阅读说明：本技术 一种市政检查井用防坠入装置 (Municipal administration inspection well is with preventing falling into device ) 是由 林玉如 于 2021-01-21 设计创作，主要内容包括：本发明公开了一种市政检查井用防坠入装置,包括防坠入装置主体、井盖、蜗杆和从动轴,所述防坠入装置主体的顶部安装有井盖,且防坠入装置主体的内部设置有伺服电机,并且伺服电机的顶部与蜗杆相连接,所述蜗杆的表面通过皮轮组与棘轮相连接,且棘轮的内壁与棘齿的顶部相接触。该市政检查井用防坠入装置,在井盖的周围安装有警示柱,当井盖出现遗失时,使得联动杆会在伸缩弹簧的弹性作用下通过拉力绳对固定栓进行拉动工作,从而使得警示柱在复位弹簧的弹性作用下进行上升运动,有利于警示柱竖立在检查井的四周,方便在井盖遗失后的第一时间能够警示行人,避免人员掉落到检查井的内部,从而造成人员的伤亡的现象。(The invention discloses an anti-falling device for a municipal inspection well, which comprises an anti-falling device main body, a well cover, a worm and a driven shaft, wherein the top of the anti-falling device main body is provided with the well cover, a servo motor is arranged inside the anti-falling device main body, the top of the servo motor is connected with the worm, the surface of the worm is connected with a ratchet wheel through a pulley group, and the inner wall of the ratchet wheel is contacted with the top of the ratchet wheel. This municipal administration inspection well is with preventing falling into device, install the warning post around the well lid, when the well lid appearance loses, make the gangbar can carry out pulling work to the gim peg through the pulling force rope under expanding spring's elastic action, thereby make the warning post carry out the rising motion under reset spring's elastic action, be favorable to warning the post to erect around the inspection shaft, the pedestrian can be warned in the very first time after the well lid loses to the convenience, avoid personnel to drop the inside of inspection shaft, thereby cause the phenomenon of personnel's injures and deaths.)

1. The utility model provides a municipal administration inspection is with preventing falling into device, includes that to prevent falling into device main part (1), well lid (2), worm (4) and driven shaft (9), its characterized in that: the top of the anti-falling device body (1) is provided with a well cover (2), the inner part of the anti-falling device body (1) is provided with a servo motor (3), the top of the servo motor (3) is connected with a worm (4), the surface of the worm (4) is connected with a ratchet wheel (6) through a pulley set (5), the inner wall of the ratchet wheel (6) is contacted with the top of a ratchet (7), the bottom of the ratchet (7) is connected with a driven shaft (9) through a torsion spring (8), the top of the driven shaft (9) is connected with a half gear (10), the surface of the half gear (10) is contacted with a linkage gear (11), one side of the linkage gear (11) is connected with a support rod (12), the top of the worm (4) is connected with a driven gear (13), and the middle part of the driven gear (13) is connected with a reciprocating screw rod (14), and the surface of reciprocal lead screw (14) is connected with slider (15), and the left side of slider (15) is connected with anti-falling grid (16) simultaneously, the bottom of well lid (2) is connected with gangbar (17), and the bottom of gangbar (17) is connected with anti-falling device main part (1) through expanding spring (18), and the bottom of gangbar (17) is connected with one side of pulling force rope (19), and the opposite side of pulling force rope (19) is connected with gim peg (21) simultaneously, the right side of gim peg (21) is connected with anti-falling device main part (1) through resistance spring (20), and the left side of gim peg (21) is connected with warning post (23) through fixed block (22), and the bottom of warning post (23) is connected with anti-falling device main part (1) through reset spring (24).

2. The anti-falling device for the municipal inspection well according to claim 1, wherein: the worm (4) and the ratchet wheel (6) form a linkage structure through the pulley set (5), the inner wall of the ratchet wheel (6) is an inclined notch which is arranged at an equal angle, and the inner wall of the ratchet wheel (6) is attached to the top of the ratchet (7).

3. The anti-falling device for the municipal inspection well according to claim 2, wherein: the ratchets (7) are distributed on the driven shaft (9) at equal angles, the ratchets (7) and the driven shaft (9) form a rotary structure through a torsion spring (8), and the driven shaft (9) and the half gear (10) are of an integrated structure.

4. The anti-falling device for the municipal inspection well according to claim 3, wherein: the half gear (10) is in an incomplete tooth angle shape, the half gear (10) is in meshed connection with the linkage gear (11), and the linkage gear (11) and the support rod (12) are fixed in a welded mode.

5. The anti-falling device for the municipal inspection well according to claim 4, wherein: bracing piece (12) with prevent weighing down into device main part (1) and be swivelling joint, and the top of bracing piece (12) is the elastic rubber material to the top surface of bracing piece (12) is laminated each other with the bottom of well lid (2).

6. The anti-falling device for the municipal inspection well according to claim 1, wherein: the driven gear (13) is in meshed connection with the worm (4), the driven gear (13) is located in the middle of the reciprocating screw rod (14), the reciprocating screw rod (14) is in meshed connection with the sliding block (15), and the sliding blocks (15) are symmetrically distributed by taking the driven gear (13) as the center.

7. The anti-falling device for the municipal inspection well according to claim 1, wherein: the slider (15) is fixedly connected with the anti-falling grid (16), the anti-falling grid (16) is positioned in the anti-falling device main body (1), and the area of the anti-falling grid (16) after being attached is larger than the cross section area of the inlet.

8. The anti-falling device for the municipal inspection well according to claim 1, wherein: the top of gangbar (17) and the bottom of well lid (2) laminate each other, and the bottom of gangbar (17) passes through expanding spring (18) and constitutes extending structure with anti-falling device main part (1) to gangbar (17) pass through pulling force rope (19) and constitute linkage structure with gim peg (21), and pulling force rope (19) are located the middle part of resistance spring (20).

9. The anti-falling device for the municipal inspection well according to claim 8, wherein: the fixing bolt (21) and the anti-falling device main body (1) form a telescopic structure through the resistance spring (20), the left side of the fixing bolt (21) is obliquely arranged, the fixing bolt (21) is clamped with the fixing block (22) mutually, and meanwhile the top of the fixing block (22) is arranged to be an oblique notch opposite to the direction of the fixing bolt (21).

10. The anti-falling device for the municipal inspection well according to claim 8, wherein: fixed block (22) with prevent weighing down to go into device main part (1) and be sliding connection, and fixed block (22) and warning post (23) be integral structure to warning post (23) use well lid (2) as angular distribution such as center, the bottom of warning post (23) simultaneously through reset spring (24) with prevent weighing down to go into device main part (1) and constitute extending structure.

Technical Field

The invention relates to the technical field of inspection wells, in particular to an anti-dropping device for a municipal inspection well.

Background

The inspection well is the maintenance such as for city underground infrastructure, the feedwater, the drainage, the blowdown, the communication, cable TV, the gas pipe, the street lamp circuit, simple to operate and setting up, generally establish at pipeline intersection, the turn, pipe diameter or slope change department, and straight line pipe section every certain distance department, be convenient for regularly inspect the affiliated structures, because the depth of inspection well is more deep, can cause pedestrian and driver and crew to drop wherein under the condition of carelessness when the well lid appears losing or damaging, thereby cause the casualty phenomenon of personnel, consequently need municipal inspection well to prevent falling into the device, but the common municipal inspection well prevents falling into the device for the present market still has following problem:

1. when the manhole cover at the top of the inspection well is damaged or lost, the pedestrian cannot be prompted at the first time, so that the passing pedestrian cannot find the loss of the manhole cover, and the pedestrian can fall into the inspection well to cause a certain degree of injury;

2. the general inspection well is deep, regular inspection needs to be carried out on the inspection well, during inspection, the falling-in prevention device arranged inside the inspection well can block the route of maintenance personnel, and the falling-in prevention device needs to be detached, so that the working efficiency is reduced.

We have therefore proposed a fall-in prevention device for municipal inspection wells in order to solve the problems set out above.

Disclosure of Invention

The invention aims to provide an anti-falling device for a municipal inspection well, which solves the problems that the anti-falling device for the municipal inspection well in the prior market, which is provided by the background technology, can not prompt pedestrians in the first time when a well cover at the top of the inspection well is damaged or lost, so that the passing pedestrians can not find the loss of the well cover, and can fall into the inspection well to cause certain damage, meanwhile, the general inspection well is deep and needs to be inspected regularly, and during inspection, the anti-falling device arranged inside the inspection well can block the route of maintenance personnel and needs to be detached, so that the working efficiency is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: an anti-falling device for a municipal inspection well comprises an anti-falling device main body, a well lid, a worm and a driven shaft, wherein the well lid is installed at the top of the anti-falling device main body, a servo motor is arranged inside the anti-falling device main body, the top of the servo motor is connected with the worm, the surface of the worm is connected with a ratchet wheel through a pulley set, the inner wall of the ratchet wheel is contacted with the top of the ratchet wheel, the bottom of the ratchet wheel is connected with the driven shaft through a torsion spring, the top of the driven shaft is connected with a half gear, the surface of the half gear is contacted with a linkage gear, one side of the linkage gear is connected with a supporting rod, the top of the worm is connected with a driven gear, the middle part of the driven gear is connected with a reciprocating screw rod, the outer surface of the reciprocating screw rod is connected, the bottom of well lid is connected with the gangbar, and the bottom of gangbar is connected with preventing weighing down into the device main part through expanding spring to the bottom of gangbar is connected with one side of pulling force rope, and the opposite side of pulling force rope is connected with the gim peg simultaneously, the right side of gim peg is connected with preventing weighing down into the device main part through resistance spring, and the left side of gim peg is connected with the warning post through the fixed block, and the bottom of warning post is connected with preventing weighing down into the device main part through reset spring.

Preferably, the worm forms a linkage structure with the ratchet wheel through a pulley set, the inner wall of the ratchet wheel is an inclined notch arranged at an equal angle, and the inner wall of the ratchet wheel is attached to the top of the ratchet wheel.

Preferably, the ratchets are distributed on the driven shaft at equal angles, the ratchets and the driven shaft form a rotary structure through a torsion spring, and the driven shaft and the half gear are in an integrated structure.

Preferably, the half gear is in an incomplete tooth angle shape, the half gear is in meshed connection with the linkage gear, and the linkage gear is welded and fixed with the support rod.

Preferably, the bracing piece is swivelling joint with preventing falling into the device main part, and the top of bracing piece is elastic rubber material to the top surface of bracing piece is laminated each other with the bottom of well lid.

Preferably, the driven gear is in meshed connection with the worm, the driven gear is located in the middle of the reciprocating screw rod, the reciprocating screw rod is in meshed connection with the sliding block, and the sliding blocks are symmetrically distributed by taking the driven gear as the center.

Preferably, the slider is fixedly connected with the anti-falling grid, the anti-falling grid is positioned in the anti-falling device body, and the area of the anti-falling grid after being attached is larger than the area of the cross section of the inlet.

Preferably, the top of the linkage rod is mutually attached to the bottom of the well lid, the bottom of the linkage rod forms a telescopic structure with the anti-falling device main body through a telescopic spring, the linkage rod forms a linkage structure with the fixing bolt through a tension rope, and the tension rope is located in the middle of the resistance spring.

Preferably, the fixing bolt and the anti-falling device main body form a telescopic structure through a resistance spring, the left side of the fixing bolt is obliquely arranged, the fixing bolt and the fixing block are clamped with each other, and meanwhile, the top of the fixing block is provided with an oblique notch opposite to the direction of the fixing bolt.

Preferably, the fixed block with prevent weighing down and go into the device main part and be sliding connection, and the fixed block and warning post structure as an organic whole to the warning post uses the well lid to constitute extending structure with preventing weighing down the device main part through reset spring in the bottom of warning post simultaneously for angular distribution such as center.

Compared with the prior art, the invention has the beneficial effects that: the anti-dropping device for the municipal inspection well,

1. the warning post is arranged around the well lid, when the well lid is lost, the linkage rod can pull the fixing bolt through the tension rope under the elastic action of the telescopic spring, so that the warning post can perform lifting motion under the elastic action of the reset spring, the warning post can be erected around the inspection well, pedestrians can be warned conveniently at the first time after the well lid is lost, and the phenomenon that the personnel fall into the inspection well and are injured and killed is avoided;

2. prevent falling the inside of going into the device main part and be provided with servo motor, after opening servo motor for servo motor drives the bracing piece and rotates, thereby makes the bracing piece drive the well lid and struts, avoids the well lid comparatively heavy, makes when maintaining more difficult transport, and servo motor can drive the net of falling of preventing simultaneously and carry out the removal about, conveniently prevents opening of the net of falling, and the net of avoiding falling needs manual opening and dismantlement, thereby improves work efficiency.

Drawings

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of a front sectional view of a half gear and a linkage gear according to the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 6 is a schematic view of the right-side cross-sectional connection structure of the ratchet and the torsion spring according to the present invention;

FIG. 7 is a schematic view of a top-view connection structure of the driven gear and the reciprocating screw rod according to the present invention;

FIG. 8 is a schematic top view of the connection structure of the half gear and the linking gear according to the present invention.

In the figure: 1. the fall-prevention device body; 2. a well cover; 3. a servo motor; 4. a worm; 5. a pulley group; 6. a ratchet wheel; 7. a ratchet; 8. a torsion spring; 9. a driven shaft; 10. a half gear; 11. a linkage gear; 12. a support bar; 13. a driven gear; 14. a reciprocating screw rod; 15. a slider; 16. a fall protection grid; 17. a linkage rod; 18. a tension spring; 19. a tension rope; 20. a resistance spring; 21. a fixing bolt; 22. a fixed block; 23. a warning post; 24. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: an anti-falling device for a municipal inspection well comprises an anti-falling device body 1, a well cover 2, a worm 4 and a driven shaft 9, wherein the top of the anti-falling device body 1 is provided with the well cover 2, the interior of the anti-falling device body 1 is provided with a servo motor 3, the top of the servo motor 3 is connected with the worm 4, the surface of the worm 4 is connected with a ratchet 6 through a pulley group 5, the inner wall of the ratchet 6 is contacted with the top of a ratchet 7, the bottom of the ratchet 7 is connected with the driven shaft 9 through a torsion spring 8, the top of the driven shaft 9 is connected with a half gear 10, the surface of the half gear 10 is contacted with a linkage gear 11, one side of the linkage gear 11 is connected with a support rod 12, the top of the worm 4 is connected with a driven gear 13, the middle part of the driven gear 13 is connected with a reciprocating screw rod 14, and the, simultaneously the left side of slider 15 is connected with the net 16 of preventing falling, the bottom of well lid 2 is connected with gangbar 17, and the bottom of gangbar 17 is connected with the device main part 1 of preventing falling through expanding spring 18, and the bottom of gangbar 17 is connected with one side of pulling force rope 19, the opposite side of pulling force rope 19 is connected with gim peg 21 simultaneously, the right side of gim peg 21 is connected with the device main part 1 of preventing falling through resistance spring 20, and the left side of gim peg 21 is connected with warning post 23 through fixed block 22, and the bottom of warning post 23 is connected with the device main part 1 of preventing falling through reset spring 24.

The worm 4 passes through the pulley group 5 and constitutes linkage structure with ratchet 6, and the inner wall of ratchet 6 is the slope breach that the angle set up equally to the inner wall of ratchet 6 laminates with the top of ratchet 7 each other, is favorable to the worm 4 to drive ratchet 6 through pulley group 5 and rotates.

The ratchets 7 are distributed on the driven shaft 9 in an equal angle mode, the ratchets 7 and the driven shaft 9 form a rotating structure through the torsion spring 8, the driven shaft 9 and the half gear 10 are of an integrated structure, and when external friction force is larger than elastic action of the torsion spring 8, the ratchet wheel 6 idles outside the driven shaft 9.

The half gear 10 is in an incomplete tooth angle shape, the half gear 10 is in meshed connection with the linkage gear 11, the linkage gear 11 is fixedly welded with the support rod 12, and when the half gear 10 rotates to a part with a tooth angle, the half gear 10 drives the linkage gear 11 to rotate.

The bracing piece 12 is swivelling joint with preventing falling into device main part 1, and the top of bracing piece 12 is elastic rubber material to the top surface of bracing piece 12 is laminated each other with the bottom of well lid 2, when being favorable to the bracing piece 12 to rotate, makes the bracing piece 12 promote well lid 2 and opens.

The driven gear 13 is in meshed connection with the worm 4, the driven gear 13 is located in the middle of the reciprocating screw rod 14, the reciprocating screw rod 14 is in meshed connection with the sliding block 15, and meanwhile, the sliding blocks 15 are symmetrically distributed by taking the driven gear 13 as a center, so that the worm 4 is favorable for driving the reciprocating screw rod 14 to rotate through the driven gear 13.

The slider 15 and the anti-falling grid 16 are fixedly connected, the anti-falling grid 16 is located inside the anti-falling device main body 1, the area of the anti-falling grid 16 after being attached is larger than the area of the cross section of the inlet, the slider 15 is favorable for driving the anti-falling grid 16 to perform reciprocating work, and the anti-falling grid 16 can be automatically opened and closed conveniently.

The top of the linkage rod 17 is attached to the bottom of the well lid 2, the bottom of the linkage rod 17 and the anti-falling device main body 1 form a telescopic structure through the telescopic spring 18, the linkage rod 17 and the fixing bolt 21 form a linkage structure through the tension rope 19, the tension rope 19 is located in the middle of the resistance spring 20, and the linkage rod 17 can perform lifting movement under the elastic action of the telescopic spring 18.

The fixing bolt 21 and the anti-falling device main body 1 form a telescopic structure through the resistance spring 20, the left side of the fixing bolt 21 is obliquely arranged, the fixing bolt 21 and the fixing block 22 are clamped with each other, and meanwhile, the top of the fixing block 22 is arranged to be an oblique notch opposite to the direction of the fixing bolt 21, so that the fixing bolt 21 can be used for clamping and fixing the fixing block 22.

The fixed block 22 with prevent weighing down to go into device main part 1 and be sliding connection, and fixed block 22 and warning post 23 be the integral structure to warning post 23 uses well lid 2 to constitute extending structure with preventing weighing down into device main part 1 through reset spring 24 in the bottom of warning post 23 simultaneously, is favorable to warning post 23's automatic work that rises, can make warning post 23 indicate pedestrian well lid 2's loss at the very first time.

The working principle of the embodiment is as follows: according to the figures 1-3, when the anti-falling device for the municipal inspection well is used, firstly, a worker needs to connect the anti-falling device main body 1 with a pipeline, then the anti-falling device main body 1 is buried at a proper position, and meanwhile, the well lid 2 is arranged at the top of the anti-falling device main body 1, when the well lid 2 is lost, the linkage rod 17 can perform ascending motion under the elastic action of the expansion spring 18, because the elasticity of the expansion spring 18 is greater than that of the resistance spring 20, the linkage rod 17 pulls the fixed bolt 21 through the tension rope 19, so that the fixed bolt 21 is separated from the clamping of the fixed block 22, the warning post 23 can perform ascending motion under the elastic action of the reset spring 24, the warning post 23 can conveniently extend out of the anti-falling device main body 1, and the warning post 23 can warn pedestrians at the first time after the well lid 2 is lost, the phenomenon that the pedestrian falls into the inspection well to cause casualty is avoided, when the well cover 2 is replaced and installed, so that the well lid 2 extrudes the linkage rod 17, the fixing bolt 21 performs the reset operation under the elastic action of the resistance spring 20, the alarming post 23 can be pressed, so that the alarming post 23 compresses the return spring 24 to facilitate the subsequent pushing work of the return spring 24 on the alarming post 23, then the warning post 23 brings the inclined surface of the fixing block 22 into contact with the fixing bolt 21, so that the fixing block 22 performs a compression work on the resistance spring 20 through the fixing bolt 21, when the fixed block 22 is separated from contact with the fixed bolt 21, the fixed bolt 21 can fix the fixed block 22 under the elastic action of the resistance spring 20, so that the retraction work of the warning column 23 is facilitated, and the warning column 23 is prevented from standing on the ground to influence the walking of pedestrians;

according to the figures 4-8, when a maintainer needs to enter the inspection well for periodic inspection and maintenance, the servo motor 3 can be opened, so that the servo motor 3 drives the worm 4 to rotate anticlockwise, so that the worm 4 drives the ratchet 6 to rotate through the pulley group 5, the inner wall of the ratchet 6 is clamped with the ratchet 7, so that the ratchet 7 drives the driven shaft 9 to rotate, the driven shaft 9 drives the half gear 10 at the top to rotate, when the half gear 10 rotates to a part with a tooth angle, the half gear 10 and the linkage gear 11 do meshing motion, so that the linkage gear 11 drives the supporting rod 12 to do rotating motion, so that the supporting rod 12 drives the well lid 2 at the top to rotate, the well lid 2 can be opened automatically, when the half gear 10 rotates to a part without a tooth angle, the supporting rod 12 can reset under the action of gravity, make things convenient for follow-up bracing piece 12 to the promotion work of well lid 2, make servo motor 3 drive worm 4 clockwise rotation after that, when external friction is greater than the elastic action of torsional spring 8, make ratchet 6 idle at the outside of driven shaft 9, worm 4 can drive driven gear 13 simultaneously and rotate, make driven gear 13 be threaded motion through reciprocal lead screw 14 and slider 15, thereby make slider 15 drive prevent falling net 16 and do reciprocating motion in the inside of preventing weighing down into device main part 1, be favorable to preventing falling net 16 can automatic opening and close, avoid needing manual dismantlement to prevent falling net 16 and just can get into inside the inspection shaft, thereby improve work efficiency, thereby accomplish a series of works.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.