CN214743249U

CN214743249U - Power transmission mechanism

Info

Publication number: CN214743249U
Application number: CN202120751594.5U
Authority: CN
Inventors: 杜妮
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-16
Anticipated expiration: 2031-04-13

Abstract

The utility model provides a power transmission mechanism, which comprises a cooling component, wherein the cooling component is detachably arranged on a casing so as to realize the cooling of the power transmission mechanism; the cooling assembly comprises a cooling transmission gear and a fan connected with the cooling transmission gear through a connecting assembly, and the connecting assembly comprises a clamping assembly rotatably connected with the machine shell and an elastic assembly connected with one end of the fan, so that the fan and the cooling transmission gear are fixed. The utility model can freely select whether to install the cooling component or not according to the environmental temperature by arranging the detachable cooling component, thereby increasing the application range and the safety of the internal transmission component; through the matching of the locking groove and the sliding block, the locking rod is connected with the locking hole and the threaded hole in a threaded manner, the detachable connection of the fan and the casing is realized, and the tightness of the power transmission mechanism is ensured.

Description

Power transmission mechanism

Technical Field

The utility model relates to a transmission technical field, concretely relates to power transmission mechanism.

Background

In the building work progress, speed reducer and motor often can be used, but integral type gear motor among the prior art generally places cooling system inside equipment to do not benefit to the heat transfer of equipment, and under the lower condition of external environment temperature, still can cool off equipment, make the temperature of equipment continuously reduce, easily cause freezing of the inside device of equipment, be unfavorable for the continuation work of equipment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a technical scheme is: a power transmission mechanism comprises a detachable casing, wherein a motor stator and a motor rotor are arranged in the casing, a first transmission assembly is fixedly connected to the center of the motor rotor, the first transmission assembly is in transmission connection with a second transmission assembly, two ends of the second transmission assembly are in transmission connection with an output transmission assembly and a cooling assembly respectively, and the cooling assembly is detachably arranged on the casing to realize cooling of the power transmission mechanism;

one end of the first transmission assembly is sleeved with a brake assembly to realize braking of the power transmission mechanism;

the cooling assembly comprises a cooling transmission gear in transmission connection with the second transmission assembly and a fan connected with the cooling transmission gear through a connecting assembly, and the connecting assembly comprises a clamping assembly connected with the shell in a rotating mode and an elastic assembly connected with one end of the fan, so that the fan and the cooling transmission gear are fixed.

Preferably, the casing is including dismantling motor end cover, chassis and the output end cover that sets up, motor stator fixed mounting is on chassis and motor end cover, electric motor rotor passes through the bearing and rotates and install on chassis and motor end cover, and this dismantlement mode is prior art, no longer gives details here.

The clamping assembly comprises a first bearing fixedly connected with the shell, a clamping ring is fixedly connected to the outer side of the first bearing, sliding grooves are symmetrically formed in one side of the clamping ring, locking grooves are formed in one side of each sliding groove, and the depth of each locking groove is larger than that of each sliding groove.

Preferably, the cross section of the sliding groove is in a convex shape.

The inner side of the locking groove is provided with a locking hole, and a thread is arranged in the locking hole.

The clamping assembly further comprises a locking rod, and threads matched with the threads of the locking hole are arranged on the locking rod.

Two the elastic component symmetry sets up respectively in the inboard of fan one end, the position of elastic component and chucking subassembly's position phase-match.

The elastic component comprises a sliding block matched with the locking groove, the sliding block is fixedly connected with the inside of the fan through a spring, and a through hole matched with the locking hole is formed in the middle of the sliding block.

The one end of sliding block is fixedly connected with slip sleeve still, slip sleeve and fan sliding connection, the fan inboard still be provided with sliding block assorted holding tank, be provided with the screw hole on the fan respectively, the screw thread of screw hole and the screw thread phase-match of check lock lever, screw thread hole position and through-hole position phase-match.

Preferably, the sliding sleeve is provided with a pulling ring on the outer side, the sliding sleeve is convenient to move due to the pulling ring, the sliding sleeve is prevented from sliding into the fan, and limiting is achieved.

The first transmission assembly comprises a first rotating shaft fixedly installed at the center of the motor rotor, a first transmission gear is fixedly installed at one end of the first rotating shaft, and the first transmission gear is connected with a second transmission assembly in a meshed mode.

Preferably, the power transmission mechanism is further provided with a frequency converter for realizing the speed change of the power transmission mechanism, and the frequency converter is the prior art and is not described herein again.

The second transmission assembly comprises a second transmission gear meshed with the first transmission gear, a second rotating shaft is fixedly connected to the center of the second transmission gear, a third transmission gear is further arranged on the second rotating shaft, and the third transmission gear is respectively meshed with an output transmission assembly and a cooling assembly.

The third transmission gear is respectively connected with a fourth transmission gear of the output transmission assembly and a cooling transmission gear of the cooling assembly in a meshed mode, a third rotating shaft is fixedly connected to the center of the fourth transmission gear, and one end of the third rotating shaft is connected with a transmission output end to achieve power output.

Preferably, both ends of the first rotating shaft, the second rotating shaft and the third rotating shaft are rotatably connected with the casing through bearings.

Preferably, the brake assembly is a brake, and the brake is the prior art and is not described herein again.

Preferably, the third rotating shaft is rotatably mounted on the output end cover through a bearing.

Preferably, power transmission mechanism still include with the sealed lid of chucking subassembly assorted, the one end of sealed lid be provided with chucking ring assorted sealing ring, the internal diameter of sealing ring with the external diameter phase-match of chucking ring, the inboard of sealing ring still is provided with sealed piece, the size and sliding tray and the locking recess phase-match of sealed piece, the height of sealed piece and the high phase-match of sliding tray, be provided with on the sealed piece with locking hole position assorted seal hole, be provided with in the seal hole with the locking lever assorted screw thread.

The utility model has the advantages and positive effects that:

(1) the utility model discloses a set up detachable cooling module, realized according to ambient temperature, whether the cooling module is installed to the free choice, increased application scope, increased inside transmission assembly's security.

(2) The utility model discloses a matching of locking recess and sliding block, the check lock lever has realized being connected of dismantling of fan and casing with the threaded connection of locking hole and screw hole, has guaranteed power transmission mechanism's seal.

(3) The utility model discloses a mutual transmission of first drive assembly, second drive assembly and output drive assembly and detachable cooling module for the transmission chain is simple, transmission efficiency increases, has reduceed transmission cost.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an overall structural view of a power transmission mechanism of the present invention;

fig. 2 is a schematic structural view of a connecting assembly of a power transmission mechanism according to the present invention;

fig. 3 is a cross-sectional view of a clamping assembly of a power transmission mechanism of the present invention;

fig. 4 is a cross-sectional view of the resilient component of a power transmission mechanism of the present invention;

fig. 5 is an assembled cross-sectional view of a coupling assembly of a power transmission mechanism of the present invention;

fig. 6 is a schematic structural view of a seal cover of a power transmission mechanism according to the present invention;

in the figure:

1, a machine shell, 11, a motor end cover, 12, a chassis, 13, an output end cover, 2, a motor stator, 3, a motor rotor, 4, a first transmission assembly, 41, a first rotating shaft, 42, a first transmission gear, 5, a second transmission assembly, 51, a second transmission gear, 52, a second rotating shaft, 53, a third transmission gear, 6, an output transmission assembly, 61, a fourth transmission gear, 62, a third rotating shaft, 63, a transmission output end, 7, a cooling assembly, 71, a cooling transmission gear, 72, a fan, 73, a connecting assembly, 731, a clamping assembly, 7311, a first bearing, 7312, a clamping ring, 7313, a sliding groove, 7314, a locking groove, 7315, a locking hole, 7316, a locking rod, 732, an elastic assembly, 7321, a sliding block, 7322, a through hole, 7323, a sliding sleeve, 7324, a receiving groove, 7325, a threaded hole, 7326, a pulling ring, 8, a braking assembly, 9, sealing cover, 91, sealing ring, 92, sealing block, 93, sealing hole.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 2, the utility model provides a power transmission mechanism, including a detachable casing 1, a motor stator 2 and a motor rotor 3 are arranged in the casing 1, a first transmission component 4 is fixedly connected to the center of the motor rotor 3, a second transmission component 5 is connected to the first transmission component 4 in a transmission manner, two ends of the second transmission component 5 are respectively connected with an output transmission component 6 and a cooling component 7 in a transmission manner, and the cooling component 7 is detachably arranged on the casing 1 to realize cooling of the power transmission mechanism;

one end of the first transmission component 4 is sleeved with a brake component 8 to realize the braking of the power transmission mechanism;

the cooling assembly 7 comprises a cooling transmission gear 71 in transmission connection with the second transmission assembly 5 and a fan 72 connected with the cooling transmission gear 71 through a connection assembly 73, and the connection assembly 73 comprises a clamping assembly 731 in rotation connection with the casing 1 and an elastic assembly 732 connected with one end of the fan 72, so that the fan 72 and the cooling transmission gear 71 are fixed.

As shown in fig. 1, in an embodiment, the casing 1 includes a motor end cover 11, an underframe 12 and an output end cover 13, which are detachably disposed, the motor stator 2 is fixedly mounted on the underframe 12 and the motor end cover 11, and the motor rotor 3 is rotatably mounted on the underframe 12 and the motor end cover 11 through a bearing, which is the prior art and is not described herein again.

As shown in fig. 3 and 5, the clamping assembly 731 includes a first bearing 7311 fixedly connected to the housing 1, a clamping ring 7312 fixedly connected to an outer side of the first bearing 7311, a sliding groove 7313 symmetrically formed at one side of the clamping ring 7312, and a locking groove 7314 formed at one side of the sliding groove 7313, wherein a depth of the locking groove 7314 is greater than a depth of the sliding groove 7313.

In an embodiment, the sliding groove 7313 has a convex cross section.

A locking hole 7315 is formed at the inner side of the locking groove 7314, and a screw thread is formed in the locking hole 7315.

The clamping assembly 731 further comprises a locking rod 7316, and the locking rod 7316 is provided with a thread matching with the thread of the locking hole 7315.

As shown in fig. 4 to 5, two elastic members 732 are symmetrically disposed inside one end of the fan 72, respectively, and the positions of the elastic members 732 match with the positions of the clamping members 731.

The elastic assembly 732 includes a sliding block 7321 matching with the locking groove 7314, the sliding block 7321 is fixedly connected with the inside of the fan 72 through a spring, and a through hole 7322 matching with the locking hole 7315 is provided in the middle of the sliding block 7321.

One end of the sliding block 7321 is further fixedly connected with a sliding sleeve 7323, the sliding sleeve 7323 is slidably connected with the fan 72, the inner side of the fan 72 is further provided with an accommodating groove 7324 matched with the sliding block 7321, the fan 72 is respectively provided with a threaded hole 7325, the threads of the threaded hole 7325 are matched with the threads of the locking rod 7316, and the position of the threaded hole 7325 is matched with the position of the through hole 7322.

In an embodiment, a pulling ring 7326 is disposed outside the sliding sleeve 7323, and the pulling ring 7326 is disposed to facilitate the movement of the sliding sleeve 7323, and prevent the sliding sleeve 7323 from sliding into the fan 72, so as to achieve the limiting.

As shown in fig. 1, the first transmission assembly 4 includes a first rotating shaft 41 fixedly installed at the center of the motor rotor 3, a first transmission gear 42 is fixedly installed at one end of the first rotating shaft 41, and the first transmission gear 42 is engaged with the second transmission assembly 5.

In an embodiment, the power transmission mechanism is further provided with a frequency converter for realizing speed change of the power transmission mechanism, and the frequency converter is prior art and is not described herein again.

The second transmission assembly 5 comprises a second transmission gear 51 meshed with the first transmission gear 42, a second rotating shaft 52 is fixedly connected to the center of the second transmission gear 51, a third transmission gear 53 is further arranged on the second rotating shaft 52, and the third transmission gear 53 is respectively meshed with the output transmission assembly 6 and the cooling assembly 7.

The third transmission gear 53 is respectively connected with a fourth transmission gear 61 of the output transmission assembly 6 and a cooling transmission gear 71 of the cooling assembly 7 in a meshing manner, a third rotating shaft 62 is fixedly connected to the center of the fourth transmission gear 61, and one end of the third rotating shaft 62 is connected with a transmission output end 63, so that power output is realized.

In the embodiment, the first rotating shaft 41, the second rotating shaft 52 and the third rotating shaft 62 are rotatably connected to the casing 1 through bearings at two ends.

In the embodiment, the brake assembly 8 is a brake, and the brake is a conventional brake, which is not described herein again.

In an embodiment, the third rotating shaft 62 is rotatably mounted on the output cover 13 through a bearing.

As shown in fig. 6, in an embodiment, the power transmission mechanism further includes a sealing cover 9 matching with the clamping assembly 731, a sealing ring 91 matching with the clamping ring 7312 is disposed at one end of the sealing cover 9, an inner diameter of the sealing ring 91 matches with an outer diameter of the clamping ring 7312, a sealing block 92 is further disposed inside the sealing ring 91, the sealing block 92 matches with the sliding groove 7313 and the locking groove 7314 in size, a height of the sealing block 92 matches with a height of the sliding groove 7313, a sealing hole 93 matching with the locking hole 7315 is disposed on the sealing block 92, and a thread matching with the locking rod 7316 is disposed in the sealing hole 93.

The utility model discloses a theory of operation and working process as follows:

when cooling is needed, the pulling rings 7326 at both ends of the fan 72 are pulled outward of the fan 72, so that the sliding sleeve 7323 slides outward in the opposite direction of the fan 72, the sliding block 7321 moves outward of the fan 72 along with the sliding sleeve 7323, the spring is compressed, the sliding block 7321 enters the accommodating groove 7324, the fan 72 is sleeved outside the fastening ring 7312, wherein the sliding block 7321 is matched with the sliding groove 7313, the fan 72 is rotated until the sliding block 7321 is matched with the locking groove 7314, the pulling ring 7326 is released, the sliding sleeve 7323 drives the sliding block 7321 to move inward of the fan 72 by the counterforce of the spring, and the locking rod 7316 passes through the threaded hole 25 of the fan 72, the through hole 22 of the sliding block 7321 and the locking hole 7315 in sequence, thereby locking the fan 72 and the housing 1;

when cooling is not needed, the locking rod 7316 is sequentially separated from the locking hole 7315, the through hole 7322 of the sliding block 7321 and the threaded hole 7325 of the fan 72, the pulling rings 7326 at the two ends of the fan 72 are pulled outward of the fan 72, so that the sliding sleeve 7323 slides outward in the opposite direction of the fan 72, the sliding block 7321 moves outward of the fan 72 along with the sliding sleeve 7323, the spring is compressed, the sliding block 7321 enters the accommodating groove 7324, the clamping ring 7312 is pulled to move away from the fan 72, wherein the sliding block 7321 is matched with the sliding groove 7313, the clamping ring 7312 slides out of the fan 72, the sealing cover 9 is sleeved outside the clamping ring 7312, the sealing cover 9 is rotated, the sealing block 92 is matched with the sliding groove 13, and the locking rod 7316 sequentially passes through the sealing hole 93 and the locking hole 7315, so as to lock the sealing cover 9 and the casing 1;

the motor rotor 3 rotates, the motor rotor 3 drives the first transmission gear 42 to rotate through the first rotating shaft 41, the first transmission gear 42 drives the second transmission gear 51 to rotate, the second transmission gear 51 drives the third transmission gear 53 to rotate through the second rotating shaft 52, the third transmission gear 53 drives the fourth transmission gear 61 to rotate, and the fourth transmission gear 61 drives the transmission output end 63 to rotate through the third rotating shaft 62, so that the output of a rotation variable is realized;

when cooling is needed, the third transmission gear 53 also drives the cooling transmission gear 71 to rotate, and the cooling transmission gear 71 drives the fan 72 to rotate through the first bearing 7311, so as to cool the power transmission mechanism.

The utility model is characterized in that: by arranging the detachable cooling assembly 7, whether the cooling assembly 7 is installed or not is freely selected according to the ambient temperature, the application range is enlarged, and the safety of an internal transmission assembly is improved; through the matching of the locking groove 7314 and the sliding block 7321, the locking rod 7316 is in threaded connection with the locking hole 7315 and the threaded hole 7325, the detachable connection of the fan 72 and the case 1 is realized, and the tightness of the power transmission mechanism is ensured; through the mutual transmission of the first transmission assembly 4, the second transmission assembly 5, the output transmission assembly 6 and the detachable cooling assembly 7, the transmission chain is simple, the transmission efficiency is increased, and the transmission cost is reduced.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The power transmission mechanism is characterized by comprising a detachable machine shell (1), wherein a motor stator (2) and a motor rotor (3) are arranged in the machine shell (1), a first transmission assembly (4) is fixedly connected to the center of the motor rotor (3), the first transmission assembly (4) is in transmission connection with a second transmission assembly (5), two ends of the second transmission assembly (5) are in transmission connection with an output transmission assembly (6) and a cooling assembly (7) respectively, and the cooling assembly (7) is detachably arranged on the machine shell (1) to cool the power transmission mechanism;

one end of the first transmission component (4) is sleeved with a brake component (8) to realize the braking of the power transmission mechanism;

the cooling assembly (7) comprises a cooling transmission gear (71) in transmission connection with the second transmission assembly (5) and a fan (72) connected with the cooling transmission gear (71) through a connecting assembly (73), the connecting assembly (73) comprises a clamping assembly (731) in rotation connection with the machine shell (1) and an elastic assembly (732) connected with one end of the fan (72), and the fan (72) is fixed with the cooling transmission gear (71).

2. The power transmission mechanism as claimed in claim 1, wherein the clamping assembly (731) comprises a first bearing (7311) fixedly connected to the housing (1), a clamping ring (7312) is fixedly connected to an outer side of the first bearing (7311), a sliding groove (7313) is symmetrically formed on one side of the clamping ring (7312), a locking groove (7314) is formed on one side of the sliding groove (7313), and a depth of the locking groove (7314) is greater than a depth of the sliding groove (7313).

3. The power transmission mechanism according to claim 2, wherein the locking groove (7314) is provided with a locking hole (7315) at an inner side thereof, and the locking hole (7315) is provided with a thread.

4. The power transmission mechanism as claimed in claim 1, wherein the clamping assembly (731) further comprises a locking rod (7316), and the locking rod (7316) is provided with a thread matching with the thread of the locking hole (7315).

5. A power transmission mechanism according to claim 1, wherein two said elastic members (732) are symmetrically disposed inside one end of the fan (72), respectively, and the position of said elastic members (732) matches the position of the clamping member (731).

6. A power transmission mechanism as claimed in claim 1, wherein the elastic member (732) comprises a sliding block (7321) matching with the locking groove (7314), the sliding block (7321) is fixedly connected with the inside of the fan (72) through a spring, and a through hole (7322) matching with the locking hole (7315) is arranged in the middle of the sliding block (7321).

7. The power transmission mechanism as claimed in claim 6, wherein a sliding sleeve (7323) is further fixedly connected to one end of the sliding block (7321), the sliding sleeve (7323) is slidably connected to the fan (72), an accommodating groove (7324) matching with the sliding block (7321) is further provided inside the fan (72), the fan (72) is respectively provided with a threaded hole (7325), the thread of the threaded hole (7325) matches with the thread of the locking rod (7316), and the position of the threaded hole (7325) matches with the position of the through hole (7322).

8. A power transmission mechanism according to claim 1, wherein the first transmission assembly (4) comprises a first rotating shaft (41) fixedly mounted at the center of the motor rotor (3), a first transmission gear (42) is fixedly mounted at one end of the first rotating shaft (41), and the first transmission gear (42) is engaged with the second transmission assembly (5).

9. The power transmission mechanism according to claim 1, wherein the second transmission assembly (5) comprises a second transmission gear (51) engaged with the first transmission gear (42), a second rotating shaft (52) is fixedly connected to the center of the second transmission gear (51), a third transmission gear (53) is further arranged on the second rotating shaft (52), and the third transmission gear (53) is engaged with the output transmission assembly (6) and the cooling assembly (7) respectively.

10. The power transmission mechanism according to claim 9, wherein the third transmission gear (53) is respectively engaged with a fourth transmission gear (61) of the output transmission assembly (6) and a cooling transmission gear (71) of the cooling assembly (7), a third rotating shaft (62) is fixedly connected to the center of the fourth transmission gear (61), and one end of the third rotating shaft (62) is connected with a transmission output end (63) to realize power output.