CN201488696U - Hoisting hook torsional deformation detection device - Google Patents
Hoisting hook torsional deformation detection device Download PDFInfo
- Publication number
- CN201488696U CN201488696U CN2009201754922U CN200920175492U CN201488696U CN 201488696 U CN201488696 U CN 201488696U CN 2009201754922 U CN2009201754922 U CN 2009201754922U CN 200920175492 U CN200920175492 U CN 200920175492U CN 201488696 U CN201488696 U CN 201488696U
- Authority
- CN
- China
- Prior art keywords
- hook
- benchmark
- housing
- suspension hook
- anchor clamps
- 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 - Lifetime
Links
Images
Abstract
The utility model provides a hoisting hook torsional deformation detection device, which consists of a clamp, a reference hook frame and a sliding measurement frame, wherein the reference hook frame is designed into a shape of a molded center line of a to-be-detected hoisting hook, and the sliding measurement frame slides along the reference hook frame to measure the actual center line. The hosting hook torsional deformation detection device is convenient and fast in measuring process without extra interruption, obtains quantitative and objective detected results, and is simple in manufacturing and adaptable to detection of various hoisting hooks.
Description
Technical field
The utility model relates to a kind of torsional deformation of hoisting hook pick-up unit, and particularly on-the-spot online fast quantification pick-up unit belongs to special equipment inspection field.
Background technology
Hoisting machinery belongs to special equipment, and for guaranteeing its safe operation, national regulation must carry out periodic inspection to hoisting machinery.Suspension hook is the hoisting machinery critical piece, plays connection hoisting machinery and weight, and therefore, the regular safety inspection of suspension hook is the key that guarantees the hoisting machinery safe handling.In suspension hook safety inspection national technical standard, clearly stipulate, forbid the torsional deflection of suspension hook hook body above 10 °.
At present, the suspension hook torsional deflection detects two kinds of methods commonly used, i.e. range estimation and method of scoring.Range estimation be the testing staff by visual inspection, probably estimate windup-degree by rule of thumb, be difficult to accurately to provide the suspension hook deformation angle and judge whether standard of deformation angle above 10 °.And range estimation detects and has very big contingency and inaccuracy, and repeatability is relatively poor.It is to disassemble from hoisting machinery suspension hook is whole that method of scoring detects, be placed on the horizontal stand, with vertical score chi and adjustment cushion block horizontal centering suspension hook hook body center line (being theoretical centerline), measure the intersection point of suspension hook bill center line and hook body center line, do vertical line from the bill central point to suspension hook hook body center line, measure the distance of intersection point to intersection point, mapping calculates torsion angle then.Though this method is accurate, on-the-spot difficult the realization needs horizontal stand and some special measuring tools, complicated operation, and cost is big, and is consuming time many, and needs to shut down, and influences the ordinary production of enterprise.Therefore, in order to solve the problems of the technologies described above, the utility model provides a kind of suitable testing staff the convenient pick-up unit that detects the suspension hook distortion rapidly and accurately.
Summary of the invention
The purpose of this utility model provides a kind of pick-up unit that can on-the-spot online quantitative measurment torsional deformation of hoisting hook, and this device is easy and simple to handle, than ocular estimate accurately and reliably, is suitable for than method of scoring.
The utility model is based on following principle; Because suspension hook reverses the degree that is meant suspension hook actual center line deviation theory center line, the torsional deflection amount is that theoretical centerline with suspension hook is a detection reference, and therefore, the benchmark hook housing is pressed suspension hook theoretical centerline shaped design.The suspension hook actual center line then is to measure two sides profile center line deviation theory center line displacement by the slip measurement bay, and match obtains then.Actual center line and theoretical centerline compare, and their angle is the torsional deflection angle of suspension hook to be measured.
Torsional deformation of hoisting hook pick-up unit of the present utility model is made up of anchor clamps, benchmark hook housing and slip measurement bay, is welded with positioning pointer on the benchmark hook housing, the benchmark hook housing is clamped and is positioned at the neck of hook portion of suspension hook to be measured by anchor clamps and positioning pointer.The part of anchor clamps clamping benchmark hook housing is a square hole, and anchor clamps are fixed on the benchmark hook housing on the suspension hook to be measured by bolt, and the slip measurement bay rolls with the benchmark hook housing and is connected.
The square stiff end of benchmark hook housing cooperates with the square hole of anchor clamps, and by being bolted on the suspension hook to be measured, the needle point of positioning pointer contacts with suspension hook to be measured, with anchor clamps and the definite jointly benchmark that detects of the suspension hook neck of hook.Butterfly chute on the benchmark hook housing supports the slip measurement bay, and it is stably slided in chute.
The slip measurement bay is made up of segmental support, cylinder web member, slide rule, holddown spring, pedestal and roller, slide rule one end passes the support slot of segmental support, the other end is welded on the pedestal, holddown spring is enclosed within on the slide rule, the end welding that contacts with pedestal is fixing, the other end moves about, and the axle external part of roller is welded on the pedestal, and the elastic force of holddown spring makes roller be close to suspension hook outline to be measured and slip.
Segmental support rolls by the biserial ball with the benchmark hook housing and is connected, ball rolls in by the formed raceway of butterfly chute on groove on the cylinder web member and the benchmark hook housing, ball is installed in the cylinder web member by screw, and the cylinder web member is welded in the middle of the segmental support of symmetry.
Though the actual size difference of suspension hook to be measured, structure and shape are basic identical, therefore, the benchmark hook housing are designed to be of similar shape and curvature with the suspension hook theoretical centerline.The Cross section Design of benchmark hook housing and the suspension hook neck of hook to be measured coupling part is a square, makes it good to neutrality, the accurate positioning height.The Cross section Design of benchmark hook housing and slip measurement bay coupling part is a butterfly, and the symmetrical grooves in butterfly cross section cooperates with ball on the slip measurement bay, realizes that measurement bay slides flexibly along hook housing to measure.The benchmark hook housing is installed accuracy by positioning pointer and anchor clamps common guarantee, and the serial suspension hook of different size, benchmark hook housing are made corresponding serial size.Anchor clamps one end clamps the benchmark hook housing, and this part is a square hole, and is the same to different series suspension hook square hole size.The anchor clamps other end clamps the suspension hook neck of hook to be measured, and this part is a circular hole, and circular hole only need add the adjustment pad when measuring the different size suspension hook, and need not to change anchor clamps by the full-size design that detects suspension hook.
The segmental support of symmetrical structure rolls by the cylinder web member with the benchmark hook housing and is connected, and plays a part to support the slip measurement bay.Form hold down gag by holddown spring, pedestal and roller, holddown spring is installed between pedestal and the segmental support, holddown spring is close on the suspension hook contoured surface center line it by compression pedestal pinch rollers, and roller all is in compression but slidably in the state in whole testing process.Form reading device by the slide rule that is carved with reading, slide rule one end and pedestal are connected, and the other end passes the support slot of segmental support, do telescopic slide with the holddown spring distortion.A nested structure and identical hold down gag of size and reading device respectively are equipped with in the segmental support both ends, when suspension hook to be measured has torsional deflection, two covers compress the device holddown spring and have different compressions or elongation, slide rule reading with the holddown spring distortion also can change accordingly, output suspension hook distortion side-play amount.
Because facing about its center, suspension hook contoured surface to be measured claims, central plane or contoured surface center line also can reverse thereupon when occurring reversing, therefore, and when pick-up unit slides on suspension hook profile center line, the formed curve of measurement point is promptly represented real profile face center line.
When suspension hook does not twist distortion, the elastic force equal and opposite in direction of both sides holddown spring, direction is opposite, and the reading of both sides slide rule is identical; When suspension hook twists when distortion, a side compression length of spring compressed and the opposite side elongation causes the both sides slide rule to produce different displacements indicates the side-play amount that torsional deflection produces, and writes down this side-play amount, draws suspension hook torsional deflection angle by correlation computations.
The utlity model has following advantage:
1, can detection by quantitative, solved ocular estimate measure can not be quantitatively, need the problem of detection experience;
2, can quick online detection, having solved method of scoring needs to shut down, and the problem of dismounting suspension hook;
3, easy to operate, simple in structure, easy to manufacture.
Whole measuring process needs 3～5 minutes approximately, need not extra shutdown, online detection by quantitative.This apparatus structure is simple, and the processing and fabricating cost is cheap, and detecting operation is fast convenient, and measurement result is accurately objective.
When the utility model device uses at the scene, directly the benchmark hook housing is clamped and is positioned at the suspension hook neck of hook to be measured portion, operation slip measurement bay slides along the benchmark hook housing, record reading device slide rule is at the reading of suspension hook side profile center line, simulate actual center line then, can calculate suspension hook torsional deflection angle.
Description of drawings
Fig. 1 is a torsional deformation of hoisting hook pick-up unit scheme of installation.
Fig. 2 is a torsional deformation of hoisting hook pick-up unit structural representation.
Fig. 3 is the clamp structure synoptic diagram.
Fig. 4 is that the benchmark hook housing is formed and structural representation.
Fig. 5 is a slip measurement bay structural representation.
Fig. 6 is benchmark hook housing and slip measurement bay syndeton synoptic diagram.
Description of reference numerals is as follows:
1. suspension hook to be measured
2. torsional deformation of hoisting hook pick-up unit
3. anchor clamps
4. benchmark hook housing
5. slip measurement bay
6. bolt
7. square fixed end
8. positioning pointer
9. butterfly chute
10. segmental support
11. slide rule
12. holddown spring
13. pedestal
14. roller
15. ball
16. screw
17. cylinder web member
Embodiment
Below in conjunction with accompanying drawing torsional deformation of hoisting hook pick-up unit of the present utility model is done and to be illustrated in greater detail.
Fig. 1 is the installation site synoptic diagram of suspension hook 1 to be measured and torsional deformation of hoisting hook pick-up unit 2 (hereinafter to be referred as pick-up unit).
Referring to Fig. 2, pick-up unit 2 is made up of anchor clamps 3, benchmark hook housing 4 and slip measurement bay 5, be welded with positioning pointer 8 on the benchmark hook housing 4, by anchor clamps 3 and positioning pointer 8 benchmark hook housing 4 clamped and be positioned at the neck of hook portion of suspension hook 1 to be measured, to determine to detect the theoretical centerline benchmark that needs.Slip measurement bay 5 rolls with benchmark hook housing 4 and is connected.
Referring to Fig. 3, the part of anchor clamps 3 clamping benchmark hook housings 4 is a square hole, and anchor clamps 3 are fixed on benchmark hook housing 4 on the suspension hook 1 to be measured by bolt 6.
Referring to Fig. 4, the square stiff end 7 of benchmark hook housing 4 cooperates with the square hole of anchor clamps 3, is fixed on the suspension hook 1 to be measured by bolt 6.Positioning pointer 8 is welded on the benchmark hook housing 4, and its needle point contacts with suspension hook 1 to be measured, with anchor clamps 3 and the definite jointly benchmark that detects of the suspension hook neck of hook.Butterfly chute 9 on the benchmark hook housing 4 supports slip measurement bay 5, and it is stably slided in chute.
Referring to Fig. 5, slip measurement bay 5 is made up of segmental support 10, slide rule 11, holddown spring 12, pedestal 13 and roller 14, and slide rule 11 1 ends pass the support slot of segmental support 10, and the other end is welded on the pedestal 13.Holddown spring 12 is enclosed within on the slide rule 11, and the end welding that contacts with pedestal 13 is fixing, and the other end moves about.The axle external part of roller 14 is welded on the pedestal 13, and the elastic force of holddown spring 12 makes roller 14 be close to suspension hook 1 outline to be measured and slip.When reversing, holddown spring 12 produces distortion, and slide rule 11 is telescopic slide in the support slot of segmental support 10 thereupon.
Referring to Fig. 6, segmental support 10 rolls by biserial ball 15 with benchmark hook housing 4 and is connected, and ball 15 rolls in by the 9 formed raceways of the butterfly chute on groove on the cylinder web member 17 and the benchmark hook housing 4.Ball 15 is installed in the cylinder web member 17 by screw 16, and cylinder web member 17 is welded in the middle of the segmental support 10 of symmetry.When ball 15 serious wear, backing out screw 16 is replaceable ball.
The method that detects with device of the present utility model is as follows: when pick-up unit work began, the slip measurement bay was in the initial measurement point of demarcation of benchmark hook housing, and regulate holddown spring this moment, and the reading of both sides slide rule is equated.During measurement, mobile slip measurement bay is the point from starting point to bill successively, the reading of journal both sides slide rule when each measurement point.Because facing about its center, suspension hook contoured surface to be measured claims, central plane or contoured surface center line also can reverse thereupon when occurring reversing, therefore, and when pick-up unit slides on suspension hook profile center line, the formed curve of measurement point is promptly represented real profile face center line.When suspension hook does not twist distortion, the elastic force equal and opposite in direction of both sides holddown spring, direction is opposite, makes that the reading of both sides slide rule is identical; When suspension hook twists when distortion, a side compression length of spring compressed and the opposite side elongation causes the both sides slide rule to produce different displacements indicates the side-play amount that torsional deflection produces, and record shift quantity draws suspension hook torsional deflection angle by correlation computations.This process can be finished by coordinate paper tracing or computer programming method.
Although with instantiation torsional deformation of hoisting hook pick-up unit of the present utility model was illustrated in conjunction with the accompanying drawings already; it will be understood by those skilled in the art that; disclosed concrete scheme is illustrative; rather than it is determinate; under the prerequisite of principle disclosed and design without prejudice to the utility model; can carry out various changes and distortion to such scheme, such change all belongs to the claimed scope of the utility model that limits in claims.
Claims (5)
1. a torsional deformation of hoisting hook pick-up unit (2), form by anchor clamps (3), benchmark hook housing (4) and slip measurement bay (5), be welded with positioning pointer (8) on the benchmark hook housing (4), benchmark hook housing (4) is clamped and is positioned at the neck of hook portion of suspension hook to be measured (1) by anchor clamps (3) and positioning pointer (8), the part of anchor clamps (3) clamping benchmark hook housings (4) is a square hole, anchor clamps (3) are fixed on benchmark hook housing (4) on the suspension hook to be measured (1) by bolt (6), and slip measurement bay (5) rolls with benchmark hook housing (4) and is connected.
2. torsional deformation of hoisting hook pick-up unit as claimed in claim 1, the square stiff end (7) that it is characterized in that benchmark hook housing (4) cooperates with the square hole of anchor clamps (3), be fixed on the suspension hook to be measured (1) by bolt (6), the needle point of positioning pointer (8) contacts with suspension hook to be measured (1), with anchor clamps (3) and the definite jointly benchmark that detects of the suspension hook neck of hook.
3. as the torsional deformation of hoisting hook pick-up unit of claim 1 or 2, it is characterized in that the butterfly chute (9) on the benchmark hook housing (4) supports slip measurement bay (5), and it is stably slided in chute.
4. as the torsional deformation of hoisting hook pick-up unit of claim 1 or 2, it is characterized in that sliding measurement bay (5) by segmental support (10), cylinder web member (17), slide rule (11), holddown spring (12), pedestal (13) and roller (14) are formed, slide rule (11) one ends pass the support slot of segmental support (10), the other end is welded on the pedestal (13), holddown spring (12) is enclosed within on the slide rule (11), the end welding that contacts with pedestal (13) is fixing, the other end moves about, the axle external part of roller (14) is welded on the pedestal (13), and the elastic force of holddown spring (12) makes roller (14) be close to suspension hook to be measured (1) outline and slip.
5. as the torsional deformation of hoisting hook pick-up unit of claim 1 or 2, it is characterized in that segmental support (10) is connected by biserial ball (15) rolling with benchmark hook housing (4), ball (15) rolls in by the formed raceway of butterfly chute (9) on groove on the cylinder web member (17) and the benchmark hook housing (4), ball (15) is installed in the cylinder web member (17) by screw (16), and cylinder web member (17) is welded in the middle of the segmental support (10) of symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201754922U CN201488696U (en) | 2009-08-26 | 2009-08-26 | Hoisting hook torsional deformation detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201754922U CN201488696U (en) | 2009-08-26 | 2009-08-26 | Hoisting hook torsional deformation detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201488696U true CN201488696U (en) | 2010-05-26 |
Family
ID=42427571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201754922U Expired - Lifetime CN201488696U (en) | 2009-08-26 | 2009-08-26 | Hoisting hook torsional deformation detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201488696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634543B (en) * | 2009-08-26 | 2011-01-05 | 三峡大学 | Detection device and detection method of torsional deformation of hoisting hook |
-
2009
- 2009-08-26 CN CN2009201754922U patent/CN201488696U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634543B (en) * | 2009-08-26 | 2011-01-05 | 三峡大学 | Detection device and detection method of torsional deformation of hoisting hook |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101634543B (en) | Detection device and detection method of torsional deformation of hoisting hook | |
| CN203965259U (en) | An a kind of roll-type bend testing apparatus | |
| CN202661028U (en) | Detection device for detecting concentricity and flatness of products | |
| CN205279911U (en) | Instrument that blade tenon detected | |
| CN204064171U (en) | Special-shaped internal channel width measuring instrument | |
| CN105136453B (en) | A kind of transmission selector fork strength test system | |
| CN101709945A (en) | Cylindricity tolerance on-site detecting device for plunger part and detecting method thereof | |
| CN202074906U (en) | Measuring device for measuring large end of taper hole | |
| CN203323686U (en) | Detecting tool for symmetry degree of crankshaft keyway | |
| CN201247031Y (en) | End-face annular and trapezoid slots detection measuring tool | |
| CN201488696U (en) | Hoisting hook torsional deformation detection device | |
| CN105675406A (en) | High-temperature bending detection method of metal material | |
| CN202762740U (en) | A comprehensive detection device for rolled plates | |
| CN209485229U (en) | A kind of internal spline distance over bar measurement cubing | |
| CN202648606U (en) | Straightness measuring device for washing machine control panel | |
| CN203550937U (en) | Large-size meter-provided right angle verticality measurement gauge | |
| CN106017276A (en) | Crankshaft center distance detecting tool | |
| CN109127779A (en) | The detection device and straightener of bands for band | |
| CN105091863A (en) | Levelness detector for bore and detection method therefor | |
| CN203785612U (en) | Straightening roller deflection measurement device | |
| CN102141393B (en) | Method for detecting deviation of shaft-like part from reference gravity center line on basis of gas suspension and three-dimensional coordinate and gas suspension device | |
| CN202119379U (en) | Inspecting device of symmetry of key groove | |
| CN102494596B (en) | Testing fixture for symmetry degree of crankshaft keyway | |
| CN212903134U (en) | Improved structure of instrument for measuring curvature radius | |
| CN206891361U (en) | A kind of cylinder linearity testing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100526 Effective date of abandoning: 20090826 |