CN110108545B - Clamp for transverse traction test of lifting lug - Google Patents

Clamp for transverse traction test of lifting lug Download PDF

Info

Publication number
CN110108545B
CN110108545B CN201910413261.9A CN201910413261A CN110108545B CN 110108545 B CN110108545 B CN 110108545B CN 201910413261 A CN201910413261 A CN 201910413261A CN 110108545 B CN110108545 B CN 110108545B
Authority
CN
China
Prior art keywords
lug
connecting seat
seat
pull ring
clamp
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
CN201910413261.9A
Other languages
Chinese (zh)
Other versions
CN110108545A (en
Inventor
胡杰
余维林
周明芳
刘霖
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.)
Henan Aerospace Precision Machining Co Ltd
Original Assignee
Henan Aerospace Precision Machining 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 Henan Aerospace Precision Machining Co Ltd filed Critical Henan Aerospace Precision Machining Co Ltd
Priority to CN201910413261.9A priority Critical patent/CN110108545B/en
Publication of CN110108545A publication Critical patent/CN110108545A/en
Application granted granted Critical
Publication of CN110108545B publication Critical patent/CN110108545B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/04Chucks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001Type of application of the stress
    • G01N2203/0003Steady
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0017Tensile
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0042Pneumatic or hydraulic means
    • G01N2203/0048Hydraulic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/025Geometry of the test
    • G01N2203/0252Monoaxial, i.e. the forces being applied along a single axis of the specimen
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/04Chucks, fixtures, jaws, holders or anvils
    • G01N2203/0423Chucks, fixtures, jaws, holders or anvils using screws
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/06Indicating or recording means; Sensing means
    • G01N2203/067Parameter measured for estimating the property
    • G01N2203/0682Spatial dimension, e.g. length, area, angle

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention relates to a clamp for a lug transverse traction test. The clamp for the transverse traction test of the lifting lug comprises a first connecting seat and a second connecting seat; the first connecting seat is provided with a traction piece, the traction piece comprises a pull ring and a pull ring seat, the pull ring seat is provided with split parts respectively connected with two ends of the opening of the pull ring, and at least one split part is used for penetrating through an ear opening of the lifting lug when in use; be equipped with the lug fixing base on the second connecting seat, the lug connecting seat fixed connection that supplies to detect the lug so that the plane at the lug place of lug is perpendicular with the axial of tractive handle. At least one split part of the pull ring seat of the pulling piece is used for penetrating through an ear opening of the lifting lug when in use, so that the connection between the pull ring and the ear part of the lifting lug can be realized, and the pull ring seat is used for applying transverse pulling force to the ear part of the lifting lug; and the requirement of transverse traction is met.

Description

Clamp for transverse traction test of lifting lug
Technical Field
The invention relates to a clamp for a lug transverse traction test.
Background
The lug is the hoisting point structure of using commonly in the promotion transportation operation, requires that the lug has good bearing capacity, intensity and mechanical stability, otherwise when using, in case the lug produces deformation or even breaks because of can't bearing the use pulling force, will produce serious incident.
In the promotion transportation operation, the lug bears the vertical effort that vertical promotion brought, in order to prevent that the lug from producing the incident when using, need carry out the endurance tensile test to the lug. There is the testing arrangement that can carry out the proof tension test to the lug among the prior art, if grant bulletin number CN203203793U, the date of grant bulletin is the test lug frock that the chinese utility model patent of 2013 year 09 month 18 discloses.
The lifting lugs are sometimes also required to withstand lateral forces associated with horizontal transport. But current testing arrangement to the lug carry out tensile test can only detect the vertical stretch-proof ability of lug, can't be applicable to the demand that detects the horizontal stretch-proof ability of lug among the prior art.
Disclosure of Invention
The invention aims to provide a clamp for a lug transverse traction test, which meets the requirement of detecting the transverse tensile resistance of a lug in the prior art.
The technical scheme of the clamp for the lug transverse traction test is as follows: the clamp for the transverse traction test of the lifting lug comprises a first connecting seat and a second connecting seat; the first connecting seat and the second connecting seat are respectively provided with a traction handle, the traction handles are used for being connected with traction equipment so that the traction equipment drives the first connecting seat and the second connecting seat to move back to back, and the traction handles are provided with axial directions parallel to the back moving directions of the first connecting seat and the second connecting seat when the clamp is used;
the first connecting seat is provided with a traction piece, the traction piece comprises a pull ring and a pull ring seat, the pull ring is of a U-shaped structure, and the opening end of the U-shaped structure is fixed on the pull ring seat;
the pull ring seat is provided with split parts respectively connected with two ends of the pull ring opening, and at least one split part is used for penetrating through the ear opening of the lifting lug when in use;
the two part parts of the pull ring seat are respectively provided with a connecting structure used for being connected with the first connecting seat;
be equipped with the lug fixing base on the second connecting seat, the lug connecting seat fixed connection that supplies to detect the lug so that the plane at the lug place of lug is perpendicular with the axial of tractive handle.
The clamp for the lug transverse traction test has the advantages that: the second connecting seat and the lifting lug fixing seat can enable the plane of the ear part of the detected lifting lug to be vertical to the opposite movement directions of the first connecting seat and the second connecting seat, and at least one split part of the pull ring seat of the traction piece is used for penetrating through an ear part opening of the lifting lug when in use, so that the connection between the pull ring and the lifting lug ear part can be realized, and the pull ring seat is used for applying a transverse traction force to the lifting lug ear part; simultaneously, all be equipped with the connection structure who is used for being connected with first connection pad on two parts portions of pull ring seat, can share the horizontal pulling force of pull ring, realize satisfying horizontal tractive demand to the stable loading of lug.
Furthermore, the traction piece also comprises a filling clamping block arranged between the two split parts of the pull ring seat;
the thickness of the filling clamp block is adapted to the spacing between the two split parts to prevent the two split parts of the pull ring holder from coming together.
The pull ring seat has the beneficial effects that the connection reliability between the pull ring seat and the first connecting seat is prevented from being influenced due to the mutual approach of the two split parts of the pull ring seat.
Furthermore, a connecting threaded hole is formed in the first connecting seat, external threads located on the complete thread profile are arranged on the two split parts of the pull ring seat, the external threads on the split parts are used for being in threaded connection with the connecting threaded hole, and the connecting structure is the external threads arranged on the two split parts of the pull ring seat.
The pull ring has the beneficial effects that the pull piece is connected with the first connecting seat through the threads, the structure is simple, the connection is stable, the volumes of the two split parts of the pull ring seat can be smaller by adopting the threads, and the split parts of the pull ring seat can conveniently penetrate through the lug hole of the lifting lug.
Furthermore, a positioning bulge is arranged on the filling clamping block, the axis of the positioning bulge is parallel to or coincided with the axis of the traction handle, and a positioning hole for the positioning bulge to be rotatably inserted is formed in the first connecting seat.
Its beneficial part lies in, through the cooperation of location arch and locating hole, when preventing first connecting seat and tractive spare threaded connection, the radial movement of the connecting screw hole of packing clamp splice along first connecting seat is favorable to guaranteeing the connection steadiness between tractive spare and the first connecting seat.
Further, the lug fixing base is L type seat, and L type seat includes mutually perpendicular's lug connecting portion and connecting seat connecting portion, lug connecting portion be used for with wait to detect the ear connecting seat fixed connection of lug, connecting seat connecting portion be used for with second connecting seat fixed connection.
The fixture has the beneficial effects that the fixture for the transverse traction test of the lifting lug can conveniently realize the transverse stress of the lifting lug.
Furthermore, the lug connecting part is positioned on the radial outer side of the second connecting seat and used for enabling the tension part of the lug part to be positioned in the axial direction of the traction handle.
The connecting device has the beneficial effects that the lug parts of the lifting lugs are positioned at the axle center of the first connecting seat, so that the lifting lugs are prevented from bearing bending moment during a tensile test.
Furthermore, the lug connecting part is provided with a mounting threaded hole, and the mounting threaded hole is used for being in threaded connection with the external thread of the lug connecting seat of the lug.
The lifting lug connecting device has the beneficial effects that the ear connecting seat of the lifting lug can be quickly connected with the lifting lug connecting part, and the connection is reliable.
Drawings
FIG. 1 is a diagram illustrating a state of use of an embodiment of the clamp for a lug lateral tension test according to the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic structural diagram of a pulling part of a specific embodiment of the clamp for the lug transverse pulling test of the invention;
FIG. 4 is a schematic structural diagram of a filling clamp block of a specific embodiment of the clamp for the lug transverse pulling test of the invention;
FIG. 5 is a schematic structural diagram of a lug fixing seat of an embodiment of the clamp for the lug transverse tension test of the invention;
fig. 6 is a schematic structural diagram of a second connection seat of the embodiment of the clamp for the lug transverse pull test of the present invention;
in the figure: 1. the device comprises a first connecting seat, a second connecting seat, a first pulling handle, a second connecting seat, a second pulling handle, a second pulling piece, a third pulling piece, a fourth pulling piece, a fifth pulling piece, a pulling piece seat, 43, a filling clamping block, 431, a positioning protrusion, 5 a lifting lug, 51, an ear, a lifting lug, a connecting piece, 62, a connecting piece, 6, a connecting piece, and a connecting piece, and a connecting piece, a connecting.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The specific embodiment of the clamp (hereinafter referred to as the clamp) for the horizontal pulling test of the lifting lug of the invention, as shown in fig. 1 and 2, comprises a first connecting seat 1 and a second connecting seat 2; first connecting seat 1 and second connecting seat 2 all have traction handle 3, and corresponding stretching device is hydraulic testing machine, has two wedge anchor clamps, and wedge anchor clamps press from both sides tight traction handle 3 respectively, realize hydraulic testing machine respectively with the fixed connection between first connecting seat 1 and the second connecting seat 2. The traction handle 3 is used for being fixedly connected with a hydraulic testing machine so that the hydraulic testing machine drives the first connecting seat 1 and the second connecting seat 2 to move back to back, and the traction handle 3 is provided with an axial direction which is parallel to the back to back moving direction of the first connecting seat 1 and the second connecting seat 2 when the clamp is used.
The clamp further comprises a pulling part 4 arranged on the first connecting seat 1, as shown in fig. 3, the pulling part 4 comprises a pulling ring 41 and a pulling ring seat 42, the pulling ring 41 is of a U-shaped structure, and the open end of the U-shaped structure is fixed on the pulling ring seat 42; the tab seat 42 has separate portions connected to both ends of the tab opening, respectively, and the separate portions can pass through the ear holes of the ears 5.
Be equipped with connecting screw hole on the first connecting seat 1, all be equipped with the external screw thread with the connecting screw hole adaptation on the first connecting seat 1 on two components of a whole parts of pull ring seat 42, the external screw thread on two components of a whole parts is located a complete thread profile. When the clamp is used, the pull ring seat 42 is in threaded connection with the connection threaded hole of the first connecting seat 1 to fix the pulling piece 4 and the first connecting seat 1, and the external threads on the split part form a connecting structure for being connected with the first connecting seat 1. The pulling member 4 further includes a filling clamping block 43, as shown in fig. 4, the filling clamping block 43 is disposed between two separated portions of the pull ring seat 42, the thickness of the filling clamping block 43 is adapted to the width of the gap between the two separated portions, so as to prevent the opening of the pull ring 41 from shrinking when the pull ring seat 42 is in threaded connection with the first connection seat 1, and the two separated portions of the pull ring seat 42 are close to each other, which results in the threaded connection between the pull ring seat 42 and the threaded connection hole of the first connection seat 1 being loosened.
When the size of the filling clamping block 43 is determined by the fact that when the pulling piece 4 is matched with the first connecting seat 1, the filling clamping block 43 cannot interfere with the connecting threaded hole of the first connecting seat 1, in order to prevent the filling clamping block 43 from freely moving in the connecting threaded hole of the first connecting seat 1 along the radial direction of the connecting threaded hole of the first connecting seat 1, a positioning protrusion 431 is arranged at one end, away from the pulling ring, of the filling clamping block 43 when the clamp is used, and the axis of the positioning protrusion 431 coincides with the axis of the pulling handle 3. When the clamp is used, the first connecting seat 1 is provided with a positioning hole for inserting the positioning protrusion 431, and the radial movement of the filling clamping block 43 along the connecting threaded hole of the first connecting seat 1 is limited by the stop fit between the positioning hole and the positioning protrusion 431, so that the connection stability between the pulling piece 4 and the first connecting seat 1 is ensured. In other embodiments, the axis of the positioning protrusion may be parallel to the axis of the pulling grip.
The fixture further comprises a lifting lug fixing seat 6 arranged on the second connecting seat 2, as shown in fig. 5 and 6, the lifting lug fixing seat 6 is an L-shaped seat, the L-shaped seat comprises a lifting lug connecting part 61 and a connecting seat connecting part 62 which are perpendicular to each other, the connecting seat connecting part 62 is fixedly connected with the second connecting seat 2 through a fixing bolt 7, and the fixing bolt 7 has six parts in order to ensure the connection reliability between the connecting seat connecting part 62 and the second connecting seat 2. Lug connecting portion 61 supplies ear connecting seat 51 fixed connection of lug 5, be equipped with the installation screw hole on the lug connecting portion 61, the installation screw hole be used for with the ear connecting seat 51 of lug on external screw thread connected, make the plane at ear 52 place of lug 5 and the axial of the tractive handle 3 of second connecting seat 2 perpendicular. Be equipped with spacing recess on the second connecting seat 2, be equipped with on connecting seat connecting portion 62 be used for with the spacing arch of the spacing recess complex on the second connecting seat, through spacing recess and the spacing bellied cooperation, can prevent when the first fixing bolt 7 of screw in is in order to connect second connecting seat 2 and lug fixing base 6, lug fixing base 6 uses the axis of first fixing bolt 7 as the rotation axis rotation, leads to all the other fixing bolt 7 unable screw ins.
The use principle of the clamp for the lug transverse traction test is as follows: clamping the traction handle 3 of the second connecting seat 2 by a wedge-shaped clamp of a hydraulic testing machine, connecting the second connecting seat 2 with the hydraulic testing machine, fixedly connecting the connecting seat connecting part 62 with the second connecting seat 2 through a fastening bolt 7, screwing the ear connecting seat 51 of the lug 5 into a mounting threaded hole on the lug connecting part 61, generally before screwing the ear connecting seat 51 of the lug 5 into the mounting threaded hole on the lug connecting part 61, between the ear connecting seat 51 of the lug 5 and the mounting threaded hole on the lug connecting part 61, filling a gasket adaptive to the thickness of the ear connecting seat 51 of the lug 5, and adjusting and installing in place, wherein the number of rotation turns of the ear connecting seat 51 of the lug 5 is equal to that of the plane where the ear 52 of the lug 5 is located and the axial direction of the traction handle 3 of the second connecting seat.
One split part of the pull ring seat 42 penetrates through the ear hole of the lifting lug 5, the filling clamping block 43 is placed in a gap between the two split parts of the pull ring seat 42, then the pull ring seat 42 is screwed into the mounting threaded hole of the first connecting seat 1, the positioning protrusion 431 of the filling clamping block 43 is inserted into the positioning hole, and the hole wall of the positioning hole limits the radial movement of the positioning protrusion 431 along the mounting threaded hole of the first connecting seat 1 so as to prevent the filling clamping block 43 from moving along the radial direction of the mounting threaded hole in the mounting threaded hole of the first connecting seat 1. Then the other wedge-shaped clamp of the hydraulic testing machine is used for clamping the pulling handle of the first connecting seat 1.
Starting the hydraulic testing machine, wherein two wedge-shaped clamps of the hydraulic testing machine move towards opposite directions, and apply a pair of forces which are perpendicular to the plane where the ear part 52 of the lifting lug 5 is located and opposite in direction to one end, away from the ear connecting seat 51, of the ear part 52 of the lifting lug 5 and the ear connecting seat 51 of the lifting lug 5 respectively. And setting the tensile force output by the hydraulic testing machine according to the use requirement of the lifting lug 5, and keeping the tensile force for a plurality of minutes. Then take off lug 5, observe and detect whether lug 5 warp to detect lug 5's structural strength, whether satisfy the operation requirement with the horizontal stretch-proof ability of judging lug 5.
In other embodiments, the lug fixing seat also can be arranged integrally with the first connecting seat, and at this time, the lug connecting seat can be only a vertical plate fixedly connected with the lug connecting seat for detecting the lugs.
In other embodiments, an unthreaded hole for accommodating the ear connection seat of the lifting lug may be provided on the lifting lug connection portion, and the ear connection seat of the lifting lug and the lifting lug connection seat are fixedly connected through a set screw extending into the unthreaded hole. If the ear connecting seat of the lifting lug is in a flange form, the ear connecting seat of the lifting lug can be connected with the lifting lug connecting seat through a bolt. If the axial dimension of the ear connecting seat of the lifting lug is longer, the ear connecting seat of the lifting lug can be directly inserted into the unthreaded hole, and the ear connecting seat of the lifting lug is stopped through the hole wall of the unthreaded hole, so that the ear connecting seat of the lifting lug is limited to be separated from the unthreaded hole.
In other embodiments, a mounting hole for receiving the pull ring seat may be formed in the first connecting seat, a pin shaft perpendicular to the axial direction of the pull handle is formed in the first connecting seat, and the pull ring seat is prevented from coming out of the mounting hole by the stop between the pin shaft and the pull ring seat. In this case, the filling clamp block does not need to be provided.
In other embodiments, a T-shaped groove may be formed in the first connecting seat, the tab seat is configured to be a T-shaped head, and the tab seat is prevented from being separated from the first connecting seat by the cooperation of the T-shaped groove and the T-shaped head. In other embodiments, the filling clamping block is not provided with a positioning bulge, and the filling clamping block is prevented from freely moving between the pull ring seats by means of the friction force between the filling clamping block and the pull ring seats.
The clamp for the lug transverse traction test can realize traction on the first connecting seat and the second connecting seat in a form other than hydraulic driving, for example, a servo electric cylinder, an air cylinder and the like are used as power.

Claims (7)

1. The clamp for the transverse traction test of the lifting lug is characterized by comprising a first connecting seat and a second connecting seat; the first connecting seat and the second connecting seat are respectively provided with a traction handle, the traction handles are used for being connected with traction equipment so that the traction equipment drives the first connecting seat and the second connecting seat to move back to back, and the traction handles are provided with axial directions parallel to the back moving directions of the first connecting seat and the second connecting seat when the clamp is used;
the first connecting seat is provided with a traction piece, the traction piece comprises a pull ring and a pull ring seat, the pull ring is of a U-shaped structure, and the opening end of the U-shaped structure is fixed on the pull ring seat;
the pull ring seat is provided with split parts respectively connected with two ends of the pull ring opening, and at least one split part is used for penetrating through the ear opening of the lifting lug when in use;
the two part parts of the pull ring seat are respectively provided with a connecting structure used for being connected with the first connecting seat;
be equipped with the lug fixing base on the second connecting seat, the lug connecting seat fixed connection that supplies to detect the lug so that the plane at the lug place of lug is perpendicular with the axial of tractive handle.
2. The clamp for the lug transverse pulling test according to claim 1, wherein the pulling piece further comprises a filling clamping block arranged between the two split parts of the pull ring seat;
the thickness of the filling clamp block is adapted to the spacing between the two split parts to prevent the two split parts of the pull ring holder from coming together.
3. The clamp for the lug transverse pulling test according to claim 2, wherein the first connecting seat is provided with a connecting threaded hole, two split parts of the pull ring seat are provided with external threads on a complete thread profile, the external threads on the split parts are used for being in threaded connection with the connecting threaded hole, and the connecting structure is the external threads arranged on the two split parts of the pull ring seat.
4. The clamp for the lug transverse traction test according to claim 2 or 3, wherein the filling clamp block is provided with a positioning protrusion, the axis of the positioning protrusion is parallel to or coincident with the axis of the traction handle, and the first connecting seat is provided with a positioning hole for the positioning protrusion to be rotatably inserted into.
5. The clamp for the lug transverse traction test according to claim 1, 2 or 3, wherein the lug fixing seat is an L-shaped seat, the L-shaped seat comprises a lug connecting part and a connecting seat connecting part which are perpendicular to each other, the lug connecting part is used for being fixedly connected with an ear connecting seat of the lug to be detected, and the connecting seat connecting part is used for being fixedly connected with a second connecting seat.
6. The clamp for the lug transverse pulling test according to claim 5, wherein the lug connecting part is positioned at the radial outer side of the second connecting seat and is used for enabling the pulled part of the lug ear to be positioned in the axial direction of the pulling handle.
7. The clamp for the lug transverse traction test according to claim 5, wherein the lug connecting portion is provided with a mounting threaded hole, and the mounting threaded hole is used for being in threaded connection with an external thread of the lug connecting seat of the lug.
CN201910413261.9A 2019-05-17 2019-05-17 Clamp for transverse traction test of lifting lug Active CN110108545B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910413261.9A CN110108545B (en) 2019-05-17 2019-05-17 Clamp for transverse traction test of lifting lug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910413261.9A CN110108545B (en) 2019-05-17 2019-05-17 Clamp for transverse traction test of lifting lug

Publications (2)

Publication Number Publication Date
CN110108545A CN110108545A (en) 2019-08-09
CN110108545B true CN110108545B (en) 2021-08-06

Family

ID=67490764

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910413261.9A Active CN110108545B (en) 2019-05-17 2019-05-17 Clamp for transverse traction test of lifting lug

Country Status (1)

Country Link
CN (1) CN110108545B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113820115A (en) * 2021-09-24 2021-12-21 无锡威孚力达催化净化器有限责任公司 Double-shaft lifting lug fatigue performance testing device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102023116A (en) * 2010-10-14 2011-04-20 中国人民解放军空军工程大学 Test analysis method for bolt connecting piece fatigue crack expanding
CN102252903A (en) * 2011-05-04 2011-11-23 中国航空工业集团公司西安飞机设计研究所 Lug structure clamping method
KR20120050867A (en) * 2010-11-11 2012-05-21 삼성중공업 주식회사 Specimen of lifting lug
CN202928888U (en) * 2012-11-02 2013-05-08 中国广东核电集团有限公司 Lifting point or anchoring point load testing device for nuclear power plant
CN203203793U (en) * 2013-05-02 2013-09-18 江苏润邦重工股份有限公司 Lifting lug testing tool
KR20150025134A (en) * 2013-08-28 2015-03-10 현대중공업 주식회사 Load testing apparatus for lifting lug
CN107063875A (en) * 2017-03-15 2017-08-18 张曙光 A kind of suspension ring load test apparatus peculiar to vessel
CN208140490U (en) * 2018-05-23 2018-11-23 合肥众机群机械制造有限公司 A kind of shackle plate detecting tool

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102023116A (en) * 2010-10-14 2011-04-20 中国人民解放军空军工程大学 Test analysis method for bolt connecting piece fatigue crack expanding
KR20120050867A (en) * 2010-11-11 2012-05-21 삼성중공업 주식회사 Specimen of lifting lug
CN102252903A (en) * 2011-05-04 2011-11-23 中国航空工业集团公司西安飞机设计研究所 Lug structure clamping method
CN202928888U (en) * 2012-11-02 2013-05-08 中国广东核电集团有限公司 Lifting point or anchoring point load testing device for nuclear power plant
CN203203793U (en) * 2013-05-02 2013-09-18 江苏润邦重工股份有限公司 Lifting lug testing tool
KR20150025134A (en) * 2013-08-28 2015-03-10 현대중공업 주식회사 Load testing apparatus for lifting lug
CN107063875A (en) * 2017-03-15 2017-08-18 张曙光 A kind of suspension ring load test apparatus peculiar to vessel
CN208140490U (en) * 2018-05-23 2018-11-23 合肥众机群机械制造有限公司 A kind of shackle plate detecting tool

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
任意角度受载的耳片强度分析;张树祥;《机械设计》;19920131(第1期);第22-25页 *

Also Published As

Publication number Publication date
CN110108545A (en) 2019-08-09

Similar Documents

Publication Publication Date Title
CN110108545B (en) Clamp for transverse traction test of lifting lug
CN203309368U (en) Clamp type fixing support for automobile pipe column
CN201665488U (en) Lifting wire rope end fixing device
EP2942533B1 (en) Battery sensor clamp assembly
CN204269467U (en) A kind of jig preventing sample from bending
CN202676368U (en) Main shaft locking device of dynamic balance test machine
JP2017060222A (en) Strain clamp
CN113091978B (en) Device and method for detecting prestress of parallel steel strand type stay cable
CN107882854A (en) A kind of automobile guy cable fixed card buckle
CN210375644U (en) Mooring ring mounting seat and mooring ring tensile test assembly
CN113405892A (en) Electric power fitting grip strength testing machine
CN208257349U (en) Copper bar clamping device applied to bus
CN219641408U (en) Cable tension testing device
CN218397821U (en) Film test fixture
CN111060248A (en) Nut pretightning force and moment of torsion test equipment
CN215677846U (en) Clamp for breaking test for steel cable
CN110686821B (en) Nut torsion-pull test device and nut torsion-pull test tool thereof
CN213800056U (en) Bicycle brake cable fixer
CN220622375U (en) Pc piece connecting piece
CN216638570U (en) Internal guide piece with positioning structure for hollow elevator guide rail
CN211347688U (en) Clamp for electric power fitting tension test
CN219466020U (en) Engine flywheel stop tool
CN203050704U (en) Quick insertion type coal mining machine cable holding frame fixing structure
CN211163737U (en) Guide rail connecting device
CN115979798B (en) Joint for detecting screw welding torque intensity and using method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant