Anti-falling device of inspection well
By introducing locking plates and T-shaped rotary locks into the anti-fall devices of inspection wells, the robustness of the devices is enhanced, and convenient operation is achieved through hooks and hoist holes. This solves the problems of insufficient robustness and convenience of existing devices, and improves safety and ease of operation.
Patent Information
- Application Number
- CN202422130413.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-01
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-09-01
AI Technical Summary
Existing manhole anti-fall devices are inadequate in terms of robustness and ease of operation, leading to the risk of personnel falling into the manhole and inconvenience in operation.
A fall arrestor device was designed, comprising a housing, a grid plate, and a locking mechanism. The device enhances stability through a locking plate and a T-shaped rotary lock, and provides convenient opening and closing operation through a hook and a gourd hole.
This improves the safety and ease of operation of inspection wells, ensuring the safety and convenience of personnel when entering the well.
Smart Images
Figure CN223458849U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to municipal facilities technical field especially, relate to a check well's anti -fall device. BACKGROUND
[0002] The check well is set for the power supply, water supply, drainage, sewage, communication, cable television, gas pipe, street lamp line etc. of city underground infrastructure maintenance and convenient installation, is generally set at the pipe intersection, turning, pipe diameter or slope change, and every other distance on the straight pipe segment, is the subsidiary structure convenient for periodical inspection. If the well lid is broken or lost, the check well will be directly exposed, and it is easy to cause the disappearance and casualties of personnel falling into the well.
[0003] At present, the anti -fall device of check well is widely applied, although the problem that the check well is easy to cause personnel to fall into is solved, but the firmness of the anti -fall device needs to be promoted, personnel is not convenient for working in the well after the anti -fall device opens, and the operation process of opening and closing of the anti -fall device lacks convenience.
[0004] In view of this, we propose a check well's anti -fall device to solve the existing problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a check well's anti -fall device to solve the problem in the background art.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a check well's anti -fall device, including the casing and built -in grating board device, built -in grating board device includes grating board one, grating board two and locking device, the bottom one side of casing is equipped with loose -leaf folder one, the bottom other side of casing is equipped with loose -leaf folder two, grating board one is connected with the bottom of casing through loose -leaf folder one, grating board one realizes the upward turning over through loose -leaf folder one, grating board two is connected with the bottom of casing through loose -leaf folder two, grating board two realizes the upward turning over through loose -leaf folder two, locking device includes locking piece, T type rotary lock and pin shaft.
[0007] Further, the pin shaft is arranged at the edge of the upper surface of grating board one away from one end of loose -leaf folder one, the locking piece is connected with grating board one through the pin shaft, the locking piece realizes the upward turning over through the pin shaft, the T type rotary lock is arranged at the edge of the upper surface of grating board two away from one end of loose -leaf folder two.
[0008] Further, the locking piece is internally provided with a rectangular hole, and the locking piece is provided with a gourd hole at an end away from the pin shaft. The T-shaped rotary lock includes a horizontal cylindrical rod and a vertical cylindrical rod. The horizontal cylindrical rod is rotatable about the vertical cylindrical rod. The horizontal cylindrical rod is internally provided with a circular hole.
[0009] Further, the lower surface of the first grating plate is provided with a hook one away from the edge of the binder one end, and the lower surface of the second grating plate is provided with a hook two away from the edge of the binder two end.
[0010] Further, the shapes of the shell, the first grating plate and the second grating plate are all cuboids, the bottom surface of the shell is a square, the height of the shell is half of the side length of the bottom surface, the length of the bottom surface of the first grating plate and the second grating plate is consistent with the side length of the bottom surface of the shell, the width of the bottom surface of the first grating plate and the second grating plate is consistent with the height of the shell, and the heights of the first grating plate and the second grating plate are same.
[0011] Further, the upper bottom surface and the lower bottom surface of the shell are provided with circular holes, the center of each bottom surface circular hole coincides with the rectangular center point of the bottom surface, and the diameter of the upper bottom surface circular hole of the shell is equal to the difference between the side length of the upper bottom surface of the shell and twice the height of the first grating plate.
[0012] Further, the upper bottom surface of the shell is provided with a hook one away from the edge of the binder one end, and the upper bottom surface of the shell is provided with a hook two away from the edge of the binder two end.
[0013] Further, the diameter of the bottom surface of the horizontal cylindrical rod is greater than the diameter of the bottom surface of the vertical cylindrical rod.
[0014] Further, the length of the rectangular hole is greater than the height of the horizontal cylindrical rod, the width of the rectangular hole is greater than the diameter of the bottom surface of the horizontal cylindrical rod, and the width of the rectangular hole is less than the height of the horizontal cylindrical rod.
[0015] Further, when the built-in grating plate device is in the closed state, the first grating plate and the second grating plate are in the horizontal state, the vertical cylindrical rod penetrates the rectangular hole, and the horizontal cylindrical rod is perpendicular to the rectangular hole; when the built-in grating plate device is opened, the horizontal cylindrical rod rotates around the vertical cylindrical rod to be in the same straight line direction with the rectangular hole, the locking piece rotates upward around the pin shaft to be separated from the T-shaped rotary lock, the first grating plate rotates around the binder one to be in the vertical state, and the second grating plate rotates around the binder two to be in the vertical state; after the built-in grating plate device is opened, the hook one penetrates the hook one, and the hook two penetrates the hook two.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] 1. The utility model sets up the locking structure at the position where the two grating plates contact each other, enhances the firmness of the anti-falling device through the locking piece and the T-shaped rotary lock, and further enhances the safety of the inspection well anti-falling device.
[0018] 2. The utility model sets up the fixing structure at the edge of the inspection well, keeps the vertical state of the grating plate through the hook at the edge of the inspection well penetrating the hook at the edge of the grating plate, and further facilitates the staff to work in the well.
[0019] 3、The utility model discloses a locking piece is equipped with the gourd hole in connecting grating board no. 1, and the T type rotary lock of connecting grating board no. 2 is equipped with the round hole, so that the staff can control the opening and closing of grating board by the hook body of the hook pole one end to penetrate the gourd hole or the round hole outside the inspection well, and further provides the convenience for the operation of grating board opening and closing. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the plane schematic drawing of the utility model;
[0021] Figure 2 It is the section structure schematic drawing of the built-in grating board device when closing of the utility model;
[0022] Figure 3 It is the section structure schematic drawing of the built-in grating board device when opening of the utility model;
[0023] Figure 4 It is the plane schematic drawing of the locking piece of the utility model;
[0024] Figure 5 It is the plane schematic drawing of the T type rotary lock of the utility model;
[0025] Figure 6 It is the overhead schematic drawing of the locking device of the utility model.
[0026] In the drawing: 1, shell; 101, loose-leaf binder no. 1; 102, loose-leaf binder no. 2; 103, hook no. 1; 104, hook no. 2; 2, built-in grating board device; 201, grating board no. 1; 202, grating board no. 2; 203, hanging buckle no. 1; 204, hanging buckle no. 2; 3, locking device; 301, locking piece; 302, T type rotary lock; 303, pin shaft; 304, rectangular hole; 305, gourd hole; 306, round hole; 307, horizontal cylindrical rod; 308, vertical cylindrical rod. DETAILED DESCRIPTION
[0027] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.
[0028] Embodiment one
[0029] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6As shown, a kind of anti-falling device of inspection well includes shell 1 and built-in grid plate device 2, built-in grid plate device 2 includes grid plate one 201, grid plate two 202 and locking device 3, one side of the bottom of shell 1 is equipped with loose-leaf folder one 101, the other side of the bottom of shell 1 is equipped with loose-leaf folder two 102, grid plate one 201 is connected with the bottom of shell 1 by loose-leaf folder one 101, grid plate one 201 realizes upward overturning by loose-leaf folder one 101, grid plate two 202 is connected with the bottom of shell 1 by loose-leaf folder two 102, grid plate two 202 realizes upward overturning by loose-leaf folder two 102, locking device 3 includes locking sheet 301, T-shaped rotary lock 302 and pin shaft 303.
[0030] Further, pin shaft 303 is arranged at the edge of the upper surface of grid plate one 201 away from one end of loose-leaf folder one 101, locking sheet 301 is connected with grid plate one 201 by pin shaft 303, locking sheet 301 realizes upward overturning by pin shaft 303, T-shaped rotary lock 302 is arranged at the edge of the upper surface of grid plate two 202 away from one end of loose-leaf folder two 102.
[0031] Further, locking sheet 301 is equipped with rectangular hole 304 inside, and locking sheet 301 is equipped with gourd hole 305 at one end away from pin shaft 303, so that staff can realize the operation of opening and closing grid plate one 201 by hooking the hook body of hook rod at one end through gourd hole 305 outside the inspection well, T-shaped rotary lock 302 includes horizontal cylindrical rod 307 and vertical cylindrical rod 308, horizontal cylindrical rod 307 can rotate around vertical cylindrical rod 308, and the inside of horizontal cylindrical rod 307 is equipped with round hole 306, so that staff can realize the operation of opening and closing grid plate two 202 by hooking the hook body of hook rod at one end through round hole 306 outside the inspection well.
[0032] Further, the lower surface of grid plate one 201 is equipped with hanging buckle one 203 at the edge away from one end of loose-leaf folder one 101, and the lower surface of grid plate two 202 is equipped with hanging buckle two 204 at the edge away from one end of loose-leaf folder two 102.
[0033] Further, the shape of shell 1, grid plate one 201 and grid plate two 202 is all cuboid, the bottom surface of shell 1 is square, the height of shell 1 is half of the length of the bottom surface, the length of the bottom surface of grid plate one 201 and grid plate two 202 is consistent with the length of the bottom surface of shell 1, and the width of the bottom surface of grid plate one 201 and grid plate two 202 is consistent with the height of shell 1, so that the upper bottom surface of grid plate one 201 and grid plate two 202 in the open state can contact the top of the inner side of shell 1, and the height of grid plate one 201 and grid plate two 202 is the same.
[0034] Further, the upper bottom surface and the lower bottom surface of the shell 1 are each provided with a circular hole, the center of each bottom surface circular hole coincides with the rectangular center point of the bottom surface, the diameter of the upper bottom surface circular hole of the shell 1 is equal to the difference between the side length of the upper bottom surface of the shell 1 and twice the height of the grid plate one 201, so that when the grid plate one 201 and the grid plate two 202 are in the open state, one side of the upper bottom surface is tangent to the circular hole of the upper bottom surface of the shell 1.
[0035] Further, the upper bottom surface of the shell 1 is provided with a hook one 103 near the edge of the folder one 101, and the upper bottom surface of the shell 1 is provided with a hook two 104 near the edge of the folder two 102, so that when the grid plate one 201 and the grid plate two 202 are in the open state, the hook one 103 penetrates the hook one 203, and the hook two 104 penetrates the hook two 204, so as to maintain the vertical state of the grid plate one 201 and the grid plate two 202 in the open state.
[0036] Further, the diameter of the bottom surface of the horizontal cylindrical rod 307 is greater than the diameter of the bottom surface of the vertical cylindrical rod 308.
[0037] Further, the length of the rectangular hole 304 is greater than the height of the horizontal cylindrical rod 307, the width of the rectangular hole 304 is greater than the diameter of the bottom surface of the horizontal cylindrical rod 307, and the width of the rectangular hole 304 is less than the height of the horizontal cylindrical rod 307, so that the rectangular hole can penetrate the horizontal cylindrical rod 307 and the vertical cylindrical rod 308, and realize the locking state of the built-in grid plate device 2.
[0038] The working principle of the anti-falling device of the inspection well based on example one is:
[0039] When the built-in grid plate device 2 is in the closed state, the grid plate one 201 and the grid plate two 202 are in the horizontal state, the vertical cylindrical rod 308 penetrates the rectangular hole 304, the horizontal cylindrical rod 307 is perpendicular to the rectangular hole 304, and the locking state of the built-in grid plate device 2 is realized; when the built-in grid plate device 2 is opened, the horizontal cylindrical rod 307 rotates around the vertical cylindrical rod 308 to the same straight line direction as the rectangular hole 304, the locking piece 301 rotates upward around the pin shaft 303 to separate from the T-shaped rotating lock 302, the worker outside the inspection well penetrates the gourd hole 305 through the hook body at one end of the hook rod, controls the hook rod to make the grid plate one 201 rotate around the folder one 101 to the vertical state, and the worker outside the inspection well penetrates the circular hole 306 through the hook body at one end of the hook rod, controls the hook rod to make the grid plate two 202 rotate around the folder two 102 to the vertical state; after the built-in grid plate device 2 is opened, the hook one 103 penetrates the hook one 203, and the hook two 104 penetrates the hook two 204, so as to maintain the vertical state of the grid plate one 201 and the grid plate two 202 in the open state.
[0040] The above specific embodiments are only several preferred embodiments of the present application, and based on the technical scheme of the present application and the related enlightenment of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.
Claims
1. A fall protection device for inspection shafts, comprising a housing (1) and an integrated grating plate device (2), characterized in that: The built-in grating plate device (2) comprises a grating plate one (201), a grating plate two (202) and a locking device (3), the bottom of the shell (1) is provided with a loose-leaf folder one (101), the bottom of the shell (1) is provided with a loose-leaf folder two (102), the grating plate one (201) is connected with the bottom of the shell (1) through the loose-leaf folder one (101), the grating plate one (201) is realized upwardly turning through the loose-leaf folder one (101), the grating plate two (202) is connected with the bottom of the shell (1) through the loose-leaf folder two (102), the grating plate two (202) is realized upwardly turning through the loose-leaf folder two (102), the locking device (3) comprises a locking sheet (301), a T-shaped rotary lock (302) and a pin shaft (303).
2. The fall arrest device for a manhole according to claim 1, wherein: The pin shaft (303) is arranged at the edge of the upper surface of the grating plate one (201) away from the one end of the loose-leaf folder one (101), the locking sheet (301) is connected with the grating plate one (201) through the pin shaft (303), the locking sheet (301) is realized upwardly turning through the pin shaft (303), the T-shaped rotary lock (302) is arranged at the edge of the upper surface of the grating plate two (202) away from the one end of the loose-leaf folder two (102).
3. A fall arrest device for a manhole according to claim 2, wherein: The locking sheet (301) is internally provided with a rectangular hole (304), the one end of the locking sheet (301) away from the pin shaft (303) is provided with a gourd hole (305), the T-shaped rotary lock (302) comprises a horizontal cylindrical rod (307) and a vertical cylindrical rod (308), the horizontal cylindrical rod (307) can rotate around the vertical cylindrical rod (308), the inside of the horizontal cylindrical rod (307) is provided with a circular hole (306).
4. The fall arrest device for a manhole of claim 1, wherein: The edge of the lower surface of the grating plate one (201) away from the one end of the loose-leaf folder one (101) is provided with a hanging buckle one (203), the edge of the lower surface of the grating plate two (202) away from the one end of the loose-leaf folder two (102) is provided with a hanging buckle two (204).
5. The fall arrest device for a manhole of claim 1, wherein: The shapes of the shell (1), the grating plate one (201) and the grating plate two (202) are all cuboids, the bottom surface of the shell (1) is a square, the height of the shell (1) is half of the side length of the bottom surface, the lengths of the bottom surfaces of the grating plate one (201) and the grating plate two (202) are consistent with the side length of the bottom surface of the shell (1), the widths of the bottom surfaces of the grating plate one (201) and the grating plate two (202) are consistent with the height of the shell (1), the heights of the grating plate one (201) and the grating plate two (202) are same.
6. A fall arrest device for a manhole according to claim 5, wherein: The upper bottom surface and the lower bottom surface of the shell (1) are both provided with circular holes, the centers of each bottom surface circular hole coincide with the rectangular center point of the bottom surface, the diameter of the upper bottom surface circular hole of the shell (1) is equal to the difference between the side length of the upper bottom surface of the shell (1) and twice the height of the grating plate one (201).
7. A fall arrest device for a manhole according to claim 6, wherein: The edge of the upper bottom surface circular hole of the shell (1) close to the loose-leaf folder one (101) is provided with a hook one (103), the edge of the upper bottom surface circular hole of the shell (1) close to the loose-leaf folder two (102) is provided with a hook two (104).
8. The fall arrest device for a manhole according to claim 3, wherein: The diameter of the bottom surface of the horizontal cylindrical rod (307) is greater than the diameter of the bottom surface of the vertical cylindrical rod (308).
9. The fall arrest device for a manhole of claim 3, wherein: The length of the rectangular hole (304) is greater than the height of the horizontal cylindrical rod (307), the width of the rectangular hole (304) is greater than the diameter of the bottom surface of the horizontal cylindrical rod (307), and the width of the rectangular hole (304) is less than the height of the horizontal cylindrical rod (307).
10. A fall arrest device for a manhole according to any one of claims 1 to 9, wherein: When the built-in grating plate device (2) is in the closed state, the grating plate one (201) and the grating plate two (202) are in the horizontal state, the vertical cylindrical rod (308) penetrates the rectangular hole (304), and the horizontal cylindrical rod (307) is perpendicular to the rectangular hole (304); when the built-in grating plate device (2) is opened, the horizontal cylindrical rod (307) rotates around the vertical cylindrical rod (308) to be in the same straight line direction with the rectangular hole (304), the locking piece (301) rotates upward around the pin shaft (303) to be separated from the T-shaped rotating lock (302), the grating plate one (201) rotates around the hinge clamp one (101) to be in the vertical state, and the grating plate two (202) rotates around the hinge clamp two (102) to be in the vertical state; after the built-in grating plate device (2) is opened, the hook one (103) penetrates the hook buckle one (203), and the hook two (104) penetrates the hook buckle two (204).