Workpiece clamp for defect detection of petroleum machinery spare and accessory parts

By using a clamping structure driven by U-shaped bracket, hydraulic cylinder and motor in the petroleum mechanical parts detection fixture, combined with an anti-slip pad, the problem of unstable parts in the prior art is solved, and the firm clamping of parts and preventing shaking or Shedding improves the convenience and reliability of testing.

CN222177414UActive Publication Date: 2024-12-17CHAOYANG LIFEFIT MACHINERY MANUFACTURING CO LTD
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Patent Information

Application Number
CN202420689272.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-07
Publication Date
2024-12-17
Estimated Expiration
2034-04-07

AI Technical Summary

Technical Problem

The existing workpiece clamps for inspection of petroleum machinery spare parts are not stable enough when clamping larger and heavier parts, which can easily cause the parts to shake or fall, affecting the inspection quality.

Method used

A fixture including a U-shaped bracket, universal wheel, hydraulic cylinder, slide plate, clamp, slide groove, hydraulic cylinder and motor is designed to achieve stable clamping of parts through hydraulic cylinder and motor drive slide plate and clamp, and Install anti-slip pads on the clamps and sliders to prevent slipping.

Benefits of technology

The stable clamping of petroleum mechanical parts is achieved, avoiding the shaking or falling off of the parts during movement and inspection, and significantly improving the reliability and convenience of inspection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of petroleum machinery spare and accessory part detection, in particular to a workpiece clamp for detecting defects of petroleum machinery spare and accessory parts. Comprising a U-shaped support, universal wheels are arranged at the four corners of the bottom of the U-shaped support, two vertical plates are installed on the inner wall of the top of the U-shaped support in a sliding mode, two hydraulic cylinders are fixedly installed on the two sides of the U-shaped support, and output rods of the hydraulic cylinders extend into the U-shaped support and are fixed to the corresponding vertical plates; sliding plates are slidably mounted on the sides, close to each other, of the two vertical plates, clamps are arranged on the sides, close to each other, of the two sliding plates, sliding grooves are formed in the sides, close to each other, of the two vertical plates, and two first sliding blocks are slidably mounted in the sliding grooves. Through the simple clamping structure, the petroleum machine part can be stably clamped, so that the part can be prevented from shaking or falling off in the moving and detecting process, and great convenience is brought to defect detection work of the petroleum machine part.
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Description

Technical Field

[0001] The utility model relates to the technical field of petroleum machinery parts detection, in particular to a workpiece clamp for defect detection of petroleum machinery parts. Background Art

[0002] With the continuous development of economy, the market demand for energy is increasing, especially for oil resources. The exploitation of oil requires the use of a large number of machines, so it is necessary to effectively detect the defects of mechanical parts. In this process, it is often necessary to use a workpiece fixture to clamp and position larger mechanical parts, so as to facilitate the subsequent detection work. The prior art discloses a workpiece fixture for defect detection of petroleum machinery parts with an authorization announcement number of CN220007517U, which includes a movable frame, a cross mounting frame is installed on the top of the movable frame, a first electric telescopic rod is installed in the middle of the cross mounting frame, and a first electric telescopic rod is installed at the bottom of the first electric telescopic rod. Motor, a second electric telescopic rod fixing frame is installed at the bottom of the first motor, the workpiece clamp can fix petroleum machinery parts of different sizes, and can drive the petroleum machinery parts to rotate by rotating, so as to facilitate the detection of different positions of the petroleum machinery parts, and can also detect the top and bottom of the petroleum machinery parts, and the detection range is more comprehensive, and the fixing method of the clamp is relatively flexible, and can fix the outer surface of the petroleum machinery parts, and can also fix the inner hole of the petroleum machinery parts. The whole tool can be moved at will, and can be moved in the factory, which is convenient for the maintenance of large petroleum machinery parts.

[0003] However, it was found during use that the clamping mechanism of the above design for petroleum machinery parts is not stable enough, and it is not convenient to firmly clamp larger and heavier petroleum machinery parts. The parts are prone to shaking during movement and testing, and there is a risk of parts falling. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a workpiece fixture for defect detection of petroleum machinery parts, which can firmly clamp the petroleum machinery parts and prevent the parts from shaking or falling off during movement and detection, thereby greatly facilitating the defect detection of petroleum machinery parts and solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the technical solution adopted by the utility model is: a workpiece fixture for defect detection of petroleum machinery spare parts, comprising a U-shaped bracket, wherein the four bottom corners of the U-shaped bracket are provided with universal wheels, and two vertical plates are slidably installed on the top inner wall of the U-shaped bracket, and two hydraulic cylinders are fixedly installed on both sides of the U-shaped bracket, and the output rods of the hydraulic cylinders extend into the U-shaped bracket and are fixed to the corresponding vertical plates, and slide plates are slidably installed on the sides of the two vertical plates close to each other, and clamps are provided on the sides of the two slide plates close to each other, and slide grooves are opened on the sides of the two vertical plates close to each other. Two first sliding blocks are slidably installed in the slide grooves, and the same screw rod is threaded through the two first sliding blocks, and a first bevel gear is fixedly installed on the top of the screw rod, and a motor is fixedly installed on one side of the vertical plate, and the output shaft of the motor extends into the slide groove and is fixedly installed on the second bevel gear, and the second bevel gear meshes with the first bevel gear.

[0006] In order to facilitate the clamping of different petroleum machinery parts:

[0007] As a further improvement of the above technical solution: the skateboard also includes two slots, both of which are opened on one side of the skateboard, a card plate is slidably installed in the slot, one side of the card plate is fixed on the corresponding card clamp, a card rod is slidably penetrated through the card plate, a chamber is opened on the skateboard, two second sliders are slidably installed in the chamber, one end of the card rod extends into the chamber and is fixed on the corresponding second slider, the two second sliders are threaded with the same bidirectional screw rod, a third bevel gear is fixedly sleeved on the bidirectional screw rod, a rotating rod is rotatably installed on the side of the skateboard away from the clamp, one end of the rotating rod extends into the chamber and is fixedly installed with a fourth bevel gear, and the fourth bevel gear is meshed with the third bevel gear.

[0008] The beneficial effect of this improvement is that, through such an arrangement, it is convenient to quickly disassemble and assemble the clamp, thereby facilitating the replacement of different clamps, thereby facilitating the clamping of different petroleum machinery parts.

[0009] To stabilize the vertical plate horizontal frame:

[0010] As a further improvement of the above technical solution: a first limiting rod is slidably penetrated through both sides of the U-shaped bracket, and one end of the first limiting rod is fixed on the corresponding vertical plate.

[0011] The beneficial effect of this improvement is that by setting the first limiting rod, it is convenient to limit the vertical board, so that the vertical board can move horizontally and the horizontal frame can be stable.

[0012] To make the vertical board more stable:

[0013] As a further improvement of the above technical solution: two rectangular through holes are penetrated on the top inner wall of the U-shaped bracket, a third slider slides through the rectangular through holes, the third slider is fixed to the top of the corresponding vertical plate, a second limit rod is fixedly installed in the rectangular through hole, and the second limit rod slides through the third slider.

[0014] The beneficial effect of this improvement is that by setting it in this way, it is convenient to support and limit the vertical board, making the lateral movement of the vertical board more stable.

[0015] In order to facilitate the support and limit of the screw rod:

[0016] As a further improvement of the above technical solution: a transverse plate is fixedly installed in the slide groove, and the screw rod rotates and penetrates the transverse plate.

[0017] The beneficial effect of this improvement is that by providing a transverse plate, it is convenient to support and limit the screw rod.

[0018] In order to effectively prevent the petroleum machinery parts from slipping:

[0019] As a further improvement of the above technical solution: an anti-skid pad is fixedly installed in the clip, and the material of the anti-skid pad is rubber.

[0020] The beneficial effect of this improvement is that by providing the anti-skid pad, the oil machinery parts can be effectively prevented from slipping.

[0021] In order to facilitate the support and limit of the rotating rod:

[0022] As a further improvement of the above technical solution: a first circular hole is penetrated on an inner wall of one side of the chamber, the rotating rod rotates through the first circular hole, two support plates are fixedly installed in the chamber, and the bidirectional screw rotates through the two support plates.

[0023] The beneficial effect of this improvement is that by providing the first circular hole, it is convenient to support and limit the rotating rod.

[0024] In order to facilitate the locking of the card plate by the card rod:

[0025] As a further improvement of the above technical solution: a second circular hole is passed through the card plate, a third circular hole is passed through between the chamber and the card slot, and the card rod slides through the corresponding second circular hole and third circular hole.

[0026] The beneficial effect of this improvement is that by providing the second circular hole and the third circular hole, it is convenient for the clamping rod to lock the clamping plate.

[0027] The beneficial effects of the utility model are as follows: through a simple clamping structure, the petroleum machinery parts can be firmly clamped, so that the parts can be prevented from shaking or falling off during movement and detection, which greatly facilitates the defect detection of petroleum machinery parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0029] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0030] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of part B;

[0031] Figure 4 It is a schematic diagram of the three-dimensional cross-sectional assembly structure of the slide plate and the clamp in the utility model;

[0032] Figure 5 For this utility model Figure 2 A schematic diagram of the enlarged structure of the middle C part;

[0033] Figure 6 It is a schematic diagram of the top and cross-sectional assembly structure of the slide plate and the clamp in the utility model.

[0034] In the figure: 1, U-shaped bracket; 2, universal wheel; 3, vertical plate; 4, hydraulic cylinder; 5, slide plate; 6, clamp; 7, slide groove; 8, first slider; 9, screw rod; 10, first bevel gear; 11, motor; 12, second bevel gear; 13, slot; 14, clamping plate; 15, clamping rod; 16, chamber; 17, second slider; 18, bidirectional screw rod; 19, third bevel gear; 20, rotating rod; 21, fourth bevel gear. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0036] like Figure 1-6As shown, a workpiece fixture for defect detection of petroleum machinery parts comprises a U-shaped bracket 1, wherein the bottom four corners of the U-shaped bracket 1 are provided with universal wheels 2, two vertical plates 3 are slidably installed on the top inner wall of the U-shaped bracket 1, two hydraulic cylinders 4 are fixedly installed on both sides of the U-shaped bracket 1, the output rods of the hydraulic cylinders 4 extend into the U-shaped bracket 1 and are fixed on the corresponding vertical plates 3, a slide plate 5 is slidably installed on the side where the two vertical plates 3 are close to each other, a clamp 6 is provided on the side where the two slide plates 5 are close to each other, a slide groove 7 is provided on the side where the two vertical plates 3 are close to each other, two first sliders 8 are slidably installed in the slide groove 7, the same screw rod 9 is threaded through the two first sliders 8, and the top of the screw rod 9 is fixed A first bevel gear 10 is installed, and a motor 11 is fixedly installed on one side of the vertical plate 3. The output shaft of the motor 11 extends into the slide groove 7 and is fixedly installed with a second bevel gear 12. The second bevel gear 12 is meshed with the first bevel gear 10. Through a simple clamping structure, the petroleum machinery parts can be firmly clamped, thereby preventing the parts from shaking or falling off during movement and detection, which greatly facilitates the defect detection of petroleum machinery parts. The slide plate 5 also includes two card slots 13, and the two card slots 13 are both opened on one side of the slide plate 5. A card plate 14 is slidably installed in the card slot 13, and one side of the card plate 14 is fixed on the corresponding clamp 6. A card rod 15 slides through the card plate 14. The slide plate 5 is provided with a chamber 16, in which two second sliders 17 are slidably installed, one end of the clamping rod 15 extends into the chamber 16 and is fixed on the corresponding second slider 17, and the two second sliders 17 are threaded with the same bidirectional screw rod 18, and the bidirectional screw rod 18 is fixedly sleeved with a third bevel gear 19, and the slide plate 5 is rotatably installed with a rotating rod 20 on the side away from the clamp 6, and one end of the rotating rod 20 extends into the chamber 16 and is fixedly installed with a fourth bevel gear 21, and the fourth bevel gear 21 is meshed with the third bevel gear 19. Through such an arrangement, it is convenient to quickly disassemble and assemble the clamp 6, and then it is convenient to replace different clamps 6, so as to facilitate the clamping of different petroleum machinery parts. The U-shaped bracket 1 The first limiting rod is slidably penetrated on both sides, and one end of the first limiting rod is fixed on the corresponding vertical plate 3. By setting the first limiting rod, it is convenient to limit the vertical plate 3, so that the vertical plate 3 can be horizontally moved and the horizontal frame can be stable. Two rectangular through holes are penetrated on the top inner wall of the U-shaped bracket 1, and a third slider is slidably penetrated in the rectangular through hole, and the third slider is fixed on the top of the corresponding vertical plate 3. A second limiting rod is fixedly installed in the rectangular through hole, and the second limiting rod slides through the third slider. By setting such a setting, it is convenient to support and limit the vertical plate 3, so that the horizontal movement of the vertical plate 3 is more stable. A horizontal plate is fixedly installed in the slide groove 7, and the screw rod 9 rotates and penetrates the horizontal plate. By setting the horizontal plate, it is convenient to support and limit the screw rod 9.An anti-skid pad is fixedly installed in the clamp 6. The anti-skid pad is made of rubber. By setting the anti-skid pad, the oil machinery parts can be effectively prevented from slipping. A first circular hole is penetrated on the inner wall of one side of the chamber 16. The rotating rod 20 rotates and penetrates the first circular hole. Two support plates are fixedly installed in the chamber 16. The bidirectional screw rod 18 rotates and penetrates the two support plates. By setting the first circular hole, it is convenient to support and limit the rotating rod 20. A second circular hole is penetrated on the card plate 14. A third circular hole is penetrated between the chamber 16 and the card slot 13. The card rod 15 slides through the corresponding second and third circular holes. By setting the second and third circular holes, it is convenient for the card rod 15 to lock the card plate 14.

[0037] The working principle of the utility model is as follows: when in use, the clamp is first pushed to the petroleum machinery part that needs to be inspected, so that the part is in the U-shaped bracket 1, and then the two motors 11 are turned on, and the output shaft of the motor 11 drives the second bevel gear 12 to rotate, so that the first bevel gear 10 is driven to rotate, and the first bevel gear 10 drives the screw rod 9 to rotate, so that the two first sliders 8 are driven to slide and descend in the slide groove 7, and the two first sliders 8 drive the slide plate 5 to slide downward on the vertical plate 3, so that the clamp 6 is driven to descend to a suitable height, and then a plurality of hydraulic cylinders 4 are turned on, and the output rod of the hydraulic cylinder 4 drives the vertical plate 3 to move horizontally, and the two vertical plates 3 are close to each other, so that the two clamps 6 are pushed close to each other until the petroleum machinery part is clamped, and then the output shaft of the motor 11 is reversed, so that the clamp 6 is lifted, and the two clamps 6 drive the petroleum machinery part to rise to a suitable height, and then the parts can be inspected for defects. By setting it in this way, the petroleum The mechanical parts are firmly clamped, so that the parts can be prevented from shaking or falling off during movement and detection, which greatly facilitates the defect detection of petroleum machinery parts. When the clamp 6 needs to be replaced, the two rotating rods 20 are first rotated to drive the corresponding fourth bevel gear 21 to rotate, and the fourth bevel gear 21 drives the corresponding third bevel gear 19 to rotate, and the third bevel gear 19 drives the bidirectional screw rod 18 to rotate, so that the two second sliders 17 are driven to slide close to each other in the chamber 16, and the second slider 17 drives the clamping rod 15 to slide away from the corresponding clamping plate 14, so that the fixation of the clamping plate 14 is released, and then the clamp 6 is pulled, so that the two clamping plates 14 slide out of the corresponding clamping grooves 13 respectively, and the clamp 6 is removed, and then the required clamp 6 can be replaced. Through such a configuration, it is convenient to quickly disassemble and assemble the clamp 6, and then it is convenient to replace different clamps 6, so as to facilitate the clamping of different petroleum machinery parts.

[0038] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0039] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A workpiece fixture for defect detection of petroleum machinery parts, comprising a U-shaped bracket (1), characterized in that: Universal wheels (2) are provided at the four corners of the bottom of the U-shaped bracket (1); two vertical plates (3) are slidably mounted on the inner wall of the top of the U-shaped bracket (1); two hydraulic cylinders (4) are fixedly mounted on both sides of the U-shaped bracket (1); output rods of the hydraulic cylinders (4) extend into the U-shaped bracket (1) and are fixed on the corresponding vertical plates (3); slide plates (5) are slidably mounted on the sides of the two vertical plates (3) that are close to each other; clamps (6) are provided on the sides of the two slide plates (5) that are close to each other; 3) A slide groove (7) is provided on one side close to each other, and two first sliders (8) are slidably installed in the slide groove (7), and a same screw rod (9) is threadedly passed through the two first sliders (8), and a first bevel gear (10) is fixedly installed on the top of the screw rod (9), and a motor (11) is fixedly installed on one side of the vertical plate (3), and the output shaft of the motor (11) extends into the slide groove (7) and is fixedly installed with a second bevel gear (12), and the second bevel gear (12) is meshed with the first bevel gear (10).

2. The workpiece fixture for defect detection of petroleum machinery parts according to claim 1 is characterized in that: The slide plate (5) further comprises two card slots (13), both of which are provided on one side of the slide plate (5), a card plate (14) is slidably mounted in the card slots (13), one side of the card plate (14) is fixed on a corresponding card clip (6), a card rod (15) is slidably penetrated through the card plate (14), a chamber (16) is provided on the slide plate (5), two second sliders (17) are slidably mounted in the chamber (16), one end of the card rod (15) extends to the chamber (16) and fixed on the corresponding second slider (17), the two second sliders (17) are threaded with a same bidirectional screw rod (18), the bidirectional screw rod (18) is fixedly sleeved with a third bevel gear (19), the slide plate (5) is rotatably mounted on the side away from the clamp (6), one end of the rotating rod (20) extends into the chamber (16) and is fixedly mounted with a fourth bevel gear (21), the fourth bevel gear (21) is meshed with the third bevel gear (19).

3. The workpiece fixture for defect detection of petroleum machinery parts according to claim 1 is characterized in that: A first limiting rod is slidably passed through both sides of the U-shaped bracket (1), and one end of the first limiting rod is fixed on a corresponding vertical plate (3).

4. The workpiece fixture for defect detection of petroleum machinery parts according to claim 1 is characterized in that: The top inner wall of the U-shaped bracket (1) is penetrated by two rectangular through holes, a third slider is slidably penetrated in the rectangular through holes, the third slider is fixed to the top of the corresponding vertical plate (3), a second limit rod is fixedly installed in the rectangular through hole, and the second limit rod slides through the third slider.

5. The workpiece fixture for defect detection of petroleum machinery parts according to claim 1 is characterized in that: A transverse plate is fixedly installed in the slide groove (7), and the screw rod (9) rotates and penetrates the transverse plate.

6. The workpiece fixture for defect detection of petroleum machinery parts according to claim 1 is characterized in that: An anti-skid pad is fixedly installed inside the clamp (6), and the material of the anti-skid pad is rubber.

7. A workpiece fixture for defect detection of petroleum machinery parts according to claim 2, characterized in that: A first circular hole is penetrated on the inner wall of one side of the chamber (16), and the rotating rod (20) rotates and penetrates the first circular hole. Two support plates are fixedly installed in the chamber (16), and the bidirectional screw rod (18) rotates and penetrates the two support plates.

8. The workpiece fixture for defect detection of petroleum machinery parts according to claim 2, characterized in that: A second circular hole is penetrated through the clamping plate (14), a third circular hole is penetrated between the chamber (16) and the clamping slot (13), and the clamping rod (15) slides through the corresponding second circular hole and third circular hole.