CN210422546U - Well head load fault protection device - Google Patents
Well head load fault protection device Download PDFInfo
- Publication number
- CN210422546U CN210422546U CN201921181720.7U CN201921181720U CN210422546U CN 210422546 U CN210422546 U CN 210422546U CN 201921181720 U CN201921181720 U CN 201921181720U CN 210422546 U CN210422546 U CN 210422546U
- Authority
- CN
- China
- Prior art keywords
- polished rod
- explosion
- packing box
- pumping unit
- clamp
- 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.)
- Expired - Fee Related
Links
- 238000005086 pumping Methods 0.000 claims abstract description 28
- 238000012856 packing Methods 0.000 claims abstract description 23
- 241001023788 Cyttus traversi Species 0.000 claims abstract description 7
- 239000000725 suspension Substances 0.000 claims abstract description 5
- 230000033001 locomotion Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
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- Earth Drilling (AREA)
Abstract
The utility model discloses a well head load fault protection device, stretch into the polished rod ware of packing box other end fixed connection area polished rod eye and along the polished rod of the radial vertical motion of packing box including one end, polished rod upper reaches fixed mounting has the square card, and the explosion-proof stopper of square card lower extreme and packing box fixedly connected with is connected through the wire with the beam-pumping unit switch board, and the explosion-proof stopper beam-pumping unit stop work of square card touching. When a polished rod is broken and falls off, the rope hanger is broken, the front and rear suspension ropes are broken, and the pin of the horse head is broken, the square clamp falls down to touch the elastic flexible connection of the equipment, the switch of the explosion-proof limiter is disconnected, the circuit of the pumping unit is disconnected, the pumping unit stops running, safety accidents are effectively prevented, faults such as idling of the pumping unit, burning out of a motor and the like are avoided, and the safety accident prevention and the effects of saving expenses and reducing consumption are achieved.
Description
Technical Field
The utility model belongs to the technical field of oilfield equipment, concretely relates to well head load fault protection device.
Background
The oil extraction pump hangs darker oil well in the oil field, and in normal production, polished rod stress intensity is big, and the easy accident that appears because of square card screw thread is smeared the knot and is cracked with the polished rod, the polished rod eye is bad, the front and back polished rod is disconnected, and horse head pin horse head drops to be disconnected etc.. After the above-mentioned accident takes place, the motor can continue the operation under the conventional condition, and the oil recovery worker can't foresee, and the unable automatic shutdown of equipment causes the motor to burn out very easily, and the belt rubs off, and switch board and electrical equipment damage, and more serious condition can cause the beam-pumping unit reducing gear box to damage to there are great personal and equipment potential safety hazard, and economic loss.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a well head load fault protection device solves among the prior art because well head upper portion equipment takes off absolutely and causes pumping unit trouble and the extravagant problem of resource.
The utility model adopts the technical proposal that: the utility model provides a well head load fault protection device, includes that one end stretches into the polished rod eye of packing box other end fixed connection area polished rod eye and along the polished rod of the radial vertical motion of packing box, polished rod upper reaches fixed mounting has the square card, and the explosion-proof stopper of square card lower extreme and packing box fixedly connected with is connected through the wire with the beam-pumping unit switch board, and the square card touches explosion-proof stopper beam-pumping unit stop work.
The utility model discloses a characteristics still lie in:
the outer fixed clamp of packing box surface, the support that clamp fixed connection and polished rod are parallel, return bend and the first fixed connection of double-end through taking the screw thread of support, the first fixed connection explosion-proof stopper of double-end, the non-link end of explosion-proof stopper is provided with elasticity flexible coupling along the horizontal direction, elasticity flexible coupling and square card contact cause beam-pumping unit stop work.
The square clamp is located the polished rod and is close to polished rod eye link 1/3 department, and explosion-proof stopper is located and is close to packing box one end 1/4 department.
The clamp is an arc clamp, jackscrews are arranged at two ends of the arc clamp, and the clamp is used for fixing the support and the packing box through the jackscrews respectively.
The elastic soft connection is an elastic sheet made of rubber materials or plastics.
One end of the suspension rope is fixedly connected with the horse head.
The utility model has the advantages that: the utility model is provided with an explosion-proof limiter which is connected with a stop circuit of a power distribution cabinet of the oil pumping unit in series, and is provided with an elastic flexible connection, and a double-square clamp is arranged on the polished rod in the direction perpendicular to the polished rod, when the polished rod is broken and falls off, the rope hanger is broken, the front and rear rope hangers are broken, and the horse head pin is broken, the square clamp and the elastic flexible connection of the equipment touch the switch of the explosion-proof limiter to be disconnected, the circuit of the oil pumping unit is disconnected, and; the double-square clamp is arranged on the polished rod, so that a double-safety function is achieved, and the pumping unit is ensured to stop running in time when a fault occurs; the movable connecting device is provided with the movable connecting link, the jackscrew, the bent pipe with the screw thread and the arc-shaped clamp, so that the installation and the disassembly are convenient, and the normal production is not influenced; the movable joint is arranged, so that the height of the explosion-proof limiter can be conveniently adjusted up and down. The utility model discloses effectively prevent the incident and take place, avoided faults such as beam-pumping unit idle running, motor burnout, played the incident prevention and saved consumption reduction effect.
Drawings
Fig. 1 is a schematic structural diagram of a wellhead load fault protection device of the present invention;
fig. 2 is a schematic diagram of a circuit structure of the explosion-proof limiter and a power distribution cabinet of the oil pumping unit.
In the drawing, 1 part of a horse head, 2 parts of an explosion-proof limiter positive terminal, 3 parts of an explosion-proof limiter negative terminal, 4 parts of an elastic soft connection, 5 parts of a bent pipe with screw threads, 6 parts of a double-screw head, 7 parts of an explosion-proof limiter, 8 parts of a bracket, 9 parts of a jackscrew, 10 parts of a suspension rope, 11 parts of a suspension rope device, 12 parts of a square clamp, 13 parts of a polished rod, 14 parts of a packing box, 16 parts of a clamp, 17 parts of a pumping unit power distribution cabinet, 18 parts of leads A, 19 parts of leads B, 20 parts of a power distribution cabinet negative terminal, 21 parts of a power distribution cabinet positive terminal, 22 parts of a power distribution cabinet door, 23 parts of a pumping unit starting button and 24 parts.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a well head load fault protection device, as shown in fig. 1, stretch into the polished rod eye 11 of 14 other ends fixed connection area polished rod eye 10 of packing box and follow the polished rod 13 of 14 radial vertical motions of packing box including one end, polished rod 13 upper reaches fixed mounting has square card 12 (specific square card 12 is located polished rod 13 and is close to polished rod eye 11 link 1/3 department), square card 12 lower extreme and the 14 fixedly connected with explosion-proof stopper 7 of packing box (specific explosion-proof stopper 7 is located and is close to 14 one end 1/4 departments of packing box), explosion-proof stopper 7 is connected through the wire with the switch board 17 of pumping unit, square card 12 touches 7 explosion-proof stopper pumping unit stop work. 14 outer fixed surface of packing box clamp 16, clamp 16 fixed connection and the parallel support 8 of polished rod 13 (specific clamp 16 is the arc clamp, the arc clamp both ends all are equipped with jackscrew 9, clamp 16 is through jackscrew 9 difference fixed bolster 8 and packing box 14), support 8 is through the return bend 5 and the 6 fixed connection of double-end of taking the screw thread, the explosion-proof stopper 7 of double-end 6 fixed connection, the non-link end of explosion-proof stopper 7 is provided with elasticity flexible connection 4 (the shell fragment that specific elasticity flexible connection 4 was made for rubber materials or plastics along the horizontal direction), elasticity flexible connection 4 and square calliper 12 contact cause beam-pumping unit stop work.
The elastic flexible connection 4 can be repeatedly used for multiple times by utilizing elastic deformation, and the elastic flexible connection 4 can be used after the wellhead loading machine recovers to work normally; the square card 12 is located polished rod 13 and is close to polished rod eye 11 link 1/3 department, explosion-proof stopper 7 is located and is close to packing box 14 one end 1/4 department, through many actual calibrations, here square card 4's effect is the optimal scheme, both guarantee that smooth rod 13 can not touch explosion-proof stopper 7's elasticity flexible coupling 4 in normal work below card 4, can make square card 4 touch explosion-proof stopper 7's elasticity flexible coupling 4 the very first time when the trouble takes place again, make beam-pumping unit stop work.
When the device is used, jackscrews, arc-shaped clamps, a support, a bent pipe with screw threads, double screw heads, an explosion-proof limiter are assembled, a circuit is connected (as shown in figure 2), the explosion-proof limiter is connected with a power distribution cabinet circuit of a pumping unit in series, the distance between the elastic flexible connection of the explosion-proof limiter and a polished rod is adjusted, a wire is buried, the pumping unit is started and normally operated, when equipment on the upper part of the polished rod is broken and taken off, the polished rod falls due to the influence of gravity, falls along with the square card and touches the elastic flexible connection of the explosion-proof limiter, the limit switch of the explosion-proof limiter is disconnected, the pumping unit stops operating, the device effectively prevents safety accidents, avoids the faults of idling of the pumping unit, burnout of a motor and the like, and plays roles.
When the device needs to be overhauled, all the connecting parts are disassembled, and the device is withdrawn, so that the normal operation is not influenced.
Claims (6)
1. The utility model provides a well head load fault protection device, its characterized in that includes polished rod eye (11) that one end stretched into packing box (14) other end fixed connection area polished rod eye (10) and along polished rod (13) of packing box (14) radial vertical motion, polished rod (13) upper reaches fixed mounting has square card (12), square card (12) lower extreme and packing box (14) fixedly connected with explosion-proof stopper (7), explosion-proof stopper (7) are connected through the wire with beam-pumping unit switch board (17), square card (12) touch explosion-proof stopper (7) beam-pumping unit stop work.
2. A wellhead load fault protection device according to claim 1, characterized in that the packing box (14) is externally fixed with a clamp (16), the clamp (16) is fixedly connected with a bracket (8) parallel to the polish rod (13), the bracket (8) is fixedly connected with the double-screw head (6) through a bent pipe (5) with screw threads, the double-screw head (6) is fixedly connected with the explosion-proof stopper (7), the non-connecting end of the explosion-proof stopper (7) is provided with an elastic soft connection (4) along the horizontal direction, and the elastic soft connection (4) is in contact with the square clamp (12) to stop the pumping unit.
3. A wellhead load fault protection device according to claim 1, characterized in that the square clamp (12) is located at the connecting end 1/3 of the polished rod (13) near the polished rod hanger (11), and the explosion-proof stopper (7) is located at the end 1/4 near the packing box (14).
4. A wellhead load fault protection device according to claim 2, characterized in that the clamp (16) is an arc clamp, the arc clamp is provided with jackscrews (9) at two ends, and the clamp (16) is respectively fixed on the bracket (8) and the packing box (14) through the jackscrews (9).
5. A wellhead load fault protection device according to claim 2, characterized in that the resilient flexible connection (4) is a resilient sheet of rubber material or plastic.
6. A wellhead load fault protection device according to claim 1, characterized in that one end of the suspension rope (10) is fixedly connected with the horse head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181720.7U CN210422546U (en) | 2019-07-25 | 2019-07-25 | Well head load fault protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181720.7U CN210422546U (en) | 2019-07-25 | 2019-07-25 | Well head load fault protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210422546U true CN210422546U (en) | 2020-04-28 |
Family
ID=70382817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921181720.7U Expired - Fee Related CN210422546U (en) | 2019-07-25 | 2019-07-25 | Well head load fault protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210422546U (en) |
-
2019
- 2019-07-25 CN CN201921181720.7U patent/CN210422546U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |