CN107512687B - Personnel safety detection device and detection method - Google Patents
Personnel safety detection device and detection method Download PDFInfo
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- CN107512687B CN107512687B CN201710618805.6A CN201710618805A CN107512687B CN 107512687 B CN107512687 B CN 107512687B CN 201710618805 A CN201710618805 A CN 201710618805A CN 107512687 B CN107512687 B CN 107512687B
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- detection
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- slider
- slide block
- bearing surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention provides a personnel safety detection device and a detection method, comprising the following steps: the device comprises a shell plate (11), a slide block detection substrate (5), a slide block bearing surface (12), a slide block detection plate (4), a detection plate fixing shaft (7) and a detection plate heavy hammer (8); the slide block bearing surface (12) is provided with a through hole; one end of the slide block detection plate (4) is a free end, the slide block detection plate (4) is driven by a detection plate heavy hammer (8), and the free end extends out of the through hole to the position above the slide block bearing surface (12); the personnel safety detection device further comprises: a slider trigger switch; the slide block trigger switch can be triggered by a detection plate heavy hammer (8). The anti-falling sliding block detection device is reasonable in trigger structure, can detect whether the anti-falling sliding block is normally placed or not, enables a certain damping to be formed between the sliding block detection substrate and the outer shell plate through the sensitivity adjusting spring and the friction pad, enables the anti-falling sliding block detection substrate and the outer shell plate not to be too sensitive in sliding, and avoids the action of the detection device when the anti-falling sliding block is slightly clamped.
Description
Technical Field
The invention relates to the field of lifting equipment, in particular to a personnel safety detection device and a personnel safety detection method.
Background
At present, the devices for manned lifting and transporting goods at home and abroad mainly comprise: hanging flower basket, construction elevator, exempt from to climb the ware.
The hanging basket is a specially-arranged hanging device which is erected on a building or a structure, and a hoisting machine drives a hanging platform to move up and down along a vertical surface through a steel wire rope. The window cleaning machine is mainly used for window cleaning machines. It has the safety lock with safe wire rope cooperation use to the protection that the realization falls to equipment, and does not make the requirement to safe wire rope quantity. No independent protection against falling of personnel is provided.
Construction elevators are electrically driven, temporarily installed, equipment used by building construction site personnel. The lifting device is mainly used for building lifters. The anti-falling safety device is matched with the guide rail to realize the protection of equipment falling. There is no independent fall protection for the person.
An elevator is a fixed installation in which an electrically driven car travels between two rows of rigid guide rails that are plumb or inclined at an angle of no more than 15. The method is mainly used for civil use. The safety gear is provided with a safety gear matched with a guide rail for use, and is triggered by an independent speed limiter so as to realize the protection of equipment falling. There is no independent fall protection for the person.
The crawler-free device is an electric platform which is only used by persons approved and trained by a device leader, has a rated speed of not more than 0.3m/s and a rated load capacity of not more than 320 kg. The device is mainly used for climbing operation equipment. Due to the limitation of space, the equipment cannot be provided with a shell to protect personnel. Thus, in addition to the fall arrest protection provided by the device itself, it is also required that the user must wear a full body harness and attach it to a fall arrest block which slides along a fall arrest track to prevent the fall of the person. However, the monitoring device for the anti-falling sliding block is not arranged on the same type of products at present. Therefore, the following serious safety hazards are presented:
1) The user violates the safety regulations and does not use the anti-falling sliding block.
2) When the slider is slightly jammed, the device will continue to operate. When the equipment moves upwards, the equipment can impact the sliding block and even cause shearing accidents to users; when the equipment descends, the personnel is directly lifted by the sliding block and separated from the equipment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a personnel safety detection device and a detection method.
According to the invention, the personnel safety detection device comprises: the device comprises a shell plate, a slide block detection substrate, a slide block bearing surface, a slide block detection plate, a detection plate rotating shaft and a detection plate heavy hammer;
the shell plate is provided with a guide groove, and the sliding block detection substrate is arranged on the guide groove and can slide along the guide groove; the upper part of the sliding block detection substrate is provided with a sliding block bearing surface, and the sliding block bearing surface is provided with a through hole; one end of the slide block detection plate is a free end, and the other end of the slide block detection plate is connected with a detection plate heavy hammer and is arranged on the slide block detection substrate through a detection plate rotating shaft; the free end of the slider detection plate is extended out of the through hole to be above the slider bearing surface under the driving of a detection plate heavy hammer;
the personnel safety detection device further comprises: a slider trigger switch; the slider trigger switch can be triggered by a detection plate heavy hammer.
Preferably, the personal safety detecting device further comprises: a detection sensitivity adjustment component; the detection sensitivity adjusting assembly comprises a friction pad, a sensitivity adjusting spring and an adjusting screw, and also comprises a front clamping sheet and a back clamping sheet which are respectively positioned on the front side and the back side of the shell plate;
friction pads are arranged on two sides of the sliding block detection substrate; the friction pad is clamped between the front clamping piece and the front surface of the shell plate; the front clamping piece and the back clamping piece are connected through an adjusting screw, and a sensitivity adjusting spring sleeved on the adjusting screw is extruded between the back clamping piece and the back of the outer shell plate.
Preferably, when the anti-falling slider is placed on the slider bearing surface, the free end of the slider detection plate is pressed down into the through hole of the slider bearing surface.
Preferably, the front surface of the shell plate is provided with a limit screw, wherein the limit screw is positioned above the slide block detection substrate.
Preferably, the slider trigger switch is triggered by the detection plate weight only when the free end of the slider detection plate is pressed down into the through hole of the slider bearing surface and the slider detection substrate is in contact with the limit screw above.
According to the detection method of the personnel safety detection device provided by the invention, the placement of the anti-falling slide block is detected by utilizing the personnel safety detection device.
Compared with the prior art, the invention has the following beneficial effects:
personnel safety inspection device's trigger structure is reasonable, can detect whether normally place the slider of preventing falling to make the slider detect and have certain damping between base plate and the shell plate through sensitivity adjusting spring and friction pad, make and can not too sensitive when sliding, avoid the slider of preventing falling to meet detection device action when slight jamming.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic overall structure diagram of the creeper.
Fig. 2 is a front side view of the personal safety inspection device when the anti-falling slider is not placed.
FIG. 3 is a view showing a state of the worker safety detecting apparatus on the reverse side without the falling preventive slider.
Fig. 4 is a view showing a state of the front side of the personal safety inspection device when the falling preventive slider is placed, the falling preventive slider not shown.
Fig. 5 is a structural view of a state of the reverse side of the personal safety inspection device when the anti-falling slider is placed, and the anti-falling slider is not shown.
Fig. 6 is a diagram showing a front side of the personal safety inspection device in a state where the inspection substrate is pressed down by the anti-falling slider due to the jamming of the slider in the ascending process, and the anti-falling slider is not shown.
Fig. 7 is a diagram showing a state of the detection substrate on the reverse side of the personal safety detection device when the detection substrate is pressed down by the anti-falling slider due to the block of the slider in the ascending process, and the anti-falling slider is not shown.
The figures show that:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
The invention relates to an improvement of a climbing-free device. As shown in fig. 1, the crawler 3 is mounted on the guide rail 1 so as to be movable up and down along the guide rail 1. The person stands on the climbing-free device 3 and wears the anti-falling slider 2. The anti-falling sliding block 2 is placed on the climbing-free device 3. Therefore, whether the person is in a safe state can be judged by detecting whether the anti-falling sliding block 2 is in a normal position, and then the lifting of the climbing-free device 3 is stopped in time when a danger occurs. The specific method comprises the following steps: detecting the state of the anti-falling sliding block of a worker in real time, wherein when the worker is not wearing the anti-falling sliding block and correctly placing the anti-falling sliding block, the equipment is not started; when the sliding block is blocked and departs from the normal position, the device can automatically stop.
According to the invention, the personnel safety detection device comprises: the detection device comprises a shell plate 11, a slider detection substrate 5, a slider bearing surface 12, a slider detection plate 4, a detection plate rotating shaft 7 and a detection plate heavy hammer 8.
The shell plate 11 is provided with a guide groove, and the slide block detection substrate 5 is arranged on the guide groove and can slide along the guide groove; the upper part of the slide block detection substrate 5 is provided with a slide block bearing surface 12, and the slide block bearing surface 12 is provided with a through hole; one end of the slide block detection plate 4 is a free end, and the other end of the slide block detection plate 4 is connected with a detection plate heavy hammer 8 and is arranged on the slide block detection substrate 5 through a detection plate rotating shaft 7; the free end of the slider detection plate 4 is extended out of the through hole to be above the slider bearing surface 12 under the driving of the detection plate heavy hammer 8. When the slider detection plate 4 is not pressed down by the falling-prevention slider 2 due to the weight of the detection plate heavy hammer 8, the detection plate heavy hammer 8 can drive the free end of the slider detection plate 4 to protrude out of the through hole to the position above the slider bearing surface 12 by utilizing the self-borne gravity.
The personnel safety detection device further comprises: a detection sensitivity adjusting component 6; the detection sensitivity adjusting assembly 6 comprises a friction pad 10, a sensitivity adjusting spring 9 and an adjusting screw 14, and the detection sensitivity adjusting assembly 6 also comprises a front clamping piece 15 and a back clamping piece 16 which are respectively positioned on the front side and the back side of the shell plate 11; friction pads 10 are arranged on two sides of the slider detection substrate 5; the friction pad 10 is clamped between the front clamping piece 15 and the front of the housing plate 11; the front clamping piece 15 and the back clamping piece 16 are connected through an adjusting screw 14, and the sensitivity adjusting spring 9 sleeved on the adjusting screw 14 is pressed between the back clamping piece 16 and the back of the outer shell plate 11.
When the anti-falling slider 2 is placed on the slider bearing surface 12, the free end of the slider detection plate 4 is pressed into the through hole of the slider bearing surface 12. The front surface of the outer shell plate 11 is provided with a limit screw 13, wherein the limit screw 13 is positioned above the slider detection substrate 5. The friction pad 10 is made of a non-metallic material, such as rubber.
The personnel safety detection device further comprises: the slider triggers the switch. The slider trigger switch can be triggered by the detection plate weight 8, and is triggered by the detection plate weight 8 only when the free end of the slider detection plate 4 is pressed into the through hole of the slider bearing surface 12 and the slider detection substrate 5 contacts with the limit screw 13 above.
The invention also provides a detection method of the personnel safety detection device, which is used for detecting the placement of the anti-falling sliding block 2.
The foregoing description has described specific embodiments of the present invention. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (5)
1. A personal safety detection device, comprising: the device comprises an outer shell plate (11), a slide block detection substrate (5), a slide block bearing surface (12), a slide block detection plate (4), a detection plate rotating shaft (7) and a detection plate heavy hammer (8);
the shell plate (11) is provided with a guide groove, and the slide block detection substrate (5) is arranged on the guide groove and can slide along the guide groove; the upper part of the slide block detection substrate (5) is provided with a slide block bearing surface (12), and the slide block bearing surface (12) is provided with a through hole; one end of the sliding block detection plate (4) is a free end, and the other end of the sliding block detection plate (4) is connected with a detection plate heavy hammer (8) and is arranged on the sliding block detection substrate (5) through a detection plate rotating shaft (7); the free end of the slider detection plate (4) is extended out of the through hole to the upper part of the slider bearing surface (12) under the driving of a detection plate heavy hammer (8);
the personnel safety detection device further comprises: a slider trigger switch; the slide block trigger switch can be triggered by a detection plate heavy hammer (8);
the personnel safety detection device further comprises: a detection sensitivity adjusting component (6); the detection sensitivity adjusting assembly (6) comprises a friction pad (10), a sensitivity adjusting spring (9) and an adjusting screw (14), and the detection sensitivity adjusting assembly (6) further comprises a front clamping piece (15) and a back clamping piece (16) which are respectively positioned on the front side and the back side of the shell plate (11);
friction pads (10) are arranged on two sides of the sliding block detection substrate (5); the friction pad (10) is clamped between the front clamping piece (15) and the front surface of the shell plate (11); the front clamping piece (15) is connected with the back clamping piece (16) through an adjusting screw (14), and a sensitivity adjusting spring (9) sleeved on the adjusting screw (14) is extruded between the back clamping piece (16) and the back of the outer shell plate (11).
2. Personnel safety detection device according to claim 1, characterized in that when the fall protection slider (2) is placed on the slider bearing surface (12), the free end of the slider detection plate (4) is pressed down into the through hole of the slider bearing surface (12).
3. The personal safety detection device according to claim 1, characterized in that the front face of the housing plate (11) is provided with a limit screw (13), wherein the limit screw (13) is located above the slide detection base plate (5).
4. The personal safety detecting device according to claim 1, wherein the slider trigger switch is triggered by the detecting plate weight (8) only when the free end of the slider detecting plate (4) is pressed down into the through hole of the slider carrying surface (12) and the slider detecting base plate (5) is in contact with the upper limit screw (13).
5. A method for detecting a personal safety detecting device, characterized in that the placement of a fall arrest slider (2) is detected with a personal safety detecting device according to any of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618805.6A CN107512687B (en) | 2017-07-26 | 2017-07-26 | Personnel safety detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618805.6A CN107512687B (en) | 2017-07-26 | 2017-07-26 | Personnel safety detection device and detection method |
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| Publication Number | Publication Date |
|---|---|
| CN107512687A CN107512687A (en) | 2017-12-26 |
| CN107512687B true CN107512687B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710618805.6A Active CN107512687B (en) | 2017-07-26 | 2017-07-26 | Personnel safety detection device and detection method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112177418B (en) * | 2020-09-27 | 2021-09-03 | 张淳 | Environment monitoring device based on wireless sensor network |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2325699A1 (en) * | 2000-11-10 | 2002-05-10 | Leblanc Ltd. | Fall arrest safety device |
| CN205527177U (en) * | 2016-04-13 | 2016-08-31 | 无锡市小天鹅建筑机械有限公司 | Ware is exempted from to climb in wind power tower cylinder special use |
| CN106044445A (en) * | 2016-07-22 | 2016-10-26 | 湖南世优电气股份有限公司 | Synchronous detection device and detection method of climbing-free device and anti-falling safety sliding block |
| CN205675937U (en) * | 2016-05-30 | 2016-11-09 | 沈阳凯风技术股份有限公司 | A kind of integrated form exempts to climb device anti-fall device |
| CN207330293U (en) * | 2017-07-26 | 2018-05-08 | 上海和蕴机电科技有限公司 | To the detection device of personnel's falling proof device |
-
2017
- 2017-07-26 CN CN201710618805.6A patent/CN107512687B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2325699A1 (en) * | 2000-11-10 | 2002-05-10 | Leblanc Ltd. | Fall arrest safety device |
| CN205527177U (en) * | 2016-04-13 | 2016-08-31 | 无锡市小天鹅建筑机械有限公司 | Ware is exempted from to climb in wind power tower cylinder special use |
| CN205675937U (en) * | 2016-05-30 | 2016-11-09 | 沈阳凯风技术股份有限公司 | A kind of integrated form exempts to climb device anti-fall device |
| CN106044445A (en) * | 2016-07-22 | 2016-10-26 | 湖南世优电气股份有限公司 | Synchronous detection device and detection method of climbing-free device and anti-falling safety sliding block |
| CN207330293U (en) * | 2017-07-26 | 2018-05-08 | 上海和蕴机电科技有限公司 | To the detection device of personnel's falling proof device |
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| CN107512687A (en) | 2017-12-26 |
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