CN204623760U - A kind of trailing type pneumatically operated brake - Google Patents
A kind of trailing type pneumatically operated brake Download PDFInfo
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- CN204623760U CN204623760U CN201520361835.XU CN201520361835U CN204623760U CN 204623760 U CN204623760 U CN 204623760U CN 201520361835 U CN201520361835 U CN 201520361835U CN 204623760 U CN204623760 U CN 204623760U
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Abstract
The utility model discloses a kind of trailing type pneumatically operated brake, comprise: be located at the brake linear electric motors on cross beam frame, be positioned at the brake slide braked on linear electric motors, vertical activity is located in brake activity post, the lift drive mechanism of driving brake activity post lifting and the chuck of connection brake activity post lower end in brake slide; Described brake linear electric motors are provided with brake motor displacement pickup, and described brake linear electric motors have braking mechanism.The utility model has to follow ship model longitudinal movement function and have and overcomes ship model brake impulsive force, brake rapidly and the advantage such as gripping power is strong.
Description
Technical field
The utility model belongs to boats and ships technical field of measurement and test, relates to a kind of system of testing the heave of ship model in wave, pitching, resistance, surging and rolling and testing seaworthiness performance, particularly relates to the ship model brake gear in test macro.
Background technology
Along with the development of shipping technology is innovated, improve the important means that ship performance accuracy of the forecast is ship type development, and the precision of model experiment directly affects ship performance accuracy of the forecast, boats and ships move in stormy waves, increase the precision that the test technology of resistance, stall and propulsion quality etc. directly has influence on model experiment, are ship performance forecast important evidence.
Current wavegoing model test test equipment adopts the mode of manually carrying out start-stop control to carry out substantially, accuracy for ship model test data has certain influence, in hydrostatic model experiment, ship model brake adopts air operated control principle, directly air operated control is adopted for rough-water test, then need the volume of cylinder large, equipment volume design can not meet requirement.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of trailing type pneumatically operated brake, to overcome the deficiency that prior art exists.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of trailing type pneumatically operated brake, the test linear electric motors motion of seaworthiness proving installation can be followed, described test linear electric motors are provided with testing of electric motors displacement pickup, it is characterized in that, comprise: be located at the brake linear electric motors on cross beam frame, be positioned at the brake slide braked on linear electric motors, vertical activity is located in brake activity post, the lift drive mechanism of driving brake activity post lifting and the chuck of connection brake activity post lower end in brake slide; Described brake linear electric motors are provided with brake motor displacement pickup, and described brake linear electric motors have braking mechanism;
Also include testing and control assembly, described testing of electric motors displacement pickup and described brake motor displacement pickup are all connected with described testing and control assembly; Described testing and control assembly also connects the electromagnetic valve of the testing of electric motors actuator of described test linear electric motors, the brake motor actuator of described brake linear electric motors, the electromagnetic valve of described braking mechanism and described chuck.
Described lift drive mechanism is formed by being located at the drive motor of brake activity capital end, the screw mandrel being provided with brake activity post side and the nut be fixed on brake slide; Described screw mandrel is located in described nut, and top connects described drive motor.
Described chuck is pneumatic chuck, comprise be connected to brake activity post lower end permanent seat, by air cylinder driven and the movable block be positioned at below permanent seat and a pair clamping plate be positioned at below movable block; Described movable block have a pair symmetry and the guiding perforation of arranging in " Y " type; The front and rear end of described permanent seat is also separately installed with vertical chute, is also separately installed with vertical guide in the front and rear end of movable block, and described vertical guide is positioned at described vertical chute; The back of every block clamping plate connects support by a pair stay bearing plate, a pair stay bearing plate extends upwardly to the left and right end face of described permanent seat, the upper end of described stay bearing plate is connected with guiding slide, the left and right end face of described permanent seat is provided with cross slide way, described guiding slide is arranged on horizontal slide rail, the top position being positioned at clamping plate between a pair stay bearing plate is connected with brake axle, and described brake axle is arranged in the perforation of described guiding.
Described guiding perforation is connected and composed by vertical elongated hole and oblique elongated hole, and the lower end of described oblique elongated hole connects the upper end of described vertical elongated hole, and the upper end of described oblique elongated hole is positioned at the oblique upper in the outside of vertical elongated hole.
The left and right side of described brake activity post lower end also adds brace panel respectively, and described brace panel bottom has a pair right angle incision, and described right angle incision is just in time adaptive with the square apex angle of the inner top side of described stay bearing plate.
Described cross beam frame comprises test cross beam frame and brake cross beam frame, and described seaworthiness proving installation is positioned on described test cross beam frame, and described trailing type pneumatically operated brake is positioned on described brake cross beam frame.
There is outside described test cross beam frame test horizontal raster chi, there is outside described brake cross beam frame brake horizontal raster chi; Described testing of electric motors displacement pickup and brake motor displacement pickup are grating scale read head.
Described brake activity post side all has the slide that to brake described in vertical guide and all has guide groove, and described vertical guide is engaged in described guide groove.
Adopt technique scheme, the utility model overcomes ship model start-stop in wavegoing model test can produce the problem of larger impulsive force in controlling, by the test error that machinery and pneumatic mode solution human element cause, be more convenient for operation and use, improving the measuring accuracy of wavegoing model test.The utility model also utilizes the perpendicular movement of track clamp and air cylinder to drive movable block up-and-down movement, and clamping plate clamp the brake frame on ship model under the guiding of movable block, and its advantage is:
1, brake adopts air-operated solenoid valve control the clamping of track clamp and unclamp and brake closed or open, and opening time just can complete rapidly within 0.1s;
2,4 MK-2501-A open type track clamps, have power down auto-lock function, maximum latching force can reach 1.5 tons;
3, brake adopts the spacing and power down auto-lock function of mechanical type clamping;
4, Y type guiding brake design principle, controls whole brake travel in conjunction with cylinder, utilizes theory of machines more effectively can control the impulsive force that in ship model start-stop, acceleration/accel produces when braking and clamping;
5, by the movable block of mechanical position limitation pattern, the spacing of a pair clamping plate can be controlled better, under the prerequisite not affecting ship model heave and pitching, effectively control ship model;
6, brake system has and follows ship model longitudinal movement function.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail:
Fig. 1 is the test view stereo structural representation of seaworthiness tester;
Fig. 2 is the brake view stereo structural representation of seaworthiness tester;
Fig. 3 is the structural representation of measuring head;
Fig. 4 is the structural representation of chuck;
Fig. 5 is the structural representation of movable block;
Fig. 6 is the chuck structure schematic diagram installing brace panel additional;
Fig. 7 is the connection diagram of testing and control part;
Fig. 8 is the birds-eye view that the utility model is applied in seaworthiness test macro;
Fig. 9 is the front elevation that the utility model is applied in seaworthiness test macro;
Figure 10 is the lateral plan that the utility model is applied in seaworthiness test macro;
Detailed description of the invention
As depicted in figs. 1 and 2, seaworthiness tester 300 comprises a pair column support 310, test cross beam frame 320, brake cross beam frame 330, seaworthiness proving installation 340 and trailing type pneumatically operated brake 350.
Wherein, a pair column support 310 apportion both sides, test cross beam frame 320 and brake cross beam frame 330 are arranged between a pair column support 310 top, and test cross beam frame 320 is positioned at the below of brake cross beam frame 330, and test cross beam frame 320 and the cross beam frame 330 that brakes are formed by the crossbeam 801 at pair of parallel interval.
Seaworthiness proving installation 340 comprises test linear electric motors 3410, test slide 3420, test activity post 3430 and measuring head 3440.
Test linear electric motors 3410 are arranged on test cross beam frame 320, and test slide 3420 is arranged on again on test linear electric motors 3410.Test slide 3420 can carry out motion of translation along test cross beam frame 320 under test linear electric motors 3410 drive.Test slide 3420 is provided with the middle test guide holder 3421 with through hole, and the both sides inwall of through hole has guide groove.Test activity post 3430 both sides outer wall is provided with vertical guide 3431.This test activity post 3430 is arranged in the through hole of test guide holder 3421 vertically, and its lower end passes from the below of test cross beam frame 320, and upper end upwards extends.The vertical guide 3431 of test activity post 3430 is engaged in the guide groove of through hole, and this test activity post 3430 can up-and-down movement under the constraint of guide groove and vertical guide 3431.Test activity post 3430 another side is also provided with vertical grating scale 3432.On test guide holder 3421, the position of corresponding vertical grating scale is provided with lifting displacement pickup, and this lifting displacement pickup is grating scale read head.
Test linear electric motors 3410 by two elementary and be positioned at two elementary on four secondaryly to form, two elementary double test slide rails 3411 that do are arranged on two crossbeams of test cross beam frame 320 respectively, four secondary lay respectively at four drift angles bottom test slide 3420 double be made in elementary on test shoes 3412.Certainly, also can be secondaryly double as slide rail, elementaryly double as shoes.
In addition, the cross rail outer of test cross beam frame 320 is also provided with test horizontal raster chi 3413, the position of test slide 3420 side correspondence test horizontal raster chi 3413 is provided with testing of electric motors displacement pickup 3422, and testing of electric motors displacement pickup is also grating scale read head.
Shown in composition graphs 3, measuring head 3440 is connected to the lower end of test activity post 3430, comprises sensor fixation plate 3433, adapter plate 3441, connecting panel 3442, resistive force sensor 3443, pitching sensor 3444 and rolling sensor 3445.Wherein, the upper end of resistive force sensor 3443 is connected with the sensor fixation plate 3433 under test activity post 3430, the lower end of resistive force sensor 3443 is connected with adapter plate 3441, and pitching sensor 3444 and rolling sensor 3445 are connected in turn between adapter plate 3441 and connecting panel 3442.
Particularly, resistive force sensor 3443 is that conventional list divides force snesor, and being arranged between sensor fixation plate 3433 under test activity post 3430 and adapter plate 3441, is be exclusively used in the force transducer measuring ship model X-direction power (i.e. working direction power).Pitching sensor 3444 and rolling sensor 3444 are digital regulation resistance, are connected on the center cross between adapter plate 3441 and connecting panel 3442 by elastic coupling, obtain vertical roll angle signal by the waving of two axles of measuring in center cross.
Again as depicted in figs. 1 and 2, trailing type pneumatically operated brake 350 comprises brake linear electric motors 3510, brake slide 3520, brake activity post 3530 and chuck 3540.
Wherein, brake linear electric motors 3510 are arranged on brake cross beam frame 330, and brake slide 3520 is arranged on again on brake linear electric motors 3510.Brake slide 3520 can carry out motion of translation along brake cross beam frame 330 under brake linear electric motors 3510 drive.Brake slide 3520 is provided with the brake guide holder 3521 of middle with hole, and the both sides inwall of through hole has guide groove.The both sides outer wall of brake activity post 3530 is provided with vertical guide 3531.This brake activity post 3530 is arranged in the through hole of test guide holder 3521 vertically, and vertical guide 3531 coordinates with guide groove.The lower end of brake activity post 3530 passes from the gap of brake cross beam frame 330, test cross beam frame 320, and be connected with chuck 3540, upper end upwards extends.The upper end of brake activity post 3530 is provided with a drive motor 3550.Be provided with a screw mandrel 3551 in the side of test activity post 3530, this screw mandrel 3551 upper end is connected with drive motor 3550.Brake slide 3530 also has nut 3524, and screw mandrel 3551, through nut 3524, engages with nut 3524.Under the driving of drive motor 3550 and by the transmission of leading screw and nut mechanism, brake activity post 3530 can drive chuck 3540 to carry out rising or declining, thus the ship model of corresponding different large small size makes chuck 3540 adjust to applicable height.
Brake linear electric motors 3510 also elementary by two and be positioned at two elementary on four secondaryly to form, two elementary double brake slide rails 3511 that do are arranged on two crossbeams of brake cross beam frame 330 respectively, four secondary be arranged on respectively four drift angles bottom brake slide 3520 double be made in elementary on brake shoes 3512.Equally, also can be secondaryly double as slide rail, elementaryly double as shoes.
In addition, the cross rail outer of brake cross beam frame 330 is yet provided with brake horizontal raster chi 3513, brake slide 3520 side installs braking mechanism and brake motor displacement pickup 3523, braking mechanism is the position that correspondence is arranged on brake slide rail 3511, and brake motor displacement pickup correspondence is arranged on the position of brake horizontal raster chi 3513.
As shown in Figure 4, chuck 3540 comprises permanent seat 601, movable block 602, a pair clamping plate, 603, four pieces of stay bearing plates 604, two pieces of bosses and cylinders.
Wherein, permanent seat 601 is connected to the lower end of brake activity post 3530, and movable block 602 is positioned at the below of permanent seat 601, and cylinder is hidden and is arranged on brake activity post 3530 inside, and its piston rod stretches out downwards from permanent seat 601, is connected with movable block 602.Under the driving of cylinder 606, movable block 602 can up-and-down movement.For ensureing that movable block 602 up-and-down movement is steady, be also separately installed with vertical chute 607 in the front and rear end of permanent seat 601, be also separately installed with vertical guide 608 in the front and rear end of movable block 602, vertical guide 608 is positioned at vertical chute 607.
The left and right side of movable block 602 offers a pair symmetry and the guiding perforation 620 of arranging in " Y " type.Particularly, as shown in Figure 5, this guiding perforation 620 comprises vertical elongated hole 621 and oblique elongated hole 622 connects and composes, and the lower end of this oblique elongated hole 622 connects the upper end of vertical elongated hole 621, and the upper end of oblique elongated hole 622 is positioned at the oblique upper in the outside of vertical elongated hole 621.
Again shown in Fig. 4, a pair clamping plate 603 is positioned at the below of movable block 602.It is two right that four pieces of stay bearing plates 604 are divided into, the back of every block clamping plate 603 is supported by a pair leg-of-mutton stay bearing plate 604, stay bearing plate 604 extends upwardly to the left and right end face of permanent seat 601, its upper end is connected with guiding slide 609, the left and right end face of permanent seat 601 is also provided with cross slide way 610, and guiding slide 609 is arranged on horizontal slide rail 610.Between a pair stay bearing plate 604, be positioned at the upper of clamping plate 603 installed brake axle 611, this brake axle 611 is arranged in guiding perforation 620.
The mode of operation of this chuck 3540 is: when brake axle 611 is arranged in vertical elongated hole 621, and the distance between a pair clamping plate 603 is minimum, and chuck is in clamped condition.When air cylinder driven movable block 602 moves downward, guiding perforation 620 on it also can move downward, when moving to after oblique elongated hole 622 contacts with brake axle 611, oblique elongated hole 622 can force brake axle 611 to move obliquely upward, until move to the upper end of oblique elongated hole 622, such brake axle 611 just drives stay bearing plate 604, and stay bearing plate 604 and then drive clamping plate 603 move in outward direction, and a pair clamping plate 603 is opened.Otherwise, when cylinder 603 drives movable block 602 upward movement, a pair clamping plate 603 can be ordered about and do pinching action.
In addition, as shown in Figure 6, two pieces of brace panels 605 are installed on the left and right side of brake activity post 3530 lower end, and this brace panel 605 bottom has a pair right angle incision 651, this right angle incision 651 just in time with the adaptation of the inner top side square apex angle 641 of stay bearing plate 604.Like this, when chuck clamps, the square apex angle 641 of the inner top side of stay bearing plate 604 is just in time arranged in the right angle incision 651 of brace panel 605, fix by right angle incision 651, play stay bearing plate 604 further supporting role, improve the gripping power of chuck.
Again as depicted in figs. 1 and 2, test the two ends of cross beam frame 320, the brake two ends of cross beam frame 330, the upper end of test activity post 3430, the upper end of brake activity post 3530 be also respectively equipped with crashproof limiting device 802.
Shown in composition graphs 7, seaworthiness test macro, also include testing and control part, this testing and control part comprises the testing and control assembly 900 be made up of computing machine 901, signal acquisition process equipment 902 and controller 903, resistive force sensor 3443, pitching sensor 3444 and rolling sensor 3445 are connected respectively to signal acquisition process equipment 902.Test linear electric motors 3410 and testing of electric motors displacement pickup 905 connecting test motor driver 907 respectively, brake linear electric motors 3510 are connected brake motor actuator 908 respectively with brake motor displacement pickup 905.Lifting displacement pickup 904, testing of electric motors actuator 907, brake motor actuator 908 distinguish connection control device 903 again; Signal acquisition process equipment 902 is connected with computing machine 901 all with controller 903 again.Controller 903 is also connected with the electromagnetic valve of track clamp with the electromagnetic valve of cylinder respectively.
During test, computing machine 901 obtains the resistance signal in wave of ship model, pitching signal and rolling signal and and then process acquisition wave drag data, pitching data and rolling signal respectively by signal acquisition process equipment 902.Computing machine 901 can also obtain lifting displacement data, testing of electric motors displacement data and brake motor displacement data by controller 903, and can be worked by controller 903, testing of electric motors actuator 907 and brake motor actuator 908 control test linear electric motors 3410 and brake linear electric motors 3510.
Test linear electric motors 3410 and brake linear electric motors 310 all have two kinds of live line work states, and one is free state, and one is enabled state.Free state refer to linear electric motors secondary hover over elementary on, both there is no friction drag between primary and secondary, there is no that drive force is elementary to be moved on secondary yet, make secondary be positioned at elementary on be in the state that horizontal direction do not stress; Enabled state refer to drive secondary on elementary horizontal motion.
As seen in figs. 8-10, boats and ships of the present utility model are fitted tester 300 and are applied in seaworthiness test macro, and seaworthiness test macro also comprises pond 100, are located at the main orbit 200 of both sides, pond, are located at the trailer 400 on main orbit 200.Seaworthiness tester 300 is arranged on trailer 400.Trailer 400 moves along main orbit 200 for drawing seaworthiness tester 300.
When testing, ship model 10 is connected to the below of seaworthiness tester 300, by the dragging of trailer 400, drives ship model 10 to navigate by water at the wavy water surface 101 of the simulation in pond 100 by seaworthiness tester 300.
For convenience of the position of adjustment seaworthiness tester 300 on trailer 400, to adapt to the ship model connecting different model, trailer 400 also has carriage track 401.After seaworthiness tester 300 adjusts good position on carriage track 401, lock with lockout mechanism 402.
The test mode of seaworthiness tester of the present utility model is as follows:
Ship model 10 is arranged on commitment positions and is connected with seaworthiness tester 300 (connecting panel 3442 namely in measuring head 3440 is connected with ship model 10), and the test linear electric motors 3410 of seaworthiness proving installation 340 are in free state.And the chuck 3540 of trailing type pneumatically operated brake 350 clamps ship model, and trailing type pneumatically operated brake 250 middle orbit clamp 3522 clamping brake slide rail 3511, trailing type pneumatically operated brake 350 is made to be in static stationary state on brake crossbeam 330, seaworthiness proving installation 340 is in free state, and seaworthiness tester 300 is accelerated by trailer traction ship model.
After trailer speed is stable, the chuck 3540 controlling trailing type pneumatically operated brake 350 is opened, unclamp ship model 10, and (following state refers to that trailing type pneumatically operated brake 350 is followed seaworthiness proving installation 340 and moved under enabled state for following state to control trailing type pneumatically operated brake 350, mode of operation is that controller 903 can control brake linear electric motors 3510 according to the displacement data of test linear electric motors 3410 obtained and follows displacement accordingly particularly), seaworthiness proving installation 340 is set to pre-drag measurement state (after pre-drag measurement state refers to that trailer startup optimization is stable, the resistance of premeasuring ship model in wave, for later stage self-adaptative adjustment adopts data in advance), ship model and seaworthiness proving installation 340 are with wave motion, at this moment controlling seaworthiness proving installation 340 be that self adaptation state is (after self adaptation state refers to that controller is analyzed according to the resistance of drag measurement in advance above, test linear electric motors 3410 adapt to the motion that ground drives ship model automatically, thus the every data of ship model in wave can be measured more accurately), brake linear electric motors 3510 still keep following state constant, test linear electric motors 3410 will according to ship model resistance situation of change self-adaptative adjustment, until movement of ship model is stablized, measure and record heave after stable, surging, pitching, rolling and drag data.
After having sampled, the chuck 3540 controlled in trailing type pneumatically operated brake 350 clamps ship model, brake linear electric motors 3510 are become free state from following state simultaneously, postpone 1s control test linear electric motors 3410 and become " free state " from " self adaptation state ".Then, control trailing type pneumatically operated brake 250 middle orbit clamp 3522 and clamp brake slide rail 3511.Finally, then control trailer slowly underspeeds, and finally makes ship model out of service, completes test.
Seaworthiness proving installation 340 of the present utility model passes through the linear electric motors of magnetic suspension principle as control and metering system, when ultralow damping, to measure except yawing and swaying without the athletic posture of ship model in wave under conditions of other constraints and increase resistance situation.
Trailing type pneumatically operated brake 350 of the present utility model, what utilize linear electric motors follows principle, is converted to mechanical grip by air cylinder motion, and by the clamping of track clamp with unclamp track and reach the start-stop of ship model in wave and control.
By above-mentioned detailed introduction, can find out, the utility model overcomes ship model start-stop in wavegoing model test can produce the problem of larger impulsive force in controlling, by the test error that machinery and pneumatic mode solution human element cause, be more convenient for operation and use, improving the measuring accuracy of wavegoing model test.The utility model also utilizes the perpendicular movement of track clamp and air cylinder to drive movable block up-and-down movement, and clamping plate clamp the brake frame on ship model under the guiding of movable block, and its advantage is:
1, brake adopts air-operated solenoid valve control the clamping of track clamp and unclamp and brake closed or open, and opening time just can complete rapidly within 0.1s;
2,4 MK-2501-A open type track clamps, have power down auto-lock function, maximum latching force can reach 1.5 tons;
3, brake adopts the spacing and power down auto-lock function of mechanical type clamping;
4, Y type guiding brake design principle, controls whole brake travel in conjunction with cylinder, utilizes theory of machines more effectively can control the impulsive force that in ship model start-stop, acceleration/accel produces when braking and clamping;
5, by the movable block of mechanical position limitation pattern, the spacing of a pair clamping plate can be controlled better, under the prerequisite not affecting ship model heave and pitching, effectively control ship model;
6, brake system has and follows ship model longitudinal movement function.
The above; it is only preferred embodiment of the present utility model; not any pro forma restriction is done to the utility model; have in any art and usually know the knowledgeable; if in the protection domain not departing from the claim that the utility model proposes; the Equivalent embodiments that local done by the technology contents utilizing the utility model to disclose is changed or modified, and do not depart from technical characteristic content of the present utility model, all still belong in the scope of the utility model technical characteristic.
Claims (8)
1. a trailing type pneumatically operated brake, the test linear electric motors motion of seaworthiness proving installation can be followed, described test linear electric motors are provided with testing of electric motors displacement pickup, it is characterized in that, comprise: be located at the brake linear electric motors on cross beam frame, be positioned at the brake slide braked on linear electric motors, vertical activity is located in brake activity post, the lift drive mechanism of driving brake activity post lifting and the chuck of connection brake activity post lower end in brake slide; Described brake linear electric motors are provided with brake motor displacement pickup, and described brake linear electric motors have braking mechanism;
Also include testing and control assembly, described testing of electric motors displacement pickup and described brake motor displacement pickup are all connected with described testing and control assembly; Described testing and control assembly also connects the electromagnetic valve of the testing of electric motors actuator of described test linear electric motors, the brake motor actuator of described brake linear electric motors, the electromagnetic valve of described braking mechanism and described chuck.
2. trailing type pneumatically operated brake according to claim 1, is characterized in that: described lift drive mechanism is formed by being located at the drive motor of brake activity capital end, the screw mandrel being provided with brake activity post side and the nut be fixed on brake slide; Described screw mandrel is located in described nut, and top connects described drive motor.
3. trailing type pneumatically operated brake according to claim 1, it is characterized in that: described chuck is pneumatic chuck, comprise be connected to brake activity post lower end permanent seat, by air cylinder driven and the movable block be positioned at below permanent seat and a pair clamping plate be positioned at below movable block; Described movable block have a pair symmetry and the guiding perforation of arranging in " Y " type; The front and rear end of described permanent seat is also separately installed with vertical chute, is also separately installed with vertical guide in the front and rear end of movable block, and described vertical guide is positioned at described vertical chute; The back of every block clamping plate connects support by a pair stay bearing plate, a pair stay bearing plate extends upwardly to the left and right end face of described permanent seat, the upper end of described stay bearing plate is connected with guiding slide, the left and right end face of described permanent seat is provided with cross slide way, described guiding slide is arranged on horizontal slide rail, the top position being positioned at clamping plate between a pair stay bearing plate is connected with brake axle, and described brake axle is arranged in the perforation of described guiding.
4. trailing type pneumatically operated brake according to claim 3, it is characterized in that: described guiding perforation is connected and composed by vertical elongated hole and oblique elongated hole, the lower end of described oblique elongated hole connects the upper end of described vertical elongated hole, and the upper end of described oblique elongated hole is positioned at the oblique upper in the outside of vertical elongated hole.
5. trailing type pneumatically operated brake according to claim 3, it is characterized in that: the left and right side of described brake activity post lower end also adds brace panel respectively, described brace panel bottom has a pair right angle incision, and described right angle incision is just in time adaptive with the square apex angle of the inner top side of described stay bearing plate.
6. trailing type pneumatically operated brake according to claim 1, it is characterized in that: described cross beam frame comprises test cross beam frame and brake cross beam frame, described seaworthiness proving installation is positioned on described test cross beam frame, and described trailing type pneumatically operated brake is positioned on described brake cross beam frame.
7. trailing type pneumatically operated brake according to claim 6, is characterized in that: have test horizontal raster chi outside described test cross beam frame, has brake horizontal raster chi outside described brake cross beam frame; Described testing of electric motors displacement pickup and brake motor displacement pickup are grating scale read head.
8. trailing type pneumatically operated brake according to claim 1, is characterized in that: described brake activity post side all has the slide that to brake described in vertical guide and all has guide groove, and described vertical guide is engaged in described guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520361835.XU CN204623760U (en) | 2015-05-29 | 2015-05-29 | A kind of trailing type pneumatically operated brake |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520361835.XU CN204623760U (en) | 2015-05-29 | 2015-05-29 | A kind of trailing type pneumatically operated brake |
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| CN204623760U true CN204623760U (en) | 2015-09-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015704A (en) * | 2015-05-29 | 2015-11-04 | 上海船舶运输科学研究所 | Follow type pneumatic braking device |
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- 2015-05-29 CN CN201520361835.XU patent/CN204623760U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015704A (en) * | 2015-05-29 | 2015-11-04 | 上海船舶运输科学研究所 | Follow type pneumatic braking device |
| CN105015704B (en) * | 2015-05-29 | 2017-05-17 | 上海船舶运输科学研究所 | Follow type pneumatic braking device |
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