CN217366934U - Lifting hook resetting buffer for unpowered self-balancing escape device - Google Patents
Lifting hook resetting buffer for unpowered self-balancing escape device Download PDFInfo
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- CN217366934U CN217366934U CN202220936052.XU CN202220936052U CN217366934U CN 217366934 U CN217366934 U CN 217366934U CN 202220936052 U CN202220936052 U CN 202220936052U CN 217366934 U CN217366934 U CN 217366934U
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Abstract
The utility model discloses a hook reset buffer for a powerless self-balancing escape device, which comprises a stop seat and a sleeve coaxially arranged with the stop seat, wherein the stop seat is in a cylinder shape with a closed top, and the sleeve can extend into the stop seat and move up and down along the axial direction of the stop seat; the top of the sleeve is provided with a top plate, a baffle ring is arranged in the sleeve and is a circular ring with a central hole, the baffle ring is fixed on the inner wall of the sleeve, a mandrel is arranged in the central hole of the baffle ring, pull rings are arranged at two ends of the mandrel, and an annular boss integrated with the mandrel is arranged above the pull ring at the lower end of the mandrel; the mandrel is sleeved with a buffer spring, the buffer spring is fixed between the baffle ring and the annular boss, and the mandrel penetrates through the central hole of the baffle ring and moves up and down along the central hole of the baffle ring to drive the buffer spring to stretch. The utility model discloses can effectively slow down the striking between lifting hook and the locking component, furthest's reduction is to the damage of part, the impact force that the buffering personnel descend to produce.
Description
Technical Field
The utility model belongs to the technical field of escape device, specifically speaking relates to a lifting hook reset buffer for unpowered self-balancing escape device.
Background
In petrochemical plants, a large number of towers, reactors, vessels, storage tanks, and other associated high-rise structures (hereinafter referred to as high-rise facilities or buildings) are typically provided. These high-rise equipment or buildings are often disposed in areas that are at risk of fire, flammable, explosive and in fire hazard. When a fire hazard situation is encountered, the operator is in an extremely dangerous situation if he is on the top floor of high-rise equipment and buildings or other operating platforms. It is necessary to escape quickly.
In view of the above circumstances, can be provided with the fast speed that need not external power from taking the balanced heavy escape device that falls from on the platform of fleing of heavy-duty equipment and high-rise building, this kind of escape device is owing to be equipped with balanced heavy, need not to realize personnel's fleeing with the help of power or other external forces normal use, safe and reliable, but this kind of device rises at the lifting hook and gets back to the reset in-process of platform of fleing, and there is stronger striking between the retaining member who sets up on the platform of fleing, cause the damage of part easily and cause certain impact to the personnel of fleing.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the impact between the lifting hook and the stop component is large in the prior unpowered self-balancing escape device, the utility model provides a lifting hook reset buffer for the unpowered self-balancing escape device.
The utility model provides a lifting hook reset buffer for a powerless self-balancing escape device, which comprises a stop seat and a sleeve coaxially arranged with the stop seat, wherein the stop seat is in a cylinder shape with a closed top, and the sleeve can extend into the stop seat and move up and down along the axial direction of the stop seat; the top of the sleeve is provided with a top plate, a baffle ring is arranged in the sleeve and is a circular ring with a central hole, the baffle ring is fixed on the inner wall of the sleeve, a mandrel is arranged in the central hole of the baffle ring, pull rings are arranged at two ends of the mandrel, and an annular boss integrated with the mandrel is arranged above the pull ring at the lower end of the mandrel; the mandrel is sleeved with a buffer spring, the buffer spring is fixed between the baffle ring and the annular boss, and the mandrel penetrates through the central hole of the baffle ring and moves up and down along the central hole of the baffle ring to drive the buffer spring to stretch; the center of the top of the stop seat and the center of the top plate are provided with small holes for the steel wire rope to pass through.
The utility model also provides another lifting hook reset buffer for the unpowered self-balancing escape device, which comprises a stop seat and a sleeve coaxially arranged with the stop seat, wherein the stop seat is in a cylinder shape with a closed top, and the sleeve can extend into the stop seat and move up and down along the axial direction of the stop seat; the sleeve is fixed on a supporting boss of the movable pulley block shell, a buffer spring is fixed at the bottom of the sleeve, a top plate is fixed at the upper end of the buffer spring, and the top plate can extend into the stopping seat and move up and down along the axial direction of the stopping seat; of course, the stop seat can be made into a circular groove-shaped structure which is aligned with the moving vertical center line of the movable pulley block.
As a further improvement scheme, a stop spring can be arranged in the stop seat, the upper end of the stop spring is fixed at the top of the stop seat, and the lower end of the stop spring hangs freely. The stop spring may further buffer the impact.
In order to protect the top plate, an anti-collision plate can be arranged on the top plate, the anti-collision plate is made of non-metal materials and can protect the top plate, and the anti-collision plate is convenient to replace.
The working principle of the utility model is as follows:
to the utility model discloses a buffer: when the lifting hook moves upwards to reset, the tensile force of the steel wire rope is transmitted to the buffer spring through the mandrel, then transmitted to the annular boss and the retaining ring through the buffer spring, and finally transmitted to the sleeve through the retaining ring, so that the sleeve and the top plate on the sleeve are driven to move upwards together; in the process of the collision between the top plate and the stop seat, the upward movement trend of the lifting hook is slowed down under the action of the elastic force of the buffer spring, the impact of the elastic force of the stop spring on the top plate is buffered for the second time, and the impact of the lifting hook on the stop seat is greatly slowed down through the two-time buffering.
To the utility model discloses a second kind buffer: when the lifting hook moves upwards to reset, the pull force of the steel wire rope drives the movable pulley block, the sleeve, the buffer spring, the top plate and the like which are arranged on the supporting boss of the shell of the movable pulley block to move upwards together, in the process of collision between the top plate and the stop seat, the upward movement trend of the lifting hook and the movable pulley block is slowed down under the action of the elastic force of the buffer spring, the impact of the elastic force of the stop spring on the top plate is buffered for the second time, and the impact of the lifting hook on the stop seat is greatly slowed down through the two times of buffering.
The utility model has the advantages as follows:
1) the utility model discloses the structure is unique, installation convenient to use, and the security is high, and the range of application is wide.
2) The utility model discloses can effectively slow down the striking between lifting hook and the locking component, furthest's reduction is to the damage of part, and the impact force that the buffering personnel descend the production, and more land steadily when realizing personnel to descend.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is another schematic structural diagram of the present invention.
In the figure: 1-equipment platform, 2-stop seat, 3-stop spring, 4-steel wire rope, 5-anticollision plate, 6-top plate, 7-sleeve, 8-buffer spring, 9-upper end pull ring, 10-baffle ring, 11-mandrel, 12-annular boss, 13-lower end pull ring, 14-pull rod, 15-hook, 16-movable pulley block shell, 17-support boss and 18-movable pulley block.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention, the lifting hook reset buffer for the unpowered self-balancing escape device provided by the present invention comprises a stop seat 2 and a sleeve 7 coaxially disposed with the stop seat 2, the stop seat 2 is a cylinder with a closed top, and the sleeve 7 can extend into the stop seat 2 and move up and down along the axial direction of the stop seat 2; the stopping seat 2 is fixed on the equipment platform 1, and a stopping spring 3 is arranged in the stopping seat 2; the top of the sleeve 7 is provided with a top plate 6, and the top plate 6 is provided with an anti-collision plate 5; the anti-collision plate 5 is made of non-metal materials and can be made of plastics, rubber and the like, a baffle ring 10 is arranged in the sleeve 7, the baffle ring 10 is a circular ring with a central hole and is fixed on the inner wall of the sleeve 7, a mandrel 11 is arranged in the central hole of the baffle ring, an upper end pull ring 9 is arranged at the upper end of the mandrel 11, a lower end pull ring 13 is arranged at the lower end of the mandrel 11, and an annular boss 12 integrated with the mandrel 11 is arranged above the lower end pull ring 13; the core shaft 11 is sleeved with a buffer spring 8, the buffer spring 8 is fixed between the baffle ring 10 and the annular boss 12, and the core shaft 11 penetrates through a central hole of the baffle ring and moves up and down along the central hole of the baffle ring to drive the buffer spring 8 to stretch; the center of the top of the stop seat 2, the center of the top plate 6 and the center of the anti-collision plate 5 are provided with small holes for the steel wire rope 4 to pass through, the lower end of the steel wire rope 4 is connected with the upper end pull ring 9, and the lifting hook 15 is connected with the lower end pull ring 13 through a pull rod 14.
As shown in fig. 1, in the process of returning when the hook 15 moves upward, the pulling force of the steel wire rope 4 is transmitted to the buffer spring 8 through the mandrel 11, then transmitted to the annular boss 12 and the retaining ring 10 through the buffer spring 8, and finally transmitted to the sleeve 7 through the retaining ring 10, so as to drive the sleeve 7 and the top plate 6 thereon to move upward together; in the process of the collision between the top plate 6 and the stop seat 2, the upward movement trend of the hook 15 is slowed down by the elastic force of the buffer spring 8, the impact of the top plate 6 is buffered for the second time by the elastic force of the stop spring 3, and the impact of the hook 15 on the stop seat 2 is greatly slowed down by the buffering for the second time.
Fig. 2 is another schematic structural diagram of the present invention, and the another hook reset buffer for a non-powered self-balancing escape device provided by the present invention comprises a stopping seat 2 and a sleeve 7 coaxially disposed with the stopping seat 2, wherein the stopping seat 2 is cylindrical with a closed top, and can be made into a circular groove structure aligned with the moving vertical center line of the movable pulley block 18. The sleeve 7 can extend into the stop seat 2 and move up and down along the axial direction of the stop seat 2; the sleeve 7 is fixed on a supporting boss 16 of a movable pulley block shell 17, a buffer spring 8 is fixed at the bottom of the sleeve 7, a top plate 6 is fixed at the upper end of the buffer spring 8, and the top plate 6 can extend into the stopping seat and move up and down along the axial direction of the stopping seat 2. The stopping seat 2 is fixed on the equipment platform 1, a stopping spring 3 is arranged in the stopping seat 2, and an anti-collision plate 5 is arranged on the top plate 6; the anti-collision plate 5 is made of non-metal materials, such as plastics, rubber, graphite gaskets and the like, and the steel wire rope 4 bypasses the movable pulley block 18 to drive the lifting hook 15 to move; the hook 15 is connected to the lower end of the movable pulley block shell 17 through a pull rod 14.
As shown in fig. 2, in the process of resetting when the hook 15 moves upward, the pulling force of the wire rope 4 drives the movable pulley block 18, the sleeve 7 mounted on the supporting boss 16 of the housing 17 thereof, the buffer spring 8, the top plate 6 and the anti-collision plate 5 to move upward together, in the process of collision between the top plate 6 and the stopper seat 2, the upward movement trend of the hook 15 and the movable pulley block 18 is slowed down by the elastic force of the buffer spring 8, the impact of the top plate 6 is buffered secondarily by the elastic force of the stopper spring 3, and the impact of the hook 15 on the stopper seat 2 is greatly slowed down by buffering twice.
Claims (5)
1. A lifting hook reset buffer for a non-powered self-balancing escape device is characterized in that: the locking device comprises a stopping seat and a sleeve coaxially arranged with the stopping seat, wherein the stopping seat is in a cylindrical shape with a closed top, and the sleeve can extend into the stopping seat and move up and down along the axial direction of the stopping seat; the top of the sleeve is provided with a top plate, a baffle ring is arranged in the sleeve and is a circular ring with a central hole, the baffle ring is fixed on the inner wall of the sleeve, a mandrel is arranged in the central hole of the baffle ring, pull rings are arranged at two ends of the mandrel, and an annular boss integrated with the mandrel is arranged above the pull ring at the lower end of the mandrel; the mandrel is sleeved with a buffer spring, the buffer spring is fixed between the baffle ring and the annular boss, and the mandrel penetrates through the central hole of the baffle ring and moves up and down along the central hole of the baffle ring to drive the buffer spring to stretch; the center of the top of the stop seat and the center of the top plate are provided with small holes for the steel wire rope to pass through.
2. A lifting hook reset buffer for a non-powered self-balancing escape device is characterized in that: the locking device comprises a stopping seat and a sleeve coaxially arranged with the stopping seat, wherein the stopping seat is in a cylindrical shape with a closed top, and the sleeve can extend into the stopping seat and move up and down along the axial direction of the stopping seat; the sleeve is fixed on a supporting boss of the movable pulley block shell, a buffer spring is fixed at the bottom of the sleeve, a top plate is fixed at the upper end of the buffer spring, and the top plate can extend into the stopping seat and move up and down along the axial direction of the stopping seat.
3. A buffer according to claim 1 or 2, characterized in that: and a stop spring is arranged in the stop seat, the upper end of the stop spring is fixed at the top of the stop seat, and the lower end of the stop spring hangs freely.
4. The buffer according to claim 1 or 2, wherein: and the top plate is provided with an anti-collision plate.
5. The buffer of claim 4, wherein: the anti-collision plate is made of plastic or rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220936052.XU CN217366934U (en) | 2022-04-21 | 2022-04-21 | Lifting hook resetting buffer for unpowered self-balancing escape device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220936052.XU CN217366934U (en) | 2022-04-21 | 2022-04-21 | Lifting hook resetting buffer for unpowered self-balancing escape device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217366934U true CN217366934U (en) | 2022-09-06 |
Family
ID=83109115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220936052.XU Active CN217366934U (en) | 2022-04-21 | 2022-04-21 | Lifting hook resetting buffer for unpowered self-balancing escape device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217366934U (en) |
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2022
- 2022-04-21 CN CN202220936052.XU patent/CN217366934U/en active Active
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