Mechanical measuring device convenient to calibrate

Abstract

The utility model discloses a mechanical measuring device convenient to calibrate, and particularly relates to the technical field of equipment distance calibration, which comprises a movable column, a plurality of scales are arranged on the front side of the movable column, and an anti-drop withdrawing mechanism is movably connected in the movable column; the anti-falling retracting mechanism comprises two measuring rods, one side of each measuring rod is provided with a plurality of tooth grooves, the two sides of each measuring rod are movably connected with movable clamping blocks, the interiors of the movable clamping blocks are movably connected with two movable shafts, the outer sides of the movable shafts are movably connected with first springs, and the front ends of the two measuring rods are fixedly connected with buffer blocks. Compared with the prior art, by arranging the anti-falling withdrawing mechanism, the multiple movable clamping blocks slide through the two corresponding movable shafts and the first springs, serious abrasion caused by too much extending distance of the measuring rod is avoided, the sliding block slides on the outer side of the sliding rod and the two second springs, and in the measuring process, the sliding block is prevented from falling off. The service life of the device can be prolonged, and meanwhile time consumed by operation is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment distance calibration, and more specifically, to a mechanical measuring device which is convenient for calibration. Background Art

[0002] In industrial production, measuring instruments are usually required for the dimensional measurement of precision parts. Precision machining generally requires the coordinated operation of precision machining equipment. The distance between precision machining equipment is also an important determinant affecting the quality of the finished product.

[0003] The utility model patent with publication number CN214407283U discloses a measuring device with a locking structure for distance calibration of precision mechanical equipment. The existing spacing adjustment between precision mechanical processing equipment is usually performed by the operator through repeated measurement and calibration between the two devices, and this method of calibration consumes a long time and has low calibration accuracy. The above utility model completes the locking by pressing the calibration ejector pin with a locking screw. Secondly, the calibration ejector pin contains a locking hole with a fixed distance, and the locking hole is a commonly used fixed distance. When the calibration ejector pin is fixed, the scale reading in the recessed part on the side of the calibration ejector pin is read through a transparent protective cover, and then the reading of the calibration ejector pins on both sides plus the length of the main sleeve rod is the spacing between the two devices. It can realize the rapid measurement and calibration of the spacing between two precision mechanical equipment, and the calibration accuracy is high.

[0004] However, in actual use, when detecting the distance between two instruments, after the measuring rod is extended, the measuring device may be damaged due to the continued extension operation. Then, when resetting and calibrating the used measuring device, the operation steps need to be repeated, which is complicated and wastes working time. Utility Model Content

[0005] In order to overcome the above defects of the prior art, the utility model provides a mechanical measuring device that is easy to calibrate to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A mechanical measuring device convenient for calibration comprises a movable column, a plurality of scales are arranged on the front side of the movable column, and an anti-dropping and retracting mechanism is movably connected inside the movable column;

[0008] The anti-dropping and retracting mechanism includes two measuring rods, a plurality of tooth grooves are provided on one side of the two measuring rods, movable blocks are movably connected on both sides of the two measuring rods, two movable shafts are movably connected inside the plurality of movable blocks, first springs are movably connected on the outer sides of the plurality of movable shafts, buffer blocks are fixedly connected on the front ends of the two measuring rods, sliders are fixedly connected on the rear sides of the two measuring rods, sliding rods are fixedly connected on both sides of the movable column, and two second springs are movably connected on the outer sides of the two sliding rods.

[0009] By adopting the above technical solution: multiple scales are evenly distributed on the outside of the movable column, two measuring rods are movably connected inside the movable column, multiple tooth grooves are arranged on one side of the measuring rod, movable clamping blocks are movably connected on both sides of the two measuring rods, two movable shafts are movably connected inside the multiple movable clamping blocks, the first spring is movably connected on the outsides of the multiple movable shafts, the buffer block is fixedly connected at the front ends of the two measuring rods, the slider is fixedly connected at the rear sides of the two measuring rods, the sliding rod is fixedly connected on both sides inside the movable column, and the two second springs are movably connected on the outsides of the two sliding rods.

[0010] As a further description of the above technical solution:

[0011] The top of the movable column is movably connected with an arc-shaped cover plate, the bottom of the arc-shaped cover plate is fixedly connected with a telescopic rod, and the bottom of the telescopic rod is fixedly connected with a limiting block.

[0012] By adopting the above technical solution: the arc cover plate is movably connected to the top of the movable column, the telescopic rod is fixedly connected to the bottom of the arc cover plate, and the limit clamp block is fixedly connected to the bottom of the telescopic rod.

[0013] As a further description of the above technical solution:

[0014] A handle is fixedly connected to the bottom of the movable column, and a motor is movably connected inside the handle.

[0015] By adopting the above technical solution: the handle is fixedly connected to the bottom of the movable column, and the motor is movably connected inside the handle.

[0016] As a further description of the above technical solution:

[0017] The output end of the motor is coaxially connected with a gear, the bottom of the motor is fixedly connected with a sliding base plate, and the front end of the sliding base plate is fixedly connected with a pushing block.

[0018] By adopting the above technical solution: the gears are coaxially connected at the output end of the motor, the sliding base plate is fixedly connected to the bottom of the motor, and the pushing block is fixedly connected to the front end of the sliding base plate.

[0019] As a further description of the above technical solution:

[0020] The plurality of tooth grooves are evenly distributed on the outer side of the measuring rod, and the two movable blocks are symmetrically distributed at both ends of the measuring rod.

[0021] By adopting the above technical solution: a plurality of tooth grooves are evenly distributed on the outer side of the measuring rod, and two interactive card blocks are symmetrically arranged on both sides of the measuring rod.

[0022] Technical effects and advantages of the utility model:

[0023] By setting up the anti-dropping and retracting mechanism, compared with the prior art, a plurality of movable blocks slide through the corresponding two movable shafts and the first spring, so as to prevent the measuring rod from extending a long distance and causing serious wear. The slider slides with the two second springs on the outside of the sliding rod, which can increase the service life of the device and reduce the time consumed by the operation during the measurement process.

[0024] By setting a telescopic rod, a limit block, a handle, a motor, a gear and a pushing block, compared with the prior art, the motor drives the gear to extend the two measuring rods outward at a uniform speed, and the telescopic rod drives the limit block to fix the positions of the two measuring rods, thereby preventing the measuring rods from sliding during the movement, thereby improving the stability of movement after measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0026] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0027] Figure 3 This is a schematic diagram of the measuring rod structure of the utility model.

[0028] Figure 4 This is a schematic diagram of the internal structure of the handle of the present utility model.

[0029] Figure 5 It is a schematic diagram of the internal structure of the movable column of the utility model.

[0030] The accompanying drawings are marked as follows: 1. movable column; 2. scale; 3. measuring rod; 4. tooth groove; 5. movable block; 6. movable shaft; 7. first spring; 8. buffer block; 9. slider; 10. sliding rod; 11. second spring; 12. arc cover; 13. telescopic rod; 14. limit block; 15. handle; 16. motor; 17. gear; 18. sliding base plate; 19. push block. Implementation

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] The embodiment of the present application discloses a mechanical measuring device that is convenient for calibration, specifically comprising a movable column 1, a plurality of scales 2 are arranged on the front side of the movable column 1, and an anti-dropping retraction mechanism is movably connected inside the movable column 1;

[0033] The anti-dropping and retracting mechanism includes two measuring rods 3, a plurality of tooth grooves 4 are arranged on one side of the two measuring rods 3, movable clamping blocks 5 are movably connected on both sides of the two measuring rods 3, two movable shafts 6 are movably connected inside the plurality of movable clamping blocks 5, first springs 7 are movably connected on the outer sides of the plurality of movable shafts 6, buffer blocks 8 are fixedly connected to the front ends of the two measuring rods 3, sliders 9 are fixedly connected to the rear sides of the two measuring rods 3, sliding rods 10 are fixedly connected on both sides of the inner side of the movable column 1, and two second springs 11 are movably connected on the outer sides of the two sliding rods 10.

[0034] Reference Figure 3 As shown, a plurality of tooth grooves 4 are provided on one side of the two measuring rods 3, movable clamping blocks 5 are movably connected on both sides of the two measuring rods 3, two movable shafts 6 are movably connected inside the plurality of movable clamping blocks 5, a first spring 7 is movably connected on the outer sides of the plurality of movable shafts 6, a buffer block 8 is fixedly connected to the front end of the two measuring rods 3, and a slider 9 is fixedly connected to the rear side of the two measuring rods 3, which can make the measuring rods more stable when moving and increase the service life of the device.

[0035] Reference Figure 4 As shown, a handle 15 is fixedly connected to the bottom of the movable column 1, a motor 16 is movably connected inside the handle 15, a gear 17 is coaxially connected to the output end of the motor 16, a sliding base plate 18 is fixedly connected to the bottom of the motor 16, and a pushing block 19 is fixedly connected to the front end of the sliding base plate 18, which can evenly extend the measuring rod.

[0036] Reference Figure 5 As shown, the top of the movable column 1 is movably connected with an arc-shaped cover plate 12, the bottom of the arc-shaped cover plate 12 is fixedly connected with a telescopic rod 13, and the bottom of the telescopic rod 13 is fixedly connected with a limiting block 14, which can quickly fix the measuring rod to facilitate data recording.

[0037] The working principle of the utility model is as follows: when in use, the measuring device is aligned with the distance between two devices to measure the distance, the pushing block 19 is first pushed upward along the handle 15, the pushing block 19 drives the sliding bottom plate 18 to move the motor 16 upward along the inside of the handle 15, and then the gear 17 is moved upward between the two measuring rods 3, the tooth grooves 4 on the surfaces of the two measuring rods 3 are meshed with the gear 17, and then the motor 16 is started to rotate, the two measuring rods 3 are extended in opposite directions, and then the two measuring rods 3 are aligned between the two machines, and when the two buffer blocks 8 are aligned with the surfaces of the two machines, the telescopic rod 13 pushes the limit card block 14 to move downward, and the limit card block 14 fixes the two measuring rods 3 to avoid the two measuring rods 3 from being out of alignment when recording data. The measuring rods 3 slip, resulting in inaccurate data. When measuring larger data later, when the measuring device reaches the limit distance, the gear 17 drives the movable block 5 at the rear end of the two measuring rods 3 to compress the first spring 7 along the direction of the movable axis 6. When the two measuring rods 3 are extended, it can avoid extending beyond the specified range and reduce the wear of the measuring device. Finally, after the measurement is completed, the push block 19 is pressed downward to disconnect the gear 17 from the tooth groove 4 on one side of the two measuring rods 3. At the same time, the telescopic rod 13 drives the limit block 14 to move upward, and then the two second springs 11 push the middle slider 9 to the middle position inside the movable column 1, which can be quickly retracted to avoid repeated operations and waste of time.

[0038] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited and can be determined using conventional equipment. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the prior art and will not be described here.

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A mechanical measuring device for convenient calibration, comprising a movable column (1), characterized in that: A plurality of scales (2) are arranged on the front side of the movable column (1), and an anti-dropping retracting mechanism is movably connected inside the movable column (1); The anti-dropping and retracting mechanism comprises two measuring rods (3), one side of each of the two measuring rods (3) is provided with a plurality of tooth grooves (4), both sides of the two measuring rods (3) are movably connected with movable clamping blocks (5), the interiors of the plurality of movable clamping blocks (5) are movably connected with two movable shafts (6), the exteriors of the plurality of movable shafts (6) are movably connected with first springs (7), the front ends of the two measuring rods (3) are fixedly connected with buffer blocks (8), the rear sides of the two measuring rods (3) are fixedly connected with sliders (9), both sides of the interior of the movable column (1) are fixedly connected with sliding rods (10), and the exteriors of the two sliding rods (10) are movably connected with two second springs (11).

2. A mechanical measuring device for convenient calibration according to claim 1, characterized in that: The top of the movable column (1) is movably connected to an arc-shaped cover plate (12), the bottom of the arc-shaped cover plate (12) is fixedly connected to a telescopic rod (13), and the bottom of the telescopic rod (13) is fixedly connected to a limiting clamping block (14).

3. A mechanical measuring device for convenient calibration according to claim 1, characterized in that: A handle (15) is fixedly connected to the bottom of the movable column (1), and a motor (16) is movably connected inside the handle (15).

4. A mechanical measuring device for convenient calibration according to claim 3, characterized in that: The output end of the motor (16) is coaxially connected to a gear (17), the bottom of the motor (16) is fixedly connected to a sliding base plate (18), and the front end of the sliding base plate (18) is fixedly connected to a pushing block (19).

5. A mechanical measuring device for convenient calibration according to claim 1, characterized in that: The plurality of tooth grooves (4) are evenly distributed on the outside of the measuring rod (3), and the two movable clamping blocks (5) are symmetrically distributed at both ends of the measuring rod (3).

6. A mechanical measuring device for convenient calibration according to claim 1, characterized in that: The two movable shafts (6) are symmetrically distributed inside the movable clamping block (5), and the two second springs (11) are symmetrically distributed outside the sliding rod (10).

7. A mechanical measuring device for convenient calibration according to claim 1, characterized in that: The two measuring rods (3) are movably connected inside the movable column (1), and the two sliding rods (10) are symmetrically distributed inside the movable column (1).

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