CN214870289U - Auxiliary tool for maintenance of plunger pump - Google Patents

Abstract

The utility model discloses an auxiliary fixtures based on plunger pump overhauls usefulness relates to the plunger pump and overhauls the field. This auxiliary fixtures based on plunger pump overhauls usefulness includes end cover and collar, a plurality of connecting hole has been seted up in the front of end cover, equal threaded connection has interior hexagonal screw rod in the connecting hole, the front of end cover is provided with the transmission shaft, the interior round surface of collar is provided with a plurality of connecting rod, the collar passes through the connecting rod fixedly connected with lantern ring, the back of collar is provided with a plurality of electric motor, the electric motor internal rotation is connected with the pivot, the back fixedly connected with burr axle of pivot, hexagonal sliding hole has been seted up at the back of burr axle, equal sliding connection has the hexagonal post in the hexagonal sliding hole, the spring has been cup jointed in the hexagonal sliding hole equal activity. This auxiliary fixtures based on plunger pump overhauls usefulness has the function that can be convenient for dismantle a plurality of hexagon socket head cap screws from the end cover simultaneously.

Description

Auxiliary tool for maintenance of plunger pump

Technical Field

The utility model relates to a plunger pump overhauls technical field, specifically is an auxiliary fixtures based on plunger pump overhauls usefulness.

Background

The plunger pump is one of the important devices in the hydraulic system, and after long-term use, faults can often occur, so that the plunger pump needs to be repaired.

Plunger pump structure is very complicated, can install the end cover in the position at transmission shaft place and come to sealing up, consequently when overhauing the plunger pump, also often need dismantle the end cover, but the end cover generally is connected through eight hexagon socket head cap threaded rod as many as being connected with the plunger pump, in prior art, maintenance personal generally dismantles hexagon socket head cap threaded rod from the end cover one by one through hexagon socket head cap spanner, can only dismantle some hexagon socket head cap threaded rods in proper order, can not dismantle all hexagon socket head cap threaded rods on the end cover simultaneously, waste time and energy, the influence is to the maintenance of plunger pump, need improve urgently, to prior art's not enough, the utility model discloses an auxiliary fixtures based on plunger pump overhauls the usefulness to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses an auxiliary fixtures based on plunger pump overhauls usefulness to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an auxiliary tool for overhauling a plunger pump comprises an end cover and a mounting ring, wherein a plurality of connecting holes are formed in the front surface of the end cover, inner hexagonal screws are connected in the connecting holes in a threaded manner, and a transmission shaft is arranged on the front surface of the end cover;

the utility model discloses a hexagonal sliding hole, including the collar, the collar is provided with a plurality of connecting rod, the inner circular surface of collar is provided with a plurality of connecting rod, the collar passes through the connecting rod fixedly connected with lantern ring, the back of collar is provided with a plurality of electric motor, the electric motor internal rotation is connected with the pivot, the back fixedly connected with burr axle of pivot, hexagonal sliding hole has been seted up at the back of burr axle, equal sliding connection has the hexagonal post in the hexagonal sliding hole, the spring has been cup jointed in the equal activity of hexagonal sliding hole.

Preferably, the lantern ring is movably sleeved on the transmission shaft, and the axis of the lantern ring is coincident with the axis of the mounting ring.

Preferably, one end of the spring is fixedly connected with the front face of the hexagonal column, and the other end of the spring is fixedly connected with the front face of the hexagonal sliding hole.

Preferably, the two sides of the end cover are both provided with positioning grooves, and the positioning grooves are communicated with the front surface of the end cover.

Preferably, the back fixedly connected with of collar two locating levers that contact with the constant head tank, two the locating lever slides respectively and pegs graft in two constant head tanks.

The utility model discloses an auxiliary fixtures based on plunger pump overhauls usefulness, its beneficial effect who possesses as follows:

1. this auxiliary fixtures overhauls usefulness based on plunger pump is through setting up the end cover, collar and hexagonal post, overlap the lantern ring on the transmission shaft, the position of adjustment collar, make every hexagonal post offset with every interior hexagonal screw rod respectively, elasticity through rotating the downthehole spring of burr axle and hexagonal sliding, can insert every hexagonal post respectively on every interior hexagonal screw rod in the hexagonal slotted hole, start electric motor can drive interior hexagonal screw rod with hexagonal post and rotate, can pull down a plurality of interior hexagonal screw rods from the end cover fast, the device has the function that can be convenient for pull down a plurality of interior hexagonal screw rods from the end cover simultaneously.

2. This auxiliary fixtures based on plunger pump overhauls usefulness is through setting up constant head tank and locating lever, at the epaxial in-process of lantern ring cover transmission, makes two locating levers insert in two constant head tanks, can fix a position the collar through locating lever and constant head tank, and the device has the function that can go on the collar.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the end cap and the hexagonal socket head cap screw of the present invention;

fig. 3 is a schematic structural view of the mounting ring and the hexagonal column of the present invention;

fig. 4 is a full sectional view of the connection between the relief shaft and the hexagonal column of the present invention.

In the figure: 1. an end cap; 101. connecting holes; 102. a drive shaft; 103. positioning a groove; 2. an inner hexagonal screw; 3. a mounting ring; 301. a connecting rod; 302. a collar; 303. an electric motor; 304. a rotating shaft; 305. a relief shaft; 306. a hexagonal sliding hole; 307. positioning a rod; 4. a hexagonal column; 401. a spring.

Detailed Description

The embodiment of the utility model discloses auxiliary fixtures based on plunger pump overhauls usefulness, as shown in fig. 1-4, including end cover 1 and collar 3, a plurality of connecting hole 101 has been seted up in end cover 1's front, equal threaded connection has hexagon socket head cap screw 2 in the connecting hole 101, hexagon socket head cap screw 2 generally sets up to eight with the quantity of connecting hole 101, set up two connecting holes 101 respectively near four angle ends of end cover 1, hexagon socket cap screw 2 passes connecting hole 101 and fixes end cover 1 on the plunger pump, end cover 1's front is provided with transmission shaft 102, transmission shaft 102 is connected and passes end cover 1 with the inside of plunger pump.

The inner circle surface of the mounting ring 3 is provided with a plurality of connecting rods 301, the connecting rods 301 are arranged to connect with a lantern ring 302, the mounting ring 3 is fixedly connected with the lantern ring 302 through the connecting rods 301, the lantern ring 302 is movably sleeved on the transmission shaft 102, and the axis of the lantern ring 302 coincides with the axis of the mounting ring 3.

The back of the mounting ring 3 is provided with a plurality of electric motors 303, the fixed distribution positions of the electric motors 303 correspond to the positions of the connecting holes 101 formed in the end cover 1, a rotating shaft 304 is rotatably connected in the electric motors 303, the rotating shaft 304 can rotate in the electric motors 303, the electric motors 303 are conventional small electric motors, and the rotating shaft 304 can rotate when the electric motors 303 are started.

The back fixedly connected with burr axle 305 of pivot 304, the excircle surface of burr axle 305 is provided with intensive burr, conveniently controls the rotation of burr axle 305, hexagonal sliding hole 306 has been seted up to the back of burr axle 305, equal sliding connection has hexagonal post 4 in the hexagonal sliding hole 306, spring 401 has been cup jointed in the activity of hexagonal sliding hole 306, the one end of spring 401 and the positive fixed connection of hexagonal post 4, the other end of spring 401 and the positive fixed connection of hexagonal sliding hole 306.

The device is through setting up end cover 1, collar 3 and hexagonal post 4, overlap ring 302 on transmission shaft 102, adjust the position of collar 3, make every hexagonal post 4 offset with every interior hexagonal screw rod 2 respectively, elasticity through rotating burr axle 305 and hexagonal sliding hole 306 innerspring 401, can insert every hexagonal post 4 respectively in the hexagonal slotted hole on every interior hexagonal screw rod 2, start electric motor 303 can drive interior hexagonal screw rod 2 with hexagonal post 4 and rotate, can pull down a plurality of interior hexagonal screw rods 2 from end cover 1 fast, the device has the function that can be convenient for dismantle a plurality of interior hexagonal screw rods 2 from end cover 1 simultaneously.

The positioning grooves 103 are formed in the two sides of the end cover 1, and the positioning grooves 103 are communicated with the front face of the end cover 1.

The back fixedly connected with of collar 3 has two locating levers 307 that contact with constant head tank 103, and two locating levers 307 slide respectively and peg graft in two constant head tanks 103.

The device is through setting up constant head tank 103 and locating lever 307, and at the in-process of lantern ring 302 cover on transmission shaft 102, make two locating levers 307 insert in two constant head tanks 103, can fix a position collar 3 through locating lever 307 and constant head tank 103, the device has the function that can go on collar 3.

The working principle is as follows: when the device is used and a plunger pump is overhauled, the end cover 1 is usually required to be detached from the plunger pump, and the hexagon socket head cap screw 2 in the connecting hole 101 in threaded connection needs to be detached from the connecting hole 101.

Sleeving a lantern ring 302 connected with a connecting rod 301 in a mounting ring 3 on a transmission shaft 102, adjusting the position of the mounting ring 3 on the transmission shaft 102 to enable a hexagonal column 4 connected with each hexagonal sliding hole 306 to be respectively contacted with each inner hexagonal screw 2, enabling the mounting ring 3 to continuously move towards the direction close to an end cover 1, enabling the hexagonal column 4 to be directly inserted into a hexagonal groove hole on the inner hexagonal screw 2 when the hexagonal column 4 is corresponding to the hexagonal groove hole on the inner hexagonal screw 2, enabling the hexagonal column 4 to be contracted towards the inside of a convex-pattern shaft 305 due to the contact between the hexagonal column 4 and the inner hexagonal screw 2 when the hexagonal column 4 is not corresponding to the hexagonal groove hole on the inner hexagonal screw 2, enabling a spring 401 to be in a compressed state at the moment, because the convex-pattern shaft 305 can rotate along with a rotating shaft 304, a user rotates the convex-pattern shaft 305 to drive the hexagonal column 4 in the hexagonal sliding hole 306 to rotate, enabling the hexagonal column 4 to correspond to the hexagonal groove hole on the inner hexagonal screw 2, under the elastic action of the spring 401, the hexagonal columns 4 can be automatically pushed into the hexagonal groove holes of the inner hexagonal screws 2, so that each hexagonal column 4 can be respectively inserted into the hexagonal groove hole of each inner hexagonal screw 2.

Starting the electric motor 303 to rotate the rotating shaft 304 and the relief shaft 305, the hexagonal socket head 4 also drives the socket head cap screws 2 to rotate in the connecting holes 101 along with the rotation, so that the plurality of socket head cap screws 2 can be quickly detached from the end cap 1 at the same time, and the device has the function of being convenient for detaching the plurality of socket head cap screws 2 from the end cap 1 at the same time.

After lantern ring 302 overlaps on transmission shaft 102, need adjust the position of collar 3, make the position of every hexagonal post 4 corresponding with the position of every interior hexagonal screw 2 respectively, then set up constant head tank 103 in the both sides of end cover 1, the back of collar 3 sets up two locating levers 307, when overlapping lantern ring 302 on transmission shaft 102, insert every locating lever 307 respectively in every constant head tank 103, collar 3 can't rotate this moment, cooperation through locating lever 307 and constant head tank 103, can fix a position collar 3, and then can be corresponding with every interior hexagonal screw 2 respectively with every hexagonal post 4, the device has the function that can go on collar 3.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides an auxiliary fixtures based on plunger pump overhauls usefulness, includes end cover (1) and collar (3), its characterized in that: the front surface of the end cover (1) is provided with a plurality of connecting holes (101), the connecting holes (101) are internally and spirally connected with an inner hexagonal screw (2), and the front surface of the end cover (1) is provided with a transmission shaft (102);

the interior round surface of collar (3) is provided with a plurality of connecting rod (301), collar (3) are through connecting rod (301) fixedly connected with lantern ring (302), the back of collar (3) is provided with a plurality of electric motor (303), electric motor (303) internal rotation is connected with pivot (304), back fixedly connected with burr axle (305) of pivot (304), hexagonal sliding hole (306) have been seted up at the back of burr axle (305), equal sliding connection has hexagonal post (4) in hexagonal sliding hole (306), spring (401) have been cup jointed in the equal activity in hexagonal sliding hole (306).

2. The auxiliary tool for overhauling based on the plunger pump as claimed in claim 1, is characterized in that: the lantern ring (302) is movably sleeved on the transmission shaft (102), and the axis of the lantern ring (302) is coincident with the axis of the mounting ring (3).

3. The auxiliary tool for overhauling based on the plunger pump as claimed in claim 1, is characterized in that: one end of the spring (401) is fixedly connected with the front face of the hexagonal column (4), and the other end of the spring (401) is fixedly connected with the front face of the hexagonal sliding hole (306).

4. The auxiliary tool for overhauling based on the plunger pump as claimed in claim 1, is characterized in that: the positioning grooves (103) are formed in the two sides of the end cover (1), and the positioning grooves (103) are communicated with the front face of the end cover (1).

5. The auxiliary tool for overhauling based on the plunger pump as claimed in claim 4, is characterized in that: the back fixedly connected with of collar (3) two locating levers (307) that contact with constant head tank (103), two locating lever (307) slide respectively and peg graft in two constant head tanks (103).

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