CN204002637U - The dental lamina mounting structure of power tongs - Google Patents
The dental lamina mounting structure of power tongs Download PDFInfo
- Publication number
- CN204002637U CN204002637U CN201420318259.6U CN201420318259U CN204002637U CN 204002637 U CN204002637 U CN 204002637U CN 201420318259 U CN201420318259 U CN 201420318259U CN 204002637 U CN204002637 U CN 204002637U
- Authority
- CN
- China
- Prior art keywords
- dental lamina
- pin
- jaw
- dorsal part
- groove
- 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 - Fee Related
Links
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a kind of dental lamina mounting structure of power tongs, comprise jaw, dove-tail form dental lamina groove is set on jaw, in dental lamina groove, dental lamina is set, dental lamina upper, lower end dorsal part is recessed ledge frame shape, the length of dental lamina is identical with the thickness of jaw, dental lamina groove dorsal part arranges, lower pin-and-hole, in upper and lower pin-and-hole, load onto respectively, lower dental lamina pin, and on, the head of lower dental lamina pin keeps off respectively upper at dental lamina, in the dorsal part recessed ledge frame shape structure of lower end, on, the afterbody of lower dental lamina pin is respectively with upper, the free-end of lower leaf spring connects, on, the fixed end of lower leaf spring is bolted on the jaw back side.The utility model is rational in infrastructure, and it is convenient to change, and work contact area is large, favorable working performance, long service life; Dental lamina pin is steady pin, can prevent from departing from because maloperation makes dental lamina.
Description
Technical field
The utility model relates to the dental lamina mounting structure of a kind of oil and gas well drilling power tongs.
Background technology
The dental lamina of power tongs for existing oil and gas well drilling, contact area is little, is difficult for changing.
Summary of the invention
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, and it is convenient to change, the dental lamina mounting structure of the power tongs of favorable working performance.
Technical solution of the present utility model is:
A kind of dental lamina mounting structure of power tongs, comprise jaw, it is characterized in that: dove-tail form dental lamina groove is set on jaw, in dental lamina groove, dental lamina is set, dental lamina upper, lower end dorsal part is recessed ledge frame shape, the length of dental lamina is identical with the thickness of jaw, dental lamina groove dorsal part arranges, lower pin-and-hole, in upper and lower pin-and-hole, load onto respectively, lower dental lamina pin, and on, the head of lower dental lamina pin keeps off respectively upper at dental lamina, in the dorsal part recessed ledge frame shape structure of lower end, on, the afterbody of lower dental lamina pin is respectively with upper, the free-end of lower leaf spring connects, on, the fixed end of lower leaf spring is bolted on the jaw back side.
Described leaf spring is connected with the afterbody of dental lamina pin by waist-shaped hole.
The utility model is rational in infrastructure, and it is convenient to change, and work contact area is large, favorable working performance, long service life; Dental lamina pin is steady pin, can prevent from departing from because maloperation makes dental lamina.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the A-A view of Fig. 1.
Fig. 3 is the structural representation of leaf spring.
Detailed description of the invention
A kind of dental lamina mounting structure of power tongs, comprise jaw 1, dove-tail form dental lamina groove is set on jaw, dental lamina 2 is set in dental lamina groove, dental lamina upper, lower end dorsal part is recessed ledge frame shape 9, 10, the length of dental lamina is identical with the thickness of jaw (effectively increases contact area, improve application life), dental lamina groove dorsal part arranges, lower pin-and-hole, in upper and lower pin-and-hole, load onto respectively, lower dental lamina pin 3, 6, and on, the head of lower dental lamina pin keeps off respectively upper at dental lamina, in the dorsal part recessed ledge frame shape structure of lower end, on, the afterbody of lower dental lamina pin is respectively with upper, lower leaf spring 4, 7 free-end connects, on, the fixed end of lower leaf spring is fixed on the jaw back side by bolt 5.
Described leaf spring is connected with the afterbody of dental lamina pin by waist-shaped hole 8.
Claims (2)
1. the dental lamina mounting structure of a power tongs, comprise jaw, it is characterized in that: dove-tail form dental lamina groove is set on jaw, in dental lamina groove, dental lamina is set, dental lamina upper, lower end dorsal part is recessed ledge frame shape, the length of dental lamina is identical with the thickness of jaw, dental lamina groove dorsal part arranges, lower pin-and-hole, in upper and lower pin-and-hole, load onto respectively, lower dental lamina pin, and on, the head of lower dental lamina pin keeps off respectively upper at dental lamina, in the dorsal part recessed ledge frame shape structure of lower end, on, the afterbody of lower dental lamina pin is respectively with upper, the free-end of lower leaf spring connects, on, the fixed end of lower leaf spring is bolted on the jaw back side.
2. the dental lamina mounting structure of power tongs according to claim 1, is characterized in that: described leaf spring is connected with the afterbody of dental lamina pin by waist-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318259.6U CN204002637U (en) | 2014-06-16 | 2014-06-16 | The dental lamina mounting structure of power tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318259.6U CN204002637U (en) | 2014-06-16 | 2014-06-16 | The dental lamina mounting structure of power tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204002637U true CN204002637U (en) | 2014-12-10 |
Family
ID=52042657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420318259.6U Expired - Fee Related CN204002637U (en) | 2014-06-16 | 2014-06-16 | The dental lamina mounting structure of power tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204002637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956432A (en) * | 2017-12-15 | 2018-04-24 | 扬州诚创石油机械有限公司 | A kind of device of quick-replaceable power slip binding clip |
-
2014
- 2014-06-16 CN CN201420318259.6U patent/CN204002637U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956432A (en) * | 2017-12-15 | 2018-04-24 | 扬州诚创石油机械有限公司 | A kind of device of quick-replaceable power slip binding clip |
| CN107956432B (en) * | 2017-12-15 | 2023-11-17 | 江苏诚创智能装备有限公司 | Device for quickly replacing power slip binding clip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226406 Jiangsu city of Nantong province Rudong County town of bencha Wei Hai Road No. 60 Patentee after: JIANGSU RUSHI MACHINERY CO.,LTD. Address before: 226406 Jiangsu city of Nantong province Rudong County town of bencha Wei Hai Road No. 60 Patentee before: JIANGSU RUSHI MACHINERY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 |