CN220978114U - Anti-falling well cover device for inspection well - Google Patents

Abstract

The invention belongs to the technical field of municipal facilities, and relates to a falling-preventing well lid device for an inspection well, which comprises a well lid and a well seat, wherein a multifunctional falling-preventing mechanism is arranged on an inner ring of the well seat, and comprises a mounting assembly connected with the inner ring of the well seat, a falling-preventing frame assembly connected to the mounting assembly and a telescopic assembly mounted on the falling-preventing frame assembly. The multifunctional anti-falling mechanism can be stably locked on the well seat, has a stable anti-falling effect, can be converted into a ladder stand structure, assists in underground operation, and further expands the functions of the anti-falling mechanism.

Description

Anti-falling well cover device for inspection well

Technical Field

The utility model belongs to the technical field of municipal facilities, and relates to a well lid, in particular to a falling-preventing well lid device for an inspection well.

Background

At present, the urban construction is whether municipal road, building district, civilian square, etc., which is convenient for inspection, and the inspection well is called as a study name inspection well, also called as an inspection well. Most of the existing round well cover devices for the blind wells such as pipelines, ditches and lines consist of well covers and cover seats, and the well covers are placed on the rabbets of the cover seats to close the blind wells and prevent traffic pedestrians. Because the well cover is only placed on the spigot of the cover seat, the well cover is often shifted or lost due to various reasons, so that pedestrians carelessly fall into the well to become casualties.

In order to solve the problems, an anti-falling net is fixed on the wall of an inspection well in the market, and the anti-falling net can play a role in protection when pedestrians fall, but the nylon material of the anti-falling net is easy to age, easy to corrode after being soaked in sewage for a long time, and has insufficient bearing capacity, so that dangers still exist.

For this reason, in the prior art, many anti-falling well covers have also appeared, for example, CN108086360a discloses an integral type anti-sedimentation anti-falling well cover and unlocking device thereof, including lid and base that rotate the connection mutually, the inboard of lid is equipped with a latch lock, the base is equipped with the boss, has still shelved an inner cup on this base, the outer lane of inner cup is fixed with the boss butt. The setting of inner cup can prevent falling, but the inner cup adopts the mode of shelving, and though can realize the light installation and the dismantlement of inner cup, still there is the inner cup to be removed to take place the risk of falling accident. For example, CN215562807U discloses a Lu Zheng inspection shaft lid of preventing falling, including well lid support frame, the top of well lid support frame is provided with the well lid, well lid support frame's bottom evenly is provided with at least three step that prevents falling around hanging the axle, and step that prevents falling hangs the axle below and is provided with the punching plate of preventing that falls corresponding with the well lid, through the fixed punching plate of preventing falling of step hanging the axle, personnel fall the accident emergence under the circumstances that prevent falling punching plate can effectively prevent well lid because of pressure falls and no well lid, improves road surface travelling safety.

At present, the anti-falling structure in the well lid does not thoroughly solve the anti-falling problem, and the structure function is single.

Disclosure of utility model

The utility model aims to provide a falling-preventing well cover device for an inspection well, which can not only play a role in falling prevention.

The utility model adopts the following technical scheme:

A prevent falling well lid device for inspection shaft, including well lid and well seat, the inner circle of well seat is provided with multi-functional anti-falling mechanism, multi-functional anti-falling mechanism include with the installation component that well seat inner circle is connected with prevent weighing down frame subassembly on the installation component.

As the optimization of the technical scheme, the installation assembly comprises two fixing pieces fixedly installed on the inner ring of the well seat and a connecting rod arranged between the two fixing pieces, and the anti-falling frame assembly is rotatably installed on the connecting rod.

As the preference of above-mentioned technical scheme, prevent weighing down frame subassembly includes two outer frames, arranges two a plurality of crossbars between the outer frame, two outer frames rotate connect in on the connecting rod, and be close to respectively the different tip of connecting rod, keep away from on the crossbars of installation component, be provided with and be used for adjusting prevent weighing down frame subassembly placement position's adjusting structure.

As the preferable of the technical scheme, the adjusting structure comprises two adjusting pieces, a pull rod and a tension spring; the adjusting piece is provided with two strip-shaped holes which are respectively sleeved on the two cross bars, and the front end of the adjusting piece is provided with a lapping piece which can be lapped on the well seat; the pull rod is arranged between the two adjusting pieces, and two ends of the pull rod are respectively connected to the adjusting pieces; one end of the tension spring is connected to the pull rod, and the other end of the tension spring is connected to the cross rod close to the lap.

As the optimization of the technical scheme, the lock ring is arranged on the well seat, the lock hole is arranged on the lapping piece, the lock hole penetrates through the lock ring, and the padlock is used for locking the well lid device.

As the preference of above-mentioned technical scheme, the device still includes the expansion assembly, the expansion assembly includes two first section expansion plates, two last section expansion plates and is located first section expansion plates with a plurality of middle expansion plates between the last section expansion plates, first section expansion plates fixed mounting in the inboard of two outer frames, be close to the middle expansion plate slidable mounting of first section expansion plates in first section expansion plate is inboard, later middle expansion plate slidable mounting in proper order in the preceding in the middle expansion plate is inboard, all is provided with horizontal ladder between the first section expansion plates, between the middle expansion plates, between the last section expansion plates of relative setting.

As the preference of above-mentioned technical scheme, flexible subassembly still includes reinforced structure, reinforced structure including pass each in proper order horizontal ladder shelves wire rope, install in be used for controlling wire rope's receive and release's executive component on the anti-falling frame subassembly, executive component includes that both ends pass respectively two outer frame's pivot, control pivot pivoted driving piece and right the locking piece that the pivot locked, wire rope winds set up in the position that is close to the pivot tip in the pivot.

As the optimization of the technical scheme, the driving piece comprises a driving gear, a rotating handle and a driven gear, wherein the driving gear is arranged on the installation assembly or the anti-falling assembly, the rotating handle is used for driving the driving gear to rotate, the driven gear is arranged on the rotating shaft, the driving gear is meshed with the driven gear, the driven gear is driven to rotate, and therefore the rotating shaft is driven to rotate.

As an preferable aspect of the above-mentioned technical solution, the locking member includes a locking gear disposed on the rotating shaft, a locking card disposed on the mounting assembly or the anti-falling assembly, and a locking pin for locking a position of the locking card.

As the optimization of the technical scheme, the anti-falling frame further comprises an air bag warning assembly, and the air bag warning assembly is arranged on the anti-falling frame assembly.

By implementing the technical scheme, the utility model has the following beneficial effects:

1. The multifunctional anti-falling mechanism can be stably locked on the well seat and has a stable anti-falling effect.

2. The multifunctional anti-falling mechanism further comprises a telescopic component which can be converted into a ladder stand structure to assist underground operation, and the function of the anti-falling mechanism is further expanded.

3. The multifunctional anti-falling mechanism is further provided with an air bag warning component, and plays roles in warning and preventing falling under the condition that the well lid device is not visible when being flooded.

Drawings

Preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, to facilitate understanding of the objects and advantages of the present utility model, wherein:

FIG. 1 is a schematic view showing a storage state of a multifunctional anti-falling mechanism of a well lid device according to the present utility model;

FIG. 2 is a schematic view showing an opened state of a multifunctional anti-falling mechanism of the well lid device according to the present utility model;

FIG. 3 is a schematic view of the mounting assembly of the present utility model;

FIG. 4 is a schematic view of the structure of the fall arrest frame assembly of the present utility model;

FIG. 5 is a schematic view of the structure of the adjusting structure of the present utility model;

FIG. 6 is a schematic view showing a storage state of the telescopic assembly of the adjusting structure according to the present utility model;

FIG. 7 is a schematic view of the expansion assembly of the adjustment mechanism of the present utility model in an expanded state;

FIG. 8 is a schematic structural view of a reinforcement structure of the telescoping assembly of the present utility model;

FIG. 9 is a schematic view of the driving member of the reinforcement structure of the present utility model;

FIG. 10 is a schematic view of the structure of the locking element of the reinforcing structure of the present utility model;

FIG. 11 is a schematic view showing the structure of the multifunctional crash preventing mechanism according to the present invention.

Detailed Description

The technical scheme of the utility model is further described in detail below with reference to the attached drawings and specific embodiments.

It should be noted that the following embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the following examples, it will be understood by those of ordinary skill in the art that: the technical scheme recorded in each embodiment can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit of the utility model.

The terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible in this specification are defined with respect to the configurations shown in the drawings, and the terms "inner" and "outer" refer to the relative concepts of the terms toward or away from the geometric center of a particular component, respectively, and thus may be changed accordingly depending on the location and use state of the component. These and other directional terms should not be construed as limiting terms.

Examples

A fall-preventing well cover device for an inspection well comprises a well cover and a well seat 100, wherein the well cover is put on the well seat. In this embodiment, a multifunctional fall protection mechanism 200 is included and is mounted on the inner ring of the well base 100, see fig. 1 and 2.

The multifunctional anti-falling mechanism of the embodiment plays a role in blocking falling when the cross frame is arranged at the opening of the well seat in a normal storage state, and is shown in fig. 1. When the underground operation is needed, the multifunctional anti-falling mechanism is opened to be in an open state, and at the moment, the multifunctional anti-falling mechanism can be used as a ladder stand, and the open state is shown in fig. 2. This multi-functional anti-falling mechanism is through ingenious structural design, conveniently accomodates and opens.

The specific structure of the multifunctional fall protection mechanism will be described in detail.

Referring to fig. 2, the multifunctional anti-falling mechanism comprises three parts, namely a mounting assembly 10 connected with the inner ring of the well seat, an anti-falling frame assembly 20 connected to the mounting assembly 10 and a telescopic assembly 30 mounted on the anti-falling frame assembly 20.

Referring to fig. 3, therein, an enlarged schematic view of the mounting assembly 10, the mounting assembly 10 includes a securing member 101 and a connecting rod 102,

The fixing member 101 is fixed to the inner ring of the well base 100, and the fixing member 101 has a substantially L-shaped structure as a whole and is in a sheet shape. The L-shaped long arm is slightly bent to be arc-shaped, is matched with the inner ring of the well seat 100, and is fastened to the well seat 100 through a screw lock. The L-shaped short arm faces the well seat, a connecting rod 102 is connected between the short arms of the two fixing pieces 101, and two ends of the connecting rod 102 are fixed through nuts.

Referring to fig. 4, an enlarged schematic view of the fall arrest frame assembly 20 includes two outer frames 201, a number of crossbars 202 disposed between the two outer frames 201. The outer frame 201 includes a connecting portion 201a rotatably connected to the link 102, a main body portion 201b for forming the overall outline of the fall arrest frame assembly and for mounting the cross bar 202, and a transition portion 201c connecting the connecting portion 201a and the main body portion 201b, and the three portions may be connected to each other or may be integrally formed. The end of the connecting portion 201a is provided with a through hole, penetrates the link 102, and is rotatably connected to the link 102. The two ends of the cross bar 202 are fixed on the main body 201b through nuts, the number of the cross bars 202 is generally 3-5 according to the diameter of the wellhead, and in this embodiment 4. A reinforcing swing arm 203 is further arranged between the cross bar 202 and the connecting rod 102 near the side of the mounting assembly 10, one end of the reinforcing swing arm 203 is sleeved on the connecting rod 102, and the other end is sleeved on the cross bar 102. The connection part 201a of the reinforcing swing arm 203 and the outer frame 201 is directly fastened by a screw and a nut, so that the consistency of the movements of the reinforcing swing arm 203 and the outer frame 201 is ensured.

On the two crossbars 202 remote from the side of the mounting assembly 10, there are provided adjustment structures 204 for adjusting the position of the fall arrest frame assembly 20, one of which is overlapped on the well seat 100, and the other of which is drooped in the well.

Referring to fig. 4 and 5, fig. 5 is an enlarged schematic view of the adjusting structure, including two adjusting members 204a, a pull rod 204b, and a tension spring 204c; the adjusting piece 204a is provided with two strip-shaped holes, the strip-shaped holes are used for adjusting the positions of the adjusting piece relative to the cross bars, the adjusting piece 204a is respectively sleeved on the two cross bars 202 through the strip-shaped holes, the front end of the adjusting piece 204a is provided with a lap 204a1 which can be lapped on the well seat 100, and the lap 204a1 and the adjusting piece 204a are of an integrated structure. The pull rod 204b is arranged between the two adjusting pieces 204a, and two ends of the pull rod are respectively fixed on the adjusting pieces 204a through nuts; one end of the tension spring 204c is connected to the pull rod 204b, and the other end is connected to the cross bar 202 near the tab 204a 1.

In the stowed condition, the tension spring 204c pulls the adjustment member 204a toward the end of the tension spring 204c (away from the mounting assembly 10), at which point the tab 204a1 just overlaps the well seat 100. When the multifunctional crash prevention mechanism needs to be lowered to an open state, the pull rod 204b is pulled towards the installation assembly 10 by force until the tab 204a1 is separated from the blockage of the well seat 100, and when the tab 204a1 moves to the lower side of the well seat 100, the pull rod 204b is released.

Referring to fig. 6 and 7, the telescopic assembly 30 is shown in a storage state in fig. 6 and in a deployed state in fig. 7. The telescopic assembly 30 comprises two first-section telescopic plates 301, two tail-section telescopic plates 303 and a plurality of middle telescopic plates 302 between the first-section telescopic plates 301 and the tail-section telescopic plates 303, wherein the number of pairs of the middle telescopic plates 302 is determined according to the height of the ladder.

The first expansion plate 301 is fixedly installed on the inner sides of the two outer frames, a sliding groove 301a is formed in the inner side of the first expansion plate 301, the same sliding groove 301a is formed in the inner side of the middle expansion plate 302, and limiting protrusions for preventing the corresponding expansion plate from sliding out are formed at two ends of the sliding groove 301 a. The middle expansion plates 302 close to the first expansion plates 301 are slidably mounted in the sliding grooves 301a on the inner sides of the first expansion plates 301, each middle expansion plate 302 is sequentially slidably mounted on the inner sides of the first expansion plates 302, transverse ladder bars 304 are arranged among the opposite first expansion plates 301, the middle expansion plates 302 and the tail expansion plates 303, and the transverse ladder bars 304 are preferably arranged at the end portions, close to the anti-falling frame assembly 20, of the corresponding expansion plates, and therefore storage of the expansion plates is not affected. A transverse step 304 is also provided at the end of the tail section expansion plate 303 as the last step.

In another embodiment, the telescopic assembly 30 further includes a reinforcing structure 40, referring to fig. 8, the reinforcing structure 40 includes a wire rope 401 sequentially passing through each of the lateral steps 304, and an actuating member mounted on the fall arrest frame assembly 20 for controlling the retraction of the wire rope 401, and the end of the wire rope 401 is fixed to the last lateral step 304. The actuating component comprises a rotating shaft 402, a driving piece 403 and a locking piece 404, wherein two ends of the rotating shaft 402 respectively penetrate through the connecting parts 201a of the two outer frames 201, the driving piece 403 controls the rotating shaft 402 to rotate, the locking piece 404 locks the rotating shaft 402, the steel wire rope 401 is wound on the rotating shaft 402 and is arranged at a position close to the end part of the rotating shaft 402, and a protective shell is arranged outside the steel wire rope 401.

Referring to fig. 9, the driving member 403 includes a driving gear 403a mounted on the mounting assembly 10 or the anti-falling frame assembly 20, a rotating handle 403b driving the driving gear 403a to rotate, and a driven gear 403c mounted on the rotating shaft 402, the driving gear 403a is driven by the operating rotating handle 403b to rotate, the driving gear 403a is meshed with the driven gear 403c, and the driven gear 403c is driven to rotate, so that the rotating shaft 402 is driven to rotate, and the rotating shaft 402 rotates to retract the wire rope 401. In the solution shown in fig. 9, the driving gear 403a is indirectly mounted on the connection portion 201a of the outer frame 201 through a gear box 403d, where the gear box 403d is not only the mounting position of the driving gear 403a, but also protects the driving gear and the driven gear.

Referring to fig. 10, the locking member 404 includes a locking gear 404a fixedly provided on the rotation shaft 102, a locking card 404b provided on the mounting assembly 10 or the fall prevention frame assembly 20, and a locking pin 404c locking the position of the locking card 404 b. In the scheme shown in fig. 11, the locking card 404 is rotatably mounted on the reinforcing swing arm 203, the locking pin 404c is mounted through the connecting portion 201a of the reinforcing swing arm 203 and the outer frame 201, but the movement of the locking pin 404c in the horizontal direction is not limited by the reinforcing swing arm 203 and the connecting portion 201a, a pin seat is fixed on the other side (opposite side where the locking card 404 is mounted) of the connecting portion 201a, a bar-shaped hole is opened on the locking pin 404c, one bolt is fixed with the pin seat through the bar-shaped hole, the structures of the pin seat and the bolt may be omitted, and the structure is added here, so that the locking pin 404c can be prevented from sliding out and falling. The locking card 404b is provided with two bolts penetrating through the locking card 404b, a baffle is fixed at one end of the two bolts, a nut is arranged at the other end of the bolt, and a spring is arranged between the bolt and the locking card 404. In the locked state of the locking member 404, the locking tab 404b is caught on the locking gear 404a, and the locking pin 404c is located below the shutter, restricting the movement of the locking tab 404 b. When unlocking is needed, the locking pin 404c is pulled to be separated from the baffle plate, and the locking card 404b is rotated to be separated from the locking gear 404 a.

In another embodiment, the multifunctional anti-drop mechanism further comprises an air bag warning assembly 50, see fig. 11, disposed on the cross bar of the anti-drop frame assembly.

In another specific embodiment, a lock ring is arranged on the well seat, a lock hole is arranged on the lapping piece, the lock hole penetrates through the lock ring, and a padlock is used for locking the well lid device.

Claims (10)

1. The utility model provides a fall protection well lid device for inspection shaft, includes well lid and well seat, the inner circle of well seat is provided with multi-functional anti-falling mechanism, its characterized in that, multi-functional anti-falling mechanism include with the installation component that well seat inner circle is connected with be connected in prevent weighing down the frame subassembly on the installation component, the installation component including fixed mounting in two mounting and the setting of well seat inner circle in connecting rod between the mounting, prevent weighing down the frame subassembly rotate install in on the connecting rod.

2. The fall protection manhole cover device for an inspection shaft of claim 1, wherein the fall protection frame assembly comprises two outer frames, a plurality of crossbars disposed between the two outer frames, the two outer frames being rotatably connected to the links.

3. A fall protection manhole cover device for an inspection well according to claim 2, wherein an adjustment structure for adjusting the placement position of the fall protection frame assembly is provided on the cross bar remote from the mounting assembly.

4. A fall protection manhole cover device for an inspection shaft according to claim 3, wherein the adjustment structure comprises two adjustment members, a tie rod and a tension spring; the adjusting piece is provided with two strip-shaped holes which are respectively sleeved on the two cross bars; the pull rod is arranged between the two adjusting pieces, and two ends of the pull rod are respectively connected to the adjusting pieces; one end of the tension spring is connected to the pull rod, and the other end of the tension spring is connected to the cross rod close to the front end of the adjusting piece.

5. The drop well cover apparatus for an inspection well of claim 4, wherein the front end of the adjusting member is provided with a tab that can be lapped over the well seat.

6. The anti-falling well lid device for an inspection well according to claim 2, further comprising a telescopic assembly, wherein the telescopic assembly comprises two first-section telescopic plates, two tail-section telescopic plates and a plurality of middle telescopic plates positioned between the first-section telescopic plates and the tail-section telescopic plates, the first-section telescopic plates are fixedly installed on the inner sides of the two outer frames, the middle telescopic plates close to the first-section telescopic plates are slidably installed on the inner sides of the first-section telescopic plates, the middle telescopic plates are sequentially slidably installed on the inner sides of the former middle telescopic plates, and transverse ladder bars are arranged between the oppositely arranged first-section telescopic plates, the middle telescopic plates and the tail-section telescopic plates.

7. The drop well lid assembly for an inspection well of claim 6, wherein the telescoping assembly further comprises a reinforcement structure comprising a wire rope sequentially passing through each of the lateral ladder bars, and an actuator mounted to the drop frame assembly for controlling retraction of the wire rope.

8. The drop well lid apparatus for inspection well according to claim 7, wherein the actuating member comprises a rotary shaft having both ends penetrating through the two outer frames, a driving member for controlling rotation of the rotary shaft, and a locking member for locking the rotary shaft, and the wire rope is wound around the rotary shaft at a position near an end of the rotary shaft.

9. The drop well cover apparatus as claimed in claim 8, wherein the driving member comprises a driving gear installed on the installation assembly or the drop preventing assembly, a rotation handle for driving the driving gear to rotate, and a driven gear installed on the rotation shaft, wherein the driving gear is meshed with the driven gear and drives the driven gear to rotate, thereby driving the rotation shaft to rotate.

10. The drop well lid apparatus for an inspection well of claim 8, wherein the locking member comprises a locking gear provided on the rotating shaft, a locking card provided on the mounting assembly or the drop preventing assembly, and a locking pin locking a position of the locking card.