CN203905080U - Engineering machinery counterweight installation device - Google Patents
Engineering machinery counterweight installation device Download PDFInfo
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- CN203905080U CN203905080U CN201420338213.0U CN201420338213U CN203905080U CN 203905080 U CN203905080 U CN 203905080U CN 201420338213 U CN201420338213 U CN 201420338213U CN 203905080 U CN203905080 U CN 203905080U
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- engineering machinery
- support
- support component
- counter weight
- erecting device
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Abstract
The utility model relates to an engineering machinery counterweight installation device. The engineering machinery counterweight installation device comprises an upper crossbeam, a lower crossbeam and a longitudinal beam, which integrally extend from a rotating platform of an excavator, wherein a supporting part is arranged among the upper crossbeam, the lower crossbeam and the longitudinal beam, the supporting part is provided with two vertical running-through hollow supporting columns, the upper end of the supporting part is connected with the upper crossbeam, the lower end of the supporting part is connected with the lower crossbeam, the side part is connected with the longitudinal beam, so that the vertical running-through supporting columns are respectively aligned to the installation holes in the vertical direction to form a connection bolt through hole, and the supporting part is a metal plate part which is formed by bending a plate metal material and provided with two vertical running-through abnormal-shape cross sections. The engineering machinery counterweight installation device has the advantages that the twisting load produced by the counterweight can be avoided, the rigidness of a local part can be reinforced according to the bearable working load, so that the overall rigidness of the supporting part is better, and the stress is uniformly distributed; fewer components are adopted, sufficient rigidness is realized, the welding process is simplified, and the working efficiency can be increased.
Description
Technical field
The present invention relates to engineering machinery field, specifically relate to a kind of engineering machinery counter weight erecting device.
Background technology
The engineering machinery such as excavator are in operation process, and the swing of machine during for balanced operation, generally all needs to dispose counterweight.The basic structure of hydraulic crawler excavator has lower running mechanism, revolving dial, equipment, counterweight, motor, driver's cabin etc.Revolving dial can turn round by any direction in lower running mechanism, disposes equipment, driver's cabin, motor, counterweight etc. on revolving dial, and equipment is positioned at the front end of excavator, in order to keep balance, in the rear end of revolving dial, counterweight is installed.
Fig. 1 is the counterweight scheme of installation of excavator.The rear end of revolving platform of excavator has a pair of for the mounting structure 01 of counterweight is installed, and normally with bolt 02, counterweight 5 is fixedly connected with excavator.Fig. 6 is existing counterweight mounting structure figure, existing counterweight mounting structure comprises: top rail 410, lower transverse beam 420, gripper shoe 430, support column 440, longeron 450, gripper shoe 430 and support column 440 are connected between top rail 410 and lower transverse beam 420, on top rail 410 and lower transverse beam 420, there is the counterweight installing hole that fastening bolt is used, gripper shoe 430 and support column 440 structure that is welded as a whole, counterweight mounting hole site is directly over support column 440.As shown in Figure 6, existing counterweight mounting structure by top rail 410, lower transverse beam 420, gripper shoe 430, support column 440 and longeron 450 totally 6 parts form, the part of formation is more, processing technology is comparatively complicated.
Summary of the invention
Object of the present invention is just to provide and a kind ofly can adopts amount of parts still less and can have enough rigidity, and processing technology is simplified more, and then the engineering machinery counter weight erecting device of enhancing productivity.
Solution of the present invention is such:
A kind of engineering machinery counter weight erecting device, comprise the top rail extending out from revolving platform of excavator one, lower transverse beam and longeron, described longeron is connected between top rail and lower transverse beam, on described top rail and lower transverse beam, there is counterweight installing hole, at described top rail, between lower transverse beam and longeron, be connected with support component, it is characterized in that: support component has two vertical hollow support posts that connect, support component upper end is connected with top rail, lower end is connected with lower transverse beam, sidepiece is connected with longeron, the support column of described vertical perforation is alignd with installing hole above-below direction respectively, form connecting bolt through hole, described support component 15 is for adopting plate material to be bent to form the sheet metal member of the profiled-cross-section of two vertical support columns that connect, support portion and two support columns are structure as a whole, avoid the weld seam between support portion and two support columns to be connected, thereby avoided stress to concentrate and the defect such as weld cracking.
Technical scheme also comprises more specifically: the support portion of described support component and two support columns are structure as a whole.
Further: between the support portion of described support component and two support columns, to form breach.
Further: described support component is bent into and forms after breach outward again and form supplemental support portion.
Further: described support component again extends along support portion and forms supplemental support portion after being bent into and forming breach.
Further: described two vertical support columns that connect are arranged on the centerline direction of described longeron thickness of slab, near of the center line by described longeron thickness of slab, on described longeron, avoid producing distortion load, improve the durability of longeron product.
Advantage of the present invention is to avoid counterweight to produce distortion load, in the textural rigidity that can strengthen according to the service load bearing part, makes the integral rigidity of support component better, and distribution of force is even; Adopt amount of parts still less and can have enough rigidity, welding procedure is simplified, and can increase work efficiency.
Brief description of the drawings
Fig. 1 is the counterweight mounting structure schematic diagram of excavator of the present invention.
Fig. 2 is the stereogram of the counterweight mounting structure of this courage excavator.
Fig. 3 is the structure of the embodiment 1 of the A-A sectional view of Fig. 1.
Fig. 4 is the structure of the embodiment 2 of the A-A sectional view of Fig. 1.
Fig. 5 is the structure of the embodiment 3 of the A-A sectional view of Fig. 1.
Fig. 6 is the counter weight of excavator mounting structure schematic diagram of prior art.
Detailed description of the invention
Below, by reference to the accompanying drawings and embodiment describe the present invention in detail.But the present invention is not limited to following embodiment.
As shown in Figure 1, the rear end of revolving platform of excavator has a pair of for the mounting structure 01 of counterweight is installed, and normally with bolt 02, counterweight 5 is fixedly connected with excavator.The present invention includes the top rail 11 extending out from revolving platform of excavator one, lower transverse beam 12 and longeron 13, described longeron 13 is connected between top rail 11 and lower transverse beam 12, on described top rail 11 and lower transverse beam 12, there is the counterweight installing hole 14 that fastening bolt is used, at described top rail 11, between lower transverse beam 12 and longeron 13, be connected with support component 15, support component 15 has two vertical hollow support posts that connect, support component 15 upper ends are connected with top rail 11, lower end is connected with lower transverse beam 12, sidepiece is connected with longeron 13, the support column of described vertical perforation is alignd with installing hole 14 above-below directions respectively, form connecting bolt through hole.
Support component 15 has following embodiment:
Embodiment 1:
As shown in Figure 2,3, support component 15 adopts plate material to be bent to form two vertical support columns 151,152 that connect and the structure of a support portion 153, form the sheet metal member with profiled-cross-section, avoid the weld seam between gripper shoe 153 and two support columns 151,152 to be connected, thereby avoided stress to concentrate and the defect such as weld cracking; Described support portion 153 is between two support columns 151,152; Between the support portion 153 of described support component 15 and two support columns, form breach 154.
Embodiment 2:
As shown in Figure 4, compared with the counter weight of excavator erecting device structure chart of embodiment 1, described in the excavator of the present embodiment, support component 15 is bent into and forms after breach 154 outward again and form supplemental support portion 155, supplemental support portion 155 forms overlapping with support portion 153, make the lifting surface area of 153 positions, support portion larger, there is better rigidity.
Embodiment 3:
As shown in Figure 5, compared with the structure of embodiment 2, described in the present embodiment, support component 15 again extends and forms supplemental support portion 155 along support portion 153 after being bent into and forming breach 154, supplemental support portion 155 forms overlapping with support portion 153, make the lifting surface area of 153 positions, support portion larger, there is better rigidity.
In above-described embodiment, the structure of supplemental support 155 also can adopt the structure of other shape as required.
Claims (6)
1. an engineering machinery counter weight erecting device, comprise the top rail (11) extending out from revolving platform of excavator one, lower transverse beam (12) and longeron (13), described longeron (13) is connected between top rail (11) and lower transverse beam (12), on described top rail (11) and lower transverse beam (12), there is counterweight installing hole (14), it is characterized in that: also comprise support component (15), described support component (15) upper end is connected with top rail (11), lower end is connected with lower transverse beam (12), sidepiece is connected with longeron (13), described support component (15) has two vertical hollow support posts that connect, the support column of described vertical perforation is alignd with installing hole (14) above-below direction respectively, form connecting bolt through hole, described support component (15) is for adopting plate material to be bent to form the sheet metal member of the profiled-cross-section of two vertical support columns that connect.
2. engineering machinery counter weight erecting device according to claim 1, is characterized in that: the support portion (153) of described support component (15) is structure as a whole with two support columns.
3. engineering machinery counter weight erecting device according to claim 2, is characterized in that: between the support portion (153) of described support component (15) and two support columns, form breach (154).
4. engineering machinery counter weight erecting device according to claim 3, is characterized in that: described support component (15) is bent into and forms after breach (154) outward again and form supplemental support portion (155).
5. engineering machinery counter weight erecting device according to claim 3, is characterized in that: after described support component (15) is bent into and forms breach (154), along support portion, (153) extension forms supplemental support portion (155) again.
6. according to the engineering machinery counter weight erecting device described in claim 1 or 2 or 3, it is characterized in that: described two vertical support columns that connect are arranged on the centerline direction of described longeron (13) thickness of slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338213.0U CN203905080U (en) | 2014-06-24 | 2014-06-24 | Engineering machinery counterweight installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338213.0U CN203905080U (en) | 2014-06-24 | 2014-06-24 | Engineering machinery counterweight installation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203905080U true CN203905080U (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420338213.0U Active CN203905080U (en) | 2014-06-24 | 2014-06-24 | Engineering machinery counterweight installation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203905080U (en) |
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2014
- 2014-06-24 CN CN201420338213.0U patent/CN203905080U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Pull the the Liujiang River city Liuzhou County town Shuangyong road 545100 the Guangxi Zhuang Autonomous Region Patentee after: Liugong Machinery Co., Ltd. Patentee after: LIUGONG CHANGZHOU MACHINERY CO., LTD. Patentee after: Guangxi Liugong Machinery Co., Ltd. Address before: Pull the the Liujiang River city Liuzhou County town Shuangyong road 545100 the Guangxi Zhuang Autonomous Region Patentee before: Liugong Machinery Co., Ltd. Patentee before: Liugong Changzhou Excvavtor Co., Ltd. Patentee before: Guangxi Liugong Machinery Co., Ltd. |