CN215752270U

CN215752270U - Bumper for heavy-duty AGV

Info

Publication number: CN215752270U
Application number: CN202121205920.9U
Authority: CN
Inventors: 邱峰; 朱建华; 陈明全; 王纪东; 王后新
Original assignee: Shandong Lingong Construction Machinery Co Ltd
Current assignee: Shandong Lingong Construction Machinery Co Ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-02-08
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a bumper for a heavy-load AGV, and belongs to the field of engineering machinery. It mainly includes the bar body, the internal side of bar is equipped with the elastic reset device more than a set of, elastic reset device includes connecting rod seat and fixing base, and it has the rocker board of parallel arrangement more than two to articulate between connecting rod seat and the fixing base, is equipped with elastic reset mechanism between rocker board and connecting rod seat or the fixing base, is equipped with on the fixing base with rocker board complex proximity switch. The utility model has simple structure and high stability, realizes the parking of the whole AGV after the bumper touches the obstacle, ensures the driving safety, and ensures that the AGV can continue to drive after the obstacle is removed. The utility model is mainly used for AGV.

Description

Bumper for heavy-duty AGV

Technical Field

The utility model belongs to the field of engineering machinery, and particularly relates to a bumper for a heavy-load AGV.

Background

In the engineering field, the material is carried across workshops and plants, which is an essential process, and most of the materials are carried by manual operation of a forklift. At present, the AGV is gradually adopted to replace an artificial forklift to carry out material carrying and conveying, and the AGV can realize unmanned driving according to a set route and realize remote automatic material carrying, and is efficient, safe and labor-saving as an automatic navigation traction trolley. Because the AGV has no automatic operation, the safety is ensured in the driving process, a bumper needs to be added in the direction of the running end of the vehicle, and the vehicle can be stopped in time when meeting an obstacle. The conventional AGV bumper is difficult to realize automatic parking when encountering obstacles, and has a complex structure and poor work continuity.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: overcome prior art's not enough, provide a bumper for heavily loaded AGV, its simple structure, stability is high, realizes after the bumper touches the barrier, can be so that whole AGV parking, has guaranteed driving safety to remove from the back AGV can continue to travel at the barrier.

A bumper for heavily loaded AGV, including the bar body, the internal side of bar is equipped with the elastic reset device more than a set of, elastic reset device includes connecting rod seat and fixing base, articulates between connecting rod seat and the fixing base to have the rocker board of parallel arrangement more than two, is equipped with elastic reset mechanism between rocker board and connecting rod seat or the fixing base, be equipped with on the fixing base with rocker board complex proximity switch.

Preferably, the fixing base includes the channel plate, and channel plate top is equipped with the more than one connecting plate, is equipped with the mounting hole on the connecting plate, and channel plate one side or both sides are equipped with the baffle, are equipped with on the baffle to be used for the spacing limiting plate of rocker board.

Preferably, the baffle and the limiting plate are integrally formed, and the limiting plate is formed by bending a polygonal baffle.

Preferably, the proximity switch is mounted on a proximity switch fixing plate, the proximity switch fixing plate is connected with the baffle, and the elastic reset mechanism is mounted between the baffle and the rocker plate.

Preferably, the bar body comprises a bending plate, the bending plate is of a C-shaped structure, a fixed plate fixedly connected with the inner side of the bending plate is arranged, and the elastic reset device is fixedly connected with the bar body through the fixed plate and the fastener.

Preferably, the connecting rod seat comprises a mounting plate, a fixedly connected connecting rod plate is arranged on the mounting plate, and the connecting rod seat is hinged with the rocker plate through the connecting rod plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, by additionally arranging the elastic reset device, once the AGV runs and collides with a barrier, the bumper is translated backwards under the impact of collision, so that the rocker plate on the elastic reset device is rocked backwards, and when the proximity switch cannot sense the rocker plate, the AGV stands on the horse to park, so that the safety in the driving process is ensured, and meanwhile, the collision damage of the automobile body is effectively reduced;

2. the elastic reset device forms a parallelogram four-bar mechanism through the fixed seat, the connecting rod seat and the two rocking bar plates, and the lever body is always kept horizontal in the collision movement and rebound processes of the lever body, so that the smoothness and the reliability of the action of the whole mechanism are improved;

3. after the obstacle is moved away, the elastic reset device resets the rocker plate under the relay action of the elastic reset mechanism, and the proximity switch senses the rocker plate and drives the AGV to continue to run, so that the working efficiency is greatly improved.

Drawings

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

FIG. 2 is a schematic structural view of a bar body;

FIG. 3 is a schematic structural diagram of a connecting rod seat;

FIG. 4 is a schematic structural view of the fixing base;

fig. 5 is a schematic structural view of the rocker plate.

In the figure, 1, a bar body; 101. bending the plate; 102. a fixing plate; 2. a connecting rod seat; 201. a link plate; 202. mounting a plate; 203. hole turning; 3. a fixed seat; 301. a trough plate; 302. a connecting plate; 303. a baffle plate; 304. a spring fixing hole; 305. a proximity switch fixing plate fixing hole; 306. mounting holes; 307. a limiting plate; 4. a rocker plate; 5. an elastic reset mechanism; 6. a rotating shaft; 7. a proximity switch fixing plate; 8. a proximity switch.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

the first embodiment is as follows: as shown in fig. 1, a bumper for heavily loaded AGV, including the bar body 1, bar body 1 inboard is equipped with a set of more than elastic resetting device, and this embodiment explains with two sets of elastic resetting device as an example, and two sets of elastic resetting device install respectively in the both ends of keeping away from bar body 1 middle part, elastic resetting device includes connecting rod seat 2 and fixing base 3, and articulated between connecting rod seat 2 and the fixing base 3 have two above parallel arrangement's rocking bar board 4, and this embodiment explains with two rocking bar boards 4 as an example, is equipped with elastic resetting mechanism 5 between wherein arbitrary rocking bar board 4 and the fixing base 3, and elastic resetting mechanism 5 adopts extension spring, is equipped with on the fixing base 3 with rocking bar board 4 complex proximity switch 8.

As shown in fig. 4, the fixing seat 3 includes a groove plate 301, the groove plate 301 is formed by bending a steel plate, two connecting plates 302 are arranged above the groove plate 301, mounting holes 306 are formed in the connecting plates 302, the connecting plates 302 are fixed to the whole AGV frame through the mounting holes 306 and bolts, baffles 303 are arranged on two sides of the groove plate 301 respectively, limiting plates 307 used for limiting the rocking bar plate 4 are arranged on the baffles 303, the baffles 303 and the limiting plates 307 are integrally formed, the limiting plates 307 are formed by bending the polygonal baffles 303, the two limiting plates 307 are arranged on two sides of the groove plate 301 in a mirror image mode respectively, the bending directions of the two limiting plates 307 are opposite, the two limiting plates are bent towards one side close to the groove plate 301, the rocking bar plate 4 is arranged inside the limiting plates 307, and the rocking bar plate 4 can be guaranteed to swing at a certain angle through a space formed by the two limiting plates 307 which are bent relatively. Be equipped with proximity switch fixed plate fixed orifices 305 and spring fixed orifices 304 on baffle 303, proximity switch 8 installs on proximity switch fixed plate 7, proximity switch fixed plate 7 is the board of bending, proximity switch fixed plate 7 passes through proximity switch fixed plate fixed orifices 305 and bolt and baffle 303 outside fixed connection, 5 one ends of elasticity canceling release mechanical system are passed through spring fixed orifices 304 and are connected with baffle 303, the other end is connected with the spring fixed orifices on rocker plate 4, guarantee that the thick stick body 1 and connecting rod seat 2 can automatic re-setting after the pulling.

As shown in fig. 2, the lever body 1 includes a bending plate 101, the bending plate 101 is in a "C" shape, a fixing plate 102 is disposed inside the bending plate 101, and the elastic resetting device is fixedly connected to the lever body 1 through the fixing plate 102 and a fastening member; as shown in fig. 3, the link base 2 includes a mounting plate 202, the mounting plate 202 is fixedly connected to the fixing plate 102 by bolts, a fixedly connected link plate 201 is disposed on the mounting plate 202, and a rotation hole 203 is disposed on the link plate 201.

As shown in fig. 5, the connecting rod seat 2 is hinged to one end of the front and the back rocker plates 4 through the rotation hole 203 and the rotation shaft 6 on the connecting rod plate 201, the other end of the rocker plate 4 is hinged to the groove plate 301 on the fixing seat 3 through the rotation shaft 6, and the rotation shaft 6 adopts a bolt rod to ensure that the rotation hole on the connecting rod seat 2 and the rocker plate 4 can be penetrated and can rotate freely.

In the manufacturing process of the embodiment, the width of the bending plate 101 is equal to that of the car body; the connecting rod plate 201 is bent into a C shape by a steel plate, rotating holes 203 corresponding to 4 rocker plates are respectively arranged on two side plates of the connecting rod plate 201, the rotating holes 203 on the two side plates are symmetrical in pairs, and the rotating holes 203 on the same side are the same in height.

Example two: an elastic reset mechanism 5 is arranged between the rocker plate 4 and the connecting rod seat 2, and the rest is the same as the first embodiment.

When the device is installed, the connecting plate 302 on the fixed seat 3 is fixedly connected with a support at the advancing end of the existing AGV, and the front end of the lever body 1 and the outermost end of the advancing direction of the existing AGV are enabled to have a certain telescopic distance, so that when the device is contacted with an obstacle in the advancing direction, the lever body 1 firstly touches the obstacle, enough compression space is reserved for the bumper and the outermost end of the existing AGV, and meanwhile, the induction end of the proximity switch 8 is close to one side of the rocker plate.

When the AGV walking device works, if an obstacle exists in the advancing direction, the bar body 1 firstly touches the obstacle, under the action of pressure, the bar body 1 can drive the connecting rod seat 2 of the elastic resetting device to move backwards, at the moment, the two rocker plates 4 synchronously swing backwards for a certain angle along with the connecting rod seat 2, and the elastic resetting mechanism 5 is in a stretched state. Because the rocker plate 4 swings backwards, the proximity switch 8 cannot sense the rocker plate 4, and therefore the proximity switch 8 drives the whole vehicle to park immediately and stop moving forwards, and running safety is guaranteed. Once move the barrier away, because there is the pulling force behind the elasticity canceling release mechanical system 5 is tensile, rocker plate 4 resets under the effect of pulling force, and proximity switch 8 can sense rocker plate 4 this moment, and proximity switch 8 orders about whole car and resumes the operation, continues to advance.

Claims

1. A bumper for heavy AGV, comprising a lever body (1), characterized in that: the bar body (1) inboard is equipped with the elasticity resetting means more than a set of, elasticity resetting means includes connecting rod seat (2) and fixing base (3), and it has rocker board (4) of parallel arrangement more than two to articulate between connecting rod seat (2) and fixing base (3), is equipped with elasticity canceling release mechanical system (5) between rocker board (4) and connecting rod seat (2) or fixing base (3), is equipped with on fixing base (3) with rocker board (4) complex proximity switch (8).

2. The bumper for a heavy-duty AGV of claim 1, wherein: fixing base (3) are equipped with more than one connecting plate (302) including channel plate (301), channel plate (301) top, are equipped with mounting hole (306) on connecting plate (302), and channel plate (301) one side or both sides are equipped with baffle (303), are equipped with on baffle (303) to be used for the spacing limiting plate (307) of rocking bar board (4).

3. The bumper for a heavy-duty AGV of claim 2, wherein: the baffle (303) and the limiting plate (307) are integrally formed, and the limiting plate (307) is formed by bending the polygonal baffle (303).

4. The bumper for a heavy-duty AGV of claim 3, wherein: the proximity switch (8) is installed on the proximity switch fixing plate (7), the proximity switch fixing plate (7) is connected with the baffle (303), and the elastic reset mechanism (5) is installed between the baffle (303) and the rocker plate (4).

5. Bumper for a heavy loaded AGV according to any of the claims 1 to 4, characterized in that: the bar body (1) comprises a bending plate (101), the bending plate (101) is of a C-shaped structure, a fixing plate (102) fixedly connected with the inner side of the bending plate (101), and the elastic reset device is fixedly connected with the bar body (1) through the fixing plate (102) and a fastener.

6. The bumper for a heavy-duty AGV of claim 5, wherein: the connecting rod seat (2) comprises a mounting plate (202), a connecting rod plate (201) fixedly connected with the mounting plate (202) is arranged on the connecting rod seat (2), and the connecting rod seat (2) is hinged with the rocker plate (4) through the connecting rod plate (201).