CN116576248A - Guiding device capable of automatically adjusting gap and adjusting method - Google Patents

Guiding device capable of automatically adjusting gap and adjusting method Download PDF

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Publication number
CN116576248A
CN116576248A CN202310520905.0A CN202310520905A CN116576248A CN 116576248 A CN116576248 A CN 116576248A CN 202310520905 A CN202310520905 A CN 202310520905A CN 116576248 A CN116576248 A CN 116576248A
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CN
China
Prior art keywords
adjusting
track
screw
gear
adjusting bolt
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Pending
Application number
CN202310520905.0A
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Chinese (zh)
Inventor
王键
陈小梅
王晓光
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Eurocrane China Co ltd
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Eurocrane China Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eurocrane China Co ltd filed Critical Eurocrane China Co ltd
Priority to CN202310520905.0A priority Critical patent/CN116576248A/en
Publication of CN116576248A publication Critical patent/CN116576248A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/12Arrangements for adjusting or for taking-up backlash not provided for elsewhere

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention relates to a guiding device for automatically adjusting a gap and an adjusting method, wherein the guiding device comprises an inner cylinder, an outer cylinder and an inner cylinder which are coaxially arranged; the inner wall of the outer cylinder is provided with at least one rack and at least one adjusting rail which are arranged on different surfaces, and the rack and the adjusting rail are arranged along the height direction of the outer cylinder; the adjusting track comprises a first track and a second track, and the thickness of the first track is smaller than that of the second track; at least one adjusting module arranged at the top of the inner cylinder; the adjusting module comprises a gear, an adjusting bolt, a square nut, a screw, a base, a sliding seat and a moving element; the gear sleeve is arranged on the head of the adjusting bolt, the screw rod part of the adjusting bolt is in threaded connection with the square nut, the screw rod part of the screw penetrates through the screw rod part of the adjusting bolt, the head of the screw is fixedly connected with the sliding seat, the sliding seat is arranged in the base and slides relative to the base, and the moving element is fixed on one side of the sliding seat. The invention is convenient for adjusting the gap between the guide wheel or the sliding block and the track.

Description

Guiding device capable of automatically adjusting gap and adjusting method
Technical Field
The invention relates to the technical field of guide devices, in particular to a guide device capable of automatically adjusting a gap and an adjusting method.
Background
Guide wheels or guide slides are often used as guides for actions during lifting or lowering of the device. A proper clearance is usually maintained between the guide wheel or guide slide and the rail. With the abrasion of the guide wheel or the guide sliding block, the gap gradually becomes larger than a normal value, and when the gap is too large, the phenomenon that the left-right swing amplitude of the equipment is too large or the equipment is inclined can be caused. Therefore, if the device cannot be adjusted in time, the normal operation of the device is affected, especially the device with high positioning requirement
Typically, the clearance of the guide wheels is checked and adjusted by the maintenance personnel while maintaining the equipment. In addition, the installation position of the guide wheel or the guide sliding block is not easy to touch in some occasions, and the inspection adjustment is affected.
From the above, the prior art has the following disadvantages: the manual adjustment of the gap of the guide wheel has low efficiency and poor precision or the gap of the guide wheel can not be adjusted manually, so that the operation of the equipment is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a guiding device capable of automatically adjusting a gap and a using method thereof.
The technical scheme adopted by the invention is as follows:
a guide for automatically adjusting a gap, comprising:
an inner cylinder is arranged on the inner side of the inner cylinder,
the outer cylinder is coaxially arranged with the inner cylinder; the inner wall of the outer cylinder is provided with at least one rack and at least one adjusting rail which are arranged on different surfaces, and the rack and the adjusting rail are arranged along the height direction of the outer cylinder; the adjusting rail comprises a first rail and a second rail, and the thickness of the first rail is smaller than that of the second rail;
at least one adjusting module arranged at the top of the inner cylinder; the adjusting module comprises a gear, an adjusting bolt, a square nut, a screw, a base, a sliding seat and a moving element; the gear is sleeved on the head of the adjusting bolt, the screw rod part of the adjusting bolt is in threaded connection with the square nut, the screw rod part of the screw penetrates through the screw rod part of the adjusting bolt, the head of the screw is fixedly connected with the sliding seat, the sliding seat is arranged in the base and slides in the base relative to the square nut, and the moving element is fixed on one side of the sliding seat;
and the external force is applied to lift the inner cylinder, the inner cylinder drives the gear of the adjusting module to roll along the rack, and meanwhile, when the gear rotates along the screw tightening direction of the adjusting bolt, the adjusting bolt is tightened to squeeze the screw, the screw pushes the sliding seat to move in the direction away from the square nut, so that the distance between the moving element and the adjusting track is reduced.
In some embodiments, the moving element is a guide wheel or a slider.
In some embodiments, the adjusting module further comprises a ratchet wheel and a pawl, wherein the ratchet wheel is arranged at the head of the adjusting bolt, the pawl is elastically connected with the inside of the gear, and when the gear rotates along the screwing direction of the adjusting bolt, the pawl is driven to be inserted into the ratchet wheel to push the ratchet wheel to rotate.
In some embodiments, the ratchet and the head of the adjustment bolt are integrally formed.
In some embodiments, the adjusting module further comprises a torque adjusting assembly, the torque adjusting assembly comprises a ball and a second elastic element, the second elastic element is embedded in the head of the adjusting bolt, one end of the second elastic element abuts against the ball, and the ball is arranged between the adjusting bolt and the gear.
In some embodiments, the adjustment module further comprises an end cap secured to one side of the gear.
In some embodiments, the number of the adjusting tracks is two, the two adjusting tracks are oppositely arranged, the distance between the two first tracks is L, the distance between the two second tracks is L-2t, and t is a preset value.
In some embodiments, the first track and the second track vary in thickness with a smooth transition.
In some embodiments, the centering module further comprises a centering positioning block and a centering positioning cone, wherein the centering positioning block is fixed on the outer cylinder and provided with a positioning notch, the centering positioning cone is fixed on the top of the inner cylinder, and after the inner cylinder is lifted by a preset distance, the centering positioning cone is inserted into the positioning notch of the centering positioning block.
An adjusting method for automatically adjusting a gap, which is adjusted by using the guiding device for automatically adjusting the gap, comprises the following steps:
when the inner cylinder is lifted, the inner cylinder drives the gear of the adjusting module to roll along the rack,
simultaneously, when the gear rotates along the screw tightening direction of the adjusting bolt, the adjusting bolt is tightened to squeeze the screw, the screw pushes the sliding seat to move in the direction away from the base, the distance between the moving element and the adjusting track is reduced, and the moving element is abutted against the second track of the adjusting track;
at this time, the clearance between the moving element and the adjusting rail is adjusted, and the inner cylinder descends to the first rail of the adjusting rail.
Compared with the prior art, the technical scheme of the invention has the following advantages:
the guiding device for automatically adjusting the gap solves the problem that the gap between the guiding wheel or the guiding sliding block and the track cannot be manually adjusted, has high adjusting efficiency and high precision, improves the guiding reliability of the guiding device in the running process of equipment, and ensures the normal running of the equipment.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
Fig. 1 is a schematic view of a guide device for automatically adjusting a gap in the present invention.
Fig. 2 is a front view of a guide device for automatically adjusting a gap in the present invention.
Fig. 3 is a schematic structural view of the outer tub in the present invention.
Fig. 4 is a front view of the outer tub in the present invention.
FIG. 5 is a schematic view of the inner barrel of the present invention.
Fig. 6 is a schematic structural view of the adjusting module in the present invention.
Fig. 7 is a cross-sectional view of a conditioning module in accordance with the present invention.
Fig. 8 is a partial exploded view of the conditioning module of the present invention.
Fig. 9 is an exploded view of the conditioning module of the present invention.
Description of the specification reference numerals: 1. an outer cylinder; 2. an inner cylinder; 3. a rack; 4. an adjustment module; 401. an end cap; 402. a first fastening element; 403. a gear; 404. an adjusting bolt; 405. a pawl; 406. a first elastic element; 407. a torque adjustment assembly; 408. a square nut; 409. a screw; 410. a base; 411. a sliding seat; 412. a moving element; 5. adjusting the track; 501. a first track; 502. a second track; 6. centering the positioning block; 7. centering the positioning cone.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
The foregoing and other features, aspects and advantages of the present invention will become more apparent from the following detailed description of the embodiments, read in conjunction with the accompanying drawings. The directional terms mentioned in the following embodiments are, for example: upper, lower, left, right, front or rear, etc., are merely references to the directions of the drawings. Thus, directional terminology is used for the purpose of illustration and is not intended to be limiting of the invention, and furthermore, like reference numerals refer to like elements throughout the embodiments.
Example 1:
referring to fig. 1 to 4, a guide device for automatically adjusting a gap includes an outer cylinder 1, an inner cylinder 2, and at least one adjustment module 4.
Wherein, with reference to fig. 3 and 4, the outer cylinder 1 and the inner cylinder 2 are coaxially arranged; the inner wall of the outer cylinder 1 is provided with at least one rack 3 and at least one adjusting rail 5 which are arranged on different surfaces, and the rack 3 and the adjusting rail 5 are arranged along the height direction of the outer cylinder 1; wherein the adjustment track 5 comprises a first track 501 and a second track 502, the thickness of the first track 501 being smaller than the thickness of the second track 502.
In particular, the adjustment modules 4 are generally used in pairs, but may also be used alone. For example, in the case of a pair of use, several adjustment modules 4 can be mounted on the inner guide. The following embodiments are applicable to the guide cylinder, other running mechanisms, etc.
In this embodiment, the inner wall of the outer cylinder 1 is provided with two racks 3 and two adjusting rails 5, and the two racks 3 are disposed in parallel on the same mounting surface of the outer cylinder 1, and the two adjusting rails 5 are disposed opposite to different mounting surfaces of the outer cylinder 1.
Further, the two adjusting rails 5 are oppositely arranged, the distance between the two first rails 501 is L, the distance between the two second rails 502 is L-2t, wherein t is a preset value, and the gap between the moving element 412 and the adjusting rail 5 is set according to actual needs.
The thickness variation of the first track 501 and the second track 502 is a smooth transition, i.e. the thickness variation of the first track 501 and the second track 502 is provided with an arc connection curve.
Correspondingly, the number of the adjusting modules 4 is two, and the two adjusting modules 4 are arranged at the top of the inner cylinder 2. Preferably, the two adjusting modules 4 are symmetrically arranged about the center line of the inner cylinder 2, ensuring that the inner cylinder 2 does not incline during the ascent or descent. The inner cylinder 2 is lifted or lowered by an external power source, for example, a wire rope is used for hoisting, and the hoisting mechanism can be a crane.
Referring to fig. 6-9, each adjustment module 4 includes an end cap 401, a gear 403, an adjustment bolt 404, a square nut 408, a screw 409, a base 410, a sliding seat 411, and a moving element 412.
Specifically, the gear 403 has a mounting hole, and the mounting hole is provided with a step of one step, the gear 403 is sleeved on the head of the adjusting bolt 404, and when the screw portion of the adjusting bolt 404 passes through the mounting hole of the gear 403, the head of the adjusting bolt 404 is caught by the step of the mounting hole, restricting further movement thereof.
The end cap 401 is fixed to one side of the gear 403, specifically, the end cap 401 is fixed to one side of the gear 403 by at least one first fastening element 402, such as a bolt, to close the mounting hole of the gear 403, to perform a dust-proof and sealing function, and at the same time, to perform an axial positioning function for the gear 403 and the adjusting bolt 404.
The screw portion of the adjusting bolt 404 is in threaded connection with the square nut 408, the screw portion of the screw 409 penetrates through the screw portion of the adjusting bolt 404, the head of the screw 409 is fixedly connected with the sliding seat 411, the sliding seat 411 is installed in the base 410 and slides relative to the base 410, and the moving element 412 is fixed on one side of the sliding seat 411.
Specifically, the axes of the gear 403, the adjusting bolt 404, the square nut 408, the screw 409, the base 410, the slide seat 411, and the moving element 412 are all on the same horizontal line. Wherein the moving element 412 is a guide wheel (as shown in fig. 9) or a slider (not shown).
The base 410 may be a split type member, for example, as shown in fig. 9, the base 410 includes a top plate, a bottom plate and a set of side plates, the side plates are vertically disposed between the top plate and the bottom plate to form a cuboid member, the top plate and the side plates may be connected by using a clamping connection and/or a bolt connection, so that the later maintenance and overhaul of the adjustment module 4 is facilitated, and the side plates and the bottom plate may be connected by using a clamping connection or a bolt connection or a welding connection. Preferably, in order to ensure the firmness of the base 410, the edge of the top plate is provided with a protruding portion, the side plate is provided with a groove portion at a corresponding position of the side plate, the protruding portion and the groove portion can be clamped, and then, a plurality of bolts are screwed from the top plate to the side plate to complete the fixed connection between the top plate and the side plate.
The sliding seat 411 comprises a first sliding plate and a second sliding plate which are arranged in parallel, and a connecting plate is arranged on the same side of the first sliding plate and the second sliding plate to connect the first sliding plate and the second sliding plate. When the moving element 412 is a guide wheel, the first sliding plate and the second sliding plate are both provided with shaft holes, and the shaft holes are used for being connected with the wheel shaft of the guide wheel; when the moving element 412 is a guide slider, a rectangular guide slider is disposed on a side of the first sliding plate and the second sliding plate, where the connecting plate is not disposed.
The working principle of the invention is as follows:
when the inner cylinder 2 is lifted, the inner cylinder 2 drives the gear 403 of the adjusting module 4 to roll along the rack 3, meanwhile, when the gear 403 rotates along the screw tightening direction of the adjusting bolt 404, the adjusting bolt 404 is tightened to press the screw 409, the screw 409 pushes the sliding seat 411 to move away from the square nut 408, and the distance between the moving element 412 and the adjusting track 5 is reduced until the moving element 412 abuts against the second track 502 of the adjusting track 5;
at this time, the adjustment of the gap between the moving element 412 and the adjustment rail 5 is completed, and the inner tube 2 is lowered to the first rail 501 of the adjustment rail 5.
Example 2:
based on embodiment 1, the adjusting module 4 further includes a ratchet wheel and a pawl 405, the ratchet wheel is disposed at the head of the adjusting bolt 404, the pawl 405 is elastically connected with the inside of the gear 403, specifically, the gear 403 is provided with a radial channel, a first elastic element 406 is disposed in the channel, one end of the first elastic element 406 abuts against the inner bottom wall of the channel, and the other end of the first elastic element 406 abuts against the surface of the pawl 405. Alternatively, the first resilient element 406 is a compression spring.
When the gear 403 rotates in the screw tightening direction of the adjustment bolt 404, the driving pawl 405 is inserted into the ratchet to push the ratchet to rotate. When the gear 403 rotates in the reverse direction, the pawl 405 is released, preventing the adjustment bolt 404 from being unscrewed.
Preferably, the ratchet is integrally formed with the head of the adjustment bolt 404, i.e., the outer edge of the head of the adjustment bolt 404 is provided with ratchet teeth.
Example 3:
based on embodiment 2, the guiding device for automatically adjusting the gap further comprises a torque adjusting assembly 407, wherein the torque adjusting assembly 407 comprises a ball and a second elastic element, the second elastic element is pre-embedded in the head of the adjusting bolt 404, one end of the second elastic element abuts against the ball, and the ball is arranged between the adjusting bolt 404 and the gear 403. Specifically, the head of the adjusting bolt 404 is axially provided with a channel, a second elastic element is embedded in the channel, one end of the second elastic element is abutted against the inner bottom wall of the channel, the other end of the second elastic element is connected with a ball, the gear 403 is provided with an arc-shaped groove, the arc-shaped groove can be used for being attached to the outer surface of the ball, and optionally, the second elastic element is a compression spring.
When the moving element 412 is pushed up with the adjusting track 5 and cannot move any more, but the gear 403 is still rotating along the rack 3, the second elastic element of the moment adjusting assembly 407 pushes out the balls, and the balls of the moment adjusting assembly 407 can slip the gear 403, so as to prevent the guide device from being damaged.
Example 4:
based on any one of embodiments 1 to 3, in order to ensure that the centers of the outer cylinder 1 and the inner cylinder 2 are aligned after the gap between the moving element 412 and the adjusting rail 5 is adjusted, that is, the outer cylinder 1 and the inner cylinder 2 do not deflect, the guiding device for automatically adjusting the gap further comprises a centering module, the centering module comprises a centering positioning block 6 and a centering positioning cone 7, the centering positioning block 6 is fixed on the outer cylinder 1 and provided with a positioning notch, the centering positioning cone 7 is fixed on the top of the inner cylinder 2, and after the inner cylinder 2 is lifted by a preset distance, the centering positioning cone 7 is inserted into the positioning notch of the centering positioning block 6. Preferably, the shape of the positioning notch is the same as the shape of the centering cone 7.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.

Claims (10)

1. A guiding device for automatically adjusting a gap, characterized in that: comprising the following steps:
an inner cylinder (2),
an outer cylinder (1) coaxially arranged with the inner cylinder (2); the inner wall of the outer cylinder (1) is provided with at least one rack (3) and at least one adjusting rail (5) which are arranged on different surfaces, and the rack (3) and the adjusting rail (5) are arranged along the height direction of the outer cylinder (1); wherein the adjustment track (5) comprises a first track (501) and a second track (502), the thickness of the first track (501) being smaller than the thickness of the second track (502);
at least one adjusting module (4) arranged at the top of the inner cylinder (2); the adjusting module (4) comprises a gear (403), an adjusting bolt (404), a square nut (408), a screw (409), a base (410), a sliding seat (411) and a moving element (412); the gear (403) is sleeved on the head of the adjusting bolt (404), the screw rod part of the adjusting bolt (404) is in threaded connection with the square nut (408), the screw rod part of the screw (409) penetrates through the screw rod part of the adjusting bolt (404), the head of the screw (409) is fixedly connected with the sliding seat (411), the sliding seat (411) is installed in the base (410) and slides in the base (410) relative to the square nut (408), and the moving element (412) is fixed on one side of the sliding seat (411);
apply external force and promote inner tube (2), inner tube (2) drive gear (403) of adjusting module (4) are followed rack (3) roll, simultaneously, gear (403) are followed when the screw tightening direction of adjusting bolt (404) is rotatory, screw down adjusting bolt (404) extrusion screw (409), screw (409) promote sliding seat (411) are to keeping away from direction removal of square nut (408), reduce remove component (412) with interval between adjusting track (5).
2. The automatic clearance adjustment guide of claim 1, wherein: the moving element (412) is a guide wheel or a slider.
3. The automatic clearance adjustment guide of claim 1, wherein: the adjusting module (4) further comprises a ratchet wheel and a pawl (405), the ratchet wheel is arranged at the head of the adjusting bolt (404), the pawl (405) is elastically connected with the inside of the gear (403), and when the gear (403) rotates along the screwing direction of the adjusting bolt (404), the pawl (405) is driven to be inserted into the ratchet wheel to push the ratchet wheel to rotate.
4. A guide for automatically adjusting a gap as claimed in claim 3, wherein: the ratchet wheel and the head of the adjusting bolt (404) are integrally formed.
5. The automatic clearance adjustment guide of claim 1, wherein: the adjusting module (4) further comprises a moment adjusting assembly (407), the moment adjusting assembly (407) comprises balls and a second elastic element, the second elastic element is embedded in the head of the adjusting bolt (404), one end of the second elastic element is abutted against the balls, and the balls are arranged between the adjusting bolt (404) and the gear (403).
6. The automatic clearance adjustment guide of claim 1, wherein: the adjustment module (4) further comprises an end cap (401) fixed to one side of the gear (403).
7. The automatic clearance adjustment guide of claim 1, wherein: the number of the adjusting rails (5) is two, the two adjusting rails (5) are oppositely arranged, the distance between the two first rails (501) is L, the distance between the two second rails (502) is L-2t, and t is a preset value.
8. The automatic clearance adjustment guide of claim 1, wherein: the thickness variation of the first track (501) and the second track (502) is a smooth transition.
9. The automatic clearance adjustment guide of claim 1, wherein: the centering module comprises a centering positioning block (6) and a centering positioning cone (7), the centering positioning block (6) is fixed on the outer cylinder (1) and provided with a positioning notch, the centering positioning cone (7) is fixed on the top of the inner cylinder (2), and after the inner cylinder (2) is lifted by a preset distance, the centering positioning cone (7) is inserted into the positioning notch of the centering positioning block (6).
10. An adjustment method of automatically adjusting a gap, using the guide device for automatically adjusting a gap as claimed in any one of claims 1 to 9, characterized by comprising the steps of:
when the inner cylinder (2) is lifted, the inner cylinder (2) drives the gear (403) of the adjusting module (4) to roll along the rack (3),
simultaneously, when the gear (403) rotates along the screw tightening direction of the adjusting bolt (404), the adjusting bolt (404) is tightened to press the screw (409), the screw (409) pushes the sliding seat (411) to move away from the base (410), and the distance between the moving element (412) and the adjusting rail (5) is reduced until the moving element (412) is abutted against the second rail (502) of the adjusting rail (5);
at this time, the clearance between the moving element (412) and the adjustment rail (5) is adjusted, and the inner cylinder (2) is lowered to the first rail (501) of the adjustment rail (5).
CN202310520905.0A 2023-05-10 2023-05-10 Guiding device capable of automatically adjusting gap and adjusting method Pending CN116576248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310520905.0A CN116576248A (en) 2023-05-10 2023-05-10 Guiding device capable of automatically adjusting gap and adjusting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310520905.0A CN116576248A (en) 2023-05-10 2023-05-10 Guiding device capable of automatically adjusting gap and adjusting method

Publications (1)

Publication Number Publication Date
CN116576248A true CN116576248A (en) 2023-08-11

Family

ID=87537059

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310520905.0A Pending CN116576248A (en) 2023-05-10 2023-05-10 Guiding device capable of automatically adjusting gap and adjusting method

Country Status (1)

Country Link
CN (1) CN116576248A (en)

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