CN214788036U

CN214788036U - Sand pump with oil tank connecting frame

Info

Publication number: CN214788036U
Application number: CN202120841350.6U
Authority: CN
Inventors: 凌成绩
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-19
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a take sand pump of oil tank link, including the motor and the pump body, be provided with the impeller in the pump body, the motor pass through the main shaft with the impeller is connected, wherein, can dismantle between the motor and the pump body and be provided with the link that has the oil tank, the link wear to overlap in on the main shaft, the link including connect the support body and with connect the airtight complex link lid of support body, it is used for placing the oil tank of oil to have seted up in the connection support body.

Description

Sand pump with oil tank connecting frame

Technical Field

The utility model relates to a sand pump mechanical equipment technical field, concretely relates to take sand pump of oil tank link.

Background

The sand pump is used for sand pumping operation and is a pump product which needs to be submerged to work when in work. The traditional sand pump usually adopts water as a lubricating coolant during operation, but the effect of the water as the lubricating coolant is poor. When the condition that no water is pumped futilely appears, make mechanical seal wearing and tearing accelerate easily, the condition that the mechanical seal burns out because of the high temperature appears even, finally leads to the practical life of pump to shorten. And because the most of using the sand pump are trades such as environmental protection, dig husky, river course desilting, so the operational environment of sand pump leads to the easy grit of motor, sewage seepage and damages.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a take sand pump of oil tank link.

In order to achieve the above object, the technical scheme of the utility model is that a take sand pump of oil tank link is provided, including the motor and the pump body, be provided with the impeller in the pump body, the motor pass through the main shaft with the impeller is connected, wherein, can dismantle between the motor and the pump body and be provided with the link that has the oil tank, the link wear to overlap in on the main shaft, the link including connect the support body and with connect the airtight complex link lid of support body, set up the oil tank that is used for placing the oil in the connection support body.

The further improvement is that: the connecting frame cover comprises a cover plate used for being matched with the connecting frame body in a sealing mode, and the outer side of the lower end face of the cover plate is fixedly provided with an annular connecting plate used for being connected with the pump body through a plurality of supports.

The further improvement is that: the main shaft is provided with a first mechanical seal used for preventing oil in the oil tank from leaking between the cover plate and the connecting frame body.

The further improvement is that: the cover plate is provided with a clamping boss which extends towards the oil tank along the direction of the main shaft and is used for clamping the first mechanical seal.

The further improvement is that: the annular connecting plate with the joint is equipped with the sealing device who is used for sealing between the pump body, sealing device cover is located on the main shaft.

The further improvement is that: the sealing device comprises a sealing plate and a sleeve, the sleeve is sleeved on the main shaft, the sealing plate is sleeved on the sleeve, the bottom end of the sleeve is outwards provided with a flange used for abutting against the sealing plate, and the sealing plate is provided with a clamping groove matched with the flange in a clamping manner.

The further improvement is that: the upper end face of the sleeve penetrates through the annular connecting plate through a second mechanical seal to abut against the cover plate, and the lower end face of the sleeve abuts against the upper end face of the impeller.

The further improvement is that: and an oil filling hole communicated with the oil tank and used for injecting oil is formed in the side surface of the connecting frame body.

The further improvement is that: the periphery side of the connecting frame body is provided with a plurality of reinforcing ribs for improving the strength of the connecting frame body

Take sand pump of oil tank link, have following beneficial effect:

1. the utility model discloses a link that sets up between the motor and the pump body, infiltration sewage leads to the motor to damage in effectively avoiding the use to set up the oil tank in the link, the oil in the oil tank can play cooling and lubricated effect, has slowed down mechanical seal's rate of wear, does not have under the condition that water is taken out futilely, also guarantees that mechanical seal can not burn out, has prolonged the life of pump.

2. The utility model discloses an lie in on the main shaft the apron with set up first mechanical seal between the connection support body, guaranteed the main shaft with laminating and relative slip between the link to still prevent that the oil in the oil tank from leaking.

3. The utility model discloses an along the main shaft direction on the apron to extend in the oil tank and set up and be used for the joint first mechanical seal's joint boss makes the better joint of apron first mechanical seal prevents that the oil in the oil tank from leaking, further guarantees the leakproofness of oil tank.

4. The utility model discloses an annular connecting plate with set up sealing device between the pump body, prevent that the silt that the impeller during operation was taken out from oozing, guaranteed the sealed of the pump body to through the sleeve pipe up end in sealing device pass through second mechanical seal with the apron supports the top, the terminal surface support under the sleeve pipe in the impeller up end has prevented that silt from getting into the interior contaminated oil of oil tank, has further strengthened the leakproofness of link.

5. The utility model discloses a be equipped with on connecting the support body side with the oil filler point of oil tank intercommunication for can add fast and change the oil, improved work efficiency.

6. The utility model discloses a connect the support body periphery side and be provided with a plurality of strengthening rib, guaranteed the intensity of connecting the support body, improved the life of connecting the support body.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is a schematic external structural view of the present invention;

fig. 3 is a partially enlarged view of a portion a of fig. 1.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1, the technical scheme of the utility model provides a take sand pump of oil tank link is provided, including the motor 1 and the pump body 2, be provided with impeller 3 in the pump body 2, motor 1 through main shaft 4 with impeller 3 connects, wherein, can dismantle between the motor 1 and the pump body 2 and be provided with link 5 that has the oil tank, link 5 wear set in on the main shaft 1, link 5 including connect support body 51 and with connect support body 51 airtight complex link lid 52, it is used for placing the oil tank 511 of oil to have seted up in the connection support body 51.

Referring to fig. 1 and 3, the connecting frame cover 52 includes a cover plate 521 for being hermetically fitted with the connecting frame body 51, and an annular connecting plate 523 for connecting the pump body 2 is fixedly arranged on the outer side of the lower end face of the cover plate 521 through a plurality of brackets 522;

in order to maintain the adhesion between the main shaft 4 and the connecting frame 5 and prevent oil leakage from the oil tank 511 by sliding relatively, a first mechanical seal 6 for preventing oil leakage from the oil tank is disposed on the main shaft 4 between the cover plate 521 and the connecting frame body 51.

In order to enable the cover plate 521 to be better clamped with the first mechanical seal 6 and further ensure that oil in the oil tank 511 is not easy to leak, a clamping boss 5211 which extends towards the main shaft 4 direction and is used for clamping the first mechanical seal 6 is arranged on the cover plate 521;

in order to prevent the silt that impeller 3 during operation was taken out from oozing, guarantee the leakproofness of the pump body 2, annular connecting plate 523 with the joint is used for sealing between the pump body 2 sealing device 7 of the pump body 2, sealing device 7 cover is located on the main shaft 4, sealing device 7 includes closing plate 71 and sleeve pipe 72, the sleeve pipe 72 cover is located on the main shaft 4, closing plate 71 cover is located on the sleeve pipe 72, the sleeve pipe 72 bottom outside be provided with be used for leaning on in turn-ups 721 on the closing plate 71, be equipped with on the closing plate 71 with turn-ups 721 joint complex joint recess 711.

In order to prevent silt from entering the oil tank to pollute the oil, the sealing performance of the connecting frame 5 is further enhanced, the upper end face of the sleeve 72 penetrates through the annular connecting plate 523 through the second mechanical seal 8 to abut against the cover plate 521, and the lower end face of the sleeve 72 abuts against the upper end face of the impeller 3.

In order to quickly add and replace oil, an oil filling hole 512 for filling oil is formed in the side surface of the connecting frame body 51 and is communicated with the oil tank 511.

Referring to fig. 2, a plurality of ribs 513 are disposed on the outer circumferential side of the coupling frame body 51 to improve the strength of the coupling frame body 51.

The working principle is as follows: firstly, the connecting frame body 51 is sleeved on the main shaft 4 and then connected with the motor through a bolt, the first mechanical seal 6 is sleeved on the main shaft 4 and moves to the upper end of the connecting frame body 51 to be clamped with the main shaft, and then the connecting frame cover 52 is sleeved on the main shaft 4 and is connected with the lower end face of the connecting frame body 51 through a bolt after being clamped with the first mechanical seal 6. The second mechanical seal 8 is sleeved on the main shaft 4 and then moves to abut against the lower end face of the cover plate 521 of the connecting frame cover 52, the sealing device 7 is sleeved on the main shaft 4 and then abuts against the second mechanical seal 8, the impeller 3 is sleeved on the main shaft 4 and then abuts against the lower end face of the sealing device 7, and after the pump body 2 abuts against the sealing device 7, the pump body 2 is connected with the annular connecting plate 523 of the connecting frame cover 52 through bolts. Finally, the oil is filled into the oil tank 511 through the oil filler hole 512, and then the oil filler hole 512 is sealed.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents.

Claims

1. The utility model provides a take sand pump of oil tank link, includes the motor and the pump body, be provided with the impeller in the pump body, the motor pass through the main shaft with the impeller is connected its characterized in that: the oil pump is characterized in that a connecting frame with an oil tank is detachably arranged between the motor and the pump body, the connecting frame is sleeved on the main shaft, the connecting frame comprises a connecting frame body and a connecting frame cover matched with the connecting frame body in a sealing mode, and the oil tank used for containing oil is arranged in the connecting frame body.

2. The sand pump of claim 1, wherein: the connecting frame cover comprises a cover plate used for being matched with the connecting frame body in a sealing mode, and the outer side of the lower end face of the cover plate is fixedly provided with an annular connecting plate used for being connected with the pump body through a plurality of supports.

3. The sand pump of claim 2, wherein: the main shaft is provided with a first mechanical seal used for preventing oil in the oil tank from leaking between the cover plate and the connecting frame body.

4. The sand pump of claim 3, wherein: the cover plate is provided with a clamping boss which extends towards the oil tank along the direction of the main shaft and is used for clamping the first mechanical seal.

5. The sand pump of claim 2, wherein: the annular connecting plate with the joint is equipped with the sealing device who is used for sealing between the pump body, sealing device cover is located on the main shaft.

6. The sand pump of claim 5, wherein: the sealing device comprises a sealing plate and a sleeve, the sleeve is sleeved on the main shaft, the sealing plate is sleeved on the sleeve, the bottom end of the sleeve is outwards provided with a flange used for abutting against the sealing plate, and the sealing plate is provided with a clamping groove matched with the flange in a clamping manner.

7. The sand pump of claim 6, wherein: the upper end face of the sleeve penetrates through the annular connecting plate through a second mechanical seal to abut against the cover plate, and the lower end face of the sleeve abuts against the upper end face of the impeller.

8. The sand pump of claim 1, wherein: and an oil filling hole communicated with the oil tank and used for injecting oil is formed in the side surface of the connecting frame body.

9. The sand pump of claim 1, wherein: the periphery side of the connecting frame body is provided with a plurality of reinforcing ribs for improving the strength of the connecting frame body.