Self-adaptive cable take-up and pay-off elevator balance coefficient detection device

Abstract

The utility model relates to a self-adaptive cable take-up and pay-off elevator balance coefficient detection device, which belongs to the technical field of elevators and comprises a mounting plate, an elevator car is placed at the bottom of the mounting plate, two range finders are fixedly mounted on the bottom surface of the elevator car, a balancing weight is placed on the right side of the mounting plate, and a cable is arranged on the balancing weight. An adjusting assembly used for adjusting the balance of the elevator car is arranged on the mounting plate and comprises two steel wire ropes fixedly connected with the top face of the elevator car. According to the self-adaptive cable winding and unwinding elevator balance coefficient detection device, under the action of a distance meter, the elevator balance coefficient is conveniently detected, under the action of a limiting wheel, a steel wire rope is pushed to move, the tension of the steel wire rope is conveniently adjusted, the detection efficiency is improved, meanwhile, through threaded connection between a screw rod and a linkage plate, the detection accuracy is improved, and the detection efficiency is improved. And the movable frame is driven to move, operation of workers is facilitated, and the device is more convenient and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator technical field, concretely is a kind of self-adapting cable take-up and pay-off elevator balance coefficient detection device. BACKGROUND

[0002] Elevator is the permanent transport equipment of its car running in at least two columns vertical to horizontal plane or with inclination angle less than 15 degrees to plumb line, also has step type, step board is installed on continuous running caterpillar, commonly known as escalator or moving sidewalk, elevator balance coefficient is the important performance index of traction drive elevator.

[0003] The elevator balance coefficient detection device is disclosed in the publication number CN207330025U, which discloses a convenient detection technical solution, solves the problem that the existing elevator balance coefficient detection method needs to go up and down back and forth during testing, and the current coefficient is considered to be balanced, but this method is more cumbersome, time-consuming and labor-intensive, and the efficiency is low.

[0004] The device obtains the elevator balance coefficient by applying pressure to the sensor through the force arm, combining the weight of the car and the counterweight, and the proportion of the force arm and the traction wheel radius, but when adjusting the elevator balance coefficient, manual operation is required, which is not convenient for adjusting the elevator balance coefficient and reduces the detection efficiency, so a self-adaptive cable take-up and pay-off elevator balance coefficient detection device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the self-adaptive cable take-up and pay-off elevator balance coefficient detection device has the advantages of convenient adjustment, and solves the problem of inconvenient adjustment of the elevator balance coefficient and low detection efficiency of the existing elevator balance coefficient detection device.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The self-adaptive cable take-up and pay-off elevator balance coefficient detection device comprises a mounting plate, an elevator car is placed at the bottom of the mounting plate, two distance meters are fixedly installed on the bottom surface of the elevator car, a counterweight is placed on the right side of the mounting plate, and an adjusting assembly is arranged on the mounting plate to adjust the balance of the elevator car.

[0008] The adjusting assembly comprises two steel wires fixedly connected with the top surface of the elevator car, two accommodation grooves are formed in the bottom surface of the mounting plate, one end of the steel wire penetrates through the accommodation groove and extends to the counterweight, the steel wire is fixedly connected with the counterweight, the top surface of the mounting plate is fixedly connected with two mounting racks, the opposite side surface of the two mounting racks is fixedly connected with a first motor, the output end of the two first motors is fixedly connected with a driving rod penetrating through the mounting rack and extending to the inside of the mounting rack, the outer circumferential wall of the two driving rods is fixedly connected with a traction sheave, the two steel wires are wound on the outer circumferential wall of the two traction sheaves, the top surface of the mounting plate is provided with two moving racks, the inside of the two moving racks is rotatably connected with a connecting rod through a bearing, the outer circumferential wall of the two connecting rods is fixedly connected with a limiting wheel, and the two limiting wheels are in contact with the two steel wires respectively.

[0009] The mounting plate is provided with a driving assembly for driving the moving rack to move.

[0010] The mounting plate is provided with a supporting assembly for supporting the steel wire.

[0011] Further, the mounting rack and the moving rack are U-shaped racks, and the driving rod is rotatably connected with the mounting rack through a bearing.

[0012] Further, the two range finders are symmetrically distributed in front of and behind the center point of the elevator car, and the moving rack is located on the left side of the mounting rack.

[0013] Further, the driving assembly comprises two linkage plates, the two linkage plates are fixedly connected with the left side surface of the two moving racks respectively, the top surface of the mounting plate is provided with two sliding grooves, the two linkage plates extend to the inside of the two sliding grooves respectively, the inside of the two sliding grooves is fixedly connected with a fixed plate, the right side surface of the two fixed plates is fixedly connected with a second motor, the output end of the two second motors is fixedly connected with a screw rod penetrating through the fixed plate and extending to the inside of the sliding groove, and the screw rod penetrates through the linkage plate.

[0014] Further, the linkage plate is an L-shaped plate, the linkage plate and the sliding groove are slidingly connected, and the screw rod is rotatably connected with the fixed plate and the sliding groove through two bearings respectively.

[0015] Further, the right side surface of the two linkage plates is provided with a threaded hole, and the two screw rods penetrate through the two threaded holes and are screw-connected with the threaded holes.

[0016] Further, the support assembly comprises two limiting rods, both of which are rotatably connected in the interiors of two letting-in grooves through bearings, and the outer circumferential walls of both of the limiting rods are fixedly sleeved with support wheels, both of which are matched with two support wheels, respectively.

[0017] Further, the support assembly comprises two limiting rods, both of which are rotatably connected in the interiors of two letting-in grooves through bearings, and the outer circumferential walls of both of the limiting rods are fixedly sleeved with support wheels, both of which are matched with two support wheels, respectively.

[0018] Compared with the prior art, the self-adaptive cable winding and unwinding elevator balance coefficient detection device has the following beneficial effects:

[0019] The self-adaptive cable winding and unwinding elevator balance coefficient detection device can conveniently detect the balance coefficient of the elevator under the action of the range finder, conveniently adjust the tension of the steel wire rope under the action of the limiting wheel, improve the detection efficiency, and conveniently operate the moving frame through the threaded connection between the screw rod and the linkage plate, which is more convenient and practical. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a structural schematic view of the utility model;

[0021] Fig. 2 It is an enlarged schematic view of the internal structure of the front sliding groove in the utility model;

[0022] Fig. 3 It is a left side view of the mounting frame in the structure of the utility model;

[0023] Fig. 4 It is a structure perspective view of the linkage plate in the structure of the utility model.

[0024] In the drawing: 1 elevator car, 2 counterweight, 3 mounting plate, 4 steel wire rope, 5 fixed frame, 6 rotating rod, 7 guide wheel, 8 traction wheel, 9 driving rod, 10 mounting frame, 11 limiting rod, 12 linkage plate, 13 letting-in groove, 14 range finder, 15 moving frame, 16 limiting wheel, 17 connecting rod, 18 sliding groove, 19 screw rod, 20 fixed plate, 21 second motor, 22 first motor, 23 support wheel. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figs. 1 to 4 The adaptive cable winding and unwinding elevator balance coefficient detection device in the embodiment comprises a mounting plate 3, the bottom of the mounting plate 3 is placed with an elevator car 1, the bottom surface of the elevator car 1 is fixedly installed with two distance meters 14, the right side of the mounting plate 3 is placed with a counterweight 2, and the mounting plate 3 is provided with an adjusting assembly for adjusting the balance of the elevator car 1.

[0027] The adjusting assembly comprises two steel wires 4 fixedly connected with the top surface of the elevator car 1, the bottom surface of the mounting plate 3 is provided with two gap slots 13, one end of the steel wire 4 penetrates through the gap slot 13 and extends to the counterweight 2, the steel wire 4 is fixedly connected with the counterweight 2, the top surface of the mounting plate 3 is fixedly connected with two mounting racks 10, the opposite side surfaces of the two mounting racks 10 are both fixedly installed with first motors 22, the output ends of the two first motors 22 are fixedly connected with a driving rod 9 penetrating through the mounting rack 10 and extending into the mounting rack 10, the outer circumferential walls of the two driving rods 9 are both fixedly sleeved with traction sheaves 8, the two steel wires 4 are wound on the outer circumferential walls of the two traction sheaves 8, the top surface of the mounting plate 3 is placed with two moving racks 15, the interiors of the two moving racks 15 are both rotatably connected with connecting rods 17 through bearings, the outer circumferential walls of the two connecting rods 17 are both fixedly sleeved with limit wheels 16, and the two limit wheels 16 are respectively attached to the two steel wires 4.

[0028] Among them, the mounting rack 10 and the moving rack 15 are both U-shaped racks, the driving rod 9 is rotatably connected with the mounting rack 10 through a bearing, the two distance meters 14 are symmetrically distributed forward and backward with the center point of the elevator car 1 as the center, and the moving rack 15 is located at the left side of the mounting rack 10.

[0029] Specifically, the first motor 22 is started, the output end of the first motor 22 drives the driving rod 9 to rotate, the traction sheave 8 is rotated, the steel wire 4 is wound, the elevator car 1 is moved up and down, the steel wire 4 is supported through the action of the guide wheel 7, the stability of the steel wire 4 is improved, the safety of the elevator car 1 is improved through the action of the counterweight 2, the balance coefficient of the elevator car 1 is conveniently understood through the action of the distance meter 14, the moving rack 15 is moved, the limit wheel 16 extrudes the steel wire 4, the tension of the steel wire 4 is adjusted, and then the balance coefficient is adjusted.

[0030] It should be noted that the elevator car 1 and the range finder 14 are conventional devices known to the public in the prior art, and the specific structure and working principle thereof will not be described here.

[0031] Please refer to Figs. 1 to 4 In the embodiment, the mounting plate 3 is provided with a driving assembly for driving the moving frame 15 to move, the driving assembly includes two linkage plates 12, the two linkage plates 12 are fixedly connected to the left side surfaces of the two moving frames 15 respectively, the top surface of the mounting plate 3 is provided with two sliding grooves 18, the two linkage plates 12 extend into the two sliding grooves 18 respectively, the two sliding grooves 18 are fixedly connected with two fixed plates 20 respectively, the right side surfaces of the two fixed plates 20 are fixedly provided with two second motors 21 respectively, the output ends of the two second motors 21 are fixedly connected with two screw rods 19 respectively, one end of each screw rod 19 penetrates through the fixed plate 20 and extends into the sliding groove 18, and the screw rod 19 penetrates through the linkage plate 12.

[0032] Among them, the linkage plate 12 is an L-shaped plate, the linkage plate 12 and the sliding groove 18 are in sliding connection, the screw rod 19 is rotatably connected with the fixed plate 20 and the sliding groove 18 through two bearings respectively, the right side surfaces of the two linkage plates 12 are provided with threaded holes respectively, and the two screw rods 19 penetrate through the two threaded holes and are in threaded connection with the threaded holes respectively.

[0033] Specifically, the second motor 21 is started, the output end of the second motor 21 drives the screw rod 19 to rotate, the screw rod 19 drives the linkage plate 12 to move through the threaded connection between the screw rod 19 and the linkage plate 12 and the sliding connection between the linkage plate 12 and the sliding groove 18, and then the moving frame 15 is driven to move.

[0034] Please refer to Figs. 1 to 4 In the embodiment, the mounting plate 3 is provided with a supporting assembly for supporting the steel wire rope 4, the supporting assembly includes two limiting rods 11, the two limiting rods 11 are rotatably connected in the two accommodating grooves 13 through bearings respectively, the outer circumferential walls of the two limiting rods 11 are fixedly sleeved with two supporting wheels 23 respectively, the two steel wire ropes 4 are in abutment with the two supporting wheels 23 respectively, the top surface of the mounting plate 3 is fixedly connected with two fixed frames 5, the two fixed frames 5 are rotatably connected with two rotating rods 6 through bearings respectively in the interiors of the two fixed frames 5, the outer circumferential walls of the two rotating rods 6 are fixedly sleeved with two guide wheels 7 respectively, and the two steel wire ropes 4 are in abutment with the two guide wheels 7 respectively.

[0035] Among them, the fixed frame 5 is located on the right side of the mounting frame 10, and the supporting wheel 23 is located on the right side of the steel wire rope 4.

[0036] Specifically, the steel wire rope 4 is supported by the guide wheel 7, the stability of the steel wire rope 4 is improved, the steel wire rope 4 is supported by the supporting wheel 23, and the steel wire rope 4 is prevented from shaking in the gap 13 as much as possible, and the stability of the steel wire rope 4 is improved.

[0037] The working principle of the above embodiment is as follows:

[0038] The first motor 22 is started, the output end of the first motor 22 drives the driving rod 9 to rotate, the traction sheave 8 rotates, the elevator car 1 moves up and down, the steel wire rope 4 is supported by the guide wheel 7, the stability of the steel wire rope 4 is improved, the safety of the elevator car 1 is improved by the counterweight 2, the balance coefficient of the elevator car 1 is understood by the range finder 14, the second motor 21 is started, the output end of the second motor 21 drives the screw rod 19 to rotate, the screw rod 19 and the linkage plate 12 are connected by threads, the linkage plate 12 and the sliding groove 18 are connected by sliding, the linkage plate 12 is driven to move, the moving frame 15 is driven to move, the limiting wheel 16 is pressed against the steel wire rope 4, the tension of the steel wire rope 4 is adjusted, the balance coefficient is adjusted, the steel wire rope 4 is supported by the supporting wheel 23, and the stability of the steel wire rope 4 is improved.

[0039] The mounting mode, the connecting mode or the setting mode disclosed in the embodiment are common mechanical connecting modes, and as long as the beneficial effects can be achieved, the embodiment can be implemented. In addition, the electrical elements appearing in the embodiment are electrically connected with the master controller and the power supply, the master controller can be a conventional known device such as a computer which plays a control role, and a person skilled in the art can control the electrical elements through simple programming. The existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structure, composition and working principle of the embodiment will not be described in detail.

[0040] It should be noted that, in this document, the terms such as first and second are merely used to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0041] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. Self-adapting cable take-up and pay-off elevator balance factor detection device, comprising a mounting plate (3), characterized in that: The bottom of the mounting plate (3) is placed with an elevator car (1), the bottom surface of the elevator car (1) is fixedly provided with two distance meters (14), the right side of the mounting plate (3) is placed with a counterweight (2), and the mounting plate (3) is provided with an adjusting assembly for adjusting the balance of the elevator car (1); The adjusting assembly comprises two steel wires (4) fixedly connected with the top surface of the elevator car (1), two accommodation grooves (13) are formed in the bottom surface of the mounting plate (3), one end of the steel wire (4) penetrates through the accommodation groove (13) and extends to the counterweight (2), the steel wire (4) is fixedly connected with the counterweight (2), the top surface of the mounting plate (3) is fixedly connected with two mounting frames (10), the opposite side surfaces of the two mounting frames (10) are fixedly provided with first motors (22), the output ends of the two first motors (22) are fixedly connected with drive rods (9) penetrating through the mounting frames (10) and extending into the mounting frames (10), the outer peripheral walls of the two drive rods (9) are fixedly provided with traction wheels (8), and the two steel wires (4) are wound on the outer peripheral walls of the two traction wheels (8), respectively; the top surface of the mounting plate (3) is placed with two moving frames (15), the interiors of the two moving frames (15) are rotatably connected with connecting rods (17) through bearings, the outer peripheral walls of the two connecting rods (17) are fixedly provided with limit wheels (16), and the two limit wheels (16) are in contact with the two steel wires (4), respectively. The mounting plate (3) is provided with a driving assembly for driving the moving frame (15) to move, and the mounting plate (3) is provided with a supporting assembly for supporting the steel wire (4).

2. The self-adapting cable pay-off and take-up elevator balance factor detection device according to claim 1, characterized in that: The mounting frame (10) and the moving frame (15) are U-shaped frames, and the drive rod (9) is rotatably connected with the mounting frame (10) through a bearing.

3. The self-adapting cable pay-off and take-up elevator balance factor detection apparatus according to claim 1, characterized in that: The two distance meters (14) are symmetrically distributed forward and backward with the center point of the elevator car (1) as the center, and the moving frame (15) is located on the left side of the mounting frame (10).

4. The self-adapting cable pay-off and take-up elevator balance factor detection apparatus according to claim 1, characterized in that: The driving assembly comprises two linkage plates (12) fixedly connected with the left side surfaces of the two moving frames (15), respectively, two sliding grooves (18) are formed in the top surface of the mounting plate (3), the two linkage plates (12) extend into the interiors of the two sliding grooves (18), respectively, the interiors of the two sliding grooves (18) are fixedly connected with fixed plates (20), the right side surfaces of the two fixed plates (20) are fixedly provided with second motors (21), the output ends of the two second motors (21) are fixedly connected with screw rods (19) penetrating through the fixed plates (20) and extending into the interiors of the sliding grooves (18), and the screw rods (19) penetrate through the linkage plates (12).

5. The self-adapting cable pay-off and take-up elevator balance factor detection device of claim 4, wherein: The linkage plate (12) is an L-shaped plate, the linkage plate (12) and the sliding groove (18) are slidingly connected, and the screw rod (19) is rotatably connected with the fixed plate (20) and the sliding groove (18) through two bearings, respectively.

6. The self-adapting cable pay-off and take-up elevator balance factor detection apparatus according to claim 5, characterized in that: Right side of two linkage plates (12) is provided with threaded hole, two screw rods (19) respectively penetrate two threaded holes and are in threaded connection with them.

7. The self-adapting cable pay-off and take-up elevator balance factor detection apparatus according to claim 4, characterized in that: The support assembly comprises two limiting rods (11), both of which are rotatably connected in the interiors of two accommodating grooves (13) through bearings, and the outer peripheral walls of both of the limiting rods (11) are fixedly sleeved with support wheels (23), both of the steel wires (4) are attached to both of the support wheels (23), the top surface of the mounting plate (3) is fixedly connected with two fixing frames (5), both of the fixing frames (5) are rotatably connected with rotating rods (6) in the interiors through bearings, and the outer peripheral walls of both of the rotating rods (6) are fixedly sleeved with guide wheels (7), both of the steel wires (4) are attached to both of the guide wheels (7).

8. The self-adapting cable pay-off and take-up elevator balance factor detection apparatus according to claim 7, characterized in that: The fixing frame (5) is located at the right side of the mounting frame (10), and the support wheel (23) is located at the right side of the steel wire (4).

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