Rail calibration ruler
By combining magnetic track wheels and ultrasonic ranging sensors, the problem of inconvenient measurement of elevator car guide rail gauge is solved, enabling continuous, labor-saving, and efficient calibration of elevator guide rails, thereby improving the safety of elevator operation and passenger comfort.
Patent Information
- Application Number
- CN202423073612.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-12
AI Technical Summary
The existing method of measuring the track gauge of elevator car guide rails requires manual hand-held measuring tape, which makes it difficult to achieve continuous measurement. The operation is time-consuming and labor-intensive, and the measurement is not comprehensive enough, affecting the safety of elevator operation and the comfort of passengers.
A track gauge was designed, which uses a magnetic track wheel and an ultrasonic ranging sensor. The magnetic track wheel is easy to move on the elevator guide rail, and the ultrasonic ranging sensor works with a sound wave reflector to realize automatic monitoring and calibration of the elevator guide rail gauge.
It enables continuous and labor-saving calibration of elevator guide rail gauge, improves measurement efficiency and accuracy, and ensures the safety of elevator operation and passenger comfort.
Smart Images
Figure CN223575898U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator detection technical field, concretely is a kind of rail gauge. BACKGROUND
[0002] Elevator guide rail is the elevator component by steel rail and connecting plate, is divided into car guide rail and counterweight guide rail.
[0003] Guide rail plays key guiding role in elevator, ensure that elevator car and counterweight can be vertically moved along guide rail, while bearing various forces and impact when elevator runs, under general circumstances, elevator needs to install two guide rails, one is guiding rail, another is support rail, the two guide rails are fixed on elevator shaft wall, connect with the guiding wheel and support wheel of elevator bottom, ensure the safety and stable operation of elevator.
[0004] Elevator car guide rail needs to be calibrated after installation to be put into use, and the calibration of car guide rail gauge is the key to calibration, the accuracy of car guide rail gauge has important influence on the running safety and ride comfort of elevator, according to the national standard "elevator installation and maintenance specification", the allowable deviation of car guide rail gauge should be within ±2mm.If the deviation exceeds this range, elevator may appear problems such as shaking, noise, etc., even cause elevator failure, the existing measuring scale for measuring the gauge of elevator car guide rail generally needs manual holding and pasting on guide rail to measure, this measurement mode is difficult to continuously measure guide rail, measurement is not comprehensive, and operation is time-consuming and laborious. UTILITARIAN CONTENT
[0005] The utility model aims at providing a kind of rail gauge to solve the problems raised in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] A kind of rail gauge, including vertical telescopic rod, horizontal telescopic rod, track wheel frame and magnetic track wheel, the top end of vertical telescopic rod is fixedly installed with horizontal telescopic rod, the two ends of horizontal telescopic rod are fixedly installed with track wheel frame, two magnetic track wheels are installed in track wheel frame, two magnetic track wheels are correspondingly arranged, the magnetic track wheel is magnetically attracted on the elevator guide rail in elevator shaft, two track wheel frame top portions are respectively installed with ultrasonic ranging sensor and sound wave reflector, ultrasonic ranging sensor and sound wave reflector are oppositely arranged.
[0008] As a further scheme of the utility model: the vertical telescopic rod includes vertical rod cylinder and vertical rod body, vertical rod body is movably inserted into vertical rod cylinder, screw handle is rotatably installed on the side of vertical rod cylinder, and the screw handle is screw-connected with positioning hole opened on vertical rod body.
[0009] As a further scheme of the utility model: the positioning hole is a threaded hole, and the positioning holes are arranged equidistantly from top to bottom on the vertical rod body.
[0010] As a further scheme of the utility model: a guide block is installed on the inner wall of the vertical rod cylinder, and the guide block is in sliding connection with a guide groove correspondingly formed on the vertical rod body.
[0011] As a further scheme of the utility model: the horizontal telescopic rod comprises a horizontal rod cylinder, a rod groove, horizontal rod bodies and a limiting head, rod grooves are formed at both ends of the horizontal rod cylinder, the two horizontal rod bodies are movably inserted into the rod grooves on the two sides of the horizontal rod cylinder respectively, the limiting head is installed at one end of the horizontal rod body in the rod groove, and the limiting head is larger in size than the size of the rod groove.
[0012] As a further scheme of the utility model: a rod sleeve is arranged outside the vertical rod cylinder.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1、The utility model discloses a magnetic track wheel can be adsorbed on the elevator guide rail by magnetic adsorption, and personnel can conveniently push the track gauge on the elevator guide rail to realize continuous calibration of the elevator guide rail.
[0015] 2、The length of the vertical telescopic rod can be adjusted according to actual needs, so that personnel can operate the track gauge by hand to calibrate the elevator guide rail above or below the personnel, and the operation range is larger.
[0016] 3、The ultrasonic ranging sensor and the sound wave reflection plate can monitor the track spacing between the two sides of the elevator guide rail, and then judge whether the track spacing of the elevator guide rail is in the safe range according to the detected track spacing value, and calibrate the elevator track in time when the safe range is exceeded. DRAWINGS
[0017] Figure 1 It is a whole structure schematic view of a track gauge.
[0018] Figure 2 It is a track gauge Figure 1 The structure schematic view of a horizontal telescopic rod.
[0019] Figure 3 It is a track gauge Figure 1 The structure schematic view of a vertical telescopic rod.
[0020] 1, vertical telescopic rod; 101, vertical rod barrel; 102, vertical rod body; 2, horizontal telescopic rod; 201, horizontal rod barrel; 202, rod groove; 203, horizontal rod body; 204, limit head; 3, track wheel frame; 4, magnetic track wheel; 5, ultrasonic ranging sensor; 6, sound wave reflection plate; 7, elevator guide rail; 8, positioning hole; 9, threaded handle; 10, guide groove; 11, guide block; 12, rod sleeve. DETAILED DESCRIPTION
[0021] 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0022] Please refer to Figures 1-2 In the embodiments of the utility model, a track ruler comprises a vertical telescopic rod 1, a horizontal telescopic rod 2, a track wheel frame 3 and a magnetic track wheel 4. The top end of the vertical telescopic rod 1 is fixedly provided with the horizontal telescopic rod 2. The horizontal telescopic rod 2 comprises a horizontal rod barrel 201, a rod groove 202, a horizontal rod body 203 and a limit head 204. The two ends of the horizontal rod barrel 201 are provided with the rod grooves 202. Two horizontal rod bodies 203 are movably inserted into the rod grooves 202 on the two sides of the horizontal rod barrel 201. One end of the horizontal rod body 203 in the rod groove 202 is provided with the limit head 204. The size of the limit head 204 is greater than that of the slot of the rod groove 202. The two ends of the horizontal telescopic rod 2 are fixedly provided with the track wheel frames 3. Two magnetic track wheels 4 are installed in the track wheel frames 3. The two magnetic track wheels 4 are arranged in correspondence with each other. The magnetic track wheels 4 are magnetically attracted to the elevator guide rails 7 in the elevator shaft. The top parts of the two track wheel frames 3 are respectively provided with an ultrasonic ranging sensor 5 and a sound wave reflection plate 6. The ultrasonic ranging sensor 5 and the sound wave reflection plate 6 are arranged opposite to each other. The ultrasonic ranging sensor 5 is connected with a display to display the ranging data. The display can be worn on the body of a detection personnel or be used by being tied to the vertical telescopic rod 1.
[0023] Please refer to Figure 1 and Figure 3 The vertical telescopic rod 1 comprises a vertical rod barrel 101 and a vertical rod body 102. The vertical rod body 102 is movably inserted into the vertical rod barrel 101. A threaded handle 9 is rotatably installed on one side of the vertical rod barrel 101. The threaded handle 9 is threadedly connected with a positioning hole 8 formed in the vertical rod body 102. The positioning hole 8 is a threaded hole. The positioning holes 8 are equidistantly arranged from top to bottom on the vertical rod body 102. The positioning holes 8 and the threaded handle 9 can be matched to fix the length of the vertical telescopic rod 1.
[0024] The inner wall of the vertical rod barrel 101 is provided with a guide block 11, the guide block 11 is in sliding connection with a guide groove 10 provided on the vertical rod body 102 in correspondence, and the cooperation of the guide block 11 and the guide groove 10 can guide the vertical rod body 102, so that the rotation of the vertical rod body 102 during extension or contraction is prevented;
[0025] The vertical rod barrel 101 is externally sleeved with a rod sleeve 12, and the rod sleeve 12 can improve the comfort of hand holding.
[0026] The working principle of the utility model is:
[0027] In use, first, the horizontal telescopic rod 2 is extended outward at both ends, so that the magnetic track wheels 4 at both ends of the horizontal telescopic rod 2 are close to and adsorbed on the elevator guide rails 7 on both sides of the elevator shaft, then the length of the vertical telescopic rod 1 is adjusted by personnel, after adjustment, the personnel hand the vertical telescopic rod 1 to push or pull the magnetic track wheels 4 to move upward or downward along the elevator guide rails 7, when the elevator guide rails 7 are widened or narrowed, the horizontal telescopic rod 2 will also be elongated or shortened synchronously, at this time, the length of the horizontal telescopic rod 2 measured by the ultrasonic ranging sensor 5 will be increased or decreased, the personnel calculate the increase or decrease of the track spacing of the elevator guide rails 7 according to the value transmitted to the display by the ultrasonic ranging sensor 5, when the increase or decrease exceeds the safety range, the elevator guide rails 7 at the place will be calibrated, until the measured value is within the safety range when measured again.
[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A rail gauge, comprising a vertical telescopic rod (1), a horizontal telescopic rod (2), a rail wheel carrier (3) and a magnetically attracted rail wheel (4), characterized in that: The top end of the vertical telescopic rod (1) is fixedly installed with a horizontal telescopic rod (2), both ends of the horizontal telescopic rod (2) are fixedly installed with track wheel frames (3), two magnetic track wheels (4) are installed in the track wheel frames (3), the two magnetic track wheels (4) are arranged in correspondence with each other, the magnetic track wheels (4) are magnetically attracted to the elevator guide rails (7) in the elevator shaft, the top portions of the two track wheel frames (3) are respectively installed with ultrasonic ranging sensors (5) and sound wave reflection plates (6), and the ultrasonic ranging sensors (5) and the sound wave reflection plates (6) are arranged opposite to each other.
2. A straightening rule according to claim 1, wherein: The vertical telescopic rod (1) comprises a vertical rod barrel (101) and a vertical rod body (102), the vertical rod body (102) is movably inserted into the vertical rod barrel (101), and a threaded handle (9) is rotatably installed on one side of the vertical rod barrel (101).
3. A straightening rule according to claim 2, wherein: The positioning hole (8) is a threaded hole, and the positioning holes (8) are arranged at equal distances from top to bottom on the vertical rod body (102).
4. A straightening rule according to claim 2, wherein: A guide block (11) is installed on the inner wall of the vertical rod barrel (101), and the guide block (11) is slidably connected with a guide groove (10) formed in the vertical rod body (102) in correspondence.
5. A straightening rule according to claim 1, wherein: The horizontal telescopic rod (2) comprises a horizontal rod barrel (201), a rod groove (202), a horizontal rod body (203) and a limiting head (204), both ends of the horizontal rod barrel (201) are provided with the rod groove (202), two horizontal rod bodies (203) are movably inserted into the rod grooves (202) on the two sides of the horizontal rod barrel (201), and the limiting head (204) is installed at one end of the horizontal rod body (203) in the rod groove (202), and the limiting head (204) is larger than the size of the slot of the rod groove (202).
6. A straightening rule according to claim 2, wherein: The vertical rod barrel (101) is externally sleeved with a rod sleeve (12).