Improved air door locking device

Abstract

The utility model provides an improved air door locking device which comprises a door frame, and a first connecting shell and a second connecting shell are fixed to the upper end and the lower end of the door frame through bolts respectively. Steering shafts are embedded in the left and right sides in the door frame through bearings; driving seats are fixed to the upper and lower parts of the outer wall of the steering shaft through bolts, and air doors are welded to the rear ends of the driving seats; stepping motors are fixed to the left side and the right side in the first connecting shell through bolts, and an output shaft is connected with the upper end of the steering shaft in an embedded mode. The control cabinet is fixed to the middle in the second connecting shell through bolts. Positioning column structures are fixed to the left side and the right side in the second connecting shell. A detection shell structure is fixed to the lower end of the second connecting shell. Through the arrangement of the positioning column structure, the friction force after locking is increased, so that the fastening effect is improved, and the situation that use of the air door is affected due to the fact that the air door is easily blown open by large air volume is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of air door locking, especially relates to an improved air door locking device. BACKGROUND

[0002] The air door locking device is a kind of device that is used to fix the air door of coal mine ventilation in closed state to realize locking, which effectively prevents being opened easily after the air door is closed to increase the safety of opening and closing, but the fastening effect is poor in the closing process, and the air door is forced to open under the influence of large wind volume, which affects use and further affects the use of air door. CONTENT OF UTILITY MODEL

[0003] To solve the above technical problems, the utility model provides an improved air door locking device, which realizes the function of reinforcing and locking after the air door is closed, and avoids being easily blown open by large wind volume to affect the use of air door.

[0004] The technical scheme is as follows: an improved air door locking device, including door frame, the upper and lower ends of door frame are bolted with first connecting shell and second connecting shell respectively, the left and right sides in the door frame are embedded with steering shaft through bearing respectively, the upper and lower parts of the outer wall of steering shaft are bolted with driving seat, and the rear end of driving seat is welded with air door, the left and right sides in the first connecting shell are bolted with stepper motor, and the output shaft is embeddedly connected with the upper end of steering shaft, the middle part in the second connecting shell is bolted with control cabinet, the left and right sides in the second connecting shell are fixed with positioning column structure, and the lower end of second connecting shell is fixed with detection shell structure, characterized in that the positioning column structure includes transmission column, the left and right sides of transmission column are provided with reinforcing column, the upper part of the outer wall of transmission column is welded with top disc, and the lower part of the outer wall of transmission column is connected with movable disc structure.

[0005] Preferably, the movable disc structure includes friction disc, the left and right sides of the lower end of friction disc are bolted with first electric cylinder and second electric cylinder.

[0006] Preferably, the transmission column is welded with the bottom of steering shaft through the lower part of door frame.

[0007] Preferably, the two sides of the surface of top disc are in contact with the reinforcing column provided with multiple reinforcing columns.

[0008] Compared with the prior art, the utility model has the advantages that:

[0009] In the utility model, the transmission column is connected with steering shaft to drive rotation.

[0010] In the utility model, the top disc and friction disc are arranged to realize the function of locking the transmission column.

[0011] The reinforcing column, the first electric cylinder and the second electric cylinder are arranged, the friction force after locking is increased, the fastening effect is further increased, and the air door is prevented from being easily blown open by a large air volume, thereby affecting the use of the air door. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structural schematic view of the utility model.

[0013] Figure 2 is a structural schematic view of the positioning column structure of the utility model.

[0014] Figure 3 is a structural schematic view of the movable disc structure of the utility model.

[0015] Figure 4 is a structural schematic view of the detection shell structure of the utility model.

[0016] In the drawings:

[0017] 1, door frame; 2, first connecting shell; 3, second connecting shell; 4, air door; 5, driving seat; 6, steering shaft; 7, stepping motor; 8, control cabinet; 9, positioning column structure; 91, transmission column; 92, top disc; 93, reinforcing column; 94, movable disc structure; 941, friction disc; 942, first electric cylinder; 943, second electric cylinder; 10, detection shell structure; 101, hollow shell; 102, angle sensor. DETAILED DESCRIPTION

[0018] The utility model is further described below in combination with the drawings:

[0019] Embodiment:

[0020] As shown in the accompanying drawings Figure 1 An improved air door locking device, including door frame 1, the upper and lower ends of door frame 1 are bolted with first connecting shell 2 and second connecting shell 3 respectively; the left and right sides in door frame 1 are embedded with steering shaft 6 through bearing respectively; the upper and lower parts of the outer wall of steering shaft 6 are bolted with driving seat 5, and the rear end of driving seat 5 is welded with air door 4; the left and right sides in first connecting shell 2 are bolted with stepping motor 7, and the output shaft is embeddedly connected with the upper end of steering shaft 6; the middle part in second connecting shell 3 is bolted with control cabinet 8; the left and right sides in second connecting shell 3 are fixed with positioning column structure 9; the lower end of second connecting shell 3 is fixed with detection shell structure 10.

[0021] As shown in the accompanying drawings Figure 2As shown in the above embodiment, specifically, the positioning column structure 9 includes a transmission column 91, and reinforcing columns 93 are arranged on the left and right sides of the transmission column 91; a top disc 92 is welded on the upper part of the outer wall of the transmission column 91; and a movable disc structure 94 is connected to the lower part of the outer wall of the transmission column 91; the first electric cylinder 942 and the second electric cylinder 943 are driven to drive the friction disc 941 to abut against the top disc 92 to be locked by the friction force.

[0022] As shown in the accompanying drawings Figure 3 As shown in the above embodiment, specifically, the movable disc structure 94 includes a friction disc 941, and the first electric cylinder 942 and the second electric cylinder 943 are bolted on the left and right sides of the lower end of the friction disc 941.

[0023] As shown in the accompanying drawings Figure 4 As shown in the above embodiment, specifically, the detection shell structure 10 includes a hollow shell 101, and angle sensors 102 are bolted on the left and right sides inside the hollow shell 101.

[0024] In the above embodiment, specifically, the transmission column 91 is welded at the bottom of the steering shaft 6 through the lower part of the door frame 1.

[0025] In the above embodiment, specifically, the two sides of the surface of the top disc 92 are in contact with the reinforcing columns 93.

[0026] In the above embodiment, specifically, the reinforcing columns 93 correspond to the first electric cylinder 942 and the second electric cylinder 943, and the first electric cylinder 942 and the second electric cylinder 943 are bolted below the inside of the second connecting shell 3, respectively.

[0027] In the above embodiment, specifically, the friction disc 941 is sleeved on the outer wall of the transmission column 91, and is arranged correspondingly with the top disc 92.

[0028] In the above embodiment, specifically, the output shafts of the first electric cylinder 942 and the second electric cylinder 943 are connected with the friction disc 941.

[0029] In the above embodiment, specifically, the hollow shell 101 is bolted at the bottom of the second connecting shell 3, and the output shafts of the angle sensors 102 inside are embedded and connected with the lower side inside the reinforcing column 93 through the hollow shell 101 and the second connecting shell 3, so as to be driven to rotate and detect the angle.

[0030] In the above embodiment, specifically, the PLC and the button inside the control cabinet 8 are electrically connected with each other, and the stepping motor 7, the first electric cylinder 942, the second electric cylinder 943 and the angle sensor 102 are electrically connected with the PLC.

[0031] Working principle

[0032] The utility model discloses a working principle: when controlling the switch and locking of air door 4, drive stepper motor 7 to drive driving seat 5, steering shaft 6 and air door 4 rotate and switch, and switch through transmission column 91 transmission and through angle sensor 102 detection control switch angle to control size, complete after all drive first electric cylinder 942 and second electric cylinder 943 drive friction disc 941 and press against top disc 92 and utilize friction force and lock and complete use.

[0033] The technical scheme disclosed by the utility model, or the technical scheme designed by the person skilled in the art under the inspiration of the technical scheme of the utility model, similar technical schemes are designed to achieve the above technical effects, and all fall within the protection scope of the utility model.

Claims

1. An improved damper locking device, comprising a door frame (1), wherein a first connecting shell (2) and a second connecting shell (3) are bolted to the upper and lower ends of the door frame (1); a steering shaft (6) is embedded in the left and right sides of the door frame (1) through bearings; a drive seat (5) is bolted to the upper and lower parts of the outer wall of the steering shaft (6), and a damper (4) is welded to the rear end of the drive seat (5); a stepper motor (7) is bolted to the left and right sides of the first connecting shell (2), and the output shaft is embedded and connected to the upper end of the steering shaft (6); a control cabinet (8) is bolted to the middle part of the second connecting shell (3); a positioning column structure (9) is fixed to the left and right sides of the second connecting shell (3); and a detection shell structure (10) is fixed to the lower end of the second connecting shell (3), characterized in that, The positioning column structure (9) includes a transmission column (91), and reinforcing columns (93) are provided on both the left and right sides of the transmission column (91); a top plate (92) is welded to the upper part of the outer wall of the transmission column (91); and a movable disc structure (94) is connected to the lower part of the outer wall of the transmission column (91).

2. The improved damper locking device as described in claim 1, characterized in that, The movable disc structure (94) includes a friction disc (941), and a first electric cylinder (942) and a second electric cylinder (943) are bolted to the left and right sides of the lower end of the friction disc (941).

3. The improved damper locking device as described in claim 1, characterized in that, The detection shell structure (10) includes a hollow shell (101), and angle sensors (102) are bolted to both the left and right sides inside the hollow shell (101).

4. The improved damper locking device as described in claim 1, characterized in that, The transmission column (91) passes through the lower part of the door frame (1) and is welded to the bottom of the steering shaft (6). The two sides of the surface of the top plate (92) are in contact with multiple reinforcing columns (93).

5. The improved damper locking device as described in claim 2, characterized in that, The reinforcing columns (93) are all corresponding to the first electric cylinder (942) and the second electric cylinder (943), and the first electric cylinder (942) and the second electric cylinder (943) are respectively bolted to the lower part of the second connecting shell (3).

6. The improved damper locking device as described in claim 2, characterized in that, The friction disc (941) is sleeved on the outer wall of the transmission column (91) and is correspondingly arranged with the top plate (92). The output shafts of the first electric cylinder (942) and the second electric cylinder (943) are connected to the friction disc (941).

7. The improved damper locking device as described in claim 3, characterized in that, The hollow shell (101) is bolted to the bottom of the second connecting shell (3), and the output shaft of the internal angle sensor (102) passes through the hollow shell (101) and the second connecting shell (3) and is embedded in the lower side of the reinforcing column (93) so as to detect the angle when it is driven to rotate.

Images