CN210858076U - Elevator shaft opening safety protection device - Google Patents
Elevator shaft opening safety protection device Download PDFInfo
- Publication number
- CN210858076U CN210858076U CN201921330786.8U CN201921330786U CN210858076U CN 210858076 U CN210858076 U CN 210858076U CN 201921330786 U CN201921330786 U CN 201921330786U CN 210858076 U CN210858076 U CN 210858076U
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- Prior art keywords
- buffer
- safety
- safety net
- elevator shaft
- falling
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- 238000005303 weighing Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005381 potential energy Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
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Abstract
The utility model discloses an elevator shaft mouth safety protection device, relating to the field of protection, which is characterized in that the elevator shaft mouth safety protection device comprises an anti-falling safety net covering the elevator shaft mouth, a connecting device connecting the anti-falling safety net and a shaft wall, and a buffer device arranged on the connecting device; buffer including being used for carrying out the buffer that cushions preventing weighing down the safety net, the buffer includes the casing, wears out the casing bottom and links to each other in the pull rod of preventing weighing down the safety net and with pull rod and casing inner wall link to each other and take place the first elastic component of deformation when preventing weighing down safety net pulling pull rod through connecting device, the top of casing is passed through connecting device and is linked to the wall of a well. The safety protection device has the technical effects that the falling personnel are buffered by arranging the buffer device, and the falling personnel are prevented from being impacted by the anti-falling safety net, so that the safety of the falling personnel is ensured.
Description
Technical Field
The utility model relates to a construction protection field, in particular to elevartor shaft mouth safety device.
Background
In recent years, with the progress of urbanization, high-rise and super high-rise buildings are increasing, and the use of elevators is also increasing. However, in the building construction process, corresponding elevator well mouths are generally reserved for elevators until the whole building structure is finished and then the elevators are installed. Because the high-rise building is far away from the ground, once people fall from the elevator well mouth, the high-rise building is very dangerous. According to the safety protection erection standard of the elevator well head, the elevator well head must be provided with a protection railing or a fixed gate, a first safety net must be arranged on positive and negative zero floors in the elevator well head, and a safety plain net is arranged on the upper part of the elevator well head at intervals of two layers and at most 10 m.
At present, a Chinese patent with the publication number of CN203867208U discloses a safety protection device for a building construction elevator shaft, which comprises an elevator shaft door fence, an anti-falling safety net in the elevator shaft and an elevator shaft door anti-falling safety net, and forms a plurality of safety protection measures.
Although this kind of safety net of preventing weighing down in construction elevator well head safety device's elevator well can be when taking place the incident that falls the personnel of catching up the whereabouts, nevertheless because the floor is higher relatively, and some floors probably need demolish protector when the construction, the impact force that personnel produced when falling on the safety net after the whereabouts of longer floor is great, prevent weighing down the safety net owing to be expansion bolts bolt fixed mounting on the wall of a well of elevartor shaft, the buffering effect who plays is limited, produces the injury to the personnel that fall easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an elevator well mouth safety device, it cushions the personnel that fall through setting up buffer, avoids the personnel that fall to receive and prevents weighing down the stronger impact of safety net to personnel's that fall safety has been ensured.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a safety protection device for an elevator shaft opening comprises a connecting device for connecting an anti-falling safety net covering the elevator shaft opening with an anti-falling safety net and a shaft wall, and also comprises a buffer device arranged on the connecting device; buffer including being used for carrying out the buffer that cushions preventing weighing down the safety net, the buffer includes the casing, wears out the casing bottom and links to each other in the pull rod of preventing weighing down the safety net and with pull rod and casing inner wall link to each other and take place the first elastic component of deformation when preventing weighing down safety net pulling pull rod through connecting device, the top of casing is passed through connecting device and is linked to the wall of a well.
By adopting the technical scheme, when a human body falls at an elevator wellhead and falls on the anti-falling safety net, the anti-falling safety net is impacted to move downwards and drive the connecting device, and the connecting device transmits the impact to the buffer. The pull rod receives the impact and is pulled in the direction of keeping away from the casing, and the inside first elastic component of casing takes place to deform and cushions to make the people who drops on preventing weighing down the safety net receive cushioning effect, avoid falling personnel to receive and prevent weighing down the stronger impact of safety net, thereby ensured the personnel's that fall safety.
Further setting: the first elastic piece is a first pressure spring, the first pressure spring is connected to the bottom of the shell, the first pressure spring is sleeved outside the pull rod, and one end, far away from the bottom of the shell, of the first pressure spring is connected to the pull rod.
Through adopting above-mentioned technical scheme, the pull rod receives the impact and when being pulled in the direction of keeping away from the casing, and first pressure spring receives the oppression of pull rod and takes place the shrink, and at the in-process of first pressure spring shrink, human kinetic energy is turned into the inside elastic potential energy of first pressure spring gradually, and the deformation volume of first pressure spring is the buffer distance that the buffer provided promptly. Due to the existence of the buffer distance, people falling on the anti-falling safety net are subjected to buffer action, and falling personnel are prevented from being impacted by the anti-falling safety net, so that the safety of the falling personnel is guaranteed.
Further setting: the first elastic piece is a tension spring, the tension spring is connected to the top of the shell, and one end, far away from the top of the shell, of the tension spring is connected to the pull rod.
By adopting the technical scheme, when the pull rod is impacted and pulled in the direction far away from the shell, the tension spring is pulled by the pull rod to be stretched, the kinetic energy of a human body is gradually converted into the elastic potential energy in the tension spring in the stretching process of the tension spring, and the deformation amount of the tension spring is the buffering distance provided by the buffer. Due to the existence of the buffer distance, people falling on the anti-falling safety net are subjected to buffer action, and falling personnel are prevented from being impacted by the anti-falling safety net, so that the safety of the falling personnel is guaranteed.
Further setting: the connecting device comprises a first steel cable which is connected with the top end of the buffer and is bolted on the well wall, and a second steel cable which is connected with the pull rod and the anti-falling safety net.
Further setting: buffer still including locating the buffer beam between the adjacent first cable wire, the buffer beam is installed on the wall of a well and the first cable wire of tensioning, the buffer beam includes the second elastic component of pressurized shrink, two horizontal poles that link to each other through the second elastic component and install the pulley of keeping away from second elastic component one end on the horizontal pole, the pulley butt in first cable wire and with first cable wire roll connection.
The two ends of the buffer rod are respectively provided with a pulley which is connected with the first steel cable in a rolling way, and the buffer rod is also provided with a second elastic piece which contracts when the two ends are stressed.
Through adopting above-mentioned technical scheme, the human body falls to preventing weighing down the safety net, prevents weighing down safety net undercut, and its four sides are close to each other, also are close to each other between the second cable wire that links to each other with preventing weighing down the safety net to make first cable wire produce the oppression towards the buffer beam direction to the pulley at buffer beam both ends, the compression of second elastic component atress on the buffer beam. During the contraction process of the second elastic part, the kinetic energy of the human body is gradually converted into the elastic potential energy in the second elastic part. Because the buffer rod length of the first cable wire of tensioning shortens, be close to each other between the first cable wire and by the lapse, produced one section buffer distance to make the people that drops on preventing weighing down the safety net receive cushioning effect, avoid falling personnel to receive and prevent weighing down the strong impact of safety net, thereby ensured the personnel's that fall safety.
Further setting: the sliding surface of the pulley is provided with a sliding groove, and the first steel cable is embedded in the sliding groove and is in sliding connection with the sliding groove.
Through adopting above-mentioned technical scheme, first cable wire is restricted and slides in the slip recess, avoids first cable wire to break away from the pulley and makes the buffer beam inefficacy.
Further setting: the second elastic piece is a double-layer rectangular spring with high pressure resistance.
By adopting the technical scheme, the spring made of the rectangular section material can obtain larger load under the same space and the same deformation. Compared with the spring made of circular section material, the spring has larger section area in the same space, so that the spring absorbs large energy. And the spring is arranged in a double-layer manner, so that the pressure resistance of the spring is further improved.
To sum up, the utility model discloses following beneficial effect has: the falling personnel are buffered by arranging the buffer device, so that the falling personnel are prevented from being strongly impacted by the anti-falling safety net, and the safety of the falling personnel is guaranteed; the multi-stage buffer arrangement has stronger buffer effect; simple structure, convenient production and maintenance.
Drawings
Fig. 1 is a schematic structural view of an elevator hoistway safety guard according to a first preferred embodiment;
FIG. 2 is a schematic view of the structure of the pulley;
fig. 3 is a schematic structural view of an elevator hoistway safety guard according to a second preferred embodiment.
In the figure, the position of the upper end of the main shaft,
1. the anti-falling safety net;
2. a connecting device; 21. a first wire rope; 22. a second wire rope;
3. a buffer device; 31. a buffer; 311. a housing; 312. a pull rod; 313. a first elastic member; 314. a first pressure spring; 315. a tension spring; 32. a buffer rod; 321. a pulley; 322. a second elastic member; 323. a second pressure spring; 324. a cross bar; 325. a sliding groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
First preferred embodiment:
the utility model provides an elevator well mouth safety device, as shown in figure 1, including cover elevator well mouth prevent weighing down safety net 1, connect prevent weighing down safety net 1 and the connecting device 2 of the wall of a well and install buffer 3 on connecting device 2.
Continuing to fig. 1, the anti-falling safety net 1 is in a square shape and is formed by a plurality of ropes. When the person who loses foot takes place to fall at the elevator well head, prevent weighing down safety net 1 and hold people's back undercut, its four sides are close to and wrap up the people in the net to human top to prevent that the person who loses foot from continuing the tenesmus.
As shown in fig. 1, the buffer device 3 includes a buffer 31 for buffering the anti-falling safety net 1, and the buffer 31 includes a housing 311, a first elastic member 313 installed in the housing 311, and a pull rod 312 penetrating the bottom of the housing 311, in which the first elastic member 313 is a first compression spring 314 in this embodiment. The top of the housing 311 is connected to the well wall through the connecting device 2, the part of the pull rod 312 inside the housing 311 is sleeved in the first compression spring 314, the first compression spring 314 is connected to the bottom of the housing 311, and one end of the first compression spring 314 far away from the bottom of the housing 311 is connected to the pull rod 312. The part of the tie rod 312 outside the housing 311 is connected to the safety net 1 via the connecting device 2. When the pull rod 312 is impacted and pulled in a direction away from the housing 311, the first compressed spring 314 is compressed by the pull rod 312 to contract, and during the contraction of the first compressed spring 314, the kinetic energy of the human body is gradually converted into elastic potential energy inside the first compressed spring 314, and the deformation amount of the first compressed spring 314 is the buffering distance provided by the buffer 31. Due to the existence of the buffer distance, people falling on the anti-falling safety net 1 are enabled to receive the buffer action, the falling personnel are prevented from being impacted by the anti-falling safety net 1, and the safety of the falling personnel is guaranteed.
Continuing with fig. 1, the connecting device 2 comprises a first cable 21 and a second cable 22 connecting the tension rod 312 and the safety net 1. The first steel cable 21 is connected with the top end of the buffer 31, and one end of the first steel cable 21 far away from the buffer 31 is bolted on the well wall; the second cable 22 is connected to the pull rod 312, and an end of the second cable 22 away from the pull rod 312 is connected to the anti-falling safety net 1. The damping device 3 further comprises a damping rod 32 arranged between adjacent first cables 21, the damping rod 32 being mounted on the borehole wall and tensioning the first cables 21. As shown in fig. 2, the buffer rod 32 includes a second elastic member 322 compressed, two cross bars 324 connected by the second elastic member 322, and a pulley 321 mounted on one end of the cross bar 324 far from the second elastic member 322, wherein the pulley 321 abuts against the first cable 21 and is connected with the first cable 21 in a rolling manner. The pulley 321 is provided with a sliding groove 325, and the first cable 21 is embedded in the sliding groove 325 and is slidably connected with the sliding groove 325. As shown in fig. 1, the buffer rod 32 is further provided with a second elastic member 322, in this embodiment, a second compression spring 323 is used. When a human body falls to the anti-falling safety net 1, the anti-falling safety net 1 is sunken downwards, the four sides of the anti-falling safety net are close to each other, the second steel cables 22 connected with the anti-falling safety net 1 are also close to each other, the first steel cables 21 are used for pressing the pulleys 321 at the two ends of the buffer rod 32 towards the direction of the buffer rod 32, and the second pressure springs 323 on the buffer rod 32 are stressed and compressed. During the contraction of the second compressed spring 323, the kinetic energy of the human body is gradually converted into the elastic potential energy inside the second compressed spring 323. Because the length of the buffer rod 32 for tensioning the first steel cable 21 is shortened, the first steel cable 21 is close to each other and pulled downwards, and a buffer distance is generated, so that people falling on the anti-falling safety net 1 are buffered, the falling personnel are prevented from being impacted by the anti-falling safety net 1, and the safety of the falling personnel is ensured.
Second preferred embodiment: the difference from the first preferred embodiment is that, as shown in fig. 3, the first elastic member 313 is a tension spring 315, the tension spring 315 is connected to the top of the housing 311, and one end of the tension spring 315 away from the top of the housing 311 is connected to the pull rod 312. When the pull rod 312 is impacted and pulled in a direction away from the housing 311, the tension spring 315 is pulled by the pull rod 312 to be elongated, the kinetic energy of the human body is gradually converted into the elastic potential energy inside the tension spring 315 during the elongation of the tension spring 315, and the deformation amount of the tension spring 315 is the buffering distance provided by the buffer 31. Due to the existence of the buffer distance, people falling on the anti-falling safety net 1 are enabled to receive the buffer action, the falling personnel are prevented from being impacted by the anti-falling safety net 1, and the safety of the falling personnel is guaranteed.
The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.
Claims (7)
1. An elevator shaft mouth safety protection device comprises an anti-falling safety net (1) covering an elevator shaft mouth and a connecting device (2) connecting the anti-falling safety net (1) and a shaft wall, and is characterized by further comprising a buffer device (3) arranged on the connecting device (2); buffer (3) are including being used for buffer (31) that buffer prevents weighing down safety net (1), buffer (31) include casing (311), wear out casing (311) bottom and link in pull rod (312) of preventing weighing down safety net (1) through connecting device (2) and with pull rod (312) and casing (311) inner wall link to each other and take place first elastic component (313) of deformation when preventing weighing down safety net (1) pulling pull rod (312), the top of casing (311) links in the wall of a well through connecting device (2).
2. The elevator shaft opening safety device according to claim 1, wherein the first elastic member (313) is a first compression spring (314), the first compression spring (314) is connected to the bottom of the housing (311), the first compression spring (314) is sleeved outside the pull rod (312), and one end of the first compression spring (314) away from the bottom of the housing (311) is connected to the pull rod (312).
3. Elevator shaft opening safety device according to claim 1, characterized in that the first spring (313) is a tension spring (315), the tension spring (315) being attached to the top of the housing (311), the end of the tension spring (315) remote from the top of the housing (311) being attached to the tension rod (312).
4. Elevator shaft safety arrangement according to claim 3, characterized in that the attachment means (2) comprise a first wire (21) which will attach the top end of the buffer (31) and which will be bolted to the shaft wall, and a second wire (22) which will attach the tie rod (312) and the fall arrest safety net (1).
5. Elevator shaft opening safety protection device according to claim 4, characterized in that the buffer device (3) further comprises a buffer rod (32) arranged between the adjacent first steel cables (21), the buffer rod (32) is mounted on the shaft wall and tensions the first steel cables (21), the buffer rod (32) comprises a second elastic member (322) which is compressed, two cross rods (324) connected through the second elastic member (322), and a pulley (321) mounted on the cross rods (324) at the end far away from the second elastic member (322), and the pulley (321) abuts against the first steel cables (21) and is connected with the first steel cables (21) in a rolling manner.
6. Elevator shaft safety device according to claim 5, characterized in that the sliding surface of the pulley (321) is provided with a sliding groove (325), and the first steel rope (21) is embedded in the sliding groove (325) and is slidably connected with the sliding groove (325).
7. An elevator shaft safety guard according to claim 5, characterized in that the second elastic member (322) is a second compression spring (323).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921330786.8U CN210858076U (en) | 2019-08-15 | 2019-08-15 | Elevator shaft opening safety protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921330786.8U CN210858076U (en) | 2019-08-15 | 2019-08-15 | Elevator shaft opening safety protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210858076U true CN210858076U (en) | 2020-06-26 |
Family
ID=71288102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921330786.8U Expired - Fee Related CN210858076U (en) | 2019-08-15 | 2019-08-15 | Elevator shaft opening safety protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210858076U (en) |
-
2019
- 2019-08-15 CN CN201921330786.8U patent/CN210858076U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |