CN211273245U

CN211273245U - Anti-falling buffer device for tower operation

Info

Publication number: CN211273245U
Application number: CN201922260687.3U
Authority: CN
Inventors: 胡家琨; 付春霞; 王鹏; 张国华
Original assignee: Qingdao Product Quality Supervision And Testing Research Center
Current assignee: Qingdao Product Quality Supervision And Testing Research Center
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-18
Anticipated expiration: 2029-12-17

Abstract

The utility model provides a buffer that falls is prevented in shaft tower operation belongs to shaft tower operation protector technical field. The technical scheme is as follows: the utility model provides a shaft tower operation buffer that prevents falling, wherein, includes urceolus and lag that outside-in cup jointed each other, fixes the closing plate at urceolus one end mouth, wears to locate in the lag, runs through the bearing cable of closing plate center department, arranges in the lag, and the cover is established at the buffer spring group in the bearing cable outside, sets up on the bearing cable, is located the outer clamp plate of the tip of keeping away from the closing plate of buffer spring group to and set up on the bearing cable, be located the spacing clamp of clamp plate outer end. The utility model has the advantages that: the utility model provides a pair of buffer that falls is prevented in shaft tower operation simple structure, conveniently carry the use, buffering effect is good, the security is high.

Description

Anti-falling buffer device for tower operation

Technical Field

The utility model relates to a shaft tower operation protector technical field especially relates to a buffer that falls is prevented in shaft tower operation.

Background

According to the requirements of the safe operation rules of electric power construction, when the transmission line climbs the tower for operation, effective safety protection measures must be taken, and the accident that the worker falls from the high place is avoided. Among the buffer that falls is prevented in current shaft tower operation, the better price of buffering effect is expensive, and the structure is complicated, and inconvenient operation personnel carry or use, is unfavorable for using widely, and the lower part of price is convenient for operation personnel to carry and use, but its buffering effect is unsatisfactory, has the potential safety hazard, also is unfavorable for using widely.

How to solve the problems in the prior art is the subject of the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a buffer that falls is prevented in shaft tower operation simple structure, conveniently carry the use, buffering effect is good, the security is high.

The utility model discloses a realize through following measure: a pole tower operation anti-falling buffer device comprises an outer barrel, a protective sleeve, a sealing plate, a bearing cable and a limiting clamp, wherein the outer barrel and the protective sleeve are sleeved with each other from outside to inside;

when the device is used, the end part, close to the closing plate, of the buffer spring group abuts against the inner end face of the closing plate, the pressing plate and the closing plate pre-tighten the buffer spring group, and therefore impact potential energy on the bearing cable is effectively absorbed in the falling process.

The utility model is characterized in that the buffer spring group comprises a first spring which is arranged close to the closing plate and a second spring which is arranged far away from the closing plate;

the elastic coefficient of the first spring is smaller than that of the second spring;

the outer diameter of the second spring is not smaller than the inner diameter of the first spring, and the inner diameter of the second spring is not larger than the outer diameter of the first spring, so that the adjacent end parts of the first spring and the second spring are always kept in a mutually abutted state in the using process.

The utility model discloses a concrete feature is still, the material of first spring sets up to rubber, the material of second spring sets up to the steel, and the first spring of rubber material can have great elastic deformation at the buffering in-process to absorb more impact and vibration, the steel material the service strength of device can be guaranteed to the second spring, is carrying out the buffering for the second time simultaneously, realizes absorbing more impact and the effect of vibration, and is preferred, the length of first spring is greater than the length of second spring, the diameter of first spring silk is greater than the diameter of second spring silk.

The utility model discloses a concrete characteristics are in addition, the clamp plate side with lag inner wall phase-match, buffer spring group swing when can avoiding using on the one hand, on the other hand can produce the frictional heat with the lag in buffer process, and further the conversion absorbs and strikes potential energy.

The utility model discloses a concrete characteristics are in addition, the lateral surface of buffer spring group with the inner wall of lag is laminated mutually, guarantees the radial stability of buffer spring group, can produce the frictional heat with the lag at the buffering in-process simultaneously, and more impact potential energy are absorbed in the conversion.

The utility model discloses a concrete characteristics still, the inner wall of urceolus with the outer wall phase-match of lag, preferably, the cross sectional shape of urceolus sets up to ring shape.

The utility model discloses a concrete characteristics also, the material of lag sets up to rubber, guarantees good protecting effect and can absorb more impact potential energy.

The utility model has the specific characteristics that the bearing cable is arranged into a steel wire rope.

The utility model discloses a concrete characteristics are in addition, the stop collar sets up to be less than for the size the steel wire rope of lag internal diameter size presss from both sides.

The utility model has the specific characteristics that the outer barrel and the sealing plate are integrally formed, so that the overall use strength of the device is improved.

The utility model discloses a concrete characteristics also, the lateral surface of urceolus is equipped with the connecting plate of seting up a plurality of connecting hole, and the convenience is connected with the shaft tower.

The utility model discloses during the in-service use: the connecting plate is installed on the tower through the connecting hole, the end part of the outer cylinder, provided with the closing plate, faces downwards, the bearing cable is stressed downwards in the operation process of an operator, the pressing plate is retracted into the protective sleeve under the action of the limiting clamp, and the inner end face abuts against the corresponding end part of the second spring, so that a pre-tightening effect is achieved; when an operator falls, the bearing cable is subjected to impact force, because the elastic coefficient of the first spring is relatively small, the first spring is subjected to elastic deformation to convert impact potential energy into elastic potential energy, then, if necessary, the second spring is subjected to elastic deformation to convert more impact potential energy into elastic potential energy, the first spring and/or the second spring vibrate during the elastic deformation to generate damping heat, meanwhile, because the outer sides of the first spring and the second spring are attached to the protective sleeve, the first spring and/or the second spring rub against the protective sleeve to generate friction heat during the elastic deformation, a small amount of friction heat is generated between the pressing plate and the protective sleeve, and further more energy is converted, so that the buffering and energy absorption are realized, the impact force on the operator is greatly reduced, and the personal safety of the operator is ensured.

The utility model has the advantages that: the utility model is provided with the buffer spring group, which can convert more elastic potential energy and ensure the life safety of the operating personnel to the maximum extent; the protective sleeve is arranged, so that the outer cylinder and the buffer spring group can be protected, the service life of the device is prolonged, and friction heat can be generated between the protective sleeve and the buffer spring group in the buffer process, so that the buffer effect is improved; the buffer spring is composed of a first spring made of rubber and a second spring made of steel, so that the buffer effect can be further improved while the strength and the service life of the device are ensured; set up clamp plate side, buffer spring group lateral surface and lag inner wall phase-match respectively, buffer spring group swings when can avoiding using on the one hand, and on the other hand can produce frictional heat with the lag in the buffering process, and the conversion absorbs more impact potential energy.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present invention;

fig. 2 is a schematic structural view of the present invention cut along the center line of the outer cylinder.

Wherein the reference numerals are: 1. an outer cylinder; 2. a closing plate; 3. a protective sleeve; 4. a load bearing cable; 5. a first spring; 6. a second spring; 7. pressing a plate; 8. a limiting clamp; 9. a connecting plate; 10. and connecting the holes.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1 to 2, the present invention is: a falling-prevention buffer device for tower operation comprises a steel outer cylinder 1, a protective sleeve 3 made of rubber and sleeved with each other from outside to inside, a sealing plate 2 fixed at one end of the outer cylinder, a connecting plate 9 provided with a plurality of connecting holes 10 and arranged on the outer side surface of the outer cylinder 1, wherein the closing plate 2, the connecting plate 9 and the outer cylinder 1 are respectively welded, or the closing plate 2 and the connecting plate 9 are both integrally formed with the outer cylinder 1, penetrate through the protective sleeve 3 and penetrate through the bearing cable 4 at the center of the closing plate 2, preferably, the bearing cable 4 is a steel wire rope, is arranged in the protective sleeve 3, is sleeved on the buffer spring group at the outer side of the bearing cable 4, is arranged on the bearing cable 4, is positioned on the pressing plate 7 outside the end part of the buffer spring group far away from the closing plate 2, the limiting clamp 8 is arranged on the bearing cable 4 and is positioned at the outer end of the pressing plate 7, and preferably, the limiting clamp 8 is a steel wire rope clamp with the size smaller than the inner diameter of the protective sleeve;

the buffer spring group is composed of a first spring 5 made of rubber and a second spring 6 made of steel, the first spring 5 and the second spring are sequentially arranged along the direction of a central line, adjacent end parts of the first spring and the second spring are abutted, when the buffer spring group is used, the other end of the first spring 5 abuts against the inner end face of the closing plate 2, and the other end of the second spring 6 abuts against the inner end face of the pressing plate 7; preferably, the length of the first spring 5 is greater than the length of the second spring 6, and the diameter of the spring wire of the first spring 5 is greater than the diameter of the spring wire of the second spring 6.

The side face of the pressing plate 7 is matched with the inner wall of the protecting sleeve 3, the outer side face of the buffer spring group is attached to the inner wall of the protecting sleeve 3, the inner wall of the outer barrel 1 is matched with the outer wall of the protecting sleeve 3, and preferably, the cross section of the outer barrel 1 is in a circular ring shape.

The utility model discloses during the in-service use: the connecting plate 9 is installed on a tower through the connecting hole 10, the end part of the outer cylinder 1, which is provided with the closing plate 2, faces downwards, in the operation process of an operator, the bearing cable 4 is stressed downwards, the pressing plate 7 is retracted into the protecting sleeve 3 under the action of the limiting clamp 8, and the inner end face abuts against the corresponding end part of the second spring 6, so that the pre-tightening effect is achieved; when the worker falls, the bearing cable 4 is impacted, and because the elastic coefficient of the first spring 5 is relatively small, firstly, the first spring is elastically deformed to convert impact potential energy into elastic potential energy, then, if necessary, the second spring 6 is elastically deformed to convert more impact potential energy into elastic potential energy, the first spring 5 and/or the second spring 6 is/are vibrated in the process of being elastically deformed to generate damping heat, and at the same time, because the outer sides of the first spring 5 and the second spring 6 are attached to the protective sleeve 3, in the process of elastic deformation of the first spring 5 and/or the second spring 6, generates friction heat by rubbing with the protective sleeve 3, generates a small amount of friction heat between the pressing plate 7 and the protective sleeve 3, and further more energy is converted, so that buffering and energy absorption are realized, and the impact force on personnel is greatly reduced, thereby ensuring the personal safety of the operating personnel.

The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.

Claims

1. The utility model provides a shaft tower operation buffer that prevents falling, its characterized in that includes urceolus (1) and lag (3) that outside-in cup jointed each other, fixes closing plate (2) of urceolus one port wear to locate in lag (3), run through bearing cable (4) of closing plate (2) center department are arranged in lag (3), the cover is established the buffer spring group in bearing cable (4) outside sets up on bearing cable (4), be located keeping away from of buffer spring group clamp plate (7) outside the tip of closing plate (2) to and set up and be in on bearing cable (4), be located the stop clip (8) of clamp plate (7) outer end.

2. Pole tower operation fall protection buffer device according to claim 1, characterized in that said buffer spring set comprises a first spring (5) arranged close to said closing plate (2) and a second spring (6) arranged far from said closing plate;

the elastic coefficient of the first spring (5) is smaller than that of the second spring (6);

the outer diameter of the second spring (6) is larger than the inner diameter of the first spring (5), and the inner diameter of the second spring (6) is smaller than the outer diameter of the first spring (5).

3. The pole tower operation anti-falling buffer device as claimed in claim 2, wherein the first spring (5) is made of rubber, and the second spring (6) is made of steel.

4. The pole tower operation anti-falling buffer device as claimed in claim 1, wherein the side surface of the pressure plate (7) is matched with the inner wall of the protective sleeve (3).

5. Tower operation fall protection buffering device according to any of claims 1-4, characterized in that the outer side of the buffering spring set is attached to the inner wall of the protecting sleeve (3).

6. The pole tower operation anti-falling buffer device as claimed in claim 5, wherein the protecting sleeve (3) is made of rubber.

7. A pole tower operation fall protection buffering device as claimed in claim 6, characterized in that the bearing cable (4) is provided as a steel wire rope.

8. Anti-falling buffer device for pole tower operation according to claim 7, characterized in that the limiting clamp (8) is configured as a wire rope clamp with a size smaller than the inner diameter of the protective sleeve.

9. The pole and tower operation fall protection buffer device as claimed in claim 1, wherein the outer cylinder is integrally formed with the closing plate (2).

10. The anti-falling buffer device for tower operation as claimed in claim 1, wherein the outer side of the outer cylinder (1) is provided with a connecting plate (9) provided with a plurality of connecting holes (10).