CN212898564U - Jack protective structure for coal mine fully-mechanized mining hydraulic support - Google Patents
Jack protective structure for coal mine fully-mechanized mining hydraulic support Download PDFInfo
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- CN212898564U CN212898564U CN202021417667.9U CN202021417667U CN212898564U CN 212898564 U CN212898564 U CN 212898564U CN 202021417667 U CN202021417667 U CN 202021417667U CN 212898564 U CN212898564 U CN 212898564U
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- hydraulic
- fixedly connected
- support
- jack
- seat
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- 230000001681 protective effect Effects 0.000 title claims abstract description 36
- 238000005065 mining Methods 0.000 title claims description 20
- 239000003245 coal Substances 0.000 title claims description 18
- 238000013016 damping Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000035939 shock Effects 0.000 abstract description 6
- 230000001012 protector Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 239000002817 coal dust Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a jack protective structure for hydraulic support is adopted to colliery full-mechanized, relate to the colliery and combine and adopt hydraulic support technical field, specifically be a colliery is combined and is adopted jack protective structure for hydraulic support, including the support base, hydraulic base's last fixed surface is connected with hydraulic jack, the upper end of elastic protection cover and the lower fixed surface of last supporting seat are connected, the last fixed surface of lower spring holder is connected with damping spring, one side of second supporting platform is provided with protector. This jack protective structure for hydraulic support is adopted to colliery fully-mechanized has reached the purpose that improves hydraulic jack and hydraulic cylinder's life through the setting of elastic protection cover and protection casing, through damping spring's setting, has reached the purpose that improves the bearing capacity and reduce mechanical shock, through protector's setting, has reached the purpose of protection hydraulic support below operating personnel safety.
Description
Technical Field
The utility model relates to a colliery is combined and is adopted hydraulic support technical field, specifically is a colliery is combined and is adopted jack protective structure for hydraulic support.
Background
The hydraulic support is a hydraulic power device which generates supporting force by utilizing liquid pressure and realizes automatic movement to support and manage a top plate, and is indispensable supporting equipment for comprehensive mechanized coal mining. The hydraulic support is mainly used for a horizontal plane and a long-wall fully-mechanized mining face for once caving coal mining and full-height mining of a slowly-inclined thick coal seam with the angle less than or equal to 10 degrees along a bottom plate, and is also suitable for a horizontal layered caving coal fully-mechanized mining face of a steeply-inclined super-thick coal seam.
Present hydraulic support has general main hydraulic means to place by the rear at the support, the hydraulic pressure supporting capacity and the shock-absorbing capacity of front end are less strong, be unfavorable for long-time the use, the colliery of front end receives vibrations when combining the mining and can have the ore to fly to hydraulic support from the front end, can lead to the fact danger to the staff that is located the hydraulic support below, the inside hydraulic means of hydraulic support has the buggy to get into when combining the mining, can cause great wearing and tearing to hydraulic jack inside the hydraulic support, reduce its life.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a colliery is combined and is adopted jack protective structure for hydraulic support has solved the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a jack protection structure for a fully mechanized mining hydraulic support of a coal mine comprises a support base, wherein a hydraulic base is fixedly connected to the upper surface of the support base, a hydraulic jack is fixedly connected to the upper surface of the hydraulic base, an upper support is fixedly connected to the upper surface of the hydraulic jack, an elastic protection sleeve is fixedly connected to the upper surface of the hydraulic base, the upper end of the elastic protection sleeve is fixedly connected with the lower surface of the upper support, a first support platform is fixedly connected to the upper surface of the upper support, a lower spring seat is fixedly connected to the upper surface of the hydraulic base, a damping spring is fixedly connected to the upper surface of the lower spring seat, an upper spring seat is fixedly connected to the upper surface of the damping spring, the upper surface of the upper spring seat is fixedly connected with the lower surface of the first support platform, and the first support platform is movably connected with a second support platform through an auxiliary hydraulic mechanism, one side of the second supporting platform is provided with a protective device, and one side of the first supporting platform is movably connected with the bracket base through a connecting rod mechanism.
Optionally, the upper surface of the lower spring seat is an inclined surface, the damping spring is arranged in an inclined manner, and the inclined angle is 10 degrees.
Optionally, the auxiliary hydraulic mechanism comprises a first hinge seat, an auxiliary hydraulic cylinder, a protective cover, a wear pad, a fixed rod and a second hinge seat, the upper end of the first hinge seat is fixedly connected with the lower surface of the first supporting platform, and the second hinge seat is fixedly connected with the lower surface of the second supporting platform.
Optionally, the one end and the first hinge seat of hydraulic assist cylinder rotate to be connected, hydraulic assist cylinder's the other end and the second hinge seat rotate to be connected, the protection casing sets up the outside at hydraulic assist cylinder, the wearing pad sets up the inside at the protection casing, the surface of wearing pad and the surface butt of hydraulic assist cylinder expansion end.
Optionally, the protection device comprises a rotating sleeve, a fixing plate, an electric telescopic rod and a protective net, wherein a rotating rod is inserted into the rotating sleeve, the rotating rod is inserted into the second supporting platform, the upper end of the fixing plate is fixedly connected with the outer surface of the rotating sleeve, a groove is formed in the fixing plate, the upper ends of the electric telescopic rod and the protective net are arranged in the groove, the upper end of the electric telescopic rod is fixedly connected with the inner top wall of the fixing plate, and the lower end of the electric telescopic rod is fixedly connected with the upper end of the protective net.
Optionally, link mechanism comprises mount, first connecting rod, second connecting rod and rotation seat, the last fixed surface who rotates the bottom of seat and support base is connected, the one end of second connecting rod with rotate the seat and rotate and be connected, the one end of first connecting rod is passed through the dwang and is connected with the other end rotation of second connecting rod, the other end and the mount of first connecting rod rotate and be connected, one side of mount and one side fixed connection of first supporting platform.
(III) advantageous effects
The utility model provides a jack protective structure for hydraulic support is adopted to colliery combine possesses following beneficial effect:
1. this jack protective structure for hydraulic support is adopted to colliery fully-mechanized, setting through elastic protection cover and protection casing, prevent outside buggy entering hydraulic jack's inside through elastic protection cover when using, prevent the inside that the buggy got into the hydraulic cylinder through the lag, make this jack protective structure for hydraulic support is adopted to colliery fully-mechanized possess the effect that protection hydraulic cylinder and hydraulic jack do not receive the buggy invasion, the purpose that improves the life of hydraulic jack and hydraulic cylinder has been reached, setting through damping spring, can reduce the bearing pressure of front end and reduce mechanical shock through damping spring at the in-process that uses, thereby shock attenuation and auxiliary stay's effect has been played, the purpose that has reached improvement supporting capability and reduced mechanical shock.
2. This jack protective structure for hydraulic support is adopted to colliery fully-mechanized coal mining through protector's setting, drives the protection network through electric telescopic handle when using and protects, makes this jack protective structure for hydraulic support is adopted to colliery fully-mechanized coal mining possess the effect that prevents the ore of front end and splash, has reached the purpose of protection hydraulic support below operating personnel safety.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the protective device of the present invention;
fig. 4 is a schematic diagram of the three-dimensional structure of the bracket base of the present invention.
In the figure: 1. a bracket base; 2. a hydraulic base; 3. a hydraulic jack; 4. an upper support base; 5. an elastic protective sleeve; 6. a first support platform; 7. a lower spring seat; 8. a damping spring; 9. an upper spring seat; 10. a second support platform; 11. a first hinge base; 12. an auxiliary hydraulic cylinder; 13. a protective cover; 14. a wear pad; 15. fixing the rod; 16. a second hinge base; 17. rotating the sleeve; 18. a fixing plate; 19. an electric telescopic rod; 20. a protective net; 21. a fixed mount; 22. a first link; 23. a second link; 24. and (6) rotating the seat.
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.
Referring to fig. 1 to 4, the present invention provides a technical solution: a jack protection structure for a fully mechanized mining hydraulic support of a coal mine comprises a support base 1, a hydraulic base 2 is fixedly connected to the upper surface of the support base 1, a hydraulic jack 3 is fixedly connected to the upper surface of the hydraulic base 2, an upper support base 4 is fixedly connected to the upper surface of the hydraulic jack 3, an elastic protection sleeve 5 is fixedly connected to the upper surface of the hydraulic base 2, the upper end of the elastic protection sleeve 5 is fixedly connected to the lower surface of the upper support base 4, a first support platform 6 is fixedly connected to the upper surface of the upper support base 4, a lower spring base 7 is fixedly connected to the upper surface of the hydraulic base 2, a damping spring 8 is fixedly connected to the upper surface of the lower spring base 7, the upper surface of the lower spring base 7 is an inclined surface, the damping spring 8 is obliquely arranged, the inclination angle is 10 degrees, an upper spring base 9 is fixedly connected to the upper surface of the damping spring 8, the upper surface of the upper spring base 9 is, the first supporting platform 6 is movably connected with a second supporting platform 10 through an auxiliary hydraulic mechanism, the auxiliary hydraulic mechanism is composed of a first hinge base 11, an auxiliary hydraulic cylinder 12, a protective cover 13, a wear-resistant pad 14, a fixed rod 15 and a second hinge base 16, the upper end of the first hinge base 11 is fixedly connected with the lower surface of the first supporting platform 6, the second hinge base 16 is fixedly connected with the lower surface of the second supporting platform 10, one end of the auxiliary hydraulic cylinder 12 is rotatably connected with the first hinge base 11, the other end of the auxiliary hydraulic cylinder 12 is rotatably connected with the second hinge base 16, the protective cover 13 is arranged outside the auxiliary hydraulic cylinder 12, the wear-resistant pad 14 is arranged inside the protective cover 13, the surface of the wear-resistant pad 14 is abutted to the outer surface of the movable end of the auxiliary hydraulic cylinder 12, one side of the second supporting platform 10 is provided with a protective device, the protective device is composed of a rotating sleeve 17, a fixed plate 18, an, a rotating rod is inserted in the rotating sleeve 17 and inserted in the second supporting platform, the upper end of the fixed plate 18 is fixedly connected with the outer surface of the rotating sleeve 17, a groove is formed in the fixed plate 18, the upper ends of the electric telescopic rod 19 and the protective net 20 are both arranged in the groove, the upper end of the electric telescopic rod 19 is fixedly connected with the inner top wall of the fixed plate 18, the lower end of the electric telescopic rod 19 is fixedly connected with the upper end of the protective net 20, one side of the first supporting platform 6 is movably connected with the bracket base 1 through a link mechanism, the link mechanism is composed of a fixed frame 21, a first connecting rod 22, a second connecting rod 23 and a rotating seat 24, the bottom of the rotating seat 24 is fixedly connected with the upper surface of the bracket base 1, one end of the second connecting rod 23 is rotatably connected with the rotating seat 24, one end of the first connecting rod 22 is rotatably connected with the other end of the second connecting rod 23 through a rotating rod, the other end, one side of the fixing frame 21 is fixedly connected with one side of the first supporting platform 6.
During the use, hydraulic jack 3 is started, make hydraulic jack 3 extend, make elastic protection cover 5 stretch, prevent that outside buggy from getting into hydraulic jack 3's inside, make first supporting platform 6 rise, drive link mechanism and move, make damping spring 8 stretch, carry out the shock attenuation buffering, start hydraulic cylinder 12, make abrasion pad 14 carry out relative movement at hydraulic cylinder 12's expansion end, prevent that outside buggy from getting into hydraulic cylinder 12's inside, when needing to protect, start electric telescopic handle 19, electric telescopic handle 19 drives protection network 20 and moves down, prevent through protection network 20 that outside ore from splashing the inside that gets into the support, protective bracket and operating personnel's safety, when descending hydraulic jack 3, damping spring 8 supports and the shock attenuation, support capacity and shock-absorbing capacity are improved.
The utility model discloses a theory of operation and beneficial effect: the jack protection structure for the fully mechanized mining hydraulic support in the coal mine has the advantages that through the arrangement of the elastic protection sleeve 5 and the protection cover 13, when the jack protection structure is used, external coal dust is prevented from entering the hydraulic jack 3 through the elastic protection sleeve 5, the coal dust is prevented from entering the auxiliary hydraulic cylinder 12 through the protection cover 13, the jack protection structure for the fully mechanized mining hydraulic support in the coal mine has the effect of protecting the auxiliary hydraulic cylinder 12 and the hydraulic jack 3 from being invaded by the coal dust, the purpose of prolonging the service life of the hydraulic jack 3 and the auxiliary hydraulic cylinder 12 is achieved, through the arrangement of the damping spring 8, the supporting pressure at the front end can be reduced and the mechanical vibration can be reduced through the damping spring 8 in the using process, the effects of damping and auxiliary supporting are achieved, the purposes of improving the supporting capacity and reducing the mechanical vibration are achieved, through the arrangement of the protection device, the electric telescopic rod 19 drives the protection net 20 to carry out protection, make this jack protective structure for hydraulic support is adopted to colliery fully-mechanized has possessed the effect that prevents the ore of front end and splash, has reached the purpose of protection hydraulic support below operating personnel safety.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a jack protective structure for hydraulic support is adopted to colliery fully-mechanized, includes support base (1), its characterized in that: the support is characterized in that a hydraulic base (2) is fixedly connected to the upper surface of the support base (1), a hydraulic jack (3) is fixedly connected to the upper surface of the hydraulic base (2), an upper supporting seat (4) is fixedly connected to the upper surface of the hydraulic jack (3), an elastic protecting sleeve (5) is fixedly connected to the upper surface of the hydraulic base (2), the upper end of the elastic protecting sleeve (5) is fixedly connected with the lower surface of the upper supporting seat (4), a first supporting platform (6) is fixedly connected to the upper surface of the upper supporting seat (4), a lower spring seat (7) is fixedly connected to the upper surface of the hydraulic base (2), a damping spring (8) is fixedly connected to the upper surface of the lower spring seat (7), an upper spring seat (9) is fixedly connected to the upper surface of the damping spring (8), and the upper surface of the upper spring seat (9) is fixedly connected with the lower surface of the first supporting platform (6), the support is characterized in that the first supporting platform (6) is movably connected with a second supporting platform (10) through an auxiliary hydraulic mechanism, a protective device is arranged on one side of the second supporting platform (10), and one side of the first supporting platform (6) is movably connected with the support base (1) through a connecting rod mechanism.
2. The jack protection structure for the fully mechanized mining hydraulic support of the coal mine according to claim 1, is characterized in that: the upper surface of lower spring holder (7) is the inclined plane, damping spring (8) are the slope setting, and inclination is 10 degrees.
3. The jack protection structure for the fully mechanized mining hydraulic support of the coal mine according to claim 1, is characterized in that: the auxiliary hydraulic mechanism is composed of a first hinge seat (11), an auxiliary hydraulic cylinder (12), a protective cover (13), a wear-resistant pad (14), a fixed rod (15) and a second hinge seat (16), the upper end of the first hinge seat (11) is fixedly connected with the lower surface of the first supporting platform (6), and the second hinge seat (16) is fixedly connected with the lower surface of the second supporting platform (10).
4. The jack protection structure for the fully mechanized mining hydraulic support of the coal mine according to claim 3, is characterized in that: the one end and the first hinge seat (11) of hydraulic assist cylinder (12) are rotated and are connected, the other end and the second hinge seat (16) of hydraulic assist cylinder (12) are rotated and are connected, protection casing (13) set up the outside at hydraulic assist cylinder (12), wear pad (14) set up the inside at protection casing (13), the surface of wear pad (14) and the surface butt of hydraulic assist cylinder (12) expansion end.
5. The jack protection structure for the fully mechanized mining hydraulic support of the coal mine according to claim 1, is characterized in that: the protection device comprises a rotating sleeve (17), a fixing plate (18), an electric telescopic rod (19) and a protective net (20), a rotating rod is inserted into the rotating sleeve (17), the rotating rod is inserted into the second supporting platform, the upper end of the fixing plate (18) is fixedly connected with the outer surface of the rotating sleeve (17), a groove is formed in the fixing plate (18), the upper ends of the electric telescopic rod (19) and the protective net (20) are arranged in the groove, the upper end of the electric telescopic rod (19) is fixedly connected with the inner top wall of the fixing plate (18), and the lower end of the electric telescopic rod (19) is fixedly connected with the upper end of the protective net (20).
6. The jack protection structure for the fully mechanized mining hydraulic support of the coal mine according to claim 1, is characterized in that: link mechanism comprises mount (21), first connecting rod (22), second connecting rod (23) and rotation seat (24), the last fixed surface who rotates bottom and support base (1) of seat (24) is connected, the one end of second connecting rod (23) rotates with rotation seat (24) to be connected, the one end of first connecting rod (22) is passed through the dwang and is connected with the other end rotation of second connecting rod (23), the other end of first connecting rod (22) rotates with mount (21) to be connected, one side of mount (21) and one side fixed connection of first supporting platform (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021417667.9U CN212898564U (en) | 2020-07-17 | 2020-07-17 | Jack protective structure for coal mine fully-mechanized mining hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021417667.9U CN212898564U (en) | 2020-07-17 | 2020-07-17 | Jack protective structure for coal mine fully-mechanized mining hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212898564U true CN212898564U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021417667.9U Expired - Fee Related CN212898564U (en) | 2020-07-17 | 2020-07-17 | Jack protective structure for coal mine fully-mechanized mining hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212898564U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356766A (en) * | 2021-07-05 | 2021-09-07 | 中国煤炭科工集团太原研究院有限公司 | Coal mine digging and anchoring machine |
| CN113356765A (en) * | 2021-07-05 | 2021-09-07 | 中国煤炭科工集团太原研究院有限公司 | Coal mine digging and anchoring machine |
| CN114321593A (en) * | 2021-12-27 | 2022-04-12 | 江苏野马软件科技有限公司 | Pavement damage monitoring devices based on big data |
| GB2614918A (en) * | 2022-01-25 | 2023-07-26 | Caterpillar Inc | Roof support unit for a mining machine |
-
2020
- 2020-07-17 CN CN202021417667.9U patent/CN212898564U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356766A (en) * | 2021-07-05 | 2021-09-07 | 中国煤炭科工集团太原研究院有限公司 | Coal mine digging and anchoring machine |
| CN113356765A (en) * | 2021-07-05 | 2021-09-07 | 中国煤炭科工集团太原研究院有限公司 | Coal mine digging and anchoring machine |
| CN113356765B (en) * | 2021-07-05 | 2023-10-13 | 中国煤炭科工集团太原研究院有限公司 | Coal mine digging and anchoring machine |
| CN113356766B (en) * | 2021-07-05 | 2023-12-12 | 中国煤炭科工集团太原研究院有限公司 | Coal mine digging and anchoring machine |
| CN114321593A (en) * | 2021-12-27 | 2022-04-12 | 江苏野马软件科技有限公司 | Pavement damage monitoring devices based on big data |
| GB2614918A (en) * | 2022-01-25 | 2023-07-26 | Caterpillar Inc | Roof support unit for a mining machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |