Electric flat carriage capable of loading and unloading goods
By setting up a translation rack, a gantry and a fork rack on the electric flat car, the automatic loading and unloading of goods is achieved, which solves the problem that the electric flat car cannot load and unload goods independently, and enhances its practicality and application scope.
Patent Information
- Application Number
- CN202422896200.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Electric flat trucks cannot load and unload goods independently, and require the cooperation of lifting equipment or handling equipment, which limits its application scope.
Set up a translation frame, a gantry and a fork rack on the electric flat car. The automatic loading and unloading of goods is achieved through the translation motor and telescopic cylinder. The motor adjusts the spacing of the fork racks to adapt to different cargo specifications, which increases the convenience of loading and unloading of goods by the electric flat car. and practicality.
It realizes that electric flat vehicles can independently complete cargo loading and unloading tasks without the support of external lifting equipment, broaden their application scope and enhance the stability of the loading and unloading process.
Smart Images
Figure CN222310464U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric flat cars, in particular to an electric flat car capable of loading and unloading goods. Background Art
[0002] An electric flat car, also known as an electric flatbed car, trolley, ground crawler, etc., is an electric transport vehicle that runs automatically under the drive of a motor reducer. It is a flatbed car with a flat surface and no box cover. Under special circumstances, it can also be non-flat but without a box cover. The car body has no steering wheel and can automatically move along the planned route.
[0003] In the application scenarios of electric flat carts, electric flat carts cannot load and unload goods independently, and the transportation of goods requires the cooperation of lifting equipment or handling equipment, which limits the application scope of electric flat carts.
[0004] Therefore, the present application provides an electric flat car that can load and unload goods to meet the needs. Utility Model Content
[0005] The purpose of the present application is to provide an electric flat cart that can load and unload goods. A fork frame is arranged on the electric flat cart to realize the autonomous loading and unloading of goods by the electric flat cart, improve the convenience of loading and unloading goods by the electric flat cart, and enhance the practicality of the electric flat cart.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an electric flat car capable of loading and unloading goods, comprising an electric flat car, a translation frame is slidably connected to the top of the electric flat car, a translation motor and a telescopic cylinder are provided on the translation frame, and the translation motor drives the translation frame to move forward and backward;
[0007] A gantry is vertically slidably disposed on the translation frame, and the telescopic cylinder drives the gantry to move up and down;
[0008] The lower part of the door frame is provided with a mounting beam, the mounting beams are provided in two groups and are arranged in parallel, the front sides of the mounting beams are provided with a cross beam, the cross beams are slidably connected with a fork frame, the fork frame is provided in two groups and is symmetrical on the left and right;
[0009] An adjusting motor is provided at the bottom middle side of the upper cross beam, and screws with opposite rotation directions are symmetrically connected to both ends of the rotating shaft of the adjusting motor. The rear side of each group of fork frames is a vertical plate, and sliders are provided on the vertical plates. The two groups of sliders are symmetrically distributed on the left and right sides of the adjusting motor, and the two groups of sliders are respectively threadedly connected on the two groups of screws, so as to facilitate the rapid and stable adjustment of the distance between the fork frames to adapt to different cargo loading and unloading conditions.
[0010] Preferably, a base is provided on the top of the electric flat cart, and translation guide rails are symmetrically provided on the left and right sides of the top surface of the base, and guide blocks are symmetrically provided on the left and right sides of the translation frame. The guide blocks are slidably connected in the translation guide rails, and the translation guide rails limit the upper and lower sides and outer sides of the guide blocks.
[0011] Preferably, rollers are symmetrically arranged on the top and bottom surfaces of the guide block, and there are two groups of rollers on the same surface distributed front to back, and the rollers are used to reduce the friction between the guide block and the translation guide rail.
[0012] Preferably, a rack is provided on the base, the rack is longitudinally arranged front to back, a positioning plate is provided on the translation frame, the translation motor is provided on the positioning plate, a driving gear is provided at the shaft end of the translation motor, and the driving gear is meshed with the rack.
[0013] Preferably, both front and rear ends of the base are provided with baffles, the top surface of the rack is lower than the top surface of the baffle, and the baffle cooperates with the positioning plate to limit the travel of the translation frame.
[0014] Preferably, lifting rails are vertically provided on the translation frame, and there are two groups of lifting rails that are symmetrical on the left and right. The lifting rails are located on the inner side of the translation guide rails, and the left and right sides of the door frame are slidably connected in the lifting rails. The lifting rails limit the front, back and outer sides of the door frame.
[0015] Preferably, the middle portion of the top surface of the translation frame is hinged to the fixed end of the telescopic cylinder, and the movable end of the telescopic cylinder is hinged to the top rear side of the door frame.
[0016] Preferably, mounting grooves are symmetrically provided on the front side of the electric flat cart, and electric cylinders are provided in the mounting grooves. Support feet are provided at the telescopic ends of the electric cylinders, which can support the ground when transporting goods and enhance stability.
[0017] Preferably, the rear side of the vertical plate is provided with hooks, and the hooks are provided in two groups and distributed up and down, and the hooks are matched with the crossbeam.
[0018] In summary, the technical effects and advantages of the utility model are:
[0019] The utility model can realize automatic loading and unloading operations of goods by installing devices such as a translation frame, a door frame and a fork frame on the top of the electric flat cart. The translation frame is driven by a translation motor to move forward and backward, and the telescopic cylinder drives the door frame to rise and fall, so that the electric flat cart has the function of forklifting goods and can independently complete the task of loading and unloading goods, thereby enhancing the practicability of the electric flat cart and enabling it to freely carry out cargo handling operations without the support of external lifting equipment, thereby greatly broadening the application scope of the electric flat cart.
[0020] The utility model uses an adjusting motor to drive a lead screw to drive a fork frame to move, and adjusts the distance between two sets of fork frames, so as to adapt to various cargo loading specifications, meet the loading and unloading requirements of different cargoes, enhance the practicability of the electric flat car for loading and unloading cargoes, and utilizes the support feet arranged on the front side to support the electric flat car when loading and unloading cargoes, thereby enhancing the stability of the loading and unloading process. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.
[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0023] Figure 2 This is a schematic diagram of the structure of the translation frame of the utility model;
[0024] Figure 3 This is a schematic diagram of the door frame structure of the utility model;
[0025] Figure 4 This is a schematic diagram of the fork frame structure of the utility model.
[0026] In the figure: 1. Electric flat car; 2. Translation frame; 3. Door frame; 4. Fork frame; 10. Base; 11. Translation guide rail; 12. Rack; 13. Baffle bar; 14. Support foot; 20. Guide block; 21. Lifting rail; 22. Roller; 23. Positioning plate; 24. Translation motor; 25. Telescopic cylinder; 30. Mounting beam; 31. Crossbeam; 32. Adjustment motor; 33. Screw; 40. Vertical plate; 41. Hook; 42. Slider. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] Example: Reference Figure 1-4 An electric flat car for loading and unloading goods shown in the figure comprises an electric flat car 1, a translation frame 2 is slidably connected to the top of the electric flat car 1, a translation motor 24 and a telescopic cylinder 25 are provided on the translation frame 2, and the translation motor 24 drives the translation frame 2 to move forward and backward;
[0029] A gantry 3 is vertically slidable on the translation frame 2, and a telescopic cylinder 25 drives the gantry 3 to move up and down;
[0030] The lower part of the door frame 3 is provided with a mounting beam 30, and there are two sets of mounting beams 30 which are arranged in parallel up and down. The front side of the mounting beams 30 is provided with a cross beam 31, and two sets of left-right symmetrical fork frames 4 are slidably connected to the cross beam 31;
[0031] An adjusting motor 32 is provided at the bottom middle side of the upper cross beam 31, and screws 33 with opposite rotation directions are symmetrically connected at both ends of the rotating shaft of the adjusting motor 32. The rear side of each set of fork frames 4 is a vertical plate 40, and a slider 42 is provided on the vertical plate 40. The two sets of sliders 42 are symmetrically distributed on the left and right sides of the adjusting motor 32, and the two sets of sliders 42 are respectively threadedly connected on the two sets of screws 33.
[0032] As an implementation method in this embodiment, in order to guide and limit the translation frame 2, as shown in FIG. Figure 1 , Figure 2 As shown, a base 10 is provided on the top of the electric flat car 1, and translation guide rails 11 are symmetrically provided on the left and right sides of the top surface of the base 10, and guide blocks 20 are symmetrically provided on the left and right sides of the translation frame 2. The guide blocks 20 are slidably connected in the translation guide rails 11, and the translation guide rails 11 limit the upper and lower sides and the outer side of the guide blocks 20.
[0033] As an implementation method in this embodiment, in order to facilitate the smooth movement of the guide block 20 in the translation guide rail 11, as shown in FIG. Figure 1 , Figure 2 As shown, rollers 22 are symmetrically arranged on the top and bottom surfaces of the guide block 20 . There are two groups of rollers 22 on the same surface and they are distributed front to back. The rollers 22 are used to reduce the friction between the guide block 20 and the translation guide rail 11 .
[0034] As an implementation method in this embodiment, in order to facilitate the control of the translation frame 2 to move, as shown in FIG. Figure 1 As shown, the base 10 is provided with a front-to-rear longitudinal rack 12 , the translation frame 2 is provided with a positioning plate 23 , the positioning plate 23 is provided with a translation motor 24 , and the shaft end of the translation motor 24 is provided with a driving gear meshing with the rack 12 .
[0035] As an implementation method in this embodiment, in order to facilitate the limitation of the moving path of the translation frame 2 on the electric flat car 1, as shown in FIG. Figure 1 , Figure 2 As shown, both front and rear ends of the base 10 are provided with stop bars 13 , the top surface of the rack 12 is lower than the top surface of the stop bar 13 , and the stop bar 13 cooperates with the positioning plate 23 to limit the travel of the translation frame 2 .
[0036] As an implementation method in this embodiment, in order to ensure the stable lifting of the door frame 3, as Figure 1 , Figure 2As shown, a lifting rail 21 is vertically provided on the translation frame 2. There are two groups of lifting rails 21 which are symmetrical on the left and right. The lifting rails 21 are located on the inner side of the translation guide rail 11. The left and right sides of the door frame 3 are slidably connected in the lifting rails 21. The lifting rails 21 limit the front, back and outer sides of the door frame 3.
[0037] As an implementation method in this embodiment, in order to achieve the effect of controlling the lifting of the door frame 3, as shown in FIG. Figure 1 , Figure 2 As shown, the middle part of the top surface of the translation frame 2 is hinged to the fixed end of the telescopic cylinder 25, and the movable end of the telescopic cylinder 25 is hinged to the top rear side of the door frame 3.
[0038] As an implementation method in this embodiment, in order to enhance the stability during loading and unloading of goods, Figure 1 As shown, the front side of the electric flat car 1 is symmetrically provided with mounting grooves, and electric cylinders are arranged in the mounting grooves. The telescopic ends of the electric cylinders are provided with supporting feet 14.
[0039] As an implementation method in this embodiment, in order to facilitate the assembly of the fork frame 4, as shown in FIG. Figure 3 , Figure 4 As shown, two groups of hooks 41 distributed up and down are provided on the rear side of the vertical plate 40 , and the hooks 41 are matched with the cross beam 31 .
[0040] The utility model works as follows: when the electric flat cart 1 is loaded with goods, the translation motor 24 is started, and the transmission is transmitted through the driving gear and the rack 12, driving the translation frame 2 to move forward to the front end of the base 10, and the front end blocking bar 13 blocks the positioning plate 23 from continuing to move forward, and then the translation motor 24 is paused, and the telescopic cylinder 25 is retracted, driving the door frame 3 and the fork frame 4 at the bottom thereof to fall down, and after the telescopic cylinder 25 is fully retracted, the fork frame 4 falls to the ground, and then according to the volume of the goods, the adjustment motor 32 at the bottom of the mounting beam 30 is started, driving the lead screw 33 to rotate, driving the slider 42 to move toward or oppositely, driving the vertical plate 40 to move, and the hook 41 cooperates with the crossbeam 31 for guiding, so that the two sets of fork frames 4 move toward or oppositely accordingly, thereby adjusting the distance between the two sets of fork frames 4, and after the adjustment is completed, the electric flat cart 1 moves, driving the fork frame 4 to move, and the fork frame 4 is fully inserted into the cargo bracket. When the door frame 3 is raised, it drives the fork frame 4 to lift the goods. When the telescopic cylinder 25 is extended to the limit, the fork frame 4 is located above the translation guide rail 11. Then the translation motor 24 is started in reverse to drive the translation frame 2 to move backward and drive the goods to move onto the electric flat cart 1. During this process, the rollers 22 on the upper and lower sides of the guide block 20 contact the translation guide rail 11 to reduce the friction during the displacement process until the rear baffle 13 blocks and positions the positioning plate 23. The translation motor 24 is turned off. Then the electric cylinder retracts the support leg 14. The electric flat cart 1 can move and transport the goods. When the goods are transported to the unloading location, the goods are placed at the unloading location according to the above principle.
[0041] The electromechanical connection involved in the present utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of tests, which belongs to common knowledge.
[0042] Components not described in detail herein are prior art.
[0043] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. An electric flat car capable of loading and unloading goods, comprising an electric flat car (1), characterized in that: The top of the electric flat car (1) is slidably connected to a translation frame (2), and the translation frame (2) is provided with a translation motor (24) and a telescopic cylinder (25), and the translation motor (24) drives the translation frame (2) to move forward and backward; A door frame (3) is vertically slidably disposed on the translation frame (2), and the telescopic cylinder (25) drives the door frame (3) to move up and down; The lower part of the door frame (3) is provided with a mounting beam (30), the mounting beam (30) has two groups and is arranged in parallel, the front side of each mounting beam (30) is provided with a cross beam (31), the cross beam (31) is slidably connected to a fork frame (4), the fork frame (4) has two groups and is symmetrical on both sides; An adjusting motor (32) is provided at the bottom of the middle part of the upper cross beam (31), and screws (33) with opposite rotation directions are symmetrically connected to the two ends of the rotating shaft of the adjusting motor (32). The rear side of each group of fork frames (4) is a vertical plate (40), and a slider (42) is provided on the vertical plate (40). Two groups of the sliders (42) are symmetrically distributed on the left and right sides of the adjusting motor (32), and the two groups of the sliders (42) are respectively threadedly connected to the two groups of the screws (33).
2. The electric flat car capable of loading and unloading goods according to claim 1, characterized in that: A base (10) is provided on the top of the electric flat car (1), and translation guide rails (11) are symmetrically provided on the left and right sides of the top surface of the base (10), and guide blocks (20) are symmetrically provided on the left and right sides of the translation frame (2), and the guide blocks (20) are slidably connected in the translation guide rails (11), and the translation guide rails (11) limit the upper and lower sides and the outer side of the guide blocks (20).
3. An electric flat car capable of loading and unloading goods according to claim 2, characterized in that: The top and bottom surfaces of the guide block (20) are symmetrically provided with rollers (22), and there are two groups of rollers (22) on the same surface, which are distributed front and back. The rollers (22) are used to reduce the friction between the guide block (20) and the translation guide rail (11).
4. The electric flat car capable of loading and unloading goods according to claim 2, characterized in that: The base (10) is provided with a rack (12), the rack (12) is longitudinally arranged front to back, the translation frame (2) is provided with a positioning plate (23), the positioning plate (23) is provided with the translation motor (24), and the shaft end of the translation motor (24) is provided with a driving gear, and the driving gear is meshed with the rack (12).
5. The electric flat car capable of loading and unloading goods according to claim 4, characterized in that: Baffles (13) are provided at both the front and rear ends of the base (10); the top surface of the rack (12) is lower than the top surface of the baffle (13); and the baffle (13) cooperates with the positioning plate (23) to limit the travel of the translation frame (2).
6. The electric flat car capable of loading and unloading goods according to claim 2, characterized in that: The translation frame (2) is vertically provided with lifting rails (21), and the lifting rails (21) have two groups and are symmetrical on the left and right. The lifting rails (21) are located on the inner side of the translation guide rail (11), and the left and right sides of the door frame (3) are slidably connected in the lifting rails (21). The lifting rails (21) limit the front and rear sides and the outer side of the door frame (3).
7. The electric flat car capable of loading and unloading goods according to claim 6, characterized in that: The middle portion of the top surface of the translation frame (2) is hinged to the fixed end of the telescopic cylinder (25), and the movable end of the telescopic cylinder (25) is hinged to the top rear side of the door frame (3).
8. The electric flat car capable of loading and unloading goods according to claim 1, characterized in that: The front side of the electric flat car (1) is symmetrically provided with mounting grooves, each of which is provided with an electric cylinder, and the telescopic end of the electric cylinder is provided with a support foot (14).
9. The electric flat car capable of loading and unloading goods according to claim 1, characterized in that: The rear side of the vertical plate (40) is provided with a hook (41), and the hooks (41) are provided in two groups and are distributed up and down, and the hooks (41) are matched with the crossbeam (31).