CN215593517U

CN215593517U - Rack type track lifting machine

Info

Publication number: CN215593517U
Application number: CN202121768993.9U
Authority: CN
Inventors: 宋凯
Original assignee: Jiaxing Lituo Machinery Co ltd
Current assignee: Jiaxing Lituo Machinery Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-21
Anticipated expiration: 2031-07-30

Abstract

The utility model provides a rack type track-lifting machine, which belongs to the technical field of track-lifting machines and comprises a machine body, a moving groove and a rack rod, wherein the moving groove is embedded in the machine body; the organism outside be provided with lubricated mechanism, lubricated mechanism is including piston cylinder, piston dish, inhale oil pipe, defeated oil pipe and oil absorption cotton, the inside of piston cylinder and the top of running through to the piston cylinder are provided with sealing mechanism, the outer wall of rack bar is provided with stop gear. According to the utility model, by arranging the lubricating mechanism, when the rack rod moves along the moving groove insufficiently and smoothly, the spring plate is pressed, so that the sliding shaft drives the sealing block to be separated from the bottom end of the oil conveying pipe, the oil suction pipe is blocked and sealed by the sealing block, then the lubricating oil in the piston cylinder is extruded into the oil conveying pipe and is transmitted to the oil absorbent cotton, and the oil absorbent cotton absorbs excessive lubricating oil to flow downwards along the inner wall of the moving groove to lubricate the outer wall of the rack rod, so that the rack rod moves more smoothly.

Description

Rack type track lifting machine

Technical Field

The utility model belongs to the technical field of track lifting machines, and particularly relates to a rack type track lifting machine.

Background

The rack track jack consists of a base lifting hook, a handle pressing handle, a pawl, a jack, a rack and a fast descending wheel, and is characterized in that the lifting hook is in sliding fit with the rack, the handle pressing handle is hinged with the lifting hook, one end of the pawl is fixed on the handle pressing handle, the other end of the pawl is meshed with the rack, the jack is fixed on the lifting hook, the rack is fixedly connected with the base, the rack is small in size, light in weight and convenient to carry, and the whole operation process can be in a state of ensuring the safety of driving.

In the use process of the rack type track jack in the prior art, when the rack moves, the rack is easy to clamp due to friction, inconvenient to move, the use efficiency is affected, the lifting hook and the track cannot be limited and fixed, and the track is easy to separate from the lifting hook to cause safety accidents.

Disclosure of Invention

The utility model aims to solve the problems of the prior art and provides a rack type track lifting machine, aiming at solving the problems that a rack is moved and clamped and a track is easy to slide off and separate from a lifting hook.

The purpose of the utility model can be realized by the following technical scheme: a rack type track jack comprises a body, a moving groove and a rack rod, wherein the moving groove is embedded in the body, and the rack rod is slidably mounted in the moving groove; the lubricating mechanism is arranged on the outer side of the machine body and comprises a piston cylinder, a piston disc, an oil suction pipe, an oil conveying pipe and oil suction cotton, the piston cylinder is arranged on the outer wall of the machine body, the piston disc is slidably arranged in the piston cylinder, the oil suction pipe is arranged at the bottom end of the piston cylinder, the oil conveying pipe is arranged at the top end of the piston cylinder and is positioned above the oil suction pipe, the oil suction cotton is arranged on the inner wall of the moving groove, and one end of the oil suction cotton penetrates through the machine body to the inside of one end of the oil suction pipe; the inside of piston cylinder and the top that runs through to the piston cylinder are provided with and are used for inhaling the sealed sealing mechanism of oil pipe and defeated oil pipe one end, the outer wall of rack bar is provided with and is used for the spacing fixed stop gear to the track.

Preferably, the sealing mechanism comprises a sliding shaft, a sealing block, a spring plate and a sealing spring, the sliding shaft is installed inside the piston cylinder in a sliding and sealing mode and penetrates through the top end of the piston cylinder, the sealing block is arranged inside the piston cylinder and is fixedly connected with the bottom end of the sliding shaft, the spring plate is fixed to the top end of the sliding shaft, and the sealing spring is sleeved on the outer wall of the sliding shaft and is located at the top end of the piston cylinder.

Preferably, the outer wall of the sealing block is fixedly connected with the bottom end of the sliding shaft through a connecting plate.

Preferably, the outer wall of the sealing block is provided with a sealing sheet and is matched with the inner wall of the piston cylinder.

Preferably, the spring plate is fixed to the top end of the sliding shaft by welding.

Preferably, stop gear is including limiting shaft, stopper and spacing spring, limiting shaft passes through fixed block fixed mounting in the outer wall one side of rack bar, the fixed block is located the both ends of spacing axle and fixed with the rack bar, stopper slidable mounting is at the outer wall of spacing axle, spacing spring cup joints at the outer wall of spacing axle, and is located the top of stopper.

Preferably, the bottom end of one side of the outer wall of the rack bar is provided with a lifting plate, and the top end of the base is provided with a containing groove matched with the outer wall of the lifting plate.

Preferably, the fixing block is fixed on the rack bar by welding.

Preferably, the bottom end of the machine body is welded with a base, the bottom end of the moving groove penetrates into the base, and the bottom end of the oil suction pipe penetrates through the bottom end of the moving groove.

Preferably, a piston rod is fixedly installed on one side of the piston disc, the piston rod penetrates through one end of the outer wall of the piston cylinder, and the joint of the outer wall of the piston rod and the piston cylinder is in sliding sealing connection.

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

1. by arranging the lubricating mechanism and the sealing mechanism, when the rack rod does not move smoothly enough along the moving groove, the spring plate is pressed to enable the sealing spring to contract and drive the sliding shaft to move downwards, the sliding shaft drives the sealing block to be separated from the bottom end of the oil conveying pipe and move to the bottom end of the oil suction pipe, so that the sealing block blocks the oil suction pipe for sealing, and then the piston rod is pushed to enable the piston rod to push the piston disc to move, so that lubricating oil in the piston cylinder is extruded into the oil conveying pipe and then is transmitted to the oil absorbent cotton, the oil absorbent cotton absorbs excessive lubricating oil to flow downwards along the inner wall of the moving groove to lubricate the outer wall of the rack rod, so that the rack rod moves smoothly, and the use efficiency is improved;

2. according to the utility model, the limiting mechanism is arranged, so that the limiting block is pulled upwards, the limiting block extrudes the limiting spring to be stressed and contracted while sliding upwards along the outer wall of the limiting shaft, then the lifting plate is moved to the bottom end of the track, the limiting block is released, the limiting block slides downwards along the outer wall of the limiting shaft under the action of the elastic force of the limiting spring, the limiting block is positioned at the top end of the track and is matched with the lifting plate to clamp and fix the track, and accidents caused by the fact that the track is separated from the lifting plate and slides down when the track is lifted are effectively avoided.

Drawings

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

FIG. 2 is a structural cross-sectional view of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is an exploded view of the spacing mechanism of the present invention.

In the figure: 1. a body; 2. a moving groove; 3. a lubrication mechanism; 301. a piston cylinder; 302. a piston disc; 303. an oil suction pipe; 304. an oil delivery pipe; 305. oil absorbing cotton; 4. a sealing mechanism; 401. a sliding shaft; 402. a sealing block; 403. a spring plate; 404. a seal spring; 5. a rack bar; 6. a limiting mechanism; 601. a limiting shaft; 602. a limiting block; 603. a limiting spring; 7. lifting the plate; 8. a base; 9. a piston rod.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, a rack-type track-lift includes:

a machine body 1;

the moving groove 2 is embedded in the machine body 1;

the lubricating mechanism 3 comprises a piston cylinder 301, a piston disc 302, an oil suction pipe 303, an oil delivery pipe 304 and oil absorbent cotton 305, wherein the piston cylinder 301 is arranged on the outer wall of the machine body 1, the piston disc 302 is slidably arranged inside the piston cylinder 301, the oil suction pipe 303 is arranged at the bottom end of the piston cylinder 301, the oil delivery pipe 304 is arranged at the top end of the piston cylinder 301 and is positioned above the oil suction pipe 303, the oil absorbent cotton 305 is arranged on the inner wall of the moving groove 2, and one end of the oil absorbent cotton 305 penetrates through the machine body 1 to the inside of one end of the oil suction pipe 303;

the sealing mechanism 4 is arranged in the piston cylinder 301, penetrates through the top end of the piston cylinder 301, and is used for sealing one ends of the oil suction pipe 303 and the oil conveying pipe 304;

a rack bar 5 slidably mounted inside the moving groove 2;

and the limiting mechanism 6 is arranged on the outer wall of the rack rod 5 and used for limiting and fixing the track.

Please refer to fig. 1 and fig. 3, the sealing mechanism 4 includes a sliding shaft 401, a sealing block 402, a spring plate 403 and a sealing spring 404, the sliding shaft 401 is installed inside the piston cylinder 301 in a sliding and sealing manner and penetrates to the top end of the piston cylinder 301, the sealing block 402 is installed inside the piston cylinder 301 in a movable manner, the spring plate 403 is fixedly welded to the top end of the sliding shaft 401, and the sealing spring 404 is sleeved on the outer wall of the sliding shaft 401 and located at the top end of the piston cylinder 301, so as to seal one end of the oil suction pipe 303 and the oil delivery pipe 304 located inside the piston cylinder 301.

Please refer to fig. 1 and fig. 4, the limiting mechanism 6 includes a limiting shaft 601, a limiting block 602 and a limiting spring 603, the limiting shaft 601 is fixedly mounted on one side of the outer wall of the rack bar 5 through a fixing block, the fixing block is located at two ends of the limiting shaft 601 and is welded and fixed with the rack bar 5, the limiting block 602 is slidably mounted on the outer wall of the limiting shaft 601, and the limiting spring 603 is sleeved on the outer wall of the limiting shaft 601 and is located at the top end of the limiting block 602, so as to limit and fix the track and avoid falling off during lifting.

Please refer to fig. 1, the bottom end of the machine body 1 is welded with the base 8, the bottom end of the moving groove 2 penetrates into the base 8, and the bottom end of the oil suction pipe 303 penetrates the bottom end of the moving groove 2, so that the lubricating oil at the bottom end of the moving groove 2 is sucked into the piston cylinder 301 through the oil suction pipe 303.

Please refer to fig. 3, a piston rod 9 is fixedly installed at one side of the piston disc 302, the piston rod 9 penetrates through one end of the outer wall of the piston cylinder 301, and the outer wall of the piston rod 9 is connected with the joint of the piston cylinder 301 in a sliding and sealing manner, so that the piston rod 9 drives the piston disc 302 to move.

Please refer to fig. 3, the outer wall of the sealing block 402 is fixedly connected to the bottom end of the sliding shaft 401 through a connecting plate, and the outer wall of the sealing block 402 is provided with a sealing plate which is engaged with the inner wall of the piston cylinder 301 to seal the end of the suction pipe 303 and the oil pipe 304 inside the piston cylinder 301.

Please refer to fig. 1 and 4, a lifting plate 7 is disposed at a bottom end of one side of an outer wall of the rack bar 5, and a receiving groove engaged with the outer wall of the lifting plate 7 is disposed at a top end of the base 8 for receiving the lifting plate 7.

The working principle of the utility model is as follows: when the rack type track lifting machine is used, the track lifting machine is placed on one side of a track to be lifted, then the limit block 602 is pulled upwards to enable the limit block 602 to slide upwards along the outer wall of the limit shaft 601, meanwhile, the limit block 602 extrudes the limit spring 603 to be stressed and contracted, then the lifting plate 7 is moved to the bottom end of the track, the limit block 602 is released, the limit block 602 slides downwards along the outer wall of the limit shaft 601 under the elastic force action of the limit spring 603, the limit block 602 is positioned at the top end of the track and is matched with the lifting plate 7 to clamp and fix the track, accidents caused by the fact that the track and the lifting plate 7 are separated from and slide when the track is lifted are effectively avoided, then the rack rod 5 is lifted by rotating the handle pressing handle, lifting of the track is achieved, when the rack rod 5 moves smoothly along the moving groove 2, the sealing spring 404 is stressed and contracted by pressing the spring plate 403, the spring plate 403 drives the sliding shaft 401 to move downwards, the sliding shaft 401 drives the sealing block 402 to separate from the bottom end of the oil delivery pipe 304 and move to the bottom end of the oil suction pipe 303, so that the sealing block 402 blocks and seals the oil suction pipe 303, then the piston rod 9 is pushed, the piston rod 9 pushes the piston disc 302 to move, lubricating oil in the piston cylinder 301 is extruded into the oil delivery pipe 304 and then is transmitted to the oil absorbent cotton 305, the oil absorbent cotton 305 absorbs excessive lubricating oil to flow downwards along the inner wall of the moving groove 2 to lubricate the outer wall of the rack rod 5, so that the rack rod 5 moves more smoothly, the use efficiency is improved, the spring plate 403 is released, the spring plate 403 is pushed to move upwards and reset under the elastic force of the sealing spring 404, the spring plate 403 drives the sliding shaft 401 to move upwards, the sliding shaft 401 drives the sealing block 402 to move upwards, so that the sealing block 402 blocks and seals the bottom end of the oil delivery pipe 304, and the piston rod 9 is pulled to drive the piston disc 302 to move, the excessive lubricating oil at the bottom end of the moving groove 2 is pumped into the piston cylinder 301 through the oil suction pipe 303.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although 1, body is used more herein; 2. a moving groove; 3. a lubrication mechanism; 301. a piston cylinder; 302. a piston disc; 303. an oil suction pipe; 304. an oil delivery pipe; 305. oil absorbing cotton; 4. a sealing mechanism; 401. a sliding shaft; 402. a sealing block; 403. a spring plate; 404. a seal spring; 5. a rack bar; 6. a limiting mechanism; 601. a limiting shaft; 602. a limiting block; 603. a limiting spring; 7. lifting the plate; 8. a base; 9. piston rod, etc., without excluding the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A rack type track jack comprises a body (1), a moving groove (2) and a rack rod (5), wherein the moving groove (2) is embedded in the body (1), and the rack rod (5) is slidably mounted in the moving groove (2); the oil absorption device is characterized in that a lubricating mechanism (3) is arranged on the outer side of the machine body (1), the lubricating mechanism (3) comprises a piston cylinder (301), a piston disc (302), an oil absorption pipe (303), an oil transmission pipe (304) and oil absorption cotton (305), the piston cylinder (301) is installed on the outer wall of the machine body (1), the piston disc (302) is installed inside the piston cylinder (301) in a sliding mode, the oil absorption pipe (303) is installed at the bottom end of the piston cylinder (301), the oil transmission pipe (304) is installed at the top end of the piston cylinder (301) and located above the oil absorption pipe (303), the oil absorption cotton (305) is installed on the inner wall of the moving groove (2), and one end of the oil absorption cotton (305) penetrates through the machine body (1) to the inside of one end of the oil absorption pipe (303); the inside of piston cylinder (301) and run through to the top of piston cylinder (301) and be provided with and be used for to inhaling sealed sealing mechanism (4) of oil pipe (303) and defeated oil pipe (304) one end, the outer wall of rack bar (5) is provided with and is used for spacing fixed stop gear (6) to the track.

2. The rack-type track lifting machine according to claim 1, wherein the sealing mechanism (4) comprises a sliding shaft (401), a sealing block (402), a spring plate (403) and a sealing spring (404), the sliding shaft (401) is installed inside the piston cylinder (301) in a sliding and sealing mode and penetrates through the top end of the piston cylinder (301), the sealing block (402) is arranged inside the piston cylinder (301) and fixedly connected with the bottom end of the sliding shaft (401), the spring plate (403) is fixed to the top end of the sliding shaft (401), and the sealing spring (404) is sleeved on the outer wall of the sliding shaft (401) and located at the top end of the piston cylinder (301).

3. A rack-and-pinion track-lift as claimed in claim 2, characterized in that the outer wall of the sealing block (402) is fixedly connected to the bottom end of the sliding shaft (401) by means of a connecting plate.

4. A rack-and-pinion track jack as claimed in claim 3, wherein the outer wall of the sealing block (402) is provided with a sealing sheet and engages with the inner wall of the piston cylinder (301).

5. A rack-and-pinion track-lift as claimed in claim 2, characterized in that the spring plate (403) is fixed to the top end of the sliding shaft (401) by welding.

6. The rack-type track lifting machine according to claim 1, wherein the limiting mechanism (6) comprises a limiting shaft (601), a limiting block (602) and a limiting spring (603), the limiting shaft (601) is fixedly mounted on one side of the outer wall of the rack rod (5) through a fixing block, the fixing block is located at two ends of the limiting shaft (601) and fixed with the rack rod (5), the limiting block (602) is slidably mounted on the outer wall of the limiting shaft (601), and the limiting spring (603) is sleeved on the outer wall of the limiting shaft (601) and located at the top end of the limiting block (602).

7. The rack-type track-lift according to claim 6, wherein the rack bar (5) is provided with a lifting plate (7) at the bottom end of one side of the outer wall, and the base (8) is provided with a receiving groove engaged with the outer wall of the lifting plate (7) at the top end.

8. A rack-and-pinion track-lift as claimed in claim 6, characterized in that the fixing block is fixed to the rack bar (5) by welding.

9. The rack-type track-lifting machine according to claim 1, wherein a base (8) is welded to the bottom end of the machine body (1), the bottom end of the moving groove (2) penetrates into the base (8), and the bottom end of the oil suction pipe (303) penetrates the bottom end of the moving groove (2).

10. The rack-type track-lifting machine according to claim 1, characterized in that a piston rod (9) is fixedly mounted on one side of the piston disc (302), the piston rod (9) penetrates through one end of the outer wall of the piston cylinder (301), and the outer wall of the piston rod (9) is connected with the joint of the piston cylinder (301) in a sliding and sealing manner.