CN106404432A - Pay-off pulley testing device, testing system, and testing method - Google Patents
Pay-off pulley testing device, testing system, and testing method Download PDFInfo
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- CN106404432A CN106404432A CN201510494173.8A CN201510494173A CN106404432A CN 106404432 A CN106404432 A CN 106404432A CN 201510494173 A CN201510494173 A CN 201510494173A CN 106404432 A CN106404432 A CN 106404432A
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- 238000012360 testing method Methods 0.000 title claims abstract description 130
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 238000010998 test method Methods 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000002708 enhancing effect Effects 0.000 description 1
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Abstract
The invention provides a pay-off pulley testing device, testing system, and testing method. The pay-off pulley testing device includes an outer frame, a lift-up hydraulic cylinder arranged outside one side of the outer frame, two testing hydraulic cylinders that are arranged outside the other side of the outer frame at an interval, a pulling-force wire rope for connecting the lift-up hydraulic cylinder and a pay-off pulley, and a test wire rope for connecting the two testing hydraulic cylinders and the pay-off pulley. The pay-off pulley testing device can stimulate the dynamic mechanical properties of the pay-off pulley at the high altitude. Compared with the testing device in the prior art, the pay-off pulley testing device is simple in structure, low in manufacturing and installation costs, and flexible in combination or movement.
Description
Technical field
The present invention relates to analog simulation testing equipment field, specifically a kind of testing equipment of releasing pulley, pilot system
And test method.
Background technology
During UHV transmission line unwrapping wire, in order to protect wire injury-free and improve efficiency of construction, wire
It is by being suspended on the releasing pulley on each shaft tower, sequentially unfold on circuit.Unwrapping wire finishes, and wire is again in unwrapping wire
It is tensioned to the angle value of speeding of requirement in coaster.Therefore, releasing pulley is that high pressure overhead power line tension stringing must
Few key equipment, plays an important role to protection wire, raising payingoff construction efficiency.
At present, the quickening built with extra-high voltage, domestic and international extra-high voltage large-section lead releasing pulley usage amount is very big,
The test of traditional coaster is that large-scale common puller system carries out static tensile force test it is impossible to the actual dynamic effect of simulative pulley
Really, there is larger uncertainty in actual use；The large-scale puller system of traditional sled test can produce in process of the test
, there is larger potential safety hazard in the raw larger impact of ratio；The large-scale puller system of traditional sled test needs to excavate ground and carries out
Fixed installation, operating expenses is high, and cannot move at any time after installing.So far, domestic it is not specifically designed for putting
The testing equipment of line car, leads to sled test to depend on simple static tensile force completely and tests it is impossible to simulative pulley is actual
Using effect.
Content of the invention
In order to overcome the shortcomings of existing testing equipment cannot simulative pulley practical effect, the invention provides a kind of
The testing equipment pilot system of releasing pulley and test method, reach the purpose of simulative pulley practical effect.
The technical solution adopted for the present invention to solve the technical problems is：A kind of testing equipment of releasing pulley, unwrapping wire is slided
The testing equipment of car includes：Housing；Jacking hydraulic cylinder, is arranged on outside the side of housing；Two test hydraulic cylinders, two
Individual test hydraulic cylinder is disposed on outside the opposite side of housing；Tension wire rope, for connecting jacking hydraulic cylinder and unwrapping wire
Coaster；Test steel wire rope, for connecting two test hydraulic cylinders and releasing pulley.
Further, releasing pulley includes apparatus for suspension and pulley, and one end of tension wire rope passes through housing and jacking hydraulic pressure
Cylinder is connected, and the other end of tension wire rope can be connected by coaster connector and apparatus for suspension.
Coaster connector includes：Two block frame plates, two block frame plate parallel interval settings；Two piece of first gripper shoe, two piece
One gripper shoe parallel interval setting, and two piece of first gripper shoe be perpendicular to arbitrary frame plate, the one of two piece of first gripper shoe
End is located between one end of two block frame plates, and the other end of two piece of first gripper shoe is located at outside one end of two block frame plates, and two
It is fixed with the connecting plate for being connected with apparatus for suspension between the other end of block first gripper shoe；Installing plate, is arranged at two pieces
Between the other end of frame plate, installing plate is provided with the anchorage for fixing tension wire rope on frame plate, installing plate；
Two piece of second gripper shoe, the setting of two piece of second gripper shoe parallel interval, two piece of second gripper shoe perpendicular to arbitrary frame plate,
And between the end face of the other end that two piece of second gripper shoe is respectively positioned on installing plate and frame plate.
Further, jacking hydraulic cylinder is hollow cylinder, and jacking hydraulic cylinder is internally provided with upper blocking seat and lower deck, pulling force
One end of steel wire rope is provided with hydraulic cylinder fixture, and hydraulic cylinder fixture can be with upper blocking seat and lower deck clamping.
Further, test hydraulic cylinder is provided with pressure cylinder connecting component, the two ends of test steel wire rope are all by hydraulic cylinder
Connector is fixedly connected with corresponding test hydraulic cylinder.
Further, housing is rectangular configuration, and housing includes girder, the lower girder curb girder parallel with two, upper master
Beam and lower girder are parallel to each other, and two parallel curb girders are arranged between back timber and underbeam.
Further, jacking hydraulic cylinder is arranged on the outside of girder, two test hydraulic cylinder interval setting lower girders
Outside, the testing equipment of releasing pulley also includes two for changing the test steel between releasing pulley and test hydraulic cylinder
The quarter block of cord angle, one of two quarter blocks are arranged on the inner side of a curb girder, two quarter blocks
In another be arranged on the inner side of another curb girder.
Further, housing is in and is horizontally disposed with, and releasing pulley equipment also includes auto-leveling mechanism, this automatic leveling machine
Structure includes being arranged on the oil cylinder at four angles of housing, and four oil cylinders can support releasing pulley equipment and adjust housing
To level.
Further, jacking hydraulic cylinder is hollow cylinder, is provided with displacement transducer and pulling force sensor in jacking hydraulic cylinder；
It is provided with displacement transducer in test hydraulic cylinder.
Present invention also offers a kind of pilot system of releasing pulley, releasing pulley pilot system includes above-mentioned unwrapping wire and slides
The testing equipment of car, releasing pulley pilot system also contains hydraulic power unit and centralized-control box, jacking hydraulic cylinder and two
It is connected by hydralic hose data line between test hydraulic cylinder and hydraulic power unit, this hydraulic power unit and this centralized-control box
Connected by signal cable.
Invention further provides a kind of test method of releasing pulley, the test method of this releasing pulley includes following
Step：Step 1, releasing pulley is installed to above-mentioned releasing pulley pilot system；Step 2, make jacking hydraulic cylinder pair
Releasing pulley applies pulling force, makes two test hydraulic cylinders alternately apply pulling force to releasing pulley.
The present invention further provides a kind of test method of releasing pulley, and the test method of this releasing pulley includes
Following steps：Step 1, releasing pulley is installed to above-mentioned releasing pulley pilot system；Step 2, make jacking hydraulic pressure
Cylinder applies pulling force to releasing pulley, makes two test hydraulic cylinders apply pulling force to releasing pulley simultaneously.
The invention has the beneficial effects as follows, by the releasing pulley testing equipment in the embodiment of the present invention, unwrapping wire can be simulated
Coaster is in the dynamic mechanical of work high above the ground.And the releasing pulley testing equipment in the embodiment of the present invention compare existing
For testing equipment in technology, structure is less, manufactures and mounting cost is relatively low, and being capable of flexible combination or movement.
Brief description
The Figure of description constituting the part of the application is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and its illustrate for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the testing equipment embodiment according to releasing pulley of the present invention；
Fig. 2 is the front view of the coaster connector of the testing equipment embodiment according to releasing pulley of the present invention；
Fig. 3 is the side view of the coaster connector of the testing equipment embodiment according to releasing pulley of the present invention；
Fig. 4 is the front view of the pressure cylinder connecting component of the testing equipment embodiment according to releasing pulley of the present invention.
In figure reference：10th, housing；11st, upper girder；12nd, lower girder；13rd, curb girder；20th, jacking hydraulic pressure
Cylinder；30th, releasing pulley；31st, apparatus for suspension；341st, frame plate；342nd, the first gripper shoe；343rd, connecting plate；344、
Installing plate；345th, anchor head；346th, pressing plate；347th, the second gripper shoe；348th, reinforcing plate；32nd, pulley；33、
Quarter block；34th, coaster connector；40th, test hydraulic cylinder；41st, pressure cylinder connecting component；411st, side plate；412、
Strengthen gripper shoe；413rd, fixing bolt；50th, test steel wire rope；60th, tension wire rope.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutually combine.To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in figure 1, embodiments providing a kind of testing equipment of releasing pulley, the test of releasing pulley sets
Standby inclusion housing 10,20, two test hydraulic cylinders 40 of jacking hydraulic cylinder, tension wire rope 60 and test steel wire rope
50.Wherein, jacking hydraulic cylinder 20 is arranged on outside the side of housing 10.Two test hydraulic cylinders 40 are disposed on
Outside the opposite side of housing 10.Tension wire rope 60 is used for connecting jacking hydraulic cylinder 20 and releasing pulley 30.Test steel
Cord 50 is used for connecting two test hydraulic cylinders 40 and releasing pulley 30.
By the releasing pulley testing equipment in the embodiment of the present invention, releasing pulley can be simulated dynamic in work high above the ground
Mechanical property.And the releasing pulley testing equipment in the embodiment of the present invention compared to existing technology in testing equipment for
Structure is less, manufactures and mounting cost is relatively low, and being capable of flexible combination or movement.
Specifically, as shown in figure 1, the housing 10 in the embodiment of the present invention is rectangular configuration, housing 10 includes master
Beam 11, lower girder 12 curb girder 13 parallel with two, upper girder 11 and lower girder 12 are parallel to each other.Two parallel
Curb girder 13 be arranged between girder 11 and lower girder 12.Jacking hydraulic cylinder 20 is arranged on the outer of girder 11
Side, the outside of two test hydraulic cylinder 40 interval setting lower girders 12, the testing equipment of releasing pulley also includes two
For change releasing pulley 30 and test hydraulic cylinder 40 between test steel wire rope 50 angle quarter block 33, two
One of individual quarter block 33 is arranged on the inner side of a curb girder 13, and another in two quarter blocks 33 sets
Put the inner side in another curb girder 13.Two quarter blocks 33 are oppositely arranged, and quarter block 33 is respectively positioned on two
The side that curb girder 13 is located near test hydraulic cylinder 40.
Preferably, above-mentioned housing 10 is demountable structure, upper girder 11, lower girder 12 curb girder parallel with two
13 are all bolted to connection.Housing 10 is in be horizontally disposed with, even if the testing equipment shown in used time Fig. 1 is parallel
In ground, releasing pulley equipment also includes auto-leveling mechanism, and this auto-leveling mechanism includes being arranged on housing 10
The oil cylinder at four angles, four oil cylinders can support releasing pulley equipment and adjust housing 10 to level.Wherein,
Housing 10 in the embodiment of the present invention is 600mm apart from the height of supporting surface.
It should be noted that auto-leveling mechanism can carry out any of 600mm scope according to the height of test coaster
Adjust, height adjustment be located at the oil cylinder meeting Automatic Levelling at four angles, make equipment be in horizontality all the time,
Save manpower, it is to avoid cause potential safety hazard.
Releasing pulley 30 in the embodiment of the present invention includes apparatus for suspension 31 and pulley 32.There is connection logical on upper girder 11
Hole, one end of tension wire rope 60 is passed through this connection through hole and is connected with jacking hydraulic cylinder 20.Tension wire rope
60 other end can be connected with apparatus for suspension 31 by coaster connector 34.Wherein, coaster connector 34
It is fixedly connected by latch between one end and apparatus for suspension 31, the other end of coaster connector 34 is provided with and draws for fixation
The fixed part of power steel wire rope 60.
Specifically, as shown in Figures 2 and 3, coaster connector 34 includes 341, two piece of first support of two block frame plates
Plate 342,344, two piece of second gripper shoe 347 of installing plate.Two block frame plate 341 parallel interval is arranged.Two piece first
Gripper shoe 342 parallel interval is arranged and perpendicular to arbitrary frame plate 341.One end of two piece of first gripper shoe 342 is located at two
Between one end of block frame plate 341, the other end of two piece of first gripper shoe 342 is located at outside one end of two block frame plates 341.
All fixing hole is offered, above-mentioned coaster connector also includes connecting plate 343 on the other end of two piece of first gripper shoe 342,
One end of connecting plate 343 is connected with fixing hole by bolt, and the other end of connecting plate 343 is provided with and apparatus for suspension
The connecting hole of 31 cooperations, above-mentioned latch can be fixing with apparatus for suspension 31 by the other end of connecting plate 343.Installing plate 344
It is arranged between the other end of two block frame plates 341, installing plate 344 is arranged on frame plate 341, installing plate 344
There is the anchorage for fixing tension wire rope 60, wherein, above-mentioned anchorage is anchor head 345 and pressing plate 346.Installing
It is provided with two piece of second gripper shoe 347, two piece of second gripper shoe 347 between plate 344 and another side end face of frame plate 341
Parallel interval is arranged and two piece of second gripper shoe 347 is perpendicular to arbitrary frame plate 341.Wherein, second gripper shoe 347
The distance between length and two block frame plates 341 are identical, and the width of the second gripper shoe 347 is equal to the appearance of installing plate 344
The distance between another side end face of face and frame plate 341.
Further, the outer surface of one end of each the first gripper shoe 342 is provided with reinforcing plate 348, reinforcing plate
348 are located between two block frame plates 341, and reinforcing plate 348 is perpendicular to the first gripper shoe 342 and frame plate 341.
Need explanation when, above-mentioned coaster connector 34 be designed to universal, that is, coaster connector 34 can with existing
Various coasters be attached.Releasing pulley 30 in the embodiment of the present invention is split type releasing pulley.
Further, jacking hydraulic cylinder 20 is hollow cylinder, and jacking hydraulic cylinder 20 is internally provided with upper blocking seat and lower deck,
One end of tension wire rope 60 is provided with hydraulic cylinder fixture, hydraulic cylinder fixture can with upper blocking seat and lower deck clamping,
So that one end of tension wire rope 60 is connected with piston in jacking hydraulic cylinder.Above-mentioned jacking hydraulic cylinder 20 is in work
When making, hydraulic cylinder fixture circularly enhancing tension wire rope 60 can be passed through.
Wherein, it is provided with precise displacement sensor in jacking hydraulic cylinder 20, the precision of this precise displacement sensor is
0.01mm, for being monitored and controlled the displacement of piston in jacking hydraulic cylinder.It is additionally provided with pulling force in jacking hydraulic cylinder to pass
Sensor, this pulling force sensor is used for accurate measurement jacking hydraulic cylinder 20 pulling force, with the accuracy of guarantee test.
As shown in figure 1, being provided with pressure cylinder connecting component 41, lower girder 12 on each test hydraulic cylinder 40 above-mentioned
On be provided with two connection through holes, each test hydraulic cylinder 40 all with one connection through hole corresponding, test steel wire rope 50
Two ends all by pressure cylinder connecting component 41 with corresponding test hydraulic cylinder 40 piston be fixedly connected.Above-mentioned hydraulic cylinder
Connector 41 can be placed in the corresponding connection through hole of lower girder 12, and can be along the axial direction of above-mentioned connection through hole
Slide.
Specifically, as shown in figure 4, pressure cylinder connecting component 41 includes two blocks of side plates 411, strengthens gripper shoe 412 and
Fixing bolt 413.Two pieces of side plate 411 parallel interval settings, the two ends of every block of side plate 411 are provided with bolt and fix
Hole.The two ends strengthening gripper shoe 412 connect two blocks of side plates 411 respectively, and strengthen gripper shoe 412 perpendicular to arbitrary
Side plate 411.Fixing bolt 413 be two, each fixing bolt 413 all can pass through corresponding bolt fixing hole with
Two blocks of side plates 411 connect.Wherein, shown fixing bolt on the left of Fig. 4 is used for joint test steel wire rope 50, Fig. 4
Fixing bolt shown in right side is used for being fixedly connected with test hydraulic cylinder 40.
Test hydraulic cylinder 40 in the embodiment of the present invention also includes displacement transducer, and this displacement transducer is used for controlling examination
Test the displacement of piston in hydraulic cylinder 40.
Upper girder 11, curb girder 13 and lower girder 12 are used bolt in assembling by the releasing pulley in the embodiment of the present invention
Connect, be assembled into rectangular frame.Auto-leveling mechanism is bolted to framework corner simultaneously, makes framework liftoff
600mm.Secondly, jacking hydraulic cylinder 20 and test hydraulic cylinder 40 are bolted to corresponding position, and install
Good quarter block 33.Again tension wire rope 60 is passed through hydraulic pressure chucking cylinder and jacking hydraulic cylinder 20, and hydraulic cylinder is pressed from both sides
Tool is fixed on upper and lower deck.Tension wire rope 60 other end and apparatus for suspension 31 use coaster connector 34 fixing,
Then coaster connector 34 is fixed with split type releasing pulley with latch.Subsequently, by one end of test steel wire rope 50
Use pressure cylinder connecting component 41 fixing with wherein test hydraulic cylinder 40, the other end of test steel wire rope 50 passes through and turns
Use pressure cylinder connecting component 41 fixing with another test hydraulic cylinder 40 after angle pulley 33 and split type releasing pulley.
The embodiment of the present invention additionally provides a kind of pilot system of releasing pulley, and this releasing pulley pilot system includes above-mentioned
The testing equipment of releasing pulley, releasing pulley pilot system also contains hydraulic power unit and centralized-control box, jacking hydraulic cylinder
20 and two test hydraulic cylinders 40 and hydraulic power unit between be connected by hydralic hose data line, this hydraulic power unit with
This centralized-control box is connected by signal cable.
Several control chambers in the embodiment of the present invention are used for controlling pulling force and the displacement of each hydraulic cylinder.Hydraulic power unit is used for
It is jacking hydraulic cylinder 20 and test hydraulic cylinder 40 offer power, hydraulic power unit has alternating current generator, constant pressure variable displacement pump, is
The Hydraulic Elements composition such as system pressure valve, pressure regulator valve and electromagnetic relief valve.Above-mentioned hydralic hose is used for transmitting hydraulic power,
Above-mentioned data wire is used for transmitting the control data between jacking hydraulic cylinder 20 and/or test hydraulic cylinder 40 and hydraulic power unit.
Further, the embodiment of the present invention additionally provides a kind of test method of releasing pulley, the test of this releasing pulley
Method comprises the following steps：Step 1, releasing pulley 30 is installed to above-mentioned releasing pulley pilot system.Step 2,
Make jacking hydraulic cylinder 20 apply pulling force to releasing pulley 30, make two test hydraulic cylinders 40 alternately to releasing pulley
30 applying pulling force.
Dynamic analog test can be carried out to the split type releasing pulley in the embodiment of the present invention using said method, specifically
As follows：Jacking hydraulic cylinder 20 parameter is set to the pulling force of specified split type releasing pulley.Two are tested hydraulic cylinder
The parameter of 40 wherein one test hydraulic cylinder 40 is set to stretch out, and is arranged as required to stretch out displacement.By two
Test hydraulic cylinder 40 other one test hydraulic cylinder 40 parameter be set to retract, and with test hydraulic cylinder formerly
40 to stretch out displacement equal.So under specified pulling force, test hydraulic cylinder 40 will pull test steel wire rope 50 to circulate
Mobile.It is provided with enumerator in centralized-control box in the embodiment of the present invention, is able to record that cycle-index, to simulate steel
Cord is in split type supratrochlear actual unfolding form.This test can unlimited circulate, and the split type unwrapping wire of simulation is slided
The service life of car and fatigue strength, making split type releasing pulley fully meet leads of ultra-high voltage power transmission lines unfolding will
Ask.
Preferably, the embodiment of the present invention additionally provides a kind of test method of releasing pulley, the test side of this releasing pulley
Method comprises the following steps：Step 1, releasing pulley 30 is installed to above-mentioned releasing pulley pilot system.Step 2, make
Jacking hydraulic cylinder 20 applies pulling force to releasing pulley 30, makes two test hydraulic cylinders 40 simultaneously to releasing pulley 30
Apply pulling force.
Static simulation test can be carried out to the split type releasing pulley in the embodiment of the present invention using said method, specifically
As follows：Design parameter according to split type releasing pulley and relevant criterion, setting jacking hydraulic cylinder 20 top lift with
And the deflection that split type releasing pulley allows.Two test hydraulic cylinders 40 are set to static displacement, starting device
Carry out pull test, at this moment complete equipment can carry out static tensile force test according to the parameter setting to coaster.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect：
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made
Any modification, equivalent substitution and improvement etc., should be included within the scope of the present invention.
Claims (12)
1. a kind of testing equipment of releasing pulley is it is characterised in that the testing equipment of described releasing pulley includes：
Housing (10)；
Jacking hydraulic cylinder (20), is arranged on outside the side of housing (10)；
Two tests hydraulic cylinder (40), two tests hydraulic cylinder (40) are disposed on the opposite side of housing (10)
Outward；
Tension wire rope (60), for connecting jacking hydraulic cylinder (20) and releasing pulley (30)；
Test steel wire rope (50), for connecting two tests hydraulic cylinder (40) and releasing pulley (30).
2. the testing equipment of releasing pulley according to claim 1 is it is characterised in that releasing pulley (30)
Including apparatus for suspension (31) and pulley (32), one end of tension wire rope (60) passes through housing (10) and jacking liquid
Cylinder pressure (20) is connected, and the other end of tension wire rope (60) can pass through coaster connector (34) and coaster
Frame (31) is connected.
3. the testing equipment of releasing pulley according to claim 2 is it is characterised in that coaster connector (34)
Including：
Two block frame plates (341), two block frame plate (341) parallel interval settings；
Two piece of first gripper shoe (342), two piece of first gripper shoe (342) parallel interval setting, and two piece first
Gripper shoe (342) is located at two block frame plates perpendicular to arbitrary frame plate (341), one end of two piece of first gripper shoe (342)
(341), between one end, the other end of two piece of first gripper shoe (342) is located at one end of two block frame plates (341)
Outside, be bolted between the other end of two piece of first gripper shoe (342) for apparatus for suspension (31) phase
Connecting plate (343) even；
Installing plate (344), is arranged between the other end of two block frame plates (341), installing plate (344) is perpendicular to frame
Plate (341), installing plate (344) is provided with the anchorage for fixing tension wire rope (60)；
Two piece of second gripper shoe (347), two piece of second gripper shoe (347) parallel interval setting, two piece of second support
Plate (347) is perpendicular to arbitrary frame plate (341), and two piece of second gripper shoe (347) is respectively positioned on installing plate (344)
And the end face of the other end of frame plate (341) between.
4. the testing equipment of releasing pulley according to claim 2 is it is characterised in that jacking hydraulic cylinder (20)
For hollow cylinder, jacking hydraulic cylinder (20) is internally provided with upper blocking seat and lower deck, one end of tension wire rope (60)
It is provided with hydraulic cylinder fixture, described hydraulic cylinder fixture can be with described upper blocking seat and described lower deck clamping.
5. the testing equipment of releasing pulley according to claim 1 is it is characterised in that test hydraulic cylinder (40)
On be provided with pressure cylinder connecting component (41), the two ends of test steel wire rope (50) are all by pressure cylinder connecting component (41)
It is fixedly connected with corresponding test hydraulic cylinder (40).
6. the testing equipment of releasing pulley according to claim 1 is it is characterised in that housing (10) is square
Shape structure, girder (11), lower girder (12) curb girder (13) parallel with two, upper master in housing (10) inclusion
Beam (11) and lower girder (12) are parallel to each other, two parallel curb girders (13) be arranged on girder (11) and under
Between girder (12).
7. the testing equipment of releasing pulley according to claim 6 is it is characterised in that jacking hydraulic cylinder (20)
It is arranged on the outside of girder (11), the outsides of two tests hydraulic cylinder (40) interval setting lower girder (12),
The testing equipment of described releasing pulley also include two be used for changing releasing pulley (30) and test hydraulic cylinder (40) it
Between test steel wire rope (50) angle quarter block (33), one of two quarter blocks (33) are arranged on
The inner side of a piece curb girder (13), another in two quarter blocks (33) is arranged on another curb girder (13)
Inner side.
8. the testing equipment of releasing pulley according to claim 6 is it is characterised in that described housing (10)
In being horizontally disposed with, described releasing pulley equipment also includes auto-leveling mechanism, and this auto-leveling mechanism includes setting outside
The oil cylinder at four angles of frame (10), four described oil cylinders can support described releasing pulley equipment and by housing (10)
Adjust to level.
9. the testing equipment of releasing pulley according to claim 1 is it is characterised in that jacking hydraulic cylinder (20)
For hollow cylinder, jacking hydraulic cylinder is provided with displacement transducer and pulling force sensor in (20)；Test hydraulic cylinder (40)
Inside it is provided with displacement transducer.
10. a kind of pilot system of releasing pulley it is characterised in that described releasing pulley pilot system include right will
Seek the testing equipment of the releasing pulley shown in any one in 1 to 9, described releasing pulley pilot system also contains hydraulic pressure
Pumping plant and centralized-control box, between jacking hydraulic cylinder (20) and two tests hydraulic cylinder (40) and described hydraulic power unit
Connected by hydralic hose data line, this hydraulic power unit and this centralized-control box are connected by signal cable.
A kind of 11. test methods of releasing pulley are it is characterised in that the test method of this releasing pulley includes following step
Suddenly：
Step 1, releasing pulley (30) is installed to releasing pulley pilot system described in claim 10；
Step 2, make jacking hydraulic cylinder (20) to releasing pulley (30) apply pulling force, make two test hydraulic cylinder (40)
Alternately pulling force is applied to releasing pulley (30).
A kind of 12. test methods of releasing pulley are it is characterised in that the test method of this releasing pulley includes following step
Suddenly：
Step 1, releasing pulley (30) is installed to releasing pulley pilot system described in claim 10；
Step 2, make jacking hydraulic cylinder (20) to releasing pulley (30) apply pulling force, make two test hydraulic cylinder (40)
Pulling force is applied to releasing pulley (30) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510494173.8A CN106404432A (en) | 2015-08-12 | 2015-08-12 | Pay-off pulley testing device, testing system, and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510494173.8A CN106404432A (en) | 2015-08-12 | 2015-08-12 | Pay-off pulley testing device, testing system, and testing method |
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| Publication Number | Publication Date |
|---|---|
| CN106404432A true CN106404432A (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510494173.8A Pending CN106404432A (en) | 2015-08-12 | 2015-08-12 | Pay-off pulley testing device, testing system, and testing method |
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| CN104792515A (en) * | 2015-05-12 | 2015-07-22 | 中国电力科学研究院 | Paying-off pulley test rack |
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