Hydraulic motor front cover with heat dissipation channel

Abstract

The utility model relates to the technical field of hydraulic motors, and discloses a hydraulic motor front cover with a heat dissipation channel, which comprises a cover plate, an outer check ring and an inner check ring are respectively arranged at the top end of the cover plate, a heat dissipation cavity is arranged between the outer check ring and the inner check ring, a cooling pipe is arranged in the heat dissipation cavity, and a heat dissipation channel is arranged in the cooling pipe. A plurality of baffle plates are arranged in the cooling pipe, a plurality of fins are arranged at the top end of the cooling pipe, and limiting assemblies for limiting the cooling pipe are arranged on the two sides of the top end of the cooling pipe. The cooling pipe can be contained through the heat dissipation cavity, cooling water is supplied through the conical pipe, flowing of the cooling water in the cooling pipe can be guaranteed, the cooling water reaches the cooling pipe, the baffle plate can guide the cooling water, the flowing path of the cooling water is prolonged, and the cooling water can absorb heat in the hydraulic motor through the cooling pipe; and heat in the hydraulic motor can be dissipated through the heat dissipation cavity.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic motors, in particular to a hydraulic motor front cover with a heat dissipation channel. Background Art

[0002] A hydraulic motor is an actuator in a hydraulic system. It converts the liquid pressure energy provided by a hydraulic pump into mechanical energy (torque and speed) of its output shaft. Liquid is the medium for transmitting force and motion. It is mainly used in injection molding machinery, ships, hoists, engineering machinery, construction machinery, coal mining machinery, mining machinery, metallurgical machinery, marine machinery, petrochemical industry, port machinery, etc.

[0003] Its application number is "201922308631.0" disclosed "a hydraulic motor front cover structure", which "includes a front cover body, countersunk screws are symmetrically fixed on the inner side of the outer edge of the front cover body, a base is fixed to the bottom of the rear end of the front cover body, a first sealing strip and a second sealing strip are fixed on both sides of the base, an external thread is opened on the outer side of the rear end of the front cover body, an outer shell is fixed to the outside of the front cover body, an internal thread is opened on the inner side of the front end of the outer shell, a deep groove ball bearing is fixed to the side of the step inside the outer shell, the inner ring of the deep groove ball bearing is sleeved with the output shaft, a dust ring is fixed on the outside of the connection between the front cover body and the output shaft, a skeleton oil seal is pressed into the inside of the connection between the front cover body and the output shaft, and an elastic retaining ring is fixed to the outside of the deep groove ball bearing. In this hydraulic motor front cover structure, the front cover body and the outer shell have a double fixed connection, a two-way sealing connection, and a good sealing effect.

[0004] However, the above method still has the following defects: the front cover body can be fixed by countersunk screws and sealed with sealing strips, but the structure is compact and occupies more heat dissipation space, making it difficult to effectively dissipate heat inside the hydraulic motor and easily leading to heat accumulation. Utility Model Content

[0005] In view of the deficiencies of the prior art, the present invention provides a hydraulic motor front cover with a heat dissipation channel, which has the advantage of facilitating effective heat dissipation inside the hydraulic motor and solves the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a hydraulic motor front cover with a heat dissipation channel, comprising a cover plate, an outer retaining ring and an inner retaining ring are respectively provided at the top end of the cover plate, a heat dissipation cavity is provided between the outer retaining ring and the inner retaining ring, a cooling pipe is provided inside the heat dissipation cavity, a plurality of baffles are provided inside the cooling pipe, a plurality of fins are provided at the top end of the cooling pipe, limiting components for limiting the cooling pipe are provided on both sides of the top end, conduits are provided on both sides of the bottom end of the cooling pipe, a tapered pipe is provided at the bottom end of the conduit, and a reinforcement component for reinforcing the cooling pipe is provided on the surface of the conduit.

[0007] As an optimal technical solution of the present invention, the limiting assembly includes a support and a limiting block, the bottom end of the support is connected to the top end of the cooling pipe, the support is slidably connected to a telescopic rod, the surface of the telescopic rod is provided with a spring, one end of the support is fixedly connected to one side of the limiting block, and the inner wall of the outer retaining ring is provided with a limiting groove that engages with the limiting block.

[0008] As an optimal technical solution of the present invention, through holes are provided on both sides of the support, and the telescopic rod is slidably connected to the support through the through holes. A damping rubber ring is provided inside the through hole, and the damping rubber ring is sleeved on the surface of the telescopic rod. A retaining ring for limiting the spring is fixed on one side of the telescopic rod, and a push rod is provided on the top of the retaining ring. The top of the support is provided with a rod groove slidably connected to the push rod.

[0009] As a preferred technical solution of the present invention, a plurality of mounting holes are provided at the bottom end of the cover plate, screw threads are provided at the bottom of the cover plate, a groove is provided at the top of the cover plate, and a sealing gasket is snap-connected inside the groove.

[0010] As a preferred technical solution of the present invention, an axial hole is opened in the middle of the bottom end of the cover plate, the axial hole is coaxial with the cooling pipe, and a dust ring is snap-connected to the bottom of the axial hole.

[0011] As an optimal technical solution of the present invention, the reinforcement component includes a ferrule, which is engaged with the surface of the catheter, the bottom end of the ferrule is threadedly connected to a threaded tube, the tapered tube is engaged with the inside of the threaded tube, and the bottom end of the threaded tube is provided with a rotating cap, and the surface of the rotating cap is provided with anti-slip ridges.

[0012] As a preferred technical solution of the present invention, the bottom end of the tapered tube is connected with a joint, the middle part of the bottom end of the rotating cap is provided with an insertion hole, and the joint is inserted and connected with the insertion hole.

[0013] As a preferred technical solution of the present invention, pipe grooves are provided on both sides of the bottom end of the cover plate, a sealing ring is snap-connected inside the pipe groove, and the conduit is connected to the pipe groove through insertion.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The cooling pipe can be accommodated through the heat dissipation cavity, and cooling water is supplied through the tapered pipe to ensure the flow of cooling water inside the cooling pipe. When the cooling water reaches the cooling pipe, the baffle can guide the cooling water, extending its flow path. The cooling water can absorb the heat inside the hydraulic motor through the cooling pipe and dissipate the heat inside the hydraulic motor through the heat dissipation cavity. The fins increase the contact area between the cooling pipe and the air, thereby improving the heat dissipation effect and preventing heat accumulation inside the hydraulic motor.

[0016] 2. The inner retaining ring can limit the oil seal, and the inner retaining ring and the outer retaining ring can prevent the cooling pipe from moving horizontally. The limiting component can limit the cooling pipe to facilitate its installation. The reinforcement component can reinforce the cooling pipe and improve its stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the structural diagrams of the present utility model;

[0018] Figure 2 This is the second structural diagram of the present utility model;

[0019] Figure 3 This is a schematic diagram of the explosion structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the cooling pipe of the present invention;

[0021] Figure 5 This is a schematic structural diagram of the limit assembly of the utility model;

[0022] Figure 6 This is a structural diagram of the reinforcement component of the utility model.

[0023] In the figure: 1. Cover plate; 2. Mounting hole; 3. Thread; 4. Outer retaining ring; 5. Inner retaining ring; 6. Heat dissipation cavity; 7. Cooling pipe; 8. Limiting assembly; 801. Support; 802. Telescopic rod; 803. Spring; 804. Retaining ring; 805. Push rod; 806. Limiting block; 807. Damping rubber ring; 808. Rod groove; 9. Conduit; 10. Conical tube; 11. Joint; 12. Baffle; 13. Fin; 14. Limiting groove; 15. Tube groove; 16. Sealing ring; 17. Reinforcement assembly; 1701. Ferrule; 1702. Threaded tube; 1703. Rotating cap; 1704. Through hole; 18. Groove; 19. Sealing gasket; 20. Shaft hole; 21. Dust ring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figures 1 to 6 The front cover of the hydraulic motor with a heat dissipation channel includes a cover plate 1, an outer retaining ring 4 and an inner retaining ring 5 are welded to the top of the cover plate 1, a heat dissipation cavity 6 is provided between the outer retaining ring 4 and the inner retaining ring 5, a cooling tube 7 is provided inside the heat dissipation cavity 6, a plurality of baffles 12 are fixed inside the cooling tube 7, a plurality of fins 13 are welded to the top of the cooling tube 7, a limit assembly 8 is provided on both sides of the top of the cooling tube 7 to limit it, a guide tube 9 is welded on both sides of the bottom of the cooling tube 7, and a tapered tube 10 is provided at the bottom of the guide tube 9. The surface of the conduit 9 is provided with a reinforcement component 17 for reinforcing the cooling pipe 7. The inner retaining ring 5 can limit the oil seal. The inner retaining ring 5 cooperates with the outer retaining ring 4 to prevent the cooling pipe 7 from moving horizontally. The heat dissipation cavity 6 can accommodate the cooling pipe 7. The tapered tube 10 can ensure the flow of cooling water inside the cooling pipe 7. When the cooling water reaches the cooling pipe 7, the baffle 12 can guide the cooling water and extend its flow path. The cooling water can absorb the heat inside the hydraulic motor through the cooling pipe 7 and dissipate heat inside it.

[0026] In this embodiment, preferably, the limiting assembly 8 includes a support 801 and a limiting block 806. The bottom end of the support 801 is connected to the top end of the cooling tube 7. The support 801 is slidably connected to the telescopic rod 802. The surface of the telescopic rod 802 is sleeved with a spring 803. One end of the support 801 is fixedly connected to one side of the limiting block 806. The inner wall of the outer retaining ring 4 is provided with a limiting groove 14 engaged with the limiting block 806. Through holes are provided on both sides of the support 801. The telescopic rod 802 is slidably connected to the support 801 through the through holes. A damping rubber ring 807 is provided inside the through hole. The damping rubber ring 807 is sleeved with the surface of the telescopic rod 802. The telescopic rod 8 A retaining ring 804 is fixed on one side of 02 for limiting the spring 803. A push rod 805 is provided on the top of the retaining ring 804. A rod groove 808 is provided on the top of the support 801 to be slidably connected to the push rod 805. The push rod 805 pushes the retaining ring 804 to compress the spring 803, which can drive the limiting block 806 to contract, so that the cooling pipe 7 can be placed in the heat dissipation cavity 6. By loosening the push rod 805, the spring 803 can push the limiting block 806 into the limiting groove 14 of the outer retaining ring 4 to fix the cooling pipe 7. The push rod 805 can be guided by the rod groove 808, and the stability of the push rod 805 can be ensured by the damping rubber ring 807.

[0027] In this embodiment, preferably, the reinforcement component 17 includes a ferrule 1701, which is engaged with the surface of the conduit 9, and the bottom end of the ferrule 1701 is threadedly connected with a threaded tube 1702, and the tapered tube 10 is engaged with the inside of the threaded tube 1702. The bottom end of the threaded tube 1702 is provided with a rotating cap 1703, and the surface of the rotating cap 1703 is provided with an anti-slip convex strip. The bottom end of the tapered tube 10 is connected with a joint 11, and the middle part of the bottom end of the rotating cap 1703 is provided with an insertion hole 1704. The joint 11 is inserted and connected with the insertion hole 1704. The threaded tube 1702 is rotated by rotating the cap 1703 to connect it to the ferrule 1701, so that the joint 11 can pass through the pipe groove 15. The ferrule 1701 and the threaded tube 1702 can limit the conduit 9 and the tapered tube 10, thereby improving the stability of the cooling tube 7.

[0028] In this embodiment, preferably, a plurality of mounting holes 2 are provided at the bottom end of the cover plate 1, and screw threads 3 are provided at the bottom of the cover plate 1. The cover plate 1 can be fixed to the housing of the hydraulic motor through the mounting holes 2 and the screw threads 3. A groove 18 is provided at the top of the cover plate 1, and a sealing gasket 19 is connected to the inside of the groove 18. An axial hole 20 is provided in the middle of the bottom end of the cover plate 1, and the axial hole 20 is coaxial with the cooling pipe 7. A dust ring 21 is connected to the bottom of the axial hole 20. Pipe grooves 15 are provided on both sides of the bottom end of the cover plate 1, and a sealing ring 16 is connected to the inside of the pipe groove 15. The conduit 9 is connected to the pipe groove 15 through an insertion connection. The cover plate 1 can be sealed by the sealing gasket 19, the dust ring 21 can prevent dust from entering through the axial hole 20, and the pipe groove 15 and the conduit 9 can be sealed by the sealing ring 16.

[0029] When in use, first push the push rods 805 of the two limit assemblies 8 in the opposite direction, so that the retaining ring 804 compresses the spring 803, driving the limit block 806 to shrink, and the cooling pipe 7 is placed in the heat dissipation cavity 6, and then loosen the push rod 805, and the spring 803 can push the limit block 806 into the limit groove 14 of the outer retaining ring 4, so as to fix the cooling pipe 7. After the cooling pipe 7 is placed, the joint 11 can pass through the pipe groove 15, and then the clamping sleeve 1701 of the reinforcement assembly 17 is passed through the joint 11 to make it engage with the conduit 9, and then the rotating cap 1703 is rotated to engage with the tapered tube 10. The clamping sleeve 1701 and the threaded tube 1702 can limit the conduit 9 and the tapered tube 10, which can improve the stability of the cooling pipe 7. Finally, the shaft of the hydraulic motor passes through the shaft hole 20, and the cover plate 1 is fixed to the housing of the hydraulic motor through the mounting hole 2. The inner retaining ring 5 can limit the oil seal of the shaft;

[0030] After the cover plate 1 is installed, the sealing gasket 19 and the sealing ring 16 can play a sealing role, and the dust ring 21 can prevent the entry of dust. When the hydraulic motor is working, cooling water is supplied through the tapered tube 10 to ensure the flow of cooling water inside the cooling pipe 7. After the cooling water reaches the cooling pipe 7, the baffle 12 can divert the cooling water, extending its flow path. The cooling water can absorb the heat inside the hydraulic motor through the cooling pipe 7 and can dissipate heat to the inside of the hydraulic motor through the heat dissipation cavity 6. The fins 13 increase the contact area between the cooling pipe 7 and the air, thereby improving the heat dissipation effect, thereby cooling the interior of the cooling motor.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic motor front cover with a heat dissipation channel, comprising a cover plate (1), characterized in that: The top of the cover plate (1) is provided with an outer retaining ring (4) and an inner retaining ring (5), a heat dissipation cavity (6) is provided between the outer retaining ring (4) and the inner retaining ring (5), a cooling pipe (7) is provided inside the heat dissipation cavity (6), a plurality of baffles (12) are provided inside the cooling pipe (7), a plurality of fins (13) are provided at the top of the cooling pipe (7), both sides of the top of the cooling pipe (7) are provided with a limit assembly (8) for limiting the cooling pipe (7), both sides of the bottom of the cooling pipe (7) are provided with a conduit (9), the bottom of the conduit (9) is provided with a tapered tube (10), and the surface of the conduit (9) is provided with a reinforcement assembly (17) for reinforcing the cooling pipe (7).

2. The hydraulic motor front cover with heat dissipation channel according to claim 1, characterized in that: The limiting assembly (8) includes a support (801) and a limiting block (806), the bottom end of the support (801) is connected to the top end of the cooling tube (7), the support (801) is slidably connected to a telescopic rod (802), the surface of the telescopic rod (802) is provided with a spring (803), one end of the support (801) is fixedly connected to one side of the limiting block (806), and the inner wall of the outer retaining ring (4) is provided with a limiting groove (14) engaged with the limiting block (806).

3. The hydraulic motor front cover with heat dissipation channel according to claim 2, characterized in that: Through holes are provided on both sides of the support (801), and the telescopic rod (802) is slidably connected to the support (801) through the through holes. A damping rubber ring (807) is provided inside the through hole, and the damping rubber ring (807) is sleeved on the surface of the telescopic rod (802). A retaining ring (804) for limiting the spring (803) is fixed on one side of the telescopic rod (802), and a push rod (805) is provided on the top of the retaining ring (804). A rod groove (808) slidably connected to the push rod (805) is provided on the top of the support (801).

4. The hydraulic motor front cover with heat dissipation channel according to claim 1, characterized in that: The bottom end of the cover plate (1) is provided with a plurality of mounting holes (2), the bottom of the cover plate (1) is provided with screw threads (3), the top of the cover plate (1) is provided with a groove (18), and the interior of the groove (18) is snap-connected with a sealing gasket (19).

5. The hydraulic motor front cover with heat dissipation channel according to claim 1, characterized in that: An axial hole (20) is provided in the middle of the bottom end of the cover plate (1), the axial hole (20) is coaxial with the cooling pipe (7), and a dust ring (21) is snap-connected to the bottom of the axial hole (20).

6. The hydraulic motor front cover with heat dissipation channels according to claim 1, characterized in that: The reinforcement component (17) includes a ferrule (1701), the ferrule (1701) is snap-fitted to the surface of the catheter (9), the bottom end of the ferrule (1701) is threadedly connected to a threaded tube (1702), the conical tube (10) is snap-fitted to the inside of the threaded tube (1702), the bottom end of the threaded tube (1702) is provided with a rotating cap (1703), and the surface of the rotating cap (1703) is provided with anti-slip ridges.

7. The hydraulic motor front cover with heat dissipation channels according to claim 6, characterized in that: The bottom end of the conical tube (10) is connected to a joint (11), and a through hole (1704) is provided in the middle of the bottom end of the rotating cap (1703), and the joint (11) is connected to the through hole (1704) through insertion.

8. The hydraulic motor front cover with heat dissipation channels according to claim 1, characterized in that: Both sides of the bottom end of the cover plate (1) are provided with pipe grooves (15), the interior of the pipe groove (15) is snap-connected with a sealing ring (16), and the conduit (9) is connected to the pipe groove (15) through insertion.

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