CN220323558U - Guide rail frame bolt falling detection system based on multiple photoelectric switches - Google Patents
Guide rail frame bolt falling detection system based on multiple photoelectric switches Download PDFInfo
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- CN220323558U CN220323558U CN202321610869.9U CN202321610869U CN220323558U CN 220323558 U CN220323558 U CN 220323558U CN 202321610869 U CN202321610869 U CN 202321610869U CN 220323558 U CN220323558 U CN 220323558U
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
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Abstract
The utility model discloses a guide rail frame bolt falling detection system based on multiple photoelectric switches, which comprises a lifter cage vertically walking on a guide rail frame, wherein the guide rail frame is formed by sequentially assembling and fixing a plurality of standard section frames through bolts, a photoelectric switch assembly is arranged on the lifter cage and comprises a photoelectric bracket rod and a plurality of photoelectric switches which are distributed and arranged on the photoelectric bracket rod and used for detecting the distance, and each photoelectric switch is respectively used for transmitting a light beam signal to the bolt at a corresponding position so as to judge whether the bolt at the position falls. The photoelectric switch assembly has the advantages of reasonable and simple structural design, more comprehensive detection range, higher safety and convenient installation and use, can be widely applied to elevators of different types, and is convenient for installing a bolt detection function for an old elevator without the function.
Description
Technical Field
The utility model relates to the technical field of detection of bolts of guide rail frames, in particular to a detection system for falling off of bolts of guide rail frames based on a multi-photoelectric switch.
Background
With the continuous progress of urban construction in China, thousands of construction elevators are operated continuously on the construction site every day. As a member of the special equipment, the use safety of the construction hoist is important. According to accident statistics in recent years, most of construction elevators are in accident due to loosening or falling of bolts of a guide rail frame, so that when the construction elevators are operated to the loosening or falling positions of the bolts of the guide rail frame, the guide rail frame cannot bear the weight fracture of the construction elevators, and safety accidents are caused. In order to re-generate such a safety accident, a technology capable of detecting loosening or falling of the bolts of the guide rail frame is urgently needed in the market.
Conventional bolt detection systems in the prior art can only detect whether a bolt near the side of the elevator cage is dropped, but cannot detect whether a bolt on the opposite side is dropped. If the opposite side bolt falls off, the conventional detection system cannot detect that the elevator cage still normally ascends, and a safety accident can possibly occur. Therefore, how to further improve the safety performance of the detection system, so that the detection range is more comprehensive, is a technical problem to be solved in the application.
Disclosure of Invention
The utility model aims to provide a guide rail frame bolt falling-off detection system based on a multi-photoelectric switch, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a guide rail frame bolt detecting system that drops based on many photoelectric switches, includes the lift cage of vertical walking on the guide rail frame, the guide rail frame is assembled fixedly in proper order through the bolt by a plurality of standard festival frames and is formed, install photoelectric switch subassembly on the lift cage, photoelectric switch subassembly includes a plurality of photoelectric switches that are used for detecting the distance of photoelectric cradling piece and the last distribution installation of photoelectric cradling piece, and every photoelectric switch is used for respectively to the bolt transmission light beam signal of corresponding position department to judge whether the bolt of this position department drops.
Preferably, the adjacent standard section frames are assembled and fixed through four bolts around.
Preferably, the photoelectric switches are four, two photoelectric switches at the end are used for detecting two bolts close to the elevator cage, and two photoelectric switches in the middle are respectively used for detecting two bolts far away from the elevator cage.
Preferably, the photoelectric switches are all electrically connected with the signal input end of the controller, and the signal output end of the controller is electrically connected with the alarm output module.
Preferably, the controller adopts a PLC controller or a microprocessor.
Preferably, the photoelectric switch assembly further comprises a bottom seat plate, the bottom seat plate is fixedly arranged on a driving box shell, the driving box shell is fixedly arranged at the upper end of the lifting cage of the lifter, and a group of supporting side plates are fixed on the bottom seat plate; the two ends of the photoelectric support rod are respectively inserted and fixed in corresponding rod end sleeve seats, and the rod end sleeve seats are respectively and fixedly connected with corresponding support side plates; the photoelectric support rod is distributed and sleeved with a plurality of first support blocks, the first support blocks are inserted with vertical support rods, the vertical support rods are sleeved with second support blocks, and the photoelectric switch is fixedly arranged on the second support blocks.
Preferably, the ends of the first support block, which correspond to the photoelectric support rod and the vertical support rod, are provided with notch parts, and the two ends of the first support block, which correspond to the notch parts, are provided with locking screws in a penetrating manner; the end part of the second bracket block corresponding to the vertical supporting rod is provided with a notch part, and the end part of the second bracket block corresponding to the notch part is also provided with a locking screw in a penetrating way.
Preferably, the support side plate is also fixedly provided with a protective top plate.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the bolts on the guide rail frame are detected through the plurality of photoelectric switches, and each photoelectric switch faces the bolts at the corresponding position respectively, so that whether the bolts close to one side of the lifting cage of the lifter fall off or not can be detected, whether the bolts on the opposite side fall off or not can also be detected, the detection range is more comprehensive, and the safety is higher;
the photoelectric switch assembly has reasonable and simple structural design and convenient installation and use, can be widely applied to elevators of different types, and is convenient for installing a bolt detection function for the old elevator without the function in the follow-up process;
the photoelectric switch assembly has reasonable assembly structure design, is convenient for the installation of the photoelectric switch, and is also convenient for the adjustment of the height position and the angle of the photoelectric switch.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic perspective view of an optoelectronic switch assembly according to the present utility model;
FIG. 4 is an enlarged schematic view of the photoelectric switch assembly of the present utility model at A in FIG. 3;
FIG. 5 is a schematic perspective view of the photoelectric switch assembly of the present utility model with a hidden protective top plate;
FIG. 6 is an enlarged schematic view of the structure of the photoelectric switch assembly of the present utility model at B in FIG. 5;
FIG. 7 is a logic determination flow chart of the present utility model;
fig. 8 is a system block diagram of the present utility model.
In the figure: the device comprises a 1-guide rail frame, a 2-lifter cage, a 3-photoelectric switch assembly, a 31-photoelectric switch, a 32-bottom seat plate, 321-support side plates, 33-photoelectric bracket rods, 331-rod end sleeve seats, 34-bracket blocks I, 35-vertical support rods, 36-bracket blocks II, a 4-driving box shell, 5-bolts and 6-guide rail racks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 8, a guide rail frame bolt falling detection system based on multiple photoelectric switches comprises a guide rail frame 1 vertically walking on a lifting cage 2, wherein the guide rail frame 1 is formed by sequentially assembling and fixing a plurality of standard section frames through bolts 5, a photoelectric switch assembly 3 is installed on the lifting cage 2, the photoelectric switch assembly 3 comprises a photoelectric support rod 33 and a plurality of photoelectric switches 31 which are distributed and installed on the photoelectric support rod 33 and used for detecting the distance, and each photoelectric switch 31 is respectively used for transmitting a light beam signal to the corresponding bolt 5, so that whether the bolt 5 at the position falls off or not is judged.
According to the utility model, the bolts 5 on the guide rail frame 1 are detected through the plurality of photoelectric switches 31, each photoelectric switch 31 faces the bolts 5 at the corresponding position, whether the bolts 5 close to one side of the elevator cage 2 fall off or not can be detected, whether the bolts 5 on the opposite side fall off or not can also be detected, the detection range is more comprehensive, the safety is higher, and in the prior art, the conventional bolt detection system only can detect whether the bolts 5 close to one side of the elevator cage 2 fall off or not, but can not detect whether the bolts 5 on the opposite side fall off or not. If the opposite side bolt 5 falls off, the conventional detection system cannot detect that the elevator cage 2 still normally ascends, and a safety accident may occur.
The photoelectric switch assembly 3 is reasonable and simple in structural design, convenient to install and use, capable of being widely applied to elevators of different types, and convenient to install and detect bolts for old elevators without the function.
In this embodiment, the adjacent standard section frames are assembled and fixed by four bolts 5 around. The photoelectric switches 31 are arranged in four, and when the photoelectric switches 31 are specifically installed, the two photoelectric switches 31 at the end parts are used for detecting the two bolts 5 close to the elevator cage 2 by adjusting the emitting angles and the installing positions of the photoelectric switches 31, so that the two photoelectric switches 31 in the middle are respectively used for detecting the two bolts 5 far away from the elevator cage 2.
The photoelectric switches 31 are all electrically connected with the signal input end of the controller, and the signal output end of the controller is electrically connected with an alarm output module. The controller may specifically employ a PLC controller or a microprocessor.
As a specific scheme, the photoelectric switch assembly 3 further comprises a bottom seat board 32, the bottom seat board 32 is fixedly mounted on the driving box shell 4, obviously, a lifting motor can be mounted in the driving box shell 4, a traveling gear is mounted at the output end of the lifting motor, the traveling gear is in meshed connection with the guide rail rack 6 on the guide rail frame 1, the lifting motor can drive the lifting cage 2 to travel, the driving box shell 4 is fixedly mounted at the upper end of the lifting cage 2, and a group of support side plates 321 are fixed on the bottom seat board 32; the two ends of the photoelectric support rod 33 are respectively inserted and fixed in the corresponding rod end sleeve seats 331, and the rod end sleeve seats 331 are respectively fixedly connected with the corresponding support side plates 321;
the photoelectric support rod 33 is provided with a plurality of first support blocks 34 in a distributed mode, the first support blocks 34 are provided with vertical support rods 35 in an inserted mode, the second support blocks 36 are provided with the vertical support rods 35 in a sleeved mode, and the photoelectric switch 31 is fixedly installed on the second support blocks 36.
In order to facilitate the installation of the photoelectric switch 31 and the adjustment of the height position and angle of the photoelectric switch 31, the ends of the first bracket block 34, which correspond to the photoelectric bracket rod 33 and the vertical bracket rod 35, are provided with notch parts, and the two ends of the first bracket block 34, which correspond to the notch parts, are provided with locking screws in a penetrating manner;
the end part of the second bracket block 36 corresponding to the vertical supporting rod 35 is provided with a notch part, and the end part of the second bracket block 36 corresponding to the notch part is also provided with a locking screw in a penetrating way. When the height and angle of the photoelectric switch 31 need to be adjusted, the locking screw on the second bracket block 36 is loosened, the second bracket block 36 is moved up and down along the vertical support rod 35, the height can be adjusted, the second bracket block 36 is rotated around the vertical support rod 35, the angle can be adjusted, and after the adjustment is complete, the photoelectric switch can be fixed through the locking screw.
In order to protect the photoelectric switch 31, the supporting side plate 321 is fixedly provided with a protecting top plate 38, the protecting top plate 38 can play a certain role in shielding rain, and meanwhile, falling objects (such as falling bolts) can be prevented from smashing the photoelectric switch 31.
The detection steps of the utility model are as follows:
step one: the elevator cage 2 is electrified to start normal working and running, and the photoelectric switch assembly 3 in the elevator cage 2 is electrified to start working integrally;
step two: when the elevator starts to run, the photoelectric switch 31 of the detection system detects the bolt 5 on the guide rail frame 1 and transmits the generated waveform feedback to the controller;
step three: the controller judges whether the elevator cage 2 runs to the corresponding height position of the bolt 5 according to the waveform fed back by the photoelectric switch 31; if the four photoelectric switches are simultaneously operated for more than 100ms, the elevator cage 2 is considered to be moved to the fixed mounting position of the bolts 5.
When the elevator cage 2 runs to the installation position of the bolt 5, starting a detection program, and judging that the bolt 5 at the height position is not dropped off if the four photoelectric switches are simultaneously released; if the four photoelectric switches have the simultaneous states of action and non-action, the situation that the bolts 5 at the height position are likely to fall off is judged.
Step four: after the logic judges that the bolt is likely to fall off, if the simultaneous action condition of the 4 photoelectric switches appears again within 300ms, the problem that the bolt 5 falls off is judged, the elevator cage 2 stops to continue to ascend, and the voice alarm is carried out through the alarm output module.
Step five: after the failure occurs, an operator operates the elevator cage 2 to descend to the lower limit, and then releases the upward prohibition command, and a professional maintainer operates the elevator cage 2 to install the drop bolt.
Step six: if any one of the 4 photoelectric switches exists, the waveform is always ON or always OFF, and the logic judges that the bolt detection device is damaged and is wrong to install, and voice alarm is started.
In the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present utility model, and do not denote any one of the components or elements of the present utility model, and are not to be construed as limiting the present utility model.
Claims (8)
1. The utility model provides a guide rail frame bolt detecting system that drops based on many photoelectric switch, includes elevator cage (2) of vertical walking on guide rail frame (1), guide rail frame (1) are assembled fixedly in proper order by a plurality of standard festival frames through bolt (5) and are formed, its characterized in that: install photoelectric switch subassembly (3) on lift cage (2), photoelectric switch subassembly (3) are including photoelectric bracket pole (33) and a plurality of photoelectric switches (31) that are used for detecting the distance of installation on photoelectric bracket pole (33) distribution, and every photoelectric switch (31) are used for respectively to the bolt (5) transmission light beam signal of corresponding position department to judge whether bolt (5) of this position department drops.
2. The rail bracket bolt-out detection system based on the multiple photoelectric switches according to claim 1, wherein: the adjacent standard section frames are assembled and fixed through four bolts (5) around.
3. The rail bracket bolt-out detection system based on the multiple photoelectric switches according to claim 2, wherein: the photoelectric switches (31) are four, two photoelectric switches (31) at the end parts are used for detecting two bolts (5) close to the elevator cage (2), and two photoelectric switches (31) in the middle are respectively used for detecting two bolts (5) far away from the elevator cage (2).
4. The rail bracket bolt-out detection system based on the multiple photoelectric switches according to claim 3, wherein: the photoelectric switches (31) are electrically connected with the signal input end of the controller, and the signal output end of the controller is electrically connected with the alarm output module.
5. The rail bracket bolt-out detection system based on the multiple photoelectric switches according to claim 4, wherein: the controller adopts a PLC controller or a microprocessor.
6. The rail bracket bolt-out detection system based on the multi-photoelectric switch according to any one of claims 1 to 5, wherein: the photoelectric switch assembly (3) further comprises a bottom seat plate (32), the bottom seat plate (32) is fixedly arranged on the driving box shell (4), the driving box shell (4) is fixedly arranged at the upper end of the elevator cage (2), and a group of support side plates (321) are fixed on the bottom seat plate (32);
the two ends of the photoelectric support rod (33) are respectively inserted and fixed in corresponding rod end sleeve seats (331), and the rod end sleeve seats (331) are respectively and fixedly connected with corresponding support side plates (321);
the photoelectric support rod (33) is provided with a plurality of first support blocks (34) in a distributed mode, vertical support rods (35) are inserted into the first support blocks (34), second support blocks (36) are sleeved on the vertical support rods (35), and the photoelectric switch (31) is fixedly installed on the second support blocks (36).
7. The rail bracket bolt-out detection system based on the multiple photoelectric switches of claim 6, wherein: the ends of the first bracket block (34) corresponding to the photoelectric bracket rod (33) and the vertical bracket rod (35) are provided with notch parts, and the two ends of the first bracket block (34) corresponding to the notch parts are provided with locking screws in a penetrating way;
the end part of the second bracket block (36) corresponding to the vertical supporting rod (35) is provided with a notch part, and the end part of the second bracket block (36) corresponding to the notch part is also provided with a locking screw in a penetrating way.
8. The rail bracket bolt-out detection system based on the multiple photoelectric switches of claim 6, wherein: and the support side plate (321) is fixedly provided with a protective top plate (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321610869.9U CN220323558U (en) | 2023-06-21 | 2023-06-21 | Guide rail frame bolt falling detection system based on multiple photoelectric switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321610869.9U CN220323558U (en) | 2023-06-21 | 2023-06-21 | Guide rail frame bolt falling detection system based on multiple photoelectric switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220323558U true CN220323558U (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321610869.9U Active CN220323558U (en) | 2023-06-21 | 2023-06-21 | Guide rail frame bolt falling detection system based on multiple photoelectric switches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220323558U (en) |
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2023
- 2023-06-21 CN CN202321610869.9U patent/CN220323558U/en active Active
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