CN218201856U

CN218201856U - Bridge crane

Info

Publication number: CN218201856U
Application number: CN202221716612.7U
Authority: CN
Inventors: 李述政; 王峰
Original assignee: Xiangyang Chenli Electromechanical Equipment Co ltd
Current assignee: Xiangyang Chenli Electromechanical Equipment Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2023-01-03
Anticipated expiration: 2032-07-01

Abstract

The utility model provides a bridge crane, including two roof beams, the both ends of two roof beams set up on the metal support, fixed surface is provided with the slide rail on two roof beams, the slide rail is parallel with two roof beams, the trolley slides and sets up on the slide rail, trolley's PMKD's both sides are rotated and are provided with a plurality of gyro wheel, the edge of gyro wheel is provided with the annular groove, the annular groove is coaxial with the gyro wheel, the slide rail inlays to be established in the annular groove, be provided with electric block on trolley's PMKD, electric block's lifting hook hangs and establishes between two roof beams, trolley's bottom is the fixed gusset plate that is provided with still, the gusset plate is fixed to be set up at PMKD along the both ends of slide rail extending direction, the slide rail sets up to the T font, the gusset plate bottom is provided with the spout with slide rail cross section assorted T font, the slide rail inlays to be established in the spout. The utility model provides a bridge crane that connection stability is high, the device security is high.

Description

Bridge crane

Technical Field

The utility model relates to a machine parts processing technology field, in particular to bridge crane.

Background

The bridge crane is a hoisting device which is transversely arranged above a workshop, a warehouse and a stock ground to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is 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 hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.

The current chinese utility model patent of grant publication No. CN213202134U, patent name as a high efficiency bridge crane discloses a bridge crane body, bridge crane base, hoist equipment vaulting pole, the fixed horizontal pole of hoist, hoist remote control electric block, bridge crane body bottom is provided with bridge crane base, and bridge crane base top is provided with hoist equipment vaulting pole, and hoist equipment vaulting pole top is provided with the fixed horizontal pole of hoist, and hoist fixed horizontal pole middle part bottom is provided with hoist remote control electric block. However, the remote control electric hoist used for hoisting operation in the bridge crane moves on the slide rail through the movable idler wheel at the top end, wherein the idler wheel only seats on the slide rail through gravity to support the electric hoist, when the lifting hook of the remote control electric hoist hoists a heavier object, the transverse support frame of the electric hoist is slightly deformed by the gravity to drive the idler wheel to slightly incline, the rolling contact surface is reduced, the electric hoist is inconvenient to slide, and even the risk that the idler wheel is separated from the slide rail to cause safety accidents exists.

Therefore, it is necessary to provide a bridge crane having high connection stability and high safety of the apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bridge crane that connection stability is high, the device security is high.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a bridge crane, includes two roof beams, the both ends of two roof beams set up on the metal support, fixed surface is provided with the slide rail on the two roof beams, the slide rail with two roof beams are parallel, and the trolley slides and sets up on the slide rail, trolley's PMKD's both sides bottom is rotated along the direction that the slide rail extends and is provided with a plurality of gyro wheel, the edge of gyro wheel is provided with the annular groove, the annular groove is coaxial with the gyro wheel, the slide rail inlays to be established in the annular groove, the annular groove includes annular rolling surface and side shield, annular rolling surface and slide rail rolling contact, the side shield sets up in the both sides of slide rail, and driving motor drive gyro wheel rotates, be provided with electric block on trolley's PMKD, electric block's lifting hook hangs and establishes between two roof beams, trolley's bottom still fixedly is provided with the gusset plate, the gusset plate is fixed to be set up at PMKD along the both ends of slide rail extending direction, the slide rail sets up to the T font, the gusset plate bottom is provided with the spout of slide rail cross section assorted T font, the slide rail inlays to be established in the spout.

Through adopting above-mentioned technical scheme, inlay the connected stability who establishes the improvement trolley of the connected mode ability certain degree in the annular groove of gyro wheel through the slide rail, when the lifting hook lifts by crane heavier object, when trolley's PMKD takes place small deformation, the side of annular groove can block the support to the slide rail on the gyro wheel, avoid the gyro wheel slope, break away from the slide rail and cause trolley PMKD deformation to take place the incident, and simultaneously, in order to further improve trolley to the connected gripping fastening nature of slide rail, it inlays and establishes the interlock to be the T font with PMKD fixed connection's gusset plate and slide rail, can further improve trolley's connected stability, improve the slip ride comfort and the operational safety of jack-up operation.

As the utility model discloses a further setting, the PMKD below is provided with the gyro wheel case, the gyro wheel passes through the bearing and rotates the setting on the lateral wall of gyro wheel case.

By adopting the technical scheme, the roller box is used as a supporting part, so that the supporting performance and the connection stability of the trolley are improved.

As a further setting of the utility model, two roof beam extending direction's both ends are provided with and block the stand, block two roof beams of stand perpendicular to and fixed the setting on two roof beams.

Through adopting above-mentioned technical scheme, when the trolley moves to the extreme position at both ends, for the trolley operation that avoids having the heavy object leaves the slide rail, be provided with at the both ends of two roof beams and block the stand for carry on spacingly to the trolley, improve the operating stability of device.

As a result, the distance sensor can be controlled by the control driving motor, and the position of the stand column is corresponding to the position of the blocking piece.

By adopting the technical scheme, the bridge crane is provided with the distance sensor, when the distance sensor receives the information that the blocking stand column is too close, the controller controls the driving motor to stop running, the crane trolley is blocked by the blocking stand column to brake, and the automation control and safety performance of the bridge crane are improved.

As the utility model discloses a further setting blocks still to be provided with buffer gear on the stand, buffer gear includes a plurality of buffer spring, buffer spring's flexible direction is parallel with the extending direction of slide rail, buffer spring's one end with block stand fixed connection, the buffer board is connected to the other end.

By adopting the technical scheme, when the distance sensor of the blocking piece receives a signal which is too close to the buffer plate, the controller controls the driving motor to stop running, but the crane trolley can also move due to inertia, and the weight of a heavy object lifted by the crane trolley is different in inertia degree, the transverse buffer spring can absorb impact force to buffer the crane trolley, so that the braking effect of the crane trolley is improved, the protection effect on the blocking stand column is also improved, and the stability of the device is improved.

As a further setting of the utility model, the last extending direction of following the slide rail of PMKD is provided with a plurality of counter weight balancing piece, the counter weight balancing piece is corresponding with the position of roller box.

Through adopting above-mentioned technical scheme, can improve PMKD's counter weight stability, reduce PMKD's bending deformation's possibility, improve the operating stability and the security of device.

As the utility model discloses a further setting, it sets up to hollow round platform shape to stop the piece, distance sensor sets up inside stopping the piece.

By adopting the technical scheme, the shape of the blocking piece can protect the internal distance sensor, and the service life of the distance sensor is prolonged.

The beneficial effects of the utility model are that:

1. the utility model discloses a bridge crane inlays the connected stability who establishes the connected mode ability certain degree improvement trolley in the annular groove of gyro wheel through the slide rail, when the lifting hook lifts by crane heavier object, when trolley's PMKD takes place small deformation, the side of annular groove can block the support to the slide rail on the gyro wheel, avoid the gyro wheel slope, break away from the slide rail and cause trolley PMKD deformation to take place the incident, and simultaneously, in order to further improve trolley to the connection gripping fastening nature of slide rail, it inlays and establishes the interlock to be the T font with PMKD fixed connection's gusset plate and slide rail, can further improve trolley's connected stability, improve the slip ride comfort and the operational safety of jack-up operation.

2. The utility model discloses a bridge crane moves when the extreme position at monkey operation to both ends, leaves the slide rail for the monkey operation of avoiding having the heavy object, is provided with at the both ends of two roof beams and blocks the stand for carry on spacingly to the monkey, and still be provided with distance sensor, accept to be close to after blockking the too close message of stand as distance sensor, controller control driving motor stall, the monkey is blockked the stand and blocks the braking, bridge crane's automated control and security performance have been improved.

3. The utility model discloses a bridge crane receives when the too near signal of distance buffer board when the distance sensor who blocks, and controller control driving motor stall, but the trolley still can remove because inertia to its inertia degree of the different heavy object weight that the trolley lifted by crane is different, and horizontal buffer spring can absorb the impact force, cushions the trolley, improves the braking effect of trolley, also improves the guard action to blockking the stand, the stability of improving device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

FIG. 1 is a schematic structural diagram of a bridge crane according to the present invention;

fig. 2 is a schematic view of the local internal structure of the bridge crane of the present invention.

In the figure, 1, two beams, 2, a metal support, 3, a sliding rail, 4, a crane trolley, 5, a fixed base plate, 6, a roller, 7, an annular groove, 8, an annular rolling surface, 9, a side blocking surface, 10, a driving motor, 11, an electric hoist, 12, a lifting hook, 13, a reinforcing plate, 14, a sliding groove, 15, a roller box, 16, a blocking upright post, 17, a blocking piece, 18, a distance sensor, 19, a controller, 20, a buffer spring, 21, a buffer plate, 22 and a balance weight are arranged.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a bridge crane, including two roof beams 1, the both ends of two roof beams 1 set up on the metal support 2, fixed surface is provided with slide rail 3 on two roof beams 1, slide rail 3 with two roof beams 1 are parallel, 4 slip settings on slide rail 3 of trolley 4, the both sides bottom of 5 fixed baseplate of trolley 4 rotates along the direction that slide rail 3 extends and is provided with a plurality of gyro wheel 6, the edge of gyro wheel 6 is provided with annular groove 7, annular groove 7 is coaxial with gyro wheel 6, slide rail 3 inlays and establishes in annular groove 7, annular groove 7 includes annular rolling surface 8 and side shield surface 9, annular

rolling surface

8 and 3 rolling contact of slide rail, side shield surface 9 sets up in the both sides of slide rail 3, and driving motor 10 drive gyro wheel 6 rotates, be provided with electric block 11 on 4 fixed baseplate 5 of trolley 4, the lifting hook 12 of electric block 11 hangs and establishes between two roof beams 1, trolley 4's bottom still fixes and is provided with gusset plate 13, gusset plate 13 sets up at fixed baseplate 5 along 3 extending direction of slide rail 3 the gusset plate 3 both ends, the cross section 14 font sets up the bottom of slide rail 3, and the spout 14 font is provided with the bottom of slide rail 3 font.

Specifically, a roller box 15 is arranged below the fixed bottom plate 5, and the roller 6 is rotatably arranged on the side wall of the roller box 15 through a bearing.

Specifically, two ends of the extending direction of the double beam 1 are provided with blocking upright columns 16, and the blocking upright columns 16 are perpendicular to the double beam 1 and are fixedly arranged on the double beam 1.

Specifically, a blocking piece 17 is further arranged on the outer side surface of the reinforcing plate 13 away from the roller 6, a distance sensor 18 is arranged in the blocking piece 17, the distance sensor 18 is in signal connection with a controller 19 for controlling the driving motor 10, and the blocking piece 17 corresponds to the blocking upright post 16.

Specifically, block still to be provided with buffer gear on the stand 16, buffer gear includes a plurality of buffer spring 20, buffer spring 20's flexible direction is parallel with the extending direction of slide rail 3, buffer spring 20's one end with block stand 16 fixed connection, buffer board 21 is connected to the other end.

Specifically, a plurality of counterweight blocks 22 are arranged on the fixed bottom plate 5 along the extending direction of the slide rail 3, and the counterweight blocks 22 correspond to the roller box 15.

Specifically, the stopper 17 is provided in a hollow truncated cone shape, and the distance sensor 18 is provided inside the stopper 17.

The working principle is as follows: the utility model discloses a bridge crane inlays the connected stability who establishes the connected mode ability certain degree improvement trolley 4 in the annular groove 7 of gyro wheel 6 through slide rail 3, when lifting by crane heavier object as lifting hook 12, when trolley 4's PMKD 5 takes place small deformation, annular groove 7's side fender face 9 can block support to slide rail 3 on the gyro wheel 6, avoid gyro wheel 6 slope, it causes trolley 4 PMKD 5 deformation emergence incident to break away from slide rail 3, and simultaneously, in order to further improve trolley 4 to slide rail 3 be connected gripping fastening nature, be T font with 5 fixed connection's of PMKD gusset plate 13 and slide rail 3 and inlay and establish the interlock, can further improve trolley 4's connected stability, improve the smooth smoothness and the operational safety nature of the slip of jack-up operation.

The principles and embodiments of the present invention have been explained using specific embodiments, and the above description is only used to help understand the method and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The bridge crane is characterized by comprising double beams (1), wherein two ends of each of the double beams (1) are provided with metal supports (2), the upper surface of each of the double beams (1) is fixedly provided with a slide rail (3), the slide rails (3) are parallel to the double beams (1), a crane trolley (4) is arranged on the slide rails (3) in a sliding manner, the bottoms of two sides of a fixed bottom plate (5) of the crane trolley (4) are provided with a plurality of idler wheels (6) in a rotating manner along the extending direction of the slide rails (3), the edges of the idler wheels (6) are provided with annular grooves (7), the annular grooves (7) are coaxial with the idler wheels (6), the slide rails (3) are embedded in the annular grooves (7), the annular grooves (7) comprise annular rolling surfaces (8) and side blocking surfaces (9), the annular rolling surfaces (8) are in rolling contact with the slide rails (3), the side blocking surfaces (9) are arranged on two sides of the slide rails (3), a driving motor (10) drives the idler wheels (6) to rotate, a fixed bottom plate (5) of the crane trolley (4) is provided with an electric hoist (11), and a hoisting hook (11) is arranged between the fixed bottom plate (11), reinforcing plate (13) are fixed to be set up at PMKD (5) along the both ends of slide rail (3) extending direction, slide rail (3) set up to the T font, reinforcing plate (13) bottom is provided with spout (14) with slide rail (3) cross section assorted T font, slide rail (3) inlay and establish in spout (14).

2. The bridge crane according to claim 1, characterized in that a roller box (15) is arranged below the fixed base plate (5), and the rollers (6) are rotatably arranged on the side wall of the roller box (15) through bearings.

3. Bridge crane according to claim 1, characterized in that the two beams (1) are provided with blocking uprights (16) at both ends in the direction of extension, said blocking uprights (16) being perpendicular to the two beams (1) and being fixedly arranged on the two beams (1).

4. The bridge crane according to claim 3, wherein the outer side of the reinforcing plate (13) away from the roller (6) is further provided with a blocking member (17), a distance sensor (18) is arranged in the blocking member (17), the distance sensor (18) is in signal connection with a controller (19) for controlling the driving motor (10), and the blocking member (17) corresponds to the position of the blocking upright (16).

5. The bridge crane according to claim 4, wherein the blocking upright column (16) is further provided with a buffering mechanism, the buffering mechanism comprises a plurality of buffering springs (20), the expansion and contraction directions of the buffering springs (20) are parallel to the extension direction of the sliding rail (3), one end of each buffering spring (20) is fixedly connected with the blocking upright column (16), and the other end of each buffering spring is connected with a buffering plate (21).

6. The bridge crane according to claim 2, wherein the fixed base plate (5) is provided with a plurality of counterweight blocks (22) along the extension direction of the slide rail (3), and the counterweight blocks (22) correspond to the roller box (15).

7. Bridge crane according to claim 4, characterized in that the obstacle (17) is provided in the shape of a hollow truncated cone and that the distance sensor (18) is provided inside the obstacle (17).