CN102966070A - Hydraulic miter gate bottom pivot destruction and simulation laboratory device - Google Patents
Hydraulic miter gate bottom pivot destruction and simulation laboratory device Download PDFInfo
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- CN102966070A CN102966070A CN2012104652895A CN201210465289A CN102966070A CN 102966070 A CN102966070 A CN 102966070A CN 2012104652895 A CN2012104652895 A CN 2012104652895A CN 201210465289 A CN201210465289 A CN 201210465289A CN 102966070 A CN102966070 A CN 102966070A
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Abstract
The invention provides a hydraulic miter gate bottom pivot destruction and simulation laboratory device. The device comprises a gate leaf; a bracket used for supporting the gate leaf is arranged at one side of the gate leaf; a top pivot is arranged on the upper end of one side of the gate leaf; the top pivot is connected with the bracket through a supporting device; the lower end of the corresponding side of the gate leaf is connected with a bottom pivot; the connecting line between the top pivot and the bottom pivot forms a rotary shaft of the gate leaf; the gate leaf is further connected with a driving device which drives the gate leaf to rotate through a driving mechanism. The device provided by the invention can be used for really simulating the running conditions of a miter gate under different conditions (such as gate weight, rotary speed, back tension, flooded water depth, fault classification, etc.); certain guidance can be provided for the vibration detection distribution and signal analysis treatment for the real gate through acquiring various vibration signals of the gate body and researching the influence of various factors to the vibration property of the gate body; and thus, the device provided by the invention plays a significant role in the research on the miter gate state maintenance based on the vibration signal.
Description
Technical field
The present invention relates to simulation test device, especially a kind of end pivot crash simulation laboratory installation of the water conservancy project miter gate for water-control project.
Background technology
The volume of Miter Lock Gates is large, complex structure, weight can reach more than 800 ton, long-time running is under the mal-condition of low-speed heave-load, the running gear contact surface of pivot is difficult to form good lubricating oil film at the bottom of the gate, along with the increase that opens and closes number of times, abrasion condition in various degree will appear, will certainly cause gate operation jam, cause vibration and the abnormal sound of a body.Traditional maintenance mode adopts periodic inspection and afterwards maintenance more, and these two kinds of methods all need be suspended to miter gate's Disintegration overhaul, and is not only time-consuming but also require great effort.Modern vibration test technology is the vibration signal that utilizes high accuracy, highly sensitive sensor collection machinery equipment, by means of advanced person's Digital Signal Analysis and Processing technology, realizes monitoring running state, fault diagnosis and trend prediction.Vibration test technology has been widely used in the mechanical equipment fault detection, for the Bottom Hinge for Miter lock Gate fault detect provides important reference.
The bearing shell of Bottom Hinge for Miter lock Gate and mushroom head are the running contact components, the fault of appearance comprise unlubricated friction, mill partially, burning into sand, crackle etc.The vibration detection analysis of Bottom Hinge for Miter lock Gate rarely has report at home, mainly is that useful fault message is easy to be flooded by strong background noise owing to miter gate's Vibration Condition more complicated under the coupling of stormy waves stream; And the fault state of end pivot has very large randomness, and pivot is under water at the end in addition, has many difficulties so that implement miter gate's prototype observation test.
In order to study the impact of Bottom Hinge for Miter lock Gate situation opposite house body vibration signal, carrying out end pivot damage model test research is highly effective approach, but must solution how to design, analogue formation and the result of model experiment converted the first-class problem of entity.For this reason, the actual motion state according to Miter Lock Gates utilizes the theory of similarity, and pivot crash simulation laboratory installation at the bottom of a cover water conservancy project miter gate is intended having developed in the basis of miter gate's prototype structure is used for the door body vibration test that simulation end pivot destroys.
Summary of the invention
Technical problem to be solved by this invention provides pivot crash simulation laboratory installation at the bottom of a kind of water conservancy project miter gate, this device can be simulated the service condition of miter gate's low-speed heave-load, end pivot parts gram is arranged to the various faults type, for pivot crash simulation test in the end provides test platform.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: pivot crash simulation laboratory installation at the bottom of a kind of water conservancy project miter gate, comprise gate flap, side at gate flap is provided with for the support that supports gate flap, the upper end of gate flap one side is provided with the top pivot, the top pivot is connected with support by bracing or strutting arrangement, and the lower end of the corresponding side of gate flap and the end are pivoted and connect;
Line between top pivot and the end pivot forms the axis of rotation of gate flap, and gate flap also is connected with the drive unit that drives the gate flap rotation by driving mechanism.
In the pivot of the described end, mushroom head and end pivot cover form and are slidingly matched, and are provided with removable bearing shell in the end pivot cover, and pivot cover in the end is fixedly connected with the gate flap base plate, and mushroom head is fixedly connected with pedestal.
Pivot of the described end put be provided with mushroom head and bearing shell between the oil nozzle that is communicated with of fitting face, oil nozzle is connected with oil pump.
Be provided with radial oil groove in the described bearing shell, described mushroom head fitting face built-up welding stainless steel.
Be provided with between the bonding surface of end pivot cover and bearing shell overlap for restriction bearing shell and end pivot between in relative rotation screw or bearing pin.
In the described bracing or strutting arrangement, the first pull bar that triangularity is arranged be connected pull bar one end and be connected with gate flap by the top pivot, the other end of the first pull bar and the second pull bar is hinged with bracket base respectively, two bracket bases are fixedly connected with support by connecting lateral plate, and the first pull bar and the second pull bar are provided with the adjusting screw(rod) of adjustable length.
In the described driving mechanism, the top of gate flap is provided with the driving bearing pin, and drive link one end is connected with the driving bearing pin, and the other end of drive link is hinged with an end that drives fork, drives the fork other end and is connected with the drive unit of driving fork rotation.
In the described drive unit, variable-frequency motor is connected with reducer by shaft coupling, and reducer is fixedly connected with the driving fork.
Men Genei on the described gate flap is provided with the movable balance weight piece.
Also be provided with into the back rod that " eight " font is arranged on the described gate flap, back rod is provided with the adjusting screw(rod) of adjustable length.
Also be provided with the sensor for detection of vibration on the described gate flap.
Pivot crash simulation laboratory installation at the bottom of the water conservancy project miter gate provided by the invention by adopting above-mentioned structure, has following advantage:
1, experimental rig and miter gate prototype satisfy the principle of similitude, comprise geometric similarity, kinematic similitude and mechanical similitude, can be from the vibration characteristics of quantitative forecast prototype on the model by simulated test.
2, by the rotating speed of variable-frequency motor adjusting test gate, be convenient to study different rotating speeds Xiamen body vibration characteristics.
3, add balancing weight by the Men Genei at gate flap and change the deadweight of door body, be convenient to study a body weight to the impact of its vibration characteristics.
4, pass through the pulling force of the back rod of gate flap in the adjustment model, be convenient to study a body rigidity to the impact of its vibration signal.
5, be convenient to fault type and degree by end pivot artificially is set, such as: monitoring bearing shell and mushroom head simulated failure have that dry grinding, mill are inclined to one side, burning into sand, crackle etc.Simulation pivot failure condition Xiamen, end running body situation, acquisition test door body each point vibration signal, the vibration characteristics of research different faults situation Xiamen body.
6, in the situation of conditions permit, can simulate the miter gate and in hydrostatic, open and close operation condition, study the impact of different depth of the water submerging opposite house body vibration characteristics.
7, experimental facilities is convenient to installing/dismounting, can carry out repeatedly simulated test.
Based on These characteristics, the present invention can be near real simulation Miter Lock Gates operation condition of (such as door weight, rotating speed, back of the body pulling force, depth of the water submerging, fault category etc.) under different condition, by gathering door body each point vibration signal, the impact of study various factors opposite house body vibration characteristics, and then layout and signal analysis and processing provides certain guidance for the vibration detection of true gate.Therefore, the present invention has important effect to miter gate's repair based on condition of component of studying based on vibration signal.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is front view of the present invention.
Fig. 2 is the partial enlarged view at A place among Fig. 1.
Fig. 3 is schematic top plan view of the present invention, the part of not shown motor.
Fig. 4 is the structural representation of bracing or strutting arrangement among the present invention.
Among the figure: pedestal 1, end pivot 2, gate flap 3, top pivot 4, drive link 5, support 6, reducer 7, shaft coupling 8, variable-frequency motor 9, balancing weight 10, end pivot base plate 11, mushroom head 12, bearing shell 13, end pivot cover 14, oil nozzle 15, gate flap base plate 16, back rod 17, adjusting screw(rod) 18, the first pull bars 19, the second pull bars 20, bearing 21, drive bearing pin 22, gate flap gusset 23, bracket base 24 drives fork 25, connecting lateral plate 26, gripper shoe 27, motor base 28, support base plate 29, top pivot sleeve 30, oil pump 31.
The specific embodiment
In Fig. 1, pivot crash simulation laboratory installation comprises gate flap 3 at the bottom of a kind of water conservancy project miter gate, is provided with for the support 6 that supports gate flap 3 in a side of gate flap 3, and support 6 bottoms are fixedly connected with pedestal 1 by fot screw.
The upper end of gate flap 3 one sides is provided with top pivot 4, and top pivot 4 is connected with support 6 by bracing or strutting arrangement, and the lower end of gate flap 3 corresponding sides is connected with end pivot 2;
Line between top pivot 4 and the end pivot 2 forms the axis of rotation of gate flap 3, and gate flap 3 also is connected with the drive unit that drives gate flap 3 rotations by driving mechanism.
In Fig. 2, in the pivot of the described end 2, mushroom head 12 forms with end pivot cover 14 and is slidingly matched, be provided with removable bearing shell 13 in the end pivot cover 14, end pivot cover 14 is fixedly connected with gate flap base plate 16, mushroom head 12 is fixedly connected with pedestal 1, and wherein mushroom head 12 is connected with end pivot base plate 11 by alignment pin, and end pivot base plate 11 is connected with pedestal 1 by bolt.By changing bearing shell 13, bearing shell 13 and mushroom head 12 simulated failures of pivot of the described end 2 have dry grinding, mill partially, burning into sand, crackle etc.
Pivot cover of the described end 14 be provided with mushroom head 12 and bearing shell 13 between the oil nozzle 15 that is communicated with of fitting face, oil nozzle 15 is connected with oil pump 31.Described oil pump 31 is manual dry oil pump.
Be provided with radial oil groove in the described bearing shell 13, described mushroom head 12 fitting face built-up welding stainless steels, not shown.
In Fig. 2, be provided with between the bonding surface of end pivot cover 14 and bearing shell 13 overlap 14 for restriction bearing shell 13 and end pivot between in relative rotation screw or bearing pin.
In Fig. 3, Fig. 4, in the described bracing or strutting arrangement, the first pull bar 19 that triangularity is arranged be connected pull bar 20 1 ends and be connected with gate flap 3 by top pivot 4, top pivot 4 and the first pull bar 19 and the second pull bar 20 are for being articulated and connected, gate flap 3 tops are provided with gate flap gusset 23, the top pivot 4 outer top pivot sleeves 30 that are provided with, gate flap gusset 23 forms interference fit with top pivot sleeve 30, provides extra reinforcement to support to give top pivot 4.
Such as Fig. 3, among Fig. 4, the other end of the first pull bar 19 and the second pull bar 20 is hinged with bracket base 24 respectively, two bracket bases 24 are fixedly connected with support 6 by connecting lateral plate 26, the first pull bar 19 and the second pull bar 20 are provided with the adjusting screw(rod) 18 of adjustable length, adjusting screw(rod) 18 is the threaded double threaded screw of two ends tool, the thread rotary orientation at two ends is opposite, double threaded screw and the first pull bar 19 and the second pull bar 20 form threaded engagement, the length that can regulate the first pull bar 19 and the second pull bar 20 by rotating adjusting screw(rod) 18, thus the top guaranteed, the verticality of the central axis of end pivot.
In Fig. 1, in the described driving mechanism, the top of gate flap 3 is provided with and drives bearing pin 22, concrete structure in this example is, the rolling bearing 21 that gate flap 3 is provided with, the inner ring of rolling bearing 21 forms interference fit with driving bearing pin 22, and drive link 5 one ends are connected with driving bearing pin 22, the other end of drive link 5 is hinged with an end that drives fork 25, drives fork 25 other ends and is connected with the drive unit that drives fork 25 rotations.
In the described drive unit, variable-frequency motor 9 is connected with reducer 7 by shaft coupling 8, and reducer 7 is fixedly connected with driving fork 25, adopts flat key to connect in this example.
In Fig. 1, the Men Genei on the described gate flap 3 is provided with movable balance weight piece 10, thereby is convenient to change the deadweight of door body, with the impact of research door body weight on its vibration characteristics.
In Fig. 1, also be provided with into the back rod 17 that " eight " font is arranged on the described gate flap 3, back rod 17 is provided with the adjusting screw(rod) 18 of adjustable length, and the back rod 17 of setting can be adjusted the internal stress of gate flap 3, is convenient to study a body rigidity or distortion to the impact of its vibration signal.
Also be provided with the sensor for detection of vibration on the described gate flap 3, not shown, with the miter gate repair based on condition of component of research based on vibration signal.
Claims (10)
1. pivot crash simulation laboratory installation at the bottom of the water conservancy project miter gate, comprise gate flap (3), it is characterized in that: the side at gate flap (3) is provided with for the support (6) that supports gate flap (3), the upper end of gate flap (3) one sides is provided with top pivot (4), top pivot (4) is connected with support (6) by bracing or strutting arrangement, and the lower end of the corresponding side of gate flap (3) is connected with end pivot (2);
Line between top pivot (4) and the end pivot (2) forms the axis of rotation of gate flap (3), and gate flap (3) also is connected with the drive unit that drives gate flap (3) rotation by driving mechanism.
2. pivot crash simulation laboratory installation at the bottom of a kind of water conservancy project miter gate according to claim 1, it is characterized in that: in the pivot of the described end (2), mushroom head (12) forms with end pivot cover (14) and is slidingly matched, be provided with removable bearing shell (13) in the end pivot cover (14), end pivot cover (14) is fixedly connected with gate flap base plate (16), and mushroom head (12) is fixedly connected with pedestal (1);
Described end pivot cover (14) be provided with mushroom head (12) and bearing shell (13) between the oil nozzle (15) that is communicated with of fitting face, oil nozzle (15) is connected with oil pump (31).
3. pivot crash simulation laboratory installation at the bottom of a kind of water conservancy project miter gate according to claim 2, it is characterized in that: described bearing shell is provided with radial oil groove in (13), described mushroom head (12) fitting face built-up welding stainless steel.
4. pivot crash simulation laboratory installation according to claim 2 or at the bottom of 3 described a kind of water conservancy project miter gates is characterized in that: be provided with between the bonding surface of Di Shutao (14) and bearing shell (13) in relative rotation screw or bearing pin between restriction bearing shell (13) and the end pivot cover (14).
5. pivot crash simulation laboratory installation at the bottom of a kind of water conservancy project miter gate according to claim 1, it is characterized in that: in the described bracing or strutting arrangement, the first pull bar (19) that triangularity is arranged and pull bar (20) one ends of being connected pass through top pivot (4) and are connected with gate flap (3), the other end of the first pull bar (19) and the second pull bar (20) is hinged with bracket base (24) respectively, two bracket bases (24) are fixedly connected with support (6) by connecting lateral plate (26), and the first pull bar (19) and the second pull bar (20) are provided with the adjusting screw(rod) (18) of adjustable length.
6. pivot crash simulation laboratory installation at the bottom of a kind of water conservancy project miter gate according to claim 1, it is characterized in that: in the described driving mechanism, the top of gate flap (3) is provided with and drives bearing pin (22), drive link (5) one ends are connected with driving bearing pin (22), the other end of drive link (5) is hinged with an end that drives fork (25), drives fork (25) other end and is connected with the drive unit that drives fork (25) rotation.
7. pivot crash simulation laboratory installation at the bottom of a kind of water conservancy project miter gate according to claim 6, it is characterized in that: in the described drive unit, variable-frequency motor (9) is connected with reducer (7) by shaft coupling (8), and reducer (7) is fixedly connected with driving fork (25).
8. pivot crash simulation laboratory installation at the bottom of a kind of water conservancy project miter gate according to claim 1, it is characterized in that: the Men Genei on the described gate flap (3) is provided with movable balance weight piece (10).
9. pivot crash simulation laboratory installation at the bottom of a kind of water conservancy project miter gate according to claim 1, it is characterized in that: also be provided with into the back rod (17) that " eight " font is arranged on the described gate flap (3), back rod (17) is provided with the adjusting screw(rod) (18) of adjustable length.
10. pivot crash simulation laboratory installation at the bottom of a kind of water conservancy project miter gate according to claim 1 is characterized in that: also be provided with the sensor for detection of vibration on the described gate flap (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210465289.5A CN102966070B (en) | 2012-11-19 | 2012-11-19 | Hydraulic miter gate bottom pivot destruction and simulation laboratory device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210465289.5A CN102966070B (en) | 2012-11-19 | 2012-11-19 | Hydraulic miter gate bottom pivot destruction and simulation laboratory device |
Publications (2)
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| CN102966070A true CN102966070A (en) | 2013-03-13 |
| CN102966070B CN102966070B (en) | 2015-02-25 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264649A (en) * | 2014-09-28 | 2015-01-07 | 湖南五凌电力工程有限公司 | Guide device for jacking miter gate of lock |
| CN104452677A (en) * | 2014-11-14 | 2015-03-25 | 长江三峡通航管理局 | Miter gate back drag rod prestress adjusting method and device |
| CN108278230A (en) * | 2017-09-30 | 2018-07-13 | 三峡大学 | A kind of hydraulic system and test method of miter gate simulator stand |
| CN108279117B (en) * | 2017-09-30 | 2019-07-26 | 三峡大学 | The secondary Wearing Simulated Test platform of miter gate bottom pivot friction |
| CN111719534A (en) * | 2020-06-19 | 2020-09-29 | 长江三峡通航管理局 | Large herringbone gate low-position top door bottom pivot overhauling system and using method |
| CN111859732A (en) * | 2020-06-18 | 2020-10-30 | 重庆交通大学 | Ship lock gate and automatic monitoring system and monitoring method for damage degree of supporting operation member thereof |
| CN117071521A (en) * | 2023-06-13 | 2023-11-17 | 重庆交通大学 | Intelligent loading test system and method for ship lock gate structure |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264649A (en) * | 2014-09-28 | 2015-01-07 | 湖南五凌电力工程有限公司 | Guide device for jacking miter gate of lock |
| CN104452677A (en) * | 2014-11-14 | 2015-03-25 | 长江三峡通航管理局 | Miter gate back drag rod prestress adjusting method and device |
| CN108278230A (en) * | 2017-09-30 | 2018-07-13 | 三峡大学 | A kind of hydraulic system and test method of miter gate simulator stand |
| CN108279117B (en) * | 2017-09-30 | 2019-07-26 | 三峡大学 | The secondary Wearing Simulated Test platform of miter gate bottom pivot friction |
| CN111859732A (en) * | 2020-06-18 | 2020-10-30 | 重庆交通大学 | Ship lock gate and automatic monitoring system and monitoring method for damage degree of supporting operation member thereof |
| CN111859732B (en) * | 2020-06-18 | 2022-09-30 | 重庆交通大学 | Ship lock gate and automatic monitoring system and monitoring method for damage degree of supporting operation member thereof |
| CN111719534A (en) * | 2020-06-19 | 2020-09-29 | 长江三峡通航管理局 | Large herringbone gate low-position top door bottom pivot overhauling system and using method |
| CN117071521A (en) * | 2023-06-13 | 2023-11-17 | 重庆交通大学 | Intelligent loading test system and method for ship lock gate structure |
| CN117071521B (en) * | 2023-06-13 | 2024-04-19 | 重庆交通大学 | Intelligent loading test system and method for ship lock gate structure |
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