A verticality detection device for an elevator guide rail

Abstract

The utility model relates to detection equipment technical field, the utility model provides a kind of perpendicularity detection device for elevator guide rail, it includes level frame body, level frame body is equipped with level meter;The number of sliding frame is two, and is set at the both ends of level frame body along horizontal sliding;Supporting plate is rotatably set in the side of sliding frame away from the level frame body, two sliding frames respectively support its corresponding supporting plate to adhere to the two opposite inner side walls of elevator shaft;Detection device is set in the lower side of level frame body, and detection device is used to detect the perpendicularity of elevator guide rail. Through the sliding cooperation of sliding frame and level frame body and the swing setting of supporting plate, the installation fixing process of device in elevator shaft is simplified, the dependence on operator experience is reduced, and the influence of human operation error on detection accuracy is reduced. The technical problem that the verticality detection detection equipment of elevator guide rail is inconveniently leveled during installation in the related art is solved, which affects the accuracy of detection data.

Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, specifically to a verticality testing device for elevator guide rails. Background Technology

[0002] As guiding components for the elevator car and counterweight, the verticality accuracy of elevator guide rails directly affects the smoothness of elevator operation, noise level, and service life. Verticality testing after guide rail installation is a crucial step in elevator installation and maintenance.

[0003] Currently, elevator guide rail verticality testing equipment commonly used in the industry is mainly divided into two categories: contact and non-contact. Contact testing equipment typically relies on tools such as dial indicators and straightedges, requiring manual placement of the testing device against the working surface of a single guide rail to measure and record deviation data point by point. This process is cumbersome and dependent on the experience of the testing personnel, making it susceptible to human error affecting testing accuracy. Non-contact testing equipment mostly employs technologies such as laser ranging and infrared detection, analyzing data by emitting laser beams or infrared rays. While this reduces manual intervention to some extent, existing equipment is limited by its structural design, making it difficult to level the testing equipment during installation, thus affecting the accuracy of the test data. Utility Model Content

[0004] To overcome the above-mentioned defects, the present invention provides a verticality detection device for elevator guide rails, which solves the technical problem in the related art that the verticality detection equipment for elevator guide rails is inconvenient to level during installation, affecting the accuracy of the detection data.

[0005] According to one aspect, at least one embodiment of the present invention provides a verticality detection device for elevator guide rails, comprising:

[0006] A horizontal frame, on which a level is installed;

[0007] Two sliding frames are provided, and they are slidably disposed at both ends of the horizontal frame.

[0008] A support plate is rotatably disposed on the side of the sliding frame away from the horizontal frame, and the two sliding frames respectively support their corresponding support plates to fit against the two opposite inner walls of the elevator shaft;

[0009] A detection device is installed on the lower side of the horizontal frame, and the detection device is used to detect the verticality of the elevator guide rail.

[0010] For example, the elevator guide rail verticality detection device provided in at least one embodiment of this utility model further includes:

[0011] A support rod is rotatably mounted on the sliding frame and located between the support plate and the support part of the sliding frame. The two ends of the support rod abut against the support part and the support plate, respectively. The support rod can adjust the distance between the support part and the support plate by rotation so that the support plate fits against the inner wall of the elevator shaft.

[0012] Fasteners are used to fix the rotation angle of the strut.

[0013] For example, in the elevator guide rail verticality detection device provided in at least one embodiment of the present invention, the two ends of the support rod are smoothly transitioned curved surfaces.

[0014] For example, in the elevator guide rail verticality detection device provided in at least one embodiment of the present invention, the sliding frame has at least two horizontally spaced mounting portions, and the support plate is rotatably provided on the mounting portions.

[0015] For example, in the verticality detection device for elevator guide rails provided in at least one embodiment of the present invention, at least two support rods are provided at intervals along the vertical direction between the mounting part and the support plate.

[0016] For example, in at least one embodiment of the elevator guide rail verticality detection device provided by this utility model, the detection device includes:

[0017] A suspension frame, which is suspended below the horizontal frame;

[0018] Transmitter 1, which is mounted on the horizontal frame and located on the lower side of the horizontal frame, is used to transmit a reference signal;

[0019] The second transmitter is rotatably mounted on the suspension frame and is used to transmit detection signals.

[0020] A clamping assembly capable of clamping and fixing to the elevator guide rail, wherein the second transmitter is configured to emit a detection signal parallel to the elevator guide rail when the clamping assembly is fixed to the elevator guide rail;

[0021] A receiver is used to receive the reference signal and the detection signal.

[0022] For example, in at least one embodiment of the elevator guide rail verticality detection device provided by this utility model, the clamping assembly includes:

[0023] Mounting plate, the mounting plate is disposed at one end of the suspension frame, and two reference plates are provided horizontally symmetrically on the side of the mounting plate away from the suspension frame;

[0024] A slider, which is slidably disposed on the reference plate;

[0025] A contact plate is disposed at one end of the sliding member, and a clamping space for clamping the elevator guide rail is formed between the two contact plates.

[0026] For example, in at least one embodiment of the present invention, the verticality detection device for elevator guide rails further includes an elastic reset member, which is sleeved on the sliding member and its two ends act on the contact plate and the reference plate respectively. The elastic reset member is used to elastically push the contact plate so that the two contact plates move closer to each other.

[0027] For example, in the verticality detection device for elevator guide rails provided in at least one embodiment of the present invention, the two opposite ends of the suspension frame along the horizontal direction are used to install clamping components and / or counterweight rods, the connecting rod is used to connect the mounting plate, and the counterweight rod is used to install counterweight blocks.

[0028] For example, in at least one embodiment of the elevator guide rail verticality detection device provided by this utility model, the suspension frame is installed below the horizontal frame via a lifting device, and the lifting device includes:

[0029] An upright plate is mounted on the horizontal frame.

[0030] The material roller has at least two rollers and is spaced apart on the vertical plate. A hoisting rope is wound on the material roller. One end of the hoisting rope is connected to the suspension frame. The material roller can rotate to wind or unwind the hoisting rope to adjust the distance between the suspension frame and the horizontal frame.

[0031] A guide sleeve is vertically mounted on the upright plate, and the hoisting rope passes through the guide sleeve and is connected to the suspension frame.

[0032] The beneficial effects of the embodiments of this utility model are as follows:

[0033] In this invention, a level is installed on the horizontal frame, providing a direct reference for the horizontal adjustment of the device. This facilitates quick determination of whether the horizontal frame is level during installation, allowing the detection device located at its lower end to perform verticality testing based on a horizontal reference. This reduces detection errors caused by the device itself not being level, improving the accuracy of the detection data. The rotating support plates ensure that the installation and adjustment of the horizontal frame within the elevator shaft are unaffected by the condition of the inner wall of the elevator shaft. Even if the surface flatness of the inner wall is poor, adjusting the angle of the two support plates allows for quick leveling and installation of the horizontal frame, ensuring reliable contact between the support plates and the shaft wall. This provides stable support for the horizontal frame, preventing the device from shaking during testing and ensuring a stable detection reference for the detection device, thus solving the problem of inconvenient leveling of the testing equipment. The sliding frame slides along the horizontal frame, and the distance between the two sliding frames can be adjusted according to the width of the elevator shaft. The support plates are then swung to conform to the inner wall of the elevator shaft, adapting to elevator shafts of different sizes and enhancing the versatility of the device. Meanwhile, the sliding fit between the sliding frame and the horizontal frame, as well as the rotation setting of the support plate, simplifies the installation and fixing process of the device in the elevator shaft, reduces the reliance on the operator's experience, and reduces the impact of human operation errors on the detection accuracy. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this utility model and these drawings without any creative effort.

[0035] Figure 1 This is a schematic diagram of the overall structure of a verticality detection device for elevator guide rails in one embodiment of the present invention;

[0036] Figure 2 for Figure 1 A schematic diagram of the structure of an elevator guide rail verticality detection device at another angle in one embodiment;

[0037] Figure 3 This utility model Figure 1 Sectional view along line AA;

[0038] Figure 4 This is a bottom view of the detection device in this utility model;

[0039] Figure 5 This is a schematic diagram of the clamping component structure in this utility model;

[0040] Figure 6 for Figure 2 Enlarged structural diagram at point A in the middle.

[0041] In the diagram: 100, horizontal frame; 101, level; 110, sliding frame; 111, mounting part; 112, support part; 120, support plate; 130, support rod; 140, fastener; 200, detection device; 210, suspension frame; 220, launching element one; 230, launching element two; 240, clamping assembly; 241, mounting plate; 242, reference plate; 243, sliding element; 244, contact plate; 245, elastic reset element; 250, connecting rod; 260, counterweight rod; 300, lifting device; 310, vertical plate; 320, material roller; 330, lifting rope; 340, guide sleeve. Detailed Implementation

[0042] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit its scope.

[0043] To keep the drawings concise, only the parts relevant to the utility model are shown schematically in each drawing; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of the components with the same structure or function is schematically shown, or only one is labeled. In this document, "a" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0044] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0045] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0046] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0047] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0048] like Figures 1-5 As shown, this invention illustrates a verticality detection device for elevator guide rails according to one embodiment of the present invention. The device includes a horizontal frame 100, typically elongated in shape. A level 101 is mounted on the upper surface of the horizontal frame 100, with its detection direction aligned with the length direction of the horizontal frame 100. The level 101 indicates whether the horizontal frame 100 is horizontal. The horizontal frame 100 is a hollow shell containing a structure capable of driving a sliding frame 110 to slide. For example, two lead screws are rotatably mounted inside the horizontal frame 100. One end of each lead screw extends horizontally outward from two opposite side walls of the horizontal frame 100 along its length. A guide rod extending horizontally is mounted on the corresponding outer side wall of the horizontal frame 100. The sliding frame 110 is connected to a lead screw nut adapted to the lead screw and slides with the guide rod, achieving a sliding connection between the sliding frame 110 and the horizontal frame 100. The sliding frame 110 can be moved by rotating a drive component to rotate the lead screws. To ensure consistent sliding of the two sliding brackets 110, a single rotary drive can be used to rotate both lead screws simultaneously. This can be achieved by installing a driving bevel gear at the drive end of the rotary drive and connecting driven bevel gears that mesh with the driving bevel gear to the two lead screws. When the sliding bracket 110 slides away from the horizontal frame 100, the end of the sliding bracket 110 is further from the horizontal frame 100 relative to the end of the lead screw.

[0049] A support plate 120 is rotatably connected to one end of the sliding frame 110 away from the center of the horizontal frame 100. The support plate 120 can rotate relative to the sliding frame 110 about a horizontal axis. When the sliding frame 110 slides along the horizontal frame 100, the support plate 120 moves synchronously with the sliding frame 110 and is able to abut against the inner wall of the elevator shaft first. After the sliding of the sliding frame 110 causes the support plate 120 to slide away from the center of the horizontal frame 100, the horizontal frame 100 is installed in the elevator shaft as the two support plates 120 abut against the inner wall of the elevator shaft. During the abutment process between the support plate 120 and the inner wall of the elevator shaft, the rotation of the support plate 120 can adapt to the unevenness of the inner wall of the elevator shaft, thereby allowing the horizontal frame 100 to quickly reach a horizontal state.

[0050] The detection device 200 is fixed below the horizontal frame 100 by connection, and its detection benchmark is determined by the horizontal frame 100. When the level 101 shows that the horizontal frame 100 is in a horizontal state, the verticality of the two side walls of the elevator guide rail can be detected by the detection device 200.

[0051] In practical application, the device is placed inside the elevator shaft next to the guide rail to be tested. The two sliding frames 110 are driven to slide laterally along the horizontal frame 100 by rotating the drive mechanism until the support plate 120 approaches the inner wall of the elevator shaft. The support plate 120 is then rotated so that the end furthest from the sliding frame 110 is flush with the inner wall of the elevator shaft. By observing the reading on the level 101, the position of the sliding frame 110 and the swing angle of the support plate 120 are adjusted to ensure the horizontal frame 100 is level. At this point, the testing device 200 is activated to test the verticality of the elevator guide rail.

[0052] A level 101 is installed on the horizontal frame 100, providing a direct reference for the horizontal adjustment of the device. This facilitates quick determination of whether the horizontal frame 100 is level during installation, allowing the detection device 200 located at its lower end to perform verticality testing based on a horizontal reference. This reduces detection errors caused by the device itself not being level, improving the accuracy of the detection data. The swinging mechanism of the support plates 120 ensures that the installation and debugging of the horizontal frame 100 within the elevator shaft are unaffected by the condition of the inner wall of the elevator shaft. Even if the surface flatness of the inner wall of the elevator shaft is poor, adjusting the angle of the two support plates 120 allows for rapid leveling and installation of the horizontal frame 100, ensuring reliable contact between the support plates 120 and the shaft wall. This provides stable support for the horizontal frame 100, preventing the device from shaking during testing and ensuring the stability of the detection reference of the detection device 200. This solves the problem of inconvenient leveling of the testing equipment. The sliding frame 110 slides along the horizontal frame 100. The distance between the two sliding frames 110 can be adjusted according to the width of the elevator shaft. The swing support plate 120 then aligns the sliding frame 110 with the inner wall of the elevator shaft, adapting to elevator shafts of different sizes and enhancing the versatility of the device. Simultaneously, the sliding engagement between the sliding frame 110 and the horizontal frame 100, along with the swinging mechanism of the support plate 120, simplifies the installation and fixing process within the elevator shaft, reduces reliance on operator experience, and minimizes the impact of human error on detection accuracy.

[0053] A support portion 112 is provided on the side of the sliding frame 110 facing the support plate 120. A support rod 130 is rotatably provided between the support portion 112 and the support plate 120. The support rod 130 can rotate relative to the sliding frame 110. One end of the support rod 130 abuts against the side of the support plate 120 facing the sliding frame 110, and the other end abuts against the sliding frame 110. The support rod 130 can be fixed to the sliding frame 110 by fasteners 140, such as bolts. After the bolt is screwed into the threaded hole, the end of the bolt abuts against the side of the support rod 130, restricting the rotation of the support rod 130. When the support rod 130 is rotated, its two ends apply forces to the sliding frame 110 and the support plate 120 respectively, adjusting the angle between them so that the support plate 120 fits against the inner wall of the elevator shaft. Then, the position of the support rod 130 is fixed by the fasteners 140. The cooperation between the support rod 130 and the fastener 140 can fix the position of the support plate 120 after it is attached to the inner wall of the elevator shaft, preventing the support plate 120 from swinging during the inspection process and enhancing the stability of the device after installation. Compared with the support plate 120 maintaining its attachment state solely by its own weight or friction, this structure can actively maintain the angle of the support plate 120 through the supporting force of the support rod 130, adapting to shaft walls with different flatness and further improving the horizontal stability of the horizontal frame 100.

[0054] The two ends of the strut 130 can be machined into curved surfaces that smoothly transition to the sidewalls along its length, or the strut 130 can be sectioned along its length to make its cross-section elliptical. This allows the contact surfaces of the strut 130 with the support plate 120 and the sliding frame 110 to smoothly transition when the strut 130 rotates to adjust the angle, reducing wear on the equipment, lowering frictional resistance during rotation, and making angle adjustment smoother. At the same time, the curved contact surface can disperse the force, preventing excessive local stress from causing component deformation and extending the service life of the device.

[0055] The sliding frame 110 has at least two mounting portions 111 spaced horizontally, each mounting portion 111 being oscillatingly connected to a support plate 120 via a horizontal axis. Two support rods 130 are vertically spaced between each mounting portion 111 and its corresponding support plate 120, with the distribution of the support rods 130 corresponding to the height of the mounting portion 111. By providing multiple mounting portions 111, multiple support plates 120 are formed at the same horizontal height, making the installation of the horizontal frame 100 more stable. Each support plate 120 is supported by two support rods 130, further increasing the stability of the horizontal frame 100 installation. The arrangement of multiple mounting portions 111 and corresponding support plates 120 and support rods 130 ensures that the contact points between the sliding frame 110 and the inner wall of the elevator shaft are vertically distributed, forming multi-point support and preventing the horizontal frame 100 from tilting due to single-point support, further improving the overall stability of the device 300. The vertically spaced struts 130 can adjust the angle of the support plates 120 at different heights to adapt to the vertical tilt of the well wall and ensure that the support plates 120 at each height position can be reliably fitted.

[0056] The suspension frame 210 of the detection device 200 is a frame structure, and its upper end is connected to the lower end of the horizontal frame 100 via the lifting device 300. A transmitter 220 is mounted on the lower end face of the horizontal frame 100 for transmitting a reference signal; a transmitter 230 is mounted on the suspension frame 210 for transmitting a detection signal. The elevator guide rail verticality detection device also includes a receiver for receiving the detection signals transmitted by transmitter 220 or transmitter 230, which is typically located at the bottom of the elevator shaft. The two mounting parts 111 of the horizontal frame 100 are located on both sides of the elevator guide rail to be tested and are symmetrically distributed. After the horizontal frame 100 is leveled, the transmission signal direction of transmitter 220 is located on the center plane between the two opposite sidewalls of the elevator guide rail. The signal is transmitted towards the bottom of the elevator shaft through transmitter 220, and this transmission direction is perpendicular to the horizontal plane where the lower end face of the horizontal frame 100 is located; that is, the signal transmitted by transmitter 220 is a reference signal in the vertical direction. The clamping assembly 240 is mounted on the side wall of the suspension frame 210 via a connecting rod 250, and the clamping assembly 240 is capable of clamping the two opposite side walls of the elevator guide rail. (Refer to...) Figure 4 The suspension bracket 210 has a through slot running vertically through its middle section. The second transmitter 230 is rotatably mounted within this slot. Specifically, a U-shaped mounting bracket can be rotatably mounted within the slot, and the second transmitter 230 can be mounted on the bracket. By rotating the mounting bracket, the detection end of the second transmitter 230 can face the side wall of the through slot or the bottom of the elevator shaft. The receiver is typically located at the bottom of the elevator shaft. Both the first transmitter 220 and the second transmitter 230 can be devices capable of emitting laser or infrared light. When the second transmitter 230 rotates to face the side wall of the through slot, the hollow structure of the mounting bracket avoids space for the first transmitter 220 to emit signals. When the suspension bracket 210 hangs naturally, after the second transmitter 230 rotates to face the bottom of the elevator shaft, the signals emitted by both the first transmitter 220 and the second transmitter 230 illuminate the receiver vertically downwards along the same straight line.

[0057] The clamping assembly 240 includes a mounting plate 241 and two reference plates 242 symmetrically arranged vertically on the mounting plate 241. Each reference plate 242 has a sliding member 243. A contact plate 244 is mounted on one end of each sliding member 243 that is close to each other. A horizontal through hole is formed in the reference plate 242. The sliding member 243 has a cylindrical rod that passes through the through hole and can slide axially along the through hole. The contact plate 244 is vertically fixed to the end of the sliding member 243 near the center of the mounting plate 241, and its surface is parallel to the side wall of the elevator guide rail. The two contact plates 244 can clamp the two opposite side walls of the elevator guide rail. The elastic reset member 245 is a compression spring, sleeved on the sliding member 243, with one end abutting against the reference plate 242 and the other end abutting against the contact plate 244. The contact plate 244 is parallel to the side wall of the elevator guide rail. Therefore, when the verticality of the elevator guide rail meets the requirements, the clamping component 240 will not change the posture of the suspension frame 210 after clamping the elevator guide rail, and the second transmitter 230 can emit a signal in the same direction as the first transmitter. When the verticality of the elevator guide rail does not meet the requirements, and the elevator guide rail has an inclined extension posture in the vertical direction, the clamping component 240 will swing along the extension direction of the elevator guide rail after clamping the elevator guide rail. Since the clamping component 240 and the suspension frame 210 are integrally connected, the suspension frame 210 will detach from the natural suspension posture as the clamping component 240 swings. At this time, the emission direction of the second transmitter 230 also changes with the swing of the suspension frame 210, becoming parallel to the extension direction of the elevator guide rail.

[0058] The suspension bracket 210 is also equipped with a rotation drive component, such as a servo motor or stepper motor, to drive the mounting bracket to rotate. This rotation drive component drives the mounting bracket to rotate, causing the emission direction of the second transmitter 230 to be parallel to the extension direction of the contact plate 244, thus confining the second transmitter 230 to a position parallel to the guide rail for emitted light. Therefore, after the clamping assembly 240 clamps the side wall of the elevator guide rail, rotating the second transmitter 230 allows the extension direction of the emitted signal from the second transmitter 230 to be parallel to the extension direction of the elevator guide rail. The specific testing steps are as follows:

[0059] S1: Mark several horizontal lines at equal intervals on the elevator guide rail. The horizontal lines are located in the thickness direction of the elevator guide rail, and the measurement segment is between two horizontal lines.

[0060] S2: Install the horizontal frame 100 at the top of the measuring section, and adjust the horizontal frame to a horizontal state through the support plate 120 and the support rod 130, and set a horizontal surface at the bottom of the elevator shaft;

[0061] S3: The clamping assembly 300 clamps the two opposite side walls of the elevator guide rail. First, the transmitter 220 emits a signal and records the position of the signal on the horizontal plane. Then, the mounting bracket is rotated so that the detection end of the transmitter 230 emits a signal and records the position of the signal on the horizontal plane. The two positions are compared to see if they coincide, and the detection result is obtained. If the two positions coincide, the verticality of the elevator guide rail meets the requirements.

[0062] S4: By adjusting the position of the suspension frame 210 through the lifting device 300, the verticality of the elevator guide rail within a measurement section can be continuously measured, thereby determining the position of the elevator guide rail offset.

[0063] When the elastic reset member 245 is in its natural state, the distance between the two contact plates 244 is less than the width of the elevator guide rail. During testing, the elevator guide rail is positioned between the two contact plates 244. The cooperation between the sliding member 243 and the elastic reset member 245 ensures that the contact plates 244 remain in contact with the side wall of the elevator guide rail and clamp the elevator guide rail. After the clamping assembly 240 clamps the elevator guide rail, the second transmitter 230 is rotated to lock its relative position with the clamping assembly 240, thereby causing the transmitting end of the second transmitter 230 to face the bottom of the elevator shaft and be parallel to the extension direction of the contact plate 244. At this time, the direction of the signal emitted by the second transmitter 230 is parallel to the extension direction of the elevator guide rail. The second transmitter 230 is rotated again so that its transmitting end faces the side wall of the through groove of the suspension frame 210. At this time, since the mounting frame of the second transmitter 230 is a hollow U-shaped frame, the first transmitter 220 located at the lower end of the horizontal frame 100 can also emit a signal towards the bottom of the elevator shaft. By comparing whether the positions of two signal points in two horizontal planes coincide, it can be determined whether the verticality of the elevator guide rail meets the requirements. When the two signal points coincide, the verticality of the elevator guide rail meets the requirements; when the two signal points do not coincide, there is a deviation between the extension direction and the vertical direction of the elevator guide rail in that measurement section.

[0064] The suspension bracket 210 has threaded holes at both ends in the horizontal direction. One end of both the connecting rod 250 and the counterweight rod 260 has external threads that can be screwed into the threaded holes. The other end of the connecting rod 250 is bolted to the clamping assembly 240, and the other end of the counterweight rod 260 has a tray for placing the counterweight. To accommodate different elevator shaft dimensions, the connecting rod 250 can be a telescopic rod that can be locked to a fixed length.

[0065] Optionally, the mounting bracket of the second transmitter 230 is also equipped with a locking structure. This locking structure locks the mounting bracket to the end of the connecting rod 250 connected to the suspension frame 210 when the mounting bracket is rotated to face the bottom of the elevator shaft. At this time, the detection signal output by the transmitter 230 can be parallel to the contact plate 244. The locking structure can use a spring pin, a snap-fit, or other structure that works with the positioning holes on the connecting rod 200 to lock the position of the mounting bracket and the connecting rod 250.

[0066] The lifting device 300 has a vertical plate 310 fixed to the lower surface of the horizontal frame 100. Two material rollers 320 are mounted on the vertical plate 310 via bearing seats, spaced apart vertically. One end of the lifting rope 330 is fixed and wound around the material roller 320, while the other end extends downwards. A guide sleeve is vertically fixed to the vertical plate 310, and the lifting rope 330 passes through the guide sleeve and connects to the upper end of the suspension frame 210. Rotating the material roller 320 winds or unwinds the lifting rope 330, adjusting the distance between the suspension frame 210 and the horizontal frame 100. Synchronous lifting of the two pairs of lifting ropes 330 maintains the stability of the suspension frame 210 during lifting. By using the lifting device 300 to adjust the distance between the two and installing the horizontal frame 100 in one go, continuous measurement of the elevator guide rail can be performed, improving measurement efficiency.

[0067] In the detection device 200, the suspension frame 210 makes the mounting plate 220 and the horizontal frame 100 form a relatively independent structure, reducing the influence of the slight vibration of the horizontal frame 100 on the transmitter 230, maintaining the independence between the two detection points, and improving the accuracy of the detection.

[0068] The connecting rod 250 and the counterweight rod 260 allow for adjustment of the center of gravity of the suspension frame 210 according to testing requirements, preventing the launcher 230 from tilting due to uneven weight distribution within the suspension frame 210 itself. Adding or removing counterweights can accommodate the measurement of the verticality of elevator guide rails in elevator shafts of different specifications, enhancing the adaptability of the device.

[0069] The lifting device 300, through the cooperation of the material roller 320 and the hoisting rope 330, enables continuous adjustment of the height of the suspension frame 210, allowing the launcher 230 to detect different height positions on the elevator guide rail, thus expanding the detection range. The guide sleeve restricts the swing of the hoisting rope 330, ensuring the stability of the suspension frame 210 during lifting.

[0070] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A verticality detection device for elevator guide rails, characterized in that, include: A horizontal frame (100) is provided with a level (101). Two sliding frames (110) are provided, and are slidably disposed at both ends of the horizontal frame (100). A support plate (120) is rotatably disposed on the side of the sliding frame (110) away from the horizontal frame (100), and the two sliding frames (110) respectively support their corresponding support plates (120) to fit against the two opposite inner walls of the elevator shaft. The detection device (200) is located on the lower side of the horizontal frame (100) and is used to detect the verticality of the elevator guide rail.

2. The verticality detection device for elevator guide rails according to claim 1, characterized in that, Also includes: A support rod (130) is rotatably mounted on the sliding frame (110) and located between the support plate (120) and the support part (112) of the sliding frame (110). The two ends of the support rod (130) abut against the support part (112) and the support plate (120) respectively. The support rod (130) can adjust the distance between the support part (112) and the support plate (120) by rotation so that the support plate (120) fits against the inner wall of the elevator shaft. Fastener (140) is used to fix the rotation angle of the strut (130).

3. The verticality detection device for elevator guide rails according to claim 2, characterized in that, The two ends of the strut (130) are smoothly transitioned curved surfaces.

4. The verticality detection device for elevator guide rails according to claim 2, characterized in that, The sliding frame (110) has at least two horizontally spaced mounting portions (111), on which the support plate (120) is rotatably mounted.

5. The verticality detection device for elevator guide rails according to claim 4, characterized in that, At least two support rods (130) are provided vertically between the mounting part (111) and the support plate (120).

6. The verticality detection device for elevator guide rails according to any one of claims 1 to 5, characterized in that, The detection device (200) includes: A suspension frame (210) is suspended below the horizontal frame (100); Transmitter 1 (220) is disposed on the horizontal frame (100) and located on the lower side of the horizontal frame (100) for transmitting reference signals; The second transmitter (230) is rotatably mounted on the suspension frame (210) and is used to transmit detection signals; A clamping assembly (240) is capable of clamping and fixing to the elevator guide rail, and the second transmitter (230) is configured to emit a detection signal parallel to the elevator guide rail when the clamping assembly is fixed to the elevator guide rail; A receiver is used to receive the reference signal and the detection signal.

7. The verticality detection device for elevator guide rails according to claim 6, characterized in that, The clamping assembly (240) includes: Mounting plate (241), which is disposed at one end of the suspension frame (210), and two reference plates (242) are provided horizontally symmetrically on the side of the mounting plate (241) away from the suspension frame (210). A slider (243) is slidably disposed on the reference plate (242); A contact plate (244) is disposed at one end of the slider (243), and a clamping space for clamping the elevator guide rail is formed between the two contact plates (244).

8. The verticality detection device for elevator guide rails according to claim 7, characterized in that, It also includes an elastic reset member (245), which is sleeved on the sliding member (243) and its two ends act on the contact plate (244) and the reference plate (242) respectively. The elastic reset member (245) is used to elastically push the contact plate (244) so ​​that the two contact plates (244) are close to each other.

9. The verticality detection device for elevator guide rails according to claim 6, characterized in that, The suspension frame (210) has two opposite ends along the horizontal direction for mounting connecting rods (250) and / or counterweight rods (260), the connecting rods (250) for connecting clamping components (240) and the counterweight rods (260) for mounting counterweights.

10. The elevator guide rail verticality detection device according to claim 6, characterized in that, The suspension frame (210) is mounted below the horizontal frame (100) via a lifting device (300), the lifting device (300) comprising: An upright plate (310) is provided on the horizontal frame (100); Material rollers (320), having at least two and spaced apart on the vertical plate (310), with lifting ropes (330) wound around the material rollers (320), one end of the lifting ropes (330) being connected to the suspension frame (210), the material rollers (320) being able to rotate and then wind or unwind the lifting ropes (330) to adjust the distance between the suspension frame (210) and the horizontal frame (100); A guide sleeve (340) is vertically mounted on the upright plate (310), and the hoisting rope (330) passes through the guide sleeve (340) and is connected to the suspension frame (210).

Images