CN218879226U

CN218879226U - Single-beam electric hoist crane protection device with double insurance of heavy hammer and fire breaker

Info

Publication number: CN218879226U
Application number: CN202223098980.2U
Authority: CN
Inventors: 伍春蒙; 黄利明; 张龙; 陈许
Original assignee: Yangchun New Iron and Steel Co Ltd
Current assignee: Yangchun New Iron and Steel Co Ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-04-18
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a weight hangs protection device with single beam electric block of cutoff device dual fail-safe, including the bracing piece slide rail, bracing piece upper end bolt fastening has the slide rail, and the slide rail lower extreme installs sliding construction, the sliding construction lower extreme is installed and is promoted the structure, and promotes the structure lower extreme and be connected with the controller, it is connected with the cable wire to promote the structure lower extreme, and installs the weight stopper on the cable wire, the photoelectric switch transmitting terminal is installed to sliding construction rear end both sides. This single beam electric block of weight and outage ware dual fail-safe hangs protection device, through set up photoelectric switch transmitting terminal and photoelectric switch receiving terminal at sliding construction both ends to cooperate with the baffle of bracing piece inboard installation, can move to the slide rail terminal department time at sliding construction, shelter from photoelectric switch transmitting terminal and photoelectric switch receiving terminal middle part through the baffle, and then control sliding construction's continuation removal, prevent the collision accident because of operating personnel negligence causes, equipment and personal safety have been guaranteed.

Description

Single-beam electric hoist crane protection device with double insurance of heavy hammer and cutoff device

Technical Field

The utility model relates to a protection device technical field specifically is a weight hangs protection device with single-beam electric block of cutoff device dual fail-safe.

Background

The electric hoist is a special hoisting device, is arranged on a crown block and a gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used for industrial and mining enterprises, storage, docks and other places; the electric hoist has a compact structure, and the electric hoist with the motor axis vertical to the axis of the winding drum adopts a worm gear transmission device; the disadvantages are as follows: the length dimension is big, and the size is big in the aspect of the width, and the structure is bulky, and mechanical efficiency is low, and it is difficult etc.. The hydraulic system is dual control, and the overflow regulating valve and the magnetic contact pressure gauge can accurately control the pressure. The electric control department adopts low-voltage control, has increased the security of dominating the system, but current electric block is not provided with crashproof protective structure, still has certain problem in the use.

At present, as an electric hoist, which is disclosed in chinese patent publication No. CN202120039951.5, includes a moving seat and a lifting device disposed on the moving seat, where the lifting device includes a casing and a lifting component disposed on the casing; the casing is provided with a mounting plate, and the mounting plate is provided with at least two mounting holes; every the mounting hole all wears to be equipped with and is used for being fixed in the locking bolt that removes the seat with the mounting panel, but the device anticollision protection structure, when electric block horizontal migration on the slide rail, reachs the slide rail terminal department and can't play power-off protection, needs manual control, if operating personnel negligence is careless, causes electric block and support frame to bump easily, can cause the damage of device, can lead to the article of hoist and mount to drop and cause personnel's injures and deaths even, and the potential safety hazard is great.

Therefore, we propose a protection device for a single-beam electric hoist with double safety of a heavy hammer and a fire breaker so as to solve the problems mentioned above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single beam electric block who weight and cutoff ware dual fail-safe hangs protection device to solve the current electric block that above-mentioned background art provided and not set up crashproof protection structure, cause the collision accident because of operating personnel negligence easily when electric block removes to the slide rail terminal department, cause the problem of casualties easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a single beam electric block of weight and cutoff ware double insurance hangs protection device, includes the bracing piece slide rail:

a sliding rail is fixed at the upper end of the supporting rod through a bolt, and a sliding structure is installed at the lower end of the sliding rail;

the lower end of the sliding structure is provided with a lifting structure, the lower end of the lifting structure is connected with a controller, the lower end of the lifting structure is connected with a steel cable, and the upper end of the steel cable is provided with a heavy hammer limiter;

photoelectric switch transmitting ends are installed on two sides of the rear end of the sliding structure, and photoelectric switch receiving ends are installed on two sides of the front end of the sliding structure.

Preferably, the inner side of the upper end of the supporting rod is provided with a fixing plate, a fixing groove is formed in the end face, close to the supporting rod, of the fixing plate, the fixing groove is connected with the inner side end of the supporting rod in a clamping mode, and the fixing plate is fixedly installed on the supporting rod through bolts.

Adopt above-mentioned technical scheme, through fixed slot and bracing piece block, the rethread screw thread is installed the fixed plate in the bracing piece upper end, the fixed stop's of being convenient for position.

Preferably, the inner side end of the fixing plate is fixedly connected with a baffle, the baffle and the fixing plate are arranged in two groups, and the baffle and the fixing plate are symmetrically distributed on two sides of the axis which is the center line of the sliding rail.

By adopting the technical scheme, through the arrangement of the two groups of baffles, the middle parts of the photoelectric switch transmitting end and the photoelectric switch light-emitting receiving end can be shielded when the sliding structure moves to the tail end of the sliding rail, so that the sliding structure is controlled to stop moving, and the device is convenient to be protected from collision.

Preferably, the lower end shaft of the sliding structure is connected with a dustproof cover, and the photoelectric switch transmitting end and the photoelectric switch receiving end are arranged inside the dustproof cover.

Adopt above-mentioned technical scheme, can surround photoelectric switch transmitting terminal and photoelectric switch receiving terminal through the shield, thereby prevent that its outside from adhering to the dust and influencing the normal use of switch.

Preferably, sliding structure upper end left side fixedly connected with fixed block, and the inside drive gear that is provided with of fixed block, the driving rack is installed to slide rail front end downside, and the driving rack can be connected with the drive gear meshing.

By adopting the technical scheme, the transmission gear arranged inside the fixing block can be driven to rotate by the arrangement of the transmission rack when the sliding structure moves.

Preferably, a worm penetrates through the lower end of the fixing block, the upper end of the worm is fixedly connected with the transmission gear, a worm wheel is connected to the front end of the dustproof cover, and the right end of the worm wheel is meshed with the worm.

By adopting the technical scheme, the rotation of the worm can be driven through the rotation of the transmission gear, the worm drives the worm wheel and the dustproof cover to rotate through the worm, the dustproof cover is opened when the sliding structure is close to the tail end of the sliding rail, and the baffle can be ensured to be smoothly shielded.

Compared with the prior art, the beneficial effects of the utility model are that: the single-beam electric hoist crane protection device with double insurance of the heavy hammer and the fire breaker;

1. the photoelectric switch transmitting end and the photoelectric switch receiving end are arranged at the two ends of the sliding structure and are matched with the baffle arranged on the inner side of the supporting rod, so that when the sliding structure moves to the tail end of the sliding rail, the middle parts of the photoelectric switch transmitting end and the photoelectric switch receiving end are shielded by the baffle, the continuous movement of the sliding structure is controlled, collision accidents caused by negligence of operators are prevented, and the safety of equipment and personnel is ensured;

2. can block photoelectric switch transmitting terminal and photoelectric switch receiving terminal outside through the design of shield, prevent that the great photoelectric switch transmitting terminal and the photoelectric switch receiving terminal of adhering to of dust is outside in the factory, influence the sensitivity of normal response or response, improve this protection architecture's reliability, and when sliding construction was close slide rail terminal department, can link and open the shield, make it normally to the response.

Drawings

FIG. 1 is a schematic view of the front view structure of the present invention;

FIG. 2 is a schematic view of the structure of the fixing plate and the baffle plate of the present invention;

FIG. 3 is a schematic view of the structure of the transmission gear and the transmission rack of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is a schematic view of the structure of the fixing plate and the fixing groove of the present invention.

In the figure: 1. a support bar; 2. a slide rail; 3. a sliding structure; 4. a lifting structure; 5. a controller; 6. a steel cord; 7. a weight limiter; 8. a fixing plate; 9. fixing grooves; 10. a baffle plate; 11. a photoelectric switch transmitting terminal; 12. a photoelectric switch receiving end; 13. a dust cover; 14. a fixed block; 15. a transmission gear; 16. a drive rack; 17. a worm; 18. a worm gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a single-beam electric hoist crane protection device with double insurance of a heavy hammer and a fire breaker comprises a support rod 1, a slide rail 2 fixed on the upper end of the support rod 1 through a bolt, and a sliding structure 3 arranged on the lower end of the slide rail 2; a lifting structure 4 is arranged at the lower end of the sliding structure 3, the lower end of the lifting structure 4 is connected with a controller 5, the lower end of the lifting structure 4 is connected with a steel cable 6, and a heavy hammer limiter 7 is arranged at the upper end of the steel cable 6; the device installs cutoff ware and weight stopper 7 simultaneously, provides duplicate protection, increases the security, can make control circuit outage by weight stopper 7 after cutoff ware outage, effectively prevents the emergence of equipment and personal safety accident.

Photoelectric switch transmitting ends 11 are arranged on two sides of the rear end of the sliding structure 3, and photoelectric switch receiving ends 12 are arranged on two sides of the front end of the sliding structure 3; a fixing plate 8 is arranged on the inner side of the upper end of the supporting rod 1, a fixing groove 9 is formed in the end face, close to the supporting rod 1, of the fixing plate 8, the fixing groove 9 is connected with the end of the inner side of the supporting rod 1 in a clamping mode, and the fixing plate 8 and the supporting rod 1 are fixedly installed through bolts; the inner side of the fixed plate 8 is fixedly connected with baffle plates 10, two groups of baffle plates 10 and the fixed plate 8 are arranged, and the baffle plates 10 and the fixed plate 8 are symmetrically distributed on two sides by taking the central line of the slide rail 2 as an axis; carry out the block through fixed plate 8 through fixed slot 9 and bracing piece 1 and be connected, the rethread bolt is installed, the position of fixed two sets of baffles 10, baffle 10 can block photoelectric switch emission end 11 and photoelectric switch receiving terminal 12 middle part when sliding structure 3 removes to slide rail 2 terminal department, and then control sliding structure 3 stop motion, prevent that the collision from causing danger.

The lower end shaft of the sliding structure 3 is connected with a dust cover 13, and the photoelectric switch transmitting end 11 and the photoelectric switch receiving end 12 are arranged inside the dust cover 13; a fixed block 14 is fixedly connected to the left side of the upper end of the sliding structure 3, a transmission gear 15 is arranged inside the fixed block 14, a transmission rack 16 is mounted on the lower side of the front end of the sliding rail 2, and the transmission rack 16 can be meshed with the transmission gear 15; a worm 17 penetrates through the lower end of the fixed block 14, the upper end of the worm 17 is fixedly connected with the transmission gear 15, the front end of the dustproof cover 13 is connected with a worm wheel 18, and the right end of the worm wheel 18 is meshed with the worm 17; through the design of shield 13, can shelter from photoelectric switch transmitting terminal 11 and the photoelectric switch receiving terminal 12 outside, prevent that its outside attached dust from influencing normal response, improve the reliability of device, setting through driving rack 16, when sliding structure 3 moves and is close 2 terminal departments of slide rail, driving rack 16 meshes with drive gear 15, and drive gear 15 and worm 17 and rotate, it rotates to drive worm wheel 18 and shield 13 through worm 17, and then baffle 10 can normally shelter from photoelectric switch transmitting terminal 11 and photoelectric switch receiving terminal 12 middle part when making sliding structure 3 continue to move.

The working principle is as follows: when the single-beam electric hoist crane protection device with the double insurance of the heavy hammer and the extinguisher is used, the device is provided with the extinguisher and the heavy hammer limiter 7 simultaneously, double protection is provided, safety is improved, the heavy hammer limiter 7 can cut off the power of a control loop after the extinguisher is cut off, equipment and personal safety accidents are effectively prevented, the photoelectric switch transmitting end 11 is arranged, the photoelectric switch receiving end 12 and the baffle plate 10 are arranged, the middle parts of the photoelectric switch transmitting end 11 and the photoelectric switch receiving end 12 can be blocked by the baffle plate 10 when the sliding structure 3 moves to the tail end of the sliding rail 2, further, the sliding structure 3 is controlled to stop moving, danger caused by collision is prevented, the outer parts of the photoelectric switch transmitting end 11 and the photoelectric switch receiving end 12 can be shielded by the design of the dustproof cover 13, the influence of dust attached to the outer parts of the sliding structure to normal induction is prevented, the reliability of the device is improved, the rack 16 is meshed with the transmission gear 15 when the sliding structure 3 moves to be close to the tail end of the sliding rail 2, the transmission end 11 and the photoelectric switch receiving end are driven to rotate, the worm gear 15 and the worm 17, and the worm gear 18 and the dustproof cover 13 are driven, and the baffle plate 10 can be driven to rotate, and the photoelectric switch 11 and the photoelectric switch.

To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a single beam electric block who weight and cutoff ware double insurance hangs protection device, includes bracing piece (1) slide rail (2), its characterized in that:

a sliding rail (2) is fixed at the upper end of the supporting rod (1) through a bolt, and a sliding structure (3) is installed at the lower end of the sliding rail (2);

the lower end of the sliding structure (3) is provided with a lifting structure (4), the lower end of the lifting structure (4) is connected with a controller (5), the lower end of the lifting structure (4) is connected with a steel cable (6), and the upper end of the steel cable (6) is provided with a heavy hammer stopper (7);

photoelectric switch transmitting ends (11) are installed on two sides of the rear end of the sliding structure (3), and photoelectric switch receiving ends (12) are installed on two sides of the front end of the sliding structure (3).

2. The single-beam electric hoist crane protection device with double safety of the heavy hammer and the fire extinguisher as claimed in claim 1, wherein: the utility model discloses a bracing piece, including bracing piece (1), fixed slot (9) have been seted up to bracing piece (1) upper end inboard is provided with fixed plate (8), and the nearly bracing piece (1) terminal surface of fixed plate (8), fixed slot (9) are connected with bracing piece (1) medial extremity block, fixed plate (8) and bracing piece (1) bolt fixed mounting.

3. The single-beam electric hoist crane protection device with double safety of the heavy hammer and the fire extinguisher as claimed in claim 2, wherein: the inner side end of the fixing plate (8) is fixedly connected with a baffle (10), the baffle (10) and the fixing plate (8) are arranged in two groups, and the baffle (10) and the fixing plate (8) are symmetrically distributed on two sides of the axis which is the central line of the sliding rail (2).

4. The single-beam electric hoist crane protection device with double safety of the heavy hammer and the fire extinguisher as claimed in claim 1, wherein: the lower end shaft of the sliding structure (3) is connected with a dustproof cover (13), and the photoelectric switch transmitting end (11) and the photoelectric switch receiving end (12) are arranged inside the dustproof cover (13).

5. The single-beam electric hoist crane protection device with double safety of the heavy hammer and the fire extinguisher as claimed in claim 4, wherein: sliding structure (3) upper end left side fixedly connected with fixed block (14), and fixed block (14) inside is provided with drive gear (15), slide rail (2) front end downside is installed driving rack (16), and driving rack (16) can be connected with drive gear (15) meshing.

6. The single-beam electric hoist crane protection device with double safety of the heavy hammer and the fire extinguisher as claimed in claim 5, wherein: fixed block (14) lower extreme is run through there is worm (17), and worm (17) upper end and drive gear (15) fixed connection, shield (13) front end is connected with worm wheel (18), and worm wheel (18) right-hand member is connected with worm (17) meshing.