CN219507505U

CN219507505U - Novel bridge crane

Info

Publication number: CN219507505U
Application number: CN202320467992.3U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Henan Zhengda Crane Equipment Co ltd
Current assignee: Henan Zhengda Crane Equipment Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-11
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a novel bridge crane, which comprises end beams, main beams and a trolley frame, wherein vertical plates are fixedly connected to the front side wall and the rear side wall of the trolley frame, horizontal plates are arranged below each main beam, the bottoms of the vertical plates are fixedly connected to the tops of the horizontal plates, and two guide posts are fixedly connected to the bottoms of the two horizontal plates; the lifting appliance comprises a mounting plate, the top of the mounting plate is connected with a steel wire rope through a movable pulley block, sliding columns matched with the guide columns are fixedly connected to four corners of the top of the mounting plate, and the sliding columns are connected in the inner cavities of the guide columns in a sliding manner; sliding grooves are formed in the outer side walls of the two main beams, sliding blocks matched with the sliding grooves are fixedly connected to the inner side walls of the vertical plates, and the sliding blocks are slidably connected in the sliding grooves. The arrangement of the vertical plate enables part of weight born by the trolley wheels to be transferred to the sliding blocks and the sliding grooves, so that the load of the trolley wheels is reduced to a certain extent, the abrasion of the trolley wheels is reduced to a certain extent, and the service life of the trolley wheels is prolonged.

Description

Novel bridge crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a novel bridge crane.

Background

Bridge cranes are hoisting equipment which is erected on rails erected on two sides and runs longitudinally, are important tools and equipment for realizing mechanization and automation of production processes in modern industrial production and hoisting transportation, and have been widely applied in the fields of steel chemical industry, industrial and mining enterprises, railway traffic, logistics turnover and the like.

At present, wheels of a trolley of a bridge crane are used for bearing loads in the running process and driving a trolley frame of the crane to run along a track under the drive of a motor, and in the use process, the wheels of the trolley are often worn due to the fact that the weights of the wheels of the trolley are too large, on one hand, the service lives of the worn wheels are greatly shortened, and the production efficiency is affected to a certain extent; on the other hand, the worn wheels can cause the trolley to derail, thereby causing safety accidents.

Chinese patent CN204823758U discloses a crane running gear, which installs a wheel frame at the bottom of the trolley frame through a supporting frame, and sets wheels at the lower part of the wheel frame, thereby increasing the number of wheels at the bottom of the trolley frame, and reducing the load of each wheel to a certain extent. The effect of increasing the number of wheels is limited, although the load per wheel can be reduced.

Disclosure of Invention

The utility model provides a novel bridge crane to solve the problems.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a novel bridge crane, including two end beams and two girders that the interval set up, cart travelling mechanism is all installed to the bottom of two end beams, there is the dolly frame at the girder top through dolly travelling mechanism roll connection, dolly frame top fixedly connected with dual output gear motor, two output shafts of dual output gear motor all are connected with the reel through the transmission shaft transmission, reel fixedly connected with is at dolly frame top, the hoist is installed through wire rope to the reel, the riser that two intervals set up is all fixedly connected with on the preceding lateral wall and the back lateral wall of dolly frame, the diaphragm that the level set up is all installed to the below of every girder, riser bottom fixedly connected with is at the diaphragm top, the guide pillar that two intervals set up is all fixedly connected with at two diaphragm bottoms;

the lifting appliance comprises a horizontally arranged mounting plate, the top of the mounting plate is connected with a steel wire rope through a movable pulley block, sliding columns matched with the guide columns are fixedly connected to four corners of the top of the mounting plate, and the sliding columns are in sliding connection in the inner cavities of the guide columns;

sliding grooves are formed in the outer side walls of the two main beams along the length direction of the two main beams, sliding blocks matched with the sliding grooves are fixedly connected to the inner side walls of the vertical plates, and the sliding blocks are slidably connected in the sliding grooves.

Preferably, T-shaped grooves are formed in the tops of the transverse plates, T-shaped columns matched with the T-shaped grooves are fixedly connected to the bottoms of the main beams, and the T-shaped columns are slidably connected in the T-shaped grooves.

Preferably, the lifting appliance further comprises a lifting frame which is horizontally arranged, a slewing bearing is arranged between the lifting frame and the mounting plate, an outer gear ring of the slewing bearing is fixedly connected with the lifting frame through a flange plate, an inner gear ring of the slewing bearing is fixedly connected with the mounting plate, a slewing motor is fixedly connected to the mounting plate, a driving gear is fixedly connected to an output shaft of the slewing motor, and the driving gear is meshed with the outer gear ring of the slewing bearing;

install two spliced poles of vertical setting on the gallows, the lifting hook that fixedly connected with L type set up can be dismantled to spliced pole bottom.

Preferably, the gallows is the U type structure of opening downward, and the gallows internal rotation is connected with the bidirectional screw rod that the level set up, fixedly connected with accommodate motor on the lateral wall of gallows one end, accommodate motor's output shaft and bidirectional screw rod transmission are connected, and bidirectional screw rod's both ends respectively with spliced pole threaded connection, still fixedly connected with spacing post that the level set up in the gallows of bidirectional screw rod top, the slide hole and spliced pole through slide hole and spacing post sliding connection with spacing post looks adaptation have been seted up to the upper end of spliced pole.

Preferably, the vertical portion of lifting hook can dismantle fixed connection through bolt and spliced pole, fixedly connected with blotter on the inside wall of the vertical portion of lifting hook, the top fixedly connected with protective layer of lifting hook horizontal part has seted up the mounting hole on the protective layer, the lifting hook top fixedly connected with spring of mounting hole department, the top fixedly connected with pressure sensor of spring, pressure sensor top fixedly connected with supports the feeler post, supports the outstanding mounting hole setting in top of feeler post.

Preferably, buffer is all installed at the both ends of spout, and buffer includes the baffle of vertical setting, baffle sliding connection in the spout, and fixedly connected with vertical stand that sets up in the spout of riser one side is kept away from to the baffle, stand and baffle interval set up, and sliding connection has the dog that two intervals set up on the stand, fixedly connected with buffer spring between two dogs, all articulates between two dogs and the baffle has the connecting rod.

Preferably, the bottom of the guide pillar is in a horn shape, the top of the sliding pillar is in a cone shape, the inner wall of the guide pillar is rotationally connected with a roller, and the outer side wall of the sliding pillar is in rolling connection with the roller.

Preferably, at least three trolley wheels are respectively connected to two sides of the bottom of the trolley frame in a rotating way; the bottom of the suspender is fixedly connected with a limiting plate which is arranged in an arc shape.

The utility model has the beneficial effects that: (1) According to the utility model, the vertical plates are arranged on the front side wall and the rear side wall of the trolley frame and are in sliding connection with the sliding grooves arranged in the length direction of the main beam through the sliding blocks, so that part of the weight born by the trolley wheels is transferred to the sliding blocks and the sliding grooves, the load of the trolley wheels is reduced to a certain extent, the abrasion of the trolley wheels is reduced to a certain extent, and the service life of the trolley wheels is prolonged; (2) Through the arrangement of the sliding column and the guide column, a certain guiding effect can be achieved on the lifting appliance in the lifting process, the swinging of the lifting appliance is reduced, and the stability in the lifting process is improved; (3) Through the setting of T type groove and T type post, further reduced the loading capacity of dolly wheel, prolonged its life, simultaneously, improved the stability of being connected between diaphragm and the girder to a certain extent.

Drawings

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

FIG. 2 is a schematic diagram of the connection relationship between the trolley frame and the cross plate and the vertical plate;

FIG. 3 is a schematic illustration of the attachment of the boom to the hook of the present utility model;

FIG. 4 is a schematic view of a buffer device according to the present utility model;

fig. 5 is a partial enlarged view at a in fig. 3.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The novel bridge crane comprises two end beams 1 and two main beams 2 arranged at intervals, wherein a cart travelling mechanism is arranged at the bottom of each of the two end beams 1, a cart frame 3 is connected to the top of each main beam 2 in a rolling manner through the cart travelling mechanism, a double-output speed reduction motor 4 is fixedly connected to the top of each cart frame 3, a winding drum 5 is connected to two output shafts of each double-output speed reduction motor 4 in a transmission manner through a transmission shaft, the winding drums 5 are fixedly connected to the top of each cart frame 3, lifting devices are arranged on the winding drums 5 through steel wire ropes, vertical plates 6 which are arranged at two intervals are detachably and fixedly connected to the front side wall and the rear side wall of each cart frame 3 through nuts, transverse plates 7 which are horizontally arranged are arranged below each main beam 2, the bottoms of the vertical plates 6 are detachably and fixedly connected to the tops of the transverse plates 7 through the nuts, and guide columns 8 which are arranged at two intervals are fixedly connected to the bottoms of the two transverse plates 7; the hoist includes the mounting panel 9 that the level set up, and mounting panel 9 top is connected with wire rope through running block, and the equal fixedly connected with in four corners department at mounting panel 9 top is with the smooth post 10 of guide pillar 8 looks adaptation, smooth post 10 sliding connection in the inside cavity of guide pillar 8, has all seted up spout 11 along its length direction on the lateral wall of two girders 2, fixedly connected with on the inside wall of riser 6 with the slider of spout 11 looks adaptation, slider sliding connection is in spout 11.

The riser 6 has all been set up on the preceding lateral wall of dolly frame 3 and the back lateral wall, and riser 6 passes through the spout 11 sliding connection that sets up on slider and girder 2 length direction, and this makes the partial weight that the dolly wheel bore shift to slider and spout 11 on to reduce the load of dolly wheel to a certain extent, and then reduced the wearing and tearing of dolly wheel to a certain extent, extension its life. Through the arrangement of the sliding column 10 and the guide column 8, a certain guiding effect can be achieved on the lifting appliance in the lifting process, the swinging of the lifting appliance is reduced, and the stability in the lifting process is improved.

In another embodiment, as shown in fig. 1 and fig. 2, the top of the transverse plate 7 is provided with T-shaped grooves 12, the bottom of the main beam 2 is fixedly connected with T-shaped columns 13 adapted to the T-shaped grooves 12, and the T-shaped columns 13 are slidably connected in the T-shaped grooves 12. Through the arrangement of the T-shaped groove 12 and the T-shaped column 13, part of the weight born by the trolley wheels is transferred to the T-shaped groove 12 and the T-shaped column 13 in the process of running along the top rail of the main beam 2, so that the carrying capacity of the trolley wheels is further reduced, the abrasion of the trolley wheels is further reduced, and the service life of the trolley wheels is prolonged; meanwhile, the T-shaped groove 12 and the T-shaped column 13 are arranged to be T-shaped, so that the contact area of the transverse plate 7 and the main beam 2 is increased, and the stress area of the T-shaped column 13 is increased, and the stability of connection between the transverse plate 7 and the main beam 2 is improved to a certain extent.

In another embodiment, as shown in fig. 1 and 3, the lifting appliance further comprises a lifting frame 14 which is horizontally arranged, a slewing bearing 15 is installed between the lifting frame 14 and the mounting plate 9, an outer gear ring of the slewing bearing 15 is fixedly connected with the lifting frame 14 through a flange plate, an inner gear ring of the slewing bearing 15 is fixedly connected with the mounting plate 9, a slewing motor 16 is also fixedly connected with the mounting plate 9, a driving gear is fixedly connected with an output shaft of the slewing motor 16, and the driving gear is meshed with an outer gear ring of the slewing bearing 15; two vertically arranged connecting columns 17 are arranged on the hanging frame 14, and an L-shaped lifting hook 18 is detachably and fixedly connected to the bottom of each connecting column 17. The rotary motor 16 is started, the output shaft of the rotary motor 16 drives the driving gear to rotate, the driving gear drives the outer gear ring of the rotary support 15 to rotate, and the outer gear ring of the rotary support 15 drives the hanging frame 14 to rotate, so that the angle adjustment of the two hanging hooks 18 is realized. In addition, the lifting hook 18 and the connecting column 17 are arranged in a detachable and fixedly connected mode, for example, the lifting hook 18 is conveniently replaced by the connection of the lifting hook 18 and the connecting column through bolts, so that the lifting hook 18 with a proper size can be conveniently selected according to different heights of lifted weights, the situation that the lifting hook 18 is limited by the distance between the horizontal part of the lifting hook 18 and the lifting frame 14 so that the higher weight cannot be lifted is avoided, and the application range of the lifting tool is enlarged; in addition, the lifting hook 18 can take place the problem of damage such as wearing and tearing in the use, and detachable connected mode also is convenient for change lifting hook 18 between lifting hook 18 and the spliced pole 17, has reduced cost of maintenance to a certain extent.

In another embodiment, as shown in fig. 1 and 3, the hanging bracket 14 is in a U-shaped structure with a downward opening, a bidirectional screw 19 horizontally arranged is rotationally connected to the hanging bracket 14, an adjusting motor 20 is fixedly connected to the outer side wall of one end of the hanging bracket 14, an output shaft of the adjusting motor 20 is in transmission connection with the bidirectional screw 19, two ends of the bidirectional screw 19 inside the hanging bracket 14 are respectively in threaded connection with the connecting column 17, a limit column 21 horizontally arranged is fixedly connected to the hanging bracket 14 above the bidirectional screw 19, the limit column 21 is parallel to the bidirectional screw 19, a slide hole matched with the limit column 21 is formed in the upper end of the connecting column 17, and the connecting column 17 is in sliding connection with the limit column 21 through the slide hole. The adjusting motor 20 is started, the output shaft of the adjusting motor 20 drives the bidirectional screw 19 to rotate, and the distance between the two connecting columns 17 is adjusted by the rotation of the bidirectional screw 19, so that the horizontal distance between the two lifting hooks 18 is adjusted, the lifting of weights with different lengths is conveniently realized, and the application range of the lifting appliance is further enlarged; the arrangement of the limiting column 21 is convenient for guiding the connecting column 17, so that the operation stability of the lifting appliance is ensured.

In another embodiment, as shown in fig. 1, 3 and 5, the vertical part of the lifting hook 18 is detachably and fixedly connected with the connecting column 17 through a bolt so as to facilitate maintenance and replacement of the lifting hook 18, the inner side wall of the vertical part of the lifting hook 18 is fixedly connected with a buffer pad 22, the buffer pad 22 is preferably made of rubber, soft polyurethane, silica gel and the like, the end part of a lifted heavy object can touch the vertical part of the lifting hook 18, so that the heavy object and the lifting hook 18 can be worn to a certain extent, and the arrangement of the buffer pad 22 reduces the wear on the end part of the heavy object and the vertical part of the lifting hook 18 and improves the product quality; the top fixedly connected with protective layer 23 of lifting hook 18 horizontal part, offered the mounting hole on the protective layer 23, lifting hook 18 top fixedly connected with spring 24 of mounting hole department, the top fixedly connected with pressure sensor 25 of spring 24, pressure sensor 25 top fixedly connected with contradicts post 26, the protruding mounting hole setting in top of contradicting post 26. When lifting a heavy object, the bottom of the heavy object touches the contact supporting column 26, the contact supporting column 26 slides in the mounting hole under the pressure action of the heavy object, the pressure sensor 25 is extruded, the pressure sensor 25 is electrically connected with a controller of the crane, the pressure value of the pressure sensor 25 is transmitted to the controller, the controller converts the pressure value into corresponding signals to be displayed on a display screen of a cab of the crane so as to prompt a driver of the state of the lifting appliance, and the material of the protective layer 23 is preferably selected from rubber, soft polyurethane, silica gel and the like so as to reduce the abrasion of the horizontal part of the lifting appliance and the lifted heavy object and improve the product quality.

In another embodiment, as shown in fig. 1 and fig. 4, the two ends of the chute 11 are both provided with a buffer device, the buffer device comprises a baffle 27 which is vertically arranged, the baffle 27 is slidably connected in the chute 11, a vertical column 28 which is vertically arranged is fixedly connected in the chute 11 on one side of the baffle 27, the column 28 is arranged at intervals with the baffle 27, two stop blocks 29 which are arranged at intervals are slidably connected on the column 28, a buffer spring 30 is fixedly connected between the two stop blocks 29, the buffer spring 30 is sleeved on the column 28, two ends of the buffer spring 30 are respectively fixedly connected with the stop blocks 29 which are close to the buffer spring, and a connecting rod 31 is hinged between the two stop blocks 29 and the baffle 27. The baffle 27 is close to one side of riser 6 still fixedly connected with contact layer 32, contact layer 32's material is preferably from rubber, soft polyurethane etc. when the dolly wheel moves to girder 2 one end along the track, riser 6's lateral wall is contradicted and is contacted layer 32, contact layer 32's material set up can reduce the friction between baffle 27 and the riser 6, and can play the cushioning effect to a certain extent, then, riser 6 continues to remove to girder 2's tip, baffle 27 moves to the direction that is close to stand 28 under riser 6's promotion, connecting rod 31 drives two dogs 29 and moves to the direction that is kept away from each other, under spring 24's effect, dogs 29 are close to each other and drive baffle 27 and move to the direction that is close to riser 6 to play certain cushioning effect.

In another embodiment, as shown in fig. 1, the bottom of the guide post 8 is in a horn shape, and the top of the slide post 10 is in a cone shape, so that the guide post 8 smoothly enters the slide post 10, the guide effect of the slide post 10 on the guide post 8 is realized, the inner wall of the guide post 8 is rotationally connected with a roller, and the outer side wall of the slide post 10 is in rolling connection with the roller. The arrangement of the rollers improves the smoothness of sliding between the guide post 8 and the sliding post 10.

In another embodiment, as shown in fig. 1, at least three trolley wheels are respectively connected to two sides of the bottom of the trolley frame 3 in a rotating way; the bottom of the trolley frame 3 is provided with six trolley wheels, so that the load of each trolley wheel is further reduced to a certain extent; the bottom of the suspender is fixedly connected with a limiting plate 34 which is arranged in an arc shape through an electric push rod 33, and the bottom of the limiting plate 34 is abutted against the top of the lifted tubular weight, so that the position of the tubular weight is limited, and the stability of the lifting process is improved.

The above embodiments are not limited in any way by the shape, materials, structure, etc. of the present utility model, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model are all included in the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a novel bridge crane, includes the girder that two end beams and two intervals set up, big car travel mechanism is all installed to the bottom of two end beams, and the girder top is through the trolley travel mechanism roll connection has the dolly frame, and dolly frame top fixedly connected with dual output gear motor, two output shaft of dual output gear motor all are connected with the reel through the transmission shaft transmission, and reel fixed connection is at dolly frame top, and hoist, its characterized in that are installed through wire rope to the reel: two vertical plates arranged at intervals are fixedly connected to the front side wall and the rear side wall of the trolley frame, a horizontal plate arranged horizontally is arranged below each main beam, the bottom of each vertical plate is fixedly connected to the top of each horizontal plate, and two guide posts arranged at intervals are fixedly connected to the bottoms of the two horizontal plates;

2. The novel bridge crane of claim 1, wherein: t-shaped grooves are formed in the tops of the transverse plates, T-shaped columns matched with the T-shaped grooves are fixedly connected to the bottoms of the main beams, and the T-shaped columns are slidably connected in the T-shaped grooves.

3. The novel bridge crane of claim 1, wherein: the lifting appliance further comprises a lifting frame which is horizontally arranged, a slewing bearing is arranged between the lifting frame and the mounting plate, an outer gear ring of the slewing bearing is fixedly connected with the lifting frame through a flange plate, an inner gear ring of the slewing bearing is fixedly connected with the mounting plate, a slewing motor is fixedly connected to the mounting plate, a driving gear is fixedly connected to an output shaft of the slewing motor, and the driving gear is meshed with the outer gear ring of the slewing bearing;

4. A novel bridge crane according to claim 3, characterized in that: the gallows is U type structure that the opening was down, and the gallows internal rotation is connected with the bidirectional screw rod that the level set up, fixedly connected with accommodate motor on the lateral wall of gallows one end, accommodate motor's output shaft and bidirectional screw rod transmission are connected, and the both ends of bidirectional screw rod are respectively with spliced pole threaded connection, still fixedly connected with spacing post that the level set up in the gallows of bidirectional screw rod top, and the slide hole and spliced pole that have seted up with spacing post looks adaptation pass through slide hole and spacing post sliding connection.

5. The novel bridge crane of claim 4, wherein: the vertical portion of lifting hook can dismantle fixed connection through bolt and spliced pole, fixedly connected with blotter on the inside wall of the vertical portion of lifting hook, the top fixedly connected with protective layer of lifting hook horizontal part has seted up the mounting hole on the protective layer, the lifting hook top fixedly connected with spring of mounting hole department, the top fixedly connected with pressure sensor of spring, pressure sensor top fixedly connected with supports and touches the post, supports the protruding mounting hole setting in top of touching the post.

6. The novel bridge crane of claim 1, wherein: buffering device is all installed at the both ends of spout, and buffering device includes the baffle of vertical setting, baffle sliding connection in the spout, and the baffle is kept away from the stand of the interior fixedly connected with vertical setting of spout of riser one side, and stand and baffle interval set up, and sliding connection has the dog that two intervals set up on the stand, fixedly connected with buffer spring between two dogs, all articulates between two dogs and the baffle has the connecting rod.

7. The novel bridge crane of claim 1, wherein: the bottom of the guide post is in a horn shape, the top of the sliding post is in a cone shape, the inner wall of the guide post is rotationally connected with a roller, and the outer side wall of the sliding post is in rolling connection with the roller.

8. The novel bridge crane of claim 1, wherein: at least three trolley wheels are respectively and rotatably connected to two sides of the bottom of the trolley frame; the bottom of the suspender is fixedly connected with a limiting plate which is arranged in an arc shape.