CN105275799A - Wedge-shaped pressing structure of lower guide plate in cross head of drilling pump - Google Patents
Wedge-shaped pressing structure of lower guide plate in cross head of drilling pump Download PDFInfo
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- CN105275799A CN105275799A CN201510783567.5A CN201510783567A CN105275799A CN 105275799 A CN105275799 A CN 105275799A CN 201510783567 A CN201510783567 A CN 201510783567A CN 105275799 A CN105275799 A CN 105275799A
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- wedge
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- wedge shape
- guide plate
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Abstract
The invention discloses a wedge-shaped pressing structure of a lower guide plate in a cross head of a drilling pump. The wedge-shaped pressing structure comprises a plurality of guide plate supports, a base plate and a machine frame front cross wall board, wherein the multiple guide plate supports, the base plate and the machine frame front cross wall board are coaxially sequentially arranged on a machine frame support. A wedge-shaped check block is fixed to the two guide plate supports at the rear end. A downward lower shoulder is arranged at the front end of the wedge-shaped check block. An upper shoulder is arranged upwards at the rear end of the wedge-shaped check block. Two bosses provided with inclined faces are arranged on the inner surface of the upper shoulder. The two bosses are clamped in inclined-face steps at the rear end of a lower guide plate. A front end wedge-shaped support is installed on the upper surface of the base plate. Two wedge-shaped tables are symmetrically fixed to the upper surface of the front end wedge-shaped support. The portions, closely adjacent to each other, at the rear sides of the two wedge-shaped tables are each provided with a wedge-shaped pressing block. Each wedge-shaped pressing block is provided with a front wedge-shaped face and a rear wedge-shaped face, and the front wedge-shaped face and the rear wedge-shaped face of each wedge-shaped pressing block are in contact with the wedge-shaped table of the front end wedge-shaped support and a wedge-shaped groove of the lower guide plate respectively. The wedge-shaped pressing structure is easy and convenient to replace and operate.
Description
Technical field
The invention belongs to petroleum machinery equipment technical field, relate to a kind of drilling pump cross head bottom guide wedge pressure locking structure.
Background technique
Bottom guide in current drilling pump cross head assembly all adopts four to be bolted on drilling pump framework, when changing bottom guide, first all for crosshead component are needed to pull down, then by the macropore of frame front end cross wall plate, four bolts are pulled down, because two, rear end bolt distance front end cross wall plate is far away, assembling-disassembling bolt operation is very inconvenient, especially the dismounting for triplex pump (or five cylinder pumps) center crosshead guide plate is more inconvenient, thus cause changing in bottom guide process, labor intensity is larger, and service cycle is longer, inefficiency.
Summary of the invention
The object of this invention is to provide a kind of drilling pump cross head bottom guide wedge pressure locking structure, solve prior art when changing bottom guide, dismounting crosshead component are wasted time and energy, and labor intensity is large, the problem of operating difficulties.
The technical solution adopted in the present invention is, a kind of drilling pump cross head bottom guide wedge pressure locking structure, comprises frame bearing, cross wall plate before frame upper surface of support is coaxially installed with multiple guide plate bearing, a backing plate and a frame from back to front successively;
Two guide plate bearing circular arcs of rear end are installed with a wedge-shaped catch jointly; Wedge-shaped catch front end is provided with downward lower shoulder, the guide plate bearing sidewall of this lower shoulder and below is close to, wedge-shaped catch rear end is upwards provided with upper shoulder, the guide plate bearing sidewall alien invasion of this upper shoulder outer surface and below is coplanar, and this upper shoulder internal surface is provided with two bevelled boss of tool, these two boss and the incline bench clamping of bottom guide rear end;
Be provided with two positioning plates two between backing plate and adjacent guide plate bearing, be provided with front end wedge shape bearing at backing plate upper surface, before the front-end face of front end wedge shape bearing and frame, cross wall plate holds out against; Front end wedge shape upper surface of support symmetry is fixedly installed two wedge shape platforms, and on rear side of these two wedge shape platforms, immediate vicinity is respectively arranged with a wedge shape briquetting; Each wedge shape briquetting is provided with front and back sphenoid surface, contacts respectively with the wedge shape platform of front end wedge shape bearing with the wedge slot of bottom guide.
Drilling pump cross head bottom guide wedge pressure locking structure of the present invention, is further characterized in that:
Each wedge shape briquetting is connected with front end wedge shape bearing by housing screw two and supporting spring washer.
Have waist shaped hole in wedge shape briquetting, the stub end of housing screw two is placed in this waist shaped hole.
Bottom guide is without shoulder structure, has wedge slot, be processed with incline bench in its back-end in its front end.
Wedge-shaped catch is fixedly connected with by housing screw three and positioning plate one and this two guide plate bearings, and positioning plate one is arranged in the horizontal slot of two guide plate bearing lower surfaces.
The invention has the beneficial effects as follows, adopt wedge pressure locking structure, reached the object of bottom guide being fixed to (location of axis and circumferencial direction) by the method for the voussoir housing screw tightening frame front end; Adopting the bottom guide without shoulder, when not dismantling crosshead, directly guide plate can be changed by front cross wall plate macropore pull-out when changing guide plate.Be fixed bottom guide by this structure, make to change bottom guide simple to operate, due to the auto-lock function of wedge-shaped clamping mechanism, the bottom guide that is in operation can not produce loosening phenomenon; In addition, because the bottom guide periphery in this structure does not have locating shoulder, when bottom guide changed by needs, can (make crosshead retreat to rear limit when raising crosshead and depart from bottom guide inner arc surface), bottom guide directly be pulled out by front cross wall plate macropore and changes.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of apparatus of the present invention;
Fig. 2 is cross wall plate 6 mounting structure schematic diagram before guide plate bearing 3 in the present invention, backing plate 5, frame;
Fig. 3 is the structural representation of the wedge-shaped catch 14 in the present invention;
Fig. 4 is the structural representation of the front end wedge shape bearing 8 in the present invention;
Fig. 5 is the structural representation of the wedge shape briquetting 9 in the present invention;
Fig. 6 is the structural representation of the bottom guide 12 in the present invention;
Fig. 7 is the structure diagram after apparatus of the present invention and bottom guide 12 have assembled.
In figure, 1. frame bearing, 2. positioning plate one, 3. guide plate bearing, 4. positioning plate two, 5. backing plate, 6. cross wall plate before frame, 7. housing screw one, 8. front end wedge shape bearing, 9. wedge shape briquetting, 10. spring washer, 11. housing screws two, 12. bottom guides, 13. housing screw three, 14. wedge-shaped catch, 15. boss, 16. wedge shape platforms.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
With reference to Fig. 1, Fig. 2, Fig. 7, structure of the present invention is, comprise the frame bearing 1 as installing main body, cross wall plate 6 before coaxially fixed installation (welding) has multiple guide plate bearing 3, backing plate 5 and a frame successively from back to front at frame bearing 1 upper surface; The upper surface of each guide plate bearing 3 is that circular arc coordinates with bottom guide 12 lower surface and contacts, two guide plate bearing 3 circular arcs of rear end are installed with a wedge-shaped catch 14 jointly, this wedge-shaped catch 14 is fixedly connected with by housing screw 3 13 and positioning plate 1 and this two guide plate bearings 3, positioning plate 1 is arranged in the horizontal slot of two guide plate bearing 3 lower surfaces, and positioning plate 1 and housing screw 3 13 are strained and made wedge-shaped catch 14 be pressed on two guide plate bearing 3 circular arcs;
See Fig. 3, wedge-shaped catch 14 front end is provided with downward lower shoulder, guide plate bearing 3 sidewall of this lower shoulder and below is close to, wedge-shaped catch 14 rear end is upwards provided with upper shoulder, the guide plate bearing 3 sidewall alien invasion of this upper shoulder outer surface and below is coplanar, and this upper shoulder internal surface is provided with two bevelled boss 15 of tool, these two boss 15 and the incline bench clamping of bottom guide 12 rear end; Be provided with two positioning plates 24 between backing plate 5 and adjacent guide plate bearing 3, be provided with front end wedge shape bearing 8 at backing plate 5 upper surface by two housing screws 1, before the front-end face of front end wedge shape bearing 8 and frame, cross wall plate 6 holds out against;
See Fig. 4, front end wedge shape bearing 8 is movable component, front end wedge shape bearing 8 upper surface symmetry is fixedly installed two wedge shape platforms 16, on rear side of these two wedge shape platforms 16, immediate vicinity is respectively arranged with a wedge shape briquetting 9, wedge shape briquetting 9 is knockdown pieces, each wedge shape briquetting 9 is provided with front and back sphenoid surface, contacts respectively with front end wedge shape bearing 8 wedge shape platform 16 with the wedge slot of bottom guide 12;
Each wedge shape briquetting 9 is connected with front end wedge shape bearing 8 by housing screw 2 11 and supporting spring washer 10, makes wedge shape briquetting 9 wedge between front end wedge shape bearing 8 and bottom guide 12 ear end face by tightening housing screw 2 11; Because two boss 15 of wedge-shaped catch 14 are stuck on the incline bench of bottom guide 12 rear end, wedge shape briquetting 9 is wedged between bottom guide 12 wedge slot and front end wedge shape bearing 8, and then realization is to the axial restraint of the rear and front end of bottom guide 12 and clamping;
See Fig. 5, waist shaped hole is had in wedge shape briquetting 9, the stub end of housing screw 2 11 is placed in this waist shaped hole, wedge shape briquetting 9 can be moved axially with housing screw 11 certain distance, when housing screw 11 compresses wedge shape briquetting 9, due to the locking effect of wedge shape, and then can to compress bottom guide 12 and locked;
See Fig. 6, match with aforesaid structure, bottom guide 12 is set to without shoulder structure, wedge slot is had in its front end, be processed with incline bench in its back-end, make bottom guide 12 front end and back end form different wedge mechanisms from wedge shape briquetting 9 and wedge-shaped catch 14 respectively, front end and back end adopts different wedge shapes to compress mode respectively, by tightening two, front end voussoir housing screw, realize carrying out axis to bottom guide 12 and circumference is fixing.
Wedge pressure locking structure of the present invention, implement to install according to following steps:
One, the installation process of crosshead bottom guide 12
Step 1, installation guide plate bearing 3: the layout of guide plate bearing 3 on frame bearing 1 be (can arrange the quantity of guide plate bearing 3 as required, the embodiment of the present invention is four) as shown in Figure 2;
The wedge-shaped catch 14 of step 2, installation rear end: first wedge-shaped catch 14 is placed on the arc surface of two guide plate bearings 3 of rear end, positioning plate 2 is put in two guide plate bearing 3 lower surface channels of rear end, then by housing screw 3 13 and positioning plate 2, wedge-shaped catch 14 is fixed and clamped on arc surface, because the lower shoulder of wedge-shaped catch 14 and the end face of a guide plate bearing 3 are close to, therefore wedge-shaped catch 14 can bear the active force of bottom guide 12 movement to the back-end, as Fig. 1, Fig. 3;
Step 3, installation bottom guide 12: lain in a horizontal plane in by bottom guide 12 on wedge-shaped catch 14 and two, front end guide plate bearing 3, two of wedge-shaped catch 14 boss 15 are stuck in inclined-plane, bottom guide 12 rear end, so coordinate and form rear end wedge mechanism, as Fig. 6;
In step 4, installation front end wedge shape bearing 8: Fig. 4, two through holes are used for the connection with backing plate 5, front end wedge shape bearing 8 is fixedly mounted on the backing plate 5 of frame bearing 1 through respective through hole by two housing screws 7, by cross wall plate 6 dieback before front end wedge shape bearing 8 front-end face and frame, two wedge shape platforms 16 and the bottom guide 12 front end wedge slot of front end wedge shape bearing 8 form front end double wedge structure;
Step 5, fix to clamp in bottom guide 12: Fig. 4, two screws are for installing the housing screw 2 11 of wedge shape briquetting 9, two wedge shape briquettings 9 are arranged in the double wedge structure that front end wedge shape bearing 8 and bottom guide 12 form, be pressed in wedge slot by spring washer 10 and housing screw 2 11 by wedge shape briquetting 9, housing screw 2 11 is arranged in the waist shaped hole of wedge shape briquetting 9; Meanwhile, two boss 15 of inclined-plane, bottom guide 12 rear end and wedge-shaped catch 14 form wedge shape linkage structure; Finally, wedge shape briquetting 9 is made to drive bottom guide 12 to be tightly fixed on guide plate bearing 3 by tightening housing screw 2 11, due to the self-locking of front end and back end wedge-shaped structure and the resiliently deformable effect of spring washer, bottom guide 12 can not be produced axially in crosshead running and circumference slip.
Two, the assembly and disassembly methods of crosshead bottom guide 12 in maintenance process
When bottom guide 12 changed by needs, first the part 7-part 11 in such as Fig. 1 is pulled down, crosshead is retreated to rear limit and upwards lifts (also can in other positions), make itself and bottom guide 12 inner arc surface depart from and form gap, then by the screw hole of bottom guide 12 front end, the macropore of its cross wall plate 6 before frame is pulled out; Use the same method, retreat to the rear limit of bottom guide 12 in crosshead and upwards lift, by the screw hole of bottom guide 12 front end, the macropore of its cross wall plate 6 before frame being shifted onto on guide plate bearing 3, being then fixed clamping by above-mentioned steps 4 and step 5 pair bottom guide 12,, see Fig. 7.
Claims (5)
1. a drilling pump cross head bottom guide wedge pressure locking structure, it is characterized in that: comprise frame bearing (1), cross wall plate (6) before frame bearing (1) upper surface is coaxially installed with multiple guide plate bearing (3), a backing plate (5) and a frame from back to front successively;
Two guide plate bearing (3) circular arcs of rear end are installed with a wedge-shaped catch (14) jointly; Wedge-shaped catch (14) front end is provided with downward lower shoulder, guide plate bearing (3) sidewall of this lower shoulder and below is close to, wedge-shaped catch (14) rear end is upwards provided with upper shoulder, guide plate bearing (3) the sidewall alien invasion of this upper shoulder outer surface and below is coplanar, and this upper shoulder internal surface is provided with two bevelled boss of tool (15), these two boss (15) and the incline bench clamping of bottom guide (12) rear end;
Two positioning plates two (4) are provided with between backing plate (5) and adjacent guide plate bearing (3), be provided with front end wedge shape bearing (8) at backing plate (5) upper surface, before the front-end face of front end wedge shape bearing (8) and frame, cross wall plate (6) holds out against; Front end wedge shape bearing (8) upper surface symmetry is fixedly installed two wedge shape platforms (16), is respectively arranged with a wedge shape briquetting (9) in these two wedge shape platform (16) rear side immediate vicinity; Each wedge shape briquetting (9) is provided with front and back sphenoid surface, contacts respectively with the wedge shape platform (16) of front end wedge shape bearing (8) with the wedge slot of bottom guide (12).
2. drilling pump cross head bottom guide wedge pressure locking structure according to claim 1, is characterized in that: described each wedge shape briquetting (9) is connected with front end wedge shape bearing (8) by housing screw two (11) and supporting spring washer (10).
3. drilling pump cross head bottom guide wedge pressure locking structure according to claim 1, is characterized in that: have waist shaped hole in described wedge shape briquetting (9), the stub end of housing screw two (11) is placed in this waist shaped hole.
4. drilling pump cross head bottom guide wedge pressure locking structure according to claim 1, is characterized in that: described bottom guide (12) is without shoulder structure, has wedge slot, be processed with incline bench in its back-end in its front end.
5. drilling pump cross head bottom guide wedge pressure locking structure according to claim 1, it is characterized in that: described wedge-shaped catch (14) is fixedly connected with by housing screw three (13) and positioning plate one (2) and this two guide plate bearings (3), and positioning plate one (2) is arranged in the horizontal slot of two guide plate bearing (3) lower surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783567.5A CN105275799B (en) | 2015-11-16 | 2015-11-16 | Wedge-shaped pressing structure of lower guide plate in cross head of drilling pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783567.5A CN105275799B (en) | 2015-11-16 | 2015-11-16 | Wedge-shaped pressing structure of lower guide plate in cross head of drilling pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105275799A true CN105275799A (en) | 2016-01-27 |
| CN105275799B CN105275799B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510783567.5A Active CN105275799B (en) | 2015-11-16 | 2015-11-16 | Wedge-shaped pressing structure of lower guide plate in cross head of drilling pump |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080292473A1 (en) * | 2006-01-31 | 2008-11-27 | Giuseppe Marino | High-Pressure Pump For Feeding Fuel To An Internal Combustion Engine |
| CN101966638A (en) * | 2010-09-06 | 2011-02-09 | 南通众联科技服务有限公司 | Overhaul inspection method for lower bearing of crosshead of main machine |
| CN102434453A (en) * | 2011-11-21 | 2012-05-02 | 宝鸡石油机械有限责任公司 | Guide plate fastening structure for plunger pump |
| CN104385195A (en) * | 2014-09-17 | 2015-03-04 | 宝鸡石油机械有限责任公司 | Frock clamp with drilling pump cross head pin and clamping method thereof |
-
2015
- 2015-11-16 CN CN201510783567.5A patent/CN105275799B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080292473A1 (en) * | 2006-01-31 | 2008-11-27 | Giuseppe Marino | High-Pressure Pump For Feeding Fuel To An Internal Combustion Engine |
| CN101966638A (en) * | 2010-09-06 | 2011-02-09 | 南通众联科技服务有限公司 | Overhaul inspection method for lower bearing of crosshead of main machine |
| CN102434453A (en) * | 2011-11-21 | 2012-05-02 | 宝鸡石油机械有限责任公司 | Guide plate fastening structure for plunger pump |
| CN104385195A (en) * | 2014-09-17 | 2015-03-04 | 宝鸡石油机械有限责任公司 | Frock clamp with drilling pump cross head pin and clamping method thereof |
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| Publication number | Publication date |
|---|---|
| CN105275799B (en) | 2017-04-19 |
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Effective date of registration: 20210111 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: Baoji Oilfield Machinery Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: 721002 No. 2 Dongfeng Road, Shaanxi, Baoji Patentee before: Baoji Oilfield Machinery Co.,Ltd. |
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