CN219341375U - Elevator is used in maintenance of municipal administration sewer - Google Patents

Abstract

The utility model discloses an elevator for maintaining municipal sewer, which belongs to the technical field of municipal engineering and comprises a sewer, a special maintenance inlet, a movable door, guide rods, an elevator, a protective door, a bottom groove and a winch, wherein the guide rods are arranged on two sides of the inside of the special maintenance inlet, the elevator is installed between the two guide rods through a sliding block, the protective door is installed on the front surface of the elevator through a hinge, the two protective doors are fixed through bolts, and the bottom groove is arranged right below the inner wall of the bottom of the sewer close to the special maintenance inlet. According to the utility model, the speed-driven inductive switch is utilized to sense the motor rotating speed of the winch, if the rotating speed exceeds a normal range, the steel cable is clamped and held tightly by the tooth occlusion of the speed-driven inductive switch and the motor rotating speed, the micro switch is triggered to drive the connecting column to extend when the speed-driven inductive switch is matched with the motor rotating speed, the extending connecting column penetrates through the limiting groove to fix the rack, and the steel cable is held tightly and clamped, so that the elevator is prevented from falling.

Description

Elevator is used in maintenance of municipal administration sewer

Technical Field

The utility model belongs to the technical field of municipal engineering, and particularly relates to an elevator for maintaining municipal sewer.

Background

Municipal administration refers to various administrative work of the city, and also refers to market trade matters. Urban management work includes business, traffic, public security, religious, environmental, sanitary, infrastructure, etc., however maintenance work for sewer in cities is also within jurisdictions of municipal units.

According to the search, the application number CN202020529948.7 is a municipal constructor elevator, which comprises a base, an operation platform, a scissor type support and guardrails, wherein the base comprises two parallel sliding rails, the scissor type support is fixedly installed on the base, the operation platform is fixedly installed at the upper end of the scissor type support, the guardrails are surrounded on the periphery of the operation platform, an anti-overturning device is further arranged between the operation platform and the base and comprises a connecting rod and a locking piece, the other end of the connecting rod is rotationally connected with the operation platform, one end of the connecting rod is rotationally connected with the locking piece, the locking piece comprises clamping teeth distributed along the direction of the sliding rails, clamping blocks which are in collision with the clamping teeth are arranged between two adjacent clamping teeth, and the novel elevator has the corresponding supporting function and more stable effect in the operation process of the scissor type support; the disadvantages are as follows:

through research analysis, it is found that this kind of companion ladder is because the base is too wide, consequently is difficult to satisfy the installation in the municipal sewer, and, this kind of companion ladder utilizes scissors formula support to carry out lifting work to companion ladder, in advancing, if the support damages, can lead to the companion ladder to fall down fast, thereby can lead to personnel injury in the companion ladder, and this companion ladder is just about to make companion ladder bottom and ground contact before falling to the ground, make it and ground contact stop the displacement in the past so easily cause the companion ladder to receive the impact force on ground for a long time and break down or damage.

Disclosure of Invention

The utility model aims at: in order to solve the problems that the elevator lacks a device for unloading and damping before landing and the elevator lacks an anti-falling mechanism, the elevator for maintaining municipal sewer is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides an elevator is used in maintenance of municipal administration sewer, includes sewer, maintenance special entry, dodge gate, guide bar, elevator, guard gate, kerve, hoist engine, sewer top inner wall department is provided with maintenance special entry, maintenance special entry top is provided with the dodge gate through the pivot rotation, maintenance special entry inside both sides all are provided with the guide bar, two install the elevator through the slider between the guide bar, the guard gate is openly installed through the hinge to the elevator, and passes through the bolt between two guard gates to be fixed, sewer bottom inner wall department is close to and is provided with the kerve under the maintenance special entry, the sewer bottom inner wall department is close to the guide bar outside and installs the hoist engine, and the steel cable of hoist engine is connected with elevator top four corners, and the wire rope is led through the leading wheel, the kerve is inside to be provided with the shock attenuation mechanism who reduces the elevator when descending, the inside anti-falling mechanism that can prevent the elevator automatically when the elevator is out of control that is provided with of control of sewer.

Wherein, the anti-falling mechanism includes agreeing with groove, hydraulic telescoping rod, spliced pole, micro-gap switch, rack, agreeing with first, spacing groove, motor, gear, speed drive inductive switch, wherein, sewer top inner wall is close to the special entry both sides of maintenance and all is provided with agreeing with the groove, agreeing with the groove below and having hydraulic telescoping rod through support mounting, the extension portion end department of hydraulic telescoping rod is connected with the spliced pole, agreeing with groove internally mounted and having micro-gap switch, and micro-gap switch passes through the extension switch series connection of electric wire and hydraulic telescoping rod, sewer top inner wall is close to agreeing with the groove outside and has the rack through movable support movable mounting, the agreeing with first is installed to the rack opposite side inner wall and agreeing with first opposite side outer wall surface and all is provided with the tooth, and agreeing with and being in the setting between groove and the first, and the tooth interlock of two, the inside spacing groove that is provided with of rack opposite side, the spliced pole is close to rack top inner wall department through support mounting motor, output shaft one side of motor is connected with the gear, and the motor and the rack has the gear to install the speed with the motor and the inductive switch through the rack, the drive inductive switch is installed with the tooth between the wire and the drive inductive switch.

Wherein, damper includes movable groove, movable post, roof, inoxidizing coating, wherein, the inside movable groove that is provided with of kerve, and movable inslot wall laminating is provided with the damping layer, the inside activity of movable groove is provided with the movable post, and is connected with the spring between movable post bottom and the movable groove bottom inner wall, and the movable post bottom is provided with the friction head, and the friction head contacts with the damping layer of movable groove inner wall laminating, the kerve outside has the roof, and the roof is connected with the movable post other end, roof surface laminating is provided with the inoxidizing coating.

Wherein the protective layer is made of rubber.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the utility model, the anti-falling mechanism is arranged, the engaging groove, the hydraulic telescopic rod, the connecting column, the micro switch, the rack, the engaging head, the limiting groove, the motor, the gear and the speed driving inductive switch are matched for use, the speed driving inductive switch is utilized to induce the motor rotating speed of the winch, if the rotating speed exceeds a normal range, the speed driving inductive switch is used for closing the winch and starting the motor to drive the gear to rotate, the rack is driven to move through the gear while rotating, the engaging head at the other side of the moving rack is contacted with the steel cable of the winch and engaged with the engaging groove, the steel cable is clamped and held tightly through the tooth engagement of the two, the micro switch is triggered to drive the connecting column to extend when the two are engaged, the extending connecting column penetrates through the limiting groove to fix the rack, and the steel cable is clamped tightly through the locking clamp, so that the elevator is prevented from falling.

2. According to the utility model, the damping mechanism is arranged, the movable groove, the movable column, the top plate and the protective layer are matched for use, the protective layer at the top of the top plate is contacted with the bottom of the falling elevator, so that the movable column moves in the movable groove, the friction head at the bottom of the movable column is fully contacted with the damping layer attached to the inner wall of the movable groove while moving, and the force unloading work of impact force generated when the elevator falls is completed under the action of the spring, so that the damping purpose is achieved.

Drawings

FIG. 1 is a schematic diagram of the overall three-dimensional architecture of the elevator of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic diagram of the enlarged construction of FIG. 2A according to the present utility model;

FIG. 4 is a schematic diagram of an enlarged structure at B in FIG. 2 according to the present utility model;

fig. 5 is a schematic perspective view of the rack of the present utility model.

The marks in the figure: 1. a sewer; 2. a maintenance dedicated inlet; 201. a movable door; 3. a guide rod; 301. an elevator; 302. a protective door; 4. a bottom groove; 401. a movable groove; 402. a movable column; 403. a top plate; 404. a protective layer; 5. a fitting groove; 501. a hydraulic telescopic rod; 502. a connecting column; 503. a micro-switch; 6. a rack; 601. a fitting head; 602. a limit groove; 7. a motor; 701. a gear; 8. a hoist; 801. the speed drives the inductive switch.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1 to 5, an elevator for municipal sewer maintenance comprises a sewer 1, a maintenance special inlet 2, a movable door 201, guide rods 3, an elevator 301, a protective door 302, a bottom groove 4 and a winch 8, wherein the maintenance special inlet 2 is arranged at the inner wall of the top of the sewer 1, the movable door 201 is rotatably arranged at the top of the maintenance special inlet 2 through a rotating shaft, the guide rods 3 are arranged at both sides of the inside of the maintenance special inlet 2, the elevator 301 is arranged between the two guide rods 3 through sliding blocks, the protective door 302 is arranged at the front of the elevator 301 through hinges, the two protective doors 302 are fixed through bolts, the bottom groove 4 is arranged right below the inner wall of the bottom of the sewer 1, the winch 8 is arranged at the outer side of the inner wall of the bottom of the sewer 1 and is close to the guide rods 3, a steel cable of the winch 8 is connected with hanging rings at the top of the elevator 301, a steel cable is guided by guide wheels, the bottom groove 4 is internally provided with a damping mechanism for reducing the falling of the elevator 301, and the inside of the elevator 301 is automatically prevented from being out of control when the elevator 301 falls.

Referring to fig. 1-5, the anti-falling mechanism comprises a fitting groove 5, a hydraulic telescopic rod 501, a connecting column 502, a micro switch 503, a rack 6, a fitting head 601, a limiting groove 602, a motor 7, a gear 701 and a speed driving induction switch 801, wherein the two sides of the inner wall of the top of a sewer 1, which are close to a special maintenance inlet 2, are respectively provided with the fitting groove 5, the hydraulic telescopic rod 501 is installed below the fitting groove 5 through a bracket, the connecting column 502 is connected at the end of the telescopic part of the hydraulic telescopic rod 501, the micro switch 503 is installed inside the fitting groove 5, the micro switch 503 is connected with an extension switch of the hydraulic telescopic rod 501 in series through an electric wire, the rack 6 is movably installed outside the inner wall of the top of the sewer 1, which is close to the fitting groove 5, the other side of the rack 6 is provided with the fitting head 601, the other side inner wall of the fitting groove 5 and the outer wall surface of the other side of the fitting head 601 are respectively provided with teeth, the engaging groove 5 and the engaging head 601 are engaged with each other, the teeth of the engaging groove 5 and the engaging head 601 are engaged with each other, a limit groove 602 is arranged in the other side of the rack 6, the connecting column 502 penetrates through the limit groove 602, a motor 7 is installed on the position, close to the upper part of the rack 6, of the inner wall of the top of the sewer 1 through a bracket, one side of an output shaft of the motor 7 is connected with a gear 701, the teeth of the rack 6 are engaged with the teeth of the gear 701, a speed driving inductive switch 801 is installed on the outer side of the motor of the winch 8, the speed driving inductive switch 801 is connected with the motor of the winch 8 and the motor 7 in series through wires, if the elevator 301 is unexpected in the falling process, the elevator 301 stalls down, at this time, the stalled elevator 301 pulls out a steel rope of the winch 8, and the rotating speed of the steel rope steering wheel of the winch 8 is lifted due to stalling, therefore, the rotor rotating speed of the motor of the winch 8 connected with the motor is increased, at this time, the speed for monitoring the motor of the winch 8 is used for driving the inductive switch 801 to monitor the rotor rotating speed of the winch 8, so that the shutdown switch of the winch 8 is rapidly controlled to close the winch 8, meanwhile, the motor 7 is controlled to drive the gear 701 to rotate to drive the rack 6 to move, the engaging head 601 of the moving rack 6 is engaged with the engaging groove 5, teeth on the inner wall of the engaging head and the teeth on the inner wall of the engaging groove are engaged with each other to tightly clamp a steel rope, and meanwhile, the micro switch 503 is triggered to control the hydraulic telescopic rod 501 to drive the connecting column 502 to move, so that the rack 6 is fixed by the connecting column 502 penetrating through the limiting groove 602 of the rack 6, and the steel rope is prevented from being continuously pulled to cause the elevator 301 to continuously descend.

Referring to fig. 1-5, the damping mechanism includes movable groove 401, movable column 402, roof 403, inoxidizing coating 404, wherein, the inside movable groove 401 that is provided with of bottom groove 4, and movable groove 401 inner wall laminating is provided with the damping layer, movable column 402 is provided with in the inside activity of movable groove 401, and be connected with the spring between movable column 402 bottom and the movable groove 401 bottom inner wall, and movable column 402 bottom is provided with the friction head, and the friction head contacts with the damping layer of movable groove 401 inner wall laminating, there is roof 403 bottom groove 4 outside, and roof 403 is connected with movable column 402 other end, roof 403 surface laminating is provided with inoxidizing coating 404, the staff opens the dodge door 201 and gets into elevator 301 inside and control hoist 8 and put the rope to the steel cable, make elevator 301 move down at the uniform velocity on guide bar 3 under the direction of leading wheel, when moving to the inside bottom of sewer 1, through elevator 301 bottom 404 and the contact of the inoxidizing coating 301 bottom of roof 403 and the inside elevator 301 bottom of whereabouts, make movable column 402 move in movable groove 401, the friction head and the damping layer of movable groove 401 inner wall laminating contact with the damping layer of movable groove 401 inner wall laminating, and fully produce the effect of damping layer under the spring under the effect when accomplishing this and achieving the purpose of unloading.

Referring to fig. 1 to 5, the protective layer 404 is made of rubber, and the protective layer 404 is made of rubber having a certain deformability and protectiveness, so that the protective layer 404 is made of rubber, and can be fully contacted with the bottom of the elevator 301 to unload the impact force generated when the elevator 301 descends through deformation, thereby effectively reducing the impact force generated when the elevator 301 descends.

Referring to fig. 1-5, in the present embodiment, the micro switch 503 and the speed driving inductive switch 801 are electrically connected to an external power source, the hydraulic pump matched with the hydraulic telescopic rod 501 is electrically connected to the micro switch 503 through a wire, and the motor 7 and the shutdown switch of the hoist 8 are electrically connected to the speed driving inductive switch 801 through wires.

Embodiment two:

referring to fig. 1 and 2, another embodiment of the present utility model is to provide a protective layer 404 made of rubber as the protective layer 404:

the protective layer 404 is made of silica gel, and the protective layer 404 is made of silica gel, so that the protective layer 404 is softer than rubber while having higher deformability and protective property than those of rubber, and the force of the protective layer 404 can be further increased when the protective layer 404 contacts with the elevator 301, so that the protective layer 404 further plays a role in shock absorption.

Working principle: firstly, a worker opens the movable door 201 to enter the elevator 301 and controls the winch 8 to unwind the steel cable, the elevator 301 moves downwards on the guide rod 3 at a constant speed under the guide of the guide wheel, when the elevator moves to the bottom of the interior of the sewer 1, the movable column 402 moves in the movable groove 401 through the contact between the protective layer 404 at the bottom of the elevator 301 and the top of the top plate 403 and the bottom of the fallen elevator 301, the friction head at the bottom of the movable column 402 fully contacts with the damping layer attached to the inner wall of the movable groove 401 while moving, and the force-releasing work of the impact force generated when the elevator 301 falls is completed under the action of the spring, so that the damping purpose is achieved, if the elevator 301 is unexpected in the falling process, the elevator 301 is caused to stall, at the moment, the stalled elevator 301 pulls out the steel cable of the winch 8, and the rotation speed of the steel rope steering wheel of the winch 8 is increased due to stall, so that the rotation speed of the rotor of the motor of the winch 8 connected with the steel rope steering wheel is increased, at the moment, the speed for monitoring the motor of the winch 8 is used for driving the inductive switch 801 to monitor the rotation speed of the rotor of the winch 8, thereby rapidly controlling the shutdown switch of the winch 8 to close the winch 8, simultaneously controlling the motor 7 to drive the gear 701 to rotate so as to drive the rack 6 to move, the engaging head 601 of the moved rack 6 is engaged with the engaging groove 5, teeth on the inner wall of the two engage with each other, the steel rope is tightly held, the micro switch 503 is triggered to control the hydraulic telescopic rod 501 to drive the connecting column 502 to move, so that the rack 6 is fixed through the limiting groove 602 of the connecting column 502 penetrating the rack 6, thereby preventing the steel rope from being continuously pulled to cause the elevator 301 to continuously descend, and then the staff reports the situation through the wireless interphone and waits for rescue.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. The utility model provides an elevator is used in maintenance of municipal administration sewer, includes sewer (1), special entry (2) of maintenance, dodge gate (201), guide bar (3), elevator (301), guard gate (302), kerve (4), hoist engine (8), sewer (1) top inner wall department is provided with special entry (2) of maintenance, special entry (2) top of maintenance is provided with dodge gate (201) through the pivot rotation, special entry (2) of maintenance inside both sides all are provided with guide bar (3), two elevator (301) are installed through the slider between guide bar (3), guard gate (302) are openly installed through the hinge to elevator (301), and are fixed through the bolt between two guard gates (302), sewer (1) bottom inner wall department is close to special entry (2) of maintenance below be provided with kerve (4), the wire rope of hoist engine (8) is installed in the bottom inner wall department of sewer (1) outside and hoist engine (301) four corners are connected, and wire rope passes through guide wire rope, and guide wire rope its characterized in that: the inside damper that is provided with of kerve (4) reduces elevator (301) and to the impact when descending plays cushioning effect, the inside anti-drop mechanism that can prevent automatically that elevator (301) from falling when elevator (301) out of control that is provided with of sewer (1).

2. An elevator for municipal sewer maintenance according to claim 1, wherein: anti-falling mechanism is including agreeing with groove (5), hydraulic telescoping rod (501), spliced pole (502), micro-gap switch (503), rack (6), agreeing with head (601), spacing groove (602), motor (7), gear (701), speed drive inductive switch (801), wherein, sewer (1) top inner wall is close to maintenance special entry (2) both sides and all is provided with agreeing with groove (5), agreeing with groove (5) below and having hydraulic telescoping rod (501) through the support mounting, the flexible part end department of hydraulic telescoping rod (501) is connected with spliced pole (502), agreeing with groove (5) internally mounted has micro-gap switch (503), sewer (1) top inner wall is close to agreeing with groove (5) outside and is equipped with rack (6) through movable support movable mounting, install agreeing with head (601) rack (6) opposite side, rack (6) opposite side inside is provided with spacing groove (602), sewer (1) top inner wall is close to rack (6) top department through support mounting motor (7), output shaft motor (7) one side gear (8) are connected with speed drive inductive switch (801).

3. An elevator for municipal sewer maintenance according to claim 1, wherein: the damping mechanism comprises a movable groove (401), a movable column (402), a top plate (403) and a protective layer (404), wherein the movable groove (401) is arranged inside the bottom groove (4), the movable column (402) is movably arranged inside the movable groove (401), the top plate (403) is arranged outside the bottom groove (4), and the protective layer (404) is arranged on the surface of the top plate (403) in a laminating mode.

4. An elevator for municipal sewer maintenance according to claim 2, wherein: teeth are arranged on the inner wall of the other side of the engaging groove (5) and the outer wall surface of the other side of the engaging head (601), the engaging groove (5) and the engaging head (601) are in engaging arrangement, the teeth of the engaging groove and the engaging head are engaged with each other, and the teeth of the rack (6) are engaged with the teeth of the gear (701).

5. An elevator for municipal sewer maintenance according to claim 2, wherein: the speed driving induction switch (801) is connected with a motor of the winch (8) and the motor (7) in series through wires, the micro switch (503) is connected with an extension switch of the hydraulic telescopic rod (501) in series through wires, and the connecting column (502) penetrates through the limiting groove (602).

6. A municipal sewer maintenance elevator according to claim 3, wherein: the damping layer is arranged on the inner wall of the movable groove (401) in a fitting mode, a spring is connected between the bottom of the movable column (402) and the inner wall of the bottom of the movable groove (401), a friction head is arranged at the bottom of the movable column (402), the friction head is in contact with the damping layer on the inner wall of the movable groove (401), and the top plate (403) is connected with the other end of the movable column (402).

7. A municipal sewer maintenance elevator according to claim 3, wherein: the protective layer (404) is made of rubber material (404).

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