Prestressed steel cylinder concrete pipe

Abstract

The utility model discloses a prestressed concrete cylinder pipe, which belongs to the technical field of prestressed concrete cylinder pipes and comprises a pipe body, a prestressed steel wire is mounted on the peripheral side of the surface wall of the pipe body, a protective pipe is mounted on the peripheral side of the surface wall of the prestressed steel wire, and two fixing seats are fixedly connected to one side of the surface wall of the protective pipe. Two nut seats are fixedly connected to one side of the surface wall of the protection pipe, lead screws are in threaded connection to one sides of the inner walls of the two nut seats, two pipe pillows are fixedly connected to the bottom side of the surface wall of the protection pipe, two sliding grooves are fixedly connected to the upper sides of the surface walls of the two pipe pillows, and fixing plates are slidably connected to one sides of the inner walls of the two sliding grooves. Under the action of the universal wheels, the butt joint efficiency of the two pipe bodies is improved, the nut seat is driven to be aligned to the fixing seat by rotating the lead screw, then the butt joint accuracy of the two pipe bodies is improved, and the situation that the sealing ring is pressed unevenly, the sealing performance is reduced, and waste is caused by resource leakage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to prestressed steel cylinder concrete pipe technical field, in particular to a prestressed steel cylinder concrete pipe. BACKGROUND

[0002] Prestressed steel cylinder concrete pipe is a new type of composite pipe material, which is composed of concrete and steel cylinder with socket, high-strength prestressed steel wire is wound outside, and protective layer mortar is sprayed on the outside, the pipe fully utilizes the compression resistance, corrosion resistance of concrete and mortar and the tensile and sealing performance of steel, so it can withstand high internal water pressure and external load, in urban water supply system, such as dry pipe from water source (reservoir, river, etc.) to each region of city, prestressed steel cylinder concrete pipe is often used to meet the water demand of urban residents, and the water supply and drainage pipe laid under urban road adopts prestressed steel cylinder concrete pipe, which can withstand repeated rolling and ground vibration of vehicles, and ensure normal operation of the pipe.

[0003] The prestressed steel cylinder concrete pipe in the prior art has large self-weight, accurate hoisting equipment and operation skills are needed to control the position of the pipe during butt joint, and the pipe has large rigidity, once the position deviates, it is difficult to correct through simple adjustment as flexible pipe, which increases the butt joint difficulty, if the site of construction site is uneven, the hoisting and placing of the pipe are affected, the pipe is difficult to accurately align, and then the sealing ring may be unevenly pressed, the sealing performance is reduced, and resources are wasted due to leakage.

[0004] Therefore, it is urgent to provide a prestressed steel cylinder concrete pipe to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem that the existing prestressed steel cylinder concrete pipe has large self-weight during butt joint, increases the butt joint difficulty of the pipe, is inconvenient to adjust during installation, is difficult to accurately align, may cause the sealing ring to be unevenly pressed, reduces the sealing performance, and causes waste due to resource leakage.

[0006] To solve the above technical problems, the utility model adopts one technical scheme, which provides a prestressed concrete cylinder pipe, which comprises a pipe body, the surface wall of the pipe body is provided with prestressed steel wire, the surface wall of the prestressed steel wire is provided with a protective tube, the surface wall of the protective tube is fixedly connected with two fixed seats on one side, the surface wall of the protective tube is fixedly connected with two nut seats on one side, the inner wall of the two nut seats is all screw connected with a lead screw on one side, the surface wall bottom of the protective tube is fixedly connected with two pipe pillows, the surface wall upper side of the two pipe pillows is fixedly connected with two sliding grooves, the inner wall of the two sliding grooves is all slidingly connected with a fixed plate on one side, and the bottom wall of the two pipe pillows is all provided with four universal wheels.

[0007] Through the above technical scheme, the universal wheel facilitates the butt joint between the two pipe bodies, avoids the large self weight of the pipe body, and improves the efficiency of butt joint.

[0008] The utility model further sets up that the surface wall one side of pipe body is equipped with four positioning slot, the surface wall one side of pipe body is fixedly connected with four positioning block.

[0009] Through the above technical scheme, the positioning block is aligned and slid into the positioning slot, so that the two pipe bodies are preliminarily calibrated and butt jointed, and the accuracy of pipe butt joint is improved.

[0010] The utility model further sets up that the surface wall one side of pipe body is fixedly connected with buffer ring, and the surface wall one side of pipe body is fixedly connected with socket.

[0011] Through the above technical scheme, the buffer ring can absorb the energy generated by the collision of the pipe body, and protect the pipe body interface.

[0012] The utility model further sets up that the surface wall one side of pipe body is equipped with two connecting grooves, and the surface wall periphery of the two connecting grooves is all installed with sealing ring.

[0013] Through the above technical scheme, the sealing ring is used to improve the sealing degree of pipe butt joint, the connecting groove is convenient for installing the sealing ring, further improves the sealing efficiency of the sealing ring, and avoids causing resource leakage.

[0014] The utility model further sets up that the inner wall periphery of pipe body is fixedly connected with anti-invasion pipe, and the inner wall one side of anti-invasion pipe is equipped with receiving groove.

[0015] Through the above technical scheme, the anti-invasion pipe is of plastic material and has good resistance, improves the service life of the pipe body, and the receiving groove provides a centralized deposition space for the silt, avoids the random accumulation of silt at the bottom of the whole pipe body.

[0016] The utility model further sets up that the inner wall one side of anti-invasion pipe is equipped with inclined groove, and the inclined groove is communicated with the receiving groove.

[0017] By the above technical scheme, the chute utilizes water flow and gravity to orderly guide the silt and reduce excessive accumulation in local areas.

[0018] The utility model discloses the advantages are as follows:

[0019] 1. The utility model discloses the convenience of pipe body movement is improved under the action of universal wheel, and the efficiency of the butt joint between two pipe bodies is improved, the nut seat is driven to align with the fixed seat by rotating the lead screw, the accuracy of the butt joint between two pipe bodies is improved, uneven compression of the sealing ring is avoided, the sealing performance is reduced, and thus resource leakage causes waste.

[0020] 2. The utility model discloses the preliminary positioning between two pipe bodies is carried out by driving the positioning block to slide into the positioning groove, the butt joint efficiency between pipe bodies is improved, the silt is orderly guided under the action of the storage groove and the chute, and excessive accumulation in local areas is avoided. DRAWINGS

[0021] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is the side view three-dimensional structure schematic diagram of the utility model;

[0023] Figure 3 It is the section structure schematic diagram of the utility model;

[0024] Figure 4 It is the partial structure separation schematic diagram of the utility model.

[0025] In the drawing: 1, pipe body;2, prestressed steel wire;3, fixed seat;4, nut seat;5, lead screw;6, pipe pillow;7, universal wheel;8, sliding groove;9, fixed plate;10, positioning groove;11, positioning block;12, anti-invasion pipe;13, connecting groove;14, sealing ring;15, storage groove;16, chute;17, buffer ring;18, socket;19, protective pipe. DETAILED DESCRIPTION

[0026] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and features of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model is more clearly and explicitly defined.

[0027] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4The utility model provides a prestressed concrete cylinder pipe, including pipe body 1, the surface wall of pipe body 1 is installed with prestressed steel wire 2 on the periphery, the pre -stress of prestressed steel wire 2 can offset the tensile stress of pipe body 1 in internal water pressure and make the pipe wall expand outward, the surface wall of prestressed steel wire 2 is installed with protection pipe 19, protection pipe 19 can isolate corrosive substances in the soil, reduce its chemical erosion to pipe body 1, and protection pipe 19 is fixedly connected with two fixed seats 3 on the surface wall side, protection pipe 19 is fixedly connected with two nut seats 4 on the surface wall side, the inner wall side of two nut seats 4 is all threadedly connected with lead screw 5, and lead screw 5 is connected with fixed seat 3 and nut seat 4, and the alignment of rotating lead screw 5 is driven nut seat 4 towards fixed seat 3, improves the accuracy of the butt joint between two pipe body 1, the surface wall bottom of protection pipe 19 is fixedly connected with two pipe pillows 6, pipe pillow 6 reduces the direct contact between pipe body 1 and soil, improves the service life of pipe body 1, the surface wall top of two pipe pillows 6 is fixedly connected with two sliding grooves 8, the inner wall side of two sliding grooves 8 is all slidably connected with fixed plate 9, and fixed plate 9 can be inserted into the ground, avoids when not needed universal wheel 7 from moving pipe body 1, and sliding groove 8 is used to place fixed plate 9, and the bottom wall side of two pipe pillows 6 is installed with four universal wheels 7, and the butt joint of two pipe body 1 is under the action of universal wheel 7, avoids the self-weight of pipe body 1 from being too large and reduces the butt joint efficiency of pipe body 1;

[0028] As Figure 1 、 Figure 2 、 Figure 3 And Figure 4 The surface wall side of pipe body 1 is fixedly connected with buffer ring 17, buffer ring 17 protects the interface of pipe body 1, reduces the damage of pipe body 1 when butt joint, the surface wall side of pipe body 1 is fixedly connected with socket 18, socket 18 is used to butt joint with sealing ring 14, improves the sealing degree of butt joint, reduces resource leakage, the surface wall side of pipe body 1 is provided with four positioning grooves 10, the surface wall side of pipe body 1 is fixedly connected with four positioning blocks 11, positioning block 11 can slide into positioning groove 10, is convenient for the preliminary positioning between two pipe body 1, improves the butt joint efficiency between pipe body 1, the surface wall side of pipe body 1 is provided with two connecting grooves 13, the surface wall periphery of two connecting grooves 13 is installed with sealing ring 14, sealing ring 14 is used to improve the sealing degree of pipe body 1 butt joint, connecting groove 13 is convenient for installing sealing ring 14, further improves the sealing efficiency of sealing ring 14, the inner wall periphery of pipe body 1 is fixedly connected with anti -invasion pipe 12, and anti -invasion pipe 12 is plastic material, has good resistance, improves the service life of pipe body 1, the inner wall side of anti -invasion pipe 12 is provided with receiving groove 15, the inner wall side of anti -invasion pipe 12 is provided with inclined groove 16, and inclined groove 16 is communicated with receiving groove 15, and receiving groove 15 provides a centralized deposition space for silt, avoids silt to be randomly accumulated in the bottom of whole pipe body 1, and silt is orderly guided using water flow and gravity effect, reduces the excessive accumulation in local area.

[0029] The utility model discloses when using, slide to take out the fixed plate 9 inside the sliding chute 8, through the interface of universal wheel 7 auxiliary pipe body 1 removes, will the positioning block 11 of one pipe body 1 aim at the positioning groove 10 of another pipe body 1, will sealing ring 14 aim at the butt joint of the socket 18, and then complete the preliminary positioning and butt joint, the interface of buffer ring 17 protection pipe body 1, will lead screw 5 connect fixed base 3 and nut seat 4, rotate lead screw 5 and drive nut seat 4 to move towards fixed base 3, improve the precision of butt joint between two pipe bodies 1, insert fixed plate 9 to avoid pipe body 1 to move, and the space that the storage groove 15 provides concentrated deposition to silt, and the slanted groove 16 uses the water flow and the gravity effect, and orderly guide silt out of the anti -invasion pipe 12.

[0030] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the utility model specification and the attached drawing contents, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.

Claims

1. A prestressed concrete cylinder pipe comprising a pipe body (1), characterized in that: The surface wall of the pipe body (1) is provided with a prestressed steel wire (2), the surface wall of the prestressed steel wire (2) is provided with a protective tube (19), the surface wall of the protective tube (19) is fixedly connected with two fixed seats (3), the surface wall of the protective tube (19) is fixedly connected with two nut seats (4), the inner wall of the two nut seats (4) is threadedly connected with a lead screw (5), the surface wall of the protective tube (19) is fixedly connected with two pipe pillows (6), the surface wall of the two pipe pillows (6) is fixedly connected with two sliding grooves (8), the inner wall of the two sliding grooves (8) is slidably connected with a fixed plate (9), and the bottom wall of the two pipe pillows (6) is provided with four universal wheels (7).

2. A pre-stressed concrete cylinder pipe as claimed in claim 1, wherein: The surface wall of the pipe body (1) is provided with four positioning grooves (10), and the surface wall of the pipe body (1) is fixedly connected with four positioning blocks (11).

3. A pre-stressed concrete cylinder pipe as claimed in claim 2, wherein: The surface wall of the pipe body (1) is fixedly connected with a buffer ring (17), and the surface wall of the pipe body (1) is fixedly connected with a socket (18).

4. A pre-stressed concrete cylinder pipe as claimed in claim 3, wherein: The surface wall of the pipe body (1) is provided with two connecting grooves (13), and the surface wall of the two connecting grooves (13) is provided with a sealing ring (14).

5. A pre-stressed concrete cylinder pipe as claimed in claim 4, wherein: The inner wall of the pipe body (1) is fixedly connected with an anti-invasion pipe (12), and the inner wall of the anti-invasion pipe (12) is provided with a receiving groove (15).

6. A pre-stressed concrete cylinder pipe as claimed in claim 5, wherein: The inner wall of the anti-invasion pipe (12) is provided with an inclined groove (16), and the inclined groove (16) and the receiving groove (15) are communicated.

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