CN111271272A

CN111271272A - Direct-drive hydraulic pump

Info

Publication number: CN111271272A
Application number: CN202010155599.1A
Authority: CN
Inventors: 姚建军; 张珍
Original assignee: 姚建军
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-06-12

Abstract

The invention relates to the field of hydraulic pumps, in particular to a direct-drive hydraulic pump which comprises a hydraulic pump body, a heat dissipation structure, a support mounting structure and a leakage receiving structure, wherein the heat dissipation structure is connected to the hydraulic pump body and comprises semicircular rings, a first gear, a fan blade, a U-shaped rod, a rotating shaft, a locking bolt, a second gear and a convex plate, the two semicircular rings which are symmetrically arranged are arranged on the outer side surface of the hydraulic pump body on the output side, the outer side surfaces of the semicircular rings are connected with the two U-shaped rods which are symmetrically arranged, the first gear is mounted on the outer side wall of the output end of the hydraulic pump body, and the other end of each U-shaped rod is. The direct-drive hydraulic pump provided by the invention has the advantages that the four rotating shafts are driven to rotate through the heat dissipation structure, so that the fan blades can rotate, the generated wind can blow heat around the hydraulic pump body, the dust accumulation on the surface of the hydraulic pump body can be reduced in the working process, and the hydraulic pump shaft is limited and supported.

Description

Direct-drive hydraulic pump

Technical Field

The invention relates to the field of hydraulic pumps, in particular to a direct-drive hydraulic pump.

Background

The hydraulic pump is a power element of a hydraulic system, and is an element which is driven by an engine or an electric motor, sucks oil from a hydraulic oil tank, forms pressure oil, discharges the pressure oil and sends the pressure oil to an execution element. The hydraulic pump is divided into a gear pump, a plunger pump, a vane pump and a screw pump according to the structure.

When covering the room to remote area, need tamp yellow earth, and tamp the in-process and often use the hydraulic pump as the power supply, at the up-and-down motion tamping in-process, can not carry out good support and can cause internal damage if the output shaft to tamp the in-process from top to bottom and can make, the heat that the inside up-and-down motion of hydraulic pump produced hardly claps out, causes the surface to insert the circuit ageing easily for a long time, influences life. Therefore, it is necessary to provide a new direct drive hydraulic pump to solve the above technical problems.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a direct-drive hydraulic pump.

The technical scheme adopted by the invention for solving the technical problems is as follows: a direct-drive hydraulic pump comprises a hydraulic pump body, a heat dissipation structure, U-shaped rods, a supporting and mounting structure and a leakage receiving structure, wherein the heat dissipation structure is connected to the hydraulic pump body and comprises semicircular rings, a first gear, fan blades, the U-shaped rods, a rotating shaft, a locking bolt, a second gear and a convex plate; a first gear is arranged on the outer side wall of the output end of the hydraulic pump body, a limiting ring is arranged at one end of the U-shaped rod, the other end of the U-shaped rod is close to the side wall of the hydraulic pump body and is rotatably connected with a rotating shaft, a second gear meshed with the first gear is arranged on the rotating shaft, the other end of the rotating shaft is connected with a fan blade, the outer side walls of the two ends of the semicircular ring are respectively connected with a convex plate, a threaded hole matched with the locking bolt is formed in each convex plate; the support mounting structure is connected to the hydraulic pump body; the leakage structure is connected to the hydraulic pump body.

Preferably, the side wall of the semicircular ring is provided with a plurality of through holes, and the side wall of the semicircular ring is embedded into the rubber pad.

Preferably, the supporting and mounting structure comprises a curved supporting plate and an arc-shaped supporting rod, the outer side face of the bottom of the hydraulic pump body is connected with the plurality of arc-shaped supporting rods, the outer side wall of each arc-shaped supporting rod is connected with two curved supporting plates, and the horizontal plane of each curved supporting plate is provided with a mounting hole.

Preferably, the length of the curved support plate extending out of the hydraulic pump body horizontally is greater than the length of the U-shaped rod extending out of the hydraulic pump body.

Preferably, connect the hourglass structure to include that transparent connects hourglass box, triangle-shaped dust blocking pad and cover box, hydraulic pump body oil inlet and oil-out run through cover box trailing flank respectively and cover box fixed connection, cover box bottom portion installs transparent and connects hourglass box, and the terminal surface is equipped with the circular recess that matches with the hydraulic fluid port before the cover box, and the circular recess lateral wall is connected a plurality of and is encircleed the triangle-shaped dust blocking pad that is, the transparent long slat of elasticity is connected respectively to connect hourglass box top both sides wall, and the other end of the long slat of elasticity is filled in inside and the lateral surface lug of cover box, cover box both sides face distribution be equipped with the lug assorted press the dead slot.

Compared with the related art, the direct-drive hydraulic pump provided by the invention has the following beneficial effects:

(1) the invention provides a direct-drive hydraulic pump, which can drive four rotating shafts to rotate through a heat dissipation structure, so that fan blades can rotate, generated wind can blow heat around a hydraulic pump body, dust accumulation on the surface of the hydraulic pump body can be reduced in the working process, the direct-drive hydraulic pump is sleeved on the top of the hydraulic pump body through two semicircular symmetrical arrangements, and then a locking bolt is screwed in to complete surface fixation with the hydraulic pump body, and the installation of the heat dissipation structure is ensured.

(2) The invention provides a direct-drive hydraulic pump, when an oil inlet and an oil outlet are connected to a pipeline to generate an oil leakage condition, whether the oil leakage occurs or not can be visually known through a transparent leakage receiving box, after the oil leakage is confirmed, a connecting guide pipe is disassembled, a sealing ring is replaced, the leaked oil does not drip on the surface of a hydraulic pump body, the leakage can be received through the transparent leakage receiving box, the situation that oil stains accumulated on the surface of the hydraulic pump body are difficult to clean is prevented, the distance between the top ends of two elastic long strip plates can be reduced by pressing two convex blocks with one hand, so that the convex blocks can be moved out from the inside of a pressing empty groove, the transparent leakage receiving box can be disassembled.

Drawings

FIG. 1 is a schematic structural diagram of a direct drive hydraulic pump according to a preferred embodiment of the present invention;

FIG. 2 is an internal schematic view of the overall structure shown in FIG. 2;

FIG. 3 is a side view of the structure of FIG. 2;

fig. 4 is an enlarged schematic structural view of the leakage structure shown in fig. 2.

Reference numbers in the figures: 1. a hydraulic pump body; 2. a heat dissipation structure; 3. supporting the mounting structure; 4. a leakage receiving structure; 21. a semicircular ring; 211. a channel; 22. a first gear; 23. a fan blade; 24. a U-shaped rod; 241. a limiting ring; 25. a rotating shaft; 26. locking the bolt; 27. a second gear; 28. a through hole; 29. a convex plate; 31. a curved support plate; 32. an arc-shaped supporting rod; 33. mounting holes; 41. a transparent leak receiving box; 42. a triangular dust blocking pad; 43. a housing box; 44. a bump; 45. pressing the empty groove; 46. an elastic strip plate; 47. a circular groove.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, a direct-drive hydraulic pump includes a hydraulic pump body 1, a heat dissipation structure 2, a U-shaped rod 24, a support mounting structure 3 and a leakage receiving structure 4, where the heat dissipation structure 2 is connected to the hydraulic pump body 1, the heat dissipation structure 2 includes a semicircular ring 21, a first gear 22, a fan blade 23, a U-shaped rod 24, a rotation shaft 25, a locking bolt 26, a second gear 27 and a convex plate 29, two semicircular rings 21 symmetrically arranged are arranged on an outer side surface of the hydraulic pump body 1, the outer side surface of the semicircular ring 21 is connected to the two U-shaped rods 24 symmetrically arranged, and an S-shaped channel 211 is arranged inside the semicircular ring 21; the S-shaped channel 211 is beneficial to one end of the U-shaped rod 24 to be provided with a limiting ring 241 in the process of rotating the internal fan blade 23; the limiting ring 241 limits the output shaft of the hydraulic pump body, and at the same time, the S-shaped channel 211 is used for realizing good heat dissipation inside the hydraulic pump body 1, and at the same time, external dust can be prevented from entering the inside of the hydraulic pump body 1, the first gear 22 is installed on the outer side wall of the output end of the hydraulic pump body 1, the other end of the U-shaped rod 24 is close to the side wall of the hydraulic pump body 1 and is rotatably connected with the rotating shaft 25, the second gear 27 meshed with the first gear 22 is installed on the rotating shaft 25, the fan blade 23 is connected with the other end of the rotating shaft 25, the outer side walls of the two ends of the semicircular ring 21 are respectively connected with the convex plate 29, the threaded holes matched with the locking bolts 26 are arranged inside the convex plate 29, the thread directions of the two threaded holes are opposite, it should be noted that, by opening the hydraulic pump body 1, the, the wind energy can be generated to blow away heat around the hydraulic pump body 1, and the working process can also reduce dust on the surface of the hydraulic pump body 1 and pile up, the two semicircular rings 21 are symmetrically arranged and sleeved on the top of the hydraulic pump body 1, the locking bolt 26 is screwed in again, the surface fixing with the hydraulic pump body 1 is completed, and the installation of the heat dissipation structure 2 is ensured.

Referring to fig. 1, the lateral wall of the semicircular ring 21 is provided with a plurality of through holes 28, and the lateral wall of the semicircular ring 21 is embedded with a rubber pad, it should be noted that the through holes 28 better allow air to circulate, so as to improve the heat dissipation effect, and the rubber pad can increase the clamping firmness of the semicircular ring 21.

Referring to fig. 1 and 2, support mounting structure 3 and connect in hydraulic pump body 1, support mounting structure 3 and include bent shape backup pad 31 and arc die-pin 32, a plurality of arc die-pin 32 is connected to 1 bottom lateral surface of hydraulic pump body, and two bent shape backup pads 31 are connected to arc die-pin 32 lateral wall, and bent shape backup pad 31 horizontal plane is equipped with mounting hole 33, reserves support mounting structure 3 for hydraulic pump body 1.

Referring to fig. 1, the length of the curved support plate 31 extending horizontally out of the hydraulic pump body 1 is greater than the length of the U-shaped bar 24 extending out of the hydraulic pump body 1.

Referring to fig. 1, the leakage receiving structure 4 is connected to the hydraulic pump body 1, the leakage receiving structure 4 includes a transparent leakage receiving box 41, a triangular dust-blocking pad 42 and a cover box 43, an oil inlet and an oil outlet of the hydraulic pump body 1 respectively penetrate through the rear side of the cover box 43 and the cover box 43 is fixedly connected, the transparent leakage receiving box 41 is installed at the bottom of the cover box 43, a circular groove 47 matching with the oil port is formed in the front end surface of the cover box 43, the side wall of the circular groove 47 is connected with a plurality of triangular dust-blocking pads 42 surrounding the circular groove, it should be noted that an access pipeline penetrates through the circular groove 47 and is connected with the oil inlet and the oil outlet respectively, the triangular dust-blocking pad 42 is connected to the circular groove 47, so that the leakage receiving structure is not used, external dust can be prevented from falling in, when the oil inlet and the oil outlet are connected to the pipeline, whether the oil leaks can be visually, change the sealing washer, and spill the oil and do not drip on hydraulic pump body 1 surface, can connect the hourglass through transparent hourglass box 41, prevent that hydraulic pump body 1 surface from piling up the oil stain and being difficult to wash, elasticity rectangular board 46 is connected respectively to transparent hourglass box 41 top both sides wall, the other end of elasticity rectangular board 46 is filled in inside and lateral surface lug 44 of cover box 43, cover box 43 both sides face distribute be equipped with lug 44 assorted press down dead slot 45, it is required to explain, lift its transparent hourglass box 41 through a hand, press two lugs 44 through a hand, can let the interval distance reduce between two elasticity rectangular board 46 tops, thereby can let lug 44 shift out from the inside of pressing down dead slot 45, can dismantle its transparent hourglass box 41 that connects, pour out the clearance with collecting the oil leak.

The working principle is as follows: by opening the hydraulic pump body 1, the four rotating shafts 25 are driven to rotate through the meshing action of the first gear 22 and the second gear 27, so that the fan blades 23 can rotate, the generated wind can blow away heat around the hydraulic pump body 1, dust accumulation on the surface of the hydraulic pump body 1 can be reduced in the working process, the two semicircular rings 21 are symmetrically arranged and sleeved on the top of the hydraulic pump body 1, the locking bolts 26 are screwed in to finish surface fixing with the hydraulic pump body 1, the installation of the heat dissipation structure 2 is ensured, when an oil leakage situation is generated when an oil inlet and an oil outlet are connected into a pipeline, whether the oil leakage happens can be visually known through the transparent leakage receiving box 41, after the oil leakage is confirmed, the connecting conduit is disassembled and the sealing ring is replaced, the leaked oil does not drip on the surface of the hydraulic pump body 1, the leakage can be received through the transparent leakage receiving box 41, the oil accumulated on the surface of the hydraulic pump, the distance between the top ends of the two elastic long strips 46 can be reduced by pressing the two lugs 44 with one hand, so that the lugs 44 can be moved out from the inside of the pressing empty grooves 45, the transparent leakage receiving box 41 can be detached, and the collected leaked oil can be poured out and cleaned.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A direct-drive hydraulic pump is characterized by comprising a hydraulic pump body (1), a heat dissipation structure (2), a support mounting structure (3) and a leakage receiving structure (4), wherein the heat dissipation structure (2) is connected to the hydraulic pump body (1), the heat dissipation structure (2) comprises a semicircular ring (21), a first gear (22), a fan blade (23), a U-shaped rod (24), a rotating shaft (25), a locking bolt (26), a second gear (27) and a convex plate (29), the outer side surface of the hydraulic pump body (1) is provided with two symmetrically-arranged semicircular rings (21), the outer side surface of each semicircular ring (21) is connected with the two symmetrically-arranged U-shaped rods (24), the U-shaped rods (24) are arranged on the outer side wall of the output end of the hydraulic pump body (1), the other end of each U-shaped rod (24) is close to the side wall of the hydraulic pump body (1) and is, a second gear (27) meshed with the first gear (22) is mounted on the rotating shaft (25), the other end of the rotating shaft (25) is connected with a fan blade (23), the outer side walls of the two ends of the semicircular ring (21) are respectively connected with a convex plate (29), a threaded hole matched with the locking bolt (26) is formed in the convex plate (29), and the thread directions of the two threaded holes are opposite; an S-shaped channel (211) is arranged inside the semicircular ring (21); one end of the U-shaped rod (24) is provided with a limiting ring (241); the support mounting structure (3) is connected to the hydraulic pump body (1); the leakage receiving structure (4) is connected to the hydraulic pump body (1).

2. The direct-drive hydraulic pump according to claim 1, characterized in that the side wall of the semicircular ring (21) is provided with a plurality of through holes (28), and a rubber pad is embedded in the side wall of the semicircular ring (21).

3. The direct-drive hydraulic pump according to claim 1, characterized in that the supporting and mounting structure (3) comprises a curved support plate (31) and an arc-shaped support rod (32), the outer side surface of the bottom of the hydraulic pump body (1) is connected with a plurality of arc-shaped support rods (32), the outer side wall of each arc-shaped support rod (32) is connected with two curved support plates (31), and a mounting hole (33) is formed in the horizontal plane of each curved support plate (31).

4. A direct drive hydraulic pump according to claim 3, characterized in that the length of the curved support plate (31) extending horizontally out of the hydraulic pump body (1) is greater than the length of the U-shaped bar (24) extending out of the hydraulic pump body (1).

5. The direct-drive hydraulic pump according to claim 1, wherein the leakage receiving structure (4) comprises a transparent leakage receiving box (41), a triangular dust blocking pad (42) and a cover box (43), an oil inlet and an oil outlet of the hydraulic pump body (1) respectively penetrate through the rear side face of the cover box (43) and the cover box (43) is fixedly connected, the transparent leakage receiving box (41) is installed at the bottom of the cover box (43), a circular groove (47) matched with the oil inlet is formed in the front end face of the cover box (43), and the side wall of the circular groove (47) is connected with a plurality of triangular dust blocking pads (42) which are arranged in a surrounding mode.

6. The direct-drive hydraulic pump according to claim 5, wherein two side walls of the top of the transparent leak receiving box (41) are respectively connected with an elastic strip plate (46), the other end of the elastic strip plate (46) is plugged into the cover box (43) and has a convex block (44) on the outer side, and two side surfaces of the cover box (43) are respectively provided with a pressing empty groove (45) matched with the convex block (44).