Cutting and grinding integrated crushing device for pavement around inspection well and crushing method of cutting and grinding integrated crushing device

Abstract

The invention discloses an inspection well peripheral pavement cutting and grinding integrated crushing device and a crushing method thereof, and relates to the technical field of road construction, the inspection well peripheral pavement cutting and grinding integrated crushing device comprises a lifting oil cylinder arranged on the lower side of an oil cylinder mounting seat, the output end of the lifting oil cylinder is connected with a hydraulic motor, and the output end of the hydraulic motor is connected with a cutting arm connecting seat; the deformed circular support is fixedly connected with the oil cylinder mounting seat through a fixing rod, and the cutting arm connecting seat is rotationally arranged on the deformed circular support; the adjustable telescopic cutting arms are arranged in one-to-one correspondence with the cutting arm connecting seats, the adjustable telescopic cutting arms are arranged on the cutting arm connecting seats in a sliding mode, cutter handles are arranged at the outer ends of the adjustable telescopic cutting arms, and alloy cutting teeth are arranged at the lower ends of the cutter handles; the supporting structure is arranged on the lower side of the deformed circular bracket; the dustproof structure is arranged on the periphery of the variable circular support, and when the alloy cutting teeth cut and grind the road surface, the lower end of the dustproof structure is attached to the ground; the crushing device can improve the crushing efficiency and the completion quality of surrounding road surfaces.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of road construction, and more particularly relates to a check well peripheral pavement cutting and grinding integrated breaking device and a breaking method thereof. BACKGROUND

[0002] The check well is caused by the insufficient vehicle load and self-bearing capacity, resulting in the problems of check well peripheral damage, settlement, bumping, noise and the like. At present, the city management follows the standards of "no defect, no damage, no settlement, no noise and no bumping", and focuses on solving the problems of noise disturbance and pavement damage. The check well cover disease has become an event that the people reflect more strongly, and the innovation and research and development of efficient maintenance and replacement of check well cover technology and special equipment have become an important problem to be solved. At present, the cover replacement work of the pipe network operation unit has been partially mechanized, and generally adopts the way of cutting edge machine cutting edge, manual pneumatic pick breaking pavement, manual removal and transportation of cover, and manual backfilling and smoothing. This operation mode causes the problems of long operation duration, high labor intensity, noise disturbance and uneven construction quality in the cover replacement work. With the development of science and technology and the fine requirements of city management, it is urgent to explore and research and develop a more efficient, safe, green, economic and standard integrated mechanized operation equipment. SUMMARY

[0003] The purpose of the present application is to solve the problems existing in the prior art, and provide a check well peripheral pavement cutting and grinding integrated breaking device and a breaking method thereof. The alloy cutting tooth for breaking pavement is arranged on the adjustable telescopic cutting arm of different lengths, and the pavement covered by all the alloy cutting teeth together just meets the cutting width of the check well periphery. When the support structure is stably connected with the check well, all the alloy cutting teeth are driven to rotate by the hydraulic motor, and the alloy cutting tooth is gradually increased in cutting depth by cooperating with the lifting oil cylinder, so that the cutting and grinding of the check well periphery pavement can be quickly realized.

[0004] In order to achieve the above purpose, the present application provides a check well peripheral pavement cutting and grinding integrated breaking device, comprising: A lifting oil cylinder is arranged on the lower side of the oil cylinder mounting seat, the output end of the lifting oil cylinder is connected with the hydraulic motor, and the output end of the hydraulic motor is connected with the cutting arm connecting seat; A deformed circular support is fixedly connected with the oil cylinder mounting seat through a fixing rod, the cutting arm connecting seat is arranged along the radial direction of the deformed circular support, and the cutting arm connecting seat is rotationally arranged on the deformed circular support; A plurality of adjustable telescopic cutting arms are arranged one by one corresponding to the cutting arm connecting seat, the adjustable telescopic cutting arms are slidingly arranged on the cutting arm connecting seat, a tool handle is arranged on the outer end of the adjustable telescopic cutting arm, and an alloy cutting tooth is arranged on the lower end of the tool handle; A support structure is arranged at the lower side of the deformed circular support; A dustproof structure is arranged at the outer periphery of the variable circular support, and the lower end of the dustproof structure is attached to the ground when the alloy pick is cutting and grinding the road surface.

[0005] Preferably, a transmission pipe is arranged on the output end of the hydraulic motor, the transmission pipe is rotationally arranged at the outer periphery of the fixed rod, and the outer periphery of the transmission pipe is provided with a plurality of rib plates corresponding to the cutting arm connecting seat.

[0006] Preferably, the cutting arm connecting seat is provided with a fixing hole, and the adjustable telescopic cutting arm is provided with a plurality of adjusting holes in the length direction, and the adjusting holes are connected with the fixing hole through adjusting bolts.

[0007] Preferably, the number of the adjustable telescopic cutting arms is six, the length of the alloy pick in the radial direction is 40mm, and the extension length of each tool holder is different when the alloy pick is cutting and grinding the road surface.

[0008] Preferably, the support structure comprises a center positioning rod and a plurality of support frames, the center positioning rod is connected with the center of the deformed circular support, and the support frames are uniformly arranged on the outer periphery of the deformed circular support.

[0009] Preferably, a plurality of alloy picks are arranged on the tool holder, and each alloy pick is arranged at a different angle.

[0010] Preferably, the dustproof structure comprises: A fixed dust cover is arranged at the outer periphery of the fixed end of the hydraulic motor. A sliding limiting ring is arranged at the outer periphery of the fixed dust cover, and the sliding limiting ring is provided with a sliding guide ring in the axial direction. A sliding dust cover is connected with the sliding guide ring.

[0011] Preferably, the sliding dust cover and the fixed dust cover are both multilayer soundproofing materials, and the soundproofing material comprises a stainless steel plate, an acoustic absorbing glue layer, an aluminum foil layer, an IIR composite damping layer and a reflective acoustic panel.

[0012] Preferably, a shell is arranged outside the hydraulic motor.

[0013] The application also provides an inspection well peripheral road surface cutting and grinding integrated crushing method, which utilizes the above inspection well peripheral road surface cutting and grinding integrated crushing device, and the crushing method comprises the following steps: The support structure is positioned and connected with the inspection well; Each adjustable telescopic cutting arm is arranged to have different extension lengths; The alloy pick is adjusted to be in contact with the road surface through the lifting oil cylinder; The dustproof structure is adjusted to be in contact with the road surface; The road surface is crushed through the control of the hydraulic motor and the lifting oil cylinder.

[0014] The present application provides a check well peripheral road surface cutting and grinding integrated crushing device and a crushing method thereof, which has the beneficial effects that: 1. When the crushing device is used for construction, the work efficiency can be improved, and the crushing of the peripheral asphalt pavement of a check well can be completed within 10 minutes; 2. The crushing device is provided with a plurality of alloy picks below the cutter handle, and the directions of each alloy pick are different, when the adjustable telescopic cutting arm is rotated by the hydraulic motor, the asphalt pavement can be crushed in a granular manner, and the road surface forms granular concrete garbage, which is convenient for subsequent collection and treatment; 3. The crushing device is provided with a plurality of adjustable telescopic cutting arms, which can adjust the length of the cutting arm according to the different diameters of the check well and the cutting span required, compared with the ordinary cutting machine, the mechanical efficiency is obviously improved, and the construction cost is greatly controlled; 4. The crushing device is provided with a dustproof structure outside the deformed circular support, when the extension length and the downward depth of the alloy pick are adjusted in place, the dust cover can be completely covered outside the whole device to realize the effect of sound insulation and dust prevention, so that the problem of disturbing the public can be solved; 5. Before using the crushing device, the center positioning rod and the support frame are first positioned and connected with the check well, and then the alloy pick is rotated and cut around the center positioning rod. This mechanized construction can make the crushed road surface edge of the check well more regular, so as to improve the appearance quality.

[0015] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the several views, and wherein:

[0017] Figure 1 A structure diagram of a check well peripheral road surface cutting and grinding integrated crushing device according to one embodiment of the present application is shown.

[0018] Figure 2 A structure diagram of a support structure according to one embodiment of the present application is shown.

[0019] Figure 3A schematic diagram showing the connection of a tool holder and alloy pick according to one embodiment of the present application is shown.

[0020] Figure 4 A schematic diagram showing the connection of a cutting arm connecting seat and an adjustable telescopic cutting arm according to one embodiment of the present application is shown.

[0021] Figure 5 A schematic diagram showing the structure of a dustproof structure according to one embodiment of the present application is shown.

[0022] Figure 6 A schematic diagram showing the installation of a manhole peripheral pavement cutting and grinding integrated breaking device on a manhole according to one embodiment of the present application is shown.

[0023] BRIEF DESCRIPTION OF THE DRAWINGS 1, lifting oil cylinder; 2, oil cylinder mounting seat; 3, hydraulic motor; 4, deformed circular support; 5, adjustable telescopic cutting arm; 6, tool holder; 7, alloy pick; 8, adjusting hole; 9, adjusting bolt; 10, center positioning rod; 11, support frame; 12, fixed dust cover; 13, sliding limiting ring; 14, sliding dust cover; 15, speed reducer; 16, housing; 17, manhole cover; 18, peripheral pavement. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present application will be described in more detail below. Although the preferred embodiments of the present application are described below, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present application is more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0025] As Figure 1 shown, the present application provides a manhole peripheral pavement cutting and grinding integrated breaking device, comprising: a lifting oil cylinder 1 disposed on the lower side of the oil cylinder mounting seat 2, the output end of the lifting oil cylinder 1 connected with the hydraulic motor 3, and the output end of the hydraulic motor 3 connected with the cutting arm connecting seat; a deformed circular support 4 fixedly connected with the oil cylinder mounting seat 2 through a fixed rod, the cutting arm connecting seat disposed along the radial direction of the deformed circular support 4, and the cutting arm connecting seat rotationally disposed on the deformed circular support 4; a plurality of adjustable telescopic cutting arms 5 corresponding to the cutting arm connecting seat, the adjustable telescopic cutting arms 5 slidingly disposed on the cutting arm connecting seat, the outer end of the adjustable telescopic cutting arms 5 provided with a tool holder 6, and the lower end of the tool holder 6 provided with an alloy pick 7; a support structure disposed on the lower side of the deformed circular support 4; The dustproof structure is arranged on the outer periphery of the variable circular support, and the lower end of the dustproof structure is attached to the ground when the alloy pick 7 is cutting and grinding the road surface.

[0026] Specifically, the crushing device is connected with the road construction equipment through the oil cylinder mounting seat 2, the lifting oil cylinder 1 is installed upside down, the telescopic end of the lifting oil cylinder 1 is connected with the base of the hydraulic motor 3, the hydraulic motor 3 is a power element for providing rotary force in the device, the rotating end of the hydraulic motor 3 is connected with the cutting arm connecting seat, the cutting arm connecting seat is arranged along the radial direction of the deformed circular support 4, and the ends of the cutting arm connecting seat that are close to each other are located at the center position of the deformed circular support 4, and the ends of the cutting arm connecting seat that are away from each other are telescopically provided with adjustable telescopic cutting arms 5, and the distal ends of the adjustable telescopic cutting arms 5 are provided with tool shanks 6 and alloy picks 7, so that when the hydraulic motor 3 rotates, a plurality of alloy picks 7 can be driven to rotate, thereby realizing the crushing construction of the surrounding road surface 18 of the inspection well; in the crushing device, the rotating end of the hydraulic motor 3 is connected with the adjustable telescopic cutting arm 5 through the cutting arm connecting seat, and the deformed circular support 4 is connected with the oil cylinder mounting seat 2 through the fixing rod, so that when the alloy pick 7 is driven to rotate by the hydraulic motor 3 and is driven to lift by the lifting oil cylinder 1, the deformed circular support 4 is always in a static state, and the deformed circular support 4 is positioned and connected with the inspection well through the supporting structure, so that the position of the crushed road surface and the construction quality can be ensured to meet the requirements when the alloy pick 7 crushes the surrounding road surface 18 of the inspection well; in addition, a dustproof structure is arranged on the outer periphery of the variable circular support, the top surface of the dustproof structure is always covered above the variable circular support, the top surface of the dustproof structure is provided with a hole through which the hydraulic motor 3 passes, and the side surface of the dustproof structure is tubular, which can realize lifting movement; when the supporting structure is connected with the inspection well, the adjustable telescopic cutting arm 5 is adjusted to extend, and the lifting oil cylinder 1 is adjusted to adjust the position of the alloy pick 7 attached to the road surface, the side surface of the dustproof structure is in a raised state, after the crushing device is connected with the inspection well, the alloy pick 7 is attached to the road surface in place, and then the side surface of the dustproof structure is lowered to be attached to the road surface, so that the dustproof structure can separate the road crushing construction environment from the surrounding living environment, and the road crushing construction will not affect the surrounding residents' life, even if the lifting oil cylinder 1 drives the alloy pick 7 to move downward to change the cutting depth, the dustproof structure is still arranged on the outer periphery of the entire crushing device.

[0027] Preferably, a transmission pipe is arranged on the output end of the hydraulic motor 3, the transmission pipe is rotatably arranged on the outer periphery of the fixing rod, the outer periphery of the transmission pipe is provided with a plurality of rib plates, and the rib plates are correspondingly connected with the cutting arm connecting seat.

[0028] Specifically, the rotating end of the hydraulic motor 3 is connected with the cutting arm connecting seat through a transmission pipe, the outer pipe wall of the transmission pipe and the cutting arm connecting seat are connected perpendicularly at 90°, a rib plate is arranged between the transmission pipe and the cutting arm connecting seat to improve the connecting strength of the two, and it is ensured that the rotating force of the hydraulic motor 3 can be stably transmitted to the end tool handle 6 of the adjustable telescopic cutting arm 5. The hollow rotary motor can be selected for the hydraulic motor 3, so that the transmission pipe can be sleeved on the outer periphery of the fixed rod, the fixed rod is arranged through the middle part of the hollow rotary motor, and the fixed rod connects the oil cylinder mounting seat 2 and the deformed circular support 4, so that no matter how the transmission pipe rotates under the driving of the hydraulic motor 3, the deformed circular support 4 will not be affected and fixed with the inspection well.

[0029] As shown in Figure 4 The cutting arm connecting seat is provided with a fixing hole, the adjustable telescopic cutting arm 5 is provided with a plurality of adjusting holes 8 in the length direction, and the adjusting hole 8 is connected with the fixing hole through an adjusting bolt 9.

[0030] Specifically, the adjustable telescopic cutting arm 5 is arranged in the length direction of the cutting arm connecting seat, a plurality of adjusting holes 8 are arranged on the adjustable telescopic cutting arm 5, and when the cutting position of each alloy pick 7 needs to be adjusted, the adjusting hole 8 and the fixing hole of the cutting arm connecting seat can be connected.

[0031] Preferably, the number of the adjustable telescopic cutting arms 5 is six, the length of the alloy pick 7 in the radial direction is 40 mm, and the extension lengths of each tool handle 6 are different when the alloy pick 7 cuts and grinds the road surface.

[0032] Specifically, the cutting width of the inspection well peripheral road surface 18 should be greater than 200mm, so that six cutting arm connecting seats can be arranged in the crushing device, the cutting arm connecting seats are arranged at the same angle, the connecting position of the cutting arm connecting seat and the adjustable telescopic cutting arm 5 is adjusted, so that the circumferential trajectory formed after the rotation of each cutter holder 6 is adjacent, and the length of the alloy pick 7 on the cutter holder 6 in the radial direction of the deformed circular support 4 is 40mm. When the hydraulic motor 3 drives the cutting arm connecting seat and the adjustable telescopic cutting arm 5 to rotate, the area of the alloy pick 7 crushing the road surface meets the cutting width requirement. In this way, the alloy picks 7 at different circumferential trajectories can crush the periphery of the inspection well, which can reduce the resistance of each alloy pick 7 to the ground and prolong the service life of the alloy pick 7. In addition, the multiple alloy picks 7 can crush the road surface, which can improve the efficiency of road surface crushing and make the crushed area zero. After each alloy pick 7 crushes the road surface, it can form very small granular garbage, which is convenient for subsequent garbage recycling. When the hydraulic motor 3 drives the alloy pick 7 to rotate, each alloy pick 7 is at different positions on the outer periphery of the inspection well. In this way, the garbage produced after the crushing of each alloy pick 7 will not be concentrated in one place. The alloy pick 7 not only crushes the road surface, but also pushes the garbage on the road surface to realize circumferential rotation. Since each alloy pick 7 is not located on the same straight line, the alloy pick 7 can easily push the garbage blocking its movement to both sides, reducing the load of the hydraulic motor 3.

[0033] As shown in Figure 2 , the support structure includes a center positioning rod 10 and a plurality of support frames 11. The center positioning rod 10 is connected with the center of the deformed circular support 4, and the support frames 11 are uniformly arranged on the outer periphery of the deformed circular support 4.

[0034] Specifically, the center positioning rod 10 and the support frames 11 are arranged on the lower side of the deformed circular support 4. The center positioning rod 10 is arranged at the center position of the deformed circular support 4, and the plurality of support frames 11 are uniformly arranged on the outer periphery edge of the deformed circular support 4. When the crushing device needs to be connected with the inspection well, the center positioning rod 10 can be connected with the positioner in the inspection well first. The positioner is a structure arranged on the existing inspection well. Then, the plurality of support frames 11 abut against the outer surface of the inspection well. In this way, the deformed circular support 4 can be fixedly connected with the inspection well. Finally, the hydraulic motor 3 is started to drive the alloy pick 7 to accurately crush the peripheral road surface of the inspection well.

[0035] As shown in Figure 3 , a plurality of alloy picks 7 are arranged on the cutter holder 6, and each alloy pick 7 is arranged at a different angle.

[0036] Specifically, the adjustable telescopic cutting arm 5 is arranged in a horizontal direction, the shank 6 is connected with the adjustable telescopic cutting arm 5 perpendicularly, a plurality of alloy pick teeth 7 in the shape of a bullet head are arranged at the lower end of each shank 6, and the angle of each alloy pick tooth 7 is different, so that when the alloy pick tooth 7 is rotated under the driving of the hydraulic motor 3, granular crushing of the asphalt concrete pavement can be realized.

[0037] As shown in Figure 5 the dustproof structure comprises: a fixed dust cover 12 arranged at the outer periphery of the fixed end of the hydraulic motor 3; a sliding limiting ring 13 arranged at the outer periphery of the fixed dust cover 12, the sliding limiting ring 13 being arranged with a sliding guide ring in the axial direction; a sliding dust cover 14 connected with the sliding guide ring.

[0038] Preferably, the sliding dust cover 14 and the fixed dust cover 12 are both multi-layer sound insulation materials, and the sound insulation material comprises a stainless steel plate, an acoustic absorbing glue layer, an aluminum foil layer, an IIR composite damping layer and a reflective sound absorbing plate.

[0039] Specifically, in the dustproof structure arranged at the outer periphery of the deformed circular support 4, the fixed dust cover 12 is located at the upper part of the deformed circular support 4 and is sleeved on the outer periphery of the hydraulic motor 3, the sliding limiting ring 13 is arranged at the outer periphery of the fixed dust cover 12, and the sliding dust cover 14 can be lifted and lowered along the sliding limiting ring 13, the sliding dust cover 14 is in the lifted state when the support structure is located before the connection with the inspection well, the sliding dust cover 14 can be lowered to the ground after the support structure is fixedly connected with the inspection well and the alloy pick tooth 7 is in place, and finally the hydraulic motor 3 and the lifting oil cylinder 1 are started. The cross section of the sound insulation material is a multi-layer sandwich structure, mainly composed of a stainless steel plate, an acoustic absorbing glue layer, a 100um thick soft aluminum foil, an IIR composite damping layer and a reflective sound absorbing plate; the high frequency part of the noise can be reflected, absorbed and attenuated through the reflective sound absorbing plate due to the weak penetration ability; the low frequency part of the noise is attenuated through the reflective sound absorbing plate, and then absorbed and attenuated through the IIR composite damping layer and the 100um soft aluminum foil to form a composite sound absorbing system, and the acoustic absorbing glue layer outside the plate performs the third layer absorption to reduce the noise to 60 decibels. The dustproof structure adopts a sliding closed design to prevent dust from flying during the cutting process to the greatest extent.

[0040] Preferably, the hydraulic motor 3 is sleeved with a shell 16 outside.

[0041] Specifically, the hydraulic motor 3 is connected with the fixed dust cover 12 in a penetrating manner, and the shell 16 is arranged outside the hydraulic motor 3, so that the hydraulic motor 3 can be effectively protected.

[0042] As shown in Figure 6As shown, the application also provides a method for cutting and grinding the surrounding pavement of an inspection well, using the cutting and grinding device for the surrounding pavement of an inspection well, characterized in that the method comprises the following steps: Positioning the support structure and connecting it to the inspection well; Setting each adjustable telescopic cutting arm 5 to a different length; Adjusting the alloy pick 7 to fit the pavement by the lifting oil cylinder 1; Adjusting the dustproof structure to fit the pavement; Controlling the hydraulic motor 3 and the lifting oil cylinder 1 to perform the breaking operation on the pavement.

[0043] In summary, during use, the central positioning rod 10 is connected to the positioner in the inspection well, and the support frame 11 is supported by the manhole cover 17, so that the deformed circular support 4 and the manhole cover 17 are in a parallel state, and the central positioning rod 10 makes the breaking device and the inspection well in a centered state. Then, according to the size of the inspection well and the width of the cutting required, the length of all adjustable telescopic cutting arms 5 is adjusted, so that the circumferential area formed after the rotation of each alloy pick 7 is arranged adjacent to each other. After the length of the adjustable telescopic cutting arm 5 is determined, the adjusting bolt 9 on each cutting arm connecting seat is fixed. Since the height of each adjustable telescopic cutting arm 5 is the same and the length of the tool handle 6 is the same, the height position of each alloy pick 7 is also the same. As long as the alloy pick 7 is fitted to the surrounding asphalt pavement of the inspection well through the lifting oil cylinder 1, the position of the dustproof structure is adjusted, and the sliding dust cover 14 is lowered to contact the ground. In this way, the hydraulic motor 3 can be started to drive the alloy pick 7 to rotate and break the surrounding pavement 18 of the inspection well. After the hydraulic motor 3 is started for a period of time, the lifting oil cylinder 1 is started, so that the hydraulic motor 3 and the lifting oil cylinder 1 operate simultaneously and cooperatively to start deep breaking of the surrounding pavement 18 of the inspection well. Then, the lifting oil cylinder 1 is closed for a while, and only the hydraulic motor 3 is kept running. After the alloy pick 7 breaks the pavement at a certain height for a set time, the lifting oil cylinder 1 is started again, and the lifting oil cylinder 1 and the hydraulic motor 3 are used in cooperation thereafter until the surrounding pavement 18 is broken.

[0044] The above has described the embodiments of the application, and the above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A road surface cutting and grinding integrated crushing device around inspection wells, characterized in that, include: A lifting cylinder is installed on the lower side of the cylinder mounting base. The output end of the lifting cylinder is connected to a hydraulic motor, and the output end of the hydraulic motor is connected to a cutting arm connecting base. The deformable circular bracket is fixedly connected to the hydraulic cylinder mounting seat by a fixing rod. The cutting arm connecting seat is arranged along the radial direction of the deformable circular bracket and is rotatably mounted on the deformable circular bracket. Multiple adjustable telescopic cutting arms are provided, each corresponding to a cutting arm connecting seat. The adjustable telescopic cutting arm is slidably mounted on the cutting arm connecting seat. A tool holder is provided on the outer end of the adjustable telescopic cutting arm, and an alloy cutting tooth is provided on the lower end of the tool holder. A support structure is provided on the lower side of the deformable circular bracket; A dustproof structure is installed on the outer periphery of the variable circular bracket. When the alloy cutting teeth cut and grind the road surface, the lower end of the dustproof structure is in contact with the ground.

2. The integrated crushing and grinding device for road surface around inspection wells according to claim 1, characterized in that, A transmission tube is provided on the output end of the hydraulic motor. The transmission tube is rotatably disposed on the outer periphery of the fixed rod. Multiple ribs are provided on the outer periphery of the transmission tube, and the ribs are correspondingly connected to the cutting arm connecting seat.

3. The integrated crushing and grinding device for road surface around inspection wells according to claim 2, characterized in that, The cutting arm connecting seat is provided with a fixing hole, and the adjustable telescopic cutting arm is provided with multiple adjustment holes along its length. The adjustment holes are connected to the fixing holes by adjustment bolts.

4. The integrated crushing and grinding device for road surface around inspection wells according to claim 3, characterized in that, The number of adjustable telescopic cutting arms is six, and the length of the alloy cutting teeth in the radial direction is 40mm. When the alloy cutting teeth cut and grind the road surface, the extension length of each cutting arm is different.

5. The integrated crushing and grinding device for road surface around inspection wells according to claim 1, characterized in that, The support structure includes a central positioning rod and multiple support frames. The central positioning rod is connected to the center of the deformable circular bracket, and the support frames are evenly arranged on the outer periphery of the deformable circular bracket.

6. The integrated crushing and grinding device for road surface around inspection wells according to claim 1, characterized in that, The tool holder is provided with a plurality of alloy cutting teeth, each of which is arranged at a different angle.

7. The integrated crushing and grinding device for road surface around inspection wells according to claim 1, characterized in that, The dustproof structure includes: A fixed dust cover is installed on the outer periphery of the fixed end of the hydraulic motor; A sliding limiting ring is disposed on the outer periphery of the fixed dust cover, and a sliding guide ring is provided on the sliding limiting ring along the axial direction; A sliding dust cover is connected to the sliding guide ring.

8. The integrated crushing and grinding device for road surface around inspection wells according to claim 1, characterized in that, Both the sliding dust cover and the fixed dust cover are multi-layered sound insulation materials, which include a stainless steel plate, a sound-absorbing adhesive layer, an aluminum foil layer, an IIR composite damping layer, and a reflective sound-absorbing panel.

9. The integrated crushing and grinding device for road surface around inspection wells according to claim 1, characterized in that, The hydraulic motor is fitted with a housing.

10. A method for integrated grinding and crushing of road surface around manholes, utilizing the integrated grinding and crushing device for road surface around manholes as described in any one of claims 1 to 9, characterized in that, The crushing method includes: Connect the support structure to the manhole location; Each adjustable telescopic cutting arm is set to a different extension length; The alloy cutting teeth are adjusted to fit the road surface using a lifting hydraulic cylinder. Adjust the dustproof structure to fit snugly against the road surface; The road surface is broken up by controlling the hydraulic motor and lifting cylinder.

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