High-torque displacement clamping device for nuclear power operation vehicle
By designing a high-torque displacement clamping device for nuclear power operation vehicles, the problems of insufficient clamping force and lack of rotation function in the prior art are solved, efficient clamping and rotation of square steel pipes are achieved, and transportation efficiency and safety are improved through gravity sensor monitoring.
Patent Information
- Application Number
- CN202421896414.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-08-07
AI Technical Summary
The existing clamping device lacks the displacement and rotation function, and the clamping force provided is insufficient, so it cannot adapt to the installation method and weight range of small operating vehicles in nuclear power plants. It also lacks real-time monitoring of the clamping process, which poses safety risks.
A high torque displacement clamping device for nuclear power operation vehicles is designed, including a rotating part and a clamping part. The rotation is achieved by driving the motor and the harmonic reducer, the stepper motor drives the screw and the rubber contact plate to achieve clamping, and is equipped with a gravity sensor to monitor the weight of the clamping object in real time.
It realizes efficient clamping and rotation of square steel pipes, avoids overloading, improves clamping and transportation efficiency, and does not cause damage to the surface of the steel pipe. It has a compact design and a reliable structure, reducing safety hazards.
Smart Images

Figure CN222960702U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of clamping transportation, and particularly relates to a high-torque displacement clamping device for a nuclear power operation vehicle. Background Technique
[0002] At present, the common gripper usually clamps an object by means of a linkage mechanism, lacking the displacement rotation function, and the clamping force provided by the linkage method is insufficient, unable to adapt to the installation method, weight range, and structural form of the electromechanical installation items in the nuclear island of the Hualong One, and lacking monitoring during the clamping process, which is prone to potential safety hazards. Content of the Utility Model
[0003] The technical problem to be solved by the utility model is to provide a high-torque displacement clamping device for a nuclear power operation vehicle, which is installed on a small nuclear power operation vehicle to realize the clamping of square steel pipes, aiming at the above deficiencies existing in the prior art.
[0004] To solve the above problems, the technical solution of the utility model is as follows: A high-torque displacement clamping device for a nuclear power operation vehicle, the device includes a rotating part and a clamping part, and the rotating part and the clamping part are connected by a connecting seat; the rotating part includes a driving motor and a harmonic reducer, the driving motor is connected to the harmonic reducer, and the harmonic reducer is driven by the driving motor to perform circular motion; the harmonic reducer is arranged on the connecting seat, and drives the connecting seat to perform circular motion through the harmonic reducer, thereby driving the clamping part to rotate; the clamping part includes a stepping motor, a rubber contact plate, and a lead screw, the stepping motor drives the lead screw to rotate through a synchronous belt, both ends of the lead screw are provided with lead screw sliders, the lead screw is connected to the rubber contact plate through the lead screw sliders, and the lead screw rotates to drive the lead screw sliders to move towards each other, and then the lead screw sliders drive the rubber contact plates to move towards each other to form the clamping of the square steel pipe.
[0005] The driving motor is arranged on a driving motor mounting seat.
[0006] The rubber contact plate is arranged on a contact plate mounting seat, and the lead screw slider is connected to the rubber contact plate through the contact plate mounting seat.
[0007] Sliders are provided on both the upper and lower parts of the contact plate mounting seat, the sliders perform linear motion along the slide rail, and the slide rail is connected to the connecting seat through a mounting plate.
[0008] The stepping motor is connected to the mounting plate through a stepping motor mounting seat.
[0009] The lead screw is installed on the mounting plate through a lead screw fixing seat.
[0010] The synchronous belt is tightly connected to the stepping motor through a lead screw support seat.
[0011] A gravity sensor is provided on the drive motor to real-time monitor the weight of the clamped object.
[0012] The remarkable effects of the present utility model are as follows: The high-torque variable-position clamping device for a nuclear power operation vehicle described in the present utility model drives the screw rod to rotate through a stepping motor, and then drives the rubber contact plates to move towards each other to clamp the square steel pipe; the rotation of the clamped object is realized through a harmonic reducer; the weight of the clamped object is real-time monitored through a gravity sensor to avoid overloading; the device is compact in design and reliable in structure, can effectively improve the clamping and transportation efficiency of the square steel pipe, and will not cause damage to the surface of the square steel pipe. Description of the Drawings
[0013] Figure 1 It is a working schematic diagram of the high-torque variable-position clamping device for a nuclear power operation vehicle described in the present utility model;
[0014] Figure 2 It is a structural schematic diagram after the high-torque variable-position clamping device for a nuclear power operation vehicle described in the present utility model clamps the square steel pipe and rotates it;
[0015] Figure 3 It is a front view of the high-torque variable-position clamping device for a nuclear power operation vehicle described in the present utility model;
[0016] Figure 4 It is a right view of the high-torque variable-position clamping device for a nuclear power operation vehicle described in the present utility model;
[0017] Figure 5 It is a left view of the high-torque variable-position clamping device for a nuclear power operation vehicle described in the present utility model;
[0018] Figure 6 It is a top view of the high-torque variable-position clamping device for a nuclear power operation vehicle described in the present utility model;
[0019] Figure 7 It is a bottom view of the high-torque variable-position clamping device for a nuclear power operation vehicle described in the present utility model;
[0020] Figure 8 It is a schematic diagram of the operation steps of the high-torque variable-position clamping device for a nuclear power operation vehicle described in the present utility model;
[0021] In the figure: 1, square steel pipe; 2, drive motor; 3, drive motor mounting seat; 4, stepping motor; 5, harmonic reducer; 6, rubber contact plate; 7, contact plate mounting seat; 8, slide rail; 9, screw rod slider; 10, screw rod; 11, slider; 12, screw rod fixing seat; 13, synchronous belt; 14, screw rod support seat; 15, stepping motor mounting seat; 16, connecting seat; 17, mounting plate. Detailed Embodiments
[0022] The following will clearly and completely describe the technical solutions in the present utility model in conjunction with the accompanying drawings in the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present utility model without making creative efforts fall within the scope of the present utility model.
[0023] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper" is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of description and simplification, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.
[0024] In the description of the present utility model, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "connection", "setting", "installation", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0026] As Figure 1-7 shown, a high-torque displacement clamping device for a nuclear power operation vehicle includes a rotating part and a clamping part. The rotating part and the clamping part are connected through a connecting seat 16;
[0027] The rotating part includes a driving motor 2 and a harmonic reducer 5. The driving motor 2 is connected to the harmonic reducer 5, and the harmonic reducer 5 is driven by the driving motor 2 to perform circular motion. The harmonic reducer 5 is arranged on the connecting seat 16, and the connecting seat 16 is driven to perform circular motion through the harmonic reducer 5, thereby driving the clamping part to rotate;
[0028] The clamping part includes a stepping motor 4, a rubber contact plate 6, and a lead screw 10. The stepping motor 4 drives the lead screw 10 to rotate through a synchronous belt 13. The two ends of the lead screw 10 are provided with lead screw sliders 9. The lead screw 10 is connected to the rubber contact plate 6 through the lead screw sliders 9. The lead screw sliders 9 are driven to move towards each other by the rotation of the lead screw 10. Further, the lead screw sliders 9 drive the rubber contact plate 6 to move towards each other to form the clamping of the square steel pipe 1;
[0029] As an embodiment, the drive motor 2 is arranged on the drive motor mounting seat 3 to connect the device to the work vehicle;
[0030] As an embodiment, the rubber contact plate 6 is arranged on the contact plate mounting seat 7, and the lead screw slider 9 is connected to the rubber contact plate 6 through the contact plate mounting seat 7;
[0031] As an embodiment, sliders 11 are arranged on both the upper and lower parts of the contact plate mounting seat 7. The sliders 11 perform linear motion along the slide rail 8, and the slide rail 8 is connected to the connecting seat 16 through the mounting plate 17;
[0032] As an embodiment, the stepping motor 4 is connected to the mounting plate 17 through the stepping motor mounting seat 15;
[0033] As an embodiment, the lead screw 10 is installed on the mounting plate 17 through the lead screw fixing seat 12;
[0034] As an embodiment, the synchronous belt 13 is tightly connected to the stepping motor 4 through the lead screw support seat 14;
[0035] As an embodiment, a gravity sensor is arranged on the drive motor 2 to monitor the weight of the clamped object in real time and avoid overloading.
[0036] As Figure 8 shown, for a high-torque displacement clamping device for nuclear power operation vehicles described in the present utility model, the operation steps of the device are as follows:
[0037] (1) 360-degree circumferential rotation of the mechanism: As Figure 1 , Figure 2 shown, the drive motor 2 drives the harmonic reducer 5, and the harmonic reducer 5 drives the entire clamping part to perform circumferential rotation through the connecting seat 16;
[0038] (2) Gripping action S1: As Figure 3 , Figure 4 , Figure 5 shown, the stepping motor 4 drives the lead screw 10 to rotate through the synchronous belt 13. Due to the deceleration effect of the lead screw 10, the two lead screw sliders 9 arranged oppositely receive a large thrust, thereby driving the two contact plate mounting seats 7 on the two groups of sliders 11 installed on the two parallel slide rails 8 to perform relative motion, and then clamping the square steel pipe 1 through the rubber contact plate 6 on the contact plate mounting seat 7;
[0039] (3) Clamping action S2: As Figure 1 , Figure 3 shown, after the gripping action of picking up the square steel pipe is completed, the rubber contact plate 6 on the contact plate mounting seat 7 applies an additional opposite force to the square steel pipe 1 by rotating the lead screw 10, so that the square steel pipe does not slip or tip over;
[0040] (4) Lifting action S3: After the item that has been transported to the installation point is grasped and clamped by the lifting device of the work vehicle, the large-scale lifting of the square steel pipe 1 is to adjust the height in the vertical direction.
[0041] (5) Rotating action S4: In order to make the fixed end of the installed item face the installation position, after grasping, it can be rotated 360 degrees by the harmonic reducer 5 without damaging the surface of the steel pipe.
[0042] (6) Positioning action S5: This action needs to complete the alignment and fixation of the square steel pipe and the embedded part through the fine adjustment of the gripper, which is the basis for welding and bolting in the installation construction.
[0043] The high-torque displacement clamping device for a nuclear power operation vehicle described in the present utility model can adaptively clamp square steel pipes with side lengths ranging from 50 cm to 200 cm through a compact design, and can be rotated 360 degrees by the harmonic reducer 5 without damaging the surface of the square steel pipe material.
[0044] Inspired by the ideal embodiments of the present utility model described above, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A high torque displacement clamping device for a nuclear power operation vehicle, characterized in that: The device comprises a rotating part and a clamping part, wherein the rotating part and the clamping part are connected via a connecting seat (16); the rotating part comprises a driving motor (2) and a harmonic reducer (5), wherein the driving motor (2) is connected to the harmonic reducer (5), and the driving motor (2) drives the harmonic reducer (5) to perform circular motion; the harmonic reducer (5) is arranged on the connecting seat (16), and the connecting seat (16) is driven to perform circular motion by the harmonic reducer (5), thereby driving the clamping part to rotate; the clamping part comprises A stepper motor (4), a rubber contact plate (6), and a screw rod (10). The stepper motor (4) drives the screw rod (10) to rotate via a synchronous belt (13). Screw rod sliders (9) are provided at both ends of the screw rod (10). The screw rod (10) is connected to the rubber contact plate (6) via the screw rod sliders (9). The screw rod (10) rotates to drive the screw rod sliders (9) to move toward each other, and then the screw rod sliders (9) drive the rubber contact plate (6) to move toward each other, thereby clamping the other steel pipe (1).
2. According to claim 1, a high torque displacement clamping device for a nuclear power operation vehicle is characterized in that: The drive motor (2) is arranged on a drive motor mounting seat (3).
3. The high torque displacement clamping device for a nuclear power operation vehicle according to claim 1 is characterized in that: The rubber contact plate (6) is arranged on a contact plate mounting seat (7), and the screw slider (9) is connected to the rubber contact plate (6) via the contact plate mounting seat (7).
4. The high torque displacement clamping device for a nuclear power operation vehicle according to claim 3 is characterized in that: The contact plate mounting seat (7) is provided with a slider (11) at the upper and lower parts. The slider (11) moves linearly along a slide rail (8). The slide rail (8) is connected to a connecting seat (16) via a mounting plate (17).
5. A high torque displacement clamping device for a nuclear power operation vehicle according to claim 4, characterized in that: The stepper motor (4) is connected to the mounting plate (17) via a stepper motor mounting seat (15).
6. The high torque displacement clamping device for a nuclear power operation vehicle according to claim 5, characterized in that: The screw rod (10) is mounted on the mounting plate (17) via a screw rod fixing seat (12).
7. The high torque displacement clamping device for a nuclear power operation vehicle according to claim 1, characterized in that: The synchronous belt (13) is connected and fastened to the stepping motor (4) via a screw support seat (14).
8. The high torque displacement clamping device for a nuclear power operation vehicle according to claim 1, characterized in that: The driving motor (2) is provided with a gravity sensor for real-time monitoring of the weight of the clamped object.