Novel mechanical claw clamping force detection structure for crane
By using a combination of force sensors and telescopic rods in the crane's mechanical gripper, rapid and accurate measurement of the gripping force of the mechanical gripper is achieved, solving the problems of inaccurate detection results and complex structure in existing technologies, and reducing costs.
Patent Information
- Application Number
- CN202520375747.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-05
AI Technical Summary
In existing crane mechanical gripper force testing, simulating gripping dynamics leads to inaccurate test results, and the structure is complex and costly.
By combining a first force sensor and a second force sensor with a telescopic rod, and automatically controlling the opening and closing of the mechanical gripper, the force signal is converted into an electrical signal for precise measurement using the sensors.
It enables rapid and accurate measurement of the gripping force of the mechanical claw, improving the accuracy and reliability of the detection, and reducing structural complexity and cost.
Smart Images

Figure CN223725898U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of hoist, concretely to a novel mechanical claw clamping force detection structure for hoist. BACKGROUND
[0002] The hoist refers to the multi-motion hoisting machinery of vertical lifting and horizontal transport of heavy objects in a certain range. It is also called crane, hang, hoist, the working characteristic of hoisting equipment is intermittent motion, that is, the corresponding mechanism of taking material, moving, unloading and other actions in a working cycle is alternately worked. The hoist is more and more widely used in the market, and the mechanical claw is a common end effector type on the hoist, which is installed on the mechanical arm of the hoist to clamp workpieces or perform work.
[0003] The authorized announcement number CN219625045U discloses a novel mechanical claw clamping force detection structure for hoist, which provides the novel mechanical claw clamping force detection structure for hoist with the following technical effects: the hoist simulates the actual application of the hoist scene, uses irregular shaped blocks as clamping objects, simulates dynamic operation, and measures the clamping force of the mechanical claw body more truly. The total weight of the clamping object is adjusted through the counterweight mechanism, the actual clamping force of the mechanical claw body can be quickly detected, and the detection result is more true. However, in the scheme, when the mechanical claw body is subjected to the clamping force test, the simulation clamping dynamic and the weight of the pulled irregular block are used for flat comparison. In this way, the force is lost in the middle, the detection result is inaccurate, and the equivalent comparison of force needs many structures, which increases the cost investment. Therefore, a novel mechanical claw clamping force detection structure for hoist is needed to improve the above problems. UTILITY MODEL CONTENTS
[0004] In order to solve the problem that the simulation clamping dynamic and the weight of the pulled irregular block are used for flat comparison in the scheme when the mechanical claw body is subjected to the clamping force test, the force is lost in the middle, the detection result is inaccurate, and the equivalent comparison of force needs many structures, which increases the cost investment, the utility model aims at providing a novel mechanical claw clamping force detection structure for hoist to solve the problems in the background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0006] A novel mechanical claw clamping force detection structure for hoist, comprising a main body, a support loading assembly is fixedly connected to the top of the main body, and a detection force measuring assembly is arranged in the support loading assembly.
[0007] The detection force assembly comprises a supporting plate, a support is fixedly connected to the top of the supporting plate, telescopic rods are installed in the support, the support and the telescopic rods are provided with two, a first claw handle is fixedly connected to the output end of the telescopic rod, a second claw handle is arranged on the side surface of the first claw handle, the output end of the telescopic rod is fixedly connected with the second claw handle, a first clamping plate is fixedly connected to the bottom of the first claw handle, a first fixed pin rod is fixedly connected to the side surface of the first clamping plate, a second clamping plate is fixedly connected to the bottom of the second claw handle, a second fixed pin rod is fixedly connected to the side surface of the second clamping plate, a second movable pin rod is movably connected to the middle of the first claw handle and the second claw handle, a first movable pin rod is movably connected to the middle of the first clamping plate and the second clamping plate, a first connecting rod is fixedly connected to the inside of the first clamping plate, a first force sensor is fixedly connected to the side surface of the first connecting rod, a second connecting rod is fixedly connected to the inside of the second clamping plate, and a second force sensor is fixedly connected to the side surface of the second connecting rod.
[0008] As a preferred scheme of the utility model, the supporting and loading assembly comprises a bottom plate, a first sleeve seat is fixedly connected to the top of the bottom plate, and a supporting rod is fixedly connected to the top of the first sleeve seat.
[0009] As a preferred scheme of the utility model, the first sleeve seat and the supporting rod are provided with four, a top plate is fixedly connected to the top of the supporting rod, and a second sleeve seat is fixedly connected to the top of the top plate.
[0010] As a preferred scheme of the utility model, the main body comprises a cabinet body, and an operation button is fixedly connected to the side surface of the cabinet body.
[0011] As a preferred scheme of the utility model, a cabinet door is fixedly connected to the side surface of the cabinet body, and a handle is fixedly connected to the side surface of the cabinet door.
[0012] As a preferred scheme of the utility model, a control box is fixedly connected to the side surface of the cabinet body, and an alarm lamp is fixedly connected to the top of the control box.
[0013] As a preferred scheme of the utility model, an adjusting key and a display screen are fixedly connected to the side surface of the control box, and a plurality of adjusting keys are arranged.
[0014] As a preferred scheme of the utility model, a foot pad is fixedly connected to the bottom of the cabinet body, and four foot pads are arranged.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1.The utility model discloses a first force sensor and second force sensor are used to the force clamping of object, can obtain the force that mechanical gripper applies, and then can quickly and accurately obtain the clamping force of mechanical gripper, and the first force sensor and second force sensor pass through the corresponding conversion circuit, and change into electric signal output with these changes, thereby realize the measurement of force, and the sensor has many advantages, such as high accuracy, fast response, high reliability, small size, light weight, easy to install etc., can satisfy the measurement and control demand of different fields.
[0017] 2.The utility model discloses a two telescopic rods are used to the opening and closing of mechanical gripper, can avoid the phenomenon of inaccuracy of measurement caused by manual opening and closing of mechanical gripper, and automatic measurement technology improves the accuracy and repeatability of mechanical gripper clamping force data processing, and the service life of telescopic rod is longer, and it is more durable than similar products, and then the opening and closing control of mechanical gripper can be carried out for a long time. DRAWINGS
[0018] Figure 1 It is the whole structure schematic diagram of the utility model;
[0019] Figure 2 It is the support detection subassembly structure schematic diagram of the utility model;
[0020] Figure 3 It is the mechanical gripper subassembly structure schematic diagram of the utility model;
[0021] Figure 4 It is the operation subassembly structure schematic diagram of the utility model.
[0022] In the drawing: 1, main body;101, cabinet body;102, foot pad;103, cabinet door;104, handle;105, operation button;106, control box;107, adjustment key;108, display screen;109, alarm lamp;2, support loading subassembly;201, bottom plate;202, first sleeve seat;203, support rod;204, top plate;205, second sleeve seat;3, detection force measuring subassembly;301, support plate;302, support;303, telescopic rod;304, first jaw handle;305, second jaw handle;306, first clamping plate;307, first fixed pin rod;308, first movable pin rod;309, second fixed pin rod;310, second movable pin rod;311, first connecting rod;312, first force sensor;313, second connecting rod;314, second force sensor;315, second clamping plate. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0024] Embodiment: please refer to Figures 1-4 The utility model relates to a crane is with novel mechanical claw clamping force detection structure, including main part 1, the top fixed connection of main part 1 has support loading assembly 2, the inside of support loading assembly 2 is provided with detection force measuring assembly 3;
[0025] In the embodiment, referring to Figure 1 、 Figure 2 and Figure 3 , detection force measuring assembly 3 includes support plate 301, the top fixed connection of support plate 301 has support 302, support 302 is installed with telescopic link 303, support 302 and telescopic link 303 are provided with two, the output end of telescopic link 303 is fixedly connected with first claw handle 304, the side of first claw handle 304 is provided with second claw handle 305, the output end of telescopic link 303 is fixedly connected with second claw handle 305, the bottom of first claw handle 304 is fixedly connected with first clamping plate 306, the side of first clamping plate 306 is fixedly connected with first fixed pin rod 307, the bottom of second claw handle 305 is fixedly connected with second clamping plate 315, the side of second clamping plate 315 is fixedly connected with second fixed pin rod 309, the middle of first claw handle 304 and second claw handle 305 is movably connected with second movable pin rod 310, the middle of first clamping plate 306 and second clamping plate 315 is movably connected with first movable pin rod 308, the inside of first clamping plate 306 is fixedly connected with first link rod 311, the side of first link rod 311 is fixedly connected with first force sensor 312, the inside of second clamping plate 315 is fixedly connected with second link rod 313, the side of second link rod 313 is fixedly connected with second force sensor 314, the force of clamping of mechanical gripper is obtained by using first force sensor 312 and second force sensor 314 to force clamping of object, and then the clamping force of mechanical claw can be quickly and accurately obtained, first force sensor 312 and second force sensor 314 pass through corresponding conversion circuit, convert these changes into electrical signal output, so that the measurement of force is realized, the sensor has many advantages, such as high precision, fast response, high reliability, small size, light weight, easy to install, can satisfy the measurement and control demand of different fields.
[0026] The support loading assembly 2 comprises a bottom plate 201, the top of the bottom plate 201 is fixedly connected with a first sleeve seat 202, the top of the first sleeve seat 202 is fixedly connected with a support rod 203, four first sleeve seats 202 and support rods 203 are arranged, the top of the support rod 203 is fixedly connected with a top plate 204, the top of the top plate 204 is fixedly connected with a second sleeve seat 205, and the support rod 203, the first sleeve seat 202 and the second sleeve seat 205 can increase the stability during detection.
[0027] In this embodiment, with reference to Figure 1 and Figure 4 It is shown that the main body 1 comprises a cabinet body 101, the side of the cabinet body 101 is fixedly connected with an operation button 105, the side of the cabinet body 101 is fixedly connected with a cabinet door 103, the side of the cabinet door 103 is fixedly connected with a handle 104, the side of the cabinet body 101 is fixedly connected with a control box 106, the top of the control box 106 is fixedly connected with an alarm lamp 109, the side of the control box 106 is fixedly connected with an adjusting key 107 and a display screen 108, the adjusting key 107 is provided with a plurality of adjusting keys, the bottom of the cabinet body 101 is fixedly connected with a foot pad 102, the foot pad 102 is provided with four foot pads, and the operation button 105 can facilitate the control during detection, simplify the operation process and increase the detection efficiency.
[0028] In the scheme, the novel mechanical claw clamping force detection structure for a crane is used under the cooperation of the first movable pin rod 308 and the second movable pin rod 310 under the stretching and retracting of the two telescopic rods 303, the first clamping plate 306 and the second clamping plate 315 are controlled to gather or spread, the article is placed in the middle of the first force sensor 312 and the second force sensor 314 and is clamped and forced when gathering, and the force measured by the first force sensor 312 and the second force sensor 314 is the clamping force of the mechanical claw.
[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A novel mechanical claw gripping force detection structure for a crane comprising a main body (1), characterized in that: The top of the main body (1) is fixedly connected with a support loading assembly (2), and the inside of the support loading assembly (2) is provided with a detection force measuring assembly (3). The detection force measuring assembly (3) comprises a supporting plate (301), the top of the supporting plate (301) is fixedly connected with a support (302), the inside of the support (302) is mounted with a telescopic rod (303), the support (302) and the telescopic rod (303) are provided with two, the output end of the telescopic rod (303) is fixedly connected with a first claw handle (304), the side of the first claw handle (304) is provided with a second claw handle (305), the output end of the telescopic rod (303) is fixedly connected with the second claw handle (305), the bottom of the first claw handle (304) is fixedly connected with a first clamping plate (306), the side of the first clamping plate (306) is fixedly connected with a first fixed pin rod (307), the bottom of the second claw handle (305) is fixedly connected with a second clamping plate (315), the side of the second clamping plate (315) is fixedly connected with a second fixed pin rod (309), the middle of the first claw handle (304) and the second claw handle (305) is movably connected with a second movable pin rod (310), the middle of the first clamping plate (306) and the second clamping plate (315) is movably connected with a first movable pin rod (308), the inside of the first clamping plate (306) is fixedly connected with a first connecting rod (311), the side of the first connecting rod (311) is fixedly connected with a first force sensor (312), the inside of the second clamping plate (315) is fixedly connected with a second connecting rod (313), the side of the second connecting rod (313) is fixedly connected with a second force sensor (314).
2. A novel mechanical claw gripping force detection structure for a crane according to claim 1, characterized in that: The support loading assembly (2) comprises a bottom plate (201), the top of the bottom plate (201) is fixedly connected with a first sleeve seat (202), and the top of the first sleeve seat (202) is fixedly connected with a support rod (203).
3. The novel mechanical claw gripping force detection structure for a crane according to claim 2, characterized in that: The first sleeve seat (202) and the support rod (203) are provided with four, and the top of the support rod (203) is fixedly connected with a top plate (204).
4. The novel mechanical claw gripping force detection structure for a crane according to claim 1, characterized in that: The main body (1) comprises a cabinet body (101), and the side of the cabinet body (101) is fixedly connected with an operation button (105).
5. A novel mechanical claw gripping force detection structure for a crane according to claim 4, characterized in that: The side of the cabinet body (101) is fixedly connected with a cabinet door (103), and the side of the cabinet door (103) is fixedly connected with a handle (104).
6. A novel mechanical claw gripping force detection structure for a crane according to claim 4, characterized in that: The side of the cabinet body (101) is fixedly connected with a control box (106), and the top of the control box (106) is fixedly connected with an alarm lamp (109).
7. A novel mechanical claw gripping force detection structure for a crane according to claim 6, characterized in that: The side of the control box (106) is fixedly connected with an adjusting key (107) and a display screen (108), and the adjusting key (107) is provided with a plurality of.
8. A novel mechanical claw gripping force detection structure for a crane according to claim 4, characterized in that: The bottom of the cabinet body (101) is fixedly connected with a foot pad (102), and the foot pad (102) is provided with four.
Citation Information
Patent Citations
Novel mechanical claw clamping force detection structure for crane
CN219625045U