CN218207703U

CN218207703U - Easily-maintained double-screw pump

Info

Publication number: CN218207703U
Application number: CN202222415768.8U
Authority: CN
Inventors: 滕力雯; 张石英
Original assignee: Zhejiang Dongge Machinery Equipment Co ltd
Current assignee: Zhejiang Dongge Machinery Equipment Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-03
Anticipated expiration: 2032-09-13

Abstract

The utility model provides an easy to maintain's twin-screw pump. The maintenance-friendly twin-screw pump comprises: a gear case; the gear groove is formed in the gear box, and a drain groove is formed in the gear box and located on one side of the gear groove; the gear box is internally provided with a sealing plate, and the bottom of the sealing plate is provided with a plurality of discharge grooves; the first movable frame is arranged at the bottom of the inner wall of the drainage groove. The utility model provides a pair of easy to maintain's twin-screw pump passes through a plurality of sealing strips of movable plate bottom and removes the inside of escape way for the gear groove is whole to be in encapsulated situation, later pours into clean fluid and cleans the gear, and after clean the completion, opens the sealing strip again and makes fluid discharge by the escape way, thereby makes the gear when cleaning, can be in encapsulated situation, thereby the effectual holistic clean effect of gear that has improved the result of use of gear.

Description

Easily-maintained double-screw pump

Technical Field

The utility model relates to a two-screw pump field especially relates to an easy to maintain's two-screw pump.

Background

The double-screw pump is a sealed cavity with constant volume formed between a screw sleeve and a pump body or a lining which are mutually meshed on a driving shaft and a driven shaft, and media are respectively conveyed to the middle of the pump body along with the rotation of the screw shaft, are combined together and finally conveyed to an outlet of the pump, so that the conveying purpose of the pump is realized.

The existing double-screw pump is required to replace oil of the gear box once every three months, and when the oil is replaced, a drainage screw plug of the gear box is loosened to drain gear oil. And screwing down the drain screw plug, opening the oil filling screw plug, injecting clean light oil, and cleaning the gear box. And after the gear oil is cleaned, opening the drainage screw plug, discharging light oil, screwing down the drainage screw plug, injecting specified gear oil from the oil injection screw plug port to the middle of an oil level, and screwing down the oil injection screw plug.

However, in the existing gear box cleaning mode, because the injection and the discharge of the cleaning oil are synchronously performed, when the gear is cleaned, the gear cannot be completely and completely cleaned, so that the oil which is not completely cleaned is remained in the gear, the lubricating effect of the gear is deteriorated for a long time, and the service life is shortened.

Therefore, it is necessary to provide a twin-screw pump which is easy to maintain to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an easy to maintain's twin-screw pump has solved the clean incomplete problem of twin-screw pump gear box.

In order to solve the technical problem, the utility model provides a pair of easy to maintain's two screw pump includes: a gear case;

the gear groove is formed in the gear box, and a drain groove is formed in the gear box and located on one side of the gear groove;

the gear box is internally provided with a sealing plate, and the bottom of the sealing plate is provided with a plurality of discharge grooves;

the first moving frame is mounted at the bottom of the inner wall of the drain groove, the inner part of the first moving frame is rotatably connected with a second rotating rod, the outer part of the second rotating rod is connected with a moving plate through a sliding block in a threaded manner, and the front side of the moving plate is fixedly connected with a plurality of sealing strips;

the second removes the frame, the second removes the frame and installs in the bottom of escape canal inner wall, and is located one side of first removal frame, two first rotation grooves have been seted up to the inside of second removal frame, two the inside in first rotation groove all rotates and is connected with first rotation pole, and is a plurality of the sealing strip is located the inside in discharge groove, the first removal frame is symmetrical with the position that the second removed the frame.

Preferably, the second has been seted up to one side of first removal frame and has been rotated the groove, the first conical gear of one end fixedly connected with of second dwang, one side rotation that the second rotated the inslot wall is connected with the pivot, the outside cover of pivot is equipped with second conical gear, second conical gear meshes with first conical gear mutually, the pivot runs through and extends to the outside of gear box.

Preferably, an oil filling groove is formed in the top of the gear box, a connecting strip is fixedly connected to the two sides of the inner wall of the oil filling groove, a sealing cover is installed on one side of the connecting strip through screws, and the sealing cover is used for sealing a drain tank.

Preferably, a box cover is installed at the top of the gear box and positioned at the top of the oil filling groove.

Preferably, the bottom of the inner wall of the drainage groove is provided with an oil drainage groove, an orifice cover is installed inside the oil drainage groove through a screw, and the orifice cover can be opened through disassembling the screw by the oil drainage groove and is used for connecting an oil drainage pipeline.

Preferably, two gears are installed through two connecting axles in the inside of gear box, and two gears all are located the inside in gear groove, two the connecting axle all runs through and extends to the inside in escape groove, the connecting axle is used for connecting the transmission screw.

Preferably, a motor is mounted on one side of the gear box.

Compared with the prior art, the utility model provides a pair of easily maintained's twin-screw pump has following beneficial effect:

the utility model provides an easy to maintain's twin-screw pump, through rotating the second dwang, thereby remove through outside screw thread drive movable plate, and make a plurality of sealing strips of movable plate bottom remove the inside of escape way, make the gear groove wholly be in encapsulated situation, later pour into clean fluid into and clean the gear, after clean the completion, open the sealing strip again and make fluid discharge by the escape way, thereby make the gear when carrying out cleaning work, can be in encapsulated situation, thereby the effectual holistic clean effect of gear that has improved, the result of use of gear is improved.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of an easy-to-maintain twin-screw pump according to the present invention;

fig. 2 is a schematic structural view of a drain tank provided by the present invention;

FIG. 3 is a schematic structural view of a gear box provided by the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

fig. 5 is a schematic structural view of the connecting shaft provided by the present invention;

fig. 6 is a schematic structural view of a gear provided by the present invention;

fig. 7 is a schematic structural diagram of the sliding block provided by the present invention;

fig. 8 is a schematic structural view of the sealing plate provided by the present invention.

Reference numbers in the figures: 1. the oil injection device comprises a motor, 2, a box cover, 3, a gear box, 4, an oil injection groove, 5, a first moving frame, 6, a drain groove, 7, a second moving frame, 8, a gear groove, 9, a connecting strip, 10, a sealing cover, 11, a rotating shaft, 12, a first bevel gear, 13, a second rotating groove, 14, a second bevel gear, 15, a connecting shaft, 16, a first rotating groove, 17, a first rotating rod, 18, a gear, 19, a sliding connection block, 20, a sealing strip, 21, a moving plate, 22, a drain groove, 23, a sealing plate, 24, an oil drain groove, 25 and a second rotating rod.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an easy-to-maintain twin-screw pump according to the present invention; fig. 2 is a schematic structural view of a drain tank provided by the present invention; FIG. 3 is a schematic structural view of a gear box provided by the present invention; FIG. 4 is an enlarged view of the portion A shown in FIG. 2; fig. 5 is a schematic structural view of the connecting shaft provided by the present invention; fig. 6 is a schematic structural view of a gear provided by the present invention; fig. 7 is a schematic structural view of the sliding block provided by the present invention; fig. 8 is a schematic structural diagram of the sealing plate provided by the present invention. An easy-to-service twin screw pump comprising: a gear case 3;

the gear groove 8 is formed in the gear box 3, and a drain groove 6 is formed in the gear box 3 and located on one side of the gear groove 8;

a sealing plate 23, wherein the sealing plate 23 is arranged in the gear box 3, and a plurality of discharge grooves 22 are formed in the bottom of the sealing plate 23;

the first movable frame 5 is installed at the bottom of the inner wall of the drainage groove 6, a second rotating rod 25 is rotatably connected to the inside of the first movable frame 5, a movable plate 21 is connected to the outside of the second rotating rod 25 through a sliding connection block 19 in a threaded mode, and a plurality of sealing strips 20 are fixedly connected to the front face of the movable plate 21;

the second removes frame 7, the second removes frame 7 and installs in the bottom of 6 inner walls of escape chutes, and is located one side of first removal frame 5, two first rotation grooves 16 have been seted up to the inside of second removal frame 7, two the inside of first rotation groove 16 all rotates and is connected with first rotation pole 17, and is a plurality of sealing strip 20 is located the inside of escape chute 22, the position of first removal frame 5 and second removal frame 7 is symmetrical, separate through closing plate 23 between gear groove 8 and the escape chute 6.

The second has been seted up to one side of first removal frame 5 and has been rotated groove 13, the first conical gear 12 of one end fixedly connected with of second dwang 25, the second rotates one side rotation of groove 13 inner wall and is connected with pivot 11, the outside cover of pivot 11 is equipped with second conical gear 14, second conical gear 14 meshes with first conical gear 12 mutually, pivot 11 runs through and extends to the outside of gear box 3, and passes through the fix with screw.

Oiling groove 4 has been seted up at the top of gear box 3, the both sides fixedly connected with connecting strip 9 of 4 inner walls in oiling groove, there is sealed lid 10 one side of connecting strip 9 through the mounting screw, sealed lid 10 is used for sealed drain tank 6.

And a box cover 2 is arranged on the top of the gear box 3 and positioned on the top of the oil filling groove 4.

An oil discharge groove 24 is formed in the bottom of the inner wall of the drain groove 6, a hole cover is installed inside the oil discharge groove 24 through a screw, and the hole cover can be opened through disassembling the screw by the oil discharge groove 24 and is used for being connected with an oil discharge pipeline.

Two gears 18 are installed through two connecting shafts 15 in the interior of the gear box 3, the two gears 18 are located in the gear groove 8, the connecting shafts 15 penetrate through and extend to the interior of the drain groove 6, and the connecting shafts 15 are used for connecting transmission screws.

And a motor 1 is arranged on one side of the gear box 3.

The utility model provides a pair of twin-screw pump's easy to maintain theory of operation as follows:

when the cleaning work of the gear 18 is performed, the box cover 2 is opened, and the second bevel gear 14 is driven to rotate by rotating the rotating shaft 11, so that the first bevel gear 12 is driven to rotate, the second rotating rod 25 is driven to rotate, so that the moving plate 21 is driven to move by the sliding block 19, and the sealing strip 20 is moved to the inside of the discharge groove 22;

cleaning oil is injected from the oil injection groove 4, when the cleaning work of the gear 18 is completed, the rotating shaft 11 is rotated reversely, the steps are repeated, so that the sealing strip 20 leaves the discharge groove 22, the cleaned oil flows to the inside of the drain groove 6, and the oil discharge groove 24 is opened to connect the pipeline, so that the oil flows from the oil discharge groove 24 to the inside of the pipeline to be discharged.

through rotating second dwang 25, thereby remove through external screw thread drive movable plate 21, and make a plurality of sealing strips 20 of movable plate 21 bottom remove the inside of discharging groove 22, make gear groove 8 whole be in encapsulated situation, later pour into clean fluid and clean the gear, after the cleanness is accomplished, reopen sealing strip 20 and make fluid discharge by discharging groove 22, thereby make gear 18 when carrying out cleaning work, can be in encapsulated situation, thereby the effectual holistic clean effect of gear 18 that has improved, the result of use of gear 18 is improved.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. An easy to maintain twin screw pump comprising: a gear case (3);

the gear groove (8) is formed in the gear box (3), and a drainage groove (6) is formed in the gear box (3) and located on one side of the gear groove (8);

the gear box is characterized by comprising a sealing plate (23), wherein the sealing plate (23) is arranged inside the gear box (3), and a plurality of discharge grooves (22) are formed in the bottom of the sealing plate (23);

the first movable frame (5) is installed at the bottom of the inner wall of the drainage groove (6), a second rotating rod (25) is rotatably connected to the inside of the first movable frame (5), a movable plate (21) is connected to the outside of the second rotating rod (25) through a sliding connection block (19) in a threaded mode, and a plurality of sealing strips (20) are fixedly connected to the front face of the movable plate (21);

the second removes frame (7), the second removes frame (7) and installs in the bottom of escape canal (6) inner wall, and is located one side of first removal frame (5), two first rotating groove (16), two have been seted up to the inside of second removal frame (7) the inside of first rotating groove (16) is all rotated and is connected with first rotation pole (17).

2. The easy-to-maintain twin-screw pump of claim 1, characterized in that a second rotating groove (13) is formed in one side of the first moving frame (5), a first bevel gear (12) is fixedly connected to one end of the second rotating rod (25), a rotating shaft (11) is rotatably connected to one side of the inner wall of the second rotating groove (13), and a second bevel gear (14) is sleeved outside the rotating shaft (11).

3. The easy-to-maintain double-screw pump is characterized in that an oil injection groove (4) is formed in the top of the gear box (3), connecting strips (9) are fixedly connected to two sides of the inner wall of the oil injection groove (4), and a sealing cover (10) is installed on one side of each connecting strip (9) through screws.

4. An easy to service twin screw pump according to claim 3, characterised in that a cover (2) is mounted on top of the gearbox (3) and on top of the oiling groove (4).

5. The twin-screw pump easy to maintain according to claim 1, characterized in that the oil drain groove (24) is formed at the bottom of the inner wall of the drain groove (6), and the oil drain groove (24) is internally provided with a hole cover through screws.

6. An easy to maintain twin screw pump according to claim 1, characterised in that the gear box (3) is internally provided with two gears (18) via two connecting shafts (15), both gears (18) being located inside the gear groove (8), both connecting shafts (15) extending through and into the interior of the drain groove (6).

7. An easy to service twin screw pump according to claim 1, characterised in that the motor (1) is mounted on one side of the gearbox (3).