CN208845704U - A kind of Antenna Type selector gear - Google Patents
A kind of Antenna Type selector gear Download PDFInfo
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- CN208845704U CN208845704U CN201821124741.0U CN201821124741U CN208845704U CN 208845704 U CN208845704 U CN 208845704U CN 201821124741 U CN201821124741 U CN 201821124741U CN 208845704 U CN208845704 U CN 208845704U
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- connecting rod
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- Vibration Prevention Devices (AREA)
Abstract
The utility model provides a kind of Antenna Type selector gear, is made of variable-speed manipulator assembly, vibration damping limit assembly, longitudinal extension bar assembly, support arm connecting assembly, the fixed bracket of support arm and oil pipe；The control stick lower end of variable-speed manipulator assembly is fixed with connection arm assembly, wherein two spacer pins are installed in parallel in connection cantilever crane top two sides；Be equipped with limited block at the top of limit connecting rod in vibration damping limit assembly, limit the upper end of connecting rod with couple arm assembly lower part centre hingedly so that limited block is swung within the scope of two spacer pin defined positions；The lower end of limit connecting rod is connected by longitudinal extension bar assembly with the shifting arm of speed changer, and the rear side of vertical supporting bar also passes through support arm connecting assembly and the fixed bracket of support arm is mounted on the outer housing of speed changer；The rear end of the oil pipe is connected with the hydraulic fluid port of hydraulic locking mechanism.The utility model can be realized good leakproofness, damping and sound-proofing, and shifting movement transmitting is reliable and easy for installation.
Description
Technical field
The utility model belongs to mechanical speed changer manipulation technology field, is particularly suitable for truck remote operation,
More particularly to a kind of Antenna Type selector gear.
Background technique
Currently, domestic heavy truck is higher and higher to gear change reliability, comfort requirement.The sealing of solution driver's cabin,
The problems such as vibration, noise, guarantees that maneuvering performance is reliable, and dismounting is easy to maintenance, and the low target of cost of implementation becomes by being important.
Traditional mono-lever control mechanism performance is good, but with full-float cab using four gasbags suspension after, expose sealing
Property it is poor, be easy transmitting vibrating noise the problems such as；Flexible shaft manipulation mechanism because poor reliability, maintenance cost is high the disadvantages of, often by with
Complain at family.
For disclosing a kind of single-lever variable speed control mechanism, 2 (CN2 of patent document in patent document 1 (CN103115141B)
A kind of heavy truck Antenna Type selector gear, public affairs in patent document 3 (CN108061153A) are disclosed in 03766519U)
A kind of selector gear has been opened, a kind of speed-changer operation structure is disclosed in patent document 4 (CN205244359U), it is above-mentioned special
Longitudinal rod in the technical solution of sharp document is three-stage, and centre is with transition bracket etc., and that there are number of parts is more, structure is multiple
Miscellaneous, heavy, it is at high cost the disadvantages of, in addition, its to manipulate transfer route complicated, be easy to produce frictional resistance, gap, impact, vibration
Dynamic and noise.
A kind of single stiff rod shift control system, the technical side of the document are disclosed in patent document 5 (CN206682281U)
Without vibration reduction and cushioning measure in case, there is the shortcomings that transmitting vibration, noise, while driver's cabin floats in bumpy road, is easy
The problems such as existing handle sways forwards and backwards, gear is easy to produce when serious, in addition, its telescopic rod is mechanical locking mechanism, different automobile types,
When driver's cabin, overturning shaft position, different openers need to be designed, part is wide in variety, poor universality.
A kind of telescopic lever speed-changer operation device and heavy-duty car are disclosed in patent document 6 (CN206830795U),
Its executor, dust cover installation and removal are complicated, maintenance difficult, longitudinal extension bar and control stick, tracheae, oil pipe when vehicle assembles
Connection is inconvenient, and effectiveness in vibration suppression is bad.
Summary of the invention
For above-mentioned defect existing in the prior art, the utility model provides a kind of Antenna Type selector gear,
To realize good leakproofness, damping and sound-proofing, shifting movement transmitting is reliable and easy for installation.It is attached in conjunction with specification
Figure, the technical solution of the utility model are as follows:
A kind of Antenna Type selector gear limits assembly 2, longitudinal extension bar assembly by variable-speed manipulator assembly 1, vibration damping
3, support rod connecting assembly 4, shifting supporting support 5 and oil pipe 6 form；The control stick 103 of the variable-speed manipulator assembly 1
Lower end is fixed with connection arm assembly 108, and the connection arm assembly 108 is made of connection cantilever crane and spacer pin 114, two spacer pins
114 are installed in parallel in connection cantilever crane top two sides；It is equipped with limited block at the top of limit connecting rod 21 in the vibration damping limit assembly 2,
Limit the upper end of connecting rod 21 with couple 108 lower part of arm assembly centre hingedly, and in level between limited block and two spacer pins 114
There is gap on direction, so that limited block is swung within the scope of two 114 defined positions of spacer pin；Limit the lower end of connecting rod 21
It is hinged with the front end connection frame of longitudinal extension bar assembly 3；The longitudinal extension bar assembly 3 is by hydraulic locking mechanism, Antenna Type
Telescopic rod and vertical supporting bar are sequentially connected composition along front and back, and longitudinal bracing rod rear end is connected with the shifting arm of speed changer, indulge
To rear side also hinged, the other end and shifting branch of support rod connecting assembly 4 with one end of support rod connecting assembly 4 of support rod
It is hinged to support bracket 5, the shifting supporting support 5 is fixedly mounted on the outer housing of speed changer；The rear end of the oil pipe 6 and liquid
The hydraulic fluid port of pressure type lockable mechanism is connected；Variable-speed manipulator assembly 1 limits assembly 2 by vibration damping and shifting movement is transferred to longitudinal direction
Shifting movement is transferred to speed changer under the support of support rod connecting assembly 4 by telescopic rod assembly 3, longitudinal extension bar assembly 3,
And then realize the shifting movement of speed changer.
Further, the variable-speed manipulator assembly 1 by mounting plate 101, sealing ring 102, control stick 103, handle 104,
Sheath 105, buckle 106, connection arm assembly 108, bulb 109 and bulb seat assembly composition；The mounting plate 101 is fixedly mounted
In cab floor bottom, the sealing ring 102 is arranged between 101 cab floor of mounting plate, 105 both ends of sheath
It is socketed between handle 104 and buckle 106 respectively, the buckle 106 is sleeved on control stick 103, and spiral-lock is in driver's cabin
On plate, sealing is realized；The bulb seat assembly is mounted on mounting plate 101, and the bulb 109 is fixed on 103 lower part of control stick
And it is mounted in bulb seat assembly；The connection arm assembly 108 is fixed on the lower end of control stick 103.
Further, the handle 104 is connect with the screw top of control stick 103, and passes through handle nut axial restraint；
The upper end of the sheath 105 is locked in the groove of 104 outer surface of handle, and inside turn over is equipped at the lower end outer of sheath 105
Side simultaneously forms the upward inside groove of notch；The buckle 106 is sleeved on control stick 103, the upper end outer of buckle 106 be equipped with to
Under flange and form the downward card slot of notch, buckle 106 card slot and sheath 105 inside groove be cooperatively connected, buckle 106 bottom
Portion outer is equipped with the claw of back taper, and the buckle 106 is interior along clamping by the mounting hole of claw and cab floor.
Further, the bulb seat assembly is by ball cup 110, ball head bushing 111, elastic rubber ring 112 and lining
Sleeve gasket 113 forms；The ball cup 110 is equipped with connection outer, and the top of the ball cup 110 is mounted on the ball of mounting plate 101
In headstock installing port, the connection outer of ball cup 110 is fixedly connected on mounting plate 101, and the bulb 109 passes through setting up and down
Two ball head bushings 111 are installed in ball cup 110, and form spherical surface friction, and the bushing pad 113 is mounted on the bulb of lower section
The bottom of bushing 111, the elastic rubber ring 112 install the top for being pressed on the ball head bushing 111 of top.
Further, gas circuit quick connector is installed in the lower end of the handle 104, the rear end of the tracheae 107 is inserted
It connects in the quick connector, tracheae 107 is arranged along control stick 103 and cab floor；It is also set up on the handle 104
There is switch, the connection or disconnection of the high-pressure gas circuit in tracheae 107 are controlled by pressing or release switch.
Further, the oil pipe 6 and tracheae 107 are each along cab floor bunchy whole to vehicle cab front wall
Reason extends, and the vehicle chassis harness containing Chassis vitta and chassis tracheae passes through vehicle frame and extends to vehicle cab front wall；It is described
The front end of oil pipe 6 is connected at vehicle cab front wall with the front end of Chassis vitta, so that hydraulic locking mechanism and driver's cabin
Lifting pump oil circuit is identical, and the breakdown action for realizing hydraulic locking mechanism is synchronous with the rotary movement of driver's cabin；The tracheae 107
Front end be connected at vehicle cab front wall with chassis tracheae.
Further, the bottom of the shifting supporting support 5 is fixed on the shell of speed changer；The support rod connection
Assembly 4 is made of intermediate support rod connecting rod and the bulb positioned at both ends, and one end of support rod connecting assembly 4 passes through bulb
Hinged with the top of shifting supporting support 5, the other end is hinged by bulb and vertical supporting bar.
Further, vibration damping limit assembly 2 by limit connecting rod 21, axle sleeve 22, vibration damping casing 23, vibration damping cushion 24,
Bushing 25, casing 26, upper connection bolt 27 and lower connection bolt 28 composition；The upper and lower side of the limit connecting rod 21 has one
A connecting hole, the upper connecting hole for limiting connecting rod 21 pass through the upper connection cantilever crane lower end for connecting bolt 27 and coupling in arm assembly 108
Hingedly, the lower connecting hole for limiting connecting rod 21 is hinged by lower connection bolt 28 and the connection frame of 3 front end of longitudinal extension bar assembly；?
The end face of connecting hole two sides is mounted on vibration damping cushion 24 with coupling on limit connecting rod 21 between cantilever crane inner side end；In upper connection
On the lateral wall and limit connecting rod 21 of bolt 27 between the inner sidewall of connecting hole, it is successively set with 23 He of vibration damping casing from inside to outside
Axle sleeve 22；It between the inner sidewall of connecting hole, is successively being covered from inside to outside under the lateral wall and limit connecting rod 21 of lower connection bolt 28
Tubing 26 and bushing 25.
Further, the vibration damping casing 23 is made of outer tube 231, inner tube 232 and casing rubber layer 233, described outer
Pipe 231 is nested in the outside of inner tube 232, and the vulcanization of rubber layer 233 is between outer tube 231 and inner tube 232；The vibration damping cushion
24 are made of inner panel 241, outside plate 242 and cushion rubber layer 243, and the vulcanization of cushion rubber layer 243 is in inner panel 241 and outside plate
Between 242；232 wall thickness dimension of inner tube of the vibration damping casing 23 is greater than the wall thickness dimension of outer tube 231；The inner panel 241 it is interior
Loop diameter is greater than the race diameter of said inner tube 232, and the outer ring that the inner ring diameter of the outside plate 242 is less than said inner tube 232 is straight
Diameter, after installation, the end face of said inner tube 232 is acted against on 242 end face of outside plate, and the vibration damping cushion 24 and limit connecting rod
The sealing cavity of storage lubricating grease is formed between 21.
Compared with prior art, the utility model has the beneficial effects that:
1, Antenna Type selector gear described in the utility model directly controls speed changer by longitudinal extension bar assembly, passes
It is few to pass link, is conducive to reduce frictional resistance, gap, shock and vibration and noise etc.；
2, Antenna Type selector gear number of parts described in the utility model is few, structure is simple, light weight and cost is low；
3, this Antenna Type selector gear many places use sealing, vibration damping, sound insulation, impact mitigation measure, improve relaxing for driving
Adaptive；
4, Antenna Type selector gear described in the utility model solves the problems, such as that handle shakes and falls to keep off, and improves and drives
Comfort；
5, Antenna Type selector gear described in the utility model can be realized using hydraulic Lock mechanism in driver's cab turnover
It opens simultaneously, suitable for different automobile types, part less varieties, versatility is good；
6, oil pipe and tracheae are used two-part inserting mode by Antenna Type selector gear described in the utility model, and
Vehicle dash panel realizes connection, dismounts very convenient.
Detailed description of the invention
Fig. 1 is the schematic perspective view of Antenna Type selector gear described in the utility model；
Fig. 2 is the main view of Antenna Type selector gear described in the utility model；
Fig. 3 is the top view of Antenna Type selector gear described in the utility model；
Fig. 4 a is the main view of variable-speed manipulator assembly in Antenna Type selector gear described in the utility model；
Fig. 4 b is the three-dimensional view of variable-speed manipulator assembly in Antenna Type selector gear described in the utility model；
Fig. 4 c is in Antenna Type selector gear described in the utility model, and the internal structure of variable-speed manipulator assembly is illustrated
Figure；
Fig. 4 d is the handle vibration state of variable-speed manipulator assembly in Antenna Type selector gear described in the utility model
Schematic diagram；
Fig. 5 is I position partial enlarged view in Fig. 2；
Fig. 6 is A-A cross-sectional view in Fig. 5.
Fig. 7 is the structural schematic diagram of vibration damping casing in Antenna Type selector gear described in the utility model；
Fig. 8 is II position partial enlarged view in Fig. 6；
In figure:
1- variable-speed manipulator assembly, 2- vibration damping limit assembly, 3- longitudinal extension bar assembly, 4- support rod connecting assembly,
5- shifting supporting support；
101- mounting plate, 102- sealing ring, 103- control stick, 104- handle,
105- sheath, 106- buckle, 107- tracheae, 108- couple arm assembly,
109- bulb, 110- ball cup, 111- ball head bushing, 112- elastic rubber ring,
113- bushing pad, 114- spacer pin, 115- cushion blocking；
21- limit connecting rod, 22- axle sleeve, 23- vibration damping casing, 24- vibration damping cushion,
25- bushing, 26- casing；Bolt is connected on 27-, connects bolt under 28-；
231- outer tube, 232- inner sleeve, 233- casing rubber layer；
241- inner panel, 242- outside plate, 243- cushion rubber layer；
A- carpet, the first cab floor of B-, the second cab floor of C-, D- vehicle cab front wall,
The chassis E- harness, F- vehicle frame, G- speed changer, H- sealing cavity.
Specific embodiment
For the technical solution of the utility model and its course of work is further described, in conjunction with Figure of description, this is practical new
The specific embodiment of type is as follows:
As shown in Figure 1, Figure 2 and Figure 3, the utility model provides a kind of Antenna Type selector gear, the speed change behaviour
Vertical mechanism limits assembly 2, longitudinal extension bar assembly 3, support rod connecting assembly 4, shifting by variable-speed manipulator assembly 1, vibration damping
Supporting support 5 and oil pipe 6 form.
Wherein, the link arm of 1 bottom of variable-speed manipulator assembly limits assembly 2 and longitudinal extension bar assembly by vibration damping
3 one end is connected, and the end of the other end of the longitudinal extension bar assembly 3 is connected with the shifting arm of speed changer G, longitudinal extension
The tip inside of the other end of bar assembly 3 passes through the shell of support rod connecting assembly 4 and shifting supporting support 5 and speed changer G
It is connected, shifting movement is transferred to the shifting arm of speed changer G by longitudinal extension bar assembly 3 by variable-speed manipulator assembly 1, from
And it realizes and the shifting of speed changer G is operated.
As shown in Fig. 4 a, Fig. 4 b and Fig. 4 c, the variable-speed manipulator assembly 1 is by mounting plate 101, sealing ring 102, control stick
103, handle 104, sheath 105, buckle 106, tracheae 107, connection arm assembly 108, bulb 109 and bulb seat assembly composition.
As shown in Fig. 2, Fig. 4 b and Fig. 4 c, the left and right sides (or front and rear sides) edge of the mounting plate 101 vertically to
Flange is had, the flange is used to enhance the support strength of mounting plate 101, to prevent mounting plate 101 to be deformed；Described
The upper surface surrounding position of mounting plate 101 is pasted with gasket, and the mounting plate 101 is mounted under the first cab floor B
When side, mounting plate 101 and the first cab floor B are installed, the gasket is with being pressed in mounting plate 101 and the first driver's cabin
Between plate B, installation gap between the two can be effectively eliminated；Several mounting plates are provided with along the surrounding of the mounting plate 101 to connect
Hole is connect, installation crab bolt is welded in the bottom of the mounting plate 101 position corresponding with mounting plate connecting hole, in mounting plate
Installation crab bolt is directly welded in 101 bottom, so that can will only pacify from the top of mounting plate 101 assembly mounting plate connection bolt
Loading board 101 is fixed together with the first cab floor B, and then realizes the variable-speed manipulator being fixedly mounted on driving
On the floor of room, installation is simple and convenient, easily operated；Ball cup installing port is also provided on the mounting plate 101.
As shown in Fig. 2, Fig. 4 b and Fig. 4 c, the sealing ring 102 is located at the top of mounting plate 101, the foreign steamer of sealing ring 102
Profile shape is corresponding with the shape of variable-speed manipulator assembly installing port on the first cab floor B, and the foreign steamer of sealing ring 102
Exterior feature is greater than the size of variable-speed manipulator assembly installing port, and sealing ring 102 is pressed in mounting plate 101 and cab floor after positioning
Between, and control stick mounting hole is reserved on sealing ring 102；The sealing ring 102 is used and is made from the soft foam of skinning PUR；
The setting of sealing ring 102 is so that play good sealing, vibration damping and sound insulation effect between variable-speed manipulator assembly and cab floor
Fruit.
As shown in Fig. 2, Fig. 4 a and Fig. 4 c, 103 lower end of control stick passes through mounting plate 101, and the top of control stick 101 is certainly
Handle 104, sheath 105 and buckle 106 are successively installed under above；The screw top of the handle 104 and control stick 103 connects
It connects, and by handle nut axial restraint, control stick 103 is controlled by handle 104 and carries out left and right directions block selecting and front-rear direction
Gear shifting action；The sheath 105 is sleeved on control stick 103, and sheath 105 is made of such as rubber elastomeric material, and sheath 105 is
The upper end bore of positive cone structure, i.e. sheath 105 is smaller, and lower end bore is larger, and the upper end caliber size of the sheath 105 is less than
The upper end of the excircle size of 104 lower end of handle, sheath 105 is locked on 104 lower end excircle of handle by elastic deformation
Be equipped with inside flange in annular groove, at the lower end outer of sheath 105 and form the upward inner trough structure of notch, and with buckle
Card slot at 106 tops outer is coupled；The buckle 106 is sleeved on control stick 103, in the upper end outer of buckle 106
Equipped with downward flange and the downward notch of notch is formed, as previously mentioned, the notch and sheath of the buckle 106
105 inner trough structure is coupled, and is equipped with the claw of back taper, the buckle 106 in the bottom surrounding outer along buckle 106
Indoor carpet A will be driven to be pressed into the mounting hole of cab floor, and indoor carpet and driver's cabin will be driven by claw
Along clamping in the mounting hole on floor.
As shown in fig. 4 a, gas circuit quick connector is installed in the lower end of the handle 104, one end of the tracheae 107 is inserted
It connects in the quick connector, the tracheae 107 is arranged along control stick 103 and cab floor, and the other end of tracheae 107 exists
Cab front wall is connect with chassis harness；In addition, being additionally provided with switch on the handle 104, pass through pressing or release switch
The connection or disconnection of the high-pressure gas circuit in tracheae 107 are controlled, realizes high to low gear handover operation.
It can be seen from the above, passing through the handle 104 and its lower end of sheath 105 and the upper end along the direction of control stick 103
Buckle 106 between gapless socket, then, the carpet packaging type of driver's cabin 106 is fitted in cab floor by buckle
Mounting hole in, the leakproofness of the speed-changer operation assembly above cab floor is fabulous, easy for installation and smoother outer
Portion's mounting connection structure makes the exposed speed-changer operation assembly part above cab floor seem succinct, beautiful and big
Side, further improves the driving experience of driver.
As illustrated in fig. 4 c, the bulb 109 is located at the rotation centre of sphere of 103 lower end of control stick, and bulb 109 is fitted in manipulation
On bar 103, control stick 103 can rotate freely around the center of bulb 109；The bulb 109 is mounted on ball cup
In assembly, the bulb seat assembly is made of ball cup 110, ball head bushing 111, elastic rubber ring 112 and bushing pad 113；
The ball cup 110 is connected to each other by the identical oblate cylindricality ball cup shell of upper and lower two structures and is formed, in ball cup 110
Center be provided with the mounting hole passed through for control stick 3, ball cup 110 middle part circumferencial direction be equipped with annular connection outer,
The top of the ball cup 110 is mounted in the ball cup installing port of mounting plate 101, the connection outer top surface top of ball cup 110
On the bottom surface for leaning against mounting plate 101, the connection outer of the ball cup 110 is bolted to connection on mounting plate 101；
The bulb 109 is mounted on the center in ball cup 110, between bulb 109 and upper and lower two ball cup shells respectively
Upper and lower two ball head bushings 111 are installed, the ball head bushing 111 is using wear-resisting, coefficient of friction is small and durable non-aging
Oil-containing POM material is made；Upper and lower two ball head bushings 111 clamp intermediate bulb 109, on the one hand by the rotation of bulb 109
Center is fixed, and spherical surface friction is on the other hand formed between bulb 109, so that control stick 103 is along bulb 109
Turning moment is uniformly reliable, and effectively reduces vibration noise.The bushing pad 113 is mounted on the ball of 110 lower inside of ball cup
The bottom of head bushing 111, is supported with the ball head bushing 111 to lower section；The installation of elastic rubber ring 112 is pressed on bulb
In the top annular groove of the ball head bushing 111 of 110 inner uppers of seat；112, two ball head bushings 111 of elastic rubber ring and
Bushing pad 113, which is mounted on together in ball cup 110, forms bulb seat assembly；After the elastic rubber ring 112 is compacted deformation, institute
The elastic force of generation effectively eliminates the gap between bulb 109 and two 111 mating surfaces of ball head bushing, passes through this simple knot
Structure compensates automatically after playing the role of abrasion.
As illustrated in fig. 4 c, the connection arm assembly 108 is made of a connection cantilever crane and two spacer pins 114；Wherein, institute
It states connection cantilever crane to be welded to form by a splice sleeve of upper middle position with the monosymmetric bracket in lower part, the coupling sleeve
Pipe sleeve dress and riveting are fixed on the lower end of control stick 103, the pedestal upper end horizontal parallel and are symmetrically provided with two groups of mounting holes,
Two 114 horizontal parallel of spacer pin settings, and the equal riveting in both ends is connected in two groups of mounting holes of bracket and realizes fixation；The bracket
Hinge hole is provided among lower end, which is transferred to longitudinal direction for shifting movement for installing vibration damping limit assembly 2, to realize
Telescopic rod assembly 3.
As shown in figure 5, the connection arm assembly 108 of 1 lower end of speed executor assembly limits assembly 2 and longitudinal direction by vibration damping
The front end of telescopic rod assembly 3 is connected.
As shown in fig. 6, vibration damping limits assembly 2 by limit connecting rod 21, axle sleeve 22, vibration damping casing 23, vibration damping cushion 24, bushing
25, casing 26, upper connection bolt 27 and lower connection bolt 28 composition.The upper and lower side of the limit connecting rod 21 has a company
Connect hole, limit connecting rod 21 top be equipped with limited block, limit connecting rod 21 upper connecting hole by upper connection bolt 27 with couple
The pedestal lower end hinge hole of connection cantilever crane in arm assembly 108 is hinged；The lower connecting hole of limit connecting rod 21 passes through lower connection bolt
28 is hinged with the hook-shaped connection frame of 3 front end of longitudinal extension bar assembly；As shown in figure 5, the spacer pin 114 of connection arm assembly 108
The distance between limited block side at 21 top of limit connecting rod of outermost circumferential surface and corresponding side is limit distance L；
As shown in fig. 6, the upper connection bolt 27 couples from connection arm assembly 108 is mounted across connection cantilever crane on the outside of cantilever crane
With limit connecting rod 21 upper connecting hole, it is described limit connecting rod 21 on connecting hole two sides end face with couple cantilever crane inner side end it
Between be mounted on vibration damping cushion 24；On the lateral wall and limit connecting rod 21 of upper connection bolt 27 between the inner sidewall of connecting hole,
It is successively set with vibration damping casing 23 and axle sleeve 22 from inside to outside；It the upper end of the limit connecting rod 21 can be relative to connection arm assembly 108
Couple cantilever crane rotation.
Wherein, the structure and number of patent application of the vibration damping casing 23 and vibration damping cushion 24 are as follows: 201620311197.5, specially
" vibration damping casing " and " vibration damping cushion " in sharp entitled " a kind of vibration damping bindiny mechanism for selector gear " is identical；
As shown in fig. 7, the vibration damping casing 23 is made of outer tube 231, inner tube 232 and casing rubber layer 233, the outer tube
231 are nested in the outside of inner tube 232, and the rubber layer 233 selects suitable stiffness as required, vulcanize in outer tube 231 and inner tube
Between 232；232 wall thickness dimension of inner tube of the vibration damping casing 23 is greater than the wall thickness dimension of outer tube 231.Inner tube 232 uses wall thickness
Thicker steel pipe, the pretightning force for making it bear to connect bolt 27, the steel pipe relatively thin using wall thickness of outer tube 231, and surface applies
Lubricating grease functions similarly to the effect of bushing.
As shown in figure 8, the vibration damping cushion 24 is made of inner panel 241, outside plate 242 and cushion rubber layer 243, the inner panel
241 and outside plate 242 be steel plate, the cushion rubber layer 243 vulcanization is between inner panel 241 and outside plate 242.Vibration damping cushion 24 is adopted
With vulcanized rubber structure among double-layer plate, can effectively buffer limit connecting rod 21 couple between cantilever crane with arm assembly 108 is coupled
Vibration.The inner ring diameter of the inner panel 241 of the vibration damping cushion 24 is greater than the race diameter of the inner tube 232 of the vibration damping casing 23,
The inner ring diameter of the outside plate 242 of the vibration damping cushion 24 is less than the race diameter of the inner tube 232 of the vibration damping casing 23, described interior
Pipe 232 is greater than outer tube 231 along the axial length.After installation, the end face of said inner tube 232 is acted against on 242 end face of outside plate,
The end face of the outer tube 231 acts against on the end face of the inner panel 241, so that between the vibration damping cushion 24 and limit connecting rod 21
Sealing cavity H is formed, stores lubricating grease, and play the role of sealing and dustproof.
The axle sleeve 22 is sleeved on 23 outer wall of vibration damping casing and the limit connecting rod 21 between connecting hole inner wall.
As shown in fig. 6, the outside installation of hook-shaped connection frame of the lower connection bolt 28 from 3 front end of longitudinal extension bar assembly
Across the lower connecting hole of hook-shaped connection frame and limit connecting rod 21, connected under the lateral wall and limit connecting rod 21 of lower connection bolt 28
Between the inner sidewall in hole, tubing 26 and bushing 25 are successively covered from inside to outside；Described sleeve pipe 26 is sleeved on lower connection bolt 28
Outside；3 front end of longitudinal extension bar assembly can be rotated freely relative to the lower end of limit connecting rod 21.
There are two the bushings 25, is separately mounted to 26 both ends of casing, wherein 25 end outer of bushing presses against telescopic rod
Between the hook-shaped connection frame medial surface of assembly 3 and the lower connecting hole outer end face for limiting connecting rod 21, the sleeve part of bushing 25 is set with
On the lateral wall of casing 26, the bushing 25 is made of oil-containing POM material, and bushing 25 can play the work of bearing and vibration damping
With, while can realize non-maintaining；The sleeve 26 is compacted after installing plays the role of support, and sleeve 26 can be in bushing 25
Inside it is freely rotated.
The upper end of limit connecting rod 21 can couple cantilever crane rotation relative to connection arm assembly 108 as previously described, and the rotation is
It realizes in a certain range.As shown in Fig. 4 c and Fig. 4 d, in vehicle travel process, vibration damping limits the limit connection of assembly 2
Along the hinged axially bored line below connection cantilever crane position rotation offset occurs for bar 21 due to Vehicular vibration, the spacer pin 114 with
Limit distance is overcome between the limited block at 21 top of limit connecting rod and is interfered, thus inclined to the vibration of limit connecting rod 21
Shifting amount is limited, in addition, also setting to reduce because of impact caused by interference in the external peripheral surface of the spacer pin 114
There is cushion blocking 115.In stationary vehicle, the outermost circumferential surface of the spacer pin 114 and the limit connecting rod of corresponding side
The distance between the limited block side at 21 tops is limit distance L, during being used cooperatively with limit connecting rod 21, due to
The presence of lowermost limit distance L, so that limit 21 other end of connecting rod is total by longitudinal extension bar in the case where high vibration
The case where avoiding the occurrence of off-gear at the speed changer of 3 connections, improves the operating reliability of variable-speed manipulator；The vibration damping limit is total
Operating mechanism vibration can be effectively reduced while at 2 transmitting shifting movement, the vibration of decay engine and power assembly,
Eliminate vibration noise, significant increase driver comfort.
Also just because of the presence of lowermost limit distance L, so that generating handle idle stroke S at the handle 104 on top, pass through
Adjustment limit distance L realizes that handle idle stroke S changes between 30mm-50mm, can reduce road conditions harsh conditions and rush to handle
It hits, handle shaking can be eliminated, improve operating comfort.
As shown in Figure 1, Figure 2 and Figure 3, the longitudinal extension bar assembly 3 is commonly used using in existing benz brand commercial vehicle
Antenna Type longitudinal extension rod structure, mainly by the Antenna Type telescopic rod of leading portion, back segment vertical supporting bar and be located at day
The hydraulic locking mechanism of wire type telescopic rod front end forms.It is stretched with Antenna Type the vertical supporting bar front end of longitudinal extension bar assembly 3
Contracting bar is connected, and rear end is connected with the shifting arm of speed changer G, is the front side of shifting arm link position, the longitudinal bracing
Bar is connected by support rod connecting assembly 4 and shifting supporting support 5 with the outer housing of speed changer G, wherein shifting support branch
The bottom of frame 5 is fixed on the shell of speed changer G, and the support rod connecting assembly 4 is by intermediate support rod connecting rod and is located at
The bulb at both ends forms, and one end of support rod connecting assembly 4 is hinged by bulb and the top of shifting supporting support 5, another
End is hinged by the vertical supporting bar of bulb and longitudinal extension bar assembly 3.The support rod connecting assembly 4 plays support, guiding
And the effect of adjustment block selecting speed ratio, so that longitudinal extension bar assembly 3 is under the manipulation and control of variable-speed manipulator assembly 1, effectively
And steadily to the transmitting shifting movement of the shifting arm of speed changer G.In addition, being additionally provided in the front end of longitudinal extension bar assembly 3
Hook-shaped connection frame, for being connect with the lower end connecting hole of limit connecting rod 21.
When vehicle travels, hydraulic locking mechanism, which is in, closes lockup state, Antenna Type telescopic rod and vertical supporting bar
It is integral, shifting movement can be transmitted, realize and the shifting of speed changer G is operated；Vehicle stop and driver's cabin lifting or
When whereabouts, hydraulic oil enters hydraulic locking mechanism, and hydraulic locking mechanism is in the open state, and Antenna Type telescopic rod can picture
" antenna " is equally axially elongated or shortens.
As shown in Fig. 2, as previously mentioned, the rear end of the tracheae 107 is plugged in the quick connector of 104 lower end of handle, institute
The rear end for stating oil pipe 6 is connected with the hydraulic fluid port of the hydraulic locking mechanism of longitudinal extension bar assembly 3；The tracheae 107 and oil pipe 6 one
With along the second cab floor C (the first cab floor B and the second cab floor C are the bottom plate in vehicle drive room,
Only indicate different positions) it makes in order forward, and extend at vehicle cab front wall D.It is wrapped in chassis harness E in vehicle chassis
Contain Chassis vitta and chassis tracheae, wherein the rear end of Chassis vitta is connected with the lifting pump hydraulic fluid port of driver's cabin, chassis tracheae
Rear end is connected with speed changer G, and the vehicle frame F that the chassis harness E containing chassis tracheae and Chassis vitta is passed through extends forward, and extends
To vehicle cab front wall D, at vehicle cab front wall D, the tracheae 107 realizes connection, institute with the grafting of chassis tracheae
State oil pipe 6 and Chassis vitta grafting and realize connection, connect the oil pipe 6 of 3 hydraulic locking mechanism of longitudinal extension bar assembly with connect
The Chassis vitta of driver's cabin lifting pump is connected, and the rotary movement of the breakdown action and driver's cabin of realizing hydraulic locking mechanism is same
Step, when driver's cab turnover, 3 lockable mechanism of longitudinal extension bar assembly is synchronous to be opened, and can be stretched accordingly with driver's cabin landing.
As previously mentioned, the tracheae 107 and oil pipe 6 are made in order along the second cab floor C, and with chassis harness in vehicle
Grafting is realized at cab front wall D, so that the connection installation of harness becomes very convenient, avoids the complexity of previous harness installation
Process.
In conclusion many places are arranged using sealing, vibration damping, sound insulation in Antenna Type selector gear described in the utility model
It applies, part couples installation using buckle or bolt-connection, and vibration damping limited block etc. uses non-maintaining structure, and oil pipe and tracheae edge are driven
It sails room floor and makes in order forward to front wall and couple with chassis harness.The structure solves the problems such as sealing, vibration, sound insulation, has simultaneously
High reliablity, manipulation feel be clear, good appearance, it is easy for installation the features such as, greatly improve driver comfort and vehicle quality.
Claims (9)
1. a kind of Antenna Type selector gear, it is characterised in that:
By variable-speed manipulator assembly (1), vibration damping limit assembly (2), longitudinal extension bar assembly (3), support rod connecting assembly (4),
Shifting supporting support (5) and oil pipe (6) composition；
Control stick (103) lower end of the variable-speed manipulator assembly (1) is fixed with connection arm assembly (108), and the link arm is total
It is made of at (108) connection cantilever crane and spacer pin (114), two spacer pins (114) are installed in parallel in connection cantilever crane top two sides；
It is equipped with limited block at the top of limit connecting rod (21) in vibration damping limit assembly (2), limits upper end and the connection of connecting rod (21)
It connects among arm assembly (108) lower part hingedly, and has gap in the horizontal direction between limited block and two spacer pins (114),
So that limited block is swung within the scope of two spacer pin (114) defined positions；Limit lower end and the longitudinal extension bar of connecting rod (21)
The front end connection frame of assembly (3) is hinged；
The longitudinal extension bar assembly (3) by hydraulic locking mechanism, Antenna Type telescopic rod and vertical supporting bar along front and back successively
Connection composition, longitudinal bracing rod rear end are connected with the shifting arm of speed changer, and the rear side of vertical supporting bar is also connect with support rod
One end of assembly (4) is hinged, the other end of support rod connecting assembly (4) and shifting supporting support (5) hingedly, the shifting
Supporting support (5) is fixedly mounted on the outer housing of speed changer；
The rear end of the oil pipe (6) is connected with the hydraulic fluid port of hydraulic locking mechanism；
Shifting movement is transferred to longitudinal extension bar assembly (3) by vibration damping limit assembly (2) by variable-speed manipulator assembly (1),
Shifting movement is transferred to speed changer under the support of support rod connecting assembly (4) by longitudinal extension bar assembly (3), and then is realized
The shifting of speed changer acts.
2. a kind of Antenna Type selector gear as described in claim 1, it is characterised in that:
The variable-speed manipulator assembly (1) is by mounting plate (101), sealing ring (102), control stick (103), handle (104), sheath
(105), (106), connection arm assembly (108), bulb (109) and bulb seat assembly composition are buckled；
The mounting plate (101) is fixedly mounted on cab floor bottom, and the sealing ring (102) is arranged in mounting plate (101)
Between cab floor, sheath (105) both ends are socketed in respectively between handle (104) and buckle (106), the buckle
(106) it is sleeved on control stick (103), and spiral-lock realizes sealing on cab floor；
The bulb seat assembly is mounted on mounting plate (101), and the bulb (109) is fixed on control stick (103) lower part and pacifies
In bulb seat assembly；
Connection arm assembly (108) is fixed on the lower end of control stick (103).
3. a kind of Antenna Type selector gear as claimed in claim 2, it is characterised in that:
The handle (104) connect with the screw top of control stick (103), and passes through handle nut axial restraint；
The upper end of the sheath (105) is locked in the groove of handle (104) outer surface, sets at the lower end outer of sheath (105)
There is inside flange and forms the upward inside groove of notch；
The buckle (106) is sleeved on control stick (103), is equipped with downward flange and shape in the upper end outer of buckle (106)
It is cooperatively connected at the inside groove of the card slot that notch is downward, the card slot and sheath (105) that buckle (106), buckles the bottom outer of (106)
Claw equipped with back taper, the buckle (106) are interior along clamping by the mounting hole of claw and cab floor.
4. a kind of Antenna Type selector gear as claimed in claim 2, it is characterised in that:
The bulb seat assembly is by ball cup (110), ball head bushing (111), elastic rubber ring (112) and bushing pad (113)
Composition；
The ball cup (110) is equipped with connection outer, and the top of the ball cup (110) is mounted on the bulb of mounting plate (101)
In seat installing port, the connection outer of ball cup (110) is fixedly connected on mounting plate (101), and the bulb (109) passes through up and down
Two ball head bushings (111) are arranged to be installed in ball cup (110), and form spherical surface friction, the bushing pad (113) is mounted on
The bottom of the ball head bushing (111) of lower section, elastic rubber ring (112) installation are pressed on the ball head bushing (111) of top
Top.
5. a kind of Antenna Type selector gear as claimed in claim 2, it is characterised in that:
Gas circuit quick connector is installed in the lower end of the handle (104), the rear end of tracheae (107) is plugged on the quick connector
In, tracheae (107) is arranged along control stick (103) and cab floor；
It is additionally provided with switch on the handle (104), passes through the high-pressure gas circuit in pressing or release switch control tracheae (107)
Connection or disconnection.
6. a kind of Antenna Type selector gear as claimed in claim 5, it is characterised in that:
The oil pipe (6) and tracheae (107), which each along cab floor bunchy are arranged to vehicle cab front wall, to be extended, and is contained
The vehicle chassis harness of Chassis vitta and chassis tracheae passes through vehicle frame and extends to vehicle cab front wall；
The front end of the oil pipe (6) is connected at vehicle cab front wall with the front end of Chassis vitta, so that fluid pressure type locking machine
Structure is identical as driver's cabin lifting pump oil circuit, and the breakdown action for realizing hydraulic locking mechanism is synchronous with the rotary movement of driver's cabin；
The front end of the tracheae (107) is connected at vehicle cab front wall with chassis tracheae.
7. a kind of Antenna Type selector gear as described in claim 1, it is characterised in that:
The bottom of the shifting supporting support (5) is fixed on the shell of speed changer；
The support rod connecting assembly (4) is made of intermediate support rod connecting rod and the bulb positioned at both ends, support rod connection
One end of assembly (4) is hinged by bulb and the top of shifting supporting support (5), and the other end passes through bulb and vertical supporting bar
Hingedly.
8. a kind of Antenna Type selector gear as described in claim 1, it is characterised in that:
Vibration damping limit assembly (2) is by limit connecting rod (21), axle sleeve (22), vibration damping casing (23), vibration damping cushion (24), bushing
(25), casing (26), upper connection bolt (27) and lower connection bolt (28) composition；
The upper and lower side of limit connecting rod (21) has a connecting hole, and the upper connecting hole of limit connecting rod (21) passes through upper company
Connecting bolt (27) and the connection cantilever crane lower end coupled in arm assembly (108) are hinged, under the lower connecting hole of limit connecting rod (21) passes through
It connects bolt (28) and the connection frame of longitudinal extension bar assembly (3) front end is hinged；
The end face of connecting hole two sides is mounted on vibration damping cushion with coupling in limit connecting rod (21) between cantilever crane inner side end
(24)；On the lateral wall of upper connection bolt (27) and limit connecting rod (21) between the inner sidewall of connecting hole, from inside to outside successively
It is set with vibration damping casing (23) and axle sleeve (22)；
It between the inner sidewall of connecting hole, is successively being covered from inside to outside under the lateral wall of lower connection bolt (28) and limit connecting rod (21)
Tubing (26) and bushing (25).
9. a kind of Antenna Type selector gear as claimed in claim 8, it is characterised in that:
The vibration damping casing (23) is made of outer tube (231), inner tube (232) and casing rubber layer (233), the outer tube (231)
It is nested with the outside in inner tube (232), rubber layer (233) vulcanization is between outer tube (231) and inner tube (232)；
The vibration damping cushion (24) is made of inner panel (241), outside plate (242) and cushion rubber layer (243), the cushion rubber layer
(243) vulcanization is between inner panel (241) and outside plate (242)；
Inner tube (232) wall thickness dimension of the vibration damping casing (23) is greater than the wall thickness dimension of outer tube (231)；
The inner ring diameter of the inner panel (241) is greater than the race diameter of said inner tube (232), and the inner ring of the outside plate (242) is straight
Diameter is less than the race diameter of said inner tube (232), and after installation, the end face of said inner tube (232) acts against the outside plate (242) end
The sealing cavity of storage lubricating grease is formed on face, and between the vibration damping cushion (24) and limit connecting rod (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124741.0U CN208845704U (en) | 2018-07-17 | 2018-07-17 | A kind of Antenna Type selector gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124741.0U CN208845704U (en) | 2018-07-17 | 2018-07-17 | A kind of Antenna Type selector gear |
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| Publication Number | Publication Date |
|---|---|
| CN208845704U true CN208845704U (en) | 2019-05-10 |
Family
ID=66353270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821124741.0U Withdrawn - After Issue CN208845704U (en) | 2018-07-17 | 2018-07-17 | A kind of Antenna Type selector gear |
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| CN (1) | CN208845704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757926A (en) * | 2018-07-17 | 2018-11-06 | 汽解放汽车有限公司 | A kind of Antenna Type selector gear |
-
2018
- 2018-07-17 CN CN201821124741.0U patent/CN208845704U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757926A (en) * | 2018-07-17 | 2018-11-06 | 汽解放汽车有限公司 | A kind of Antenna Type selector gear |
| CN108757926B (en) * | 2018-07-17 | 2024-01-19 | 一汽解放汽车有限公司 | Antenna type speed-changing control mechanism |
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