Water plugging equipment for urban water supply pipeline maintenance

Abstract

The invention belongs to the technical field of pipes, in particular to water plugging equipment for urban water supply pipeline maintenance, and provides the following scheme that the water plugging equipment comprises a sleeve, a connecting sleeve and a water plugging mechanism, a fixing shaft is connected between the bottom of the sleeve and the top of the connecting sleeve through a bolt, and the water plugging mechanism is located at the bottom of the connecting sleeve; the positions, located at the top and the bottom, of the inner wall of the sleeve are connected with supports through bolts, a rotating mechanism is arranged between the two supports and matched with the water plugging mechanism, the water plugging mechanism is composed of a compression assembly and an elastic bag, and the elastic bag is bonded to the outer wall of the connecting sleeve. An air hole is formed in one side of the top of the elastic bag, and a guide pipe is arranged in the air hole. The equipment can be conveniently taken out from the interior of the water supply pipeline, and compared with an existing method for plugging water by using a rubber material, the equipment is more convenient to mount and take out during water plugging, so that the water plugging convenience of the equipment on the water supply pipeline is improved.

Description

Technical Field

[0001] The invention relates to the field of pipes, and in particular to a water blocking device for repairing urban water supply pipelines. Background Art

[0002] Pipes have a wide range of uses, mainly in water supply, drainage, heating, gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, hydraulic engineering and various industrial installations. Pipes are commonly used to transport water. During the construction and decoration process, water supply pipes are generally installed by buried wall method. When water supply pipes are used for a long time, they will inevitably be damaged. In order not to affect the use, the water supply pipes need to be blocked and then repaired.

[0003] After searching, the Chinese patent application with application publication number CN115163969A discloses a water blocking device for urban water supply pipeline maintenance, including a gas cylinder and a fixed tube that can be inserted into the pipeline, the end of the gas cylinder is movably connected with a movable rod, one end of the movable rod is provided with a piston, and the piston moves inside the gas cylinder, the gas cylinder is provided with a threaded hole, the threaded hole is provided with a threaded column, and the threaded column is provided with a handle, the fixed tube is fixedly installed at the end of the gas cylinder, the end of the fixed tube is provided with an elastic air bag, and the end of the gas cylinder close to the elastic air bag is provided with a clamping mechanism that can fix the gas cylinder on the pipeline. Its purpose is to solve the problem that the water blocking equipment has a large friction with the inner wall of the pipeline, which makes it difficult for maintenance personnel to insert rubber objects into the water supply pipeline, and it takes a lot of time.

[0004] When the existing equipment is used to block the water supply of the pipe, the maintenance worker inserts a rubber object into the water supply pipe to block the water supply pipe, and then repairs the water supply pipe. The rubber object has a large friction, which makes it difficult for the maintenance personnel to insert the rubber object into the water supply pipe or when it needs to be removed, part of the rubber will be stuck inside the water supply pipe due to friction and is difficult to remove. Summary of the invention

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A water blocking device for repairing urban water supply pipelines comprises a sleeve, a connecting sleeve and a water blocking mechanism, wherein a fixed shaft is connected between the bottom of the sleeve and the top of the connecting sleeve by bolts, the water blocking mechanism is located at the bottom of the connecting sleeve, the inner wall of the sleeve is connected to brackets at the top and bottom by bolts, and a rotating mechanism is arranged between the two brackets, the rotating mechanism and the water blocking mechanism are matched, the water blocking mechanism is composed of a compression assembly and an elastic bag, and the elastic bag is bonded to the outer wall of the connecting sleeve, an air hole is opened on one side of the top of the elastic bag, and a conduit is arranged inside the air hole, the conduit is made of elastic material, a one-way air inlet valve is arranged at one end of the conduit, and the compression assembly is arranged at the top of the elastic bag.

[0006] Preferably, the rotating mechanism includes a rotating rod, a rotating disk and a turning handle, and the two ends of the rotating rod are rotatably connected to the two brackets through bearings, the top of the rotating rod is welded to the bottom of the turning disk, and one side of the top of the turning disk is fixedly connected to the bottom of the turning handle.

[0007] Preferably, the compression assembly includes a compression cylinder, a piston plate, a push rod, a first top block and a second top block, and the first top block and the second top block are matched with each other, a plurality of protrusions are provided on opposite sides of the first top block and the second top block, the bottom of the second top block and the top of the push rod are connected by bolts, the bottom of the push rod and the top of the piston plate are connected by bolts, the piston plate and the inner wall of the compression cylinder are slidably connected, a support rod is connected between the circumferential outer wall of the compression cylinder and the inner wall of the connecting sleeve by bolts, the bottom of the compression cylinder and the elastic bag are bonded, a through hole is opened between the bottom of the compression cylinder and the elastic bag, and the top of the first top block and the bottom of the rotating rod are connected by bolts.

[0008] Preferably, both sides of the inner wall of the connecting sleeve are provided with sliding grooves, and the inner walls of the two sliding grooves are slidably connected with sliders, a spring is connected between the bottom of the slider and the sliding groove by bolts, and a connecting shaft is connected between one side of the slider and the second top block by bolts.

[0009] Preferably, three equally spaced fixing seats are welded to the circumferential outer wall of the sleeve, and a through opening is provided between one side of the fixing seat and the inner wall of the sleeve, a fixing mechanism is provided between the inside of the through opening and the inside of the sleeve, and the fixing mechanism cooperates with the rotating mechanism.

[0010] Preferably, the fixing mechanism is composed of a push plate and a compression pad, and the push plate is slidably connected to the inner wall of the through opening, one side of the push plate is bonded to the compression pad, one side of the compression pad is an arc surface, and one side of the compression pad is provided with multiple anti-slip edges, the anti-slip edges and the compression pad are both made of elastic material, and a transmission assembly is provided between the rotating rod and the push plate.

[0011] Preferably, the transmission assembly is composed of a first transmission group and a second transmission group, and the first transmission group and the second transmission group cooperate with each other.

[0012] Preferably, the first transmission group consists of a rotating wheel, three first racks, three shafts and three first gears, and the rotating wheel is fixedly sleeved on the outer wall of the rotating rod, three slots are provided on the circumferential outer wall of the rotating wheel, the three slots are connected to the three first racks by bolts, the first rack is arc-shaped, and the two ends of the shaft are rotatably connected to the through-port by bearings, the first gear is fixedly sleeved on the outer wall of the shaft, and the first gear and the first rack are matched.

[0013] Preferably, the second transmission group consists of a support rod, a second gear, a second rack, two pulleys and a belt, and a rotational connection is formed between the support rod and the two sides opposite to the through-port through a bearing, one pulley is fixedly sleeved on the outer wall of the support rod, and the other pulley is fixedly sleeved on the outer wall of the shaft rod, and a rotational connection is formed between the two pulleys and the belt, and the two pulleys have different sizes, the second gear is fixedly sleeved on the outer wall of the support rod, the second rack is meshed with the second gear, and one side of the second rack is welded to the push plate.

[0014] The beneficial effects of the present invention are: The present invention provides a rotating mechanism and a water blocking mechanism. When the water supply pipe is blocked, the sleeve and the connecting sleeve are inserted into the inside of the water supply pipe. After the insertion is completed, the turntable is rotated, and the turntable drives the rotating rod to rotate. At this time, the first top block rotates synchronously with the rotation of the rotating rod. At this time, the second top block drives the push rod to move up and down reciprocatingly through the cooperation between the first top block and the second top block. The piston plate also moves up and down reciprocatingly with the push rod. When the piston plate moves back and forth, it inflates the inside of the elastic bag. At this time, the elastic bag will swell due to the input of gas, and the swollen elastic bag will be tightly attached to the inside of the water supply pipe, so that the inside of the water supply pipe is blocked by the swollen elastic bag. When the maintenance is completed, the one-way air inlet valve is taken out. At this time, the gas inside the elastic bag will be discharged through the catheter. At this time, the elastic bag will shrink, so that it is easy to take the device out of the water supply pipe. Compared with the existing rubber material object for blocking water, this device is easier to install and take out when blocking water, thereby improving the convenience of the device for blocking water supply pipes; The present invention provides a rotating mechanism and a fixing mechanism. When the water supply pipe is blocked, the sleeve and the connecting sleeve are inserted into the inside of the water supply pipe. At this time, the turntable is rotated, and the rotating rod drives the rotating wheel to rotate. At this time, the first rack rotates with the rotation of the rotating wheel. When the first rack contacts the first gear during rotation, the first gear drives the shaft to rotate through the meshing between the first rack and the first gear. When the shaft rotates, one of the pulleys rotates with the rotation of the shaft. At this time, the support rod is rotated through the cooperation between the two pulleys and the belt, and the second gear rotates with the rotation of the support rod. The meshing between the second gear and the second rack drives the push plate to move. At this time, the extrusion pad is squeezed on the inner wall of the water supply pipe, and the friction between the extrusion pad and the inner wall of the water supply pipe is increased through the anti-skid edge, so as to fix the equipment, thereby improving the stability of the water blocking of the equipment, and preventing the equipment from slipping from the inside of the water supply pipe due to the impact of the water flow, thereby affecting the water blocking of the water supply pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a water blocking device for repairing a city water supply pipeline proposed by the present invention; Figure 2 This is a schematic cross-sectional view of a water blocking device for repairing a city water supply pipeline proposed by the present invention; Figure 3 A schematic diagram of the partial structure of a water blocking device for repairing a city water supply pipeline proposed by the present invention; Figure 4 This is a schematic diagram of the water blocking mechanism structure of a water blocking device for repairing urban water supply pipelines proposed by the present invention; Figure 5 This is a schematic diagram of the structure of a compression component of a water plugging device for repairing a city water supply pipeline proposed by the present invention; Figure 6 This is a schematic diagram of the fixing mechanism structure of a water blocking device for repairing urban water supply pipelines proposed by the present invention; Figure 7 This is a schematic diagram of the transmission component structure of a water blocking device for repairing urban water supply pipelines proposed by the present invention.

[0016] In the accompanying drawings: 1. sleeve; 2. connecting sleeve; 3. elastic bag; 4. fixing seat; 5. bracket; 6. rotating mechanism; 7. compression assembly; 8. through hole; 9. fixing mechanism; 10. transmission assembly; 11. rotating rod; 12. turntable; 13. turning handle; 14. compression cylinder; 15. support rod; 16. conduit; 17. one-way air intake valve; 18. first top block; 19. second top block; 20. connecting shaft; 21. slider; 22. spring; 23. push rod; 24. piston plate; 25. push plate; 26. extrusion pad; 27. anti-skid edge; 28. rotating wheel; 29. ​​first rack; 30. shaft; 31. first gear; 32. support rod; 33. pulley; 34. belt; 35. second gear; 36. second rack. DETAILED DESCRIPTION

[0017] Example 1, reference Figure 1-Figure 5 A water blocking device for repairing a city water supply pipeline comprises a sleeve 1, a connecting sleeve 2 and a water blocking mechanism. A fixed shaft is connected between the bottom of the sleeve 1 and the top of the connecting sleeve 2 by bolts. The water blocking mechanism is located at the bottom of the connecting sleeve 2. The inner wall of the sleeve 1 is located at the top and the bottom and is connected with a bracket 5 by bolts. A rotating mechanism 6 is arranged between the two brackets 5. The rotating mechanism 6 cooperates with the water blocking mechanism. The water blocking mechanism consists of a compression component 7 and an elastic bag 3, and the elastic bag 3 is bonded to the outer wall of the connecting sleeve 2. An air hole is opened on one side of the top of the elastic bag 3, and a conduit 16 is arranged inside the air hole. The conduit 16 is made of elastic material. A one-way air inlet valve 17 is arranged at one end of the conduit 16. The compression component 7 is arranged at the top of the elastic bag 3 for easy installation and removal, thereby improving the convenience of the equipment for water blocking of the water supply pipeline.

[0018] On the basis of the above, the rotating mechanism 6 includes a rotating rod 11, a rotating disk 12 and a turning handle 13, and the two ends of the rotating rod 11 are rotatably connected with the two brackets 5 through bearings, the top of the rotating rod 11 and the bottom of the turning disk 12 are welded, and one side of the top of the turning disk 12 is fixedly connected to the bottom of the turning handle 13.

[0019] On the basis of the above, the compression assembly 7 includes a compression cylinder 14, a piston plate 24, a push rod 23, a first top block 18 and a second top block 19, and the first top block 18 and the second top block 19 are matched with each other, and a plurality of protrusions are arranged on the opposite sides of the first top block 18 and the second top block 19, the bottom of the second top block 19 and the top of the push rod 23 are connected by bolts, the bottom of the push rod 23 and the top of the piston plate 24 are connected by bolts, the piston plate 24 and the inner wall of the compression cylinder 14 are slidably connected, the circumferential outer wall of the compression cylinder 14 and the inner wall of the connecting sleeve 2 are connected by bolts with a support rod 15, the bottom of the compression cylinder 14 and the elastic bag 3 are bonded, a through hole 8 is opened between the bottom of the compression cylinder 14 and the elastic bag 3, and the top of the first top block 18 and the bottom of the rotating rod 11 are connected by bolts.

[0020] On the basis of the above, sliding grooves are provided on both sides of the inner wall of the connecting sleeve 2, and the inner walls of the two sliding grooves are slidably connected with sliders 21, a spring 22 is connected between the bottom of the slider 21 and the sliding groove by bolts, and a connecting shaft 20 is connected between one side of the slider 21 and the second top block 19 by bolts.

[0021] Example 2, reference Figure 1-Figure 7 , a water blocking device for repairing urban water supply pipelines. Compared with Example 1, on the basis of Example 1, three equally spaced fixing seats 4 are welded to the circumferential outer wall of the sleeve 1, and a through opening is opened between one side of the fixing seat 4 and the inner wall of the sleeve 1, and a fixing mechanism 9 is arranged between the inside of the through opening and the inside of the sleeve 1, and the fixing mechanism 9 is matched with the rotating mechanism 6.

[0022] On the basis of the above, the fixing mechanism 9 is composed of a push plate 25 and a squeeze pad 26, and the push plate 25 is slidably connected to the inner wall of the through opening, one side of the push plate 25 is bonded to the squeeze pad 26, one side of the squeeze pad 26 is an arc surface, and one side of the squeeze pad 26 is provided with multiple anti-slip edges 27, both the anti-slip edges 27 and the squeeze pad 26 are made of elastic materials, and a transmission assembly 10 is provided between the rotating rod 11 and the push plate 25.

[0023] On the basis of the above, the transmission assembly 10 is composed of a first transmission group and a second transmission group, and the first transmission group and the second transmission group cooperate with each other.

[0024] On the basis of the above, the first transmission group is composed of a rotating wheel 28, three first racks 29, three shafts 30 and three first gears 31, and the rotating wheel 28 is fixedly sleeved on the outer wall of the rotating rod 11, and three slots are opened on the circumferential outer wall of the rotating wheel 28. The three slots and the three first racks 29 are connected by bolts. The shape of the first rack 29 is arc-shaped, and the two ends of the shaft 30 are rotatably connected to the through-hole through bearings. The first gear 31 is fixedly sleeved on the outer wall of the shaft 30, and the first gear 31 is adapted to the first rack 29.

[0025] On the basis of the above, the second transmission group is composed of a support rod 32, a second gear 35, a second rack 36, two pulleys 33 and a belt 34, and a rotational connection is formed between the support rod 32 and the two sides opposite to the through-port through a bearing, one of the pulleys 33 is fixedly sleeved on the outer wall of the support rod 32, and the other pulley 33 is fixedly sleeved on the outer wall of the shaft rod 30, and a rotational connection is formed between the two pulleys 33 and the belt 34, and the two pulleys 33 have different sizes. The second gear 35 is fixedly sleeved on the outer wall of the support rod 32, and the second rack 36 is meshed with the second gear 35. One side of the second rack 36 is welded to the push plate 25, which is convenient for fixing the equipment, thereby improving the stability of the equipment in water blocking, and preventing the equipment from slipping from the inside of the water supply pipe due to the impact of the water flow, thereby affecting the water blocking of the water supply pipe.

[0026] In summary, with the aid of the above technical solution of the present invention: when the water supply pipe is blocked, the sleeve 1 and the connecting sleeve 2 are inserted into the water supply pipe. After the insertion is completed, the turntable 12 is rotated, and the turntable 12 drives the rotating rod 11 to rotate. At this time, the first top block 18 rotates synchronously with the rotation of the rotating rod 11. At this time, the second top block 19 drives the push rod 23 to move up and down reciprocatingly through the cooperation between the first top block 18 and the second top block 19, and the piston plate 24 also moves up and down reciprocatingly with the push rod 23, and the active When the plug plate 24 moves back and forth, it will inflate the inside of the elastic bag 3. At this time, the elastic bag 3 will swell due to the input of gas, and the swollen elastic bag 3 will be tightly attached to the inside of the water supply pipe, so that the inside of the water supply pipe is blocked by the swollen elastic bag 3. When the maintenance is completed, the one-way air inlet valve 17 is taken out. At this time, the gas inside the elastic bag 3 will be discharged through the conduit 16. At this time, the elastic bag 3 will shrink, so that it is easy to take the equipment out of the water supply pipe. Compared with the existing water blocking with rubber objects, the present invention The equipment is easier to install and remove when plugging water, thereby improving the convenience of the equipment for plugging water supply pipes. The first rack 29 rotates with the rotation of the rotating wheel 28. When the first rack 29 contacts the first gear 31 during rotation, the first gear 31 drives the shaft 30 to rotate through the meshing between the first rack 29 and the first gear 31. When the shaft 30 rotates, one of the pulleys 33 rotates with the rotation of the shaft 30. At this time, the support rod 32 is rotated by the cooperation between the two pulleys 33 and the belt 34. The second gear 35 will rotate along with the rotation of the support rod 32, and the second rack 36 will drive the push plate 25 to move through the meshing between the second gear 35 and the second rack 36. At this time, the squeezing pad 26 will squeeze the inner wall of the water supply pipe, and increase the friction between the squeezing pad 26 and the inner wall of the water supply pipe through the anti-skid edge 27, so as to fix the equipment, thereby improving the stability of the water blocking of the equipment and preventing the equipment from slipping from the inside of the water supply pipe due to the impact of the water flow, thereby affecting the water blocking of the water supply pipe.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A water blocking device for repairing a city water supply pipeline, comprising a sleeve (1), a connecting sleeve (2) and a water blocking mechanism, characterized in that: A fixed shaft is connected between the bottom of the sleeve (1) and the top of the connecting sleeve (2) by bolts, the water blocking mechanism is located at the bottom of the connecting sleeve (2), the inner wall of the sleeve (1) is located at the top and the bottom and is connected to brackets (5) by bolts, and a rotating mechanism (6) is provided between the two brackets (5), the rotating mechanism (6) and the water blocking mechanism are matched, the water blocking mechanism is composed of a compression component (7) and an elastic bag (3), and the elastic bag (3) is bonded to the outer wall of the connecting sleeve (2), A pore is provided on one side of the top of the elastic bag (3), and a conduit (16) is provided inside the pore. The conduit (16) is made of elastic material. A one-way air inlet valve (17) is provided at one end of the conduit (16). The compression assembly (7) is provided at the top of the elastic bag (3). The rotating mechanism (6) comprises a rotating rod (11), a rotating disk (12) and a rotating handle (13). The two ends of the rotating rod (11) are rotatably connected to the two brackets (5) via bearings. The top of the rotating rod (11) is connected to the rotating disk (12). ), one side of the top of the turntable (12) is fixedly connected to the bottom of the turn handle (13), the compression assembly (7) comprises a compression cylinder (14), a piston plate (24), a push rod (23), a first top block (18) and a second top block (19), and the first top block (18) and the second top block (19) are matched with each other, and a plurality of protrusions are provided on opposite sides of the first top block (18) and the second top block (19), and the bottom of the second top block (19) and the top of the push rod (23) are connected by bolts. The bottom of the push rod (23) and the top of the piston plate (24) are connected by bolts, the piston plate (24) and the inner wall of the compression cylinder (14) are slidably connected, a support rod (15) is connected between the circumferential outer wall of the compression cylinder (14) and the inner wall of the connecting sleeve (2) by bolts, the bottom of the compression cylinder (14) and the elastic bag (3) are bonded, a through hole (8) is opened between the bottom of the compression cylinder (14) and the elastic bag (3), and the top of the first top block (18) and the bottom of the rotating rod (11) are connected by bolts.

2. A water blocking device for repairing urban water supply pipelines according to claim 1, characterized in that: Slide grooves are provided on both sides of the inner wall of the connecting sleeve (2), and the inner walls of the two slide grooves are slidably connected to sliders (21), a spring (22) is connected between the bottom of the slider (21) and the slide groove via bolts, and a connecting shaft (20) is connected between one side of the slider (21) and the second top block (19) via bolts.

3. The water blocking equipment for repairing urban water supply pipelines according to claim 1, characterized in that: The circumferential outer wall of the sleeve (1) is welded with three equidistantly distributed fixing seats (4), and a through opening is provided between one side of the fixing seat (4) and the inner wall of the sleeve (1), a fixing mechanism (9) is provided between the interior of the through opening and the interior of the sleeve (1), and the fixing mechanism (9) is matched with the rotating mechanism (6).

4. A water blocking device for repairing urban water supply pipelines according to claim 3, characterized in that: The fixing mechanism (9) is composed of a push plate (25) and a squeeze pad (26), and the push plate (25) is slidably connected to the inner wall of the through hole, one side of the push plate (25) is bonded to the squeeze pad (26), one side of the squeeze pad (26) is an arc surface, one side of the squeeze pad (26) is provided with a plurality of anti-skid edges (27), the anti-skid edges (27) and the squeeze pad (26) are both made of elastic material, and a transmission assembly (10) is provided between the rotating rod (11) and the push plate (25).

5. A water blocking device for repairing urban water supply pipelines according to claim 4, characterized in that: The transmission assembly (10) is composed of a first transmission group and a second transmission group, and the first transmission group and the second transmission group cooperate with each other.

6. A water blocking device for repairing urban water supply pipelines according to claim 5, characterized in that: The first transmission group is composed of a rotating wheel (28), three first racks (29), three shafts (30) and three first gears (31), and the rotating wheel (28) is fixedly sleeved on the outer wall of the rotating rod (11), three notches are provided on the circumferential outer wall of the rotating wheel (28), the three notches and the three first racks (29) are connected by bolts, the first racks (29) are arc-shaped, the two ends of the shaft (30) are rotatably connected to the through opening by bearings, the first gear (31) is fixedly sleeved on the outer wall of the shaft (30), and the first gear (31) and the first rack (29) are matched.

7. A water blocking device for repairing urban water supply pipelines according to claim 6, characterized in that: The second transmission group is composed of a support rod (32), a second gear (35), a second rack (36), two pulleys (33) and a belt (34), and the support rod (32) is rotatably connected to two sides opposite to the through-port via a bearing, one pulley (33) is fixedly sleeved on the outer wall of the support rod (32), and the other pulley (33) is fixedly sleeved on the outer wall of the shaft rod (30), and a rotatably connected is formed between the two pulleys (33) and the belt (34), and the two pulleys (33) have different sizes, the second gear (35) is fixedly sleeved on the outer wall of the support rod (32), the second rack (36) is meshed with the second gear (35), and one side of the second rack (36) is welded to the push plate (25).

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