CN210150660U

CN210150660U - Longitudinal stabilizing device of telescopic arm forklift

Info

Publication number: CN210150660U
Application number: CN201920373361.9U
Authority: CN
Inventors: 何承元; 程双灵
Original assignee: Anhui Haoyun Machinery Co Ltd
Current assignee: Anhui Haoyun Machinery Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2020-03-17
Anticipated expiration: 2029-03-22

Abstract

The utility model provides a vertical stabilising arrangement of telescopic boom fork truck, including connecting the stable support at telescopic boom fork truck frame front end, the both sides of stabilizing the support all are equipped with round pin hub connection frame, telescopic cylinder, stable landing leg and supporting legs, round pin hub connection frame is the side U type structure that fixed plate and a pair of round pin hub connection board constitute, the upper and lower end of a pair of round pin hub connection board is equipped with first round pin shaft hole and second round pin shaft hole respectively, be equipped with third round pin shaft hole on the supporting legs, telescopic cylinder and the first round pin axle rigid coupling of connection on first round pin shaft hole, the one end of stabilizing the landing leg and the second round pin axle rigid coupling of connection on second round pin shaft hole, telescopic cylinder and the other end of stabilizing the landing leg all with the third round pin axle rigid coupling of connection on third round pin shaft. The utility model discloses a stable landing leg and the supporting legs in stabilizing the support both sides realize lifting fork truck front tyre, realize its longitudinal stability to this provides vehicle load, reach and promotes operation performance such as height.

Description

Longitudinal stabilizing device of telescopic arm forklift

Technical Field

The utility model belongs to the technical field of fork truck, concretely relates to telescopic boom fork truck's longitudinal stabilization device.

Background

The telescopic boom forklift is indispensable hoisting equipment in various current large-scale engineering construction, the telescopic boom forklift is more and more widely applied, the telescopic boom forklift can load and unload goods to a very large high place by utilizing the extension and retraction of a large boom, meanwhile, the telescopic boom has a very long forward extending distance, the goods can be loaded and unloaded by crossing an obstacle in front of a vehicle, and when the vehicle operates, the goods gravity acts on the front end of the vehicle, so that the vehicle is easy to generate the danger of longitudinal forward extending, the longitudinal stability of the telescopic boom forklift is effectively improved, the safety of the vehicle is improved, the vehicle load can be improved, the forward extending distance and the operation performances such as the lifting height can be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a longitudinal stabilization device of telescopic boom fork truck to overcome above-mentioned technical problem.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a longitudinal stabilizing device of a telescopic boom forklift comprises a stabilizing support connected to the front end of a frame of the telescopic boom forklift, wherein a pair of supporting assemblies are symmetrically arranged on two sides of the stabilizing support by using the central line of the stabilizing support, each supporting assembly comprises a pin shaft connecting frame, a telescopic oil cylinder, a stabilizing supporting leg and a supporting leg, and each pin shaft connecting frame is of a side U-shaped structure consisting of a fixed plate fixedly connected with the stabilizing support and a pair of pin shaft connecting plates which are parallel to each other and fixedly connected to two sides of the fixed plate; the upper end and the lower end of the pair of pin roll connecting plates are respectively provided with a first pin roll hole and a second pin roll hole, the supporting legs are provided with third pin roll holes, the fixed ends of the telescopic oil cylinders are fixedly connected with first pin rolls movably connected to the first pin roll holes, one ends of the stabilizing supporting legs are fixedly connected with second pin rolls movably connected to the second pin roll holes, and the telescopic ends of the telescopic oil cylinders and the other ends of the stabilizing supporting legs are fixedly connected with third pin rolls movably connected to the third pin roll holes.

Further, stabilize the support include with vertical fixed plate, the perpendicular connection of flexible arm fork truck frame front end rigid coupling just a pair of horizontal fixed plate parallel to each other on vertical fixed plate, every the both ends of horizontal fixed plate with the vertical central line symmetry of horizontal fixed plate be equipped with a pair of with horizontal fixed plate integrated into one piece and with horizontal fixed plate forms the link fixed plate of certain angle on same horizontal plane, the fixed plate is connected on a pair of link fixed plate on a pair of horizontal fixed plate.

Furthermore, an upper position sensor is fixedly connected to the side face of any one pin shaft connecting plate in the pair of pin shaft connecting plates, and a sensor stop block which can be matched with the upper sensor is arranged on the side face of the stabilizing supporting leg.

Furthermore, the second pin shaft hole adopts a waist-shaped hole structure, and the inner side of the stabilizing support leg is located near the second pin shaft and fixedly connected with a lower position sensor.

Furthermore, the supporting legs comprise a bottom plate capable of being placed on the ground and a pair of triangular connecting plates which are fixedly connected to the bottom plate and are parallel to each other, and the third pin shaft holes are formed in the pair of triangular connecting plates.

Furthermore, the first pin shaft hole, the second pin shaft hole and the third pin shaft hole are distributed in a triangular shape.

Has the advantages that:

1. the utility model realizes the lifting of the front tire of the forklift through the stable support legs and the support legs which are connected with the two sides of the stable support, realizes the longitudinal stability of the forklift, and provides the operation performances of vehicle load, reach distance, lifting height and the like; when the forklift needs to move, the stable supporting legs and the supporting legs are retracted through the telescopic cylinder, so that the problem of longitudinal stability is solved under the condition that the driving of the forklift is not influenced; 2. the upper position sensor and the lower position sensor are used for respectively detecting whether the stabilizing supporting leg and the supporting leg completely support the ground and are completely lifted.

Drawings

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

FIG. 2 is a schematic structural view of a middle stabilizer support of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 on another side;

FIG. 4 is a schematic structural view of the present invention connected to a forklift;

in the figure:

10. stabilizing the support; 11. a vertical fixing plate; 12. a transverse fixing plate; 13. a connecting frame fixing plate; 20. a pin shaft connecting frame; 21. a fixing plate; 22. a pin shaft connecting plate; 30. a telescopic cylinder; 40. stabilizing the support legs; 50. supporting legs; 51. a base plate; 52. a triangular connecting plate; 60. a first pin shaft; 70. a second pin shaft; 80. a third pin shaft; 90. an upper position sensor; 100. a sensor stop; 110. a lower position sensor; 120. a telescopic arm forklift.

Detailed Description

In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships only for the purpose of describing the present invention and simplifying the description, but do not indicate or imply that the device or structure referred to must have a particular orientation and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 4, the longitudinal stabilizer of the telescopic forklift of the present invention is connected to the front end of the frame 120 of the telescopic forklift, and is used to enhance the longitudinal stability of the telescopic forklift when the telescopic forklift is not in use; as shown in fig. 1, the longitudinal stabilizing device comprises a stabilizing support connected to the front end of the frame of the telescopic forklift, pin shaft connecting frames, telescopic oil cylinders, stabilizing legs and supporting legs are arranged on two sides of the stabilizing support, and the pin shaft connecting frames, the telescopic oil cylinders, the stabilizing legs and the supporting legs are symmetrically arranged on two sides of the stabilizing support along the central line. As shown in fig. 1, the supporting foot includes a bottom plate capable of being placed on the ground and a pair of triangular connecting plates fixedly connected to the bottom plate and parallel to each other; as shown in fig. 2, the stabilizing support includes a vertical fixing plate fixedly connected to the front end of the frame of the telescopic forklift, and a pair of parallel horizontal fixing plates vertically connected to the vertical fixing plate, and a pair of connecting frame fixing plates integrally formed with the horizontal fixing plates and forming a certain angle with the horizontal fixing plates on the same horizontal plane are symmetrically arranged at two ends of each horizontal fixing plate with respect to the vertical center line of the horizontal fixing plate.

As shown in fig. 1, the pin connecting frame is a side U-shaped structure composed of a fixing plate fixedly connected to the connecting frame fixing plate in the stabilizing support and a pair of pin connecting plates parallel to each other and fixedly connected to both sides of the fixing plate, the upper ends of the pair of pin connecting plates are provided with corresponding first pin hole, the lower ends of the pair of pin connecting plates are provided with corresponding second pin hole, and a pair of triangular connecting plates of the supporting leg are provided with a set of corresponding third pin hole; the stiff end of flexible hydro-cylinder and swing joint carry out the rigid coupling with the first round pin axle of swing joint on first round pin shaft hole, the one end of stabilizing the landing leg carries out the rigid coupling with swing joint second round pin axle on second round pin shaft hole, the flexible end of flexible hydro-cylinder and the other end of stabilizing the landing leg all carry out the rigid coupling with swing joint third round pin axle on third round pin shaft hole.

As shown in fig. 3, an upper position sensor is fixedly connected to a side surface of any one of the pair of pin connection plates, a sensor stop block which can be matched with the upper position sensor is arranged on a side surface of the stable outrigger, when the stable outrigger is completely lifted, the sensor stop block is in contact with the upper position sensor, and at the moment, the upper position sensor generates a signal, which indicates that the stable outrigger is completely lifted, and the forklift can normally run, so that whether the stable outrigger is completely lifted can be detected by the upper position sensor; as shown in fig. 1, second round pin shaft hole adopts waist shape hole structure, the inboard of stabilizing the landing leg is located near second round pin axle rigid coupling has position sensor the utility model discloses when being in and lifting up completely, down position sensor with the contact of second round pin axle, position sensor is used for detecting down and stabilizes the landing leg and whether support ground completely, when stabilizing the landing leg and supporting legs and supporting subaerial completely, installs the distance of second round pin axle and lower position sensor in waist shape hole will increase, disconnection contact, lower position sensor produces the signal.

Therefore, the utility model discloses a use as follows: before goods are loaded and unloaded, an operator can extend the telescopic end of the telescopic oil cylinder through the operating button, the telescopic oil cylinder drives the stable supporting legs and the supporting legs to support towards the ground, so that the frame is lifted, the front tire of the forklift leaves the ground, and if the support is complete, the lower position sensor generates a signal to indicate that the longitudinal stable support is completed, and the stability of the forklift is improved; when the forklift needs to run, an operator retracts the telescopic end of the telescopic cylinder through the operating button, the telescopic oil cylinder drives the stable supporting leg and the supporting leg to leave the ground, and when the forklift is lifted completely, the upper position sensor generates a signal to indicate that the front tire of the forklift is supported on the ground, and the forklift normally runs.

In order to make the purpose, technical solution and advantages of the present invention more concise and clear, the present invention is described with the above embodiments, which are only used for describing the present invention, and can not be understood as a limitation to the scope of the present invention. It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The longitudinal stabilizing device of the telescopic boom forklift is characterized by comprising a stabilizing support (10) connected to the front end of a frame of the telescopic boom forklift, wherein a pair of supporting assemblies are symmetrically arranged on two sides of the stabilizing support by using a central line of the stabilizing support, each supporting assembly comprises a pin shaft connecting frame (20), a telescopic oil cylinder (30), a stabilizing supporting leg (40) and a supporting leg (50), and each pin shaft connecting frame is of a side U-shaped structure consisting of a fixing plate (21) fixedly connected with the stabilizing support and a pair of pin shaft connecting plates (22) which are parallel to each other and fixedly connected to two sides of the fixing plate; the upper and lower ends of the pair of pin roll connecting plates are respectively provided with a first pin roll hole and a second pin roll hole, the supporting legs are provided with third pin roll holes, the fixed ends of the telescopic oil cylinders are fixedly connected with a first pin roll (60) movably connected to the first pin roll hole, one end of each stabilizing supporting leg is fixedly connected with a second pin roll (70) movably connected to the second pin roll hole, and the telescopic ends of the telescopic oil cylinders and the other ends of the stabilizing supporting legs are fixedly connected with a third pin roll (80) movably connected to the third pin roll hole.

2. The longitudinal stabilizer of telescopic forklift truck as claimed in claim 1, wherein said stabilizer base comprises a vertical fixing plate (11) fixed to the front end of the frame of said telescopic forklift truck, a pair of parallel transverse fixing plates (12) vertically connected to the vertical fixing plate, a pair of connecting frame fixing plates (13) integrally formed with the transverse fixing plates and forming a certain angle with the transverse fixing plates on the same horizontal plane symmetrically arranged at both ends of each transverse fixing plate with respect to the vertical center line of the transverse fixing plate, said fixing plates being connected to the pair of connecting frame fixing plates on the pair of transverse fixing plates.

3. The longitudinal stabilizer of telescopic forklift truck as claimed in claim 1, wherein an upper position sensor (90) is fixed to a side of any one of said pair of pin-jointed plates, and a sensor stopper (100) is provided on a side of said stabilizer leg to be fitted with the upper sensor.

4. The longitudinal stabilizer of a telescopic boom forklift truck as claimed in claim 1, wherein said second pin hole is a waist-shaped hole structure, and a lower position sensor (110) is fixed to the inner side of said stabilizer leg near said second pin.

5. Longitudinal stabilizer for a telescopic boom forklift truck according to claim 1, characterised in that said supporting feet comprise a floor (51) which can be placed on the ground and a pair of triangular connecting plates (52) which are fastened to said floor and are parallel to each other, said third pin-hole holes being provided in said pair of triangular connecting plates.

6. The longitudinal stabilizer of a telescopic boom forklift of claim 1, wherein said first, second and third pin hole are triangularly shaped.