CN210686333U

CN210686333U - Full-hydraulic drive system of full-hydraulic spray seeding machine mud pump

Info

Publication number: CN210686333U
Application number: CN201921223879.0U
Authority: CN
Inventors: 孙胜喜; 孙成芳; 陈剑
Original assignee: Anhui Jarlo Construction Machinery Co ltd
Current assignee: Anhui Jarlo Construction Machinery Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-06-05
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a full-hydraulic drive system of full-hydraulic pressure spray seeding machine slush pump, including the diesel engine that provides piston power, convert piston power to hydraulic pressure's variable closed pump, convert hydraulic pressure to the closed motor of turning force and be used for the centrifugal pump of mud pressure boost. The device has the advantages that: the device is full hydraulic drive mode, carry out the production of initial power through the hydraulic press, and convert power into hydraulic pressure through the closed pump, accomplish the power between the machinery again and pass to via hydraulic pressure force, accomplish the conversion between piston power to the pivot power, the system wholly adopts less mechanical quantity, the structure is simple, and energy transfer mode is less, if break down, also can shorten the time of arranging the maintenance greatly, and simultaneously, feeding tube portion passes through the design of fold hose, can carry out the adjustment of angle under the prerequisite of not dismantling the inlet pipe according to specific in service behavior, thereby can be according to concrete service environment adjustment feeding angle.

Description

Full-hydraulic drive system of full-hydraulic spray seeding machine mud pump

Technical Field

The utility model relates to a driving system specifically is a full-hydraulic pressure actuating system of full-hydraulic pressure jet-seeding machine slush pump, belongs to jet-seeding machine power drive apparatus technical field.

Background

During the operation of the spraying-seeding machine, the mud to be sprayed needs to be pressurized by a mud pump and then is subjected to a series of power transmission, and finally is sprayed to a designated area through a spray head. In the process, a plurality of energy forms are converted, and finally the energy forms are converted into the power of mud spraying, which is completed by a driving system of the mud pump.

The existing gunning machine mud pump full hydraulic drive system has certain defects in design, and the specific expression is as follows: firstly, the common slurry pump of the spray seeding machine is driven to transmit energy through various machine structures, the overall structure is complex, multiple machines are matched, the power loss among various instruments is large, once a fault occurs, the fault removal and repair is a very large project, secondly, the feeding process of the common slurry pump of the spray seeding machine is fixed, a pipeline of the common slurry pump cannot be adjusted according to a specific use environment, and a centrifugal pump providing the main power of slurry easily enters air and damages an impeller.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a full hydraulic drive system of a full hydraulic spray seeding machine mud pump for solving the problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a full-hydraulic drive system of full-hydraulic pressure jet-seeding machine slush pump, including diesel engine, variable closed pump, closed motor and centrifugal pump, variable closed pump installs on the diesel engine, install on the variable closed pump and connect oil pipe, the closed pump transmits hydraulic pressure force to closed motor through connecting oil pipe, closed motor installs the shaft coupling in one side, closed motor passes through the shaft coupling and connects the centrifugal pump, the centrifugal pump includes spiral case, feed inlet and discharge gate, install the inlet pipe on the feed inlet, inlet pipe one end is connected with the fold hose, and the other end is equipped with the mouth of pipe flange, fold hose one end is installed the ring flange, the inlet pipe passes through ring flange movable mounting is in on the feed inlet, the inside large granule filter screen that, the limiting plate of "L" shape is installed to large granule filter screen bottom, be equipped with the draw-in groove on the mouth of pipe flange.

As a technical optimization scheme of the utility model, it divide into pump oil pipe and returns oil pipe to connect oil pipe, and pump oil pipe and return oil pipe and install jointly on variable closed pump and closed motor.

As a technical optimization scheme of the utility model, install the execute component who is used for erection joint oil pipe on the closed motor, just the variable closed pump pass through pump oil pipe with execute component's on the closed motor oil return pipe intercommunication to form the oil circuit inner loop jointly, make the variable closed pump can form the energy transfer passageway with the closed motor.

As a technical optimization scheme of the utility model, the pivot of the transmission shaft of coupling joint closed motor and the inside impeller of centrifugal pump is transmitted the impeller through the shaft coupling with the turning force on the motor to make the centrifugal pump function.

As a technical optimization scheme of the utility model, the size of large granule filter screen with the inlet pipe phase-match, just the inside convex dog that is equipped with of inlet pipe, the distance of dog to mouth of pipe flange with the total length phase-match of limiting plate and filter screen makes the cardboard share the mud pressure that the filter screen received through the dog in fixed filter screen and mouth of pipe flange.

As the utility model discloses a technical optimization scheme, "L" shape the limiting plate divide into looks vertically cardboard and roof two parts, wherein, longer roof along with the filter screen stretches into inside the inlet pipe, shorter cardboard passes through the draw-in groove clamps on the mouth of pipe flange.

As a technical optimization scheme of the utility model, the inlet pipe passes through the fold hose with be the swing joint of 360 scopes between the ring flange, make the inlet pipe carry out the multi-angle through the fold hose and adjust.

The utility model has the advantages that:

the device is in a full hydraulic driving mode, generates initial power through a hydraulic machine, converts the power into hydraulic pressure through a closed pump, transmits the power between machines through the hydraulic pressure to finish the conversion from piston power to rotating shaft power, adopts less machines as a whole, has simple structure and less energy transmission modes, can greatly shorten the time of repair and removal if a fault occurs, meanwhile, the feeding pipe part has angle adjusting capability through the design of the corrugated hose, the angle can be adjusted on the premise of not disassembling the feeding pipe according to specific use conditions, thereby can guarantee the stable function of centrifugal pump according to specific service environment adjustment feeding angle, moreover, install detachable large granule filter screen in the inlet pipe, help filtering the large granule material in the mud, prevent its damage to the centrifugal pump impeller.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the feeding pipe of the present invention;

FIG. 3 is a schematic view of the inner structure of the feeding tube of the present invention;

FIG. 4 is a view of the installation of the large-particle filter screen of the present invention;

in the figure: 1. a diesel engine; 2. a variable closed pump; 3. a closed motor; 4. connecting an oil pipe; 5. a coupling; 6. a centrifugal pump; 7. a feed pipe; 8. a large-particle filter screen; 601. a volute; 602. a feed inlet; 603. a discharge port; 604. connecting grooves; 701. a corrugated hose; 702. a flange plate; 703. a pipe orifice flange; 704. a stopper; 705. a card slot; 801. and a limiting plate.

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.

Example 1

Referring to fig. 1-4, a full hydraulic drive system of a mud pump of a full hydraulic spray seeder comprises a diesel engine 1, a variable closed pump 2, a closed motor 3 and a centrifugal pump 6, wherein the variable closed pump 2 is installed on the diesel engine 1, a connecting oil pipe 4 is installed on the variable closed pump 2, the closed pump 2 transmits hydraulic pressure to the closed motor 3 through the connecting oil pipe 4, a coupler 5 is installed on one side of the closed motor 3, the closed motor 3 is connected with the centrifugal pump 6 through the coupler 5, the centrifugal pump 6 comprises a volute 601, a feed inlet 602 and a discharge outlet 603, a feed inlet pipe 7 is installed on the feed inlet 602, one end of the feed inlet 7 is connected with a corrugated hose 701, the other end of the feed inlet 7 is provided with a pipe orifice flange 703, one end of the corrugated hose 701 is provided with a flange plate 702, the feed inlet pipe 7 is movably installed on, the orifice flange 703 is provided with a clamping groove 705.

Further, the connecting oil pipe 4 is divided into a pump oil pipe and an oil return pipe, and the pump oil pipe and the oil return pipe are installed on the variable closed pump 2 and the closed motor 3 together.

Further, an execution element used for installing and connecting the oil pipe 4 is installed on the closed motor 3, and the variable closed pump 2 is communicated with an oil return pipe of the execution element on the closed motor 3 through the oil pipe of the pump, and forms oil path internal circulation together.

Further, a coupling 5 connects a transmission shaft of the closed motor 3 and a rotating shaft of an impeller inside the centrifugal pump 6.

Further, the size of large granule filter screen 8 and inlet pipe 7 phase-match, and the inside convex dog 704 that is equipped with of inlet pipe 7, the distance and the total length phase-match of limiting plate 801 and filter screen 8 of dog 704 to mouth of pipe flange 703.

Further, the L-shaped limiting plate 801 is divided into two parts, namely a clamping plate and a top plate, which are perpendicular to each other, wherein the longer top plate extends into the feeding pipe 7 along with the filter screen 8, and the shorter clamping plate is clamped on the pipe orifice flange 703 through the clamping groove 705.

Further, the feed pipe 7 is movably connected with the flange plate 702 through the corrugated hose 701 within a range of 360 degrees.

It needs to be added and explained that the utility model adopts the closed pump 2, the hydraulic valve and some pipelines are saved, so the volume of the oil tank is relatively reduced, thereby the connecting space is saved, meanwhile, the pump oil pipe of the closed pump 2 is directly connected with the oil return pipe of the actuating element, and the transmission is more stable; the volute 601 is provided with a connecting groove 604 matched with the flange plate 702 for fixing the flange plate 702, and a sealing ring is adopted at the fixed position, so that the whole discharge pipe 703 is connected with the centrifugal pump 6 in an airtight manner, and the feeding process of the centrifugal pump 6 is facilitated; the corrugated hose 701 adopts the structure at the corrugated part of the suction pipe, so that the corrugated hose has the function of multidirectional folding and bending, and the angle adjustment mode specifically comprises the following steps: the feeding pipe 7 is pulled off, the feeding pipe 7 is in the same direction with the volute 601, the corrugated hose 701 keeps a straight structure, then the annular section on the corrugated hose 701 gives the folding and bending capability to the corrugated hose 701 in each direction, and when the angle is adjusted, the corrugated hose 701 needs to be straightened and bent in other directions.

When the utility model is used, firstly, the device is controlled by an external operating platform, the diesel engine 1 is started, kinetic energy is transmitted to the closed type pump 2 through piston motion, the variable closed type pump 2 forms a circulating oil circuit between the connecting oil pipe 4 and the closed type motor 3, oil pressure generated by the closed type pump 2 is converted into kinetic energy through the executing component on the closed type motor 3 and is transmitted to the closed type motor 3, the closed type motor 3 rotates, power is transmitted to the impeller in the centrifugal pump 6 through the shaft coupling 5, the centrifugal pump 6 starts to operate, slurry is sucked into the pump body through the inlet pipe 7 connected with the feed inlet 602, and the slurry is guided into the discharge port 603 through track pressurization in the volute 601, in the process, the angle between the inlet pipe 7 and the volute 601 can be adjusted through the corrugated hose 701, thereby the adjustment is carried out according to specific use environment, the smooth proceeding of the feeding process is ensured, when the feeding, accessible large granule filter screen 8 filters the large granule material in the mud, and large granule filter screen 8 passes through limiting plate 801 movable mounting in mouth of pipe flange 703 department to make things convenient for the change of filter screen and the mediation of pipeline.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a full-hydraulic drive system of full-hydraulic pressure spray seeding machine slush pump, includes diesel engine (1), variable closed pump (2), closed motor (3) and centrifugal pump (6), its characterized in that: the variable closed type pump (2) is installed on the diesel engine (1), the variable closed type pump (2) is provided with a connecting oil pipe (4), the closed type pump (2) transmits hydraulic pressure to the closed type motor (3) through the connecting oil pipe (4), one side of the closed type motor (3) is provided with a coupler (5), the closed type motor (3) is connected with a centrifugal pump (6) through the coupler (5), the centrifugal pump (6) comprises a volute (601), a feed inlet (602) and a discharge outlet (603), the feed inlet (7) is installed on the feed inlet (602), one end of the feed inlet (7) is connected with a corrugated hose (701), the other end of the feed inlet is provided with a pipe orifice flange (703), one end of the corrugated hose (701) is provided with a flange plate (702), and the feed inlet (7) is movably installed on the feed inlet (, inlet pipe (7) internally mounted has large granule filter screen (8), limiting plate (801) of "L" shape are installed to large granule filter screen (8) bottom, be equipped with draw-in groove (705) on mouth of pipe flange (703).

2. The full-hydraulic drive system of the full-hydraulic spray seeding machine mud pump of claim 1, wherein: the connecting oil pipe (4) is divided into a pump oil pipe and an oil return pipe, and the pump oil pipe and the oil return pipe are jointly installed on the variable closed pump (2) and the closed motor (3).

3. The full-hydraulic drive system of the full-hydraulic spray seeding machine mud pump of claim 2, wherein: and an execution element used for installing and connecting an oil pipe (4) is installed on the closed motor (3), and the variable closed pump (2) is communicated with an oil return pipe of the execution element on the closed motor (3) through the oil pipe of the pump and forms oil circuit internal circulation together.

4. The full-hydraulic drive system of the full-hydraulic spray seeding machine mud pump of claim 1, wherein: and the coupling (5) is connected with a transmission shaft of the closed motor (3) and a rotating shaft of an impeller in the centrifugal pump (6).

5. The full-hydraulic drive system of the full-hydraulic spray seeding machine mud pump of claim 1, wherein: the size of large granule filter screen (8) with inlet pipe (7) phase-match, just inlet pipe (7) inside is equipped with convex dog (704), the distance of dog (704) to mouth of pipe flange (703) with the total length phase-match of limiting plate (801) and large granule filter screen (8).

6. The full-hydraulic drive system of the full-hydraulic spray seeding machine mud pump of claim 5, wherein: the L-shaped limiting plate (801) is divided into two parts, namely a clamping plate and a top plate, which are perpendicular to each other, wherein the longer top plate extends into the feeding pipe (7) along with the large-particle filter screen (8), and the shorter clamping plate is clamped on the pipe orifice flange (703) through the clamping groove (705).

7. The full-hydraulic drive system of the full-hydraulic spray seeding machine mud pump of claim 1, wherein: the feeding pipe (7) is movably connected with the flange plate (702) in a 360-degree range through the corrugated hose (701).