CN212563281U - Valve column integrated hydraulic support pillar for coal mine - Google Patents
Valve column integrated hydraulic support pillar for coal mine Download PDFInfo
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- CN212563281U CN212563281U CN202020808614.3U CN202020808614U CN212563281U CN 212563281 U CN212563281 U CN 212563281U CN 202020808614 U CN202020808614 U CN 202020808614U CN 212563281 U CN212563281 U CN 212563281U
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- valve
- hydraulic support
- support pillar
- sliding
- coal mine
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Abstract
The utility model discloses a valve post integral type hydraulic support pillar for coal mine relates to hydraulic support technical field. The utility model comprises a base and a valve post, wherein the valve post is inserted on the base, a valve rod is arranged at the top end of the valve post, and a protective shell is fixed at the top end of the valve rod; supporting rods are fixed on the peripheral side face of the base at intervals, sliding grooves are formed in the upper surfaces of the supporting rods, a row of through holes are formed in the inner bottom face of each sliding groove at intervals, sliding blocks are matched in the sliding grooves in a sliding mode, limiting bolts are connected in the sliding blocks through springs and are matched with one through hole in an inserting mode; the side of week of protective housing bottom normal running fit has the connecting rod that the round interval set up, and the bottom of connecting rod is articulated with one side of slider. The utility model discloses a concrete position of slider in the base is confirmed with the cooperation of through hole to spacing bolt in the slider, through the cooperation of slider and connecting rod, carries out the support of protective housing, has improved the stability of hydraulic support pillar, and the installation of the hydraulic support pillar of being convenient for is fixed.
Description
Technical Field
The utility model belongs to the technical field of hydraulic support, especially, relate to a valve post integral type hydraulic support pillar for coal mine.
Background
The hydraulic support is a structure used for controlling the mine pressure of the coal face. The mining face mine pressure acts on the hydraulic support in the form of external load. In the mechanical system of the interaction of the hydraulic support and the mining face surrounding rock, if the resultant force of all the supporting pieces of the hydraulic support and the resultant force of the external load of the top plate acting on the hydraulic support are exactly in the same straight line, the hydraulic support is very suitable for the mining face surrounding rock. The hydraulic support consists of a hydraulic cylinder (upright post and jack), a bearing structural part (top beam, shield beam, base and the like), a pushing device, a control system and other auxiliary devices; column: the hydraulic cylinder supported between the base and the top beam or the shield beam to regulate the height of the support and bear the load is required to have higher compression strength, bending strength and sealing performance.
The hydraulic prop and the hydraulic control one-way valve are important hydraulic components of the existing hydraulic support for the coal mine; the single hydraulic prop is a novel environment-friendly support device, can be used for single point column or other temporary supports, and has the advantages of large weight, large requirement for workers during installation, complex construction, long installation time and frequent occurrence of accidents of smashing people carelessly if the single hydraulic prop is installed, so that the single hydraulic prop has small potential safety hazards during the installation process, the life safety of the workers is harmed, and the coal mining progress is easily delayed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve post integral type hydraulic support pillar for coal mine to solve the problem that above-mentioned background art provided.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a valve post integrated hydraulic support pillar for coal mines, which comprises a base and a valve post, wherein the valve post is inserted on the base, a valve rod is arranged at the top end of the valve post, and a protective shell is fixed at the top end of the valve rod; supporting rods are fixed on the peripheral side surface of the base at intervals, sliding grooves are formed in the upper surfaces of the supporting rods, a row of through holes are formed in the inner bottom surface of each sliding groove at intervals, sliding blocks are matched in the sliding grooves in a sliding mode, limiting bolts are connected in the sliding blocks through springs, and the limiting bolts are matched with one through hole in an inserting mode; a circle of connecting rods arranged at intervals are rotatably matched on the peripheral side surface of the bottom end of the protective shell, and the bottom end of each connecting rod is hinged with one side of each sliding block; when the hydraulic support pillar is installed, install the base earlier, increase the stability of hydraulic support pillar bottom through the base, then connect connecting rod and the slider that corresponds through the round pin axle, when hydraulic support pillar control valve rod top rises, the valve rod drives the connecting rod and the slider motion of protective housing bottom, spacing bolt in the slider and the cooperation of through hole, confirm the concrete position of slider in the base, through the cooperation of slider and connecting rod, carry out the support of protective housing, the stability of hydraulic support pillar has been improved, the installation of the hydraulic support pillar of being convenient for is fixed.
Furthermore, a valve core is embedded at the top end of the valve rod, and one end of the valve core extends out of the valve rod; the top of the protective shell is provided with a protective frame corresponding to the valve core, and the top of one end of the inner top of the protective frame is rotatably matched with a frame door; the valve rod is protected through the protective shell, and the valve core is protected through the protective frame.
Furthermore, the cross section of the through hole is of an isosceles trapezoid structure with a narrow upper part and a wide lower part, and the top of the inner wall of the through hole is in sliding fit with the peripheral side face of the bottom end of the limiting bolt; through the through hole of isosceles trapezoid structure, the grafting of spacing bolt and through hole of being convenient for avoids piling up too much coal ash because of in the through hole, does not utilize next practicality.
Further, the valve rod top is just located the top of protective housing and still overlaps and is equipped with the annular support plate, the internal diameter of annular support plate equals with the external diameter of valve rod.
Further, a mounting hole is formed in one side face of the sliding block, a limiting plate is in sliding fit in the mounting hole, a limiting bolt is embedded in the mounting hole, and the top end of the limiting bolt extends out of the sliding block and is fixed with a lifting plate.
The utility model discloses following beneficial effect has:
the utility model is provided with the base which increases the stability of the bottom of the hydraulic support pillar; the protective shell is arranged, so that the valve rod is protected through the protective shell, and the valve core on the valve rod is prevented from being damaged to influence the functional effect of the hydraulic support strut; through the rising on hydraulic support pillar control valve rod top, drive the connecting rod and the slider motion of protective housing bottom, the concrete position of slider in the base is confirmed to spacing bolt in the slider again and the cooperation of through hole, through the cooperation of slider and connecting rod, carries out the support of protective housing, has improved the stability of hydraulic support pillar, and the installation of the hydraulic support pillar of being convenient for is fixed.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a valve column integrated hydraulic support pillar for a coal mine according to the present invention;
FIG. 2 is a schematic structural diagram of a base;
FIG. 3 is a schematic view of the valve stem and stem configuration;
FIG. 4 is a cross-sectional view of a strut;
FIG. 5 is a schematic structural view of a slider;
FIG. 6 is a cross-sectional view of the slider;
in the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a base 1, a valve column 2, a valve rod 3, a protective shell 4, a support rod 5, a sliding block 6, a connecting rod 7, a valve core 8, an annular supporting plate 301, a protective frame 401, a sliding groove 501, a through hole 502, a limiting bolt 601, a mounting hole 602, a limiting plate 603 and a lifting plate 604.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, the utility model relates to a column integrated hydraulic support pillar for coal mine, which comprises a base 1 and a column 2, wherein the column 2 is inserted on the base 1, a valve rod 3 is arranged at the top end of the column 2, and a protective shell 4 is fixed at the top end of the valve rod 3; supporting rods 5 are fixed on the peripheral side surface of the base 1 at intervals, sliding grooves 501 are formed in the upper surfaces of the supporting rods 5, a row of through holes 502 arranged at intervals are formed in the inner bottom surface of each sliding groove 501, sliding blocks 6 are matched in the sliding grooves 501 in a sliding mode, limiting bolts 601 are connected in the sliding blocks 6 through springs, and the limiting bolts 601 are matched with one through hole 502 in an inserting mode; the side of week of protective housing 4 bottom side normal running fit has the connecting rod 7 that the round interval set up, and the bottom of connecting rod 7 is articulated with one side of slider 6.
When the hydraulic support pillar is installed, install base 1 earlier, increase the stability of hydraulic support pillar bottom through base 1, then connect connecting rod 7 and the slider 6 that corresponds through the round pin axle, when hydraulic support pillar control valve rod 3 top rises, valve rod 3 drives connecting rod 7 and the slider 6 motion of 4 bottoms of protective housing, spacing bolt 601 in the slider 6 and the cooperation of through hole 502, confirm the concrete position of slider 6 in base 1, cooperation through slider 6 and connecting rod 7, carry out the support of protective housing 4, the stability of hydraulic support pillar has been improved, the installation of the hydraulic support pillar of being convenient for is fixed.
Further, a valve core 8 is embedded at the top end of the valve rod 3, and one end of the valve core 8 extends out of the valve rod 3; a protection frame 401 corresponding to the valve core 8 is arranged at the top of the protection shell 4, and a frame door is rotatably matched at the top of one end of the inner top of the protection frame 401; the valve rod 3 is protected by the protection case 4, and the protection frame 401 protects the valve element 8.
Further, the cross section of the through hole 502 is in an isosceles trapezoid structure with a narrow top and a wide bottom, and the top of the inner wall of the through hole 502 is in sliding fit with the peripheral side surface of the bottom end of the limit bolt 601; through isosceles trapezoid structure's through hole 502, the grafting of spacing bolt 601 and through hole 502 of being convenient for avoids piling up too much because of the coal ash in through hole 502, does not utilize next practicality.
Further, the top end of the valve rod 3 and the upper side of the protective shell 4 are further sleeved with an annular support plate 301, and the inner diameter of the annular support plate 301 is equal to the outer diameter of the valve rod 3.
Furthermore, a mounting hole 602 is formed in one side surface of the slider 6, a limiting plate 603 is slidably fitted in the mounting hole 602, a limiting bolt 601 is embedded in the mounting hole 602, and the top end of the limiting bolt 601 extends out of the slider 6 and is fixed with a lifting plate 604.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a valve post integral type hydraulic support pillar for coal mine, includes base (1) and valve post (2), its characterized in that: a valve column (2) is inserted into the base (1), a valve rod (3) is arranged at the top end of the valve column (2), and a protective shell (4) is fixed at the top end of the valve rod (3);
supporting rods (5) are fixed on the peripheral side surface of the base (1) at intervals, sliding grooves (501) are formed in the upper surfaces of the supporting rods (5), a row of through holes (502) are formed in the inner bottom surface of each sliding groove (501) at intervals, sliding blocks (6) are matched in the sliding grooves (501) in a sliding mode, limiting bolts (601) are connected in the sliding blocks (6) through springs, and the limiting bolts (601) are matched with one through hole (502) in an inserting mode;
the side surface of week of protective housing (4) bottom normal running fit has connecting rod (7) that the round interval set up, the bottom of connecting rod (7) is articulated with one side of slider (6).
2. The coal mine valve column integrated hydraulic support pillar as claimed in claim 1, wherein a valve core (8) is embedded at the top end of the valve rod (3), and one end of the valve core (8) extends out of the valve rod (3).
3. The coal mine valve column integrated hydraulic support pillar as claimed in claim 2, wherein a protection frame (401) corresponding to the valve core (8) is arranged at the top of the protection shell (4), and a frame door is rotatably matched with the top of one end of the inner top of the protection frame (401).
4. The integrated hydraulic support pillar for the coal mine valve post according to claim 1, wherein the cross section of the through hole (502) is in an isosceles trapezoid structure with a narrow top and a wide bottom, and the top of the inner wall of the through hole (502) is in sliding fit with the peripheral side face of the bottom end of the limit bolt (601).
5. The integrated hydraulic support pillar for the coal mine valve column is characterized in that an annular support plate (301) is further sleeved at the top end of the valve rod (3) and above the protective shell (4), and the inner diameter of the annular support plate (301) is equal to the outer diameter of the valve rod (3).
6. The integrated hydraulic support pillar for the coal mine valve column is characterized in that a mounting hole (602) is formed in one side face of the sliding block (6), a limiting plate (603) is in sliding fit in the mounting hole (602), a limiting bolt (601) is embedded in the mounting hole (602), and the top end of the limiting bolt (601) extends out of the sliding block (6) and is fixed with a lifting plate (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020808614.3U CN212563281U (en) | 2020-05-14 | 2020-05-14 | Valve column integrated hydraulic support pillar for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020808614.3U CN212563281U (en) | 2020-05-14 | 2020-05-14 | Valve column integrated hydraulic support pillar for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212563281U true CN212563281U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020808614.3U Expired - Fee Related CN212563281U (en) | 2020-05-14 | 2020-05-14 | Valve column integrated hydraulic support pillar for coal mine |
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| CN (1) | CN212563281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187525A (en) * | 2021-05-24 | 2021-07-30 | 重庆交通职业学院 | Underground excavation construction device and method for subway station with extra-large section |
-
2020
- 2020-05-14 CN CN202020808614.3U patent/CN212563281U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187525A (en) * | 2021-05-24 | 2021-07-30 | 重庆交通职业学院 | Underground excavation construction device and method for subway station with extra-large section |
| CN113187525B (en) * | 2021-05-24 | 2023-04-18 | 重庆交通职业学院 | Underground excavation construction device and method for extra-large-section subway station |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 |