CN203805780U - Car environment-friendly ejection device - Google Patents
Car environment-friendly ejection device Download PDFInfo
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- CN203805780U CN203805780U CN201420097718.2U CN201420097718U CN203805780U CN 203805780 U CN203805780 U CN 203805780U CN 201420097718 U CN201420097718 U CN 201420097718U CN 203805780 U CN203805780 U CN 203805780U
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- cover plate
- roof cover
- chain
- side chain
- transmission arm
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Abstract
The utility model discloses a car environment-friendly ejection device. The device comprises two car top cover plates arranged laterally symmetrically at the wagon top and a transmission unit to open and close the car top cover plates. The transmission unit comprises a first chain wheel, a second chain wheel and a chain wound on the first chain wheel and the second chain wheel in an 8 shape. A chain drive unit capable of driving the chain to move is arranged on the chain, and the first chain wheel and the second chain wheel are in rotation connection fit with the corresponding car top cover plates through transmission arms respectively. According to the car top cover plates, three-stage buffer structures are used for sharing the car top cover plate simultaneously, so that the top cover weight is shared together by multiple fulcrums, and shaking of the top cover when the top cover is opened can be reduced effectively; pre-stress is applied to a top cover beam, so that deformation of the top cover is prevented; the chain is wound on the two chain wheels in an 8 shape, so that simultaneous reverse rotation of the two chain wheels can be achieved, and the top cover can be opened and closed together with the cover plates.
Description
Technical field
The utility model relates to automobile-used component technology field, particularly a kind of vehicle environment protection top opening.
Background technology
Along with expanding economy, over-the-road transportation vehicle is more and more, the thing followed is the various pollutions that transport trolley forms under steam, especially there is no the lorry of exposed transportation dregs of railway carriage top board because shed, dust, it is more serious that water clock sewage etc. causes road surface to pollute, on road, dust spreads all on the one hand, affect traffic and pedestrian healthy, What is more, because there is pollution on road surface, the contaminant particle moment of running at high speed on truck tyre spreading road surface, moment produces high pressure and answers pressure, just can very brief blast and fission and produce a large amount of trickle dust, be diffused in air, floatingly cannot fall ground after rise and foul air for a long time, Here it is PM2.5, therefore, these contaminant particles are the main causes that form city haze, haze the Long-term Effect air quality, people suck haze, certainly will bring serious disastrous effect to human body, the attack rate such as lung cancer, bronchus, heart disease are inevitable to raise year after year, is exactly the consequence that atmospheric contamination increases the weight of.
Must effect a permanent cure in the source of administering haze, just must carry out environmental type transformation to transport trolley, makes each transport trolley all be furnished with top cover.The top cover being arranged on transport trolley had both needed to have enough mechanical strengths, folding with convenience again, best selection is to adopt two cover plates to coordinate, while covering, two cover plates goes to railway carriage top from railway carriage both sides simultaneously, be combined into railway carriage top board, while opening, two cover plates rotates and falls from railway carriage top to a side separately simultaneously, exposes the space in railway carriage.Yet, in order to obtain high-strength top cover, cover plate generally all adopts preparation of metals, and mass ratio is larger, when cover plate is outwarded winding landing from roof, pulling force to actuating arm surges, especially cover plate center of gravity is left railway carriage in a flash, cover plate bottom free-falling body, and top is also fixed on actuating arm, cover plate can produce violent rocking, and has a strong impact on people around's safety.If metal cover board is arranged on the longer transport trolley of railway carriage, also having another problem occurs: when cover plate falls, stress concentrates on the cover plate beam in top, especially the stressed maximum in cover plate beam middle part, be difficult to bear the weight of cover plate itself, be easily bent downwardly distortion.Meanwhile, also to solve and how make two cover plates with opening with the problem of closing.The sprocket wheel of general driving device is all rotating in same direction, all cws of cw, all conter clockwises of conter clockwise, Yi Bian two cover plates is to clockwise rotate with opening with closing, another side rotates counterclockwise.Therefore, general wheel word can arrange two independently sprocket wheel carry out work, not only complex structure, and two cover plates can move disunity often, affects the practical effect of cover plate.
Summary of the invention
Technical problem to be solved in the utility model is the present situation for prior art, and a kind of vehicle environment protection top opening that can effectively prevent transport trolley contaminated environment is provided.This vehicle environment protection top opening has branched shared top cover weight, can when top cover is opened, effectively reduce top cover rocks, roof panel cross member is applied to prestress, prevent that top cover distortion, chain from being 8-shaped winding on two sprocket wheels, can realize two sprocket wheels counter-rotation simultaneously, making can be with opening with the advantage of closing with cover plate.
The utility model solves the problems of the technologies described above adopted technical scheme:
Vehicle environment protection top opening, include and be symmetrical set at two roof cover plates at railway carriage top and the driving device that makes roof cover plate opening-closing, wherein: driving device comprises the first sprocket wheel, the second sprocket wheel and is the chain of 8-shaped winding on the first sprocket wheel and the second sprocket wheel, the chain drive that energy chain drive-belt moves is installed on chain, and the first sprocket wheel and the second sprocket wheel are rotationally connected and coordinate with corresponding roof cover plate by transmission arm respectively.
For optimizing technique scheme, the concrete measure of taking also comprises:
In above-mentioned roof cover plate, be provided with recoil spring and snub rope, one end, snub rope is fixed on roof cover plate, the other end is walked around and is fixed on first on transmission arm buffering pulley and is connected with one end of recoil spring, the other end of recoil spring is fixed on roof cover plate, roof cover plate is also provided with the second buffering pulley, the second buffering pulley is fixedly installed on railway carriage crossbeam, and snub rope arranged around at least one week of the second buffering pulley, and recoil spring can be elongated along with opening of cover plate.
Above-mentioned transmission arm is L shaped transmission arm, and transmission arm comprises the first transmission arm and the second transmission arm, and first transmission arm one end is fixedly connected with the wheel shaft of the first sprocket wheel, and the first transmission arm other end is rotationally connected and coordinates with corresponding roof cover plate top; Second transmission arm one end is fixedly connected with the wheel shaft of the second transmission arm, and the second transmission arm other end is rotationally connected and coordinates with corresponding roof cover plate top.
Above-mentioned roof cover plate top is provided with cover plate back timber and cover plate bottom girder, cover plate back timber and cover plate bottom girder are all horizontally disposed with and two ends extend to respectively left end and the right-hand member of roof cover plate, roof cover plate is provided with two cover plate vertical beams, and two cover plate vertical beams are placed in respectively the roof cover plate left and right sides and one end is fixedly connected with cover plate back timber, the other end is fixedly connected with cover plate bottom girder, cover plate vertical beam is placed in roof cover plate inner side, roof cover plate includes position-limited lever, position-limited lever one end is fixedly connected with transmission arm, the other end extends cover plate vertical beam and coordinates between roof cover plate wooden partition and with cover plate vertical beam is spacing.
Above-mentioned cover plate back timber bottom is provided with pretension cable wire, pretension cable wire two ends are connected with the two ends of cover plate back timber respectively, pretension cable wire is provided with take-up device, and take-up device applies a prestress by tractive pretension cable wire to cover plate back timber and makes upwards protuberance of cover plate back timber middle part; Between cover plate back timber and cover plate bottom girder, be provided with at least one minute arm of force, and divide arm of force one end and cover plate back timber apical grafting to fix, the other end is fixedly connected with cover plate bottom girder, and a minute arm of force top is provided with elastic top joint.
Above-mentioned chain includes the first side chain and the second side chain, the first side chain middle part winding is on the first sprocket wheel, and the second side chain direction is all stretched in the first side chain upper end and the first side chain bottom, the second side chain middle part winding is on the second sprocket wheel, and the first side chain direction is all stretched in the second side chain upper end and the second side chain bottom; Chain drive includes the axle drive shaft that drives cylinder body and can slide with respect to driving cylinder body front and back, axle drive shaft one end is fixedly connected with the first side chain bottom, and this axle drive shaft other end is fixedly connected with the second side chain upper end, driving device also includes connecting panel, connecting panel one end is fixedly connected with the first side chain upper end, and this connecting panel other end is fixedly connected with the second side chain bottom.
Above-mentioned connecting panel is connected by chain stretching screw with the first side chain upper end, on connecting panel, be provided with screw hole, chain stretching screw one end is fixedly connected with the first side chain upper end, the other end screws in screw hole and connecting panel heavy keying fit, and the degree of depth of chain stretching screw screw-in screw hole can regulate.
The end that above-mentioned railway carriage crossbeam coordinates with roof cover plate is provided with leading sheave cover plate vertical beam and rolls and coordinate with leading sheave in top cover moving process; Transmission arm is fixedly installed drive pulley with one end that roof cover plate is connected, and cover plate vertical beam is rotationally connected and coordinates with drive pulley by connecting compoboard; Roof cover plate lower inside is provided with pulley pin, pulley pin when roof cover plate is opened completely with inconsistent cooperation of side plate of railway carriage.
The end that above-mentioned railway carriage crossbeam coordinates with roof cover plate is provided with U-shaped bayonet socket, roof cover plate bottom is provided with the π shape fixture block matching with U-shaped bayonet socket, and roof cover plate is when closure state, and π shape fixture block snaps in U-shaped bayonet socket, when roof cover plate is opened, π shape fixture block exits from U-shaped bayonet socket.
Above-mentioned chain drive is fluid pressure drive device or actuating device of atmospheric pressure.
Compared with prior art, the utility model has adopted vehicle environment protection top opening, include and be symmetrical set at two roof cover plates at railway carriage top and the driving device that makes roof cover plate opening-closing, wherein: driving device comprises the first sprocket wheel, the second sprocket wheel and is the chain of 8-shaped winding on the first sprocket wheel and the second sprocket wheel, the chain drive that energy chain drive-belt moves is installed on chain, and the first sprocket wheel and the second sprocket wheel are rotationally connected and coordinate with corresponding roof cover plate by transmission arm respectively.The transmission arm that the utility model adopts two roof cover plates, drivings device and connects the two is combined into vehicle environment protection top opening, two roof cover plates are divided into the right and left and are symmetrical arranged, while covering, the top of roof cover plate is positioned at the midway location of vehicle environment protection top opening, the bottom of roof cover plate is positioned at two side positions of vehicle environment protection top opening, and while opening, roof cover plate forwards carriage side plate outside to, the top of roof cover plate is positioned at top, and the bottom of roof cover plate is positioned at bottom.The chain of driving device is divided into the first side chain and the second side chain, the first side chain top is connected with the second side chain bottom, the first side chain bottom, the second side chain top are connected with chain drive respectively, the first side chain, the second side chain and chain drive have formed the closing force transmission of a 8-shaped jointly, the linear velocity of every bit is identical, the first sprocket wheel, the second sprocket wheel be take self wheel shaft and are that axle rotates under the drive of chain, because the first sprocket wheel is identical with the size of the second sprocket wheel, in the identical situation of on-line velocity, cireular frequency is also identical, and opposite direction.Need with the device of opening with closing, its turning cylinder to be separately fixed on the first sprocket wheel and the second sprocket wheel, this device also can obtain the feature that counter-rotation and cireular frequency are identical.Between the first side chain and the second side chain, be also provided with stretching screw, for the elasticity of adjusting chain, guarantee whole driving device smooth running, chain does not fall chain, slot.Roof cover plate has adopted three grades of buffer structures the weight of roof cover plate to be shared simultaneously, these three structures are respectively: 1, roof cover plate is provided with recoil spring and snub rope, one end, snub rope is fixed on roof cover plate, the other end is walked around and is fixed on first on transmission arm buffering pulley and is connected with one end of recoil spring, because snub rope walks around the first buffering pulley, therefore the first buffering pulley has been shared a part of cover plate weight.2, vehicle environment protection top opening is also provided with the second buffering pulley, and the second buffering pulley is fixedly installed on railway carriage crossbeam, and snub rope arranged around at least one week of the second buffering pulley.By this set, make the second buffering pulley also become a strong point, make railway carriage crossbeam share a part of cover plate weight.3, cover plate back timber bottom is provided with pretension cable wire, and pretension cable wire two ends are connected with the two ends of cover plate back timber respectively, and pretension cable wire is provided with take-up device, and take-up device applies a prestress by tractive pretension cable wire to cover plate back timber and makes upwards protuberance of cover plate back timber middle part.The prestress that pretension cable wire applies cover plate back timber balances out a part of cover plate weight effectively, prevents that cover plate back timber from being crushed by cover plate weight, cause can not self-recovery distortion.
The utlity model has branched shared top cover weight, can when top cover is opened, effectively reduce top cover rocks, roof panel cross member is applied to prestress, prevent that top cover distortion, chain from being 8-shaped winding on two sprocket wheels, can realize two sprocket wheels counter-rotation simultaneously, making can be with opening with the advantage of closing with cover plate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model when closure state;
Fig. 2 is the structural representation of roof cover plate;
Fig. 3 is the A portion structure enlarged drawing of Fig. 2;
Fig. 4 is the B portion structure enlarged drawing of Fig. 2;
Fig. 5 is that the utility model is in half-open position structural representation;
Fig. 6 is the C portion structure enlarged diagram of Fig. 5;
Fig. 7 is the structural representation of roof cover plate while opening completely;
Fig. 8 is the structural representation of the utility model when opening completely;
Fig. 9 is the D portion structural representation of Fig. 8;
Figure 10 is the structural representation of driving device;
Figure 11 is the E portion structural representation of Figure 10.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
Embodiment as shown in Figure 1 to 11, figure grade explanation: roof cover plate 1, cover plate back timber 1a, cover plate bottom girder 1b, cover plate vertical beam 1c, divide arm of force 1d, elastic top joint 1e, recoil spring 11, snub rope 12, the first buffering pulley 13, the second buffering pulley 14, position-limited lever 15, leading sheave 16, drive pulley 17, connect compoboard 18, pulley pin 19, driving device 2, the first sprocket wheel 21, the second sprocket wheel 22, chain 23, the first side chain 23a, the second side chain 23b, chain drive 24, drive cylinder body 24a, axle drive shaft 24b, connecting panel 25, screw hole 25a, chain stretching screw 26, transmission arm 3, the first transmission arm 31, the second transmission arm 32, pretension cable wire 4, take-up device 41, railway carriage crossbeam 5, U-shaped bayonet socket 51, π shape fixture block 52.
The first embodiment:
Vehicle environment protection top opening, include and be symmetrical set at two roof cover plates 1 at railway carriage top and the driving device 2 that makes 1 folding of roof cover plate, wherein: driving device 2 comprises the first sprocket wheel 21, the second sprocket wheel 22 and is the chain 23 of 8-shaped winding on the first sprocket wheel 21 and the second sprocket wheel 22, chain drive 24, the first sprocket wheels 21 that can chain drive-belt move and the second sprocket wheel 22 are installed on chain 23 to be rotationally connected and to be coordinated by transmission arm 3 and roof cover plate 1 accordingly respectively.
In embodiment, in roof cover plate 1, be provided with recoil spring 11 and snub rope 12,12 one end, snub rope are fixed on roof cover plate 1, the other end is walked around and is fixed on first on transmission arm 3 buffering pulley 13 and is connected with one end of recoil spring 11, the other end of recoil spring 11 is fixed on roof cover plate 1, roof cover plate 1 is also provided with the second buffering pulley 14, the second buffering pulley 14 is fixedly installed on railway carriage crossbeam 5, snub rope 12 arranged around at least one week of the second buffering pulley 14, and recoil spring 11 can be elongated along with opening of roof cover plate 1.
In embodiment, transmission arm 3 is L shaped transmission arm, transmission arm 3 comprises that the first transmission arm 31 and second transmission arm 32, the first transmission arm 31 one end are fixedly connected with the wheel shaft of the first sprocket wheel 21, and first transmission arm 31 other ends are rotationally connected and coordinate with corresponding roof cover plate 1 top; Second transmission arm 32 one end are fixedly connected with the wheel shaft of the second transmission arm 32, and second transmission arm 32 other ends are rotationally connected and coordinate with corresponding roof cover plate 1 top.
In embodiment, roof cover plate 1 top is provided with cover plate back timber 1a and cover plate bottom girder 1b, cover plate back timber 1a and cover plate bottom girder 1b are all horizontally disposed with and two ends extend to respectively left end and the right-hand member of roof cover plate 1, roof cover plate 1 is provided with two cover plate vertical beam 1c, and two cover plate vertical beam 1c are placed in respectively roof cover plate 1 left and right sides and one end is fixedly connected with cover plate back timber 1a, the other end is fixedly connected with cover plate bottom girder 1b, cover plate vertical beam 1c is placed in roof cover plate 1 inner side, roof cover plate 1 includes position-limited lever 15, position-limited lever 15 one end are fixedly connected with transmission arm 3, the other end extend cover plate vertical beam 1c between roof cover plate 1 wooden partition and with spacing cooperation of cover plate vertical beam 1c.
In embodiment, cover plate back timber 1a bottom is provided with pretension cable wire 4, pretension cable wire 4 two ends are connected with the two ends of cover plate back timber 1a respectively, pretension cable wire 4 is provided with take-up device 41, and take-up device 41 applies a prestress by 4 couples of cover plate back timber 1a of tractive pretension cable wire and makes upwards protuberance of cover plate back timber 1a middle part; Between cover plate back timber 1a and cover plate bottom girder 1b, be provided with at least one minute arm of force 1d, and divide arm of force 1d one end and cover plate back timber 1a apical grafting to fix, the other end is fixedly connected with cover plate bottom girder 1b, and a minute arm of force 1d top is provided with elastic top joint 1e.
In embodiment, chain 23 includes the first side chain 23a and the second side chain 23b, the first side chain 23a middle part winding is on the first sprocket wheel 21, and the second side chain 23b direction is all stretched in the first side chain upper end and the first side chain bottom, the second side chain 23b middle part winding is on the second sprocket wheel 22, and the first side chain direction is all stretched in the second side chain upper end and the second side chain bottom; Chain drive 24 includes the axle drive shaft 24b that drives cylinder body 24a and can slide with respect to driving cylinder body 24a front and back, axle drive shaft 24b one end is fixedly connected with the first side chain bottom, and this axle drive shaft 24b other end is fixedly connected with the second side chain upper end, driving device 2 also includes connecting panel 25, connecting panel 25 one end are fixedly connected with the first side chain upper end, and these connecting panel 25 other ends are fixedly connected with the second side chain bottom.
In embodiment, connecting panel 25 is connected by chain stretching screw 26 with the first side chain upper end, on connecting panel 25, be provided with screw hole 25a, chain stretching screw 26 one end are fixedly connected with the first side chain upper end, the other end screws in screw hole 25a and connecting panel 25 heavy keying fit, and the degree of depth that chain stretching screw 26 screws in screw hole 25a can regulate.
In embodiment, the end that railway carriage crossbeam 5 coordinates with roof cover plate 1 is provided with leading sheave 16 cover plate vertical beam 1c and rolls and coordinate with leading sheave 16 in top cover moving process; One end that transmission arm 3 is connected with roof cover plate 1 is fixedly installed drive pulley 17, and cover plate vertical beam 1c is rotationally connected and coordinates with drive pulley 17 by connecting compoboard 18; Roof cover plate 1 lower inside is provided with pulley pin 19, pulley pin 19 when roof cover plate 1 is opened completely with inconsistent cooperation of side plate of railway carriage.
In embodiment, the end that railway carriage crossbeam 5 coordinates with roof cover plate 1 is provided with U-shaped bayonet socket 51, roof cover plate 1 bottom is provided with the π shape fixture block 52 matching with U-shaped bayonet socket 51, roof cover plate 1 is when closure state, π shape fixture block 52 snaps in U-shaped bayonet socket 51, when roof cover plate 1 is opened, π shape fixture block 52 exits from U-shaped bayonet socket 51.
In embodiment, Shi Lizhong, chain drive 24 is fluid pressure drive device.Fluid pressure drive device is oil cylinder.
The transmission arm 3 that the utility model adopts two roof cover plates 1, a driving device 2 and connects the two is combined into vehicle environment protection top opening, two roof cover plates 1 are divided into the right and left and are symmetrical arranged, while covering, the top of roof cover plate 1 is positioned at the midway location of vehicle environment protection top opening, the bottom of roof cover plate 1 is positioned at two side positions of vehicle environment protection top opening, while opening, roof cover plate 1 forwards carriage side plate outside to, the top of roof cover plate 1 is positioned at top, and the bottom of roof cover plate 1 is positioned at bottom.Transmission arm 3 is L shaped arms, one end is connected with the top of roof cover plate 1, and the other end is connected with the sprocket wheel of driving device 2, and driving device 2 adopts 8-shaped transmission, the first sprocket wheel 21 and the synchronized in opposite directions rotation of the second sprocket wheel 22, can allow two symmetrical transmission arms 3 with opening with closing.Two transmission arms 3 promote to be respectively attached thereto the roof cover plate 1 connecing again, and roof cover plate 1 is opened or closure.The utility model is all made a large amount of improvement on roof cover plate 1 and driving device 2, and wherein, roof cover plate 1 has adopted multi-buffer structure.This be because roof cover plate 1 in the process of opening, transmission arm 3 is the weight that drive pulley 17 has been born increasing roof cover plate 1 with roof cover plate 1 junction, until after roof cover plate 1 opens completely, whole roof cover plate 1 is to be all hung in drive pulley 17.If the structure of sharing roof cover plate 1 weight is not set, so when roof cover plate 1 center of gravity is left railway carriage crossbeam 5, the impulsive force that roof cover plate 1 bottom free-falling body produces is very large, although be not enough to break drive pulley 17, but that causes rocks the safety that has a strong impact on people around, and the cover plate back timber 1a of roof cover plate 1 is caused to very large pressure, easily make the bending of cover plate back timber 1a middle part.And the utility model has adopted three structures the weight of roof cover plate 1 to be shared simultaneously, these three structures are respectively: 1, roof cover plate 1 is provided with recoil spring 11 and snub rope 12, 12 one end, snub rope are fixed on roof cover plate 1, the other end is walked around and is fixed on first on transmission arm 3 buffering pulley 13 and is connected with one end of recoil spring 11, roof cover plate 1 is in the process of opening, recoil spring 11 attachment points are becoming large gradually to the distance of the first buffering pulley 13 and the distance sum of the first buffering pulley 13Dao snub rope 12 attachment points, this makes the power of snub rope's 12 tractive recoil springs 11 increasing, recoil spring 11 is elongated.Because snub rope 12 walks around the first buffering pulley 13, therefore the first buffering pulley 13 has been shared a part of cover plate weight.2, vehicle environment protection top opening is also provided with the second buffering pulley 14, the second buffering pulleys 14 and is fixedly installed on railway carriage crossbeam 5, and snub rope 12 arranged around at least one week of the second buffering pulley 14.Snub rope 12 was around the second buffering pulley 14 1 weeks in the present embodiment.By this set, make the second buffering pulley 14 also become a strong point, make railway carriage crossbeam 5 share a part of cover plate weight.3, cover plate back timber 1a bottom is provided with pretension cable wire 4, pretension cable wire 4 two ends are connected with the two ends of cover plate back timber 1a respectively, pretension cable wire 4 is provided with take-up device 41, and take-up device 41 applies a prestress by 4 couples of cover plate back timber 1a of tractive pretension cable wire and makes upwards protuberance of cover plate back timber 1a middle part.Take-up device 41 can be fixed on minute arm of force 1d, cover plate back timber 1a is under the tractive of pretension cable wire 4, inward at both ends is tightened up, force cover plate back timber 1a middle part to be arched upward, in roof cover plate 1 dropping process, cover plate back timber 1a is subject to increasing downward power, this power comes from the weight of roof cover plate 1 self, and stress concentrates on cover plate back timber 1a middle part, therefore, the power that can bit by bit be produced by cover plate weight that arches upward in the middle part of cover plate back timber 1a is evened up, and in this process, the prestress that 4 couples of cover plate back timber 1a of pretension cable wire apply balances out a part of cover plate weight effectively, prevent that cover plate back timber 1a from being crushed by cover plate weight, cause can not self-recovery distortion.Take-up device 41 is one group of lock that can pin pretension cable wire 4, prevents from that pretension cable wire 4 from moving up to make the Relaxation of prestressing that applies.Concrete method of operation is as follows: the two ends that first two ends of pretension cable wire 4 are fixed on to cover plate back timber 1a, pretension cable wire 4 is positioned at cover plate back timber 1a bottom, at this time pretension cable wire 4 relaxes, to cover plate back timber, 1a is fixed, prevent that it from can move up and down, then use fastener to strain pretension cable wire 4, fastener is selected 2 symmetrical downward tractives on pretension cable wire 4, pretension cable wire 4 two ends be subject under oblique to pulling force, pretension cable wire 4 is tightened, pretension cable wire 4 itself has certain elasticity, after pretension cable wire 4 is tightened, fastener continues tractive, pretension cable wire 4 produces distortion, length increases to some extent, and cover plate back timber 1a is subject to the pulling force inward at both ends of pretension cable wire 4 to bottom offset, cause cover plate back timber 1a middle part to be arched upward.After reaching predetermined traction force, fastener stops tractive, maintains the original state, and then uses the position of 41 pairs of pretension cable wires 4 of take-up device to lock.Because fastener is to select 2 symmetrical downward tractives on pretension cable wire 4, the cable wire that between these 2 is is level, and cable wire between these 2 and cover plate back timber 1a is oblique, state as shown in Figure 8.Take-up device 41 is selected at these 2 and is fixed, as long as pin pretension cable wire 4, can not move up and down.The utility model has also been done a series of improvement for cover plate: vehicle environment protection top opening arranges position-limited lever 15, position-limited lever 15 one end are fixedly connected with transmission arm 3, the other end extend cover plate vertical beam 1c between roof cover plate 1 wooden partition and with spacing cooperation of cover plate vertical beam 1c.Position-limited lever 15 is provided with regulating spring, conveniently the length of position-limited lever 15 is regulated, position-limited lever 15 does not affect the normal folding of roof cover plate 1, when roof cover plate 1 is opened completely, roof cover plate 1 only hangs in drive pulley 17, and roof cover plate 1 rotatably coordinates with drive pulley 17, and this just means that people can start roof cover plate 1 when roof cover plate 1 is opened, this is obviously unsafe, Yi Ge mechanism is set and prevent that roof cover plate 1 from can be lifted.This mechanism is exactly position-limited lever 15, and when roof cover plate 1 is started, position-limited lever 15 can block the shift motion of roof cover plate 1, causes roof cover plate 1 to start.Roof cover plate 1 is when closure state, although because own wt is difficult to start, transport trolley travels on road car body vibrations unavoidably, if amplitude is very large, also can impact vehicle environment protection top opening.Therefore, the end that the utility model coordinates with roof cover plate 1 at railway carriage crossbeam 5 is provided with U-shaped bayonet socket 51, roof cover plate 1 bottom is provided with the π shape fixture block 52 matching with U-shaped bayonet socket 51, roof cover plate 1 is when closure state, π shape fixture block 52 snaps in U-shaped bayonet socket 51, when roof cover plate 1 is opened, π shape fixture block 52 exits from U-shaped bayonet socket 51.When π shape fixture block 52 snaps in U-shaped bayonet socket 51, the grab of π shape fixture block 52 hooks into the lower end of U-shaped bayonet socket 51, and the two phase screens makes roof cover plate 1 and railway carriage crossbeam 5 in the vertical directions to fixing, prevents roof cover plate 1 bob when closure state.
Concrete use step of the present utility model is as follows: the first sprocket wheel 21 and the second sprocket wheel 22 are fixed on respectively on railway carriage crossbeam 5 symmetrically, the first sprocket wheel 21 and the second sprocket wheel 22 can freely rotate around its axle center, the axle center of the first sprocket wheel 21 and the second sprocket wheel 22 is fixedly connected with respectively transmission arm 3, transmission arm 3 can be followed sprocket wheel and be rotated with identical cireular frequency, the first side chain 23a is on the first sprocket wheel 21, the second side chain 23b is on the second sprocket wheel 22, the cylinder body of oil cylinder is also fixed on railway carriage crossbeam 5, in-oil cylinder axle drive shaft 24b two ends all extend out to outside oil cylinder, and one end is fixedly connected with the first side chain bottom, the other end is fixedly connected with the second side chain upper end.The first side chain upper end is fixedly connected with by connecting panel 25 with the second side chain bottom.As shown in Figure 10,11, the first sprocket wheel 21 on the left sides, the second sprocket wheel 22 on the right, when axle drive shaft 24b turns right when mobile under hydraulic oil cylinder driving, the first side chain bottom and the second side chain upper end all move right, the first side chain upper end and the second side chain bottom are all moved to the left, drive the first sprocket wheel 21 to rotate counterclockwise, and the second sprocket wheel 22 clockwise rotates, the first transmission arm 31 being connected with the first sprocket wheel 21 rotates counterclockwise, the second transmission arm 32 being connected with the second sprocket wheel 22 clockwise rotates, and roof cover plate 1 is made opening action.Transmission arm 3 by roof cover plate 1 to extrapolation, the inner side of roof cover plate 1 is pressed in down sliding on leading sheave 16, the power of supported cart lamina tecti 1 is transferred to transmission arm 3 by railway carriage crossbeam 5 gradually, in this process, recoil spring 11 is elongated gradually, also smooth gradually through the protuberance in the middle part of the cover plate back timber 1a of autofrettage, railway carriage crossbeam 5 edges are correspondingly provided with slope, and roof cover plate 1 can comparatively gently be gone to vertically from level along slope.After transmission arm 3 rotates 180 °, roof cover plate 1 has rotated about 90 °, has been attached to railway carriage side, and pulley pin 19 is pressed on carriage side plate.Now roof cover plate 1 is opened completely.When axle drive shaft 24b turns left side shifting under hydraulic oil cylinder driving, the first side chain bottom and the second side chain upper end are all moved to the left, the first side chain upper end and the second side chain bottom all move right, drive the first sprocket wheel 21 to clockwise rotate, and the second sprocket wheel 22 rotates counterclockwise, the first transmission arm 31 being connected with the first sprocket wheel 21 clockwise rotates, and the second transmission arm 32 being connected with the second sprocket wheel 22 rotates counterclockwise, and roof cover plate 1 is made closed action.The state of kinematic motion of roof cover plate 1 and roof cover plate 1 are contrary while making opening action.In order to make two roof cover plate 1 running velocitys consistent, need to control the first sprocket wheel 21 identical with the cireular frequency of the second sprocket wheel 22, therefore, need the first sprocket wheel 21 and the second sprocket wheel 22 measure-alike, preferably select sprocket wheel of the same race.Guarantee whole driving device smooth running, chain does not fall chain, slot, the device of an energy adjusting chain elasticity need to be set, it is chain stretching screw 26, chain stretching screw 26 one end are fixedly connected with the first side chain upper end, the other end screws in screw hole 25a, carrys out the elasticity of adjusting chain by screw-in depth.
The second embodiment:
In embodiment, chain drive 24 is actuating device of atmospheric pressure.Actuating device of atmospheric pressure is cylinder.Do not state part with the first embodiment.
In the present embodiment, adopted cylinder to replace the oil cylinder in the first embodiment, be applicable to less vehicle, than hydraulic oil cylinder driving, cylinder kind more economical, that select is also more, cleaner.
Vehicle environment protection top opening of the present utility model has branched shared top cover weight, can when top cover is opened, effectively reduce top cover rocks, roof panel cross member is applied to prestress, prevent that top cover distortion, chain from being 8-shaped winding on two sprocket wheels, can realize two sprocket wheels counter-rotation simultaneously, make with cover plate can be with opening with closing, environment friendly and pollution-free advantage.
Most preferred embodiment of the present utility model is illustrated, and the various variations of being made by those of ordinary skills or remodeling can not depart from scope of the present utility model.
Claims (10)
1. vehicle environment protection top opening, include and be symmetrical set at two roof cover plates (1) at railway carriage top and the driving device (2) that makes roof cover plate (1) folding, it is characterized in that: described driving device (2) comprises the first sprocket wheel (21), the second sprocket wheel (22) and be the chain (23) of 8-shaped winding on the first sprocket wheel (21) and the second sprocket wheel (22), the chain drive (24) that energy chain drive-belt moves is installed on described chain (23), described the first sprocket wheel (21) and the second sprocket wheel (22) are rotationally connected and coordinate with corresponding roof cover plate (1) by transmission arm (3) respectively.
2. vehicle environment protection top opening according to claim 1, it is characterized in that: in described roof cover plate (1), be provided with recoil spring (11) and snub rope (12), one end, described snub rope (12) is fixed on roof cover plate (1), the other end is walked around and is fixed on first on transmission arm (3) buffering pulley (13) and is connected with one end of recoil spring (11), the other end of described recoil spring (11) is fixed on roof cover plate (1), described roof cover plate (1) is also provided with the second buffering pulley (14), the second described buffering pulley (14) is fixedly installed on railway carriage crossbeam (5), described snub rope (12) arranged around at least one week of the second buffering pulley (14).
3. vehicle environment protection top opening according to claim 2, it is characterized in that: described transmission arm (3) is L shaped transmission arm, described transmission arm (3) comprises the first transmission arm (31) and the second transmission arm (32), described the first transmission arm (31) one end is fixedly connected with the wheel shaft of the first sprocket wheel (21), and the first transmission arm (31) other end is rotationally connected and coordinates with corresponding roof cover plate (1) top; Described the second transmission arm (32) one end is fixedly connected with the wheel shaft of the second transmission arm (32), and the second transmission arm (32) other end is rotationally connected and coordinates with corresponding roof cover plate (1) top.
4. vehicle environment protection top opening according to claim 3, it is characterized in that: described roof cover plate (1) top is provided with cover plate back timber (1a) and cover plate bottom girder (1b), described cover plate back timber (1a) and cover plate bottom girder (1b) are all horizontally disposed with and two ends extend to respectively left end and the right-hand member of roof cover plate (1), described roof cover plate (1) is provided with two cover plate vertical beams (1c), and the cover plate vertical beam (1c) described in two is placed in respectively roof cover plate (1) left and right sides and one end is fixedly connected with cover plate back timber (1a), the other end is fixedly connected with cover plate bottom girder (1b), described cover plate vertical beam (1c) is placed in roof cover plate (1) inner side, roof cover plate (1) includes position-limited lever (15), described position-limited lever (15) one end is fixedly connected with transmission arm (3), the other end extend cover plate vertical beam (1c) between roof cover plate (1) wooden partition and with described spacing cooperation of cover plate vertical beam (1c).
5. vehicle environment protection top opening according to claim 4, it is characterized in that: described cover plate back timber (1a) bottom is provided with pretension cable wire (4), described pretension cable wire (4) two ends are connected with the two ends of cover plate back timber (1a) respectively, described pretension cable wire (4) is provided with take-up device (41), and described take-up device (41) applies a prestress by tractive pretension cable wire (4) to cover plate back timber (1a) and makes upwards protuberance of cover plate back timber (1a) middle part; Between described cover plate back timber (1a) and cover plate bottom girder (1b), be provided with at least one minute arm of force (1d), and described minute arm of force (1d) one end and cover plate back timber (1a) apical grafting are fixed, the other end is fixedly connected with cover plate bottom girder (1b), and the described minute arm of force (1d) top is provided with elastic top joint (1e).
6. vehicle environment protection top opening according to claim 5, it is characterized in that: described chain (23) includes the first side chain (23a) and the second side chain (23b), described the first side chain (23a) middle part winding is on the first sprocket wheel (21), and the second side chain (23b) direction is all stretched in the first side chain upper end and the first side chain bottom, the middle part winding of described the second side chain (23b) is upper at the second sprocket wheel (22), and the first side chain direction is all stretched in the second side chain upper end and the second side chain bottom; Described chain drive (24) includes the axle drive shaft (24b) that drives cylinder body (24a) and can slide with respect to driving cylinder body (24a) front and back, described axle drive shaft (24b) one end is fixedly connected with the first side chain bottom, and this axle drive shaft (24b) other end is fixedly connected with the second side chain upper end, described driving device (2) also includes connecting panel (25), described connecting panel (25) one end is fixedly connected with the first side chain upper end, and this connecting panel (25) other end is fixedly connected with the second side chain bottom.
7. vehicle environment protection top opening according to claim 6, it is characterized in that: described connecting panel (25) is connected by chain stretching screw (26) with the first side chain upper end, on described connecting panel (25), be provided with screw hole (25a), described chain stretching screw (26) one end is fixedly connected with the first side chain upper end, the other end screws in screw hole (25a) and connecting panel (25) heavy keying fit, and the degree of depth of described chain stretching screw (26) screw-in screw hole (25a) can regulate.
8. vehicle environment protection top opening according to claim 7, is characterized in that: the end that described railway carriage crossbeam (5) coordinates with roof cover plate (1) is provided with the described cover plate vertical beam (1c) of leading sheave (16) and coordinates with described leading sheave (16) rolling in top cover moving process; One end that described transmission arm (3) is connected with roof cover plate (1) is fixedly installed drive pulley (17), and described cover plate vertical beam (1c) is rotationally connected and coordinates with drive pulley (17) by connecting compoboard (18); Described roof cover plate (1) lower inside is provided with pulley pin (19), described pulley pin (19) when roof cover plate (1) is opened completely with inconsistent cooperation of side plate of railway carriage.
9. vehicle environment protection top opening according to claim 8, it is characterized in that: the end that described railway carriage crossbeam (5) coordinates with roof cover plate (1) is provided with U-shaped bayonet socket (51), described roof cover plate (1) bottom is provided with the π shape fixture block (52) matching with U-shaped bayonet socket (51), described roof cover plate (1) is when closure state, and described π shape fixture block (52) snaps in U-shaped bayonet socket (51).
10. vehicle environment protection top opening according to claim 9, is characterized in that: described chain drive (24) is fluid pressure drive device or actuating device of atmospheric pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097718.2U CN203805780U (en) | 2014-03-05 | 2014-03-05 | Car environment-friendly ejection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097718.2U CN203805780U (en) | 2014-03-05 | 2014-03-05 | Car environment-friendly ejection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203805780U true CN203805780U (en) | 2014-09-03 |
Family
ID=51444578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420097718.2U Withdrawn - After Issue CN203805780U (en) | 2014-03-05 | 2014-03-05 | Car environment-friendly ejection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203805780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802719A (en) * | 2014-03-05 | 2014-05-21 | 宁波雪隆王液压科技有限公司 | Automotive environmental-friendly jack-up device |
-
2014
- 2014-03-05 CN CN201420097718.2U patent/CN203805780U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802719A (en) * | 2014-03-05 | 2014-05-21 | 宁波雪隆王液压科技有限公司 | Automotive environmental-friendly jack-up device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20160420 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |