阅读说明：本技术 一种自动升降司机室活动侧窗 (Movable side window of automatic lifting cab ) 是由 陈健 吕清帆 赵日出 梁志炜 于 2019-09-29 设计创作，主要内容包括：一种自动升降司机室活动侧窗,包括固定窗框、活动窗、卷弹簧平衡机构和主升降气缸；所述活动窗包含有活动窗框、活动窗玻璃和支撑架,所述活动窗框内平面设置有卡槽安装所述活动窗玻璃,所述活动窗框上部安装有手柄,两侧分别固定有导轮轴,导轮轴上套有导轮,两侧还分别固定有滑块,下端固定安装有支撑架；所述固定窗框内平面外侧设置有密封槽,与左右两侧密封槽90°夹角方向设置有导槽使所述导轮在导槽内移动,所述固定窗框下半部左右两侧设置有导轨,所述滑块套在导轨上,所述固定窗框中下部设置有气缸架,下部设置有底梁。本侧窗外形美观、密封性好、开启灵活、可靠性高、使用寿命长,是一种理想的机车司机室活动侧窗。(A movable side window of an automatic lifting cab comprises a fixed window frame, a movable window, a coil spring balance mechanism and a main lifting cylinder; the movable window comprises a movable window frame, movable window glass and a support frame, wherein a clamping groove is formed in the plane in the movable window frame for mounting the movable window glass, a handle is mounted at the upper part of the movable window frame, guide wheel shafts are respectively fixed on two sides of the movable window frame, guide wheels are sleeved on the guide wheel shafts, sliding blocks are respectively fixed on two sides of the guide wheel shafts, and the support frame is fixedly mounted at the lower end of the guide wheel shafts; the outer side of the plane in the fixed window frame is provided with a sealing groove, a guide groove is arranged in the direction of a 90-degree included angle between the sealing groove and the sealing groove on the left side and the right side, so that the guide wheel moves in the guide groove, guide rails are arranged on the left side and the right side of the lower half portion of the fixed window frame, the sliding block is sleeved on the guide rails, a cylinder frame is arranged on the middle lower portion of the fixed. The side window has the advantages of attractive appearance, good sealing property, flexible opening, high reliability and long service life, and is an ideal movable side window of the locomotive cab.)

1. A movable side window of an automatic lifting cab comprises a fixed window frame, a movable window, a coil spring balance mechanism and a main lifting cylinder;

the movable window comprises a movable window frame, movable window glass and a support frame, wherein a clamping groove is formed in the plane in the movable window frame for mounting the movable window glass, a handle is mounted at the upper part of the movable window frame, guide wheel shafts are respectively fixed on two sides of the movable window frame, guide wheels are sleeved on the guide wheel shafts, sliding blocks are respectively fixed on two sides of the guide wheel shafts, and the support frame is fixedly mounted at the lower end of the guide wheel shafts;

a sealing groove is formed in the outer side of the inner plane of the fixed window frame, guide grooves are formed in the direction of an included angle of 90 degrees with the sealing grooves on the left side and the right side, so that the guide wheel can move in the guide grooves, guide rails are arranged on the left side and the right side of the lower half part of the fixed window frame, the sliding block is sleeved on the guide rails, a cylinder frame is arranged on the middle lower part of the fixed window frame;

the lower end of the coil spring balance mechanism is fixed with the support frame, the left end and the right end of the coil spring balance mechanism are fixed with the cylinder frame, the dead weight of the movable window is balanced, the stop at any position is realized, and the motion load of the main lifting cylinder is reduced;

the upper end of the main lifting cylinder is fixed with the support frame, and the lower end of the main lifting cylinder is fixed with the bottom beam to drive the movable window to move up and down.

2. The movable side window of the automatic lifting cab according to claim 1, wherein the sealing groove is used for installing a glass sealing strip, the surface of the glass sealing strip subjected to compression deformation is subjected to flocking treatment, and when the movable window is closed, the glass sealing strip is lapped on the movable window to form a circle of closed ring, so that a waterproof sealing function is realized.

3. The movable side window of the automatic lifting cab according to claim 1, wherein light curtain sensors are further installed on the left side and the right side of the fixed window frame, and play a role in preventing clamping in the lifting process of the movable window.

4. The movable side window of the automatic lifting cab according to claim 1 or 3, wherein the fixed window frame is formed by opening an aluminum alloy section.

5. The movable side window of the automatic lifting cab according to claim 1, wherein the movable window glass is bonded in the movable window frame clamping groove through polyurethane glue.

6. The movable side window of the automatic lifting cab according to claim 1 or 5, wherein the movable window frame is integrally processed by adopting an aluminum alloy section bar, so that welding deformation is avoided.

7. The movable side window of the automatic lifting cab according to claim 1, wherein the coil spring balancing mechanism comprises a mounting rod, a bearing, a winding drum and a coil spring in sequence from inside to outside, mounting holes are formed in two ends of the mounting rod to enable the mounting rod to be mounted on a cylinder frame, and a row of through holes are formed in the tail end of the coil spring to enable the coil spring to be fixed with the supporting frame.

8. The movable side window of the automatic lifting cab according to claim 1, wherein the movable side window comprises a movable window movement control mechanism, the movable window movement control mechanism comprises a cylinder locking mechanism, an upper limit switch and a lower limit switch, and the upper limit switch and the lower limit switch control the movement stroke of the movable window.

9. The movable side window of the automatic lifting cab according to claim 8, wherein the cylinder locking mechanism is arranged on the cylinder frame, and when the movable window frame is closed in place, the cylinder locking mechanism moves forward to abut against the main lifting cylinder to lock the movable window, so that a locking and sealing effect is realized.

10. The movable side window of the automatic lifting cab according to claim 1, 3, 8 or 9, wherein the movable side window further comprises a control box, and the control box is in control connection with the movable side window and is used for realizing automatic control of the movable side window.

Technical Field

The invention relates to the technical field of locomotives, in particular to a movable side window of an automatic lifting cab.

Background

The practical side windows of the traditional locomotive cab are divided into two types: the movable side window is of an up-and-down lifting type structure and the movable side window is of a front-and-back push-pull type structure. The movable side window with the up-and-down pull type structure mainly comprises a fixed frame, a group of movable windows and a balance mechanism for pulling the movable windows. The installation mode is that the fixing frame is placed between two groups of cab steel structure upright columns in a push-in mode from the inner side of the cab, the fixing frame is fixed on the steel structure upright columns through screws and the like after being aligned with the skin opening, and the use mode is pull-down opening and pull-up closing. The movable side window with the front-back push-pull structure mainly comprises a fixed frame and two groups of movable windows (or a group of fixed windows and a group of movable windows), the movable side window is arranged in a mode of pushing in from the outer side of a cab through a skin installation opening, a flange of the fixed frame is fixed on a steel structure skin through screws and the like, and the movable side window is opened in a mode of pushing in forwards and is closed later. Namely, the traditional cab side window needs people to manually push up and down/push back and forth, and the operation is complicated and inconvenient.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides the movable side window of the automatic lifting cab, which can automatically lift up and down, stop at any position, has good sealing performance after being closed, is flexible to operate and convenient to maintain.

The specific technical scheme is as follows:

a movable side window of an automatic lifting cab comprises a fixed window frame, a movable window, a coil spring balance mechanism and a main lifting cylinder;

the movable window comprises a movable window frame, movable window glass and a support frame, wherein a clamping groove is formed in the plane in the movable window frame for mounting the movable window glass, a handle is mounted at the upper part of the movable window frame, guide wheel shafts are respectively fixed on two sides of the movable window frame, guide wheels are sleeved on the guide wheel shafts, sliding blocks are respectively fixed on two sides of the guide wheel shafts, and the support frame is fixedly mounted at the lower end of the guide wheel shafts;

a sealing groove is formed in the outer side of the inner plane of the fixed window frame, guide grooves are formed in the direction of an included angle of 90 degrees with the sealing grooves on the left side and the right side, so that the guide wheels slide in the guide grooves, guide rails are arranged on the left side and the right side of the lower half portion of the fixed window frame, the sliding block is sleeved on the guide rails, a cylinder frame is arranged on the middle lower portion of the fixed window frame, and;

the lower end of the coil spring balance mechanism is fixed with the support frame, the left end and the right end of the coil spring balance mechanism are fixed with the cylinder frame, the dead weight of the movable window is balanced, the stop at any position is realized, and the motion load of the main lifting cylinder is reduced;

the upper end of the main lifting cylinder is fixed with the support frame, and the lower end of the main lifting cylinder is fixed with the bottom beam to drive the movable window to move up and down.

Preferably, the seal groove is used for installing a glass seal strip, the glass seal strip compression deformation surface is subjected to flocking treatment, and when the movable window is closed, the glass seal strip is lapped on the movable window to form a circle of closed ring, so that the waterproof sealing function is realized.

Preferably, light curtain sensors are further installed on the left side and the right side of the fixed window frame, and the movable window plays a role in preventing clamping in the ascending process.

Preferably, the fixed window frame is formed by opening an aluminum alloy section.

Preferably, the movable window glass is bonded in the clamping groove of the movable window frame through polyurethane glue.

Preferably, the movable window frame is made of aluminum alloy sections and integrally processed, and welding deformation is avoided.

Preferably, the roll spring balance mechanism comprises an installation rod, a bearing, a winding drum and a roll spring from inside to outside in sequence, installation holes are formed in two ends of the installation rod to enable the installation rod to be installed on the cylinder frame, and a row of through holes are formed in the tail end of the roll spring to enable the roll spring to be fixed with the support frame.

Preferably, the movable side window comprises a movable window movement control mechanism, the movable window movement control mechanism comprises an air cylinder locking mechanism, an upper limit switch and a lower limit switch, and the upper limit switch and the lower limit switch control the movement stroke of the movable window.

Preferably, the cylinder locking mechanism is arranged on the cylinder frame, and when the movable window frame is closed in place, the cylinder locking mechanism moves forwards to prop against the main lifting cylinder to lock the movable window, so that the locking and sealing effects are realized.

Preferably, the movable side window further comprises a control box, and the control box is in control connection with the movable side window and is used for realizing automatic control of the movable side window.

The invention has the advantages of simple and compact structure, convenient maintenance, beautiful appearance, good sealing performance, high reliability, long service life and the like.

Drawings

FIG. 1 is a schematic view of a side window of the present invention in a closed state;

FIG. 2 is a schematic view of the side window of the present invention in an open state;

FIG. 3 is a schematic cross-sectional view of a fixed window frame according to the present invention;

FIG. 4 is a schematic cross-sectional view of a glass sealing strip according to the present invention;

FIG. 5 is a schematic view of a movable window according to the present invention;

FIG. 6 is a schematic structural view of a coil spring balancing mechanism according to the present invention;

FIG. 7 is a schematic view of a slider rail configuration of the present invention;

FIG. 8 is a schematic structural view of a cylinder lock mechanism according to the present invention;

FIG. 9 is a schematic view of the connection relationship of the electric control valves of the control box part of the present invention;

FIG. 10 is a schematic view of the construction of the bottom beam of the fixed frame of the present invention;

fig. 11 is a schematic view of the structure of the cylinder frame of the present invention.

1. Fixing a window frame; 2. a light curtain sensor; 3. a movable window glass; 4. an upper limit switch; 5. a coil spring balancing mechanism; 6. a control box; 7. a lower limit switch; 8. a bottom beam; 9. a main lifting cylinder; 10. a cylinder locking mechanism; 11. a cylinder frame; 12. a glass seal strip; 13. a guide wheel; 14. a guide wheel shaft; 15. a movable window frame; 16. a handle; 17. a support frame; 18. polyurethane glue; 19. mounting a rod; 20. a bearing; 21. a reel; 22. a coil spring; 23. a guide rail; 24. a slider; 25. a sealing groove; 26. a guide groove; 27. a mini cylinder; 28. a rotary joint; 29. a slide bar; 30. a buffer block; 31. a compression spring; 32. a two-position five-way valve; 33. a three-position five-way valve; 34. a pressure regulating valve; 35. a stop valve; 36. a two-position three-way valve.

Detailed Description

The invention is further illustrated by the following specific examples.