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CN-122014086-A - Electric side window lifting mechanism of locomotive cab

CN122014086ACN 122014086 ACN122014086 ACN 122014086ACN-122014086-A

Abstract

The invention discloses an electric side window lifting mechanism of a locomotive cab, which relates to the technical field of side window lifting and comprises a fixed frame arranged on a locomotive side wall, wherein the upper part of the fixed frame is provided with a window part, both sides of the inner wall of the fixed frame are provided with sliding grooves, the sliding grooves are slidably provided with a movable window body matched with the window part, and a fixed plate and a driving component are arranged below the window part of the fixed frame. Through the setting of adjusting part, can make output shaft and the driving gear of motor carry out reliable switching between engagement state and disengagement state, can accomplish the switching of mode through rotatory handle in the cab, can accomplish the connection and the separation between output shaft and the driving gear of motor rapidly, reliably under the circumstances that need not complicated dismouting or with the help of special instrument, the switching process is simple and convenient, the driver of being convenient for or maintainer quick response in actual operation or maintenance scene, avoided leading to the risk that the door window can't operate because of electric fault completely.

Inventors

  • LIU WENLONG
  • HUANG BAOJUN
  • HUANG XU

Assignees

  • 株洲市电力融城机车配件有限责任公司

Dates

Publication Date
20260512
Application Date
20260107

Claims (9)

  1. 1. The electric side window lifting mechanism of the locomotive cab is characterized by comprising a fixed frame (100) arranged on a locomotive side wall, wherein a window part is arranged at the upper part of the fixed frame (100), sliding grooves (101) are formed in two sides of the inner wall of the fixed frame (100), a movable window body (110) matched with the window part is slidably arranged at the sliding grooves (101), a fixed plate (120) and a driving component are arranged below the window part of the fixed frame (100), a lifting component connected with the bottom of the movable window body (110) is arranged on the fixed plate (120), and the driving component is used for driving the lifting component to push the movable window body (110) to move up and down along the sliding grooves (101); the driving assembly comprises a motor (310) and a driving gear (320), wherein an adjusting assembly is arranged at the driving gear (320) and is used for switching an output shaft of the motor (310) and the driving gear (320) between an engaged state and a disengaged state.
  2. 2. The electric side window lifting mechanism of a locomotive cab according to claim 1, wherein the adjusting assembly comprises a bracket (210) arranged at the bottom of the fixed frame (100), an auxiliary frame (230) is arranged at the side wall of the bracket (210), a mounting cavity for rotatably mounting the driving gear (320) is formed between the bracket (210) and the auxiliary frame (230), a third spline groove (321) is formed at the side wall of the driving gear (320) close to one side of the auxiliary frame (230), a spline groove ring (232) is rotatably mounted at the side wall of the auxiliary frame (230) corresponding to the side wall of the driving gear (320), the third spline groove (321) and the spline groove ring (232) jointly form an adjusting cavity, a connecting piece (240) is slidably mounted in the adjusting cavity, and the connecting piece (240) is used for switching between a meshed state and a disengaged state of the connecting shaft (220) and the driving gear (320).
  3. 3. The electric side window lifting mechanism of a locomotive cab according to claim 2, wherein a connecting shaft (220) is rotatably installed at the coaxial center of the bracket (210) and the driving gear (320), a first spline groove (221) is formed at the end part of one end of the connecting shaft (220) extending into the third spline groove (321), a first spline part (241) matched with the third spline groove (321) or the spline groove ring (232) is formed at the outer wall of the connecting piece (240), a round groove is formed at the end part of the connecting piece (240) corresponding to the connecting shaft (220), and a second spline part (2411) matched with the first spline groove (221) is formed at the inner wall of the round groove.
  4. 4. A locomotive cab electric side window lifting mechanism according to claim 3, characterized in that the connecting piece (240) is detachably mounted with the matching piece (242) at the end far away from the driving gear (320), the matching piece (242) is internally provided with a sliding cavity (2421), the inner wall of the end far away from the connecting piece (240) of the sliding cavity (2421) is provided with a second spline groove (2422), the sliding cavity (2421) is slidably mounted with the driving piece (250), the outer wall of the driving piece (250) is provided with a third spline part (251) matched with the second spline groove (2422), the side wall of the driving piece (250) is provided with an extension rod part penetrating through the matching piece (242) and the side window decorating plate, and the end far away from the driving piece (250) is provided with a baffle (260) in a threaded manner.
  5. 5. The electric side window lifting mechanism of locomotive cab as claimed in claim 4, wherein an extension frame (231) for sliding installation of an extension rod part is installed at a side wall of the auxiliary frame (230) far away from the bracket (210), a blocking disc (252) is arranged at an outer wall of the extension rod part between the auxiliary frame (230) and the extension frame (231), a spring (280) is installed between the blocking disc (252) and the extension frame (231), and the spring (280) is used for providing elastic force for keeping the third spline part (251) in the sliding cavity (2421) all the time.
  6. 6. The electric side window lifting mechanism of locomotive cab as claimed in claim 5, wherein the outer wall of the extension rod portion is provided with external threads, a rotary handle (270) is mounted between the side window decorative plate and the baffle (260) in a threaded manner, and the rotary handle (270) is used for driving the driving piece (250) to move axially.
  7. 7. The lifting mechanism for an electric side window of a cab of a locomotive according to claim 1, wherein the lifting assembly comprises a swing rod (410) rotatably arranged at the fixed plate (120), a guide plate (420) connected to the bottom of the movable window body (110), and an auxiliary gear (430) rotatably arranged at the fixed frame (100) and meshed with the driving gear (320), a sector gear part (411) meshed with the auxiliary gear (430) is arranged at the bottom of the swing rod (410), and a connecting part (412) in sliding fit with the guide plate (420) is arranged at the top of the swing rod (410).
  8. 8. The electric side window lifting mechanism of a locomotive cab of claim 1, wherein the balancing component comprises a connecting rod structure coaxially connected with the swing rod (410) and a balancing structure arranged at the other end of the fixed plate (120), the balancing structure comprises a sliding block (510) arranged at the fixed plate (120) in a sliding manner, the sliding block (510) is vertically arranged, a plurality of tension springs (520) are arranged between the sliding block (510) and the fixed plate (120) along the horizontal direction, and a connecting rod (530) connected with the connecting rod structure is arranged at one side, far away from the tension springs (520), of the sliding block (510).
  9. 9. The electric side window lifting mechanism of a locomotive cab of claim 8, wherein the link structure comprises a first link (540) coaxially connected with the swing rod (410), an arc-shaped link (550) is hinged at the movable end of the first link (540), a second link (560) is hinged at the movable end of the arc-shaped link (550), the movable end of the second link (560) is hinged on the fixed plate (120), and the movable end of the connecting rod (530) is hinged on the second link (560).

Description

Electric side window lifting mechanism of locomotive cab Technical Field The invention relates to the technical field of side window lifting, in particular to an electric side window lifting mechanism of a locomotive cab. Background The traditional locomotive cab side window adopts a vertical pulling type movable window structure, and the structure mainly comprises a fixed frame, a movable window and a balancing mechanism for pulling the movable window. During operation, the opening is realized through the pull-down, and the closing is completed through the pull-up. At present, the opening and closing modes of the side window of the railway locomotive are mainly divided into a purely mechanical manual mode and an electric lifting mode. The pure mechanical manual structure directly drives the movable window to move by manpower, and although the operation is relatively laborious, the structure stability is high and the failure rate is extremely low because the electric driving components such as a motor, an electric telescopic rod and the like and related electric control systems are not involved. Along with the improvement of technological development and locomotive driving comfort requirement, the electric lifting switch window structure adopting button control appears. The structure utilizes electric driving parts such as a motor, an electric telescopic rod and the like to realize automatic lifting of the movable window by matching with an electric control unit, and is simple and labor-saving to operate. However, the electric lifting structure depends on normal operation of electric components, and once a motor, a driving piece or an electric control system fails, the window cannot be normally opened or closed, so that the use reliability is affected. Disclosure of Invention In order to solve the technical problems, the invention provides an electric side window lifting mechanism of a locomotive cab. The technical proposal is as follows: The electric side window lifting mechanism of the locomotive cab comprises a fixed frame arranged on a locomotive side wall, wherein a window part is arranged at the upper part of the fixed frame, sliding grooves are formed in two sides of the inner wall of the fixed frame, a movable window body matched with the window part is slidably arranged at the sliding grooves, a fixed plate and a driving component are arranged below the window part of the fixed frame, a lifting component connected with the bottom of the movable window body is arranged on the fixed plate, and the driving component is used for driving the lifting component to push the movable window body to move up and down along the sliding grooves; The driving assembly comprises a motor and a driving gear, an adjusting assembly is arranged at the driving gear, and the adjusting assembly is used for switching between an engaged state and a disengaged state of an output shaft of the motor and the driving gear. Further, the adjusting component comprises a support arranged at the bottom of the fixed frame, an auxiliary frame is arranged at the side wall of the support, an installation cavity for the driving gear to rotate and install is formed between the support and the auxiliary frame, a third spline groove is formed in the side wall of the driving gear, which is close to one side of the auxiliary frame, of the driving gear, a spline groove ring is rotatably installed on the side wall of the auxiliary frame, the third spline groove and the spline groove ring jointly form an adjusting cavity, a connecting piece is slidably installed in the adjusting cavity, and the connecting piece is used for switching between a connecting shaft and the driving gear in an engaged state and a disengaged state. Further, a connecting shaft is rotatably arranged at the coaxial position of the bracket and the driving gear, a first spline groove is formed in the end part of one end of the connecting shaft extending into the third spline groove, a first spline part matched with the third spline groove or the spline groove ring is arranged at the outer wall of the connecting piece, a round groove is formed in the end part of the connecting piece corresponding to the connecting shaft, and a second spline part matched with the first spline groove is arranged at the inner wall of the round groove. Further, the connecting piece is kept away from driving gear one end department detachably and is installed the cooperation piece, and the inside sliding chamber that has of cooperation piece, sliding chamber keep away from connecting piece one end inner wall department have the second spline groove, sliding in the sliding chamber install the driver, driver outer wall department have with second spline groove complex third spline portion, driver lateral wall has the extension pole portion that passes cooperation piece and side window decorative board, and the baffle is installed to the one end screw thread that the extension pole portion kept away fro