CN108254170A - A kind of contact net tension compensating fatigue experimental device - Google Patents
A kind of contact net tension compensating fatigue experimental device Download PDFInfo
- Publication number
- CN108254170A CN108254170A CN201810030065.9A CN201810030065A CN108254170A CN 108254170 A CN108254170 A CN 108254170A CN 201810030065 A CN201810030065 A CN 201810030065A CN 108254170 A CN108254170 A CN 108254170A
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- tension compensating
- contact net
- experimental device
- gear
- tension
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- 230000007246 mechanism Effects 0.000 claims abstract description 125
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000002474 experimental method Methods 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 238000009661 fatigue test Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of contact net tension compensating fatigue experimental device, for the fatigue experimental device for testing tension compensating mechanism, the fatigue experimental device includes the first balance weight mechanism, equalising torque mechanism and the haulage gear being arranged on supporting rack；In the case where testing tension compensating mechanism, support frame as described above is used to the first tension compensating mechanism and the equalising torque mechanism being fixed on the both sides of the haulage gear；First balance weight mechanism is connect with first tension compensating mechanism, and first balance weight mechanism is used to provide tension to first tension compensating mechanism；The haulage gear is connect respectively with first tension compensating mechanism and the equalising torque mechanism, and the haulage gear rotates for drawing first tension compensating mechanism.Fatigue experimental device is simple in structure in the present invention, and production cost is low, is easy to industrialized production, and efficiently can carry out fatigue test to tension compensating mechanism.
Description
Technical field
The present invention relates to experimental technique field, more particularly to a kind of contact net tension compensating fatigue experimental device.
Background technology
Overhead contact line is the important auxiliary facility of electric railway, and predominantly electric locomotive, motor-car and high ferro provide dynamic
The power energy, as China's electric railway is popularized and the raising of overall trip speed, the stabilization that bow net dynamic property flows train
Property influence it is huge.When variation of ambient temperature, contact net clue can expand with heat and contract with cold therewith, and tension compensating mechanism is as aerial contact
Can the important device of cable material identical tension maintenance effect work normally spatial shape, bow net dynamic for maintaining contact net
Performance, locomotive are flowed and railway operation has safely extremely important effect.
At present, common tension compensating mechanism has pulley compensating device and ratchet compensating device, in order to ensure these tension
The reliability of compensation device transmission efficiency, it usually needs using contact net tension compensating fatigue experimental device to these products into
Row quality testing.Therefore a kind of efficient tension compensating mechanism how is designed with contact net tension compensating fatigue experimental device
As this field it is urgently to be resolved hurrily the technical issues of.
Invention content
In order to overcome drawbacks described above, the technical problem to be solved in the present invention is to provide a kind of contact net tension compensating fatigues
Experimental rig, to improve the efficiency that fatigue test is carried out to tension compensating mechanism.
In order to solve the above technical problems, a kind of contact net tension compensating fatigue experimental device in the embodiment of the present invention,
For testing tension compensating mechanism, the contact net tension compensating includes the first balance weight mechanism with fatigue experimental device, torque is put down
Weighing apparatus mechanism and the haulage gear being arranged on supporting rack；
In the case where testing tension compensating mechanism, support frame as described above is used for the first tension compensating mechanism and the power
Square balance mechanism is fixed on the both sides of the haulage gear；First balance weight mechanism connects with first tension compensating mechanism
It connects, first balance weight mechanism is used to provide tension to first tension compensating mechanism；The haulage gear respectively with it is described
First tension compensating mechanism is connected with the equalising torque mechanism, and the haulage gear fills for drawing first tension compensating
Put rotation.
Optionally, the equalising torque mechanism is made of the second balance weight mechanism.
Optionally, the equalising torque mechanism is made of the second tension compensating mechanism and the second balance weight mechanism；Described second
Tension compensating mechanism connects the haulage gear and second balance weight mechanism respectively；Second balance weight mechanism is used for described
Second tension compensating mechanism provides tension；The haulage gear is additionally operable to draw the second tension compensating mechanism rotation.
Optionally, first tension compensating mechanism and second tension compensating mechanism are in the traction of the haulage gear
Under, rotation direction is identical.
Optionally, the contact net tension compensating further includes two wire spools and two connection machines with fatigue experimental device
Structure, one end of each bindiny mechanism are fixed on a wire spool, the other end connect with first tension compensating mechanism or
It is connect with second tension compensating mechanism；Two wire spools are arranged on the haulage gear.
Optionally, the haulage gear includes traction machine；Two wire spools are arranged on the pulley of the traction machine.
Optionally, the haulage gear further includes variable frequency motor and gear set mechanism, the gear set mechanism difference
Connect the motor shaft of the pulley and the variable frequency motor.
Optionally, when the counterweight difference of two balance weight mechanisms, the variable frequency motor is used for variable frequency adjustment motor work(
Rate.
Optionally, the gear set mechanism includes traction gear, transmission gear and belt；The motor shaft and traction gear
Connection；The transmission gear is connect by the belt with the pulley；The traction gear and the transmission gear pass through tooth
The mode of wheel transmission connects.
Optionally, using key connection between the motor shaft and traction gear.
The present invention has the beneficial effect that：
Contact net tension compensating fatigue experimental device in the embodiment of the present invention belongs to balance fatigue tester, the contact
Net tension compensating fatigue experimental device is simple in structure, and production cost is low, is easy to industrialized production, and can be efficiently to tension
Compensation device carries out fatigue test.
Description of the drawings
Fig. 1 is a kind of structural representation of optionally contact net tension compensating fatigue experimental device in the embodiment of the present invention
Figure.
Specific embodiment
In order to solve problem of the prior art, the present invention provides a kind of contact net tension compensating fatigue experimental device,
Below in conjunction with attached drawing and embodiment, the present invention will be described in further detail.It should be appreciated that specific reality described herein
Example is applied only to explain the present invention, does not limit the present invention.
Embodiment one
The embodiment of the present invention provides a kind of contact net tension compensating fatigue experimental device, and the contact net tension compensating is used
Fatigue experimental device is for testing tension compensating mechanism, as shown in Figure 1, the contact net tension compensating fatigue experimental device packet
Include the first balance weight mechanism, equalising torque mechanism and the haulage gear being arranged on supporting rack；
In the case where testing tension compensating mechanism, support frame as described above is used for the first tension compensating mechanism and the power
Square balance mechanism is fixed on the both sides of the haulage gear；First balance weight mechanism connects with first tension compensating mechanism
It connects, first balance weight mechanism is used to provide tension to first tension compensating mechanism；The haulage gear respectively with it is described
First tension compensating mechanism is connected with the equalising torque mechanism, and the haulage gear fills for drawing first tension compensating
Put rotation.
Wherein, the first balance weight mechanism can include clump weight 1, hook 2 and traction rope 3.
Wherein, equalising torque mechanism can be only made of the second balance weight mechanism, and fatigue examination is balanced by the second balance weight mechanism
Torque when testing；Second balance weight mechanism can include hook, traction rope and configuration block 10.Of course for the effect for improving fatigue test
Rate, equalising torque mechanism can also be made of the second tension compensating mechanism 9 and the second collocation mechanism.
Wherein, haulage gear can include traction machine 8.
It can be set according to actual conditions, be not specifically limited herein without signal supporting rack, the structure of supporting rack in figure.
Contact net tension compensating fatigue experimental device in the embodiment of the present invention belongs to balance fatigue tester, the contact
Net tension compensating fatigue experimental device is simple in structure, and production cost is low, is easy to industrialized production, and can be efficiently to tension
Compensation device carries out fatigue test.
On the basis of above-described embodiment, it is further proposed that the modification of above-described embodiment.
In embodiments of the present invention, optionally, the equalising torque mechanism is by the second tension compensating mechanism 9 and the second counterweight
Mechanism is formed；Second tension compensating mechanism 9 connects the haulage gear and second balance weight mechanism respectively；Described second
Balance weight mechanism is used to provide tension to second tension compensating mechanism；The haulage gear is additionally operable to draw second tension
Compensation device rotates.
In embodiments of the present invention, optionally, first tension compensating mechanism and second tension compensating mechanism exist
Under the traction of the haulage gear, rotation direction is identical.
In embodiments of the present invention, optionally, the contact net tension compensating with fatigue experimental device further include two around
Drum and Liang Ge bindiny mechanisms, one end of each bindiny mechanism are fixed on a wire spool, the other end and first tension
Compensation device is connected or is connect with second tension compensating mechanism；Two wire spools are arranged on the haulage gear.Two
The structure of a bindiny mechanism can be identical, for example, one of them bindiny mechanism include two steel wire ropes 5 connected by wire clamp 6,
7。
In embodiments of the present invention, optionally, the haulage gear includes traction machine 8；Two wire spools are arranged on described
On the pulley of traction machine 8.
In embodiments of the present invention, optionally, the haulage gear further includes variable frequency motor 14 and gear set mechanism,
The gear set mechanism connects the motor shaft of the pulley and the variable frequency motor respectively.Wherein gear set mechanism includes leading
Draw gear 13, transmission gear 12 and belt 11；The motor shaft is connect with traction gear 13；The transmission gear 12 is by described
Belt 11 is connect with the pulley；The traction gear 13 is connected with the transmission gear 12 by gear-driven mode.Institute
It states between motor shaft and traction gear 13 using key connection.
In embodiments of the present invention, optionally, when the counterweight difference of two balance weight mechanisms, the variable frequency motor is used
In variable frequency adjustment power of motor.
In embodiments of the present invention, optionally, for each balance weight mechanism, which includes configuration block traction rope 3；
Hook 2 is provided on the clump weight, one end of the traction rope connects the clump weight by hook 2, and the other end connects one
Force compensating device.
The operation principle of the embodiment of the present invention described briefly below.
In embodiments of the present invention, optionally, contact net tension compensating includes variable frequency motor with fatigue experimental device
14th, the traction gear 13 with axis, the transmission gear 12 with axis, belt 11, traction machine 8, in the respectively setting one of 8 both sides of traction machine
Tension compensating mechanism 4,9 is covered, each tension compensating mechanism is connect by hook 2, traction rope 3 with clump weight 1；5 one end of steel wire rope
It is fixed on tension compensating mechanism 4, the other end is connect by wire clamp 6 with steel wire rope 7, and 7 other end of steel wire rope is fixed on traction machine 8
On.
Using key connection between motor shaft and traction gear 13.It is passed between transmission gear 12 and traction gear 13 using gear
It is dynamic.It is connected between traction machine 8 and traction gear 12 using belt.Traction machine 8 and the tension compensating mechanism of both sides pass through steel wire rope 7
Connection.When both sides counterweight is different, variable frequency adjustment power of motor.
Force compensating device on 8 pulley of traction machine there are two wire spool and both sides is attached respectively with steel wire rope.
It is clear in order to describe, the left and right sides of attached drawing is defined as to the left and right of contact net tension compensating fatigue experimental device
Side.When startup variable frequency motor operates clockwise, traction machine 8 is rotated clockwise.Left survey tension compensating mechanism 4 occurs suitable
Hour hands rotate, and left side clump weight 1 are pulled to rise, right side tension compensating mechanism 9 to be measured rotates clockwise, under the clump weight of right side
It is heavy.After a certain period of time, variable frequency motor rotates counterclockwise, and traction machine 8 is also rotated counterclockwise, and left side, right side are treated for operation
It surveys tension compensating mechanism to rotate counterclockwise, left side clump weight sinks, and right side clump weight rises, and mends so as to complete two sets of tension
Repay 1 fatigue test of device.Repetitive operation, the rotation direction of traction machine is controlled by variable frequency motor, and record is completed tired
Labor test number (TN) stops operating after motor operation reaches fatigue test number, is finally completed the fatigue to tension compensating mechanism
The detection in service life.
Above-described specific embodiment has carried out the purpose of the present invention, technical solution and advantageous effect further
It is described in detail, it should be understood that the foregoing is merely the specific embodiment of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of contact net tension compensating fatigue experimental device, which is characterized in that the contact net tension compensating is tried with fatigue
Experiment device for testing tension compensating mechanism, contact net tension compensating fatigue experimental device include the first balance weight mechanism,
Equalising torque mechanism and the haulage gear being arranged on supporting rack；
In the case where testing tension compensating mechanism, support frame as described above is used to put down the first tension compensating mechanism and the torque
Weighing apparatus mechanism is fixed on the both sides of the haulage gear；First balance weight mechanism is connect with first tension compensating mechanism, institute
The first balance weight mechanism is stated for providing tension to first tension compensating mechanism；The haulage gear respectively with described first
Force compensating device is connected with the equalising torque mechanism, and the haulage gear turns for drawing first tension compensating mechanism
It is dynamic.
2. contact net tension compensating fatigue experimental device as described in claim 1, which is characterized in that the equalising torque machine
Structure is made of the second balance weight mechanism.
3. contact net tension compensating fatigue experimental device as described in claim 1, which is characterized in that the equalising torque machine
Structure is made of the second tension compensating mechanism and the second balance weight mechanism；Second tension compensating mechanism connects the dragger respectively
Structure and second balance weight mechanism；Second balance weight mechanism is used to provide tension to second tension compensating mechanism；It is described
Haulage gear is additionally operable to draw the second tension compensating mechanism rotation.
4. contact net tension compensating fatigue experimental device as claimed in claim 3, which is characterized in that first tension is mended
Device and second tension compensating mechanism are repaid under the traction of the haulage gear, rotation direction is identical.
5. contact net tension compensating fatigue experimental device as claimed in claim 3, which is characterized in that the contact net tension
Compensation further includes two wire spools and Liang Ge bindiny mechanisms with fatigue experimental device, and one end of each bindiny mechanism is fixed on one
On wire spool, the other end connect with first tension compensating mechanism or is connect with second tension compensating mechanism；Two
Wire spool is arranged on the haulage gear.
6. contact net tension compensating fatigue experimental device as claimed in claim 5, which is characterized in that the haulage gear packet
Include traction machine；Two wire spools are arranged on the pulley of the traction machine.
7. contact net tension compensating fatigue experimental device as claimed in claim 6, which is characterized in that the haulage gear is also
Including variable frequency motor and gear set mechanism, the gear set mechanism connects the pulley and the variable frequency motor respectively
Motor shaft.
8. contact net tension compensating fatigue experimental device as claimed in claim 7, which is characterized in that when two balance weight mechanisms
Counterweight difference when, the variable frequency motor be used for variable frequency adjustment power of motor.
9. contact net tension compensating fatigue experimental device as claimed in claim 7, which is characterized in that the gear set mechanism
Including traction gear, transmission gear and belt；The motor shaft is connect with traction gear；The transmission gear passes through the belt
It is connect with the pulley；The traction gear is connected with the transmission gear by gear-driven mode.
10. contact net tension compensating fatigue experimental device as claimed in claim 9, which is characterized in that the motor shaft with
Using key connection between traction gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810030065.9A CN108254170B (en) | 2018-01-12 | 2018-01-12 | Fatigue test device for tension compensation of contact net |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810030065.9A CN108254170B (en) | 2018-01-12 | 2018-01-12 | Fatigue test device for tension compensation of contact net |
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| Publication Number | Publication Date |
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| CN108254170A true CN108254170A (en) | 2018-07-06 |
| CN108254170B CN108254170B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810030065.9A Active CN108254170B (en) | 2018-01-12 | 2018-01-12 | Fatigue test device for tension compensation of contact net |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970430A (en) * | 2021-10-22 | 2022-01-25 | 中国铁道科学研究院集团有限公司标准计量研究所 | Fatigue test system for multichannel contact net compensation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970430A (en) * | 2021-10-22 | 2022-01-25 | 中国铁道科学研究院集团有限公司标准计量研究所 | Fatigue test system for multichannel contact net compensation device |
| CN113970430B (en) * | 2021-10-22 | 2022-09-06 | 中国铁道科学研究院集团有限公司标准计量研究所 | Fatigue test system for multichannel contact net compensation device |
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| CN108254170B (en) | 2024-04-02 |
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