CN210313304U

CN210313304U - Disconnect-type hydraulic jack

Info

Publication number: CN210313304U
Application number: CN201921044337.7U
Authority: CN
Inventors: 匡京宁; 匡荣美
Original assignee: Taizhou Rongmei Hydraulic Machinery Mfg Co ltd
Current assignee: Jiangsu Rongmei Hydraulic Equipment Manufacturing Co.,Ltd.
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-04-14
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a separate hydraulic jack, which comprises an electric pump, wherein the electric pump is connected with a hydraulic oil cylinder through a high-pressure oil pipe, a check valve is arranged between the high-pressure oil pipe and the hydraulic oil cylinder, a shutoff valve is arranged between the high-pressure oil pipe and the electric pump, the upper end surface of the top column of the hydraulic oil cylinder is provided with a self-adaptive bearing platform, the self-adaptive bearing platform comprises a cylindrical groove arranged on the upper end surface of the top column, a fixed block matched with the profile of the groove is rotatably embedded in the groove, a U-shaped bracket in the vertical direction is arranged in the center of the fixed block, each rotating shaft is provided with an adjusting gear, the fixed blocks are symmetrically provided with upright posts at two sides of the U-shaped bracket, the side walls of the upright posts are symmetrically provided with two guide chutes, the gliding cover of stand is equipped with a support section of thick bamboo, support a section of thick bamboo inner wall and be equipped with the slide rail with direction spout looks adaptation. The utility model discloses a disconnect-type hydraulic jack, when the heavy object operation of surface irregularity, the jack-up in-process is more stable, and the atress is balanced.

Description

Disconnect-type hydraulic jack

Technical Field

The utility model relates to a jack, concretely relates to disconnect-type jack.

Background

The hydraulic jack is driven by a hydraulic pump driven by manpower or electric power, and is driven by a hydraulic system, and a cylinder body or a piston is used as a jacking piece. The separated hydraulic jack is separated from the hydraulic pump, the middle is connected with a high-pressure hose, the separated hydraulic jack comprises a cylinder body and a piston rod, the cylinder body is provided with an oil hole, the bottom end of the cylinder body is supported on the ground, the upper end of the piston rod is provided with a piston head, when the hydraulic pump supplies oil to the cylinder body, the piston rod moves outwards along the direction of the cylinder body, after the piston head lifts equipment to be lifted to a preset height, the equipment is locked by a hydraulic lock in an oil way, the lifting height of the equipment is ensured, the hydraulic jack has a compact structure, can stably lift heavy objects, works stably, has a self-locking function and high transmission efficiency, is widely applied to occasions such as lifting heavy engineering machinery, large components, railway and bridge engineering erection, wherein the separated jack is a jack with a power device and a supporting device separated from each other, is divided into a manual jack and an electric jack, both adopt a hydraulic, when the jack jacks up the heavy object, the heavy object is damaged, and the heavy object is not stable.

Disclosure of Invention

The purpose of the invention is as follows: an object of the utility model is to prior art not enough, provide a disconnect-type hydraulic jack, facilitate the use.

The technical scheme is as follows: the utility model relates to a separate hydraulic jack, which comprises an electric pump, wherein the electric pump is connected with a hydraulic oil cylinder through a high-pressure oil pipe, a check valve is arranged between the high-pressure oil pipe and the hydraulic oil cylinder, a stop valve is arranged between the high-pressure oil pipe and the electric pump, the upper end surface of a top post of the hydraulic oil cylinder is provided with an adaptive bearing platform, the adaptive bearing platform comprises a cylindrical groove arranged on the upper end surface of the top post, a fixed block matched with the outline of the fixed block is embedded in the groove in a rotating way, a U-shaped bracket in the vertical direction is arranged in the center of the fixed block, two end parts of the U-shaped bracket are connected to the surface of the fixed block, a plurality of rotating shafts in the horizontal direction are arranged between two opposite inner walls of the U-shaped bracket, each rotating shaft is provided with an adjusting gear, the fixed block is arranged, the gliding cover of stand is equipped with a support section of thick bamboo, a support section of thick bamboo inner wall is equipped with the slide rail with direction slide groove looks adaptation, a support section of thick bamboo outer wall is equipped with along its axial direction's rack, and the rack toothing transmission of each adjusting gear rather than both sides, be equipped with reset spring between support section of thick bamboo top inner wall and the stand, a support section of thick bamboo top outer wall is equipped with the cushion.

The high-pressure oil pipe is connected with the check valve and the shutoff valve through oil pressure quick connectors, a shock-absorbing rubber pad is arranged on the upper surface of the fixing block and located at the position of the upright column, and the diameter of the rotating shaft is one third to one half of the diameter of the root circle of the adjusting gear.

The jack-post lateral wall surface sets up the screw hole that link up to the recess, threaded hole is equipped with locking bolt, the adjusting gear is equipped with 2 ~ 4.

And flange baffles for covering the tooth grooves of the adjusting gears are arranged on two side surfaces of the rack, and a plurality of reinforcing ribs are arranged between two opposite inner walls of the U-shaped support.

The reset spring is a cylindrical spring, the end face of the cushion block is coated with a hard rubber layer, and the rotating shafts are sequentially arranged in the vertical direction from top to bottom.

The self-adaptation bearing platform is equipped with 2 ~ 4, be equipped with rotary damper between adjustment gear and the pivot.

Has the advantages that: the utility model discloses a disconnect-type hydraulic jack, during the use, the electric pump starts, hydraulic cylinder's fore-set lifting, the self-adaptation bearing platform when the fore-set terminal surface contacts the heavy object surface, because the heavy object surface has high-low order face, the cushion that touches the heavy object surface earlier can be oppressed and the downstream, the rack that the cushion of downstream one side drove this collateral branch supporting cylinder outer wall removes, drive each adjusting gear and rotate, flange baffle on the rack can prevent its and adjusting gear derail, the rack rebound of pivoted adjusting gear drive opposite side, and then drive this collateral branch supporting cylinder and cushion and upwards withstand the heavy object surface until balanced, can also adjust the angle of self-adaptation bearing platform through rotating the fixed block, to the heavy object of surface irregularity, the jack-up in-process is more stable, and the atress is balanced.

Drawings

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

FIG. 2 is a schematic structural view of the adaptive bearing platform of the present invention;

FIG. 3 is a cross-sectional view of the support cylinder of the present invention;

fig. 4 is a schematic structural view of the U-shaped bracket of the present invention.

Detailed Description

The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.

As shown in fig. 1 to 4, the utility model relates to a separated hydraulic jack, which comprises an electric pump 1, the electric pump 1 is connected with a hydraulic cylinder 3 through a high-pressure oil pipe 2, a check valve 4 is arranged between the high-pressure oil pipe 2 and the hydraulic cylinder 3, a cut-off valve 5 is arranged between the high-pressure oil pipe 2 and the electric pump 1, the upper end surface of a top column 6 of the hydraulic cylinder 3 is provided with a self-adapting bearing platform, the self-adapting bearing platform comprises a cylindrical groove 7 arranged on the upper end surface of the top column 6, a fixed block 8 which is matched with the outline of the groove 7 is embedded in the groove in a rotating way, a U-shaped bracket 9 in the vertical direction is arranged in the center of the fixed block 8, two end parts of the U-shaped bracket 9 are connected with the surface of the fixed block 8, a plurality of rotating shafts 10 in the horizontal direction are arranged between two inner walls of the U-, two guide chutes 13 are symmetrically formed in the side wall of the upright post 12, a support cylinder 14 is sleeved on the upright post 12 in a sliding manner, a sliding rail 15 matched with the guide chutes 13 is arranged on the inner wall of the support cylinder 14, a rack 16 along the axial direction of the support cylinder 14 is arranged on the outer wall of the support cylinder 14, each adjusting gear 11 is in meshing transmission with the racks 16 on the two sides of the adjusting gear, a return spring 17 is arranged between the inner wall of the top of the support cylinder 14 and the upright post 12, and a cushion block 18 is arranged on the outer wall.

The high-pressure oil pipe 2 is connected with the check valve 4 and the shutoff valve 5 through oil pressure quick connectors, a shock absorption rubber pad 19 is arranged on the upper surface of the fixing block 8 at the position of the upright post 12, and the diameter of the rotating shaft 10 is one third to one half of the diameter of the root circle of the adjusting gear 11.

The threaded hole that link up to recess 7 is seted up on the lateral wall surface of fore-set 12, and threaded hole is equipped with locking bolt 20, and adjusting gear 11 is equipped with 2 ~ 4.

Two side surfaces of the rack 16 are provided with flange baffles 21 for covering tooth grooves of the adjusting gear 11, and a plurality of reinforcing ribs 22 are arranged between two opposite inner walls of the U-shaped bracket 9.

The reset spring 17 is a cylindrical spring, the end face of the cushion block 18 is coated with a hard rubber layer, and the rotating shafts 10 are sequentially arranged in the vertical direction from top to bottom.

The self-adaptation bearing platform is equipped with 2 ~ 4, is equipped with rotary damper between adjusting gear 11 and the pivot 10.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A disconnect-type hydraulic jack which characterized in that: the device comprises an electric pump, the electric pump is connected with a hydraulic oil cylinder through a high-pressure oil pipe, a check valve is arranged between the high-pressure oil pipe and the hydraulic oil cylinder, a shutoff valve is arranged between the high-pressure oil pipe and the electric pump, the upper end face of a top column of the hydraulic oil cylinder is provided with a self-adaptive bearing platform, the self-adaptive bearing platform comprises a cylindrical groove arranged on the upper end face of the top column, a fixed block matched with the profile of the fixed block is embedded in the groove in a rotating way, the center of the fixed block is provided with a U-shaped bracket in the vertical direction, two end parts of the U-shaped bracket are connected to the surface of the fixed block, a plurality of rotating shafts in the horizontal direction are arranged between two opposite inner walls of the U-shaped bracket, each rotating shaft is provided with an adjusting gear, the fixed block is symmetrically arranged on, the inner wall of the supporting cylinder is provided with a sliding rail matched with the guide sliding groove, the outer wall of the supporting cylinder is provided with racks along the axial direction of the supporting cylinder, each adjusting gear is in meshed transmission with the racks on two sides of the adjusting gear, a reset spring is arranged between the inner wall of the top of the supporting cylinder and the stand column, and the outer wall of the top of the supporting cylinder is provided with a cushion block.

2. The breakaway hydraulic jack of claim 1, wherein: the high-pressure oil pipe is connected with the check valve and the shutoff valve through oil pressure quick connectors, a shock-absorbing rubber pad is arranged on the upper surface of the fixing block and located at the position of the upright column, and the diameter of the rotating shaft is one third to one half of the diameter of the root circle of the adjusting gear.

3. The breakaway hydraulic jack of claim 1, wherein: the jack-post lateral wall surface sets up the screw hole that link up to the recess, threaded hole is equipped with locking bolt, the adjusting gear is equipped with 2 ~ 4.

4. The breakaway hydraulic jack of claim 1, wherein: and flange baffles for covering the tooth grooves of the adjusting gears are arranged on two side surfaces of the rack, and a plurality of reinforcing ribs are arranged between two opposite inner walls of the U-shaped support.

5. The breakaway hydraulic jack of claim 1, wherein: the reset spring is a cylindrical spring, the end face of the cushion block is coated with a hard rubber layer, and the rotating shafts are sequentially arranged in the vertical direction from top to bottom.

6. The breakaway hydraulic jack of claim 1, wherein: the self-adaptation bearing platform is equipped with 2 ~ 4, be equipped with rotary damper between adjustment gear and the pivot.