Carriage car loader

Abstract

A carriage car loader relates to the technical field of automatic loading equipment, and comprises a machine head part, a discharging car capable of reciprocating along the extension direction of the machine head part is arranged in the machine head part, and the discharging car has a first state in which the bottom of the discharging car is closed to support materials and a second state in which the bottom of the discharging car is opened to release the materials. According to the utility model, the labor intensity of workers is reduced, and the carriage loading efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of loading machines, and particularly relates to a carriage loading machine. Background Art

[0002] In the shipment of cement in bags by train in China, at present, the vast majority of domestic methods are to load the bags with the help of conveyors: manually unload the bagged cement from the pallet or the pusher vehicle, put it into the conveyor and transport it to the train carriage, and another worker is at the other end of the conveyor to place and stack the products transported by the conveyor in the carriage. This manual loading method has a high labor intensity and low productivity. Content of the Utility Model

[0003] The utility model provides a carriage loading machine for solving the above technical problems existing in the prior art, which can achieve sequential stacking in the carriage and reduce the labor intensity of workers.

[0004] To achieve the above technical purpose, an embodiment of the utility model provides a carriage loading machine, including a machine head,

[0005] A discharging vehicle capable of reciprocating along the extension direction of the machine head is arranged in the machine head. The discharging vehicle has a first state in which its bottom is closed to support materials, and a second state in which its bottom is opened to release materials.

[0006] In some embodiments, the discharging vehicle includes at least one discharging member, the discharging member is rotatably connected to the discharging vehicle, and the discharging member is a rigid plate;

[0007] In the first state, the discharging member rotates to a position where the bottom of the discharging vehicle is closed,

[0008] In the second state, the discharging member rotates to a position where the bottom of the discharging vehicle is opened.

[0009] In some embodiments, there are two discharging members, and the two discharging members are respectively rotatably connected to the discharging vehicle; in the first state, the two discharging members jointly close the bottom of the discharging vehicle.

[0010] In some embodiments, the discharging vehicle includes at least one discharging member, the discharging member is movably connected to the discharging vehicle, and the discharging member is a rigid plate;

[0011] In the first state, the discharging member moves to a position where the bottom of the discharging vehicle is closed,

[0012] In the second state, the discharging member moves to a position where the bottom of the discharging vehicle is opened.

[0013] In some embodiments, the discharging vehicle includes at least one discharging member, and the discharging member is a bendable flexible structure;

[0014] The discharging vehicle has a bent discharging guide rail, and at least a part of the bent discharging guide rail bends upward or downward;

[0015] The discharging member can slide along the discharging guide rail and deform as the discharging guide rail bends.

[0016] In some embodiments, the discharging member is a flat chain, and the flat chain includes a plurality of chain links that are parallel to each other and pivotally connected in sequence.

[0017] In some embodiments, the discharging member includes a plurality of support rods arranged in parallel, and the discharging member further includes a connecting chain connecting the support rods;

[0018] The support rods are connected to the chain links of the connecting chain.

[0019] In some embodiments, the discharging guide rail includes two symmetrically arranged guide rail grooves with openings facing inward, and the ends of the support rods are placed in the guide rail grooves.

[0020] In some embodiments, a discharging driving mechanism is further included, and the discharging driving mechanism includes a driving sprocket meshing with the connecting chain.

[0021] In some embodiments, there are two discharging members, and the two discharging members are symmetrically arranged;

[0022] A discharging driving mechanism is further included, and the discharging driving mechanism includes two groups of driving sprockets that rotate synchronously and in opposite directions and mesh with the connecting chain;

[0023] Wherein, one group of the driving sprockets meshes with one discharging member, and the other group of the driving sprockets meshes with the other discharging member;

[0024] The discharging guide rail includes an intermediate section, a left bending section that extends upward and bends from one end of the intermediate section, and a right bending section that extends upward and bends from the other end of the intermediate section.

[0025] One or more technical solutions provided in the embodiments of the present utility model have at least the following technical effects or advantages: The carriage loading machine of the present utility model is used to stack materials, especially bagged materials, into the carriages of trains, automobiles, etc. By utilizing the characteristic that the discharging vehicle can reciprocate along the machine head, automatic stacking of materials in the carriage can be achieved. Description of the Drawings

[0026] Figure 1 It is a perspective view of the carriage loading machine according to the first embodiment of the present utility model.

[0027] Figure 2 It is a perspective view of another angle of the carriage loader.

[0028] Figure 3 It is Figure 2 the enlarged partial view of part A in

[0029] Figure 4 It is the top view of the carriage loader.

[0030] Figure 5 It is the state of conveying materials to the right side of the carriage Figure 1 .

[0031] Figure 6 It is the state of conveying materials to the right side of the carriage Figure 2 .

[0032] Figure 7 It is the state diagram of conveying materials to the left side of the carriage.

[0033] Figure 8 It is the schematic diagram of the material falling.

[0034] Figure 9 It is the structural schematic diagram of the discharging driving mechanism.

[0035] Figure 10 It is the partial structural schematic diagram of the carriage loader of the second embodiment of the present utility model.

[0036] Figure 11 It is the structural schematic diagram of the discharging member.

[0037] Figure 12 It is the working schematic diagram of the transverse movement driving mechanism.

[0038] Figure 13 It is the structural schematic diagram of the discharging vehicle.

[0039] Figure 14 It is the schematic diagram of the driving principle during the opening and closing process of the discharging member.

[0040] Description of the Reference Numerals

[0041] 10. Carriage; 20. Material;

[0042] 100. Carriage loader;

[0043] 101. Machine head, 102. Conveyor belt, 104. Conveyor belt frame, 106. Belt, 108. Connection structure, 110. Outer frame, 112. Transverse guide rail, 114. Tripper car, 116. First discharge plate, 118. Second discharge plate, 120. Transverse roller, 122. Support wheel, 124. First centering wheel, 126. Second centering wheel, 128. Support track, 130. First centering part, 132. Second centering part, 134. Transverse drive mechanism, 136. First sprocket, 138. Second sprocket, 140. Transverse chain, 142. Discharge drive mechanism, 144. Discharge drive element, 146. First gear, 148. Second gear, 150. First chain, 152. First driving sprocket, 154. First driven sprocket, 156. Second chain, 158. Second driving sprocket, 160. Second driven sprocket, 162. Support part, 164. Caster wheel;

[0044] 200. Truck loader;

[0045] 201. Machine head, 202. Discharge guide rail, 204. Guide rail groove, 2041. Middle section, 2042. Left bending section, 2043. Right bending section, 206. Support rod, 2061. First discharge member, 2062. Second discharge member, 209. Support bearing, 210. Connecting chain, 214. Tripper car, 216. First driving sprocket, 218. Second driving sprocket, 220. 222 Transmission shaft, 242. Discharge drive mechanism. Detailed implementation mode

[0046] Other objects and advantages of the present invention will become clear by explaining the following preferred implementation modes of the present application.

[0047] First implementation mode

[0048] A truck loader 100 is used to stack materials, especially bagged materials, into the carriages of trains, trucks, etc. The above-mentioned bagged materials can be, for example, bagged cement, chemical fertilizers, feeds, flour and other materials.

[0049] Figure 1 It is a three-dimensional view of the truck loader according to the first implementation mode of the present invention. Figure 2 It is a three-dimensional view of another perspective of the truck loader. Figure 3 It is Figure 2 The partial enlarged view at A in Figure 4 It is a top view of the truck loader.

[0050] As Figures 1 to 4As shown, the carriage loader of this embodiment includes a machine head 101. Preferably, the carriage loader 100 further includes a conveyor belt 102. The machine head 101 is connected to the front end of the conveyor belt 102, and there is an included angle between the extending direction of the machine head 101 and the extending direction of the conveyor belt 102. Preferably, the extending direction of the machine head 101 is perpendicular to the extending direction of the conveyor belt 102, that is, as Figure 1 shown, but this patent is not limited thereto. There can be an included angle of, for example, 30°, 45°, 60° and other angles between the extending direction of the machine head 101 and the extending direction of the conveyor belt.

[0051] A discharging carriage 114 capable of reciprocatingly moving along the extending direction of the machine head 101 is provided inside the machine head 101. The discharging carriage 114 has a first state in which its bottom is closed to support materials and a second state in which its bottom is opened to release materials.

[0052] For example, as Figure 1 shown, the machine head 101 has an outer frame 110, and the outer frame 110 can have a rectangular outer shape structure, for example. Transverse guide rails 112 are provided inside the two relatively long sides of the outer frame 110. The above-mentioned transverse guide rails 112 can be two troughs opening inward, for example. A plurality of transverse rollers 120 are provided on the discharging carriage 114, and the transverse rollers 120 are embedded in the above-mentioned troughs, that is, connected to the transverse guide rails 112, so as to realize the reciprocating movement of the discharging carriage 114. Through the reciprocating movement connection between the discharging carriage 114 and the machine head 101, the discharging carriage 114 can stack materials 20 at different width positions inside the carriage 10.

[0053] The length of the machine head 101 ( Figure 1 the left-right direction dimension in Figure 1 ) can be slightly smaller than the width of the inside of the carriage 10 (

[0054] the left-right direction dimension in). In this case, only by reciprocatingly moving the discharging carriage 114 can the materials 20 be stacked at different width positions inside the carriage 10.

[0055] In addition, the length of the machine head 101 can also be set to be smaller than the width of the inside of the carriage 10. In this way, through the reciprocating movement connection between the machine head and the front end of the conveyor belt, the materials 20 can be stacked at different width positions inside the carriage 10.

[0056] In addition, in some other embodiments, the machine head 101 of the carriage loader can also be placed and used along the length direction of the carriage 10. Figure 2 and Figure 3 shown, the conveyor belt 102 includes a conveyor belt frame 104 and a belt 106. The front end of the conveyor belt frame 104 is connected to the outer frame 110 of the machine head 101 through a connection structure 108.

[0057] In some embodiments, the connection structure 108 includes a support wheel 122 and a support track 128 formed on the outer side of the outer frame 110. The support wheel 122 extends from the conveyor belt 102 towards the outer frame 110, and the support track 128 is formed in a groove shape with an opening facing the conveyor belt 102. The support wheel 122 is placed in the groove of the support track 128 to connect the support wheel 122 and the support track 128, and is used to support the weight of the machine head 101 and the material 20.

[0058] The above-mentioned support track 128 can be made of channel steel, for example. Further, in order to straighten and guide the machine head 101, the present embodiment further includes a first straightening wheel 124 and a second straightening wheel 126. The first straightening wheel 124 and the second straightening wheel 126 are respectively located on the front and rear sides of the support track 128. A first straightening portion 130 is provided on the rear side of the support track 128, and a second straightening portion 132 is provided on the rear side of the support track 128. The wheel body of the first straightening wheel 124 is connected to the first straightening portion 130, and the second straightening wheel 126 is connected to the second straightening portion 132. By providing the above-mentioned support wheel 122, the first straightening wheel 124 and the second straightening wheel 126, a stable support for the machine head 101 can be formed.

[0059] It should be noted that the above-mentioned connection structure 108 can also be other structures. For example, a slide rail can be provided on the machine head 101, and a slider can be provided at the front end of the conveyor belt 102. A reciprocating movable connection between the machine head 101 and the conveyor belt 102 can also be formed through a linear slide rail connection.

[0060] In some embodiments, as Figure 4 shown, the length of the machine head 101 is greater than the width of the conveyor belt 102. When the machine head 101 moves to the extreme left position, the left end of the machine head 101 is located on the left side of the conveyor belt 102; and when the machine head 101 moves to the extreme right position, the right end of the machine head 101 is located on the right side of the conveyor belt 102. When loading the box, the conveyor belt 102 can be placed in the middle of the width direction of the carriage 10, and by adjusting the position of the machine head 101 in the left-right direction, the material stacking within the full width range on the left and right sides inside the carriage 10 can be realized.

[0061] Figure 5 State of conveying the material 20 to the right side of the carriage 10 Figure 1 ; Figure 6 State of conveying the material 20 to the right side of the carriage 10 Figure 2 ; Figure 7 State diagram of conveying the material 20 to the left side of the carriage 10.

[0062] As Figure 5 and Figure 6As shown, the conveyor belt 102 is placed at the middle position in the width direction of the carriage 10. When stacking the material 20 on the right side of the carriage 10, first move the machine head 101 to the position as shown in Figure 5 , that is, the right end of the machine head 101 extends to the right side of the conveyor belt 102.

[0063] As shown in Figure 5 , the discharging vehicle 114 is located in front of the conveyor belt 102, and the discharging vehicle 114 is in the first state with a closed bottom. The material 20 is conveyed from the conveyor belt 102 to the discharging vehicle 114.

[0064] As shown in Figure 6 , the discharging vehicle 114 moves from the left side to the right side of the machine head 101. When the discharging vehicle 114 moves to the set position, the discharging vehicle 114 switches to the second state with an open bottom, and the material 20 falls from the discharging vehicle 114 into the carriage 10, realizing the stacking of one material 20.

[0065] As shown in Figure 7 , when stacking the material 20 on the left side of the carriage 10, first move the machine head 101 to the position as shown in Figure 7 , that is, the left end of the machine head 101 is located on the left side of the conveyor belt 102. Thus, similar to the above process, the material can be stacked on the left side of the carriage 10.

[0066] Further, after stacking the material 20 at the front of the carriage 10, the entire carriage loader 100 can be moved backward by the distance of one material, so as to stack the next row of materials. According to the need, after stacking a row of materials in sequence (stacking to the top of the carriage), the adjacent materials at the back can be stacked, or after stacking part of a row of materials (stacking one or more layers, rather than stacking to the top of the carriage at one time), the adjacent materials at the back can be stacked.

[0067] In some embodiments, the discharging vehicle 114 includes at least one discharging member, such as one or two. The discharging member is rotatably connected to the discharging vehicle 114, and the discharging member is a rigid plate. Preferably, there are two discharging members, and the two discharging members are respectively rotatably connected to the discharging vehicle 114. In the first state, the two discharging members jointly close the bottom of the discharging vehicle 114.

[0068] Specifically, Figure 8 is a schematic diagram of the material falling. As shown in Figure 8As shown, there are two discharging members, namely the first discharging plate 116 and the second discharging plate 118. The left side of the first discharging plate 116 is pin-connected to the discharging vehicle 114, and the right side of the second discharging plate 118 is pin-connected to the discharging vehicle 114. In the first state, the first discharging plate 116 and the second discharging plate 118 rotate to a position where they close the bottom of the discharging vehicle 114, so as to be able to support the material 20; in the second state, the first discharging plate 116 and the second discharging plate 118 rotate to a position where they open the bottom of the discharging vehicle 114, so that the material 20 can fall and be stacked in the carriage 10.

[0069] Figure 8 An embodiment of the transverse movement driving mechanism 134 is also shown. Among them, the transverse movement driving mechanism 134 includes a first sprocket 136, a second sprocket 138 and a transverse movement chain 140. The first sprocket 136 is rotatably connected to the outer frame 110, the second sprocket 138 is rotatably connected to the outer frame 110, and the transverse movement chain 140 meshes with the first sprocket 136 and the second sprocket 138 respectively. The discharging vehicle 114 is fixedly connected to the transverse movement chain 140. Thus, by rotating the first sprocket 136 and the second sprocket 138, the discharging vehicle 114 can be driven to move left and right along the length direction of the outer frame 110. The above-mentioned transverse movement driving mechanism 134 can be driven by an electric motor, for example.

[0070] In addition, the transverse movement driving mechanism 134 can also be structures such as a cylinder, a hydraulic cylinder, an electric cylinder, a gear rack, a screw sleeve screw, etc., and can also achieve the function of driving the discharging vehicle to reciprocate left and right.

[0071] Figure 9 It is a structural schematic diagram of a discharging driving mechanism 142 of an embodiment.

[0072] As Figure 9 shown, the discharging driving mechanism 142 is used to drive the first discharging plate 116 and the second discharging plate 118 to open or close the bottom of the discharging vehicle 114.

[0073] Specifically, the unloading drive mechanism 142 includes an unloading drive element 144, a first gear 146, a second gear 148, a first driving sprocket 152, a first driven sprocket 154, a second driving sprocket 158, and a second driven sprocket 160. The output end of the unloading drive element 144 is in transmission connection with the first gear 146, and the first gear 146 meshes with the second gear 148. The first driving sprocket 152 and the first gear 146 are coaxial and fixedly connected, and the second driving sprocket 158 and the second gear 148 are coaxial and fixedly connected. The first driving sprocket 152 is in transmission connection with the first driven sprocket 154 through a first chain 150; the second driving sprocket 158 is in transmission connection with the second driven sprocket 160 through a second chain 156. The first driven sprocket 154 is fixedly connected to the first unloading plate 116 and is used to drive the first unloading plate 116 to rotate around the center of its pin shaft; the second driven sprocket 160 is fixedly connected to the second unloading plate 118 and is used to drive the second unloading plate 118 to rotate around the center of its pin shaft.

[0074] The above-mentioned unloading drive mechanism 142 can drive the first unloading plate 116 and the second unloading plate 118 to rotate synchronously and in opposite directions, that is, when the first unloading plate 116 rotates clockwise, the second unloading plate 118 rotates counterclockwise to switch from the first state to the second state; when the first unloading plate 116 rotates counterclockwise, the second unloading plate 118 rotates clockwise to switch from the second state to the first state.

[0075] In addition, those skilled in the art can also set the above-mentioned unloading drive mechanism 142 to other structures. For example, it can be set to two electric motors, where the output shaft of one electric motor is in transmission connection with the first unloading plate 116 to drive the first unloading plate 116 to rotate; the output shaft of the other electric motor is in transmission connection with the second unloading plate 118 to drive the second unloading plate 118 to rotate. Or, it can be set to two cylinders, where one cylinder is used to drive the first unloading plate 116 to rotate, and the other cylinder is used to drive the second unloading plate 118 to rotate.

[0076] The unloading truck 114 can also be of other structures. For example, in some embodiments, the unloading truck 114 includes at least one unloading member, and the unloading member is movably connected to the unloading truck 114. The unloading member is a rigid plate. In the first state, the unloading member moves to a position closing the bottom of the unloading truck 114, and in the second state, the unloading member moves to a position opening the bottom of the unloading truck.

[0077] For example, a slideway extending in the horizontal direction is provided on the unloading truck 114. The unloading member is a steel plate, and a cylinder is used to push the unloading member to reciprocate to close / open the bottom of the unloading truck 114. In this embodiment, the number of unloading members is one or two, and the corresponding number of the above-mentioned cylinders is also one or two.

[0078] In addition, during use, the machine head 101 is supported by the support part 162 near the top of the carriage 10, so that materials 20 can be discharged within the height space of the carriage 10. For example, the support part 162 can be provided on the lower side of the conveyor belt 102. The support part 162 is a structure in the shape of multiple support legs. The upper end of the support part 162 is fixedly connected to the conveyor belt 102. The lower end of the support part 162 is provided with casters 164, which facilitates the movement of the machine head 101 and the conveyor belt 102 within the carriage 10. The support part 162 can also be other structures, such as a structure hoisted on the top wall of the carriage, or suspended inside the carriage 10 supported by other structures extending from the outside of the carriage 10. The present utility model does not make special limitations on this.

[0079] However, when loading the carriage 10, the above-mentioned carriage loader 100 will inevitably occupy a certain space at the top inside the carriage 10. For example, in the embodiment where the bottom of the rotary open-discharge truck 114 is opened, materials 20 cannot be normally placed within the space occupied by the downward rotation process of the first discharge plate 116 and the second discharge plate 118, resulting in a large space at the top of the carriage 10 where materials 10 cannot be placed, causing waste of space. Based on the above-mentioned implementation manner, how to reduce the space occupation during the discharging process of the discharge truck 114 becomes of great significance.

[0080] Second Embodiment

[0081] This embodiment is further improved on the basis of the first embodiment. Specifically, the structure of the machine head 101 is improved to reduce the height of the machine head 101, so as to reduce the space occupation at the top of the carriage 10. The rest is the same as the first embodiment and will not be elaborated here. The structure of the machine head 201 of this embodiment will be described in detail below.

[0082] Figure 10 It is a schematic diagram of a partial structure of the carriage loader according to the second embodiment of the present utility model. Figure 11 It is a schematic diagram of the structure of the discharging member. Figure 12 It is a working principle diagram of the transverse movement driving mechanism. Figure 13 It is a schematic diagram of the structure of the discharge truck 214. Figure 14 It is a schematic diagram of the driving principle during the opening and closing process of the discharging member.

[0083] As Figures 10 to 14As shown, the discharging vehicle 214 includes at least one discharging member, and the discharging member is a bendable flexible structure. The discharging vehicle 214 has a bent discharging guide rail 202, and at least a part of the bent discharging guide rail 202 bends upward or downward. The discharging member can slide along the discharging guide rail 202 and deform as the discharging guide rail 202 bends. In this embodiment, by setting the discharging member as a bendable flexible structure and bending both ends of the discharging guide rail 202 upward or downward, the space occupied in height during the operation of the machine head 201 and the discharging vehicle 214 is reduced.

[0084] In some embodiments, as Figure 10 and Figure 11 shown, the discharging member includes a plurality of support rods 206 arranged in parallel, and the discharging member further includes a connecting chain 210 connecting the support rods 206. The support rods 206 are connected to the links of the connecting chain 210. For example, the support rods 206 can be connected to the above-mentioned links by welding or screw connection.

[0085] The discharging guide rail 209 includes two symmetrically arranged guide rail grooves 204 with openings facing inward, and the ends of the support rods 206 are placed in the guide rail grooves 204. Preferably, bearings or rollers can be respectively arranged at both ends of the support rods 206 to reduce the friction force during the movement of the ends of the support rods 206 in the guide rail grooves 204.

[0086] In this embodiment, a discharging driving mechanism 242 is further included. The discharging driving mechanism 242 includes a driving sprocket meshing with the connecting chain 210. By rotating the above-mentioned driving sprocket, the discharging member can be driven to open or close the bottom of the discharging vehicle 214 under the guiding action of the discharging guide rail 209.

[0087] As Figure 13 shown, the discharging guide rail 204 includes an intermediate section 2041, a left bent section 2042 extending upward and bending from one end of the intermediate section 2041, and a right bent section 2043 extending upward and bending from the other end of the intermediate section 2041.

[0088] In addition, a plurality of transverse moving rollers 120 are arranged on both sides of the discharging vehicle 214, and the transverse moving rollers 120 are reciprocally movably connected with the transverse moving guide rails 112 in the outer frame 110.

[0089] In some embodiments, as Figure 14 , there are two discharging members, and the two discharging members are symmetrically arranged. A discharging driving mechanism 214 is further included, and the discharging driving mechanism includes two groups of driving sprockets that rotate synchronously and reversely and mesh with the connecting chain 210.

[0090] Among them, one set of driving sprockets is meshed with one unloading member, including two first driving sprockets 216, which are connected by transmission shaft 222, and the transmission shaft 222 is rotatably connected to the unloading guide rail 202. Similarly, another set of driving sprockets is meshed with another unloading member, including two second driving sprockets 218, which are connected by transmission shaft 220, and the transmission shaft 220 is rotatably connected to the unloading guide rail 202.

[0091] The structure and principle of the unloading drive mechanism 242 are similar to those of the unloading drive mechanism 142 of the first embodiment, except that in this embodiment, Figure 14 As shown, the first driven sprocket 254 is drivingly connected to the first driving sprocket 216, and the second driven sprocket 218 is drivingly connected to the second driving sprocket 218. The remaining similarities are not repeated here.

[0092] Therefore, the unloading drive mechanism 242 of the present embodiment can drive the first unloading member 2061 and the second unloading member 2062 to move synchronously and in opposite directions to close or open the bottom of the unloading vehicle 214 .

[0093] In some embodiments, the unloading member may also be a flat plate chain, which includes a plurality of chain links that are parallel to each other and pivotally connected in sequence.

[0094] The device of the present application is described in detail with reference to the preferred technical solution of the present application. However, it should be noted that, without departing from the spirit of the present application, those skilled in the art may make any transformation, modification and change based on the above disclosure. The present application includes the above specific embodiments and any equivalent forms thereof.

Claims

1. A carriage loader, characterized in that: Including the head, A discharge trolley capable of reciprocating along the extension direction of the head portion is arranged in the head portion, and the discharge trolley has a first state in which its bottom is closed to support materials, and a second state in which its bottom is opened to release materials.

2. The carriage loader according to claim 1, characterized in that: The unloading vehicle comprises at least one unloading member, the unloading member is rotatably connected to the unloading vehicle, and the unloading member is in the shape of a rigid plate; In the first state, the unloading member rotates to a position closing the bottom of the unloading vehicle, In the second state, the trip member is rotated to a position that opens the bottom of the trip cart.

3. The carriage loader according to claim 2, characterized in that: There are two unloading components, and the two unloading components are rotatably connected to the unloading vehicle respectively; in the first state, the two unloading components jointly close the bottom of the unloading vehicle.

4. The carriage loader according to claim 1, characterized in that: The unloading vehicle comprises at least one unloading member, the unloading member is movably connected to the unloading vehicle, and the unloading member is in the shape of a rigid plate; In the first state, the unloading member moves to a position closing the bottom of the unloading vehicle, In the second state, the unloading member moves to a position that opens the bottom of the unloading vehicle.

5. The carriage loader according to claim 1, characterized in that: The unloading vehicle comprises at least one unloading member, and the unloading member is a bendable flexible structure; The unloading vehicle has a curved unloading guide rail, at least a portion of which is curved upward or downward; The discharge member is slidable along the discharge guide rail and deforms as the discharge guide rail bends.

6. The carriage loader according to claim 5, characterized in that: The unloading component is a flat plate chain, which includes a plurality of chain links which are parallel to each other and pivotally connected in sequence.

7. The carriage loader according to claim 6, characterized in that: The unloading member includes a plurality of support rods arranged in parallel, and the unloading member also includes a connecting chain connecting the support rods; The support rod is connected to the link of the connecting chain.

8. The carriage loader according to claim 7, characterized in that: The unloading guide rail comprises two guide rail grooves which are symmetrically arranged and open inwardly, and the ends of the support rods are placed in the guide rail grooves.

9. The carriage loader according to claim 7, characterized in that: Also included is a discharge drive mechanism including a drive sprocket engaged with the connecting chain.

10. The carriage loader according to claim 7, characterized in that: There are two unloading components, and the two unloading components are symmetrically arranged; Also included is a discharge drive mechanism, the discharge drive mechanism including two sets of drive sprockets meshing with the connecting chain and rotating synchronously and in opposite directions; wherein one set of the drive sprockets is meshed with one of the discharge members, and another set of the drive sprockets is meshed with another of the discharge members; The unloading guide rail includes a middle section, a left curved section extending upward from one end of the middle section and curved, and a right curved section extending upward from the other end of the middle section and curved.

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