CN220149040U

CN220149040U - Electric wheel edge brake for crane

Info

Publication number: CN220149040U
Application number: CN202321656174.4U
Authority: CN
Inventors: 刘卫斌
Original assignee: Hubei Zhuoneng Lifting Machinery Co ltd
Current assignee: Hubei Zhuoneng Lifting Machinery Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-12-08
Anticipated expiration: 2033-06-28

Abstract

The utility model relates to the technical field of brakes, and discloses an electric wheel-side brake for a crane, which comprises a base, wherein mounting grooves are formed in the left side and the right side of the base, mounting shafts are arranged between the front side and the rear side of the inner wall of each mounting groove, brake arms are arranged on the outer sides of each mounting shaft, a brake assembly positioned above the base is arranged between each brake arm, connecting blocks are arranged at the bottoms of each brake arm, and connecting grooves are formed in the opposite sides of each connecting block. This electric wheel limit stopper for hoist drives two locating pieces through twisting two hand wheels and moves down, makes two locating pieces shift out respectively from two constant head tanks to remove the position restriction to the extension piece, alright take out the extension piece from the spread groove this moment, with this come to dismantle the brake shoe, thereby realized the purpose of being convenient for dismantle the brake shoe, and then made things convenient for changing the brake shoe.

Description

Electric wheel edge brake for crane

Technical Field

The utility model relates to the technical field of brakes, in particular to an electric wheel-side brake for a crane.

Background

The portal crane is a large-scale machine widely used in railway freight yards, ports, wharfs and other places for loading and unloading large heavy cargoes and containers, along with the development of domestic economy, the market demand of the portal crane is more and more vigorous, but the situation of strong convection weather instantaneous sudden strong wind occurs in coastal areas, and the whole tipping of the crane can possibly cause serious safety, so that the current crane generally adopts a method of arranging an electric wheel brake on wheels to improve braking force for preventing wheels from rolling on a track under the action of wind power, thereby realizing better wind resistance effect, but the existing electric wheel brake is inconvenient to detach due to the fact that the brake tiles on the brake are mostly fixedly installed, so that the brake tiles are inconvenient to replace rapidly after being excessively worn, and the electric wheel brake for the crane is provided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the electric wheel-side brake for the crane, which has the advantages of convenience in disassembling a brake shoe and the like, and solves the problem that the brake shoe on the existing electric wheel-side brake is inconvenient to disassemble due to the fact that the brake shoe is mostly fixedly installed in the using process, so that the brake shoe is inconvenient to replace quickly after being excessively worn.

(II) technical scheme

In order to achieve the aim of facilitating the disassembly of the brake shoe, the utility model provides the following technical scheme: the electric wheel side brake for the crane comprises a base, mounting grooves are formed in the left side and the right side of the base, mounting shafts are arranged between the front side and the rear side of the inner wall of each mounting groove, brake arms are arranged on the outer sides of each mounting shaft, a brake component positioned above the base is arranged between each brake arm, connecting blocks are arranged at the bottoms of each brake arm, connecting grooves are formed in the opposite sides of each connecting block, extending blocks with one ends extending to the opposite sides of the two connecting blocks are arranged in the connecting grooves, brake shoes are arranged on the opposite sides of each extending block, a shell is arranged at the bottoms of each connecting block, a sliding block is arranged between the left side and the right side of the inner wall of each shell, positioning grooves are formed in the bottoms of each extending block, the top of slider all is provided with one end and extends to the inside locating piece of two constant head tanks respectively, two all be provided with the fixed plate that is located the slider below between the inner wall front and back both sides of casing, two the bottom of fixed plate all is provided with one end respectively with two casing inner bottom wall swing joint's threaded rod, two all be provided with respectively with two threaded rod outside threaded connection's traction block between the inner wall left and right sides of casing, two traction block's top left and right sides all is provided with the traction lever, left side two traction lever's top all is with the bottom fixed connection of left side sliding block and the top of two traction levers on the right side all with the bottom fixed connection of right side sliding block, two the inner bottom wall of casing all is provided with one end respectively with two threaded rod outside fixed connection and the other end extends to the drive assembly of two casings opposite sides respectively.

Preferably, the brake assembly comprises a frame body, the frame body is located above the base and located between the two brake arms, a fixed block is fixedly installed in the frame body, moving blocks with one ends extending to the left side and the right side of the frame body respectively and being movably connected with the opposite sides of the two brake arms are movably installed on the left side and the right side of the frame body respectively, hydraulic cylinders are fixedly installed on the left side and the right side of the fixed block respectively, and output ends of the two hydraulic cylinders are fixedly connected with the opposite sides of the two moving blocks respectively.

Preferably, the drive assembly comprises a supporting block, two supporting blocks which are respectively positioned on the opposite sides of the two threaded rods are fixedly arranged on the inner bottom wall of the shell, two rotating shafts with one ends extending to the opposite sides of the two shells are movably arranged on the opposite sides of the supporting blocks respectively, driving bevel gears are fixedly arranged on the opposite sides of the rotating shafts, driven bevel gears which are positioned below the traction blocks and are meshed with the two driving bevel gears are fixedly arranged on the outer sides of the threaded rods, and hand wheels are fixedly arranged on the opposite sides of the rotating shafts.

Preferably, first bearings are fixedly arranged on the front side and the rear side of the inner wall of each mounting groove, and the mounting shaft is rotatably connected with the inner wall of each mounting groove through the first bearings.

Preferably, the opposite sides of the two brake arms are fixedly provided with rotating blocks positioned above the base, and the moving blocks are movably connected with the brake arms through the rotating blocks.

Preferably, the bottoms of the two fixing plates and the inner bottom walls of the two shells are fixedly provided with second bearings, and the threaded rods are respectively connected with the fixing plates and the shells in a rotating manner through the second bearings.

(III) beneficial effects

Compared with the prior art, the utility model provides the electric wheel-side brake for the crane, which has the following beneficial effects:

this electric wheel limit stopper for hoist drives two pivots and two drive bevel gears through twisting two hand wheels and rotates, and then drives two threaded rods through two driven bevel gears and rotate, and two threaded rods then can drive two traction blocks and move down at rotatory in-process, and then drive two sliders and two locating pieces and move down through the traction rod, make two locating pieces shift out from the inside of two constant head tanks respectively, thereby release the position restriction to two extension pieces, alright take out the extension piece from the inside of spread groove at this moment, with this to dismantle the brake shoe, thereby realized the purpose of being convenient for dismantle the brake shoe, and then made things convenient for changing the brake shoe.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view partially schematic cross-sectional view of the left mounting shaft of the present utility model;

fig. 3 is an enlarged view of fig. 1 at a in accordance with the present utility model.

In the figure: 1 base, 2 mounting groove, 3 installation axle, 4 braking arm, 5 braking subassembly, 51 framework, 52 fixed block, 53 movable block, 54 pneumatic cylinder, 6 connecting block, 7 spread groove, 8 extension piece, 9 braking tile, 10 casing, 11 slider, 12 constant head tank, 13 locating piece, 14 fixed plate, 15 threaded rod, 16 traction block, 17 traction rod, 18 drive assembly, 181 supporting block, 182 pivot, 183 drive bevel gear, 184 driven bevel gear, 185 hand wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a crane is with electronic limit stopper, includes base 1, mounting groove 2 has all been seted up to the left and right sides of base 1, and both sides are the opening design about the inner wall of two mounting grooves 2, and equal movable mounting has installation axle 3 between the inner wall front and back both sides of two mounting grooves 2, and both sides all fixed mounting has first bearing around the inner wall of two mounting grooves 2, and installation axle 3 rotates with the inner wall of mounting groove 2 through first bearing to be connected, and the equal fixed mounting in the outside of two installation axles 3 has brake arm 4.

The brake assembly 5 above the base 1 is movably mounted between the two brake arms 4, the brake assembly 5 comprises a frame body 51, the frame body 51 is located above the base 1 and between the two brake arms 4, a fixed block 52 is fixedly mounted inside the frame body 51, movable blocks 53 with one ends extending to the left side and the right side of the frame body 51 respectively and being movably connected with the opposite sides of the two brake arms 4 are movably mounted on the left side and the right side of the frame body 51 respectively, rotating blocks located above the base 1 are fixedly mounted on the opposite sides of the two brake arms 4, the movable blocks 53 are movably connected with the brake arms 4 through the rotating blocks, hydraulic cylinders 54 are fixedly mounted on the left side and the right side of the fixed block 52, the model number of each hydraulic cylinder 54 is 140L, and the output ends of the two hydraulic cylinders 54 are fixedly connected with the opposite sides of the two movable blocks 53 respectively.

The bottom of two braking arms 4 all movable mounting has connecting block 6, and connecting groove 7 has all been seted up to the opposite side of two connecting blocks 6, and the inside of two connecting grooves 7 all movable mounting has one end to extend to the extension piece 8 of two opposite sides of connecting block 6, and the opposite side of two extension pieces 8 all fixedly mounted has brake shoe 9.

The bottom of two connecting blocks 6 is all fixed mounting has casing 10, and the interior roof of two casings 10 is the opening design, all movable mounting has slider 11 between the inner wall left and right sides of two casings 10, and constant head tank 12 has all been seted up to the bottom of two extension pieces 8, and the equal fixed mounting in top of two sliders 11 has one end to extend to the inside locating piece 13 of two constant head tanks 12 respectively.

The fixed plates 14 positioned below the sliding blocks 11 are fixedly installed between the front side and the rear side of the inner wall of the two shells 10, threaded rods 15 with one ends respectively movably connected with the inner bottom walls of the two shells 10 are movably installed at the bottoms of the two fixed plates 14, second bearings are fixedly installed at the bottoms of the two fixed plates 14 and the inner bottom walls of the two shells 10, the threaded rods 15 are respectively and rotatably connected with the fixed plates 14 and the shells 10 through the second bearings, traction blocks 16 respectively connected with the outer side threads of the two threaded rods 15 are movably installed between the left side and the right side of the inner wall of the two shells 10, threaded holes respectively matched with the two threaded rods 15 are formed in the two traction blocks 16, traction rods 17 are fixedly installed at the left side and the right side of the top of the two traction rods 16, the tops of the two traction rods 17 on the left side are fixedly connected with the bottom of the left side sliding block 11, and the tops of the two traction rods 17 on the right side are fixedly connected with the bottom of the right side sliding block 11.

The inner bottom wall of two casings 10 all fixed mounting has one end respectively with two threaded rods 15 outside fixed connection and the other end extends to the drive assembly 18 of two casings 10 opposite sides respectively, drive assembly 18 includes supporting shoe 181, the equal fixed mounting of inner bottom wall of two casings 10 has the supporting shoe 181 that is located two threaded rods 15 opposite sides respectively, the equal movable mounting of opposite sides of two supporting shoes 181 has one end to extend to the pivot 182 of two casings 10 opposite sides respectively, the first mounting hole with pivot 182 looks adaptation has all been seted up to the opposite sides of two supporting shoes 181, the second mounting hole with pivot 182 looks adaptation has all been seted up on the opposite side inner wall of two casings 10, the equal fixed mounting of opposite sides of two pivot 182 has drive bevel gears 183, the equal fixed mounting in the outside of two threaded rods 15 is located the driven bevel gears 184 that traction block 16 below and one end meshed with two drive bevel gears 183 respectively, the equal fixed mounting of opposite sides of two pivot 182 has hand wheel 185.

In use, the two hydraulic cylinders 54 are started to drive the two moving blocks 53 to move oppositely, so that the left brake arm 4 is driven to rotate anticlockwise, the right brake arm 4 is driven to rotate clockwise, the two brake shoes 9 are driven to move relatively, so as to clamp the wheels, the wheels are braked, when the brake shoes 9 are excessively worn and need to be replaced, the two rotating shafts 182 and the two driving bevel gears 183 can be driven to rotate by screwing the two hand wheels 185, the two threaded rods 15 are driven to rotate by the two driven bevel gears 184, the two threaded rods 15 can drive the two traction blocks 16 to move downwards in the rotating process, and then the two slide blocks 11 and the two positioning blocks 13 are driven to move downwards through the traction rod 17, so that the two positioning blocks 13 are respectively moved out of the two positioning grooves 12, the position limitation of the two extending blocks 8 is relieved, at the moment, the extending blocks 8 can be pulled out of the connecting grooves 7, the brake shoe 9 is detached, the extending blocks 8 on the two new brake shoes 9 are respectively inserted into the two connecting grooves 7, then the two hand wheels 185 are respectively screwed reversely, so that the two positioning blocks 13 are respectively moved into the two positioning grooves 12, and the two extending blocks 8 are fixed, so that the replacement operation of the brake shoe 9 is completed.

In summary, this electric wheel limit stopper for hoist drives two pivots 182 and two drive bevel gears 183 through twisting two hand wheels 185 and rotates, and then drive two threaded rods 15 through two driven bevel gears 184 and rotate, and two threaded rods 15 then can drive two traction blocks 16 and move down at rotatory in-process, and then drive two sliders 11 and two locating pieces 13 through traction rod 17 and move down, make two locating pieces 13 shift out respectively from the inside of two constant head tanks 12, thereby remove the position restriction to two extension pieces 8, alright take extension piece 8 out from the inside of spread groove 7 at this moment, thereby come to dismantle brake shoe 9, thereby the purpose of being convenient for dismantle brake shoe 9 is realized, and then be convenient for change brake shoe 9, the problem that the inconvenient quick change of carrying out after the excessive wearing and tearing of brake shoe is inconvenient because the brake shoe on the stopper is mostly fixed installation in the use has been solved to current electric wheel limit stopper.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a crane is with electronic limit stopper, includes base (1), the left and right sides of base (1) all is provided with mounting groove (2), two all be provided with installation axle (3) between the inner wall front and back both sides of mounting groove (2), two the outside of installation axle (3) all is provided with braking arm (4), two be provided with between braking arm (4) and be located brake subassembly (5) of base (1) top, two the bottom of braking arm (4) all is provided with connecting block (6), two the opposite side of connecting block (6) all is provided with spread groove (7), two the inside of spread groove (7) all is provided with extension piece (8) that one end extends to two opposite sides of connecting block (6), two the opposite side of extension piece (8) all is provided with brake shoe (9), its characterized in that: the bottom of the two connecting blocks (6) is provided with a shell (10), sliding blocks (11) are arranged between the left side and the right side of the inner wall of the shell (10), the bottoms of the two extending blocks (8) are provided with positioning grooves (12), the tops of the two sliding blocks (11) are provided with positioning blocks (13) with one ends respectively extending to the interiors of the two positioning grooves (12), a fixed plate (14) positioned below the sliding blocks (11) is arranged between the front side and the rear side of the inner wall of the shell (10), the bottoms of the two fixed plates (14) are provided with threaded rods (15) with one ends respectively movably connected with the inner walls of the two shells (10), traction blocks (16) with the outer sides of the two threaded rods (15) are arranged between the left side and the right side of the inner wall of the two shells (10), the left side and the right side of the top of the two traction blocks (16) are respectively provided with traction rods (17), the tops of the left side and the right side of the two traction rods (17) are fixedly connected with the bottom of the left side sliding block (11) and the bottom of the two traction blocks (17) are fixedly connected with the bottom of the two traction blocks (11), the inner bottom walls of the two shells (10) are respectively provided with a driving component (18) of which one end is fixedly connected with the outer sides of the two threaded rods (15) respectively and the other ends extend to the opposite sides of the two shells (10) respectively.

2. The electric rim brake for a crane of claim 1, wherein: the brake assembly (5) comprises a frame body (51), the frame body (51) is located above the base (1) and between two brake arms (4), a fixed block (52) is fixedly installed in the frame body (51), movable blocks (53) with one ends extending to the left side and the right side of the frame body (51) respectively and being movably connected with the opposite sides of the two brake arms (4) are movably installed on the left side and the right side of the frame body respectively, hydraulic cylinders (54) are fixedly installed on the left side and the right side of the fixed block (52), and output ends of the two hydraulic cylinders (54) are fixedly connected with the opposite sides of the two movable blocks (53) respectively.

3. The electric rim brake for a crane of claim 1, wherein: the drive assembly (18) comprises support blocks (181), wherein the inner bottom walls of the shells (10) are fixedly provided with support blocks (181) which are respectively positioned on the opposite sides of the two threaded rods (15), the opposite sides of the support blocks (181) are movably provided with rotating shafts (182) with one ends respectively extending to the opposite sides of the two shells (10), the opposite sides of the rotating shafts (182) are fixedly provided with drive bevel gears (183), the outer sides of the threaded rods (15) are fixedly provided with driven bevel gears (184) which are positioned below the traction blocks (16) and are meshed with the two drive bevel gears (183) respectively, and the opposite sides of the rotating shafts (182) are fixedly provided with hand wheels (185).

4. The electric rim brake for a crane of claim 1, wherein: the two front and rear sides of the inner wall of the mounting groove (2) are fixedly provided with first bearings, and the mounting shaft (3) is rotatably connected with the inner wall of the mounting groove (2) through the first bearings.

5. A crane electric rim brake as claimed in claim 2, wherein: the opposite sides of the two braking arms (4) are fixedly provided with rotating blocks positioned above the base (1), and the moving blocks (53) are movably connected with the braking arms (4) through the rotating blocks.

6. The electric rim brake for a crane of claim 1, wherein: the bottoms of the two fixing plates (14) and the inner bottom walls of the two shells (10) are fixedly provided with second bearings, and the threaded rods (15) are respectively and rotatably connected with the fixing plates (14) and the shells (10) through the second bearings.