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 PDF

Info

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
Authority
CN
China
Prior art keywords
workpiece
strength bolt
hole
servicing unit
pretension
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
Application number
CN201720339867.9U
Other languages
Chinese (zh)
Inventor
尤洪斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Construction Quality Testing And Identification Center Co Ltd
Original Assignee
Shenzhen Construction Quality Testing And Identification Center Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Construction Quality Testing And Identification Center Co Ltd filed Critical Shenzhen Construction Quality Testing And Identification Center Co Ltd
Priority to CN201720339867.9U priority Critical patent/CN206756360U/en
Application granted granted Critical
Publication of CN206756360U publication Critical patent/CN206756360U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

A kind of servicing unit of high-strength bolt pretension experimental rig
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.
CN201720339867.9U 2017-03-31 2017-03-31 A kind of servicing unit of high-strength bolt pretension experimental rig Active CN206756360U (en)

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 Active 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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN206756360U (en) A kind of servicing unit of high-strength bolt pretension experimental rig
CN108506305A (en) The single side fastening bolt of replaceable anti-vertically and horizontally bidirectional load
CN207026924U (en) A kind of fastening of Semiautomatic flange bolt synchronous and provision for disengagement
CN201405014Y (en) Manufacture tool of wrench shear type high intensity bolt
CN207680049U (en) A kind of toy steering engine bolt quick-locking device
CN206643834U (en) Power take-off mechanism when one kind tightens bolt suitable for robot
CN205218957U (en) Rotatable and extend adjustable spanner
CN206175433U (en) Easily twist bolt with hexagonal groove threaded end
CN205763589U (en) A kind of hydraulic hammer fixer for side boards
CN203257852U (en) Bolt set capable of preventing rotation during fastening
CN2683855Y (en) Force moment coupling
CN105370695B (en) A kind of easily-disassembled connection component
CN106351936A (en) Axially compressed looseproof fastening device
CN205977976U (en) Novel screw bolt and nut
CN207819586U (en) A kind of damping ring is connected and fixed structure
CN206754100U (en) A kind of interior hexagonal holding screw with round platform
CN206286600U (en) A kind of modified multi-shaft device output shaft anti-loose structure
CN208106921U (en) The single side fastening bolt of replaceable anti-vertically and horizontally bidirectional load
CN207093541U (en) Welded type screw retention set
CN104908008B (en) Equipment made by a kind of pipe that dissipates
CN203307928U (en) Steel truss structure connected by K-shaped crossed thread
CN206952857U (en) It is a kind of to rest against a device and fastener for tightening fastener parts
CN2714202Y (en) Diameter variable screw thread pair connecting device
CN206622823U (en) A kind of HY back-shaped pipes bolt automatic screwing-down
CN207578305U (en) A kind of extracting tool of sealed electric generator external fan

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant