CN216846052U - Bolt coaxiality measuring tool - Google Patents

Bolt coaxiality measuring tool Download PDF

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Publication number
CN216846052U
CN216846052U CN202220518025.0U CN202220518025U CN216846052U CN 216846052 U CN216846052 U CN 216846052U CN 202220518025 U CN202220518025 U CN 202220518025U CN 216846052 U CN216846052 U CN 216846052U
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China
Prior art keywords
support
block
bolt
base
sliding
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Active
Application number
CN202220518025.0U
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Chinese (zh)
Inventor
宋昌勋
李春峰
李瑞友
张云松
王婧
张庆
高博
姜志勇
郑顺
邵波
黄海阔
闫建奎
王明东
赵亮
苏东东
韩薇
段文月
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State Grid Power Space Technology Co ltd
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Sgcc General Aviation Co ltd
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Priority to CN202220518025.0U priority Critical patent/CN216846052U/en
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Abstract

The utility model relates to a bolt coaxiality measuring tool, which comprises a base, wherein a first support block is fixedly arranged on the base and is fixedly connected with a sliding rod which is horizontally arranged; the base is also provided with a second support block which can horizontally slide along the axial direction of the slide rod; a first sliding block capable of sliding parallel to the axial direction of the sliding rod is arranged on the first support block, a first support is arranged on the first sliding block, a second sliding block capable of sliding parallel to the axial direction of the sliding rod is arranged on the second support block, a second support is arranged on the second sliding block, and the first support and the second support are used for supporting a bolt to be tested; the first support block and the second support block are both provided with leveling rulers; an instrument mounting block capable of sliding in parallel to the axial direction of the sliding rod is arranged on the base, and a dial indicator is arranged on the instrument mounting block. The utility model overcomes the problem that exists among the prior art can be used for measuring the bolt of different length, and support horizontal accuracy is high and firm reliable, can improve measurement accuracy, saves the cost of labor.

Description

Bolt coaxiality measuring tool
Technical Field
The utility model relates to a bolt detects technical field, especially relates to a bolt axiality measuring tool.
Background
Bolts are often used for connecting mechanical parts, and the bolts on key parts and high-speed rotating parts have strict inspection standards, so that not only the abrasion condition of the bolts needs to be inspected, but also the coaxiality inspection is one of important indexes for measuring whether the bolts can be used. The coaxiality of the bolt does not reach the standard, which indicates that the bolt is deformed, the bolt is difficult to install when the bolt is re-installed, and the forced installation can cause part damage.
In the prior art, a special tool for measuring the coaxiality of the bolt does not exist, when the coaxiality of the bolt is measured in daily work, the two wrenches are fixed on a vice, the bolt is fixed by the two wrenches, and the dial indicator is installed on a table to detect the bolt. The levelness can not be guaranteed completely by the vice, the wrench and the desktop, the measurement accuracy is low, the detection time is long, and the labor cost is high.
Therefore, the inventor provides a bolt coaxiality measuring tool by virtue of experience and practice of related industries for many years so as to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bolt axiality measuring tool overcomes the problem that exists among the prior art, the utility model discloses can be used for measuring the bolt of different length, support horizontal accuracy is high and firm reliable, can improve measurement accuracy, saves the cost of labor.
The utility model aims at realizing the purpose, and provides a bolt coaxiality measuring tool, which comprises a base, wherein a first support block is fixedly arranged on the base, and is fixedly connected with a sliding rod which is horizontally arranged; the base is also provided with a second support block which can horizontally slide along the axial direction of the slide rod; the first support block is provided with a first sliding block capable of sliding in parallel with the axial direction of the sliding rod, the first sliding block is provided with a first support, the second support block is provided with a second sliding block capable of sliding in parallel with the axial direction of the sliding rod, the second sliding block is provided with a second support, and the first support and the second support are used for supporting a bolt to be tested; the first support block and the second support block are both provided with a level ruler; the base is provided with an instrument mounting block capable of sliding in the axial direction parallel to the sliding rod, and the instrument mounting block is provided with a dial indicator.
The utility model discloses an in a preferred embodiment, the bottom of slide bar sets up the rack, the first end fixed connection of slide bar in on the first support piece, link up on the second support piece and set up the screw rod via hole, articulated in the second support piece have can with rack toothing's gear, be connected with the drive division on the gear, the drive division can drive gear revolve so that the second support piece is followed the axial horizontal slip of slide bar.
In a preferred embodiment of the present invention, the top surface of the base is provided with a first base track groove parallel to the axial direction of the sliding rod, the bottom of the second support block is provided with a second support guide rail, and the second support guide rail can be slidably sleeved in the first base track groove; the bottom of the first support block is provided with a first support guide rail, and the first support guide rail can be fixedly sleeved in the first base rail groove.
The utility model discloses an in a preferred embodiment, the transversal trapezoidal setting that personally submits top-down flaring of first base track groove, first support guide rail with the transversal trapezoidal setting that personally submits top-down flaring of second support guide rail.
The present invention provides a preferred embodiment, the driving portion includes a gear shaft coaxially passing through the gear shaft, the first end of the gear shaft is hinged in the second support block, the second end of the gear shaft is exposed in the second support block, and the second end of the gear shaft is connected with a hand wheel.
The utility model discloses an in a preferred embodiment, set up first supporting groove from the top downwards on the first support, set up the second from the top downwards on the second support and support the groove, first supporting groove with the second supports the groove and is used for supporting the bolt that awaits measuring.
In a preferred embodiment of the present invention, the first supporting groove and the second supporting groove are both V-shaped.
In a preferred embodiment of the present invention, the top surface of the first support block is provided with a first support track groove parallel to the axial direction of the slide bar, the bottom of the first slide block is provided with a first slide block guide rail, and the first slide block guide rail can be slidably sleeved in the first support track groove; the top surface of the second support block is provided with a second support track groove parallel to the axial direction of the sliding rod, the bottom of the second sliding block is provided with a second sliding block guide rail, and the second sliding block guide rail can be slidably sleeved in the second support track groove.
The utility model discloses an in a preferred embodiment, the top surface setting of base is on a parallel with the axial second base track groove of slide bar, the bottom of instrument installation piece sets up the installation piece guide rail, installation piece guide rail can the sliding sleeve be located second base track inslot.
In a preferred embodiment of the present invention, the cross section of the guide rail of the mounting block is a trapezoid shape gradually expanding from top to bottom, and the cross section of the track groove of the second base is a trapezoid shape gradually expanding from top to bottom.
From top to bottom, the utility model discloses a bolt axiality measuring tool has following beneficial effect:
in the bolt coaxiality measuring tool, the second support block can slide along the slide rod fixedly connected with the first support block, the first slide block and the second slide block can also horizontally slide, the distance between the first support and the second support can be adjusted, and the measurement of bolts to be measured with different lengths can be met; the first support block and the second support block are respectively provided with a level ruler, so that the first support and the second support connected with the first support block are high in horizontal precision, and the measurement precision is improved; the first supporting groove and the second supporting groove are arranged in a V shape, and the V-shaped supporting grooves can be used for supporting bolts with different diameters, so that the universality of the utility model is improved; the dial indicator is installed on the base through the slidable instrument installation block, coaxiality measurement of different positions of the bolt to be measured is achieved, measurement data can be read more conveniently, accuracy is guaranteed, and labor cost is saved.
Drawings
The following drawings are only intended to illustrate and explain the present invention, and do not limit the scope of the present invention. Wherein:
FIG. 1: do the utility model discloses a bolt axiality measuring tool's front view.
FIG. 2: do the utility model discloses a bolt axiality measuring tool's side view.
FIG. 3: do the utility model discloses a bolt axiality measuring tool's plan view.
In the figure:
100. a bolt coaxiality measuring tool;
11. a first support block; 111. a first support rail; 112. a first support track groove; 12. a first slider; 121. a first slider rail; 13. a first bracket; 131. a first support groove;
21. a second holder block; 22. a second slider; 23. a second bracket; 24. a gear; 25. a gear shaft; 26. a hand wheel;
3. a base; 31. a first base track groove; 32. a second base track groove;
4. a slide bar;
5. a level bar;
6. an instrument mounting block; 61. installing a block guide rail;
7. a dial indicator;
81. a first stopper pin; 82. a second retaining pin.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
The specific embodiments of the present invention described herein are for the purpose of explanation only and should not be construed as limiting the invention in any way. Given the teachings of the present invention, the skilled person can conceive of any possible variants based on the invention, which should all be considered as belonging to the scope of the invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, indirect connections through intermediaries, and the like. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, 2 and 3, the utility model provides a bolt coaxiality measuring tool 100, which comprises a base 3, wherein a first support block 11 is fixedly arranged on the base 3, and the first support block 11 is fixedly connected with a sliding rod 4 which is horizontally arranged; the base 3 is also provided with a second support block 21 which can horizontally slide along the axial direction of the slide rod; a first sliding block 12 capable of sliding parallel to the axial direction of the sliding rod is arranged on the first support block 11, a first support 13 is arranged on the first sliding block 12, a second sliding block 22 capable of sliding parallel to the axial direction of the sliding rod is arranged on the second support block 21, a second support 23 is arranged on the second sliding block 22, and the first support 13 and the second support 23 are used for supporting a bolt to be tested; the first support block 11 and the second support block 21 are both provided with a horizontal ruler 5; an instrument mounting block 6 capable of sliding in parallel to the axial direction of the sliding rod is arranged on the base 3, and a dial indicator 7 is arranged on the instrument mounting block 6.
In the bolt coaxiality measuring tool, the second support block can slide along the slide rod fixedly connected with the first support block, the first slide block and the second slide block can also horizontally slide, the distance between the first support and the second support can be adjusted, and the measurement of bolts to be measured with different lengths can be met; the first support block and the second support block are respectively provided with a level ruler, so that the first support and the second support connected with the first support block are high in horizontal precision, and the measurement precision is improved; the dial indicator is installed on the base through the slidable instrument installation block, coaxiality measurement of different positions of the bolt to be measured is achieved, measurement data can be read more conveniently, accuracy is guaranteed, and labor cost is saved.
Further, as shown in fig. 1, 2, and 3, a rack is disposed at the bottom of the sliding rod 4, the first end of the sliding rod 4 is fixedly connected to the first support block 11, a screw through hole is disposed on the second support block 21, a gear 24 capable of meshing with the rack is hinged in the second support block 21, and a driving portion is connected to the gear 24 and can drive the gear 24 to rotate so as to enable the second support block 21 to horizontally slide along the axial direction of the sliding rod. Other tight connection modes can be adopted between the first support block 11 and the second support block 21, and the second support block 21 is driven to move relative to the first support block 11 by the driving part.
Further, as shown in fig. 1, 2, and 3, the driving portion includes a gear shaft 25 coaxially passing through the gear, a first end of the gear shaft 25 is hinged in the second support block 21, a second end of the gear shaft 25 is exposed out of the second support block 21, and a second end of the gear shaft 25 is connected to a hand wheel 26. The hand wheel 26 is rotated, and the gear 24 is engaged with the slide rod (rack), so that the second holder block 21 is horizontally slid in the axial direction of the slide rod.
Further, as shown in fig. 1, 2, and 3, a first base track groove 31 parallel to the axial direction of the sliding rod is disposed on the top surface of the base 3, and a second support guide rail is disposed at the bottom of the second support block 21 and can be slidably sleeved in the first base track groove 31; the bottom of the first support block 11 is provided with a first support guide rail 111, and the first support guide rail 111 can be fixedly sleeved in the first base rail groove 31.
Further, as shown in fig. 2, the cross section of the first base track groove 31 is in a trapezoidal arrangement gradually expanding from top to bottom, and the cross sections of the first support guide rail 111 and the second support guide rail are in a trapezoidal arrangement gradually expanding from top to bottom. The cross sections of the first base track groove 31, the first support guide rail 111 and the second support guide rail are in a trapezoid shape, so that the gaps among components can be reduced, and the connection stability among the first support block 11, the second support block 21 and the base 3 is improved.
Further, as shown in fig. 2, a first support groove 131 is formed in the first support 13 from the top downward, a second support groove is formed in the second support 23 from the top downward, and the first support groove 131 and the second support groove are used for supporting the bolt to be tested.
In the present embodiment, as shown in fig. 2, the first support groove 131 and the second support groove are both provided in a V shape. The support groove of V type can be used for supporting the bolt of different diameters, improves the utility model discloses a commonality.
Further, as shown in fig. 2, a first support rail groove 112 parallel to the axial direction of the sliding rod is disposed on the top surface of the first support block 11, a first slider rail 121 is disposed at the bottom of the first slider 12, and the first slider rail 121 can be slidably sleeved in the first support rail groove 112; the top surface of the second support block 21 is provided with a second support track groove parallel to the axial direction of the slide bar, the bottom of the second slide block 22 is provided with a second slide block guide rail, and the second slide block guide rail can be slidably sleeved in the second support track groove. The cross sections of the first slider rail 121 and the first holder rail groove 112 are arranged in a trapezoidal shape gradually expanding from top to bottom, and the cross sections of the second slider rail and the second holder rail groove are arranged in a trapezoidal shape gradually expanding from top to bottom.
Further, as shown in fig. 2, a second base track groove 32 parallel to the axial direction of the slide bar is disposed on the top surface of the base 3, a mounting block guide rail 61 is disposed at the bottom of the meter mounting block 6, and the mounting block guide rail 61 can be slidably sleeved in the second base track groove 32. The dial indicator 7 can slide along the second base track groove 32 on the base 3 along with the instrument mounting block 6 to measure the coaxiality of different parts of the bolt to be measured supported on the first support block and the second support block.
Further, as shown in fig. 2, the cross section of the mounting block guide rail 61 is in a trapezoidal shape gradually expanding from top to bottom, and the cross section of the second base rail groove 32 is in a trapezoidal shape gradually expanding from top to bottom. The gap between the instrument mounting block 6 and the base 3 can be reduced, and the connection stability between the instrument mounting block 6 and the base 3 is improved.
Further, in order to ensure stability, the base 3 is provided with a horizontal first stop pin 81 at the first support block 11, and a vertical second stop pin 82 is provided at one side of the base 3 at the second support block 21.
From top to bottom, the utility model discloses a bolt axiality measuring tool has following beneficial effect:
in the bolt coaxiality measuring tool of the utility model, the second support block can slide along the slide bar fixedly connected with the first support block, the first slide block and the second slide block can also slide horizontally, the distance between the first support and the second support can be adjusted, and the measurement of bolts to be measured with different lengths can be satisfied; the first support block and the second support block are respectively provided with a level ruler, so that the first support and the second support connected with the first support block are high in horizontal precision, and the measurement precision is improved; the first supporting groove and the second supporting groove are arranged in a V shape, and the V-shaped supporting grooves can be used for supporting bolts with different diameters, so that the universality of the utility model is improved; the dial indicator is installed on the base through the slidable instrument installation block, coaxiality measurement of different positions of the bolt to be measured is achieved, measurement data can be read more conveniently, accuracy is guaranteed, and labor cost is saved.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims (10)

1. A bolt coaxiality measuring tool is characterized by comprising a base, wherein a first support block is fixedly arranged on the base and is fixedly connected with a horizontally arranged sliding rod; the base is also provided with a second support block which can horizontally slide along the axial direction of the slide rod; the first support block is provided with a first sliding block capable of sliding in parallel with the axial direction of the sliding rod, the first sliding block is provided with a first support, the second support block is provided with a second sliding block capable of sliding in parallel with the axial direction of the sliding rod, the second sliding block is provided with a second support, and the first support and the second support are used for supporting a bolt to be tested; the first support block and the second support block are both provided with a level ruler; the base is provided with an instrument mounting block capable of sliding in parallel to the axial direction of the sliding rod, and the instrument mounting block is provided with a dial indicator.
2. The bolt coaxiality measuring tool according to claim 1, wherein a rack is arranged at the bottom of the slide rod, a first end of the slide rod is fixedly connected to the first support block, a screw through hole is arranged in the second support block in a penetrating manner, a gear capable of being meshed with the rack is hinged in the second support block, and a driving part is connected to the gear and can drive the gear to rotate so that the second support block can horizontally slide along the axial direction of the slide rod.
3. The bolt coaxiality measuring tool according to claim 2, wherein a first base track groove parallel to the axial direction of the slide rod is formed in the top surface of the base, and a second support guide rail is formed in the bottom of the second support block and slidably fitted in the first base track groove; the bottom of the first support block is provided with a first support guide rail, and the first support guide rail can be fixedly sleeved in the first base rail groove.
4. The bolt coaxiality measuring tool according to claim 3, wherein the first base track groove is provided with a trapezoidal cross section which is gradually enlarged from top to bottom, and the first support guide rail and the second support guide rail are provided with a trapezoidal cross section which is gradually enlarged from top to bottom.
5. The bolt coaxiality measuring tool according to claim 2, wherein the driving portion comprises a gear shaft coaxially penetrating through the gear, a first end of the gear shaft is hinged in the second support block, a second end of the gear shaft is exposed out of the second support block, and a hand wheel is connected to the second end of the gear shaft.
6. The bolt coaxiality measuring tool according to claim 1, wherein a first support groove is formed in the first support frame downward from the top, a second support groove is formed in the second support frame downward from the top, and the first support groove and the second support groove are used for supporting a bolt to be measured.
7. The bolt coaxiality measuring tool of claim 6, wherein the first support groove and the second support groove are both V-shaped.
8. The bolt coaxiality measuring tool according to claim 2, wherein a top surface of the first support block is provided with a first support rail groove parallel to an axial direction of the slide bar, and a bottom portion of the first slider is provided with a first slider rail slidably fitted in the first support rail groove; the top surface of the second support block is provided with a second support track groove parallel to the axial direction of the sliding rod, the bottom of the second sliding block is provided with a second sliding block guide rail, and the second sliding block guide rail can be slidably sleeved in the second support track groove.
9. The bolt coaxiality measuring tool according to claim 2, wherein a second base rail groove parallel to the axial direction of the slide rod is formed in the top surface of the base, and a mounting block guide rail is formed in the bottom of the instrument mounting block and slidably fitted in the second base rail groove.
10. The bolt coaxiality measuring tool according to claim 9, wherein the cross section of the mounting block guide rail is in a trapezoidal arrangement gradually expanding from top to bottom, and the cross section of the second base rail groove is in a trapezoidal arrangement gradually expanding from top to bottom.
CN202220518025.0U 2022-03-09 2022-03-09 Bolt coaxiality measuring tool Active CN216846052U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220518025.0U CN216846052U (en) 2022-03-09 2022-03-09 Bolt coaxiality measuring tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220518025.0U CN216846052U (en) 2022-03-09 2022-03-09 Bolt coaxiality measuring tool

Publications (1)

Publication Number Publication Date
CN216846052U true CN216846052U (en) 2022-06-28

Family

ID=82094621

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220518025.0U Active CN216846052U (en) 2022-03-09 2022-03-09 Bolt coaxiality measuring tool

Country Status (1)

Country Link
CN (1) CN216846052U (en)

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Address after: 102209 7th floor, block C, No.18, Binhe Avenue, future science and Technology City, Changping District, Beijing

Patentee after: State Grid Power Space Technology Co.,Ltd.

Address before: 102209 7th floor, block C, No.18, Binhe Avenue, future science and Technology City, Changping District, Beijing

Patentee before: SGCC GENERAL AVIATION Co.,Ltd.