Prestressed metal corrugated pipe positioning device fixed from inside

By designing an internal positioning and clamping corrugated positioning device, the problems of external fixation in the prior art and waste of resources are solved, and the effects of high accuracy, easy construction and resource conservation are achieved.

CN222791802UActive Publication Date: 2025-04-25ZHENGZHOU UNIV +1
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Patent Information

Application Number
CN202421732360.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-04-25
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

The existing corrugated pipe positioning methods are mainly fixed from the outside, which leads to inconvenience in construction and consumes a large amount of stirrups.

Method used

A prestressed metal bellows positioning device fixed from the inside is designed, including an adjustment assembly and a clamping assembly, which can be positioned and clamped from the inside through structures such as lead screws, sliders and support rods.

Benefits of technology

The device can improve positioning accuracy, simplify the construction process, reduce dependence on external fixed materials, and can be removed and reused after grouting, saving resources and reducing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a prestressed metal corrugated pipe positioning device fixed from the inside, and relates to the technical field of corrugated pipe machining. Comprising an adjusting assembly, the adjusting assembly comprises a lead screw detachably connected into a corrugated pipe body, the lead screw is in threaded connection with a first sliding block, the outer wall of the first sliding block is fixedly connected with a plurality of supporting rods, the supporting rods are located above the end of the corrugated pipe body, the supporting rods are slidably connected with a clamping assembly, and the clamping assembly is arranged in the corrugated pipe body; the clamping assembly comprises a positioning part arranged on the supporting rod in a sleeving mode, and the bottom of the positioning part is fixedly connected with a clamping part. By adjusting the position of the first sliding block on the lead screw, the first sliding block can drive the multiple supporting rods to abut against the end of the corrugated pipe body; and meanwhile, the positioning part moves along the supporting rod, so that the positioning part can drive the clamping part to move, and the clamping part clamps the corrugated pipe body.
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Description

Technical Field

[0001] The utility model relates to the technical field of processing bellows, in particular to a prestressed metal bellows positioning device fixed from the inside. Background Art

[0002] Metal bellows refers to a metal tube made of galvanized or non-galvanized low-carbon steel strips with spiral folded seams and used for pre-stressed holes in post-tensioned prestressed concrete structural components. It is widely used in automatic control and measuring instruments, vacuum technology, machinery industry, electric power industry, transportation and atomic energy industry. However, the existing bellows positioning method is generally fixed by welding with steel bars, and the existing positioning devices are all fixed from the outside, which is not easy to construct; therefore, there is an urgent need for a prestressed metal bellows positioning device that is fixed from the inside and can effectively position from the inside of the metal bellows. Utility Model Content

[0003] The utility model aims to provide a prestressed metal bellows positioning device fixed from the inside to solve the problems existing in the above-mentioned prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following solutions: The utility model provides a prestressed metal bellows positioning device fixed from the inside, comprising an adjustment assembly, the adjustment assembly comprising a lead screw detachably connected to the bellows body, the lead screw being threadedly connected to a first slider, a plurality of support rods being fixedly connected to the outer wall of the first slider, the support rods being located above the ends of the bellows body, a clamping assembly being slidably connected to the support rods, and the clamping assembly being arranged in the bellows body;

[0005] The clamping assembly comprises a positioning portion sleeved on the support rod, and a clamping portion is fixedly connected to the bottom of the positioning portion.

[0006] Preferably, the first sliding block is in a circular ring shape.

[0007] Preferably, a plurality of the support rods are arranged on the first sliding block at equal intervals.

[0008] Preferably, the positioning portion includes a second slider, the second slider is sleeved on the support rod and slidably connected to the support rod, the two sides of the second slider are respectively fixedly connected with a first connecting rod, the end of the first connecting rod away from the second slider is fixedly connected with a first nut, the first nut is threadedly connected with a first threaded rod, the first threaded rod is slidably connected with a positioning hole at one end toward the second slider, and the positioning hole is opened on the second slider.

[0009] Preferably, one end of the first threaded rod extending into the positioning hole is fixedly connected to a first positioning block, the first positioning block is detachably connected to the support rod, and one end of the first threaded rod away from the first positioning block is fixedly connected to two first handles, and the two first handles are symmetrically arranged.

[0010] Preferably, the clamping portion includes a second connecting rod, the middle portion of the top surface of the second connecting rod is fixedly connected to the middle portion of the bottom surface of the second sliding block, one end of the second connecting rod is fixedly connected to a baffle, the end of the second connecting rod away from the baffle is fixedly connected to a second nut, the second nut is threadedly connected to a second threaded rod, the end of the second threaded rod facing the baffle is fixedly connected to a second positioning block, and the end of the second threaded rod away from the second positioning block is fixedly connected to two second handles.

[0011] Preferably, one end of the second positioning block facing the baffle is detachably connected to the inner wall of the bellows body.

[0012] Preferably, one end of the baffle facing the second positioning block is detachably connected to the outer wall of the corrugated tube body.

[0013] Preferably, a gasket is fixedly connected to one side of the second positioning block opposite to the baffle.

[0014] Preferably, the two second handles are symmetrically arranged.

[0015] The utility model discloses the following technical effects:

[0016] The utility model can adjust the position of the first slider on the lead screw so that the first slider drives a plurality of support rods to abut against the end of the bellows body; at the same time, the positioning part moves along the support rod, so that the positioning part can drive the clamping part to move, so that the clamping part clamps the bellows body; the utility model can position from the inside of the bellows body, which not only effectively improves the positioning accuracy, but also facilitates construction, and does not consume too many stirrups to fix the bellows body from the outside, and can be dismantled and reused after grouting, which effectively saves a lot of resources and reduces construction costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1This is a schematic diagram of the structure of the adjustment component of the utility model installed in the bellows body;

[0019] Figure 2 This is a schematic diagram of the structure of the first slider of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0021] Figure 4 This is a schematic diagram of the positioning part structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the clamping part of the utility model;

[0023] Among them, 1. bellows body; 2. lead screw; 3. support rod; 4. first slider; 5. second slider; 6. first connecting rod; 7. first nut; 8. first threaded rod; 9. first handle; 10. first positioning block; 11. positioning hole; 12. second connecting rod; 13. second nut; 14. second threaded rod; 15. second handle; 16. second positioning block; 17. baffle; 18. gasket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Reference Figure 1-Figure 5 The utility model discloses a positioning device for a prestressed metal bellows fixed from the inside, comprising an adjusting assembly, the adjusting assembly comprising a lead screw 2 detachably connected to a bellows body 1, the lead screw 2 being threadedly connected to a first slider 4, a plurality of support rods 3 being fixedly connected to the outer wall of the first slider 4, the support rods 3 being located above the end of the bellows body 1, a clamping assembly being slidably connected to the support rods 3, and the clamping assembly being arranged in the bellows body 1;

[0027] The clamping assembly includes a positioning portion sleeved on the support rod 3, and a clamping portion is fixedly connected to the bottom of the positioning portion.

[0028] The utility model can adjust the position of the first slider 4 on the screw 2, so that the first slider 4 can drive a plurality of support rods 3 to abut against the end of the corrugated pipe body 1; at the same time, the positioning part moves along the support rod 3, so that the positioning part can drive the clamping part to move, so that the clamping part clamps the corrugated pipe body 1; the utility model can position from the inside of the corrugated pipe body 1, which not only effectively improves the positioning accuracy, but also facilitates construction, and does not consume too many stirrups to fix the corrugated pipe body 1 from the outside. It can be removed after grouting and reused, which effectively saves a lot of resources and reduces construction costs.

[0029] In order to make the screw 2 be on the same central axis as the central axis of the bellows body 1, the support rod 3 is engraved with scales, through which the distance between each positioning portion and the screw 2 can be made the same, effectively improving the accuracy of positioning the bellows body 1.

[0030] According to a further optimized solution, the first sliding block 4 is in a circular ring shape.

[0031] According to a further optimized solution, a plurality of support rods 3 are arranged on the first sliding block 4 at equal intervals.

[0032] Because the first sliding block 4 is in a circular shape, a plurality of support rods 3 can be fixedly connected to the first sliding block 4 at equal intervals.

[0033] A further optimized solution is that the positioning part includes a second slider 5, the second slider 5 is sleeved on the support rod 3 and is slidably connected to the support rod 3, the two sides of the second slider 5 are respectively fixedly connected with the first connecting rod 6, the end of the first connecting rod 6 away from the second slider 5 is fixedly connected with the first nut 7, the first nut 7 is threadedly connected with the first threaded rod 8, the first threaded rod 8 is slidably connected with a positioning hole 11 at one end toward the second slider 5, and the positioning hole 11 is opened on the second slider 5.

[0034] According to a further optimization scheme, one end of the first threaded rod 8 extending into the positioning hole 11 is fixedly connected to the first positioning block 10, the first positioning block 10 is detachably connected to the support rod 3, and one end of the first threaded rod 8 away from the first positioning block 10 is fixedly connected to two first handles 9, and the two first handles 9 are symmetrically arranged.

[0035] The first handle 9 drives the first threaded rod 8 to rotate in the first nut 7 , so that the first threaded rod 8 can stably drive the first positioning block 10 to pass through the positioning hole 11 , so that the first positioning block 10 abuts against or separates from the support rod 3 .

[0036] A further optimized solution is that the clamping part includes a second connecting rod 12, the middle part of the top surface of the second connecting rod 12 is fixedly connected to the middle part of the bottom surface of the second sliding block 5, one end of the second connecting rod 12 is fixedly connected to a baffle 17, the end of the second connecting rod 12 away from the baffle 17 is fixedly connected to a second nut 13, the second nut 13 is threadedly connected to a second threaded rod 14, the end of the second threaded rod 14 facing the baffle 17 is fixedly connected to a second positioning block 16, and the end of the second threaded rod 14 away from the second positioning block 16 is fixedly connected to two second handles 15.

[0037] According to a further optimized solution, one end of the second positioning block 16 facing the baffle 17 is detachably connected to the inner wall of the bellows body 1 .

[0038] According to a further optimized solution, one end of the baffle 17 facing the second positioning block 16 is detachably connected to the outer wall of the bellows body 1 .

[0039] According to a further optimization scheme, a gasket 18 is fixedly connected to one side of the second positioning block 16 opposite to the baffle 17. The gasket 18 can prevent the corrugated pipe body 1 from being damaged by clamping.

[0040] According to a further optimized solution, the two second handles 15 are symmetrically arranged.

[0041] The second handle 15 drives the second threaded rod 14 to rotate in the second nut 13 , so that the second threaded rod 14 can stably drive the second positioning block 16 to move, so that the second positioning block 16 can move closer to or farther from the baffle 17 .

[0042] Working process: first put the lead screw 2 into the bellows body 1, and drive the first slider 4 to move along the lead screw 2 through the support rod 3, so that the support rod 3 drives the clamping assembly to approach the end of the bellows body 1. When the support rod 3 is about to abut against the end of the bellows body 1, turn the second handle 15 to make the second positioning block 16 away from the baffle 17, and then make the end of the bellows body 1 below the second positioning block 16 and the baffle 17, and then continue to rotate the support rod 3. When the end of the bellows body 1 is between the second positioning block 16 and the baffle 17, turn the second handle 15 to move the second positioning block 16 toward the baffle 17, so that the second The positioning block 16 abuts against the inner wall of the bellows body 1, and at the same time, the baffle 17 abuts against the outer wall of the bellows body 1. Through a plurality of clamping parts arranged at equal intervals, the bellows body 1 can be effectively clamped. Then, according to the radius of the bellows body 1 and the scale on the support rod 3, the position of the second slider 5 can be determined. By turning the first handle 9, the first positioning block 10 abuts against the outer wall of the support rod 3. The position of the second slider 5 can be fixed by the two opposite first positioning blocks 10, so that the central axis of the screw 2 and the central axis of the bellows body 1 are on the same central axis, so that the positioning of the bellows body 1 is accurate.

[0043] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A prestressed metal bellows positioning device fixed from the inside, characterized in that: The invention comprises an adjusting assembly, wherein the adjusting assembly comprises a lead screw (2) detachably connected to a bellows body (1), the lead screw (2) being threadably connected to a first slider (4), a plurality of support rods (3) being fixedly connected to the outer wall of the first slider (4), the support rods (3) being located above the ends of the bellows body (1), a clamping assembly being slidably connected to the support rods (3), and the clamping assembly being arranged in the bellows body (1); The clamping assembly comprises a positioning portion sleeved on the support rod (3), and a clamping portion is fixedly connected to the bottom of the positioning portion.

2. The internally fixed prestressed metal bellows positioning device according to claim 1, characterized in that: The first sliding block (4) is in the shape of a ring.

3. The internally fixed prestressed metal bellows positioning device according to claim 1, characterized in that: A plurality of the support rods (3) are arranged at equal intervals on the first sliding block (4).

4. The internally fixed prestressed metal bellows positioning device according to claim 1, characterized in that: The positioning portion comprises a second slider (5), the second slider (5) is sleeved on the support rod (3) and slidably connected to the support rod (3), the two sides of the second slider (5) are respectively fixedly connected with first connecting rods (6), one end of the first connecting rod (6) away from the second slider (5) is fixedly connected with a first nut (7), the first nut (7) is threadedly connected with a first threaded rod (8), and the first threaded rod (8) is slidably connected with a positioning hole (11) at one end facing the second slider (5), and the positioning hole (11) is opened on the second slider (5).

5. The internally fixed prestressed metal bellows positioning device according to claim 4, characterized in that: One end of the first threaded rod (8) extending into the positioning hole (11) is fixedly connected to a first positioning block (10), the first positioning block (10) is detachably connected to the support rod (3), and one end of the first threaded rod (8) away from the first positioning block (10) is fixedly connected to two first handles (9), and the two first handles (9) are symmetrically arranged.

6. The internally fixed prestressed metal bellows positioning device according to claim 4, characterized in that: The clamping portion comprises a second connecting rod (12), the middle portion of the top surface of the second connecting rod (12) is fixedly connected to the middle portion of the bottom surface of the second sliding block (5), one end of the second connecting rod (12) is fixedly connected to a baffle (17), one end of the second connecting rod (12) away from the baffle (17) is fixedly connected to a second nut (13), the second nut (13) is threadedly connected to a second threaded rod (14), one end of the second threaded rod (14) facing the baffle (17) is fixedly connected to a second positioning block (16), and one end of the second threaded rod (14) away from the second positioning block (16) is fixedly connected to two second handles (15).

7. The internally fixed prestressed metal bellows positioning device according to claim 6, characterized in that: One end of the second positioning block (16) facing the baffle (17) is detachably connected to the inner wall of the bellows body (1).

8. The internally fixed prestressed metal bellows positioning device according to claim 6, characterized in that: One end of the baffle (17) facing the second positioning block (16) is detachably connected to the outer wall of the bellows body (1).

9. The internally fixed prestressed metal bellows positioning device according to claim 6, characterized in that: A gasket (18) is fixedly connected to one side of the second positioning block (16) opposite to the baffle (17).

10. The internally fixed prestressed metal bellows positioning device according to claim 6, characterized in that: The two second handles (15) are symmetrically arranged.