CN204150981U - Little tonnage automobile crane supporting leg special washer - Google Patents
Little tonnage automobile crane supporting leg special washer Download PDFInfo
- Publication number
- CN204150981U CN204150981U CN201420340883.6U CN201420340883U CN204150981U CN 204150981 U CN204150981 U CN 204150981U CN 201420340883 U CN201420340883 U CN 201420340883U CN 204150981 U CN204150981 U CN 204150981U
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- China
- Prior art keywords
- pad
- bearing
- supporting leg
- leg
- leg disc
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of little tonnage automobile crane supporting leg special washer, comprise foursquare steel shim, for the leg disc of rounded groove is slotted in the middle part of pad upper surface center is provided with, the periphery circumference of rounded groove is provided with bar shaped fluting and shape containing cavity; Pad upper surface is vertically provided with the septum screw through hole with the conducting of bar shaped containing cavity; The corner of pad is provided with bearing mounting hole, is provided with bearing in bearing mounting hole, is provided with rear end and is fixed with the spiral bit connecting bull stick below pad, connects bull stick and is connected with the motor shaft arranged above pad by coupler through bearing; The utility model is being positioned under comparatively soft ground environment, and leg disc can be prevented to be absorbed in ground, increases car hosit stability; The spiral bit that can also be arranged by lower surface is pierced ground and produces earth-grasping force, prevents car hosit from turning on one's side, and reduces car hosit potential safety hazard operationally.
Description
Technical field
The utility model relates to a kind of car hosit accessory, particularly relates to a kind of little tonnage automobile crane supporting leg special washer.
Background technology
Car hosit is contained in a kind of hoisting crane on general-utility car chassis or cars chassis, and it travels operator's compartment and lifting control cabin is provided separately.Car hosit have manoevreability good, shift advantage rapidly.But car hosit must stretch out supporting leg to keep stable when operation.At present, car hosit is maximum, the most popular crane type of output.The supporting leg of existing car hosit generally comprises the supporting leg transverse arm that front end is provided with oil cylinder seat, is provided with support oil cylinder in oil cylinder seat, and the bottom of support oil cylinder is fixedly installed circular leg disc.During automobile crane machine operation, under the effect of support oil cylinder, leg disc falls and earth surface, for car hosit provides support.And existing car hosit is solid shape due to leg disc and be fixedly connected with supporting leg cylinder, be positioned at use under comparatively soft ground environment time, often run into the problem that leg disc bearing surface is inadequate, cause car hosit to face when operation and make problem stable not, there is potential safety hazard.Therefore, run into this situation, can only be solved, but be connected and fixed device without any between pad and leg disc by place mat pad below leg disc, when truck crane hoisting weight, there is the potential safety hazard of rollover in car hosit.
Utility model content
The purpose of this utility model is to provide a kind of little tonnage automobile crane supporting leg special washer, be positioned under comparatively soft ground environment, reliably can be connected with the leg disc being provided with bar blocks by the interface arrangment that pad upper surface is special, pad is made to disperse downforce by larger with contact area of ground when bearing automobile crane supporting leg downforce, prevent leg disc to be absorbed in ground, increase car hosit stability; The spiral bit that can also be arranged by lower surface is pierced ground and produces earth-grasping force, balanced by pad and the connection of automobile crane supporting leg and the earth-grasping force between pad and ground when bearing automobile crane supporting leg pulling force upwards, prevent car hosit from turning on one's side, reduce car hosit potential safety hazard operationally.
The utility model adopts following technical proposals:
A kind of little tonnage automobile crane supporting leg special washer, described automobile crane supporting leg special washer comprises foursquare steel shim, pad upper surface center is provided with leg disc fluting, leg disc fluting middle part is rounded groove, the periphery of rounded groove circumferentially horizontal homogeneous is provided with four identical bar shaped flutings, four bar shapeds flutings all with leg disc fluting center for the center of circle horizontally rotates extension 45 ° formation bar shaped containing cavity along clockwise direction; Pad upper surface is vertically provided with the septum screw through hole with the conducting of bar shaped containing cavity; The corner of pad is provided with bearing mounting hole, is provided with bearing in bearing mounting hole, is provided with rear end and is fixed with the spiral bit connecting bull stick below pad, connects bull stick and is connected with the motor shaft arranged above pad by coupler through bearing.
Described pad upper surface is provided with bearing pin.
All level indicator has been horizontally disposed with on described sleeve outer wall He on pad.
Described pad upper surface and lower surface are all fixed with dust-proof plate, and dust-proof plate is provided with perforation, bore a hole and are connected bull stick free-running fit, and dust-proof plate is set in and connects on bull stick.
The utility model by being provided with leg disc fluting at pad upper surface center, and utilizes bar shaped containing cavity to realize the clamping with crane support leg disc; Also side is provided with the spiral bit that rear end is fixed with connection bull stick under the shim simultaneously, connects bull stick and is connected with the motor shaft arranged above pad by coupler through bearing.The utility model is being positioned under comparatively soft ground environment, reliably can be connected with the leg disc being provided with bar blocks by the interface arrangment that pad upper surface is special, pad is made to disperse downforce by larger with contact area of ground when bearing automobile crane supporting leg downforce, prevent leg disc to be absorbed in ground, increase car hosit stability; The spiral bit that can also be arranged by lower surface is pierced ground and produces earth-grasping force, balanced by pad and the connection of automobile crane supporting leg and the earth-grasping force between pad and ground when bearing automobile crane supporting leg pulling force upwards, prevent car hosit from turning on one's side, reduce car hosit potential safety hazard operationally.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 be with the utility model with the use of the structural representation of crane support;
Fig. 3 is the package assembly schematic diagram of the utility model and crane support;
Fig. 4 is the utility model and crane support oil cylinder package assembly schematic diagram.
Detailed description of the invention
As shown in Figures 1 to 4, little tonnage automobile crane supporting leg special washer described in the utility model, with crane support leg disc 6 with the use of, crane support comprises the supporting leg transverse arm 2 that front end is provided with oil cylinder seat 1, support oil cylinder 3 is vertically installed with in oil cylinder seat 1, the piston rod 4 front end hollow of support oil cylinder 3, step wise positive and negative rotation motor 5 is provided with in the hollow space of piston rod 4 front end, the motor shaft vertical of step wise positive and negative rotation motor 5 is arranged downwards, and the motor shaft front end of step wise positive and negative rotation motor 5 is fixed on leg disc 6 center.Support oil cylinder 3 and step wise positive and negative rotation motor 5 all adopt and vertically arrange, and can ensure that automobile crane supporting leg operationally can be arranged perpendicular to ground, stablizing during guarantee automobile crane machine operation.
In the utility model with the use of automobile crane supporting leg leg disc 6 be special-shaped leg disc, the middle part of leg disc 6 is rounded portions 7, the periphery of the rounded portions 7 of leg disc 6 circumferentially horizontal homogeneous is provided with four orthogonal identical bar blocks 8, and bar blocks 8 forms snap-fit engagement for realizing leg disc 6 with crane support pad.The periphery of the rounded portions 7 of leg disc 6 extends to form sleeve 9 vertically, sleeve 9 is set in piston rod 4 front end outer side of support oil cylinder 3 and free-running fit, piston rod 4 leading exterior surface circumferentially horizontal homogeneous is provided with two positioning strips 10, on sleeve 9 outer wall, in positioning strip 10 corresponding position, circumferentially horizontal homogeneous is provided with two location grooves, positioning strip 10 is positioned at location groove, the combination of the location groove of sleeve 9 and the positioning strip 10 of piston rod 4 is arranged to be fixed for realizing the two mutual position, can ensure that leg disc 6 rotates at same plane.Under the drive of step wise positive and negative rotation motor 5, the positioning strip 10 that leg disc 6 is arranged by location groove and piston rod 4 outside face rotates with piston rod 4 cw 45 ° or conter clockwise 45 °.
Crane support special washer described in the utility model comprises foursquare steel shim 11, can adopt several steel shim 11 according to different sizes, pad 11 can by giving car hosit with stability support in various degree from the different area of contact on ground.Pad 11 upper surface center is provided with slots 12 with the vertical leg disc of leg disc 6 mating shapes, be rounded groove in the middle part of leg disc fluting 12, the periphery of rounded groove circumferentially horizontal homogeneous is provided with four identical bar shaped flutings 13, the shape of bar shaped fluting 13 is identical with bar blocks 8, the degree of depth of bar shaped fluting 13 is greater than the height of bar blocks 8, can enter in the leg disc fluting 12 of pad 11 inside setting for making leg disc 6 from the top of pad 11.In order to realize the snap-fit engagement of leg disc 6 and pad 11, in leg disc fluting 12, four bar shapeds corresponding with the bar blocks 8 of leg disc 6 are slotted and 13 are all formed bar blocks containing cavity 14 with leg disc 12 centers of slotting for the center of circle horizontally rotates extension 45 ° along clockwise direction; After in the leg disc fluting 12 that leg disc 6 enters into the setting of pad 11 inside, the bar shaped that the bar blocks 8 of leg disc 6 is arranged in leg disc fluting 12 corresponding with the bar blocks 8 of leg disc 6 slots 13; When step wise positive and negative rotation motor 5 drives leg disc 6 clickwise, bar blocks 8 bar shaped corresponding with the bar blocks 8 of leg disc 6 from leg disc fluting 12 of leg disc 6 slots 13, progressively clickwise enters in the bar blocks containing cavity 14 of leg disc fluting 12, stop when step wise positive and negative rotation motor 5 drives leg disc 6 clickwise to reach 45 °, now the bar blocks 8 of leg disc 6 moves to end position, can fix realizing the relative position of leg disc 6 with pad 11.When leg disc 6 is subject to power upwards or downward power, the lower chamber of bar blocks containing cavity 14 and upper cavity all can be supplied to leg disc 6 one antagonistic forces, ensure that leg disc 6 can not be separated with pad 11, can provide support for car hosit.
The corner of pad 11 is provided with bearing mounting hole, bearing is provided with in bearing mounting hole, be provided with rear end below pad 11 and be fixed with the spiral bit 21 connecting bull stick 20, connect bull stick 20 and be connected with motor 22 axle arranged above pad by coupler 23 through bearing.During use, starter motor 22, spiral bit 21 will pierce ground and produce earth-grasping force, balanced by pad 11 and the connection of automobile crane supporting leg leg disc 6 and the earth-grasping force between pad and ground when bearing automobile crane supporting leg leg disc 6 pulling force upwards, prevent car hosit from turning on one's side, reduce car hosit potential safety hazard operationally.Pad 11 upper surface and lower surface are all fixed with dust-proof plate 24, dust-proof plate 24 is provided with perforation, perforation be connected bull stick 20 free-running fit, dust-proof plate 24 is set on connection bull stick 20, can stop that dust that spiral bit 21 is taken out of enters in bearing and cause bearing damage.
In order to realize the fixing of leg disc 6 and pad 11 further, pad 11 upper surface is provided with the septum screw through hole 15 with bar blocks containing cavity 14 conducting, bar blocks 8 upper surface of leg disc 6 is provided with leg disc screw thread knock hole, the position of leg disc screw thread knock hole can be arranged on the position corresponding with septum screw through hole 15 when bar blocks 8 moves to end position, bolt can be screwed in leg disc screw thread knock hole by septum screw through hole 15 by user, utilizes bolt further to fix leg disc 6 and pad 11.
Due to when automobile start machine operation, the pulling force born between leg disc 6 and pad 11 or pressure are very large, therefore, the utility model is provided with axis pin base 16 at piston rod 4 outside face and pad 11 upper surface, is removably connected with skewed horizontal load bar 17 between piston rod 4 and pad 11 by bearing pin.So far, piston rod 4, pad 11 and skewed horizontal load bar 17 form triangular structure, have very high stability, leg disc 6 and pad 11 can be avoided, between piston rod 4 and sleeve 9 because stressed excessive and be damaged.
Because step wise positive and negative rotation motor 5 needs cw 45 ° or left-hand revolution 45 °, and the positioning strip 10 of piston rod 4 has certain error, burning therefore in order to avoid step wise positive and negative rotation motor 5, the length of locating groove in the utility model be greater than that 1/8 of sleeve 9 outer wall girth is less than location groove 1/6, the rotation of positioning strip 10 cw 45 ° or left-hand revolution 45 ° in the groove of location can be ensured.Necessarily surplus is had owing to being provided with between positioning strip 10 and location groove, in order to ensure to rotate fixing to assigned address at positioning strip 10, the utility model is provided with bush whorl through hole 18 at sleeve 9 outside face, piston rod 4 outside face is provided with piston rod thread knock hole, the position of piston rod thread knock hole can be arranged on the position corresponding with bush whorl through hole 18 when bar blocks 8 moves to end position, bolt can be screwed in piston rod thread knock hole by bush whorl through hole 18 by user, bolt is utilized further to fix sleeve 9 and piston rod 4.
The utility model has also all been horizontally disposed with level indicator 19 on sleeve 9 outer wall He on pad 11, after automobile crane supporting leg and pad 11 combine by user, heavy-duty machine leg structure can be detected according to the level indicator 19 that sleeve 9 outer wall is arranged and whether be positioned at vertical state, and utilize all horizontally disposed level indicator 19 on pad 11 to detect crane support special washer whether to be horizontal, judge whether car hosit is in safe mode of operation with this, avoid car hosit to work under unsure state initiation safety misadventure.
The utility model in use, first the crane support special washer of suitable size is selected, and crane support special washer is positioned over below automobile crane supporting leg, then starter motor 22 makes spiral bit 21 pierce ground, then supporting leg cylinder control plunger bar 4 is utilized to decline, 4 of leg disc 6 bar blocks 8 are made to fall to the leg disc fluting 12 of pad 11 upper surface center setting, and then by control step formula positive and negative rotation motor 5 clickwise 45 °, 4 of leg disc 6 bar blocks 8 are rotated in bar blocks containing cavity 14.Finally re-use bolt fixed muffle 9 and piston rod 4, leg disc 6 and pad 11 respectively; Finally install skewed horizontal load bar 17 again, and judge whether car hosit is in safe mode of operation according on sleeve 9 outer wall with horizontally disposed level indicator 19 on pad 11, if in a safe condition, button-up operations completes, and can start automobile crane machine operation immediately.
Be positioned under comparatively soft ground environment, reliably can be connected with the leg disc 6 being provided with bar blocks 8 by the interface arrangment that pad 11 upper surface described in the utility model is special, pad 11 is made to disperse downforce by larger with contact area of ground when bearing automobile crane supporting leg downforce, prevent leg disc 6 to be absorbed in ground, increase car hosit stability; The spiral bit 21 that can also be arranged by lower surface is pierced ground and produces earth-grasping force, balanced by pad 11 and the connection of automobile crane supporting leg leg disc 6 and the earth-grasping force between pad 11 and ground when bearing automobile crane supporting leg pulling force upwards, prevent car hosit from turning on one's side, reduce car hosit potential safety hazard operationally.
Claims (3)
1. one kind little tonnage automobile crane supporting leg special washer, it is characterized in that: described automobile crane supporting leg special washer comprises foursquare steel shim, pad upper surface center is provided with leg disc fluting, leg disc fluting middle part is rounded groove, the periphery of rounded groove circumferentially horizontal homogeneous is provided with four identical bar shaped flutings, four bar shapeds flutings all with leg disc fluting center for the center of circle horizontally rotates extension 45 ° formation bar shaped containing cavity along clockwise direction; Pad upper surface is vertically provided with the septum screw through hole with the conducting of bar shaped containing cavity; The corner of pad is provided with bearing mounting hole, is provided with bearing in bearing mounting hole, is provided with rear end and is fixed with the spiral bit connecting bull stick below pad, connects bull stick and is connected with the motor shaft arranged above pad by coupler through bearing.
2. little tonnage automobile crane supporting leg special washer according to claim 1, is characterized in that: described pad upper surface is provided with bearing pin.
3. little tonnage automobile crane supporting leg special washer according to claim 2, it is characterized in that: described pad upper surface and lower surface are all fixed with dust-proof plate, dust-proof plate is provided with perforation, bores a hole and is connected bull stick free-running fit, and dust-proof plate is set in and connects on bull stick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340883.6U CN204150981U (en) | 2014-06-24 | 2014-06-24 | Little tonnage automobile crane supporting leg special washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340883.6U CN204150981U (en) | 2014-06-24 | 2014-06-24 | Little tonnage automobile crane supporting leg special washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204150981U true CN204150981U (en) | 2015-02-11 |
Family
ID=52509117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420340883.6U Expired - Fee Related CN204150981U (en) | 2014-06-24 | 2014-06-24 | Little tonnage automobile crane supporting leg special washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204150981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263614A (en) * | 2018-11-20 | 2019-01-25 | 三汽车制造有限公司 | Support leg device and special vehicle |
-
2014
- 2014-06-24 CN CN201420340883.6U patent/CN204150981U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263614A (en) * | 2018-11-20 | 2019-01-25 | 三汽车制造有限公司 | Support leg device and special vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20160624 |