A hydraulic device for automatic clamping of bucket rods

Abstract

The utility model belongs to the technical field of excavators, and specifically is a boom processing automatic clamping hydraulic equipment comprising a base; a hydraulic positioning mechanism is fixedly connected to the right side of the upper end of the base; a conveying mechanism is fixedly connected to the upper end of the base; a positioning frame is fixedly connected to the left side of the upper end of the base; a first hydraulic cylinder is fixedly connected to the front and rear sides of the upper end of the positioning frame; and a fixing frame is fixedly connected to the upper end of the first hydraulic cylinder. The utility model provides a boom processing automatic clamping hydraulic equipment, and a second hydraulic cylinder is fixedly connected to the opposite side of the inner cavity of the protective box. Through the coordinated use of the above-mentioned structures, automatic positioning and clamping of the workpiece can be achieved, which not only achieves the effect of facilitating rapid fixing and processing of the boom, but also improves processing accuracy and efficiency. Moreover, through the unique structural design of the piston, it is achieved that it is easy to fix the booms at different angles and it is convenient for the staff to process the booms.

Description

Technical Field

[0001] The utility model belongs to the technical field of excavators, in particular to a bucket rod processing automatic clamping hydraulic device. Background Art

[0002] The boom is generally a straight, integral, closed box-type welded component that is symmetrical on both sides and of equal width. It is hinged to the upper end of the boom. The boom can be rotated around the hinge point at the upper end of the boom by utilizing the stroke change of the boom cylinder installed on the upper plane of the boom beam. The boom is the most flexible of the three-section robotic arm, and its expected force condition is the smallest. Its main function is to control the adjustment of operating accessories within a small range.

[0003] At present, the clamping method used in the prior art when processing the boom is to place the workpiece on a base, and to center it by cooperating between the stop on the base and the inner ring of the workpiece. This centering method is fixed centering, that is, each workpiece is centered by the same stop.

[0004] The existing boom is mainly centered by using the stopper and the inner ring of the workpiece during processing and positioning, which is not convenient for rapid positioning hydraulic processing of the boom. Therefore, an automatic clamping hydraulic device for boom processing is proposed to address the above problem. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes an automatic clamping hydraulic device for bucket arm processing.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes an automatic clamping hydraulic equipment for boom processing, comprising a base; a hydraulic positioning mechanism is fixedly connected to the right side of the upper end of the base; a conveying mechanism is fixedly connected to the upper end of the base; a positioning frame is fixedly connected to the left side of the upper end of the base; a first hydraulic cylinder is fixedly connected to the front and rear sides of the upper end of the positioning frame; a fixing frame is fixedly connected to the upper end of the first hydraulic cylinder; a positioning block is movably connected to the lower end of the fixing frame; a support plate is fixedly connected to the front and rear sides of the upper right end of the positioning frame; a protective box is fixedly connected to the upper end of the support plate; a second hydraulic cylinder is fixedly connected to the opposite side of the inner cavity of the protective box; a piston is fixedly connected to the output shaft of the second hydraulic cylinder; and a downward pressure component is fixedly connected to the right side of the protective box.

[0007] Preferably, the pressing assembly includes a connecting rod; the left side of the connecting rod is fixedly connected to the right side of the protective box; a movable plate is sleeved on the surface of the connecting rod; the movable plate is slidably connected to the connecting rod; the left side of the movable plate is fixedly connected to a connecting frame; the connecting frame is fixedly connected to the right side of the fixed frame; the upper end of the movable plate is fixedly connected to a motor; a rotating shaft is fixedly connected to the output shaft of the motor; the lower end of the rotating shaft is fixedly connected to a rocker; movable rods are hinged on both sides of the rocker; a clamping plate is hinged on the opposite side of the movable rod; the upper end of the clamping plate is movably connected to the lower end of the movable plate through a slide rail; the inner cavity of the clamping plate is movably connected to a positioning assembly.

[0008] Preferably, the positioning assembly includes a supporting plate; the supporting plate is fixedly connected to a card plate; a pull rod is movably connected to the inner cavity of the supporting plate; a spring is sleeved on the surface of the pull rod; a positioning ring is fixedly connected to the left side of the spring; the positioning ring is fixedly connected to the pull rod; a pressure plate is movably connected to the surface of the pull rod; and the pressure plate is movably connected to the inner cavity of the card plate.

[0009] Preferably, the front side and the rear side of the base are both fixedly connected to a support frame; the inner cavity of the support frame is movably connected to a positioning column.

[0010] Preferably, a reinforcement plate is fixedly connected to the lower end of the second hydraulic cylinder; and a side of the reinforcement plate close to the positioning frame is fixedly connected to the positioning frame.

[0011] Preferably, a positioning bolt is fixedly connected to the surface of the reinforcement plate; the positioning bolt passes through the reinforcement plate and is fixedly connected to the positioning frame.

[0012] Preferably, a fixed flange is fixedly connected to the surface of the motor; and the fixed flange is fixedly connected to the upper end of the movable plate.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides an automatic clamping hydraulic device for boom processing. Through the coordinated use of the above-mentioned structure, the workpiece can be quickly and automatically positioned and clamped, which not only facilitates the rapid fixation and clamping processing of the boom, but also improves the processing accuracy and efficiency. Through the unique structural design of the piston, it is easy to fix the boom at different angles and facilitate the staff to process the boom.

[0015] 2. The utility model provides an automatic clamping hydraulic device for boom processing. When the boom is positioned and processed hydraulically, the first hydraulic cylinder is started to drive the fixed frame to move, the fixed frame drives the connecting frame to move, and then the motor is started to drive the rotating shaft to rotate, the rotating shaft drives the rocker and the movable rod to move, and then the movable rod drives the clamping plate to move, and then the boom is fixed by the clamping plate. Through the coordinated use of the above-mentioned structure, the tail of the boom is fixed when the boom is hydraulically processed, thereby preventing the tail of the boom from tilting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is an overall stereogram of the utility model;

[0018] Figure 2 It is a schematic diagram of the conveying mechanism in the utility model;

[0019] Figure 3 It is a schematic diagram of the explosion structure in the utility model;

[0020] Figure 4 It is a schematic diagram of the connecting rod structure in the utility model;

[0021] Figure 5 This utility model Figure 4 The enlarged schematic diagram at A in the middle;

[0022] Figure 6 It is a schematic diagram of the positioning component structure in the utility model.

[0023] Legend:

[0024] 1. Base; 2. Hydraulic positioning mechanism; 3. Conveying mechanism; 4. Positioning frame; 5. First hydraulic cylinder; 6. Fixed frame; 7. Positioning block; 8. Support plate; 9. Protective box; 10. Second hydraulic cylinder; 11. Piston; 12. Support frame; 13. Positioning column; 14. Reinforcement plate; 101. Connecting rod; 102. Moving plate; 103. Connecting frame; 104. Motor; 105. Rotating shaft; 106. Rocker; 107. Movable rod; 108. Card plate; 201. Load-bearing plate; 202. Pull rod; 203. Spring; 204. Positioning ring; 205. Pressure plate. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] Specific examples are given below.

[0027] See also Figure 1-Figure 6 The utility model provides an automatic clamping hydraulic device for boom processing, comprising a base 1; a hydraulic positioning mechanism 2 is fixedly connected to the right side of the upper end of the base 1; a conveying mechanism 3 is fixedly connected to the upper end of the base 1; a positioning frame 4 is fixedly connected to the left side of the upper end of the base 1; the front and rear sides of the upper end of the positioning frame 4 are fixedly connected to a first hydraulic cylinder 5; the upper end of the first hydraulic cylinder 5 is fixedly connected to a fixing frame 6; the lower end of the fixing frame 6 is movably connected to a positioning block 7; the front and rear sides of the upper right side of the positioning frame 4 are fixedly connected to a support plate 8; the upper end of the support plate 8 is fixedly connected to a protective box 9; the opposite side of the inner cavity of the protective box 9 is fixedly connected to a second hydraulic cylinder 10; a piston 11 is fixedly connected to the output shaft of the second hydraulic cylinder 10; the right side of the protective box 9 is fixedly connected to a pressing assembly, through which the boom is pressed against the bottom of the protective box 9. During hydraulic processing, the boom is assembled by placing it on the hydraulic positioning mechanism 2, and then transported to a position close to the first hydraulic cylinder 5 by the conveying mechanism 3. The first hydraulic cylinder 5 is started to drive the fixing frame 6 to move, and the fixing frame 6 drives the positioning block 7 to move to fix the boom for hydraulic processing. Then, the second hydraulic cylinder 10 is started and the piston 11 is driven by the second hydraulic cylinder 10 to fix both sides of the front side of the boom. Through the coordinated use of the above-mentioned structures, automatic positioning and clamping of the workpiece can be achieved, which not only achieves the effect of facilitating rapid fixing and processing of the boom, but also improves the processing accuracy and efficiency. Moreover, through the unique structural design of the piston 11, it is easy to fix the boom at different angles, so that the staff can process the boom conveniently.

[0028] Further, such as Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the pressing assembly includes a connecting rod 101; the left side of the connecting rod 101 is fixedly connected to the right side of the protective box 9; a movable plate 102 is sleeved on the surface of the connecting rod 101; the movable plate 102 is slidably connected to the connecting rod 101; the left side of the movable plate 102 is fixedly connected to a connecting frame 103; the connecting frame 103 is fixedly connected to the right side of the fixed frame 6; the upper end of the movable plate 102 is fixedly connected to a motor 104; a rotating shaft 105 is fixedly connected to the output shaft of the motor 104; a rocker 106 is fixedly connected to the lower end of the rotating shaft 105; both sides of the rocker 106 are hinged with movable rods 107; the opposite side of the movable rod 107 is hinged with a clamping plate 108; the upper end of the clamping plate 108 It is movably connected to the lower end of the movable plate 102 through a slide rail; the inner cavity of the clamping plate 108 is movably connected with a positioning component. When the boom is positioned by hydraulic processing, the fixed frame 6 is driven to move by starting the first hydraulic cylinder 5, and the connecting frame 103 is driven to move by the fixed frame 6, and then the rotating shaft 105 is driven to rotate by starting the motor 104, and the rocker 106 and the movable rod 107 are driven to move by the rotating shaft 105, and then the clamping plate 108 is driven to move by the movable rod 107, and then the boom is fixed by the clamping plate 108. Through the coordinated use of the above-mentioned structure, the tail of the boom is fixed when the boom is hydraulically operated to prevent the tail of the boom from tilting.

[0029] Further, such as Figure 6 As shown, the positioning assembly includes a bearing plate 201; the bearing plate 201 is fixedly connected to the card plate 108; the inner cavity of the bearing plate 201 is movably connected with a pull rod 202; the surface of the pull rod 202 is sleeved with a spring 203; the left side of the spring 203 is fixedly connected with a positioning ring 204; the positioning ring 204 is fixedly connected to the pull rod 202; the surface of the pull rod 202 is movably connected with a pressure plate 205; the pressure plate 205 is movably connected to the inner cavity of the card plate 108, and its bucket arm is pressed down by the card plate 108. When the pressure plate 205 is damaged or needs maintenance, the positioning ring 204 is driven by pulling the pull rod 202 to compress its spring 203, and then it is moved to a side away from the pressure plate 205 through the pull rod 202, and then the pressure plate 205 is moved to be replaced or maintained. Through the coordinated use of the above-mentioned structure, the effect of facilitating the replacement or maintenance of the pressure plate 205 when the equipment is in use is achieved.

[0030] Further, such as Figure 3 As shown, the front and rear sides of the base 1 are fixedly connected to a support frame 12; the inner cavity of the support frame 12 is movably connected to a positioning column 13, and the inner circle of the boom is overlapped with the support frame 12, and then the positioning is performed by moving the positioning column 13. Through the coordinated use of the above-mentioned structure, the effect of facilitating and quickly positioning the boom is achieved.

[0031] Further, such as Figure 1As shown, a reinforcing plate 14 is fixedly connected to the lower end of the second hydraulic cylinder 10; the reinforcing plate 14 is fixedly connected to the positioning frame 4 on one side close to the positioning frame 4, and the second hydraulic cylinder 10 and the positioning frame 4 are reinforced by the reinforcing plate 14, thereby preventing the second hydraulic cylinder 10 from moving when the equipment is in use.

[0032] Further, such as Figure 1 As shown, the surface of the reinforcement plate 14 is fixedly connected with a positioning bolt; the positioning bolt passes through the reinforcement plate 14 and is fixedly connected to the positioning frame 4. By arranging the positioning bolt on the surface of the reinforcement plate 14, the reinforcement plate 14 is reinforced.

[0033] Further, such as Figure 6 As shown, a fixed flange is fixedly connected to the surface of the motor 104; the fixed flange is fixedly connected to the upper end of the movable plate 102, and by setting the motor 104, the fixed flange and the movable plate 102 for coordinated use, the effect of limiting the motor 104 when the device is in use is achieved.

[0034] Working principle: When the boom is hydraulically processed, the boom is put into the hydraulic positioning mechanism 2 for assembly, and then transported to a position close to the first hydraulic cylinder 5 by the conveying mechanism 3. The first hydraulic cylinder 5 is started to drive the fixing frame 6 to move, and the fixing frame 6 drives the positioning block 7 to move to fix the boom for hydraulic processing, and then the second hydraulic cylinder 10 is started, and the piston 11 is driven by the second hydraulic cylinder 10 to fix both sides of the front side of the boom. Through the coordinated use of the above structure, the automatic positioning and clamping of the workpiece can be realized, which not only achieves the effect of facilitating the rapid fixing and processing of the boom The processing accuracy and efficiency are improved, and the unique structural design of the piston 11 makes it easy to fix the bucket arms at different angles and facilitate the workers to process the bucket arms. When the bucket arms are positioned and processed hydraulically, the first hydraulic cylinder 5 is started to drive the fixing frame 6 to move, and the fixing frame 6 drives the connecting frame 103 to move, and then the motor 104 is started to drive the rotating shaft 105 to rotate, and the rotating shaft 105 drives the rocking rod 106 and the movable rod 107 to move, and then the movable rod 107 drives the clamping plate 108 to move, and then the bucket arms are fixed by the clamping plate 108. The coordinated use of the above structures achieves the effect of fixing the tail of the boom when the boom is hydraulically operated to prevent the tail of the boom from tilting up, pressing the boom downward through the clamping plate 108, and when the pressure plate 205 is damaged or needs maintenance, the positioning ring 204 is driven by pulling the pull rod 202 to compress the spring 203, and then the pull rod 202 is moved to the side away from the pressure plate 205, and then the pressure plate 205 is moved to be replaced or maintained. The coordinated use of the above structures achieves the effect of facilitating the replacement or maintenance of the pressure plate 205 when the equipment is in use, and the inner ring of the boom and the support frame are connected 12 overlap with each other, and then the positioning column 13 is moved for positioning. The above-mentioned structure is used in coordination to achieve the effect of facilitating and quickly positioning the boom. The second hydraulic cylinder 10 and the positioning frame 4 are reinforced by the reinforcement plate 14, thereby preventing the second hydraulic cylinder 10 from moving when the equipment is in use. The reinforcement plate 14 is provided with a positioning bolt on the surface to reinforce the reinforcement plate 14. The motor 104, the fixed flange and the movable plate 102 are used in coordination to limit the motor 104 when the equipment is in use.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A boom processing automatic clamping hydraulic device, comprising a base (1); characterized in that: The right side of the upper end of the base (1) is fixedly connected to a hydraulic positioning mechanism (2); the upper end of the base (1) is fixedly connected to a conveying mechanism (3); the left side of the upper end of the base (1) is fixedly connected to a positioning frame (4); the front and rear sides of the upper end of the positioning frame (4) are fixedly connected to a first hydraulic cylinder (5); the upper end of the first hydraulic cylinder (5) is fixedly connected to a fixing frame (6); the lower end of the fixing frame (6) is movably connected to a positioning block (7); the front and rear sides of the right side of the upper end of the positioning frame (4) are fixedly connected to a support plate (8); the upper end of the support plate (8) is fixedly connected to a protection box (9); the side opposite to the inner cavity of the protection box (9) is fixedly connected to a second hydraulic cylinder (10); the output shaft of the second hydraulic cylinder (10) is fixedly connected to a piston (11); and the right side of the protection box (9) is fixedly connected to a pressing assembly.

2. The automatic clamping hydraulic equipment for bucket arm processing according to claim 1 is characterized in that: The pressing assembly comprises a connecting rod (101); the left side of the connecting rod (101) is fixedly connected to the right side of the protective box (9); a movable plate (102) is sleeved on the surface of the connecting rod (101); the movable plate (102) is slidably connected to the connecting rod (101); the left side of the movable plate (102) is fixedly connected to a connecting frame (103); the connecting frame (103) is fixedly connected to the right side of the fixed frame (6); the upper end of the movable plate (102) is fixedly connected to an electric The motor (104) comprises a rotating shaft (105) fixedly connected to the output shaft of the motor (104); a rocker (106) fixedly connected to the lower end of the rotating shaft (105); movable rods (107) are hingedly connected to both sides of the rocker (106); a clamping plate (108) is hingedly connected to the opposite side of the movable rod (107); the upper end of the clamping plate (108) is movably connected to the lower end of the movable plate (102) via a slide rail; and a positioning component is movably connected to the inner cavity of the clamping plate (108).

3. The automatic clamping hydraulic equipment for bucket arm processing according to claim 2 is characterized in that: The positioning assembly comprises a bearing plate (201); the bearing plate (201) is fixedly connected to the clamping plate (108); the inner cavity of the bearing plate (201) is movably connected to a pull rod (202); a spring (203) is sleeved on the surface of the pull rod (202); a positioning ring (204) is fixedly connected to the left side of the spring (203); the positioning ring (204) is fixedly connected to the pull rod (202); the surface of the pull rod (202) is movably connected to a pressure plate (205); the pressure plate (205) is movably connected to the inner cavity of the clamping plate (108).

4. The automatic clamping hydraulic equipment for bucket arm processing according to claim 1 is characterized in that: The front and rear sides of the base (1) are both fixedly connected to a support frame (12); the inner cavity of the support frame (12) is movably connected to a positioning column (13).

5. The automatic clamping hydraulic equipment for bucket arm processing according to claim 1 is characterized in that: A reinforcing plate (14) is fixedly connected to the lower end of the second hydraulic cylinder (10); the reinforcing plate (14) is fixedly connected to the positioning frame (4) on a side close to the positioning frame (4).

6. The automatic clamping hydraulic equipment for bucket arm processing according to claim 5 is characterized in that: A positioning bolt is fixedly connected to the surface of the reinforcement plate (14); the positioning bolt passes through the reinforcement plate (14) and is fixedly connected to the positioning frame (4).

7. The automatic clamping hydraulic equipment for bucket arm processing according to claim 2 is characterized in that: A fixed flange is fixedly connected to the surface of the motor (104); the fixed flange is fixedly connected to the upper end of the movable plate (102).

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