Accurate mounting and positioning device for elevator guide rail

Abstract

The utility model belongs to the technical field of elevators, and particularly relates to an accurate mounting and positioning device for elevator guide rails, which comprises a first guide rail and a second guide rail. Limiting structures are connected to the side walls of the first guide rail and the second guide rail, and each limiting structure comprises a positioning frame; a mounting plate at the bottom of a first guide rail is mounted in a limiting groove in the end face of a second guide rail, a positioning frame is taken up to be attached to the joint of the first guide rail and the second guide rail, then an electromagnet is powered on, the electromagnet on the side wall of the positioning frame is attracted to the first guide rail and the second guide rail, and a rotating button is rotated while being pressed by hand; a rotating button drives a driving gear to rotate through a rotating rod, the driving gear drives a driven rack to move in two directions, the driven rack drives a clamp to do clamping movement, then the clamp clamps two sets of rails through a mounting groove, the two sets of rails are accurately mounted through the mounting groove, and therefore a second guide rail is fixed; the mounting plate is prevented from separating from the limiting groove.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a precise installation and positioning device for elevator guide rails. Background Art

[0002] The elevator guide rail is an important part of the elevator system. It is responsible for providing guidance to ensure that the elevator car and counterweight move smoothly in the vertical or inclined direction. The guide rail not only undertakes the guiding task, but also has to withstand the impact force during elevator braking and the impact force during emergency braking of the safety clamp. The magnitude of these forces is related to the load and speed of the elevator. Therefore, choosing the right guide rail is crucial to the safety and performance of the elevator. Elevator guide rails are mainly divided into three forms according to the cross-sectional shape: T-shaped, L-shaped and hollow. Among them, T-shaped guide rails are the most widely used because their manufacturing and use have been standardized and serialized;

[0003] When assembling elevator rails, construction needs to be carried out in the elevator shaft. However, the space in the elevator shaft is cramped, which increases the difficulty of construction and reduces the accuracy of installation. Therefore, a precise installation and positioning device for elevator guide rails is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the shortcomings of the prior art, the space in the elevator shaft is cramped, the construction difficulty is increased, and the installation accuracy is reduced, the utility model proposes a precise installation and positioning device for elevator guide rails.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a precise installation and positioning device for an elevator guide rail, comprising a first guide rail and a second guide rail; a limiting structure is connected to the side walls of the first guide rail and the second guide rail, the limiting structure comprises a positioning frame, the positioning frame is connected to the side wall at the intersection of the first guide rail and the second guide rail, an installation cavity is opened in the end surface inner cavity of the positioning frame, an anti-loosening structure is connected to the end surface of the positioning frame, a driving gear is connected to the inner cavity side wall of the installation cavity, the upper and lower side walls of the driving gear are symmetrically connected to the driven rack, a clamp is connected to the side wall of the driven rack, sliding grooves are opened on the left and right side walls of the positioning frame corresponding to the driven rack, and the sliding grooves are respectively connected to the driven rack in a sliding manner, and the side walls of the positioning frame are respectively provided with installation grooves corresponding to the clamp, and the installation grooves are respectively connected to the clamp in a clearance fit.

[0006] Preferably, the anti-loosening structure includes a rotating rod, which passes through the center of the positioning frame, one end of the rotating rod is rotatably connected to the side wall of the inner cavity of the installation cavity, a fixed connecting rod is connected to the side wall of the rotating rod, the fixed connecting rod is fixedly connected to the front side of the positioning frame, a fixed connecting seat is connected to the end face of the fixed connecting rod, a sliding connecting seat is connected to the side wall of the rotating rod and located on the back side of the fixed connecting seat, the other end of the rotating rod is connected to a rotating button, and a driving spring is sleeved on the side wall of the rotating rod and located in the inner cavity of the fixed connecting rod.

[0007] Preferably, a hole is opened at the bottom of the fixed connecting rod corresponding to the rotating rod, and the connection method between the hole and the rotating rod is a rotating connection. A hole is opened on the end surface of the fixed connecting seat corresponding to the rotating rod, and the connection method between the hole and the rotating rod is a sliding connection.

[0008] Preferably, a hole is provided on the front side of the positioning frame corresponding to the rotating rod, and the hole and the rotating rod are connected in a rotating manner.

[0009] Preferably, mounting plates are symmetrically connected to both sides of the bottom of the first guide rail and the second guide rail.

[0010] Preferably, limiting grooves are provided on the left and right side walls at the upper ends of the first guide rail and the second guide rail corresponding to the mounting plate.

[0011] The utility model is beneficial in that:

[0012] 1. The utility model installs the mounting plate at the bottom of the first guide rail in the limiting groove on the end surface of the second guide rail, picks up the positioning frame, and makes the positioning frame stick to the intersection of the first guide rail and the second guide rail, then energizes the electromagnet, so that the electromagnet on the side wall of the positioning frame attracts the first guide rail and the second guide rail, and presses the rotation button by hand while rotating the rotation button, so that the rotation button drives the driving gear to rotate through the rotating rod, so that the driving gear drives the driven rack to move in both directions, so that the driven rack drives the clamp to perform a clamping movement, and then the clamp clamps the two sets of rails through the mounting groove, and the two sets of rails are accurately installed through the mounting groove, so as to fix the second guide rail and prevent the mounting plate from being separated from the limiting groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1This is a schematic diagram of the positive measurement structure of the utility model;

[0015] Figure 2 For this utility model Figure 1 Schematic diagram of some structures;

[0016] Figure 3 This is a schematic diagram of the limiting structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the anti-loosening structure of the utility model.

[0018] In the figure: 1. first guide rail; 2. second guide rail; 3. limiting structure; 301. positioning frame; 302. mounting cavity; 303. driving gear; 304. driven rack; 305. clamp; 306. mounting groove; 307. slide groove; 4. anti-loosening structure; 401. fixed connecting rod; 402. fixed connecting seat; 403. rotating rod; 404. sliding connecting seat; 405. rotating button; 406. driving spring; 5. limiting groove; 6. mounting plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The following is combined with Figure 1 —4 further details of this application,

[0021] The present application embodiment discloses a precise installation and positioning device for elevator guide rails. Figure 1 and Figure 4A precise installation and positioning device for an elevator guide rail comprises a first guide rail 1 and a second guide rail 2; a limiting structure 3 is connected to the side walls of the first guide rail 1 and the second guide rail 2, the limiting structure 3 comprises a positioning frame 301, the positioning frame 301 is connected to the side wall at the junction of the first guide rail 1 and the second guide rail 2, an installation cavity 302 is provided in the end surface inner cavity of the positioning frame 301, an anti-loosening structure 4 is connected to the end surface of the positioning frame 301, a driving gear 303 is connected to the inner cavity side wall of the installation cavity 302, and a driving gear 303 is connected to the inner cavity side wall of the driving gear 303. The upper and lower side walls of the gear 303 are symmetrically connected with driven racks 304, and the side walls of the driven rack 304 are connected with clamps 305. The left and right side walls of the positioning frame 301 are provided with sliding grooves 307 corresponding to the driven rack 304, and the sliding grooves 307 are respectively connected to the driven rack 304 in a sliding manner. The side walls of the positioning frame 301 are respectively provided with mounting grooves 306 corresponding to the clamps 305, and the mounting grooves 306 are respectively connected to the clamps 305 in a clearance fit manner.

[0022] Reference Figure 1 and Figure 4 , the first guide rail 1 and the second guide rail 2 are symmetrically connected with mounting plates 6 on both sides of the bottom, and the left and right side walls of the upper ends of the first guide rail 1 and the second guide rail 2 are provided with limit grooves 5 corresponding to the mounting plates 6, so that the mounting plate 6 at the bottom of the first guide rail 1 is installed in the limit groove 5 on the end surface of the second guide rail 2, and the positioning frame 301 is picked up, so that the positioning frame 301 is attached to the intersection of the first guide rail 1 and the second guide rail 2, and then the electromagnet is energized, so that the electromagnet on the side wall of the positioning frame 301 is attracted to the first guide rail 1 and the second guide rail 2, and the rotation button 405 is pressed by hand and the rotation button 405 is rotated, so that the rotation button 405 drives the driving gear 303 to rotate through the rotating rod 403, and the upper and lower side walls of the driving gear 303 are symmetrically connected with the driven rack 304, and the driven rack 304 is symmetrically connected to the driven rack 304. Under the condition that the side wall of the rack 304 is connected with the clamp 305, the driving gear 303 drives the driven rack 304 to move in both directions, and the left and right side walls of the positioning frame 301 are provided with sliding grooves 307 corresponding to the driven rack 304, and the sliding grooves 307 are respectively connected to the driven rack 304 in a sliding manner, and the side walls of the positioning frame 301 are respectively provided with mounting grooves 306 corresponding to the clamp 305, and the mounting grooves 306 are respectively connected to the clamp 305 in a clearance fit design, so that the driven rack 304 drives the clamp 305 to perform a clamping movement, and then the clamp 305 clamps the two sets of rails through the mounting grooves 306, and the two sets of rails are accurately installed through the mounting grooves 306, so as to fix the second guide rail 2 and prevent the mounting plate 6 from being separated from the limit groove 5;

[0023] When the rotation button 405 is pressed by hand, the rotation rod 403 passes through the center of the positioning frame 301, and one end of the rotation rod 403 is rotatably connected to the inner cavity side wall of the installation cavity 302. The side wall of the rotation rod 403 is connected with a fixed connecting rod 401, and the fixed connecting rod 401 is fixedly connected to the front of the positioning frame 301. The end surface of the fixed connecting rod 401 is connected with a fixed connecting seat 402. The design of the sliding connecting seat 404 is connected to the side wall of the rotation rod 403 and located on the back of the fixed connecting seat 402, so that the rotation button 405 can be rotated. The sliding connection seat 404 is driven downward by the rotating rod 403, and the other end of the rotating rod 403 is connected with a rotating button 405. The driving spring 406 is sleeved on the side wall of the rotating rod 403 and located in the inner cavity of the fixed connection rod 401, so that the sliding connection seat 404 presses the driving spring 406 down, so that the sliding connection seat 404 is out of the limit position, so that it can rotate. When the hand is released, the elasticity of the driving spring 406 is used to make the sliding connection seat 404 bounce back to the back of the fixed connection seat 402, and limit the position again to prevent self-rotation;

[0024] Working principle: first, install the mounting plate 6 at the bottom of the first guide rail 1 in the limiting groove 5 on the end face of the second guide rail 2, pick up the positioning frame 301, so that the positioning frame 301 is attached to the intersection of the first guide rail 1 and the second guide rail 2, then energize the electromagnet, so that the electromagnet on the side wall of the positioning frame 301 is attracted to the first guide rail 1 and the second guide rail 2, press the rotation button 405 by hand and rotate the rotation button 405, so that the rotation button 405 drives the driving gear 303 to rotate through the rotating rod 403, and under the condition that the driven rack 304 is symmetrically meshed and connected on the upper and lower side walls of the driving gear 303, the driving gear 303 drives the driven rack 304 to move in both directions, so that the driven rack 304 drives the clamp 305 to perform a clamping movement, and then the clamp 305 clamps the two sets of rails through the mounting groove 306, and the two sets of rails are accurately installed through the mounting groove 306, so as to fix the second guide rail 2 and prevent the mounting plate 6 from being separated from the limiting groove 5;

[0025] When the rotating button 405 is pressed by hand, the rotating button 405 drives the sliding connection seat 404 downward through the rotating rod 403, so that the sliding connection seat 404 presses down the driving spring 406, so that the sliding connection seat 404 is out of the limit and can rotate. When the hand is released, the elasticity of the driving spring 406 is used to make the sliding connection seat 404 bounce back to the back of the fixed connection seat 402, and re-limit it to prevent self-rotation.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A precise installation and positioning device for elevator guide rails, characterized in that: The invention comprises a first guide rail (1) and a second guide rail (2); a limiting structure (3) is connected to the side walls of the first guide rail (1) and the second guide rail (2); the limiting structure (3) comprises a positioning frame (301); the positioning frame (301) is connected to the side wall at the junction of the first guide rail (1) and the second guide rail (2); an installation cavity (302) is provided in the inner cavity of the end surface of the positioning frame (301); an anti-loosening structure (4) is connected to the end surface of the positioning frame (301); a driving gear (303) is connected to the inner cavity side wall of the installation cavity (302); the driving gear The upper and lower side walls of (303) are symmetrically connected with driven racks (304), and the side walls of the driven racks (304) are connected with fixtures (305). The left and right side walls of the positioning frame (301) are provided with sliding grooves (307) corresponding to the driven racks (304), and the sliding grooves (307) are connected to the driven racks (304) in a sliding manner. The side walls of the positioning frame (301) are provided with mounting grooves (306) corresponding to the fixtures (305), and the mounting grooves (306) are connected to the fixtures (305) in a clearance fit manner.

2. The precise installation and positioning device for elevator guide rails according to claim 1, characterized in that: The anti-loosening structure (4) comprises a rotating rod (403), wherein the rotating rod (403) passes through the center of the positioning frame (301), one end of the rotating rod (403) is rotatably connected to the inner cavity side wall of the installation cavity (302), a fixed connecting rod (401) is connected to the side wall of the rotating rod (403), the fixed connecting rod (401) is fixedly connected to the front side of the positioning frame (301), a fixed connecting seat (402) is connected to the end face of the fixed connecting rod (401), a sliding connecting seat (404) is connected to the side wall of the rotating rod (403) and located on the back side of the fixed connecting seat (402), the other end of the rotating rod (403) is connected to a rotating button (405), and a driving spring (406) is sleeved on the side wall of the rotating rod (403) and located in the inner cavity of the fixed connecting rod (401).

3. The precise installation and positioning device for elevator guide rails according to claim 2, characterized in that: The bottom of the fixed connection rod (401) is provided with a hole corresponding to the rotating rod (403), and the hole and the rotating rod (403) are connected in a rotating manner; the end surface of the fixed connection seat (402) is provided with a hole corresponding to the rotating rod (403), and the hole and the rotating rod (403) are connected in a sliding manner.

4. The precise installation and positioning device for elevator guide rails according to claim 2, characterized in that: The front surface of the positioning frame (301) is provided with holes corresponding to the rotating rod (403), and the connection mode between the holes and the rotating rod (403) is a rotating connection.

5. The precise installation and positioning device for elevator guide rails according to claim 1, characterized in that: Both sides of the bottom of the first guide rail (1) and the second guide rail (2) are symmetrically connected with mounting plates (6).

6. The precise installation and positioning device for elevator guide rails according to claim 5, characterized in that: Limiting grooves (5) are provided on the left and right side walls at the upper ends of the first guide rail (1) and the second guide rail (2) corresponding to the mounting plate (6).

Images