CN202936143U - Slow descending device for winch - Google Patents
Slow descending device for winch Download PDFInfo
- Publication number
- CN202936143U CN202936143U CN 201220616854 CN201220616854U CN202936143U CN 202936143 U CN202936143 U CN 202936143U CN 201220616854 CN201220616854 CN 201220616854 CN 201220616854 U CN201220616854 U CN 201220616854U CN 202936143 U CN202936143 U CN 202936143U
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- CN
- China
- Prior art keywords
- bearing
- winch
- bearing seat
- slow descending
- descending device
- 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
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- 238000005553 drilling Methods 0.000 claims abstract description 12
- 125000006850 spacer group Chemical group 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to a slow descending device for a winch. The device is characterized by comprising a gear pump, a shaft, a bearing seat, a bearing, a bearing cover and a gear, wherein the gear pump is connected with the bearing seat; the shaft is arranged in the bearing seat through a spacer and the bearing, positioned axially at the outer end of the bearing seat through the bearing cover and fixed with the bearing seat through a fastener; the gear is arranged on the shaft through a key; an inlet of the gear pump is connected with an oil return passage of a hydraulic system of a drilling machine; and a one-way valve and an electromagnetic overflow valve are connected in parallel between an outlet of the gear pump and the oil return passage of the hydraulic system of the drilling machine. The device has the advantages of simple and compact structure, convenience in operation, low cost, remarkable speed reduction effect and the like, so that the device is particularly suitable to be taken as an auxiliary speed reduction device of the winch.
Description
Technical field
The utility model belongs to water drilling rig manufacturing technology field, particularly relates to a kind of winch slow descending device.
Background technology
Winch is the part of a key in whole water drilling rig equipment, and winch often is equipped with hydraulic brake device, when transferring drilling rod, utilizes hydraulic brake device to slow down to winch.But because working pressure is low, the deceleration effect of hydro retarder is not fairly obvious, and wants optional equipment motor and water pump, also need hang up power-transfer clutch when in use.Above-mentioned winch not only operating sequence is complicated, and has increased use cost to the user.
Summary of the invention
The utility model for solve the technical matters that exists in known technology provide a kind of simple and compact for structure, easy and simple to handle, cost is low and the significant winch slow descending device of deceleration effect.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is:
The winch slow descending device, comprise: gear type pump, axle, bearing seat, bearing, bearing cap shim and gear, described gear type pump connects with bearing seat by fastener, by spacer and bearing, axle is installed in bearing seat, by the bearing cap shim axial location and fix with it by fastener, by key, gear is installed on described axle on the bearing seat outer end; The import of described gear type pump is connected with the oil return line of drilling rig hydraulic system, is connected in parallel to check valve and electromagnetic relief valve between the oil return line of described outlet and drilling rig hydraulic system.
The utility model can also adopt following technical scheme:
Be connected with on described electromagnetic relief valve for the compression indicator that shows the slow descending device operation pressure.
Described electromagnetic relief valve is equipped with the regulating hand wheel of pressure for the operation pressure of regulating slow descending device.
Advantage and the good effect that the utlity model has are: because the utility model adopts technique scheme, being about to gear type pump and valve all is connected on the oil return line of drilling rig hydraulic system, utilize the rotation driven gear pump work of winch cylinder, saved power source; Can realize the switch of slow descending device by the switch of controlling electromagnetic relief valve, save power-transfer clutch; Utilize hydraulic valve that resistance is provided, working pressure is high, the deceleration successful.The advantage such as that this slow descending device has is simple and compact for structure, easy to operate, cost is low, and the deceleration effect is remarkable is therefore be particularly suitable as the auxiliary deceleration device of winch.
Description of drawings
Fig. 1 is constructional drawing of the present utility model;
Fig. 2 is pipeline connection figure of the present utility model.
In figure: 1, gear type pump; 2, check valve; 3, electromagnetic relief valve; 4, flat key; 5, axle; 6, spacer; 7, bearing seat; 8, bearing; 9, bearing cap shim; 10, gear; 11, compression indicator; 12, regulating hand wheel of pressure.
The specific embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
See also Fig. 1 and Fig. 2, the winch slow descending device, comprise: gear type pump 1, axle 5, bearing seat 7, bearing 8, bearing cap shim 9 and gear 10, described gear type pump is connected with bearing seat 7 by fastener, by spacer 6 and bearing 8, axle 5 is installed in bearing seat, on the bearing seat outer end by bearing cap shim 9 axial location and fix by fastener and bearing cap shim.By flat key 4, gear 10 is installed on described axle, described gear 10 is meshed with the gear ring of winch.The import P of described gear type pump is connected with the oil return line of drilling rig hydraulic system, and between the oil return line of described gear delivery side of pump T and drilling rig hydraulic system, parallel connection has check valve 2 and electromagnetic relief valve 3.Be connected with on described electromagnetic relief valve for the compression indicator 11 that shows the slow descending device operation pressure, described electromagnetic relief valve is equipped with the regulating hand wheel of pressure 12 for the operation pressure of regulating slow descending device.
Principle of work of the present utility model is:
When winch promoted, winch driven gear pump rotated, and the fluid flow direction is to arrive the B point from the A point through check valve and gear type pump, and fluid flows gear type pump is not produced obstruction, and then can the lifting of winch not exerted an influence.
When winch is transferred, winch driven gear pump rotates, because electromagnetic relief valve used is open in usual, be equivalent to during no power import and export lead directly to, so the fluid flow direction be from the B point through gear type pump and electromagnetic relief valve to the A point, fluid flows and does not hinder, and can not exert an influence to transferring of winch, and slow descending device is inoperative.
After the electromagnetic relief valve energising, electromagnetic relief valve begins to work, and a resistance is provided for the exit of gear type pump, and then hinders the rotation of winch, reaches the purpose of deceleration.By controlling the break-make of electromagnetic relief valve, can control the switch of slow descending device, and then save power-transfer clutch.Regulate the regulating hand wheel of pressure of electromagnetic relief valve, can increase or reduce the operation pressure of slow descending device, thereby control the resistance that offers winch.Be connected with compression indicator 11 on electromagnetic relief valve, be used for showing the operation pressure of slow descending device.
Claims (3)
1. winch slow descending device, it is characterized in that: comprise gear type pump, axle, bearing seat, bearing, bearing cap shim and gear, described gear type pump connects with bearing seat by fastener, by spacer and bearing, axle is installed in bearing seat, by the bearing cap shim axial location and fix with it by fastener, by key, gear is installed on described axle on the bearing seat outer end; The import of described gear type pump is connected with the oil return line of drilling rig hydraulic system, is connected in parallel to check valve and electromagnetic relief valve between the oil return line of described outlet and drilling rig hydraulic system.
2. winch slow descending device according to claim 1, is characterized in that: be connected with on described electromagnetic relief valve for the compression indicator that shows the slow descending device operation pressure.
3. winch slow descending device according to claim 2 is characterized in that: described electromagnetic relief valve is equipped with the regulating hand wheel of pressure for the operation pressure of regulating slow descending device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616854 CN202936143U (en) | 2012-11-20 | 2012-11-20 | Slow descending device for winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616854 CN202936143U (en) | 2012-11-20 | 2012-11-20 | Slow descending device for winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202936143U true CN202936143U (en) | 2013-05-15 |
Family
ID=48320395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220616854 Expired - Fee Related CN202936143U (en) | 2012-11-20 | 2012-11-20 | Slow descending device for winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202936143U (en) |
-
2012
- 2012-11-20 CN CN 201220616854 patent/CN202936143U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20151120 |
|
| EXPY | Termination of patent right or utility model |