Working bucket device with folding supporting frame

Abstract

A working bucket device with a folding support frame effectively solves the problems that when an existing aerial work bucket is locally adjusted in a narrow space, a working arm on a vehicle is frequently adjusted, the amplitude is large, and adjustment is difficult. Comprising a stand column connected with a vehicle working arm, a working bucket is arranged on the front side of the stand column, a mounting plate is fixed to the bottom of the rear side of the working bucket, two symmetrically-distributed mounting blocks are fixedly connected to the mounting plate, and a first connecting column and a second connecting column which are vertically symmetrical are arranged between the two mounting blocks in a penetrating mode; through the arrangement of the supporting arm, the two auxiliary arms, the mounting block, the stand column, the oil cylinder and the like, when the working bucket is subjected to small-amplitude adjustment, the working bucket can be subjected to small-amplitude position change in the stretching and retracting process of the oil cylinder according to the characteristics of a parallelogram structure, the working arm is prevented from being frequently adjusted, the working efficiency is improved, and the working cost is reduced. After the operation is finished and the working bucket is retracted, the occupied space of the oil cylinder and the connecting piece is very small.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering vehicles, in particular to a working bucket device with a folding support frame. Background Art

[0002] An aerial work vehicle, also known as an aerial work platform or a lifting work platform, is an engineering vehicle designed specifically for aerial work, mainly used to safely lift workers and their required tools and equipment to the height where maintenance, installation, cleaning or other operations need to be carried out.

[0003] Chinese Patent with the application number CN202323211984.1 discloses an aerial work vehicle working bucket, which includes a bottom plate and a guardrail. An access opening is provided on the outer side of the guardrail. The access opening has an upper part and a lower part, and the upper part and the lower part are limited by a horizontal support rod. A movable baffle is provided at the upper part, and an access door is provided at the lower part. Universal wheels are provided below the bottom plate, and the bottom plate is connected to the support arm of the aerial work vehicle through an L-shaped mounting bracket. A swing oil cylinder is provided between the L-shaped mounting bracket and the support arm. A control box is installed above the L-shaped mounting bracket, and the control box is connected to the swing oil cylinder. A safety footrest is provided on the bottom plate, and the safety footrest is connected to the control box. The utility model is safe and convenient for access, can effectively improve the safety of operators during the access process, and can effectively avoid the misoperation of the control box during the operation process, further improving the operation safety.

[0004] However, the existing aerial work buckets are generally at a specific working height and amplitude. When making local adjustments in a narrow space, it is necessary to frequently adjust the working arm on the vehicle, with a large amplitude and difficult adjustment. Summary of the Utility Model

[0005] In view of the above problems, the present invention provides a working bucket device with a folding support frame, which has the advantage of being more convenient for making small-amplitude adjustments to the working bucket in a narrow space.

[0006] The technical solution it adopts is that the utility model includes a column connected to a vehicle working arm. A working bucket is arranged on the front side of the column. A mounting plate is fixed to the bottom of the rear side of the working bucket. Two symmetrically distributed mounting blocks are fixedly connected to the mounting plate. A first connecting column and a second connecting column which are symmetrically arranged up and down respectively penetrate between the two mounting blocks. Both the first connecting column and the second connecting column are rotatably connected to the mounting blocks. The cross-section of the column is a "C"-shaped structure. A support arm is rotatably connected to the top of the column. The support arm is a "C"-shaped structure. One end of the support arm far away from the column is fixedly connected to the first connecting column. Auxiliary arms are rotatably connected to the left and right sides of the column respectively. One ends of the two auxiliary arms far away from the column are respectively fixedly connected to the second connecting column. The lengths of the support arm and the two auxiliary arms are the same;

[0007] An oil cylinder base is fixed to the inner wall of the column. An oil cylinder is rotatably connected to the oil cylinder base. The output end of the oil cylinder is rotatably connected to the first connecting column. The support arm, the mounting blocks, the auxiliary arms and the column form a parallelogram structure.

[0008] Preferably, a fixing plate is fixedly connected to the inner wall of the column. A movable plate which slides up and down is arranged on one side of the fixing plate. The oil cylinder base is fixedly connected to the movable plate. Rack bars are respectively fixed to the left and right sides of the fixing plate. Two symmetrically distributed sliding grooves are formed in the fixing plate. Support columns are respectively fixed to the four corners of the movable plate. The four support columns are respectively inserted into the corresponding sliding grooves. Gears are coaxially fixed to the four support columns respectively. The four gears are respectively meshed with the corresponding rack bars;

[0009] Limit boxes are respectively fixed to the upper and lower sides of the movable plate. A plurality of limiting rods penetrate through the left and right sides of the limit boxes respectively. The plurality of limiting rods and the limit boxes are connected by springs respectively. A plurality of card slots matched with the limiting rods are formed in the movable plate. A shifting rod matched with the card slot is fixedly connected to the limiting rod.

[0010] Preferably, two symmetrically distributed moving grooves are respectively formed in the upper and lower sides of the movable plate. Two moving plates are respectively slidably connected to the left and right sides of the movable plate. The four moving plates respectively slide in the corresponding moving grooves.

[0011] Preferably, a same connecting rod is fixed between the two moving plates which are symmetrically arranged up and down.

[0012] Preferably, the materials of the gears, the rack bars and the plurality of limiting rods are all alloy steel.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Through the settings of the support arm, two sub - arms, mounting block, column and oil cylinder, etc., when making small adjustments to the working bucket, according to the characteristics of the parallelogram structure, during the telescoping process of the oil cylinder, the working bucket can undergo small - amplitude position changes, avoiding frequent adjustment of the working arm, improving work efficiency. At the same time, after the working bucket is retracted at the end of the operation, the occupied space of the oil cylinder and its connecting parts is very small.

[0015] 2. Through the settings of the rack, gear, movable plate and sliding groove, etc., workers can directly control the up - and - down movement of the movable plate to select the position of the oil - cylinder base, making the oil cylinder in the most labor - saving position as much as possible. When adjusting the movable plate, a worker drives the movable plates on both sides to approach each other with one hand. At this time, multiple lever rods drive the limiting rods to disengage from the gear simultaneously, and then move the movable plate to the designated position. After releasing the movable plate, the limiting rods are inserted into the tooth grooves of the gear again under the action of the spring. Compared with the bolt - connection method, this method is simpler and faster, and there will be no problem of multiple punching affecting the supporting strength of the column. Brief Description of the Drawings

[0016] Figure 1 is the three - dimensional view of the present utility model.

[0017] Figure 2 is the schematic diagram of the retracted state of the working bucket in the present utility model.

[0018] Figure 3 is the schematic diagram of the deployed state of the working bucket in the present utility model.

[0019] Figure 4 is the schematic diagram of the fixing plate and its connecting parts in the present utility model.

[0020] Figure 5 is the schematic diagram of the movable plate and its connecting parts in the present utility model.

[0021] Figure 6 is the schematic diagram of the limiting box and its connecting parts in the present utility model.

[0022] Figure 7 is the schematic diagram of the connecting rod and its connecting parts in the present utility model.

[0023] Explanation of the reference numerals in the schematic diagrams:

[0024] 1. Column; 2. Working bucket; 3. Mounting plate; 4. Mounting block; 5. First connecting column; 6. Second connecting column; 7. Support arm; 8. Sub - arm; 9. Oil - cylinder base; 10. Oil cylinder; 11. Fixing plate; 12. Movable plate; 13. Rack; 14. Sliding groove; 15. Support column; 16. Gear; 17. Limiting box; 18. Limiting rod; 19. Card slot; 20. Lever rod; 21. Moving groove; 22. Movable plate; 23. Connecting rod. Detailed Description of the Invention

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] As shown by Figures 1 to 3 , it includes a column 1 connected to the working arm of the vehicle. A working bucket 2 is arranged on the front side of the column 1. A mounting plate 3 is fixed to the bottom of the rear side of the working bucket 2. Two symmetrically distributed mounting blocks 4 are fixedly connected to the mounting plate 3. A first connecting column 5 and a second connecting column 6 that are symmetrically arranged up and down penetrate between the two mounting blocks 4 respectively. Both the first connecting column 5 and the second connecting column 6 are rotatably connected to the mounting blocks 4. The cross-section of the column 1 is a "C"-shaped structure. A support arm 7 is rotatably connected to the top of the column 1. The support arm 7 is also a "C"-shaped structure. One end of the support arm 7 away from the column 1 is fixedly connected to the first connecting column 5. Both the left and right sides of the column 1 are rotatably connected to auxiliary arms 8. It should be noted that the support arm 7 and the auxiliary arms 8 should be made of materials with strong toughness and can withstand large radial loads. One end of each of the two auxiliary arms 8 away from the column 1 is fixedly connected to the second connecting column 6. The support arm 7 and the two auxiliary arms 8 are of the same length;

[0027] An oil cylinder base 9 is fixed to the inner wall of the column 1. An oil cylinder 10 is rotatably connected to the oil cylinder base 9. The output end of the oil cylinder 10 is rotatably connected to the first connecting column 5. The support arm 7, the mounting blocks 4, the auxiliary arms 8 and the column 1 form a parallelogram structure. Through the settings of the support arm 7, the two auxiliary arms 8, the mounting blocks 4, the column 1 and the oil cylinder 10, etc., when making small adjustments to the working bucket 2, according to the characteristics of the parallelogram structure, during the process of the oil cylinder 10 stretching and contracting, the working bucket 2 can make small position changes, avoiding frequent adjustment of the working arm, improving work efficiency. At the same time, after the working bucket 2 is retracted at the end of the operation, the occupied space of the oil cylinder 10 and its connecting parts is very small.

[0028] Refer to Figures 4 to 6As shown, the cylinder base 9 is generally fixed by bolts. In order to make the cylinder 10 in a more labor-saving position, the output end of the cylinder 10 is always connected to the first connecting column 5. The position of the cylinder base 9 needs to be adjusted according to actual needs. At this time, the position of the cylinder base 9 needs to be adjusted multiple times to obtain the best placement position. If the bolt connection method is adopted, it will be very troublesome, time-consuming and labor-intensive. A fixed plate 11 is fixedly connected to the inner wall of the column 1, and a movable plate 12 that slides up and down is provided on one side of the fixed plate 11. The cylinder base 9 is fixedly connected to the movable plate 12, and racks 13 are respectively fixed on the left and right sides of the fixed plate 11. Two symmetrically distributed slide grooves 14 are provided on the fixed plate 11. The four corners of the movable plate 12 are fixed with support columns 15, and the four support columns 15 are respectively inserted into the corresponding slide grooves 14, and the four support columns 15 are coaxially fixed with gears 16, and the four gears 16 are respectively engaged with the corresponding racks 13. It is further supplemented to the slide grooves 14 and the support columns 15 that in order to prevent the movable plate 12 from falling off during the up and down movement, the cross section of the slide groove 14 is a "T"-shaped structure, and the bottom of the support column 15 can be set to a "T"-shaped structure matching the slide groove 14. Through the settings of the rack 13, the gear 16, the movable plate 12 and the slide groove 14, the worker can directly control the up and down movement of the movable plate 12 to select the position of the cylinder base 9, so as to make the cylinder 10 in the most labor-saving position as much as possible;

[0029] In order to facilitate the limiting of the four gears 16, the upper and lower sides of the movable plate 12 are respectively fixed with limit boxes 17, and the left and right sides of the limit box 17 are respectively penetrated with a plurality of limit rods 18, and the plurality of limit rods 18 are respectively connected to the limit box 17 through springs. The movable plate 12 is provided with a plurality of slots 19 matching the limit rods 18, and the limit rod 18 is fixedly connected with a lever 20 matching the slot 19. Through the settings of the limit box 17, the limit rod 18, the slot 19 and the lever 20, when the movable plate 12 is adjusted, the lever 20 is manually moved, and the limit rod 18 is not engaged with the gear 16 at this time. When the lever 20 is released, the limit rod 18 is inserted into the tooth groove of the gear 16 to form a locking connection. Compared with the bolt connection method, this method is simpler and faster, and there will be no problem of multiple punchings affecting the supporting strength of the column 1.

[0030] refer to Figure 5 and Figure 7As shown, considering that it is rather strenuous to manually toggle the toggles 20 when there are a large number of toggles 20, two symmetrically distributed moving grooves 21 are respectively formed on the upper and lower sides of the movable plate 12, and two moving plates 22 are respectively slidably connected to the left and right sides of the movable plate 12. The four moving plates 22 respectively slide in the corresponding moving grooves 21. Through the arrangement of the moving grooves 21 and the moving plates 22, the worker only needs to toggle the moving plates 22 to adjust multiple toggles 20, which is more convenient and labor-saving.

[0031] Reference Figure 7 As shown, in order to facilitate the worker to operate the toggle 20 with one hand, the same connecting rod 23 is fixed between the two vertically symmetric moving plates 22.

[0032] Considering that the rack 13, the gear 16 and the limiting rod 18 need to bear large radial loads, the materials of the gear 16, the rack 13 and the multiple limiting rods 18 are all alloy steel.

[0033] When the present utility model is in use:

[0034] First, the worker drives the moving plates 22 on the left and right sides to approach each other with one hand. At this time, multiple toggles 20 drive the limiting rods 18 to simultaneously disengage from the gear 16, and then move the movable plate 12 to a specified position. Release the moving plate 22, and the limiting rod 18 is inserted into the tooth groove of the gear 16 again under the action of the spring;

[0035] It should be noted that for the determination of the position of the oil cylinder base 9, it is generally necessary to repeat it more than twice to determine the relatively labor-saving position of the oil cylinder 10;

[0036] Then, when making a small adjustment to the working bucket 2, control the telescopic amount of the oil cylinder 10. According to the characteristics of the parallelogram structure, during the telescopic process of the oil cylinder 10, the working bucket 2 can make a small position change.

[0037] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A working bucket device with a folding support frame, comprising a column (1) connected to a vehicle working arm, characterized in that: A working bucket (2) is arranged at the front side of the column (1), a mounting plate (3) is fixed at the bottom of the rear side of the working bucket (2), two symmetrically distributed mounting blocks (4) are fixedly connected to the mounting plate (3), a first connecting column (5) and a second connecting column (6) symmetrically arranged above and below are respectively penetrated between the two mounting blocks (4), the first connecting column (5) and the second connecting column (6) are both rotatably connected to the mounting block (4), the cross section of the column (1) is a "C"-shaped structure, the top of the column (1) is rotatably connected to a support arm (7), the support arm (7) is a "C"-shaped structure, one end of the support arm (7) away from the column (1) is fixedly connected to the first connecting column (5), the left and right sides of the column (1) are both rotatably connected to auxiliary arms (8), one end of the two auxiliary arms (8) away from the column (1) is respectively fixedly connected to the second connecting column (6), and the length of the support arm (7) is consistent with that of the two auxiliary arms (8); A cylinder base (9) is fixed on the inner wall of the column (1), a cylinder (10) is rotatably connected to the cylinder base (9), an output end of the cylinder (10) is rotatably connected to the first connecting column (5), and the support arm (7), the mounting block (4), the auxiliary arm (8) and the column (1) form a parallelogram structure; A fixed plate (11) is fixedly connected to the inner wall of the column (1), a movable plate (12) that slides up and down is arranged on one side of the fixed plate (11), the oil cylinder base (9) is fixedly connected to the movable plate (12), racks (13) are fixed to the left and right sides of the fixed plate (11), two symmetrically distributed slide grooves (14) are provided on the fixed plate (11), support columns (15) are fixed to the four corners of the movable plate (12), the four support columns (15) are respectively inserted into the corresponding slide grooves (14), gears (16) are coaxially fixed to the four support columns (15), and the four gears (16) are respectively meshed with the corresponding racks (13).

2. A working bucket device with a foldable support frame according to claim 1, characterized in that: The upper and lower sides of the movable plate (12) are respectively fixed with limit boxes (17); the left and right sides of the limit box (17) are respectively penetrated with a plurality of limit rods (18); the plurality of limit rods (18) are respectively connected to the limit box (17) through springs; the movable plate (12) is provided with a plurality of slots (19) matching the limit rods (18); the limit rods (18) are fixedly connected with a lever (20) matching the slots (19).

3. A working bucket device with a foldable support frame according to claim 2, characterized in that: Two symmetrically distributed moving grooves (21) are respectively provided on the upper and lower sides of the movable plate (12); two moving plates (22) are respectively slidably connected to the left and right sides of the movable plate (12); and the four moving plates (22) slide in the corresponding moving grooves (21).

4. A working bucket device with a foldable support frame according to claim 3, characterized in that: A common connecting rod (23) is fixed between the two movable plates (22) which are symmetrical in vertical direction.

5. A working bucket device with a foldable support frame according to claim 4, characterized in that: The gear (16), the rack (13) and the plurality of limiting rods (18) are all made of alloy steel.

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