CN213144730U

CN213144730U - Explosion-proof high temperature resistant gear pump

Info

Publication number: CN213144730U
Application number: CN202021837517.3U
Authority: CN
Inventors: 付维政; 田立娜
Original assignee: Tianjin Run Jin Oilfield Technology Service Co ltd
Current assignee: Tianjin Run Jin Oilfield Technology Service Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-05-07
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses an explosion-proof high temperature resistant gear pump, including the device main part, gear groove and infusion groove have been seted up to the inside of device main part, the inside in gear groove just is close to the top and rotates through the bearing and be connected with first pivot, the external fixed surface of first pivot is connected with driven gear, the inside of device main part just is close to the top and has seted up a plurality of through-holes with the bottom, the external fixed surface of device main part has the strengthening rib, the outside of device main part is provided with protecting sheathing, device main part fixed connection is at protecting sheathing's interior bottom, protecting sheathing's internal surface just is located a plurality of telescopic links of fixedly connected with around the device main part, and the telescopic link keeps away from protecting sheathing's one end fixedly connected with. The utility model discloses, the effect of explosion-proof, high temperature resistance that has, good security performance when using to and longer life.

Description

Explosion-proof high temperature resistant gear pump

Technical Field

The utility model relates to a gear pump field especially relates to an explosion-proof high temperature resistant gear pump.

Background

Gear pumps are rotary pumps that deliver or pressurize fluid by virtue of the change in working volume and movement created between a pump cylinder and a meshing gear. Two gears, pump body and front and back covers form two closed spaces, when the gears rotate, the space on the gear disengagement side becomes larger from smaller to larger to form vacuum to suck liquid, and the space on the gear engagement side becomes smaller from larger to smaller to squeeze liquid into the pipeline.

Currently, the gear pumps used today are structurally simple and do not have the performance requirements of explosion protection and high temperature resistance when used, thus resulting in lower safety of these gear pumps and shortened life of the gear pumps when delivering some high temperature liquids.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an explosion-proof high temperature resistant gear pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an explosion-proof high-temperature-resistant gear pump comprises a device main body, wherein a gear groove and an infusion groove are formed in the device main body, a first rotating shaft is rotatably connected in the gear groove and close to the upper part of the gear groove through a bearing, a driven gear is fixedly connected to the outer surface of the first rotating shaft, a plurality of through holes are formed in the device main body and close to the top and the bottom of the device main body, reinforcing ribs are fixed to the outer surface of the device main body, a protective shell is arranged on the outer side of the device main body, the device main body is fixedly connected to the inner bottom of the protective shell, a plurality of telescopic rods are fixedly connected to the inner surface of the protective shell and are positioned around the device main body, a baffle is fixedly connected to one end, away from the protective shell, of each telescopic rod, the baffle is attached to the surface of the device main, the surface of base is through installation piece fixedly connected with drive motor, drive motor's output end fixedly connected with second pivot, the one end that drive motor was kept away from in the second pivot extends to the inside and the fixedly connected with driving gear of gear groove.

As a further description of the above technical solution:

the driving gear corresponds to the driven gear in position, and the driving gear is meshed with the driven gear.

As a further description of the above technical solution:

a plurality of air holes are formed in the surface of the protective shell and close to the bottom.

As a further description of the above technical solution:

the quantity of strengthening rib is a plurality of, and the position of strengthening rib all twines the surface of device main part.

As a further description of the above technical solution:

the infusion tank is characterized in that a liquid inlet pipe is fixedly connected to the inner portion of the infusion tank and close to one end of the infusion tank, a filter screen is arranged inside the liquid inlet pipe, and a liquid outlet pipe is fixedly connected to the inner portion of the infusion tank and close to the other end of the infusion tank.

As a further description of the above technical solution:

and a buffer spring is fixedly connected between the protective shell and the baffle, and the position of the buffer spring is positioned on the outer surface of the telescopic rod.

As a further description of the above technical solution:

the protective housing is made of carbonized steel through surface quenching, the bottom of the heat exhaust fan is fixedly connected with an air pipe, and the air pipe extends to the inside of the protective housing.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the explosion-proof high-temperature resistant gear pump is characterized in that the device is statically arranged on a supporting surface, then connecting the external pipeline with the liquid inlet pipe, starting the transmission motor, enabling the driving gear to rotate through the second rotating shaft by the transmission motor, then the driving gear is meshed with the driven gear to enable the driven gear to rotate, liquid enters from the liquid inlet pipe along with the rotation of the driving gear and the driven gear, then the liquid is discharged from the liquid outlet pipe, meanwhile, the heat discharge fan is started, the heat discharge fan pumps out the heat in the protective shell through the air pipe for high-efficiency heat dissipation, the normal work of the liquid at high temperature can be ensured, and then guarantee the life of device, the good heat dissipation function cooperation baffle in addition can greatly increased the stability in use of device with the design of buffer spring and strengthening rib, makes the gear pump have good explosion-proof security performance.

2. Compared with the prior art, this explosion-proof high temperature resistant gear pump, the filter screen of setting can carry out liquid when carrying out the liquid transport at the gear pump, plays the filter action to the liquid of carrying, prevents that the impurity that carries from getting into the inside of gear pump in the liquid, influences its normal work.

Drawings

Fig. 1 is a schematic view of an internal structure of an explosion-proof high-temperature resistant gear pump provided by the present invention;

fig. 2 is a side view of the overall structure of an explosion-proof high-temperature resistant gear pump provided by the present invention;

fig. 3 is a side view of the main structure of an explosion-proof and high-temperature resistant gear pump of the present invention;

fig. 4 is a partial enlarged view of a portion a in fig. 1 according to the present invention.

Illustration of the drawings:

1. a device main body; 2. a gear groove; 3. a transfusion tank; 4. a through hole; 5. a first rotating shaft; 6. a driven gear; 7. a base; 8. mounting blocks; 9. a drive motor; 10. a second rotating shaft; 11. a driving gear; 12. reinforcing ribs; 13. a protective housing; 14. a telescopic rod; 15. a buffer spring; 16. a baffle plate; 17. air holes are formed; 18. a liquid outlet pipe; 19. a liquid inlet pipe; 20. a filter screen; 21. a heat exhaust fan; 22. the trachea.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model provides a pair of explosion-proof high temperature resistant gear pump: comprises a device main body 1, a gear groove 2 and an infusion groove 3 are arranged inside the device main body 1, a first rotating shaft 5 is rotatably connected inside and above the gear groove 2 through a bearing, a driven gear 6 is fixedly connected on the outer surface of the first rotating shaft 5, a plurality of through holes 4 are arranged inside and near the top and the bottom of the device main body 1, the contact area of the device main body 1 and the air is increased during heat dissipation, a reinforcing rib 12 is fixed on the outer surface of the device main body 1, the strength of the device main body 1 is increased, a protective shell 13 is arranged outside the device main body 1, the device main body 1 has a protection effect on the internal device main body 1, the device main body 1 is fixedly connected at the inner bottom of the protective shell 13, a plurality of telescopic rods 14 are fixedly connected on the inner surface of the protective shell 13 and are positioned around the device main body 1, and a baffle, play the effect of blockking when device main part 1 produces to explode and split the piece that produces, baffle 16 laminates mutually with the surface of device main part 1, protective housing 13's top is provided with heat extraction fan 21, good radiating effect when increasing gear pump delivery liquid, and then reduce the possibility that the gear pump high temperature explodes to a certain extent, protective housing 13's bottom fixedly connected with

base

7, 8 fixedly connected with drive motor 9 are passed through to the surface of base 7 installation piece, drive motor 9's output fixedly connected with second pivot 10, the one end that drive motor 9 was kept away from in second pivot 10 extends to the inside and the fixedly connected with driving gear 11 of gear groove 2.

The driving gear 11 corresponds to the driven gear 6, the driving gear 11 is engaged with the driven gear 6, a plurality of air holes 17 are formed in the surface of the protective shell 13 and close to the bottom, so that gas can circulate conveniently, a plurality of reinforcing ribs 12 are arranged, the positions of the reinforcing ribs 12 are wound on the surface of the device main body 1, a liquid inlet pipe 19 is fixedly connected inside the liquid conveying tank 3 and positioned on the right side, a filter screen 20 is arranged inside the liquid inlet pipe 19, impurities inside the liquid are filtered when the gear pump works, a liquid outlet pipe 18 is fixedly connected inside the liquid conveying tank 3 and positioned on the left side, a buffer spring 15 is fixedly connected between the protective shell 13 and the baffle 16 and used for providing buffer force when the baffle 16 is impacted by fragments, the buffer spring 15 is positioned on the outer surface of the telescopic rod 14, the buffer spring 15 has a limiting effect and prevents bending, protective housing 13 is made for the carbonization steel matter through the surface hardening, has good toughness and intensity, and the bottom fixedly connected with trachea 22 of heat extraction fan 21, trachea 22 extend to protective housing 13's inside, are convenient for extract the heat that device main part 1 transmitted.

The working principle is as follows: during the use, with the device rest on the holding surface, then be connected external pipeline and feed liquor pipe 19, then start drive motor 9, drive motor 9 makes driving gear 11 rotate through second pivot 10, then driving gear 11 makes driven gear 6 rotate through the meshing with driven gear 6, and then realize liquid and get into from feed liquor pipe 19 along with driving gear 11 and driven gear 6's rotation, then from drain pipe 18 by discharge.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an explosion-proof high temperature resistant gear pump, includes device main part (1), its characterized in that: the device is characterized in that a gear groove (2) and an infusion groove (3) are formed in the device body (1), a first rotating shaft (5) is rotatably connected to the inside of the gear groove (2) and close to the upper side of the gear groove through a bearing, a driven gear (6) is fixedly connected to the outer surface of the first rotating shaft (5), a plurality of through holes (4) are formed in the device body (1) and close to the top and the bottom of the device body, reinforcing ribs (12) are fixed to the outer surface of the device body (1), a protective shell (13) is arranged on the outer side of the device body (1), the device body (1) is fixedly connected to the inner bottom of the protective shell (13), a plurality of telescopic rods (14) are fixedly connected to the inner surface of the protective shell (13) and are located around the device body (1), and a baffle (16) is fixedly connected to one end, far away, baffle (16) and the surface of device main part (1) are laminated mutually, the top of protecting sheathing (13) is provided with heat extraction fan (21), the bottom fixedly connected with base (7) of protecting sheathing (13), the surface of base (7) is through installation piece (8) fixedly connected with drive motor (9), the output fixedly connected with second pivot (10) of drive motor (9), the one end that drive motor (9) were kept away from in second pivot (10) extends to the inside and fixedly connected with driving gear (11) of gear groove (2).

2. An explosion-proof and high temperature resistant gear pump according to claim 1, characterized in that: the driving gear (11) corresponds to the driven gear (6) in position, and the driving gear (11) is meshed with the driven gear (6).

3. An explosion-proof and high temperature resistant gear pump according to claim 1, characterized in that: a plurality of air holes (17) are formed on the surface of the protective shell (13) and close to the bottom.

4. An explosion-proof and high temperature resistant gear pump according to claim 1, characterized in that: the number of the reinforcing ribs (12) is multiple, and the positions of the reinforcing ribs (12) are wound on the surface of the device main body (1).

5. An explosion-proof and high temperature resistant gear pump according to claim 1, characterized in that: the infusion tank is characterized in that the infusion tank (3) is internally and fixedly connected with a liquid inlet pipe (19) on the right side, a filter screen (20) is arranged inside the liquid inlet pipe (19), and the infusion tank (3) is internally and fixedly connected with a liquid outlet pipe (18) on the left side.

6. An explosion-proof and high temperature resistant gear pump according to claim 1, characterized in that: fixedly connected with buffer spring (15) between protective housing (13) and baffle (16), buffer spring (15)'s position is located the surface of telescopic link (14).

7. An explosion-proof and high temperature resistant gear pump according to claim 1, characterized in that: protective housing (13) are made for the carbonization steel matter through surface hardening, the bottom fixedly connected with trachea (22) of heat extraction fan (21), trachea (22) extend to protective housing's (13) inside.