CN104647263A - Mine multifunctional intelligent pretensioner - Google Patents
Mine multifunctional intelligent pretensioner Download PDFInfo
- Publication number
- CN104647263A CN104647263A CN201310587690.0A CN201310587690A CN104647263A CN 104647263 A CN104647263 A CN 104647263A CN 201310587690 A CN201310587690 A CN 201310587690A CN 104647263 A CN104647263 A CN 104647263A
- Authority
- CN
- China
- Prior art keywords
- bearing
- cover
- bearing torque
- sleeve
- pressure sensor
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention belongs to coal mine mechanical equipment and particularly relates to a mine multifunctional intelligent pretensioner. A fixed sleeve (2) sleeves an electric coal drill (1), wherein a fixed insertion table (4-1) in a rear end of the electric coal drill (1) is fixedly connected with a torque-withstanding sleeve (4); in an inner hole of the torque-withstanding sleeve (4), a force transmitting rod (6) is inserted into an external bearing (8); a connecting sleeve (10) is inserted into a right end head of the force transmitting rod (6); the upper end of a pressure sensor (7) is connected with a bump I (6-2) and a bump II (6-3); the lower end of the pressure sensor (7) is fixed on the inner wall of the torque-withstanding sleeve (4); a conductive slide ring (5) is surrounded at the periphery of the middle of the torque-withstanding sleeve (4); a signal wire (14) on a stator of the conductive slide ring (5) is connected with an input end of a micro computer controller (11); an output end of the micro computer controller (11) is connected with a circuit breaker (12); the circuit breaker (12) is connected with the electric coal drill (1). The mine multifunctional intelligent pretensioner is simple and convenient to operate, precise in loading, high in efficiency, and can be widely applied to pretensioning of metal brackets, hydraulic brackets and anchor rod supports of a mine alley and a large-scale underground project as well as heavy mechanical screws or nuts.
Description
Technical field
The invention belongs to machine for coal mine equipment, particularly a kind of mining multifunctional intelligence preloader.
Background technology
Underground coal mine anchor pole, the supportings such as metallic support are normally installed by bolt or nut and are connected, current underground coal mine is all pass through spanner, manually carry out installation fastening, pretightning force can be caused not enough, pretightning force is too high, and the bolt of phase same-action or nut pretightning force are different, supporting construction unbalance stress is caused in capital, reduce the supporting intensity of supporting construction, especially for the energy-absorbing impact preventing anchor rod of bump mine, energy-absorbing erosion control metallic support, the energy-absorbing erosion control supportings such as energy-absorbing erosion control hydraulic support, major part energy-absorbing function is all realized by bolt or nut screw connection, or even directly realized by bolt or nut, too low pretightning force can reduce the intensity of supporting construction, too high pretightning force can destroy the energy-absorbing flush-prevention function of energy absorbing members, the pretightning force difference applied identical energy-absorbing supporting bolt or nut is too large, energy-absorbing erosion control support force can be caused uneven, destroy the stability of supporting construction, the supporting of visible energy-absorbing erosion control is especially strict to the requirement of pretightning force, at present pretightning force is applied to bolt or nut, all use spanner, its size is controlled by the experience of workman, pretightning force is large from predetermined value deviation, cause the energy-absorbing flush-prevention function of energy-absorbing erosion control supporting significantly to reduce even to lose.
Summary of the invention
The object of the invention is to overcome above-mentioned technical deficiency, provide a kind of and accurately can apply pretightning force, the mining multifunctional that easy and simple to handle, efficiency is high intelligence preloader.
The technical scheme that technical solution problem of the present invention adopts is: mining multifunctional intelligence preloader comprises electric coal drill, fixed cover, anchor bolt nut, bearing torque cover, pressure sensor, bearing, closing cap, be characterized in being set with fixed cover with anchor bolt nut on electric coal drill, bearing torque cover is fixedly connected with the fixing platform of inserting of bearing torque cover in electric coal drill rear end, in in the endoporus of bearing torque cover, external application bearing plug-in mounting transmission rod, during transmission rod and bearing torque overlap, to keep off platform spacing for the bearing bearing of outer end, with regular hexagon plug-in mounting branch sleeve in the right end of transmission rod, transmission rod in bearing torque cover is provided with symmetrical projection one, projection two, the upper end of pressure sensor and projection one, projection two connects, the lower end of pressure sensor is fixed on the inwall of bearing torque cover, the excircle at bearing torque cover middle part encloses dress conducting slip ring, the aperture that the holding wire of pressure sensor is put by bearing torque is connected with conductive sliding ring rotor, the stator peripheral of conducting slip ring is connected with the metallic rod of fixed cover, holding wire on conducting slip ring stator connects the input of microcomputer controller, the output of microcomputer controller connects circuit breaker with holding wire, circuit breaker wire connects electric coal drill, in the right end of bearing torque cover, be sleeved on transmission rod and be provided with closing cap.
The invention has the beneficial effects as follows: mining multifunctional intelligence preloader can to the size needing the device of pretension to formulate preset pretightning force in advance, apply automatically to monitor and show in pretightning force process to load to screw rod or nut the pretension force value turned round, reach auto-breaking after predetermined value, stop loading, reach the object accurately applying pretightning force, Artificial Control is not needed in loading procedure, easy and simple to handle, load accurately, efficiency is high, mine working can be widely used in, the metallic support of underground engineering, hydraulic support, the pretension work of suspension roof support and heavy-duty machinery screw rod or nut, especially to the supporting of energy-absorbing erosion control and the mine mechanism that need accurate pretension.
Accompanying drawing explanation
Illustrate with embodiment below in conjunction with accompanying drawing.
Fig. 1 is that figure cuts open in mining multifunctional intelligence preloader structure office.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
In figure, 1-electric coal drill; 2-fixed cover; 2-1-metallic rod; 3-anchor bolt nut; 4-bearing torque cover; 4-1-bearing torque cover is fixing inserts platform; 5-conducting slip ring; 6-1-bearing gear platform; 6-2-projection one; 6-3-projection two; 7-pressure sensor; 8-bearing; 9-closing cap; 10-sleeve; 11-microcomputer controller; 12-circuit breaker; 13-wire; 14-holding wire.
Detailed description of the invention
Embodiment, with reference to accompanying drawing 1 ~ 3, mining multifunctional intelligence preloader is set with fixed cover 2 with anchor bolt nut 3 on electric coal drill 1, in the rear end of electric coal drill 1, be fixedly connected with bearing torque cover 4 with the fixing platform 4-1 that inserts of bearing torque cover.Innner and outer bearing 8 plug-in mounting transmission rod 6 in the endoporus of bearing torque cover 4, it is spacing that bearing 8 bearing that transmission rod 6 and bearing torque overlap outer end in 4 keeps off platform 6-1, with regular hexagon plug-in mounting branch sleeve 10 in the right end of transmission rod 6, transmission rod 6 in bearing torque cover 4 is provided with symmetrical two projection one 6-2, projection two 6-3, transmission rod 6 is equipped with pressure sensor 7, the upper end of pressure sensor 7 is connected with projection one 6-2, projection two 6-3, and the lower end of pressure sensor 7 is fixed on the inwall of bearing torque cover 4.Excircle in the middle part of bearing torque cover 4 encloses dress conducting slip ring 5, the holding wire of pressure sensor 7 is connected with the rotor of conducting slip ring 5 by the aperture on bearing torque cover 4.The stator peripheral of conducting slip ring 5 is connected with the metallic rod 2-1 on fixed cover 2, to prevent the stator rotation of conducting slip ring 5.Holding wire 14 on the stator of conducting slip ring 5 connects the input of microcomputer controller 11, and the output of microcomputer controller 11 connects circuit breaker 12 with holding wire 14, and circuit breaker 12 wire 13 connects electric coal drill 1.In the right end of bearing torque cover 4, be sleeved on transmission rod 6 and be provided with closing cap 9.
The course of work of mining multifunctional intelligence preloader is: first according to construction object, determine size and the model of the sleeve of the sleeve type sleeve 10 used, and the size of the torque value applied, predetermined torque value is input to microcomputer controller 11, sleeve 10 is arranged on the front end of transmission rod 6, open electric coal drill 1, start clamp nut or screw rod, by transmission rod 6, pressure sensor 7 is delivered to the moment of torsion that nut or screw rod apply, pressure sensor 7 pressure signal is transferred to microcomputer controller 11, the pressure data measured can calculate and be converted into correspondingly pretension force value by microcomputer controller 11, be presented on liquid crystal display, when pretightning force reaches preset value, microcomputer controller 11 sends power-off signal to circuit breaker 12, circuit breaker 12 disconnects the power supply of electric coal drill 1, preloader quits work, reach the object accurately applying pretightning force.
Claims (1)
1. a mining multifunctional intelligence preloader, comprise electric coal drill (1), fixed cover (2), anchor bolt nut (3), bearing torque cover (4), pressure sensor (7), bearing (8), closing cap (9), it is characterized in that being set with fixed cover (2) at electric coal drill (1) upper anchor bolt nut (3), bearing torque cover (4) is fixedly connected with the fixing platform (4-1) of inserting of bearing torque cover in electric coal drill (1) rear end, in in the endoporus of bearing torque cover (4), external application bearing (8) plug-in mounting transmission rod (6), it is spacing that transmission rod (6) and the bearing (8) of outer end in bearing torque cover (4) keep off platform (6-1) with bearing, with regular hexagon plug-in mounting branch sleeve (10) in the right end of transmission rod (6), transmission rod (6) in bearing torque cover (4) is provided with symmetrical projection one (6-2), projection two (6-3), the upper end of pressure sensor (7) and projection one (6-2), projection two (6-3) connects, the lower end of pressure sensor (7) is fixed on the inwall of bearing torque cover (4), the excircle at bearing torque cover (4) middle part encloses dress conducting slip ring (5), the holding wire (14) of pressure sensor (7) is connected with conducting slip ring (5) rotor by the aperture on bearing torque cover (4), the stator peripheral of conducting slip ring (5) is connected with the metallic rod (2-1) of fixed cover (2), holding wire (14) on conducting slip ring (5) stator connects the input of microcomputer controller (11), the output of microcomputer controller (11) connects circuit breaker (12) with holding wire (14), circuit breaker (12) wire (13) connects electric coal drill (1), in the right end of bearing torque cover (4), be sleeved on transmission rod (6) and be provided with closing cap (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587690.0A CN104647263B (en) | 2013-11-21 | 2013-11-21 | Mining multifunctional intelligence preloader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587690.0A CN104647263B (en) | 2013-11-21 | 2013-11-21 | Mining multifunctional intelligence preloader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104647263A true CN104647263A (en) | 2015-05-27 |
| CN104647263B CN104647263B (en) | 2016-05-18 |
Family
ID=53239170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310587690.0A Expired - Fee Related CN104647263B (en) | 2013-11-21 | 2013-11-21 | Mining multifunctional intelligence preloader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104647263B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284412A (en) * | 2018-02-11 | 2018-07-17 | 郑州东辰科技有限公司 | It is a kind of to determine square power operated wrench |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1476441A (en) * | 1973-11-28 | 1977-06-16 | Plasser Bahnbaumasch Franz | Impact drive screw wrenches |
| CN2131654Y (en) * | 1991-12-24 | 1993-05-05 | 郑元 | Adjustable torque energy storage electric wrench |
| JPH05228850A (en) * | 1992-02-15 | 1993-09-07 | Matsushita Electric Works Ltd | Impact wrench |
| CN2808466Y (en) * | 2005-06-01 | 2006-08-23 | 谢智庆 | Torsion force measuring device for power tool |
| TWI322746B (en) * | 2007-07-10 | 2010-04-01 | ||
| CN202278564U (en) * | 2010-01-07 | 2012-06-20 | 布莱克和戴克公司 | Spiral transmission tool for driver tool with removable contact disengaging component |
| US8393231B2 (en) * | 2010-11-15 | 2013-03-12 | Legend Lifestyle Products Corp. | Multifunctional torque tool detection device |
-
2013
- 2013-11-21 CN CN201310587690.0A patent/CN104647263B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1476441A (en) * | 1973-11-28 | 1977-06-16 | Plasser Bahnbaumasch Franz | Impact drive screw wrenches |
| CN2131654Y (en) * | 1991-12-24 | 1993-05-05 | 郑元 | Adjustable torque energy storage electric wrench |
| JPH05228850A (en) * | 1992-02-15 | 1993-09-07 | Matsushita Electric Works Ltd | Impact wrench |
| CN2808466Y (en) * | 2005-06-01 | 2006-08-23 | 谢智庆 | Torsion force measuring device for power tool |
| TWI322746B (en) * | 2007-07-10 | 2010-04-01 | ||
| CN202278564U (en) * | 2010-01-07 | 2012-06-20 | 布莱克和戴克公司 | Spiral transmission tool for driver tool with removable contact disengaging component |
| US8393231B2 (en) * | 2010-11-15 | 2013-03-12 | Legend Lifestyle Products Corp. | Multifunctional torque tool detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284412A (en) * | 2018-02-11 | 2018-07-17 | 郑州东辰科技有限公司 | It is a kind of to determine square power operated wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104647263B (en) | 2016-05-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160518 Termination date: 20161121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |