CN219531908U

CN219531908U - Major diameter excircle internal diameter hole measuring tool

Info

Publication number: CN219531908U
Application number: CN202320072543.9U
Authority: CN
Inventors: 彭祝强; 黄鹏; 汪朝志
Original assignee: Yibin Sichuan Push Heavy Machinery Co ltd
Current assignee: Yibin Sichuan Push Heavy Machinery Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-08-15
Anticipated expiration: 2033-01-10

Abstract

The utility model provides a large-diameter excircle inner diameter hole measuring tool, and belongs to the technical field of machining measurement. Including measuring table, positioning mechanism, measuring table and setting element, be provided with the slide rail that extends along self length direction on the measuring table, and measuring table is used for placing the work piece, and positioning mechanism is equipped with two, and two positioning mechanism horizontal slip are located on the slide rail, and on one of them positioning mechanism was located to the measuring table activity, on another positioning mechanism was located to the setting element activity, the gauge outfit of measuring table and setting element all were used for with the work piece butt, can accomplish the measurement to major diameter hole structure work piece size through single operation, satisfied the precision measurement requirement of major diameter hole structure work piece, improved the measurement efficiency to hole structure work piece size.

Description

Major diameter excircle internal diameter hole measuring tool

Technical Field

The utility model relates to the technical field of machining measurement, in particular to a large-diameter excircle inner diameter hole measuring tool.

Background

In the machining process, it is necessary to perform relevant measurements of the size, strength, etc. of the machined workpiece to detect whether the size, strength, etc. of the machined workpiece meets the production standards. When it is desired to measure the dimensions of a hole structure workpiece, it is common to use an inside diameter or outside diameter dial gauge for the measurement.

Currently, a measuring device for a workpiece with a traditional hole structure can only measure the hole structure with the hole size within the measuring range, and for the hole structure beyond the measuring range of the measuring device, the measuring device adapted to other measuring ranges needs to be replaced for measurement. The same measuring device cannot finish the measurement operation of the sizes of the workpieces with different hole structures. When the size of a large-diameter hole structure workpiece is measured, an inner diameter dial gauge or an outer dial gauge with larger specification is required to be used for measurement, but the method has some defects in measurement, the appearance and the weight of the inner diameter dial gauge or the outer dial gauge with larger specification are large, one person cannot use the hole structure workpiece alone, two persons are required to cooperate to finish the measurement of the size of the large-diameter hole structure workpiece, and meanwhile, the size of the hole structure workpiece measured by the method is inaccurate.

Disclosure of Invention

In view of the above problems, the utility model provides a large-diameter outer circle inner diameter hole measuring tool, which can finish measuring the size of a large-diameter hole structure workpiece through single operation, meets the precision measurement requirement of the large-diameter hole structure workpiece, and improves the measurement efficiency of the hole structure workpiece size.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a major diameter excircle internal diameter hole measuring tool, including measuring bench, positioning mechanism, measuring table and setting element, be provided with the slide rail that extends along self length direction on the measuring bench, and the measuring bench is used for placing the work piece, and positioning mechanism is equipped with two, and two positioning mechanism horizontal slip locate on the slide rail, and the measuring table activity is located on one of them positioning mechanism, and the setting element activity is located on another positioning mechanism, and the gauge head and the setting element of measuring table all are used for with the work piece butt.

Further, positioning mechanism includes locating piece, slider and first fastening screw, the slider slides and locates in the slide rail, the surface of slide rail is located to the locating piece, and locating piece and slider fixed connection, a plurality of through-holes are run through to the interval on the locating piece, a plurality of screw holes have been seted up to the interval on the slider, the through-hole on the locating piece and the screw hole one-to-one on the slider, first fastening screw is equipped with a plurality of, a plurality of first fastening screw and a plurality of through-holes one-to-one on the locating piece, first fastening screw passes the through-hole and with the screw hole threaded connection of slider, first fastening screw stretches into the screw hole and is close to the one end of slider and can with the interior bottom butt of slide rail.

Further, a mounting block for mounting the measuring meter or the positioning piece is arranged on the positioning block, a semi-closed annular groove is formed in the mounting block, a fixing block is arranged at the opening of the annular groove in the mounting block, a fixing hole is formed in the fixing block in a penetrating mode, a second threaded hole is formed in one side, away from the fixing block, of the opening of the annular groove in the mounting block, the gauge head or the positioning piece of the measuring meter is mounted in the annular groove, a second fastening screw is arranged in the second threaded hole, and the second fastening screw penetrates through the fixing hole and is in threaded connection with the threaded hole in the mounting block.

Further, the locating piece is a locating column which is movably arranged in the annular groove, and two ends of the locating column extend out of the annular groove.

Further, the measuring table adopts an aluminum alloy section, and each surface of the aluminum alloy section is horizontally provided with a sliding rail along the length direction of the aluminum alloy section.

Further, the middle surface of the measuring table is sleeved with a rubber sleeve.

Further, a side of the measuring table is provided with a measuring ruler along the length direction of the measuring table, the length of the measuring ruler is identical to that of the measuring table, the measuring ruler is detachably arranged on the measuring table through a locking bolt, the surface of the measuring ruler is provided with scale marks along the length direction of the measuring table, and the measuring ruler is used for determining the positions of the two positioning mechanisms on the measuring table.

Further, a measuring block is vertically arranged on one side surface of the positioning block, which is close to the measuring ruler, a measuring head is arranged at one end of the measuring block, which is close to the scale mark, and one end of the measuring head, which is far away from the measuring block, is in contact with the scale mark, and the measuring block is used for determining the position of the positioning block on the measuring table.

The embodiment of the utility model provides a large-diameter outer circle inner diameter hole measuring tool, which comprises a measuring table, positioning mechanisms, a measuring table and positioning pieces, wherein the measuring table is provided with a sliding rail extending along the length direction of the measuring table, the measuring table is used for placing a workpiece, the two positioning mechanisms are horizontally arranged on the sliding rail in a sliding manner, the measuring table is movably arranged on one positioning mechanism, the positioning pieces are movably arranged on the other positioning mechanism, and the gauge heads and the positioning pieces of the measuring table are both used for being abutted with the workpiece.

The beneficial effects of the utility model are as follows:

1. the measuring table, the positioning mechanism, the positioning piece and the measuring meter are matched with each other, so that the size of the large-diameter hole structure workpiece can be measured by single operation, the measuring efficiency of the workpiece size is improved, and meanwhile, the accurate size of the workpiece is measured.

2. The position relation between the installation block and the workpiece on the positioning block is changed, so that the installation conditions of the measuring meter and the positioning piece are changed, and when the installation block is positioned at the inner side of the workpiece, the measuring meter and the positioning piece are utilized to realize the measurement of the accurate size of the inner hole diameter of the workpiece; when the mounting block is positioned on the outer side of the workpiece, the measuring meter and the positioning piece are utilized to measure the accurate size of the outer circle of the workpiece.

3. Through setting up slider and locating piece, adjust the position that the slider is located the measuring bench on the slide rail for locating piece and work piece butt utilize first fastening screw to fix the slider on the measuring bench, thereby fix the work piece at the measuring bench. Because the sliding block can move on the sliding rail, the device can be used for measuring the sizes of various workpieces, a measuring tool does not need to be replaced again, and the measuring efficiency is improved.

Drawings

FIG. 1 is a schematic view showing the overall structure of the large diameter outer diameter inner diameter hole gauge according to embodiment 1 of the present utility model.

Fig. 2 is a schematic view of a first view angle structure of a large diameter outer circle inner diameter hole gauge according to embodiment 1 of the present utility model.

Fig. 3 is a schematic view of another view angle structure of the large diameter outer circle inner diameter hole gauge according to embodiment 1 of the present utility model.

Fig. 4 is a schematic overall structure of the positioning block according to embodiment 1 of the present utility model.

FIG. 5 is a schematic view showing a mounting structure of the large diameter outer diameter hole gauge and the workpiece according to embodiment 1 of the present utility model.

FIG. 6 is a schematic side view of the large diameter outer diameter inner diameter hole gauge and workpiece mounting structure of embodiment 1 of the present utility model.

Fig. 7 is a schematic view showing the mounting structure of the measuring table and the measuring scale according to embodiment 2 of the present utility model.

1, a measuring table; 11. a slide rail; 2. a positioning mechanism; 21. a positioning block; 211. a mounting block; 2111. an annular groove; 2112. a fixed block; 22. a slide block; 23. a first fastening screw; 3. a measuring meter; 4. a positioning piece; 5. a second fastening screw; 6. a rubber sleeve; 7. a workpiece; 8. a measuring ruler; 9. a locking bolt; 10. a measuring block; 101. a measuring head.

Detailed Description

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Example 1

The embodiment of the utility model discloses a large-diameter outer circle inner diameter hole measuring tool, which comprises a measuring table 1, positioning mechanisms 2, a measuring table 3 and positioning pieces 4, wherein the measuring table 1 is provided with sliding rails 11 extending along the length direction of the measuring table 1, the measuring table 1 is used for placing workpieces 7, the two positioning mechanisms 2 are arranged on the sliding rails 11 in a horizontal sliding manner, the measuring table 3 is movably arranged on one positioning mechanism 2, the positioning pieces 4 are movably arranged on the other positioning mechanism 2, and the gauge heads of the measuring table 3 and the positioning pieces 4 are both used for being abutted with the workpieces 7.

When the inner diameter size of the large-diameter hole structure workpiece 7 needs to be precisely measured, the measuring tool is used for roughly measuring the size of the workpiece 7. The distance between the two positioning mechanisms 2 is adjusted on the measuring table 1, and the workpiece 7 is positioned by the two positioning mechanisms 2 and fixed on the measuring table 1. The positioning piece 4 is arranged on one of the positioning mechanisms 2, the positioning piece 4 is in contact with the inner hole wall of the workpiece 7, the measuring meter 3 is arranged on the other positioning mechanism 2, the meter head of the measuring meter 3 is in contact with the inner hole wall of the workpiece 7, at the moment, the meter head of the measuring meter 3 is rocked, the meter head of the measuring meter 3 is jumped, reading is carried out on a dial of the measuring meter 3 through the jump of the measuring meter head 3, and the accurate size of the inner diameter hole of the workpiece 7 is calculated according to the reading of the measuring meter 3 and the rough measured value of the workpiece 7. The method can finish the measurement of the size of the large-diameter hole structure workpiece 7 through single operation, meets the precision measurement requirement of the large-diameter hole structure workpiece 7, and improves the measurement efficiency of the size of the hole structure workpiece 7.

In this embodiment, the positioning mechanism 2 includes a positioning block 21, a sliding block 22 and a first fastening screw 23, the sliding block 22 is slidably disposed in the sliding rail 11, the positioning block 21 is disposed on the surface of the sliding rail 11, the positioning block 21 is fixedly connected with the sliding block 22, a plurality of through holes are formed in the positioning block 21 at intervals, a plurality of threaded holes are formed in the sliding block 22 at intervals in a penetrating manner, the through holes in the positioning block 21 are in one-to-one correspondence with the threaded holes in the sliding block 22, the first fastening screw 23 is provided with a plurality of first fastening screws 23 in one-to-one correspondence with the plurality of through holes in the positioning block 21, the first fastening screw 23 penetrates through the through holes and is in threaded connection with the threaded holes in the sliding block 22, and one end of the first fastening screw 23 extending into the threaded holes close to the sliding block 22 can be abutted against the inner bottom wall of the sliding rail 11.

The workpiece 7 is placed on the measuring table 1, the first fastening screw 23 is unscrewed, the positions of the two sliding blocks 22 in the sliding rail 11 are adjusted, the two positioning blocks 21 at the tops of the two sliding blocks 22 are in contact with the workpiece 7, at the moment, the first fastening screw 23 is screwed, one end, close to the sliding block 22, of the first fastening screw 23 is abutted with the inner bottom wall of the sliding rail 11, and therefore the workpiece 7 is fixed between the two positioning blocks 21 on the measuring table 1. By utilizing the sliding block 22 to slide on the sliding rail 11, the measurement of the workpieces 7 with various sizes can be realized, and the measurement efficiency of the sizes of the workpieces 7 is improved.

In this embodiment, referring to fig. 4, a mounting block 211 for mounting a measuring meter 3 or a positioning member 4 is provided on the positioning block 21, a semi-closed annular groove 2111 is provided on the mounting block 211, a fixing block 2112 is provided at an opening of the annular groove 2111 on the mounting block 211, a fixing hole is provided on the fixing block 2112 in a penetrating manner, a second threaded hole is provided on one side of the opening of the annular groove 2111, which is far away from the fixing block 2112, on the mounting block 211, a gauge head or the positioning member 4 of the measuring meter 3 is mounted in the annular groove 2111, a second fastening screw 5 is provided in the second threaded hole, and the second fastening screw 5 passes through the fixing hole and is in threaded connection with the threaded hole on the mounting block 211.

Wherein, through setting up installation piece 211, ring channel 2111 and fixed block 2112 on locating piece 21, be convenient for install measuring table 3 or setting element 4 in ring channel 2111, fix measuring table 3 or setting element 4 on locating piece 21 through second fastening screw 5 for measuring table 3's gauge outfit and setting element 4 respectively with work piece 7 butt, the later stage of being convenient for uses measuring table 3 to the size of work piece 7 to measure.

In this embodiment, the positioning member 4 is a positioning column, the positioning column is movably mounted in the annular groove 2111, both ends of the positioning column extend out of the annular groove 2111, and by using the cooperation of the positioning column, the mounting block 211, the annular groove 2111, the fixing block 2112 and the second fastening screw, the positioning column is abutted to the workpiece 7, both ends of the positioning column extend out of the annular groove 2111, so that one end of the positioning column is convenient to hold by a hand, the positioning column is mounted in the annular groove 2111, and meanwhile, whether the positioning column is abutted to the workpiece 7 is also convenient to observe.

In this embodiment, the measuring table 1 adopts the aluminum alloy section, all levels along the length direction of self on every face of aluminum alloy section are equipped with slide rail 11, and measuring table 1 adopts the aluminum alloy section, and it is comparatively convenient to draw materials, can directly purchase the aluminum alloy section according to the demand of using, utilizes the recess of taking on the aluminum alloy section as slide rail 11, and the slider 22 of the adaptation is selected according to the size of slide rail 11, locates slide rail 11 with the slider 22 slip. Because the aluminum alloy section is provided with a plurality of grooves, if the sliding rail is damaged or inconvenient in the use process, the sliding block 22 can be placed in other grooves on the aluminum alloy section, so that the replacement probability of the measuring table 1 is reduced. In addition, because the aluminum alloy section bar has lighter weight, the aluminum alloy section bar is convenient for operators to take and use.

In this embodiment, referring to fig. 3, the middle surface of the measuring table 1 is sleeved with a rubber sleeve 6, the requirement on the accuracy of measuring the size of the workpiece 7 during measurement is higher, the measuring table 1 adopts an aluminum alloy profile, the aluminum alloy profile is easy to deform when being heated, the rubber sleeve 6 is sleeved on the surface of the aluminum alloy profile, the corresponding installation operation is carried out on the workpiece 7 by holding the rubber sleeve 6 by hand, the rubber sleeve 6 is utilized to carry out heat insulation treatment on the aluminum alloy profile, and the deformation of the aluminum alloy profile caused by heating during the use is avoided, so that the accuracy of measuring the size of the workpiece 7 is affected.

Referring to fig. 5 and 6, in other embodiments, the orientation of the positioning block 21 on the slide 22 may be changed by screwing the first fastening screw 2, thereby changing the orientation of the mounting block 211 on the measuring table 1. The two mounting blocks 211 are utilized to contact the outer wall of the workpiece 7, the measuring meter 3 and the positioning piece 4 are respectively mounted on the two positioning blocks 21, the meter head of the measuring meter 3 and the positioning piece 4 are in contact with the outer wall of the workpiece 7, the measuring meter 3 reads on the dial of the measuring meter 3 through the runout of the measuring meter head 3, and the excircle accurate size of the workpiece 7 is obtained through calculation according to the reading of the measuring meter 3 and the rough measured value of the workpiece 7.

The implementation principle of the large-diameter excircle inner diameter hole measuring tool provided by the embodiment of the utility model is as follows: when it is desired to make a precise measurement of the size of the workpiece 7, a rough measurement of the size of the workpiece 7 is made with a measuring tool. The workpiece 7 is placed on the measuring table 1, the positions of the two sliding blocks 22 in the sliding rail 11 are adjusted by unscrewing the first fastening screw 23, the two positioning blocks 21 are abutted against the workpiece 7, the first fastening screw 23 is screwed down again, the bottom of the first fastening screw 23 is contacted with the inner bottom wall of the sliding rail 11, and therefore the two positioning blocks 21 are fixed, and the workpiece 7 is fixed on the measuring table 1. The positioning column is installed in the annular groove 2111 on one of the positioning blocks 21 so that the positioning column is abutted against the workpiece 7, and then the positioning column is fixed on the positioning block 21 by using the second fastening screw 5. The measuring meter 3 is arranged in the annular groove 2111 on the other positioning block 21, so that the meter head of the measuring meter 3 is abutted against the workpiece 7, at the moment, the meter head of the measuring meter 3 is rocked, the meter head of the measuring meter 3 is jumped, the reading is carried out on the dial of the measuring meter 3 through the jumping of the measuring meter head 3, and the accurate size of the workpiece 7 is obtained through calculation according to the reading of the measuring meter 3 and the rough measured value of the workpiece 7.

Example 2

With reference to fig. 7, embodiment 2 differs from embodiment 1 in that a measuring scale 8 is provided on one side of the measuring table 1, said measuring scale 8 being used to determine the position of the positioning mechanism 2 on the measuring table 1 based on the rough dimensions measured by the workpiece 7.

In this embodiment, referring to fig. 7, a measuring scale 8 is provided on one side of the measuring table 1 along its own length direction, the length of the measuring scale 8 is the same as that of the measuring table 1, the measuring scale 8 is detachably provided on the measuring table 1 by a locking bolt 9, graduation marks are provided on the surface of the measuring scale 8 along its own length direction, and the measuring scale 8 is used for determining the positions of the two positioning mechanisms 2 on the measuring table 1.

Wherein, through using locking bolt 9 to install dipperstick 8 on measuring table 1, use two positioning mechanism 2 to fix work piece 7 on measuring table 1, the scale mark on the dipperstick 8 is again utilized to obtain the interval value between two positioning mechanism 2 to obtain the rough size of work piece 7. The rough size of the workpiece 7 does not need to be measured by using a measuring tool alone, and the working time of operators is reduced.

In this embodiment, a measuring block 10 is vertically disposed on a side surface of the positioning block 21 near the measuring scale 8, a measuring head 101 is disposed on an end of the measuring block 10 near the scale mark, an end of the measuring head 101 far from the measuring block 10 contacts with the scale mark, and the measuring block 10 is used for determining a position of the positioning block 21 on the measuring table 1.

The distance between the two positioning blocks 21 on the measuring table 1 is adjusted, the workpiece 7 is fixed between the two positioning blocks 21, and the rough size of the workpiece 7 is obtained according to the distance value between the two positioning blocks 21 and the distance value between the two measuring heads 101 according to the position of the measuring heads 101 on the measuring scale 8 on the measuring block 10 and the position of the measuring heads 101 on the measuring scale 8 due to the contact between the measuring heads 101 and the scale marks on the measuring scale 8.

It will be apparent to those skilled in the art that while preferred embodiments of the present utility model have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The utility model provides a major diameter excircle internal diameter hole measuring tool, its characterized in that, including measuring table (1), positioning mechanism (2), measuring table (3) and setting element (4), be provided with on measuring table (1) along self length direction extension's slide rail (11), and measuring table (1) are used for placing work piece (7), positioning mechanism (2) are equipped with two, two positioning mechanism (2) horizontal slip locates on slide rail (11), on one of them positioning mechanism (2) is located in measuring table (3) activity, on another positioning mechanism (2) is located in setting element (4) activity, gauge outfit and setting element (4) of measuring table (3) all are used for with work piece (7) butt.

2. The large-diameter outer circle inner diameter hole measuring tool according to claim 1, wherein the positioning mechanism (2) comprises a positioning block (21), a sliding block (22) and a first fastening screw (23), the sliding block (22) is slidably arranged in the sliding rail (11), the positioning block (21) is arranged on the surface of the sliding rail (11), the positioning block (21) is fixedly connected with the sliding block (22), a plurality of through holes are formed in the positioning block (21) at intervals, a plurality of threaded holes are formed in the sliding block (22) at intervals, the through holes in the positioning block (21) are in one-to-one correspondence with the threaded holes in the sliding block (22), the first fastening screw (23) is in one-to-one correspondence with the plurality of through holes in the positioning block (21), the first fastening screw (23) penetrates through the through holes and is in threaded connection with the threaded holes in the sliding block (22), and one end, close to the sliding block (22), of the first fastening screw (23) can be abutted to the inner bottom wall of the sliding rail (11).

3. The large-diameter outer circle inner diameter hole measuring tool according to claim 2, wherein the positioning block (21) is provided with a mounting block (211) for mounting the measuring table (3) or the positioning piece (4), the mounting block (211) is provided with a semi-closed annular groove (2111), an opening of the annular groove (2111) on the mounting block (211) is provided with a fixing block (2112), the fixing block (2112) is provided with a fixing hole in a penetrating mode, one side, far away from the fixing block (2112), of the opening of the annular groove (2111) on the mounting block (211) is provided with a second threaded hole, a gauge head or the positioning piece (4) of the measuring table (3) is mounted in the annular groove (2111), a second fastening screw (5) is arranged in the second threaded hole, and the second fastening screw (5) penetrates through the fixing hole and is in threaded connection with the threaded hole on the mounting block (211).

4. A large diameter outer diameter bore gauge according to claim 3, wherein the positioning member (4) is a positioning column movably mounted in the annular groove (2111), and both ends of the positioning column extend out of the annular groove (2111).

5. The large-diameter outer circle inner diameter hole measuring tool according to claim 1, wherein the measuring table (1) is made of an aluminum alloy section, and each surface of the aluminum alloy section is horizontally provided with a sliding rail (11) along the length direction of the aluminum alloy section.

6. The large-diameter outer circle inner diameter hole measuring tool according to claim 5, wherein a rubber sleeve (6) is sleeved on the middle surface of the measuring table (1).

7. The large-diameter outer circle inner diameter hole measuring tool according to claim 2, wherein a measuring scale (8) is arranged on one side surface of the measuring table (1) along the length direction of the measuring table, the length of the measuring scale (8) is the same as that of the measuring table (1), the measuring scale (8) is detachably arranged on the measuring table (1) through a locking bolt (9), scale marks are arranged on the surface of the measuring scale (8) along the length direction of the measuring scale, and the measuring scale (8) is used for determining the positions of two positioning mechanisms (2) on the measuring table (1).

8. The large-diameter outer circle inner diameter hole measuring tool according to claim 7, wherein a measuring block (10) is vertically arranged on one side surface of the positioning block (21) close to the measuring ruler (8), a measuring head (101) is arranged at one end of the measuring block (10) close to the scale mark, one end of the measuring head (101) away from the measuring block (10) is in contact with the scale mark, and the measuring block (10) is used for determining the position of the positioning block (21) on the measuring table (1).