CN108051129B - Mining anchor rod tension meter - Google Patents

Mining anchor rod tension meter Download PDF

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Publication number
CN108051129B
CN108051129B CN201711493421.2A CN201711493421A CN108051129B CN 108051129 B CN108051129 B CN 108051129B CN 201711493421 A CN201711493421 A CN 201711493421A CN 108051129 B CN108051129 B CN 108051129B
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Prior art keywords
jack
oil pipe
pipe joint
riser
connecting rods
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CN201711493421.2A
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CN108051129A (en
Inventor
张晓民
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Tianjin Jiufang Coal Mine Machinery Manufacturing Co ltd
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Tianjin Jiufang Coal Mine Machinery Manufacturing Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0028Force sensors associated with force applying means

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

The invention discloses a mining anchor rod tension meter, which comprises an oil pump, wherein an oil pipe joint is arranged at the output end of the oil pump, a high-pressure oil pipe is arranged at the right end of the oil pipe joint, a pressure gauge is arranged at the right side of the joint of the oil pipe joint and the high-pressure oil pipe, the right end of the high-pressure oil pipe is connected with a jack, a manual hydraulic device is arranged at the top end of the jack, a locking pull head is arranged at the right end of the jack, the upper side and the lower side of the right end of the jack are connected with a roadway wall through connecting buffer devices, the connecting buffer devices comprise vertical plates, the right sides of the vertical plates are propped against the roadway wall, the upper parts of the vertical plates are fixedly connected with the roadway wall through fastening bolts, connecting rods are arranged in the middle of the left end of the vertical plates, and the connecting rods are L-shaped. The jack is simple in structure and convenient to use, and the stability of the jack in the detection process can be ensured by arranging the connecting buffer device, so that the detection result is accurate.

Description

Mining anchor rod tension meter
Technical Field
The invention relates to the technical field of anchor rod tension meters, in particular to a mining anchor rod tension meter.
Background
The anchor rod is the most basic component part of roadway support in the mine of contemporary underground exploitation, he binds the surrounding rock of the roadway together, so that the surrounding rock supports itself, and the anchor rod is not only used for the mine, but also used in engineering technology, and actively reinforces side slopes, tunnels and dam bodies. The anchor rod tension meter is a detection tool for measuring the anchoring force of an anchor rod, and has important effects on anchor rod support engineering, research of various anchor rods and engineering quality inspection.
Through retrieving, chinese patent grant CN203422183U discloses an anchor rod tension meter, sets up in mining tunnel, anchor rod tension meter includes jack and oil pump, the jack is equipped with the base, and the base is equipped with the nut, the base passes through the nut to be fixed on the tunnel wall to correspond with the anchor rod position in the tunnel, anchor rod tension meter is equipped with high-pressure oil pipe, jack and oil pump are equipped with the oil pipe joint respectively, the oil pipe joint of oil pump is equipped with the manometer, and the oil pump is with oil extrusion through high-pressure oil pipe conveying to the jack in, and the manometer of oil pipe joint can respond to the oil return pressure to show specific pressure value, thereby detects anchor rod anchoring force.
The existing anchor rod tension meter has the following defects: the oil pump is used for pressurizing oil into the jack to finish detection of the anchoring force of the anchor rod, but when the pull head pulls the anchor rod, the jack is only fixed with the wall of a roadway, the stability of the jack cannot be ensured, and a large error exists in the final detection result.
Disclosure of Invention
The invention aims to provide a mining anchor rod tension meter which has the advantages of simple structure, convenience in use, capability of ensuring the stability of a jack in the detection process and ensuring the accuracy of a detection result, and solves the problems that the jack is not stable enough and the detection result is inaccurate when the existing device is used for detection.
According to the mining anchor rod tension meter disclosed by the embodiment of the invention, the mining anchor rod tension meter comprises an oil pump, an oil pipe joint is arranged at the output end of the oil pump, a high-pressure oil pipe is arranged at the right end of the oil pipe joint, a pressure gauge is arranged at the right side of the joint of the oil pipe joint and the high-pressure oil pipe, the right end of the high-pressure oil pipe is connected with a jack, a manual hydraulic device is arranged at the top end of the jack, a locking pull head is arranged at the right end of the jack, the upper side and the lower side of the right end of the jack are connected with a roadway wall through connecting buffer devices, the connecting buffer devices comprise vertical plates, the right side of the vertical plates are propped against the roadway wall, the upper parts of the vertical plates are fixedly connected with the roadway wall through fastening bolts, connecting rods are arranged in the middle of the left end of the vertical plates, one ends of the connecting rods far away from the vertical plates are all stretched into grooves in the transverse plates, one ends of the transverse plates are fixedly connected with the jack, fixing columns which are horizontally arranged in the grooves of the transverse plates are all connected with the transverse plates, the two side walls of the connecting rods are fixedly connected with the two side arms of the two sides of the grooves, and the two side walls of the connecting rods are sleeved with the first spring fixing columns which are arranged on the two side walls.
Further, an anti-skid sleeve is arranged on the outer side of one end, far away from the jack, of the manual hydraulic device.
Further, the middle part of the bottom end of the connecting rod in the groove is provided with an inserting rod, and the bottom wall in the groove is provided with a chute matched with the inserting rod.
Further, the riser is kept away from fastening bolt's one side inside is equipped with the cavity, all be fixed with the second spring in the cavity, the second spring all links to each other with the ejector pad, ejector pad left end all runs through cavity and diaphragm fixed connection.
Further, the connecting rods are provided with through holes matched with the fixing columns.
Compared with the prior art, the invention has the following beneficial effects:
1. The oil pump can pump the oil into the jack, the locking pull head is fixedly connected with the anchor rod, the numerical value can be read out through the pressure gauge, the detection of the anchoring force of the anchor rod is completed, the jack is connected with the roadway wall through the connecting buffer device, the stability of the jack is always kept in the detection process, and the accuracy of the detection result is ensured;
2. When the pressure generated by pumping oil of the oil pump is insufficient, the manual hydraulic device can be used for manually pressurizing, the auxiliary device can complete detection, and the result can be intuitively known through the pressure gauge; the whole device is simple in structure and convenient to use, and the stability of the jack in the detection process can be guaranteed through the arrangement of the connecting buffer device, so that the detection result is accurate.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a mining anchor rod tension meter according to the present invention;
fig. 2 is an enlarged schematic view of the structure of the region a in fig. 1.
In the figure: 1-oil pump, 2-oil pipe joint, 3-manometer, 4-high pressure oil pipe, 5-jack, 6-manual hydraulic press, 7-antiskid cover, 8-locking pull head, 9-connection buffer, 10-tunnel wall, 11-diaphragm, 12-riser, 13-fastening bolt, 14-connecting rod, 15-fixed column, 16-first spring, 17-inserted link, 18-ejector pad, 19-second spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a mining stock tension meter, including oil pump 1, oil pump 1 output is equipped with oil pipe joint 2, oil pipe joint 2 right-hand member is equipped with high-pressure oil pipe 4, be used for the oil that transmission oil pump 1 pumped, oil pipe joint 2 and high-pressure oil pipe 4 junction right side are equipped with manometer 3, be used for detecting stock anchoring force, high-pressure oil pipe 2 right-hand member links to each other with jack 5, jack 5 top is equipped with manual hydraulic press 6, it carries out pressurization through manual hydraulic press 6 manual, can auxiliary device completion detection, jack 5 right-hand member is equipped with locking pull head 8, be used for locking the stock, both sides all link to each other with tunnel wall 10 through connecting buffer 9 about the jack 5 right-hand member, connecting buffer 9 includes riser 12, riser 12 right side all offsets with tunnel wall 10, riser 12 upper portion all is through fastening bolt 13 and tunnel wall 10 fixed connection, fixed, connecting rod 14 all is equipped with in the middle part of riser 12 left end, connecting rod 14 is "L" form, connecting rod 14 is kept away from the one end of riser 12 all stretches into in the recess in diaphragm 11, in the recess in the diaphragm 11, can both sides are all fixed with the side arm 15 in the recess is fixed connection with the side arm 15, the side arm 15 is equipped with the side arm 15, the side arm is fixed in the side arm 15 is fixed in the recess is fixed with the side 15, the side 15 is fixed in both sides is fixed in the side 15, the side 15 is connected with the side arm 15, the side is fixed in the side 15, the side is fixed 15 is connected with the side 15, and is fixed in the side 15 is connected with the side 15.
The outer side of one end of the manual hydraulic device 6 far away from the jack 5 is provided with an anti-skid sleeve 7, which is convenient for operators to use, the middle part of the bottom end of the connecting rod 14 in the groove is provided with a plunger 17, the bottom wall in the groove is provided with a chute matched with the plunger 17, so that the connection between the connecting rod 14 and the cross rod 11 is more stable, one side of the vertical plate 12 far away from the fastening bolt 13 is internally provided with a cavity, the cavity is internally provided with a second spring 19, the second spring 19 is connected with a push block 18, the left end of the push block 18 penetrates through the cavity and is fixedly connected with the transverse plate 11, and the push block 18 moves in the cavity to stretch or compress the second spring 19 to finish buffering; the connecting rods 14 are provided with through holes matched with the fixed columns 15.
When the hydraulic pressure detection device is used, the locking pull head 8 at the right end of the jack 5 is fixedly connected with an anchor rod, the jack 5 is connected with a roadway wall 10 through the connecting buffer device 9, the jack 5 is connected with the oil pump 1 through the high-pressure oil pipe 4 and the oil pipe joint 2, when the hydraulic pressure detection device is used for detecting, the oil pump 1 is enabled to work, oil is pumped into the jack 5 through the high-pressure oil pipe 4, an operator can read a value through the pressure gauge 3, and therefore the magnitude of the anchoring force of the anchor rod is detected; during the process, the connection between the jack 5 and the roadway wall 10 can be ensured to be always stable through the connection buffer device 9, the buffer function is realized, and the influence of vibration on the accuracy of a final detection result can be avoided.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides a mining stock tensiometer which characterized in that: including oil pump (1), oil pump (1) output is equipped with oil pipe joint (2), oil pipe joint (2) right-hand member is equipped with high pressure oil pipe (4), oil pipe joint (2) are equipped with manometer (3) with high pressure oil pipe (4) junction right side, high pressure oil pipe (4) right-hand member links to each other with jack (5), jack (5) top is equipped with manual hydraulic press (6), jack (5) right-hand member is equipped with locking pull head (8), both sides all link to each other with tunnel wall (10) through connecting buffer (9) about jack (5) right-hand member, connecting buffer (9) include riser (12), riser (12) right side all offsets with tunnel wall (10), riser (12) upper portion all is through fastening bolt (13) and tunnel wall (10) fixed connection, riser (12) left end middle part all is equipped with connecting rod (14), connecting rod (14) are "L" form, connecting rod (14) are kept away from in the one end that riser (12) all is equipped with in the recess (11) of jack (11) and are all connected with horizontal column (11), the fixing columns (15) penetrate through the connecting rods (14) and are fixedly connected with two ends of the connecting rods (14) through two side arms, and first springs (16) sleeved on the fixing columns (15) are arranged between the side walls of the grooves and two sides of the connecting rods (14);
An anti-skid sleeve (7) is arranged outside one end of the manual hydraulic device (6) far away from the jack (5);
The middle parts of the bottom ends of the connecting rods (14) in the grooves are respectively provided with an inserting rod (17), and the bottom walls in the grooves are respectively provided with a sliding groove matched with the inserting rods (17);
A cavity is formed in one side, far away from the fastening bolt (13), of the vertical plate (12), second springs (19) are fixed in the cavity, the second springs (19) are connected with push blocks (18), and the left ends of the push blocks (18) penetrate through the cavity and are fixedly connected with the transverse plate (11);
and through holes matched with the fixing columns (15) are formed in the connecting rods (14).
2. A mining bolt pull meter according to claim 1, wherein: the locking pull head (8) at the right end of the jack (5) is fixedly connected with the anchor rod, the jack (5) is connected with the roadway wall (10) through the connecting buffer device (9), the jack (5) is connected with the oil pump (1) through the high-pressure oil pipe (4) and the oil pipe joint (2), when detection is carried out, the oil pump (1) is enabled to work, oil is pressurized and pumped into the jack (5) through the high-pressure oil pipe (4), an operator can read out a numerical value through the pressure gauge (3), and the connection between the jack (5) and the roadway wall (10) can be guaranteed to be always stable through the connecting buffer device (9).
CN201711493421.2A 2017-12-30 2017-12-30 Mining anchor rod tension meter Active CN108051129B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711493421.2A CN108051129B (en) 2017-12-30 2017-12-30 Mining anchor rod tension meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711493421.2A CN108051129B (en) 2017-12-30 2017-12-30 Mining anchor rod tension meter

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CN108051129A CN108051129A (en) 2018-05-18
CN108051129B true CN108051129B (en) 2024-06-04

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103437796A (en) * 2013-09-12 2013-12-11 韩雪峰 Zero-torque anchor rod pre-tightening machine tool
CN104034585A (en) * 2014-06-09 2014-09-10 天地科技股份有限公司 Method for measuring property of anchoring
CN205301084U (en) * 2016-01-19 2016-06-08 重庆电讯职业学院 Experimental counter -force device is drawn to tunnel stock
CN205301083U (en) * 2016-01-19 2016-06-08 重庆电讯职业学院 Experimental auxiliary device of tunnel stock
CN105865690A (en) * 2016-05-20 2016-08-17 四川升拓检测技术股份有限公司 Steel strand prestress detection device and measuring method based on reverse pull method
CN105926975A (en) * 2016-06-28 2016-09-07 辽宁工程技术大学 Earthquake resistant reinforcing device for grotto upright column rock mass cultural relic
CN207850581U (en) * 2017-12-30 2018-09-11 天津市九方煤矿机械制造有限公司 A kind of mine anchor rod tensiometer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8720139B2 (en) * 2012-03-30 2014-05-13 Allan P. Henderson Cementitious foundation cap with post-tensioned helical anchors

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103437796A (en) * 2013-09-12 2013-12-11 韩雪峰 Zero-torque anchor rod pre-tightening machine tool
CN104034585A (en) * 2014-06-09 2014-09-10 天地科技股份有限公司 Method for measuring property of anchoring
CN205301084U (en) * 2016-01-19 2016-06-08 重庆电讯职业学院 Experimental counter -force device is drawn to tunnel stock
CN205301083U (en) * 2016-01-19 2016-06-08 重庆电讯职业学院 Experimental auxiliary device of tunnel stock
CN105865690A (en) * 2016-05-20 2016-08-17 四川升拓检测技术股份有限公司 Steel strand prestress detection device and measuring method based on reverse pull method
CN105926975A (en) * 2016-06-28 2016-09-07 辽宁工程技术大学 Earthquake resistant reinforcing device for grotto upright column rock mass cultural relic
CN207850581U (en) * 2017-12-30 2018-09-11 天津市九方煤矿机械制造有限公司 A kind of mine anchor rod tensiometer

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