CN113086748B - Hydraulic engineering construction pipe laying pay-off - Google Patents
Hydraulic engineering construction pipe laying pay-off Download PDFInfo
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- CN113086748B CN113086748B CN202110334267.4A CN202110334267A CN113086748B CN 113086748 B CN113086748 B CN 113086748B CN 202110334267 A CN202110334267 A CN 202110334267A CN 113086748 B CN113086748 B CN 113086748B
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- fixedly connected
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
Abstract
The invention discloses a hydraulic engineering construction pipe burying and paying-off device in the technical field of hydraulic engineering construction, which comprises two groups of supporting frames and a fixing plate, wherein the fixing plate is arranged between the two groups of supporting frames, four groups of supporting mechanisms are arranged on the fixing plate, each two groups of supporting mechanisms are arranged in a bilateral symmetry manner, two groups of side plates are arranged on the top end surface of the fixing plate in a bilateral symmetry manner, the two groups of side plates are fixedly connected with the fixing plate, two groups of sliding rods are fixedly connected between the two groups of side plates, sliding sleeves in sliding connection are sleeved on the outer wall of each group of sliding rods, a connecting block is fixedly connected between the two groups of sliding sleeves, a movably connected rotating plate is arranged on the top end surface of one group of sliding sleeves at the top end, and two groups of movably connected protective rollers are arranged on the rotating plate.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering construction, in particular to a pipe laying and paying-off device for hydraulic engineering construction.
Background
Hydraulic engineering is the surface water and the groundwater that are used for controlling and allotment nature, reach the earth's surface water and the groundwater of harmfully having a profit, reach the engineering of removing harm and making good for the purpose and building, also be called water engineering, water is the essential valuable resource of human production and life, but its state that exists naturally does not completely accord with human needs, and need use pay-off device to bury in hydraulic engineering's construction and put the pipeline, but current pay-off device lacks the mechanism spacing to the cable, lead to the phenomenon of crooked fold to appear in the cable in the unwrapping wire process easily, will influence subsequent pipe laying operation like this, and also be convenient for control the speed of being qualified for the next round of competitions to the cable, if the cable speed of being qualified for the next round of competitions is too fast, produce lax phenomenon easily, lead to the cable to pile up and knot, influence unwrapping work efficiency, the result of use is unsatisfactory.
Disclosure of Invention
The invention aims to provide a hydraulic engineering construction pipe laying and paying-off device to solve the problem that a pipeline is easy to bend in the hydraulic engineering construction process in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a hydraulic engineering construction pipe laying pay-off, includes two sets of support frames and fixed plate, the fixed plate sets up between two sets of support frames, and two sets of the equal fixedly connected with bottom plate of bottom face of support frame, fixedly connected with tripod between the top face of bottom plate and the support frame both sides terminal surface, every group the top face center fixedly connected with jack of bottom plate, every group the top face of jack is provided with the support column that can dismantle the connection through the bolt, the support column runs through the top of support frame to support frame, support column and support frame sliding connection, two sets of the equal fixedly connected with support sleeve of top face of support column, two sets of be provided with the movable rod that the bearing is connected between the support sleeve, bilateral symmetry is provided with swing joint's confinement ring on the movable rod, the outer wall cup joints and is provided with and places the cylinder, and two sets of fixedly connected with the guard plate between placing the cylinder, guard plate, place cylinder and movable rod swing joint, be provided with four sets of supporting mechanism on the fixed plate, every two sets of supporting mechanism bilateral symmetry sets of top face sets of fixed plate, two sets of curb plate and fixed plate and fixed plate fixedly connected with the rotor plate, two sets of slide sleeve, and movable rod connect the top face of movable rod.
Preferably, the supporting mechanism comprises a supporting screw rod, the supporting screw rod penetrates through the fixed plate to the position below the fixed plate, the supporting screw rod is in threaded connection with the fixed plate, a limiting plate is arranged on the bottom end face of each group of supporting screw rods, the limiting plates are fixedly connected with the supporting screw rods, anti-skidding pads are fixedly connected to the bottom end faces of the limiting plates, and a rotating handle is fixedly connected to the top end faces of the supporting screw rods.
Preferably, a fixing frame is arranged on the top end face of the sliding sleeve at the top end, the fixing frame is fixedly connected with the sliding sleeve, a rotating rod is arranged on the fixing frame, the rotating rod penetrates through the surface of the sliding sleeve from the fixing frame to the sliding sleeve, rotating rings are arranged at the upper end and the lower end of the middle portion of the fixing frame, the rotating rings are sleeved on the outer wall of the rotating rod, the two groups of rotating rings are fixedly connected with the rotating rod, movably connected balls are arranged on the bottom end face of the rotating rod, the balls are not connected with the surface of the sliding sleeve in a contact mode, and the top end face of the rotating rod is fixedly connected with the rotating plate.
Preferably, the top end face of the rotating plate is fixedly connected with two groups of adjusting screws in a bilateral symmetry manner, the outer wall of each group of adjusting screws is sleeved with two groups of threaded sleeves, the threaded sleeves are in threaded connection with the adjusting screws, the outer wall of each group of threaded sleeves is sleeved with a movable sleeve connected with a bearing, the two groups of protective drums are respectively installed between the two groups of movable sleeves in the horizontal direction, and the top end faces of the two groups of adjusting screws are fixedly connected with the anti-falling plate.
Preferably, every group the equal fixedly connected with fixed block of movable sleeve's side, every group the equal fixedly connected with mounting panel of movable sleeve's a terminal surface is kept away from to the fixed block, the one end fixedly connected with box of fixed block is kept away from to the mounting panel, and is two sets of protective drum installs respectively between two sets of boxes of horizontal direction.
Preferably, the inner cavities of the box bodies on the left side are provided with motors, the motors are fixedly connected with the box bodies, transmission rods in transmission connection are arranged between the box bodies, the protective roller bearings are connected to the outer walls of the transmission rods, and the motors are in transmission connection with the transmission rods.
Preferably, the solid layer is wrapped with a hard rubber layer, the hard rubber layer is fixedly connected with the solid layer, the hard rubber layer is wrapped with a soft rubber layer, and the surface of the soft rubber layer is provided with corrugations.
Compared with the prior art, the invention has the beneficial effects that:
1. through the cooperation between the jack that sets up and the support column, can effectually carry out the lifting when twining to the pipeline of different specifications, can make things convenient for the cable to carry out the unwrapping wire work then, and the cooperation between the confinement ring that sets up and the movable rod can effectually prevent that the movable rod from droing when carrying out the unwrapping wire.
2. The cooperation between the slide bar that sets up on the fixed plate, the slip sleeve can effectual convenience drive the rotor plate and control and slide, when carrying out the unwrapping wire, can effectually let the rotor plate remove along with the unwrapping wire direction, then can effectually conveniently carry out the unwrapping wire work.
3. Two sets of protective roller that set up can effectually wrap up to the cable, then can effectually prevent that the crooked fold phenomenon from appearing in the cable when carrying out the unwrapping wire, and can also conveniently adjust the speed of unwrapping wire through protective roller, then can make things convenient for the staff to carry out the work of burying the line, improved the convenience of construction greatly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a sliding sleeve connection according to the present invention;
FIG. 3 is a schematic view of the adjusting screw connection of the present invention;
FIG. 4 is a schematic view of the protective roller structure of the present invention;
fig. 5 is an enlarged view of the invention at a in fig. 2.
In the figure: 1. a base plate; 2. a tripod; 3. a jack; 4. a support column; 5. a support frame; 6. a confinement ring; 7. a movable rod; 8. a support sleeve; 9. a protection plate; 10. placing a roller; 11. a support screw; 12. a fixing plate; 13. a slide bar; 14. a non-slip mat; 15. a limiting plate; 16. a sliding sleeve; 17. connecting blocks; 18. rotating the handle; 19. a side plate; 20. a rotating plate; 21. an active cannula; 22. adjusting the screw rod; 23. a threaded bushing; 24. an anti-drop plate; 25. a protective drum; 251. a soft rubber layer; 252. a hard rubber layer; 253. a solid layer; 26. a motor; 27. a box body; 28. mounting a plate; 29. a fixed block; 30. a fixed mount; 31. a rotating ring; 32. rotating the rod; 33. and a ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1:
referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a hydraulic engineering construction pipe laying pay-off, please refer to fig. 1, includes two sets of support frames 5 and fixed plate 12, and fixed plate 12 sets up between two sets of support frames 5, and the equal fixedly connected with bottom plate 1 of bottom end face of two sets of support frames 5, and fixedly connected with tripod 2 between the top face of bottom plate 1 and the 5 side end faces of support frame, can effectual increase support frame 5's support ability through tripod 2, then can effectual improvement holistic stability.
Please refer to fig. 1, top face center fixedly connected with jack 3 of every group bottom plate 1, the top face of every group jack 3 is provided with can dismantle the support column 4 of connection through the bolt, support column 4 runs through support frame 5 to support frame 5's top, support column 4 and support frame 5 sliding connection, the equal fixedly connected with support sleeve 8 of top face of two sets of support columns 4, the lift condition of support column 4 can be adjusted then through the length of adjusting jack 3, then can make things convenient for support sleeve 8 to carry out lift adjustment.
Referring to fig. 1, a movable rod 7 connected by a bearing is arranged between two sets of support sleeves 8, and limiting rings 6 movably connected are symmetrically arranged on the movable rod 7 in the left-right direction, so that the movable rod 7 can be effectively prevented from being separated from the two sets of support sleeves 8 by the limiting rings 6, and the overall stability can be effectively improved.
Referring to fig. 1, the outer wall of the movable rod 7 is sleeved with placing rollers 10, a protection plate 9 is fixedly connected between the two groups of placing rollers 10, the protection plate 9, the placing rollers 10 are movably connected with the movable rod 7, and cables are conveniently wound by placing the rollers 10.
Referring to fig. 1, four sets of support mechanisms are disposed on the fixing plate 12, and each two sets of support mechanisms are disposed symmetrically left and right, so that the fixing plate 12 can be effectively supported by the limiting mechanism, and the fixing plate can be conveniently adapted to different terrains.
Please refer to fig. 1 and 2, the top end face of the fixing plate 12 is provided with two sets of side plates 19 in bilateral symmetry, the two sets of side plates 19 are fixedly connected with the fixing plate 12, two sets of sliding rods 13 are fixedly connected between the two sets of side plates 19, the outer wall of each set of sliding rods 13 is sleeved with a sliding sleeve 16 provided with a sliding connection, a connecting block 17 is fixedly connected between the two sets of sliding sleeves 16, the top end face of one set of sliding sleeve 16 at the top end is provided with a rotating plate 20 of a movable connection, the rotating plate 20 is provided with two sets of movable connection protective rollers 25, in the paying-off process, the cable can be limited by the protective rollers 25, then the cable can be prevented from being bent and wrinkled when paying off, and through the sliding rods 13 and the cooperation between the sliding sleeves 16, the position of the rotating plate 20 can be effectively and conveniently adjusted, then the position of the protective rollers 25 can be conveniently adjusted, when the cable is shifted, the timely adjustment can be effectively performed, and the paying off work can be conveniently performed.
Referring to fig. 2, the supporting mechanism includes supporting screws 11, the supporting screws 11 penetrate through the fixed plate 12 to the lower side of the fixed plate 12, the supporting screws 11 are in threaded connection with the fixed plate 12, the bottom end face of each group of supporting screws 11 is provided with a limiting plate 15, the limiting plates 15 are fixedly connected with the supporting screws 11, the bottom end faces of the limiting plates 15 are fixedly connected with anti-slip pads 14, the top end faces of the supporting screws 11 are fixedly connected with rotating handles 18, the supporting screws 11 can be driven to rotate through the rotating handles 18, the limiting plates 15 and the anti-slip pads 14 can be driven to descend to be in contact with the ground, the fixed plate 12 can be effectively supported, and the four groups of supporting screws 11 can be effectively and conveniently adapted to the uneven ground, so that the fixed plate 12 can be conveniently adjusted to be in a state close to the horizontal state.
Referring to fig. 2 and 5, a fixing frame 30 is disposed on a top end surface of the group of sliding sleeves 16 on the top end, the fixing frame 30 is fixedly connected with the sliding sleeves 16, a rotating rod 32 is disposed on the fixing frame 30, the rotating rod 32 penetrates through the fixing frame 30 to the surface of the sliding sleeves 16, rotating rings 31 are disposed on upper and lower ends of a middle portion of the fixing frame 30, the rotating rings 31 are sleeved on outer walls of the rotating rods 32, the two groups of rotating rings 31 are fixedly connected with the rotating rods 32, balls 33 movably connected are disposed on a bottom end surface of the rotating rods 32, the balls 33 are not connected with the surface of the sliding sleeves 16 in a contact manner, the top end surface of the rotating rods 32 is fixedly connected with the rotating plate 20, and by means of cooperation of the rotating rings 31 and the rotating rods 32, the rotating plate 20 can be effectively and conveniently rotated, and then, when paying-off is carried out, paying-off work can be effectively and conveniently carried out.
Please refer to fig. 2 and fig. 3, two sets of adjusting screw rods 22 of the top end face bilateral symmetry fixedly connected with of the rotating plate 20, the outer wall of each set of adjusting screw rod 22 is provided with two sets of threaded sleeves 23 in a sleeved mode, and the threaded sleeves 23 are in threaded connection with the adjusting screw rods 22, the outer wall of each set of threaded sleeves 23 is provided with movable sleeves 21 connected by bearings in a sleeved mode, two sets of protective rollers 25 are respectively installed between the two sets of movable sleeves 21 in the horizontal direction, the top end faces of the two sets of adjusting screw rods 22 are provided with anti-dropping plates 24 in a fixedly connected mode, the movable sleeves 21 can be effectively driven to go up and down through the threaded sleeves 23, then the protective rollers 25 can be effectively driven to go up and down, when cables with different diameters are aimed at, effective adjustment can be carried out.
Please refer to fig. 2 and fig. 3, the side end of each movable sleeve 21 is fixedly connected with a fixing block 29, the end surface of each fixing block 29 away from the movable sleeve 21 is fixedly connected with a mounting plate 28, the mounting plate 28 is away from one end of the fixed block 29 and is fixedly connected with a box body 27, the two sets of protective rollers 25 are respectively installed between the two sets of box bodies 27 in the horizontal direction, the cable can be effectively limited in the middle by the two sets of protective rollers 25, and then, when the cable is paid off, the cable can be effectively limited, and the phenomenon of bending and folding can be effectively prevented.
Please refer to fig. 2 and fig. 3, the inner cavities of the two sets of boxes 27 on the left side are provided with motors 26, the motors 26 are fixedly connected with the boxes 27, transmission rods connected in a transmission manner are arranged between the two sets of boxes 27, the protective roller 25 is connected to the outer wall of the transmission rods in a bearing manner, the motors 26 are connected with the transmission rods in a transmission manner, the transmission rods can be effectively driven to rotate through the motors 26, then, when the wire is paid off, the wire paying-off speed can be effectively adjusted, and then, loose and tight phenomena of the cable can be prevented.
Example 2:
as shown in fig. 4, different from the previous embodiment 1, the solid layer 253 is externally wrapped with a hard rubber layer 252, the hard rubber layer 252 is fixedly connected with the solid layer 253, the hard rubber layer 252 is externally wrapped with a soft rubber layer 251 fixedly connected with the hard rubber layer 252, and the surface of the soft rubber layer 251 is provided with corrugations.
Wherein the content of the first and second substances,
the working principle is as follows: install placing the cylinder 10 that will twine the cable when using between two sets of support sleeve 8, later carry out altitude mixture control through jack 3, later place fixed plate 12 in the front below of placing roll 10, later can drive supporting screw 11 through rotatory handle 18 and rotate, then can drive limiting plate 15, slipmat 14 descends and contacts with ground, then can effectually support fixed plate 12, and through adjusting four sets of supporting screw 11, can effectually conveniently adapt to unevenness's ground, then can make things convenient for fixed plate 12 to adjust to one and be close the horizontal state, later place the cable on a set of protective drum 25 in bottom, later drive movable sleeve 21 through rotating a set of threaded sleeve 23 in top and descend, then drive a set of protective drum 25 in top and descend, then can restrict to the upper and lower end of cable, when carrying out the unwrapping wire, motor 26 drives the transfer line and rotates, then drive protective drum 25 and roll, then can carry the cable forward, can effectual convenient unwrapping wire, also can prevent the crooked fold phenomenon from appearing simultaneously, and can adjust the speed of unwrapping wire with motor 26, then can adjust the lax or tight phenomenon of cable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a hydraulic engineering construction pipe laying pay-off, includes two sets of support frames (5) and fixed plate (12), its characterized in that: the fixed plate (12) is arranged between two groups of supporting frames (5), the bottom end surfaces of the two groups of supporting frames (5) are fixedly connected with a bottom plate (1), a tripod (2) is fixedly connected between the top end surface of the bottom plate (1) and the end surfaces of the two sides of the supporting frames (5), a jack (3) is fixedly connected with the center of the top end surface of the bottom plate (1), a supporting column (4) detachably connected through a bolt is arranged on the top end surface of the jack (3), the supporting column (4) penetrates through the supporting frames (5) to the upper side of the supporting frames (5), the supporting column (4) is in sliding connection with the supporting frames (5), supporting sleeves (8) are fixedly connected with the top end surfaces of the two groups of supporting columns (4), a movable rod (7) connected with a bearing is arranged between the two groups of supporting sleeves (8), movably connected limiting rings (6) are symmetrically arranged on the movable rod (7), a placing roller (10) is sleeved on the outer wall of the movable rod (7), a protecting plate (9) is fixedly connected between the placing rollers (10), four groups of movable rods (7) are movably connected, a left and right side plate mechanism is arranged on the four groups of supporting plates (12), and a left and right side plate mechanism is arranged on the two groups of supporting mechanisms (19), the two groups of side plates (19) are fixedly connected with the fixed plate (12), two groups of sliding rods (13) are fixedly connected between the two groups of side plates (19), sliding sleeves (16) which are connected in a sliding mode are sleeved on the outer wall of each group of sliding rods (13), connecting blocks (17) are fixedly connected between the two groups of sliding sleeves (16), a rotating plate (20) which is movably connected is arranged on the top end face of one group of sliding sleeves (16) at the top end, and two groups of movably connected protective rollers (25) are arranged on the rotating plate (20).
2. The hydraulic engineering construction pipe laying and paying-off device according to claim 1, wherein: the supporting mechanism comprises a supporting screw rod (11), the supporting screw rod (11) penetrates through the fixing plate (12) to the position below the fixing plate (12), the supporting screw rod (11) is in threaded connection with the fixing plate (12), each group of supporting screw rods (11) is provided with a limiting plate (15), the limiting plates (15) are fixedly connected with the supporting screw rod (11), the bottom end faces of the limiting plates (15) are fixedly connected with anti-skidding pads (14), and the top end faces of the supporting screw rods (11) are fixedly connected with rotating handles (18).
3. The hydraulic engineering construction pipe laying and paying-off device according to claim 1, wherein: the top end face of the sliding sleeve (16) with the top end group is provided with a fixing frame (30), the fixing frame (30) is fixedly connected with the sliding sleeve (16), the fixing frame (30) is provided with a rotating rod (32), the rotating rod (32) penetrates through the fixing frame (30) to the surface of the sliding sleeve (16), the upper end and the lower end of the middle portion of the fixing frame (30) are respectively provided with a rotating ring (31), the rotating rings (31) are sleeved on the outer wall of the rotating rod (32), the two groups of rotating rings (31) are fixedly connected with the rotating rod (32), the bottom end face of the rotating rod (32) is provided with a movably connected ball (33), the ball (33) is not connected with the sliding sleeve (16) in a contact mode, and the top end face of the rotating rod (32) is fixedly connected with the rotating plate (20).
4. The hydraulic engineering construction pipe laying and paying-off device according to claim 1, wherein: the top end face of the rotating plate (20) is fixedly connected with two groups of adjusting screws (22) in a bilateral symmetry mode, the outer wall of each group of adjusting screws (22) is provided with two groups of threaded sleeves (23) in a sleeved mode, the threaded sleeves (23) are in threaded connection with the adjusting screws (22), the outer wall of each group of threaded sleeves (23) is provided with movable sleeves (21) connected through bearings in a sleeved mode, the two groups of protective rollers (25) are installed between the two groups of movable sleeves (21) in the horizontal direction respectively, and the top end face of each group of adjusting screws (22) is fixedly connected with an anti-falling plate (24).
5. The hydraulic engineering construction pipe laying and paying-off device according to claim 4, wherein: every group the equal fixedly connected with fixed block (29) of side of movable sleeve pipe (21), every group the equal fixedly connected with mounting panel (28) of a terminal surface of movable sleeve pipe (21) are kept away from to fixed block (29), the one end fixedly connected with box (27) of fixed block (29) are kept away from in mounting panel (28), and are two sets of install respectively between two sets of boxes (27) of horizontal direction in protective drum (25).
6. The hydraulic engineering construction pipe laying pay-off device of claim 5, wherein: the left side is two sets of the inner chamber of box (27) all is provided with motor (26), and motor (26) and box (27) fixed connection, and is two sets of be provided with the transfer line that the transmission is connected between box (27), protective drum (25) bearing connection is at the outer wall of transfer line, motor (26) is connected with the transfer line transmission.
7. The hydraulic engineering construction pipe laying and paying-off device according to claim 6, wherein: the protective drum (25) comprises a solid layer (253), the transmission rod penetrates through the solid layer (253), a hard rubber layer (252) wraps the outside of the solid layer (253), the hard rubber layer (252) is fixedly connected with the solid layer (253), a soft rubber layer (251) wraps the outside of the hard rubber layer (252) and is fixedly connected with the hard rubber layer, and corrugations are arranged on the surface of the soft rubber layer (251).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110334267.4A CN113086748B (en) | 2021-03-29 | 2021-03-29 | Hydraulic engineering construction pipe laying pay-off |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110334267.4A CN113086748B (en) | 2021-03-29 | 2021-03-29 | Hydraulic engineering construction pipe laying pay-off |
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| CN113086748B true CN113086748B (en) | 2022-12-20 |
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| JP5545593B2 (en) * | 2010-03-17 | 2014-07-09 | 村田機械株式会社 | Yarn winding machine |
| US8714039B2 (en) * | 2011-04-09 | 2014-05-06 | Timotion Technology Co., Ltd. | Stroke-restricting device of linear actuator and wire-reeling mechanism thereof |
| NO20130033A1 (en) * | 2013-01-07 | 2014-04-07 | Aker Pusnes As | Cable control device for multi-diameter cables |
| CN107187929A (en) * | 2017-07-26 | 2017-09-22 | 国网山东省电力公司沂水县供电公司 | Cable placing support and actinobacillus device |
| CN209210056U (en) * | 2018-09-28 | 2019-08-06 | 北京市平谷区水利工程公司 | A kind of water conservancy construction pipe laying actinobacillus device |
| CN209660117U (en) * | 2019-03-20 | 2019-11-22 | 中国水利水电科学研究院 | A kind of multifunction farm water conservancy irrigation device |
| CN210795289U (en) * | 2019-07-15 | 2020-06-19 | 刘宏超 | Power unwrapping wire cable straining device for electric power system |
| CN210418672U (en) * | 2019-07-26 | 2020-04-28 | 南京唯友环保科技有限公司 | Pay-off of electric wire cable construction usefulness |
| CN211198128U (en) * | 2019-08-20 | 2020-08-07 | 南安市星佰装饰工程有限公司 | Can prevent pay-off for electric power installation of moving line |
| CN210074627U (en) * | 2019-08-26 | 2020-02-14 | 张学勇 | Hydraulic engineering construction pipe laying pay-off |
| CN211110394U (en) * | 2019-12-02 | 2020-07-28 | 四川乾元昊泰建筑工程有限公司 | Pipe laying pay-off convenient to water conservancy construction |
| CN211998194U (en) * | 2020-02-27 | 2020-11-24 | 山东鲁岳电气有限公司 | Cable drum for preventing cable from deviating |
| CN211998173U (en) * | 2020-04-09 | 2020-11-24 | 山东经纬钢帘线科技有限公司 | Steel wire paying-off and conducting device |
| CN111776846A (en) * | 2020-08-17 | 2020-10-16 | 林东东 | Water conservancy construction pipe laying pay-off |
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