CN218988618U

CN218988618U - Bridge crane convenient to change electric block

Info

Publication number: CN218988618U
Application number: CN202223159357.3U
Authority: CN
Inventors: 刘志华
Original assignee: Nantong Jiepin Hoisting Equipment Co ltd
Current assignee: Nantong Jiepin Hoisting Equipment Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-09
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a bridge crane convenient for replacing an electric hoist. Bridge crane convenient to change electric block includes: the beam body, the both ends of the beam body are equipped with overhead track, the below of the beam body is equipped with electric block, the bottom of the beam body is equipped with combination track, combination track includes fixed track and movable track, movable track's top extends to the beam body. The bridge crane convenient for replacing the electric hoist provided by the utility model has the advantages that the bridge crane is provided with the integrally designed beam body, the combined rail comprises the fixed rail and the movable rail, and the movable rail is connected and fixed with the beam body by using the two fixing mechanisms, so that the structural strength of the beam body is enhanced, the electric hoist is convenient to replace, the hoist is in a standby state at ordinary times, the energy is saved, the service life of the hoist is prolonged to a certain extent, and the maintenance frequency of the hoist is reduced.

Description

Bridge crane convenient to change electric block

Technical Field

The utility model relates to the technical field of cranes, in particular to a bridge crane convenient for replacing an electric hoist.

Background

The bridge crane is hoisting equipment for hoisting materials in workshops, warehouses and stock yards. The bridge-like shape is obtained by sitting on tall concrete columns or metal supports at both ends. The bridge frame of the bridge crane longitudinally runs along the tracks paved on the two side high frames, so that the space below the bridge frame can be fully utilized to hoist materials, and the bridge frame is not blocked by ground equipment. The hoisting machine has the advantages of being the hoisting machine with the widest application range and the largest number.

The document of the prior authorized bulletin number CN 216336235U discloses a bridge crane convenient for replacing an electric hoist, and the electric hoist can be lifted and lowered by arranging a movable beam capable of lifting, so that the electric hoist is convenient to replace.

However, the scheme still has the defect that the beam body structure is divided into two fixed beams and one movable beam, so that the rigidity of the whole structure of the beam body is reduced, and two groups of gear motors, rope winding rollers and pull ropes are used for controlling the lifting and fixing of the movable beam, so that the gear motors and the pull ropes are in a tight state for a long time, and the maintenance frequency of the gear motors and the pull ropes is improved, so that the gear motors and the pull ropes work normally.

Therefore, it is necessary to provide a bridge crane which is convenient for replacing the electric hoist to solve the above technical problems.

Disclosure of Invention

The utility model solves the technical problem of providing the bridge crane which is convenient for replacing the electric hoist, can strengthen the structural strength of a beam body, is convenient for replacing the electric hoist and reduces maintenance frequency.

In order to solve the technical problems, the bridge crane convenient for replacing the electric hoist provided by the utility model comprises: the walking wheels at two ends of the beam body are erected on an overhead track, the overhead track is paved on the overhead track, the walking wheels driven by electric power move on the overhead track along the overhead track, an electric hoist is arranged below the beam body, a combined track is arranged at the bottom of the beam body and comprises a fixed track and a movable track, the top of the movable track extends into the beam body, a movable hole is formed in the bottom of the beam body, the top of the movable track penetrates through the movable hole, a lifting machine is mounted at the top of the beam body and comprises a winding roller which is mounted at the top of the beam body and is driven by a speed reducing motor, one end of the steel wire rope is connected with the movable track, two fixing mechanisms are arranged in the beam body, and a plurality of limiting mechanisms are arranged on the movable track; the fixing mechanism comprises a fixing plate, one end of the fixing plate extends into the movable rail, the fixing plate is driven by an electric push rod arranged in the beam body, the beam body is integral, and the movable rail is connected with the beam body through the fixing plate to form an integral, so that the integral structural rigidity of the beam body is enhanced.

Preferably, two telescopic rods are arranged between the movable rail and the beam body, and two ends of each telescopic rod are connected with the movable rail and the inner wall of the beam body.

Preferably, the fixed plate is sleeved with a guide frame, and the guide frame is connected with the inner wall of the beam body.

Preferably, a connector is arranged on one side of the fixing plate, and the head of the connector is rounded.

Preferably, a clamping groove matched with the connector is formed in one side of the fixing plate, and the fixing plate can connect the two fixing plates into a whole by inserting the connector into the clamping groove on the other fixing plate.

Preferably, the limit mechanism comprises a T-shaped frame arranged on the inner side of the movable rail, the T-shaped frame is arranged in a mounting groove arranged on the inner side of the movable rail, one side of the T-shaped frame is provided with a limit column, and the limit column penetrates through the movable rail.

Preferably, a push rod is arranged on one side of the T-shaped frame, the push rod is arranged on one side of the movable rail, one end of the push rod extends into a movable groove formed in one side of the mounting groove and can slide, and a spring is arranged on the push rod.

Compared with the related art, the bridge crane convenient for replacing the electric hoist has the following beneficial effects:

(1) Through setting up the integrated design's roof beam body, including fixed track and movable rail's combination track to use two fixed establishment to connect movable rail and roof beam body fixedly, strengthened the structural strength of roof beam body, conveniently changed electric block, and make the lifting machine be in standby state at ordinary times, when having practiced thrift the energy, also improved the life of lifting machine to a certain extent, reduced the maintenance frequency of lifting machine.

(2) By arranging the two telescopic rods, when the movable rail descends, the two lifting rods stretch along with the descending of the movable rail, and the movable rail is stabilized and guided.

(3) Through setting up leading truck, connector and draw-in groove, can make two fixed plates connect into a whole, further improve overall structure intensity, prevent that the movable rail from falling down and warp when the atress.

(4) Through setting up the stop gear who includes T type frame, spacing post, ejector pin, spring, can be spacing to electric block, prevent that electric block from dropping from the movable rail.

Drawings

FIG. 1 is a schematic diagram of a bridge crane for facilitating replacement of an electric hoist;

FIG. 2 is a partial cross-sectional view of the bridge crane of FIG. 1 for facilitating replacement of an electric block;

FIG. 3 is a schematic view of the structure of the fixed plate of the bridge crane shown in FIG. 1 for facilitating replacement of the electric hoist;

FIG. 4 is a schematic view of the movable rail of the bridge crane of FIG. 1 for facilitating replacement of the electric hoist;

fig. 5 is an enlarged view of a portion a in fig. 4.

Reference numerals in the drawings: 1. beam body 2, overhead track, 3, electric hoist, 4, fixed track, 5, movable track, 6, lifting machine, 7, telescopic link, 8, fixed plate, 9, electric putter, 10, leading truck, 11, connector, 12, draw-in groove, 13, T type frame, 14, spacing post, 15, ejector pin, 16, spring.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Example 1:

referring to fig. 1 to 5 in combination, in an embodiment of the present utility model, a bridge crane for facilitating replacement of an electric hoist includes: the beam body 1, the walking wheels at two ends of the beam body 1 are erected on an overhead track 2, the overhead track 2 is paved on the overhead, the walking wheels driven by electric power move on the overhead track 2 along the overhead track 2, an electric hoist 3 is arranged below the beam body 1, a combined track is arranged at the bottom of the beam body 1 and comprises a fixed track 4 and a movable track 5, the top of the movable track 5 extends into the beam body 1, a movable hole is formed in the bottom of the beam body 1, the top of the movable track 5 penetrates through the movable hole, a lifting machine 6 is installed at the top of the beam body 1, the lifting machine 6 comprises a winding roller which is arranged at the top of the beam body 1 and is driven by a gear motor, one end of the steel wire rope is connected with the movable track 5, two fixing mechanisms are arranged in the beam body 1, and a plurality of limiting mechanisms are arranged on the movable track 5; the fixing mechanism comprises a fixing plate 8, one end of the fixing plate 8 extends to the inside of the movable rail 5, the fixing plate 8 is driven by an electric push rod 9 installed in the beam body 1, the beam body 1 is integrated, the movable rail 5 and the beam body 1 are connected through the fixing plate 8 to form a whole, the rigidity of the whole structure of the beam body 1 is enhanced, when the electric hoist 3 is moved to the movable rail 5, the electric push rod 9 is started to move the fixing plate 8 and draw out the fixing plate from the lower part of the movable rail 5, the movable rail 5 is lowered by the lifting machine 6, the electric hoist 3 is lowered, and the electric hoist 3 is convenient to replace on the ground.

Through setting up integrated design's roof beam body 1, including fixed track 4 and movable track 5's combination track to use two fixed establishment to connect movable track 5 and roof beam body 1 fixedly, strengthened the structural strength of roof beam body 1, conveniently change electric block 3, and make lifting machine 6 be in standby state at ordinary times, when having practiced thrift the energy, also improved lifting machine 6's life to a certain extent, reduced lifting machine 6's maintenance frequency.

Example 2:

as shown in fig. 2, two telescopic rods 7 are installed between the movable rail 5 and the beam body 1, two ends of each telescopic rod 7 are connected with the movable rail 5 and the inner wall of the beam body 1, and when the movable rail 5 descends, the two lifting rods 7 stretch along with the descending of the movable rail 5 to stabilize the posture and guide the movable rail 5.

By arranging the two telescopic rods 7, when the movable rail 5 descends, the two lifting rods 7 stretch along with the descending of the movable rail 5, and the movable rail 5 is stabilized and guided.

Example 3:

as shown in fig. 2-3, a guide frame 10 is sleeved on the fixing plate 8, the guide frame 10 is connected with the inner wall of the beam body 1, a connector 11 is installed on one side of the fixing plate 8, the head of the connector 11 is rounded, a clamping groove 12 matched with the connector 11 is formed on one side of the fixing plate 8, the fixing plate 8 can connect the two fixing plates 8 into a whole by inserting the connector 11 into the clamping groove 12 on the other fixing plate 8, when the movable rail 5 is used, the guide frame 10 passes through the fixing plates 8 to move, a certain fixing effect is achieved on the fixing plates 8, the joint between the fixing plates 8 and the electric push rod 9 is prevented from being stressed and bent, the two fixing plates 8 are mutually close, the connectors 11 are inserted into the opposite clamping grooves 12, the two fixing plates 8 are connected into a whole, and the overall structural strength is further improved, and the movable rail 5 is prevented from falling under stress.

Through setting up leading truck 10, connector 11 and draw-in groove 12, can make two fixed plates 8 connect into a whole, further improve overall structural strength, prevent that movable rail 5 from falling down and warp when the atress.

Example 4:

as shown in fig. 4-5, the limiting mechanism comprises a T-shaped frame 13 installed inside the movable rail 5, the T-shaped frame 13 is installed in an installation groove formed inside the movable rail 5, a limiting post 14 is arranged on one side of the T-shaped frame 13, the limiting post 14 penetrates through the movable rail 5, a push rod 15 is arranged on one side of the T-shaped frame 13, the push rod 15 is installed on one side of the movable rail 5, one end of the push rod 15 stretches into the movable groove formed on one side of the installation groove and can slide, a spring 16 is installed on the push rod 15, when the fixing plate 8 is separated from the movable rail 5 in use, the fixing plate 8 is gradually separated from contact with the T-shaped frame 13, under the action of the compressed spring 16, the push rod 15 pushes the T-shaped frame 13 to rotate, and then the limiting post 14 on the other side of the T-shaped frame 13 protrudes out of the movable rail 5, the limiting post 14 clamps the edge of the electric hoist 3, limits the electric hoist 3, and the electric hoist 3 is prevented from falling from the movable rail 5.

Through setting up the stop gear that includes T type frame 13, spacing post 14, ejector pin 15, spring 16, can be spacing to electric block 3, prevent that electric block 3 from dropping from movable rail 5.

The bridge crane convenient for replacing the electric hoist provided by the utility model has the following working principle:

firstly, an electric push rod 9 is started to enable a fixed plate 8 to move, a guide frame 10 penetrates through the fixed plate 8 to move, the fixed plate 8 stretches into the lower part of a movable rail 5 in a shape like a Chinese character 'ji', the two fixed plates 8 are mutually close, a connector 11 is inserted into a clamping groove 12 opposite to the connector, the two fixed plates 8 are connected into a whole, a beam body 1 is of an integral structure, the movable rail 5 is connected with the beam body 1 through the fixed plate 8, the structural rigidity of the beam body is enhanced, meanwhile, the movable rail 5 is fixed, and a lifting machine 6 is released, so that the lifting machine 6 can be in a standby state for a long time;

starting the electric putter 9 makes fixed plate 8 remove and make it take out from the below of movable rail 5, reduce the height through lifting machine 6 with movable rail 5, and then make electric block 3 reduce the height, conveniently change electric block 3 subaerial, simultaneously, fixed plate 8 and T type frame 13 break away from the contact step by step when fixed plate 8 deviate from in movable rail 5, under the effect of compressed spring 16, make ejector pin 15 top move T type frame 13 rotate, and then make the spacing post 14 of T type frame 13 opposite side outstanding outside movable rail 5, spacing post 14 blocks the edge of electric block 3, it is spacing to electric block 3, prevent that electric block 3 from dropping from movable rail 5, after electric block 3 drops to suitable height, press T type frame 13, make spacing post 14 break away from with electric block 3, can change electric block 3.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. Bridge crane convenient to change electric block, characterized by, include:

the novel lifting device comprises a beam body (1), wherein overhead tracks (2) are arranged at two ends of the beam body (1), an electric hoist (3) is arranged below the beam body (1), a combined track is arranged at the bottom of the beam body (1), the combined track comprises a fixed track (4) and a movable track (5), the top of the movable track (5) extends into the beam body (1), a lifting machine (6) is arranged at the top of the beam body (1), two fixing mechanisms are arranged in the beam body (1), and a plurality of limiting mechanisms are arranged on the movable track (5);

the fixing mechanism comprises a fixing plate (8), one end of the fixing plate (8) extends into the movable track (5), and the fixing plate (8) is driven by an electric push rod (9) arranged in the beam body (1).

2. Bridge crane facilitating the replacement of electric hoists according to claim 1, characterized in that two telescopic rods (7) are installed between the movable rail (5) and the beam body (1).

3. Bridge crane facilitating replacement of electric hoist according to claim 1, characterized in that the fixed plate (8) is sleeved with a guide frame (10).

4. Bridge crane facilitating the replacement of electric hoists according to claim 3, characterized in that a connector (11) is mounted on one side of the fixing plate (8).

5. Bridge crane convenient for replacing electric hoist according to claim 4, characterized in that a clamping groove (12) adapted to the connector (11) is provided on one side of the fixing plate (8).

6. Bridge crane convenient for replacing electric hoist according to claim 1, characterized in that the limit mechanism comprises a T-shaped frame (13) mounted inside the movable rail (5), one side of the T-shaped frame (13) is provided with a limit post (14), and the limit post (14) penetrates through the movable rail (5).

7. Bridge crane convenient for replacing electric hoist according to claim 6 characterized in that one side of the T-shaped frame (13) is provided with a push rod (15), the push rod (15) is mounted on one side of the movable rail (5), and the push rod (15) is mounted with a spring (16).