CN220623222U - Pipeline deformation repair equipment - Google Patents

Abstract

The utility model relates to pipeline deformation repair equipment which comprises a repair device and a jack, wherein the repair device comprises a rubber ring, two first arc plates and two second arc plates, the arc radiuses of the radial outer walls of the first arc plates and the second arc plates are corresponding to the inner diameter of the rubber ring, the two first arc plates are symmetrically arranged in the rubber ring up and down, the radial outer walls of the two first arc plates are fixedly connected with the inner wall of the rubber ring on the corresponding side respectively, the two second arc plates are symmetrically arranged between the two first arc plates left and right, the radial outer walls of the two second arc plates are fixedly connected with the inner wall of the rubber ring on the corresponding side respectively, locking structures suitable for butt joint and locking of the corresponding side ends of the second arc plates are respectively arranged at the radial two ends of the first arc plates, the sum of the arc lengths of the radial outer walls of the two first arc plates and the two second arc plates corresponds to the circumference of the inner wall of the rubber ring, and the repair device is sleeved on the jack. The utility model has simple structure, is easy and convenient to operate when being used for repairing deformed pipelines, and can rapidly finish the repair of the deformation of the pipelines.

Description

Pipeline deformation repair equipment

Technical Field

The utility model relates to pipeline deformation repair equipment, or more precisely, small-diameter pipeline deformation repair equipment, and belongs to the technical field of pipeline repair.

Background

After the drainage pipeline is put into operation for years, due to ground load, self life, fluid corrosion, improper maintenance and other reasons, defects (deformation or damage) of different grades can often occur, and the deformation of the small-diameter drainage pipeline is a common structural defect in pipeline detection and is also a pipeline defect with the most serious influence on pipeline operation. Because the manual work can't get into the little pipe diameter pipeline and carry out the operation, current non-excavation repair technique can't directly repair the deformation of little pipe diameter pipeline, the deformation repair to little pipe diameter pipeline at present mainly adopts several modes: (1) excavating and replacing a pipe; (2) Drilling a guide hole through a horizontal directional drilling machine to penetrate through a deformation collapse part of the pipeline, then adopting a collapse treatment drill bit to destroy the collapse part and outwards squeeze the collapse part to restore the shape of the pipeline, adopting a short steel pipe to support in time, and then carrying out non-excavation restoration; (3) And (3) processing and resetting the collapse deformation part of the pipeline by using jacking extrusion equipment, jacking the prefabricated steel ring joint to penetrate the pipeline, and then carrying out non-excavation repair. In addition, the utility model patent with publication number of CN114017577A discloses a pipeline replacement system and a pipeline replacement method, wherein an old pipe is crushed by adopting a circular cutting drill bit, and a jacking device moving along with the circular cutting drill bit realizes the crushing of the old pipe and the replacement of the new pipe by pushing the new pipe to occupy the position before the old pipe moves. However, these repair methods have high requirements on construction conditions and construction equipment, either surface excavation is required, or inspection wells at two ends of a deformed pipeline are required to be modified and reinforced to adapt to the operation of the construction equipment, and the construction operation is long in time consumption, so that the repair method is difficult to be suitable for repairing the deformed pipeline under the conditions of heavy urban traffic and complex underground pipelines.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the pipeline deformation repair equipment which is simple in structure, is easy and convenient to operate when used for repairing deformed pipelines, and can quickly finish the repair of pipeline deformation.

The technical scheme for achieving the aim of the utility model is as follows: the utility model provides a pipeline warp prosthetic devices, includes prosthetic devices and jack, prosthetic devices includes rubber circle, two first arcs and two second arcs, first arcs with the radial outer wall's of second arcs circular arc radius all with the internal diameter of rubber circle is corresponding, two first arcs up-and-down symmetry locates in the rubber circle and the central angle is relative, two the radial outer wall of first arcs respectively with the inner wall fixed connection of rubber circle of corresponding side, two second arcs bilateral symmetry locates two between the first arcs and the central angle is relative, two the radial outer wall of second arcs respectively with the inner wall fixed connection of rubber circle of corresponding side, the radial both ends of first arcs are equipped with respectively and are suitable for the locking structure of the corresponding side tip butt joint locking of second arcs, two first arcs and two the radial outer wall's of second sum of length corresponds with the inner wall perimeter of rubber circle, the jack is located in the bottom the first arc is located the top of two top of the jack is located on the top of two top of the second arc respectively.

Preferably, the arc length of the first arc-shaped plate is greater than the arc length of the second arc-shaped plate.

Preferably, the axial lengths of the first arc-shaped plate, the second arc-shaped plate and the rubber ring are the same, and the axial end faces of the first arc-shaped plate, the second arc-shaped plate and the rubber ring are flush.

Preferably, the outer diameter of the rubber ring corresponds to the inner diameter of the deformed pipe to be repaired.

Preferably, the locking structure is a clamping groove suitable for clamping the radial end part of the second arc-shaped plate.

Preferably, the locking structure comprises a locking arc plate fixedly arranged on the inner wall of the end part of the first arc plate, the radius of the circular arc of the radial outer wall of the locking arc plate corresponds to the radius of the circular arc of the radial inner wall of the first arc plate, the end part of the locking arc plate outwards extends out of the corresponding side end part of the first arc plate where the locking arc plate is located, the corresponding side end parts of the first arc plate and the second arc plate are matched inclined surfaces suitable for butt joint, and the inclined surfaces of the end parts of the locking arc plate and the first arc plate where the locking arc plate is located form a clamping groove suitable for the inclined surface end part joint of the second arc plate on the corresponding side.

Preferably, the length of the corresponding side end of the first arcuate plate, from which the locking arcuate plate protrudes outwardly, is no more than 1/10 of the arcuate length of the radially outer wall of the second arcuate plate.

Preferably, the radial two ends of the second arc plate are inclined planes which incline from inside to outside and from the end direction to the middle direction respectively, and the radial two ends of the first arc plate are inclined planes which incline from inside to outside and from the middle direction to the end direction respectively.

Preferably, the end portion of the first arc-shaped plate, where the locking arc-shaped plate extends out, is a slope adapted to slide over the corresponding side end portion of the second arc-shaped plate, i.e. a slope inclined from inside to outside and from the middle direction to the end portion direction.

Preferably, the middle part of the radial outer wall of the second arc-shaped plate is fixedly connected with the inner wall of the rubber ring at the corresponding side.

Preferably, the central angle of the first arc-shaped plate is smaller than 180 degrees.

Correspondingly, the central angle of the second arc-shaped plate is smaller than 180 degrees.

Preferably, the fixing connection mode of each arc plate and the rubber ring is bonding or bolting.

Preferably, the axial lengths of the first arc-shaped plate, the second arc-shaped plate and the rubber ring are the same, and the axial end faces of the first arc-shaped plate, the second arc-shaped plate and the rubber ring are flush.

Preferably, the first arc-shaped plate and the second arc-shaped plate are both stainless steel plates.

Preferably, the jack is provided with a left pushing part and a right pushing part, and pushing ends of the left pushing part and the right pushing part respectively prop against the inner walls of the second arc plates at the corresponding sides.

Preferably, wheels are respectively arranged at the front end and the rear end of the base of the jack, the deformation device is sleeved on the jack between the front wheel and the rear wheel, or the jack is fixedly arranged on the trolley with the wheels at the front end and the rear end, and the deformation device is sleeved on the jack between the front wheel and the rear wheel and the trolley body.

Preferably, the repairing device is wound and fixed on the jack or the jack and the trolley body through fiber tapes.

The beneficial effects of the utility model are as follows:

(1) According to the utility model, the deformed pipeline is repaired by the jacking force of the jack, the jacking force of the jack firstly acts on the arc-shaped plate and the rubber ring and then acts on the deformed pipeline, and as the arc-shaped plate and the deformed pipeline are in shape, the stress of the deformed pipeline is more balanced (the point stress is converted into the surface stress), secondary damage is not caused in the repairing process, and the rubber ring plays a role in stress buffering in the repairing process of the deformed pipeline, so that the pipeline is prevented from being damaged;

(2) After the rubber ring is rounded, the end part of the second arc-shaped plate is butted with the end part of the first arc-shaped plate at the corresponding side and locked and fixed to form a circular ring, the circular ring tightly supports the rubber ring on the inner wall of the pipeline, so that the pipeline can be effectively supported, the pipeline is prevented from being deformed again, and meanwhile, the rubber ring can also play a role in stopping water at the damaged part of the deformed pipeline, and leakage is avoided;

(3) Because the rubber ring has the characteristic of elastic deformation, in the process of rounding, a large jacking force in a proper range is applied by the jack, under the condition of not damaging or deforming the pipeline again (in the stress range of the pipeline), enough space for the second arc plate to slide is formed between the two locking arc plates at the same side (at the moment, the rubber ring compresses and deforms), the butt joint of the second arc plate and the corresponding side end part of the first arc plate and the smooth completion of locking and fixing (forming a circular ring) are facilitated, and the condition that the second arc plate is blocked by the locking arc plate in the process of rounding the rubber ring, so that the second arc plate and the first arc plate cannot be in butt joint is avoided;

(4) The utility model has simple structure, simple and convenient operation when being used for repairing deformed pipelines, deformation repair of the pipelines can be completed without digging, drilling, reforming and reinforcing inspection wells at two ends of the pipelines and manually entering the pipelines, the deformation repair speed of the pipelines is high, the efficiency is high, the cost is low, and the utility model is particularly suitable for repairing underground small-diameter deformed pipelines (the pipe diameter is less than or equal to 800mm and the deformation rate is less than or equal to 33%).

Drawings

FIG. 1 is a schematic radial construction of an embodiment of the present utility model;

FIG. 2 is an enlarged partial schematic view of section I of FIG. 1;

FIG. 3 is a schematic axial view of the structure of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the present utility model disposed within a deformed conduit;

FIG. 5 is a schematic cross-sectional view of the deformed pipe after repair is completed (jack not withdrawn);

fig. 6 is an enlarged partial schematic view of section ii of fig. 4.

Detailed Description

All directional indicators (e.g., up, down, left, right, front, rear, top, bottom, etc.) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a certain specific posture (as shown in the drawings), and do not constitute limitations on the actual use direction, and if the specific posture is changed, the directional indicators are correspondingly changed.

Referring to fig. 1 and 2, the utility model discloses a pipeline deformation repair device, which comprises a repair device (pipeline deformation repair device) and a jack 1, wherein the repair device comprises a rubber ring (or rubber tube) 2, two first arc plates 3 and two second arc plates 4, the arc radiuses of the radial outer walls of the first arc plates and the second arc plates are corresponding to the inner diameter of the rubber ring, the arc radiuses of the radial inner walls of the first arc plates and the second arc plates are preferably the same, the two first arc plates are symmetrically arranged in the rubber ring up and down, the central angles of the two first arc plates are opposite, a space is reserved between the two first arc plates, the radial outer walls of the two first arc plates are fixedly connected with the inner walls of the rubber ring on corresponding sides respectively, the two second arc plates are symmetrically arranged between the two first arc plates and the central angles of the two arc plates are opposite, the radial outer walls of the two second arc plates are respectively and fixedly connected with the inner walls of the rubber rings at the corresponding sides, preferably the middle parts of the radial outer walls of the second arc plates are respectively and fixedly connected with the inner walls of the rubber rings at the corresponding sides (the rubber ring parts connected with the second arc plates are positioned between the two first arc plates), the radial two ends of the first arc plates are respectively provided with a locking structure suitable for butt locking of the corresponding side end parts of the second arc plates, the sum of the arc lengths of the radial outer walls of the two first arc plates and the two second arc plates corresponds to the circumference of the inner walls of the rubber rings (the circumference when the rubber rings are not stretched by tension/external force), and can be slightly larger than the circumference of the inner walls of the rubber rings in general, so that under the condition that the rubber rings are moderately supported and enlarged, the two first arc-shaped plates and the two second arc-shaped plates are just in circumferential butt joint to form a circular ring (or a cylinder), and the rubber ring is hooped on the circular ring with certain tension. The repairing device is sleeved on the jack, the bottom of the jack is propped against the inner wall of the first arc-shaped plate positioned below, the top end of the vertical pushing piece of the jack is propped against the inner wall of the first arc-shaped plate positioned above, and the two second arc-shaped plates are respectively positioned on the left side and the right side of the jack.

The arc length of the first arc-shaped plate and the arc length of the second arc-shaped plate can be set according to actual needs (for example, the deformation condition of a pipeline to be repaired), the arc length can be used as the first arc-shaped plate, and the first arc-shaped plate can be directly supported by the jack when in use.

The arc length of the first arc plate (i.e. the length of the arc-shaped cross-sectional line, i.e. the length of the arc plate corresponding to the circumferential direction of the rubber ring) may be significantly larger than the arc length of the second arc plate, e.g. the arc length of the first arc plate is 40% -46% of the circumference of the inner wall of the rubber ring, and the arc length of the second arc plate is 5% -11% of the circumference of the inner wall of the rubber ring in the circular state.

When the pipeline deformation repair equipment is adopted to repair a deformed pipeline, the pipeline deformation repair equipment is arranged at a deformation position in the pipeline, then the jack is adopted to push the two first arc plates in the up-down direction (the left-right direction or other radial directions can be determined according to the pipeline deformation condition and the convenience in operation if necessary), the rubber ring is supported to be round, the deformation position of the pipeline is supported to be pushed while the rubber ring is supported to be round, the deformed pipeline is enabled to recover a round section, the two second arc plates move leftwards and rightwards under the pulling action of the rubber ring until the radial two ends of the second arc plates are butted with the ends of the first arc plates on the corresponding sides and are locked and fixed to form a circular ring, and the circular ring supports the rubber ring on the inner wall of the pipeline to play the roles of supporting and fixing and stopping water at the damaged position of the pipeline.

The radius of the circular arc of the radial outer walls of the first arc-shaped plate and the second arc-shaped plate can be the same as the inner diameter of the rubber ring, or slightly larger than the inner diameter of the rubber ring (the radius of the circular arc of the radial outer walls of the first arc-shaped plate and the second arc-shaped plate is not more than 10mm of the inner diameter of the rubber ring generally), and correspondingly, the sum of the lengths of the circular arcs of the radial outer walls of the two first arc-shaped plates and the two second arc-shaped plates can be the same as the circumference of the inner wall of the rubber ring, or slightly larger than the circumference of the inner wall of the rubber ring. Preferably, the radius of the circular arc of the radial outer walls of the first arc-shaped plate and the second arc-shaped plate is slightly larger than the inner diameter of the rubber ring (at this time, the sum of the arc lengths of the radial outer walls of the two first arc-shaped plates and the two second arc-shaped plates is slightly larger than the circumference of the inner wall of the rubber ring), so that after the corresponding ends of the two first arc-shaped plates and the two second arc-shaped plates are butted and locked to form a circular ring, the circular ring can tightly prop the rubber ring on the inner wall of a pipeline, and the functions of supporting the pipeline and stopping water at the damaged position are better achieved.

The outer diameter of the rubber ring can be the same as the inner diameter of the deformed pipeline to be repaired, and can be slightly larger than the inner diameter of the deformed pipeline to be repaired, preferably, the outer diameter of the rubber ring is slightly larger than the inner diameter of the deformed pipeline to be repaired (the outer diameter of the rubber ring is not more than 10mm of the inner diameter of the deformed pipeline to be repaired generally), at the moment, the deformation allowance is reserved in the repaired pipeline by the rubber ring, and the stable support and water-stopping sealing are facilitated when the rugged condition exists on the inner wall of the repaired pipeline.

The locking structure is preferably a clamping groove which is suitable for clamping the radial end part of the second arc-shaped plate. The locking structure preferably comprises a locking arc plate 5 fixedly arranged on the inner wall of the end part of the first arc plate, the radius of the circular arc of the radial outer wall of the locking arc plate corresponds to the radius of the circular arc of the radial inner wall of the first arc plate (the same index is adopted, assembly errors are allowed), the end part of the locking arc plate outwards extends out of the corresponding side end part of the first arc plate where the locking arc plate is positioned, the corresponding side end parts of the first arc plate and the second arc plate are matched inclined surfaces suitable for butt joint, the radial two ends of the second arc plate are preferably inclined surfaces inclined from inside to outside and from the end part direction to the middle part direction respectively, and correspondingly, the radial two ends of the first arc plate are inclined surfaces inclined from inside to outside and from the middle part direction to the end part direction respectively. The device is characterized in that the inclined surface of the end part of the first arc plate is provided with a clamping groove which is suitable for clamping the inclined surface end part of the second arc plate on the corresponding side, when the rubber ring is pulled to the left side and the right side in the circle supporting process, the second arc plate slides across the corresponding side after sliding across the locking arc plate, the inclined surface end part of the second arc plate is in butt joint with the inclined surface end part of the corresponding first arc plate, and is clamped in a clamping groove (namely, locked and fixed) formed by the inclined surface of the end part of the locking arc plate and the inclined surface of the first arc plate, the butt joint part is prevented from being separated, and therefore, the structural shape of a circular ring formed by the butt joint of the two first arc plates and the two second arc plates is stable, and the support and the water-stop sealing effect of a repaired pipeline are ensured.

The length of the corresponding side end part of the first arc plate where the locking arc plate extends outwards is preferably not more than 1/10 of the arc length of the radial outer wall of the second arc plate, so that when the two first arc plates are pushed by the pushing device (when the first arc plates are pushed to the inner wall of the rubber ring and the rubber ring is elastically deformed in compression), enough space for the second arc plate to slide can be formed between the two locking arc plates on the same side, and the second arc plate is prevented from being blocked due to the fact that the corresponding side end part of the first arc plate where the locking arc plate extends outwards is too long, so that the second arc plate cannot be butted with the first arc plate.

The end part of the first arc-shaped plate, where the locking arc-shaped plate extends out of the second arc-shaped plate, is preferably an inclined surface suitable for sliding over the end part of the corresponding side of the second arc-shaped plate, namely an inclined surface inclined from the middle direction to the end part direction from inside to outside, and the locking arc-shaped plate is arranged in such a way that the second arc-shaped plate slides over the locking arc-shaped plate on the corresponding side under the pulling action of the rubber ring, so that the blocking condition is avoided.

The central angles of the first arc-shaped plate and the second arc-shaped plate are smaller than 180 degrees, and the sum of the central angles of one first arc-shaped plate and one second arc-shaped plate is equal to 180 degrees, so that corresponding side end parts of the two first arc-shaped plates and the two second arc-shaped plates can form a circular ring after being butted.

The first arc-shaped plate and the second arc-shaped plate can be fixedly connected with the rubber ring in an adhesive mode or in a bolt connection mode.

The axial lengths of the first arc-shaped plate, the second arc-shaped plate and the rubber ring are preferably identical, and the axial end faces of the first arc-shaped plate, the second arc-shaped plate and the rubber ring are flush.

The first arc-shaped plate, the second arc-shaped plate and the locking arc-shaped plate are all preferably stainless steel plates so as to ensure structural strength.

The jack is preferably provided with a left pushing part and a right pushing part, and after the pipeline deformation repair device is sleeved on the jack, pushing ends of the left pushing part and the right pushing part respectively prop against the inner wall of the second arc plate at the corresponding sides. The device is arranged in such a way, in the process of supporting the circle by the rubber ring and recovering the circular section of the deformed pipeline, the second arc plate on the corresponding side can be pushed to the left side and the right side by the left side and the right side of the horizontal pushing piece of the jack, and the second arc plate is beneficial to smoothly sliding over the corresponding side under the action of pushing force and is in butt joint with the corresponding side end part of the first arc plate, and can also apply horizontal pushing force to the inner wall of the deformed pipeline, so that the deformed pipeline is beneficial to recovering the circular section (deformation repair of the pipeline).

Wheels (two or three wheels are respectively arranged at each end) are respectively arranged at the front end and the rear end of the base of the jack, and the deformation device is sleeved on the jack between the front wheel and the rear wheel. Or the jack is fixedly arranged on the trolley with wheels at the front end and the rear end, and the deformation device is sleeved on the jack between the front wheel and the rear wheel and the trolley body. The arrangement is convenient for the jack to move in the deformed pipeline. The trolley can adopt a remote control trolley, manual traction is not needed, and the jack carrying the pipeline deformation repair device can be sent to a position to be repaired in a deformed pipeline in a remote control mode.

After the pipeline deformation repair device is sleeved on the jack (or the jack and the trolley body), the pipeline deformation repair device can be fixed by winding the fiber adhesive tape 6, namely, the pipeline deformation repair device is fixed on the jack (or the jack and the trolley body) by winding the fiber adhesive tape on the outer wall of the rubber ring, so that the pipeline deformation repair device can be prevented from accidentally falling off from the jack in the process of advancing in a deformed pipeline. When the jack carrying the pipeline deformation repair device moves to a position to be repaired in a deformed pipeline, the fiber adhesive tape is firstly broken when the jack works, and the normal operation of pipeline repair work is not affected.

Referring to fig. 3, in order to facilitate the fixing of the pipe deformation repair device on the jack, a groove 8 is provided on the bottom surface of the base of the jack or the bottom surface of the trolley (when the jack is fixedly provided on the trolley), the groove is located between the wheels at the front and rear ends, the groove is a through groove in the left-right direction, the length in the front-rear direction is the same as or greater than the axial length of the pipe deformation repair device, and when the pipe deformation repair device is sleeved on the jack, the lower part of the pipe deformation repair device is clamped in the groove. The depth of the groove is preferably the same as the sum of the thicknesses of the first arcuate plate and the rubber ring.

The base of jack or dolly (when the jack is fixed locate on the dolly) length in fore-and-aft direction is greater than the length of the vertical thrusting member of jack in fore-and-aft direction, so set up, can be in the jack operation (when vertical thrusting member pushes up) dispersion because the thrust of vertical thrusting member causes the bottom of jack or the bottom of dolly (when the jack is fixed locate on the dolly) treat the effort that the bottom inner wall of restoration pipeline produced to the in-process of pipeline restoration effectively prevents to treat the bottom inner wall atress of restoration pipeline too big and cause the damage.

The bottom surface of the base of the jack or the bottom surface of the trolley (when the jack is fixedly arranged on the trolley) is preferably an arc-shaped surface (or a column-shaped surface) with the axial direction being the front-back direction, which is beneficial to the rounding of the rubber ring in the pipeline repairing process and the reduction of the stress of the inner wall of the bottom of the pipeline to be repaired in the pipeline repairing process, and the damage caused by the overlarge stress is avoided. The pushing ends of the vertical pushing piece and the horizontal pushing piece of the jack are preferably arc-shaped surfaces (or cylindrical surfaces and spherical surfaces) which are also arranged. The wheels on the base of the jack or the trolley (when the jack is fixedly arranged on the trolley) can be set into telescopic wheels according to the prior art, when the jack works (when the vertical pushing piece pushes upwards), the wheels are pressed and retract into the base of the jack or the trolley body of the trolley (when the jack is fixedly arranged on the trolley), so that the bottom surface of the base of the jack or the bottom surface of the trolley (when the jack is fixedly arranged on the trolley) can be clung to the inner wall of the bottom of a pipeline to be repaired.

The jack can be provided with a matched remote control device according to the prior art, so that the pushing part of the jack can be remotely controlled manually (usually in the ground or an inspection well) to execute telescopic action.

Referring to fig. 4, 5 and 6, the method for repairing the deformed pipeline by adopting the pipeline deformation repair device comprises the following steps: the method comprises the steps that firstly, pipeline deformation equipment is placed in a to-be-repaired position (pipeline deformation position) of a deformed pipeline 7, the first arc-shaped plates 3 positioned above are pushed upwards through vertical pushing pieces of a jack 1 (the fiber adhesive tapes 6 are broken in the pushing process), the position of the jack in the pipeline deformation repair device is guaranteed to be balanced according to actual needs, the two first arc-shaped plates move stably in the radial direction of the pipeline, deflection or inclination is avoided until a rubber ring 2 is supported to be circular, the deformed pipeline is restored to a circular section under the action of pushing force, the second arc-shaped plates 4 on the corresponding sides are pulled on the left side and the right side in the process of supporting the circular rubber ring (when the jack is provided with the left side and the right side of the transverse pushing pieces, the left side and the right side of the transverse pushing pieces synchronously act with the vertical pushing pieces, the second arc-shaped plates on the corresponding sides of the left side and the right side of the jack are outwards slid through the locking arc-shaped plates 5, and the radial two ends of the second arc-shaped plates are respectively butted with the ends of the first arc-shaped plates on the corresponding sides and are fixed through the locking ring, and the jack is taken out of the deformed pipeline from the pipeline to repair the pipeline, and the deformation is completed.

If the axial length of the rubber ring is not large, a jack can be adopted, the jack is axially positioned in the middle of the first arc-shaped plate (namely the rubber ring), when the axial length of the rubber ring is large, two jacks can also be arranged, and the two jacks are axially arranged front and back to realize relatively balanced stress, so that the two first arc-shaped plates and the whole rubber ring are supported together.

The pipeline deformation repair equipment can be pulled into the deformed pipeline by adopting a traction rope through a manual traction or mechanical traction mode, and the traction rope can be pulled in from an inspection well at one end of the deformed pipeline and pulled out from an inspection well at the other end of the deformed pipeline through a CCTV detection robot in the pipeline defect detection process. When the jack is fixedly arranged on the trolley and the trolley is a remote control trolley, the moving of the pipeline deformation repair equipment in the pipeline is controlled in a remote control mode.

The preferred construction mode for repairing the deformed pipeline by adopting the pipeline deformation repair equipment is as follows:

(1) Plugging, drainage

And the air bags matched with the pipe diameters are adopted to seal the pipelines at the outer sides of the upstream inspection well and the downstream inspection well of the deformed pipeline to be repaired, the deformed pipeline to be repaired is isolated, the water pump is utilized to lead the upstream pipeline to flow water to the downstream pipeline, and no water in the deformed pipeline to be repaired is ensured. For a pipeline with serious water leakage, water can be blocked by means of ground grouting.

(2) Dredging

The high-pressure cleaning vehicle and/or the sewage suction vehicle are used for dredging deformed pipelines to be repaired, dredging the bottom of the pipeline and scaling the pipeline wall, and the multifunctional robot for cleaning foreign matters such as tree roots, anchor rods, concrete concretes and the like in the pipeline is used.

(3) Pipeline detection

After plugging, drainage and dredging of the deformed pipeline to be repaired, a CCTV detection robot is adopted to carry out detailed inspection on the position and condition of defects (deformation or breakage) in the deformed pipeline to be repaired, and the position of the pipeline to be repaired is determined.

(4) Pipeline repair

(1) Moving (typically pulling) the pipeline deformation repair device to a position to be repaired in the deformed pipeline;

(2) the rubber ring is supported to be round through the pushing action of the pushing piece of the jack, the deformed pipeline is enabled to recover to be round in section (the deformed pipeline recovers) under the action of the pushing force, at the moment, the corresponding side ends of the first arc-shaped plate and the second arc-shaped plate are butted and locked and fixed to form a circular ring, and the rubber ring is clamped between the circular ring and the inner wall of the pipeline, so that the functions of stably supporting and sealing water stopping are achieved;

(3) and after the deformation of the pipeline is completely repaired, withdrawing the jack from the pipeline.

After the pipeline deformation repair is completed, other defects of the pipeline can be repaired by adopting a corresponding non-excavation repair mode continuously according to the requirement.

In the actual pipeline deformation repair process, if the deformed pipe section of the pipeline is longer, a plurality of pipeline deformation repair devices or repair equipment can be adopted to repair the pipeline in an axial direction in a head-to-tail sequential butt joint mode.

The rubber ring may be made of rubber or any other suitable elastic material (e.g., other polymeric elastic materials).

The preferred and optional technical means disclosed in the utility model may be combined arbitrarily to form a plurality of different technical schemes, except for the specific description and the further limitation that one preferred or optional technical means is another technical means.

Claims (10)

1. The utility model provides a pipeline deformation repair equipment, its characterized in that includes prosthetic devices and jack, prosthetic devices includes rubber circle, two first arcs and two second arcs, first arcs with the radial outer wall's of second arcs circular arc radius all with the internal diameter of rubber circle is corresponding, two first arcs up and down symmetry locates in the rubber circle and central angle is relative, two the radial outer wall of first arcs respectively with the inner wall fixed connection of rubber circle of corresponding side, two second arcs bilateral symmetry locates two between the first arcs and central angle is relative, two the radial outer wall of second arcs respectively with the inner wall fixed connection of rubber circle of corresponding side, the radial both ends of first arcs are equipped with respectively and are suitable for the corresponding side tip butt joint locking's of second arcs locking structure, two first arcs and two the radial outer wall's of second arcs arc sum with the inner wall circumference of rubber circle corresponds, two the second arcs bilateral symmetry locates two first arcs between and just the right side arc and the jack is located the top of two side of first arcs, the jack is located the top of two side top of second arcs is located respectively.

2. The pipe deformation repair apparatus of claim 1, wherein the locking structure is a detent adapted to snap-fit a radial end of the second arcuate plate.

3. The pipe deformation repair apparatus of claim 2, wherein the locking structure comprises a locking arcuate plate fixedly disposed on an inner wall of an end portion of the first arcuate plate, a radius of an arc of a radially outer wall of the locking arcuate plate corresponds to a radius of an arc of a radially inner wall of the first arcuate plate, an end portion of the locking arcuate plate extends out of a corresponding side end portion of the first arcuate plate where the locking arcuate plate is disposed, the corresponding side end portions of the first arcuate plate and the second arcuate plate are inclined surfaces adapted to mate, and the locking arcuate plate and an end inclined surface of the first arcuate plate where the locking arcuate plate is disposed form a clamping groove adapted to clamp an inclined surface end portion of the second arcuate plate on a corresponding side.

4. The pipe deformation repair apparatus according to claim 3, wherein the radial both ends of the second arc plate are inclined surfaces inclined from the inside to the outside and from the end direction to the middle direction thereof, respectively, and the radial both ends of the first arc plate are inclined surfaces inclined from the inside to the outside and from the middle direction thereof to the end direction thereof, respectively.

5. The pipe deformation repair apparatus of claim 1, wherein a middle portion of the radially outer wall of the second arcuate plate is fixedly connected with an inner wall of the rubber ring on the corresponding side.

6. The pipe deformation repair apparatus of claim 1, wherein the central angle of the first arcuate plate is less than 180 °.

7. The pipe deformation repair apparatus of claim 1, wherein the first arcuate plate and the second arcuate plate are each stainless steel plates.

8. The pipe deformation repair apparatus according to any one of claims 1 to 7, wherein the jack is provided with left and right lateral pushing members, pushing ends of the left and right lateral pushing members respectively abutting against inner walls of the second arcuate plates on the respective sides.

9. The pipeline deformation repair device according to claim 8, wherein wheels are respectively arranged at the front end and the rear end of the base of the jack, the deformation device is sleeved on the jack between the front wheel and the rear wheel, or the jack is fixedly arranged on a trolley with wheels at the front end and the rear end, and the deformation device is sleeved on the jack between the front wheel and the rear wheel and the trolley body.

10. The pipe deformation repair apparatus of claim 9, wherein the repair device is secured to the jack or the jack and trolley body by fiber tape wrapping.