A special tool for installing an elevator hall door

Abstract

The utility model relates to a special tool for elevator hall door installation convenient to dismount belongs to elevator installation and maintenance technical field. Mainly include base, track clamping mechanism, hall door positioning mechanism and drive part, the base is equipped with limit groove and guide groove, hall door positioning mechanism realizes accurate positioning through V-shaped positioning block, track clamping mechanism utilizes two -way screw rod drive clamping plate clamping track, and drive part adjusts the position of positioning block through threaded rod. The present application can position elevator hall door accurately and quickly, significantly improve installation efficiency and positioning accuracy, convenient to dismount simultaneously, solve the problem that traditional method relies on manual experience, and the problem of long time -consuming adjustment, be applicable to elevator installation field demand.

Description

Technical Field

[0001] This utility model belongs to the field of elevator installation and maintenance technology, specifically relating to a special tool for installing elevator hall doors that is easy to disassemble. Background Technology

[0002] In modern buildings, elevators, as vital vertical transportation tools, directly impact the safety and comfort of users. Elevator hall doors are the first line of defense for passengers entering and exiting the elevator, and their installation quality is crucial to the elevator's performance and safety. Ensuring the hall doors are accurately and quickly positioned and secured in their designated locations is a core aspect of the elevator installation process.

[0003] Currently, elevator hall door installation typically involves manual positioning and securing using simple tools. Installers initially place the hall door within the track at the shaft entrance, visually inspecting and using tools like plumb bobs to determine its verticality and center position. They then manually fine-tune it using wooden wedges and shims, finally securing it with bolts. However, this method relies heavily on the installers' experience and skill level. Manual inspection and adjustment make it difficult to ensure the hall door remains centered on the track, and the adjustment process often requires repetition, resulting in significant time consumption and low installation efficiency. Furthermore, existing tools are insufficient in terms of positioning accuracy and ease of disassembly, failing to meet the demands for efficient and precise installation.

[0004] Therefore, developing a specialized tool with a reasonable structure, convenient operation, and the ability to accurately position and quickly disassemble elevator hall doors is of great significance for improving the installation efficiency and ensuring the installation quality of elevator hall doors. Utility Model Content

[0005] To address the problems of reliance on manual experience, low positioning accuracy, time-consuming adjustments, and inconvenient disassembly in existing elevator hall door installation processes, this utility model provides a special tool for elevator hall door installation that facilitates disassembly. Through the coordinated operation of a track clamping mechanism, a hall door positioning mechanism, and a drive unit, combined with a V-shaped positioning block and a bidirectional clamping structure, it achieves rapid and accurate positioning and convenient disassembly of the elevator hall door, improving installation efficiency and positioning accuracy, and meeting the needs of efficient and precise installation.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: A special tool for installing elevator hall doors that is easy to disassemble mainly includes a base, a rail clamping mechanism, a hall door positioning mechanism, and a drive unit. The base is a rectangular plate structure with a rectangular limiting groove at one end. The width of the limiting groove is slightly larger than the thickness of the elevator hall door, which is used to initially limit the side end of the elevator hall door. Two guide grooves are symmetrically opened on the top surface of the base. The length direction of the guide grooves is parallel to the length direction of the elevator guide rail, which serves as the sliding path of the hall door positioning mechanism. The hall door positioning mechanism includes a V-shaped positioning block and a first slider. Two first sliders are symmetrically arranged at the bottom of the V-shaped positioning block. The first sliders are slidably installed in the guide groove, so that the V-shaped positioning block can move along the guide groove. A V-shaped groove is provided on the side of the V-shaped positioning block near the elevator hall door. The angle range of the V-shaped groove is 60 degrees or 90 degrees, and the surface is coated with a friction-reducing coating to reduce the frictional resistance when the side of the hall door contacts it. The drive unit is installed on the base and is used to drive the V-shaped positioning block to move along the guide groove, so that the side end of the elevator hall door is engaged or disengaged from the V-shaped groove.

[0007] A support plate is vertically mounted on the base of the storytelling device. The drive unit includes a threaded rod and a handwheel. The threaded rod passes through a threaded hole in the support plate and is threaded to it. One end of the threaded rod is connected to the side of the V-shaped positioning block via a bearing, and the other end is fixedly mounted with a handwheel. By rotating the handwheel, the threaded rod is rotated in both directions, thereby pushing the V-shaped positioning block to move forward or backward along the guide groove.

[0008] The track clamping mechanism includes clamping plates, a drive motor, and a bidirectional lead screw. A groove is formed at the bottom of the base, its length perpendicular to the length of the elevator guide rail. The bidirectional lead screw passes through the groove and is rotatably connected to the side wall of the base via bearings. Two clamping plates are symmetrically arranged within the groove, each with a second slider mounted on its side end. The second sliders are slidably installed within the groove, and their bottoms have T-shaped protrusions matching the groove. A threaded hole is formed at the center of each second slider, engaging with the forward and reverse threads of the bidirectional lead screw. The drive motor is mounted on the side of the base and electrically connected to the control module, with its output shaft connected to the end of the bidirectional lead screw. When the drive motor starts, it drives the bidirectional lead screw to rotate via its output shaft. The bidirectional lead screw, through its forward and reverse threads, pushes the two second sliders to move relative to each other, further causing the clamping plates to move towards or away from each other, thus clamping or releasing the elevator track.

[0009] The side wall of the clamping plate is provided with a rubber pad, and the surface of the rubber pad that is in contact with the elevator guide rail is provided with anti-slip texture to increase friction and prevent the clamping plate from sliding during the clamping process.

[0010] A pressure sensor is embedded in the inner side of the clamping plate. The pressure sensor is electrically connected to the control module, which is a microcontroller fixed to the side of the base. It is used to monitor the clamping force of the clamping plate in real time to prevent the track from deforming due to excessive clamping or the clamping plate from slipping due to excessive clamping.

[0011] The support plate is equipped with a handle on top to facilitate the movement of the device by staff.

[0012] The base is also equipped with a level to help determine whether the device is in a horizontal state, thereby ensuring positioning accuracy during installation.

[0013] The beneficial effects of this utility model are: This invention achieves rapid and accurate positioning and convenient disassembly of elevator hall doors through the coordinated operation of a track clamping mechanism, a hall door positioning mechanism, and a drive unit. The track clamping mechanism achieves automatic clamping through the cooperation of a bidirectional lead screw and a drive motor; the V-groove structure of the V-shaped positioning block utilizes geometric guidance principles to achieve automatic center positioning of the hall door side; the handwheel and threaded rod of the drive unit improve the accuracy and stability of operation through mechanical transmission. This invention solves the problems of reliance on manual experience, low positioning accuracy, time-consuming adjustments, and inconvenient disassembly in traditional methods, significantly improving installation efficiency and positioning accuracy, and meeting the actual needs of elevator installation sites. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is an isometric drawing of the present invention.

[0016] Figure 3 This is a partial sectional view of the present invention.

[0017] Figure 4 This is a top view of the present invention.

[0018] Figure 5 This is a bottom view of the present invention.

[0019] The attached diagram is labeled as follows: 1. Base; 2. Track clamping mechanism; 3. Hall door positioning mechanism; 4. Drive unit; 11. Limiting groove; 12. Guide groove; 13. Support plate; 131. Handle; 14. Level; 15. Slide groove; 21. Clamping plate; 211. Second slider; 22. Drive motor; 23. Bidirectional lead screw; 31. V-shaped positioning block; 311. V-shaped groove; 32. First slider; 41. Threaded rod; 42. Handwheel. Detailed Implementation

[0020] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate the understanding of those skilled in the art.

[0021] This utility model discloses a special tool for installing elevator hall doors that is easy to disassemble. It mainly includes a base 1, a rail clamping mechanism 2, a hall door positioning mechanism 3, and a drive unit 4. The base 1 has a cuboid structure with two guide grooves 12 on its top surface. The length direction of the guide grooves 12 is parallel to the length direction of the elevator guide rail, used to guide the movement of the hall door positioning mechanism 3. A rectangular limiting groove 11 is provided at one end of the base 1. The width of the limiting groove 11 is slightly larger than the thickness of the elevator hall door, used to initially limit the side end of the elevator hall door. A support plate 13 is vertically fixed to the side of the base 1. The support plate 13 has threaded holes for installing threaded rods 41. A handle 131 is installed on the top of the support plate 13 for easy handling and disassembly of the tool. A level 14 is also provided on the top surface of the base 1, located near the limiting groove 11, used to assist in judging the horizontal state of the tool, thereby ensuring the verticality of the hall door installation.

[0022] The hall door positioning mechanism 3 includes a V-shaped positioning block 31 and two first sliders 32. Two first sliders 32 are symmetrically arranged at the bottom of the V-shaped positioning block 31, and are slidably installed in the guide groove 12 of the base 1. The V-shaped positioning block 31 has a V-shaped groove 311 on the side near the elevator hall door. The angle of the V-shaped groove 311 is 60 degrees or 90 degrees, and its surface is coated with a friction-reducing coating to reduce frictional resistance. The V-shaped groove 311 allows the side of the hall door to automatically slide into the centerline position during contact, thereby achieving precise positioning. A sliding groove 15 is also provided at the bottom of the base 1. The length direction of the sliding groove 15 is perpendicular to the length direction of the elevator guide rail, and it is used to install the clamping plate 21 of the rail clamping mechanism 2.

[0023] The track clamping mechanism 2 includes clamping plates 21, a drive motor 22, and a bidirectional lead screw 23. Two clamping plates 21 are symmetrically arranged in the slide grooves 15 at the bottom of the base 1. Each clamping plate 21 has a second slider 211 on its side end, which is slidably mounted within the slide groove 15. The bottom of the second slider 211 has a T-shaped protrusion that matches the slide groove 15. A threaded hole is formed in the center of the second slider 211, which engages with the forward and reverse threads of the bidirectional lead screw 23. The bidirectional lead screw 23 passes through the slide groove 15 and is rotatably connected to the side wall of the base 1 via a bearing. One end of the bidirectional lead screw 23 is connected to the output shaft of the drive motor 22 via a coupling. The drive motor 22 is fixedly mounted on the side of the base 1 and electrically connected to the control module. Rubber pads are provided on the side walls of the clamping plate 21. For example, the rubber pad 213 is 5mm thick and made of nitrile rubber. The surface of the rubber pad 213 that is in contact with the elevator guide rail has a grid-like anti-slip texture with a depth of 0.5mm to enhance clamping stability. A pressure sensor is embedded in the inner side of the clamping plate 21. The pressure sensor is electrically connected to the control module. The control module 25 is a microcontroller and is fixed to the side of the base 1. For example, the preset clamping force threshold is 50N. When the pressure sensor 212 detects that the value reaches the threshold, the control module 25 outputs a signal to stop driving the motor 22. This allows for real-time monitoring of the clamping force of the clamping plate 21, preventing the rail from deforming or being damaged due to excessive clamping force.

[0024] The drive unit 4 includes a threaded rod 41 and a handwheel 42. The threaded rod 41 passes through a threaded hole on the support plate 13 and is threadedly connected thereto. One end of the threaded rod 41 is connected to the side of the V-shaped positioning block 31 via a bearing, and the other end is fixedly mounted with the handwheel 42. When the handwheel 42 is turned, the threaded rod 41 rotates and drives the V-shaped positioning block 31 to move forward or backward along the guide groove 12, thereby causing the side end of the hall door to engage or disengage from the V-shaped groove 311.

[0025] The working process is as follows: First, place two special tools at both ends of the elevator track, and extend the clamping plate 21 into the outside of the elevator track. Adjust the position of the two special tools so that the distance between them is slightly greater than the width of the hall door. Then, start the drive motor 22. The drive motor 22 drives the bidirectional lead screw 23 to rotate through the output shaft. The bidirectional lead screw 23 drives the two clamping plates 21 to move relative to each other through the forward and reverse threads, thereby clamping the elevator track. The rubber pads of the clamping plates 21 fit against the elevator guide rail, and the anti-slip texture enhances the clamping stability. The pressure sensor monitors the clamping force in real time to prevent the track from deforming or being damaged due to excessive clamping force.

[0026] The elevator hall door is placed between the two devices, allowing the side of the hall door to engage with the limiting groove 11 of the base 1, completing the initial limiting. Next, the operator turns the handwheel 42, which in turn rotates the threaded rod 41, further pushing the V-shaped positioning block 31 forward along the guide groove 12, causing the side of the hall door to engage with the V-shaped groove 311. Due to the design of the V-shaped groove 311, the side of the hall door automatically slides into the centerline position during contact, achieving precise positioning. At this time, the level 14 can assist the installer in judging the horizontal state of the tools, thereby ensuring the verticality of the hall door installation.

[0027] After the hall door is installed, restart the drive motor 22 in reverse. The bidirectional lead screw 23 drives the clamping plate 21 to move in the opposite direction, releasing the elevator rail, and the device can be removed. The V-shaped positioning block 31 has good repeatability and positioning accuracy, eliminating the need for repeated manual adjustment of the hall door position, reducing adjustment time during installation, improving installation efficiency, and also facilitating quick disassembly of tools.

[0028] As can be seen from the above specific embodiments, this utility model, through the synergistic action of the base 1, the track clamping mechanism 2, the hall door positioning mechanism 3, and the drive unit 4, combined with the V-shaped positioning block 31 and the bidirectional clamping structure, achieves rapid and accurate positioning and convenient disassembly of the elevator hall door. This solves the problems of reliance on manual experience, low positioning accuracy, long adjustment time, and inconvenient disassembly in traditional elevator hall door installation methods, significantly improving installation efficiency and positioning accuracy. It also features a simple structure and convenient operation, making it suitable for the actual needs of elevator installation sites. To better enable those skilled in the art to fully understand and implement this utility model, the following supplementary explanation of the specific implementation principle of this utility model is provided in conjunction with a specific application scenario.

[0029] During the installation of the elevator hall door, two special tools are first placed at both ends of the elevator track, ensuring that the initial position of the clamping plates 21 is at both ends of the slide groove 15. The positions of the two tools are adjusted so that the distance between them is slightly greater than the width of the elevator hall door. Then, the drive motor 22 is started, driving the bidirectional lead screw 23 to rotate via a coupling. Since the forward and reverse threads of the bidirectional lead screw 23 engage with the second sliders 211 on the two clamping plates 21, the rotation of the bidirectional lead screw 23 causes the two clamping plates 21 to move relative to each other along the slide groove 15, thereby clamping the elevator guide rail. During this process, pressure sensors inside the clamping plates 21 monitor the clamping force in real time and transmit the data to the control module. When the clamping force reaches a preset value, the control module automatically stops the drive motor 22 to prevent deformation or damage to the guide rail due to excessive clamping force, or slippage of the clamping plates due to loose clamping. The rubber pad contacts the guide rail surface, and its anti-slip texture enhances clamping stability, ensuring that the tools will not loosen during subsequent operations.

[0030] After clamping the rails, the elevator hall door is placed between the two tools, allowing the side of the hall door to engage with the limiting groove 11 of the base 1. At this point, the operator rotates the handwheel 42 to drive the threaded rod 41 to rotate. The rotation of the threaded rod 41 pushes the V-shaped positioning block 31 forward along the guide groove 12. Because the first slider 32 at the bottom of the V-shaped positioning block 31 slides into the guide groove 12, the V-shaped positioning block 31 can move smoothly along the guide groove 12 until the V-shaped groove 311 contacts the side of the hall door. The V-shaped groove 311 is designed with an angle of 60 degrees or 90 degrees, and its surface is coated with a friction-reducing coating. During contact, the side of the hall door is guided by the V-shaped groove 311 and automatically slides into its centerline position, thus achieving precise positioning. This process eliminates the need for repeated manual adjustments, significantly improving positioning efficiency.

[0031] During the positioning process, the level 14 is used to help determine the horizontal status of the tool. By observing the position of the bubble on the level 14, the installer can quickly adjust the tool's posture to ensure that the verticality of the hall door installation meets the design requirements.

[0032] After the hall door is installed, the drive motor 22 is restarted in reverse. The double-acting screw 23 drives the clamping plate 21 to move in the opposite direction along the slide groove 15, releasing the elevator guide rail. Then, the worker rotates the handwheel 42 in reverse, causing the threaded rod 41 to move the V-shaped positioning block 31 backward along the guide groove 12, releasing the constraint on the side of the hall door. Finally, the tools are removed from the installation site using the handle 131, completing the disassembly operation. The entire process requires no complex tools or additional manual intervention, demonstrating the convenience and efficiency of the tools.

[0033] As can be seen from the above steps, this utility model achieves rapid and accurate positioning and convenient disassembly of elevator hall doors through the coordinated operation of the track clamping mechanism 2, the hall door positioning mechanism 3, and the drive unit 4. The bidirectional lead screw 23 and pressure sensor of the track clamping mechanism 2 ensure uniform distribution of clamping force and safety; the V-groove 311 structure of the hall door positioning mechanism 3 utilizes geometric guidance principles to achieve automatic center positioning of the hall door side; the threaded rod 41 and handwheel 42 of the drive unit 4 provide precise mechanical transmission, simplifying the operation process. These structures collectively solve the problems of reliance on manual experience, low positioning accuracy, long adjustment time, and inconvenient disassembly in traditional methods, significantly improving installation efficiency and positioning accuracy, and meeting the actual needs of elevator installation sites.

[0034] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.

Claims

1. A tool for installing a hoistway door, which is easily disassembled, characterized in that: The system includes a base (1), a rail clamping mechanism (2) mounted on the base (1) for clamping the elevator rail, a hall door positioning mechanism (3) mounted on the base (1) for clamping and positioning the elevator hall door, and a driving part (4) mounted on the base (1) for driving the hall door positioning mechanism to move. The base (1) is a rectangular plate structure with a rectangular limiting groove (11) at one end. The width of the limiting groove (11) is slightly larger than the thickness of the elevator hall door, which is used to initially limit the side of the elevator hall door. Two guide grooves (12) are symmetrically provided on the top surface of the base (1). The length direction of the guide grooves (12) is parallel to the length direction of the elevator rail, which serves as the sliding path of the hall door positioning mechanism (3). The mechanism (3) includes a V-shaped positioning block (31) and a first slider (32). Two first sliders (32) are symmetrically arranged at the bottom of the V-shaped positioning block (31). The first sliders (32) are slidably installed in the guide groove (12) so that the V-shaped positioning block (31) can move along the guide groove (12). The V-shaped positioning block (31) has a V-shaped groove (311) on the side near the elevator hall door. The angle range of the V-shaped groove (311) is 60 degrees or 90 degrees. The surface is coated with a friction-reducing coating to reduce the friction when in contact with the hall door. The drive unit (4) is installed on the base (1) and is used to drive the V-shaped positioning block (31) to move along the guide groove (12) so that the side end of the elevator hall door is engaged or disengaged from the V-shaped groove (311).

2. The tool for installing a hoistway door according to claim 1, characterized in that: A support plate (13) is vertically arranged on the base (1). The drive unit (4) includes a threaded rod (41) and a handwheel (42). The threaded rod (41) passes through the threaded hole on the support plate (13) and is threadedly connected to it. One end of the threaded rod (41) is connected to the side of the V-shaped positioning block (31) through a bearing, and the other end is fixedly installed with a handwheel (42).

3. The hoistway door installation tool according to claim 1 or 2, characterized in that: The track clamping mechanism (2) includes a clamping plate (21), a drive motor (22), and a bidirectional lead screw (23). The bottom of the base (1) is provided with a slide groove (15). The length direction of the slide groove (15) is perpendicular to the length direction of the elevator guide rail. The bidirectional lead screw (23) passes through the slide groove (15) and is rotatably connected to the side wall of the base (1) through a bearing. Two clamping plates (21) are symmetrically arranged in the slide groove (15). The side ends of the clamping plates (21) are respectively provided with second sliders (211). The second sliders (211) are slidably installed in the slide groove (15). The bottom of the second sliders (211) is provided with a T-shaped protrusion that matches the slide groove (15). The center of the second sliders (211) is provided with a threaded hole, which is respectively engaged with the forward thread and the reverse thread of the bidirectional lead screw (23). The drive motor (22) is installed on the side of the base (1) and is electrically connected to the control module. Its output shaft is connected to the end of the bidirectional lead screw (23) for transmission.

4. The tool for installing a hoistway door according to claim 3, characterized in that: A rubber pad is provided on the side wall of the clamping plate (21). The surface of the rubber pad that is in contact with the elevator guide rail is provided with anti-slip texture to increase friction and prevent the clamping plate (21) from sliding during clamping.

5. The tool for installing a hoistway door according to claim 4, characterized in that: A pressure sensor is embedded in the inner side of the clamping plate (21). The pressure sensor is electrically connected to the control module. The control module (25) is a single-chip microcomputer, which is fixed to the side of the base (1) and is used to monitor the clamping force of the clamping plate (21) in real time.

6. A tool for installing a hoistway door according to claim 2, wherein: A handle (131) is installed on the top of the support plate (13).

7. The tool for installing a hoistway door according to claim 1, wherein: The base (1) is also equipped with a level (14).

Images