CN211496652U

CN211496652U - Driving limiter

Info

Publication number: CN211496652U
Application number: CN202020070178.4U
Authority: CN
Inventors: 陈亮; 陈振国; 胡发东; 任智远
Original assignee: Linqing Donghua Bearing Steel Pipe Co ltd
Current assignee: Linqing Donghua Bearing Steel Pipe Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-09-15
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a driving limiter, which comprises a box body, wherein a winding shaft is arranged in a central installation cavity, one end of the winding shaft is connected with a motor fixedly arranged on the cavity wall, the other end of the winding shaft is connected with a bearing seat fixedly arranged on the cavity wall, a steel wire rope is wound on the surface of the winding shaft, the tail end of the steel wire rope passes through the bottom wall of the box body and extends out of the box body, the tail end of the steel wire rope is connected with a hook, and touch plates are arranged on two sides of the; a first support frame and a second support frame are installed at the bottom of the box body, the steel wire rope is located between the first support frame and the second support frame, travel switches are installed at the bottoms of the first support frame and the second support frame respectively, and the touch plate is located below the travel switches. When lifting by crane and reaching the confined height, touch panel and travel switch touching make the power close, make the couple be located safe distance, set up the support frame and make it can play the duplicate protection effect with No. two support frames simultaneously, avoid a travel switch to go wrong has another as reserve.

Description

Driving limiter

Technical Field

The utility model relates to a stopper, in particular to driving stopper.

Background

The crane limiter is a safety device for preventing the crane from colliding or limiting the crane to run in a certain range. The device is generally arranged on the inner side of a driving trolley and is mainly provided with a travel switch which can be used for shifting a pull handle. And a fixed limit position baffle is arranged at the end head (at the position limited by operation) of the track, and when the tower crane operates to the position, the limit baffle touches a pull handle of the travel switch to cut off a power supply for controlling walking.

The traditional traveling height limit is realized by driving a travel switch by using a line weight, lifting a lifting hook to a set height, and cutting off a power supply after the line weight is driven to start the travel switch, but the line weight and a steel wire rope are clamped or the line weight is in failure in actual use, so that the protection effect cannot be realized; and the steel wire rope is easy to rust on the outer side after long-term friction and exposure, which affects the service life. Therefore, the traveling limiter is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a driving stopper, through when lifting by crane reach the height of injecing, touch panel and travel switch touching make the power close, make the couple be located safe distance, set up a support frame and No. two support frames simultaneously and make it can play duplicate protection, it has another as reserve to avoid a travel switch to go wrong, and avoid traditional driving limit for height all to utilize the line formula to fall to drive travel switch through a support frame and No. two support frame installation travel switch, and often appear the line fall and block or the line falls the trouble and play unable guard action with wire rope in the in-service use, thereby meet accident, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a traveling crane limiter comprises a box body, a winding shaft and a motor, wherein the inner cavity of the box body is divided into a central mounting cavity and radiating cavities on two sides; a winding shaft is arranged in the central mounting cavity, one end of the winding shaft is connected with a motor fixedly arranged on the wall of the cavity, the other end of the winding shaft is connected with a bearing seat fixedly arranged on the wall of the cavity, a steel wire rope is wound on the surface of the winding shaft, the tail end of the steel wire rope penetrates through the bottom wall of the box body and extends out of the box body, the tail end of the steel wire rope is connected with a hook, and touch plates are arranged on two sides of the hook; a support frame and No. two support frames are installed to the bottom half, wire rope is located position between a support frame and No. two support frames No. one support frame and No. two support frame bottom install control motor's travel switch respectively, the touch panel is located the travel switch below, and the couple on wire rope moves the in-process upwards, and the touch panel and the travel switch contact of couple both sides, travel switch make the power close, and then control motor stop work makes the couple be located safe distance.

Furthermore, an anti-shaking maintenance box is fixedly connected between the first support frame and the second support frame, the steel wire rope penetrates through the interior of the anti-shaking maintenance box, the vertical distance between the anti-shaking maintenance box and the travel switch is 1-3cm, and the anti-shaking maintenance box plays a role in anti-shaking and maintenance in the hoisting process of the steel wire rope.

The vertical distance between the anti-shaking maintenance box and the travel switch is 1-3cm, and the anti-shaking maintenance box moves upwards under the action of the anti-shaking maintenance box in the lifting process of the steel wire rope, the shaking amplitude is smaller, the anti-shaking maintenance box moves to a position close to the travel switch, and the shaking amplitude can be almost ignored, so that the contact error between the touch panel and the travel switch caused by lifting and shaking can be avoided.

Furthermore, a through hole for placing the steel wire rope is formed in the anti-shaking maintenance box, and the diameter of the through hole is larger than that of the steel wire rope.

Furthermore, the inner cavity wall of the through hole is provided with a penetration hole, and the side wall of the through hole is adhered with sponge.

Furthermore, radiators are respectively arranged in the heat dissipation cavities at the two sides of the box body.

Furthermore, heat dissipation holes are respectively formed in the walls of the heat dissipation chambers on the two sides of the box body.

Furthermore, rain baffles are respectively arranged at the tops of two ends of the box body, and the rain baffles are inclined downwards by 20-30 degrees when being installed.

Further, a protective cover is arranged above the travel switch.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the bottom of the box body is positioned at two sides of a steel wire rope and is respectively provided with a first support frame and a second support frame, the bottoms of the first support frame and the second support frame are respectively provided with a touch travel switch with the model number of LXP-12, the lengths of the first support frame and the second support frame are determined according to a safety distance, and two sides of a hook at the bottom of the steel wire rope are provided with touch panels, so when the steel wire rope drives the hook to lift, when the lifting reaches a limited height, the touch panels touch the travel switches to turn off a power supply, so that the hook is positioned at the safety distance, the first support frame and the second support frame are arranged to play a double protection role, one travel switch is prevented from being used as a spare, and the travel switches are arranged through the first support frame and the second support frame to prevent the traditional travel switch from being driven by a line drop type, the lifting hook rises to a set height, the power supply is cut off after the line drop is supported to start the travel switch, and the line drop and the steel wire rope are clamped or the line drop fails in practical use, so that the protection effect cannot be achieved, and accidents happen.

2. The anti-shaking maintenance box is fixedly connected between the first support frame and the second support frame, the steel wire rope penetrates through the interior of the anti-shaking maintenance box, the vertical distance between the anti-shaking maintenance box and the travel switch is 1-3cm, and therefore in the process of hoisting the steel wire rope, the steel wire rope moves upwards under the action of the anti-shaking maintenance box, the shaking amplitude is smaller, the steel wire rope moves to a position close to the travel switch, and the shaking amplitude can be almost ignored, so that the contact error between the touch panel and the travel switch caused by hoisting and shaking can be avoided.

3. The through hole has been seted up in the running through of preventing shaking maintenance box, and finer infiltration hole has been seted up to the inner chamber wall of through hole, and there is the sponge at the adhesion of through hole lateral wall, and the filling has the rust cleaning maintenance agent on preventing shaking maintenance box, and when wire rope runs through to be located the through hole inner chamber, the sponge sees through the infiltration hole and adsorbs the rust cleaning maintenance agent and scribbles on the wire rope surface, makes its effective convenient maintenance protection to wire rope like this, improves wire rope's life.

4. The radiator is installed at the inner chamber both ends of box, and the louvre has been seted up to box both ends lateral wall, and the radiator is passed through the louvre and is dispelled away to the steam of box inner chamber, has improved the radiating effect like this, is equipped with the weather shield in the top both sides of louvre, can block the rainwater like this, avoids getting into the inner chamber from the louvre.

Drawings

For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is the overall structure schematic diagram of the driving limiter of the present invention.

Fig. 2 is a schematic structural view of the anti-shaking maintenance box of the driving limiter of the present invention.

In the figure: 1. a box body; 2. a winding shaft; 3. a motor; 4. a wire rope; 5. a first support frame; 6. a second support frame; 7. a shaking prevention maintenance box; 8. hooking; 9. a touch pad; 10. a travel switch; 11. a protective cover; 12. a heat sink; 13. heat dissipation holes; 14. a rain shield; 15. a through hole; 16. a penetration hole; 17. a sponge.

Detailed Description

In order to make the technical solutions in the present invention better understood, the embodiments of the present invention will be described clearly and completely below, 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 those skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1-2, a driving limiter comprises a box body 1, a winding shaft 2 and a motor 3, wherein the inner cavity of the box body 1 is divided into a central mounting cavity and heat dissipation cavities at two sides; a winding shaft 2 is arranged in the central mounting cavity, one end of the winding shaft 2 is connected with a motor 3 fixedly arranged on the wall of the cavity, the other end of the winding shaft 2 is connected with a bearing seat fixedly arranged on the wall of the cavity, a steel wire rope 4 is wound on the surface of the winding shaft 2, the tail end of the steel wire rope 4 penetrates through the bottom wall of the box body 1 and extends out of the box body 1, the tail end of the steel wire rope 4 is connected with a hook 8, and touch plates 9 are arranged on two sides of the hook 8; support frame 5 and No. two support frames 6 are installed to 1 bottom of box, wire rope 4 is located position between support frame 5 and No. two support frames 6 No. 5 and No. two support frame 6 bottoms install control motor 3's travel switch 10 respectively, touch panel 9 is located travel switch 10 below, and the in-process that moves up when couple 8 on wire rope 4, the touch panel 9 and the contact of travel switch 10 of couple 8 both sides, travel switch 10 make the power close, and then control motor 3 stop work makes couple 8 be located safe distance.

In this embodiment, as shown in fig. 1 and 2, when the crane reaches a limited height, the touch panel 9 touches the travel switch 10 to turn off the power supply, so that the hook 8 is located at a safe distance, and the first support frame 5 and the second support frame 6 are arranged to play a dual protection role, thereby preventing one travel switch 10 from being out of order and using the other travel switch as a backup.

In this embodiment, an anti-shaking maintenance box 7 is fixedly connected between the first support frame 5 and the second support frame 6, the steel wire rope 4 penetrates through the anti-shaking maintenance box 7, the vertical distance between the anti-shaking maintenance box 7 and the travel switch 10 is 1-3cm, and the anti-shaking maintenance box 7 plays a role in anti-shaking and maintenance in the process of lifting the steel wire rope 4.

The vertical distance between the anti-shaking maintenance box 7 and the travel switch 10 is 1-3cm, and by the design, in the hoisting process of the steel wire rope 4, the anti-shaking maintenance box 7 moves upwards under the action of the anti-shaking maintenance box, the shaking amplitude is smaller, the anti-shaking maintenance box moves to a position close to the travel switch 10, and the shaking amplitude can be almost ignored, so that the contact error between the touch plate 9 and the travel switch 10 caused by hoisting and shaking can be avoided.

In this embodiment, a through hole 15 for placing the wire rope 4 is formed in the anti-shaking maintenance box 7, and the diameter of the through hole 15 is larger than that of the wire rope 4.

In this embodiment, a penetration hole 16 is formed in the inner cavity wall of the penetration hole 15, and a sponge 17 is adhered to the side wall of the penetration hole 15. In this embodiment, as shown in fig. 1 and 2, the sponge 17 absorbs the rust removal maintenance agent through the penetration hole 16 and is coated on the surface of the steel wire rope 4, so that the maintenance of the steel wire rope 4 is effectively and conveniently performed.

In this embodiment, the heat radiators 12 are respectively installed in the heat dissipation chambers on the two sides of the box body 1.

In this embodiment, the heat dissipation holes 13 are respectively formed on the walls of the heat dissipation chambers on the two sides of the box body 1. In this embodiment, as shown in fig. 1, the heat generated by the heat sink 12 in the inner cavity of the case 1 is dissipated through the heat dissipating holes 13, so that the heat dissipating effect is improved.

In this embodiment, the top of the two ends of the box body 1 is respectively provided with a rain baffle 14, and the rain baffle 14 is inclined downwards by 20-30 degrees when being installed. In this embodiment, as shown in fig. 1, the rain shielding plate 14 is inclined downward by 20 to 30 degrees when being installed, so that rainwater can be blocked, and the rain shielding plate 14 is prevented from entering the inner cavity from the heat dissipation hole 13.

In this embodiment, a protective cover 11 is provided above the travel switch 10.

It should be noted that the utility model relates to a driving limiter, a box body 1, a winding shaft 2, a motor 3, a steel wire rope 4, a first support frame 5, a second support frame 6, an anti-shaking maintenance box 7, a hook 8, a touch plate 9, a travel switch 10, a protective cover 11, a radiator 12, a heat dissipation hole 13, a rain shield 14, a through hole 15, a penetration hole 16 and a sponge 17, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the driving limiter can be known by technical manuals or conventional experimental methods, when the driving limiter works, the first support frame 5 and the second support frame 6 are respectively arranged at the two sides of the steel wire rope 4 at the bottom of the box body 1, the touch travel switch 10 with the model of LXP1-12 is respectively arranged at the bottoms of the first support frame 5 and the second support frame 6, the lengths of the first support frame 5 and the second support frame 6 are determined according to a safe distance, the two sides of a hook 8 at the bottom of a steel wire rope 4 are provided with touch plates 9, so when the steel wire rope 4 drives the hook 8 to lift, when the lifting reaches a limited height, the touch plates 9 touch a travel switch 10 to turn off a power supply, the hook 8 is positioned at a safe distance, a first support frame 5 and a second support frame 6 are arranged to play a double protection role, one travel switch 10 is prevented from being in a problem, the other travel switch is used as a standby purpose, the travel switch 10 is arranged on the first support frame 5 and the second support frame 6 to prevent the traditional travelling height from being limited by utilizing a line pendant type to drive the travel switch, the lifting hook rises to a set height, the power supply is cut off after the line pendant is started, and the line pendant and the steel wire rope are clamped or the line pendant are not protected in practical use, so that accidents occur; the anti-shaking maintenance box is fixedly connected between the first support frame and the second support frame, the steel wire rope penetrates through the anti-shaking maintenance box, the vertical distance between the anti-shaking maintenance box and the travel switch is 1-3cm, and therefore in the lifting process of the steel wire rope, the steel wire rope moves upwards under the action of the anti-shaking maintenance box, the shaking amplitude is smaller and moves to a position close to the travel switch, the shaking amplitude can be almost ignored, and the contact error between the touch panel and the travel switch caused by lifting shaking can be avoided; two through holes 15 are formed in the anti-shaking maintenance box 7 in a penetrating mode, fine penetration holes 16 are formed in the inner cavity wall of the through holes 15, sponge 17 is adhered to the side walls of the through holes 15, and the anti-shaking maintenance box 7 is filled with a rust removal maintenance agent, so that when the steel wire rope 4 penetrates through the inner cavity of the through holes 15, the sponge 17 absorbs the rust removal maintenance agent through the penetration holes 16 and is coated on the surface of the steel wire rope 4, the steel wire rope 4 is effectively and conveniently maintained and protected, and the service life of the steel wire rope is prolonged; radiator 12 is installed at the inner chamber both ends of box 1, and box 1 both ends lateral wall has seted up louvre 13, and radiator 12 dispels away through louvre 13 to the steam of box 1 inner chamber, has improved the radiating effect like this, weather shield 14 is installed respectively at box 1 both ends top, can block the rainwater like this, avoids getting into the inner chamber from louvre 13.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a driving stopper, includes box (1), rolling axle (2) and motor (3), its characterized in that: the inner cavity of the box body (1) is divided into a central mounting cavity and radiating cavities at two sides; a winding shaft (2) is arranged in the central mounting cavity, one end of the winding shaft (2) is connected with a motor (3) fixedly arranged on the cavity wall, the other end of the winding shaft is connected with a bearing seat fixedly arranged on the cavity wall, a steel wire rope (4) is wound on the surface of the winding shaft (2), the tail end of the steel wire rope (4) penetrates through the bottom wall of the box body (1) and extends out of the box body (1), the tail end of the steel wire rope (4) is connected with a hook (8), and touch plates (9) are arranged on two sides of the hook (8); support frame (5) and No. two support frames (6) are installed to box (1) bottom, wire rope (4) are located position between support frame (5) and No. two support frames (6) travel switch (10) of control motor (3) are installed respectively to support frame (5) and No. two support frame (6) bottoms, touch panel (9) are located travel switch (10) below, and the in-process shifts up in couple (8) on wire rope (4), and touch panel (9) and travel switch (10) contact of couple (8) both sides, and travel switch (10) make the power close, and then control motor (3) stop work makes couple (8) be located safe distance.

2. A travel stop according to claim 1 wherein: a shake-proof maintenance box (7) is fixedly connected between the first support frame (5) and the second support frame (6), the steel wire rope (4) penetrates through the inside of the shake-proof maintenance box (7), the vertical distance between the shake-proof maintenance box (7) and the travel switch (10) is 1-3cm, and the shake-proof maintenance box (7) plays a role in shake prevention and maintenance in the hoisting process of the steel wire rope (4).

3. A travel stop according to claim 2 wherein: a through hole (15) for placing the steel wire rope (4) is formed in the shake-proof maintenance box (7), and the diameter of the through hole (15) is larger than that of the steel wire rope (4).

4. A travel stop according to claim 3 wherein: and the inner cavity wall of the through hole (15) is provided with a penetration hole (16), and the side wall of the through hole (15) is adhered with a sponge (17).

5. A travel stop according to claim 1 wherein: and radiators (12) are respectively arranged in the heat dissipation cavities at the two sides of the box body (1).

6. A driving stop according to claim 5, wherein: the heat dissipation holes (13) are respectively arranged on the wall of the heat dissipation chamber on the two sides of the box body (1).

7. A travel stop according to claim 1 wherein: rain baffles (14) are respectively installed at the tops of two ends of the box body (1), and the rain baffles (14) are inclined downwards by 20-30 degrees when being installed.

8. A travel stop according to claim 1 wherein: a protective cover (11) is arranged above the travel switch (10).