Housing-free traction machine

Abstract

The utility model discloses a chassis-free traction machine which comprises a machine base, the machine base comprises a first supporting base and a second supporting base, a connecting plate is arranged between the first supporting base and the second supporting base, and a front shell provided with a stator is arranged on the side, away from the second supporting base, of the first supporting base. The first supporting seat and the second supporting seat are both provided with bearings, a main shaft is arranged between the two bearings, one end of the main shaft extends into the front shell and is coaxially connected with a rotor corresponding to the stator, and a traction wheel is arranged at the position, corresponding to the connecting plate, of the main shaft. The traction machine has the advantages of being small in size and light in weight.

Description

Technical Field

[0001] The utility model belongs to the field of traction machines, and in particular relates to a casing-less traction machine. Background Art

[0002] The traction machine is the power equipment of the elevator, also known as the elevator host. Its function is to transport and transmit power to make the elevator run. However, some wells are relatively narrow, and it is difficult to install a large-sized traction machine. In order to facilitate installation, a traction machine with smaller size and mass is required. Utility Model Content

[0003] The purpose of the utility model is to provide a casing-less traction machine.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A caseless traction machine includes a machine base, the machine base includes a first support seat and a second support seat, a connecting plate is arranged between the first support seat and the second support seat, a front housing with a stator is arranged on the side of the first support seat facing away from the second support seat, bearings are arranged on the first support seat and the second support seat, a main shaft is arranged between the two bearings, one end of the main shaft extends into the front housing and the end is coaxially connected to a rotor corresponding to the stator, and a traction wheel is arranged at the position of the main shaft corresponding to the connecting plate.

[0006] Preferably, a stopper matched with the stator is provided on the front housing, and the stator is fixed to the front housing by screws.

[0007] Preferably, a rear housing is provided on a side of the second support plate facing away from the first support plate, a brake corresponding to the main shaft is provided in the rear housing, and an encoder is provided at the end of the main shaft away from the front housing.

[0008] Preferably, the first support seat, the connecting plate and the second support seat are integrally formed.

[0009] Preferably, a shaft stopper is provided on the side of the bearing arranged on the first support seat facing the rotor, and the shaft stopper is connected to the first support seat by bolts.

[0010] Preferably, both sides of the top of the first support seat and the second support seat are provided with bumps protruding upwards, and the bumps are provided with through holes.

[0011] Preferably, a junction box is provided on a side of the front shell away from the first support seat.

[0012] The beneficial effects of the utility model are as follows: the traction wheel is installed on the main shaft, and compared with the traditional traction machine, its axial length is smaller, saving space, and it can also be installed in a narrow shaft. Compared with the traditional closed casing, the machine base is lighter in weight, the machine base is integrally formed, the concentricity is high, the main shaft runs more smoothly, the stopper plays a positioning role for the stator, and there is no need to add a lifting ring during lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a cross-sectional view of the utility model.

[0015] Among them: base 1, first support base 12, second support base 14, connecting plate 16, bearing 18, main shaft 20, traction wheel 22, shaft stop 24, front housing 26, stator 28, rotor 30, terminal box 32, rear housing 34, brake 36, encoder 38, and bump 40. DETAILED DESCRIPTION

[0016] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0017] Embodiment 1: Figure 1 and Figure 2 As shown, a housingless traction machine of the utility model comprises a machine base 1, the machine base 1 comprises a first support seat 12 and a second support seat 14, a connecting plate 16 is arranged between the first support seat 12 and the second support seat 14, a front housing 26 with a stator 28 is arranged on the side of the first support seat 12 away from the second support seat 14, a bearing 18 is arranged on the first support seat 12 and the second support seat 14, a main shaft 20 is arranged between the two bearings 18, one end of the main shaft 20 extends into the front housing 26 and the end is coaxially connected with a rotor 30 corresponding to the stator 28, and the main shaft 20 and the connecting plate 16 are connected to the first support seat 12 and the second support seat 14. A traction wheel 22 is arranged at a position corresponding to the plate 16; the first support seat 12 and the second support seat 14 support the main shaft 20, and the first support seat 12 and the second support seat 14 are connected through the connecting plate 16 to prevent relative displacement between the first support seat 12 and the second support seat 14, replacing the traditional casing and reducing the mass. The traction wheel 22 is arranged on the main shaft 20, corresponding to the connecting plate 16. There are four connecting plates 16, corresponding to the middle positions of the four sides of the first support seat 12, ensuring that there is space between the connecting plates 16 for the traction rope to pass through.

[0018] The front housing 26 is provided with a stopper matched with the stator 28, and the stator 28 is fixed to the front housing 26 by screws; the stopper cooperates to play a positioning role, and the screws play a fixing role.

[0019] A rear shell 34 is provided on the side of the second support plate away from the first support plate, and a brake 36 corresponding to the main shaft 20 is provided in the rear shell 34. An encoder 38 is provided at the end of the main shaft 20 away from the front shell 26. A threaded hole adapted for a screw is provided at the center of the end of the main shaft 20. The encoder 38 is then installed on the end of the main shaft 20 by means of screws. This allows the encoder 38 to have high concentricity with the main shaft 20, and the data measured during detection is more accurate.

[0020] The first support seat 12, the connecting plate 16 and the second support seat 14 are integrally formed; the entire machine base 1 is integrally processed and formed, and has a higher concentricity than that of separate processing with different tooling, so that the concentricity between the two bearings 18 is higher and the operation of the main shaft 20 is more stable.

[0021] The bearing 18 arranged on the first support seat 12 is provided with a shaft stop 24 on the side facing the rotor 30, and the shaft stop 24 is connected to the first support seat 12 by bolts; the shaft stop 24 can prevent foreign matter from entering the bearing 18 and prevent the increase of friction from causing damage to the bearing 18.

[0022] Both sides of the top of the first support seat 12 and the second support seat 14 are upwardly protruded with a convex block 40, and a through hole is opened on the convex block 40; the traction machine is hoisted through the convex block 40 without the need for additional hoisting

[0023] A junction box 32 is disposed on a side of the front housing 26 away from the first support seat 12 .

[0024] Embodiment 2: The main shaft 20 and the traction sheave 22 are integrally formed.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A casingless traction machine, comprising a machine base, characterized in that: The machine base includes a first support seat and a second support seat, a connecting plate is arranged between the first support seat and the second support seat, a front housing with a stator is arranged on the side of the first support seat facing away from the second support seat, bearings are arranged on the first support seat and the second support seat, a main shaft is arranged between the two bearings, one end of the main shaft extends into the front housing and the end is coaxially connected to a rotor corresponding to the stator, and a traction wheel is arranged at the position corresponding to the main shaft and the connecting plate.

2. The housingless traction machine according to claim 1, characterized in that: The front housing is provided with a stopper matched with the stator, and the stator is fixed to the front housing by screws.

3. The housingless traction machine according to claim 1, characterized in that: A rear housing is arranged on the side of the second support plate facing away from the first support plate. A brake corresponding to the main shaft is arranged inside the rear housing. An encoder is arranged at the end of the main shaft away from the front housing.

4. The housingless traction machine according to claim 1, characterized in that: The first support seat, the connecting plate and the second support seat are integrally formed.

5. The housingless traction machine according to claim 1, characterized in that: A shaft stopper is arranged on the side of the bearing arranged on the first support seat facing the rotor, and the shaft stopper is connected to the first support seat by bolts.

6. The housingless traction machine according to claim 1, characterized in that: Both sides of the top of the first support seat and the second support seat are provided with bumps protruding upwards, and the bumps are provided with through holes.

7. The housingless traction machine according to claim 1, characterized in that: A junction box is arranged on one side of the front housing away from the first supporting seat.

Images