CN217292165U - Clamping structure - Google Patents

Abstract

The utility model provides a clamping structure, belonging to the technical field of pipe penetrating machines, which comprises a supporting plate; the moving groove is formed in the upper end of the supporting plate; two fixed blocks, one of them fixed block pass through connecting block sliding connection in the shifting chute, and another fixed block fixed connection is in the upper end of backup pad, when needs are fixed inner tube and outer pillar, can locate the circumferential surface of two lid shells with it cover respectively, at this moment through clamping mechanism alright with fix inner tube and outer pillar to can realize different pipelines through clamping mechanism, and then improve the use variety of this device.

Description

Clamping structure

Technical Field

The utility model belongs to the technical field of the poling machine, concretely relates to clamping structure.

Background

In the production process of pipelines, an inner pipe needs to be inserted into an inner cavity of an outer protecting pipe, then a high-pressure foaming machine is used for injecting a polyurethane foaming material into a cavity between the inner pipe and the outer protecting pipe at one time, and a pipe penetrating machine is needed to perform the link of inserting the inner pipe into the outer protecting pipe.

When inserting the inner tube to outer protecting intraductal, need all fix inner tube and outer tube, then in pegging graft the outer intraductal with the inner tube, but current fixed mounting fixture can not adapt to all pipelines because the pipeline diameter size is the same.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping structure aims at solving the fixed mounting fixture in the current poling machine among the prior art because the pipeline diameter size is the same, can not adapt to the problem of all pipelines.

In order to achieve the above object, the utility model provides a following technical scheme:

a clamping structure comprising:

a support plate;

the moving groove is formed in the upper end of the supporting plate;

one of the two fixed blocks is connected in the moving groove in a sliding manner through a connecting block, and the other fixed block is fixedly connected to the upper end of the supporting plate; and

two sets of clamping mechanisms, every group clamping mechanism by the lid shell, draw the groove, draw the pole, install the piece, a plurality of expansion pole, a plurality of expansion ring and a plurality of clamping groove and constitute, draw the groove and set up in the one end of one of them fixed block, lid shell fixed connection is in the one end of one of them fixed block, and the circumference surface of lid shell is all set up in a plurality of centre gripping grooves, and is a plurality of expansion pole sliding connection is in a plurality of clamping inslot respectively, the installation piece articulates by the near-end mutually in a plurality of expansion poles through the hinge activity, draw the one end of pole fixed connection in the installation piece, it is a plurality of expansion ring difference fixed connection is in the one end of a plurality of expansion pole.

As a preferred scheme of the utility model, draw the one end fixedly connected with atress board of dragging the pole, one of them the one end fixedly connected with of fixed block returns a plurality of back spring, and is a plurality of it all with atress board fixed connection to return back spring.

As an optimal scheme of the utility model, one of them a plurality of telescopic links of one end fixedly connected with of fixed block, it is a plurality of return the circumference surface that a plurality of telescopic links were located to the spring cover respectively that contracts.

As a preferred scheme, the spacing groove has all been seted up to the both sides inner wall of shifting chute, the equal fixedly connected with stopper in both ends of connecting block, two the stopper is sliding connection respectively in two spacing inslots.

As a preferred scheme of the utility model, a plurality of supporting legs of lower extreme fixedly connected with of backup pad, it is a plurality of the equal fixedly connected with reinforcing plate in circumference surface of supporting leg.

As a preferred proposal, one end of the pulling rod is fixedly connected with a handle.

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

1. in this scheme, when needs are fixed inner tube and outer pillar, can locate the circumference surface of two lid shells with its cover respectively, at this moment through clamping mechanism alright fix inner tube and outer pillar to can realize different pipelines through clamping mechanism, and then improve the use variety of this device.

2. In this scheme, can support backup pad and each parts of its upper end through a plurality of supporting legs, can improve the support capacity of a plurality of backup pads through a plurality of reinforcing plates, and then improve the stability in use of this device.

3. In this scheme, when the fixed block passed through the connecting block and slided at the shifting chute, can drive two stoppers in step and slide in two spacing inslots to prevent that the connecting block from breaking away from the shifting chute, and then improve its sliding stability.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front perspective view of the present invention;

FIG. 2 is a first main sectional perspective view of the present invention;

FIG. 3 is a second main sectional perspective view of the present invention;

fig. 4 is a partial enlarged view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a support plate; 2. supporting legs; 3. a reinforcing plate; 4. a fixed block; 5. a moving groove; 6. a cover shell; 7. an expansion ring; 8. an expansion rod; 9. a limiting groove; 10. a limiting block; 11. A pulling groove; 12. a retraction spring; 13. a telescopic rod; 14. mounting blocks; 15. a grip; 16. A pulling rod; 17. a stress plate.

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. 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.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions:

a clamping structure comprising:

a support plate 1;

the moving groove 5 is formed in the upper end of the supporting plate 1;

one fixing block 4 is connected in the moving groove 5 in a sliding manner through a connecting block, and the other fixing block 4 is fixedly connected to the upper end of the supporting plate 1; and

two sets of clamping mechanisms, every group clamping mechanism is by the lid shell 6, draw groove 11, draw pole 16, installation piece 14, a plurality of expansion pole 8, a plurality of expansion ring 7 and a plurality of clamping groove are constituteed, draw groove 11 to set up in the one end of one of them fixed block 4, lid shell 6 fixed connection is in the one end of one of them fixed block 4, the circumferential surface of lid shell 6 is all set up in a plurality of centre gripping grooves, a plurality of expansion pole 8 are sliding connection respectively in a plurality of clamping grooves, installation piece 14 articulates in the near-end that leans on mutually of a plurality of expansion pole 8 through the hinge activity, draw the one end of pole 16 fixed connection in installation piece 14, a plurality of expansion ring 7 are fixed connection in the one end of a plurality of expansion pole 8 respectively.

In the embodiment of the present invention, when the inner tube and the outer sheath need to be fixed, they can be respectively sleeved on the circumferential surfaces of the two cover shells 6, at this time, the pulling rod 16 is pulled by pulling the pulling groove 11 to push right, at this time, the mounting block 14 will move right, and a plurality of expansion rods 8 hinged with it will be pushed straight outwards by a plurality of clamping grooves, and extrude the inner wall of the inner tube, and the inner tube is fixed by a plurality of expansion rings 7, and in actual use, two sets of clamping mechanisms can be provided, and the inner tube and the outer sheath are fixed at the near ends of the two fixing blocks 4, and then the inner tube slides in the moving groove 5 by the connecting block at the lower end of one of the fixing blocks 4, and the inner tube is inserted into the outer sheath to complete the tube threading step, and because the sliding distance of the expansion rod 8 is controllable, so that the tubes with different diameters can be fixed, the diversity of fixation is improved.

Specifically referring to fig. 2, one end of the pulling rod 16 is fixedly connected with a stress plate 17, one end of one of the fixing blocks 4 is fixedly connected with a plurality of retraction springs 12, and the plurality of retraction springs 12 are all fixedly connected with the stress plate 17.

In this embodiment: through the contractility of a plurality of retraction springs 12, can draw atress board 17 right side pulling and pull and draw pole 16, make its removal simpler, need not artificial propelling movement, and then improve the automatic use convenience that improves it of this device.

Referring to fig. 2, one end of one of the fixing blocks 4 is fixedly connected to a plurality of telescopic rods 13, and the plurality of retraction springs 12 are respectively sleeved on the circumferential surfaces of the plurality of telescopic rods 13.

In this embodiment: the plurality of telescopic rods 13 can prevent the retraction spring 12 from being elastically deformed during expansion and contraction, so that the service life of the retraction spring is prolonged.

Referring to fig. 3, the inner walls of the two sides of the moving groove 5 are both provided with a limiting groove 9, the two ends of the connecting block are both fixedly connected with limiting blocks 10, and the two limiting blocks 10 are respectively connected in the two limiting grooves 9 in a sliding manner.

In this embodiment: when the fixed block 4 slides in the moving groove 5 through the connecting block, the two limiting blocks 10 can be synchronously driven to slide in the two limiting grooves 9, so that the connecting block is prevented from being separated from the moving groove 5, and the sliding stability of the connecting block is improved.

Specifically, referring to fig. 4, a plurality of support legs 2 are fixedly connected to the lower end of the support plate 1, a reinforcing plate 3 is fixedly connected to the circumferential surface of each of the plurality of support legs 2, and a handle 15 is fixedly connected to one end of a pulling rod 16.

In this embodiment: the supporting plate 1 can be supported by the supporting legs 2, the supporting strength of the supporting plates 1 can be improved by the reinforcing plates 3, and the pulling rapidity of the pulling rod 16 can be improved by the grip 15.

The utility model discloses a theory of operation and use flow: when needs are fixed inner tube and outer pillar, can establish its circumference surface at two lid shells 6 respectively with it, at this moment through clamping mechanism with inner tube and outer pillar all fix the one end at two fixed blocks 4, then slide in the shifting chute 5 through the connecting block of one of them fixed block 4 lower extreme, and peg graft the inner tube and accomplish the poling step to outer pillar intraductal, and controllable during owing to expansion rod 8's sliding distance, so can fix the pipeline of different diameters, improve fixed variety.

Finally, it should be noted that: 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A clamping structure, comprising:

a support plate (1);

the moving groove (5) is formed in the upper end of the supporting plate (1);

the two fixing blocks (4), wherein one fixing block (4) is connected in the moving groove (5) in a sliding mode through a connecting block, and the other fixing block (4) is fixedly connected to the upper end of the supporting plate (1); and

two sets of clamping mechanisms, every group clamping mechanism by lid shell (6), draw and drag groove (11), draw pole (16), installation piece (14), a plurality of expansion pole (8), a plurality of expansion ring (7) and a plurality of clamping groove to constitute, draw the one end of locating one of them fixed block (4) groove (11), lid shell (6) fixed connection in the one end of one of them fixed block (4), the circumferential surface of lid shell (6) is all seted up in a plurality of centre gripping grooves, and is a plurality of expansion pole (8) sliding connection is in a plurality of clamping inslot respectively, installation piece (14) articulate in the near-end that leans on mutually of a plurality of expansion pole (8) through the hinge activity, draw the one end of pole (16) fixed connection in installation piece (14), and be a plurality of expansion ring (7) fixed connection is in the one end of a plurality of expansion pole (8) respectively.

2. A clamping structure as claimed in claim 1, wherein one end of the pulling rod (16) is fixedly connected with a stress plate (17), one end of one of the fixing blocks (4) is fixedly connected with a plurality of retraction springs (12), and the plurality of retraction springs (12) are fixedly connected with the stress plate (17).

3. The clamping structure according to claim 2, wherein one end of one of the fixing blocks (4) is fixedly connected with a plurality of telescopic rods (13), and the plurality of retraction springs (12) are respectively sleeved on the circumferential surfaces of the plurality of telescopic rods (13).

4. The clamping structure according to claim 3, wherein the inner walls of the two sides of the moving groove (5) are respectively provided with a limiting groove (9), the two ends of the connecting block are respectively fixedly connected with a limiting block (10), and the two limiting blocks (10) are respectively connected in the two limiting grooves (9) in a sliding manner.

5. A clamping structure as claimed in claim 4, characterized in that the lower end of the supporting plate (1) is fixedly connected with a plurality of supporting legs (2), and the circumferential surfaces of the supporting legs (2) are fixedly connected with reinforcing plates (3).

6. A clamping structure according to claim 5, characterized in that a handle (15) is fixedly connected to one end of the pulling rod (16).

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