CN203672725U - Torsional shear type high-strength bolt fastening and pretension force testing device - Google Patents

Torsional shear type high-strength bolt fastening and pretension force testing device Download PDF

Info

Publication number
CN203672725U
CN203672725U CN201320855390.1U CN201320855390U CN203672725U CN 203672725 U CN203672725 U CN 203672725U CN 201320855390 U CN201320855390 U CN 201320855390U CN 203672725 U CN203672725 U CN 203672725U
Authority
CN
China
Prior art keywords
type high
shear type
high tensile
screw
mounting groove
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
Application number
CN201320855390.1U
Other languages
Chinese (zh)
Inventor
姜巍
董献国
胡晓曼
彭建和
周宏庚
戴新荣
付彬
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.)
Anhui Construction Engineering Quality Supervision and Testing Station Co Ltd
Original Assignee
Anhui Construction Engineering Quality Supervision and Testing Station 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 Anhui Construction Engineering Quality Supervision and Testing Station Co Ltd filed Critical Anhui Construction Engineering Quality Supervision and Testing Station Co Ltd
Priority to CN201320855390.1U priority Critical patent/CN203672725U/en
Application granted granted Critical
Publication of CN203672725U publication Critical patent/CN203672725U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The utility model discloses a torsional shear type high-strength bolt fastening and pretension force testing device which comprises an electric torsional shear spanner, an axial force sensor and a test bed, wherein the test bed comprises a fixing plate and a mounting support, wherein the fixing plate is provided with a plurality of screw holes in different dimensions, the upper end of the mounting support is fixedly connected with the fixing plate, and the lower end of the mounting support is pre-buried in a terrace. The torsional shear type high-strength bolt fastening and pretension force testing device can ensure that the nut end of a torsional shear type high-strength bolt sample can be fixed steadily without combining a steel structure matter on a construction site, and testing requirements are met.

Description

The fastening pretension test unit of torsion shear type high tensile bolt
Technical field
The utility model relates to the fastening pretension test unit of a kind of torsion shear type high tensile bolt, belongs to building materials performance test apparatus technical field.
Background technology
At the torsion shear type high tensile bolt of the building field application such as Steel Structure Installation, need to carry out fastening pretension test to ensure the reliability of its performance quality to it, the method of fastening pretension test mainly comprises the following steps: the nut end of torsion shear type high tensile bolt sample is fixed, with the wabbler of electric torsional shearing wrench rotation torsion shear type high tensile bolt, whether test wabbler can come off under predetermined moment of torsion or the anglec of rotation.Because torsion shear type high tensile bolt physical strength is large, the installation requirement that the electric torsional shearing wrench of torsion shear type high tensile bolt need to possess very large torque power and just can reach torsion shear type high tensile bolt is installed, is required the wabbler of torsion shear type high tensile bolt is come off.Therefore in the prior art,, while carrying out above-mentioned fastening pretension test, conventionally need can firmly to be fixed in conjunction with the nut end of steel construction guarantee torsion shear type high tensile bolt in kind sample at the construction field (site).Not only affect construction speed but also have potential safety hazard but test at the construction field (site), the dismounting difficulty of defective torsion shear type high tensile bolt after test is large.
Utility model content
The deficiency that the utility model exists for prior art just, provide a kind of torsion shear type high tensile bolt fastening pretension test unit, without guaranteeing that in conjunction with steel construction material object the nut end of torsion shear type high tensile bolt sample can firmly be fixed at the construction field (site), meet testing requirements.
For addressing the above problem, technical solution adopted in the utility model is as follows:
The fastening pretension test unit of a kind of torsion shear type high tensile bolt, comprise: electric torsional shearing wrench, axial force sensor, testing table, described testing table comprises fixed head and installation foot, described fixed head is provided with the screw of multiple different sizes, described installation foot upper end is fixedly connected with described fixed head, and described installation foot lower end is embedded in terrace.
As the improvement of technique scheme, described fixed head comprises screw mounting groove and movable screw, and described movable screw is arranged in described screw mounting groove.
As the improvement of technique scheme, described screw mounting groove is regular hexagon, and described movable screw is also the regular hexagon mating with described screw mounting groove.
As the improvement of technique scheme, it is protruding that described screw mounting groove inwall bottom is provided with spacing ring, and described movable screw is arranged at the protruding top of described spacing ring.
Compared with prior art, implementation result of the present utility model is as follows for the utility model:
The fastening pretension test unit of torsion shear type high tensile bolt described in the utility model, (1), installation process are convenient, easy and simple to handle; (2), firm in structure durable, not fragile, meet corresponding code requirement; (3) duty, under completely can simulated field execution conditions, effective technical support is provided therefore can to on-the-spot practical operation, and the method is applicable to corresponding national standard and industry standard; (4), in process of the test, there will not be dangerous situation; (5), temperature requirement is low, substantially can meet all kinds of testing requirementss; (6), without any pollution and corrosivity, to human body without any harmfulness.
Accompanying drawing explanation
Fig. 1 is the fastening pretension test unit of the torsion shear type high tensile bolt described in embodiment mono-cross-sectional view;
Fig. 2 is the fixed head plan structure schematic diagram described in embodiment mono-;
Fig. 3 is the testing table cross-sectional view described in embodiment bis-;
Fig. 4 is the fixed head plan structure schematic diagram described in embodiment bis-.
Embodiment
Content of the present utility model is described below in conjunction with specific embodiments.
Embodiment mono-
As depicted in figs. 1 and 2, the fastening pretension test unit of torsion shear type high tensile bolt described in the utility model, comprise: electric torsional shearing wrench 1, axial force sensor 2, testing table, described testing table comprises fixed head 31 and installation foot 32, described fixed head 31 is provided with the screw of multiple different sizes, described installation foot 32 upper ends are fixedly connected with described fixed head 31, and described installation foot 32 lower ends are embedded in terrace.Particularly, described installation foot 32 adopts the steel pipe of four φ 48 mm × 3.75 mm, it is that 800 mm × 500 mm, thickness are the steel plate of 18 mm that described fixed head 31 adopts long × wide, by described installation foot 32 by being welded to connect on described fixed head 31, four steel pipes are embedded in terrace, on steel plate, be evenly arranged the corresponding bolt hole of M16-M30 torsion shear type high tensile bolt, steel plate is through the processing of ball blast sandblast iso-scallop, and derusting grade reaches Sa2.5.
Using method: (1), torsion shear type high tensile bolt sample found on fixed head 31 to the screw of corresponding specification and pass, and make nut one end below, wabbler one end up, again axial force sensor 2 is sleeved on the screw rod of torsion shear type high tensile bolt sample, and then the nut coordinating with torsion shear type high tensile bolt sample is screwed on torsion shear type high tensile bolt sample and is positioned at axial force sensor 2 tops and contacts with axial force sensor 2.(2), electric torsional shearing wrench 1 is inserted on the wabbler of torsion shear type high tensile bolt sample, and block and make it firm.(3), open the page that preheated testing machine finds corresponding torsional shear type bolt to detect, check whether the axial force sensor 2 of joint test machine and the electric torsional shearing wrench 1 being sleeved on torsion shear type high tensile bolt sample are connected firmly, after inspection, pressing the switch of electric torsional shearing wrench 1 tests, until the wabbler of torsion shear type high tensile bolt sample is twisted into two parts rear off-test, read test figure.(4), after off-test, carry out the dismounting of torsion shear type high tensile bolt sample.Above-mentioned testing machine refers to the equipment that connects and control described axial force sensor 2, and is provided with chip in described testing machine, and described chip has the program of automatic calculating test findings.
Embodiment bis-
As shown in Figure 3 and Figure 4, the fastening pretension test unit of torsion shear type high tensile bolt described in the utility model, comprising:.Electric torsional shearing wrench 1, axial force sensor 2, testing table, described testing table comprises fixed head 31 and installation foot 32, described fixed head 31 is provided with the screw of multiple different sizes, and described installation foot 32 upper ends are fixedly connected with described fixed head 31, and described installation foot 32 lower ends are embedded in terrace; And described fixed head 31 comprises screw mounting groove 311 and movable screw 312, described movable screw 312 is arranged in described screw mounting groove 311.Particularly, described screw mounting groove 311 is regular hexagon, and described movable screw 312 is the regular hexagon for mating with described screw mounting groove 311 also.Further, it is protruding 313 that described screw mounting groove 311 inwalls bottoms are provided with spacing ring, and described movable screw 312 is arranged at protruding 313 tops of described spacing ring.
The screw mounting groove 311 of described structure is set, be convenient to the processing of testing table, and can select according to actual operation requirements the movable screw 312 of all size, and the movable screw 312 of a certain specification damages the movable screw 312 that only needs to change that specification of damaging, when the torsion shear type high tensile bolt sample of multiple same specifications need to be tested, the movable screw 312 of multiple same specifications can be installed, thereby improve test efficiency; And movable screw 312 can adopt the wear-resisting steel of high-intensity high-quality, and other positions of fixed head 31 only need be used common iron, thereby has saved manufacturing cost.The using method of embodiment bis-is with embodiment mono-.
Above content is the detailed description of in conjunction with specific embodiments the utility model being done, and can not assert that the concrete enforcement of the utility model only limits to these explanations.For the utility model person of ordinary skill in the field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to the scope of the utility model protection.

Claims (4)

1. the fastening pretension test unit of torsion shear type high tensile bolt, it is characterized in that, comprise: electric torsional shearing wrench (1), axial force sensor (2), testing table, described testing table comprises fixed head (31) and installation foot (32), described fixed head (31) is provided with the screw of multiple different sizes, described installation foot (32) upper end is fixedly connected with described fixed head (31), and described installation foot (32) lower end is embedded in terrace.
2. the fastening pretension test unit of torsion shear type high tensile bolt as claimed in claim 1, it is characterized in that, described fixed head (31) comprises screw mounting groove (311) and movable screw (312), and described movable screw (312) is arranged in described screw mounting groove (311).
3. the fastening pretension test unit of torsion shear type high tensile bolt as claimed in claim 2, is characterized in that, described screw mounting groove (311) is regular hexagon, and described movable screw (312) is also the regular hexagon mating with described screw mounting groove (311).
4. the fastening pretension test unit of torsion shear type high tensile bolt as claimed in claim 2, it is characterized in that, described screw mounting groove (311) inwall bottom is provided with spacing ring protruding (313), and described movable screw (312) is arranged at described spacing ring protruding (313) top.
CN201320855390.1U 2013-12-23 2013-12-23 Torsional shear type high-strength bolt fastening and pretension force testing device Expired - Fee Related CN203672725U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320855390.1U CN203672725U (en) 2013-12-23 2013-12-23 Torsional shear type high-strength bolt fastening and pretension force testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320855390.1U CN203672725U (en) 2013-12-23 2013-12-23 Torsional shear type high-strength bolt fastening and pretension force testing device

Publications (1)

Publication Number Publication Date
CN203672725U true CN203672725U (en) 2014-06-25

Family

ID=50969007

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320855390.1U Expired - Fee Related CN203672725U (en) 2013-12-23 2013-12-23 Torsional shear type high-strength bolt fastening and pretension force testing device

Country Status (1)

Country Link
CN (1) CN203672725U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108007797A (en) * 2017-12-29 2018-05-08 珠海中航艾维检测技术有限公司 One kind twists de- frock
CN109490101A (en) * 2018-12-20 2019-03-19 中国航空综合技术研究所 Bolt driver slot twisting performance test apparatus and its test method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108007797A (en) * 2017-12-29 2018-05-08 珠海中航艾维检测技术有限公司 One kind twists de- frock
CN109490101A (en) * 2018-12-20 2019-03-19 中国航空综合技术研究所 Bolt driver slot twisting performance test apparatus and its test method
CN109490101B (en) * 2018-12-20 2023-09-08 中国航空综合技术研究所 Bolt screwing tool groove turning and screwing performance test device and test method thereof

Similar Documents

Publication Publication Date Title
CN102778389B (en) Concrete test loading device and test method under load and multifactor coupling
CN201852741U (en) Special fixture for bolt tension test
CN104237009A (en) Point joint tensile-shear strength testing device capable of applying multi-directional loads
CN204694393U (en) A kind of screw torque force checking device
CN204679270U (en) The loosening test device that under a kind of lateral load, bolt group connects
CN103163016A (en) Auxiliary device for carrying out axial tension test on quasi brittle materials
CN203858157U (en) Fixture for testing tensile shear performance of building structure adhesive
CN102012345A (en) Universal clamping mechanism for bolt/nut mechanical test
CN203672725U (en) Torsional shear type high-strength bolt fastening and pretension force testing device
CN202735158U (en) Tensile strength detecting clamp of double thread screw
CN205209870U (en) Concrete durability for research axle load load provide device
CN202757837U (en) Loading device for durability test of pressed concrete
CN102778397B (en) Loading device and method for durability test of compression concrete
CN204286791U (en) Bearing fatigue simulator stand
CN104142203B (en) Tight locking nut loose moment testing method and this test frock of unloading axial force
CN203756700U (en) Spring nut for C-shaped steel
CN103196601B (en) Method of detecting flange face bolt installation torque by using detecting device
CN204731097U (en) A kind of securing member fracture strength test fixture
CN201461687U (en) Fastening bolt
CN202814778U (en) Concrete experiment loading device under coupling effect of load and multiple factors
CN203965078U (en) A kind of high-strength bolt pretightening force measuring apparatus
CN203881624U (en) Pressure testing machine
CN202579579U (en) Eccentric clamping nut
CN215767946U (en) Bolt shear test anchor clamps
CN201945501U (en) General clamping mechanism for mechanical test of bolts/nuts

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140625

Termination date: 20141223

EXPY Termination of patent right or utility model