CN219862963U - Inspection shaft anti-falling device - Google Patents

Abstract

The utility model provides an inspection well anti-falling device, and relates to the technical field of anti-falling equipment. The mounting assembly and the buckle assembly are both fixed on the inspection well; one end of the first frame body is rotationally connected with the mounting assembly, and the other end of the first frame body is detachably connected with the buckle assembly; the first frame body can prevent people or large objects from falling into the inspection well; the first couple in the buckle subassembly is equipped with and first support body complex mounting groove, and the hasp in the buckle subassembly is in the notch of mounting groove and a part blocking under the action of gravity, and when first support body had the trend of breaking away from the mounting groove by oneself, first support body upwards rotates can drive the locating part on hasp butt first couple for first support body can't break away from the mounting groove by oneself. When an operator needs to enter the lower part of the inspection well to perform operation, the lock catch is manually shifted to rotate towards one side far away from the limiting piece, at the moment, the blocking of the lock catch to the notch of the mounting groove disappears, the first frame body can be rotated to be separated from the mounting groove, and the first frame body is convenient to uncover.

Description

Inspection shaft anti-falling device

Technical Field

The utility model relates to the technical field of anti-falling equipment, in particular to an inspection well anti-falling device.

Background

Municipal rain, sewage inspection shaft often causes the well lid to open or lose because of reasons such as artificial negligence, rivers, air current impact or theft, personnel fall to hurt even die in the inspection shaft, from this install anti-falling device in the inspection shaft. The utility model patent with publication number of CN212772469U discloses an inspection well anti-falling net and an inspection well anti-falling device; the anti-falling net of the inspection well comprises an anti-falling net which is woven by rubber strips containing steel wires, and the anti-falling net is woven into a regular polygon formed by a plurality of grids; the regular polygon top point of the anti-falling net is fixedly connected to the well wall of the inspection well through a connecting piece. The prior art is connected with the inspection shaft through the connecting piece, and the connecting piece is generally expansion screw, opposite sex plug isotructure, and it is inconvenient to dismantle after connecting piece and the inspection shaft installation, leads to preventing weighing down the net and is difficult for taking off from the inspection shaft, and when operating personnel need go to the operation in the inspection shaft, preventing weighing down the net and dismantling troublesome, hinder operating personnel to get into in the inspection shaft, influence efficiency of construction.

Accordingly, it is desirable to provide a manhole fall arrest device that facilitates removal or disassembly from a manhole.

Disclosure of Invention

The utility model aims to provide an inspection well anti-falling device, which aims to solve the technical problems that an anti-falling net is not easy to be uncovered or detached from an anti-falling well in the prior art, and an operator is influenced to go into the inspection well to perform operation _。

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an inspection well anti-falling device, which comprises: a mounting assembly for securing to an inspection shaft; a clasp assembly for securing to an inspection shaft; the first frame body is used for preventing people or large objects from falling into the inspection well; one end of the first frame body is rotationally connected with the mounting assembly, and the other end of the first frame body is detachably connected with the buckle assembly; wherein, the buckle subassembly includes: the first hook is fixed on the inspection well and provided with a mounting groove for clamping the first frame body; the first hook is provided with a limiting piece; the lock catch is rotationally connected with the first hook, and part of the lock catch blocks the opening of the mounting groove; the first frame body is positioned between the bottom of the lock catch and the bottom of the mounting groove; when the first frame body drives the lock catch to rotate towards the limiting piece, the lock catch is abutted with the limiting piece; when the toggle lock catch is far away from the limiting part to rotate, the first frame body can be separated from the mounting groove.

Preferably, the first hook includes: a mounting for securing to an inspection shaft; the first connecting piece is arranged on the mounting piece and is rotationally connected with the lock catch; the second connecting piece is arranged on the mounting piece and is connected with the limiting piece; wherein a gap between the first connector and the second connector forms a mounting groove; the first connector is closer to the side wall of the manhole than the second connector; the first connecting piece is higher than the second connecting piece.

Preferably, the lock catch is triangular, and the distance between the vertex below the lock catch and the rotation center of the lock catch is greater than the distance between the limiting piece and the rotation center of the lock catch.

Preferably, the lock catch is -shaped, the lock catch is of a symmetrical structure, the part where the symmetrical line is located is connected with the first connecting piece, the lock catch is provided with a protrusion, and the protrusion is located below the limiting piece and is used for being abutted against the limiting piece.

Preferably, one end of the lock catch is provided with a clamping block for abutting against the limiting piece, and the other end of the lock catch is provided with a locking piece for abutting against the first connecting piece; the distance between the clamping block and the rotating center of the lock catch is greater than the distance between the limiting piece and the rotating center of the lock catch.

Preferably, the above-mentioned frame further includes a second frame body; the second frame body is arranged on the first frame body; the second frame body and the first frame body are both frame-shaped.

Preferably, the inspection well further comprises a second hook for fixing on the inspection well; the second hook is used for clamping the second frame body.

Preferably, the first frame body and the second frame body are both made of hot-dip zinc carbon steel or aluminum alloy.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

the mounting component and the buckle component are both fixed on the inspection well; one end of the first frame body is rotationally connected with the mounting assembly, and the other end of the first frame body is detachably connected with the buckle assembly; when the first frame body is matched with the buckle component, the first frame body can prevent people or large objects from falling into the inspection well, at the moment, the first frame body is embedded into the mounting groove of the first hook, the lock catch is in a static state under the action of gravity, and part of the lock catch blocks the notch of the mounting groove, if the first frame body has a tendency of automatically separating from the mounting groove in some scenes, for example, one end, close to the buckle component, of the first frame body jumps upwards in an earthquake; or the water level in the inspection well is higher, and the water waves drive the first frame body to swing upwards, and the like; at this time, the first frame body rotates upwards and drives the lock catch to abut against the limiting piece, so that the first frame body cannot be separated from the mounting groove by itself. When an operator needs to enter the lower part of the inspection well to perform operation, the lock catch is manually shifted to rotate towards one side far away from the limiting piece, at the moment, the blocking of the lock catch to the notch of the mounting groove disappears, the first frame body can be rotated to be separated from the mounting groove, and the first frame body is convenient to uncover.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an inspection well according to an embodiment of the present utility model;

FIG. 2 is a schematic view of another construction of an inspection well according to an embodiment of the present utility model;

FIG. 3 is a top view of an inspection shaft fall arrest device according to an embodiment of the utility model;

FIG. 4 is a schematic view of a buckle assembly according to an embodiment of the present utility model;

FIG. 5 is a top view of a snap assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic structural view of a buckle assembly according to embodiment 1 of the present utility model;

FIG. 7 is a schematic view of a buckle assembly according to embodiment 2 of the present utility model;

FIG. 8 is a schematic view of another embodiment of a buckle assembly according to embodiment 2 of the present utility model;

fig. 9 is a top view of the snap assembly of embodiment 2 of the present utility model.

Icon: 1. a well base; 2. a well cover; 3. a wellbore; 4. road pavement; 5. a road base layer; 6. a pedal; 100. a mounting assembly; 110. a mounting base; 200. a clasp assembly; 210. a first hook; 2101. a mounting groove; 2110. a mounting member; 2120. a first connector; 2130. a second connector; 220. a limiting piece; 230. locking; 2310. a protrusion; 2320. a clamping block; 2330. a locking member; 300. a first frame body; 400. a second frame body; 500. and a second hook.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

Referring to fig. 1 and 2, an inspection well generally comprises a well base 1, a well lid 2 and a well bore 3; the pit shaft 3 is located road base 5 departments, and well seat 1 then is located road surface 4, and well seat 1 is in the top of pit shaft 3 and is used for installing well lid 2, and well lid 2 one end is rotated with well seat 1 and is connected, and the other end is the free end, and well seat 1 is equipped with the recess that is used for gomphosis well lid 2. The fall arrest device is typically provided on the well seat 1. The side wall of the shaft 3 is provided with a pedal 6 so that an operator steps down below the manhole.

The utility model provides an inspection well anti-falling device, referring to fig. 3 and 4, comprising: a mounting assembly 100 for securing to an inspection shaft; a clasp assembly 200 for securing to an inspection shaft; a first frame 300 for preventing a person or a large object from falling into the manhole; one end of the first frame 300 is rotatably connected with the mounting assembly 100, and the other end is detachably connected with the buckle assembly 200; wherein, the buckle assembly 200 includes: a first hook 210 fixed to the manhole and provided with a mounting groove 2101 for engaging with the first frame 300; the first hook 210 is provided with a limiting piece 220; a locker 230 rotatably coupled to the first hook 210 and a portion of the locker 230 blocks an opening of the mounting groove 2101; wherein, the first frame 300 is located between the bottom of the latch 230 and the bottom of the mounting slot 2101; when the first frame 300 drives the lock catch 230 to rotate towards the limiting piece 220, the lock catch 230 is abutted with the limiting piece 220; when the toggle latch 230 is rotated away from the stopper 220, the first frame 300 can be disengaged from the mounting slot 2101.

In some embodiments, referring to fig. 1-5, the mounting assembly 100 may include a mount 110 made of a metallic material; an expansion bolt may be used to pass through the mount 110 and connect with the well base 1, thereby securing the mount 110 to the well base 1; the mounting base 110 may be welded directly to the inner side wall of the well base 1. The mounting seat 110 can be provided with a bearing, and the first frame 300 can be provided with a rotating shaft matched with the bearing, so that the first frame 300 rotates relatively smoothly with respect to the mounting seat 110. One end of the first frame 300, which is far away from the mounting seat 110, is matched with the buckle assembly 200, a first hook 210 of the buckle assembly 200 is inserted into the side wall of the inspection well to be fixed, the portion of the first hook 210, which is inserted into the side wall of the well seat 1, can be L-shaped, and the tail end of the first hook 210 faces upwards, so that the connection between the first hook 210 and the well seat 1 is firm. The mounting base 110 and the first hook 210 both support the first frame 300, and the first frame 300 may have a square frame shape, so that when the first frame 300 is matched with the buckle assembly 200, the first frame 300 can prevent people or large objects from falling into the inspection well. At this time, the first frame 300 is inserted into the mounting slot 2101 of the first hook 210, the slot opening of the mounting slot 2101 is upward, the latch 230 is in a static state under the action of gravity and a part of the slot opening of the mounting slot 2101 is blocked, if in some scenes, the first frame 300 has a tendency to automatically separate from the mounting slot 2101, for example, when an earthquake occurs, one end of the first frame 300, which is close to the latch assembly 200, jumps upward; or the water level in the inspection well is higher, the water waves drive the first frame 300 to swing upwards, and the like; at this time, the first frame 300 rotates upward and drives the latch 230 to abut against the limiting member 220, so that the first frame 300 cannot be separated from the mounting slot 2101 by itself. In these cases, there is less possibility that the latch 230 rotates toward the side away from the stopper 220 while the first frame 300 is detached from the mounting groove 2101, so that the first frame 300 is not easily detached from the mounting groove 2101 by itself. When an operator needs to enter the lower part of the inspection well to perform operation, one hand pulls the lock catch 230 to rotate towards the side far away from the limiting piece 220, the lock catch 230 is held without loosening, at this time, the blocking of the lock catch 230 to the notch of the installation groove 2101 disappears, and the other hand rotates the first frame 300 to enable the first frame 300 to be separated from the installation groove 2101, so that the first frame 300 is convenient to uncover.

In some embodiments, referring to fig. 1-5, the first hook 210 comprises: a mount 2110 for securing to an inspection well; a first link 2120 provided on the mount 2110 and rotatably coupled to the latch 230; a second connector 2130 provided on the mounting component 2110 and connected with the limiter 220; wherein a gap between the first connector 2120 and the second connector 2130 forms a mounting slot 2101; the first connector 2120 is closer to the sidewall of the manhole than the second connector 2130; the height of the first connector 2120 is greater than the height of the second connector 2130. In detail, the mounting member 2110 may be an L-shaped rod member, the first and second connection members 2120 and 2130 may be columns, the stopper 220 may be a column, and the axis of the stopper 220 is in a horizontal state.

In some embodiments, referring to fig. 4 and 5, the latch 230 may be triangular in shape, with the distance between the vertex below the latch 230 and the center of rotation of the latch 230 being greater than the distance between the stop 220 and the center of rotation of the latch 230. In detail, as shown in fig. 4, a represents a latch 230 that remains stationary under the force of gravity; b represents that the latch 230 rotates clockwise to abut against the limiting member 220; c represents the counter-clockwise rotation of the hand-toggle latch 230. Here clockwise and counter-clockwise refer to clockwise and counter-clockwise in fig. 4. The first frame 300 may be a frame, when the first frame 300 is embedded into the mounting groove 2101, the first frame 300 presses the latch 230 to rotate anticlockwise until the first frame 300 is separated from the latch 230 and moves to the bottom of the mounting groove 2101, and at this time, the latch 230 resets under the action of gravity. When the first frame 300 is separated from the mounting groove 2101, the first frame 300 drives the lock catch 230 to rotate clockwise, and the lower top of the lock catch 230 abuts against the limiting piece 220, so that the first frame 300 is prevented from being separated from the mounting groove 2101. When the first frame 300 needs to be detached from the mounting groove 2101, the lock catch 230 is manually shifted to rotate anticlockwise, at this time, the lock catch 230 no longer blocks the notch of the mounting groove 2101, and one hand holds the lock catch 230 while the other hand takes the first frame 300 out of the mounting groove 2101.

In other embodiments, the latch 230 may be inverted V-shaped, wherein the upper vertex of the latch 230 is rotatably connected to the first connecting member 2120, and the distance between the lower vertex of the latch 230 and the upper vertex of the latch 230 is greater than the distance between the stopper 220 and the upper vertex of the latch 230.

In some embodiments, referring to fig. 3, a second frame 400 is further included; the second frame 400 is disposed on the first frame 300; the second frame 400 and the first frame 300 are both frame-shaped. In detail, the first frame 300 and the second frame 400 are both frame-shaped, which is convenient for manufacturing and assembling, and is convenient for being matched with the mounting assembly 100 and the first hook 210. The second frame 400 and the first frame 300 are arranged in a cross shape; the first and second frames 300 and 400 may be integrally formed.

In some embodiments, referring to fig. 3, a second hanger 500 for securing to an inspection shaft is also included; the second hook 500 is used for clamping the second frame 400. The second hanger 500 is mainly used for supporting the second frame 400, and sharing the load of the first hanger 210 and the mounting assembly 100.

In some embodiments, both the first and second frames 300 and 400 may be made of hot-dip zinc-carbon steel or aluminum alloy, so that the first and second frames 300 and 400 have a certain corrosion resistance while maintaining a certain strength.

Example 1:

referring to fig. 6, a lock 230 is -shaped, the lock 230 is symmetrical, the portion of the lock 230 where the symmetry line is located is connected with a first connecting member 2120, the lock 230 is provided with a protrusion 2310, and the protrusion 2310 is located below the limiting member 220 and is used for abutting against the limiting member 220.

In detail, as shown in fig. 6, when the latch 230 is at rest in a balanced state, the left side wall of the latch 230 may abut against the right side wall of the limiting member 220, and the latch 230 cannot rotate clockwise relative to the first connecting member 2120; and a protrusion 2310 is disposed at an end of the latch 230 near the second connecting member 2130, the protrusion 2310 abuts against the lower side of the limiting member 220 to further limit the latch 230 from rotating clockwise, and the latch 230 is driven to rotate clockwise when the first frame 300 is separated from the mounting slot 2101, and the latch 230 abuts against the limiting member 220 to limit the first frame 300 from sliding out of the mounting slot 2101. When it is desired to remove the first frame 300 from the mounting slot 2101, one hand pulls the latch 230 counterclockwise and the other hand removes the first frame 300 from the mounting slot 2101. Here, "left", "right", "clockwise" and "counterclockwise" refer to left, right, clockwise and counterclockwise in fig. 6.

Example 2:

this embodiment is substantially the same as embodiment 1 except that: in this embodiment, referring to fig. 7 to 9, one end of the latch 230 is provided with a latch 2320 for abutting against the limiting member 220, and the other end is provided with a locking member 2330 for abutting against the first connecting member 2120; the distance between the latch 2320 and the rotation center of the latch 230 is greater than the distance between the limiter 220 and the rotation center of the latch 230.

In detail, the portion of the latch 230 between the rotation center thereof and the latch 2320 may be any shape, as shown in fig. 7 and 8, as long as the distance between the latch 2320 and the rotation center of the latch 230 is greater than the distance between the stopper 220 and the rotation center of the latch 230. When the first frame 300 is automatically separated from the mounting groove 2101, the clamping block 2320 is abutted against the limiting piece 220, so that the lock catch 230 is limited to rotate clockwise, and the notch of the mounting groove 2101 is blocked by the lock catch 230; while the left side of the locking member 2330 abuts the right side of the first link 2120, further restricting the clockwise rotation of the catch 230. When it is desired to remove the first frame 300 from the mounting slot 2101, one hand pulls the latch 230 counterclockwise and the other hand removes the first frame 300 from the mounting slot 2101. Here, "left", "right", "clockwise" and "counterclockwise" refer to left, right, clockwise and counterclockwise in fig. 7 or 8. As shown in fig. 9, the stopper 220 faces one side of the first hook 210, and the locking member 2330 faces the other side of the first hook 210.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (8)

1. An inspection shaft fall protection device, comprising:

a mounting assembly (100) for securing to an inspection well;

a clasp assembly (200) for securing to an inspection shaft;

a first frame (300) for preventing a person or a large object from falling into the manhole; one end of the first frame body (300) is rotationally connected with the mounting assembly (100), and the other end of the first frame body is detachably connected with the buckle assembly (200); wherein,,

the buckle assembly (200) includes: a first hook (210) fixed on the inspection well and provided with an installation groove (2101) for clamping the first frame body (300); the first hook (210) is provided with a limiting piece (220); a latch (230) rotatably connected to the first hook (210) and a portion of the latch (230) blocks an opening of the mounting slot (2101); wherein,,

the first frame body (300) is positioned between the bottom of the lock catch (230) and the bottom of the mounting groove (2101); when the first frame body (300) drives the lock catch (230) to rotate towards the limiting piece (220), the lock catch (230) is abutted with the limiting piece (220); when the lock catch (230) is shifted to rotate away from the limiting piece (220), the first frame body (300) can be separated from the mounting groove (2101).

2. The manhole fall protection device according to claim 1, wherein the first hook (210) comprises:

a mount (2110) for securing to an inspection shaft;

a first link (2120) provided on the mount (2110) and rotatably coupled to the latch (230);

a second connecting member (2130) provided on the mounting member (2110) and connected to the stopper member (220); wherein,,

-the gap between the first connector (2120) and the second connector (2130) forms the mounting slot (2101); the first connector (2120) is closer to a sidewall of an inspection well than the second connector (2130); the first connector (2120) has a height that is greater than a height of the second connector (2130).

3. The manhole fall protection device according to claim 2, wherein the locker (230) is triangular, and a distance between a lower vertex of the locker (230) and a rotation center of the locker (230) is greater than a distance between the stopper (220) and the rotation center of the locker (230).

4. The manhole anti-falling device according to claim 2, wherein the lock catch (230) is -shaped, the lock catch (230) is of a symmetrical structure, a part where a symmetry line is located is connected with the first connecting piece (2120), the lock catch (230) is provided with a protrusion (2310), and the protrusion (2310) is located below the limiting piece (220) and is used for abutting against the limiting piece (220).

5. The manhole anti-falling device according to claim 2, wherein one end of the lock catch (230) is provided with a clamping block (2320) for abutting against the limiting member (220), and the other end is provided with a locking member for abutting against the first connecting member (2120); the distance between the clamping block (2320) and the rotation center of the lock catch (230) is larger than the distance between the limiting piece (220) and the rotation center of the lock catch (230).

6. The manhole fall arrest device according to claim 1, further comprising a second frame body (400); the second frame body (400) is arranged on the first frame body (300); the second frame body (400) and the first frame body (300) are both frame-shaped.

7. The manhole fall arrest device according to claim 6, further comprising a second hanger (500) for securing to the manhole; the second hook (500) is used for being clamped with the second frame body (400).

8. The manhole fall protection device according to claim 6, wherein the first frame body (300) and the second frame body (400) are both made of hot-dip zinc carbon steel or aluminum alloy.