Follow-up carriage automatic locking mechanism

Abstract

The utility model discloses a follow-up automatic carriage locking mechanism, which belongs to the technical field of garbage transfer and is characterized in that a rear roller through shaft is rotatably arranged on a vehicle chassis, a left rear roller and a right rear roller are rotatably connected with a carriage chassis to limit the lower end of a carriage, and the left rear roller and the right rear roller synchronously rotate with the rear roller through shaft; the left locking assembly and the right locking assembly are driven by the driving mechanism to slide on the rear roller through shaft, and when the left locking assembly and the right locking assembly move in opposite directions, the left locking assembly and the right locking assembly are in an unlocking state; when the left locking assembly and the right locking assembly move in the opposite directions, the left locking assembly and the right locking assembly are attached to the side faces of a girder of a chassis of the box body respectively, the box body is limited left and right and clamped, and the box body is in a locking state.

Description

Technical Field

[0001] The utility model belongs to the technical field of garbage transfer, and in particular relates to an automatic locking mechanism for a movable vehicle box. Background Art

[0002] Garbage trucks with unloadable compartments (commonly known as hook trucks) are equipped with compartment locking mechanisms at the rear. The compartment locking mechanisms currently on the market are mainly automatic locking and manual locking. The automatic locking mechanism is easy to operate and has high working efficiency, but it cannot move with the compartment when unloading. The manual locking mechanism can move with the compartment when unloading, but the operation is complicated and the working efficiency is low. In order to solve the shortcomings of the above two structures, a movable compartment automatic locking mechanism is designed, so that the locking mechanism can be both automatically operated and movable. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a movable automatic locking mechanism for a vehicle box, a rear roller shaft is rotatably arranged on the vehicle chassis, and the left rear roller and the right rear roller are rotatably connected with the chassis of the box body, so as to limit the lower end of the box body (the left rear roller and the right rear roller rotate synchronously with the rear roller shaft); the left locking assembly and the right locking assembly drive the left locking assembly and the right locking assembly to slide on the rear roller shaft through a driving mechanism, and are in an unlocked state when the left locking assembly and the right locking assembly move in opposite directions; when the left locking assembly and the right locking assembly move in opposite directions, the left locking assembly and the right locking assembly respectively approach the side of the chassis beam of the box body, limit the left and right positions of the box body and clamp it, so that it is in a locked state.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A movable automatic locking mechanism for a vehicle box comprises a vehicle chassis, a rear roller shaft is rotatably arranged on the vehicle chassis, a left locking assembly, a left rear roller, a vehicle tipping frame, a right rear roller and a right locking assembly are arranged on the rear roller shaft in sequence from left to right, the left rear roller and the right rear roller are rotatably connected to the box chassis, the left locking assembly and the right locking assembly are driven by a driving mechanism to slide on the rear roller shaft, so that the left locking assembly and the right locking assembly limit the box to the left and right and clamp or unlock the box.

[0006] Preferably, the driving mechanism includes a left connecting rod, a locking hydraulic cylinder and a right connecting rod, the left side of the left connecting rod is connected to the left locking assembly, the right side of the left connecting rod is connected to the piston rod end of the locking hydraulic cylinder, the cylinder end of the locking hydraulic cylinder is connected to the left side of the right connecting rod, and the right side of the right connecting rod is connected to the right locking assembly.

[0007] Preferably, the left connecting rod and the right connecting rod are both provided with inner limit blocks matching the left locking assembly or the right locking assembly.

[0008] Preferably, a left outer limit block is provided on the left side of the rear roller shaft and the left side of the left connecting rod.

[0009] Preferably, the left outer limit block comprises a left limit body, and the left limit body is provided with a first through hole matching with the left connecting rod and a second through hole matching with the rear roller shaft.

[0010] Preferably, a right outer limit block is provided on the right side of the rear roller shaft and the right side of the right connecting rod.

[0011] Preferably, the right outer limit block comprises a right limit body, and the right limit body is provided with a third through hole matching the right connecting rod and a fourth through hole matching the rear roller shaft.

[0012] Preferably, the left locking assembly includes a left locking slide, and a first left locking plate and a second left locking plate are arranged on the left locking slide, the first left locking plate is provided with a left locking through hole matching the left connecting rod, and at least one locking block is arranged on the second left locking plate.

[0013] Preferably, the right locking assembly includes a right locking slide, and a first right locking plate and a second right locking plate are provided on the right locking slide, the first right locking plate is provided with a right locking through hole matching the right connecting rod, and at least one locking block is provided on the second right locking plate.

[0014] Preferably, threaded holes are provided on the second right locking plate and the second left locking plate, and the locking block is connected to the threaded holes via a pin.

[0015] The beneficial effects of this technical solution are as follows:

[0016] 1. The utility model provides a movable automatic locking mechanism for a vehicle box, wherein a rear roller shaft is rotatably arranged on a vehicle chassis, and a left rear roller and a right rear roller are rotatably connected with a chassis of a box body, so as to limit the lower end of the box body (the left rear roller and the right rear roller rotate synchronously with the rear roller shaft); the left locking assembly and the right locking assembly drive the left locking assembly and the right locking assembly to slide on the rear roller shaft through a driving mechanism, and are in an unlocked state when the left locking assembly and the right locking assembly move in opposite directions; when the left locking assembly and the right locking assembly move in opposite directions, the left locking assembly and the right locking assembly respectively approach the side of the chassis beam of the box body, limit the left and right positions of the box body and clamp it, so as to be in a locked state.

[0017] 2. The utility model provides a movable automatic locking mechanism for a vehicle body. When the locking hydraulic cylinder is retracted, the left locking assembly and the right locking assembly move in opposite directions; when the locking hydraulic cylinder is extended, the left locking assembly and the right locking assembly move in opposite directions.

[0018] 3. The utility model provides a movable automatic locking mechanism for a vehicle box, wherein the inner limit block, the left outer limit block and the right outer limit block limit the moving distance of the left locking assembly and the right locking assembly, which is beneficial for limiting or unlocking the box to the left and right.

[0019] Fourth, the utility model provides a movable automatic locking mechanism for a carriage, in which a pin is connected to a threaded hole, so as to facilitate adjustment of the left and right extension lengths of the locking block. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0021] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0022] Figure 3 The structure of the utility model is shown in FIG. Figure 3 ;

[0023] Figure 4 It is a structural schematic diagram of the right outer limit block in the utility model;

[0024] Figure 5 It is a structural schematic diagram of the left outer limit block in the utility model;

[0025] Figure 6 It is a structural schematic diagram of the right locking assembly in the utility model;

[0026] Figure 7 It is a structural schematic diagram of the left locking assembly in the utility model;

[0027] Figure 8 This is a schematic diagram of the structure of the utility model when it is in an unlocked state. Figure 1 ;

[0028] Fig. 9 This is a schematic diagram of the structure of the utility model when it is in an unlocked state. Figure 2 ;

[0029] Fig.10 It is a structural schematic diagram of the utility model when it is switched from an unlocked state to a locked state;

[0030] Fig.11 It is a structural schematic diagram of the utility model in a state before unloading;

[0031] Fig.12 It is a schematic diagram of the structure of the utility model when it is in a state after unloading;

[0032] Fig.13 This is a schematic diagram of the structure when the locked state is switched to the unlocked state when the box needs to be placed;

[0033] Among them: 1. left connecting rod; 2. vehicle tipping frame; 3. locking hydraulic cylinder; 4. right connecting rod; 5. right locking assembly; 51. right locking slide; 52. first right locking plate; 53. second right locking plate; 54. right locking through hole; 55. locking block; 6. right outer limit block; 61. right limit body; 62. third through hole; 63. fourth through hole; 7. right rear roller; 8. rear roller shaft; 9. vehicle chassis; 10. left rear roller; 11. left locking assembly; 111. left locking slide; 112. first left locking plate; 113. second left locking plate; 114. left locking through hole; 115. threaded hole; 12. left outer limit block; 121. left limit body; 122. first through hole; 123. second through hole; 13. inner limit block; 14. box chassis. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below in conjunction with the embodiments, but the implementation manner of the present invention is not limited thereto.

[0035] Example 1

[0036] like Figure 1-Figure 7 As shown, a movable automatic locking mechanism for a vehicle box includes a vehicle chassis 9, on which a rear roller shaft 8 is rotatably arranged, and on which a left locking assembly 11, a left rear roller 10, a vehicle tipping frame 2, a right rear roller 7 and a right locking assembly 5 are arranged in sequence from left to right, and the left rear roller 10 and the right rear roller 7 are rotatably connected to a box chassis 14, and the left locking assembly 11 and the right locking assembly 5 are driven by a driving mechanism to slide on the rear roller shaft 8, so that the left locking assembly 11 and the right locking assembly 5 limit the box to the left and right and clamp or unlock it.

[0037] A rear roller shaft 8 is rotatably arranged on the vehicle chassis 9, and the left rear roller 10 and the right rear roller 7 are rotatably connected with the box chassis 14, so as to limit the lower end of the box (the left rear roller 10 and the right rear roller 7 rotate synchronously with the rear roller shaft 8); the left locking assembly 11 and the right locking assembly 5 drive the left locking assembly 11 and the right locking assembly 5 to slide on the rear roller shaft 8 through the driving mechanism, and when the left locking assembly 11 and the right locking assembly 5 move in opposite directions, they are in an unlocked state; when the left locking assembly 11 and the right locking assembly 5 move in opposite directions, the left locking assembly 11 and the right locking assembly 5 are respectively close to the side of the beam of the box chassis 14, and the box is limited to the left and right and clamped, and is in a locked state.

[0038] Example 2

[0039] The difference between this embodiment and the first embodiment is that the driving mechanism includes a left connecting rod 1, a locking hydraulic cylinder 3 and a right connecting rod 4, the left side of the left connecting rod 1 is connected to the left locking assembly 11, the right side of the left connecting rod 1 is connected to the piston rod end of the locking hydraulic cylinder 3, the cylinder end of the locking hydraulic cylinder 3 is connected to the left side of the right connecting rod 4, and the right side of the right connecting rod 4 is connected to the right locking assembly 5. The left connecting rod 1 and the right connecting rod 4 pass through the vehicle tipping frame 2; or the right side of the left connecting rod 1 is connected to the cylinder end of the locking hydraulic cylinder 3, and the piston rod end of the locking hydraulic cylinder 3 is connected to the left side of the right connecting rod 4. When the locking hydraulic cylinder 3 is retracted, the left locking assembly 11 and the right locking assembly 5 move in opposite directions; when the locking hydraulic cylinder 3 is extended, the left locking assembly 11 and the right locking assembly 5 move in opposite directions.

[0040] Wherein, the left connecting rod 1 and the right connecting rod 4 are both provided with inner limit blocks 13 matching with the left locking assembly 11 or the right locking assembly 5 .

[0041] Wherein, a left outer limit block 12 is provided on the left side of the rear roller shaft 8 and the left side of the left connecting rod 1 .

[0042] The left outer limit block 12 comprises a left limit body 121 , and the left limit body 121 is provided with a first through hole 122 matching the left connecting rod 1 and a second through hole 123 matching the rear roller shaft 8 .

[0043] Wherein, a right outer limit block 6 is provided on the right side of the rear roller shaft 8 and the right side of the right connecting rod 4 .

[0044] The right outer limit block 6 includes a right limit body 61, and the right limit body 61 is provided with a third through hole 62 matching the right connecting rod 4 and a fourth through hole 63 matching the rear roller shaft 8. The inner limit block 13, the left outer limit block 12 and the right outer limit block 6 limit the moving distance of the left locking assembly 11 and the right locking assembly 5, which is conducive to the left and right limit or unlocking of the box.

[0045] Among them, the left locking assembly 11 includes a left locking slide 111, and the left locking slide 111 is provided with a first left locking plate 112 and a second left locking plate 113, the first left locking plate 112 is provided with a left locking through hole 114 matching the left connecting rod 1, and the second left locking plate 113 is provided with at least one locking block 55.

[0046] Among them, the right locking assembly 5 includes a right locking slide 51, and the right locking slide 51 is provided with a first right locking plate 52 and a second right locking plate 53, the first right locking plate 52 is provided with a right locking through hole 54 matching the right connecting rod 4, and the second right locking plate 53 is provided with at least one locking block 55.

[0047] The second right locking plate 53 and the second left locking plate 113 are provided with threaded holes 115, and the locking block 55 is connected to the threaded holes 115 through a pin shaft. The pin shaft is connected to the threaded holes 115, so as to facilitate the adjustment of the left and right extension lengths of the locking block 55.

[0048] like Figure 8-Figure 13 As shown, when the utility model is used: (1) before the vehicle is loaded into the box, the locking hydraulic cylinder 3 is extended, and then the left locking assembly 11 and the right locking assembly 5 are driven to slide outward through the left connecting rod 1 and the right connecting rod 4, and are in the unlocked state; (2) after the vehicle is loaded into the box, the locking hydraulic cylinder 3 is retracted, and then the left locking assembly 11 and the right locking assembly 5 are driven to slide inward through the left connecting rod 1 and the right connecting rod 4, and the left locking assembly 11 and the right locking assembly 5 are respectively pressed against the side of the box body bottom frame 14 beam, The box is limited and clamped to the left and right and is in a locked state; (3) When the box is unloaded, the box rotates around the rear roller shaft 8 to the maximum unloading angle together with the vehicle tipping frame 2. At this time, the box is still in a locked state, and the left locking assembly 11 and the right locking assembly 5 will rotate synchronously with the rear roller shaft 8; (4) When the box needs to be released, the locking hydraulic cylinder 3 extends, and then drives the left locking assembly 11 and the right locking assembly 5 to slide outward through the left connecting rod 1 and the right connecting rod 4, and is in an unlocked state.

[0049] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A movable automatic locking mechanism for a vehicle compartment, characterized in that: The invention comprises a vehicle chassis (9), a rear roller shaft (8) being rotatably arranged on the vehicle chassis (9), a left locking assembly (11), a left rear roller (10), a vehicle tipping frame (2), a right rear roller (7) and a right locking assembly (5) being arranged on the rear roller shaft (8) in sequence from left to right, the left rear roller (10) and the right rear roller (7) being rotatably connected to a box chassis (14), the left locking assembly (11) and the right locking assembly (5) driving the left locking assembly (11) and the right locking assembly (5) to slide on the rear roller shaft (8) through a driving mechanism, so that the left locking assembly (11) and the right locking assembly (5) limit the box to the left and right and clamp or unlock the box.

2. The automatic locking mechanism for a vehicle compartment according to claim 1, characterized in that: The driving mechanism comprises a left connecting rod (1), a locking hydraulic cylinder (3) and a right connecting rod (4); the left side of the left connecting rod (1) is connected to the left locking assembly (11); the right side of the left connecting rod (1) is connected to the piston rod end of the locking hydraulic cylinder (3); the cylinder end of the locking hydraulic cylinder (3) is connected to the left side of the right connecting rod (4); and the right side of the right connecting rod (4) is connected to the right locking assembly (5).

3. The automatic locking mechanism for a vehicle box according to claim 2, characterized in that: The left connecting rod (1) and the right connecting rod (4) are both provided with an inner limit block (13) matching the left locking assembly (11) or the right locking assembly (5).

4. The automatic locking mechanism for a movable vehicle compartment according to claim 3, characterized in that: A left outer limit block (12) is provided on the left side of the rear roller shaft (8) and the left side of the left connecting rod (1).

5. The automatic locking mechanism for a movable vehicle compartment according to claim 4, characterized in that: The left outer limit block (12) comprises a left limit body (121), and the left limit body (121) is provided with a first through hole (122) matching the left connecting rod (1) and a second through hole (123) matching the rear roller shaft (8).

6. The automatic locking mechanism for a vehicle compartment according to claim 5, characterized in that: A right outer limit block (6) is provided on the right side of the rear roller shaft (8) and the right side of the right connecting rod (4).

7. The automatic locking mechanism for a vehicle compartment capable of following movement according to claim 6, characterized in that: The right outer limit block (6) comprises a right limit body (61), and the right limit body (61) is provided with a third through hole (62) matching the right connecting rod (4) and a fourth through hole (63) matching the rear roller shaft (8).

8. A movable automatic locking mechanism for a vehicle compartment according to any one of claims 1 to 7, characterized in that: The left locking assembly (11) comprises a left locking slide (111), a first left locking plate (112) and a second left locking plate (113) being arranged on the left locking slide (111), the first left locking plate (112) being provided with a left locking through hole (114) matching the left connecting rod (1), and the second left locking plate (113) being provided with at least one locking block (55).

9. The automatic locking mechanism for a vehicle box according to claim 8, characterized in that: The right locking assembly (5) comprises a right locking slide (51), a first right locking plate (52) and a second right locking plate (53) being arranged on the right locking slide (51), the first right locking plate (52) being provided with a right locking through hole (54) matching the right connecting rod (4), and the second right locking plate (53) being provided with at least one locking block (55).

10. The movable automatic locking mechanism for a vehicle box according to claim 9, characterized in that: The second right locking plate (53) and the second left locking plate (113) are provided with threaded holes (115), and the locking block (55) is connected to the threaded holes (115) via a pin shaft.

Images