CN215290321U - Universal switching block for telescopic arm - Google Patents
Universal switching block for telescopic arm Download PDFInfo
- Publication number
- CN215290321U CN215290321U CN202120845380.4U CN202120845380U CN215290321U CN 215290321 U CN215290321 U CN 215290321U CN 202120845380 U CN202120845380 U CN 202120845380U CN 215290321 U CN215290321 U CN 215290321U
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- arm body
- arm
- connecting frame
- pin shaft
- block
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- 238000003466 welding Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a universal switching block for telescopic arms, which comprises an arm body connecting frame welded on the telescopic arms, wherein the arm body connecting frame is movably connected with the switching block, two sides of the switching block are respectively connected with an oil cylinder and a big arm, and a pre-tightening device is arranged at the end face of the switching block close to one side of the oil cylinder; this product adopts split type design, changes the pretightning force of pretension spring through the adjusting nut among the adjusting preloading device and blocks the reliable card of voussoir in arm body link and the conical surface of switching piece assembly back to realized switching piece and the reliable connection of arm body link, improved flexible arm body commonality, can realize the batchization preparation, reduced the cost of the arm body, the switching piece all adopts the pin shaft type to connect, and it is convenient to dismantle.
Description
Technical Field
The utility model relates to a change to and connect the piece, in particular to general change to and connect piece of flexible arm.
Background
The telescopic arm is a working device mounted on the excavator, and the fixed body and moving body can make the moving body extend and retract under the action of telescopic cylinder so as to attain the goal of larger excavating radius and reasonable loading height.
At present, the telescopic boom has two modes of complete machine sale and accessory sale. The cost of the former is higher, and the general profession can choose to purchase the complete machine when engaged in deep foundation construction. But the current market occupying a larger market is still mainly the excavator auxiliary tool. A telescopic arm device is provided for the chassis of the excavator by a client, so that the cost is reduced, and the utilization rate of the excavator is improved. Due to different facing customer groups, the chassis provided by the customers are different, and the customized design needs to be carried out on each customer, which causes great pressure on the manufacturers in production and manufacturing.
SUMMERY OF THE UTILITY MODEL
The utility model provides a general switching piece of flexible arm is used for overcoming flexible arm among the prior art and needs supporting with digging the quick-witted chassis, leads to the poor defect of flexible arm commonality.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model discloses a general switching piece of flexible arm, including the arm body link of welding on flexible arm, arm body link and switching piece swing joint, the both sides of switching piece are connected with hydro-cylinder and big arm respectively, are close to the terminal surface department of the switching piece of hydro-cylinder one side is equipped with preloading device.
Furthermore, a pin shaft clamping groove is formed in the arm body connecting frame, and the switching block is clamped into the clamping groove of the arm body connecting frame through a pin shaft at the lower part of the switching block.
Furthermore, a wedge block is arranged in a pin shaft clamping groove on one side, close to the oil cylinder, of the arm body connecting frame.
Furthermore, the large arm and the oil cylinder are movably connected with the switching block through a pin shaft.
Furthermore, be equipped with the regulation pole in the preloading device, the outer wall cooperation of adjusting the pole is installed the pretension spring, penetrates in the through-hole of voussoir, and the diameter of through-hole is less than the diameter of pretension spring, the one end of keeping away from the pretension spring of regulation pole is equipped with adjusting nut.
The utility model discloses the beneficial effect who reaches is: this product adopts split type design, changes the pretightning force of pretension spring through the adjusting nut among the adjusting preloading device and blocks the reliable card of voussoir in arm body link and the conical surface of switching piece assembly back to realized switching piece and the reliable connection of arm body link, improved flexible arm body commonality, can realize the batchization preparation, reduced the cost of the arm body, the switching piece all adopts the pin shaft type to connect, and it is convenient to dismantle.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is a schematic top view of the present invention;
fig. 4 is an enlarged schematic view of the present invention at I in fig. 3.
In the figure: 1. an arm body connecting frame; 2. a transfer block; 3. a pin shaft; 4. an oil cylinder; 5. a large arm; 6. a wedge block; 7. a pre-tightening device; 8. adjusting the nut; 9. pre-tightening the spring; 10. and adjusting the rod.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1
As shown in fig. 1-4, the universal adapter block for the telescopic boom comprises a boom connecting frame 1 welded on the telescopic boom, wherein the boom connecting frame 1 is movably connected with an adapter block 2, two sides of the adapter block 2 are respectively connected with an oil cylinder 4 and a large arm 5, and a pre-tightening device 7 is arranged at the end face of the adapter block 2 close to one side of the oil cylinder 4.
The arm body connecting frame 1 is provided with a pin shaft clamping groove, and the switching block 2 is clamped into the clamping groove of the arm body connecting frame 1 through a pin shaft at the lower part of the switching block.
And a wedge block 6 is arranged in a pin shaft clamping groove on one side of the arm body connecting frame 1 close to the oil cylinder 4.
The large arm 5 and the oil cylinder 4 are both movably connected with the switching block 2 through a pin shaft 3.
An adjusting rod 10 is arranged in the pre-tightening device 7, a pre-tightening spring 9 is installed on the outer wall of the adjusting rod 10 in a matched mode and penetrates into a through hole of the wedge block 6, the diameter of the through hole is smaller than that of the pre-tightening spring 9, and an adjusting nut 8 is arranged at one end, far away from the pre-tightening spring 9, of the adjusting rod 10.
The arm body connecting frame 1 is welded on the arm body of the telescopic arm, and a pin shaft clamping groove is reserved on the arm body connecting frame 1; the transfer block 2 is connected with an oil cylinder 4 through a pin shaft 3; the large arm 5 is connected with the transfer block 2 through a pin shaft 3; the lower part of the transfer block 2 is provided with a pin shaft, and the pin shaft at the lower part of the transfer block 2 is clamped into a clamping groove of the arm body connecting frame 1 during installation; and connecting the pre-tightening device 7 with the wedge block 6 to complete the installation of the transfer block 2 and the arm body connecting frame 1. The wedge block 6 is clamped in the conical surface of the arm body connecting frame 1 and the transfer block 2 after assembly; an adjusting nut 8, a pre-tightening spring 9 and an adjusting rod 10 are arranged in the pre-tightening device 7; the adjusting nut 8 is adjusted to change the pretightening force of the pretightening spring 9, so that the wedge block 6 is reliably clamped in the conical surface of the arm body connecting frame 1 and the transfer block 2 after assembly, and the transfer block 2 is reliably connected with the arm body connecting frame 1 by the method.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a general switching piece of flexible arm which characterized in that, includes the arm body link span of welding on flexible arm, arm body link span and switching piece swing joint, the both sides of switching piece are connected with hydro-cylinder and big arm respectively, are close to the terminal surface department of the switching piece of hydro-cylinder one side is equipped with preloading device.
2. The universal adapter block for telescopic arms according to claim 1, wherein a pin shaft slot is provided on the arm body connecting frame, and the adapter block is inserted into the slot of the arm body connecting frame through a pin shaft at the lower part of the adapter block.
3. The universal adapter block for telescopic booms as claimed in claim 1, wherein a wedge block is arranged in a pin shaft clamping groove on one side of the boom connecting frame close to the oil cylinder.
4. The universal adapter block for telescopic booms as claimed in claim 1, wherein the large boom and the oil cylinder are both movably connected with the adapter block through a pin shaft.
5. The universal adapter block for telescopic arms as claimed in claim 1, wherein an adjusting rod is arranged in the pre-tightening device, a pre-tightening spring is fittingly installed on the outer wall of the adjusting rod and penetrates into a through hole of the wedge block, the diameter of the through hole is smaller than that of the pre-tightening spring, and an adjusting nut is arranged at one end of the adjusting rod, which is far away from the pre-tightening spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120845380.4U CN215290321U (en) | 2021-04-23 | 2021-04-23 | Universal switching block for telescopic arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120845380.4U CN215290321U (en) | 2021-04-23 | 2021-04-23 | Universal switching block for telescopic arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215290321U true CN215290321U (en) | 2021-12-24 |
Family
ID=79537642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120845380.4U Active CN215290321U (en) | 2021-04-23 | 2021-04-23 | Universal switching block for telescopic arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215290321U (en) |
-
2021
- 2021-04-23 CN CN202120845380.4U patent/CN215290321U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A universal adapter block for telescopic boom Effective date of registration: 20230214 Granted publication date: 20211224 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Huishan branch Pledgor: TYSIM PILING EQUIPMENT Co.,Ltd. Registration number: Y2023980032588 |
|
| CP03 | Change of name, title or address |
Address after: 214000 room 0916, building 3, 311 Yanxin Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province (Development Zone) (place of business: 518-1 Zhonghui Road, Huishan Economic Development Zone, Wuxi City) Patentee after: Jiangsu Taixin Machinery Co.,Ltd. Country or region after: China Address before: 214000 room 0916, building 3, 311 Yanxin Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province (Development Zone) (place of business: 518-1 Zhonghui Road, Huishan Economic Development Zone, Wuxi City) Patentee before: TYSIM PILING EQUIPMENT Co.,Ltd. Country or region before: China |