CN214945213U

CN214945213U - Transmission device for protecting centrifugal pump

Info

Publication number: CN214945213U
Application number: CN202121523098.0U
Authority: CN
Inventors: 闫丽君; 王方萍; 刘元; 吕欣歆
Original assignee: Chongqing Pump Industry Co Ltd
Current assignee: Chongqing Pump Industry Co Ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-11-30
Anticipated expiration: 2031-07-06

Abstract

The utility model relates to a centrifugal pump technical field just discloses a transmission is used in protection of centrifugal pump, including the pump case, the inner wall left side of pump case is provided with the drive assembly that one end extends to its right side, the interior roof of pump case is provided with oil box, the interior bottom wall of oil box is provided with the play oil pipe that one end extends to its bottom and is located the drive assembly top, the interior roof of oil box is provided with the oil pipe that advances that one end extends to the pump case top, the top of pump case is provided with and is located into oil pipe left side and one end and rather than the apron of top laminating. This transmission is used in protection of centrifugal pump, through setting up pull ring pulling haulage rope, the haulage rope drives the fly leaf and removes left, and the fly leaf drives through the catch bar and hinders the oil block and remove left, makes the inside lubricating oil of oil box flow from oil pipe to the meshing department of worm and worm wheel, has effectively helped the user to lubricate centrifugal pump's transmission, improves the life of pump, has made things convenient for the user to use.

Description

Transmission device for protecting centrifugal pump

Technical Field

The utility model relates to a centrifugal pump technical field specifically is a transmission is used in protection of centrifugal pump.

Background

The centrifugal pump is a pump which transfers liquid by centrifugal force generated when an impeller rotates, the centrifugal pump is a vane pump, the centrifugal pump transfers mechanical energy to the liquid by the vane in the rotating process of the impeller, and the pressure of the liquid can be increased due to the interaction of the vane and the liquid, so that the purpose of transferring the liquid is achieved, and the centrifugal pump is mainly characterized by comprising the following steps: compact structure, wide flow lift range, even flow, stable operation, small vibration, low maintenance and repair cost and the like.

The existing centrifugal pump needs to fill oil to the internal transmission assembly at an irregular period after being used for a period of time so as to keep the lubrication degree of the centrifugal pump, and the existing oil filling mode needs to manually disassemble the shell of the centrifugal pump, wastes time and labor, and needs workers to carry lubricating oil with them, so that the transmission device for protecting the centrifugal pump is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a transmission is used in protection of centrifugal pump has possessed the advantage that is convenient for lubricate the transmission of centrifugal pump and improves the availability factor, has solved current oiling mode and has needed the manual work to unpack apart the shell of centrifugal pump, wastes time and energy, and needs the problem that the staff hand-carried lubricating oil.

(II) technical scheme

For the above-mentioned purpose that is convenient for lubricate the transmission of centrifugal pump and improve the availability factor that realizes, the utility model provides a following technical scheme: the utility model provides a transmission is used in protection of centrifugal pump, includes the pump case, the inner wall left side of pump case is provided with the drive assembly that one end extends to its right side, the interior roof of pump case is provided with oil box, the interior roof of oil box is provided with the play oil pipe that one end extends to its bottom and is located the drive assembly top, the interior roof of oil box is provided with the oil pipe that advances that one end extends to the pump case top, the top of pump case is provided with the apron that is located into oil pipe left side and one end and rather than the top laminating, the interior roof of oil box is provided with the oily subassembly that hinders that is located out oil pipe left side and rather than the top laminating, the top that hinders oily subassembly extends to the top of pump case and is provided with the left pull ring that is located the apron, the top of pump case is provided with the block subassembly that is located into oil pipe right side and is connected with the apron.

Preferably, the transmission assembly comprises a main shaft, the left side of the inner wall of the pump shell is rotatably connected with the main shaft of which one end extends to the right side of the inner wall, the right side of the main shaft is fixedly provided with an impeller, the outer side of the main shaft is fixedly provided with a worm wheel positioned inside the pump shell, and a worm positioned above the main shaft and meshed with the worm wheel is rotatably connected between the front side and the rear side of the inner wall of the pump shell.

Preferably, the oil blocking assembly comprises a mounting frame, the inner bottom wall of the oil box is fixedly provided with the mounting frame positioned on the left side of the oil outlet pipe, a vertical plate is fixedly arranged between the inner top wall and the inner bottom wall of the mounting frame, a movable plate positioned on the right side of the vertical plate is connected between the inner top wall and the inner bottom wall of the mounting frame in a sliding manner, a push rod with one end extending to the right side of the mounting frame is fixedly arranged on the right side of the movable plate, an oil blocking block attached to the top of the oil outlet pipe is fixedly arranged on the right side of the push rod, the inner top wall of the mounting frame is fixedly provided with a fixed block positioned on the left side of the vertical plate, the bottom of the fixed block is rotatably connected with a roller, one end of the left side of the movable plate is fixedly connected with a traction rope which sequentially penetrates through the vertical plate and the roller and extends to the top of the pump shell, the top fixed mounting of haulage rope has the pull ring that is located the apron left, fixed mounting has the cover at the first spring in haulage rope outside between fly leaf and the riser.

Preferably, the block subassembly is including the installation piece, the top fixed mounting of pump case has the installation piece that is located into oil pipe right side, the interior diapire of installation piece rotates and is connected with the screw rod that one end extends to its top, the top fixed mounting of screw rod has the control panel, the outside threaded connection of screw rod has one end and the screw thread piece of installation piece inner wall right side sliding connection, sliding connection has the movable plate that is located the screw rod left between the interior roof of installation piece and the interior diapire, the left side fixed mounting of movable plate has one end to extend to the left spacer pin of installation piece, fixed mounting has the second spring of cover in the spacer pin outside between the left side of movable plate and the inner wall left side of installation piece, the right side fixed mounting of movable plate has the wedge of laminating with the screw thread piece.

Preferably, the top of the pump case is fixedly provided with an auxiliary block positioned on the left side of the oil inlet pipe, the top of the auxiliary block is rotatably connected with a cover plate, one end of the cover plate extends to the upper side of the oil inlet pipe, and the bottom of the cover plate is fixedly provided with a sealing gasket attached to the top of the oil inlet pipe.

Preferably, the inner top wall and the inner bottom wall of the mounting block are both provided with sliding grooves matched with the moving track of the moving plate, the left side of the inner wall of the mounting block is provided with a through hole matched with the limit pin, and the right side of the cover plate is provided with a limit groove matched with the limit pin.

(III) advantageous effects

Compared with the prior art, the utility model provides a transmission is used in protection of centrifugal pump possesses following beneficial effect:

this transmission is used in protection of centrifugal pump, it rotates to drive the screw rod through setting up the control panel, the screw rod drives the screw thread piece downstream, the screw thread piece promotes the movable plate through the wedge and moves left, the movable plate drives spacer pin and apron block, thereby seal to advancing oil pipe, prevent that dust etc. from getting into in the oil box, through setting up pull ring pulling haulage rope, the haulage rope drives the fly leaf and moves left, the fly leaf drives through the catch bar and hinders the oil piece and move left, make the inside lubricating oil of oil box from going out oil pipe department and flow down to the meshing department of worm and worm wheel, effectively helped the user and lubricated the transmission of centrifugal pump, the service life of pump is prolonged, the use of user has been made things convenient for.

Drawings

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

fig. 2 is an enlarged schematic view of a point a in fig. 1 according to the present invention.

In the figure: 1 pump case, 2 transmission assemblies, 21 main shaft, 22 worm, 23 worm wheel, 24 impeller, 3 oil box, 4 oil outlet pipe, 5 oil blocking assembly, 51 mounting frame, 52 vertical plate, 53 movable plate, 54 push rod, 55 oil blocking block, 56 fixed block, 57 roller, 58 haulage rope, 59 first spring, 6 pull ring, 7 oil inlet pipe, 8 cover plate, 9 clamping assembly, 91 mounting block, 92 screw, 93 thread block, 94 movable plate, 95 spacing pin, 96 second spring, 97 wedge block, 98 control panel.

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.

Referring to fig. 1-2, the present invention provides a technical solution: a transmission device for protecting a centrifugal pump comprises a pump shell 1, a transmission assembly 2 with one end extending to the right side is movably arranged on the left side of the inner wall of the pump shell 1, the transmission assembly 2 comprises a main shaft 21, the left side of the inner wall of the pump shell 1 is rotatably connected with the main shaft 21 with one end extending to the right side of the inner wall, an impeller 24 is fixedly arranged on the right side of the main shaft 21, a worm wheel 23 positioned in the pump shell 1 is fixedly arranged on the outer side of the main shaft 21, a worm 22 positioned above the main shaft 21 and meshed with the worm wheel 23 is rotatably connected between the front side and the rear side of the inner wall of the pump shell 1, an oil box 3 is fixedly arranged on the inner top wall of the pump shell 1, an oil outlet pipe 4 with one end extending to the bottom of the oil box 3 and positioned above the transmission assembly 2 is communicated with the inner top wall of the oil box 3, an oil inlet pipe 7 with one end extending to the top of the pump shell 1, a cover plate 8 positioned on the left side of the oil inlet pipe 7 and movably arranged on the top of the pump shell 1, the top of the pump case 1 is fixedly provided with an auxiliary block positioned at the left side of the oil inlet pipe 7, the top of the auxiliary block is rotatably connected with a cover plate 8 of which one end extends to the upper side of the oil inlet pipe 7, the bottom of the cover plate 8 is fixedly provided with a sealing gasket attached to the top of the oil inlet pipe 7, the inner bottom wall of the oil box 3 is fixedly provided with an oil blocking component 5 positioned at the left side of the oil outlet pipe 4 and attached to the top thereof, the top of the oil blocking component 5 extends to the top of the pump case 1 and is fixedly provided with a pull ring 6 positioned at the left side of the cover plate 8, the oil blocking component 5 comprises an installation frame 51, the inner bottom wall of the oil box 3 is fixedly provided with an installation frame 51 positioned at the left side of the oil outlet pipe 4, a vertical plate 52 is fixedly arranged between the inner top wall and the inner bottom wall of the installation frame 51, a movable plate 53 positioned at the right side of the vertical plate 53 is slidably connected with a push rod 54 of which one end extends to the right side of the installation frame 51, the right side of the push rod 54 is fixedly provided with an oil blocking block 55 attached to the top of the oil outlet pipe 4, the inner top wall of the mounting frame 51 is fixedly provided with a fixed block 56 positioned at the left side of the vertical plate 52, the bottom of the fixed block 56 is rotatably connected with a roller 57, the left side of the movable plate 53 is fixedly connected with a traction rope 58 of which one end sequentially penetrates through the vertical plate 52 and the roller 57 and extends to the top of the pump case 1, the top of the traction rope 58 is fixedly provided with a pull ring 6 positioned at the left side of the cover plate 8, a first spring 59 sleeved at the outer side of the traction rope 58 is fixedly arranged between the movable plate 53 and the vertical plate 52, the top of the pump case 1 is fixedly provided with a clamping component 9 positioned at the right side of the oil inlet pipe 7 and connected with the cover plate 8, the clamping component 9 comprises a mounting block 91, the top of the pump case 1 is fixedly provided with a mounting block 91 positioned at the right side of the oil inlet pipe 7, the inner bottom wall of the mounting block 91 is rotatably connected with a screw 92 of which one end extends to the top thereof, a control disc 98 is fixedly installed at the top of the screw 92, a thread block 93 with one end slidably connected with the right side of the inner wall of the installation block 91 is connected to the outer side of the screw 92 through a thread, a moving plate 94 positioned at the left side of the screw 92 is slidably connected between the inner top wall and the inner bottom wall of the installation block 91, a limit pin 95 with one end extending to the left side of the installation block 91 is fixedly installed at the left side of the moving plate 94, sliding grooves matched with the moving track of the moving plate 94 are formed in the inner top wall and the inner bottom wall of the installation block 91, a through hole matched with the limit pin 95 is formed in the left side of the inner wall of the installation block 91, a limit groove matched with the limit pin 95 is formed in the right side of the cover plate 8, a second spring 96 sleeved outside the limit pin 95 is fixedly installed between the left side of the inner wall of the moving plate 94 and the left side of the inner wall of the installation block 91, a wedge block 97 matched with the thread block 93 is fixedly installed at the right side of the moving plate 94, and the screw 92 is driven to rotate by the control disc 98, screw 92 drives screw block 93 and moves down, screw block 93 promotes movable plate 94 through wedge 97 and moves left, movable plate 94

drives spacer pin

95 and 8 block of apron, thereby seal into oil pipe 7, prevent that dust etc. from getting into in the oil box 3, through setting up pull ring 6 pulling haulage rope 58, haulage rope 58 drives fly leaf 53 and moves left, fly leaf 53 drives through catch bar 54 and hinders oil block 55 and moves left, make the inside lubricating oil of oil box 3 flow from oil pipe 4 and fall to the meshing department of worm 22 and worm wheel 23, effectively helped the user lubricate the transmission of centrifugal pump, the life of pump is prolonged, and the use of the user is facilitated.

In summary, in the protection transmission device of the centrifugal pump, the control disc 98 is arranged to drive the screw 92 to rotate, the screw 92 drives the screw block 93 to move downwards, the screw block 93 pushes the moving plate 94 to move leftwards through the wedge block 97, the moving plate 94 drives the limit pin 95 to be clamped with the cover plate 8, so as to seal the oil inlet pipe 7 and prevent dust and the like from entering the oil box 3, the pull ring 6 is arranged to pull the pull rope 58, the pull rope 58 drives the moving plate 53 to move leftwards, the moving plate 53 drives the oil blocking block 55 to move leftwards through the push rod 54, so that the lubricating oil in the oil box 3 flows down to the meshing part of the worm 22 and the worm wheel 23 from the oil outlet pipe 4, the transmission device of the centrifugal pump is effectively lubricated by a user, the service life of the pump is prolonged, the use of the pump is convenient, the problem that the existing oil injection mode needs manual disassembly of the casing of the centrifugal pump, which is time and labor consuming is solved, and the lubricating oil is carried by workers.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transmission is used in protection of centrifugal pump, includes pump case (1), the inner wall left side of pump case (1) is provided with one end and extends to transmission assembly (2) on its right side, the interior roof of pump case (1) is provided with oil box (3), the interior bottom wall of oil box (3) is provided with one end and extends to its bottom and is located play oil pipe (4) of transmission assembly (2) top, the interior roof of oil box (3) is provided with oil pipe (7) that advances that one end extends to pump case (1) top, the top of pump case (1) is provided with apron (8) that are located oil pipe (7) left side and one end and laminate rather than the top, its characterized in that: the inner bottom wall of oil box (3) is provided with and is located oil pipe (4) left side and hinders oily subassembly (5) rather than the laminating of top, the top that hinders oily subassembly (5) extends to the top of pump case (1) and is provided with and is located left pull ring (6) of apron (8), the top of pump case (1) is provided with and is located into oil pipe (7) right side and block subassembly (9) be connected with apron (8).

2. The protective transmission device for a centrifugal pump according to claim 1, characterized in that: the transmission assembly (2) comprises a main shaft (21), the left side of the inner wall of the pump shell (1) is rotatably connected with the main shaft (21) of which one end extends to the right side of the inner wall, an impeller (24) is fixedly arranged on the right side of the main shaft (21), a worm wheel (23) positioned inside the pump shell (1) is fixedly arranged on the outer side of the main shaft (21), and a worm (22) positioned above the main shaft (21) and meshed with the worm wheel (23) is rotatably connected between the front side and the rear side of the inner wall of the pump shell (1).

3. The protective transmission device for a centrifugal pump according to claim 1, characterized in that: hinder oily subassembly (5) including installing frame (51), the interior diapire fixed mounting of oil box (3) has and is located the left installing frame (51) of oil pipe (4), fixed mounting has riser (52) between the interior roof of installing frame (51) and the interior diapire, sliding connection has fly leaf (53) that are located riser (52) right side between the interior roof of installing frame (51) and the interior diapire, the right side fixed mounting of fly leaf (53) has catch bar (54) that one end extends to installing frame (51) right side, the right side fixed mounting of catch bar (54) has the piece of hindering oil (55) of laminating with oil pipe (4) top, the interior roof fixed mounting of installing frame (51) has and is located the left fixed block (56) of riser (52), the bottom rotation of fixed block (56) is connected with gyro wheel (57), the left side fixedly connected with one end of fly leaf (53) passes riser (52) and gyro wheel (57) in proper order and extends to (a) (pump case (57), (the) and extend to 1) The top of the pull rope (58) is fixedly provided with a pull ring (6) positioned on the left side of the cover plate (8), and a first spring (59) sleeved on the outer side of the pull rope (58) is fixedly arranged between the movable plate (53) and the vertical plate (52).

4. The protective transmission device for a centrifugal pump according to claim 1, characterized in that: the clamping assembly (9) comprises an installation block (91), the top of the pump shell (1) is fixedly provided with an installation block (91) located on the right side of the oil inlet pipe (7), the inner bottom wall of the installation block (91) is rotatably connected with a screw rod (92) with one end extending to the top of the installation block, the top of the screw rod (92) is fixedly provided with a control disc (98), the outer side of the screw rod (92) is in threaded connection with a thread block (93) with one end slidably connected with the right side of the inner wall of the installation block (91), a movable plate (94) located on the left side of the screw rod (92) is slidably connected between the inner top wall and the inner bottom wall of the installation block (91), one end of the left side of the movable plate (94) is fixedly provided with a limit pin (95) with the installation block (91), and a second spring (96) sleeved on the outer side of the limit pin (95) is fixedly installed between the left side of the inner wall of the movable plate (94) and the left side of the installation block (91), and a wedge-shaped block (97) attached to the thread block (93) is fixedly mounted on the right side of the moving plate (94).

5. The protective transmission device for a centrifugal pump according to claim 1, characterized in that: the top fixed mounting of pump case (1) has the supplementary piece that is located into oil pipe (7) left, the top of supplementary piece is rotated and is connected with apron (8) that one end extends to into oil pipe (7) top, the bottom fixed mounting of apron (8) has the sealed pad of laminating with advancing oil pipe (7) top.

6. The protective transmission device for a centrifugal pump according to claim 4, characterized in that: the inner top wall and the inner bottom wall of the mounting block (91) are both provided with sliding grooves matched with the moving track of the moving plate (94), the left side of the inner wall of the mounting block (91) is provided with through holes matched with the limiting pins (95), and the right side of the cover plate (8) is provided with limiting grooves matched with the limiting pins (95).