Fixing device for water delivery PCCP (prestressed concrete cylinder pipe)

Abstract

The utility model discloses a water delivery PCCP (prestressed concrete cylinder pipe) fixing device, which belongs to the technical field of PCCP fixing, and comprises an annular steel belt, a locking component, a through hole and a steel wire rope, when the steel wire rope is used for grouting, mortar can be gathered downwards along the steel wire rope by repeatedly pulling the steel wire rope at the two ends of the steel wire rope, and the steel wire rope can be used for fixing the PCCP. Through the arrangement of the through holes, the vibrating effect can be achieved, mortar filling is more uniform, in the repeated drawing process of the steel wire rope, air in the filling gaps can be discharged outwards from the gaps between the through holes and the steel wire rope, mortar filling is more convenient, drawing can be more convenient through the arrangement of the drawing handle, and the practicability is high. And by arranging the sliding wheels, the steel wire rope can be pulled more smoothly when being pulled repeatedly, so that the pulling resistance is reduced, and the operation is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of PCCP pipeline fixing, and in particular relates to a water delivery PCCP pipeline fixing device. Background Art

[0002] PCCP, or prestressed concrete cylinder pipe, refers to a water transmission pipeline constructed by wrapping a high-strength concrete core with circumferential prestressing steel wire, then spraying a dense cement mortar protective layer. Composed of thin steel plates, high-strength steel wire, and concrete, PCCP fully and comprehensively leverages the tensile strength and sealing properties of steel with the compressive and corrosion resistance of concrete, resulting in high sealing, high strength, and high impermeability. PCCP boasts a reasonable composite structure, can withstand high internal and external pressures, has excellent joint sealing, strong seismic resistance, is easy and fast to construct, has excellent corrosion resistance, and is easy to maintain. It has attracted significant attention in the engineering community and is widely used in long-distance water transmission trunk lines, pressure inverted siphons, urban water supply projects, industrial pressurized water pipelines, power plant circulating water system sewer lines, and pressure sewage mains. Compared to existing pipe materials, PCCP offers advantages such as a wide range of applications, a long economic lifespan, excellent seismic performance, easy installation, low operating costs, and virtually no leakage.

[0003] During the installation of PCCP, a gap of 2 to 3 centimeters will naturally form at the socket joint. In order to slow down the flow of water into the joint and corrode the socket steel plate, and to ensure that the interface of the pressure water pipeline is tight and leak-free, it is necessary to fill the joint gap with mortar.

[0004] Chinese utility model patent CN221187004U discloses a PCCP pipe installation joint grouting auxiliary device, comprising: an annular steel plate, which is used to cover the pipe interface; a sealing layer, which is arranged between the annular steel plate and the outer wall of the pipe; and a locking member, which is used to close the free ends of the annular steel plate to form an annular structure. The combination of the annular steel plate and a long rubber strip can quickly cover the gap in the PCCP joint. The end hook and pull ring of the annular steel plate are then closed, so that the device is tightly clamped at the pipe interface, and mortar can be poured at the grouting port.

[0005] Although the above-mentioned existing technology can quickly cover the gap of PCCP joints, when pouring mortar, the steel plate wraps the gap, resulting in the air inside being unable to be discharged, and the mortar cannot completely fill the gap near the bottom, so that manual filling is required after pouring the mortar. Utility Model Content

[0006] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0007] In order to solve the problem raised in the above background technology that when pouring mortar, the steel plate wraps the gap, resulting in the internal air being unable to be discharged, and thus the mortar cannot completely fill the gap near the bottom, so that manual filling is required after pouring the mortar, the utility model adopts the following technical solution.

[0008] A water supply PCCP pipeline fixing device, wherein two PCCP pipe bodies are plugged into each other, a grouting gap is provided at the plugging point, an annular steel belt is sleeved on the outside of the grouting gap, a gap is left between the two ends of the annular steel belt, and locking components are installed at both ends of the annular steel belt. Through holes are provided on the outer wall of the annular steel belt near the two end portions, a steel wire rope is passed through the inside of one through hole and passed out from the inside of the other through hole. After the annular steel belt is fixed, the steel wire rope is located inside the grouting gap.

[0009] Preferably, both ends of the wire rope are detachably connected with pulling handles.

[0010] Preferably, the outer walls of the through holes on both sides of the annular steel belt are fixedly connected to a support frame, the interior of the support frame is rotatably connected to a sliding wheel, and the outer wall of the annular steel belt contacts the outer wall of the sliding wheel.

[0011] Preferably, a plurality of gripping handles are fixedly connected to the outer wall of the annular steel belt.

[0012] Preferably, the inner wall of the annular steel belt is provided with a sealing rubber layer.

[0013] Preferably, the locking assembly includes a mounting bracket, a locking handle, a locking ring and a locking handle. The outer wall of one end of the annular steel belt is fixedly connected to the mounting bracket, the locking handle is rotatably connected to the mounting bracket, the outer wall of the locking handle is rotatably connected to the locking ring, and the outer wall of the other end of the annular steel belt is fixedly connected to the locking plate.

[0014] Preferably, the plug connector is provided at one end of the PCCP tube body, and the plug groove is provided at the other end of the PCCP tube body. The plug connectors between two adjacent PCCP tube bodies are inserted into the plug groove for plugging, and a sealing rubber ring is sleeved on the outer wall of the plug connector.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. When grouting, the steel wire rope is repeatedly pulled at both ends of the steel wire rope to gather the mortar downward along the steel wire rope, which can play a vibrating role and make the mortar filling more uniform. In the process of repeated pulling of the steel wire rope, the air inside the grouting gap can be discharged from the gap between the through hole and the steel wire rope, making the grouting of the mortar more convenient.

[0017] 2. The setting of the pull-out handle makes pulling out more convenient and will not cut the operator's hands.

[0018] 3. The setting of the sliding wheel can make it smoother when repeatedly pulling the wire rope, making the pulling resistance lower and the operation more convenient.

[0019] 4. When installing the annular steel belt, first place the locking assembly near the bottom of the PCCP pipe body to facilitate operation by construction workers. After fixing it, the annular steel belt can be rotated through the multiple gripping handles to make the locking assembly vertically upward, making the installation of the annular steel belt more convenient, and thus facilitating the pouring of mortar. The setting of the sealing rubber layer can prevent the mortar from leaking out during the pouring of mortar.

[0020] 5. By rotating the locking handle in the locking assembly, the locking ring moves toward the locking plate and buckles on the outside of the locking plate. As the locking handle rotates, the locking plate can be tightened, thereby fixing the annular steel belt on the outside of the grouting gap. The hollow part in the middle of the locking ring facilitates grouting of the inside of the grouting gap by external equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic structural diagram of a water delivery PCCP pipeline fixing device in the present utility model;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the PCCP pipe body splicing in the present utility model;

[0023] Figure 3 This is a schematic diagram of the locking assembly structure in the present utility model;

[0024] Figure 4 This is a schematic diagram of the steel wire rope structure in the utility model;

[0025] Figure 5 This is a schematic diagram of the sliding wheel structure in the utility model;

[0026] Figure 6 This is a schematic diagram of the structure of the grip handle in the present utility model.

[0027] The corresponding relationship between the illustration labels and component names in the figure is as follows:

[0028] 100, PCCP pipe body; 101, plug connector; 102, sealing rubber ring; 103, pouring gap; 104, plug slot;

[0029] 200. Annular steel belt; 201. Locking plate; 202. Locking ring; 203. Mounting bracket; 204. Locking handle; 205. Through hole; 206. Steel wire rope; 207. Pull-out handle; 208. Support frame; 209. Sliding wheel; 210. Gripping handle; 211. Sealing rubber layer. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0033] like Figure 1 as well as Figure 2 As shown, it is a schematic structural diagram of a water delivery PCCP pipeline fixing device according to a preferred embodiment of the present invention. In the water delivery PCCP pipeline fixing device of this embodiment, a plug connector 101 is provided at one end of the PCCP pipe body 100, and a plug groove 104 is provided at the other end of the PCCP pipe body 100. The plug connector 101 between two adjacent PCCP pipe bodies 100 is inserted into the inner part of the plug groove 104 for plugging. The outer wall of the plug connector 101 is sleeved with a sealing rubber ring 102, and a pouring gap 103 is provided between the two plugged PCCP pipe bodies 100. The outer part of the pouring gap 103 is sleeved with an annular steel belt 200, and a gap is left between the two ends of the annular steel belt 200. In this embodiment, the pouring gap 103 is covered by the annular steel belt 200 and mortar is injected into the interior of the pouring gap 103 through the gap.

[0034] like Figure 3As shown, it is a schematic diagram of the locking assembly structure in this embodiment. The outer wall of one end of the annular steel belt 200 is fixedly connected to the mounting bracket 203, and the mounting bracket 203 is rotatably connected to the locking handle 204. The outer wall of the locking handle 204 is rotatably connected to the locking ring 202, and the outer wall of the other end of the annular steel belt 200 is fixedly connected to the locking plate 201. In this embodiment, by rotating the locking handle 204, the locking ring 202 moves toward the locking plate 201 and buckles on the outside of the locking plate 201. As the locking handle 204 rotates, the locking plate 201 can be tightened, and the annular steel belt 200 can be fixed to the outside of the grouting gap 103. The hollow part in the middle of the locking ring 202 facilitates external equipment to grout the inside of the grouting gap 103.

[0035] It is worth noting that the above-mentioned mounting bracket 203, locking handle 204, locking ring 202 and locking handle 204 are the locking components in this embodiment. The locking components include but are not limited to the mounting bracket 203, locking handle 204, locking ring 202 and locking handle 204. As long as it is a component that can fix the annular steel belt 200 outside the pouring gap 103, it can be applied to this embodiment.

[0036] like Figure 3 as well as Figure 4 As shown, it is a schematic diagram of the wire rope structure in this embodiment. A through hole 205 is provided on the outer wall of the annular steel belt 200 near the two side ends. The steel wire rope 206 is inserted into the inside of the through hole 205 on one side and passes out from the inside of the through hole 205 on the other side. After the annular steel belt 200 is fixed, the steel wire rope 206 is located inside the grouting gap 103. In this embodiment, during grouting, the mortar can be gathered downward along the steel wire rope 206 by repeatedly pulling the steel wire rope 206 at both ends, which can play a vibrating role and make the mortar filling more uniform. In the process of repeated pulling and pulling of the steel wire rope 206, the air inside the grouting gap 103 can be discharged outward from the gap between the through hole 205 and the steel wire rope 206, making the grouting of the mortar more convenient.

[0037] like Figure 4 As shown, in order to make it more convenient to pull out the wire rope 206, in this embodiment, the two ends of the wire rope 206 are detachably connected with pulling handles 207. The wire rope 206 is inserted before the annular steel belt 200 is installed. After insertion, the pulling handles 207 are installed on the two ends of the wire rope 206. The setting of the pulling handles 207 can make pulling more convenient and will not cut the operator's hands.

[0038] like Figure 5As shown, it is a schematic diagram of the sliding wheel structure in this embodiment. The outer walls of the annular steel belt 200 located on both sides of the through holes 205 are fixedly connected to the support frame 208, and the internal rotation of the support frame 208 is connected to the sliding wheel 209. The outer wall of the annular steel belt 200 contacts the outer wall of the sliding wheel 209. In this embodiment, the setting of the sliding wheel 209 can make the repeated pulling of the wire rope 206 smoother, so that the pulling resistance becomes lower and the operation is more convenient.

[0039] like Figure 6 As shown, it is a schematic diagram of the holding handle structure in this embodiment. The outer wall of the annular steel belt 200 is fixedly connected with multiple holding handles 210, and the inner wall of the annular steel belt 200 is provided with a sealing rubber layer 211. In this embodiment, when installing the annular steel belt 200, the locking assembly is first located near the bottom of the PCCP pipe body 100 for the convenience of construction personnel to operate. After fixing, the annular steel belt 200 can be rotated by the multiple holding handles 210 so that the locking assembly is vertically upward, making the installation of the annular steel belt 200 more convenient, and thus facilitating the pouring of mortar. The setting of the sealing rubber layer 211 can prevent the mortar from leaking out during the pouring of mortar.

[0040] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions or substitutions without departing from the concept of the present invention, which should be regarded as falling within the scope of protection determined by the claims submitted for the present invention.

Claims

1. A water delivery PCCP pipe fixing device, wherein two PCCP pipe bodies (100) are plugged into each other, and a pouring gap (103) is provided at the plugging point, characterized in that: An annular steel belt (200) is sleeved on the outside of the pouring gap (103), a gap is left between the two ends of the annular steel belt (200), and locking components are installed at both ends of the annular steel belt (200). Through holes (205) are provided on the outer wall of the annular steel belt (200) near the two end portions. A steel wire rope (206) is passed through the inside of the through hole (205) on one side and passes out from the inside of the through hole (205) on the other side. After the annular steel belt (200) is fixed, the steel wire rope (206) is located inside the pouring gap (103).

2. The water delivery PCCP pipe fixing device according to claim 1, characterized in that: Both ends of the steel wire rope (206) are detachably connected to a pulling handle (207).

3. The water delivery PCCP pipe fixing device according to claim 2, characterized in that: The outer walls of the annular steel belt (200) located at the through holes (205) on both sides are fixedly connected to the support frame (208), and the interior of the support frame (208) is rotatably connected to the sliding wheel (209), and the outer wall of the annular steel belt (200) contacts the outer wall of the sliding wheel (209).

4. The water delivery PCCP pipe fixing device according to claim 3, characterized in that: A plurality of gripping handles (210) are fixedly connected to the outer wall of the annular steel belt (200).

5. The water delivery PCCP pipe fixing device according to claim 4, characterized in that: The inner wall of the annular steel belt (200) is provided with a sealing rubber layer (211).

6. The water delivery PCCP pipe fixing device according to claim 5, characterized in that: The locking assembly comprises a mounting bracket (203), a locking handle (204), a locking ring (202) and a locking handle (204); the outer wall of one end of the annular steel belt (200) is fixedly connected to the mounting bracket (203); the locking handle (204) is rotatably connected to the mounting bracket (203); the outer wall of the locking handle (204) is rotatably connected to the locking ring (202); and the outer wall of the other end of the annular steel belt (200) is fixedly connected to the locking plate (201).

7. The water delivery PCCP pipe fixing device according to claim 6, characterized in that: A plug connector (101) is provided at one end of the PCCP pipe body (100), and a plug groove (104) is provided at the other end of the PCCP pipe body (100). The plug connector (101) between two adjacent PCCP pipe bodies (100) is inserted into the interior of the plug groove (104) for plugging. A sealing rubber ring (102) is sleeved on the outer wall of the plug connector (101).

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