CN208268341U - A kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve - Google Patents
A kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve Download PDFInfo
- Publication number
- CN208268341U CN208268341U CN201820724634.5U CN201820724634U CN208268341U CN 208268341 U CN208268341 U CN 208268341U CN 201820724634 U CN201820724634 U CN 201820724634U CN 208268341 U CN208268341 U CN 208268341U
- Authority
- CN
- China
- Prior art keywords
- pump impeller
- chamber
- turbine
- auxiliary
- outdoor shell
- 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.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a kind of soft starting devices, belong to coal mine machinery field, specifically a kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve.The coupling device includes the input module being connected to the motor, the output precision being connected with retarder；Input module is made of motor connector sleeve, elastomer block, terminal pad, pump impeller connector sleeve, two pump impellers, two auxiliary outdoor shells；Output precision is made of two turbines and transmission shaft arranged back-to-back；In two pump impellers, installation is centrifuged valve module respectively behind; with the variation of pump impeller revolving speed; the opening and closing of centrifugal valve through-hole is controlled using the interaction of the centrifugal force of the elastic force and spool of centrifugation valve group inner spring; to adjust working chamber internal-filling liquid amount; it is effectively improved its Soft Starting Performance and overload protection performance, the operation especially suitable for powerful device.
Description
Technical field
The utility model relates to a kind of soft starting devices, belong to coal mine machinery field, specifically a kind of band centrifugal valve
Two-chamber load limiting type of constant filling fluid coupling.
Background technique
Currently, prolonging with centrifugal valve fills formula coupling device with stronger soft-start feature and overload protection function.It is to electricity
The common load limiting type of constant filling fluid coupling of the impulse ratio of net is smaller, and it is that current coal mine equipment (elevating conveyor, crusher) can not that maintenance is simple
Lack matching component.
With the actual demand that the quickening of coal mine modernization, coal production capacity are promoted, long haul distance, large conveying quantity, superduty
Drag conveyor application gradually increases, and the matched elevating conveyor of crossheading, crusher gradually develop to high-power direction.As soft start
The impeller diameter of the single-chamber fluid-flywheel clutch of device also accordingly becomes larger, if impeller linear velocity reaches capacity, single-chamber fluid coupling
Device can not be achieved to powerful transmitting.The two-space fluid coupling transmitting power of normal lumen type is approximately equal to the two of single-chamber
Times, but radial dimension can reduce by 13%.It will be very significant at this point, improving transmitting power using two-space fluid coupling.
The advantages of filling formula coupling device, two-space fluid coupling in conjunction with limit square fluid-flywheel clutch, prolonging with centrifugal valve, design one
Kind of the two-chamber load limiting type of constant filling fluid coupling with centrifugal valve, can not only transmit bigger power, and by the unlatching of centrifugal valve,
It closes and adjusts working chamber internal-filling liquid amount, to be effectively improved its Soft Starting Performance and overload protection performance, and have temperature, pressure
Power duplicate protection measure.
Summary of the invention
The utility model provides a kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve, is suitable for high-power coal mine equipment
Two-chamber load limiting type of constant filling fluid coupling used in (elevating conveyor, crusher) has good Soft Starting Performance and overload protection function
Energy；And have temperature, pressure dual safeguard measure.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of two-chamber distance-limiting type liquid with centrifugal valve
Couple clutch, including motor connector sleeve 1, elastomer block 2, terminal pad 3, left pump impeller 6, right pump impeller 9, left turbine 16, right turbine 15, from
Heart valve module 18, auxiliary outdoor shell I 4, auxiliary outdoor shell II 11；Motor connector sleeve 1 is coupled with terminal pad 3 by elastomer block 2；Even
It connects disk 3, auxiliary outdoor shell I 4, left pump impeller 6, pump impeller connector sleeve 7, right pump impeller 9 and auxiliary outdoor shell II 11 and passes sequentially through screw connection
It connects；Left turbine 16 is arranged back-to-back with right turbine 15, is fixed on transmission shaft 20 by screw.
A kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve, the blade district's groups of left pump impeller 6 and left turbine 16
At working chamber A, the vane region of right pump impeller 9 and right turbine 15 forms working chamber B, outside auxiliary outdoor shell I 4 and left pump impeller 6, ancillary chamber
Cavity between shell II 11 and right pump impeller 9 forms backward auxiliary chamber C, D, left pump impeller 6 and left turbine 16, right pump impeller 9 and right turbine 15 it
Between on-bladed area formed forward auxiliary chamber E, F, between left turbine 16, right turbine 15 formed the auxiliary chamber G in side；In left turbine 16, right turbine
Choked flow disk 17 with flowing hole e is installed at 15 blade top rakes, while utilizing forward auxiliary chamber E, F, backward auxiliary chamber C, D and the auxiliary chamber G in side increase
Square ability is limited, makes its performance better than general two-space fluid coupling；Be respectively set on left pump impeller 6, right pump impeller 9 flowing hole a,
B is connected to working chamber A, B with backward auxiliary chamber C, D respectively, installs centrifugation valve module 18, centrifugal valve behind in left pump impeller 6, right pump impeller 9
Through-hole g is connected to flowing hole c, d, when motor overload or pressure drop of grid, according to the centrifugation of the elastic force of spring 23 and spool 24
Interacting to control the opening and closing of centrifugal valve through-hole g for power, adjusts the liquid filled ratio of coupler rotor chamber.
Steel bushing 13 is set at the left pump impeller 6,9 bearing position of right pump impeller, and setting fixation clip 14 uses screw at oil seal seat
It is fixed on left pump impeller 6, on right pump impeller 9, reduces impact of the water flow to oil sealing；Left pump impeller 6 and auxiliary outdoor shell I 4, right pump impeller 9
Positioning pin 19 is installed between auxiliary outdoor shell II 11.
Two fluid injection plugs 5 are set on the left pump impeller 6；Two fusible plugs, 10, two explosion-proof plugs are set on right pump impeller 9
12, it when fluid temperature is more than limit value, is protected by fusible plug drainage, when pressure is more than limit value, is let out by explosion-proof plug
Liquid protection.
The terminal pad 3 and auxiliary outdoor shell I 4, auxiliary outdoor shell I 4 and left pump impeller 6, left pump impeller 6 and pump impeller connector sleeve
7, steel-wire screw-socket 8, Ke Yiti is used at pump impeller connector sleeve 7 and right pump impeller 9, right pump impeller 9 and II 11 tapped blind hole of auxiliary outdoor shell
The abrasion resistance properties of high screw connection, the internal screw thread of enhancing and protection connection place.
The beneficial effects of the utility model are: the transmitting power for improving equipment reduces diameter compared to single-chamber coupling device
To size, the impact to power grid is reduced, the adjustable range of coupler rotor chamber liquid filled ratio is increased, is able to satisfy different operating conditions to work
The demand for making chamber liquid filled ratio is effectively improved the starting performance and overload protection performance of coupling device.
Detailed description of the invention
Fig. 1 is a kind of two-chamber load limiting type of constant filling fluid coupling structural schematic diagram with centrifugal valve of the utility model.
Fig. 2 is the utility model centrifugal valve structural schematic diagram.
As shown in the figure, 1, connector sleeve, 2, elastomer block, 3, terminal pad, 4, auxiliary outdoor shell I, 5, fluid injection plug, 6, left pump impeller,
7, pump impeller connector sleeve, 8, steel-wire screw-socket, 9, right pump impeller, 10, fusible plug, 11, auxiliary outdoor shell II, 12, explosion-proof plug, 13, steel bushing,
14, fixation clip, 15, right turbine, 16, left turbine, 17, choked flow disk, 18, centrifugation valve module, 19, positioning pin, 20, transmission shaft,
21, screw plug, 22, valve body, 23, spring, 24, spool, A, B, working chamber, C, D, backward auxiliary chamber, G, the auxiliary chamber in side, a, b, c, d, e overcurrent
Hole, f, screw hole, g, through-hole.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing:
A kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve of the utility model: the blade of left pump impeller 6 and left turbine 16
District's groups are at working chamber A, the vane region composition working chamber B of right pump impeller 9 and right turbine 15, auxiliary outdoor shell I 4 and left pump impeller 6, auxiliary
Cavity between chamber enclosure II 11 and right pump impeller 9 forms backward auxiliary chamber C, D, left pump impeller 6 and left turbine 16, right pump impeller 9 and right turbine
On-bladed area between 15 forms forward auxiliary chamber E, F, and the auxiliary chamber G in side is formed between left turbine 16, right turbine 15, installs choked flow disk 17 additional,
Forward auxiliary chamber E, F are utilized simultaneously, and the auxiliary chamber G increase limit square ability of backward auxiliary chamber C, D and side keeps its performance even better than general two-chamber fluid power
Clutch.Flowing hole a, b is respectively set on left pump impeller 6, right pump impeller 9, is connected to working chamber A, B with backward auxiliary chamber I, II respectively,
Left pump impeller 6, right pump impeller 9 install centrifugation valve module 18 behind, and centrifugal valve through-hole g is connected to flowing hole c, d, when motor operates, root
The opening and closing that centrifugal valve through-hole g is controlled according to the interaction of the centrifugal force of the elastic force and spool 24 of spring 23, adjusts coupling device work
Make the liquid filled ratio of chamber, the diameter and quantity of flowing hole are related with coupling device model.
Motor initial start, revolving speed is not high, and the centrifugal force of centrifugation valve core 24 is not enough to overcome the elastic force of spring 23, centrifugation
Valve through-hole g is in the open state, treatment fluid flow through forward auxiliary chamber E, F by centrifugal valve through-hole g at flowing hole c, d flow to backward auxiliary chamber C,
Liquid in D, working chamber A, B is further reduced；With the raising of revolving speed, the centrifugal force for being centrifuged valve core 24 is greater than spring 23
Elastic force causes centrifugal valve through-hole g to close, and the liquid in backward auxiliary chamber C, D flows back to working chamber by flowing hole a, b, as backward auxiliary chamber C, D
Interior working solution emptying, when working solution almost all is added in working chamber A, B, makes the coupling device reach maximum transmission capacity.
Work as motor overload, revolving speed is caused to drop to setting speed, centrifugal valve through-hole g is in the open state, treatment fluid flow warp
Forward auxiliary chamber E, F flow to backward auxiliary chamber C, D by centrifugal valve through-hole g at flowing hole c, d, which transmits torque and reduce, and drive simultaneously
Dynamic motor unloading, load reduction increases motor speed, and as motor speed improves, centrifugal valve through-hole g is closed, and working solution passes through
Flowing hole a, b are gradually flowed back into working chamber A, B, coupling device restore operate normally, the process with load variation, cause from
The opening and closing of heart valve through-hole g carries out overload protection to equipment.
When there is voltage drop, output power of motor is reduced, and motor speed drops to setting speed, and centrifugal valve through-hole g is in
Opening state, liquid is reduced in working chamber A, B, and motor load reduces, and is again speeded up, and centrifugal valve through-hole g is closed, and working solution returns
In working chamber A, B.The coupling device can make full use of the peak power of motor, and the opening-closing process of centrifugal valve is repeated several times, until
Voltage restores normal, operates normally equipment.
Claims (5)
1. a kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve, it is characterised in that: including motor connector sleeve (1), elastomer block
(2), terminal pad (3), left pump impeller (6), right pump impeller (9), left turbine (16), right turbine (15), centrifugation valve module (18), ancillary chamber
Shell I (4), auxiliary outdoor shell II (11)；Motor connector sleeve (1) is coupled with terminal pad (3) by elastomer block (2)；Terminal pad
(3), auxiliary outdoor shell I (4), left pump impeller (6), pump impeller connector sleeve (7), right pump impeller (9) successively lead to auxiliary outdoor shell II (11)
Cross screw attachment；Left turbine (16) and right turbine (15) are arranged back-to-back, are fixed on transmission shaft (20) by screw.
2. a kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve according to claim 1, it is characterised in that: left pump impeller
(6) working chamber A, the vane region composition working chamber B of right pump impeller (9) and right turbine (15) are formed with the vane region of left turbine (16),
Cavity between auxiliary outdoor shell I (4) and left pump impeller (6), auxiliary outdoor shell II (11) and right pump impeller (9) forms backward auxiliary chamber C, D,
On-bladed area between left pump impeller (6) and left turbine (16), right pump impeller (9) and right turbine (15) forms forward auxiliary chamber E, F, left turbine
(16), the auxiliary chamber G in side is formed between right turbine (15)；The installation band flowing hole e at left turbine (16), right turbine (15) blade top rake
Choked flow disk (17), while forward auxiliary chamber E, F, backward auxiliary chamber C, D and the auxiliary chamber G in side increase limit square ability are utilized, in left pump impeller (6), right
Flowing hole a, b is respectively set on (9) in pump impeller, is connected to working chamber A, B with backward auxiliary chamber C, D respectively, in left pump impeller (6), right pump impeller
(9) installation centrifugation valve module (18), centrifugal valve through-hole g are connected to flowing hole c, d behind.
3. a kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve according to claim 1, it is characterised in that: described
Left pump impeller (6), right pump impeller (9) bearing position at steel bushing (13) are set, setting fixation clip (14) is screwed at oil seal seat
In on left pump impeller (6), right pump impeller (9), left pump impeller (6) and auxiliary outdoor shell I (4), right pump impeller (9) and auxiliary outdoor shell II (11)
Between install positioning pin (19).
4. a kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve according to claim 1, it is characterised in that: described
Two fluid injection plugs (5) are set on left pump impeller (6), two fusible plugs (10), two explosion-proof plugs (12) are set on right pump impeller (9), are made
It has temperature, pressure dual safeguard measure.
5. a kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve according to claim 1, it is characterised in that: described
Terminal pad (3) and auxiliary outdoor shell I (4), auxiliary outdoor shell I (4) and left pump impeller (6), left pump impeller (6) and pump impeller connector sleeve (7),
Steel-wire screw-socket is used at pump impeller connector sleeve (7) and right pump impeller (9), right pump impeller (9) and auxiliary outdoor shell II (11) tapped blind hole
(8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820724634.5U CN208268341U (en) | 2018-05-16 | 2018-05-16 | A kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820724634.5U CN208268341U (en) | 2018-05-16 | 2018-05-16 | A kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208268341U true CN208268341U (en) | 2018-12-21 |
Family
ID=64682887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820724634.5U Active CN208268341U (en) | 2018-05-16 | 2018-05-16 | A kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208268341U (en) |
-
2018
- 2018-05-16 CN CN201820724634.5U patent/CN208268341U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208268341U (en) | A kind of two-chamber load limiting type of constant filling fluid coupling with centrifugal valve | |
| CN107605741B (en) | A kind of multistage discharge capacity is adjustable from cooling water pump | |
| CN201502761U (en) | Pressure reducing valve with composite valve | |
| CN202707690U (en) | Hydraulic system and engineering machinery | |
| CN204610174U (en) | A kind of regulable speed type emulsion power pack | |
| CN105715590A (en) | Unloading valve and loader variable speed hydraulic system | |
| CN103591246B (en) | A kind of two-chamber load limiting type of constant filling fluid coupling | |
| CN103498797A (en) | Parallel type self-balancing multi-stage centrifugal pump | |
| CN203532269U (en) | Parallel type self-balance multiple-stage centrifugal pump | |
| CN105422539A (en) | Two-circuit multi-way directional valve and in-parallel installation method of two-circuit multi-way directional valve with oil cylinders | |
| CN208457141U (en) | A kind of delayed startup load limiting type of constant filling fluid coupling | |
| CN206708332U (en) | A kind of prolonging with centrifugal valve fills formula coupling device | |
| CN208252702U (en) | Valve control filling liquid fluid-flywheel clutch equipped with centrifugal valve | |
| CN109488649B (en) | Inverse proportion pressure reducing valve for vehicle comprehensive transmission case | |
| CN202023897U (en) | Hydraulic coupling device | |
| CN207195328U (en) | A kind of portable low noise hydraulic power supply | |
| CN202023896U (en) | Hydraulic coupling device with flow interceptor | |
| CN111188888A (en) | Automatic liquid filling hydraulic coupler | |
| CN1912400B (en) | Energy-saving variable pressure charging valve | |
| CN205503908U (en) | Hydraulic bending moment coincidence ware for scraper conveyor | |
| CN210889042U8 (en) | Steam extraction back pressure type water feeding pump small steam turbine system with high-efficiency hydraulic speed regulating device | |
| CN211737616U (en) | Hydraulic control automatic closing, closing and regulating valve | |
| CN203979320U (en) | A kind of open valve control topping up type fluid coupling | |
| CN206017171U (en) | A kind of centrifugal pump of horizontal axis | |
| CN202468305U (en) | High-pressure pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |