CN219432180U - Servo hydraulic device for high-stability oil supply - Google Patents

Abstract

The utility model relates to a servo hydraulic device for high-stability oil supply, which comprises a bottom plate, wherein an oil tank is fixed on the upper surface of the bottom plate, an oil supply mechanism for improving the oil supply efficiency of the servo hydraulic pressure is arranged on the left side of the bottom plate, and a filter mechanism for improving the oil supply stability is arranged on the inner peripheral wall of the oil supply mechanism. This servo hydraulic means of high stability fuel feeding through having set up oil feeding mechanism, through mutually supporting between transmission case, servo motor, reduction gear, lifting screw, hydraulic piston, pump case and gag lever post and limiting plate etc. can drive lifting screw through servo motor and reduction gear drive hydraulic piston and remove and utilize atmospheric pressure difference to carry out the oil pumping oil extraction and realize the hydraulic drive fuel feeding, optimize structure arrangement etc. simultaneously and realize better fuel feeding effect with less structure to gag lever post and limiting plate can let the connecting plate remove more stably and optimize the limit to the ration upper limit of fuel feeding.

Description

Servo hydraulic device for high-stability oil supply

Technical Field

The utility model relates to the technical field of servo hydraulic devices, in particular to a servo hydraulic device for supplying oil with high stability.

Background

The servo hydraulic device adopts a servo motor to directly drive a gear pump to supply oil, the pressure is stable, the output quantity of a hydraulic servo system, such as displacement, speed or force, can automatically, quickly and accurately follow the change of the input quantity to change, meanwhile, the output power is greatly amplified, the servo hydraulic device has strong universality, a pressure sensor is added on a hydraulic machine bed, the pressure sensor is converted into a press-fitting force value through data acquisition and system processing composed of a microcomputer, the press-fitting force value is digitally displayed, and an audible and visual alarm and a stop signal are sent when the pressure is exceeded, so that the aim of realizing automatic control on the press-fitting force is fulfilled.

A servo hydraulic system for high-stability oil supply disclosed in chinese patent publication (CN 217271176U) can reduce energy consumption and improve stability of oil supply; including oil tank, advance oil pipe, annotate the oil drum, go out oil pipe, the lifter plate, the connecting rod, the roof, servo motor, the speed reducer, two sets of transmission case and screw rod, the oil tank top is equipped with into the glib talker, the output of oil tank is equipped with first check valve, the output of oil tank and the input intercommunication of advance oil drum, advance oil drum bottom and be equipped with three landing legs, the output of annotate the oil drum is equipped with the second check valve, the input of advance oil drum and the output intercommunication of annotate the oil drum, lifter plate and the sealed laminating of oiling drum inner wall, connecting rod bottom and lifter plate top fixed connection, roof bottom and connecting rod top fixed connection, be equipped with two sets of spiral rings on the roof, servo motor's output and speed reducer's input are connected, but still exist among the prior art to advance the problem of the hydraulic oil filter effect of taking out in the oil pipe, advance oil pipe connection oil pump and oil tank among the prior art, the replenishment in the oil tank is that the transportation and filling in-process of uncapping can be unavoidable impurity in some air, and advance oil extraction of hydraulic oil in advance pipe hydraulic oil, the hydraulic oil can not mix in a portion after stopping the backward flow to mix, the hydraulic oil can not mix in the oil tank, the inside the static impurity mix and mix in the hydraulic oil can form the viscosity and subsides of the oil can be formed by the viscosity mud and stable after the oil is formed to the inside the device.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a servo hydraulic device for high-stability oil supply, which has the advantages of stable oil supply and the like, and solves the problem of poor filtering effect on hydraulic oil extracted from an oil inlet pipe in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the servo hydraulic device comprises a bottom plate, wherein an oil tank is fixed on the upper surface of the bottom plate, an oil supply mechanism for improving the oil supply efficiency of the servo hydraulic is arranged on the left side of the bottom plate, and a filtering mechanism for improving the oil supply stability is arranged on the inner peripheral wall of the oil supply mechanism;

the oil supply mechanism comprises a transmission case fixed on the left side of a bottom plate, a servo motor is fixed on the right side of the inner bottom wall of the transmission case, a speed reducer is fixed on the upper surface of the servo motor, the outer side of an output shaft of the servo motor is fixedly connected with a transmission shaft of the speed reducer, a lifting screw is fixed on the outer side of the transmission shaft of the speed reducer, a pump shell is fixed on the upper surface of the transmission case, an oil inlet pipe communicated with the left side of the oil tank is fixed on the right side of the pump shell, a connecting plate is connected with the outer surface of the lifting screw in a threaded manner, a push rod is fixed on the lower surface of the connecting plate, a hydraulic piston is fixed on the bottom end of the push rod and positioned on the inner peripheral wall of the pump shell, a limit rod is fixed on the left side of the inner bottom wall of the transmission case, and an oil supply pipe is communicated on the left side of the pump shell.

Further, the upper surface of bottom plate is fixed with the controller, the upper surface intercommunication of oil tank has the oil filler pipe, and the surface threaded connection of oil filler pipe has sealed lid.

Further, the outer surfaces of the oil inlet pipe and the oil supply pipe are respectively fixed with a one-way valve, and the outer diameter of the hydraulic piston is matched with the inner diameter of the pump shell.

Further, the left side of connecting plate upper surface has seted up the slide hole, and the connecting plate passes through slide hole sliding connection at the surface of gag lever post.

Further, the surface of gag lever post has been seted up and has been no less than two fixed orifices, the surface sliding connection of gag lever post has the limiting plate, the connecting hole has been seted up in the front of limiting plate, and the inner peripheral wall threaded connection of connecting hole has the fixing bolt with fixed orifices footpath looks adaptation.

Further, filtering mechanism is including seting up the installing port at oil feed pipe inner peripheral wall, sliding grafting has the fixed plate between the four side inner walls of installing port, the lower fixed surface of fixed plate has the link, the lower fixed surface of link has the filter cone bucket, the filtration pore has been seted up to the surface of filter cone bucket, oil feed pipe's surface just is located the left and right sides of installing port and all is fixed with the backing plate, two the upper surface of backing plate is fixed with the clamp plate through the bolt, the lower surface of clamp plate and the upper surface fixed connection of fixed plate.

Further, the quantity of filtration pore is not less than two, and evenly distributed is at the surface of filter cone bucket, the right side of advance oil pipe surface is fixed with the control valve, the surface of fixed plate just is located the lower surface fixed with sealed pad of clamp plate.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this servo hydraulic means of high stability fuel feeding through having set up oil feeding mechanism, through mutually supporting between transmission case, servo motor, reduction gear, lifting screw, hydraulic piston, pump case and gag lever post and limiting plate etc. can drive lifting screw through servo motor and reduction gear drive hydraulic piston and remove and utilize atmospheric pressure difference to carry out the oil pumping oil extraction and realize the hydraulic drive fuel feeding, optimize structure arrangement etc. simultaneously and realize better fuel feeding effect with less structure to gag lever post and limiting plate can let the connecting plate remove more stably and optimize the limit to the ration upper limit of fuel feeding.

2. This servo hydraulic means of high stability fuel feeding through having set up filtering mechanism, through mutually supporting between installing port, fixed plate, link, filter cone bucket, backing plate and clamp plate and the sealed pad etc., can utilize the filter cone bucket to filter the hydraulic oil through advancing oil pipe, avoid the fatlute to pile up inconvenient clearance in the inside of fuel feeding mechanism, and the filter cone bucket is the toper can make the fatlute of pile up under the impact of hydraulic oil to both sides separation keep the stability of fuel feeding, and clamp plate and fixed plate etc. can make things convenient for dismouting clearance fatlute simultaneously, also can avoid hydraulic oil pressure release seepage.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of an oil supply mechanism according to the present utility model;

FIG. 3 is a schematic view of a filter mechanism according to the present utility model.

In the figure: 1 bottom plate, 2 oil tanks, 3 oil supply mechanisms, 301 transmission case, 302 servo motor, 303 speed reducer, 304 lifting screw, 305 pump case, 306 oil inlet pipe, 307 connecting plate, 308 push rod, 309 hydraulic piston, 310 limit rod, 311 oil supply pipe, 312 limit plate, 4 filter mechanism, 401 mounting port, 402 fixing plate, 403 connecting frame, 404 filter cone barrel, 405 filter hole, 406 backing plate, 407 pressing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a servo hydraulic device for high-stability oil supply in the present embodiment includes a base plate 1, an oil tank 2 is fixed on an upper surface of the base plate 1, an oil supply mechanism 3 for improving oil supply efficiency of the servo hydraulic pressure is disposed on a left side of the base plate 1, and a filter mechanism 4 for improving oil supply stability is disposed on an inner peripheral wall of the oil supply mechanism 3.

In this embodiment, the controller is fixed on the upper surface of the bottom plate 1, the upper surface of the oil tank 2 is communicated with an oil filling pipe, the outer surface of the oil filling pipe is in threaded connection with a sealing cover, a proper amount of hydraulic oil is added into the oil tank 2 through the oil filling pipe, the control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, and the supply of power also belongs to the common knowledge in the art, so that the control mode and circuit connection are not explained in detail, and the electrical appliances in the application are all common electrical appliances in the prior art, and are not repeated.

Referring to fig. 2, in order to enhance the oil supply effect of the servo hydraulic device, the oil supply mechanism 3 in this embodiment includes a transmission case 301 fixed on the left side of the base plate 1, a servo motor 302 is fixed on the right side of the inner bottom wall of the transmission case 301, a speed reducer 303 is fixed on the upper surface of the servo motor 302, the outer side of the output shaft of the servo motor 302 is fixedly connected with a transmission shaft of the speed reducer 303, a lifting screw 304 is fixed on the outer side of the transmission shaft of the speed reducer 303, when the servo hydraulic oil supply is performed, a control valve is opened, then the servo motor 302 is started, the output shaft of the servo motor 302 is rotated by the transmission shaft driving lifting screw 304 after the rotation speed of the speed reducer 303 is reduced, an oil inlet pipe 306 communicated with the left side of the oil tank 2 is fixed on the upper surface of the transmission case 301, a connecting plate 307 is fixed on the right side of the pump case 305, a push rod 308 is fixed on the outer surface of the lifting screw 304, a push rod 308 is fixed on the lower surface of the connecting plate 307, a hydraulic piston 309 is fixed on the bottom end of the push rod 308, a hydraulic piston 309 is fixed on the inner peripheral wall 309 of the pump case 305, the inner peripheral wall of the push rod 309 is driven by the push rod 307 to move inside the pump case 305 along a one-way valve on the oil inlet pipe 306 by using an atmospheric pressure difference, and the left side of the pump casing 310 is communicated with the left side of the oil pipe 310.

In this embodiment, the outer surfaces of the oil inlet pipe 306 and the oil supply pipe 311 are both fixed with a one-way valve, after a certain amount of hydraulic oil is extracted, the servo motor 302 reverses to drive the lifting screw 304 to reverse and then drive the connecting plate 307 to move downwards, the hydraulic oil is discharged along the direction of the one-way valve on the oil supply pipe 311 through the downward moving compression space of the hydraulic piston 309 to realize hydraulic transmission oil supply, the outer diameter of the hydraulic piston 309 is matched with the inner diameter of the pump shell 305, a sliding hole is formed in the left side of the upper surface of the connecting plate 307, the connecting plate 307 is slidably connected to the outer surface of the limiting rod 310 through the sliding hole, the lifting screw 304 rotates to drive the connecting plate 307 to perform vertical linear motion under the action of the limiting rod 310, at least two fixing holes are formed in the outer surface of the limiting rod 310, a limiting plate 312 is slidably connected to the outer surface of the limiting rod 312, a connecting hole is formed in the front of the limiting plate 312, and the inner peripheral wall of the connecting hole is in threaded connection with a fixing bolt matched with the inner diameter of the fixing hole.

Referring to fig. 3, in order to provide high stability filtering when supplying oil to the servo hydraulic device, the filtering mechanism 4 in this embodiment includes a mounting opening 401 formed on the inner peripheral wall of the oil inlet pipe 306, a fixing plate 402 is slidably inserted between four inner walls of the mounting opening 401, a connecting frame 403 is fixed on the lower surface of the fixing plate 402, a filtering cone barrel 404 is fixed on the lower surface of the connecting frame 403, hydraulic oil passing through the oil inlet pipe 306 is filtered by placing the filtering cone barrel 404 in the oil inlet pipe 306, the oil sludge is prevented from being accumulated in the oil supplying mechanism 3, the filtering cone barrel 404 is tapered, the accumulated oil sludge is separated to two sides along the surface of the filtering cone barrel 404 to form an oil supplying channel in the middle under the impact generated when the hydraulic oil is extracted, a filtering hole 405 is formed on the outer surface of the filtering cone barrel 404, backing plates 406 are fixed on the outer surface of the oil inlet pipe 306 and positioned on the left and right sides of the mounting opening 401, pressing plates 407 are fixed on the upper surfaces of the two backing plates 406 through bolts, and the lower surfaces of the pressing plates 407 are fixedly connected with the upper surfaces of the fixing plate 402.

In this embodiment, the number of the filtering holes 405 is not less than two, and evenly distributed is on the outer surface of the filtering cone barrel 404, the control valve is fixed on the right side of the outer surface of the oil inlet pipe 306, the sealing gasket is fixed on the outer surface of the fixing plate 402 and the lower surface of the fixing plate 407, the gap of the mounting hole 401 can be filled by the sealing gasket through the bolt fixing plate 407, the fixing plate 402 and the like, the filtering cone barrel 404 can be conveniently disassembled and assembled to take out and clean the oil sludge, and the pressure relief leakage of hydraulic oil can be avoided through the downward pressure compensation of the bolt fixing.

The working principle of the embodiment is as follows:

(1) When the servo hydraulic device is used for improving the oil supply effect, a proper amount of hydraulic oil is firstly added into the oil tank 2 through the oil filling pipe, when the servo hydraulic oil supply is carried out, the control valve is opened, then the servo motor 302 is started, the output shaft of the servo motor 302 is driven to rotate by the transmission shaft after the rotating speed is reduced through the speed reducer 303, the lifting screw 304 is further rotated to drive the connecting plate 307 to vertically and linearly move under the action of the limiting rod 310, the hydraulic piston 309 is driven to move inside the pump shell 305 through the connecting plate 307 by utilizing the atmospheric pressure difference along the one-way valve on the oil inlet pipe 306, after a certain amount of hydraulic oil is extracted, the servo motor 302 is reversely rotated to drive the lifting screw 304 to reversely rotate so as to drive the connecting plate 307 to downwardly move, the hydraulic oil is discharged along the direction of the one-way valve on the oil supply pipe 311 through the hydraulic piston 309 to realize hydraulic transmission oil supply, meanwhile, when the oil supply is carried out, a user can screw out the sliding limiting plate 312 according to the depth of the inner cavity of the pump shell 305 to adjust the moving height of the connecting plate 307, then the fixing bolt is screwed into the connecting hole and fixed into the fixing hole, and the fixing hole is fixed, and the quantitative oil supply is optimally limited.

(2) When providing high stability and filtering when supplying oil to servo hydraulic means, utilize filter cone barrel 404 to place in advance oil pipe 306 to filter the hydraulic oil of oil pipe 306 through advancing, avoid the oil sludge to pile up inconvenient clearance in oil feeding mechanism 3 inside, and filter cone barrel 404's shape is the toper, make the stability that the oil supply channel was kept to the separation of both sides in the centre was formed along filter cone barrel 404 surface to the separation of both sides of piled up oil sludge under the impact that produces when hydraulic oil was taken out, simultaneously through bolt-up clamp plate 407 and fixed plate 402 etc. can utilize the sealed clearance of filling up installing port 401 to fill up can make things convenient for the dismouting to take out the clearance oil sludge with filter cone barrel 404, also can avoid hydraulic oil pressure release seepage through bolt-up's downforce compensation.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

If this patent discloses or relates to components or structures that are fixedly connected to each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a servo hydraulic means of high stability fuel feeding, includes bottom plate (1), its characterized in that: an oil tank (2) is fixed on the upper surface of the bottom plate (1), an oil supply mechanism (3) for improving the oil supply efficiency of servo hydraulic pressure is arranged on the left side of the bottom plate (1), and a filtering mechanism (4) for improving the oil supply stability is arranged on the inner peripheral wall of the oil supply mechanism (3);

the oil supply mechanism (3) comprises a transmission case (301) fixed on the left side of a bottom plate (1), a servo motor (302) is fixed on the right side of the inner bottom wall of the transmission case (301), a speed reducer (303) is fixed on the upper surface of the servo motor (302), the outer side of an output shaft of the servo motor (302) is fixedly connected with a transmission shaft of the speed reducer (303), a lifting screw (304) is fixed on the outer side of the transmission shaft of the speed reducer (303), a pump shell (305) is fixed on the upper surface of the transmission case (301), an oil inlet pipe (306) communicated with the left side of an oil tank (2) is fixed on the right side of the pump shell (305), a connecting plate (307) is connected with the outer surface of the lifting screw (304) in a threaded mode, a push rod (308) is fixed on the lower surface of the connecting plate (307), the bottom end of the push rod (308) is fixedly provided with a hydraulic piston (309) and is positioned in the inner peripheral wall (305), a limit rod (310) is fixed on the left side of the inner bottom wall of the transmission case (301), and an oil supply pipe (311) is communicated with the left side of the pump shell (301).

2. A high stability oil feeding servo hydraulic device as claimed in claim 1, wherein: the upper surface of bottom plate (1) is fixed with the controller, the upper surface intercommunication of oil tank (2) has the oil filler pipe, and the surface threaded connection of oil filler pipe has sealed lid.

3. A high stability oil feeding servo hydraulic device as claimed in claim 1, wherein: the outer surfaces of the oil inlet pipe (306) and the oil supply pipe (311) are respectively fixed with a one-way valve, and the outer diameter of the hydraulic piston (309) is matched with the inner diameter of the pump shell (305).

4. A high stability oil feeding servo hydraulic device as claimed in claim 1, wherein: and a sliding hole is formed in the left side of the upper surface of the connecting plate (307), and the connecting plate (307) is connected to the outer surface of the limiting rod (310) in a sliding manner through the sliding hole.

5. A high stability oil feeding servo hydraulic device as claimed in claim 1, wherein: the outer surface of gag lever post (310) has seted up the fixed orifices that is not less than two, the surface sliding connection of gag lever post (310) has limiting plate (312), the connecting hole has been seted up in the front of limiting plate (312), and the inner peripheral wall threaded connection of connecting hole has the fixing bolt with fixed orifices footpath looks adaptation.

6. A high stability oil feeding servo hydraulic device as claimed in claim 1, wherein: the utility model provides a filter mechanism (4) is including seting up at installing port (401) of advance oil pipe (306) inner peripheral wall, sliding grafting has fixed plate (402) between four side inner walls of installing port (401), the lower fixed surface of fixed plate (402) is fixed with link (403), the lower fixed surface of link (403) has filter cone (404), filtration pore (405) have been seted up to the surface of filter cone (404), advance oil pipe (306)'s surface and be located the left and right sides of installing port (401) and all be fixed with backing plate (406), two the upper surface of backing plate (406) is fixed with clamp plate (407) through the bolt, the lower surface of clamp plate (407) is connected with the upper surface fixed of fixed plate (402).

7. The high stability oil fed servo hydraulic device of claim 6, wherein: the number of the filtering holes (405) is not less than two, the filtering holes are uniformly distributed on the outer surface of the filtering cone barrel (404), a control valve is fixed on the right side of the outer surface of the oil inlet pipe (306), and a sealing gasket is fixed on the outer surface of the fixing plate (402) and the lower surface of the pressing plate (407).