CN214215572U

CN214215572U - Truck tailboard with automatic locking guardrail

Info

Publication number: CN214215572U
Application number: CN202120289503.0U
Authority: CN
Inventors: 陈远和; 李小梅; 冯文添; 唐汝霖
Original assignee: Guangdong Niuli Logistics Machinery Technology Co ltd
Current assignee: Guangdong Niuli Logistics Machinery Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-09-17
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a truck tailboard with automatic locking guardrail, including carriage, rail guard, wheel, rotating device, tailboard and connector, the carriage top is fixed with the rail guard, and installs the wheel bottom the carriage, the carriage side rotates and is connected with the tailboard, the connector is installed to the tailboard side, the carriage bottom is close to the position of wheel and installs rotating device, rotating device rotates with the connector and is connected, surface mounting has stable thrust unit in the carriage, through thrust unit and micro-gap switch combined action, electric putter makes the card post and the card hole joint, thereby locks the tailboard, becomes manual to automatic, improves its degree of automation, locks the guardrail through automatic locking device, and locking is firm, the reliability is high, opens the tailboard easy operation, can improve handling efficiency simultaneously, and the staff is safe from the tailboard distance, can prevent accidents and improve safety.

Description

Truck tailboard with automatic locking guardrail

Technical Field

The utility model relates to a freight train tailboard technical field specifically is a freight train tailboard with automatic locking guardrail.

Background

The truck tail plate is also called a truck lifting tail plate, a truck loading and unloading tail plate, a hoisting tail plate and a hydraulic truck tail plate, and is hydraulic hoisting and loading equipment which is arranged at the tail parts of trucks and various vehicles and takes a vehicle-mounted storage battery as power. The truck tailboard is widely used in aerospace, military, fire fighting, postal service, finance, petrochemical, commercial, food, medicine, environment protection, logistics, manufacturing and other industries. The transportation and loading and unloading efficiency can be greatly improved, the cost is saved, and the device is one of essential devices for modern logistics transportation.

However, most of trucks are manual locking guardrails, a user needs to stand to the side face of a cargo box before unloading, open a manual locking device, lift and unload the cargo, and restore the manual locking device to the original position after unloading.

To this end, we propose a truck tailgate with an automatic locking guardrail.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a use stable, safe convenient freight train tailboard that has automatic locking guardrail to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a freight train tailboard with automatic locking guardrail, includes carriage, rail guard, wheel, hydraulic drive device, tailboard and connector, the carriage top is fixed with the rail guard, and installs the wheel bottom the carriage, the carriage side rotates and is connected with the tailboard, the connector is installed to the tailboard side, the position that the carriage bottom is close to the wheel installs hydraulic drive device, hydraulic drive device rotates with the connector to be connected, carriage internal surface mounting has stable thrust unit, the inside thrust unit top that is located of carriage inner wall installs resettable self-lock device, thrust unit internally mounted has efficient switching device.

Preferably, self-lock device includes electric putter, card post, cavity, horizontal pole, striker, first torsion spring and card hole, the carriage inner wall is opened there is the cavity, cavity internally mounted has the horizontal pole, the horizontal pole tip is fixed with the striker, the tip that the striker was kept away from to the horizontal pole is opened there is the card hole, horizontal pole and striker rotate through first torsion spring and cavity elasticity and be connected, the inside correspondence of tailboard installs electric putter, the flexible end tip of electric putter and card post fixed connection, card post and card hole joint.

Preferably, thrust unit is including promoting piece, push cylinder, sliding block, reset spring, catch bar and sliding opening, the tailboard internal surface correspondence is fixed with the promotion piece, the carriage inside wall correspondence is fixed with the push cylinder, the inside sliding connection of push cylinder has the sliding block, the push cylinder tip is opened there is the sliding opening, the sliding block end fixing has the catch bar, catch bar and sliding opening sliding connection, reset spring has been cup jointed to the catch bar outside, reset spring tip and sliding block fixed connection, reset spring keeps away from the tip of sliding block and push cylinder fixed connection.

Preferably, the pushing device further comprises a striking block, and the end of the pushing rod is fixed with the striking block.

Preferably, switching device includes micro-gap switch, second torsion spring, dwang, pivot and stripper, the fixed interlude in stripper middle part has micro-gap switch, the stripper inner wall is fixed with second torsion spring, second torsion spring end fixing has the dwang, the dwang bottom is fixed with the pivot, pivot end fixing has the stripper, stripper tip and micro-gap switch tip extrusion contact, micro-gap switch and electric putter electric connection.

Preferably, the striker bar is arc-shaped.

Compared with the prior art, the beneficial effects of the utility model are that: all be combined action through thrust unit and micro-gap switch, electric putter makes card post and card hole joint to locking the tailboard, with manual becoming automatic, improve its degree of automation, lock the guardrail through automatic locking device, it is firm to lock, the reliability is high, opens tailboard easy operation, can improve handling efficiency simultaneously, and the staff is safe apart from the tailboard distance moreover, can prevent unexpected the emergence, improves the security.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a second schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the self-locking device of the present invention;

FIG. 4 is a second schematic structural view of the self-locking device of the present invention;

FIG. 5 is a schematic view of the pushing device of the present invention;

fig. 6 is a schematic structural diagram of the switching device of the present invention.

In the figure: 1. a carriage; 2. protecting the fence; 3. a wheel; 4. a hydraulic drive device; 5. a tail plate; 6. a self-locking device; 61. an electric push rod; 62. clamping the column; 63. a cavity; 64. a cross bar; 65. a striker bar; 66. A first torsion spring; 67. a clamping hole; 7. a pushing device; 71. a pushing block; 72. a push cylinder; 73. a slider; 74. a return spring; 75. a push rod; 76. a sliding port; 77. an impact block; 8. a switching device; 81. A microswitch; 82. a second torsion spring; 83. rotating the rod; 84. a rotating shaft; 85. the rod is squeezed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a truck tailgate with an automatic locking guardrail in the drawings comprises a truck bed 1, a guardrail 2, wheels 3, a hydraulic driving device 4, a tailgate 5 and a connector 9, wherein the guardrail 2 is fixed at the top of the truck bed 1, the wheels 3 are mounted at the bottom of the truck bed 1, the tailgate 5 is rotatably connected to the side of the truck bed 1, the connector 9 is mounted at the side of the tailgate 5, the hydraulic driving device 4 is mounted at a position, close to the wheels 3, at the bottom of the truck bed 1, the hydraulic driving device 4 is rotatably connected with the connector 9, a stable pushing device 7 is mounted on the inner surface of the truck bed 1, a resettable self-locking device 6 is mounted above the pushing device 7 inside the inner wall of the truck bed 1, and a high-efficiency switch device 8 is mounted inside the pushing device 7.

When the freight car is unloaded, the tail plate 5 is rotated downwards by controlling the hydraulic driving device 4 and the connector 9, the switch device 8 is closed by the pushing device 7 at the moment, then the self-locking device 6 is closed, so that the tail plate 5 is smoothly opened, after the unloading is finished, the hydraulic driving device 4 and the connector 9 are controlled again, the tail plate 5 is rotated upwards, the switch device 8 is extruded by the pushing device 7, the self-locking device 6 is started by the switch device 8, and the tail plate 5 is automatically locked.

Referring to fig. 3 and 4, the self-locking device 6 includes an electric push rod 61, a clamping column 62, a cavity 63, a cross rod 64, an impact rod 65, a first torsion spring 66 and a clamping hole 67, the cavity 63 is formed in the inner wall of the carriage 1, the cross rod 64 is installed inside the cavity 63, the impact rod 65 is fixed at the end of the cross rod 64, the clamping hole 67 is formed in the end of the cross rod 64 far away from the impact rod 65, the cross rod 64 and the impact rod 65 are elastically and rotatably connected with the cavity 63 through the first torsion spring 66, the electric push rod 61 is correspondingly installed inside the tail plate 5, the end of the telescopic end of the electric push rod 61 is fixedly connected with the clamping column 62, and the clamping column 62 is clamped with the clamping hole 67.

The push rod 75 drives the impact block 77 to impact the impact rod 65, so that the cross rod 64 is in a horizontal position, meanwhile, the sliding block 73 triggers the micro switch 81, at the moment, the micro switch 81 controls the electric push rod 61 to push the clamping column 62, so that the clamping column 62 is clamped with the clamping hole 67, and the tail plate 5 is locked.

Referring to fig. 5, the pushing device 7 includes a pushing block 71, a pushing cylinder 72, a sliding block 73, a return spring 74, a pushing rod 75 and a sliding opening 76, the pushing block 71 is correspondingly fixed on the inner surface of the tail plate 5, the pushing cylinder 72 is correspondingly fixed on the inner side wall of the carriage 1, the sliding block 73 is slidably connected inside the pushing cylinder 72, the sliding opening 76 is formed at the end of the pushing cylinder 72, the pushing rod 75 is fixed at the end of the sliding block 73, the pushing rod 75 is slidably connected with the sliding opening 76, the return spring 74 is sleeved outside the pushing rod 75, the end of the return spring 74 is fixedly connected with the sliding block 73, and the end of the return spring 74 far from the sliding block 73 is fixedly connected with the pushing cylinder 72.

When the tailgate 5 is closed, the push block 71 presses the slide block 73 to compress the return spring 74, and simultaneously pushes the push lever 75 to press the striker 65, and when the tailgate 5 is opened, the slide block 73 and the push lever 75 return to their original positions by the elastic force of the return spring 74.

Referring to fig. 5, the pushing device 7 further includes a striking block 77, and the striking block 77 is fixed to the end of the pushing rod 75.

The impact block 77 can reduce the damage of the push rod 75 to the impact rod 65 and prolong the service life of the impact rod.

Referring to fig. 6, the switch device 8 includes a micro switch 81, a second torsion spring 82, a rotating rod 83, a rotating shaft 84 and an extrusion rod 85, the micro switch 81 is fixedly inserted in the middle of the push cylinder 72, the second torsion spring 82 is fixed on the inner wall of the push cylinder 72, the rotating rod 83 is fixed on the end of the second torsion spring 82, the rotating shaft 84 is fixed on the bottom of the rotating rod 83, the extrusion rod 85 is fixed on the end of the rotating shaft 84, the end of the extrusion rod 85 is in extrusion contact with the end of the micro switch 81, and the micro switch 81 is electrically connected with the electric push rod 61.

When the tail plate 5 is closed, the sliding block 73 touches the rotating rod 83 to enable the rotating rod 83 to slightly rotate, the rotating rod 83 drives the extrusion rod 85 to press the micro switch 81 through the rotating shaft 84, the micro switch 81 controls the electric push rod 61 to enable the electric push rod 61 to work, when the tail plate 5 is opened, the sliding block 73 does not touch the rotating rod 83, the extrusion rod 85 resets under the elastic force action of the second torsion spring 82, the micro switch 81 is not extruded, and the electric push rod 61 stops working.

Referring to fig. 3, the striking rod 65 is arc-shaped.

The arc-shaped striking rod 65 is attached to the striking block 77, and abrasion between the striking rods and the striking block is reduced.

The working principle is as follows: when the truck is unloaded, the tail plate 5 is rotated downwards by controlling the hydraulic driving device 4 and the connector 9, at the moment, under the action of the elastic force of the return spring 74, the sliding block 73 and the push rod 75 are returned to the original positions, the sliding block 73 is not in contact with the rotating rod 83, the extrusion rod 85 is reset under the action of the elastic force of the second torsion spring 82, the micro switch 81 is not extruded, the electric push rod 61 stops working, so that the tail plate 5 is opened smoothly, after the unloading is finished, the hydraulic driving device 4 and the connector 9 are controlled again, the tail plate 5 is rotated upwards, the push block 71 extrudes the sliding block 73, the return spring 74 is compressed by the sliding block 73, the push rod 75 is simultaneously pushed to extrude the sliding block 65, the sliding block 73 contacts the impact rotating rod 83, the rotating rod 83 slightly rotates, the rotating rod 83 drives the extrusion rod 85 to press the micro switch 81 through the rotating shaft 84, the micro switch 81 controls the electric push rod 61, the electric push rod 61 is driven to work, the clamping column 62 is clamped with the clamping hole 67, and the tail plate 5 is automatically locked.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a freight train tailboard with automatic locking guardrail, includes carriage (1), rail guard (2), wheel (3), hydraulic drive device (4), tailboard (5) and connector (9), carriage (1) top is fixed with rail guard (2), and installs wheel (3) bottom carriage (1), carriage (1) side rotates and is connected with tailboard (5), connector (9) are installed to tailboard (5) side, hydraulic drive device (4) are installed to the position that carriage (1) bottom is close to wheel (3), hydraulic drive device (4) rotate with connector (9) and are connected its characterized in that: the novel wagon box is characterized in that a stable pushing device (7) is installed on the inner surface of the wagon box (1), a resettable self-locking device (6) is installed above the pushing device (7) inside the inner wall of the wagon box (1), and a high-efficiency switch device (8) is installed inside the pushing device (7).

2. The truck tailgate with automatic locking guardrail of claim 1, characterized in that: self-lock device (6) are including electric putter (61), card post (62), cavity (63), horizontal pole (64), impact bar (65), first torsion spring (66) and card hole (67), open carriage (1) inner wall has cavity (63), cavity (63) internally mounted has horizontal pole (64), horizontal pole (64) end fixing has impact bar (65), the tip of impact bar (65) is kept away from in horizontal pole (64) is opened there is card hole (67), horizontal pole (64) and impact bar (65) are connected through first torsion spring (66) and cavity (63) elasticity rotation, electric putter (61) are installed to tailboard (5) inside correspondence, the flexible end tip of electric putter (61) and card post (62) fixed connection, card post (62) and card hole (67) joint.

3. A truck tailgate with automatic locking guardrail according to claim 2, characterized in that: push device (7) are including promoting piece (71), push cylinder (72), sliding block (73), reset spring (74), catch bar (75) and sliding opening (76), tailboard (5) internal surface corresponds to be fixed with push block (71), carriage (1) inside wall corresponds to be fixed with push cylinder (72), push cylinder (72) inside sliding connection has sliding block (73), push cylinder (72) tip is opened has sliding opening (76), sliding block (73) end fixing has catch bar (75), catch bar (75) and sliding opening (76) sliding connection, reset spring (74) have been cup jointed to catch bar (75) outside, reset spring (74) tip and sliding block (73) fixed connection, the tip and push cylinder (72) fixed connection that slide block (73) were kept away from in reset spring (74).

4. A truck tailgate with automatic locking guardrail according to claim 3, characterized in that: the pushing device (7) further comprises a striking block (77), and the striking block (77) is fixed at the end of the pushing rod (75).

5. A truck tailgate with automatic locking guardrail according to claim 3, characterized in that: switch device (8) include micro-gap switch (81), second torsion spring (82), dwang (83), pivot (84) and stripper bar (85), fixed interlude has micro-gap switch (81) in pusher (72) middle part, pusher (72) inner wall is fixed with second torsion spring (82), second torsion spring (82) end fixing has dwang (83), dwang (83) bottom is fixed with pivot (84), pivot (84) end fixing has stripper bar (85), stripper bar (85) tip and micro-gap switch (81) tip extrusion contact, micro-gap switch (81) and electric putter (61) electric connection.

6. A truck tailgate with automatic locking guardrail according to claim 2, characterized in that: the striking rod (65) is arc-shaped.