CN219546511U - Hydropower station electric hoist track installation dismounting device - Google Patents

Hydropower station electric hoist track installation dismounting device Download PDF

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Publication number
CN219546511U
CN219546511U CN202320368927.5U CN202320368927U CN219546511U CN 219546511 U CN219546511 U CN 219546511U CN 202320368927 U CN202320368927 U CN 202320368927U CN 219546511 U CN219546511 U CN 219546511U
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China
Prior art keywords
electric hoist
fixed
hoisting
plate
rail
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CN202320368927.5U
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Chinese (zh)
Inventor
樊小波
包唐伟
刘文忠
张兆礼
刘文亮
武世虎
侯春尧
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China Yangtze Power Co Ltd
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China Yangtze Power Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The utility model discloses an installation and disassembly device for an electric hoist rail of a hydropower station, which comprises a hoisting bracket fixedly connected with a concrete embedded steel plate at the top of an equipment room, wherein the hoisting bracket is positioned right above the electric hoist rail to be hoisted; a chain block for hoisting operation is hung on the hoisting support; the hoisting end of the chain block is fixedly connected with a heightening fixed frame, and the heightening fixed frame is fixed at two sides of the bottom end of an electric block rail to be hoisted; the device also comprises a short-distance lifting device for carrying out short-distance lifting adjustment on the electric hoist track, and the short-distance lifting device is fixed on the concrete embedded steel plate at the top of the equipment room. The electric hoist rail is assembled and disassembled without the assistance of other hoisting equipment, and can be accurately positioned when the rail pressing plate is fixed by bolts; the safety and the working efficiency of the operation are effectively improved; the device is easy to manufacture, light in weight and convenient to install and use.

Description

Hydropower station electric hoist track installation dismounting device
Technical Field
The utility model belongs to the technical field of installation and maintenance of electric hoist rails, and particularly relates to an installation and disassembly device for an electric hoist rail of a hydropower station.
Background
The electric hoist is used as lifting equipment, has the characteristics of small volume, simple operation, convenient use and the like, and is widely applied to factories, warehouses and equipment rooms of hydraulic and hydroelectric engineering. The electric hoist running rail of the hydropower station is generally directly installed on a steel plate reserved on a top concrete foundation of a factory building, a warehouse and an equipment room, the running rail is more than 5m away from the ground and limited by a site, and when the electric hoist rail is newly installed and replaced, hoisting equipment such as a crane, a forklift and the like cannot enter the installation site to assist in installation and disassembly. Meanwhile, as the electric hoist running rail is higher from the ground, the hanging point is difficult to set, and great difficulty is brought to the installation and the disassembly work. Meanwhile, great examination is provided for the overhauling staff, and the safe, efficient and lean overhauling mode of the equipment also provides new requirements for the current overhauling staff at present.
At present, the main rail mounting and dismounting methods are: a plurality of anchor points are additionally arranged on concrete drilling and bar planting at two sides of the installation position of the top of the electric hoist running rail to serve as hanging points; and the steel wire rope is used for tightly binding the I-shaped steel rail to prevent deflection, the rail is lifted to the installation position by the chain block to be fixed, and in order to increase the lifting height of the chain block, the structures such as a skid or a bracket are added below the rail. The method for installing and detaching the electric hoist rail has the following defects:
(1) The anchor points are additionally arranged in the concrete drilling and bar planting process, so that a load test experiment is required, the operation time is prolonged, and the working efficiency is low;
(2) Materials such as skid blocks are added below the track, and the materials possibly slide down in the lifting or falling process, so that the safety of operators below is threatened;
(3) After the hand chain hoist promotes the track to the top, be difficult for carrying out the position fine setting, it is comparatively difficult to install the track clamp plate.
Therefore, in order to solve the problems of potential safety hazards, long operation period, safety risk of operators, high labor intensity and the like caused by difficult setting of lifting points, insufficient lifting height of a chain block, difficult adjustment and the like in the process of installing and dismantling the electric block rail of the hydropower station, the installation and dismantling device for the electric block rail of the hydropower station is developed by combining the installation environment and actual working condition of the electric block rail of the hydropower station, so that the operation safety, the equipment reliability and the working efficiency are improved.
Disclosure of Invention
Based on the background technology, the problems of potential safety hazard, long operation period, safety risk of operators, high labor intensity and the like caused by the reasons of difficult setting of hanging points, insufficient lifting height of a chain block, difficult adjustment and the like in the process of installing and detaching the electric block rail of the hydropower station are solved, and the installation environment and the actual working condition of the electric block rail of the hydropower station are combined. The utility model provides a hydropower station electric hoist track mounting and dismounting device, which does not need to set a hoisting point in a punching and bar planting mode, and cannot damage a track and a concrete foundation; the electric hoist rail is assembled and disassembled without the assistance of other hoisting equipment, and can be accurately positioned when the rail pressing plate is fixed by bolts; the safety and the working efficiency of the operation are effectively improved; the device is easy to manufacture, light in weight and convenient to install and use.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the utility model provides a power station electric hoist track installation dismounting device, it includes the hoist and mount support that is used for with equipment room top concrete pre-buried steel sheet fixed connection, hoist and mount support is located the electric hoist track that waits to hoist and mount directly over; a chain block for hoisting operation is hung on the hoisting support; the hoisting end of the chain block is fixedly connected with a heightening fixed frame, and the heightening fixed frame is fixed at two sides of the bottom end of an electric block rail to be hoisted;
the device also comprises a short-distance lifting device for carrying out short-distance lifting adjustment on the electric hoist track, and the short-distance lifting device is fixed on the concrete embedded steel plate at the top of the equipment room.
The hoisting support comprises a mounting plate, through holes which are used for fixedly connecting with the concrete embedded steel plates at the top of the equipment room are machined in four corners of the mounting plate, a hoisting cross beam is fixed at the bottom end of the mounting plate, and first hoisting rings for installing chain blocks are fixed at the two ends of the hoisting cross beam.
The heightening fixing frame comprises a fixing device and a heightening frame, and the fixing device is fixedly arranged at two sides of the bottom end of the electric hoist rail; the fixing device is fixed at the top end of the heightening frame, and then the whole electric hoist rail is supported and fixed at the top end of the heightening frame.
The fixing device comprises a seat board, wherein a positioning groove which is arranged along the length of the seat board is processed at the central part of the seat board and is matched with the electric hoist track; the top end of the seat board is symmetrically fixed with a plurality of groups of first pressing boards used for pressing the bottom board of the electric hoist rail through bolts; the outer end of the seat board is fixed with an end pressing plate for fixing the end part of the electric hoist rail through bolts.
The heightening frame comprises a top frame, wherein the top frame is made of channel steel and angle steel by welding; second hanging rings are fixed at four corners of the bottom end of the top frame and are connected with a hand hoist.
The chain block comprises a chain block body, wherein a hook is arranged on the chain block body and is hooked and connected with a hanging point on a hanging bracket; the lifting chain bottom of chain block is provided with chain block lifting hook, and chain block lifting hook links to each other with the lifting point hook on the mount that increases.
The short-distance lifting device comprises a connecting plate fixedly connected with a concrete embedded steel plate at the top of the equipment room, an adjusting pull rod is hinged to the bottom end of the connecting plate, and a clamp for clamping a top plate of the electric hoist rail is installed at the bottom end of the adjusting pull rod through threaded transmission matching.
The connecting plate is provided with a bolt hole for penetrating through the bolt assembly, and the top end of the bolt assembly is fixedly connected with a concrete embedded steel plate at the top of the equipment room; the bottom of the connecting plate is fixed with a lifting lug for hinging the adjusting pull rod.
The adjusting pull rod comprises a trapezoid threaded rod, a U-shaped seat is arranged at the top end of the trapezoid threaded rod, and the U-shaped seat is hinged on the lifting lug through a pin shaft; the ladder-shaped threaded rod is provided with a rotary handle in a penetrating way, and the rotary handle is used for driving the ladder-shaped threaded rod to rotate;
the clamp comprises a supporting plate, a ladder-shaped threaded hole matched with the ladder-shaped threaded rod is formed in the supporting plate, and a second pressing plate used for pressing a top plate of the electric hoist rail is fixed to the top end of the supporting plate through a long bolt.
The utility model has the following beneficial effects:
1. the device can avoid the defects of damage and low efficiency of the concrete foundation caused by the hanging point arranged in the mode of drilling and bar planting.
2. The device is easy to manufacture, light in weight and simple to operate.
3. The device can effectively improve work efficiency and operation safety.
4. This patent repeatedly usable possesses extensive application prospect.
5. The heightening fixing frame is used for fixing the electric hoist rail on the bracket, so that the electric hoist rail is prevented from deflecting and falling off in the lifting process; the heightening frame provides a lifting point for the chain block and increases the lifting distance.
6. The chain block can be used for providing hoisting power in the hoisting process.
7. The final small-distance height adjustment of the electric hoist rail is realized, and the electric hoist rail is further fixed on the concrete embedded steel plate at the top of the equipment room.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is an overall construction diagram of the present utility model.
Fig. 2 is a schematic view of the hoisting bracket structure of the utility model.
FIG. 3 is a schematic view of the structure of the heightening mount of the present utility model.
Fig. 4 is a schematic structural view of the fixing device of the present utility model.
FIG. 5 is a schematic view of the structure of the height-increasing frame of the present utility model.
Fig. 6 is a schematic diagram of the chain block of the present utility model.
Fig. 7 is a schematic view of the short-distance lifting device of the present utility model.
Fig. 8 is a schematic view of the structure of the connecting plate of the present utility model.
Fig. 9 is a schematic view of the adjusting lever structure of the present utility model.
Fig. 10 is a schematic view of the structure of the clamp of the present utility model.
Fig. 11 is a schematic view of the rail fixation during the installation of the present utility model.
Fig. 12 is a schematic view of the installation of the hoisting bracket and the chain block in the specific installation process of the utility model.
Fig. 13 is a schematic view of a short-distance lifting device installed during an installation embodying the present utility model.
Fig. 14 is a schematic view of the installation of the electric hoist rail in the specific installation process of the utility model.
In the figure: a hoisting bracket 1, an heightening fixed frame 2, a chain block 3, a short-distance lifting device 4 and an electric block track 5;
the device comprises a mounting plate 1-1, a through hole 1-2, a hoisting cross beam 1-3 and a first hanging ring 1-4;
a fixing device 2-1 and an heightening frame 2-2;
2-1-1 parts of seat boards, 2-1-2 parts of positioning grooves, 2-1-3 parts of end pressing boards, 2-1-4 parts of first pressing boards and 2-1-5 parts of bolts;
a top frame 2-2-1 and a second hanging ring 2-2-2;
a chain block lifting hook 3-1 and a hook 3-2;
the connecting plate 4-1, the adjusting pull rod 4-2 and the clamp 4-3;
bolt components 4-1-1, lifting lugs 4-1-2 and bolt holes 4-1-3;
the device comprises a pin shaft 4-2-1, a rotary handle 4-2-3 and a ladder-shaped threaded rod 4-2-4;
the support plate 4-3-1, the ladder-shaped threaded hole 4-3-2 and the second pressing plate 4-3-3.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1-10, the mounting and dismounting device for the electric hoist track of the hydropower station comprises a hoisting support 1 fixedly connected with a concrete embedded steel plate at the top of an equipment room, wherein the hoisting support 1 is positioned right above the electric hoist track 5 to be hoisted; a chain block 3 for hoisting operation is hung on the hoisting bracket 1; the hoisting end of the chain block 3 is fixedly connected with the heightening fixed frame 2, and the heightening fixed frame 2 is fixed on two sides of the bottom end of the electric block rail 5 to be hoisted; the electric hoist is characterized by further comprising a short-distance lifting device 4 for carrying out short-distance lifting adjustment on the electric hoist track 5, wherein the short-distance lifting device 4 is fixed on the concrete embedded steel plate at the top of the equipment room. Through foretell installation dismounting device can be used for the dismantlement and the installation of electric block track 5, and it is direct with the help of the hanging point of equipment room top concrete pre-buried steel sheet as the installation, has avoided traditional installation process of planting the muscle that punches, has effectively improved the fixed efficiency of installation.
Further, the hoisting support 1 comprises a mounting plate 1-1, through holes 1-2 which are used for being fixedly connected with the concrete embedded steel plates at the top of the equipment room are machined in four corners of the mounting plate 1-1, a hoisting cross beam 1-3 is fixed at the bottom end of the mounting plate 1-1, and first hoisting rings 1-4 for installing chain blocks are fixed at two ends of the hoisting cross beam 1-3. The hoisting bracket 1 can be used as a hoisting point for installing and hoisting the whole track.
Furthermore, the heightening fixing frame 2 comprises a fixing device 2-1 and a heightening frame 2-2, and the fixing device 2-1 is fixedly arranged at two sides of the bottom end of the electric hoist rail 5; the fixing device 2-1 is fixed at the top end of the heightening frame 2-2, so that the whole electric hoist rail 5 is supported and fixed at the top end of the heightening frame 2-2. The heightening fixing frame 2 is used for fixing the electric hoist rail on the bracket, so that the electric hoist rail is prevented from deflecting and falling off in the lifting process; the heightening frame provides a lifting point for the chain block and increases the lifting distance.
Further, the fixing device 2-1 comprises a seat board 2-1-1, a locating groove 2-1-2 arranged along the length of the seat board 2-1-1 is processed at the center part of the seat board 2-1, and the locating groove 2-1-2 is matched with the electric hoist track 5; the top end of the seat board 2-1-1 is symmetrically fixed with a plurality of groups of first pressing boards 2-1-4 used for pressing the bottom board of the electric hoist rail 5 through bolts 2-1-5; the outer end of the seat board 2-1-1 is fixed with an end pressing plate 2-1-3 for fixing the end of the electric hoist rail 5 through bolts 2-1-5. The fixing device 2-1 can be used for reliably and fixedly mounting the electric hoist rail 5.
Further, the heightening frame 2-2 comprises a top frame 2-2-1, and the top frame 2-2-1 is made of channel steel and angle steel by welding; the four corners of the bottom end of the top frame 2-2-1 are fixed with second hanging rings 2-2-2, and the second hanging rings 2-2-2 are connected with a chain block 3. The structural strength and stability of the heightening frame 2-2 are ensured. And the lifting distance of the chain block to the electric block track is increased by the heightening frame 2-2.
Further, the chain block 3 comprises a chain block body, wherein a hook 3-2 is arranged on the chain block body and is hooked and connected with a hanging point on the hanging bracket 1; the lifting chain bottom of chain block 3 is provided with chain block lifting hook 3-1, and chain block lifting hook 3-1 links to each other with the lifting hook that increases on the mount 2. The chain block 3 can be used for providing hoisting power in the hoisting process.
Further, the short-distance lifting device 4 comprises a connecting plate 4-1 fixedly connected with a concrete embedded steel plate at the top of the equipment room, an adjusting pull rod 4-2 is hinged to the bottom end of the connecting plate 4-1, and a clamp 4-3 for clamping a top plate of the electric hoist rail 5 is mounted at the bottom end of the adjusting pull rod 4-2 through threaded transmission fit. Through foretell short distance hoisting device 4 at first with the connecting plate through the pre-buried steel sheet of bolt with equipment room top concrete be connected, when chain block lifts electric block track to near the mounted position, anchor clamps and track connection, through rotatory adjustment pull rod, adjust the track to the mounted position and fix. And the final small-distance height adjustment of the electric hoist rail 5 is realized, and the electric hoist rail is further fixed on the concrete embedded steel plate at the top of the equipment room.
Further, a bolt hole 4-1-3 for penetrating through the bolt component 4-1-1 is processed on the connecting plate 4-1, and the top end of the bolt component 4-1-1 is fixedly connected with a concrete embedded steel plate at the top of the equipment room; the bottom end of the connecting plate 4-1 is fixed with a lifting lug 4-1-2 for hinging and adjusting the pull rod 4-2. The whole device can be fixed at the bottom end of the concrete embedded steel plate at the top of the equipment room through the connecting plate 4-1.
Further, the adjusting pull rod 4-2 comprises a ladder-shaped threaded rod 4-2-4, a U-shaped seat 4-2-2 is arranged at the top end of the ladder-shaped threaded rod 4-2-4, and the U-shaped seat 4-2-2 is hinged on the lifting lug 4-1-2 through a pin shaft 4-2-1; the ladder-shaped threaded rod 4-2-4 is provided with a rotary handle 4-2-3 in a penetrating way for driving the ladder-shaped threaded rod to rotate. The adjustment of the height of the distance can be achieved by the adjustment lever 4-2 described above.
Further, the clamp 4-3 comprises a supporting plate 4-3-1, a ladder-shaped threaded hole 4-3-2 used for being matched with the ladder-shaped threaded rod 4-2-4 is processed on the supporting plate 4-3-1, and a second pressing plate 4-3-3 used for pressing the top plate of the electric hoist rail 5 is fixed on the top end of the supporting plate 4-3-1 through a long bolt 4-3-4. The clamp 4-3 can be used for reliably clamping and fixing the electric hoist rail 5.
Example 2:
referring to fig. 11-14, a method for using a hydropower station electric hoist rail mounting and dismounting device, wherein the mounting and dismounting device can perform mounting operation and dismounting operation of an electric hoist rail 5, and in the process of mounting the electric hoist rail 5, the method comprises the following steps:
step one, the electric hoist track 5 is fixed to the top end of the heightening fixed frame 2:
transferring the electric hoist rail 5 to the lower part of the installation position, and then placing the electric hoist rail 5 at the top end of the heightening fixed frame 2 and fixing the electric hoist rail;
step two, installing a hoisting support and a chain block:
a fixed hoisting bracket 1 is arranged on a concrete embedded steel plate at the top of the equipment room and positioned at a corresponding position above the heightening fixed frame 2; then the chain block 3 is respectively connected with the hoisting bracket 1 and the heightening fixing bracket 2;
step three, the short-distance lifting device 4 is installed:
operating the chain block 3 to lift the heightening fixing frame 2, lifting the electric block track 5 to the position below the mounting position of the concrete embedded steel plate at the top of the equipment room, mounting the short-distance lifting device 4 on the reserved steel plate, and screwing down the pressing plate bolt to ensure that the electric block track 5 is reliably connected with the short-distance lifting device 4;
step four, mounting an electric hoist rail 5:
after the short-distance lifting device 4 is installed, the chain block 3 is operated to lower the heightening fixing frame 2 to the ground, and the chain block 3 is removed; the lifting short-distance lifting device 4 is rotated to lift the electric hoist rail 5 to the installation position, and a rail pressing plate is installed; dismantling the electric hoist rail 5, installing all pressing plates, and finishing the installation work of the electric hoist rail 5;
example 3:
in the process of disassembling the electric hoist rail 5, the method comprises the following steps: the method comprises the steps of installing a short-distance lifting device 4, removing a rail pressing plate, discharging a chain block rail 5 by using the short-distance lifting device 4, installing a hoisting support 1, heightening a fixing frame 2 and a chain block 3, connecting the heightening fixing frame 2 with the electric block rail 5, removing the short-distance lifting device 4, operating the chain block 3 to lower the electric block rail 5 to the ground, transferring the electric block rail 5, removing the chain block and the hoisting support, and completing the disassembly work of the electric block rail.

Claims (10)

1. The utility model provides a power station electric block track installation dismounting device which characterized in that: the hoisting device comprises a hoisting support (1) which is fixedly connected with a concrete embedded steel plate at the top of an equipment room, wherein the hoisting support (1) is positioned right above an electric hoist rail (5) to be hoisted; a chain block (3) for hoisting operation is hung on the hoisting bracket (1); the hoisting end of the chain block (3) is fixedly connected with the heightening fixed frame (2), and the heightening fixed frame (2) is fixed on two sides of the bottom end of the electric block rail (5) to be hoisted;
the electric hoist is characterized by further comprising a short-distance lifting device (4) for carrying out short-distance lifting adjustment on the electric hoist rail (5), wherein the short-distance lifting device (4) is fixed on the concrete embedded steel plate at the top of the equipment room.
2. The hydropower station electric hoist rail mounting and dismounting device according to claim 1, wherein: the hoisting support (1) comprises a mounting plate (1-1), through holes (1-2) which are used for being fixedly connected with a concrete embedded steel plate at the top of the equipment room are formed in four corners of the mounting plate (1-1), a hoisting cross beam (1-3) is fixed at the bottom end of the mounting plate (1-1), and first hoisting rings (1-4) for mounting chain blocks are fixed at two ends of the hoisting cross beam (1-3).
3. The hydropower station electric hoist rail mounting and dismounting device according to claim 1, wherein: the heightening fixing frame (2) comprises a fixing device (2-1) and a heightening frame (2-2), and the fixing device (2-1) is fixedly arranged at two sides of the bottom end of the electric hoist rail (5); the fixing device (2-1) is fixed at the top end of the heightening frame (2-2), so that the electric hoist rail (5) is integrally supported and fixed at the top end of the heightening frame (2-2).
4. A hydropower station electric hoist rail mounting and dismounting device according to claim 3, characterized in that: the fixing device (2-1) comprises a seat board (2-1-1), wherein a positioning groove (2-1-2) is formed in the center of the seat board (2-1-1) and is arranged along the length of the seat board, and the positioning groove (2-1-2) is matched with an electric hoist rail (5); a plurality of groups of first pressing plates (2-1-4) for pressing the bottom plate of the electric hoist rail (5) are symmetrically fixed at the top end of the seat plate (2-1-1) through bolts (2-1-5); the outer end of the seat board (2-1-1) is fixed with an end pressing plate (2-1-3) for fixing the end part of the electric hoist rail (5) through bolts (2-1-5).
5. A hydropower station electric hoist rail mounting and dismounting device according to claim 3, characterized in that: the heightening frame (2-2) comprises a top frame (2-2-1), and the top frame (2-2-1) is made of channel steel and angle steel by welding; the four corners of the bottom end of the top frame (2-2-1) are fixed with second hanging rings (2-2-2), and the second hanging rings (2-2-2) are connected with a chain block (3).
6. The hydropower station electric hoist rail mounting and dismounting device according to claim 1, wherein: the chain block (3) comprises a chain block body, wherein a hook (3-2) is arranged on the chain block body and is hooked and connected with a hanging point on the hoisting support (1); the chain hoist lifting hook (3-1) is arranged at the bottom end of the lifting chain of the chain hoist (3), and the chain hoist lifting hook (3-1) is connected with the lifting hook on the heightening fixed frame (2).
7. The hydropower station electric hoist rail mounting and dismounting device according to claim 1, wherein: the short-distance lifting device (4) comprises a connecting plate (4-1) fixedly connected with a concrete embedded steel plate at the top of the equipment room, an adjusting pull rod (4-2) is hinged to the bottom end of the connecting plate (4-1), and a clamp (4-3) for clamping a top plate of the electric hoist rail (5) is mounted at the bottom end of the adjusting pull rod (4-2) through threaded transmission fit.
8. The hydropower station electric hoist rail mounting and dismounting device according to claim 7, wherein: the connecting plate (4-1) is provided with a bolt hole (4-1-3) for penetrating through the bolt assembly (4-1-1), and the top end of the bolt assembly (4-1-1) is fixedly connected with a concrete embedded steel plate at the top of the equipment room; the bottom end of the connecting plate (4-1) is fixed with a lifting lug (4-1-2) for hinging the adjusting pull rod (4-2).
9. The hydropower station electric hoist rail mounting and dismounting device according to claim 8, wherein: the adjusting pull rod (4-2) comprises a ladder-shaped threaded rod (4-2-4), a U-shaped seat (4-2-2) is arranged at the top end of the ladder-shaped threaded rod (4-2-4), and the U-shaped seat (4-2-2) is hinged on the lifting lug (4-1-2) through a pin shaft (4-2-1); the ladder-shaped threaded rod (4-2-4) is provided with a rotary handle (4-2-3) in a penetrating way for driving the ladder-shaped threaded rod to rotate.
10. The hydropower station electric hoist rail mounting and dismounting device according to claim 8, wherein: the clamp (4-3) comprises a supporting plate (4-3-1), a ladder-shaped threaded hole (4-3-2) matched with a ladder-shaped threaded rod (4-2-4) is processed on the supporting plate (4-3-1), and a second pressing plate (4-3-3) used for pressing a top plate of the electric hoist rail (5) is fixed on the top end of the supporting plate (4-3-1) through a long bolt (4-3-4).
CN202320368927.5U 2023-03-02 2023-03-02 Hydropower station electric hoist track installation dismounting device Active CN219546511U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320368927.5U CN219546511U (en) 2023-03-02 2023-03-02 Hydropower station electric hoist track installation dismounting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320368927.5U CN219546511U (en) 2023-03-02 2023-03-02 Hydropower station electric hoist track installation dismounting device

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Publication Number Publication Date
CN219546511U true CN219546511U (en) 2023-08-18

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