CN206756360U - A kind of servicing unit of high-strength bolt pretension experimental rig - Google Patents
A kind of servicing unit of high-strength bolt pretension experimental rig Download PDFInfo
- Publication number
- CN206756360U CN206756360U CN201720339867.9U CN201720339867U CN206756360U CN 206756360 U CN206756360 U CN 206756360U CN 201720339867 U CN201720339867 U CN 201720339867U CN 206756360 U CN206756360 U CN 206756360U
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- China
- Prior art keywords
- workpiece
- strength bolt
- hole
- servicing unit
- pretension
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of servicing unit of high-strength bolt pretension experimental rig, including high-strength bolt test specimen, and the high-strength bolt nut coordinated with the high-strength bolt test specimen, the servicing unit are combined by the first workpiece, second workpiece, the 3rd workpiece, the 4th workpiece with the 5th workpiece；Also include through second workpiece, the screw rod of the 3rd workpiece and the 5th workpiece and load sensor and display device for reading high-strength bolt pretension.The utility model beneficial effect is that, compared to conventional apparatus, the axle power of the device efficiency test high-strength bolt is simple in construction, easy to operate；During experiment, labor intensity is low, saves human and material resources.
Description
Technical field
It the utility model is related to building materials performance test apparatus technical field, and in particular to a kind of high-strength bolt pretension experiment
The servicing unit of device.
Background technology
High-strength bolt connects two sections of towers, it is necessary to apply pretension (i.e. the axle power of bolt), tower is kept close
Fit together.If pretension is more than the pretension of design, high-strength bolt is easy to produce fatigue, and life cycle contracts significantly
It is short；If pretension is less than the pretension of design, tower is produced when bearing load and rocked so that bolt is more prone to pine
It is dynamic.Produce engineering safety hidden danger.
Therefore, it is necessary to carry out test of prestress to high-strength bolt.
Utility model content
In view of the needs of prior art, the utility model is intended to provide a kind of high-strength spiral shell simple in construction, easy to operate
The servicing unit of bolt pretension experimental rig.
To achieve these goals, the technical solution adopted in the utility model is as follows：
A kind of servicing unit of high-strength bolt pretension experimental rig, including high-strength bolt test specimen, and with it is described high-strength
The high-strength bolt nut that bolt test specimen coordinates, has the first workpiece, second workpiece and the 3rd is respectively equipped with first workpiece
Workpiece, the 4th workpiece is respectively equipped between the second workpiece and the 3rd workpiece outermost；
Further, the both ends of the 4th workpiece are respectively equipped with fastening bolt holes, make the both ends point of the 4th workpiece
It is not connected closely with the second workpiece, the 3rd workpiece；The rear of 3rd workpiece is provided with the 5th workpiece, the 3rd workpiece
Position correspondence is respectively equipped with the 5th workpiece and wears the High-strength bolt hole connect for the high-strength bolt；
Further, the second workpiece and the 5th workpiece are respectively equipped with the through hole of position correspondence, wherein, described the
The through hole of five workpiece is provided with internal thread；Screw rod and matched nut are additionally provided with, the nut is located at second work
After the through hole of part, the screw rod is connected to the through hole of the second workpiece and is spirally connected with the through hole of the 5th workpiece；
Further, load sensor, the spiral are additionally provided between the through hole and nut of the second workpiece
Bar is connected to the load sensor；Hassock piece is additionally provided between the load sensor and the nut.
It should be further stated that being provided with cavity in the 5th workpiece, the screw rod is bolted in the 5th work
One end of the through hole of part is inserted into the cavity；When the screw rod rotates, the 5th workpiece can be made by described
Moved in the space that one workpiece, the second workpiece, the 3rd workpiece and the 4th workpiece collectively constitute.
It should be further stated that between being provided between the both sides of the 5th workpiece and the inwall of the 4th workpiece
Gap.
As a kind of perferred technical scheme, the bottom of the 3rd workpiece is provided with depressed part, the depressed part position with
3rd workpiece, the high-strength bolt of the 5th workpiece are corresponding.
As a kind of perferred technical scheme, the first shim liner and the second shim liner, the first shim liner position are additionally provided with
In the High-strength bolt hole rear portion of the 5th workpiece, second shim liner be located in the depressed part and with the 3rd work
The High-strength bolt hole position correspondence of part；During test, the surface of first shim liner and the High-strength bolt hole of the 5th workpiece
Posterior face offsets, and the surface and the surface of the depressed part of second shim liner offset.
The utility model beneficial effect is：
1st, compared to conventional apparatus, the axle power of the device efficiency test high-strength bolt is simple in construction, easy to operate；
2nd, during testing, labor intensity is low, efficiently, fast, effectively save human and material resources.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is A portions structure enlargement diagram in Fig. 1.
Embodiment
Below with reference to accompanying drawing, the utility model will be further described, it is necessary to which explanation, the present embodiment is with this skill
Premised on art scheme, detailed embodiment and specific operating process are given, but the scope of protection of the utility model is not
It is limited to the present embodiment.
As shown in figure 1, the utility model is a kind of servicing unit of high-strength bolt pretension experimental rig, including high-strength spiral shell
Bolt test specimen 100, and the high-strength bolt nut 101 coordinated with the high-strength bolt test specimen 100, have the first workpiece 1, and described the
The workpiece 3 of second workpiece 2 and the 3rd is respectively equipped with one workpiece 1, positioned at the second workpiece 2 and the outermost of the 3rd workpiece 3
Between be respectively equipped with the 4th workpiece 4；
Further, as shown in figure 1, the both ends of the 4th workpiece 4 are respectively equipped with fastening bolt holes 41, the described 4th is made
The both ends of workpiece 4 are closely connected with the second workpiece 2, the 3rd workpiece 3 respectively；As shown in Figure 1 and Figure 2, the 3rd workpiece 3
Rear be provided with the 5th workpiece 5, the 3rd workpiece 3 is respectively equipped with position correspondence and is used for the height with the 5th workpiece 5
Strength bolt 100 wears the High-strength bolt hole 6 connect；
Further, as shown in figure 1, the second workpiece 2 is respectively equipped with the logical of position correspondence with the 5th workpiece 5
Hole, wherein, the through hole of the 5th workpiece 5 is provided with internal thread；Screw rod 7 and matched nut 71 are additionally provided with, it is described
Screw rod 7 is connected to the through hole of the second workpiece 2 and is spirally connected with the through hole of the 5th workpiece 5；
Further, as shown in figure 1, being additionally provided with load biography between the through hole and nut 71 of the second workpiece 2
Sensor 8, the screw rod 7 are connected to the load sensor 8；Also set between the load sensor 8 and the nut 71
There is hassock piece 9.
It should be further stated that as shown in figure 1, it is provided with cavity 51, the spiral shell of screw rod 7 in the 5th workpiece 5
It is connected to one end of the through hole of the 5th workpiece 6 and is inserted into the cavity 51；When the screw rod 7 rotates, institute can be made
The 5th workpiece 5 is stated common by first workpiece 1, the second workpiece 2, the 3rd workpiece 3 and the 4th workpiece 4
Moved in the space of composition.
It should be further stated that between being provided between the both sides of the 5th workpiece and the inwall of the 4th workpiece
Gap.
Further, as shown in Fig. 2 the bottom of the 3rd workpiece 3 is provided with depressed part 31, the position of depressed part 31
It is corresponding with the High-strength bolt hole 6 of the 3rd workpiece 3, the 5th workpiece 5.
As a kind of perferred technical scheme, as shown in Fig. 2 being additionally provided with the first shim liner 10 and the second shim liner 11, institute
The High-strength bolt hole rear portion that the first shim liner 10 is located at the 5th workpiece 5 is stated, second shim liner 11 is located at the depression
In portion 31 and with the position correspondence of High-strength bolt hole 6 of the 3rd workpiece 3；During test, the surface of first shim liner 10 with
The posterior face of High-strength bolt hole 6 of 5th workpiece 5 offsets, the surface of second shim liner 11 and the depressed part 31
Surface offsets.
Embodiment
During experiment, high-strength bolt passes through shim liner 10, the High-strength bolt hole through the 5th workpiece and the 3rd workpiece, through shim liner
The installation of 11 connecting bolt nuts is in place.When determining the fastening axle power of torque-shear type high-strength bolt, using torsion shear type electric wrench, tighten
Wabbler to high-strength bolt is twisted into two parts, and the fastening of high-strength bolt is read from the load sensor display screen in the outside of second workpiece
Axle power；When determining the pretension and torque coefficient of big hexagonal high-strength bolt, digital display type torque wrench should be coordinated, to big turret head
High-strength bolt applies moment of torsion, and the reading according to load sensor display screen and torque wrench reads the prestretching of test bolt
Power and corresponding moment of torsion, and by the way that the torque coefficient of big hexagonal high-strength bolt is calculated.Bolt, which will pass through, just twists, and just twists value
It should be the 50% of pretension standard value
For those skilled in the art, technical scheme that can be as described above and design, make other each
Kind is corresponding to be changed and deforms, and all these change and deformed the guarantor that should all belong to the utility model claims
Within the scope of shield.
Claims (5)
1. a kind of servicing unit of high-strength bolt pretension experimental rig, including high-strength bolt test specimen, and with the high-strength spiral shell
The high-strength bolt nut that bolt test specimen coordinates, it is characterised in that there is the first workpiece, the second work is respectively equipped with first workpiece
Part and the 3rd workpiece, the 4th workpiece is respectively equipped between the second workpiece and the 3rd workpiece outermost；Described
The both ends of four workpiece are respectively equipped with fastening bolt holes, make the both ends of the 4th workpiece respectively with the second workpiece, the 3rd work
Part closely connects；The rear of 3rd workpiece is provided with the 5th workpiece, and the 3rd workpiece is respectively equipped with the 5th workpiece
Position correspondence and wear the High-strength bolt hole connect for the high-strength bolt；The second workpiece is respectively equipped with the 5th workpiece
The through hole of position correspondence, wherein, the through hole of the 5th workpiece is provided with internal thread；It is additionally provided with screw rod and matched spiral shell
Mother, the nut are located at outside the through hole of the second workpiece, the screw rod be connected to the through hole of the second workpiece and with institute
The through hole for stating the 5th workpiece is spirally connected；Load sensor, the spiral shell are additionally provided between the through hole of the second workpiece and the nut
Swing arm is connected to the load sensor；Hassock piece is additionally provided between the load sensor and the nut.
2. the servicing unit of high-strength bolt pretension experimental rig according to claim 1, it is characterised in that the described 5th
Cavity is provided with workpiece, one end that the screw rod is bolted in the through hole of the 5th workpiece is inserted into the cavity；Work as institute
State screw rod rotate when, can make the 5th workpiece by first workpiece, the second workpiece, the 3rd workpiece and
Moved in the space that 4th workpiece collectively constitutes.
3. the servicing unit of high-strength bolt pretension experimental rig according to claim 1 or 2, it is characterised in that described
Gap is provided between the inwall of the both sides of 5th workpiece and the 4th workpiece.
4. the servicing unit of high-strength bolt pretension experimental rig according to claim 1, it is characterised in that the described 3rd
The bottom of workpiece is provided with depressed part, and the depressed part position is corresponding with the high-strength bolt of the 3rd workpiece, the 5th workpiece.
5. the servicing unit of high-strength bolt pretension experimental rig according to claim 4, it is characterised in that be additionally provided with
One shim liner and the second shim liner, first shim liner are located at the High-strength bolt hole rear portion of the 5th workpiece, and described second
Shim liner be located in the depressed part and with the High-strength bolt hole position correspondence of the 3rd workpiece；During test, described first is thin
The surface of pad and the High-strength bolt hole posterior face of the 5th workpiece offset, the surface of second shim liner with it is described recessed
The surface in the portion of falling into offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339867.9U CN206756360U (en) | 2017-03-31 | 2017-03-31 | A kind of servicing unit of high-strength bolt pretension experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339867.9U CN206756360U (en) | 2017-03-31 | 2017-03-31 | A kind of servicing unit of high-strength bolt pretension experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206756360U true CN206756360U (en) | 2017-12-15 |
Family
ID=60611526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720339867.9U Expired - Fee Related CN206756360U (en) | 2017-03-31 | 2017-03-31 | A kind of servicing unit of high-strength bolt pretension experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206756360U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168762A (en) * | 2017-12-28 | 2018-06-15 | 四川中核艾瑞特工程检测有限公司 | A kind of auxiliary device for measuring torque coefficient of bolt |
| CN110418948A (en) * | 2018-02-28 | 2019-11-05 | 株式会社东日制作所 | Pulling device |
-
2017
- 2017-03-31 CN CN201720339867.9U patent/CN206756360U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168762A (en) * | 2017-12-28 | 2018-06-15 | 四川中核艾瑞特工程检测有限公司 | A kind of auxiliary device for measuring torque coefficient of bolt |
| CN108168762B (en) * | 2017-12-28 | 2020-11-10 | 四川中核艾瑞特工程检测有限公司 | Auxiliary device for measuring torque coefficient of bolt |
| CN110418948A (en) * | 2018-02-28 | 2019-11-05 | 株式会社东日制作所 | Pulling device |
| US10828759B2 (en) | 2018-02-28 | 2020-11-10 | Tohnichi Mfg. Co., Ltd. | Tensioning device |
| CN110418948B (en) * | 2018-02-28 | 2021-05-07 | 株式会社东日制作所 | Pulling device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |