CN210485030U - Supporting device and engineering machinery - Google Patents
Supporting device and engineering machinery Download PDFInfo
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- CN210485030U CN210485030U CN201921287500.2U CN201921287500U CN210485030U CN 210485030 U CN210485030 U CN 210485030U CN 201921287500 U CN201921287500 U CN 201921287500U CN 210485030 U CN210485030 U CN 210485030U
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Abstract
The utility model provides a strutting arrangement and engineering machine tool, wherein, strutting arrangement includes: a leg arm; the limiting connecting piece is detachably connected with the supporting leg arm, and a guide hole is formed in the limiting connecting piece; the supporting leg oil cylinder penetrates through the guide hole and is connected with the supporting leg arm; the limiting connecting piece is provided with a stopping portion, the supporting leg oil cylinder is provided with a limiting portion, the limiting portion can slide up and down relative to the stopping portion, and the stopping portion is used for being matched with the stopping portion of the limiting portion to limit the supporting leg oil cylinder to be separated from the supporting leg arm. This strutting arrangement can dismantle the spacing connecting piece of being connected with the landing leg arm through setting up to through the backstop cooperation of the backstop portion on spacing connecting piece and the spacing portion backstop on the landing leg hydro-cylinder, thereby can prevent that the landing leg hydro-cylinder from breaking away from the landing leg arm when the relative landing leg arm of landing leg hydro-cylinder slides from top to bottom, because spacing connecting piece mounting structure is small, be convenient for install and dismantle, and the landing leg hydro-cylinder outside need not connect the sleeve, thereby can alleviate the weight of landing leg.
Description
Technical Field
The utility model relates to an engineering machine tool technical field particularly, relates to a strutting arrangement and engineering machine tool including this strutting arrangement.
Background
At present, a support device of the existing engineering machinery mainly comprises a sleeve, a supporting leg oil cylinder and a pressure measuring device, wherein the sleeve is arranged on the engineering machinery through a connecting piece; the supporting leg oil cylinder is arranged in the sleeve and can slide up and down along the sleeve; the pressure measuring device is arranged between the top end portion of the supporting leg oil cylinder and the sleeve, so that the pressure born by the supporting device can be measured accurately in real time in the working process of the engineering machinery, however, the supporting leg oil cylinder is arranged in the sleeve, the sleeve is arranged on the engineering machinery through the connecting piece, difficulty is caused in mounting and dismounting the supporting leg oil cylinder, the sleeve is used for positioning and guiding the supporting leg oil cylinder, and the weight of the whole supporting leg is increased to a certain degree.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, an object of the present invention is to provide a supporting device.
Another object of the present invention is to provide an engineering machine including the above supporting device.
In order to achieve the above object, the present invention provides a supporting device, including: a leg arm; the limiting connecting piece is detachably connected with the supporting leg arm, and a guide hole is formed in the limiting connecting piece; the supporting leg oil cylinder penetrates through the guide hole and is connected with the supporting leg arm; the limiting connecting piece is provided with a stopping part, the supporting leg oil cylinder is provided with a limiting part, the limiting part can slide up and down relative to the stopping part, and the stopping part is used for being matched with the stopping part of the limiting part to limit the supporting leg oil cylinder to be separated from the supporting leg arm.
The utility model discloses technical scheme of the first aspect provides a strutting arrangement, include: the support leg arm, the limit connecting piece and the support leg oil cylinder, the limit connecting piece is detachably connected with the support leg arm, the limit connecting piece is provided with a guide hole for positioning and guiding, the support leg oil cylinder passes through the guide hole and is connected with the support leg arm for supporting engineering machinery, wherein, a stopping part is arranged on the limit connecting piece, a limit part is arranged on the support leg oil cylinder, the limit part can slide up and down relative to the stopping part, namely, the limit part is abutted against the support leg arm when the support leg oil cylinder plays a supporting role, when the support leg oil cylinder is in a free state, the limit part is stopped by the stopping part to prevent the support leg oil cylinder from being separated from the support leg arm, simultaneously, the stability of the support is ensured, when the support leg oil cylinder needs to be detached from the support leg arm, the limit connecting piece is detached, the limit function of the stopping part is removed, the, the supporting leg oil cylinder is convenient to mount and dismount, the weight is reduced, the pressure on the supporting leg oil cylinder is reduced, and the service life of the supporting leg oil cylinder is prolonged.
Additionally, the utility model provides an among the above-mentioned technical scheme strutting arrangement can also have following additional technical characterstic:
in the above technical scheme, the landing leg arm includes the landing leg arm body and with the hydro-cylinder mounting panel that the landing leg arm body links to each other, spacing connecting piece with the connection can be dismantled to the hydro-cylinder mounting panel.
The landing leg arm includes landing leg arm body and hydro-cylinder mounting panel, and the hydro-cylinder mounting panel can with landing leg arm main part fixed connection, also can dismantle with the landing leg arm hydro-cylinder and be connected, through can dismantling spacing connecting piece and hydro-cylinder mounting panel and be connected, the hydro-cylinder mounting panel plays and strengthens fixed effect, has effectively avoided spacing connecting piece and landing leg arm to install repeatedly and dismantle the damage that causes the landing leg arm.
In the above technical scheme, the limit connecting piece partially extends to a direction close to the supporting leg oil cylinder to form the stopping part, and the limit part is located between the stopping part and the oil cylinder mounting plate.
The local direction that is close to the landing leg hydro-cylinder of spacing connecting piece extends in order to form backstop portion, and spacing portion is spacing between backstop portion and hydro-cylinder mounting panel, and when spacing portion leaned on with backstop portion, backstop portion can restrict the landing leg hydro-cylinder and break away from with the landing leg arm mutually, and the preferred plane of fitting surface that the hydro-cylinder mounting panel corresponds with backstop portion is convenient for support with spacing portion cooperation to improve the stability of supporting.
In the above technical scheme, be equipped with hydro-cylinder mounting flange on the landing leg hydro-cylinder, hydro-cylinder mounting flange with landing leg hydro-cylinder fixed connection, just hydro-cylinder mounting flange protrusion in the terminal surface of landing leg hydro-cylinder forms spacing portion.
Be equipped with hydro-cylinder mounting flange on the landing leg hydro-cylinder, hydro-cylinder mounting flange and landing leg hydro-cylinder fixed connection, if through welding or integrative mode fixed connection that links to each other, hydro-cylinder mounting flange protrusion forms spacing portion in the terminal surface of landing leg hydro-cylinder outer peripheral face, spacing position is between backstop portion and hydro-cylinder mounting panel to receive the limiting displacement of backstop portion and hydro-cylinder mounting panel, make landing leg hydro-cylinder and spacing connecting piece spacing connection, in order to prevent that landing leg hydro-cylinder and landing leg arm from breaking away from.
In the technical scheme, a first bulge is arranged on the oil cylinder mounting plate, a second bulge is arranged on the limiting connecting piece, and the first bulge abuts against one side, far away from the supporting leg oil cylinder, of the second bulge so as to limit the limiting connecting piece to move towards the direction far away from the supporting leg oil cylinder; or, be equipped with first arch on the hydro-cylinder mounting panel, it is protruding to be equipped with the second on the spacing connecting piece, the second is protruding to be leaned on first arch is kept away from one side of landing leg hydro-cylinder.
The partial downward bending of periphery side of hydro-cylinder mounting panel is formed with first arch, and the local upwards arch of spacing connecting piece forms the second arch, and first arch supports and leans on the second arch and keeps away from one side of landing leg hydro-cylinder, plays limiting displacement to the direction of keeping away from the landing leg hydro-cylinder to restriction spacing connecting piece, in order to ensure backstop portion, hydro-cylinder mounting panel and spacing portion backstop complex reliability and stability.
Of course, the first bulge can also lean against one side of the second bulge close to the supporting leg oil cylinder, so that the connection between the oil cylinder mounting plate and the limiting connecting piece is reliable.
In any of the above technical solutions, the supporting device further includes: the copper sleeve is sleeved on the inner peripheral side of the guide hole, is positioned between the stopping part and the limiting part, and is detachably connected with the limiting connecting piece; and/or, the supporting device further comprises: the guide piece is arranged on the supporting leg arm and provided with a guide channel, and the supporting leg oil cylinder can slide in a reciprocating mode along the guide channel.
The supporting device further comprises a copper sleeve sleeved on the inner peripheral side of the guide hole, the copper sleeve is located between the stopping portion and the limiting portion, a protection effect is achieved, the strength of the stopping portion is improved, the stopping portion is prevented from being damaged due to stress concentration, and the use reliability of the product is further improved.
The supporting device further comprises a guide piece arranged on the supporting leg arm, the guide piece can be a copper sleeve or a guide groove, and the guide piece is provided with a guide channel, so that the supporting leg oil cylinder can slide back and forth along the guide channel, and the stability of sliding is improved.
In the above technical scheme, a limiting groove is arranged on the supporting leg oil cylinder, the limiting groove forms the limiting portion, and the stopping portion abuts against a groove wall of the limiting groove close to the supporting leg arm.
The supporting leg oil cylinder is provided with a limiting groove which forms a limiting part, and the stopping part is abutted against the groove wall close to the supporting leg arm on the limiting groove to play a limiting role so as to limit the separation of the supporting leg oil cylinder and the supporting leg arm and ensure the reliability of support.
In the above technical solution, the supporting device further includes: and the pressure measuring device is arranged on the oil cylinder mounting plate or between the stopping part and the limiting part and is used for detecting the acting force between the stopping part and the limiting part.
The supporting device further comprises a pressure measuring device arranged on the oil cylinder mounting plate or between the stopping portion and the limiting portion, when the oil cylinder mounting plate abuts against the limiting portion, the pressure measuring device can detect the interaction force between the oil cylinder mounting plate and the limiting portion in real time, when the stopping portion abuts against the limiting portion, the pressure measuring device can detect the interaction force between the limiting portion and the stopping portion in real time, namely the pressure received by the supporting leg oil cylinder, so that the size of the load received by the supporting device can be observed in real time.
In any one of the above technical solutions, the limiting connecting member is a split flange, the split flange includes a first flange and a second flange, and the first flange and the second flange are symmetrically disposed on two sides of the supporting leg oil cylinder and are connected with the oil cylinder mounting plate through bolts.
Spacing connecting piece is for run from opposite directions the flange, and run from opposite directions the flange includes first flange and second flange, run from opposite directions the flange and be in including the symmetry the first flange and the second flange of landing leg hydro-cylinder both sides, and first flange with the second flange all with hydro-cylinder mounting panel bolted connection, be convenient for installation and dismantlement, and the structure is comparatively regular to with hydro-cylinder mounting flange structure looks adaptation, help improving the stability to landing leg hydro-cylinder support.
The utility model discloses technical scheme of second aspect provides an engineering machine tool, include: the mechanical body is provided with a connecting part, and the supporting device is connected with the connecting part.
The utility model discloses engineering machine that technical scheme of second aspect provided, because of including any in the first aspect technical scheme strutting arrangement, therefore have all beneficial effects that any above-mentioned technical scheme had, no longer describe herein.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of a support device according to some embodiments of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a front view of a support device according to some embodiments of the present invention;
fig. 4 is a partial schematic structural view of a support device according to some embodiments of the present invention;
FIG. 5 is an enlarged schematic view of the portion B of FIG. 4;
fig. 6 is an enlarged schematic view of the portion C in fig. 4.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 6 is:
the supporting device comprises a supporting device body, a supporting leg arm body 10, a cylinder mounting plate 101, a first protrusion 1011, a guide 102, a supporting leg cylinder 20, a cylinder mounting flange 201, a limiting portion 2011, a split flange 30, a first flange 301, a second flange 302, a stopping portion 303, a second protrusion 304 and a copper sleeve 40.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The following describes a supporting device and a construction machine according to some embodiments of the present invention with reference to fig. 1 to 6.
As shown in fig. 1 to 5, an embodiment of the first aspect of the present invention provides a supporting device 1, including: a leg arm 10; the limiting connecting piece is detachably connected with the supporting leg arm 10, and a guide hole is formed in the limiting connecting piece; the supporting leg oil cylinder 20 penetrates through the guide hole and is connected with the supporting leg arm 10; wherein, be equipped with backstop portion 303 on the spacing connecting piece, be equipped with spacing portion 2011 on the landing leg hydro-cylinder 20, spacing portion 2011 can slide from top to bottom relative to backstop portion 303, backstop portion 303 is used for cooperating with spacing portion 2011 backstop to restriction landing leg hydro-cylinder 20 breaks away from landing leg arm 10.
The utility model discloses the embodiment of the first aspect provides a strutting arrangement 1, include: the support leg comprises a support leg arm 10, a limiting connecting piece and a support leg oil cylinder 20, wherein the limiting connecting piece is detachably connected with the support leg arm 10, a guide hole is formed in the limiting connecting piece to play a role in positioning and guiding, the support leg oil cylinder 20 penetrates through the guide hole and is connected with the support leg arm 10 to be used for supporting engineering machinery, a stopping part 303 is arranged on the limiting connecting piece, a limiting part 2011 is arranged on the support leg oil cylinder 20 and can slide up and down relative to the stopping part 303, when the limiting part 2011 abuts against the stopping part 303, the mutual stopping effect is achieved, the support leg oil cylinder 20 is prevented from being separated from the support leg arm 10, the stability of support is guaranteed, when the support leg oil cylinder 20 needs to be detached from the support leg arm 10, the limiting effect of the stopping part 303 is removed by detaching the limiting connecting piece, the separation of the support leg oil cylinder 20 and the support leg arm 10 can be achieved, and the weight is reduced, which is beneficial to reducing the pressure on the supporting leg oil cylinder 20 and prolonging the service life of the supporting leg oil cylinder 20.
The specific structure of the support device 1 provided in the present application is described in detail below with reference to some embodiments.
Example one
The supporting leg arm 10 comprises a supporting leg arm 10 body and an oil cylinder mounting plate 101 connected with the supporting leg arm 10 body, and the limiting connecting piece is detachably connected with the oil cylinder mounting plate 101, as shown in fig. 4 and 5.
Specifically, the limit connector partially extends to a direction close to the leg cylinder 20 to form a stopping portion 303, and the limit portion 2011 is located between the stopping portion 303 and the cylinder mounting plate 101, as shown in fig. 5.
The local direction that is close to landing leg hydro-cylinder 20 of spacing connecting piece extends in order to form backstop portion 303, spacing portion 2011 is spacing between backstop portion 303 and hydro-cylinder mounting panel 101, and when spacing portion 2011 leaned on with backstop portion 303, backstop portion 303 can restrict landing leg hydro-cylinder 20 and landing leg arm 10 and break away from mutually, and the preferred plane of the corresponding fitting surface of hydro-cylinder mounting panel 101 and backstop portion 303 is convenient for support with spacing portion 2011 cooperation to improve the stability of supporting.
Preferably, a cylinder mounting flange 201 is arranged on the leg cylinder 20, the cylinder mounting flange 201 is fixedly connected with the leg cylinder 20, and the cylinder mounting flange 201 protrudes out of the end surface of the leg cylinder 20 to form a limiting portion 2011, as shown in fig. 4 and 5.
Be equipped with hydro-cylinder mounting flange 201 on landing leg hydro-cylinder 20, hydro-cylinder mounting flange 201 and landing leg hydro-cylinder 20 fixed connection, if through welding or integrative mode fixed connection that links to each other, hydro-cylinder mounting flange 201 protrusion forms spacing portion 2011 in the terminal surface of landing leg hydro-cylinder 20 outer peripheral face, spacing portion 2011 is located between backstop portion 303 and hydro-cylinder mounting panel 101, and receive backstop portion 303 and hydro-cylinder mounting panel 101's limiting displacement, make landing leg hydro-cylinder 20 and spacing connecting piece spacing connection, in order to prevent that landing leg hydro-cylinder 20 and landing leg arm 10 from breaking away.
Preferably, a first protrusion 1011 is arranged on the cylinder mounting plate 101, a second protrusion 304 is arranged on the limit connector, and the first protrusion 1011 abuts against one side of the second protrusion 304 far away from the leg cylinder 20 to limit the limit connector to move towards the direction far away from the leg cylinder 20, as shown in fig. 4 and 5.
The partial downward bending of the periphery side of hydro-cylinder mounting panel 101 is formed with first arch 1011, and the local upwards protruding second arch 304 that forms of spacing connecting piece, first arch 1011 support and lean on the protruding 304 one side of keeping away from landing leg hydro-cylinder 20 of second, play limiting displacement to the direction of keeping away from landing leg hydro-cylinder 20 of restriction spacing connecting piece, in order to ensure that backstop portion 303, hydro-cylinder mounting panel 101 and spacing portion 2011 backstop complex reliability and stability.
EXAMPLE two (not shown)
The difference from the first embodiment is that: be equipped with first arch 1011 on the hydro-cylinder mounting panel 101, be equipped with second arch 304 on the spacing connecting piece, second arch 304 supports and leans on the one side of keeping away from landing leg hydro-cylinder 20 at first arch 1011.
Of course, the first protrusion 1011 can also abut against the side of the second protrusion 304 close to the leg cylinder 20, so that the connection between the cylinder mounting plate 101 and the limit connector is reliable.
EXAMPLE III
The difference from the first embodiment or the second embodiment is that: on the basis of the first embodiment or the second embodiment, further, the supporting device 1 further includes: the copper bush 40 is sleeved on the inner periphery of the guide hole, is located between the stopping portion 303 and the limiting portion 2011, and is detachably connected with the limiting connecting piece, as shown in fig. 3 and 4.
The supporting device 1 further comprises a copper sleeve 40 sleeved on the inner peripheral side of the guide hole, the copper sleeve 40 is located between the stopping portion 303 and the limiting portion 2011, a protection effect is achieved, the strength of the stopping portion 303 is improved, the stopping portion 303 is prevented from being damaged due to stress concentration, and the use reliability of a product is further improved.
Further, the supporting device 1 further includes: and a guide member 102 provided on the leg arm 10, the guide member 102 having a guide passage along which the leg cylinder 20 can slide reciprocally, as shown in fig. 4 and 6.
The support device 1 further comprises a guide member 102 disposed on the leg arm 10, the guide member 102 may be a copper sleeve or a guide groove, and the guide member 102 is provided with a guide passage, so that the leg cylinder 20 can slide back and forth along the guide passage, and the stability of sliding can be improved.
EXAMPLE four (not shown)
The difference from the first embodiment is that: the supporting leg oil cylinder 20 is provided with a limiting groove, the limiting groove forms a limiting part 2011, and the stopping part 303 abuts against the groove wall of the limiting groove close to the supporting leg arm 10.
The supporting leg oil cylinder 20 is provided with a limiting groove, the limiting groove forms a limiting part 2011, and the stopping part 303 abuts against the groove wall, close to the supporting leg arm 10, of the limiting groove to play a limiting role so as to limit the supporting leg oil cylinder 20 to be separated from the supporting leg arm 10 and guarantee the supporting reliability.
EXAMPLE five
The difference from any one of the first to fourth embodiments is that: on the basis of any one of the first to fourth embodiments, further, the supporting device 1 further includes: and the pressure measuring device is arranged on the oil cylinder mounting plate 101 or between the stopping part 303 and the limiting part 2011, and is used for detecting acting force between the stopping part 303 and the limiting part 2011.
The supporting device 1 further comprises a pressure measuring device arranged on the oil cylinder mounting plate 101 or between the stopping portion 303 and the limiting portion 2011, when the oil cylinder mounting plate 101 abuts against the limiting portion 2011, the pressure measuring device can detect the interaction force between the oil cylinder mounting plate 101 and the limiting portion 2011 in real time, when the stopping portion 303 abuts against the limiting portion 2011, the pressure measuring device can detect the interaction force between the limiting portion 2011 and the stopping portion 303 in real time, namely the pressure received by the supporting leg oil cylinder 20, so that the size of the load received by the supporting device 1 can be observed in real time.
Preferably, the limit connector is a split flange 30, the split flange 30 includes a first flange 301 and a second flange 302 symmetrically disposed on both sides of the leg cylinder 20, and both the first flange 301 and the second flange 302 are bolted to the cylinder mounting plate 101, as shown in fig. 1 and 2.
Spacing connecting piece is for run from opposite directions flange 30, and run from opposite directions flange 30 includes first flange 301 and second flange 302, and first flange 301 and second flange 302 symmetry set up in landing leg hydro-cylinder 20's both sides to through with hydro-cylinder mounting panel 101 bolted connection, be convenient for install and dismantle, and the structure is comparatively regular, and with hydro-cylinder mounting flange 201 structure looks adaptation, help improving the stability of supporting landing leg hydro-cylinder 20.
The utility model discloses the embodiment of second aspect provides an engineering machine tool, include: a machine body provided with a connecting portion, and the support device 1 of any one of the embodiments of the first aspect, the support device 1 being connected to the connecting portion.
The embodiment of the second aspect of the present invention provides an engineering machine, which comprises the supporting device 1 of any one of the embodiments of the first aspect, and therefore has all the advantages of any one of the embodiments, and is not repeated herein.
The specific structure and operation of the supporting device provided in the present application will be described in detail with reference to a specific embodiment.
As shown in fig. 1 to 4, the utility model provides a supporting device comprises hydro-cylinder mounting panel, run from opposite directions flange, copper sheathing, hydro-cylinder mounting flange, landing leg hydro-cylinder and landing leg arm. The oil cylinder mounting plate is fixedly connected with the supporting leg arm, the split flange is connected with the oil cylinder mounting plate through screws and is fixed with the whole supporting leg arm, the copper sleeve is connected with the split flange through bolts, and the oil cylinder mounting flange is matched with an inner cavity of the split flange. In the working process of the engineering machinery, the supporting device is supported, the supporting leg oil cylinder moves upwards, the mounting flange of the supporting leg oil cylinder and the surface of the inner cavity of the oil cylinder mounting plate are in contact with each other to generate mutual extrusion, and at the moment, the sensor can detect the pressure born by the supporting leg oil cylinder and measure the pressure born by the supporting device in real time. The split flange mounting structure is small in size and is fixedly connected through the screws and the bolts, so that the split flange mounting structure is easy to mount and dismount, and a connecting sleeve is not needed outside the supporting leg oil cylinder, so that the weight of the supporting leg can be reduced.
To sum up, the utility model provides a supporting device can dismantle the spacing connecting piece of being connected through setting up and landing leg arm to through the cooperation of backstop portion on the spacing connecting piece and the spacing portion backstop on the landing leg hydro-cylinder, thereby can prevent that the landing leg hydro-cylinder from breaking away from the landing leg arm when the relative landing leg arm of landing leg hydro-cylinder slides from top to bottom, because spacing connecting piece mounting structure is small, be convenient for install and dismantle, and the landing leg hydro-cylinder outside need not connect the sleeve, thereby can alleviate the weight of landing leg.
In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A support device for a construction machine, comprising:
a leg arm;
the limiting connecting piece is detachably connected with the supporting leg arm, and a guide hole is formed in the limiting connecting piece;
the supporting leg oil cylinder penetrates through the guide hole and is connected with the supporting leg arm;
the limiting connecting piece is provided with a stopping part, the supporting leg oil cylinder is provided with a limiting part, the limiting part can slide up and down relative to the stopping part, and the stopping part is used for being matched with the stopping part of the limiting part to limit the supporting leg oil cylinder to be separated from the supporting leg arm.
2. The support device of claim 1,
the landing leg arm comprises a landing leg arm body and an oil cylinder mounting plate connected with the landing leg arm body, and the limiting connecting piece is detachably connected with the oil cylinder mounting plate.
3. The support device of claim 2,
the limiting connecting piece is locally extended to be close to the direction of the supporting leg oil cylinder to form the stopping part, and the limiting part is located between the stopping part and the oil cylinder mounting plate.
4. The support device of any one of claims 1 to 3,
be equipped with hydro-cylinder mounting flange on the landing leg hydro-cylinder, hydro-cylinder mounting flange with landing leg hydro-cylinder fixed connection, just hydro-cylinder mounting flange protrusion in the terminal surface of landing leg hydro-cylinder forms spacing portion.
5. Support device according to claim 2 or 3,
the oil cylinder mounting plate is provided with a first bulge, the limiting connecting piece is provided with a second bulge, and the first bulge abuts against one side, far away from the supporting leg oil cylinder, of the second bulge so as to limit the limiting connecting piece to move towards the direction far away from the supporting leg oil cylinder; or
The oil cylinder mounting plate is provided with a first bulge, the limiting connecting piece is provided with a second bulge, and the second bulge is abutted against one side of the supporting leg oil cylinder, which is far away from the first bulge.
6. The support device of any one of claims 1 to 3,
the support device further includes: the copper sleeve is sleeved on the inner peripheral side of the guide hole, is positioned between the stopping part and the limiting part, and is detachably connected with the limiting connecting piece; and/or
The support device further includes: the guide piece is arranged on the supporting leg arm and provided with a guide channel, and the supporting leg oil cylinder can slide in a reciprocating mode along the guide channel.
7. The support device of claim 1,
the supporting leg oil cylinder is provided with a limiting groove, the limiting groove forms the limiting part, and the stopping part abuts against the groove wall of the limiting groove close to the supporting leg arm.
8. The support device of claim 2 or 3, further comprising:
and the pressure measuring device is arranged on the oil cylinder mounting plate or between the stopping part and the limiting part and is used for detecting the acting force between the supporting leg arm and the supporting leg oil cylinder.
9. Support device according to claim 2 or 3,
the limiting connecting piece is a split flange, the split flange comprises a first flange and a second flange which are symmetrically arranged on two sides of the supporting leg oil cylinder, and the first flange and the second flange are both connected with the oil cylinder mounting plate through bolts.
10. A work machine, comprising:
the machine body is provided with a connecting part; and
the support device of any one of claims 1 to 9, connected to the connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921287500.2U CN210485030U (en) | 2019-08-09 | 2019-08-09 | Supporting device and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921287500.2U CN210485030U (en) | 2019-08-09 | 2019-08-09 | Supporting device and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210485030U true CN210485030U (en) | 2020-05-08 |
Family
ID=70535060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921287500.2U Active CN210485030U (en) | 2019-08-09 | 2019-08-09 | Supporting device and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210485030U (en) |
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2019
- 2019-08-09 CN CN201921287500.2U patent/CN210485030U/en active Active
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