CN204161324U - A kind of construction machinery and equipment and supporting leg - Google Patents
A kind of construction machinery and equipment and supporting leg Download PDFInfo
- Publication number
- CN204161324U CN204161324U CN201420490517.9U CN201420490517U CN204161324U CN 204161324 U CN204161324 U CN 204161324U CN 201420490517 U CN201420490517 U CN 201420490517U CN 204161324 U CN204161324 U CN 204161324U
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- CN
- China
- Prior art keywords
- oil cylinder
- telescopic
- drag chain
- telescopic oil
- supporting leg
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- 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 - Lifetime
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- 238000010276 construction Methods 0.000 title claims abstract description 12
- 239000000314 lubricant Substances 0.000 claims abstract description 49
- 239000012530 fluid Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000002028 premature Effects 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 description 5
- 230000002452 interceptive effect Effects 0.000 description 4
- 208000012661 Dyskinesia Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- Jib Cranes (AREA)
Abstract
The utility model discloses a kind of supporting leg, comprise fixed arm, intermediate arm, telescopic boom, telescopic oil cylinder group, support oil cylinder, support oil cylinder is arranged on the end of telescopic boom, intermediate arm is enclosed within fixed arm, telescopic boom is enclosed within intermediate arm, telescopic oil cylinder group to be arranged in intermediate arm and for driving fixed arm, intermediate arm, telescopic boom relative movement, comprise the first drag chain and the second drag chain, first consistent lubricant pipe is installed in the first drag chain, second consistent lubricant pipe is installed in the second drag chain, second consistent lubricant pipe is communicated with the first consistent lubricant pipe, second consistent lubricant pipe one end is communicated with support oil cylinder, first drag chain one end is fixed on fixed arm, and the other end is fixed in telescopic oil cylinder group, second drag chain one end is fixed in telescopic oil cylinder group, and the other end is fixed on telescopic boom.The utility model additionally provides a kind of construction machinery and equipment.The utility model solves consistent lubricant pipe premature abrasion and robust motion in landing leg stretching process, prevents the first drag chain and the second drag chain and other component interference.
Description
Technical field
The utility model relates to engineering machinery field, particularly a kind of supporting leg and the construction machinery and equipment with this supporting leg.
Background technology
At present, arm support construction machinery and equipment, for ensureing steadily of centre of gravity and tire anti-explosion, can install support leg device additional, such as: the construction machinery and equipment such as hoisting crane and concrete pump truck.Construction machinery and equipment is supported in order to realize supporting leg, at the end of supporting leg, support oil cylinder is installed, in order to support oil cylinder fuel feeding, general employing two consistent lubricant pipes, supporting leg is in telescopic process, two consistent lubricant pipes easily wear and tear and damage, but also can cause the telescopic oil cylinder group in supporting leg and two consistent lubricant pipe generation wrapping phenomenas, cause supporting leg to stretch.
In order to fixing flexible pipe, at present, general employing is led and turntable structure, and two consistent lubricant pipes are wrapped on rotating disk, and landing leg stretching pulls turntable rotation, realize two consistent lubricant pipe folding and unfolding actions.This structure need take up room greatly, and rub because consistent lubricant pipe and rotating disk exist, consistent lubricant pipe exists tension always, easily causes consistent lubricant pipe premature abrasion and damage.In addition, rotating disk relies on the spring force of self to realize retracting, and will have predetermincd tension, and the size of this predetermincd tension has strict requirement during installation, therefore high to the installation requirement of rotating disk, if predetermincd tension setting is improper, also easily causes rotating disk folding and unfolding to have some setbacks.
Utility model content
In view of this, the utility model proposes a kind of construction machinery and equipment and supporting leg, to solve consistent lubricant pipe premature abrasion and robust motion in landing leg stretching process, the problem preventing from interfering with other parts etc.
On the one hand, the utility model provides a kind of supporting leg, comprise fixed arm, intermediate arm, telescopic boom, telescopic oil cylinder group, support oil cylinder, support oil cylinder is arranged on the end of telescopic boom, intermediate arm is enclosed within fixed arm, telescopic boom is enclosed within intermediate arm, telescopic oil cylinder group to be arranged in intermediate arm and for driving fixed arm, intermediate arm, telescopic boom relative movement, comprise the first drag chain and the second drag chain, first consistent lubricant pipe is installed in the first drag chain, second consistent lubricant pipe is installed in the second drag chain, second consistent lubricant pipe is communicated with the first consistent lubricant pipe, second consistent lubricant pipe one end is communicated with support oil cylinder, first drag chain one end is fixed on fixed arm, and the other end is fixed in telescopic oil cylinder group, second drag chain one end is fixed in telescopic oil cylinder group, and the other end is fixed on telescopic boom.
Further, be provided with the first drag chain support plate in fixed arm, the first drag chain is positioned on the first drag chain support plate.
Further, the second drag chain is supported on the base plate of telescopic boom.
Further, the first drag chain and the second drag chain are arranged in above and below telescopic oil cylinder group.
Further, telescopic oil cylinder group is provided with the first oil connector and the second oil connector and the hard tube being connected the first oil connector and the second oil connector, first oil connector is connected with the first consistent lubricant pipe, and the second oil connector is connected with the second consistent lubricant pipe other end.
Further, telescopic oil cylinder group comprises the first telescopic oil cylinder and the second telescopic oil cylinder, the cylinder barrel of the first telescopic oil cylinder and the second telescopic oil cylinder is interfixed by the Connection Block at two ends, the cylinder barrel of the second telescopic oil cylinder is connected with intermediate arm, the piston rod of the second telescopic oil cylinder is connected with telescopic boom, the piston rod of the first telescopic oil cylinder is connected with fixed arm, and the first oil connector and the second oil connector are arranged on the two ends of the first telescopic oil cylinder or the second telescopic oil cylinder cylinder barrel respectively.
Further, the point of connection between the second telescopic oil cylinder and intermediate arm, point of connection between the second telescopic oil cylinder and telescopic boom are positioned at the second telescopic oil cylinder and stretch on axis.
Further, telescopic boom and fixed arm are provided with waist shaped hole, the length direction of waist shaped hole cross-sectional plane is in above-below direction, and the first telescopic oil cylinder is connected with fixed arm and telescopic boom by the removable pin be arranged in waist shaped hole respectively with the piston rod of the second telescopic oil cylinder.
Further, the rod chamber of the first telescopic oil cylinder is connected by oil pipe with the rod chamber of the second telescopic oil cylinder, the rodless cavity of the first telescopic oil cylinder is connected by oil pipe with the rodless cavity of the second telescopic oil cylinder, the piston rod of the first telescopic oil cylinder offers two hydraulic fluid ports, and two hydraulic fluid ports communicate with the rod chamber of the first telescopic oil cylinder and rodless cavity respectively.
In addition, the utility model additionally provides a kind of construction machinery and equipment, comprises above-mentioned supporting leg.
The construction machinery and equipment that the utility model provides and supporting leg, in landing leg stretching process, drag chain can move with the telescopic oil cylinder group be connected.If when intermediate arm moves relative to fixed arm, the first drag chain moves with the first telescopic oil cylinder, if when telescopic boom moves relative to intermediate arm, the second drag chain moves with the second telescopic oil cylinder.The consistent lubricant pipe being positioned at drag chain can not interfere with other parts, consistent lubricant pipe stable movement, can not produce rub with other parts.Adopt multiple drag chain structure, drag chain can be prevented long, drag chain weight increases, and causes drag chain dyskinesia, the problems such as bumpy motion; In addition, the first drag chain support plate is installed in fixed arm, ensure that the first drag chain and intermediate arm occur mutually to interfere, improve the first drag chain stable movement and stability.Second drag chain is supported on the base plate of telescopic boom, improves the second drag chain stable movement and stability.In addition, the first drag chain and the second drag chain are arranged up and down, can prevent the first drag chain and the second drag chain from mutually interfering in motion process.
Telescopic oil cylinder group is provided with the first oil connector and the second oil connector and the hard tube being connected the first oil connector and the second oil connector, the length of the first consistent lubricant pipe and the second consistent lubricant pipe can be shortened, thus the length of the first drag chain and the second drag chain can be shortened, thus reduce the weight of the first drag chain and the second drag chain, improve the stationarity of the first drag chain and the motion of the second drag chain.
The cylinder barrel of the first telescopic oil cylinder and the second telescopic oil cylinder is interfixed by the Connection Block at two ends, adjustment first telescopic oil cylinder and the second telescopic oil cylinder axis that stretches can be facilitated to be parallel to each other, guarantee that telescopic boom and intermediate arm move steadily, prevent telescopic boom and intermediate arm jam phenomenon.Second telescopic oil cylinder and intermediate arm point of connection and be positioned at the second telescopic oil cylinder with telescopic boom point of connection and stretch on axis, prevent telescopic boom and intermediate arm jam phenomenon.Be provided with waist shaped hole at telescopic boom and fixed arm, waist shaped hole can regulate the flexible axis of telescopic oil cylinder group parallel with middle contracting arm mobile axis with telescopic boom, prevents telescopic boom and intermediate arm jam phenomenon.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the utility model supporting leg deployed condition structural representation;
Fig. 2 is the utility model supporting leg rounding state structural representation;
Fig. 3 is the enlarged view of the part A of Fig. 1;
Fig. 4 is the enlarged view of the part B of Fig. 1.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 1, the utility model provides a kind of supporting leg and is in deployed condition, as shown in Figure 2, supporting leg is in rounding state, outrigger arm is three joint arms, and comprise fixed arm 4, intermediate arm 2, telescopic boom 1, telescopic oil cylinder group, support oil cylinder 16, support oil cylinder 16 is arranged on the end of telescopic boom 1, intermediate arm 2 is enclosed within fixed arm 4, and telescopic boom 1 is enclosed within intermediate arm 2.Telescopic oil cylinder group comprises the first telescopic oil cylinder 3 and the second telescopic oil cylinder 13, launches and draw in for driving supporting leg.
In order to solve consistent lubricant pipe premature abrasion and the robust motion in landing leg stretching process to support oil cylinder 16 fuel feeding, the problem preventing from interfering with other parts etc.Supporting leg comprises the second drag chain 14 being positioned at fixed arm 4 first drag chain 7 and being positioned at telescopic boom 1, first consistent lubricant pipe 5 is installed in the first drag chain 7, second consistent lubricant pipe 15 is installed in the second drag chain 14, second consistent lubricant pipe 15 is communicated with the first consistent lubricant pipe 5, and second consistent lubricant pipe 15 one end is communicated with support oil cylinder 16; First drag chain 7 one end is fixed on fixed arm 4, and the other end is fixed in telescopic oil cylinder group; Second drag chain 14 one end is fixed in telescopic oil cylinder group, and the other end is fixed on telescopic boom 1.
Second consistent lubricant pipe 15 and the first consistent lubricant pipe 5 are the oil line pipes to support oil cylinder 16 fuel feeding and oil return.If only have an oil pipe to support oil cylinder 16 fuel feeding and oil return, the first consistent lubricant pipe 5 and the second consistent lubricant pipe 15 are one.If have two oil pipes to support oil cylinder 16 fuel feeding and oil return, the first consistent lubricant pipe 5 and the second consistent lubricant pipe 15 include two.
In landing leg stretching process, the first drag chain 7 can move with the telescopic oil cylinder group be connected with the second drag chain 14.If when intermediate arm 2 moves relative to fixed arm 4, the first drag chain 7 moves with the first telescopic oil cylinder 3, if when telescopic boom 1 moves relative to intermediate arm 2, the second drag chain 14 moves with the second telescopic oil cylinder 13.The consistent lubricant pipe being positioned at drag chain can not interfere with other parts, consistent lubricant pipe stable movement, can not produce rub with other parts.Adopt multiple drag chain structure, drag chain can be prevented long, drag chain weight increases, and causes drag chain dyskinesia, the problems such as bumpy motion.
There is mutual interference in order to solve the first drag chain 7 with intermediate arm 2, improving the first drag chain 7 stable movement and stability.First drag chain support plate 6, first drag chain 7 is installed in fixed arm 4 be supported on the first drag chain support plate 6.Supporting problem to solve the second drag chain 14, the second drag chain 14 being supported on the base plate of telescopic boom 1, improve the second drag chain 14 stable movement and stability.In addition, the first drag chain 7 and the second drag chain about 14 are arranged, can prevent the first drag chain 7 and the second drag chain 14 from mutually interfering in motion process.
In order to shorten the length of the first consistent lubricant pipe 5 and the second consistent lubricant pipe 15 and shorten the length of the first drag chain 7 and the second drag chain 14, reduce the weight of the first drag chain 7 and the second drag chain 14, improve the stationarity of the first drag chain 7 and the motion of the second drag chain 14.First oil connector 8 and the second oil connector 12 are arranged on the two ends of the first telescopic oil cylinder 3 or the second telescopic oil cylinder 13 cylinder barrel respectively.First oil connector 8 is communicated with the second oil connector 12 with the hard tube 9 on the second telescopic oil cylinder 13 cylinder barrel by being arranged on the first telescopic oil cylinder 3.
In order to prevent telescopic boom 1 and intermediate arm 2 jam phenomenon.The cylinder barrel of the first telescopic oil cylinder 3 and the second telescopic oil cylinder 13 is interfixed by the Connection Block at two ends, the cylinder barrel of the second telescopic oil cylinder 13 is connected with intermediate arm 2, the piston rod of the second telescopic oil cylinder 13 is connected with telescopic boom 1, and the piston rod of the first telescopic oil cylinder 3 is connected with fixed arm 4.Second telescopic oil cylinder 13 and intermediate arm 2 point of connection and be positioned at the second telescopic oil cylinder 13 with telescopic boom 1 point of connection and stretch on axis.Adjustment first telescopic oil cylinder 3 and the second telescopic oil cylinder 13 axis that stretches can be facilitated to be parallel to each other, to guarantee that telescopic boom 1 and intermediate arm 2 move steadily, prevent telescopic boom 1 and intermediate arm 2 jam phenomenon.
As shown in Figure 3 and Figure 4, be provided with waist shaped hole 17 at telescopic boom 1 and fixed arm 4, two waist shaped holes 17 are connected with the piston rod of the first telescopic oil cylinder 3 and the second telescopic oil cylinder 13 respectively.When mounted, waist shaped hole 17 can regulate the flexible axis of telescopic oil cylinder group parallel with intermediate arm 2 mobile axis with telescopic boom 1 to telescopic oil cylinder group, prevents telescopic boom 1 and intermediate arm 2 jam phenomenon.
In order to realize the first telescopic oil cylinder 3 and the second telescopic oil cylinder 13 synchronization telescope, the rod chamber of the first telescopic oil cylinder 3 is connected by oil pipe 10 with the rod chamber of the second telescopic oil cylinder 13, the rodless cavity of the first telescopic oil cylinder 3 is connected by oil pipe 11 with the rodless cavity of the second telescopic oil cylinder 13, the piston rod of the first telescopic oil cylinder 3 offers two hydraulic fluid ports, 18, two hydraulic fluid ports 18 communicate with the rod chamber of the first telescopic oil cylinder 3 and rodless cavity respectively.
Supporting leg of the present utility model, described telescopic boom 1 not only only has an arm, and telescopic boom 1 also can be made up of single oil cylinder.If supporting leg is made up of four joint arms, telescopic boom 1 just comprises two joint arms, between this two joints arm, be provided with a drag chain structure.If supporting leg is made up of five joint arms, telescopic boom 1 just comprises three joint arms, between this three joints arm, be provided with two drag chain structures, the like.
The utility model additionally provides the construction machinery and equipment comprising above-mentioned supporting leg.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a supporting leg, comprise fixed arm (4), intermediate arm (2), telescopic boom (1), telescopic oil cylinder group, support oil cylinder (16), support oil cylinder (16) is arranged on the end of telescopic boom (1), intermediate arm (2) is enclosed within fixed arm (4), telescopic boom (1) is enclosed within intermediate arm (2), telescopic oil cylinder group to be arranged in intermediate arm (2) and for driving fixed arm (4), intermediate arm (2), telescopic boom (1) relative movement, it is characterized in that, comprise the first drag chain (7) and the second drag chain (14), first consistent lubricant pipe (5) is installed in the first drag chain (7), second consistent lubricant pipe (15) is installed in the second drag chain (14), second consistent lubricant pipe (15) is communicated with the first consistent lubricant pipe (5), second consistent lubricant pipe (15) one end is communicated with support oil cylinder (16), first drag chain (7) one end is fixed on fixed arm (4), and the other end is fixed in telescopic oil cylinder group, second drag chain (14) one end is fixed in telescopic oil cylinder group, and the other end is fixed on telescopic boom (1).
2. supporting leg according to claim 1, it is characterized in that, in fixed arm (4), be provided with the first drag chain support plate (6), the first drag chain (7) is positioned on the first drag chain support plate (6).
3. supporting leg according to claim 1, is characterized in that, the second drag chain (14) is supported on the base plate of telescopic boom (1).
4. supporting leg according to claim 1, is characterized in that, the first drag chain (7) and the second drag chain (14) are arranged in above and below telescopic oil cylinder group.
5. supporting leg according to claim 1, it is characterized in that, telescopic oil cylinder group is provided with the first oil connector (8) and the second oil connector (12) and the hard tube (9) being connected the first oil connector (8) and the second oil connector (12), first oil connector is connected with the first consistent lubricant pipe (5), and the second oil connector is connected with second consistent lubricant pipe (15) other end.
6. supporting leg according to claim 5, it is characterized in that, telescopic oil cylinder group comprises the first telescopic oil cylinder (3) and the second telescopic oil cylinder (13), the cylinder barrel of the first telescopic oil cylinder (3) and the second telescopic oil cylinder (13) is interfixed by the Connection Block at two ends, the cylinder barrel of the second telescopic oil cylinder (13) is connected with intermediate arm (2), the piston rod of the second telescopic oil cylinder (13) is connected with telescopic boom (1), the piston rod of the first telescopic oil cylinder (3) is connected with fixed arm (4), first oil connector (8) and the second oil connector (12) are arranged on the two ends of the first telescopic oil cylinder (3) or the second telescopic oil cylinder (13) cylinder barrel respectively.
7. supporting leg according to claim 6, it is characterized in that, the point of connection between the second telescopic oil cylinder (13) and intermediate arm (2), point of connection between the second telescopic oil cylinder (13) and telescopic boom (1) are positioned on the flexible axis of the second telescopic oil cylinder (13).
8. supporting leg according to claim 7, it is characterized in that, telescopic boom (1) and fixed arm (4) are provided with waist shaped hole (17), the length direction of waist shaped hole (17) cross-sectional plane is in above-below direction, and the first telescopic oil cylinder (3) is connected with fixed arm (4) and telescopic boom (1) by the removable pin be arranged in waist shaped hole (17) respectively with the piston rod of the second telescopic oil cylinder (13).
9. supporting leg according to claim 7, it is characterized in that, the rod chamber of the first telescopic oil cylinder (3) is connected by oil pipe (10) with the rod chamber of the second telescopic oil cylinder (13), the rodless cavity of the first telescopic oil cylinder (3) is connected by oil pipe (11) with the rodless cavity of the second telescopic oil cylinder (13), the piston rod of the first telescopic oil cylinder (3) offers two hydraulic fluid ports (18), and two hydraulic fluid ports (18) communicate with the rod chamber of the first telescopic oil cylinder (3) and rodless cavity respectively.
10. a construction machinery and equipment, is characterized in that, comprises the supporting leg as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490517.9U CN204161324U (en) | 2014-08-28 | 2014-08-28 | A kind of construction machinery and equipment and supporting leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490517.9U CN204161324U (en) | 2014-08-28 | 2014-08-28 | A kind of construction machinery and equipment and supporting leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204161324U true CN204161324U (en) | 2015-02-18 |
Family
ID=52535039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420490517.9U Expired - Lifetime CN204161324U (en) | 2014-08-28 | 2014-08-28 | A kind of construction machinery and equipment and supporting leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204161324U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532781A (en) * | 2018-12-17 | 2019-03-29 | 青岛金鼎鑫宝专用车辆有限公司 | A kind of engineering truck supporting leg built-in type stretchable hydraulic oil pipe |
| CN114195056A (en) * | 2021-12-22 | 2022-03-18 | 湖南星邦智能装备股份有限公司 | Built-in tow chain of four sections of flexible arms of synchronous telescope |
-
2014
- 2014-08-28 CN CN201420490517.9U patent/CN204161324U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532781A (en) * | 2018-12-17 | 2019-03-29 | 青岛金鼎鑫宝专用车辆有限公司 | A kind of engineering truck supporting leg built-in type stretchable hydraulic oil pipe |
| CN109532781B (en) * | 2018-12-17 | 2024-04-26 | 青岛金鼎鑫宝专用车辆有限公司 | Built-in telescopic hydraulic oil pipe for engineering vehicle landing leg |
| CN114195056A (en) * | 2021-12-22 | 2022-03-18 | 湖南星邦智能装备股份有限公司 | Built-in tow chain of four sections of flexible arms of synchronous telescope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150218 |