CN210133842U

CN210133842U - Bidirectional telescopic guide rail type hydraulic elevator

Info

Publication number: CN210133842U
Application number: CN201920891308.8U
Authority: CN
Inventors: 陈琪
Original assignee: Suzhou Sino Swiss Lifting Machinery Co Ltd
Current assignee: Suzhou Sino Swiss Lifting Machinery Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-03-10
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a two-way flexible guide tracked hydraulic lift, include bottom plate, mounting panel, backup pad and cut the formula crotch, the upside four corners welding of bottom plate has the guide rail, it includes a plurality of bracing piece to cut the formula crotch, the middle part of bracing piece is articulated through first round pin axle, the tip of bracing piece is articulated through second round pin axle, the mid-mounting of bottom plate has the pneumatic cylinder, the push rod of pneumatic cylinder is articulated with the first round pin axle of below, both sides welding has first limiting plate around the mounting panel, be equipped with first rectangular hole on the first limiting plate, first rectangular hole sliding connection has the first connecting rod that runs through, first connecting rod is articulated with the lower extreme of cutting the formula crotch, the gyro wheel is installed to the tip of first connecting rod, the bottom side and the mounting panel contact of gyro wheel. The utility model discloses the holding power that the backup pad received remains the symmetry all the time, and the atress is even, and stability is high, can prevent that the backup pad pressurized from warping.

Description

Bidirectional telescopic guide rail type hydraulic elevator

Technical Field

The utility model relates to the technical field of elevators, specifically a two-way flexible guide tracked hydraulic lift.

Background

The scissor lift is a lifting device with wide application, and the scissor mechanical structure of the scissor lift enables the lifting platform to have higher stability, a wide operation platform and higher bearing capacity, and is suitable for simultaneous operation of multiple persons or lifting of heavy objects. The scissor fork frame of the scissor lift is generally hinged on one side, slides in a ring groove on the other side, and is in one-way expansion and contraction, in the lifting process, the stress point of a bearing platform moves to one side, and if a heavy object on the bearing platform is heavy, the bearing platform is easy to be stressed unevenly and deform.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way flexible guide tracked hydraulic lift to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bidirectional telescopic guide rail type hydraulic elevator comprises a bottom plate, a mounting plate, a supporting plate and a scissor fork, wherein guide rails are welded at four corners of the upper side of the bottom plate, the scissor fork comprises a plurality of supporting rods, the middle parts of the supporting rods are hinged through first pin shafts, the end parts of the supporting rods are hinged through second pin shafts, a hydraulic cylinder is mounted at the middle part of the bottom plate, a push rod of the hydraulic cylinder is hinged with the first pin shaft below, first limiting plates are welded at the front side and the rear side of the mounting plate, first strip holes are formed in the first limiting plates, a first connecting rod penetrating through the first strip holes is connected in a sliding mode, the first connecting rod is hinged with the lower end of the scissor fork, a first roller is mounted at the end part of the first connecting rod, the bottom side of the first roller is in contact with the mounting plate, second limiting plates are welded at the lower side of the supporting, and the guide wheel is arranged in the mounting frame and is clamped with the groove of the guide rail.

Preferably, the four corners of the bottom of the mounting plate are welded with stand columns, the lower ends of the stand columns are welded with the upper side of the bottom plate, and the scissor fork frames are provided with two groups.

Preferably, a round hole is formed in the middle of the mounting plate, and the hydraulic cylinder penetrates through the round hole.

Preferably, the first limiting plate is provided with four and is symmetrically arranged, and two ends of the first connecting rod are hinged to the two scissor-type forks respectively.

Preferably, a second strip hole is formed in the second limiting plate, a penetrating second connecting rod is connected in the second strip hole in a sliding mode, the second connecting rod is hinged to the scissor fork, and second rollers are mounted at two ends of the second connecting rod.

Preferably, the guide rails are channel steel, and reinforcing rods are welded between the guide rails.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the pneumatic cylinder promotes the first connecting rod rebound of lower extreme during the use, and two first connecting rods move to the centre and draw close to two second connecting rods remove to the centre in step, the backup pad is by the jacking, because the both sides of cutting the formula crotch are synchronous incorgruous flexible, be two-way flexible promptly, remain the symmetry all the time to the holding power of backup pad, therefore the backup pad atress is even, and stability is high, can prevent that the backup pad pressurized from warping.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a base plate; 2. mounting a plate; 3. a hydraulic cylinder; 4. a guide rail; 5. a support plate; 6. a second limiting plate; 7. a second elongated hole; 8. a second link; 9. a scissor fork; 91. a support bar; 92. a first pin shaft; 93. a second pin shaft; 10. a second roller; 11. a mounting frame; 12. a first limit plate; 13. A first elongated hole; 14. a first link; 15. a first roller; 16. and (4) a guide wheel.

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. 1-3, the present invention provides a technical solution: a two-way flexible guide tracked hydraulic lift, includes bottom plate 1, mounting panel 2, backup pad 5 and cuts formula crotch 9, the upside four corners welding of bottom plate 1 has guide rail 4, it includes a plurality of bracing piece 91 to cut formula crotch 9, the middle part of bracing piece 91 is articulated through first round pin axle 92, the tip of bracing piece 91 is articulated through second round pin axle 93, the mid-mounting of bottom plate 1 has pneumatic cylinder 3, the push rod of pneumatic cylinder 3 is articulated with the first round pin axle 92 of below, the welding of both sides has first limiting plate 12 around mounting panel 2, be equipped with first rectangular hole 13 on first limiting plate 12, first rectangular hole 13 sliding connection has the first connecting rod 14 that runs through, first connecting rod 14 is articulated with the lower extreme of cutting formula crotch 9, first gyro wheel 15 is installed to the tip of first connecting rod 14, the bottom side and the mounting panel 2 contact of first gyro wheel 15, the welding of the downside of backup pad 5 has second limiting plate 6, the left and right sides fixedly connected with U-shaped mounting bracket 11 of backup pad 5, install guide pulley 16 in the mounting bracket 11, guide pulley 16 and guide rail 4's recess joint.

Specifically, the four corners of the bottom of the mounting plate 2 are welded with columns, the lower ends of the columns are welded with the upper side of the bottom plate 1, the scissor fork frames 9 are provided with two groups, and a first pin shaft 92 and a second pin shaft 93 are connected with the scissor fork frames 9 on the front side and the rear side.

Specifically, the middle part of the mounting plate 2 is provided with a round hole, and the hydraulic cylinder 3 penetrates through the round hole.

Specifically, the first limiting plates 12 are symmetrically arranged, and two ends of the first connecting rod 14 are hinged to the two scissor-type forks 9.

Specifically, a second elongated hole 7 is formed in the second limiting plate 6, a second connecting rod 8 penetrating through the second elongated hole 7 is connected in a sliding mode, the second connecting rod 8 is hinged to the scissor fork 9, second rollers 10 are mounted at two ends of the second connecting rod 8, and the upper side of each second roller 10 is in contact with the lower side of the supporting plate 5.

Specifically, guide rail 4 is the channel-section steel, the welding has the stiffener between the guide rail 4, and the stiffener is as an organic whole with four guide rail 4 connections, improves stability, and the quantity of stiffener is confirmed according to actual need, and the stiffener is not drawn for guaranteeing the figure succinctness to the attached drawing.

The working principle is as follows: when the lifting guide device is used, a heavy object to be lifted is placed on the supporting plate 5, the hydraulic cylinder 3 is controlled to extend gradually, the hydraulic cylinder 3 pushes the first connecting rod 14 at the lowest end to move upwards, the two first connecting rods 14 move towards the middle and get close, the first roller 15 rolls on the upper surface of the mounting plate 2, the height of the scissor fork 9 rises, the supporting plate 5 is lifted, the two second connecting rods 8 move towards the middle, the guide wheel 16 rolls in the groove of the guide rail 4, the lifting guide effect on the supporting plate 5 is started, and the supporting force on the supporting plate 5 is kept symmetrical all the time due to the fact that the two sides of the scissor fork 9 are synchronously extended in different directions, namely, in two directions.

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 two-way flexible guide tracked hydraulic lift, includes bottom plate (1), mounting panel (2), backup pad (5) and cuts formula crotch (9), its characterized in that: the upper side four corners welding of bottom plate (1) has guide rail (4), cut formula crotch (9) and include a plurality of bracing piece (91), the middle part of bracing piece (91) is articulated through first round pin axle (92), the tip of bracing piece (91) is articulated through second round pin axle (93), the mid-mounting of bottom plate (1) has pneumatic cylinder (3), the push rod of pneumatic cylinder (3) is articulated with first round pin axle (92) of below, both sides welding has first limiting plate (12) around mounting panel (2), be equipped with first rectangular hole (13) on first limiting plate (12), first rectangular hole (13) sliding connection has first connecting rod (14) that runs through, first connecting rod (14) are articulated with the lower extreme of cutting formula crotch (9), first gyro wheel (15) are installed to the tip of first connecting rod (14), the bottom side and mounting panel (2) contact of first gyro wheel (15), the welding of the downside of backup pad (5) has second limiting plate (6), mounting bracket (11) of the left and right sides fixedly connected with U-shaped of backup pad (5), install guide pulley (16) in mounting bracket (11), the recess joint of guide pulley (16) and guide rail (4).

2. The bidirectional telescopic guide rail type hydraulic elevator according to claim 1, characterized in that: the welding of the bottom four corners of mounting panel (2) has the stand, the lower extreme of stand and the upside welding of bottom plate (1), cut formula crotch (9) and be equipped with two sets ofly.

3. The bidirectional telescopic guide rail type hydraulic elevator according to claim 1, characterized in that: the middle part of mounting panel (2) is equipped with the round hole, pneumatic cylinder (3) are run through from the round hole.

4. The bidirectional telescopic guide rail type hydraulic elevator according to claim 1, characterized in that: the first limiting plates (12) are four and symmetrically arranged, and two ends of the first connecting rod (14) are hinged to the two scissor-type forks (9) respectively.

5. The bidirectional telescopic guide rail type hydraulic elevator according to claim 1, characterized in that: be equipped with second rectangular hole (7) on second limiting plate (6), sliding connection has second connecting rod (8) that run through in second rectangular hole (7), second connecting rod (8) are articulated with cutting formula crotch (9), second gyro wheel (10) are installed at the both ends of second connecting rod (8).

6. The bidirectional telescopic guide rail type hydraulic elevator according to claim 1, characterized in that: the guide rails (4) are channel steel, and reinforcing rods are welded between the guide rails (4).