CN203822607U - Ground driving screw pump anti-reverse apparatus - Google Patents
Ground driving screw pump anti-reverse apparatus Download PDFInfo
- Publication number
- CN203822607U CN203822607U CN201420208781.9U CN201420208781U CN203822607U CN 203822607 U CN203822607 U CN 203822607U CN 201420208781 U CN201420208781 U CN 201420208781U CN 203822607 U CN203822607 U CN 203822607U
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- CN
- China
- Prior art keywords
- brake disc
- brake
- pawl
- push pedal
- plate
- 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- Withdrawn - After Issue
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Abstract
The utility model relates to a ground driving screw pump anti- reverse apparatus, which is mainly designed for solving the problem of losing anti-reverse function because of ineffective brake of existing anti-reverse apparatus. The ground driving screw pump anti- reverse apparatus comprises a freewheel clutch, a liquid braking device and a hand-operated brake, a control rack body of the brake disc control rack is installed on a speed reducer main shaft neck; an arc-shaped plate and a pulling plate are set on the control rack body; a screw and a long nut connected to the pulling plate are cooperated by screw thread; a screw rod sleeved with a spring outside extends out from a bracing frame; brake disc rim tooth is set on the brake disc outer circle of the liquid braking device; a trigger pawl is installed inside the brake disc; an opening is set on the brake disc; the trigger pawl and the trigger pawl spring fixed inside the brake disc are fixed; an extension spring on the speed reducer housing is connected with a push pedal; a track groove on the control rack is pinned on a track groove of the push pedal; a ratchet plate is installed on the arc-shaped plate; the push pedal is installed inside a skewed slot of the ratchet plate through a shaft; and a claw is set on the top of the ratchet plate. The advantage of the utility model is that reverse can be prevented when the liquid braking device is ineffective.
Description
Technical field:
The utility model relates to a kind of ground driving screw pump anti-reverse mechanism being contained on Horizontal speed-reducer input shaft neck.
Background technique:
Screw pump is in oil recovery operation process, and its elongated drive link has been put aside higher reverse elasticity energy.When driving stops, this reverse potential energy abrupt release, the device high-speed reverse runnings such as meeting drive pulley, very easily cause the damage of transmission device or human injury occur, or sucker rod connecting thread back-off is got loose, and cause oil well to stop production.The anti-reverse mechanism of current screw pump ground driving device comprises the free wheel device being contained on speed reducer main shaft shell, and be contained in the hydraulic brake at speed reducer main shaft axle neck rear portion, when free wheel device forward, hydraulic brake is separated with the belt pulley on speed reducer main shaft, combination during reversion, hydraulic brake work, realizes braking; Useful manual brake also, the cam of manual brake is pressed on brake disc, the braking of attainment brake hydraulic pressure device.Once but in these two kinds of anti-reverse mechanisms, break is malfunctioning, will lose reverse-rotation preventing function, the upper end of sucker rod can be got rid of curvedly, belt pulley High Rotation Speed, can cause the damage of belt pulley, sometimes also can cause casualties.
Summary of the invention:
Technical problem to be solved in the utility model is to provide and a kind ofly when hydraulic pressure or manual brake are when malfunctioning, also can effectively prevents the safety brake of reversion, can effectively guarantee the ground driving screw pump anti-reverse mechanism of equipment and personal security.
Above-mentioned purpose is achieved in that same as the prior art is that it also comprises free wheel device, hydraulic brake and manual brake, described free wheel device is contained on speed reducer main shaft shell, hydraulic brake is contained in the rear portion of speed reducer main shaft axle neck, and manual brake is contained on the brake disc of hydraulic brake, difference is: we set up brake disc and control frame, brake disc is controlled the control support body that frame comprises ring, the control support body of ring is sleeved on the speed reducer main shaft axle neck at hydraulic brake rear, the control support body bottom of ring is fixed with arc plate, the control support body top of ring is fixed with arm-tie, long nut links together by little axle and arm-tie, one end of screw rod and long nut screw-thread fit, the other end of screw rod stretches out from supporting frame, supporting frame is fixed on reducer shell, screw rod outside is set with spring, one end of spring withstands on long nut, the other end of spring withstands on supporting frame,
On the brake disc cylindrical of hydraulic brake, be equipped with Moving plate uncinus, in near brake disc brake disc uncinus, establish triggering pawl, triggering pawl is contained in brake disc by little axle, on the circle end face of brake disc, have the opening stretching out for triggering pawl front end, trigger the rear end of pawl and fix with the front end that triggers latch spring, the rear end of triggering latch spring is fixed in brake disc; Also comprise extension spring, the rear end of extension spring is fixed on reducer shell, and the front end of extension spring and the rear end of push pedal are connected and fixed, and has the track groove identical with brake disc cylindrical radian in push pedal, the track groove pin of controlling on frame is contained in the track groove of push pedal, and track groove moves along track groove pin; Pawl plate is contained on the arc plate of controlling frame bottom by pawl plate axle, has skewed slot on pawl plate, and the push pedal axle of push pedal front end is contained in the skewed slot of pawl plate, and push pedal and pawl plate are linked together, and the top of pawl plate is connected with claw.
Also comprise the snubber block of making of rubber, snubber block is fixed on the brake disc holding frame of hydraulic brake in arc plate the place ahead of controlling frame bottom.
Working principle of the present utility model and advantage: when hydraulic brake is malfunctioning, belt pulley speed reversal raises, rotating speed is higher than 100 revs/min, trigger pawl stretches out under the effect of centrifugal force from the opening of brake disc, drive push pedal displacement forward, the push pedal axle of push pedal front end moves in the skewed slot of pawl plate, and the claw at pawl plate top is withstood on brake disc uncinus, realize braking, prevent that reversion from occurring.During releasing, first turn screw rod, brake disc control frame and brake disc interlock are subjected to displacement, forward; With manual brake, brake disc is blocked, then turn screw rod and make brake disc control frame to reverse claw and brake disc uncinus are departed from, under the effect of extension spring, pawl plate and push pedal are playbacked.Advantage is when hydraulic brake is malfunctioning, and it can make the brake disc of hydraulic brake stop operating, thereby prevents the generation of reversion, belongs to auxiliary speed-limiting safety device.Can effectively protect equipment and personal security, and can complete and discharge sucker rod potential energy by manual brake.
Accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model, and in figure, 27 is speed reducer main shafts;
Fig. 2 is A-A view of Fig. 1, and in figure, 27 is speed reducer main shafts.
Embodiment:
With reference to Fig. 1,2, same as the prior art is that it also comprises free wheel device 1, hydraulic brake 2 and manual brake 3, described free wheel device is contained on speed reducer main shaft shell, hydraulic brake is contained in the rear portion of speed reducer main shaft axle neck 4, and manual brake is contained on the brake disc 5 of hydraulic brake, difference is: we set up brake disc and control frame 6, brake disc is controlled the control support body 6-1 that frame comprises ring, the control support body of ring is sleeved on the speed reducer main shaft axle neck at hydraulic brake rear, the control support body bottom of ring is fixed with arc plate 6-2, the control support body top of ring is fixed with arm-tie 6-3, long nut 7 is connected with arm-tie 6-3 by little axle, one end of screw rod 8 and long nut 7 screw-thread fit, the other end of screw rod stretches out from supporting frame 9, supporting frame is fixed on reducer shell 10, screw rod outside is set with spring 11, one end of spring withstands on long nut, the other end of spring withstands on supporting frame,
On brake disc 25 cylindricals of hydraulic brake, be equipped with Moving plate uncinus 12, in near brake disc brake disc uncinus, establish and trigger pawl 13, triggering pawl is contained in brake disc by little axle, on the circle end face of brake disc, have the opening stretching out for triggering pawl front end, trigger the rear end of pawl and fix with the front end that triggers latch spring 14, the rear end of triggering latch spring is fixed in brake disc; Also comprise extension spring 15, the rear end of extension spring is fixed on reducer shell, and the rear end of the front end of extension spring and push pedal 16 is connected and fixed, and has the track groove 17 identical with brake disc cylindrical radian in push pedal, the track groove pin 26 of controlling on frame is contained in the track groove of push pedal, and track groove moves along track groove pin; Pawl plate 18 is contained on the arc plate of controlling frame bottom by pawl plate axle 23, has skewed slot 19 on pawl plate, and the push pedal axle 20 of push pedal front end is contained in the skewed slot of pawl plate, and push pedal and pawl plate are linked together, and the top of pawl plate is connected with claw 21.
Also comprise the snubber block 22 of making of rubber, snubber block is fixed on the brake disc holding frame 24 of hydraulic brake in arc plate the place ahead of controlling frame bottom.
Claims (2)
1. ground driving screw pump anti-reverse mechanism, comprise free wheel device (1), hydraulic brake (2) and manual brake (3), described free wheel device is contained on speed reducer main shaft shell, hydraulic brake is contained in the rear portion of speed reducer main shaft axle neck (4), and manual brake is contained on the brake disc (5) of hydraulic brake, it is characterized in that: also comprise brake disc control frame (6), brake disc is controlled the control support body (6-1) that frame comprises ring, the control support body of ring is sleeved on the speed reducer main shaft axle neck at hydraulic brake rear, the control support body bottom of ring is fixed with arc plate (6-2), the control support body top of ring is fixed with arm-tie (6-3), long nut (7) is connected with arm-tie (6-3) by little axle, one end of screw rod (8) and long nut (7) screw-thread fit, the other end of screw rod stretches out from supporting frame (9), supporting frame is fixed on reducer shell (10), screw rod outside is set with spring (11), one end of spring withstands on long nut, the other end of spring withstands on supporting frame,
On brake disc (25) cylindrical of hydraulic brake, be equipped with Moving plate uncinus (12), in near brake disc brake disc uncinus, establish and trigger pawl (13), triggering pawl is contained in brake disc by little axle, on the circle end face of brake disc, have the opening stretching out for triggering pawl front end, trigger the rear end of pawl and fix with the front end that triggers latch spring (14), the rear end of triggering latch spring is fixed in brake disc; Also comprise extension spring (15), the rear end of extension spring is fixed on reducer shell, the rear end of the front end of extension spring and push pedal (16) is connected and fixed, and has the track groove (17) identical with brake disc cylindrical radian in push pedal, and the track groove pin (26) of controlling on frame is contained in the track groove of push pedal; Pawl plate (18) is contained on the arc plate of controlling frame bottom by pawl plate axle (23), on pawl plate, have skewed slot (19), the push pedal axle (20) of push pedal front end is contained in the skewed slot of pawl plate, and push pedal and pawl plate are linked together, and the top of pawl plate is connected with claw (21).
2. according to ground driving screw pump anti-reverse mechanism claimed in claim 1, it is characterized in that: also comprise the snubber block (22) of making of rubber, snubber block is fixed on the brake disc holding frame (24) of hydraulic brake in arc plate the place ahead of controlling frame bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208781.9U CN203822607U (en) | 2014-04-28 | 2014-04-28 | Ground driving screw pump anti-reverse apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208781.9U CN203822607U (en) | 2014-04-28 | 2014-04-28 | Ground driving screw pump anti-reverse apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822607U true CN203822607U (en) | 2014-09-10 |
Family
ID=51478117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420208781.9U Withdrawn - After Issue CN203822607U (en) | 2014-04-28 | 2014-04-28 | Ground driving screw pump anti-reverse apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939328A (en) * | 2014-04-28 | 2014-07-23 | 韩全伟 | Surface drive screw pump anti-reversion device |
-
2014
- 2014-04-28 CN CN201420208781.9U patent/CN203822607U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939328A (en) * | 2014-04-28 | 2014-07-23 | 韩全伟 | Surface drive screw pump anti-reversion device |
| CN103939328B (en) * | 2014-04-28 | 2015-12-30 | 韩全伟 | Ground driving screw pump anti-reverse mechanism |
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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 |
Granted publication date: 20140910 Effective date of abandoning: 20151230 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |