CN218371130U

CN218371130U - Belt tension testing device

Info

Publication number: CN218371130U
Application number: CN202222790827.XU
Authority: CN
Inventors: 陈浩; 王威
Original assignee: Hitachi Building Technology Guangzhou Co Ltd
Current assignee: Hitachi Building Technology Guangzhou Co Ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-01-24
Anticipated expiration: 2032-10-21

Abstract

The utility model relates to a belt tension testing arrangement, belt tension testing arrangement includes: a body; the power mechanism comprises a driving part, a hoisting rope, a counterweight part and a supporting plate, the driving part is connected with the counterweight part through the hoisting rope, and the supporting plate is connected with the machine body in a sliding manner; the sensor is arranged on the machine body and is in induction fit with the supporting plate, and the sensor is used for detecting the displacement of the supporting plate. Above-mentioned belt tension testing arrangement, under the action of gravity of counterweight, the layer board descends with the belt of sedan-chair door together, and displacement sensor detects the displacement of layer board, obtains the tension condition of belt to take-up or relax the regulation to the belt, convenient to use can conveniently accomplish automatic loading counter weight and read the decline reading, and the detection mode precision of sensor is high, is favorable to improving the accuracy of data, and the mode of automatic reading is favorable to improving the work efficiency of belt debugging.

Description

Belt tension testing device

Technical Field

The utility model relates to a special equipment detects technical field, especially relates to a belt tension testing arrangement.

Background

Along with the development of elevator technology, the process of opening and closing the door of the elevator is mostly driven by a belt driven by a motor to realize the automatic opening and closing of the door of the elevator. When the elevator is assembled in a workshop, the belt needs to be adjusted to a proper tension value, and the belt needs to be adjusted after being used for a certain time because the belt has elastic deformation. The untensioned belt is easy to loosen and droop after being loaded, hysteresis and shaking are generated, and the transmission efficiency and precision are reduced; the belt is adjusted to be too tight, noise is easy to generate, and the service life of the belt and a pulley bearing is shortened under the condition of overload.

Among the conventional art, to the belt on the elevator sedan-chair door, the debugging mode of use is for hanging 1 kg's counter weight on the belt, uses the ruler to measure the belt decline volume, and this kind of mode is great owing to the mode that adopts artifical reading, and the error, and the precision is low, and manual operation is loaded down with trivial details, and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

Therefore, a belt tension testing device is needed to be provided, which can effectively improve the precision of belt tension debugging and improve the working efficiency.

The technical scheme is as follows: a belt tension testing device, the belt tension testing device comprising: a body; the power mechanism comprises a driving part, a hoisting rope, a counterweight part and a supporting plate, the driving part is connected with the counterweight part through the hoisting rope, and the supporting plate is connected with the machine body in a sliding manner; the sensor is arranged on the machine body and is in induction fit with the supporting plate, and the sensor is used for detecting the displacement of the supporting plate.

Above-mentioned belt tension testing arrangement, in the use, place the organism on the sedan-chair door of elevator, at first the operation driving piece, make the towline pull up the counterweight and make counterweight and layer board break away from the contact, then conflict the bottom and the belt of layer board, make the layer board free fall on the belt, sensor record layer board position this moment is initial position, then, the operation driving piece, make the towline place the counterweight on the layer board, until the towline releases pulling force to lax state completely, under the action of gravity of counterweight, the layer board descends with the belt of sedan-chair door together, displacement sensor detects the displacement of layer board, obtain the tension condition of belt, thereby strain or relax the regulation to the belt. This belt tension testing arrangement convenient to use can conveniently accomplish automatic loading counter weight and read the decline reading, and the detection mode precision of sensor is high, is favorable to improving the accuracy of data to the mode of automatic reading is favorable to improving the work efficiency of belt debugging.

In one embodiment, the machine body is provided with a sliding table and a sliding rail, the sliding table is connected with the sliding rail in a sliding manner, the sliding table can move along the height direction of the machine body, and the supporting plate is connected with the sliding table.

In one embodiment, the driving member further includes a traction sheave, the traction sheave is in driving connection with an output end of the driving member, the driving member drives the traction sheave to rotate, and the traction rope is in driving fit with the traction sheave.

In one embodiment, the driving member is a motor, the power mechanism further includes a first limit switch electrically connected to the motor, and the first limit switch is configured to stop the motor when the motor rotates forward to a first limit position.

In one embodiment, the power mechanism further includes a second limit switch, the second limit switch is electrically connected to the motor, and the second limit switch is configured to stop the motor when the motor rotates reversely to a second limit position.

In one embodiment, the belt tension testing device further comprises a display part, the display part is electrically connected with the sensor, and the display part is used for displaying displacement data of the supporting plate.

In one embodiment, the belt tension testing device further comprises a remote controller, the machine body is provided with a control element, the control element is in communication connection with the remote controller, the driving element and the display element are respectively and electrically connected with the control element, and the remote controller is used for controlling the motor to start and stop.

In one embodiment, the remote controller is provided with a first button, a second button and a third button, the first button is used for generating a first signal when being pressed down, and the control element drives the motor to rotate forwards after receiving the first signal; the control piece is used for driving the motor to rotate reversely after receiving the second signal; the display part is a digital display meter, the third button is used for generating a third signal when pressed down, and the control part is used for clearing the digital display meter after receiving the third signal.

In one embodiment, the belt tension testing device further includes a battery, and the driving member is electrically connected to the battery.

In one embodiment, the belt tension testing device further comprises a handle, and the handle is arranged at one end of the machine body.

In one embodiment, the machine body is provided with a clamping portion, and the machine body is used for being clamped with a car door of an elevator through the clamping portion.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

FIG. 1 is a schematic diagram illustrating an overall structure of a belt tension testing apparatus according to an embodiment;

FIG. 2 is another schematic angular view of the belt tension testing apparatus of FIG. 1;

FIG. 3 is a schematic diagram illustrating an initial position of a belt tension testing apparatus according to an embodiment;

FIG. 4 is a schematic view of the belt of FIG. 3 after deformation.

Description of reference numerals:

100. a belt tension testing device; 110. a body; 111. a sliding table; 112. a slide rail; 113. a control member; 114. a clamping part; 120. a power mechanism; 121. a drive member; 122. a hoisting rope; 123. a counterweight; 124. a support plate; 125. a traction sheave; 126. a first limit switch; 127. a second limit switch; 130. a sensor; 140. a display member; 150. a remote controller; 151. a first button; 152. a second button; 153. a third button; 160. a battery; 170. a handle; 200. a belt; 300. a car door.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.

Referring to fig. 1 and 2, fig. 1 is a schematic view illustrating an overall structure of a belt tension testing device 100 according to an embodiment of the present invention; FIG. 2 shows another angular configuration of the belt tension testing apparatus 100 depicted in FIG. 1; an embodiment of the utility model provides a belt tension testing arrangement 100, belt tension testing arrangement 100 includes: a body 110, a power mechanism 120 and a sensor 130. The power mechanism 120 includes a driving member 121, a hoist rope 122, a weight member 123 and a support plate 124, wherein the driving member 121 is connected to the weight member 123 through the hoist rope 122, and the support plate 124 is slidably connected to the machine body 110. The sensor 130 is disposed on the body 110, the sensor 130 is in inductive fit with the supporting plate 124, and the sensor 130 is used for detecting the displacement of the supporting plate 124.

Referring to fig. 3 and 4 together, fig. 3 is a schematic view illustrating an initial position of the belt tension testing device 100 according to an embodiment of the present invention; fig. 4 shows a schematic view of the deformed position of the belt 200 of fig. 3. In the above belt tension testing device 100, in use, the machine body 110 is placed on the door 300 of the elevator, the driving member 121 is operated first, so that the hoisting rope 122 pulls the counterweight 123 to separate the counterweight 123 from the pallet 124, and then the bottom of the pallet 124 collides with the belt 200, so that the pallet 124 freely falls onto the belt 200, and since the weight of the pallet 124 is light, for example, the weight of the pallet 124 is 15g, the weight of the pallet 124 ignores the amount of the falling of the belt 200. At this time, the sensor 130 registers the position of the pallet 124 as an initial position, and then, the driving member 121 is operated so that the hoist rope 122 places the weight member 123 on the pallet 124 until the hoist rope 122 completely releases the tension to a slack state. Under the gravity of the weight 123, the carrier 124 descends together with the belt 200 of the door 300, and the displacement sensor 130 detects the displacement of the carrier 124, and obtains the tension of the belt 200, thereby performing tension or release adjustment on the belt 200. This belt tension testing arrangement 100 convenient to use can conveniently accomplish automatic loading counter weight and read the decline reading, and sensor 130's detection mode precision is high, is favorable to improving the accuracy of data to the mode of automatic reading is favorable to improving the work efficiency of belt 200 debugging.

The sensor 130 and the supporting plate 124 are in inductive fit, i.e., the sensor 130 can sense the position of the supporting plate 124, and the sensing mode may be contact interference fit or sensing the displacement change of the supporting plate 124 through non-contact sensing modes such as sound waves, light waves, laser, electromagnetic waves, and the like.

Specifically, referring to fig. 1, the sensing end of the sensor 130 is in interference fit with the supporting plate 124. For example, the sensor 130 is a capacitive displacement sensor 130. So, sensor 130 is direct to be contradicted with layer board 124, and layer board 124 can drive sensor 130's response end and remove to obtain the descending distance, so the cooperation mode reliability is strong, and the accuracy is high. The present embodiment provides only one specific implementation of the sensor 130. But is not limited thereto.

In one embodiment, referring to fig. 1 and fig. 2, the body 110 is provided with a sliding table 111 and a sliding rail 112, the sliding table 111 is slidably connected with the sliding rail 112, the sliding table 111 can move along the height direction of the body 110, and the supporting plate 124 is connected with the sliding table 111. So, slide rail 112 can play the guide effect to slip table 111, and the moving direction of restriction slip table 111 is for reciprocating to still be favorable to reducing frictional force, make on the gravitational potential energy of counterweight 123 more converts the deformation to belt 200, thereby be favorable to improving test accuracy.

To further understand and explain the height direction of the body 110, taking fig. 2 as an example, the height direction of the body 110 is the straight line S in fig. 2 ₁ In the direction indicated by any arrow above.

In one embodiment, referring to fig. 1 and fig. 2, the driving member 121 further includes a traction sheave 125, the traction sheave 125 is in driving connection with an output end of the driving member 121, the driving member 121 drives the traction sheave 125 to rotate, and the traction rope 122 is in driving fit with the traction sheave 125. Thus, the driving member 121 drives the traction sheave 125 to rotate, so as to drive the traction rope 122 to wind up and pull the counterweight member 123 to move up and down, and the transmission efficiency is higher.

Specifically, referring to fig. 1 and fig. 2, the driving member 121 is a motor. The power mechanism 120 further includes a first limit switch 126, the first limit switch 126 is electrically connected to the motor, and the first limit switch 126 is configured to stop the motor when the motor rotates forward to a first limit position. Therefore, the first limit switch 126 can limit the stroke of the motor in forward rotation, continuous tightening caused by continuous rotation of the motor is avoided, and use reliability and operation convenience are improved.

Further, referring to fig. 1 and fig. 2, the power mechanism 120 further includes a second limit switch 127, the second limit switch 127 is electrically connected to the motor, and the second limit switch 127 is configured to stop the motor when the motor rotates reversely to the second limit position. So, second limit switch 127 can restrict the stroke when the motor reverses, avoids the motor to continue to rotate and leads to lasting slack rope, improves and uses reliability and operation convenience.

In one embodiment, referring to fig. 1 and 2, the belt tension testing apparatus 100 further includes a display 140, the display 140 is electrically connected to the sensor 130, and the display 140 is used for displaying the displacement data of the supporting plate 124. In this way, after the sensor 130 detects the descending data of the belt 200, the display of the display member 140 enables the operator to obtain the detected data more intuitively, thereby being beneficial to improving the working efficiency and the convenience of the belt tension testing apparatus 100.

Alternatively, the display 140 may be a digital tube, a digital display meter, an LED display screen, a digital display screen, or other display device.

Specifically, referring to fig. 1 and fig. 2, the display 140 is a digital display meter. Thus, the belt tension testing device is convenient to assemble, can be installed by using standard parts, is high in use reliability, and is beneficial to prolonging the whole service life of the belt tension testing device 100. The present embodiment provides only one specific implementation of the display element 140, but not limited thereto.

In one embodiment, referring to fig. 2, the belt tension testing apparatus 100 further includes a remote controller 150, the body 110 is provided with a control element 113, the control element 113 is in communication with the remote controller 150, the driving element 121 and the display element 140 are respectively electrically connected to the control element 113, and the remote controller 150 is used for controlling the start and stop of the motor. For example, the control 113 is a remote relay. Control 113 is in wireless communication with the remote relay. In this way, the driving member 121 can be remotely operated by the remote controller 150, so that the working process can be safer and more convenient, and the convenience of the belt tension testing device 100 can be improved.

In one embodiment, referring to fig. 1 and 2, the remote controller 150 has a first button 151, a second button 152 and a third button 153. When the first button 151 is pressed, a first signal is generated, and the control part 113 drives the motor to rotate forward after receiving the first signal. The second button 152 is used for generating a second signal when pressed, and the control member 113 drives the motor to rotate reversely after receiving the second signal. And the third button 153 is used for generating a third signal when pressed, and the control part 113 is used for clearing the digital display meter after receiving the third signal. So, be favorable to the lift of quick operation balancing weight and the zero clearing of digital display table to improve the work efficiency and the convenience of use of repeated testing.

In one embodiment, referring to fig. 1, the belt tension testing device 100 further includes a battery 160, and the driving member 121 is electrically connected to the battery 160. In this way, the battery 160 can supply power to each power module of the belt tension testing apparatus 100, and an external power supply is not required, thereby improving portability.

In one embodiment, referring to fig. 1 and 2, the belt tension testing apparatus 100 further includes a handle 170, and the handle 170 is disposed at one end of the body 110. Therefore, the body 110 can be conveniently grabbed through the handle 170, and the portability and the use convenience are improved.

In one embodiment, referring to fig. 1, the body 110 is provided with a clamping portion 114, and the body 110 is clamped with the car door 300 of the elevator through the clamping portion 114. So, can stably set up organism 110 on sedan-chair door 300 through the mode of joint to easy dismounting is favorable to improving work efficiency.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A belt tension testing apparatus, characterized in that the belt tension testing apparatus comprises:

a body;

the power mechanism comprises a driving part, a hoisting rope, a counterweight part and a supporting plate, the driving part is connected with the counterweight part through the hoisting rope, and the supporting plate is connected with the machine body in a sliding manner;

the sensor is arranged on the machine body and is in induction fit with the supporting plate, and the sensor is used for detecting the displacement of the supporting plate.

2. The belt tension testing device of claim 1, wherein the body is provided with a sliding table and a sliding rail, the sliding table is slidably connected with the sliding rail, the sliding table is capable of moving along a height direction of the body, and the support plate is connected with the sliding table.

3. The belt tension testing apparatus of claim 1, wherein the driving member further comprises a traction sheave, the traction sheave is in driving connection with an output end of the driving member, the driving member drives the traction sheave to rotate, and the traction rope is in driving fit with the traction sheave.

4. The belt tension testing device of claim 1, wherein the driving member is a motor, and the power mechanism further comprises a first limit switch electrically connected to the motor, the first limit switch being configured to stop the motor when the motor rotates forward to a first limit position.

5. The belt tension testing device of claim 4, wherein the power mechanism further comprises a second limit switch, the second limit switch is electrically connected with the motor, and the second limit switch is used for stopping the motor when the motor rotates reversely to a second limit position.

6. The belt tension testing device of claim 4, further comprising a display member, wherein the display member is electrically connected to the sensor, and the display member is configured to display displacement data of the pallet.

7. The belt tension testing device as claimed in claim 6, further comprising a remote controller, wherein the body is provided with a control element, the control element is in communication with the remote controller, the driving element and the display element are respectively electrically connected to the control element, and the remote controller is used for controlling the motor to start and stop.

8. The belt tension testing device according to claim 7, wherein the remote controller comprises a first button, a second button and a third button, the first button is used for generating a first signal when being pressed down, and the control element drives the motor to rotate forward after receiving the first signal; the control element is used for driving the motor to rotate reversely after receiving the second signal; the display part is a digital display meter, the third button is used for generating a third signal when pressed down, and the control part is used for clearing the digital display meter after receiving the third signal.

9. The belt tension testing apparatus of claim 1, further comprising a battery, wherein the driving member is electrically connected to the battery.

10. The belt tension testing device of claims 1-9, further comprising a handle disposed at one end of the body; and/or the presence of a gas in the atmosphere,

the machine body is provided with a clamping portion, and the machine body is used for being clamped with a car door of an elevator through the clamping portion.