Conveying system of chain and push plate structure of semitrailer

Abstract

The utility model discloses a conveying system of a chain and push plate structure of a semitrailer. The conveying system comprises a driving motor, a push plate and two chains. The two chains are installed in boundary beams on the two sides of a semitrailer box body respectively, a plurality of chain cross beams are fixedly installed between the two chains, and a conveying belt is laid and fixed above the chain cross beams so that the conveying belt can synchronously move along with the chains and the chain cross beams. Each chain is provided with a driving chain wheel and a driven chain wheel which correspond to each other, and the driving motor is used for driving the chains to move through the driving chain wheels; and moreover, mounting areas reserved on the two chains are fixedly mounted on the two sides of the bottom end of the push plate, so that the push plate can synchronously move along with the chains.

Description

Technical Field

[0001] The utility model relates to the technical field of semi-trailers, in particular to a transmission system of a chain and push plate structure of a semi-trailer. Background Art

[0002] Semi-trailers are heavy-duty transport vehicles connected to the front of the vehicle by a traction pin, mainly used to transport large goods. In today's rapidly developing society, transportation efficiency has become the first choice for people, and semi-trailers are widely used due to their convenience in hanging and dropping.

[0003] The current semi-trailer for cargo transportation is difficult to unload when unloading goods. Workers need to move the goods from the higher body to the lower ground. The work intensity is high and the workers are easily fatigued. There is also a method in the prior art to lift the carriage by hydraulic rods to tilt the carriage, and then the goods in the carriage fall out of the tilted carriage. This method has certain safety hazards because it tilts the carriage. In addition, there is also a solution in the prior art to realize automatic unloading using a chain conveyor belt, but there may be a problem of a high self-unloading residual rate, and the conveyor belt and chain are prone to failure. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the technical solution adopted by the utility model is: a transmission system of a chain and push plate structure of a semi-trailer, including a driving motor, a push plate and two chains;

[0005] Two chains are installed inside the side beams on both sides of the semi-trailer box, and multiple chain beams are fixedly installed between the two chains. A conveyor belt is laid and fixed above the chain beams, so that the conveyor belt moves synchronously with the chains and the chain beams.

[0006] Each chain is equipped with a corresponding driving sprocket and a driven sprocket, and the driving motor is used to drive the chain to move through the driving sprocket;

[0007] In addition, the two sides of the bottom end of the push plate are fixedly mounted with mounting areas reserved on two chains, so that the push plate can move synchronously with the chains.

[0008] In some embodiments, the two ends of each chain are connected by an adjusting screw rod to form a closed loop structure, and the adjusting screw rod includes a fixing part and an adjusting part;

[0009] The fixing part of the adjusting screw rod is fixedly mounted with a push plate fixing plate as a push plate mounting part, and both sides of the bottom end of the push plate are respectively fixedly mounted on two push plate fixing plates;

[0010] The adjusting portion of the adjusting screw rod is used to adjust its own length, thereby adjusting the tightness of the chain.

[0011] In some embodiments, a limiting roller is also installed on the fixed part of the adjusting screw rod, and a wheel groove corresponding to the limiting roller is also configured at the side beam inside the box body of the semi-trailer to limit the limiting roller to roll only in the wheel groove.

[0012] In some embodiments, the driving motor and the driving sprocket are installed at the rear end in the unloading direction, and the driven sprocket is installed at the front end in the unloading direction.

[0013] In some embodiments, there are two driving motors, which are respectively used to control the operation of two driving sprockets corresponding to the two chains.

[0014] In some embodiments, each of the drive motors and drive sprockets is further configured with a drive shaft;

[0015] The output end of the driving motor directly drives the driving shaft to rotate, and the driving chain is sleeved on the driving shaft and rotates synchronously with the driving shaft.

[0016] In some embodiments, the two driven sprockets are configured with a common driven shaft, and the two driven sprockets are both sleeved on the driven shaft and rotate synchronously with the driven shaft.

[0017] In some embodiments, four bearing seats are also included, each bearing seat is installed on the side beam inside the semi-trailer box;

[0018] The ends of the two driving shafts are respectively located in two bearing seats, and the two ends of the driven shaft are respectively located in the other two bearing seats.

[0019] In some embodiments, a plurality of auxiliary brackets are further disposed in the middle portion of the driven shaft.

[0020] In some embodiments, the number of the inverted trapezoidal frame structures is four.

[0021] Compared with the prior art, the beneficial effects of the utility model are as follows: the conveying system of the chain and push plate structure of the semi-trailer provided by the utility model adopts a conveyor belt in combination with a push plate to complete unloading, and has high unloading efficiency and low residual rate, which effectively reduces the labor burden; and the chain is equipped with an adjusting screw rod, and the push plate is installed on the adjusting screw rod, and the tightness of the chain can be adjusted at the same time. It has a reasonable structure and is easy to install, and is also beneficial to improving the conveying effect and service life of the conveying system. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A side view of a transmission system of a chain and push plate structure of a semitrailer provided by the utility model;

[0023] Figure 2 is a schematic diagram of a push plate;

[0024] Figure 3It is a schematic diagram of the conveying system after removing the push plate;

[0025] Figure 4 for Figure 3 A top view of

[0026] Figure 5 It is a partial structural diagram of the chain;

[0027] Figure 6 is a schematic diagram of a drive shaft and related structures;

[0028] Figure 7 Schematic diagram of the driven shaft and related results.

[0029] Description of Figure Numbers:

[0030] 1. Driving motor; 2. Push plate; 3. Chain; 4. Conveyor belt; 5. Driving sprocket; 6. Driven sprocket; 7. Push plate fixing plate; 8. Limiting roller; 9. Driving shaft; 10. Driven shaft; 11. Bearing seat; 12. Side beam; 13. Auxiliary bracket; 14. Chain beam; 15. Adjusting screw. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the following further describes how the present invention is implemented in conjunction with the accompanying drawings and specific implementation methods.

[0032] Reference Figure 1-Figure 4 As shown, the utility model provides a conveying system of a chain and push plate structure of a semi-trailer, comprising a driving motor 1, a push plate 2 and two chains 3; the two chains 3 are respectively installed inside the side beams 12 on both sides of the semi-trailer body, and a plurality of chain beams 14 are fixedly installed between the two chains 3, and a conveyor belt 4 is laid and fixed above the chain beams 14, so that the conveyor belt 4 moves synchronously with the chain 3 and the chain beams 14; each chain 3 is equipped with a corresponding driving sprocket 5 and a driven sprocket 6, and the driving motor 1 is used to drive the chain 3 to move through the driving sprocket 5; and, the installation areas reserved on the two chains 3 are fixedly installed on both sides of the bottom end of the push plate 2, so that the push plate 2 can move synchronously with the chain 3.

[0033] It is understandable that the fixed connection between the structures can be achieved by bolting or other existing methods; the drive motor 1 can be an existing hydraulic motor. The drive motor 1 drives the chain 3 to run and unload the material by driving the sprocket 5, and combined with the push plate 2 to push the material, it can achieve full

[0034] Preferably, the two ends of each chain 3 are connected by an adjusting screw rod 15 to form a closed-loop structure, and the adjusting screw rod 15 includes a fixing part and an adjusting part; the fixing part of the adjusting screw rod 15 is fixedly installed with a push plate fixing plate 7 as a push plate mounting part, and the two sides of the bottom end of the push plate 2 are respectively fixedly installed on the two push plate fixing plates 7; the adjusting part of the adjusting screw rod 15 is used to adjust its own length, thereby adjusting the tightness of the chain 3.

[0035] In addition, combined Figure 2 It can be seen that the push plate 2 may include a push plate body and a base frame supporting the push plate body. The base frame may be pre-processed with fixing holes, and the base frame is fixedly mounted on the push plate fixing plate 7 by bolts.

[0036] Further references Figure 5 As shown, preferably, a limiting roller 8 is also installed on the fixed part of the adjusting screw rod 15, and a wheel groove corresponding to the limiting roller 8 is also arranged at the side beam 12 inside the box body of the semi-trailer to limit the limiting roller 8 to roll only in the wheel groove; the limiting roller 8 is helpful to reduce the shaking of the push plate 2 during movement.

[0037] Further, Figure 1 In the figure, the arrow indicates the unloading direction, the driving motor 1 and the driving sprocket 5 are installed at the rear end of the unloading direction, and the driven sprocket 6 is installed at the front end of the unloading direction.

[0038] Preferably, there are two driving motors 1 , which are respectively used to control the operation of two driving sprockets 5 corresponding to the two chains 3 .

[0039] Further references Figure 6 As shown, each driving motor 1 and driving sprocket 5 is also equipped with a driving shaft 9; the output end of the driving motor 1 directly drives the driving shaft 9 to rotate, and the driving chain 3 is sleeved on the driving shaft 9 and rotates synchronously with the driving shaft 9.

[0040] Further references Figure 7 As shown, the two driven sprockets 6 are equipped with a common driven shaft 10 , and the two driven sprockets 6 are both sleeved on the driven shaft 10 and rotate synchronously with the driven shaft 10 .

[0041] Preferably, four bearing seats 11 are also included, each bearing seat 11 is installed on the side beam 12 inside the semi-trailer box; the ends of the two driving shafts 9 are respectively located in the two bearing seats 11, and the two ends of the driven shaft 10 are respectively located in the other two bearing seats 11.

[0042] The bearing seat 11 is arranged to cooperate with the driving shaft 9 and the driven shaft 10, which is helpful to ensure the stability of the transmission system during operation.

[0043] Preferably, a plurality of auxiliary brackets 13 are further disposed in the middle of the driven shaft 10 , which is beneficial to reducing the deformation of the driven shaft 10 .

[0044] In summary, the conveying system of the chain and push plate structure of the semi-trailer provided by the utility model adopts a conveyor belt in conjunction with a push plate to complete unloading, and has high unloading efficiency and low residual rate, which effectively reduces the labor burden; and the chain is equipped with an adjusting screw rod, and the push plate is installed on the adjusting screw rod, and the tightness of the chain can be adjusted at the same time. It has a reasonable structure and is easy to install, and is also beneficial to improving the conveying effect and service life of the conveying system.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A conveying system of a chain and push plate structure for a semitrailer, characterized in that: It comprises a driving motor (1), a push plate (2) and two chains (3); Two chains (3) are respectively installed inside the side beams (12) on both sides of the semi-trailer box body, a plurality of chain cross beams (14) are fixedly installed between the two chains (3), and a conveyor belt (4) is laid and fixed above the chain cross beams (14), so that the conveyor belt (4) moves synchronously with the chains (3) and the chain cross beams (14); Each chain (3) is equipped with a corresponding driving sprocket (5) and a driven sprocket (6), and the driving motor (1) is used to drive the chain (3) to move via the driving sprocket (5); Furthermore, two mounting areas reserved on two chains (3) are fixedly mounted on both sides of the bottom end of the push plate (2), so that the push plate (2) can move synchronously with the chains (3).

2. The conveying system of the chain and push plate structure of the semitrailer according to claim 1 is characterized in that: The two ends of each chain (3) are connected via an adjusting screw rod (15) to form a closed loop structure, wherein the adjusting screw rod (15) comprises a fixing portion and an adjusting portion; The fixing portion of the adjusting screw rod (15) is fixedly mounted with a push plate fixing plate (7) as a push plate mounting portion, and both sides of the bottom end of the push plate (2) are respectively fixedly mounted on two push plate fixing plates (7); The adjusting portion of the adjusting screw rod (15) is used to adjust its own length, thereby adjusting the tightness of the chain (3).

3. The conveying system of the chain and push plate structure of the semitrailer according to claim 2 is characterized in that: A limiting roller (8) is also installed on the fixed part of the adjusting screw rod (15), and a wheel groove corresponding to the limiting roller (8) is also arranged at the side beam (12) inside the box body of the semi-trailer to limit the limiting roller (8) to roll only in the wheel groove.

4. The conveying system of the chain and push plate structure of the semitrailer according to claim 1, characterized in that: The driving motor (1) and the driving sprocket (5) are installed at the rear end in the unloading direction, and the driven sprocket (6) is installed at the front end in the unloading direction.

5. The conveying system of the chain and push plate structure of the semitrailer according to claim 1, characterized in that: The number of the driving motors (1) is two, which are respectively used to control the operation of two driving sprockets (5) corresponding to the two chains (3).

6. The conveying system of the chain and push plate structure of the semitrailer according to claim 5, characterized in that: Each of the driving motors (1) and the driving sprocket (5) is also provided with a driving shaft (9); The output end of the driving motor (1) directly drives the driving shaft (9) to rotate, and the chain (3) is sleeved on the driving shaft (9) and rotates synchronously with the driving shaft (9).

7. The conveying system of the chain and push plate structure of the semitrailer according to claim 6, characterized in that: The two driven sprockets (6) are equipped with a common driven shaft (10), and the two driven sprockets (6) are both sleeved on the driven shaft (10) and rotate synchronously with the driven shaft (10).

8. The conveying system of the chain and push plate structure of the semitrailer according to claim 7, characterized in that: It also includes four bearing seats (11), each bearing seat (11) is installed on the side beam (12) inside the semi-trailer box; The ends of the two driving shafts (9) are respectively located in two bearing seats (11), and the two ends of the driven shaft (10) are respectively located in the other two bearing seats (11).

9. The conveying system of the chain and push plate structure of the semitrailer according to claim 7, characterized in that: A plurality of auxiliary brackets (13) are also arranged in the middle of the driven shaft (10).

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