CN2581959Y - High-strength bolt jointing pair axial force tester - Google Patents
High-strength bolt jointing pair axial force tester Download PDFInfo
- Publication number
- CN2581959Y CN2581959Y CN 02280215 CN02280215U CN2581959Y CN 2581959 Y CN2581959 Y CN 2581959Y CN 02280215 CN02280215 CN 02280215 CN 02280215 U CN02280215 U CN 02280215U CN 2581959 Y CN2581959 Y CN 2581959Y
- Authority
- CN
- China
- Prior art keywords
- bearing
- bolt
- axial force
- anchor clamps
- cover
- 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.)
- Expired - Fee Related
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to an axial force tester of a high-strength blot connecting pair, which comprises clamping apparatuses (2) arranged on a frame (11), a bearing sleeve (3), a king bolt (5), a tension pressure sensor (6), a stay bolt (8) and a casing (7), wherein, the bearing sleeve is connected with the king bolt which is connected with the tension pressure sensor. The axial force tester of a high-strength blot connecting pair is characterized in that the clamping apparatuses are with multi-claw clamping apparatuses which are evenly distributed in the bearing sleeve; the axial force tester of a high-strength blot connecting pair is characterized in that the clamping apparatuses are with multi-claw clamping apparatuses which are evenly distributed in the bearing sleeve and matched with the bearing sleeve; the middle of the clamping apparatuses is provided with a shoulder pore canal which can be provided with a blot connecting pair, and a pore canal arranged on the bearing sleeve is provided with a positioning pin (15) which can prevent the clamping apparatuses from lateral rotation. The utility model has the advantages of uniform stress of the clamping apparatus, exact detection and high detecting accuracy.
Description
Technical field
The utility model relates to a kind of high-strength bolt and connects the proving installation of paying axial force.
Technical background
It is a kind of basic mechanical connection that is widely used in industry-by-industry that the bolt connection is paid.Test it according to the GB/T1231-1991 steel construction with the requirement of the big hex bolts of high strength, heavy series hexagon nut, gasket techniques condition and connect the torque coefficient of paying, and test it according to the requirement that the GB/T3633-1995 steel construction connect to be paid technical conditions with the torque-shear type high-strength bolt and connect the fastener shaft power of paying, existing high-strength bolt connects pair axial force tester and applies certain moment of torsion by bolt is connected the nut of paying, pressure transducer through coupling bolt reflects suffered axial force, calculates torque coefficient or fastener shaft power then.But the structure that nut is applied the moment of torsion employing is different, and the conduction of coupling bolt pressure is uneven, causes test result inaccurate.
Summary of the invention
The utility model has overcome the inaccurate defective of the test result that structure does not very rationally cause in the prior art, provide a kind of high-strength bolt to connect and pay the axial force tester, this tester adopts the multijaw anchor clamps to cooperate with the load cover, and the rolling bearing guiding moves, and improves measuring accuracy.
The utility model is achieved in that a kind of high-strength bolt connects a pair axial force tester, comprise the anchor clamps, load cover, king-bolt, tension-compression sensor, thru-bolt and the housing that are loaded on the frame, the load cover connects king-bolt, king-bolt connects tension-compression sensor, it is characterized in that anchor clamps are uniform multijaw anchor clamps, uniform multijaw clamping plate in the load cover, the multijaw anchor clamps match with the load cover of multijaw clamping plate, have the convex shoulder duct in the middle of the anchor clamps and can install bolt and connect and pay, load puts and has the duct register pin that prevents that chuck side from changeing is housed.
Above-mentioned high-strength bolt connects to be paid in the axial force tester, rolling bearing guiding mobile device is equipped with on described load cover top, this mobile device comprises bearing bearing pin, bearing holder (housing, cover) and bearing bracket stand, bearing bracket stand is installed in load and puts, the bearing bearing pin places in the bearing bracket stand, bearing holder (housing, cover) is loaded on the bearing bearing pin, and bearing holder (housing, cover) is close in the groove on the frame housing.
Above-mentioned high-strength bolt connects to be paid in the axial force tester, and described multijaw anchor clamps and multijaw clamping plate are three-jaw or four paws, and the frame housing is an enclosed type.
Principle of work of the present utility model is to adopt the multijaw clamping plate in multijaw anchor clamps and the load cover to match, and makes anchor clamps evenly stressed, detects accurately, especially adopts three-jaw or four paws anchor clamps, and is reasonable in design, is convenient to operation; Put at load the register pin that prevents that chuck side from changeing also is housed; Rolling bearing guiding mobile device is equipped with on load cover top, makes load be enclosed within that frictional resistance reduces when mobile, and it is more accurate to detect data; Whole frame housing is an enclosed type, and stand stretch helps the accuracy of detection raising for a short time during detection.
Description of drawings
Fig. 1 is that the utility model high-strength bolt connects and pays an axial force tester structural representation, Fig. 2 be among Fig. 1 A-A to cross-sectional schematic, Fig. 3 be among Fig. 1 B-B to cross-sectional schematic.
Among the figure: 1 cover plate, 2 anchor clamps, 3 load covers, 4 jam nuts, 5 king-bolts, 6 tension-compression sensors, 7 frame housings, 8 thru-bolts, 9 rear end caps, 10 setting nuts, 11 frames, 12 bearing bearing pins, 13 bearing holder (housing, cover)s, 14 bearing bracket stands, 15 register pins.
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, a kind of high-strength bolt connects pays the axial force tester, comprise the anchor clamps 2, load cover 3, king-bolt 5, tension-compression sensor 6, thru-bolt 8 and the housing 7 that are loaded on the frame 11, anchor clamps 2 front ends are equipped with cover plate 1, load cover 3 connects king-bolt 5 and by jam nut 4 location, king-bolt 5 connects tension-compression sensor 6, and thru-bolt 8 is equipped with in sensor 6 rear ends, rear end cap 9 is housed on the thru-bolt 8, and setting nut 10 is equipped with in thru-bolt 8 rear ends.Anchor clamps 2 are uniform multijaw anchor clamps, uniform multijaw clamping plate in the load cover 3, and multijaw anchor clamps 2 match with the load cover 3 of multijaw clamping plate, have the convex shoulder duct in the middle of the anchor clamps 2 and can install bolt and connect pair.Anchor clamps 2 and clamping plate are three-jaw or four paws, and anchor clamps 2 and clamping plate are four paws in the present embodiment, make that like this anchor clamps 2 are stressed even.Two kinds on 2 fens big hex bolts of anchor clamps and torque-shear type bolt, the selected anchor clamps of bolt type that detect according to need.During detection, detected bolt connects the bolt of paying and is installed in the anchor clamps 2, applies moment of torsion to connecting the nut of paying, and this moment, bolt was subjected to axial tension, be delivered on the tension-compression sensor 6 by load cover 3 and king-bolt 5, can on secondary instrument, reflect to connect and pay the axial force that is subjected to.Adjust setting nut 10 in the position of thru-bolt 8, can satisfy bolt and connect the variation of paying length specification.
Have the duct on the load cover 3 register pin 15 that prevents that anchor clamps 2 sides from changeing is housed, anchor clamps 2 sides are changeed.Load overlaps 3 tops rolling bearing guiding mobile device is housed, this mobile device comprises bearing bearing pin 12, bearing holder (housing, cover) 13 and bearing bracket stand 14, bearing bracket stand 14 is installed on the load cover 3, bearing bearing pin 12 places in the bearing bracket stand 14, bearing holder (housing, cover) 13 is loaded on the bearing bearing pin 12, and bearing holder (housing, cover) 13 is close in the groove on the frame housing 7.Consider from stable, quadruplet rolling bearing guiding mobile device is housed on load cover 3, be contained in the left-right and front-back of load cover 3 respectively, the resistance of when the tester body based on load cover 3 moves, reducing friction.Tester frame housing 7 is an enclosed type, and good rigidly can improve the precision that detects data like this.
The results showed that it is stressed evenly that the utility model high-strength bolt connects the anchor clamps of paying the axial force tester, detect accurately the accuracy of detection height.
Claims (4)
1. a high-strength bolt connects a pair axial force tester, comprise the anchor clamps (2) that are loaded on the frame (11), load cover (3), king-bolt (5), tension-compression sensor (6), thru-bolt (8) and housing (7), load cover (3) connects king-bolt (5), king-bolt (5) connects tension-compression sensor (6), it is characterized in that anchor clamps (2) are uniform multijaw anchor clamps, uniform multijaw clamping plate in the load cover (3), multijaw anchor clamps (2) match with the load cover (3) of multijaw clamping plate, have the convex shoulder duct in the middle of the anchor clamps (2) and can install bolt and connect and pay, have the duct on the load cover (3) register pin (15) that prevents that chuck side from changeing is housed.
2. high-strength bolt according to claim 1 connects pays the axial force tester, it is characterized in that load cover (3) top is equipped with rolling bearing guiding mobile device, this mobile device comprises bearing bearing pin (12), bearing holder (housing, cover) (13) and bearing bracket stand (14), bearing bracket stand (14) is installed on the load cover (3), bearing bearing pin (12) places in the bearing bracket stand (14), bearing holder (housing, cover) (13) is loaded on the bearing bearing pin (12), and bearing holder (housing, cover) (13) is close in the groove on the frame housing (7).
3. high-strength bolt according to claim 1 connects pays the axial force tester, it is characterized in that multijaw anchor clamps (2) and multijaw clamping plate are three-jaw or four paws.
4. connect a pair axial force tester according to claim 1 or 2 or 3 described high-strength bolts, it is characterized in that frame housing (7) is enclosed type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02280215 CN2581959Y (en) | 2002-12-04 | 2002-12-04 | High-strength bolt jointing pair axial force tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02280215 CN2581959Y (en) | 2002-12-04 | 2002-12-04 | High-strength bolt jointing pair axial force tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2581959Y true CN2581959Y (en) | 2003-10-22 |
Family
ID=33743031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02280215 Expired - Fee Related CN2581959Y (en) | 2002-12-04 | 2002-12-04 | High-strength bolt jointing pair axial force tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2581959Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278126A (en) * | 2011-04-29 | 2011-12-14 | 中铁第四勘察设计院集团有限公司 | Force testing method for connecting bolt of duct pieces in shield tunnel |
| CN103411721A (en) * | 2013-07-26 | 2013-11-27 | 太仓中博铁路紧固件有限公司 | Bolt torque detection device |
| CN105890834A (en) * | 2015-07-30 | 2016-08-24 | 中铁建设投资集团有限公司 | Shield segment connecting screw bolt stress state detection method |
-
2002
- 2002-12-04 CN CN 02280215 patent/CN2581959Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278126A (en) * | 2011-04-29 | 2011-12-14 | 中铁第四勘察设计院集团有限公司 | Force testing method for connecting bolt of duct pieces in shield tunnel |
| CN103411721A (en) * | 2013-07-26 | 2013-11-27 | 太仓中博铁路紧固件有限公司 | Bolt torque detection device |
| CN105890834A (en) * | 2015-07-30 | 2016-08-24 | 中铁建设投资集团有限公司 | Shield segment connecting screw bolt stress state detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031022 Termination date: 20111204 |