Electric roller

Abstract

The utility model discloses an electric roller which comprises a shell, a motor, a speed reducer and a tensioning sleeve, the motor, the speed reducer and the tensioning sleeve are sequentially connected in a transmission mode, the shell is arranged on the outer sides of the motor, the speed reducer and the tensioning sleeve in a sleeved mode and clamped and fixed through the tensioning sleeve, a rear shaft is arranged at the tail end of the motor, and a rear end cover is arranged at the tail end of the shell. The rear shaft extends to the outer side of the rear end cover, a first bearing is arranged between the rear shaft and the rear end cover, the outer sides of the motor and the speed reducer are sleeved with a spiral cooling pipe, the rear shaft is provided with a feeding connector and a discharging connector, the feeding connector and the discharging connector are connected with the two ends of the spiral cooling pipe respectively, and the feeding connector extends outwards from the interior of the rear shaft to be provided with a feeding pipe; according to the electric roller cooling device, the cooling effect of the motor and the speed reducer in the electric roller in the running process can be improved, and the electric roller cooling device is simple in structure and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric roller technical field, more specifically, it relates to a kind of electric roller. BACKGROUND

[0002] Electric roller is a kind of driving device integrated with motor, speed reducer and roller, mainly used for driving conveyor belt or directly pushing material in conveying system.Electric roller provides power through built-in motor, reduces speed and increases torque through speed reducer, drives roller shell to rotate, so as to drive conveyor belt or material to move continuously and stably, with the characteristics of compact structure, easy installation, reliable operation, etc., widely used in conveying equipment in mining, port, logistics and other industries, to realize efficient and energy-saving material transmission.

[0003] Electric roller is arranged in the inside of shell, so that the heat dissipation effect of motor and speed reducer is poor UTILITY MODEL CONTENT

[0004] (I) the technical problem solved

[0005] In view of the problems existing in the prior art, the utility model provides an electric roller to solve the technical problem of poor heat dissipation effect of motor and speed reducer in the prior art mentioned in the background.

[0006] (II) technical scheme

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] An electric roller, comprising a shell, a motor, a speed reducer and a tension sleeve, the motor, the speed reducer and the tension sleeve are sequentially connected in transmission, the shell is sleeved on the outside of the motor, the speed reducer and the tension sleeve, and is fixed by clamping the tension sleeve, the tail end of the motor is provided with a rear shaft, the tail end of the shell is provided with a rear end cover, the rear shaft extends to the outside of the rear end cover, and a first bearing is arranged between the rear shaft and the rear end cover, the outside of the motor and the speed reducer is sleeved with a spiral cooling pipe, the rear shaft is provided with a feeding connector and a discharging connector, the feeding connector and the discharging connector are respectively connected with two ends of the spiral cooling pipe, the feeding connector is provided with a feeding pipe which extends outward from the inside of the rear shaft, and the discharging connector is provided with a discharging pipe which extends outward from the inside of the rear shaft.

[0009] The utility model is further provided with a front end cover at the front end of the shell, a front shaft is arranged on the front end cover, and a second bearing is arranged between the front shaft and the front end cover.

[0010] The utility model is further provided with a driving connector on the outside of the front end cover and / or the rear end cover, and the driving connector is provided with meshing teeth.

[0011] The utility model further sets up, the middle part of the engagement tooth is equipped with a limiting groove.

[0012] The utility model further sets up, the engagement tooth of the side of limiting groove is equipped with a fillet, can set up the limiting strip of cooperation with limiting groove and the tooth structure of cooperation with engagement tooth on the external drive belt of cooperation with drive connector, thereby can limit drive belt in the displacement condition of rotation process, the setting of fillet can reduce the friction of limiting strip type of carding into limiting groove.

[0013] The utility model further sets up, the front end cover and shell are equipped with front sealing group, and the connection sealing property between end cover and shell is strengthened through front sealing group.

[0014] The utility model further sets up, the rear end cover and shell are equipped with rear sealing group, and the connection sealing property between rear end cover and shell is strengthened through rear sealing group.

[0015] The utility model further sets up, be equipped with temperature detector on motor and speed reducer, and temperature detector preferably temperature sensor, can detect the temperature of motor and speed reducer in time, and will detect signal outward transmission, judge whether need to carry out cooling, temperature detector can cooperate with outside controller, control cooling medium's flow in cooling coil, this is prior art, the utility model does not make superfluous words.

[0016] (Three) beneficial effects

[0017] Compared with prior art, the utility model provides a kind of electric roller, with following beneficial effects:

[0018] 1, the utility model discloses a cooling coil is set outside motor and speed reducer, can transport cooling medium (such as water or cooling oil) in cooling coil, when motor and speed reducer temperature rises in the process of operation, cooling medium is circulated by cooling coil, absorbs and takes away heat, to realize the efficient cooling of motor and speed reducer, this structure can effectively control the working temperature of equipment, improve the operating efficiency and stability of motor and speed reducer, simultaneously prolong its service life, especially suitable for high load or long time running working condition, with higher practicality and economy, and simple structure, it is small to occupy shell interior space, it is convenient to install.

[0019] 2、The utility model discloses a cooling coil both ends feed connecting head and discharge connecting head are arranged on rear axle, and feed pipe and discharge pipe are set up through the rear axle inside extension to outside, and this design makes cooling coil can conveniently connect with outside cooling medium supply source, ensures that cooling medium flows smoothly, thereby realizes the efficient cooling of motor and speed reducer, simultaneously, this structural design is ingenious, does not influence the installation and dismounting of rear end cover, and is convenient for the daily maintenance and overhaul of equipment, obviously improves the operability and maintenance convenience of equipment, especially suitable for the working condition that needs frequent overhaul or long time operation, has higher practicality and reliability.

[0020] 3、The utility model discloses still be provided with drive connecting head on the outside of front end cover and rear end cover, and be provided with meshing tooth on drive connecting head, set up limit slot in the meshing tooth middle, can set up the limit strip that cooperates with limit slot and the tooth structure that cooperates with meshing tooth on the outside drive belt that cooperates with drive connecting head, to can limit drive belt in the displacement condition of rotating process, improve the stability of drive transmission, the setting of fillet can reduce the friction of limit strip carding into limit slot type. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is whole structure schematic diagram of electric roller in the utility model;

[0022] Figure 2 It is whole internal structure cross section schematic diagram of the utility model;

[0023] Figure 3 It is cooperation structure schematic diagram between rear axle, motor, speed reducer and cooling coil in the utility model;

[0024] Figure 4 It is cooperation structure exploded schematic diagram between rear axle, motor, speed reducer and cooling coil in the utility model;

[0025] Figure 5 It is connection structure exploded schematic diagram between shell and front end cover and rear end cover in the utility model.

[0026] In the drawing: 1, shell;2, motor;3, speed reducer;4, tension sleeve;5, rear axle;6, rear end cover;7, first bearing;8, spiral cooling pipe;9, feed connector;10, discharge connector;11, feed pipe;12, discharge pipe;13, front end cover;14, front axle;15, second bearing;16, drive connecting head;17, meshing tooth;18, limit slot;19, fillet;20, front sealing group;21, rear sealing group;22, temperature detector. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0029] In the present application, unless otherwise specified, the orientation such as "up, down" is generally with respect to the direction shown in the drawings, or with respect to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings; "inner, outer" refers to the inner and outer of the contour of each component itself, but the above orientation words are not used to limit the present application.

[0030] Please refer to Figures 1-5 A motorized roller comprises a shell 1, a motor 2, a speed reducer 3 and a tension sleeve 4, the motor 2, the speed reducer 3 and the tension sleeve 4 are sequentially transmission connected, the shell 1 is sleeved on the outside of the motor 2, the speed reducer 3 and the tension sleeve 4, and is clamped and fixed through the tension sleeve 4, the tail end of the motor 2 is provided with a rear shaft 5, the tail end of the shell 1 is provided with a rear end cover 6, the rear shaft 5 extends to the outside of the rear end cover 6, and a first bearing 7 is arranged between the rear shaft 5 and the rear end cover 6, a spiral cooling pipe 8 is sleeved on the outside of the motor 2 and the speed reducer 3, a feeding connector 9 and a discharging connector 10 are arranged on the rear shaft 5, the feeding connector 9 and the discharging connector 10 are respectively connected to the two ends of the spiral cooling pipe 8, the feeding connector 9 extends outward from the inside of the rear shaft 5 to arrange a feeding pipe 11, the discharging connector 10 extends outward from the inside of the rear shaft 5 to arrange a discharging pipe 12, a front end cover 13 is arranged at the front end of the shell 1, a front shaft 14 is arranged on the front end cover 13, and a second bearing 15 is arranged between the front shaft 14 and the front end cover 13.

[0031] Please refer to Figures 1-5 As an embodiment of the front end cover 13 and the rear end cover 6: a driving connection head 16 is arranged on the outside of the front end cover 13 and / or the rear end cover 6, the driving connection head 16 is provided with meshing teeth 17, a limiting groove 18 is arranged in the middle of the meshing teeth 17, a round corner 19 is arranged at the meshing teeth 17 close to the limiting groove 18, a limiting strip matched with the limiting groove 18 and a tooth structure matched with the meshing teeth 17 can be arranged on the external driving belt matched with the driving connection head 16, so that the displacement of the driving belt in the rotating process can be limited, and the round corner 19 can reduce the friction of the limiting strip clamped into the limiting groove 18.

[0032] Please refer to Figures 1-5As an embodiment of the shell 1: the front end cover 13 and the shell 1 are provided with a front sealing group 20, the connection sealing between the end cover and the shell 1 is strengthened through the front sealing group 20, the rear end cover 6 and the shell 1 are provided with a rear sealing group 21, the connection sealing between the rear end cover 6 and the shell 1 is strengthened through the rear sealing group 21, here, the sealing parts of the shell 1 of the motorized roller, the front end cover 13 and the rear end cover 6 are the prior known contents, the specific structure of the front sealing group 20 and the rear sealing group 21 is not expanded and repeated, and can be a sealing gasket, a sealing ring and a combination of the sealing gasket and the sealing ring.

[0033] Please refer to Figures 1-5 As an embodiment of the motor 2 and the speed reducer 3: the motor 2 and the speed reducer 3 are provided with a temperature detector 22, the temperature detector 22 is preferably a temperature sensor, can detect the temperature of the motor 2 and the speed reducer 3 in time, and transmit the detection signal to the outside, judge whether cooling is needed, the temperature detector 22 can cooperate with an external controller to control the flow of cooling medium in the cooling coil, which is the prior art, and the utility model does not repeat it.

[0034] In summary:

[0035] The utility model discloses a cooling coil is arranged on the outside of the motor 2 and the speed reducer 3, can transport cooling medium (such as water or cooling oil) to the cooling coil, when the temperature of the motor 2 and the speed reducer 3 is raised in the operation process, the cooling medium circulates through the cooling coil, absorbs and takes away heat, thereby realizing the efficient cooling of the motor 2 and the speed reducer 3, this structure can effectively control the working temperature of the equipment, improves the operation efficiency and stability of the motor 2 and the speed reducer 3, prolongs its service life simultaneously, especially suitable for the working condition of high load or long time operation, has higher practicality and economy;

[0036] In the utility model, the inlet connection and the outlet connection of the cooling coil are arranged on the rear shaft 5, and the inlet pipe 11 and the outlet pipe 12 are arranged outside through the inside of the rear shaft 5, which makes the cooling coil connect with the cooling medium supply source outside conveniently, ensures the smooth flow of the cooling medium, thereby realizing the efficient cooling of the motor 2 and the speed reducer 3, and the structure design is ingenious, does not affect the installation and dismounting of the rear end cover 6, is convenient for the daily maintenance and overhaul of the equipment, obviously improves the operability and maintenance convenience of the equipment, especially suitable for the working condition needing frequent overhaul or long time operation, has higher practicality and reliability;

[0037] The utility model also is provided with drive connector 16 outside front end cover 13 and rear end cover 6, and is provided with meshing tooth 17 on drive connector 16, and limit slot 18 is set up in the middle of meshing tooth 17, can set up the limit strip that cooperates with limit slot 18 and the tooth structure that cooperates with meshing tooth 17 on the external drive belt that cooperates with drive connector 16, to can limit drive belt in the rotation process, the displacement condition of generating, improve the stability of drive transmission, the setting of round corner 19 in the utility model can reduce the friction of limit strip carding into limit slot 18.

[0038] In all the above-mentioned solutions, the connection between two components can be selected according to actual conditions, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, when referring to fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and deformations can be made to these embodiments without departing from the principles and spirits of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

[0039] In all the above-mentioned solutions, if there is no explicit description, the electrical element operation is controlled by the controller. Since the controller is matched with common equipment, its control principle and circuit connection belong to existing known and mature technology, and its specific circuit structure will not be described here.

[0040] In all the above-mentioned solutions, if actual needs, the motor can be matched with a speed reducer. The connection structure and working principle between the motor and the speed reducer are existing known technology, which will not be described here.

[0041] In all the above-mentioned solutions, if actual needs, the motor can be matched with a speed reducer. The connection structure and working principle between the motor and the speed reducer are existing known technology, which will not be described here. In all the above-mentioned solutions, if actual needs, the motor can be matched with a speed reducer. The connection structure and working principle between the motor and the speed reducer are existing known technology, which will not be described here.

Claims

1. An electric roller, comprising a housing (1), a motor (2), a reducer (3), and a tensioning sleeve (4), wherein the motor (2), the reducer (3), and the tensioning sleeve (4) are sequentially connected in a transmission manner, the housing (1) is sleeved on the outside of the motor (2), the reducer (3), and the tensioning sleeve (4), and is engaged and fixed by the tensioning sleeve (4), wherein a rear shaft (5) is provided at the tail end of the motor (2), a rear end cover (6) is provided at the tail end of the housing (1), the rear shaft (5) extends to the outside of the rear end cover (6), and a first bearing (7) is provided between the rear shaft (5) and the rear end cover (6), characterized in that: The motor (2) and the reducer (3) are sleeved with spiral cooling pipes (8) on the outside, the rear shaft (5) is provided with an inlet joint (9) and an outlet joint (10), the inlet joint (9) and the outlet joint (10) are connected to the two ends of the spiral cooling pipe (8) respectively, the inlet joint (9) is provided with an inlet pipe (11) which extends outward from the inside of the rear shaft (5), and the outlet joint (10) is provided with an outlet pipe (12) which extends outward from the inside of the rear shaft (5).

2. An electric roller as claimed in claim 1, wherein: The front end of the shell (1) is provided with a front end cover (13), the front end cover (13) is provided with a front shaft (14), and the second bearing (15) is arranged between the front shaft (14) and the front end cover (13).

3. An electric roller as claimed in claim 2, wherein: The outer side of the front end cover (13) and / or the rear end cover (6) is provided with a driving connection head (16), and the driving connection head (16) is provided with meshing teeth (17).

4. An electric roller as claimed in claim 3, wherein: The middle part of the meshing teeth (17) is provided with a limiting groove (18).

5. An electric roller as claimed in claim 4, wherein: The meshing teeth (17) near the limiting groove (18) are provided with a round corner (19).

6. An electric roller as claimed in claim 2, wherein: The front end cover (13) and the shell (1) are provided with a front sealing group (20).

7. An electric roller as claimed in claim 1, wherein: The rear end cover (6) and the shell (1) are provided with a rear sealing group (21).

8. An electric roller as defined in claim 1, characterized by: The motor (2) and the reducer (3) are provided with a temperature detector (22).

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