Pipe orifice polishing and cleaning device for PCCP (prestressed concrete cylinder pipe)

Abstract

The utility model discloses a PCCP pipe orifice polishing and cleaning device, which comprises a frame body buckled on the PCCP pipe orifice and a guide wheel group contacted with the PCCP pipe orifice, the frame body is of a U-shaped structure formed by combining a first clamping plate, a second clamping plate and a vertical plate, the guide wheel group is arranged on one side of the vertical plate, and the guide wheel group is arranged on the other side of the vertical plate. An adjustable walking mechanism is arranged on the first clamping plate, a grinding wheel is arranged on the walking mechanism to grind the end opening of the PCCP, the walking mechanism is further provided with a driving walking wheel rolling on the surface of the PCCP, and the driving walking wheel generates airflow blowing the pipe opening of the PCCP in the walking process. In the walking and grinding process, the extrusion part is extruded, so that internal gas is extruded and discharged, the internal gas is blown to the position of the grinding wheel, ground gravel is blown away in time, contact between the grinding wheel and the surface of the PCCP is not affected, the grinding effect is guaranteed, the blown air is pressurized by means of movement of the walking wheel, and the synchronism of grinding operation is kept.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of PCCP pipeline processing, specifically relates to a pipe orifice polishing and cleaning device of PCCP pipe. BACKGROUND

[0002] PCCP pipe is a new type of composite pipe material formed by four basic raw materials of steel plate, prestressed steel wire, concrete and cement mortar after manufacturing processes such as steel cylinder forming, concrete pouring, prestress control technology application and protective layer spraying, in the process of pipe core pouring and spraying, PCCP's socket and spigot are attached with more concrete and mortar, since PCCP pipe core is buried underground, sealing is completed by the precision of PCCP socket and spigot, and the more attachments on the surface also cannot meet the requirements of corrosion prevention. Therefore, in the subsequent production process, the concrete and mortar on the surface of the socket and spigot must be cleaned, one is to meet the requirements of subsequent corrosion prevention material spraying, and the other is to ensure the size precision of the socket and spigot of PCCP pipe core.

[0003] A PCCP pipe polishing device disclosed by Chinese patent (publication number: CN212192384U) comprises a fixed part and a polishing part, the fixed part comprises a middle frame, the middle frame is arranged in a divergent shape with not less than three groups of extension frames, the extension frames are arranged in a ring array about the axis of the middle frame, a first sliding frame is coaxially and slidingly arranged in the extension frame, a support foot is fixedly arranged at one end of the first sliding frame away from the middle frame, the polishing part comprises a mounting frame and a second sliding frame slidingly mounted, the mounting frame is rotationally mounted at the position of the axis of the middle frame, the relative sliding direction between the mounting frame and the second sliding frame is perpendicular to the rotation axis of the mounting frame, a polishing wheel mounting seat is rotationally mounted at one end of the second sliding frame away from the mounting frame, the rotation axis of the polishing wheel mounting seat is parallel to the rotation axis of the mounting frame, and a cylindrical polishing wheel is fixedly mounted in the polishing wheel mounting seat. The whole mechanism is fixed and clamped at the pipe port by the fixed part, then the polishing wheel is driven to revolve by the polishing part, the polishing wheel revolves and rotates in the process, and the inner wall or outer wall of the pipe port is polished.

[0004] Although the device can revolve on the surface of the PCCP pipe to realize polishing in the above-mentioned patent, the sand and gravel falling off after being treated by the polishing wheel cannot be separated from the surface of the PCCP pipe in time, cannot be cleaned in time, hinders the feeding of the polishing wheel, and causes high energy consumption of the equipment, therefore, the existing pipe orifice polishing equipment needs to be improved. UTILITY MODEL CONTENTS

[0005] 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.

[0006] In order to solve the above problems, the present invention adopts the following technical solutions.

[0007] A device for polishing and cleaning the orifice of a PCCP pipe comprises a frame buckled on the port of the PCCP pipe and a guide wheel group in contact with the port of the PCCP pipe. The frame is a U-shaped structure composed of a first clamping plate, a second clamping plate, and a vertical plate. The guide wheel group is arranged on one side of the vertical plate. The first clamping plate is provided with an adjustable running mechanism. The running mechanism is provided with a polishing wheel for polishing the port of the PCCP pipe. The running mechanism is also provided with an active running wheel that rolls on the surface of the PCCP pipe. The active running wheel generates an airflow that blows the orifice of the PCCP pipe during the running process.

[0008] Preferably, the walking mechanism is provided with a slide, which is slidably arranged in a slide groove opened in the first clamping plate, a walking motor is fixed on the slide, a driving pulley is coaxially fixed on the output end of the walking motor, a driven pulley is coaxially arranged on the driving walking wheel, the driving pulley and the driven pulley are connected by a transmission belt, and the rotating shaft of the driven pulley is connected to the slide through a support seat.

[0009] Preferably, the active walking wheel includes a cylindrical walking wheel body, and a plurality of hollow extrusion parts are evenly distributed on the circumference of the walking wheel body. The extrusion part is made of a compressible and resilient material, and is an internally sealed tubular structure. One end of the extrusion part is facing the direction of the grinding wheel, and when the extrusion part is squeezed, air flow is sprayed toward the grinding wheel. When the extrusion part is released from squeezing, it expands and recovers to suck in external air from the other end.

[0010] Preferably, a guide cavity is provided in the axial direction inside the walking wheel body corresponding to each extrusion part, and the guide cavity is connected with the extrusion part through a through hole. Ventilation pipes are connected at both ends of the guide cavity, and a one-way valve is provided on the ventilation pipe, and the conduction direction of the two one-way valves is toward the grinding wheel.

[0011] Preferably, a driven walking wheel with the same structure as the driving walking wheel is provided on the second clamping plate, and the driven walking wheel and the driving walking wheel respectively contact the two sides of the pipe mouth of the PCCP pipe; the driven walking wheel is arranged on the driven wheel bracket, and the driven wheel bracket and the second clamping plate are elastically connected through a clamping assembly.

[0012] Preferably, the guide wheel set comprises a buffer box and guide wheels, a plurality of multi-springs are arranged in the buffer box, an output end of the buffer box is connected with a guide wheel support, and a plurality of guide wheels are arranged on the guide wheel support and are pressed against the surface of the port of the PCCP pipeline.

[0013] Preferably, the vertical plate is further provided with a pushing handle, and the pushing handle is in a disc structure and is rotationally connected to the vertical plate.

[0014] Preferably, the first clamping plate is further provided with an adjusting assembly for moving the sliding seat in the sliding groove, so as to adjust the polishing position of the polishing wheel.

[0015] Compared with the prior art, the device has the following beneficial effects:

[0016] The device is buckled at the port position of the PCCP pipeline, moves along the circumferential direction at the port position, and moves stably at the port position under the driving of the walking motor, and continuously polishes; during the walking and polishing process, the extrusion part is extruded to extrude and discharge the internal gas, and the extruded gas is blown at the position of the polishing wheel, so that the sand and gravel polished are blown away in time, the contact between the polishing wheel and the surface of the PCCP pipeline is not affected, the polishing effect is guaranteed, the blowing air is pressurized by the movement of the walking wheel, the synchronization of the polishing operation is maintained, and no additional equipment is needed; the extrusion part is located on the surface of the walking wheel, on the other hand, the contact effect between the walking wheel and the surface of the PCCP pipeline is increased, the pushing effect of the walking wheel on the device is guaranteed, a larger pushing force can be provided, and the device is suitable for more complex port environments; the guide wheel set and the walking wheels on both sides are arranged, so that the device moves more smoothly at the port position, the deviation of the polishing wheel during walking is avoided, and the polishing effect of the polishing wheel is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective structural schematic view of a port polishing and cleaning device for a PCCP pipeline.

[0018] Figure 2 It is a front view structural schematic view of a port polishing and cleaning device for a PCCP pipeline.

[0019] Figure 3 It is a structural schematic view of a walking mechanism in a port polishing and cleaning device for a PCCP pipeline.

[0020] Figure 4 It is a perspective structural schematic view of a driving walking wheel in a port polishing and cleaning device for a PCCP pipeline.

[0021] Figure 5 It is a sectional view structural schematic view of a driving walking wheel in a port polishing and cleaning device for a PCCP pipeline.

[0022] Figure 6 It is a use schematic view of a port polishing and cleaning device for a PCCP pipeline.

[0023] The correspondence between the reference signs and the component names in the figures is as follows:

[0024] 100, frame body; 101, first clamping plate; 102, second clamping plate; 103, vertical plate; 104, sliding groove; 105, driven walking wheel; 106, driven wheel support; 107, pressing assembly; 108, adjusting assembly; 200, walking mechanism; 201, sliding seat; 202, walking motor; 203, driving pulley; 204, transmission belt; 205, driven pulley; 206, driving walking wheel; 2061, walking wheel body; 2062, extrusion part; 2063, flow guide cavity; 2064, through hole; 2065, ventilation pipe; 2066, one-way valve; 207, support seat; 208, polishing wheel; 209, polishing motor; 210, driving gear; 211, driven gear; 212, transmission shaft; 300, guide wheel set; 301, buffer box; 302, guide wheel; 400, PCCP pipeline; 500, push handle. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0026] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in other ways that are not exactly as described in this description, and it is understood that persons skilled in the art can make similar modifications without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0027] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments. The present application provides the following embodiments.

[0028] As Figures 1-6The device for polishing and cleaning the pipe end of a PCCP pipe shown in the figure includes a frame 100 buckled on the port of the PCCP pipe 400 and a guide wheel group 300 in contact with the port of the PCCP pipe 400. The frame 100 is a U-shaped structure composed of a first clamping plate 101, a second clamping plate 102, and a vertical plate 103. The first clamping plate 101 and the second clamping plate 102 are parallel and respectively located at the two ends of the vertical plate 103. When the frame 100 is buckled at the port position of the PCCP pipe 400, the first clamping plate 101 and the second clamping plate 102 are respectively located on the two side surfaces of the PCCP pipe 400. The frame 100 moves in a circumferential direction at the port position of the PCCP pipe 400 to polish the port position.

[0029] The first clamping plate 101 is provided with an adjustable walking mechanism 200. Specifically, the walking mechanism 200 is provided with a slide 201. A slide groove 104 is provided on the first clamping plate 101. The slide 201 is slidably arranged in the slide groove 104. The first clamping plate 101 is also provided with an adjustment component 108 for pushing the slide 201 to move in the slide groove 104 for adjusting the grinding position. The adjustment component 108 can be a bolt, the thread passes through the first clamping plate 101 and extends into the slide groove 104. The end is rotatably connected to the slide 201. The position of the slide 201 is changed by rotating the adjustment component 108, and the position of the slide 201 is changed by moving along the slide groove 104. 01 and the port of the PCCP pipeline 400; a travel motor 202 is fixed on the slide 201, and a driving pulley 203 is coaxially fixed on the output end of the travel motor 202, and a driven pulley 205 is coaxially arranged on the driving travel wheel 206. The driving pulley 203 and the driven pulley 205 are connected by a transmission belt 204, and the rotating shaft of the driven pulley 205 is connected to the slide 201 through a support seat 207. The driving travel wheel 206 contacts one side surface of the PCCP pipeline 400, and the driving travel wheel 206 is driven to rotate by the travel motor 202, so that the device moves on the port of the PCCP pipeline 400.

[0030] A grinding wheel 208 is also provided on the same side of the slide 201 as the active walking wheel 206. A transmission shaft 212 is fixed on the central axis of the grinding wheel 208, and the transmission shaft 212 is rotatably connected to the slide 201. A driven gear 211 is coaxially provided on the transmission shaft 212. A grinding motor 209 is also fixed on the slide 201. A driving gear 210 meshing with the driven gear 211 is coaxially provided on the output end of the grinding motor 209. The grinding wheel 208 is driven to rotate by the grinding motor 209 to grind the port of the PCCP pipe 400.

[0031] The second clamping plate 102 is provided with a driven walking wheel 105, which contacts the two sides of the pipe mouth of the PCCP pipe 400 respectively with the driven walking wheel 105 and the active walking wheel 206, and the equipment can be stably moved by rolling on the surface of the PCCP pipe 400 by the driven walking wheel 105 and the active walking wheel 206; the driven walking wheel 105 is movably arranged on the surface of the second clamping plate 102 and can be adaptively used according to PCCP pipes 400 of different thicknesses. Specifically, the driven walking wheel 105 is arranged on the driven wheel bracket 106, and the driven wheel bracket 106 and the second clamping plate 102 are elastically connected by a clamping assembly 107. The clamping assembly 107 is mainly composed of a guide rod and a spring. Under the push of the spring, the driven wheel bracket 106 is pressed against the surface of the PCCP pipe 400, providing sufficient pressure to make the driven walking wheel 105 and the active walking wheel 206 roll on the surface of the PCCP pipe 400.

[0032] A guide wheel assembly 300 is provided on the vertical plate 103. The guide wheel assembly 300 faces the end face of the pipe mouth of the PCCP pipe 400 and is supported at the position of the pipe mouth end face, so that the device can move stably on the pipe mouth of the PCCP pipe 400. The guide wheel assembly 300 includes a buffer box 301 and a guide wheel 302. The buffer box 301 is provided with multiple springs. The output end of the buffer box 301 is connected to the guide wheel bracket. The multiple springs push the guide wheel bracket toward the end of the PCCP pipe 400. The guide wheel bracket is provided with multiple guide wheels 302. The guide wheels 302 are pressed against the end surface of the PCCP pipe 400 and are in rolling contact with the end surface of the PCCP pipe 400. The device can also be assisted to move at the end position of the PCCP pipe 400 by manual pressing. A pushing handle 500 is provided on the outer side of the vertical plate 103. The pushing handle 500 is a disc structure with a central axis rotatably connected to the vertical plate 103. The staff holds the pushing handle 500 to generate thrust on the device to assist the device in operation.

[0033] The driven walking wheel 105 and the active walking wheel 206 have the same structure, both including a cylindrical walking wheel body 2061, and a plurality of hollow extrusion parts 2062 are evenly distributed on the circumference of the walking wheel body 2061. The extrusion part 2062 is made of a compressible and resilient material, specifically rubber. The extrusion part 2062 has a cavity inside and is sealed and connected to the surface of the walking wheel body 2061. The extrusion part 2062 is an internally sealed tubular structure with the same length as the walking wheel body 2061. One end of the extrusion part 2062 is directed toward the grinding wheel 208, and when the extrusion part 2062 is squeezed, the internal cavity is compressed, squeezing out the internal air, thereby blowing air toward the grinding wheel 208. When the extrusion part 2062 is released from extrusion, it can rebound and expand, and suck in external air from the outer end. To achieve continuous one-way flow of internal air; preferably, an axial guide cavity 2063 is opened inside the walking wheel body 2061 corresponding to each extrusion part 2062, and the guide cavity 2063 is connected with the extrusion part 2062 through the through hole 2064. When the extrusion part 2062 is squeezed, the internal air enters the guide cavity 2063 through the through hole 2064, and both ends of the guide cavity 2063 are connected with ventilation pipes 2065, and the ventilation pipes 2065 are provided with one-way valves 2066, and the conducting directions of the two one-way valves 2066 are both toward the grinding wheel 208. The air entering the guide cavity 2063 flows inside and is blown out from the ventilation pipe 2065 at one end toward the grinding wheel 208, thereby achieving spray cleaning, so that the device can spray and clean the ground gravel during the walking process.

[0034] 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 PCCP pipe end grinding and cleaning device, comprising a frame (100) buckled on the end of the PCCP pipe (400) and a guide wheel assembly (300) in contact with the end of the PCCP pipe (400), characterized in that: The frame (100) is a U-shaped structure composed of a first clamping plate (101), a second clamping plate (102), and a vertical plate (103). The guide wheel group (300) is arranged on one side of the vertical plate (103). An adjustable walking mechanism (200) is provided on the first clamping plate (101). A grinding wheel (208) is provided on the walking mechanism (200) for grinding the port of the PCCP pipe (400). The walking mechanism (200) is also provided with an active walking wheel (206) that rolls on the surface of the PCCP pipe (400). The active walking wheel (206) generates an airflow that blows toward the pipe opening of the PCCP pipe (400) during the walking process.

2. The PCCP pipe opening polishing and cleaning device according to claim 1, characterized in that: The walking mechanism (200) is provided with a slide (201), the slide (201) being slidably arranged in a slide groove (104) provided in the first clamping plate (101), a walking motor (202) being fixed on the slide (201), a driving pulley (203) being coaxially fixed on the output end of the walking motor (202), a driven pulley (205) being coaxially arranged on the driving walking wheel (206), the driving pulley (203) and the driven pulley (205) being connected to each other through a transmission belt (204), and a rotating shaft of the driven pulley (205) being connected to the slide (201) through a support seat (207).

3. The PCCP pipe opening polishing and cleaning device according to claim 1 or 2, characterized in that: The active walking wheel (206) comprises a cylindrical walking wheel body (2061), a plurality of hollow extrusion parts (2062) are evenly distributed on the circumference of the walking wheel body (2061), the extrusion parts (2062) are made of a compressible and resilient material, the extrusion parts (2062) are internally sealed tubular structures, one end of the extrusion parts (2062) faces the direction of the grinding wheel (208), and when the extrusion parts (2062) are squeezed, air flow is sprayed toward the grinding wheel (208), and when the extrusion parts (2062) are released from squeezing, they expand and recover to absorb external air from the other end.

4. The PCCP pipe opening polishing and cleaning device according to claim 3, characterized in that: A guide cavity (2063) is provided in the interior of the walking wheel body (2061) corresponding to each extrusion portion (2062) along the axial direction. The guide cavity (2063) is connected to the interior of the extrusion portion (2062) via a through hole (2064). Ventilation pipes (2065) are connected to both ends of the guide cavity (2063). One-way valves (2066) are provided on the ventilation pipes (2065). The two one-way valves (2066) are both directed toward the grinding wheel (208).

5. The PCCP pipe opening polishing and cleaning device according to claim 1, characterized in that: The second clamping plate (102) is provided with a driven running wheel (105) having the same structure as the driving running wheel (206), and the driven running wheel (105) and the driving running wheel (206) respectively contact two sides of the pipe mouth of the PCCP pipe (400); the driven running wheel (105) is arranged on a driven wheel bracket (106), and the driven wheel bracket (106) and the second clamping plate (102) are elastically connected via a pressing assembly (107).

6. The PCCP pipe opening polishing and cleaning device according to claim 1, characterized in that: The guide wheel assembly (300) comprises a buffer box (301) and a guide wheel (302). The buffer box (301) is provided with a plurality of springs. The output end of the buffer box (301) is connected to a guide wheel bracket. The guide wheel bracket is provided with a plurality of guide wheels (302). The guide wheels (302) are pressed against the port surface of the PCCP pipeline (400).

7. The PCCP pipe opening polishing and cleaning device according to claim 1, characterized in that: A pushing handle (500) is also provided on the vertical plate (103). The pushing handle (500) is a disc structure, and the central axis is rotatably connected to the vertical plate (103).

8. The PCCP pipe opening polishing and cleaning device according to claim 1, characterized in that: The first clamping plate (101) is also provided with an adjustment component (108) for pushing the slide (201) to move in the slide groove (104) and is used to adjust the grinding position of the grinding wheel (208).

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