CN202866666U - Retractable headframe - Google Patents
Retractable headframe Download PDFInfo
- Publication number
- CN202866666U CN202866666U CN 201220604438 CN201220604438U CN202866666U CN 202866666 U CN202866666 U CN 202866666U CN 201220604438 CN201220604438 CN 201220604438 CN 201220604438 U CN201220604438 U CN 201220604438U CN 202866666 U CN202866666 U CN 202866666U
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- CN
- China
- Prior art keywords
- supporting leg
- support leg
- otic placode
- contraction type
- derrick
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a retractable headframe which comprises a left support leg and a right support leg, namely a first support leg and a second support leg. The top portions of the first support leg and the second support leg are respectively hinged on a connecting piece. An opening-closing device is arranged between the first support leg and the second support leg and can enable the first support leg and the second support leg to mutually open or close. The opening-closing device comprises a top drive guide rail which is arranged on the connecting piece. Hydraulic cylinders and guide grooves are arranged on the top drive guide rail. Two ends of the each guide groove are closed. End portions of rods of the hydraulic cylinders are connected with sliding blocks which can slide along the guide grooves. Two connecting arms are connected on each sliding block and are respectively connected with the first support leg and the second support leg. Through arrangement of the hydraulic cylinders, the retractable headframe achieves opening, closing and retraction of the two support legs of the headframe, is simple in operation, convenient to open and close, and convenient and fast to transport, saves transportation cost and improves working efficiency.
Description
Technical field
The utility model relates to a kind of derrick, particularly a kind of contraction type derrick.
Background technology
A shape derrick (or π shape derrick) is widely used in the various oil explorations, has advantages of that cost is low, lightweight, good stability, strong operability.Existing A shape derrick generally has multistage derrick monomer to be spliced, and the centre is provided with link or workbench, and derrick hypomere appearance and size is excessive, has surpassed transportation limitation.
China Patent No. is 03219079.4 to have announced a kind of Telescopic A model headframe, as shown in Figure 1, its left and right supporting leg 05 forms and is scalable by two joint derrick monomers, 02 suit up and down, derrick monomer 02 is a whole trussed construction, the bottom of top derrick monomer 02 is sleeved on the top of bottom derrick monomer 02, is connected and fixed by bearing pin 06 between the two joint derrick monomers 02 up and down; Link 04 is connected and fixed the two joint derrick monomers 02 on top, and overhead traveling crane assembly 01 is fixed on the top of derrick, and two layers of workbench 03 are fixed on the middle part of derrick.During use, left and right sides supporting leg 05 need to be elongated, and by bearing pin 06 up and down two joint derrick monomers 02 be connected and fixed, be connected and fixed by the two joint derrick monomers 02 of link 04 with top, overhead traveling crane assembly 01 is fixed on the top of derrick, two layers of workbench 03 are fixed on the middle part of derrick, and the mode of hoisting hoists and gets final product routinely.When transportation, derrick is fallen earthward, link 04 and two layers of workbench 03 complete removal need to be taken out bearing pin 06, left and right sides supporting leg 05 is shortened, and after 05 merging of the derrick left and right sides supporting leg after will retracting, but just entrucking transportation.This stationary work-table 03 that needs when opening, gathering are to remove workbench 03 fully, and the indentation of multistage derrick monomer just can be transported, and component are more, and trouble is installed, and the transportation dismounting is also not too convenient.
The utility model content
Utility model purpose of the present utility model is: exist derrick oversize for prior art, component are too much installed trouble, and the problem that transportation is inconvenient provides a kind of contraction type derrick.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of contraction type derrick, two supporting legs are supporting leg one, supporting leg two about comprising, described supporting leg one and described supporting leg two tops are hinged on respectively on the connector, are provided with the closing device that can make supporting leg one, supporting leg two mutually open or close up between described supporting leg one, the supporting leg two.
Preferably, described closing device comprises a top drive guide rail that is installed on the connector, described top drive guide rail is provided with the guide groove of fluid cylinder and closed at both ends, described fluid cylinder boom end is connected with can be along the slide block of described guide groove slip, and described slide block is provided with two linking arms and interconnects with supporting leg one, supporting leg two respectively.
Preferably, described closing device comprises two top drive guide rails that are installed in respectively on the described connector, wherein each top drive guide rail is provided with the guide groove of fluid cylinder and closed at both ends, described two fluid cylinder boom ends are connected with a cursor slide, bottom, described cursor slide two ends is connected on two described guide grooves and cursor slide can be along the guide groove relative sliding, and described cursor slide both ends are provided with linking arm and respective leg one or supporting leg two and interconnect.
Preferably, described slide block and described linking arm interconnect by otic placode five.
Preferably, described slide block interconnects with described supporting leg one, supporting leg two by detachable otic placode six.
Preferably, described cursor slide and described linking arm interconnect by otic placode four.
Preferably, described cursor slide interconnects with described supporting leg one, supporting leg two by detachable otic placode three.
The cursor slide that arranges between two fluid cylinder ends, at supporting leg one, when supporting leg two opens, cursor slide is being connected supporting leg one, supporting leg two, closing device with linking arm, has increased the integral rigidity of derrick, can strengthen the derrick job stability simultaneously; Cursor slide interconnects by detachable otic placode three supporting legs one, supporting leg two, and when supporting leg one, supporting leg two closure, dismounting otic placode three is removed cursor slide to the constraint of supporting leg one, supporting leg two, can better close up derrick, dwindles more the space.
Preferably, described top drive guide rail and fluid cylinder interconnect by otic placode one, and described linking arm and supporting leg one, supporting leg two interconnect by otic placode two.
Preferably, be provided with connecting rod between two described fluid cylinder cylinder caps.
Be that connecting rod is set between the cylinder cap inactive of two fluid cylinders, two fluid cylinders and two top drive guide rails are linked as an integral body, thereby are shrinking or during elongation, increasing rigidity, stability and the reliability of contraction type derrick described in the utility model at the fluid cylinder rod end.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
Derrick described in the utility model is realized aspect folding and the contraction of two supporting legs of derrick by the fluid cylinder closing device is set, simple to operate, convenient transport has been saved cost of transportation, has improved operating efficiency; And cursor slide is connected with supporting leg one, supporting leg two by detachable otic placode three, perhaps slide block is connected with supporting leg one, supporting leg two by detachable otic placode six, has increased the integral rigidity of derrick, and the derrick job stability, derrick is better closed up, dwindle more the convenient transportation in space.
Description of drawings
Fig. 1 is existing telescope pole structural representation.
Fig. 2 is the contraction type derrick that contains two top drive guide rails described in the utility model structural representation when opening;
Fig. 3 is the partial structurtes enlarged diagram among Fig. 2.
Fig. 4 is the contraction type derrick lateral view that contains two top drive guide rails described in the utility model;
Fig. 5 is the partial structurtes enlarged diagram among Fig. 4.
Fig. 6 is the contraction type derrick that contains two top drive guide rails described in the utility model structural representation when closed.
Fig. 7 is the contraction type derrick that contains a top drive guide rail described in the utility model structural representation when opening.
Fig. 8 is the contraction type derrick that contains a top drive guide rail described in the utility model structural representation when closed.
Mark among the figure:
01, overhead traveling crane assembly, 02, the derrick monomer, 03, workbench, 04, link, 05, supporting leg, 06, bearing pin;
1, supporting leg one, 2, supporting leg two, 3, top drive guide rail, 4, fluid cylinder, 5, guide groove, 6, linking arm, 7, cursor slide, 8, otic placode one, 9, otic placode two, 10, otic placode three, 11, otic placode four, 12, slide block, 13, otic placode five, 14, connecting rod, 15, connector.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Shown in Fig. 2-6, a kind of contraction type derrick, two supporting legs are supporting leg 1, supporting leg 22 about comprising, supporting leg 1 and supporting leg 22 tops are hinged on the connector 15, are provided with the closing device that can make supporting leg 1, supporting leg 22 mutually open or close up between supporting leg 1, the supporting leg 22.Wherein closing device comprises two top drive guide rails 3 that are installed in respectively on the connector 15, and wherein each top drive guide rail 3 is provided with fluid cylinder 4 and guide groove 5, and guide groove 5 two ends are sealed; Two fluid cylinder 4 boom ends are connected with a cursor slide 7, bottom, cursor slide 7 two ends is connected on two guide grooves 5, and cursor slide 7 can be along guide groove 5 relative slidings, and cursor slide 7 both ends also are respectively equipped with 6, two linking arms of linking arm 6 and interconnect with respective leg 1 or supporting leg 22.
Top drive guide rail 3 interconnects by otic placode 1 with fluid cylinder 4 in the present embodiment, two linking arms 6 and supporting leg 1, supporting leg 22 is to interconnect respectively by otic placode 29, cursor slide 7 is by detachable otic placode 3 10 and supporting leg 1, supporting leg 22 interconnects, the reason that adopts detachable otic placode 3 10 is at supporting leg 1, when supporting leg 22 opens, top drive guide rail 3, fluid cylinder 4, cursor slide 7, linking arm 6 can with supporting leg 1, supporting leg 22 connects into as a whole, and between two fluid cylinder 4 cylinder caps, connecting rod 14 is set, thereby can increase the integral rigidity of derrick, and strengthen the derrick job stability; When supporting leg 1, supporting leg 22 closure, can only dismantle otic placode 3 10, and need not remove whole closing device, just can remove the constraint of cursor slide 7 pairs of supporting legs 1, supporting leg 22, namely just remove being fixedly connected with between closing device and two supporting legs, realize flexible connection, then can better close up derrick, dwindled more the space.
During operation, at first open supporting leg 1, supporting leg 23, drive fluid cylinder 4 rod ends of closing device by linking arm 6, along chute toward lower slider, until sliding, linking arm 6, cursor slide 7, fluid cylinder 4 put in place, cursor slide 7 is interconnected with supporting leg 2, supporting leg 23 by detachable otic placode 3 10, closing device just interfixes with supporting leg 1, supporting leg 23 and is firmly stable so again, and derrick just can have been started working; When the complete needs of work are packed up, disassemble otic placode 3 10, cursor slide 7 has lost with supporting leg 2, supporting leg 23 and has interfixed, then closing device has become flexible connection, pack up supporting leg 1, supporting leg 23, linking arm 6 drives cursor slide 7 and slides at chute, and then drives fluid cylinder 4 rod end indentation fluid cylinders 4 cylindrical shells, until supporting leg 1, supporting leg 23 fold and put in place.
In addition, shown in Fig. 7,8, closing device can also be to comprise a top drive guide rail 3 that is installed on the connector 15, wherein top drive guide rail 3 is provided with the guide groove 5 of fluid cylinder 4 and closed at both ends, fluid cylinder 4 boom ends are connected with can be along the slide block 12 of guide groove 5 slips, and slide block 12 is provided with two linking arms 6 and interconnects with supporting leg 1, supporting leg 22 respectively.Its derrick realizes opening, closed principle is the same with the above-mentioned derrick way of example that contains two top drive guide rails 3.
Contraction type derrick described in the utility model is realized folding and the contraction of two supporting legs of derrick by fluid cylinder 4 is set, simple to operate, convenient transport has been saved cost of transportation, has improved operating efficiency; Cursor slide 7 is connected with supporting leg 1, supporting leg 23 by detachable otic placode six (not marking among the figure) by detachable otic placode 3 10 or slide block 12, can increase integral rigidity and the derrick job stability of derrick, can make and better close up derrick, can further dwindle the convenient transportation in space.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. contraction type derrick, two supporting legs are supporting leg one (1), supporting leg two (1) about comprising, described supporting leg one (1) and described supporting leg two (2) tops are hinged on the connector (15), it is characterized in that, be provided with the closing device that can make supporting leg one (1), supporting leg two (2) mutually open or close up between described supporting leg one (1), the supporting leg two (2).
2. contraction type derrick according to claim 1, it is characterized in that, described closing device comprises a top drive guide rail (3) that is installed on the described connector (15), described top drive guide rail (3) is provided with the guide groove (5) of fluid cylinder (4) and closed at both ends, described fluid cylinder (4) boom end is connected with can be along the slide block (12) of described guide groove (5) slip, and described slide block (12) is provided with two linking arms (6) and interconnects with supporting leg one (1), supporting leg two (2) respectively.
3. contraction type derrick according to claim 1, it is characterized in that, described closing device comprises two top drive guide rails (3) that are installed in respectively on the described connector (15), wherein each top drive guide rail (3) is provided with the guide groove (5) of fluid cylinder (4) and closed at both ends, described two fluid cylinders (4) boom end is connected with a cursor slide (7), bottom, described cursor slide (7) two ends is connected to two described guide grooves (5) upward and cursor slide (7) can be along guide groove (5) relative sliding, and described cursor slide (7) both ends are provided with linking arm (6) and interconnect with respective leg one (1) or supporting leg two (2).
4. contraction type derrick according to claim 2 is characterized in that, described slide block (4) interconnects by otic placode five (13) with described linking arm (6).
5. contraction type derrick according to claim 2 is characterized in that, described slide block (4) interconnects with described supporting leg one (1), supporting leg two (2) by detachable otic placode six.
6. contraction type derrick according to claim 3 is characterized in that, described cursor slide (7) interconnects by otic placode four (11) with described linking arm (6).
7. contraction type derrick according to claim 3 is characterized in that, described cursor slide (7) interconnects with described supporting leg one (1), supporting leg two (2) by detachable otic placode three (10).
8. according to claim 2 or 3 arbitrary described contraction type derricks, it is characterized in that, described top drive guide rail (3) interconnects by otic placode one (8) with fluid cylinder (4), and described linking arm (6) interconnects by otic placode two (9) with supporting leg one (1), supporting leg two (2).
9. contraction type derrick according to claim 3 is characterized in that, is provided with connecting rod (14) between two described fluid cylinders (4) cylinder cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604438 CN202866666U (en) | 2012-11-15 | 2012-11-15 | Retractable headframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604438 CN202866666U (en) | 2012-11-15 | 2012-11-15 | Retractable headframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202866666U true CN202866666U (en) | 2013-04-10 |
Family
ID=48033392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220604438 Withdrawn - After Issue CN202866666U (en) | 2012-11-15 | 2012-11-15 | Retractable headframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202866666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913138A (en) * | 2012-11-15 | 2013-02-06 | 四川宏华石油设备有限公司 | Retractable derrick |
-
2012
- 2012-11-15 CN CN 201220604438 patent/CN202866666U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913138A (en) * | 2012-11-15 | 2013-02-06 | 四川宏华石油设备有限公司 | Retractable derrick |
| CN102913138B (en) * | 2012-11-15 | 2015-06-10 | 四川宏华石油设备有限公司 | Retractable derrick |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130410 Effective date of abandoning: 20150610 |
|
| RGAV | Abandon patent right to avoid regrant |