CN210834479U - Self-balancing tension test device for narrow space - Google Patents
Self-balancing tension test device for narrow space Download PDFInfo
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- CN210834479U CN210834479U CN201920763292.2U CN201920763292U CN210834479U CN 210834479 U CN210834479 U CN 210834479U CN 201920763292 U CN201920763292 U CN 201920763292U CN 210834479 U CN210834479 U CN 210834479U
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Abstract
The utility model discloses a self-balancing tensile test device for narrow and small space constitutes a laborsaving lever with connecting plate, right branch leg backing plate, left branch leg backing plate, and is right through laborsaving lever the pulling force that deviates from its mounting surface is applyed to experimental eye plate, keeps to the test time of settlement in order to detect when pulling force reaches required size experimental eye plate accords with the tensile test requirement. Because the utility model provides a laborsaving lever with right side landing leg backing plate is the fulcrum of lever, with flat hydro-cylinder force cell sensor on the left side landing leg backing plate stretches the jar right through the hydro-cylinder as the power point experimental eye plate produces the pulling force that deviates from its mounting surface, and the power point only needs to provide experimental required pulling force half can satisfy the tensile test requirement. The utility model provides an unable eye plate tensile test's a difficult problem of carrying in narrow and small space, avoided among the tensile test need carry the inconvenience of examination pouring weight in the under-deck, reduced experimental intensity of labour, improved test efficiency.
Description
Technical Field
The utility model belongs to the technical field of boats and ships and ocean engineering, particularly, relate to a self-balancing tensile test device for narrow and small space.
Background
Lifting eye plates are arranged above the engine room, the pump room and other equipment of the ship and the ocean engineering platform. These eye plates are used for installation and maintenance of demolition equipment. In order to verify the strength of the eye plate and ensure the safety of lifting operation during the installation and the removal of equipment, all lifting eye plates need to pass a tensile test more than 1.2 times. In the tension test, a counterweight block with a corresponding tonnage is usually hung under an eye plate to complete test verification. However, in the case of a narrow space, a large pressure test load and a large counterweight size, no effective way is available for hanging the counterweight in the narrow space, so that the test is difficult to complete.
SUMMERY OF THE UTILITY MODEL
The utility model provides a self-balancing tensile test device for narrow and small space has solved the difficult problem that large-tonnage eye plate tensile test is difficult to accomplish because of the space restriction in the narrow and small space. The utility model discloses a scheme easy operation can improve experimental speed greatly.
The utility model discloses at first provide a self-balancing tensile test device for narrow and small space, it includes: the right supporting leg base plate is arranged on one side of the test eye plate and is flush with the test eye plate, and the upper end face of the right supporting leg base plate abuts against the mounting plane of the test eye plate; the left leg base plate is arranged on the other side of the test eye plate and is arranged on the same straight line with the test eye plate and the right leg base plate; the connecting plate is connected with the right leg base plate and the left leg base plate, a through hole is formed in the middle of the upper portion of the connecting plate, and the through hole is used for installing a connecting pin shaft so as to connect the connecting plate to the test eye plate; the flat oil cylinder force transducer is arranged between the upper end surface of the left leg base plate and the mounting plane of the test eye plate and comprises a flat oil cylinder and a pressure sensor arranged on the end surface of the flat oil cylinder; in the test, the flat oil cylinder firstly makes a stretching rod action so as to enable a pressure sensor in the flat oil cylinder to reach the required pressure, the pressure acts on the test eye plate through a lever formed by the connecting plate, the right supporting leg base plate and the left supporting leg base plate, the tension force deviating from the installation plane of the test eye plate is generated on the test eye plate, the stretching distance of the flat oil cylinder is kept when the pressure reaches the required pressure, the pressure is kept until the set test time is reached, and the flat oil cylinder is contracted after the set test time is reached so as to be used for disassembling the device.
Optionally, foretell a self-balancing tensile test device for narrow and small space, wherein the connecting plate includes two, and the setting that is parallel respectively is in the both sides of experimental eye plate, interval between two connecting plates reaches the thickness of experimental eye plate is in order to hold experimental eye plate will experimental eye plate is on a parallel with the connecting plate sets up between two connecting plates.
Optionally, the aforesaid is used for narrow and small space from balancing tensile test device, wherein the through-hole of two connecting plates with the through-hole of experimental eye board is coaxial, just the through-hole of two connecting plates reaches at least the diameter of the through-hole of experimental eye board.
Optionally, the self-balancing tensile test device for narrow and small space further comprises a pin nut screwed at two ends of the connecting pin shaft and used for connecting and fixing the two connecting plates and the test eye plate between the two connecting plates.
Optionally, foretell a self-balancing tensile test device for narrow and small space, wherein the lever that connecting plate, right branch leg backing plate, left branch leg backing plate constitute, with the right branch leg backing plate is the fulcrum of lever, with flat hydro-cylinder force cell sensor on the left branch leg backing plate is as the point of force of exerting oneself, right the production of the experimental eye plate that the through-hole is connected in the middle of the connecting plate pulls away from its mounting plane.
The utility model discloses constitute a laborsaving lever with connecting plate, right branch leg backing plate, left branch leg backing plate, it is right through laborsaving lever experimental eye plate is applyed the pulling force that deviates from its mounting surface, keeps to the test time of settlement in order to detect when pulling force reaches required size experimental eye plate accords with the tensile test requirement. Because the utility model provides a laborsaving lever with right side landing leg backing plate is the fulcrum of lever, with flat hydro-cylinder force cell sensor on the left side landing leg backing plate stretches the jar through the hydro-cylinder right as the power point the experimental eye plate that the through-hole is connected in the middle of the connecting plate produces the pulling force that deviates from its mounting surface, consequently, the power point only need provide experimental required pulling force half can satisfy the tensile test requirement. The utility model provides an unable eye plate tensile test's a difficult problem of carrying in narrow and small space, avoided among the tensile test need carry the inconvenience of examination pouring weight in the under-deck, reduced experimental intensity of labour, improved test efficiency.
Drawings
Fig. 1 is a side view of the self-balancing tensile testing apparatus of the present invention;
fig. 2 is a cross-sectional view of the self-balancing tensile test device of the present invention.
In the drawings, 1 denotes an eye plate reverse structure; 2 denotes a test eye plate; 3 denotes a flat cylinder load cell; 4 denotes a right leg pad; 5 denotes a left leg pad; 6, a self-balancing tensile test device; and 7 denotes a connecting pin.
Detailed Description
In order to make the purpose and technical solution of the embodiments of the present invention clearer, the following description will clearly and completely describe the technical solution of the embodiments of the present invention by combining the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The utility model provides a self-balancing tensile test scheme for narrow and small space. The testing device is shown in fig. 1 and fig. 2, and the corresponding testing method mainly comprises the following steps: 1. demonstration of technical feasibility; 2. installing a self-balancing tensile test device; and 3, obtaining a test conclusion.
1. Demonstration of technical feasibility
①, counting the eye plate specification and tonnage data in a narrow space, and using the data as the basis for designing the self-balancing tension test device 6.
②, designing the size specification of a self-balancing tensile test device 6 and checking the strength, wherein the self-balancing tensile test device 6 comprises a right leg base plate 4, a left leg base plate 5, a connecting plate and a flat cylinder force measuring sensor 3, wherein the right leg base plate 4 is arranged on one side of a test eye plate 2 and is flush with the test eye plate 2, the upper end face of the right leg base plate 4 abuts against the installation plane of the test eye plate 2, the left leg base plate 5 is arranged on the other side of the test eye plate 2 and is arranged on the same straight line with the test eye plate 2 and the right leg base plate 4, the connecting plate is connected with the right leg base plate 4 and the left leg base plate 5, a through hole is formed in the middle of the upper portion of the connecting plate and is used for installing a connecting pin shaft 7 so as to connect the connecting plate to the test eye plate 2, and the flat cylinder force measuring sensor 3 is arranged between the upper end face of the left leg base plate 5.
2. Installation of self-balancing tension test device
①, aligning the self-balancing tension test device 6 with the test eye plate, adjusting the position of the shaft hole, aligning the through hole of the self-balancing tension test device 6 with the through hole of the test eye plate 2, and keeping the two coaxial.
② inserting a connecting pin 7 into the through hole to connect the self-balancing tensile test device 6 and the test eye plate 2, and mounting pin nuts on two sides of the connecting pin 7.
③ adjustment self-balancing tensile test device 6 for the up end butt of its right leg backing plate 4 is in the mounting plane of experimental eye plate 2 makes its left leg backing plate 5 with experimental eye plate 2 right leg backing plate 4 sets up at the collinear, makes left leg backing plate 5 with right leg backing plate 4 sets up respectively the both sides of the through-hole of experimental eye plate 2 are plugged in the clearance between self-balancing device and the experimental eye plate 2 body structure with force cell's flat hydro-cylinder.
3. Obtaining the test conclusion
①, the flat oil cylinder in the flat oil cylinder force sensor 3 is driven to firstly do the action of extending the bar, so that the pressure sensor therein reaches the required pressure, the pressure acts on the test eye plate 2 through the lever formed by the connecting plate, the right leg backing plate 4 and the left leg backing plate 5, and the pulling force deviating from the installation plane of the test eye plate 2 is generated, wherein, the pressure sensor displays that the pressure should reach 0.5 times of the test pressure.
② when the pressure sensor detects that the pressure reaches the required value of the test, the expansion distance of the flat oil cylinder is kept, and the pressure is kept until the set test time is reached, for example, the pressure of the flat oil cylinder is kept for 5 minutes.
③ retract the flat ram for removal.
④, removing the connecting pin shaft and the self-balancing tension test device 6;
⑤ the fillet weld between the trial eye plate 2 and the eye plate body structure was ground.
⑥ magnetic powder inspection is carried out on the diagonal weld seam, and appearance inspection is carried out on the eye plate structure.
Referring to the structure shown in fig. 2, the two connecting plates are respectively arranged on two sides of the test eye plate 2 in parallel, the distance between the two connecting plates reaches the thickness of the test eye plate 2 to accommodate the test eye plate 2, and the test eye plate 2 is arranged between the two connecting plates in parallel with the connecting plates. The through holes of the two connecting plates are coaxial with the through hole of the test eye plate 2, and the through holes of the two connecting plates at least reach the diameter of the through hole of the test eye plate 2. The pin shaft nuts are screwed at two ends of the connecting pin shaft 7 and are used for connecting and fixing the two connecting plates and the test eye plate 2 between the two connecting plates.
Therefore, the connecting plate, the right leg base plate 4 and the left leg base plate 5 form a labor-saving lever. The labor-saving lever takes the right supporting leg base plate 4 as a fulcrum of the lever and takes the flat oil cylinder force transducer 3 on the left supporting leg base plate 5 as a force-applying point to generate a pulling force deviating from a mounting plane of the test eye plate 2 connected with the through hole in the middle of the connecting plate. Its pulling force of exerting at experimental eye plate 2 reaches 2 times of the pressure that flat hydro-cylinder was exerted just, consequently, only needs flat hydro-cylinder to provide half of experimental required pulling force in narrow and small space can realize the eye plate tensile test in narrow and small space to need not to carry the test weight piece in the testing process.
Claims (5)
1. The utility model provides a self-balancing tensile test device for narrow and small space which characterized in that includes:
the right leg backing plate (4) is arranged on one side of the test eye plate (2) and is flush with the test eye plate (2), and the upper end face of the right leg backing plate (4) abuts against the installation plane of the test eye plate (2);
the left leg base plate (5) is arranged on the other side of the test eye plate (2) and is arranged on the same straight line with the test eye plate (2) and the right leg base plate (4);
the connecting plate is connected with the right leg base plate (4) and the left leg base plate (5), a through hole is formed in the middle of the upper portion of the connecting plate, and the through hole is used for installing a connecting pin shaft (7) so as to connect the connecting plate to the test eye plate (2);
the flat oil cylinder force measuring sensor (3) is arranged between the upper end face of the left leg base plate (5) and the mounting plane of the test eye plate (2) and comprises a flat oil cylinder and a pressure sensor arranged on the end face of the flat oil cylinder; in the test, the flat oil cylinder firstly makes a stretching rod action to enable a pressure sensor in the flat oil cylinder to reach the required pressure, the pressure acts on the test eye plate (2) through a lever formed by the connecting plate, the right support leg base plate (4) and the left support leg base plate (5), the tension force deviating from the installation plane of the test eye plate (2) is generated, the stretching distance of the flat oil cylinder is kept when the pressure reaches the required pressure, the pressure is kept until the set test time is reached, and the flat oil cylinder is contracted after the set test time is reached so as to be used for disassembling the device.
2. The self-balancing tensile test device for narrow spaces according to claim 1, wherein the connecting plates comprise two plates, the two plates are respectively arranged on two sides of the test eye plate (2) in parallel, the distance between the two connecting plates reaches the thickness of the test eye plate (2) to accommodate the test eye plate (2), and the test eye plate (2) is arranged between the two connecting plates in parallel with the connecting plates.
3. The self-balancing tensile test device for narrow spaces according to claim 2, wherein the through holes of the two connecting plates are coaxial with the through hole of the test eye plate (2), and the through holes of the two connecting plates at least reach the diameter of the through hole of the test eye plate (2).
4. The self-balancing tensile test device for narrow spaces according to any one of claims 1 to 3, further comprising pin nuts screwed on both ends of the connecting pin (7) for connecting and fixing the two connecting plates and the test eye plate (2) between the two connecting plates.
5. The self-balancing tensile test device for the narrow space according to any one of claims 1 to 3, wherein a lever formed by the connecting plate, the right leg cushion plate (4) and the left leg cushion plate (5) takes the right leg cushion plate (4) as a fulcrum of the lever and takes the flat cylinder force transducer (3) on the left leg cushion plate (5) as a force application point to generate a pulling force deviating from a mounting plane of the testing eye plate (2) connected with the through hole in the middle of the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763292.2U CN210834479U (en) | 2019-05-25 | 2019-05-25 | Self-balancing tension test device for narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763292.2U CN210834479U (en) | 2019-05-25 | 2019-05-25 | Self-balancing tension test device for narrow space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210834479U true CN210834479U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920763292.2U Active CN210834479U (en) | 2019-05-25 | 2019-05-25 | Self-balancing tension test device for narrow space |
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| Country | Link |
|---|---|
| CN (1) | CN210834479U (en) |
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- 2019-05-25 CN CN201920763292.2U patent/CN210834479U/en active Active
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