CN109830918A - Cable laying equipment - Google Patents
Cable laying equipment Download PDFInfo
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- CN109830918A CN109830918A CN201910094973.9A CN201910094973A CN109830918A CN 109830918 A CN109830918 A CN 109830918A CN 201910094973 A CN201910094973 A CN 201910094973A CN 109830918 A CN109830918 A CN 109830918A
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- supporting element
- traction rope
- moving conduit
- cable laying
- cable
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- 238000012360 testing method Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 11
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000035874 Excoriation Diseases 0.000 description 1
- 206010061245 Internal injury Diseases 0.000 description 1
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
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- Electric Cable Installation (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The present invention relates to a kind of cable laying equipments comprising device for testing tensile force；Device for testing tensile force includes bracket；First supporting element；Second supporting element；Third supporting element；The gap of first supporting element, the second supporting element and third supporting element forms traction rope moving conduit, first supporting element and the second supporting element are located at the first side of traction rope moving conduit, third supporting element is located at second side of traction rope moving conduit, and the first side and second side are the opposite two sides of traction rope moving conduit；First supporting element, third supporting element and the second supporting element, successively to be abutted with traction rope when traction rope passes through traction rope moving conduit；Traction rope moving conduit is in non-linear shape；Pressure acquisition unit；And message processing module.Above-mentioned cable laying equipment can will act at the pressure conversion on third supporting element into the pulling force of traction rope, i.e., can test the pulling force of traction rope it is not necessary that pulling force acquisition unit is sealed in traction rope also.
Description
Technical field
The present invention relates to cable laying fields, more particularly to a kind of cable laying equipment.
Background technique
Here statement only provides background information related with the application, without necessarily constituting the prior art.
When laying cables, the pulling force size of traction rope influences the laying quality of cable.Traditionally, sensor is sealed in and is led
In the force structure of messenger, to monitor the pulling force size of traction rope.However, some cable laying occasions do not have condition that pulling force is adopted
Collection unit seals in the force structure of traction rope, such as lays in comb to traction laying, the traction of push pipe cable of cable.
Summary of the invention
Based on this, it is necessary to which providing a kind of can test the pulling force of traction rope it is not necessary that pulling force acquisition unit is sealed in traction rope also
Cable laying equipment.
A kind of cable laying equipment, including device for testing tensile force；
The device for testing tensile force includes:
Bracket；
First supporting element is set on the bracket；
Second supporting element is set on the bracket；
Third supporting element is set on the bracket；First supporting element, second supporting element and third support
The gap of part forms traction rope moving conduit, and it is logical that first supporting element and second supporting element are located at traction rope movement
First side in road, the third supporting element are located at second side of the traction rope moving conduit, first side and described second
Side is the opposite two sides of the traction rope moving conduit；First supporting element, the third supporting element and second described
Support member, successively to be abutted with traction rope when traction rope passes through the traction rope moving conduit；The traction rope moving conduit
In non-linear shape；
Pressure acquisition unit is set on the bracket, the pressure acted on the third supporting element for monitoring traction rope
Power；And
Message processing module, to receive the monitoring result of the pressure acquisition unit, according to the monitoring information received
Judge whether the pulling force of traction rope reaches the pulling force threshold value of traction rope, and the sending when the pulling force of traction rope meets or exceeds threshold value
Alarm.
Above-mentioned cable laying equipment is led when traction rope passes through traction rope moving conduit using pressure acquisition unit monitoring
Messenger acts on the pressure on third supporting element, can be converted the drawing of traction rope according to the pressure acted on third supporting element
Power can test the pulling force of traction rope it is not necessary that pulling force acquisition unit is sealed in traction rope also.
First supporting element, second supporting element and/or the third supporting element are in one of the embodiments,
The gap of pulley, the annular outer surface of first supporting element, second supporting element and/or the third supporting element forms institute
State traction rope moving conduit.
First supporting element, second supporting element and/or the third supporting element in one of the embodiments,
Annular outer surface is equipped with annular groove.
The cell wall of the annular groove, which is equipped with, in one of the embodiments, increases slip layer.
First supporting element, second supporting element and the third supporting element are horizontal in one of the embodiments,
Setting, first supporting element and second supporting element are located at the upside of the traction rope moving conduit, the third support
Part is located at the downside of the traction rope moving conduit.
Second side of the traction rope moving conduit is equipped with the first auxiliary supports and second in one of the embodiments,
Auxiliary supports；First auxiliary supports, first supporting element, the third supporting element, second supporting element and
Second auxiliary supports, successively to be abutted with traction rope when traction rope passes through the traction rope moving conduit.
First supporting element, second supporting element, and/or the third supporting element in one of the embodiments,
It is equipped with the block piece to prevent traction rope from radially sliding.
It in one of the embodiments, further include several supports, the support includes pedestal and is set to the pedestal
On to support cable or traction rope to be detached from the 4th supporting element on ground.
The 4th supporting element is pulley in one of the embodiments, and the annular outer surface of the 4th supporting element is used
To support cable or traction rope.
The take-up in one of the embodiments, further including take-up bracket and being rotatably set on the take-up bracket
Wheel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the cable laying equipment that one embodiment of the invention provides.
Fig. 2 is the structural schematic diagram of the device for testing tensile force in Fig. 1.
Fig. 3 is the top view of the device for testing tensile force in Fig. 2.
Fig. 4 is the stress diagram for the position that traction rope is abutted by third supporting element.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
As shown in Figures 1 to 4, the cable laying equipment 100 that one embodiment of the invention provides comprising device for testing tensile force
110。
Specifically, device for testing tensile force 110 includes: bracket 111, the first supporting element 113 on bracket 111, is set to
The second supporting element 115 on bracket 111, the third supporting element 117 on bracket 111 are used to acquire on bracket 111
Traction rope 20 acts on the pressure acquisition unit 119 and message processing module 118 of the pressure on third supporting element 117.Wherein,
Message processing module 118 is led to receive the monitoring result of pressure acquisition unit 119 according to the monitoring information judgement received
Whether the pulling force of messenger 20 reaches threshold value, and sounds an alarm when the pulling force of traction rope 20 meets or exceeds threshold value.
More specifically, the gap of the first supporting element 113, the second supporting element 115 and third supporting element 117 forms traction rope fortune
Dynamic channel 112.First supporting element 113 and the second supporting element 115 are located at the first side of traction rope moving conduit 112, third support
Part 115 is located at second side of traction rope moving conduit 112, and the first side and second side are the opposite of traction rope moving conduit 112
Two sides.First supporting element 113, third supporting element 117 and the second supporting element 115, to be moved in traction rope 20 across traction rope
It is successively abutted with traction rope 20 when channel 112；Traction rope moving conduit 112 is in non-linear shape.
Cable laying equipment 100 is supervised when traction rope 20 passes through traction rope moving conduit using pressure acquisition unit 119
It surveys traction rope 20 and acts on the pressure on third supporting element 117, can be converted according to the pressure acted on third supporting element 117
At the pulling force of traction rope 20, i.e., the pulling force of traction rope 20 can be tested it is not necessary that pulling force acquisition unit is sealed in traction rope 20 also.
Specifically, the data of the acquisition of pressure acquisition unit 119 are set as F.Traction rope 20 is abutted by third supporting element 117
The stress condition of position is as described in Fig. 2 and Fig. 4, and wherein F2 and F3 etc. is big, and is equal to the pulling force of traction rope 20；F1, F2 and F3's
Resultant force is zero；Resultant force F23 and F1 of F2 and F3 etc. are big reversed.F2=F3=F23/ (2 × cos (r/2))=F1/ (2 × cos (r/
2))=F/ (2 × cos (r/2)), wherein third supporting element 117 acts on power F1 and F on traction rope 20 etc. greatly reversely, and r is
The angle of F2 and F3.Therefore the size of the power of traction rope 20 is equal to F/ (2 × cos (r/2)), can pass through pressure acquisition unit
119 information monitored are converted into the pulling force of traction rope 20, also can without sealing in pulling force acquisition unit in traction rope 20
Monitor the pulling force of traction rope 20.
Specifically, message processing module 118 judges whether the pulling force of traction rope 20 reaches there are two types of the modes of threshold value: a kind of
To message processing module 118 by the monitoring information of the pressure acquisition unit 119 received, i.e. traction rope 20 acts on third support
Power on part 117 is converted to the pulling force of traction rope 20, and by the pulling force threshold comparison of itself and traction rope 20, leads so as to obtain
Whether the pulling force of messenger 20 has met or exceeded the pulling force threshold value of traction rope 20；Another kind is to turn the pulling force threshold value of traction rope 20
Change the pressure threshold that traction rope 20 acts on third support rod 117 into, information processing module 118 is adopted receiving pressure
After the detection information for collecting unit 119, the pressure threshold directly acted on third support rod 117 with traction rope 20 is compared,
So as to show whether the pressure that traction rope 20 acts on third support rod 117 has met or exceeded pressure threshold, in turn
It can judge whether the pulling force of traction rope 20 has met or exceeded the pulling force threshold value of traction rope 20.
It is understood that the pulling force of traction rope 20 is pulling force suffered by cable 30.
In the present embodiment, bracket 111 is equipped with fixing axle 1171, and third supporting element 117 and pressure acquisition unit 119 are all provided with
In in fixing axle 1171.It is understood that in a further embodiment, pressure acquisition unit 119 can also be set to other energy
Enough collect the position for the pressure that traction rope 20 is applied on third supporting element 117.
Optionally, message processing module 118 may include loudspeaker.Traction rope is met or exceeded in the pulling force of traction rope 20
20 pulling force threshold value is sounded an alarm by loudspeaker, so that operator can be handled in time abnormal conditions, from
And preferably ensure the laying quality of cable.It is understood that the mode sounded an alarm is not limited to loudspeaker, can also use
The modes such as light signal.
In the present embodiment, the first supporting element 113, the second supporting element 115 and third supporting element 117 are pulley, and first
The gap of the annular outer surface of support member 113, the second supporting element 115 and third supporting element 117 forms traction rope moving conduit 112.
That is the first supporting element 113, the second supporting element 115 and third supporting element 117 to the outer surface that abuts with traction rope 20 are song
Face can make traction rope 20 in smooth shape, that is, avoid traction rope 20 logical because of traction rope movement in traction rope moving conduit 112
Road 112 and the phenomenon that locally bend.
In addition, the first supporting element 113, the second supporting element 115 and third supporting element 117 are pulley, i.e. the first supporting element
113, the second supporting element 115 and third supporting element 117 can be rotated, so that the first supporting element 113, the second supporting element 115 and third
Frictional force of the supporting element 117 respectively between traction rope 20 can be stiction, and friction is small, to avoid because of traction rope
Frictional force is larger and influence traction rope 20 between 20 and first supporting element 113, the second supporting element 115 and third supporting element 117
It pulls.
In the present embodiment, set on the annular outer surface of the first supporting element 113, the second supporting element 115 and third supporting element 117
There is annular groove 101.Specifically, annular groove 101 is matched with traction rope 20, thus traction rope 20 and the first supporting element 113,
When the second supporting element 115 and third supporting element 117, the first supporting element 113, the second supporting element 115 and are at least partly fallen into
In the annular groove 101 of three supporting elements 117, to prevent traction rope 20 on the direction perpendicular to traction rope moving conduit 112
Offset.
It is understood that in a further embodiment, it can also be only in the first supporting element, the second supporting element and third branch
Annular groove is set on the annular outer surface of one or two of support member.For example, only in the first supporting element and the second supporting element
Annular outer surface on annular groove is set, then pass through rationally setting third supporting element the first supporting element of distance and second respectively
The distance of support member, to avoid offset of the traction rope 20 on the direction perpendicular to traction rope moving conduit 112.
Optionally, the cell wall of annular groove 101, which is equipped with, increases slip layer, to further decrease the first supporting element 113, second
Supporting element 115 and third supporting element 117 are respectively acting on the frictional force on traction rope 20.
In the present embodiment, the first supporting element 113, the second supporting element 115 and third supporting element 117 are horizontally disposed, and first
Supporting element 113 and the second supporting element 115 are located at the upside of traction rope moving conduit 112, and third supporting element 117 is located at traction rope fortune
The downside in dynamic channel 112.First supporting element 113, the second supporting element 115 and third supporting element 117 are horizontally disposed, to avoid
Traction rope moving conduit 112 causes traction rope 20 to slip from traction rope moving conduit 112 because tilting to side.
It should be noted that the first supporting element 113 and the second supporting element 115 are located at the upside of traction rope moving conduit 112,
Refer to cable laying equipment 100 in use, in vertical direction, the first supporting element 113 and the second supporting element 115 are located at traction rope fortune
The upside in dynamic channel 112.Correspondingly, third supporting element 117 is located at the downside of traction rope moving conduit 112, refer to that cable laying is set
Standby 100 in use, in vertical direction, third supporting element 117 is located at the downside of traction rope moving conduit 112.
In the present embodiment, second side of traction rope moving conduit 112 is equipped with the first auxiliary supports 114 and the second auxiliary branch
Support member 116.In other words, the first auxiliary supports 114 and the second auxiliary supports 116 are located at traction with third supporting element 117
The same side of rope moving conduit 112.First auxiliary supports 114, the first supporting element 113, third supporting element 117, second support
Part 115 and the second auxiliary supports 116, to traction rope 20 pass through traction rope moving conduit 112 when successively with traction rope 20
It abuts.
In addition, if the height that cable 30 is laid is lower than the height of traction rope moving conduit 112, being drawn in the present embodiment
The height of the one end of rope 20 connecting with cable 30 is lower than the height of traction rope moving conduit 112.And the first auxiliary supports 114
With the setting of the second auxiliary supports 116, moreover it is possible to so that traction rope 20 is when passing through traction rope moving conduit 112 in the shape of tensioning
State.
The setting of first auxiliary supports 114 and the second auxiliary supports 116 can prevent traction rope 20 from dropping, to make
Obtaining traction rope 20 can abut with the first supporting element 113 and the second supporting element 115.Optionally, the first auxiliary supports 114 and
Two auxiliary supports 116 are also pulley.
It is understood that in a further embodiment, the first supporting element, the second supporting element and third supporting element are not limited to
Pulley can also be other rotatable elements on bracket, be also possible to be fixed at the element on bracket.
When the first supporting element, the second supporting element and third supporting element are fixed on bracket, can the first supporting element,
The surface setting of second supporting element and third supporting element abutted with traction rope 20 increases slip layer, to reduce the first supporting element, second
Frictional force between supporting element and third supporting element and traction rope 20.
Correspondingly, in other feasible embodiment, the first auxiliary supports and the second auxiliary supports are also not necessarily limited to
Pulley.
In the present embodiment, cable laying equipment 100 further includes several supports 150.Specifically, support 150 includes pedestal
151 and on pedestal 151 to support cable 30 or traction rope 20 to be detached from the 4th supporting element 153 on ground.Support 150
Setting so that cable 30 or traction rope 20 are detached from ground, reduce cable 30 or traction rope 20 mop floor the risk of abrasion, in turn
Reduce the wind such as electric leakage or 30 internal injury of cable caused by cable 30 or traction rope 20 are ruptured because of oversheath in use
Danger.
It is understood that several production 150 need to be arranged along the laying route of cable 30.The number of support 150 according to
The length of cable 30 to be laid and the quality of cable 30 are configured, and to ensure that cable 30 is detached from ground, and avoid adjacent two
The excessively tenesmus of cable 30 between a support 150 is advisable.
It should be noted that being set according to specific location, support 150 can be only used for support cable 30；It can also only use
In support traction rope 20；Traction rope 20 can also be supported first, during pulling cable 30 mobile to traction rope 20, traction rope
20 progressively disengage the support of support 150, and support 150 switchs to support cable 30.
It is understood that in order to support cable 30 or traction rope 20, the pedestal 151 of support 150 need to be fixed at ground
On upper or other suitable positions.For example, sucker can be arranged in the bottom of pedestal 151, so that pedestal and bottom surface or other
The element of position is fixed；Fixation hole can also be set on pedestal 151, be screwed pedestal 151.
In the present embodiment, the 4th supporting element 153 is pulley, and the annular outer surface of the 4th supporting element 153 is to support cable
30 or traction rope 20.4th supporting element 153 is curved surface to the outer surface that abuts with cable 30 or traction rope 20, can be to avoid
The phenomenon that cable 30 or traction rope 20 are locally bent because of the support with the 4th supporting element 153.
In addition, general pulley can be rotated, so that the friction between the 4th supporting element 153 and cable 30 or traction rope 20
Power is stiction, and friction is small, is avoided in cabling 30, acts on biggish frictional force over the cable 30 and the electricity that rubs
The oversheath of cable 30.
In the present embodiment, pressure acquisition unit 119 is pressure sensor.It is understood that in a further embodiment,
It can also be by the device of the size of other power of can detecte as pressure acquisition unit, such as pressure tester.
In the present embodiment, cable laying equipment 100 further includes take-up bracket 131 and is rotatably set to take-up bracket 131
On take-up pulley 130.Specifically, one end of traction rope 20 is fixedly connected on take-up pulley 130.By rotating take-up pulley 130, make
Traction rope 20 is obtained gradually to be wrapped on take-up pulley 130, thus drive cable 30 mobile, to realize the laying of cable 30,
It is understood that the length of traction rope 20 need to be greater than in order to drive the laying of cable 30 to preset position
The length of cable 30.
In the present embodiment, can by the way that take-up bracket 131 is fixed on ground or other suitable positions, thus
In the laid processes of cable 30, it is not necessarily to removal cable laying apparatus 100, that is, avoids the inconvenience of laying channel and equipment of cable 30
Mobile cumbersome problem.
In other feasible embodiment, the first supporting element, the second supporting element, and/or third supporting element be equipped with to
The block piece that traction rope radially slides is prevented, that is, traction rope is avoided just to slip from traction rope moving conduit.
Above-mentioned cable laying equipment is led when traction rope passes through traction rope moving conduit using pressure acquisition unit monitoring
Messenger acts on the pressure on third supporting element, can be converted the drawing of traction rope according to the pressure acted on third supporting element
Power can test the pulling force of traction rope it is not necessary that pulling force acquisition unit is sealed in traction rope also.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of cable laying equipment, which is characterized in that including device for testing tensile force；
The device for testing tensile force includes:
Bracket；
First supporting element is set on the bracket；
Second supporting element is set on the bracket；
Third supporting element is set on the bracket；First supporting element, second supporting element and the third supporting element
Gap forms traction rope moving conduit, and first supporting element and second supporting element are located at the traction rope moving conduit
First side, the third supporting element are located at second side of the traction rope moving conduit, and first side and described second side are
The opposite two sides of the traction rope moving conduit；First supporting element, the third supporting element and second supporting element,
Successively to be abutted with traction rope when traction rope passes through the traction rope moving conduit；The traction rope moving conduit is in non-straight
It is linear；
Pressure acquisition unit is set on the bracket, the pressure acted on the third supporting element for monitoring traction rope；With
And
Message processing module judges to receive the monitoring result of the pressure acquisition unit according to the monitoring information received
Whether the pulling force of traction rope reaches the pulling force threshold value of traction rope, and police is issued when the pulling force of traction rope meets or exceeds threshold value
Report.
2. cable laying equipment according to claim 1, which is characterized in that first supporting element, second support
Part and/or the third supporting element are pulley, first supporting element, second supporting element and/or the third supporting element
The gap of annular outer surface form the traction rope moving conduit.
3. cable laying equipment according to claim 2, which is characterized in that first supporting element, second support
The annular outer surface of part and/or the third supporting element is equipped with annular groove.
4. cable laying equipment according to claim 3, which is characterized in that the cell wall of the annular groove is equipped with to increase and slide
Layer.
5. according to the described in any item cable laying equipments of claim 2 to 4, which is characterized in that first supporting element, described
Second supporting element and the third supporting element are horizontally disposed, and first supporting element and second supporting element are located at the traction
The upside of rope moving conduit, the third supporting element are located at the downside of the traction rope moving conduit.
6. cable laying equipment according to claim 5, which is characterized in that second side of the traction rope moving conduit is set
There are the first auxiliary supports and the second auxiliary supports；First auxiliary supports, first supporting element, the third branch
Support member, second supporting element and second auxiliary supports, to when traction rope passes through the traction rope moving conduit
Successively abutted with traction rope.
7. according to claim 1 to 2 described in any item cable laying equipments, which is characterized in that first supporting element, described
Second supporting element, and/or the third supporting element are equipped with the block piece to prevent traction rope from radially sliding.
8. cable laying equipment according to any one of claims 1 to 4, which is characterized in that further include several supports, institute
Stating support includes pedestal and the 4th supporting element to support cable or traction rope disengaging ground on the pedestal.
9. cable laying equipment according to claim 8, which is characterized in that the 4th supporting element is pulley, described the
The annular outer surface of four supporting elements is to support cable or traction rope.
10. cable laying equipment according to any one of claims 1 to 4, which is characterized in that further include take-up bracket and
The take-up pulley being rotatably set on the take-up bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910094973.9A CN109830918B (en) | 2019-01-31 | 2019-01-31 | Cable laying equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910094973.9A CN109830918B (en) | 2019-01-31 | 2019-01-31 | Cable laying equipment |
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| CN109830918A true CN109830918A (en) | 2019-05-31 |
| CN109830918B CN109830918B (en) | 2024-03-22 |
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| CN201910094973.9A Active CN109830918B (en) | 2019-01-31 | 2019-01-31 | Cable laying equipment |
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| CN108414130A (en) * | 2018-05-16 | 2018-08-17 | 广东电网有限责任公司 | Force measuring device is drawn in cable laying |
| CN209516477U (en) * | 2019-01-31 | 2019-10-18 | 广州供电局有限公司 | Cable laying equipment |
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| CN109830918B (en) | 2024-03-22 |
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