CN220149132U

CN220149132U - Guide rail type hydraulic lifter

Info

Publication number: CN220149132U
Application number: CN202321578525.4U
Authority: CN
Inventors: 陈家辉
Original assignee: Discochemical Industry Group Yichang Co ltd
Current assignee: Discochemical Industry Group Yichang Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-12-08
Anticipated expiration: 2033-06-19

Abstract

The utility model relates to a guide rail type hydraulic lifter, which comprises a bottom plate, wherein a pair of folding frames are arranged at the center of the top surface of the bottom plate, a hydraulic cylinder is further arranged on a bracket of each folding frame, oil injection holes on the hydraulic cylinder are connected with an oil injection pump through high-pressure oil pipes, a workbench is horizontally arranged on the top surface of each folding frame, anti-slip components are respectively arranged on the end surfaces of two ends of the workbench, a pair of guide components are vertically arranged on the top surface of the bottom plate, and the guide components are respectively arranged on two sides of each folding frame, and are movably clamped with the end surfaces of the guide components; utilize skid-proof assembly to strengthen the security performance of this structure, utilize the pawl structure promptly to jack up the workstation to certain altitude after, this platform can make its and support arm mutual butt because of the spacing effect of pawl and four support arms each other joint to rely on equipment wholly to carry out auxiliary stay, can guarantee stationarity, can prevent again to rock because of too concentrated of a certain side article in-process that rises, excellent in use effect.

Description

Guide rail type hydraulic lifter

Technical Field

The utility model relates to the technical field of hydraulic lifting equipment, in particular to a guide rail type hydraulic lifter.

Background

In mechanical forging production, the hydraulic lifter has a wide application range, can be used for lifting heavy objects and also can be used for a climbing platform for manual overhaul, and the guide rail type hydraulic lifter is mainly driven by one to two hydraulic cylinders.

The existing hydraulic lifter usually depends on a bracket for auxiliary support, but because the gravity center of the top surface of the goods is shifted, the top supporting plate is easy to shake in the lifting process, and the normal transportation of the goods is affected; moreover, when the hydraulic lifter works at a specified height, the hydraulic cylinder is completely relied on for supporting, the born pressure is large, if the hydraulic system breaks down at the moment to cause pressure relief, the supporting plate at the top can rapidly move downwards along with the hydraulic cylinder, and certain potential safety hazards exist.

Disclosure of Invention

Based on the above description, the utility model provides a guide rail type hydraulic lifter, which solves the defects that the existing hydraulic lifter is easy to be placed by goods in the lifting process, so that the gravity center is deviated, shaking occurs in the lifting process, and if a hydraulic system breaks down in the supporting process, a supporting plate at the top can move downwards along with a hydraulic cylinder rapidly, so that safety accidents are caused.

The utility model is realized by the following technical scheme:

the utility model provides a guide tracked hydraulic elevator, includes the bottom plate, the center department of bottom plate top surface is equipped with a pair of folding leg, still be equipped with the pneumatic cylinder on the support of folding leg, the oil filler point on the pneumatic cylinder is connected in the oiling pump through high-pressure oil pipe, the workstation has been arranged to the top surface level of folding leg, the terminal surface at workstation both ends is equipped with anti-skidding subassembly respectively, the bottom plate top surface is still vertical to be provided with a pair of guide assembly, just guide assembly is located the both sides of folding leg respectively and arranges, anti-skidding subassembly and the terminal surface activity joint with guide assembly.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the folding frame is formed by connecting a plurality of groups of metal brackets which are arranged in an X shape, and the centers of every two adjacent groups of metal brackets and the metal brackets are connected and fixed by inserting shafts.

Further, the guide assembly comprises four support arms vertically arranged on the bottom plate, one surface, opposite to the two metal arms, arranged on the same side is fixedly connected through a plurality of cross-arranged rib plates, and one surface, facing the center of the bottom plate, of each support arm is vertically provided with a sliding groove.

Further, the antiskid component comprises a convex connecting piece fixedly installed at four corners of the workbench, a protruding portion located at the center of the end face of the connecting piece is movably assembled with the sliding groove through a groove structure on the side wall, mounting grooves are further formed in two sides of the end face of the top end of the connecting piece, a clamping block is movably installed in each mounting groove, and the end face of the clamping block is abutted to the side wall of the supporting arm.

Furthermore, the support arm still is equipped with the dentate groove towards the one side of folding leg, the tip of fixture block is equipped with a plurality of pawls and joint in dentate groove inside.

Further, the other end of the clamping block extends towards the center of the workbench and is provided with racks, toothed parts on two racks in the same plane are oppositely arranged and are provided with gears in the middle, the side wall of the workbench is provided with a driving motor, the center of the gear is provided with a transmission shaft, and the transmission shaft longitudinally penetrates through a plurality of gears to the outside of the workbench to be in transmission connection with the driving motor.

Further, the four corners of the bottom plate are also respectively provided with rollers, movable supports are arranged on two sides of each roller, the top surface of the bottom plate is provided with an air cylinder, and the air cylinder penetrates through the bottom plate and is fixedly connected with the top of each movable support.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:

the utility model adopts a guide rail conveying mode, so that the lifting process is more stable, even if goods are intensively placed on one side, the workbench on the top surface of the lifter can be prevented from overturning or swinging by virtue of the limiting effect of the sliding rail, and the safety performance of the structure is enhanced by utilizing the anti-skid component, namely, after the workbench is lifted to a certain height by utilizing a pawl structure, the platform can be mutually clamped with four supporting arms by virtue of the limiting effect of the pawl, so that the platform is connected with the whole equipment into a whole, the bearing range is enlarged by utilizing the bottom, the independent stress of a hydraulic cylinder is avoided, and the structure can be fixed at a high position by virtue of the non-return effect of the pawl even if the hydraulic cylinder suddenly breaks down and rapidly releases pressure when lifted to a high position, so that the safety performance is high.

Drawings

FIG. 1 is a schematic view showing the structure of a base plate, a folding frame and a workbench in the embodiment;

FIG. 2 is a schematic view of the anti-skid assembly according to the present embodiment;

fig. 3 is a schematic structural view of a rack, a pinion and a drive shaft in the present embodiment;

fig. 4 is a schematic structural view of the roller, the cradle and the cylinder in the present embodiment;

FIG. 5 is a side view of a single folding leg and hydraulic cylinder in this embodiment;

wherein: 1. a bottom plate; 2. a folding frame; 3. a work table; 4. a hydraulic cylinder; 5. a guide assembly; 51. a support arm; 52. a chute; 6. an anti-slip assembly; 61. a connecting piece; 62. a mounting groove; 63. a clamping block; 64. a pawl; 65. a rack; 66. a gear; 67. a transmission shaft; 7. a roller; 8. a movable support; 9. and (3) a cylinder.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Embodiments of the utility model are illustrated in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1-5, a rail-type hydraulic elevator includes:

the bottom plate 1 is a rectangular metal plate, the center of the top surface of the bottom plate is provided with a pair of folding frames 2, and the folding frames 2 are formed by mutually intersecting and hinging a plurality of metal rods;

the workbench 3 is horizontally arranged right above the bottom plate 1 and is movably connected with the top end of the folding frame 2;

the hydraulic cylinders 4 are provided with a plurality of hydraulic cylinders and are fixedly arranged on the folding frame 2, and the folding frame 2 is driven to lift mainly through the movement of the telescopic ends;

the guide components 5 are vertically arranged on the bottom plate 1 and are arranged at two sides of the folding frame 2, and the ascending stability of the workbench 3 is improved in a limit guide mode, so that the workbench is prevented from shaking;

the anti-slip component 53 is arranged on the side wall of the workbench 3 and is in limiting clamping connection with the guide component 5, so that the defect that the workbench 3 descends to cause a safety accident due to pressure release of the hydraulic cylinder 4 when the workbench 3 works at a high position is avoided, and meanwhile, the force born by the workbench 3 can be transmitted to the bottom plate 1 in a clamping connection mode, and the bearing pressure of the hydraulic cylinder 4 is relieved.

Specifically, the method comprises the following steps; the guiding component 5 comprises supporting arms 51 arranged at four corners of the top surface of the bottom plate 1, the supporting arms 51 are in a group, and are fixedly connected through a plurality of inclined rib plates, and a chute 52 is further arranged on one surface of the supporting arm 51 facing the center of the bottom plate 1.

The anti-slip component 53 is a connecting piece 61 in a shape of a convex, the protruding part on the top surface of the connecting piece 61 is inserted into the chute 52 in a sliding way, and the side wall of the protruding part and the inner wall of the chute 52 are assembled in a sliding way by adopting a vertically arranged groove structure, so that the air cylinder 9 can be subjected to the limiting effect of the anti-slip component 53 when the folding frame 2 is pushed to lift the workbench 3, and the lifting is stable in a horizontal state.

In the practical use process, because the articles are placed at random and can be excessively concentrated and piled up on one side, the utility model is also provided with the mounting groove 62 on the end face of the anti-skid component 53, the mounting groove 62 is provided with two convex parts which are respectively positioned on the end face of the anti-skid component 53, the mounting groove 62 transversely extends into the workbench 3 and is internally provided with the clamping block 63 in a sliding manner, one outwards facing surface of the clamping block 63 is provided with the plurality of pawl 64 which are obliquely downwards arranged, the surfaces of the two sides of the sliding groove 52 positioned on the end face of the supporting arm 51 are also provided with the plurality of toothed grooves, and the end parts of the pawl 64 are abutted to the inner parts of the toothed grooves, so that the pawl 64 can deflect inwards due to extrusion in the ascending process of the workbench 3, and can be smoothly lifted upwards, if the workbench 3 is unstable due to the unstable gravity center and begins to incline, the pawl 64 can be quickly abutted to the inner parts of the toothed grooves, thereby supporting the workbench 3, any one end of the workbench 3 is prevented from being excessively inclined, meanwhile, the pawl 64 can be used for auxiliary supporting, after the workbench 4 runs to a designated height, even if the workbench 3 is unloaded, the hydraulic pressure 4 is also can be directly connected with the supporting arm 51 by the supporting arm 1, and the hydraulic pressure can be more stably supported by the supporting frame 2, and the service life of the hydraulic pressure can be prolonged by the supporting mode is prolonged, and the hydraulic pressure can be more effectively supported by the supporting frame by the supporting device by the supporting arm and the supporting device.

In the descending process, the pawl 64 needs to be contracted to avoid blocking the workbench 3 from descending, so that the clamping block 63 extends inwards towards one end of the workbench 3 to form a rack 65, referring to fig. 3, the racks 65 on the two workbench 3 in the same plane are arranged at intervals up and down, one surface with tooth parts is arranged oppositely, a gear 66 is arranged between the two racks 65, the gears 66 in the middle of the multiple groups of mutually matched racks 65 are all on the same straight line and are fixedly connected through the transmission shaft 67, a driving motor is arranged on the side wall of the workbench 3, and the output end of the driving motor is in transmission connection with the end part of the transmission shaft 67, so that the clamping block 63 can be driven to move by the driving motor through remote control, and the position of the pawl 64 can be adjusted according to requirements.

In this embodiment, the four corners of the bottom plate 1 are further provided with rollers 7 respectively, and the two sides of the rollers 7 are provided with movable supports 8, the top of the bottom plate 1 is further provided with an air cylinder 9 and fixedly connected with the movable supports 8, and when the bottom plate is supported for use, the bottom plate is pushed out downwards by means of the air cylinder 9 to support in an auxiliary manner, so that the stability of the whole elevator can be enhanced, and deformation of the rollers 7 caused by excessive pressure can be avoided.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a guide tracked hydraulic elevator, its characterized in that, includes bottom plate (1), the center department of bottom plate (1) top surface is equipped with a pair of folding leg (2), still be equipped with pneumatic cylinder (4) on the support of folding leg (2), oil filler point on pneumatic cylinder (4) is connected in the oiling pump through high-pressure oil pipe, workstation (3) have been arranged to the top surface level of folding leg (2), the terminal surface at workstation (3) both ends is equipped with anti-skidding subassembly (6) respectively, bottom plate (1) top surface is still vertical to be provided with a pair of guide subassembly (5), just guide subassembly (5) are located the both sides of folding leg (2) respectively and are arranged, anti-skidding subassembly (6) and with the terminal surface activity joint of guide subassembly (5).

2. A guide rail type hydraulic lifter according to claim 1 characterized in that the folding frame (2) is formed by connecting a plurality of groups of metal brackets arranged in an X shape, and the centers of every two adjacent groups of metal brackets and the metal brackets are connected and fixed by adopting an inserting shaft.

3. A guide rail type hydraulic lifter according to claim 1, characterized in that the guide assembly (5) is composed of four support arms (51) vertically arranged on the bottom plate (1), and the opposite sides of two metal arms arranged on the same side are fixedly connected through a plurality of cross-arranged rib plates, and a chute (52) is vertically arranged on the side of the support arm (51) facing the center of the bottom plate (1).

4. A guide rail type hydraulic lifter according to claim 3, wherein the anti-slip assembly (6) comprises a convex connecting piece (61) fixedly installed at four corners of the workbench (3), a protruding portion located at the center of the end face of the connecting piece (61) is movably assembled with the sliding groove (52) through a groove structure on the side wall, mounting grooves (62) are further formed in two sides of the end face of the top end of the connecting piece (61), clamping blocks (63) are movably installed in the mounting grooves (62), and the end face of each clamping block (63) is abutted to the side wall of the supporting arm (51).

5. The guide rail type hydraulic lifter according to claim 4, wherein a tooth-shaped groove is further formed on one surface of the supporting arm (51) facing the folding frame (2), and a plurality of pawls (64) are formed at the end portions of the clamping blocks (63) and are clamped in the tooth-shaped groove.

6. A guide rail type hydraulic lifter according to claim 5, characterized in that the other end of the clamping block (63) extends toward the center of the table (3) and is formed with racks (65), toothed portions on two racks (65) located in the same plane are arranged oppositely and are provided with gears (66) in the middle, the side wall of the table (3) is provided with a driving motor, the center of the gears (66) is provided with a transmission shaft (67), and the transmission shaft (67) longitudinally penetrates through the plurality of gears (66) to the outside of the table (3) to be in transmission connection with the driving motor.

7. The guide rail type hydraulic lifter according to claim 1, wherein the four corners of the bottom plate (1) are further provided with rollers (7) respectively, two sides of each roller (7) are provided with movable supports (8), the top surface of the bottom plate (1) is provided with an air cylinder (9), and the air cylinder (9) penetrates through the bottom plate (1) and is fixedly connected with the top of each movable support (8).