Measuring tool for rapidly measuring height of ultrathin arm shaft shoulder of impeller shaft

By designing a measuring tool that quickly measures the height of the extremely thin arm shoulder of the impeller shaft including fixtures, measuring parts, measuring tables, measuring rods and springs, the problem of inaccurate measurements and long time in the prior art is solved, and more efficient and accurate measurement results are achieved.

CN222544603UActive Publication Date: 2025-02-28中国航发南京航空动力有限责任公司
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Patent Information

Application Number
CN202421433483.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-02-28
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The prior art is not accurate enough when measuring the height of the arm shoulder of the impeller shaft, and the traditional method results in long measurement time and frequent rework.

Method used

A measuring tool is designed to quickly measure the height of the extremely thin arm shaft shoulder, including fixtures, measuring parts, measuring tables, measuring rods and springs. Through the rotation of screws and screws, the fixtures are placed on the impeller shaft, the measuring rod rotates and is driven by a spring, and the measurement table shows the measurement results.

Benefits of technology

It improves the accuracy and efficiency of measurement of impeller shaft shoulder size, shortens measurement and trim time, and reduces the occurrence of rework.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a measuring tool for rapidly measuring the height of an ultrathin arm shaft shoulder of an impeller shaft, which relates to the technical field of machining and comprises a fixing piece, the cross section of the fixing piece is V-shaped, the upper surface of the fixing piece is fixedly connected with a measuring piece, a screw is inserted into one side of the measuring piece in a threaded manner, and the other side of the measuring piece is provided with a nut. A measuring meter is inserted in the position, corresponding to the screw, of the measuring piece in a sliding mode, a measuring rod is rotationally connected into the measuring piece, a spring is fixedly connected into the measuring piece, the other end of the spring is fixedly connected with the measuring rod, the section of the measuring rod is in a hook shape, and a baffle is fixedly connected to the bottom of the measuring piece. According to the utility model, the inspection efficiency of measuring the size of the shaft shoulder of the impeller shaft, especially an ultra-thin arm shaft shoulder, can be effectively improved, and the size needing to be measured can be more intuitively measured through a numerical value reading mode, so that the measurement accuracy is improved, and the finishing time in the processing and three-coordinate inspection process is shortened.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a measuring tool for quickly measuring the height of an extremely thin arm shoulder of an impeller shaft. Background Art

[0002] The fast measuring tool for measuring the height of the thin-arm shoulder of an impeller shaft of the present invention is mainly used for measuring the shoulder size of the impeller shaft of a certain product, especially the thin-arm shoulder. Due to the extremely small size of the measurable shoulder, the limited measuring space of the machine tool and the influence of the surface cutting fluid, the traditional measurement method of the card plate, caliper and three-coordinate is extremely inconvenient and not accurate enough, and the measurement and rework time is long. It is necessary to improve the existing measurement method, improve the measurement accuracy, and shorten the measurement time of the on-site production and processing stage and the inspection stage. In addition, the deviation generated in the processing process can be corrected during the production process to avoid rework caused by unqualified processing dimensions. Utility Model Content

[0003] The utility model is to solve the shortcomings in the prior art and propose a measuring tool for quickly measuring the height of the extremely thin arm shoulder of an impeller shaft.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a measuring tool for quickly measuring the height of the extremely thin arm shoulder of an impeller shaft, comprising a fixing part, the cross-section of the fixing part is in a "V" shape, a measuring part is fixedly connected to the upper surface of the fixing part, a screw is threadedly inserted on one side of the measuring part, a measuring table is slidably inserted on the measuring part corresponding to the screw, a measuring rod is rotatably connected to the inside of the measuring part, a spring is fixedly connected to the inside of the measuring part, the other end of the spring is fixedly connected to the measuring rod, the cross-section of the measuring rod is hook-shaped, and a baffle is fixedly connected to the bottom of the measuring part.

[0005] The effect achieved by the above components is: when it is necessary to measure the workpiece, first insert the measuring gauge into the inside of the measuring piece, then turn the screw, the screw squeezes the measuring gauge, and achieves the effect of fixing the measuring gauge, then the fixing piece is placed on the impeller shaft, one end of the baffle is against one side of the impeller shaft, the impeller shaft squeezes the measuring rod, the measuring rod rotates, the spring deforms, one end of the measuring rod lifts the measuring needle of the measuring gauge, the value of the measuring gauge changes, the staff marks the value, and thus determines whether the impeller shaft is qualified. After the measurement, the impeller shaft is removed from the fixing piece, and under the action of the spring reset force, the measuring rod returns to its original position, which is convenient for the next measurement. The above steps can effectively improve the inspection efficiency of the impeller shaft shoulder size measurement, especially the extremely thin arm shoulder, and can more intuitively measure the size to be measured by reading the value, thereby improving the measurement accuracy and shortening the finishing time during processing and three-coordinate inspection.

[0006] Preferably, a reserved hole is opened on the surface of the baffle, and the measuring rod passes through the reserved hole.

[0007] The effect achieved by the above components is: by passing the measuring needle through the reserved hole of the baffle, interference between the measuring rod and the block is avoided.

[0008] Preferably, a fixing device is provided on one side of the fixing piece, and the fixing device includes a fixing belt, the fixing belt is fixedly connected to one side of the fixing piece, and the other side of the fixing belt is fixedly connected to a square tube, the fixing belt passes through the square tube, and a screw is threadedly connected to the surface of the square tube, and one end of the screw located inside the square tube is rotatably connected to a splint.

[0009] The effect achieved by the above components is: when fixing the impeller shaft, after placing the fixing part above the impeller shaft, the staff pulls one end of the fixing belt, and the fixing belt binds the impeller shaft, thereby achieving the effect of fixing the impeller shaft and preventing the impeller shaft from shaking during measurement. Finally, the staff rotates the screw, and the screw moves with the clamping plate in the direction of the fixing belt, and the clamping plate squeezes the fixing belt to fix the fixing belt. The fixing device achieves the effect of fixing the impeller shaft, thereby preventing the impeller shaft from shaking during measurement and improving the practicability of the measuring tool.

[0010] Preferably, one end of the screw is fixedly connected to a handle, and the surface of the handle is provided with anti-slip patterns.

[0011] The effect achieved by the above components is: by providing the handle, it is convenient for the staff to rotate the screw, which brings convenience to the staff.

[0012] Preferably, two mutually symmetrical limiting rods are slidably penetrated through the surface of the square tube, and one end of the limiting rod is fixedly connected to the clamping plate.

[0013] The effect achieved by the above components is: by setting the limit rod, the effect of limiting the moving direction of the clamping plate is achieved, thereby improving the stability of the movement of the clamping plate.

[0014] Preferably, a rubber pad is fixedly connected to one side of the clamping plate away from the screw rod, and the size of the rubber pad is matched with the size of the clamping plate.

[0015] The effect achieved by the above components is: the friction between the clamping plate and the fixing belt is increased by arranging the rubber pad, thereby preventing the clamping plate and the fixing belt from sliding.

[0016] Preferably, one end of the fixing belt is fixedly connected to a control block, and the size of the control block is larger than the size of the square tube.

[0017] The effect achieved by the above components is: by setting the control block, the maximum displacement of the fixing belt is limited, thereby preventing the fixing belt from being passed back through the square tube, which causes the staff to need to put on the fixing belt again, causing inconvenience to the staff.

[0018] Preferably, a round hole is provided on the surface of the control block. The above components have the following effects: when the staff needs to move the fixing belt through the control block, the staff can put their fingers through the round hole, which makes it easier for the staff to move the fixing belt and brings convenience to the staff.

[0019] In summary, the beneficial effects of the utility model are:

[0020] When it is necessary to measure the workpiece, first insert the measuring gauge into the measuring piece, then turn the screw, the screw squeezes the measuring gauge, and achieves the effect of fixing the measuring gauge. Then the fixing piece is placed on the impeller shaft, one end of the baffle is against one side of the impeller shaft, the impeller shaft squeezes the measuring rod, the measuring rod rotates, the spring deforms, one end of the measuring rod lifts the measuring needle of the measuring gauge, the value of the measuring gauge changes, the staff marks the value, and judges whether the impeller shaft is qualified. After the measurement, the impeller shaft is removed from the fixing piece, and under the action of the spring reset force, the measuring rod returns to its original place, which is convenient for the next measurement. The above steps can effectively improve the inspection efficiency of the impeller shaft shoulder size measurement, especially the extremely thin arm shoulder. By reading the value, the size to be measured can be measured more intuitively, thereby improving the measurement accuracy and shortening the finishing time during processing and three-coordinate inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 For this utility model Figure 1 A cross-sectional view of

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the fixing device of the utility model;

[0024] Figure 4 It is a three-dimensional structural schematic diagram of the square passage of the utility model.

[0025] Legend: 1. Fixing part; 2. Fixing device; 21. Fixing belt; 22. Square tube; 23. Screw; 24. Clamp; 25. Handle; 26. Limit rod; 27. Rubber pad; 28. Control block; 29. ​​Round hole; 3. Screw; 4. Measuring table; 5. Baffle; 6. Reserved hole; 7. Measuring rod; 8. Measuring part. DETAILED DESCRIPTION

[0026] Reference Figure 1-4As shown, this embodiment discloses a measuring tool for quickly measuring the height of the extremely thin arm shoulder of an impeller shaft, comprising a fixing member 1, wherein the cross section of the fixing member 1 is in a "V" shape, a measuring member 8 is fixedly connected to the upper surface of the fixing member 1, a screw 3 is threadedly inserted into one side of the measuring member 8, a measuring gauge 4 is slidably inserted into the measuring member 8 corresponding to the screw 3, a measuring rod 7 is rotatably connected to the inside of the measuring member 8, a spring is fixedly connected to the inside of the measuring member 8, the other end of the spring is fixedly connected to the measuring rod 7, the cross section of the measuring rod 7 is hook-shaped, and a baffle 5 is fixedly connected to the bottom of the measuring member 8. When it is necessary to measure the workpiece, first insert the measuring gauge 4 into the measuring part 8, then turn the screw 3, the screw 3 squeezes the measuring gauge 4, and the measuring gauge 4 is fixed. Then the fixing part 1 is placed on the impeller shaft, one end of the baffle 5 is against one side of the impeller shaft, the impeller shaft squeezes the measuring rod 7, the measuring rod 7 rotates, the spring deforms, one end of the measuring rod 7 lifts the measuring needle of the measuring gauge 4, the value of the measuring gauge 4 changes, the staff marks the value, and judges whether the impeller shaft is qualified. After the measurement, the impeller shaft is removed from the fixing part 1, and under the action of the spring reset elastic force, the measuring rod 7 returns to its original place, which is convenient for the next measurement. The above steps can effectively improve the inspection efficiency of the impeller shaft shoulder size measurement, especially the extremely thin arm shoulder. By reading the value, the size to be measured can be measured more intuitively, thereby improving the measurement accuracy and shortening the finishing time during the processing and three-coordinate inspection process. A reserved hole 6 is opened on the surface of the baffle 5, and the measuring rod 7 passes through the reserved hole 6. By passing the measuring needle through the reserved hole 6 of the baffle 5, interference between the measuring rod 7 and the stopper is avoided.

[0027] Reference Figure 1-4 As shown, a fixing device 2 is provided on one side of the fixing member 1, and the fixing device 2 includes a fixing belt 21, the fixing belt 21 is fixedly connected to one side of the fixing member 1, and a square tube 22 is fixedly connected to the other side of the fixing belt 21, and the fixing belt 21 passes through the square tube 22, and a screw 23 is threadedly connected to the surface of the square tube 22, and a clamping plate 24 is rotatably connected to one end of the screw 23 located inside the square tube 22. When fixing the impeller shaft, after placing the fixing member 1 above the impeller shaft, the staff pulls one end of the fixing belt 21, and the fixing belt 21 binds the impeller shaft, thereby achieving the effect of fixing the impeller shaft and preventing the impeller shaft from shaking during measurement. Finally, the staff rotates the screw 23, and the screw 23 moves with the clamping plate 24 in the direction of the fixing belt 21, and the clamping plate 24 squeezes the fixing belt 21 to fix the fixing belt 21. The fixing device 2 achieves the effect of fixing the impeller shaft, thereby preventing the impeller shaft from shaking during measurement, and improving the practicality of the measuring tool.

[0028] Reference Figure 1-4As shown, one end of the screw rod 23 is fixedly connected to a handle 25, and the surface of the handle 25 is provided with anti-slip grooves. By providing the handle 25, the effect of facilitating the staff to rotate the screw rod 23 is achieved, which brings convenience to the staff. Two mutually symmetrical limit rods 26 are slidably penetrated through the surface of the square tube 22, and one end of the limit rod 26 is fixedly connected to the splint 24. By providing the limit rod 26, the effect of limiting the moving direction of the splint 24 is achieved, thereby improving the stability of the movement of the splint 24. A rubber pad 27 is fixedly connected to the side of the splint 24 away from the screw rod 23, and the size of the rubber pad 27 is adapted to the size of the splint 24. By providing the rubber pad 27, the friction between the splint 24 and the fixing belt 21 is increased to prevent the splint 24 from sliding with the fixing belt 21.

[0029] Reference Figure 1-4 As shown, one end of the fixing belt 21 is fixedly connected to a control block 28, and the size of the control block 28 is larger than the size of the square tube 22. By setting the control block 28, the maximum displacement of the fixing belt 21 is limited, so as to prevent the fixing belt 21 from passing back through the square tube 22, thereby causing the staff to need to re-wear the fixing belt 21, which causes inconvenience to the staff. A circular hole 29 is provided on the surface of the control block 28. When the staff needs to move the fixing belt 21 through the control block 28, the staff puts their fingers through the circular hole 29, which facilitates the staff to move the fixing belt 21 and brings convenience to the staff.

[0030] Working principle: when it is necessary to measure the workpiece, first insert the measuring gauge 4 into the measuring part 8, then turn the screw 3, the screw 3 squeezes the measuring gauge 4, and achieves the effect of fixing the measuring gauge 4, then the fixing part 1 is placed on the impeller shaft, one end of the baffle 5 is against one side of the impeller shaft, the impeller shaft squeezes the measuring rod 7, the measuring rod 7 rotates, the spring deforms, one end of the measuring rod 7 lifts the measuring needle of the measuring gauge 4, the value of the measuring gauge 4 changes, the staff marks the value, and judges whether the impeller shaft is qualified. After the measurement, the impeller shaft is removed from the fixing part 1, and under the action of the spring reset force, the measuring rod 7 returns to its original place, which is convenient for the next measurement. The above steps can effectively improve the inspection efficiency of the impeller shaft shoulder size measurement, especially the extremely thin arm shoulder, and can more intuitively measure the size to be measured by reading the value, thereby improving the measurement accuracy and shortening the finishing time during processing and three-coordinate inspection.

[0031] When fixing the impeller shaft, after placing the fixing part 1 above the impeller shaft, the staff pulls the fixing belt 21 through the circular hole 29 on the control block 28, and the fixing belt 21 binds the impeller shaft, thereby achieving the effect of fixing the impeller shaft and preventing the impeller shaft from shaking during measurement. Finally, the staff rotates the screw 23 through the handle 25, and the screw 23 moves with the clamping plate 24 in the direction of the fixing belt 21. The clamping plate 24 squeezes the fixing belt 21 with the help of the rubber pad 27 to fix the fixing belt 21. The fixing device 2 achieves the effect of fixing the impeller shaft, thereby preventing the impeller shaft from shaking during measurement, and improving the practicability of the measuring tool.

Claims

1. A rapid measuring tool for measuring the height of the impeller shaft's extremely thin arm shoulder, characterized by: The invention comprises a fixing member (1), wherein the cross section of the fixing member (1) is in a "V" shape, a measuring member (8) is fixedly connected to the upper surface of the fixing member (1), a screw (3) is threadedly inserted into one side of the measuring member (8), a measuring gauge (4) is slidably inserted into the measuring member (8) corresponding to the screw (3), a measuring rod (7) is rotatably connected to the inside of the measuring member (8), a spring is fixedly connected to the inside of the measuring member (8), the other end of the spring is fixedly connected to the measuring rod (7), the cross section of the measuring rod (7) is hook-shaped, and a baffle (5) is fixedly connected to the bottom of the measuring member (8).

2. A rapid measuring tool for measuring the height of the impeller shaft's extremely thin arm shoulder according to claim 1, characterized in that: A reserved hole (6) is provided on the surface of the baffle (5), and the measuring rod (7) passes through the reserved hole (6).

3. A rapid measuring tool for measuring the height of the impeller shaft's extremely thin arm shoulder according to claim 1, characterized in that: A fixing device (2) is provided on one side of the fixing member (1), and the fixing device (2) comprises a fixing belt (21), the fixing belt (21) is fixedly connected to one side of the fixing member (1), and the other side of the fixing belt (21) is fixedly connected to a square tube (22), the fixing belt (21) passes through the square tube (22), a screw rod (23) is threadedly connected to the surface of the square tube (22), and one end of the screw rod (23) located inside the square tube (22) is rotatably connected to a clamping plate (24).

4. A rapid measuring tool for measuring the height of the impeller shaft's extremely thin arm shoulder according to claim 3, characterized in that: One end of the screw rod (23) is fixedly connected to a handle (25), and a surface of the handle (25) is provided with anti-slip patterns.

5. The rapid measuring tool for measuring the height of the impeller shaft's extremely thin arm shoulder according to claim 3, characterized in that: Two mutually symmetrical limiting rods (26) are slidably penetrated through the surface of the square tube (22), and one end of the limiting rod (26) is fixedly connected to the clamping plate (24).

6. A rapid measuring tool for measuring the height of the impeller shaft's extremely thin arm shoulder according to claim 3, characterized in that: A rubber pad (27) is fixedly connected to a side of the clamping plate (24) away from the screw rod (23), and the size of the rubber pad (27) is adapted to the size of the clamping plate (24).

7. A rapid measuring tool for measuring the height of the impeller shaft's extremely thin arm shoulder according to claim 3, characterized in that: One end of the fixing belt (21) is fixedly connected to a control block (28), and the size of the control block (28) is larger than the size of the square tube (22).

8. A rapid measuring tool for measuring the height of the impeller shaft's extremely thin arm shoulder according to claim 7, characterized in that: A circular hole (29) is provided on the surface of the control block (28).