CN201519395U - Guide rail for anti-dropping device - Google Patents
Guide rail for anti-dropping device Download PDFInfo
- Publication number
- CN201519395U CN201519395U CN2009202469282U CN200920246928U CN201519395U CN 201519395 U CN201519395 U CN 201519395U CN 2009202469282 U CN2009202469282 U CN 2009202469282U CN 200920246928 U CN200920246928 U CN 200920246928U CN 201519395 U CN201519395 U CN 201519395U
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- guide rail
- deck
- proof device
- falling proof
- self
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Abstract
The utility model provides a guide rail for an anti-dropping device. The guide rail is provided with at least one clamping seat which is protruded from the surface of a parent body of the guide rail; the upper end surface of the clamping seat is a clamping and stopping surface which produces the blocking and stopping brake with a clamping block of a self-locking device; and the connecting part between the clamping seat and the parent body of the guide rail gradually thickens from up to down. The utility model also provides the anti-dropping device comprising the guide rail. The guide rail for the anti-dropping device effectively solves the negative effects caused by the whole stamping of the clamping seat of the guide rail, and has better load-carrying capability; the guide rail and the self-locking device of the anti-dropping device have safer and more reliable braking performance and do not affect the normal self action and overhauling operation while protecting the security of operating personnel.
Description
Technical field
The utility model is about a kind of guide rail, specifically is about a kind of falling proof device guide rail.
Background technology
China's electric power line pole tower is made up of cement pole, iron tower, and highly basically all more than 20 meters, work such as the installation of circuit, maintenance, maintenance all need operating personnel's shaft tower up and down, carry out work high above the ground.Falling proof device can provide safety guarantee for the operating personnel reliably.
Falling proof device is to be used for shaft tower high-rise working personnel climbing, moving and the operation process skyborne protective articles of back safety suspension that falls.Normally used falling proof device is the guidance type falling proof device in work high above the ground at present, generally is made up of guide rail, self-locking device (catching device), safety belt critical pieces such as (ropes), mainly is to produce braking effect by the interaction between self-locking device and the guide rail.
Traditional guidance type falling proof device is to rely on the rubbing action between self-locking device and the guide rail to produce braking effect, also claims the friction-type falling proof device.The braking of friction-type falling proof device needs that enough big coefficient of friction is arranged between self-locking device and the guide rail, and the guide rail material is had specific (special) requirements; And need when operation on inclined guide rails or when laterally moving the people in tow self-locking device move, at this moment self-locking device is easy to take place self-locking, thereby influences staff's normal action; In addition, will there be great potential safety hazard in guide rail covering water, icing or covering under the wet goods bad working environments condition, can't normally use.
In order to improve work high above the ground personnel's security protection, relevant design personnel study falling proof device, have improved the mutual braking mechanism between guidance type falling proof device self-locking device and the guide rail.For example, CN 201205413Y discloses a kind of fall arrest equipment, wherein be to stamp out to the projecting inward deck of chute on the C type chute guide rail longitudinally, utilize the fixture block of self-locking device and the upper surface generation card of guide rail upper blocking seat to end effect and realize anti-fall, such braking mechanism has improved the reliability of braking with traditional simple comparing by friction catch, and the use of guide rail can not covered water, icing or cover the wet goods working condition and limits.
Yet, the deck of above-mentioned guide rail is whole punch forming, during punching press, the guide rail mother metal is stretching in and forms boss in the guide rail chute as deck, owing to there be concentrating of stress when punching press, mother metal stretches inhomogeneous, stretch zones often concentrates on deck and the part that the material parent is connected, and causes this position thickness attenuation, and outwards amount of tension is big more, this position thickness is thin more, until fracture.See also the side schematic view of this deck structure shown in Figure 1, the deck boss of this structure thin excessively with guide rail parent coupling part (seeing also arrow indication position among Fig. 1 with guide rail parent coupling part around the boss) all around.When self-locking device falls in guide rail; the connecting portion of deck and guide rail parent will bear very great stress; and when impulsive force is excessive; because the connecting portion very thin thickness of this deck and guide rail parent; be easy to cause fracture; in case fracture does not just have a safeguard protection effect, operating personnel's personal safety is worked the mischief.In addition, adopt the guide rail of this structure, for make self-locking device in uphill process, be not subjected to guide rail deck boss influence and can art skating, can guarantee that simultaneously self-locking device can effectively realize locking with deck when falling, the fixture block of self-locking device should be enough big from the flexible amplitude of housing bottom, the fixture block pivot is longer apart from the contact point distance of fixture block and guide rail deck boss, like this, deck when self-locking device falls on fixture block and the guide rail is had an effect, the impulsive force of passing to the self-locking device body by fixture block is bigger, causes the damage of self-locking device body easily and causes dangerous coefficient to increase.
Therefore, it is very necessary researching and developing safe and reliable falling proof device, for guaranteeing that the work high above the ground safety of persons is significant.
The utility model content
Main purpose of the present utility model is the demand according to work high above the ground on China's electric power line pole tower; defective at existing falling proof device; its associated components structure is improved; a kind of falling proof device guide rail is provided; with the braking reliability of raising falling proof device, thereby improve operating personnel's security protection.
Another purpose of the present utility model is to provide a kind of falling proof device that comprises described guide rail.
For achieving the above object, the utility model at first provides a kind of falling proof device guide rail, this guide rail is provided with at least one deck that protrudes guide rail parent surface, this deck upper surface is with the self-locking device fixture block locking surface that card ends braking to take place, and the coupling part of this deck and guide rail parent from top to bottom progressively thickens.
Described deck of the present utility model is to form by the guide rail parent is implemented Sheet Metal Forming Technology, in the process middle guide fertile material stretching of punching press, thereby forms the deck that protrudes from the guide rail parent.
According to specific embodiments of the present utility model, the locking surface of described deck from the upper end protrudes the guide rail parent fraction to the lower end height successively decreases; Preferably, the height of this deck lower end protrusion guide rail parent fraction is 0 (the deck lower end is that one is connected with the guide rail parent).
Because in punching course, the material that forms deck can't be accomplished even stretching, the part amount of tension that deck is connected with the guide rail parent is big more, and this position thickness is thin more.The height that the design locking surface of deck from the upper end protrudes the guide rail parent fraction in the utility model to the lower end successively decreases, be the part that is connected with the guide rail parent of deck from top to bottom amount of tension successively decrease, so, the thickness at position of being stretched progressively increases progressively from top to bottom, deck shock resistance with this structure is good, and the stress that can bear is also big.
According to specific embodiments of the present utility model, the height that the locking surface of described deck protrudes the guide rail parent fraction is 3～15mm.
According to specific embodiments of the present utility model, the height to the lower end is 10～50mm to described deck from the locking surface of upper end; Described deck width is 15～100mm.
According to specific embodiments of the present utility model, described falling proof device is provided with a plurality of decks with guide rail, and the distance between adjacent deck is 20～200mm.Preferably, consider that according to factors such as the manufacturing process of deck, installations the distance between the adjacent deck that is provided with on the utility model middle guide is 100～160mm, most preferably 140mm.Preferably, described deck is provided with in the guide rail equal intervals.
According to falling proof device guide rail of the present utility model, it is specifically as follows C type chute guide rail, and described deck is to the projecting inward setting of chute.
According to specific embodiments of the present utility model, also be provided with the fixing through hole of using that runs through the guide rail parent on the described guide rail, to utilize fixation kit this guide rail is fixed on the shaft tower.
According to falling proof device guide rail of the present utility model, it is specifically as follows longitudinal rail or inclined guide rails.
The utility model also provides a kind of falling proof device, and this falling proof device comprises self-locking device, guide rail and safety belt, and wherein said guide rail is above-mentioned guide rail of the present utility model.
The falling proof device of the present utility model making of guide rail, key is described deck shape and structure unlike the prior art, this deck can be to be stamped to form according to described deck shape by the guide rail mother metal, and other making of guide rail comprise that material and manufacture craft etc. can be identical with the guide rail of prior art.
When using falling proof device of the present utility model with guide rail and falling proof device, guide rail and shaft tower are fixed, self-locking device can link to each other with operating personnel's safety belt on one's body by connectors such as U type rings, then self-locking device is fit into the guide rail chute, limit assembly can be set in the terminal up and down of guide rail to skid off from the guide rail two ends to prevent self-locking device, self-locking device can be along guide rail chute art skating after entering the guide rail chute, guide rail is fixed together by jockey and iron tower, form the track of upwards climbing iron tower, finish the position that turns at needs and also can be provided with steering gear, steering gear links to each other with the guide rail of different directions, and self-locking device can be realized the change of traffic direction in steering gear.
After installing, the operating personnel can step on tower operation and repair and maintenance operation normally, self-locking device can hang between operating personnel's waist by safety belt, with the operating personnel up and down shaft tower move, this moment, self-locking device was subjected to self gravitation and the operating personnel pulling force effect to it.In the normal operation process, the self-locking device fixture block is contracted in the self-locking device internal body, and at this moment, the locking action can not take place.When the operation personnel fell, fixture block ejected in the self-locking device, and the fixture block of ejection runs into the upper surface that the guide rail epirelief goes out deck when descending, card takes place end effect, thereby prevent the generation of falling accident.
Falling proof device of the present utility model has following beneficial effect with guide rail and falling proof device:
The utility model adopts the design principle of science, by guide rail structure design is studied improvement, a kind of guide rail with deck of new structure is provided, the deck that is provided with on it and the coupling part of guide rail parent from top to bottom progressively thicken, shock resistance is good, the stress that can bear is big, has improved the reliability of falling proof device braking; This guide rail manufacture craft is simple, and can effectively avoid the dependence to extraordinary material, greatly reduces to make and use cost; Adopt guide rail structure of the present utility model, self-locking device in uphill process, be not subjected to guide rail deck boss influence and can art skating, because deck of the present utility model protrudes the bottom-up increase of height of guide rail parent, even ejecting, the self-locking device fixture block runs into deck in up process, deck also can act on fixture block and fixture block is pushed up back in the self-locking device body, realize that the freedom of self-locking device in the guide rail chute upwards slides, therefore, utilize guide rail structure of the present utility model, the fixture block of self-locking device needn't be too big from the flexible amplitude of housing bottom, can guarantee that catching device can realize that effectively card ends self-locking with deck when falling, like this, the contact point distance of fixture block pivot can be shortened, thereby the impact of fixture block can be alleviated effectively the self-locking device body apart from fixture block and guide rail deck locking surface, also safer to self-locking device and operating personnel.In a word; falling proof device of the present utility model is with guide rail and falling proof device; efficiently solve the adverse consequences that the whole punching press of existing guide rail deck is brought; stress performance is better; security performance is higher; do not influence its normal self action and upkeep operation when can be implemented in protection operating personnel safety again, accomplish that the work high above the ground process not from protection, can solve work high above the ground personnel's security hidden trouble.Falling proof device of the present utility model is with guide rail and falling proof device; be widely used in every profession and trade and climb the security protection needs of operating environments such as high tower, high bar, Gao Tai, deep-well up and down; as industries such as electric power, communication, oil, chemical industry, fire-fighting, municipal administration, factories and miness, can guarantee that the operating personnel obtains the most reliable safeguard protection in shaft tower whole process up and down.
Description of drawings
Fig. 1 be in the prior art falling proof device with guide rail and on the structural representation of deck.
Fig. 2 is the front elevational schematic of falling proof device of the present utility model with guide rail structure.
Fig. 3 is the side-looking generalized section of falling proof device of the present utility model with guide rail structure.
Fig. 4 is the structure for amplifying schematic diagram of I part among Fig. 3, has illustrated the deck structure of falling proof device of the present utility model with guide rail.
Fig. 5 A is that A is to cross-sectional schematic among Fig. 4, and Fig. 5 B is that B has illustrated the varied in thickness of coupling part of the differing heights place deck of same deck of the present utility model and guide rail parent to cross-sectional schematic among Fig. 4.
Fig. 6 be A shown in Fig. 2 to view, illustrated falling proof device of the present utility model cross-sectional structure with guide rail.
The specific embodiment
Below by preferred specific embodiment and conjunction with figs., further describe falling proof device of the present utility model with guide rail and falling proof device and the beneficial effect that had.
See also the falling proof device guide rail structure of Fig. 2, Fig. 3, Fig. 4, Fig. 5 A, Fig. 5 B and a specific embodiment of the present utility model illustrated in Figure 6.The falling proof device of this embodiment is provided with the deck 12 that at least one protrudes guide rail parent 11 surfaces with guide rail 10, and these deck 12 upper surfaces are with the self-locking device fixture block locking surface 121 that card ends braking to take place.
In the present embodiment, described falling proof device is a C type chute guide rail with guide rail 10, and described deck 12 is to the projecting inward setting of chute.Described deck 12 is formed by the even stretch bending of punching press for the mother metal by guide rail parent 11.Fig. 5 A and Fig. 5 B have illustrated the varied in thickness of coupling part (coupling part see also among the figure shown in the arrow) of differing heights place deck 12 with guide rail parent 11 of same deck 12 of the present utility model respectively.As can be seen from the figure, the locking surface 121 of deck 12 and upper end protrudes guide rail parent 11 parts to the lower end height successively decreases, and the amount of tension of material is successively decreased, and the deformation of the generation of material is more little.Therefore, in the upper end (A view position among Fig. 4) of deck 12, deck 12 is thinner with the coupling part of guide rail parent 11; In the lower end (B view position among Fig. 4) of deck 12, deck 12 is thicker with the coupling part of guide rail parent 11, is guide rail mother metal thickness substantially.The design of this deck 12 of present embodiment is with respect to the design of deck of the prior art, and the shock resistance of this deck is better.
In the present embodiment, the size design of described deck 12 should be considered self-locking device fixture block size, for example, the self-locking device fixture block that the height of the locking surface of deck 12 upper ends protrusion guide rail parent 11 should guarantee and eject is realized effective locking, should consider deck and guide rail parent coupling part stressing conditions simultaneously.In the utility model, the height that the locking surface of described deck 12 121 protrudes guide rail parents 11 parts is generally 3～15mm, and the height to the lower end is preferably 10～50mm to described deck 12 from the locking surface 121 of upper end; Described deck 12 width are preferably 15～100mm.The height that the locking surface 121 of 12 upper ends of deck shown in the figure protrudes guide rail parent 11 is about 2 times of guide rail mother metal thickness, and deck 12 is about 5 times of guide rail mother metal thickness to the height of lower end from the locking surface 121 of upper end.Described deck 12 width are about 6 times of guide rail mother metal thickness.The thickness of described guide rail mother metal preferably is about 4mm.Falling proof device with this deck structural design of the present utility model is simple and reasonable with guide rail 10, can not influence self-locking device action during normal slip the in the guide rail chute, and can effectively improve the reliability of falling proof device braking.
The material of guide rail 10 can be rigid guideway material of the prior art, preferably wear-resisting, corrosion-resistant, shock resistance, non-ageing material, for example aluminium alloy, stainless steel etc.
In the present embodiment, described falling proof device is provided with a plurality of decks 12 with guide rail 10 equal intervals, considers according to factors such as the manufacturing process of deck, installations, and the distance of 12 of adjacent decks is about 140mm in the utility model, but operating personnel's falling distance is very short.
In the present embodiment, also be provided with the fixing usefulness through hole 13 that runs through guide rail parent 11 on the described guide rail 10, can utilize fixation kit (for example spiral shell is consolidated assembly etc., shows among the figure) that this guide rail 10 is fixed on the shaft tower.
The falling proof device guide rail of present embodiment can be used as longitudinal rail or inclined guide rails.
Use comprises that falling proof device of the present utility model is with the falling proof device of guide rail 10 when (this falling proof device also comprises self-locking device and safety belt etc.), guide rail 10 is fixed together by jockey and iron tower, form the track of upwards climbing iron tower, self-locking device is fit into the guide rail chute, limit assembly can be set in the terminal up and down of guide rail to skid off from the guide rail two ends to prevent self-locking device, self-locking device can be along guide rail chute art skating after entering the guide rail chute, finish the position that turns at needs and also can be provided with steering gear, steering gear links to each other with the guide rail of different directions, self-locking device can be realized the change of traffic direction in steering gear, self-locking device links to each other with operating personnel's safety belt on one's body by connectors such as U type rings.After installing, the operating personnel can step on tower operation and repair and maintenance operation normally, self-locking device will with the operating personnel up and down shaft tower move, this moment, self-locking device was subjected to self gravitation and the operating personnel pulling force effect to it.In the normal operation process, the self-locking device fixture block is contracted in the self-locking device internal body, and at this moment, the locking action can not take place.When the operation personnel fell, fixture block ejected in the self-locking device, and the fixture block of ejection runs into the upper surface 121 that guide rail 10 epireliefs go out deck 12 when descending, card takes place end effect, thereby prevent the generation of falling accident.Falling proof device of the present utility model has improved the reliability of falling proof device braking with the Rational structure design of guide rail 10, and is also safer to self-locking device and operating personnel.
Claims (10)
1. falling proof device guide rail, it is characterized in that, this guide rail is provided with at least one deck that protrudes guide rail parent surface, and this deck upper surface is with the self-locking device fixture block locking surface that card ends braking to take place, and the coupling part of this deck and guide rail parent from top to bottom progressively thickens.
2. falling proof device guide rail according to claim 1 is characterized in that, the locking surface of described deck from the upper end protrudes the guide rail parent fraction to the lower end height successively decreases.
3. falling proof device guide rail according to claim 1 is characterized in that, the height that the locking surface of described deck protrudes the guide rail parent fraction is 3～15mm.
4. falling proof device guide rail according to claim 1 is characterized in that, the height to the lower end is 10～50mm to described deck from the locking surface of upper end; Described deck width is 15～100mm.
5. falling proof device guide rail according to claim 1 is characterized in that this guide rail is provided with a plurality of decks, and the distance between adjacent deck is 20～200mm.
6. falling proof device guide rail according to claim 1 is characterized in that, described deck is provided with in the guide rail equal intervals.
7. falling proof device guide rail according to claim 1 is characterized in that, this guide rail is a C type chute guide rail, and described deck is to the projecting inward setting of chute.
8. falling proof device guide rail according to claim 1 is characterized in that, also be provided with on this guide rail run through the guide rail parent fixedly use through hole.
9. falling proof device guide rail according to claim 1 is characterized in that, this guide rail is longitudinal rail or inclined guide rails.
10. falling proof device, this falling proof device comprises self-locking device, guide rail and safety belt, it is characterized in that, described guide rail is each described falling proof device guide rail of claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202469282U CN201519395U (en) | 2009-11-10 | 2009-11-10 | Guide rail for anti-dropping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202469282U CN201519395U (en) | 2009-11-10 | 2009-11-10 | Guide rail for anti-dropping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201519395U true CN201519395U (en) | 2010-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202469282U Expired - Fee Related CN201519395U (en) | 2009-11-10 | 2009-11-10 | Guide rail for anti-dropping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201519395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688568A (en) * | 2011-03-25 | 2012-09-26 | 向竑 | High-altitude falling prevention track and manufacturing method thereof |
| CN108273212A (en) * | 2018-04-13 | 2018-07-13 | 安徽送变电工程有限公司 | A kind of fall-proof guide rails |
-
2009
- 2009-11-10 CN CN2009202469282U patent/CN201519395U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688568A (en) * | 2011-03-25 | 2012-09-26 | 向竑 | High-altitude falling prevention track and manufacturing method thereof |
| CN102688568B (en) * | 2011-03-25 | 2014-11-19 | 国家电网公司 | High-altitude falling prevention track and manufacturing method thereof |
| CN108273212A (en) * | 2018-04-13 | 2018-07-13 | 安徽送变电工程有限公司 | A kind of fall-proof guide rails |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20101110 |