Washing type on-bridge ballast bed screen cleaning equipment

Abstract

The invention discloses washing type bridge ballast bed screen cleaning equipment which comprises a machine body installed on a frame, a washing type slag removal mechanism and a belt conveying mechanism are installed on the machine body downwards in the vertical direction at intervals, and a form adjusting type excavation mechanism is arranged at the feeding end of the belt conveying mechanism. A hydraulic adjusting mechanism is arranged between the form-adjusting excavation mechanism and the machine body, two driving mechanisms used for driving the form-adjusting excavation mechanism and the belt conveying mechanism to act synchronously are arranged between the form-adjusting excavation mechanism and the belt conveying mechanism, and the two driving mechanisms are arranged on the two sides of the machine body respectively. According to the invention, continuous screen cleaning operation can be carried out on a ballast bed in a limited space, the screen cleaning efficiency is improved, small-particle-size broken stones, mud sand and the like can be effectively removed, and the safety of subsequent driving on a train bridge is ensured. The ballast bed cleaning device is suitable for the technical field of ballast bed cleaning of the bridge in the ballast track.

Description

Technical Field

[0001] The invention belongs to the technical field of railway track bed cleaning, and in particular relates to a water-washing type bridge track bed cleaning device. Background Art

[0002] During the long-term use of the ballast track of the railway, the ballast track is continuously stressed due to factors such as the rolling of the train, which causes the gravel with smaller particle size to gradually settle. In addition, due to the influence of factors such as precipitation, mud and sand also gradually settle downward, causing the lower part of the ballast bed to become compacted. As time goes by, the compacted layer will gradually thicken, and the buffering capacity of the ballast track will decrease. In this way, when the train runs on the rails, due to the decrease in buffering capacity, at least the riding comfort of the passengers will decrease. More seriously, since the sleepers cannot effectively transfer the external force to the ballast bed after the rails are stressed, the rails are concentratedly stressed and deformed, broken, and finally cause safety accidents. In order to overcome the above problems, it is necessary to regularly clean and screen the ballast bed. Specifically, excavators and other equipment are used to screen out the small-sized gravel and mud and sand mixed in the large-sized gravel in the ballast bed, and then the large-sized gravel obtained by screening is backfilled. This method requires the use of equipment such as excavators, has many operating procedures, has extremely low cleaning efficiency, and requires a large space for operation. However, the roadbed on the bridge does not have a large space for cleaning operations with equipment such as excavators, and thus cannot achieve the purpose of continuous cleaning operations, which affects the cleaning efficiency on the one hand and the cleaning effect on the other. Summary of the invention

[0003] The present invention provides a water-washing type bridge track bed cleaning and screening equipment, which is used for continuously cleaning and screening the track bed in a limited space, thereby improving the cleaning and screening efficiency and being able to effectively remove small-size gravel and mud and sand, etc., to ensure the safety of subsequent train driving on the bridge.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is as follows: A water-washing type bridge track bed cleaning and screening equipment comprises a machine body mounted on a frame, a water-washing type slag removal mechanism and a belt conveyor mechanism are installed on the machine body at intervals in a vertical direction downward, an adjustable excavation mechanism is arranged at the feeding end of the belt conveyor mechanism, a hydraulic adjustment mechanism is arranged between the adjustable excavation mechanism and the machine body, and two driving mechanisms for driving the adjustable excavation mechanism and the belt conveyor mechanism to move synchronously are arranged between the adjustable excavation mechanism and the belt conveyor mechanism, and the two driving mechanisms are arranged on both sides of the machine body.

[0005] Furthermore, the adjustable excavation mechanism includes two closed-loop first transmission chains installed on both sides of the chain-plate excavation unit, and adjustable drive units are respectively installed on both sides of the chain-plate excavation unit. The ends of the two adjustable drive units that are close to each other are connected by a mounting rod arranged in the chain-plate excavation unit, and a vibrator is installed on the mounting rod. The ends of the two adjustable drive units that are away from each other are connected to the hydraulic adjustment mechanism.

[0006] Furthermore, the chain plate type excavation unit includes a plurality of chain plate links which are pivotally connected in sequence to form a closed-loop structure, and a plurality of excavation teeth are arranged at lateral intervals along the roadbed on each of the chain plate links, and each of the excavation teeth moves through the chain plate link along a vertical line of the chain plate link, and a fixed plate is constructed at one end of the excavation tooth close to the mounting rod, and a buffer spring is mounted outside the excavation tooth, and both ends of the buffer spring are fixedly connected to the fixed plate and the chain plate link respectively.

[0007] Furthermore, a curved excavating portion is constructed at one end of the excavating tooth away from the buffer spring, and a plurality of connecting sleeves are constructed on the chain plate section at lateral intervals along the ballast bed, and each of the excavating teeth passes through a corresponding connecting sleeve.

[0008] Furthermore, the shape-adjusting drive unit includes a disc-shaped fixing seat connected to the end of the mounting rod, and four hydraulic cylinders are evenly installed on the disc-shaped fixing seat along its circumference, and each of the hydraulic cylinders extends radially outward along the disc-shaped fixing seat. A mounting shaft is rotatably connected to the cylinder rod of each hydraulic cylinder, and a shape-adjusting sprocket is installed on the mounting shaft, and each of the shape-adjusting sprockets is transmission-connected to the first transmission chain.

[0009] Furthermore, the belt conveyor mechanism includes two transmission rollers arranged at intervals along the length direction of the roadbed, each of the transmission rollers is rotatably connected to the machine body through an axle rod coaxially connected thereto, and the two transmission rollers are connected through a conveyor belt transmission. A shovel bucket is provided at one end of the belt conveyor mechanism close to the adjusting excavation mechanism, and the shovel bucket is connected to the machine body.

[0010] Furthermore, a plurality of guide grooves are evenly constructed on the outer peripheral surface of the conveyor belt along its circumference, the middle of the guide groove on the upper end surface of the conveyor belt protrudes toward the adjustment excavation mechanism, and both sides of the guide groove extend obliquely to both sides of the machine body respectively.

[0011] Furthermore, the machine body includes two plate-like bodies symmetrically arranged on both sides of the belt conveyor mechanism, and the two ends of each of the shafts are rotatably connected to the two plate-like bodies respectively. Each plate-like body has a baffle extending outward and upward, and a blocking edge is constructed at the position of each baffle close to the side of the conveyor belt. The blocking edge is inclined downward at one end away from the baffle and close to the edge of the conveyor belt. The blocking edge extends from one end of the plate-like body to the other end, and a slag discharge channel is formed between the blocking edge, the corresponding plate-like body and the corresponding side of the conveyor belt. A plurality of slag discharge notches are evenly opened on the blocking edge along its length direction, and each of the slag discharge notches extends laterally or extends obliquely along the conveying direction of the material, and each slag discharge notch is connected to the slag discharge channel.

[0012] Furthermore, the driving mechanism includes a first transmission sprocket and a second transmission sprocket which are connected by a second transmission chain, the first transmission sprocket and the second transmission sprocket are respectively installed on the same side ends of the shaft rod and the mounting shaft which are close to each other, a vertical cylinder is installed on the machine body, a tensioning sprocket is rotatably installed on the cylinder rod of the vertical cylinder, the tensioning sprocket is connected by the second transmission chain, a hydraulic motor or a driving motor is installed on the machine body, and the output shaft of the hydraulic motor or the driving motor is coaxially connected to the end of one of the shaft rods.

[0013] Furthermore, the water-washing type slag removal mechanism includes a transverse beam installed on the upper end of the machine body, and two continuous water-washing parts are symmetrically installed on the transverse beam. The ends of the two continuous water-washing parts close to the adjustment excavation mechanism are interconnected and connected to the water inlet pipe. The spacing between the two continuous water-washing parts increases along the conveying direction of the belt conveyor mechanism. The end of the continuous water-washing part away from the transverse beam is connected to the machine body through a adapter plate. An oblique flushing portion inclined downward and extending outward is constructed at the lower part of each of the continuous water-washing parts. The lower end of the oblique flushing portion has a continuous flushing port, which extends along the length direction of the oblique flushing portion to both ends of the oblique flushing portion, and the flushing port is connected to the water inlet cavity constructed in the continuous water-washing part, and the water inlet pipe is connected to the water inlet cavity.

[0014] Due to the adoption of the above structure, the technical progress achieved by the present invention compared with the prior art is that: the present invention installs the frame on the traveling vehicle, the traveling vehicle spans both sides of the track, and the traveling vehicle travels along the length direction of the track. The shape of the adjustable excavation mechanism is adjusted according to the depth of excavation, and then the driving mechanism is controlled to drive the adjustable excavation mechanism and the belt conveyor mechanism to act synchronously. The adjustable excavation mechanism continuously excavates the roadbed, and the excavated gravel and the like are transported to the belt conveyor mechanism; in the process of continuous transportation of the gravel, the water-washing slag removal mechanism washes down the fine gravel and mud and sand, and separates them from the large-size gravel, and the large-size gravel is transported back to the track. After the traveling vehicle leaves, the roadbed is vibrated and compacted by the vibrating equipment. The present invention adjusts the excavation angle of the adjustable excavation mechanism through a hydraulic adjustment mechanism, reduces the difficulty of roadbed excavation, facilitates the effective transportation of gravel to the belt conveyor mechanism, and occupies less space in the whole process. In summary, the present invention can perform continuous cleaning and screening operations on the roadbed in a limited space, thereby improving the cleaning efficiency and effectively removing small-size gravel and mud and sand, etc., to ensure the safety of subsequent train driving on the bridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0016] In the attached picture: Figure 1 It is a structural schematic diagram of an embodiment of the present invention; Figure 2 A structural side view of an embodiment of the present invention; Figure 3 It is a structural schematic diagram of the adjustable excavation mechanism according to an embodiment of the present invention; Figure 4 It is a structural schematic diagram of the connection between the chain plate type excavation unit and the two first transmission chains in the adjustable excavation mechanism according to an embodiment of the present invention; Figure 5 It is a schematic structural diagram of a plurality of chain plate links pivotally connected in sequence in a chain plate type excavation unit according to an embodiment of the present invention; Figure 6 It is a schematic structural diagram of the connection between a chain plate segment and a plurality of excavation teeth in a chain plate type excavation unit according to an embodiment of the present invention; Figure 7 It is a schematic structural diagram of the connection between a chain plate segment and a plurality of excavating teeth having an excavating portion in an excavating unit according to an embodiment of the present invention; Figure 8 It is a structural schematic diagram of the connection between the adjustable driving unit, the mounting rod and the vibrator in the adjustable excavation mechanism according to an embodiment of the present invention; Fig. 9It is a structural schematic diagram of the connection between the machine body, the belt conveyor mechanism, the shovel bucket and the water-washing type slag removal mechanism according to an embodiment of the present invention; Fig.10 It is a structural schematic diagram of the connection between the belt conveyor mechanism, the shovel bucket and the machine body according to an embodiment of the present invention; Fig.11 This is a front view of the structure of the connection between the machine body and the belt conveyor mechanism of the embodiment of the present invention; Fig.12 This is a schematic structural diagram of a water-washing type slag removal mechanism according to an embodiment of the present invention; Fig.13 It is a schematic diagram of the partial structure of the body of an embodiment of the present invention.

[0017] Labeled parts: 100-adjustable excavation mechanism, 101-chain plate excavation unit, 1011-chain plate section, 1012-connecting sleeve, 1013-excavation tooth, 1014-fixed plate, 1015-buffer spring, 1016-excavation part, 102-first transmission chain, 103-adjustable drive unit, 1031-disc-shaped fixing seat, 1032-hydraulic cylinder, 1033-installation shaft, 1034-adjustable sprocket, 104-installation rod, 105-adapter rod, 106-vibrator, 200-machine body, 201-plate body, 202-baffle, 203-blocking edge, 204-slag discharge channel Road, 300-shovel bucket, 400-belt conveyor mechanism, 401-drive roller, 402-axle rod, 403-conveyor belt, 404-guide trough, 500-water washing slag removal mechanism, 501-transverse beam, 502-connecting ear, 503-continuous water washing part, 504-oblique flushing part, 505-adapter plate, 506-water inlet pipe, 600-hydraulic adjustment mechanism, 601-first adjusting cylinder, 602-second adjusting cylinder, 700-driving mechanism, 701-first transmission sprocket, 702-second transmission sprocket, 703-tensioning sprocket, 704-vertical cylinder, 705-second transmission chain. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0019] The present invention discloses a water-washing type bridge track bed cleaning and screening device, such as Figure 1-13As shown, it includes a body 200, a form-adjusting excavation mechanism 100, a water-washing slag removal mechanism 500, a belt conveyor mechanism 400 and a hydraulic adjustment mechanism 600. Among them, the body 200 is installed on the frame, the water-washing slag removal mechanism 500 and the belt conveyor mechanism 400 are installed on the body 200 at intervals downward in the vertical direction, the form-adjusting excavation mechanism 100 is arranged at the feeding end of the belt conveyor mechanism 400, and the hydraulic adjustment mechanism 600 is arranged between the form-adjusting excavation mechanism 100 and the body 200. The present invention is provided with two driving mechanisms 700 between the form-adjusting excavation mechanism 100 and the belt conveyor mechanism 400, and the two driving mechanisms 700 act synchronously to drive the form-adjusting excavation mechanism 100 and the belt conveyor mechanism 400 to act synchronously, and the two driving mechanisms 700 are respectively arranged on both sides of the body 200. The working principle and advantage of the present invention are: the present invention installs the frame on the traveling vehicle, the traveling vehicle spans both sides of the track, and the traveling vehicle travels along the length direction of the track. The shape of the adjustable excavation mechanism 100 is adjusted according to the depth of excavation, and then the driving mechanism 700 is controlled to operate so as to drive the adjustable excavation mechanism 100 and the belt conveyor mechanism 400 to operate synchronously. The adjustable excavation mechanism 100 continuously excavates the roadbed, and the excavated gravel and the like are transported to the belt conveyor mechanism 400; in the process of continuous transportation of the gravel, the water-washing slag removal mechanism 500 washes down the fine gravel and mud and sand, and separates them from the large-sized gravel, and the large-sized gravel is transported back to the track. After the traveling vehicle leaves, the roadbed is vibrated and compacted by the vibrating equipment. The present invention adjusts the excavation angle of the adjustable excavation mechanism 100 through the hydraulic adjustment mechanism 600, reduces the difficulty of roadbed excavation, facilitates the effective transportation of gravel to the belt conveyor mechanism 400, and occupies less space in the whole process. In summary, the present invention can perform continuous cleaning and screening operations on the roadbed in a limited space, thereby improving the cleaning efficiency and effectively removing small-size gravel and mud and sand, etc., to ensure the safety of subsequent train driving on the bridge.

[0020] As a preferred embodiment of the present invention, Figure 3 , 4As shown, the adjustable excavation mechanism 100 includes a chain plate excavation unit 101, a mounting rod 104, two first transmission chains 102 and two adjustable drive units 103. Among them, the two first transmission chains 102 are both closed-loop structures, and the two first transmission chains 102 are respectively installed on both sides of the chain plate excavation unit 101, and the two adjustable drive units 103 are also respectively installed on both sides of the chain plate excavation unit 101. The mounting rod 104 is arranged in the chain plate excavation unit 101, and the ends of the two adjustable drive units 103 close to each other are respectively connected to the two ends of the mounting rod 104, and a vibrator 106 is installed on the mounting rod 104. The ends of the two adjustable drive units 103 away from each other are connected to the hydraulic adjustment mechanism 600. The working principle and advantages of this embodiment are: this embodiment adjusts the shape of the chain plate excavation unit 101 by controlling two adjustment drive units 103. The adjustment drive unit 103 can adjust it to a radial cross-section of a circular, elliptical, flat shape (similar to the shape of a crawler track), etc., and when the chain plate excavation unit 101 is in a flat shape, the hydraulic adjustment mechanism 600 is controlled to make the flat chain plate excavation unit 101 horizontal, vertical or inclined for excavating the roadbed. In this embodiment, the chain plate excavation unit 101 is adjusted in shape so that the chain plate excavation unit 101 can have sufficient excavation margin under the sleeper, and the excavation depth of the chain plate excavation unit 101 is close to the thickness of the roadbed, ensuring that the chain plate excavation unit 101 can dig the roadbed loose at one time and continuously during the travel of the traveling vehicle, so that most of the mud and sand adhering to the gravel can fall off, so that during the transportation of the gravel and mud and sand on the belt conveyor mechanism 400, the mud and sand and small-sized gravel can be washed and discharged by the pressure water from the water washing slag removal mechanism 500, so as to achieve the purpose of cleaning and screening. In addition, in this embodiment, the shape of the chain plate excavation unit 101 can be changed according to the hardness (hardening degree) of the roadbed, and the travel speed of the traveling vehicle can be adjusted at the same time, so that the chain plate excavation unit 101 can effectively and continuously dig the roadbed loose, so as to achieve the purpose of breaking the hardened layer of the roadbed. The form-adjusting driving unit 103 of this embodiment can not only adjust the form of the chain plate excavation unit 101, but the chain plate excavation unit 101 is also driven by the form-adjusting driving unit 103 to perform excavation operations, thereby achieving dual functions. When performing excavation operations, the vibrator 106 is turned on to make the chain plate excavation unit 101 vibrate while excavating, thereby promoting the rapid separation of mud and sand adhering to the gravel.

[0021] As a preferred embodiment of the present invention, Figure 4-6As shown, the chain plate excavation unit 101 includes a plurality of chain plate links 1011, which are pivotally connected in sequence to form a closed loop structure. The chain plate links 1011 are strip-shaped structures, and pivot ears are respectively constructed on both sides of the chain plate links 1011. The pivot ears of adjacent chain plate links 1011 close to each other are connected by a pivot rod, and the two ends of each chain plate link 1011 are respectively connected to two first transmission chains 102. In this embodiment, a plurality of assembly holes are opened on the chain plate links 1011, and these assembly holes are arranged at intervals along the transverse direction of the roadbed. At each assembly hole, a connecting sleeve 1012 is constructed to coincide with the axis of the assembly hole. A plurality of excavation teeth 1013 are installed on the chain plate links 1011, and each excavation tooth 1013 moves along the vertical line of the chain plate links 1011 and passes through the corresponding connecting sleeve 1012 and the assembly hole, thereby achieving the purpose of active connection between the excavation tooth 1013 and the chain plate links 1011. In this embodiment, a fixed plate 1014 is configured at one end of the excavation tooth 1013 close to the mounting rod 104, and a buffer spring 1015 is sleeved outside the excavation tooth 1013, and the two ends of the buffer spring 1015 are respectively fixedly connected to the fixed plate 1014 and the chain plate section 1011. The working principle and advantage of this embodiment are: when the chain plate excavation unit 101 of this embodiment is driven by the adjustment drive unit 103, the chain plate excavation unit 101 continuously moves along its closed loop form, and its movement mode is similar to the movement mode of the crawler, so that the excavation teeth 1013 on the chain plate section 1011 continuously excavate the roadbed. The principle of the digging teeth 1013 breaking the roadbed in this embodiment is that during the movement of the digging teeth 1013, the digging teeth 1013 cooperate with the vibration of the vibrator 106 so that the digging teeth 1013 extend into the gap between the gravel and the gravel, and the gravel is scratched when the digging teeth 1013 move along with the chain plate links 1011; and because the surface of the gravel is irregular, when the digging teeth 1013 contact and dig with the surface of the gravel, the vibrating digging teeth 1013 transmit the vibration force to the gravel, thereby accelerating the separation of mud and sand on the gravel; and after the digging teeth 1013 contact with the gravel, they are forced to retract a part, thereby protecting the digging teeth 1013 and avoiding excessive wear of the digging teeth 1013. Generally, when the excavating teeth 1013 are excavating the non-compacted parts of the ballast bed, the excavating teeth 1013 will not be subjected to large external forces, and the gravel can be excavated away from the ballast bed; when the excavating teeth 1013 are excavating the compacted layer of the ballast bed, the excavating teeth 1013 will retract a certain length according to their own force, which on the one hand avoids the excavating teeth 1013 from being subjected to large shear forces during the extension process, and on the other hand ensures that the excavating teeth 1013 perform progressive excavation of the compacted layer.When progressively excavating the compacted layer, the angle of the flat chain-plate excavation unit 101 is adjusted by the hydraulic adjustment mechanism 600, so that the chain-plate excavation unit 101 is tilted, and the upper end of the chain-plate excavation unit 101 is tilted upward and extends toward the traveling direction of the traveling vehicle, and the lower end of the chain-plate excavation unit 101 is close to the belt conveyor mechanism 400, thereby achieving the purpose of inclined excavation of the compacted layer by the chain-plate excavation unit 101, reducing the shear force of the excavation teeth 1013, thereby reducing the difficulty of excavation.

[0022] As a preferred embodiment of the present invention, Figure 7 As shown, a curved excavation portion 1016 is constructed at one end of the excavation tooth 1013 away from the buffer spring 1015. During the excavation process of the excavation tooth 1013, the excavation portion 1016 can efficiently excavate the gravel and the like from the roadbed. Moreover, when a larger gravel is stuck between the two excavation portions 1016, the gravel or the excavation portion 1016 is subjected to force, so that the excavation portion 1016 drives the excavation tooth 1013 to twist a certain angle. At this time, the buffer spring 1015 also twists at a corresponding angle, so that the gap between the two excavation portions 1016 becomes larger, causing the gravel to fall off; afterwards, under the action of the elastic torsional force of the buffer spring 1015, the two excavation portions 1016 gradually return to their original positions.

[0023] As a preferred embodiment of the present invention, Figure 8 As shown, the shape adjustment drive unit 103 includes a disc-shaped fixed seat 1031, four hydraulic cylinders 1032 and four shape adjustment sprockets 1034. The center of the disc-shaped fixed seat 1031 is connected to the end of the mounting rod 104, and the four hydraulic cylinders 1032 are evenly installed on the disc-shaped fixed seat 1031 along the circumference of the disc-shaped fixed seat 1031. Each hydraulic cylinder 1032 extends radially outward from the disc-shaped fixed seat 1031. A mounting shaft 1033 is rotatably connected to the cylinder rod of each hydraulic cylinder 1032. Each shape adjustment sprocket 1034 is installed on the corresponding mounting shaft 1033, and each shape adjustment sprocket 1034 is drivingly connected to the first transmission chain 102. The working principle and advantages of the present invention are as follows: in this embodiment, by adjusting the two symmetrical hydraulic cylinders 1032 to extend synchronously and adjusting the other pair of hydraulic cylinders 1032 to contract synchronously, the four shape-adjusting sprockets 1034 are supported on the inner side of the corresponding first transmission chain 102, and the first transmission chain 102 is shaped to achieve the purpose of adjusting the shape of the chain plate excavation unit 101; and in the adjustment process, it is necessary to first perform a synchronous extension action of a pair of hydraulic cylinders 1032, and then perform a synchronous contraction action of the other pair of hydraulic cylinders 1032, so as to avoid the first transmission chain 102 and the shape-adjusting sprocket 1034 from being separated.

[0024] As a preferred embodiment of the present invention, Fig. 9, 10 As shown, the belt conveyor mechanism 400 includes a conveyor belt 403 and two transmission rollers 401. The two transmission rollers 401 are arranged at intervals along the length direction of the roadbed, and each transmission roller 401 is coaxially connected with a shaft 402, and the two ends of the shaft 402 extend out of the two ends of the transmission roller 401, and the transmission roller 401 is rotationally connected to the machine body 200 through the shaft 402, and the two transmission rollers 401 are transmission-connected through the conveyor belt 403. In this embodiment, a shovel bucket 300 is arranged at one end of the belt conveyor mechanism 400 close to the form adjustment excavation mechanism 100, and the shovel bucket 300 is connected to the machine body 200. The working principle and advantages of this embodiment are: during the travel of the vehicle, the shovel bucket 300 moves forward with the machine body 200, and the gravel and the like are supplied to the conveyor belt 403 through the shovel bucket 300, and the conveyor belt 403 and the shovel bucket 300 are both located below the sleeper, and the height of the water-washing slag removal mechanism 500 is controlled so that it is also located below the sleeper; in general, the height of the ballast bed is at least 1.2m, which is sufficient to accommodate the belt conveyor mechanism 400 and the water-washing slag removal mechanism 500; in this way, the entire conveying and water-washing process can be completed at the bottom of the sleeper, thereby improving the cleaning efficiency. In this embodiment, another vibrator can be installed on the machine body 200 to promote the water-washing operation.

[0025] As a preferred embodiment of the present invention, Fig.10 As shown, a plurality of guide grooves 404 are uniformly constructed along the circumference of the outer peripheral surface of the conveyor belt 403, and the middle part of the guide groove 404 on the upper end surface of the conveyor belt 403 protrudes toward the form-adjusting excavation mechanism 100, and the two sides of the guide groove 404 extend obliquely to the two sides of the machine body 200 respectively; and the radius of the middle part of the driving roller 401 of this embodiment is greater than the radius of the two sides, that is, the radial length of the driving roller 401 decreases from the middle part to the two sides, and the height of the middle part of the conveyor belt 403 is higher than the height of the two sides. In this way, during the water washing process, small-sized gravel and mud and sand enter the guide groove 404, and gradually move to the two sides of the conveyor belt 403, and finally discharged from the two sides of the conveyor belt 403, so as to achieve the purpose of water washing and separation. In addition, during the whole process, a spray pipe can be set above the form-adjusting excavation mechanism 100, and cooperate with the water washing type slag removal mechanism 500 to achieve the purpose of dust reduction.

[0026] As a preferred embodiment of the present invention, Fig.10 , 11As shown in Figures 13, the machine body 200 includes two plate-like bodies 201 symmetrically arranged on both sides of the belt conveyor mechanism 400, and the two ends of each shaft 402 are rotatably connected to the two plate-like bodies 201, respectively. Each plate-like body 201 has a baffle 202 extending outward and upward, and a blocking edge 203 is constructed at the part of each baffle 202 close to the side edge of the conveyor belt 403. The end of the blocking edge 203 away from the baffle 202 is inclined downward and close to the edge of the conveyor belt 403. The blocking edge 203 extends from one end of the plate-like body 201 to the other end, and a slag discharge channel 204 is formed between the blocking edge 203, the corresponding plate-like body 201 and the corresponding side edge of the conveyor belt 403. In this embodiment, a plurality of slag discharge notches are evenly opened on the blocking edge 203 along its length direction, each slag discharge notch extends horizontally or extends obliquely along the conveying direction of the material, and each slag discharge notch is connected to the slag discharge channel 204. The slag discharge notch of this embodiment is used to supply washing water and small-sized crushed stones and mud and sand into the slag discharge channel 204, and to block large-sized crushed stones from the slag discharge channel 204, thereby achieving the purpose of cleaning. In addition, since the slag discharge notch can be set to extend obliquely along the conveying direction of the material, it avoids hindering the movement of large-sized crushed stones, so that the large-sized crushed stones can smoothly pass through the blocking edge 203 and be discharged from the discharging end of the belt conveyor mechanism 400.

[0027] As a preferred embodiment of the present invention, Figure 2 As shown, the driving mechanism 700 includes a first transmission sprocket 701, a second transmission sprocket 702, a tensioning sprocket 703, a vertical oil cylinder 704 and a second transmission chain 705, wherein the first transmission sprocket 701, the second transmission sprocket 702 and the tensioning sprocket 703 are all transmission-connected with the second transmission chain 705. The first transmission sprocket 701 and the second transmission sprocket 702 are respectively mounted on the ends of the shaft rod 402 and the mounting shaft 1033 which are close to each other on the same side, the vertical oil cylinder 704 is mounted on the machine body 200, and the oil cylinder rod of the vertical oil cylinder 704 is rotationally connected with the tensioning sprocket 703. A hydraulic motor or a driving motor is mounted on the machine body 200, and the output shaft of the hydraulic motor or the driving motor is coaxially connected with the end of one of the shaft rods 402. In this embodiment, the hydraulic motor or the driving motor is controlled to directly or indirectly drive the first transmission sprocket 701 to rotate, so that the belt conveyor mechanism 400 is activated, and the form-adjusting excavation mechanism 100 is activated under the action of the second transmission sprocket 702 and the tensioning sprocket 703, so as to achieve the purpose of excavating and conveying at the same time. In addition, when adjusting the form of the form-adjusting excavation mechanism 100, the vertical oil cylinder 704 is controlled to operate so that the tensioning sprocket 703 tensions the second transmission chain 705, so as to prevent the second transmission chain 705 from being loose and unable to realize the transmission function.

[0028] As a preferred embodiment of the present invention, Fig. 9 ,12 As shown, the water-washing type slag removal mechanism 500 includes a transverse beam 501 installed at the upper end of the machine body 200, and two continuous water-washing parts 503 are symmetrically installed on the transverse beam 501. The two continuous water-washing parts 503 are connected to each other at one end close to the adjustment excavation mechanism 100 and communicated with the water inlet pipe 506. The spacing between the two continuous water-washing parts 503 increases along the conveying direction of the belt conveyor mechanism 400, and the end of the continuous water-washing part 503 away from the transverse beam 501 is connected to the machine body 200 through an adapter plate 505. In this embodiment, an oblique flushing part 504 is constructed at the lower part of each continuous water-washing part 503, and the oblique flushing part 504 is inclined downward and extends outward. The lower end of the oblique flushing part 504 has a continuous flushing port, which extends along the length direction of the oblique flushing part 504 to both ends of the oblique flushing part 504, and the flushing port is communicated with the water inlet cavity constructed in the continuous water-washing part 503, and the water inlet pipe 506 is communicated with the water inlet cavity. The working principle and advantages of this embodiment are as follows: during the transportation of the crushed stones on the conveyor belt 403, the pressurized water from the oblique flushing part 504 is jetted out obliquely, and the crushed stones on the conveyor belt 403 are washed obliquely outward, thereby driving the small-sized crushed stones and mud and sand to gradually move to both sides of the conveyor belt 403; and because the spacing between the two continuous water washing parts 503 increases along the conveying direction of the belt conveyor mechanism 400, during the transportation of the conveyor belt 403, the two continuous water washing parts 503 continuously drive the small-sized crushed stones and mud and sand from the middle position of the conveyor belt 403 to both sides, so that the small-sized crushed stones and mud and sand are completely driven to both sides of the conveyor belt 403, and then get off the track, achieving the purpose of cleaning, and improving the cleaning effect. Compared with the vibrating screen cleaning method, water washing is convenient to operate, has a good cleaning effect, and avoids the occurrence of dust. Since the existing vibrating screen cleaning requires the crushed stones to be transferred out of the track, then cleaned, and then the large-size crushed stones after screening are backfilled, the operation is extremely troublesome, the engineering workload is large, and the efficiency is low.

[0029] As a preferred embodiment of the present invention, Figure 1 , 8As shown in Figures 1 and 12, the hydraulic adjustment mechanism 600 includes two adjustment components, which are respectively arranged on both sides of the adjustable excavation mechanism 100. The adjustment components include a first adjustment cylinder 601 and a second adjustment cylinder 602. One end of the first adjustment cylinder 601 is hinged to the transfer rod 105 installed on the disc-shaped fixing seat 1031, and the other end of the first adjustment cylinder 601 is hinged to the connecting ear 502 on the transverse beam 501. One end of the second adjustment cylinder 602 is hinged to the cylinder body of the first adjustment cylinder 601, and the other end of the second adjustment cylinder 602 is hinged to the frame. This embodiment realizes the adjustment of the position, angle, etc. of the adjustable excavation mechanism 100 by controlling the actions of the two first adjustment cylinders 601 and / or the second adjustment cylinder 602, thereby realizing that the adjustable excavation mechanism 100 can efficiently perform excavation operations on the roadbed.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A water-washing type bridge track bed cleaning equipment, characterized in that: It includes a machine body installed on a frame, on which a water-washing type slag removal mechanism and a belt conveyor mechanism are installed at intervals in the vertical direction downward, an adjustable excavation mechanism is arranged at the feeding end of the belt conveyor mechanism, a hydraulic adjustment mechanism is arranged between the adjustable excavation mechanism and the machine body, and two driving mechanisms for driving the adjustable excavation mechanism and the belt conveyor mechanism to move synchronously are arranged between the adjustable excavation mechanism and the belt conveyor mechanism, and the two driving mechanisms are arranged on both sides of the machine body.

2. The water-washing type bridge track bed cleaning equipment according to claim 1 is characterized in that: The adjustable excavation mechanism includes two closed-loop first transmission chains installed on both sides of the chain plate excavation unit, and adjustable drive units are respectively installed on both sides of the chain plate excavation unit. The ends of the two adjustable drive units that are close to each other are connected by a mounting rod arranged in the chain plate excavation unit, and a vibrator is installed on the mounting rod. The ends of the two adjustable drive units that are away from each other are connected to the hydraulic adjustment mechanism.

3. The water-washing type bridge track bed cleaning equipment according to claim 2 is characterized in that: The chain plate type excavation unit includes a plurality of chain plate links which are pivotally connected in sequence to form a closed loop structure, and a plurality of excavation teeth are arranged at intervals along the lateral direction of the roadbed on each of the chain plate links, and each of the excavation teeth moves through the chain plate link along a vertical line of the chain plate link, and a fixed plate is constructed at one end of the excavation tooth close to the mounting rod, and a buffer spring is mounted outside the excavation tooth, and the two ends of the buffer spring are respectively fixedly connected to the fixed plate and the chain plate link.

4. The water-washing type bridge track bed cleaning equipment according to claim 3 is characterized by: A curved excavating portion is constructed at one end of the excavating tooth away from the buffer spring, and a plurality of connecting sleeves are constructed on the chain plate section at intervals along the lateral direction of the roadbed, and each of the excavating teeth passes through a corresponding connecting sleeve.

5. The water-washing type bridge track bed cleaning equipment according to claim 2 is characterized by: The shape-adjusting drive unit includes a disc-shaped fixing seat connected to the end of a mounting rod, and four hydraulic cylinders are evenly installed on the disc-shaped fixing seat along its circumference. Each of the hydraulic cylinders extends radially outward along the disc-shaped fixing seat. A mounting shaft is rotatably connected to the cylinder rod of each hydraulic cylinder, and a shape-adjusting sprocket is installed on the mounting shaft. Each of the shape-adjusting sprockets is transmission-connected to the first transmission chain.

6. The water-washing type bridge track bed cleaning equipment according to claim 5 is characterized by: The belt conveyor mechanism includes two transmission rollers arranged at intervals along the length direction of the roadbed. Each transmission roller is rotatably connected to the machine body through an axle rod coaxially connected thereto. The two transmission rollers are connected through a conveyor belt transmission. A shovel bucket is provided at one end of the belt conveyor mechanism close to the adjusting excavation mechanism, and the shovel bucket is connected to the machine body.

7. The water-washing type bridge track bed cleaning equipment according to claim 6 is characterized by: A plurality of guide grooves are evenly constructed on the outer peripheral surface of the conveyor belt along its circumference. The middle of the guide groove on the upper end surface of the conveyor belt protrudes toward the adjustment excavation mechanism, and both sides of the guide groove extend obliquely to both sides of the machine body.

8. The water-washing type bridge track bed cleaning equipment according to claim 7 is characterized in that: The machine body includes two plate-like bodies symmetrically arranged on both sides of the belt conveyor mechanism, and the two ends of each of the shafts are rotatably connected to the two plate-like bodies respectively. Each plate-like body has a baffle extending outward and upward, and a blocking edge is constructed on the part of each baffle close to the side of the conveyor belt. The end of the blocking edge away from the baffle is inclined downward and close to the edge of the conveyor belt. The blocking edge extends from one end of the plate-like body to the other end, and a slag discharge channel is formed between the blocking edge, the corresponding plate-like body and the corresponding side of the conveyor belt. A plurality of slag discharge notches are evenly opened on the blocking edge along its length direction, and each of the slag discharge notches extends laterally or extends obliquely along the conveying direction of the material, and each slag discharge notch is connected to the slag discharge channel.

9. The water-washing type bridge track bed cleaning equipment according to claim 6, characterized in that: The driving mechanism includes a first transmission sprocket and a second transmission sprocket which are connected by a second transmission chain, the first transmission sprocket and the second transmission sprocket are respectively installed on the same side ends of a shaft rod and a mounting shaft which are close to each other, a vertical cylinder is installed on the machine body, a tensioning sprocket is rotatably installed on the cylinder rod of the vertical cylinder, the tensioning sprocket is connected by the second transmission chain, a hydraulic motor or a driving motor is installed on the machine body, and the output shaft of the hydraulic motor or the driving motor is coaxially connected to the end of one of the shaft rods.

10. The water-washing type bridge track bed cleaning equipment according to claim 1, characterized in that: The water-washing type slag removal mechanism includes a transverse beam installed on the upper end of the machine body, and two continuous water-washing parts are symmetrically installed on the transverse beam. The ends of the two continuous water-washing parts close to the adjustment excavation mechanism are interconnected and connected to the water inlet pipe. The spacing between the two continuous water-washing parts increases along the conveying direction of the belt conveyor mechanism. The end of the continuous water-washing part away from the transverse beam is connected to the machine body through a transfer plate. An oblique flushing portion that is inclined downward and extends outward is constructed at the lower part of each of the continuous water-washing parts. The lower end of the oblique flushing portion has a continuous flushing port, which extends along the length direction of the oblique flushing portion to both ends of the oblique flushing portion, and the flushing port is connected to the water inlet cavity constructed in the continuous water-washing part, and the water inlet pipe is connected to the water inlet cavity.

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