CN204704232U - Horse head connecting pin - Google Patents
Horse head connecting pin Download PDFInfo
- Publication number
- CN204704232U CN204704232U CN201520348572.9U CN201520348572U CN204704232U CN 204704232 U CN204704232 U CN 204704232U CN 201520348572 U CN201520348572 U CN 201520348572U CN 204704232 U CN204704232 U CN 204704232U
- Authority
- CN
- China
- Prior art keywords
- shank
- drive link
- horse head
- connecting pin
- head connecting
- 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- Withdrawn - After Issue
Links
- 241001023788 Cyttus traversi Species 0.000 title claims abstract description 82
- 238000005461 lubrication Methods 0.000 claims description 23
- 239000011159 matrix material Substances 0.000 claims description 22
- 230000001050 lubricating effect Effects 0.000 claims description 10
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical group [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Toys (AREA)
Abstract
The utility model provides a horse head connecting pin, including the round pin body, transfer line and locking piece, the inside of the round pin body is equipped with the interlude hole along the axial and along radially being equipped with the lock core room that intersects and communicate with the interlude hole, and the transfer line is arranged in the interlude hole and can be followed the axial displacement of the round pin body, and the inside of lock core room is arranged in to the locking piece and can be followed the axial and the radial movement of the round pin body, and the transfer line top is supported on the locking piece, and one side top of locking piece is supported on the terminal surface of the blind end of lock core room, and this terminal surface is from top to bottom to the direction slope of the axis that is close. The utility model discloses the transfer line supports the locking piece from the lock core room when inserting the pinhole and pushes away to the external portion of round pin and support on the inner wall that leans on the pinhole, can will effectively the utility model discloses with the clearance between the pinhole fill, make unable vibration friction that produces between the two, reduce the utility model discloses an wearing and tearing that the inner wall of the outside and pinhole received guarantee the utility model discloses can be firm peg graft in the pinhole, the noise in the reduction production process takes place with the condition of avoiding the junction fracture of horse head and oil beam.
Description
Technical field
The utility model relates to a kind of horse head fixing device, refers in particular to a kind of horse head connecting pin.
Background technique
The effect of horse head connecting pin is the oily beam and the horse head that connect pumping unit, horse head is hung on oily beam and moves with oily beam.Wherein when carrying out wellhead maintenance operation, usually needing dismantles the horse head connecting pin of horse head side makes horse head overturn, thus avoids horse head to affect normally carrying out of wellhead maintenance operation.Institute thinks that horse head connecting pin can be pulled down by guarantee when needed smoothly, horse head connecting pin when inserting in pin-and-hole more or less can and pin-and-hole between there is gap.When pumping unit normally works, because the vibration of pumping unit itself and the conversion between oily beam and horse head can cause producing vibration between oily beam and horse head, and cause producing between horse head connecting pin and pin-and-hole to vibrate rubbing, the outside of horse head connecting pin and the inwall of pin-and-hole are easily worn, the connection of horse head connecting pin and pin-and-hole easily loosens, finally cause horse head to teetertotter and produce larger noise, the joint problems of crack of horse head and oily beam is also there will be time serious, rate when not only have impact on the oil recovery of oil well, and bring very large difficulty to the production of the safety and environmental protection in oil field.
Model utility content
The purpose of this utility model is to provide a kind of horse head connecting pin avoiding producing vibration friction between pin-and-hole.
For achieving the above object, the utility model provides a kind of horse head connecting pin, wherein, described horse head connecting pin comprises shank, drive link and lock dog, the inside of described shank is provided with inserting hole vertically, and the inside of described shank has been disposed radially lock core room, described inserting hole is crossing with described lock core room and be communicated with, described drive link is placed in described inserting hole and described drive link can moving axially along described shank, described lock dog is placed in the inside of described lock core room and described lock dog along the axis of described shank and can move radially, the end of described drive link is resisted against on described lock dog, the side of described lock dog is resisted against on the end face of the closed end of described lock core room, the end face of the closed end of described lock core room from top to bottom tilts to the direction of the axis near described drive link.
Horse head connecting pin as above, wherein, the angle between the end face of the closed end of described lock core room and the axis of described shank is 15 °
Horse head connecting pin as above, wherein, radial direction along described drive link on the lower end sidewall of described drive link is arranged with annular connecting groove, the end face of described lock dog is provided with the matrix slide rail that the radial direction along described shank is arranged, the inwall top of the both sides of described matrix slide rail is extended with position-limited wing respectively to the inside of described matrix slide rail, the inside of described matrix slide rail is stretched in the lower end of described drive link, and two described position-limited wings on the inwall of the both sides of described matrix slide rail are stretched into the inside of described annular connecting groove by the both sides of described drive link, described drive link and described lock dog are slidably connected.
Horse head connecting pin as above, wherein, described inserting hole is tapped hole, and the outer wall of described drive link is provided with the outside thread cooperatively interacted with the internal thread of described tapped hole, and described drive link and described shank spin.
Horse head connecting pin as above, wherein, described in the upper end edge of described shank, the radial convex of shank is provided with shoulder.
Horse head connecting pin as above, wherein, the outer wall of described shank is provided with lubricating structure, described lubricating structure comprises lubrication hole that the axis along described shank arranges and at least one circle lubrication annular groove of circumferential hoop on the outer wall being arranged on described shank along described shank, and described lubrication hole runs through described shoulder and is communicated with described lubrication annular groove.
Horse head connecting pin as above, wherein, the upper end of described drive link is provided with afterburning ring and spanner mouth structure.
Horse head connecting pin as above, wherein, described spanner mouth structure is tetragonal nut or hexagon nut, and described spanner mouth structure is fixedly connected with described afterburning ring.
Horse head connecting pin as above, wherein, the lower end of described shank is provided with the cone shaped pilot of tapered diameter from top to bottom.
Compared with prior art, advantage of the present utility model is as follows:
The utility model is when inserting in pin-and-hole, lock dog pushed to shank outside and be resisted against the inwall of pin-and-hole from lock core room by arranging drive link, can effectively by the gap-fill between the utility model and pin-and-hole, make between the utility model and pin-and-hole, to produce vibration friction, thus the wearing and tearing that the inwall reducing outside of the present utility model and pin-and-hole is subject to, ensure that the utility model can firmly be plugged in pin-and-hole simultaneously, reduce horse head in production process and rock the shank that causes and pin-and-hole collides the noise produced and the situation avoiding the joint of horse head and oily beam to ftracture occurs, rate when can ensure the oil recovery of oil well, the carrying out of field produces safety and environmental protection can also be ensured simultaneously.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the perspective view of the horse head connecting pin that the utility model provides;
Fig. 2 is the plan view of the horse head connecting pin that the utility model provides;
Fig. 3 is the side view of the horse head connecting pin that the utility model provides;
Fig. 4 is the side cutaway view of the horse head connecting pin that the utility model provides;
Fig. 5 is the perspective view of the shank of the horse head connecting pin that the utility model provides;
Fig. 6 is another perspective view of the shank of the horse head connecting pin that the utility model provides;
Fig. 7 is the plan view of the shank of the horse head connecting pin that the utility model provides;
Fig. 8 is the side view of the shank of the horse head connecting pin that the utility model provides;
Fig. 9 is the side cutaway view of the shank of the horse head connecting pin that the utility model provides;
Figure 10 is the rear view of the shank of the horse head connecting pin that the utility model provides;
Figure 11 is the perspective view of the lock dog of the horse head connecting pin that the utility model provides;
Figure 12 is the plan view of the lock dog of the horse head connecting pin that the utility model provides;
Figure 13 is the side view of the lock dog of the horse head connecting pin that the utility model provides;
Figure 14 is the perspective view of the drive link of the horse head connecting pin that the utility model provides;
Figure 15 is the plan view of the drive link of the horse head connecting pin that the utility model provides;
Figure 16 is the side view of the drive link of the horse head connecting pin that the utility model provides;
Figure 17 is the worm's eye view of the drive link of the horse head connecting pin that the utility model provides;
Figure 18 is the scheme of installation of the horse head connecting pin that the utility model provides.
Drawing reference numeral illustrates:
1 shank 11 inserting hole
12 lock core room 13 lubricating structures
131 lubrication holes 132 lubricate annular groove
14 shoulder 15 cone shaped pilot
The annular connecting groove of 2 drive link 21
22 afterburning ring 23 spanner mouth structures
3 lock dog 31 matrix slide rails
32 position-limited wing 4 pin-and-holes
Embodiment
In order to have clearer understanding to the technical solution of the utility model, object and effect, existing accompanying drawings embodiment of the present utility model.
As shown in Fig. 1 ~ Figure 10, the utility model provides a kind of horse head connecting pin, wherein, horse head connecting pin comprises shank 1, drive link 2 and lock dog 3, the inside of shank 1 is provided with inserting hole 11 vertically, and the inside of shank 1 has been disposed radially lock core room 12, inserting hole 11 is crossing with lock core room 12 and be communicated with, drive link 2 is placed in inserting hole 11 and drive link 2 can moving axially along shank 1, lock dog 3 is placed in the inside of lock core room 12 and lock dog 3 along the axis of shank 1 and can move radially, the end of drive link 2 is resisted against on lock dog 3, the side of lock dog 3 is resisted against on the end face of the closed end of lock core room 12, the end face of the closed end of lock core room 12 from top to bottom tilts to the direction of the axis near drive link 2.When drive link 2 moves downward, promote lock dog 3 and move downward, in the process that lock dog 3 moves downward, because the end face of the closed end of the lock core room 12 of inclination is to the guiding function of lock dog 3, the opposite side of lock dog 3 extend out to the outside of shank 1.When horse head connecting pin inserts in pin-and-hole 4, lock dog 3 is resisted against the inwall of pin-and-hole 4 when extending out to shank 1 outside from lock core room 12, so by the gap-fill between pin-and-hole 4 and horse head connecting pin, can effectively prevent from producing relative movement friction between shank 1 and pin-and-hole 4.
As shown in Fig. 1 ~ Figure 10, the utility model provides a kind of horse head connecting pin, and wherein, the angle between the end face of the closed end of lock core room 12 and the axis of shank 1 is 15 °.When angle wherein between the end face and the axis of shank 1 of the closed end of lock core room 12 is 15 °, namely can ensure that lock dog 3 can extend out to shank 1 smoothly outside, can also ensure that part that lock dog 3 extend out to shank 1 outside enough fills the gap between shank 1 and pin-and-hole 4 simultaneously, and too large wearing and tearing can not be caused to this end face when lock dog 3 slides on the end face of the closed end of lock core room 12.
As shown in Figure 11 ~ Figure 17, the utility model provides a kind of horse head connecting pin, wherein, the lower end sidewall of drive link 2 is arranged with annular connecting groove 21 along the radial direction of drive link 2, the end face of lock dog 3 is provided with the matrix slide rail 31 that the radial direction along shank 1 is arranged, the inwall top of the both sides of matrix slide rail 31 is extended with position-limited wing 32 respectively to the inside of matrix slide rail 31, wherein as preferred, the position-limited wing 32 at the inwall top of the both sides of matrix slide rail 31 extends to the inside of matrix slide rail 31 in the horizontal direction, the inside of matrix slide rail 31 is stretched in the lower end of drive link 2, and two position-limited wings 32 on the inwall of the both sides of matrix slide rail 31 are stretched into the inside of annular connecting groove 21 by the both sides of drive link 2, drive link 2 and lock dog 3 are slidably connected.The utility model is when assembling, first drive link 2 is mounted in inserting hole 11, and make the lower end of drive link 2 stretch in lock core room 12, the annular connecting groove 21 of drive link 2 lower end is namely made to stretch in lock core room 12, from the outside of shank 1, lock dog 3 is inserted into lock core room 12, make two of lock dog 3 position-limited wings 32 be inserted into annular connecting groove 21 from the both sides of drive link 2 simultaneously, namely the lower end of drive link 2 is limited in matrix slide rail 31, makes to produce relative sliding along this matrix slide rail 31 between drive link 2 and lock dog 3.The end face slide downward of lock dog 3 along the closed end of lock core room 12 is promoted when drive link 2 moves downward, because lock dog 3 to be pushed into the outside of shank 1 by the end face of the closed end of lock core room 12 gradually, lock dog 3 along shank 1 axial motion while also along the radial motion of shank 1, in lock dog 3 movement process, producing relative sliding between lock dog 3 and drive link 2, slides along matrix slide rail 31 in the lower end being equivalent to drive link 2.
As preferably, the utility model provides a kind of horse head connecting pin, and wherein, inserting hole 11 is tapped hole, and the outer wall of drive link 2 is provided with the outside thread cooperatively interacted with the internal thread of tapped hole, and drive link 2 and shank 1 spin.Drive link 2 and shank 1 are threaded connection, lock dog 3 active force that pin-and-hole 4 inwall applies lock dog 3 when being resisted against pin-and-hole 4 inwall can be prevented by drive link 2 upwardly, the degree of depth of drive link 2 insertosome can be kept, lock dog 3 namely can be kept to be resisted against all the time on the inwall of pin-and-hole 4.
As shown in Fig. 5 ~ Figure 10, the utility model provides a kind of horse head connecting pin, and wherein, the radial convex of the upper end edge shank 1 of shank 1 is provided with shoulder 14.When shank 1 inserts in pin-and-hole 4, the degree of depth that shank 1 inserts pin-and-hole 4 can be controlled on the axial direction of shank 1, and facilitate staff to detect shank 1 whether to there occurs relative movement with pin-and-hole 4 and exit from pin-and-hole 4.
As shown in Fig. 5 ~ Figure 10, the utility model provides a kind of horse head connecting pin, wherein, the outer wall of shank 1 is provided with lubricating structure 13, lubricating structure 13 comprises lubrication hole 131 that the axis along shank 1 arranges and at least one circle lubrication annular groove 132 of circumferential hoop on the outer wall being arranged on shank 1 along shank 1, and lubrication hole 131 runs through shoulder 14 and is communicated with lubrication annular groove 132.At needs to when lubricating between shank 1 and pin-and-hole 4, lubricant oil can be injected from lubrication hole 131, lubricant oil flows downward along lubrication hole 131 and flow to each that be connected with lubrication hole 131 and lubricates in annular groove 132, fill up each lubrication annular groove 132 gradually when lubricant oil enters in each lubrication annular groove 132 and spread along the gap of lubricating above annular groove 132 and between the shank 1 of below and pin-and-hole 4, thus pin-and-hole 4 and shank 1 are lubricated, the lubrication realizing shank 1 and pin-and-hole 4 is anticorrosion.
As shown in Figure 14 ~ Figure 17, the utility model provides a kind of horse head connecting pin, and wherein, the upper end of drive link 2 is provided with afterburning ring 22 and spanner mouth structure 23.Afterburning ring 22 and spanner mouth structure 23 are jointly for the installation of drive link 2, when installing drive link 2, rotary drive bar 2 can be carried out make drive link 2 insert in inserting hole 11 by wearing lever in afterburning ring 22, or spanner can also be used to screw spanner mouth structure 23, drive link 2 is inserted in inserting hole 11.
As shown in Figure 14 ~ Figure 17, the utility model provides a kind of horse head connecting pin, and wherein, spanner mouth structure 23 is tetragonal nut or hexagon nut, and spanner mouth structure 23 is fixedly connected with afterburning ring 22.Wherein spanner mouth structure 23 is set to tetragonal nut or hexagon nut can exert a force to it and screw by convenient wrench, spanner mouth structure 23 can be formed in one with afterburning ring 22 and process.
As shown in Fig. 5 ~ Figure 10, the utility model provides a kind of horse head connecting pin, and wherein, the lower end of shank 1 is provided with the cone shaped pilot 15 of tapered diameter from top to bottom.When shank 1 inserts in pin-and-hole 4, only shank 1 need be inserted in pin-and-hole 4 by shank 1 rough alignment pin-and-hole 4 i.e. bootable staff.
As shown in figure 18, the horse head connecting pin that the utility model provides in use, drive link 2 is rotated and is screwed in inserting hole 11 until the annular connecting groove 21 of drive link 2 lower end enters in lock core room 12, lock dog 3 to be pushed in lock core room 12 and to ensure that two position-limited wings 32 of the matrix slide rail 31 on lock dog 3 enter in annular connecting groove 21 along the both sides of annular connecting groove 21, realize drive link 2 to be slidably connected with lock dog 3, lock dog 3 is pushed into completely in lock core room 12, shank 1 is inserted in pin-and-hole 4, downward turn drive link 2, lock dog 3 is made under the promotion of the end face of the closed end of drive link 2 and lock core room 12, to extend out to the outside of shank 1 and be closely resisted against on the inwall of pin-and-hole 4, namely the installation of horse head connecting pin of the present utility model is achieved, when needs carry out lubricated maintenance to horse head connecting pin, lubricant oil is injected directly in lubrication hole 131, lubricant oil can be full of each lubrication annular groove 132 along lubrication hole 131 and diffuse in the gap between shank 1 and pin-and-hole 4 to the upper and lower both sides of lubricating annular groove 132, and the lubrication realizing shank 1 and pin-and-hole 4 is anticorrosion, when the horse head connecting pin needing dismounting the utility model to provide, upwards turn drive link 2, cancel the active force be resisted against on lock dog 3, make lock dog 3 can radially sliding freely along shank 1, lock dog 3 like this is no longer closely resisted against on the inwall of pin-and-hole 4, and the horse head connecting pin that the utility model can provide by staff is easily extracted from shank 1.
Compared with prior art, advantage of the present utility model is as follows:
The utility model is when inserting in pin-and-hole, lock dog pushed to shank outside and be resisted against the inwall of pin-and-hole from lock core room by arranging drive link, can effectively by the gap-fill between the utility model and pin-and-hole, make between the utility model and pin-and-hole, to produce vibration friction, thus the wearing and tearing that the inwall reducing outside of the present utility model and pin-and-hole is subject to, ensure that the utility model can firmly be plugged in pin-and-hole simultaneously, reduce horse head in production process and rock the shank that causes and pin-and-hole collides the noise produced and the situation avoiding the joint of horse head and oily beam to ftracture occurs, rate when can ensure the oil recovery of oil well, the carrying out of field produces safety and environmental protection can also be ensured simultaneously.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those of ordinary skill in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (9)
1. a horse head connecting pin, it is characterized in that, described horse head connecting pin comprises shank, drive link and lock dog, the inside of described shank is provided with inserting hole vertically, and the inside of described shank has been disposed radially lock core room, described inserting hole is crossing with described lock core room and be communicated with, described drive link is placed in described inserting hole and described drive link can moving axially along described shank, described lock dog is placed in the inside of described lock core room and described lock dog along the axis of described shank and can move radially, the end of described drive link is resisted against on described lock dog, the side of described lock dog is resisted against on the end face of the closed end of described lock core room, the end face of the closed end of described lock core room from top to bottom tilts to the direction of the axis near described drive link.
2. horse head connecting pin according to claim 1, is characterized in that, the angle between the end face of the closed end of described lock core room and the axis of described shank is 15 °.
3. horse head connecting pin according to claim 1, it is characterized in that, radial direction along described drive link on the lower end sidewall of described drive link is arranged with annular connecting groove, the end face of described lock dog is provided with the matrix slide rail that the radial direction along described shank is arranged, the inwall top of the both sides of described matrix slide rail is extended with position-limited wing respectively to the inside of described matrix slide rail, the inside of described matrix slide rail is stretched in the lower end of described drive link, and two described position-limited wings on the inwall of the both sides of described matrix slide rail are stretched into the inside of described annular connecting groove by the both sides of described drive link, described drive link and described lock dog are slidably connected.
4. horse head connecting pin according to claim 1, is characterized in that, described inserting hole is tapped hole, and the outer wall of described drive link is provided with the outside thread cooperatively interacted with the internal thread of described tapped hole, and described drive link and described shank spin.
5. horse head connecting pin according to claim 1, is characterized in that, described in the upper end edge of described shank, the radial convex of shank is provided with shoulder.
6. horse head connecting pin according to claim 5, it is characterized in that, the outer wall of described shank is provided with lubricating structure, described lubricating structure comprises lubrication hole that the axis along described shank arranges and at least one circle lubrication annular groove of circumferential hoop on the outer wall being arranged on described shank along described shank, and described lubrication hole runs through described shoulder and is communicated with described lubrication annular groove.
7. horse head connecting pin according to claim 1, is characterized in that, the upper end of described drive link is provided with afterburning ring and spanner mouth structure.
8. horse head connecting pin according to claim 7, is characterized in that, described spanner mouth structure is tetragonal nut or hexagon nut, and described spanner mouth structure is fixedly connected with described afterburning ring.
9. horse head connecting pin according to claim 8, is characterized in that, the lower end of described shank is provided with the cone shaped pilot of tapered diameter from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348572.9U CN204704232U (en) | 2015-05-26 | 2015-05-26 | Horse head connecting pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348572.9U CN204704232U (en) | 2015-05-26 | 2015-05-26 | Horse head connecting pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204704232U true CN204704232U (en) | 2015-10-14 |
Family
ID=54283853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520348572.9U Withdrawn - After Issue CN204704232U (en) | 2015-05-26 | 2015-05-26 | Horse head connecting pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204704232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895888A (en) * | 2015-05-26 | 2015-09-09 | 中国石油天然气股份有限公司 | Horse head connecting pin |
-
2015
- 2015-05-26 CN CN201520348572.9U patent/CN204704232U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895888A (en) * | 2015-05-26 | 2015-09-09 | 中国石油天然气股份有限公司 | Horse head connecting pin |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151014 Effective date of abandoning: 20171114 |