CN209835529U

CN209835529U - Accurate limiting device for small-sized hydraulic equipment

Info

Publication number: CN209835529U
Application number: CN201920681122.XU
Authority: CN
Inventors: 高昌六; 高空; 高昌平
Original assignee: Wuhu Gao Chang Hydraulic Press Power Technology Co Ltd
Current assignee: Wuhu Gao Chang Hydraulic Press Power Technology Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2019-12-24
Anticipated expiration: 2029-05-14

Abstract

The utility model discloses a small-size hydraulic equipment uses accurate stop device, including hydraulic equipment main part, first splint and stop collar, the internally mounted of hydraulic equipment main part has the piston, and the upper end of piston is fixed with the lifter, first splint cup joint in the outside left side of hydraulic equipment main part, and the right side of first splint is connected with second splint, the upper end of first splint and second splint all is fixed with the pole setting, and the inboard intermediate position of pole setting installs first slider, settle the top of first slider has the second slider, and the upper end of second slider is fixed with buffer spring, the third slider is installed to buffer spring's upper end, the inboard of first slider is fixed with the horizontal pole, the stop collar is installed in the intermediate position of horizontal pole. This small-size hydraulic equipment sets up buffer spring with accurate stop device and cushions spacingly to effectively avoid the pole hydraulic pressure of lifting excessively and cause the emergence of taking off the jar problem, be favorable to promoting this small-size hydraulic equipment's security performance.

Description

Accurate limiting device for small-sized hydraulic equipment

Technical Field

The utility model relates to a stop device technical field specifically is a small-size accurate stop device for hydraulic equipment.

Background

The hydraulic equipment drives a device to stably run through the volume change of hydraulic oil, wherein the hydraulic oil cylinder belongs to small-sized hydraulic equipment and is mainly used in a hydraulic lifting system.

Small-size hydraulic equipment on the existing market is not convenient for set up the stop device of pole of lifting in the use, leads to hydraulic pressure excessively easily, and causes the pole of lifting to appear taking off the jar, causes the problem of huge potential safety hazard, for this reason, we provide a small-size accurate stop device for hydraulic equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate stop device for small-size hydraulic equipment to solve the small-size hydraulic equipment on the existing market that proposes in the above-mentioned background art, be not convenient for set up the stop device of the pole of lifting, it is excessive to lead to hydraulic pressure easily, and causes the pole of lifting to appear taking off the jar, causes the problem of huge potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a small-size accurate stop device for hydraulic equipment, includes hydraulic equipment main part, first splint and stop collar, the internally mounted of hydraulic equipment main part has the piston, and the upper end of piston is fixed with the lifter, first splint cup joint in the outside left side of hydraulic equipment main part, and the right side of first splint is connected with second splint, the upper end of first splint and second splint all is fixed with the pole setting, and the inboard intermediate position of pole setting installs first slider, settle the top of first slider has the second slider, and the upper end of second slider is fixed with buffer spring, the third slider is installed to buffer spring's upper end, the inboard of first slider is fixed with the horizontal pole, the stop collar is installed in the intermediate position of horizontal pole.

Preferably, the structure of first splint is the same with the second splint, and the internal surface of first splint and second splint all is connected with the cushion to the material of cushion is the silicon rubber material.

Preferably, the front end and the rear end of the first clamping plate and the second clamping plate are both connected with adjusting bolts, the adjusting bolts are in threaded connection with the first clamping plate and the second clamping plate, and an annular structure is formed between the first clamping plate and the second clamping plate.

Preferably, the third slider passes through to constitute elastic construction between buffer spring and the second slider, and the buffer spring is fixed connection with the connected mode between third slider and the second slider.

Preferably, the third slider is connected with a slide rail, and the first slider, the second slider, the third slider and the slide rail form a sliding structure.

Preferably, the inside of slide rail is provided with the screw, and the screw distributes along the even equidistance of the vertical direction of slide rail, the inside threaded connection of screw has fixing bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the accurate limiting device for the small hydraulic equipment is provided with the buffer spring which is connected between the third sliding block and the second sliding block, and the buffer spring has certain elasticity, so that the second sliding block can buffer and limit the moving first sliding block by utilizing the elastic action of the buffer spring, thereby effectively avoiding the cylinder release problem caused by excessive hydraulic pressure of the lifting rod and being beneficial to improving the safety performance of the small hydraulic equipment;

2. the first sliding block, the second sliding block and the third sliding block are arranged on the same sliding rail and slide, so that the sliding action between the sliding blocks and the sliding rail is utilized to limit the first sliding block, the second sliding block and the third sliding block, the first sliding block, the second sliding block and the third sliding block can only do linear motion in the same vertical direction, the deviation is avoided, the accuracy of limiting of the whole device is improved, the first sliding block, the second sliding block and the third sliding block are connected with screw holes with different position heights through fixing bolts, the fixing height of the third sliding block can be changed, and a user can select a proper limiting distance according to the actual use condition;

3. the cushion that comprises the silicon rubber material has all been installed to the internal surface that sets up first splint and second splint, and the cushion has certain elasticity, can reduce the friction that first splint and second splint led to the fact hydraulic equipment main part surface, avoid causing the scratch to hydraulic equipment main part surface, set up first splint and second splint and splice into an annular shape, so that detain the surface in the hydraulic equipment main part, and first splint and second splint are connected through adjusting bolt's screw thread effect, the elasticity of whole stop device installation is adjusted by oneself to the person of facilitating the use, moreover, the steam generator is simple in structure, it is more convenient that the operation gets up.

Drawings

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

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic view of a part of the enlarged structure at B in fig. 3 according to the present invention.

In the figure: 1. a hydraulic apparatus main body; 2. a piston; 3. a lifting rod; 4. a first splint; 5. a second splint; 6. erecting a rod; 7. a first slider; 8. a second slider; 9. a third slider; 10. a buffer spring; 11. a cross bar; 12. a limiting sleeve; 13. a soft cushion; 14. adjusting the bolt; 15. a slide rail; 16. a screw hole; 17. and (5) fixing the bolt.

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. 1-4, the present invention provides a technical solution: an accurate limiting device for small-sized hydraulic equipment comprises a hydraulic equipment main body 1, a piston 2, a lifting rod 3, a first clamping plate 4, a second clamping plate 5, a vertical rod 6, a first sliding block 7, a second sliding block 8, a third sliding block 9, a buffer spring 10, a cross rod 11, a limiting sleeve 12, a cushion 13, an adjusting bolt 14, a sliding rail 15, a screw hole 16 and a fixing bolt 17, wherein the piston 2 is installed inside the hydraulic equipment main body 1, the lifting rod 3 is fixed at the upper end of the piston 2, the first clamping plate 4 is sleeved on the left side of the outside of the hydraulic equipment main body 1, the second clamping plate 5 is connected to the right side of the first clamping plate 4, the vertical rod 6 is fixed at the upper ends of the first clamping plate 4 and the second clamping plate 5, the first sliding block 7 is installed at the middle position of the inner side of the vertical rod 6, the second sliding block 8 is arranged above the first sliding block 7, the buffer spring 10 is fixed at the upper end of the second sliding block 8, the third, the third sliding block 9 and the second sliding block 8 form an elastic structure through a buffer spring 10, the buffer spring 10 is fixedly connected with the third sliding block 9 and the second sliding block 8, the buffer spring 10 is arranged between the third sliding block 9 and the second sliding block 8, and the buffer spring 10 has certain elasticity, so that the second sliding block 8 can buffer and limit the moving first sliding block 7 by utilizing the elastic action of the buffer spring 10, the problem that the lifting rod 3 is out of cylinder due to excessive hydraulic pressure is effectively avoided, and the safety performance of the small hydraulic equipment is favorably improved;

the inner side of the first sliding block 7 is fixed with a cross rod 11, a limiting sleeve 12 is installed at the middle position of the cross rod 11, the first clamping plate 4 and the second clamping plate 5 have the same structure, the inner surfaces of the first clamping plate 4 and the second clamping plate 5 are both connected with a cushion 13, the cushion 13 is made of silicon rubber, the inner surfaces of the first clamping plate 4 and the second clamping plate 5 are both provided with the cushion 13 made of silicon rubber, the cushion 13 has certain elasticity, the friction of the first clamping plate 4 and the second clamping plate 5 on the outer surface of the hydraulic equipment main body 1 can be reduced, the outer surface of the hydraulic equipment main body 1 is prevented from being scratched, the front end and the rear end of the first clamping plate 4 and the rear end of the second clamping plate 5 are both connected with an adjusting bolt 14 in a threaded connection mode, and an annular structure is formed between the first clamping plate 4 and the second clamping plate 5, the first clamping plate 4 and the second clamping plate 5 are spliced into an annular shape so as to be buckled on the outer surface of the hydraulic equipment main body 1, and the first clamping plate 4 and the second clamping plate 5 are connected through the thread effect of the adjusting bolt 14, so that a user can adjust the installation tightness of the whole limiting device by himself, the structure is simple, and the operation is more convenient;

the inside of the third slider 9 is connected with a slide rail 15, and a sliding structure is formed between the first slider 7, the second slider 8, the third slider 9 and the slide rail 15, and the first slider 7, the second slider 8 and the third slider 9 are all arranged on the same slide rail 15 to slide, so that the first slider 7, the second slider 8 and the third slider 9 are limited by using the sliding action between the sliders and the slide rail 15, so that the three can only do linear motion in the same vertical direction, thereby avoiding deviation, being beneficial to improving the limiting accuracy of the whole device, the inside of the slide rail 15 is provided with screw holes 16, the screw holes 16 are uniformly and equidistantly distributed along the vertical direction of the slide rail 15, the screw holes 16 are internally and threadedly connected with fixing bolts 17 and are connected with the screw holes 16 with different position heights through the fixing bolts 17, thereby changing the fixing height of the third slider 9, so that the user can select a proper limit distance according to the actual use condition.

The working principle is as follows: for the accurate limiting device for the small hydraulic equipment, firstly, in an initial state, the lifting rod 3 penetrates through the limiting sleeve 12, when oil in the hydraulic equipment main body 1 increases, the piston 2 is pushed by pressure to drive the lifting rod 3 to move upwards, the lifting rod 3 pushes the limiting sleeve 12 and the cross rod 11 to move upwards, the cross rod 11 drives the first sliding block 7 and the sliding rail 15 to slide upwards, the first sliding block 7 slides upwards relative to the upright rod 6 until the first sliding block 7 contacts the second sliding block 8 to push the second sliding block 8 to slide upwards, the second sliding block 8 moves upwards to compress the buffer spring 10, at the moment, the third sliding block 9 is fixed on the sliding rail 15 through the screw action between the screw hole 16 and the fixing bolt 17, so that the buffer spring 10 is stressed and shortened between the second sliding block 8 and the third sliding block 9, and a reverse acting force is generated to react on the second sliding block 8 at the same time, the upward impact force of the cross rod 11 is weakened, and when the buffer spring 10 is compressed to the shortest extent, the lifting rod 3 cannot be lifted upwards continuously, so that the lifting rod 3 is limited and buffered;

when the limiting distance needs to be adjusted, the fixing bolt 17 is firstly unscrewed, then the third sliding block 9 can slide up and down relative to the sliding rail 15, the fixing height of the third sliding block 9 is selected, when the fixing bolt 17 is inserted into the corresponding screw hole 16, the fixing bolt 17 is screwed for fixing, when the first clamping plate 4 and the second clamping plate 5 are fixed on the hydraulic equipment main body 1, the cushion 13 is separated between the first clamping plate 4 and the hydraulic equipment main body 1 and the second clamping plate 5, friction is reduced, when the whole device needs to be disassembled, the adjusting bolt 14 is unscrewed, so that the adjusting bolt 14 and the first clamping plate 4 and the second clamping plate 5 are in threaded action, the first clamping plate 4 and the second clamping plate 5 are separated, then the vertical rods 6 at the left end and the right end are lifted upwards, and the use process of the accurate limiting device for the whole small-sized hydraulic equipment is completed.

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 small-size accurate stop device for hydraulic equipment, includes hydraulic equipment main part (1), first splint (4) and stop collar (12), its characterized in that: a piston (2) is arranged in the hydraulic equipment main body (1), a lifting rod (3) is fixed at the upper end of the piston (2), the first clamping plate (4) is sleeved on the left side of the outer part of the hydraulic equipment main body (1), and the right side of the first clamping plate (4) is connected with a second clamping plate (5), the upper ends of the first clamping plate (4) and the second clamping plate (5) are both fixed with upright rods (6), a first sliding block (7) is arranged in the middle of the inner side of the upright rod (6), a second sliding block (8) is arranged above the first sliding block (7), a buffer spring (10) is fixed at the upper end of the second sliding block (8), a third sliding block (9) is arranged at the upper end of the buffer spring (10), the inner side of the first sliding block (7) is fixedly provided with a cross rod (11), and the limiting sleeve (12) is arranged in the middle of the cross rod (11).

2. The precision spacing device for small-sized hydraulic equipment according to claim 1, characterized in that: the structure of first splint (4) and second splint (5) is the same, and the internal surface of first splint (4) and second splint (5) all is connected with cushion (13) to the material of cushion (13) is the silicon rubber material.

3. The precision spacing device for small-sized hydraulic equipment according to claim 1, characterized in that: the front end and the rear end of the first clamping plate (4) and the second clamping plate (5) are both connected with adjusting bolts (14), the adjusting bolts (14) are in threaded connection with the first clamping plate (4) and the second clamping plate (5), and an annular structure is formed between the first clamping plate (4) and the second clamping plate (5).

4. The precision spacing device for small-sized hydraulic equipment according to claim 1, characterized in that: the third sliding block (9) is of an elastic structure through the buffer spring (10) and the second sliding block (8), and the buffer spring (10) is fixedly connected with the third sliding block (9) and the second sliding block (8).

5. The precision spacing device for small-sized hydraulic equipment according to claim 1, characterized in that: the inside of third slider (9) is connected with slide rail (15), and all constitutes sliding structure between first slider (7), second slider (8) and third slider (9) and slide rail (15).

6. The precise limit device for the small hydraulic equipment according to claim 5, characterized in that: the inside of slide rail (15) is provided with screw (16), and screw (16) along the even equidistance distribution of the vertical direction of slide rail (15), the inside threaded connection of screw (16) has fixing bolt (17).