阅读说明：本技术 稳定性好的混输泵 (Mixed delivery pump with good stability ) 是由 李奎 于 2020-06-12 设计创作，主要内容包括：本发明公开了一种稳定性好的混输泵,涉及泵技术领域；包括壳体、主动轴、和主动轴配合的从动轴、固接在主动轴一端的主动齿轮、固接在从动轴一端并和主动齿轮啮合的从动齿轮、位于壳体上的入料口、位于壳体上的出料口,还包括用于当输出压力减小时补偿输出压力的补偿机构、用于转动主动轴的转动机构。设置了补偿机构能够补偿压降,进而防止流量减小。(The invention discloses a mixed transportation pump with good stability, and relates to the technical field of pumps; the automatic feeding device comprises a shell, a driving shaft, a driven shaft matched with the driving shaft, a driving gear fixedly connected to one end of the driving shaft, a driven gear fixedly connected to one end of the driven shaft and meshed with the driving gear, a feeding port located on the shell, a discharging port located on the shell, a compensation mechanism used for compensating output pressure when the output pressure is reduced, and a rotating mechanism used for rotating the driving shaft. The compensation mechanism is arranged to compensate for pressure drop, and therefore flow reduction is prevented.)

1. The utility model provides a defeated pump that mixes that stability is good, includes casing, driving shaft, and driving shaft complex driven shaft, rigid coupling in the driving gear of driving shaft one end, rigid coupling in driven shaft one end and with driving gear engaged with driven gear, be located the pan feeding mouth on the casing, be located the discharge gate on the casing, its characterized in that still includes the slewing mechanism who is used for compensating output pressure when output pressure reduces, is used for rotating the driving shaft.

2. The multiphase pump with good stability as recited in claim 1, wherein the feeding port is connected with a feeding pipe, and the discharging port is connected with a discharging pipe;

the rotating mechanism comprises a rotating shaft and a motor for rotating the rotating shaft;

the casing is fixedly connected with a support at the corresponding position of the driving shaft, a friction wheel is rotatably connected onto the support, an extrusion friction block is arranged at one end, close to the driving shaft, of the rotating shaft, a damping wheel is arranged on the rotating shaft sleeve, the damping wheel is rotatably connected with the rotating shaft, an annular groove is formed in the rotating shaft, a crown gear is rotatably connected into the annular groove, the outer edge of the crown gear is fixedly connected with the inner edge of the damping wheel, a transmission gear is meshed with one side of the crown gear and rotatably connected into the rotating shaft, a transmission shaft coaxial with the transmission gear is fixedly connected onto the transmission gear, a transmission damping gear is sleeved onto the transmission shaft and rotatably connected with the transmission damping gear, a rack meshed with the transmission damping gear is inserted into one end, close to the driving shaft, of the rotating shaft, one end of the rack is fixedly connected with the extrusion friction, a pull wire is wound on the friction wheel;

the compensation mechanism comprises a sensor for detecting the pressure in the discharge pipe, a storage barrel with the lower end communicated with the feeding pipe, a piston assembly connected in the storage barrel in a sliding manner, an upper spring with the lower end connected to the upper side of the piston assembly and used for applying downward force to the piston assembly, and a lower spring with the upper end connected to the lower side of the piston assembly and used for applying downward force to the piston assembly;

the piston assembly comprises a sliding block connected in the storage barrel in a sliding manner, a piston connected in the storage barrel in a sliding manner, a connecting mechanism used for connecting the sliding block and the piston, a failure mechanism connected with the sensor and used for failing the connecting mechanism, and a locking mechanism positioned on the sliding block and used for locking the sliding block in the storage barrel;

the piston is positioned below the sliding block, the lower end of the upper spring is connected to the sliding block, the upper end of the lower spring is connected to the piston, and the lower end of the pull wire is connected to the sliding block.

3. The multiphase pump with good stability of claim 2, wherein the locking mechanism comprises an electric cylinder positioned in a sliding block, and the electric cylinder comprises an output shaft which is extruded on the inner wall of the storage barrel after being stretched.

4. The multiphase pump with good stability as recited in claim 2, wherein the connecting mechanism comprises a chute located at the lower side of the slider, a connecting rod with the upper end slidably connected in the chute, a connecting rod spring sleeved on the connecting rod for applying an upward force to the connecting rod, an anti-falling mechanism located between the chute and the connecting rod for preventing the connecting rod from falling off from the chute, an arrow-shaped chuck fixedly connected to the lower end of the connecting rod, clamping blocks located at two opposite sides of the chuck for matching with the chucks, and a tension spring located between the clamping blocks;

the failure mechanism is an electromagnet used for adsorbing the fixture block so as to enable the fixture block to move towards one side far away from the chuck;

the electromagnet is connected with the sensor;

the fixture block comprises a vertical rod with the lower end connected to the upper side of the piston in a sliding manner and a cross rod with one end fixedly connected to the upper end of the vertical rod;

the clamping head comprises a stop surface matched with the cross rod and a V-shaped guide surface used for separating the clamping block;

the tank bottom of spout is equipped with the proximity switch that is used for responding to the connecting rod upper end, proximity switch and locking mechanism are connected.

5. The multiphase pump with good stability as recited in claim 4, wherein the anti-dropping mechanism comprises a limiting chute located on an inner wall of the chute and a limiting slider slidably connected in the limiting chute, and the limiting slider is fixedly connected to the connecting rod.

6. The multiphase pump with good stability of claim 2, wherein the number of the transmission damping gears is at least two.

7. The multiphase pump with good stability as recited in claim 1, wherein a dust cover for preventing dust of the driving gear and the driven gear is provided on the housing.

Technical Field

The invention belongs to the technical field of pumps, and particularly relates to a mixing delivery pump with good stability.

Background

The mixing and transferring pump is widely used in the fields of crude oil transportation and the like.

The output pressure of the existing mixing and conveying pump is unstable, and pressure drop is easily formed, so that the conveying efficiency is reduced.

Chinese patent publication No.: CN 105370566B; the utility model discloses a mixed transportation pump, which comprises a cylinder body, wherein one end of the cylinder body is provided with a left end cover, the other side of the left end cover is communicated with an outlet pipeline, and the other end of the cylinder body is provided with an oil tank and a bearing seat; a rotor and a crankshaft are arranged in the inner cavity of the cylinder body, the crankshaft is arranged along the horizontal direction, the rotor does plane swing along with the crankshaft, and the outer wall surface of the rotor is kept tangent to the inner wall surface of the cylinder body all the time; and a rolling bearing is arranged between the rotor and the crankshaft, and the rotor is tightly matched with the crankshaft through the rolling bearing. The multiphase pump provided by the invention realizes good lubrication of all parts, prolongs the service life of the whole machine, and provides guarantee for the application of a multiphase technology in oilfield exploitation and oil-gas multiphase. The prior art has the defect of low conveying efficiency.

Disclosure of Invention

The invention aims to overcome the defect of low conveying efficiency in the prior art, and provides a mixing and conveying pump with good stability and high conveying efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a defeated pump that mixes that stability is good, includes casing, driving shaft, and driving shaft complex driven shaft, rigid coupling in the driving gear of driving shaft one end, rigid coupling in driven shaft one end and with driving gear engaged with driven gear, be located the pan feeding mouth on the casing, be located the discharge gate on the casing, still include the compensating mechanism who is used for compensating output pressure when output pressure reduces, be used for rotating the slewing mechanism of driving shaft. The compensation mechanism is arranged to compensate for pressure drop, and therefore flow reduction is prevented.

Preferably, the feeding port is connected with a feeding pipe, and the discharging port is connected with a discharging pipe; the rotating mechanism comprises a rotating shaft and a motor for rotating the rotating shaft; the casing is fixedly connected with a support at the corresponding position of the driving shaft, a friction wheel is rotatably connected onto the support, an extrusion friction block is arranged at one end, close to the driving shaft, of the rotating shaft, a damping wheel is arranged on the rotating shaft sleeve, the damping wheel is rotatably connected with the rotating shaft, an annular groove is formed in the rotating shaft, a crown gear is rotatably connected into the annular groove, the outer edge of the crown gear is fixedly connected with the inner edge of the damping wheel, a transmission gear is meshed with one side of the crown gear and rotatably connected into the rotating shaft, a transmission shaft coaxial with the transmission gear is fixedly connected onto the transmission gear, a transmission damping gear is sleeved onto the transmission shaft and rotatably connected with the transmission damping gear, a rack meshed with the transmission damping gear is inserted into one end, close to the driving shaft, of the rotating shaft, one end of the rack is fixedly connected with the extrusion friction, a pull wire is wound on the friction wheel; the compensation mechanism comprises a sensor for detecting the pressure in the discharge pipe, a storage barrel with the lower end communicated with the feeding pipe, a piston assembly connected in the storage barrel in a sliding manner, an upper spring with the lower end connected to the upper side of the piston assembly and used for applying downward force to the piston assembly, and a lower spring with the upper end connected to the lower side of the piston assembly and used for applying downward force to the piston assembly; the piston assembly comprises a sliding block connected in the storage barrel in a sliding manner, a piston connected in the storage barrel in a sliding manner, a connecting mechanism used for connecting the sliding block and the piston, a failure mechanism connected with the sensor and used for failing the connecting mechanism, and a locking mechanism positioned on the sliding block and used for locking the sliding block in the storage barrel; the piston is positioned below the sliding block, the lower end of the upper spring is connected to the sliding block, the upper end of the lower spring is connected to the piston, and the lower end of the pull wire is connected to the sliding block.

Preferably, the deadlocking mechanism comprises an electric cylinder located within the slide, the electric cylinder comprising an output shaft that is extended to press against the inner wall of the accumulator.

Preferably, the connecting mechanism comprises a chute positioned on the lower side of the sliding block, a connecting rod with the upper end connected in the chute in a sliding manner, a connecting rod spring sleeved on the connecting rod and used for applying upward force to the connecting rod, an anti-falling mechanism positioned between the chute and the connecting rod and used for preventing the connecting rod from falling off from the chute, an arrow-shaped chuck fixedly connected to the lower end of the connecting rod, clamping blocks positioned on two opposite sides of the chuck and used for being matched with the clamping blocks, and a tension spring positioned between the clamping blocks; the failure mechanism is an electromagnet used for adsorbing the fixture block so as to enable the fixture block to move towards one side far away from the chuck; the electromagnet is connected with the sensor; the fixture block comprises a vertical rod with the lower end connected to the upper side of the piston in a sliding manner and a cross rod with one end fixedly connected to the upper end of the vertical rod; the clamping head comprises a stop surface matched with the cross rod and a V-shaped guide surface used for separating the clamping block; the tank bottom of spout is equipped with the proximity switch that is used for responding to the connecting rod upper end, proximity switch and locking mechanism are connected.

Preferably, the anti-disengaging mechanism comprises a limiting sliding groove and a limiting sliding block, the limiting sliding groove is located on the inner wall of the sliding groove, the limiting sliding block is connected in the limiting sliding groove in a sliding mode, and the limiting sliding block is fixedly connected to the connecting rod.

Preferably, the number of the transmission damping gears is at least two.

Preferably, the housing is provided with a dust cover for preventing dust from entering the drive gear and the driven gear.

The invention has the beneficial effects that: the invention provides a mixing delivery pump with good stability and high delivery efficiency.

Drawings

FIG. 1 is a schematic view of a housing, a driving shaft and a driven shaft;

FIG. 2 is a schematic view of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is a schematic view of the upward movement of the piston assembly;

FIG. 6 is an enlarged view at C of FIG. 5;

FIG. 7 is a schematic view of the piston and slide being disengaged;

fig. 8 is an enlarged view of fig. 7 at D.

In the figure: the device comprises a shell 1, a driving shaft 2, a driven shaft 3, a driving gear 4, a driven gear 5, a material inlet 6, a material outlet 7, a material inlet pipe 8, a material outlet pipe 9, a material storage cylinder 10, a sliding block 11, an upper spring 12, a lower spring 13, a piston assembly 14, a rotating shaft 15, an extrusion friction block 16, a damping wheel 17, a support 18, a friction wheel 19, a pull wire 20, an electric cylinder 24, an output shaft 25, a sliding groove 26, a connecting rod 27, a clamping head 28, a clamping block 29, a tension spring 30, an electromagnet 31, a sensor 32, a vertical rod 33, a cross rod 34, a stopping surface 35, a connecting rod spring 36, a guide surface 37, a proximity switch 38, a limiting sliding groove 39, a limiting sliding block 40, a dust cover 42, an annular groove 43, a crown gear 44, a transmission.

Detailed Description

The invention is explained in further detail below with reference to the figures and the detailed description: