CN106556538A - Multi-angle extension test structure - Google Patents
Multi-angle extension test structure Download PDFInfo
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- CN106556538A CN106556538A CN201510641700.3A CN201510641700A CN106556538A CN 106556538 A CN106556538 A CN 106556538A CN 201510641700 A CN201510641700 A CN 201510641700A CN 106556538 A CN106556538 A CN 106556538A
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- pole
- underframe
- extension test
- ladder
- drawstring
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- 239000004744 fabric Substances 0.000 claims abstract description 34
- 210000002683 foot Anatomy 0.000 claims description 8
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000004247 hand Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to the technical field of extension test structure, disclose a kind of multi-angle extension test structure, for the multi-angle extension test of measured object, including underframe, the base fabric for fixing measured object in underframe, the ladder with multiple ladders on underframe, fixed pulley on ladder, and the drawstring that one end is fixedly connected with measured object, the drawstring other end are bypassed fixed pulley and are fixedly connected with one side of underframe, and drawstring is provided with strain gauge, and for the power set of folding and unfolding drawstring.The embodiment of the present invention is by arranging the ladder with multiple ladders on underframe, and fixed pulley is set on ladder, again drawstring is bypassed fixed pulley to carry out extension test to measured object, as the multiple ladders on ladder are located at different height respectively, by fixed pulley is separately positioned on the ladder of differing heights, and drawstring is bypassed into fixed pulley, you can form the extension test of different angles, the multi-angle extension test demand of measured object is met, measuring accuracy is improve.
Description
Technical field
The present invention relates to the technical field of extension test structure, more particularly to a kind of multi-angle extension test structure.
Background technology
Aerostatics (such as aerostat, captive balloon, dirigible, fire balloon, sightseeing balloon etc.) is fixed on
Ground, and carry gondola and fixing equipment with which, and can transmit with the structural member of distractive load drawing
Stumble.Pulling is the vitals on aerostatics, it is necessary to carry out strength test, and can checking pulling reach enough
Index, it is desirable to have corresponding test fixture structure.
Although the normal of pulling is only its symmetrical direction of principal axis using angle, it is actually used during, exist
Other angles are subject to the possibility of load, therefore, the strength test of pulling needs test space all angles.So
And, existing pulling test fixture structure can only meet the symmetrical direction of principal axis (normally using angle) of pulling
Extension test, it is impossible to meet the extension test demand of each angle in space of pulling.
The content of the invention
It is an object of the invention to provide a kind of multi-angle extension test structure, it is intended to solve in prior art,
Existing pulling test fixture structure can only carry out the problem of extension test along the symmetrical direction of principal axis of pulling to which.
A kind of multi-angle extension test structure is embodiments provided, the multi-angle for measured object is stretched
Test, the multi-angle extension test structure include underframe, are arranged at described for fixing in the underframe
The base fabric of measured object, the ladder with multiple ladders being arranged on the underframe, is arranged on the ladder
Fixed pulley, and the drawstring that one end is fixedly connected with the measured object, the other end of the drawstring bypass institute
State fixed pulley and be fixedly connected with a side of the underframe, and on the drawstring, be provided with strain gauge, and
For the power set of drawstring described in folding and unfolding.
Further, the bottom of the ladder is connected with a side of the underframe, the top of the ladder with
Be provided with support bar between the underframe, the two ends of the support bar respectively with another side of the underframe and
The top of the ladder connects, and the support bar is inclined or perpendicular to the ladder.
Further, the edge of the base fabric is respectively connected with locating bar, each described locating bar with it is described
The side close to correspondence locating bar of underframe is parallel, and the locating bar passes through the side of rope and the underframe
It is fixedly connected, and the base fabric passes through the multidirectional pulling force of multiple ropes and forms flattening shape.
Further, the edge of the base fabric is respectively provided with the socket part of hollow tube-shape, and the locating bar is worn
In the socket part, and described rope one end is connected with the locating bar, the other end and the underframe
Side close to the locating bar connects.
Further, be provided with multiple engaging lugs on the underframe, the other end of the rope with close to institute
The engaging lug connection on the side of the underframe for stating locating bar.
Further, the bottom of the underframe is provided with multiple support feets, and the support feet is used to support described
Underframe.
Further, web frame is provided with the underframe, the web frame is used to strengthen the underframe
Intensity.
Further, the underframe includes the first end to end pole, the second pole, the 3rd pole and
Four poles, and the 5th pole, first pole, the second pole, the 3rd pole and the 4th pole are closed
Enclose to form rectangle frame, the 5th pole is located at the rectangle inframe, and the two ends difference of the 5th pole
It is vertically connected at second pole and the 4th pole.
Further, the bottom of the ladder is connected with the 5th pole, the bottom of the support bar and institute
State the connection of the first pole；
The base fabric surrounds to be formed positioned at first pole, the second pole, the 5th pole and the 4th pole
Region in, and the rope of the base fabric surrounding be connected to first pole, the second pole, the 5th
Pole and the 4th pole；
One end of the drawstring is fixedly connected on the measured object, and the other end of the drawstring is bypassed described determines cunning
Be fixedly connected with the 3rd pole after wheel, and the strain gauge and power set be located at the drawstring between
On segment section between the fixed pulley and the 3rd pole.
Preferably, the power set are Hand operating hoist.
Based on the multi-angle extension test structure that above-mentioned technical proposal, the embodiment of the present invention are proposed, by the bottom of at
Ladder with multiple ladders is set on frame, and fixed pulley is set on ladder, then drawstring is bypassed into fixed pulley
To carry out extension test to measured object, thus, as the multiple ladders on ladder are located at differing heights, passing through
Fixed pulley is separately positioned on the ladder of differing heights, and drawstring is bypassed into fixed pulley, you can form different
The extension test of angle, meets the demand of the multi-angle extension test of measured object, improves measuring accuracy.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the multi-angle extension test structure that the embodiment of the present invention is proposed；
Fig. 2 is assemblied in the dimensional structure diagram of one for underframe in the embodiment of the present invention and base fabric；
Fig. 3 is the sectional perspective structural representation of the multi-angle extension test structure that the embodiment of the present invention is proposed.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing and reality
Example is applied, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
Only to explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can
Directly on another element or may be simultaneously present centering elements.It is known as when an element and " connects
In " another element, it can be directly to another element or may be simultaneously present centering elements.
In addition, also, it should be noted that the orientation term such as left and right, upper and lower in the embodiment of the present invention,
Only it is relative concept or be reference with the normal operating condition of product each other, and should not be regarded as having
Restricted.It is described in detail below in conjunction with realization of the specific embodiment to the present invention.
As shown in Figure 1 to Figure 3, the embodiment of the present invention proposes a kind of multi-angle extension test structure, and this is more
Angle extension test structure is used for the multi-angle extension test of measured object, and the measured object can be pulling, also may be used
Think other testers to be tensioned, in the present embodiment, the measured object is specifically described by taking pulling as an example.
The pulling of the present embodiment is referred to and is fixed on aerostatics surface, and the connection on gondola or ground is connected to by rope
Structural member.Specifically, the multi-angle extension test structure can include underframe 1, base fabric 2, ladder 3, fixed
Pulley 4, drawstring 5, strain gauge 6 and power set 7, wherein, base fabric 2 is fixedly installed on 1 frame of underframe
It is interior, the pulling 20 of test to be tensioned is fixedly connected with the base fabric 2；Ladder 3 is inclined and is erected on underframe 1
Ladder 31 with multiple intervals on side, and the ladder 3, is detachably fixed erection on ladder 31 and has and determine cunning
Wheel 4, the interval between adjacent steps 31 be able to can not also be waited with equal, and its individual gap size is according to reality
Depending on needs；One end of drawstring 5 is fixedly connected with pulling 20, and the other end of drawstring 5 bypasses fixed pulley 4
Follow-up reneing is stretched, and is fixedly connected with a side of underframe 1, meanwhile, strain gauge 6 and power set 7 are equal
It is arranged on drawstring 5, and strain gauge 6 and power set 7 is located on drawstring 5 between fixed pulley 4 and underframe
Position between 1 side, thus, during staff's driving power device 7, drawstring 5 is to power set 7
Shortening is gradually tightened up in direction, and tensile force is transferred to pulling 20, so, just can carry out stretching survey to pulling 20
Try, the tensile force numerical value can be tested in real time by strain gauge 6.Also, single extension test is completed
Afterwards, fixed pulley 4 can be dismantled and is attached on the ladder of another height, then be entered in the same way
Row extension test, herein, as the height of each ladder is differed, and fixed pulley 4 is in turn mounted on ladder,
And the two ends of drawstring 5 are located at the both sides of fixed pulley 4, so, the ladder of differing heights causes fixed pulley 4
The height that is located is different, and then when causing 20 extension test of pulling, the pulling 20 that drawstring 5 is pulled is relative to base
The angle of inclination of cloth 2 differs, so, be also achieved that pulling 20 multi-angle (as 0 °, 15 °,
30 °, 45 °, 60 °, 75 °, 90 ° etc.) demand of extension test, so as to improve extension test
Precision.
In the present embodiment, the extension test of pulling 20 is referred to：Whether test pulling 20 may be used in predetermined inclination
Make the reading of strain gauge 6 reach predetermined value to bear predetermined pulling force, i.e. driving power device 7, observe
Whether pulling 20 is pulled off or has damage；Or the institute in the case of predetermined inclination or multiple inclination angles of pulling 20
The ultimate tension that can be born, i.e., continuous driving power device 7, makes the reading of strain gauge 6 constantly increase, directly
In the presence of pulling force it is damaged or breaks to pulling 20, strain gauge when observation pulling 20 is damaged or broken
6 reading.
The multi-angle extension test structure that the embodiment of the present invention is proposed, with following features：
The multi-angle extension test structure that the embodiment of the present invention is proposed, by having in 1 restocking setting tool of above-mentioned underframe
The ladder 3 of multiple ladders 31, and fixed pulley 4 is set on ladder 31, then above-mentioned drawstring 5 is bypassed into this calmly
Pulley 4, and one end of drawstring 5 is fixedly connected into above-mentioned pulling 20, the other end connects 1 side of underframe, together
When connect strain gauge 6 and power set 7 on drawstring 5, tighten up drawstring 5 by driving the power set 7
To carry out extension test to pulling 20；Different height is located at respectively additionally, due to the different ladders on ladder 3,
By fixed pulley 4 is respectively placed on the ladder of differing heights, thus, drawstring 5 is bypassed into fixed pulley 4 again,
The extension test of the different angles for realizing pulling 20 can be formed, that is, the multi-angle for realizing pulling 20 is drawn
Test is stretched, so as to meet the demand of the multi-angle extension test of pulling 20, and then measuring accuracy is improve.
In an embodiment of the present invention, the bottom of above-mentioned ladder 31 is connected with a side of above-mentioned underframe 1, should
A support bar 8, bottom and the underframe 1 of the support bar 8 are provided between the top of ladder 31 and underframe 1
Another side connects, and the top of the support bar 8 is connected with the top of ladder 31, thus, the support bar 8
Shape forms an angle between ladder 31, i.e., support bar 8 is inclined or perpendicular to ladder 31, in the present embodiment,
Between 31 bottom of ladder and underframe 1,8 top of 31 top of ladder and support bar, 8 bottom of support bar and bottom
The rotation connected mode being hinged is both preferably between frame 1.As described above, adopting support bar 8 by ladder 31
Support is arranged on underframe 1, not only easy for installation, and firm and reliable connection, it is ensured that ladder 31 is the bottom of at
Stability on frame 1, so as to ensure that the accuracy of extension test.Certainly, according to practical situation and demand,
In other embodiments of the invention, between 31 bottom of ladder and underframe 1, the top of ladder 31 with support
Can also be other types of attachment between 8 top of bar, 8 bottom of support bar and underframe 1；In addition, ladder 31
Can also be arranged on underframe 1 by other means, not make unique restriction herein.
In an embodiment of the present invention, 2 preferably rectangular shape of above-mentioned base fabric.The edge of the base fabric 2
A locating bar 9 is connected with respectively, each locating bar 9 is flat with the side close to the locating bar 9 of underframe 1
OK, and the two ends of each locating bar 9 are fixedly connected with the side of above-mentioned underframe 1 by two ropes 90 respectively,
Meanwhile, the surrounding of base fabric 2 defines flattening shape in multidirectional pulling force by multiple ropes 90.Thus, logical
Cross locating bar 9 and base fabric 2 is fixed on rope 90 inframe of underframe 1, not only realize the fixation of base fabric 2
Connection, it is ensured that 2 place plane of base fabric parallel to underframe 1 place plane, so, it is to avoid base fabric 2
On pulling 20 draw angle error so that the extension test angle of pulling 20 is more accurate, so as to protect
The accuracy of extension test is demonstrate,proved.Certainly, according to practical situation and real needs, in other realities of the present invention
Apply in example, above-mentioned base fabric 2 can also be other shapes, in addition, the base fabric 2 can also be positioned by other means
The inframe of underframe 1 is fixed on, does not make unique restriction herein.
In an embodiment of the present invention, the edge of above-mentioned base fabric 2 is respectively provided with the socket part 21 of hollow tube-shape,
Above-mentioned locating bar 9 is located in socket part 21, and one end of above-mentioned rope 90 is fixedly connected with locating bar 9,
The other end of the rope 90 is fixedly connected with the side close to the locating bar 9 of underframe 1.As described above,
By arranging hollow socket part 21 in the edge of base fabric 2 so that between locating bar 9 and base fabric 2
Connection is quick and convenient, and stable connection, during assembling, only locating bar 9 need to be arranged in socket part 21, then
The two ends of locating bar 9 are fixedly connected i.e. with the side on underframe 1 near the locating bar 9 by two ropes 90
Can.Certainly, according to practical situation and real needs, in other embodiments of the invention, above-mentioned base fabric 2
Can be also attached with above-mentioned locating bar 9 by other connected modes, not make unique restriction herein.
In an embodiment of the present invention, multiple engaging lugs 11 are provided with above-mentioned underframe 1, accordingly, upper
State during base fabric 2 is positioned at 1 inframe of underframe, now above-mentioned locating bar 9 be located in socket part 21,
Again one end of above-mentioned rope 90 is fixedly connected with locating bar 9, finally by the other end of the rope 90 with it is right
The engaging lug 11 answered is fixedly connected, and the corresponding engaging lug 11 is that company closest to the locating bar 9
Lug.As described above, by engaging lug 11 is arranged on above-mentioned underframe 1 so that the other end of rope 90
Can effectively be fixedly connected with underframe 1, and connect quick, convenient disassembly improves efficiency of assembling.When
So, according to practical situation and real needs, in other embodiments of the invention, above-mentioned rope 90 can also lead to
Cross other modes to be fixedly connected with above-mentioned underframe 1, do not make unique restriction herein.
In an embodiment of the present invention, 1 bottom of above-mentioned underframe is provided with multiple support feets 12, the support feet 12
For supporting the other structures on the underframe 1, and underframe 1, herein, multiple support feets 12 are located at respectively
At the corner of 1 bottom of underframe and middle, in addition, screw 120 is offered in each support feet 12,
By screw (being not drawn in accompanying drawing) is through screw 120 and stretches into support platform (such as ground or desktop
Etc., be not drawn in accompanying drawing) in, you can realize that underframe 1 is fixed, so so that the support of underframe 1 and
Fixation is more consolidated, and improves the stability of extension test.Certainly, according to practical situation and real needs,
In other embodiments of the invention, underframe 1 can be also fixed by other means, do not make unique restriction herein.
In an embodiment of the present invention, web frame 13 is provided with above-mentioned underframe 1, the web frame 13
For strengthening the intensity of underframe 1.Herein, the web frame 13 is in the shape of the letter V, thus, V-shaped plus
Bone strengthening frame 13 is connected to the crossbeam in the middle of underframe 1 and is formed as triangular structure, by forming triangular structure,
So that the intensity of underframe 1 is effectively strengthened, so as to ensure that the stability of extension test, and then improve
The accuracy of extension test.Certainly, according to practical situation and real needs, in the other embodiment of the present invention
In, the intensity of above-mentioned underframe 1 can be also lifted by other means, do not make unique restriction herein.
In an embodiment of the present invention, above-mentioned underframe 1 may include the first pole 101, the second pole 102,
Three poles 103, the 4th pole 104 and the 5th pole 105, wherein, the first pole 101, the second pole 102,
3rd pole 103 and the 4th pole 104 are end to end and surround to form a rectangle frame, and the 5th pole 105
Cross between the second pole 102 and the 4th pole 104, i.e., the 5th pole 105 is located at the rectangle inframe,
Five poles connect to form " day " font, herein, the first pole 101 and the 3rd pole 103 and the 5th
Pole 105 is parallel, and the second pole 102 is parallel with the 4th pole 104, and the second pole 102 and the 4th
Bar 104 is each perpendicular to the first pole 101 and the 3rd pole 103, meanwhile, the two ends point of the 5th pole 105
It is not vertically connected at the second pole 102 and the 4th pole 104.
Further, the bottom of above-mentioned support bar 8 is connected with the first pole 101, the bottom of above-mentioned ladder 31
It is connected with the 5th pole 105, meanwhile, one end of above-mentioned drawstring 5 is fixedly connected with above-mentioned pulling 20, drawstring
5 other end is fixedly connected with the 3rd pole 103 after bypassing above-mentioned fixed pulley 4；Above-mentioned web frame 13
The area to be formed is surrounded in the 3rd pole 103, the 5th pole 105, the second pole 102 and the 4th pole 104
In domain, above-mentioned base fabric 2 is located at the first pole 101, the second pole 102, the 5th pole 105 and the 4th
Bar 104 is surrounded in the region to be formed, and the rope 90 of 2 surrounding of base fabric be connected to the first pole 101,
Second pole 102, the 5th pole 105 and the 4th pole 104, in addition, above-mentioned strain gauge 6 and power dress
Put 7 to be located on the segment section between fixed pulley 4 and the 3rd pole 103 of drawstring 5.As described above,
By underframe 1 is set to the first pole 101, the second pole 102, the 3rd pole 103, the 4th pole 104
And the frame like structure of the composition of the 5th pole 105 so that the installation and removal fast and easy of whole tool structure,
And stable connection is firm.Certainly, according to practical situation and real needs, in other embodiments of the invention,
Above-mentioned underframe 1 can also be the structure of other forms, not make unique restriction herein.
In an embodiment of the present invention, above-mentioned power set 7 are preferably Hand operating hoist, by staff's handss
Shake and drive the Hand operating hoist so that above-mentioned drawstring 5 is packed up towards the Hand operating hoist, is realized to pulling 20
Stretching, at the same time, staff can read the number shown by the strain gauge 6 on the drawstring 5 in real time
Value, so as to complete the single extension test to the pulling 20, thus, the height by changing fixed pulley 4
Position, to carry out the extension test of multiple angles.Herein, Hand operating hoist is easy to operate and reliable, more changes hands
Dynamic control, and its affordable, certainly, according to practical situation and real needs, in other realities of the present invention
Apply in example, above-mentioned power set 7 can also be other force pieces, not make unique restriction herein.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited to
This, any those familiar with the art the invention discloses technical scope in, can readily occur in
Various equivalent modifications, replace and improve etc., these modification, replace and improve should all cover the present invention
Within protection domain.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. multi-angle extension test structure, for the multi-angle extension test of measured object, it is characterised in that institute
Stating multi-angle extension test structure includes underframe, be arranged in the underframe for fixing the measured object
Base fabric, the ladder with multiple ladders being arranged on the underframe, the fixed pulley being arranged on the ladder,
And the drawstring that one end is fixedly connected with the measured object, the other end of the drawstring bypasses the fixed pulley simultaneously
It is fixedly connected with a side of the underframe, and on the drawstring, is provided with strain gauge, and is used for folding and unfolding institute
State the power set of drawstring.
2. multi-angle extension test structure as claimed in claim 1, it is characterised in that the bottom of the ladder
End is connected with a side of the underframe, is provided with support bar between the top of the ladder and the underframe,
The two ends of the support bar are connected with another side of the underframe and the top of the ladder respectively, and described
Support bar is inclined or perpendicular to the ladder.
3. multi-angle extension test structure as claimed in claim 1, it is characterised in that the four of the base fabric
Circumferential edges are respectively connected with locating bar, the side close to corresponding locating bar of each described locating bar and the underframe
Side is parallel, and the locating bar is fixedly connected with the side of the underframe by rope, and the base fabric is by more
The multidirectional pulling force of the individual rope forms flattening shape.
4. multi-angle extension test structure as claimed in claim 3, it is characterised in that the four of the base fabric
Circumferential edges are respectively provided with the socket part of hollow tube-shape, and the locating bar is arranged in the socket part, and the rope
Suo Yiduan is connected with the locating bar, and the other end is connected with the side close to the locating bar of the underframe.
5. multi-angle extension test structure as claimed in claim 4, it is characterised in that set on the underframe
Be equipped with multiple engaging lugs, the other end of the rope with close on the side of the underframe of the locating bar
Engaging lug connection.
6. multi-angle extension test structure as claimed in claim 1, it is characterised in that the bottom of the underframe
Portion is provided with multiple support feets, and the support feet is used to support the underframe.
7. multi-angle extension test structure as claimed in claim 1, it is characterised in that set in the underframe
Web frame is equipped with, the web frame is used for the intensity for strengthening the underframe.
8. the multi-angle extension test structure as described in any one of claim 1 to 7, it is characterised in that institute
Stating underframe includes the first end to end pole, the second pole, the 3rd pole and the 4th pole, and the 5th
Pole, first pole, the second pole, the 3rd pole and the 4th pole are surrounded and to form rectangle frame, institute
The 5th pole is stated positioned at the rectangle inframe, and the two ends of the 5th pole are respectively perpendicular and are connected to described the
Two poles and the 4th pole.
9. multi-angle extension test structure as claimed in claim 8, it is characterised in that the bottom of the ladder
End is connected with the 5th pole, and the bottom of the support bar is connected with first pole；
The base fabric surrounds to be formed positioned at first pole, the second pole, the 5th pole and the 4th pole
Region in, and the rope of the base fabric surrounding be connected to first pole, the second pole, the 5th
Pole and the 4th pole；
One end of the drawstring is fixedly connected on the measured object, and the other end of the drawstring is bypassed described determines cunning
Be fixedly connected with the 3rd pole after wheel, and the strain gauge and power set be located at the drawstring between
On segment section between the fixed pulley and the 3rd pole.
10. the multi-angle extension test structure as described in any one of claim 1 to 7, it is characterised in that
The power set are Hand operating hoist.
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|---|---|---|---|
| CN201510641700.3A CN106556538B (en) | 2015-09-30 | 2015-09-30 | Multi-angle tensile test structure |
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| CN201510641700.3A CN106556538B (en) | 2015-09-30 | 2015-09-30 | Multi-angle tensile test structure |
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| CN108240939A (en) * | 2018-02-09 | 2018-07-03 | 哈尔滨工业大学 | Dirigible handgrip intensity experiment loading device |
| CN109507020A (en) * | 2017-09-20 | 2019-03-22 | 东莞前沿技术研究院 | Testpieces strength testing device and testpieces strength test method |
| CN114104639A (en) * | 2022-01-28 | 2022-03-01 | 徐州利恒轨道交通设备有限公司 | Device is place in transport of hawser |
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| CN109507020A (en) * | 2017-09-20 | 2019-03-22 | 东莞前沿技术研究院 | Testpieces strength testing device and testpieces strength test method |
| CN108007629A (en) * | 2017-11-28 | 2018-05-08 | 天津浩源慧能科技有限公司 | A kind of novel indicator measurer for pulling force |
| CN108240939A (en) * | 2018-02-09 | 2018-07-03 | 哈尔滨工业大学 | Dirigible handgrip intensity experiment loading device |
| CN114104639A (en) * | 2022-01-28 | 2022-03-01 | 徐州利恒轨道交通设备有限公司 | Device is place in transport of hawser |
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