Portable electric tool for escalator barring

Abstract

The utility model relates to the technical field of escalators, and discloses a portable electric tool for an escalator barring, which comprises a driving mechanism, a barring mechanism, a barring mechanism and a barring mechanism, the disc grabbing mechanism comprises a clamping assembly and a connecting assembly, the clamping assembly comprises a fixed part and at least two movable parts, the fixed part is provided with a coupler capable of being connected with a driving motor, the movable parts are evenly distributed in the circumferential direction of the fixed part, and the movable parts can be driven to move in the radial direction of the fixed part; the connecting assembly comprises an extension arm and a fixed head, one end of the extension arm is connected with the movable part, and the fixed head is connected to the other end of the extension arm; according to the portable electric tool for escalator barring, the barring hand wheel is connected through the plate grabbing mechanism, the plate grabbing mechanism is controlled by the driving motor to rotate forwards or backwards, and escalator barring is achieved; during escalator barring, an operator only needs to hold the frame of the tool, automatic barring can be achieved, operation is simple, and labor is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of escalators, and more specifically, to a portable electric tool for escalator hand - cranking. Background Art

[0002] Escalator hand - cranking is a key operating device on an escalator, mainly used to control the rotation and speed of the escalator by manually operating the hand - cranking wheel when the escalator needs maintenance, inspection or in an emergency. Specifically, power is transmitted by rotating the hand - cranking wheel, thereby controlling the operation of the main drive shaft of the escalator to achieve operations such as starting, stopping, speed regulation and reverse rotation of the escalator. The existence of this device ensures that the escalator can be safely and effectively controlled when needed, and is an important guarantee for escalator maintenance and safe operation.

[0003] Currently, escalator hand - cranking generally adopts the manual method. For each step moved, the hand - cranking wheel needs to be rotated 13 to 14 times. When maintaining an escalator, the hand - cranking wheel needs to be rotated more than 400 times at most. Moreover, rotating the hand - cranking wheel requires a relatively large force, and the manual rotation labor intensity is relatively high. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a portable electric tool for escalator hand - cranking to solve the technical problems existing in the above - mentioned background art.

[0005] To solve the above - mentioned technical problems, the utility model is implemented by adopting the following technical solutions:

[0006] A portable electric tool for escalator hand - cranking, comprising:

[0007] A driving mechanism 100, the driving mechanism 100 includes a driving motor 110 and a frame 120 for installing the driving motor 110;

[0008] A chuck mechanism 200, the chuck mechanism 200 includes a clamping assembly 210 and a connecting assembly 220; the clamping assembly 210 includes a fixed part 211 and a movable part 212; a coupling 213 that can be connected to the driving motor 110 is provided on the fixed part 211; there are at least two movable parts 212, which are evenly distributed circumferentially along the fixed part 211, and the movable part 212 can be driven to move radially along the fixed part 211; the connecting assembly 220 includes an extension arm 221 and a fixed head 222, one end of the extension arm 221 is connected to the movable part 212, and the fixed head 222 is connected to the other end of the extension arm 221.

[0009] Furthermore, the driving motor 110 can be controlled to rotate forward or backward.

[0010] Further, at least two armrests 121 are provided on the frame 120.

[0011] Further, a switch button 122 for controlling the drive motor 110 is provided on each of the armrests 121. When all the switch buttons 122 are triggered simultaneously, the drive motor 110 starts to operate.

[0012] Further, the drive mechanism 100 further includes a housing 130, and the housing 130 covers the outside of the drive motor 110.

[0013] Further, a chuck is used as the clamping assembly 210, the chuck body of the chuck is used as the fixing member 211, and the movable jaws of the chuck are used as the movable members 212.

[0014] Further, the extension arm 221 is detachably connected to the movable member 212.

[0015] Further, the fixed head 222 is detachably connected to the extension arm 221.

[0016] Further, the fixed head 222 can slide freely on the extension arm 221, and a fastening bolt is provided on the fixed head 222, and the fastening bolt can fix the fixed head 222 on the extension arm 221.

[0017] Further, a rubber head 223 is provided inside the fixed head 222.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] A portable electric tool for escalator turning provided by the present utility model connects the turning handwheel through a chuck mechanism, and then controls the forward or reverse rotation of the chuck mechanism through a drive motor, thereby realizing escalator turning; when turning the escalator, the operator only needs to hold the frame of the tool to realize automatic turning, and the operation is simple and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The following further describes the present utility model with reference to the drawings:

[0021] Figure 1 It is a schematic structural diagram of a portable electric tool for escalator turning in an embodiment;

[0022] Figure 2 It is a front view of a portable electric tool for escalator turning in an embodiment;

[0023] Figure 3 It is a front view of the drive mechanism in an embodiment;

[0024] Figure 4 Front view of the turntable mechanism in an embodiment

[0025] 100. Driving mechanism, 110. Driving motor, 111. Forward and reverse button, 120. Frame, 121. Handrail, 122. Switch button, 130. Housing

[0026] 200. Gripping disc mechanism, 210. Clamping assembly, 211. Fixed part, 212. Movable part, 213. Coupling, 220. Connection assembly, 221. Extension arm, 222. Fixed head, 223. Rubber head Specific embodiments

[0027] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the present utility model will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model

[0028] Refer to Figures 1 to 4 , this embodiment provides a portable electric tool for escalator disk turning, including: a driving mechanism 100 and a gripping disc mechanism 200

[0029] The driving mechanism 100 includes a driving motor 110, a frame 120 for mounting the driving motor 110, and a housing 130 covering the outside of the driving motor 110

[0030] The driving motor 110 has a forward and reverse function and can be controlled to rotate forward or reverse. A forward and reverse button 111 for controlling the forward or reverse rotation of the driving motor 110 is provided on the housing 130

[0031] The frame 120 is configured to be generally in a U-shaped structure, with the middle horizontal part for mounting the driving motor 110, and the upright parts on both sides serving as handrails 121 for easy gripping during operation

[0032] In this embodiment, to ensure operation safety, a switch button 122 for controlling the driving motor 110 is provided on each of the handrails 121. Only when the switch buttons 122 on both handrails 121 are triggered simultaneously can the driving motor 110 start to work

[0033] The gripping disc mechanism 200 includes a clamping assembly 210 and a connection assembly 220

[0034] The clamping assembly 210 includes a fixed member 211 and a movable member 212. A coupling 213 that can be connected to the drive motor 110 is provided on the top surface of the fixed member 211. There are at least two movable members 212, which are arranged on the bottom surface of the fixed member 211 and are evenly distributed along the circumferential direction of the fixed member 211. The movable member 212 can be driven to move radially along the fixed member 211.

[0035] In this embodiment, a three-jaw chuck is used as the clamping assembly 210. The chuck body of the three-jaw chuck is used as the fixed member 211, and the three movable jaws of the three-jaw chuck are used as the three movable members 212.

[0036] The connection assembly 220 includes an extension arm 221 and a fixed head 222. One end of the extension arm 221 is connected to the movable member 212. The fixed head 222 is connected to the other end of the extension arm 221 and extends downward. A rubber head 223 is provided inside the fixed head 222.

[0037] In this embodiment, in order to make the connection assembly 220 applicable to disc handwheels of different sizes, the extension arm 221 and the movable member 212 can be set as a detachable connection by hand-tightening screws. By replacing the extension arms 221 of different lengths and sizes, the connection of disc handwheels of different sizes can be satisfied. The fixed head 222 and the extension arm 221 can also be set as a detachable connection by hand-tightening screws. By replacing the fixed heads 222 of different sizes, the connection of disc handwheels of different sizes can be satisfied, or when the fixed head 222 is damaged, it can be replaced separately. The fixed head 222 can also be set to slide freely on the extension arm 221, and a fastening bolt is provided on the fixed head 222. The fastening bolt can fix the fixed head 222 on the extension arm 221. In the non-fixed state, the fixed head 222 can slide freely on the extension arm 221, and when the fastening bolt is tightened to reach the fixed state, the fixed head 222 is fixed on the extension arm 221 to satisfy the connection of disc handwheels of different sizes.

[0038] The working principle of a portable electric tool for escalator disc turning provided in this embodiment:

[0039] When the escalator needs to be cranked, drive the movable member 212 to move radially outward along the fixed member 211 to open, place the entire chuck mechanism 200 above the crank wheel, then drive the movable member 212 to move radially inward along the fixed member 211 to clamp, so that the rubber head 223 inside the fixed head 222 clamps the crank wheel; then connect the shaft of the drive motor 110 to the coupling 213 to realize the combination of the drive mechanism 100 and the chuck mechanism 200. Then, the operator holds the two handrails 121 on both sides of the frame 120 with both hands and presses the switch button 122 with both hands at the same time, and the drive motor 110 starts to crank the escalator; after the escalator cranking is completed, the drive mechanism 100 and the chuck mechanism 200 can be separated to facilitate the storage of tools.

[0040] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0041] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A portable electric tool for escalator turning, characterized in that: include: A driving mechanism (100), the driving mechanism (100) comprising a driving motor (110) and a frame (120) for mounting the driving motor (110); A disc grabbing mechanism (200) comprises a clamping assembly (210) and a connecting assembly (220); the clamping assembly (210) comprises a fixed part (211) and a movable part (212); the fixed part (211) is provided with a coupling (213) which can be connected to the driving motor (110); there are at least two movable parts (212) which are evenly distributed along the circumference of the fixed part (211); the movable parts (212) can be driven to move radially along the fixed part (211); the connecting assembly (220) comprises an extension arm (221) and a fixed head (222); one end of the extension arm (221) is connected to the movable part (212), and the fixed head (222) is connected to the other end of the extension arm (221).

2. A portable electric tool for escalator turning according to claim 1, characterized in that: The driving motor (110) can be controlled to rotate forward or reverse.

3. A portable electric tool for escalator turning according to claim 1, characterized in that: At least two handrails (121) are provided on the frame (120).

4. A portable electric tool for escalator turning according to claim 3, characterized in that: Each of the armrests (121) is provided with a switch button (122) for controlling the drive motor (110); when all of the switch buttons (122) are triggered at the same time, the drive motor (110) starts to work.

5. A portable electric tool for escalator turning according to claim 1, characterized in that: The driving mechanism (100) further comprises a housing (130), wherein the housing (130) is disposed on the outside of the driving motor (110).

6. A portable electric tool for escalator turning according to claim 1, characterized in that: A chuck is used as the clamping assembly (210), a chuck body of the chuck is used as the fixing part (211), and a movable claw of the chuck is used as the movable part (212).

7. A portable electric tool for escalator turning according to claim 1, characterized in that: The extension arm (221) is detachably connected to the movable member (212).

8. A portable electric tool for escalator turning according to claim 1, characterized in that: The fixed head (222) is detachably connected to the extension arm (221).

9. A portable electric tool for escalator turning according to claim 1, characterized in that: The fixed head (222) can slide freely on the extension arm (221), and a fastening bolt is provided on the fixed head (222), and the fastening bolt can fix the fixed head (222) on the extension arm (221).

10. A portable electric tool for escalator turning according to claim 1, characterized in that: A rubber head (223) is arranged inside the fixing head (222).

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