CN216512482U

CN216512482U - Explosion-proof crane for safe workshop

Info

Publication number: CN216512482U
Application number: CN202123147680.4U
Authority: CN
Inventors: 张清涛; 王苗苗; 李风强; 李延玉
Original assignee: Huajian Heavy Industry Co ltd
Current assignee: Huajian Heavy Industry Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-05-13
Anticipated expiration: 2031-12-15

Abstract

An explosion-proof crane for a safety workshop comprises a crane body, a first supporting beam, a second supporting beam and an explosion-proof electric hoist, wherein two cross beams are erected between the first supporting beam and the second supporting beam, slide rails which are in sliding connection with the explosion-proof electric hoist are laid at the lower ends of the cross beams, a crane control room is arranged at one end of the lower side of the crane body, a falling plate is erected at the lower end of the crane control room, a supporting plate is fixedly connected at the lower end of the falling plate, and a lifting device is arranged on the supporting plate; the lifting device comprises a driving structure and a lifting structure connected with the driving structure, the lifting structure comprises a locking assembly and a guide assembly connected with the locking assembly, the locking assembly is connected with a transmission belt, the guide assembly is connected with a lifting plate, and the problem of potential safety hazards existing in a climbing type crane control chamber in the prior art is effectively solved.

Description

Explosion-proof crane for safe workshop

Technical Field

The utility model relates to the field of explosion-proof cranes, in particular to an explosion-proof crane for a safe workshop.

Background

The explosion-proof hoist bridge crane is called as an explosion-proof crane for short, is a double-beam bridge crane taking an explosion-proof electric hoist as a hoisting mechanism, conforms to the regulation of JB/T10219-2001 'explosion-proof beam crane' standard, and has the advantages of mature and reliable technology, simple structure, small appearance, light weight and convenient installation, use and maintenance. The explosion-proof hoist bridge crane is widely used in factories, warehouses and stock yards of chemical engineering units, is provided with two forms of ground and a driver cab, the driver cab is divided into an open type and a closed type, the installation form is divided into a left side and a right side, and the door-entering direction is divided into a side surface and an end surface for users to select according to respective use conditions. However, the conventional explosion-proof crane adopts electrical equipment to let a user log in a crane control room, and due to the use particularity of the explosion-proof crane, the use of the electrical equipment often generates additional electrostatic particles and the like to the construction environment, thereby threatening the use of the explosion-proof crane.

The crane control formula that mostly adopts climbing formula to get into the upper end among the prior art at present, but because the instability of rope, easily cause the driver to fall carelessly, have the potential safety hazard.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the explosion-proof crane for the safety workshop, which effectively solves the problem of potential safety hazard existing in the climbing type crane entering control room in the prior art.

In order to solve the problems, the utility model adopts the technical scheme that: an explosion-proof crane for a safety workshop comprises a crane body, a first supporting beam, a second supporting beam and an explosion-proof electric hoist, wherein two cross beams are erected between the first supporting beam and the second supporting beam, slide rails which are in sliding connection with the explosion-proof electric hoist are laid at the lower ends of the cross beams, a crane control room is arranged at one end of the lower side of the crane body, a falling plate is erected at the lower end of the crane control room, a supporting plate is fixedly connected at the lower end of the falling plate, and a lifting device is arranged on the supporting plate; the lifting device comprises a driving structure and a lifting structure connected with the driving structure, the driving structure comprises a driving belt wheel and a driven belt wheel which are connected with a supporting plate in a rotating mode, a transmission belt is erected between the driving belt wheel and the driven belt wheel, the lifting structure comprises a locking assembly and a guide assembly connected with the locking assembly, the locking assembly is connected with the transmission belt, and the guide assembly is connected with a lifting plate.

Furthermore, the driving structure comprises a hand shaft, the hand shaft is fixedly connected with a worm which is rotatably connected with the lower end of the supporting plate, the lower end of the worm is meshed with a worm wheel which is coaxially and fixedly connected with a driving belt wheel, and the driving belt wheel is in transmission connection with a driven belt wheel.

Further, the locking assembly comprises an L-shaped plate, a pair of locking nuts are in threaded connection with the inner wall of the L-shaped plate, the locking nuts are all rotatably connected with a locking plate, the inner sides of the locking plate and the L-shaped plate are all connected with a transmission belt, and the other end of the L-shaped plate is connected with the guiding assembly.

Furthermore, the guide assembly comprises a fixed side plate fixedly connected with the L-shaped plate, two groups of first rollers and second rollers corresponding to the first rollers are rotatably connected to the fixed side plate, a guide plate is arranged at one end of the support plate, two sides of the guide plate are respectively in sliding connection with the first rollers and the second rollers, and one end of the fixed side plate is fixedly connected with the lifting plate.

Further, the side wall of the lifting board is provided with a handrail.

Furthermore, anti-skidding teeth are arranged at the opposite positions of the L-shaped plate and the locking plate.

Further, the other end of the lower side of the crane body is provided with a fixing plate, and a dust removal fan is arranged on the fixing plate.

The utility model has novel structure, ingenious conception and simple and convenient operation, and compared with the prior art, the utility model has the following advantages:

1. according to the utility model, by arranging the lifting device, a driver is sent into the control room of the crane by using the lifting device, compared with the conventional file climbing type entering, the safety coefficient is higher, and the potential safety hazard can be effectively avoided.

2. The lifting device adopts a transmission belt transmission mode, the movement process is stable, the stability is strong, the noise is low, and the lifting device is suitable for use in a safety workshop.

3. According to the utility model, the lifting is controlled manually, the self-locking function of the worm gear is utilized, the stability in the lifting process is ensured, the traditional electric equipment is distinguished from entering in the lifting process, and excessive electrostatic particles cannot be generated to influence the safety production.

Drawings

Fig. 1 is a front view of an explosion-proof crane for a safety workshop according to the present invention.

Fig. 2 is a first perspective view of a lifting device of an explosion-proof crane for a safety workshop according to the present invention.

Fig. 3 is a second perspective view of the lifting device of the explosion-proof crane for the safety workshop according to the utility model.

Fig. 4 is a schematic structural diagram of a locking assembly of an explosion-proof crane for a safety workshop according to the utility model.

Reference numbers in the figures: 1-a first supporting beam, 2-a cross beam, 3-an explosion-proof electric hoist, 4-a second supporting beam, 5-a supporting plate, 6-a fixing plate, 7-a dust removal fan, 8-a crane control room, 9-a landing plate, 10-an L-shaped plate, 11-a first roller, 12-a limiting sliding plate, 13-a second roller, 14-a worm wheel, 15-a worm, 16-a hand shaft, 17-a lifting plate, 18-an armrest, 19-a driving pulley, 20-a transmission belt, 21-a driven pulley, 22-a fixing side plate, 23-a locking nut, 24-a locking plate, 25-a crane body and 26-a sliding rail.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.

An explosion-proof crane for a safety workshop is shown in figures 1-4 and comprises a crane body 25, a first supporting beam 1, a second supporting beam 4 and an explosion-proof electric hoist 3, wherein two cross beams 2 are erected between the first supporting beam 2 and the second supporting beam 2, a slide rail 26 which is in sliding connection with the explosion-proof electric hoist 3 is laid at the lower end of each cross beam 2, a crane control room 8 is arranged at one end of the lower side of the crane body 25, a falling plate 9 is erected at the lower end of the crane control room 8, a supporting plate 5 is fixedly connected to the lower end of the falling plate 9, and a lifting device is arranged on the supporting plate 5; the lifting device comprises a driving structure and a lifting structure connected with the driving structure, the driving structure comprises a driving belt wheel 19 and a driven belt wheel 21 which are rotatably connected with the supporting plate 5, a transmission belt 20 is erected between the driving belt wheel 19 and the driven belt wheel 21, the lifting structure comprises a locking assembly and a guide assembly connected with the locking assembly, the locking assembly is connected with the transmission belt 20, and the guide assembly is connected with a lifting plate 17.

When the anti-explosion electric hoist is used, the crane body 25 is positioned between the first supporting beam 1 and the second supporting beam 4 and can move back and forth along the directions of the first supporting beam 1 and the second supporting beam 4, the first supporting beam 1 and the second supporting beam 4 play a role in supporting and limiting the crane body 25, and the anti-explosion electric hoist 3 can move left and right along a sliding rail 26 laid at the lower end of the cross beam 2 and is used for adjusting the left and right lifting positions; when a driver needs to land in the crane control room 8, the driver stands on the lifting plate 17 to control the driving structure to work, the driving structure realizes the rotation of the transmission belt 20, the locking assembly locks the transmission belt 20, the locking assembly drives the guide assembly to work, the guide assembly drives the lifting plate 17 to lift, and the lifting plate 17 drives the driver to lift to the position 26 of the falling plate and enter the crane control room 8.

As shown in figure 2, the driving structure comprises a hand shaft 16, a worm 15 which is rotatably connected with the lower end of the supporting plate 5 is fixedly connected with the hand shaft 16, a worm wheel 14 which is coaxially and fixedly connected with a driving belt wheel 19 is meshed with the lower end of the worm 15, and the driving belt wheel 19 is in belt transmission connection with a driven belt wheel 21.

Preferably, when ascending and descending, the hand shaft 16 is controlled to rotate, the worm 15 carried by the hand shaft 16 rotates, the worm wheel 14 carried by the worm 15 rotates, the driving pulley 19 carried by the worm wheel 14 rotates, and the driving pulley 19 and the driven pulley 21 are matched to realize the rotation of the transmission belt 20.

As shown in FIGS. 3 and 4, the locking assembly comprises an L-shaped plate 10, a pair of locking nuts 23 are threadedly connected to the inner wall of the L-shaped plate 10, the locking nuts 23 are rotatably connected with a locking plate 24, the locking plate 24 and the inner side of the L-shaped plate 10 are connected with a transmission belt 20, and the other end of the L-shaped plate 10 is connected with a guide assembly.

Preferably, the transmission belt 20 is placed between the L-shaped plate 10 and the locking plate 24, and when the locking nut 23 is turned, the locking nut 23 moves the locking plate 24, and the locking plate 24 presses and locks the transmission belt 20.

As shown in fig. 2, the guiding assembly includes a fixed side plate 22 fixedly connected to the L-shaped plate 10, two sets of first rollers 11 and second rollers 13 corresponding to the first rollers 11 are rotatably connected to the fixed side plate 22, a guiding plate 12 is disposed at one end of the supporting plate 5, two sides of the guiding plate 12 are slidably connected to the first rollers 11 and the second rollers 13, respectively, and one end of the fixed side plate 22 is fixedly connected to the lifting plate 17.

Preferably, the transmission belt 20 rotates the in-process, and the transmission belt 20 drives the L-shaped plate 10 to reciprocate, and the L-shaped rod drives the fixed side plate 22 to ascend and descend, and the first idler wheel 11 and the second idler wheel 13 on the fixed side plate 22 rotate along the guide plate 12, so as to play a limiting role in the ascending and descending process of the fixed side plate 22, and ensure the stability of the fixed side plate 22 in the ascending and descending process of the lifting plate 17.

As shown in fig. 2 and 3, the side wall of the lifting plate 17 is provided with handrails 18.

Preferably, the handrail 18 is provided, so that the stability of the body of the driver can be ensured during the lifting and lowering of the lifting plate 17.

As shown in fig. 4, anti-slip teeth are arranged at the opposite positions of the L-shaped plate 10 and the locking plate 24.

Preferably, the anti-slip teeth can effectively lock both sides of the driving belt 20, prevent the driving belt 20 from sliding, and reduce the stability in the lifting process.

Further, the other end of the lower side of the crane body 25 is provided with a fixing plate 6, and the fixing plate 6 is provided with a dust removal fan 7.

Preferably, the dust removal fan 7 can blow away the electrostatic particles generated in the movement process of the explosion-proof electric block 3, and the damage to the explosion-proof electric block 3 caused by the large-amount accumulation of the electrostatic particles at the lower side of the explosion-proof electric block 3 is avoided.

When the anti-explosion electric hoist is used, the crane body 25 is positioned between the first supporting beam 1 and the second supporting beam 4 and can move back and forth along the directions of the first supporting beam 1 and the second supporting beam 4, the first supporting beam 1 and the second supporting beam 4 play a role in supporting and limiting the crane body 25, and the anti-explosion electric hoist 3 can move left and right along a sliding rail 26 laid at the lower end of the cross beam 2 and is used for adjusting the left and right positions of lifting; when a driver needs to log in the crane control room 8, the driver stands on the lifting plate 17, a worker controls the hand shaft 16 to rotate, the hand shaft 16 drives the worm 15 to rotate, the worm 15 drives the worm wheel 14 to rotate, the worm wheel 14 drives the driving belt wheel 19 to rotate, the driving belt wheel 19 is matched with the driven belt wheel 21 to realize the rotation of the transmission belt 20, the transmission belt 20 is placed between the L-shaped plate 10 and the locking plate 24, the locking nut 23 is rotated, the locking nut 23 drives the locking plate 24 to move, the locking plate 24 extrudes and locks the transmission belt 20, the transmission belt 20 drives the L-shaped plate 10 to move up and down in the rotating process of the transmission belt 20, the L-shaped rod drives the fixed side plate 22 to move up and down, the first roller 11 and the second roller 13 on the fixed side plate 22 rotate along the guide plate 12 to play a limiting role in the lifting process of the fixed side plate 22, and ensure the stability of the fixed side plate 22 in the lifting process of driving the lifting plate 17, the lift plate 17 lifts the driver to the landing plate position 26 and into the crane control room 8.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. An explosion-proof hoist for safety workshop which characterized in that: the anti-explosion electric hoist control device comprises a crane body (25), a first supporting beam (1), a second supporting beam (4) and an anti-explosion electric hoist (3), wherein two cross beams (2) are erected between the first supporting beam (1) and the second supporting beam (4), a sliding rail (26) which is in sliding connection with the anti-explosion electric hoist (3) is laid at the lower end of each cross beam (2), a crane control room (8) is arranged at one end of the lower side of the crane body (25), a falling plate (9) is erected at the lower end of the crane control room (8), a supporting plate (5) is fixedly connected at the lower end of the falling plate (9), and a lifting device is arranged on the supporting plate (5); the lifting device comprises a driving structure and a lifting structure connected with the driving structure, the driving structure comprises a driving belt wheel (19) and a driven belt wheel (21) which are rotationally connected with the supporting plate (5), and a transmission belt (20) is erected between the driving belt wheel (19) and the driven belt wheel (21); the lifting structure comprises a locking assembly and a guide assembly connected with the locking assembly, the locking assembly is connected with a transmission belt (20), and the guide assembly is connected with a lifting plate (17).

2. The explosion-proof crane for the safety workshop as claimed in claim 1, wherein: the driving structure further comprises a hand shaft (16), a worm (15) rotatably connected with the lower end of the supporting plate (5) is fixedly connected to the hand shaft (16), a worm wheel (14) coaxially and fixedly connected with a driving belt wheel (19) is meshed with the lower end of the worm (15), and the driving belt wheel (19) is in belt transmission connection with a driven belt wheel (21).

3. The explosion-proof crane for the safety workshop as claimed in claim 1, wherein: the locking assembly comprises an L-shaped plate (10), a pair of locking nuts (23) are in threaded connection with the inner wall of the L-shaped plate (10), the locking nuts (23) are all rotatably connected with a locking plate (24), the inner sides of the locking plate (24) and the L-shaped plate (10) are all connected with a transmission belt (20), and the other end of the L-shaped plate (10) is connected with the guide assembly.

4. The explosion-proof crane for the safety workshop as claimed in claim 3, wherein: the direction subassembly is including fixed curb plate (22) with L shaped plate (10) rigid coupling, rotate on fixed curb plate (22) and be connected with two sets of first gyro wheels (11) and with first gyro wheel (11) corresponding second gyro wheel (13), backup pad (5) one end is equipped with deflector (12), deflector (12) both sides respectively with first gyro wheel (11) and second gyro wheel (13) sliding connection, fixed curb plate (22) one end and lifter plate (17) rigid coupling.

5. The explosion-proof crane for the safety workshop as claimed in claim 4, wherein: the side wall of the lifting plate (17) is provided with a handrail (18).

6. The explosion-proof crane for the safety workshop as claimed in claim 3, wherein: anti-skid teeth are arranged at the opposite positions of the L-shaped plate (10) and the locking plate (24).

7. The explosion-proof crane for the safety workshop as claimed in claim 1, wherein: the other end of the lower side of the crane body (25) is provided with a fixing plate (6), and the fixing plate (6) is provided with a dust removal fan (7).