Elevator ascending overspeed protection device

Abstract

The utility model discloses an elevator ascending overspeed protection device, and relates to the field of elevator overspeed protection, the elevator ascending overspeed protection device comprises an elevator car, four limiting sliding rails, an overspeed protection device body and a hoisting rope, the hoisting rope is installed on the elevator car, the limiting sliding rails are arranged on the periphery of the elevator car, and the limiting sliding rails are arranged on the elevator car. The number of the overspeed protection device bodies is four, the overspeed protection device bodies are arranged on the periphery of the top of an elevator car, and each overspeed protection device body comprises a speed measuring sensor. A handle is pulled upwards, the handle moves upwards to drive a lifting plate to move upwards along with the lifting plate, a corresponding positioning spring is compressed, at the moment, positioning and mounting of a mounting plate can be relieved, a speed measuring sensor can be detached, replaced or maintained, and then under the reset effect of the positioning spring, the speed measuring sensor can be detached, replaced or maintained. Therefore, the replaced speed measurement sensor can be quickly positioned and installed, and the convenience and the flexibility in use are improved.

Description

TECHNICAL FIELD

[0001] The application relates to the field of elevator overspeed protection, in particular to an elevator upward overspeed protection device. BACKGROUND

[0002] An elevator refers to a power-driven electromechanical device for lifting or parallel conveying people or goods, which is composed of a box body running on rigid guide rails or steps running along fixed lines. The elevator includes a passenger (cargo) elevator, escalator and moving sidewalk. A vertical elevator serves a building with specified floors, and a vertical lifting elevator has a car that runs between at least two vertical or inclined guide rails with an inclination angle less than 15°, facilitating the entry and exit of passengers or the loading and unloading of goods. When the elevator fails during operation and overspeeds upward, an elevator upward overspeed protection device is needed.

[0003] According to the search, a patent with the patent authorization publication number CN219116899U discloses an elevator upward overspeed protection device, which comprises an elevator car, limiting slide rails and an overspeed protection device body. The limiting slide rails are four in number and are arranged around the elevator car.

[0004] The elevator upward overspeed protection device in the above patent has the following disadvantages: the device can achieve the effect of reducing speed, avoiding the damage to the passengers in the elevator car caused by the too fast speed of the elevator car, and the speed is detected by the speed detection sensor. However, the speed detection sensor needs to be disassembled, maintained or replaced after long-time use, and the device does not have a device for quick disassembly and assembly, so that the convenience and flexibility of the device can be further improved. Content of the utility model

[0005] In order to improve the convenience and flexibility of the speed detection sensor in use, the application provides an elevator upward overspeed protection device.

[0006] The elevator upward overspeed protection device provided by the application adopts the following technical scheme: an elevator upward overspeed protection device, comprising an elevator car, limiting slide rails, an overspeed protection device body and a traction rope. The traction rope is installed on the elevator car. The limiting slide rails are four in number and are arranged around the elevator car. The overspeed protection device body is four in number and is arranged around the top of the elevator car. The overspeed protection device body comprises a speed detection sensor. The speed detection sensor is detachably installed on the top of the overspeed protection device body. The top of the overspeed protection device body is provided with an installation mechanism for positioning and installing the speed detection sensor.

[0007] The mounting mechanism comprises two fixed columns symmetrically fixed on the top of the overspeed protection device body, a lifting plate slidably sleeved on the two fixed columns, a support frame fixedly installed on one end of the top of the two fixed columns, the two support frames fixedly installed on the top of the overspeed protection device body, an installation plate fixedly installed on one side of the speed sensor, a positioning spring sleeved on the two fixed columns, and the two ends of the positioning spring symmetrically fixedly installed on the side of the lifting plate and the support frame close to each other.

[0008] By pulling the handle upwards, the handle moves upwards to drive the lifting plate to move upwards, and the corresponding positioning spring is compressed. At this time, the positioning and installation of the installation plate can be released, and the speed sensor can be disassembled, replaced or maintained. Therefore, the positioning and installation of the replaced speed sensor can be quickly completed through the resetting action of the positioning spring, improving the convenience and flexibility during use.

[0009] Preferably, a positioning groove is formed in the top of the installation plate, and a positioning block is slidably installed in the positioning groove.

[0010] By adopting the above technical scheme, the positioning groove and the positioning block are provided to assist in installation and positioning.

[0011] Preferably, the lifting plate is above the installation plate, and the handle is provided with a non-slip pad.

[0012] By adopting the above technical scheme, the non-slip pad is provided to increase the friction.

[0013] Preferably, the first connecting rod and the second connecting rod are respectively fixedly installed on the sides close to each other of the two overspeed protection device bodies, and the first connecting rod and the second connecting rod are hollow inside.

[0014] By adopting the above technical scheme, the first connecting rod and the second connecting rod are hollow inside, thereby assisting in installation.

[0015] Preferably, an adjusting rod is embedded in the first connecting rod, and the adjusting rod is slidably installed in the second connecting rod.

[0016] By adopting the above technical scheme, the adjusting rod is provided to stretch and retract.

[0017] Preferably, a first installation hole and a second installation hole are respectively formed in the second connecting rod and the adjusting rod, the second installation hole extends to the top of the elevator car, and the first installation hole and the second installation hole are the same size.

[0018] By adopting the technical scheme, the first mounting hole and the second mounting hole are arranged to assist the mounting.

[0019] Preferably, the first mounting hole and the second mounting hole are provided with the same mounting column, and the exposed surface of the mounting column is provided with threads, and the threads are screwed with nuts.

[0020] By adopting the technical scheme, the nuts are rotated and removed, and the multiple mounting columns can be removed at this time, so that the splicing and mounting of the first connecting rod and the second connecting rod can be released, and the corresponding overspeed protection device body can be disassembled and replaced, thereby improving the convenience of the overspeed protection device body in later use.

[0021] In summary, the present application has at least one of the following beneficial technical effects:

[0022] 1. The present application adopts the cooperation of the mounting plate and the like, the handle is pulled upward, the handle moves upward to drive the lifting plate to move upward, and the corresponding positioning spring is compressed, so that the positioning and mounting of the mounting plate can be released, the speed sensor can be disassembled, replaced or maintained, and the positioning and mounting of the replaced speed sensor can be quickly completed through the resetting action of the positioning spring, thereby improving the convenience and flexibility in use.

[0023] 2. The present application adopts the cooperation of the first connecting rod and the like, the nuts are rotated and removed, and the multiple mounting columns can be removed at this time, so that the splicing and mounting of the first connecting rod and the second connecting rod can be released, and the corresponding overspeed protection device body can be disassembled and replaced, thereby improving the convenience of the overspeed protection device body in later use. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole structure schematic diagram of an elevator upward overspeed protection device of an embodiment of the present application;

[0025] Figure 2 It is a schematic diagram mainly embodying the assembly structure of an embodiment of the present application;

[0026] Figure 3 It is a schematic diagram mainly embodying the mounting structure of an embodiment of the present application;

[0027] Figure 4 It is a local expansion schematic diagram mainly embodying the assembly structure of an embodiment of the present application.

[0028] Mark No. : 1, elevator car; 2, limiting slide rail; 3, overspeed protection device body; 4, traction rope; 5, speed sensor; 6, first connecting rod; 7, second connecting rod; 8, mounting plate; 9, lifting plate; 10, positioning groove; 11, positioning block; 12, fixed column; 13, nut; 14, positioning spring; 15, support frame; 16, handle; 17, adjusting rod; 18, first mounting hole; 19, second mounting hole; 20, mounting column; 21, thread. DETAILED DESCRIPTION

[0029] The following will be described in detail in combination with the accompanying Figures 1-4 The application is further described in detail.

[0030] The application discloses an elevator upward overspeed protection device.

[0031] Reference Figures 1-3 An elevator upward overspeed protection device, comprising an elevator car 1, limiting slide rails 2, overspeed protection device bodies 3 and a traction rope 4, the traction rope 4 is installed on the elevator car 1, the traction rope 4 is a prior art, therefore, the specific structure and use process are not elaborated too much, the number of the limiting slide rails 2 is four, and the limiting slide rails 2 are arranged at four peripheries of the elevator car 1, the number of the overspeed protection device bodies 3 is four, and the overspeed protection device bodies 3 are arranged at four peripheries of the top of the elevator car 1, the overspeed protection device body 3 comprises a speed sensor 5, the speed sensor 5 is detachably installed at the top of the overspeed protection device body 3, the overspeed protection device body 3 and the speed sensor 5 are prior arts, therefore, the specific structure and use process are not elaborated too much, a mounting mechanism arranged at the top of the overspeed protection device body 3 and used for positioning and installing the speed sensor 5 and an assembling mechanism arranged on the overspeed protection device body 3.

[0032] Among them, the mounting mechanism comprises two fixed columns 12 symmetrically and fixedly installed at the top of the overspeed protection device body 3, one lifting plate 9 slidably sleeved on the two fixed columns 12, two support frames 15 fixedly installed at one end of the top of the two fixed columns 12, the two support frames 15 are fixedly installed on the top of the overspeed protection device body 3, a mounting plate 8 fixedly installed on one side of the speed sensor 5, two positioning springs 14 sleeved on the two fixed columns 12, the two ends of the two positioning springs 14 are symmetrically fixedly installed on one side of the lifting plate 9 and the support frame 15 close to each other, a handle 16 fixedly installed at the top of the lifting plate 9, a positioning groove 10 opened at the top of the mounting plate 8, a positioning block 11 slidably installed in the positioning groove 10, the positioning block 11 is fixedly connected with the lifting plate 9, the lifting plate 9 is above the mounting plate 8, and an antiskid pad is arranged on the handle 16.

[0033] In use, by pulling the handle 16 upward, the handle 16 is moved upward to drive the lifting plate 9 to move upward, and the corresponding positioning spring 14 is compressed, at this time, the positioning and installation of the mounting plate 8 can be released, and the speed sensor 5 can be disassembled, replaced or maintained, and then through the reset action of the positioning spring 14, the positioning and installation of the replaced speed sensor 5 can also be quickly completed, and the convenience and flexibility in use are improved.

[0034] Referring to Figures 2-4 , the assembly mechanism comprises a first connecting rod 6 and a second connecting rod 7 fixedly installed on the sides close to each other of the two adjacent overspeed protection device bodies 3, the interiors of the first connecting rod 6 and the second connecting rod 7 are hollow, an adjusting rod 17 is embedded in the first connecting rod 6, the adjusting rod 17 is slidingly installed in the second connecting rod 7, a first mounting hole 18 and a second mounting hole 19 are respectively formed on the second connecting rod 7 and the adjusting rod 17, the second mounting hole 19 extends to the top of the elevator car 1, the first mounting hole 18 and the second mounting hole 19 are the same size, the same mounting column 20 is installed in the first mounting hole 18 and the second mounting hole 19, the surface of the mounting column 20 exposed outside is provided with threads 21, and a nut 13 is screwed on the threads 21.

[0035] In use, by rotating the nut 13 and dismounting the nut 13, the dismounting of the mounting column 20 can be completed, the splicing and installation of the first connecting rod 6 and the second connecting rod 7 can be released, and the dismounting and replacement of the corresponding overspeed protection device body 3 can be completed, so that the convenience of the overspeed protection device body 3 in later use is improved.

[0036] The implementation principle of the elevator upward overspeed protection device in the embodiment of the application is that when the elevator car 1 moves up and down, the overspeed protection device body 3 moves up and down, the moving speed of the limiting slide rail 2 is detected by the speed sensor 5, the moving speed of the elevator car 1 is determined, when the moving speed of the elevator car 1 is too fast, the overspeed protection device body 3 can slow down the elevator car 1, so that the protection effect is achieved, and the use effect is improved.

[0037] When the speed sensor 5 needs to be disassembled, replaced or maintained, the handle 16 is first pulled upward, the handle 16 is moved upward to drive the lifting plate 9 to move upward, and the corresponding positioning spring 14 is compressed, at this time, the positioning and installation of the mounting plate 8 can be released, and the speed sensor 5 can be disassembled, replaced or maintained, and then through the reset action of the positioning spring 14, the positioning and installation of the replaced speed sensor 5 can also be quickly completed, and the convenience and flexibility in use are improved.

[0038] By rotating the nut 13 and dismounting the nut 13, the dismounting of the plurality of mounting columns 20 can be completed, the splicing and mounting of the first connecting rod 6 and the second connecting rod 7 can be released, the dismounting and replacement of the corresponding overspeed protection device body 3 can be completed, and therefore the convenience of the overspeed protection device body 3 in later use can be improved.

[0039] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An elevator up-speed protection device, comprising an elevator car (1), a limiting slide rail (2), an up-speed protection device body (3) and a traction rope (4), the traction rope (4) is installed on the elevator car (1), the number of the limiting slide rail (2) is four, and the limiting slide rail (2) is arranged at four sides of the elevator car (1) respectively, the number of the up-speed protection device body (3) is four, and the up-speed protection device body (3) is arranged at the top of the elevator car (1) at four sides respectively, the up-speed protection device body (3) comprises a speed sensor (5), and the speed sensor (5) is detachably installed at the top of the up-speed protection device body (3), characterized in that: The top of the overspeed protection device body (3) is provided with a mounting mechanism for positioning and installing a speed sensor (5); ​ The mounting mechanism comprises two fixed columns (12) symmetrically fixedly installed on the top of the overspeed protection device body (3), one lifting plate (9) is slidably sleeved on the two fixed columns (12), a support frame (15) is fixedly installed on one end of the top of the two fixed columns (12), the two support frames (15) are fixedly installed on the top of the overspeed protection device body (3), one side of the speed sensor (5) is fixedly installed with a mounting plate (8), a positioning spring (14) is sleeved on the two fixed columns (12), and both ends of the two positioning springs (14) are symmetrically fixedly installed on the side of the lifting plate (9) and the support frame (15) close to each other, and a handle (16) is fixedly installed on the top of the lifting plate (9).

2. An elevator overspeed protection device according to claim 1, characterized in that The top of the mounting plate (8) is provided with a positioning groove (10), and the positioning groove (10) is slidably installed with a positioning block (11), and the positioning block (11) is fixedly connected with the lifting plate (9).

3. An elevator overspeed protection device according to claim 2, characterized in that The lifting plate (9) is located above the mounting plate (8), and the handle (16) is provided with a non-slip pad.

4. The elevator overspeed protection device of claim 1, wherein: The side close to each other of the two overspeed protection device bodies (3) is respectively fixedly installed with a first connecting rod (6) and a second connecting rod (7), and the first connecting rod (6) and the second connecting rod (7) are hollow.

5. An elevator overspeed protection device according to claim 4, characterized in that The first connecting rod (6) is embedded with an adjusting rod (17), and the adjusting rod (17) is slidably installed in the second connecting rod (7).

6. An elevator overspeed protection device according to claim 5, characterized in that First and second installation holes (18) and (19) are respectively formed in the second connecting rod (7) and the adjusting rod (17), the second installation hole (19) extends to the top of the elevator car (1), and the first and second installation holes (18) and (19) are the same size.

7. An elevator overspeed protection device according to claim 6, characterized in that An installation column (20) is arranged in the first and second installation holes (18) and (19), a thread (21) is formed on the surface of the installation column (20) exposed to the outside, and a nut (13) is screwed on the thread (21).

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