CN204552782U - A kind of anchor pole is by pressure device - Google Patents
A kind of anchor pole is by pressure device Download PDFInfo
- Publication number
- CN204552782U CN204552782U CN201520265742.7U CN201520265742U CN204552782U CN 204552782 U CN204552782 U CN 204552782U CN 201520265742 U CN201520265742 U CN 201520265742U CN 204552782 U CN204552782 U CN 204552782U
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- China
- Prior art keywords
- hole
- anchor pole
- damping plug
- level
- pressure
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of anchor pole by pressure device, comprise the front tray be set in successively on free section, cylindrical shell, motion bar, rear pallet and nut, barrel front end face is close proximity on holder rear end face, annular oil cavity is had in cylindrical shell, annular oil cavity port is provided with oil seal ring, cylindrical shell is allowed by rear and presses hole to the front one-level be communicated with annular oil cavity that has successively, secondary allow pressure hole and three grades allow pressure hole, one-level allows press in hole and is provided with one-level damping plug, secondary allows press in hole and is provided with secondary damping plug, three grades allow pressure hole in be provided with three-stage damping plug, one-level damping plug, the maximum pressure that secondary damping plug and three-stage damping plug can bear increases gradually, motion bar front end is positioned at cylindrical shell, nut coordinates with anchor pole, nut presses on butt back-end disk face.The utility model solves and adopts butterfly pallet anchor pole easy fracture not have to allow pressure effect and employing allow compressed steel band allow pressure act on unconspicuous problem, reach the complete object of protection anchor pole by ejecting of damping plug.
Description
Technical field
The utility model relates to one allows pressure device, especially relates to a kind of anchor pole by pressure device.
Background technology
In soft rock roadway support, usually adopt bolt support, because soft rock has large deformation characteristic, and anchor pole elongation per unit length is not enough, so anchor pole is easy to be pulled off.Therefore, in soft rock roadway support, anchor pole usually need be arranged in pairs or groups and be allowed pressure component carry out supporting.At present, adopt butterfly pallet and allow compressed steel band as allowing pressure component more, these two kinds allow pressure component in use all there is shortcoming.Adopt butterfly pallet, butterfly pallet is that the metal reaction time is long, often occurs that front tray is not impaired, and anchor pole phenomenon of rupture, do not have the pressure effect that allows, namely do not have the protective effect to anchor pole; Employing allows compressed steel band, makes compressed steel band rigidity little, easily large deformation occurs, make pressure effect not obvious, very little to the protective effect of anchor pole.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art; there is provided a kind of anchor pole by pressure device; its structure is simple, reasonable in design and easy to install; the supporting performance of existing bolt support can be improved; can well be applicable in soft rock roadway support engineering; solve and adopt butterfly pallet anchor pole easy fracture not have to allow pressure effect and employing allow compressed steel band allow pressure act on unconspicuous problem; reach the complete object of protection anchor pole by ejecting of damping plug, ensure that enterprise security is produced in order.
For achieving the above object, the technical solution adopted in the utility model is: a kind of anchor pole is by pressure device, it is characterized in that: comprise the front tray be set in successively on free section, cylindrical shell, motion bar, rear pallet and nut, the front end face of described cylindrical shell is close proximity on the rear end face of front tray, the annular oil cavity for holding hydraulic oil is had in described cylindrical shell, described annular oil cavity port is provided with oil seal ring, on described cylindrical shell by rear to front have successively one-level allow pressure hole, secondary allow pressure hole and three grades allow pressure hole, described one-level allows press in hole and is provided with one-level damping plug, described secondary allows press in hole and is provided with secondary damping plug, described three grades allow pressure hole in be provided with three-stage damping plug, described one-level allows presses hole, secondary allows pressure hole allow pressure Kong Junyu annular oil cavity be communicated with three grades, described one-level damping plug, the maximum pressure that secondary damping plug and three-stage damping plug can bear increases gradually, the front end of described motion bar is positioned at cylindrical shell, described nut coordinates with anchor pole, described nut presses on the rear end face of rear pallet.
Above-mentioned a kind of anchor pole is by pressure device, it is characterized in that: described one-level allows pressure hole, secondary allow pressure hole and three grades allow the quantity in pressure hole be multiple, multiple one-level allows pressure hole be positioned at same plane and evenly to lay, multiple secondary allows pressure hole be positioned at same plane and evenly to lay, and multiple three grades allow pressure hole be positioned at same plane and evenly to lay.
Above-mentioned a kind of anchor pole, by pressure device, is characterized in that: the shape of described rear pallet is for circular, and the shape of cross section of described motion bar is annular, the external diameter of described motion bar and the equal diameters of rear pallet.
Above-mentioned a kind of anchor pole, by pressure device, is characterized in that: the shape of described front tray is circle, and the diameter of described front tray is greater than the diameter of rear pallet.
Above-mentioned a kind of anchor pole, by pressure device, is characterized in that: described front tray and rear pallet are steel disk.
The utility model compared with prior art has the following advantages:
1, the utility model structure is simple, reasonable in design and easy to install.
2, the utility model cylindrical shell, motion bar, rear pallet are fixed by nut and front tray, motion bar transfers the load in hydraulic oil and hydraulic oil internal pressure is increased, it is stressed that damping plug can ensure that anchor pole load is in safety, when load is increased to the maximum pressure value that damping plug can bear, damping plug is ejected, and allows discharge opeing in pressure hole allow pressure.
3, the utility model has the function allowing step by step and press, and can also ensure that after the utility model destroys anchor pole utilization itself stretches and continue to play a role, this device is applicable to underground coal mine High Strength Roof Bolt Support, and make pressure speed fast, supporting effect is good.
4, the utility model adopts hydraulic oil as transmission medium, and pressure conduction is faster than the butterfly pallet speed of metal, can improve the supporting performance of existing bolt support, can well be applicable in soft rock roadway support engineering.
5, the utility model solves and adopts butterfly pallet anchor pole easy fracture not have to allow pressure effect and employing allow compressed steel band allow pressure act on unconspicuous problem, reach the complete object of protection anchor pole, ensure that enterprise security is produced in order by ejecting of damping plug.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation after the utility model removes hydraulic oil, one-level damping plug, secondary damping plug and three-stage damping plug.
Description of reference numerals:
1-anchor pole; 2-front tray; 3-hydraulic oil;
3-1-annular oil cavity; 4-cylindrical shell; 5-rear pallet;
6-one-level allows presses hole; 6-1-one-level damping plug; 7-secondary allows presses hole;
7-1-secondary damping plug; 8-three grades allow pressure hole; 8-1-three-stage damping plug;
9-nut; 10-motion bar; 11-oil seal ring.
Detailed description of the invention
As depicted in figs. 1 and 2, the utility model comprises the front tray 2 be set in successively on anchor pole 1 free segment, cylindrical shell 4, motion bar 10, rear pallet 5 and nut 9, the front end face of described cylindrical shell 4 is close proximity on the rear end face of front tray 2, the annular oil cavity 3-1 for holding hydraulic oil 3 is had in described cylindrical shell 4, described annular oil cavity 3-1 port is provided with oil seal ring 11, on described cylindrical shell 4 by rear to front have successively one-level allow pressure hole 6, secondary allow pressure hole 7 and three grades allow pressure hole 8, described one-level allows press in hole 6 and is provided with one-level damping plug 6-1, described secondary allows press in hole 7 and is provided with secondary damping plug 7-1, described three grades allow pressure hole 8 in be provided with three-stage damping plug 8-1, described one-level allows presses hole 6, secondary allows pressure hole 7 allow pressure hole 8 all be communicated with annular oil cavity 3-1 with three grades, described one-level damping plug 6-1, the maximum pressure that secondary damping plug 7-1 and three-stage damping plug 8-1 can bear increases gradually, the front end of described motion bar 10 is positioned at cylindrical shell 4, described nut 9 coordinates with anchor pole 1, described nut 9 presses on the rear end face of rear pallet 5.
In the present embodiment, described one-level allows pressure hole 6, secondary allow pressure hole 7 and three grades allow the quantity in pressure hole 8 be multiple, multiple one-level allows pressure hole 6 be positioned at same plane and evenly to lay, multiple secondary allows pressure hole 7 be positioned at same plane and evenly to lay, and multiple three grades allow pressure hole 8 be positioned at same plane and evenly to lay.
In the present embodiment, the shape of described rear pallet 5 is circular, and the shape of cross section of described motion bar 10 is annular, the external diameter of described motion bar 10 and the equal diameters of rear pallet 5.
In the present embodiment, the shape of described front tray 2 is circle, and the diameter of described front tray 2 is greater than the diameter of rear pallet 5.
In the present embodiment, described front tray 2 and rear pallet 5 are steel disk.
Operating principle of the present utility model is: during installation, until anchor pole 1 anchoring section soft rock boring internal fixtion firmly after, front tray 2, cylindrical shell 4, motion bar 10, rear pallet 5 and nut 9 are set on the free segment of anchor pole 1, oil seal ring 11 is placed on the port of annular oil cavity 3-1, and make nut 9 press on the rear end face of rear pallet 5, finally by predetermined pretightning force, nut 9 is tightened, front tray 2 and soft rock sidewall are abutted against.When back occurs, the change in displacement of soft rock can be acted on cylindrical shell 4 by front tray 2, and cylindrical shell 4 is slided along motion bar 10, will compress liquid hydraulic oil 3, hydraulic oil 3 possesses compressibilty hardly, and internal pressure increases.When the load of anchor pole 1 is increased to the maximum pressure that one-level damping plug 6-1 can bear gradually, one-level damping plug 6-1 is ejected, and section hydraulic oil 3 allows pressure hole 6 discharge from one-level; Increase when the load of anchor pole 1 produces, when reaching the maximum pressure that secondary damping plug 7-1 can bear, one-level damping plug 6-1 and secondary damping plug 7-1 is all ejected, and section hydraulic oil 3 allows pressure hole 6 and secondary allow pressure hole 7 discharge from one-level; When the load of anchor pole 1 produces sharp increase, when reaching the maximum pressure that three-stage damping plug 8-1 can bear, one-level damping plug 6-1, secondary damping plug 7-1 and three-stage damping plug 8-1 are all ejected, section hydraulic oil 3 one-levels allow pressure hole 6, secondary allow pressure hole 7 and three grades allow pressure hole 8 discharge, the stress and strain energy of release soft rock, makes anchor pole 1 surrender can not occur prematurely because stress concentrates disrumpent feelings.Wherein, front tray 2 mainly plays a part to increase lifting surface area, reduce pressure, and rear pallet 5 mainly rises and increases nut 9 and the contact area of rear pallet 5, guarantees 10 motion bar 10 uniform force.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. an anchor pole is by pressure device, it is characterized in that: comprise the front tray (2) be set in successively on anchor pole (1) free segment, cylindrical shell (4), motion bar (10), rear pallet (5) and nut (9), the front end face of described cylindrical shell (4) is close proximity on the rear end face of front tray (2), the annular oil cavity (3-1) for holding hydraulic oil (3) is had in described cylindrical shell (4), described annular oil cavity (3-1) port is provided with oil seal ring (11), on described cylindrical shell (4) by rear to front have successively one-level allow pressure hole (6), secondary allow pressure hole (7) and three grades allow press hole (8), described one-level allows press in hole (6) and is provided with one-level damping plug (6-1), described secondary allows press in hole (7) and is provided with secondary damping plug (7-1), described three grades allow in pressure hole (8) and are provided with three-stage damping plug (8-1), described one-level allows presses hole (6), secondary allows pressure hole (7) allow pressure hole (8) all be communicated with annular oil cavity (3-1) with three grades, described one-level damping plug (6-1), the maximum pressure that secondary damping plug (7-1) and three-stage damping plug (8-1) can bear increases gradually, the front end of described motion bar (10) is positioned at cylindrical shell (4), described nut (9) coordinates with anchor pole (1), described nut (9) presses on the rear end face of rear pallet (5).
2. according to a kind of anchor pole according to claim 1 by pressure device, it is characterized in that: described one-level allow pressure hole (6), secondary allow pressure hole (7) and three grades allow press hole (8) quantity be multiple, multiple one-level allows pressure hole (6) be positioned at same plane and evenly to lay, multiple secondary allows pressure hole (7) be positioned at same plane and evenly to lay, and multiple three grades allow pressure hole (8) be positioned at same plane and evenly to lay.
3. according to a kind of anchor pole described in claim 1 or 2 by pressure device, it is characterized in that: the shape of described rear pallet (5) is for circular, the shape of cross section of described motion bar (10) is annular, the external diameter of described motion bar (10) and the equal diameters of rear pallet (5).
4. according to a kind of anchor pole according to claim 3 by pressure device, it is characterized in that: the shape of described front tray (2) is circle, the diameter of described front tray (2) is greater than the diameter of rear pallet (5).
5. according to a kind of anchor pole described in claim 1 or 2 by pressure device, it is characterized in that: described front tray (2) and rear pallet (5) are steel disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520265742.7U CN204552782U (en) | 2015-04-28 | 2015-04-28 | A kind of anchor pole is by pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520265742.7U CN204552782U (en) | 2015-04-28 | 2015-04-28 | A kind of anchor pole is by pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204552782U true CN204552782U (en) | 2015-08-12 |
Family
ID=53827909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520265742.7U Expired - Fee Related CN204552782U (en) | 2015-04-28 | 2015-04-28 | A kind of anchor pole is by pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204552782U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781599A (en) * | 2016-05-20 | 2016-07-20 | 辽宁工程技术大学 | Energy absorption anchor rod tray |
| CN106401627A (en) * | 2016-09-23 | 2017-02-15 | 山东科技大学 | Metal anchor rod with yielding function and using method thereof |
| CN107227967A (en) * | 2017-07-10 | 2017-10-03 | 中国矿业大学 | A kind of constant resistance and large deformation pressure-relieving achor bar or anchor cable |
| CN108386218A (en) * | 2018-03-12 | 2018-08-10 | 中国矿业大学 | A kind of roadway bolt pretightning force is accurately constructed and monitoring allows pressure device and application method |
| CN109763851A (en) * | 2019-03-28 | 2019-05-17 | 中国矿业大学 | Have anchor force grading forewarning system and the reciprocal plastic deformation of tool allows the anchorage and method of pressure characteristic |
| CN113417682A (en) * | 2021-08-10 | 2021-09-21 | 安徽理工大学 | non-Newtonian fluid lets presses and struts stock |
| CN113417681A (en) * | 2021-08-12 | 2021-09-21 | 安徽理工大学 | non-Newtonian fluid yielding support anchor rod and use method thereof |
| CN117988908A (en) * | 2024-04-03 | 2024-05-07 | 武汉大学 | Graded early warning anchor rod based on liquid metal and early warning method |
-
2015
- 2015-04-28 CN CN201520265742.7U patent/CN204552782U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781599A (en) * | 2016-05-20 | 2016-07-20 | 辽宁工程技术大学 | Energy absorption anchor rod tray |
| CN106401627A (en) * | 2016-09-23 | 2017-02-15 | 山东科技大学 | Metal anchor rod with yielding function and using method thereof |
| CN106401627B (en) * | 2016-09-23 | 2018-05-29 | 山东科技大学 | A kind of anchor metal and its application method allow with pressure |
| CN107227967A (en) * | 2017-07-10 | 2017-10-03 | 中国矿业大学 | A kind of constant resistance and large deformation pressure-relieving achor bar or anchor cable |
| CN108386218A (en) * | 2018-03-12 | 2018-08-10 | 中国矿业大学 | A kind of roadway bolt pretightning force is accurately constructed and monitoring allows pressure device and application method |
| CN109763851A (en) * | 2019-03-28 | 2019-05-17 | 中国矿业大学 | Have anchor force grading forewarning system and the reciprocal plastic deformation of tool allows the anchorage and method of pressure characteristic |
| CN109763851B (en) * | 2019-03-28 | 2020-05-22 | 中国矿业大学 | Anchor with anchoring force grading early warning function and reciprocating flexible deformation yielding characteristic and method |
| CN113417682A (en) * | 2021-08-10 | 2021-09-21 | 安徽理工大学 | non-Newtonian fluid lets presses and struts stock |
| CN113417681A (en) * | 2021-08-12 | 2021-09-21 | 安徽理工大学 | non-Newtonian fluid yielding support anchor rod and use method thereof |
| CN117988908A (en) * | 2024-04-03 | 2024-05-07 | 武汉大学 | Graded early warning anchor rod based on liquid metal and early warning method |
| CN117988908B (en) * | 2024-04-03 | 2024-06-11 | 武汉大学 | Graded early warning anchor rod based on liquid metal and early warning method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160428 |