Self-propelled hard filler temperature stress joint cutting and sand filling integrated machine

Abstract

This invention belongs to the technical field of foundation joint construction equipment for hydraulic engineering, specifically relating to a self-propelled rigid filler temperature stress joint cutting and sand-filling integrated machine. It includes a traveling frame, a control cabinet at the upper rear, a cutting device at the upper middle, a hydraulic system at the upper front, and a sand-filling device at the rear. The cutting device slides along the traveling direction on the traveling frame. The hydraulic system provides hydraulic power to the cutting device, the traveling frame, and the sand-filling device. The control cabinet controls the operation of the cutting device, the hydraulic system, the sand-filling device, and the traveling frame. By integrating the cutting device and the sand-filling device into a single traveling system, a continuous "cutting-traveling-sand-filling" cycle operation is achieved. This solves the problems of single-function technology and the need to wait for other equipment or manual sand filling after cutting, resulting in process interruptions and low construction efficiency. It is particularly suitable for the rapid and continuous filling rhythm of BCR rigid filler.

Description

Technical Field

[0001] This invention belongs to the technical field of construction equipment for foundation joints in water conservancy projects, specifically relating to a self-propelled rigid filler temperature stress joint cutting and sand filling integrated machine. Background Technology

[0002] BCR rigid filler, as a new type of environmentally friendly dam construction material, has advantages such as strong deformation adaptability and fast construction speed, and is widely used in modern water conservancy projects. During the construction of BCR rigid filler, to prevent dam cracking caused by temperature stress, temperature stress joints need to be set in the filler layer. In traditional construction, the joint cutting process is usually carried out after two passes of static compaction, at which point the filler has not yet initially set and the aggregate is not tightly embedded, making it the optimal time for joint cutting.

[0003] Currently, several cutting devices for BCR rigid filler have been proposed, such as the cutting device proposed in Chinese utility model patent CN218880893U entitled "A Cutting Device for Temperature Stress Joints of BCR Rigid Filler". This device includes a handrail support, a force-transmitting cutter, and a low-frequency vibrator. It achieves cutting operations on un-set filler through vibration and extrusion principles, and has advantages such as simple operation, low energy consumption, and close integration with construction procedures.

[0004] However, this existing technology still has the following obvious drawbacks:

[0005] 1. Limited functionality and lack of follow-up processing capabilities: This device only performs the cutting operation and does not integrate sand filling functionality. In actual construction, sand needs to be poured in immediately after cutting to prevent the joint from closing. Existing technology cannot achieve continuous cutting and sand filling operations, resulting in separate processes and low efficiency.

[0006] 2. Reliance on manual operation and low degree of automation: The device requires manual pushing of the handrail support to cut the slits. The depth and straightness of the cuts depend on the operator's experience, making it difficult to ensure the consistency of construction quality. In addition, the labor intensity is high and the construction efficiency is limited.

[0007] 3. Cutting quality is greatly affected by human factors: Although the device is equipped with a limit plate to control the cutting depth, in actual construction, uneven cutting depth and skewed seam lines are still likely to occur due to uneven filler layer surface or improper operation, which affects the overall performance of stress joints.

[0008] 4. Failure to consider the requirements of construction continuity and integration: BCR rigid filler construction emphasizes continuous and rapid filling. Although the existing equipment can be connected with the filling process, it cannot achieve integrated operation of cutting joints and filling sand, resulting in interruption of the construction process and affecting the overall construction progress.

[0009] Therefore, there is an urgent need to develop a self-propelled cutting device that integrates cutting and sand filling functions and has a certain degree of automation, in order to overcome the shortcomings of existing technologies and improve the overall efficiency and quality of BCR rigid filler dam construction. Summary of the Invention

[0010] The technical problem to be solved by the present invention is to overcome the above-mentioned prior art and provide a self-propelled rigid filler temperature stress joint cutting and sand filling integrated machine with reasonable design, simple structure and integrated operation of cutting and sand filling.

[0011] The technical solution adopted to solve the above technical problems is: a self-propelled rigid filler temperature stress joint cutting and sand filling integrated machine, including a walking frame, a control cabinet is set at the upper rear part of the walking frame, a cutting device is set at the upper middle part, a hydraulic system is set at the upper front part, and a sand filling device is set at the rear end. The cutting device slides on the walking frame along the walking direction. The hydraulic system provides hydraulic power to the cutting device, the walking frame and the sand filling device. The control cabinet controls the operation of the cutting device, the hydraulic system, the sand filling device and the walking frame.

[0012] The walking frame of the present invention includes a frame body, with two sets of walking wheels at the lower part of the frame body. T-shaped slide rails are provided on both the left and right sides of the upper surface of the frame body. Inverted U-shaped pressure bars are provided above the T-shaped slide rails and the ends of the two arms are connected to the frame body. Two sets of crossbars are horizontally provided between the two sets of inverted U-shaped pressure bars. A push frame is provided at the front end of the frame body and a fixed frame is provided at the rear end. A first hydraulic cylinder is horizontally provided on the fixed frame. Four sets of second hydraulic cylinders are inclinedly provided at the four corners of the lower part of the frame body. A frame support block is provided at the end of the piston rod of the second hydraulic cylinder.

[0013] The slitting device of the present invention includes a slitting mounting frame, a slitting unit is disposed at the lower part of the slitting mounting frame via a fourth hydraulic cylinder, a winch is disposed at the upper middle part of the slitting mounting frame and a third hydraulic cylinder is disposed at the upper front end, the steel rope of the winch is connected to the slitting unit, and a slider is disposed on the slitting mounting frame, the slider corresponding to the T-shaped slide rail.

[0014] The slit mounting frame of the present invention includes a mounting frame body, which is a rectangular structure formed by welding four sets of steel sections perpendicularly to each other. Retractable support legs are provided at the four corners of the lower part of the mounting frame body. Slider blocks are provided at both ends of the lower parts of the front and rear sets of steel sections of the mounting frame body. The sliders are located on the outer sides of the retractable support legs. A third hydraulic cylinder is provided at the front end of the front steel section. A winch base is provided in the middle of the mounting frame body. Two sets of fifth hydraulic cylinders are symmetrically and obliquely arranged on the front and rear sides of the lower part of the retractable support legs. A mounting frame support block is provided at the end of the piston rod of the fifth hydraulic cylinder.

[0015] The slitting unit of the present invention consists of a cutter and a cutter fixing device disposed outside the cutter. The cutter includes a cutter head, the upper part of which passes through the slitting vibrator mounting base and is connected to the slitting low-frequency vibrator. The slitting low-frequency vibrator is disposed on the slitting vibrator mounting base. The slitting vibrator mounting base is disposed at the lower part of the counterweight box via a vertical tie rod. The counterweight box is a rectangular structure with an open top and a closed bottom. A partition plate is vertically disposed in the middle of the counterweight box. Two sets of rope holes are machined on the partition plate. The steel rope of the winch is tied to the partition plate through the rope holes. T-shaped sliding rods are disposed at the four corners of the outer side of the counterweight box.

[0016] The cutting blade fixing device of the present invention includes a fixing shell. The upper part of the fixing shell has a rectangular structure and the lower part has a trapezoidal structure. The upper inner corner of the fixing shell is provided with slide rails corresponding to the T-shaped slide rods, and the outer side is provided with a hydraulic cylinder fixing seat. The piston rod end of the fourth hydraulic cylinder is fixed on the hydraulic cylinder fixing seat. The lower part of the fixing shell is provided with a baffle, and the lower middle part of the baffle is provided with a blade sleeve. The cutting head passes through the baffle and the blade sleeve to perform cutting operations.

[0017] The sand filling device of the present invention includes a sand hopper and a sand feeder. The sand hopper includes a funnel, which is fixed to the traveling frame by a fixed support leg. A knife valve is provided at the bottom of the funnel, and the knife valve is connected to the sand feeder through a feed pipe. The sand feeder includes a sand drop hopper, which is fixed to the traveling frame by a sand hopper mounting bracket. A sand press is provided in the upper part of the sand drop hopper and is mounted on the traveling frame. A screw conveyor is provided in the lower part of the sand drop hopper, and a sealing device is provided on the lower rear side of the sand drop hopper.

[0018] The sand hopper of the present invention includes a sand hopper body. The upper part of the sand hopper body has a rectangular structure and the lower part has a trapezoidal structure. Four sets of guide plates are symmetrically arranged on the inner side of the upper part of the sand hopper body. A limit sleeve is provided at the bottom of the sand hopper body. The sand trough extends into the limit sleeve and can slide up and down along its inner side. Connecting plates are horizontally symmetrically arranged on the front and rear sides of the sand trough. The connecting plates are connected to the end of the piston rod of the sixth hydraulic cylinder. The base of the sixth hydraulic cylinder is connected to the sand hopper mounting frame. The sand hopper mounting frame includes vertical connecting rods. The lower part of the two vertical connecting rods is fixed to the outside of opposite sides of the sand hopper body, and a horizontal connecting rod is arranged between the upper parts.

[0019] The sealing device of the present invention includes sealing side plates, two sealing side plates are arranged opposite each other at a distance, the inner front side of the two sealing side plates is connected to the front sealing plate and the inner rear side is connected to the rear sealing plate, the F-shaped sealing plate is arranged with its opening facing downward on the front sealing plate and its end can extend into the limiting sleeve, the top of the F-shaped sealing plate is connected to the end of the piston rod of the eighth hydraulic cylinder, the base of the eighth hydraulic cylinder is fixed to the inner side of the rear sealing plate, and the F-shaped sealing plate can slide relative to the front sealing plate.

[0020] The sand press of the present invention includes a compaction plate, which is a rectangular plate. Four sets of guide grooves are provided on the compaction plate corresponding to the guide plate. A sand drop vibrator is provided in the middle of the upper surface of the compaction plate. A connecting plate at the upper part of the vibrator plate passes through the compaction plate and is connected to the sand drop vibrator. A seventh hydraulic cylinder is symmetrically arranged on the left and right sides of the upper part of the compaction plate. The base of the seventh hydraulic cylinder is fixedly connected to the walking frame and the sand bucket mounting frame respectively through a U-shaped connecting frame.

[0021] Compared with the prior art, the present invention has the following advantages:

[0022] 1. This invention achieves automated integration and seamless connection of the cutting and sand-filling processes, significantly improving construction efficiency. By integrating the cutting and sand-filling devices into one unit and designing a coordinated hydraulic and walking system, a cyclical "cutting-moving-sand-filling" operation is realized. This completely solves the problems of single-function technology and the need to wait for other equipment or manual sand filling after cutting, resulting in process interruptions and low construction efficiency. It is particularly suitable for the rapid and continuous filling rhythm of BCR rigid filler.

[0023] 2. This invention boasts a high degree of automation, significantly reducing labor intensity and ensuring consistent construction quality. Through the coordination of the first and third hydraulic cylinders with the T-shaped slide rail, the automatic and precise positioning and movement of the traveling frame are achieved, replacing the existing technology's operation mode that relies entirely on manual pushing. This not only greatly reduces the labor intensity of operators but also, through automatic mechanical control, effectively avoids problems such as poor straightness and uneven depth of the cut caused by unstable human operation, ensuring stable and reliable cut quality.

[0024] 3. The cutting depth control mechanism of this invention is more precise and reliable. It adopts a combination of "counterweight box gravity sinking + winch coordination + baffle mechanical limit" to control the cutting depth. Compared with the simple limit plate structure in the prior art, this mechanism can better adapt to the slight unevenness of the filler surface, ensuring that the cutter head cuts at a uniform speed and smoothly with the assistance of the low-frequency vibrator, thereby forming a high-quality stress joint with consistent depth and smooth joint wall.

[0025] 4. The sand filling process of this invention is tightly sealed, with uniform material distribution and pre-compaction, effectively ensuring the quality of sand filling. The sand filling device is designed with a sealing structure consisting of an F-shaped sealing plate controlled by an eighth hydraulic cylinder and a limiting sleeve, preventing unexpected leakage of sand. At the same time, the integrated screw conveyor, sand drop vibrator, compaction plate with a seventh hydraulic cylinder, and vibrating plate can evenly distribute and pre-compact the sand, ensuring high density of the sand injected into the joint and preventing it from easily leaking out. This effectively maintains the long-term structural function of the temperature stress joint and prevents the joint from closing due to the pressure of the filler.

[0026] 5. The present invention features a rigid overall structure and high operational stability. By incorporating multiple retractable outriggers and support blocks controlled by hydraulic cylinders, stable support can be formed with the ground at key work positions such as cutting and sand filling. This effectively counteracts the vibrations generated during the operation of the low-frequency vibrator, preventing equipment displacement or tilting, and ensuring long-term operational stability and reliability during large-scale continuous construction. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of the present invention.

[0028] Figure 2 yes Figure 1 The main view.

[0029] Figure 3 yes Figure 1 Top view.

[0030] Figure 4 This is a schematic diagram of the walking frame 1 and the slitting device 2 of the present invention.

[0031] Figure 5 yes Figure 4 A schematic diagram of the structure of the traveling frame 1.

[0032] Figure 6 yes Figure 4 A schematic diagram of the structure of the center cutting device 2.

[0033] Figure 7 yes Figure 6 A schematic diagram of the structure of the center cut mounting bracket 21.

[0034] Figure 8 yes Figure 6 A schematic diagram of the structure of the center slit unit 24.

[0035] Figure 9 yes Figure 8 Schematic diagram of the structure of the middle cutter 241 Figure 1 .

[0036] Figure 10 yes Figure 8 Schematic diagram of the structure of the middle cutter 241 Figure 2 .

[0037] Figure 11 yes Figure 8 A schematic diagram of the structure of the middle cutter fixing device 242.

[0038] Figure 12 yes Figure 1 A schematic diagram of the structure of the sand-filling device 5.

[0039] Figure 13 yes Figure 12 Schematic diagram of the structure of medium sand hopper 51.

[0040] Figure 14 yes Figure 12 Schematic diagram of the structure of the middle sand feeder 52 Figure 1 .

[0041] Figure 15 yes Figure 12 Schematic diagram of the structure of the middle sand feeder 52 Figure 2 .

[0042] Figure 16 yes Figure 14 A schematic diagram of the structure of the sand hopper 522 and the sand hopper mounting frame 523.

[0043] Figure 17 yes Figure 14 Schematic diagram of the structure of medium-pressure sander 524.

[0044] Figure 18 yes Figure 14 A schematic diagram of the structure of the central sealing device 525.

[0045] In the diagram: 1. Walking frame; 2. Cutting device; 3. Hydraulic system; 4. Control cabinet; 5. Sand filling device; 11. Frame body; 12. Walking wheels; 13. Fixed frame; 14. First hydraulic cylinder; 15. Inverted U-shaped pressure bar; 16. Crossbar; 17. T-shaped slide rail; 18. Push frame; 19. Frame support block; 110. Second hydraulic cylinder; 21. Cutting mounting frame; 22. Winch; 23. Third hydraulic cylinder; 24. Cutting unit; 25. Fourth hydraulic cylinder; 26. Slider; 211. Mounting frame body; 212. Winch base; 213. Telescopic outriggers; 214. Fifth hydraulic cylinder; 215. Mounting bracket support block; 241. Cutter; 242. Cutter fixing device; 2411. Cutter head; 2412. Vertical tie rod; 2413. Counterweight box; 2414. T-shaped slide bar; 2415. Divider plate; 2416. Cutting kerf low-frequency vibrator; 2417. Cutting kerf vibrator mounting base; 2421. Fixing shell; 2422. Slide rail; 2423. Baffle; 2424. Cutter sleeve; 2425. Hydraulic cylinder fixing seat; 51. Sand hopper; 52. Sand feeder; 511. Funnel; 512. Fixed support leg; 513. Cutter valve; 514. Feed pipe; 521. Screw conveyor; 522. Sand dropper. 523. Sand bucket mounting frame; 524. Sand press; 525. Sealing device; 5221. Sand dropping bucket body; 5222. Sand dropping trough; 5223. Limiting sleeve; 5224. Connecting plate; 5225. Sixth hydraulic cylinder; 5226. Guide plate; 5231. Horizontal connecting rod; 5232. Vertical connecting rod; 5241. Seventh hydraulic cylinder; 5242. U-shaped connecting frame; 5243. Sand dropping vibrator; 5244. Compactor plate; 5245. Vibrating plate; 5246. Guide groove; 5251. Sealing side plate; 5252. Eighth hydraulic cylinder; 5253. Rear sealing plate; 5254. F-shaped sealing plate; 5255. Front sealing plate. Detailed Implementation

[0046] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments, but the present invention is not limited to these embodiments.

[0047] Example 1

[0048] exist Figure 1 , 2 In section 3, the self-propelled rigid filler temperature stress joint cutting and sand filling integrated machine of the present invention includes a walking frame 1, with the traveling direction of the walking frame 1 defined as forward. A control cabinet 4 is located at the upper rear of the walking frame 1, a cutting device 2 is located at the upper middle, a hydraulic system 3 is located at the upper front, and a sand filling device 5 is located at the rear end. The cutting device 2 can slide along the traveling direction on the walking frame 1. The hydraulic system 3 provides hydraulic power to the cutting device 2, the walking frame 1, and the sand filling device 5. The control cabinet 4 controls the operation of the cutting device 2, the hydraulic system 3, the sand filling device 5, and the walking frame 1. Figure 4 , 5 As shown, the walking frame 1 of this embodiment includes a frame body 11. Two sets of walking wheels 12 are provided at the lower part of the frame body 11. T-shaped slide rails 17 are provided on both the left and right sides of the upper surface of the frame body 11. Inverted U-shaped pressure rods 15 are provided above the T-shaped slide rails 17 and the ends of the two arms are connected to the frame body 11. The inverted U-shaped pressure rods prevent the slider 26 from disengaging from the T-shaped slide rails 17 due to the ground reaction force when the telescopic outrigger 213 moves downward, thus preventing the entire equipment from becoming unstable. Two sets of horizontal bars 16 are horizontally arranged between the two sets of inverted U-shaped pressure rods 15. The horizontal bars 16 are used to support the first hydraulic cylinder 14 and the third hydraulic cylinder 23 to prevent them from sagging under the action of gravity. The front end of the frame body 11 is provided with a push frame 18 and the rear end is provided with a fixed frame 13. The fixed frame 13 and the push frame 18 are L-shaped structures. The first hydraulic cylinder 14 is horizontally arranged on the fixed frame 13. In this embodiment, there are two sets of first hydraulic cylinders 14, which are symmetrically arranged on the inner side wall of the L-shaped fixed frame 13 to ensure uniform force. Four sets of second hydraulic cylinders 110 are inclinedly arranged at the four corners of the lower part of the frame body 11. The piston rod end of the second hydraulic cylinder 110 is provided with a frame support block 19. In this embodiment, the cross-sectional shape of the frame support block 19 is an isosceles triangle structure, and the base of the triangle is in contact with the packing panel.

[0049] like Figure 6 As shown, the slitting device 2 of this embodiment includes a slitting mounting frame 21. The slitting unit 24 is disposed at the lower part of the slitting mounting frame 21 via a fourth hydraulic cylinder 25. In this embodiment, four sets of fourth hydraulic cylinders 25 are provided, two sets of which are disposed on the left side of the slitting unit 24 and the other two sets of which are disposed on the right side of the slitting unit 24, and are symmetrically arranged about the slitting unit 24 in pairs.

[0050] like Figure 7As shown, the slit mounting bracket 21 of this embodiment includes a mounting bracket body 211, which is a rectangular structure formed by welding four sets of steel sections perpendicularly to each other. Each of the four lower corners of the mounting bracket body 211 is provided with a retractable support leg 213, which adopts a structure found in the prior art. Slider blocks 26 are provided at both ends of the lower parts of the front and rear sets of steel sections of the mounting bracket body 211. The sliders 26 are located on the outer side of the retractable support legs 213 and correspond to the T-shaped slide rail 17. A third hydraulic cylinder 23 is provided at the front end of the front steel section. In this embodiment, two sets of third hydraulic cylinders 23 are provided, symmetrically arranged about the slit mounting bracket 21 to ensure uniform force distribution. During operation, the piston rod of the third hydraulic cylinder 23 extends and abuts against the inner side of the push frame 18 to apply force. A winch base 212 is provided in the middle of the mounting frame body 211, and a winch 22 is provided on the winch base 212. Two sets of fifth hydraulic cylinders 214 are symmetrically inclined on the front and rear sides of the lower part of the telescopic support leg 213. The end of the piston rod of the fifth hydraulic cylinder 214 is provided with a mounting frame support block 215. In this embodiment, the cross-sectional shape of the mounting frame support block 215 is an isosceles triangle structure, and the base of the triangle is in contact with the packing panel.

[0051] like Figure 8 As shown, the slitting unit 24 in this embodiment consists of a cutter 241 and a cutter fixing device 242 disposed outside the cutter 241. The cutter 241 includes a blade head 2411. In this embodiment, the blade head 2411 has a rectangular structure, 600mm long, 600mm high, and 12mm thick, with the lower part machined into a cutting edge. The upper part of the blade head 2411 passes through the slitting vibrator mounting base 2417 and is connected to the slitting low-frequency vibrator 2416. The slitting low-frequency vibrator 2416 is disposed on the slitting vibrator mounting base 2417. The slitting vibrator mounting base 2417 has an inverted U-shaped structure and is mounted on the slitting vibrator via a vertical tie rod 2412. The counterweight box 2413 is a rectangular structure with an open top and a closed bottom. Furthermore, a partition plate 2415 is vertically arranged in the middle of the counterweight box 2413. Two sets of rope holes are machined on the partition plate 2415. The steel rope of the winch 22 is tied to the partition plate 2415 through the rope holes. During operation, a counterweight block is added to the counterweight box 2413. When the steel rope of the winch 22 is in a relaxed state, the weight of the counterweight box 2413 and the vibration of the cutting low-frequency vibrator 2416 cause the cutter head 2411 to gradually cut into the filler panel. T-shaped slide bars 2414 are arranged at the four corners of the outer side of the counterweight box 2413. The T-shaped slide bars 2414 correspond to the slide rails 2422.

[0052] like Figures 9-11As shown, the cutter fixing device 242 of this embodiment includes a fixing shell 2421. The upper part of the fixing shell 2421 has a rectangular structure and the lower part has a trapezoidal structure. The upper inner corner of the fixing shell 2421 is provided with slide rails 2422 corresponding to the T-shaped slide rods 2414, and the outer side is provided with a hydraulic cylinder fixing seat 2425. The piston rod end of the fourth hydraulic cylinder 25 is fixed on the hydraulic cylinder fixing seat 2425. The lower part of the fixing shell 2421 is provided with a baffle 2423. The length and width dimensions of the baffle 2423 in this embodiment are the same as those of the cutting vibrator mounting base 2417. In practice, when the lower part of the cutting vibrator mounting base 2417 moves to the upper part of the baffle 2423, the set cutting depth is reached. The lower middle part of the baffle 2423 is provided with a blade sleeve 2424. The cutter head 2411 passes through the baffle 2423 and the blade sleeve 2424 to perform cutting operations.

[0053] like Figures 12-15 As shown, the sand-filling device 5 in this embodiment includes a sand hopper 51 and a sand feeder 52. The sand hopper 51 includes a funnel 511, which is fixed to the traveling frame 1 by a fixed support leg 512. A knife valve 513 is provided at the bottom of the funnel 511. The knife valve 513 is connected to the sand feeder 52 through a feed pipe 514. By opening the knife valve 513, the sand in the funnel 511 enters the sand feeder 52. The sand feeder 52 includes a sand drop hopper 522, which is connected to... The sand hopper mounting frame 523 is fixed on the walking frame 1. A sand press 524 is installed in the upper part of the sand drop hopper 522. The sand press 524 is installed on the walking frame 1. A screw conveyor 521 is installed in the lower part of the sand drop hopper 522. The screw conveyor 521 transports the sand entering the sand drop hopper 522 to the other side of the sand drop hopper 522. A sealing device 525 is installed on the lower rear side of the outer part of the sand drop hopper 522. The sealing device 525 is used to control the falling of sand in the sand drop hopper 522.

[0054] like Figure 16As shown, the sand hopper 522 in this embodiment includes a sand hopper body 5221. The upper part of the sand hopper body 5221 has a rectangular structure, and the lower part has a trapezoidal structure. Four sets of guide plates 5226 are symmetrically arranged on the inner side of the upper part of the sand hopper body 5221. A limiting sleeve 5223 is provided at the bottom of the sand hopper body 5221. The sand trough 5222 extends into the limiting sleeve 5223 and can slide up and down along its inner side. The sand trough 5222 has a rectangular hollow structure. The sand in the sand hopper body 5221 falls down along the sand trough 5222 into the slit cut by the cutting device 2. Connecting plates 5224 are horizontally symmetrically arranged on the front and rear sides of the sand trough 5222. The connecting plates 5224 and The piston rod end of the sixth hydraulic cylinder 5225 is connected, and the base of the sixth hydraulic cylinder 5225 is connected to the sand hopper mounting frame 523. The action of the sixth hydraulic cylinder 5225 drives the sand drop trough 5222 to slide up and down, so that it is as close as possible to the cut gap during operation to prevent sand leakage. When moving, it is retracted to avoid scratching the packing panel during movement. The sand hopper mounting frame 523 includes vertical connecting rods 5232. The lower parts of the two vertical connecting rods 5232 are fixed to the outer sides of the opposite sides of the sand drop hopper body 5221, and the upper parts are provided with a horizontal connecting rod 5231. The piston rod end of the sixth hydraulic cylinder 5225 is fixed to the bottom of the vertical connecting rods 5232.

[0055] like Figure 17 As shown, the sand press 524 in this embodiment includes a compaction plate 5244, which is a rectangular plate. Four sets of guide grooves 5246 are provided on the compaction plate 5244 corresponding to the guide plate 5226. The guide plate 5226 and the guide grooves 5246 guide the up-and-down sliding of the sand press 524. A sand-falling vibrator 5243 is provided in the middle of the upper surface of the compaction plate 5244. An upper connecting plate of the vibrating plate 5245 passes through the compaction plate 5244 and connects to the sand-falling vibrator 5243. 43 drives the vibrating plate 5245 to slide up and down relative to the compaction plate 5244. The vibration of the sand drop vibrator 5243, combined with the gravity of the sand itself, allows it to smoothly enter the sand drop trough 5222. The size of the vibrating plate 5245 is smaller than the size of the rectangular surface enclosed by the four sets of guide grooves 5246. The compaction plate 5244 has a seventh hydraulic cylinder 5241 symmetrically arranged on the left and right sides of the upper part. The base of the seventh hydraulic cylinder 5241 is fixedly connected to the walking frame 1 and the sand bucket mounting frame 523 respectively through U-shaped connecting frames 5242. In this embodiment, two sets of U-shaped connecting frames 5242 of different lengths are provided. One end of the longer U-shaped connecting frame 5242 is connected to the transverse connecting rod 5231, and one end of the shorter U-shaped connecting frame 5242 is connected to the crossbeam of the walking frame 1.

[0056] like Figure 18As shown, the sealing device 525 of this embodiment includes sealing side plates 5251. Two sealing side plates 5251 are arranged opposite each other at a distance. The inner front side of the two sealing side plates 5251 is connected to the front sealing plate 5255, and the inner rear side is connected to the rear sealing plate 5253. An F-shaped sealing plate 5254 is disposed with its opening facing downward on the front sealing plate 5255, and its end can extend into the limiting sleeve 5223. The F-shaped sealing plate 5254 can slide relative to the front sealing plate 5255. In order to allow the F-shaped sealing plate 5254 to extend into the limiting sleeve 5223, a rectangular groove is machined on the corresponding side of the upper part of the limiting sleeve 5223. The end of the F-shaped sealing plate 5254 extends into the limiting sleeve 5223 through the rectangular groove. The top of the F-shaped sealing plate 5254 is connected to the piston rod end of the eighth hydraulic cylinder 5252. The components are connected, and the base of the eighth hydraulic cylinder 5252 is fixed inside the rear sealing plate 5253. In this embodiment, there are two sets of eighth hydraulic cylinders 5252, which are symmetrically arranged about the length of the rear sealing plate 5253. The rear sealing plate 5253 has an L-shaped structure. The F-shaped sealing plate 5254 moves back and forth horizontally under the action of the eighth hydraulic cylinder 5252. When it extends into the limiting sleeve 5223, it prevents the sand in the sand hopper 522 from falling. When it retracts from the limiting sleeve 5223, the sand in the sand hopper 522 enters the sand trough 5222. The front sealing plate 5255 is horizontally arranged. On the one hand, it supports the F-shaped sealing plate 5254 to prevent it from sagging under gravity. On the other hand, it acts as a limiting plate to restrict the extension and retraction distance of the F-shaped sealing plate 5254.

[0057] The working principle of this invention is as follows:

[0058] During initial positioning, all hydraulic cylinders except the eighth hydraulic cylinder 5252 are in the retracted state. The connecting rod end of the first hydraulic cylinder 14 is in close contact with the cutting device 2, and the sand hopper 522 of the sand filling device 5 is in close contact with the cutter fixing device 242 of the cutting device 2. After the equipment is in position, the second hydraulic cylinder 110, the telescopic outrigger 213, and the fifth hydraulic cylinder 214 are activated, causing the frame support block 19, the telescopic outrigger 213, and the mounting bracket support block 215 to make stable contact with the ground. The fourth hydraulic cylinder 25 is activated, causing the cutting unit 24 to move downward to a suitable distance from the bottom of the filler panel. This distance is adjusted according to the cutting depth. After the bottom of the cutting unit 24 is in place, the winch 22 starts to loosen the steel rope. Under its own weight, the cutter 241 moves downward along the slide 2422 of the cutter fixing device 242 until the cutter head 2411 contacts the packing panel. The winch 22 continues to loosen the steel rope until it is completely relaxed, then stops the winch 22 and starts the low-frequency vibrator 2416. Under the weight of the counterweight box 2413 and the action of the low-frequency vibrator 2416, the cutter head 2411 cuts the packing panel until the cutting vibrator mounting base 2417 moves to the upper surface of the baffle 2423, thus completing the cutting operation. The winch 22 is then started to reverse and tighten the steel rope, causing the cutter 241 to move upward along the slide 2422 of the cutter fixing device 242 until the cutter head 2411 enters the cutter sleeve 2424, at which point the winch 22 is stopped.

[0059] After the slit cutting operation is completed, the telescopic outrigger 213 and the fifth hydraulic cylinder 214 actuate, causing the telescopic outrigger 213 and the mounting bracket support block 215 to detach from the ground. The first hydraulic cylinder 14 extends, pushing the slit cutting device 2 forward along the T-shaped slide rail 17 until the third hydraulic cylinder 23 contacts the push frame 18. The telescopic outrigger 213 and the fifth hydraulic cylinder 214 actuate, causing the telescopic outrigger 213 and the mounting bracket support block 215 to stably contact the ground. The second hydraulic cylinder 110 actuates, causing the mounting bracket support block 215 to detach from the ground. The first hydraulic cylinder 14 retracts, and the third hydraulic cylinder 23 extends. The force acting on the push frame 18 causes the traveling frame 1 to move forward until it contacts the first hydraulic cylinder 14. At this point, the cutter head 2411 has just moved the distance of its slit cutting length, and the sand hopper 522 of the sand filling device 5 is directly above the slit. The slit cutting operation is repeated while simultaneously filling the previously cut slit with sand.

[0060] The eighth hydraulic cylinder 5252 is in the extended state, causing the F-shaped sealing plate to insert into the limiting sleeve 5223, ensuring that the sand in the sand drop hopper 522 does not fall. The knife valve 513 is opened, allowing the sand in the funnel 511 to enter the sand drop hopper 522. Under the action of the screw conveyor 521, the sand is distributed in the sand drop hopper 522. The seventh hydraulic cylinder 5241 is activated, causing the compaction plate 5244 to move downward to compact the sand. At the same time, the sand drop vibrator 5243 is turned on, so that the sand is evenly distributed in the sand drop hopper 522. The cutter head 2411 corresponds to the size of the sand drop trough 5222, so that the slit cut by the cutter head 2411 can just be used by the sand drop. Sand is poured into trough 5222. The sixth hydraulic cylinder 5225 is activated, causing the sand trough 5222 to extend into the cut slit. The eighth hydraulic cylinder 5252 is retracted, causing the F-shaped sealing plate 5254 to retract and disengage from the limiting sleeve 5223. At this time, the sand in the sand hopper 522 falls into the cut slit. Under the action of the sand vibrator 5243 and the gravity of the sand, the cut slit is filled. After filling, the eighth hydraulic cylinder 5252 is extended, causing the F-shaped sealing plate 5254 to insert into the limiting sleeve 5223. The sand vibrator 5243 is turned off, and the sixth hydraulic cylinder 5225 retracts, causing the sand trough 5222 to move upward and disengage from the packing panel, completing the sand filling operation.

[0061] The above process constitutes one work cycle, which is then repeated until the cutting and sand filling work of the entire panel is completed.

Claims

1. A self-propelled rigid filler temperature stress joint cutting and sand filling integrated machine, characterized in that: The system includes a walking frame (1), a control cabinet (4) is installed at the upper rear part of the walking frame (1), a cutting device (2) is installed at the upper middle part, a hydraulic system (3) is installed at the upper front part, and a sand filling device (5) is installed at the rear end. The cutting device (2) slides on the walking frame (1) along the walking direction. The hydraulic system (3) provides hydraulic power to the cutting device (2), the walking frame (1) and the sand filling device (5). The control cabinet (4) controls the operation of the cutting device (2), the hydraulic system (3), the sand filling device (5) and the walking frame (1). The slitting device (2) includes a slitting mounting frame (21), a slitting unit (24) is installed at the lower part of the slitting mounting frame (21) via a fourth hydraulic cylinder (25), a winch (22) is installed at the upper middle part of the slitting mounting frame (21), a third hydraulic cylinder (23) is installed at the upper front end, the steel rope of the winch (22) is connected to the slitting unit (24), and a slider (26) is installed on the slitting mounting frame (21). The cutting unit (24) consists of a cutter (241) and a cutter fixing device (242) disposed outside the cutter (241). The cutter (241) slides up and down inside the cutter fixing device (242). The cutter (241) includes a cutter head (2411). The upper part of the cutter head (2411) passes through the cutting vibrator mounting base (2417) and is connected to the cutting low-frequency vibrator (2416). The cutting low-frequency vibrator (2416) is mounted on the cutting vibrator mounting base (2417). The cutting vibrator mounting base (2417) is mounted on the lower part of the counterweight box (2413) via a vertical tie rod (2412). The counterweight box (2413) is a rectangular structure with an open top and a closed bottom. A partition plate (2415) is vertically mounted in the middle of the counterweight box (2413). Two sets of rope holes are machined on the partition plate (2415). The steel rope of the winch (22) is tied to the partition plate (2415) through the rope holes.

2. The self-propelled rigid filler temperature stress joint cutting and sand filling integrated machine according to claim 1, characterized in that: The walking frame (1) includes a frame body (11). Two sets of walking wheels (12) are provided at the lower part of the frame body (11). T-shaped slide rails (17) are provided on both the left and right sides of the upper surface of the frame body (11). The T-shaped slide rails (17) and the sliders (26) are corresponding to each other. Inverted U-shaped pressure rods (15) are provided above the T-shaped slide rails (17) and the ends of the two arms are connected to the frame body (11). Two sets of crossbars (16) are horizontally provided between the two sets of inverted U-shaped pressure rods (15). A push frame (18) is provided at the front end of the frame body (11) and a fixed frame (13) is provided at the rear end. A first hydraulic cylinder (14) is horizontally provided on the fixed frame (13). Four sets of second hydraulic cylinders (110) are inclinedly provided at the four corners of the lower part of the frame body (11). A frame support block (19) is provided at the end of the piston rod of the second hydraulic cylinder (110).

3. The self-propelled rigid filler temperature stress joint cutting and sand filling integrated machine according to claim 1, characterized in that: The slit mounting frame (21) includes a mounting frame body (211), which is a rectangular structure formed by welding four sets of steel sections perpendicularly to each other. The four corners of the lower part of the mounting frame body (211) are provided with telescopic support legs (213). The lower ends of the front and rear sets of steel sections of the mounting frame body (211) are provided with sliders (26). The sliders (26) are located on the outside of the telescopic support legs (213). The front end of the front steel section is provided with a third hydraulic cylinder (23). The middle part of the mounting frame body (211) is provided with a winch base (212). The lower front and rear sides of the telescopic support legs (213) are symmetrically and obliquely provided with two sets of fifth hydraulic cylinders (214). The piston rod of the fifth hydraulic cylinder (214) is provided with a mounting frame support block (215).

4. The self-propelled rigid filler temperature stress joint cutting and sand filling integrated machine according to claim 1, characterized in that: The cutter fixing device (242) includes a fixing shell (2421). The upper part of the fixing shell (2421) has a rectangular structure and the lower part has a trapezoidal structure. The upper inner corner of the fixing shell (2421) is provided with slide rails (2422). The slide rails (2422) and the T-shaped slide rods (2414) provided at the four outer corners of the counterweight box (2413) are correspondingly set to realize the up and down sliding of the cutter (241) and the cutter fixing device (242). The outer side is provided with a hydraulic cylinder fixing seat (2425). The piston rod end of the fourth hydraulic cylinder (25) is fixed on the hydraulic cylinder fixing seat (2425). The lower part of the fixing shell (2421) is provided with a baffle (2423). The lower middle part of the baffle (2423) is provided with a blade sleeve (2424). The cutter head (2411) passes through the baffle (2423) and the blade sleeve (2424) to perform cutting operations.

5. The self-propelled rigid filler temperature stress joint cutting and sand filling integrated machine according to claim 1, characterized in that: The sand filling device (5) includes a sand hopper (51) and a sand feeder (52). The sand hopper (51) includes a funnel (511), which is fixed to the walking frame (1) by a fixed support leg (512). A knife valve (513) is provided at the bottom of the funnel (511), and the knife valve (513) is connected to the sand feeder (52) through a feed pipe (514). The sand feeder (52) includes a sand drop hopper (522), which is fixed to the walking frame (1) by a sand hopper mounting bracket (523). A sand presser (524) is provided in the upper part of the sand drop hopper (522), which is installed on the walking frame (1). A screw conveyor (521) is provided in the lower part of the sand drop hopper (522), and a sealing device (525) is provided on the lower rear side of the sand drop hopper (522).

6. The self-propelled rigid filler temperature stress joint cutting and sand filling integrated machine according to claim 5, characterized in that: The sand hopper (522) includes a sand hopper body (5221). The upper part of the sand hopper body (5221) has a rectangular structure, and the lower part has a trapezoidal structure. Four sets of guide plates (5226) are symmetrically arranged on the inner side of the upper part of the sand hopper body (5221). A limiting sleeve (5223) is provided at the bottom of the sand hopper body (5221). The sand trough (5222) extends into the limiting sleeve (5223) and can slide up and down along its inner side. The front and rear sides of the sand trough (5222) A connecting plate (5224) is symmetrically arranged horizontally. The connecting plate (5224) is connected to the end of the piston rod of the sixth hydraulic cylinder (5225). The base of the sixth hydraulic cylinder (5225) is connected to the sand hopper mounting frame (523). The sand hopper mounting frame (523) includes vertical connecting rods (5232). The lower part of the two vertical connecting rods (5232) is fixed to the outside of opposite sides of the sand hopper body (5221), and a horizontal connecting rod (5231) is arranged between the upper parts.

7. The self-propelled rigid filler temperature stress joint cutting and sand filling integrated machine according to claim 6, characterized in that: The sealing device (525) includes sealing side plates (5251), two sealing side plates (5251) are arranged opposite each other at intervals, the inner front side of the two sealing side plates (5251) is connected to the front sealing plate (5255), and the inner rear side is connected to the rear sealing plate (5253). The F-shaped sealing plate (5254) is set with its opening facing downward on the front sealing plate (5255) and its end can extend into the limiting sleeve (5223). The top of the F-shaped sealing plate (5254) is connected to the end of the piston rod of the eighth hydraulic cylinder (5252). The base of the eighth hydraulic cylinder (5252) is fixed to the inner side of the rear sealing plate (5253). The F-shaped sealing plate (5254) can slide relative to the front sealing plate (5255).

8. The self-propelled rigid filler temperature stress joint cutting and sand filling integrated machine according to claim 6, characterized in that: The sand press (524) includes a compaction plate (5244), which is a rectangular plate. Four sets of guide grooves (5246) are provided on the compaction plate (5244) corresponding to the guide plate (5226). A sand drop vibrator (5243) is provided in the middle of the upper surface of the compaction plate (5244). The upper connecting plate of the vibrating plate (5245) passes through the compaction plate (5244) and is connected to the sand drop vibrator (5243). A seventh hydraulic cylinder (5241) is symmetrically arranged on the left and right sides of the upper part of the compaction plate (5244). The base of the seventh hydraulic cylinder (5241) is fixedly connected to the walking frame (1) and the sand bucket mounting frame (523) respectively through the U-shaped connecting frame (5242).

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