Apron board lock device for rail transit

Abstract

The utility model discloses an apron board lock device for rail transit. The apron board lock device comprises an apron board lock bottom plate, an unlocking air cylinder, a spring bolt, a cushion block, a connecting screw, a rotating arm, a transmitting rack, a safety shaft, a pin shaft, a torsion spring, a gear and a connecting plate. The unlocking air cylinder and the cushion block are located on the apron board lock bottom plate, the spring bolt, the rotating arm and the connecting plate are assembled and connected through the connecting screws, the gear is installed on the safety shaft and correspondingly matched with the transmitting rack, and one end of the transmitting rack is connected with the unlocking air cylinder. The pin shaft is installed on the apron board lock bottom plate, one end of the torsion spring is connected with the pin shaft, and the other end of the torsion spring is connected with the connecting screw. The utility model is formed by combining the left and right groups of crank-link mechanisms; before a vehicle runs, the apron board lock device needs to be locked through manual operation; in emergency, a driver needs to operate an unlocking button to automatically open; the escape time is shortened, and the emergency evacuation efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of rail transit, and in particular to a skirt locking device for rail transit. Background Technology

[0002] Currently, in rail transit train door systems, most passenger compartment doors on the lower side of the train body skirt are locked using a manual lock structure. In emergencies, personnel need to get off the train to unlock them, which increases escape time and reduces emergency evacuation efficiency.

[0003] Therefore, it is necessary to develop new types of skirt lock devices for rail transit that can automatically open in emergencies, shorten escape time, and improve the efficiency of emergency evacuation. Utility Model Content

[0004] Purpose of the utility model: To address the shortcomings and defects of the existing technology, this utility model provides a skirt lock device for rail transit, which is composed of two sets of crank-connecting rod mechanisms on the left and right sides. Before the vehicle starts running, the skirt lock device needs to be manually locked. In an emergency, the driver can automatically unlock it by pressing the unlock button. This shortens the escape time and improves the efficiency of emergency evacuation.

[0005] Technical Solution: This utility model discloses a skirt lock device for rail transit, characterized in that it includes a skirt lock base plate, an unlocking cylinder, a lock tongue, a pad, a connecting screw, a rotating arm, a trigger rack, a safety shaft, a pin, a torsion spring, a gear, and a connecting plate; the unlocking cylinder and the pad are located on the skirt lock base plate; the lock tongue, the rotating arm, and the connecting plate are respectively assembled and connected by the connecting screw; the gear is installed on the safety shaft, and the gear and the trigger rack are correspondingly engaged, with one end of the trigger rack connected to the unlocking cylinder; the pin is installed on the skirt lock base plate, one end of the torsion spring is connected to the pin, and the other end of the torsion spring is connected to the connecting screw.

[0006] The skirt plate lock base plate is provided with two sets of crank connecting rod mechanisms on the left and right sides.

[0007] The skirt plate locking bottom plate is fastened to the vehicle body skirt plate by bolts.

[0008] The aforementioned vehicle skirt is located on the rail transit train.

[0009] The unlocking cylinder and the pad block are respectively fastened to the skirt plate lock base plate with screws.

[0010] The unlocking cylinder is fastened to the skirt plate lock base plate by an M4 countersunk hex screw.

[0011] The pad is fastened to the skirt plate lock base plate by an M6 countersunk hex screw.

[0012] The transmitting rack is fastened with an M4 socket head cap screw.

[0013] Beneficial Effects: Compared with the prior art, this utility model has the following significant advantages: This utility model is composed of two sets of crank-connecting rod mechanisms; before vehicle operation, the skirt lock device needs to be manually operated to lock; in an emergency, the driver can automatically open it by operating the unlock button; it shortens escape time and improves the efficiency of emergency evacuation. This utility model achieves automatic opening of the skirt through button operation, reaching the usage state; the skirt lock is simple, has a large load-bearing capacity, and is highly reliable; it adopts two sets of locks with independent structures, which can avoid single-point failure mode; it is easy to operate, has high safety in an emergency, and can be manually opened in the case of no power or gas; it is suitable for rail passenger compartment doors, and has little impact on the size of existing door systems, and can be used in various working conditions. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;

[0015] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ;

[0016] Figure 3 This is a schematic diagram of the structure of the present invention. Figure 3 ;

[0017] In the diagram, 1 is the skirt panel lock base plate; 2 is the unlocking cylinder; 3 is the lock tongue; 4 is the pad block; 5 is the connecting screw; 6 is the rotating arm; 7 is the signal rack; 8 is the safety shaft; 9 is the M4 countersunk hexagonal screw; 10 is the M6 ​​countersunk hexagonal screw; 11 is the pin shaft; 12 is the M4 socket head cap screw; 13 is the torsion spring; 14 is the gear; and 15 is the connecting plate. Detailed Implementation

[0018] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0019] like Figure 1 , Figure 2 , Figure 3The present invention relates to a skirt lock device for rail transit, comprising a skirt lock base plate 1, an unlocking cylinder 2, a locking tongue 3, a pad block 4, a connecting screw 5, a rotating arm 6, a trigger rack 7, a safety shaft 8, a pin 11, a torsion spring 13, a gear 14, and a connecting plate 15. The unlocking cylinder 2 and the pad block 4 are located on the skirt lock base plate 1. The locking tongue 3, the rotating arm 6, and the connecting plate 15 are respectively assembled and connected by the connecting screw 5. The gear 14 is installed on the safety shaft 8 and corresponds to the trigger rack 7. One end of the trigger rack 7 is connected to the unlocking cylinder 2. The pin 11 is installed on the skirt lock base plate 1. One end of the torsion spring 13 is connected to the pin 11, and the other end of the torsion spring 13 is connected to the connecting screw 5.

[0020] The skirt lock base plate 1 of this utility model is provided with two sets of crank-connecting rod mechanisms on the left and right sides. The skirt lock base plate 1 is fastened to the vehicle body skirt with bolts. The vehicle body skirt is located on the rail transit train. The unlocking cylinder 2 and the pad block 4 are respectively fastened to the skirt lock base plate 1 with screws. The unlocking cylinder 2 is fastened to the skirt lock base plate 1 with an M4 9 countersunk hexagonal screw. The pad block 4 is fastened to the skirt lock base plate 1 with an M6 10 countersunk hexagonal screw. The trigger rack 7 is fastened with an M4 12 socket head cap screw.

[0021] In use, during emergency deployment, the driver operates the control button to release air into the unlock cylinder 2. This, through the action of the signal rack 7 and gear 14, pushes the crank-connecting rod mechanism consisting of the locking tongue 3, connecting screw 5, rotating arm 6, and connecting plate 15. The force acting on the connecting plate 15 causes it to pass through the 180° dead point, and the locking tongues 3 on both sides retract, completing the unlocking. During emergency retraction, personnel need to manually operate the safety shaft 8 using the four-way key, rotating it counterclockwise by a certain angle. This causes the signal rack 7 and gear 14 to operate, pushing the locking tongue 3 to extend to both ends. The torsion springs 13 press against one end of the locking tongue 3 respectively, completing the locking.

[0022] The driver operates the unlock button, which pushes the unlock cylinder to activate the rack and pinion, which in turn drives the crank-connecting rod mechanism to move, thus completing the automatic unlocking. The driver then manually operates the safety shaft counterclockwise, which drives the gear to activate the crank-connecting rod mechanism, and the skirt is locked by passing the dead center of the connecting rod.

[0023] This utility model is composed of two sets of crank-connecting rod mechanisms, belonging to the crank-connecting rod and gear rack combination mechanism scheme; it can be automatically unlocked by electro-pneumatic control; before vehicle operation, the skirt lock device needs to be manually locked; in an emergency, the driver can automatically unlock it by pressing the unlock button. It can meet the needs of various working conditions, is safe and reliable, has a simple and convenient structure, and automatically opens in an emergency, shortening escape time and improving the efficiency of emergency evacuation.

Claims

1. A skirt lock device for rail transportation, characterized by: The system includes a skirt lock base plate (1), an unlocking cylinder (2), a lock tongue (3), a pad (4), a connecting screw (5), a rotating arm (6), a signal rack (7), a safety shaft (8), a pin (11), a torsion spring (13), a gear (14), and a connecting plate (15). The unlocking cylinder (2) and the pad (4) are located on the skirt lock base plate (1). The lock tongue (3), the rotating arm (6), and the connecting plate (15) are respectively assembled and connected by the connecting screw (5). The gear (14) is installed on the safety shaft (8). The gear (14) and the signal rack (7) are correspondingly engaged. One end of the signal rack (7) is connected to the unlocking cylinder (2). The pin (11) is installed on the skirt lock base plate (1). One end of the torsion spring (13) is connected to the pin (11), and the other end of the torsion spring (13) is connected to the connecting screw (5).

2. The skirt lock device for rail transit according to claim 1, characterized in that: The skirt plate locking bottom plate (1) is provided with two sets of crank connecting rod mechanisms on the left and right sides.

3. The skirt lock device for rail vehicle according to claim 1, wherein: The skirt plate locking bottom plate (1) is fastened to the vehicle body skirt plate by bolts.

4. The skirt locking device for rail transit according to claim 3, characterized in that: The aforementioned vehicle skirt is located on the rail transit train.

5. The skirtboard lock apparatus for rail transportation of claim 1, wherein: The unlocking cylinder (2) and the pad (4) are respectively fastened to the skirt plate lock base plate (1) by screws.

6. The skirtboard lock apparatus for rail transportation of claim 5, wherein: The unlocking cylinder (2) is fastened to the skirt plate lock base plate (1) by an internal hexagon countersunk screw M4 (9).

7. The skirtboard lock apparatus for rail transportation of claim 5, wherein: The pad (4) is fastened to the skirt plate lock base plate (1) by an internal hexagon countersunk screw M6 (10).

8. The skirtboard lock apparatus for rail transportation of claim 1, wherein: The transmitting rack (7) is fastened by an internal hexagonal socket screw M4 (12).

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