Joint cutter for road construction and construction method thereof

Abstract

The application relates to the technical field of road construction, in particular to a joint cutting machine for road construction and a construction method thereof, which comprises a joint cutting machine moving frame, the front top of the joint cutting machine moving frame is provided with a joint cutting control mechanism, the joint cutting machine moving frame comprises a moving back plate, the front bottom of the moving back plate is provided with a moving bottom plate, the joint cutting machine moving frame and the joint cutting control mechanism are arranged, efficient, accurate and automatic road joint cutting operation is realized, through the precise cooperation of a motor drive and a transmission system, the cooperative movement of components of a joint cutting device is realized, from the positioning of the device, the unfolding of side plates, the pretreatment (including polishing and cleaning) of a road surface, the downward movement and joint cutting operation of a joint cutting assembly to the resetting and movement of the device after the completion of joint cutting, the whole process is smooth and efficient, the design not only greatly improves the quality of road joint cutting, ensures the flatness and specification uniformity of joint cutting, but also significantly improves the construction efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of road construction, more specifically, the present application relates to a joint cutting machine for road construction and its construction method. BACKGROUND

[0002] Road construction refers to a series of operations such as new construction, reconstruction, expansion or daily maintenance and maintenance of existing roads, in this complex construction process, in order to ensure that the quality of road engineering can meet the expected standard and effectively prolong its service life, the construction team usually takes a series of fine operation measures, among which the joint cutting operation is an indispensable link, the main purpose of joint cutting operation is to prevent irregular cracks on the pavement under the influence of temperature changes, repeated vehicle loads and other environmental factors, these cracks not only seriously affect the flatness of the pavement, reduce the comfort of driving, but also pose a potential threat to driving safety, aiming at this pain point problem in construction, the present application specially develops a joint cutting machine specially applicable to road construction and its supporting construction method.

[0003] The patent application with publication number CN113981788A discloses a joint cutting machine for road and bridge construction and its use method, relating to the technical field of road and bridge construction, comprising a vehicle frame, a long rod is arranged through the top surface of the vehicle frame, a joint cutting machine body is fixedly installed at one end of the long rod, a top plate is fixedly installed at the other end of the long rod, a sliding rod is arranged through the side surface of the top plate, a stop block is installed at one end of the sliding rod, a spring is arranged between the stop block and the inner side of the top plate, and a frame is fixedly installed at the end of the sliding rod away from the stop block. The joint cutting machine body can conveniently cut the pavement, and when the cutting depth needs to be adjusted, the worker only needs to pull the handle outward, then the joint cutting machine body cuts downward under the action of gravity until the joint cutting machine body is adjusted to the required cutting depth, and the height of the joint cutting machine body is limited by releasing the handle, which ingeniously utilizes gravity to facilitate the adjustment process, has high practicability and significant progress.

[0004] When the joint cutting machine is put into use in road construction, there may be long-term accumulation of gravel or soil on the road surface after the construction is completed, which is likely to cause uneven cutting and uneven joint cutting during the cutting operation of the joint cutting machine, and such gravel or soil may also enter the joint cutting machine, causing wear and tear to the key components of the joint cutting machine, such as joint cutting blades, thereby adversely affecting the service life and cutting accuracy of the joint cutting machine. In addition, when the joint cutting machine encounters relatively hard gravel, it may bear a large resistance during cutting, which not only increases the energy consumption of the joint cutting machine, but also may cause faults such as motor overload and transmission component damage, thereby adversely affecting the progress and quality of road construction. SUMMARY

[0005] In order to overcome the above-mentioned defects of the prior art, the present application provides a road construction joint cutter and its construction method, which solves the technical problems of the prior art, i.e., the problems of poor cutting, uneven joint cutting, easy wear of key components, rising energy consumption and possible faults of the joint cutter during road construction, and provides a road construction joint cutter and its construction method which can efficiently, stably and accurately perform road joint cutting operation, effectively reduce the influence of gravel and soil on the joint cutter, reduce the failure rate, and ensure the progress and quality of road construction.

[0006] To solve the above technical problems, the technical scheme adopted by the present application is:

[0007] A road construction joint cutter comprises a joint cutter moving frame, and a joint cutting control mechanism is arranged on the top of the front side of the joint cutter moving frame.

[0008] The joint cutter moving frame comprises a moving back plate, and a moving bottom plate is arranged on the bottom of the front side of the moving back plate.

[0009] The moving back plate comprises two back vertical plates, a top connecting plate is fixedly connected to the top of the front side of each back vertical plate, a blowing control box is fixedly connected to the bottom of the front side of each back vertical plate, and a bottom plate is fixedly connected to the bottom of each back vertical plate.

[0010] The joint cutting control mechanism comprises a control frame, and a joint cutting assembly is arranged on the middle part of the control frame.

[0011] The control frame comprises a control frame assembly, and an unfolding assembly is arranged on the inner wall of each side of the control frame assembly.

[0012] As a further scheme of the present application, a pipeline is fixedly connected to each side of the front side of the blowing control box, a rack rod is fixedly connected to the top of the front side of each bottom plate, a bottom plate guide groove is formed in the front side of each bottom plate, a universal wheel connecting block is fixedly connected to the inner wall of each side of the bottom of each bottom plate, and a universal wheel is rotatably connected to the bottom of each universal wheel connecting block.

[0013] As a further scheme of the present application, the moving bottom plate comprises two Z-shaped side vertical plates, a blowing plate is fixedly connected to the inner wall of the bottom of each Z-shaped side vertical plate, a scraper is fixedly connected to the inner side of each blowing plate, a side plate is fixedly connected to the top of the outer side of each Z-shaped side vertical plate, a columnar vertical rotating rod connecting block is fixedly connected to the rear side of the outer side of each Z-shaped side vertical plate, the rear top of each Z-shaped side vertical plate is slidably connected to the inner wall of the bottom plate guide groove formed in each bottom plate, and the top of each scraper is fixedly connected to the end of each pipeline away from the blowing control box.

[0014] As a further scheme of the present application: the inner wall of the two columnar rotating rod connecting blocks is rotationally connected with a columnar rotating rod, the top end of the two columnar rotating rods is fixedly connected with a gear, the outer wall of the two gears is engaged with the front side of the two rack rods, the outer wall of the two columnar rotating rods is fixedly connected with a transmission disc on one side of the top of the columnar rotating rod connecting block, and the outer wall of the two transmission discs is sleeved with a track.

[0015] As a further scheme of the present application: the inner wall of the two columnar rotating rod connecting blocks is rotationally connected with a columnar rotating rod, the top end of the two columnar rotating rods is fixedly connected with a gear, the outer wall of the two gears is engaged with the front side of the two rack rods, the outer wall of the two columnar rotating rods is fixedly connected with a transmission disc on one side of the top of the columnar rotating rod connecting block, and the outer wall of the two transmission discs is sleeved with a track.

[0016] As a further scheme of the present application: the control frame assembly comprises a semicircular block, the left and right sides of the rear side of the semicircular block are fixedly connected with inverted L-shaped side plates, the front side of the outer side of the two inverted L-shaped side plates is fixedly connected with a vertical guide rod connecting block, the bottom of the two vertical guide rod connecting blocks is fixedly connected with a vertical guide rod, the front and rear sides of the middle and bottom of the outer side of the two vertical guide rod connecting blocks are fixedly connected with horizontal rods, and the side of the outer side of the two horizontal rods on the side away from each other is fixedly connected with a connecting rod.

[0017] As a further scheme of the present application: the top rear side of the two connecting rods is fixedly connected with a motor, the output end of the motor extends to the bottom of the two connecting rods and is fixedly connected with a third transmission disc, the outer wall of the third transmission disc is sleeved with a second track, the front side of the inner wall of the second track is sleeved with a fourth transmission disc, the top middle of the fourth transmission disc is fixedly connected with a lead screw, the top end of the lead screw is rotationally connected to the bottom of the semicircular block, the rear side of the two connecting rods is fixedly connected to the front side of the middle of the two rear plates, the rear side of the two horizontal rods on the top is fixedly connected to the front side of the two top connecting plates, the outer wall of the lead screw is threadedly connected with a transmission block, the outer wall of the transmission block is slidingly connected to the inner side of the two inverted L-shaped side plates, the left and right sides of the top of the transmission block are fixedly connected with columnar lifting rods, the bottom of the outer side of the two columnar lifting rods is fixedly connected with side lifting blocks, and the outer side of the two side lifting blocks extends to the outer side of the two inverted L-shaped side plates and is slidingly connected to the outer wall of the two vertical guide rods.

[0018] As a further scheme of the present application: two of the unfolding assemblies each include a longitudinal top rod, the bottom middle of the two longitudinal top rods is fixedly connected with a guide vertical plate, the outer wall of the two guide vertical plates is slidably connected to the inner side of the left and right two groups of horizontal rods, the front and back of the bottom of the two longitudinal top rods is fixedly connected with a columnar vertical retracting and expanding rod, the outer wall of the two groups of columnar vertical retracting and expanding rods is fixedly connected with a columnar vertical retracting and expanding rod connecting block at the bottom, the bottom of the two groups of columnar vertical retracting and expanding rods and columnar vertical retracting and expanding rod connecting blocks is fixedly connected to the front and back of the top of the two side plates, the top and bottom of the inner side of the two guide vertical plates is slidably connected with a T-shaped columnar slider, the outer wall of the two groups of T-shaped columnar sliders is rotatably connected with a retracting and expanding rod group, the top of the inner side of the two retracting and expanding rod groups is rotatably connected to the outer wall of the two side lifting blocks, and the inner bottom of the two retracting and expanding rod groups is rotatably connected to the outer wall bottom of the two vertical guide rods.

[0019] As a further scheme of the present application: the cutting assembly includes an inverted L-shaped lifting vertical plate, the outer wall of the inverted L-shaped lifting vertical plate is slidably connected to the inner side of the two inverted L-shaped side vertical plates, the top of the back of the inverted L-shaped lifting vertical plate is fixedly connected to the top end of the two columnar vertical pull rods on both sides, the bottom of the inverted L-shaped lifting vertical plate is fixedly connected with a cutting wheel connecting block, the left side of the front of the cutting wheel connecting block is fixedly connected with a side baffle, the middle of the right side of the cutting wheel connecting block is fixedly connected with a side connecting rod, the front side of the inner side of the side connecting rod and the side baffle is fixedly connected with a cutting wheel transmission motor, and the left side of the cutting wheel transmission motor is fixedly connected with a cutting wheel.

[0020] In addition, the present application provides a construction method of the road construction cutting machine, which comprises the following steps:

[0021] Step one: the road construction cutting machine is transported to the road position where the cutting operation is needed, and the specific position of the universal wheel adjusting device is adjusted to ensure that the device is stable and suitable for cutting operation, thereby preparing for the subsequent cutting work;

[0022] Step two: start the motor to make the retracting and expanding rod group in the unfolding assembly expand, the guide vertical plate moves to drive the longitudinal top rod, the columnar vertical retracting and expanding rod and the columnar vertical retracting and expanding rod connecting block to move outward and expand, and the columnar vertical retracting and expanding rod and the columnar vertical retracting and expanding rod connecting block drive the side plates to expand to both sides;

[0023] Step three: during the expansion of the side plates, the gear and the rack rod are engaged to drive the second columnar vertical rotating rod to rotate the grinding turntable, thereby pre-grinding the road surface to be cut to remove the adhered soil and small stones and other impurities on the road surface, and at the same time, the two air blowing plates are scraped on the ground during the expansion of the two side plates, the air blowing control box is started, air flow is sent to the air blowing plate through the pipeline, the air blowing plate guides the air flow to the ground, further blows away the residual soil and small stones, and ensures the cleanliness of the cutting area;

[0024] Step four: cutting seam component down and cutting seam preparation, while the two moving bottom plates are expanded under the control of the rotating screw, the inverted L-shaped lifting vertical plate is synchronously down under the driving of the columnar vertical pull rod, and the cutting wheel connecting block fixed at the bottom carries the cutting wheel transmission motor and the cutting wheel to approach the road surface;

[0025] Step five: road cutting seam, when the cutting wheel contacts the pre-polished and cleaned road surface, the cutting wheel transmission motor starts to drive the cutting wheel to rotate at high speed to cut the road surface vertically, and the whole cutting seam process maintains a stable straight trajectory, and the cutting seam width is determined by the thickness of the cutting wheel blade;

[0026] Step six: after the cutting seam is completed, the motor is reversed to drive the screw to rotate in the opposite direction, the transmission block moves upward to drive the side lifting block and the retractable rod group in the expansion assembly to retract, so that the side plate is retracted inward to return to the initial position, and at the same time, the inverted L-shaped lifting vertical plate drives the cutting wheel to move upward and leave the cutting seam area;

[0027] Step seven: the moving device performs the next cutting seam operation, after the device returns to the initial state, the device is conveniently moved to the next cutting seam position through the universal wheel, and the above steps are repeated to perform the next cutting seam operation.

[0028] The beneficial effects of the present application are:

[0029] The present application sets the cutting seam machine moving frame and the cutting seam control mechanism, realizes a high-efficiency, precise and automatic road cutting seam operation, through the precise cooperation of the motor drive and the transmission system, the coordinated movement of each component of the cutting seam device is realized, from the positioning of the device, the expansion of the side plate, the pretreatment of the road surface (including polishing and cleaning), the down movement of the cutting seam component and the cutting seam operation, to the resetting and moving of the device after the cutting seam is completed, the whole process is smooth and efficient, this design not only greatly improves the quality of road cutting seam, ensures the flatness and specification uniformity of the cutting seam, but also significantly improves the construction efficiency, reduces the complexity and labor intensity of manual operation, at the same time, the service life of the upper blade of the cutting wheel is effectively prolonged through the pretreatment step, and the construction cost is reduced, the road construction cutting seam machine and the construction method thereof provide an advanced and reliable solution for the field of road construction. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is the schematic diagram of the main body of the present application;

[0031] Figure 2 is the schematic diagram of the main body of the present application;

[0032] Figure 3 is the schematic diagram of the main body of the present application;

[0033] Figure 4 A perspective view of a moving back plate of the present application;

[0034] Figure 5 A perspective view of a moving bottom plate of the present application;

[0035] Figure 6 A perspective view of a slit control mechanism of the present application;

[0036] Figure 7 A perspective view of a slit control mechanism of the present application;

[0037] Figure 8 A perspective view of a control frame of the present application;

[0038] Figure 9 A perspective view of a control frame assembly of the present application;

[0039] Figure 10 A perspective view of a deployment assembly of the present application;

[0040] Figure 11 A perspective view of a slit assembly of the present application.

[0041] In the figure: 1, the moving frame of the joint cutting machine; 11, the moving back plate; 111, the back vertical plate; 112, the top connecting plate; 113, the air blowing control box; 114, the bottom plate; 115, the rack rod; 116, the bottom plate guide groove; 117, the universal wheel connecting block; 118, the pipeline; 119, the universal wheel; 12, the moving bottom plate; 121, the Z-shaped side vertical plate; 122, the air blowing plate; 123, the scraper; 124, the side plate; 125, the columnar vertical rotating rod connecting block; 126, the columnar vertical rotating rod; 127, the transmission disc; 128, the gear; 129, the track; 1210, the sleeve block; 1211, the second columnar vertical rotating rod; 1212, the ground grinding disc; 1213, the second transmission disc; 1214, the second universal wheel connecting block; 1215, the second universal wheel; 2, the joint cutting control mechanism; 21, the control frame; 211, the control frame assembly; 2111, the semicircular block; 2112, the inverted L-shaped side vertical plate; 2113, the vertical guide rod connecting block; 2114, the vertical guide rod; 2115, the horizontal rod; 2116, the screw rod; 2117, the connecting rod; 2118, the motor; 2119, the third transmission disc; 21110, the second track; 21111, the fourth transmission disc; 21112, the transmission block; 21113, the columnar vertical pulling rod; 21115, the side lifting block; 212, the unfolding assembly; 2121, the longitudinal top rod; 2122, the columnar vertical retracting and expanding rod; 2123, the columnar vertical retracting and expanding rod connecting block; 2124, the guide vertical plate; 2125, the T-shaped columnar sliding block; 2126, the retracting and expanding rod group; 22, the joint cutting assembly; 221, the inverted L-shaped lifting vertical plate; 222, the cutting wheel connecting block; 223, the side baffle; 224, the side connecting rod; 225, the cutting wheel transmission motor; 226, the cutting wheel. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0043] As shown in the drawings, Figures 1-2 The present application provides a joint cutting machine for road construction, which comprises a joint cutting machine moving frame 1, and a joint cutting control mechanism 2 is arranged at the top of the front side of the joint cutting machine moving frame 1.

[0044] As shown in the drawings, Figures 3-10As shown, the cutting machine moving frame 1 includes a moving back plate 11, the front side bottom of the moving back plate 11 is provided with a moving bottom plate 12, the moving back plate 11 includes two back vertical plates 111, the front side top of the two back vertical plates 111 is fixedly connected with a top connecting plate 112, the front side bottom of the two back vertical plates 111 is fixedly connected with a blowing control box 113, the bottom of the two back vertical plates 111 is fixedly connected with a bottom plate 114, the left and right sides of the front side of the blowing control box 113 are fixedly connected with a pipeline 118, the front side top of the two bottom plates 114 is fixedly connected with a rack rod 115, the front side middle part of the two bottom plates 114 is provided with a bottom plate guide groove 116, the inner walls of the sides away from each other of the front side bottom of the two bottom plates 114 are fixedly connected with a universal wheel connecting block 117, the bottom of the two universal wheel connecting blocks 117 is rotatably connected with a universal wheel 119, the moving bottom plate 12 includes two Z-shaped side vertical plates 121, the inner wall bottom of the two Z-shaped side vertical plates 121 is fixedly connected with a blowing plate 122, the inner side of the two blowing plates 122 is fixedly connected with a scraper 123, the top of the outer side of the two Z-shaped side vertical plates 121 is fixedly connected with a side plate 124, the rear side of the outer side of the two Z-shaped side vertical plates 121 is fixedly connected with a columnar vertical rod connecting block 125, the rear side top of the two Z-shaped side vertical plates 121 is slidably connected in the inner wall of the bottom plate guide groove 116 provided in the two bottom plates 114, the top of the two scrapers 123 is fixedly connected with one end of the two pipelines 118 away from the blowing control box 113, the inner wall of the two columnar vertical rod connecting blocks 125 is rotatably connected with a columnar vertical rod 126, the top end of the two columnar vertical rods 126 is fixedly connected with a gear 128, the outer wall of the two gears 128 is engaged with the front side of the two rack rods 115, the outer wall of the two columnar vertical rods 126 on one side of the top of the columnar vertical rod connecting block 125 is fixedly connected with a transmission disc 127, the outer wall of the two transmission discs 127 is sleeved with a track 129, the multiple sides of the top middle part of the two side plates 124 are fixedly connected with a sleeve block 1210, the inner wall of the left and right groups of sleeve blocks 1210 is rotatably connected with a second columnar vertical rod 1211, the outer wall top of the left and right groups of second columnar vertical rods 1211 is fixedly connected with a second transmission disc 1213, the outer wall of the left and right groups of second transmission discs 1213 is sleeved in the multiple sides of the inner wall of the two tracks 129, the bottom end of the left and right groups of second columnar vertical rods 1211 extends to the multiple sides of the bottom of the two side plates 124 and is fixedly connected with a ground grinding turntable 1212, the side away from the two Z-shaped side vertical plates 121 of the bottom of the two side plates 124 is fixedly connected with a plurality of second universal wheel connecting blocks 1214, the bottom of the left and right groups of second universal wheel connecting blocks 1214 is rotatably connected with a second universal wheel 1215, the cutting control mechanism 2 includes a control frame 21, the middle part of the control frame 21 is provided with a cutting assembly 22, the control frame 21 includes a control frame assembly 211, the inner wall of the left and right sides of the control frame assembly 211 is provided with an unfolding assembly 212, the control frame assembly 211 includes a semicircular block 2111,The left side and the right side of the back side of the semicircular block 2111 are fixedly connected with the inverted L-shaped side stand plates 2112, the front sides of the outer sides of the two inverted L-shaped side stand plates 2112 are fixedly connected with the vertical guide rod connecting blocks 2113, the bottoms of the two vertical guide rod connecting blocks 2113 are fixedly connected with the vertical guide rods 2114, the front and back sides of the middle parts and the bottoms of the outer sides of the two vertical guide rod connecting blocks 2113 are fixedly connected with the horizontal rods 2115, the outer sides of the two horizontal rods 2115 on the back side and the bottom side are fixedly connected with the link rods 2117 on the side close to each other, the top back sides of the two link rods 2117 are fixedly connected with the motors 2118, the output ends of the motors 2118 extend to the bottoms of the two link rods 2117 and are fixedly connected with the third transmission discs 2119, the outer walls of the third transmission discs 2119 are sleeved with the second tracks 21110, the front sides of the inner walls of the second tracks 21110 are sleeved with the fourth transmission discs 21111, the top middle parts of the fourth transmission discs 21111 are fixedly connected with the lead screws 2116, the top ends of the lead screws 2116 are rotatably connected with the bottoms of the semicircular blocks 2111, the back sides of the two link rods 2117 are fixedly connected with the front side middle parts of the two back stand plates 111, the back sides of the two horizontal rods 2115 on the top are fixedly connected with the front sides of the two top connecting plates 112, the outer walls of the lead screws 2116 are threadedly connected with the transmission blocks 21112, the inner sides of the outer walls of the transmission blocks 21112 are slidably connected with the inner sides of the two inverted L-shaped side stand plates 2112, the left and right sides of the top parts of the transmission blocks 21112 are fixedly connected with the columnar vertical pull rods 21113, the bottoms of the outer sides of the two columnar vertical pull rods 21113 are fixedly connected with the side lifting blocks 21115, the outer sides of the two side lifting blocks 21115 extend to the outer sides of the two inverted L-shaped side stand plates 2112 and are slidably connected with the outer walls of the two vertical guide rods 2114, the two unfolding assemblies 212 each comprise a vertical top rod 2121, the bottom middle part of the vertical top rod 2121 is fixedly connected with a guide stand plate 2124, the outer walls of the two guide stand plates 2124 are slidably connected with the inner sides of the two groups of horizontal rods 2115, the front and back sides of the bottoms of the two vertical top rods 2121 are fixedly connected with columnar vertical telescopic rods 2122, the bottoms of the outer walls of the two groups of columnar vertical telescopic rods 2122 are fixedly connected with columnar vertical telescopic rod connecting blocks 2123, the bottoms of the two groups of columnar vertical telescopic rods 2122 and the two groups of columnar vertical telescopic rod connecting blocks 2123 are fixedly connected with the front and back sides of the top parts of the two side plates 124, the top and bottom parts of the inner sides of the two guide stand plates 2124 are slidably connected with T-shaped columnar sliding blocks 2125, the outer walls of the two groups of T-shaped columnar sliding blocks 2125 are rotatably connected with telescopic rod assemblies 2126, the top parts of the inner sides of the two telescopic rod assemblies 2126 are rotatably connected with the outer walls of the two side lifting blocks 21115, the inner side bottoms of the two telescopic rod assemblies 2126 are rotatably connected with the outer wall bottoms of the two vertical guide rods 2114,

[0045] When cutting is needed, first move the device to the position where cutting is needed, then start the motor 2118, after the motor 2118 is started, its output end drives the third transmission disc 2119 to rotate, due to the transmission of the second track 21110, the fourth transmission disc 21111 rotates synchronously, and then drives the lead screw 2116 to rotate, the rotation of the lead screw 2116 makes the transmission block 21112 connected with it screw down linearly on the lead screw 2116, when the transmission block 21112 moves down, the cylindrical vertical pull rod 21113 drives the side lifting block 21115 to move down to make the expansion rod group 2126 in the expansion assembly 212 expand, so that the movement of the guide vertical plate 2124 drives the longitudinal jack 2121 and the cylindrical vertical expansion rod 2122 and the cylindrical vertical expansion rod connecting block 2123 to move outward and expand, at this time, the cylindrical vertical expansion rod 2122 and the cylindrical vertical expansion rod connecting block 2123 drive the side plate 124 to expand to both sides, in the expansion process of the two side plates 124, due to the meshing transmission of the two gears 128 and the front sides of the two rack rods 115, the cylindrical vertical rotating rod 126 rotates, the cylindrical vertical rotating rod 126 drives the transmission disc 127 to rotate, the transmission disc 127 drives the second transmission disc 1213 to rotate through the track 129, and then makes the second cylindrical vertical rotating rod 1211 rotate, the second cylindrical vertical rotating rod 1211 drives the grinding disc 1212 to rotate to pre-grind the surface of the road to be cut, and then removes and scatters the dirt, small stones and other impurities adhered on the road surface, so as to ensure that the blades on the cutting wheel 226 can cut into the road surface more smoothly, improve the cutting quality and efficiency, make the cutting position more flat, reduce the resistance in the cutting process, at the same time, the two air blowing plates 122 scrape the ground in the expansion process of the two side plates 124, the air blowing control box 113 is started, air flow is sent to the air blowing plate 122 through the pipeline 118, the air blowing plate 122 guides the air flow to the ground, further scatters the remaining dirt and small stones, and ensures the absolute cleanliness of the cutting area, this step not only improves the accuracy of cutting, but also prolongs the service life of the blades on the cutting wheel 226, and reduces the blade wear caused by impurities, after the side plate 124 is completely expanded and reaches the predetermined position, the cutting assembly 22 starts to work to cut the road at a set depth and speed, due to the pre-grinding of the grinding disc 1212 and the cleaning of the air blowing plate 122, the blades on the cutting wheel 226 can easily cut into the road surface, the cutting edge is neat, and the workload of subsequent repair is reduced, after cutting is completed, the motor 2118 is reversed to drive the lead screw 2116 to rotate reversely, the transmission block 21112 moves upward to drive the side lifting block 21115 and the expansion rod group 2126 in the expansion assembly 212 to contract, and then the side plate 124 contracts inward to restore to the initial position, at this time, the device can be conveniently moved to the next cutting position for the next cutting operation, the whole cutting process is highly automated and easy to operate, greatly improving the efficiency and quality of road construction.

[0046] As Figure 11 shown, the cutting seam assembly 22 includes an inverted L-shaped lifting vertical plate 221, the outer wall of which is slidingly connected to the inner side of two inverted L-shaped side vertical plates 2112, the top of the rear side of the inverted L-shaped lifting vertical plate 221 is fixedly connected to the top end of two columnar vertical pull rods 21113, the bottom of the inverted L-shaped lifting vertical plate 221 is fixedly connected with cutting wheel connecting blocks 222, the left side of the front side of the cutting wheel connecting blocks 222 is fixedly connected with a side baffle 223, the middle of the right side of the cutting wheel connecting blocks 222 is fixedly connected with a side connecting rod 224, the front side of the inner side of the side connecting rod 224 and the side baffle 223 is fixedly connected with a cutting wheel transmission motor 225, and the left side of the cutting wheel transmission motor 225 is fixedly connected with a cutting wheel 226;

[0047] When the lead screw 2116 rotates to control the expansion of the two moving bottom plates 12, the inverted L-shaped lifting vertical plate 221 is driven by the columnar vertical pull rod 21113 to move downward synchronously, the cutting wheel connecting blocks 222 fixed at the bottom of the inverted L-shaped lifting vertical plate 221 carry the cutting wheel transmission motor 225 and the cutting wheel 226 to approach the road surface, when the cutting wheel 226 contacts the road surface which has been polished and cleaned in advance, the cutting wheel transmission motor 225 is started to drive the cutting wheel 226 to rotate at high speed to cut the road surface vertically, at this time, the side baffle 223 is tightly attached to the road surface to effectively prevent the flying of gravel generated in the cutting seam process, ensuring the safety of construction, the cutting depth of the cutting wheel 226 is accurately controlled by the number of rotations of the lead screw 2116, when the transmission block 21112 moves to the set position, the cutting wheel 226 reaches the preset cutting seam depth, the whole cutting seam process maintains a stable straight line track, the cutting seam width is determined by the thickness of the blade of the cutting wheel 226 to ensure the uniformity of the cutting seam specification, after the cutting seam is completed, the inverted L-shaped lifting vertical plate 221 drives the cutting wheel 226 to move upward to separate from the cutting seam area, preparing for the next cutting seam operation.

[0048] In addition, the present application provides a construction method of a cutting seam machine for road construction, comprising the following steps:

[0049] Step one: the cutting seam machine for road construction is transported as a whole to the road position where cutting seam operation is needed, the specific position of the universal wheel 119 adjusting device is adjusted to ensure that the device is in a stable and suitable state for cutting seam operation, preparing for the subsequent cutting seam work;

[0050] Step two: start the motor 2118 to expand the expansion rod group 2126 in the expansion assembly 212, the guide vertical plate 2124 moves to drive the longitudinal top rod 2121, the columnar vertical expansion rod 2122 and the columnar vertical expansion rod connecting block 2123 to move outward to expand, and the columnar vertical expansion rod 2122 and the columnar vertical expansion rod connecting block 2123 drive the side plate 124 to expand to both sides;

[0051] Step three: during the unfolding of the side plates 124, the gear 128 meshes with the rack bar 115 to drive the second cylindrical vertical rod 1211 to rotate the grinding disc 1212, thereby pre-grinding the road surface to be cut, removing the adhered soil and small stones on the road surface, and at the same time, the two air blowing plates 122 are scraped along the ground during the unfolding of the two side plates 124, the air blowing control box 113 is started, and the air flow is sent to the air blowing plate 122 through the pipeline 118, the air blowing plate 122 guides the air flow to the ground, further blowing away the remaining soil and small stones, ensuring the cleanliness of the cutting area;

[0052] Step four: cutting assembly 22 down and cutting preparation, while the lead screw 2116 rotates to control the expansion of the two moving plates 12, the inverted L-shaped lifting plate 221 is synchronously lowered under the drive of the cylindrical vertical rod 21113, and the cutting wheel connecting block 222 fixed at the bottom carries the cutting wheel transmission motor 225 and the cutting wheel 226 to approach the road surface;

[0053] Step five: cutting the road, when the cutting wheel 226 contacts the pre-grinding and cleaned road surface, the cutting wheel transmission motor 225 is started to drive the cutting wheel 226 to rotate at high speed, thereby cutting the road surface vertically, and the entire cutting process maintains a stable straight trajectory, and the cutting width is determined by the thickness of the cutting wheel 226;

[0054] Step six: after the cutting is completed, the motor 2118 is reversed to drive the lead screw 2116 to rotate in the opposite direction, the transmission block 21112 moves upward, driving the side lifting block 21115 and the retracting rod group 2126 in the expansion assembly 212 to retract, thereby causing the side plates 124 to retract inward and return to the initial position, and at the same time, the inverted L-shaped lifting plate 221 drives the cutting wheel 226 to move upward and away from the cutting area;

[0055] Step seven: the moving device performs the next cutting operation, after the device returns to the initial state, the device is conveniently moved to the next cutting position by the universal wheel 119, and the above steps are repeated to perform the next cutting operation.

[0056] The working principle of the present application is: when the road needs to be cut, first move the device as a whole to the position where the road needs to be cut, then start the motor 2118, after the motor 2118 is started, its output end drives the third transmission disc 2119 to rotate, due to the transmission effect of the second track 21110, the fourth transmission disc 21111 rotates synchronously, and then drives the lead screw 2116 to rotate, the rotation of the lead screw 2116 makes the transmission block 21112 connected with it screw down on the lead screw 2116, when the transmission block 21112 moves downward, the cylindrical vertical pull rod 21113 drives the side lifting block 21115 to move downward to expand the expansion rod group 2126 in the expansion assembly 212, so that the movement of the guide vertical plate 2124 drives the longitudinal jack 2121 and the cylindrical vertical expansion rod 2122 and the cylindrical vertical expansion rod connecting block 2123 to move outward, at this time, the cylindrical vertical expansion rod 2122 and the cylindrical vertical expansion rod connecting block 2123 drive the side plate 124 to expand to both sides, in the expansion process of the two side plates 124, due to the meshing transmission of the two gears 128 and the front sides of the two rack rods 115, the cylindrical vertical rotating rod 126 rotates, the cylindrical vertical rotating rod 126 drives the transmission disc 127 to rotate, the transmission disc 127 drives the second transmission disc 1213 to rotate through the track 129, and then makes the second cylindrical vertical rotating rod 1211 rotate, the second cylindrical vertical rotating rod 1211 drives the grinding disc 1212 to rotate, and the road surface to be cut is pre-polished, then the adhered soil, small stones and other impurities on the road surface are removed and scattered, then the small stones and other impurities are removed and scattered, so that the cutting wheel 226 can cut into the road surface more smoothly during cutting, the quality and efficiency of cutting are improved, the cutting position is more flat, and the resistance during cutting is reduced, at the same time, the two air blowing plates 122 scrape the ground during the expansion of the two side plates 124, the air blowing control box 113 is started, air flow is sent to the air blowing plate 122 through the pipeline 118, the air blowing plate 122 guides the air flow to the ground, further blows away the remaining soil and small stones, and ensures the absolute cleanliness of the cutting area, this step not only improves the accuracy of cutting, but also prolongs the service life of the blades on the cutting wheel 226, and reduces the blade wear caused by impurities, after the side plates 124 are completely expanded and reach the predetermined position, the cutting assembly 22 starts to work to cut the road at a set depth and speed, while the two moving bottom plates 12 are expanded under the control of the rotation of the lead screw 2116, the inverted L-shaped lifting plate 221 moves downward synchronously under the driving of the cylindrical vertical pull rod 21113, the cutting wheel connecting block 222 fixed at the bottom carries the cutting wheel transmission motor 225 and the cutting wheel 226 to approach the road surface, when the cutting wheel 226 contacts the pre-polished and cleaned road surface, the cutting wheel transmission motor 225 is started to drive the cutting wheel 226 to rotate at high speed, and the road surface is vertically cut, at this time, the side baffle 223 closely contacts the road surface, effectively preventing the flying of the stones generated during cutting, and ensuring the safety of construction, the cutting depth of the cutting wheel 226 is accurately controlled by the number of rotations of the lead screw 2116,When the transmission block 21112 moves to the set position, the cutting wheel 226 reaches the preset slit depth, the whole slit process keeps stable linear trajectory, the slit width is determined by the blade thickness of the cutting wheel 226, the slit specification is ensured to be uniform, and after the slit is completed, the reverse rotation of the motor 2118 drives the inverted L-shaped lifting vertical plate 221 to move upward and separate from the slit area, so as to prepare for the next slit operation.

[0057] The basic principles and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A joint cutter for road construction, comprising a joint cutter moving frame (1), characterized in that: The front side top of the cutting machine moving frame (1) is provided with a cutting control mechanism (2); The cutting machine moving frame (1) comprises a moving back plate (11), and the bottom of the front side of the moving back plate (11) is provided with a moving bottom plate (12); The moving back plate (11) comprises two back vertical plates (111), the top of the front side of each of the two back vertical plates (111) is fixedly connected with a top connecting plate (112), the bottom of the front side of each of the two back vertical plates (111) is fixedly connected with a blowing control box (113), the bottom of each of the two back vertical plates (111) is fixedly connected with a bottom plate (114), the left and right sides of the front side of the blowing control box (113) are both fixedly connected with a pipeline (118), the top of the front side of each of the two bottom plates (114) is fixedly connected with a rack rod (115), and the middle of the front side of each of the two bottom plates (114) is provided with a bottom plate guide groove (116); The moving bottom plate (12) comprises two Z-shaped side vertical plates (121), the bottom of the inner wall of each of the two Z-shaped side vertical plates (121) is fixedly connected with a blowing plate (122), the inner side of each of the two blowing plates (122) is fixedly connected with a scraper (123), the top of the outer side of each of the two Z-shaped side vertical plates (121) is fixedly connected with a side plate (124), the rear side of the outer side of each of the two Z-shaped side vertical plates (121) is fixedly connected with a columnar vertical rotating rod connecting block (125), the rear top of each of the two Z-shaped side vertical plates (121) is slidingly connected to the inner wall of the bottom plate guide groove (116) formed in the two bottom plates (114), and the top of each of the two scrapers (123) is fixedly connected to one end of the two pipelines (118) away from the blowing control box (113); The cutting control mechanism (2) comprises a control frame (21), and the middle of the control frame (21) is provided with a cutting assembly (22); The control frame (21) comprises a control frame assembly (211), and the inner wall of the left and right sides of the control frame assembly (211) is provided with an unfolding assembly (212); The control frame assembly (211) comprises a semicircular block (2111), the left and right sides of the back side of the semicircular block (2111) are fixedly connected with inverted L-shaped side stand plates (2112), the front sides of the outer sides of the two inverted L-shaped side stand plates (2112) are fixedly connected with vertical guide rod connecting blocks (2113), the bottoms of the two vertical guide rod connecting blocks (2113) are fixedly connected with vertical guide rods (2114), the front and back sides of the outer sides and the bottoms of the two vertical guide rod connecting blocks (2113) are fixedly connected with cross bars (2115), the outer sides of the two cross bars (2115) on the back side and the bottom are fixedly connected with link rods (2117) on the sides close to each other, the top back sides of the two link rods (2117) are fixedly connected with motors (2118), the output ends of the motors (2118) extend to the bottoms of the two link rods (2117) and are fixedly connected with third transmission discs (2119), the outer walls of the third transmission discs (2119) are sleeved with second tracks (21110), the front sides of the inner walls of the second tracks (21110) are sleeved with fourth transmission discs (21111), the top middle parts of the fourth transmission discs (21111) are fixedly connected with lead screws (2116), the top ends of the lead screws (2116) are rotatably connected to the bottoms of the semicircular blocks (2111), the back sides of the two link rods (2117) are fixedly connected to the front side middle parts of the two back stand plates (111), the back sides of the two cross bars (2115) on the back side are fixedly connected to the front sides of the two top connecting plates (112), the outer walls of the lead screws (2116) are threadedly connected with transmission blocks (21112), the outer wall front sides of the transmission blocks (21112) are slidably connected to the inner sides of the two inverted L-shaped side stand plates (2112), the left and right sides of the top of the transmission block (21112) are fixedly connected with columnar vertical pull rods (21113), the bottoms of the outer sides of the two columnar vertical pull rods (21113) are fixedly connected with side lifting blocks (21115), the outer sides of the two side lifting blocks (21115) extend to the outer sides of the two inverted L-shaped side stand plates (2112) and are slidably connected to the outer walls of the two vertical guide rods (2114); Two development assemblies (212) comprise longitudinal top rods (2121), the bottom middle of the two longitudinal top rods (2121) are fixedly connected with guide vertical plates (2124), the outer walls of the two guide vertical plates (2124) are slidably connected to the inner sides of the left and right groups of horizontal rods (2115), the front and rear sides of the bottom of the two longitudinal top rods (2121) are fixedly connected with columnar vertical retractable rods (2122), the bottoms of the outer walls of the two groups of columnar vertical retractable rods (2122) are fixedly connected with columnar vertical retractable rod connecting blocks (2123), the bottoms of the two groups of columnar vertical retractable rods (2122) and the two groups of columnar vertical retractable rod connecting blocks (2123) are fixedly connected to the front and rear sides of the top of the two side plates (124), the top and bottom of the inner side of the two guide vertical plates (2124) are slidably connected with T-shaped columnar sliders (2125), the outer walls of the two groups of T-shaped columnar sliders (2125) are rotatably connected with retractable rod groups (2126), the top of the inner side of the two retractable rod groups (2126) is rotatably connected to the outer wall of the two side lifting blocks (21115), and the inner bottom of the two retractable rod groups (2126) is rotatably connected to the outer wall bottom of the two vertical guide rods (2114).

2. The joint cutter for road works according to claim 1, characterized in that: The inner walls of the front bottom sides of the two bottom plates (114) away from each other are fixedly connected with universal wheel connecting blocks (117), and the bottoms of the two universal wheel connecting blocks (117) are rotatably connected with universal wheels (119).

3. A joint cutter for road works as claimed in claim 2, characterized in that: The inner walls of the two columnar vertical rotating rod connecting blocks (125) are rotatably connected with columnar vertical rotating rods (126), the top ends of the two columnar vertical rotating rods (126) are fixedly connected with gears (128), the outer walls of the two gears (128) are engaged with the front sides of the two rack rods (115), the outer walls of the two columnar vertical rotating rods (126) on one side of the top of the columnar vertical rotating rod connecting block (125) are fixedly connected with transmission discs (127), and the outer walls of the two transmission discs (127) are sleeved with tracks (129).

4. A joint cutter for road works as claimed in claim 3, wherein: The inner walls of the top middle parts of the two side plates (124) are fixedly connected with sleeve blocks (1210), the inner walls of the left and right groups of sleeve blocks (1210) are rotatably connected with second columnar vertical rotating rods (1211), the top outer walls of the left and right groups of second columnar vertical rotating rods (1211) are fixedly connected with second transmission discs (1213), the outer walls of the left and right groups of second transmission discs (1213) are sleeved on the inner walls of the two tracks (129), the bottom ends of the left and right groups of second columnar vertical rotating rods (1211) extend to the bottom sides of the two side plates (124) and are fixedly connected with ground grinding turntables (1212), and the sides of the bottom of the two side plates (124) away from the two Z-shaped side vertical plates (121) are fixedly connected with a plurality of second universal wheel connecting blocks (1214).

5. A joint cutter for road works as claimed in claim 4, wherein: The cutting seam assembly (22) comprises a reverse L-shaped lifting vertical plate (221), the outer wall of the reverse L-shaped lifting vertical plate (221) is slidably connected to the inner side of two reverse L-shaped side vertical plates (2112), the top of the rear side of the reverse L-shaped lifting vertical plate (221) is fixedly connected to the top of two columnar vertical pull rods (21113), the bottom of the reverse L-shaped lifting vertical plate (221) is fixedly connected with a cutting wheel connecting block (222), the left side of the front side of the cutting wheel connecting block (222) is fixedly connected with a side baffle (223), the middle of the right side of the cutting wheel connecting block (222) is fixedly connected with a side connecting rod (224), the front side of the side connecting rod (224) and the side baffle (223) is fixedly connected with a cutting wheel transmission motor (225), and the left side of the cutting wheel transmission motor (225) is fixedly connected with a cutting wheel (226).

6. The construction method of the cutting seam machine for road construction according to claim 5, characterized in that it comprises the following steps: Step one: the cutting seam machine for road construction is transported to the position of the road where the cutting seam operation is needed, and the specific position of the universal wheel (119) adjusting device is adjusted to ensure that the device is stable and suitable for the cutting seam operation, thereby preparing for the subsequent cutting seam operation; Step two: the motor (2118) is started to make the retractable rod group (2126) in the unfolding assembly (212) unfold, the guide vertical plate (2124) moves to drive the longitudinal top rod (2121), the columnar vertical retractable rod (2122) and the columnar vertical retractable rod connecting block (2123) to move and unfold outside, and the columnar vertical retractable rod (2122) and the columnar vertical retractable rod connecting block (2123) drive the side plates (124) to unfold to both sides; Step three: during the unfolding of the side plates (124), the gear (128) is meshed with the rack bar (115) to drive the second columnar vertical rotating rod (1211) to rotate the grinding rotating disc (1212), thereby pre-grinding the road surface to be cut to remove the adhered soil and small stone impurities on the road surface, and at the same time, the two blowing plates (122) are scraped along the ground during the unfolding of the two side plates (124), the blowing control box (113) is started, air flow is sent to the blowing plates (122) through the pipeline (118), the blowing plates (122) guide the air flow to the ground, further blowing away the residual soil and small stones to ensure the cleanliness of the cutting seam area; Step four: the cutting seam assembly moves down and prepares for cutting, while the lead screw (2116) rotates to control the two movable bottom plates (12) to unfold, the reverse L-shaped lifting vertical plate (221) moves down synchronously under the drive of the columnar vertical pull rod (21113), and the cutting wheel connecting block (222) fixed at the bottom of the reverse L-shaped lifting vertical plate (221) carries the cutting wheel transmission motor (225) and the cutting wheel (226) to approach the road surface; Step five: cutting the road, when the cutting wheel (226) contacts the pre-grinded and cleaned road surface, the cutting wheel transmission motor (225) is started to drive the cutting wheel (226) to rotate at high speed, thereby cutting the road surface vertically, the whole cutting process maintains a stable straight trajectory, and the cutting seam width is determined by the thickness of the cutting wheel (226) blade; ​ Step six: after the cutting is completed, the motor (2118) is reversed, the lead screw (2116) is rotated in the opposite direction, the transmission block (21112) moves upwards, driving the side lifting block (21115) and the retractable rod group (2126) in the unfolding assembly (212) to retract, thereby causing the side plate (124) to retract inwardly and return to the initial position, at the same time, the inverted L-shaped lifting stand (221) drives the cutting wheel assembly to move upwards and away from the cutting area; Step seven: the moving device performs the next cutting operation, after the device returns to the initial state, the device is conveniently moved to the next cutting position by the universal wheels (119), and the above steps are repeated to perform the next cutting operation.

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