CN220688211U - Roller for threading pipe - Google Patents

Abstract

The utility model relates to the technical field of municipal administration and water conservancy construction, in particular to a pipe penetrating roller which comprises a base, ear plates, limiting plates, a hollow outer shaft and a central shaft. When the pipe is penetrated in the construction pipe, the size and the arrangement distance can be adjusted according to the pipe size and the weight of the pipe to be penetrated, the rollers are symmetrically arranged in double rows, the rollers are tightly fixed on the inner pipe wall of the outer sleeve pipe by using the expansion bolts, the arrangement distance is 4 meters, and when the diameter of the inner pipe is increased, the smooth and easy penetration of the large-pipe-diameter pipe can be realized by increasing the corresponding size of the rollers or reducing the arrangement distance of the rollers.

Description

Roller for threading pipe

Technical Field

The utility model relates to the technical field of municipal administration and water conservancy construction, in particular to a pipe penetrating roller.

Background

When the construction pipeline passes through a railway or a highway or an urban arterial road, traffic is not affected often; according to the standard requirements, an outer sleeve larger than the actual construction pipeline is firstly required to be installed, the outer sleeve is usually a III-level reinforced concrete pipe, the outer sleeve is completed through a jacking pipe, then the pipeline is penetrated through by welding or other connecting modes, and when the diameter of the pipeline is large, the pipeline penetration is difficult to complete.

The presently known utility model patent publication CN203703359U discloses a roller tube penetrating device comprising: the device comprises a first support, a rolling shaft, a first clamping block, a movable pipeline, a structural beam, a support flat plate, a first support hole, a second support, a second clamping block and a second support hole; wherein: the two sides of the structural beam are fixedly connected with a first clamping block and a second clamping block, and are fixedly connected with the supporting flat plate; the first support and the second support are fixedly connected to the support flat plate; the roller is sleeved in the first supporting hole and the second supporting hole of the first support and the second support, and the movable pipeline is placed on the roller. The utility model has simple structure, easy manufacture and convenient operation, can be repeatedly used in different projects, better meets the quality, progress and safety requirements of the installation of the small and medium diameter pipelines (DN is less than or equal to 250) on the pipe gallery, realizes civilized construction and has good economic benefit.

It can be seen that at present, no structure for pipe penetrating work is available for pipes with larger diameters, at present, in this construction, a large number of balls, thicker iron rods or a relatively advanced tool like a flat car are usually used for realizing pipe penetrating, no way is used for pipe penetrating in a front-pull back-push mode, a winch, a digger, a loader, a jack and the like are generally adopted for front-pull back-push equipment, the penetrating distance in the above mode is relatively short, and the total weight of the pipe is relatively light. However, when the pipeline is long and the pipe diameter is large, the friction force is large, the pipeline is hard to pass through, and the large-diameter pipeline is high in penetrating cost and long in time.

Disclosure of Invention

In order to solve the problems, the utility model provides a pipe penetrating roller which has low use cost and is suitable for large-diameter pipe penetrating work.

In order to achieve the above object, the present utility model provides the following technical solution, which mainly includes:

the utility model provides a poling roller bearing, includes base, otic placode, spacing dish, hollow outer axle and center pin, fixedly connected with a pair of otic placode on the base, rotate between the otic placode and be connected with the center pin, center pin one end is equipped with spacing dish, spacing dish is located the otic placode outside, install hollow outer axle on the center pin, hollow outer axle is located between the otic placode.

Preferably, the base is provided with a plurality of through holes.

Preferably, a bearing and a gasket are arranged between the central shaft and the lug plate.

Preferably, the limiting disc is detachably connected with the central shaft.

Preferably, the pipe penetrating roller is arranged below the inner side of the outer pipe and is symmetrically distributed in the outer pipe.

Compared with the prior art, the utility model can adjust the size and the arrangement distance according to the pipeline size and the weight of the pipeline to be penetrated when the pipeline is penetrated in the construction pipeline, adopts double rows of rollers to be symmetrically arranged, tightly fixes the rollers on the inner pipe wall of the outer sleeve by using expansion bolts, and realizes smooth and easy penetration of the pipeline with large pipe diameter by increasing the corresponding size of the rollers or reducing the arrangement distance of the rollers when the diameter of the inner pipe is increased.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of an installation state of an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a usage state of an embodiment of the present utility model.

Fig. 3 is a schematic perspective view of a tube penetrating roller according to the present utility model.

Fig. 4 is a schematic perspective view of a tube penetrating roller according to the present utility model.

Reference numerals illustrate: the device comprises a 1-outer pipeline, a 2-pipe penetrating roller, a 201-base, a 202-through hole, a 203-lug plate, a 204-limiting disc, a 205-hollow outer shaft, a 206-central shaft and a 3-construction pipeline.

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.

Examples

A tube-passing roller, as shown in fig. 3-4, comprises two ear plates 203 (the upper 120-degree range is equal to the outer diameter of the bearing, the radius is 5 cm, the height is 20 cm, the lower side is 12 cm, the thickness is 1 cm), a central shaft 206 (the radius is about 1.49 cm), two bearings (the outer radius is about 5 cm, the inner radius is about 1.5 cm), a hollow outer shaft 205 (which is formed by processing a hollow steel bar with the outer radius of about 6 cm and the inner hollow radius of about 4 cm) with two bearings to be embedded, the length is 15 cm, the position which can be embedded with the bearings is required to be centered, the bearing is just positioned so that the outer edge is flush with the outer shaft after being embedded, the two gaskets (can just pass through the central shaft 206, the outer ring radius is equal to or slightly less than the inner radius of the outer ring of the bearing, the thickness is about 1 mm), and a steel plate base with four through holes 202 (the diameter is 14 mm) (the length is equal to or less than 20 cm). The roller assembly is as follows: center shaft 206, two bearings, outer axle are formed through mechanical inlay after lathe finish machining, the rolling element has been constituteed, two otic placodes 202 are formed through punching and base steel sheet welding, constitute the support body, in order to reduce the frictional force between roller bearing and the support body, need overlap the gasket that is not more than the bearing outer lane internal diameter in the both sides of center shaft 206, in order to not let center shaft 206 roll off the support body in the use, make the end of its one end be greater than otic placode 202 hole diameter 4 millimeters when processing center shaft 206, make it form into nail-like shape, one end forms through following otic placode 202 welding.

As shown in figures 1-2, when the pipe is penetrated in the construction pipe, the size and the arrangement distance can be adjusted according to the pipe size and the weight of the pipe to be penetrated, the size design is designed aiming at D2600 of the inner diameter of the pipe, DN2000 of the inner penetrating steel pipe, the double-row symmetrical arrangement of the pipe penetrating rollers 2 is adopted in the construction of the scheme, the rollers are tightly fixed on the inner pipe wall of the outer sleeve by expansion bolts, the arrangement distance is 4 meters, and when the diameter of the inner penetrating pipe is increased, the smooth and easy penetration of the large-pipe-diameter pipe can be realized by increasing the corresponding size of the pipe penetrating rollers 2 or reducing the arrangement distance of the pipe penetrating rollers 2.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. The utility model provides a poling roller bearing, its characterized in that, including base (201), otic placode (203), spacing dish (204), hollow outer axle (205) and center pin (206), fixedly connected with a pair of otic placode (203) on base (201), rotate between otic placode (203) and be connected with center pin (206), center pin (206) one end is equipped with spacing dish (204), spacing dish (204) are located otic placode (203) outside, install hollow outer axle (205) on center pin (206), hollow outer axle (205) are located between otic placode (203).

2. A tube-passing roller according to claim 1, characterized in that the base (201) is provided with a plurality of through holes (201).

3. A tube-penetrating roller according to claim 1, characterized in that bearings and gaskets are arranged between the central shaft (206) and the ear plates (203).

4. A tube passing roller according to claim 2, wherein the limit plate (204) is detachably connected to the central shaft (206).

5. A tube-passing roller according to any one of claims 1-4, characterized in that the tube-passing roller (2) is mounted under the inner side of the outer tube (1) and symmetrically distributed in the outer tube (1).