CN114294220B - Low-loss gear pump and machining method thereof - Google Patents
Low-loss gear pump and machining method thereof Download PDFInfo
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- CN114294220B CN114294220B CN202210018108.8A CN202210018108A CN114294220B CN 114294220 B CN114294220 B CN 114294220B CN 202210018108 A CN202210018108 A CN 202210018108A CN 114294220 B CN114294220 B CN 114294220B
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Abstract
The invention discloses a low-loss gear pump and a processing method thereof, and the method specifically comprises the following steps: the oil outlet is formed in one side of the shell, and the oil inlet is formed in one side, far away from the oil outlet, of the shell; the base is arranged at the bottom of the shell, and the top of the base is fixedly connected with the bottom of the shell; the cavity is arranged inside the shell, and two sides of the cavity are respectively communicated with the oil outlet and the oil inlet; the cavity includes: the top and the bottom of the inner wall of the cavity body shell are fixedly connected with an expansion cavity, and the bottom of the expansion cavity is provided with an expansion port; the invention relates to the technical field of gear pumps, in particular to an expansion bar which is arranged in an expansion port and is in sliding connection with the expansion port. The low-loss gear pump and the processing method thereof can supplement the clearance generated by the deviation of the other side of the gear, are safer and more reliable to use, conveniently ensure the working efficiency of the gear pump and prolong the service life of the gear pump.
Description
Technical Field
The invention relates to the technical field of gear pumps, in particular to a low-loss gear pump and a processing method thereof.
Background
The gear pump is a rotary pump which can deliver liquid or pressurize it by means of the change and movement of working volume formed between pump cylinder and engaged gear, and is formed into two closed spaces by two gears, pump body and front and rear covers. The pressure in the oil pressing area of the gear pump used at present is greater than the pressure in the oil suction area, so that the radial force of the hydraulic pump is unbalanced, a transmission shaft can deviate towards the oil suction area, a gear and the inner wall of the pump are scraped and collided with each other, the normal work of the pump is influenced, leakage is generated, and the service life of the pump is shortened due to abrasion.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a low-loss gear pump and a processing method thereof, and solves the problems that the pressure of a pressure oil area of the currently used gear pump is larger than the pressure of an oil suction area, so that the radial force of a hydraulic pump is unbalanced, a transmission shaft deviates to the oil suction area, a gear and the inner wall of the pump are scraped and collided, the normal work of the pump is influenced, the leakage is generated, and the service life of the pump is reduced due to the abrasion.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a low-loss gear pump specifically comprises:
the oil outlet is formed in one side of the shell, and the oil inlet is formed in one side, far away from the oil outlet, of the shell;
the base is arranged at the bottom of the shell, and the top of the base is fixedly connected with the bottom of the shell;
the cavity is arranged inside the shell, and two sides of the cavity are respectively communicated with the oil outlet and the oil inlet;
the cavity includes:
the top and the bottom of the inner wall of the cavity body shell are fixedly connected with an expansion cavity, and the bottom of the expansion cavity is provided with an expansion port;
the expansion strip is arranged in the expansion port and is in sliding connection with the expansion port, the top of the expansion strip is fixedly connected with a first fixing strip, and the side surface of the first fixing strip is fixedly connected with the inner wall of the expansion port;
the electric heating body is arranged in the expansion cavity, the electric heating body is fixedly connected with the inner wall of the expansion cavity, the expansion cavity and the electric heating body are arranged, when the expansion bar is abraded after being used for a long time, the temperature of the electric heating body can be adjusted through an external gear control switch, the first fixing bar and the expansion bar are extruded through the volume of a thermal expansion medium, the abrasion of the expansion bar is supplemented through the displacement of the expansion bar, a gap is prevented from being generated between the gear and the expansion bar, the working efficiency of the gear pump is conveniently ensured, and the service life of the gear pump is prolonged;
the gear, this gear are provided with two sets ofly and the longitudinal symmetry distributes inside the cavity shell, gear central point puts and runs through and fixedly connected with pivot, pivot one end runs through the cavity shell and fixedly connected with drive gear.
The expansion bar is arranged in the cavity, when the expansion bar is used, an external drive drives the driving gear to rotate, the driving gear drives the gear to rotate through the rotating shaft, when the gear deflects due to the fact that pressure difference is generated between the oil inlet and the oil outlet, the gear rubs with the expansion bar in the expansion port and extrudes the expansion bar, the gear is prevented from being in contact with the inner wall of the cavity to generate abrasion through the separation of the expansion bar, one end of the expansion bar is extruded, a thermal expansion medium in the expansion cavity extrudes the other end of the expansion bar, the other end of the expansion bar is extruded to be protruded, gaps generated due to deflection on the other side of the gear can be supplemented, and the expansion bar is safer and more reliable to use.
Preferably, the cavity housing is arranged inside the housing and fixedly connected with the inner wall of the housing, and the driving gear is arranged outside the housing.
Preferably, the expansion cavity is filled with a thermal expansion medium, and one end of the electric heating body is electrically connected with the gear control switch.
Preferably, the gear comprises a fluted disc, meshing teeth are arranged on the side face of the fluted disc, a rotating groove is formed in one end, far away from the fluted disc, of each meshing tooth, a rolling column is connected to the inner wall of the rotating groove in a rotating mode, a sealing sleeve is fixedly connected to the outer side of the rolling column in a sleeved mode, a gear is arranged, when the gear is driven to rotate through the rotating shaft, the fluted disc drives the rolling column to rotate through the meshing teeth, the rolling column rotates and rubs with the inner side of the expansion bar and rotates inside the rotating groove, sliding friction between the meshing teeth and the expansion bar can be avoided, abrasion of the expansion bar and the meshing teeth is conveniently reduced, the service life of the device is conveniently prolonged, only the sealing sleeves on the expansion bar and the rolling column need to be replaced during maintenance, and the use and maintenance cost is low.
Preferably, the rotating shaft penetrates through the fluted disc and is fixedly connected with the fluted disc, and the bottom of the inner wall of the rotating groove is arc-shaped and matched with the rolling column.
Preferably, the base comprises an outer frame, second fixing strips are fixedly connected to two sides of the outer frame, fixing holes are formed in the tops of the second fixing strips, a supporting seat is fixedly connected to the top of the inner wall of the outer frame, a buffer spring is fixedly connected to the bottom of the supporting seat, a rotating seat is fixedly connected to the bottom of the buffer spring, a threaded sleeve is rotatably connected to the bottom of the rotating seat, a fixing rod is in threaded connection with the inside of the threaded sleeve, a fixing seat is fixedly connected to the bottom of the fixing rod and provided with the base, when the gear pump vibrates during operation, the vibration on the outer shell is transmitted to the outer frame, the outer frame transmits the vibration to the second fixing strips and the supporting seat, the supporting seat transmits the vibration to the buffer spring, partial vibration can be absorbed through the deformation of the buffer spring, the gear pump can be conveniently damped, and the vibration and abrasion during the operation of the gear pump can be reduced, and be provided with threaded bush and dead lever, the accessible rotates threaded bush and drives and rotate the seat and reciprocate, compression degree when conveniently changing buffer spring initial condition makes things convenient for buffer spring to push up all the time tightly in the outer frame below, when the bolt of fixed orifices inside produced when becoming flexible owing to vibrations, buffer spring accessible self elasticity propped up the outer frame, conveniently alleviates the vibration amplitude of outer frame.
Preferably, the top of the outer frame is fixedly connected with the bottom of the housing, the bottom of the second fixing strip is fixedly connected with a gasket, and a through hole matched with the fixing hole is formed in the gasket at the bottom of the second fixing strip.
Preferably, the buffer springs are provided with a plurality of groups and are uniformly distributed on the rotating seat, and the side surface of the threaded sleeve is fixedly connected with the poke rod.
A processing method of a low-loss gear pump comprises the following steps:
s1, when the oil inlet and the oil outlet generate pressure difference to cause the gear shift, the gear rubs the expansion bar inside the expansion port and extrudes the expansion bar, the expansion bar can prevent the gear from contacting the inner wall of the cavity to generate abrasion, one end of the expansion bar is extruded, so that the thermal expansion medium inside the expansion cavity extrudes the other end of the expansion bar, the other end of the expansion bar is extruded to protrude, and the gap generated by the shift of the other side of the gear is supplemented;
s2, when the expansion strip is worn after long-time use, the temperature of the electric heating body can be adjusted through the external gear control switch, the first fixing strip and the expansion strip are extruded through the volume of the thermal expansion medium, and the wear of the expansion strip is supplemented through the displacement of the expansion strip;
s3, when the gear pump vibrates during operation, the vibration on the shell is transmitted to the outer frame, the outer frame transmits the vibration to the second fixing strip and the supporting seat, and the supporting seat transmits the vibration to the buffer spring, so that part of the vibration can be absorbed through the deformation of the buffer spring.
(III) advantageous effects
The invention provides a low-loss gear pump and a processing method thereof. The method has the following beneficial effects:
(1) the low-loss gear pump is provided with a cavity, when the low-loss gear pump is used, an external drive drives a driving gear to rotate, the driving gear drives the gear to rotate through a rotating shaft, when the gear deflects due to pressure difference generated between an oil inlet and an oil outlet, the gear rubs with an expansion strip inside an expansion port and extrudes the expansion strip, the gear is prevented from being in contact with the inner wall of the cavity to generate abrasion through the separation of the expansion strip, one end of the expansion strip is extruded, a thermal expansion medium inside the expansion cavity extrudes the other end of the expansion strip, the other end of the expansion strip is extruded to be protruded, gaps generated by deflection at the other side of the gear can be supplemented, and the low-loss gear pump is safer and more reliable to use.
(2) When the expansion bar is worn after being used for a long time, the temperature of the electric heating body can be adjusted through the external gear control switch, the first fixing bar and the expansion bar are extruded through the volume of the thermal expansion medium, the wear of the expansion bar is supplemented through the displacement of the expansion bar, the gap between the gear and the expansion bar is avoided, the working efficiency of the gear pump is conveniently ensured, and the service life of the gear pump is prolonged.
(3) The gear is arranged, when the driving gear drives the gear to rotate through the rotating shaft, the fluted disc drives the rolling column to rotate through the meshing teeth, the rolling column rotates while rubbing with the inner side of the expansion strip and rotates in the rotating groove, sliding friction between the meshing teeth and the expansion strip can be avoided, abrasion of the expansion strip and the meshing teeth is conveniently reduced, the service life of the gear pump is conveniently prolonged, and only sealing sleeves on the expansion strip and the rolling column need to be replaced during maintenance, so that the use and maintenance cost is low.
(4) This low-loss gear pump and processing method thereof, be provided with the base, when the gear pump produces vibrations at the during operation, vibrations on the shell are transmitted to outer frame, outer frame will vibrate the transmission to second fixed strip and supporting seat on, the supporting seat will vibrate the transmission to buffer spring on, the deformation absorption part vibrations of accessible buffer spring, conveniently carry out the shock attenuation to the gear pump, alleviate the vibration wear in the gear pump work, and be provided with threaded sleeve and dead lever, accessible rotates threaded sleeve and drives and rotates the seat and reciprocate, compression degree when conveniently changing buffer spring initial state, make things convenient for buffer spring to push up tightly in outer frame below all the time, when the bolt of fixed orifices inside is because vibrations produce when becoming flexible, buffer spring accessible self elasticity props up the outer frame, conveniently alleviate the vibration amplitude of outer frame.
Drawings
FIG. 1 is a block flow diagram of the present invention;
FIG. 2 is a schematic view of the structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of a chamber structure according to the present invention;
FIG. 5 is a schematic view of the gear structure of the present invention;
FIG. 6 is a schematic view of the base structure of the present invention.
In the figure: 1. a housing; 2. an oil outlet; 3. a base; 31. an outer frame; 32. a second fixing strip; 33. a fixing hole; 34. a supporting seat; 35. a buffer spring; 36. a rotating seat; 37. a threaded sleeve; 38. fixing the rod; 39. a fixed seat; 4. a cavity; 41. a cavity housing; 42. expanding the cavity; 43. an expansion port; 44. an expansion bar; 45. a first fixing strip; 46. an electric heating body; 47. a gear; 471. a fluted disc; 472. meshing teeth; 473. a rotating groove; 474. a rolling post; 475. a sealing sleeve; 48. a rotating shaft; 49. a drive gear; 5. and an oil inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 2-4, the present invention provides a technical solution: a low-loss gear pump specifically comprises:
the oil-saving device comprises a shell 1, wherein an oil outlet 2 is formed in one side of the shell 1, and an oil inlet 5 is formed in one side, far away from the oil outlet 2, of the shell 1;
the base 3, the base 3 is set up in the bottom of the outer casing 1, the top of the base 3 is fixedly connected with bottom of the outer casing 1;
the cavity 4 is arranged inside the shell 1, and two sides of the cavity 4 are respectively communicated with the oil outlet 2 and the oil inlet 5;
the low-loss gear pump is characterized in that: the cavity 4 includes:
the top and the bottom of the inner wall of the cavity shell 41 are fixedly connected with an expansion cavity 42, and the bottom of the expansion cavity 42 is provided with an expansion port 43;
the expansion bar 44 is arranged inside the expansion port 43 and is in sliding connection with the expansion port 43, the top of the expansion bar 44 is fixedly connected with a first fixing bar 45, and the side surface of the first fixing bar 45 is fixedly connected with the inner wall of the expansion port 43;
the electric heating element 46, the electric heating element 46 is set up in expanding the cavity 42, the electric heating element 46 is fixedly connected with inner wall of expanding the cavity 42;
and two groups of gears 47 are arranged on the gears 47 and are vertically and symmetrically distributed in the cavity shell 41, the central position of the gear 47 penetrates through and is fixedly connected with a rotating shaft 48, and one end of the rotating shaft 48 penetrates through the cavity shell 41 and is fixedly connected with a driving gear 49.
The cavity housing 41 is arranged inside the housing 1 and is fixedly connected with the inner wall of the housing 1, and the driving gear 49 is arranged outside the housing 1.
The expansion chamber 42 is filled with thermal expansion medium, and one end of the electric heating element 46 is electrically connected to the gear control switch.
The expansion cavity 42 and the electric heating body 46 are arranged, when the expansion bar 44 is worn after being used for a long time, the temperature of the electric heating body 46 can be adjusted through an external gear control switch, the first fixing bar 45 and the expansion bar 44 are extruded through the volume of the thermal expansion medium, the abrasion of the expansion bar 44 is supplemented through the displacement of the expansion bar 44, so that a gap between the gear 47 and the expansion bar 44 is avoided, the working efficiency of the gear pump is conveniently ensured, and the service life of the gear pump is prolonged.
Example two:
referring to fig. 2-5, the present invention provides a technical solution based on the first embodiment: the gear 47 comprises a fluted disc 471, the side of the fluted disc 471 is provided with meshing teeth 472, one end of the meshing teeth 472 far away from the fluted disc 471 is provided with a rotating groove 473, the inner wall of the rotating groove 473 is rotatably connected with a rolling column 474, the outer side of the rolling column 474 is sleeved and fixedly connected with a sealing sleeve 475, the rotating shaft 48 penetrates through the fluted disc 471 and is fixedly connected with the fluted disc 471, the bottom of the inner wall of the rotating groove 473 is provided with an arc shape matched with the rolling column 474, and a gear 47 is arranged, when the driving gear 49 drives the gear 47 to rotate through the rotating shaft 48, the fluted disc 471 drives the rolling column 474 to rotate through the meshing teeth 472, the rolling column 474 rubs the inner side of the expansion bar 44 and rotates in the rotating groove 473 while rotating, so as to avoid sliding friction between the meshing teeth 472 and the expansion bar 44, the abrasion between the expansion bar 44 and the meshing teeth 472 is conveniently reduced, the service life of the device is conveniently prolonged, and only the sealing sleeve 475 on the expansion bar 44 and the rolling column 474 is replaced during maintenance, the use and maintenance cost is lower.
Example three:
referring to fig. 2-6, the present invention provides a technical solution based on the first embodiment and the second embodiment: base 3 includes outer frame 31, the equal fixedly connected with second fixed strip 32 in outer frame 31 both sides, fixed orifices 33 has been seted up at second fixed strip 32 top, outer frame 31 inner wall top fixedly connected with supporting seat 34, supporting seat 34 bottom fixedly connected with buffer spring 35, buffer spring 35 bottom fixedly connected with rotates seat 36, it is connected with threaded sleeve 37 to rotate 36 bottoms of seat, threaded sleeve 37 internal thread is connected with dead lever 38, dead lever 38 bottom fixedly connected with fixing base 39, outer frame 31 top and 1 bottom fixed connection of shell, second fixed strip 32 bottom fixedly connected with gasket, set up the through-hole with fixed orifices 33 looks adaptation on the gasket of second fixed strip 32 bottom, buffer spring 35 is provided with the multiunit and evenly distributed is on rotating seat 36, 37 side fixedly connected with poker bars of threaded sleeve.
Be provided with base 3, when the gear pump when the during operation produced vibrations, vibrations on the shell 1 are transmitted to outer frame 31 on, outer frame 31 will vibrate and transmit to second fixed strip 32 and supporting seat 34 on, supporting seat 34 will vibrate and transmit to buffer spring 35 on, the deformation absorption part vibrations of accessible buffer spring 35, conveniently carry out the shock attenuation to the gear pump, alleviate the vibration wearing and tearing of gear pump during operation, and be provided with threaded sleeve 37 and dead lever 38, accessible rotates threaded sleeve 37 and drives and rotates seat 36 and reciprocate, the compression degree when conveniently changing buffer spring 35 initial condition, make things convenient for buffer spring 35 to push up tightly in outer frame 31 below all the time, when the inside bolt of fixed orifices 33 is not hard up because vibrations produce, buffer spring 35 accessible self elasticity props up outer frame 31, conveniently alleviate the vibration amplitude of outer frame 31.
Example four:
referring to fig. 1, the present invention provides a method for processing a low-loss gear pump, including the following steps:
s1, when the expansion joint is used, an external drive drives a driving gear to rotate, the driving gear drives the gear to rotate through a rotating shaft, when the gear deflects due to pressure difference generated between an oil inlet and an oil outlet, the gear rubs with an expansion strip inside an expansion port and extrudes the expansion strip, the gear is prevented from being in contact with the inner wall of a cavity body to generate abrasion through the obstruction of the expansion strip, one end of the expansion strip is extruded, a thermal expansion medium inside an expansion cavity extrudes the other end of the expansion strip, the other end of the expansion strip is extruded and protruded, and a gap generated by deflection at the other side of the gear is supplemented;
s2, when the expansion strip is worn after long-term use, the temperature of the electric heating body can be adjusted through the external gear control switch, the first fixing strip and the expansion strip are extruded through the volume of the thermal expansion medium, and the wear of the expansion strip is supplemented through the displacement of the expansion strip;
s3, when the gear pump vibrates during operation, the vibration on the shell is transmitted to the outer frame, the outer frame transmits the vibration to the second fixing strip and the supporting seat, and the supporting seat transmits the vibration to the buffer spring, so that part of the vibration can be absorbed through the deformation of the buffer spring.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A low-loss gear pump specifically comprises:
the oil-saving device comprises a shell (1), wherein an oil outlet (2) is formed in one side of the shell (1), and an oil inlet (5) is formed in one side, far away from the oil outlet (2), of the shell (1);
the base (3), the base (3) is set up in the bottom of the outer casing (1), the top of the said base (3) is fixedly connected with bottom of the outer casing (1);
the cavity (4) is arranged inside the shell (1), and two sides of the cavity (4) are respectively communicated with the oil outlet (2) and the oil inlet (5);
the low-loss gear pump is characterized in that: the cavity (4) comprises:
the top and the bottom of the inner wall of the cavity shell (41) are fixedly connected with an expansion cavity (42), and the bottom of the expansion cavity (42) is provided with an expansion port (43);
the expansion strip (44) is arranged inside the expansion port (43) and is in sliding connection with the expansion port (43), the top of the expansion strip (44) is fixedly connected with a first fixing strip (45), and the side surface of the first fixing strip (45) is fixedly connected with the inner wall of the expansion port (43);
the electric heating body (46), the electric heating body (46) is set up in expanding the cavity (42), the said electric heating body (46) and expanding the cavity (42) inner wall fixed connection;
the gear (47) is provided with two groups, the two groups of gears are vertically and symmetrically distributed in the cavity shell (41), the center position of the gear (47) penetrates through and is fixedly connected with a rotating shaft (48), and one end of the rotating shaft (48) penetrates through the cavity shell (41) and is fixedly connected with a driving gear (49);
the expansion cavity (42) is filled with a thermal expansion medium, and one end of the electric heating body (46) is electrically connected with the gear control switch;
the gear (47) comprises a fluted disc (471), the side face of the fluted disc (471) is provided with meshing teeth (472), one end, far away from the fluted disc (471), of each meshing tooth (472) is provided with a rotating groove (473), the inner wall of each rotating groove (473) is rotatably connected with a rolling column (474), and the outer side of each rolling column (474) is sleeved with and fixedly connected with a sealing sleeve (475);
the rotating shaft (48) penetrates through the fluted disc (471) and is fixedly connected with the fluted disc (471), and the bottom of the inner wall of the rotating groove (473) is set to be in an arc shape matched with the rolling column (474).
2. A low loss gear pump according to claim 1, wherein: the cavity shell (41) is arranged inside the shell (1) and fixedly connected with the inner wall of the shell (1), and the driving gear (49) is arranged outside the shell (1).
3. A low loss gear pump according to claim 1, wherein: base (3) are including outer frame (31), the equal fixedly connected with second fixed strip (32) in outer frame (31) both sides, fixed orifices (33) have been seted up at second fixed strip (32) top, outer frame (31) inner wall top fixedly connected with supporting seat (34), supporting seat (34) bottom fixedly connected with buffer spring (35), buffer spring (35) bottom fixedly connected with rotates seat (36), it is connected with threaded sleeve (37) to rotate seat (36) bottom rotation, threaded sleeve (37) internal thread is connected with dead lever (38), dead lever (38) bottom fixedly connected with fixing base (39).
4. A low loss gear pump according to claim 3, wherein: the top of the outer frame (31) is fixedly connected with the bottom of the shell (1), the bottom of the second fixing strip (32) is fixedly connected with a gasket, and a through hole matched with the fixing hole (33) is formed in the gasket at the bottom of the second fixing strip (32).
5. A low loss gear pump according to claim 3, wherein: buffer spring (35) are provided with the multiunit and evenly distributed on rotating seat (36), screw sleeve (37) side fixedly connected with poker rod.
6. A method of manufacturing a low loss gear pump according to claim 5, wherein: the method comprises the following steps:
s1, when the expansion joint is used, an external drive drives a driving gear to rotate, the driving gear drives the gear to rotate through a rotating shaft, when the gear deflects due to pressure difference generated between an oil inlet and an oil outlet, the gear rubs with an expansion strip inside an expansion port and extrudes the expansion strip, the gear is prevented from being in contact with the inner wall of a cavity body to generate abrasion through the obstruction of the expansion strip, one end of the expansion strip is extruded, a thermal expansion medium inside an expansion cavity extrudes the other end of the expansion strip, the other end of the expansion strip is extruded and protruded, and a gap generated by deflection at the other side of the gear is supplemented;
s2, when the expansion strip is worn after long-time use, the temperature of the electric heating body can be adjusted through the external gear control switch, the first fixing strip and the expansion strip are extruded through the volume of the thermal expansion medium, and the wear of the expansion strip is supplemented through the displacement of the expansion strip;
s3, when the gear pump generates vibration during operation, the vibration on the shell is transmitted to the outer frame, the outer frame transmits the vibration to the second fixing strip and the supporting seat, and the supporting seat transmits the vibration to the buffer spring, so that partial vibration can be absorbed through the deformation of the buffer spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210018108.8A CN114294220B (en) | 2022-01-07 | 2022-01-07 | Low-loss gear pump and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210018108.8A CN114294220B (en) | 2022-01-07 | 2022-01-07 | Low-loss gear pump and machining method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114294220A CN114294220A (en) | 2022-04-08 |
| CN114294220B true CN114294220B (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210018108.8A Active CN114294220B (en) | 2022-01-07 | 2022-01-07 | Low-loss gear pump and machining method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009097341A (en) * | 2007-10-12 | 2009-05-07 | Nabtesco Corp | Vacuum pump and its control method |
| CN201661316U (en) * | 2010-02-08 | 2010-12-01 | 中国海洋石油总公司 | High temperature gear hydraulic motor |
| CN106762613A (en) * | 2017-01-16 | 2017-05-31 | 三明索富泵业有限公司 | A kind of radial clearance compensates gear pump |
| CN213982814U (en) * | 2020-12-18 | 2021-08-17 | 安徽诺磊测绘技术服务有限公司 | Horizontal support seat is used in survey and drawing with shock-absorbing function |
| CN214403967U (en) * | 2021-01-18 | 2021-10-15 | 无锡迪欧机械制造有限公司 | Gear pump with shock absorption and noise elimination functions |
-
2022
- 2022-01-07 CN CN202210018108.8A patent/CN114294220B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009097341A (en) * | 2007-10-12 | 2009-05-07 | Nabtesco Corp | Vacuum pump and its control method |
| CN201661316U (en) * | 2010-02-08 | 2010-12-01 | 中国海洋石油总公司 | High temperature gear hydraulic motor |
| CN106762613A (en) * | 2017-01-16 | 2017-05-31 | 三明索富泵业有限公司 | A kind of radial clearance compensates gear pump |
| CN213982814U (en) * | 2020-12-18 | 2021-08-17 | 安徽诺磊测绘技术服务有限公司 | Horizontal support seat is used in survey and drawing with shock-absorbing function |
| CN214403967U (en) * | 2021-01-18 | 2021-10-15 | 无锡迪欧机械制造有限公司 | Gear pump with shock absorption and noise elimination functions |
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| Publication number | Publication date |
|---|---|
| CN114294220A (en) | 2022-04-08 |
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