CN203792527U - Water regulating mechanism for cementing vehicle mixer - Google Patents

Abstract

The utility model provides a water regulating mechanism for a cementing vehicle mixer. The water regulating mechanism comprises a water valve shell, wherein an inner cavity of the water valve shell is sleeved with a valve bush; an inner cavity of the valve bush is sleeved with a valve core; the end face flanges at two ends of the water valve shell are fixedly connected with a left end cover and a right end cover respectively; via holes are formed at the axis positions of the left end cover and the right end cover; two locating holes are formed around each via hole; a rotary cylinder is fixedly arranged at the outer end face of the left end cover; and one end of the valve core is in transmission connection with the rotary cylinder. By adopting the water regulating mechanism, motion transformation of a water valve regulating plate driven by a linear cylinder is avoided, the intermediate link of driving is omitted, the installation space of the equipment is effectively reduced, and the overall equipment is simpler and compacter in structure and more applicable to vehicular cementing equipment.

Description

For the water governor motion of cementing truck blender

Technical field

The utility model belongs to oil gas field cementing equipment technical field, and the water that enters blender is realized to proportion control, is specifically related to a kind of water governor motion for cementing truck blender.

Background technology

At present, the well cementation mud blender that oil gas field uses has mostly all been realized water ash bivariate and has automatically been controlled, and to the control of mixture institute water requirement extensively in the following ways: the tailpiece of the piston rod of linear oil cylinder is connected with water valve adjustable plate pommel by hinge, the linear oil cylinder other end is fixed by hinge, the promotion water valve adjustable plate that elongates or shortens of linear oil cylinder rotates back and forth, and blocks water valve plate hydrophthalmia discharge area to realize the control to the water yield by changing the anglec of rotation of water valve adjustable plate.In said mechanism, owing to need to finally changing the rectilinear motion of oil cylinder into water valve adjustable plate rotatablely move, make whole water adjusting valve and controlling organization intermediate link thereof many, take up room large, be unfavorable for being arranged on space is had on the equipment of strict demand, as vehicle-mounted cementing equipment.

Summary of the invention

The purpose of this utility model is to provide a kind of water governor motion for cementing truck blender, solves intermediate link of the prior art many, and large problem takes up room.

The technical scheme that the utility model adopts is: a kind of water governor motion for cementing truck blender, comprise water valve housing, and be set with valve pocket at the inner chamber of water valve housing, the inner chamber of valve pocket is set with spool; End face flange at water valve housing two ends is fastenedly connected with respectively left end cap and right end cap, and the shaft core position of left end cap and right end cap all offers via hole, and around via hole, offers two locating holes, is installed with angling cylinder in left end cap outer face; One end and the angling cylinder of spool are in transmission connection.

Water governor motion for cementing truck blender of the present utility model, is further characterized in that:

On right end cap, be installed with scale plate.

Water valve housing is round tube shape, is vertically connected with water inlet pipe at the middle part of pipe, below another skew back of pipe wall, has rectangle delivery port, offers multiple lubrication holes on pipe wall.

Valve pocket is round tube shape, has water inlet and goes out hydrophthalmia at valve pocket circle wall middle part, is respectively arranged with positioning tooth at the two ends of valve pocket, and positioning tooth is embedded in respectively in the locating hole of inner face of left end cap and right end cap.

At inner seal groove and the oil-way of being symmetrically arranged with in valve pocket circle wall surface two ends, every limit twice exterior seal ring is arranged in corresponding seal groove, offers oilhole in the bottom of oil-way.

The middle part of spool offers the rectangle water hole corresponding along diameter, spool two ends are provided with square connecting axle, and wherein, a side oblique crank Z stretches out left end cap and angling cylinder is in transmission connection, opposite side square shaft is stretched out right end cap and pointer is installed, and on the step of spool two ends, is separately installed with a back-up ring.

Spool two terminal circle perimeter surface offers seal groove equally, and every limit twice inner seal ring correspondence is arranged in sealing ring recess.

The beneficial effects of the utility model are: ensureing under the prerequisite of control accuracy, by water adjusting valve spool, valve pocket are done to embedded design and installation, the revolution that makes full use of angling cylinder drives function directly to drive water adjusting valve spool to realize control water, avoid driving the action of water valve adjustable plate to change by linear oil cylinder, reduce the intermediate link driving, effectively reduce the installing space of equipment, made the compact conformation of whole equipment, control mode simple, be more suitable in vehicle-mounted cementing equipment.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model for the water governor motion of cementing truck blender;

Fig. 2 be in Fig. 1 A-A to generalized section;

Fig. 3 be in Fig. 1 A to schematic diagram;

Fig. 4 is the water valve housing schematic diagram in the utility model;

Fig. 5 be in Fig. 4 B-B to generalized section;

Fig. 6 is the valve pocket schematic diagram in the utility model;

Fig. 7 be in Fig. 6 C-C to generalized section;

Fig. 8 is the spool schematic diagram in the utility model;

Fig. 9 be in Fig. 8 D-D to generalized section.

In figure, 1. water valve housing, 2. valve pocket, 3. spool, 4. left end cap, 5. right end cap, 6. back-up ring, 7. exterior seal ring, 8. inner seal ring, 9. water inlet pipe, 10. scale plate, 11. pointers, 12. angling cylinders, 13. lubrication holes, 14. rectangle delivery ports, 15. positioning tooths.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.

As Fig. 1, shown in Fig. 2, water governor motion for cementing truck blender of the present utility model, its structure is, comprise water valve housing 1, valve pocket 2, spool 3 and angling cylinder 12, wherein be set with valve pocket 2 at the inner chamber of water valve housing 1, the inner chamber of valve pocket 2 is set with spool 3, be fastenedly connected with respectively left end cap 4 and right end cap 5 at the end face flange at water valve housing 1 two ends, the shaft core position of left end cap 4 and right end cap 5 all offers via hole, and (be on each end cap, to have 3 holes offering two locating holes around via hole, via hole in the middle of one, two locating holes), be installed with angling cylinder 12 in left end cap 4 outer faces, on right end cap 5, be installed with scale plate 10, one end of spool 3 and angling cylinder 12 are in transmission connection, the other end of spool 3 is provided with pointer 11, pointer 11 and scale plate 10 corresponding matching, show the actual rotation angle of spool 3, see Fig. 3.

With reference to Fig. 4 and Fig. 5, water valve housing 1 is round tube shape, is vertically connected with water inlet pipe 9 at the middle part of pipe, below another skew back of pipe wall, has rectangle delivery port 14, on pipe wall, to offer two lubrication hole 13(lubrication holes only need two, for grease nipple is installed).

With reference to Fig. 6, Fig. 7, valve pocket 2 entirety are round tube shape, be sleeved on water valve housing 1 inside, have water inlet and go out hydrophthalmia at valve pocket 2 circle wall middle parts, at valve pocket 2 inner multiple-sealed ring recess and the oil-ways (each one of the every limit of embodiment) of being symmetrically arranged with in circle wall surface two ends, every limit twice exterior seal ring 7 is arranged in corresponding seal groove, bottom at oil-way offers oilhole, corresponding with lubrication hole 13, be respectively arranged with positioning tooth 15 at the two ends of valve pocket 2, positioning tooth 15 is embedded in respectively in the locating hole of inner face of left end cap 4 and right end cap 5, ensure that valve pocket 2 and water valve housing 1 can not rotate.

With reference to Fig. 8, Fig. 9, spool 3 is sleeved on valve pocket 2 inner chambers, can rotate at valve pocket 2 internal freedoms, the middle part of spool 3 offers the rectangle water hole corresponding along diameter, spool 3 two terminal circle perimeter surface offer seal groove equally, every limit twice inner seal ring 8 correspondences are arranged in sealing ring recess, spool 3 two ends are provided with square connecting axle, wherein, one side oblique crank Z stretches out left end cap 4 and is in transmission connection with angling cylinder 12, opposite side square shaft is stretched out right end cap 5 and pointer 11 is installed, on spool 3 two ends steps, be separately installed with a back-up ring 6, realizing spool 3 contacts with inner face and the valve pocket 2 internal circular surfaces sealings of left end cap 4 and right end cap 5.

The operation principle of the utility model device is: with reference to Fig. 2, Fig. 3, need to intake time, angling cylinder 12 is with movable valve plug 3 to turn an angle, water channel in spool 3, valve pocket 2 and water valve housing 1 is connected, water inlet is flowed out from rectangle delivery port 14 after spool 3, valve pocket 2 from water inlet pipe 9, the angle difference that angling cylinder 12 rotates with movable valve plug 3, spool 3 changes with the water channel circulation area of valve pocket 2, control the flow of water, realize the adjusting of water inlet, operating personnel, by the instruction of pointer 11 on scale plate 10, can know the angle that spool 3 turns over.Angling cylinder 12 is with movable valve plug 3 to turn to extreme position, and spool 3 is thoroughly closed with the water channel of valve pocket 2.

Claims (7)

1. for a water governor motion for cementing truck blender, it is characterized in that: comprise water valve housing (1), be set with valve pocket (2) at the inner chamber of water valve housing (1), the inner chamber of valve pocket (2) is set with spool (3); Be fastenedly connected with respectively left end cap (4) and right end cap (5) at the end face flange at water valve housing (1) two ends, the shaft core position of left end cap (4) and right end cap (5) all offers via hole, and around via hole, offer two locating holes, be installed with angling cylinder (12) in left end cap (4) outer face; One end of spool (3) and angling cylinder (12) are in transmission connection.

2. the water governor motion for cementing truck blender according to claim 1, is characterized in that: on described right end cap (5), be installed with scale plate (10).

3. the water governor motion for cementing truck blender according to claim 1, it is characterized in that: described water valve housing (1) is round tube shape, be vertically connected with water inlet pipe (9) at the middle part of pipe, below another skew back of pipe wall, have rectangle delivery port (14), on pipe wall, offer multiple lubrication holes (13).

4. the water governor motion for cementing truck blender according to claim 1, it is characterized in that: described valve pocket (2) is round tube shape, have water inlet and go out hydrophthalmia at valve pocket (2) circle wall middle part, be respectively arranged with positioning tooth (15) at the two ends of valve pocket (2), positioning tooth (15) is embedded in respectively in the locating hole of inner face of left end cap (4) and right end cap (5).

5. the water governor motion for cementing truck blender according to claim 4, it is characterized in that: described inner seal groove and the oil-way of being symmetrically arranged with in valve pocket (2) circle wall surface two ends, every limit twice exterior seal ring (7) is arranged in corresponding seal groove, offers oilhole in the bottom of oil-way.

6. the water governor motion for cementing truck blender according to claim 1, it is characterized in that: the middle part of described spool (3) offers the rectangle water hole corresponding along diameter, spool (3) two ends are provided with square connecting axle, wherein, one side oblique crank Z stretches out left end cap (4) and is in transmission connection with angling cylinder (12), opposite side square shaft is stretched out right end cap (5) and pointer (11) is installed, and on the step of spool (3) two ends, is separately installed with a back-up ring (6).

7. the water governor motion for cementing truck blender according to claim 6, is characterized in that: described spool (3) two terminal circle perimeter surface offers seal groove equally, and every limit twice inner seal ring (8) correspondence is arranged in sealing ring recess.