Classified storage trolley for waste steel in construction site
By designing a waste steel classification storage car for construction sites, using rotating electric motors and hydraulic cylinders to drive telescopic arms, and combining magnetic suction cups and telescopic belts for steel recycling and classified storage, the problem of difficult to detect scrap steel and low manual operation safety in the prior art is solved, efficient recycling and classified storage is achieved, and safety is improved.
Patent Information
- Application Number
- CN202421405027.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-19
AI Technical Summary
It is difficult to find some scrap steel heads at the construction site for existing storage cars, and they are easily injured when manually collected, which reduces overall safety.
A waste steel storage trolley on construction site was designed, using a rotating motor and hydraulic cylinder to drive the telescopic arm, combined with magnetic suction cups and telescopic belts for steel recycling and sorting storage. Through mechanized drive and remote control control, manual operation is reduced and safety is improved.
It realizes efficient recycling and classified storage of scrap steel, reduces labor intensity for manual operation, improves safety, and ensures the stability of the telescopic arm and the normal operation of the equipment.
Smart Images

Figure CN222646204U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel storage, in particular to a trolley for sorting and storing waste steel at a construction site. Background Art
[0002] At present, it is more or less difficult to classify and collect the scrap steel bars at the construction sites of construction companies, especially for highway construction companies. Scrap steel can be seen everywhere in steel bar sheds, construction sites, and prefabricated beam yards. The loss of scrap steel at construction sites is serious, resulting in a waste of resources. Scrap steel has economic value for recycling. Timely recycling of scrap steel generated at construction sites can reduce project costs, and at the same time is beneficial to resource conservation, which is in line with the dual-carbon concept of low-carbon and environmental protection. In the existing storage carts, during the work process, some of the scrap steel bars at the construction site are usually covered and not easy to find. Secondly, when collected manually, some irregular surfaces are sharp and easy to hurt the workers, reducing the overall safety. Therefore, we propose a classification and collection cart for scrap steel at construction sites to solve the above problems. Utility Model Content
[0003] In order to overcome the existing collection trolleys, some of the scrap steel bar heads at the construction site are usually covered and difficult to find. Secondly, when they are collected manually, some irregular surfaces are sharp and can easily hurt the workers' bodies, reducing the overall safety problem.
[0004] The technical solution of the utility model is: a trolley for sorting and collecting scrap steel on a construction site, comprising a vehicle body, a driving assembly, a supporting assembly, a storage assembly and a remote control; a driving assembly for driving equipment to adsorb steel for recovery is installed at the rear of the vehicle body, a supporting assembly for stably supporting the vehicle body for recovery work is installed on the outside of the driving assembly, a storage assembly for sorting and storing recovered steel is installed at the outer end of the driving assembly, and a remote control for controlling the equipment for recovery work is installed inside the vehicle body.
[0005] Preferably, a rotating motor is used to connect a rotating rod to adjust the angle of the telescopic arm, so that precise control of the telescopic arm can be achieved, covering a larger operating range to adapt to scrap steel at different positions and heights. At the same time, the operation is mechanized and driven to reduce the labor intensity of manual operation. The first ups and downs hydraulic cylinder is combined with the driving rod to drive the telescopic arm to perform telescopic work, so that the trolley can meet the needs of sorting scrap steel at different distances, quickly adjust the position of the telescopic arm, reduce the operation time, and ensure the stability of the telescopic arm during the operation, avoid accidents caused by the instability of the telescopic arm, and ensure the normal operation of the equipment. The slewing mechanism is used to drive the telescopic belt to connect the magnetic suction cup to absorb steel for recovery, so that the steel is pulled from a distance to the storage area of the trolley to avoid the omission of some steel bar heads and effectively recover the steel. Collect steel from more scattered points and realize efficient recycling of scrap steel bar heads. By adopting the cylinder connecting the adjusting rod combined with the load-bearing plate to assist in supporting the vehicle body, additional support is provided to make the vehicle body more stable when loading scrap steel, reduce the risk of rollover caused by unbalanced loading, and ensure the normal operation of the vehicle body. Two sets of partitions are installed inside the storage box to classify and store different waste materials, ensure that different types of scrap steel are effectively separated, prevent the scrap steel from being mixed and difficult to distinguish during transportation, and realize classified collection of storage. Use the lifting rod to drive the storage box to tilt and unload the material, so that the scrap steel can slide out of the box more easily, speed up the unloading speed, reduce direct manual contact with scrap steel, avoid the harm of irregular and sharp steel to the human body, and improve overall safety.
[0006] Preferably, the driving assembly includes a slewing mechanism, a telescopic belt, a fixed ring, a magnetic suction cup, a bracket, a rotating motor, a telescopic arm, a first lifting hydraulic cylinder, a driving rod, a connecting block, an auxiliary frame and a fixed block. A bracket is provided at the rear of the vehicle body, a telescopic arm is provided at one end of the bracket, a rotating motor is provided on the outside of the bracket, and a rotating rod is provided between the rotating motor and the bracket. The angle of the telescopic arm is adjusted by connecting the rotating motor to the rotating rod, so as to achieve precise control of the telescopic arm and cover a larger operating range to adapt to scrap steel at different positions and heights. At the same time, the operation is mechanized to reduce the labor intensity of manual operation and improve work efficiency.
[0007] Preferably, a first up-and-down hydraulic cylinder is provided on the outer side of the telescopic arm at the upper end of the bracket, a driving rod is provided at one end of the first up-and-down hydraulic cylinder, and a connecting block is provided at one end of the driving rod. The telescopic arm is driven to perform telescopic work by adopting the first up-and-down hydraulic cylinder in combination with the driving rod, so that the trolley can quickly adjust the position of the telescopic arm according to the classification needs of scrap steel at different distances, thereby reducing the operation time and ensuring the stability of the telescopic arm during the operation, avoiding accidents caused by the instability of the telescopic arm, and ensuring the normal operation of the equipment.
[0008] Preferably, a rotating mechanism is provided at the lower end of the bracket, a telescopic belt is provided inside the rotating mechanism, the telescopic belt passes through the telescopic arm and extends to the outer end, a fixing ring is provided at one end of the telescopic belt, a magnetic suction cup is provided at the outer end of the fixing ring, an auxiliary frame is provided at the lower end of the telescopic arm, a fixing block is provided between the auxiliary frame and the telescopic arm, and the rotating mechanism is used to drive the telescopic belt to connect the magnetic suction cup to absorb steel for recovery, so that the steel can be pulled from a distance to the trolley storage area, thereby avoiding the omission of some steel bar heads, effectively recovering steel at more scattered points, and improving the recovery efficiency.
[0009] Preferably, the supporting assembly includes a stabilizing block, a movable rod, a limiting bolt, an adjusting rod, a load-bearing plate and a cylinder. A stabilizing block is symmetrically arranged on the outer side of the slewing mechanism. A movable rod is arranged inside the stabilizing block. A cylinder is arranged on the outer end of the movable rod. An adjusting rod is arranged between the cylinder and the movable rod. The adjusting rod passes through the movable rod and extends downward. A load-bearing plate is arranged at one end of the adjusting rod. A limiting bolt is arranged on the outer wall of the stabilizing block. The movable rod is fixedly connected to the stabilizing block by the limiting bolt. The cylinder is used to connect the adjusting rod in combination with the load-bearing plate to assist in supporting the vehicle body and provide additional support, so that the vehicle body is more stable when loading scrap steel, the risk of rollover caused by unbalanced loading is reduced, and the normal operation of the vehicle body is ensured.
[0010] Preferably, the storage assembly includes a storage box, a baffle, a partition, a support plate and a second lifting hydraulic cylinder. A storage box is provided at the rear end of the vehicle body, a baffle is provided at one end of the storage box, two groups of partitions are provided inside the storage box, a pulley is provided between the partition and the storage box, and the partition is slid along the inside of the storage box through the pulley. By installing two groups of partitions inside the storage box, different waste materials can be classified and stored to ensure that different types of scrap steel are effectively separated, preventing the scrap steel from being mixed and difficult to distinguish during transportation, thereby realizing classified collection of storage.
[0011] Preferably, a support plate is provided at the lower end of the storage box, a second up and down hydraulic cylinder is provided inside the support plate, a lifting rod is provided between the second up and down hydraulic cylinder and the storage box, and the storage box is movably arranged along the rear end of the vehicle body through the lifting rod. The storage box is driven to tilt and unload by the lifting rod, so that the scrap steel can slide out of the box more easily, and the unloading speed is accelerated. At the same time, direct manual contact with the scrap steel is reduced, and the harm to the human body caused by irregular and sharp steel is avoided, thereby improving the overall safety.
[0012] Beneficial effects of the utility model:
[0013] 1. Compared with the traditional storage device, the telescopic arm angle is adjusted by using a rotating motor connected to a rotating rod to achieve precise control of the telescopic arm, covering a larger operating range to adapt to scrap steel at different positions and heights. At the same time, the operation is mechanized to reduce the labor intensity of manual operation. The first ups and downs hydraulic cylinder is combined with the driving rod to drive the telescopic arm for telescopic work, so that the trolley can meet the classification needs of scrap steel at different distances, quickly adjust the position of the telescopic arm, reduce the operation time, and ensure the stability of the telescopic arm during the operation, avoid accidents caused by the instability of the telescopic arm, and ensure the normal operation of the equipment. The slewing mechanism is used to drive the telescopic belt to connect the magnetic suction cup to absorb steel for recovery, and the steel is pulled from a distance to the storage area of the trolley to avoid the omission of some steel bar heads, effectively recover steel at more scattered points, and achieve efficient recovery of scrap steel bar heads.
[0014] 2. By using a cylinder to connect the adjustment rod combined with the load-bearing plate to assist in supporting the vehicle body, additional support is provided to make the vehicle body more stable when loading scrap steel, reduce the risk of rollover caused by unbalanced loading, and ensure the normal operation of the vehicle body. Two sets of partitions are installed inside the storage box to classify and store different waste materials according to different waste materials, ensuring that different types of scrap steel are effectively separated, preventing the scrap steel from being mixed and difficult to distinguish during transportation, and realizing classified collection of storage. The lifting rod is used to drive the storage box to tilt and unload the material, so that the scrap steel can slide out of the box more easily, speeding up the unloading speed, and reducing direct manual contact with scrap steel, avoiding the harm of irregular and sharp steel to the human body, and improving overall safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the drive assembly of the utility model;
[0017] Figure 3 This is a schematic diagram of the support assembly structure of the utility model;
[0018] Figure 4 This is a schematic diagram of the storage component structure of the utility model.
[0019] Explanation of the reference numerals: 1. Vehicle body; 2. Driving assembly; 201. Rotating mechanism; 202. Telescopic belt; 203. Fixed ring; 204. Magnetic suction cup; 205. Bracket; 206. Rotating motor; 207. Telescopic arm; 208. First lifting and lowering hydraulic cylinder; 209. Driving rod; 210. Connecting block; 211. Auxiliary frame; 212. Fixed block; 3. Support assembly; 301. Stabilizing block; 302. Movable rod; 303. Limiting bolt; 304. Adjusting rod; 305. Load-bearing plate; 306. Cylinder; 4. Storage assembly; 401. Storage box; 402. Baffle; 403. Partition; 404. Support plate; 405. Second lifting and lowering hydraulic cylinder; 5. Remote control. DETAILED DESCRIPTION
[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0021] See also Figure 1-4 The utility model provides an embodiment: a construction site scrap steel classification and storage trolley, comprising a vehicle body 1, a driving component 2, a supporting component 3, a storage component 4 and a remote controller 5; a driving component 2 for driving equipment to adsorb steel recovery is installed at the rear of the vehicle body 1, a supporting component 3 for stably supporting the vehicle body 1 for recovery work is installed on the outside of the driving component 2, a storage component 4 for classified storage of recovered steel is installed at the outer end of the driving component 2, and a remote controller 5 for controlling equipment to perform recovery work is installed inside the vehicle body 1.
[0022] See also Figure 1-2In this embodiment, the driving assembly 2 includes a slewing mechanism 201, a telescopic belt 202, a fixing ring 203, a magnetic suction cup 204, a bracket 205, a rotating motor 206, a telescopic arm 207, a first ups and downs hydraulic cylinder 208, a driving rod 209, a connecting block 210, an auxiliary frame 211 and a fixing block 212. A bracket 205 is provided at the rear of the vehicle body 1, a telescopic arm 207 is provided at one end of the bracket 205, a rotating motor 206 is provided on the outside of the bracket 205, and a rotating rod is provided between the rotating motor 206 and the bracket 205. The angle of the telescopic arm 207 is adjusted by connecting the rotating motor 206 to the rotating rod, so as to realize precise control of the telescopic arm 207 and cover a larger operating range to adapt to different positions and heights. The scrap steel is mechanized and driven at the same time, the labor intensity of manual operation is reduced and the work efficiency is improved. The outer side of the telescopic arm 207 is located at the upper end of the bracket 205 and a first up-and-down hydraulic cylinder 208 is provided. One end of the first up-and-down hydraulic cylinder 208 is provided with a driving rod 209, and one end of the driving rod 209 is provided with a connecting block 210. The first up-and-down hydraulic cylinder 208 is combined with the driving rod 209 to drive the telescopic arm 207 to retract and retract, so that the trolley can quickly adjust the position of the telescopic arm 207 according to the classification needs of scrap steel at different distances, reduce the operation time, and ensure the stability of the telescopic arm 207 during the operation, avoid accidents caused by the instability of the telescopic arm 207, and ensure the normal operation of the equipment.
[0023] See also Figure 1-3In this embodiment, a slewing mechanism 201 is provided at the lower end of the bracket 205, and a telescopic belt 202 is provided inside the slewing mechanism 201. The telescopic belt 202 passes through the telescopic arm 207 and extends to the outer end. A fixing ring 203 is provided at one end of the telescopic belt 202, and a magnetic suction cup 204 is sleeved on the outer end of the fixing ring 203. An auxiliary frame 211 is provided at the lower end of the telescopic arm 207, and a fixing block 212 is provided between the auxiliary frame 211 and the telescopic arm 207. The slewing mechanism 201 is used to drive the telescopic belt 202 to connect the magnetic suction cup 204 to absorb steel for recycling, and the steel is pulled from a distance to the trolley storage area to avoid the omission of some steel bar heads, effectively recover the steel at more scattered points, and improve the recycling efficiency. The support assembly 3 includes a stabilizing block 301, a movable rod 302, a limit bolt 303, and an adjusting rod 304. , a load-bearing plate 305 and a cylinder 306, a stabilizing block 301 is symmetrically arranged on the outer side of the slewing mechanism 201, a movable rod 302 is arranged inside the stabilizing block 301, a cylinder 306 is arranged on the outer end of the movable rod 302, an adjusting rod 304 is arranged between the cylinder 306 and the movable rod 302, the adjusting rod 304 passes through the movable rod 302 and extends to the bottom, a load-bearing plate 305 is arranged on one end of the adjusting rod 304, a limiting bolt 303 is arranged on the outer wall of the stabilizing block 301, the movable rod 302 is fixedly connected to the stabilizing block 301 by the limiting bolt 303, the adjusting rod 304 is connected by the cylinder 306 in combination with the load-bearing plate 305 to assist in supporting the vehicle body 1, and provide additional support, so that the vehicle body 1 is more stable when loading scrap steel, the risk of rollover caused by unbalanced loading is reduced, and the normal operation of the vehicle body 1 is ensured.
[0024] See also Figure 2-4 In this embodiment, the storage assembly 4 includes a storage box 401, a baffle 402, a partition 403, a support plate 404 and a second up-and-down hydraulic cylinder 405. The storage box 401 is provided at the rear end of the vehicle body 1, and a baffle 402 is provided at one end of the storage box 401. Two groups of partitions 403 are provided inside the storage box 401. A pulley is provided between the partition 403 and the storage box 401. The partition 403 is slidably arranged along the inside of the storage box 401 through the pulley. By installing two groups of partitions 403 inside the storage box 401, different waste materials are classified and stored to ensure that different types of scrap steel are effectively separated, and the scrap steel is prevented from being transported. The mixed materials in the process are difficult to distinguish, and the classified collection of storage is realized. A support plate 404 is provided at the lower end of the storage box 401, and a second up and down hydraulic cylinder 405 is provided inside the support plate 404. A lifting rod is provided between the second up and down hydraulic cylinder 405 and the storage box 401. The storage box 401 is movably arranged along the rear end of the vehicle body 1 through the lifting rod. The storage box 401 is driven to tilt and dump the materials by the lifting rod, and the storage box 401 is driven to tilt and dump the materials by the lifting rod, so that the scrap steel can slide out of the box more easily, and the dumping speed is accelerated. At the same time, direct manual contact with the scrap steel is reduced, and the harm to the human body caused by irregular and sharp steel is avoided, thereby improving the overall safety.
[0025] When working, first drive the vehicle body 1 to the designated recycling area, and according to the support range of the vehicle body 1, give priority to adjusting the movable rod 302 inside the stabilizing block 301, and after the movable rod 302 is adjusted, use the limit bolt 303 to thread and fix it, and then start the cylinder 306 to drive the adjusting rod 304 to fit the load-bearing plate 305 with the ground to support the vehicle body 1, so that the vehicle body 1 is more stable when loading scrap steel, and the risk of rollover caused by unbalanced loading is reduced. When the vehicle body 1 stops and supports, manually press the remote control 5 to give priority to controlling the rotating motor 206 to connect the rotating rod to adjust the angle of the telescopic arm 207, so as to achieve precise control of the telescopic arm 207, cover a larger operating range, and adapt to unbalanced loading. For scrap steel at the same position and height, after the working angle of the telescopic arm 207 is adjusted, press the remote control 5 again to control the first up-and-down hydraulic cylinder 208, and use the first up-and-down hydraulic cylinder 208 in combination with the driving rod 209 to drive the telescopic arm 207 to perform telescopic work, so that the trolley can quickly adjust the position of the telescopic arm 207 according to the classification needs of scrap steel at different distances. When the telescopic arm 207 is adjusted to the specified length, start the rotating mechanism 201 to drive the telescopic belt 202 to extend and retract, and use the telescopic belt 202 in combination with the fixed ring 203 to connect the magnetic suction cup 204 to absorb the steel for recovery, and pull the steel from a distance to the storage area of the trolley to avoid missing some steel bar heads, and effectively recover steel at more scattered points.
[0026] After the steel is adsorbed by the magnetic suction cup 204, the rotary mechanism 201 is started again to pull back the telescopic belt 202. While controlling the suction force of the magnetic suction cup 204, the telescopic arm 207 is driven to recover and adjust the angle, so that the magnetic suction cup 204 stops above the storage box 401, and the magnetic suction cup 204 is controlled to drop the adsorbed steel into the storage box 401 for storage. Two sets of partitions 403 are installed inside the storage box 401 to classify and store different waste materials, ensuring that different types of scrap steel are effectively separated, and preventing the scrap steel from being mixed and difficult to transport during transportation. Distinguish and realize classified collection of storage. After the steel is collected, the vehicle body 1 is moved to the unloading area, and the baffle 402 is opened first to unload a part of the steel. Then, the remote controller 5 is used to control the second up-and-down hydraulic cylinder 405 connected to the lifting rod to drive the storage box 401 to tilt and unload the steel in sequence, so that the scrap steel can slide out of the box more easily, speeding up the unloading speed, avoiding direct contact between humans and scrap steel, and avoiding the harm of irregular and sharp steel to the human body. The mechanized drive operation reduces the labor intensity of manual operation and realizes the classified storage of steel.
[0027] Through the above steps, the angle of the telescopic arm 207 is adjusted by using the rotating motor 206 to connect the rotating rod, so as to achieve precise control of the telescopic arm 207, cover a larger operating range, and adapt to scrap steel at different positions and heights. At the same time, the operation is mechanized and driven to reduce the labor intensity of manual operation. The first up-and-down hydraulic cylinder 208 is combined with the driving rod 209 to drive the telescopic arm 207 to perform telescopic work, so that the trolley can quickly adjust the position of the telescopic arm 207 according to the classification needs of scrap steel at different distances, reduce the operation time, and ensure the stability of the telescopic arm 207 during the operation process, avoid accidents caused by the instability of the telescopic arm 207, and ensure the normal operation of the equipment. The slewing mechanism 201 is used to drive the telescopic belt 202 to connect the magnetic suction cup 204 to absorb steel for recovery, and pull the steel from a distance to the storage area of the trolley to avoid partial steel The steel bar heads are missed, and the steel from more scattered points is effectively recovered, realizing the efficient recovery of scrap steel bar heads. The cylinder 306 is used to connect the adjustment rod 304 and the load-bearing plate 305 to assist in supporting the vehicle body 1, providing additional support, so that the vehicle body 1 is more stable when loading scrap steel, reducing the risk of rollover due to unbalanced loading, and ensuring the normal operation of the vehicle body 1. Two sets of partitions 403 are installed inside the storage box 401 to classify and store different waste materials, ensuring that different types of scrap steel are effectively separated, preventing the scrap steel from being mixed and difficult to distinguish during transportation, and realizing classified collection of storage. The lifting rod is used to drive the storage box 401 to tilt and unload the material, so that the scrap steel can slide out of the box more easily, speeding up the unloading speed, while reducing direct manual contact with scrap steel, avoiding the harm of irregular and sharp steel to the human body, and improving overall safety.
[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.
Claims
1. A construction site scrap steel sorting and storage trolley, comprising a trolley body (1); characterized in that: The vehicle body (1) also includes a driving component (2), a supporting component (3), a storage component (4) and a remote controller (5); a driving component (2) for driving the device to adsorb steel materials for recycling is installed at the rear of the vehicle body (1); a supporting component (3) for stably supporting the vehicle body (1) for recycling is installed on the outer side of the driving component (2); The outer end of the driving component (2) is provided with a storage component (4) for classifying and storing the recycled steel materials, and the interior of the vehicle body (1) is provided with a remote controller (5) for controlling the equipment to perform recycling work; the driving component (2) comprises a slewing mechanism (201), a telescopic belt (202), a fixing ring (203), a magnetic suction cup (204), a bracket (205), a rotating motor (206), a telescopic arm (207), a first up-and-down hydraulic cylinder (208), a driving rod (209), a connecting block (210), an auxiliary frame (211) and a fixing block (212); a bracket (205) is provided at the rear of the vehicle body (1), a telescopic arm (207) is provided at one end of the bracket (205), a rotating motor (206) is provided at the outer side of the bracket (205), and a rotating motor (206) is provided between the rotating motor (206) and the bracket (205). The supporting assembly (3) comprises a stabilizing block (301), a movable rod (302), a limiting bolt (303), an adjusting rod (304), a bearing plate (305) and a cylinder (306); the outer side of the slewing mechanism (201) is symmetrically provided with a stabilizing block (301); the interior of the stabilizing block (301) is provided with a movable rod (302); the outer end of the movable rod (302) is provided with a cylinder (306); an adjusting rod (304) is provided between the cylinder (306) and the movable rod (302); the adjusting rod (304) passes through the movable rod (302) and extends to the bottom; one end of the adjusting rod (304) is provided with a bearing plate (305); the outer wall of the stabilizing block (301) is provided with a limiting bolt (303); the movable rod (302) is fixedly connected to the stabilizing block (301) through the limiting bolt (303).
2. A construction site scrap steel classification and storage trolley according to claim 1, characterized in that: A first up-and-down hydraulic cylinder (208) is provided on the outer side of the telescopic arm (207) at the upper end of the bracket (205), a driving rod (209) is provided at one end of the first up-and-down hydraulic cylinder (208), and a connecting block (210) is provided at one end of the driving rod (209).
3. A construction site scrap steel classification and storage trolley according to claim 2, characterized in that: A slewing mechanism (201) is provided at the lower end of the bracket (205), a telescopic belt (202) is provided inside the slewing mechanism (201), the telescopic belt (202) passes through the telescopic arm (207) and extends to the outer end, a fixing ring (203) is provided at one end of the telescopic belt (202), a magnetic suction cup (204) is sleeved on the outer end of the fixing ring (203), an auxiliary frame (211) is provided at the lower end of the telescopic arm (207), and a fixing block (212) is provided between the auxiliary frame (211) and the telescopic arm (207).
4. The construction site scrap steel classification and storage trolley according to claim 1 is characterized by: The storage assembly (4) comprises a storage box (401), a baffle (402), a partition (403), a support plate (404) and a second lifting hydraulic cylinder (405). The storage box (401) is provided at the rear end of the vehicle body (1). The baffle (402) is provided at one end of the storage box (401). Two groups of partitions (403) are provided inside the storage box (401). A pulley is provided between the partition (403) and the storage box (401). The partition (403) is slidably arranged along the inside of the storage box (401) via the pulley.
5. The construction site scrap steel classification and storage trolley according to claim 4 is characterized by: A support plate (404) is provided at the lower end of the storage box (401), a second up-and-down hydraulic cylinder (405) is provided inside the support plate (404), a lifting rod is provided between the second up-and-down hydraulic cylinder (405) and the storage box (401), and the storage box (401) is movably arranged along the rear end of the vehicle body (1) via the lifting rod.