CN211501149U - Speed regulation throttling device for hydraulic equipment - Google Patents
Speed regulation throttling device for hydraulic equipment Download PDFInfo
- Publication number
- CN211501149U CN211501149U CN202020115853.0U CN202020115853U CN211501149U CN 211501149 U CN211501149 U CN 211501149U CN 202020115853 U CN202020115853 U CN 202020115853U CN 211501149 U CN211501149 U CN 211501149U
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- Prior art keywords
- adjusting
- speed
- oil
- inner cavity
- hydraulic equipment
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- 239000003921 oil Substances 0.000 abstract description 39
- 239000010720 hydraulic oil Substances 0.000 abstract description 19
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
The utility model discloses a speed governing throttling arrangement for hydraulic equipment, including the speed governing throttling arrangement body, the left side of speed governing throttling arrangement body is provided with the oil inlet, the right side of speed governing throttling arrangement body is provided with the oil-out, the inside of speed governing throttling arrangement body is provided with first inner chamber, the top of speed governing throttling arrangement body is fixed with the spliced pole, and the top of spliced pole is fixed with the ring carrier, the top of ring carrier is fixed with swivel mount, and the inside of swivel mount sets up threaded hole, the inside of spliced pole is inserted and is equipped with the regulation pole, and the top of adjusting the pole is fixed with the hand wheel, the one end that the regulation pole surface is close to the hand wheel is provided with the external screw thread. The utility model discloses be provided with and adjust the top, utilize to adjust the top and adjust the hydraulic oil velocity of flow, control hydraulic equipment functioning speed has set up the pressure reduction hole and has been used for discharging hydraulic oil, reduces the oil pressure, and need not additionally be equipped with the overflow valve and reduce the pressure.
Description
Technical Field
The utility model relates to a hydraulic equipment technical field specifically is a speed governing throttling arrangement for hydraulic equipment.
Background
The hydraulic machine is a machine which uses liquid as working medium and is made up according to Pascal principle for transferring energy to implement various processes, and is generally formed from three portions of machine (main machine), power system and hydraulic control system.
When current hydraulic equipment is using, all require basically to have the speed governing function to hydraulic equipment's operating speed is adjusted as required, and the speed governing of hydraulic press is usually realized through the choke valve, but when being equipped with the choke valve, still need dispose the overflow valve usually and reduce the oil pressure, guarantees equipment steady operation, and the choke valve itself does not have the decompression function, therefore the speed governing throttling arrangement who is used for hydraulic equipment that needs a urgent need solves above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a speed governing throttling arrangement for hydraulic equipment to solve the problem that the choke valve itself that provides lacks the decompression function among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a speed regulation throttling device for hydraulic equipment comprises a speed regulation throttling device body, wherein an oil inlet is formed in the left side of the speed regulation throttling device body, an oil outlet is formed in the right side of the speed regulation throttling device body, a first inner cavity is formed in the speed regulation throttling device body, a connecting column is fixed at the top end of the speed regulation throttling device body, an annular frame is fixed at the top end of the connecting column, a rotary seat is fixed at the top end of the annular frame, a threaded hole is formed in the rotary seat, an adjusting rod is inserted in the connecting column, a hand wheel is fixed at the top end of the adjusting rod, an external thread is arranged at one end, close to the hand wheel, of the surface of the adjusting rod, an adjusting top head is fixedly connected at the bottom end of the adjusting rod, a second inner cavity is formed in the bottom end of the speed regulation throttling device body, the top end of the reset spring is fixedly connected with a pressure reduction top head, and the left side of the second inner cavity is provided with a backflow port.
Preferably, the first inner cavity is communicated with the oil inlet and the oil outlet, and an adjusting channel is arranged at the middle position of the first inner cavity.
Preferably, the adjusting plug is inserted into the adjusting passage, and the adjusting plug divides the first inner cavity into two parts from the adjusting passage.
Preferably, the external thread is matched with the threaded hole, and the adjusting rod and the rotating seat form a spiral rotating structure.
Preferably, the specific position of the external thread is up to the joint of the adjusting rod and the hand wheel and down to the joint of the adjusting rod and the bottom end of the annular frame.
Preferably, a pressure reduction hole is formed between the second inner cavity and the first inner cavity, and the pressure reduction top head abuts against the opening of the pressure reduction hole.
Compared with the prior art, the beneficial effects of the utility model are that: the speed-regulating throttling device for the hydraulic equipment is provided with the regulating ejector, the flow velocity of hydraulic oil is regulated by utilizing the regulating ejector, the running speed of the hydraulic equipment is controlled, the pressure reducing hole is formed for discharging the hydraulic oil, the oil pressure is reduced, and an overflow valve does not need to be additionally arranged for reducing the pressure.
(1) The device is provided with an adjusting top head, and the relative position of the adjusting top head and an adjusting channel is adjusted to control the size of a gap between the adjusting top head and the adjusting channel, so that the flow rate of hydraulic oil is adjusted, and the running speed of hydraulic equipment is controlled.
(2) The device is through setting up the step-down hole between first inner chamber and second inner chamber, and rethread reset spring will step down the top and contradict in the step-down hole, and when the oil pressure increase, hydraulic oil can push open the step-down top, flows away from the step-down hole to reduce the oil pressure of oil inlet department, guarantee equipment steady operation.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1A according to the present invention;
fig. 4 is a schematic top view of the structure of the middle ring frame and the rotary seat of the present invention.
In the figure: 1. a speed regulating throttling device body; 2. an oil inlet; 3. an oil outlet; 4. a first lumen; 5. adjusting the channel; 6. connecting columns; 7. an annular frame; 8. a rotating base; 9. a threaded hole; 10. adjusting a rod; 11. an external thread; 12. a hand wheel; 13. adjusting the plug; 14. a second lumen; 15. a pressure reduction well; 16. a return spring; 17. a decompression top head; 18. a return port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a speed regulation throttling device for hydraulic equipment comprises a speed regulation throttling device body 1, wherein an oil inlet 2 is formed in the left side of the speed regulation throttling device body 1, the oil inlet 2 is used for being connected with an oil pump, an oil outlet 3 is formed in the right side of the speed regulation throttling device body 1, the oil outlet 3 is used for being connected with a hydraulic cylinder, a first inner cavity 4 is formed in the speed regulation throttling device body 1, a connecting column 6 is fixed at the top end of the speed regulation throttling device body 1, an annular frame 7 is fixed at the top end of the connecting column 6, a rotary seat 8 is fixed at the top end of the annular frame 7, a threaded hole 9 is formed in the rotary seat 8, an adjusting rod 10 is inserted into the connecting column 6, a hand wheel 12 is fixed at the top end of the adjusting rod 10, an external thread 11 is formed in one end, close to the hand wheel 12, of the surface of the adjusting rod 10, an adjusting top, and the bottom fixedly connected with reset spring 16 of second inner chamber 14, the top fixedly connected with step-down top 17 of reset spring 16, the left side of second inner chamber 14 is provided with return port 18, and return port 18 is used for connecting the oil tank, leads the oil that spills over back to the oil tank.
The first inner cavity 4 is communicated with the oil inlet 2 and the oil outlet 3, an adjusting channel 5 is arranged at the middle position of the first inner cavity 4, hydraulic oil is input from the oil inlet 2 and output from the oil outlet 3, and passes through the first inner cavity 4 in the middle, wherein the adjusting channel 5 is a position for flow adjustment, an adjusting top head 13 is inserted in the adjusting channel 5, the adjusting top head 13 divides the first inner cavity 4 into two parts from the adjusting channel 5, the adjusting top head 13 is used for adjusting the flow, when the adjusting top head 13 is inserted in the adjusting channel 5, the adjusting channel 5 is blocked by the adjusting top head 13, the hydraulic oil cannot pass through, when the adjusting top head 13 is drawn out from the adjusting channel 5, a gap is generated at the opening of the adjusting top head 13 and the adjusting channel 5 to allow the hydraulic oil to pass through, the size of the gap determines the speed of the hydraulic oil to flow, the external thread 11 is matched with the threaded hole 9, the adjusting rod 10 and the rotating seat 8 form a spiral, adjust pole 10 and rotate on roating seat 8 and can adjust the position of adjusting the top 13 for adjusting passageway 5, thereby adjust and adjust the effect that the clearance size between top 13 and the regulation passageway 5 reached and adjust the hydraulic oil velocity of flow, the concrete position of external screw thread 11 goes up to the junction of adjusting pole 10 and hand wheel 12, down to the junction of adjusting pole 10 and ring frame 7 bottom, second inner chamber 14 and first inner chamber 4 between seted up step-down hole 15, step-down top 17 is contradicted in the opening part of step-down hole 15, when first inner chamber 4 internal pressure is too big, hydraulic oil can be backed down and opened step-down top 17 and flow into in second inner chamber 14, rethread backward flow mouth 18 flows into the oil tank.
The working principle is as follows: during the use, at first with oil inlet 2 and oil pump connection, be connected oil-out 3 and pneumatic cylinder, be connected backward flow mouth 18 and oil tank, the oil pump extracts hydraulic oil from the oil tank and carries the pneumatic cylinder in through this equipment, then promotes the motion of hydraulic stem.
Inside hydraulic oil got into this device through oil inlet 2, when flowing to regulation passageway 5 department, because the hindrance effect of adjusting top 13, the velocity of flow of hydraulic oil can receive the restriction, can adjust the position of adjusting top 13 for adjusting passageway 5 through rotating hand wheel 12 to adjust the size of the velocity of flow of hydraulic oil, then hydraulic oil flows from oil-out 3, and speed has just received the change, and the speed of hydraulic equipment work has also obtained correspondingly and has adjusted.
In the process, because the speed of the oil pump for pumping the hydraulic oil is constant, the oil pressure at the end, communicated with the oil inlet 2, of the first inner cavity 4 is increased, at the moment, the hydraulic oil acts on the pressure reduction hole 15 to push the pressure reduction top head 17 open and flow into the second inner cavity 14, and then flows back to the oil tank through the return port 18 for continuous use, so that the oil pressure at the end of the oil inlet 2 is reduced, and the damage to equipment caused by overhigh oil pressure can be avoided.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a speed governing throttling arrangement for hydraulic equipment, includes speed governing throttling arrangement body (1), its characterized in that: an oil inlet (2) is formed in the left side of the speed-regulating throttling device body (1), an oil outlet (3) is formed in the right side of the speed-regulating throttling device body (1), a first inner cavity (4) is formed in the speed-regulating throttling device body (1), a connecting column (6) is fixed at the top end of the speed-regulating throttling device body (1), an annular frame (7) is fixed at the top end of the connecting column (6), a rotary seat (8) is fixed at the top end of the annular frame (7), a threaded hole (9) is formed in the rotary seat (8), an adjusting rod (10) is inserted into the connecting column (6), a hand wheel (12) is fixed at the top end of the adjusting rod (10), external threads (11) are formed in one end, close to the hand wheel (12), of the surface of the adjusting rod (10), and an adjusting top head (13) is fixedly, the speed regulation throttling device is characterized in that a second inner cavity (14) is formed in the bottom end of the interior of the speed regulation throttling device body (1), a return spring (16) is fixedly connected to the bottom end of the second inner cavity (14), a pressure reduction top (17) is fixedly connected to the top end of the return spring (16), and a return port (18) is formed in the left side of the second inner cavity (14).
2. The governor throttling apparatus for hydraulic equipment according to claim 1, wherein: first inner chamber (4) intercommunication oil inlet (2) and oil-out (3), and the intermediate position of first inner chamber (4) is provided with adjusts passageway (5).
3. An adjustable speed throttle device for hydraulic equipment according to claim 2, wherein: the adjusting ejector head (13) is inserted into the adjusting channel (5), and the adjusting ejector head (13) divides the first inner cavity (4) into two parts from the adjusting channel (5).
4. The governor throttling apparatus for hydraulic equipment according to claim 1, wherein: the external thread (11) is matched with the threaded hole (9), and the adjusting rod (10) and the rotating seat (8) form a spiral rotating type structure.
5. The governor throttling apparatus for hydraulic equipment according to claim 4, wherein: the specific position of the external thread (11) is up to the joint of the adjusting rod (10) and the hand wheel (12) and down to the joint of the adjusting rod (10) and the bottom end of the annular frame (7).
6. The governor throttling apparatus for hydraulic equipment according to claim 1, wherein: a pressure reduction hole (15) is formed between the second inner cavity (14) and the first inner cavity (4), and the pressure reduction top head (17) is abutted to the opening of the pressure reduction hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115853.0U CN211501149U (en) | 2020-01-18 | 2020-01-18 | Speed regulation throttling device for hydraulic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115853.0U CN211501149U (en) | 2020-01-18 | 2020-01-18 | Speed regulation throttling device for hydraulic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501149U true CN211501149U (en) | 2020-09-15 |
Family
ID=72400621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020115853.0U Expired - Fee Related CN211501149U (en) | 2020-01-18 | 2020-01-18 | Speed regulation throttling device for hydraulic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501149U (en) |
-
2020
- 2020-01-18 CN CN202020115853.0U patent/CN211501149U/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: 20200915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |