CN217417961U

CN217417961U - Bridge crane for hydropower station

Info

Publication number: CN217417961U
Application number: CN202220835633.4U
Authority: CN
Inventors: 王德勇
Original assignee: Honghe Guangyuan Madushan Hydropower Development Co ltd
Current assignee: Honghe Guangyuan Madushan Hydropower Development Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-09-13
Anticipated expiration: 2032-04-07

Abstract

The utility model provides a bridge crane for power station. The bridge crane for the hydropower station comprises a bridge crane body comprising an end beam, a movable trolley frame and a rack, wherein the rack is fixed at the top of the end beam, and the movable trolley frame moves on a track and the rack on the end beam through a trolley wheel set; and the stopping and fixing mechanism is arranged on one side of the frame of the mobile trolley and is positioned right above the rack. The utility model provides a bridge crane for power station has and when installing heavy object after the travelling car hoists the heavy object and stops, can pin the travelling car on horizontal, avoids the travelling car lateral slight movement or rocks, effectively guarantees the advantage of the accurate position installation in heavy object hoist back.

Description

Bridge crane for hydropower station

Technical Field

The utility model relates to a hoist technical field especially relates to a bridge crane for power station.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. It is called a bridge crane because its two ends are seated on a tall concrete column or a metal support, shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to lift materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity. In the construction of hydropower stations, bridge cranes are used. The movable trolley on the double-beam bridge crane moves on the tracks on the two end beams, the trolley wheel set of the movable trolley is provided with a gear, the end beams are provided with racks along the end beams, and the gear is driven by a speed reduction motor of the movable trolley to rotate, so that the gear moves on the racks, the movable trolley transversely moves on the end beams, and a heavy object hung under the movable trolley transversely moves.

However, bridge crane is in long-term use, the tooth of the rack on the end beam and the long-term contact friction of gear, the tooth that can make on the rack receives wearing and tearing with the position of gear contact, thereby the tooth that can make the rack can not mesh with the gear completely, can make the travelling car stop like this, the rack can not pin the gear completely, when installing to the heavy object accuracy, slight lateral shifting can take place for the travelling car, transversely rock even, thereby be not convenient for carry out accurate installation to the heavy object of hoisting.

Therefore, there is a need to provide a new bridge crane for hydroelectric power plants to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a can hang the heavy object after the heavy object stops and when installing to the heavy object at the travelling car, can pin the travelling car on horizontal, avoid the travelling car transversely slightly to move or rock, the bridge crane for hydropower station of accurate position installation after effectively guaranteeing the heavy object to hang.

In order to solve the technical problem, the utility model provides a bridge crane for power station includes: the bridge crane comprises a bridge girder, a movable trolley frame and a bridge crane body with a rack, wherein the rack is fixed at the top of the bridge girder, and the movable trolley frame moves on a track and the rack on the bridge girder through a trolley wheel set; and the stopping and fixing mechanism is arranged on one side of the frame of the mobile trolley and is positioned right above the rack.

Preferably, stop fixed establishment including framework, mounting panel, mount pad, a plurality of fixture block and lift actuating mechanism, horizontal fine-tuning, framework fixed mounting is in one side of removing the dolly frame, the mounting panel is located in the framework, the mount pad is located the below of mounting panel is a plurality of the equal fixed mounting of fixture block is in the bottom of mount pad is a plurality of the interval between the fixture block corresponds with the distance between the tooth on the rack, elevating system locates on the mounting panel, horizontal fine-tuning locates the framework with on the mounting panel.

Preferably, the lifting driving mechanism comprises a threaded sleeve, a first screw, a lifting motor, two bevel gears and four limiting rods, the threaded sleeve is rotatably arranged on the mounting plate, the first screw is arranged on the inner wall of the threaded sleeve in a threaded manner, the two ends of the first screw rod extend to the outside of the threaded sleeve, the lifting motor is fixedly arranged at the top of the mounting plate, the two conical gears are fixedly sleeved on the output shaft of the lifting motor and the threaded sleeve respectively, the two conical gears are meshed with each other, the four limiting rods are fixedly arranged at the top of the mounting seat, the four limiting rods are distributed in a rectangular shape, four slide holes, four are formed in the mounting plate, the limiting rods are respectively connected with the four slide holes in a sliding mode, and limiting blocks are fixedly mounted at the top ends of the limiting rods.

Preferably, horizontal fine-tuning is including second screw rod, slide bar, two connecting plates, moving motor, worm and worm wheel, the second screw rod rotates to be installed on the both sides inner wall of framework, slide bar fixed mounting be in on the both sides inner wall of framework, two connecting plate symmetry fixed mounting be in the top of mounting panel, two the connecting plate all with second screw rod threaded connection, and all with slide bar sliding connection, moving motor fixed mounting be in on the top inner wall of framework, worm fixed mounting be in on moving motor's the output shaft, the worm wheel rotates the cover and establishes on the second screw rod, the worm wheel with the worm meshes mutually.

Preferably, an industrial camera is fixedly mounted on one side of the frame body, the industrial camera is located right above the rack, and a controller is fixedly mounted on the top of the frame body.

Compared with the prior art, the utility model provides a bridge crane for power station has following beneficial effect:

the utility model provides a bridge crane for power station:

through stopping fixed establishment, can hang the heavy object when installing to the heavy object after the heavy object stops at the travelling car of bridge crane body, can pin the travelling car in horizontal, can not cause the travelling car to transversely slightly remove or rock because can not mesh completely between the gear that rack and gear wearing and tearing caused, effectively guaranteed the accurate position installation after the heavy object hangs.

Drawings

Fig. 1 is a schematic side view of a preferred embodiment of a bridge crane for a hydropower station according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic front view of the present invention;

FIG. 4 is an enlarged view of the portion B shown in FIG. 3;

fig. 5 is a schematic view of the top view structure of the middle level fine adjustment mechanism of the present invention.

The reference numbers in the figures: 1. a frame body; 2. mounting a plate; 3. a mounting seat; 4. a clamping block; 5. a threaded sleeve; 6. a first screw; 7. a lifting motor; 8. a bevel gear; 9. a limiting rod; 10. a second screw; 11. a slide bar; 12. a connecting plate; 13. a moving motor; 14. a worm; 15. a worm gear; 16. an industrial camera; 17. a controller; 18. an end beam; 19. a frame of the movable trolley; 20. a rack.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1-5, wherein fig. 1 is a schematic side view of a bridge crane for a hydropower station according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; fig. 3 is a schematic front view of the present invention; FIG. 4 is an enlarged view of the portion B shown in FIG. 3; fig. 5 is a schematic top view of the fine adjustment mechanism of the present invention. Bridge crane for a hydroelectric power station comprising: the bridge crane comprises a bridge crane body comprising an end beam 18, a movable trolley frame 19 and a rack 20, wherein the rack 20 is fixed at the top of the end beam 18, and the movable trolley frame 19 moves on a track on the end beam 18 and the rack 20 through a trolley wheel set; and the stopping and fixing mechanism is arranged on one side of the movable trolley frame 19 and is positioned right above the rack 20.

Stop fixed establishment including framework 1, mounting panel 2, mount pad 3, a plurality of fixture block 4 and lift actuating mechanism, horizontal fine-tuning, framework 1 fixed mounting is in one side of travelling car frame 19, mounting panel 2 is located in the framework 1, mount pad 3 is located the below of mounting panel 2, it is a plurality of the equal fixed mounting of fixture block 4 is in the bottom of mount pad 3, it is a plurality of the interval between the fixture block 4 corresponds with the distance between the tooth on the rack 20, elevating system locates on mounting panel 2, horizontal fine-tuning locates framework 1 with on the mounting panel 2, through stopping fixed establishment, can pin the travelling car in horizontal, when the tooth of rack 20 and gear long-term friction caused wearing and tearing, avoid the travelling car to take place horizontal slight removal or transversely rock.

The lifting driving mechanism comprises a threaded sleeve 5, a first screw 6, a lifting motor 7, two bevel gears 8 and four limiting rods 9, the threaded sleeve 5 is rotatably installed on the mounting plate 2, the first screw 6 is installed on the inner wall of the threaded sleeve 5 in a threaded manner, the two ends of the first screw 6 extend out of the threaded sleeve 5, the lifting motor 7 is fixedly installed at the top of the mounting plate 2, the two bevel gears 8 are fixedly sleeved on the output shaft of the lifting motor 7 and the threaded sleeve 5 respectively, the two bevel gears 8 are meshed with each other, the four limiting rods 9 are fixedly installed at the top of the mounting seat 3, the four limiting rods 9 are distributed in a rectangular manner, four sliding holes are formed in the mounting plate 2, and the four limiting rods 9 are in sliding connection with the four sliding holes respectively, four the top of gag lever post 9 is all fixed mounting has the stopper, can make a plurality of fixture blocks 4 go up and down through elevating system to can make a plurality of fixture blocks 4 block the tooth clearance of rack 20.

The horizontal fine adjustment mechanism comprises a second screw rod 10, a sliding rod 11, two connecting plates 12, a movable motor 13, a worm 14 and a worm wheel 15, the second screw rod 10 is rotatably installed on the inner walls of the two sides of the frame body 1, the sliding rod 11 is fixedly installed on the inner walls of the two sides of the frame body 1, the two connecting plates 12 are symmetrically and fixedly installed at the top of the installation plate 2, the two connecting plates 12 are both in threaded connection with the second screw rod 10 and are both in sliding connection with the sliding rod 11, the movable motor 13 is fixedly installed on the inner wall of the top of the frame body 1, the worm 14 is fixedly installed on an output shaft of the movable motor 13, the worm wheel 15 is rotatably sleeved on the second screw rod 10, the worm wheel 15 is meshed with the worm 14, and when a transverse gap is generated due to incomplete meshing between the rack 20 and the gear caused by abrasion of teeth of the rack 20 through the fine adjustment mechanism, the plurality of blocks 4 can be slightly moved transversely, so that the blocks can be just completely clamped with the tooth gaps of the rack 20.

One side fixed mounting of framework 1 has industry camera 16, industry camera 16 is located rack 20 directly over, the top fixed mounting of framework 1 has controller 17, can accurately judge the distance that a plurality of fixture blocks 4 need to remove on horizontal through industry camera 16.

The utility model provides a theory of operation for bridge crane of power station as follows: when the device is used, a heavy object is lifted from a bridge crane body for installation, after a moving trolley for lifting the heavy object stops, the tooth position of the rack 20 below is scanned through the industrial camera 16, so that the moving motor 13 is started through the controller 17 to drive the worm 14 to rotate, the worm 14 drives the worm wheel 15 to rotate, the worm wheel 15 drives the second screw rod 10 to rotate, the two connecting plates 12 synchronously slightly move on the second screw rod 10 and the sliding rod 11, and the clamping blocks 4 are located right above tooth gaps on the rack 20;

then the controller 17 starts the lifting motor 7, the two bevel gears 8 drive the threaded sleeve 5 to rotate, thereby driving the first screw rod 6 to descend, the first screw rod 6 drives the plurality of fixture blocks 4 to descend through the mounting seat 3 until the fixture blocks are propped against gaps among a plurality of continuous teeth on the rack 20, because the teeth on the rack 20 and the positions of contact friction with the gear are on the upper sections of the teeth, the upper sections of the teeth on the upper sections of the rack 20 can be worn, and the lower sections of the teeth are not in contact with the gear and are not worn, so the fixture blocks 4 can be sufficiently clamped with the fixture blocks 4, thereby the fixture blocks 4 and the rack 20 can not transversely move, the problem that the teeth and the rack 20 cannot be completely locked due to the wear of the rack 20 and the gear is avoided, and when the moving trolley of the body of the bridge crane is lifted and stops moving, the moving trolley can not transversely and slightly move, the transverse shaking of the movable trolley is avoided, and the accurate position installation after the heavy object is lifted is effectively ensured.

the utility model provides a bridge crane for power station, through stopping fixed establishment, can hang the heavy object after the heavy object is installed to the travelling car of bridge crane body, can pin the travelling car on horizontal, can not cause the travelling car to transversely slightly remove or rock because can not mesh completely between the gear and the rack 20 that rack 20 and gear wear caused, effectively guaranteed the accurate position installation after the heavy object hangs.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the design principle, the settings of the power mechanism, the power supply system, the control system, and the like of the device are not completely described, and on the premise that the skilled person understands the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known;

furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise;

in addition, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or integral parts; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. Bridge crane for hydroelectric power stations, characterized in that it comprises:

the bridge crane comprises a bridge girder, a mobile trolley frame and a bridge crane body of a rack, wherein the rack is fixed at the top of the bridge girder, and the mobile trolley frame moves on a track and the rack on the bridge girder through a trolley wheel set;

and the stopping and fixing mechanism is arranged on one side of the frame of the mobile trolley and is positioned right above the rack.

2. The bridge crane for hydropower stations as claimed in claim 1, wherein the stopping fixing mechanism comprises a frame body, a mounting plate, a mounting seat, a plurality of clamping blocks, a lifting driving mechanism and a horizontal fine adjustment mechanism, the frame body is fixedly mounted on one side of a frame of the mobile trolley, the mounting plate is arranged in the frame body, the mounting seat is arranged below the mounting plate, the clamping blocks are fixedly mounted at the bottom of the mounting seat, the distance between the clamping blocks corresponds to the distance between teeth on the rack, the lifting driving mechanism is arranged on the mounting plate, and the horizontal fine adjustment mechanism is arranged on the frame body and the mounting plate.

3. The bridge crane for hydropower stations as claimed in claim 2, wherein the lifting driving mechanism comprises a threaded sleeve, a first screw, a lifting motor, two bevel gears and four limiting rods, the threaded sleeve is rotatably mounted on the mounting plate, the first screw is threadedly mounted on the inner wall of the threaded sleeve, two ends of the first screw extend out of the threaded sleeve, the lifting motor is fixedly mounted on the top of the mounting plate, the two bevel gears are fixedly sleeved on the output shaft of the lifting motor and the threaded sleeve respectively, the two bevel gears are engaged with each other, the four limiting rods are fixedly mounted on the top of the mounting seat, the four limiting rods are distributed in a rectangular shape, the mounting plate is provided with four sliding holes, and the four limiting rods are slidably connected with the four sliding holes respectively, four the top of gag lever post is all fixed mounting has the stopper.

4. The bridge crane for the hydropower station as claimed in claim 2, wherein the horizontal fine adjustment mechanism comprises a second screw, a slide rod, two connecting plates, a moving motor, a worm and a worm wheel, the second screw is rotatably mounted on the inner walls of the two sides of the frame body, the slide rod is fixedly mounted on the inner walls of the two sides of the frame body, the two connecting plates are symmetrically and fixedly mounted on the top of the mounting plate, the two connecting plates are both in threaded connection with the second screw and are both in sliding connection with the slide rod, the moving motor is fixedly mounted on the inner wall of the top of the frame body, the worm is fixedly mounted on an output shaft of the moving motor, the worm wheel is rotatably sleeved on the second screw, and the worm wheel is meshed with the worm.

5. The bridge crane for the hydropower station as claimed in claim 2, wherein an industrial camera is fixedly mounted on one side of the frame body, the industrial camera is positioned right above the rack, and a controller is fixedly mounted on the top of the frame body.