CN202358765U - Hydraulically driven cable coiling device - Google Patents
Hydraulically driven cable coiling device Download PDFInfo
- Publication number
- CN202358765U CN202358765U CN 201120489515 CN201120489515U CN202358765U CN 202358765 U CN202358765 U CN 202358765U CN 201120489515 CN201120489515 CN 201120489515 CN 201120489515 U CN201120489515 U CN 201120489515U CN 202358765 U CN202358765 U CN 202358765U
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Abstract
The utility model relates to a hydraulically driven cable coiling device which is capable of effectively realizing the braking of cable drums and improving the reliability of equipment operation. The hydraulically driven cable coiling device provided by the utility model comprises a hydraulic motor, a rotation shaft, a cable drum, a cable winching bracket, a line concentration slip ring box component, a slip ring seat and a brake; the brake comprises a spring component, a power component, a braking component and a support; the support is fixedly arranged on the cable winching bracket; the rotation shaft rotatably penetrates through the support; the left end of the spring component is arranged on the support while the right end of the spring component is connected with the braking component; both the braking component and the power component are arranged on the support; the spring component is used for driving the braking component to be pressed at the left end of a connecting disc and capable of causing the connecting disc to stop rotating; and the power component is capable of driving the braking component to be separated from the connecting disc.
Description
Technical field
The utility model relates to a kind of capstan winch, particularly relates to a kind of hydraulically powered coil of cable line apparatus.
Background technology
Cable winder is the important component part of underground diaphragm wall device.Common cable winder has hysteresis cable winder and liquid to drive the formula cable winder at present, and the complex structure of hysteresis cable winder is bulky, influence the observation sight line of operator, and fault rate is higher; Chinese patent CN201077725Y discloses a kind of fluid power and has driven cable drum, comprises the HM Hydraulic Motor, cable drum and the integrated bundle assembly that are positioned on the same axle, and the two ends of axle are by bearing support; The hydraulic control system of HM Hydraulic Motor comprises by motor-driven oil pump, fuel tank, control cock and HM Hydraulic Motor; The HM Hydraulic Motor two ends are provided with bypass control, in the place ahead of two bypass controls a balance cock are set respectively, but the driving of this device, driving system all are arranged on the cable drum outside; Cause the space availability ratio of cable winder low; And this device be through balance cock cut off HM Hydraulic Motor into and out of oil circuit, realize the braking of cable drum, if surge power system closing or fault occurred in this case; Because the sealing problem that hydraulic efficiency pressure system exists; Cable drum may slip car and cause random line, and the site operation personnel just need carry out manual take-up even will coil line again, have increased the plant maintenance difficulty.
The utility model content
The technical matters that the utility model will solve provides a kind of liquid drive cable coiling apparatus, can actv. realizes the braking of cable drum, improves the reliability of operation of equipment.
A kind of liquid drive cable of the utility model coiling apparatus comprises HM Hydraulic Motor, rotating shaft, cable drum, cable elevator support, line concentration slip ring box assembly and slip ring seat, and HM Hydraulic Motor is fixedly mounted on the left end of cable elevator support; Hydraulic motor output shaft and rotating shaft are in transmission connection, and the right-hand member of rotating shaft is captiveed joint with terminal pad, and the outer circumference surface of terminal pad is captiveed joint with the inner peripheral surface of cable drum; Be fixedly connected with the slip ring seat on the right side of terminal pad, line concentration slip ring box assembly is installed on the slip ring seat, and this device also comprises drg; Drg comprises spring assembly, Power Component, brake assemblies and bearing, and bearing is fixedly mounted on the cable elevator support, and the left end of spring assembly is installed on the bearing; The right-hand member of spring assembly is connected with brake assemblies, and brake assemblies and Power Component are installed on the bearing, when the cable drum glancing impact; Spring assembly provides elastic force to the right; Brake assemblies is engaged with the left end of terminal pad, and when cable drum rotated, Power Component provided pressure left; Overcome the elastic force of spring assembly, brake assemblies and terminal pad are broken away from.
Preferably, said cable drum is positioned at cable elevator support, and rotating shaft and drg all are positioned at cable drum.Through rotating shaft and drg all are arranged in the cable drum, cable drum is arranged in the cable elevator support, can effectively utilize the design space, and the cable slip ring has been played the Anti-bumping protection effect.
Preferably; Wherein said bearing comprises a seat board, pipe shape bearing body, left side braking valve plate and right braking valve plate, and a seat board is positioned at the left end of bearing, and pipe shape bearing body is fixedly mounted on the right side of a seat board; Braking valve plate in a left side all is sleeved on the bearing body with right braking valve plate regularly; Be installed with brake plate on the left side of terminal pad, brake assemblies comprises at least two brake push rods, and spring assembly comprises at least two springs; The left end of every brake push rod contacts with a spring right-hand member; The right-hand member and the brake plate of every brake push rod are relative, and the left side braking valve plate that is installed in of every brake push rod slip is braked on the valve plate with right, and the left end of every spring is fixedly mounted on the right side of a seat board.
A kind of liquid drive cable of the utility model coiling apparatus; Wherein said Power Component comprises braking push pedal and at least one hydraulic actuating cylinder; The left end of braking push pedal is connected with the right-hand member of every spring, and the right-hand member of braking push pedal is captiveed joint with every brake push rod, and the hydraulic actuating cylinder tail end is fixedly mounted on the right side braking valve plate of bearing; The left side braking valve plate of bearing is passed in the front portion of hydraulic cylinder body; And be fixed on the left side braking valve plate, the front end of the piston rod of hydraulic actuating cylinder is pressed in the right side of braking push pedal, and brake push rod slides passes left and right braking valve plate.
A kind of liquid drive cable of the utility model coiling apparatus; Wherein said Power Component comprises braking push pedal and at least one linear electric motors; The left end of braking push pedal is connected with the right-hand member of every spring, and the right-hand member of braking push pedal is captiveed joint with every brake push rod left end, and the linear electric motors tail end is fixedly mounted on the right side braking valve plate of bearing; The left side braking valve plate of bearing is passed in the front portion of linear electric motors; And be fixed on the left side braking valve plate, the front end of the output shaft of linear electric motors is pressed in the right side of braking push pedal, and brake push rod slides passes left and right braking valve plate.
Preferably, the junction of wherein said braking push pedal and hydraulic actuating cylinder or linear electric motors is pressed and is equipped with a groove, and the front end of the piston rod front end of hydraulic actuating cylinder or the output shaft of linear electric motors is positioned at groove.Through groove being set in the push pedal, can sufficient installing space be provided for hydraulic actuating cylinder or linear electric motors in braking.
Preferably, the left end of wherein said every spring is installed on the seat board through a spring perch, and spring perch is the pipe shape, and the left end of spring perch is fixedly mounted on the right side of a seat board, and the left end of spring is installed in the hole of spring perch.
Preferably; Wherein said each spring perch all is equipped with a precompressed compression regulating mechanism, and each precompressed compression regulating mechanism includes screw mandrel and jacking block, and screw mandrel is installed in the tapped bore of a seat board; The right-hand member of screw mandrel is captiveed joint with jacking block; The left end of screw mandrel is positioned at the left side of a seat board, and jacking block is positioned at the hole of spring perch, and the left end of spring is pressed on the right side of jacking block.
Preferably; Wherein said left side braking valve plate is parallel to each other with right braking valve plate; Brake push rod is four, the axis of every brake push rod all with the parallel axes of rotating shaft, and four brake push rods precedingly going up of passing left side braking valve plate respectively, preceding down, on the back, after upper/lower positions.
A kind of liquid drive cable of the utility model coiling apparatus; Wherein said Power Component comprises braking push pedal and electromagnet; The left end of braking push pedal is connected with the right-hand member of spring; The right-hand member of braking push pedal is captiveed joint with the brake push rod left end, and electromagnet is fixedly mounted on the right side of a seat board, and electromagnet armature is fixedly mounted on the left side of braking push pedal.
A kind of liquid drive cable of the utility model coiling apparatus difference from prior art is a kind of liquid drive cable of the utility model coiling apparatus when work, and the fluid motor-driven cable drum rotates, and this moment, spring assembly drive brake assembly moved to the left end of terminal pad; Power Component reverse drive brake assemblies is away from terminal pad simultaneously; In this state, brake assemblies does not contact with terminal pad, the cable drum normal rotation; When the needs glancing impact; Power Component quits work, and spring assembly drive brake assembly is pressed in the left end of terminal pad, realizes the braking of terminal pad through the friction of brake assemblies and terminal pad; Brake assemblies carries out mechanical braking to cable drum, has improved the reliability of operation of equipment.
Below in conjunction with accompanying drawing the utility model is described further.
Description of drawings
Fig. 1 is the front view of a kind of liquid drive cable of the utility model coiling apparatus;
Fig. 2 is along the section-drawing of C-C direction among Fig. 1;
Fig. 3 is the bearing of drg in a kind of liquid drive cable of the utility model coiling apparatus and the block diagram of cable elevator support.
The specific embodiment
Embodiment 1
As shown in Figure 1; A kind of liquid drive cable of the utility model coiling apparatus comprises HM Hydraulic Motor 1, rotating shaft 2, cable drum 3, cable elevator support 4, line concentration slip ring box assembly 5, slip ring seat 6 and drg 8; HM Hydraulic Motor 1 is fixedly mounted on the left end of cable elevator support 4; The output shaft of HM Hydraulic Motor 1 and rotating shaft 2 are in transmission connection, and the right-hand member of rotating shaft 2 is captiveed joint with terminal pad 7, and the outer circumference surface of terminal pad 7 is captiveed joint with the inner peripheral surface of cable drum 3; Be screwed on the right side of terminal pad 7 and be connected with slip ring seat 6; Line concentration slip ring box assembly 5 is installed on the slip ring seat 6, and cable drum 3 is positioned at cable elevator support 4, and rotating shaft 2 all is positioned at cable drum 3 with drg 8.
In conjunction with Fig. 2, shown in Figure 3; Drg 8 comprises spring assembly 9; Power Component 10, brake assemblies 11 and bearing 12, a seat board 26 of the left end of bearing 12 is fixedly mounted on the left end of cable elevator support 4, and the pipe shape bearing body 27 of bearing 12 is sleeved in the rotating shaft 2 through antifriction-bearing box; The left side braking valve plate 19 of bearing 12 all is sleeved on the bearing body 27 with right braking valve plate 18 regularly, and left side braking valve plate 19 is parallel to each other with right braking valve plate 18.
Spring assembly 9 comprises four springs 15, and brake assemblies 11 comprises four brake push rods 14, and the left end of every spring 15 is installed on the bearing 12 through a spring perch 22; Spring perch 22 is the pipe shape, and the left end of spring perch 22 is welded on the right side of propping up seat board 26 of bearing 12, and four springs 15 are precompressed and install; At each spring perch 22 a precompressed compression regulating mechanism 23 is installed all; Each precompressed compression regulating mechanism 23 includes screw mandrel 24 and jacking block 25, on a seat board 26, offers four tapped bore, and every rhizoid bar 24 is installed in the tapped bore of a seat board 26; The right-hand member of every rhizoid bar 24 and jacking block 25 welding; The left end of screw mandrel 24 is positioned at the left side of a seat board 26, and jacking block 25 is positioned at the hole of spring perch 22, and the left end of spring 15 is pressed on the right side of jacking block 25.
Brake assemblies 11 comprises four brake push rods 14, and Power Component 10 comprises braking push pedal 16 and two hydraulic actuating cylinders 17.The axis of every brake push rod 14 all with the parallel axes of rotating shaft 2, and four brake push rods 14 precedingly going up of passing left side braking valve plate 19 and right braking valve plate 18 respectively successively slidably, preceding down, back goes up, after under the mounting hole 30 of corner location.Braking push pedal 16 is sleeved on the bearing body 27 slidably, is suppressed with rectangular recess 21 in the braking push pedal 16, makes the arch that is shaped as of braking push pedal 16.The right-hand member of four springs 15 all is pressed on the left side of braking push pedal 16, and the left end of four brake push rods 14 is pressed on the right side of braking push pedal 16, and the axis of four springs 15 respectively with the dead in line of four brake push rods 14.Two hydraulic actuating cylinders 17 lay respectively at the both sides, front and back of bearing body 27; Each hydraulic actuating cylinder 17 tail end all is fixedly mounted on the right side braking valve plate 18 of bearing 12; The front portion of each hydraulic actuating cylinder 17 cylinder body is passed the left side braking valve plate 19 of bearing 12 regularly, and the front end of the piston rod 20 of each hydraulic actuating cylinder 17 is pressed in the groove 21 of braking push pedal 16.The right-hand member that is installed with 13, four brake push rods 14 of brake plate on the left side of terminal pad 7 all is pressed on the brake plate 13.Hydraulic actuating cylinder in the present embodiment uses but the effect plunger case.
The cable drum 3 of the utility model is when braking mode; Drg 8 relies on the restoring force of spring 15 to be applied on the brake plate 13 with brake push rod 14 through braking push pedal 16; Hydraulic efficiency pressure system is pressed hydraulic actuating cylinder 17 drainings simultaneously; Its piston rod is also freely withdrawn under the restoring force effect of spring 15, and the friction force that on brake plate 13, produces thus is to 3 brake actions of cable drum; Cable drum 3 is in working order the time, and hydraulic efficiency pressure system is given oil pressure to hydraulic actuating cylinder 17, and its piston rod stretches out, through braking push pedal 16 compression springs 15, braking push pedal 16 drive brake push rods 14 to left movement away from brake plate 13, reach the moving effect of counter; The precompressed compression of spring 15 can be adjusted to needed force value through the precompressed compression regulating mechanism 23 that in spring perch 22, is provided with.
Embodiment 2:
The difference of present embodiment and embodiment 1 only is to use two linear electric motors to replace the hydraulic actuating cylinder among the embodiment 1.Two linear electric motors are positioned at the both sides, front and back of bearing body respectively; Each linear electric motors tail end all is fixedly mounted on the right side braking valve plate of bearing; The front portion of each linear electric motors is passed the left side braking valve plate of bearing regularly, and the front end of the output shaft of each linear electric motors is pressed in the groove of braking push pedal.
Embodiment 3:
Present embodiment and embodiment 1 different only are in using electromagnet to replace the hydraulic actuating cylinder among the embodiment 1, and electromagnet is fixedly mounted on the right side of a seat board of left end of bearing, and electromagnet armature is fixedly mounted on the left side of braking push pedal.When cable drum during in braking mode; Drg relies on the restoring force of spring to be applied on the brake plate through braking push pedal and brake push rod; This moment the electromagnet no power, electromagnet armature is in the state of not stressing, the friction force that produces on the brake plate plays brake action to cable drum; When cable drum is worked, electromagnet energising work, electromagnet armature is stressed, drives braking push pedal compression spring, and braking push pedal drive brake push rod away from brake plate, reaches the moving effect of counter to left movement.
Above-described embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that those of ordinary skills make the technical scheme of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (10)
1. a liquid drive cable coiling apparatus comprises HM Hydraulic Motor (1), rotating shaft (2), cable drum (3), cable elevator support (4), line concentration slip ring box assembly (5) and slip ring seat (6), and said HM Hydraulic Motor (1) is fixedly mounted on the left end of cable elevator support (4); The output shaft of said HM Hydraulic Motor (1) and rotating shaft (2) are in transmission connection; The right-hand member of rotating shaft (2) is captiveed joint with terminal pad (7), and the outer circumference surface of said terminal pad (7) is captiveed joint with the inner peripheral surface of cable drum (3), is fixedly connected with slip ring seat (6) on the right side of said terminal pad (7); Said line concentration slip ring box assembly (5) is installed on the slip ring seat (6); It is characterized in that: also comprise drg (8), said drg (8) comprises spring assembly (9), Power Component (10), brake assemblies (11) and bearing (12), and said bearing (12) is fixedly mounted on the cable elevator support (4); The left end of said spring assembly (9) is installed on the bearing (12); The right-hand member of spring assembly (9) is connected with brake assemblies (11), and said brake assemblies (11) and Power Component (10) are installed on the said bearing (12), when cable drum (3) glancing impact; Said spring assembly (9) provides elastic force to the right; Brake assemblies (11) is engaged with the left end of terminal pad (7), and when cable drum (3) rotated, said Power Component provided pressure left; Overcome the elastic force of spring assembly (9), brake assemblies (11) and terminal pad (7) are broken away from.
2. a kind of liquid drive cable coiling apparatus according to claim 1, it is characterized in that: said cable drum (3) is positioned at cable elevator support (4), and said rotating shaft (2) and drg (8) all are positioned at cable drum (3).
3. a kind of liquid drive cable coiling apparatus according to claim 2; It is characterized in that: said bearing (12) comprises a seat board (26), pipe shape bearing body (27), left side braking valve plate (19) and right braking valve plate (18); Said seat board (26) is positioned at the left end of bearing (12); Pipe shape bearing body (27) is fixedly mounted on the right side of a seat board (26); Left side braking valve plate (19) and right braking valve plate (18) all are sleeved on the bearing body (27) regularly; Be installed with brake plate (13) on the left side of said terminal pad (7), said brake assemblies (11) comprises at least two brake push rods (14), and said spring assembly (9) comprises at least two springs (15); The left end of said every brake push rod (14) contacts with the right-hand member of a spring (15); The right-hand member of every brake push rod (14) and brake plate (13) are relative, and what said every brake push rod (14) slided is installed on said left side braking valve plate (19) and the right braking valve plate (18), and the left end of said every spring (15) is fixedly mounted on the right side of said seat board (26).
4. a kind of liquid drive cable coiling apparatus according to claim 3; It is characterized in that: said Power Component (10) comprises braking push pedal (16) and at least one hydraulic actuating cylinder (17); The left end of said braking push pedal (16) is connected with the right-hand member of every spring (15); The right-hand member of said braking push pedal (16) is captiveed joint with every brake push rod (14) left end; Said hydraulic actuating cylinder (17) tail end is fixedly mounted on the right side braking valve plate (18) of said bearing (12), and the left side braking valve plate (19) of bearing (12) is passed in the front portion of said hydraulic actuating cylinder (17) cylinder body, and is fixed on the left side braking valve plate (19); The front end of the piston rod (20) of said hydraulic actuating cylinder (17) is pressed in the right side of braking push pedal (16), and said brake push rod (14) slides passes left and right braking valve plate (18).
5. a kind of liquid drive cable coiling apparatus according to claim 3; It is characterized in that: said Power Component (10) comprises braking push pedal (16) and at least one linear electric motors; The left end of said braking push pedal (16) is connected with the right-hand member of every spring (15); The right-hand member of said braking push pedal (16) is captiveed joint with every brake push rod (14) left end; Said linear electric motors tail end is fixedly mounted on the right side braking valve plate (18) of said bearing (12), and the left side braking valve plate (19) of bearing (12) is passed in the front portion of said linear electric motors, and is fixed on the left side braking valve plate (19); The front end of the output shaft of said linear electric motors is pressed in the right side of braking push pedal (16), and said brake push rod (14) slides passes left and right braking valve plate (18).
6. according to claim 4 or 5 described a kind of liquid drive cable coiling apparatus; It is characterized in that: said braking push pedal (16) is pressed with the junction of hydraulic actuating cylinder (17) or linear electric motors and is equipped with a groove (21), and the front end of piston rod (20) front end of said hydraulic actuating cylinder (17) or the output shaft of linear electric motors is positioned at groove (21).
7. a kind of liquid drive cable coiling apparatus according to claim 6; It is characterized in that: the left end of said every spring (15) is installed on said the seat board (26) through a spring perch (22); Said spring perch (22) is the pipe shape; The left end of spring perch (22) is fixedly mounted on the right side of said seat board (26), and the left end of said spring (15) is installed in the hole of spring perch (22).
8. a kind of liquid drive cable coiling apparatus according to claim 7; It is characterized in that: said each spring perch (22) all is equipped with a precompressed compression regulating mechanism (23); Said each precompressed compression regulating mechanism (23) includes screw mandrel (24) and jacking block (25); Said screw mandrel (24) is installed in the tapped bore of said seat board (26), and the right-hand member of screw mandrel (24) is captiveed joint with jacking block (25), and the left end of screw mandrel (24) is positioned at the left side of said seat board (26); Said jacking block (25) is positioned at the hole of spring perch (22), and the left end of said spring (15) is pressed on the right side of jacking block (25).
9. a kind of liquid drive cable coiling apparatus according to claim 8; It is characterized in that: said left side braking valve plate (19) and right braking valve plate (18) are parallel to each other; Said brake push rod (14) is four; The axis of every brake push rod (14) all with the parallel axes of rotating shaft (2), and four brake push rods (14) precedingly going up of passing left side braking valve plate (19) respectively, preceding down, on the back, after upper/lower positions.
10. a kind of liquid drive cable coiling apparatus according to claim 3; It is characterized in that: said Power Component (10) comprises braking push pedal (16) and electromagnet; The left end of said braking push pedal (16) is connected with the right-hand member of spring (15); The right-hand member of said braking push pedal (16) is captiveed joint with brake push rod (14) left end, and said electromagnet is fixedly mounted on the right side of said seat board (26), and said electromagnet armature is fixedly mounted on the left side of braking push pedal (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120489515 CN202358765U (en) | 2011-11-30 | 2011-11-30 | Hydraulically driven cable coiling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120489515 CN202358765U (en) | 2011-11-30 | 2011-11-30 | Hydraulically driven cable coiling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202358765U true CN202358765U (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120489515 Expired - Fee Related CN202358765U (en) | 2011-11-30 | 2011-11-30 | Hydraulically driven cable coiling device |
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| Country | Link |
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| CN (1) | CN202358765U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414142A (en) * | 2013-08-29 | 2013-11-27 | 太原重工股份有限公司 | Large mining excavator and cable drum device thereof |
| CN104443082A (en) * | 2014-12-01 | 2015-03-25 | 衡阳合力工业车辆有限公司 | Tractor |
| CN104460674A (en) * | 2014-12-01 | 2015-03-25 | 衡阳合力工业车辆有限公司 | Motor tractor and driving control system thereof |
| CN107324162A (en) * | 2017-07-27 | 2017-11-07 | 湖南海润电气有限公司 | Air-pressure brake formula fluid coupling flexible pipe or cable drum |
| CN108278224A (en) * | 2017-03-15 | 2018-07-13 | 陈文星 | A kind of energy conversion device of environmental protection |
| CN110980409A (en) * | 2019-12-20 | 2020-04-10 | 何伟 | Power cable winding and unwinding devices that can non return |
| CN111646303A (en) * | 2020-06-10 | 2020-09-11 | 合肥昊昂信息科技服务有限公司 | Cable stretching device for power grid construction |
| CN111874726A (en) * | 2020-08-03 | 2020-11-03 | 岳西县长宁织绸有限责任公司 | Thread take-up device |
| CN111874749A (en) * | 2020-08-03 | 2020-11-03 | 岳西县长宁织绸有限责任公司 | Silk roller material feeding system |
| CN114249186A (en) * | 2021-12-12 | 2022-03-29 | 上海梅山钢铁股份有限公司 | Cable trolley for emergency heating of zinc pot |
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2011
- 2011-11-30 CN CN 201120489515 patent/CN202358765U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414142B (en) * | 2013-08-29 | 2016-01-13 | 太原重工股份有限公司 | Large-sized mining dredger and cable drum device thereof |
| CN103414142A (en) * | 2013-08-29 | 2013-11-27 | 太原重工股份有限公司 | Large mining excavator and cable drum device thereof |
| CN104460674B (en) * | 2014-12-01 | 2018-03-27 | 衡阳合力工业车辆有限公司 | A kind of tractor and its driving control system |
| CN104460674A (en) * | 2014-12-01 | 2015-03-25 | 衡阳合力工业车辆有限公司 | Motor tractor and driving control system thereof |
| CN104443082B (en) * | 2014-12-01 | 2017-10-03 | 衡阳合力工业车辆有限公司 | A kind of tractor |
| CN104443082A (en) * | 2014-12-01 | 2015-03-25 | 衡阳合力工业车辆有限公司 | Tractor |
| CN108278224A (en) * | 2017-03-15 | 2018-07-13 | 陈文星 | A kind of energy conversion device of environmental protection |
| CN107324162A (en) * | 2017-07-27 | 2017-11-07 | 湖南海润电气有限公司 | Air-pressure brake formula fluid coupling flexible pipe or cable drum |
| CN110980409A (en) * | 2019-12-20 | 2020-04-10 | 何伟 | Power cable winding and unwinding devices that can non return |
| CN111646303A (en) * | 2020-06-10 | 2020-09-11 | 合肥昊昂信息科技服务有限公司 | Cable stretching device for power grid construction |
| CN111646303B (en) * | 2020-06-10 | 2021-12-07 | 国网北京市电力公司 | Cable stretching device for power grid construction |
| CN111874726A (en) * | 2020-08-03 | 2020-11-03 | 岳西县长宁织绸有限责任公司 | Thread take-up device |
| CN111874749A (en) * | 2020-08-03 | 2020-11-03 | 岳西县长宁织绸有限责任公司 | Silk roller material feeding system |
| CN114249186A (en) * | 2021-12-12 | 2022-03-29 | 上海梅山钢铁股份有限公司 | Cable trolley for emergency heating of zinc pot |
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