CN216788443U - Stand column assembly for advanced hydraulic support and advanced hydraulic support - Google Patents
Stand column assembly for advanced hydraulic support and advanced hydraulic support Download PDFInfo
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- CN216788443U CN216788443U CN202220585452.0U CN202220585452U CN216788443U CN 216788443 U CN216788443 U CN 216788443U CN 202220585452 U CN202220585452 U CN 202220585452U CN 216788443 U CN216788443 U CN 216788443U
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Abstract
The utility model provides an upright post assembly for an advance hydraulic support and the advance hydraulic support, and relates to the technical field of advance hydraulic supports. The upright post component for the advanced hydraulic support is characterized in that one end of a cylinder body is provided with a telescopic rod body, and the telescopic rod body can be telescopic relative to the cylinder body; the tail end of the telescopic rod body is provided with a column head, the side surface of the column head is provided with a first assembling hole, and the first assembling hole penetrates through the column head; one end of the ball head is provided with an assembly groove, and the inner contour of the assembly groove is matched with the outer contour of the column head; a second assembling hole is formed in the ball head and communicated with the assembling groove; the ball head is provided with a limiting annular groove; the column cap is assembled in the inside of assembly groove, and round pin axle assembly connection second pilot hole and first pilot hole, the both ends of first pilot hole are exposed from the end of round pin axle, and the retaining ring assembles in spacing annular groove inside, and the retaining ring blocks at least one end of round pin axle. The upright post component for the advance hydraulic support can be applied to the advance hydraulic support to adapt to the inclination change of the roadway roof in the front, back, left and right directions.
Description
Technical Field
The utility model relates to the technical field of an advance hydraulic support, in particular to an upright post assembly for an advance hydraulic support and the advance hydraulic support.
Background
The hydraulic support is a supporting part of the fully mechanized mining face, and the upright post is a power part of the hydraulic support. The advanced hydraulic support is generally arranged in a coal mine roadway and used for supporting and protecting a roadway top plate. The column head of the upright column of the prior advance hydraulic support is hinged with the top beam through a pin shaft, the front and rear angles of the top beam are controlled by the height of the front and rear upright columns to adapt to the inclination of the top plate along the front and rear directions, and the left and right swing angles of the top beam control the left and right swing of the top beam through the gap between a column head hole and the pin shaft. However, the clearance between the pin shaft and the pin hole is limited, so the left-right swing angle of the top beam is generally less than or equal to 5 degrees, and the left-right swing angle of the top beam is too small to adapt to the inclination of the top plate along the left-right direction. When the left and right inclination of the roadway is large, the conventional advance hydraulic support cannot adapt to the roadway, and the column head of the upright column and the top beam are easily interfered, so that the column head of the upright column or a column head pin shaft is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an upright post component for a hydraulic advance support, which is applied to the hydraulic advance support to adapt to the inclination change of a roadway roof in the front, back, left and right directions.
In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
an upright post component for an advance hydraulic support comprises a cylinder body, a telescopic rod body, a ball head, a pin shaft and a check ring;
one end of the cylinder body is provided with a telescopic rod body, and the telescopic rod body can extend or retract relative to the cylinder body;
the tail end of the telescopic rod body is provided with a column head, a first assembling hole is formed in the side face of the column head, and the first assembling hole penetrates through the column head;
an assembly groove is formed in one end of the ball head, and the inner outline of the assembly groove is matched with the outer outline of the column head;
a second assembling hole is formed in the ball head and is communicated with the assembling groove, and when the column head is assembled in the assembling groove, the axis of the second assembling hole is overlapped with the axis of the first assembling hole;
the ball head is provided with a limiting annular groove;
the column cap assembly in the inside of assembly groove, round pin axle assembly connection second pilot hole and first pilot hole, the end of round pin axle exposes from the both ends of first pilot hole, and the retaining ring assembly is inside spacing annular groove, the retaining ring blocks at least one end of round pin axle.
Preferably, the second assembling holes are two through holes, and the retainer ring blocks two tail ends of the pin shaft.
Preferably, the second assembling hole is provided with a through hole and a blind hole, and the retainer ring blocks one end of the pin shaft positioned at the through hole.
Preferably, the retainer ring passes through an intermediate position of the through hole.
Preferably, the axis of the first assembly hole is perpendicular to the axis of the stud head.
Preferably, the outer contour of the column head is cylindrical.
The utility model also provides an advance hydraulic support, which comprises a base and a top beam, wherein a ball socket is arranged at the lower end of the top beam, the advance hydraulic support also comprises the upright post component for the advance hydraulic support, the cylinder body is assembled and connected with the base, and the ball head is assembled in the ball socket.
The beneficial technical effects of the utility model are as follows:
the upright post component for the hydraulic advance support is applied to the hydraulic advance support, and when the inclination of the roadway top plate in the front-back direction or the left-right direction is large, the ball head can swing relative to the ball socket in the front-back and left-right directions, so that the top beam of the hydraulic advance support adapts to the inclination change of the roadway top plate in the front-back and left-right directions; the upright post component for the advanced hydraulic support is designed in a split mode, is convenient for processing each part, and is low in processing and manufacturing cost, simple in assembly operation, firm and reliable after assembly.
Drawings
FIG. 1 is a top view of a mast assembly for a lead hydraulic support according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a front view of a telescoping mast body according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a front view of a ball head in accordance with an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken at C-C of FIG. 5;
FIG. 7 is a front view of a pin shaft according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings in combination with the specific embodiments. Certain embodiments of the utility model now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. Indeed, various embodiments of the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In an embodiment of the present invention, a column assembly for an advanced hydraulic support is provided, as shown in fig. 1 to 7.
A column assembly for an advanced hydraulic support comprises a cylinder body 1, a telescopic rod body 2, a ball head 3, a pin shaft 4, a check ring 5 and the like.
One end of the cylinder body 1 is provided with a telescopic rod body 2, and the telescopic rod body 2 can extend or retract relative to the cylinder body 1. Wherein, the cylinder body 1 comprises an outer cylinder body and a plurality of stages of inner cylinder bodies, and the inner cylinder body at the final stage is internally provided with a telescopic rod body 2.
The tail end of the telescopic rod body 2 is provided with a column head 21, and the outer contour of the column head 21 is cylindrical. A first assembly hole 211 is formed in a side surface of the column head 21, and the first assembly hole 211 penetrates through the column head 21. The axis of the first fitting hole 211 is perpendicular to the axis of the stud head 21.
The outer contour of the ball head 3 is spherical, one end of the ball head 3 is provided with an assembly groove 31, the inner contour of the assembly groove 31 is matched with the outer contour of the column head 21, and the inner contour of the assembly groove 31 is cylindrical.
The ball head 3 is provided with a second assembly hole 32, the second assembly hole 32 is communicated with the assembly groove 31, and when the column head 21 is assembled in the assembly groove 31, the axis of the second assembly hole 32 is coincided with the axis of the first assembly hole 211.
The ball head 3 is provided with a limiting annular groove 33.
The column cap 21 is assembled inside the assembling groove 31, the pin shaft 4 is assembled and connected with the second assembling hole 32 and the first assembling hole 211, the tail end of the pin shaft 4 is exposed out of two ends of the first assembling hole 211, and the pin shaft 4 connects the column cap 21 and the ball head 3 into a whole. The retainer ring 5 is assembled inside the limiting annular groove 33, and the retainer ring 5 blocks at least one tail end of the pin shaft 4 to prevent the pin shaft 4 from falling off from the first assembly hole 211 and the second assembly hole 32.
In this embodiment, the second fitting hole 32 has two arrangements. One way is as follows: the second assembling holes 32 are two through holes which are coaxially arranged, and when the drill bit penetrates through the ball head 3 to form two through holes during machining; the pin 4 can be fitted from any one of the second fitting holes 32 (through-holes) at the time of fitting, and the retainer rings 5 block both ends of the pin 4. In another mode: the second assembling hole 32 is provided with a through hole and a blind hole, when in processing, a drill bit drills from one side of the ball head 3 to the assembling groove 31 to form a through hole, and then a blind hole is drilled on the inner wall of the assembling groove 31; during assembly, one end of the pin shaft 4 is installed in the blind hole from the through hole and then passes through the first assembly hole 211 to be assembled, and the check ring 5 blocks one tail end of the pin shaft 4 located at the through hole.
Wherein, the retainer ring 5 passes through the middle position of the through hole, so that the retainer ring 5 is abutted against the middle position of the pin shaft 4.
The embodiment of the utility model also provides an advance hydraulic support, which comprises a base and a top beam, wherein the lower end of the top beam is provided with a ball socket, the inner contour of the ball socket is matched with the outer contour of the ball head 3, the advance hydraulic support further comprises the upright post component for the advance hydraulic support, the lower end of the cylinder body 1 is assembled and connected with the base, and the ball head 3 is assembled in the ball socket.
Up to this point, the present embodiment has been described in detail with reference to the accompanying drawings. From the above description, those skilled in the art should clearly understand the column assembly for the hydraulic advance support of the present invention. The upright post component for the hydraulic advance support is applied to the hydraulic advance support, and when the inclination of a roadway top plate in the front-back direction or the left-right direction is large, the ball head 3 can swing in the front-back and left-right directions relative to the ball socket, so that a top beam of the hydraulic advance support adapts to the inclination change of the roadway top plate in the front-back and left-right directions; the upright post component for the advanced hydraulic support is designed in a split mode, is convenient for processing each part, and is low in processing and manufacturing cost, simple in assembly operation, firm and reliable after assembly.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a stand subassembly for advance hydraulic support which characterized in that: the cylinder comprises a cylinder body, a telescopic rod body, a ball head, a pin shaft and a check ring;
one end of the cylinder body is provided with a telescopic rod body, and the telescopic rod body can extend or retract relative to the cylinder body;
the tail end of the telescopic rod body is provided with a column head, a first assembling hole is formed in the side face of the column head, and the first assembling hole penetrates through the column head;
an assembly groove is formed in one end of the ball head, and the inner outline of the assembly groove is matched with the outer outline of the column head;
a second assembling hole is formed in the ball head and is communicated with the assembling groove, and when the column head is assembled in the assembling groove, the axis of the second assembling hole is overlapped with the axis of the first assembling hole;
the ball head is provided with a limiting annular groove;
the column cap assembly in the inside of assembly groove, round pin axle assembly connection second pilot hole and first pilot hole, the end of round pin axle exposes from the both ends of first pilot hole, and the retaining ring assembly is inside spacing annular groove, the retaining ring blocks at least one end of round pin axle.
2. The mast assembly of claim 1, wherein: the second assembling holes are arranged into two through holes, and the check ring blocks two tail ends of the pin shaft.
3. The mast assembly of claim 1, wherein: the second assembly hole is set to be a through hole and a blind hole, and the retainer ring blocks the tail end of the pin shaft located at the through hole.
4. A mast assembly for a forward hydraulic mount of claim 2 or 3, wherein: the retainer ring penetrates through the middle position of the through hole.
5. The mast assembly of claim 1, wherein: the axis of the first assembly hole is perpendicular to the axis of the column head.
6. The mast assembly of claim 1, wherein: the outer contour of the column head is cylindrical.
7. The advance hydraulic support comprises a base and a top beam, and is characterized in that: the lower end of the top beam is provided with a ball socket, the hydraulic advance support further comprises a column assembly for the hydraulic advance support, the column assembly is as claimed in any one of claims 1 to 6, the cylinder body is assembled and connected with the base, and the ball head is assembled in the ball socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220585452.0U CN216788443U (en) | 2022-03-17 | 2022-03-17 | Stand column assembly for advanced hydraulic support and advanced hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220585452.0U CN216788443U (en) | 2022-03-17 | 2022-03-17 | Stand column assembly for advanced hydraulic support and advanced hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216788443U true CN216788443U (en) | 2022-06-21 |
Family
ID=82000555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220585452.0U Active CN216788443U (en) | 2022-03-17 | 2022-03-17 | Stand column assembly for advanced hydraulic support and advanced hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216788443U (en) |
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2022
- 2022-03-17 CN CN202220585452.0U patent/CN216788443U/en active Active
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