CN211602381U - Ship surface bearing and releasing simulator - Google Patents
Ship surface bearing and releasing simulator Download PDFInfo
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- CN211602381U CN211602381U CN202020206802.9U CN202020206802U CN211602381U CN 211602381 U CN211602381 U CN 211602381U CN 202020206802 U CN202020206802 U CN 202020206802U CN 211602381 U CN211602381 U CN 211602381U
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Abstract
The utility model discloses a ship surface bearing and releasing simulator, which comprises a frame, a bearing releasing mechanism, a locking mechanism and an auxiliary supporting mechanism; the stand comprises a platform, a vertical frame and a bracket, wherein a pair of vertical frames are symmetrically arranged on the platform, and the bracket is connected outside the vertical frames; the bearing release mechanism comprises a supporting seat, an unloading cylinder and a bearing platform, the bearing platform is connected to the top of a piston rod of the unloading cylinder, and the unloading cylinder is arranged between two mounting seats on the platform through the supporting seat; the locking mechanism is arranged on the bracket and connected with the bearing platform so as to lock or release the bearing platform; the auxiliary supporting mechanism comprises an auxiliary supporting platform which can lift along the stand, and the auxiliary supporting mechanism is arranged on the platform and located on the opposite side of the support. The locking mechanism locks the bearing platform, the undercarriage is placed on the auxiliary supporting platform and then is pressed downwards to move onto the bearing platform, the auxiliary supporting platform retracts to reach a ship leaving preparation state, locking is released, and the piston rod drives the bearing platform to be pulled down quickly.
Description
Technical Field
The utility model belongs to the technical field of from warship extension test equipment, especially relate to a warship face bears and release analogue means.
Background
When an ejection working condition of the landing gear in the process of leaving a ship is simulated, the initial acceleration of the landing gear is required to reach 75g, the release acceleration reaches 20g, and the speed can be 22m/s, so that the cylinder is required to have sufficient speed and acceleration; currently, there is no suitable analog device. And the maximum speed of the conventional air cylinder on the market can only run for 1m/s, the acceleration is far less than 20g, and the requirement of the test device on the high speed of the air cylinder can not be met. The conventional cylinder is limited to structural deficiencies, and at high speed operation, the following problems generally occur: the cylinder running at high speed needs buffering at the stroke end so as to avoid the piston from being damaged due to serious collision with other parts, and the rubber or polyurethane seal used for buffering the conventional cylinder is not suitable for occasions with the speed of more than 5 m/s; and the high-speed cylinder needs large-flow air supply, and the conventional air port can not meet the requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a can satisfy the undercarriage from warship face of the in-process requirement of launching the operating mode of warship bear and release analogue means.
The utility model provides a ship surface bearing and releasing simulator, which comprises a frame, a bearing releasing mechanism, a locking mechanism and an auxiliary supporting mechanism; the stand comprises a platform, a vertical frame and a bracket, wherein a pair of vertical frames are symmetrically arranged on the platform, and the bracket is connected outside the vertical frames; the bearing release mechanism comprises a supporting seat, an unloading cylinder and a bearing platform, the bearing platform is connected to the top of a piston rod of the unloading cylinder, and the unloading cylinder is arranged between two mounting seats on the platform through the supporting seat; the locking mechanism is arranged on the bracket and connected with the bearing platform so as to lock or release the bearing platform; the auxiliary supporting mechanism comprises an auxiliary supporting platform which can lift along the stand, and the auxiliary supporting mechanism is arranged on the platform and located on the opposite side of the support.
The unloading cylinder comprises a cylinder barrel, a piston, an air storage chamber, an end cover, a piston rod and a connecting joint; both ends of the cylinder barrel are provided with openings, and the bottom of the cylinder barrel is externally provided with an installation flange; the piston is an annular plug with the outer diameter matched with the inner diameter of the cylinder barrel, and the piston is arranged in the cylinder barrel; the air storage chamber is an annular chamber with two open ends, the side wall of the air storage chamber is provided with an air inlet valve port, and the air storage chamber is arranged outside the top of the cylinder barrel through a flange seat and is communicated with the top end of the inner cavity of the cylinder barrel; the end cover is arranged at the top of the air storage chamber; the piston rod is a circular tube penetrating through the piston, a buffer pressing block is fixedly connected in the shaft hole of the piston rod and matched with the piston to divide the inner cavity of the cylinder barrel into a sealing cavity and a through cavity, an outward-expanded flange is arranged at the bottom end of the piston rod, and the top end of the piston rod extends out of the end cover; the connecting joint is assembled on the top of the piston rod.
A coaxially arranged ring plate is fixedly connected in the cylinder barrel, and a piston buffer is arranged in the ring plate; and the platform is provided with a piston rod buffer which can extend into the piston rod.
The piston buffer and the piston rod buffer are both hydraulic buffers.
The upper surface of the bearing platform is a plane, lock hooks are arranged on two sides of the bearing platform, and the bottom surface of the bearing platform is fixedly connected to the connecting joint; the supporting seat is a flange seat, and the unloading cylinder is connected to the supporting seat through a mounting flange outside the cylinder barrel.
The locking mechanism comprises an electromagnetic clutch, a commutator and an eccentric wheel, and a locking groove for hanging the locking hook is formed in the eccentric wheel; the electromagnetic clutch is assembled on the support, the pair of commutators are respectively arranged on the support and positioned on two sides of the electromagnetic clutch, the eccentric wheel is arranged on the top of the vertical frame through a wheel seat, one end of the commutators is connected with the electromagnetic clutch, and the other end of the commutators is connected with a wheel shaft of the eccentric wheel through a coupling.
And a reset cylinder is arranged between the eccentric wheel corresponding to the side wheel shaft of the coupler and the vertical frame.
The auxiliary supporting mechanism also comprises a fixed seat, a motor, a screw rod lifter and a linear guide rail; the screw rod lifter is arranged in the fixed seat, the motor drives the screw rod lifter to work, a screw rod of the screw rod lifter is connected with the auxiliary supporting platform, sliding blocks are arranged on two sides of the auxiliary supporting platform, and the sliding blocks are clamped in the linear guide rails; the auxiliary supporting mechanism is installed on the platform through a fixed seat, and the linear guide rail is connected outside the vertical frame.
The platform is an assembled rectangular platform and comprises a bottom beam, a bedplate, an annular flange plate, a rectangular flange plate and a square flange plate, wherein the annular flange plate, the rectangular flange plate and the square flange plate are connected to the bedplate; all the bottom beams are arranged in parallel; the bedplate is rectangular plate, and its center is equipped with the round hole that is used for installing annular flange board, and the length direction both ends are equipped with a pair of rectangular hole about round hole symmetrical arrangement and are used for installing rectangular flange board, and its width direction one side is equipped with the through-hole and is used for installing square flange board, and the bedplate rigid coupling is on the floorbar.
The utility model discloses when experimental, control auxiliary stay platform rises to the assigned position, secondly the piston rod of control uninstallation cylinder goes upward with load platform jacking to with auxiliary stay platform parallel and level, then control locking mechanism work locking load platform, place the undercarriage of test on auxiliary stay platform after that, make the undercarriage push down remove to the load platform on, control auxiliary stay platform descends the withdrawal, reach from the warship state of preparation, treat that the undercarriage compresses when meeting the assigned requirement, locking mechanism work removes the locking to the load platform, the piston rod drives the quick drop-down of load platform, accomplish one and bear, the simulation of release process. And finally, controlling the auxiliary supporting platform to ascend to a designated position, controlling a piston rod of the unloading cylinder to ascend to lift the bearing platform to be flush with the auxiliary supporting platform, and controlling the locking mechanism to work to lock the bearing platform, so that the next test can be carried out. The simulation of the test process can be well completed.
Drawings
Fig. 1 is a perspective view of a preferred embodiment of the present invention.
Fig. 2 is an enlarged left-view illustration of fig. 1.
Fig. 3 is an enlarged schematic axial view of the platform in the preferred embodiment.
Fig. 4 is an enlarged schematic diagram of the axis of the load release mechanism in the preferred embodiment.
Fig. 5 is a schematic enlarged sectional view of the load release mechanism in the preferred embodiment.
Fig. 6 is an enlarged schematic axial view of the eccentric wheel and the wheel base in the preferred embodiment.
Fig. 7 is an enlarged schematic axial view of the auxiliary support mechanism in the preferred embodiment.
Fig. 8 is a side enlarged schematic view of the auxiliary supporting mechanism in the preferred embodiment.
Fig. 9-12 are schematic views of the piston and piston rod states in the unloading cylinder during the test of the preferred embodiment.
Sequence numbers of the drawings:
1-a machine frame,
11-platform, 111-bottom beam, 112-bedplate, 113-annular flange plate, 114-rectangular flange plate, 115-square flange plate,
12-a vertical frame, wherein the vertical frame is provided with a plurality of vertical frames,
13-a scaffold;
2-a load-bearing release mechanism,
21-a support base, wherein the support base is provided with a support base,
22-unloading cylinder, 221-cylinder barrel, 222-piston, 223-air storage chamber, 224-end cover, 225-piston rod, 226-connecting joint, 227-mounting flange,
23-bearing platform, 231-locking hook;
3-a locking mechanism is arranged on the upper portion of the frame,
31-an electromagnetic clutch, 32-a commutator, 33-an eccentric wheel, 331-a locking groove, 34-a wheel seat, 35-a coupler, 36-an ear plate and 37-a shaft sleeve;
4-auxiliary supporting mechanism, 41-auxiliary supporting platform, 42-fixing seat, 43-motor, 44-screw rod lifter, 45-linear guide rail, 46-slide block;
5-a piston damper; 6-piston rod buffer; 7-a reset cylinder; 8-undercarriage.
Detailed Description
As shown in fig. 1 and fig. 2, the ship surface bearing and releasing simulator disclosed in this embodiment includes a frame 1, a bearing releasing mechanism 2, a locking mechanism 3, and an auxiliary supporting mechanism 4.
The frame 1 comprises a platform 11, a stand 12 and a support 13. As shown in fig. 3, the platform 11 is a fabricated rectangular platform, and includes a bottom beam 111, a bedplate 112, an annular flange plate 113, a rectangular flange plate 114, and a square flange plate 115; all the bottom beams are arranged in parallel; the bedplate is a rectangular plate fixedly connected to the bottom beam, a round hole is formed in the center of the rectangular plate, a pair of rectangular holes symmetrically arranged around the round hole are formed in the two ends in the length direction, and a through hole is formed in one side in the width direction of the rectangular plate; the annular flange plate is arranged at the position of the circular hole on the bedplate and is used for installing the bearing release mechanism 2; the rectangular flange plate is arranged at the position of the rectangular hole on the bedplate and used for installing the vertical frame 12; the square flange plate is arranged at the position of the through hole on the bedplate and is used for installing the auxiliary supporting mechanism 4. A pair of vertical frames 12 are fastened on the rectangular flange plate through bolts and corresponding nuts, and a support 13 is installed on one side of the two vertical frames.
As shown in fig. 4 and 5, the load-bearing release mechanism 2 includes a support base 21, an unloading cylinder 22 and a force-bearing platform 23. The supporting seat 21 is a flange seat, and includes a hollow seat main body and flange plates respectively disposed at two ends of the seat main body, the flange plate at the bottom is connected to the annular flange plate 113, and the flange plate at the top is used for mounting the unloading cylinder 22. The unloading cylinder 22 comprises a cylinder barrel 221, a piston 222, an air storage chamber 223, an end cover 224, a piston rod 225 and a connecting joint 226; the cylinder barrel is a cylinder with two open ends, and the bottom of the cylinder barrel is externally provided with an installation flange 227 for assembling with the supporting seat; the piston 222 is an annular plug with the outer diameter matched with the inner diameter of the cylinder barrel, and is arranged in the cylinder barrel and can axially slide along the cylinder barrel; the air storage chamber 223 is an annular chamber with two open ends, the side wall of the air storage chamber is provided with an air inlet valve port, the air storage chamber is arranged outside the top of the cylinder barrel through a flange seat, the bottom port is hermetically connected with the outer wall of the cylinder barrel, and the inner cavity is communicated with the top end of the inner cavity of the cylinder barrel; the end cap 224 is arranged at the top of the air storage chamber; the piston rod is a circular tube penetrating through the piston, a buffer pressing block is fixedly connected in the shaft hole of the piston rod and matched with the piston to divide the inner cavity of the cylinder barrel into a sealing cavity and a through cavity, an outward-expanded flange is arranged at the bottom end of the piston rod, and the top end of the piston rod extends to the outside of the end cover and is matched with a top opening of the end cover to seal the air storage chamber; the connector 226 is mounted on the top of the piston rod for mounting the bearing platform 23. The upper surface of the force bearing platform 23 is a plane, and two sides of the plane are provided with lock hooks 231. The high-pressure gas is injected into the gas storage chamber 223 to compress the gas in the gas storage chamber in an ascending mode through the piston and the piston rod of the high-pressure gas so as to provide enough high pressure, the dead weight of the matched bearing part can ensure that the initial acceleration of the downward pulling meets the requirement of the working condition, namely the downward acceleration of the bearing platform is greater than the ejection acceleration of the undercarriage, the stroke of the cylinder is limited, therefore, the piston rod is required to be gradually decelerated and stopped after going down to a certain position so as to prevent the bearing platform from rebounding and secondarily impacting the undercarriage, a ring plate is arranged in the cylinder, a pair of piston buffers 5 are embedded in the ring plate, a piston rod buffer 6 is arranged in an annular flange plate 113 on the platform 11, the piston rod is decelerated and stopped through each buffer. Meanwhile, the bearing platform 23 can stably bear and design the matched locking mechanism 3.
As shown in fig. 1, the lock mechanism 3 includes an electromagnetic clutch 31, a commutator 32, and an eccentric wheel 33. The electromagnetic clutch 31 is a normally open jaw electromagnetic clutch and is mounted in the middle of the bracket. The commutator 32 is a bevel gear commutator, and a pair of commutators are respectively arranged on the bracket and positioned at two sides of the electromagnetic clutch. The pair of eccentric wheels are respectively arranged on the top of the vertical frame through a wheel seat 34, one end of the commutator is connected with the electromagnetic clutch, and the other end of the commutator is connected with a wheel shaft of the eccentric wheel through a coupling 35. As shown in fig. 6, a wheel body of the eccentric wheel 33 is provided with a locking groove 331 matched with a locking hook on a bearing platform, a wheel seat 34 is provided with a pair of ear plates 36, two ends of a wheel shaft of the eccentric wheel respectively penetrate through the ear plates, one end of the wheel shaft is sleeved with a shaft sleeve 37, and the other end of the wheel shaft is connected with a coupler. And a reset cylinder 7 is arranged between the wheel shaft of the eccentric wheel of the section 35 of the coupling and the bracket so that the eccentric shaft is reset after deflection. When the electromagnetic clutch works, the force bearing platform is hung on the eccentric wheel on the corresponding side by the hooks on the two sides of the force bearing platform to generate eccentric torque, and the eccentric torque on the two sides is transmitted to the electromagnetic clutch for locking through the two bevel gear commutators; the supporting force of the supporting platform is released instantly by controlling the on-off of the clutch, and the supporting platform is pulled down quickly by the high-pressure high-speed cylinder to simulate the actual protruding state of the undercarriage.
As shown in fig. 1 and 2, the auxiliary supporting mechanism 4 is installed on a rectangular flange plate of a platform so as to meet the bearing and releasing requirements of a pillar type undercarriage and a rocker arm type undercarriage in a ship-off projecting test and ensure the requirement that the maximum course displacement of wheels of various types of undercarriage is 300 mm. As shown in fig. 7 and 8, the auxiliary supporting mechanism 4 includes an auxiliary supporting platform 41, a fixing base 42, a motor 43, a screw rod lifter 44, and a linear guide 45. The fixing base is assembled on the rectangular flange plate, the screw rod lifter is installed in the fixing base, the motor drives the screw rod lifter to work, a screw rod of the screw rod lifter is connected with the auxiliary supporting platform, the sliding blocks 46 are arranged on two sides of the auxiliary supporting platform and clamped in the linear guide rails, and the linear guide rails are connected outside the vertical frame. When the auxiliary support platform 41 is used, the motor drives the screw rod lifter to work and control the auxiliary support platform to lift along the linear guide rail.
When the utility model is used for testing, firstly, the motor is started to control the auxiliary supporting platform to ascend to a designated position; secondly, charging air into the sealing cavity of the unloading cylinder, wherein the through cavity is communicated with the atmosphere all the time; then the piston is controlled to ascend to compress the air in the sealing cavity until the force bearing platform rises to be flush with the auxiliary supporting platform; then starting the electromagnetic clutch, and locking the force bearing platform by the eccentric wheel; then the tested undercarriage 8 is placed on the auxiliary supporting platform, and the undercarriage is pressed downwards and moves to the bearing platform; the motor is controlled to work, the force bearing platform is assisted to fall back, the piston rod retracts to reach a ship leaving preparation state, when the undercarriage is compressed to meet the specified requirement, the electromagnetic clutch is disconnected, the eccentric wheel is in contact with the force bearing platform to be locked, and high-pressure gas in the sealing cavity drives the piston rod to rapidly pull down the force bearing platform to complete unloading simulation. In the process, each component state in the cylinder is unloaded, as shown in fig. 9-12, in an initial state, the force bearing platform is locked by the eccentric wheel, the downward initial acceleration is determined by the dead weight of the piston rod and the force bearing platform and the pulling force of the cylinder, the piston descends at a constant speed until the piston is in contact with the piston buffer, at the moment, the piston is separated from the piston rod, the piston stops buffering, the piston rod continues to fall freely, and the piston rod decelerates to be completely stopped when being in contact with the piston rod buffer. After one action process is finished, the lifter jacks the force bearing platform to an initial position, the reset device resets the eccentric wheel, and the electromagnetic clutch is electrically locked to carry out the next test; the simulation is completed.
Claims (9)
1. The utility model provides a warship face bears and releases analogue means which characterized in that: the device comprises a frame, a bearing release mechanism, a locking mechanism and an auxiliary supporting mechanism;
the stand comprises a platform, a vertical frame and a bracket, wherein a pair of vertical frames are symmetrically arranged on the platform, and the bracket is connected outside the vertical frames;
the bearing release mechanism comprises a supporting seat, an unloading cylinder and a bearing platform, the bearing platform is connected to the top of a piston rod of the unloading cylinder, and the unloading cylinder is arranged between two mounting seats on the platform through the supporting seat;
the locking mechanism is arranged on the bracket and connected with the bearing platform so as to lock or release the bearing platform;
the auxiliary supporting mechanism comprises an auxiliary supporting platform which can lift along the stand, and the auxiliary supporting mechanism is arranged on the platform and located on the opposite side of the support.
2. The warship surface loading and release simulator of claim 1, wherein: the unloading cylinder comprises a cylinder barrel, a piston, an air storage chamber, an end cover, a piston rod and a connecting joint; both ends of the cylinder barrel are provided with openings, and the bottom of the cylinder barrel is externally provided with an installation flange; the piston is an annular plug with the outer diameter matched with the inner diameter of the cylinder barrel, and the piston is arranged in the cylinder barrel; the air storage chamber is an annular chamber with two open ends, the side wall of the air storage chamber is provided with an air inlet valve port, and the air storage chamber is arranged outside the top of the cylinder barrel through a flange seat and is communicated with the top end of the inner cavity of the cylinder barrel; the end cover is arranged at the top of the air storage chamber; the piston rod is a circular tube penetrating through the piston, a buffer pressing block is fixedly connected in the shaft hole of the piston rod and matched with the piston to divide the inner cavity of the cylinder barrel into a sealing cavity and a through cavity, an outward-expanded flange is arranged at the bottom end of the piston rod, and the top end of the piston rod extends out of the end cover; the connecting joint is assembled on the top of the piston rod.
3. The warship surface loading and release simulator of claim 2, wherein: a coaxially arranged ring plate is fixedly connected in the cylinder barrel, and a piston buffer is arranged in the ring plate; and the platform is provided with a piston rod buffer which can extend into the piston rod.
4. The warship surface loading and release simulator of claim 3, wherein: the piston buffer and the piston rod buffer are both hydraulic buffers.
5. The warship surface loading and release simulator of claim 2, wherein: the upper surface of the bearing platform is a plane, lock hooks are arranged on two sides of the bearing platform, and the bottom surface of the bearing platform is fixedly connected to the connecting joint; the supporting seat is a flange seat, and the unloading cylinder is connected to the supporting seat through a mounting flange outside the cylinder barrel.
6. The warship surface loading and release simulator of claim 5, wherein: the locking mechanism comprises an electromagnetic clutch, a commutator and an eccentric wheel, and a locking groove for hanging the locking hook is formed in the eccentric wheel; the electromagnetic clutch is assembled on the support, the pair of commutators are respectively arranged on the support and positioned on two sides of the electromagnetic clutch, the eccentric wheel is arranged on the top of the vertical frame through a wheel seat, one end of the commutators is connected with the electromagnetic clutch, and the other end of the commutators is connected with a wheel shaft of the eccentric wheel through a coupling.
7. The warship surface loading and release simulator of claim 6, wherein: and a reset cylinder is arranged between the eccentric wheel corresponding to the side wheel shaft of the coupler and the vertical frame.
8. The warship surface loading and release simulator of claim 1, wherein: the auxiliary supporting mechanism also comprises a fixed seat, a motor, a screw rod lifter and a linear guide rail; the screw rod lifter is arranged in the fixed seat, the motor drives the screw rod lifter to work, a screw rod of the screw rod lifter is connected with the auxiliary supporting platform, sliding blocks are arranged on two sides of the auxiliary supporting platform, and the sliding blocks are clamped in the linear guide rails; the auxiliary supporting mechanism is installed on the platform through a fixed seat, and the linear guide rail is connected outside the vertical frame.
9. The warship surface loading and release simulator of claim 1, wherein: the platform is an assembled rectangular platform and comprises a bottom beam, a bedplate, an annular flange plate, a rectangular flange plate and a square flange plate, wherein the annular flange plate, the rectangular flange plate and the square flange plate are connected to the bedplate; all the bottom beams are arranged in parallel; the bedplate is rectangular plate, and its center is equipped with the round hole that is used for installing annular flange board, and the length direction both ends are equipped with a pair of rectangular hole about round hole symmetrical arrangement and are used for installing rectangular flange board, and its width direction one side is equipped with the through-hole and is used for installing square flange board, and the bedplate rigid coupling is on the floorbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020206802.9U CN211602381U (en) | 2020-02-25 | 2020-02-25 | Ship surface bearing and releasing simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020206802.9U CN211602381U (en) | 2020-02-25 | 2020-02-25 | Ship surface bearing and releasing simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211602381U true CN211602381U (en) | 2020-09-29 |
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ID=72581548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020206802.9U Active CN211602381U (en) | 2020-02-25 | 2020-02-25 | Ship surface bearing and releasing simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211602381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116946387A (en) * | 2023-09-19 | 2023-10-27 | 中国飞机强度研究所 | Aircraft main landing gear off-ship simulated loading device and simulated loading test method |
-
2020
- 2020-02-25 CN CN202020206802.9U patent/CN211602381U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116946387A (en) * | 2023-09-19 | 2023-10-27 | 中国飞机强度研究所 | Aircraft main landing gear off-ship simulated loading device and simulated loading test method |
| CN116946387B (en) * | 2023-09-19 | 2023-12-12 | 中国飞机强度研究所 | Aircraft main landing gear off-ship simulated loading device and simulated loading test method |
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| GR01 | Patent grant | ||
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Denomination of utility model: Ship surface load and release simulation device Effective date of registration: 20211215 Granted publication date: 20200929 Pledgee: Changsha Yuelu sub branch of China Everbright Bank Co.,Ltd. Pledgor: Changsha Tianying Aviation Equipment Co., Ltd Registration number: Y2021430000093 |