CN101725333B - Mule head automatic adjusting device for pumping unit - Google Patents
Mule head automatic adjusting device for pumping unit Download PDFInfo
- Publication number
- CN101725333B CN101725333B CN 200910209774 CN200910209774A CN101725333B CN 101725333 B CN101725333 B CN 101725333B CN 200910209774 CN200910209774 CN 200910209774 CN 200910209774 A CN200910209774 A CN 200910209774A CN 101725333 B CN101725333 B CN 101725333B
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- China
- Prior art keywords
- walking beam
- horse head
- jackscrew
- adjusting device
- mule head
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Abstract
The invention discloses a mule head automatic adjusting device for a pumping unit. An inner cavity is arranged on a mule head body, the front end of a walking beam of the pumping unit is arranged in the inner cavity of the mule head body, and two sides of the inner cavity of the mule head body are provided with mule head lateral plates. The mule head automatic adjusting device is characterized in that a supporting beam is fixedly arranged between the two mule head lateral plates at the upper part of the inner cavity of the mule head body, the lower surface of the supporting beam is a convex arc-shaped surface, the lower surface of the mule head body is arranged on the front end of the walking beam; the mule head lateral plates are provided with top threads penetrating through the mule head lateral plates through top thread nuts, top thread seat plates are arranged at the positions in the walking beam corresponding to the inner end of the top threads, the top thread nuts are fixedly arranged on the mule head lateral plates, and the inner ends of the top threads are in tight contact with the top thread seal plates correspondingly after the top threads are screwed. When the connecting surface of the walking beam and the mule head is uneven because of the manufacture or foundation change, the position of the mule head can be rapidly adjusted by the mule head automatic adjusting device so as to normally work, therefore, the reconstruction cost of the walking beam is saved, and the manufacture cost of the walking beam can be greatly lowered.
Description
Technical field
The present invention relates to a kind of structure of oil pumper, relate in particular to a kind of mule head automatic adjusting device that relies on deadweight to carry out the oil pumper of position correction.
Background technology
Traditional oil pumper; Be connected with bearing pin through junction plate between its horse head and the walking beam; The position is completely fixed between horse head and the walking beam, and its defective is: when walking beam because make, assembling or when the former of basis being installed thereby causing the junction plate of walking beam out-of-level, perhaps because when horse head connecting portion and horse head side plate out of plumb; Horse head causes polished rod eye and horse head side plate to produce friction because of regulating automatically; Cause wire rope to damage, the scene of causing do over again associated workpiece or stopping production cause bigger loss; In order to avoid the appearance of this situation as far as possible; Just must carry out machine with the joint face of horse head and axis of centres bearing on to walking beam after the welding, in order to guarantee the flatness of machined surface, the machined surface of walking beam just necessarily requires cutter processing simultaneously; This just requires to possess the equipment of processing length more than 3 meters; Such as metal-planing machine,, also should before welding, compare strict school shape by the principal mode material to walking beam in order to reduce allowance; Requiring also that simultaneously the basis is installed has higher levelness, the cost of manufacturing, assembling and installation that therefore increased the worker; Even like this, in actual application, still can cause and need reprocess the joint face of walking beam because of the difference of site environment, very inconvenient and waste time and energy, this has become a great problem of oil pumper industry.
Summary of the invention
The object of the invention just is to provide in order to address the above problem a kind of mule head automatic adjusting device of oil pumper; This device can carry out easily and fast adjustment to the position of horse head, thus solve walking beam because make, assembling or the former of basis is installed thereby cause that walking beam is out-of-level, problem that the horse head out of plumb can't operate as normal.
To achieve these goals, the present invention has adopted following technical scheme:
In the present invention; The horse head body is provided with inner chamber, and the walking beam front end of oil pumper places in the inner chamber of horse head body, and the inner chamber both sides of horse head body are the horse head side plate; Its innovation part is: on the inner chamber top of horse head body; Between two blocks of horse head side plates, be installed with supporting beam, the soffit of supporting beam is the evagination arcwall face, the soffit of supporting beam place the walking beam front end above; On the horse head side plate, the jackscrew that passes the horse head side plate is installed through the jackscrew nut; In walking beam, be provided with the jackscrew seat board with the inner corresponding position of jackscrew; The jackscrew nut is fixedly mounted on the horse head side plate, and jackscrew the inner is corresponding closely contact with the jackscrew seat board after tightening jackscrew.
In said structure; Horse head places on the walking beam through supporting beam; Because the soffit of supporting beam is the evagination arcwall face; So horse head is easy to regulate with respect to the position of walking beam, the mode of its adjusting is: one of which, the deadweight through horse head automatically adjusts: when above the walking beam front end because make, assembling or when the former of basis being installed thereby not being in level; Horse head can be at the stress surface of adjusting automatically under its deadweight effect between supporting beam and the walking beam (or stress point), so that horse head self keeps plumbness; Its two, through manual adjustments: regulate under the situation not in place automatically at horse head, need carry out manual adjustments, such as making it get back to the tram through regulating the jackscrew or the horse head side plate that hits with a hammer.Before above-mentioned position adjustments, all need earlier jackscrew to be unclamped, after regulating, need jackscrew is tightened, to keep the stable state of horse head.
As optimum structure of the present invention, on said walking beam front end, be provided with and be used to the upper bracket that stops that said supporting beam moves to said walking beam front end end face direction, said supporting beam is positioned at the side of said upper bracket away from said walking beam front end end face.Upper bracket can stop that supporting beam moves and skid off the disengaging walking beam to walking beam front end end face direction, has guaranteed the safety of equipment.
In the inner chamber of horse head body, be provided with the vertical panel of installing with the horse head body-fixed with the corresponding position of said walking beam front end end face.When the angle between walking beam and horse head was spent less than 90, walking beam can make horse head be in normal duty through vertical panel.
Further, on said walking beam front end, stiffener is installed, said supporting beam place said stiffener above.The effect of stiffener is to strengthen the local holding capacity of walking beam front end top panel.
For preventing that supporting beam makes its supporting-point leave walking beam owing to walking beam the is out-of-level corresponding position of vertical panel (being web) from deform its horizontal panel (being wing plate); Between the upper and lower panel of the walking beam under the said supporting beam, the reinforcement gusset is installed, said jackscrew seat board is installed between the shrouding and said reinforcement gusset of said walking beam front end.
Polished rod load is zero on horse head, and the walking beam front end is when being lower than horizontal level, and horse head can make its underpart leave walking beam owing to conduct oneself with dignity; This possibly cause security incident; For preventing the generation of this situation, on the shrouding of said walking beam front end, stop collar is installed, on the horse head side plate of correspondence position, bearing pin is installed; Bearing pin passes the through hole that passes stop collar behind the horse head side plate of a side again, passes the horse head side plate of opposite side and fixing at last.
For easy to process and reduce cost, said stop collar is an angle steel, and two opening edges of angle steel and the shrouding of said walking beam front end are welded to connect.
For preventing that sliding distance is excessive between horse head and the walking beam, be separately installed with locating shaft in two sides of said walking beam front end, the locating shaft nut is connected with said walking beam body-fixed, and the axial direction of locating shaft is vertical with said horse head side plate.Only need the turn locating shaft can reduce the gap between (or increasing) locating shaft termination and the horse head side plate in the actual mechanical process since between locating shaft and the walking beam for being fixedly connected, so the gap between the horse head that is equivalent to have reduced (or increase) and the walking beam.
In order further to strengthen reliability, the outside of jackscrew nut is equipped with locknut on said jackscrew.After jackscrew is regulated end, tighten locknut and can guarantee that jackscrew is in stable state.
Beneficial effect of the present invention is:
Adopt fuel charger of the present invention; When the joint face that causes walking beam and horse head owing to the perhaps basic variation of manufacturing reason is out-of-level; Can apace horse head be adjusted to tram and fixing through horse head deadweight and manual adjustments; Make horse head be in normal duty, regulate very convenient fast, need labor human and material resources and time to revise the problem of processing after having solved traditional oil pumper and ging wrong; Simultaneously; Because horse head has regulatory function, so when making walking beam, can directly use as long as the walking beam section bar satisfies national standard; School shape not; The plane, two places that walking beam is installed axis of centres bearing, horse head all can machine, thereby the manufacturing cost of having practiced thrift walking beam has greatly simultaneously also been saved process time.
Description of drawings
Fig. 1 is a main TV structure sketch map of the present invention;
Fig. 2 is a plan structure sketch map of the present invention;
Fig. 3 is a right TV structure sketch map of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further specified:
Fig. 1---dotted line among Fig. 3 is represented the structure that can't directly see through corresponding view; Wherein, Broken line construction can't directly be seen because that is the structure in the horse head inner chamber through corresponding view among Fig. 1 and Fig. 2, and broken line construction can't directly be seen because there is vertical panel (being web) of walking beam to obstruct the view through corresponding view among Fig. 3.
Like Fig. 1---shown in Figure 3, horse head body 1 is provided with inner chamber (unmarked among the figure), and the front end of the walking beam 6 of oil pumper places in the inner chamber of horse head body 1; The inner chamber both sides of horse head body 1 are horse head side plate 15, and are as shown in Figure 3, on the inner chamber top of horse head body 1; Between two blocks of horse head side plates 15, be installed with supporting beam 3; The soffit of supporting beam 3 is the evagination arcwall face, and is as shown in figures 1 and 3, the soffit of supporting beam 3 place walking beam 6 front ends above; Like Fig. 1---shown in Figure 3; On horse head side plate 15, the jackscrew 14 that passes horse head side plate 15 is installed through jackscrew nut 16; In walking beam 6, be provided with jackscrew seat board 10 with jackscrew 14 inner corresponding positions; Jackscrew nut 16 is fixedly mounted on the horse head side plate 15, and jackscrew 14 backs and the 10 corresponding closely contacts of jackscrew seat board are being tightened in jackscrew 14 the inners.
As depicted in figs. 1 and 2, on walking beam 6 front ends, be provided with and be used to the upper bracket 2 that stops that supporting beam 3 moves to walking beam 6 front end end face directions, supporting beam 3 is positioned at the side of upper bracket 2 away from walking beam 6 front end end faces.Upper bracket 2 can stop that supporting beam 3 moves and skid off disengaging walking beam 6 to walking beam 6 front end end face directions, has guaranteed the safety of equipment.
As shown in Figure 1, in the inner chamber of horse head body 1, be provided with and horse head body 1 hard-wired vertical panel 11 with the corresponding position of walking beam 6 front end end faces.When the angle between walking beam 6 and horse head was spent less than 90, walking beam 6 can make horse head be in normal duty through vertical panel.
Like Fig. 1---shown in Figure 3, on walking beam 6 front ends, stiffener 4 is installed, supporting beam 3 place stiffener 4 above.The effect of stiffener 4 is to strengthen the local holding capacity of walking beam 6 front end top panels.
As shown in Figure 1; For preventing that supporting beam 3 is owing to the walking beam 6 out-of-level corresponding positions of vertical panel (being web) that make its supporting-point leave walking beam 6 deform its horizontal panel (being wing plate); Between the upper and lower panel of the walking beam under the supporting beam 36, be equipped with and strengthen gusset 12, jackscrew seat board 10 is installed in the shrouding 7 of walking beam 6 front ends and strengthens between the gusset 12.
As depicted in figs. 1 and 2; On the shrouding 7 of walking beam 6 front ends, angle steel 8 is installed; Two opening edges of angle steel 8 and the shrouding 7 of walking beam 6 front ends are welded to connect; On the horse head side plate 15 of correspondence position, bearing pin 9 is installed, bearing pin 9 passes the through hole that passes angle steel 8 behind the horse head side plate 15 of a side again, passes the horse head side plate 15 of opposite side and fixing at last.This structure can prevent the generation of following situation: polished rod load is zero on horse head, and the front end of walking beam 6 is when being lower than horizontal level, and horse head can make its underpart leave walking beam 6 owing to conduct oneself with dignity, and this possibly cause security incident.
Like Fig. 1---shown in Figure 3; For preventing that sliding distance is excessive between horse head and the walking beam 6; Two sides at walking beam 6 front ends are separately installed with locating shaft 5, and the nut of locating shaft 5 is connected with the body-fixed of walking beam 6, and the axial direction of locating shaft 5 is vertical with horse head side plate 15.Only need turn locating shaft 5 can reduce the gap between (or increasing) locating shaft 5 terminations and the horse head side plate 15 in the actual mechanical process since between locating shaft 5 and the walking beam 6 for being fixedly connected, so the gap between the horse head that is equivalent to have reduced (or increase) and the walking beam 6.
Like Fig. 1---shown in Figure 3, in order further to strengthen reliability, the outside of jackscrew nut 16 is equipped with locknut 13 on jackscrew 14.After jackscrew 14 is regulated end, tighten locknut 13 and can guarantee that jackscrew 14 is in stable state.
Below in conjunction with accompanying drawing operating principle of the present invention and force analysis are explained as follows:
Like Fig. 1---shown in Figure 3, horse head places on the walking beam 6 through supporting beam 3, because the soffit of supporting beam 3 is the evagination arcwall face; So horse head is easy to regulate with respect to the position of walking beam 6, when above walking beam 6 front ends because make, assembling or when the former of basis being installed thereby not being in level, horse head is not in plumbness; Need regulate the angle of horse head; Could satisfy the requirement of its operate as normal, the mode of its adjusting is: one of which, and the deadweight through horse head automatically adjusts; Its process is: unclamp locknut 13 and jackscrew 14 on the horse head side plate 15 of both sides earlier; Make between horse head body 1 and the walking beam 6 to be in the flexible connection state, at this moment horse head can be at the stress surface of adjusting automatically under its deadweight effect between supporting beam 3 and the walking beam 6 (or stress point), so that horse head self keeps plumbness; Its two, through manual adjustments, automatically regulate under the situation not in place at horse head; Need carry out manual adjustments, its process is: unclamp locknut 13 and jackscrew 14 on the horse head side plate 15 of a side wherein earlier, tighten the jackscrew 14 on the horse head side plate 15 of opposite side; After making horse head get back to the tram, again both sides jackscrew 14 and locknut 13 are tightened, in this process; Also can't regulate and put in place if depend jackscrew 14 alone, also can make the horse head side plate 15 that hits with a hammer so that it gets back to the tram.
As shown in Figure 1; When horse head in when work; The vertical panel 11 that causes the horse head bottom owing to the suffered pulling force of horse head wire rope when work, only be squeezed walking beam 6 power and do not received the power of leaving walking beam 6, and upper support beam 3 only can produce pressure to the upper bracket 2 of walking beam 6 except the normal pressure to walking beam 6; Also can not produce rightabout power makes supporting beam 3 leave upper bracket 2; And the horse head pivot angle generally can not surpass 57 degree, and when horse head was divided with horizon, the maximum angle that horse head departs from horizontal level can not surpass 30 degree; So the power of the upper bracket 2 of horse head extruding walking beam 6 the most very much not can surpass 50% of horse head polished rod load; Because the friction system between steel and the steel is between the 0.2-0.3, the power of all actual supporting beam 3 extruding upper brackets 2 can not surpass 30% of horse head polished rod load, and horse head supporting beam 3 acts on the specified polished rod load that is no more than horse head perpendicular to the pressure of walking beam 6 directions.
As shown in Figure 1, bearing pin 9 gets final product so its diameter is got 25-40mm because its suffered power is no more than the horse head deadweight.For preventing that bearing pin 9 from coming off, boring above that adds packing ring and cottor pin gets final product.For convenient disassembly, the gap between angle steel 8 and the bearing pin 9 should remain on about 3mm.For prevent that horse head side plate 15 and walking beam 6 from interfering when regulating, can walking beam 6 and horse head assembled portion be cut a part, guarantee that the upper and lower wing plate and the distance between the horse head of walking beam 6 is 30-50mm; Distance between locating shaft 5 and the horse head side plate 15 is monolateral to be 10-25mm, and concrete distance is looked oil pumper model size and decided; Because the adjusting side gyration of horse head generally can not surpass 3 degree, the about 180kN of the maximum polished rod load of oil pumper at present then can calculate pressure that jackscrew 14 need provide above 942N, is about M20 and gets final product so locate the screw thread specification of jackscrew 14.
Claims (9)
1. the mule head automatic adjusting device of an oil pumper; The horse head body is provided with inner chamber, and the walking beam front end of oil pumper places in the inner chamber of horse head body, and the inner chamber both sides of horse head body are the horse head side plate; It is characterized in that: on the inner chamber top of horse head body; Between two blocks of horse head side plates, be installed with supporting beam, the soffit of supporting beam is the evagination arcwall face, the soffit of supporting beam place the walking beam front end above; On the horse head side plate, the jackscrew that passes the horse head side plate is installed through the jackscrew nut; In walking beam, be provided with the jackscrew seat board with the inner corresponding position of jackscrew; The jackscrew nut is fixedly mounted on the horse head side plate, and jackscrew the inner is corresponding closely contact with the jackscrew seat board after tightening jackscrew.
2. the mule head automatic adjusting device of oil pumper according to claim 1; It is characterized in that: on said walking beam front end, be provided with and be used to the upper bracket that stops that said supporting beam moves to said walking beam front end end face direction, said supporting beam is positioned at the side of said upper bracket away from said walking beam front end end face.
3. the mule head automatic adjusting device of oil pumper according to claim 1 is characterized in that: in the inner chamber of horse head body, be provided with the vertical panel of installing with the horse head body-fixed with the corresponding position of said walking beam front end end face.
4. the mule head automatic adjusting device of oil pumper according to claim 1 is characterized in that: on said walking beam front end, stiffener is installed, said supporting beam place said stiffener above.
5. the mule head automatic adjusting device of oil pumper according to claim 1; It is characterized in that: between the upper and lower panel of the walking beam under the said supporting beam, the reinforcement gusset is installed, said jackscrew seat board is installed between the shrouding and said reinforcement gusset of said walking beam front end.
6. the mule head automatic adjusting device of oil pumper according to claim 1; It is characterized in that: on the shrouding of said walking beam front end, stop collar is installed; On the horse head side plate of correspondence position, bearing pin is installed; Bearing pin passes the through hole that passes stop collar behind the horse head side plate of a side again, passes the horse head side plate of opposite side and fixing at last.
7. the mule head automatic adjusting device of oil pumper according to claim 6, it is characterized in that: said stop collar is an angle steel, two opening edges of angle steel and the shrouding of said walking beam front end are welded to connect.
8. the mule head automatic adjusting device of oil pumper according to claim 1; It is characterized in that: two sides at said walking beam front end are separately installed with locating shaft; The locating shaft nut is connected with said walking beam body-fixed, and the axial direction of locating shaft is vertical with said horse head side plate.
9. the mule head automatic adjusting device of oil pumper according to claim 1, it is characterized in that: the outside of jackscrew nut is equipped with locknut on said jackscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910209774 CN101725333B (en) | 2009-10-30 | 2009-10-30 | Mule head automatic adjusting device for pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910209774 CN101725333B (en) | 2009-10-30 | 2009-10-30 | Mule head automatic adjusting device for pumping unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101725333A CN101725333A (en) | 2010-06-09 |
| CN101725333B true CN101725333B (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910209774 Expired - Fee Related CN101725333B (en) | 2009-10-30 | 2009-10-30 | Mule head automatic adjusting device for pumping unit |
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| Country | Link |
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| CN (1) | CN101725333B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988378A (en) * | 2010-11-25 | 2011-03-23 | 成都博德钻采设备制造有限公司 | Horse-head auto-abdication device for pumping unit |
| CN104196835A (en) * | 2014-08-18 | 2014-12-10 | 中国石油天然气股份有限公司 | Connecting mechanism for horsehead and walking beam of walking beam type oil pumping unit |
| CN112832745B (en) * | 2020-12-29 | 2022-03-22 | 中国石油大学(北京) | Centering measurement method and device for beam-pumping unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2170391Y (en) * | 1993-03-20 | 1994-06-29 | 石油大学(华东) | Closing piece type beam rating position-offering mechanism for beam-pumping unit |
| CN2466346Y (en) * | 2001-02-23 | 2001-12-19 | 大港油田集团中成机械制造有限责任公司 | Rear horse-head antifatigue device for special shaped beam pumping unit |
| CN201074505Y (en) * | 2007-08-27 | 2008-06-18 | 大港油田集团有限责任公司 | Oil extractor mule head abdication device |
| CN201521284U (en) * | 2009-10-30 | 2010-07-07 | 成都博德钻采设备制造有限公司 | Automatic regulating device for horsehead of pumping unit |
-
2009
- 2009-10-30 CN CN 200910209774 patent/CN101725333B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2170391Y (en) * | 1993-03-20 | 1994-06-29 | 石油大学(华东) | Closing piece type beam rating position-offering mechanism for beam-pumping unit |
| CN2466346Y (en) * | 2001-02-23 | 2001-12-19 | 大港油田集团中成机械制造有限责任公司 | Rear horse-head antifatigue device for special shaped beam pumping unit |
| CN201074505Y (en) * | 2007-08-27 | 2008-06-18 | 大港油田集团有限责任公司 | Oil extractor mule head abdication device |
| CN201521284U (en) * | 2009-10-30 | 2010-07-07 | 成都博德钻采设备制造有限公司 | Automatic regulating device for horsehead of pumping unit |
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| Publication number | Publication date |
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| CN101725333A (en) | 2010-06-09 |
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Granted publication date: 20121212 Termination date: 20191030 |