Product Description
HangZhou Forever Tri-Axle Side Wall Semi Trailer for Bulk Cargo Transport 4 Axle Side Wall/Fence/Stake Truck Semi Trailer for Cargo Transport
MAIN PERFORMANCE
| Product Specification | ||||
| 1 | Type | Semitrailer | ||
| 2 | Product Name | Side Wall Cargo Semitrailer | ||
| 3 | Cargo Body | Body Dimension | 12300x2450x1000mm | |
| External Dimension | 12500x2600x2600mm | |||
| Twist Lock | 12 container locks | |||
| Baseplate | Corrugated Steel | |||
| 4 | Tare Weight | 7300kg | ||
| 5 | Payload | 62t | ||
| 6
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Running System | Axles | FUWA ,BPW brand,13t Good quality axles | |
| Suspension | Tri-axle 10-pcs leaf spring suspension with equalizer beam |
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| Tires | Linglong,brand, Double Coin, 11.00R20 , 12.00R20,12unit | |||
| 7 | Ladder | Manually operated or Hydraulic type | ||
| 8 | Braking System | Dual lines pneumatic brake system, Relay Valve; KORMEE ABS braking system |
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| 9 | Frame | Main Beam | Q345B steel,Height 500, upper 10mm, lower 12mm. Mid web 8mm |
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| 10 | King Pin | Size: 50# (2”) or 90#(3.5”); Type: welded or assembled | ||
| 11 | Landing Gear | YAHUA Brand Single side operation or double side operation, Static capacity 28Ton |
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| 12 | Electrical & Paint | Electrical | Rear light, rear reflector, turn indicative light, side reflector, fog lamp, number plate light | |
| Lights & Reflectors | 24V, 7 lines | |||
| Painting | zinc-rich primer and modified urethane topcoat as customers’ choices. | |||
| Accessorise | TOOL BOX (BOX ONLY)—PROVIDED WITH THE TRAILER TWO SPARE WHEEL HOLDER(WINCH),BUT NO SPARE TYRES |
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I.The Application and the Technical Highlights:
—The Fence Cargo truck semitrailers are mainly suitable for the MID/Long distance transportation of fruits, vegetable,rice and the agricultural cargo and so on.
—In order to reduce the trailer tare weight,we design the trailer structure according to the user’s transporting cargo.The lightest weight of our trailer can be signed to 5.6t.Our trailer can creat more profit value in the case of meeting the load.
—The chassis is ladder type,longitudinal beam section is H-shaped. It has good rigidity and high strength.
— High Quality Body and high-10sile steel for heavy loading capacity with lighter kerb weight.
— BPW, CZPT or Certificated Chinese Axles
—ABS brake system
—WABCO Vehicle Control System
—JOST ,FUWA or Chinese brand parking leg and king pin
—Air and Mechanical Suspension
—Strengthen the Chassis Instructure
The Advantage
***Frame:using the advanced assembly welded equipments to weld the space frame structure which formed by welded-type longitudinal beam (made of High strength steel T700) and the whole Run-through cross beam.Our consider the strength,stiffness and toughness of the frame and design the frame is strong enough to carry the cargo.
***Suspension: Lightweight design.High-strength material with strong carrying capacity, remarkable wear resistance property and performance stability and long service life.Wheel Track adjustable easily and accurately, which protect the tires from abnormal wear.Passed strict bench testing and road testing.
***Axle:Specially processed one-piece spindle of high quality low alloy steel, which possesses strong loading capacity, long life, light weight and remarkable performance.High machining precision of the braking system makes the braking performance more stable.
III.Advanced Process
~~~Design Drawing: Before production, we will sent the design drawing to our customer to confirm the detail of the vehicle. We hope we can supply the most suitable product to our customer.
~~~Cutting and Welding: The I beam cutting adopt the Computer Numerical Control Plasma Cutting Machine. The I beam welding adopt the Gantry Main Sill Welding Machine.
~~~The Beam Welding: Main beam and side beam all use I-shaped beam, it can ensure the trailer more durable.Reinforced rear plate can avoid the rear plate was broken away when heavy duty machines climbing the ramp of trailer.
~~~Surface Treatment: In order to remove the rust of the trailer body, we use the sand blasting to retreat the surface of the trailer.
The trailer can have the beautiful appearance,the painting will be coating evenly, firm adhension, gloss more durable
~~~Painting: One layer of the anti-rust painting, 2 layer of painting
~~~Test: We will test the quality of the trailer before delivery.
IV. The Detail of the Fence Cargo Trailer
V. The Classification
VI. Guarrantee For The Parts Of The Tanker Traielr:
| ITEM NAME | WARRANTY | ITEM NAME | WARRANTY | |||
| MAIN FRAME | FRAME | 1 YEAR | RUNNING GEAR | AXLE | 6 MONTHS | |
| SUSPENSION | 6 MONTHS | AXLE BEARING | 3 MONTHS | |||
| KING PIN | 1 YEAR | WHEEL HUB | 3 MONTHS | |||
| BALANCE ARM | 3 MONTHS | |||||
| ITEM NAME | WARRANTY | ITEM NAME | WARRANTY | |||
| BRAKING DEVICE | BRAKE DRUM | 3 MONTHS | SUPPORT DEVICE | LXIHU (WEST LAKE) DIS. GEAR | 6 MONTHS | |
| BRKE CHAMBER | 3 MONTHS | SPARE WHEEL CARRIER | 6 MONTHS | |||
| AIR RESERVOIR | 6 MONTHS | |||||
| ITEM NAME | WARRANTY | |||||
| OTHERS | LEAF SPRING | 3 MONTHS | ||||
| BRAKE CHAMBER DIAPHRAGM | 3 MONTHS | |||||
| EMERGENCY RELAY VALVE | 3 MONTHS | |||||
| BRAKE SHOE | 3 MONTHS | |||||
| RELAY VALVE | 3 MONTHS | |||||
VII. DEALING PROCESS
1. You send us an inquiries on your desired trailer through our contact information.
2. We shall reply you in 12 hours after we received our inquiry.
3. We will negotiate the detail of the trailer on your requirement.
4. Confirmed on the tech data.
5. Sign contract.
6.30% down payment or LC issuing.
7. Production
8. The Manufacturig process with updated news.
9. The Production completement.
10.Balance payment .
11.Arrange Shipment and Custom Clearance
12. A/S service for 1 year.
How to Choose the Right Worm Shaft
You might be curious to know how to choose the right Worm Shaft. In this article, you will learn about worm modules with the same pitch diameter, Double-thread worm gears, and Self-locking worm drive. Once you have chosen the proper Worm Shaft, you will find it easier to use the equipment in your home. There are many advantages to selecting the right Worm Shaft. Read on to learn more.
Concave shape
The concave shape of a worm’s shaft is an important characteristic for the design of a worm gearing. Worm gearings can be found in a wide range of shapes, and the basic profile parameters are available in professional and firm literature. These parameters are used in geometry calculations, and a selection of the right worm gearing for a particular application can be based on these requirements.
The thread profile of a worm is defined by the tangent to the axis of its main cylinder. The teeth are shaped in a straight line with a slightly concave shape along the sides. It resembles a helical gear, and the profile of the worm itself is straight. This type of gearing is often used when the number of teeth is greater than a certain limit.
The geometry of a worm gear depends on the type and manufacturer. In the earliest days, worms were made similar to simple screw threads, and could be chased on a lathe. During this time, the worm was often made with straight-sided tools to produce threads in the acme plane. Later, grinding techniques improved the thread finish and reduced distortions resulting from hardening.
When a worm gearing has multiple teeth, the pitch angle is a key parameter. A greater pitch angle increases efficiency. If you want to increase the pitch angle without increasing the number of teeth, you can replace a worm pair with a different number of thread starts. The helix angle must increase while the center distance remains constant. A higher pitch angle, however, is almost never used for power transmissions.
The minimum number of gear teeth depends on the angle of pressure at zero gearing correction. The diameter of the worm is d1, and is based on a known module value, mx or mn. Generally, larger values of m are assigned to larger modules. And a smaller number of teeth is called a low pitch angle. In case of a low pitch angle, spiral gearing is used. The pitch angle of the worm gear is smaller than 10 degrees.
Multiple-thread worms
Multi-thread worms can be divided into sets of one, two, or 4 threads. The ratio is determined by the number of threads on each set and the number of teeth on the apparatus. The most common worm thread counts are 1,2,4, and 6. To find out how many threads you have, count the start and end of each thread and divide by two. Using this method, you will get the correct thread count every time.
The tangent plane of a worm’s pitch profile changes as the worm moves lengthwise along the thread. The lead angle is greatest at the throat, and decreases on both sides. The curvature radius r” varies proportionally with the worm’s radius, or pitch angle at the considered point. Hence, the worm leads angle, r, is increased with decreased inclination and decreases with increasing inclination.
Multi-thread worms are characterized by a constant leverage between the gear surface and the worm threads. The ratio of worm-tooth surfaces to the worm’s length varies, which enables the wormgear to be adjusted in the same direction. To optimize the gear contact between the worm and gear, the tangent relationship between the 2 surfaces is optimal.
The efficiency of worm gear drives is largely dependent on the helix angle of the worm. Multiple thread worms can improve the efficiency of the worm gear drive by as much as 25 to 50% compared to single-thread worms. Worm gears are made of bronze, which reduces friction and heat on the worm’s teeth. A specialized machine can cut the worm gears for maximum efficiency.
Double-thread worm gears
In many different applications, worm gears are used to drive a worm wheel. These gears are unique in that the worm cannot be reversed by the power applied to the worm wheel. Because of their self-locking properties, they can be used to prevent reversing motion, although this is not a dependable function. Applications for worm gears include hoisting equipment, elevators, chain blocks, fishing reels, and automotive power steering. Because of their compact size, these gears are often used in applications with limited space.
Worm sets typically exhibit more wear than other types of gears, and this means that they require more limited contact patterns in new parts. Worm wheel teeth are concave, making it difficult to measure tooth thickness with pins, balls, and gear tooth calipers. To measure tooth thickness, however, you can measure backlash, a measurement of the spacing between teeth in a gear. Backlash can vary from 1 worm gear to another, so it is important to check the backlash at several points. If the backlash is different in 2 places, this indicates that the teeth may have different spacing.
Single-thread worm gears provide high speed reduction but lower efficiency. A multi-thread worm gear can provide high efficiency and high speed, but this comes with a trade-off in terms of horsepower. However, there are many other applications for worm gears. In addition to heavy-duty applications, they are often used in light-duty gearboxes for a variety of functions. When used in conjunction with double-thread worms, they allow for a substantial speed reduction in 1 step.
Stainless-steel worm gears can be used in damp environments. The worm gear is not susceptible to rust and is ideal for wet and damp environments. The worm wheel’s smooth surfaces make cleaning them easy. However, they do require lubricants. The most common lubricant for worm gears is mineral oil. This lubricant is designed to protect the worm drive.
Self-locking worm drive
A self-locking worm drive prevents the platform from moving backward when the motor stops. A dynamic self-locking worm drive is also possible but does not include a holding brake. This type of self-locking worm drive is not susceptible to vibrations, but may rattle if released. In addition, it may require an additional brake to keep the platform from moving. A positive brake may be necessary for safety.
A self-locking worm drive does not allow for the interchangeability of the driven and driving gears. This is unlike spur gear trains that allow both to interchange positions. In a self-locking worm drive, the driving gear is always engaged and the driven gear remains stationary. The drive mechanism locks automatically when the worm is operated in the wrong manner. Several sources of information on self-locking worm gears include the Machinery’s Handbook.
A self-locking worm drive is not difficult to build and has a great mechanical advantage. In fact, the output of a self-locking worm drive cannot be backdriven by the input shaft. DIYers can build a self-locking worm drive by modifying threaded rods and off-the-shelf gears. However, it is easier to make a ratchet and pawl mechanism, and is significantly less expensive. However, it is important to understand that you can only drive 1 worm at a time.
Another advantage of a self-locking worm drive is the fact that it is not possible to interchange the input and output shafts. This is a major benefit of using such a mechanism, as you can achieve high gear reduction without increasing the size of the gear box. If you’re thinking about buying a self-locking worm gear for a specific application, consider the following tips to make the right choice.
An enveloping worm gear set is best for applications requiring high accuracy and efficiency, and minimum backlash. Its teeth are shaped differently, and the worm’s threads are modified to increase surface contact. They are more expensive to manufacture than their single-start counterparts, but this type is best for applications where accuracy is crucial. The worm drive is also a great option for heavy trucks because of their large size and high-torque capacity.
