CN205426657U - Safety rope breaking strength detects anchor clamps and testing machine - Google Patents
Safety rope breaking strength detects anchor clamps and testing machine Download PDFInfo
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- CN205426657U CN205426657U CN201620194447.1U CN201620194447U CN205426657U CN 205426657 U CN205426657 U CN 205426657U CN 201620194447 U CN201620194447 U CN 201620194447U CN 205426657 U CN205426657 U CN 205426657U
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Abstract
The utility model provides a safety rope breaking strength detects anchor clamps and testing machine, these anchor clamps include: base, winding wheel, joint and round pin post, base include horizontal part and vertical component effect, and the vertical component effect vertical fixation is in one side of horizontal part bottom surface, winding wheel is last to be equipped with spiral helicine wire winding groove, and winding wheel's one end is fixed at the vertical component effect, and is parallel with the horizontal part, connect and to fix the upper surface at the horizontal part, on the round pin post is fixed in a side relative with the vertical component effect on the horizontal part, and it is parallel with the horizontal part, the one end of experimental rope is around establishing on winding wheel's wire winding groove, and its end fixing is on selling the post. This safety rope breaking strength detects anchor clamps, and the end of experimental rope is fixed on winding wheel, but fixes on the base through the round pin post, and its atress is more scientific to anchor clamps are of the shape a little.
Description
Technical field
This utility model is involved in mechanics properties testing testing equipment technical field, is specifically related to a kind of safety rope ultimate strength detection fixture and testing machine.
Background technology
Safety rope (safety flat (standing) net, seat belt) ultimate strength is to weigh its safest important index, directly affect the bearing capacity of safety rope and the life security of workmen, it is therefore necessary to it is carried out ultimate strength service check.All the time, main use Wedge gripping and fix eye thimble fixture with pin and test on testing machine, the retained part of Wedge gripping test device detection sample needs reinforcement process, also often occur that skidding or sample fracture cause the situation that test result is invalid outside label range, and the sample making that pin fixes the test of eye thimble fixture needs manufacturer to assist, not only be inconvenient to detect, and sample the most often breaks at and causes test result invalid outside label range, both testing efficiencies are low in a word, and accuracy is the highest.
The utility model patent of Publication No. CN203337454 discloses a kind of wirerope-winding fixture, including two supports being oppositely arranged, each bracket end is provided with the joint connecting hole, band location, it is respectively provided on two sides with balancing weight and reel at each support, reel is provided with spiral helicine winding slot, the longitudinal section of this winding slot is arc-shaped, two reels are distributed on two stands not ipsilateral, being respectively provided with a clamping block on each reel, the terminal at the winding slot of reel is provided with transition wheel.
Although above-mentioned wirerope-winding fixture solves Wedge gripping and fixes the deficiency of eye thimble fixture with pin, but when testing, all of power is born by reel, and reel is integrally fixed at the side of support, therefore its stress is unreasonable, and the bonding strength of reel with support is required height, and need balancing weight to carry out force balance situation, not only increase the weight of fixture, and add the volume of fixture, be not easy to operation.
Utility model content
Therefore, the technical problems to be solved in the utility model be the fixture that existing safety rope ultimate strength detects be easily caused that sample fracture is outer in label range, stress is unreasonable, be not easy to operation, weight and volume bigger.
To this end, this utility model embodiment provides following technical scheme:
A kind of safety rope ultimate strength detection fixture, including: pedestal, winding wheel, joint and pin, pedestal includes horizontal part and vertical component effect, and vertical component effect is vertically fixed on the side of horizontal part bottom surface；Winding wheel is provided with spiral helicine winding slot, and one end of winding wheel is fixed on vertical component effect, parallel with horizontal part；Joint is fixed on the upper surface of horizontal part, and pin is fixed on one side relative with vertical component effect on horizontal part, and parallel with horizontal part, and one end of test rope is on the winding slot being located at winding wheel, and its end is fixed on pin.
Preferably, also including rope clamp, the end of test rope is connected by the main part of rope clamp with test rope and connects ring to be formed, and this connection ring set is located on pin.
Preferably, the free end of pin is provided with flange and comes off with the end and the connection ring that formed of main part preventing test rope.
Preferably, winding wheel is hollow-core construction.
Preferably, the axis of the test rope between axis and two fixtures of the test rope between the axis of joint, pin and winding wheel overlaps on the longitudinal projection face of fixture.
Preferably, the center of gravity of fixture overlaps on the longitudinal projection face of fixture with the axis of joint.
Preferably, the surface of the winding slot of winding wheel is provided with knurling structure.
A kind of safety rope ultimate strength detection testing machine, including:
Frame, frame includes base, support bar, fixed cross beam and moved cross beam, support bar is two, it is respectively and vertically fixed on base, the guide rail that the side that two support bars are relative is provided with in the short transverse of support bar, the two ends of moved cross beam guide rail with two support bars respectively is flexibly connected, and moved cross beam can slide up and down along guide rail, and the top of the two ends of fixed cross beam and two support bars is fixed；
Two fixtures, this fixture is described above；
Two fixtures are connected with fixed cross beam, moved cross beam by fixed structure respectively；
Also include pull force calculation module, for detecting the maximum pull that safety rope can bear.
Preferably, pull force calculation module includes pulling force sensor, the first amplifying circuit, the second amplifying circuit and the maximum output circuit being sequentially connected with, pulling force sensor is arranged between the joint of fixture and fixed cross beam and/or moved cross beam, for detecting the pulling force that test rope is born, first amplifying circuit and the second amplifying circuit for adjusting the signal of telecommunication amplitude of pulling force sensor output, the signal of telecommunication that maximum pull that maximum output circuit is born for output test rope is corresponding.
Preferably, maximum output circuit includes decision circuitry and holding circuit, decision circuitry is connected with the second amplifying circuit, then trigger the output voltage output voltage change along with the second amplifying circuit of holding circuit when the output voltage of the second amplifying circuit increases, output voltage when otherwise keeping the output voltage of the second amplifying circuit no longer to increase is constant.
Technical solutions of the utility model, have the advantage that
1. the safety rope ultimate strength detection fixture that this utility model embodiment provides, the termination of test rope is not fixed on winding wheel, but is fixed on pedestal by pin, and its stress is more scientific, and fixture can miniature.Test rope and the coupling part stress of fixture than relatively decentralized, be not easy impaired, thus guarantee test rope breaks in label range as far as possible.Further, since the joint of this fixture is connected not only by the fixed universal testing machine of pin and pin, it is also possible to be connected with jaw type universal testing machine, therefore this safety rope ultimate strength detection fixture is applied widely.
2. the safety rope ultimate strength detection fixture that this utility model embodiment provides, its pedestal, winding wheel are designed to weight and stretch axis (being also the axis of the joint) almost symmetry of part relative to test rope, therefore without counterweight, reduce the weight and volume of this fixture, and the winding wheel of upper lower clamp can at homonymy or the heteropleural of sample.
3. the safety rope ultimate strength detection testing machine that this utility model embodiment provides, test rope is connected with testing machine by fixture, specifically, test rope one end is that its end is formed connection ring set and is located on pin after the number of turns that first winding is preset on the winding wheel of fixture, test rope stress than more uniform rationally, thus avoid testing fracture of rope at the connecting portion with testing machine, raising testing efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the Facad structure schematic diagram of safety rope ultimate strength detection fixture in this utility model embodiment 1；
Fig. 2 is the left side structure schematic diagram of the detection fixture of safety rope ultimate strength shown in Fig. 1；
Fig. 3 is the structural representation of the safety rope ultimate strength detection testing machine in this utility model embodiment 2；
Fig. 4 is the circuit diagram of the pull force calculation module in this utility model embodiment 2.
Reference: 11-pedestal, 111-horizontal part, 112-vertical component effect, 12-joint, 13-winding wheel, 14-tests rope, 15-pin, 151-flange；16-rope clamp, 2-frame, 21-base, 22-support bar, 23-moved cross beam, 24-fixed cross beam, 25-fixed structure, 26-guide rail.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, it is also possible to be the connection of two element internals, can be wireless connections, it is also possible to be wired connection.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
As long as just can be combined with each other additionally, technical characteristic involved in this utility model difference embodiment disclosed below does not constitutes conflict each other.
Embodiment 1
As illustrated in fig. 1 and 2, present embodiments provide a kind of safety rope ultimate strength detection fixture, including: pedestal 11, winding wheel 13, joint 12 and pin 15, pedestal 11 includes horizontal part 111 and vertical component effect 112, and vertical component effect 112 is vertically fixed on the side of horizontal part 111 bottom surface；Winding wheel 13 is provided with spiral helicine winding slot, and one end of winding wheel 13 is fixed on vertical component effect 112, and parallel with horizontal part 111；Joint 12 is fixed on the upper surface of horizontal part 111, and pin 15 is fixed on one side relative with vertical component effect 112 on horizontal part 111, and parallel with horizontal part 111, and one end of test rope 14 is on the winding slot being located at winding wheel 13, and its end is fixed on pin 15.
This fixture that the present embodiment provides is applicable to safety rope ultimate strength testing machine, for the two ends of respectively fixation test rope 14, therefore this fixture typically have two with the use of, respectively as upper fixture and lower clamp with the two ends of fixing tested safety rope.The joint 12 of upper fixture is connected with fixed structure down on testing machine, and after lower clamp flip vertical, its joint 12 is connected with fixed structure upward on testing machine.Specifically, the joint 12 of this fixture be radially provided with through hole, can be connected by pin universal testing machine fixed with pin, and the joint 12 of this fixture can also be connected with jaw type universal testing machine.In order to improve the fastness being connected with jaw type universal testing machine, the joint 12 of this fixture is preferably at 10 cm, and does can process with the annular knurl of increasing friction force at its outer surface.As preferred embodiment, horizontal part 111 is one-body molded with vertical component effect 112.Winding wheel 13 is connected with the vertical component effect 112 of pedestal 11 by screw or bolt, and this winding wheel 13 is to be connected with the vertical component effect 112 of pedestal 11 by symmetrically arranged 2 or 3 or 4 screws or bolt, to increase its bonding strength.
This safety rope ultimate strength detection fixture that the present embodiment provides, the termination of test rope 14 is not fixed on winding wheel 13, but fixing on the base 11 by pin 15, and its stress is more scientific, and fixture can miniature.Test rope 14 and the coupling part stress of fixture than relatively decentralized, be not easy impaired, it is ensured that test rope 14 breaks in label range as far as possible.Further, since the joint 12 of this fixture is connected not only by the fixed universal testing machine of pin and pin, it is also possible to be connected with jaw type universal testing machine, therefore this safety rope ultimate strength detection fixture is applied widely.
In order to increase the frictional force between test rope 14 and winding wheel 13, reduce the power that pin 15 is born so that being more uniformly stressed of whole fixture.The present embodiment is preferably at the surface configuration knurling structure of winding slot of winding wheel 13.
As preferred embodiment, also including rope clamp 16, the end of test rope 14 is connected by the main part of rope clamp 16 with test rope 14 and connects ring to be formed, and this connection ring set is located on pin 15.In other implementations, the end of test rope 14 can be directly by being formed by knots tied connection ring rear enclosure on pin 15, and this being formed by knots tied connects the mode of ring and be relatively suitable for thinner safety rope.The thicker safety rope being not suitable for knotting still uses rope clamp 16.This rope clamp 16 can be the buckle of other fixing ends and rope main body.
As further preferred embodiment, the free end of pin 15 is provided with flange 151 and comes off with the end and the connection ring that formed of main part preventing test rope 14.
In order to save material and alleviate weight, in the case of ensureing by force intensity, winding wheel 13 could be arranged to hollow-core construction.Alleviate winding wheel 13 weight, also allow for carrying out test operation.
As preferred embodiment, the axis of the test rope 14 between axis and two fixtures of the test rope 14 between the axis of joint 12, pin 15 and winding wheel 13 overlaps on the longitudinal projection face of fixture, and this longitudinal projection refers to project according to the negative axle bearing of trend of the x-axis shown in Fig. 1.
As further preferred embodiment, the center of gravity of fixture overlaps on the longitudinal projection face of fixture with the axis of joint 12.The pedestal 11 of fixture, the winding wheel 13 that there is provided in the present embodiment are designed to weight and stretch axis (being also the axis of the joint 12) almost symmetry of part relative to test rope, therefore without counterweight, reduce the weight and volume of this fixture, and the winding wheel 13 of upper lower clamp can at homonymy or the heteropleural of sample.
Embodiment 2
As it is shown on figure 3, originally execute example to provide a kind of safety rope ultimate strength detection testing machine, including:
Frame 2, frame 2 includes base 21, support bar 22, fixed cross beam 24 and moved cross beam 23, support bar 22 is two, it is respectively and vertically fixed on base 21, the guide rail 26 that the side that two support bars 22 are relative is provided with in the short transverse of support bar 22, the two ends of moved cross beam 23 are flexibly connected with the guide rail 26 of two support bars 22 respectively, and moved cross beam 23 can slide up and down along guide rail 26, and the top of the two ends of fixed cross beam 24 and two support bars 22 is fixed；
Two fixtures, fixture is as described in example 1 above；
Two fixtures are connected with fixed cross beam 24, moved cross beam 23 by fixed structure 25 respectively；
Also include pull force calculation module, for detecting the maximum pull that safety rope can bear.
The safety rope ultimate strength detection testing machine that the present embodiment provides, the two ends of its test rope 14 are separately fixed on fixed cross beam 24 and moved cross beam 23 by the fixture described in embodiment 1, this fixture includes winding wheel 13 and pin 15, test rope 14 one end on winding wheel 13, be wound around a few circle after its end form connection ring set be located on pin 15, thus it is relatively decentralized with the coupling part stress ratio of fixture to test rope 14, it is not easy impaired, breaks in label range with guarantee test rope 14.It addition, the making of this test rope 14 and install fairly simple, easily operate.
As specific embodiment, as shown in Figure 4, pull force calculation module includes pulling force sensor, the first amplifying circuit, the second amplifying circuit and the maximum output circuit being sequentially connected with, pulling force sensor is arranged between the joint 12 of fixture and fixed cross beam 24 and/or moved cross beam 23, for detecting the pulling force that test rope 14 is born, first amplifying circuit and the second amplifying circuit for adjusting the signal of telecommunication amplitude of pulling force sensor output, the signal of telecommunication that maximum pull that maximum output circuit is born for output test rope 14 is corresponding.
nullAs preferred embodiment，As shown in Figure 4，Above-mentioned first amplifying circuit includes amplifier U1-U3，Resistance R27-R33，The in-phase input end of amplifier U1 and U2 is respectively as two outfans of this first amplifying circuit，It is connected with two outfans of pulling force sensor respectively，The inverting input of amplifier U1 and U2 is connected by resistance R29，The outfan of amplifier U1 is connected by resistance R31 with reverse input end，The outfan of amplifier U2 is connected by resistance R30 with reverse input end，The outfan of amplifier U1 is connected with the inverting input of amplifier U3 by resistance R32，The outfan of amplifier U2 is connected with the in-phase input end of amplifier U3 by resistance R33，The inverting input of amplifier U3 is connected by resistance R27 with outfan、In-phase input end passes through resistance R28 ground connection，The outfan of amplifier U3 is as the outfan of this first amplifying circuit.
As specific embodiment, the most above-mentioned second amplifying circuit includes amplifier U5, the outfan of its in-phase input end and the first amplifying circuit connects, reverse input end connects reference voltage (1.2V), and the outfan of amplifier U5 is connected with the input of maximum output circuit.Specifically, this pull force calculation module also includes resistance R34-R36 and electric capacity C24, first end of resistance R34 and the outfan of the first amplifying circuit connect, the second end is connected with first end of resistance R36, second end of resistance R36 and the input of the second amplifying circuit connect, one end of resistance R35 is connected with second end of resistance R34, other end ground connection, and one end of electric capacity C24 is connected with second end of resistance R36, other end ground connection.
As preferred embodiment, maximum output circuit includes decision circuitry and holding circuit, decision circuitry is connected with the second amplifying circuit, then trigger the output voltage output voltage change along with the second amplifying circuit of holding circuit when the output voltage of the second amplifying circuit increases, output voltage when otherwise keeping the output voltage of the second amplifying circuit no longer to increase is constant.
As specific embodiment, as shown in Figure 4, decision circuitry includes comparator U6, electric capacity C8 and resistance R14, first end of electric capacity C8 and the outfan of the second amplifying circuit connect, second end is connected with the in-phase input end of comparator U6, first end of resistance R14 respectively, second end of resistance R14, the inverting input common ground of comparator U6, the outfan of comparator U6 is as the outfan of this decision circuitry.Electric capacity C8 and resistance R14 forms RC peaker, and when the voltage of the second amplifying circuit output is in enlarging state, the voltage of its output is more than 0；When the voltage of the second amplifying circuit output is in reduction state, the voltage of its output is less than 0.The voltage of peaker output is with the 0V voltage ratio of ground connection relatively, high level is then exported when the voltage of peaker output is more than 0V, otherwise output low level, i.e. when the voltage of the second amplifying circuit output increases then decision circuitry output high level to holding circuit, when the voltage of the second amplifying circuit output reduces then decision circuitry output low level to holding circuit.Specifically, this decision circuitry also includes resistance R15, and its one end is connected with the outfan of comparator U6, other end ground connection.
Holding circuit includes sample/hold amplifier U7, the input (pin 3) of sample/hold amplifier U7 is connected with the outfan of the second amplifying circuit, logic input controls end (pin 8) and is connected with the outfan of decision circuitry, for controlling the state of sample/hold amplifier U7.When decision circuitry output be high level time, sample/hold amplifier U7 is sample states, and its output voltage changes with the change of input voltage；When decision circuitry output be low level time, sample/hold amplifier U7 is hold mode, output voltage by keep logic input control end from high level become low level time input terminal voltage.Specifically, this sample/hold amplifier U7 specifically uses the chip LF398 of LINEARTECHNOLOGY company.It addition, this holding circuit also includes holding capacitor C9, its one end is connected with the pin 6 of sample/hold amplifier U7, other end ground connection.Owing to capacity and the ohmic leakage of holding capacitor are the biggest, the time that chip keeps is the longest, therefore selects the electrochemical capacitor that capacity is big in the present embodiment, and its positive pole connects the pin 6 of sample/hold amplifier U7, minus earth.
Preferably, being additionally provided with diode D1 between above-mentioned decision circuitry and holding circuit, its anode is connected with the outfan of decision circuitry, negative electrode inputs control end (pin 8) with the logic of holding circuit and is connected.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or variation still in the protection domain of the invention among.
Claims (10)
1. a safety rope ultimate strength detection fixture, it is characterized in that, including: pedestal (11), winding wheel (13), joint (12) and pin (15), described pedestal (11) includes horizontal part (111) and vertical component effect (112), and described vertical component effect (112) is vertically fixed on the side of described horizontal part (111) bottom surface；Described winding wheel (13) is provided with spiral helicine winding slot, and one end of described winding wheel (13) is fixed on described vertical component effect (112), parallel with described horizontal part (111)；Described joint (12) is fixed on the upper surface of described horizontal part (111), described pin (15) is fixed on the upper one side relative with described vertical component effect (112) of described horizontal part (111), and it is parallel with described horizontal part (111), one end of test rope (14) is on the winding slot being located at described winding wheel (13), and its end is fixed on described pin (15).
2. safety rope ultimate strength detection fixture as claimed in claim 1, it is characterized in that, also include rope clamp (16), the end of described test rope (14) is connected by the main part of described rope clamp (16) with described test rope (14) and connects ring to be formed, and this connection ring set is located on described pin (15).
3. safety rope ultimate strength detection fixture as claimed in claim 2, it is characterized in that, the free end of described pin (15) is provided with the connection ring that flange (151) formed to prevent end and the main part of described test rope (14) and comes off.
4. safety rope ultimate strength detection fixture as claimed in claim 1, it is characterised in that described winding wheel (13) is hollow-core construction.
5. safety rope ultimate strength detection fixture as claimed in claim 1, it is characterized in that, the axis of the test rope (14) between axis and two described fixtures of the test rope (14) between the axis of described joint (12), described pin (15) and described winding wheel (13) overlaps on the longitudinal projection face of described fixture.
6. safety rope ultimate strength detection fixture as claimed in claim 5, it is characterised in that the center of gravity of described fixture overlaps on the longitudinal projection face of described fixture with the axis of described joint (12).
7. safety rope ultimate strength detection fixture as claimed in claim 1, it is characterised in that the surface of the winding slot of described winding wheel (13) is provided with knurling structure.
8. a safety rope ultimate strength detection testing machine, it is characterised in that including:
Frame (2), described frame (2) includes base (21), support bar (22), fixed cross beam (24) and moved cross beam (23), described support bar (22) is two, it is respectively and vertically fixed on described base (21), the guide rail (26) that the relative side of two described support bars (22) is provided with in the short transverse of described support bar (22), the two ends of described moved cross beam (23) are flexibly connected with the guide rail (26) of two described support bars (22) respectively, described moved cross beam (23) can slide up and down along described guide rail (26), the top of the two ends of described fixed cross beam (24) and two described support bars (22) is fixed；
Two fixtures, described fixture is as according to any one of claim 1-7；
Two described fixtures are connected with described fixed cross beam (24), described moved cross beam (23) by fixed structure (25) respectively；
Also include pull force calculation module, for detecting the maximum pull that safety rope can bear.
9. safety rope ultimate strength detection testing machine as claimed in claim 8, it is characterized in that, described pull force calculation module includes the pulling force sensor being sequentially connected with, first amplifying circuit, second amplifying circuit and maximum output circuit, described pulling force sensor is arranged between the joint (12) of described fixture and described fixed cross beam (24) and/or described moved cross beam (23), for detecting the pulling force that test rope (14) is born, described first amplifying circuit and described second amplifying circuit are for adjusting the signal of telecommunication amplitude of described pulling force sensor output, described maximum output circuit is used for exporting the signal of telecommunication that maximum pull that described test rope (14) born is corresponding.
10. safety rope ultimate strength detection testing machine as claimed in claim 9, it is characterized in that, described maximum output circuit includes decision circuitry and holding circuit, described decision circuitry is connected with described second amplifying circuit, then trigger the output voltage output voltage change along with described second amplifying circuit of described holding circuit when the output voltage of described second amplifying circuit increases, output voltage when otherwise keeping the output voltage of the second amplifying circuit no longer to increase is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194447.1U CN205426657U (en) | 2016-03-14 | 2016-03-14 | Safety rope breaking strength detects anchor clamps and testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194447.1U CN205426657U (en) | 2016-03-14 | 2016-03-14 | Safety rope breaking strength detects anchor clamps and testing machine |
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| CN205426657U true CN205426657U (en) | 2016-08-03 |
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| CN201620194447.1U Expired - Fee Related CN205426657U (en) | 2016-03-14 | 2016-03-14 | Safety rope breaking strength detects anchor clamps and testing machine |
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| CN105699183A (en) * | 2016-03-14 | 2016-06-22 | 镇江市建科工程质量检测中心有限公司 | Safety rope breaking strength detection fixture and tester |
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| CN105699183B (en) * | 2016-03-14 | 2018-04-10 | 镇江市建科工程质量检测中心有限公司 | A kind of safety rope ultimate strength detection fixture and testing machine |
| CN105699183A (en) * | 2016-03-14 | 2016-06-22 | 镇江市建科工程质量检测中心有限公司 | Safety rope breaking strength detection fixture and tester |
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| CN112161864B (en) * | 2020-08-27 | 2024-05-14 | 西安泰力松新材料股份有限公司 | Stretching clamp for special-shaped section wire and use method |
| CN112050855A (en) * | 2020-09-07 | 2020-12-08 | 涂玉琴 | Insulation tensile integration detecting system based on production of electric power safety rope |
| CN112556909A (en) * | 2020-11-30 | 2021-03-26 | 清华大学 | Testing device for testing tearing force |
| CN112556909B (en) * | 2020-11-30 | 2021-08-27 | 清华大学 | Testing device for testing tearing force |
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