CN220486590U

CN220486590U - Ridging cofferdam car for port ore yard

Info

Publication number: CN220486590U
Application number: CN202320900041.0U
Authority: CN
Inventors: 宋彦波; 张涛; 侯伟; 王佳佳; 胡波; 张庆杨; 李业锋; 刘方; 房鲁韬
Original assignee: Rizhao Bolian Automation Technology Co ltd
Current assignee: Rizhao Bolian Automation Technology Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2024-02-13
Anticipated expiration: 2033-04-20

Abstract

The utility model discloses a ridging cofferdam car for a port ore yard, which belongs to the technical field of port machinery and comprises a frame, a movable chassis, a power device, a material taking device, a ridging device, a compacting device, an electric control system and a hydraulic station; the movable chassis is arranged at the bottom of the frame; the material taking device is arranged at the head part of the frame; the ridging device comprises a shaping plate and a blocking seat; the positioning plate is positioned below the feeding port of the material taking device; the baffle seat is fixedly connected with the frame; a rotary opening and closing door is arranged on one side of the baffle seat close to the feeding port; the compaction device comprises a compaction roller, a lifter and a supporting rod; the two ends of the rotating shaft of the compacting roller are respectively hinged with a supporting rod, and the two ends of the supporting rod are hinged with the frame; the lifting device is arranged above the supporting rod, and the bottom end of the lifting device is hinged to the hinged position of one end of the supporting rod and the frame. Compared with the prior art, the problems of high working strength and low working efficiency of the traditional scheme are solved.

Description

Ridging cofferdam car for port ore yard

Technical Field

The utility model relates to the technical field of port machinery, in particular to a ridging cofferdam car for a port ore yard.

Background

Traditional harbour ore yard, goods buttress cofferdam need the staff to utilize the spade to pile out by pure manual, and working strength is big, and work efficiency is low.

Disclosure of Invention

The utility model aims to provide a ridging cofferdam car for a port ore yard, which solves the problems that the existing port ore yard stack cofferdam needs manual work by labor staff, and has high working strength and low working efficiency.

The utility model provides a ridging cofferdam vehicle for a harbor ore yard, which comprises a frame, a movable chassis, a power device, a material taking device, a ridging device, a compacting device, an electric control system and a hydraulic station, wherein the movable chassis is arranged on the frame; the movable chassis is arranged at the bottom of the frame; the material taking device is arranged at the head part of the frame; the ridging device comprises a shaping plate and a blocking seat; the positioning plate is positioned below the feeding port of the material taking device; the baffle seat is fixedly arranged above the shaping plate and is positioned at one side of the feeding port, which is deviated to the tail part of the frame; the baffle seat is fixedly connected with the frame; a rotary opening and closing door is arranged on one side of the baffle seat close to the feeding port; the compaction device comprises a compaction roller, a lifter and a supporting rod; the compaction roller is arranged on one side of the blocking seat, which is deviated to the tail part of the frame, and the working cross section of the compaction roller corresponds to the shaping surface of the shaping plate; the two ends of the rotating shaft of the compacting roller are respectively hinged with a supporting rod, and the two ends of the supporting rod are hinged with the frame; the lifter is arranged above the supporting rod, and the bottom end of the lifter is hinged at the hinge position of one end of the supporting rod and the frame; the electric control system comprises a controller, a contact switch and a remote controller; the contact switch is arranged in the baffle seat and is electrically connected with the controller; the remote controller is in wireless connection with the controller; the hydraulic station is mechanically connected with the power device; the hydraulic station is respectively in transmission fit with the rotating shafts of the movable chassis, the material taking device and the compacting roller; the controller is electrically connected with the hydraulic station.

Further, travelling wheels are respectively arranged on two sides of the frame of the mobile chassis, and a first hydraulic motor and a second hydraulic motor are respectively arranged on the travelling wheels on two sides of the frame; the material taking device comprises a stirring cage, a material taking plate, a hollow spiral blade and a third hydraulic motor; the stirring end extends out of one side of the frame; a feeding port is formed in one side of the tail part of the stirring cage, which is deviated to the tail part of the frame; the material taking plate is arranged at the head end of the stirring cage, and a material inlet is formed in one side, which is deviated to the head part of the frame, of the head part of the material taking plate; the hollow spiral blade is arranged in the inner cavity of the stirring cage, the third hydraulic motor is arranged at the tail end of the stirring cage, and the output end of the third hydraulic motor is mechanically connected with the hollow spiral blade; a transmission mechanism is arranged between the rotating shaft of the compaction roller and the travelling wheel on one side of the movable chassis; the hydraulic station is respectively connected with the first hydraulic motor, the second hydraulic motor and the third hydraulic motor through oil paths; the controller is connected with the first hydraulic motor, the second hydraulic motor and the third hydraulic motor through electromagnetic valves respectively.

Further, the lifter comprises a base, a telescopic screw rod, a buffer spring and a rotating handle; the base is positioned above the support rod, and one end of the base is hinged at the hinge position of one end of the support rod and the frame; the telescopic screw rod is arranged at one end of the base far away from the supporting rod, and one end of the telescopic screw rod is in threaded fit and fixed with the base; one end of the telescopic lead screw, which is far away from the base, passes through the hack lever at the upper end of the frame and extends out to the upper part of the frame; the buffer spring is sleeved outside the telescopic screw rod and is arranged between the base and the hack lever at the upper end of the frame; the rotating handle is arranged at one end of the telescopic lead screw extending out of the frame.

The utility model provides a ridging cofferdam car for a harbor ore yard, which is designed with a frame, a movable chassis, a power device, a material taking device, a ridging device, a compacting device, an electric control system and a hydraulic station.

The movable chassis adopts crawler wheels, so that the vehicle can adapt to severe ground, and the crawler wheels on two sides of the frame are respectively provided with a first hydraulic motor and a second hydraulic motor which are hydraulically controlled, so that the advancing and retreating of the vehicle can be controlled, and the steering of the vehicle can be controlled through the differential speed between the crawler wheels on two sides.

The material taking device comprises a stirring cage, a material taking plate, a hollow spiral blade, a lifter and a third hydraulic motor; during operation, the material taking plate is stretched into the goods stack by operating the vehicle, and the ores in the goods stack are conveyed into the ridging device through the stirring cage by utilizing the hollow spiral blade to serve as filling materials; the hollow spiral blade is provided with a third hydraulic motor which is hydraulically controlled, so that the working rotation speed of the hollow spiral blade can be controlled according to actual conditions; wherein, the feeding plate adopts screw-thread fit to fix with stirring the cage to the feeding plate design has the connecting hole that is the interval distribution, stirs the cage in addition and has designed the riser, and the user can be according to the actual conditions of buttress, for example buttress one side part lacks the material, is used for adjusting the angle of stretching out of stirring the cage through the manual adjustment feeding plate and the manual operation riser of stretching out of stirring cage one end, reaches the feeding plate and inserts the buttress purpose of getting the material.

The ridging device comprises a shaping plate and a blocking seat; the sizing plate is designed according to the size of the cofferdam to be actually needed, and the filler conveyed from the material taking device falls into the sizing plate for sizing and is piled into the cofferdam shape to be actually needed.

The compaction device comprises a compaction roller, a lifter and a scraping plate; the compacting roller is used for compacting the filler in the shaping plate, is in transmission connection with the crawler-type wheel on one side of the frame, and controls the rotating speed of the compacting roller through the rotating speed of the crawler-type wheel in transmission connection with the compacting roller; the lifter adopts the telescopic screw rod, when the vehicle does not need to operate, a user manually operates the telescopic screw rod to lift the compaction roller off the ground, and at the moment, the vehicle is moved, so that the compaction roller is prevented from being blocked by ground broken stone, and the stability of the vehicle during non-operation movement can be ensured; the scraping plate is used for scraping off the miscellaneous materials adhered on the surface of the compacting roller when the vehicle is in operation, so that the miscellaneous materials are prevented from damaging the cofferdam molding.

The electric control system comprises a controller, a contact switch and a remote controller, wherein the contact switch is arranged in a blocking seat of the ridging device, when the filler conveyed by the material taking device is higher than the shaping plate, the filler inclines towards the blocking seat, when the filler pushes an opening and closing door of the blocking seat to trigger the contact switch, the contact switch feeds back a signal to the controller, the controller controls a vehicle to advance and drives a compaction roller to carry out compaction operation on the filler.

In summary, the ridging cofferdam car capable of being remotely controlled manually is designed, compared with the traditional manual operation, human resources are liberated, the working efficiency is improved, and the problems of high working strength and low working efficiency in the traditional scheme are effectively solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and,

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a rear view of the present utility model;

FIG. 4 is a left side view of the present utility model;

FIG. 5 is a right side view of the present utility model;

FIG. 6 is a top view of the present utility model;

fig. 7 is a bottom view of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a frame; 2. a mobile chassis; 3. a power device; 4. a material taking device; 41. stirring cage; 411. a feeding port; 42. a material taking plate; 421. a connection hole; 422. a feed inlet; 43. hollow helical blades; 44. a lifter; 441. a lifting plate; 442. a bolt; 45. a third hydraulic motor; 5. a ridging device; 51. shaping plates; 52. a blocking seat; 6. a compacting device; 61. a compacting roller; 62. a lifter; 621. a base; 622. a telescopic screw rod; 623. a buffer spring; 624. a rotating handle; 63. a scraping plate; 64. a support rod; 65. a transmission rod; 7. an electric control system; 71. a controller; 72. a contact switch; 73. a remote controller; 8. and a hydraulic station.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides a ridging cofferdam car for a harbor ore yard, which comprises a frame 1, a movable chassis 2, a power device 3, a material taking device 4, a ridging device 5, a compacting device 6, an electric control system 7 and a hydraulic station 8.

The movable chassis 2 is arranged at the bottom of the frame 1; the mobile chassis 2 comprises two sets of crawler wheels, a first hydraulic motor and a second hydraulic motor; the two groups of crawler wheels are respectively arranged on two sides of the frame 1 and are respectively and mechanically connected with the first hydraulic motor and the second hydraulic motor; the crawler wheels have the advantage of being suitable for severe ground; the crawler wheels on two sides of the frame 1 are respectively controlled by the first hydraulic motor and the second hydraulic motor, so that a user can control the forward and backward movement of the vehicle and can control the steering of the vehicle through the differential speed between the crawler wheels on two sides.

The material taking device 4 is arranged at the head part of the frame 1; the material taking device 4 comprises a stirring cage 41, a material taking plate 42, a hollow spiral blade 43, a lifter 44 and a third hydraulic motor 45; the stirring cage 41 is a U-shaped long cage with an opening at the upper part; the tail end of the stirring cage 41 is hinged to the frame 1, and the head end of the stirring cage 41 extends out of one side of the frame 1; a feeding port 411 is formed in one side of the tail of the stirring cage 41, which is deviated to the tail of the frame 1; the material taking plate 42 is a U-shaped long cage which is attached to the inner cavity of the stirring cage 41 and is opened at the upper part, and the material taking plate 42 is arranged in the inner cavity of the head part of the stirring cage 41; the upper edge of the tail part of the material taking plate 42 is provided with connecting holes 421 which are distributed at intervals, and the material taking plate 42 is in threaded fit and fixed with the stirring cage 41 at the connecting holes 421; a feed inlet 422 is formed in one side, which is deviated from the head of the frame 1, of the head of the material taking plate 42; the hollow helical blade 43 is arranged in the inner cavity of the stirring cage 41; the third hydraulic motor 45 is fixed at the tail end of the stirring cage 41 in a threaded fit manner, and the output end of the third hydraulic motor 45 is mechanically connected with the hollow spiral blade 43; the lifter 44 is disposed at one side of the frame 1 near the head end of the stirring cage 41, and the lifter 44 includes a pair of lifter plates 441 and a bolt 442 having a nut at one end; lifting plates 441 are welded on the frame 1, and the lifting plates 441 are respectively positioned at two sides of the stirring cage 41; a travel groove is formed in the middle of the lifting plate 441; the bolt 442 passes through the travel groove of the lifting plate 441 and is fixed to the lifting plate 441 at one side of the lifting plate 441 in cooperation with the nut; the bolt 442 is located at the upper middle part of the stirring cage 41 and is welded with the upper two edges of the stirring cage 41.

The material taking plate 42 extends into the stack to take out ore in the stack as the filling of the cofferdam; the function of the feed port 422 is to facilitate entry of ore from the feed port 422 into the take-off plate 42 as the vehicle advances; the hollow spiral blade 43 is driven by the third hydraulic motor 45 to convey the ore in the material taking plate 42 to the ridging device 5 from the material feeding port 411 through the stirring cage 41; the material taking plate 42 is in threaded fit with the stirring cage 41 by utilizing connecting holes 421 at different positions, so that the extension length of the material taking plate 42 at one end of the stirring cage 41 can be adjusted; the position of the stirring cage 41 in the travel groove of the lifting plate 441 is adjusted through the bolt 442, and one end of the stirring cage 41 is matched with the position to be hinged, so that the extending angle of the stirring cage 41 can be adjusted; the function of adjusting the extension length of the material taking plate 42 at one end of the stirring cage 41 and the extension angle of the stirring cage 41 is to enable a user to adjust the material taking plate 42 to a position capable of being inserted into a stack according to the actual situation of the stack, such as the situation that one side of the stack is partially lacked, so as to achieve the purpose of material taking; and, the connection between the material taking plate 42 and the stirring cage 41 and the connection between the bolts 442 and the lifting plate 441 are all in threaded fit, so that the structure is simple and stable, and the manual operation is directly performed.

The ridging device 5 is arranged below the tail part of the stirring cage 41; the ridging device 5 comprises a shaping plate 51 and a baffle seat 52; the shaping plate 51 is composed of two baffles, and is designed according to the appearance and the size of two sides of the cofferdam; the shaping plate 51 carries out preliminary shaping on the filler conveyed to the inside of the material taking device 4; two baffles of the shaping plate 51 are symmetrically distributed on two sides below the feeding port 411; the baffle seat 52 is welded above the shaping plate 51, the baffle seat 52 is positioned at one side of the feeding port 411, which is biased towards the tail part of the frame 1, and the baffle seat 52 is in threaded fit and fixed with the frame 1; the baffle seat 52 is provided with a single-leaf rotary opening and closing door at one side close to the feeding port 411.

The compaction device 6 is arranged on one side of the ridging device 5, which is biased towards the tail part of the frame 1; the compacting device 6 comprises a compacting roller 61, a lifter 62, a scraping plate 63, a supporting rod 64 and a transmission rod 65; the compaction roller 61 is arranged on one side of the baffle seat 52, which is biased towards the tail part of the frame 1, the working cross section of the compaction roller 61 is designed according to the actual size of the cofferdam, and the working cross section of the compaction roller 61 corresponds to the shaping surface position of the shaping plate 51; the compacting roller 61 is used for compacting and reinforcing the filler after preliminary shaping by the ridging device 5.

The two ends of the rotating shaft of the compacting roller 61 are respectively hinged with a supporting rod 64, and the rotating shaft is positioned at the position where the supporting rod 64 deviates from the head of the frame 1; one end of the support rod 64, which is biased towards the head of the frame 1, is hinged with the frame 1; one end of the support rod 64, which is biased towards the tail part of the frame 1, is hinged with a transmission rod 65; two ends of the transmission rod 65 are fixed on the frame 1 through bearing seats; the lifter 62 includes a base 621, a telescopic screw 622, a buffer spring 623, and a knob 624; the base 621 is positioned above the support rod 64, and one end of the base 621 is hinged at the hinge position of the support rod 64 and the frame 1; the telescopic lead screw 622 is arranged at one end of the base 621 far away from the support rod 64, and one end of the telescopic lead screw 622 is in threaded fit with the base 621; one end of the telescopic lead screw 622, which is far away from the base 621, passes through the hack lever at the upper end of the frame 1 and extends out to the upper part of the frame 1; the buffer spring 623 is sleeved outside the telescopic lead screw 622 and is arranged between the base 621 and the hack lever at the upper end of the frame 1; the turning handle 624 is arranged at one end of the telescopic lead screw 622 extending out of the frame 1.

The compacting roller 61 is hinged on the frame 1 through support rods 64 on both sides of the compacting roller 61, and the height of the compacting roller 61 is freely adjusted through a lifter 62; in operation of the vehicle, the compacting roller 61 is in the working position, in which it is in contact with the ground; in the non-working state of the vehicle, the compaction roller 61 is lifted by operating the lifter 62, the compaction roller 61 is separated from the ground, at the moment, the compaction roller 61 can be prevented from being blocked by ground broken stone, and the stability of the vehicle in the non-working state is ensured; and, the lifter 62 adopts the telescopic lead screw 622 to be matched with the rotating handle 624, and only needs to manually rotate the rotating handle 624, so as to control the telescopic lead screw 622 to extend or retract, further drive the compacting roller 61 to carry out height adjustment, and the operation is simple.

Belt drives are respectively arranged between the rotating shafts and the transmission rods 65 on two sides of the compaction roller 61, and are positioned on the outer sides of the support rods 64; one end of the transmission rod 65 extends into the crawler belt of the movable chassis 2, and a transmission wheel is arranged at one end of the transmission rod and matched with the crawler belt; the compacting roller 61 is in transmission connection with one set of crawler wheels of the mobile chassis 2, and the compacting roller 61 is driven to rotate by the power of the wheels. The scraping plate 63 is arranged between the baffle seat 52 and the compaction roller 61, and the scraping plate 63 is in threaded fit and fixed with the frame 1; one end of the scraping plate 63, which is close to the compaction roller 61, is attached to the surface of the compaction roller 61; the scraping plate 63 is used for scraping off the impurities adhered to the surface of the compacting roller 61 in the vehicle working state, so as to prevent the impurities from damaging the cofferdam forming.

The electric control system 7 comprises a controller 71, a contact switch 72 and a remote controller 73; the contact switch 72 is fixed in the baffle seat 52 in a threaded fit manner, and the contact switch 72 is electrically connected with the controller 71; the remote controller 73 is connected with the controller 71 wirelessly; the hydraulic station 8 is arranged above the frame 1, and the controller 71 is arranged on one side of the hydraulic station 8; the hydraulic station 8 includes a hydraulic pump and a tank; the hydraulic pump is connected with an oil way of the oil tank; the hydraulic pump is respectively connected with oil paths of the first hydraulic motor, the second hydraulic motor and the third hydraulic motor 45; the power plant 3 comprises a diesel engine block; the diesel engine unit is mechanically connected with the hydraulic pump; the controller 71 is connected with the first hydraulic motor, the second hydraulic motor and the third hydraulic motor 45 through electromagnetic valves respectively; the controller 71 is electrically connected to the diesel engine block.

The contact switch 72 has the function that when the filler conveyed by the material taking device 4 is higher than the shaping plate 51, the filler inclines to the baffle seat 52, and when the filler pushes the opening and closing door of the baffle seat 52 to trigger the contact switch 72, the contact switch 72 feeds back a signal to the controller 71, and the controller 71 controls the vehicle to advance and drives the compaction roller 61 to carry out compaction operation on the filler.

The utility model adopts a hydraulic system to control the movable chassis 2 and the material taking device 4, and can operate the forward and backward of the vehicle by controlling the first hydraulic motor and the second hydraulic motor, and can also operate the steering of the vehicle by utilizing the differential speed between crawler wheels at two sides; the working rotation speed of the hollow spiral blade 43 can be operated by controlling the third hydraulic motor 45, so that the material taking speed of the material taking device 4 is controlled; since a belt drive is provided between the compacting roller 61 in the compacting device 6 and the crawler wheels on one side of the mobile chassis 2, the compacting roller 61 is driven to rotate during operation of the respective crawler wheels.

The utility model also designs a remote controller 73 which can operate the vehicle by adopting a manual remote control technology, is convenient for personnel to operate the vehicle, and avoids the operation risk of personnel.

Specific use and action of the embodiment:

firstly, the vehicle is in the working position, the material taking plate 42 is inserted into the stack, and the compacting roller 61 is contacted with the ground; then, the third hydraulic motor 45 is started to control the hollow spiral blade 43 to operate, the hollow spiral blade 43 conveys ores falling into the material taking plate 42 through the stirring cage 41, the ores are conveyed into the shaping plate 51 from the feeding hole 411 to serve as fillers, and the fillers are initially shaped in the shaping plate 51; when the filler is accumulated to a height exceeding the height of the shaping plate 51, the filler inclines towards the blocking seat 52, the filler pushes the opening and closing door of the blocking seat 52 until the opening and closing door triggers the contact switch 72, the contact switch 72 feeds back signals to the controller 71, the controller 71 sends signals to the first hydraulic motor and the second hydraulic motor, the vehicle is started to advance, the compaction roller 61 is driven by the moving chassis 2 and rotates simultaneously in the vehicle advancing process, and the compaction roller 61 rotates and moves simultaneously to compact and fix the filler; in the process of the vehicle advancing, the filler higher than the shaping plate 51 is pushed to the ground, at the moment, the opening and closing door of the baffle seat 52 loses extrusion force reset, the vehicle stops advancing after reset, and then when the opening and closing door is pressed again to trigger the contact switch 72, the vehicle continues to advance to compact the filler, so that the repeated actions are performed, and the operation of the goods stack cofferdam can be completed in the whole process.

If the material taking plate 42 is not inserted into the stack due to a shortage of the stack, and the material cannot be taken, an operator manually dismounts the installation position of the reloading material taking plate 42 on the stirring cage 41, adjusts the extending length of the material taking plate 42 at one end of the stirring cage 41, manually operates the bolt 442, changes the position of the bolt 442 on the travel slot of the lifting plate 441, and further adjusts the extending angle of the stirring cage 41, and by the two adjustment schemes and the combination thereof, the material taking plate 42 is adjusted to the position extending into the stack, so that the material can be continuously taken for operation.

When the vehicle is in the process of advancing, an operator can remotely control and adjust the flow of the first hydraulic motor and the second hydraulic motor, and the difference value of crawler wheels on two sides of the movable chassis 2 is utilized to change the advancing angle of the vehicle, so that the purposes of vehicle route correction and vehicle steering are achieved.

Claims

1. The ridging cofferdam car for the harbor ore yard is characterized by comprising a frame (1), a movable chassis (2), a power device (3), a material taking device (4), a ridging device (5), a compacting device (6), an electric control system (7) and a hydraulic station (8); the movable chassis (2) is arranged at the bottom of the frame (1); the material taking device (4) is arranged at the head part of the frame (1);

the ridging device (5) comprises a shaping plate (51) and a baffle seat (52); the shaping plate (51) is positioned below a feeding port (411) of the material taking device (4); the baffle seat (52) is fixedly arranged above the shaping plate (51) and is positioned at one side of the feeding port (411) which is deviated to the tail part of the frame (1); the baffle seat (52) is fixedly connected with the frame (1); a rotary opening and closing door is arranged on one side of the baffle seat (52) close to the feeding port (411);

the compaction device (6) comprises a compaction roller (61), a lifter (62) and a supporting rod (64); the compaction roller (61) is arranged at one side of the blocking seat (52) which is biased towards the tail part of the frame (1), and the working cross section of the compaction roller (61) corresponds to the shaping surface of the shaping plate (51); two ends of a rotating shaft of the compaction roller (61) are respectively hinged with a supporting rod (64), and two ends of the supporting rod (64) are hinged with the frame (1); the lifter (62) is arranged above the supporting rod (64), and the bottom end of the lifter (62) is hinged at the hinge position of one end of the supporting rod (64) and the frame (1);

the electric control system (7) comprises a controller (71), a contact switch (72) and a remote controller (73); the contact switch (72) is arranged in the baffle seat (52), and the contact switch (72) is electrically connected with the controller (71); the remote controller (73) is in wireless connection with the controller (71); the hydraulic station (8) is mechanically connected with the power device (3); the hydraulic station (8) is respectively in transmission fit with the rotating shafts of the movable chassis (2), the material taking device (4) and the compaction roller (61); the controller (71) is electrically connected to the hydraulic station (8).

2. The ridging cofferdam car for a port ore yard as claimed in claim 1, wherein the mobile chassis (2) is provided with travelling wheels on both sides of the frame (1), and the travelling wheels on both sides are provided with a first hydraulic motor and a second hydraulic motor, respectively;

the material taking device (4) comprises a stirring cage (41), a material taking plate (42), a hollow spiral blade (43) and a third hydraulic motor (45); the head end of the stirring cage (41) extends out of one side of the frame (1); a feeding port (411) is arranged at one side of the tail part of the stirring cage (41) which is deviated to the tail part of the frame (1); the material taking plate (42) is arranged at the head end of the stirring cage (41), and a material inlet (422) is formed in one side of the head part of the material taking plate (42), which is deviated to the head part of the frame (1); the hollow spiral blade (43) is arranged in the inner cavity of the stirring cage (41), the third hydraulic motor (45) is arranged at the tail end of the stirring cage (41), and the output end of the third hydraulic motor (45) is mechanically connected with the hollow spiral blade (43);

a transmission mechanism is arranged between the rotating shaft of the compaction roller (61) and the travelling wheel on one side of the movable chassis (2); the hydraulic station (8) is respectively connected with oil ways of the first hydraulic motor, the second hydraulic motor and the third hydraulic motor (45); the controller (71) is connected with the first hydraulic motor, the second hydraulic motor and the third hydraulic motor (45) through electromagnetic valves respectively.

3. The ridging cofferdam car for a harbor ore yard of claim 1, wherein said lifter (62) comprises a base (621), a telescopic screw (622), a buffer spring (623) and a knob (624); the base (621) is positioned above the supporting rod (64), and one end of the base (621) is hinged at the hinge position of one end of the supporting rod (64) and the frame (1); the telescopic lead screw (622) is arranged at one end of the base (621) far away from the supporting rod (64), and one end of the telescopic lead screw (622) is in threaded fit with the base (621); one end of the telescopic lead screw (622) far away from the base (621) penetrates through a hack lever at the upper end of the frame (1) to extend out of the frame (1); the buffer spring (623) is sleeved outside the telescopic lead screw (622) and is arranged between the base (621) and the hack lever at the upper end of the frame (1); the rotating handle (624) is arranged at one end of the telescopic lead screw (622) extending out of the frame (1).