CN109849868A - A kind of mechanical support device of auxiliary replacement spare tyre - Google Patents
A kind of mechanical support device of auxiliary replacement spare tyre Download PDFInfo
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- CN109849868A CN109849868A CN201910230506.4A CN201910230506A CN109849868A CN 109849868 A CN109849868 A CN 109849868A CN 201910230506 A CN201910230506 A CN 201910230506A CN 109849868 A CN109849868 A CN 109849868A
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- support
- lift
- spare tyre
- support device
- cylinder
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Abstract
The present invention discloses a kind of mechanical support device of auxiliary replacement spare tyre, and with substitution in support vehicle use process, jack needs to remain holding state, can not withdraw problem.Including chassis assembly, step mounting disc and U-shaped installing frame are provided on chassis assembly, the inner cavity of U-shaped installing frame is provided with U-shaped crankshaft, it is rotatablely connected between U-shaped crankshaft and U-shaped installing frame by bearing, connecting shaft is provided in the middle part of U-shaped crankshaft, the outer wall of connecting shaft is rotationally arranged with the swing set cylinder that inclines, the top of swing set of inclining cylinder, which successively has to incline, puts support column, lift adjustment cylinder, lifting slider, lift supporting rod, spring limiting board, stretch spring, support rail, the bottom of support rail and the top of lift supporting rod are hinged, support rail is equipped with roll adjustment sliding block and support jacking block, the interior restricted mechanism of lift adjustment cylinder.The present apparatus has can be in use on the especially slope pavement of different road surfaces, and band non-skid feature, structure is simple, dismounts and easy to carry, practical.
Description
Technical field
The present invention relates to a kind of mechanical support devices of auxiliary replacement spare tyre, belong to mechanical support device technical field.
Background technique
With the raising of economic level, car gradually comes into huge numbers of families, becomes the walking-replacing tool of people's trip.But
When running car is on highway, when blowing out suddenly, re-type becomes a greatly trouble；Existing most commonly seen mode
Tire exactly is taken one's place using very heavy, but jack has that clinoform can not stablize placement outdoors.Based on this, apply
Number for " a kind of novel jack for car auxiliary support apparatus " disclosed in CN201720578400.X, including storage slot and bottom
There are knob in pad, support ontology and threaded rod, one end of threaded rod, and the other end has movable plate, and fixed strip is mounted on fixed plate body；
Inner thread sleeve one is mounted on support ontology, and internal screw thread one is arranged in inner thread sleeve one, thread conical bar and internal screw thread one
It is threadedly coupled；Inner thread sleeve two be mounted on support ontology on, internal screw thread two be arranged in inner thread sleeve two, screw thread straight-bar with
Internal screw thread two is threadedly coupled, and support plate is flexibly connected with screw thread straight-bar, and tread plate is installed on the supporting plate.Although the device meets
Jack horizontally-supported automobile condition always, and it is suitable for jack of different sizes, but the deficiency in practical application is:
It supports in vehicle processes, jack needs to remain holding state, can not withdraw, since part jack still uses hydraulic branch
Support or electronic support etc. do not ensure complete stability supporting way, if jack is under load support working condition for a long time, weight
Then there is failure risk, causing jack, (or overload) use leads to malformation for a long time.
New patent " a kind of level(l)ing device of jack " (201020261975.7) includes that axis connects at jack bottom
The spur rack and lock pawl for being used to adjust angle in portion, can make at jack according to the angular adjustment angle positioning on slope
In or be approximately at horizontality, it is clear that the device is only only used for the lighter object of supporting power, the support of link rod structure
Pedestal stability is poor；New patent " a kind of fixation jack " on the slope (201310070425.5) is existed using the hardened structure of bar
The support of mechanical four-bar linkage structure jack is realized on slope, support rod 103 is supported on the side of support plate 101.The knot
Structure equally exists the problems such as stability of strutting system is poor；New patent " jack for having three-dimensional synchronous push function "
(201620122269.1) it is suitable for the three-dimensional pushing tow of heavy loading object, it has not been convenient to be used for kart class；New patent is " a kind of hydraulic
Jack " (201720272933.5) is convenient and practical although structure is simple, is then not easy in the presence of adjusting when using on the slope,
The problems such as stability of strutting system is poor；New patent " a kind of jack lower bracket component fixed on the slope "
(201720950519.5) though having the characteristics that small and exquisite practical, it is only applicable to light grade use, road holding is poor, and when use easily beats
It is sliding；Likewise, new patent " a kind of available jack in slope " (201721230453.9) is only applicable to the light object of light grade
Part support, and there is no anti-skid device.
Summary of the invention
The purpose of the present invention is to provide a kind of mechanical support devices of auxiliary replacement spare tyre, to solve to make in support vehicle
With in the process, jack needs to remain holding state, can not withdraw problem, especially because most of jack uses liquid
Pressure support, if jack is in for a long time under high load support working condition, there are the risks of failure of removal for weight；If one
A little slimline jack, then may cause jack long-time (or overload), use leads to malformation, while more infusing
It overweights practical, has the non-skid feature that can be used for not pavement behavior, tolerance is strong, and structure is simple, dismounting and carrying side
Just, practical.
To achieve the above object, the invention provides the following technical scheme:
A kind of mechanical support device of auxiliary replacement spare tyre, comprising: chassis assembly is provided with step mounting disc on chassis assembly,
It is characterized by: being fixedly installed U-shaped installing frame at the top center of the chassis assembly, the inner cavity of the U-shaped installing frame is set
It is equipped with U-shaped crankshaft, is provided with semiaxis at left and right sides of the U-shaped crankshaft, the semiaxis left and right sides with U-shaped installing frame respectively
Wall is rotatablely connected by bearing, is provided with connecting shaft in the middle part of the U-shaped crankshaft, the outer wall of connecting shaft, which is rotationally arranged with, to incline
Swing set cylinder, the outer wall top of the swing set cylinder that inclines, which is connected with to incline, puts support column, it is described incline to putting be fixedly connected at the top of support column
Lift adjustment cylinder, the inner cavity sliding of the lift adjustment cylinder are provided with lifting slider, consolidate at the top center of the lifting slider
It is connected to lift supporting rod, the top of lift adjustment cylinder, the outer wall of the lift supporting rod are run through in the top of the lift supporting rod
It is fixedly installed spring limiting board, the outer wall of the lift supporting rod is arranged with stretching, extension spring, and the stretching, extension spring is connected to bullet
Between the bottom of spring limit plate and the top of lift adjustment cylinder, support rail is provided at the top of the lift supporting rod, it is described
The bottom center of support rail is hinged by the top of hinged seat and lift supporting rod, the left and right ends of the support rail
It symmetrically is arranged with roll adjustment sliding block, support jacking block is provided at the top of the roll adjustment sliding block, the outer wall of the lift adjustment cylinder is along diameter
To the main force's bolt being interspersed with for carrying lifting slider, the intracavity sidewall of the lift adjustment cylinder is provided with for limiting lifting
The limiting mechanism of sliding block.
Preferably, the lower part of the step mounting disc is bolted with the pedestal swivel nut disk of setting, the bottom of the step mounting disc
Portion, which is evenly arranged with, grabs ground rivet, and the bottom of the pedestal swivel nut disk offers for grabbing the rivet resigning mouthful that ground rivet stretches out,
Through reinforcing screw is bolted at left and right sides of the top of the step mounting disc, the bottom for reinforcing screw is connected to pedestal
The intracavity bottom edge of swivel nut disk passes through step mounting disc and pedestal swivel nut disk threaded, the week of pedestal swivel nut disk lowest part
While being evenly arranged with hard rubber block.The beneficial effect is that: can according to road surface condition, switching pedestal swivel nut disk with face contact or stretch
Ground rivet is grabbed out and carries out anti-skidding reinforcing, while hard rubber block is conducive to increase the frictional force with hard ground.
Preferably, step mounting disc upper surface opens up fluted, in use, U-shaped installation frame bottom is embedded in institute
It states in groove；When storage, U-shaped installing frame can take out from groove.
Preferably, the limiting mechanism includes the limitation mounting groove being opened on lift adjustment tube inner chamber side wall, the limit
Be provided with trapezoidal limited block in mounting groove processed, the trapezoidal limited block is right-angled trapezium block, and under the free state of bevel edge side to
Right stretching limits mounting groove, and the top of the trapezoidal limited block is by shipping and reselling on another market and limitation mounting groove front-rear side walls rotation connection, institute
It states trapezoidal limited block straight flange one side wall and offers spring mounting groove, the spring mounting groove inner cavity is provided with limit spring, described
The left end of limit spring is abutted against with limitation installation groove sidewall, and the trapezoidal limited block straight flange one side wall is hingedly provided with triggering and draws
The left side wall of lift adjustment cylinder is stretched out in the left end of bar, the triggering pull rod, and is connected with limit pull ring.The beneficial effect is that: it is logical
Limiting mechanism is crossed, lifting slider can be pushed and pass through the trapezoidal limited block holding in limiting mechanism and fixed when device leaves unused,
Reduce occupied space needed for device is stored.
Preferably, the side wall of the lift adjustment cylinder offers the fixed pin holes that cooperation is planted with main force's bolt, described solid
Fixed pin hole is distributed along the outer wall helical array of lift adjustment cylinder.The beneficial effect is that: it reduces upper and lower between adjacent fixed pin holes
Difference in height, so that device is adjustable to longer bearing height.
Preferably, it is provided with vulcanie pad at the top of the support jacking block, is offered at the top of the vulcanie pad
Counterbore is installed, and is mutually fixed by screw and support jacking block, is provided with anti-skid chequer at the top of the vulcanie pad.It is beneficial to effect
Fruit is: being conveniently replaceable vulcanie pad, plays the role of anti-skidding, further increases support stability.
Preferably, it is described incline put support column lower end and offer cylindrical thread hole, be provided with and be screwed on the swing set cylinder that inclines
Screw rod in cylindrical thread hole；Incline and puts support column lower end and lift adjustment cylinder fixing position is additionally provided with stiffener plate, the reinforcement
Gusset is uniformly arranged around the outer wall for putting support column that inclines.The beneficial effect is that: it can be easily by U-shaped installing frame and U-shaped crankshaft etc.
It takes out from inclining to putting in support column, be conducive to improve and incline and put the support strength of support column.
Preferably, the cross section of the support rail is rectangle, and the bottom of the roll adjustment sliding block is bolted with fixed for abutting
The positioning screw of position support rail.The beneficial effect is that: allow the spacing of roll adjustment sliding block described in two groups according to different vehicle
Chassis configurations are accordingly adjusted.
Preferably, the support rail is that middle part is swelled upwards, and both ends symmetrically sink to forming the shoulder that hangs down.The beneficial effect is that:
Play the role of reducing supporting gravity, improves device stability.
Preferably, the left and right ends of the support rail are provided with sliding block limited block.The beneficial effect is that: prevent roll adjustment
Sliding block excess of stroke slidable adjustment and be detached from support rail.
Preferably, on the groove at the step mounting disc central upper portion position, semicircle spherical groove, the pendulum that inclines are offered
In the cylindrical thread hole that support column lower end opens up, it is screwed with the bulb mandril of setting, the bulb diameter of the bulb mandril is less than
The spherical diameter of semicircle spherical groove.The beneficial effect is that: when supporting light matter part, half can also be withstood on using bulb mandril
Support construction in ball connected in star.
Compared with prior art, the beneficial effects of the present invention are:
1, auxiliary support apparatus of the present invention supports for a long time for substituting jack, in use, first passing through jack for vehicle top
It rises, then jack can be packed up after placing the present apparatus under vehicle chassis, substitution support is carried out by the present apparatus, since the present apparatus is
High-strength pure mechanical support structure, can exempting jack, support uses for a long time, and there are the risks of failure of removal, while can keep away
Exempting from jack (overload) use for a long time leads to malformation.
2, the present invention has the biggish pedestal swivel nut disk of bottom area, in use, can aggrandizement apparatus and ground in soft terrain
The contact area in face reduces pressure, while can be stretched out by adjustment base swivel nut disk and grab ground rivet, further functions as anti-bottom side
Sliding effect, is effectively improved support means bottom portion and the problem of sinking phenomenon occurs.
3, support rail and lift supporting rod of the present invention are hingedly cooperated by hinged seat, in slope pavement in use, allowing
There is the angle that tilts in device supporting surface and ground；Chassis assembly and inclining is put bent by U-shaped installing frame and U-shaped between support column
Axis is indirectly connected with, and device supporting surface and ground is allowed to there is the pendulum that inclines in the front-back direction, and the two combines, and can effectively avoid tradition thousand
Jin top support leads to the risk slipped since upper and lower contact surface is not parallel.
Detailed description of the invention
Fig. 1 is a kind of present invention " mechanical support device of auxiliary replacement spare tyre " structural schematic diagram；
Fig. 2 is the portion the A structure enlarged view in Fig. 1；
Fig. 3 is the portion the B-B cross-sectional view in Fig. 1；
Fig. 4 is lift adjustment barrel structure schematic diagram of the present invention；
Fig. 5 is Fig. 4 schematic diagram after axial section view；
Fig. 6 is the present invention in one of slope pavement use state diagram；
Fig. 7 is the present invention the two of slope pavement use state diagram；
Fig. 8 is another structural schematic diagram put between support column and chassis that inclines.
In attached drawing, parts list represented by the reference numerals are as follows:
1- chassis assembly, 101- step mounting disc, 102- pedestal swivel nut disk, 103- grab ground rivet, 104- rivet resigning mouthful, 105-
Reinforce screw, 106-hard rubber blocks, 2-U shape installing frame, 3-U shape crankshaft, 4- inclines swing set cylinder, and 5-, which inclines, puts support column, 501-balls
Crown bar, 6- lift adjustment cylinder, 601- fixed pin holes, 7- lifting slider, 8- lift supporting rod, 9- spring limiting board, 10- stretching, extension
Spring, 11- support rail, 12- hinged seat, 13- roll adjustment sliding block, 14- support jacking block, 15- main force bolt, 16- limiting mechanism,
161- limits mounting groove, the trapezoidal limited block of 162-, 163- spring mounting groove, 164- limit spring, 165- triggering pull rod, 166- limit
Position pull ring, 17- vulcanie pad, 171- install counterbore, 172- anti-skid chequer, 18- stiffener plate, 19- positioning screw, 20- sliding block
Limited block.
Specific embodiment
Below in conjunction with attached drawing, embodiments of the present invention is further illustrated, and examples of the embodiments are shown in the accompanying drawings,
In which the same or similar labels are throughly indicated same or similar element or elements with the same or similar functions.Under
Face is exemplary by reference to the embodiment that attached drawing describes, it is intended to is used to explain the present invention, and be should not be understood as to the present invention
Limitation, any modification, equivalent replacement or improvement for being made all within the spirits and principles of the present invention etc. should be included in this
It within the scope of the claims of invention, is not addressed in detail in the technical program, is well-known technique.
Please refer to Fig. 1 ~ 5, a kind of mechanical support device of auxiliary replacement spare tyre of the present invention, comprising: chassis assembly 1, chassis
Step mounting disc 101 is provided on component 1,101 upper surface of step mounting disc opens up fluted, the bottom of step mounting disc 101
It is bolted with pedestal swivel nut disk 102, the bottom of step mounting disc 101, which is evenly arranged with, grabs ground rivet 103, pedestal swivel nut disk 102
Bottom offers for grabbing the rivet resigning mouthful 104 that ground rivet 103 stretches out, and the bottom surrounding of pedestal swivel nut disk 102 is provided with firmly
Rubber block 106, the top left and right sides of step mounting disc 101 through reinforcing screw 105 is bolted with, reinforce the bottom of screw 105
Portion is connected to the intracavity bottom edge of pedestal swivel nut disk 102, by step mounting disc 101 and 102 threaded of pedestal swivel nut disk,
According to road surface condition, switching pedestal swivel nut disk 102 and ground face contact or stretching it can grab ground rivet 103 and carry out anti-skidding reinforcing, chassis
U-shaped installing frame 2 is fixedly installed at the top center of component 1, in use, 2 lower part of U-shaped installing frame is embedded in the step peace
In the groove that 101 upper surface of sabot opens up, when storage, U-shaped installing frame 2 can take out from groove.The hard rubber block 106 of setting has
Conducive to the frictional force increased with hard ground.
The inner cavity of U-shaped installing frame 2 is provided with U-shaped crankshaft 3, and the left and right sides installation shaft end of U-shaped crankshaft 3 is pacified with U-shaped respectively
2 left and right sides wall of framing up is rotatablely connected by bearing, and the middle part connecting shaft outer wall of U-shaped crankshaft 3 is rotationally arranged with the pendulum that inclines
Sleeve 4 is connected with to incline at the top of the outer wall of swing set of inclining cylinder 4 and puts support column 5, inclines and puts the top of support column 5 and be fixedly connected with rising-falling tone
Cylinder 6 is saved, inclines and puts support column 5 and 6 fixing position of lift adjustment cylinder is provided with stiffener plate 18, stiffener plate 18 puts support column 5 around inclining
Outer wall be uniformly arranged, improve device support strength, lift adjustment cylinder 6 inner cavity sliding is provided with lifting slider 7, lifting slider
Lift supporting rod 8 is connected at 7 top center, the top of lift adjustment cylinder 6, lifting branch are run through in the top of lift supporting rod 8
The outer wall of strut 8 is fixedly installed spring limiting board 9, and the outer wall of lift supporting rod 8 is arranged with stretching, extension spring 10, stretches spring 10
It is connected between the bottom of spring limiting board 9 and the top of lift adjustment cylinder 6, it is horizontal that the top of lift supporting rod 8 is provided with support
Bar 11, support rail 11 are that middle part is swelled upwards, and both ends symmetrically sink to forming the shoulder that hangs down, and play the role of reducing supporting gravity, mention
The bottom center of high device stability, support rail 11 is hinged by hinged seat 12 and the top of lift supporting rod 8, support
The left and right ends of cross bar 11 are symmetrically arranged with roll adjustment sliding block 13, and the cross section of support rail 11 is rectangle, the bottom of roll adjustment sliding block 13
Portion is bolted with the positioning screw 19 for abutting positioning support cross bar 11, allows the spacing of two groups of roll adjustment sliding blocks 13 according to not
It is accordingly adjusted with vehicle chassis construction, the left and right ends of support rail 11 are provided with sliding block limited block 20, prevent roll adjustment
13 excess of stroke slidable adjustment of sliding block and be detached from support rail 11, the top of roll adjustment sliding block 13 be provided with support jacking block 14, support jacking block
14 top is provided with vulcanie pad 17, and the top of vulcanie pad 17 offers installation counterbore 171, and passes through screw and branch
14 phase of support block is fixed, and vulcanie pad 17 is conveniently replaceable, and the top of vulcanie pad 17 is provided with anti-skid chequer 172, is played anti-
Sliding effect, further increases support stability, the outer wall of lift adjustment cylinder 6 is radially interspersed with for carrying lifting slider 7
Main force's bolt 15, the side wall of lift adjustment cylinder 6 offer the fixed pin holes 601 that cooperation is planted with main force bolt 15, fixed pin holes
601 along lift adjustment cylinder 6 outer wall helical array be distributed, the upper-lower height reduced between adjacent fixed pin holes 601 is poor so that dress
It sets and is adjustable to more bearing heights, the intracavity sidewall of lift adjustment cylinder 6 is provided with the limiting mechanism for limiting lifting slider 7
16, limiting mechanism 16 includes the limitation mounting groove 161 being opened on 6 intracavity sidewall of lift adjustment cylinder, limits and sets in mounting groove 161
It is equipped with trapezoidal limited block 162, trapezoidal limited block 162 is right-angled trapezium block, and stretches out limitation under the free state of bevel edge side to the right
Mounting groove 161, the top of trapezoidal limited block 162 is by shipping and reselling on another market and limitation 161 front-rear side walls of mounting groove rotation connection, trapezoidal limit
162 straight flange one side wall of block offers spring mounting groove 163, and 163 inner cavity of spring mounting groove is provided with limit spring 164, limits bullet
The left end of spring 164 is abutted against with limitation 161 side wall of mounting groove, and trapezoidal 162 straight flange one side wall of limited block is hingedly provided with triggering and draws
The left side wall of lift adjustment cylinder 6 is stretched out in the left end of bar 165, triggering pull rod 165, and is connected with limit pull ring 166, by limiting machine
Lifting slider 7 can be pushed and be fixed by 162 holding of trapezoidal limited block in limiting mechanism 16 when device leaves unused by structure 16,
Reduce occupied space needed for device is stored.
Preferably, it is described incline put 5 lower end of support column and offer cylindrical thread hole, be provided with and be screwed on the swing set cylinder 4 that inclines
Screw rod in the cylindrical thread hole, can be easily by components such as U-shaped installing frame 2 and U-shaped crankshafts 3 from the pendulum that inclines in use process
It takes out or screws in support column 5.
Preferably, on the groove surface at the 101 central upper portion position of step mounting disc, it is also provided with what semicircle spherical shape was sunk
Groove, it is described incline put in the cylindrical thread hole that 5 lower end of support column opens up, be screwed with the bulb mandril 501 of setting, the bulb top
The bulb diameter of bar 501 is less than the spherical diameter of semicircle spherical groove.In use, can also be used when supporting light matter part
Bulb mandril 501 withstands on the support construction in semicircle spherical groove.
Using apparatus of the present invention embodiment one in use:
The present apparatus is a kind of mechanical support device of auxiliary replacement spare tyre, is mainly used for substituting hydraulic jack or Simple mechanical
The long-time of jack supports, and jacks up vehicle in use, first passing through jack, then places under vehicle chassis and adjust support
After the present apparatus of height, jack can be packed up, substitution support is carried out by the present apparatus, specifically:
With reference to Fig. 6, by taking the present apparatus is in soft slope pavement use as an example, screw 105 is reinforced in use, twisting rising and withdrawing from, rotation
Turn pedestal swivel nut disk 102, so that pedestal swivel nut disk 102 is overlapped with step mounting disc 101, is allowed at this point, grabbing ground rivet 103 from rivet
The bottom that pedestal swivel nut disk 102 is stretched out in the mouth 104 of position, vehicle is jacked up, place the present apparatus under vehicle chassis by jack
Afterwards, it is located at the support jacking block 14 at 11 both ends of support rail below the force-applied position of vehicle chassis, then pulls out limit and draw
Ring 166 makes trapezoidal 162 stress of limited block rotate clockwise certain angle around the shaft of the upper end, until trapezoidal limited block 162
Bottom righthand side is disengaged with 7 top, is acted on by the elastic force of stretching, extension spring 10, and lift supporting rod 8 rises pop-up, makes support rail
The support jacking block 14 at 11 both ends is connected to the force-applied position of vehicle chassis, then plants main force's bolt 15 and most slides close to lifting
In the fixed pin holes 601 of 7 bottom surface of block, jack is then removed, entirely falls within vehicle weight in the present apparatus, can be changed
Tire changes after the completion of tire, jacks up vehicle again by jack, takes out the present apparatus, is removing jack, when storage, only
Main force's bolt 15 need to be extracted, support rail 11 is pressed, lifting slider 7 is made to drop to the intracavity bottom of lift adjustment cylinder 6, trapezoidal limit
Position block 162 is automatically fixed by 7 holding of lifting slider.
Support rail 11 and lift supporting rod 8 are hingedly cooperated by hinged seat 12, when vehicle bottom and support rail 11 be not in water
When level state, in front plan, lift supporting rod 8 still can keep state perpendicular to the ground, i.e. slope pavement in use, permitting
Perhaps there is the angle that tilts in device supporting surface and ground；Chassis assembly 1 and inclining put between support column 5 through U-shaped installing frame 2 and
U-shaped crankshaft 3 is indirectly connected with, when pedestal swivel nut disk 102 and ground have front and back inclination angle, in lateral plane, and lift supporting rod 8
Still it can be kept upright, i.e., slope pavement is in use, allow device supporting surface and ground to there is the pendulum that inclines in the front-back direction, the two phase
In conjunction with, the situation not parallel in supporting surface and ground can be realized, the present apparatus still can stablize support, can effectively avoid tradition thousand
Jin top support leads to the risk slipped since upper and lower contact surface is not parallel.
Using apparatus of the present invention embodiment two in use:
It is the service condition in strong slope pavement with reference to Fig. 7, other operating process are similar to embodiment one.
Using apparatus of the present invention embodiment three in use:
It is using 501 formula support construction of bulb mandril, in use, the bulb mandril 501 is threaded directly into the pendulum that inclines with reference to Fig. 8
In the screw hole of 5 lower end of support column, then the bulb of 501 lower end of bulb mandril is withstood on into 101 central upper portion position of step mounting disc and is opened
If the sagging groove of semicircle spherical shape in, other operating process are similar to embodiment one.
Auxiliary support apparatus of the present invention supports for a long time for substituting jack, in use, first passing through jack for vehicle
It jacks up, then jack can be packed up after placing the present apparatus under vehicle chassis, substitution support is carried out by the present apparatus, due to the present apparatus
For High-strength pure mechanical support structure, can exempting jack, support is used for a long time, and there are the risks of failure of removal, while can
Jack (overload) use for a long time is avoided to lead to malformation.The present invention has the biggish pedestal swivel nut of bottom area
Disk, in soft terrain in use, can aggrandizement apparatus and ground contact area, reduce pressure, while adjustment base spiral shell can be passed through
Ground rivet is grabbed in cover plate stretching, is further functioned as anti-bottom sideslip effect, is effectively improved support means bottom portion and sinking phenomenon occur
Problem.Support rail and lift supporting rod are hingedly cooperated by hinged seat, in slope pavement in use, allow device supporting surface with
There is the angle that tilts in ground；Chassis assembly and inclines to putting and is indirectly connected between support column by U-shaped installing frame and U-shaped crankshaft,
Allow device supporting surface and ground to there is the pendulum that inclines in the front-back direction, the two combines, can effectively avoid traditional very heavy top support by
Risk that is not parallel in upper and lower contact surface and leading to slippage.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", " vertical ", "horizontal",
"top", " axial direction ", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " hinged ", " connection ", " fixation ",
Terms such as " connected " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly.For the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Claims (10)
1. a kind of mechanical support device of auxiliary replacement spare tyre, comprising: chassis assembly is provided with step installation on chassis assembly
Disk, it is characterised in that: U-shaped installing frame, the inner cavity of the U-shaped installing frame are fixedly installed at the top center of the chassis assembly
Be provided with U-shaped crankshaft, be provided with semiaxis at left and right sides of the U-shaped crankshaft, the semiaxis respectively with the left and right two of U-shaped installing frame
Side wall is rotatablely connected by bearing, is provided with connecting shaft in the middle part of the U-shaped crankshaft, the outer wall of connecting shaft is rotationally arranged with
Swing set of inclining cylinder, the outer wall top of the swing set cylinder that inclines, which is connected with to incline, puts support column, it is described incline to putting be fixedly connected at the top of support column
There is lift adjustment cylinder, the inner cavity of the lift adjustment cylinder, which is slided, is provided with lifting slider, at the top center of the lifting slider
It is connected with lift supporting rod, the top of the lift supporting rod is outside the top of lift adjustment cylinder, the lift supporting rod
Wall is fixedly installed spring limiting board, and the outer wall of the lift supporting rod is arranged with stretching, extension spring, and the stretching, extension spring is connected to
Between the bottom of spring limiting board and the top of lift adjustment cylinder, support rail, institute are provided at the top of the lift supporting rod
The bottom center for stating support rail is hinged by the top of hinged seat and lift supporting rod, the left and right two of the support rail
End is symmetrically arranged with roll adjustment sliding block, and support jacking block, the outer wall edge of the lift adjustment cylinder are provided at the top of the roll adjustment sliding block
Radial direction is interspersed with main force's bolt for carrying lifting slider, and the intracavity sidewall of the lift adjustment cylinder is provided with to be risen for limiting
The limiting mechanism of sliding block drops.
2. a kind of mechanical support device of auxiliary replacement spare tyre as described in claim 1, it is characterised in that: the step mounting disc
Lower part be bolted with the pedestal swivel nut disk of setting, the bottom of the step mounting disc, which is evenly arranged with, grabs ground rivet, the pedestal
The bottom of swivel nut disk offers for grabbing the rivet resigning mouthful that ground rivet stretches out, and the top left and right sides of the step mounting disc is
Through reinforcing screw is bolted with, the bottom for reinforcing screw is connected to the intracavity bottom edge of pedestal swivel nut disk, passes through step
Mounting disc and pedestal swivel nut disk threaded, the periphery of pedestal swivel nut disk lowest part is evenly arranged with hard rubber block.
3. a kind of mechanical support device of auxiliary replacement spare tyre as claimed in claim 1 or 2, it is characterised in that: the step peace
Sabot upper surface open up it is fluted, in use, U-shaped installation frame bottom is embedded in the groove；When storage, U-shaped installing frame
It can be taken out from groove.
4. a kind of mechanical support device of auxiliary replacement spare tyre as described in claim 1, it is characterised in that: the limiting mechanism packet
The limitation mounting groove being opened on lift adjustment tube inner chamber side wall is included, is provided with trapezoidal limited block, institute in the limitation mounting groove
Stating trapezoidal limited block is right-angled trapezium block, and stretches out limitation mounting groove, the trapezoidal limit under the free state of bevel edge side to the right
The top of block offers bullet with limitation mounting groove front-rear side walls rotation connection, the trapezoidal limited block straight flange one side wall by shipping and reselling on another market
Spring mounting groove, the spring mounting groove inner cavity are provided with limit spring, the left end of the limit spring and limitation installation groove sidewall
It abuts against, the trapezoidal limited block straight flange one side wall is hingedly provided with triggering pull rod, and lifting is stretched out in the left end of the triggering pull rod
The left side wall of adjustment barrel, and it is connected with limit pull ring.
5. a kind of mechanical support device of auxiliary replacement spare tyre as described in claim 1, it is characterised in that: the lift adjustment cylinder
Side wall offer with main force's bolt plant cooperation fixed pin holes, outer wall spiral battle array of the fixed pin holes along lift adjustment cylinder
Column distribution.
6. a kind of mechanical support device of auxiliary replacement spare tyre as described in claim 1, it is characterised in that: the support jacking block
Top is provided with vulcanie pad, installation counterbore is offered at the top of the vulcanie pad, and pass through screw and support jacking block
It is mutually fixed, anti-skid chequer is provided at the top of the vulcanie pad.
7. as described in claim 1 it is a kind of auxiliary replacement spare tyre mechanical support device, it is characterised in that: it is described incline put support column
Lower end offers cylindrical thread hole, is provided with the screw rod being screwed in cylindrical thread hole on the swing set cylinder that inclines；Incline and puts support column
Lower end and lift adjustment cylinder fixing position are additionally provided with stiffener plate, and the stiffener plate is uniformly set around the outer wall for putting support column that inclines
It sets.
8. a kind of mechanical support device of auxiliary replacement spare tyre as described in claim 1, it is characterised in that: the support rail
Cross section is rectangle, and the bottom of the roll adjustment sliding block is bolted with the positioning screw for abutting positioning support cross bar.
9. a kind of mechanical support device of auxiliary replacement spare tyre as described in claim 1, it is characterised in that: the support rail is
Middle part is swelled upwards, and both ends symmetrically sink to forming the shoulder that hangs down, and the left and right ends of support rail are provided with sliding block limited block.
10. a kind of mechanical support device of auxiliary replacement spare tyre as described in claim 1, it is characterised in that: the step installation
On the groove at disk central upper portion position, offer semicircle spherical groove, it is described incline put the cylindrical thread hole that support column lower end opens up
In, it is screwed with the bulb mandril of setting, the bulb diameter of the bulb mandril is less than the spherical diameter of semicircle spherical groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018111312236 | 2018-09-27 | ||
| CN201811131223 | 2018-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109849868A true CN109849868A (en) | 2019-06-07 |
Family
ID=66901826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910230506.4A Pending CN109849868A (en) | 2018-09-27 | 2019-03-26 | A kind of mechanical support device of auxiliary replacement spare tyre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109849868A (en) |
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| CN112644222A (en) * | 2020-12-22 | 2021-04-13 | 柯浩为 | Automobile tire handling device suitable for slope trades child |
| CN113174823A (en) * | 2021-05-13 | 2021-07-27 | 新乡市通达公路新科技有限公司 | Joint cutting device for road construction |
| CN113734108A (en) * | 2021-09-03 | 2021-12-03 | 江苏本松机电科技有限公司 | Engineering machinery vehicle and ECU wire harness upgrading system thereof |
| CN113881936A (en) * | 2021-11-03 | 2022-01-04 | 连城凯克斯科技有限公司 | Device for adjusting height of vertical roller way in horizontal direction |
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Application publication date: 20190607 |