CN202966464U - Engineering vehicle and spare wheel carrier of engineering vehicle - Google Patents
Engineering vehicle and spare wheel carrier of engineering vehicle Download PDFInfo
- Publication number
- CN202966464U CN202966464U CN 201220681038 CN201220681038U CN202966464U CN 202966464 U CN202966464 U CN 202966464U CN 201220681038 CN201220681038 CN 201220681038 CN 201220681038 U CN201220681038 U CN 201220681038U CN 202966464 U CN202966464 U CN 202966464U
- Authority
- CN
- China
- Prior art keywords
- fork
- spare tyre
- spare
- fixed
- tyre holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
The utility model provides an engineering vehicle and a spare wheel carrier of the engineering vehicle. The spare wheel carrier comprises a spare wheel installing support, a swing rod and a driving device, wherein the spare wheel installing support comprises a spare wheel fixing portion which is fixedly connected with a spare wheel, the first end of the swing rod comprises a hinge portion which is hinged with a frame, the spare wheel installing support is installed on the swing rod, the spare wheel installing support can rotate along an axis of the swing rod relative to the swing rod, and the spare wheel installing support can move along the swing rod. The driving device is connected with the second end of the swing rod, and the swing rod is driven by the driving device to rotate around the hinge portion of the swing rod. By means of the spare wheel carrier, the spare wheel fixing portion of the spare wheel installing support can be easily adjusted to corresponding positions of an installation hole of the spare wheel fixing portion and a wheel rim hole of the spare wheel to bring convenience to fixing connection between the spare wheel and the spare wheel installing support through rotation of the swing rod, rotation of the spare wheel installing support around the axis of the swing rod and movement of the spare wheel installing support along the axis of the swing rod.
Description
Technical field
The utility model relates to vehicular field, more specifically, relates to engineering truck and spare tyre holder thereof.
Background technology
The engineering truck work under bad environment, spare tyre is essential.In prior art, spare tyre holder mainly contains two kinds of fluid pressure type and mechanical types, and considers from aspects such as reliability, costs, the main mechanical spare tire frame that adopts on engineering truck.
The engineering truck spare tyre holder that prior art is commonly used, a kind of is to only have spare tire fixing device and do not have labor-saving structure, its lifting directly to complete by manpower or other hanging devices, labour intensity is large, needs many people or other equipment just can complete the replacing of spare tyre.Another kind be spare tyre holder self with effort-saving mechanism, but the labor-saving effect is not obvious, lacks simultaneously to overlap spare tyre fixing device for installing easily.The spare tyre that engineering truck adopts, volume is large, quality is heavy, only has to have solved simultaneously the problem of spare tire apparatus aspect installation, dismounting, lifting, the labour intensity in the time of just alleviating operation, the replacing efficient of raising spare tyre.
In the Granted publication number background technology for the Chinese utility model patent of CN202130516U, the first prior art is disclosed.Fig. 1 is the structural representation of spare tyre holder of the engineering truck of the first prior art.As shown in Figure 1, this spare tyre holder comprises worm-and-wheel gear 1 ', chain rope 2 ', fixed pulley 7 ', rotating shaft pair 9 ', spare tyre adapter plate 3 ' and steel pipe 4 '.Spare tyre 10 is fixed on steel pipe 4 ' by spare tyre adapter plate 3 ', and steel pipe 4 ' one end is installed worm-and-wheel gear 1 ', one end and is arranged on rotating shaft pair 9 '.Chain rope 2 ' one side pressure is on the interior rope-winding wheel of worm-and-wheel gear 1 ', and an end is fixed on worm-and-wheel gear 1 ' shell after walking around fixed pulley 7 '.During Vehicle Driving Cycle, the position of each mechanism and spare tyre as shown in Figure 1.
When needing to change spare tyre, worm-and-wheel gear 1 ' below latch is pulled out, swinging handle makes spare tyre 10(band steel pipe 4 ') a little up lift, make the fixing hook of steel pipe 4 ' withdraw from groove on bearing, pull spare tyre 10(band steel pipe 4 '), it secondary 9 ' is clockwise rotated around the shaft, and spare tyre 10(is with steel pipe 4 ' like this) right side leaves rear shrouding.At this moment the driving handle that shakes again worm-and-wheel gear 1 ' makes spare tyre 10(band steel pipe 4 ') toward descending, whole mechanism is rotated, until spare tyre 10 kiss the earths around horizontal bearing pin.Then unclamp the bolt on spare tyre adapter plate 3 ', spare tyre 10 is thrown off fully with spare tyre holder, and just can carry out spare tyre and more change jobs this moment.
The major defect of the spare tyre holder of the first prior art is: worm-and-wheel gear 1 ' is along with steel pipe 4 ' motion, when the height that rises when spare tyre 10 is higher, drives worm-and-wheel gear 1 ' inconvenience.Spare tyre is arranged on steel pipe 4 ', it is upper servo-actuated that worm-and-wheel gear 1 ' also is arranged on steel pipe 4 ', by the steel pipe 4 ' implementation of the rotation on both direction lifting around fulcrum, basically all weight is all born on steel pipe 4 ', but steel pipe 4 ' is long, be obliquely installed again under normal circumstances, cause when crane running or operation that steel pipe 4 ' vibration is larger, thereby the easy flexural deformation of steel pipe 4 ' ruptured even.
In order to overcome the defective of the first prior art, above Chinese utility model patent CN202130516U discloses the second prior art.Fig. 2 is the structural representation of spare tyre holder of the engineering truck of the second prior art.As shown in Figure 2, this spare tyre holder comprises spare tire installment support 3, pulley assembly 7, Worm and worm-wheel gearing 1 and chain rope 2.The first surface of this spare tire installment support 3 (one side of can't see in Fig. 2) is removably mounted on the car body of engineering truck, and second of this spare tire installment support 3 (in Fig. 2 towards viewer one side) has for the fixing spare tyre fixed sturcture of spare tyre 10; The first end of chain rope 2 is around in the rope closing end of Worm and worm-wheel gearing 1, and the second end of chain rope 2 is connected with spare tire installment support 3 through pulley assembly 7.The first surface of spare tire installment support 3 is provided with bearing set 5; Accordingly, the car body of engineering truck is provided with the guide rail 6 that coordinates with bearing set 5, and guide rail 6 vertically extends.Like this, be fixed with spare tyre 10 on it promoting and transfer spare tire installment support 3() time spare tire installment support 3 action that can promote or transfer along guide rail 6 by bearing set 5, this structure can reduce the resistance of spare tyre in promoting or transferring process, uses less power just spare tyre can be promoted or transfers in a short period of time.
When needing lifting spare tyre 10, spare tyre 10 is fixed on spare tire installment support 3, drive Worm and worm-wheel gearing 1, Worm and worm-wheel gearing 1 can make 2 tensions of chain rope, chain rope 2 promotes spare tyre 10 under the effect of pulley assembly 7 gradually, when spare tyre 10 was promoted to the spare tyre fixed position, Worm and worm-wheel gearing 1 quit work, and spare tire installment support 3 and car body are fixed; In the time of need to transferring spare tyre 10, with the releasing of captiveing joint between spare tire installment support 3 and car body, at this moment chain rope 2 can be tightened, driving Worm and worm-wheel gearing 1 unclamps chain rope 2, chain rope 2 puts down spare tyre 10 under the effect of pulley assembly 7 gradually, when spare tyre 10 is transferred to desired location, with the be connected releasing of spare tyre 10 with spare tire installment support 3, just can carry out more changing jobs of spare tyre 10.
Although the second prior art has solved the problem of the first prior art,, also there is following defective in the spare tyre holder of the second prior art:
Before spare tyre 10 hoists, be difficult to be installed on spare tire installment support 3.Because the attainable freedom of motion of spare tire installment support 3 is few, and spare tyre 10 sole masies are heavier, mobile inconvenience, snap on spare tire installment support 3 mounting hole on the spare tyre wheel rim very difficult.
The fixing difficulty of spare tyre 10.Prior art is fixing spare tyre 10 in the wheel rim generally, and the size of spare tyre 10 own is larger, can only adopt overbolt to be secured on vehicle frame, and because of the existence of Mismachining tolerance, the axis parallel degree between overbolt is difficult to guarantee.
Spare tyre 10 lifting difficulties, required hand power is larger.Its major cause is that province's force rate is little, and the labor-saving effect is not obvious; The friction force of mechanism's middle pulley, guide rail and hand-operated mechanism is larger, has increased the load on the chain rope; The gap of guide rail is difficult to control, easy hair fastener in spare tyre 10 lifting process.
The utility model content
The utility model purpose is to provide a kind of engineering truck and spare tyre holder thereof, and this spare tyre holder is convenient to being connected between spare tire installment support and spare tyre.
First aspect of the present utility model provides a kind of spare tyre holder, comprising: spare tire installment support comprises the spare tyre fixed part of captiveing joint with spare tyre; Fork, the first end of fork comprises the articulated section hinged with vehicle frame, spare tire installment support is installed on fork and has rotatable around the axis of fork and along the axis moveable state of fork with respect to fork; Actuating device is connected with the second end of fork, and fork rotates around the articulated section of fork under the driving of actuating device.
Further, actuating device comprises: withdrawing rope mechanism; Chain rope, the first end of chain rope are around in the wiring section of withdrawing rope mechanism; Pulley assembly, pulley assembly comprise the first pulley of the second end that is arranged at fork at least, and the second end of chain rope is fixed on vehicle frame through each pulley of pulley assembly.
Further, spare tire installment support comprises the sleeve pipe of captiveing joint with the spare tyre fixed part, and casing pipe sleeve is located at the periphery of fork.
Further, spare tire installment support also comprises two the first sleeves that are individually fixed in the axial two ends of inside pipe casing, and the first sleeve coordinates with the circumferential play of fork.
Further, fork comprises the second sleeve and the body of rod, and the second sleeve forms the articulated section, an end face of the body of rod is fixed in the side of the second sleeve, and casing pipe sleeve is located on the body of rod, wherein, the surface that the second sleeve is connected with the body of rod comprises the first plane, and the first plane coordinates with the end face of sleeve pipe.
Further, spare tyre holder comprises that also connection spare tire installment support and fork are so that both be in the wheel support fixed mechanism of stationary state.
Further, on the first sleeve away from the end of articulated section and this end, breach is set on the sleeve pipe of spare tire installment support; Fork comprises the fork fixed part, and the fork fixed part comprises that the bottom surface is the recess on the second plane; The wheel support fixed mechanism comprises pressing plate, and pressing plate is fixed in fork and/or spare tire installment support, and the second plane of pressing plate and fork fixed part and breach along quill drive to surface butt respectively.
Further, the wheel support fixed mechanism comprises the locating dowel pin that the first dowel hole on sleeve pipe with spare tire installment support and the second dowel hole on fork are connected.
Further, spare tyre holder also comprises for the fixing fork fixed mechanism of fork.
Further, the jointed shaft of articulated section is along being horizontally disposed with, and the fork fixed mechanism is fixed in fork on vehicle frame vertically.
Further, the fork fixed mechanism comprises: fixed mount, to captive joint with vehicle frame, and fixed mount comprises the U-lag relative with the sense of motion of fork, and the second end of fork coordinates with the U-lag clamping, and two ends of U-lag arrange fixed pin holes; Set pin, set pin coordinate with fixed pin holes with the second end with fork and are limited in U-lag.
Further, spare tyre holder also comprises the fork erecting frame that is fixed on vehicle frame, and the articulated section of fork and fork erecting frame are hinged by connecting pin.
Further, be provided with shock-absorbing sleeve between fork and connecting pin.
Second aspect of the present utility model provides a kind of engineering truck, comprises spare tyre holder, and wherein, spare tyre holder is the spare tyre holder of any one in the utility model first aspect.
according to spare tyre holder of the present utility model, because spare tire installment support has rotatable around the axis of fork with respect to fork and along the axis moveable state of fork, and fork can rotate around its articulated section under the driving of actuating device, therefore, rotation by fork and spare tire installment support move along three kinds of the movements of the axis of fork around the rotation of the axis of fork and spare tire installment support, can make the position corresponding to wheel rim hole of mounting hole that the spare tyre fixed part of spare tire installment support is easy to be adjusted to the spare tyre fixed part and spare tyre, thereby be convenient to captiveing joint of spare tyre and spare tire installment support.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of spare tyre holder of the engineering truck of the first prior art;
Fig. 2 is the structural representation of spare tyre holder of the engineering truck of the second prior art;
Fig. 3 is the main TV structure schematic diagram according to the spare tyre holder of the engineering truck of the utility model embodiment;
Fig. 4 is the structural representation according to the rising initial position of the spare tyre holder of the engineering truck of the utility model embodiment;
Fig. 5 is the structural representation according to the rising midway location of the spare tyre holder of the engineering truck of the utility model embodiment;
Fig. 6 is the left TV structure schematic diagram according to the spare tyre holder of the engineering truck of the utility model embodiment;
Fig. 7 is the structural representation according to spare tire installment support in the spare tyre holder of the engineering truck of the utility model embodiment;
Fig. 8 is the side-looking structural representation of Fig. 7;
Fig. 9 is the structural representation according to fork in the spare tyre holder of the engineering truck of the utility model embodiment;
Figure 10 is the plan structure schematic diagram of Fig. 9;
Figure 11 is that spare tyre holder center platen, fork and the spare tire installment support according to the engineering truck of the utility model embodiment installed the structural representation of relation;
Figure 12 is the side-looking structural representation of Figure 11;
Figure 13 installs the structural representation of relation according to pin assemblies and fixed mount in the spare tyre holder of the engineering truck of the utility model embodiment;
Figure 14 is the fragmentary top TV structure schematic diagram of Figure 13;
Figure 15 installs the structural representation of relation according to set pin, fixed mount and fork in the spare tyre holder of the engineering truck of the utility model embodiment;
Figure 16 installs the structural representation of relation according to fork in the spare tyre holder of the engineering truck of the utility model embodiment and fork erecting frame;
Figure 17 installs the structural representation of relation according to fork in the spare tyre holder of the engineering truck of first alternate embodiment of the utility model and fork erecting frame;
Figure 18 is the subpanel structural representation according to spare tire installment support in the spare tyre holder of the engineering truck of second alternate embodiment of the utility model;
Figure 19 is the subpanel structural representation according to spare tire installment support in the spare tyre holder of the engineering truck of the 3rd alternate embodiment of the utility model;
Figure 20 installs the structural representation of relation according to fork and spare tire installment support in the spare tyre holder of the engineering truck of the 4th alternate embodiment of the utility model.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.
The utility model is installed inconvenience, lifting hard problem for the spare tyre holder spare tyre of engineering truck in prior art, and a kind of simple in structure, easy to operate spare tyre holder is provided.
To shown in Figure 16, spare tyre holder of the present utility model comprises spare tire installment support 140, fork 180 and actuating device as Fig. 3.Spare tire installment support 140 comprises the spare tyre fixed part of captiveing joint with spare tyre 10.The first end of fork 180 comprises the articulated section hinged with vehicle frame, and spare tire installment support 140 is installed on fork 180 to have rotatable around the axis of fork 180 and along the axis moveable state of fork 180 with respect to fork 180.Actuating device is connected with the second end of fork 180, and fork 180 rotates around the articulated section of fork 180 under the driving of actuating device.
because spare tire installment support 140 has rotatable around the axis of fork 180 with respect to fork 180 and along the axis moveable state of fork 180, and fork 180 can rotate around its articulated section under the driving of actuating device, therefore, rotation by fork 180 and spare tire installment support 140 move along three kinds of the movements of the axis of fork 180 around the rotation of the axis of fork 180 and spare tire installment support 140, can make the wheel rim hole of mounting hole that the spare tyre fixed part of spare tire installment support 140 is easy to be adjusted to the spare tyre fixed part and spare tyre 10 corresponding, thereby be convenient to captiveing joint of spare tyre 10 and spare tire installment support 140, drive fork 180 rotations by actuating device again and spare tyre 10 can be raised to the position that to fix.
Below with reference to Fig. 3 to Figure 16, the utility model embodiment is specifically described.This spare tyre holder can be used for the engineering truck that any needs such as car hosit, autotruck arrange spare tyre.
Fig. 3 to Figure 16 shows the spare tyre holder of an embodiment of the utility model, and this spare tyre holder specifically comprises hand-operated mechanism 110, pulley assembly 120, chain rope 130, spare tire installment support 140, fixed mount 150, pin assemblies 160, fork erecting frame 170, fork 180 and pressing plate 190.
In the present embodiment, actuating device comprises withdrawing rope mechanism, chain rope 130 and pulley assembly 120.The first end of its medium chain rope 130 is around in the wiring section of withdrawing rope mechanism.Pulley assembly 120 comprises the first pulley 121 of the second end that is arranged at fork 180 at least, and the second end of chain rope 130 is fixed on vehicle frame through each pulley of pulley assembly 120.Particularly, pulley assembly 120 comprises the first pulley 121 and the second pulley 122 that is installed on vehicle frame that is installed on fork 180 tops.Because second end the first pulley 121 at fork 180 is movable pulley in pulley assembly 120, therefore, the existence of this first pulley 121 makes pulley assembly 120 and forms the one-level labor-saving structures around thereon chain rope 130.
In the present embodiment, withdrawing rope mechanism is the hand-operated mechanism 110 that is fixed on vehicle frame, and more specifically, hand-operated mechanism comprises Worm and worm-wheel gearing and operating handle.Wherein, thus operating handle can adopt the structure of laborsaving lever to form the one-level labor-saving structure; And Worm and worm-wheel gearing also forms the one-level labor-saving structure.Thereby the actuating device of the present embodiment has three grades of labor-saving structures, can reduce to operate the required power of spare tyre holder.
Certainly, rotate in order to drive fork 180, pulley assembly 120 and chain rope 130 are optional, and actuating device can be the actuating device that drives any other form that fork 180 rotates around the articulated section, as without the electric device of pulley assembly and chain rope, hydraulic efficiency gear etc.
As shown in Figure 4, for fixing the second end of chain rope 130 on vehicle frame, spare tyre holder comprises the chain rope hook 132 of captiveing joint with vehicle frame, and the first end of chain rope 130 is in the wiring section of hand-operated mechanism 110, and the second end is fixed on chain rope hook 132 by hook.
As shown in Figure 7 and Figure 8, in the present embodiment, the spare tyre fixed part of spare tire installment support 140 is subpanel 141.The mounting hole of a plurality of circles is set in subpanel 141, makes spare tyre 10 be installed on spare tire installment support 140 bolt of rear end plate can be installed flexibly.Spare tyre 10 is fixedly connected in the subpanel 141 of spare tire installment support 140.Spare tire installment support 140 also comprises the sleeve pipe 143 of being made by round steel pipe, by sleeve pipe 143 is set on fork 180, so that spare tire installment support 140 take the articulated section of fork 180 as the axle center, the length of fork 180 rotates as radius, can realize simultaneously spare tire installment support 140 on fork 180 rotatablely move and along the translation of the axis direction of fork 180, by above three motions, the difficulty of aliging of the mounting hole on the wheel rim hole of reducing spare tyre 10 and spare tire installment support 140.
Preferably, the inside, top and bottom of sleeve pipe 143 is respectively equipped with the first sleeve 144 of a circle, captive joint by tommy 145 between the first sleeve 144 and sleeve pipe 143, because this first sleeve 144 can fine limit work, the sleeve pipe 143 of spare tire installment support 140 and the gap between fork 180 just can accurately be controlled by the first sleeve 144.Therefore, can effectively reduce unnecessary vibrations and noise, also make simultaneously the lifting, fixing more reliable of spare tyre.
In addition, because spare tyre 10 quality are larger, for avoiding each framing member, larger distortion occuring, has welded four brace panels 142 between the sleeve pipe 143 of spare tire installment support 140 and subpanel 141.
As shown in Figure 9 and Figure 10, fork 180 comprises the second sleeve 181, the body of rod 182 and pulley installation portion 183.The side that the end face of the body of rod 182 first ends is welded in the second sleeve 181 connects the second end that pulley installation portion 183 is fixed in the body of rod 182.Pulley installation portion 183 comprises the ears plate particularly, wherein forms the groove that the first pulley 121 is installed between the ears plate.Wherein, the second sleeve 181 has formed the articulated section of fork 180.Sleeve pipe 143 is sheathed on the body of rod 182.The part that the second sleeve 181 is connected with the body of rod 182 comprises the first plane.This first plane had both facilitated the welding between the body of rod 182 and the second sleeve 181, and also sleeve pipe 143 and the first inner sleeve 144 thereof for spare wheel mounting rack 140 provides contact surface.
In the present embodiment, by spare tire installment support 140 being fixed in wheel support fixed mechanism that fork 180 is and fixingly fork 180 is fixed in rocking bar fixed mechanism on vehicle frame realizes fixing on vehicle frame of spare tyre 10.Fixedly operate outside the wheel rim of spare tyre 10 during spare tyre 10, avoided the use overbolt, be convenient to the captive joint of spare tyre 10.
In addition preferably, the jointed shaft of articulated section is along being horizontally disposed with, and the fork fixed mechanism is fixed in fork 180 on vehicle frame vertically.Arrange like this and can avoid travelling or causing the larger vibration of fork 180 during operation at engineering truck, prevent that fork 180 flexural deformations from even rupturing.
Wheel support fixed mechanism connection spare tire installment support 140 and fork 180 are so that both be in stationary state.As shown in Figure 7 and Figure 8, on the sleeve pipe 143 of spare tire installment support 140, an end and corresponding the first sleeve 144 away from fork erecting frame 170 arranges breach 146.As shown in Figure 9 and Figure 10, fork 180 comprises the fork fixed part 184 that is connected with pressing plate 190.Fork 180 comprises fork fixed part 184, and fork fixed part 184 comprises that the bottom surface is the recess on the second plane.The wheel support fixed mechanism of the present embodiment comprises pressing plate 190, and pressing plate 190 is fixed in fork 180 and/or spare tire installment support 140, and the butt respectively along sleeve pipe 143 axial surface of the second plane of pressing plate 190 and fork fixed part 184 and breach 146.Particularly, as Figure 11 and shown in Figure 12, pressing plate 190 is fixed to the fork fixed part 184 of fork 180 by two bolts and is stuck in breach 146 places of spare tire installment support 140.Pressing plate 190 can limit spare tire installment support 140 with respect to the rotation of fork 180 and moving axially along fork 180.
The fork fixed mechanism comprises fixed mount 150 and pin assemblies 160.To shown in Figure 15, fixed mount 150 is captiveed joint with vehicle frame as Figure 13, and fixed mount 150 comprises the U-lag 151 relative with the sense of motion of fork 180, and the second end of fork 180 coordinates with U-lag 151 clampings, and two ends of U-lag arrange fixed pin holes.Pin assemblies 160 comprises set pin 161, and set pin 161 coordinates with fixed pin holes with the second end with fork 180 and is limited in U-lag 151.
Pin assemblies 160 also comprises locating part 162, the first spring pin 163, the second spring pin 164 and chain 166 except comprising set pin 161.Locating part 162 is fixedly installed with respect to vehicle frame, and set pin 161 is located in the spacing hole of locating part 162, and locating part 162 guarantees that set pin 161 aims at the pin-and-hole on fixed mount 150.Set pin 161 is inserted in pin-and-hole on fixed mount 150.Also be provided with shoulder on set pin 161, after the pin-and-hole that set pin 161 inserts on fixed mount 150, the side butt of this shoulder and locating part 162, thus the axial motion of set pin 161 is limited.Wherein, be positioned at the right the first spring pin 163 do not extract all the time, play a part spacing, after preventing from extracting set pin 161 out fixed mount 150 fully, the inconvenience of alignment pin holes again.The second spring pin 164 that is positioned at the left side is connected on set pin 161 by chain 166, in order to avoid the second spring 162 pins are lost.On the U-lag 151 of fixed mount 150, chamfering 152 is arranged, convenient the second end with fork 180 embeds in U-lag 151, this U-lag 151 has the effect of the fixed position of definite spare tyre 10, when fork 180 embeds this U-lag 151, the operator stops the driving to hand-operated mechanism 110, can stop the rising of spare tyre 10, and spare tyre 10 is fixed on corresponding spare tyre fixed position.
Preferably, fixed mount 150 is asymmetric, and when the part that left end is thicker can prevent from extracting set pin 161, set pin 161 broke away from fixed mount 150 fully, had avoided the inconvenience of alignment pin holes.The position that fork 180 contacts with set pin 161 is provided with draw-in groove 185 that the bottom surface that coordinates with set pin 160 butts is three planes so that set pin 161 contacts with fork 180 formation line faces.
To shown in Figure 6, spare tyre holder also comprises fork erecting frame 170 as Fig. 3, and fork 180 is connected with vehicle frame by fork erecting frame 170, and can be with respect to rotation on fork erecting frame 170.As shown in figure 16, the second sleeve 181 of fork 180 and fork erecting frame 170 afterbody that is connected to connecting pin 171 by connecting pin 171 arranges spring pin 173 and prevents that connecting pin 171 from deviating from.Wherein be provided with shock-absorbing sleeve 172 between fork 180 and connecting pin 171.When Vehicle Driving Cycle, the load of spare tyre 10 and whole spare tyre holder will be delivered on fork erecting frame 170 by fork 180, shock-absorbing sleeve 172 the vibrations that can reduce spare tyre holder are set, to reduce live load and noise.
When needing to promote spare tyre 10, spare tyre 10 is rolled to the vehicle frame rear, rotate on fork 180 by spare tire installment support 140 or move, and fork 180 drives spare tire installment support 140 with respect to the rotation of fork erecting frame 170, mounting hole in the subpanel 141 of alignment spare tire installment support 140 and the wheel rim hole on spare tyre 10 are fixed on spare tyre 10 on spare tire installment support 140.Spare tyre holder rises front initial position as shown in Figure 4, and this moment, spare tyre 10 was vertical with respect to level ground.
Drive hand-operated mechanism 110, drive forks 180 with respect to 170 rotations of fork erecting frame by chain rope 130, adjust the angle of fork 180, utilize the friction force of ground effects on spare tyre 10 and the gravity of spare tyre 10 self, spare tyre 10 progressively rotates to level attitude.As Figure 11 and shown in Figure 12, can install pressing plate 190 and limit relative motion between spare tire installment support 140 and fork 180 this moment.Midway location after this process is completed as shown in Figure 5.
Afterwards, continue to drive hand-operated mechanism 110, make chain rope 130 gradually spare tyre 10 be promoted under the effect of pulley assembly 120, when spare tyre 10 was promoted to the fixed position of spare tyre 10, to shown in Figure 15, fork 180 will embed in U-lag 151 in fixed mount 150 as Figure 13, set pin 161 is pushed in hole in fixed mount 150, be plugged spring pin 164, fork 180 and vehicle frame can be fixed, fixedly the final position of backup tire 10 as shown in Figure 6.
In the time of need to transferring spare tyre 10, set pin 161 is extracted out, drive hand-operated mechanism 110, under the effect of pulley assembly 120 and chain rope 130, progressively with spare tyre 10, when transferring to the appropriate location, fixation clip 190 between fork 180 and spare tire installment support 140 is taken out, spare tyre 10 is pulled vertical position continue to transfer, when spare tyre 10 is transferred to desired location, with the releasing that is connected between spare tyre 10 and spare tire installment support 140, just can carry out the replacing of spare tyre 10.
The another kind of method of transferring spare tyre 10 is, after set pin 161 is extracted out, directly removes in place being connected between spare tyre 10 and spare tire installment support 140, makes spare tyre 10 direct whereabouts under the effect of self gravitation.
Above embodiment does not consist of restriction of the present utility model.For example:
Have more excellent effect although shock-absorbing sleeve 172 is set, in above embodiment, shock-absorbing sleeve 172 not necessarily.In first alternate embodiment of the utility model shown in Figure 17, the second sleeve 181 of fork 180 is connected with the fork erecting frame and is directly connected by connecting pin 171, at the afterbody of connecting pin 171, spring pin 173 is set and prevents that connecting pin 171 from deviating from.
Can substituting with the subpanel of other form of spare tire installment support 140.In second alternate embodiment of the utility model shown in Figure 180, be also the circular mounting dish as the subpanel 141A of spare tyre fixed part, but the mounting hole on it is waist shaped hole, waist shaped hole is set is convenient to aim at the wheel rim hole on spare tyre 10.Figure 19 be according to the 3rd alternate embodiment of the utility model in, the spare tyre fixed part can also be arranged to leg-of-mutton subpanel 141B.
Fork 180 also can change with the fixed form of spare tire installment support 140.In the 4th alternate embodiment of the utility model shown in Figure 20, adopt locating dowel pin 190A to fix between the sleeve pipe 143 of fork 180 and spare tire installment support 140.Locating dowel pin 190A pass respectively the first dowel hole on the sleeve pipe 143 of spare tire installment support 140 with the second dowel hole on fork is connected to both positioning connection.
In addition, pulley assembly, hand-operated mechanism, fixed mount, fork erecting frame all can be arranged as required.For example, hand-operated mechanism is not limited to the use worm-and-wheel gear, also can be gear drive; The locking of spare tyre also can be adopted in the wheel rim with locked with bolts etc.
The multiplying power of the quantity of pulley, chain rope winding, assembly pulley all can be adjusted, and realizes promoting or transfer spare tyre etc. with less power.And the layout aspect of pulley assembly and chain rope, the rope stretching mode is not limited to horizontal or vertical direction, can adopt any arrangement that reduces the wearing and tearing of chain rope that is beneficial to.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
Before spare tyre was installed on spare tire installment support, spare tire installment support had more freedom of motion, facilitated spare tyre fixing on spare tire installment support.
After spare tyre rose and is raised to desired location, operable lock fastened spare tyre outside spare tyre, need not to adopt the mode of overbolt, and fixed form is convenient and reliable.
A plurality of effort-saving mechanisms are arranged, comprise movable pulley component and chain rope, worm and gear, handle etc., province's force rate of whole spare tyre holder is large, and required hand power is little.
But the first sleeve fine limit work of the body of rod of fork and spare tire installment support, the gap between making both is controlled, has reduced unnecessary vibrations and noise, also makes the lifting, fixing more reliable of spare tyre simultaneously.
Hand-operated mechanism is fixed on vehicle frame, the problem that when having avoided driving, operation inconvenience, spare tyre can not land.
Fork is fixed on vehicle frame vertically, avoids travelling or causing the larger vibration of fork during operation at engineering truck, prevents that fork flexural deformation from even rupturing.
Between fork and fork mounting bracket, shock-absorbing sleeve is set, has reduced the vibrations of spare tyre holder mechanism.
Mounting means between set pin and fixed mount need not repeatedly the hole, and the fork that locks and untie spare tyre holder is very simple.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (14)
1. a spare tyre holder, is characterized in that, comprising:
Spare tire installment support (140) comprises the spare tyre fixed part of captiveing joint with spare tyre (10);
Fork (180), the first end of described fork (180) comprises the articulated section hinged with vehicle frame, and it is upper and have rotatable around the axis of described fork (180) and along the axis moveable state of described fork (180) with respect to described fork (180) that described spare tire installment support (140) is installed on described fork (180);
Actuating device is connected with the second end of described fork (180), and rotate described fork (180) described articulated section around described fork (180) under the driving of described actuating device.
2. spare tyre holder according to claim 1, is characterized in that, described actuating device comprises:
Withdrawing rope mechanism;
Chain rope (130), the first end of described chain rope (130) are around in the wiring section of described withdrawing rope mechanism;
Pulley assembly (120), described pulley assembly (120) comprises first pulley (121) of the second end that is arranged at described fork (180) at least, and the second end of described chain rope (130) is fixed on described vehicle frame through each pulley of described pulley assembly (120).
3. spare tyre holder according to claim 1, is characterized in that, described spare tire installment support (140) comprises the sleeve pipe (143) of captiveing joint with described spare tyre fixed part, and described sleeve pipe (143) is sheathed on the periphery of described fork (180).
4. spare tyre holder according to claim 3, it is characterized in that, described spare tire installment support (140) also comprises and is individually fixed in described sleeve pipe (143) inner shaft to two first sleeves (144) at two ends, and described the first sleeve (144) coordinates with the circumferential play of described fork (180).
5. spare tyre holder according to claim 3, it is characterized in that, described fork (180) comprises the second sleeve (181) and the body of rod (182), described the second sleeve (181) forms described articulated section, an end face of the described body of rod (182) is fixed in the side of described the second sleeve (181), described sleeve pipe (143) is sheathed on the described body of rod (182), wherein, described the second sleeve (181) comprises the first plane with the surface that the described body of rod (182) is connected, and described the first plane coordinates with the end face of described sleeve pipe (143).
6. spare tyre holder according to claim 3, is characterized in that, described spare tyre holder comprises that also connection described spare tire installment support (140) and described fork (180) are so that both be in the wheel support fixed mechanism of stationary state.
7. spare tyre holder according to claim 6, is characterized in that,
The described sleeve pipe (143) of described spare tire installment support (140) upper away from described articulated section the end and first sleeve (144) of this end on breach (146) is set;
Described fork (180) comprises fork fixed part (184), and described fork fixed part (184) comprises that the bottom surface is the recess on the second plane;
Described wheel support fixed mechanism comprises pressing plate (190), described pressing plate (190) is fixed in described fork (180) and/or described spare tire installment support (140), and the butt respectively along described sleeve pipe (143) axial surface of described second plane of described pressing plate (190) and described fork fixed part (184) and described breach (146).
8. spare tyre holder according to claim 6, it is characterized in that, described wheel support fixed mechanism comprises the locating dowel pin (190A) that the first dowel hole on described sleeve pipe (143) with described spare tire installment support (140) and the second dowel hole on described fork (180) are connected.
9. the described spare tyre holder of any one according to claim 1 to 8, is characterized in that, described spare tyre holder also comprises the fork fixed mechanism for fixing described fork (180).
10. spare tyre holder according to claim 9, is characterized in that, the jointed shaft of described articulated section is along being horizontally disposed with, and described fork fixed mechanism is fixed in described fork (180) on described vehicle frame vertically.
11. spare tyre holder according to claim 9 is characterized in that, described fork fixed mechanism comprises:
Fixed mount (150), captive joint with described vehicle frame, described fixed mount (150) comprises the U-lag (151) relative with the sense of motion of described fork (180), and the second end of described fork (180) coordinates with described U-lag clamping, and two ends of described U-lag arrange fixed pin holes;
Set pin (161), described set pin (161) coordinate with the second end with described fork (180) with described fixed pin holes and are limited in described U-lag (151).
12. the described spare tyre holder of any one according to claim 1 to 8, it is characterized in that, described spare tyre holder also comprises the fork erecting frame (170) that is fixed on described vehicle frame, and the described articulated section of described fork (180) and described fork erecting frame (170) are hinged by connecting pin (171).
13. spare tyre holder according to claim 12 is characterized in that, is provided with shock-absorbing sleeve (172) between described fork (180) and described connecting pin (171).
14. an engineering truck comprises spare tyre holder, it is characterized in that, described spare tyre holder is the described spare tyre holder of any one according to claim 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220681038 CN202966464U (en) | 2012-12-11 | 2012-12-11 | Engineering vehicle and spare wheel carrier of engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220681038 CN202966464U (en) | 2012-12-11 | 2012-12-11 | Engineering vehicle and spare wheel carrier of engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202966464U true CN202966464U (en) | 2013-06-05 |
Family
ID=48507576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220681038 Withdrawn - After Issue CN202966464U (en) | 2012-12-11 | 2012-12-11 | Engineering vehicle and spare wheel carrier of engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202966464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975780A (en) * | 2012-12-11 | 2013-03-20 | 中联重科股份有限公司 | Engineering vehicle and spare tire rack thereof |
-
2012
- 2012-12-11 CN CN 201220681038 patent/CN202966464U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975780A (en) * | 2012-12-11 | 2013-03-20 | 中联重科股份有限公司 | Engineering vehicle and spare tire rack thereof |
| CN102975780B (en) * | 2012-12-11 | 2016-02-10 | 中联重科股份有限公司 | Engineering truck and spare tyre holder thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205330581U (en) | Double round dish carbon fiber continuous sucker rod plays operation device down | |
| CN204150983U (en) | A kind of ocean loop wheel machine slewing lock | |
| CN104790889A (en) | High-torque down-hole rod pipe tool detaching-assembling device | |
| CN202966464U (en) | Engineering vehicle and spare wheel carrier of engineering vehicle | |
| CN209740652U (en) | self-propelled compensating beam tipping arrangement | |
| CN102975780B (en) | Engineering truck and spare tyre holder thereof | |
| CN202292711U (en) | Front-axle engine subframe split-mounting platform | |
| CN208135850U (en) | A kind of rectangular flange plate overturning system | |
| CN201711750U (en) | Device of hollow shaft type driving unit of turnover electric locomotive | |
| CN207361605U (en) | A kind of crane crampon | |
| CN105672911A (en) | Environmentally-friendly automatic pipe column moving and transporting device | |
| CN215364594U (en) | Pipe hoist with lorry-mounted crane | |
| CN211366844U (en) | Engineering vehicle support oil cylinder lifting device | |
| CN210598181U (en) | Electro-hydraulic partition plate mounting equipment | |
| CN103545755A (en) | Track reversing device of cable drum carriage | |
| CN202922049U (en) | Manually-operated drilling machine positioning table special for automobile hub and manually-operated tapping drilling machine | |
| CN202657874U (en) | Folding type bearing mechanism of crawler crane | |
| CN203640764U (en) | Foldable mounting forklift | |
| CN202848849U (en) | Direction-adjustable embracing mechanism with safety lock | |
| CN110409886A (en) | Mechanical simple lifting three-dimensional parking device | |
| CN203553773U (en) | Track commutation apparatus of cable releasing vehicle | |
| CN205135466U (en) | Well drilling chuck | |
| CN220904939U (en) | Auxiliary supporting device and milling machine | |
| CN213710992U (en) | Spinner device | |
| CN104429322B (en) | Ladder driven by a kind of cropper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20160210 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |