Connecting device for loading mechanism and chassis of hooklift

Abstract

The utility model provides a connecting device for an upper loading mechanism and a chassis of a hooklift, which comprises a crossbeam of the upper loading mechanism of the hooklift and a crossbeam of the chassis, and a connecting mechanism is arranged between the crossbeam of the upper loading mechanism of the hooklift and the crossbeam of the chassis. The height of the adjusting seat on the first connecting seat can be adjusted through the adjusting mechanism, so that the pull arm loading mechanism crossbeam and the chassis crossbeam with different heights can be adapted, and the vertical distance between the second connecting seat and the adjusting seat can be adjusted through the arrangement of the adapting unit; the second connecting base can be attached to the side face of the draw arm loading mechanism girder all the time, so that the draw arm loading mechanism girder and the chassis girder which are different in width are adapted, and connection can be reinforced through the stable supporting mechanism after connection is completed. And the connecting strength between the pull arm loading mechanism girder and the chassis girder can be improved while the effect of adapting to the pull arm loading mechanism girder and the chassis girder of different specifications can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of hook-arm garbage trucks, in particular to a connecting device for a hook-arm truck upper mounting mechanism and a chassis. Background Art

[0002] A hook truck, or a hook-arm garbage truck, is a commonly used truck with a removable compartment. It has two functions: self-unloading of goods and automatic loading and unloading of the compartment. These two functions are completed by a vehicle-mounted working device, which has high working efficiency. The operation and conversion of these two functions are realized by the hydraulic system. The garbage compartment of the hook truck can be automatically lifted up and lowered, and the garbage can be dumped by itself;

[0003] Announcement No. "CN208439793U" provides a connection device for the upper mechanism of the arm truck and the chassis, including an upper subframe beam, a chassis beam, a connecting plate assembly, an upper connecting plate and a lower bending plate. The upper subframe beam of the arm truck is fixed to the chassis beam through the connecting plate assembly, and the connecting plate assembly includes an upper connecting plate and a lower connecting plate; a plurality of bolt holes are arranged in the upper connecting plate and the lower bending plate; the upper connecting plate is fixed to the upper subframe beam of the arm truck through the bolt holes and bolts. This solution is simple to process, easy to install, and safe and reliable to use;

[0004] However, the above scheme and the prior art still have the following defects:

[0005] The above scheme connects the subframe beam mounted on the arm and the chassis beam together through a connecting plate assembly processed to specifications, which requires the size of the connecting plate assembly to be set in advance. However, in actual use, the specifications of the chassis beam and the frame beam may not be able to be connected together through the connecting plate assembly, resulting in a small scope of application. Utility Model Content

[0006] The utility model aims to provide a connecting device for a top loading mechanism of a hooklift truck and a chassis, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A connecting device for a lifting arm upper mounting mechanism and a chassis, comprising a lifting arm upper mounting mechanism beam and a chassis beam, a connecting mechanism is arranged between the lifting arm upper mounting mechanism beam and the chassis beam, the connecting mechanism comprises a first connecting seat, two second connecting seats and an adjusting seat, the adjusting seat is movably arranged on the first connecting seat through the adjusting mechanism, and the two second connecting seats are movably arranged on the adjusting seat through two adapting units respectively, through holes are arranged on the surfaces of the first connecting seat and the second connecting seat, the first connecting seat and the second connecting seat are respectively fixedly mounted on the side walls of the lifting arm upper mounting mechanism beam and the chassis beam through the through holes and high-strength bolts, and a stabilizing support mechanism is also arranged on the adjusting seat.

[0009] Preferably, the adaptation unit includes a rotating seat, a support arm, a rotating shaft, a torsion spring and a baffle, the rotating seat is respectively fixed to the surfaces of the second connecting seat and the adjustment seat, the rotating shaft is fixed to the surface of the support arm, both ends of the support arm are rotated on the rotating seat through the rotating shaft, the baffle is concentrically arranged at one end of the rotating shaft, and the torsion spring is fixed between the baffle and the rotating seat and is sleeved on the surface of the rotating shaft.

[0010] Preferably, the adjustment mechanism includes a first threaded rod, a traction block and a groove, the groove is arranged on the surface of the first connecting seat, the traction block is fixed to the bottom of the adjustment seat and movably arranged in the groove, one end of the first threaded rod is rotated on the bottom of the traction block, and the first threaded rod is threadedly connected to the first connecting seat.

[0011] Preferably, the stabilizing support mechanism comprises a second threaded rod threadedly connected to the surface of the adjusting seat, and a top block rotatably arranged at one end of the second threaded rod, one side of the top block is movably connected to the adjusting seat through a guide member, and the other side of the top block is attached to the surface of the arm mounting mechanism beam.

[0012] Preferably, the guide member includes a limiting hole formed on the adjustment seat, and a guide rod fixedly disposed on the top block, and the guide rod is slidably disposed in the limiting hole.

[0013] Preferably, a guide groove is provided on the side of the traction block, and a guide protrusion is provided on the inner wall of the groove, and the guide protrusion is slidably arranged in the guide groove.

[0014] Preferably, a limiting plate is coaxially arranged at one end of the guide rod, and the minimum outer diameter of the limiting plate is greater than the maximum inner diameter of the limiting hole.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model can adjust the height of the adjusting seat on the first connecting seat through the adjusting mechanism, so as to adapt to the arm upper mechanism beam and the chassis beam of different heights, and can adjust the vertical distance between the second connecting seat and the adjusting seat through the setting of the adapting unit, so that the second connecting seat can always fit the side of the arm upper mechanism beam, so as to adapt to the arm upper mechanism beam and the chassis beam of different widths, and after the connection is completed, the connection can be reinforced by the stabilizing support mechanism, which can adapt to the arm upper mechanism beam and the chassis beam of different specifications and increase the connection strength between the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the connection structure between the arm mounting mechanism beam and the chassis beam of the utility model;

[0018] Figure 2 It is a schematic diagram of the main structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the connection between the rotating seat and the support arm of the utility model;

[0020] Figure 4 This is a schematic diagram of the connection structure between the traction block and the first connection seat of the utility model;

[0021] Figure 5 It is a schematic diagram of the top structure of the utility model.

[0022] In the figure: 1. arm mounting mechanism beam; 2. chassis beam; 3. first connecting seat; 4. second connecting seat; 5. adjusting seat; 6. through hole; 7. rotating seat; 8. supporting arm; 9. rotating shaft; 10. torsion spring; 11. baffle; 12. first threaded rod; 13. traction block; 14. groove; 15. second threaded rod; 16. top block; 17. limiting hole; 18. guide rod; 19. guide groove; 20. guide protrusion; 21. limiting plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 , the utility model provides a technical solution: Example

[0025] A connecting device for a lifting arm upper mechanism and a chassis, comprising a lifting arm upper mechanism beam 1 and a chassis beam 2, a connecting mechanism is arranged between the lifting arm upper mechanism beam 1 and the chassis beam 2, the connecting mechanism comprises a first connecting seat 3, two second connecting seats 4 and an adjusting seat 5, the adjusting seat 5 is movably arranged on the first connecting seat 3 through the adjusting mechanism, the two second connecting seats 4 are movably arranged on the adjusting seat 5 through two adapting units respectively, the surfaces of the first connecting seat 3 and the second connecting seat 4 are both provided with through holes 6, the first connecting seat 3 and the second connecting seat 4 are respectively fixedly mounted on the side walls of the chassis beam 2 and the lifting arm upper mechanism beam 1 through the through holes 6 and high-strength bolts.

[0026] See also Figure 1 and 2 In actual use, it is necessary to judge according to the specific specifications of the arm mounting mechanism beam 1 and the chassis beam 2. If the width of the arm mounting mechanism beam 1 is greater than the chassis beam 2, then the first connecting seat 3 needs to be installed on the arm mounting mechanism beam 1; if the width of the arm mounting mechanism beam 1 is less than the width of the chassis beam 2, then the first connecting seat 3 needs to be installed on the chassis beam 2.

[0027] The adaptation unit includes a rotating seat 7, a support arm 8, a rotating shaft 9, a torsion spring 10 and a baffle 11. The rotating seat 7 is respectively fixed to the surfaces of the second connecting seat 4 and the adjustment seat 5. The rotating shaft 9 is fixed to the surface of the support arm 8. Both ends of the support arm 8 are rotated on the rotating seat 7 through the rotating shaft 9. The baffle 11 is concentrically arranged at one end of the rotating shaft 9. The torsion spring 10 is fixed between the baffle 11 and the rotating seat 7 and is sleeved on the surface of the rotating shaft 9.

[0028] See also Figure 2 and 3 , one side of the second connecting seat 4 is fitted to the surface of the upper mechanism beam 1 of the pulling arm. After the second connecting seat 4 is squeezed, it can drive the support arm 8 to rotate through the rotating seat 7. When the support arm 8 rotates, it can drive the torsion spring 10 to deform and store energy through the cooperation of the rotating shaft 9 and the baffle 11. During this process, the second connecting seat 4 is always in close contact with the surface of the upper mechanism beam 1 of the pulling arm. After the height adjustment of the adjustment seat 5 is completed, the high-strength bolt is passed through the through hole 6 and connected to the upper mechanism beam 1 of the pulling arm. At this time, the torsion spring 10 has a tendency to reset, so that the elastic force of the torsion spring 10 can act on the second connecting seat 4, thereby increasing the friction between the second connecting seat 4 and the high-strength bolt.

[0029] The adjustment mechanism includes a first threaded rod 12, a traction block 13 and a groove 14. The groove 14 is arranged on the surface of the first connecting seat 3. The traction block 13 is fixed to the bottom of the adjustment seat 5 and movably arranged in the groove 14. One end of the first threaded rod 12 rotates on the bottom of the traction block 13. The first threaded rod 12 is threadedly connected to the first connecting seat 3. A guide groove 19 is arranged on the side of the traction block 13. A guide protrusion 20 is arranged on the inner wall of the groove 14. The guide protrusion 20 is slidably arranged in the guide groove 19.

[0030] See also Figure 4 After the first threaded rod 12 is rotated, the first threaded rod 12 can drive the traction block 13 to move vertically inside the groove 14. When the traction block 13 moves, it can drive the guide groove 19 to move synchronously on the surface of the guide protrusion 20. The cooperation between the guide groove 19 and the guide protrusion 20 can achieve horizontal limitation of the traction block 13, thereby ensuring that the traction block 13 can always move in the vertical direction. Example

[0031] In the above embodiment, the connection between the arm mounting mechanism beam 1 and the chassis beam 2 of different specifications can be achieved through the setting of the connecting mechanism. However, since the first connecting seat 3 and the second connecting seat 4 are both installed on the chassis beam 2 and the arm mounting mechanism beam 1 by high-strength bolts, there is a risk of the high-strength bolts falling off after being subjected to long-term vibration. Therefore, in this embodiment, a stable support mechanism is set on the adjustment seat 5, and the stable support mechanism includes a second threaded rod 15 threadedly connected to the surface of the adjustment seat 5, and a top block 16 rotatably set at one end of the second threaded rod 15, one side of the top block 16 is movably connected to the adjustment seat 5 through a guide member, and the other side of the top block 16 is attached to the surface of the arm mounting mechanism beam 1, the guide member includes a limiting hole 17 opened on the adjustment seat 5, and a guide rod 18 fixedly set on the top block 16, the guide rod 18 is slidably set in the limiting hole 17, and a limiting plate 21 is concentrically set at one end of the guide rod 18, and the minimum outer diameter of the limiting plate 21 is larger than the maximum inner diameter of the limiting hole 17.

[0032] See also Figure 2 and 5After rotating the second threaded rod 15, the second threaded rod 15 can drive the top block 16 to rotate synchronously. However, since the top block 16 is connected to the guide rod 18, the second threaded rod 15 will drive the top block 16 to move horizontally until one side of the top block 16 touches the side of the arm mounting mechanism beam 1. At this time, pressure will be generated between the top block 16 and the arm mounting mechanism beam 1. This part of the pressure will be transmitted to the second connecting seat 4 and the first connecting seat 3, causing the friction between the high-strength bolts on the second connecting seat 4 and the first connecting seat 3 and the chassis beam 2 and the arm mounting mechanism beam 1 to increase, so that it is not easy to fall off, and it can also cooperate with the guide groove 19 and the guide protrusion 20 in Example 1 to realize the joint extrusion of the adjustment seat 5 and the first connecting seat 3.

[0033] It should be noted that when the top block 16 moves, it can drive the guide rod 18 to move synchronously in the limiting hole 17. The cooperation between the guide rod 18 and the limiting hole 17 is only to convert the rotation of the top block 16 into a linear movement of the top block 16, and the setting of the limiting plate 21 is to prevent the second threaded rod 15 from detaching from the adjustment seat 5 during the processing and production process.

[0034] Working principle: first rotate the first threaded rod 12, the first threaded rod 12 can drive the traction block 13 to move straight up inside the groove 14, and then the traction block 13 can drive the adjustment seat 5 and the two second connecting seats 4 to move up synchronously. At this time, one side of the second connecting seat 4 will be in contact with the surface of the upper mechanism beam 1 of the pulling arm. After being squeezed, the second connecting seat 4 can drive the support arm 8 to rotate through the rotating seat 7. When the support arm 8 rotates, it can drive the torsion spring 10 to deform and store energy through the cooperation of the rotating shaft 9 and the baffle 11. In this process, the second connecting seat 4 is always in close contact with the surface of the upper mechanism beam 1 of the pulling arm, and then the second connecting seat 4 is fixed to the surface of the upper mechanism beam 1 of the pulling arm through the through hole 6 with a high-strength bolt, and the first connecting seat 3 is fixed to the surface of the base beam. Finally, rotate the second threaded rod 15. The second threaded rod 15 will drive the top block 16 to move horizontally at this time until one side of the top block 16 contacts the side of the upper mechanism beam 1 of the pulling arm.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A connecting device for a top loading mechanism of a hook truck and a chassis, comprising a hook loading mechanism beam (1) and a chassis beam (2), characterized in that: A connecting mechanism is provided between the arm-mounted mechanism beam (1) and the chassis beam (2), the connecting mechanism comprising a first connecting seat (3), two second connecting seats (4) and an adjusting seat (5); the adjusting seat (5) is movably arranged on the first connecting seat (3) through the adjusting mechanism; the two second connecting seats (4) are movably arranged on the adjusting seat (5) through two adapting units respectively; through holes (6) are provided on the surfaces of the first connecting seat (3) and the second connecting seat (4); the first connecting seat (3) and the second connecting seat (4) are respectively fixedly mounted on the side walls of the arm-mounted mechanism beam (1) and the chassis beam (2) through the through holes (6) and high-strength bolts; and a stabilizing support mechanism is also provided on the adjusting seat (5).

2. The connecting device for the upper mounting mechanism and chassis of a hooklift according to claim 1, characterized in that: The adapting unit comprises a rotating seat (7), a supporting arm (8), a rotating shaft (9), a torsion spring (10) and a baffle (11); the rotating seat (7) is respectively fixed to the surfaces of the second connecting seat (4) and the adjusting seat (5); the rotating shaft (9) is fixed to the surface of the supporting arm (8); both ends of the supporting arm (8) are rotated on the rotating seat (7) through the rotating shaft (9); the baffle (11) is concentrically arranged at one end of the rotating shaft (9); and the torsion spring (10) is fixed between the baffle (11) and the rotating seat (7) and sleeved on the surface of the rotating shaft (9).

3. The connecting device for the upper mounting mechanism of a hooklift truck and a chassis according to claim 2, characterized in that: The adjustment mechanism comprises a first threaded rod (12), a traction block (13) and a groove (14); the groove (14) is arranged on the surface of the first connecting seat (3); the traction block (13) is fixed to the bottom of the adjustment seat (5) and movably arranged in the groove (14); one end of the first threaded rod (12) is rotated on the bottom of the traction block (13); and the first threaded rod (12) is threadedly connected to the first connecting seat (3).

4. The connecting device for the upper mounting mechanism of a hooklift truck and a chassis according to claim 3, characterized in that: The stabilizing support mechanism comprises a second threaded rod (15) threadedly connected to the surface of the adjusting seat (5), and a top block (16) rotatably arranged at one end of the second threaded rod (15), one side of the top block (16) being movably connected to the adjusting seat (5) via a guide member, and the other side of the top block (16) being in contact with the surface of the pull arm upper mounting mechanism beam (1).

5. The connecting device for the upper mounting mechanism and chassis of a hooklift according to claim 4, characterized in that: The guide member comprises a limiting hole (17) formed on the adjustment seat (5), and a guide rod (18) fixedly arranged on the top block (16), wherein the guide rod (18) is slidably arranged in the limiting hole (17).

6. The connecting device for the upper mounting mechanism and chassis of a hooklift according to claim 3, characterized in that: A guide groove (19) is provided on the side of the traction block (13), and a guide protrusion (20) is provided on the inner wall of the groove (14), wherein the guide protrusion (20) is slidably disposed in the guide groove (19).

7. The connecting device for the upper mounting mechanism of a hooklift truck and a chassis according to claim 5, characterized in that: A limiting plate (21) is coaxially arranged at one end of the guide rod (18), and the minimum outer diameter of the limiting plate (21) is greater than the maximum inner diameter of the limiting hole (17).

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