CN205136769U - Gate lead screw extension device - Google Patents

Gate lead screw extension device Download PDF

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Publication number
CN205136769U
CN205136769U CN201520884239.XU CN201520884239U CN205136769U CN 205136769 U CN205136769 U CN 205136769U CN 201520884239 U CN201520884239 U CN 201520884239U CN 205136769 U CN205136769 U CN 205136769U
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China
Prior art keywords
screw mandrel
main body
bar main
extension bar
clamping engagement
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CN201520884239.XU
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Chinese (zh)
Inventor
王进俭
卢延生
尹生平
袁秀莲
温玉新
徐丽
罗李黎
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Petrochina Co Ltd
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Petrochina Co Ltd
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Abstract

The utility model provides a gate lead screw extension device, include: an extension bar main body (10); the first mounting part (20) is arranged at the first end of the extension bar main body (10), the first mounting part (20) comprises a mounting hole (21), and the mounting hole (21) is provided with a first rotation stopping structure; the second installation part (30) is arranged at the second end of the extension bar main body (10), the second installation part (30) comprises an installation block (31), and the installation block (31) is provided with a second rotation stopping structure. The technical scheme of the utility model the gate hand wheel card that can solve among the prior art can't install on barriers such as heat preservation box effectively, thereby lead to the problem of gate switch difficulty.

Description

Gate screw mandrel length extension device
Technical field
The utility model relates to gate technical field, in particular to a kind of gate screw mandrel length extension device.
Background technique
At present, due to Xinjiang region winter temperature lower (at subzero more than 10 to 20 degree), oil pumping machine well head all needs to be undertaken being incubated by lagging facility just can pass the winter, and in above-mentioned lagging facility, incubation chamber is the most common.Above-mentioned pumping unit has packing box and is positioned at the rubber gate below above-mentioned packing box, when the packing in packing box occurs that oil gas is revealed, can close rubber gate, cut off borehole pressure, pressure in emptying packing box, thus carry out the operation of replacing packing, ensure the normal production of pumping unit.
In the prior art, oil pumping machine well head is generally divided into common well head and decentralized wellhead two kinds.Wherein, decentralized wellhead has a set of looped pipeline device of downforce of logging well that is used for, and this looped pipeline device also will need to be buckled in inside incubation chamber to be incubated in the winter time.Therefore, the height of the incubation chamber of decentralized wellhead is higher, and this top to such an extent as to be not closed completely just causing the rubber gate handwheel of eccentric well can be stuck in incubation chamber maybe cannot be rotated, and even causes rubber gate handwheel cannot install at all.Simultaneously, according to existing mode of operation, if there is no special circumstances throughout the year, incubation chamber can not often be dismantled, and for the ease of producing, incubation chamber is generally unified make (namely measure-alike), but the height on each pumping unit distance ground has deviation, and the incubation chamber edge to such an extent as to be not closed completely that valve spider handle also can be stuck in incubation chamber because of incubation chamber size in use maybe cannot rotate.
In actual production work, when closed shutter, the top that can be stuck in incubation chamber due to valve spider handle cannot be installed, and can only block the cubic end on gate screw mandrel with adjustable spanner, thus closed shutter, waste time and energy.If there is dangerous situation when needing timely closed shutter, above-mentioned situation just causes can not closed shutter rapidly, thus the delay time at stop, bring a lot of unsafe factor to operation item, speedily carry out rescue work etc.
Model utility content
Main purpose of the present utility model is to provide a kind of gate screw mandrel length extension device, is stuck in solve valve spider handle of the prior art the obstacles such as incubation chamber cannot installs thus cause the problem of knife switch difficulty.
To achieve these goals, the utility model provides a kind of gate screw mandrel length extension device, comprising: extension bar main body; First assembly department, is arranged on the first end of extension bar main body, and the first assembly department comprises mounting hole, and mounting hole has the first spline structure; Second assembly department, be arranged on the second end of extension bar main body, the second assembly department comprises mounting blocks, and mounting blocks has the second spline structure.
Further, first spline structure comprises at least two the first clamping engagement faces connected in turn, between adjacent two the first clamping engagement faces, there is the first angle, and/or, second spline structure comprises at least two the second clamping engagement faces connected in turn, has the second angle between adjacent two the second clamping engagement faces.
Further, the axial direction that gate screw mandrel length extension device also comprises along extension bar main body extends and is arranged on the joint between extension bar main body and the first assembly department, and joint has receiving cavity, and receiving cavity is communicated with mounting hole.
Further, receiving cavity has opening, and opening is arranged in the circumferential side wall of receiving cavity.
Further, joint comprises the connecting plate that the axial direction along extension bar main body stretches out to the first end away from extension bar main body, and connecting plate surrounds receiving cavity.
Further, connecting plate comprises two daughter board sections be oppositely arranged, and forms receiving cavity between two daughter board sections.
Further, one end away from extension bar main body that the first assembly department is arranged on connecting plate is arranged to make interval between the end face of the first end of the first assembly department and extension bar main body.
Further, the second assembly department also comprises the fixed block that the axial direction along extension bar main body stretches out to the second end away from extension bar main body, and mounting blocks is between fixed block and extension bar main body.
Further, fixed block has thread section.
Further, the first clamping engagement face is plane, and the first spline structure comprises four the first clamping engagement faces connected in turn, and four the first clamping engagement faces between two one group be oppositely arranged; Second clamping engagement face is plane, and the second spline structure comprises four the second clamping engagement faces connected in turn, and four the second clamping engagement faces between two one group be oppositely arranged.
Application the technical solution of the utility model, at the first end of extension bar main body, the first assembly department is set, at the second end of extension bar main body, the second assembly department is set, wherein, first assembly department comprises mounting hole, this mounting hole has the first spline structure, and the second assembly department comprises mounting blocks, and this mounting blocks has the second spline structure.When installing gate screw mandrel length extension device, first the end of gate screw mandrel is inserted in mounting hole, and by first of the first spline structure and this gate screw mandrel end, auxiliary section (being such as successively set on four rectangle planes on the outer circumferential surface of gate screw mandrel) clamping engagement is installed, again handwheel sleeve is located on mounting blocks, and second in the center hole of the second spline structure and this handwheel is installed auxiliary section (being such as successively set on four rectangle planes on the hole wall of the center hole of handwheel) clamping engagement, thus realize the lengthening to gate screw mandrel.Gate screw mandrel can be driven to rotate when rotating handwheel, thus realize switch gate, make more convenient to operate.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment according to gate screw mandrel length extension device of the present utility model;
Fig. 2 shows the schematic front view of the gate screw mandrel length extension device of Fig. 1;
Fig. 3 shows the schematic top plan view of the gate screw mandrel length extension device of Fig. 1; And
Fig. 4 shows the schematic side view of the gate screw mandrel length extension device of Fig. 1.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, extension bar main body; 11, flange connector; 20, the first assembly department; 21, mounting hole; 211, the first clamping engagement face; 30, the second assembly department; 31, mounting blocks; 311, the second clamping engagement face; 32, fixed block; 40, joint; 41, receiving cavity; 42, connecting plate; 421, daughter board section.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
It is noted that following detailed description is all exemplary, be intended to provide further instruction to the application.Unless otherwise, all technology used herein and scientific terminology have the identical meanings usually understood with the application person of an ordinary skill in the technical field.
It should be noted that used term is only to describe embodiment here, and be not intended to the illustrative embodiments of restricted root according to the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative is also intended to comprise plural form, in addition, it is to be further understood that, " comprise " when using term in this manual and/or " comprising " time, it indicates existing characteristics, step, operation, device, assembly and/or their combination.
It should be noted that, term " first ", " second " etc. in the specification of the application and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as the embodiment example of the application described herein if with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
For convenience of description, here can usage space relative terms, as " ... on ", " in ... top ", " at ... upper surface ", " above " etc., be used for the spatial relation described as a device shown in the figure or feature and other devices or feature.Should be understood that, space relative terms is intended to comprise the different azimuth in use or operation except the described in the drawings orientation of device.Such as, " in other devices or structure below " or " under other devices or structure " will be positioned as after if the device in accompanying drawing is squeezed, being then described as the device of " above other devices or structure " or " on other devices or structure ".Thus, exemplary term " in ... top " can comprise " in ... top " and " in ... below " two kinds of orientation.This device also can other different modes position rotating 90 degree or be in other orientation, and relatively describe space used here and make respective explanations.
As shown in Figures 1 to 4, the gate screw mandrel length extension device of the present embodiment is used for the lengthening of the screw mandrel of the gate (rubber gate, production gate etc.) to beam pumping unit well.The gate screw mandrel length extension device of the present embodiment comprises extension bar main body 10, first assembly department 20 and the second assembly department 30.Wherein, the first assembly department 20 is arranged on the first end of extension bar main body 10.First assembly department 20 comprises mounting hole 21, and mounting hole 21 has the first spline structure.Second assembly department 30 is arranged on the second end of extension bar main body 10.Second assembly department 30 comprises mounting blocks 31.Mounting blocks 31 has the second spline structure.Wherein, first spline structure comprises four the first clamping engagement faces 211 connected in turn, and four the first clamping engagement faces 211 between two one group be oppositely arranged, first clamping engagement face 211 is plane, between adjacent two the first clamping engagement faces 211, there is the first angle, first angle is 90 degree, and the hole wall that namely four the first clamping engagement faces 211 form mounting hole 21 makes this mounting hole 21 become rectangular opening.Second spline structure comprises four the second clamping engagement faces 311 connected in turn, and four the second clamping engagement faces 311 between two one group be oppositely arranged, second clamping engagement face 311 is plane, between adjacent two the second clamping engagement faces 311, there is the second angle, second angle is 90 degree, and namely four the second clamping engagement faces 311 are for being arranged on four rectangle planes on the outer circumferential surface of mounting blocks 31.
The gate screw mandrel length extension device of application the present embodiment, at the first end of extension bar main body 10, the first assembly department 20 is set, at the second end of extension bar main body 10, the second assembly department 30 is set, wherein, first assembly department 20 comprises mounting hole 21, this mounting hole 21 has the first spline structure, above-mentioned first spline structure comprises four the first clamping engagement faces 211 connected in turn, second assembly department 30 comprises mounting blocks 31, this mounting blocks 31 has the second spline structure, and above-mentioned second spline structure comprises four the second clamping engagement faces 311 connected in turn.When installing gate screw mandrel length extension device, first the end of gate screw mandrel is inserted in mounting hole 21, and by four the first clamping engagement faces 211 and four rectangle plane clamping engagement on the outer circumferential surface of this gate screw mandrel end, again handwheel sleeve is located on mounting blocks 31, and by four the second clamping engagement faces 311 and four rectangle plane clamping engagement on the hole wall in the center hole of this handwheel, thus realize the lengthening to gate screw mandrel.Gate screw mandrel can be driven to rotate when rotating handwheel, thus realize switch gate, make more convenient to operate.
It should be noted that, in the present embodiment, first spline structure is four the first clamping engagement faces 211 connected successively, second spline structure is four the second clamping engagement faces 311 connected successively, wherein, four the first clamping engagement faces 211 are arranged on rubber gate or produce on four rectangle planes on the outer surface of gate screw mandrel, certainly, the structure of the first spline structure and the second spline structure is not limited thereto, in other mode of executions unshowned in the drawings, can design according to the installation auxiliary section concrete shape on the center hole of gate screw mandrel and handwheel, such as the first clamping engagement face 211 only can be set to two that are oppositely arranged, second clamping engagement face 311 is also only set to two that are oppositely arranged, as long as ensure that clamping engagement face can clamp gate screw mandrel or handwheel, also can change the length extension device being specifically dimensioned to the rectangle plane size fit washing the screw mandrel of gate with sleeve gate or heat, thus lengthen for the screw mandrel of these two kinds of gates.
As shown in Figures 1 to 4, in the gate screw mandrel length extension device of the present embodiment, the axial direction that gate screw mandrel length extension device also comprises along extension bar main body 10 extends and is arranged on the joint 40 between extension bar main body 10 and the first assembly department 20.Joint 40 has receiving cavity 41.Receiving cavity 41 is communicated with mounting hole 21.When installing gate screw mandrel length extension device, the end of gate screw mandrel needs to be inserted in mounting hole 21, and toward contact, there is one section of threaded stem outside four rectangle planes of gate screw mandrel end, above-mentioned receiving cavity 41 may be used for holding this threaded stem, thus the first clamping engagement face 211 of guarantee can coordinate better with four rectangle planes of gate screw mandrel end.
As shown in Figure 1 to Figure 3, in the gate screw mandrel length extension device of the present embodiment, joint 40 comprises the connecting plate 42 stretched out along the axial direction of extension bar main body 10 to the first end away from extension bar main body 10.Connecting plate 42 comprises between two daughter board sections be oppositely arranged, 421, two daughter board sections 421 and forms receiving cavity 41.When installing gate screw mandrel length extension device, the end of gate screw mandrel needs to be inserted in mounting hole 21, threaded stem outside four rectangle planes of gate screw mandrel end is contained in receiving cavity 41, due to through before and after above-mentioned receiving cavity 41, set screw nut can be arranged on the threaded stem of gate screw mandrel at this receiving cavity 41 place by operator, thus realize, to the first end of gate screw mandrel and the extra fixing of gate screw mandrel length extension device, strengthen and fixed effect being installed.Meanwhile, above-mentioned connecting plate 42 structure is simple, is easy to manufacture, easy to connect.In the present embodiment, the first end of extension bar main body 10 has flange connector 11, and joint 40 is connected on flange connector 11.
It should be noted that, the structure of joint 40 and receiving cavity 41 is not limited thereto, in other mode of executions unshowned in the drawings, joint can be a connecting plate, this connecting plate surrounds receiving cavity, and receiving cavity has opening, and opening is arranged in the circumferential side wall of receiving cavity.When installing gate screw mandrel length extension device, the end of gate screw mandrel needs to be inserted in mounting hole, threaded stem outside four rectangle planes of gate screw mandrel end is contained in receiving cavity, because above-mentioned receiving cavity has opening, set screw nut can be arranged on the threaded stem of gate screw mandrel at this opening by operator, thus also can realize, to the first end of gate screw mandrel and the extra fixing of gate screw mandrel length extension device, strengthen and fixed effect being installed.
As shown in Figure 1 to Figure 3, in the gate screw mandrel length extension device of the present embodiment, one end away from extension bar main body 10 that the first assembly department 20 is arranged on connecting plate 42 is arranged to make interval between the end face of the first end of the first assembly department 20 and extension bar main body 10.
As shown in Figure 1 to Figure 3, in the gate screw mandrel length extension device of the present embodiment, the second assembly department 30 also comprises the fixed block 32 that the axial direction along extension bar main body 10 stretches out to the second end away from extension bar main body 10.Mounting blocks 31 is between fixed block 32 and extension bar main body 10.Handwheel sleeve is being located at after on mounting blocks 31, four the second clamping engagement faces 311 and four rectangle plane clamping engagement on the hole wall in the center hole of this handwheel connected successively, now, above-mentioned fixing piece 32 additionally can be fixed handwheel and gate screw mandrel length extension device, strengthens and installs fixed effect.In the present embodiment, fixed block 32 has thread section, set screw nut can be arranged on this fixed block 32 by operator, thus it is fixing to realize the second assembly department 30 of handwheel and gate screw mandrel length extension device.
In the gate screw mandrel length extension device of the present embodiment, the axis of the mounting hole 21 of the first assembly department 20 and the dead in line of extension bar main body 10, the hole depth of this mounting hole 21 is 16mm, the receiving cavity 41 of joint 40 is 30mm along the degree of depth of the axial direction of extension bar main body 10, the length of the mounting blocks 31 of the second assembly department 30 is 16mm, the length of fixed block 32 is 16mm, and the screw thread specification on this fixed block 32 is Φ 14mm.When installing gate screw mandrel length extension device, first mounting hole 21 is arranged on four rectangle planes of gate screw mandrel, be fixed with the set screw nut that specification is Φ 22mm, again handwheel sleeve is located on four the second clamping engagement faces 311 of mounting blocks 31, same specification is that the set screw nut of Φ 22mm is fixed, and so just serves the effect that gate screw mandrel is lengthened.Gate screw mandrel can be driven to rotate when rotating handwheel, thus realize switch gate, make more convenient to operate.Said structure avoids the operation inconvenience brought because of incubation chamber, achieve normal switch rubber gate and produce gate, ensure that installations and facilities integrity, not only eliminating when there is dangerous situation can not the potential safety hazard brought of closed shutter rapidly, also reduce the operating time, rate when improve oil pumping, alleviates the labor intensity of operator.
Present first production station has so eccentric Jing110Kou, if carry out the incubation chamber transformation of decentralized wellhead, every mouthful of well improvement expenses is 1000 yuan, amounts to needs 110000 yuan.And gate screw mandrel length extension device processing charges of the present embodiment is 130 yuan, a bite well needs 2, the expense of a bite well is 260 yuan, 110 mouthfuls of wells amount to needs 28600 yuan, compared with transformation incubation chamber, 81400 yuan can be saved, therefore, use above-mentioned gate screw mandrel length extension device more to save cost of production, thus larger economic benefit can be produced.In addition, this gate screw mandrel length extension device structure is simple, and easy to operate, cost is low, practical, without the need to dismantling after installing, is applicable to very much promoting the use of again.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. a gate screw mandrel length extension device, is characterized in that, comprising:
Extension bar main body (10);
First assembly department (20), is arranged on the first end of described extension bar main body (10), and described first assembly department (20) comprises mounting hole (21), and described mounting hole (21) has the first spline structure;
Second assembly department (30), is arranged on the second end of described extension bar main body (10), and described second assembly department (30) comprises mounting blocks (31), and described mounting blocks (31) has the second spline structure.
2. gate screw mandrel length extension device according to claim 1, it is characterized in that, described first spline structure comprises at least two the first clamping engagement faces (211) connected in turn, between adjacent two described first clamping engagement faces (211), there is the first angle, and/or, described second spline structure comprises at least two the second clamping engagement faces (311) connected in turn, has the second angle between adjacent two described second clamping engagement faces (311).
3. gate screw mandrel length extension device according to claim 1 and 2, it is characterized in that, the axial direction that described gate screw mandrel length extension device also comprises along described extension bar main body (10) extends and is arranged on the joint (40) between described extension bar main body (10) and described first assembly department (20), described joint (40) has receiving cavity (41), and described receiving cavity (41) is communicated with described mounting hole (21).
4. gate screw mandrel length extension device according to claim 3, is characterized in that, described receiving cavity (41) has opening, and described opening is arranged in the circumferential side wall of described receiving cavity (41).
5. gate screw mandrel length extension device according to claim 3, it is characterized in that, described joint (40) comprises the connecting plate (42) that the axial direction along described extension bar main body (10) stretches out to the first end away from described extension bar main body (10), and described connecting plate (42) surrounds described receiving cavity (41).
6. gate screw mandrel length extension device according to claim 5, it is characterized in that, described connecting plate (42) comprises two daughter board sections (421) be oppositely arranged, and forms described receiving cavity (41) between two described daughter board sections (421).
7. gate screw mandrel length extension device according to claim 5, it is characterized in that, one end away from described extension bar main body (10) that described first assembly department (20) is arranged on described connecting plate (42) is arranged to make interval between the end face of the first end of described first assembly department (20) and described extension bar main body (10).
8. gate screw mandrel length extension device according to claim 1, it is characterized in that, described second assembly department (30) also comprises the fixed block (32) that the axial direction along described extension bar main body (10) stretches out to the second end away from described extension bar main body (10), and described mounting blocks (31) is positioned between described fixed block (32) and described extension bar main body (10).
9. gate screw mandrel length extension device according to claim 8, is characterized in that, (32) have thread section with described fixed block.
10. gate screw mandrel length extension device according to claim 2, is characterized in that,
Described first clamping engagement face (211) is plane, described first spline structure comprises four the described first clamping engagement faces (211) connected in turn, and four described first clamping engagement faces (211) between two one group be oppositely arranged;
Described second clamping engagement face (311) is plane, described second spline structure comprises four the described second clamping engagement faces (311) connected in turn, and four described second clamping engagement faces (311) between two one group be oppositely arranged.
CN201520884239.XU 2015-11-06 2015-11-06 Gate lead screw extension device Active CN205136769U (en)

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Application Number Priority Date Filing Date Title
CN201520884239.XU CN205136769U (en) 2015-11-06 2015-11-06 Gate lead screw extension device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520884239.XU CN205136769U (en) 2015-11-06 2015-11-06 Gate lead screw extension device

Publications (1)

Publication Number Publication Date
CN205136769U true CN205136769U (en) 2016-04-06

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Application Number Title Priority Date Filing Date
CN201520884239.XU Active CN205136769U (en) 2015-11-06 2015-11-06 Gate lead screw extension device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107630896A (en) * 2016-07-18 2018-01-26 天津市天龙得冷成型部件有限公司 The bolt of adjustable in length

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107630896A (en) * 2016-07-18 2018-01-26 天津市天龙得冷成型部件有限公司 The bolt of adjustable in length

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