CN219633075U

CN219633075U - Quick assembly device for hydraulic support spring assembly

Info

Publication number: CN219633075U
Application number: CN202320382592.2U
Authority: CN
Inventors: 李霞; 卫进虎; 霍玉婷
Original assignee: Shanxi Pingyang Coal Machinery Equipment Co ltd
Current assignee: Shanxi Pingyang Coal Machinery Equipment Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-09-05
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to a rapid assembly device for a hydraulic support spring assembly, and belongs to the technical field of spring assembly; the lifting device comprises a fixed support, wherein the fixed support is of a box body structure with an opening at the upper end, the fixed support comprises a bottom plate, the left side and the right side of the bottom plate are side plates, the front side of the bottom plate is an ear plate, the rear side of the upper edge of the vertical plate is fixedly provided with a transverse plate, the ear plate is provided with a plug hole, the transverse plate is provided with a reversing valve, the rear side of the vertical plate is provided with a one-way lock, a jack is arranged in the fixed support, one end of the bottom of a jack cylinder is fixedly connected with the front side of the vertical plate, the end part of a piston rod of the jack is hinged with a sliding block, and the front end face of the sliding block is provided with a jack groove; the reversing valve is connected with the pump station and the unidirectional lock respectively, and the unidirectional lock is connected with the jack; the hydraulic support spring assembly solves the problems that an existing hydraulic support spring assembly is difficult to assemble and low in efficiency.

Description

Quick assembly device for hydraulic support spring assembly

Technical Field

The utility model belongs to the technical field of spring assembly, and particularly relates to a rapid assembly device for a hydraulic support spring assembly.

Background

The hydraulic support of present production has the vast majority to have spring assembly, spring assembly generally includes retaining ring, guide arm, spring, backing pin, cotter pin etc. and constitutes, as depicted in fig. 1, cup joints a spring 2 in the outside of guide arm 1, and spring 2's both ends are provided with a retaining ring 3 respectively, and retaining ring 3 cup joints in guide arm 1's both sides outer end, has peg graft respectively in guide arm 1 surpass in retaining ring 3's both ends outside and has a backing pin 4, peg graft on the backing pin 4 and have the cotter pin, carry out spacingly to retaining ring 3 through backing pin 4, compress spring 2 through retaining ring 3 at both ends. The assembly process is more complicated and the dosage is large. In the assembly process of the spring assembly, the compression force is difficult to balance and the assembly is difficult due to the fact that the diameter of the spring is between phi 14 and phi 18, the elastic force of the spring is large, the internal components of the material are uneven and the like.

In the assembly process, the assembly efficiency is low, the retainer ring and the spring are firstly arranged in the guide rod from one side during assembly, and the baffle pin and the cotter pin are arranged in the guide rod hole; and then the other check ring is assembled from the other side of the guide rod through a force-applying compression spring, and the stop pin and the cotter pin are inserted. In the assembly process, the resistance of the spring is assembled by means of manual force by the aid of the lever, so that the assembly is laborious, multiple people are needed to cooperate, and the working efficiency is low.

The assembly process has potential safety hazards, the spring resistance is P big=5960n, P small=2210n, the elasticity of the spring is easy to hurt people, and the safety accident is easy to occur due to improper operation.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides a rapid assembly device for a hydraulic bracket spring assembly; the hydraulic support spring assembly solves the problems that an existing hydraulic support spring assembly is difficult to assemble and low in efficiency.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme.

The utility model provides a quick assembly device for hydraulic support spring assembly, includes the fixed bolster, the fixed bolster is upper end open-ended box structure, the fixed bolster includes the bottom plate, the left and right sides of bottom plate is the curb plate, the front side is the otic placode, the rear side is the riser, the upper edge rear side of riser is fixed to be provided with a diaphragm, be provided with the spliced eye on the otic placode, be provided with the switching-over valve on the diaphragm, the riser trailing flank is provided with the unidirectional lock, the fixed bolster is inside to be provided with the jack, jack cylinder bottom one end links to each other fixed connection with the riser leading flank, the piston rod tip of jack articulates there is a slider, the front end face of slider is provided with a jack and connects the groove; the reversing valve is connected with the pump station and the unidirectional lock respectively, and the unidirectional lock is connected with the jack.

Further, the bottom plate is of a square plate-shaped structure which is horizontally arranged, and the bottom plate is arranged in an extending mode along the front-back direction.

Further, the side plates on the left side and the right side are symmetrically arranged, and the lengths of the side plates on the two sides are equal to the length of the bottom plate.

Further, the width of the plug hole is larger than the length of the stop pin.

Further, the horizontal plate is horizontally arranged, and the front edge of the horizontal plate is fixedly connected with the upper edge of the vertical plate.

Further, a first valve seat is arranged on the rear side face of the vertical plate, and a second valve seat is arranged on the upper end face of the transverse plate.

Further, a one-way lock is fixed on a first valve seat on the rear side surface of the vertical plate, and a reversing valve is fixed on a second valve seat on the upper end of the transverse plate.

Further, a hinge groove is formed in the end face of the rear end of the sliding block, and the end portion of the piston rod of the jack extends into the hinge groove at the rear end of the sliding block and is hinged with the hinge groove through a hinge shaft.

Compared with the prior art, the utility model has the following beneficial effects:

according to the rapid assembly device for the hydraulic support spring assembly, the original manual process is changed through hydraulic transmission, the hydraulic pressure spring mechanism is connected into a pump station system assembled by a support through the high-pressure rubber tube, an existing resource pump station is used as a power source, and manpower is eliminated from being used as the power source; the hydraulic pressure of the jack is utilized for carrying out spring pretension. And applying pressure to one side of the guide rod retainer ring through the jack, compressing the spring to an assembling position, then assembling the retainer ring, the retainer pin and the cotter pin at the other side, and then retracting the jack to complete the assembly. The unidirectional lock is adopted, so that the force of the spring can be effectively controlled; the pre-tightening state of the manual compression spring is changed, the operation is simple, the labor intensity is reduced, and the working efficiency is improved; the spring is controlled to pop up suddenly, so that the damage caused by unfavorable assembly and even endangerment of personnel is avoided.

Drawings

The utility model is described in further detail below with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of a spring assembly;

FIG. 2 is a structural entity diagram of the fixed bracket;

FIG. 3 is a schematic representation of the utility model in operation;

the high-pressure rubber hose comprises a guide rod 1, a spring 2, a retainer ring 3, a retaining pin 4, a bottom plate 5, an ear plate 6, a side plate 7, a vertical plate 8, a transverse plate 9, a splicing hole 10, a first valve seat 11, a second valve seat 12, a jack 13, a sliding block 14, a one-way lock 15, a reversing valve 16 and a high-pressure rubber hose 17.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail by combining the embodiments and the drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. The following describes the technical scheme of the present utility model in detail with reference to examples and drawings, but the scope of protection is not limited thereto.

As shown in fig. 2 and 3, the present utility model provides a quick assembly device for a hydraulic bracket spring assembly, which comprises a fixing frame, a sliding block 14, a jack 13, a one-way lock 15 and a reversing valve 16.

The fixed support comprises a transverse plate 9, a vertical plate 8, a bottom plate 5, side plates 7, an ear plate 6, a first valve seat 11 and a second valve seat 12.

The bottom plate 5 is of a square plate-shaped structure which is horizontally arranged, and the bottom plate 5 is arranged in an extending way along the front-back direction; the left side edge and the right side edge of the bottom plate 5 are respectively fixedly provided with a vertical side plate 7, the side plates 7 on the left side and the right side are symmetrically arranged, and the lengths of the side plates 7 on the two sides are equal to the length of the bottom plate 5. A vertical lug plate 6 is fixedly arranged at the front side edge of the bottom plate 5, the left end and the right end of the lug plate 6 are fixedly connected with the front side edges of the side plates 7 on two sides, the upper edge of the lug plate 6 exceeds the upper edge of the side plates 7 on two sides, a through plug hole 10 is arranged on the lug plate 6, and the width of the plug hole 10 is larger than the length of the stop pin 4. A vertical plate 8 is fixedly arranged at the rear side edge of the bottom plate 5, the left side edge and the right side edge of the vertical plate 8 are fixedly connected with the rear edges of the two side edges, and the upper edge of the vertical plate 8 exceeds the upper edge of the two side plates 7. A horizontal transverse plate 9 is fixedly arranged at the rear side of the upper edge of the vertical plate 8, and the front edge of the transverse plate 9 is fixedly connected with the upper edge of the vertical plate 8. A first valve seat 11 is provided on the rear side of the riser 8, and a second valve seat 12 is provided on the upper end surface of the cross plate 9.

The first valve seat 11 on the rear side of the vertical plate 8 is fixedly provided with a one-way lock 15, the second valve seat 12 on the upper end of the transverse plate 9 is fixedly provided with a reversing valve 16, two inlets of the reversing valve 16 are respectively connected with a pump station through a high-pressure rubber pipe 17, and two outlets of the reversing valve 16 are respectively connected with two inlets of the one-way lock 15 through the high-pressure rubber pipe 17.

A jack 13 is arranged in the fixed bracket, the jack 13 is positioned between the left side plate and the right side plate 7, one end of the cylinder bottom of the jack 13 is fixedly connected with the front side surface of the vertical plate 8, and two outlets of the unidirectional lock 15 are respectively connected with two hydraulic ports of the jack 13 through a high-pressure rubber pipe 17.

A sliding block 14 is hinged at one end of a piston rod of the jack 13, a jacking groove is formed in the front end face of the sliding block 14, a hinge groove is formed in the rear end face of the sliding block 14, and the end of the piston rod of the jack 13 extends into the hinge groove at the rear end of the sliding block 14 and is hinged with the hinge groove through a hinge shaft.

The working principle of the utility model is as follows:

when the spring assembly is assembled, the spring 2 is sleeved on the outer side of the guide rod 1, and the retainer ring 3, the stop pin 4 and the cotter pin are sequentially arranged at one end of the guide rod 1, so that one end of the spring 2 is in contact with the assembled retainer ring 3.

Then the spring assembly is placed inside the fixed support, the check ring 3 which is assembled in the spring assembly is positioned at one side far away from the lug plate 6, the check ring 3 which is not assembled is contacted with the rear side face of the lug plate 6, the spring 2 is contacted with the two check rings 3, one end of the guide rod 1, which is assembled with the check ring 3, faces the jack 13, and the jack 13 is in a contracted state.

Then, the pump station is operated to be pressurized, the reversing valve 16 is operated manually, so that hydraulic oil in the pump station reaches the jack 13 after passing through the reversing valve 16 and the one-way lock 15, the jack 13 stretches out, the slide block 14 moves towards one side of the spring assembly until one end of the guide rod 1, on which the check ring 3 is assembled, stretches into a jacking groove at the front side of the slide block 14, and the front side end surface of the slide block 14 is contacted with the rear side end surface of the check ring 3 assembled on the guide rod 1; as the jack 13 continues to extend, the spring 2 is compressed, one end of the guide rod 1, which is far away from the slide block 14, extends into the non-assembled retainer ring 3 and gradually extends from the insertion hole 10 on the ear plate 6, after the end of the guide rod 1 extends completely, the handle of the reversing valve 16 is converted to the middle position, the jack 13 maintains the current extending state, at this time, the stop pin 4 and the cotter pin can be assembled with the guide rod 1, and the jack 13 cannot be retracted in the assembling process due to the existence of the unidirectional lock 15.

After assembly, the reversing valve 16 is manually reversed to press, the jack 13 begins to contract, the slide block 14 gradually moves away from the ear plate 6, and the spring 2 begins to rebound. As the jack 13 continues to contract, the slider 14 is out of contact with the collar 3, at which point the spring 2 fully springs back to the assembled condition. The jack 13 eventually collapses completely and the assembled spring assembly can then be removed from the mounting bracket.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A quick assembly device for hydraulic support spring assembly, its characterized in that: the automatic lifting device comprises a fixed support, wherein the fixed support is of a box body structure with an opening at the upper end, the fixed support comprises a bottom plate (5), side plates (7) are arranged on the left side and the right side of the bottom plate (5), an ear plate (6) is arranged on the front side, a vertical plate (8) is arranged on the rear side, a transverse plate (9) is fixedly arranged on the rear side of the upper edge of the vertical plate (8), a splicing hole (10) is formed in the ear plate (6), a reversing valve (16) is arranged on the transverse plate (9), a unidirectional lock (15) is arranged on the rear side of the vertical plate (8), a jack (13) is arranged in the fixed support, one end of the bottom of a cylinder of the jack (13) is fixedly connected with the front side of the vertical plate (8), a sliding block (14) is hinged to the end part of a piston rod of the jack (13), and a jacking groove is formed in the front end face of the sliding block (14). The reversing valve (16) is respectively connected with the pump station and the one-way lock (15), and the one-way lock (15) is connected with the jack (13).

2. A quick assembly device for a hydraulic bracket spring assembly as defined in claim 1, wherein: the bottom plate (5) is of a square plate-shaped structure which is horizontally arranged, and the bottom plate (5) is arranged in an extending mode along the front-back direction.

3. A quick assembly device for a hydraulic bracket spring assembly as defined in claim 1, wherein: the side plates (7) on the left side and the right side are symmetrically arranged, and the lengths of the side plates (7) on the two sides are equal to the length of the bottom plate (5).

4. A quick assembly device for a hydraulic bracket spring assembly as defined in claim 1, wherein: the width of the inserting hole (10) is larger than the length of the stop pin (4).

5. A quick assembly device for a hydraulic bracket spring assembly as defined in claim 1, wherein: the transverse plate (9) is horizontally arranged, and the front edge of the transverse plate (9) is fixedly connected with the upper edge of the vertical plate (8).

6. A quick assembly device for a hydraulic bracket spring assembly as defined in claim 1, wherein: a first valve seat (11) is arranged on the rear side surface of the vertical plate (8), and a second valve seat (12) is arranged on the upper end surface of the transverse plate (9).

7. A quick assembly device for a hydraulic bracket spring assembly as defined in claim 6, wherein: a one-way lock (15) is fixed on a first valve seat (11) on the rear side surface of the vertical plate (8), and a reversing valve (16) is fixed on a second valve seat (12) on the upper end of the transverse plate (9).

8. A quick assembly device for a hydraulic bracket spring assembly as defined in claim 1, wherein: the end face of the rear end of the sliding block (14) is provided with a hinge groove, and the end part of a piston rod of the jack (13) extends into the hinge groove at the rear end of the sliding block (14) and is hinged with the hinge groove through a hinge shaft.