CN111536365A - Concrete conveying pipe repairing device and repairing method - Google Patents
Concrete conveying pipe repairing device and repairing method Download PDFInfo
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- CN111536365A CN111536365A CN202010220958.7A CN202010220958A CN111536365A CN 111536365 A CN111536365 A CN 111536365A CN 202010220958 A CN202010220958 A CN 202010220958A CN 111536365 A CN111536365 A CN 111536365A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000008439 repair process Effects 0.000 claims abstract description 60
- 230000008602 contraction Effects 0.000 claims abstract description 24
- 230000007547 defect Effects 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 62
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 230000002950 deficient Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
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Abstract
The invention relates to the field of pipeline repair, in particular to a concrete conveying pipe repair device and a repair method, wherein the concrete conveying pipe repair device comprises a repair lining ring, the repair lining ring comprises a plurality of lining sections which are connected end to end and an articulated shaft arranged between the lining sections, the articulated shaft is used for connecting two adjacent lining sections, the repair lining ring comprises a contraction state support and a repair state, when the pipeline lining ring is in the contraction state or is contracted to the contraction state from the repair state, the two adjacent lining sections are relatively bent, and when the repair lining ring is expanded to the repair state from the contraction state, the repair lining ring is abutted to the deformation, collapse and defect positions of the concrete conveying pipe to repair the concrete conveying pipe; the invention carries out intermittent rotary motion, so that the expanding lining section can cover 360 degrees, and the repairing work can be carried out aiming at concrete pipelines with different inner diameters and different repairing positions.
Description
Technical Field
The invention relates to the field of pipeline repair, in particular to a concrete conveying pipe repair device and a repair method.
Background
The pumping concrete machinery in engineering construction is the turnover equipment with the largest use amount in engineering construction operation, the construction efficiency can be greatly improved by using the equipment, but due to frequent disassembly and assembly, the equipment is influenced by factors such as external impact and collision, and under the condition of long-term use, the conveying pipeline of the pumping concrete machinery can be deformed such as sunken and bent, so that the conveying resistance is increased, the conveying efficiency is reduced, and even part of the conveying pipeline has to be scrapped in advance due to sunken and bent. At present, the concrete conveying pipe which generates bending and concave deformation is externally corrected by adopting a manual repair method, namely, the concave deformation part is repaired by a repair welding method after being locally cut, and the bent conveying pipe is straightened from the outside of the pipe. The repairing method is only suitable for concrete conveying pipes with small deformation, the accuracy is difficult to guarantee, the conveying pipes with large bending deformation and regional depression are difficult to repair, the maintainability degree is not high, the repairing method is only suitable for adjusting the small deformation, the efficiency is low, the repairing quality index is low, the repairability rate is low, the conveying pipes with secondary deformation cannot be repaired, and the service life, the utilization efficiency and the continuous use effect of the conveying pipes are influenced.
Chinese patent CN200820077294.8 discloses a concrete conveying pipe repairing device, which comprises a frame and a hydraulic system assembled on the frame, wherein the end part of a hydraulic plunger is assembled with a plunger head matched with the inner diameter of a conveying pipe, paired positioning holes are arranged on the frame, positioning insertion rods are assembled in the positioning holes, a pipe position of the repaired conveying pipe is formed between the positioning insertion rods, and the axis of the pipe position corresponds to the axis of the plunger head. The conveying pipes which are bent and sunken in various degrees can be repaired, the utilization efficiency of the conveying pipes is improved, and the service life of the conveying pipes is prolonged. The structure is reasonable, the device is suitable for workshop maintenance and construction site mobile operation, the operation is convenient, the environmental suitability is strong, and the device can be used for repairing other similar pipelines.
The utility model provides a concrete conveying pipe, the concrete conveying pipe is including the plunger head of hydraulic pressure plunger tip configuration and concrete conveying pipe internal diameter assorted among this prosthetic devices, the plunger head is the direct action work piece of restoreing the concrete conveying pipe, hydraulic pressure plunger provides hydraulic pressure kinetic energy and round trip for the plunger head is from inside restoration concrete conveying pipe, the plunger head of different diameters is changed to the accessible, rectify the concrete conveying pipe of different defect degrees, to sunken and the great concrete conveying pipe of crookedness, then can be by the plunger head of small to big change different diameters in proper order, and then progressively correct the deformation defect of conveyer pipe. The vertical positioning inserted rods are assembled in the positioning holes, a pipe position of the repaired conveying pipe is formed between every two transverse vertical positioning inserted rods, the axis of the pipe position corresponds to the axis of the plunger head, and the axis of the pipe position and the axis of the plunger head are preferably on the same axis. The vertical positioning inserted bar is made of square steel, the vertical positioning inserted bar is provided with a transverse through hole, the transverse positioning inserted bar can be inserted into the transverse through hole, the transverse positioning inserted bar is provided with a plurality of groups, the inserted bar enables the horizontal direction of the repaired delivery pipe to be positioned, and the vertical positioning inserted bar and the transverse positioning inserted bar inserted into the transverse through hole are used for clamping and fixing the repaired concrete delivery pipe. When the concrete delivery pipe is used, the plunger heads are repeatedly replaced according to different requirements of the inner diameter of the concrete delivery pipe, and the corresponding plunger heads need to be bound according to the inner diameter of the concrete delivery pipe, so that the repairing cost and the repairing time are undoubtedly increased.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a concrete conveying pipe repairing device and a repairing method, the technical scheme solves the problem that the existing repairing device cannot be suitable for concrete conveying pipes with different inner diameters, and the repairing device and the repairing method perform intermittent rotary motion, so that an expanding lining section can cover 360 degrees, and the repairing device and the repairing method can perform repairing work aiming at concrete pipes with different inner diameters and different repairing positions.
In order to solve the technical problems, the invention provides the following technical scheme:
provided is a concrete delivery pipe repairing device including:
the repairing lining ring comprises a plurality of lining sections which are connected end to end and a hinge shaft arranged between the lining sections, the hinge shaft is used for connecting two adjacent lining sections, the repairing lining ring comprises a contraction state support and a repairing state, when the pipeline lining ring is in the contraction state or is contracted to the contraction state from the repairing state, the two adjacent lining sections are relatively bent, and when the repairing lining ring is expanded to the repairing state from the contraction state, the repairing lining ring is abutted against the deformation, collapse and defect positions of the concrete conveying pipe to repair the concrete conveying pipe;
the folding and unfolding mechanism is arranged inside the repairing lining ring and drives the repairing lining ring to be unfolded from a folded state to a repaired state.
As a preferable scheme of the concrete conveying pipe repairing device, the repairing lining ring is composed of the lining segments, the central angle of each lining segment is 30 degrees, the lining segments are in a fan-ring shape, and the inner diameters of the lining segments are equal to each other, and the outer diameters of the lining segments are equal to each other.
As a preferred scheme of the concrete conveying pipe repairing device, the lining section comprises a first lining section and a second lining section, wherein two ends of the first lining section are respectively provided with a first inner recess, the two first inner recesses are arranged on the same end surface of the first lining section and are positioned on the inner side of the first lining section close to the circle center, a first movable sleeve is arranged on the first inner recesses, the first movable sleeve is sleeved with the articulated shaft, two ends of the second lining section are respectively provided with a second inner recess and a second outer recess, the first inner recess and the second outer recess are arranged on two opposite end surfaces of the second lining section, the second recess is positioned on the inner side of the second lining section close to the circle center, the second outer recess is positioned on the outer side of the second lining section far away from the circle center, the second inner recess and the second outer recess are respectively provided with a second movable sleeve, the second movable sleeve is sleeved with the articulated shaft, the first inner recesses at two ends of the first lining section are respectively hinged with a second lining section, one end of the second lining section is hinged with the first lining section, and the other end of the second lining section is hinged with the other second lining section.
As a preferable scheme of the concrete conveying pipe repairing device, the repairing lining ring further comprises a supporting spring and an expanding lining section, the supporting spring is arranged on the outer end face, away from the central angle, of each first lining section, one end of each supporting spring is connected with the corresponding first lining section, the other end of each supporting spring is connected with the corresponding expanding lining section, and each expanding lining section is in a fan-ring shape.
As a preferable scheme of the concrete conveying pipe repairing device, the central angle of the expanding liner section is 30-60 degrees.
As a concrete conveying pipe prosthetic devices's an preferred scheme, receive and expand mechanism including receive and expand base, sharp lead screw slip table, connecting axle, supporting seat and telescoping cylinder, it has to support on the base to receive and expand the base sharp lead screw slip table, sharp lead screw slip table carry out elevating movement on receiving and expanding the base, and sliding connection has on the sharp lead screw slip table, be equipped with on the lead screw slip table connecting axle, the one end tip of connecting axle is equipped with the supporting seat, the circumference distributes on the supporting seat has four mounting grooves, every one is installed to the mounting groove the telescoping cylinder, the output shaft of telescoping cylinder has the receipts and expands the cushion, receives and expands the articulated butt between cushion and two second lining sections.
The concrete conveying pipe repairing device further comprises a rotating mechanism, wherein the rotating mechanism is arranged at the side part of the repairing lining ring and drives the repairing lining ring to rotate around the circle center of the first lining segment.
As a preferred scheme of the concrete conveying pipe repairing device, the rotating mechanism comprises a walking trolley, a hydraulic jacking assembly, a fixed sleeve, a telescopic rod, a driving shell, a cooling fan, a Martian intermittent motion assembly, a rotating support frame and a sliding block, wherein the hydraulic jacking assembly is arranged on the walking trolley, an output shaft of the hydraulic jacking assembly is connected with the driving shell, the cooling fan is arranged on the driving shell, at least one fixed sleeve is arranged on the walking trolley, the telescopic rod is connected in the fixed sleeve in a sliding manner, the telescopic rod extends out of the fixed sleeve, one end part of the telescopic rod extending out of the fixed sleeve is connected with the bottom end of the driving shell, the Martian intermittent motion assembly is arranged in the driving shell, the output end of the Martian intermittent motion assembly is connected with the rotating support frame, and the, the circle center of the outer sleeve and the circle center of the first lining section are coaxially arranged, four supporting rods are circumferentially distributed on the outer wall of the outer sleeve, one sliding block is connected to each supporting rod in a sliding mode, the sliding block is arranged at the hinged position between the two second lining sections and hinged to the two second lining sections.
As a preferred scheme of concrete conveying pipe prosthetic devices, the Mardi intermittent motion subassembly includes driving motor, speed reducer, driving gear, driven plate, gap wheel, stirs the pin, the Mardi cross, first connecting axle and second connecting axle, is equipped with in the drive shell driving motor, driving motor's output is connected with the speed reducer, and the output of speed reducer is connected with the driving gear, driving gear meshing have the driven gear, driven gear cover is established on the first connecting axle, and first connecting axle rotates with drive shell inner wall through the bearing frame that sets up in drive shell to be connected, still overlaps on the first connecting axle to be equipped with the driven plate, is equipped with on the driven plate the gap wheel, and the gap wheel has a breach, and the eccentric being equipped with on the driven plate stir the pin, stir the pin and be located the outside of breach, the lateral part of gap wheel is equipped with the Mardi cross, circumference distribution has four arcs sunken on the Mardi cross, the arc is sunken to be taken turns the phase-match with the gap, and sliding contact, is equipped with the spout between two adjacent arcs sunken, stirs the pin and slides in the spout, and the Mardi cross is fixed on the second connecting axle, the one end tip cover that the Mardi cross was kept away from to the second connecting axle is established in the outer sleeve, and the drive shell inner wall is equipped with rotates the seat, it is equipped with the second connecting axle to rotate the cover on the seat, and the second connecting axle rotates with the rotation seat and is connected.
The invention also provides a repairing method of the concrete conveying pipe repairing device, which comprises the following steps:
conveying the repairing lining ring in the contracted state to a repairing position of a concrete conveying pipe to be repaired;
starting the folding and unfolding mechanism, driving the repairing lining ring to be unfolded from the folded state to the repaired state when the folding and unfolding mechanism works, supporting the repairing lining ring from the interior of the concrete conveying pipe, unfolding the repairing lining ring to the shape matched with the concrete conveying pipe, and repairing the deformed, collapsed and defective parts of the concrete conveying pipe;
starting the rotating mechanism, driving the shell to drive the repair lining ring connected with the rotating support frame to intermittently rotate by 90 degrees at a time, adjusting the position of the support spring, resetting the folding and unfolding mechanism when rotating every time, and automatically retracting the repair lining ring to a retracted state;
and during the rotating intermittent time, the folding and unfolding mechanism works, the repairing lining ring is unfolded to a repairing state again, the rotating mechanism drives the repairing lining ring to rotate continuously, the repairing lining ring retracts and unfolds intermittently, the expanding lining section is switched to the abutting position with the inner wall of the concrete conveying pipe, so that the expanding lining section can cover 360 degrees, and the repairing work can be carried out on concrete pipelines with different inner diameters and different repairing positions.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the repairing lining ring in a contraction state is conveniently conveyed to the repairing position of the concrete conveying pipe to be repaired, then, the folding and unfolding mechanism is started, the repairing lining ring is driven to be unfolded from the contraction state to the repairing state when the folding and unfolding mechanism works, the repairing lining ring supports the repairing lining ring from the inside of the concrete conveying pipe, the repairing lining ring is unfolded to the shape matched with the concrete conveying pipe, and the repairing lining ring can be used for repairing the deformed, collapsed and defective positions of the concrete conveying pipe. And then the rotating mechanism works, the shell is driven to drive the repair lining ring connected with the rotating support frame to rotate for 90 degrees at a time for intermittent rotation, the position of the support spring is adjusted, the folding and unfolding mechanism resets when rotating every time, the repair lining ring can automatically retract to a retracted state, a certain intermittent time is provided between every two rotations, the folding and unfolding mechanism works during the intermittent time, the repair lining ring is unfolded to a repair state again, the repair lining ring retracts and unfolds in a clearance mode under the condition that the rotating mechanism drives the repair lining ring to rotate continuously, and in each complete retraction and unfolding stroke, the expanding lining section is switched to the abutting position with the inner wall of the concrete conveying pipe, so that the expanding lining section can cover 360 degrees, and the repair work can be carried out on concrete pipes with different inner diameters and different repair positions.
According to the repairing device and the repairing method, the repairing lining ring is switched between the contraction state and the repairing state, so that the supporting spring is in contact with the inner wall of the concrete conveying pipe to be repaired, the concrete conveying pipe is supported from the inside of the pipeline, the supporting spring is in a shape matched with the pipeline to be repaired, the deformed and collapsed part is extruded to restore the original shape, the normal flow capacity of the pipeline is restored, the construction is simple and convenient, complex construction equipment is not needed, and the effect is better. Because the position of the expanding lining section relative to the first lining section can be changed, the expanding lining section is driven by the rotating mechanism to perform intermittent rotating motion, and the expanding lining section is switched to the abutting position with the inner wall of the concrete conveying pipe, so that the expanding lining section can cover 360 degrees, and the repairing work can be performed on concrete pipelines with different inner diameters and different repairing positions.
Drawings
FIGS. 1 and 2 are schematic views of the present invention from two different perspectives;
FIG. 3 is an enlarged schematic view at A in FIG. 1;
FIG. 4 is a schematic view of the construction of the repair collar of the present invention;
FIG. 5 is a schematic view of the first and second liner segments of the present invention in their mated condition;
FIG. 6 is a schematic view of the structure at a first segment of the present invention;
FIG. 7 is a schematic view of the structure at a second stage of the present invention;
FIG. 8 is a schematic view of the interior of the drive housing of the present invention;
figure 9 is a schematic view of the structure of the maltese clearance movement assembly of the present invention;
FIG. 10 is a schematic view of the present invention showing a rotary stand;
FIG. 11 is a flow chart of the repair method of the present invention.
The reference numbers in the figures are:
1-repairing a liner; 1 a-a first liner segment; 1a1 — first inner recess; 1a 2-first active set; 1 b-a second liner segment; 1b1 — second inner recess; 1b2 — second outer recess; 1b 3-a second active set; 1 c-a hinge axis; 1 d-a support spring; 1 e-an expanded diameter liner section;
2-a folding and unfolding mechanism; 2 a-a base for folding and unfolding; 2 b-a linear screw rod sliding table; 2 c-screw slide bench seat; 2 d-connecting shaft; 2 e-a support base; 2 f-a telescopic cylinder; 2 g-folding and unfolding the cushion block;
3-a rotating mechanism; 3 a-a walking trolley; 3 b-a hydraulic jacking assembly; 3 c-a fixed sleeve; 3 d-a telescopic rod; 3 e-a drive housing; 3e 1-rotating seat; 3e 2-bearing seat; 3 f-a heat dissipation fan; 3 g-a drive motor; 3 h-a speed reducer; 3 i-a driving gear; 3 j-driven gear; 3 k-driven disk; 3 l-notched wheel; 3 m-poking the pin; 3 n-Mardi cross; 3n 1-arc shaped recess; 3n 2-chute; 3 o-first connecting shaft; 3 p-second connecting shaft; 3 q-rotating the support frame; 3q1 — outer sleeve; 3q 2-support bar; 3 r-sliding block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and 2, the repairing apparatus includes:
the repairing lining ring 1 comprises a plurality of lining sections which are connected end to end and a hinge shaft 1c arranged between the lining sections, wherein the hinge shaft 1c is used for connecting two adjacent lining sections, the repairing lining ring 1 comprises a contraction state support and a repairing state, when the pipeline lining ring is in the contraction state or is contracted to the contraction state from the repairing state, the two adjacent lining sections are relatively bent, and when the repairing lining ring 1 is expanded to the repairing state from the contraction state, the repairing lining ring is abutted to the deformation, collapse and defect positions of the concrete conveying pipe to repair the concrete conveying pipe;
the folding and unfolding mechanism 2 is arranged inside the repairing lining ring 1, the folding and unfolding mechanism 2 drives the repairing lining ring 1 to be unfolded from a folded state to a repairing state, and meanwhile the folding and unfolding mechanism 2 provides supporting force for keeping the repairing lining ring 1 in the repairing state, so that the repairing lining ring 1 is continuously kept in the repairing state to perform repairing work.
The repair lining ring 1 in the contraction state is convenient to be conveyed to the repair position of the concrete conveying pipe to be repaired, when the repair lining ring 1 is used, the contraction and expansion mechanism 2 drives the repair lining ring 1 to be unfolded from the contraction state to the repair state, the repair lining ring 1 supports the concrete conveying pipe from the inside of the concrete conveying pipe, the repair lining ring 1 is unfolded to the shape matched with the concrete conveying pipe, and the repair lining ring 1 can be used for repairing the deformation, collapse and defect positions of the concrete conveying pipe. The original conveying capacity of the concrete conveying pipe is recovered, and the construction process is simple, convenient and quick.
Specifically, referring to fig. 4, the repair liner 1 is composed of 12 liner segments, each having a central angle of 30 °, and the concrete pipe is a circular pipe, so that the liner segments are designed in a fan-ring shape, and have the same inner diameter and outer diameter.
Referring to fig. 5, 6 and 7, the liner segment includes a first liner segment 1a and a second liner segment 1b, both ends of the first liner segment 1a are provided with a first inner recess 1a1, two first inner recesses 1a1 are disposed on the same end surface of the first liner segment 1a and are located on the inner side of the first liner segment 1a near the center of the circle, the first inner recess 1a1 is provided with a first movable sleeve 1a2, the first movable sleeve 1a2 is sleeved with a hinge shaft 1c, both ends of the second liner segment 1b are respectively provided with a second inner recess 1b1 and a second outer recess 1b2, the first inner recess 1a1 and the second outer recess 1b2 are disposed on the two opposite end surfaces of the second liner segment 1b, wherein the second inner recess 1b1 is located on the inner side of the second liner segment 1b near the center of the circle, the second recess 1b2 is located on the outer side of the second liner segment 1b far from the center of the circle, the second liner segment 631 b is provided with a second inner recess 1b and a 3 and a second inner recess 5391 b and a 3 are disposed on the second movable sleeve 6851 b, the second movable sleeve 1b3 is sleeved with a hinge shaft 1c, the first inner recesses 1a1 at the two ends of the first lining section 1a are respectively hinged with a second lining section 1b, one end of the second lining section 1b is hinged with the first lining section 1a, and the other end of the second lining section 1b is hinged with another second lining section 1 b. The repair lining ring 1 in the contracted state is convenient to be conveyed to the repair position of the concrete conveying pipe to be repaired, when the repair lining ring 1 is in the expanded state, each first lining section 1a and each second lining section 1b are expanded and can be well attached to the inner wall of the concrete conveying pipe, and therefore the repair lining ring 1 can firmly support the concrete feeding gate.
Referring to fig. 4, the repair liner 1 further includes a support spring 1d and an expanding liner section 1e, the outer end face of each first liner section 1a away from the central angle is provided with the support spring 1d, one end of the support spring 1d is connected with the first liner section 1a, the other end of the support spring 1d is connected with the expanding liner section 1e, and the expanding liner section 1e is in a fan-ring shape. Because the inner diameter of the concrete conveying pipe to be repaired is uncertain, in order to enable the repairing device to meet the repairing work of the concrete conveying pipes with different inner diameters, an expanding lining section 1e is arranged, the expanding lining section 1e is connected to a first lining section 1a through a supporting spring 1d, and the supporting spring 1d is arranged, so that the outward expansion degree of the expanding lining section 1e relative to the first lining section 1a at the installation position of the expanding lining section can be adjusted, and the expanding lining section can be matched with the concrete conveying pipes with different inner diameters.
In the embodiment, the central angle of the expanding liner section 1e is 30-60 degrees, so that the expanding liner section 1e can be well attached to the inner wall of the concrete conveying pipe in each state of being extruded.
The folding and unfolding mechanism 2 comprises a folding and unfolding base 2a, a linear screw rod sliding table 2b, a screw rod sliding table seat 2c, a connecting shaft 2d, a supporting seat 2e and a telescopic cylinder 2f, the folding and unfolding base 2a is supported by the linear screw rod sliding table 2b, the linear screw rod sliding table 2b performs lifting motion on the folding and unfolding base 2a, the linear screw rod sliding table 2b is connected with the screw rod sliding table seat 2c in a sliding mode, the screw rod sliding table seat 2c is provided with the connecting shaft 2d, one end portion of the connecting shaft 2d is provided with the supporting seat 2e, four mounting grooves are circumferentially distributed on the supporting seat 2e, one telescopic cylinder 2f is installed in each mounting groove, and an output shaft of the telescopic cylinder 2. The folding and unfolding cushion block 2g is abutted with the hinged part between the two second liner segments 1 b. When the telescopic cylinder 2f works, the folding and unfolding cushion block 2g is driven to abut against the hinged part between the two second lining sections 1b, force is applied to the hinged part between the two second lining sections 1b, the two corresponding second lining sections 1b are unfolded, and the repairing lining ring 1 is unfolded under the combined action of the four telescopic cylinders 2f with the included angles of 90 degrees. When the position of the repair lining ring 1 is fixed, the folding and unfolding base 2a is conveyed to the inside of the concrete conveying pipe and is positioned at the side part of the repair lining ring 1, the height of the linear screw rod sliding table 2b is adjusted, so that the connecting shaft 2d is positioned at the center of the circle of the first lining section 1a and is coaxial, and the supporting seat 2e and the telescopic cylinder 2f are conveyed to the inside of the repair lining ring 1 through the linear screw rod sliding table 2 b.
Referring to fig. 1 and 2, the repairing device further includes a rotating mechanism 3, the rotating mechanism 3 is disposed at a side portion of the repairing liner 1, and the rotating mechanism 3 drives the repairing liner 1 to rotate around a center of the first liner segment 1 a.
Referring to fig. 1, 2, 3 and 10, the rotating mechanism 3 includes a walking trolley 3a, a hydraulic jacking assembly 3b, a fixed sleeve 3c, a telescopic rod 3d, a driving shell 3e, a heat dissipation fan 3f, a maltese intermittent motion assembly, a rotating support frame 3q and a sliding block 3r, the walking trolley 3a is provided with the hydraulic jacking assembly 3b, an output shaft of the hydraulic jacking assembly 3b is connected with the driving shell 3e, the driving shell 3e is provided with the heat dissipation fan 3f, the walking trolley 3a is provided with at least one fixed sleeve 3c, the fixed sleeve 3c is connected with the telescopic rod 3d in a sliding manner, the telescopic rod 3d extends out of the fixed sleeve 3c, one end part extending out of the fixed sleeve 3c is connected with the bottom end of the driving shell 3e, the maltese intermittent motion assembly is arranged in the driving shell 3e, and the output end of the maltese, the rotary support frame 3q comprises an outer sleeve 3q1 and a support rod 3q2, the circle center of the outer sleeve 3q1 is coaxial with the circle center of the first lining section 1a, four support rods 3q2 are circumferentially distributed on the outer wall of the outer sleeve 3q1, a sliding block 3r is connected to each support rod 3q2 in a sliding mode, the sliding block 3r is arranged at the hinged position between the two second lining sections 1b, and the sliding block 3r and the two second lining sections 1b are hinged. Adjust the working height of drive shell 3e through hydraulic pressure jacking subassembly 3b, the setting of telescopic link 3d can the stable support drive shell 3e, the interior maltese intermittent motion subassembly during operation of drive shell 3e, drive rotatory support frame 3q with the rotatory 90 intermittent type rotations that carry on of single, when rotatory at every turn, receive and unfold mechanism 2 and reset, restore the interior lining ring 1 and can retract to the shrink state automatically, certain intermittent time has between rotatory at every turn, during the intermittent time, receive and unfold mechanism 2 work, prop up restoration lining ring 1 to the restoration state again. Namely, when the repairing device works, the folding and unfolding mechanism 2 drives the repairing lining ring 1 to be unfolded, the supporting spring 1d is extruded to be abutted against the inner wall of the concrete conveying pipe at the corresponding position to repair the position, then the rotating mechanism 3 works, the driving shell 3e drives the repairing lining ring 1 connected with the rotating support frame 3q to rotate intermittently at 90 degrees in a single rotation, the position of the supporting spring 1d is adjusted, the folding and unfolding mechanism 2 resets when rotating every time, the repairing lining ring 1 automatically retracts to a retracted state, a certain intermittent time is provided between every two rotations, the folding and unfolding mechanism 2 works during the intermittent time, the repairing lining ring 1 is unfolded to be repaired again, and under the condition that the rotating mechanism 3 drives the repairing lining ring 1 to rotate continuously, the repairing lining ring 1 retracts and unfolds interstitially, and is further retracted and unfolded in each complete stroke, the supporting spring 1d is switched to abut against the inner wall of the concrete conveying pipe, so that the supporting spring 1d can cover 360 degrees, and the concrete conveying pipe can be repaired according to different inner diameters and different repairing positions.
The malti intermittent motion assembly comprises a driving motor 3g, a speed reducer 3h, a driving gear 3i, a driven gear 3j, a driven disc 3k, a notch wheel 3l, a toggle pin 3m, a malti cross 3n, a first connecting shaft 3o and a second connecting shaft 3p, and the driving motor 3g is arranged in a driving shell 3 e. The output end of a driving motor 3g is connected with a speed reducer 3h, the output end of the speed reducer 3h is connected with a driving gear 3i, the driving gear 3i is meshed with a driven gear 3j, the driven gear 3j is sleeved on a first connecting shaft 3o, the first connecting shaft 3o is rotatably connected with the inner wall of the driving shell 3e through a bearing seat 3e2 arranged in the driving shell 3e, a driven disc 3k is further sleeved on the first connecting shaft 3o, a notch wheel 3l is arranged on the driven disc 3k, the notch wheel 3l is provided with a notch, a poking pin 3m is eccentrically arranged on the driven disc 3k, the poking pin 3m is positioned at the outer side of the notch, a Martih cross 3n is arranged at the side part of the notch wheel 3l, four arc-shaped recesses 3n 3942 are distributed on the circumference of the Martih cross 3n, the arc-shaped recesses 3n 32 are matched with the notch wheel 3l and are in sliding contact, a chute 3n, the toggle pin 3m slides in the sliding groove 3n2, the Mardi cross 3n is fixed on the second connecting shaft 3p, one end part, far away from the Mardi cross 3n, of the second connecting shaft 3p is sleeved in the outer sleeve 3q1, the inner wall of the driving shell 3e is provided with a rotating seat 3e1, the rotating seat 3e1 is sleeved with the second connecting shaft 3p, and the second connecting shaft 3p is rotatably connected with the rotating seat 3e 1. Driving motor 3g during operation, drive driving gear 3i through speed reducer 3h and rotate, driving gear 3i rotates, when driving gear 3i rotates, drive rather than the driven gear 3j of meshing when rotating, and when driven gear 3j rotates, driven plate 3k also can be along with rotating together, when driven plate 3k rotates, stir pin 3m and can slide on one of them spout 3n2 on the malti cross 3n, borrow simultaneously by the sunken 3n1 of arc and the sliding contact of notch wheel 3l, under stirring of stirring pin 3m, carry out the intermittent type formula of single rotation 90 and rotatory, the breach on the notch wheel 3l has formed and has kept away the mouth, make the malti cross 3n can rotate. When the malti cross 3n rotates, the second connecting shaft 3p can also rotate together, and then the rotating support frame 3q connected with the second connecting shaft 3p is driven to rotate, namely the repairing lining ring 1 is driven to rotate in an interval manner.
Referring to fig. 11, the repairing method of the repairing apparatus includes the following steps;
s100) conveying the repairing lining ring 1 in the contracted state to a repairing position of a concrete conveying pipe to be repaired;
s200) starting the folding and unfolding mechanism 2, driving the repairing lining ring 1 to be unfolded from a folded state to a repaired state when the folding and unfolding mechanism 2 works, supporting the repairing lining ring 1 from the interior of the concrete conveying pipe, unfolding the repairing lining ring 1 to a shape matched with the concrete conveying pipe, and repairing the deformed, collapsed and defective parts of the concrete conveying pipe;
s300) starting the rotating mechanism 3, driving the shell 3e to drive the repairing lining ring 1 connected with the rotating support frame 3q to intermittently rotate by 90 degrees in a single rotation, adjusting the position of the support spring 1d, resetting the folding and unfolding mechanism 2 when rotating every time, and automatically retracting the repairing lining ring 1 to a retracted state;
s400) during the rotation intermittence time, the folding and unfolding mechanism 2 works to unfold the repairing lining ring 1 to a repairing state again, the rotating mechanism 3 drives the repairing lining ring 1 to rotate continuously, the repairing lining ring 1 retracts and unfolds in a clearance mode, and the expanding lining section 1e is switched to be abutted against the inner wall of the concrete conveying pipe, so that the expanding lining section 1e can cover 360 degrees and can repair concrete pipelines with different inner diameters and different repairing positions.
The working principle of the invention is as follows: firstly, the repairing lining ring 1 in a contracted state is conveniently conveyed to the repairing position of a concrete conveying pipe to be repaired, then, the folding and unfolding mechanism 2 is started, the repairing lining ring 1 is driven to be unfolded from the contracted state to the repairing state when the folding and unfolding mechanism 2 works, the repairing lining ring 1 supports the repairing lining ring from the inside of the concrete conveying pipe, the repairing lining ring 1 is unfolded to a shape matched with the concrete conveying pipe, and the repairing work can be carried out on the deformed, collapsed and defective positions of the concrete conveying pipe. Then the rotating mechanism 3 works, the driving shell 3e drives the repair lining ring 1 connected with the rotating support frame 3q to rotate intermittently by 90 degrees in a single rotation, the position of the support spring 1d is adjusted, when the repairing lining ring 1 rotates each time, the folding and unfolding mechanism 2 resets, the repairing lining ring 1 automatically retracts to a retracted state, a certain interval time is provided between each rotation, during the intermittent time, the folding and unfolding mechanism 2 works to unfold the repair lining ring 1 to the repair state again, and the repair lining ring 1 retracts and unfolds in clearance under the condition that the rotary mechanism 3 drives the repair lining ring 1 to rotate continuously, and in each complete retraction and expansion stroke, the expanding liner section 1e is switched to the abutting position with the inner wall of the concrete conveying pipe, the expanding liner section 1e can cover 360 degrees, and the repairing work can be carried out aiming at concrete pipelines with different inner diameters and different repairing positions.
According to the repairing device and the repairing method, the repairing lining ring 1 is switched between the contraction state and the repairing state, so that the supporting spring 1d is in contact with the inner wall of the concrete conveying pipe to be repaired, the concrete conveying pipe is supported from the inside of the pipeline and is expanded to be in a shape matched with the pipeline to be repaired, the deformed and collapsed part is extruded to restore the original shape, the normal flow capacity of the pipeline is restored, the construction is simple and convenient, complex construction equipment is not needed, and the effect is good. Because the position of the expanded diameter lining section 1e relative to the first lining section 1a can be changed, the expanded diameter lining section 1e performs intermittent rotary motion under the drive of the rotating mechanism 3, and the expanded diameter lining section 1e is switched to the abutting position with the inner wall of the concrete conveying pipe, so that the expanded diameter lining section 1e can cover 360 degrees and can perform repairing work aiming at concrete pipelines with different inner diameters and different repairing positions.
Claims (10)
1. A concrete conveying pipe prosthetic devices, characterized by, includes:
the repairing lining ring (1) comprises a plurality of lining sections which are connected end to end and an articulated shaft (1c) arranged between the lining sections, wherein the articulated shaft (1c) is used for connecting two adjacent lining sections, the repairing lining ring (1) comprises a contraction state support and a repairing state, when the pipeline lining ring is in the contraction state or is contracted to the contraction state from the repairing state, the two adjacent lining sections are relatively bent, and when the repairing lining ring (1) is expanded to the repairing state from the contraction state, the repairing lining ring is abutted to the deformation, collapse and defect positions of the concrete conveying pipe to repair the concrete conveying pipe;
the folding and unfolding mechanism (2) is arranged inside the repairing lining ring (1), and the folding and unfolding mechanism (2) drives the repairing lining ring (1) to be unfolded from a folded state to a repaired state.
2. A concrete pipe repair device according to claim 1, characterized in that said repair collar (1) is composed of 12 said lining segments, each having a central angle of 30 °, the lining segments being in the shape of a sector of a ring and having an inner diameter equal to each other and an outer diameter equal to each other.
3. The concrete conveying pipe repairing device according to claim 2, wherein the lining segment comprises a first lining segment (1a) and a second lining segment (1b), two ends of the first lining segment (1a) are respectively provided with a first inner recess (1a1), two first inner recesses (1a1) are arranged on the same end surface of the first lining segment (1a) and are positioned at the inner side of the first lining segment (1a) close to the center of a circle, a first movable sleeve (1a2) is arranged on the first inner recess (1a1), the first movable sleeve (1a2) is sleeved with the hinge shaft (1c), two ends of the second lining segment (1b) are respectively provided with a second inner recess (1b1) and a second outer recess (1b2), the first inner recess (1a1) and the second outer recess (1b2) are arranged at two opposite end surfaces of the second lining segment (1b), and the second inner recess (1b) 2) is positioned at the inner side of the second lining segment (1), the second outer recess (1b2) is located the outside that centre of a circle department was kept away from to second lining section (1b), all is equipped with second movable sleeve (1b3) on second inner recess (1b1) and the second outer recess (1b2), the cover is equipped with articulated shaft (1c) on second movable sleeve (1b3), and first inner recess (1a1) in first lining section (1a) both ends articulates respectively has a second lining section (1b), and the one end of second lining section (1b) articulates has first lining section (1a), and the other end of second lining section (1b) articulates has another second lining section (1 b).
4. A concrete conveying pipe repairing device according to claim 3, characterized in that the repairing lining ring (1) further comprises a supporting spring (1d) and an expanding lining section (1e), the supporting spring (1d) is arranged on the outer end face of each first lining section (1a) far away from the central angle, one end of the supporting spring (1d) is connected with the first lining section (1a), the other end of the supporting spring (1d) is connected with the expanding lining section (1e), and the expanding lining section (1e) is in a fan-ring shape.
5. A concrete pipe rehabilitation apparatus according to claim 4, wherein the central angle of the expanded-diameter liner section (1e) is 30-60 °.
6. The concrete conveying pipe repairing device according to claim 5, wherein the folding and unfolding mechanism (2) comprises a folding and unfolding base (2a), a linear screw rod sliding table (2b), a screw rod sliding table seat (2c), a connecting shaft (2d), a supporting seat (2e) and a telescopic cylinder (2f), the linear screw rod sliding table (2b) is supported on the folding and unfolding base (2a), the linear screw rod sliding table (2b) performs lifting motion on the folding and unfolding base (2a), the screw rod sliding table seat (2c) is connected on the linear screw rod sliding table (2b) in a sliding manner, the connecting shaft (2d) is arranged on the screw rod sliding table seat (2c), the supporting seat (2e) is arranged at one end part of the connecting shaft (2d), four mounting grooves are circumferentially distributed on the supporting seat (2e), one mounting groove (2f) is installed on each supporting seat, an output shaft of the telescopic cylinder (2f) is connected with a folding and unfolding cushion block (2g), and the folding and unfolding cushion block (2g) is abutted to a hinged part between the two second lining sections (1 b).
7. A concrete conveying pipe repairing device according to claim 6, characterized by further comprising a rotating mechanism (3), wherein the rotating mechanism (3) is arranged at the side of the repairing lining ring (1), and the rotating mechanism (3) drives the repairing lining ring (1) to rotate around the circle center of the first lining section (1 a).
8. The concrete conveying pipe repairing device according to claim 7, wherein the rotating mechanism (3) comprises a walking trolley (3a), a hydraulic jacking component (3b), a fixed sleeve (3c), a telescopic rod (3d), a driving shell (3e), a cooling fan (3f), a Mardi intermittent motion component, a rotating support frame (3q) and a sliding block (3r), the hydraulic jacking component (3b) is arranged on the walking trolley (3a), an output shaft of the hydraulic jacking component (3b) is connected with the driving shell (3e), the cooling fan (3f) is arranged on the driving shell (3e), at least one fixed sleeve (3c) is arranged on the walking trolley (3a), the telescopic rod (3d) is connected in the fixed sleeve (3c) in a sliding manner, and the telescopic rod (3d) extends out of the fixed sleeve (3c), and extend the outside one end tip of fixed sleeve (3c) and be connected with the bottom of drive shell (3e), be equipped with in drive shell (3e) the maltese intermittent motion subassembly, the output of maltese intermittent motion subassembly is connected with rotating support frame (3q), rotating support frame (3q) include outer sleeve (3q1) and bracing piece (3q2), the centre of a circle of outer sleeve (3q1) and the coaxial setting of the centre of a circle of first lining section (1a), the circumference distributes on the outer wall of outer sleeve (3q1) and is equipped with four bracing piece (3q2), equal sliding connection has one on bracing piece (3q2) slider (3r), slider (3r) set up the articulated department between two second lining sections (1b), and with be articulated setting between two second lining sections (1 b).
9. The concrete conveying pipe repairing device as claimed in claim 8, wherein the martin intermittent motion assembly comprises a driving motor (3g), a speed reducer (3h), a driving gear (3i), a driven gear (3j), a driven disc (3k), a notch wheel (3l), a toggle pin (3m), a martin cross (3n), a first connecting shaft (3o) and a second connecting shaft (3p), the driving motor (3g) is arranged in a driving shell (3e), the output end of the driving motor (3g) is connected with the speed reducer (3h), the output end of the speed reducer (3h) is connected with the driving gear (3i), the driving gear (3i) is meshed with the driven gear (3j), the driven gear (3j) is sleeved on the first connecting shaft (3o), and the first connecting shaft (3o) is connected with the driving shell through a bearing seat (3e2) arranged in the driving shell (3e) (3e) The inner wall rotates to be connected, still overlaps on first connecting axle (3o) and is equipped with driven plate (3k), is equipped with on driven plate (3k) breach wheel (3l), and breach wheel (3l) have a breach, and eccentric being equipped with on driven plate (3k) stir pin (3m), stir pin (3m) and be located the outside of breach, the lateral part of breach wheel (3l) is equipped with the Mardi cross (3n), and the circumference distributes and has four arc sunken (3n1) on the Mardi cross (3n), arc sunken (3n1) and breach wheel (3l) phase-match, and sliding contact are equipped with spout (3n2) between two adjacent arc sunken (3n1), stir pin (3m) and slide in spout (3n2), and the Mardi cross (3n) are fixed on second connecting axle (3p), one end portion cover that the maldi cross (3n) was kept away from to second connecting axle (3p) is established in outer sleeve (3q1), and drive shell (3e) inner wall is equipped with rotates seat (3e1), it is equipped with second connecting axle (3p) to rotate the cover on seat (3e1), and second connecting axle (3p) rotates with rotation seat (3e1) and is connected.
10. The repairing method of the concrete conveying pipe repairing device according to claim 9, characterized by comprising the following steps:
conveying the repairing lining ring (1) in a contracted state to a repairing position of a concrete conveying pipe to be repaired;
starting the folding and unfolding mechanism (2), driving the repairing lining ring (1) to be unfolded from a contraction state to a repairing state when the folding and unfolding mechanism (2) works, supporting the repairing lining ring (1) from the interior of the concrete conveying pipe, unfolding the repairing lining ring (1) to a shape matched with the concrete conveying pipe, and repairing the deformed, collapsed and defective parts of the concrete conveying pipe;
starting the rotating mechanism (3), driving the shell (3e) to drive the repairing lining ring (1) connected with the rotating support frame (3q) to intermittently rotate by 90 degrees in a single rotation, adjusting the position of the support spring (1d), resetting the folding and unfolding mechanism (2) when rotating every time, and automatically retracting the repairing lining ring (1) to a retracted state;
during the rotating intermittent time, the folding and unfolding mechanism (2) works to unfold the repairing lining ring (1) to a repairing state again, the rotating mechanism (3) drives the repairing lining ring (1) to rotate continuously, the repairing lining ring (1) retracts and unfolds in a clearance mode, the expanding lining section (1e) is switched to the abutting position with the inner wall of the concrete conveying pipe, the expanding lining section (1e) can cover 360 degrees, and the repairing work can be carried out on concrete pipelines with different inner diameters and different repairing positions.
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| CN202010220958.7A CN111536365B (en) | 2020-03-26 | 2020-03-26 | Concrete conveying pipe repairing device and repairing method |
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| CN202010220958.7A CN111536365B (en) | 2020-03-26 | 2020-03-26 | Concrete conveying pipe repairing device and repairing method |
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Cited By (1)
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| CN112934984A (en) * | 2021-01-23 | 2021-06-11 | 北京杜根鸿运科技发展有限公司 | Circumferential prestress self-repairing spinning pipe, processing equipment and spinning pipe self-repairing method |
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| KR101715562B1 (en) * | 2016-05-19 | 2017-03-10 | 조성광 | Trenchless close-fit steel pipe replacement construction method |
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