CN216044362U

CN216044362U - Transmission structure of plunger connecting rod of plunger pump

Info

Publication number: CN216044362U
Application number: CN202121608067.5U
Authority: CN
Inventors: 陈川龙; 饶金; 吕军
Original assignee: Wuhan Juweitian Digital Machinery Manufacturing Co ltd
Current assignee: Wuhan Juweitian Digital Machinery Manufacturing Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-03-15
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a transmission structure of a plunger connecting rod of a plunger pump, which comprises a shell, a speed reducing mechanism, a transmission mechanism and a blocking mechanism, wherein the speed reducing mechanism is arranged below the right side of the shell, the transmission mechanism and the blocking mechanism are both arranged in the shell, the blocking mechanism is positioned above the transmission mechanism, the speed reducing mechanism comprises a fixed shell fixedly arranged on the right side of the shell, a rotary drum and a ring block positioned on the left side of the rotary drum are fixedly arranged on the inner side of the fixed shell, a driving motor is fixedly arranged on the right side of the fixed shell, the inner side of the rotary drum is rotatably connected with a shaft rod, the transmission mechanism comprises two bearing blocks, a rotary rod is fixedly arranged between the inner sides of the two bearing blocks, an installation barrel is movably arranged on the outer side of the rotary rod, and an installation block is fixedly arranged on the top of the installation barrel. The transmission structure of the plunger connecting rod of the plunger pump achieves the purpose of quantitative output, and is low in production cost and high in efficiency, so that the practicability is improved.

Description

Transmission structure of plunger connecting rod of plunger pump

Technical Field

The utility model relates to the technical field of plunger pumps, in particular to a transmission structure of a plunger connecting rod of a plunger pump.

Background

The plunger pump is an important device of a hydraulic system, changes the volume of a sealed working cavity to absorb and press oil by means of reciprocating motion of a plunger in a cylinder body, and is widely applied to occasions with high pressure, large flow and flow needing to be adjusted, such as hydraulic machines, engineering machinery and ships.

Plunger pump at present on the market is of a wide variety of types, often uses in hydraulic press equipment, but the plunger connecting rod transmission structure of most present plunger pumps is comparatively complicated, leads to manufacturing cost higher to can not carry out effectual ration output to the flow, reduced the result of use, thereby great reduction the practicality. For example, patent No. CN1322900A discloses a crank link type radial plunger pump, which can shorten the return stroke time of the plunger by the elastic restoring force and improve the efficiency of the existing plunger pump by setting the crank of the pump as an elastic spoke with a certain rigidity; but the device can not carry out effective ration output to the flow, has reduced the result of use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a transmission structure of a plunger connecting rod of a plunger pump, aiming at the technical problems in the prior art, and solving the problem of higher production cost caused by more complex transmission structure of the plunger connecting rod of the prior plunger pump.

The technical scheme for solving the technical problems is as follows: a transmission structure of a plunger connecting rod of a plunger pump comprises a shell, a speed reducing mechanism, a transmission mechanism and a blocking mechanism;

the speed reducing mechanism is arranged below the right side of the shell, the transmission mechanism and the blocking mechanism are both arranged in the shell, and the blocking mechanism is positioned above the transmission mechanism;

the speed reducing mechanism comprises a fixed shell fixedly arranged on the right side of the shell, a rotary drum and a ring block positioned on the left side of the rotary drum are fixedly arranged on the inner side of the fixed shell, a driving motor is fixedly arranged on the right side of the fixed shell, and a shaft lever is rotatably connected to the inner side of the rotary drum;

drive mechanism includes two bearing blocks, two fixed mounting has the dwang between the inboard of bearing block, the outside movable mounting of dwang has an installation section of thick bamboo, the top fixed mounting of an installation section of thick bamboo has the installation piece.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, a rack block is fixedly mounted on the inner side of the ring block, a first gear is fixedly mounted on the outer side of the shaft rod, and three second gears are meshed with the outer side of the first gear.

Furthermore, the three second gears are all meshed with the rack block, and an output shaft of the driving motor is fixedly connected with the right end of the shaft rod.

Further, the inboard movable mounting of installation piece has the push rod, the top fixed mounting of push rod has the plunger piece, the shape of dwang is the several font.

Further, a fixing plate is fixedly mounted between the left side wall and the right side wall of the shell, a limiting cylinder is fixedly mounted on the inner side of the fixing plate, and the push rod is connected to the inner side of the limiting cylinder in a sliding mode.

Further, the right-hand member fixed connection of axostylus axostyle and dwang, plunger piece sliding connection is in the casing.

Further, the blocking mechanism comprises a transverse plate fixedly installed on the inner side of the shell, and a fixed cylinder is fixedly installed at the top and the bottom of the transverse plate.

Furthermore, the inner side of the fixed cylinder is fixedly provided with two connecting rods, and a sliding cylinder is fixedly arranged between the opposite ends of the left and right corresponding connecting rods.

Further, the inboard sliding connection of slide cartridge has the slide bar, the slide bar is close to the one end fixed mounting of slide cartridge and is had the limiting plate.

Furthermore, a stop block is fixedly mounted at one end, far away from the limiting plate, of the sliding rod, and the length of the stop block is larger than that of the opening of the fixed cylinder.

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

1. this plunger pump's plunger connecting rod's transmission structure, driving motor through setting up can drive the dwang and rotate, because installation section of thick bamboo swing joint is on the dwang, so the dwang is when circular motion, installation section of thick bamboo position can be along with the dwang position changes, and then can make the plunger piece that the push rod is connected carry out reciprocating motion from top to bottom, when oil enters into the casing, plunger piece upward movement can promote oil rebound, and then make two dogs rebound simultaneously, left dog rebound can plug up left fixed cylinder, the fixed cylinder on right side is in the open mode, and then can release the oil that gets into from the oil-out, and then reached quantitative output's purpose, thereby the practicality has been improved.

2. This transmission structure of plunger connecting rod of plunger pump drives the first gear rotation in the axostylus axostyle outside through the driving motor who sets up, and first gear drives the three second gear in the outside and rotates simultaneously, has increased the input torque of axostylus axostyle and has reduced the rotational speed, and then has played good speed reduction effect for drive mechanism rotates more stably, has improved the result of use.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic structural view of the speed reducing mechanism of the present invention;

FIG. 3 is a top view of the ring block of the present invention;

FIG. 4 is a schematic structural diagram of the transmission mechanism of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a shell 1, a speed reducing mechanism 2, a transmission mechanism 3, a blocking mechanism 5, a fixed shell 21, a rotating cylinder 22, a driving motor 23, a shaft rod 24, a ring block 25, a rack block 26, a second gear 27, a first gear 28, a bearing block 31, a rotating rod 32, a mounting cylinder 33, a mounting block 34, a push rod 35, a plunger block 36, a transverse plate 51, a fixing cylinder 52, a connecting rod 53, a sliding cylinder 54, a sliding rod 55, a limiting plate 56 and a stop block 57.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1, the transmission structure of the plunger connecting rod of the plunger pump in this embodiment includes a housing 1, a speed reduction mechanism 2, a transmission mechanism 3 and a blocking mechanism 5, the speed reduction mechanism 2 is disposed below the right side of the housing 1, the transmission mechanism 3 and the blocking mechanism 5 are both disposed in the housing 1, the blocking mechanism 5 is located above the transmission mechanism 3, the speed reduction mechanism 2 is a structure for providing good stability for the transmission mechanism 3, the transmission mechanism 3 is a structure for quantitatively outputting flow, the blocking mechanism 5 is a structure for respectively blocking an oil inlet and an oil outlet, the purpose of quantitatively outputting is achieved by the cooperation of the speed reduction mechanism 2, the transmission mechanism 3 and the blocking mechanism 5, the production cost is low, the efficiency is high, and the practicability is improved.

The speed reduction mechanism 2 in the present embodiment is a structure for providing good stability to the transmission mechanism 3.

Referring to fig. 1-3, the speed reducing mechanism 2 in the present embodiment includes a fixed casing 21 fixedly installed on the right side of the housing 1, a rotating drum 22 and a ring block 25 located on the left side of the rotating drum 22 are fixedly installed on the inner side of the fixed casing 21, a driving motor 23 is fixedly installed on the right side of the fixed casing 21, a shaft rod 24 is rotatably connected to the inner side of the rotating drum 22, a rack block 26 is fixedly installed on the inner side of the ring block 25, a first gear 28 is fixedly installed on the outer side of the shaft rod 24, and three second gears 27 are engaged with the outer side of the first gear 28.

In addition, the three second gears 27 are all meshed with the rack block 26, and the output shaft of the driving motor 23 is fixedly connected with the right end of the shaft lever 24.

The transmission mechanism 3 in this embodiment is a structure for quantitatively outputting a flow rate.

Referring to fig. 1 and 4, the transmission mechanism 3 in the present embodiment includes two bearing blocks 31, a rotating rod 32 is fixedly installed between the inner sides of the two bearing blocks 31, an installation cylinder 33 is movably installed on the outer side of the rotating rod 32, an installation block 34 is fixedly installed on the top of the installation cylinder 33, a push rod 35 is movably installed on the inner side of the installation block 34, and a plunger block 36 is fixedly installed on the top end of the push rod 35.

In addition, a fixing plate is fixedly installed between the left and right side walls of the housing 1, a limiting cylinder is fixedly installed inside the fixing plate, the push rod 35 is slidably connected inside the limiting cylinder, the shaft lever 24 is fixedly connected with the right end of the rotating lever 32, and the plunger block 36 is slidably connected inside the housing 1.

Note that the rotating lever 32 in the present embodiment has a zigzag shape, and the mounting tube 33 is located at an intermediate position of the rotating lever 32.

The blocking mechanism 5 in this embodiment is a structure for blocking the oil inlet and the oil outlet, respectively.

Referring to fig. 1 and 5, the blocking mechanism 5 in the embodiment includes a transverse plate 51 fixedly installed at the inner side of the housing 1, fixed cylinders 52 are fixedly installed at the top and the bottom of the transverse plate 51, two connecting rods 53 are fixedly installed at the inner side of the fixed cylinders 52, a sliding cylinder 54 is fixedly installed between the opposite ends of the two corresponding left and right connecting rods 53, a sliding rod 55 is slidably connected to the inner side of the sliding cylinder 54, a limit plate 56 is fixedly installed at one end of the sliding rod 55 close to the sliding cylinder 54, and a stop block 57 is fixedly installed at one end of the sliding rod 55 far from the limit plate 53.

Note that the length of the stopper 57 in this embodiment is greater than the length of the nozzle of the fixed cylinder 52.

When in use, the driving motor 23 drives the first gear 28 outside the shaft lever 24 to rotate, the first gear 28 drives the three second gears 27 outside to rotate simultaneously, the rotating speed of the shaft lever 24 is reduced, at the same time, the rotating shaft lever 24 drives the rotating lever 32 to rotate, and because the installation cylinder 33 is movably connected to the rotating lever 32, therefore, when the rotating rod 32 makes a circular motion, the position of the mounting tube 33 moves up and down along with the position of the rotating rod 32, and then the plunger block 36 connected with the push rod 35 can make up and down reciprocating motion, after the oil enters the housing 1, the upward movement of the plunger block 36 pushes the oil above the plunger block 26 in the housing 1 to move upward, the two stoppers 57 can be moved upward at the same time, the stopper 57 on the left side can be moved upward to block the fixed cylinder 52 on the left side, and the fixed cylinder 52 on the right side is in an open state, so that the entered oil can be pushed out of the oil outlet from the fixed cylinder 52 on the right side.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a transmission structure of plunger connecting rod of plunger pump which characterized in that: comprises a shell (1), a speed reducing mechanism (2), a transmission mechanism (3) and a blocking mechanism (5);

the speed reducing mechanism (2) is arranged below the right side of the shell (1), the transmission mechanism (3) and the blocking mechanism (5) are both arranged in the shell (1), and the blocking mechanism (5) is positioned above the transmission mechanism (3);

the speed reducing mechanism (2) comprises a fixed shell (21) fixedly mounted on the right side of the shell (1), a rotary drum (22) and a ring block (25) positioned on the left side of the rotary drum (22) are fixedly mounted on the inner side of the fixed shell (21), a driving motor (23) is fixedly mounted on the right side of the fixed shell (21), and a shaft lever (24) is rotatably connected to the inner side of the rotary drum (22);

drive mechanism (3) include two bearing piece (31), two fixed mounting has dwang (32) between the inboard of bearing piece (31), the outside movable mounting of dwang (32) has an installation section of thick bamboo (33), the top fixed mounting of an installation section of thick bamboo (33) has installation piece (34).

2. The transmission structure of a plunger link of a plunger pump according to claim 1, characterized in that: a rack block (26) is fixedly mounted on the inner side of the ring block (25), a first gear (28) is fixedly mounted on the outer side of the shaft rod (24), and three second gears (27) are meshed on the outer side of the first gear (28).

3. The transmission structure of a plunger link of a plunger pump according to claim 2, characterized in that: the three second gears (27) are all meshed with the rack block (26), and an output shaft of the driving motor (23) is fixedly connected with the right end of the shaft rod (24).

4. The transmission structure of a plunger link of a plunger pump according to claim 1, characterized in that: the inboard movable mounting of installation piece (34) has push rod (35), the top fixed mounting of push rod (35) has plunger piece (36), the shape of dwang (32) is several fonts.

5. The transmission structure of a plunger link of a plunger pump according to claim 4, wherein: the fixed plate is fixedly installed between the left side wall and the right side wall of the shell (1), the limiting cylinder is fixedly installed on the inner side of the fixed plate, and the push rod (35) is connected to the inner side of the limiting cylinder in a sliding mode.

6. The transmission structure of a plunger link of a plunger pump according to claim 4, wherein: the shaft lever (24) is fixedly connected with the right end of the rotating lever (32), and the plunger block (36) is connected in the shell (1) in a sliding mode.

7. The transmission structure of a plunger link of a plunger pump according to claim 1, characterized in that: the blocking mechanism (5) comprises a transverse plate (51) fixedly installed on the inner side of the shell (1), and a fixed cylinder (52) is fixedly installed at the top and the bottom of the transverse plate (51).

8. The transmission structure of a plunger link of a plunger pump according to claim 7, wherein: the inner side of the fixed cylinder (52) is fixedly provided with two connecting rods (53), and a sliding cylinder (54) is fixedly arranged between the opposite ends of the two connecting rods (53) corresponding to the left and the right.

9. The transmission structure of a plunger link of a plunger pump according to claim 8, wherein: the inner side of the sliding barrel (54) is connected with a sliding rod (55) in a sliding mode, and a limiting plate (56) is fixedly mounted at one end, close to the sliding barrel (54), of the sliding rod (55).

10. The transmission structure of a plunger link of a plunger pump according to claim 9, wherein: a stop block (57) is fixedly mounted at one end, far away from the limiting plate (56), of the sliding rod (55), and the length of the stop block (57) is larger than that of the pipe orifice of the fixed barrel (52).