CN107884284B - Elevator material shear resistance detection equipment - Google Patents
Elevator material shear resistance detection equipment Download PDFInfo
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- CN107884284B CN107884284B CN201711051124.2A CN201711051124A CN107884284B CN 107884284 B CN107884284 B CN 107884284B CN 201711051124 A CN201711051124 A CN 201711051124A CN 107884284 B CN107884284 B CN 107884284B
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- arm
- clamping
- main bolt
- connecting groove
- bolt
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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
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing 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
- G01N3/04—Chucks
-
- 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
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
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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
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
-
- 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
- G01N2203/0405—Features allowing alignment between specimen and chucks
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- 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 provides elevator material shear resistance detection equipment which comprises a connecting arm, a fixed arm, a limiting piece, a mechanical arm, a rotary table and a main bolt, wherein the connecting arm is connected with the fixed arm through the rotary table, one side of the connecting arm is connected with the mechanical arm, the other side of the connecting arm is provided with a connecting groove, a positioning block group is arranged on the surface of the connecting groove, two sides of the connecting groove are connected with first bolts, the main bolt respectively penetrates through the fixed arm, the rotary table and the connecting arm, and one end of the main bolt is arranged inside the connecting groove; the locating part sets up the top at the fixed arm, the locating part includes the stopper of symmetry setting, stopper bilateral symmetry is equipped with the second bolt. The invention can achieve good positioning and deviation rectifying effects aiming at materials such as iron olives with different sizes, rigid bodies or rigid connection structures and the like, is convenient for real-time testing, can apply different testing forces by adopting a mechanical arm, obtains detailed test data effects and improves the testing accuracy.
Description
Technical Field
The invention relates to the field of elevator equipment detection, in particular to elevator material shear resistance detection equipment.
Background
In order to ensure the mechanical strength of the elevator in use, the shearing resistance of materials such as iron blocks, steel bars and the like needs to be checked; it is common to fix both lateral ends of a reinforcing bar sample and then apply a test force to the longitudinal ends of the reinforcing bar sample to check the shear resistance thereof. The shear resistance test clamp in the prior art has the problems that the test force is easy to deviate from the axial direction of a tensioned steel bar, and the test sample and the clamp are difficult to be ensured to be on the same axial line; the free end of the tensioned steel bar cannot slide along the axis direction, so that the offset of a steel bar sample cannot be corrected, the axis of test materials such as iron elements, rigid bodies or rigid connecting structures with different sizes cannot be well corrected, the fixing effect is poor, and the test sample is easy to offset to influence the test effect; the existing testing tools are operated manually, detailed data of the shearing resistance cannot be obtained, and the measuring effect is poor.
Disclosure of Invention
In view of this, the invention provides a positioning and deviation rectifying device which can achieve a good positioning and deviation rectifying effect for materials such as iron blocks, rigid bodies or rigid connection structures with different sizes, is convenient for real-time testing, and can apply different testing forces by adopting a mechanical arm to obtain a detailed test data effect and improve the testing accuracy.
The technical scheme of the invention is as follows: the elevator material shear resistance detection equipment comprises a connecting arm, a fixed arm, a limiting part, a mechanical arm, a rotary table and a main bolt, and is characterized in that the connecting arm is connected with the fixed arm through the rotary table, one side of the connecting arm is connected with the mechanical arm, the other side of the connecting arm is provided with a connecting groove, a positioning block group is arranged on the surface of the connecting groove, first bolts are connected to two sides of the connecting groove, the main bolt penetrates through the fixed arm, the rotary table and the connecting arm respectively, and one end of the main bolt is arranged inside the connecting groove; the locating part sets up the top at the fixed arm, the locating part includes the stopper of symmetry setting, stopper bilateral symmetry is equipped with the second bolt. The mechanical arm is driven by the cylinder, the force of the cylinder can be adjusted, the piston rod pushes the connecting arm to detect the shearing resistance of the tested sample, and the mechanical arm can be realized by any one of the prior art in the field. The connecting arm can realize relative displacement of a certain distance through the turntable and the fixing arm.
According to the invention, the test steel bar is placed in the connecting groove and the limiting part, is fixed through the main bolt, the first bolt and the second bolt, and is subjected to the test stress through the mechanical arm, so that the effective data of the shearing resistance of the tested sample can be obtained, and the test efficiency is improved.
Furthermore, the positioning block group comprises four first positioning blocks and second positioning blocks, wherein the four first positioning blocks are symmetrically arranged on the upper surface of the connecting groove, and the second positioning blocks are arranged on two sides of the surface of the connecting groove.
Furthermore, the limiting block comprises a body, the horizontal section of the body is an isosceles trapezoid with an arc-shaped bottom edge, symmetrically arranged clamping blocks extend integrally on the upper surface of the body, and clamping grooves are formed among the clamping blocks; the inner surface of the body is symmetrically provided with arc-shaped grooves. The reinforcing ribs of the steel bars can be embedded into the arc-shaped grooves for further fixation, and the reaction test effect is more real. The symmetrically arranged limiting pieces have two connection modes, including the matching connection between the clamping blocks and the clamping grooves, and the inner area formed by matching the limiting pieces is an installation area; the clamping blocks are connected with the clamping blocks in a matched mode, and the clamping groove area between the limiting parts is the installation area.
Furthermore, a reinforcing thread groove is formed in the fixing arm, and the reinforcing thread groove is connected with the main bolt. The fixing support of the main bolt can be increased at this time.
Furthermore, the fixed arm surface is equipped with the spout, stopper lower part with spout sliding connection. Through this kind of mode, the position between the adjustable stopper, rethread second bolt is consolidated.
Furthermore, the tail end of the main bolt is provided with a first clamping and abutting part, and the surface of the bottom of the first clamp is fixedly connected with a first elastic rubber layer. Can fix the tested sample entering the connecting groove
Furthermore, a second clamping and abutting part is arranged at the tail end of the first bolt, and a second elastic rubber layer is fixedly connected to the surface of the bottom of the second clamp. Through the effect of the main bolt, the clamping part of the first bolt and the elastic rubber layer, the tested sample entering the connecting groove can be effectively fixed.
According to the invention, for steel bars with larger diameters, the steel bars are placed in an area formed inside a limiting block after a clamping block of the limiting block abuts against a clamping groove; for steel bars with smaller diameters, the steel bars can be placed in the area of the clamping groove after the clamping block of the limiting block abuts against the clamping block, and the axis is corrected and fixed; the device is suitable for materials of iron blocks, rigid bodies or rigid connecting structures and the like with different sizes, and positioning and deviation rectification are achieved.
The invention can achieve good positioning and deviation rectifying effects aiming at materials such as iron olives with different sizes, rigid bodies or rigid connection structures and the like, is convenient for real-time testing, can apply different testing forces by adopting a mechanical arm, obtains detailed test data effects and improves the testing accuracy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a partial schematic view of the present invention;
FIG. 4 is a partial structural view of the present invention
Fig. 5 is a partial structural schematic diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
An elevator material shear resistance detection device comprises a connecting arm 4, a fixed arm 1, a limiting part 2, a mechanical arm 5, a rotary table 3 and a main bolt 12, and is characterized in that the connecting arm is connected with the fixed arm through the rotary table, one side of the connecting arm is connected with the mechanical arm, the other side of the connecting arm is provided with a connecting groove 41, the surface of the connecting groove is provided with a positioning block group, two sides of the connecting groove are connected with a first bolt 413, the main bolt respectively penetrates through the fixed arm, the rotary table and the connecting arm, and one end of the main bolt is arranged inside the connecting groove; the locating part sets up the top at the fixed arm, locating part 2 includes the stopper 22 of symmetry setting, stopper bilateral symmetry is equipped with second bolt 21. The mechanical arm 5 is driven by a cylinder, the force of the cylinder can be adjusted, the piston rod 51 pushes the connecting arm to detect the shearing resistance of the tested sample, and the mechanical arm can be realized by any one of the prior art in the field. The connecting arm can realize relative displacement of a certain distance through the turntable and the fixing arm.
According to the invention, the test steel bar is placed in the connecting groove and the limiting part, is fixed through the main bolt, the first bolt and the second bolt, and is subjected to the test stress through the mechanical arm, so that the effective data of the shearing resistance of the tested sample can be obtained, and the test efficiency is improved.
Further, the positioning block set includes four first positioning blocks 411 symmetrically disposed on the upper surface of the connecting groove, and second positioning blocks 412 disposed on two sides of the connecting groove surface. The first positioning block is mainly used for fixing a small-diameter steel bar by matching with a main bolt; for the billet of major diameter, the combined action of accessible first locating piece, second locating piece, kingbolt is fixed.
Further, the limiting block comprises a body 22, the horizontal section of the body is an isosceles trapezoid with an arc-shaped bottom edge, symmetrically-arranged clamping blocks 23 extend integrally on the upper surface of the body, and clamping grooves 24 are formed between the clamping blocks; the inner surface of the body is symmetrically provided with arc-shaped grooves 25. The middle area of the body is provided with a through hole 26 which penetrates through the body and is connected with the second bolt in a matching mode. The symmetrically arranged limiting pieces have two connection modes, including the matching connection between the clamping blocks and the clamping grooves, and the inner area formed by matching the limiting pieces is an installation area; the clamping blocks are connected with the clamping blocks in a matched mode, and the clamping groove area between the limiting parts is the installation area.
Furthermore, a reinforcing thread groove 11 is arranged inside the fixing arm, and the reinforcing thread groove is connected with the main bolt 12. The fixing support of the main bolt can be increased at this time.
Furthermore, the fixed arm surface is equipped with spout 13, stopper lower part with spout sliding connection. Through this kind of mode, the position between the adjustable stopper, rethread second bolt is consolidated.
Further, a first clamping and abutting part 121 is arranged at the tail end of the main bolt, and a first elastic rubber layer 122 is fixedly connected to the surface of the bottom of the first clamp. Can fix the tested sample entering the connecting groove
Further, a second clamping part 4131 is arranged at the tail end of the first bolt, and a second elastic rubber layer 4132 is fixedly connected to the surface of the bottom of the second clamp. Through the effect of the main bolt, the clamping part of the first bolt and the elastic rubber layer, the tested sample entering the connecting groove can be effectively fixed.
According to the invention, for steel bars with larger diameters, the steel bars are placed in an area formed inside a limiting block after a clamping block of the limiting block abuts against a clamping groove; for steel bars with smaller diameters, the steel bars can be placed in the area of the clamping groove after the clamping block of the limiting block abuts against the clamping block, and the axis is corrected and fixed; the device is suitable for materials of iron blocks, rigid bodies or rigid connecting structures and the like with different sizes, and positioning and deviation rectification are achieved.
The invention can achieve good positioning and deviation rectifying effects aiming at materials such as iron olives with different sizes, rigid bodies or rigid connection structures and the like, is convenient for real-time testing, can apply different testing forces by adopting a mechanical arm, obtains detailed test data effects and improves the testing accuracy.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.
Claims (1)
1. The elevator material shear resistance detection equipment comprises a connecting arm, a fixed arm, a limiting part, a mechanical arm, a rotary table and a main bolt, and is characterized in that the connecting arm is connected with the fixed arm through the rotary table, one side of the connecting arm is connected with the mechanical arm, the other side of the connecting arm is provided with a connecting groove, a positioning block group is arranged on the surface of the connecting groove, first bolts are connected to two sides of the connecting groove, the main bolt penetrates through the fixed arm, the rotary table and the connecting arm respectively, and one end of the main bolt is arranged inside the connecting groove; the limiting piece is arranged above the fixed arm and comprises limiting pieces which are symmetrically arranged, and second bolts are symmetrically arranged on two sides of each limiting piece;
the mechanical arm is driven by the cylinder, the force of the cylinder is adjusted, the connecting arm is pushed by the piston rod to detect the shearing resistance of the sample to be tested, and the connecting arm realizes relative displacement at a certain distance through the turntable and the fixed arm;
the positioning block group comprises four first positioning blocks symmetrically arranged on the upper surface of the connecting groove and second positioning blocks positioned on two sides of the surface of the connecting groove; the first positioning block is mainly used for fixing a small-diameter steel bar by matching with a main bolt; fixing the large-diameter steel bar through the combined action of the first positioning block, the second positioning block and the main bolt;
the limiting block comprises a body, the horizontal section of the body is an isosceles trapezoid with an arc-shaped bottom edge, symmetrically arranged clamping blocks extend integrally on the upper surface of the body, and clamping grooves are formed among the clamping blocks; arc-shaped grooves are symmetrically formed in the inner surface of the body; a through hole penetrating through the body is formed in the middle area of the body and is connected with the second bolt in a matching mode; the symmetrically arranged limiting pieces have two connection modes, including the matching connection between the clamping blocks and the clamping grooves and the matching connection between the clamping blocks and the clamping blocks;
a reinforcing thread groove is formed in the fixing arm and connected with the main bolt, and at the moment, the fixing support of the main bolt can be increased;
the surface of the fixed arm is provided with a sliding groove, and the lower part of the limiting block is connected with the sliding groove in a sliding manner;
the tail end of the main bolt is provided with a first clamping and abutting part, and the surface of the bottom of the first card is fixedly connected with a first elastic rubber layer to fix a sample to be tested entering a connecting groove;
the tail end of the first bolt is provided with a second clamping and abutting part, the surface of the bottom of the second card is fixedly connected with a second elastic rubber layer, and a tested sample entering the connecting groove is effectively fixed under the action of the main bolt, the clamping and abutting part of the first bolt and the elastic rubber layer;
for steel bars with larger diameters, the steel bars are placed in an area formed inside a clamping block of the limiting block and the clamping groove; for a steel bar with a smaller diameter, the steel bar can be placed in an internal forming area after a clamping block of the limiting block abuts against the clamping block, and the axis is corrected and fixed; the device is suitable for iron blocks with different sizes, rigid bodies or rigid connecting structures, and positioning and deviation rectifying are achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711051124.2A CN107884284B (en) | 2018-01-18 | 2018-01-18 | Elevator material shear resistance detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711051124.2A CN107884284B (en) | 2018-01-18 | 2018-01-18 | Elevator material shear resistance detection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107884284A CN107884284A (en) | 2018-04-06 |
| CN107884284B true CN107884284B (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711051124.2A Active CN107884284B (en) | 2018-01-18 | 2018-01-18 | Elevator material shear resistance detection equipment |
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| Country | Link |
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| CN (1) | CN107884284B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672408B (en) * | 2019-10-15 | 2022-03-15 | 常州达姆斯检测技术有限公司 | Automatic hydraulic clamp for measuring shear strength |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1335858A (en) * | 1970-06-09 | 1973-10-31 | Ernst A | Method for determining the force required to shear a bar and for testing hardness using the bar |
| CN2158559Y (en) * | 1993-05-07 | 1994-03-09 | 绵阳市建设工程总公司 | Clamping device for testing use |
| CN2669173Y (en) * | 2003-12-10 | 2005-01-05 | 同济大学 | Concrete-bar welding-net soldered-dot shearing-test clamp |
| CN202008445U (en) * | 2011-03-11 | 2011-10-12 | 北京邢钢焊网科技发展有限责任公司 | Clamp for testing nodes of net welded by steel reinforcing ribs |
| CN203561549U (en) * | 2013-10-28 | 2014-04-23 | 安徽省建筑工程质量监督检测站 | Shearing resistance testing clamp |
| CN104880365A (en) * | 2015-07-01 | 2015-09-02 | 中冶建工集团有限公司 | Reinforcing-steel-bar shearing resistance testing clamp |
| CN206479417U (en) * | 2017-02-28 | 2017-09-08 | 王晖 | A kind of architectural engineering reinforced steel bar strength detector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203432846U (en) * | 2013-09-13 | 2014-02-12 | 葛洲坝集团试验检测有限公司 | Stretching device for steel fiber tensile strength test |
| CN205910059U (en) * | 2016-08-06 | 2017-01-25 | 江阴市华硕机械制造有限公司 | Wire rope anchor clamps |
-
2018
- 2018-01-18 CN CN201711051124.2A patent/CN107884284B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1335858A (en) * | 1970-06-09 | 1973-10-31 | Ernst A | Method for determining the force required to shear a bar and for testing hardness using the bar |
| CN2158559Y (en) * | 1993-05-07 | 1994-03-09 | 绵阳市建设工程总公司 | Clamping device for testing use |
| CN2669173Y (en) * | 2003-12-10 | 2005-01-05 | 同济大学 | Concrete-bar welding-net soldered-dot shearing-test clamp |
| CN202008445U (en) * | 2011-03-11 | 2011-10-12 | 北京邢钢焊网科技发展有限责任公司 | Clamp for testing nodes of net welded by steel reinforcing ribs |
| CN203561549U (en) * | 2013-10-28 | 2014-04-23 | 安徽省建筑工程质量监督检测站 | Shearing resistance testing clamp |
| CN104880365A (en) * | 2015-07-01 | 2015-09-02 | 中冶建工集团有限公司 | Reinforcing-steel-bar shearing resistance testing clamp |
| CN206479417U (en) * | 2017-02-28 | 2017-09-08 | 王晖 | A kind of architectural engineering reinforced steel bar strength detector |
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| Publication number | Publication date |
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| CN107884284A (en) | 2018-04-06 |
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