CN215057515U - Guide sleeve for mining hydraulic prop - Google Patents
Guide sleeve for mining hydraulic prop Download PDFInfo
- Publication number
- CN215057515U CN215057515U CN202121778358.9U CN202121778358U CN215057515U CN 215057515 U CN215057515 U CN 215057515U CN 202121778358 U CN202121778358 U CN 202121778358U CN 215057515 U CN215057515 U CN 215057515U
- Authority
- CN
- China
- Prior art keywords
- guide sleeve
- connecting block
- gland
- uide bushing
- hydraulic prop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005065 mining Methods 0.000 title claims abstract description 17
- 210000004907 gland Anatomy 0.000 claims abstract description 63
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 7
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a mining uide bushing for hydraulic prop, including uide bushing main part down, the connecting block is installed on the top of uide bushing main part down, and one side on connecting block surface is fixed with the separation blade, the connecting block surface of separation blade one side is provided with the external screw thread recess, first gland has been cup jointed to one side on connecting block surface, the inside of connecting block is provided with the uide bushing main part, and goes up one side on uide bushing main part surface and be fixed with the second gland, the locating pin is all installed to the turning position department on second gland top, the gasket is all installed to the turning position department of first gland bottom, and the nut is installed to the locating pin bottom of gasket one side. The utility model discloses not only can satisfy the installation demand of the roof of different thickness specifications, promote the application scope of uide bushing, strengthen the construction convenience of uide bushing, still reduce the friction of pillar and uide bushing, prolong the durability of uide bushing and pillar.
Description
Technical Field
The utility model relates to a uide bushing technical field for the hydraulic prop specifically is a uide bushing for mining hydraulic prop.
Background
In the field of coal mine engineering, the upright post is the most important element in a hydraulic support and is used for bearing the load of a top plate and adjusting the height of the support, and the upright post mainly comprises a cylinder body, a movable post, a guide sleeve and a sealing element, wherein the guide sleeve plays a role in connecting the support post and the top plate, so that the top plate can smoothly slide on the surface of the support post.
The guide interplanting type for the hydraulic prop in the market is various, can basically meet the use requirements of people, but still has certain defects, and has the following specific problems.
(1) When the existing guide sleeve for the hydraulic support pushes the top plate to reciprocate by the hydraulic oil cylinder, certain friction is generated between the guide sleeve and the upright post, and the service life of the guide sleeve is shortened due to the friction generated between the top plate and the guide sleeve along with the increase of time;
(2) the existing hydraulic prop is time-consuming and labor-consuming to install with a top plate by a guide sleeve, is inconvenient and brings trouble to the construction of workers;
(3) when the existing guide sleeve for the hydraulic support is used on a top plate, the guide sleeve is difficult to be applied to top plates with various thickness specifications, so that the top plate and the support are difficult to be connected, and the working application range of the guide sleeve is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mining uide bushing for hydraulic prop to the friction that proposes between uide bushing and the pillar is great, the construction is inconvenient and application range is limited problem in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mining uide bushing for hydraulic prop, includes uide bushing main part down, the connecting block is installed on the top of uide bushing main part down, and one side on connecting block surface is fixed with the separation blade, the connecting block surface of separation blade one side is provided with the external screw thread recess, first gland has been cup jointed to one side on connecting block surface, the inside of connecting block is provided with the uide bushing main part, and goes up one side on uide bushing main part surface and be fixed with the second gland, the locating pin is all installed to the turning position department on second gland top, the gasket is all installed to the turning position department of first gland bottom, and the nut is installed to the locating pin bottom of gasket one side.
Preferably, the lower guide sleeve main body, the connecting block and the upper guide sleeve main body are all made of tin bronze.
Preferably, the inside of connecting block is provided with main logical groove, and main logical groove runs through to the outside of uide bushing main part down.
Preferably, an inner thread groove is formed in the inner wall of the connecting block.
Preferably, a clamping block is fixed on the inner wall of the connecting block, and a guide ring is embedded in the clamping block.
Preferably, a sealing gasket is mounted on the top of the connecting block, and the sealing gasket can be made of fluorinated rubber.
Preferably, the diameter of the upper guide sleeve body is smaller than that of the connecting block.
Preferably, the inside of going up the uide bushing main part is provided with vice logical groove, and vice logical groove runs through to the outside of last uide bushing main part.
Preferably, an inner thread groove is formed in the upper guide sleeve main body, and the inner thread groove can be in threaded fit with the outer thread groove.
Compared with the prior art, the beneficial effects of the utility model are that: the guide sleeve for the mining hydraulic prop can meet the installation requirements of top plates with different thickness specifications, the application range of the guide sleeve is widened, the construction convenience of the guide sleeve is enhanced, the friction between the prop and the guide sleeve is reduced, and the durability of the guide sleeve and the prop is prolonged;
(1) the guide sleeve is integrally sleeved on the support column through the arrangement of the connecting block, the external thread groove and the like, then the first gland is sleeved on the surface of the connecting block from top to bottom, so that the first gland is in threaded connection with the connecting block through the external thread groove, then the top plate is sleeved on the stand column, so that the top end of the connecting block penetrates through the outside of the top plate, then the upper guide sleeve main body is screwed into the connecting block, at the moment, the first gland is manually rotated, so that the first gland rotates on the external thread groove, at the moment, the distance between the second gland and the first gland is adjusted until the bottom end of the second gland is in contact with the top end of the top plate, the top end of the first gland is in contact with the bottom end of the top plate, so that the top plate is clamped by the first gland and the second gland, and the installation requirements of the top plates with different thickness specifications can be met;
(2) by arranging the first gland, the positioning pins and the like, the upper guide sleeve main body can be in threaded fit with the internal thread groove on the inner wall of the connecting block through the external thread groove until the bottom end of the upper guide sleeve main body is fully screwed into the connecting block, then a plurality of groups of positioning pins are taken out and are sequentially pressed into the second gland and the first gland, then the gaskets and the nuts are sequentially stacked, and the first gland, the top plate and the second gland are fixed by the nuts, namely the guide sleeve, the upright post and the top plate are installed at the moment, the operation is convenient and fast, and the construction convenience of the guide sleeve is enhanced;
(3) through being provided with guide ring etc. when the uide bushing installation back that finishes, uide bushing and roof are a whole, and when the pneumatic cylinder promoted the roof and moved, this uide bushing can move on the pillar, and the surface contact of uide bushing and stand this moment to reduced the area of contact of uide bushing and pillar, the friction reduces promptly, the durability of extension uide bushing and pillar.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic view of the front view cross-sectional structure of the present invention;
fig. 4 is a schematic view of a main body front view section structure of the upper guide sleeve of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 4 according to the present invention;
in the figure: 1. a lower guide sleeve main body; 2. connecting blocks; 3. a baffle plate; 4. an external thread groove; 5. a first gland; 6. an upper guide sleeve main body; 7. a second gland; 8. positioning pins; 9. a gasket; 10. a nut; 11. a main through groove; 12. an outer thread groove; 13. an internal thread groove; 14. a secondary through groove; 15. a clamping block; 16. a guide ring; 17. a gasket is provided.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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. 1-5, the present invention provides an embodiment: a guide sleeve for a mining hydraulic prop comprises a lower guide sleeve main body 1, a connecting block 2 is arranged at the top end of the lower guide sleeve main body 1, a baffle 3 is fixed on one side of the surface of the connecting block 2, an external thread groove 4 is arranged on the surface of the connecting block 2 on one side of the baffle 3, a first gland 5 is sleeved on one side of the surface of the connecting block 2, an upper guide sleeve main body 6 is arranged inside the connecting block 2, the lower guide sleeve main body 1, the connecting block 2 and the upper guide sleeve main body 6 are all made of tin bronze, an auxiliary through groove 14 is arranged inside the upper guide sleeve main body 6, the auxiliary through groove 14 penetrates through the outer part of the upper guide sleeve main body 6, a second gland 7 is fixed on one side of the surface of the upper guide sleeve main body 6, the guide sleeve is integrally sleeved on the support, and then the first gland 5 is sleeved on the surface of the connecting block 2 from top to bottom, so that the first gland 5 is in threaded connection with the connecting block 2 through the external thread groove 4;
then the top plate is sleeved on the upright column, so that the top end of the connecting block 2 penetrates to the outside of the top plate, and then the upper guide sleeve body 6 is screwed into the inside of the connecting block 2;
the positioning pins 8 are arranged at the corner positions of the top end of the second gland 7, the gasket 9 is arranged at the corner position of the bottom end of the first gland 5, the nuts 10 are arranged at the bottom ends of the positioning pins 8 at one side of the gasket 9, and the positioning pins 8 and the nuts 10 can connect the second gland 7 and the first gland 5, so that the structural strength of the guide sleeve is improved;
at the moment, the first gland 5 is manually rotated, so that the first gland 5 rotates on the external thread groove 4, the distance between the second gland 7 and the first gland 5 is adjusted until the bottom end of the second gland 7 is contacted with the top end of the top plate, and the top end of the first gland 5 is contacted with the bottom end of the top plate, so that the top plate is clamped by the first gland 5 and the second gland 7, and the mounting requirements of the top plates with different thickness specifications can be met;
an inner thread groove 13 is formed in the inner wall of the connecting block 2, and the diameter of the upper guide sleeve main body 6 is smaller than that of the connecting block 2;
an inner thread groove 13 is formed in the upper guide sleeve main body 6, the inner thread groove 13 can be in thread fit with the outer thread groove 12, and the upper guide sleeve main body 6 can be in thread fit with the inner thread groove 13 on the inner wall of the connecting block 2 through the outer thread groove 12;
when the bottom end of the upper guide sleeve main body 6 is fully screwed into the connecting block 2, a plurality of groups of positioning pins 8 are taken out immediately and are sequentially driven into the second gland 7 and the first gland 5, then the gasket 9 and the nut 10 are sequentially stacked, and the first gland 5, the top plate and the second gland 7 are fixed by the nut 10, namely the guide sleeve, the upright post and the top plate are installed at the moment, so that the operation is convenient and rapid;
a main through groove 11 is formed in the connecting block 2, and the main through groove 11 penetrates through the outer part of the lower guide sleeve main body 1;
a clamping block 15 is fixed on the inner wall of the connecting block 2, a guide ring 16 is embedded in the clamping block 15, a sealing washer 17 is installed at the top of the connecting block 2, the sealing washer 17 can be made of fluorinated rubber, and the fluorinated rubber has the characteristics of high temperature resistance, oil resistance and resistance to corrosion of various chemicals;
when the hydraulic cylinder pushes the top plate to move, the guide sleeve can move on the support column, and the guide ring 16 is in contact with the outer surface of the upright column, so that the contact area between the guide sleeve and the support column is reduced, and the durability of the guide sleeve and the support column is prolonged.
The working principle is as follows: when in use, the guide sleeve is firstly integrally sleeved on a support, then the first gland 5 is sleeved on the surface of the connecting block 2 from top to bottom, so that the first gland 5 is in threaded connection with the connecting block 2 through the external thread groove 4, then the top plate is sleeved on the upright post, so that the top end of the connecting block 2 penetrates to the outside of the top plate, then the upper guide sleeve main body 6 is screwed into the connecting block 2, at the moment, the first gland 5 is manually rotated, so that the first gland 5 rotates on the external thread groove 4, at the moment, the distance between the second gland 7 and the first gland 5 is adjusted until the bottom end of the second gland 7 is contacted with the top end of the top plate, the top end of the first gland 5 is contacted with the bottom end of the top plate, so that the top plate is clamped by the first gland 5 and the second gland 7, the mounting requirements of the top plates with different thickness specifications can be met, the application range of the guide sleeve is expanded, the upper guide sleeve main body 6 can be in threaded fit with the internal thread groove 13 on the inner wall of the connecting block 2 through the external thread groove 12, until the inside of connecting block 2 is fully twisted to the bottom of supreme uide bushing main part 6, take out multiunit locating pin 8 afterwards, squeeze into second gland 7 with it in proper order, the inside of first gland 5, later with gasket 9, nut 10 stacks in proper order, and utilize nut 10 to first gland 5, roof and second gland 7 are fixed, this uide bushing this moment promptly, installation is accomplished to stand and roof, convenient operation is swift, the construction convenience of uide bushing has been strengthened, after the uide bushing installation finishes, uide bushing and roof are a whole, when the pneumatic cylinder promoted the roof and moves, this uide bushing can move on the pillar, the contact of surface of uide ring 16 and stand this moment, thereby reduced the area of contact of uide bushing and pillar, the friction reduces, the durability of extension uide bushing and pillar.
Claims (9)
1. The utility model provides a mining uide bushing for hydraulic prop which characterized in that: including uide bushing main part (1) down, connecting block (2) are installed on the top of uide bushing main part (1) down, just one side on connecting block (2) surface is fixed with separation blade (3), connecting block (2) surface of separation blade (3) one side is provided with external screw thread recess (4), first gland (5) have been cup jointed to one side on connecting block (2) surface, the inside of connecting block (2) is provided with uide bushing main part (6), just one side on going up uide bushing main part (6) surface is fixed with second gland (7), locating pin (8) are all installed to the corner position department on second gland (7) top, gasket (9) are all installed to the corner position department of first gland (5) bottom, just nut (10) are installed to locating pin (8) bottom of gasket (9) one side.
2. The guide sleeve for the mining hydraulic prop according to claim 1, characterized in that: the lower guide sleeve main body (1), the connecting block (2) and the upper guide sleeve main body (6) are all made of tin bronze.
3. The guide sleeve for the mining hydraulic prop according to claim 1, characterized in that: the inside of connecting block (2) is provided with main logical groove (11), main logical groove (11) run through to the outside of uide bushing main part (1) down.
4. The guide sleeve for the mining hydraulic prop according to claim 1, characterized in that: an inner thread groove (13) is arranged on the inner wall of the connecting block (2).
5. The guide sleeve for the mining hydraulic prop according to claim 1, characterized in that: a clamping block (15) is fixed on the inner wall of the connecting block (2), and a guide ring (16) is embedded in the clamping block (15).
6. The guide sleeve for the mining hydraulic prop according to claim 1, characterized in that: and a sealing gasket (17) is arranged at the top of the connecting block (2), and the sealing gasket (17) can be fluorinated rubber.
7. The guide sleeve for the mining hydraulic prop according to claim 1, characterized in that: the diameter of the upper guide sleeve main body (6) is smaller than that of the connecting block (2).
8. The guide sleeve for the mining hydraulic prop according to claim 1, characterized in that: an auxiliary through groove (14) is formed in the upper guide sleeve main body (6), and the auxiliary through groove (14) penetrates through the outer portion of the upper guide sleeve main body (6).
9. The guide sleeve for the mining hydraulic prop according to claim 1, characterized in that: an inner thread groove (13) is formed in the upper guide sleeve main body (6), and the inner thread groove (13) can be in thread fit with the outer thread groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778358.9U CN215057515U (en) | 2021-07-29 | 2021-07-29 | Guide sleeve for mining hydraulic prop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778358.9U CN215057515U (en) | 2021-07-29 | 2021-07-29 | Guide sleeve for mining hydraulic prop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215057515U true CN215057515U (en) | 2021-12-07 |
Family
ID=79220069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121778358.9U Expired - Fee Related CN215057515U (en) | 2021-07-29 | 2021-07-29 | Guide sleeve for mining hydraulic prop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215057515U (en) |
-
2021
- 2021-07-29 CN CN202121778358.9U patent/CN215057515U/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: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |