CN214010163U - Special measuring device for guaranteeing residual deformation of load test by bolts - Google Patents
Special measuring device for guaranteeing residual deformation of load test by bolts Download PDFInfo
- Publication number
- CN214010163U CN214010163U CN202023196230.XU CN202023196230U CN214010163U CN 214010163 U CN214010163 U CN 214010163U CN 202023196230 U CN202023196230 U CN 202023196230U CN 214010163 U CN214010163 U CN 214010163U
- Authority
- CN
- China
- Prior art keywords
- bolt
- slider
- slide rail
- load test
- measuring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a special measuring device of bolt assurance load test residual deformation volume, including the slide rail, be used for supporting the first slider of thimble, be used for supporting the second slider of the bolt that awaits measuring and be used for supporting the third slider of micrometer caliper, first slider, second slider and third slider all support on the slide rail and with between the slide rail sliding connection, be equipped with lift platform on the second slider, the last locating piece that is equipped with the bolt that awaits measuring of location of lift platform. The bolt sample length measurable range is determined by the device slide rail length, need not be equipped with specification and become series, complete measuring tool, and the cost is reduced raises the efficiency.
Description
Technical Field
The utility model belongs to the technical field of the experimental technique of bolt guarantor load and specifically relates to a special measuring device of bolt assurance load test residual deformation volume.
Background
The bolt is a main, important and largely used fastening connection part in industrial manufacturing, corresponding test work needs to be carried out if a bolt product meets the design and use requirements, the load test is guaranteed to be one of important mechanical performance tests of the bolt, and the residual deformation of the load test is guaranteed to be less than 12.5 mu m according to the GB/T3098.1 standard.
The concrete problems encountered in the bolt guarantee load test in the market at the present stage are as follows: 1. when a load test project is carried out, measuring tools with corresponding specifications are required to be used for measuring bolts with different lengths and specifications, the measuring tools for measurement are required to have the resolution of 0.005mm, the measuring tools meeting the requirement are all precise measuring tools, the measuring tools with the specifications in series and complete sets are required to be equipped, the phenomena of low using efficiency and high using cost of the measuring tools exist, and the burden of equipment and instrument management is increased. 2. When bolt length reaches certain size (if be greater than 150mm), operating personnel just can't be with both hands in the handheld region of control measuring tool, the state of the fixed region of sample centre gripping is well adjusted in handheld measuring region's simultaneous control, the position between sample and the measuring tool just is difficult to the alignment, and the holding state, produce random angular deviation more easily, thereby the measured data deviation that arouses, bolt length measurement work's stability and operability worsen, the measurement degree of difficulty increases, the measuring accuracy reduces, the dispersion grow of data.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned problem, provide a special measuring device of bolt assurance load test residual deformation volume, need not be equipped with the specification and become series, complete measuring tool, the cost is reduced, raises the efficiency, during the measurement, stability is good, and measurement accuracy is high.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a special measuring device of load test residual deformation is guaranteed to bolt, includes the slide rail, is used for supporting the first slider of thimble, is used for supporting the second slider of the bolt that awaits measuring and is used for supporting the third slider of micrometer caliper, first slider, second slider and third slider all support on the slide rail and with between the slide rail sliding connection, be equipped with lift platform on the second slider, the last locating piece that is equipped with the bolt that awaits measuring of location of lift platform.
Furthermore, the sliding rail penetrates through the first sliding block, the second sliding block and the third sliding block, and the first sliding block, the second sliding block, the third sliding block and the sliding rail are fixed through locking screws.
Furthermore, a V-shaped groove is formed in the upper end of the positioning block, and the bolt to be tested is located in the V-shaped groove.
Furthermore, a magnet is arranged at the lower end of the positioning block.
Furthermore, a first support is arranged at the upper end of the first sliding block, and the ejector pin is installed at the upper end of the first support.
Further, a second support is arranged at the upper end of the third sliding block, and the micrometer caliper is installed at the upper end of the second support.
The utility model has the advantages that:
1. the utility model discloses slide rail, be used for supporting the first slider of thimble, be used for supporting the second slider of the bolt that awaits measuring and be used for supporting the third slider of micrometer screw gage, first slider, second slider third slider all support on the slide rail and with slide rail between sliding connection, be equipped with lift platform on the second slider, the last locating piece that is equipped with the location bolt that awaits measuring of lift platform. The bolt sample length measurable range is determined by the device slide rail length, need not be equipped with specification and become series, complete measuring tool, and the cost is reduced raises the efficiency.
2. The utility model can ensure that the position of the bracket on the slide rail is fixed in the same group or specification of bolt samples in the load test, and only the size of the sample is clamped and measured or the bolt sample is loosened by rotating the rough adjustment and fine adjustment knob on the screw micrometer; the stability is good, and the measurement precision is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic view of the positioning block of the present invention.
In the figure: the device comprises a sliding rail 1, a first sliding block 2, a second sliding block 3, a third sliding block 4, a thimble 5, a bolt 6 to be tested, a micrometer screw 7, a lifting platform 8, a positioning block 9, a locking screw 10, a V-shaped groove 11, a magnet 12, a first support 13 and a second support 14.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in fig. 1, a special measuring device for residual deformation of a bolt proof load test comprises a slide rail 1, a first slide block 2 for supporting a thimble 5, a second slide block 3 for supporting a bolt 6 to be measured and a third slide block 4 for supporting a micrometer screw 7, wherein the first slide block 2, the second slide block 3 and the third slide block 4 are all supported on the slide rail 1 and are in sliding connection with the slide rail 1, a lifting platform 8 is arranged on the second slide block 3, a positioning block 9 for positioning the bolt 6 to be measured is arranged on the lifting platform 8, and axes of the thimble, the detection bolt and the micrometer screw are on the same horizontal line. The slide rail 1 is supported on a horizontal working platform through a slide rail bracket, the lifting platform 8 adopts a scissor-type lifting platform, and the height of the lifting platform is adjusted by rotating a height adjusting knob.
The sliding rail 1 is horizontally arranged, and the sliding block is fixed on the sliding rail 1 through a locking screw; the thimble must be on the same horizontal line with the axis of the micrometer screw, and is determined during manufacture, and does not need manual adjustment after determination.
The manual height-adjustable lifting platform 8 is fixed on the second sliding block 3 through a bolt, and the position of the sliding rail 1 is adjusted according to the length of the bolt; after the second sliding block 3 is fixed, the height of the platform is adjusted through a height adjusting knob, so that the axis of the tested bolt, the axis of the thimble and the axis of the micrometer screw are positioned on the same horizontal line.
The third slider 4 with the micrometer caliper is installed at the other end of slide rail, and the third slider 4 drives the micrometer caliper and can slide from side to side, solves different length specification bolt samples and need be equipped with the measuring tool of corresponding specification again and just can carry out and accomplish experimental condition. When the special measuring tool is used, bolt samples with different length specifications can be carried out and finished on one special measuring device to ensure that the bolt length measurement work of the load test is carried out twice.
As shown in fig. 1, the slide rail 1 passes through the first slide block 2, the second slide block 3 and the third slide block 4, and the first slide block 2, the second slide block 3, the third slide block 4 and the slide rail 1 are fixed by locking screws 10.
As shown in fig. 2, a V-shaped groove 11 is formed at the upper end of the positioning block 9, and the bolt 6 to be tested is located in the V-shaped groove 11. The lower end of the positioning block 9 is provided with a magnet 12, and the V-shaped support with the magnet can ensure the stability of the bolt in the detection process.
As shown in fig. 1, a first bracket 13 is disposed at an upper end of the first slider 2, and the thimble 5 is mounted at an upper end of the first bracket 13. The upper end of the third sliding block 4 is provided with a second bracket 14, and the micrometer screw 7 is arranged at the upper end of the second bracket 14.
The working steps are as follows:
firstly, before loading test: 1. preparation of a sample: processing 35-degree conical positioning holes at two ends of the bolt sample along the axis respectively; 2. placing a special measuring device for ensuring the residual deformation of the load test on a horizontal plane convenient to operate by using a bolt, and checking whether the device is normal or not; 3. placing a detection bolt on a V-shaped support, adjusting the position and the height of a sample loading platform according to the specification of a sample of the detected bolt to enable the axis of the detected bolt, the axis of the thimble and the axis of the micrometer screw to be on the same horizontal line, and locking a sliding block on a sliding rail; 4. pushing a taper hole at one end of a bolt sample into the circular end part of the thimble; 5. the rotary micrometer screw is firstly arranged at the zero point; adjusting the position of the rotary micrometer screw to enable the measuring head of the micrometer screw to be close to the measured bolt, wherein the distance between the measuring head and the bolt is smaller than the measuring range of the micrometer screw; 6. rotating a rough adjusting knob and a fine adjusting knob of the micrometer screw gauge, and jacking the conical end part of the measuring head (micrometer screw gauge) into the conical hole at the other end of the bolt sample; 7. and recording the data of the micrometer screw; 8. the fixing bolt of the slide block cannot be loosened, and the relative position of the slide block and the slide rail during measurement is kept; 9. and rotating a coarse adjustment knob of the screw micrometer to withdraw the conical end part from the bolt conical hole, and taking out a bolt sample to perform a load loading test.
II, after a loading test: 1. pushing a taper hole at one end of a bolt sample into the circular end part of the thimble; 2. rotating a rough adjusting knob and a fine adjusting knob of the micrometer screw gauge, and jacking the conical end part of the measuring head (micrometer screw gauge) into the conical hole at the other end of the bolt sample; 3. and recording the data of the micrometer screw; through the test steps, the bolt length required by the load test is measured twice, and whether the bolt sample passes the technical requirements specified by the load test project in GB/T3098.1 can be judged by comparing the change of data obtained by the two measurements.
In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (6)
1. The utility model provides a special measuring device of load test residual deformation volume is guaranteed to bolt, its characterized in that, including slide rail (1), be used for supporting first slider (2) of thimble (5), be used for supporting second slider (3) of bolt (6) that awaits measuring and be used for supporting third slider (4) of micrometer screw gage (7), first slider (2), second slider (3) and third slider (4) all support on slide rail (1) and with slide rail (1) between sliding connection, be equipped with lift platform (8) on second slider (3), be equipped with locating piece (9) of fixing a position bolt (6) that awaits measuring on lift platform (8).
2. The special measuring device for the residual deformation of the bolt-assurance load test, according to claim 1, is characterized in that the slide rail (1) passes through the first slide block (2), the second slide block (3) and the third slide block (4), and the first slide block (2), the second slide block (3), the third slide block (4) and the slide rail (1) are fixed through locking screws (10).
3. The special measuring device for the residual deformation of the bolt proof load test according to claim 1, characterized in that a V-shaped groove (11) is arranged at the upper end of the positioning block (9), and the bolt (6) to be measured is positioned in the V-shaped groove (11).
4. The special measuring device for the residual deformation of the bolt proof load test according to claim 1, characterized in that the lower end of the positioning block (9) is provided with a magnet (12).
5. The special measuring device for the residual deformation of the bolt proof load test according to claim 1, characterized in that a first bracket (13) is arranged at the upper end of the first sliding block (2), and the thimble (5) is installed at the upper end of the first bracket (13).
6. The special measuring device for the residual deformation of the bolt proof load test according to claim 1, characterized in that a second bracket (14) is arranged at the upper end of the third sliding block (4), and the micrometer screw (7) is arranged at the upper end of the second bracket (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023196230.XU CN214010163U (en) | 2020-12-24 | 2020-12-24 | Special measuring device for guaranteeing residual deformation of load test by bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023196230.XU CN214010163U (en) | 2020-12-24 | 2020-12-24 | Special measuring device for guaranteeing residual deformation of load test by bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214010163U true CN214010163U (en) | 2021-08-20 |
Family
ID=77291221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023196230.XU Active CN214010163U (en) | 2020-12-24 | 2020-12-24 | Special measuring device for guaranteeing residual deformation of load test by bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214010163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014609A (en) * | 2022-06-07 | 2022-09-06 | 中铁检验认证中心有限公司 | Test platform for axle residual stress detection and use method |
-
2020
- 2020-12-24 CN CN202023196230.XU patent/CN214010163U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014609A (en) * | 2022-06-07 | 2022-09-06 | 中铁检验认证中心有限公司 | Test platform for axle residual stress detection and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111089559A (en) | Detection tool for hole distance, hole-to-plane distance and plane-to-plane distance | |
| CN214010163U (en) | Special measuring device for guaranteeing residual deformation of load test by bolts | |
| CN115235402A (en) | High-precision detection machine | |
| CN113074615A (en) | Measuring device and measuring method for inner cone of large part | |
| CN203719597U (en) | Door hinge gap and angle measurement detecting tool | |
| CN218673405U (en) | A detect structure for public four corners of clamping copper detects | |
| CN210374891U (en) | Height detection device | |
| CN211668398U (en) | Seat type external conical surface fixed diameter distance measuring device | |
| CN112097597A (en) | Size detection device for thin-wall part | |
| CN220818855U (en) | Crescent moon main and auxiliary plate verticality gauge | |
| CN219572994U (en) | Calibration pedestal device of road displacement sensor | |
| CN219589604U (en) | Measuring tool structure for measuring profile of blade edge plate surface of aero-engine | |
| CN220708278U (en) | Online detection device for profile of valve rocker assembly support surface and center height | |
| CN220853362U (en) | Roundness detection device for disc sleeve type parts | |
| CN220418280U (en) | Lever dial indicator calibrating device | |
| CN215865102U (en) | Lithium ion battery thickness precision measurement device | |
| CN212871032U (en) | Auxiliary tool for glass substrate detection | |
| CN211783278U (en) | Workpiece bending deformation meter measuring and checking tool | |
| CN114046713B (en) | Leveling device suitable for height difference of inner and outer parts | |
| CN220356234U (en) | Device for adjusting straight edge height of end socket template | |
| CN217210623U (en) | Battery module hole position degree measuring tool | |
| CN215893461U (en) | Core appearance height deviation detection device | |
| CN214040059U (en) | Dipperstick for civil engineering | |
| CN214372176U (en) | Special measuring tool for inner diameter of bearing seat | |
| CN220729147U (en) | Special angle offset measuring ruler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |