CN108639978A - A kind of leg disc and the crane for installing the leg disc - Google Patents
A kind of leg disc and the crane for installing the leg disc Download PDFInfo
- Publication number
- CN108639978A CN108639978A CN201810503677.5A CN201810503677A CN108639978A CN 108639978 A CN108639978 A CN 108639978A CN 201810503677 A CN201810503677 A CN 201810503677A CN 108639978 A CN108639978 A CN 108639978A
- Authority
- CN
- China
- Prior art keywords
- leg disc
- support base
- socket
- ball
- guide groove
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The present invention discloses a kind of leg disc and installs the crane of the leg disc, belongs to technical field of crane equipment, and the leg disc two includes guide groove, the support base for installing guide groove and is arranged at the top of support base ball-and-socket for installation oil cylinder bulb；Limiting slot is provided on support base, ball-and-socket is embedded into limiting slot, and ball-and-socket and support base are using interference fit；Guide groove uses non-linear structure, and guide groove is equipped with hook limit crossbeam, working hole position and hangs up hole position, and when the oil cylinder bulb of Vertical Cylinders is located in ball-and-socket, installation fastening axis pin keeps leg disc two in running order in the working hole position；When the oil cylinder bulb of Vertical Cylinders is detached from ball-and-socket, installation fastening axis pin makes leg disc two be in off working state in the hang-up hole position.Leg disc provided by the invention manufactures the support base of leg disc using a kind of integral forming structure, and the relatively existing steel construction of material proportion of the support base is lighter, and entire leg disc construction weight can be made to be greatly reduced with respect to steel welding structure.
Description
Technical field
The present invention relates to a kind of leg disc and the crane of the leg disc is installed, belongs to technical field of crane equipment.
Background technology
Leg disc in crane is a kind of approximate tray type structure, is used to support the crane of hoisting operation and by active force
Supporting surface is passed to, bearing capacity is played the role of and stablizes implement.There are four leg discs for a general crane, in lifting
Four leg discs are contacted with supporting surface when operation, form four-point supporting.
Leg disc is typically mounted at the end of supporting leg Vertical Cylinders in crane, is transported with the movement of vehicle and Vertical Cylinders
It is dynamic.For the leg disc applied in crane there are mainly two types of form, one kind is gland-type；Another kind is plug-type, such as Fig. 1 institutes
Show, leg disc 1 is connect with Vertical Cylinders 2, and Vertical Cylinders 2 are connect with movable supporting legs 3, and movable supporting legs 3 are mounted on vehicle frame 4.
As shown in Figures 2 and 3, plug-type leg disc 1 welds for steel construction piece, and straight channel suspending rail is welded with pedestal 7
Together, the bulb of Vertical Cylinders 2 can be slided along channel suspending rail.Two states are formed in Fig. 2, Fig. 3 for bulb slidable adjustment to show
It is intended to, limit pin shaft 8 fixes the relative position of oil cylinder bulb and pedestal 7 by the hole on channel suspending rail.Vehicle when driving, is pulled up
Limit pin shaft 8 pushes channel suspending rail that channel suspending rail can be made to be blocked with fixing device 6, and wherein fixing device 6 is installed on vehicle frame and fixes
End 5, is then inserted into limit pin shaft 8 (state as shown in Figure 2) on channel suspending rail.When hoisting operation, limit pin shaft 8 is adjusted
Position makes the ball-and-socket centering (state as shown in Figure 3) of oil cylinder bulb and pedestal 7, this position be the working condition of leg disc 1, this
When leg disc 1 can carry corresponding load, this working condition need two pieces limit pin shaft 8 carry out oil cylinder limit.
It is found in use, existing plug-type leg disc there is a problem of following:
1) guide groove of existing leg disc is linear, can only be pushed and pulled along rectilinear direction.In portioned product, due to space
Smaller, simple linearly push-and-pull is arranged not open；It linearly pushes and pulls, leg disc is whole close to rear of vehicle, is
The influence factor of departure angle, influences the passability of vehicle, and departure angle is as shown in Figure 4.
2) existing leg disc is compared using welding for steel structure, heavier-weight when adjusting two kinds of location status by manpower
Difficulty, and under the light-weighted requirement of complete machine structure, single overall weight, structure type are the key points for needing to be promoted.
Invention content
In view of the above existing problems in the prior art, the present invention provides a kind of leg disc and the lifting of the leg disc is installed
Machine.
To achieve the goals above, a kind of leg disc that the present invention uses, the leg disc two include guide groove, for installing
The support base of guide groove and ball-and-socket for installation oil cylinder bulb is set at the top of support base；
Limiting slot is provided on the support base, the ball-and-socket is embedded into limiting slot, and the ball-and-socket and support base used
It is full of cooperation；
The guide groove uses non-linear structure, guide groove to be equipped with hook limit crossbeam, working hole position and hang up hole position, when
When the oil cylinder bulb of Vertical Cylinders is located in ball-and-socket, installation fastening axis pin makes leg disc two be in work shape in the working hole position
State；When the oil cylinder bulb of Vertical Cylinders is detached from ball-and-socket, installation fastening axis pin makes leg disc two be in non-in the hang-up hole position
Working condition.
As an improvement, the support base is made of light material.
As an improvement, the ball-and-socket is made of steel alloy.
As an improvement, the guide groove is fixed on by fastening bolt and gasket on support base.
As an improvement, the end of the fastening axis pin is fixed by spring catch.
As an improvement, the arc-shaped structure of guide groove, the side of guide groove are provided with grip hole position.
In addition, the present invention also provides a kind of crane, stabilizer blade described in any one of the above embodiments is installed on the crane
Disk.
Compared with prior art, the beneficial effects of the invention are as follows：
1) leg disc provided by the invention manufactures the support base of leg disc, the support base using a kind of integral forming structure
The relatively existing steel construction of material proportion it is lighter, entire leg disc construction weight can be made substantially to be dropped with respect to steel welding structure
It is low.
2) cylindrical ball-and-socket is embedded into support base by the present invention, connects ball-and-socket and support base by the way of interference fit
It is connected together, uniform load can be transitioned into support base by such connection type, experiments have shown that the structure service life meets
It is required that.
3) present invention uses nonlinear type guide groove, relative to existing linear type guide groove can only Linear scaling, nonlinear type leads
Slot can be such that leg disc is moved according to the radian of setting guide groove, arrange arc guide groove on the vehicle of limited space, both can be with
Interference of the leg disc with other parts during sliding adjusts position is avoided, and can ensure that leg disc can be adjusted smoothly
It is whole to arrive fixed position, make leg disc not only without departing from vehicle width, but also vehicle departure angle can not be influenced.
Description of the drawings
Fig. 1 is existing plug-type leg disc scheme of installation；
Fig. 2 is existing plug-type leg disc collapsed state schematic diagram；
Fig. 3 is existing plug-type leg disc working state schematic representation；
Fig. 4 is that existing vehicle departure angle delimit schematic diagram；
Fig. 5 is the configuration schematic diagram of leg disc in the present invention；
Fig. 6 is the structural schematic diagram of support base in the present invention；
Fig. 7 is the structural schematic diagram of guide groove in the present invention；
Fig. 8 is the working state schematic representation of leg disc in the present invention；
Fig. 9 is the suspended state schematic diagram one of leg disc in the present invention；
Figure 10 is the suspended state schematic diagram two of leg disc in the present invention；
In figure：1, leg disc one, 2, Vertical Cylinders, 3, movable supporting legs, 4, vehicle frame, 5, vehicle frame fixing end, 6, fixing device,
7, pedestal, 8, limit pin shaft, 9, fastening bolt, 10, spring catch, 11, fastening axis pin, 12, guide groove, 13, support base, 14, ball-and-socket,
15, limiting slot, 16, hook limit crossbeam, 17, grip hole position, 18, working hole position, 19, hang up hole position, 20, fixed supporting leg, 21,
Leg disc two, 22, hook.
Specific implementation mode
In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention is carried out below further detailed
It describes in detail bright.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention, it is not limited to this hair
Bright range.
Unless otherwise defined, all technical terms and scientific terms used herein are led with the technology for belonging to the present invention
The normally understood meaning of technical staff in domain is identical, and used term is intended merely to retouch in the description of the invention herein
State the purpose of specific embodiment, it is not intended that in the limitation present invention.
As shown in Fig. 5, Fig. 6 and Fig. 7, a kind of leg disc, the leg disc 2 21 includes guide groove 12, for installing guide groove 12
Support base 13 and be arranged and be used for the ball-and-socket 14 of installation oil cylinder bulb at the top of support base 13；
The limiting slot 15 of anti-rotation is provided on the support base 13, the ball-and-socket 14 is embedded into limiting slot 15, the ball
Nest 14 and support base 13 are using interference fit；Limiting slot 15 can prevent ball-and-socket 14 from being rotated in support base 13 after assembly, ball-and-socket
14 are made of metal alloy steel, and ball-and-socket 14 is to use process in the force transferring part between oil cylinder bulb and support base 13
Middle ball-and-socket 14 bears alternating load repeatedly, is easy to happen fatigue rupture, and the present invention finally obtains insertion by lot of experiment validation
Ball-and-socket connection type, power transmission is steadily firm, and disclosure satisfy that the fatigue life requirements that this product uses；
The guide groove 12 uses non-linear structure, guide groove 12 to be equipped with hook limit crossbeam 16, working hole position 18 and hang
Hole position 19 is played, when the oil cylinder bulb of Vertical Cylinders 2 is located in ball-and-socket 14, installation fastening axis pin 11 makes in the working hole position 18
Leg disc 2 21 is in running order；When the oil cylinder bulb of Vertical Cylinders 2 is detached from ball-and-socket 14, installation in the hang-up hole position 19
Fastening axis pin 11 makes leg disc 2 21 be in off working state.
As the improvement of embodiment, the support base 13 is made of light material, can be metal material or other
Non-metallic material, the present invention manufacture leg disc bearing part (support base 13) using a kind of structure of die casting global formation,
The material proportion of the structure is lighter with respect to steel construction, while ensureing to carry calibration load, keeps leg disc overall structure opposite
Steel construction leg disc weight saving 1/3 to 1/2.
As the improvement of embodiment, the guide groove 12 is fixed on by fastening bolt 9 and gasket on support base 13, whole
Body structure is more firm, easy for installation.
As the improvement of embodiment, the end of the fastening axis pin 11 is fixed by spring catch 10, convenient for disassembly and assembly.
As the improvement of embodiment, the change of 12 arc-shaped structure of the guide groove, i.e. location footprint is by non-rectilinear rail
Mark moves to corresponding position and fixed；The side of guide groove 12 is provided with grip hole position 17, easy to use.
In addition, the present invention also provides a kind of crane, stabilizer blade described in any one of the above embodiments is installed on the crane
Disk.
When using leg disc of the invention, job state：
When crane job, the relative position of leg disc 2 21 and hook 22 is first operated, makes leg disc 2 21 and hook 22
Then separation operates Vertical Cylinders 2, make the support of leg disc 2 21 on the ground, and fastening axis pin 11 is then installed on working hole position
At 18, fastened by spring catch 10, it is specific as shown in Figure 8.
Leg disc off working state：
Fastening axis pin 11 is pulled out, pushes leg disc 2 21 to turn right along guide groove 12, and hook 22 is made to enter in guide groove 12,
Hook 22 moves to limit naturally at the hook limit crossbeam 16 of guide groove 12, is inserted into fastening axis pin 11 hangs up hole 19 at this time,
Limitation leg disc 2 21 moves to the left, and 2 21 position of leg disc is locked at this time.2 21 suspended state of leg disc is shown in Fig. 9, Figure 10,
In addition compared with the existing technology in, need two limit pin shafts 8 to realize that the limit function of Vertical Cylinders 2, the present invention are improved to
Working hole position 18 is separately mounted to using a fastening axis pin 11, hangs up hole position 19, you can realizes the work to Vertical Cylinders bulb
Make the position-limiting action with suspended state.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (7)
1. a kind of leg disc, which is characterized in that the leg disc two (21) includes guide groove (12), the branch for installing guide groove (12)
Support the ball-and-socket (14) that seat (13) and setting are used for installation oil cylinder bulb at the top of support base (13)；
Limiting slot (15) is provided on the support base (13), the ball-and-socket (14) is embedded into limiting slot (15), the ball-and-socket
(14) and support base (13) is using interference fit；
The guide groove (12) uses non-linear structure, guide groove (12) to be equipped with hook limit crossbeam (16), working hole position (18)
With hang up hole position (19), when the oil cylinder bulb of Vertical Cylinders (2) be located at ball-and-socket (14) it is interior when, installs in the working hole position (18)
Fastening axis pin (11) keeps leg disc two (21) in running order；When the oil cylinder bulb of Vertical Cylinders (2) is detached from ball-and-socket (14),
Installation fastening axis pin (11) makes leg disc two (21) be in off working state in the hang-up hole position (19).
2. a kind of leg disc according to claim 1, which is characterized in that the support base (13) uses light material system
At.
3. a kind of leg disc according to claim 1, which is characterized in that the ball-and-socket (14) is made of steel alloy.
4. a kind of leg disc according to claim 1, which is characterized in that the guide groove (12) by fastening bolt (9) and
Gasket is fixed on support base (13).
5. a kind of leg disc according to claim 1, which is characterized in that the end of the fastening axis pin (11) passes through spring
It is fixed to sell (10).
6. a kind of leg disc according to claim 1, which is characterized in that the arc-shaped structure of the guide groove (12), guide groove
(12) side is provided with grip hole position (17).
7. a kind of crane, which is characterized in that be equipped with claim 1-6 any one of them leg discs on the crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810503677.5A CN108639978B (en) | 2018-05-23 | 2018-05-23 | Supporting leg disc and crane provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810503677.5A CN108639978B (en) | 2018-05-23 | 2018-05-23 | Supporting leg disc and crane provided with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108639978A true CN108639978A (en) | 2018-10-12 |
| CN108639978B CN108639978B (en) | 2019-12-20 |
Family
ID=63757936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810503677.5A Active CN108639978B (en) | 2018-05-23 | 2018-05-23 | Supporting leg disc and crane provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108639978B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479173A (en) * | 2021-07-27 | 2021-10-08 | 三一汽车起重机械有限公司 | Landing leg fixing device, landing leg assembly and engineering machinery |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000086163A (en) * | 1998-09-04 | 2000-03-28 | Sumitomo Constr Mach Co Ltd | Outrigger device for construction machine |
| JP3271036B2 (en) * | 1994-04-04 | 2002-04-02 | 株式会社加藤製作所 | Crane truck fall prevention device |
| CN201002939Y (en) * | 2007-01-25 | 2008-01-09 | 徐州重型机械有限公司 | Push-pull type supporting leg disc |
| CN201362562Y (en) * | 2008-11-14 | 2009-12-16 | 四川长江工程起重机有限责任公司 | Position-adjusting supporting foot disc of crane |
| JP2010222138A (en) * | 2009-03-25 | 2010-10-07 | Tadano Ltd | Outrigger device |
| CN102311056A (en) * | 2010-07-08 | 2012-01-11 | 徐州重型机械有限公司 | Crane supporting leg supporting device and crane using same |
| CN202481969U (en) * | 2011-12-22 | 2012-10-10 | 徐州重型机械有限公司 | Support leg plate and crane provided with same |
| CN203295091U (en) * | 2013-05-10 | 2013-11-20 | 北汽福田汽车股份有限公司 | Supporting leg disc assembly |
| JP2015059017A (en) * | 2013-09-19 | 2015-03-30 | コベルコクレーン株式会社 | Outrigger float and working vehicle |
| CN204366953U (en) * | 2014-12-19 | 2015-06-03 | 重庆树德教育研究所 | A kind of four-degree-of-freedom manipulator |
-
2018
- 2018-05-23 CN CN201810503677.5A patent/CN108639978B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3271036B2 (en) * | 1994-04-04 | 2002-04-02 | 株式会社加藤製作所 | Crane truck fall prevention device |
| JP2000086163A (en) * | 1998-09-04 | 2000-03-28 | Sumitomo Constr Mach Co Ltd | Outrigger device for construction machine |
| CN201002939Y (en) * | 2007-01-25 | 2008-01-09 | 徐州重型机械有限公司 | Push-pull type supporting leg disc |
| CN201362562Y (en) * | 2008-11-14 | 2009-12-16 | 四川长江工程起重机有限责任公司 | Position-adjusting supporting foot disc of crane |
| JP2010222138A (en) * | 2009-03-25 | 2010-10-07 | Tadano Ltd | Outrigger device |
| CN102311056A (en) * | 2010-07-08 | 2012-01-11 | 徐州重型机械有限公司 | Crane supporting leg supporting device and crane using same |
| CN202481969U (en) * | 2011-12-22 | 2012-10-10 | 徐州重型机械有限公司 | Support leg plate and crane provided with same |
| CN203295091U (en) * | 2013-05-10 | 2013-11-20 | 北汽福田汽车股份有限公司 | Supporting leg disc assembly |
| JP2015059017A (en) * | 2013-09-19 | 2015-03-30 | コベルコクレーン株式会社 | Outrigger float and working vehicle |
| CN204366953U (en) * | 2014-12-19 | 2015-06-03 | 重庆树德教育研究所 | A kind of four-degree-of-freedom manipulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479173A (en) * | 2021-07-27 | 2021-10-08 | 三一汽车起重机械有限公司 | Landing leg fixing device, landing leg assembly and engineering machinery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108639978B (en) | 2019-12-20 |
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