CN211875426U - Annular pressing device for adhering and repairing inner wall of pipeline - Google Patents
Annular pressing device for adhering and repairing inner wall of pipeline Download PDFInfo
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- CN211875426U CN211875426U CN201922152467.9U CN201922152467U CN211875426U CN 211875426 U CN211875426 U CN 211875426U CN 201922152467 U CN201922152467 U CN 201922152467U CN 211875426 U CN211875426 U CN 211875426U
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Abstract
A ring pressing device for bonding and repairing the inner wall of a pipeline comprises a support inner ring, adjusting screws and an arc-shaped support plate, wherein the support inner ring is coaxially arranged in the middle of the repairing section of the inner wall of the pipeline, and a plurality of adjusting screws penetrate through and are radially and adjustably connected to the support inner ring; the other end of the adjusting screw rod is fixedly connected with an arc-shaped supporting plate. The annular pressing device solves the problems that the supporting force of the air bag is insufficient and the inner part of the pipeline is adhered, the inner diameter of the fixed steel ring support cannot be adjusted, the supporting structure is fixed and difficult to detach, and the annular pressing device has the obvious advantages of simple structure, low cost and convenience in construction.
Description
Technical Field
The utility model relates to a pipeline construction technical field, concretely relates to pipeline inner wall bonding is restoreed and is used ring pressure device.
Background
In the current pipeline fracture bonding repair process, soft materials such as glass fiber reinforced plastic fiber cloth and the like and special waterproof colloid are mostly utilized to be adhered and coated on the inner wall of the pipeline, and after the pipeline is air-dried, a sealing support is formed, so that the pipeline inner wall leak repair is completed. However, in the actual construction process, because the bonding of the colloid and the pipeline needs an air drying process, in order to prevent the bonding from falling off, the inner wall of the pipeline needs to be fixed and pressed, the common method is to use an air bag or a steel ring to perform pressing treatment on the inner wall of the pipeline, but the air bag support has the defects that the support force is insufficient, once the outer wall of the air bag is stained with the waterproof colloid, the air bag is extremely difficult to separate, the damage to the air bag is extremely large, and the support effect is not ideal; in addition, the steel ring support has the defects that the structure is fixed, the support adjustment can not be carried out according to the diameter of a pipeline, the size of the steel ring is extremely difficult to grasp, the size is small, enough supporting force can not be provided, the size is large, the steel ring is extremely difficult to take out after colloid is air-dried, and even the repaired inner wall of the pipeline is damaged secondarily.
Through published patent search, no relevant comparison documents are found.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a pipeline inner wall bonding is restoreed and is used ring pressure device, this ring pressure device not only solved the gasbag holding power not enough and with the inside adhesion problem of pipeline, still solved fixed steel ring and supported the unable regulation of internal diameter, and the fixed scheduling problem that is difficult to dismantle of bearing structure, have simple structure, low cost, construction convenience's obvious advantage.
A ring pressing device for bonding and repairing the inner wall of a pipeline comprises a support inner ring, adjusting screws and an arc-shaped support plate, wherein the support inner ring is coaxially arranged in the middle of the repairing section of the inner wall of the pipeline, and a plurality of adjusting screws penetrate through and are radially and adjustably connected to the support inner ring; the other end of the adjusting screw rod is fixedly connected with an arc-shaped supporting plate.
One side surface of the arc-shaped supporting plate is made into a convex arc surface, and the other side surface of the arc-shaped supporting plate is made into a concave arc surface, wherein the convex arc surfaces of the arc-shaped supporting plate are extruded and supported at the bonding repair position of the inner wall of the pipeline; the middle part of the concave cambered surface of the arc-shaped supporting plate is fixedly connected with the end part of the adjusting screw rod.
Furthermore, one end of each adjusting screw rod is provided with an external thread, and the threads on the external threads are connected with a plurality of adjusting nuts; the adjusting nuts are respectively supported on the inner wall and the outer wall of the supporting inner ring in a matched mode.
And the axial section of the supporting ring is of a regular polygon structure, and the middle parts of a plurality of planes of the regular polygon structure penetrate through and are connected with the adjusting screw rod in a sliding adjusting mode.
And, the axial cross-section of supporting ring is circular structure, and the equipartition sets up adjusting screw on this circular structure lateral wall.
The utility model has the advantages and the technical effect be:
the utility model discloses a pipeline inner wall bonding is restoreed and is used ring pressure equipment to put, support at the inside support inner ring of pipeline through coaxial setting, adjust the arc backup pad and the interval that supports the inner ring through adjusting screw, and then adjust the support diameter of the support ring of constituteing by the arc backup pad, last adjusting screw passes through adjusting nut and can dismantle the rigid coupling on the annular wall that supports the inner ring, be convenient for adjust ring pressure equipment according to the pipeline diameter and put the holding power to the pipeline inner wall to the dismantlement of ring pressure equipment of being convenient for after air-drying. The annular pressing device is simple in structure and low in cost, and through actual construction inspection, the inner wall bonding repair material of the pipeline after the annular pressing device is pressed and air-dried is tightly attached to the pipe wall, no leakage point exists, the pipeline repair effect is obviously superior to construction modes such as air bags and steel rings in the prior art, and the annular pressing device is used for bonding and repairing the inner wall of the pipeline with the U-shaped structure with the higher difference.
Drawings
Fig. 1 is a front view of the present invention (supporting inner ring with regular polygonal cross section);
fig. 2 is a front view of the present invention (a support inner ring with a circular cross section);
in the figure: 1-a support inner ring; 2-adjusting the screw rod; 3-arc support plate; 4-adjusting the nut; 5-external thread.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
A ring pressing device for bonding and repairing the inner wall of a pipeline comprises a support inner ring 1, adjusting screws 2 and an arc-shaped support plate 3, wherein the support inner ring is coaxially arranged in the middle of the repairing section of the inner wall of the pipeline, and a plurality of adjusting screws penetrate through the support inner ring and are radially adjusted and connected with the support inner ring; the other end of the adjusting screw rod is fixedly connected with an arc-shaped supporting plate.
One side surface of the arc-shaped supporting plate is made into a convex arc surface, and the other side surface of the arc-shaped supporting plate is made into a concave arc surface, wherein the convex arc surfaces of the arc-shaped supporting plate are extruded and supported at the bonding repair position of the inner wall of the pipeline; the middle part of the concave cambered surface of the arc-shaped supporting plate is fixedly connected with the end part of the adjusting screw rod.
Furthermore, one end of each adjusting screw is provided with an external thread 5, and the external threads are connected with a plurality of adjusting nuts 4; the adjusting nuts are respectively supported on the inner wall and the outer wall of the supporting inner ring in a matched mode.
And the axial section of the supporting ring is of a regular polygon structure, and the middle parts of a plurality of planes of the regular polygon structure penetrate through and are connected with the adjusting screw rod in a sliding adjusting mode.
And, the axial cross-section of supporting ring is circular structure, and the equipartition sets up adjusting screw on this circular structure lateral wall.
To more clearly illustrate the embodiments of the present invention, an example is provided below:
the utility model discloses a pipeline inner wall bonding is restoreed and is used ring pressure equipment device, will support the inner ring location by the manual work when using and hold up steady, keep supporting inner ring and pipeline inner wall coaxial orientation, and artifical rotatory adjusting nut again afterwards, the inseparable pressfitting of arc backup pad that makes adjusting screw support is on pipeline inner wall, need notice during the rotatory adjusting nut, adjust nut screws in pairs with the axle center central symmetry that supports the inner ring, adjust nut screws in pairs again with time after tentatively fixing a position supporting the inner ring, the protruding cambered surface until every arc backup pad all closely supports on pipeline inner wall.
1. It should be noted that: the supporting inner ring (the width is about 50mm, the thickness is about 20 mm), the diameter can be designed according to 400mm (suitable for 500 and 800mm pipe diameters) and 800cm (suitable for 900 and 1200mm pipe diameters).
The supporting inner ring of the regular polygon is preferably an octagonal ring of a regular octagonal structure, and each plane of the octagonal ring is provided with a screw hole (the circular ring can be uniformly provided with holes).
The length of the adjusting screw is about 300mm, the length of the screw and the radian of the arc supporting plate can be properly selected according to the diameter of the pipe wall and the inner radian in construction, and several groups of arc supporting plates with different radians and screws with different lengths can be manufactured for standby.
The ring pressing device can also be used by two or more ring pressing devices at the same time, and is mainly applied when the pipeline joint has dislocation.
2. Instructions for use:
the utility model discloses a pipeline inner wall bonding is restoreed with ring pressure equipment device mainly is applied to the non-excavation restoration of pipeline, the usefulness of flexible bonding pressfitting in the interface pipe. For example, when soft materials such as glass fiber reinforced plastic fiber cloth and the like and special waterproof glue are used in a combined mode, the fiber cloth is coated with the waterproof glue and the leakage points are covered in an annular mode, then the adjusting nuts are symmetrically screwed down through the device, the arc-shaped supporting plate is pressed at the leakage points in an annular mode, after the glue is dried and fixed, the arc-shaped supporting plate is detached and used at another position.
3. The technical characteristics are compared:
(1) the ring pressing device has the advantages of simple design structure, convenience in operation, low operation cost and the like.
(2) The ring pressing device has the capability of adjusting the pipe diameter change of the repaired pipeline.
(3) The ring pressing device has larger uneven and staggered openings on the joint, and can adjust the pressure of different bolts during ring pressing so as to ensure the ring pressing effect.
(4) Compared with the air bag, the annular pressure device has low cost, more air bag types, higher cost and easy damage.
(5) Compared with the steel ring, the steel ring has the defects of higher cost, difficult installation and disassembly and the like.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (5)
1. The utility model provides a pipeline inner wall bonding is restoreed and is used ring pressure equipment device which characterized in that: the device comprises a support inner ring, adjusting screws and an arc-shaped support plate, wherein the support inner ring is coaxially arranged in the middle of the repaired section of the inner wall of the pipeline, and a plurality of adjusting screws penetrate through and are radially and adjustably connected to the support inner ring; and the other end of the adjusting screw rod is fixedly connected with an arc-shaped supporting plate.
2. The annular pressing device for the bonding repair of the inner wall of the pipeline according to claim 1, wherein: one side surface of the arc-shaped supporting plate is made into a convex arc surface, the other side surface of the arc-shaped supporting plate is made into a concave arc surface, and the convex arc surfaces of the arc-shaped supporting plate are extruded and supported at the bonding repair position of the inner wall of the pipeline; the middle part of the concave arc surface of the arc-shaped supporting plate is fixedly connected with the end part of the adjusting screw rod.
3. The annular pressing device for the bonding repair of the inner wall of the pipeline according to claim 1, wherein: the adjusting screw is provided with an external thread, and the external thread is connected with a plurality of adjusting nuts; the adjusting nuts are respectively supported on the inner wall and the outer wall of the inner supporting ring in a matched mode.
4. The annular pressing device for the bonding repair of the inner wall of the pipeline according to claim 1, wherein: the axial section of the support inner ring is of a regular polygon structure, and the middle parts of a plurality of planes of the regular polygon structure penetrate through and are connected with the adjusting screw rod in a sliding adjusting mode.
5. The annular pressing device for the bonding repair of the inner wall of the pipeline according to claim 1, wherein: the axial cross section of the supporting inner ring is of a circular structure, and adjusting screws are uniformly distributed on the side wall of the circular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922152467.9U CN211875426U (en) | 2019-12-05 | 2019-12-05 | Annular pressing device for adhering and repairing inner wall of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922152467.9U CN211875426U (en) | 2019-12-05 | 2019-12-05 | Annular pressing device for adhering and repairing inner wall of pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211875426U true CN211875426U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922152467.9U Active CN211875426U (en) | 2019-12-05 | 2019-12-05 | Annular pressing device for adhering and repairing inner wall of pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211875426U (en) |
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2019
- 2019-12-05 CN CN201922152467.9U patent/CN211875426U/en active Active
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