CN211816565U - Double-bearing connecting device for mining excavator chassis and mining excavator - Google Patents
Double-bearing connecting device for mining excavator chassis and mining excavator Download PDFInfo
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- CN211816565U CN211816565U CN202020205068.4U CN202020205068U CN211816565U CN 211816565 U CN211816565 U CN 211816565U CN 202020205068 U CN202020205068 U CN 202020205068U CN 211816565 U CN211816565 U CN 211816565U
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Abstract
The utility model discloses a double-bearing connecting device for a chassis of a mining excavator and the mining excavator, wherein the double-bearing connecting device comprises a mounting plate, a hook and a connecting plate; the mounting plate is in a step shape, and the upper part of the mounting plate is wide and the lower part of the mounting plate is narrow; the rear end face, opposite to the step face, of the mounting plate is provided with three connecting rib plates for connecting three transverse rib plates of the longitudinal beam, and the three connecting rib plates and the top end of the mounting plate are a plane and are used for being connected with the upper top plate of the longitudinal beam; the hook is arranged at the bottom of the step surface of the mounting plate, so that a groove structure is formed on the mounting surface of the mounting plate, the bottom surface and the side surface of the hook and used for realizing the matching with the frame connecting plate; the two sides of the mounting plate are provided with symmetrical connecting plates, one connecting plate is used for being connected with the longitudinal beam transverse supporting plate, and the other connecting plate is used for being connected with the longitudinal beam side plate. The utility model discloses can be effectual be connected the accuracy of middle carriage and both sides longeron, the structure bearing capacity is high, convenient assembly and dismantlement.
Description
Technical Field
The utility model relates to a connecting device specifically is a two connecting device that bear that mining excavator chassis was used belongs to the engineering machine tool field.
Background
The chassis structure of the large-scale engineering machinery, especially the large-scale mining excavator, has a large structural size, the whole weight is heavy, and the chassis needs to be disassembled and assembled in the actual hoisting and transporting processes, so that the chassis structure is generally disassembled into three parts, namely longitudinal beam structures on two sides of a middle frame structure region, aiming at the structural form of the chassis for the large-scale mining excavator, and the disassembly and the assembly are convenient. The longitudinal beam structures on the two sides are connected with the frame structure in the middle through bolt washers.
The existing chassis of a large mining excavator is divided into two assembling connection modes of a lap joint type and a side connection type, the lap joint type connection mode is easy to pull up the overall height of the chassis, the height of a middle frame is properly compressed to ensure the height limitation of the chassis, and the overall strength and rigidity are weakened; the lateral connection is that a lateral mounting plate is directly arranged on the longitudinal beam and is provided with a threaded mounting hole, and the lateral connection between the middle frame and the longitudinal beam is realized by using a bolt.
Disclosure of Invention
To the above situation, the utility model provides a mining excavator chassis is with two connecting device that bear, can effectually be connected the accuracy of centre frame and both sides longeron, the structure bearing capacity is high, convenient assembly and dismantlement.
In order to achieve the above purpose, the utility model discloses realize according to following technical scheme:
a double-bearing connecting device for a chassis of a mining excavator comprises a mounting plate, a hook and a connecting plate; the mounting plate is in a step shape, and the upper part of the mounting plate is wide and the lower part of the mounting plate is narrow; the rear end face, opposite to the step face, of the mounting plate is provided with three connecting rib plates for connecting three transverse rib plates of the longitudinal beam, and the three connecting rib plates and the top end of the mounting plate are a plane and are used for being connected with the upper top plate of the longitudinal beam; the hook is arranged at the bottom of the step surface of the mounting plate, so that a groove structure is formed on the mounting surface of the mounting plate, the bottom surface and the side surface of the hook and used for realizing the matching with the frame connecting plate; the two sides of the mounting plate are provided with symmetrical connecting plates, one connecting plate is used for being connected with the longitudinal beam transverse supporting plate, and the other connecting plate is used for being connected with the longitudinal beam side plate.
Furthermore, the whole double-bearing connecting device takes the transverse center line as a reference and is in a left-right completely symmetrical structure.
Furthermore, the mounting plate, the hook, the connecting plate and the connecting rib plate are integrally cast.
Further, the step surface of the mounting plate is subjected to fillet transition treatment at the step; the connection part of the mounting plate and the connecting plate is subjected to fillet transition treatment; c1 chamfers are arranged on two sides of the groove of the hook.
Furthermore, two through slotted holes are formed in the middle upper portion of the mounting plate.
Furthermore, two sunken slotted holes are formed in the top end of the rear end face of the mounting plate, and three connecting rib plates are naturally formed on the rear end face of the mounting plate through the two through slotted holes and the two sunken slotted holes.
Furthermore, a plurality of threaded holes are formed in the middle lower portion of the stepped surface of the mounting plate and are connected with the frame connecting plate through bolt assemblies.
Furthermore, the end face of the lower part of the frame connecting plate, which is opposite to the step face of the mounting plate, is arranged in a step mode and is used for being matched and connected with the vertical groove of the hook.
Further, the distance between the top surface of the hook boss in the hook and the bottom surface of the hook is not less than 50 mm.
The mining excavator comprises a longitudinal beam, a frame and double bearing connecting devices, wherein the double bearing connecting devices are installed on a lateral plate of the longitudinal beam, a frame connecting plate is installed on the frame, and the bottom of the frame connecting plate is matched with the double bearing connecting devices to realize the connection of the longitudinal beam and the frame.
The utility model discloses beneficial effect:
the utility model discloses a two connection device that bear accomplish for the bulk casting, simple structure, structural strength is high, and is functional strong, can be fine realization chassis frame and longeron can let longeron overall structure transition more perfect when being connected well, utilize the lower part couple to connect and bear jointly with bolted connection two kinds of modes, can effectively protect the bolt, prevent to surrender inefficacy.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation of the invention. The present invention will be described in detail with reference to the accompanying drawings and examples.
FIG. 1 is a front isometric view of a dual load bearing connection;
FIG. 2 is a rear isometric view of the dual load bearing connection;
FIG. 3 is a schematic view of the welding of the dual load bearing attachment to the stringer;
FIG. 4 is an assembly view of the frame tie plate and the dual load bearing coupling device;
fig. 5 is a diagram of an example application of a dual bearer connection apparatus.
Description of the reference numerals:
101. the connecting rib plates I and 102, the connecting rib plates II and 103, the connecting rib plates III and 201, the connecting plates I and 202, the connecting plates II and 3, the threaded holes 4, the hook bosses 5, the hooks 601, the sinking groove holes I and 602, the sinking groove holes II and 7, the mounting plates 701, the through groove holes I and 702 and the through groove holes II; I. a stringer; i0, a double-bearing connecting device, I1, a longitudinal beam cross support plate, I2, a longitudinal beam lower bottom plate, I3, a longitudinal beam side plate, I4, a transverse rib plate I, I5, a transverse rib plate II, I6, a transverse rib plate III, I7, a longitudinal beam upper connecting device, I8, a longitudinal beam upper top plate, I9, a frame connecting plate, I10, an upper connecting bolt washer, I11 and a lower connecting bolt washer.
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 elements or elements 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of 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, 2 and 3, the double-bearing connecting device for the chassis of the mining excavator comprises a mounting plate 7, a hook 5, a connecting plate I201 and a connecting plate II 202; the mounting plate 7 is in a step shape, and the upper part is wide and the lower part is narrow; three connecting rib plates (a connecting rib plate I101, a connecting rib plate II 102 and a connecting rib plate III 103) are arranged on the back end face opposite to the step face of the mounting plate 7 and are used for connecting three transverse rib plates (a transverse rib plate I4, a transverse rib plate II I5 and a transverse rib plate III I6) of the longitudinal beam I, and the three connecting rib plates and the top end of the mounting plate 7 form a plane together and are used for being connected with an upper top plate I8 of the longitudinal beam; the hook 5 is arranged at the bottom of the step surface of the mounting plate 7, so that a groove structure is formed on the mounting surface of the mounting plate 7 and the bottom surface and the side surface of the hook 5 and is used for realizing the matching with a frame connecting plate I9; and two symmetrical connecting plates (connecting plate I201 and connecting plate II 202) are arranged on two sides of the mounting plate 7, wherein one connecting plate is used for being connected with a longitudinal beam transverse supporting plate I1, and the other connecting plate is used for being connected with a longitudinal beam side plate I3.
Further scheme: and symmetrical notches in two sides are formed in the connecting plate I201 and the connecting plate II 202 and are used for being connected with a longitudinal beam transverse supporting plate I1 and a longitudinal beam side plate I3.
Further scheme: the whole double-bearing connecting device takes the transverse central line as a reference and is in a left-right completely symmetrical structure. The mounting plate 7, the hook 5, the connecting plate I201, the connecting plate II 202, the connecting rib plate I101, the connecting rib plate II 102 and the connecting rib plate III 103 are integrally cast.
Continuing to refer to fig. 1, 2 and 3, the middle upper part of the mounting plate is provided with two through slots (a through slot I701 and a through slot II 702), the through slot I701 and the through slot II 702 reduce the weight of the double-bearing connecting device I0 on one hand, and facilitate casting and forming on the other hand, the top end of the rear end face of the mounting plate 7 is provided with a sunk slot I601 and a sunk slot II 602 on the other hand, and through the through slot I701, the through slot II 702, the sunk slot I601 and the sunk slot II 602, the rear end of the double-bearing connecting device I0 is naturally formed into a connecting rib plate I101, a connecting rib plate II 102 and a connecting rib plate III 103 which are respectively connected with a transverse rib plate I4, a transverse rib plate II 5 and a transverse rib plate III 6.
It should be noted that the through slot i 701 and the through slot ii 702 are both fillet processed.
Further scheme: the step surface of the mounting plate 7 is subjected to fillet transition treatment at the step; the connection parts of the mounting plate 7, the connecting plate I201 and the connecting plate II 202 are subjected to fillet transition treatment; c1 chamfers are arranged on two sides of the groove of the hook 5.
The middle lower part of the step surface of the mounting plate is provided with a plurality of threaded holes 3 which are connected with a frame connecting plate I9 through a lower connecting bolt gasket I11.
Further scheme: the installation surface of the installation plate 7 with the step-shaped middle part and the lower bottom surface and the side surface of the hook 5 are all finished by machining, and the width of the groove of the hook 5 is controlled to have positive deviation between 50 threads and 60 threads. The distance between the top surface of the hook boss 4 in the hook and the bottom surface of the hook 5 is not less than 50 mm.
It should be noted that the above is a detailed description of the specific implementation of the present invention, but the present invention is not limited to the above-described specific embodiments, which are only examples, and any equivalent modifications and substitutions for the dual load bearing connection device are within the scope of the present invention for those skilled in the art.
As shown in fig. 4 and 5, the utility model also provides a mining excavator, including longeron I, frame, two bearing connecting device I9 and longeron upper portion connecting device I7, longeron upper portion connecting device I7 is installed in longeron roof I8 department, two bearing connecting device I0 are installed on longeron curb plate I3, and couple 5 is close to longeron bottom plate I2, install frame connecting plate I9 on the frame; after the bottom surface of the frame connecting plate I9 is inserted into the hook 5, the lower part of the frame connecting plate I9 is connected with the double-load-bearing connecting device I0 through the lower connecting bolt washer I11, and then the upper part of the frame connecting plate I9 is connected with the longitudinal beam upper connecting device I7 through the upper connecting bolt washer I10, so that the connection between the longitudinal beam I and the frame is completed.
To sum up, the utility model discloses a two connection device that bear accomplish for the bulk casting, simple structure, structural strength is high, and is functional strong, can let longeron overall structure transition more perfect when the fine realization chassis frame that can be is connected with the good of longeron, utilizes the lower part couple to connect and bears jointly with bolted connection two kinds of modes, can effectively protect the bolt, prevents to surrender inefficacy.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. The utility model provides a mining excavator chassis is with two connecting device that bear, its characterized in that: comprises a mounting plate, a hook and a connecting plate;
the mounting plate is in a step shape, and the upper part of the mounting plate is wide and the lower part of the mounting plate is narrow; the rear end face, opposite to the step face, of the mounting plate is provided with three connecting rib plates for connecting three transverse rib plates of the longitudinal beam, and the three connecting rib plates and the top end of the mounting plate are a plane and are used for being connected with the upper top plate of the longitudinal beam;
the hook is arranged at the bottom of the step surface of the mounting plate, so that a groove structure is formed on the mounting surface of the mounting plate, the bottom surface and the side surface of the hook and used for realizing the matching with the frame connecting plate;
the two sides of the mounting plate are provided with symmetrical connecting plates, one connecting plate is used for being connected with the longitudinal beam transverse supporting plate, and the other connecting plate is used for being connected with the longitudinal beam side plate.
2. The dual load bearing connection for a mining excavator chassis of claim 1, wherein: the whole double-bearing connecting device takes the transverse central line as a reference and is in a left-right completely symmetrical structure.
3. The dual load bearing connection for a mining excavator chassis of claim 1, wherein: the mounting plate, the hook, the connecting plate and the connecting rib plate are integrally cast.
4. The dual load bearing connection for a mining excavator chassis of claim 1, wherein: the step surface of the mounting plate is subjected to fillet transition treatment at the step; the connection part of the mounting plate and the connecting plate is subjected to fillet transition treatment; c1 chamfers are arranged on two sides of the groove of the hook.
5. The dual load bearing connection for a mining excavator chassis of claim 1, wherein: and the middle upper part of the mounting plate is provided with two through slotted holes.
6. The dual load bearing connection for a mining excavator chassis of claim 5, wherein: two sunk slotted holes are formed in the top end of the rear end face of the mounting plate, and three connecting rib plates are naturally formed on the rear end face of the mounting plate through the two through slotted holes and the two sunk slotted holes.
7. The dual load bearing connection for a mining excavator chassis of claim 1, wherein: and the middle lower part of the stepped surface of the mounting plate is provided with a plurality of threaded holes, and the mounting plate is connected with the frame connecting plate through a bolt assembly.
8. The dual load bearing connection for a mining excavator chassis of claim 1, wherein: the end face of the lower part of the frame connecting plate, which is opposite to the step face of the mounting plate, is arranged in a step manner and is used for being matched and connected with the vertical groove of the hook.
9. The dual load bearing connection for a mining excavator chassis of claim 1, wherein: the distance between the top surface of the hook boss in the hook and the bottom surface of the hook is not less than 50 mm.
10. The utility model provides a mining excavator, includes longeron, frame, its characterized in that: the double-load-bearing connecting device of any one of claims 1 to 9, which is mounted on the side plate of the longitudinal beam, and the frame is provided with a frame connecting plate, and the connection between the longitudinal beam and the frame is realized by the cooperation of the bottom of the frame connecting plate and the double-load-bearing connecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020205068.4U CN211816565U (en) | 2020-02-25 | 2020-02-25 | Double-bearing connecting device for mining excavator chassis and mining excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020205068.4U CN211816565U (en) | 2020-02-25 | 2020-02-25 | Double-bearing connecting device for mining excavator chassis and mining excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211816565U true CN211816565U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020205068.4U Active CN211816565U (en) | 2020-02-25 | 2020-02-25 | Double-bearing connecting device for mining excavator chassis and mining excavator |
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| Country | Link |
|---|---|
| CN (1) | CN211816565U (en) |
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- 2020-02-25 CN CN202020205068.4U patent/CN211816565U/en active Active
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