CN211039011U

CN211039011U - Plunger reciprocating pump with cylinder sleeve pressing mechanism

Info

Publication number: CN211039011U
Application number: CN201922022518.6U
Authority: CN
Inventors: 常宇博
Original assignee: Henan University of Technology
Current assignee: Henan University of Technology
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-17
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a plunger reciprocating pump with cylinder liner hold-down mechanism, including the discharge hydraulic cylinder, one side of discharge hydraulic cylinder is fixed with two fixed plates, and common rotation has cup jointed positive and negative tooth screw rod on two fixed plates, two risers have been cup jointed to the both ends screw thread of positive and negative tooth screw rod, and common cover is equipped with the horizontal pole on two risers, the both ends of horizontal pole are fixed respectively in relative one side of two fixed plates, are equipped with adaptation mechanism on two risers jointly, be equipped with the layer board in the adaptation mechanism, the upper end of layer board is contradicted and is had the cylinder liner, one side and the discharge hydraulic cylinder of cylinder liner are inconsistent, the both sides of cylinder liner all are equipped with the opening. The utility model discloses can the fixed cylinder liner of quick chucking to can avoid the problem through manpower location cylinder liner, can effectively reduce staff's intensity of labour, and then help promoting work efficiency, and convenient quick bolt-up through fixed, the quality of assurance connection that can be fine.

Description

Plunger reciprocating pump with cylinder sleeve pressing mechanism

Technical Field

The utility model relates to a plunger reciprocating pump equipment technical field especially relates to a plunger reciprocating pump with cylinder liner hold-down mechanism.

Background

The reciprocating pump is mainly characterized in that: 1. high efficiency and wide high efficiency area. 2. Very high pressures can be achieved and pressure changes hardly affect the flow, thus providing a constant flow. 3. It has self-sucking capacity, and can be used for conveying liquid and gas mixture, and specially designed for conveying slurry and concrete, etc. 4. There are large pulsations in flow and pressure, especially in single-acting pumps, which are larger due to the acceleration of piston motion and the intermittency of liquid discharge. It is generally necessary to provide an air chamber in the discharge line (and sometimes also in the suction line) to make the flow rate relatively uniform. The use of double action pumps and multiple cylinder pumps also significantly improves flow non-uniformity. 5. Low speed, large size, complex structure compared with a centrifugal pump, need of a special pump valve, and high manufacturing cost and installation cost. The piston pump is mainly used for water supply, and the manual piston pump is a family life water pump with wide application. The plunger pump is used for providing high-pressure liquid source, such as high-pressure water supply of a hydraulic press, and the plunger pump and the piston pump can be used as a drilling mud pump and an oil well pump of an oil field. The diaphragm pump is particularly suitable for transporting highly toxic, radioactive, corrosive liquids, valuable liquids and liquids containing abrasive solids. The diaphragm pump and the plunger pump can also be used as metering pumps.

Under the general condition, the cylinder liner generally all is fixed on the pump body through equipment such as bolts direct spiral shell tightly, seals up using parts such as sealing washer, but generally through the manual positioning cylinder liner when the spiral shell is tight, and the cylinder liner is heavier, is unfavorable for staff's transport location, has increased staff's intensity of labour, is unfavorable for promoting work efficiency, and for this, we have proposed a plunger reciprocating pump with cylinder liner hold-down mechanism and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plunger reciprocating pump with a cylinder sleeve pressing mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a plunger reciprocating pump with cylinder liner hold-down mechanism, includes the discharge liquid jar, one side of discharge liquid jar is fixed with two fixed plates, rotates jointly on two fixed plates and has cup jointed positive and negative tooth screw rod, the both ends screw thread of positive and negative tooth screw rod has cup jointed two risers, and the common cover is equipped with the horizontal pole on two risers, the relative one side at two fixed plates is fixed respectively at the both ends of horizontal pole, is equipped with adaptation mechanism jointly on two risers, be equipped with the layer board in the adaptation mechanism, the cylinder liner has been contradicted to the upper end of layer board, one side and the discharge liquid jar of cylinder liner are inconsistent, the both sides of cylinder liner all are equipped with the opening, and the relative one side of two risers all is equipped with the fixture block, and two fixture blocks are located two openings respectively, the connection can.

Preferably, the adaptation mechanism includes that two rotate the push rod of connection in the relative one side of two risers respectively, the upper end of push rod is run through and is equipped with the sleeve pipe, and two sheathed tube upper ends rotate respectively and connect in the lower extreme both sides of layer board, and the upper end of two push rods is overlapped respectively and is equipped with the spring, and two springs are located two cover intraductals respectively, the one end of spring is fixed on the one end lateral wall in the sleeve pipe, the upper end at the push rod is fixed to the other end of spring.

Preferably, a cylinder sleeve flange is sleeved on the cylinder sleeve, four bolts penetrate through the cylinder sleeve flange, three threaded sleeves are fixed on one side of the discharge hydraulic cylinder, one end of one bolt is screwed into one of the threaded sleeves, a through hole is formed in the fixture block, one ends of two bolts penetrate through the two through holes respectively and are screwed into the other two threaded sleeves, a threaded through hole is formed in the support plate, and one end of the other bolt is screwed into the threaded through hole.

Preferably, the inserted bar is equipped with to the cover in the screw through-hole, one side of discharge hydraulic cylinder is equidistant to be equipped with a plurality of jacks that correspond with the inserted bar, the one end of inserted bar extends to in the jack and contradicts on the one end lateral wall in the jack, the other end and another bolt of inserted bar are inconsistent.

Preferably, the fixture block and the vertical plate are integrally formed.

Preferably, the three threaded sleeves are each fixed to the discharge cylinder by welding.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the supporting plate, the clamping block, the positive and negative tooth screw rods, the adaptive mechanism and other parts are matched, so that the cylinder sleeve can be clamped and fixed quickly, the labor intensity of workers can be reduced, the workers can be pressed and fixed quickly through bolts, and the working efficiency can be improved;

2. through the matching of the components such as the bolt, the threaded sleeve, the inserted rod and the like, the cylinder sleeve and the discharge hydraulic cylinder are convenient to connect and fix, the cylinder sleeve can firmly abut against and extrude the discharge hydraulic cylinder, the connection quality is improved, the structure is simple, and the operation of workers is convenient;

to sum up, the utility model discloses can the fixed cylinder liner of quick chucking to can avoid the problem through manpower location cylinder liner, can effectively reduce staff's intensity of labour, and then help promoting work efficiency, and convenient quick bolt fastening through, the quality of assurance connection that can be fine.

Drawings

Fig. 1 is a front view of a plunger reciprocating pump with a cylinder sleeve pressing mechanism provided by the present invention;

FIG. 2 is an enlarged view of the plunger reciprocating pump with a cylinder sleeve pressing mechanism at the position A; FIG. 3 is an enlarged view of the plunger reciprocating pump with a cylinder sleeve pressing mechanism at the position B; fig. 4 is a schematic diagram of a cylinder sleeve structure of a plunger reciprocating pump with a cylinder sleeve pressing mechanism provided by the utility model; fig. 5 is a schematic view of the internal structure of a sleeve of a plunger reciprocating pump with a cylinder sleeve pressing mechanism according to the present invention;

in the figure: the device comprises a discharge hydraulic cylinder 1, a cylinder sleeve 2, a cylinder sleeve 3, a cylinder sleeve flange 4, a bolt 5, a threaded sleeve 5, a push rod 6, a supporting plate 7, an inserted rod 8, a jack 9, a sleeve 10, a cross rod 11, a fixing plate 12, a vertical plate 13, a screw rod 14 with positive and negative teeth, a through hole 15, a notch 16, a clamping block 17 and a spring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a plunger reciprocating pump with cylinder liner hold-down mechanism, including discharge hydraulic cylinder 1, one side of discharge hydraulic cylinder 1 is fixed with two fixed plates 12, rotate jointly on two fixed plates 12 and cup jointed positive and negative tooth screw rod 14, two riser 13 have been cup jointed to positive and negative tooth screw rod 14's both ends screw thread, when rotating positive and negative tooth screw rod 14, can make two riser 13 direction movements, can adjust the moving direction of riser 13 as required, be convenient for support cylinder liner 2, or convenient dismantlement. The utility model discloses in, common cover is equipped with horizontal pole 11 on two risers 13, the relative one side at two fixed plates 12 is fixed respectively at the both ends of horizontal pole 11, the stationarity that two risers 13 of assurance that horizontal pole 11 can be fine removed, be equipped with adaptation mechanism on two risers 13 jointly, be equipped with layer board 7 in the adaptation mechanism, adaptation mechanism can promote cylinder liner 2 through layer board 7, it has cylinder liner 2 to contradict in the upper end of layer board 7, thereby make things convenient for the slew velocity of cylinder liner 2 and riser 13's translation rate corresponding, enable in the accurate chucking opening 16 of fixture block 17, can provide stable support to cylinder liner 2. The utility model discloses in, one side and the discharge hydraulic cylinder 1 of cylinder liner 2 are inconsistent, the both sides of cylinder liner 2 all are equipped with opening 16, two relative one sides of riser 13 all are equipped with fixture block 17, fixture block 17 and riser 13 integrated into one piece, two fixture blocks 17 are located two openings 16 respectively, cylinder liner 2 can be dismantled and connect on discharge hydraulic cylinder 1, the fixture block blocks in opening 16 is gone into to the card under riser 13's effect, form the holding power with layer board 7 jointly, can effectively reduce staff's intensity of labour, and conveniently spiral shell closes, enable cylinder liner 2 and the firm conflict of discharge hydraulic cylinder 1. The utility model discloses in, adaptation mechanism includes that two rotate respectively and connect the push rod 6 in the relative one side of two risers 13, the upper end of push rod 6 is run through and is equipped with sleeve pipe 10, the lower extreme both sides of connection at layer board 7 are rotated respectively to the upper end of two sleeve pipes 10, the cover is equipped with spring 18 respectively to the upper end of two push rod 6, two spring 18 are located two sleeve pipes 10 respectively, the one end of spring 18 is fixed on the one end lateral wall in sleeve pipe 10, the upper end at push rod 6 is fixed to the other end of spring 18, riser 13 promotes push rod 6, spring 18 extends this moment, when the lateral wall in the sleeve pipe 10 of contradicting of push rod 6, layer board 7 rises, enable cylinder liner 2 to rise, thereby be convenient for make two openings 16 on cylinder liner 2 correspond with two fixture blocks 17 of the relative one side of two risers 13, be convenient for in fixture. The utility model discloses in, the cover is equipped with cylinder liner flange 3 on the cylinder liner 2, runs through on the cylinder liner flange 3 and is equipped with four bolts 4, and one side of discharge hydraulic cylinder 1 is fixed with three threaded sleeve 5, and three threaded sleeve 5 all promotes the firm degree of connection on discharge hydraulic cylinder 1 through welded fastening. The utility model discloses in, the one end spiral shell of one of them bolt 4 closes in one of them threaded sleeve 5, can stably connect, be equipped with through-hole 15 on the fixture block 17, wherein two through-holes 15 are run through respectively to the one end of two bolts 4 and spiral shell closes in two other threaded sleeve 5, can drive 3 extrusion cylinder liners 2 of cylinder liner flange through rotating these three bolt 4, make its and 1 inseparable contradiction of discharge liquid jar, be equipped with the screw thread through-hole on the layer board 7, the one end spiral shell of another bolt 4 closes in advancing the screw thread through-hole, be convenient for connect, help the position of fixed layer board 7, thereby can be fine support cylinder liner 2. The utility model discloses in, the screw through hole endotheca is equipped with inserted bar 8, one side equidistant of discharge hydraulic cylinder 1 is equipped with a plurality of jacks 9 that correspond with inserted bar 8, the one end of inserted bar 8 extends to in the jack 9 and contradicts on the one end lateral wall in jack 9, the other end of inserted bar 8 and another bolt 4 are inconsistent, when the screw through hole on another bolt 4 spiral shell advances layer board 7, inserted bar 8 can contradict, thereby promote the motion of inserted bar 8, inserted bar 8 injects in the jack 9 that corresponds, the position of fixed layer board 7 that can be fine, and then can carry out fine support to cylinder liner 2, guarantee holistic stability.

In the utility model, when in use, one end of the cylinder sleeve 2 is placed on the supporting plate 7, the positive and negative screw rods 14 are rotated, the two vertical plates 13 move relatively, the cross rod 11 can well ensure the stable movement of the two vertical plates 13, the vertical plates 13 push the push rod 6, at the moment, the spring 18 extends, when the push rod 6 is abutted against the side wall in the sleeve 10, the supporting plate 7 rises to enable the cylinder sleeve 2 to rise, thereby facilitating the two openings 16 on the cylinder sleeve 2 to correspond to the two clamping blocks 17 on the opposite sides of the two vertical plates 13, facilitating the clamping blocks 17 to clamp the openings 16 to form supporting force for the cylinder sleeve 2, enabling the four bolts 4 to penetrate through the cylinder sleeve flange 3, penetrating the cylinder sleeve flange 3 through the cylinder sleeve 2, adjusting the four bolts 4 to proper positions, facilitating the corresponding to the through holes 15, the thread through holes and the thread sleeve 5, facilitating the screwing, enabling the cylinder sleeve flange 3 to push the cylinder sleeve 2 to, the inserted bar 8 is pushed by another bolt 4 to be inserted into the inserting hole 9, and the supporting force to the cylinder sleeve 2 can be well guaranteed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a plunger reciprocating pump with cylinder liner hold-down mechanism, includes discharge hydraulic cylinder (1), its characterized in that: two fixing plates (12) are fixed on one side of the discharge hydraulic cylinder (1), positive and negative screw rods (14) are sleeved on the two fixing plates (12) in a rotating mode, two vertical plates (13) are sleeved on two ends of each positive and negative screw rod (14) in a threaded mode, a cross rod (11) is sleeved on the two vertical plates (13) in a rotating mode, two ends of each cross rod (11) are fixed on one side, opposite to the two fixing plates (12), of each vertical plate (13), an adapting mechanism is arranged on each adapting mechanism, a supporting plate (7) is arranged on each adapting mechanism, a cylinder sleeve (2) is abutted to the upper end of each supporting plate (7), one side of each cylinder sleeve (2) is abutted to the discharge hydraulic cylinder (1), notches (16) are arranged on two sides of the cylinder sleeve (2) of each cylinder sleeve (2), clamping blocks (17) are arranged on one side, opposite to the two vertical plates (13), and the two clamping, the cylinder sleeve (2) is detachably connected to the liquid discharge cylinder (1).

2. The plunger reciprocating pump with the cylinder liner pressing mechanism as claimed in claim 1, wherein: adaptation mechanism includes that two rotate push rod (6) of connection in the relative one side of two riser (13) respectively, the upper end of push rod (6) runs through and is equipped with sleeve pipe (10), and the upper end of two sleeve pipes (10) rotates respectively and connects the lower extreme both sides in layer board (7), and the upper end of two push rod (6) is overlapped respectively and is equipped with spring (18), and two spring (18) are located two sleeve pipes (10) respectively, the one end of spring (18) is fixed on the one end lateral wall in sleeve pipe (10), the upper end at push rod (6) is fixed to the other end of spring (18).

3. The plunger reciprocating pump with the cylinder liner pressing mechanism as claimed in claim 1, wherein: the hydraulic cylinder is characterized in that a cylinder sleeve flange (3) is sleeved on the cylinder sleeve (2), four bolts (4) penetrate through the cylinder sleeve flange (3), three threaded sleeves (5) are fixed on one side of the discharged hydraulic cylinder (1), one end of one bolt (4) is screwed into one of the threaded sleeves (5), through holes (15) are formed in the fixture block (17), one ends of two bolts (4) penetrate through the two through holes (15) respectively and are screwed into the other two threaded sleeves (5), a threaded through hole is formed in the supporting plate (7), and one end of the other bolt (4) is screwed into the threaded through hole.

4. The plunger reciprocating pump with the cylinder liner pressing mechanism as claimed in claim 3, wherein: the utility model discloses a hydraulic cylinder, including screw thread through-hole endotheca, be equipped with inserted bar (8), one side equidistant of discharge hydraulic cylinder (1) is equipped with a plurality of jacks (9) that correspond with inserted bar (8), the one end of inserted bar (8) extends to in jack (9) and contradicts on the one end lateral wall in jack (9), the other end and another bolt (4) of inserted bar (8) are inconsistent.

5. The plunger reciprocating pump with the cylinder liner pressing mechanism as claimed in claim 1, wherein: the clamping block (17) and the vertical plate (13) are integrally formed.

6. The plunger reciprocating pump with the cylinder liner pressing mechanism as claimed in claim 3, wherein: the three threaded sleeves (5) are fixed on the discharge hydraulic cylinder (1) through welding.