An internal waterproof, dustproof and anti-settling device for elevator installation

Abstract

The application discloses an internal waterproof, dustproof and anti-settling device during elevator installation and relates to the technical field of elevator installation. The internal waterproof, dustproof and anti-settling device during elevator installation comprises an anti-settling lower plate, a protection unit, a limiting unit and a connecting unit, and a damping middle seat is fixedly installed at the top of the anti-settling lower plate. The internal waterproof, dustproof and anti-settling device during elevator installation is used in cooperation with a rotating stud, a connecting hollow column, an adjusting supporting column, a reinforcing hollow column and a water absorbing rod, can lift the adjusting supporting column, can adjust the position of the anti-settling lower plate according to the installation position during installation, reduces the inclination of the anti-settling lower plate caused by different ground hardness after the anti-settling supporting column is inserted into the ground, and thus can increase the levelness of the anti-settling lower plate during installation, and through the arrangement of the water absorbing rod and a water absorbing plate, the accumulated water in the ground can be treated by water absorption.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of elevator installation, in particular to an internal waterproof, dustproof and anti-settlement device during elevator installation. BACKGROUND

[0002] The shock absorption protection structure for preventing elevator impact load settlement of the Chinese patent document CN111997099B can control the easy settlement of the elevator foundation under repeated load impact, improve the stability of the elevator foundation, and well reinforce the connection between the elevator shaft and the elevator foundation. When the elevator shaft moves, it can have good buffering, and the shaft and the foundation work cooperatively. Whether it is lateral movement or vertical movement, it can achieve good reinforcement effect. The high-damping rubber and manganese steel support column in the buffer friction built-in blanket are extruded to buffer, especially the design of the variable-caliber vibration displacement buffer reserved area, which can make the buffer friction built-in blanket and the manganese steel support column extruded to buffer more efficiently under repeated load impact. It provides good buffering during elevator use, offsets the impact force generated during use, makes the stress more uniform, and has remarkable anti-settlement effect. The present application can prevent or reduce the settlement distance of the installed elevator foundation, avoid safety hazards during elevator use, adapt to the development direction of the modification of existing buildings in old urban areas, improve the stability of the elevator use, and prevent repeated load impact from causing the settlement of the elevator foundation.

[0003] The above-mentioned shock absorption protection structure for preventing elevator impact load settlement lacks a waterproof component during use. Since the structure is installed on the ground, water can accumulate on the ground in rainy weather. In the case of long-term water accumulation, the water may cause corrosion to part of the shock absorption protection structure, reducing the service life of the structure. SUMMARY

[0004] The present application aims to at least solve one of the technical problems in the prior art, and provides an internal waterproof, dustproof and anti-settlement device during elevator installation, which can solve the problem of water accumulation on the ground in rainy weather, which may cause corrosion to part of the shock absorption protection structure in the case of long-term water accumulation.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: an internal waterproof, dustproof and anti-settlement device during elevator installation, comprising an anti-settlement lower plate, a protection unit, a limiting unit and a connecting unit, a shock-absorbing middle seat is fixedly installed on the top of the anti-settlement lower plate, a shock-absorbing upper plate is fixedly installed on the top of the shock-absorbing middle seat, and a shock-absorbing column is fixedly installed on the top of the anti-settlement lower plate and the bottom of the anti-settlement upper plate;

[0006] The protection unit is arranged on the anti-settling lower plate, and comprises a rotating stud, an adjusting support column and an upper water stone rod, the rotating stud is used to drive the upper water stone rod to ascend and descend, and the upper water stone rod is located in the rotating stud and the adjusting support column.

[0007] The limiting unit is arranged on the anti-settling upper plate, and comprises a maintenance door and a limiting block, the limiting block is arranged on the maintenance door and is used to limit the maintenance door and the anti-settling upper plate.

[0008] The connecting unit is arranged on the protection unit, and comprises a mounting side plate and a connecting mounting plate, and a support space is arranged between the mounting side plate and the connecting mounting plate.

[0009] Preferably, the protection unit further comprises a connecting hollow column, a reinforcing hollow column, a fixed threaded sleeve, an upper water stone plate, a dustproof plate, a reinforcing steel plate and an anti-settling support column, the top of the anti-settling lower plate is fixedly installed with the reinforcing steel plate, the top of the reinforcing steel plate is fixedly installed with the bottom of the anti-settling upper plate, the interiors of the anti-settling lower plate and the damping middle seat are both provided with a circular groove, the inner wall of the circular groove is fixedly installed with the fixed threaded sleeve, the inner wall of the fixed threaded sleeve is threadedly installed with the rotating stud, the bottom of the rotating stud is fixedly installed with the connecting hollow column, the bottom of the connecting hollow column is fixedly installed with the adjusting support column, one end of the adjusting support column penetrates through the circular groove on the anti-settling lower plate and extends below the anti-settling lower plate, the interiors of the rotating stud, the connecting hollow column and the adjusting support column are all provided with reinforcing holes, the inner wall of the reinforcing hole is fixedly installed with the reinforcing hollow column, the interior of the reinforcing hollow column is provided with a water absorbing hole, the inner wall of the water absorbing hole is fixedly installed with the upper water stone rod, the bottom of the anti-settling lower plate is fixedly installed with the anti-settling support column, the interior of the damping middle seat is provided with a placing groove, the placing groove is placed with the upper water stone plate, the interior of the upper water stone plate is provided with a hole for the upper water stone rod to move, one end of the upper water stone rod extends into the hole on the upper water stone plate, the outer wall of the anti-settling lower plate and the outer wall of the anti-settling upper plate are fixedly installed with the dustproof plate, and the reinforcing steel plate is located in the dustproof plate.

[0010] Preferably, the interior of the adjusting support column and the reinforcing hollow column is provided with a water inlet hole, the inner wall of the circular groove on the anti-settling lower plate is fixedly attached with a sealing ring, and the inner wall of the sealing ring is in contact with the inner wall of the connecting hollow column without being fixed.

[0011] Preferably, the limiting unit further comprises a telescopic rod, a limiting spring, a movable plate and a pushing rod, the top of the anti-settling upper plate is hingedly installed with the maintenance door through a hinge, the interior of the maintenance door is provided with a groove, the rear inner wall of the groove is fixedly installed with the limiting spring, the front side of the limiting spring is fixedly installed with the movable plate, the front side of the movable plate is fixedly installed with the limiting block, the top of the movable plate is fixedly installed with the pushing rod, the movable plate and the groove on the maintenance door are slidingly arranged, the rear inner wall of the groove is fixedly installed with the telescopic rod, and the free end of the telescopic rod is fixedly installed with the rear side of the movable plate.

[0012] Preferably, the top of the access door is provided with an opening for the activity of the lever, one end of the lever passes through the opening of the top of the anti-settlement lower plate and extends above the access door.

[0013] Preferably, the connecting unit further comprises a guide vertical plate, a sliding connection sleeve plate, a stabilizing column, a stabilizing sleeve, a first damping support spring, a fixed box, a second damping support spring, a sliding block and a support square rod, one side of the dustproof plate is fixedly installed with a mounting side plate, the inner side top and the inner side bottom of the mounting side plate are fixedly installed with a guide vertical plate, the outer wall of the guide vertical plate is slidingly installed with a sliding connection sleeve plate, one side of the sliding connection sleeve plate is fixedly installed with a fixed box, the inner wall of one side of the fixed box is fixedly installed with a second damping support spring, one side of the second damping support spring is fixedly installed with a sliding block, one side of the sliding block is fixedly installed with a support square rod, one side of the support square rod is fixedly installed with a connecting mounting plate, the top of the sliding connection sleeve plate is fixedly installed with a stabilizing sleeve, the inner side top of the stabilizing sleeve is fixedly installed with a first damping support spring, the inner side top of the mounting side plate is fixedly installed with a stabilizing column, one end of the stabilizing column extends to the inside of the stabilizing sleeve and is fixedly installed with the top of the first damping support spring, and the stabilizing sleeve and the stabilizing column are slidingly arranged.

[0014] Preferably, the front side and the rear side of the connecting mounting plate are fixedly installed with a fixed horizontal plate, and the inside of the fixed horizontal plate is provided with a mounting hole, so that the connecting mounting plate and the foundation wall can be installed.

[0015] Preferably, the bottom of the adjusting support column and the anti-settlement support column is conical, so that the adjusting support column and the anti-settlement support column can be inserted into the ground.

[0016] Compared with the prior art, the beneficial effects of the present application are:

[0017] (1) The internal waterproof, dustproof and anti-settlement device during installation of the elevator, by cooperation of the rotating stud, the connecting hollow column, the adjusting support column, the reinforcing hollow column and the water stone rod, the adjusting support column can be lifted, so that the position of the anti-settlement lower plate can be adjusted according to the installation position during installation, reducing the inclination of the anti-settlement lower plate caused by different hardness of the foundation after the anti-settlement support column is inserted into the ground, thereby increasing the levelness of the anti-settlement lower plate during installation, and through the setting of the water stone rod and the water stone plate, the accumulated water in the ground can be pumped, avoiding the accumulation of water in the installation position during the rainy season when the water volume is large, thereby avoiding the corrosion of the accumulated water on the adjusting support column and the anti-settlement support column, improving the service life of the device as a whole, and the dustproof plate can wrap the anti-settlement lower plate, the shock-absorbing middle seat and the anti-settlement upper plate, so as to increase the dustproof effect of the device.

[0018] (2) The internal waterproof, dustproof and anti-settlement device during installation of the elevator, through the setting of the inspection door, the telescopic rod, the limiting spring, the movable plate and the limiting block, the inspection door can be limited, so that after the water absorption plate absorbs water, the water absorption plate can be taken out after the limiting of the inspection door is cancelled, dried or replaced, avoiding the case that the water in the water absorption plate cannot be dissipated, resulting in poor water absorption efficiency of the water absorption plate, thereby ensuring the waterproof effect of the device, and such limiting method is simple and convenient for workers to operate, which not only reduces the labor intensity of workers, but also improves the efficiency of workers in replacing the water absorption plate.

[0019] (3) The internal waterproof, dustproof and anti-settlement device during installation of the elevator, through the cooperation of the installation side plate, the guide vertical plate, the sliding connection sleeve plate, the stabilizing column, the stabilizing sleeve, the first damping support spring and the fixing box, the anti-settlement lower plate can be connected with the anti-settlement upper plate and the foundation, and such connection method is flexible connection, which can reduce the pulling of the foundation and avoid the damage of the foundation due to stress, and after the anti-settlement lower plate and the anti-settlement upper plate are connected with the foundation, the settlement of the anti-settlement lower plate can be reduced, thereby improving the anti-settlement effect of the device. BRIEF DESCRIPTION OF DRAWINGS

[0020] The application will be further described below in combination with the drawings and examples:

[0021] Figure 1 It is a perspective view of the sectional view of the application;

[0022] Figure 2 It is a perspective view of the reinforcing steel plate of the application;

[0023] Figure 3 It is a structural schematic view of the shock-absorbing middle seat of the application;

[0024] Figure 4 It is an enlarged view of part A of the application;

[0025] Figure 5 It is a sectional view of the inspection door of the application;

[0026] Figure 6 It is a sectional view of the installation side plate of the application;

[0027] Figure 7 It is a bottom view of the application.

[0028] Mark No. : 1, anti-settling lower plate; 2, shock-absorbing middle seat; 3, anti-settling upper plate; 4, protection unit; 401, rotating stud; 402, connecting hollow column; 403, adjusting support column; 404, reinforcing hollow column; 405, water lifting rod; 406, fixed threaded sleeve; 407, water lifting plate; 408, dustproof plate; 409, reinforcing steel plate; 410, anti-settling support column; 5, limiting unit; 501, access door; 502, telescopic rod; 503, limiting spring; 504, movable plate; 505, limiting block; 506, toggle lever; 6, shock-absorbing column; 7, connecting unit; 701, mounting side plate; 702, guide vertical plate; 703, sliding connection sleeve plate; 704, stabilizing column; 705, stabilizing sleeve; 706, first damping support spring; 707, fixed box; 708, second damping support spring; 709, sliding square block; 710, support square rod; 711, connecting mounting plate. DETAILED DESCRIPTION

[0029] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical solution of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0030] Please refer to Figures 1-7 The present application provides a technical solution: an internal waterproof, dustproof and anti-settling device during elevator installation, comprising an anti-settling lower plate 1, a protection unit 4, a limiting unit 5 and a connecting unit 7, a shock-absorbing middle seat 2 is fixedly installed on the top of the anti-settling lower plate 1, an anti-settling upper plate 3 is fixedly installed on the top of the shock-absorbing middle seat 2, and a shock-absorbing column 6 is fixedly installed on the top of the anti-settling lower plate 1 and the bottom of the anti-settling upper plate 3; the protection unit 4 is arranged on the anti-settling lower plate 1, the protection unit 4 comprises a rotating stud 401, an adjusting support column 403 and a water lifting rod 405, the rotating stud 401 is used to drive the water lifting rod 405 to ascend and descend, and the water lifting rod 405 is located inside the rotating stud 401 and the adjusting support column 403; the limiting unit 5 is arranged on the anti-settling upper plate 3, the limiting unit 5 comprises an access door 501 and a limiting block 505, the limiting block 505 is arranged on the access door 501 and is used to limit the access door 501 and the anti-settling upper plate 3; the connecting unit 7 is arranged on the protection unit 4, and the connecting unit 7 comprises a mounting side plate 701 and a connecting mounting plate 711, and a support space is arranged between the mounting side plate 701 and the connecting mounting plate 711.

[0031] Further, the protection unit 4 further comprises a connecting hollow column 402, a reinforcing hollow column 404, a fixed threaded sleeve 406, a water supply stone plate 407, a dustproof plate 408, a reinforcing steel plate 409 and an anti-settlement support column 410. The reinforcing steel plate 409 is fixedly installed on the top of the anti-settlement lower plate 1. The top of the reinforcing steel plate 409 is fixedly installed with the bottom of the anti-settlement upper plate 3. The interiors of the anti-settlement lower plate 1 and the shock-absorbing middle seat 2 are both provided with a circular groove. The inner wall of the circular groove is fixedly installed with the fixed threaded sleeve 406. The inner wall of the fixed threaded sleeve 406 is threadedly installed with the rotating stud 401. The bottom of the rotating stud 401 is fixedly installed with the connecting hollow column 402. The bottom of the connecting hollow column 402 is fixedly installed with the adjusting support column 403. One end of the adjusting support column 403 penetrates through the circular groove on the anti-settlement lower plate 1 and extends below the anti-settlement lower plate 1. The interiors of the rotating stud 401, the connecting hollow column 402 and the adjusting support column 403 are all provided with reinforcing holes. The inner wall of the reinforcing hole is fixedly installed with the reinforcing hollow column 404. The interior of the reinforcing hollow column 404 is provided with a water absorption hole. The inner wall of the water absorption hole is fixedly installed with the water supply stone rod 405. The bottom of the anti-settlement lower plate 1 is fixedly installed with the anti-settlement support column 410. The interior of the shock-absorbing middle seat 2 is provided with a placing groove. The placing groove is placed with the water supply stone plate 407. The interior of the water supply stone plate 407 is provided with a hole for the water supply stone rod 405 to move. One end of the water supply stone rod 405 extends into the hole on the water supply stone plate 407. The outer wall of the anti-settlement lower plate 1 and the outer wall of the anti-settlement upper plate 3 are fixedly installed with the dustproof plate 408. The reinforcing steel plate 409 is located inside the dustproof plate 408. The interior of the adjusting support column 403 and the reinforcing hollow column 404 is provided with a water inlet hole. The inner wall of the circular groove on the anti-settlement lower plate 1 is fixedly installed with a sealing ring. The inner wall of the sealing ring is in contact with the inner wall of the connecting hollow column 402 without being fixed. In this way, the adjusting support column 403 can be lifted. When installing, the position of the anti-settlement lower plate 1 can be adjusted according to the installation position, reducing the inclination of the anti-settlement lower plate 1 caused by different hardness of the foundation after the anti-settlement support column 410 is inserted into the ground. This can increase the levelness of the anti-settlement lower plate 1 during installation. The water on the ground can be absorbed by the water supply stone rod 405 and the water supply stone plate 407. This avoids the accumulation of water in the installation position during the rainy season, thereby avoiding the corrosion of the adjusting support column 403 and the anti-settlement support column 410 caused by the water, improving the service life of the device as a whole. At the same time, the dustproof plate 408 can wrap the anti-settlement lower plate 1, the shock-absorbing middle seat 2 and the anti-settlement upper plate 3, thereby increasing the dustproof effect of the device.

[0032] Further, the limiting unit 5 further comprises a telescopic rod 502, a limiting spring 503, a movable plate 504 and a push rod 506, the top of the anti-settling upper plate 3 is hingedly installed with an access door 501 through a hinge, a recess is formed in the access door 501, the rear inner wall of the recess is fixedly installed with the limiting spring 503, the front side of the limiting spring 503 is fixedly installed with the movable plate 504, the front side of the movable plate 504 is fixedly installed with a limiting block 505, the top of the movable plate 504 is fixedly installed with the push rod 506, the movable plate 504 and the recess on the access door 501 are slidingly arranged, the rear inner wall of the recess is fixedly installed with the telescopic rod 502, the free end of the telescopic rod 502 is fixedly installed with the rear side of the movable plate 504, the top of the access door 501 is provided with an opening for the movement of the push rod 506, one end of the push rod 506 extends to above the access door 501 through the opening in the top of the anti-settling lower plate 1, which can limit the access door 501, so that after the water absorption plate 407 absorbs water, the water absorption plate 407 can be taken out after the limiting of the access door 501 is cancelled, and the water absorption plate 407 can be dried or replaced, avoiding the situation that the water in the water absorption plate 407 cannot be discharged, resulting in poor water absorption efficiency of the water absorption plate 407, thereby ensuring the waterproof effect of the device, and such limiting method is simple and convenient for workers to operate, which not only reduces the labor intensity of workers, but also improves the efficiency of workers in replacing the water absorption plate 407.

[0033] Further, the connecting unit 7 further comprises a guide vertical plate 702, a sliding connecting sleeve plate 703, a stabilizing column 704, a stabilizing sleeve 705, a first damping support spring 706, a fixing box 707, a second damping support spring 708, a sliding block 709 and a support square rod 710, one side of the dustproof plate 408 is fixedly installed with a mounting side plate 701, the inner side top and the inner side bottom of the mounting side plate 701 are fixedly installed with the guide vertical plate 702, the outer wall of the guide vertical plate 702 is slidingly installed with the sliding connecting sleeve plate 703, one side of the sliding connecting sleeve plate 703 is fixedly installed with the fixing box 707, the inner wall of one side of the fixing box 707 is fixedly installed with the second damping support spring 708, one side of the second damping support spring 708 is fixedly installed with the sliding block 709, one side of the sliding block 709 is fixedly installed with the support square rod 710, one side of the support square rod 710 is fixedly installed with a connecting mounting plate 711, the top of the sliding connecting sleeve plate 703 is fixedly installed with the stabilizing sleeve 705, the inner side top of the stabilizing sleeve 705 is fixedly installed with the first damping support spring 706, the inner side top of the mounting side plate 701 is fixedly installed with the stabilizing column 704, one end of the stabilizing column 704 extends to the inside of the stabilizing sleeve 705 and is fixedly installed with the top of the first damping support spring 706, the stabilizing sleeve 705 and the stabilizing column 704 are slidingly arranged, the front side and the rear side of the connecting mounting plate 711 are fixedly installed with a fixed horizontal plate, the inside of the fixed horizontal plate is provided with a mounting hole, the bottom of the adjusting support column 403 and the anti-settlement support column 410 are conically arranged, so that the anti-settlement lower plate 1 and the anti-settlement upper plate 3 and the foundation can be connected, and such a connection mode is flexible connection, which can reduce the pulling of the foundation, avoid damage to the foundation due to stress, and after the anti-settlement lower plate 1 and the anti-settlement upper plate 3 are connected with the foundation, the settlement of the anti-settlement lower plate 1 can be reduced, thereby improving the anti-settlement effect of the device.

[0034] Working principle: when in use, insert the anti-settling support column 410 into the ground, then rotate the rotating stud 401, the rotating stud 401 rotates to drive the hollow column 402 and the adjusting support column 403 to descend, the position of the adjusting support column 403 can be adjusted, when the position of the anti-settling lower plate 1 is horizontal, fix the connecting mounting plate 711 on the wall of the foundation by expansion bolts and other fasteners, in this way the installation of the device can be completed, when water accumulates at the bottom of the anti-settling lower plate 1, the water enters the inside of the reinforced hollow column 404 through the water inlet hole on the adjusting support column 403, then the water is sucked into the water stone plate 407 by the water stone rod 405 for storage, thereby the situation of water accumulation at the bottom of the anti-settling lower plate 1 can be reduced, when it is necessary to replace the water stone plate 407, move the push rod 506, the movement of the push rod 506 drives the movement of the movable plate 504, the movement of the movable plate 504 drives the movement of the limiting block 505, after the movement of the limiting block 505, the limiting of the access door 501 and the anti-settling upper plate 3 can be cancelled, then open the access door 501 to take out the water stone plate 407.

[0035] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art in the technical field without departing from the purpose of the present application.

Claims

1. An internal waterproof, dustproof, and anti-settlement device for elevator installation, characterized in that, include: The lower anti-settlement plate (1) is fixedly installed with a shock-absorbing middle seat (2) on the top of the lower anti-settlement plate (1), and an upper anti-settlement plate (3) is fixedly installed on the top of the shock-absorbing middle seat (2). Shock-absorbing columns (6) are fixedly installed on the top of the lower anti-settlement plate (1) and the bottom of the upper anti-settlement plate (3). The protective unit (4) is located on the anti-settlement lower plate (1). The protective unit (4) includes a rotating stud (401), an adjusting support column (403), and a water-filled stone rod (405). The rotating stud (401) is used to drive the water-filled stone rod (405) to move up and down. The water-filled stone rod (405) is located inside the rotating stud (401) and the adjusting support column (403). A limiting unit (5) is provided on the anti-settlement upper plate (3). The limiting unit (5) includes an inspection door (501) and a limiting block (505). The limiting block (505) is provided on the inspection door (501) and is used to limit the inspection door (501) from the anti-settlement upper plate (3). A connecting unit (7) is provided on the protective unit (4). The connecting unit (7) includes a mounting side plate (701) and a connecting mounting plate (711). A support space is provided between the mounting side plate (701) and the connecting mounting plate (711). The protective unit (4) also includes a connecting hollow column (402), a reinforcing hollow column (404), a fixed threaded sleeve (406), a water-absorbing stone slab (407), a dustproof plate (408), a reinforcing steel plate (409), and an anti-settlement support column (410). The top of the anti-settlement lower plate (1) is fixedly installed with a reinforcing steel plate (409), and the top of the reinforcing steel plate (409) is fixedly installed with the bottom of the anti-settlement upper plate (3). The anti-settlement lower plate (1) and the shock absorber The interior of the middle seat (2) is provided with circular grooves. A fixed threaded sleeve (406) is fixedly installed on the inner wall of the circular groove. A rotating stud (401) is threaded on the inner wall of the fixed threaded sleeve (406). A connecting hollow column (402) is fixedly installed at the bottom of the rotating stud (401). An adjusting support column (403) is fixedly installed at the bottom of the connecting hollow column (402). One end of the adjusting support column (403) passes through the circular groove on the anti-settlement lower plate (1). Extending to the bottom of the anti-settlement lower plate (1), the rotating stud (401), the connecting hollow column (402), and the adjusting support column (403) are all provided with reinforcement holes. The inner wall of the reinforcement hole is fixedly installed with a reinforcement hollow column (404). The inside of the reinforcement hollow column (404) is provided with a water suction hole. The inner wall of the water suction hole is fixedly installed with a water-filled stone rod (405). The bottom of the anti-settlement lower plate (1) is fixedly installed with an anti-settlement support column (410). The shock-absorbing middle seat (2) has a placement groove inside, and a water-absorbing stone slab (407) is placed inside the placement groove. The water-absorbing stone slab (407) has a hole inside for the water-absorbing stone rod (405) to move. One end of the water-absorbing stone rod (405) extends into the hole on the water-absorbing stone slab (407). The outer wall of the anti-settlement lower plate (1) and the outer wall of the anti-settlement upper plate (3) are fixedly installed with a dustproof plate (408). The reinforcing steel plate (409) is located inside the dustproof plate (408).

2. The internal waterproof, dustproof, and anti-settlement device for elevator installation according to claim 1, characterized in that: The adjustable support column (403) and the reinforced hollow column (404) have water inlet holes inside. A sealing ring is pasted and fixed on the inner wall of the circular groove on the anti-settlement lower plate (1). The inner wall of the sealing ring is in contact with the inner wall of the connecting hollow column (402) but is not fixed.

3. The internal waterproof, dustproof, and anti-settlement device for elevator installation according to claim 2, characterized in that: The limiting unit (5) also includes a telescopic rod (502), a limiting spring (503), a movable plate (504), and a lever (506). The top of the anti-settlement upper plate (3) is hinged to a maintenance door (501) by a hinge. The maintenance door (501) has a groove inside. The inner wall of the groove is fixedly installed with a limiting spring (503). The front side of the limiting spring (503) is fixedly installed with a movable plate (504). The front side of the movable plate (504) is fixedly installed with a limiting block (505). The top of the movable plate (504) is fixedly installed with a lever (506). The movable plate (504) and the groove on the maintenance door (501) are slidably arranged. The inner wall of the groove is fixedly installed with a telescopic rod (502). The free end of the telescopic rod (502) is fixedly installed with the rear side of the movable plate (504).

4. The internal waterproof, dustproof, and anti-settlement device for elevator installation according to claim 3, characterized in that: The top of the inspection door (501) has an opening for the movement of a lever (506). One end of the lever (506) passes through the opening at the top of the anti-settlement lower plate (1) and extends to the top of the inspection door (501).

5. The internal waterproof, dustproof, and anti-settlement device for elevator installation according to claim 4, characterized in that: The connecting unit (7) further includes a guide vertical plate (702), a sliding connecting sleeve (703), a stabilizing column (704), a stabilizing sleeve (705), a first damping support spring (706), a fixing box (707), a second damping support spring (708), a sliding block (709), and a support rod (710). A mounting side plate (701) is fixedly installed on one side of the dustproof plate (408). A guide vertical plate (702) is fixedly installed on the top and bottom inner sides of the mounting side plate (701). A sliding connecting sleeve (703) is slidably installed on the outer wall of the guide vertical plate (702). A fixing box (707) is fixedly installed on one side of the sliding connecting sleeve (703). A second damping support spring is fixedly installed on the inner wall of one side of the fixing box (707). A sliding block (709) is fixedly installed on one side of the second damping support spring (708), a support rod (710) is fixedly installed on one side of the sliding block (709), a connecting mounting plate (711) is fixedly installed on one side of the support rod (710), a stabilizing sleeve (705) is fixedly installed on the top of the sliding connecting sleeve (703), a first damping support spring (706) is fixedly installed on the top of the inner side of the stabilizing sleeve (705), a stabilizing column (704) is fixedly installed on the top of the inner side of the mounting side plate (701), one end of the stabilizing column (704) extends into the interior of the stabilizing sleeve (705) and is fixedly installed with the top of the first damping support spring (706), and the stabilizing sleeve (705) and the stabilizing column (704) are slidably arranged.

6. The internal waterproof, dustproof, and anti-settlement device for elevator installation according to claim 5, characterized in that: The front and rear sides of the connecting mounting plate (711) are fixedly mounted with a fixing horizontal plate, and the fixing horizontal plate has a mounting hole inside.

7. An internal waterproof, dustproof, and anti-settlement device for elevator installation according to claim 6, characterized in that: The bottoms of both the adjusting support column (403) and the anti-settlement support column (410) are tapered.

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