CN207456946U - A kind of device for anchor pole pullout tests - Google Patents
A kind of device for anchor pole pullout tests Download PDFInfo
- Publication number
- CN207456946U CN207456946U CN201721183524.4U CN201721183524U CN207456946U CN 207456946 U CN207456946 U CN 207456946U CN 201721183524 U CN201721183524 U CN 201721183524U CN 207456946 U CN207456946 U CN 207456946U
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- anchor pole
- jack
- cushion block
- loading plate
- pullout tests
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Abstract
The utility model is related to a kind of devices for anchor pole pullout tests,When carrying out drawing detection to anchor pole,Cushion block is placed on acting surface,And anchor pole is passed through into the through hole on cushion block,Cushion block is used to increase the contact area between jack and acting body,Reduce the pressure of jack pair acting body,The authenticity of data is detected so as to improve it,Centre-hole jack clamps anchor pole and acts on cushion block,The adjusting bracket set on acting body,On the one hand it is used to support jack,Reduce pressure of the jack self gravitation to anchor pole,Enable what jack stablized to carry out drawing to anchor pole,On the other hand it is used to adjust the force direction of jack and the axis of anchor pole is completely superposed,To be further ensured that the authenticity of anchor pole pulling resistance testing device result of the test,Simultaneously,The dial gauge installed on stent,For intuitively showing tested result,Data record is carried out convenient for operator,So that the device is accurate with result of the test,It is easy for installation,The advantages of easy to operate.
Description
Technical field
The utility model is related to construction engineering technical fields, especially a kind of device for anchor pole pullout tests.
Background technology
Anchor pole has obtained very extensive application in the engineering constructions such as side slope, foundation pit, tunnel, according to the requirement of specification,
Anchor pole will carry out anchor pole pullout tests after the completion of construction, to examine the completion effect of anchor pole；At present in anchor pole pullout tests,
Drawing is carried out to anchor pole as anchor pole pulling resistance testing device usually using punching jack and the combination of loading counterforce device, due to,
There is a certain range of angle of inclination with ground surface after rockbolt installation so that anchor pole, in eccentric state, makes when by pulling capacity
The devices such as anchor pole, jack are obtained to be difficult to hold on same stress axis, it is larger so as to cause the resultant error of detection, it is difficult to complete
It is all-trans and reflects the actual loading situation of anchor pole.
Utility model content
The purpose of this utility model is to provide a kind of device for anchor pole pullout tests, to solve applying because of jack
The technical issues of central axis of force direction and anchor pole is difficult to be completely superposed and cause result of the test error big.
The above-mentioned purpose of the utility model technical scheme is that：One kind is used for anchor pole pullout tests
Device, for the anchor pole being fixed on acting body carry out drawing detection, including：For it is being abutted with acting body surface, open
Equipped with the cushion block for the perforative through hole of the anchor pole, punching on the cushion block, for carrying out drawing to anchor pole is acted on
Jack, arranged on it is the acting body surface, being used to support the jack, so that force direction and the institute of the jack
State adjusting bracket that the axis of anchor pole overlaps and, for installing the stent for the dial gauge for showing the anchor pole displacement.
By using said program, when above-mentioned anchor pole pulling resistance testing device carries out drawing detection to anchor pole, side slope, foundation pit etc.
As acting body, the inclined surface of acting body is acting surface, and cushion block is placed on acting surface and passes through anchor pole logical on cushion block
Hole, cushion block are used to increase the contact area between jack and acting body, the pressure of jack pair acting body are reduced, so as to improve
It detects the authenticity of data, and centre-hole jack clamping anchor pole is simultaneously acted on cushion block, the adjusting bracket set on acting body,
On the one hand be used to support jack, reduce pressure of the jack self gravitation to anchor pole, enable that jack stablizes to anchor pole into
On the other hand row drawing is used to adjust the force direction of jack and the axis of anchor pole is completely superposed, to be further ensured that anchor
The authenticity of bar pulling resistance testing device result of the test, meanwhile, the dial gauge installed on stent is tested for intuitively showing
As a result, carry out data record convenient for operator.
The utility model is further set：The adjusting bracket includes：For carrying the loading plate of the jack；For propping up
Support the tripod of the loading plate；And between the tripod and the loading plate, for adjusting the loading plate
The connector of angle between the tripod；The connector includes：One end be hinged on the bottom bearing plate, for pacifying
The installing plate of tripod is filled, the other end of the installing plate is equipped with slot hole；And one end is hinged in the bottom bearing plate
, threaded rod through the slot hole；Be arranged on the threaded rod, outer diameter be more than the long hole width nut.
By using said program, adjusting bracket includes loading plate, tripod, connector；Wherein loading plate is for placement thousand
Jin top, tripod are used to support the height between loading plate and adjusting loading plate and acting body, and connector carries for connecting
Plate and tripod simultaneously are used to adjust the angle between loading plate and tripod, to make to be placed on applying for the jack on loading plate
Force direction is overlapped with the axis of anchor pole；Wherein connector includes：Installing plate, threaded rod, installing plate one end are hinged with loading plate, make
Can be relatively rotated between installing plate and loading plate, the slot hole that the other end of installing plate opens up, threaded rod one end is hinged on carrying
On plate and through slot hole stretch out installing plate a part, be installed on threaded rod outer diameter more than long hole width nut be used for will
Angle between loading plate and installing plate is fixed, and by way of threaded adjusting angle, is had to adjust and is stablized, is with high accuracy excellent
Point.
The utility model is further set：If dry bulb is provided with for carrying the one side of the jack on the loading plate
Bearing.
By using said program, several ball bearings are provided with for carrying the one side of jack on loading plate, when very heavy
When top passes in and out drawing to anchor pole, ball bearing can reduce the frictional force that jack slides on loading plate, so as to further improve examination
Test the accuracy of result.
The utility model is further set：The cushion block is concrete pad, is provided in the concrete pad two-way
Bar-mat reinforcement.
By using said program, cushion block is concrete pad, for increasing the resistance to compression of cushion block effect, is set in concrete
Two-way concrete slab net is equipped with, two-way concrete slab net is used to increase the drawing-resistant function of cushion block, so as to which cushion block effectively be inhibited to generate crack
Wait the risk of damages, the authenticity of the stability of cushion block and data when ensure that experiment.
The utility model is further set：It is provided with the galvanized steel plain sheet being fixedly connected with cushion block on the cushion block, described thousand
Jin top is abutted against with the galvanized steel plain sheet, offers that coaxial with the through hole, aperture is consistent on the galvanized steel plain sheet center
Jack.
By using said program, the area set on cushion block is less than the galvanized steel plain sheet of cushion block area, for cushion block table
Face shields and the power that jack applies is dispersed on cushion block, is offered on the center of galvanized steel plain sheet same with through hole
Axis, jack that aperture is consistent, convenient for passing through for anchor pole, and make galvanized steel plain sheet uniform force.
The utility model is further set：Steel frame, the steel are provided between the galvanized steel plain sheet and the jack
Frame includes two steel plates and four reinforcing bars being arranged between two steel plates, the anchor pole wear the center of the steel plate by institute
State jack clamping.
By using said program, steel frame includes four reinforcing bars between two steel plates and two steel plates, and anchor pole wears steel plate
It is clamped behind center by jack, the effect of steel frame makes there are a certain distance between jack and galvanized steel plain sheet, convenient for adjusting
The installation of frame.
The utility model is further set：The end of the anchor pole is provided with transverse slat, and the transverse slat can be used for and described hundred
The measurement head of table is divided to abut.
By using said program, the end of anchor pole is provided with transverse slat, and transverse slat is abutted convenient for the measurement head of dial gauge, improved
The diversity of the placement location of stent, facilitates dial gauge to be detected.
The utility model is further set：The stent is provided with one group, wherein the dial gauge on a stent is used for
Show the displacement of the cushion block.
By using said program, stent is provided with one group, wherein the dial gauge on a stent is used to show the position of cushion block
Shifting amount when jack to anchor pole when carrying out drawing, wherein on the one hand making to move outside anchor pole, on the other hand makes cushion block to close to effect
Mobile in vivo, which is used to show the displacement of cushion block, further improves the authenticity of result of the test.
In conclusion the utility model has the advantages that：A kind of device for anchor pole pullout tests, to anchor
When bar carries out drawing detection, side slope, foundation pit etc. are used as acting body, and the inclined surface of acting body is acting surface, the cushion block effect of being placed in
Through the through hole on cushion block on face and by anchor pole, cushion block is used to increase the contact area between jack and acting body, reduces thousand
Authenticity of data is detected on jin top so as to improve it, centre-hole jack clamping anchor pole simultaneously acts on pad to the pressure of acting body
On block, on the one hand the adjusting bracket that is set on acting body is used to support jack, reduces pressure of the jack self gravitation to anchor pole
Power enables what jack stablized to carry out drawing to anchor pole, on the other hand for adjusting the axis of the force direction of jack and anchor pole
Line is completely superposed, to be further ensured that the authenticity of anchor pole pulling resistance testing device result of the test, meanwhile, hundred installed on stent
Point table, it is tested as a result, carrying out data record convenient for operator for intuitively showing so that the device has result of the test
Accurately, the advantages of easy for installation, easy to operate.
Description of the drawings
Fig. 1 is the schematic elevation view of the device for anchor pole pullout tests of the utility model embodiment；
Fig. 2 is the dimensional structure diagram of the device for anchor pole pullout tests of the utility model embodiment；
Fig. 3 is the structure diagram of adjusting bracket in the utility model embodiment.
Reference numeral：1st, cushion block；2nd, galvanized steel plain sheet；3rd, steel frame；31st, steel plate；32nd, reinforcing bar；4th, first support；41st,
One dial gauge；5th, jack；6th, adjusting bracket；61st, loading plate；62nd, tripod；63rd, connector；631st, installing plate；632nd, screw thread
Bar；633rd, slot hole；634th, nut；7th, ball bearing；8th, anchor pole；81st, transverse slat；9th, second support；91st, the second dial gauge；10th, act on
Body.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts
Mark represents.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry
The direction at center.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
A kind of device for anchor pole pullout tests, as shown in Figure 1, for the anchor pole 8 being arranged on acting body 10 into
Row drawing detects, and acting body 10 is the engineerings places such as side slope, foundation pit, exists between anchor pole 8 and the acting surface of acting body 10 certain
Angle of inclination, which includes：Cushion block 1, jack 5, adjusting bracket 6 and the branch for being equipped with dial gauge
Frame；Wherein cushion block 1 is placed in the side wall acting surface of acting body 10 and by anchor pole 8 through 1 supercentral through hole of cushion block, and jack 5 is
Centre-hole jack, for clamping anchor pole 8 and acting on cushion block 1, to carry out drawing to anchor pole 8.
Adjusting bracket 6 is placed on acting body 10, and 6 one side of adjusting bracket is used to support jack 5, to reduce jack 5 itself
For gravity to the pressure of anchor pole 8, enable the stabilization of jack 5 carries out drawing on adjusting bracket 6 to anchor pole 8, is on the other hand used to adjust
The force direction and the axis of anchor pole 8 for saving jack 5 are completely superposed, error during reducing drawing, so as to ensure 8 resistance to plucking of anchor pole
The authenticity of result of the test.
The anchor pole pulling resistance testing device further includes the stent for being provided with dial gauge, and stent includes first support 4 and second
Frame 9 is provided with the first dial gauge 41 in first support 4, the second dial gauge 91, the first dial gauge 41 is provided in second support 9
For showing displacement that anchor pole 8 is moved when by 5 drawing of jack, the second dial gauge 91 is for showing cushion block 1 very heavy
With respect to the displacement of acting body 10 during suffered reaction force when pushing up 5 drawing bolt 8, pass through the first dial gauge 41 and second
The data of dial gauge 91 combine, and further improve the authenticity of 8 pullout tests result of anchor pole.
Specifically, as shown in Figures 1 and 2, adjusting bracket 6 includes：Loading plate 61, tripod 62 and set loading plate 61 with
Connector 63 between tripod 62；Wherein loading plate 61 is steel plate, and the upper surface of loading plate 61 is used to place jack 5,
Three supporting rods of tripod 62, which rotate, to be set, and tripod 62 is used to support 61 lower surface of loading plate and adjustable carrier plate 61
With the height between acting body 10, to adapt to carry out drawing to the anchor pole 8 of different height.
In other embodiments, three supporting rods of tripod 62 are height-adjustable telescopic rod, so as to further
Improve the practicability of tripod 62.
Connector 63 is arranged between loading plate 61 and tripod 62, for adjusting between loading plate 61 and tripod 62
Angle, so that the force direction of jack 5 is overlapped with the axis of anchor pole 8.
Specifically, as shown in figure 3, connector 63 includes：Installing plate 631, threaded rod 632,631 one end of installing plate and carrying
Plate 61 is hinged so that can be relatively rotated between installing plate 631 and loading plate 61, the slot hole opened up on the other end of installing plate 631
633,632 one end of threaded rod is hinged on loading plate 61 and stretches out 631 part of installing plate through slot hole 633, in threaded rod
Two nuts 634 that outer diameter is more than 633 width of slot hole are installed on 632, two nuts 634 revolve respectively is provided at 631 liang of installing plate
On the threaded rod 632 of side, by the cooperation of nut 634 and threaded rod 632, by the angle between loading plate 61 and installing plate 631
It is adjusted, can fix, by way of threaded adjusting angle, have the advantages that adjusting stability is good, with high accuracy.
Specifically, as shown in figure 3, several ball bearings 7, ball are provided with for carrying the one side of jack 5 on loading plate 61
Bearing 7 protrudes 61 upper surface of a loading plate part, and when jack 5 passes in and out drawing to anchor pole 8, ball bearing 7 can reduce jack 5
The frictional force slided on loading plate 61, so as to further improve the accuracy of result of the test.
In other embodiments, ball bearing 7 can be replaced with the bull stick being rotatably arranged on loading plate 61.
Specifically, as shown in Figures 1 and 2, cushion block 1 is concrete pad, the resistance to compression that concrete is used to increase cushion block 1 is made
With being provided with two-way concrete slab net in concrete pad, two-way concrete slab net is used to increase the drawing-resistant function of cushion block 1, so as to effective
Cushion block 1 is inhibited to generate the risk of the damages such as crack, the authenticity of the stability of cushion block 1 and data when ensure that experiment, wherein,
The specification of concrete pad is preferably a length of 1000mm, width 1000mm, the square of a height of 80mm, and two-way concrete slab network optimization is elected as
A diameter of 10mm, adjacent spacing are the two-way concrete slab net of 75mm.
Specifically, as shown in Figures 1 and 2, the galvanized steel plain sheet 2 that area is less than 1 area of cushion block is provided on cushion block 1, it is zinc-plated
Steel plate 2 is embedded to be fixed in cushion block 1, and galvanized steel plain sheet 2 is used for the power that 1 surface of cushion block is shielded and applied jack 5
It is dispersed on cushion block 1, jack coaxial with through hole, that aperture is consistent is offered on the center of galvanized steel plain sheet 2, convenient for anchor pole
8 pass through, and make 2 uniform force of galvanized steel plain sheet, wherein, the specification of galvanized steel plain sheet 2 is preferably a length of 700mm, width 700mm,
The square of a height of 6mm.
Specifically, as depicted in figs. 1 and 2, steel frame 3 is provided between galvanized steel plain sheet 2 and jack 5, steel frame 3 includes
Two steel plates 31 and four reinforcing bars 32 being welded between two steel plates 31, anchor pole 8 wear the center of steel plate 31 by the jack
5 clampings, wherein a steel plate 31 is fixed by welding on galvanized steel plain sheet 2, welding and assembling height is preferably 6mm, and 32 diameter of reinforcing bar is excellent
Elect 32mm, length 180mm as, the effect of steel frame 3 is made between jack 5 and galvanized steel plain sheet 2 there are a certain distance, just
In adjusting bracket 6 installation and facilitate jack 5 stablize installation be mounted on adjusting bracket 6 on.
Specifically, the end of anchor pole 8 is provided with transverse slat 81, transverse slat 81 is removable to be mounted on anchor pole 8 and can be in anchor pole 8
Upper to form stable position relationship, for transverse slat 81 for being abutted with the measurement head of the first dial gauge 41, transverse slat 81 is convenient for the first percentage
The measurement head of table 41 abuts, and improves the diversity that first support 4 is placed on position on acting body 10, facilitates the first dial gauge 41
It is detected；Wherein stent uses channel steel, is preferably No. 12 channel steels, acting body 10 is placed in convenient for what stent can directly be stablized
On, it is easy for installation and convenient for adjusting position.
Specifically install and use process：Cushion block 1, galvanized steel plain sheet 2 and steel frame 3 are set in first and are fixed on acting body 10
On anchor pole 8 on, jack 5 is then clamped into anchor pole 8 and is made on the steel plate 31 that jack 5 is connected on steel frame 3, then will
Adjusting bracket 6 is placed on the acting body 10 of 5 lower section of jack, adjusting triangle frame 62 so that on jack 5 and loading plate 61
7 surface of ball bearing contradict, then adjusted by the cooperation of threaded rod 632 and nut 634, make the force direction of jack 5 with
The axis of anchor pole 8 overlaps, and the authenticity of guarantee test result after regulating angle, is coordinated by nut 634 and threaded rod 632
Angle is fixed, then moves 4 position of first support so that the measurement head of the first dial gauge 41 in first support 4 contradicts horizontal
Then plate 81 carries out the first dial gauge 41 zeroing processing, mobile second support 9 so that the second dial gauge in second support 9
91 measurement head contradicts galvanized steel plain sheet 312, and the second dial gauge 91 is made to have an integer value of compression, then starts jack
5, jack 5 is made to carry out drawing to anchor pole 8, in drawing process, jack 5 can slide on ball bearing 7, to reduce friction
Power, jack 5 is will be in 8 withdrawal process of anchor pole so that and the data of the first dial gauge 41 change, meanwhile, because of the effect of power
It is mutual, to acting body 10 there are one pressure, the second dial gauge 91 will show galvanized steel for cushion block 1 and galvanized steel plain sheet 2 at this time
The displacement of plate 2, with reference to the data of the first dial gauge 41 and the second dial gauge 91, so that it may accurate data are obtained, so that examination
Testing result has the advantages that authenticity is high, while the anchor pole pulling resistance testing device also has the advantages of easy for installation, easy to operate.
Claims (8)
1. a kind of device for anchor pole pullout tests, for carrying out drawing inspection to the anchor pole (8) being fixed on acting body (10)
It surveys, it is characterized in that, including：For pad being abutted with acting body (10) surface, offering the confession anchor pole (8) perforative through hole
Block (1) acts on centre-hole jack (5) on the cushion block (1), for carrying out drawing to anchor pole (8), arranged on the work
With it is body (10) surface, being used to support the jack (5), so that force direction and the anchor pole of the jack (5)
(8) adjusting bracket (6) that axis overlaps and, for installing the stent for the dial gauge for showing anchor pole (8) displacement.
2. the device according to claim 1 for anchor pole pullout tests, it is characterized in that, the adjusting bracket (6) includes：With
In the loading plate (61) for carrying the jack (5)；It is used to support the tripod (62) of the loading plate (61)；And it is arranged on
It is between the tripod (62) and the loading plate (61), for adjust the loading plate (61) and the tripod (62) it
Between angle connector (63)；The connector (63) includes：One end be hinged on the loading plate (61) bottom, for installing
The installing plate (631) of tripod (62), the other end of the installing plate (631) are equipped with slot hole (633)；And one end is hinged on
Threaded rods (632) on loading plate (61) bottom, through the slot hole (633)；It is arranged on the threaded rod (632)
Have, outer diameter be more than the slot hole (633) width nut (634).
3. the device according to claim 2 for anchor pole pullout tests, it is characterized in that, it is used on the loading plate (61)
The one side for carrying the jack (5) is provided with several ball bearings (7).
4. the device according to claim 1 for anchor pole pullout tests, it is characterized in that, the cushion block (1) is concrete
Cushion block is provided with two-way concrete slab net in the concrete pad.
5. the device according to claim 4 for anchor pole pullout tests, it is characterized in that, it is provided on the cushion block (1)
The galvanized steel plain sheet (2) being fixedly connected with cushion block (1), the jack (5) are fixedly connected with the galvanized steel plain sheet (2), the plating
Jack coaxial with the through hole, that aperture is consistent is offered on zinc steel plate (2) center.
6. the device according to claim 5 for anchor pole pullout tests, it is characterized in that, the galvanized steel plain sheet (2) and institute
It states and steel frame (3) is provided between jack (5), the steel frame (3) includes two steel plates (31) and is arranged on two steel plates
(31) four reinforcing bars (32) between, the center that the anchor pole (8) wears the steel plate (31) are clamped by the jack (5).
7. the device according to claim 1 for anchor pole pullout tests, it is characterized in that, the end of the anchor pole (8) is set
Transverse slat (81) is equipped with, the transverse slat (81) can be used for abutting with the measurement head of the dial gauge.
8. the device according to claim 1 for anchor pole pullout tests, it is characterized in that, the stent is provided with one group,
Dial gauge on wherein one stent is used to show the displacement of the cushion block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721183524.4U CN207456946U (en) | 2017-09-14 | 2017-09-14 | A kind of device for anchor pole pullout tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721183524.4U CN207456946U (en) | 2017-09-14 | 2017-09-14 | A kind of device for anchor pole pullout tests |
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| Publication Number | Publication Date |
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| CN207456946U true CN207456946U (en) | 2018-06-05 |
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ID=62283168
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721183524.4U Active CN207456946U (en) | 2017-09-14 | 2017-09-14 | A kind of device for anchor pole pullout tests |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918273A (en) * | 2018-08-23 | 2018-11-30 | 中国五冶集团有限公司 | Anti-float anchor rod anti-pulling test device |
| CN109470116A (en) * | 2018-12-29 | 2019-03-15 | 贵州省质安交通工程监控检测中心有限责任公司 | A kind of anchor pole, which is drawn, dials experiment displacement measurement system and its measurement method |
| CN109632482A (en) * | 2018-12-23 | 2019-04-16 | 东莞市建设工程检测中心 | A kind of building rod piece pullout tests grip device |
| CN111119258A (en) * | 2020-01-14 | 2020-05-08 | 东南大学 | Device and method for detecting ultimate bearing capacity of anchor rod and anchor slurry interface |
| CN111238943A (en) * | 2020-02-24 | 2020-06-05 | 四川道诚建设工程检测有限责任公司 | Anchoring part drawing force detection device and detection method for improving detection level |
| CN112129635A (en) * | 2020-10-15 | 2020-12-25 | 山东建筑大学 | Rib body drawing test system and method |
| CN112611626A (en) * | 2020-11-19 | 2021-04-06 | 铜陵有色金属集团铜冠建筑安装股份有限公司 | Expansion type connecting device for anchor rod drawing test |
| CN113172104A (en) * | 2021-05-07 | 2021-07-27 | 江苏艾可森钢绳有限公司 | Steel wire drawing experimental equipment with recording function |
-
2017
- 2017-09-14 CN CN201721183524.4U patent/CN207456946U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918273A (en) * | 2018-08-23 | 2018-11-30 | 中国五冶集团有限公司 | Anti-float anchor rod anti-pulling test device |
| CN109632482A (en) * | 2018-12-23 | 2019-04-16 | 东莞市建设工程检测中心 | A kind of building rod piece pullout tests grip device |
| CN109470116A (en) * | 2018-12-29 | 2019-03-15 | 贵州省质安交通工程监控检测中心有限责任公司 | A kind of anchor pole, which is drawn, dials experiment displacement measurement system and its measurement method |
| CN111119258A (en) * | 2020-01-14 | 2020-05-08 | 东南大学 | Device and method for detecting ultimate bearing capacity of anchor rod and anchor slurry interface |
| CN111238943A (en) * | 2020-02-24 | 2020-06-05 | 四川道诚建设工程检测有限责任公司 | Anchoring part drawing force detection device and detection method for improving detection level |
| CN112129635A (en) * | 2020-10-15 | 2020-12-25 | 山东建筑大学 | Rib body drawing test system and method |
| CN112611626A (en) * | 2020-11-19 | 2021-04-06 | 铜陵有色金属集团铜冠建筑安装股份有限公司 | Expansion type connecting device for anchor rod drawing test |
| CN113172104A (en) * | 2021-05-07 | 2021-07-27 | 江苏艾可森钢绳有限公司 | Steel wire drawing experimental equipment with recording function |
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