CN106680077B - Hoisting point test device and method - Google Patents
Hoisting point test device and method Download PDFInfo
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- CN106680077B CN106680077B CN201611073889.1A CN201611073889A CN106680077B CN 106680077 B CN106680077 B CN 106680077B CN 201611073889 A CN201611073889 A CN 201611073889A CN 106680077 B CN106680077 B CN 106680077B
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- connecting plate
- fixed seat
- hoisting
- lifting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0464—Chucks, fixtures, jaws, holders or anvils with provisions for testing more than one specimen at the time
- G01N2203/047—Chucks, fixtures, jaws, holders or anvils with provisions for testing more than one specimen at the time in series
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- 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 discloses a lifting point test device and method, and belongs to the technical field of static load strength tests. The hoisting point test device comprises: the plurality of lifting point fixtures are connected with the lifting points, the lifting point fixtures are connected with the tensile testing machine, and the plurality of lifting point fixtures are connected in series through the sleeving mechanism. The hoisting point test device and the method have the advantages of low manufacturing cost, convenient and quick operation and high efficiency, can simultaneously realize the simultaneous test of several to dozens of hoisting points, and meet the requirement of batch tests.
Description
Technical Field
The invention relates to the technical field of static load strength tests, in particular to a lifting point test device and method.
Background
The lifting point of the product is a quick-wear part which is used as a main stress part for connecting the lifting appliance and the product, and the service life is short. In the after-sales service project of the lifting appliance, the mass production, the manufacturing and the test of the lifting point become the most important. Static load and strength tests of front and rear hoisting points of the existing product are carried out by adopting a counterweight method. The lifting appliance is connected with the hoisting equipment and the test counterweight frame, and the position of the counterweight on the counterweight frame is adjusted to ensure that the comprehensive mass center is close to the mass center of the product. And (5) adjusting the height away from the ground for half an hour, and checking the lifting appliance after the load is unloaded. The counterweight frame used by the method needs to meet the requirement of the distance between the front lifting point and the rear lifting point of the product, is often large in size, heavy in weight and high in manufacturing cost, only two front lifting points and two rear lifting points can be checked in each test, and in an after-sales service project, the requirement of batch tests needs to be met, and huge manpower, material resources and time are consumed.
Disclosure of Invention
The invention provides a lifting point test device and a lifting point test method, which solve or partially solve the technical problems that when a lifting point test is carried out by a counter weight method in the prior art, the cost is high, the operation is complicated, the efficiency is low, only two lifting points can be tested in each test, and the requirement of batch tests cannot be met.
In order to solve the technical problem, the invention provides a hoisting point testing device which is connected with a tensile testing machine; the test device comprises: the lifting point clamps are connected with the lifting points, the lifting point clamps are connected with the tensile testing machine, and the lifting point clamps are connected in series through a sleeving mechanism.
Further, the hoisting point clamp comprises: the fixed seat is connected with the sleeving mechanism; one end of the connecting component is connected with the fixed seat; a support member connected to the other end of the connection member; and one end of the pull rod is connected with the supporting part, and the other end of the pull rod is connected with the tensile testing machine.
Further, the connection member includes: one end of the first connecting plate is connected with one end of the fixed seat, and the other end of the first connecting plate is connected with one end of the supporting component; and one end of the second connecting plate is connected with the other end of the fixing seat, the other end of the second connecting plate is connected with the other end of the supporting part, and the first connecting plate and the second connecting plate are symmetrical with the central line of the fixing seat.
Further, the support member includes: and the cross beam is connected with the other end of the connecting part.
Further, the socket mechanism includes: and the connecting sleeve is used for connecting the plurality of hoisting point clamps in series.
Based on the same inventive concept, the invention also provides a hoisting point test method, which comprises the following steps: determining the number of hoisting point clamps according to the number of hoisting points; connecting a plurality of lifting point clamps in series through connecting sleeves of a sleeving mechanism; connecting the hoisting point to the hoisting point clamp; and connecting the lifting point clamp with a tensile testing machine to simulate the stress condition of the lifting point in a test state.
Further, the hoisting point clamp comprises: the fixed seat is connected with the sleeving mechanism; one end of the connecting component is connected with the fixed seat; a support member connected to the other end of the connection member; and one end of the pull rod is connected with the supporting part, and the other end of the pull rod is connected with the tensile testing machine.
Further, the connection member includes: one end of the first connecting plate is connected with one end of the fixed seat, and the other end of the first connecting plate is connected with one end of the supporting component; and one end of the second connecting plate is connected with the other end of the fixing seat, the other end of the second connecting plate is connected with the other end of the supporting part, and the first connecting plate and the second connecting plate are symmetrical with the central line of the fixing seat.
Further, the support member includes: and the cross beam is connected with the other end of the connecting part.
Further, will hoisting point anchor clamps are connected with tensile testing machine, the atress condition under the simulation hoisting point test state includes: and determining the number of the hoisting point clamps according to the stroke of the tensile testing machine.
The lifting point test device and the method provided by the invention determine the number of the lifting point clamps according to the number of the lifting points, connect the plurality of lifting point clamps in series through the connecting sleeve of the sleeving mechanism, ensure that the stress of the plurality of lifting point clamps is the same, connect the lifting points on the lifting point clamps, connect the lifting point clamps with the tensile testing machine, simulate the stress condition under the state of a lifting point test, have low manufacturing cost, convenient and rapid operation and high efficiency, can simultaneously realize the simultaneous test of several to dozens of lifting points, and meet the requirement of batch tests.
Drawings
Fig. 1 is a schematic structural diagram of a hoisting point testing apparatus provided in an embodiment of the present invention;
FIG. 2 is a schematic structural view of a pull rod of the hoisting point testing apparatus of FIG. 1;
FIG. 3 is a schematic structural view of a fixing base of the hoisting point testing apparatus in FIG. 1;
FIG. 4 is a schematic structural view of a cross beam of the hoisting point testing apparatus of FIG. 1;
fig. 5 is a schematic structural diagram of a first connecting plate of the hoisting point testing apparatus in fig. 1.
Detailed Description
Referring to fig. 1 to 5, a lifting point testing apparatus provided in an embodiment of the present invention is connected to the tensile testing machine; the test device comprises: a plurality of hoisting point clamps 1.
The lifting point connecting device is characterized in that the lifting point clamps 1 are connected with the lifting points, the lifting point clamps 1 are connected with the tensile testing machine, and the lifting point clamps 1 are connected in series through the sleeving mechanisms 2.
According to the technical scheme, the number of the lifting point clamps is determined according to the number of the lifting points, the plurality of lifting point clamps are connected in series through the connecting sleeve of the sleeving mechanism, the plurality of lifting point clamps are guaranteed to be stressed the same, the lifting points are connected to the lifting point clamps, the lifting point clamps are connected with the tensile testing machine, the stress condition under the lifting point test state is simulated, the manufacturing cost is low, the operation is convenient and fast, the efficiency is high, the simultaneous tests of a plurality of lifting points to dozens of lifting points can be realized at the same time, and the batch test requirements are met.
The construction of the hoisting point clamp is described in detail.
The hoisting point clamp comprises: a fixed seat 1-1, a connecting part 1-2, a supporting part 1-3 and a pull rod 1-4.
The fixed seat 1-1 is connected with the sleeving connection mechanism 2. Specifically, in the present embodiment, the fixing seat 1-1 is screwed with the socket mechanism 2.
One end of the connecting part 1-2 is fixedly connected with the fixed seat 1-1. The connecting member includes: a first connecting plate 1-21 and a second connecting plate 1-22. One end of the first connecting plate 1-21 is fixedly connected with one end of the fixed seat 1-1. Specifically, in the present embodiment, one end of the first connecting plate 1-21 is fixedly connected to one end of the fixing base 1-1 through a bolt, and in other embodiments, one end of the first connecting plate 1-21 may be fixedly connected to one end of the fixing base 1-1 through another means, such as a shaft pin. The other end of the first connecting plate 1-21 is fixedly connected with one end of the supporting component 1-3. Specifically, in the present embodiment, the other end of the first connecting plate 1-21 is fixedly connected to one end of the supporting member 1-3 by a bolt, and in other embodiments, the other end of the first connecting plate 1-21 may be fixedly connected to one end of the supporting member 1-3 by other means, such as a shaft pin or the like. One end of the second connecting plate 1-22 is fixedly connected with the other end of the fixed seat 1-1. Specifically, in the present embodiment, one end of the second connecting plate 1-22 is fixedly connected to the other end of the fixing base 1-1 by a bolt, and in other embodiments, one end of the second connecting plate 1-22 may be fixedly connected to the other end of the fixing base 1-1 by other means, such as a shaft pin. The other end of the second connecting plate 1-22 is fixedly connected with the other end of the supporting part 1-3. Specifically, in the present embodiment, the other end of the second connecting plate 1-22 is fixedly connected to the other end of the supporting member 1-3 by a bolt, and in other embodiments, the other end of the second connecting plate 1-22 may be fixedly connected to the other end of the supporting member 1-3 by other means, such as a shaft pin or the like. The first connecting plate 1-21 and the second connecting plate 1-22 are symmetrical with the central line of the fixed seat 1-1.
The support member 1-3 is connected to the other end of the connecting member 1-2. The support member includes: cross members 1-31. The cross beam 1-31 is fixedly connected with the other end of the connecting part 1-2. Specifically, in the present embodiment, the cross member 1-31 is fixedly connected to the other end of the connecting member 1-2 by a bolt, and in other embodiments, the cross member 1-31 may be fixedly connected to the other end of the connecting member 1-2 by other means, such as a shaft pin or the like.
One end of the pull rod 1-4 is fixedly connected with the supporting part 1-3. Specifically, in this embodiment, one end of the pull rod 1-4 is annular and is sleeved on the support component 1-3, and the pull rod 1-4 is fixed on the support component 1-3 by a screw. The other end of the pull rod 1-4 is connected with the tensile testing machine. Specifically, in the present embodiment, the other end of the tie rod 1-4 is screwed to the tensile testing machine.
The structure of the socket mechanism is described in detail.
The socket joint mechanism includes: a connecting sleeve 2-1.
The connecting sleeve 2-1 connects the plurality of hoisting point clamps 1 in series to ensure that the plurality of hoisting point clamps are stressed the same.
Based on the same inventive concept, the invention also provides a hoisting point test method, which comprises the following steps:
And 2, connecting a plurality of the hoisting point fixtures 1 in series through connecting sleeves 2-1 of the sleeving connection mechanism 2.
And 3, connecting the hoisting point to the hoisting point clamp 1.
And 4, connecting the lifting point clamp 1 with a tensile testing machine, and simulating the stress condition of the lifting point in a test state.
The construction of the hoisting point clamp is described in detail.
The hoisting point clamp comprises: a fixed seat 1-1, a connecting part 1-2, a supporting part 1-3 and a pull rod 1-4.
The fixed seat 1-1 is connected with the sleeving connection mechanism 2. Specifically, in the present embodiment, the fixing seat 1-1 is screwed with the socket mechanism 2.
One end of the connecting part 1-2 is fixedly connected with the fixed seat 1-1. The connecting member includes: a first connecting plate 1-21 and a second connecting plate 1-22. One end of the first connecting plate 1-21 is fixedly connected with one end of the fixed seat 1-1. Specifically, in the present embodiment, one end of the first connecting plate 1-21 is fixedly connected to one end of the fixing base 1-1 through a bolt, and in other embodiments, one end of the first connecting plate 1-21 may be fixedly connected to one end of the fixing base 1-1 through another means, such as a shaft pin. The other end of the first connecting plate 1-21 is fixedly connected with one end of the supporting component 1-3. Specifically, in the present embodiment, the other end of the first connecting plate 1-21 is fixedly connected to one end of the supporting member 1-3 by a bolt, and in other embodiments, the other end of the first connecting plate 1-21 may be fixedly connected to one end of the supporting member 1-3 by other means, such as a shaft pin or the like. One end of the second connecting plate 1-22 is fixedly connected with the other end of the fixed seat 1-1. Specifically, in the present embodiment, one end of the second connecting plate 1-22 is fixedly connected to the other end of the fixing base 1-1 by a bolt, and in other embodiments, one end of the second connecting plate 1-22 may be fixedly connected to the other end of the fixing base 1-1 by other means, such as a shaft pin. The other end of the second connecting plate 1-22 is fixedly connected with the other end of the supporting part 1-3. Specifically, in the present embodiment, the other end of the second connecting plate 1-22 is fixedly connected to the other end of the supporting member 1-3 by a bolt, and in other embodiments, the other end of the second connecting plate 1-22 may be fixedly connected to the other end of the supporting member 1-3 by other means, such as a shaft pin or the like. The first connecting plate 1-21 and the second connecting plate 1-22 are symmetrical with the central line of the fixed seat 1-1.
The support member 1-3 is connected to the other end of the connecting member 1-2. The support member includes: cross members 1-31. The cross beam 1-31 is fixedly connected with the other end of the connecting part 1-2. Specifically, in the present embodiment, the cross member 1-31 is fixedly connected to the other end of the connecting member 1-2 by a bolt, and in other embodiments, the cross member 1-31 may be fixedly connected to the other end of the connecting member 1-2 by other means, such as a shaft pin or the like.
One end of the pull rod 1-4 is fixedly connected with the supporting part 1-3. Specifically, in this embodiment, one end of the pull rod 1-4 is annular and is sleeved on the support component 1-3, and the pull rod 1-4 is fixed on the support component 1-3 by a screw. The other end of the pull rod 1-4 is connected with the tensile testing machine. Specifically, in the present embodiment, the other end of the tie rod 1-4 is screwed to the tensile testing machine.
Step 4 is described in detail.
Will the hoisting point anchor clamps are connected with tensile testing machine, and the atress condition under the simulation hoisting point test state includes: and determining the number of the hoisting point clamps 1 according to the stroke of the tensile testing machine.
In order to more clearly describe the embodiment of the present invention, the following description is provided in terms of the method of using the embodiment of the present invention.
The number of hoisting point clamps 1 is determined according to the number of hoisting points. One end of a pull rod 1-4 of the hoisting point clamp 1 is annular and is sleeved on a cross beam 1-31, and the other section of the pull rod 1-4 is fixed by a screw and is connected with a tensile testing machine. One end of a first connecting plate 1-21 is connected with one end of the fixed seat 1-1, the other end of the first connecting plate is connected with one end of the supporting component 1-3, one end of a second connecting plate 1-22 is connected with the other end of the fixed seat 1-1, the other end of the second connecting plate is connected with the other end of the supporting component 1-3, the first connecting plate 1-21 and the second connecting plate 1-22 are symmetrical with the central line of the fixed seat 1-1, and the lifting points are fixed on the first connecting plate 1-21 and the second connecting plate 1-22 through bolts and gaskets. The fixed seat 1-1 is connected with the pull rods of other hoisting point clamps through the connecting sleeve 2-1, so that the plurality of hoisting point clamps 1 are connected in series, and the plurality of hoisting point clamps are ensured to be stressed the same. The fixing seats of other hoisting point fixtures are connected with the tensile testing machine, the tensile testing machine is started, the stress condition under the hoisting point test state is simulated, the manufacturing cost is low, the operation is convenient and fast, the efficiency is high, a plurality of hoisting points to dozens of hoisting points can be simultaneously tested, and the requirement of batch tests is met.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (6)
1. A hoisting point test device is connected with a tensile test machine; it is characterized in that the test device comprises:
the lifting point clamps (1) are connected with the lifting points, the lifting point clamps (1) are connected with the tensile testing machine, and the lifting point clamps (1) are connected in series through a sleeving mechanism (2);
the hoisting point clamp comprises:
the fixed seat (1-1) is connected with the sleeving connection mechanism (2);
one end of the connecting component (1-2) is connected with the fixed seat (1-1);
a support member (1-3) connected to the other end of the connection member (1-2);
one end of the pull rod (1-4) is connected with the supporting component (1-3), and the other end of the pull rod is connected with the tensile testing machine;
the connecting member includes:
one end of the first connecting plate (1-21) is connected with one end of the fixed seat (1-1), and the other end of the first connecting plate is connected with one end of the supporting component (1-3);
one end of the second connecting plate (1-22) is connected with the other end of the fixed seat (1-1), the other end of the second connecting plate is connected with the other end of the supporting component (1-3), the first connecting plate (1-21) and the second connecting plate (1-22) are symmetrical with the central line of the fixed seat (1-1), and a lifting point is fixed on the first connecting plate (1-21) and the second connecting plate (1-22) through bolts and gaskets;
the support member includes:
a cross beam (1-31) connected to the other end of the connecting member (1-2);
the socket joint mechanism includes:
the connecting sleeve (2-1) is used for connecting the plurality of hoisting point clamps (1) in series.
2. A hoisting point testing method implemented using the hoisting point testing apparatus of claim 1, comprising the steps of:
determining the number of the hoisting point clamps (1) according to the number of the hoisting points;
connecting a plurality of lifting point clamps (1) in series through connecting sleeves (2-1) of a sleeving mechanism (2);
connecting the hoisting point to the hoisting point clamp (1);
and connecting the lifting point clamp (1) with a tensile testing machine, and simulating the stress condition of the lifting point in a test state.
3. The testing method of claim 2, wherein the hoisting point clamp comprises:
the fixed seat (1-1) is connected with the sleeving connection mechanism (2);
one end of the connecting component (1-2) is connected with the fixed seat (1-1);
a support member (1-3) connected to the other end of the connection member (1-2);
and one end of the pull rod (1-4) is connected with the supporting part (1-3), and the other end of the pull rod is connected with the tensile testing machine.
4. The testing method of claim 3, wherein the connecting member comprises:
one end of the first connecting plate (1-21) is connected with one end of the fixed seat (1-1), and the other end of the first connecting plate is connected with one end of the supporting component (1-3);
one end of the second connecting plate (1-22) is connected with the other end of the fixed seat (1-1), the other end of the second connecting plate is connected with the other end of the supporting part (1-3), and the first connecting plate (1-21) and the second connecting plate (1-22) are symmetrical with the central line of the fixed seat (1-1).
5. The assay of claim 3, wherein the support member comprises:
and the cross beam (1-31) is connected with the other end of the connecting part (1-2).
6. The test method of claim 2, wherein the connecting the hoisting point clamp with the tensile testing machine, and the simulating the stress condition under the hoisting point test state comprises:
and determining the number of the hoisting point clamps (1) according to the stroke of the tensile testing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073889.1A CN106680077B (en) | 2016-11-29 | 2016-11-29 | Hoisting point test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073889.1A CN106680077B (en) | 2016-11-29 | 2016-11-29 | Hoisting point test device and method |
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| CN106680077A CN106680077A (en) | 2017-05-17 |
| CN106680077B true CN106680077B (en) | 2020-04-21 |
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| CN201611073889.1A Active CN106680077B (en) | 2016-11-29 | 2016-11-29 | Hoisting point test device and method |
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| CN203037516U (en) * | 2012-12-25 | 2013-07-03 | 清华大学 | Concrete uniaxial tension creep test auxiliary device |
| CN204255758U (en) * | 2014-11-14 | 2015-04-08 | 陕西飞机工业（集团）有限公司 | A kind of tandem bolt tension test fixture |
| CN204924803U (en) * | 2015-07-30 | 2015-12-30 | 中核检修有限公司 | Hoisting point is instrument for loading test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7591190B2 (en) * | 2006-02-27 | 2009-09-22 | American Fabricating, Llc | Test stand |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN85203327U (en) * | 1985-08-12 | 1986-06-18 | 浙江省计量测试技术研究所 | Suspending force-transmitting mechanism for balance |
| CN201075058Y (en) * | 2007-07-20 | 2008-06-18 | 北新集团建材股份有限公司 | Hanger tester |
| CN201433048Y (en) * | 2009-03-10 | 2010-03-31 | 江苏瑞晟自动化设备有限公司 | Gravity self-balancing device of workpiece hanger |
| CN102735535A (en) * | 2012-06-12 | 2012-10-17 | 沈阳盛远检测技术有限公司 | Serial force transmission mechanism used for high-temperature persistence and creep resistance testing machine |
| CN203037516U (en) * | 2012-12-25 | 2013-07-03 | 清华大学 | Concrete uniaxial tension creep test auxiliary device |
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| CN204924803U (en) * | 2015-07-30 | 2015-12-30 | 中核检修有限公司 | Hoisting point is instrument for loading test |
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| CN106680077A (en) | 2017-05-17 |
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