CN201673089U - Auxiliary safe device for steel strand tensile test - Google Patents

Auxiliary safe device for steel strand tensile test Download PDF

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Publication number
CN201673089U
CN201673089U CN2010201853808U CN201020185380U CN201673089U CN 201673089 U CN201673089 U CN 201673089U CN 2010201853808 U CN2010201853808 U CN 2010201853808U CN 201020185380 U CN201020185380 U CN 201020185380U CN 201673089 U CN201673089 U CN 201673089U
Authority
CN
China
Prior art keywords
cylinder mould
steel strand
extensometer
track girder
strand wires
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
CN2010201853808U
Other languages
Chinese (zh)
Inventor
翟文静
刘宜平
王飞鹏
裴进章
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.)
Beijing Xinshi Road & Bridge Construction Co Ltd
Original Assignee
Beijing Xinshi Road & Bridge Construction 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 Beijing Xinshi Road & Bridge Construction Co Ltd filed Critical Beijing Xinshi Road & Bridge Construction Co Ltd
Priority to CN2010201853808U priority Critical patent/CN201673089U/en
Application granted granted Critical
Publication of CN201673089U publication Critical patent/CN201673089U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

An auxiliary safe device for a steel strand tensile test is connected with a hydraulic pressure tester. The auxiliary safe device comprises a cylinder mould framework which is fixed on a hydraulic pressure tester base, a protective cylinder mould which encloses and is connected with the cylinder mould framework, a track beam which is connected with the top of the cylinder mould framework through a suspension arm and an extensometer safely detaching mechanism which is connected with the track beam in a roll manner. The outer end of the track beam is connected with a blocking block. The extensometer safely detaching mechanism comprises a roller which is connected with the track beam, a vertical pull rod which is connected with a roller support, a transverse pull rod which is connected with the vertical pull rod in a T shape and an extensometer sleeve which is arranged in the protective cylinder mould, is connected with the outer end of the transverse pull rod and is connected with an extensometer in a sleeve manner. The device can be used for protecting the safety of operation staff in the steel strand tensile test and greatly improves the security of the steel strand tensile test. The utility model is simple, practical, safe and easily detachable and can be applied to the steel strand tensile test and related tests.

Description

A kind of safe servicing unit that is used for the steel strand wires tension test
Technical field
The utility model relates to a kind of safety device, particularly a kind ofly is used for the steel strand wires tension test, prevents that steel strand wires may collapse the safety feature that to hurt sb.'s feelings in the process of the test.
Background technology
Steel strand wires are the critical materials in the prestressed structure, and the quality of its tensile property is the quality of the various prestressed structures of influence directly, and its pulling strengrth and elastic modulus index are the important parameters of design and construction.Along with improving constantly of structural requirement, more and more higher to both accuracy requirements.In the steel strand wires tension test, in order to measure the elongation of steel strand wires, extensometer need be fixed on the test specimen, but high-intensity steel strand wires may collapse when reaching fracture, and, before steel strand wires do not rupture, must take off the extensometer that is clipped on the steel strand wires by operating personnel for recording its elastic modulus, if at this moment the steel strand wires of surveying defective, just be easy to collapse and to hurt sb.'s feelings.At present the used hydraulic pressure testing machine of steel strand wires tension test does not all have supporting safety device, thereby causes that operating personnel have certain danger in the process of the test.
The utility model content
The purpose of this utility model provides a kind of safe servicing unit that is used for the steel strand wires tension test; under the prerequisite that does not influence test operation and result; be used for protecting the safety of operating personnel in the steel strand wires tension test, solve the problem that may collapse tapping injury of tendon and muscle people in the process of the test.
For achieving the above object, the utility model adopts following technical scheme: a kind of safe servicing unit that is used for the steel strand wires tension test, be connected with the hydraulic pressure testing machine, it comprises the netpen framework that is fixed on the hydraulic pressure tester base, go along with sb. to guard him the protection cylinder mould that is connected on the netpen framework, cantilever is connected in the track girder at netpen framework top, and the extensometer safety be connected in track girder of rolling takes off mechanism, and the outer end of described track girder is connected with block;
Extensometer safety is taken off mechanism and is included: the roller that is connected with track girder, the vertical pull bar that is connected with rolling wheel support, with the T-shaped cross-tie that is connected of vertical pull bar and place in the protection cylinder mould, be connected in the cross-tie outer end and with the extensometer sleeve of extensometer socket.
Described protection cylinder mould is made up of intensive steel grid, and a side of netpen framework is rotationally connected by hinge and cylinder mould door, and the middle part of cross-tie is supported on the hole of cylinder mould door.
Described track girder can be a joist steel, and roller is that a pair of rolling is connected two wheels above the lower wing plate of track girder, and two wheel shafts and rolling wheel support are connected as a single entity.
Described netpen framework is being connected with protection cylinder mould baffle plate near the track girder part, track girder can be connected with bearing diagonal with the corner of protection cylinder mould baffle plate.
Can fixedly connectedly draw otic placode on the outer wall of described extensometer sleeve, cross-tie is connected by bolt with drawing otic placode.
Described vertical pull bar can be connected by pin with cross-tie.
Compared with prior art the utlity model has following characteristics and beneficial effect: the utility model has overcome the unshielded shortcoming of operating personnel in the tension test of conventional steel twisted wire, has solved that steel strand wires may collapse the technical matters that to hurt sb.'s feelings in the process of the test.
The utility model provides a kind of safe servicing unit that is used for the steel strand wires tension test, is used for protecting the safety of operating personnel in the steel strand wires tension test.Devices such as the protection cylinder mould that uses in the device, track girder all adopt standard material, wide material sources, and assembling is convenient, easily dismounting.The baffle plate that device junction, corner are provided with, support etc. have guaranteed the stable and safe and feasible of device.Package unit can be fixed by bolt, pin, and is simple and practical.
The utility model can be widely used in steel strand wires tension test and the correlation test, has improved the security of steel strand wires tension tests greatly.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is a side structure synoptic diagram of the present utility model.
Fig. 2 is a Facad structure synoptic diagram of the present utility model.
Fig. 3 is that track girder takes off the structural representation that mechanism is connected with extensometer safety.
Fig. 4 is the structural representation that cross-tie is connected with the extensometer sleeve.
Fig. 5 is the schematic top plan view of Fig. 4.
Reference numeral: 1-track girder, 2-block, 3-roller, 4-bearing diagonal, the vertical pull bar of 5-, 6-cross-tie, 7-stator, 8-netpen framework, 9-protection cylinder mould, 10-extensometer sleeve, 11-cylinder mould door, 12-protection cylinder mould baffle plate, 13-rolling wheel support, 14-draw otic placode, 15-hinge, 16-bolt, 17-wheel shaft, 18-pin.
Embodiment
Embodiment is referring to Fig. 1, shown in Figure 2, a kind of safe servicing unit that is used for the steel strand wires tension test, be connected with the hydraulic pressure testing machine, it comprises the netpen framework 8 that is fixed on the hydraulic pressure tester base, go along with sb. to guard him the protection cylinder mould 9 that is connected on the netpen framework 8, cantilever is connected in the track girder 1 at netpen framework top and the extensometer safety that is connected in track girder 1 of rolling is taken off mechanism, and the outer end of described track girder 1 is connected with block 2; Described track girder 1 is a joist steel, and roller is that a pair of rolling is connected two wheels above the lower wing plate of track girder, and two wheel shafts 17 are connected as a single entity with rolling wheel support 13.
Described protection cylinder mould 9 is made up of intensive steel grid, and a side of netpen framework 8 is rotationally connected by hinge 15 and cylinder mould door 11, and the middle part of cross-tie 6 is supported on the hole of cylinder mould door 11.
Described netpen framework 8 is being connected with protection cylinder mould baffle plate 12 near track girder 1 part, track girder 1 is connected with bearing diagonal 4 with the corner of protection cylinder mould baffle plate 12.
Described vertical pull bar 5 is connected by pin 18 with cross-tie 6.
Referring to Fig. 1, shown in Figure 3, extensometer safety is taken off mechanism and is included: the roller 3 that is connected with track girder 1, the vertical pull bar 5 that is connected with rolling wheel support 13, with the vertical pull bar 5 T-shaped cross-ties that are connected 6 and place in the protection cylinder mould, be connected in the cross-tie outer end and with the extensometer sleeve 10 of extensometer socket.
Referring to Fig. 4, shown in Figure 5, the fixedly connected otic placode 14 that draws on the outer wall of described extensometer sleeve 10, cross-tie 6 is connected by bolt 16 with drawing otic placode 14.
This safe servicing unit in use, at first extensometer sleeve 10 is connected with extensometer, extensometer can move along extensometer sleeve 10, do not influence the use of extensometer, then an end of cross-tie 6 is connected with extensometer sleeve 10 usefulness bolts 16, the other end is connected with vertical pull bar 5 usefulness pins 18, shuts cylinder mould door 11 at last and begin test.When tension test was carried out taking off extensometer, operating personnel took off extensometer by what spur that vertical pull bar 5 can safety, and can see through protection cylinder mould 9 viewing test phenomenons.

Claims (6)

1. safe servicing unit that is used for the steel strand wires tension test, be connected with the hydraulic pressure testing machine, it is characterized in that: it comprises the netpen framework (8) that is fixed on the hydraulic pressure tester base, go along with sb. to guard him the protection cylinder mould (9) that is connected on the netpen framework (8), cantilever is connected in the track girder (1) at netpen framework top and the extensometer safety that is connected in track girder (1) of rolling is taken off mechanism, and the outer end of described track girder (1) is connected with block (2);
Extensometer safety is taken off mechanism and is included: the roller (3) that is connected with track girder (1), the vertical pull bar (5) that is connected with rolling wheel support (13), with the T-shaped cross-tie that is connected of vertical pull bar (5) (6) and place in the protection cylinder mould, be connected in the cross-tie outer end and with the extensometer sleeve (10) of extensometer socket.
2. a kind of safe servicing unit that is used for the steel strand wires tension test according to claim 1, it is characterized in that: described protection cylinder mould (9) is made up of intensive steel grid, one side of netpen framework (8) is rotationally connected by hinge (15) and cylinder mould door (11), and the middle part of cross-tie (6) is supported on the hole of cylinder mould door (11).
3. a kind of safe servicing unit that is used for the steel strand wires tension test according to claim 1 and 2, it is characterized in that: described track girder (1) is a joist steel, roller is that a pair of rolling is connected two wheels above the lower wing plate of track girder, and two wheel shafts (17) are connected as a single entity with rolling wheel support (13).
4. a kind of safe servicing unit that is used for the steel strand wires tension test according to claim 3, it is characterized in that: described netpen framework (8) is being connected with protection cylinder mould baffle plate (12) near track girder (1) part, track girder (1) is connected with bearing diagonal (4) with the corner of protection cylinder mould baffle plate (12).
5. a kind of safe servicing unit that is used for the steel strand wires tension test according to claim 3, it is characterized in that: the fixedly connected otic placode (14) that draws on the outer wall of described extensometer sleeve (10), cross-tie (6) is connected by bolt (16) with drawing otic placode (14).
6. a kind of safe servicing unit that is used for the steel strand wires tension test according to claim 3 is characterized in that: described vertical pull bar (5) is connected by pin (18) with cross-tie (6).
CN2010201853808U 2010-05-11 2010-05-11 Auxiliary safe device for steel strand tensile test Expired - Fee Related CN201673089U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201853808U CN201673089U (en) 2010-05-11 2010-05-11 Auxiliary safe device for steel strand tensile test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201853808U CN201673089U (en) 2010-05-11 2010-05-11 Auxiliary safe device for steel strand tensile test

Publications (1)

Publication Number Publication Date
CN201673089U true CN201673089U (en) 2010-12-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201853808U Expired - Fee Related CN201673089U (en) 2010-05-11 2010-05-11 Auxiliary safe device for steel strand tensile test

Country Status (1)

Country Link
CN (1) CN201673089U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103616177A (en) * 2013-12-18 2014-03-05 国家电网公司 Portable mechanical property detection device
CN105758708A (en) * 2016-03-30 2016-07-13 广西众诚工程质量检测有限公司 Tension testing machine protection device
CN108088748A (en) * 2017-12-18 2018-05-29 中国矿业大学 The steel strand wires pull-out test device and application method of a kind of integral retaining
CN111024496A (en) * 2019-11-28 2020-04-17 中国建筑第八工程局有限公司 Force transmission device for anti-pulling test and detection method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103616177A (en) * 2013-12-18 2014-03-05 国家电网公司 Portable mechanical property detection device
CN105758708A (en) * 2016-03-30 2016-07-13 广西众诚工程质量检测有限公司 Tension testing machine protection device
CN108088748A (en) * 2017-12-18 2018-05-29 中国矿业大学 The steel strand wires pull-out test device and application method of a kind of integral retaining
WO2019119898A1 (en) * 2017-12-18 2019-06-27 中国矿业大学 Integral clamping steel strand drawing test apparatus, and method for using same
AU2018388915B2 (en) * 2017-12-18 2020-07-23 China University Of Mining And Technology Integral clamping steel strand drawing test apparatus, and method for using same
US11162882B2 (en) 2017-12-18 2021-11-02 China University Of Mining And Technology Integral clamping steel strand drawing test apparatus, and method for using same
CN111024496A (en) * 2019-11-28 2020-04-17 中国建筑第八工程局有限公司 Force transmission device for anti-pulling test and detection method thereof

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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: 20101215

Termination date: 20120511