CN206987848U - High-stability hydraulic prop - Google Patents
High-stability hydraulic prop Download PDFInfo
- Publication number
- CN206987848U CN206987848U CN201720727061.7U CN201720727061U CN206987848U CN 206987848 U CN206987848 U CN 206987848U CN 201720727061 U CN201720727061 U CN 201720727061U CN 206987848 U CN206987848 U CN 206987848U
- Authority
- CN
- China
- Prior art keywords
- hydraulic prop
- fishplate bar
- boards
- interior fishplate
- arc
- 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
- 239000010985 leather Substances 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 101100537937 Caenorhabditis elegans arc-1 gene Proteins 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a high stability's hydraulic prop belongs to hydraulic prop equipment technical field, including the hydraulic prop body, it has three interior fishplate bar to bond on the hydraulic prop body, and the mounting height of each interior fishplate bar is the same, and the contained angle of two adjacent interior fishplate bars is 120, one side that is close to the hydraulic prop body on the interior fishplate bar is equipped with the arc, be equipped with the leather layer between arc and hydraulic prop body, the arc bonds on the hydraulic prop body through the leather layer, it has a plurality of internal connection holes to open on the interior fishplate bar, and internal connection hole inside is equipped with the screw thread, the interior fishplate bar is fixed subaerial through external plate, the external fishplate bar is L shape, and external fishplate bar includes linkage segment, support section, linkage segment and support section integrated into one piece, be equipped with internal connection hole complex bolt on the linkage segment, it has the voussoir mounting hole to open on the support section.
Description
Technical field
A kind of hydraulic prop of high stability is the utility model is related to, belongs to hydraulic prop equipment technical field.
Background technology
In coal mining construction operation, after coal petrography is adopted, certain space is formed, original stress of coal petrography is released
Come, act on the surrounding for adopting space, be allowed to movement and deformation, if this stress bears pressure more than space periphery rock mass
When, will appear from space fixation crush, be broken, bottom plate heave and both sides protrude phenomena such as, gravity be produce mine pressure
One of root, thus the trend that top plate moves down is larger, and coal-face is for this situation using hydraulic support and advanced
Hydraulic prop joint carries out supporting, it is ensured that top plate is intact, is allowed to pressure balance, reduces the destruction to working face.
For hydraulic prop when safeguarding top plate, due to carry out dropping post and setting prop for a long time, and frequency is larger, causes at present
Sealing and triple-use valve are fragile, in order to prevent hydraulic prop release from hurting sb.'s feelings.There is disclosure to be restricted using anti-down by row's branch at present
Post is attached binding, but anti-down rope has the problem of easy to aging or abrasion knots, less stable in underground use；Separately
Outside, the protector also formed using snap ring, chain and suspension hook, pillar, chain Joining clasp and suspension hook are fixed by snap ring,
It is online that suspension hook is fixed on anchor again, in said structure, hydraulic prop is still because the shape of chain does not fix (non-rigid), in support
So meeting run-off the straight, resistance to overturning are poor.
The content of the invention
In view of the above-mentioned problems of the prior art, the utility model provides a kind of hydraulic prop of high stability, can be bright
The aobvious stability of strutting system for improving hydraulic prop, improve the security of coal mining activity.
To achieve these goals, the hydraulic prop for a kind of high stability that the utility model uses, including hydraulic prop
Body, three interior fishplate bars is bonded with the hydraulic prop body, the setting height(from bottom) of each interior fishplate bar is identical, and fishplate bar in adjacent two
Angle be 120 °, be provided with arc, the arc and hydraulic pressure branch close to the side of hydraulic prop body on the interior fishplate bar
Leather layer is provided between post body, arc is bonded on hydraulic prop body by leather layer, is provided with the interior fishplate bar some
Interconnecting hole, interconnecting hole are internally threaded；
The interior fishplate bar is fixed on the ground by boards, and the boards are L-shaped, and boards include linkage section, branch
Section is supportted, linkage section and supporting section are integrally formed, and linkage section is provided with the bolt coordinated with interconnecting hole, is provided with the supporting section
Voussoir mounting hole.
As an improvement, the linkage section and support it is intersegmental be provided with reinforcing plate, reinforcing plate is welded in boards.
As an improvement, packing ring is provided between the linkage section of the boards and interior fishplate bar.
As an improvement, the voussoir uses gad block, voussoir upper end is provided with wedge hole, and wedge is connected to steel wire rope in hole.
As an improvement, the interconnecting hole is equally spaced on interior fishplate bar in column, the bolt, which is arranged in difference, to be connected
Connect on hole, the setting height(from bottom) of fishplate bar and boards is adjusted in realization.
As an improvement, the arc is welded on interior fishplate bar.
Compared with prior art, the beneficial effects of the utility model are：
1) the utility model coordinates boards to play the effect of support protection hydraulic prop using three interior fishplate bars, pass through by
Interior fishplate bar is arranged in column circumference in circle type, is bonded by arc with hydraulic prop, and overall structure is simple, using " lower wall "
Formula consolidates, and can obviously improve the support steadiness of hydraulic prop.
2) using some interconnecting holes are opened up on interior fishplate bar, can be adjusted flexibly according to the bearing height demand of different pillars
The connection height of interior fishplate bar and boards, it is applied widely.
3) boards use L-shaped structure, easy to process, and support performance is stable.
4) interconnecting hole uses screwed hole, is connected by screw bolts conveniently, and bolted stability is good.
5) boards are fixed using voussoir, by the way that voussoir is fixed on into ground, fix boards, and then realized
Support the location and installation of protection.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is interior fishplate bar and the connection status schematic diagram of boards in the utility model；
In figure：1st, arc, 2, interior fishplate bar, 21, interconnecting hole, 3, boards, 31, linkage section, 32, supporting section, 4, spiral shell
Bolt, 5, reinforcing plate, 6, voussoir, 7, hydraulic prop body.
Embodiment
To make the purpose of this utility model, technical scheme and advantage of greater clarity, below by drawings and Examples,
The utility model is further elaborated.However, it should be understood that specific embodiment described herein is only solving
The utility model is released, is not limited to the scope of the utility model.
Unless otherwise defined, all technical terms and scientific terminology used herein are with belonging to skill of the present utility model
The implication that the technical staff in art field is generally understood that is identical, herein in term used in the description of the present utility model only
It is to describe the purpose of specific embodiment, it is not intended that in limitation the utility model.
As shown in Figure 1 and Figure 2, a kind of hydraulic prop of high stability, including hydraulic prop body 7, the hydraulic prop sheet
Three interior fishplate bars 2 are bonded with body 7, the setting height(from bottom) of each interior fishplate bar 2 is identical, and the angle of fishplate bar 2 is 120 ° in adjacent two, branch
Support scope is reasonable, the support effect that can be optimal with the minimum quantity of interior fishplate bar 2, close to hydraulic prop on the interior fishplate bar 2
The side of body 7 is provided with arc 1, is provided with leather layer between the arc 1 and hydraulic prop body 7, arc 1 passes through leather
Layer is bonded on hydraulic prop body 7, on the one hand can improve the contact friction force between arc 1 and hydraulic prop body 7, is prevented
Only mutually slide, while can play a part of protecting hydraulic prop body 7, avoid for a long time using to hydraulic prop body 7
Surface causes to wear, and is provided with some interconnecting holes 21 on the interior fishplate bar 2, interconnecting hole 21 is internally threaded；
The interior fishplate bar 2 is fixed on the ground by boards 3, and the boards 3 are L-shaped, and boards 3 include linkage section
31st, supporting section 32, linkage section 31 and supporting section 32 are integrally formed, and linkage section 31 is provided with the bolt 4 coordinated with interconnecting hole 21,
Voussoir mounting hole is provided with the supporting section 32.
As the improvement of embodiment, reinforcing plate 5 is provided between the linkage section 31 and supporting section 32, reinforcing plate 5 is welded on outer
On fishplate bar 3, effectively play the reinforcing to boards 3, consolidate effect, improve integrally-built stability.
As the improvement of embodiment, packing ring is provided between the linkage section 31 and interior fishplate bar 2 of the boards 3, is effectively alleviated
Rigidity friction between boards 3 and interior fishplate bar 2, avoids contact for a long time from causing to damage to boards 3 or interior fishplate bar 2.
As the improvement of embodiment, the voussoir 6 uses gad block, effectively can fix boards 3 on the ground, voussoir
6 upper ends are provided with wedge hole, and wedge is connected to steel wire rope in hole.When needing to dismantle support protection, by steel wire rope by voussoir 6 from ground
Extract, then dismantle boards 3.
As the improvement of embodiment, the interconnecting hole 21 is equally spaced on interior fishplate bar 2 in column, and the bolt 4 is pacified
On different interconnecting holes 21, the setting height(from bottom) of fishplate bar 2 and boards 3 is adjusted in realization, easy to process, and according to different height
The interconnecting hole 21 of degree, the setting height(from bottom) of interior fishplate bar 2 and boards 3 is can adjust, the firm demand of different hydraulic props can be met.
As the improvement of embodiment, the arc 1 is welded on interior fishplate bar 2, and structure is more firm.
As shown in figure 1, during installation, three interior fishplate bars 2 are first bonded in hydraulic prop body 7 by leather layer thereon
On, the interconnecting hole 21 of diverse location is then passed through by bolt 4, interior fishplate bar 2 and boards 3 are connected, now pass through wedge again
Boards 3 are directly anchored to ground by block 6 through voussoir mounting hole, and now, " lower wall " of hydraulic prop body 7 is by firm branch
Support, does not influence normally to drop post and setting prop, due to using (fishplate bar and boards in the bolt connection) support that is rigidly connected, therefore liquid
Press pillar will not run-off the straight, steadiness is more preferable；After a period of time, during dismounting, voussoir 6 is pulled out from ground by steel wire rope
Go out, then dismounting boards 3, then demounting bolt 4, fishplate bar 2 and boards 3 in separation.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent substitution or improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of hydraulic prop of high stability, including hydraulic prop body (7), it is characterised in that the hydraulic prop body
(7) three interior fishplate bars (2) are bonded with, the setting height(from bottom) of each interior fishplate bar (2) is identical, and the angle of fishplate bar (2) is in adjacent two
120 °, the side on the interior fishplate bar (2) close to hydraulic prop body (7) is provided with arc (1), the arc (1) and liquid
Leather layer is provided between pressure pillar body (7), arc (1) is bonded on hydraulic prop body (7) by leather layer, described inscribed
Some interconnecting holes (21) are provided with plate (2), interconnecting hole (21) is internally threaded；
The interior fishplate bar (2) is fixed on the ground by boards (3), and the boards (3) are L-shaped, and boards (3) include connecting
Section (31), supporting section (32) are connect, linkage section (31) and supporting section (32) are integrally formed, and linkage section (31) is provided with and interconnecting hole
(21) bolt (4) coordinated, voussoir mounting hole is provided with the supporting section (32).
2. the hydraulic prop of a kind of high stability according to claim 1, it is characterised in that the linkage section (31) and branch
Reinforcing plate (5) is provided between support section (32), reinforcing plate (5) is welded in boards (3).
A kind of 3. hydraulic prop of high stability according to claim 1, it is characterised in that the company of the boards (3)
Connect and packing ring is provided between section (31) and interior fishplate bar (2).
4. the hydraulic prop of a kind of high stability according to claim 1, it is characterised in that the voussoir (6) uses steel
Voussoir, voussoir (6) upper end are provided with wedge hole, and wedge is connected to steel wire rope in hole.
A kind of 5. hydraulic prop of high stability according to claim 1, it is characterised in that the interconnecting hole (21) into
Row be equally spaced on interior fishplate bar (2), the bolt (4) be arranged on different interconnecting holes (21) on, in realization fishplate bar (2) and
The setting height(from bottom) regulation of boards (3).
A kind of 6. hydraulic prop of high stability according to claim 1, it is characterised in that arc (1) welding
On interior fishplate bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720727061.7U CN206987848U (en) | 2017-06-21 | 2017-06-21 | High-stability hydraulic prop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720727061.7U CN206987848U (en) | 2017-06-21 | 2017-06-21 | High-stability hydraulic prop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206987848U true CN206987848U (en) | 2018-02-09 |
Family
ID=61396865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720727061.7U Expired - Fee Related CN206987848U (en) | 2017-06-21 | 2017-06-21 | High-stability hydraulic prop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206987848U (en) |
-
2017
- 2017-06-21 CN CN201720727061.7U patent/CN206987848U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20210621 |