CN202718978U - Expansion device for engineering mechanical arm support - Google Patents
Expansion device for engineering mechanical arm support Download PDFInfo
- Publication number
- CN202718978U CN202718978U CN 201220281158 CN201220281158U CN202718978U CN 202718978 U CN202718978 U CN 202718978U CN 201220281158 CN201220281158 CN 201220281158 CN 201220281158 U CN201220281158 U CN 201220281158U CN 202718978 U CN202718978 U CN 202718978U
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- Prior art keywords
- oil cylinder
- piston rod
- expansion device
- fixture block
- telescopic boom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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Abstract
The utility model discloses an expansion device for an engineering mechanical arm support. The expansion device comprises a basic arm (2), a telescopic arm (1) and an oil cylinder (4), wherein the oil cylinder (4) comprises a piston rod (7) and a cylinder barrel (6); the piston rod (7) is hinged on the basic arm (2); the end part, which is close to the piston rod (7), of the cylinder barrel (6) is hinged on the telescopic arm (1); an oil cylinder clamping block (9) is arranged at one end, which is away from the piston rod (7), of the cylinder barrel (6); a sliding chute is formed in the telescopic arm (1); and the oil cylinder clamping block (9) is inserted into the sliding chute and slightly, vertically and transversely moves in the sliding chute. According to the expansion device disclosed by the utility model, the bending of the oil cylinder in the telescopic process of the oil cylinder can be effectively reduced, the wear of the oil cylinder is reduced, the practical life of the oil cylinder is prolonged, the convenience in mounting, dismounting and maintenance and overhaul of equipment is realized and the production efficiency is increased.
Description
Technical field
The utility model relates to a kind of jib expansion device, particularly a kind of engineering machinery jib expansion device with two joint arms.
Background technique
Referring to Fig. 1, the flexible of jib two joint arms of engineering machinery is to drive by oil cylinder 4 basically, and wherein an end of oil cylinder is fixed on the telescopic boom 1, and the other end is fixed on the basic arm 2, thereby drives the flexible of jib by stretching of oil cylinder 4.
The major defect of prior art: in telescopic process, when oil cylinder 4 piston rods stretch out when long, the phenomenon of oil cylinder bending can occur, thereby cause that cylinder barrel and piston rod acutely rub, increase resistance to motion, long-play can cause piston coating to grind away and seal arrangement damages, and causes in the oil cylinder 4 and lets out; Secondly, the position of mounting hole of oil cylinder and telescopic boom 1 is not easy centering in oil cylinder 4 installation processes, wears axle 3 inconveniences.
Summary of the invention
Technical problem to be solved in the utility model provides and a kind ofly can effectively reduce the oil cylinder degree of crook, convenient assembling and disassembling, the engineering machinery jib expansion device that manufacturing efficiency is high.
In order to solve the problems of the technologies described above, the engineering machinery jib expansion device that the utility model provides, comprise basic arm, telescopic boom and oil cylinder, oil cylinder comprises piston rod and cylinder barrel, described piston rod is hinged on the described basic arm, the end that described cylinder barrel closes on described piston rod is hinged on the described telescopic boom, described cylinder barrel is provided with the oil cylinder fixture block away from an end of described piston rod, be provided with chute at described telescopic boom, described oil cylinder fixture block is inserted in the described chute and described oil cylinder fixture block in described chute, have a small amount of up and down and move forward and backward.
Described piston rod adopts the first fixture block to be hinged on the described basic arm, and described cylinder barrel closes on the end of described piston rod and adopts the second fixture block to be installed on the described telescopic boom.
Described oil cylinder is installed in the top in described telescopic boom and the described basic arm.
Described chute is L shaped chute.
Described L shaped chute is welded on the left and right sides plate of described telescopic boom.
Adopt the engineering machinery jib expansion device of technique scheme, because piston rod is hinged on the basic arm, the end that cylinder barrel closes on piston rod is hinged on the telescopic boom, cylinder barrel is provided with the oil cylinder fixture block away from an end of piston rod, be provided with L shaped chute at telescopic boom, the oil cylinder fixture block is inserted in the L shaped chute and the oil cylinder fixture block in L shaped chute, have a small amount of up and down and move forward and backward, stretching out when cylinder piston rod when long, because the oil cylinder fixture block is inserted in the L shaped chute and the oil cylinder fixture block in L shaped chute, have a small amount of up and down and move forward and backward, thereby in the oil cylinder telescopic process, can effectively reduce the oil cylinder bending, reduce the oil cylinder wearing and tearing, improve the physical life of oil cylinder.This device is convenient to be installed and dismounting, enhances productivity, and makes things convenient for plant maintenance and maintenance.
In sum, the utility model can effectively reduce the oil cylinder bending in the oil cylinder telescopic process, reduces the oil cylinder wearing and tearing, improves the physical life of oil cylinder.This device is convenient to be installed and dismounting, enhances productivity, and makes things convenient for plant maintenance and maintenance.
Description of drawings
Fig. 1 is existing jib expansion device schematic diagram.
Fig. 2 is that the utility model device oil cylinder master looks schematic diagram.
Fig. 3 is the utility model device oil cylinder schematic top plan view.
Fig. 4 is that schematic diagram is looked on the utility model device oil cylinder left side.
Fig. 5 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further to describe in detail.
Referring to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, telescopic boom 1 is sleeved in the basic arm 2, oil cylinder 4 is installed in the top in telescopic boom 1 and the basic arm 2, the piston rod 7 of oil cylinder 4 adopts the first fixture block 8 to be hinged on the basic arm 2, the cylinder barrel 6 of oil cylinder 4 closes on the end of piston rod 7 and adopts the second fixture block 5 to be installed on the telescopic boom 1, cylinder barrel 6 is provided with oil cylinder fixture block 9 away from an end of piston rod 7, L shaped chute 10 is welded on the left and right sides plate of telescopic boom 1, oil cylinder fixture block 9 is inserted in the L shaped chute 10 and oil cylinder fixture block 9 in L shaped chute 10, have a small amount of up and down and move forward and backward.
When oil cylinder 4 is installed, first oil cylinder fixture block 9 is installed on the cylinder barrel 6, again oil cylinder fixture block 9 is slipped in the L shaped chute 10, oil cylinder fixture block 9 in L shaped chute 10, allow a small amount of up and down and move forward and backward, then respectively cylinder barrel 6 and piston rod 7 are fixed on telescopic boom 1 and the basic arm 2.During dismounting, otherwise get final product.
Referring to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, because piston rod 7 is hinged on the basic arm 2, the end that cylinder barrel 6 closes on piston rod 7 is hinged on the telescopic boom 1, cylinder barrel 6 is provided with oil cylinder fixture block 9 away from an end of piston rod 7, be provided with L shaped chute 10 at telescopic boom 1, oil cylinder fixture block 9 is inserted in the L shaped chute 10 and oil cylinder fixture block 9 in L shaped chute 10, have a small amount of up and down and move forward and backward, stretching out when oil cylinder 4 piston rods when long, because oil cylinder fixture block 9 is inserted in the L shaped chute 10 and oil cylinder fixture block 9 in L shaped chute 10, have a small amount of up and down and move forward and backward be cylinder barrel 6 away from an end of piston rod 7 in L shaped chute 10, have a small amount of up and down and move forward and backward, thereby in oil cylinder 4 telescopic process, can effectively reduce oil cylinder 4 bendings, reduce the oil cylinder wearing and tearing, improve the physical life of oil cylinder.This device is convenient to be installed and dismounting, enhances productivity, and makes things convenient for plant maintenance and maintenance.
Claims (5)
1. engineering machinery jib expansion device, comprise basic arm (2), telescopic boom (1) and oil cylinder (4), oil cylinder (4) comprises piston rod (7) and cylinder barrel (6), it is characterized in that: described piston rod (7) is hinged on the described basic arm (2), the end that described cylinder barrel (6) closes on described piston rod (7) is hinged on the described telescopic boom (1), described cylinder barrel (6) is provided with oil cylinder fixture block (9) away from an end of described piston rod (7), be provided with chute at described telescopic boom (1), described oil cylinder fixture block (9) is inserted in the described chute and described oil cylinder fixture block (9) in described chute, have a small amount of up and down and move forward and backward.
2. engineering machinery jib expansion device according to claim 1, it is characterized in that: described piston rod (7) adopts the first fixture block (8) to be hinged on the described basic arm (2), and described cylinder barrel (6) closes on the end of described piston rod (7) and adopts the second fixture block (5) to be installed on the described telescopic boom (1).
3. engineering machinery jib expansion device according to claim 1 and 2, it is characterized in that: described chute is L shaped chute (10).
4. engineering machinery jib expansion device according to claim 1 and 2 is characterized in that: described oil cylinder (4) is installed in the top in described telescopic boom (1) and the described basic arm (2).
5. engineering machinery jib expansion device according to claim 1 and 2, it is characterized in that: described L shaped chute (10) is welded on the left and right sides plate of described telescopic boom (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220281158 CN202718978U (en) | 2012-06-14 | 2012-06-14 | Expansion device for engineering mechanical arm support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220281158 CN202718978U (en) | 2012-06-14 | 2012-06-14 | Expansion device for engineering mechanical arm support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202718978U true CN202718978U (en) | 2013-02-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220281158 Expired - Lifetime CN202718978U (en) | 2012-06-14 | 2012-06-14 | Expansion device for engineering mechanical arm support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202718978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966096A (en) * | 2016-10-18 | 2018-04-27 | 山东正元地球物理信息技术有限公司 | Intelligent pipeline detection monitoring device |
| CN110202562A (en) * | 2019-06-30 | 2019-09-06 | 山西科达自控股份有限公司 | Robot device for underground coal mine |
-
2012
- 2012-06-14 CN CN 201220281158 patent/CN202718978U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966096A (en) * | 2016-10-18 | 2018-04-27 | 山东正元地球物理信息技术有限公司 | Intelligent pipeline detection monitoring device |
| CN107966096B (en) * | 2016-10-18 | 2019-07-23 | 山东正元地球物理信息技术有限公司 | Intelligent pipeline detection monitoring device |
| CN110202562A (en) * | 2019-06-30 | 2019-09-06 | 山西科达自控股份有限公司 | Robot device for underground coal mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410600 No.128, Jinzhou Avenue East, Ningxiang high tech Development Zone, Changsha City, Hunan Province Patentee after: Hunan Xingbang Intelligent Equipment Co., Ltd Address before: 410100 No. two, No. 27 South Road, Changsha County economic and Technological Development Zone, Hunan, Changsha Patentee before: Hunan Sinoboom Heavy Industry Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130206 |
|
| CX01 | Expiry of patent term |