CN204152532U - Anchor rod drawing device - Google Patents
Anchor rod drawing device Download PDFInfo
- Publication number
- CN204152532U CN204152532U CN201420543264.7U CN201420543264U CN204152532U CN 204152532 U CN204152532 U CN 204152532U CN 201420543264 U CN201420543264 U CN 201420543264U CN 204152532 U CN204152532 U CN 204152532U
- Authority
- CN
- China
- Prior art keywords
- lockset
- stretch
- anchor pole
- pallet
- anchor rod
- 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
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to anchor pole pretensioning device technical field, discloses a kind of anchor rod drawing device.Anchor rod drawing device comprises: anchor pole, pallet, lockset and stretch-draw mechanism; Described anchor pole comprises the vacant portion being fixed on the anchoring section in the bolthole of coal and rock by anchoring body and being exposed at outside bolthole outward; Described pallet is arranged on bolthole external port; Described lockset is arranged in described vacant portion, and top is pressed in outside described pallet; Described stretch-draw mechanism is connected with described vacant portion, anchor pole described in outside drawing and top pressure described lockset.Apparatus structure of the present utility model is simple, and fully use existing instrument, construction method is easy, has quick effectively stretching anchor rod, improves bolt pretension, eliminates screw thread moment of torsion, reduces the concentrated advantage of anchor pole combined stresses.
Description
Technical field
The present invention relates to anchor pole pretensioning device technical field, particularly relate to a kind of anchor rod drawing device.
Background technology
Present colliery tunnel support generally adopts bolt support technology, and bolt pretension is colliery tunnel support rigidity leading indicator, improves bolt pretension and can effectively improve supporting integral rigidity.Existing bolt pretension mainly utilizes increases anchor nut torque method increase pretightning force, the method increases DeGrain to bolt pretension, additional twisting action is increased to spiral thread on anchor bolt root simultaneously, generation combined stresses is concentrated, easy damage anchor pole, even often causes the threadingly fracture of root damage of the stressed anchor pole of high pulling torque.
Along with the demand of the supporting of deep mining high stress tunnel and large section roadway supporting, require increasing to the pretightning force of bolt support, the existing method increasing bolt pretension by rotating pretension anchor nut cannot meet field demand.
Summary of the invention
(1) technical problem that will solve
The object of this invention is to provide one can effective stretching anchor rod fast, improves bolt pretension, eliminates screw thread moment of torsion, reduces the anchor rod drawing device that anchor pole combined stresses concentrates.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of anchor rod drawing device, comprising: anchor pole, pallet, lockset and stretch-draw mechanism; Described anchor pole comprises the vacant portion being fixed on the anchoring section in the bolthole of coal and rock by anchoring body and being exposed at outside bolthole outward; Described pallet is arranged on bolthole external port; Described lockset is arranged in described vacant portion, and top is pressed in outside described pallet; Described stretch-draw mechanism is connected with described vacant portion, anchor pole described in outside drawing and top pressure described lockset.
Wherein, this anchor rod drawing device also comprises pressure sleeve and extension bar; Described extension bar is connected with described vacant portion; Described stretch-draw mechanism is connected with described extension bar; Described pressure sleeve empty set is outside described vacant portion and extension bar, and top is pressed between described stretch-draw mechanism and described lockset.
Wherein, described stretch-draw mechanism is stretch-draw jack.
Wherein, spherical ball pad is provided with between described lockset and described pallet.
Wherein, described pallet is fixedly mounted in coal and rock by described anchor pole and lockset.
(3) beneficial effect
Anchor rod drawing device provided by the invention, apparatus structure is simple, and fully use existing instrument, construction method is easy, has quick effectively stretching anchor rod, improves bolt pretension, eliminates screw thread moment of torsion, reduces the concentrated advantage of anchor pole combined stresses.
Accompanying drawing explanation
Fig. 1 is the sectional view that anchor rod drawing device of the present invention is arranged on coal and rock.
In figure, 1: coal and rock; 2: anchor pole; 3: pallet; 4: spherical ball pad; 5: lockset; 6: pressure sleeve; 7: extension bar; 8: stretch-draw mechanism; 9: anchoring body; 11: bolthole; 21: anchoring section; 22: vacant portion.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following instance for illustration of the present invention, but is not used for limiting the scope of the invention.
With reference to shown in Fig. 1, anchor rod drawing device of the present invention, comprising: anchor pole 2, pallet 3, spherical ball pad 4, lockset 5 and stretch-draw mechanism 8; Anchor pole 2 comprises the anchoring section 21 being fixed in the bolthole of coal and rock 1 11 by anchoring body 9 and the vacant portion 22 be exposed at outside bolthole 11 outward.Pallet 3 is fixedly mounted in coal and rock 1 by anchor pole 2 and lockset 5, concrete, and pallet 3 is arranged on bolthole 11 external port of coal and rock 1, and the vacant portion 22 of anchor pole 2 is through pallet 3.Lockset 5 is arranged in vacant portion 22, and top is pressed in outside pallet 3.Between pallet 3 and lockset 5, install spherical ball pad 4, lockset 5 pushes up pressure pallet 3 by spherical ball pad 4.Stretch-draw mechanism 8 is connected with vacant portion 22, outside drawing bolt 2 and top pressure lockset 3, power is delivered on lockset 3.Preferably, stretch-draw mechanism 8 of the present invention adopts food-through tension jack.
Further, anchor rod drawing device also comprises extension bar 7 and pressure sleeve 6, and extension bar 7 is connected with the end in vacant portion 22, and stretch-draw mechanism 8 is connected with extension bar 7.Pressure sleeve 6 empty set is outside vacant portion 22 and extension bar 7, and top is pressed between stretch-draw mechanism 8 and lockset 5.Generally only there is 100 ~ 150mm in the vacant portion 22 be exposed at outside anchor pole 2 outside bolthole 11, and after tray 3, lockset 5, the vacant portion 22 of anchor pole 2 is difficult to be connected with stretch-draw mechanism 8.Be connected with the vacant portion 22 of anchor pole 2 one end of extension bar 7, the other end of extension bar 7 passes from the center of stretch-draw mechanism 8.Stretch-draw mechanism 8 is connected with extension bar 7, by stretch-draw mechanism 8 drawing extension bar 7, thus drawing bolt 2.According to the interaction of power, power is passed to lockset 5 by pressure sleeve 6 by stretch-draw mechanism 8, realizes the object of stretch-draw pretension.
The present invention also provides anchor rod drawing method, comprises the following steps:
Step S1: offer bolthole 11 in coal and rock 1, uses anchoring body 9 to be fixed in bolthole 11 by the anchoring section 21 of anchor pole 2, anchor pole 2 part is exposed as vacant portion 22.
Step S2: at the external port tray 3 of bolthole 11, and spherical ball pad 4 and lockset 5 are installed outside pallet 3.Be fixed in the coal and rock 1 of bolthole 11 external port by anchor pole 2 and lockset 5 by pallet, the vacant portion 22 for anchor pole 2 is passed.Spherical ball pad 4 and lockset 5 are installed successively outside pallet 3, make lockset 5 push up pressure pallet 3 by spherical ball pad 4.
Step S3: stretch-draw mechanism 8 is connected with vacant portion 22 and is pushed up and presses lockset 5, starts stretch-draw mechanism 8 pairs of anchor poles 2 and carries out drawing.Concrete, use extension bar 7 to be connected with vacant portion 22, empty set pressure sleeve 6 outside vacant portion 22 with extension bar 7; Extension bar 7, through stretch-draw mechanism 8, is connected with stretch-draw mechanism 8 by extension bar 7, pressure sleeve 6 is pushed up and is pressed between stretch-draw mechanism 8 and lockset 5, starts stretch-draw mechanism 8 pairs of extension bars 7 and carries out drawing, thus drawing bolt 2.Under the interaction of power, power is passed to lockset 5 by pressure sleeve 6 by stretch-draw mechanism 8, realizes stretch-draw pretension.
Anchor rod drawing device of the present invention, apparatus structure is simple, fully uses existing instrument, construction method is easy, has fast effectively stretching anchor rod, the advantage that raising bolt pretension, elimination screw thread moment of torsion, minimizing anchor pole combined stresses are concentrated, can effectively avoid anchor pole to damage, prevent anchor pole from rupturing.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. an anchor rod drawing device, is characterized in that, comprising: anchor pole, pallet, lockset and stretch-draw mechanism; Described anchor pole comprises the vacant portion being fixed on the anchoring section in the bolthole of coal and rock by anchoring body and being exposed at outside bolthole outward; Described pallet is arranged on bolthole external port; Described lockset is arranged in described vacant portion, and top is pressed in outside described pallet; Described stretch-draw mechanism is connected with described vacant portion, anchor pole described in outside drawing and top pressure described lockset.
2. anchor rod drawing device as claimed in claim 1, it is characterized in that, this anchor rod drawing device also comprises pressure sleeve and extension bar; Described extension bar is connected with described vacant portion; Described stretch-draw mechanism is connected with described extension bar; Described pressure sleeve empty set is outside described vacant portion and extension bar, and top is pressed between described stretch-draw mechanism and described lockset.
3. anchor rod drawing device as claimed in claim 2, it is characterized in that, described stretch-draw mechanism is stretch-draw jack.
4. anchor rod drawing device as claimed in claim 1, is characterized in that, be provided with spherical ball pad between described lockset and described pallet.
5. anchor rod drawing device as claimed in claim 1, it is characterized in that, described pallet is fixedly mounted in coal and rock by anchor pole and lockset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543264.7U CN204152532U (en) | 2014-09-19 | 2014-09-19 | Anchor rod drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543264.7U CN204152532U (en) | 2014-09-19 | 2014-09-19 | Anchor rod drawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152532U true CN204152532U (en) | 2015-02-11 |
Family
ID=52510657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543264.7U Expired - Fee Related CN204152532U (en) | 2014-09-19 | 2014-09-19 | Anchor rod drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295308A (en) * | 2014-09-19 | 2015-01-21 | 天地科技股份有限公司 | Anchor rod drawing device and method |
| CN109794751A (en) * | 2018-10-31 | 2019-05-24 | 山东东山古城煤矿有限公司 | A kind of coal Mine anchorage cable small powder recyclable device |
-
2014
- 2014-09-19 CN CN201420543264.7U patent/CN204152532U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295308A (en) * | 2014-09-19 | 2015-01-21 | 天地科技股份有限公司 | Anchor rod drawing device and method |
| CN109794751A (en) * | 2018-10-31 | 2019-05-24 | 山东东山古城煤矿有限公司 | A kind of coal Mine anchorage cable small powder recyclable device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104295308A (en) | Anchor rod drawing device and method | |
| CN206397530U (en) | A kind of self extending large deformation anchor rod | |
| CN205025117U (en) | Adjustable bearing diagonal is used in assembly type structure prefabricated component installation | |
| CN103422680A (en) | Electrified pole and tower righting device and operation method thereof | |
| CN204152532U (en) | Anchor rod drawing device | |
| CN103741687A (en) | Reaming pressure dispersion type anchor rod | |
| CN201090226Y (en) | Anchor anti-rift arrangement | |
| CN203114315U (en) | Yielding anchor rod capable of monitoring prestress by itself | |
| CN204113316U (en) | A kind of interval screw rod body formula large deformation anchor rod | |
| CN102704828A (en) | Multifunctional hook ladder | |
| CN204753388U (en) | Bridge prestressing force steel strand stretching ware of preventing kick -backing | |
| CN202045491U (en) | Hydraulic stretcher capable of monitoring bolt stretching amount | |
| CN203096597U (en) | Bridge suspender connecting device | |
| CN205154207U (en) | Multistage increase to hinder let pressure stock | |
| CN204200256U (en) | Extrude embedded flexible roof bolt | |
| CN103603685A (en) | Stretchable variable-resistance energy absorption anchor rod | |
| CN203583475U (en) | Prestress tensioning device for short anchor cables | |
| CN203654279U (en) | Prestressing force loading device for glass fiber rib anchor rod | |
| CN203961293U (en) | A kind of construction formwork connection fastening structure | |
| CN203257459U (en) | Mine draw shaft lattice sieve | |
| CN203582049U (en) | Windproof drag cable of ship unloader | |
| CN206174977U (en) | Collection anchor and slip casting recoverable stock as an organic whole | |
| CN203114312U (en) | Supporting system of prestress anchor bar for mine | |
| CN201810327U (en) | Steel strand anchor rod of extruding anchor with external threads | |
| CN204703935U (en) | Anchor pole is with stirring pin nut |
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: 20150211 Termination date: 20150919 |
|
| EXPY | Termination of patent right or utility model |