Double-brake box type elevator safety tongs

Abstract

The utility model provides a pair of dual-brake box type elevator safety tongs which comprises a connecting plate, two shells are arranged in front of the connecting plate, and the back face of each shell is fixedly connected with the front face of the connecting plate. Through the design of a mounting piece, a pin shaft piece and a connecting piece, a connecting rod is convenient to obliquely move under thrust, at the moment, according to the connection relation of the controller, the speed limiter and the elevator safety system, a signal is conveniently sent to the controller after the set value of the speed limiter exceeds the range, and the controller conveniently controls an electric push rod to be started after receiving an instruction; at the moment, an electric push rod conveniently pushes two sets of connecting rods to get close to each other, the electric push rod can incline, then by means of movement of the connecting rods, a braking push plate can conveniently push a braking plate to get close to a sliding rail, and the purpose of clamping braking is conveniently achieved. And the braking effect and the safety can be further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator safety gear technical field especially relates to a double brake box type elevator safety gear. BACKGROUND

[0002] The elevator safety gear is the important component in the elevator safety system, is mainly used for protecting the safety of passenger and equipment when the elevator appears abnormal situation, when the elevator operating speed exceeds the set value, the safety gear will be triggered, and the guide rail is clamped tightly, prevents the elevator from continuing to accelerate or falling, in the case where the elevator suspension rope breaks or relaxes, the safety gear can make the car emergency stop on the guide rail, prevents its falling, the safety gear is usually connected with the speed detection system of the elevator, when the elevator speed exceeds the safety threshold, the speed limiter will trigger the safety gear, makes it clamp the guide rail.

[0003] The elevator safety gear is usually used to push the clamping block to clamp and limit the slide rail by two clamping plates at the present stage, however, once loosening occurs, the elevator is prone to falling, the mode is single, the safety is low, is not favorable to the present use, and needs to be improved, therefore, it is necessary to provide a double brake box type elevator safety gear to solve the above technical problems. SUMMARY

[0004] In order to solve the above technical problems, the utility model provides a double brake box type elevator safety gear for solving the problems that the elevator safety gear is usually used to push the clamping block to clamp and limit the slide rail by two clamping plates at the present stage, however, once loosening occurs, the elevator is prone to falling, the mode is single, the safety is low, is not favorable to the present use, and needs to be improved.

[0005] The utility model provides a double brake box type elevator safety gear, including the connecting plate, the front of connecting plate is equipped with two casing, the back of every casing all is with the front fixed connection of connecting plate, the front of connecting plate is equipped with the support block, the upper surface of support block and the bottom of support block are fixedly connected with the side face of two casing that is close to each other respectively, the left and right sides of every casing all are fixedly connected with the support frame, the inboard wall of every support frame all is hinged with electric push rod through connecting piece, the inboard wall of every casing all is fixedly connected with the slide plate, the inboard wall of every slide plate all is connected with two connecting rods, the inboard wall of every casing all is fixedly connected with two mounting pieces, the inboard wall of every mounting piece all is hinged with the outer surface of connecting rod through pin shaft, the end away from connecting piece of every electric push rod all is hinged with the outer surface of connecting rod through pin shaft piece, the front end of every connecting rod all is fixedly connected with brake push plate, the front of connecting plate is equipped with the controller, the front of connecting plate is equipped with the speed limiter.

[0006] Preferably, the two groups of braking push plates are fixedly connected with braking plates on the side close to each other, and the two groups of braking plates are fixedly connected with a group of anti-skid strips on the side close to each other.

[0007] Preferably, the back surface of the connecting plate is provided with two groups of round holes, and the inner wall of each round hole is provided with threads.

[0008] Preferably, the two groups of connecting rods are provided with operation marks, and the back surface of the operation mark is fixedly connected with the front surface of the supporting block.

[0009] Preferably, the right side surface of the speed limiter is fixedly connected with the left side surface of the supporting block, and the left side surface of the controller is fixedly connected with the right side surface of the supporting block.

[0010] Preferably, the left and right side surfaces of each shell are fixedly connected with reinforcing blocks, and the front surface of each reinforcing block is fixedly connected with the back surface of the supporting frame.

[0011] Compared with the related art, the double-braking box-type elevator safety clamp has the following beneficial effects:

[0012] The installation piece, the pin shaft piece and the connecting piece are designed, so that the connecting rods can be inclined to move under the thrust, and the controller can send a signal to the controller when the set value of the speed limiter exceeds the range, and the electric push rod can be started to control the controller after receiving the instruction, so that the two groups of connecting rods can be pushed to be close to each other, and the inclination phenomenon of the electric push rod also occurs, and the movement of the connecting rod is beneficial to the braking push plate to push the braking plate close to the slide rail, and the purpose of clamping and braking is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic diagram of the whole utility model;

[0014] Figure 2 It is a three-dimensional structure schematic diagram of the connecting plate of the utility model from the top;

[0015] Figure 3 It is a three-dimensional structure schematic diagram of the shell of the utility model from the top;

[0016] Figure 4 It is a sectional view of the shell of the utility model from the top.

[0017] The figure label: 1, brake push plate; 2, anti-skid strip; 3, pin shaft piece; 4, support block; 5, controller; 6, electric push rod; 7, shell; 8, connecting plate; 9, round hole; 10, support frame; 11, connecting piece; 12, speed limiter; 13, operation mark; 14, brake plate; 15, reinforcing block; 16, mounting piece; 17, sliding plate; 18, connecting rod. DETAILED DESCRIPTION

[0018] The utility model will be further described below in combination with the drawings and embodiments.

[0019] Please see Figure 1 , Figure 2 , Figure 3 And Figure 4 , a double brake box type elevator safety clamp, including connecting plate 8, the front of connecting plate 8 is equipped with two shells 7, the back of each shell 7 is fixedly connected with the front of connecting plate 8, the front of connecting plate 8 is equipped with support block 4, the upper surface of support block 4 and the bottom of support block 4 are fixedly connected with the side of two shells 7 that are close to each other respectively, the left and right two sides of each shell 7 are fixedly connected with support frame 10, the inner side wall of each support frame 10 is hinged with electric push rod 6 through connecting piece 11, the inner side wall of each shell 7 is fixedly connected with sliding plate 17, the inner wall of each sliding plate 17 is slidably connected with two connecting rods 18, the inner wall of each mounting piece 16 is hinged with the outer surface of connecting rod 18 through pin shaft, the end of each electric push rod 6 away from connecting piece 11 is hinged with the outer surface of connecting rod 18 through pin shaft piece 3, the front end of each connecting rod 18 is fixedly connected with brake push plate 1, the front of connecting plate 8 is equipped with controller 5, the front of connecting plate 8 is equipped with speed limiter 12, through the design of mounting piece 16, pin shaft piece 3 and connecting piece 11, it is convenient for connecting rod 18 to be inclined to move under the push force, at this time, according to the connecting relationship of controller 5, speed limiter 12 and elevator safety system, it is convenient for the controller 5 to send signals after the set value of speed limiter 12 exceeds the range, and it is convenient for controller 5 to control electric push rod 6 to start after receiving the instruction, at this time, electric push rod 6 is convenient for pushing two groups of connecting rods 18 to be close to each other, and itself will also appear the phenomenon of inclination, then using the movement of connecting rod 18, it is beneficial to brake push plate 1 to push brake plate 14 to be close to the slide rail, and it is convenient to realize the purpose of clamping brake, since the application is provided with two brake mechanisms, therefore, through the cooperation of two brake mechanisms, the brake effect and safety can be further improved.

[0020] In the implementation process, the side of the two groups of brake push plates 1 close to each other is fixedly connected with brake plates 14, the side of the two groups of brake plates 14 close to each other is fixedly connected with a group of anti-skid strips 2, the design of the anti-skid strips 2 and the brake plates 14 facilitates the purpose of anti-skid, the back surface of the connecting plate 8 is provided with two groups of round holes 9, the inner wall of each round hole 9 is provided with a thread, the cooperation of the round hole 9, the connecting plate 8 and the external mounting bolt facilitates the staff to install the device on the elevator, the operating mark 13 is arranged between the two housings 7, the back surface of the operating mark 13 is fixedly connected with the front surface of the supporting block 4, and the operating mark 13 facilitates the staff to understand the operation process of the device.

[0021] The right side of the speed limiter 12 is fixedly connected with the left side of the supporting block 4, the left side of the controller 5 is fixedly connected with the right side of the supporting block 4, the left and right sides of each housing 7 are fixedly connected with reinforcing blocks 15, and the front surface of each reinforcing block 15 is fixedly connected with the back surface of the supporting frame 10, so that the supporting frame 10 is supported.

[0022] The working principle of the double-brake box-type elevator safety clamp is as follows: in use, first, the cooperation of the round hole 9, the connecting plate 8 and the external mounting bolt can enable the staff to install the device on the elevator, then the slide rail is located between the two groups of brake push plates 1, however, after the speed limiter 12 is communicated with the elevator safety system, once the set value is exceeded, the speed limiter 12 sends a signal to the controller 5, and the controller 5 controls the electric push rod 6 to start, then the design of the connecting piece 11, the pin shaft piece 3 and the mounting piece 16 enables the electric push rod 6 to push the connecting rod 18 to slide in the slide plate 17, then according to the movement of the connecting rod 18, the brake push plate 1 approaches the slide rail, and through the cooperation of the brake push plate 1, the brake plate 14 and the anti-skid strip 2, the slide rail can be clamped and the purpose of braking can be achieved.

[0023] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0024] The above only describes the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and the drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A dual brake box-type elevator safety gear, characterized by, The utility model provides a kind of brake push plate, including connecting plate (8), the front of the connecting plate (8) is equipped with two housings (7), the back of each housing (7) is fixedly connected with the front of connecting plate (8), the front of the connecting plate (8) is equipped with support block (4), the upper surface of the support block (4) and the bottom of support block (4) are fixedly connected with the side of two housings (7) close to each other respectively, the left and right sides of each housing (7) are fixedly connected with support frame (10), the inner side wall of each support frame (10) is hinged with electric push rod (6) by connecting piece (11), the inner side wall of each housing (7) is fixedly connected with slide plate (17), the inner wall of each slide plate (17) is slidably connected with two connecting rods (18), the inner wall of each housing (7) is fixedly connected with two mounting pieces (16), the inner wall of each mounting piece (16) is hinged with the outer surface of connecting rod (18) by pin shaft, the end of each electric push rod (6) away from connecting piece (11) is hinged with the outer surface of connecting rod (18) by pin shaft piece (3), the front end of each connecting rod (18) is fixedly connected with brake push plate (1), the front of the connecting plate (8) is equipped with controller (5), the front of the connecting plate (8) is equipped with speed limiter (12).

2. A dual brake machine room elevator safety gear according to claim 1, characterized in that, The side of two groups of brake push plate (1) close to each other is fixedly connected with brake plate (14), the side of two groups of brake plate (14) close to each other is fixedly connected with a group of antiskid strip (2).

3. A dual brake machine room safety gear according to claim 1, wherein, The back of the connecting plate (8) is equipped with two groups of round holes (9), the inner wall of each round hole (9) is equipped with thread.

4. A dual brake machine room safety gear according to claim 1, wherein, Between two housings (7) is equipped with operation mark (13), the back of the operation mark (13) is fixedly connected with the front of support block (4).

5. A dual brake machine room safety gear according to claim 1, wherein, The right side of the speed limiter (12) is fixedly connected with the left side of support block (4), the left side of the controller (5) is fixedly connected with the right side of support block (4).

6. A dual brake machine room safety gear according to claim 1, wherein, The left and right sides of each housing (7) are fixedly connected with reinforcing block (15), the front of each reinforcing block (15) is fixedly connected with the back of support frame (10).

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