CN202140022U - Anchor rod bottom-enlarging bit - Google Patents
Anchor rod bottom-enlarging bit Download PDFInfo
- Publication number
- CN202140022U CN202140022U CN201120242760U CN201120242760U CN202140022U CN 202140022 U CN202140022 U CN 202140022U CN 201120242760 U CN201120242760 U CN 201120242760U CN 201120242760 U CN201120242760 U CN 201120242760U CN 202140022 U CN202140022 U CN 202140022U
- Authority
- CN
- China
- Prior art keywords
- knife plate
- plate frame
- push rod
- flowing water
- joint
- 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
Images
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Abstract
The utility model belongs to an anchor rod bottom-enlarging bit, wherein a blind hole is formed at the front end of a joint, internal threads are arranged on the inner wall at the front section of the blind hole; a push rod is in plug-in connection in an axial mounting hole of a cutting board rack in a sliding manner; the rear end part of the cutting board rack is in plug-in connection and provided with a reserved clearance; a front drill bit is fixed with the front end part of the cutting board rack; a limit slot is formed on the outer wall at the rear end part of the cutting board rack; a spline housing is in bolted connection with the interior of the front section of the blind hole of the joint; a clamp key is fixed in the blind hole of the joint through the spline housing; a cutting board slot is formed on the outer wall of the cutting board rack; broaching cutting boards are hinged on the cutting board rack; broaching gears are arranged at the rear end parts of the broaching cutting boards; pushing teeth are arranged on the outer wall of the push rod; a joint water-running passage is formed in the joint; a push rod water-running passage is formed in the push rod; a cutting board rack water-running passage is formed on the cutting board rack; and the outlet end of the cutting board rack water-running passage is formed on the circumferential side wall of the cutting board rack. The anchor rod bottom-enlarging bit has the advantages of simple structure, reliable performance, convenience for use, and the like.
Description
Technical field
The utility model belongs to geological hazard control construction equipment technical field, especially a kind of Anchor rod base-enlarging drill bit.
Background technology
At present, in the anchor hole construction, generally be designed to single aperture,, often rely on the increase drilling depth to realize, so construction costs be higher in order to improve resistance to tension.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art, and a kind of simple in structure, dependable performance, mechanical rock bolt bottom expanding drill easy to use are provided.
According to the technical scheme that the utility model provides, said Anchor rod base-enlarging drill bit, it comprises joint, push rod, knife plate frame and preceding drill bit; Front end at joint offers blind hole, and the leading portion inwall of blind hole has internal thread, and sliding plug has push rod in the axial installing hole of knife plate frame; The rearward end gap of knife plate frame is plugged on; Leading section at the knife plate frame is fixed with preceding drill bit, and the rearward end outer wall of knife plate frame offers stopper slot, in the blind hole leading portion of joint, is bolted with spline housing; In the blind hole of joint, be fixed with the card key through spline housing, the card key embeds in the described stopper slot; On knife plate frame outer wall along axially offering the knife plate groove; On the knife plate frame, be hinged with the reaming knife plate through bearing pin, the reaming knife plate cooperates with the knife plate groove, has the reaming gear in the rearward end of reaming knife plate; Have the tooth of pushing away at the push rod outer wall, push away tooth and described reaming gears engaged; In joint, offer joint flowing water passage; In push rod, offer push rod flowing water passage; On the knife plate frame, offer knife plate frame flowing water passage; The port of export of knife plate frame flowing water passage is opened on the circumferential side wall of knife plate frame, is connected through push rod flowing water passage between joint flowing water passage and the knife plate frame flowing water passage.
Between push rod and knife plate frame, be provided with back-moving spring.
Described joint flowing water passage axially offering along joint.
Described push rod flowing water passage is included in the push rod along the push rod flowing water main channel of axially offering, in push rod along the push rod flowing water subchannel of radially offering.
Described knife plate frame flowing water passage is included in the knife plate frame along the knife plate frame flowing water main channel of axially offering, in the knife plate frame along the knife plate frame flowing water subchannel of radially offering.
The utlity model has simple in structure, dependable performance and advantage such as easy to use.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model.
The specific embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in the figure: this Anchor rod base-enlarging drill bit, it comprises joint 1, push rod 4, knife plate frame 7 and preceding drill bit 8, offers blind hole at the front end of joint 1; The leading portion inwall of blind hole has internal thread; Sliding plug has push rod 4 in the axial installing hole of knife plate frame 7, and the rearward end gap of knife plate frame 7 is plugged on, and drill bit 8 before the leading section of knife plate frame 7 is fixed with; The rearward end outer wall of knife plate frame 7 offers stopper slot 7.1; In the blind hole leading portion of joint 1, be bolted with spline housing 3, in the blind hole of joint 1, be fixed with card key 2 through spline housing 3, card key 2 embeds in the described stopper slot 7.1; On knife plate frame 7 outer walls along axially offering knife plate groove 7.2; On knife plate frame 7, be hinged with reaming knife plate 5 through bearing pin; Reaming knife plate 5 cooperates with knife plate groove 7.2; Rearward end at reaming knife plate 5 has reaming gear 5.1, has the tooth of pushing away 4.1 at push rod 4 outer walls, pushes away tooth 4.1 and described reaming gear 5.1 engagements; In joint 1, offer joint flowing water passage 1.1; In push rod 4, offer push rod flowing water passage 4.2; On knife plate frame 7, offer knife plate frame flowing water passage 7.3; The port of export of knife plate frame flowing water passage 7.3 is opened on the circumferential side wall of knife plate frame 7, is connected through push rod flowing water passage 4.2 between joint flowing water passage 1.1 and the knife plate frame flowing water passage 7.3.
Between push rod 4 and knife plate frame 7, be provided with back-moving spring 6.
Described joint flowing water passage 1.1 axially offering along joint 1.
Described push rod flowing water passage 4.2 is included in the push rod 4 along the push rod flowing water main channel of axially offering, in push rod 4 along the push rod flowing water subchannel of radially offering.
Described knife plate frame flowing water passage 7.3 is included in the knife plate frame 7 along the knife plate frame flowing water main channel of axially offering, in knife plate frame 7 along the knife plate frame flowing water subchannel of radially offering.
In the utility model, reaming knife plate 5 can be provided with two or more on demand.
Claims (5)
1. Anchor rod base-enlarging drill bit; It is characterized in that: it comprises joint (1), push rod (4), knife plate frame (7) and preceding drill bit (8); Front end at joint (1) offers blind hole, and the leading portion inwall of blind hole has internal thread, and sliding plug has push rod (4) in the axial installing hole of knife plate frame (7); The rearward end gap of knife plate frame (7) is plugged on; Leading section at knife plate frame (7) is fixed with preceding drill bit (8), and the rearward end outer wall of knife plate frame (7) offers stopper slot (7.1), in the blind hole leading portion of joint (1), is bolted with spline housing (3); In the blind hole of joint (1), be fixed with card key (2) through spline housing (3), card key (2) embeds in the described stopper slot (7.1); On knife plate frame (7) outer wall along axially offering knife plate groove (7.2); Upward be hinged with reaming knife plate (5) at knife plate frame (7) through bearing pin; Reaming knife plate (5) cooperates with knife plate groove (7.2); Rearward end at reaming knife plate (5) has reaming gear (5.1), has the tooth of pushing away (4.1) at push rod (4) outer wall, pushes away tooth (4.1) and described reaming gear (5.1) engagement; In joint (1), offer joint flowing water passage (1.1); In push rod (4), offer push rod flowing water passage (4.2); On knife plate frame (7), offer knife plate frame flowing water passage (7.3); The port of export of knife plate frame flowing water passage (7.3) is opened on the circumferential side wall of knife plate frame (7), is connected through push rod flowing water passage (4.2) between joint flowing water passage (1.1) and the knife plate frame flowing water passage (7.3).
2. Anchor rod base-enlarging drill bit as claimed in claim 1 is characterized in that: between push rod (4) and knife plate frame (7), be provided with back-moving spring (6).
3. Anchor rod base-enlarging drill bit as claimed in claim 1 is characterized in that: described joint flowing water passage (1.1) axially offering along joint (1).
4. Anchor rod base-enlarging drill bit as claimed in claim 1 is characterized in that: described push rod flowing water passage (4.2) is included in the push rod (4) along the push rod flowing water main channel of axially offering, in push rod (4) along the push rod flowing water subchannel of radially offering.
5. Anchor rod base-enlarging drill bit as claimed in claim 1; It is characterized in that: described knife plate frame flowing water passage (7.3) is included in the knife plate frame (7) along the knife plate frame flowing water main channel of axially offering, in knife plate frame (7) along the knife plate frame flowing water subchannel of radially offering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120242760U CN202140022U (en) | 2011-07-11 | 2011-07-11 | Anchor rod bottom-enlarging bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120242760U CN202140022U (en) | 2011-07-11 | 2011-07-11 | Anchor rod bottom-enlarging bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202140022U true CN202140022U (en) | 2012-02-08 |
Family
ID=45551083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120242760U Expired - Fee Related CN202140022U (en) | 2011-07-11 | 2011-07-11 | Anchor rod bottom-enlarging bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202140022U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726791A (en) * | 2014-01-24 | 2014-04-16 | 河南理工大学 | Pipe-following drilling reaming device for gas extraction holes in soft broken coal bed |
| CN105735900A (en) * | 2016-04-20 | 2016-07-06 | 广西建工集团第二安装建设有限公司 | Back-enlarging head for anchor hole chambering |
| CN106014464A (en) * | 2016-07-27 | 2016-10-12 | 屈荐映 | Environment-friendly anchor rod for building municipal engineering |
| CN106013186A (en) * | 2016-06-21 | 2016-10-12 | 陈素珍 | Slope strengthening device for building municipal engineering |
| CN106065623A (en) * | 2016-06-22 | 2016-11-02 | 陈素珍 | A kind of building municipal works slope anchorage device |
| CN106120814A (en) * | 2016-06-21 | 2016-11-16 | 陈素珍 | A kind of architectural engineering slope reinforcement device |
| CN106149718A (en) * | 2016-07-27 | 2016-11-23 | 屈荐映 | A kind of building municipal works improvement anchor pole |
| CN106223990A (en) * | 2016-07-27 | 2016-12-14 | 屈荐映 | A kind of building municipal works anchor pole |
| CN106245644A (en) * | 2016-07-27 | 2016-12-21 | 屈荐映 | A kind of building municipal administration anchor pole |
| CN109098666A (en) * | 2018-08-29 | 2018-12-28 | 郭旭 | A kind of PDC drill bit |
| CN109252518A (en) * | 2018-11-21 | 2019-01-22 | 黑龙江建筑职业技术学院 | A kind of reducing anchor rod and its anchoring process |
| CN110106879A (en) * | 2019-05-16 | 2019-08-09 | 陈艳龙 | Stake equipment is expanded in a kind of calibration of the high applicability various dimensions of road and bridge engineering |
-
2011
- 2011-07-11 CN CN201120242760U patent/CN202140022U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726791A (en) * | 2014-01-24 | 2014-04-16 | 河南理工大学 | Pipe-following drilling reaming device for gas extraction holes in soft broken coal bed |
| CN103726791B (en) * | 2014-01-24 | 2016-03-30 | 河南理工大学 | Soft and broken seam gas pumping hole pipe-following drilling Counterboring apparatus |
| CN105735900A (en) * | 2016-04-20 | 2016-07-06 | 广西建工集团第二安装建设有限公司 | Back-enlarging head for anchor hole chambering |
| CN106013186B (en) * | 2016-06-21 | 2019-06-14 | 重庆建工第二建设有限公司 | A kind of building municipal works slope reinforcement device |
| CN106013186A (en) * | 2016-06-21 | 2016-10-12 | 陈素珍 | Slope strengthening device for building municipal engineering |
| CN106120814A (en) * | 2016-06-21 | 2016-11-16 | 陈素珍 | A kind of architectural engineering slope reinforcement device |
| CN106120814B (en) * | 2016-06-21 | 2019-05-21 | 广东钜能建设有限公司 | A kind of architectural engineering slope reinforcement device |
| CN106065623A (en) * | 2016-06-22 | 2016-11-02 | 陈素珍 | A kind of building municipal works slope anchorage device |
| CN106223990A (en) * | 2016-07-27 | 2016-12-14 | 屈荐映 | A kind of building municipal works anchor pole |
| CN106245644A (en) * | 2016-07-27 | 2016-12-21 | 屈荐映 | A kind of building municipal administration anchor pole |
| CN106223990B (en) * | 2016-07-27 | 2018-10-02 | 屈荐映 | A kind of building municipal works anchor pole |
| CN106014464B (en) * | 2016-07-27 | 2018-10-19 | 深圳百勤建设工程有限公司 | A kind of environment-friendly type building municipal works anchor pole |
| CN106149718B (en) * | 2016-07-27 | 2018-11-13 | 屈荐映 | A kind of building municipal works improvement anchor pole |
| CN106245644B (en) * | 2016-07-27 | 2018-12-18 | 屈荐映 | A kind of building municipal administration anchor pole |
| CN106149718A (en) * | 2016-07-27 | 2016-11-23 | 屈荐映 | A kind of building municipal works improvement anchor pole |
| CN106014464A (en) * | 2016-07-27 | 2016-10-12 | 屈荐映 | Environment-friendly anchor rod for building municipal engineering |
| CN109098666A (en) * | 2018-08-29 | 2018-12-28 | 郭旭 | A kind of PDC drill bit |
| CN109252518A (en) * | 2018-11-21 | 2019-01-22 | 黑龙江建筑职业技术学院 | A kind of reducing anchor rod and its anchoring process |
| CN110106879A (en) * | 2019-05-16 | 2019-08-09 | 陈艳龙 | Stake equipment is expanded in a kind of calibration of the high applicability various dimensions of road and bridge engineering |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202140022U (en) | Anchor rod bottom-enlarging bit | |
| GB2482088A (en) | Pump in reverse outliner drilling system | |
| CN204457466U (en) | Colliery geologic drilling rod | |
| CN203296709U (en) | Hydraulic-releasing telescopic pipe | |
| CN202064844U (en) | Drill rod of enlarging drilling machine | |
| CN203230377U (en) | Ball pitching type rapid drillable bridge plug | |
| CN202645436U (en) | Combined drill bit | |
| CN202100219U (en) | Continuous fluid circulating valve | |
| CN201818259U (en) | Remote control type drilling well leak stopping bypass joint | |
| CN203716863U (en) | Active compound drill pipe | |
| CN207974776U (en) | A kind of drill string arrangement of clutch | |
| CN202745746U (en) | External slips connector for continuous pipe | |
| CN203050672U (en) | Bypass unlocking mechanism | |
| CN204782846U (en) | Hydraulic boost motor in pit | |
| CN201292784Y (en) | Sleeve pipe floatage coupling | |
| CN101424165A (en) | Borehole block-resistant drilling tool | |
| CN205477373U (en) | Broad -spectrum type rock passes through starter | |
| CN216043587U (en) | Quick-connection type auger stem for pressure relief | |
| CN103742080A (en) | Composite driving drive rod | |
| CN202825764U (en) | Self-supply reaction torque electric tool | |
| CN103410433A (en) | Spring type mechanical buffering and floating device of drilling rig | |
| CN206693992U (en) | A kind of casing scraper of hydraulic pressure sleeve pipe | |
| CN202767926U (en) | Down hole hydraulic device of drilling cement plug | |
| CN211950376U (en) | Slewing bearing convenient for mounting power head of rotary drilling rig | |
| CN203394370U (en) | Shear type releasing connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214112 Jiangsu New District of Wuxi City Meicun Industrial Zone Tin Road No. 221 Patentee after: Wuxi Jinfan Drilling Equipment Co., Ltd. Address before: 214112 Jiangsu New District of Wuxi City Meicun Industrial Zone Tin Road No. 221 Patentee before: Wuxi Jinfan Drilling Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20150711 |
|
| EXPY | Termination of patent right or utility model |