CN220170120U - Lifting hook opening degree measuring device - Google Patents
Lifting hook opening degree measuring device Download PDFInfo
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- CN220170120U CN220170120U CN202321660125.8U CN202321660125U CN220170120U CN 220170120 U CN220170120 U CN 220170120U CN 202321660125 U CN202321660125 U CN 202321660125U CN 220170120 U CN220170120 U CN 220170120U
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- hook opening
- lifting hook
- pull rod
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- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 10
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model belongs to the technical field of hook opening measurement, and provides a hook opening degree measuring device, which comprises: the measuring ruler is characterized in that a handle is fixedly arranged on one side of the measuring ruler, a T-shaped groove is formed in the top end of the measuring ruler, two T-shaped blocks are movably arranged in the T-shaped groove, and measuring strips are movably arranged on one sides of the two T-shaped blocks; according to the utility model, the two T-shaped blocks capable of moving in opposite directions and in opposite directions are arranged in the measuring ruler, the measuring strips are movably connected with the T-shaped blocks, the distance between the two measuring strips is changed during measurement, the two measuring strips are attached to the inner wall of the lifting hook opening, the numerical value on the scale strip is read, whether the length of the lifting hook opening is changed from the length of the lifting hook opening is measured, and whether the lifting hook can be continuously used is judged by referring to the related national standard.
Description
Technical Field
The utility model belongs to the technical field of hook opening measurement, and particularly relates to a hook opening degree measuring device.
Background
The lifting hook is a main part of a lifting machine, has the characteristics of high strength, complex structure and alternating load bearing, is extremely easy to cause major accidents once damaged, is based on full investigation of various links such as lifting hook manufacture, use, inspection and detection, when the opening degree of the lifting hook is too large, hidden danger of broken due to unhooking of a steel cable and stress concentration exists, and when the opening degree of the lifting hook is too small, the steel cable is influenced to be sleeved into the lifting hook, wherein the lifting hook measurement comprises opening length measurement and abrasion measurement, and whether the lifting hook is scrapped or not is judged according to relevant national standards by comparing actually measured data with factory data.
Through the search, the patent with the publication number of CN201218711Y discloses a tool for measuring the opening degree of a lifting hook and the thickness of a dangerous section, which comprises two rulers with scales, wherein the two rulers comprise a horizontal ruler and a vertical ruler, one ends of the two rulers are connected together at right angles, the tool also comprises a movable caliper, the movable caliper is movably fixed on the horizontal ruler through a connecting piece, and the two sides of the connecting piece are respectively provided with reading scale marks of the inner diameter and the outer diameter of the lifting hook.
The above patent suffers from the following disadvantages: this patent leads to occupation space great owing to structure specificity, goes out to carry inconvenient, is the right angle between vertical ruler and removal slide caliper rule and the horizontal ruler, can occupy too much space also inconvenient taking out and depositing in putting into the saddlebag inside.
Disclosure of Invention
The utility model aims to provide a lifting hook opening degree measuring device which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a hook opening measuring device comprising:
the measuring ruler is characterized in that a handle is fixedly arranged on one side of the measuring ruler, a T-shaped groove is formed in the top end of the measuring ruler, two T-shaped blocks are movably arranged in the T-shaped groove, and measuring strips are movably arranged on one sides of the two T-shaped blocks;
the folding structure is arranged on one side of each T-shaped block, the folding structure comprises a fixing plate and a pull rod which is movably arranged in the fixing plate, two locating holes are formed in the top ends of the T-shaped blocks, and the included angles of extension lines of the locating holes to the central points of the T-shaped blocks are right angles.
Preferably, the inside threaded rod that has through bearing movable mounting of T-shaped groove, the threaded rod outside is installed two T shape pieces through the screw thread spin, two T shape piece and the inside laminating of sliding of T-shaped groove, two T shape piece internal thread is opposite.
Preferably, the two T-shaped block tops are provided with rotating shafts through bearings movably, one side of each rotating shaft is fixedly provided with a measuring strip, one side, far away from the handle, of each measuring ruler top is provided with a scale strip, one side, close to the threaded rod, of each measuring ruler outside is provided with a knob through bearings movably, and the knob is connected with the shaft of the threaded rod in a transmission mode.
Preferably, the fixed plate is fixedly arranged on one side, away from the measuring strip, of the rotating shaft, the pull rod is movably arranged in the fixed plate through the opening, the pull rod is in sliding fit with the inside of the fixed plate, one end, close to the T-shaped block, of the pull rod extends into the inside of the positioning hole, and the pull rod is in sliding fit with the inner wall of the positioning hole.
Preferably, a baffle is fixedly arranged on one side of the pull rod, which is close to the T-shaped block, a spring is fixedly connected between the baffle and the fixed plate, and the spring is arranged on the outer side of the pull rod.
Preferably, the scale bar is arranged on one side of the measuring ruler close to the T-shaped groove, and numerical values are marked on the scale bar.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the two T-shaped blocks capable of moving in opposite directions and in opposite directions are arranged in the measuring ruler, the measuring strips are movably connected with the T-shaped blocks, the distance between the two measuring strips is changed during measurement, the two measuring strips are attached to the inner wall of the lifting hook opening, the numerical value on the scale strip is read, whether the length of the lifting hook opening is changed from the length of the lifting hook opening is measured, and whether the lifting hook can be continuously used is judged by referring to the related national standard.
(2) According to the utility model, the rotating shaft is movably arranged on the T-shaped block, the angle of the measuring strip can be changed by rotating the rotating shaft, and the stable switching between the measuring strip and the measuring ruler from the vertical state to the parallel state can be realized by matching the pull rod with the positioning hole, so that the storage and folding can be realized while the accurate measurement is realized, the space utilization rate is improved, and the whole device is convenient to take and place.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of the utility model at A;
FIG. 3 is a schematic illustration of a side elevation exploded construction of the measuring scale of the present utility model;
FIG. 4 is a schematic view of the T-block top end of the present utility model;
FIG. 5 is an enlarged schematic view of the structure of the present utility model at B;
FIG. 6 is a schematic view of the structure of the present utility model as measured at the hook opening;
FIG. 7 is a schematic view of the measuring strip of the present utility model when folded.
In the figure: 1. a measuring ruler; 11. a handle; 12. a T-shaped groove; 13. a threaded rod; 14. a T-shaped block; 15. a rotating shaft; 16. a measuring strip; 17. a scale bar; 18. a knob; 2. a folding structure; 21. positioning holes; 22. a fixing plate; 23. a pull rod; 24. a baffle; 25. and (3) a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1-4, a hook opening measuring device includes:
the measuring ruler 1, one side of the measuring ruler 1 is fixedly provided with a handle 11, the top end of the measuring ruler 1 is provided with a T-shaped groove 12, two T-shaped blocks 14 are movably arranged in the T-shaped groove 12, and one side of each T-shaped block 14 is movably provided with a measuring strip 16;
folding structure 2, folding structure 2 all has the setting in two T shape piece 14 one side, and folding structure 2 includes fixed plate 22 and is located fixed plate 22 internally movable mounting's pull rod 23, and two locating hole 21 have all been seted up on two T shape piece 14 tops, and two locating hole 21 are respectively to the extension line contained angle of T shape piece 14 central point for the right angle.
Specifically, the threaded rod 13 is movably mounted in the T-shaped groove 12 through a bearing, two T-shaped blocks 14 are mounted outside the threaded rod 13 through screw thread screwing, the two T-shaped blocks 14 are in sliding fit with the inside of the T-shaped groove 12, and the screw threads of the two T-shaped blocks 14 are opposite.
From the above, the T-shaped groove 12 can limit the T-shaped block 14, so that the T-shaped block 14 can not only move linearly along the inside of the T-shaped groove 12 under the driving of the threaded rod 13, but also prevent the T-shaped block 14 from separating from the T-shaped groove 12, and since the internal threads of the two T-shaped blocks 14 are opposite, when the threaded rod 13 rotates, the two T-shaped blocks 14 are driven to move in opposite directions or in opposite directions, so as to drive the two measuring strips 16 to approach or separate from each other, thereby completing the work of measuring the opening length of the lifting hook.
Specifically, the top ends of the two T-shaped blocks 14 are respectively provided with a rotating shaft 15 through bearings, one side of the rotating shaft 15 is fixedly provided with a measuring bar 16, one side of the top end of the measuring ruler 1, which is far away from the handle 11, is provided with a scale bar 17, one side, which is close to the threaded rod 13, of the outside of the measuring ruler 1 is movably provided with a knob 18 through bearings, and the knob 18 is in transmission connection with the shaft of the threaded rod 13.
From the above, the movable rotating shaft 15 is arranged to change the angle of the measuring bar 16 through the rotating shaft 15, the numerical value of the opening length can be read when the opening of the lifting hook is measured through the scale bar 17, the accuracy of the scale bar 17 is 0.02mm, the length of the opening of the lifting hook can be measured more accurately, the zero scale value of the scale bar 17 is at the center of the measuring ruler 1, the specific length can be obtained by adding the numerical value between the two measuring bars 16 and the zero scale value of the scale bar 17 during measurement, the knob 18 is arranged to conveniently adjust the threaded rod 13 outside the measuring ruler 1, the threaded rod 13 drives the two measuring bars 16 to be close to the inner wall of the opening of the lifting hook, the numerical value is read, and in specific use, the two measuring bars 16 are in a state of being close to each other, the two measuring bars 16 are placed at the opening of the lifting hook, the knob 18 is rotated, the two measuring bars 16 are driven to be further away from each other until the two inner walls of the opening of the lifting hook are respectively attached, the numerical value on the scale bar 17 is read, and the measurement is completed.
Embodiment two:
referring to fig. 1-7, a fixing plate 22 is fixedly mounted on one side of the rotating shaft 15 far away from the measuring strip 16, a pull rod 23 is movably mounted in the fixing plate 22 through an opening, the pull rod 23 is in sliding fit with the inside of the fixing plate 22, one end of the pull rod 23, which is close to the T-shaped block 14, extends into the positioning hole 21, and the pull rod 23 is in sliding fit with the inner wall of the positioning hole 21.
Specifically, a baffle 24 is fixedly installed on one side of the pull rod 23, which is close to the T-shaped block 14, a spring 25 is fixedly connected between the baffle 24 and the fixed plate 22, the spring 25 is arranged on the outer side of the pull rod 23, the scale bar 17 is arranged on one side of the measuring scale 1, which is close to the T-shaped groove 12, and numerical values are marked on the scale bar 17.
From the above, the stable switching between the measuring bar 16 and the measuring scale 1 from the vertical state to the parallel state can be realized through the cooperation of the pull rod 23 and the positioning hole 21, the measuring bar 16 and the measuring scale 1 can be made to be in the vertical state by extending the pull rod 23 into one of the positioning holes 21, the measuring bar 16 cannot be turned in the locked state, at this time, the measuring work can be performed, the pull rod 23 is manually pulled to separate from the positioning hole 21, at this time, the unlocking can turn the measuring bar 16, then the pull rod 23 extends into the other positioning hole 21, the measuring bar 16 and the measuring scale 1 can be made to be in the parallel state, the measuring bar 16 cannot be turned in the locked state, at this time, the folding state cannot be measured, the measuring bar can be stored in a tool bag to be carried conveniently, the spring 25 and the baffle 24 can be abutted against the baffle 24 through the spring 25, the baffle 24 is attached to the T-shaped block 14, at this time, the pull rod 23 cannot be easily separated from one of the positioning holes 21, at this time, at specific use, the pull rod 23 is pulled firstly to separate from one of the positioning holes 21, the rotating shaft 15 is rotated, the state of the measuring bar 16 is changed, at this time, the state of the pull rod 23 and the other positioning hole 21 is corresponding to the other positioning hole 21, the pull rod 23 is released, the other positioning hole 23 is reset, the state can be switched to the folded state, and the measuring bar 23 is reset, and the state can be completed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A hook opening measuring device, comprising:
the measuring ruler (1), a handle (11) is fixedly arranged on one side of the measuring ruler (1), a T-shaped groove (12) is formed in the top end of the measuring ruler (1), two T-shaped blocks (14) are movably arranged in the T-shaped groove (12), and measuring strips (16) are movably arranged on one side of each T-shaped block (14);
the folding structure (2), folding structure (2) all has the setting in two T shape piece (14) one side, folding structure (2) are including fixed plate (22) and be located fixed plate (22) inside movable mounting's pull rod (23), two locating hole (21) have all been seted up on T shape piece (14) top, two locating hole (21) are respectively to the extension line contained angle of T shape piece (14) central point for the right angle.
2. The lifting hook opening degree measuring device according to claim 1, wherein a threaded rod (13) is movably installed inside the T-shaped groove (12) through a bearing, two T-shaped blocks (14) are installed outside the threaded rod (13) through threaded screwing, the two T-shaped blocks (14) are in sliding fit with the inside of the T-shaped groove (12), and internal threads of the two T-shaped blocks (14) are opposite.
3. The lifting hook opening degree measuring device according to claim 2, wherein the top ends of the T-shaped blocks (14) are respectively provided with a rotating shaft (15) through bearings, one side of the rotating shaft (15) is fixedly provided with a measuring bar (16), one side of the top end of the measuring bar (1) far away from the handle (11) is provided with a scale bar (17), one side, close to the threaded rod (13), of the outer part of the measuring bar (1) is provided with a knob (18) through bearings in a movable mode, and the knob (18) is connected with the shaft of the threaded rod (13) in a transmission mode.
4. A lifting hook opening degree measuring device according to claim 3, characterized in that a fixed plate (22) is fixedly arranged on one side, far away from the measuring strip (16), of the rotating shaft (15), a pull rod (23) is movably arranged in the fixed plate (22) through a hole, the pull rod (23) is in sliding fit with the inside of the fixed plate (22), one end, close to the T-shaped block (14), of the pull rod (23) extends into the positioning hole (21), and the pull rod (23) is in sliding fit with the inner wall of the positioning hole (21).
5. The lifting hook opening degree measuring device according to claim 4, wherein a baffle plate (24) is fixedly arranged on one side of the pull rod (23) close to the T-shaped block (14), a spring (25) is fixedly connected between the baffle plate (24) and the fixed plate (22), and the spring (25) is arranged on the outer side of the pull rod (23).
6. A hook opening measuring device according to claim 3, characterized in that the scale bar (17) is arranged on the side of the measuring scale (1) close to the T-shaped groove (12), and the scale bar (17) is marked with a numerical value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321660125.8U CN220170120U (en) | 2023-06-28 | 2023-06-28 | Lifting hook opening degree measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321660125.8U CN220170120U (en) | 2023-06-28 | 2023-06-28 | Lifting hook opening degree measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220170120U true CN220170120U (en) | 2023-12-12 |
Family
ID=89059913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321660125.8U Active CN220170120U (en) | 2023-06-28 | 2023-06-28 | Lifting hook opening degree measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220170120U (en) |
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2023
- 2023-06-28 CN CN202321660125.8U patent/CN220170120U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231218 Address after: No. 238 Times Sunshine Avenue, Yuhua District, Changsha City, Hunan Province, 410011 Patentee after: HUNAN SPECIAL EQUIPMENT INSPECTION & TESTING Research Institute Address before: No. 238 Times Sunshine Avenue, Yuhua District, Changsha City, Hunan Province, 410007 Patentee before: Zou Shiqiao |