CN208057135U - A kind of mining floated type single hydraulic prop stay device - Google Patents
A kind of mining floated type single hydraulic prop stay device Download PDFInfo
- Publication number
- CN208057135U CN208057135U CN201820319060.3U CN201820319060U CN208057135U CN 208057135 U CN208057135 U CN 208057135U CN 201820319060 U CN201820319060 U CN 201820319060U CN 208057135 U CN208057135 U CN 208057135U
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- China
- Prior art keywords
- movable post
- mining
- hydraulic prop
- dagger
- oil cylinder
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Abstract
The utility model discloses a kind of mining floated type single hydraulic prop stay device, including pedestal, oil cylinder, movable post, lower head cover and upper top cover, the lower part of oil cylinder is embedded in pedestal, movable post is located in oil cylinder, the upper end of movable post is equipped with to suspend and cover, suspension covers the lower head cover of setting, cap recess is offered in the upper surface of lower head cover, it is provided with lubricating oil on the end face of cap recess, upper top cover includes spherical part, end cap portions and dagger, dagger is connected to the upper end of end cap portions, spherical part is connected to the lower end of end cap portions, spherical part is in hemispherical, spherical part adaptation is connected in cap recess, the utility model single-body hydraulic prop can preferably support protection, novelty simple in structure, practicability is high.
Description
Technical field
The utility model is related to mine equipment fields, and in particular to a kind of mining floated type single hydraulic prop stay device.
Background technology
As the continuous improvement of coal mining machinery degree, the especially development of mining technology, working face are opened
It adopts intensity to increase considerably, face propulsion speed is accelerated, more to the advance support length requirement to face up and down trough
Height, top plate are accelerated to press so that the pressure bigger of advance support, when especially working face inclination angle is bigger, it is possible to cause down
Column or folding column, there is many at home due to roof weighting, and pillar is fallen by backfin or side, whole to cause working face to stop production
It repaiies, the injures and deaths of personnel, such accident is caused to lead to Support structure damage due to rigid protection transient burst of energy, to entire
Tunnel caves in, it is therefore necessary to this progress pre research, influence examination of the verification exploitation face roof inbreak to advance support
Analysis is tested, on the one hand can prevent roof weighting and cause the accident, the situation of pressure is on the other hand may determine that by device to sentence
The range of disconnected pressure.
Utility model content
The purpose of this utility model is to provide a kind of mining floated type single hydraulic prop stay device, the hydraulic props
Device can preferably support protection, novelty simple in structure, practicability height.
To achieve the goals above, the technical solution of use is the utility model：
A kind of mining floated type single hydraulic prop stay device, including pedestal, oil cylinder, movable post, lower head cover and upper top cover, oil cylinder
Lower part be embedded in pedestal, movable post is located in oil cylinder, and the upper end of movable post is equipped with to suspend and cover, and suspension covers the lower head cover of setting, under
Cap recess is offered in the upper surface of head cover, lubricating oil is provided on the end face of cap recess, and upper top cover includes spherical part, end
Cap and dagger, dagger are connected to the upper end of end cap portions, and spherical part is connected to the lower end of end cap portions, and spherical part is in hemispherical, ball
Body portion adaptation is connected in cap recess.
Preferably, triple-use valve is connected in the movable post, triple-use valve is sleeved in movable post and by set screw and oil cylinder phase
Even.
Preferably, the movable post is cylindrical, and lubricating oil is provided between the outer wall of movable post and the inner wall of oil cylinder.
Preferably, spring assembly is provided in the movable post, the upper end of spring assembly is connect with the lower end for the lid that suspends, spring
The lower end of component is connected with pedestal.
Preferably, there are four the daggers, four daggers are distributed in end cap portions, and the upper surface of dagger is plane, dagger
Upper surface on offer multiple anti-slip tanks.
The utility model has the beneficial effects that：
Above-mentioned mining floated type single hydraulic prop stay device is provided with novel lower head cover and upper top cover, can make hydraulic pressure
Sliding uniform force occurs pillar for top plate above, and flexibility ratio more improves.Traditional pillar can not be eliminated to horizontal direction
Power so that pillar is more stablized in the horizontal direction after improvement, while fall column generations casualty accident can also be avoided, biography
The stud overcap contact jaw of system can not deflect certain angle, and after improvement, when top shifts to press, stud overcap is also therewith
Certain angle is deviated, preferably adapts to coal mine roof plate pressure.
Description of the drawings
Fig. 1 is mining floated type single hydraulic prop stay device overall structure diagram.
Fig. 2 is lower head cover and upper top cover fit structure schematic diagram.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings：
A kind of mining floated type single hydraulic prop stay device combined with Figure 1 and Figure 2, including pedestal 1, oil cylinder 2, movable post 3, under
The lower part of head cover 4 and upper top cover 5, oil cylinder 2 is embedded in pedestal 1, and sealing is provided between the outer wall and the inner wall of pedestal 1 of oil cylinder 2
Washer, movable post 3 are located in oil cylinder 2.The upper end of movable post 1 is provided with suspension lid 6, and lower head cover 4 is arranged on suspension lid 6, lower head cover 4
Offer cap recess 41 in upper surface, 41 concave shape spherical in shape of cap recess is smeared on the end face of cap recess 41 and is provided with
Lubricating oil.Upper top cover 5 includes spherical part 51, end cap portions 52 and dagger 53, and dagger 53 is connected to the upper end of end cap portions 52, spherical part
51 are connected to the lower end of end cap portions 52, and spherical part 51 is in hemispherical, and the adaptation of spherical part 51 is connected in cap recess 41.Work as sphere
After portion 51 is connected to completely in cap recess 41, the lower face of end cap portions 52 connects with the upper end of lower head cover 4.
Triple-use valve 7 is connected in movable post 3, triple-use valve 7 is sleeved in movable post 3 and is connected with oil cylinder by set screw 31.It is living
Column 3 is provided with lubricating oil in oil cylinder 2 between the outer wall and the inner wall of oil cylinder 2 of movable post 3.It is provided with spring assembly in movable post 3
32, the upper end of spring assembly 32 is connect with the lower end of suspension lid 6, and the lower end of spring assembly 32 is connected with pedestal 1.Dagger 53 has four
A, four daggers 53 are distributed on the upper surface of end cap portions 52, and dagger 53 is integrally formed with end cap portions 52, when processing dagger 53
When, the center of four 53 respective bottom faces of dagger is distributed in quadrilateral shape on the upper surface of end cap portions 52, dagger 53 it is upper
End face is plane, and multiple anti-slip tanks 531 are offered on the upper surface of dagger 53.
Above-mentioned mining floated type single hydraulic prop stay device is provided with novel lower head cover 4 and upper top cover 5, lower head cover 4
Upper surface is concave surface, and the lower part of upper top cover 5 is spherical part 51, and upper top cover 5 is connected to the upper of lower head cover 4 by the adaptation of spherical part 51
It holds, lubricating oil is set in the gap between spherical part 51 and lower head cover 4.When the mining floated type single hydraulic prop stay device of use
When, after dagger 53 is under pressure, end cap portions 52 and spherical part 51 are transmitted the force to, when by power vertically downward, spherical part
51 adaptations are connected to the concave surface of lower head cover 4.When by the biasing force or sliding force of top, upper top cover 5 can be in cap recess
Sliding in 41, the structure of head cover 4 and lower 4 lower end of head cover is by stable pressure, hydraulic prop dress under can guarantee in this way
Coal mine roof plate pressure can preferably be adapted to by setting.
The part that do not addressed in the utility model uses or uses for reference prior art and can be realized.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered
Belong to the scope of protection of the utility model.
Claims (5)
1. a kind of mining floated type single hydraulic prop stay device, which is characterized in that including pedestal, oil cylinder, movable post, lower head cover and on
The lower part of head cover, oil cylinder is embedded in pedestal, and movable post is located in oil cylinder, and the upper end of movable post is equipped with to suspend and cover, and suspension covers setting
Lower head cover offers cap recess in the upper surface of lower head cover, lubricating oil is provided on the end face of cap recess, upper top cover includes
Spherical part, end cap portions and dagger, dagger are connected to the upper end of end cap portions, and spherical part is connected to the lower end of end cap portions, and spherical part is in
Hemispherical, spherical part adaptation is connected in cap recess.
2. a kind of mining floated type single hydraulic prop stay device according to claim 1, which is characterized in that in the movable post
It is connected with triple-use valve, triple-use valve is sleeved in movable post and is connected with oil cylinder by set screw.
3. a kind of mining floated type single hydraulic prop stay device according to claim 1, which is characterized in that the movable post is in
It is cylindric, it is provided with lubricating oil between the outer wall of movable post and the inner wall of oil cylinder.
4. a kind of mining floated type single hydraulic prop stay device according to claim 1, which is characterized in that in the movable post
It is provided with spring assembly, the upper end of spring assembly is connect with the lower end for the lid that suspends, and the lower end of spring assembly is connected with pedestal.
5. a kind of mining floated type single hydraulic prop stay device according to claim 1, which is characterized in that the dagger has
Four, four daggers are distributed in end cap portions, and the upper surface of dagger is plane, is offered on the upper surface of dagger multiple anti-skidding
Slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820319060.3U CN208057135U (en) | 2018-03-07 | 2018-03-07 | A kind of mining floated type single hydraulic prop stay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820319060.3U CN208057135U (en) | 2018-03-07 | 2018-03-07 | A kind of mining floated type single hydraulic prop stay device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057135U true CN208057135U (en) | 2018-11-06 |
Family
ID=63991479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820319060.3U Expired - Fee Related CN208057135U (en) | 2018-03-07 | 2018-03-07 | A kind of mining floated type single hydraulic prop stay device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101986A (en) * | 2019-11-25 | 2020-05-05 | 江苏安能钻掘设备科技有限公司 | Mining hydraulic prop |
-
2018
- 2018-03-07 CN CN201820319060.3U patent/CN208057135U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101986A (en) * | 2019-11-25 | 2020-05-05 | 江苏安能钻掘设备科技有限公司 | Mining hydraulic prop |
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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: 20181106 Termination date: 20190307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |