CN211259425U

CN211259425U - Transmission shaft electromagnetic speed reducer with cooling function

Info

Publication number: CN211259425U
Application number: CN201921942890.2U
Authority: CN
Inventors: 蔡鹏翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-14
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to a mechanical transmission field, concretely relates to take refrigerated transmission shaft electromagnetism decelerator, including box assembly, transmission shaft, electromagnetism speed reduction assembly and cooling assembly. The utility model discloses an in the box that will have the cooling assembly that snakelike or spiral cooling tube made integrated to electromagnetic reduction gear, utilize the cooling medium of circulation flow with airtight electromagnetic reduction gear's in the box electromagnetic core in the process of excitation produced a large amount of heat energy in the twinkling of an eye, transmit the equipment outside fast. The electromagnetic iron core, the bearing and the sealing element of the electromagnetic speed reducing device cooled by cooling are not easy to age or damage, so that the service life of the electromagnetic speed reducing device is prolonged.

Description

Transmission shaft electromagnetic speed reducer with cooling function

Technical Field

The utility model relates to a mechanical transmission field, concretely relates to take refrigerated transmission shaft electromagnetism decelerator.

Background

The electromagnetic speed reducer utilizes the action of electromagnetic force to reduce the speed of a transmission shaft of transmission equipment, and is widely applied to a plurality of transportation equipment due to non-contact and no abrasion. Because the environment that the electromagnetic speed reducing device is generally used is comparatively bad, the electromagnetic speed reducing mechanism is required to be arranged in the closed speed reducing box body. However, in the electromagnetic speed reduction, the electromagnetic coil wound on the electromagnetic core is electrified to form a magnetic field to prevent the transmission shaft from rotating, and in the excitation process, the electromagnetic core can generate a large amount of heat energy under the action of eddy current to quickly raise the temperature in the speed reduction box body, so that the electromagnetic core, the bearing and the sealing element of the electromagnetic speed reduction device are extremely easy to age or damage, and the service life of the electromagnetic speed reduction device is shortened.

SUMMERY OF THE UTILITY MODEL

For overcoming not enough among the prior art, the utility model discloses a take refrigerated transmission shaft electromagnetism decelerator, including box assembly, transmission shaft, electromagnetism speed reduction assembly and cooling assembly. The utility model discloses an in the box that will have the cooling assembly that snakelike or spiral cooling tube made integrated to electromagnetic reduction gear, utilize the cooling medium of circulation flow with airtight electromagnetic reduction gear's in the box electromagnetic core in the process of excitation produced a large amount of heat energy in the twinkling of an eye, transmit the equipment outside fast. The electromagnetic iron core, the bearing and the sealing element of the electromagnetic speed reducing device cooled by cooling are not easy to age or damage, so that the service life of the electromagnetic speed reducing device is prolonged. The utility model relates to a rationally, simple structure, low cost, facilitate promotion.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a take refrigerated transmission shaft electromagnetism decelerator, includes transmission shaft and electromagnetism speed reduction assembly, its characterized in that: the electromagnetic speed reduction device is characterized by further comprising a cooling assembly and a box body assembly, wherein the cooling assembly is composed of a continuously-through pipe body which can conduct heat and is coiled into a reciprocating shape and a pipe body inlet and outlet connecting port, flowable circulating cooling media can be injected into the pipe body through the inlet and outlet connecting port, clamping grooves capable of locking the pipe body of the cooling assembly are formed in the inner walls of the two sides of the end portion of the box body assembly, the cooling assembly is clamped and fixed on the inner walls of the two sides of the end portion of the box body assembly, the transmission shaft penetrates through the box body assembly and is supported by end covers and bearings at the two ends of the box body assembly, and the electromagnetic speed reduction assembly is arranged between the upper inner wall.

The cooling assembly comprises a cooling pipe, a cooling medium inlet and a cooling medium outlet, wherein the cooling pipe is a seamless copper pipe or aluminum pipe and is coiled into a snake shape or a spiral shape, and two ends of the cooling pipe are fixedly connected with the cooling medium inlet and the cooling medium outlet respectively.

The box assembly comprises a box body and end seal supporting bodies, wherein clamping grooves matched with a pipe body of the cooling assembly are formed in the inner walls of the two sides of the end portion of the box body, fixing holes matched with an inlet and outlet connector of the cooling assembly are formed in the top and the bottom of the box body respectively, each end seal supporting body comprises a bearing and a sealing piece, and the end seal supporting bodies are respectively in a left group and a right group and are locked at the left end and the right end of the box body.

The electromagnetic deceleration assembly comprises an electromagnet and a damping body, wherein the electromagnet is an electromagnet capable of generating a magnetic field by electrifying a coil, and the damping body is a metal ring made of ferromagnetic materials.

Further, the cooling pipe rigid coupling on the inner wall of box tip both sides, coolant entry and coolant export respectively the rigid coupling on the income export fixed orifices of the top of box and bottom, the electromagnet rigid coupling on inner wall about the box, damping body rigid coupling in the middle part of transmission shaft, the transmission shaft run through the box and support by the end seal supporter of its both ends lock solid.

And flanges are fixedly connected with two ends of the transmission shaft and are used for connecting a power end and a working end of the transmission equipment.

Two ends of the cooling assembly are connected in series with a self-contained refrigerating system of the transmission equipment, and a cooling medium is cooling oil or cooling water.

It can be seen from the above description that the utility model discloses a transmission shaft electromagnetic speed reducer with cooling's advantage lies in: the cooling assembly is arranged in the box body of the electromagnetic speed reducer, and the heat in the closed box body can be rapidly taken out by utilizing flowing cooling media, so that the internal temperature of the speed reducer is effectively reduced. The utility model discloses a cooling system reduces the heat that electromagnetic core excitates the in-process and produces in the twinkling of an eye, protection electromagnetic core, bearing and sealing member to improve electromagnetic speed reducer's life.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the electromagnetic reduction gear with a cooled transmission shaft of the present invention.

Fig. 2 is a perspective view of the electromagnetic reduction gear with a cooled transmission shaft of the present invention.

Reference numerals:

1, a transmission shaft; 2, a box body assembly; 21 a box body; 22 end seal support; 3, an electromagnetic deceleration assembly; 31 an electromagnet; 32 a damping body; 4, cooling the assembly; 41 a cooling pipe; 42 a cooling medium inlet; 43 outlet for cooling medium.

Detailed Description

The present invention will be further described with reference to the following detailed description.

As shown in fig. 1 and fig. 2, a transmission shaft electromagnetic speed reducer with cooling device of the present invention includes a transmission shaft 1, a box assembly 2, an electromagnetic speed reducer assembly 3 and a cooling assembly 4. The cooling assembly 4 comprises a cooling pipe 41, a cooling medium inlet 42 and a cooling medium outlet 43; the box body assembly 2 comprises a box body 21 and an end seal supporting body 22; the electromagnetic deceleration assembly 3 comprises an electromagnet 31 and a damping body 32.

As shown in fig. 1, the cooling pipe 41 of the present invention is locked in the clamping groove of the inner wall at both sides of the end of the box 21 by a clamp, the cooling medium inlet 42 and the cooling medium outlet 43 are respectively locked in the inlet and outlet fixing holes at the top and bottom of the box 21, and the equipment to be driven is connected in series to the refrigeration system of the transmission equipment when being installed; the electromagnet 31 is locked on the upper inner wall and the lower inner wall of the box body 21 by bolts, and the damping body 32 is sleeved in the middle of the transmission shaft 1 and locked by bolts; the transmission shaft 1 penetrates through the box body 21, and bearings of the end seal supporting body 22 are mounted on bearing positions at two ends of the transmission shaft; the end seal support 22 is locked at both ends of the box 21 by bolts.

The use method of the transmission shaft electromagnetic speed reducer with cooling function is as follows:

the transmission shaft rotating at high speed often needs to be decelerated before the transmission apparatus is ready to brake. If the electromagnetic speed reducer of the transmission shaft with cooling is installed, the electromagnetic speed reducer is automatically started when the clutch of the transmission shaft is disengaged, the electromagnetic coil of the electromagnet 31 is electrified, the magnetic force is generated to drag the damping body 32 of the transmission shaft 1 up and down, and the transmission shaft 1 which is still rotating due to inertia is prevented from continuing to rotate to realize speed reduction.

Meanwhile, the self-contained refrigeration system connected in series outside the cooling assembly 4 is automatically started, the cooling medium is continuously injected into the cooling pipe 41 from the cooling medium inlet 42, so that the heat generated by the electromagnet 31 inside the box body 21 is radiated into the cooling medium through the pipe wall of the cooling pipe 41, and the cooling medium circularly flows and is brought into the self-contained refrigeration system outside the equipment through the cooling medium outlet 43 for refrigeration, thereby achieving the purpose of cooling.

The utility model discloses a cooling system reduces the heat that electromagnetic core excitates the in-process and produces in the twinkling of an eye, protection electromagnetic core, bearing and sealing member to improve electromagnetic speed reducer's life.

In the explanation of the present invention, the terms such as "upper", "lower", "left", "right", etc. are used for indicating the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, and are only for the convenience of simplifying the description, and do not explicitly or implicitly indicate the specific orientation or the positional relationship which must be possessed, and thus, the present invention should not be interpreted as being limited to the protection contents.

The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited to this, and the present invention is to be used for insubstantial modification of the present invention, which all infringes the protection scope of the present invention.

Claims

1. The utility model provides a take refrigerated transmission shaft electromagnetism decelerator, includes transmission shaft (1) and electromagnetism speed reduction assembly (3), its characterized in that: the cooling device is characterized by further comprising a cooling assembly (4) and a box body assembly (2), wherein the cooling assembly (4) is composed of a pipe body which can conduct heat and is coiled into a reciprocating shape and a pipe body inlet and outlet connecting port, flowable circulating cooling media can be injected into the pipe body through the inlet and outlet connecting port, clamping grooves capable of locking and fixing the pipe body of the cooling assembly (4) are formed in the inner walls of the two sides of the end portion of the box body assembly (2), the cooling assembly (4) is clamped and fixed on the inner walls of the two sides of the end portion of the box body assembly (2), the transmission shaft (1) penetrates through the box body assembly (2) and is supported by end covers and bearings at the two ends of the box body assembly (2), and the electromagnetic speed reducing assembly (3) is arranged between the upper inner wall and the lower inner wall of the box body assembly (2) and the transmission shaft.

2. A drive shaft electromagnetic retarder with cooling according to claim 1 characterised in that: the cooling assembly (4) comprises a cooling pipe (41), a cooling medium inlet (42) and a cooling medium outlet (43), wherein the cooling pipe (41) is a seamless copper pipe or aluminum pipe and is coiled into a snake shape or a spiral shape, and two ends of the cooling pipe are fixedly connected with the cooling medium inlet (42) and the cooling medium outlet (43) respectively.

3. A drive shaft electromagnetic retarder with cooling according to claim 2 characterised in that: the box assembly (2) include box (21) and end seal supporter (22), box (21) tip both sides inner wall be equipped with the draw-in groove that matches with the body of cooling assembly (4), the top and the bottom of box (21) are equipped with the fixed orifices that matches with the income of cooling assembly (4) play connector respectively, end seal supporter (22) contain bearing and sealing member, end seal supporter (22) for respectively a set of and lock solid both ends about box (21).

4. A drive shaft electromagnetic retarder with cooling according to claim 3 characterised in that: the electromagnetic deceleration assembly (3) comprises an electromagnet (31) and a damping body (32), wherein the electromagnet (31) is an electromagnet capable of generating a magnetic field by electrifying a coil, and the damping body (32) is a metal ring made of ferromagnetic materials.

5. The electromagnetic reduction gear of a drive shaft with cooling of claim 4, characterized in that: cooling tube (41) rigid coupling on box (21) tip both sides inner wall, coolant entry (42) and coolant export (43) rigid coupling respectively on the top of box (21) and the income export fixed orifices of bottom, electromagnet (31) rigid coupling on box (21) upper and lower inner wall, damping body (32) rigid coupling in the middle part of transmission shaft (1), transmission shaft (1) run through box (21) and support by end seal supporter (22) of its both ends lock solid.

6. A drive shaft electromagnetic retarder with cooling according to claim 1 characterised in that: and flanges are fixedly connected to two ends of the transmission shaft (1) and are used for being connected with a power end and a working end of transmission equipment.

7. A drive shaft electromagnetic retarder with cooling according to claim 1 characterised in that: two ends of the cooling assembly (4) are connected in series with a self-contained refrigerating system of the transmission equipment, and a cooling medium is cooling oil or cooling water.