CN212407029U - Oil gas recovery vacuum pump and oiling machine - Google Patents
Oil gas recovery vacuum pump and oiling machine Download PDFInfo
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- CN212407029U CN212407029U CN202021856458.4U CN202021856458U CN212407029U CN 212407029 U CN212407029 U CN 212407029U CN 202021856458 U CN202021856458 U CN 202021856458U CN 212407029 U CN212407029 U CN 212407029U
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- 238000011084 recovery Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 230000007704 transition Effects 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000452 restraining effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 230000006978 adaptation Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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Abstract
The utility model discloses an oil gas recovery vacuum pump, tanker aircraft, the vacuum pump utilizes the cooperation of parts such as motor, gear mechanism, shaft coupling, connecting seat, second connecting shell, rotor and push pedal, drive the shaft coupling by motor drive gear mechanism and pull the eccentric rotation of rotor, make a pair of push pedals deviate from and paste with the inner wall of second connecting shell by centrifugal force, make the air in the first heavy groove be pushed to the second heavy groove and export from the second joint or make the air in the second heavy groove be pushed to the first heavy groove and export from the first joint, gear mechanism passes through the cooperation of first gear train, second pivot, transition gear, second gear train and shift fork etc., drive the second gear train to slide up or down on the third pivot by the shift fork, make the gear of the upper end of second gear train mesh with the transition gear on the second pivot or make the gear of the lower extreme of second gear train mesh with the gear of the lower extreme of first gear train, therefore, the motors with different steering directions are adaptive to the rotor rotating direction of the scheme.
Description
Technical Field
The utility model belongs to the technical field of the vacuum pump technique and specifically relates to be applied to the pump unit field of tanker aircraft, concretely relates to vapor recovery system vacuum pump, tanker aircraft.
Background
The oil gas recovery technology of the oiling machine is an energy-saving and environment-friendly new technology, oil gas discharged by oil products in the processes of storage, transportation, loading and unloading is recovered by using the oil gas recovery technology, air pollution caused by oil gas volatilization is prevented, potential safety hazards are eliminated, and the main idea is to reduce economic loss by improving the utilization rate of energy sources, so that considerable benefit return is obtained.
However, the oil gas recovery vacuum pump structure among the prior art is one-way, when oil gas recovery vacuum pump and motor dress were reversed, the motor turned to and predetermines when opposite promptly, can lead to the oil gas to flow backward, can damage oil gas vacuum pump itself and other relevant equipment, and the supporting subassembly of current most vacuum pumps is many can't turn to the condition according to the motor and carry out temporary adjustment, the finished piece is decided promptly, so, this also makes when the vacuum pump assembly, is difficult to carry out instant adaptation to the condition of old motor.
Disclosure of Invention
To the condition of prior art, the utility model aims to provide an adaptation nature is strong, the structure cooperation is reliable, use nimble vapor recovery vacuum pump and the application in the tanker aircraft thereof.
In order to realize the technical purpose, the utility model adopts the technical scheme that:
the utility model provides an oil gas recovery vacuum pump, connects in the tanker aircraft and is used for providing the required negative pressure of tanker aircraft recovery oil gas, it includes:
a motor;
the first connecting shell is of a cylindrical structure, and one end of the first connecting shell is fixed on the end face of the motor, which is provided with the rotating shaft;
the gear mechanism is fixed in the first connecting shell, and one end of the gear mechanism is connected with a rotating shaft of the motor;
one end of the coupling is connected with the other end of the gear mechanism;
the connecting seat is fixedly arranged at the other end of the first connecting shell, and a first sinking groove and a second sinking groove are symmetrically arranged on the end face, away from the first connecting shell, of the connecting seat;
the second connecting shell is of a cylindrical structure, one end of the second connecting shell is abutted and fixed on the connecting seat and surrounds the first sinking groove and the second sinking groove;
one end of the first joint is fixed on one side of the connecting seat and is communicated with the first sinking groove;
one end of the second joint is fixed on the other side of the connecting seat and is communicated with the second sinking groove;
the rotor is of a circular structure and is eccentrically and rotatably arranged on the end face, far away from the first connecting shell, of the connecting seat through the connecting shaft, and the upper end face of the rotor is level with the upper end face of the second connecting shell;
the connecting cover is covered on the upper end surface of the second connecting shell and seals the rotor in the second connecting shell;
the upper end face of the rotor is provided with a pair of oppositely arranged sliding grooves, the sliding grooves extend along the edge of the rotor and form an opening, the sliding grooves and the pushing plates are in one-to-one correspondence, the pushing plates are connected in the sliding grooves in a sliding mode, and the end parts, far away from the center of the rotor, of the pushing plates are of arc structures;
the lower end of the connecting shaft penetrates out of the connecting seat and is connected with the other end of the coupler, the motor drives the gear mechanism to drive the coupler to pull the rotor to rotate eccentrically, the pair of push plates are separated by centrifugal force and attached to the inner wall of the second connecting shell, and air in the first sinking groove is pushed to the second sinking groove and is output from the second connector or air in the second sinking groove is pushed to the first sinking groove and is output from the first connector.
As one possible embodiment of the gear mechanism, further, the gear mechanism includes:
the connecting plate is fixed in the first connecting shell;
the first gear set comprises a pair of gears which are opposite up and down and are fixedly connected with each other, the gears are rotatably connected to the upper end surface of the connecting plate through a first rotating shaft, and the upper end of the first rotating shaft is connected with the coupler;
the second rotating shaft is rotatably connected to one side of the first gear set;
the transition gear is fixed at the upper end of the second rotating shaft and is meshed with the gear at the upper end of the first gear set;
one end of the third rotating shaft is connected with the rotating shaft of the motor, and the other end of the third rotating shaft penetrates through the upper end face of the connecting plate;
the second gear set comprises a pair of gears which are opposite up and down and are fixedly connected with each other, and the gears are connected with one end of the third rotating shaft in a sleeved mode and can slide up and down through keys;
one end of the shifting fork is a shifting end and is connected between two gears of the second gear set in a restraining manner, and the shifting fork drives the second gear set to slide upwards on the third rotating shaft, so that the gear at the upper end of the second gear set is meshed with the transition gear on the second rotating shaft, or drives the second gear set to slide downwards on the third rotating shaft, so that the gear at the lower end of the second gear set is meshed with the gear at the lower end of the first gear set;
the lower end of the guide rod penetrates through the middle part of the shifting fork and is fixed on the connecting plate;
the lower end of the screw rod is rotatably connected to the connecting plate through a connecting block, the upper end of the screw rod vertically extends upwards and is in threaded connection with the other end of the shifting fork, the shifting fork is driven to lift by the rotation of the screw rod, and a clamping groove is formed in one side of the connecting block;
one end of the clamping hook is rotatably connected to the connecting plate through a torsion spring, and the other end of the clamping hook is in constraint fit with the clamping groove in the connecting block.
As a preferred alternative embodiment, preferably, the connecting plate is further fixedly sleeved with a third connecting housing, the first gear set, the second gear set and the transition gear are not higher than the upper end surface of the third connecting housing, and the upper end of the first rotating shaft penetrates out of the third connecting housing and is connected with the coupling.
As a preferred alternative, preferably, the third connecting shell is fixedly connected to the first connecting shell through a first connecting portion, and the first connecting shell is correspondingly provided with a second connecting portion matched with the third connecting shell.
As a possible implementation, the present solution further includes:
the one-way valve is connected to the first joint and enables the first joint to form an air outlet end;
the motor drives the gear mechanism to drive the coupler to pull the rotor to eccentrically rotate, so that the pair of push plates are separated by centrifugal force and attached to the inner wall of the second connecting shell, air in the second sinking groove is pushed into the first sinking groove and output from the first connector, and meanwhile, negative pressure is formed in the second sinking groove and air is exhausted through the second connector.
As a possible implementation manner, further, the first sinking groove and the second sinking groove are communicated through a pressure relief valve.
As a possible implementation manner, further, the scheme further includes a plurality of first connecting bolts arranged in an annular array and a plurality of second connecting bolts arranged in an annular array, the first connecting bolts pass through the connecting seat and the first connecting shell according to the sequence to fixedly connect the connecting seat and the first connecting shell with the motor, and the second connecting bolts pass through the connecting cover and the second connecting shell according to the sequence to fixedly connect the connecting cover and the second connecting shell with the connecting seat.
Under the structural condition, the scheme also provides another possible implementation mode of the gear mechanism, further, the positions of the coupler and the gear mechanism are interchanged, one end of the coupler is connected with a rotating shaft of the motor, the other end of the coupler is connected with one end of the gear mechanism, and the other end of the gear mechanism is connected with the connecting shaft;
the gear mechanism includes:
the upper end of the connecting sleeve is fixedly connected with the connecting shaft through a connecting piece, and the inner peripheral side of the connecting sleeve is provided with a ring gear structure;
the pair of supporting plates are of annular structures and are respectively fixed at the upper end and the lower end of the connecting sleeve;
the traction gears are rotatably connected between the pair of supporting plates in an annular array and are all meshed with the annular gear structures in the connecting sleeve;
one end of the traction rotating shaft is connected with the other end of the coupler, the other end of the traction rotating shaft penetrates into the connecting sleeve and is meshed and connected with the traction gears through the main driving gear, and the motor drives the coupler to pull the traction rotating shaft to drive the main driving gear to drive the traction gears to rotate, so that the traction gears pull the connecting sleeve to drive the connecting shaft to rotate.
As a preferred embodiment, preferably, the number of the traction gears is 3.
As a preferred embodiment, the connecting shaft preferably extends in a direction approaching the connecting cover and penetrates the connecting cover and can be used for a mating connection with a gear mechanism.
An oiling machine comprises the oil gas recovery vacuum pump.
Adopt foretell technical scheme, compared with the prior art, the utility model, its beneficial effect who has is: the proposal ingeniously utilizes the matching of a motor, a gear mechanism, a coupler, a connecting seat, a second connecting shell, a rotor, a push plate and other parts, wherein the rotor is rotationally connected on the connecting seat through a connecting shaft, the lower end of the connecting shaft penetrates out of the connecting seat and is connected with the other end of the coupler, and the motor drives the gear mechanism to drive the coupler to pull the rotor to eccentrically rotate, so that a pair of push plates are separated by centrifugal force and are attached to the inner wall of the second connecting shell, air in a first sinking groove is pushed into a second sinking groove and is output from a second joint or air in the second sinking groove is pushed into the first sinking groove and is output from the first joint, the gear mechanism drives a second gear set to slide on a third rotating shaft through the matching of the first gear set, the second rotating shaft, the transition gear is meshed with a transition gear on the upper end of the second rotating shaft, or the second gear set is driven to slide downwards on the third rotating shaft, so that the gear at the lower end of the second gear set is meshed with the gear at the lower end of the first gear set, and the motors with different steering directions are adapted to the rotating direction of the rotor of the scheme, and the first sinking groove and the second sinking groove of the connecting seat are designed symmetrically, therefore, on the basis of the scheme, the gear mechanism of the scheme can also be in a planetary structure, the scheme also enables the connecting shaft to extend upwards and penetrate through the connecting cover, so that both ends of the connecting shaft can be used for being matched and connected with the coupler or the gear mechanism, and the scheme enables the connecting shaft of the rotor to be switched and adapted only by turning over the connecting seat, the second connecting shell connected with the connecting seat and the connecting cover (namely, a pump head structure connected with the gear mechanism) when aiming at the motors with different steering directions, so that the structure of the scheme can be suitable for the, without prior customization.
Drawings
The scheme of the invention is further explained by combining the attached drawings and the detailed embodiment:
fig. 1 is one of the schematic structural diagrams of embodiment 1 of the present invention;
fig. 2 is one of schematic explosion structure diagrams of embodiment 1 of the present invention;
fig. 3 is a second schematic diagram of a schematic explosion structure of embodiment 1 of the present invention;
fig. 4 is a third schematic diagram of a schematic explosion structure of embodiment 1 of the present invention;
fig. 5 is a schematic sectional structure diagram of embodiment 1 of the present invention;
fig. 6 is a second schematic structural view of the embodiment 1 of the present invention, in which the first connecting housing and the third connecting housing are hidden, and in addition, one of the mating states of the gear mechanisms is shown;
fig. 7 is a third schematic view of a brief implementation structure of embodiment 1 of the present invention, in which the first connecting housing and the third connecting housing are hidden, and in addition, another matching state of the gear mechanism is shown;
fig. 8 is a third schematic view of a brief implementation structure of embodiment 1 of the present invention, in which the connection cover is hidden;
fig. 9 is one of schematic implementation diagrams of a gear mechanism according to embodiment 1 of the present invention;
fig. 10 is a second schematic diagram of the gear mechanism according to embodiment 1 of the present invention;
fig. 11 is a schematic sectional view of the connecting portion of the connecting base and the connecting shaft according to the present invention;
fig. 12 is one of schematic implementation diagrams of a gear mechanism according to embodiment 2 of the present invention, in which some parts are shown in a perspective view and only show the gear mechanism and a part of the structure connected to the gear mechanism;
fig. 13 is a second schematic sectional view of the gear mechanism according to embodiment 2 of the present invention, in which some parts are shown in perspective and only show the gear mechanism and a part of the structure connected to the gear mechanism;
fig. 14 is a schematic view of the connection socket according to embodiment 2 of the present invention in one of the installed states;
fig. 15 is a schematic view illustrating another state in which the connecting socket according to embodiment 2 of the present invention is mounted;
fig. 16 is a schematic sectional structure diagram of embodiment 2 of the present invention.
Detailed Description
Example 1
As shown in one of fig. 1 to 11, the utility model relates to an oil gas recovery vacuum pump is connected in the tanker aircraft and is used for providing the required negative pressure of tanker aircraft recovery oil gas, and it includes:
a motor 1;
the first connecting shell 2 is of a cylindrical structure, and one end of the first connecting shell is fixed on the end face, provided with the rotating shaft, of the motor 1;
the gear mechanism 3 is fixed in the first connecting shell 2, and one end of the gear mechanism is connected with a rotating shaft of the motor 1;
one end of the coupler 6 is connected with the other end of the gear mechanism 3;
the connecting seat 4 is fixedly arranged at the other end of the first connecting shell 2, and a first sinking groove 461 and a second sinking groove 462 are symmetrically arranged on the end surface, far away from the first connecting shell 2, of the connecting seat 4;
a second connecting housing 46, which is a cylindrical structure, and one end of which is fixed on the connecting base 4 in an abutting manner and surrounds the first sinking groove 461 and the second sinking groove 462;
a first connector 41 having one end fixed to one side of the connecting seat 4 and communicating with the first sinking groove 461;
a second connector 43 having one end fixed to the other side of the connecting seat 4 and communicating with the second sinking groove 462;
the rotor 5 is of a circular structure and is eccentrically and rotatably arranged on the end face, far away from the first connecting shell 2, of the connecting seat 4 through a connecting shaft 7, and the upper end face of the rotor 5 is flush with the upper end face of the second connecting shell 46;
a connection cover 45 covering the upper end surface of the second connection housing 46 to enclose the rotor 5 in the second connection housing 46;
a pair of push plates 52, wherein a pair of oppositely arranged slide grooves 51 are formed on the upper end surface of the rotor 5, the slide grooves 51 extend along the edge of the rotor 5 and form an opening, the pair of slide grooves 51 and the pair of push plates 52 are in one-to-one correspondence, the push plates 52 are slidably connected in the slide grooves 51, and the end parts of the push plates 52 far away from the center of the rotor 5 are of arc structures 521;
the lower end of the connecting shaft 7 penetrates through the connecting seat 4 and is connected with the other end of the coupler 6, and the motor 1 drives the gear mechanism 3 to drive the coupler 6 to pull the rotor 5 to eccentrically rotate, so that the pair of push plates 52 are separated by centrifugal force and attached to the inner wall of the second connecting shell 46, and the air in the first sinking groove 461 is pushed into the second sinking groove 462 and is output from the second joint 43, or the air in the second sinking groove 462 is pushed into the first sinking groove 461 and is output from the first joint 41.
In order to prevent the connecting shaft 7 from moving when rotating, a cylindrical extension part 72 is arranged at the position, corresponding to the position where the connecting shaft 7 penetrates out, of the connecting seat 4, an annular groove is formed in the peripheral side of the cylindrical extension part 72, and a movement stopping snap spring 71 in clamping fit with the connecting shaft is arranged in the annular groove.
As one possible embodiment of the gear mechanism 3, further, the gear mechanism 3 includes:
a connection plate 33 fixed in the first connection housing 2;
a first gear set 36 including a pair of gears which are opposite to each other and fixedly connected with each other, and rotatably connected to the upper end surface of the connecting plate 33 through a first rotating shaft 361, wherein the upper end of the first rotating shaft 361 is connected with the coupling 6;
a second rotating shaft 371 rotatably connected to one side of the first gear set 36;
a transition gear 37 fixed to the upper end of the second rotating shaft 371 and engaged with a gear at the upper end of the first gear set 36;
one end of the third rotating shaft 351 is connected with the rotating shaft of the motor 1, and the other end of the third rotating shaft penetrates through the upper end face of the connecting plate 33;
the second gear set 35 includes a pair of gears which are opposite to each other and fixedly connected with each other, and is connected with the other end of the third rotating shaft 351 in a key-connected manner and can slide up and down;
a shifting fork 39, one end of which is a shifting end and is constrained and connected between two gears of the second gear set 35, and drives the second gear set 35 to slide upwards on the third rotating shaft 351, so that the gear at the upper end of the second gear set 35 is meshed with the transition gear 37 on the second rotating shaft 371, or drives the second gear set 35 to slide downwards on the third rotating shaft 351, so that the gear at the lower end of the second gear set 35 is meshed with the gear at the lower end of the first gear set 36;
the lower end of the guide rod 391 penetrates through the middle part of the shifting fork 39 and is fixed on the connecting plate 33;
the lower end of the screw rod 38 is rotatably connected to the connecting plate 33 through a connecting block 342, the upper end of the screw rod extends vertically upwards and is in threaded connection with the other end of the shifting fork 39, the screw rod 38 rotates to drive the shifting fork 39 to lift, and a clamping groove is formed in one side of the connecting block 342;
one end of the hook 34 is rotatably connected to the connecting plate 33 through a torsion spring 341, and the other end is used for being in constraint fit with a clamping groove on the connecting block 342.
As a preferred optional embodiment, preferably, the connecting plate 33 is further fixedly sleeved with a third connecting housing 32, the first gear set 36, the second gear set 35 and the transition gear 37 are not higher than an upper end surface of the third connecting housing 32, and an upper end of the first rotating shaft 361 penetrates through the third connecting housing 32 and is connected with the coupling 6.
For the convenience of fixing, as a preferred alternative embodiment, it is preferable that the third connecting shell 32 is fixedly connected to the first connecting shell 2 through a first connecting portion 31, the first connecting shell 2 is correspondingly provided with a second connecting portion 22 matched with the third connecting shell 32, and the first connecting portion 31 can be connected to the second connecting portion 22 through a screw.
In order to facilitate the stable gas circulation of the first joint 41 and the second joint 43, as a possible implementation, the present solution further includes:
a check valve 42 connected to the first joint 41 to make the first joint 41 form an air outlet end, a flame arrester 44 connected to the second joint 43 for facilitating butt joint with an external device, and a flame arrester arranged between the check valve 42 and the first joint 41;
under the structure, the motor 1 drives the gear mechanism 3 to drive the coupler 6 to pull the rotor 5 to eccentrically rotate, so that the pair of push plates 52 are separated by centrifugal force and attached to the inner wall of the second connecting shell 46, the air in the second sinking groove 462 is pushed into the first sinking groove 461 and is output from the first connector 41, and meanwhile, negative pressure is formed in the second sinking groove 462 and is exhausted through the second connector 43.
In order to avoid excessive imbalance of air pressure in the first sinking groove 461 and the second sinking groove 462 caused by excessive air pressure imbalance when the rotor 5 rotates at high speed, as a possible embodiment, the first sinking groove 461 and the second sinking groove 462 are further communicated through a relief valve 463.
As a possible implementation manner, further, the scheme further includes a plurality of first connecting bolts 21 arranged in a circular array and a plurality of second connecting bolts 464 arranged in a circular array, where the first connecting bolts 21 sequentially pass through the connecting seat 4 and the first connecting housing 2, and fixedly connect the connecting seat 4 and the first connecting housing 2 with the motor 1, and the second connecting bolts 464 sequentially pass through the connecting cover 45 and the second connecting housing 46, and fixedly connect the connecting cover 45 and the second connecting housing 46 with the connecting seat 4.
In order to improve the air tightness, O-ring seals 47 and 48 are disposed between the second connecting housing and the connecting cover 45 and between the second connecting housing and the connecting socket 4, and an oil seal and a bearing are disposed at a position where the connecting shaft 7 penetrates through the connecting socket 4.
The brief working principle of the scheme is as follows:
the motor 1 rotates to drive the third rotating shaft 351 to rotate, so that the second gear set 35 connected with the third rotating shaft 351 in a key mode rotates, the preset state of the second gear set 35 can be set to be that a gear at the lower part of the second gear set is meshed with a gear at the lower part of the first gear set 36, and at the moment, the motor directly drives the second gear set 35 to drive the first gear set to rotate, so that the rotor rotates;
when the rotation direction of the rotor 5 needs to be adjusted in a reverse rotation mode, the shifting fork 39 is lifted only by rotating the screw rod 38, and meanwhile the second gear set 35 is driven to lift, so that the gear on the upper portion of the second gear set 35 is meshed with the transition gear 37 connected with the upper portion of the second rotating shaft 371, in addition, the screw rod 38 can be restrained and fixed through the clamping hook 34, the internal meshing structure of the gear mechanism 3 is adjusted, and the rotor 5 is enabled to rotate in the reverse direction.
Referring to fig. 8 as a motion reference, the rotor 5 is driven by the motor 1 to rotate counterclockwise, so that the pair of push plates 52 are pulled out by centrifugal force and attached to the inner wall of the second connection housing 46, the air in the second sinking groove 462 is pushed into the first sinking groove 461, and one side of the rotor 5 is attached to the inner wall of the second connection housing 46, so that the air pushed into the first sinking groove 461 is compressed to form a positive pressure, and the gas is output from the first connector 41, and the gas in the second sinking groove 462 is pushed away to form a negative pressure, so that the gas enters from the second connector 43 and is then supplemented back into the second sinking groove 462, thereby regularly achieving the technical effects of the gas being drawn into the second connection housing 46 by the second connector 43 and being output from the first connector 41.
The relief valve 463 is used to prevent the deformation of the inner second connecting housing 46 due to excessive pressure or other poor operation conditions, because the gas starts to be compressed and the volume gradually decreases when the second sinking groove 462 is isolated from the first sinking groove 461, and when the compressed gas exceeds the exhaust pressure, the relief valve 463 is pushed away by the compressed gas and the gas passing through part returns to the second sinking groove 462.
Example 2
As shown in one of fig. 12 to 16, the present embodiment is substantially the same as embodiment 1, except that this solution also provides another possible embodiment of the gear mechanism 3, which is mainly: the positions of the coupler 305 and the gear mechanism 3 are interchanged, one end of the coupler 6 is connected with the rotating shaft of the motor 1, the other end of the coupler 6 is connected with one end of the gear mechanism 3, and the other end of the gear mechanism 3 is connected with the connecting shaft 7;
the gear mechanism 3 includes:
the upper end of the connecting sleeve 32 is fixedly connected with a connecting shaft connected with the rotor through a connecting piece 305, and the inner peripheral side of the connecting sleeve 32 is provided with a ring gear structure 321;
a pair of support plates 301 having an annular structure and fixed to the upper and lower ends of the connection sleeve 32, respectively;
a plurality of traction gears 304 which are rotatably connected between the pair of support plates 301 in an annular array and are all meshed with the annular gear structure 321 in the connecting sleeve 32;
one end of the traction rotating shaft 3021 is connected to the other end of the coupler 6, the other end penetrates into the connecting sleeve 32 and is meshed with the plurality of traction gears 304 through the main driving gear 302, and the motor drives the coupler 6 to pull the traction rotating shaft 3021 to drive the main driving gear 302 to drive the plurality of traction gears 304 to rotate, so that the traction gears 304 pull the connecting sleeve 32 to drive the connecting shaft 7 to rotate.
In this embodiment, as a preferred embodiment, it is preferable that the number of the traction gears 304 is 3.
In addition, as shown in fig. 14 and fig. 15, in order to facilitate the adaptation to motors with different rotation directions, as a preferred embodiment, it is preferable that the connecting shaft 7 extends in a direction approaching to the connecting cover 45, penetrates through the connecting cover 45 and is used for being matched and connected with the gear mechanism 3; this scheme form makes connecting axle 7 of rotor when motor 1 to the different rotation directions, only need connect connecting seat 4 and the second of being connected with it and connect casing 46, connect lid 45 (the pump head structure of being connected with gear mechanism 3 promptly) to overturn the installation and can realize switching the adaptation, make the structure of this scheme can be applicable to the motor 1 that the difference turned to, and need not customization in advance, under this condition, take place the drunkenness in order to prevent that connecting axle 7 from rotatory, connecting axle 7 corresponds and all is provided with on wearing out connecting seat 4 and the position of connecting lid 45 and ends and scurries the jump ring, and the both ends of connecting axle 7 still add and be equipped with bearing and oil seal spare.
By integrating the two embodiments, the scheme ingeniously utilizes the matching of the motor 1, the gear mechanism 3, the coupling 6, the connecting seat 4, the second connecting shell 46, the rotor 5, the push plate 52 and other components, the rotor 5 is rotatably connected to the connecting seat 4 through the connecting shaft 7, the lower end of the connecting shaft 7 penetrates through the connecting seat 4 and is connected with the other end of the coupling 6, the motor 1 drives the gear mechanism 3 to drive the coupling 6 to pull the rotor 5 to eccentrically rotate, so that the pair of push plates 52 are separated by centrifugal force and attached to the inner wall of the second connecting shell 46, air in the first sunken groove 461 is pushed into the second sunken groove 462 and is output from the second joint 43, or air in the second sunken groove 462 is pushed into the first sunken groove 461 and is output from the first joint 41, and the gear mechanism 3 is matched with the first gear set 36, the second rotating shaft, the transition gear 37, the third rotating shaft 351, the second gear set 35 and the shift fork 39, the shifting fork 39 drives the second gear set 35 to slide up on the third rotating shaft 351, so that the gear at the upper end of the second gear set 35 is meshed with the transition gear 37 on the second rotating shaft 371, or drives the second gear set 35 to slide down on the third rotating shaft 351, so that the gear at the lower end of the second gear set 35 is meshed with the gear at the lower end of the first gear set 36, thereby realizing that the motors 1 with different rotation directions are adapted to the rotation directions of the rotor 5 of the scheme, and the first sinking groove 461 and the second sinking groove 462 of the connecting seat 4 are designed symmetrically, therefore, on the basis of the scheme, the planetary gear mechanism 3 can also be in a structure, the scheme also extends the connecting shaft 7 upwards and penetrates through the connecting cover 45, so that both ends of the connecting shaft 7 can be used for being matched and connected with the coupler 6 or the gear mechanism 3, and the form of the scheme ensures that the connecting shaft 7 of the rotor 5 is used for the motors, switching adaptation can be realized only by turning over and mounting the connecting seat 4, the second connecting shell 46 connected with the connecting seat and the connecting cover 45 (namely, a pump head structure connected with the motor 1), so that the structure of the scheme can be suitable for motors 1 with different steering directions without being customized in advance; in addition, the gear mechanism 3 plays a role in reducing speed to a certain extent, and instantaneous impact caused by the direct driving of the rotor 5 by the motor 1 is effectively relieved.
The above is the embodiment of the present invention, and to the ordinary skilled in the art, according to the teaching of the present invention, the equal changes, modifications, replacements and variations of the claims should all belong to the scope of the present invention without departing from the principle and spirit of the present invention.
Claims (10)
1. The utility model provides an oil gas recovery vacuum pump, connects in the tanker aircraft and is used for providing the required negative pressure of tanker aircraft recovery oil gas, its characterized in that: it includes:
a motor;
the first connecting shell is of a cylindrical structure, and one end of the first connecting shell is fixed on the end face of the motor, which is provided with the rotating shaft;
the gear mechanism is fixed in the first connecting shell, and one end of the gear mechanism is connected with a rotating shaft of the motor;
one end of the coupling is connected with the other end of the gear mechanism;
the connecting seat is fixedly arranged at the other end of the first connecting shell, and a first sinking groove and a second sinking groove are symmetrically arranged on the end face, away from the first connecting shell, of the connecting seat;
the second connecting shell is of a cylindrical structure, one end of the second connecting shell is abutted and fixed on the connecting seat and surrounds the first sinking groove and the second sinking groove;
one end of the first joint is fixed on one side of the connecting seat and is communicated with the first sinking groove;
one end of the second joint is fixed on the other side of the connecting seat and is communicated with the second sinking groove;
the rotor is of a circular structure and is eccentrically and rotatably arranged on the end face, far away from the first connecting shell, of the connecting seat through the connecting shaft, and the upper end face of the rotor is level with the upper end face of the second connecting shell;
the connecting cover is covered on the upper end surface of the second connecting shell and seals the rotor in the second connecting shell;
the upper end face of the rotor is provided with a pair of oppositely arranged sliding grooves, the sliding grooves extend along the edge of the rotor and form an opening, the sliding grooves and the pushing plates are in one-to-one correspondence, the pushing plates are connected in the sliding grooves in a sliding mode, and the end parts, far away from the center of the rotor, of the pushing plates are of arc structures;
the lower end of the connecting shaft penetrates out of the connecting seat and is connected with the other end of the coupler, the motor drives the gear mechanism to drive the coupler to pull the rotor to rotate eccentrically, the pair of push plates are separated by centrifugal force and attached to the inner wall of the second connecting shell, and air in the first sinking groove is pushed to the second sinking groove and is output from the second connector or air in the second sinking groove is pushed to the first sinking groove and is output from the first connector.
2. An oil and gas recovery vacuum pump according to claim 1, characterized in that: the gear mechanism includes:
the connecting plate is fixed in the first connecting shell;
the first gear set comprises a pair of gears which are opposite up and down and are fixedly connected with each other, the gears are rotatably connected to the upper end surface of the connecting plate through a first rotating shaft, and the upper end of the first rotating shaft is connected with the coupler;
the second rotating shaft is rotatably connected to one side of the first gear set;
the transition gear is fixed at the upper end of the second rotating shaft and is meshed with the gear at the upper end of the first gear set;
one end of the third rotating shaft is connected with the rotating shaft of the motor, and the other end of the third rotating shaft penetrates through the upper end face of the connecting plate;
the second gear set comprises a pair of gears which are opposite up and down and are fixedly connected with each other, and the gears are connected with one end of the third rotating shaft in a sleeved mode and can slide up and down through keys;
one end of the shifting fork is a shifting end and is connected between two gears of the second gear set in a restraining manner, and the shifting fork drives the second gear set to slide upwards on the third rotating shaft, so that the gear at the upper end of the second gear set is meshed with the transition gear on the second rotating shaft, or drives the second gear set to slide downwards on the third rotating shaft, so that the gear at the lower end of the second gear set is meshed with the gear at the lower end of the first gear set;
the lower end of the guide rod penetrates through the middle part of the shifting fork and is fixed on the connecting plate;
the lower end of the screw rod is rotatably connected to the connecting plate through a connecting block, the upper end of the screw rod vertically extends upwards and is in threaded connection with the other end of the shifting fork, the shifting fork is driven to lift by the rotation of the screw rod, and a clamping groove is formed in one side of the connecting block;
one end of the clamping hook is rotatably connected to the connecting plate through a torsion spring, and the other end of the clamping hook is in constraint fit with the clamping groove in the connecting block.
3. An oil and gas recovery vacuum pump according to claim 2, characterized in that: the connecting plate on still fixed cover be equipped with the third and connect the casing, first gear train, second gear train and transition gear all not exceed the up end that the casing was connected to the third, the third is connected the casing and is connected with the coupling joint to the upper end of first pivot is worn out.
4. An oil and gas recovery vacuum pump according to claim 3, characterized in that: the third connect the casing through first connecting portion and first connect casing fixed connection, first connect the casing correspond be equipped with the third connect casing complex second connecting portion.
5. An oil and gas recovery vacuum pump according to claim 1, characterized in that: the positions of the coupler and the gear mechanism are interchanged, one end of the coupler is connected with a rotating shaft of the motor, the other end of the coupler is connected with one end of the gear mechanism, and the other end of the gear mechanism is connected with the connecting shaft;
the gear mechanism includes:
the upper end of the connecting sleeve is fixedly connected with the connecting shaft through a connecting piece, and the inner peripheral side of the connecting sleeve is provided with a ring gear structure;
the pair of supporting plates are of annular structures and are respectively fixed at the upper end and the lower end of the connecting sleeve;
the traction gears are rotatably connected between the pair of supporting plates in an annular array and are all meshed with the annular gear structures in the connecting sleeve;
one end of the traction rotating shaft is connected with the other end of the coupler, the other end of the traction rotating shaft penetrates into the connecting sleeve and is meshed and connected with the traction gears through the main driving gear, and the motor drives the coupler to pull the traction rotating shaft to drive the main driving gear to drive the traction gears to rotate, so that the traction gears pull the connecting sleeve to drive the connecting shaft to rotate.
6. An oil and gas recovery vacuum pump according to claim 5, characterized in that: the connecting shaft extend along the direction close to the connecting cover and penetrate through the connecting cover and can be used for being connected with the gear mechanism in a matching mode, the connecting shaft is correspondingly provided with a jump stopping snap spring on the position penetrating out of the connecting base and the connecting cover, and the two ends of the connecting shaft are respectively provided with a bearing and an oil seal piece.
7. An oil and gas recovery vacuum pump according to claim 1, characterized in that: it still includes:
the one-way valve is connected to the first joint and enables the first joint to form an air outlet end;
the motor drives the gear mechanism to drive the coupler to pull the rotor to eccentrically rotate, so that the pair of push plates are separated by centrifugal force and attached to the inner wall of the second connecting shell, air in the second sinking groove is pushed into the first sinking groove and output from the first connector, and meanwhile, negative pressure is formed in the second sinking groove and air is exhausted through the second connector.
8. An oil and gas recovery vacuum pump according to claim 1, characterized in that: the first sinking groove and the second sinking groove are communicated through a pressure relief valve.
9. An oil and gas recovery vacuum pump according to claim 1, characterized in that: the motor is characterized by further comprising a plurality of first connecting bolts arranged in an annular array and a plurality of second connecting bolts arranged in an annular array, wherein the first connecting bolts penetrate through the connecting seat and the first connecting shell according to the sequence, the connecting seat and the first connecting shell are fixedly connected with the motor, the second connecting bolts penetrate through the connecting cover and the second connecting shell according to the sequence, and the connecting cover and the second connecting shell are fixedly connected with the connecting seat.
10. An oiling machine is characterized in that: comprising an oil and gas recovery vacuum pump according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021856458.4U CN212407029U (en) | 2020-08-31 | 2020-08-31 | Oil gas recovery vacuum pump and oiling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021856458.4U CN212407029U (en) | 2020-08-31 | 2020-08-31 | Oil gas recovery vacuum pump and oiling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212407029U true CN212407029U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021856458.4U Expired - Fee Related CN212407029U (en) | 2020-08-31 | 2020-08-31 | Oil gas recovery vacuum pump and oiling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212407029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963438A (en) * | 2020-08-31 | 2020-11-20 | 林喜彬 | Oil gas recovery vacuum pump and oiling machine |
-
2020
- 2020-08-31 CN CN202021856458.4U patent/CN212407029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963438A (en) * | 2020-08-31 | 2020-11-20 | 林喜彬 | Oil gas recovery vacuum pump and oiling machine |
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Granted publication date: 20210126 |