CN210887391U - Loader and integrated hinge mechanism thereof - Google Patents
Loader and integrated hinge mechanism thereof Download PDFInfo
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- CN210887391U CN210887391U CN201921641824.1U CN201921641824U CN210887391U CN 210887391 U CN210887391 U CN 210887391U CN 201921641824 U CN201921641824 U CN 201921641824U CN 210887391 U CN210887391 U CN 210887391U
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Abstract
The utility model discloses a loader and integrated form hinge mechanisms thereof belongs to loader technical field. A front frame and rear frame hinge mechanism of a loader is divided into independent modules, local reinforcement design is carried out, and then the independent modules are welded with a frame body together, so that the increment minimization of the frame weight is realized; meanwhile, based on the matched installation of the front hinge mechanism and the rear hinge mechanism which are redesigned, the integration of functions of frame active steering, steering limit, oil cylinder installation support, front and rear frame locking and the like can be realized, the mechanism arrangement is more compact, and a larger maintenance space is reserved for the hinge position; meanwhile, the center plane of the upper hinged plate integrated with the steering hinged point and the center of the front driving axle are positioned on the same horizontal plane, so that the generation of steering deflection torque is avoided, the load bearing working condition of the frame is reduced, and the steering force transmission is more scientific and efficient; in addition, the steering limiting function integrated in the hinge mechanism utilizes the hinge mechanism body to share the steering limiting impact force, so that the steering limiting fatigue strength can be effectively improved.
Description
Technical Field
The utility model relates to a loader technical field specifically is a front and back frame integrated form hinge mechanisms.
Background
The front frame and the rear frame of the existing wheel loader are generally arranged in a way that hinged plates are directly connected with frame plates of a frame body and are reinforced by reinforcing plates, the arrangement mode causes poor internal welding manufacturability and the welding strength cannot be ensured, and the hinged mechanisms frequently bear various bending moments along with frequent steering operation in the use process of the existing wheel loader, so that fatigue cracking is easily caused, a weak point in a frame system is formed, and the use safety of a vehicle is influenced;
meanwhile, the operation working condition of the loader is complex, and a relatively accurate load spectrum analysis model does not exist in the current industry, so that the common method for reinforcing the hinge mechanism is to increase the thicknesses of frame plates and hinged plates of the frame and increase the number of rib plates, so that the strength of the hinge mechanism is increased, but the weight of the frame is increased by the method, and meanwhile, the problem of fatigue cracking of the hinge mechanism cannot be efficiently solved by blindly increasing the thickness of the plate.
In addition, the steering mechanism, the steering limiting mechanism and the frame locking mechanism of the existing wheel loader have poor association degree with the hinge mechanism, each mechanism has a unique structural form, the structural strength of each mechanism cannot be effectively guaranteed, and meanwhile, the structural arrangement is not compact enough, and the space utilization rate is low.
Disclosure of Invention
In view of the problems in the prior art, the utility model provides an integrated hinge mechanism, which is used as an independent module, is designed to be locally strengthened and is welded with a frame body together, thereby realizing the minimization of the vehicle weight increment; meanwhile, the active steering, steering limiting, oil cylinder mounting and supporting, front and rear frame locking and other functions of the frame can be integrated through the hinge mechanism, the mechanism is more compact in arrangement, larger maintenance space is reserved, and the steering force is transferred to the front actuator more scientifically and efficiently.
In order to realize the purpose, the utility model discloses a technical scheme is:
an integrated hinge mechanism comprises a front frame, a rear frame, a front hinge mechanism, a rear hinge mechanism, a hinge pin assembly, a locking rod and a steering cylinder; the front hinge mechanism is welded on the front frame, the rear hinge mechanism is welded on the rear frame, and the front frame and the rear frame are connected together through a hinge pin assembly; the locking rod is connected with the front frame and the rear frame, so that the rotation of the frames is prevented when the vehicle is stopped for maintenance and transportation, and the use safety is ensured; one end of the steering cylinder is connected with the front hinge mechanism, and the other end of the steering cylinder is connected to the rear frame, so that the steering cylinder is a frame steering power source and realizes frame steering.
Further, the front hinge mechanism comprises an upper hinge plate, a lower hinge plate, a transverse plate, a middle rib plate, a bias rib plate and a vertical plate; the hinge hole I of the upper hinge plate and the hinge hole II of the lower hinge plate are coaxially arranged, and the upper hinge plate is integrated with a steering hinge hole which is connected with a steering cylinder to transmit steering force; the transverse plate is positioned between the upper hinge plate and the lower hinge plate; the vertical plates are symmetrically arranged at two ends of the upper hinged plate and the lower hinged plate, and are integrated with oil cylinder mounting holes to reserve interfaces for oil cylinder supporting structures at two sides; put the gusset and place between two parties, connect articulated slab, diaphragm and articulated slab down simultaneously, biasing gusset totally, lie in between articulated slab and the articulated slab down, link to each other with the diaphragm, the symmetry is placed in both sides, put gusset and biasing gusset mainly used and consolidate the hinge hole and turn to hinge hole department cantilever strength, increase of service life.
Furthermore, the rear hinge mechanism comprises a hinge plate, a steering limit buffer block and a steering lug seat I; the steering limiting buffer blocks are integrated on two sides of the hinged plate, and the impact force of steering collision is received in the plate thickness direction of the hinged plate, so that an additional support frame is not needed, the manufacturing is simple, and the bearing capacity is high; the hinge hole III is coaxially arranged with a hinge hole in the front hinge mechanism; the hinged plate comprises two groups of through holes which are symmetrically arranged on two sides of the hinged plate; a locking rod mounting hole I in the steering lug seat I and a through hole in the left side of the hinged plate are coaxially arranged and serve as a rear mounting point of the locking rod.
Further, the oil cylinder lug seat is connected with a vertical plate in the front hinge mechanism and is used for supporting a main force bearing part for the oil cylinder; the outer side plate is attached to the outer side of the oil cylinder lug seat; the lower sealing plate is positioned at the bottom of the whole front frame and is connected with the outer side plate, the oil cylinder lug seat and the front hinge mechanism to form an oil cylinder supporting box structure which is bilaterally symmetrical, wherein oil cylinder mounting holes in the outer side plate and the oil cylinder lug seat are coaxial with oil cylinder mounting holes in the vertical plate, so that the oil cylinder supporting box structure with two symmetrical left and right modes is derived from the oil cylinder mounting holes based on the vertical plate.
Furthermore, a steering limit plate is attached to the back of the oil cylinder lug seat and is connected with the vertical plate and the outer side plate, so that the steering limit plate and a steering limit buffer block integrated in the rear hinge mechanism form a frame steering limit mechanism together, and the frame steering limit mechanism has a steering limit function; and the locking rod lug seat II is welded on the oil cylinder lug seat and is a front mounting point of the locking rod.
Furthermore, the bottom of the outer side plate is provided with a notch which is coplanar with the back of the oil cylinder lug seat, so that the thickness direction of the outer side plate, the oil cylinder lug seat and the vertical plate share the steering impact force together, and the fatigue strength of the steering limiting mechanism is improved.
Further, the hinge pin assembly includes a hinge pin and a lower flange; the lower flange is arranged at the bottom of the hinge pin and used for preventing the hinge pin from axially moving; furthermore, the lower closure plate should be located lower than the bottom surface of the lower flange, so that the lower flange of the hinge pin assembly is protected from impact damage by the frame bottom structure.
Furthermore, the integrated steering hinge point in the front hinge mechanism and the center of the front drive axle are positioned on the same horizontal plane, so that the shortest path for transmitting the steering force to the front drive axle is ensured, the steering deflection moment generated by the traditional steering mechanism is avoided, the frame structure is more effectively protected, and the transmission of the steering force is more scientific and efficient.
The utility model discloses beneficial effect:
the utility model discloses a preceding articulated mechanism of innovative design and the supporting installation of back articulated mechanism, can realize the integration of functions such as frame active steering function, turn to spacing function, hydro-cylinder installation support function and front and back frame locking, make the mechanism arrange compacter to reserve bigger maintenance space for the articulated department; meanwhile, the center plane of the upper hinged plate integrated with the steering hinged point and the center of the front driving axle are positioned on the same horizontal plane, so that the generation of steering deflection torque is avoided, the load bearing working condition of the frame is reduced, and the steering force transmission is more scientific and efficient; in addition, the steering limiting mechanism shares steering limiting impact force by utilizing the hinge mechanism body, and effectively improves the steering limiting fatigue strength.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive laboriousness.
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic structural view of the middle-front hinge assembly of the present invention;
FIG. 3 is a schematic structural view of a rear hinge assembly of the present invention;
fig. 4a is a schematic structural diagram of a middle upright post of the present invention;
FIG. 4b is a schematic structural view of the middle pillar of the present invention;
fig. 5 is a schematic diagram of the center section structure and the steering force transmission according to the embodiment of the present invention.
In the figure:
1. the steering control device comprises a front frame, 11, a lower sealing plate, 12, an outer side plate, 13, a cylinder lug seat, 14, a steering limiting plate, 15 locking rod lug seats II (151 and locking rod mounting holes II);
2. a rear frame;
3. the front hinge mechanism 31, the upper hinge plate 311, the hinge holes I and 312 and the steering hinge hole 32, the lower hinge plate 321, the hinge hole II, 33, the transverse plate 34, the middle rib plate 35, the offset rib plate 36, the vertical plate 361 and the oil cylinder mounting hole;
4. a rear hinge mechanism 41, a hinge plate 411, hinge holes III, 412 and a through hole 42, a steering limit buffer block 43, a locking rod lug seat I431 and a locking rod mounting hole I;
5. a hinge pin assembly, 51, a hinge pin, 52, a lower flange;
6. a locking lever;
7. a steering cylinder;
A. the lowest water flat line of frame, B the utility model discloses the steering mechanism position, C, traditional steering mechanism position.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an integrated hinge mechanism includes a front frame 1, a rear frame 2, a front hinge mechanism 3, a rear hinge mechanism 4, a hinge pin assembly 5, a locking rod 6, a steering cylinder 7; the front hinge mechanism 3 is welded on the front frame 1, the rear hinge mechanism 4 is welded on the rear frame 2, and the front frame 1 and the rear frame 2 are connected together through a hinge pin assembly 5; the locking rod 6 is connected with the front frame 1 and the rear frame 2, so that the frames are prevented from rotating when the vehicle is stopped for maintenance and transportation, and the use safety is ensured; one end of the steering cylinder 7 is connected with the front hinge mechanism 3, and the other end is connected with the rear frame 2 to serve as a frame steering power source, so that frame steering is realized.
As shown in fig. 2, the front hinge mechanism 3 includes an upper hinge plate 31, a lower hinge plate 32, a transverse plate 33, a middle rib plate 34, a biasing rib plate 35 and a vertical plate 36; the upper hinge plate hinge hole I311 and the lower hinge plate hinge hole II 321 are coaxially arranged, and the upper hinge plate 31 is integrated with a steering hinge hole 312 and is connected with the steering cylinder 7 for steering force transmission; the transverse plate 33 is positioned between the upper hinge plate 31 and the lower hinge plate 32; the vertical plates 36 are symmetrically arranged at two ends of the upper hinge plate 31 and the lower hinge plate 32, and the vertical plates 36 are integrated with oil cylinder mounting holes 361 for reserving interfaces for oil cylinder supporting structures at two sides; the middle rib plate 34 is placed in the middle, the upper hinge plate 31, the transverse plate 33 and the lower hinge plate 32 are connected at the same time, the offset rib plates 35 are located between the upper hinge plate 31 and the lower hinge plate 32 and connected with the transverse plate 33 and symmetrically placed on two sides, the middle rib plate 34 and the offset rib plates 35 are mainly used for reinforcing the cantilever strength of the hinge holes I311, II 321 and 312, and the service life is prolonged.
As shown in fig. 3, the rear hinge mechanism 4 includes a hinge plate 41, a steering limit bumper 42, and a steering ear seat 15; the steering limit buffer blocks 42 are integrated on two sides of the hinged plate 41, and the plate thickness direction of the hinged plate 41 is utilized to bear the steering collision impact force, so that an additional support frame is not needed, the manufacturing is simple, and the bearing capacity is high; the hinge hole III 411 is coaxially arranged with a hinge hole I311 in the front hinge mechanism 3; the hinge plate 41 comprises two groups of through holes 412 which are symmetrically arranged at two sides of the hinge plate 41; and a locking rod mounting hole II 151 in the locking rod lug seat II 15 is coaxially arranged with the through hole 412 on the left side of the hinge plate 41 and is used as a rear mounting point of the locking rod 6.
As shown in fig. 4a and 4b, the cylinder ear seat 13 is connected to the vertical plate 36 in the front hinge mechanism 3 and is a main bearing part for supporting the cylinder; the outer side plate 12 is attached to the outer side of the oil cylinder lug seat 13; the lower sealing plate 11 is located at the bottom of the whole front frame 1, connected with the outer side plate 12, the cylinder lug seat 13 and the front hinge mechanism 3 to form a cylinder supporting box structure which is symmetrical left and right, wherein the cylinder mounting holes 361 in the outer side plate 12 and the cylinder lug seat 13 are coaxial with the cylinder mounting holes 361 on the vertical plate 36, so that two symmetrical left and right cylinder supporting box structures are derived from the cylinder mounting holes 361 on the basis of the vertical plate 36.
Furthermore, the steering limit plate 14 is attached to the back of the oil cylinder lug seat 13 and is connected with the vertical plate 36 and the outer side plate 12, so that the steering limit plate and the steering limit buffer block 42 integrated in the rear hinge mechanism 4 form a frame steering limit mechanism together, and the frame steering limit mechanism has a steering limit function; and the locking rod lug seat II 15 is welded on the oil cylinder lug seat 13, and is provided with a locking rod mounting hole II which is a front mounting point of the locking rod 6.
Furthermore, the bottom of the outer side plate 12 is provided with a notch which is coplanar with the back of the oil cylinder lug seat 13, so that the plate thickness direction of the outer side plate 12, the oil cylinder lug seat 13 and the vertical plate 36 share the steering impact force together, and the fatigue strength of the steering limiting mechanism is improved.
As shown in fig. 5, the hinge pin assembly 5 further includes a hinge pin 51 and a lower flange 52; a lower flange 52 is mounted at the bottom of the hinge pin 51 for preventing the hinge pin 51 from axially moving; in addition, the lower closure plate 11 should be positioned lower than the bottom surface of the lower flange 52 in order to protect the lower flange 52 of the hinge pin assembly 5 from impact damage by virtue of the frame bottom structure.
It is further that, the integrated steering hinge point in preceding articulated mechanism 3 is located same horizontal plane with front drive axle center to guarantee that the power of turning to transmit to front drive axle path is the shortest, avoid the steering partial moment that traditional steering mechanism produced, more effective protection frame structure makes the power of turning to transmit more scientific and high-efficient.
To sum up, the utility model divides the front and rear frame hinge mechanisms of the loader into independent modules, carries out local reinforcement design, and then is welded with the frame body together, thereby realizing the increment minimization of the frame weight; meanwhile, based on the matched installation of the front hinge mechanism and the rear hinge mechanism which are redesigned, the integration of functions of frame active steering, steering limit, oil cylinder installation support, front and rear frame locking and the like can be realized, the mechanism arrangement is more compact, and a larger maintenance space is reserved for the hinge position; meanwhile, the center plane of the upper hinged plate integrated with the steering hinged point and the center of the front driving axle are positioned on the same horizontal plane, so that the generation of steering deflection torque is avoided, the load bearing working condition of the frame is reduced, and the steering force transmission is more scientific and efficient; in addition, the steering limiting function integrated in the hinge mechanism utilizes the hinge mechanism body to share the steering limiting impact force, so that the steering limiting fatigue strength can be effectively improved.
The utility model also provides a loader, which comprises a front frame 1 and a rear frame 2; the integrated hinge mechanism is arranged between the front frame 1 and the rear frame 2.
While the present application has been described with reference to exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present application may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. An integrated hinge mechanism, comprising: the front hinge mechanism is welded on the front frame;
the rear hinge mechanism is welded on the rear frame;
a hinge pin assembly for inserting into the front hinge mechanism and the rear hinge mechanism to connect the front and rear frames together;
one end of the steering cylinder is connected with the front hinge mechanism, and the other end of the steering cylinder is connected to the rear frame and is a frame steering power source to realize frame steering;
the locking rod is used for connecting the front frame and the rear frame and preventing the rotation of the frames when the vehicle is stopped for maintenance and transportation.
2. The integrated hinge mechanism of claim 1, wherein:
the front hinge mechanism comprises an upper hinge plate, a lower hinge plate, a transverse plate and a vertical plate;
the hinge hole I positioned in the middle of the front end of the upper hinge plate and the hinge hole II positioned in the middle of the front end of the lower hinge plate are coaxially arranged;
steering hinge holes are integrated at the front ends of the two sides of the upper hinge plate and connected with a steering cylinder;
the transverse plate is connected between the upper hinge plate and the lower hinge plate;
the vertical plates are symmetrically arranged at two ends of the upper hinged plate and the lower hinged plate, and are integrated with oil cylinder mounting holes;
the front hinge mechanism is welded with the main structure of the front frame through the vertical plate.
3. The integrated hinge mechanism of claim 1, wherein:
the rear hinge mechanism comprises a hinge plate;
a hinge hole III positioned in the middle of the front end of the hinge plate is coaxially arranged with a hinge hole in the front hinge mechanism;
the hinged plate comprises two groups of through holes which are symmetrically positioned at two sides of the hinged plate;
the rear hinge mechanism is welded with the rear frame main body mechanism through a hinge plate.
4. The integrated hinge mechanism of claim 3, wherein:
the rear hinge mechanism also comprises a steering limit buffer block and a locking rod lug seat I;
the steering limiting buffer blocks are integrated on two sides of the hinged plate, and the steering limiting buffer blocks and the limiting plates positioned on two sides of the front hinged mechanism form a frame steering limiting mechanism together, so that the steering limiting function is realized;
locking lever mounting hole I and articulated slab left side through-hole are coaxial to be placed in the locking lever ear seat I, as the mounting point behind the locking lever.
5. The integrated hinge mechanism of claim 1, wherein:
symmetrical oil cylinder supporting box structures are arranged on two sides of the front hinge mechanism and are used as oil cylinder supporting force bearing parts;
the oil cylinder supporting force-bearing part comprises an oil cylinder lug seat, an outer side plate and a lower sealing plate;
the oil cylinder lug seat is connected with a vertical plate in the front hinge mechanism;
the outer side plate is attached to the outer side of the oil cylinder lug seat;
the lower sealing plate is positioned at the bottom of the whole front frame and is connected with the outer side plate, the oil cylinder lug seat and the front hinge mechanism;
the oil cylinder mounting holes in the outer side plate and the oil cylinder lug are coaxial with the oil cylinder mounting holes in the vertical plate, and the locking rod lug II is welded to the back of the oil cylinder lug and serves as a front mounting point of a locking rod.
6. The integrated hinge mechanism of claim 5, wherein: the bottom of the outer side plate is provided with a notch which is coplanar with the back of the oil cylinder lug seat, so that the thickness direction of the outer side plate, the oil cylinder lug seat and the vertical plate share the steering impact force together.
7. The integrated hinge mechanism of claim 1, wherein:
the hinge pin assembly includes a hinge pin and a lower flange; the lower flange is arranged at the bottom of the hinge pin and used for preventing the hinge pin from axially moving.
8. The integrated hinge mechanism of claim 7, wherein:
the lower closure plate is located at a lower most position than the bottom surface of the lower flange, thereby protecting the lower flange of the hinge pin assembly from impact damage by virtue of the frame bottom structure.
9. The integrated hinge mechanism of claim 1, wherein:
and a steering hinge point integrated in the front hinge mechanism and the center of the front drive axle are positioned on the same horizontal plane.
10. The loader comprises a front frame and a rear frame; the method is characterized in that:
an integrated hinge mechanism as claimed in any one of claims 1 to 9 between the front and rear frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641824.1U CN210887391U (en) | 2019-09-29 | 2019-09-29 | Loader and integrated hinge mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641824.1U CN210887391U (en) | 2019-09-29 | 2019-09-29 | Loader and integrated hinge mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210887391U true CN210887391U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921641824.1U Active CN210887391U (en) | 2019-09-29 | 2019-09-29 | Loader and integrated hinge mechanism thereof |
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| CN (1) | CN210887391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565728A (en) * | 2019-09-29 | 2019-12-13 | 徐工集团工程机械股份有限公司科技分公司 | loader and integrated form hinge mechanisms thereof |
| CN110565728B (en) * | 2019-09-29 | 2024-04-30 | 徐工集团工程机械股份有限公司科技分公司 | Loader and integrated hinge mechanism thereof |
-
2019
- 2019-09-29 CN CN201921641824.1U patent/CN210887391U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565728A (en) * | 2019-09-29 | 2019-12-13 | 徐工集团工程机械股份有限公司科技分公司 | loader and integrated form hinge mechanisms thereof |
| CN110565728B (en) * | 2019-09-29 | 2024-04-30 | 徐工集团工程机械股份有限公司科技分公司 | Loader and integrated hinge mechanism thereof |
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