CN215402848U

CN215402848U - Large-stroke height-adjustable horizontal jack

Info

Publication number: CN215402848U
Application number: CN202121805721.1U
Authority: CN
Inventors: 沈如林
Original assignee: Shandong Qiyang Tools Co ltd
Current assignee: Shandong Qiyang Tools Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-04
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a large-stroke height-adjustable horizontal jack, which belongs to the technical field of horizontal jacks and comprises a supporting box, wherein a lifting structure and a bearing device are arranged on the supporting box, and the inner side of the lifting structure is connected with the bearing device. The utility model discloses a, the user can rotate the bearing seat and rise or descend according to the high pulling bearing seat of jack-up object, the pulling and suitable back of opening the height of object, rotatory bearing seat inserts the backup pad corresponding support inslot portion, support the groove this moment and can provide stable support to the bearing seat through the backup pad, it can drive the bearing seat and rise to start elevation structure, can contact with the object and drive the object after the bearing seat risees and rise, and then accomplish the jack-up to the object, the in-process because bearing device's height can be adjusted, let the device can be applicable to the object of co-altitude, the condition that needs the bed hedgehopping when avoiding the user takes place, promote the stability of jack-up.

Description

Large-stroke height-adjustable horizontal jack

Technical Field

The utility model relates to the technical field of horizontal jacks, in particular to a large-stroke height-adjustable horizontal jack.

Background

The jack is light and small lifting equipment which takes a rigid jacking piece as a working device and jacks a heavy object through a top bracket or a bottom supporting claw within a small stroke. The jack is mainly used for the departments of factories, mines, transportation and the like as vehicle repair, other lifting, supporting and the like. The structure is light, firm, flexible and reliable, and can be carried and operated by one person.

At present, the lifting height of a horizontal jack on the market is limited, when some objects with higher heights are met, the bottom of the horizontal jack needs to be lifted, the objects can be effectively lifted, the horizontal jack after being lifted is unstable in support and easy to deviate, so that danger is caused, and the horizontal jack with the adjustable large stroke height is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a large-stroke height-adjustable horizontal jack.

In order to solve the above problems, the present invention adopts the following technical solutions.

The large-stroke height-adjustable horizontal jack comprises a supporting box, wherein a lifting structure and a bearing device are arranged on the supporting box, and the inner side of the lifting structure is connected with the bearing device.

As a further description of the above technical solution:

the lifting structure comprises two hydraulic push rods, wherein one ends of the two hydraulic push rods, which are opposite to each other, are all inserted into the supporting box, two moving rods are fixedly connected to the opposite ends of the hydraulic push rods, two bearing arms are hinged to the moving rods, and the other ends of the bearing arms are hinged to the bearing devices.

As a further description of the above technical solution:

the bearing device comprises a limiting rod, the bottom end of the limiting rod is fixedly connected with a supporting box, the limiting rod is sleeved with the bearing box, the front and the back of the bearing box are respectively hinged with four bearing arms, supporting grooves which are arranged at equal intervals are formed in the left side and the right side of the bearing box, the limiting rod is sleeved with a bearing seat, a supporting plate is fixedly connected to the bottom of the bearing seat, and the bottom of the supporting plate is respectively contacted with the inner walls of the two supporting grooves.

As a further description of the above technical solution:

the bottom of backup pad is pegged graft and is had two locking pieces, two the equal fixedly connected with spring in top of locking piece, the other end of spring all with backup pad fixed connection, support the inner wall in groove and seted up the locking groove, two the bottom of locking piece contacts with the inner wall in two locking grooves respectively.

As a further description of the above technical solution:

the bottom of supporting the box is provided with four universal wheels, four the top of universal wheel all is installed on supporting the box.

As a further description of the above technical solution:

the front and the back of the supporting box are fixedly connected with two transverse plates, the four transverse plates are inserted with screw rods in threaded connection, and the bottoms of the four screw rods are rotatably connected with anti-skid plates.

Compared with the prior art, the utility model has the advantages that:

this scheme is when jack-up, can rotate behind the bearing seat, can stimulate the bearing seat and rise or descend, the pulling and suitable back of opening the body height, rotatory bearing seat inserts the backup pad corresponding support inslot portion, support the groove this moment and can provide stable support to the supporting seat through the backup pad, and then accomplish the purpose to load-carrying device altitude mixture control, let the device can be applicable to the object of co-altitude, the condition that needs the bed hedgehopping when avoiding the user takes place, when the practicality of improving the device, promote the stability of jack-up.

Drawings

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

FIG. 2 is a subjective chart of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a subjective view of the load bearing device of the present invention;

figure 5 is a cross-sectional view of the load carrier of the present invention.

The reference numbers in the figures illustrate:

1. a support box; 2. a lifting structure; 201. a hydraulic push rod; 202. a travel bar; 203. a load-bearing arm; 3. a load bearing device; 301. a limiting rod; 302. a load-bearing box; 303. a support groove; 304. a load bearing seat; 305. a support plate; 4. a locking block; 5. a spring; 6. a locking groove; 7. a universal wheel; 8. a transverse plate; 9. a screw rod; 10. an antiskid plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention;

referring to fig. 1 to 5, in the present invention: the large-stroke height-adjustable horizontal jack comprises a supporting box 1, wherein a lifting structure 2 and a bearing device 3 are arranged on the supporting box 1, and the inner side of the lifting structure 2 is connected with the bearing device 3.

According to the utility model, when a user places the supporting box 1 at the bottom of an object to be lifted, the user can adjust the height of the bearing device 3 until the bearing device 3 is close to the object, then the lifting structure 2 is started, the lifting structure 2 can drive the bearing device 3 to rise, the bearing device 3 can be contacted with the object after rising and drive the object to rise, and then the object is lifted.

Please refer to fig. 1-3, wherein: lifting structure 2 includes two hydraulic pressure push rod 201, and two hydraulic pressure push rod 201's the mutually opposite one end all pegs graft on supporting box 1, and the equal fixedly connected with carriage release lever 202 of two hydraulic pressure push rod 201's relative one end all articulates on two carriage release levers 202 has two bearing arms 203, and the other end of four bearing arms 203 all articulates with load bearing device 3 mutually.

In the utility model, when lifting, only two hydraulic push rods 201 need to be started simultaneously, the two hydraulic push rods 201 can drive the two moving rods 202 to approach each other, and after the two moving rods 202 approach each other, the end of the bearing arm 203 connected with the bearing device 3 can be driven to ascend, thereby realizing the purpose of driving the bearing device 3 to ascend.

Please refer to fig. 1-5, wherein: bearing device 3 includes gag lever post 301, the bottom and the support box 1 fixed connection of gag lever post 301, the cover is equipped with bearing box 302 on the gag lever post 301, bearing box 302's front and back are articulated mutually with four bearing arms 203 respectively, the support groove 303 that the equidistance was arranged is all seted up to bearing box 302's the left and right sides, the cover is equipped with bearing seat 304 on the gag lever post 301, bearing seat 304's bottom fixedly connected with backup pad 305, the bottom of backup pad 305 contacts with the inner wall of two support grooves 303 respectively.

In the utility model, after the supporting box 1 is placed at a proper position, a user can rotate the bearing seat 304, the supporting plate 305 can be separated from the supporting groove 303 and move to the inside of the bearing box 302, then the user can pull the bearing seat 304 to rise or fall according to the height of a hoisting object, after the height of the hoisting object is pulled and is proper, the bearing seat 304 is rotated to insert the supporting plate 305 into the corresponding supporting groove 303, at the moment, the supporting groove 303 can provide stable support for the bearing seat 304 through the supporting plate 305, the limiting rod 301 can limit the bearing box 302 and the bearing seat 304, after the two moving rods 202 are close to each other, the moving rod 202 can drive one end of the bearing arm 203 connected with the bearing box 302 to rise, and further drive the bearing seat 304 to rise, and after the bearing seat 304 rises, the bearing seat can be contacted with the object and drive the object to rise, so as to complete the hoisting of the object.

Please refer to fig. 4 and 5, wherein: the bottom of backup pad 305 is pegged graft and is had two locking pieces 4, the equal fixedly connected with spring 5 in top of two locking pieces 4, spring 5's the other end all with backup pad 305 fixed connection, support the inner wall in groove 303 and seted up locking groove 6, the bottom of two locking pieces 4 respectively with two inner wall contact that lock groove 6.

In the utility model, after the height of the bearing seat 304 is adjusted, the support plate 305 is rotated into the corresponding support groove 303, the locking block 4 is driven to be clamped into the locking groove 6 by the elasticity of the spring 5, so that the bearing seat 304 in the state is limited, the situation that the support plate 305 is separated from the support groove 303 during lifting is avoided, and the safety of the device is improved.

Please refer to fig. 2, in which: the bottom of supporting box 1 is provided with four universal wheels 7, and the top of four universal wheels 7 all installs on supporting box 1.

According to the utility model, the four universal wheels 7 arranged at the bottom of the supporting box 1 can facilitate a user to move the device, so that the portability of the device is improved.

Please refer to fig. 1-3, wherein: the front and the back of the supporting box 1 are fixedly connected with two transverse plates 8, the four transverse plates 8 are inserted with screw rods 9 in threaded connection, and the bottoms of the four screw rods 9 are rotatably connected with anti-skid plates 10.

According to the utility model, after a user moves the device to a proper position, the corresponding antiskid plate 10 can be driven to descend along the outer side of the support box 1 by rotating the screw rod 9 until the bottom of the antiskid plate 10 is contacted with the ground, so that the effect of limiting the support box 1 can be achieved, the situation that the device slides during lifting is avoided, and the safety of the device is improved.

The working principle is as follows: when a user places the support box 1 at the bottom of an object to be lifted, the user can rotate the bearing seat 304, the support plate 305 can be separated from the support groove 303 and move to the inside of the bearing box 302, then the user can pull the bearing seat 304 to rise or fall according to the height of the object to be lifted, after the height of the object to be lifted is pulled and is proper, the bearing seat 304 is rotated to insert the support plate 305 into the corresponding support groove 303, at this time, the support groove 303 can provide stable support for the bearing seat 304 through the support plate 305, the limiting rod 301 can limit the bearing box 302 and the bearing seat 304, simultaneously, the two hydraulic push rods 201 are started, the two hydraulic push rods 201 can drive the two moving rods 202 to approach each other, after the two moving rods 202 approach each other, the moving rods 202 can drive one end of the bearing arm 203 connected with the bearing box 302 to rise, and further drive the bearing seat 304 to rise, the bearing seat 304 can contact with the object and drive the object to rise after rising, and then accomplish the jack-up to the object, the in-process because load-carrying device 3's height can be adjusted, and then lets the device can be applicable to the object of co-altitude not, and the condition that needs the bed hedgehopping takes place when avoiding the user, when improving the practicality of device, promotes the stability of jack-up.

The above are merely preferred embodiments of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. Horizontal jack with adjustable large-stroke height, including supporting box (1), its characterized in that: the supporting box (1) is provided with a lifting structure (2) and a bearing device (3), and the inner side of the lifting structure (2) is connected with the bearing device (3).

2. The large-stroke height-adjustable horizontal jack according to claim 1, wherein: the lifting structure (2) comprises two hydraulic push rods (201), wherein the back-to-back ends of the hydraulic push rods (201) are inserted into the supporting box (1), the back-to-back ends of the hydraulic push rods (201) are connected with moving rods (202) in a fixed mode, the opposite ends of the hydraulic push rods (201) are connected with moving rods (202) in a fixed mode, the moving rods (202) are hinged to two bearing arms (203), and the other ends of the bearing arms (203) are hinged to the bearing device (3).

3. The large-stroke height-adjustable horizontal jack according to claim 2, wherein: bearing device (3) include gag lever post (301), the bottom and the support box (1) fixed connection of gag lever post (301), the cover is equipped with bearing box (302) on gag lever post (301), the front and the back of bearing box (302) are articulated mutually with four bearing arms (203) respectively, the support groove (303) that the equidistance was arranged are all seted up to the left and right sides of bearing box (302), the cover is equipped with bearing seat (304) on gag lever post (301), bottom fixedly connected with backup pad (305) of bearing seat (304), the bottom of backup pad (305) contacts with the inner wall of two support grooves (303) respectively.

4. The large-stroke height-adjustable horizontal jack according to claim 3, wherein: the bottom of backup pad (305) is pegged graft and is had two locking piece (4), two the equal fixedly connected with spring (5) in top of locking piece (4), the other end of spring (5) all with backup pad (305) fixed connection, support the inner wall in groove (303) and seted up locking groove (6), two the bottom of locking piece (4) contacts with the inner wall of two locking grooves (6) respectively.

5. The large-stroke height-adjustable horizontal jack according to claim 1, wherein: the bottom of the supporting box (1) is provided with four universal wheels (7), and the tops of the four universal wheels (7) are all installed on the supporting box (1).

6. The large-stroke height-adjustable horizontal jack according to claim 1, wherein: the front and the back of the supporting box (1) are fixedly connected with two transverse plates (8), four transverse plates (8) are inserted with screw rods (9) in threaded connection with the transverse plates, and the bottoms of the four screw rods (9) are rotatably connected with anti-skid plates (10).