CN212982389U

CN212982389U - Stable steering chassis for fork truck

Info

Publication number: CN212982389U
Application number: CN202021457267.0U
Authority: CN
Inventors: 李卫东; 武郧陵; 张志高
Original assignee: Wuhan Donglisheng Electromechanical Technology Co ltd
Current assignee: Wuhan Donglisheng Electromechanical Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-16
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a stabilize chassis that turns to for piling high car relates to and piles high car technical field, for solving the ordinary chassis that piles high car among the prior art not enough problem of side direction holding power when turning to. Automobile body and fixed rod fixed connection, the below of automobile body is provided with directive wheel and drive wheel respectively, the axletree is installed to one side of directive wheel, and axletree and directive wheel rotate to be connected, the steering spindle is installed to the one end of axletree, and steering spindle and axletree welded connection, the goat's horn is installed in the outside of steering spindle, and the goat's horn passes through the bearing rotation with the steering spindle to be connected, the side direction pull rod is installed to the top of goat's horn, goat's horn and automobile body all rotate with the side direction pull rod through the bearing to be connected, McPherson's suspension is installed to the top of goat's horn, goat's horn and automobile body all with McP.

Description

Stable steering chassis for fork truck

Technical Field

The utility model relates to a pile high car technical field specifically is a stabilize chassis that turns to for piling high car.

Background

The stacking vehicle is a wheel type transport vehicle for loading, unloading, stacking and short-distance transport of finished pallet goods, is called as an industrial vehicle by international organization for standardization ISO/TC110, is widely applied to factory workshops, warehouses, circulation centers, distribution centers, ports, stations, airports, goods yards and the like, and can enter cabins, carriages and containers for loading, unloading and transporting pallet goods. Is an essential device for pallet transportation and container transportation.

The common fork truck cannot be provided with a suspension, and a truck body is directly arranged on an axle, so that all acting forces are supported by the axle during steering, the lateral supporting force of the axle is insufficient due to inertia and eccentric force, and the fork truck is easy to laterally overturn when an object carried by the fork truck is steered too heavily; therefore, the market is urgently needed to develop a stable steering chassis for a fork lift truck to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stabilize chassis that turns to for piling high car to solve the not enough problem of side direction holding power when turning to of the ordinary chassis of piling high car that proposes 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 stabilize steering chassis for piling high car, includes automobile body and fixed rod, automobile body and fixed rod fixed connection, the below of automobile body is provided with directive wheel and drive wheel respectively, the axletree is installed to one side of directive wheel, and axletree and directive wheel rotate to be connected, the steering spindle is installed to the one end of axletree, and steering spindle and axletree welded connection, the goat's horn is installed in the outside of steering spindle, and the goat's horn passes through the bearing rotation with the steering spindle to be connected, the side direction pull rod is installed to the top of goat's horn, goat's horn and automobile body all rotate with the side direction pull rod through the bearing to be connected, McPherson suspension is installed to the top of goat's horn, goat's horn and automobile body all with M.

Preferably, a steering ball head is installed above the steering shaft and is fixedly connected with the steering shaft, a steering pull rod is installed on one side of the steering ball head and is fixedly connected with the steering ball head, a steering slide rod is installed above the steering pull rod and is fixedly connected with the steering pull rod, and the steering slide rod is slidably connected with the vehicle body.

Preferably, the vehicle body is internally provided with an air cylinder and an air pump respectively, the air cylinder and the air pump are fixedly connected with the vehicle body, and the air cylinder is fixedly connected with the steering slide rod.

Preferably, first servo motor and second servo motor are installed respectively to the inside of automobile body, and first servo motor and second servo motor all with automobile body fixed connection, first reduction gear is installed to one side of first servo motor, and first reduction gear passes through shaft coupling fixed connection with first servo motor, the second reduction gear is installed to one side of second servo motor, and the second reduction gear passes through shaft coupling fixed connection with second servo motor, the internally mounted of automobile body has the AGV navigator, and AGV navigator and automobile body fixed connection, first servo motor and second servo motor all with AGV navigator electric connection.

Preferably, the slide bar is installed to one side of deciding the pole, and slide bar and deciding pole sliding connection, first dead lever is installed to one side of slide bar, and first dead lever and slide bar fixed connection, the fork leg is installed to one side of slide bar, and fork leg and slide bar sliding connection.

Preferably, a second fixing rod is installed on one side of the sliding rod and is fixedly connected with the sliding rod, a first pulley box is installed above the first fixing rod and is fixedly connected with the first fixing rod, a first chain is arranged below the first pulley box and is fixedly connected with the fork legs, a second pulley box is installed on one side of the fixed rod and is fixedly connected with the fixed rod, and a second chain is arranged below the second pulley box and is fixedly connected with the second fixing rod.

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

1. the utility model discloses a through the setting of side direction pull rod and McPherson suspension, convert elastic connection between axletree and the automobile body into through McPherson suspension, and with two steering wheel independent settings, can not influence another directive wheel when jolting to one of them directive wheel, thereby when one of them directive wheel appears the lateral bracing power not enough, another directive wheel will pull the automobile body through the side direction pull rod, prevent the automobile body from heeling, thereby the lateral bracing power when dividing to turn to, the side direction pull rod of the same side will play the effect of support, it supports the automobile body, prevent the automobile body slope, thereby provide main lateral bracing power, provide certain pulling force by McPherson suspension again, the spring in the McPherson suspension will pull this automobile body with moving away to avoid possible earthquakes, thereby further provide certain lateral bracing power, thereby prevent that the automobile body from excessively inclining and overturning, so that the fork truck can not turn over laterally even if bearing heavy objects to turn.

2. The utility model discloses a through first servo motor and second servo motor's setting for mutually support between slide bar and the fork leg, rise by oneself, mutual noninterference, first servo motor is used for the first chain of direct drive to rotate, thereby directly orders about the fork leg and rises or descend, and second servo motor is used for driving the second chain, directly orders about the slide bar and rises or descend, thereby divides the work of worker cooperation, improves this heap high car's work efficiency.

Drawings

Fig. 1 is a front view of a stable steering chassis for a fork lift truck according to the present invention;

fig. 2 is a schematic view of the internal structure of a stable steering chassis for a fork truck according to the present invention;

fig. 3 is a front view of the fixed rod of the present invention.

In the figure: 1. a vehicle body; 2. fixing a rod; 3. a slide bar; 4. a fork leg; 5. a steering wheel; 6. a drive wheel; 7. an axle; 8. a steering shaft; 9. sheep horn; 10. a Macpherson suspension; 11. a steering ball head; 12. a lateral pull rod; 13. a steering tie rod; 14. a steering slide bar; 15. a cylinder; 16. an air pump; 17. a first servo motor; 18. a first decelerator; 19. a second servo motor; 20. a second decelerator; 21. an AGV navigator; 22. a first fixing lever; 23. a first pulley box; 24. a first chain; 25. a second pulley box; 26. a second chain; 27. and a second fixing rod.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a stabilize steering chassis for piling high car, including automobile body 1 and fixed rod 2, automobile body 1 and fixed rod 2 fixed connection, the below of automobile body 1 is provided with directive wheel 5 and drive wheel 6 respectively, axletree 7 is installed to one side of directive wheel 5, and axletree 7 rotates with directive wheel 5 to be connected, steering spindle 8 is installed to the one end of axletree 7, and steering spindle 8 and axletree 7 welded connection, goat's horn 9 is installed to the outside of steering spindle 8, and goat's horn 9 rotates through the bearing with steering spindle 8 to be connected, side direction pull rod 12 is installed to the top of goat's horn 9, goat's horn 9 and automobile body 1 all rotate through bearing and side direction pull rod 12 to be connected, Macpherson suspension 10 is installed to the top of goat's horn 9, goat's horn 9 and automobile body 1 all with Macpher.

Further, a steering ball 11 is mounted above the steering shaft 8, the steering ball 11 is fixedly connected with the steering shaft 8, a steering pull rod 13 is mounted on one side of the steering ball 11, the steering pull rod 13 is fixedly connected with the steering ball 11, a steering slide rod 14 is mounted above the steering pull rod 13, the steering slide rod 14 is fixedly connected with the steering pull rod 13, the steering slide rod 14 is slidably connected with the vehicle body 1, two steering wheels 5 are arranged, and accordingly, two corresponding structures forming a suspension system and two corresponding structures forming a steering system are arranged.

Further, an air cylinder 15 and an air pump 16 are respectively installed inside the vehicle body 1, the air cylinder 15 and the air pump 16 are both fixedly connected with the vehicle body 1, the air cylinder 15 is fixedly connected with the steering slide bar 14, and the air pump 16 is driven by the air cylinder 15.

Further, a first servo motor 17 and a second servo motor 19 are respectively installed inside the vehicle body 1, and the first servo motor 17 and the second servo motor 19 are both fixedly connected with the vehicle body 1, one side of the first servo motor 17 is provided with a first speed reducer 18, and the first reducer 18 is fixedly connected with the first servo motor 17 through a coupling, one side of the second servo motor 19 is provided with a second reducer 20, and the second reducer 20 is fixedly connected with the second servo motor 19 through a coupling, an AGV navigator 21 is installed inside the vehicle body 1, and AGV navigator 21 and automobile body 1 fixed connection, first servo motor 17 and second servo motor 19 all with AGV navigator 21 electric connection, AGV navigator 21 simultaneously with air pump 16 electric connection, the chain wheel is all installed to one side of first reduction gear 18 and second reduction gear 20, first reduction gear 18 and second reduction gear 20 all through shaft coupling and chain wheel fixed connection.

Further, slide bar 3 is installed to one side of fixed pole 2, and slide bar 3 and fixed pole 2 sliding connection, and first dead lever 22 is installed to one side of slide bar 3, and first dead lever 22 and slide bar 3 fixed connection, and fork leg 4 is installed to one side of slide bar 3, and fork leg 4 and slide bar 3 sliding connection, and fixed pole 2 can't remove, and slide bar 3 can reciprocate at the front side of fixed pole 2.

Further, a second fixing rod 27 is installed on one side of the sliding rod 3, the second fixing rod 27 is fixedly connected with the sliding rod 3, a first pulley box 23 is installed above the first fixing rod 22, the first pulley box 23 is fixedly connected with the first fixing rod 22, a first chain 24 is arranged below the first pulley box 23, the first chain 24 is fixedly connected with the fork leg 4, a second pulley box 25 is installed on one side of the fixed rod 2, the second pulley box 25 is fixedly connected with the fixed rod 2, a second chain 26 is arranged below the second pulley box 25, the second chain 26 is fixedly connected with the second fixing rod 27, fixed pulleys are arranged inside the first pulley box 23 and the second pulley box 25, the two chains are respectively connected with the corresponding fixed pulleys in a sliding manner, the first chain 24 is driven to rotate by the first servo motor 17, and the second chain 26 is driven to rotate by the second servo motor 19.

The working principle is as follows: when the device is used, a power mechanism for driving the driving wheel 6 to rotate is arranged in the vehicle body 1, a servo motor is also adopted, the device is controlled by the AGV navigator 21, the vehicle body 1 is driven to move forwards or backwards through the driving wheel 6, steering is realized through the steering wheel 5, when steering is required, the air pump 16 is started, the air pump 16 transmits air or sucks air into the air cylinder 15, the air cylinder 15 pushes the steering slide rod 14 to move transversely left and right, the steering slide rod 14 drives the steering pull rod 13 to move transversely left and right, the steering pull rod 13 drives the steering shaft 8 to rotate through the steering ball head 11, so that the vehicle shaft 7 rotates by taking the steering shaft 8 as an axis, the steering effect is realized, the goat horn 9 is used for supporting the whole vehicle body 1 structure, the McPherson suspension 10 is used for providing shock absorption for the vehicle body 1 during driving, the lateral pull rod 12 is used for providing stronger lateral supporting force, and forms a triangular stable structure with the goat, first servo motor 17 will drive the chain wheel rotation of installation on the first reduction gear 18 after reducing speed through first reduction gear 18, thereby drive first chain 24 and rotate, thereby make fork leg 4 slide between two slide bars 3, thereby realize the function of raising, when the height that needs to raise is higher, start second servo motor 19, second servo motor 19 will order about the chain wheel of installation on the second reduction gear 20 after reducing speed through second reduction gear 20, this chain wheel will drive second chain 26 and rotate, second chain 26 will stimulate second dead lever 27 and slide on the preceding terminal surface of two fixed poles 2, thereby realize slide bar 3 and rise or descend on the preceding terminal surface of fixed pole 2, thereby further raise the height.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A stabilize steering chassis for piling high car, includes automobile body (1) and decides pole (2), its characterized in that: the vehicle body (1) is fixedly connected with the fixed rod (2), a steering wheel (5) and a driving wheel (6) are respectively arranged below the vehicle body (1), one side of the steering wheel (5) is provided with an axle (7), and the axle (7) is rotationally connected with the steering wheel (5), one end of the axle (7) is provided with a steering shaft (8), and the steering shaft (8) is welded with the axle (7), the outer side of the steering shaft (8) is provided with a claw (9), the claw (9) is rotatably connected with the steering shaft (8) through a bearing, a lateral pull rod (12) is arranged above the claw (9), the horn (9) and the vehicle body (1) are rotationally connected with the lateral pull rod (12) through bearings, macpherson suspension (10) are installed to the top of goat's horn (9), goat's horn (9) and automobile body (1) all with Macpherson suspension (10) fixed connection.

2. A stable steering chassis for a fork lift truck as defined in claim 1, wherein: turn to bulb (11) is installed to the top of steering spindle (8), and turns to bulb (11) and steering spindle (8) fixed connection, turn to tie rod (13) is installed to one side of bulb (11), and turns to tie rod (13) and turns to bulb (11) fixed connection, turn to slide bar (14) is installed to the top of tie rod (13), and turns to slide bar (14) and turns to tie rod (13) fixed connection, turn to slide bar (14) and automobile body (1) sliding connection.

3. A stable steering chassis for a fork lift truck as claimed in claim 2, wherein: an air cylinder (15) and an air pump (16) are respectively installed inside the vehicle body (1), the air cylinder (15) and the air pump (16) are fixedly connected with the vehicle body (1), and the air cylinder (15) is fixedly connected with the steering sliding rod (14).

4. A stable steering chassis for a fork lift truck as defined in claim 1, wherein: first servo motor (17) and second servo motor (19) are installed respectively to the inside of automobile body (1), and first servo motor (17) and second servo motor (19) all with automobile body (1) fixed connection, first reduction gear (18) are installed to one side of first servo motor (17), and first reduction gear (18) pass through shaft coupling fixed connection with first servo motor (17), second reduction gear (20) are installed to one side of second servo motor (19), and second reduction gear (20) pass through shaft coupling fixed connection with second servo motor (19), the internally mounted of automobile body (1) has AGV navigator (21), and AGV navigator (21) and automobile body (1) fixed connection, first servo motor (17) and second servo motor (19) all with AGV navigator (21) electric connection.

5. A stable steering chassis for a fork lift truck as defined in claim 1, wherein: decide one side of pole (2) and install slide bar (3), and slide bar (3) and decide pole (2) sliding connection, first dead lever (22) are installed to one side of slide bar (3), and first dead lever (22) and slide bar (3) fixed connection, fork leg (4) are installed to one side of slide bar (3), and fork leg (4) and slide bar (3) sliding connection.

6. A stable steering chassis for a fork lift truck according to claim 5, wherein: second dead lever (27) is installed to one side of slide bar (3), and second dead lever (27) and slide bar (3) fixed connection, first pulley case (23) is installed to the top of first dead lever (22), and first pulley case (23) and first dead lever (22) fixed connection, the below of first pulley case (23) is provided with first chain (24), first chain (24) and fork leg (4) fixed connection, second pulley case (25) is installed to one side of dead lever (2), and second pulley case (25) and dead lever (2) fixed connection, the below of second pulley case (25) is provided with second chain (26), and second chain (26) and second dead lever (27) fixed connection.