CN113339069A - Simple and convenient type seam pipe anchor rod drawing test device and processing method - Google Patents
Simple and convenient type seam pipe anchor rod drawing test device and processing method Download PDFInfo
- Publication number
- CN113339069A CN113339069A CN202110394627.XA CN202110394627A CN113339069A CN 113339069 A CN113339069 A CN 113339069A CN 202110394627 A CN202110394627 A CN 202110394627A CN 113339069 A CN113339069 A CN 113339069A
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- anchor rod
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000011435 rock Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 5
- 210000000078 claw Anatomy 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a simple and convenient type seam pipe anchor rod drawing test device and a processing method, the device comprises a perforated baffle plate and an inner sleeve pipe which form a sleeve pipe assembly, a connecting plate, an outer sleeve pipe and a pull rod which form a pull rod assembly, a force transmission sleeve pipe and a limit baffle plate which form a limit sleeve pipe assembly and a connecting bolt, and the device is formed by assembling a common steel plate and a steel pipe after being processed by cutting, perforating and welding processes.
Description
Technical Field
The invention relates to the field of anchor rod detection, in particular to a simple and convenient type seam pipe anchor rod drawing testing device and a processing method, which are suitable for mine, tunnel and slope engineering application.
Background
Anchor bolt support is the mainstream support form in mine, tunnel and slope engineering, need to carry out the drawing test to anchor bolt support power for detecting anchor bolt support quality, and anchor bolt drawing instrument is anchor bolt support power check out test set, and anchor bolt drawing instrument develops (including resin stock, rapid hardening cement stock, mortar stock) to the reinforcing bar stock specially, and the seam pipe stock is the steel pipe that cracks, and conventional anchor bolt drawing instrument can not draw the test.
In order to solve the drawing test problem of the seam pipe anchor rod, Chinese patent CN104526602B discloses a 'full-section seam pipe anchor rod tension connecting device and a processing method', the device is composed of a large clamp, a small clamp, a sleeve, a clamping block, a base and the like, and a central hole and a through hole are arranged on a corresponding assembly, the main processing technologies comprise cutting (intercepting), heat treatment, turning, punching, rough milling, wire feeding cutting, finish milling, fine grinding and the like, the drawing test of the seam pipe anchor rod can be carried out, but the defects of complex processing technology of the clamp, high manufacturing cost and the like exist; chinese patent CN105548001B discloses a "field tension measuring device for a pipe seam anchor rod", which comprises a snap ring, a U-shaped clamping groove, a support frame, a pull rod, a scale, a pointer, a stop washer, a bolt, a nut, a universal claw, a safety pull ring, a ball, a spherical claw and the like, can be used for drawing test of the pipe seam anchor rod, but has the defects that the clamp processing technology is complicated, the manufacturing cost is high, the clamp ring is sleeved on the snap ring for drawing through the U-shaped clamping groove, the contact between the snap ring (circular) and the U-shaped clamping groove is non-full-section contact (circular), the snap ring is easy to slide out from the U-shaped clamping groove, and the like; chinese patent CN109115616B discloses a tube seam anchor rod fixing force testing device and a using method thereof, the device is clamped at the periphery of a tube seam anchor rod by a specially-made connecting block through a bolt fixing connecting plate, and is inserted into the interior of the tube seam anchor rod through a specially-made pull rod to be connected through a bolt, the device comprises a connecting plate, a connecting block, a uniform force steel ring, a seat plate, a butt-joint bolt, a counter-force support, a reinforcing bolt, a supporting leg, a counter-force gasket, a fixing ring and the like, the tube seam anchor rod drawing test can be carried out, but the device also has the defects of complex structure, high preparation cost and the like. The three patents except CN104526602B are introduced in a detailed processing technology, and according to the technology known in the industry, the processing technologies of the patents CN105548001B and CN109115616B are similar to the processing technology of CN104526602B, so that the defects of the prior art need to be improved, the drawing difficulty of the tube-seamed anchor rod is reduced, the drawing test cost is reduced, and the efficiency is improved.
Therefore, the simple and convenient drawing test connection device and method for the seam tube anchor rod, which can relieve the drawing difficulty of the seam tube anchor rod, reduce the drawing test cost and improve the working efficiency, are particularly urgent.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a simple and convenient drawing test device and a processing method for a seam tube anchor rod, which can relieve the drawing difficulty of the seam tube anchor rod, reduce the drawing test cost and improve the working efficiency.
The task of the invention is completed by the following technical scheme:
the simple and convenient type seam pipe anchor rod drawing test device comprises a seam pipe anchor rod, a retaining ring, an anchor rod base plate, a pull rod, a nut, a perforated baffle, an inner sleeve, a connecting plate, an outer sleeve, a connecting bolt, a force transmission sleeve, a limiting baffle, an anchor rod base plate and a hollow jack; the sleeve assembly is composed of the perforated baffle and the inner sleeve, the pull rod assembly is composed of the connecting plate, the outer sleeve and the pull rod, and the limiting sleeve assembly is composed of the force transmission sleeve and the limiting baffle; locking a pull rod of the pull rod assembly and the hollow jack by using a nut; locking the inner sleeve of the sleeve component and the outer sleeve of the pull rod component by using a connecting bolt; the perforated baffle of the sleeve assembly is sleeved with a seam pipe anchor rod and a baffle ring which can be inserted into a rock stratum; one end of the pull rod assembly is connected with the sleeve assembly through a bolt, and the other end of the pull rod assembly sequentially penetrates through the limiting sleeve assembly and the hollow jack and then is fixed through a nut; one end of the force transmission sleeve is connected with the anchor rod base plate, the other end of the force transmission sleeve is in contact with the hollow jack, the hollow jack can apply drawing force to the seam pipe anchor rod and the baffle ring, and the drawing length is limited through the set anchor rod to control the drawing amount of the anchor rod.
The processing method of the simple and convenient type seam pipe anchor rod drawing test device comprises the following processing and manufacturing processes:
A. cutting: and selecting and cutting the perforated baffle, the connecting plate, the limiting baffle, the inner sleeve, the outer sleeve and the force transmission sleeve according to the sizes.
B. Opening a hole: and (4) opening the opening baffle, the inner sleeve, the outer sleeve and the limiting baffle.
C. Welding: welding the perforated baffle and the inner sleeve into a sleeve assembly; the connecting plate, the outer sleeve and the pull rod are welded to form a pull rod assembly; the force transmission sleeve and the limit baffle are welded with the limit sleeve assembly.
Compared with the prior art, the invention has the following advantages and effects:
1. the steel plate and the steel pipe are manufactured by conventional cutting, perforating and welding processes, so that the cost is low and the processing is simple.
2. The drawing cost and the preparation time of the slit-tube anchor rod are reduced, and the failure caused by excessive drawing of the anchor rod is avoided by limiting the drawing amount of the anchor rod.
3. The device has simple structure and is easy to operate and maintain.
Drawings
FIG. 1 is a schematic view of a simple pull-out testing device for a suture anchor rod according to the present invention.
In the drawings, the designations represent:
1. perforated baffle 2, inner sleeve 3, connecting plate 4, outer sleeve 5, pull rod 6, nut 7, connecting bolt 8, force transmission sleeve 9, limit baffle 10, pipe seam anchor rod and baffle ring 11, anchor rod backing plate 12, hollow jack h, anchor rod limit pull-out length
The description is described in further detail below with reference to the accompanying drawings.
Detailed Description
As shown in fig. 1, the simple and convenient type seam pipe anchor rod drawing test device comprises a seam pipe anchor rod and a stop ring (10), an anchor rod backing plate (11), a pull rod (5) and a nut (6), and further comprises a perforated baffle plate (1), an inner sleeve (2), a connecting plate (3), an outer sleeve (4), a connecting bolt (7), a force transmission sleeve (8), a limit baffle plate (9), an anchor rod backing plate (11) and a hollow jack (12); the sleeve assembly is composed of the perforated baffle (1) and the inner sleeve (2), the pull rod assembly is composed of the connecting plate (3), the outer sleeve (4) and the pull rod (5), and the limit sleeve assembly is composed of the force transmission sleeve (8) and the limit baffle (9); a pull rod (5) of the pull rod assembly and a hollow jack (12) are locked by a nut (6); locking the inner sleeve (2) of the sleeve assembly and the outer sleeve (4) of the pull rod assembly by using a connecting bolt (7); an opening baffle (1) of the sleeve assembly is sleeved with a seam pipe anchor rod and a baffle ring (10) which can be inserted into a rock stratum; one end of the pull rod assembly is connected with the sleeve assembly through a bolt, and the other end of the pull rod assembly sequentially penetrates through the limiting sleeve assembly and the hollow jack (12) and then is fixed through a nut (6); one end of the force transmission sleeve (8) is connected with the anchor rod base plate (11), the other end of the force transmission sleeve is in contact with the hollow jack (12), the hollow jack (12) can apply drawing force to the seamed pipe anchor rod and the baffle ring (10), and the drawing length (h) is limited through the set anchor rod to control the drawing amount of the anchor rod.
The apparatus of the invention may further be:
the perforated baffle (1), the connecting plate (3) and the limiting baffle (9) are made of common steel plates and are cut into circular or square shapes.
The hole baffle (1), the connecting plate (3) and the limiting baffle (9) are square, and the specifications of the hole baffle, the connecting plate and the limiting baffle are respectively 68 mm multiplied by 8mm, 76 mm multiplied by 8mm and 133 mm multiplied by 8 mm.
The center positions of the perforated baffle (1) and the limiting baffle (9) are respectively perforated with through holes of 45mm and 22mm so as to respectively pass through the anchor rod (10) and the pull rod (5).
The inner sleeve (2), the outer sleeve (4) and the force transmission sleeve (8) are formed by cutting common steel pipes.
The specifications of the inner sleeve (2), the outer sleeve (4) and the force transmission sleeve (8) are respectively phi 68 multiplied by 3, L is 65mm, phi 76 multiplied by 3, L is 65mm, and phi 133 multiplied by 4, L is 110 mm.
The specification of the connecting bolt (7) is 8.8-grade M22 multiplied by 100 mm.
The pipe walls of the inner sleeve (2) and the outer sleeve (4) are provided with holes with the diameter of 24mm, and the connecting bolts (7) can be sleeved in the holes.
The bolt defines a pullout length (h) of 12 mm.
The processing method of the simple and convenient type seam pipe anchor rod drawing test device comprises the following processing and manufacturing processes:
A. cutting: the perforated baffle (1), the connecting plate (3), the limiting baffle (9), the inner sleeve (2), the outer sleeve (4) and the force transmission sleeve (8) are selected and cut according to the size.
B. Opening a hole: and (3) opening the hole-opening baffle (1), the inner sleeve (2), the outer sleeve (4) and the limiting baffle (9) according to the sizes.
C. Welding: welding the perforated baffle (1) and the inner sleeve (2) into a sleeve assembly; the connecting plate (3), the outer sleeve (4) and the pull rod (5) are welded into a pull rod assembly; the force transmission sleeve (8) and the limit baffle (9) are welded with the limit sleeve assembly.
The processing method of the device of the invention can further comprise the following steps:
firstly, the processed sleeve assembly and an anchor rod backing plate (11) sleeved into a seam pipe anchor rod retaining ring (10) are inserted into a rock stratum together; secondly, connecting the pull rod assembly with the sleeve assembly through a connecting bolt (7); and then installing a limit sleeve pipe assembly, installing a hollow jack (12), screwing a pull rod nut (6) to form a device, applying a pulling force to the hollow jack (12) through the device, and then performing a drawing test, and after the test is finished, detaching the nut (6), the hollow jack (12), the limit sleeve pipe assembly, the connecting bolt (7) and the pull rod assembly.
As described above, the present invention can be preferably realized. The above embodiments are only preferred embodiments of the present invention, but the embodiments of the present invention are not limited by the above embodiments, and other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be regarded as equivalent replacements within the protection scope of the present invention.
Claims (11)
1. The simple and convenient type seam pipe anchor rod drawing test device comprises a seam pipe anchor rod and baffle ring (10), an anchor rod backing plate (11), a pull rod (5) and a nut (6), and is characterized by further comprising a perforated baffle plate (1), an inner sleeve (2), a connecting plate (3), an outer sleeve (4), a connecting bolt (7), a force transmission sleeve (8), a limiting baffle plate (9), an anchor rod backing plate (11) and a hollow jack (12); the sleeve assembly is composed of the perforated baffle (1) and the inner sleeve (2), the pull rod assembly is composed of the connecting plate (3), the outer sleeve (4) and the pull rod (5), and the limit sleeve assembly is composed of the force transmission sleeve (8) and the limit baffle (9); a pull rod (5) of the pull rod assembly and a hollow jack (12) are locked by a nut (6); locking the inner sleeve (2) of the sleeve assembly and the outer sleeve (4) of the pull rod assembly by using a connecting bolt (7); an opening baffle (1) of the sleeve assembly is sleeved with a seam pipe anchor rod and a baffle ring (10) which can be inserted into a rock stratum; one end of the pull rod assembly is connected with the sleeve assembly through a bolt, and the other end of the pull rod assembly sequentially penetrates through the limiting sleeve assembly and the hollow jack (12) and then is fixed through a nut (6); one end of the force transmission sleeve (8) is connected with the anchor rod base plate (11), the other end of the force transmission sleeve is in contact with the hollow jack (12), the hollow jack (12) can apply drawing force to the seamed pipe anchor rod and the baffle ring (10), and the drawing length (h) is limited through the set anchor rod to control the drawing amount of the anchor rod.
2. The device as claimed in claim 1, wherein the perforated baffle plate (1), the connecting plate (3) and the limiting baffle plate (9) are made of ordinary steel plates and are cut into circular or square shapes.
3. Device according to claim 1 or 2, characterized in that the aperture stop (1), the connecting plate (3) and the limit stop (9) are of square type with dimensions of 68 x 8mm, 76 x 8mm, 133 x 8mm, respectively.
4. The device as claimed in claim 1, wherein the center positions of the perforated baffle plate (1) and the limiting baffle plate (9) are respectively perforated with through holes of 45mm and 22mm so as to respectively penetrate through the anchor rod (10) and the pull rod (5).
5. The device according to claim 1, characterized in that the inner casing (2), the outer casing (4) and the force-transmitting casing (8) are cut from ordinary steel tubes.
6. A device according to claim 5, characterized in that the inner sleeve (2), the outer sleeve (4) and the force-transmitting sleeve (8) are dimensioned with respect to phi 68 x 3, L65 mm, phi 76 x 3, L65 mm, phi 133 x 4, L110 mm, respectively.
7. Device according to claim 1, characterized in that the connecting bolt (7) has a dimension of 8.8M 22 x 100 mm.
8. The device according to claim 1 or 5 or 6, characterized in that the inner sleeve (2) and the outer sleeve (4) are provided with holes of phi 24mm in wall and can be sleeved with connecting bolts (7).
9. A device according to claim 1, characterised in that the anchor rod defines a pullout length (h) of 12 mm.
10. The processing method of the simple and convenient type seam pipe anchor rod drawing test device is characterized in that the processing and manufacturing process is as follows:
A. cutting: the perforated baffle (1), the connecting plate (3), the limiting baffle (9), the inner sleeve (2), the outer sleeve (4) and the force transmission sleeve (8) are selected and cut according to the size.
B. Opening a hole: and (3) opening the hole-opening baffle (1), the inner sleeve (2), the outer sleeve (4) and the limiting baffle (9) according to the sizes.
C. Welding: welding the perforated baffle (1) and the inner sleeve (2) into a sleeve assembly; the connecting plate (3), the outer sleeve (4) and the pull rod (5) are welded into a pull rod assembly; the force transmission sleeve (8) and the limit baffle (9) are welded with the limit sleeve assembly.
11. The method of claim 10, wherein the machined sleeve assembly is first inserted into the formation together with the anchor backing plate (11) which is inserted into the split-tube anchor retainer ring (10); secondly, connecting the pull rod assembly with the sleeve assembly through a connecting bolt (7); and then installing a limit sleeve pipe assembly, installing a hollow jack (12), screwing a pull rod nut (6) to form a device, applying a pulling force to the hollow jack (12) through the device, and then performing a drawing test, and after the test is finished, detaching the nut (6), the hollow jack (12), the limit sleeve pipe assembly, the connecting bolt (7) and the pull rod assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110394627.XA CN113339069A (en) | 2021-04-13 | 2021-04-13 | Simple and convenient type seam pipe anchor rod drawing test device and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110394627.XA CN113339069A (en) | 2021-04-13 | 2021-04-13 | Simple and convenient type seam pipe anchor rod drawing test device and processing method |
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| Publication Number | Publication Date |
|---|---|
| CN113339069A true CN113339069A (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110394627.XA Pending CN113339069A (en) | 2021-04-13 | 2021-04-13 | Simple and convenient type seam pipe anchor rod drawing test device and processing method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4300397A (en) * | 1980-04-30 | 1981-11-17 | Brest Van Kempen Carel J H | Device and method for determining material strength in situ |
| CN203572650U (en) * | 2013-11-26 | 2014-04-30 | 深圳市锋瑞佳实业发展有限公司 | Non-loading lifting lug strength testing device |
| CN105548001A (en) * | 2016-01-23 | 2016-05-04 | 北京航空航天大学 | Pipe seam type anchor rod on-site drawing force measurement device |
| CN205483973U (en) * | 2016-01-23 | 2016-08-17 | 北京航空航天大学 | Force measuring device is drawn at pipe seam formula stock scene |
| CN109115616A (en) * | 2018-10-24 | 2019-01-01 | 东北大学 | A kind of pipe seam anchor bar anchoring force test device and its application method |
| CN211954958U (en) * | 2020-03-20 | 2020-11-17 | 中国电建集团华东勘测设计研究院有限公司 | In-situ anchor rod drawing test device |
-
2021
- 2021-04-13 CN CN202110394627.XA patent/CN113339069A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4300397A (en) * | 1980-04-30 | 1981-11-17 | Brest Van Kempen Carel J H | Device and method for determining material strength in situ |
| CN203572650U (en) * | 2013-11-26 | 2014-04-30 | 深圳市锋瑞佳实业发展有限公司 | Non-loading lifting lug strength testing device |
| CN105548001A (en) * | 2016-01-23 | 2016-05-04 | 北京航空航天大学 | Pipe seam type anchor rod on-site drawing force measurement device |
| CN205483973U (en) * | 2016-01-23 | 2016-08-17 | 北京航空航天大学 | Force measuring device is drawn at pipe seam formula stock scene |
| CN109115616A (en) * | 2018-10-24 | 2019-01-01 | 东北大学 | A kind of pipe seam anchor bar anchoring force test device and its application method |
| CN211954958U (en) * | 2020-03-20 | 2020-11-17 | 中国电建集团华东勘测设计研究院有限公司 | In-situ anchor rod drawing test device |
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Application publication date: 20210903 |
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