Slagging-off vehicle capable of replacing feeding hopper to work

Abstract

The utility model discloses a slagging-off vehicle capable of replacing a feeding hopper to work, which comprises a vehicle body, a telescopic arm device arranged on the vehicle body and a slagging-off head detachably arranged at one end of the telescopic arm device, and the telescopic arm device is arranged on the vehicle body in a lifting manner through a jacking mechanism. A space for the telescopic arm device to move is formed in the position, corresponding to the telescopic arm device, of the vehicle body, and the feeding hopper is detachably arranged on the supporting plate. According to the slagging-off vehicle, the vehicle body provides a lifting space for the telescopic arm device at the position of the front wheel, so that the weight of the whole vehicle is reduced, the cost is reduced, the first arm body can be basically lowered to the horizontal plane, a feeding hopper on the ground can be lifted, slagging-off and feeding can be achieved, and the two functions are achieved. The whole slagging-off vehicle is simple in structure, the rear wheels can be steered and driven, the front wheels only need to be braked and walk, the structure is light, and a lot of cost can be saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of engineering machinery, and particularly relates to a slag scraper vehicle capable of replacing a charging hopper to work. Background Art

[0002] At present, aluminum alloy materials are usually smelted in a furnace. The traditional smelting process is as follows: before smelting, materials need to be added to the furnace through a loading truck with a charging hopper, and during the smelting process, slag needs to be removed from the furnace through a slag removal truck with a slag removal shovel. The traditional smelting process usually requires the use of two types of engineering machinery, a loading truck and a slag removal truck. The cost of purchasing the two types of engineering machinery is high, which wastes manpower and material resources. Traditional slag removal trucks are usually equipped with a retractable three-section arm to control the retractable length of the slag removal head. However, due to the limited body structure of the traditional slag removal truck, only slag removal can be performed.

[0003] For example, a Chinese utility model patent with publication number "CN208292570U" ​​discloses a slag scraper truck with a liftable cab, comprising a vehicle body, a cab arranged on the vehicle body, a telescopic arm device arranged on the vehicle body, and a slag scraper head arranged on the telescopic arm device, the telescopic arm device is connected to the vehicle body through a composite lifting cylinder and a variable amplitude cylinder, the cab is installed on the vehicle body through a jacking mechanism, the jacking mechanism comprises a lower bracket, an upper bracket, a first support rod, a second support rod, a third support rod, a fourth support rod, a connecting rod and a driving cylinder for driving the connecting rod to rotate, the lower bracket is fixed to the vehicle body, and the cab is fixed to the upper bracket. After adopting the technical solution of the utility model, the cab can be raised and lowered by the jacking mechanism, thereby adjusting the field of view of the cab.

[0004] Although the slag scraper truck can achieve the raising and lowering of the cab through the jacking mechanism, it can only be used for slag scraping work due to its long arm and limited body. The charging hopper cannot be replaced for charging work. During smelting, materials can only be charged through the charging truck.

[0005] In view of this, the applicant conducted in-depth research on the above issues, which led to the present case. Utility Model Content

[0006] The utility model aims to provide a slag scraper vehicle which is easy to operate and can replace a charging hopper to carry out work, so that slag scraping or charging work can be realized on one vehicle.

[0007] In order to achieve the above object, the utility model adopts the following technical solution:

[0008] A slag scraper vehicle with a replaceable charging hopper for operation comprises a vehicle body, a telescopic arm device arranged on the vehicle body, and a detachable slag scraper head arranged at one end of the telescopic arm device, the telescopic arm device being detachably arranged on the vehicle body through a jacking mechanism, a movable space for lifting and lowering the telescopic arm device is provided in the middle part of the vehicle body corresponding to the position of the telescopic arm device, the telescopic arm device comprises a first arm body, a second arm body detachably arranged on the first arm body, and a third arm body detachably arranged in the second arm body, the second arm body being retractable along its length direction, the third arm body being retractable along its length direction, the first arm body being hingedly arranged with the jacking mechanism, a support plate being provided at one end of the first arm body away from the vehicle body, the charging hopper being detachably arranged on the support plate, openings for the third arm body to pass through being provided on the support plate and the charging hopper, a push plate being further provided on a side of the charging hopper close to the support plate, one end of the third arm body being detachably connected to the push plate through the openings of the support plate and the charging hopper.

[0009] Furthermore, the jacking mechanism is provided with two groups, and the two groups of jacking mechanisms are symmetrically arranged on the car body with the telescopic arm device as the center. The jacking mechanism includes a support frame fixed on the car body, an arch frame with one end hinged to the top of the support frame, a connecting frame with one end hinged to the side of the support frame close to the slag scraper head, and a jacking cylinder fixedly arranged on the car body, the other end of the arch frame is hinged to the first arm body, the other end of the connecting frame is hinged to the first arm body, and the output end of the jacking cylinder is hinged to the bottom of the arch frame.

[0010] Furthermore, a first hook for hanging a slag scraper head or a pushing plate is provided at one end of the third arm away from the vehicle body, and a second hook for hanging a charging hopper is provided at one side of the support plate away from the vehicle body.

[0011] Furthermore, a rear-wheel drive mechanism for steering or driving is provided at the bottom of the vehicle body, and the rear-wheel drive mechanism includes a drive axle and rear wheels arranged on both sides of the drive axle, and a slewing mechanism for controlling the rotation of the drive axle, the slewing mechanism is fixed to the bottom of the vehicle body, and the drive axle is fixed to the bottom of the slewing mechanism.

[0012] Furthermore, the second arm body is telescopically connected to the first arm body through a gear rack drive mechanism, and the gear rack drive mechanism includes racks symmetrically arranged on both sides of the second arm body and gears symmetrically arranged on the inner side of the first arm body, and drive motors for driving the gears to rotate are respectively arranged at positions corresponding to the two gears on the outer side of the first arm body.

[0013] Furthermore, driven gears are provided at positions on both sides of the first arm body corresponding to the racks, and the driven gears are rotatably provided on the first arm body.

[0014] Furthermore, the third arm body is telescopically connected to the second arm body via a telescopic oil cylinder, one end of the telescopic oil cylinder is fixed on the second arm body, and an output end of the telescopic oil cylinder is fixed on the third arm body.

[0015] Furthermore, horizontally arranged slide rails are provided on both sides of the feeding hopper, and slide seats slidably matched with the slide rails are fixedly provided on both sides of the push plate at positions corresponding to the slide rails.

[0016] By adopting the above-mentioned design scheme, the beneficial effects of the utility model are:

[0017] The utility model discloses a slag scraper vehicle with a replaceable charging hopper for working. The slag scraper head is detachably arranged on the third arm body, the charging hopper is detachably arranged on the first arm body, a telescopic arm device is detachably arranged on the vehicle body through a jacking mechanism, and a movable space for lifting the telescopic arm device is provided at the middle part of the vehicle body corresponding to the position of the telescopic arm device. When the charging hopper needs to be replaced for charging work, the slag scraper head is disassembled and replaced with the charging hopper, the first arm body is driven to be lifted and lowered through the jacking mechanism, and then the entire telescopic arm device is driven to be lifted and lowered, thereby driving the charging hopper to be lifted and lowered for charging work, and then the material in the charging hopper is pushed into the smelting through the pushing plate to complete the charging work.

[0018] Furthermore, since the first arm body is hingedly arranged on the vehicle body through the jacking mechanism, the first arm body only needs to retain a partial structure for the jacking mechanism to be hinged, and the first arm body does not need to be arranged to be the same length as the second arm body. Compared with the prior art, part of the structure of the first arm body is omitted, which saves space, reduces the weight of the first arm body, and reduces the manufacturing cost; at the same time, the weight reduction of the first arm body can also reduce the load on the gear rack drive mechanism and the telescopic cylinder, thereby extending the service life.

[0019] Furthermore, the second arm body adopts gear rack transmission, which has large bearing capacity and high stability and precision. Relying on the large thrust of the gear rack, it can push out heavy objects. The third arm body is pushed by a conventional telescopic cylinder. If the material on the hopper is too heavy, the second arm body with large bearing capacity can be controlled to extend, and the third arm body will not be extended to prevent damage caused by excessive load on the telescopic cylinder. If the material on the hopper is lighter, the third arm body can be controlled by the telescopic cylinder to extend to a farther position. The extension and retraction of the second arm body does not affect the telescopic pushing action of the third arm body.

[0020] Furthermore, the driving and steering of the vehicle body are arranged on the rear wheels, and only conventional braking devices need to be arranged on the front wheels. There is no need to arrange steering devices on the front wheels. The rear wheels can steer and drive, and the front wheels only need to brake and move. The structure is lightweight and a lot of costs can be saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a schematic diagram of the slag scraper head and the charging hopper being separated from the telescopic arm device in the slag scraper vehicle with a replaceable charging hopper for operation.

[0022] Figure 2 It is a schematic diagram of the telescopic arm device in the slag scraper vehicle with replaceable charging hopper driving the slag scraper head to extend.

[0023] Figure 3 This is a schematic diagram of a hopper installed on a support plate in a slag scraper vehicle with a replaceable hopper according to the utility model.

[0024] Figure 4 The utility model is a schematic diagram of the jacking mechanism in the slag scraper vehicle with replaceable charging hopper driving the telescopic arm device and the charging hopper to rise.

[0025] Figure 5 The utility model is a schematic diagram of the rear wheel drive mechanism of the slag scraper vehicle with replaceable charging hopper.

[0026] Figure 6 It is a schematic diagram of the telescopic arm device in the slag scraper vehicle with replaceable charging hopper according to the utility model, in which the structure of part of the first arm body is omitted, and the slag scraper head is separated from the third arm body.

[0027] In the figure:

[0028] 1- telescopic arm device; 10- vehicle body;

[0029] 101- horizontal bar;

[0030] 11-first arm body; 12-second arm body;

[0031] 13-third arm body; 14-support plate;

[0032] 15- rack; 16- driving gear;

[0033] 17-driving motor; 18-driven gear;

[0034] 111-support rod; 112-guide rod;

[0035] 131-first hook;

[0036] 141-second hook; 142-hanging rod;

[0037] 2-lifting mechanism; 20-slag removal head;

[0038] 201-first hanging hole; 21-support frame;

[0039] 22-arch frame; 23-connecting frame;

[0040] 24-lifting cylinder; 3-feeding hopper;

[0041] 31-push plate; 32-slide rail;

[0042] 33-sliding seat; 4-rear wheel driving mechanism;

[0043] 41-drive axle; 42-rear wheel;

[0044] 43-Slewing mechanism. DETAILED DESCRIPTION

[0045] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] like Figures 1 to 6 As shown, a slag scraper vehicle with a replaceable charging hopper for operation comprises a vehicle body 10, a telescopic arm device 1 arranged on the vehicle body 10, and a slag scraper head 20 detachably arranged at one end of the telescopic arm device 1 away from the vehicle body 10, the slag scraper head 20 can be removed and replaced with a charging hopper 3, a jacking mechanism 2 is arranged at a position of the vehicle body 10 corresponding to the telescopic arm device 1, the telescopic arm device 1 is arranged on the vehicle body 10 in a manner that it can be raised and lowered by the jacking mechanism 2, a space for the telescopic arm device 1 to move is provided at a position of the vehicle body 10 corresponding to the telescopic arm device 1, and specifically, the telescopic arm device 1 of the utility model is arranged on the vehicle body 10 The middle part of the vehicle body 10 is close to the front wheel 30, and accordingly, the middle part of the vehicle body 10 corresponds to the position of the telescopic arm device 1, and an activity space for the telescopic arm device 1 to be lifted and lowered is opened, that is, the middle part of the vehicle body 10 corresponds to the position of the telescopic arm device 1 and is hollowed out. The vehicle body 10 is located on both sides of the activity space. In order to facilitate the telescopic arm device 1 to drive the feeding hopper 3 to descend to a position close to the ground, the vehicle body 10 is only provided with a cross bar 101 at the bottom of the activity space to connect the vehicle bodies 10 on both sides, so as to provide a larger descending space for the lifting device 1, and the rotating shaft of the front wheel 30 of the slag scraper is arranged above the cross bar 101.

[0047] The telescopic arm device 1 includes a first arm body 11, a second arm body 12 which is telescopically arranged on the first arm body 11, and a third arm body 13 which is telescopically arranged in the second arm body 12. The second arm body 12 is telescopic along its length direction, and the third arm body 13 is telescopic along its length direction. A support plate 14 is provided at one end of the first arm body 11 away from the vehicle body 10, and the hopper 3 is detachably arranged on the support plate 14. Both the support plate 14 and the hopper 3 are provided with openings for the third arm body 13 to pass through. A push plate 31 is also provided on one side of the hopper 3 close to the support plate 14. One end of the third arm body 13 passes through the openings of the support plate 14 and the hopper 3 in turn and is detachably connected to the push plate 31. Specifically, one end of the third arm body 13 is provided with at least two first hooks 131 for the slag scraping head 20 or the push plate 31 to be buckled and hung. Accordingly, the slag scraping head 20 corresponds to the position of the first hook 131 A first hanging hole 201 is provided to be hooked and matched with the first hook 131, and a second hanging hole (not shown in the figure) is provided to be hooked and matched with the first hook 131 at a position of the push plate 31 corresponding to the first hook 131. The first hanging hole 201 has the same structure as the second hanging hole. At least two second hooks 141 for hooking the feeding hopper 3 are provided on the side of the support plate 14 away from the vehicle body 10. Correspondingly, a hanging rod 142 is provided to be hooked and matched with the second hook 141 at a position of the feeding hopper 3 corresponding to the second hook 141. The hanging rod 142 is fixedly arranged on the feeding hopper 3. In this embodiment, four first hooks 131 are provided on the third arm 13, and four second hooks 141 are provided on the support plate 14. The first hook 131 and the second hook 141 in this embodiment can both be conventional hooks for hooking accessories in the field. The specific shape is not limited here, as long as it can achieve the hooking effect.

[0048] Furthermore, horizontally arranged slide rails 32 are provided on both sides of the feeding hopper 3, and slide seats 33 slidably matched with the slide rails 32 are provided on both sides of the push plate 31 corresponding to the positions of the slide rails 32. Such an arrangement allows the push plate 31 to slide horizontally on the slide rails 32 through the slide seats 33. The slide rails 32 and the slide seats 33 can guide the push plate 31 to prevent the push plate 31 from tilting or shifting during the pushing process, affecting the pushing of materials.

[0049] In the utility model, two groups of lifting mechanisms 2 are provided, and the two groups of lifting mechanisms 2 are symmetrically arranged on both sides of the vehicle body 10 with the telescopic arm device 1 as the center. The lifting mechanism 2 includes a support frame 21 fixed on the vehicle body 10, an arch frame 22 with one end hinged to the top of the support frame 21, a connecting frame 23 with one end hinged to the support frame 21, and a lifting cylinder 24 fixedly arranged on the vehicle body 10, the other end of the arch frame 22 is hinged to the first arm body 11, and the other end of the connecting member 23 is hinged to the first arm body 11.

[0050] Specifically, the support frame 21 is arranged in the middle of the vehicle body 10, the first arm body 11 is arranged at one end of the vehicle body 10 close to the front wheel 30, the other end of the arch frame 22 is hingedly arranged at the upper part of the first arm body 11, and the other end of the connecting frame 23 is hingedly arranged at the lower part of the first arm body 11, thereby connecting and supporting the first arm body 11; Figure 6 As shown, the lower end of the first arm body 11 is rotatably connected to a plurality of support rods 111, which are arranged horizontally at intervals to guide the telescopic movement of the second arm body 12 and also support the second arm body 12. Both ends of the second arm body 12 extend out of the first arm body 11 respectively. Preferably, the utility model is provided with four support rods 111, which are arranged horizontally at intervals, and the second arm body 12 is arranged on the top of the support rods 111.

[0051] Preferably, Figure 6 As shown, a plurality of guide rods 112 are rotatably provided at the upper end of the first arm body 11, and the second arm body 12 is arranged at the bottom of the guide rods 112 and is located between the guide rods 112 and the support rods 111. Preferably, two guide rods 112 are provided in the utility model, and the guide rods 112 can guide the second arm body 12 and can also cooperate with the support rods 111 to limit the second arm body 12 to prevent the second arm body 12 from shifting up and down during movement; the output end of the lifting cylinder 24 is inclined upward toward the direction of the first arm body 11, and the output end of the lifting cylinder 24 is hingedly arranged at the bottom of the arch frame 22 close to the first arm body 11.

[0052] Since a movable space for lifting and lowering the telescopic arm device 1 is provided in the middle part of the vehicle body 10 corresponding to the position of the telescopic arm device 1, such an arrangement enables the extension and retraction of the lifting cylinder 24 to drive the lifting and lowering of the first arm body 11, and then drive the lifting and lowering of the entire telescopic arm device 1. The lifting cylinder 24 contracts to drive the feeding hopper 3 to descend to a position close to the ground for feeding. After the feeding is completed, the slag truck moves to the front of the furnace (not shown in the figure), and the lifting cylinder 24 extends to drive the feeding hopper 3 to rise and move into the furnace, and then controls the second arm body 12 or the third arm body 13 to drive the pushing plate 31 to extend to push the aluminum alloy material in the feeding hopper 3 into the furnace.

[0053] The utility model discloses a slag scraper vehicle capable of replacing a charging hopper to carry out work, such as Figure 1 and Figure 2 As shown, when the slag scraping head 20 is needed to be used for slag scraping, the hanging hole 132 on the slag scraping head 20 is hooked on the first hook 131, and the slag scraping head 20 is controlled to reciprocate for slag scraping by the telescopic arm device 1. When the feeding hopper 3 is needed to feed, the slag scraping head 20 is first disassembled, as shown in FIG. Figure 3 and Figure 4As shown, after the third arm 13 passes through the openings on the support plate 14 and the feeding hopper 3, the hanging rod 142 on the feeding hopper 3 is hooked on the second hook 141, and finally the hanging hole 132 on the pushing plate 31 is hooked on the first hook 131 to complete the installation of the feeding hopper 3, and then the feeding hopper 3 is controlled by the jacking mechanism 2 to move downward to a position close to the ground to add materials into the feeding hopper 3, and then the slag truck moves to the front of the furnace, the jacking mechanism 2 controls the feeding hopper 3 to rise to the height of the furnace, and then controls the second arm 12 or the third arm 13 to drive the pushing plate 31 to extend to push the aluminum alloy material in the feeding hopper 3 into the furnace to complete the feeding work.

[0054] Preferably, Figure 6 As shown, in the present invention, the second arm body 12 is telescopically connected to the first arm body 11 through a gear rack driving mechanism, and the gear rack driving mechanism includes a rack 15 symmetrically fixed on both sides of the second arm body 12 and a driving gear 16 symmetrically arranged on the inner side of the first arm body 11, and the two driving gears 16 are respectively meshed with the corresponding racks 15. The positions of the two driving gears 16 on the outer side of the first arm body 11 are respectively provided with driving motors 17 for driving the driving gears 16 to rotate. The driving motors 17 on both sides run synchronously, driving the driving gears 16 to rotate, thereby driving the rack 15 and the second arm body 12 to move; preferably, the positions of the two sides of the first arm body 11 corresponding to the racks 15 are also provided with driven gears 18, and the driven gears 18 are rotatably arranged on the first arm body 11. The driven gears 18 and the driving gears 16 are arranged to jointly drive the rack 31 to move, which can reduce the load of the driving gear 16, thereby improving the service life of the driving motor 17.

[0055] Preferably, the third arm body 13 is telescopically connected to the second arm body 12 through a telescopic cylinder (not shown in the figure), the telescopic cylinder is arranged in the third arm body 13, one end of the telescopic cylinder extends from the third arm body 13 and is fixed on the end of the second arm body 12 away from the slag scraper head 20, and the output end of the telescopic cylinder is fixed in the third arm body 13.

[0056] Since the first arm body 11 is hingedly arranged on the vehicle body 10 through the jacking mechanism 2, and a support rod 111 for supporting the second arm body 12 is provided in the first arm body 11, the first arm body 11 only needs to retain a partial structure for the jacking mechanism 2 to be hinged, and the first arm body 11 does not need to be arranged to be the same length as the second arm body 12. Compared with the prior art, part of the structure of the first arm body 11 is omitted, which saves space, reduces the weight of the first arm body 11, and reduces the manufacturing cost; at the same time, the weight reduction of the first arm body 11 can also reduce the load of the rack and pinion drive mechanism and the telescopic cylinder 14, thereby extending the service life.

[0057] The second arm body 12 adopts gear rack transmission, which has large bearing capacity and high stability and precision. Relying on the large thrust of the gear rack, it can push out heavy objects. The third arm body 13 is pushed by a conventional telescopic cylinder. If the aluminum alloy material on the feeding hopper 3 is too heavy, the second arm body 12 with large bearing capacity is controlled to drive the push plate 31 to extend and push the material into the furnace. The third arm body 13 is not extended to prevent the telescopic cylinder from being damaged due to excessive load. After the material on the feeding hopper 3 becomes less, the push plate 31 can be extended by the third arm body 13 to push out the remaining aluminum alloy. This can extend the service life of the telescopic cylinder. Two telescopic control modes are set so that the second arm body 12 and the third arm body 13 can perform telescopic actions independently, and the telescopic movement of the second arm body 12 does not affect the telescopic pushing action of the third arm body 13.

[0058] Preferably, Figure 5 As shown, a rear-wheel drive mechanism 4 for steering or driving is also provided at the bottom of the vehicle body 10, and the rear-wheel drive mechanism 4 includes a drive axle 41 and rear wheels 42 arranged on both sides of the drive axle 41, and a slewing mechanism 43 for controlling the rotation of the drive axle 41. The slewing mechanism 43 is fixedly arranged at the bottom of the vehicle body 10, and the drive axle 41 is fixedly arranged at the bottom of the slewing mechanism 43. Accordingly, the driving and steering of the vehicle body 10 are arranged on the rear wheels 42, and only conventional braking devices need to be arranged on the front wheels 30, and there is no need to arrange steering devices on the front wheels 30; the drive axle 41 of the utility model adopts a conventional drive axle structure in the field, as long as the driving effect can be achieved, and the slewing mechanism 43 adopts a conventional slewing mechanism in the field, as long as the rotation effect can be achieved, such as the slewing mechanism and drive axle disclosed in the Chinese utility model patent with publication number "CN220782237U" and name "Slag Scraper".

[0059] It should be noted that the slag truck of the present invention also includes a cab (not shown in the figure) arranged on the car body 10, and a main control end is provided in the cab, and the main control end is controlled and connected with the drive motor 17, the telescopic cylinder, the lifting cylinder 24, the rotating mechanism 43 and the drive axle 41. The main control end is used to control the operation of the drive motor 17, the telescopic cylinder, the lifting cylinder 24, the rotating mechanism 43 and the drive axle 41, and the main control end can adopt the conventional control method in the field.

[0060] Traditional slag scraper trucks can only scrape slag but not add materials due to the limited arm angle. In the slag scraper truck of the present invention, the vehicle body 10 provides a lifting and lowering space for the telescopic arm device 1 at the position of the front wheel 30, which not only reduces the weight of the vehicle and reduces costs, but also allows the first arm 11 to be lowered to a position close to the ground, and the feeding hopper 3 on the ground can be lifted, so that both slag scraping and material addition can be achieved. In addition, the overall structure of the slag scraper truck of the present invention is simple, the rear wheel 42 can be turned and driven, and the front wheel 30 only needs to brake and move, the structure is lightweight, and a lot of costs can also be saved.

[0061] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A slag removal vehicle with a replaceable hopper, characterized in that: The loader has a jacking mechanism, wherein the loader has a first arm, a second arm that is telescopically arranged on the first arm, and a third arm that is telescopically arranged in the second arm. The second arm is telescopically arranged in the length direction thereof, and the third arm is telescopically arranged in the length direction thereof. The first arm is hinged to the jacking mechanism, a support plate is provided at one end of the first arm away from the vehicle body, the hopper is detachably arranged on the support plate, the support plate and the hopper are both provided with openings for the third arm to pass through, a push plate is also provided on a side of the hopper close to the support plate, and one end of the third arm is detachably connected to the push plate through the openings of the support plate and the hopper.

2. A slag scraper truck with a replaceable hopper according to claim 1, characterized in that: The jacking mechanism is provided with two groups, and the two groups of jacking mechanisms are symmetrically arranged on the car body with the telescopic arm device as the center. The jacking mechanism includes a support frame fixed on the car body, an arch frame with one end hinged to the top of the support frame, a connecting frame with one end hinged to the side of the support frame close to the slag scraper head, and a jacking cylinder fixedly arranged on the car body, the other end of the arch frame is hinged to the first arm body, the other end of the connecting frame is hinged to the first arm body, and the output end of the jacking cylinder is hinged to the bottom of the arch frame.

3. A slag scraper truck with a replaceable charging hopper according to claim 1, characterized in that: The end of the third arm away from the vehicle body is provided with a first hook for the slag scraper head or the pusher plate to be hooked, and the side of the support plate away from the vehicle body is provided with a second hook for the charging hopper to be hooked.

4. A slag scraper truck with a replaceable charging hopper according to claim 1, characterized in that: The bottom of the vehicle body is also provided with a rear-wheel drive mechanism for steering or driving, and the rear-wheel drive mechanism includes a drive axle and rear wheels arranged on both sides of the drive axle and a slewing mechanism for controlling the rotation of the drive axle, the slewing mechanism is fixedly arranged at the bottom of the vehicle body, and the drive axle is fixedly arranged at the bottom of the slewing mechanism.

5. The slag scraper truck with replaceable hopper according to claim 1, characterized in that: The second arm body is telescopically connected to the first arm body through a gear rack driving mechanism. The gear rack driving mechanism includes racks symmetrically arranged on both sides of the second arm body and a driving gear symmetrically arranged on the inner side of the first arm body. The outer side of the first arm body is respectively provided with driving motors for driving the gears to rotate at positions corresponding to the two driving gears.

6. A slag scraper truck with a replaceable charging hopper according to claim 5, characterized in that: Driven gears are also provided at positions on both sides of the first arm body corresponding to the racks, and the driven gears are rotatably arranged on the first arm body.

7. The slag scraper truck with a replaceable charging hopper according to claim 1, characterized in that: The third arm body is telescopically connected to the second arm body through a telescopic oil cylinder, one end of the telescopic oil cylinder is fixed on the second arm body, and the output end of the telescopic oil cylinder is fixed on the third arm body.

8. The slag scraper truck with a replaceable charging hopper according to claim 1, characterized in that: Horizontally arranged slide rails are also provided on both sides of the feeding hopper, and slide seats slidably matched with the slide rails are fixedly provided at positions corresponding to the slide rails on both sides of the push plate.

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