CN220865393U - Support leg device of backhoe loader - Google Patents
Support leg device of backhoe loader Download PDFInfo
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- CN220865393U CN220865393U CN202322674384.2U CN202322674384U CN220865393U CN 220865393 U CN220865393 U CN 220865393U CN 202322674384 U CN202322674384 U CN 202322674384U CN 220865393 U CN220865393 U CN 220865393U
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- frame
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- support leg
- support
- oil cylinder
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- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009436 residential construction Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of processing of accessories of backhoe loaders, and discloses a backhoe loader landing leg device, which comprises a frame and a hinged frame arranged at the front end of the frame, wherein the side walls of the frame on the left side and the right side of the hinged frame are respectively provided with a landing leg connecting frame, the lower part of each landing leg connecting frame is hinged with a landing leg welding joint, the middle part of the landing leg connecting frame is hinged with a control oil cylinder, the central axis of the control oil cylinder and the central axis of the landing leg welding joint are positioned in the same vertical plane, and the driving end of the control oil cylinder is hinged on the outer end body of the landing leg welding joint. The utility model has simple and firm structure and stronger stability and deformation resistance, can effectively improve the deformation resistance of the frame body of the front end mounting hinge plate by respectively mounting the support leg connecting frames on the two sides of the front part of the frame, and can effectively adapt to different roads for supporting the vehicle body by matching the support leg welding joints respectively hinged on the left support leg connecting frame and the right support leg connecting frame with the control oil cylinder, thereby improving the stability of the whole vehicle.
Description
Technical Field
The utility model relates to the technical field of machining of parts of backhoe loaders, in particular to a backhoe loader landing leg device.
Background
The backhoe loader is commonly called as a double-head busy machine, and is a multifunctional engineering machine integrating backhoe loading. During construction, an operator can change the working end by only rotating the seat. The method is mainly used for highway construction and maintenance, cable laying, electric power and airport engineering, municipal construction, farmland water conservancy construction, rural residential construction, mountain-opening stone removal and various building construction projects engaged in by various small building teams in cities and rural areas. The whole machine has reasonable and compact layout, attractive appearance, comfortable and convenient operation, small turning radius, good working performance and high cost performance, and is widely applied at home and abroad.
At present, most of the backhoe loaders adopt side-shifting backhoe loaders, the supporting leg structures of the backhoe loaders are straight-leg supporting leg designs, the supporting width is similar to the width of a vehicle body, the supporting stability is poor, when the backhoe is positioned on uneven ground, the center of gravity of the backhoe is easy to be unstable, the backhoe is inclined, and meanwhile, the operation efficiency is reduced.
Disclosure of utility model
The utility model aims to provide the support leg device of the excavating loader, which has stable structure and strong operability and can adapt to different pavements.
The utility model discloses a supporting leg device of an excavating loader, which comprises a frame and a hinged frame arranged at the front end of the frame, and is structurally characterized in that supporting leg connecting frames are respectively arranged on the side walls of the frame on the left side and the right side of the hinged frame, supporting leg welds are hinged at the lower part of each supporting leg connecting frame, a control oil cylinder is hinged at the middle part of the supporting leg connecting frame, the central axis of the control oil cylinder and the central axis of the supporting leg welds are positioned in the same vertical plane, and the driving end of the control oil cylinder is hinged on the outer end body of the supporting leg welds.
After adopting above-mentioned structure, through installing the landing leg link respectively in the anterior both sides of frame, can effectively improve the deformation resistance of frame front end installation articulated frame plate body, and the landing leg seam that articulates respectively on the two landing leg link about moreover cooperatees with control cylinder, can adapt to different roads effectively and support the operation to the automobile body to improve the stability of whole car, and landing leg seam and control cylinder and landing leg link looks hinge structure, also more convenient and reduce area to the receive and release of landing leg.
Preferably, the landing leg link includes two locating plates that follow frame lateral wall length direction interval and symmetry set up, the locating plate is along vertical direction rigid coupling on the frame lateral wall and locating plate body and the lateral wall mutually perpendicular setting of frame, is provided with the first round pin shaft hole that corresponds each other on the lower part plate body of two locating plates, be provided with the second round pin shaft hole that corresponds each other on the locating plate of first round pin shaft hole top, the second round pin shaft hole sets up in the middle part position department that is close to the locating plate. Through the upper and lower interval setting in first round pin shaft hole and the second round pin shaft hole, can effectually make control hydro-cylinder and landing leg seam cooperate, make things convenient for the receive and release of both.
Preferably, the leg weld comprises a support beam with one end hinged to the lower portion of the leg connecting frame and the support beam swings up and down along the hinge portion of the leg connecting frame, and the other end of the support beam is hinged to the support plate. Through the leg welding structure of the up-and-down swing, the whole leg device is small in occupied space and convenient to retract and release.
Preferably, one end of the control oil cylinder is hinged to the middle of the support leg connecting frame, the piston driving end of the control oil cylinder is hinged to the upper side wall of the support leg welded joint and is close to the outer end edge, and the swinging direction of the control oil cylinder along the hinge part on the support leg connecting frame is consistent with that of the support beam along the hinge part on the support leg connecting frame.
Preferably, a limiting mounting cylinder matched with the second pin shaft hole is arranged on the inner end face of the positioning plate at the second pin shaft hole, and the central axis body of the limiting mounting cylinder and the central axis of the second pin shaft hole are positioned on the same horizontal line. Through the spacing installation section of thick bamboo of in locating plate interior terminal surface installation, can effectively improve the rigidity of second round pin axle hole department plate body, can effectually prevent that second round pin axle hole department from articulated control hydro-cylinder during operation from receiving external force to produce the deformation.
Preferably, the backup pad is rectangular plate body and up end middle part position department of backup pad is provided with the articulated base that articulates mutually with the supporting beam, is provided with the strengthening rib that is connected with the backup pad rear end face on the lateral wall of articulated base, the lower terminal surface of backup pad is connected with the reinforcement strip along the side. Through set up the strengthening rib at the up end of backup pad and connect the reinforcement strip at the lower terminal surface of backup pad, all improve the deformation resistance of backup pad effectively.
In summary, the beneficial effects of the utility model are as follows: the utility model has simple and firm structure and stronger stability and deformation resistance, can effectively improve the deformation resistance of the frame body of the front end mounting hinge plate by respectively mounting the support leg connecting frames on the two sides of the front part of the frame, and the support leg welding and the control oil cylinder respectively hinged on the left support leg connecting frame and the right support leg connecting frame are matched with each other, so that the utility model can effectively adapt to different roads to support the vehicle body, thereby improving the stability of the whole vehicle, and the support leg welding and the control oil cylinder and the support leg connecting frame are hinged, thereby being more convenient for folding and unfolding the support legs and reducing the occupied area.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
fig. 2 is a schematic structural diagram of the welding position relationship between the control cylinder and the support leg.
In the figure: 1. a frame; 2. a hinge bracket; 3. a support leg connecting frame; 4. welding the supporting legs; 5. controlling an oil cylinder; 6. a positioning plate; 7. a first pin hole; 8. a second pin hole; 9. a support beam; 10. a support plate; 11. a limit mounting cylinder; 12. a hinge base; 13. reinforcing ribs; 14. reinforcing strips.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The following is a description of preferred embodiments of the utility model, taken in conjunction with the accompanying drawings.
As shown in fig. 1 and 2, the utility model comprises a frame 1 and an articulated frame 2 arranged at the front end of the frame 1, wherein the articulated frame 2 is generally embedded at the front end of the frame 1, two side plates of a frame 1 body are respectively fixedly connected to two side edges of the articulated frame 2, supporting leg connecting frames 3 are respectively arranged on the side walls of the frame 1 at the left side and the right side of the articulated frame 2, and in design, the supporting leg connecting frames 3 comprise two positioning plates 6 which are arranged at intervals along the length direction of the side walls of the frame 1 and are symmetrically, wherein each positioning plate 6 is fixedly connected to the side walls of the frame 1 along the vertical direction, the body of the positioning plate 6 is mutually perpendicular to the side walls of the frame 1, first pin holes 7 which are mutually corresponding are arranged on the lower plate bodies of the two positioning plates 6, and two second pin holes 8 which are mutually corresponding are arranged on the positioning plate 6 above the first pin holes 7, wherein the second pin holes 8 are arranged at the middle position close to the positioning plates 6.
As shown in fig. 1 and 2, in a preferred embodiment of the present utility model, a leg weld 4 is hinged at a lower position of each leg link 3, a control cylinder 5 is hinged at a position close to a middle position of the leg link 3, a central axis of the control cylinder 5 is located in the same vertical plane with a central axis of the leg weld 4, and a driving end of the control cylinder 5 is hinged on an outer end body of the leg weld 4. In the design process, the support leg welding 4 is hinged on a first pin shaft hole 7 between two positioning plates 6 of the support leg connecting frame 3, and the control oil cylinder 5 is hinged at a second pin shaft hole 8 between two positioning plates 6 of the support leg connecting frame 3; the leg weld 4 includes a support beam 9 with one end hinged to the lower portion of the leg connecting frame 3, and the support beam 9 swings up and down along a first pin hole 7 on the leg connecting frame 3, while one end of the control cylinder 5 is hinged to a second pin hole 8 of the leg connecting frame 3 through a pin, a piston driving end of the control cylinder 5 is hinged to an upper side wall of the support beam 9 and is close to an outer end edge, and a swinging direction of the control cylinder 5 along an upper hinge portion of the leg connecting frame 3 is consistent with a swinging direction of the support beam 9 along an upper hinge portion of the leg connecting frame 3, so that the piston shrinkage of the control cylinder 5 is controlled, and the support beam 9 swings up and down at the lower portion of the leg connecting frame 3. Of course, the piston end of the control cylinder 5 is generally hinged to the hinge seat and the pin shaft fixed on the support beam 9, and the structure and the connection manner of the hinge seat and the pin shaft are well known structures, which are not described herein. During manufacturing, a limiting mounting cylinder 11 matched with the second pin shaft hole 8 is arranged on the inner end face of the positioning plate 6 at the second pin shaft hole 8, and the central axis body of the limiting mounting cylinder 11 and the central axis of the second pin shaft hole 8 are positioned on the same horizontal line. Through the spacing installation section of thick bamboo 11 of installation at locating plate 6 interior terminal surface, can effectively improve the rigidity of second round pin axle hole 8 department plate body, can effectually prevent that second round pin axle hole 8 department from articulated control hydro-cylinder 5 during operation from receiving external force to produce the deformation.
In another preferred embodiment of the present utility model, as shown in fig. 1 and 2, a support plate 10 is hinged at the outer end of a support beam 9, the support plate 10 is a rectangular plate body, a hinge base 12 hinged with the support beam 9 is provided at the middle position of the upper end surface of the support plate 10, a reinforcing rib 13 connected with the rear end surface of the support plate 10 is provided on the side wall of the hinge base 12, a reinforcing bar 14 is fixedly connected with the lower end surface of the support plate 10 along the side edge, and the deformation resistance of the support plate 10 is effectively improved by providing the reinforcing rib 13 on the upper end surface of the support plate 10 and the reinforcing bar 14 fixedly connected with the lower end surface of the support plate 10. When designing, the hinge base 12 includes two baffles that the interval set up and the interval between the two boards suits with the width of supporting beam 9, still is provided with the round pin axle that passes two baffles and supporting beam 9 body on the hinge base 12, and the hinge portion of usually supporting beam 10 and supporting beam 9 is located the downside of supporting beam 9 and control cylinder 5 hinge portion, and during the preparation, strengthening rib 13 becomes arc and both sides limit is connected on hinge base 12 and supporting plate 10, can effectively strengthen the toughness of hinge base 12 and prevent the fracture and the deformation of hinge base 12 like this.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (6)
1. The utility model provides a backhoe loader landing leg device, includes frame (1) and frame (1) front end sets up articulated frame (2), its characterized in that: the support leg welding device is characterized in that support leg connecting frames (3) are respectively arranged on the side walls of the frames (1) on the left side and the right side of the hinged frame (2), support leg welds (4) are hinged to the lower portion of each support leg connecting frame (3), a control oil cylinder (5) is hinged to the middle portion of each support leg connecting frame (3), the central axis of each control oil cylinder (5) and the central axis of each support leg weld (4) are located in the same vertical plane, and the driving end of each control oil cylinder (5) is hinged to the outer end body of each support leg weld (4).
2. The backhoe loader leg assembly of claim 1, wherein: the landing leg link (3) include two locating plates (6) that follow frame (1) lateral wall length direction interval and symmetry set up, locating plate (6) are along vertical direction rigid coupling on frame (1) lateral wall and locating plate (6) body and the lateral wall mutually perpendicular setting of frame (1), are provided with first round pin shaft hole (7) that correspond each other on the lower plate body of two locating plates (6), be provided with second round pin shaft hole (8) that correspond each other on locating plate (6) of first round pin shaft hole (7) top, second round pin shaft hole (8) set up in the middle part position department that is close to locating plate (6).
3. The backhoe loader leg assembly of claim 1, wherein: the landing leg seam (4) comprises a supporting beam (9) with one end hinged to the lower portion of the landing leg connecting frame (3), the supporting beam (9) swings up and down along the hinged portion on the landing leg connecting frame (3), and the other end of the supporting beam (9) is hinged to a supporting plate (10).
4. The backhoe loader leg assembly of claim 3, wherein: one end of the control oil cylinder (5) is hinged to the middle of the support leg connecting frame (3), the piston driving end of the control oil cylinder (5) is hinged to the upper side wall of the support leg welding (4) and is close to the position of the outer end edge, and the swinging direction of the control oil cylinder (5) along the upper hinge part of the support leg connecting frame (3) is consistent with the swinging direction of the support beam (9) along the upper hinge part of the support leg connecting frame (3).
5. The backhoe loader leg assembly of claim 2, wherein: the locating plate (6) inner end face at the second pin shaft hole (8) is provided with a limiting installation cylinder (11) matched with the second pin shaft hole (8), and the central axis body of the limiting installation cylinder (11) and the central axis of the second pin shaft hole (8) are positioned on the same horizontal line.
6. The backhoe loader leg assembly of claim 3, wherein: the support plate (10) is a rectangular plate body, a hinge base (12) hinged with the support beam (9) is arranged in the middle of the upper end face of the support plate (10), reinforcing ribs (13) connected with the rear end face of the support plate (10) are arranged on the side wall of the hinge base (12), and reinforcing strips (14) are connected with the lower end face of the support plate (10) along the side edges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322674384.2U CN220865393U (en) | 2023-10-07 | 2023-10-07 | Support leg device of backhoe loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322674384.2U CN220865393U (en) | 2023-10-07 | 2023-10-07 | Support leg device of backhoe loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220865393U true CN220865393U (en) | 2024-04-30 |
Family
ID=90822463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322674384.2U Active CN220865393U (en) | 2023-10-07 | 2023-10-07 | Support leg device of backhoe loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220865393U (en) |
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2023
- 2023-10-07 CN CN202322674384.2U patent/CN220865393U/en active Active
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