CN112265943B - Safe lifting frame for power grid construction - Google Patents
Safe lifting frame for power grid construction Download PDFInfo
- Publication number
- CN112265943B CN112265943B CN202011258703.6A CN202011258703A CN112265943B CN 112265943 B CN112265943 B CN 112265943B CN 202011258703 A CN202011258703 A CN 202011258703A CN 112265943 B CN112265943 B CN 112265943B
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- sliding
- fixedly connected
- groove
- lifting
- frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a power grid construction safety lifting frame which comprises a lifting frame body, a fixing assembly, an extension assembly and the ground, wherein a reserved groove is formed in the ground, a pre-insertion pipe is fixedly connected with the reserved groove, the pre-insertion pipe is fixedly connected with the lifting frame body, the lifting frame body comprises an outer frame, a lifting groove and a guardrail, the lifting frame body is provided with the outer frame, the outer frame is provided with the lifting groove, the lifting frame body is provided with the guardrail, the guardrail is fixedly connected with a sliding frame, and the fixing assembly comprises a first thread, an insertion rod, a screw rod, a sleeve, a sliding rod, a motor, a connecting rod and a rotating wheel. This electric wire netting construction safety crane also can slide the stability when hoisting device goes up and down through the gag lever post that the stop collar set up on the frame when having improved the security performance of device, and the difficult of causing of slope when avoiding going up and down stands, has made things convenient for the process of lift construction, has increased the practicality of device through the extension board, has realized the extensible function of device.
Description
Technical Field
The invention relates to the technical field of lifting frames, in particular to a safety lifting frame for power grid construction.
Background
The electric network is a general name of facilities and equipment for connecting power generation and power utilization in an electric power system, belongs to an intermediate link for transmitting and distributing electric energy, mainly comprises a power transmission line, a power substation, a power distribution substation and a power distribution line which are connected into a network, and generally refers to a unified whole of connecting power generation and power utilization consisting of power transmission, power transformation, power distribution equipment and corresponding auxiliary systems as an electric power network. The height of the power grid is very high, and meanwhile, the power grid has certain high voltage, so that the safety of the power grid needs to be paid attention to when the power grid needs to be built or maintained in the process of building or maintaining the power grid, and the lifting frame is often used for building and constructing the power grid when construction operation is carried out;
1. the existing lifting frame only has a certain lifting function, the whole lifting frame can shake due to slight instability along with the rising of a plate frame bearing maintenance personnel, certain danger exists, meanwhile, a driving mechanism for lifting often needs to carry a plurality of additional fixing frames and pulleys to raise the plate frame, and the lifting frame is very inconvenient and does not have a safe lifting function;
2. because the diameter of electric wire netting is great, when rising to the height that needs the construction, if certain deviation just can have certain distance with the construction area, and adjust the inconvenience very of distance after rising, just can drop slightly carelessly, do not have the function of extending the grillage.
Disclosure of Invention
The invention aims to provide a power grid construction safety lifting frame, which aims to solve the problem that a driving mechanism for lifting in the background technology needs to carry a plurality of additional fixing frames and pulleys to lift a plate frame, is very inconvenient, does not have a safety lifting function, and does not have a plate frame extending function.
In order to achieve the purpose, the invention provides the following technical scheme: a safety lifting frame for power grid construction comprises a lifting frame body, a fixing assembly, an extension assembly and ground, wherein a reserved groove is formed in the ground, a pre-insertion pipe is fixedly connected to the reserved groove, the pre-insertion pipe is fixedly connected to the lifting frame body, the lifting frame body comprises an outer frame, a lifting groove and a guardrail, the lifting frame body is provided with the outer frame, the outer frame is provided with the lifting groove, the lifting frame body is provided with the guardrail, the guardrail is fixedly connected to a sliding frame, the fixing assembly comprises a first thread, an insertion rod, a screw rod, a sleeve, a sliding rod, a motor, a connecting rod and a rotating wheel, the sliding frame is fixedly connected with the sliding rod, the insertion rod is fixedly connected with the screw rod, the pre-insertion pipe is provided with a first thread, the sliding frame is fixedly provided with the motor, the motor is fixedly connected with the connecting rod, the connecting rod is fixedly connected with the rotating wheel, the carriage is fixedly connected with an extension assembly.
Preferably, the preformed groove sets up to four groups, and preformed groove and intubate constitute the snap-on structure in advance.
Preferably, the sleeve is of a circular cross-section and is intermeshed with the screw, the sleeve being intermeshed with the first thread.
Preferably, the slide bars are arranged into four groups, the slide bars and the sliding frame are vertically arranged, and the slide bars and the inserted bars form a sliding structure.
Preferably, the rotating wheels are arranged into two groups, and the rotating wheels and the lifting groove form a sliding lifting structure.
Preferably, the fixed subassembly includes gag lever post and stop collar, the gag lever post has been inserted to the frame, balladeur train fixedly connected with stop collar, the gag lever post sets up to three groups, and the gag lever post is cylindrical structure, the cross section of gag lever post is parallel with the cross section of balladeur train, and gag lever post and stop collar constitute slidingtype structure.
Preferably, the extension component comprises a first sliding groove, a first sliding block, a clamping groove, a pull rod, a first sliding rail, a handle, a connecting block, a limiting block and a notch, the first sliding groove is formed in the sliding frame, the first sliding groove is connected with the first sliding block in a sliding mode, the first sliding block is fixedly connected with the pull rod, the first sliding rail is connected with the connecting block in a sliding mode, the connecting block is fixedly connected with the handle, the limiting block is fixedly connected with the first sliding rail, the notch is formed in the connecting block, the diameter of the notch is smaller than that of the limiting block, the clamping groove is formed in the outer frame, and the clamping groove and the handle form a clamping structure.
Preferably, the extension subassembly includes connecting axle, second slider, extension board and second sliding tray, the connecting axle has been inserted to first slider, and connecting axle fixedly connected with second slider, the crane body is provided with the extension board, and the second sliding tray has been seted up to the extension board, extension board and connecting axle constitute the rotary type structure, second slider and extension board constitute the slidingtype structure.
Preferably, the extension assembly comprises a sliding groove, a second sliding rail, a pressing plate and a spring, the sliding groove is formed in the lifting groove, the sliding groove is connected with the second sliding rail in a sliding mode, the pressing plate is fixedly connected with the second sliding rail, the pressing plate is elastically connected with the spring, and the second sliding rail and the outer frame form a sliding type structure.
Preferably, the extension assembly comprises an insulating plate, the insulating plate is fixedly mounted on the extension plate, and the top plane of the insulating plate and the top plane of the extension plate are located on the same plane.
Compared with the prior art, the invention has the beneficial effects that: the safe lifting frame for the power grid construction,
1. the pre-inserting pipe is fixed in the preformed groove, and the inserting rod connected with the pre-inserting pipe and the lifting frame body is fixed through the sleeve, so that the fixation between the bottom end of the device and the ground is greatly improved, the danger caused by shaking during construction operation of the device is avoided, and the safety performance of the device is improved;
2. the sliding frame used for carrying constructors can be lifted on the outer frame to a certain height through the rotation of the rotating wheel, and the stability of the sliding lifting device during lifting is realized by the limiting sleeve on the limiting rod arranged on the outer frame, so that the phenomenon that the sliding lifting device is difficult to stand due to inclination during lifting is avoided, excessive pulleys and trusses do not need to be carried, and the lifting construction process is facilitated;
3. the extension plate can be used as the extension part of the sliding frame through the rotation of the extension plate, so that a certain construction distance is increased, the extension plate can be moved on two sides of the sliding frame through the sliding of the extension plate in the sliding frame, so that the extension plate can be extended in two directions, the practicability of the device is increased, and the extensible function of the device is realized.
Drawings
FIG. 1 is a schematic top view of the overall structure of the present invention;
FIG. 2 is a schematic side sectional view of the overall structure of the present invention;
FIG. 3 is a schematic view of the structure of a pre-cannula and a pre-groove of the present invention;
FIG. 4 is a schematic view of the carriage and lift slot configuration of the present invention;
FIG. 5 is a schematic view of the structure of the carriage and the frame of the present invention;
FIG. 6 is a schematic view of a carriage configuration of the present invention;
FIG. 7 is a schematic view of the structure of FIG. 1 at A according to the present invention;
FIG. 8 is a schematic view of the structure of FIG. 2 at B in accordance with the present invention;
FIG. 9 is a schematic side sectional view of an extension board structure according to the present invention.
In the figure: 1. a lifting frame body; 101. an outer frame; 102. a lifting groove; 103. a guardrail; 2. a fixing assembly; 201. pre-intubation; 202. a first thread; 203. inserting a rod; 204. a screw; 205. a sleeve; 206. a slide bar; 207. a carriage; 208. a motor; 209. a connecting rod; 210. a rotating wheel; 211. a limiting rod; 212. a limiting sleeve; 3. an extension assembly; 301. a first sliding groove; 302. a first slider; 303. a connecting shaft; 304. a second slider; 305. an extension plate; 306. a second sliding groove; 307. a card slot; 308. a pull rod; 309. a first slide rail; 310. a handle; 311. connecting blocks; 312. a limiting block; 313. a notch; 314. a chute; 315. a second slide rail; 316. pressing a plate; 317. a spring; 318. an insulating plate; 4. a ground surface; 401. and (5) reserving a groove.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a safety lifting frame for power grid construction comprises a lifting frame body 1, a fixing assembly 2, an extension assembly 3 and a ground 4, wherein a reserved groove 401 is formed in the ground 4, the reserved groove 401 is fixedly connected with a pre-insertion pipe 201, the pre-insertion pipe 201 is fixedly connected with the lifting frame body 1, the lifting frame body 1 comprises an outer frame 101, a lifting groove 102 and a guardrail 103, the lifting frame body 1 is provided with the outer frame 101, the outer frame 101 is provided with the lifting groove 102, the lifting frame body 1 is provided with the guardrail 103, the guardrail 103 is fixedly connected with a sliding frame 207, the fixing assembly 2 comprises a first thread 202, an insertion rod 203, a screw rod 204, a sleeve 205, a sliding rod 206, a motor 208, a connecting rod 209 and a rotating wheel 210, the sliding frame 207 is fixedly connected with the sliding rod 206, the sliding rod 203 is slidably connected with the insertion rod 206, the insertion rod 203 is fixedly connected with the screw rod 204, the pre-insertion pipe 201 is provided with a first thread 202, the sliding frame 207 is fixedly provided with the motor 208, and the connecting rod 209 is fixedly connected with the motor 208, the connecting rod 209 is fixedly connected with a rotating wheel 210, and the sliding frame 207 is fixedly connected with an extension component 3.
The four sets of the reserved grooves 401 are arranged, and the reserved grooves 401 and the pre-insertion pipe 201 form a clamping structure, so that the device can be fixed to the ground 4 better, and the device is prevented from being unstable in use;
the cross section of the sleeve 205 is a circular structure, the sleeve 205 is meshed with the screw 204, and the sleeve 205 is meshed with the first thread 202, so that the pre-insertion pipe 201 and the insertion rod 203 are fixed conveniently, and the stability of the device is further improved;
the sliding rods 206 are arranged in four groups, the sliding rods 206 and the sliding frame 207 are vertically arranged, and the sliding rods 206 and the inserted rods 203 form a sliding structure, so that the sliding rods 206 can slide in the inserted rods 203 when the sliding frame 207 is lifted, and the sliding frame 207 is prevented from inclining when lifted;
the rotating wheels 210 are arranged in two groups, and the rotating wheels 210 and the lifting groove 102 form a sliding lifting structure, so that the sliding frame 207 can be lifted in the outer frame 101 through the rotation of the rotating wheels 210;
the fixing component 2 comprises limit rods 211 and limit sleeves 212, the limit rods 211 are inserted in the outer frame 101, the sliding frame 207 is fixedly connected with the limit sleeves 212, the limit rods 211 are arranged into three groups, the limit rods 211 are of cylindrical structures, the cross sections of the limit rods 211 are parallel to the cross sections of the sliding frame 207, the limit rods 211 and the limit sleeves 212 form a sliding type structure, the stability of the sliding lifting device during lifting is achieved on the limit rods 211 arranged on the outer frame 101 through the limit sleeves 212, and the phenomenon that the sliding lifting device is not prone to standing due to inclination during lifting is avoided;
the extension component 3 comprises a first sliding groove 301, a first sliding block 302, a clamping groove 307, a pull rod 308, a first sliding rail 309, a handle 310, a connecting block 311, a limiting block 312 and a notch 313, the sliding frame 207 is provided with the first sliding groove 301, the first sliding groove 301 is connected with the first sliding block 302 in a sliding manner, the first sliding block 302 is fixedly connected with the pull rod 308, the pull rod 308 is fixedly connected with the first sliding rail 309, the first sliding rail 309 is connected with the connecting block 311 in a sliding manner, the connecting block 311 is fixedly connected with the handle 310, the first sliding rail 309 is fixedly connected with the limiting block 312, the connecting block 311 is provided with the notch 313, the diameter of the notch 313 is smaller than that of the limiting block 312, the outer frame 101 is provided with the clamping groove 307, and the clamping groove 307 and the handle 310 form a clamping structure, so that the movement of the extension plate 305 is convenient to limit;
the extension component 3 comprises a connecting shaft 303, a second sliding block 304, an extension plate 305 and a second sliding groove 306, the connecting shaft 303 is inserted into the first sliding block 302, the connecting shaft 303 is fixedly connected with the second sliding block 304, the lifting frame body 1 is provided with the extension plate 305, the extension plate 305 is provided with the second sliding groove 306, the extension plate 305 and the connecting shaft 303 form a rotary structure, the second sliding block 304 and the extension plate 305 form a sliding structure, the extension plate 305 can be conveniently extended on two sides of the outer frame 101, meanwhile, when the extension plate 305 is not used, the insulating plate 318 is placed towards one side of the ground 4, and the insulating effect is prevented from being influenced by the dirt on the insulating plate;
the extension assembly 3 comprises a sliding groove 314, a second sliding rail 315, a pressing plate 316 and a spring 317, the sliding groove 314 is formed in the lifting groove 102, the sliding groove 314 is connected with the second sliding rail 315 in a sliding manner, the second sliding rail 315 is fixedly connected with the pressing plate 316, the pressing plate 316 is elastically connected with the spring 317, and the second sliding rail 315 and the outer frame 101 form a sliding type structure, so that the vibration generated by collision can be reduced when the extension plate 305 rotates to one side of the outer frame 101;
The working principle is as follows: according to the illustration in fig. 2, during installation, four sets of pre-grooves 401 are pre-arranged on the ground 4, the pre-insertion tube 201 is placed in the pre-grooves 401, the sleeve 205 is rotated towards the pre-insertion tube 201 side along the insertion rod 203, the sleeve 205 is engaged with the screw 204, the sleeve 205 is engaged with the first thread 202, so that the pre-insertion tube 201 and the insertion rod 203 can be well fixed, the rotating wheel 210 starts to rotate by starting the motor 208, the sliding wheel 210 is engaged with the lifting groove 102 on the outer frame 101, so that the carriage 207 can be lifted along with the rotation of the rotating wheel 210, the limit sleeve 212 connected with the carriage 207 slides on the limit rod 211, the sliding rod 206 slides in the insertion rod 203, so that the stability of the device during lifting is improved, the difficulty in standing caused by the inclination during lifting is avoided, and the device can be lifted safely and stably, meanwhile, compared with the traditional lifting mode, the lifting process is greatly convenient;
according to fig. 6, when the construction length needs to be extended when a certain height is reached, the handle 310 is pulled to the side away from the clamping groove 307, so that the handle 310 is not clamped with the clamping groove 307, the extension plate 305 can be driven to slide on the carriage 207 by pulling the handle 310, when the extension plate 305 slides to the side of the outer frame 101, the extension plate 305 is rotated at a certain angle until the extension plate 305 is rotated to the side of the pressing plate 316, when the extension plate 305 presses the pressing plate 316, the extension plate 305 pushes the pressing plate 316 to move towards the side of the spring 317, so that part of vibration generated by extrusion can be offset by the elastic force of the spring 317, and when the construction length needs to be extended on the carriage 207; when the opposite side extends, will extend board 305 and carry out the pulling of horizontal direction on connecting axle 303, rotate it when drawing to the opposite side to realized that extension board 305 can also protect constructor through the insulation board 318 that inlays to establish on extension board 305 when both sides extend working space, avoid being shocked by the electricity.
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 (8)
1. The utility model provides a safe crane of electric wire netting construction, includes crane body (1), fixed subassembly (2), extension subassembly (3) and ground (4), its characterized in that: the lifting frame is characterized in that a reserved groove (401) is formed in the ground (4), a pre-inserting pipe (201) is fixedly connected to the reserved groove (401), the pre-inserting pipe (201) is fixedly connected to the lifting frame body (1), the lifting frame body (1) comprises an outer frame (101), a lifting groove (102) and a guardrail (103), the lifting frame body (1) is provided with the outer frame (101), the lifting groove (102) is formed in the outer frame (101), the guardrail (103) is arranged on the lifting frame body (1), the guardrail (103) is fixedly connected with a sliding frame (207), a fixing assembly (2) comprises a first thread (202), an inserting rod (203), a screw rod (204), a sleeve (205), a sliding rod (206), a motor (208), a connecting rod (209) and a rotating wheel (210), the sliding frame (207) is fixedly connected with a sliding rod (206), the sliding rod (206) is slidably connected with the inserting rod (203), and the inserting rod (203) is fixedly connected with the screw rod (204), the pre-insertion pipe (201) is provided with a first thread (202), the sliding frame (207) is fixedly provided with a motor (208), the motor (208) is fixedly connected with a connecting rod (209), the connecting rod (209) is fixedly connected with a rotating wheel (210), and the sliding frame (207) is fixedly connected with an extension assembly (3);
the rotating wheels (210) are arranged into two groups, and the rotating wheels (210) and the lifting groove (102) form a sliding lifting structure;
the extension component (3) comprises a first sliding groove (301), a first sliding block (302), a clamping groove (307), a pull rod (308), a first sliding rail (309), a handle (310), a connecting block (311), a limiting block (312) and a notch (313), wherein the sliding frame (207) is provided with the first sliding groove (301), the first sliding groove (301) is connected with the first sliding block (302) in a sliding manner, the first sliding block (302) is fixedly connected with the pull rod (308), the pull rod (308) is fixedly connected with the first sliding rail (309), the first sliding rail (309) is connected with the connecting block (311) in a sliding manner, the connecting block (311) is fixedly connected with the handle (310), the first sliding rail (309) is fixedly connected with the limiting block (312), the notch (313) is formed in the connecting block (311), and the diameter of the notch (313) is smaller than that of the limiting block (312), the outer frame (101) is provided with a clamping groove (307), and the clamping groove (307) and the handle (310) form a clamping structure.
2. A power grid construction safety crane according to claim 1, characterized in that: the preformed groove (401) is set to be four groups, and the preformed groove (401) and the pre-insertion pipe (201) form a clamping structure.
3. A power grid construction safety crane according to claim 2, characterized in that: the sleeve (205) is of a circular structure in cross section, the sleeve (205) and the screw (204) are meshed with each other, and the sleeve (205) and the first thread (202) are meshed with each other.
4. A power grid construction safety crane according to claim 2, characterized in that: the sliding rods (206) are arranged into four groups, the sliding rods (206) and the sliding frame (207) are vertically arranged, and the sliding rods (206) and the inserted rods (203) form a sliding structure.
5. A power grid construction safety crane according to claim 1, characterized in that: fixed subassembly (2) include gag lever post (211) and stop collar (212), gag lever post (211) have been inserted to frame (101), balladeur train (207) fixedly connected with stop collar (212), gag lever post (211) sets up to three groups, and gag lever post (211) are cylindrical structure, the cross section of gag lever post (211) and the cross section of balladeur train (207) are parallel, and gag lever post (211) and stop collar (212) constitute slidingtype structure.
6. A power grid construction safety crane according to claim 1, characterized in that: extension subassembly (3) are including connecting axle (303), second slider (304), extension board (305) and second sliding tray (306), connecting axle (303) have been inserted in first slider (302), and connecting axle (303) fixedly connected with second slider (304), crane body (1) is provided with extension board (305), and extension board (305) has seted up second sliding tray (306), extension board (305) and connecting axle (303) constitute the rotary type structure, second slider (304) and extension board (305) constitute the slidingtype structure.
7. A power grid construction safety crane according to claim 6, characterized in that: the extension assembly (3) comprises a sliding groove (314), a second sliding rail (315), a pressing plate (316) and a spring (317), the sliding groove (314) is formed in the lifting groove (102), the sliding groove (314) is connected with the second sliding rail (315) in a sliding mode, the pressing plate (316) is fixedly connected with the second sliding rail (315), the pressing plate (316) is elastically connected with the spring (317), and the second sliding rail (315) and the outer frame (101) form a sliding structure.
8. A power grid construction safety crane according to claim 6, characterized in that: the extension assembly (3) comprises an insulating plate (318), the insulating plate (318) is fixedly installed on the extension plate (305), and the top layer plane of the insulating plate (318) and the top layer plane of the extension plate (305) are located on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011258703.6A CN112265943B (en) | 2020-11-12 | 2020-11-12 | Safe lifting frame for power grid construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011258703.6A CN112265943B (en) | 2020-11-12 | 2020-11-12 | Safe lifting frame for power grid construction |
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| Publication Number | Publication Date |
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| CN112265943A CN112265943A (en) | 2021-01-26 |
| CN112265943B true CN112265943B (en) | 2021-12-14 |
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| CN202011258703.6A Active CN112265943B (en) | 2020-11-12 | 2020-11-12 | Safe lifting frame for power grid construction |
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| CN210656026U (en) * | 2019-08-19 | 2020-06-02 | 国家电网有限公司 | Electric power overhauls strutting arrangement |
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| GB0609771D0 (en) * | 2006-05-17 | 2006-06-28 | Bu Innovations Ltd | Combination loft ladder & lift |
| CN207294038U (en) * | 2017-08-07 | 2018-05-01 | 淮安市再丰电器有限公司 | A kind of work about electric power platform |
| CN109961926A (en) * | 2017-12-14 | 2019-07-02 | 江苏广特电气有限公司 | A kind of transformer convenient for safeguarding |
| CN207684791U (en) * | 2017-12-25 | 2018-08-03 | 国网山东省电力公司蓬莱市供电公司 | A kind of motor vehicle repair holder |
| CN208632010U (en) * | 2018-07-18 | 2019-03-22 | 四川省腾达电力器材制造有限公司 | A kind of movable type all insulation hoistable platform |
| CN108749892A (en) * | 2018-08-16 | 2018-11-06 | 芜湖寅越信息科技有限公司 | A kind of smart home support transport device |
| CN108996432A (en) * | 2018-08-16 | 2018-12-14 | 郑州大予机械设备有限公司 | A kind of bituminous mixing plant lifting device |
| CN210084646U (en) * | 2019-04-12 | 2020-02-18 | 信泰线缆有限公司 | Cable drum handling device |
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- 2020-11-12 CN CN202011258703.6A patent/CN112265943B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107555347A (en) * | 2017-10-27 | 2018-01-09 | 孙宇豪 | A kind of lifting of building machinery is stepped on |
| CN210656026U (en) * | 2019-08-19 | 2020-06-02 | 国家电网有限公司 | Electric power overhauls strutting arrangement |
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