A material truck and its operation method

Abstract

An embodiment of the present application provides a material truck and an operation method thereof. The material truck includes: a vehicle frame; a hopper disposed above the vehicle frame; a material conveying mechanism placed on the vehicle frame; a movable assembly located between the hopper and the material conveying mechanism and respectively connected to the hopper and the material conveying mechanism; wherein the movable assembly is used to drive the material conveying mechanism to move longitudinally on the vehicle frame so that the material conveying mechanism can extend and retract relative to the vehicle frame, and is also used to drive the extended material conveying mechanism to lift and lower in the vertical direction. The embodiment of the present application solves the problem that the material conveying mechanism of the traditional material truck extends out of the vehicle frame both in the working state and the non-working state, resulting in complex transportation of the material truck.

Description

Technical Field

[0001] This application relates to the technical field of railway engineering vehicles, and specifically, to a material vehicle and an operation method thereof. Background Art

[0002] Currently, for the material vehicles widely used on railways, their throwing belts extend out of the vehicle frame in both the working state and the non-working state, resulting in a relatively large structure of the material vehicle, which is inconvenient for running on the track.

[0003] Therefore, the throwing belts of traditional material vehicles extend out of the vehicle frame in both the working state and the non-working state, resulting in a relatively large structure of the material vehicle, which is a technical problem that needs to be urgently solved by those skilled in the art.

[0004] The above information disclosed in the background art is only used to enhance the understanding of the background of this application, and thus it may contain information on prior art that is not known to those of ordinary skill in the art. Summary of the Invention

[0005] Embodiments of this application provide a material vehicle and an operation method thereof to solve the technical problem that the material conveying mechanism of traditional material vehicles extends out of the vehicle frame in both the working state and the non-working state, resulting in a relatively large structure of the material vehicle.

[0006] According to the first aspect of the embodiments of this application, there is provided a material vehicle, including:

[0007] A vehicle frame;

[0008] A hopper, arranged above the vehicle frame;

[0009] A material conveying mechanism, placed on the vehicle frame;

[0010] A movable component, located between the hopper and the material conveying mechanism, and respectively connected to the hopper and the material conveying mechanism; wherein, the movable component is used to drive the material conveying mechanism to move longitudinally on the vehicle frame so that the material conveying mechanism can extend out of and retract relative to the vehicle frame, and is also used to drive the extended material conveying mechanism to lift and lower in the vertical direction.

[0011] According to the second aspect of the embodiments of this application, there is provided an operation method of a material vehicle, including the following steps:

[0012] The material conveying mechanism moves longitudinally so that the material conveying mechanism extends out of the vehicle frame;

[0013] When the throwing direction of the ballast is consistent with the longitudinal direction, the material conveying mechanism is lifted, and the hopper is lifted upward around the hopper support so that the rear part of the material conveying mechanism is lifted upward;

[0014] When the throwing direction of the ballast material forms a preset angle with the longitudinal direction, the following steps are included:

[0015] First, lift the hopper upward around the hopper support so that the rear part of the material conveying mechanism tilts upward; then rotate the material conveying mechanism so that the material conveying mechanism forms a certain angle with the longitudinal direction.

[0016] Or first rotate the material conveying mechanism so that the material conveying mechanism forms a certain angle with the longitudinal direction; then tilt the hopper upward around the hopper support so that the rear part of the material conveying mechanism tilts upward.

[0017] Due to the adoption of the above technical solutions in the embodiments of the present application, the following technical effects are achieved:

[0018] The hopper, as a basic structural member, is the installation foundation of the movable components. The movable components are installed between the hopper and the material conveying mechanism. On the one hand, the space between the hopper and the material conveying mechanism is effectively utilized, making the structure of the material vehicle compact and capable of being applicable to working environments with small spaces. On the other hand, when the material vehicle needs to perform ballast material throwing operations, it can drive the material conveying mechanism to extend and lift for ballast material throwing; when not performing throwing operations, it can drive the material conveying mechanism to descend and retract relative to the vehicle frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0020] Figure 1 is a schematic diagram of the material vehicle according to the embodiment of the present application;

[0021] Figure 2 is Figure 1 a schematic diagram of the throwing belt conveying mechanism of the shown material vehicle extending relative to the vehicle frame;

[0022] Figure 3 is Figure 1 a schematic diagram of the throwing belt conveying mechanism of the shown material vehicle extending and lifting relative to the vehicle frame;

[0023] Figure 4 is Figure 1 a schematic diagram of the throwing belt conveying mechanism of the shown material vehicle extending, lifting and rotating relative to the vehicle frame;

[0024] Figure 5 is Figure 1 a partial schematic diagram of the shown material vehicle;

[0025] Figure 6 The Figure 5 side view shown in;

[0026] Figure 7 The Figure 5 top view shown in;

[0027] Figure 8 The Figure 7 A - A cross - sectional view shown in;

[0028] Figure 9 The Figure 8 B - B cross - sectional view shown in;

[0029] Figure 10 The Figure 5 schematic diagram of the throwing belt transmission mechanism of the material cart shown in.

[0030] Reference numerals:

[0031] 110 vehicle frame, 120 storage and transportation box, 130 hopper support, 140 hopper fixing frame,;

[0032] 200 hopper,

[0033] 300 longitudinal movement mechanism, 310 throwing belt seat, 320 longitudinal movement driving device, 331 longitudinal movement output gear, 332 longitudinal movement rack, 341 rear roller, 342 rear guide rail, 351 inner roller, 352 outer guide rail, 353 inner guide wheel, 361 retracted position locking plate, 362 working position locking plate, 363 locking pin,

[0034] 400 throwing belt transmission mechanism,

[0035] 500 throwing belt,

[0036] 600 lifting mechanism,

[0037] 710 inner ring of the rotating device, 720 rolling elements of the rotating device, 730 outer gear ring of the rotating device, 740 rotation driving device. Detailed implementation manners

[0038] In order to make the technical solutions and advantages in the embodiments of the present application clearer and more understandable, the following further details the exemplary embodiments of the present application with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than an exhaustive list of all embodiments. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0039] Embodiment 1

[0040] As Figure 1 , Figure 2 ,Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown in Figure 7 , the material cart of the embodiment of the present application includes:

[0041] A frame 110;

[0042] A hopper 200, arranged above the frame 110;

[0043] A throwing belt conveyor mechanism 400, placed on the frame 110;

[0044] A movable component, located between the hopper and the throwing belt conveyor mechanism, and respectively connected to the hopper and the throwing belt conveyor mechanism; wherein, the movable component is used to drive the throwing belt conveyor mechanism to move longitudinally on the frame so that the throwing belt conveyor mechanism can extend and retract relative to the frame, and is also used to drive the extended throwing belt conveyor mechanism to lift and lower in the vertical direction;

[0045] A throwing belt 500, installed on the throwing belt conveyor mechanism 400, and the throwing belt conveyor mechanism 400 is used to convey the throwing belt 500.

[0046] In the material truck according to the embodiment of the present application, the hopper is arranged above the vehicle frame, that is, the vehicle frame is the installation basis of the hopper, and the belt conveyor mechanism is placed on the vehicle frame. The movable assembly is located between the hopper and the belt conveyor mechanism and is respectively connected to the hopper and the belt conveyor mechanism, that is, the movable assembly is installed between the hopper and the belt conveyor mechanism, effectively utilizing the space between the hopper and the belt conveyor mechanism, making the structure of the material truck compact. The hopper is the installation basis of the movable assembly and is a basic structural member, bearing the weight of the entire movable assembly. Since the belt is installed on the belt conveyor mechanism, in this way, when the movable assembly drives the belt conveyor mechanism to move longitudinally on the vehicle frame so that the belt conveyor mechanism extends and retracts relative to the vehicle frame, the belt also moves longitudinally on the vehicle frame and extends and retracts relative to the vehicle frame. In this way, when the material truck needs to perform ballast spreading work, the belt and the belt conveyor mechanism can extend and lift relative to the vehicle frame, and the belt performs the spreading work; when the material truck does not need to perform ballast spreading operation, the belt and the belt conveyor mechanism can descend and retract relative to the vehicle frame. In the material truck according to the embodiment of the present application, the hopper, as a basic structural member, is the installation basis of the movable assembly, and the movable assembly is installed between the hopper and the belt conveyor mechanism. On the one hand, it effectively utilizes the space between the hopper and the belt conveyor mechanism, making the structure of the material truck compact and capable of being applied to a working environment with a small space. On the other hand, when the material truck needs to perform ballast spreading operation, it drives the belt conveyor mechanism and the belt to extend and lift for ballast spreading; when not performing the spreading operation, it drives the belt conveyor mechanism and the belt to descend and retract relative to the vehicle frame.

[0047] During implementation, the movable assembly is further configured to drive the extended and lifted belt conveyor mechanism to rotate and swing in the lateral direction.

[0048] When the preset angle is formed between the spreading direction of the ballast and the longitudinal direction, the movable assembly drives the extended and lifted belt conveyor mechanism to rotate in the lateral direction to reach the preset angle, realizing the ballast spreading operation; after the ballast spreading operation is completed, the movable assembly drives the extended, lifted and rotated belt conveyor mechanism to swing in the lateral direction, swing back and then descend, and descend and then retract after descending.

[0049] During implementation, the movable assembly includes:

[0050] The longitudinal movement mechanism 300 is located between the hopper 200 and the belt conveyor mechanism 400 and is respectively connected to the hopper 200 and the belt conveyor mechanism 400; wherein, the longitudinal movement mechanism 300 can drive the belt conveyor mechanism 400 to move longitudinally on the vehicle frame 110 so that the belt conveyor mechanism 400 extends and retracts relative to the vehicle frame 110.

[0051] The longitudinal movement mechanism is located between the hopper and the throwing belt conveyor mechanism and is connected to the hopper and the throwing belt conveyor mechanism respectively, that is, the longitudinal movement mechanism is installed between the hopper and the throwing belt conveyor mechanism, effectively utilizing the space between the hopper and the throwing belt conveyor mechanism, making the structure of the material vehicle compact. The hopper is the installation foundation of the longitudinal movement mechanism, which is a basic structural component and bears the weight of the entire longitudinal movement mechanism. Since the throwing belt is installed on the throwing belt conveyor mechanism, in this way, when the longitudinal movement mechanism drives the throwing belt conveyor mechanism to move longitudinally on the vehicle frame and the throwing belt conveyor mechanism extends out of the vehicle frame, the throwing belt also moves longitudinally on the vehicle frame and extends out and retracts relative to the vehicle frame. Thus, when the material vehicle needs to perform ballast throwing work, the throwing belt and the throwing belt conveyor mechanism can extend relative to the vehicle frame, and the throwing belt performs the throwing work; when the material vehicle does not need to perform ballast throwing operation, the throwing belt and the throwing belt conveyor mechanism can retract relative to the vehicle frame. In the material vehicle of the embodiment of the present application, the hopper is used as a basic structural component and is the installation foundation of the longitudinal movement mechanism. The longitudinal movement mechanism is installed between the hopper and the throwing belt conveyor mechanism. On the one hand, it effectively utilizes the space between the hopper and the throwing belt conveyor mechanism, making the structure of the material vehicle compact and suitable for working environments with small space. On the other hand, when the material vehicle needs to perform ballast throwing operation, it can drive the throwing belt conveyor mechanism and the throwing belt to extend out of the vehicle frame for ballast throwing; when not performing the throwing operation, it can drive the throwing belt conveyor mechanism and the throwing belt to retract relative to the vehicle frame.

[0052] Specifically, the longitudinal direction is the traveling direction of the material vehicle, and the direction perpendicular to the traveling direction of the material vehicle is the transverse direction.

[0053] During implementation, as Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 shown, the longitudinal movement mechanism includes:

[0054] An inverted U-shaped throwing belt seat 310, the transverse part of the throwing belt seat 310 is installed at the lower end of the hopper 200; wherein, the transverse part of the throwing belt seat 310 has a through hole of the throwing belt seat, and the lower discharge port of the hopper 200 is communicated with the through hole of the throwing belt seat;

[0055] Two longitudinal movement driving devices 320 are relatively fixed on the outer sides of the two vertical parts of the throwing belt seat, and the output shafts of the longitudinal movement driving devices 320 extend into the space between the two vertical parts of the throwing belt seat 310;

[0056] Two longitudinal movement output gears 331, one longitudinal movement output gear 331 is installed on the output shaft of one longitudinal movement driving device 320;

[0057] Two longitudinal moving racks 332 are respectively fixed on both sides of the belt throwing and conveying mechanism 400, and the longitudinal moving racks 332 are engaged with the longitudinal moving output gears 331;

[0058] Wherein, the output shafts of the two longitudinal moving driving devices 320 rotate synchronously. Through the transmission of the longitudinal moving output gears 331 and the longitudinal moving racks 332, the belt throwing and conveying mechanism 400 is driven to move longitudinally on the vehicle frame 110.

[0059] The transverse part of the belt throwing seat is installed at the lower end of the hopper, and the lower discharge port of the hopper is communicated with the through hole of the belt throwing seat. In this way, the ballast in the hopper can fall onto the belt of the belt throwing and conveying mechanism through the lower discharge port of the hopper and the through hole of the belt throwing seat, and the materials are conveyed and scattered through the belt throwing. In order to realize the longitudinal movement of the belt throwing and conveying mechanism and the belt throwing, one longitudinal moving output gear is installed on the output shaft of one longitudinal moving driving device. Two longitudinal moving racks are respectively fixed on both sides of the belt throwing and conveying mechanism, and the longitudinal moving racks are engaged with the longitudinal moving output gears. In this way, the two longitudinal moving driving devices rotate synchronously. Through the transmission of the longitudinal moving output gears and the longitudinal moving racks, the belt throwing and conveying mechanism is driven to move longitudinally on the vehicle frame. In this way, the longitudinal movement of the belt throwing and conveying mechanism is realized.

[0060] Specifically, as Figure 8 shown, in the structure of the inverted U-shaped belt throwing seat 310, the size of the inverted U-shaped opening of the belt throwing seat 310 is matched with the width of the belt throwing and conveying mechanism, that is, the transverse dimension of the belt throwing seat is determined by the transverse dimensions of the belt throwing and the belt throwing and conveying mechanism.

[0061] For a working environment with a small space, a material vehicle with a relatively small belt throwing and belt throwing and conveying mechanism in the transverse direction is selected.

[0062] Specifically, the longitudinal moving output gear is used to synchronously transmit the torque output by the longitudinal moving driving device.

[0063] The transmission of the movement between the longitudinal moving driving device and the belt throwing and conveying mechanism is realized through the cooperation of the longitudinal moving output gear and the longitudinal moving rack, that is, the cooperation of the gear and the rack for transmission enables the movement to be transmitted smoothly.

[0064] Specifically, the longitudinal moving racks are fixed on both sides of the belt throwing and conveying mechanism by bolts.

[0065] The longitudinal moving racks can be conveniently fixed by bolts.

[0066] During implementation, as Figure 6 and Figure 10 shown, the longitudinal moving mechanism further includes:

[0067] Two rear rollers 341 are oppositely arranged at the outer bottom of the belt-throwing conveying mechanism 400 and away from the belt-throwing seat 310, and the rear rollers 341 are used to support the belt-throwing conveying mechanism 400;

[0068] Two rear guide rails 342 are fixed on the vehicle frame 110 and respectively carry the two rear rollers 341;

[0069] Wherein, when the belt-throwing conveying mechanism 400 moves in the longitudinal direction, the rear rollers 341 move along the rear guide rails 342.

[0070] When the belt-throwing conveying mechanism does not move, the rear rollers play a supporting role for the belt-throwing conveying mechanism; when the belt-throwing conveying mechanism moves, the rear rollers roll along the rear guide rails, the rear rollers play a supporting role for the belt-throwing conveying mechanism, and at the same time the friction force is small, so that the wear of the longitudinal movement output gear and the longitudinal movement rack is small.

[0071] In implementation, as Figure 5 , Figure 6 and Figure 9 shown, the longitudinal movement driving device 320 is located in the middle of the vertical part of the belt-throwing seat 310.

[0072] In this way, the belt-throwing seat is a symmetric structure relative to the position where the longitudinal movement driving device is located, and the structure is symmetric, so that the force is more balanced.

[0073] In implementation, as Figure 8 , Figure 9 and Figure 10 shown, the longitudinal movement mechanism further includes:

[0074] Two pairs of inner rollers 351, each pair of the inner rollers 351 are oppositely arranged inside the two vertical parts of the belt-throwing seat 310, the two pairs of inner rollers 351 are symmetrically arranged relative to the longitudinal movement driving device 320, and the position of the inner rollers 351 is higher than that of the longitudinal movement driving device 320;

[0075] Two outer guide rails 352 are respectively fixed on the two outer sides of the belt-throwing conveying mechanism 400, and the two inner rollers 351 are respectively located at the two outer guide rails 352;

[0076] Wherein, the outer guide rails 352 and the inner rollers 351 cooperate to limit the longitudinal movement of the belt-throwing conveying mechanism in the radial direction of the inner rollers.

[0077] The position of the inner roller is higher than that of the longitudinal movement driving device, avoiding interference between the longitudinal movement rack and the outer guide rail. In this way, the rear support of the belt throwing and conveying mechanism is realized by the rear roller and the rear guide rail, and the load bearing of the front part of the belt throwing and conveying mechanism in the vertical direction is realized by the inner roller and the outer guide rail, protecting the longitudinal movement output gear and the longitudinal movement rack. The cooperation mode of the outer guide rail and the inner roller restricts the longitudinal movement of the belt throwing and conveying mechanism in the radial direction of the inner roller, i.e., the vertical direction, by the outer guide rail. In this way, the movement of the belt throwing and conveying mechanism in the vertical direction is restricted, reducing the occurrence of deviation in the vertical direction.

[0078] During implementation, as Figure 9 shown, the longitudinal movement mechanism further includes:

[0079] Two inner guide wheels 353, the two inner guide wheels 353 are relatively arranged inside the two vertical parts of the belt throwing seat 310, and the position of the inner guide wheels 353 is the same as the height of the inner roller 351; the axial direction of the inner guide wheels 353 is perpendicular to the axial direction of the side roller 351;

[0080] The two inner guide wheels 353 are respectively located at the two outer guide rails 352, and the inner guide wheels 353 cooperate with the inner bottom surface of the outer guide rails 352 to limit the longitudinal movement of the belt throwing and conveying mechanism 400 in the axial direction of the inner roller 351.

[0081] When the belt throwing and conveying mechanism moves longitudinally above the vehicle frame, the inner guide wheels roll on the inner bottom surface of the outer guide rails. The cooperation mode of the outer guide rails and the inner guide wheels restricts the longitudinal movement of the belt throwing and conveying mechanism in the axial direction of the inner roller, i.e., the transverse direction, by the outer guide rails. In this way, the inner roller and the inner guide wheels cooperate with the outer guide rails together to realize the limit of the longitudinal movement direction of the belt throwing and conveying mechanism.

[0082] During implementation, as Figure 5 , Figure 6 and Figure 10 shown, the outer guide rail 352 is an outer guide rail 352 with a cross-section of [ shape, and the profile of the inner roller 351 contacts the inner profile of the upper and lower walls of the outer guide rail 352;

[0083] The cross-section of the profile of the inner roller 351 is a conical surface, and the inner roller 351 can roll inside the outer guide rail 352, enabling the belt throwing and conveying mechanism 400 to obtain a good centering effect when moving longitudinally in the belt throwing seat.

[0084] The upper and lower side walls of the outer guide rail define the inner roller in the radial direction of the inner roller. The bottom wall between the upper and lower walls of the outer guide rail contacts the outer peripheral surface of the inner guide wheel. The bottom wall of the outer guide rail defines the inner guide wheel in the axial wire release direction of the inner roller. In this way, the inner roller and the inner guide wheel roll smoothly within the outer guide rail, realizing smooth movement in the longitudinal movement direction of the tape throwing and conveying mechanism.

[0085] During implementation, the two vertical portions of the tape throwing seat respectively have through tape throwing seat through holes;

[0086] Such as Figure 5 , Figure 8 and Figure 10 As shown, the longitudinal movement mechanism further includes:

[0087] A pair of retracted position locking plates 361, relatively fixed on the tape throwing and conveying mechanism 400. The retracted position locking plates 361 have retracted position locking holes;

[0088] A pair of working position locking plates 362, relatively fixed on the tape throwing and conveying mechanism 400, located behind the retracted position locking plates 361. The working position locking plates 362 have working position locking holes;

[0089] Two locking pins 363, respectively located at the two tape throwing seat through holes;

[0090] Two locking driving devices, fixed on the tape throwing seat, respectively used to drive the two locking pins to move along the two tape throwing seat through holes;

[0091] Among them, when the tape throwing and conveying mechanism is in the retracted position, the retracted position locking holes and the tape throwing seat through holes coincide, and the locking pins penetrate into the retracted position locking holes to lock the position of the tape throwing and conveying mechanism; when the tape throwing and conveying mechanism needs to move longitudinally, the locking driving device drives the locking pins to withdraw from the retracted position locking holes; when the tape throwing and conveying mechanism moves longitudinally to the position where the working position locking holes and the tape throwing seat through holes coincide, the locking driving device drives the locking pins to penetrate into the working position locking holes to lock the position of the tape throwing and conveying mechanism.

[0092] The through hole of the belt throwing seat, the retraction position locking hole, the working position locking plate, the locking pin, and the locking driving device are matched in such a way that when the longitudinal movement structure moves to a preset working position in the longitudinal direction, that is, when the working position locking hole coincides with the through hole of the belt throwing seat, the locking pin can pass through the through hole of the belt throwing seat and penetrate into the working position locking hole, so as to lock the position of the belt throwing transmission mechanism relative to the belt throwing seat. By means of the retraction position locking plate and the working position locking plate, the limit positions of the belt throwing transmission mechanism during movement in the longitudinal direction are restricted, preventing the situation that the belt throwing transmission mechanism moves excessively in the longitudinal direction.

[0093] During implementation, as Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, the material truck further includes:

[0094] A storage and transportation box 120, which is fixed on the vehicle frame 110, and the hopper 200 is used to receive the ballast injected from the lower discharge port of the storage and transportation box 120;

[0095] A hopper support 130, which is fixed on the vehicle frame 110;

[0096] The movable assembly further includes:

[0097] A U-shaped hopper fixing frame 140, the end parts of the two side arms of the hopper fixing frame 140 are respectively rotatably connected to the hopper support 130, and the upper part of the hopper 200 is fixed inside the hopper fixing frame 140;

[0098] A lifting mechanism 600, the lower end of the lifting mechanism 600 is rotatably connected to the outside of the transverse arm of the hopper fixing frame 140, and the upper end of the lifting mechanism 600 is rotatably connected to the storage and transportation box 120;

[0099] A lifting driving device, which is used to drive the lifting mechanism to expand and contract in the vertical direction, driving the hopper to rotate downward and upward around the hopper support.

[0100] The hopper, on the one hand, is fixed inside the hopper fixing frame, and the hopper fixing frame is rotatably connected to the hopper support fixed on the vehicle frame. On the other hand, it is also rotatably connected to the storage and transportation box fixed on the vehicle frame through the lifting mechanism. In this way, when the lifting driving device drives the lifting mechanism to contract in the vertical direction, the whole hopper rotates upward around the hopper support and the side of the hopper connected to the lifting mechanism is lifted upward. When the lifting driving device drives the lifting mechanism to extend in the vertical direction, the whole hopper rotates downward around the hopper support and the side of the hopper connected to the lifting mechanism is lowered downward.

[0101] Specifically, the lifting mechanism is a telescopic oil cylinder. When the telescopic oil cylinder contracts upward, it drives the hopper and the throwing belt conveyor mechanism to rotate upward as a whole; when the telescopic oil cylinder extends downward, it drives the hopper and the throwing belt conveyor mechanism to rotate downward as a whole.

[0102] Specifically, the upper end and the lower end of the lifting mechanism are rotationally connected, and the rotational connection at the ends of the two side arms of the hopper fixing frame is achieved through hinges.

[0103] Specifically, when the ballast truck does not perform ballast throwing, the throwing belt conveyor mechanism is retracted to the retracted position. In the retracted position, the throwing belt conveyor mechanism is located between the storage and transportation box and the vehicle frame, and the rear support of the throwing belt conveyor mechanism is realized by the rear rollers and the rear guide rails. The front part of the throwing belt conveyor mechanism is connected through the longitudinal moving mechanism, so that when the throwing belt conveyor mechanism is in the retracted position, the installation of the throwing belt conveyor mechanism is stable, and the safety of the entire ballast truck is relatively high. That is, when the throwing belt conveyor mechanism is in the retracted position, there is no need to consider the problem of the throwing belt leaning against the throwing belt conveyor mechanism.

[0104] During implementation, as Figure 9 shown, the movable assembly further includes:

[0105] A rotating device, the inner ring 710 of the rotating device is fixed to the outside of the lower discharge port of the hopper 200, and the outer gear ring 730 of the rotating device is fixed to the transverse part of the throwing belt seat;

[0106] A rotation driving device 740, installed on the hopper fixing frame;

[0107] A rotation driving gear, installed on the output shaft of the rotation driving device 740 and meshing with the outer gear ring 730 of the rotating device;

[0108] Wherein, the output shaft of the rotation driving device 740 rotates, and through the transmission of the rotation driving gear and the outer gear ring 730 of the rotating device, it drives the outer gear ring 730 of the rotating device to rotate relative to the inner ring 710 of the rotating device, so that the throwing belt seat 310 can rotate relative to the lower discharge port of the hopper.

[0109] The inner ring and the outer gear ring of the rotating device are connected through the rolling elements 720 of the rotating device. In this way, the outer gear ring of the rotating device can rotate relative to the inner ring of the rotating device. The inner ring of the rotating device is fixed to the outside of the lower discharge port of the hopper, and the outer gear ring of the rotating device is fixed to the throwing belt seat. In this way, the throwing belt seat can rotate relative to the hopper under the drive of the rotation driving device. The output shaft of the rotation driving device rotates and is transmitted through the rotation driving gear and the outer gear ring of the rotating device, that is, through gear transmission, so that the throwing belt seat can rotate relative to the hopper, and further enables the entire throwing belt conveyor mechanism to rotate relative to the hopper.

[0110] Specifically, as Figure 9 shown, the outer gear ring 730 of the rotating device and the throwing belt seat 310 are fixed by bolts.

[0111] The method of fixing the outer gear ring of the rotating device and the throwing belt seat by bolts is simple and easy to implement, and the occupied space is also small.

[0112] In summary, for the material vehicle in the embodiment of the present application, the installation of the hopper is realized through the hopper bracket and the storage and transportation box fixed on the vehicle frame, and the installation of the hopper is relatively stable. As a basic structural member, the hopper is the installation foundation of the longitudinal movement mechanism, the rotating device and the lifting mechanism, and bears the weights of the longitudinal movement mechanism, the throwing belt transmission mechanism, the rotating device and the lifting mechanism, making the installation of the longitudinal movement mechanism, the rotating device and the lifting mechanism relatively stable. The longitudinal movement mechanism realizes the longitudinal movement of the throwing belt transmission mechanism, the rotating device realizes the rotation of the throwing belt transmission mechanism, and the lifting mechanism realizes the lifting of the throwing belt transmission mechanism, thereby realizing the longitudinal movement, rotation and lifting of the throwing belt.

[0113] Specifically, the longitudinal movement driving device, the rotation driving device and the lifting driving device adopt hydraulic motors. The hydraulic motors can withstand large impact vibrations and meet the requirements of the harsh operating environment of railway engineering machinery.

[0114] Specifically, for the operation method of the material vehicle in the embodiment of the present application, when in use,

[0115] Remove the locking screw buckle;

[0116] The locking mechanism installed on the throwing belt seat acts, the locking pin retracts, and the throwing belt transmission mechanism is unlocked;

[0117] The longitudinal movement mechanism acts to move the throwing belt transmission mechanism in the longitudinal direction, so that the throwing belt transmission mechanism extends out of the vehicle frame until the locking hole at the tail of the throwing belt transmission mechanism is aligned with the center of the locking pin;

[0118] The locking mechanism installed on the throwing belt seat acts, the locking pin extends out, and the throwing belt transmission mechanism is locked in the working position; then,

[0119] The longitudinal movement mechanism stops acting. When the throwing direction of the ballast is consistent with the longitudinal direction, the throwing belt transmission mechanism is lifted, and the whole hopper tilts upward around the hopper bracket, so that the rear part of the throwing belt transmission mechanism tilts upward and lifts by a certain angle;

[0120] When the throwing direction of the ballast forms a preset angle with the longitudinal direction, there are two implementation methods:

[0121] Method 1: First, lift the hopper upward around the hopper bracket, causing the rear part of the throwing belt conveyor mechanism to tilt upward; then rotate the throwing belt conveyor mechanism to make the throwing belt conveyor mechanism form a certain angle with the longitudinal direction.

[0122] Method 2: First, rotate the throwing belt conveyor mechanism to make the throwing belt conveyor mechanism form a certain angle with the longitudinal direction; then lift the hopper upward around the hopper bracket, causing the rear part of the throwing belt conveyor mechanism to tilt upward.

[0123] The telescopic movement process of the throwing belt conveyor mechanism is as follows:

[0124] Step S11: When throwing operation is required, the longitudinal movement driving device is started, driving the longitudinal movement output gear installed on its output shaft to rotate. The longitudinal movement output gear drives the longitudinal movement rack meshing with it to move in the operation direction. The throwing belt conveyor mechanism extends in the operation direction driven by the longitudinal movement rack at its lower part (meanwhile, the inner rollers on the throwing belt seat roll in the outer guide rails on both sides of the throwing belt, and the rear rollers at the rear part of the throwing belt conveyor mechanism roll on the rear guide rails.).

[0125] Step S12: When the working position locking plates welded on both sides of the rear part of the throwing belt conveyor mechanism move to align with the centers of the locking pins installed on both sides of the throwing belt seat, the longitudinal movement driving device stops rotating, and the throwing belt conveyor mechanism stops moving in the operation direction.

[0126] Step S13: The locking driving device installed on the throwing belt seat is started. The locking pin extends under the drive of the locking driving device and penetrates into the working position locking hole to lock the position of the throwing belt conveyor mechanism. The locking driving device maintains pressure, and the longitudinal position of the throwing belt conveyor mechanism is locked.

[0127] Step S14: The locking driving device installed on the throwing belt seat is started. The locking pin retracts to the unlocking position under the drive of the locking driving device. The locking driving device maintains pressure, and the longitudinal position of the throwing belt conveyor mechanism is unlocked.

[0128] Step S15: Start the longitudinal movement driving device, driving the longitudinal movement output gear installed on its output shaft to rotate, and then driving the longitudinal movement rack meshing with it to move in the opposite direction of the operation.

[0129] Step S16: When the working position locking plates welded on both sides of the head of the throwing belt conveyor mechanism move to align with the centers of the locking pins installed on both sides of the throwing belt seat, the longitudinal movement driving device stops rotating, the throwing belt conveyor mechanism stops moving in the opposite direction of the operation, and the longitudinal position of the throwing belt conveyor mechanism is locked.

[0130] Preferably, it is executed in the order of steps S11, S12, S13, S14, S15, and S16 in sequence.

[0131] The process of the rotating motion of the throwing belt conveyor mechanism is as follows:

[0132] Step S21: First, the extending action of the throwing belt conveyor mechanism should be executed to extend the throwing belt conveyor mechanism to the working position and lock it, that is, steps S11, S12, and S13 in the telescoping action of the throwing belt conveyor mechanism;

[0133] Step S22: The rotating drive device operates to drive the external gear ring of the rotating device to rotate through the rotating drive device, and then drives the throwing belt seat and the throwing belt conveyor mechanism to rotate a certain angle (within the range of ±90°), and the rotating drive device stops operating.

[0134] Step S23: The rotating drive device rotates in reverse to return the throwing belt conveyor mechanism to its original position, and the rotating drive device stops operating.

[0135] Preferably, it is executed in sequence according to steps S21, S22, and S23.

[0136] The process of the lifting motion of the throwing belt conveyor is as follows:

[0137] Step S31: First, the extending action of the throwing belt conveyor mechanism should be executed to extend the throwing belt conveyor mechanism to the working position and lock it, that is, steps S11, S12, and S13 in the telescoping action of the throwing belt conveyor;

[0138] Step S32: The lifting drive device operates to drive the hopper to rotate, and then drives the throwing belt seat and the throwing belt conveyor mechanism to rotate a certain angle (within the range of 0° to 18°), and the lifting drive device maintains pressure;

[0139] Step S33: The lifting drive device operates to return to the initial position, drives the hopper to rotate in the reverse direction, and then drives the throwing belt seat and the throwing belt conveyor mechanism to return to the initial position.

[0140] Preferably, it is executed in sequence according to steps S31, S32, and S33.

[0141] In the description of the present application and its embodiments, it should be understood that the orientation or positional relationship indicated by terms such as "top", "bottom", "height", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0142] In this application and its embodiments, unless otherwise clearly defined and limited, terms such as "arranged", "installed", "connected", "joined", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or a communication connection; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal connection or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0143] In this application and its embodiments, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over", and "on top of" the second feature includes the first feature being directly above and diagonally above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "beneath", and "underneath" the second feature includes the first feature being directly below and diagonally below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0144] The above disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure of this application, components and arrangements of specific examples are described above. Of course, they are merely examples and are not intended to limit this application. In addition, this application may repeat reference numerals and / or reference letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or arrangements discussed. In addition, this application provides examples of various specific processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0145] Although the preferred embodiments of this application have been described, those skilled in the art can make additional changes and modifications once they learn the basic creative concept. Therefore, the appended claims are intended to be construed to include the preferred embodiments as well as all changes and modifications falling within the scope of this application.

[0146] Obviously, those skilled in the art can make various changes and modifications to this application without departing from the spirit and scope of this application. Thus, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalent technologies, this application is also intended to include these changes and modifications.

Claims

1. A material cart, characterized in that, Comprising: Frame; Hopper, arranged above the frame; Material conveying mechanism, placed on the frame; Movable assembly, located between the hopper and the material conveying mechanism, and respectively connected to the hopper and the material conveying mechanism; wherein, the movable assembly is used to drive the material conveying mechanism to move longitudinally on the frame so that the material conveying mechanism can extend and retract relative to the frame, and is also used to drive the extended material conveying mechanism to lift and lower in the vertical direction; The material conveying mechanism includes: Throwing belt conveying mechanism, placed on the frame; Throwing belt, installed on the throwing belt conveying mechanism, and the throwing belt conveying mechanism is used to convey the throwing belt; The movable assembly is also used to drive the extended and lifted throwing belt conveying mechanism to rotate and swing in the horizontal direction; The movable assembly includes: Longitudinal moving mechanism, located between the hopper and the throwing belt conveying mechanism, and respectively connected to the hopper and the throwing belt conveying mechanism; Wherein, the longitudinal moving mechanism can drive the throwing belt conveying mechanism to move longitudinally on the frame so that the throwing belt conveying mechanism can extend and retract relative to the frame; The longitudinal moving mechanism includes: Inverted U-shaped throwing belt seat, the transverse part of the throwing belt seat is installed at the lower end of the hopper; wherein, the transverse part of the throwing belt seat has a through hole of the throwing belt seat, and the lower discharge port of the hopper is communicated with the through hole of the throwing belt seat; Two longitudinal moving driving devices, relatively fixed on the outer sides of the two vertical parts of the throwing belt seat, and the output shafts of the longitudinal moving driving devices extend between the two vertical parts of the throwing belt seat; Two longitudinal moving output gears, one longitudinal moving output gear is installed on the output shaft of one longitudinal moving driving device; Two longitudinal moving racks, respectively fixed on both sides of the throwing belt conveying mechanism, and the longitudinal moving racks are meshed with the longitudinal moving output gears; Wherein, the output shafts of the two longitudinal moving driving devices rotate synchronously, and through the transmission of the longitudinal moving output gears and the longitudinal moving racks, drive the throwing belt conveying mechanism to move longitudinally on the frame; The longitudinal moving driving device adopts a hydraulic motor.

2. The material cart according to claim 1, characterized in that, The longitudinal moving mechanism further includes: Two rear rollers, relatively arranged at the outer bottom of the throwing belt conveying mechanism and away from the throwing belt seat, and the rear rollers are used to support the throwing belt conveying mechanism; Two rear guide rails, fixed on the frame and respectively carrying the two rear rollers; Wherein, when the throwing belt conveying mechanism moves longitudinally, the rear rollers roll along the rear guide rails; The longitudinal moving driving device is located in the middle of the vertical part of the throwing belt seat.

3. The material cart according to claim 2, characterized in that, The longitudinal moving mechanism further includes: Two pairs of inner rollers, each pair of inner rollers is relatively arranged inside the two vertical parts of the throwing belt seat, and the two pairs of inner rollers are symmetrically arranged relative to the longitudinal moving driving device, and the position of the inner rollers is higher than that of the longitudinal moving driving device; Two outer guide rails, respectively fixed on the two outer sides of the throwing belt conveying mechanism, and the two inner rollers are respectively located at the two outer guide rails; Wherein, the outer guide rail and the inner roller cooperate to define the longitudinal movement of the throwing belt conveying mechanism in the radial direction of the inner roller.

4. The material cart according to claim 3, characterized in that, The longitudinal movement mechanism further includes: Two inner guide wheels, which are relatively arranged inside the two vertical parts of the throwing belt seat, and the positions of the inner guide wheels are the same as the height of the inner rollers; the axial direction of the inner guide wheels is perpendicular to the axial direction of the side rollers; The two inner guide wheels are respectively located at the two outer guide rails, and the inner guide wheels cooperate with the inner bottom surface of the outer guide rails to define the longitudinal movement of the throwing belt conveying mechanism in the axial direction of the inner roller; The two vertical parts of the throwing belt seat respectively have through throwing belt seat through holes; The longitudinal movement mechanism further includes: A pair of retracted position locking plates, which are relatively fixed on the throwing belt conveying mechanism, and the retracted position locking plates have retracted position locking holes; A pair of working position locking plates, which are relatively fixed on the throwing belt conveying mechanism, are located behind the retracted position locking plates, and the working position locking plates have working position locking holes; Two locking pins, which are respectively located at the two throwing belt seat through holes; Two locking driving devices, which are fixed on the throwing belt seat and are respectively used to drive the two locking pins to move along the two throwing belt seat through holes.

5. The material cart according to any one of claims 1 to 4, characterized in that, It further includes: A storage and transportation box, which is fixed on the vehicle frame, and the hopper is used to receive the ballast injected from the lower discharge port of the storage and transportation box; A hopper support, which is fixed on the vehicle frame; The movable assembly further includes: A U-shaped hopper fixing frame, the end parts of the two side arms of the hopper fixing frame are respectively rotatably connected to the hopper support, and the upper part of the hopper is fixed inside the hopper fixing frame; A lifting mechanism, the lower end of the lifting mechanism is rotatably connected to the outside of the transverse arm of the hopper fixing frame, and the upper end of the lifting mechanism is rotatably connected to the storage and transportation box; A lifting driving device, which is used to drive the lifting mechanism to expand and contract in the vertical direction, and drive the hopper to rotate down and up around the hopper support.

6. The material cart according to claim 5, characterized in that, The movable assembly further includes: A rotating device, the inner ring of the rotating device is fixed to the outside of the lower discharge port of the hopper, and the outer gear ring of the rotating device is fixed to the transverse part of the throwing belt seat; A rotation driving device, which is installed on the hopper fixing frame; A rotation driving gear, which is installed on the output shaft of the rotation driving device and meshes with the outer gear ring of the rotating device; Wherein, when the output shaft of the rotation driving device rotates, through the transmission of the rotation driving gear and the outer gear ring of the rotating device, the outer gear ring of the rotating device is driven to rotate relative to the inner ring of the rotating device, so that the throwing belt seat can rotate relative to the lower discharge port of the hopper.

7. An operation method of the material cart according to any one of claims 1 to 6, characterized in that, It includes the following steps: The material conveying mechanism moves in the longitudinal direction, so that the material conveying mechanism extends out of the vehicle frame; When the throwing direction of the ballast is consistent with the longitudinal direction, the material conveying mechanism is lifted, and the hopper is lifted upward around the hopper support, so that the rear part of the material conveying mechanism is lifted upward; When the throwing direction of the ballast forms a preset angle with the longitudinal direction, it includes the following steps: First, lift the hopper upward around the hopper support, causing the rear part of the material conveying mechanism to tilt upward; then rotate the material conveying mechanism so that the material conveying mechanism forms a certain angle with the longitudinal direction. Alternatively, first rotate the material conveying mechanism so that the material conveying mechanism forms a certain angle with the longitudinal direction; then tilt the hopper upward around the hopper support, causing the rear part of the material conveying mechanism to tilt upward.

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