CN218865655U - Clamping device for performance detection of hydraulic large bolt - Google Patents
Clamping device for performance detection of hydraulic large bolt Download PDFInfo
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- CN218865655U CN218865655U CN202320033512.2U CN202320033512U CN218865655U CN 218865655 U CN218865655 U CN 218865655U CN 202320033512 U CN202320033512 U CN 202320033512U CN 218865655 U CN218865655 U CN 218865655U
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Abstract
The application discloses a clamping device for performance detection of a hydraulic large bolt, and relates to the field of water machine detection equipment; the control mechanism and the adjusting mechanism are both provided with clamp bodies; the fixture body comprises a positioning groove body, guide seats are vertically arranged on two sides of the positioning groove body, and guide wheel sets are arranged on the outer sides of the two guide seats; the guide wheel set can move in a reciprocating way relative to the bearing frame; according to the bearing frame, the clamp rails matched with the guide wheel sets are arranged on the mounting plane of the bearing frame, in the test process, the clamp bodies horizontally move along the clamp guide rails, the bearing frame bears the load uniformly, and the horizontal structure is adopted for equipment, so that a tester can observe the overall surface change of the bolt subjected to a corrosion test in advance; this application has filled the blank of big specification bolt performance detection special fixture of water conservancy project, has further guaranteed large-scale hydraulic engineering floodgate dam's construction quality and life.
Description
Technical Field
The application relates to a water machine check out test set field especially relates to a large-scale bolt performance of water conservancy project detects clamping device.
Background
In large-scale hydraulic engineering, especially in large-scale dam project, overlength oversize bolt usually need be used, for example the anchor bolt that uses in the floodgate, the specification often is more than M45, and part even reaches M90, and length is between 500-1500mm, and the bolt that length reached 2500mm has been used in the construction of floodgate to the design team that the inventor belongs to, to the performance detection of above oversize specification bolt owing to do not have suitable supporting large specification bolt clamping jig for experiment, always is a relatively intractable problem.
The bolt tensile test appearance that uses at present adopts vertical structure, anchor clamps adopt general wedge anchor clamps or T type anchor clamps, the bolt penetrates in the round hole, the tensile properties of test bolt, but this type of tester often can only satisfy small-size, the bolt of short-size sample specification is experimental, the above-mentioned large-scale bolt performance of unable fine adaptation detects, if unable every bolt breaking strength of accurate test and tensile properties isoparametric, then can all bring very serious potential safety hazard to the construction of whole dam body, in case the bolt fracture, light then lead to the water conservancy project incident, increase huge cost of maintenance, then influence the regional security of the people's property of whole piece.
How to better detect this kind of big specification bolt will be related to the delivery quality and the life of other large-scale hydraulic engineering such as flood discharge floodgate. Therefore, it is a great hydraulic technical problem to be solved urgently to design a special clamping device for a bolt tester with large specification and large length variation range.
Disclosure of Invention
In order to solve the technical problem, the application provides a large-scale bolt performance of hydraulic engineering detects clamping device, and this application is applicable to the long bolt mechanical properties of multiple big specification and detects, has filled big specification bolt performance and has detected special clamping device's blank, has further guaranteed large-scale hydraulic engineering floodgate dam's construction quality and life.
The technical problem of the application is realized through the following technical scheme: a clamping device for detecting the performance of a hydraulic large bolt comprises a control mechanism and an adjusting mechanism, wherein the control mechanism and the adjusting mechanism are connected through a bearing frame; the control mechanism and the adjusting mechanism are both provided with clamp bodies, and the two clamp bodies are oppositely arranged; the fixture body comprises a positioning groove body, guide seats are vertically arranged on two sides of the positioning groove body, and guide wheel sets are arranged on the outer sides of the two guide seats; the guide wheel set can move in a reciprocating mode relative to the bearing frame.
By adopting the technical scheme: the guide seats vertically arranged on two sides of the positioning groove body play a role in bearing the clamp body and assembling a sample, two guide wheel sets arranged on the outer sides of the guide seats move on the bearing frame in a reciprocating mode, the bearing frame is evenly stressed, the test process is more stable, the test result is more accurate, and the service life of the clamp body can be prolonged.
Further, the bearing frame comprises a stressed side plate, the top of the stressed side plate is horizontally provided with a mounting plane, two clamp guide rails are arranged on the mounting plane, and the span of the two clamp guide rails is the same as the axle distance of the guide wheel set on the two sides.
Furthermore, a connection bent plate is arranged at the joint of the stress side plate and the control mechanism, the connection bent plate is an L-shaped plate, and the connection bent plate is respectively connected with the installation plane and one side of the control mechanism.
Further, guiding mechanism is including adjusting the support body and adjusting the lead screw, install the motor group on the adjustment support body, the adjusting lead screw is by motor group control reciprocating motion, adjusting lead screw front end and the anchor clamps body coupling that is close to guiding mechanism one side.
Furthermore, the guide seat is also provided with an adjusting screw and a locking nut which can adjust and lock the guide wheel set.
Further, the two clamp bodies clamp the assembly sample therebetween; the assembling sample comprises a bolt to be tested, tensile gaskets are arranged at two ends of the bolt to be tested, the tensile gaskets are located on the inner side of the positioning groove body, and fastening nuts are arranged on the outer sides of the tensile gaskets.
Furthermore, a safety plate is movably arranged at the opening at the top of the positioning groove body.
Further, each guide wheel set comprises two separate guide wheels.
In summary, the present application has the following beneficial effects:
1. the detection equipment adopts a horizontal structure, so that the appearance of the surface layer of the whole bolt can be conveniently observed, particularly the appearance change of the surface layer of the bolt after a corrosion test can be conveniently observed, the guide seats are arranged on two sides of the clamp body, and the guide wheel sets are arranged on the outer sides of the guide seats; the fixture rail matched with the guide wheel set is arranged on the mounting plane of the bearing frame, the fixture body horizontally moves along the fixture guide rail in the test process, and the weight of the whole fixture body and the weight of the assembled sample are uniformly borne by the bearing frame, so that the fixture rail is suitable for the tensile property detection test of large-specification and large-size bolts.
2. The equal movable mounting safety plate of two anchor clamps body top opening parts of this application can prevent that the tensile in-process of sample breaks the departure, has improved test equipment's factor of safety.
3. The utility model provides a guide holder top sets up adjusting screw and lock nut, and the high position of every guide pulley group all can be adjusted through adjusting screw, and rethread lock nut is fixed, and the operating personnel of being convenient for overhauls and maintains, keeps pressing from both sides specific tensile displacement accuracy.
Drawings
FIG. 1 is a schematic view of the general assembly structure of the present application;
FIG. 2 is a top view of the final assembly structure of the present application;
FIG. 3 is a schematic view of the structure of the clamp body;
FIG. 4 is a top view of the clamp body;
FIG. 5 is a schematic view of a clamping device and sample assembly
Fig. 6 is a schematic view of an assembled sample.
Description of reference numerals:
1. a control mechanism;
2. a load-bearing frame; 201. connecting the bent plates; 202. a stressed side plate; 203. a mounting plane; 204. a clamp guide rail;
3. an adjustment mechanism; 301. adjusting the frame body; 302. a motor unit; 303. adjusting a lead screw;
4. a clamp body; 401. a positioning groove body; 402. a guide seat; 403. adjusting the screw; 404. locking the nut; 405. a security pane; 406. a shaft pull cover; 407. a guide wheel group;
5. assembling a sample; 501. a bolt to be tested; 502. stretching the gasket; 503. and (6) tightening the nut.
Detailed Description
As shown in fig. 1 to 6, the present application discloses a clamping device for detecting performance of a large bolt in hydraulic engineering, and the following detailed description is made in conjunction with the accompanying drawings, and the device of the present application is not only suitable for detecting performance of a large bolt in hydraulic engineering, but also suitable for detecting performance of bolts in other construction industries or heavy machinery.
Referring to fig. 1 and 2, this application includes a large-scale bolt performance detection clamping device of water conservancy project, the large-scale bolt detector of this application adopts horizontal structure, the bolt level is placed and is more favorable to the measurement personnel to observe the surperficial top layer scar of whole bolt, traditional vertical check out test set is because the bolt is vertical to be placed, the height of equipment itself is the length of large-scale bolt itself in addition, surpass adult's naked eye visual scope completely, and detect the bolt performance in the water conservancy project, except that necessary basic parameter detects, more importantly will learn the performance parameter after the bolt corrosion under rivers erode soaking, adopt horizontal structure more to be favorable to the measurement personnel to observe the whole surface variation of bolt after the corrosion test in advance.
The device comprises a control mechanism 1 and an adjusting mechanism 3 which are horizontally arranged, wherein the control mechanism 1 and the adjusting mechanism 3 are connected through a bearing frame 2; the bearing frame 2 comprises two frame plates vertically arranged between the control mechanism 1 and the adjusting mechanism 3, the control mechanism 1 and the adjusting mechanism 3 are both provided with clamp bodies 4, and the two clamp bodies 4 are oppositely arranged; two ends of the clamp body 4 are movably erected on the two frame plates.
Referring to fig. 3 and 4, the fixture body 4 includes a positioning groove body 401, the clamping end of the positioning groove body 401 is provided with a U-shaped opening for positioning a bolt 501 to be tested, the top end of the positioning groove body 401 is also provided with an opening for hoisting the bolt 501 to be tested, the front end of the top opening is provided with a safety plate 405, after the assembling sample 5 is placed by hoisting, the safety plate 405 is locked, the bolt 501 to be tested is prevented from breaking and popping out in the stretching process, and the injury to operators is avoided.
Referring to fig. 3 and 4, guide bases 402 are vertically arranged on two sides of the positioning groove body 401, the lower parts of the two guide bases 402 are fastened on the outer side wall of the positioning groove body 401 through bolts, and guide wheel groups 407 are arranged on the outer sides of the upper parts of the two guide bases 402; the guide wheel set 407 is capable of reciprocating relative to the carrying frame 2.
With continued reference to fig. 1 and 2, the bearing frame 2 includes a stressed side plate 202, the top of the stressed side plate 202 is horizontally provided with a mounting plane 203, two mounting planes 203 are respectively provided with a clamp guide rail 204, the span of the two clamp guide rails 204 is the same as the axle distance of the guide wheel sets 407 on two sides, and the guide wheel sets 407 can reciprocate on the clamp guide rails 204 under the control of the control mechanism 1.
Referring to fig. 1 and 2, a connection bent plate 201 is arranged at the connection position of the stressed side plate 202 and the control mechanism 1, the connection bent plate 201 is an L-shaped plate, the connection bent plate 201 is respectively connected with the installation plane 203 and one side of the control mechanism 1, and the connection bent plate 201 plays a role in stably connecting the control mechanism 1 and the bearing frame 2.
Referring to fig. 1 and 2, the adjusting mechanism 3 includes an adjusting frame body 301 and an adjusting screw 303, a motor set 302 is installed on the adjusting frame body 301, the adjusting screw 303 is controlled by the motor set 302 to reciprocate, and the front end of the adjusting screw 303 is connected to the clamp body 4 on one side close to the adjusting mechanism 3.
Referring to fig. 3, 4 and 5, the guide holder 402 is further provided with an adjusting screw 403 and a locking nut 404, the adjusting screw 403 and the locking nut 404 can adjust and lock the guide wheel set 407, the height position of each guide wheel set 407 can be adjusted by the adjusting screw 403, and then the guide wheel sets are fixed by the locking nut 404, so that the maintenance and repair of an operator are facilitated, and the stretching displacement accuracy of the clamp body 4 is maintained.
Referring to fig. 5 and 6, the two clamp bodies 4 clamp the assembly sample 5 therebetween; the assembly sample 5 comprises a bolt 501 to be tested, two ends of the bolt 501 to be tested are provided with stretching gaskets 502, the stretching gaskets 502 are located on the inner side of the positioning groove body 401, and fastening nuts 503 are arranged on the outer sides of the stretching gaskets 502.
With continued reference to fig. 3 and 4, each guide wheel group 407 includes two separate guide wheels, and the two separate guide wheels on both sides enable the clamp body 4 to have four contact points with the carrying frame 2, so that the overall operation of the clamp body 4 is smoother.
A shaft cover 406 is provided above the guide base 402 at a position where the inner guide sheave group 407 is attached, for closing the attachment members such as the attachment bolts of the guide sheave group 407 that leak out.
The working principle of this application does:
1. the control mechanism 1 drives the clamp body 4 close to one side of the control mechanism to move and stop at a proper position. The safety plate 405 of the clamp body 4 is removed, and a U-shaped opening at the upper part of the clamp body 4 is exposed, so that the bolt 501 to be tested can be placed conveniently in the next step.
2. The adjusting mechanism 3 is started to make the adjusting screw 303 move linearly, and drive the horizontal position of the clamp body 4 on one side of the adjusting screw to be adjusted to a proper position. The safety plate 405 is removed, and a U-shaped opening at the upper part of the clamp body 4 is exposed, so that the bolt 501 to be tested can be conveniently placed in the next step.
3. Mounting a sample: assembling the bolt 501 to be tested in advance according to the schematic diagram of the assembling sample 5, then horizontally hoisting the assembling sample 5 through hoisting equipment, and horizontally placing the assembling sample 5 to the centers of the U-shaped arcs of the two clamp bodies 4. When placing the sample, need place the tensile gasket 502 of both sides inside two anchor clamps bodies 4 to fix a position through the U type groove of tensile gasket 502 boss and anchor clamps body 4, with sample both ends are coaxial when guaranteeing tensile test.
4. The safety plates 405 for resetting the two clamp bodies 4 are respectively installed.
5. And setting parameters such as test speed and the like through external test software to perform a tensile test.
6. After the test is finished, the safety plates 405 of the two clamp bodies 4 are detached, the sample is taken out, the detection parameters are read, and the next test is prepared.
The foregoing is merely a detailed description of the invention that enables one skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A hydraulic large bolt performance detection clamping device comprises a control mechanism (1) and an adjusting mechanism (3), wherein the control mechanism (1) and the adjusting mechanism (3) are connected through a bearing frame (2); the method is characterized in that: the control mechanism (1) and the adjusting mechanism (3) are both provided with clamp bodies (4), and the two clamp bodies (4) are arranged oppositely; the clamp body (4) comprises a positioning groove body (401), guide seats (402) are vertically arranged on two sides of the positioning groove body (401), and guide wheel sets (407) are arranged on the outer sides of the two guide seats (402); the guide wheel set (407) can move reciprocally relative to the carrying frame (2).
2. The large-scale bolt performance of water conservancy project detects clamping device of claim 1 characterized in that:
the bearing frame (2) comprises stressed side plates (202), the tops of the stressed side plates (202) are horizontally provided with mounting planes (203), two fixture guide rails (204) are arranged on the two mounting planes (203), and the span of the two fixture guide rails (204) is the same as the axle distance of the guide wheel sets (407).
3. The large hydraulic bolt performance detection clamping device according to claim 2, characterized in that:
the connection bent plate (201) is arranged at the joint of the stress side plate (202) and the control mechanism (1), the connection bent plate (201) is an L-shaped plate, and the connection bent plate (201) is respectively connected with one side of the mounting plane (203) and one side of the control mechanism (1).
4. The large hydraulic bolt performance detection clamping device according to claim 1, characterized in that:
adjustment mechanism (3) are including adjustment support body (301) and adjustment lead screw (303), install motor group (302) on adjustment support body (301), adjustment lead screw (303) are by motor group (302) control reciprocating motion, adjustment lead screw (303) front end is connected with the anchor clamps body (4) that are close to adjustment mechanism (3) one side.
5. The large hydraulic bolt performance detection clamping device according to claim 1, characterized in that:
and the guide seat (402) is also provided with an adjusting screw (403) and a locking nut (404) which can adjust and lock the guide wheel set (407).
6. The large-scale bolt performance of water conservancy project detects clamping device of claim 1 characterized in that:
the two clamp bodies (4) clamp and assemble the sample (5); the assembling sample (5) comprises a bolt (501) to be tested, stretching gaskets (502) are arranged at two ends of the bolt (501) to be tested, the stretching gaskets (502) are located on the inner side of the positioning groove body (401), and fastening nuts (503) are arranged on the outer side of the stretching gaskets (502).
7. The large hydraulic bolt performance detection clamping device according to claim 5, characterized in that:
and a safety plate (405) is movably arranged at the opening at the top of the positioning groove body (401).
8. The large-scale bolt performance of water conservancy project detects clamping device of claim 1 characterized in that:
each guide wheel set (407) comprises two separate guide wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320033512.2U CN218865655U (en) | 2023-01-06 | 2023-01-06 | Clamping device for performance detection of hydraulic large bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320033512.2U CN218865655U (en) | 2023-01-06 | 2023-01-06 | Clamping device for performance detection of hydraulic large bolt |
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| Publication Number | Publication Date |
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| CN218865655U true CN218865655U (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320033512.2U Active CN218865655U (en) | 2023-01-06 | 2023-01-06 | Clamping device for performance detection of hydraulic large bolt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117420067A (en) * | 2023-11-20 | 2024-01-19 | 北京天航嘉瑞精密机械有限公司 | Separating device |
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2023
- 2023-01-06 CN CN202320033512.2U patent/CN218865655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117420067A (en) * | 2023-11-20 | 2024-01-19 | 北京天航嘉瑞精密机械有限公司 | Separating device |
| CN117420067B (en) * | 2023-11-20 | 2024-05-24 | 北京天航嘉瑞精密机械有限公司 | Separating device |
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