Excavator bucket simulation counterweight device
By designing a combination structure of limit rod and counterweight plate, the problem that existing simulated counterweight devices cannot accurately adjust the center of gravity of the bucket is solved, realizing accurate simulation of bucket weight and center of gravity position, and improving the accuracy of robotic arm performance testing.
Patent Information
- Application Number
- CN202520072945.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing simulated counterweight devices cannot accurately adjust the bucket's center of gravity, resulting in uneven force on the robotic arm and affecting the accuracy of the test.
A counterweight simulation device for excavator buckets was designed. Through the combination of a limit rod and a counterweight plate, the position of the center of gravity can be adjusted to achieve accurate simulation of the bucket weight and center of gravity.
It achieves accurate simulation of bucket weight and center of gravity position, improving the accuracy of robotic arm performance testing.
Smart Images
Figure CN223808138U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to counterweight device technical field, concretely is a kind of excavator bucket simulation counterweight device. BACKGROUND
[0002] Bucket refers to the bucket used on excavator, also called excavator, according to working mode, it is divided into backhoe bucket and front shovel bucket, generally commonly used is backhoe bucket, bucket belongs to structural component product, it is composed of tooth holder plate, bottom plate, side plate, wall plate, lug plate, back plate, bucket lug plate, bucket lug sleeve, bucket tooth, tooth holder, guard plate or bucket corner, so welding is the most critical manufacturing process of bucket, welding quality directly affects the structural strength and service life of bucket, bucket will be simulated by using counterweight device before use to replace bucket for testing.
[0003] In the prior art, the simulation counterweight device is assembled on the mechanical arm of the forklift, and the counterweight block is placed in the counterweight device, thereby simulating the weight of the bucket. However, different buckets have different weights and sizes, so the center of gravity of the bucket is different. When the mechanical arm of the forklift is far from the center of gravity, the mechanical arm bears a larger force. However, the counterweight block cannot change the position of the center of gravity, thereby leading to inaccurate simulation. SUMMARY
[0004] Therefore, the utility model aims to provide an excavator bucket simulation counterweight device to solve the technical problems.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an excavator bucket simulation counterweight device, comprising a counterweight box, a first limiting rod is fixedly connected to the upper end of the counterweight box, a supporting block is fixedly connected to the inner upper end of the counterweight box, a rotating rod is fixedly connected to the top of the supporting block, a gear is movably connected to the outer side of the rotating rod, a limiting block is fixedly connected to the upper end of the gear, a clamping rod is movably connected to the top of the limiting block, a fixed block is fixedly connected to the top of the clamping rod, a rack is movably connected to the outer side of the gear, an activity box is fixedly connected to one side of the rack, a second limiting rod is fixedly connected to the upper end of the activity box, a first counterweight plate is movably connected to the outer side of the first limiting rod, and a second counterweight plate is movably connected to the outer side of the second limiting rod.
[0006] By adopting the above technical scheme, the utility model fixes the connecting block on the mechanical arm of the forklift, removes the fixed block, so that the limiting block loses the limiting effect of the clamping rod. At this time, the first counterweight plate and the second counterweight plate are placed in the activity box through the first limiting rod and the second limiting rod. The distance between the counterweight box and the activity box is increased by pulling the activity box and the counterweight box. The distance between the first counterweight plate and the second counterweight plate is increased by the first limiting rod and the second limiting rod, thereby moving the center of gravity of the overall device. The position of the bucket weight and the center of gravity is simulated, thereby accurately measuring the performance of the mechanical arm.
[0007] Further, the first counterweight plate and the second counterweight plate are provided with slot holes matched with the first limiting rod and the second limiting rod at the upper end, and the slot holes pass through the first limiting rod and the second limiting rod.
[0008] By adopting the above technical scheme, the first counterweight plate and the second counterweight plate are driven to move when the first limiting rod and the second limiting rod move, so that the gravity center position of the device is adjusted.
[0009] Further, the second counterweight plate is provided with a cavity matched with the first counterweight plate inside, and the cavity has the same width as the first counterweight plate.
[0010] By adopting the above technical scheme, the first counterweight plate is moved inside the second counterweight plate, and the first counterweight plate does not rub against the inner wall of the movable box during sliding.
[0011] Further, the counterweight box is fixedly connected with a connecting block on one side, and the connecting block is provided with a circular hole matched with an external mechanical arm.
[0012] By adopting the above technical scheme, the device is connected with the external mechanical arm, so that the bucket is simulated to be connected to the mechanical arm, and the performance of the mechanical arm is tested.
[0013] Further, the counterweight box is provided with a sliding groove at the bottom, and the movable box is fixedly connected with a sliding block matched with the sliding groove at the bottom.
[0014] By adopting the above technical scheme, the movable box is slid inside the counterweight box, so that the gravity center of the device is adjusted.
[0015] Further, the limiting block is provided with a groove matched with the clamping rod at the upper end, and the grooves on the two limiting blocks are symmetrical.
[0016] By adopting the above technical scheme, the clamping rod limits the limiting block, so that the gear cannot rotate, and the counterweight box and the movable box are fixed.
[0017] In summary, the utility model mainly has the following beneficial effects: the connecting block is fixed on the mechanical arm of the shovel truck, the fixed block is removed, the limiting block loses the limiting effect of the clamping rod, the first counterweight plate and the second counterweight plate are put into the movable box through the first limiting rod and the second limiting rod, the movable box and the counterweight box are pulled, the distance between the counterweight box and the movable box is increased, the distance between the first counterweight plate and the second counterweight plate is increased by the first limiting rod and the second limiting rod, so that the gravity center position of the overall device is moved, the weight and the gravity center position of the bucket are simulated, and the performance of the mechanical arm is accurately measured. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1The overall structure schematic view of the utility model is shown in the figure.
[0019] Figure 2 The partial structure schematic view of the utility model is shown in the figure.
[0020] Figure 3 The partial structure schematic view of the utility model is shown in the figure.
[0021] Figure 4 The partial structure enlarged view of the utility model is shown in the figure.
[0022] Figure 5 The individual structure schematic view of the utility model is shown in the figure.
[0023] In the figure: 1, counterweight box; 2, connecting block; 3, movable box; 4, rack; 5, fixed block; 6, first limiting rod; 7, clamping rod; 8, second limiting rod; 9, limiting block; 10, gear; 11, sliding groove; 12, rotating rod; 13, supporting block; 14, first counterweight plate; 15, second counterweight plate. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used for explaining the utility model only, and cannot be understood as limiting the utility model.
[0025] The embodiments of the utility model will be described below according to the overall structure of the utility model.
[0026] A kind of excavator bucket simulation counterweight device, such as Figures 1-5As shown, including counterweight box 1, the upper end of the first limiting rod 6 is fixedly connected with counterweight box 1, the upper end of the support block 13 is fixedly connected inside counterweight box 1, the top of the support block 13 is fixedly connected with the rotating rod 12, the outer side of the rotating rod 12 is movably connected with the gear 10, the upper end of the gear 10 is fixedly connected with the limiting block 9, the top of the limiting block 9 is movably connected with the clamping rod 7, the top of the clamping rod 7 is fixedly connected with the fixed block 5, the outer side of the gear 10 is movably connected with the rack 4, one side of the rack 4 is fixedly connected with the movable box 3, the upper end of the movable box 3 is fixedly connected with the second limiting rod 8, the outer side of the first limiting rod 6 is movably connected with the first counterweight plate 14, the outer side of the second limiting rod 8 is movably connected with the second counterweight plate 15, the connecting block 2 is fixed on the mechanical arm of the forklift, the fixed block 5 is removed, so that the limiting block 9 loses the limiting effect of the clamping rod 7, at this time the first counterweight plate 14 and the second counterweight plate 15 are put into the movable box 3 through the first limiting rod 6 and the second limiting rod 8, the movable box 3 and the counterweight box 1 are pulled, the distance between the counterweight box 1 and the movable box 3 is increased, the distance between the first counterweight plate 14 and the second counterweight plate 15 is increased by the first limiting rod 6 and the second limiting rod 8, so as to move the gravity center position of the whole device, the position of the simulated bucket weight and gravity center is reached, so as to accurately measure the performance of the mechanical arm.
[0027] Please refer to Figure 5 , the upper end of the first counterweight plate 14 and the second counterweight plate 15 is provided with a slot hole matched with the first limiting rod 6 and the second limiting rod 8 box, and the slot hole penetrates the first limiting rod 6 and the second limiting rod 8, the above structure is provided, the first counterweight plate 14 and the second counterweight plate 15 are moved when the first limiting rod 6 and the second limiting rod 8 are moved, so as to adjust the gravity center position of the device.
[0028] Please refer to Figure 5 , the second counterweight plate 15 is internally provided with a cavity matched with the first counterweight plate 14, and the cavity section width is the same as the width of the first counterweight plate 14, the above structure is provided, the first counterweight plate 14 is moved inside the second counterweight plate 15, and the first counterweight plate 14 does not rub with the inner wall of the movable box 3 in the sliding process.
[0029] Please refer to Figure 1 , the connecting block 2 is fixedly connected with the counterweight box 1, and the connecting block 2 is provided with a circular hole matched with the external mechanical arm, the above structure is provided, the device is connected with the external mechanical arm, so as to simulate the connection of the bucket with the mechanical arm, and test the performance of the mechanical arm.
[0030] Please refer to Figure 3 , the bottom of the counterweight box 1 is provided with a sliding groove 11, and the bottom of the movable box 3 is fixedly connected with a sliding block matched with the sliding groove 11, the above structure is provided, the movable box 3 is slid in the counterweight box 1, so as to adjust the gravity center of the device.
[0031] Please refer to Figure 4 The upper end of the limiting block 9 is provided with a groove matched with the clamping rod 7, and the grooves on the two limiting blocks 9 are symmetrical, the above structure is arranged, the clamping rod 7 is convenient for limiting the limiting block 9, so that the gear 10 cannot rotate, and the effect of fixing the counterweight box 1 and the movable box 3 is achieved.
[0032] The working principle of the utility model is as follows: when in use, the staff fixes the connecting block 2 on the mechanical arm of the forklift, then removes the fixed block 5 on the upper part of the device, the fixed block 5 drives the clamping rod 7 to move upwards, so that the limiting effect of the clamping rod 7 on the limiting block 9 is lost, and the limiting block 9 can rotate, at this time, the first counterweight plate 14 is inserted into the second counterweight plate 15, and then the first counterweight plate 14 and the second counterweight plate 15 are put into the movable box 3 through the first limiting rod 6 and the second limiting rod 8, when the weight of the whole device is the same as the weight of the bucket, stop putting the first counterweight plate 14 and the second counterweight plate 15,
[0033] At this time, the counterweight box 1 and the movable box 3 are pulled, so that the rack 4 on the two sides of the movable box 3 drives the gear 10 to rotate, the gear 10 drives the limiting block 9 on the upper part to rotate, so that the limiting block 9 and the gear 10 rotate outside the rotating rod 12, at this time, the distance between the counterweight box 1 and the movable box 3 increases, driving the first limiting rod 6 and the second limiting rod 8 to move, the first limiting rod 6 and the second limiting rod 8 drive the first counterweight plate 14 and the second counterweight plate 15 on the outside to move, so that the gravity center of the whole device is away from the connecting block 2, so as to simulate the weight and gravity center of the bucket, at this time, the fixed block 5 is inserted into the limiting block 9, so that the clamping rod 7 in the limiting block 9 limits the limiting block 9, so that the limiting block 9 and the gear 10 cannot rotate, and the effect of fixing the counterweight box 1 and the movable box 3 is achieved, at this time, the mechanical arm is started, and the performance of the mechanical arm can be tested.
[0034] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make modifications, replacements and changes without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.
Claims
1. An excavator bucket simulation weight device comprising a weight box (1), characterized in that: The upper end of the counterweight box (1) is fixedly connected with a first limiting rod (6), the upper end of the inside of the counterweight box (1) is fixedly connected with a supporting block (13), the top of the supporting block (13) is fixedly connected with a rotating rod (12), the outer side of the rotating rod (12) is movably connected with a gear (10), the upper end of the gear (10) is fixedly connected with a limiting block (9), the top of the limiting block (9) is movably connected with a clamping rod (7), the top of the clamping rod (7) is fixedly connected with a fixed block (5), the outer side of the gear (10) is movably connected with a rack (4), one side of the rack (4) is fixedly connected with a movable box (3), the upper end of the movable box (3) is fixedly connected with a second limiting rod (8), the outer side of the first limiting rod (6) is movably connected with a first counterweight plate (14), and the outer side of the second limiting rod (8) is movably connected with a second counterweight plate (15).
2. An excavator bucket simulation weight device according to claim 1, characterized in that: The upper end of the first counterweight plate (14) and the second counterweight plate (15) is provided with a slot hole matched with the first limiting rod (6) and the second limiting rod (8), and the slot hole penetrates the first limiting rod (6) and the second limiting rod (8).
3. The excavator bucket load simulator of claim 1, wherein: The inside of the second counterweight plate (15) is provided with a cavity matched with the first counterweight plate (14), and the cross-sectional width of the cavity is the same as the width of the first counterweight plate (14).
4. The excavator bucket load simulator of claim 1, wherein: One side of the counterweight box (1) is fixedly connected with a connecting block (2), and a circular hole matched with an external mechanical arm is formed in the connecting block (2).
5. The excavator bucket load simulator of claim 1, wherein: The bottom of the counterweight box (1) is provided with a sliding groove (11), and the bottom of the movable box (3) is fixedly connected with a sliding block matched with the sliding groove (11).
6. The excavator bucket load simulator of claim 1, wherein: The upper end of the limiting block (9) is provided with a groove matched with the clamping rod (7), and the grooves on the two limiting blocks (9) are symmetrical.