A stroke detection device for an electric trolley

Abstract

The utility model provides a kind of stroke detection device for electric push rod, for electric push rod's stroke detection device includes electric push rod body and bottom plate, electric push rod body is detachably connected on bottom plate upper end face, bottom plate upper end face is fixedly connected with scale board, scale board side wall is slidably connected with lifting plate, abutting plate is arranged below lifting plate, driving piece is inserted in scale board, driving abutting plate lifting, bottom plate upper end face is slidably connected with the limiting component one of electric push rod body to front and rear limit, lifting plate lower end face is fixedly connected with the limiting seat of electric push rod body to left and right limit, movable plate driven by double-end thread screw rod and bolt nut fixed limiting seat cooperate to limit electric push rod body, both avoid the friction damage of electric push rod and the side wall of detection cylinder, and eliminate the stroke measurement error caused by inclination, significantly improve the precision of detection.

Claims

1. A stroke detection device for an electric trolley, characterized in that The device includes an electric push rod body (1) and a base plate (2). The electric push rod body (1) is detachably connected to the upper surface of the base plate (2). A scale plate (3) is fixedly connected to the upper surface of the base plate (2). A lifting plate (4) is slidably connected to the side wall of the scale plate (3). An abutment plate (5) is provided below the lifting plate (4). A drive component (6) for driving the abutment plate (5) to rise and fall is inserted inside the scale plate (3). A limiting component (7) for limiting the electric push rod body (1) to the front and rear is slidably connected to the upper surface of the base plate (2). A limiting seat (8) for limiting the electric push rod body (1) to the left and right is fixedly connected to the lower surface of the lifting plate (4).

2. The stroke detection device for an electric trolley according to claim 1, characterized by, The limiting component 1 (7) includes a double-ended threaded screw (71), which is detachably connected to the base plate (2). A knob 1 (72) is fixedly connected to one end of the double-ended threaded screw (71), and movable plates (73) are threaded to both ends of the double-ended threaded screw (71). A guide rod 1 (74) is inserted on the side of the two movable plates (73) away from the double-ended threaded screw (71). The guide rod 1 (74) is detachably connected to the base plate (2).

3. The stroke detection device for an electric trolley according to claim 2, characterized by, The limiting seat (8) includes two fixing plates (81), both fixing plates (81) are fixedly connected to the lower end face of the lifting plate (4), and the two fixing plates (81) are arranged opposite to each other. Bolts (82) are inserted in the two fixing plates (81), and nuts (83) are threaded on the side wall of the bolts (82). The nuts (83) are in contact with the outer side wall of the fixing plates (81).

4. The stroke detection device for an electric trolley according to claim 3, characterized by The driving component (6) includes a threaded rod (61), one end of which is rotatably connected to the bottom wall of the inner cavity of the scale plate (3), the other end of which is away from the bottom plate (2) passes through the top wall of the scale plate (3), and a knob (62) is fixedly connected to the other end of which is away from the bottom plate (2).

5. The stroke detection device for an electric trolley according to claim 4, characterized by A laser rangefinder (9) is detachably connected to the upper surface of the base plate (2), and a reflector (10) matching the laser rangefinder (9) is fixedly connected to the bottom end of the lifting plate (4).

6. The stroke detection device for an electric trolley according to claim 5, characterized by The scale plate (3) can also be detachably connected to a guide rod two, and the lifting plate (4) and the abutment plate (5) are both slidably connected to the outer wall of the guide rod two.

7. The stroke detection device for an electric trolley according to claim 6, characterized by The lifting plate (4) has a through hole (11) with a diameter greater than the outer diameter of the threaded rod (61). The lifting plate (4) also has a through hole (12) that matches the guide rod, and the lifting plate (4) is slidably connected to the inner wall of the scale plate (3).

8. The stroke detection device for an electric linear actuator according to claim 7, characterized in that, The scale plate (3) has multiple scales on its side wall, and the multiple scales are arranged linearly along the vertical direction.

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