CN214096440U - Large-scale structure hoisting point stress detection device - Google Patents
Large-scale structure hoisting point stress detection device Download PDFInfo
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- CN214096440U CN214096440U CN202022723282.1U CN202022723282U CN214096440U CN 214096440 U CN214096440 U CN 214096440U CN 202022723282 U CN202022723282 U CN 202022723282U CN 214096440 U CN214096440 U CN 214096440U
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Abstract
The utility model discloses a large-scale structure hoisting point atress detection device, the device pass through bearing structure and fix lug atress detection device in the top of lug, through holding hydraulic cylinder centre gripping wire rope, the lug is hung to the couple below the wire rope, adopts the jacking pneumatic cylinder to promote certain distance, then carries out load measurement through pressure sensor, reaches and continues to pressurize the lug after setting for the load, can be convenient detect out the welding quality of lug welding department. The device can conveniently detect the stress condition of the large-scale structure lifting point, can conveniently realize the feedback of information, improves the stress field detection quality of the large-scale structure lifting point, and simultaneously ensures the safety performance of the lifting process.
Description
Technical Field
The utility model relates to a build detection device among the ocean engineering, especially involve a large structure hoisting point atress detection device.
Background
After the marine oil and gas ultra-large structure is built, the large structure needs to be hoisted to an installation site in a hoisting mode, lifting is carried out by welding lifting lugs at the top of the large structure during hoisting, the welding quality of the lifting lugs is directly related to the safety of the whole hoisting process, if the welding quality of the lifting lugs is poor, the bearing capacity is poor, the large structure can be turned on one's side, and even serious casualty accidents are caused. The welding quality of the lifting lug is measured through the welding seam at the present stage, and an effective detection means is also lacked for the stress condition of the lifting lug.
Disclosure of Invention
An object of the utility model is to overcome prior art's shortcoming, provide one kind and can guarantee the security performance of hoist and mount process, improved the large-scale structure hoisting point atress detection device of detection achievement quality simultaneously.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model discloses a large-scale structure hoisting point atress detection device, including supporting structure supporting on large-scale structure, be in supporting structure's roof on through the bolt fastening have a jacking pneumatic cylinder, be in along vertical direction set up the hydraulic stem of jacking pneumatic cylinder on through the bolt fastening pressure detection sensor, be fixed with the clamping hydraulic cylinder on the pressure detection sensor, be provided with a supporting beam along the horizontal direction directly over the clamping hydraulic cylinder, be fixed with a guide bar respectively between the left and right sides between the hydraulic cylinder seat of jacking pneumatic cylinder and the supporting beam, the left and right sides of the hydraulic cylinder seat of clamping hydraulic cylinder respectively with the guide bar can be in upper and lower sliding connection, be in the roof of the hydraulic stem of clamping hydraulic cylinder along the circumferencial direction equipartition have a plurality of centre gripping holes, install elastic fixture in each centre gripping hole, the top of each elastic clamp is fixedly connected with the lower part of a spring, a pressure plate is arranged right above the spring along the horizontal direction, and the left side and the right side of the pressure plate are respectively and fixedly connected with a hydraulic cylinder seat of a clamping hydraulic cylinder through bolt columns;
the upper parts of the steel wire ropes which are arranged in one-to-one correspondence with the elastic clamps are respectively connected to the supporting beam, the lower parts of the steel wire ropes sequentially penetrate through the pressing plate, the spring, the elastic clamps, the clamping hydraulic cylinder, the pressure detection sensor, the jacking hydraulic cylinder and the supporting structure and are fixedly connected with a lifting hook together, and the lifting hook is used for being connected with a lifting lug welded on a large-scale structure.
Compared with the prior art, adopt the utility model has the advantages of: the utility model discloses can conveniently realize carrying out the field measurement to the atress condition of large structure hoisting point, can guarantee the security performance of hoist and mount process, improve detection achievement quality simultaneously, do the hoist and mount efficiency that improves large structure.
Drawings
FIG. 1 is an overall structure diagram of the device for detecting the stress on the suspension point of the large structure;
FIG. 2 is a block diagram of a support structure in the apparatus shown in FIG. 1;
FIG. 3 is a top view of the clamping cylinder in the apparatus shown in FIG. 1;
FIG. 4 is a front view of a clamping cylinder in the apparatus of FIG. 1;
fig. 5 is a schematic diagram of the data transmission structure of the present invention.
Detailed Description
The invention will be further described by means of specific embodiments with reference to the accompanying drawings:
as shown in the accompanying drawings, the utility model discloses a large-scale structure hoisting point atress detection device, including supporting bearing structure 1 on large-scale structure the roof of bearing structure 1 on be fixed with jacking pneumatic cylinder 2 through the bolt, set up along vertical direction jacking pneumatic cylinder 2's hydraulic stem on through the bolt fastening pressure detection sensor 3 on be fixed with centre gripping pneumatic cylinder 5 be provided with a supporting beam 7 along the horizontal direction directly over centre gripping pneumatic cylinder 5 the hydraulic cylinder seat of jacking pneumatic cylinder 2 and the left and right sides between the supporting beam 7 between be fixed with a guide bar 4 respectively, the left and right sides of the hydraulic cylinder seat of centre gripping pneumatic cylinder 5 respectively with guide bar 4 sliding connection from top to bottom. The top wall of a hydraulic rod of the clamping hydraulic cylinder 5 is uniformly provided with a plurality of clamping holes 5-1 along the circumferential direction, each clamping hole is internally provided with an elastic clamp 5-2, the top of each elastic clamp 5-2 is fixedly connected with the lower part of a spring 5-3, a pressing plate 5-4 is arranged right above the spring 5-3 along the horizontal direction, and the left side and the right side of the pressing plate 5-4 are respectively and fixedly connected with a hydraulic cylinder seat of the clamping hydraulic cylinder 5 through bolt columns 5-5. The elastic clamp 5-2 is commercially available.
The upper parts of the steel wire ropes 6 which are arranged in one-to-one correspondence with the elastic clamps 5-2 are respectively connected to the supporting beam 7, the lower parts of the steel wire ropes sequentially penetrate through the pressing plate 5-4, the spring 5-3, the elastic clamp 5-2, the clamping hydraulic cylinder 5, the pressure detection sensor 3, the jacking hydraulic cylinder 2 and the supporting structure 1 and are fixedly connected with a lifting hook 8 together, and the lifting hook 8 is used for being connected with a lifting lug 9 welded on a large-scale structure.
Preferably, the supporting structure 1 comprises an upper supporting plate 1-3 and a lower supporting plate 1-1 which are arranged in parallel at intervals from top to bottom, first through holes 1-5 and second through holes 1-4 for allowing a steel wire rope 6 to pass through are respectively formed in the upper supporting plate 1-3 and the lower supporting plate 1-1, and four corners between the upper supporting plate 1-3 and the lower supporting plate 1-1 are fixedly connected through a supporting column 1-2 respectively.
Preferably, the clamping holes 5-1 are six in number and are uniformly distributed on the top wall of the hydraulic rod of the clamping hydraulic cylinder 5.
Preferably, the signal output end of the pressure detection sensor 3 is connected with the digital-analog conversion device 10 through a data line, the output end of the digital-analog conversion device 10 is connected with the computer 11 through a data line, and the signal output end of the computer 11 is connected with the jacking hydraulic cylinder 2.
The working principle is as follows:
the supporting structure 1 of the large-scale structure lifting point stress testing device is placed above a lifting lug 9, a lifting hook 8 is hung on the lifting lug 9, a telescopic rod of a clamping hydraulic cylinder 5 extends out, a steel wire rope 6 is clamped by an elastic clamp 5-2 arranged on the clamping hydraulic cylinder 5, a pulling force to be applied is set on a computer 11, a hydraulic rod of a jacking hydraulic cylinder 2 extends out, the pressure measured by a pressure sensor 3 is transmitted to a digital-analog conversion device 10 through a data line at the moment, the digital-analog conversion device 10 converts the numerical value of the pressure sensor 3 and then transmits the converted numerical value to the computer 11 through a data transmission line, when the set pressure value is reached, the jacking hydraulic cylinder 2 stops acting, whether the lifting lug 9 has a crack phenomenon after stabilizing for a certain time is observed, after the detection is finished, the hydraulic rod of the jacking hydraulic cylinder 2 retracts, and the hydraulic rod of the clamping hydraulic cylinder 5 retracts, the elastic clamp 5-2 retracts into the clamping hole 5-1 under the action of the spring 5-3, the whole clamping hydraulic cylinder 5 returns to the bottom along the guide rod 4, the lifting hook 8 is detached, and the stress detection work of the lifting lug 9 is completed.
Claims (4)
1. Large-scale structure hoisting point atress detection device, its characterized in that: the device comprises a supporting structure (1) supported on a large-scale structure, a jacking hydraulic cylinder is fixed on the top wall of the supporting structure through bolts, a pressure detection sensor (3) is fixed on a hydraulic rod of the jacking hydraulic cylinder (2) arranged along the vertical direction through bolts, a clamping hydraulic cylinder (5) is fixed on the pressure detection sensor (3), a supporting cross beam (7) is arranged right above the clamping hydraulic cylinder along the horizontal direction, a guide rod (4) is respectively fixed between the left side and the right side between a hydraulic cylinder seat of the jacking hydraulic cylinder and the supporting cross beam, the left side and the right side of the hydraulic cylinder seat of the clamping hydraulic cylinder are respectively connected with the guide rod (4) in a vertical sliding manner, a plurality of clamping holes (5-1) are uniformly distributed on the top wall of the hydraulic rod of the clamping hydraulic cylinder along the circumferential direction, an elastic clamp (5-2) is arranged in each clamping hole, the top of each elastic clamp is fixedly connected with the lower part of a spring (5-3), a pressure plate (5-4) is arranged right above the spring along the horizontal direction, and the left side and the right side of the pressure plate are respectively and fixedly connected with a hydraulic cylinder seat of a clamping hydraulic cylinder through bolt columns (5-5);
the upper parts of the steel wire ropes (6) which are arranged in one-to-one correspondence with the elastic clamps (5-2) are respectively connected to the supporting cross beam (7), and the lower parts of the steel wire ropes sequentially penetrate through the pressing plate, the spring, the elastic clamps, the clamping hydraulic cylinder, the pressure detection sensor, the jacking hydraulic cylinder and the supporting structure (1) and are fixedly connected with a lifting hook (8) together, wherein the lifting hook is used for being connected with a lifting lug (9) welded on a large-scale structure.
2. The large-scale structure hoisting point stress detection device according to claim 1, wherein: the supporting structure (1) comprises an upper supporting plate (1-3) and a lower supporting plate (1-1) which are arranged at an upper parallel interval and a lower parallel interval, wherein a first through hole (1-5) and a second through hole (1-4) for penetrating through a steel wire rope (6) are formed in the upper supporting plate (1-3) and the lower supporting plate (1-1) respectively, and four corners between the upper supporting plate (1-3) and the lower supporting plate (1-1) are fixedly connected through a supporting column (1-2) respectively.
3. The large-scale structure hoisting point stress detection device according to claim 1 or 2, wherein: the signal output end of the pressure detection sensor (3) is connected with a digital-analog conversion device (10) through a data line, the output end of the digital-analog conversion device is connected with a computer (11) through a data line, and the signal output end of the computer is connected with the jacking hydraulic cylinder (2).
4. The large-scale structure hoisting point stress detection device of claim 3, wherein: six clamping holes (5-1) are uniformly distributed on the top wall of a hydraulic rod of the clamping hydraulic cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022723282.1U CN214096440U (en) | 2020-11-23 | 2020-11-23 | Large-scale structure hoisting point stress detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022723282.1U CN214096440U (en) | 2020-11-23 | 2020-11-23 | Large-scale structure hoisting point stress detection device |
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| CN214096440U true CN214096440U (en) | 2021-08-31 |
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| CN202022723282.1U Active CN214096440U (en) | 2020-11-23 | 2020-11-23 | Large-scale structure hoisting point stress detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115452587A (en) * | 2022-09-16 | 2022-12-09 | 南通虹冈铸钢有限公司 | Automobile stamping die foundry goods lug detection device |
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2020
- 2020-11-23 CN CN202022723282.1U patent/CN214096440U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115452587A (en) * | 2022-09-16 | 2022-12-09 | 南通虹冈铸钢有限公司 | Automobile stamping die foundry goods lug detection device |
| CN115452587B (en) * | 2022-09-16 | 2023-11-14 | 南通虹冈铸钢有限公司 | Automobile stamping die foundry goods lug detection device |
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