CN221120773U - Trolley structure for bridge crane - Google Patents

Abstract

The utility model discloses a trolley structure for a bridge crane, which comprises a trolley movable frame, wherein the upper end of the trolley movable frame is fixedly provided with a connecting electric hoist, the rear part of the upper end of the trolley movable frame is fixedly connected with a control speed reducer, the front end and the rear end of the trolley movable frame are fixedly connected with buffer mechanisms, four corners of the lower end of the trolley movable frame are movably connected with movable guide wheels, and the lower end of the connecting electric hoist is movably connected with a telescopic rope connecting disc. According to the trolley structure for the bridge crane, the buffer mechanism is convenient for enhancing the anti-collision and buffer effects during the movement of the trolley movable frame, when the trolley movable frame is positioned on the guide rail to move, if an operation error or internal damage is encountered to cause the movement failure of the trolley movable frame, the collision between the trolley movable frame and the two supports can be prevented, the buffer effect is enhanced by the buffer damper and the elastic piece, and strong impact force is prevented from damaging equipment.

Description

Trolley structure for bridge crane

Technical Field

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

Background

The bridge crane is commonly called as a bridge crane, is a crane device for lifting materials transversely above workshops, warehouses and material yards, two ends of the bridge frame are directly supported on overhead tracks through running devices, the bridge crane is divided into a single trolley and a double trolley, the bridge crane consists of a bridge frame, the crane trolley, a large trolley running mechanism and electric equipment, two ends of the bridge crane are located on high cement columns or metal brackets, the bridge frame is similar to a bridge in shape, the bridge frame is a combination of a main beam and an end beam with a box-shaped section, and the bridge frame runs longitudinally along tracks paved on the two sides of the bridge frame, can fully utilize the space below the bridge frame to lift the materials, and is not blocked by ground equipment.

When the trolley movable frame is located on the guide rail to move, if misoperation or internal damage is encountered to cause the trolley movable frame to move incorrectly, collision is generated between the trolley movable frame and the brackets at the two ends, and strong impact force can also cause damage to electric appliances and equipment positioned at the upper end of the trolley movable frame, so that certain adverse effects are brought to the use process of people.

Disclosure of utility model

The technical problems to be solved are as follows: aiming at the defects of the prior art, the trolley structure for the bridge crane provided by the utility model has the advantages that the anti-collision and buffering effects during the movement of the trolley movable frame are conveniently enhanced by the buffer mechanism, when the trolley movable frame is positioned on the guide rail to move, the collision between the trolley movable frame and the two supports can be prevented if misoperation or internal damage is encountered to cause the movable failure of the trolley movable frame, the buffer effect is enhanced by the buffer damper and the elastic piece, the equipment electrical appliance is prevented from being damaged by strong impact force, and the like, and the problems in the background art can be effectively solved.

The technical scheme is as follows: in order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a trolley structure for bridge crane, includes the dolly movable frame, the upper end location of dolly movable frame is installed and is connected electric block, the rear portion fixedly connected with control reduction gear of dolly movable frame upper end, the equal fixedly connected with buffer gear in both ends around the dolly movable frame, the equal swing joint in four corners of dolly movable frame lower extreme has the removal leading wheel, the lower extreme swing joint of connecting electric block has flexible rope connection pad, the lower extreme fixedly connected with lifting hook of flexible rope connection pad.

Preferably, the buffer gear is including location connecting plate, support buffering outer frame, interior movable hole, buffer damper, direction movable rod, elastic component, spacing sliding block, interior movable buffer rod, interior swing joint groove, spacing sliding groove, promotion buffer plate and anti-skidding cushion, both ends around the dolly movable frame all are fixed connection with the rear end of location connecting plate, the both sides of location connecting plate front end all fixedly connected with supports the buffering outer frame.

Preferably, the front end of the support buffering outer frame is provided with an inner connecting movable hole, the rear ends of the buffering dampers are positioned on two sides of the rear end inside the inner connecting movable hole and are fixedly connected with one end of the guiding movable rod, an elastic piece is sleeved on the outer wall of the guiding movable rod, and the outer wall of the other end of the guiding movable rod is fixedly connected with the inner wall of the limiting sliding block.

Preferably, the one end of interior activity buffer rod has been seted up interior swing joint groove, spacing sliding tray has all been seted up to the both sides of interior swing joint groove inner wall, the one end outer wall of interior activity buffer rod and the inner wall fixed connection who promotes the buffer board, the both sides of promotion buffer board one end all with the front end fixed connection of buffer damper, it all is located the inner chamber of internal connection movable hole and moves to promote the buffer board, the outer wall of interior activity buffer rod and the inner wall swing joint of interior movable hole.

Preferably, the limiting sliding block is located on the inner wall of the limiting sliding groove and moves, and the outer wall of the guiding movable rod is located inside the inner movable connecting groove and moves.

Preferably, both sides of the rear end of the pushing buffer plate are fixedly connected with the other end of the inner movable buffer rod, and the front end of the pushing buffer plate is fixedly connected with an anti-skid cushion block.

The beneficial effects are that: compared with the prior art, the utility model provides a trolley structure for a bridge crane, which has the following beneficial effects: this dolly structure for bridge crane, the buffer effect of anticollision during dolly movable frame removal has been convenient for strengthened through the buffer gear who sets up, when the dolly movable frame is located the guide rail and moves, if meet misoperation or inside damage when leading to dolly movable frame activity mistake, can prevent the collision between dolly movable frame and the two support, also utilized buffer damper and elastic component to strengthen the buffer effect, prevented that powerful impact from damaging equipment.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a trolley structure for a bridge crane.

Fig. 2 is a schematic view of a part of a buffer mechanism of a trolley structure for a bridge crane according to the present utility model.

Fig. 3 is a partially exploded view of a buffer mechanism of a trolley structure for a bridge crane according to the present utility model.

Fig. 4 is a schematic plan view of the internal structure of a buffer mechanism of a trolley structure for a bridge crane according to the present utility model.

In the figure: 1. a trolley movable frame; 2. connecting an electric hoist; 3. a buffer mechanism; 4. controlling a speed reducer; 5. moving a guide wheel; 6. a telescopic rope connecting disc; 7. a lifting hook; 301. positioning a connecting plate; 302. supporting a buffering outer frame; 303. the inner part is connected with the movable hole; 304. a buffering damper; 305. a guide movable rod; 306. an elastic member; 307. a limit sliding block; 308. an inner movable buffer rod; 309. an inner movable connecting groove; 310. a limit sliding groove; 311. pushing the buffer plate; 312. an anti-skid cushion block.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a trolley structure for a bridge crane comprises a trolley movable frame 1, wherein an electric hoist 2 is fixedly connected to the upper end of the trolley movable frame 1, a control speed reducer 4 is fixedly connected to the rear part of the upper end of the trolley movable frame 1, a buffer mechanism 3 is fixedly connected to the front end and the rear end of the trolley movable frame 1, movable guide wheels 5 are movably connected to four corners of the lower end of the trolley movable frame 1, a telescopic rope connecting disc 6 is movably connected to the lower end of the electric hoist 2, and a lifting hook 7 is fixedly connected to the lower end of the telescopic rope connecting disc 6, so that lifting is facilitated.

Further, the buffer mechanism 3 comprises a positioning connection plate 301, a supporting buffer outer frame 302, an inner connecting movable hole 303, a buffer damper 304, a guiding movable rod 305, an elastic piece 306, a limiting sliding block 307, an inner movable buffer rod 308, an inner movable connecting groove 309, a limiting sliding groove 310, a pushing buffer plate 311 and an anti-slip cushion block 312, wherein the front end and the rear end of the trolley movable frame 1 are fixedly connected with the rear end of the positioning connection plate 301, and the two sides of the front end of the positioning connection plate 301 are fixedly connected with the supporting buffer outer frame 302, so that the firmness is enhanced.

Further, the front end of the supporting buffering outer frame 302 is provided with inner connecting movable holes 303, the rear ends of the buffering dampers 304 are located on two sides of the rear end inside the inner connecting movable holes 303 and are fixedly connected with one end of the guiding movable rod 305, an elastic piece 306 is sleeved on the outer wall of the guiding movable rod 305, the outer wall of the other end of the guiding movable rod 305 is fixedly connected with the inner wall of the limiting sliding block 307, and the limiting sliding block 307 is located inside the limiting sliding groove 310 and moves.

Further, the inner movable connecting groove 309 has been seted up to the one end of inner movable buffer rod 308, spacing sliding groove 310 has all been seted up to the both sides of inner movable connecting groove 309 inner wall, the one end outer wall of inner movable buffer rod 308 and the inner wall fixed connection who promotes buffer plate 311, the both sides of promotion buffer plate 311 one end all with the front end fixed connection of buffer damper 304, promote buffer plate 311 all to be located the inner chamber of inner connection movable hole 303 and move, the outer wall of inner movable buffer rod 308 and the inner wall swing joint of inner movable hole 303, the buffering activity of being convenient for.

Further, the limiting sliding block 307 is located on the inner wall of the limiting sliding groove 310 and moves, and the outer wall of the guiding movable rod 305 is located inside the inner movable connecting groove 309 and moves, so that buffering and moving are facilitated.

Further, both sides of the rear end of the pushing buffer plate 311 are fixedly connected with the other end of the inner movable buffer rod 308, and the front end of the pushing buffer plate 311 is fixedly connected with an anti-slip cushion block 312, so that protection is facilitated.

Working principle: the anti-collision and buffering effects during the movement of the trolley movable frame 1 are enhanced through the buffer mechanism 3, when the trolley movable frame 1 is located on the guide rail and moves, if misoperation or internal damage is encountered and the trolley movable frame 1 is caused to move, the collision between the trolley movable frame 1 and the two supports can be prevented, the buffering effects are enhanced by the buffer damper 304 and the elastic piece 306, the equipment is prevented from being damaged by strong impact force, when the anti-skid cushion block 312 contacts with the supports pushing the buffer plate 311 and the two supports, the internal movable buffer rod 308 is driven to move inwards in the internal connecting movable hole 303, so that the elastic piece 306 is compressed, the buffering effects are enhanced by the buffer damper 304, and the limiting sliding block 307 is located in the limiting sliding groove 310 and moves to act on limiting.

It should be noted that in this document, relational terms such as first and second (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.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a trolley structure for bridge crane, includes dolly adjustable shelf (1), its characterized in that: the electric hoist is characterized in that the electric hoist (2) is connected to the upper end of the trolley movable frame (1) in a positioning mode, a control speed reducer (4) is fixedly connected to the rear portion of the upper end of the trolley movable frame (1), a buffer mechanism (3) is fixedly connected to the front end and the rear end of the trolley movable frame (1), movable guide wheels (5) are movably connected to four corners of the lower end of the trolley movable frame (1), a telescopic rope connecting disc (6) is movably connected to the lower end of the electric hoist (2), and a lifting hook (7) is fixedly connected to the lower end of the telescopic rope connecting disc (6).

2. The trolley structure for a bridge crane according to claim 1, wherein: the buffer mechanism (3) comprises a positioning connecting plate (301), a supporting buffer outer frame (302), an inner connecting movable hole (303), a buffer damper (304), a guiding movable rod (305), an elastic piece (306), a limiting sliding block (307), an inner movable buffer rod (308), an inner movable connecting groove (309), a limiting sliding groove (310), a pushing buffer plate (311) and an anti-slip cushion block (312), wherein the front end and the rear end of the trolley movable frame (1) are fixedly connected with the rear end of the positioning connecting plate (301), and the two sides of the front end of the positioning connecting plate (301) are fixedly connected with the supporting buffer outer frame (302).

3. The trolley structure for a bridge crane according to claim 2, wherein: the front end of the support buffering outer frame (302) is provided with inner connection movable holes (303), the rear ends of the buffering dampers (304) are located on two sides of the inner rear ends of the inner connection movable holes (303) and are fixedly connected, the middle of the inner rear ends of the inner connection movable holes (303) are fixedly connected with one end of the guide movable rod (305), the outer wall of the guide movable rod (305) is sleeved with elastic pieces (306), and the outer wall of the other end of the guide movable rod (305) is fixedly connected with the inner wall of the limit sliding block (307).

4. A trolley structure for a bridge crane according to claim 3, characterized in that: interior swing joint groove (309) have been seted up to the one end of interior activity buffer rod (308), spacing sliding tray (310) have all been seted up to the both sides of interior swing joint groove (309) inner wall, the one end outer wall of interior activity buffer rod (308) and the inner wall fixed connection who promotes buffer plate (311), the both sides of promotion buffer plate (311) one end all with the front end fixed connection of buffer damper (304), promote buffer plate (311) all to be located the inner chamber of internal connection movable hole (303) and move about, the outer wall of interior activity buffer rod (308) and the inner wall swing joint of interior movable hole (303).

5. The trolley structure for a bridge crane according to claim 4, wherein: the limiting sliding block (307) is located on the inner wall of the limiting sliding groove (310) and moves, and the outer wall of the guiding movable rod (305) is located inside the inner movable connecting groove (309) and moves.

6. The trolley structure for a bridge crane according to claim 5, wherein: both sides of the rear end of the pushing buffer plate (311) are fixedly connected with the other end of the inner movable buffer rod (308), and the front end of the pushing buffer plate (311) is fixedly connected with an anti-slip cushion block (312).