CN217877471U - Major diameter external diameter area table measuring device - Google Patents

Abstract

The present application relates to the field of measurement, in particular to a measuring device with a large-diameter outer diameter band meter, which includes a ring frame, an abutment block, a measuring head, an abutment rod and a digital dial indicator, and the abutment block is provided with two , the two abutting blocks are connected to one end of the ring frame, the measuring head is slidably connected to one end of the ring frame connected to the abutting block, and the measuring head is located on the center line of the two abutting blocks , the contact rod is connected with the measuring head, and the contact rod conflicts with the measuring rod of the digital display dial indicator. The present application has the effect of improving the efficiency of outer diameter measurement.

Description

A large-diameter outer-diameter belt meter measuring device

technical field

The present application relates to the field of measurement, in particular to a large-diameter outer-diameter band meter measuring device.

Background technique

In mechanical manufacturing, there is a kind of workpiece whose end surface is connected with a circular ring. During the production process of the workpiece, the outer diameter of the circular ring needs to be strictly measured.

The Chinese patent with the notification number CN202471038U discloses an outer diameter measuring device, which includes a main body with a workbench, two oppositely arranged measuring heads for measuring the outer diameter of the workpiece to be measured, and the two measuring heads pass through an adjusting arm respectively. Connected to the main body, the end of the adjustment arm relative to the measurement head has a second adjustment mechanism that can adjust the position of the measurement head in a direction perpendicular to the feeding direction of the workpiece to be measured, and the other end of the adjustment arm relative to the measurement head passes through a The first adjustment mechanism capable of adjusting the position of the measuring head along the feed direction of the workpiece to be measured is connected to the main body. The mechanism and the adjustment arm repeatedly measure the piece to be tested, compare the results of the measured values, and determine the diameter position of the piece to be tested until the measurement result is the maximum value of the measured data, and measure the outer diameter of the piece to be tested.

When using the above-mentioned measuring device to measure the outer diameter, it is difficult to determine the diameter position of the test piece. It is necessary to repeatedly measure the test piece until the maximum data is measured, which is the length of the diameter of the center of the test piece. Each test piece It takes a long time to measure the outer diameter to obtain the result value after multiple measurements and comparisons.

Utility model content

In order to improve the efficiency of outer diameter measurement, the present application provides a large-diameter outer diameter measuring device with a meter.

A large-diameter outer-diameter band meter measuring device provided by the application adopts the following technical scheme:

A measuring device with a large-diameter outer diameter belt gauge, including a ring frame, a pressing block, a measuring head, a pressing bar and a digital display dial indicator, two pressing blocks are provided, and the two pressing blocks are connected to On one end of the ring frame, the measuring head is slidably connected to one end of the ring frame connected to the pressing block, the measuring head is located on the center line of the two pressing blocks, the pressing rod and the measuring head connected, and the contact rod is in conflict with the measuring rod of the digital display dial indicator.

By adopting the above technical scheme, the two pressing blocks form a chord length on the ring frame, thereby fixing a chord length of the sample, and the measuring head is located on the center line of the two pressing blocks, so that when the operator measures the outer diameter, It is convenient for the operator to locate the center of the circle where the outer diameter of the sample to be measured is located, thereby facilitating the operator to measure the outer diameter and improving the efficiency of outer diameter measurement.

Optionally, a mounting seat is connected to the ring frame, and a sliding groove is provided on the mounting seat, and the sliding groove runs through both ends of the mounting seat, and the measuring head is slidably connected to the sliding In the groove, the mounting seat is slidably connected with a slider through a cross roller guide rail, the cross roller guide rail and the slider are located in the sliding groove, and the measuring head is connected to the slider near the delivery destination. One end of the tight block, the said contact rod is connected to the end of the slide block away from the measuring head.

By adopting the above technical solution, the installation seat and the slider are connected together through the cross roller guide rail, which improves the stability of the slider when sliding.

Optionally, an arc measuring rod is connected to the pressing block and the measuring head.

By adopting the above technical scheme, when measuring the outer diameter, the arc-shaped measuring rod is in conflict with the outer wall of the sample, avoiding the direct contact between the measuring head and the pressing block and the outer wall of the sample, and reducing the pressure of the measuring head and the pressing block in the process of measuring the outer diameter. The wear generated in the process prolongs the service life of the probe and the compression block.

Optionally, a protective cover is connected to the mounting base.

By adopting the above technical scheme, the protective cover is set on the mounting seat, so that the external dust will not adhere to the positioning bar and the positioning bar, which reduces the influence of external dust on the sliding fit between the positioning bar and the positioning groove, and makes the sliding block Glides smoothly.

Optionally, a protective block is connected to the end of the mounting seat close to the pole, and a circular hole is arranged on the protective block, and the pole and the measuring rod of the digital display dial indicator are located in the circular hole.

By adopting the above technical scheme, the plunger and the measuring rod of the digital display dial indicator are located in the protective cover, and the protective cover protects the plunger rod and the measuring rod of the digital display dial indicator, so that when measuring the outer diameter, the plunger rod and the digital display dial indicator The measuring rod of dial indicator 4 will not be bumped.

Optionally, the end of the protective cover away from the mounting seat is connected to a connecting cylinder, and the side wall of the connecting cylinder away from the end of the protective cover is provided with elastic grooves, and the elastic grooves are provided with several, several The two elastic grooves are arrayed on the connecting cylinder with the axis center of the connecting cylinder as the center, and a U-shaped clip is sleeved on the connecting cylinder, and the arc part inside the U-shaped clip is connected to the connecting cylinder. The two vertical plates of the U-shaped clamp are connected together by bolts and nuts. A riser, the nut is threadedly connected to one end where the bolt passes through the riser of the U-shaped clamp, and the nut is pressed against the riser of the U-shaped clamp.

By adopting the above technical scheme, when installing the digital display dial indicator, firstly insert the measuring end of the digital display dial indicator into the chuck, and the side wall of the chuck is provided with an open groove, so that the chuck is far away from the opening at the end of the protective cover The diameter is variable so that the chuck can be matched with different sizes of digital dial indicators. When the digital dial indicator is inserted into the chuck, the measuring end of the digital dial indicator will support the opening of the end of the chuck away from the protective cover. Open, the inner wall of the clamp is in close contact with the measuring end of the digital dial indicator, and then the U-shaped clamp is set on the clamp, so that the arc part inside the U-shaped clamp fits the clamp, and then rotate and clamp The bolt makes the clamping bolt pass through the two vertical plates of the U-shaped clip, and then the clamping nut is sleeved on the clamping bolt, and the clamping nut is rotated so that the clamping nut is against the vertical plate of the U-shaped clip, so that the clip The cylinder is clamped in the U-shaped clamp, and the measuring end of the digital indicator is clamped in the clamp cylinder.

Optionally, threads are provided on the outer wall of the connecting cylinder, threads are provided on the inner wall of the protective cover, and the connecting cylinder is threadedly connected with the protective cover.

By adopting the above technical scheme, after the digital display dial indicator is installed on the chuck, the chuck is rotated, and the chuck is threadedly connected to the protective cover, which facilitates the installation and disassembly of the digital display dial indicator.

Optionally, a spring is connected to the end of the slider far away from the measuring head, and the end of the spring far away from the slider is in contact with the connecting cylinder. The rod sits within the spring, which is in compression when the outer diameter is measured.

By adopting the above technical solution, after the outer diameter measurement is completed, the tight relationship between the curved measuring rod on the measuring head and the outer wall of the opening is released, and the spring returns from a compressed state to a natural state, so that the measuring head automatically resets.

In summary, the present application includes at least one of the following beneficial technical effects:

1. Two pressing blocks form a chord length on the ring frame, thereby fixing a chord length of the sample. The measuring head is located on the center line of the two pressing blocks, so that the operator can easily position when measuring the outer diameter The center of the circle where the outer diameter of the sample is to be measured is convenient for the operator to measure the outer diameter and improves the efficiency of outer diameter measurement;

2. When measuring the outer diameter, the curved measuring rod is in contact with the outer wall of the sample, avoiding the direct contact between the probe and the pressing block and the outer wall of the sample, and reducing the wear of the measuring head and the pressing block in the process of measuring the outer diameter , prolonging the service life of the measuring head and the pressing block;

3. After the outer diameter measurement is completed, the tight relationship between the curved measuring rod on the probe and the outer wall of the opening is released, and the spring returns to the natural state from the compressed state, so that the probe automatically resets.

Description of drawings

Fig. 1 is the structural schematic diagram of a kind of large-diameter outer-diameter belt meter measuring device in the embodiment 1 of the present application;

Fig. 2 is a schematic diagram of the positional relationship between the pressing block and the ring frame in Embodiment 1 of the present application;

Fig. 3 is a schematic diagram of the positional relationship between the slider and the mounting seat in Embodiment 1 of the present application;

Fig. 4 is a schematic diagram of the positional relationship between the connecting cylinder and the protective block in Example 1 of the present application;

Fig. 5 is a sectional view for embodying A-A direction in Fig. 4;

Fig. 6 is a schematic diagram of the positional relationship between the slider and the spring in Embodiment 2 of the present application.

Explanation of reference signs: 1. ring frame; 2. pressing block; 3. measuring head; 4. digital display dial indicator; 5. handle; 6. arc-shaped measuring rod; 7. mounting base; 9. Cross roller guide rail; 10. Slider; 11. Foot; 12. Protective cover; 13. Protective block; 14. Round hole; 15. Connecting cylinder; 16. Elastic groove; 17. U-shaped clip; 18. Bolt ; 19, nut; 20, spring; 21, the piece to be tested; 22, the installation groove.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-6.

The embodiment of the application discloses a large-diameter outer-diameter band meter measuring device.

Example 1

Referring to Fig. 1 and Fig. 2, a kind of large-diameter outer-diameter belt-meter measuring device comprises a ring frame 1, a pressing block 2, a measuring head 3, a stop rod and a digital indicator 4, and the outer wall of the ring frame 1 is connected with There are two handles 5 , and the two handles 5 are arranged symmetrically around the axis of the ring frame 1 .

Referring to Figures 1 and 2, the abutment block 2 is fixedly connected to one end of the ring frame 1, and there are two abutment blocks 2, and the angle between the two abutment blocks 2 and the axis of the ring frame 1 is 90 degrees , the cross-section of the pressing block 2 is L-shaped, and a vertical part of the pressing block 2 is connected to the end surface of the ring frame 1 .

Referring to Fig. 2 and Fig. 3, an installation groove 22 is provided on the side wall of the ring frame 1 connected to the block 2, and a mounting seat 7 is connected to the ring frame 1, and one end of the mounting seat 7 is located in the mounting groove 22, The mounting seat 7 is provided with a sliding groove 8, the sliding groove 8 runs through both ends of the mounting seat 7, the mounting seat 7 is slidably connected with a slider 10 through the cross roller guide rail 9, and the cross roller guide rail 9 and the slider 10 are located in the sliding groove 8, the cross roller guide rail 9 is connected between the mounting base 7 and the slider 10, the probe 3 is connected to the side of the slider 10 close to the pressing block 2, and the measuring head 3 is located on the center line of the two pressing blocks 2 .

Referring to Figure 2 and Figure 3, the end of the probe 3 away from the slider 10 and the vertical part of the abutting block 2 are connected with an arc measuring rod 6, the arc measuring rod 6 is an alloy, and the arc measuring rod 6 is far away from the abutting block 2. One end of the tight block abuts against the test piece 21 .

Referring to Fig. 2 and Fig. 3, a protective cover 12 is connected to the mounting seat 7, a leg 11 is connected to the ring frame 1, and there are two legs 11, the two legs 11 are located on both sides of the mounting seat 7, and the leg 11 is far away from the ring frame 1 against the end face of the test piece 21. The distance between the side wall of the protective cover 12 away from the mounting base 7 and the ring frame 1 is less than the distance between the end of the supporting foot 11 away from the ring frame 1 and the distance between the ring frame 1, and the protective cover 12 is connected on the mounting base 7, against The rod and the measuring rod of the digital indicator 4 are located between the protective cover 12 and the mounting seat 7 .

Referring to Fig. 2 and Fig. 3, the resisting rod is fixedly connected to the end of the slider 10 away from the measuring head 3, the digital display dial indicator 4 is connected to the end of the mounting base 7 close to the resisting rod, and the measuring rod and the digital display dial indicator 4 are connected to each other. Rod conflicts.

Referring to Fig. 3, Fig. 4 and Fig. 5, a protective block 13 is connected to the end of the mounting seat 7 near the rod, and a circular hole 14 is arranged on the protective block 13, and the measuring rod of the digital display indicator 4 is located in the circular hole 14, and the circular hole 14 is arranged on the protective block 13. The side wall of the hole 14 is provided with threads, and the end of the protective block 13 away from the mounting seat 7 is threadedly connected with the connecting cylinder 15 through the round hole 14, and the side wall of the connecting cylinder 15 away from the end of the protective block 13 is provided with an elastic groove 16. There are four grooves 16, and the four elastic grooves 16 are arranged on the connecting cylinder 15 with the axis center of the connecting cylinder 15 as the center circle. The shape part fits with the connecting cylinder 15, and the two vertical plates of the U-shaped clamp 17 are connected together by bolts 18 and nuts 19. The bolt 18 is threaded on one vertical plate of the said U-shaped clamp 17, and the bolt 18 runs through the U-shaped Two risers of clip 17, nut 19 is threadedly connected on bolt 18 and passes through one end of riser of described U-shaped clamp 17, and nut 19 is pressed against the riser of U-shaped clamp 17.

The implementation principle of Embodiment 1 is: when measuring the outer diameter, hold the handle 5 so that the curved measuring rods 6 on the two pressing blocks 2 are pressed against the outer side wall of the opening of the test piece 21, and then press down on the ring frame 1 Connect one side of the mounting base 7 and place the leg 11 on the base of the test piece 21, so that the curved measuring rod 6 on the probe 3 is pressed against the outer wall of the test piece 21, and the probe 3 is pressed by the test piece The outer wall of 21 pushes away from the axis center of the ring frame 1, the slider 10 moves in the sliding groove 8, and the contact rod moves with the slider 10. At this time, the ring frame 1 is parallel to the end surface of the test piece 21, and the contact rod is in line with the end surface of the test piece 21. The measuring rod of the digital display dial indicator 4 is pressed tightly, so that the digital display dial indicator 4 displays the actual value of the outer diameter of the opening of the test piece 21. Since the measuring head 3 is located on the center line of the two pressing blocks 2, the measurement The head 3 and the center of the opening section are on the same straight line, so that the operator can quickly find the center of the opening when measuring the outer diameter to locate the diameter, thereby improving the efficiency of outer diameter measurement.

After the outer diameter measurement is completed, hold the handle 5 and lift the ring frame 1, so that the distance between the curved measuring rod 6 on the block 2 and the curved measuring rod 6 on the measuring head 3 and the outer wall of the test piece 21 The tight relationship is released to complete the outer diameter measurement.

Example 2

Referring to Figure 6, the difference between this embodiment and Embodiment 1 is that a spring 20 is connected to the end of the slider 10 away from the measuring head 3, and the end of the spring 20 away from the slider 10 is connected to the protective cover, and the rod and the digital display The measuring rod of the dial indicator 4 is located in the spring 20, and the spring 20 is in a compressed state when measuring the outer diameter.

The implementation principle of Embodiment 2 is: after the outer diameter measurement is completed, the tight relationship between the curved measuring rod 6 on the measuring head 3 and the outer wall of the test piece 21 is released, and the spring 20 returns to the natural state from the compressed state. Therefore, the measuring head 3 is automatically reset, which saves the operator the step of manually resetting the measuring head 3 before measuring the outer diameter of other products, and facilitates the operator to measure the outer diameter of other products.

Claims (8)

1. A large-diameter outer diameter band meter measuring device is characterized in that: it comprises a ring frame (1), a clamping block (2), a measuring head (3) and a digital display dial indicator (4), and the clamping There are two blocks (2), the two abutting blocks (2) are connected to one end of the ring frame (1), and the measuring head (3) is slidably connected to the ring frame (1). On one end of the pressing block (2), the measuring head (3) is located on the center line of the two pressing blocks (2), the measuring head (3) and the measuring head of the digital display dial indicator (4) rod linkage. 2. A large-diameter outer-diameter belt meter measuring device according to claim 1, characterized in that: the ring frame (1) is connected with a mounting seat (7), and the mounting seat (7) is provided with a sliding groove (8), the sliding groove (8) runs through both ends of the mounting seat (7), the measuring head (3) is slidably connected in the sliding groove (8) through a slider (10), A slide block (10) is slidably connected to the mounting base (7) through a cross roller guide rail (9), and the cross roller guide rail (9) and the slide block (10) are located in the slide groove (8) Inside, the measuring head (3) is connected to the end of the slider (10) close to the pressing block (2), and the digital dial indicator (4) is connected to the end of the measuring head (3) away from One end of the slider (10). 3. A large-diameter outer-diameter band meter measuring device according to claim 1, characterized in that an arc-shaped measuring rod (6) is connected to the pressing block (2) and the measuring head (3) . 4. A measuring device with a large-diameter outer diameter belt meter according to claim 2, characterized in that: the mounting base (7) is connected with a protective cover (12), and the protective cover (12) is set on the On the measuring rod of the digital display indicator (4). 5. A measuring device with a large-diameter outer diameter belt meter according to claim 2, characterized in that: the end of the mounting base (7) close to the rod is connected with a protective block (13), and the protective block (13 ) is provided with a circular hole (14), and the measuring rod of the resisting rod and the digital display indicator (4) is located in the circular hole (14). 6. A measuring device with a large-diameter outer diameter belt meter according to claim 5, characterized in that: the end of the protective cover away from the mounting seat (7) is connected with a connecting cylinder (15), and the connecting cylinder (15 ) is provided with an elastic groove (16) on the side wall away from one end of the protective cover, and the elastic groove (16) is provided with several, and the several elastic grooves (16) are connected with the connecting cylinder (15) The axis is the central circle array on the connecting cylinder (15), the connecting cylinder (15) is sleeved with a U-shaped clip (17), and the arc part inside the U-shaped clip (17) is in contact with the described connecting cylinder (15). Connecting cylinder (15) fits, and two vertical plates of described U-shaped clamp (17) are connected together by bolt (18) and nut (19), and described bolt (18) is threaded on described U-shaped clamp ( 17), the bolt (18) runs through the two risers of the U-shaped clamp (17), and the nut (19) is threaded on the bolt (18) passing through the U-shaped One end of the riser of the clip (17), the nut (19) is pressed against the riser of the U-shaped clip (17). 7. A measuring device with a large-diameter outer diameter belt meter according to claim 6, characterized in that: the outer wall of the connecting cylinder (15) is provided with threads, the inner wall of the protective cover is provided with threads, and the connection The barrel (15) is threadedly connected with the protective cover. 8. A large-diameter outer-diameter belt meter measuring device according to claim 6, characterized in that: the end of the slider (10) away from the measuring head (3) is connected with a spring (20), so The end of the spring (20) away from the slider (10) is in contact with the connecting cylinder (15), and the resisting rod and the measuring rod of the digital dial indicator (4) are located in the spring (20) , when measuring the outer diameter, the spring (20) is in a compressed state.

Images