CN212297469U - Reciprocating pump transmission device - Google Patents
Reciprocating pump transmission device Download PDFInfo
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- CN212297469U CN212297469U CN202021566367.7U CN202021566367U CN212297469U CN 212297469 U CN212297469 U CN 212297469U CN 202021566367 U CN202021566367 U CN 202021566367U CN 212297469 U CN212297469 U CN 212297469U
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Abstract
The utility model discloses a reciprocating pump transmission, main spare part includes the organism, the axle, the drive wheel, the directive wheel, reciprocating disc, left side positioning disk, right side positioning disk, relevant spare part includes the directive wheel bearing, reciprocating disc bearing, directive wheel bearing plate, reciprocating disc bearing plate, the uide bushing, organism left sliding cylinder, organism right sliding cylinder, the parallel key, the bearing, reciprocating disc installation left side positioning disk, right side positioning disk, the uide bushing, through organism left sliding cylinder and organism right sliding cylinder restraint degree of freedom, the axle drives the drive wheel rotation, the drive wheel promotes the excircle luffing motion of directive wheel around the drive wheel, the directive wheel promotes reciprocating disc along the axial lead motion of the left sliding cylinder of organism and right sliding cylinder, the drive wheel is rotatory a week, the swing direction of directive wheel changes twice, whole device is along with the continuous rotation of drive wheel, accomplish reciprocating motion.
Description
Technical Field
The utility model relates to a mechanical device especially relates to a reciprocating pump reciprocating motion's transmission.
Background
The reciprocating pump converts the rotary motion of a prime mover into the reciprocating motion of a piston through a transmission end, and a mechanical device for realizing the conversion is usually completed by a crank-connecting rod mechanism or a protruding shaft mechanism, the transmission device mainly comprises a machine body, a crankshaft, a connecting rod, a crosshead body, a crosshead pin, a small-end bushing, a large-end bearing bush and other parts, the structure is complex, the number of moving parts is large, the number of kinematic pairs is large, each kinematic pair at the transmission end needs to be lubricated and reliable, auxiliary equipment such as lubrication and cooling needs to be added when necessary, and the production and maintenance costs are high; in addition, for the traditional crank or protruding shaft mechanism, the requirement for processing the crank shaft is high, the production difficulty is high, and in practical production application, the situation of shaft breakage caused by stress concentration of the crank shaft often occurs.
Disclosure of Invention
The reciprocating pump converts the rotary motion of a prime mover into the reciprocating motion of a piston through a transmission end, and a mechanical device for realizing the conversion is usually completed by a crank-connecting rod mechanism or a protruding shaft mechanism, the transmission device mainly comprises a machine body, a crankshaft, a connecting rod, a crosshead body, a crosshead pin, a small-end bushing, a large-end bearing bush and other parts, the structure is complex, the number of moving parts is large, the number of kinematic pairs is large, each kinematic pair at the transmission end needs to be lubricated and reliable, auxiliary equipment such as lubrication and cooling needs to be added when necessary, and the production and maintenance costs are high; in addition, for the traditional crank or protruding shaft mechanism, the requirement on the processing of the crank shaft is high, the production difficulty is high, and in practical production application, the situation of shaft breakage caused by stress concentration of the crank shaft often occurs.
The utility model aims at providing a transmission of reciprocating pump solves the technical problem among the above-mentioned background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a reciprocating pump transmission, main spare part includes organism, axle, drive wheel, reverse wheel, reciprocating disc, left positioning disk, right positioning disk, and relevant spare part includes reverse wheel bearing, reciprocating disc bearing, reverse wheel bearing plate, reciprocating disc bearing plate, uide bushing, organism left sliding cylinder, organism right sliding cylinder, parallel key, bearing, its characterized in that: the two ends of the reciprocating disc are respectively provided with the left guide disc, the right guide disc and the guide sleeve, the degree of freedom is limited by the left sliding cylinder of the machine body and the right sliding cylinder of the machine body, the shaft drives the driving wheel to rotate, the driving wheel pushes the reversing wheel to swing up and down around the excircle of the driving wheel, the reversing wheel pushes the reciprocating disc to move along the axial lead of the left sliding cylinder and the right sliding cylinder of the machine body, the driving wheel rotates for a circle, the swinging direction of the reversing wheel is changed twice, and the whole device realizes reciprocating motion along with the rotation of the shaft and the driving wheel.
Preferably, the driving wheel has a shaft hole with a key slot, the shaft hole has a certain eccentricity with the center of the outer circle of the driving wheel, the shaft passes through the shaft hole of the driving wheel and is connected by a flat key, and the shaft and the bearing for fixing the supporting shaft are mounted on the machine body.
Preferably, the reversing wheel is provided with a hole, the hole has a certain eccentric distance with the center of the excircle of the reversing wheel, a reversing wheel bearing is arranged in the hole, and a roller pin of the reversing wheel bearing is in contact with the excircle of the driving wheel and can move relatively.
Preferably, a hole is processed in the center of the reciprocating disc, a reciprocating disc bearing is installed in the hole, and a roller pin of the reciprocating disc bearing is in contact with the excircle of the reversing wheel and can move relatively.
Preferably, the left guide disc and the right guide disc are respectively installed and fixed at two ends of the reciprocating disc, an annular groove is machined in the outer circle of the guide disc, and the guide sleeve is installed in the annular groove.
Preferably, the machine body left sliding cylinder and the machine body right sliding cylinder are respectively arranged on the left side and the right side of the machine body and are coaxial, and the excircle of the guide sleeve is in contact with the surfaces of the inner holes of the machine body left sliding cylinder and the machine body right sliding cylinder and can slide left and right.
Preferably, the reciprocating disc bearing pressing plates are installed at two ends of the reciprocating disc bearing to fix the reciprocating disc bearing and limit the reversing wheel in a restraining manner.
Preferably, the bearing plates of the reversing wheel are arranged at two ends of the reversing wheel bearing, the reversing wheel bearing is fixed, and the driving wheel is restrained and limited.
Preferably, a rib plate is reserved on the end face of the reversing wheel, and lubricating oil can be driven to splash when the reversing wheel swings up and down so as to fully lubricate the bearing of the reversing wheel and the bearing of the reciprocating disc.
Preferably, the reversing wheel bearing and the reciprocating disc bearing are needle roller bearings without inner rings, and can also be replaced by sliding bearing bushes or rollers.
The utility model has the advantages that:
the utility model discloses reciprocating pump's transmission has replaced traditional bent axle connecting rod structure with drive wheel, reverse wheel, the three essential element of reciprocating disc, and its theory of operation is equal to bent axle link mechanism, and its essential element is wheel disk structure, and axial length is shorter, and the structure is succinct, and processing is simple, low in production cost.
The transmission device of the reciprocating pump adopts the straight shaft, thereby avoiding the stress concentration problem of the crankshaft; in addition, the reciprocating part is short in axial length, and key grooves with corresponding number are machined on the shaft at equal intervals and equal angles, so that the multi-pump reciprocating part can be applied to the multi-pump.
The utility model discloses reciprocating pump's transmission need not additionally increase auxiliary assembly such as lubricated cooling, leans on the directive wheel luffing motion just can drive sufficient lubricating oil and carries out abundant lubrication to the motion pair.
The utility model discloses reciprocating pump's transmission, reciprocating disc both ends all can carry out power take off, are particularly useful for double-acting pump, are different from bent axle connecting rod structure, and every increases an output, just must increase one set of link mechanism, compares with it, and the volume is littleer, and power take off is more reliable.
Drawings
FIG. 1 is a front sectional view of the present invention
FIG. 2 is a top view of the present invention
FIG. 3 is a left side sectional view of the present invention
FIG. 4 is a front sectional view of the double acting pump of the present invention
Part names corresponding to respective numbers in the drawing: 1. a machine body, 2. a shaft; 3. a drive wheel; 4. a reversing wheel; 5. a reciprocating disc; 6. a left guide plate; 7. a right guide plate; 8. a reverse wheel bearing; 9. a reciprocating disc bearing; 10. a bearing plate of the reversing wheel shaft; 11. a reciprocating disc bearing pressure plate; 12. a guide sleeve; 13. a left sliding cylinder of the machine body; 14. a right sliding cylinder of the machine body; 15. a flat bond; 16. bearing assembly
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
The utility model discloses reciprocating pump transmission, as shown in fig. 1-4, main spare part includes organism 1, axle 2, drive wheel 3, reverse wheel 4, reciprocating disc 5, left positioning disk 6, right positioning disk 7, and relevant spare part includes reverse wheel bearing 8, reciprocating disc bearing 9, reverse wheel bearing clamp plate 10, reciprocating disc bearing clamp plate 11, uide bushing 12, organism left sliding cylinder 13, organism right sliding cylinder 14, parallel key 15, bearing 16.
The driving wheel 3 is provided with a shaft hole and is processed with a key slot, the shaft hole has a certain eccentric distance with the excircle center of the driving wheel 3, the shaft 2 passes through the shaft hole of the driving wheel, the driving wheel 3 is connected on the shaft 2 by a flat key 15, and the shaft 2 is fixedly arranged on the machine body 1 by a bearing 16 and other related parts to form a driving part.
A hole is processed on the reversing wheel 4, a certain eccentric distance is reserved between the hole and the excircle center of the reversing wheel 4, a reversing wheel bearing 8 is installed in the hole, a roller pin of the reversing wheel bearing 8 is in contact with the excircle of the driving wheel 3 and can move relatively, the two ends of the reversing wheel bearing 8 are fixed through a reversing wheel bearing plate 10, the inner side ring surface of the reversing wheel bearing plate 10 simultaneously axially limits the driving wheel 3, a certain gap is reserved between the two parts, the two parts are only limited but not in contact, and the reversing wheel 4, the reversing wheel bearing 8, the reversing wheel bearing plate 10 and a fastening piece of the reversing wheel bearing plate are combined to form a first driven part.
A round hole is processed in the center of the reciprocating disc 5, a reciprocating disc bearing 9 is installed in the round hole, a roller pin of the reciprocating disc bearing 9 is in contact with the outer circle of the reversing wheel 4 and can move relatively, the reciprocating disc bearing 9 is fixed at two ends through a reciprocating disc bearing pressing plate 11, the inner side ring surface of the reciprocating disc bearing pressing plate 11 simultaneously carries out axial limiting on the reversing wheel 4, a certain gap is formed between the two, and the two are only limited but not in contact.
The excircle of left side guiding disk 6 and right guiding disk 7 processes the ring channel, and two install respectively in the ring channel about uide bushing 12, and the uide bushing adopts wear-resisting material, and flexible opening is convenient for install, and left side guiding disk 6 and right guiding disk 7 are fixed mounting respectively at the both ends about reciprocating disk 5 with the screw.
In the above, the reciprocating disc 5, the left guide disc 6, the right guide disc 7, the reciprocating disc bearing 9, the reciprocating disc bearing pressure plate 11, the guide sleeve 12 and the fastening piece thereof are combined to form a second driven part.
The machine body 1 is provided with a left hole and a right hole which are coaxial, the left sliding cylinder 13 and the right sliding cylinder 14 of the machine body are respectively arranged in the left hole and the right hole of the machine body and are fixedly locked, and the excircles of the left guide sleeve 12 and the right guide sleeve 12 of the second driven part are in contact with the left sliding cylinder and the right sliding cylinder of the machine body and can slide left and right.
The machine body 1, the machine body left sliding cylinder 13, the machine body right sliding cylinder 14 and related parts form a frame, and the freedom degree of the second driven part is restrained to enable the second driven part to do reciprocating linear motion along the common axial lead of the machine body left sliding cylinder 13 and the machine body right sliding cylinder 14.
The second driven part is used as a driven part, and simultaneously, the first driven part is restrained by the degree of freedom, so that the first driven part can only do rotary motion along the axis of the central circular hole of the reciprocating disc 5, the rotary motion of the first driven part is simultaneously restrained by the eccentric distance of the driving wheel 3 and the eccentric distance of the reversing wheel 4, the first driven part can only do up-and-down swing, the driving wheel 3 rotates for a circle, the swing direction of the reversing wheel 4 is changed twice, and the whole device can continuously rotate along with the driving part, so that the reciprocating motion is realized.
The utility model discloses reciprocating pump transmission, as shown in fig. 1, leave reverse wheel gusset 4.1 on the terminal surface of reverse wheel 4, can drive the lubricating oil of 1 intracavity of organism and splash when 4 luffing motion of reverse wheel, can carry out abundant lubrication to reverse wheel bearing 8 and reciprocating disc bearing 9, need not additionally increase auxiliary assembly such as lubricated cooling, reduced production and maintenance cost.
The utility model discloses reciprocating pump transmission, as shown in fig. 2~3, the keyway of the corresponding quantity of angular processing such as equidistance on axle 2 just can be applicable to and ally oneself with the pump more, as long as axle 2's intensity is enough, can dispose arbitrary jar number, and the degree of difficulty of the processing of unnecessary consideration axle.
The utility model discloses reciprocating pump transmission, as shown in FIG. 4, power take off can all be carried out at 9 both ends of reciprocating disc, is particularly useful for double acting pump, is different from crankshaft connecting rod structure, and every increases an output, just must increase one set of link mechanism, compares with it, and the volume is littleer, and power take off is more reliable.
The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments disclosed herein. Any equivalent changes and modifications made according to the technical essence of the present invention should be considered as belonging to the protection scope of the present invention, all without departing from the contents of the technical solution of the present invention.
Claims (8)
1. The utility model provides a reciprocating pump transmission, main spare part includes organism, axle, drive wheel, reverse wheel, reciprocating disc, left positioning disk, right positioning disk, and relevant spare part includes reversing wheel bearing, reciprocating disc bearing, reverse wheel bearing plate, reciprocating disc bearing clamp plate, uide bushing, left sliding cylinder, right sliding cylinder, parallel key, bearing, its characterized in that: the reciprocating disc is provided with a left guide disc, a right guide disc and a guide sleeve, the freedom degree is restricted by a left sliding cylinder of the machine body and a right sliding cylinder of the machine body, the shaft drives the driving wheel to rotate, the driving wheel pushes the reversing wheel to swing up and down around the excircle of the driving wheel, the reversing wheel pushes the reciprocating disc to move along the axial lead of the left sliding cylinder and the right sliding cylinder fixed on the machine body, the driving wheel rotates for a circle, the swinging direction of the reversing wheel is changed twice, and the whole device completes reciprocating motion along with the continuous rotation of the driving wheel.
2. A reciprocating pump transmission as defined in claim 1, wherein: the driving wheel has a shaft hole, the shaft hole is opened with a key slot, the shaft hole has a certain eccentric distance with the excircle center of the driving wheel, the shaft passes through the shaft hole of the driving wheel and transmits torque by a flat key, and the shaft and the bearing for fixing the supporting shaft and other related parts are arranged on the machine body.
3. A reciprocating pump transmission as defined in claim 1, wherein: the reversing wheel is provided with a hole, the hole has a certain eccentric distance with the center of the excircle of the reversing wheel, a reversing wheel bearing is arranged in the hole, and a roller pin of the reversing wheel bearing is in contact with the excircle of the driving wheel and can move relatively.
4. A reciprocating pump transmission as defined in claim 1, wherein: a hole is processed in the center of the reciprocating disc, a reciprocating disc bearing is installed in the hole, and a roller pin of the reciprocating disc bearing is in contact with the outer circle of the reversing wheel and can move relatively.
5. A reciprocating pump transmission as defined in claim 1, wherein: the left guide disc and the right guide disc are fixedly arranged at two ends of the reciprocating disc, the two ends of the reciprocating disc are respectively provided with one guide disc, the outer circles of the left guide disc and the right guide disc are processed into annular grooves, and the guide sleeves are arranged in the annular grooves.
6. A reciprocating pump transmission as defined in claim 1, wherein: the machine body left sliding cylinder and the machine body right sliding cylinder are respectively arranged on the left side and the right side of the machine body and are coaxial, and the excircle of the guide sleeve of the left guide disc and the excircle of the guide sleeve of the right guide disc are respectively contacted with the surfaces of inner holes of the machine body left sliding cylinder and the machine body right sliding cylinder and can slide left and right.
7. A reciprocating pump transmission as defined in claim 1, wherein: the reciprocating disc bearing pressing plates are installed at two ends of the reciprocating disc bearing, fix the reciprocating disc bearing and limit and restrain the reversing wheel.
8. A reciprocating pump transmission as defined in claim 1, wherein: the bearing plates of the reversing wheel are arranged at two ends of the reversing wheel bearing, the reversing wheel bearing is fixed, and meanwhile, the driving wheel is limited and restrained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021566367.7U CN212297469U (en) | 2020-08-01 | 2020-08-01 | Reciprocating pump transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021566367.7U CN212297469U (en) | 2020-08-01 | 2020-08-01 | Reciprocating pump transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212297469U true CN212297469U (en) | 2021-01-05 |
Family
ID=73937429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021566367.7U Active CN212297469U (en) | 2020-08-01 | 2020-08-01 | Reciprocating pump transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212297469U (en) |
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2020
- 2020-08-01 CN CN202021566367.7U patent/CN212297469U/en active Active
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