CN211519444U

CN211519444U - Foot anti-collision device of forklift

Info

Publication number: CN211519444U
Application number: CN202020077034.1U
Authority: CN
Inventors: 颜衡; 李�瑞; 粟颖君; 周康; 戴振兴
Original assignee: Guangzhou Ruilaisi Machinery Equipment Co ltd
Current assignee: Guangzhou Ruilaisi Machinery Equipment Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-18
Anticipated expiration: 2030-01-13

Abstract

The utility model relates to a fork truck technical field especially relates to a fork truck's buffer stop of foot, including the fork truck afterbody, the install bin, bear the box, first piston plate, buffer spring, the connecting block, the atress part, the gasbag, communicating pipe, hydraulic oil, second piston plate, reset spring, the extension board, protection gel and rubber protection pad, one side and the install bin fixed connection of fork truck afterbody, install bin inner wall top position all around respectively with bear the fixed connection all around of box, bear the box inner wall all around respectively with first piston plate sliding connection all around, the bottom of first piston plate and buffer spring's one end fixed connection. The utility model discloses reached and played the mesh of crashproof to fork truck's afterbody, avoided fork truck afterbody to receive the striking and cause the emergence that receives the damage phenomenon when turning to improved the protecting effect to fork truck driving system, guaranteed fork truck driving system's normal operating condition, improved fork truck's security in the use.

Description

Foot anti-collision device of forklift

Technical Field

The utility model relates to a fork truck technical field especially relates to a fork truck's buffer stop of foot.

Background

Forklifts play a very important role in logistics systems of enterprises, being the prime force among materials handling equipment. The method is widely applied to various departments in national economy such as stations, ports, airports, factories, warehouses and the like. China manufactured forklifts from the beginning of the 50 s of the 20 th century. Particularly, with the rapid development of Chinese economy, the material handling of most enterprises has been separated from the original manual handling, and is replaced by the mechanical handling mainly based on a forklift. Thus, in the past few years, the demand of the chinese forklift market has grown at two-digit rates each year.

In the using process of the forklift, the loading and unloading goods are required to be transported to a specified place, so that the forklift needs to turn and the like during working, the forklift needs to back up during turning, the tail state of the forklift is difficult to capture during backing up, the tail of the forklift is easy to collide with an obstacle due to the limited operating space, and the tail of the forklift is damaged.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a fork truck's buffer stop of foot has reached the purpose that plays the crashproof to fork truck's afterbody, has avoided fork truck afterbody to receive the striking and cause the emergence that receives the damage phenomenon when turning to improved the protecting effect to fork truck driving system, guaranteed fork truck driving system's normal operating condition, improved the security of fork truck in the use.

(II) technical scheme

In order to realize the technical problem, the utility model provides a following technical scheme: a foot anti-collision device of a forklift comprises a forklift tail, a mounting box, a bearing box, a first piston plate, a buffer spring, a connecting block, a stress part, an air bag, a communicating pipe, hydraulic oil, a second piston plate, a return spring, an extension plate, protective gel and a rubber protection pad, one side of the tail part of the forklift is fixedly connected with the mounting box, the upper positions of the periphery of the inner wall of the mounting box are respectively and fixedly connected with the periphery of the bearing box, the periphery of the inner wall of the bearing box is respectively connected with the periphery of the first piston plate in a sliding way, the bottom of the first piston plate is fixedly connected with one end of the buffer spring, the other end of the buffer spring is fixedly connected with the bottom of the inner wall of the bearing box, the top of the first piston plate is fixedly connected with one end of the connecting block, the top of connecting block extends to the top of installation box bottom, the top of connecting block and the bottom fixed connection of atress part.

Further, the air bag is located inside the installation box, the top of the air bag is located below the bottom of the bearing box, and the top of the air bag is fixedly communicated with the bottom of the bearing box through a communicating pipe.

Further, the inner side wall of the air bag is connected with the outer side wall of the second piston plate in a sliding mode, the hydraulic oil is located inside the bearing box, and the hydraulic oil is filled in a space formed between the bottom of the first piston plate and the bearing box.

Furthermore, the bottom of the second piston plate is fixedly connected with one end of a return spring, and the other end of the return spring is fixedly connected with the bottom of the inner wall of the air bag.

Furthermore, the periphery of the back surface of the installation box is fixedly connected with the periphery of the extension plate respectively, and the extension plate is provided with fixing holes matched with screws for use.

Furthermore, the protective gel is located inside the stress part, the stress part is in an arc-shaped curved surface state, the outer surface of the stress part is fixedly connected with one side of the rubber protection pad, and anti-skid grains are formed in the outer surface of the rubber protection pad.

(III) advantageous effects

The utility model provides a fork truck's buffer stop of foot possesses following beneficial effect:

1. because the stressed part of the utility model is arranged, the middle position of the tail part of the forklift is fixedly connected with the mounting box through the screw, when the forklift steers, the tail part of the forklift contacts with an obstacle to impact the stressed part, at the moment, the stressed part is matched with the connecting block to be used to contract towards the inside of the bearing box, meanwhile, the first piston plate exerts pressure on the buffer spring to be in a contraction state, the buffer spring buffers the impact force applied to the stressed part by utilizing the deformation of the buffer spring, so that the impact effect of the impact force is weakened, thereby achieving the purpose of preventing the tail part of the forklift from being impacted, avoiding the phenomenon that the tail part of the forklift is impacted and damaged when the forklift steers, thereby the protection effect to fork truck driving system has been improved, has guaranteed fork truck driving system's normal operating condition, has improved the security of fork truck in the use.

2. The utility model discloses because the setting of gasbag, fill through the inside at the gasbag and annotate inertia nitrogen gas, when the atress part receives the impact, first piston plate motion forms the extrusion force to hydraulic oil, bear the inside hydraulic oil of box this moment and pass through the inside that communicating pipe got into the gasbag, because insoluble nature between inertia nitrogen gas and the hydraulic oil, consequently the inside notes that receive hydraulic oil of gasbag are in the inflation state, can cushion once more the impact at this in-process, the elasticity reset capability of cooperation reset spring simultaneously, can promote second piston plate and resume to the initial position after the atress part breaks away from the barrier, force the inside that hydraulic oil flows back to bearing the box simultaneously, and the elastic force of cooperation protection gel and rubber protection pad, can form the protecting effect to the atress part.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the structural mounting box of the present invention;

fig. 3 is a back schematic view of the structural installation box of the present invention;

fig. 4 is a schematic cross-sectional view of the stressed portion of the structure of the present invention.

In the figure: 1. the tail part of the forklift; 2. installing a box; 3. a carrying box; 4. a first piston plate; 5. a buffer spring; 6. connecting blocks; 7. a force-receiving portion; 8. an air bag; 9. a communicating pipe; 10. hydraulic oil; 11. a second piston plate; 12. a return spring; 13. an extension plate; 14. a protective gel; 15. a rubber pad.

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. 1-4, the present invention provides a technical solution: a foot anti-collision device of a forklift comprises a forklift tail part 1, an installation box 2, a bearing box 3, a first piston plate 4, a buffer spring 5, a connecting block 6, a stress part 7, an air bag 8, a communicating pipe 9, hydraulic oil 10, a second piston plate 11, a reset spring 12, an extension plate 13, protective gel 14 and a rubber pad 15, wherein one side of the forklift tail part 1 is fixedly connected with the installation box 2, the upper positions of the periphery of the inner wall of the installation box 2 are respectively and fixedly connected with the periphery of the bearing box 3, the periphery of the inner wall of the bearing box 3 is respectively and slidably connected with the periphery of the first piston plate 4, the bottom of the first piston plate 4 is fixedly connected with one end of the buffer spring 5, the other end of the buffer spring 5 is fixedly connected with the bottom of the inner wall of the bearing box 3, the top of the first piston plate 4 is fixedly connected with one end of the connecting block 6, and the top of, the top of the connecting block 6 is fixedly connected with the bottom of the stress part 7, due to the arrangement of the stress part 7, the stress part 7 is fixedly connected with the mounting box 2 through a screw at the middle position of the tail part 1 of the forklift, when the tail part is contacted with a barrier, the stress part 7 is impacted when being matched with the connecting block 6 to be contracted towards the inside of the bearing box 3, meanwhile, the first piston plate 4 applies pressure to the buffer spring 5 to be in a contraction state, the buffer spring 5 buffers the impact force received by the stress part 7 by utilizing the deformation of the buffer spring 5, so that the impact effect of the impact force is weakened, the aim of preventing the tail part of the forklift from being impacted is fulfilled, the phenomenon that the tail part of the forklift is impacted to be damaged when the forklift is steered is avoided, and the protection effect on a power system of the forklift is improved, the normal running state of the power system of the forklift is ensured, and the safety of the forklift in the using process is improved.

The air bag 8 is positioned inside the installation box 2, the top of the air bag 8 is positioned below the bottom of the bearing box 3, the top of the air bag 8 is fixedly communicated with the bottom of the bearing box 3 through a communicating pipe 9, the inner side wall of the air bag 8 is in sliding connection with the outer side wall of the second piston plate 11, hydraulic oil 10 is positioned inside the bearing box 3, the hydraulic oil 10 is filled in a space formed between the bottom of the first piston plate 4 and the bearing box 3, the bottom of the second piston plate 11 is fixedly connected with one end of a return spring 12, the other end of the return spring 12 is fixedly connected with the bottom of the inner wall of the air bag 8, the periphery of the back of the installation box 2 is respectively and fixedly connected with the periphery of an extension plate 13, fixing holes matched with screws are formed in the extension plate 13, the protective gel 14 is positioned inside the stress part 7, the stress part 7 is arranged in an arc curved surface state, the outer surface of the stress part 7 is fixedly, the outer surface of the rubber protection pad 15 is provided with anti-skid grains, and due to the arrangement of the air bag 8, inert nitrogen is filled in the air bag 8, when the force-bearing part 7 is impacted, the first piston plate 4 moves to generate extrusion force on the hydraulic oil 10, at the moment, the hydraulic oil 10 in the bearing box 3 enters the air bag 8 through the communicating pipe 9, due to the insoluble nature between the inert nitrogen and the hydraulic oil 10, the interior of the bladder 8 is inflated by the charge of hydraulic oil 10, in the process, the impact force can be buffered again, and simultaneously, the elastic resetting capability of the resetting spring 12 is matched, the second piston plate 11 can be pushed to return to the initial position after the stressed part 7 is separated from the barrier, and meanwhile, the hydraulic oil 10 is forced to flow back to the inside of the bearing box 3, and the protection effect can be formed on the stress part 7 by matching with the elastic force of the protection gel 14 and the rubber protection pad 15.

The working principle is as follows: in the in-process of using, carry out fixed connection through the screw with install bin 2 through the intermediate position at fork truck afterbody 1, when fork truck turned to, the afterbody strikes atress part 7 when contacting with the barrier, atress part 7 cooperation connecting block 6 use is to the inside of bearing box 3 shrink this moment, first piston plate 4 is in the contraction state to buffer spring 5 application pressure simultaneously, buffer spring 5 utilizes the deformation volume of self to cushion the impact that atress part 7 received, the impact effect that makes the impact weakens, consequently, reached to the afterbody of fork truck and played the mesh of crashproof.

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 fork truck's buffer stop of foot, includes fork truck afterbody (1), install bin (2), bears box (3), first piston plate (4), buffer spring (5), connecting block (6), atress part (7), gasbag (8), communicating pipe (9), hydraulic oil (10), second piston plate (11), reset spring (12), extension board (13), protection gel (14) and rubber protection pad (15), its characterized in that: one side and install bin (2) fixed connection of fork truck afterbody (1), install bin (2) inner wall top position all around respectively with bear the fixed connection all around of box (3), bear the box (3) inner wall all around respectively with sliding connection all around of first piston plate (4), the bottom of first piston plate (4) and the one end fixed connection of buffer spring (5), the other end of buffer spring (5) and the bottom fixed connection who bears box (3) inner wall, the top of first piston plate (4) and the one end fixed connection of connecting block (6), the top of connecting block (6) extends to the top of install bin (2) bottom, the top of connecting block (6) and the bottom fixed connection of atress part (7).

2. The foot bump guard of a forklift truck of claim 1, wherein: the air bag (8) is located inside the installation box (2), the top of the air bag (8) is located below the bottom of the bearing box (3), and the top of the air bag (8) is fixedly communicated with the bottom of the bearing box (3) through a communicating pipe (9).

3. The foot bump guard of a forklift truck of claim 1, wherein: the inside wall of gasbag (8) and the lateral wall sliding connection of second piston board (11), hydraulic oil (10) are located the inside of bearing box (3), and hydraulic oil (10) are filled in the space that forms between first piston board (4) bottom and bearing box (3).

4. The foot bump guard of a forklift truck of claim 1, wherein: the bottom of the second piston plate (11) is fixedly connected with one end of a return spring (12), and the other end of the return spring (12) is fixedly connected with the bottom of the inner wall of the air bag (8).

5. The foot bump guard of a forklift truck of claim 1, wherein: the periphery of the back surface of the installation box (2) is fixedly connected with the periphery of the extension plate (13) respectively, and the extension plate (13) is provided with fixing holes matched with screws for use.

6. The foot bump guard of a forklift truck of claim 1, wherein: the protective gel (14) is located inside the stress part (7), the stress part (7) is in an arc-shaped curved surface state, the outer surface of the stress part (7) is fixedly connected with one side of the rubber protection pad (15), and anti-skid lines are formed in the outer surface of the rubber protection pad (15).