CN108548738B - Reciprocating tester for pull force of 3000 ton or below cable - Google Patents
Reciprocating tester for pull force of 3000 ton or below cable Download PDFInfo
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- CN108548738B CN108548738B CN201810555155.XA CN201810555155A CN108548738B CN 108548738 B CN108548738 B CN 108548738B CN 201810555155 A CN201810555155 A CN 201810555155A CN 108548738 B CN108548738 B CN 108548738B
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- 238000012360 testing method Methods 0.000 claims abstract description 95
- 239000010720 hydraulic oil Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a cable tension reciprocating testing machine with 3000 tons and below, which comprises a base, a stator end hydraulic device, a testing end and a testing end hydraulic device, wherein the base is provided with a stator end; the testing machine adopts the testing end of the hydraulic mechanism servo testing machine, so that the testing range of the cable is enlarged, the stator end can be driven to realize macroscopic and accurate positioning, the accurate positioning of the stator end on the base can be accurately regulated, and the four tension rods of the testing end push the cable reversely by back and forth pulling, so that the stable and reliable tension test is ensured.
Description
Technical Field
The invention belongs to the technical field of ship manufacturing, and relates to a ship cable, in particular to a cable tension reciprocating testing machine with the weight of 3000 tons or less.
Background
The ship mooring ropes are various in types, different in requirements for mooring rope tests bearing different tensile forces, different mooring ropes, especially main mooring ropes bearing large tensile forces, are required to be subjected to tensile force tests according to relevant national standards, and a testing machine with larger servo equipment is required to be provided.
Practice shows that whether the ship cable tension test value is accurate or not depends on various factors such as the accuracy of the tester instrument, the reliability of state simulation, the accuracy of test data and the like.
Disclosure of Invention
The invention aims to overcome the defects or drawbacks of the prior art, and provides a reciprocating testing machine for a cable tension of 3000 tons or less, which can save time cost, has higher efficiency and reduces test cost.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a kind of 3000 tons and inferior hawser tensile force reciprocating testing machine, the testing machine includes the base, stator end hydraulic means, test end and test end hydraulic means;
the base comprises at least two groove-shaped bases which are parallel to the ground and have opposite notches, the edge of the upper surface of the wing plate of the groove-shaped base is provided with a step, and the bases are sequentially provided with a stator end hydraulic device, a stator end, a test end and a test end hydraulic device from the front end to the rear end;
the stator end hydraulic device comprises a truss, a stator end hydraulic machine and a truss driving mechanism, the stator end hydraulic machine is arranged on the truss, the rear end of a hydraulic shaft of the stator end hydraulic machine is connected with the stator end, the truss driving mechanism comprises four truss rollers arranged on the left side and the right side of the truss and a power assembly for driving the four truss rollers, and the truss rollers are positioned on steps on a lower wing plate of the base;
the stator end comprises a stator end shell, stator end rollers, a stator end hydraulic shaft connecting piece and a cable starting end connector, wherein the left end and the right end of the stator end shell are clamped in openings of a groove type base, the left end and the right end of the stator end shell are respectively provided with a pin hole, upper wing plates and lower wing plates of the groove type base are symmetrically provided with a plurality of pin holes matched with the stator end shell in the front-back travel range of the stator end shell, the stator end shell is fixed on the base through a pin shaft, the stator end rollers are at least four rollers which are arranged at the bottom of the stator end shell and are positioned on steps of a lower wing plate of the base, the stator end hydraulic mechanism shaft connecting piece and the cable starting end connector are respectively arranged on the front surface and the rear surface of the stator end shell, the stator end hydraulic shaft connecting piece and the cable starting end connector are positioned on the same axis, and the stator end hydraulic shaft connecting piece is connected with a hydraulic shaft of a stator end hydraulic mechanism;
the testing end hydraulic device comprises a fixed shell, a hydraulic pump and four tension rods, wherein the left end and the right end of the fixed shell are respectively positioned in and fixed with a notch of the notch-type base, the hydraulic pump is arranged on the fixed shell, the pump shaft of the hydraulic pump is positioned at the central position of the rear side of the fixed shell and can longitudinally reciprocate, the four tension rods are vertical and penetrate through the front surface and the rear surface of the fixed shell, and the tension rods can longitudinally reciprocate through the fixed shell;
the testing end comprises a testing front end, a testing rear end, a cable terminal connector, a pump shaft connector and a tension sensor, wherein the testing front end is fixedly arranged at the front end of a tension rod of the testing end hydraulic device, at least one pair of front end rollers are arranged at the bottom of the testing front end, the front end rollers are positioned at the left side and the right side of the bottom of the testing front end and are positioned on steps of a lower wing plate of the groove-shaped base, and the cable terminal connector is arranged on the front surface of the testing front end; the rear end of the test is fixedly arranged at the rear end of a tension rod of the test-end hydraulic device, the bottom of the front end of the test is provided with at least one pair of rear-end rollers, the rear-end rollers are positioned at the left side and the right side of the bottom of the front end of the test and are positioned on steps of a lower wing plate of the groove-type base, and the front surface of the rear end of the test is provided with a pump shaft connector which is fixedly connected with a pump shaft of the hydraulic pump; the tension sensor is arranged on a cable to be tested;
the stator end hydraulic shaft, the cable initial end connector, the pump shaft of the hydraulic pump and the cable terminal connector are positioned on the same longitudinal axis.
The 3000 ton and below cable tension reciprocating testing machine is characterized in that a web plate of the groove-shaped base is provided with a plurality of stress holes, and the number and the perforating mode of the stress holes can be adjusted according to the material and the shape characteristics of the groove-shaped base.
The 3000 ton and below cable pulling force reciprocating testing machine is characterized in that the groove-shaped base is formed by mutually splicing a plurality of sub-bases, the connecting parts of the two connected sub-bases are fixedly connected through base connecting plates, and the base connecting plates are respectively positioned on the upper wing plate and the lower wing plate of the groove-shaped base.
The power assembly of the truss driving mechanism is two driving motors respectively positioned at the front and the rear parts of the truss, and the driving motors and truss rollers which are powered by the driving motors are in gear transmission.
The stator end hydraulic machine comprises a hydraulic motor, a hydraulic oil tank and a stator end hydraulic pump; the hydraulic motor is arranged on a hydraulic oil tank, the hydraulic oil tank is connected with a stator end hydraulic pump, and a stator end hydraulic shaft capable of longitudinally reciprocating is arranged on the hydraulic pump.
The 3000 ton and below cable tension reciprocating testing machine, the stator end hydraulic machine further comprises an emergency start-stop switch arranged on the truss and positioned beside the hydraulic motor and/or a cooling fan arranged on the hydraulic oil tank.
The 3000 ton and below cable tension reciprocating testing machine is characterized in that the hydraulic pump penetrates through the fixed shell, and the middle part of the hydraulic pump is fixedly connected with the fixed shell.
The tension sensor transmits the tested tension deformation value and tension value data of the cable to the computer processing terminal through the signal wire to obtain the real-time observation cable tension test computer processing result.
The 3000 ton and below cable tension reciprocating testing machine has tension rods evenly distributed at four corners of the fixed shell.
The cable pull reciprocating tester with the weight of 3000 tons and below adopts a pin connection mode by a cable initial end connector and/or a cable terminal end connector.
Compared with the prior art, the invention has the following beneficial effects:
1) The invention can test cables with the weight of 3000 tons or less;
2) The test end of the hydraulic mechanism servo tester is adopted, so that the test range of the cable is enlarged, and 3000 tons or less of cable can be adjusted for testing.
3) The stator end can be driven to realize macroscopic and accurate positioning, and the accurate positioning of the stator end on the base can be accurately regulated.
4) The four tension rods at the test end pull the cable reversely through reciprocating pulling, so that the tension test is ensured to be stable and reliable.
5) The test end is provided with a sensor, and experimental data can be recorded into a computer in real time for processing, and the processing is real-time and reliable.
6) The trolley is adjusted by adopting a jack mode, so that cables with different lengths can be adjusted;
drawings
FIG. 1 is a schematic perspective view of a reciprocating testing machine for tensile force of 3000 tons or less cables according to the present invention;
FIG. 2 is a schematic view of the structure of the pins of the channel and stator ends of the base of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a top view of the channel base of FIG. 1;
FIG. 5 is a schematic view of the assembled structure of the stator end hydraulic device of FIG. 1;
FIG. 6 is a schematic view of the assembled structure of the stator end of FIG. 1;
FIG. 7 is a schematic view of the side rear view structure of FIG. 6;
fig. 8 is a front view of fig. 6;
FIG. 9 is a partial enlarged view at B of FIG. 8;
FIG. 10 is a schematic view of the test-side hydraulic device and test-side assembly of the device of FIG. 1;
FIG. 11 is a schematic perspective view of the test port hydraulic device and the test port of FIG. 1;
fig. 12 is a right side view of the schematic of fig. 11.
Detailed Description
The technical scheme and beneficial effects of the invention are further described and illustrated below with reference to the above drawings.
Referring to fig. 1, in conjunction with fig. 2-12, there is shown a reciprocating testing machine for tensile force of 3000 tons and below, the key technical scheme is as follows:
as shown in fig. 1, the cable tension reciprocating test machine of 3000 tons and below comprises a base 1, a stator end hydraulic device 2, a stator end 3, a test end hydraulic device 4 and a test end 5;
the base 1 comprises two parallel groove-shaped bases 11 with opposite notches, each groove-shaped base 11 is formed by splicing a plurality of channel steels 11a, and upper and lower wing plates of two adjacent channel steels 11a are fixed through base connecting plates 11 b; the edge of the upper surface of the lower wing plate of the groove-shaped base 11 is provided with a step 11c, and the web plate of each channel steel 11a is provided with a plurality of stress holes 11d.
The stator end hydraulic device 2 comprises a truss 21, a stator end hydraulic machine 22 and a truss driving mechanism 23, wherein the truss 21 is of a rectangular frame structure, the front side and the rear side of the truss 21 are respectively provided with a truss roller 21a, the truss rollers 21a are respectively positioned on steps 11c of the groove base 11, two truss rollers 21a positioned at the front end of the truss 21 and two truss rollers 21a positioned at the rear end of the truss 21 are respectively driven by two driving motors 21b, and the driving motor 21b and the truss rollers 21a are in gear transmission. The stator end hydraulic machine 22 is arranged above the truss 21, a hydraulic shaft 22a of the stator end hydraulic machine 22 can longitudinally reciprocate, and the rear end of the hydraulic shaft 22a is connected with the stator end; the stator-end hydraulic machine 22 further comprises a hydraulic oil tank 22b mounted on the truss 21, a hydraulic motor 22c mounted on the hydraulic oil tank, a stator-end hydraulic pump 22d connected with the hydraulic shaft 22b, an emergency start-stop switch 22e mounted beside the hydraulic motor 22c, and a cooling fan 22f mounted on the hydraulic oil tank 22 b.
The stator end 3 comprises a stator end shell 31, a stator end roller 32, a stator end hydraulic shaft connecting piece 33 and a cable start end connector 34; the rectangular shell shape of the stator end shell 31, the left and right ends of the stator end shell 31 are positioned in the notch of the groove-shaped base 11, a pin hole 31a is respectively formed in the left and right sides, a plurality of pin holes 11e matched with the pin holes 31a are formed in the upper wing plate and the lower wing plate of the groove-shaped base 11 within the longitudinal travel range of the stator end shell 31, the stator end shell 31 is fixedly positioned on the groove-shaped base 11 through a pin shaft 31b, four stator end rollers 32 are mounted at the bottom of the stator end shell 31, and the stator end rollers 32 are positioned on the step 11c of the groove-shaped base 11. The front end middle part of the stator end shell 31 is provided with a stator end hydraulic shaft connecting piece 33, the rear end middle part of the stator end shell 31 is provided with a cable starting end connector 34, and the stator end hydraulic shaft connecting piece 33 is connected with the hydraulic shaft 22 b.
The test end hydraulic device 4 comprises a fixed shell 41, a hydraulic pump 42 and four tension rods 43, wherein the left end and the right end of the fixed shell 41 are respectively positioned in and fixed with a notch of the groove-shaped base 11, the hydraulic pump 42 penetrates through the longitudinally central part of the fixed shell 41 and is fixed with the fixed shell 41, the pump shaft 42a of the hydraulic pump 42 is positioned at the rear end of the fixed shell 41, the four tension rods 43 penetrate through the front surface and the rear surface of the fixed shell 41, and the tension rods 43 can longitudinally reciprocate.
The test end 5 includes a test front end 51, a test rear end 52, a cable terminal connector 53, a pump shaft connector 54 and a tension sensor 55 (not shown in the figure), the test front end 51 and the test rear end 52 are rectangular blocks, the test front end 51 is fixed at the front end of the tension rod 43, the test rear end 52 is fixed at the rear end of the tension rod 43, front end rollers 51a are arranged at the left and right sides of the bottom of the test front end 51, rear end rollers 52a are arranged at the left and right sides of the bottom of the test rear end 52, and the front end rollers 51a and the rear end rollers 52a are arranged on the step 11c of the groove base 11. A cable termination connector 53 is located at the front surface center of the test front end 51 and a pump shaft connector 54 is located at the front surface center of the test rear end 52 and is connected to the rear end of the pump shaft 42 a. The tension sensor 55 is arranged on the cable to be tested, and the tension sensor 55 transmits the tested cable tension deformation value and tension value data to the computer processing terminal through the signal wire to obtain a real-time observation cable tension test computer processing result.
When the hydraulic machine is used, the positions of the stator end hydraulic device 2 and the stator end 3 on the base 1 are adjusted by utilizing the two driving motors 21b of the truss 21 according to the length of a cable, the stator end 3 is fixedly limited by utilizing the pin shaft 31b, the position of the test end 5 is adjusted to a required position by the hydraulic pump 42, the cable is sleeved on the cable starting end connector 34 and the cable terminal connector 53, the tension sensor 55 is arranged on the cable, the computer, the stator end hydraulic machine 22 and the test end hydraulic pump 42 are debugged to work normally, tension is provided for the cable by the stator end hydraulic machine 22 and the test end hydraulic pump 42, test data are recorded and analyzed by utilizing the computer, high-temperature heat dissipation generated in the working process of the stator end hydraulic machine 22 is realized by utilizing the heat dissipation fan 22f, and the emergency start-stop switch 22e can close the testing machine when danger is found.
Claims (10)
1. The cable tension reciprocating tester is characterized by comprising a base, a stator end hydraulic device, a test end and a test end hydraulic device;
the base comprises at least two groove-shaped bases which are parallel to the ground and have opposite notches, wherein a step is arranged at the edge of the upper surface of a wing plate of the groove-shaped base, and the base is sequentially provided with a stator end hydraulic device, a stator end, a test end and a test end hydraulic device from the front end to the rear end;
the stator end hydraulic device comprises a truss, a stator end hydraulic machine and a truss driving mechanism, the stator end hydraulic machine is arranged on the truss, the rear end of a hydraulic shaft of the stator end hydraulic machine is connected with the stator end, the truss driving mechanism comprises four truss rollers arranged on the left side and the right side of the truss and a power assembly for driving the four truss rollers, and the truss rollers are positioned on steps on a lower wing plate of the base;
the stator end comprises a stator end shell, stator end rollers, stator end hydraulic shaft connecting pieces and a cable initial end connector, wherein the left end and the right end of the stator end shell are clamped in notches of the groove-shaped base, the left end and the right end of the stator end shell are respectively provided with a pin hole, upper wing plates and lower wing plates of the groove-shaped base are symmetrically provided with a plurality of pin holes matched with the stator end shell in the longitudinal travel range of the stator end shell, the stator end shell is fixed on the base through pin shafts, the stator end rollers are at least four rollers which are arranged at the bottom of the stator end shell and are positioned on steps of the lower wing plates of the base, the stator end hydraulic mechanism shaft connecting pieces and the cable initial end connector are respectively arranged on the front surface and the rear surface of the stator end shell, the stator end hydraulic shaft connecting pieces and the cable initial end connector are positioned on the same axis, and the stator end hydraulic shaft connecting pieces are connected with a hydraulic shaft of the stator end hydraulic mechanism;
the testing end hydraulic device comprises a fixed shell, hydraulic pumps and four tension rods, wherein the left end and the right end of the fixed shell are respectively positioned in and fixed with a notch of the notch-shaped base, the hydraulic pumps are arranged on the fixed shell, pump shafts of the hydraulic pumps are positioned at the central position of the rear side of the fixed shell and can longitudinally reciprocate, the four tension rods vertically penetrate through the front surface and the rear surface of the fixed shell, and the tension rods can longitudinally move in a telescopic mode along the front-rear direction through the fixed shell;
the testing end comprises a testing front end, a testing rear end and a tension sensor, wherein the testing front end is fixedly arranged at the front end of a tension rod of the testing end hydraulic device, at least one pair of front end rollers are arranged at the bottom of the testing front end, the front end rollers are positioned at the left side and the right side of the bottom of the testing front end and are positioned on steps of a lower wing plate of the groove-shaped base, and a cable terminal connector is arranged on the front surface of the testing front end; the testing rear end is fixedly arranged at the rear end of a tension rod of the testing end hydraulic device, at least one pair of rear end rollers are arranged at the bottom of the testing front end, the rear end rollers are positioned at the left side and the right side of the bottom of the testing front end and are positioned on steps of a lower wing plate of the groove-type base, and a pump shaft connector is arranged on the front surface of the testing rear end and is fixedly connected with a pump shaft of the hydraulic pump; the tension sensor is arranged on a cable to be tested;
the stator end hydraulic shaft, the cable initial end connector, the pump shaft of the hydraulic pump and the cable terminal connector are positioned on the same longitudinal axis.
2. The reciprocating testing machine for tensile force of 3000 tons and below of cables according to claim 1, wherein the web of the trough-shaped base is provided with a plurality of stress holes, and the number and the perforation mode of the stress holes can be adjusted according to the material and the shape of the trough-shaped base.
3. The machine according to claim 1 or 2, wherein the trough-shaped base is formed by mutually splicing a plurality of sub-bases, the connecting parts of the two connected sub-bases are fixedly connected through base connecting plates, and the base connecting plates are respectively positioned on the upper wing plate and the lower wing plate of the trough-shaped base.
4. The machine of claim 1, wherein the power components of the truss drive mechanism are two drive motors respectively positioned at the front and rear parts of the truss, and the drive motors are in gear transmission with truss rollers powered by the drive motors.
5. The machine of claim 1, wherein the stator side hydraulic machine comprises a hydraulic motor, a hydraulic tank, and a stator side hydraulic pump; the hydraulic motor is arranged on the hydraulic oil tank, the hydraulic oil tank is connected with the stator end hydraulic pump, and the hydraulic pump is provided with a stator end hydraulic shaft capable of longitudinally reciprocating.
6. The machine of claim 5, wherein the stator end hydraulic machine further comprises an emergency start-stop switch mounted to the truss and located beside the hydraulic motor and/or a radiator fan mounted to the hydraulic tank.
7. The machine of claim 1, wherein the hydraulic pump extends through the stationary housing and the middle of the hydraulic pump is fixedly connected to the stationary housing.
8. The reciprocating testing machine for cable tension of 3000 tons and below according to claim 1, wherein the tension sensor transmits the tested cable tension deformation value and tension value data to the computer processing terminal through the signal wire, so as to obtain the real-time observed cable tension testing computer processing result.
9. The machine of claim 1, wherein the tension rods are uniformly distributed at four corners of the fixed housing.
10. A machine according to claim 1, wherein said cable start connector and/or said cable end connector are/is pinned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555155.XA CN108548738B (en) | 2018-06-01 | 2018-06-01 | Reciprocating tester for pull force of 3000 ton or below cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555155.XA CN108548738B (en) | 2018-06-01 | 2018-06-01 | Reciprocating tester for pull force of 3000 ton or below cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108548738A CN108548738A (en) | 2018-09-18 |
| CN108548738B true CN108548738B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810555155.XA Active CN108548738B (en) | 2018-06-01 | 2018-06-01 | Reciprocating tester for pull force of 3000 ton or below cable |
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| Country | Link |
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| CN (1) | CN108548738B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020053909A (en) * | 2000-12-26 | 2002-07-06 | 이계안 | Parking brake test system |
| CN102109445A (en) * | 2010-12-09 | 2011-06-29 | 南京航空航天大学 | Multi-direction heavy load frictional wear test method |
| CN204188510U (en) * | 2014-11-19 | 2015-03-04 | 石家庄赛恩特煤矿机械制造有限公司 | A kind of Anchor Agent intensity detection testing table |
| CN206787931U (en) * | 2017-03-21 | 2017-12-22 | 九力绳缆有限公司 | A kind of hawser pull testing machine |
| CN107870135A (en) * | 2017-12-13 | 2018-04-03 | 西华大学 | The cable life test device and method of testing of a kind of variable element |
| CN208270351U (en) * | 2018-06-01 | 2018-12-21 | 浙江四兄绳业有限公司 | 3000 tons and following hawser pull reciprocating tester |
-
2018
- 2018-06-01 CN CN201810555155.XA patent/CN108548738B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020053909A (en) * | 2000-12-26 | 2002-07-06 | 이계안 | Parking brake test system |
| CN102109445A (en) * | 2010-12-09 | 2011-06-29 | 南京航空航天大学 | Multi-direction heavy load frictional wear test method |
| CN204188510U (en) * | 2014-11-19 | 2015-03-04 | 石家庄赛恩特煤矿机械制造有限公司 | A kind of Anchor Agent intensity detection testing table |
| CN206787931U (en) * | 2017-03-21 | 2017-12-22 | 九力绳缆有限公司 | A kind of hawser pull testing machine |
| CN107870135A (en) * | 2017-12-13 | 2018-04-03 | 西华大学 | The cable life test device and method of testing of a kind of variable element |
| CN208270351U (en) * | 2018-06-01 | 2018-12-21 | 浙江四兄绳业有限公司 | 3000 tons and following hawser pull reciprocating tester |
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| Publication number | Publication date |
|---|---|
| CN108548738A (en) | 2018-09-18 |
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