CN219862685U - Multifunctional grid cover plate for hydropower station water inlet flow channel inspection - Google Patents

Abstract

The utility model discloses a multifunctional grid cover plate for checking a water inlet runner of a hydropower station, which comprises a grid formed by a plurality of flat steels and twisted steel in a staggered mode and an automatic climbing device, wherein a plurality of movable cavities are respectively arranged on two opposite sides of one group of the grid, a lifting device for lifting the grid is arranged in each movable cavity, the lifting device is symmetrical to the middle position of the grid, the bottom of the lifting device is in rolling fit with the ground, suspension supporting rods are respectively arranged on the other opposite sides of the grid, the suspension supporting rods are respectively matched on the two sides to form a detachable A-shaped bracket, the top of the A-shaped bracket is detachably and fixedly provided with a suspension device, the lifting end of the suspension device is fixedly provided with the automatic climbing device, an opening is arranged on the grid right below the automatic climbing device, an openable movable small door is arranged at the opening, a telescopic safety net is detachably arranged at the outer side of the opening, and safety and convenience in the process of checking the high place of the runner are improved.

Description

Multifunctional grid cover plate for hydropower station water inlet flow channel inspection

Technical Field

The utility model relates to the technical field of hydropower station overhaul, in particular to a multifunctional grid cover plate for hydropower station water inlet flow channel inspection.

Background

The large hydropower station diversion tunnel inlet is provided with the light steel grating cover plate, when the runner is overhauled, the cover plate needs to be moved, the fence is manually arranged, but the diversion tunnel inlet span is large, the cover plate area is large, the weight is large, the difficulty is large in moving, meanwhile, the height difference from the inlet to the upper flat section of the diversion tunnel is always greater than 50 meters, the personnel are generally adopted for checking up and down, the danger coefficient is large, and the multifunctional cover plate with the characteristics of safe collection protection, portability, flexible lifting points, convenience for the personnel up and down and the like is urgently needed.

Disclosure of Invention

The utility model aims to provide a multifunctional grid cover plate for checking a water inlet runner of a hydropower station, which solves the problem that the water diversion tunnel checking cover plate is poor in heavy convenience and safety.

The utility model aims to overcome the defects, and provides a multifunctional grid cover plate for checking a water inlet flow channel of a hydropower station, which comprises a grid formed by a plurality of flat steels and twisted steel in a staggered mode and an automatic climbing device, wherein a plurality of movable cavities are respectively arranged on two opposite sides of one group of the grid, a lifting device for lifting the grid is arranged in each movable cavity, the lifting device is symmetrical to the middle position of the grid, the bottom of the lifting device is in rolling fit with the ground, hanging support rods are respectively arranged on two opposite sides of the other group of the grid, the hanging support rods are respectively matched on two sides to form a detachable A-shaped support, the top of the A-shaped support is detachably and fixedly provided with the hanging device, an automatic lifting device is fixedly arranged on a hanging end of the hanging device, an opening is arranged on the grid right below the automatic climbing device, an openable movable small door is arranged at the opening, and a telescopic climbing safety net is detachably arranged outside the opening.

Preferably, the lifting devices are four, and the lifting devices are symmetrical with respect to the middle position of the grille.

More preferably, the lifting device comprises a lifting rod, the lifting rod is formed by matching an intersecting horizontal rod and a vertical rod, a hinge rod is arranged in the movable cavity, a locking device is arranged on the hinge rod, one end of the horizontal rod is in braking hinge fit with the hinge rod through the locking device, the other end of the horizontal rod is arranged to be a hand pressing part, a pulley is arranged at one end, far away from the horizontal rod, of the vertical rod, and the vertical rod is in sliding fit with the ground through the pulley.

Further, the horizontal rod and the vertical rod are in braking hinged fit through the first rotary joint.

Preferably, one end of the suspension support rod, which is positioned at the opening of the A-shaped support, is in braking rotary fit with the side wall of the grid, one end of the suspension support rod, which is positioned at the same side, positioned at the top of the A-shaped support is respectively provided with suspension beam fixing frames which are different in shape but matched with each other, the tops of the two suspension support rods are fixedly matched through the anastomosis of the suspension beam fixing frames, and the anastomosed suspension beam fixing frames are reinforced through second fixing bolts.

More preferably, the hanging support rods are detachably and fixedly matched with the side walls of the grids through first fixing bolts after being rotated and laid down, half mounting grooves are respectively formed in the hanging beam fixing frames, the hanging beam fixing frames are matched to form complete mounting grooves after being matched, and the hanging devices are arranged between the mounting grooves.

Further, the hanging device comprises a hanging beam, two ends of the hanging beam are respectively embedded with a mounting groove on the corresponding side to be fixedly matched with the hanging beam, limiting devices are respectively arranged at the ends of the hanging beam and are located on the outer side of a hanging beam fixing frame and form limiting matching with the hanging beam fixing frame, a plurality of second rotating joints are arranged below the hanging beam and are in sliding fit with the bottom of the hanging beam along the extending direction of the hanging beam, hanging points are respectively arranged at the bottoms of the second rotating joints, a main rope and a safety rope are respectively arranged on the hanging points, the hanging points are in one-to-one correspondence with each rope, the automatic climbing devices are arranged on the main rope and the safety rope, and a wireless controller for remotely controlling the automatic climbing devices to lift is arranged on the automatic climbing devices.

Preferably, one end of the movable small door is hinged to the grid at the opening, first telescopic rods are respectively arranged on two sides of one end of the movable small door away from the hinge, the movable small door is supported and matched with the grid through the first telescopic rods, and two ends of the first telescopic rods are fixedly matched with the grid and the movable small door through buckles respectively.

Preferably, the safety net comprises two safety net frames which are oppositely arranged in the vertical direction, the safety net frames are arranged around the grid opening, the bottom safety net frames are detachably and fixedly matched with the grid, second telescopic rods are arranged between the corresponding four corners of the two safety net frames, the top safety net frames are supported and matched with the bottom safety net frames through the second telescopic rods, three safety nets which surround the inside of the frames are arranged between the two safety net frames, and an opening for installing the movable small door is formed in the left surface of the safety net frames.

More preferably, a safety net controller for controlling the expansion and contraction of the safety net is arranged on one side of the safety net frame, and the safety net controller is connected with the second expansion and contraction rod.

The utility model has the beneficial effects that:

1. the utility model is suitable for the high-altitude operation requirement of various runner orifices, and can widen the device according to the requirement;

2. the utility model has simple use, can greatly reduce the problem of difficult operation due to the large weight of the grille by the actions of the telescopic rod, the lifting rod and the like, improves the working efficiency and has strong practicability;

3. the utility model has extremely high adaptability to large-scale power station flow channel inspection and has strong applicability;

4. the utility model has simple manufacture, only consumes a little power after being built, greatly reduces the cost of setting the safety measures and greatly improves the safety of work. .

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of the safety net of the present utility model;

FIG. 3 is a perspective view of the grille of the present utility model;

FIG. 4 is a perspective view of the lifting device of the present utility model;

FIG. 5 is a perspective view of the movable gate of the present utility model;

FIG. 6 is a schematic view of the installation of the suspension device of the present utility model;

FIG. 7 is a schematic view of the top end installation of the suspension strut of the present utility model;

in the figure: 1. lifting the rod; 2. a first swivel; 3. a pulley; 4. a locking device; 5. a movable cavity; 6. flat steel; 7. twist steel; 8. a first fixing bolt; 9. a movable small door; 10. a buckle; 11. a first telescopic rod; 12. A safety net frame; 13. a safety net; 14. a second telescopic rod; 15. hanging a supporting rod; 16. a second swivel; 17. A hanging point; 18. a limiting device; 19. a second fixing bolt; 20. a suspension beam fixing frame; 21. a main rope and a safety rope; 22. a suspension beam; 23. an automatic climbing device; 24. a wireless controller; 25. a safety net controller.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the specific examples.

As shown in fig. 1, as a preferred embodiment 1, a multifunctional grid cover plate for checking a water inlet channel of a hydropower station comprises a grid formed by interlacing a plurality of flat steels 6 and twisted steels 7 and an automatic climbing device 23, wherein a plurality of movable cavities 5 are respectively arranged on two opposite sides of one group of the grid, lifting devices for lifting the grid are respectively arranged in each movable cavity 5, the lifting devices are symmetrical with respect to the middle position of the grid, the bottoms of the lifting devices are in rolling fit with the ground, hanging support rods 15 are respectively arranged on two opposite sides of the other group of the grid, the hanging support rods 15 are respectively matched on two sides to form a detachable a-shaped support, the top of the a-shaped support is detachably and fixedly provided with a hanging device, the hanging end of the hanging device is fixedly provided with the automatic climbing device 23, an opening is arranged on the grid right below the automatic climbing device 23, an openable movable small door 9 is arranged at the opening, and a telescopic safety net 13 is detachably arranged outside the opening.

Embodiment 1 discloses a multi-functional grid apron for power station intake runner inspection, it can make grid and ground break away from through lifting means, and through lifting means's bottom and ground rolling fit, can remove the grid to diversion tunnel entrance, convenient removal, increase the suitability, remove lifting means's locking after adjusting the position, put down the grid again, both sides of grid are equipped with respectively by two suspension support bars 15 cooperation A type supports that constitute, install linkage between the top of A type support, linkage's hanging end is equipped with automatic climbing device 23, utilize automatic climbing device 23 staff can get into in the diversion tunnel from the opening part of grid, the opening part is equipped with the dodge door 9 that can open and shut, need open the dodge door down, the dodge door is closed when not needed, the opening periphery is equipped with the safety net 13 that can stretch out and draw back, guarantee the security.

As a preferred embodiment 2, the number of the lifting devices is four, and the lifting devices are symmetrical with respect to the middle position of the grille in pairs, so that stability after lifting and during moving is ensured.

As shown in fig. 1 and fig. 4, as a preferred embodiment 3, the lifting device includes a lifting rod 1, the lifting rod 1 is formed by matching an intersecting horizontal rod and a vertical rod, a hinge rod is arranged in the movable cavity 5, a locking device 4 is arranged on the hinge rod, one end of the horizontal rod is in braking hinge fit with the hinge rod through the locking device 4, the other end of the horizontal rod is provided with a hand pressing part, one end of the vertical rod far away from the horizontal rod is provided with a pulley 3, and the vertical rod is in sliding fit with the ground through the pulley 3.

When lifting is needed, the braking of the locking device 4 is released, the horizontal rod can rotate around the hinging rod in the movable cavity to ensure that the pulley 3 always contacts the ground, the hand pressing part is pressed down, the lifting rod 1 rotates around the pulley 3, the other end of the horizontal rod is lifted to drive the hinging rod to lift, then the lifting operation is completed through the locking device 4, after all lifting devices complete the lifting operation, the grille is lifted and can be moved, after the lifting devices are moved to a proper position, the braking of the locking device 4 is released, under the action of gravity of the grille, the lifting rod 1 rotates around the hinging rod to enable the grille to contact the ground, and the grille is convenient to move and the whole device is used and stored.

As a preferred embodiment 4, as shown in fig. 4, the horizontal rod is in a brakeable hinged engagement with the vertical rod via a first swivel joint 2. When the lifting device is required to be lifted, the horizontal rod and the vertical rod are fixed at a proper angle, the lifting is convenient, and after the grille contacts the ground, the grille contacts the brake, so that the horizontal rod and the vertical rod can be folded, and the lifting device is convenient to store.

In embodiments 3-4, the first swivel 2 is used to fold the pulley 3, and the locking device 4 is used to rotate and lock the lifting rod 1. The movable cavity 5 is the movable space of the locking device 4, the lifting rod 1 can slide in the movable cavity, when the grille is required to be lifted, the lifting rod 1 is firstly slid to the right side of the movable cavity 5 and then lifted, and the locking device 4 and the movable cavity 5 are blocked to play a locking role. When the lifting rod 1 is put down and slid to the left, the lifting rod can be folded, so that space is saved.

As shown in fig. 1, 6 and 7, as a preferred embodiment 5, one end of the suspension support rod 15 at the opening of the a-shaped bracket is in braking and rotating fit with the side wall of the grid, one end of the suspension support rod 15 at the top of the a-shaped bracket at the same side is respectively provided with suspension beam fixing frames 20 with different shapes but matched with each other, the tops of the two suspension support rods 15 form fixed fit through the anastomosis of the suspension beam fixing frames 20, and the anastomosed suspension beam fixing frames 20 are reinforced through second fixing bolts 19. The stability during suspension is ensured, and the suspension device is convenient to install.

As a preferred embodiment 6, the suspension support rod 15 is detachably and fixedly matched with the side wall of the grille through the first fixing bolt 8 after being turned and laid down, so that the grille is convenient to store, the grille can be assembled into an A-shaped bracket by re-turning in use, half mounting grooves are respectively formed in the suspension beam fixing frames 20, the suspension beam fixing frames 20 are matched to form complete mounting grooves after being matched, and the suspension device is arranged between the mounting grooves, so that the installation of the suspension device is ensured.

As a preferred embodiment 7, the suspension device includes a suspension beam 22, two ends of the suspension beam 22 are respectively embedded and fixedly matched with mounting grooves on corresponding sides, the ends of the suspension beam 22 are respectively provided with a limiting device 18, the limiting devices 18 are located on the outer side of the suspension beam fixing frame 20 and form limiting fit with the suspension beam fixing frame 20, a plurality of second rotating joints 16 are arranged below the suspension beam 22, the second rotating joints 16 are in sliding fit with the bottom of the suspension beam 22 along the extending direction of the suspension beam 22, the bottoms of the second rotating joints 16 are all provided with hanging points 17, the problem that safety ropes are mutually wound in air can be solved, the safety ropes can slide in the track grooves of the suspension beam, the operation is flexible, main ropes and the safety ropes 21 are respectively installed on the hanging points 17, the hanging points 17 are in one-to-one correspondence with each rope, the automatic climbing devices 23 are arranged on the main ropes and the safety ropes 21, and the automatic climbing devices 23 are provided with wireless controllers 24 for remotely controlling the automatic climbing devices 23 to lift. The safe lifting of personnel is ensured.

As a preferred embodiment 8, the automatic climbing device 23 uses an automatic climbing device, the wireless controller 24 is a self-contained control device of the automatic climbing device, the automatic climbing device can be provided with a main rope and 3 safety ropes and can be controlled by the wireless controller 24, the control distance is greater than 100m, the climbing device does not move, and the rope can be wound up to be in a self-contained rope collecting space, so that the safety and convenience of lifting are ensured.

In examples 5-8, the grille consisted of flat steel 6 and twist steel 7, and the specification selection was determined based on the on-site aperture span and the crane load. The grille near the movable small door 9 can be encrypted manually to increase bending resistance and avoid overload at the grille. Two sides of the grille are connected with the movable cavity 5 of the lifting rod 1. The movable small door 9 is put down when not in use, is locked with the grille through the buckle 10, and when in use, the movable small door 9 is properly lifted up, the first telescopic rod 11 is put down, and the buckle 10 is fixed on the twist steel 7. At this time, the controller on the first telescopic rod 11 can be controlled to automatically push the movable small door 9 to an upright state.

After the movable small door 9 is opened, a person can hang the safety belt on the movable small door 9, and in turn hang the safety rope on the hanging point 17 and fix the automatic climbing device 23 on the safety rope. At this point the person can transfer the self-climbing rope specific harness to the main rope and the safety rope 21, both ropes being bound to ensure safety. After the personnel are ready, the auxiliary personnel can control the safety net controller 25 on the safety net 13 to lift the safety net 13 so as to ensure the safety and reliability of the operation area, and the safety net 13 is made of fiber rope net and has good foldability. After the steps are finished, the automatic climbing device 23 can be operated by the wireless controller 24 to perform the up-down of the flow channels of personnel and objects.

As shown in fig. 1 and fig. 5, as a preferred embodiment 9, one end of the movable small door 9 is hinged to the grille at the opening, two sides of the movable small door 9 away from the end at the hinge are respectively provided with a first telescopic rod 11, the movable small door 9 is supported and matched with the grille through the first telescopic rods 11, and two ends of the first telescopic rods 11 are respectively fixedly matched with the grille and the movable small door 9 through buckles 10.

The movable small door 9 is of an upward opening door structure, when the movable small door 9 needs to be used, the first telescopic rod 11 is controlled to extend out, the movable small door 9 is opened upward around the hinged part, so that the grille opening is exposed to conveniently enter the diversion tunnel, when the movable small door 9 does not need to be used, the first telescopic rod 11 is controlled to shrink, the movable small door 9 is closed around the hinged part, the opening upper part of the grille is covered, the opening is prevented from being exposed, and the safety is ensured.

As shown in fig. 1 and 2, as a preferred embodiment 10, the safety net 13 includes two safety net frames 12 oppositely arranged in a vertical direction, the safety net frames 12 are arranged around the grille opening, the bottom safety net frame 12 is detachably and fixedly matched with the grille, second telescopic rods 14 are arranged between the corresponding four corners of the two safety net frames 12, the top safety net frame 12 is supported and matched with the bottom safety net frame 12 through the second telescopic rods 14, three safety net frames 13 surrounding the inside of the frame are arranged between the two safety net frames 12, and an opening for installing the movable small door 9 is arranged on the left surface.

The driving force provided by the second telescopic rod 14 controls the approaching or separating of the safety net frame 12, thereby receiving or supporting the safety net 13.

As a preferred embodiment 11, a safety net controller 25 for controlling the expansion and contraction of the safety net 13 is provided at one side of the safety net frame 12, and the safety net controller 25 is connected to the second expansion and contraction rod 14. The state of the safety net 13 is conveniently controlled.

The working principle of the utility model is as follows:

the utility model provides a multifunctional grid cover plate for checking a water inlet runner of a hydropower station, which comprises a grid, a movable small door 9, a safety net 13, a lifting device, a hanging device and a self-climbing device 23. The user can use to lift up the device light and wholly remove the grid, through opening and close of activity dodge gate 9, reduces the security risk in the work progress, cooperates the hydraulic telescoping rod to fix simultaneously, makes activity dodge gate 9 become the fixed point that can fix the safety rope. When the small door is opened, the hanging device supporting rod 15 is opened and erected from the side face of the grille, the end head of the hanging device supporting rod is provided with a hanging beam fixing frame 20 which is stably abutted, and meanwhile, the hanging device penetrates into the hanging beam fixing frame 20, and the hanging device supporting rod can form a firm whole through the limiting device and the fixing bolt. And then the main rope, the safety rope 21 and the self-climbing device 23 are sequentially arranged, and the safety net 13 is lifted by operating the telescopic rod, wherein the self-climbing device 23 is provided with a wireless controller 24 for controlling the upper and lower runners of personnel and objects, and when the rope is knotted, the rotary joint on the suspension device can be controlled to be released. The multifunctional grid is arranged, so that the safety problem and the operation problem in the operation process of the flow channel inspection high place are effectively solved, the multifunctional grid is applicable to other scenes, and has the advantages of high practicality, low cost, high safety and great significance for daily maintenance of the hydropower station.

Claims (10)

1. A multifunctional grid cover plate for checking a hydropower station water inlet runner comprises a grid formed by a plurality of flat steels (6) and twist steels (7) in a staggered fit mode and an automatic climbing device (23), and is characterized in that,

a plurality of movable cavities (5) are respectively arranged on two opposite sides of one group of the grille, lifting devices for lifting the grille are respectively arranged in each movable cavity (5), the lifting devices are symmetrical about the middle position of the grille, the bottoms of the lifting devices are in rolling fit with the ground, hanging support rods (15) are respectively arranged on the other opposite sides of the other group of the grille, the hanging support rods (15) are respectively matched on the two sides to form a detachable A-shaped bracket, the hanging devices are detachably and fixedly arranged at the tops of the A-shaped brackets, automatic climbing devices (23) are fixedly arranged at the hanging ends of the hanging devices, openings are formed in the grille and are arranged under the automatic climbing devices (23), movable small doors (9) capable of opening and closing are arranged at the openings, and telescopic safety nets (13) are detachably arranged at the outer sides of the openings.

2. The multifunctional grid cover plate for hydropower station water inlet runner inspection according to claim 1, wherein the lifting devices are four, and the lifting devices are symmetrical in pairs with respect to the middle position of the grid.

3. The multifunctional grid cover plate for hydropower station water inlet runner inspection according to claim 2, wherein the lifting device comprises a lifting rod (1), the lifting rod (1) is formed by matching an intersecting horizontal rod and a vertical rod, a hinge rod is arranged in the movable cavity (5), a locking device (4) is arranged on the hinge rod, one end of the horizontal rod is in braking hinge fit with the hinge rod through the locking device (4), the other end of the horizontal rod is provided with a hand pressing part, a pulley (3) is arranged at one end of the vertical rod far away from the horizontal rod, and the vertical rod is in sliding fit with the ground through the pulley (3).

4. A multifunctional grid cover plate for inspection of hydropower station water inlet channels according to claim 3, characterized in that the horizontal and vertical bars are in a brakable hinged fit by means of a first swivel (2).

5. The multifunctional grid cover plate for hydropower station water inlet runner inspection according to claim 1, wherein one end of the hanging support rod (15) located at an opening of the A-shaped support is in braking rotary fit with the side wall of the grid, hanging beam fixing frames (20) which are different in shape but matched with each other are respectively arranged at one end of the hanging support rod (15) located at the top of the A-shaped support, the tops of the two hanging support rods (15) form fixed fit through the anastomosis of the hanging beam fixing frames (20), and the anastomosed hanging beam fixing frames (20) are reinforced through second fixing bolts (19).

6. The multifunctional grid cover plate for hydropower station water inlet runner inspection according to claim 5, wherein the hanging support rods (15) are detachably and fixedly matched with the side walls of the grids through first fixing bolts (8) after being turned and laid down, half mounting grooves are respectively formed in the hanging beam fixing frames (20), the hanging beam fixing frames (20) are matched to form complete mounting grooves after being matched, and the hanging devices are arranged between the mounting grooves.

7. The multifunctional grid cover plate for hydropower station water inlet runner inspection according to claim 6, wherein the suspension device comprises a suspension beam (22), two ends of the suspension beam (22) are respectively embedded and fixedly matched with corresponding side mounting grooves, limiting devices (18) are respectively arranged at the ends of the suspension beam (22), the limiting devices (18) are located on the outer sides of the suspension beam fixing frames (20) and form limiting matching with the suspension beam fixing frames (20), a plurality of second rotating joints (16) are arranged below the suspension beam (22), the second rotating joints (16) are in sliding fit with the bottoms of the suspension beam (22) along the extending direction of the suspension beam (22), hanging points (17) are respectively arranged at the bottoms of the second rotating joints (16), main ropes and safety ropes (21) are respectively arranged on the hanging points (17), the hanging points (17) are in one-to-one correspondence with each rope, automatic climbing devices (23) are arranged on the main ropes and the safety ropes (21), and wireless controllers (24) for remotely controlling the automatic climbing devices (23) to lift.

8. The multifunctional grid cover plate for hydropower station water inlet runner inspection according to claim 1, wherein one end of the movable small door (9) is hinged to the grid at the opening, first telescopic rods (11) are respectively arranged on two sides of one end, away from the hinged position, of the movable small door (9), the movable small door (9) is supported and matched with the grid through the first telescopic rods (11), and two ends of the first telescopic rods (11) are fixedly matched with the grid and the movable small door (9) through buckles (10) respectively.

9. The multifunctional grid cover plate for hydropower station water inlet runner inspection according to claim 1, wherein the safety net (13) comprises two safety net frames (12) which are oppositely arranged in the vertical direction, the safety net frames (12) are arranged around the grid opening, the bottom safety net frames (12) are detachably and fixedly matched with the grid, second telescopic rods (14) are arranged between the corresponding four corners of the two safety net frames (12), the top safety net frames (12) are supported and matched with the bottom safety net frames (12) through the second telescopic rods (14), three safety net frames (13) which encircle the inside of the frames are arranged between the two safety net frames (12), and an opening for installing the movable small door (9) is arranged on the left surface.

10. The multifunctional grid cover plate for hydropower station water inlet runner inspection according to claim 9, wherein one side of the safety net frame (12) is provided with a safety net controller (25) for controlling the expansion and contraction of the safety net (13), and the safety net controller (25) is connected with the second expansion and contraction rod (14).