CN217630100U - Inspection well anti-falling device - Google Patents

Abstract

The utility model relates to a well head anti-falling auxiliary device, in particular to an inspection well anti-falling device, which solves the technical problems in the background technology, and comprises two protective main keels, a first fixing piece and a second fixing piece which are respectively positioned at the front end and the rear end of each protective main keel, a plurality of protective secondary keels are fixedly connected between the protective main keels, a movable handle is arranged between the front ends of the protective main keels, the movable handle is connected with the protective secondary keels through at least two springs, the two ends of the movable handle are bent forwards and extend forwards to form a bolt strip, a long hole along the length direction of the bolt strip is formed in the bolt strip, and a limit bolt fixed on the protective main keels is arranged in the long hole of the bolt strip; the front end of the protection main keel is fixedly connected with a C-shaped clamp, and the C-shaped clamp can be clamped on the convex block of the first fixing piece. The utility model is suitable for various inspection wells of urban roads, squares and districts; reduce pedestrian, vehicle eminence risk of falling, promote city image, guarantee personnel life safety.

Description

Inspection well anti-falling device

Technical Field

The utility model relates to a well head auxiliary device that prevents falling specifically is an inspection shaft anti-falling device.

Background

The road in city, square, district, various pipe network inspection shafts are many, and the inspection shaft is about four to five meters deep, so well head department needs set up the well lid through the well seat, if touch the well lid and open, or when the well lid loses, rainy road surface ponding, the people has probably fallen into, constitutes the threat to people's life safety. The traditional method is that six to eight hook head expansion screws are drilled on a well head, and then the anti-falling net is connected with an openable metal ring. The defects of the method are that (1) the expansion bolt of the hook head is unreliable in fixation, is easy to loosen and fall off after a long time and only can play a role in temporary fixation; (2) The protective net is not durable, the longest time is 4 years, the protective net needs to be replaced frequently, manpower and materials are wasted, and potential safety hazards are easily caused when the protective net is not replaced for a long time. (3) The protective net is light, and the rainwater jacks the well lid when the rainwater suddenly encounters too much water drainage, so that the protective net floats and falls off, and pedestrians and vehicles fall into the well to cause huge damage.

Therefore, it is necessary to develop a falling prevention device for inspection wells, which is convenient to process, firm to fix and convenient to open and close, and solves the dangerous states of low safety, short durability and inconvenient use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problems of unreliable structure, easy falling off and low safety of the existing wellhead anti-falling device, and provides an inspection well anti-falling device.

The utility model provides a technical means that its technical problem adopted is: an inspection well anti-falling device comprises two protection main keels positioned on the inner side of a well seat, and a first fixing piece and a second fixing piece which are respectively positioned at the front end and the rear end of each protection main keel and fixedly connected with the inner wall of the well seat, wherein bulges are respectively arranged on the upper end surface and the lower end surface of each second fixing piece, the rear ends of the protection main keels are fixed ends, the fixed ends are hinged with a clamping plate assembly which enables the protection main keels to turn up and down, the clamping plate assembly comprises an upper clamping piece and a lower clamping piece, through holes which avoid the bulges on the upper end surface and the lower end surface of each second fixing piece are respectively arranged on the upper clamping piece and the lower clamping piece, the through holes of the upper clamping piece and the lower clamping piece are correspondingly clamped with the bulges and then fixedly connected through fastening bolts, a plurality of protection secondary keels vertical to the protection main keels are fixedly connected between the two protection main keels, the front ends of the two protection main keels are movable ends, a movable handle parallel to the protection secondary keel is arranged between the movable handle, the length of the movable handle is equal to the protection secondary keel, the movable handle is connected with the nearest protection secondary keel through at least two springs, the two ends of the movable handle are bent forwards and extend to form a bolt strip, the bolt is arranged in the bolt through the bolt, and the bolt is fixed in the bolt in the limiting bolt hole on the bolt; when the spring is in a normal length, the bolt strip extends forwards and is clamped at the lower end of the first fixing plate, and when the spring is compressed, the movable handle moves backwards to drive the bolt strip to retreat and draw out from the lower end of the first fixing plate; the upper end of the first fixing plate is provided with a convex block, the front end of the protection main keel is fixedly connected with a C-shaped fixture, and when the protection main keel is laid flat, the C-shaped fixture can be clamped on the convex block of the first fixing plate.

The protection main keel and the protection secondary keel form a frame structure, the protection main keel and the protection secondary keel are erected in a well seat through a first fixing piece and a second fixing piece, the fixed end of the protection main keel is hinged with the second fixing piece through a clamping plate assembly, the protection main keel can be turned over up and down, when the protection main keel is turned over to be horizontal, a C-shaped clamp at the front end of the protection main keel can be clamped to a lug, the protection main keel is prevented from being turned over to be below the well seat in a transition mode, the moving handle at the moving end of the protection main keel can control the advancing and retreating of a bolt strip, the protection main keel is clamped to be below the first fixing piece, the moving end of the protection main keel can be firmly clamped on the first fixing piece through the C-shaped clamp and the bolt strip, the device cannot be washed away by water and also drops into the well, the protection effect is good, when the well cover is opened for construction, the moving handle with a spring is pulled outwards, the moving handle moves backwards to drive the bolt strip to retreat, the first fixing piece is not blocked, the device can be rotated upwards by 90 degrees, and the device can stand up and construction is convenient.

Preferably, the outside of two protection main joist all is connected with the side protection strip, and the side protection strip is parallel with the protection main joist, and the both ends of side protection strip extend to the linking arm that buckles and be close to the protection main joist, and the side protection strip passes through linking arm and protection main joist fixed connection. The side protection strip and the protection main joist are separated by a certain distance, and the side protection strip and the protection main joist are positioned on the same horizontal plane, so that the protection area can be widened, and pedestrians or large-size objects are prevented from falling from two sides of the device in the inspection well.

Preferably, the protection main joist is the bar shaped plate, and the protection secondary joist is the cavity pole, wears to put among the protection secondary joist to have the screw thread pull rod, and the cooperation has fastening nut after the both ends of screw thread pull rod pass protection main joist respectively. It is rational to set up like this, and protection main joist and protection secondary joist firm in connection.

Preferably, the number of the springs is two. The arrangement structure is reasonable.

Preferably, the first fixing plate and the second fixing plate are integrally formed with the inner wall of the well seat, and the protrusion is integrally formed with the first fixing plate or the second fixing plate. The arrangement is firm.

Preferably, the protection main keel, the protection secondary keel, the movable handle and the side protection strip are all made of aluminum alloy. The aluminum alloy material is lighter, the cost is lower, the rust is not easy to occur, and the strength also meets the requirement.

Preferably, the fastening bolt, the limiting bolt, the threaded pull rod and the fastening nut are all plated with antirust zinc layers. This is to prevent rust from causing structural damage, and so is to delay the useful life of the device.

The utility model has the advantages that: the inspection well is novel and unique, has a relatively simple structure, is low in cost, is quick to install and adjust, has good stability, can be repeatedly used, has the service life of more than 25 years, avoids repeated maintenance, and is suitable for various inspection wells of urban roads, squares and communities; reduce pedestrian, vehicle eminence risk of falling, promote city image, guarantee personnel life safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a conventional manhole cover when the manhole cover is closed.

Fig. 2 is a schematic structural diagram of the inspection well anti-falling device installed in the well seat (an inspection well anti-falling device is located at a horizontal position).

Fig. 3 is a schematic structural diagram of an inspection well anti-falling device installed in a well seat (an inspection well anti-falling device is located at a vertical position).

Fig. 4 is a schematic structural view of the anti-falling device for inspection well of the present invention.

Fig. 5 is an enlarged schematic structural view of the second fixing plate of the present invention.

Fig. 6 is an enlarged schematic structural view of the first fixing plate of the present invention.

In the figure: 1. protecting the main keel; 2. a first fixing sheet; 3. a second fixing piece; 4. a protrusion; 5. a cleat assembly; 6. fastening a bolt; 7. protecting the secondary keel; 8. a movable handle; 9. a spring; 10. a latch bar; 11. a long round hole; 13. a C-shaped clamp; 14. a side guard bar; 15. and (5) tightening the nut.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

An inspection well anti-falling device comprises two protection main keels 1 positioned on the inner side of a well seat, and a first fixing piece 2 and a second fixing piece 3 which are respectively positioned at the front end and the rear end of each protection main keel 1 and fixedly connected with the inner wall of the well seat, wherein the upper end face and the lower end face of each second fixing piece 3 are respectively provided with a protrusion 4, the rear ends of the protection main keels 1 are fixed ends, the fixed ends are hinged with a clamping plate assembly 5 which enables the protection main keels 1 to turn up and down, each clamping plate assembly 5 comprises an upper clamping piece and a lower clamping piece, the upper clamping piece and the lower clamping piece are respectively provided with through holes for avoiding the protrusions 4 on the upper end face and the lower end face of each second fixing piece 3, the through holes of the upper clamping pieces and the lower clamping pieces are correspondingly clamped with the protrusions 4 and then fixedly connected through fastening bolts 6, a plurality of protection secondary keels 7 vertical to the protection main keels 1 are fixedly connected between the two protection main keels 1, the front ends of the two protection main keels 1 are movable ends, a movable handle 8 parallel to the protection secondary keels 7 is arranged between the front ends of the two protection main keels 1, the movable handle 8 is connected with a protection bolt 10 of the protection secondary keel, and at least a protection bolt 10 which is connected with a front bolt 10 which is arranged in the protection main keel and extends along the direction, and is connected with the protection bolt 10 of the protection main keel, and the protection bolt 10; when the spring 9 is in a normal length, the bolt strip 10 extends forwards and is clamped at the lower end of the first fixing plate 2, and when the spring 9 is compressed, the movable handle 8 moves backwards to drive the bolt strip 10 to retreat and draw out from the lower end of the first fixing plate 2; the upper end of the first fixing piece 2 is provided with a convex block, the front end of the protection main keel 1 is fixedly connected with a C-shaped clamping apparatus 13, and when the protection main keel 1 is laid flat, the C-shaped clamping apparatus 13 can be clamped on the convex block of the first fixing piece 2.

The protection main joist 1 and the protection secondary joist 7 form a frame structure, the protection main joist 1 and the protection secondary joist 7 are erected in a well seat through a first fixing sheet 2 and a second fixing sheet 3, the fixed end of the protection main joist 1 is hinged with the second fixing sheet 3 through a clamping plate assembly 5, so the protection main joist 1 can be turned over up and down, when the protection main joist 1 is turned over to the horizontal level, a C-shaped clamp 13 at the front end of the protection main joist 1 can be clamped to a lug, the protection main joist 1 is prevented from being turned over below the well seat in a transition mode, the movable handle 8 at the movable end of the protection main joist 1 can control the advance and retreat of a bolt strip 10, the movable handle 8 is clamped below the first fixing sheet 2, the protection main joist 1 is prevented from tilting, the movable handle 8 with a spring 9 is pulled outwards through the C-shaped clamp 13 and the bolt strip 10, the movable end of the protection main joist 1 can be firmly clamped on the first fixing sheet 2, the movable handle can not be flushed by water, the movable handle can also fall into the well, the well is good in protection effect, when the well lid is opened, the well lid is constructed, the movable handle 8 with the plug strip 10, the well lid can be conveniently erected, the well lid can be conveniently.

Further, as a specific embodiment of inspection shaft anti-falling device, two protection main joist 1's the outside all is connected with side protection strip 14, side protection strip 14 is parallel with protection main joist 1, the both ends of side protection strip 14 extend to the linking arm of buckling and being close to protection main joist 1, side protection strip 14 passes through linking arm and 1 fixed connection of protection main joist. The side protection strip 14 and the protection main joist 1 are separated by a certain distance, and the side protection strip 14 and the protection main joist 1 are positioned on the same horizontal plane, so that the protection area can be widened, and pedestrians or large-size objects are prevented from falling in the inspection well from the two sides of the device.

Further, as a specific implementation mode of inspection shaft anti-falling device, protection main joist 1 is the bar shaped plate, protection secondary joist 7 is the cavity pole, wears to put threaded pull rod in the protection secondary joist 7, the both ends of threaded pull rod are passed respectively and are protected 1 back cooperations of main joist and have fastening nut 15. It is rational to set up structure like this, and protects main joist 1 and protection secondary joist 7 firm in connection.

Furthermore, as a specific implementation manner of the inspection well anti-falling device of the present invention, the number of the springs 9 is two. The arrangement structure is reasonable.

Further, as a specific implementation of an inspection shaft anti-falling device, first stationary blade 2 and second stationary blade 3 all with well seat inner wall integrated into one piece, and protruding 4 and first stationary blade 2 or second stationary blade 3 are integrated into one piece. The arrangement is firm.

Furthermore, as a concrete implementation mode of the inspection well anti-falling device of the utility model, the protection main keel 1, the protection secondary keel 7, the movable handle 8 and the side protection strip 14 are made of aluminum alloy. The aluminum alloy material is lighter, the cost is lower, the rust is not easy to occur, and the strength also meets the requirement.

Further, as a specific implementation of inspection shaft anti-falling device, all plated rust-resistant zinc layer on fastening bolt 6, spacing bolt, screw pull rod and fastening nut 15. This is to prevent rust from causing structural damage, and so is to delay the useful life of the device.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (7)

1. An inspection well anti-falling device is characterized by comprising two protection main keels (1) positioned on the inner side of a well seat and a first fixing piece (2) and a second fixing piece (3) which are respectively positioned at the front end and the rear end of each protection main keel (1) and fixedly connected with the inner wall of the well seat, wherein the upper end face and the lower end face of each second fixing piece (3) are both provided with a bulge (4), the rear end of each protection main keel (1) is a fixed end, the fixed ends are hinged with a clamping plate assembly (5) which enables the protection main keels (1) to overturn up and down, each clamping plate assembly (5) comprises an upper clamping piece and a lower clamping piece, through holes of the upper clamping piece and the lower clamping piece are respectively provided with bulges (4) avoiding the upper end face and the lower end face of each second fixing piece (3), the through holes of the upper clamping piece and the lower clamping piece are fixedly connected with the bulges (4) through fastening bolts (6) after being correspondingly clamped, a plurality of protection secondary keels (7) vertical to the protection main keels (1) are fixedly connected between the two protection main keels (1), the front ends of the two protection main keels (1) are provided with movable keels (7), the movable keels (8) are bent forwards, and the length of the movable keels (8) is equal to the handles (8) which are connected with at least one another movable keels (8) at least through a bolt (8), a long round hole (11) is formed in the bolt strip (10) along the length direction of the bolt strip, and a limiting bolt fixed on the protective main keel (1) penetrates through the long round hole (11) of the bolt strip (10); when the spring (9) is in a normal length, the bolt strip (10) extends forwards and is clamped at the lower end of the first fixing plate (2), and when the spring (9) is compressed, the movable handle (8) moves backwards to drive the bolt strip (10) to retreat and draw out from the lower end of the first fixing plate (2); the upper end face of the first fixing piece (2) is provided with a convex block, the front end of the protection main keel (1) is fixedly connected with a C-shaped fixture (13), and when the protection main keel (1) is laid flat, the C-shaped fixture (13) can be clamped on the convex block of the first fixing piece (2).

2. The inspection well anti-falling device is characterized in that the outer sides of the two protection main keels (1) are respectively connected with a side protection strip (14), the side protection strips (14) are parallel to the protection main keels (1), two ends of each side protection strip (14) extend to connecting arms which are bent towards and close to the protection main keels (1), and the side protection strips (14) are fixedly connected with the protection main keels (1) through the connecting arms.

3. The inspection well anti-falling device according to claim 2, characterized in that the main protection keel (1) is a strip plate, the sub protection keel (7) is a hollow rod, a threaded pull rod is arranged in the sub protection keel (7), and two ends of the threaded pull rod are respectively matched with the fastening nuts (15) after passing through the main protection keel (1).

4. A manhole fall arrest device according to any one of claims 1 to 3, wherein the number of springs (9) is two.

5. An inspection shaft fall arrest device according to claim 4, characterised in that the first (2) and second (3) stators are integrally formed with the inner wall of the well base and the protrusion (4) is integrally formed with the first (2) or second (3) stator.

6. An inspection shaft fall-prevention device according to claim 5, characterized in that the main protection keel (1), the secondary protection keel (7), the movable handle (8) and the side protection bars (14) are made of aluminum alloy.

7. The inspection well anti-falling device according to claim 6, characterized in that the fastening bolt (6), the limiting bolt, the threaded pull rod and the fastening nut (15) are coated with antirust zinc layers.

Images