CN214221213U - Hydraulic support double-telescopic upright post - Google Patents
Hydraulic support double-telescopic upright post Download PDFInfo
- Publication number
- CN214221213U CN214221213U CN202022276566.0U CN202022276566U CN214221213U CN 214221213 U CN214221213 U CN 214221213U CN 202022276566 U CN202022276566 U CN 202022276566U CN 214221213 U CN214221213 U CN 214221213U
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- Prior art keywords
- sleeve
- telescopic
- double
- hydraulic support
- upright post
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- 239000000428 dust Substances 0.000 abstract description 9
- 230000001771 impaired effect Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000004575 stone Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 239000011435 rock Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a hydraulic support double-telescopic upright post, which comprises a double-telescopic upright post body, wherein a protection structure is arranged on the double-telescopic upright post body; the protection structure includes: the device comprises a base, a first sleeve, a second sleeve, four first sliding blocks, a third sleeve, four second sliding blocks and a top plate; the utility model relates to a hydraulic support technical field, through three telescopic piling up and expansion, has prevented that the dust from falling on the stand, avoids the dust to be brought into the cylinder body, has prolonged the life of stand, has avoided the stone to collide with the stand, avoids the stand surface impaired, avoids the loop bar surface impaired, has guaranteed the normal work of stand, the wall under two flexible stand bodies, first sleeve suit in two flexible stand bodies outside, just first sleeve is fixed in the base on the wall, second sleeve cartridge in first sleeve lateral wall face, four first spouts have been seted up to first sleeve medial wall equidistance, the utility model relates to a hydraulic support technical field, through three telescopic piling up and expansion.
Description
Technical Field
The utility model relates to a hydraulic support technical field specifically is two flexible stands of hydraulic support.
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 upright column is one of the important parts of the hydraulic support for mainly bearing the pressure of the top plate, is a main part for connecting the top beam of the support with the base and is used for bearing the load of the top plate and adjusting the supporting height of the hydraulic support. The upright columns are in a working environment with more dust and more stones, and the hydraulic support double-telescopic upright column for preventing dust and falling rocks is designed for the working environment.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a two flexible stands of hydraulic support has dustproof and prevent falling rocks's effect.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the hydraulic support double-telescopic upright comprises a double-telescopic upright body, wherein a protection structure is arranged on the double-telescopic upright body;
the protection structure includes: the device comprises a base, a first sleeve, a second sleeve, four first sliding blocks, a third sleeve, four second sliding blocks and a top plate;
the base is arranged on the lower wall surface of the double-telescopic upright post body, the first sleeve is sleeved outside the double-telescopic upright post body, the first sleeve is fixed on the upper wall surface of the base, the second sleeve is inserted in the inner side wall surface of the first sleeve, four first sliding grooves are formed in the inner side wall surface of the first sleeve at equal intervals, four first sliding blocks are arranged on the outer side wall surface of the lower end of the second sleeve at equal intervals, the four first sliding blocks are movably arranged on the four first sliding grooves, the third sleeve is inserted into the inner side wall surface of the second sleeve, four second sliding grooves are formed in the inner side wall surface of the second sleeve at equal intervals, four second sliding blocks are arranged at the lower end of the outer side wall surface of the third sleeve at equal intervals, and four second sliding blocks are movably arranged on the four second sliding grooves, the upper end of a third sleeve is fixed on the top plate, and the telescopic ends of the double-telescopic-upright-column body penetrate through the top plate.
Preferably, the outer side wall surfaces of the first sleeve, the second sleeve and the third sleeve are provided with a plurality of rubber bumps.
Preferably, the upper ends of the first sleeve and the second sleeve are provided with annular brushes.
Preferably, the annular brushes are attached to the outer side wall surfaces of the first sleeve, the second sleeve and the third sleeve.
Preferably, the lower ends of the outer side wall surfaces of the second sleeve and the third sleeve are respectively sleeved with a retaining ring.
Preferably, the four first sliding grooves and the four second sliding grooves are all of a T-shaped structure.
Advantageous effects
The utility model provides a two flexible stands of hydraulic support possesses following beneficial effect: through piling up and expansion of three telescopic, prevented that the dust from falling on the stand, avoided the dust to be brought into in the cylinder body, prolonged the life of stand, avoided the stone to collide with the stand, avoided the stand surface impaired, avoid the loop bar surface impaired, guaranteed the normal work of stand.
Drawings
Fig. 1 is the schematic view of the cross-sectional structure of the extended state of the two telescopic columns of the hydraulic support.
Fig. 2 is the structure schematic diagram of the main view of the contraction state of the two telescopic columns of the hydraulic support.
Fig. 3 is a schematic top view of the first sleeve of the dual telescopic columns of the hydraulic support of the present invention.
Fig. 4 is a schematic diagram of a partially enlarged structure of the first sleeve of the dual telescopic columns of the hydraulic support in fig. 1 according to the present invention.
In the figure: 1-a double telescopic upright column body; 2-a base; 3-a first sleeve; 4-a second sleeve; 5-a first slide block; 6-a third sleeve; 7-a second slider; 8-a top plate; 9-rubber bumps; 10-ring brush; 11-a retainer ring.
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: two flexible stands of hydraulic support.
Example (b): the following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.
The hydraulic support double-telescopic upright comprises a double-telescopic upright body 1, wherein a protection structure is arranged on the double-telescopic upright body 1;
in the specific implementation, the protection structure may preferably adopt the following structure, which includes: the device comprises a base 2, a first sleeve 3, a second sleeve 4, four first sliding blocks 5, a third sleeve 6, four second sliding blocks 7 and a top plate 8; the base 2 is arranged on the lower wall surface of the double-telescopic upright post body 1, the first sleeve 3 is sleeved outside the double-telescopic upright post body 1, the first sleeve 3 is fixed on the upper wall surface of the base 2, the second sleeve 4 is inserted on the inner side wall surface of the first sleeve 3, four first sliding chutes are arranged on the inner side wall surface of the first sleeve 3 at equal intervals, four first sliding blocks 5 are arranged on the outer side wall surface of the lower end of the second sleeve 4 at equal intervals, and four first sliding blocks 5 are movably arranged on the four first sliding grooves, a third sleeve 6 is inserted on the inner side wall surface of the second sleeve 4, four second sliding grooves are arranged on the inner side wall surface of the second sleeve 4 at equal intervals, four second sliding blocks 7 are arranged at the lower end of the outer side wall surface of the third sleeve 6 at equal intervals, and four second sliders 7 are movably mounted on the four second sliding grooves, the upper end of the third sleeve 6 is fixed by the top plate 8, and the telescopic end of the double-telescopic-column body 1 penetrates through the top plate 8.
Wherein, it is required to be noted that: when the double-telescopic upright post body 1 is stretched, the telescopic end of the double-telescopic upright post body 1 drives the top plate 8 to ascend, the top plate 8 drives the third sleeve 6 to ascend, the third sleeve 6 drives the four second sliding blocks 7 to slide on the four second sliding grooves, the double-telescopic upright post body 1 is continuously stretched, the four second sliding blocks 7 drive the second sleeve 4 to ascend, the second sleeve 4 drives the four first sliding blocks 5 to move in the four first sliding grooves, preferably, further, the four first sliding grooves and the four second sliding grooves are of a T-shaped structure, so that the four first sliding blocks 5 are prevented from being separated from the four first sliding grooves, the four second sliding blocks 7 are prevented from being separated from the four second sliding grooves, the first sleeve 3, the second sleeve 4 and the third sleeve 6 protect the double-telescopic upright post body 1, the double-telescopic upright post body 1 is prevented from being hit by falling rocks during working, and the double-telescopic upright post body 1 is prevented from falling dust, the service life is prolonged, as an optimization, further, the outer side wall surfaces of the first sleeve 3, the second sleeve 4 and the third sleeve 6 are respectively provided with a plurality of rubber bumps 9, when falling rocks hit the first sleeve 3, the second sleeve 4 or the third sleeve 6, the rubber bumps 9 play a role of buffering, the impact force of the falling rocks is weakened, the first sleeve 3, the second sleeve 4 and the third sleeve 6 are protected, as an optimization, further, the upper ends of the first sleeve 3 and the second sleeve 4 are respectively provided with an annular brush 10, the annular brushes 10 are respectively attached to the outer side wall surfaces of the first sleeve 3, the second sleeve 4 and the third sleeve 6, dust is prevented from entering the protective structure through a gap between the first sleeve 3 and the second sleeve 4 and a gap between the second sleeve 4 and the third sleeve 6, when the double-telescopic upright post body 1 contracts, the second sleeve 4 gradually enters the first sleeve 3 and the third sleeve 6 gradually enters the second sleeve 4, at this moment, the annular brush 10 cleans the outer walls of the second sleeve 4 and the third sleeve 6, so as to prevent dust from falling into the protection structure, and preferably, the lower ends of the outer side wall surfaces of the second sleeve 4 and the third sleeve 6 are all sleeved with a retaining ring 11, so as to limit the second sleeve 4 and the third sleeve 6.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
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 (6)
1. The hydraulic support double-telescopic upright column comprises a double-telescopic upright column body (1), and is characterized in that a protection structure is arranged on the double-telescopic upright column body (1);
the protection structure includes: the device comprises a base (2), a first sleeve (3), a second sleeve (4), four first sliding blocks (5), a third sleeve (6), four second sliding blocks (7) and a top plate (8);
the base (2) is arranged on the lower wall surface of the double-telescopic upright post body (1), the first sleeve (3) is sleeved outside the double-telescopic upright post body (1), the first sleeve (3) is fixed on the upper wall surface of the base (2), the second sleeve (4) is inserted into the inner side wall surface of the first sleeve (3), four first sliding grooves are formed in the inner side wall surface of the first sleeve (3) at equal intervals, the four first sliding blocks (5) are arranged on the outer side wall surface of the lower end of the second sleeve (4) at equal intervals, the four first sliding blocks (5) are movably arranged on the four first sliding grooves, the third sleeve (6) is inserted into the inner side wall surface of the second sleeve (4), the inner side wall surface of the second sleeve (4) is provided with the four second sliding grooves at equal intervals, the four second sliding blocks (7) are arranged at the lower end of the outer side wall surface of the third sleeve (6) at equal intervals, and four second sliding blocks (7) are movably arranged on the four second sliding grooves, the upper end of a third sleeve (6) is fixed by a top plate (8), and the telescopic ends of the double-telescopic-column body (1) penetrate through the top plate (8).
2. The hydraulic support double-telescopic upright post as claimed in claim 1, characterized in that the outer side wall surfaces of the first sleeve (3), the second sleeve (4) and the third sleeve (6) are provided with a plurality of rubber bumps (9).
3. The hydraulic support double telescopic column as claimed in claim 1, characterized in that the upper ends of the first sleeve (3) and the second sleeve (4) are provided with annular brushes (10).
4. The hydraulic support double telescopic column as claimed in claim 3, wherein the annular brushes (10) are attached to the outer side wall surfaces of the first sleeve (3), the second sleeve (4) and the third sleeve (6).
5. The hydraulic support double-telescopic upright post as claimed in claim 1, wherein the lower ends of the outer wall surfaces of the second sleeve (4) and the third sleeve (6) are sleeved with retaining rings (11).
6. The hydraulic support double-telescopic stand column of claim 1, wherein the four first sliding grooves and the four second sliding grooves are all of a T-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022276566.0U CN214221213U (en) | 2020-10-14 | 2020-10-14 | Hydraulic support double-telescopic upright post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022276566.0U CN214221213U (en) | 2020-10-14 | 2020-10-14 | Hydraulic support double-telescopic upright post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214221213U true CN214221213U (en) | 2021-09-17 |
Family
ID=77694441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022276566.0U Expired - Fee Related CN214221213U (en) | 2020-10-14 | 2020-10-14 | Hydraulic support double-telescopic upright post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214221213U (en) |
-
2020
- 2020-10-14 CN CN202022276566.0U patent/CN214221213U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |