CN218562399U - Inspection shaft steel form device that stretches out and draws back - Google Patents

Abstract

The utility model discloses a flexible steel form device of inspection shaft, including external mold and centre form, external mold and centre form all set up to 0.8-1 cm's steel form, the first installation piece of equal fixedly connected with on external mold and the centre form, every all install spacing strip on the first installation piece, spacing strip passes through the bolt and is connected with first installation piece, be provided with flexible cross on the centre form and prop. The utility model discloses a mutually supporting of centre form and external mold, this device can be applicable to the round well of multiple size, and single manual can accomplish the operation of only flowing, has improved the turnover number of times of work efficiency and material greatly, and compares in traditional template, and the centre form and the external mold of this device are integrated design, and efficiency is higher, need not a slice dismantlement, also avoids causing the template to damage and leaks the thick liquid.

Description

Inspection shaft steel form device that stretches out and draws back

Technical Field

The utility model relates to a municipal works plumbing technical field especially relates to a flexible steel form device of inspection shaft.

Background

The inspection well is used for maintaining power supply, water drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, and is convenient to install. It is usually installed at the intersection of pipelines, turning, where the pipe diameter or slope changes, and at certain intervals on straight pipeline sections, and is convenient for regular inspection of the attached structures.

However, in the construction process of a cast-in-place circular inspection well, a very important step is to support a mold, the inspection well mold is divided into an inner mold and an outer mold, battens are often spliced to form a semicircular template, a plurality of line segments form a semicircle, the circular inspection well poured by the method is poor in molding quality, the turnover rate of the template is only about 3 times, wood is extremely wasted, gaps among the battens are large, slurry leakage is easy, in the prior art, the circular inspection well can only be suitable for a circular well of one size no matter whether the battens or customized steel templates are used, the manufacturing time is long, the number of material recycling times is small, and the molding quality of the poured template is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving following shortcoming among the prior art, in the mesh prior art method, no matter plank sheathing still customization steel form, all can only be applicable to the round shaft of a size, the preparation time is longer moreover, and material cyclic utilization number of times is few, and the template shaping quality of pouring is poor, and the flexible steel form device of inspection shaft who proposes.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a flexible steel form device of inspection shaft, includes external mold and centre form, external mold and centre form all set up to 0.8-1 cm's steel form, the first installation piece of equal fixedly connected with on external mold and the centre form, every all install spacing strip on the first installation piece, spacing strip passes through the bolt and is connected with first installation piece, be provided with flexible cross on the centre form and prop.

Preferably, be provided with adjustment mechanism on the flexible cross props, adjustment mechanism props fixed connection's montant including flexible cross, it is provided with two extrusion pieces, two to slide on the montant pass through spring coupling between the extrusion piece, every extrusion groove has all been seted up on the extrusion piece, it is provided with two depression bars, every to slide on the montant the depression bar all with the extrusion groove sliding connection that corresponds, sliding connection has the outer tube on the montant, a plurality of recesses have been seted up on the outer tube, every equal a plurality of lugs of fixedly connected with on the extrusion piece, every the lug is all with the extrusion groove joint that corresponds.

Preferably, the telescopic cross brace is provided with a pressing block in a sliding manner, each pressing rod is fixedly connected with the pressing block, and the pressing block is provided with anti-skidding lines.

Preferably, two limiting blocks are fixedly connected to the outer pipe, and the two limiting blocks are symmetrically arranged.

Preferably, the vertical rod is provided with sliding grooves, and each sliding groove is in sliding connection with the corresponding extrusion block.

Preferably, the outer tube is fixedly connected with a buffer base, and the buffer base is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

this device centre form and external mold are the steel form that thickness is 0.8-1cm, the pliability is good, can stretch out and draw back in certain limit, it is fixed with spacing strip one end, the other end is inserted downthehole with the bolt fastening, according to the diameter of inspection shaft design size adjustment centre form and external mold, through mutually supporting of centre form and external mold, this device can be applicable to the round well of multiple size, single manual can accomplish the end flow operation, the turnover number of times of work efficiency and material has been improved greatly, and compare in traditional template, the centre form and the external mold of this device are integrated design, high efficiency, it dismantles to need not a slice, also avoid causing the template to damage and leak the thick liquid.

Drawings

Fig. 1 is a schematic front structural view of a telescopic steel formwork device for an inspection well provided by the present invention;

fig. 2 is a schematic top view of a telescopic steel form device for an inspection well according to the present invention;

FIG. 3 is a schematic structural view of a cross brace and an outer tube in front view;

fig. 4 is a partially enlarged structural diagram of a in fig. 3.

In the figure: the device comprises an outer die 1, an inner die 2, a bolt 3, a limiting strip 4, a first mounting block 5, a telescopic cross support 6, a buffer base 7, an outer tube 8, a pressing block 9, a pressing rod 10, a vertical rod 11, an extruding block 12, a spring 13, a convex block 14 and a limiting block 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the present invention, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, but not for limiting the range of the present invention, and the relative relationship changes or adjustments without substantial technical changes should be regarded as the scope of the present invention.

Referring to fig. 1-4, an inspection well telescopic steel formwork device, including external mold 1 and internal mold 2, external mold 1 and internal mold 2 are all set to be 0.8-1 cm's steel formwork, equal fixedly connected with first installation block 5 on external mold 1 and internal mold 2, all install spacing strip 4 on every first installation block 5, spacing strip 4 is connected with first installation block 5 through bolt 3, be provided with flexible cross brace 6 on internal mold 2, be provided with adjustment mechanism on the flexible cross brace 6, adjustment mechanism includes flexible cross brace 6 on fixed connection's montant 11, it is provided with two extrusion blocks 12 to slide on montant 11, connect through spring 13 between two extrusion blocks 12, the extrusion groove has all been seted up on every extrusion block 12, it is provided with two depression bars 10 to slide on montant 11, every depression bar 10 all with corresponding extrusion groove sliding connection, sliding connection has outer tube 8 on montant 11, a plurality of recesses have been seted up on outer tube 8, equal fixedly connected with a plurality of lugs 14 on every extrusion block 12, every lug 14 all with corresponding extrusion groove joint.

The compression bar 10 moves vertically downwards, so that the lower end curved surface of the compression bar 10 contacts and extrudes the corresponding extrusion grooves on the extrusion blocks 12, the acting force of the compression bar 10 on the extrusion blocks 12 has a component force in the horizontal direction, so that the two extrusion blocks 12 do stable motion in the horizontal direction simultaneously, the two extrusion blocks 12 approach each other, the spring 13 deforms until the multiple bumps 14 on the two extrusion blocks 12 and the corresponding grooves are separated from clamping, the outer pipe 8 moves downwards under the action of gravity until the lower end of the outer pipe 8 contacts with the bottom of the well, the acting force applied on the compression bar 10 is removed, so that the compression bar 10 does not extrude the corresponding extrusion blocks 12 any more, under the action of the elastic force of the spring 13, the two extrusion blocks 12 are far away from each other until the multiple bumps 14 on the extrusion blocks 12 are clamped with the grooves at the corresponding positions, the outer pipe 8 is fixed, the displacement of the telescopic cross brace 6 in the vertical direction can be effectively limited, the telescopic cross brace 6 can be conveniently installed by a worker in the early stage and can be prevented from being separated from the later-stage construction process, and the working efficiency can be improved.

Slide on the flexible cross brace 6 and be provided with according to briquetting 9, every depression bar 10 all with according to briquetting 9 fixed connection, be provided with anti-skidding line on the briquetting 9, the setting according to briquetting 9, make the staff can be lighter laborsaving removal depression bar 10, anti-skidding line can increase the frictional force according to briquetting 9 and staff's hand, two stopper 15 of fixedly connected with on the outer tube 8, two stopper 15 are the symmetry setting, stopper 15's setting, can prevent that montant 11 and outer tube 8 from breaking away from, the spout has been seted up on the montant 11, every spout is equal and the extrusion block 12 sliding connection who corresponds, the setting of spout, the removal orbit of extrusion block 12 has been restricted, make extrusion block 12 do the steady motion on the horizontal direction, fixedly connected with buffer base 7 on the outer tube 8, buffer base 7 sets up to the rubber material, the setting of buffer base 7 of rubber material, can play certain cushioning effect when the outer tube 8 striking shaft bottoms, thereby prolong the life of this device.

The utility model discloses in, when needs use this device, earlier with centre form 2 according to the well installation back of round well size, prop 6 height that removes the support of being convenient for with flexible cross, exert the effort again on pressing the briquetting 9, press briquetting 9 motion to drive two depression bar 10 vertical downstream, make the lower extreme curved surface contact of depression bar 10 and extrude the extrusion groove on the extrusion piece 12 that corresponds, because depression bar 10 has the component force on the horizontal direction to the effort of extrusion piece 12, make two extrusion pieces 12 do the steady motion on the horizontal direction simultaneously, two extrusion pieces 12 are close to each other, spring 13 takes place deformation, a plurality of lugs 14 on two extrusion pieces 12 are simultaneously and the state that the recess that corresponds breaks away from the joint, outer tube 8 downstream under the action of gravity, lower extreme and the shaft bottom contact until outer tube 8, remove the effort of exerting on depression bar 10 again, make depression bar 10 no longer extrude the extrusion piece 12 that corresponds, under the spring action of elasticity of spring 13, two extrusion pieces 12 keep away from each other, until a plurality of lugs 14 on extrusion piece 12 and the recess that corresponds centre form position department, fix the joint with outer tube 8, thereby the effectual cross that restricts the bracing 6 on the effectual restriction, it is convenient cross bracing 2 to consolidate the installation personnel, it is to consolidate the flexible displacement.

After the telescopic cross brace 6 is installed, acting force is applied to the limiting strip 4 on the inner die 2, the inner die 2 is further fixed through a bolt 3, the outer die 1 is sleeved on the inner die 2, the bolt 3 and the limiting strip 4 are fixed in the same way, concrete is poured between the inner die 2 and the outer die 1, the inner die 2 and the outer die 1 of the device are steel templates with the thickness of 0.8-1cm, the flexibility is good, the inner die can be telescopic within a certain limit, one end of the limiting strip 4 is fixed, the other end of the limiting strip is inserted into a hole and fixed through the bolt 3, the diameters of the inner die 2 and the outer die 1 are adjusted according to the design size of an inspection well, the device can be suitable for round wells with various sizes, the flow stopping operation can be completed through manual operation of a single person, the working efficiency and the turnover number of materials are greatly improved, compared with the traditional templates, the inner die 2 and the outer die 1 of the device are designed in an integrated mode, the efficiency is higher, the device does not need to be disassembled one by one piece, and the phenomenon that slurry leakage caused by damage of the template is avoided.

In the present application, the terms "mounted," "connected," and "secured" are to be construed broadly unless otherwise specifically indicated and limited.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a flexible steel form device of inspection shaft, includes external mold (1) and centre form (2), its characterized in that, external mold (1) and centre form (2) all set up to 0.8-1 cm's steel form, equal first installation piece of fixedly connected with (5), every on external mold (1) and the centre form (2) all install spacing strip (4) on first installation piece (5), spacing strip (4) are connected through bolt (3) and first installation piece (5), be provided with flexible cross on centre form (2) and prop (6).

2. The telescopic steel formwork device for the inspection well is characterized in that an adjusting mechanism is arranged on the telescopic cross brace (6), the adjusting mechanism comprises a vertical rod (11) fixedly connected to the telescopic cross brace (6), two extrusion blocks (12) are arranged on the vertical rod (11) in a sliding mode, the two extrusion blocks (12) are connected through a spring (13), an extrusion groove is formed in each extrusion block (12), two compression rods (10) are arranged on the vertical rod (11) in a sliding mode, each compression rod (10) is connected with the corresponding extrusion groove in a sliding mode, an outer pipe (8) is connected onto the vertical rod (11) in a sliding mode, a plurality of grooves are formed in the outer pipe (8), a plurality of convex blocks (14) are fixedly connected onto each extrusion block (12), and each convex block (14) is connected with the corresponding extrusion groove in a clamping mode.

3. The telescopic steel formwork device for the inspection well is characterized in that the telescopic cross brace (6) is provided with a pressing block (9) in a sliding manner, each pressing rod (10) is fixedly connected with the pressing block (9), and the pressing block (9) is provided with anti-skidding threads.

4. The telescopic steel formwork device for the inspection well according to claim 2, wherein two limiting blocks (15) are fixedly connected to the outer pipe (8), and the two limiting blocks (15) are symmetrically arranged.

5. The telescopic steel formwork device for the inspection well as recited in claim 2, wherein the vertical rods (11) are provided with sliding grooves, and each sliding groove is slidably connected with the corresponding extrusion block (12).

6. The telescopic steel formwork device for the inspection well according to claim 2, wherein a buffer base (7) is fixedly connected to the outer pipe (8), and the buffer base (7) is made of rubber.

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