CN202970631U - Rotary telescopic device - Google Patents
Rotary telescopic device Download PDFInfo
- Publication number
- CN202970631U CN202970631U CN 201220656093 CN201220656093U CN202970631U CN 202970631 U CN202970631 U CN 202970631U CN 201220656093 CN201220656093 CN 201220656093 CN 201220656093 U CN201220656093 U CN 201220656093U CN 202970631 U CN202970631 U CN 202970631U
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- bearing
- stretching device
- revolution
- fixed rack
- urceolus
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Abstract
The utility model relates to a rotary telescopic device. The rotary telescopic device comprises a rotary mechanism, a telescopic device, a connecting board, a guiding key and a fixed rack, wherein the rotary mechanism comprises a rotary device, an outer barrel, an inner barrel, a first bearing and a second bearing; the rotary device is arranged on the fixed rack; the first bearing is arranged at the upper part of the fixed rack; the second bearing is arranged at the lower part of the fixed rack; the outer barrel is connected with the inner barrel through the guiding key; the inner barrel is connected with the rotary device through a third bearing pin and a locating key; the telescopic device comprises a pair of hydraulic cylinders arranged on both sides of the lower part of the outer barrel; the barrel body ends of the hydraulic cylinders are connected with the outer barrel; the piston rods of the hydraulic cylinders are connected with the connecting board through a first bearing pin; and the connecting board is connected with the inner barrel through a second bearing pin. The rotary telescopic device has the beneficial effect of effectively realizing a composite action of space motion.
Description
Technical field
The utility model relates to a kind of revolution stretching device, belongs to the oilfield machinery field.
Background technology
The revolution stretching device is used widely in the equipment of a lot of requirement control strokes, angle position.Turn round at present stretching device mainly by the feed screw nut, turbine and worm and gear mechanism, hydraulic motor and gear pair form.Its complex structure, fault rate is high, installing space is large, supporting capacity is limited, control accuracy is low.
Summary of the invention
The utility model provides a kind of revolution stretching device for above-mentioned the deficiencies in the prior art.Easy for installation, can realize spinning movement, expanding-contracting action and rotary extension composite move.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of revolution stretching device, comprise slew gear, stretching device, bearing pin, junction plate, feather key and fixed rack, described slew gear comprises whirligig, urceolus, inner core, clutch shaft bearing, the second bearing, described whirligig is arranged on fixed rack, described clutch shaft bearing is installed on fixed rack top, described the second bearing is installed on the fixed rack bottom, described urceolus is connected with inner core by feather key, and described inner core is connected with whirligig by the 3rd bearing pin, positioning key; Stretching device comprises the pair of hydraulic cylinders of being located at both sides, described urceolus bottom, the cylinder body end of described hydraulic cylinder is connected with described urceolus, the piston rod of described hydraulic cylinder passes through the first bearing pin and is connected the junction plate connection, and described junction plate is connected with described inner core by the second bearing pin.
The beneficial effects of the utility model are: compact conformation, easy for installation, can realize spinning movement, expanding-contracting action and rotary extension composite move; The speed of spinning movement and expanding-contracting action all can be regulated, and can realize different movement velocitys according to different needs; The displacement of gyration and stretching motion also all can be controlled, and can realize different space displacements.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described bearing end all is equipped with sealing ring.
Adopt the beneficial effect of above-mentioned further scheme to be, make bearing that good sealing performance be arranged.
Further, described fixed rack is with alignment pin.
Adopt the beneficial effect of above-mentioned further scheme to be, be convenient to the integral installation location of this device.
Further, described feather key is installed on urceolus by back-up ring, between described back-up ring and urceolus, anti-wear sleeve is installed.
Adopt the beneficial effect of above-mentioned further scheme to be, improve the application life of urceolus.
Further, described bearing pin all is equipped with locking pin.
Adopt the beneficial effect of above-mentioned further scheme to be, make bearing pin more be fixed, be difficult for loosening.
Further, described revolution stretching device also comprises sensor.
Adopt the beneficial effect of above-mentioned further scheme to be, can measure the weight of lifting.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to sectional drawing.
In Fig. 1 and Fig. 2,1, whirligig, 2, fixed rack, 3, urceolus, 4, stretching device, the 5, first bearing pin, 6, junction plate, 7, inner core, the 8, second bearing pin, 9, back-up ring, 10, feather key, 11, alignment pin, 12, positioning key, 13, the 3rd bearing pin, the 14, the 4th bearing pin, 15, sensor, 16, clutch shaft bearing, 17, anti-wear sleeve, the 18, second bearing.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example only is used for explaining the utility model, is not be used to limiting scope of the present utility model.
As depicted in figs. 1 and 2, a kind of revolution stretching device, comprise slew gear, stretching device 4, bearing pin, junction plate 6, feather key 10 and fixed rack 2, wherein slew gear comprises whirligig 1, urceolus 3, inner core 7, clutch shaft bearing 16, the second bearing 18, whirligig 1 is arranged on fixed rack 2, clutch shaft bearing 16 is installed on fixed rack 2 tops, the second bearing 18 is installed on fixed rack 2 bottoms, urceolus 3 is connected with inner core 7 by feather key 10, and inner core 7 is connected with whirligig 1 by the 3rd bearing pin 13, positioning key 12; Stretching device 4 comprises the pair of hydraulic cylinders of being located at urceolus 3 both sides, bottom, and the cylinder body end of hydraulic cylinder is connected with urceolus 3, and the piston rod of hydraulic cylinder is connected by the first bearing pin 5 connections with junction plate, and junction plate 6 passes through the second bearing pin 8 and is connected with inner core 7.
Above-mentioned bearing end all is equipped with sealing ring.
Fixed rack 2 is with alignment pin 11.
Feather key 10 is installed on urceolus 3 by back-up ring 9, between described back-up ring 9 and urceolus 3, anti-wear sleeve 17 is installed.
The revolution stretching device also comprises the 4th bearing pin 14 that is connected with urceolus 3.
Above-mentioned bearing pin all is equipped with locking pin, makes bearing pin more be fixed, be difficult for loosening.
The revolution stretching device also comprises sensor 15, can measure the weight of lifting.
The utility model in use, spinning movement and expanding-contracting action can use simultaneously, also can use respectively.Slew gear can realize turning clockwise 180 °, be rotated counterclockwise 180 °.
The above is only preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a revolution stretching device, comprise slew gear, stretching device, junction plate, feather key and fixed rack, it is characterized in that:
Described slew gear comprises whirligig, urceolus, inner core, clutch shaft bearing, the second bearing, described whirligig is arranged on described fixed rack, described clutch shaft bearing is installed on fixed rack top, described the second bearing is installed on the fixed rack bottom, described urceolus is connected with inner core by described feather key, and described inner core is connected with whirligig by the 3rd bearing pin, positioning key;
Described stretching device comprises the pair of hydraulic cylinders of being located at both sides, described urceolus bottom, the cylinder body end of described hydraulic cylinder is connected with described urceolus, the piston rod of described hydraulic cylinder passes through the first bearing pin and is connected the junction plate connection, and described junction plate is connected with described inner core by the second bearing pin.
2. revolution stretching device according to claim 1, is characterized in that, described bearing end all is equipped with sealing ring.
3. revolution stretching device according to claim 1, is characterized in that, described fixed rack is with alignment pin.
4. revolution stretching device according to claim 1, is characterized in that, described feather key is installed on urceolus by back-up ring, between described back-up ring and urceolus, anti-wear sleeve is installed.
5. according to claim 1～4 described revolution stretching devices of any one, is characterized in that, described bearing pin all is equipped with locking pin.
6. revolution stretching device according to claim 1, is characterized in that, described revolution stretching device also comprises sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220656093 CN202970631U (en) | 2013-04-02 | 2013-04-02 | Rotary telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220656093 CN202970631U (en) | 2013-04-02 | 2013-04-02 | Rotary telescopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202970631U true CN202970631U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220656093 Expired - Fee Related CN202970631U (en) | 2013-04-02 | 2013-04-02 | Rotary telescopic device |
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| CN (1) | CN202970631U (en) |
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2013
- 2013-04-02 CN CN 201220656093 patent/CN202970631U/en not_active Expired - Fee Related
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