CN113916675A - Automatic staircase handrail area lip intensity testing arrangement - Google Patents
Automatic staircase handrail area lip intensity testing arrangement Download PDFInfo
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- CN113916675A CN113916675A CN202111295042.9A CN202111295042A CN113916675A CN 113916675 A CN113916675 A CN 113916675A CN 202111295042 A CN202111295042 A CN 202111295042A CN 113916675 A CN113916675 A CN 113916675A
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- loading
- acquisition module
- loading block
- hydraulic
- lip
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
Abstract
The invention relates to the technical field of escalator handrail loading test, and discloses an escalator handrail lip strength test device, which comprises: the first loading block and the second loading block are respectively arranged at two ends of a lip of the handrail belt; the loading mechanism comprises two output ends, the two output ends are respectively connected with the first loading block and the second loading block, and the motion directions of the two output ends are opposite; and the displacement sensor is arranged on the first loading block and is used for detecting the displacement of the first loading block. The hydraulic drive testing device provided by the invention can finish the test of the lip strength of the handrail belt by one person, and the test efficiency and accuracy are improved.
Description
Technical Field
The invention belongs to the technical field of escalator handrail loading tests, and particularly relates to a device for testing the lip strength of an escalator handrail.
Background
The hand strap belongs to an important device of an escalator, the lip strength of the hand strap is directly related to the use performance of the hand strap, the hand strap is generally required to deform under certain loading pressure when in use, and the deformation of the hand strap does not exceed a corresponding value; the invention provides the automatic test by using the stepping motor, and the installation and debugging of the stepping motor are complicated.
The traditional hand strap on-site testing device is shown in figure 1, only two loading blocks are used for respectively loading the hand strap, two persons are required to participate in the test, and the testing efficiency and precision are not high.
Disclosure of Invention
The invention aims to provide a device for testing the strength of a handrail lip of an escalator, which realizes the rapid detection of the handrail lip.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an automatic staircase handrail area lip intensity test device, includes: the first loading block and the second loading block are respectively arranged at two ends of a lip of the handrail belt; the loading mechanism comprises two output ends, the two output ends are respectively connected with the first loading block and the second loading block, and the motion directions of the two output ends are opposite; and the displacement sensor is arranged on the first loading block and is used for detecting the displacement of the first loading block.
Further, in the above device for testing the lip strength of the handrail belt of the escalator, the loading mechanism comprises a loading hydraulic cylinder, a hydraulic oil pipe, a hydraulic pump and an oil tank; the loading hydraulic cylinder is provided with two output ends, the loading hydraulic cylinder is positioned between the first loading block and the second loading block, an oil outlet of the hydraulic pump is communicated with the loading hydraulic cylinder through the hydraulic oil pipe, and an oil inlet of the hydraulic pump is connected with the oil tank; the loading hydraulic cylinder is a double-rod hydraulic cylinder.
Further, the escalator handrail belt lip intensity testing device further comprises a first pressure sensor, wherein the first pressure sensor is arranged on the hydraulic oil pipe and used for measuring the pressure applied to the output end by the loading hydraulic cylinder.
Further, the escalator handrail belt lip strength testing device further comprises an overflow valve, and the overflow valve is communicated with the oil inlet of the hydraulic pump and the oil outlet of the hydraulic pump at the same time.
Furthermore, in the above escalator handrail lip strength testing device, the second loading block is also provided with the displacement sensor.
Further, in the above escalator handrail lip intensity testing device, the displacement sensor is a laser sensor.
Further, in the above device for testing the lip strength of the handrail belt of the escalator, the loading mechanism comprises an air pump, an air pressure pipe and an air pressure cylinder; the pneumatic cylinder is provided with two output ends, the pneumatic cylinder is positioned between the first loading block and the second loading block, and the air pump is communicated with the pneumatic cylinder through the pneumatic tube; the pneumatic cylinder is a bidirectional double-rod cylinder.
Further, the escalator handrail belt lip intensity testing device further comprises a second pressure sensor, wherein the second pressure sensor is connected with the pneumatic tube and used for detecting the pressure applied to the output end by the pneumatic tube.
Further, the device for testing the lip strength of the handrail belt of the escalator further comprises an acquisition module, wherein the acquisition module is connected with the first pressure sensor and the displacement sensor and can acquire data detected by the first pressure sensor and the displacement sensor; the acquisition module is provided with a display unit, and the display unit can display the data acquired by the acquisition module.
Further, the device for testing the lip strength of the handrail belt of the escalator further comprises an acquisition module, wherein the acquisition module is connected with the second pressure sensor and the displacement sensor and can acquire data detected by the second pressure sensor and the displacement sensor; the acquisition module is provided with a display unit, and the display unit can display the data acquired by the acquisition module.
The hydraulic drive testing device provided by the invention can finish the test of the lip strength of the handrail belt by one person, and the test efficiency and accuracy are improved.
Drawings
Fig. 1 is a schematic view of a conventional handrail belt on-site testing apparatus.
Fig. 2 is a schematic view illustrating the loading of a hydraulic cylinder of the handrail lip strength testing device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of another embodiment of the present invention.
In the figure: 1, a hand strap lip; 2 a first load block; 3, loading a hydraulic cylinder; 4 a second load block; 5 a displacement sensor; 6 a first pressure sensor; 7, an acquisition module; 8, a hydraulic oil pipe; 9 an overflow valve; 10 a hydraulic pump; 11 an oil tank; 12 air pump; 13 pneumatic tube; 14 pneumatic cylinders; 15 second pressure sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
Example 1
As shown in fig. 2 and 3, the invention discloses a device for testing the lip strength of an escalator handrail belt, comprising: the first loading block 2 and the second loading block 4 are respectively arranged at two ends of the hand strap lip 1; the loading mechanism comprises two output ends which are respectively connected with the first loading block 2 and the second loading block 4, and the motion directions of the two output ends are opposite; and the displacement sensor 5 is arranged on the first loading block 2, and the displacement sensor 5 is used for detecting the displacement of the first loading block 2. The handrail belt lip 1 is stretched through the loading mechanism, the displacement change of the handrail belt lip 1 is detected through the displacement sensor 5, the structural strength of the handrail belt can be accurately detected, and therefore whether the strength of the handrail belt meets the requirement or not is rapidly judged.
Preferably, the loading mechanism comprises a loading hydraulic cylinder 3, a hydraulic oil pipe 8, a hydraulic pump 10 and an oil tank 11; the loading hydraulic cylinder 3 is provided with two output ends, the loading hydraulic cylinder 3 is positioned between the first loading block 2 and the second loading block 4, an oil outlet of the hydraulic pump 10 is communicated with the loading hydraulic cylinder 3 through a hydraulic oil pipe 8, the pressure sensor is positioned on the hydraulic oil pipe 8, and an oil inlet of the hydraulic pump 10 is communicated with the oil tank 11; by controlling the hydraulic pump 10, the thrust can be applied to the first loading block 2 and the second loading block 4, which is more convenient than the conventional manual test by means of hydraulic test.
Preferably, the loading hydraulic cylinder 3 is a double-rod hydraulic cylinder, a smaller double-rod hydraulic cylinder is preferred in the invention, the hydraulic cylinder is characterized by smaller size and can be put together with the loading block, the double-rod hydraulic cylinder aims at enabling piston rods at two sides to push the loading block, and if a single-rod hydraulic cylinder is used, the two hydraulic cylinders are required to be arranged back to back, so that the size is larger. The double-rod hydraulic cylinder is a common double-rod hydraulic cylinder on the market, namely a double-rod hydraulic cylinder, piston rods are arranged on two sides of a piston, constant-speed reciprocating motion can be realized, and the structure of the hydraulic cylinder can be divided into five parts, namely a cylinder barrel and a cylinder cover, the piston and the piston rod, a sealing device, a buffering device and an exhaust device.
Preferably, the hand strap lip opening detection device further comprises a first pressure sensor 6, the first pressure sensor 6 is arranged on the hydraulic oil pipe 8, the first pressure sensor 6 is used for measuring the pressure applied to the output end by the loading hydraulic cylinder 3, and the force applied to the hand strap lip opening 1 by the hydraulic cylinder can be accurately confirmed through the first pressure sensor 6, so that the detection is more accurate.
Preferably, the hydraulic pump further comprises an overflow valve 9, the overflow valve 9 is connected with an oil inlet of the hydraulic pump 10 and an oil outlet of the hydraulic pump 10, and the overflow valve 9 can ensure that no danger occurs when the hydraulic pump 10 is used.
Preferably, the second loading block 4 is also provided with a displacement sensor 5, the displacement sensor 5 establishes a reference point when in use, and the displacement sensor 5 can measure the relative distance and the actual displacement of the handrail belt lip 1 when being matched with the reference point.
Preferably, the displacement sensor 5 is a laser sensor, and the laser sensor has high precision and strong anti-interference capability when in use.
Preferably, the device further comprises an acquisition module 7, the acquisition module 7 is connected with the first pressure sensor 6 and the displacement sensor 5, and the acquisition module 7 can acquire data detected by the first pressure sensor 6 and the displacement sensor 5; the data measured by the first pressure sensor 6 and the displacement sensor 5 can be rapidly acquired through the acquisition module 7, so that the detection efficiency of the handrail belt is improved.
Preferably, collection module 7 has the display element, and the data that collection module 7 gathered can be shown to the display element, and the display element can be convenient for the staff to look over, and collection module 7 can be wired connection also can be wireless connection with displacement sensor 5 and first pressure sensor 6's connected mode.
Example 2
As shown in fig. 4, the present embodiment is different from embodiment 1 in that the loading mechanism includes an air pump 12, an air pressure tube 13, and an air pressure cylinder 14; the pneumatic cylinder 14 has two output ends, the pneumatic cylinder 14 is located between the first loading block 2 and the second loading block 4, and the air pump 12 is communicated with the pneumatic cylinder 14 through a pneumatic tube 13; the pneumatic cylinder 14 is a bidirectional double-rod cylinder. And a second pressure sensor 15, wherein the second pressure sensor 15 is connected with the pneumatic tube 13, and the second pressure sensor 15 is used for detecting the pressure applied to the output end by the pneumatic cylinder 14. The device also comprises an acquisition module 7, wherein the acquisition module 7 is connected with the second pressure sensor 15 and the displacement sensor 5, and the acquisition module 7 can acquire data detected by the second pressure sensor 15 and the displacement sensor 5; the acquisition module 7 is provided with a display unit which can display the data acquired by the acquisition module 7, and the lip 1 of the handrail belt is pneumatically detected in the embodiment, so that hydraulic drive is replaced.
In order to more accurately control the strength loading condition of the handrail belt lip 1 on site, the deformation condition of the handrail belt lip 1 is recorded and judged. The invention provides a testing device for loading the strength of a handrail belt lip 1 by adopting a hydraulic cylinder or a pneumatic cylinder 14, which drives the hydraulic cylinder to drive a loading mechanism through a hydraulic pump 10, accurately loads force on the handrail belt lip 1, and simultaneously accurately records the displacement change condition of the loading mechanism in the loading process through a displacement sensor 5 to obtain the deformation condition of the handrail belt lip 1, thereby providing technical support for better researching the loading operation condition of the handrail belt lip 1 and developing the safety evaluation of the handrail belt.
The working principle of the invention is as follows:
the strength test process of the handrail belt lip 1 comprises three steps of installation, loading and unloading removal. The installation process comprises the following steps: the first loading block 2 and the second loading block 4 are fixed at two ends of the handrail belt through hydraulic cylinders. And (3) loading a test process: the hydraulic pump 10 is used for pressurizing, the force of the first loading block 2 and the second loading block 4 acting on the hand strap is adjusted, the loading pressure and the deformation of the hand strap can be recorded by the displacement sensor 5 and the first pressure sensor 6 and displayed by the sensor acquisition and display module, and a tester judges whether the strength of the hand strap lip 1 meets the requirement on site; at this time, the distance between the first loading block 2 and the second loading block 4 becomes longer. And in the unloading and dismantling process, the pressure of the system is relieved through an overflow valve 9, and the first loading block 2 and the second loading block 4 are taken out of the handrail.
According to the hand strap loading test device, the double-rod hydraulic cylinder is matched with the hydraulic pump 10 to realize the loading of the hand strap strength, and the acquisition module 7 acquires signals of the displacement sensor 5 and the pressure sensor to obtain the loaded force and the deformation value of the hand strap. The device can be used for testing the lip strength of the handrail belt by a single person, is simple and convenient and improves the testing precision.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
1. The utility model provides an automatic staircase handrail area lip intensity test device which characterized in that includes:
the first loading block and the second loading block are respectively arranged at two ends of a lip of the handrail belt;
the loading mechanism comprises two output ends, the two output ends are respectively connected with the first loading block and the second loading block, and the motion directions of the two output ends are opposite;
and the displacement sensor is arranged on the first loading block and is used for detecting the displacement of the first loading block.
2. The escalator handrail lip strength testing device according to claim 1, wherein the loading mechanism includes a loading hydraulic cylinder, a hydraulic oil pipe, a hydraulic pump and an oil tank;
the loading hydraulic cylinder is provided with two output ends, the loading hydraulic cylinder is positioned between the first loading block and the second loading block, an oil outlet of the hydraulic pump is communicated with the loading hydraulic cylinder through the hydraulic oil pipe, and an oil inlet of the hydraulic pump is connected with the oil tank;
preferably, the loading hydraulic cylinder is a double-out-rod hydraulic cylinder.
3. The escalator handrail lip strength testing device of claim 2, further comprising a first pressure sensor disposed on the hydraulic oil pipe, wherein the first pressure sensor is used for measuring the pressure applied by the loading hydraulic cylinder to the output end.
4. The escalator handrail lip strength testing device according to claim 2, further comprising an overflow valve, wherein the overflow valve is simultaneously communicated with an oil inlet of the hydraulic pump and an oil outlet of the hydraulic pump.
5. The escalator handrail lip strength testing device according to claim 1, wherein the second loading block is also provided with the displacement sensor.
6. The escalator handrail lip strength testing device according to claim 1, wherein the displacement sensor is a laser sensor.
7. The escalator handrail lip strength testing device according to claim 1, wherein the loading mechanism includes an air pump, an air pressure tube and an air pressure cylinder;
the pneumatic cylinder is provided with two output ends, the pneumatic cylinder is positioned between the first loading block and the second loading block, and the air pump is communicated with the pneumatic cylinder through the pneumatic tube;
preferably, the pneumatic cylinder is a bidirectional double-rod cylinder.
8. The escalator handrail lip strength testing device of claim 7, further comprising a second pressure sensor connected to the pneumatic tube, the second pressure sensor being configured to detect the pressure applied by the pneumatic cylinder to the output.
9. The escalator handrail lip strength testing device according to claim 3, further comprising an acquisition module, wherein the acquisition module is connected with the first pressure sensor and the displacement sensor, and the acquisition module can acquire data detected by the first pressure sensor and the displacement sensor;
preferably, the acquisition module is provided with a display unit, and the display unit can display the data acquired by the acquisition module.
10. The escalator handrail lip strength testing device according to claim 8, further comprising an acquisition module, wherein the acquisition module is connected to the second pressure sensor and the displacement sensor, and the acquisition module can acquire data detected by the second pressure sensor and the displacement sensor;
preferably, the acquisition module is provided with a display unit, and the display unit can display the data acquired by the acquisition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111295042.9A CN113916675A (en) | 2021-11-03 | 2021-11-03 | Automatic staircase handrail area lip intensity testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111295042.9A CN113916675A (en) | 2021-11-03 | 2021-11-03 | Automatic staircase handrail area lip intensity testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN113916675A true CN113916675A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111295042.9A Pending CN113916675A (en) | 2021-11-03 | 2021-11-03 | Automatic staircase handrail area lip intensity testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116718542A (en) * | 2023-08-08 | 2023-09-08 | 中国建筑科学研究院有限公司 | Stair railing parameter testing device and detection method |
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2021
- 2021-11-03 CN CN202111295042.9A patent/CN113916675A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116718542A (en) * | 2023-08-08 | 2023-09-08 | 中国建筑科学研究院有限公司 | Stair railing parameter testing device and detection method |
| CN116718542B (en) * | 2023-08-08 | 2023-10-10 | 中国建筑科学研究院有限公司 | Stair railing parameter testing device and detection method |
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