Spraying device for water spraying maintenance of PCCP (prestressed concrete cylinder pipe) core

Abstract

The utility model relates to a water-sprinkling maintenance spraying device for a PCCP (prestressed concrete cylinder pipe) core. The water-sprinkling maintenance spraying device comprises a base, a lifting mechanism, an annular pipeline, a water pipe, a storage box, a plastic water tower, a pe water storage tank, a valve and a water supply pump, a pushing handle is welded on one side of the base; a storage box for storing the flexible connecting pipe is reserved on one side above the base; the lifting mechanism is fixed to the middle of the base, the annular pipeline is installed on the lifting mechanism and communicated with the water inlet pipe, and the spraying nozzles are arranged on the lower side. The plastic water tower pe water storage tank is arranged in the pipe core maintenance area, the top of the plastic water tower pe water storage tank is provided with a water inlet, the bottom of the plastic water tower pe water storage tank is provided with a water outlet, and the water outlet is connected with a water conveying pipe. According to the spraying device, the annularly-arranged spraying nozzles rise to the uppermost part of the pipeline, water mist is uniformly sprayed from top to bottom, the pipeline is fully wetted and maintained, maintenance is more uniform, the strength loss of the pipeline is reduced, meanwhile, the working strength is reduced, and the working efficiency is improved.

Description

Technical field:

[0001] The utility model belongs to the technical field of water conservancy and hydropower engineering construction, and specifically relates to a PCCP pipe core watering and maintenance spraying device. Background technology:

[0002] Prestressed steel cylinder concrete pipe (PCCP for short) is a new type of composite pipe made of four basic raw materials: steel plate, prestressed steel wire, concrete and cement mortar, after the manufacturing processes of steel cylinder forming, concrete pouring, application of prestress control technology and protective layer spraying. According to the process requirements, after the core of the pipe is poured, the outer mold is removed and watering maintenance is required to ensure that the core strength meets the specification requirements and reduce cracks.

[0003] Traditional maintenance is to manually use plastic hoses to water the pipe joints. Due to the height of the pipe joints, the amount of water sprayed on different parts of the pipe joints during the watering process is uneven, resulting in a waste of water resources and a loss of pipe joint strength growth. Summary of the invention:

[0004] The problem to be solved by the utility model is to provide a watering and curing spraying device for PCCP pipe core in view of the above-mentioned shortcomings.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a spray device for watering and maintaining a PCCP pipe core, which comprises a base, a lifting mechanism, an annular pipeline, a water inlet pipe, a flexible connecting pipe, a storage box, a plastic water tower PE water storage tank, a water delivery pipe, a valve, and a water supply pump; a push handle is welded on one side of the base, and rollers are installed around the bottom of the base; a storage box for storing the flexible connecting pipe is reserved on one side above the base; the lifting mechanism is vertically fixed to the middle of the base, the annular pipeline is installed on the lifting mechanism, the top of the annular pipeline is connected to the water inlet pipe, and a plurality of spray nozzles are arranged on the lower side; the plastic water tower PE water storage tank is placed on the side of the pipe core maintenance area close to the factory building, the top of the plastic water tower PE water storage tank is provided with a water inlet, the bottom is provided with a water outlet, the water outlet is connected to the water delivery pipe, the water delivery pipe is connected to the water supply pump and the valve, the other end of the water delivery pipe is connected to the flexible connecting pipe, and the other end of the flexible connecting pipe is connected to the water inlet pipe.

[0007] The base is made of a plate material with strong bearing capacity and is arranged in a box-type structure.

[0008] The rollers installed around the bottom of the base include universal wheels and fixed wheels. Two universal wheels with brakes are installed at the bottom of the base close to the push handle, and two fixed wheels are installed at the other side.

[0009] The lifting mechanism is welded on the base; the lifting mechanism can also be detachably connected to the base, a bolt hole is reserved in the middle of the base, and the bottom plate of the lifting mechanism is connected to the base through bolts.

[0010] The shape of the annular pipe is a regular circle, and the diameter of the annular pipe is determined according to the diameter of the PCCP pipe core to be maintained.

[0011] Two support hangers are arranged on one side of the annular pipe, the annular pipe is connected to the lifting mechanism through the support hangers, and the support hangers are welded to the lifting platform on the lifting mechanism.

[0012] The lifting mechanism is a chain lifting mechanism, including a frame, guide rails, a guide frame, a sprocket, a chain, a lifting platform, a cylinder and a hydraulic pump. The frame and the hydraulic pump are fixed in the middle of the base, and the hydraulic pump is arranged outside the frame. The guide rails are linear guides, and two are arranged vertically. The two guide rails are installed on the inner side of the frame. The guide frame is installed horizontally between the two guide rails. The guide frame slides up and down along the guide rails. Three sprockets are installed in the guide frame. The chains are respectively wound around the corresponding sprockets and one end is fixed to the frame and the other end is connected to the lifting platform. The lifting platform is slidably connected to the frame and slides up and down along the frame. The cylinder is vertically installed between the guide rails and below the guide frame. The bottom of the cylinder is fixed to the base through a support seat. The telescopic end of the cylinder is connected to the bottom of the guide frame, and the cylinder is connected to the hydraulic pump outside the frame.

[0013] A reducer is arranged between the water delivery pipe and the flexible connecting pipe, one end of the reducer is connected to the water delivery pipe, and the other end is connected to the flexible connecting pipe.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the utility model, an annular pipe and circumferentially arranged spray nozzles arranged on the annular pipe are used to spray water on the PCCP for maintenance, which makes the maintenance more uniform and reduces manual labor.

[0016] 2. The utility model utilizes a lifting structure to drive the annular pipe to realize up and down reciprocating motion, so that the water flow does not need to flow downward along the top of the pipe wall, fully wetting the pipe and reducing the strength loss of the pipe.

[0017] 3. The utility model is pushed manually, and the bottom roller is equipped with a brake device, which can be started and stopped at any time, which is very convenient.

[0018] To sum up, the sprinkler nozzles arranged in a ring shape in the utility model are lifted to the top of the pipeline by the guide rail of the lifting mechanism, and the sprinkler mode is turned on. The ring-shaped sprinkler system sprays water mist evenly from top to bottom to fully moisten the pipeline for maintenance, making the maintenance more uniform, reducing the strength loss of the pipeline, and at the same time reducing the work intensity and improving the work efficiency. Description of the drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the annular pipeline structure of the utility model;

[0021] Figure 3 yes Figure 2 A magnified view of part A;

[0022] Figure 4 It is a structural schematic diagram of the lifting mechanism of the utility model.

[0023] Reference numerals in the figures:

[0024] 1-push handle, 2-base, 3-universal wheel, 4-directional wheel, 5-frame, 6-lifting mechanism, 7-annular pipe, 8-spray nozzle, 9-support hanger, 10-water inlet pipe, 11-flexible connecting pipe, 12-reducing pipe, 13-valve, 14-water supply pump, 15-plastic water tower PE water tank, 16-water outlet, 17-water inlet, 18-hydraulic pump, 19-storage box, 20-water pipe, 21-guide rail, 22-guide frame, 23-sprocket, 24-chain, 25-lifting platform, 26-oil cylinder. Specific implementation method:

[0025] The present invention is further described below in conjunction with specific implementation methods. The specific implementation methods are further descriptions of the principles of the present invention and do not limit the present invention in any way. Technologies identical or similar to the present invention do not exceed the scope of protection of the present invention.

[0026] See also Figure 1-Figure 4 The utility model provides a spray device for watering and maintaining a PCCP pipe core, which includes a base 2, a lifting mechanism 6, a ring pipeline 7, a water inlet pipe 10, a flexible connecting pipe 11, a storage box 19, a plastic water tower PE water tank 15, a water delivery pipe 20, a valve 13, and a water supply pump 14.

[0027] The base 2 is made of a plate with strong bearing capacity and is arranged in a box-type structure. A pushing handle 1 is welded on one side of the base 2. Rollers are installed around the bottom of the base 2. The rollers include universal wheels 3 and fixed wheels 4. Two universal wheels 3 with brakes are installed at the bottom of the base 2 close to the pushing handle 1, and two fixed wheels 4 are installed on the other side. The base 2 can be pushed to travel in any direction and dock.

[0028] The lifting mechanism 6 is vertically fixed in the middle of the base 2. The lifting mechanism 6 adopts a chain lifting mechanism, including a frame 5, a guide rail 21, a guide frame 22, a sprocket 23, a chain 24, a lifting platform 25, a cylinder 26 and a hydraulic pump 18. The frame 5 and the hydraulic pump 18 are fixed in the middle of the base 2. The hydraulic pump 18 is arranged outside the frame 5. The guide rail 21 is a linear guide rail, and two are arranged vertically. The two guide rails 21 are installed on the inner side of the frame 5. The guide frame 22 is horizontally installed between the two guide rails 21. The guide frame 22 slides up and down along the guide rail 21. Three sprockets 23 are installed in the guide frame 22. The chains 24 are respectively wound around the corresponding sprockets 23 and one end is fixed to the frame 5 and the other end is connected to the lifting platform 25. The lifting platform 25 is connected to the frame 5, and is slidably connected to the frame 5 and slides up and down along the frame 5. The cylinder 26 is vertically installed between the guide rails 21 and below the guide frame 22. The bottom of the cylinder 26 is fixed to the base 2 through a support seat. The telescopic end of the cylinder 26 is connected to the bottom of the guide frame 22. The cylinder 26 is connected to the hydraulic pump 18 outside the frame 5, and is powered by the hydraulic pump 18. When the high-pressure oil supplied by the hydraulic pump 18 enters the cylinder 26, the piston of the cylinder 26 is subjected to the pressure and generates thrust. The cylinder 26 drives the sprocket 23 and the chain 24 to move, and drives the lifting platform 25 to move upward. Conversely, it drives the lifting platform 25 to move downward. The reciprocating lifting motion of the lifting platform 25 is achieved by adjusting the pressure.

[0029] The shape of the annular pipe 7 is a regular circle, and the diameter of the annular pipe 7 is determined according to the diameter of the PCCP pipe core to be maintained. The top of the annular pipe 7 is connected to a water inlet pipe 10, and a plurality of spray nozzles 8 are arranged on the lower side; the annular pipe 7 is installed on the lifting mechanism 6, and two support hangers 9 are arranged on one side of the annular pipe 7. The annular pipe 7 is connected to the lifting mechanism 6 through the support hangers 9, and the support hangers 9 are welded to the lifting platform 25 on the lifting mechanism 6.

[0030] A storage box 19 for storing the flexible connecting tube 11 is reserved on one side above the base 2, so that the flexible connecting tube 11 can extend and contract in an orderly manner according to the height when the annular pipe 7 is spraying up and down.

[0031] The plastic water tower PE water storage tank 15 is placed in the pipe core maintenance area near the factory building. The water volume in the plastic water tower PE water storage tank 15 can be observed with the naked eye. The plastic water tower PE water storage tank 15 is provided with a water inlet 17 on the top and a water outlet 16 on the bottom. The water outlet 16 is connected to a water pipe 20. The water pipe 20 is connected to a water supply pump 14 and a valve 13. The other end of the water pipe 20 is connected to a flexible connecting pipe 11. In this embodiment, a reducer 12 is arranged between the water pipe 20 and the flexible connecting pipe 11. One end of the reducer 12 is connected to the water pipe 20 and the other end is connected to the flexible connecting pipe 11. The other end of the flexible connecting pipe 11 is connected to the water inlet pipe 10 to realize the annular watering maintenance of the pipeline. A valve 13 and a reducer 12 are arranged in front of the water supply pump 14 of the watering maintenance spraying device, and are connected to the water inlet pipe 10 of the annular pipe 7 through the flexible connecting pipe 11. When watering maintenance is required, the water flow demand is met by opening the valve 13 and the water supply pump 14, and the water is lifted and sent to the water inlet pipe 10 of the annular pipe 7. The water enters the annular pipe 7 to meet the watering demand, and the water is sprayed onto the PCCP pipe core in a mist form through the spray nozzle 8.

[0032] The working process of the watering maintenance spray device is as follows:

[0033] When the PCCP pipe core is poured and hoisted to the maintenance area, there is a certain safety distance between adjacent PCCP pipe cores, which is convenient for watering and maintenance. The staff pushes the watering and maintenance spraying device to the front of the pipe that needs maintenance, and stably stops the watering and maintenance spraying device through the universal wheel 3 with brakes at the bottom of the base 2, and starts the hydraulic pump 18 to drive the lifting platform 25 on the lifting mechanism 6, and the annular pipe 7 with the spray nozzle 8 is raised to the top of the pipe core to be sprayed with the lifting platform 25, and then the water supply pump 14 and the valve 13 are turned on to send the water in the plastic water tower PE water tank 15 to the annular pipe 7, and the water is sprayed on the PCCP pipe core in the form of mist through the spray nozzle 8 arranged on the annular pipe. The annular pipe 7 rises and falls with the lifting platform 25 of the lifting mechanism 6, so as to realize the uniform watering of the PCCP pipe core from top to bottom, so that it is fully moistened and maintained.

Claims

1. A watering and curing spraying device for PCCP pipe core, characterized by: The watering maintenance spraying device comprises a base (2), a lifting mechanism (6), an annular pipe (7), a water inlet pipe (10), a flexible connecting pipe (11), a storage box (19), a plastic water tower (PE) water storage tank (15), a water delivery pipe (20), a valve (13), and a water supply pump (14); a push handle (1) is welded on one side of the base (2), and rollers are installed around the bottom of the base (2); a storage box (19) for storing the flexible connecting pipe (11) is reserved on one side above the base (2); the lifting mechanism (6) is vertically fixed to the middle of the base (2), and the annular pipe (7) is installed on the lifting mechanism (6). The structure (6) is a ring-shaped pipe (7), the top of which is connected to a water inlet pipe (10), and a plurality of spray nozzles (8) are arranged at the bottom; the plastic water tower PE water storage tank (15) is arranged at the side of the pipe core maintenance area close to the factory building, the top of the plastic water tower PE water storage tank (15) is provided with a water inlet (17), and the bottom is provided with a water outlet (16), the water outlet (16) is connected to a water delivery pipe (20), the water delivery pipe (20) is connected to a water supply pump (14) and a valve (13), the other end of the water delivery pipe (20) is connected to a flexible connecting pipe (11), and the other end of the flexible connecting pipe (11) is connected to the water inlet pipe (10).

2. The watering and curing spraying device for PCCP core according to claim 1 is characterized in that: The base (2) is made of a plate material with strong bearing capacity and is arranged in a box-type structure.

3. The watering and curing spraying device for PCCP core according to claim 1 is characterized in that: The rollers installed around the bottom of the base (2) include universal wheels (3) and fixed wheels (4). Two universal wheels (3) with brakes are installed at the bottom of the base (2) close to the push handle (1), and two fixed wheels (4) are installed at the other side.

4. The watering and curing spraying device for PCCP core according to claim 1 is characterized in that: The lifting mechanism (6) is welded to the base (2); the lifting mechanism (6) can also be detachably connected to the base (2); a bolt hole is reserved in the middle of the base (2); and the bottom plate of the lifting mechanism (6) is connected to the base (2) by bolts.

5. The watering and curing spraying device for PCCP pipe core according to claim 1 is characterized in that: The shape of the annular pipe (7) is a regular circle, and the diameter of the annular pipe (7) is determined according to the diameter of the PCCP pipe core to be maintained.

6. The watering and curing spraying device for PCCP pipe core according to claim 1 is characterized in that: Two support hangers (9) are arranged on one side of the annular pipe (7), and the annular pipe (7) is connected to the lifting mechanism (6) through the support hangers (9). The support hangers (9) are welded to the lifting platform (25) on the lifting mechanism (6).

7. The watering and curing spraying device for PCCP core according to claim 1 is characterized by: The lifting mechanism (6) adopts a chain lifting mechanism, comprising a frame (5), a guide rail (21), a guide frame (22), a sprocket (23), a chain (24), a lifting platform (25), a cylinder (26) and a hydraulic pump (18). The frame (5) and the hydraulic pump (18) are fixed to the middle of the base (2), the hydraulic pump (18) is arranged outside the frame (5), the guide rail (21) is a linear guide rail, two of which are arranged vertically, the two guide rails (21) are installed on the inner side of the frame (5), the guide frame (22) is installed horizontally between the two guide rails (21), and the guide frame (22) moves up and down along the guide rail (21). The guide frame (22) is provided with three sprocket wheels (23), the chains (24) are respectively wound around the corresponding sprocket wheels (23) and one end of the chains is fixed on the frame (5) and the other end is connected to the lifting platform (25), the lifting platform (25) is slidably connected to the frame (5) and slides up and down along the frame (5), the oil cylinder (26) is vertically installed between the guide rails (21) and below the guide frame (22), the bottom of the oil cylinder (26) is fixed on the base (2) through a support seat, the telescopic end of the oil cylinder (26) is connected to the bottom of the guide frame (22), and the oil cylinder (26) is connected to the hydraulic pump (18) outside the frame (5).

8. The watering and curing spraying device for PCCP pipe core according to claim 1 is characterized by: A reducer (12) is arranged between the water pipe (20) and the flexible connecting pipe (11), one end of the reducer (12) is connected to the water pipe (20), and the other end is connected to the flexible connecting pipe (11).

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