WO2019090864A1

WO2019090864A1 - Hydraulic telescopic rod structure of floor plate

Info

Publication number: WO2019090864A1
Application number: PCT/CN2017/113123
Authority: WO
Inventors: 吴事锦; 朱栋; 徐斌; 刘红
Original assignee: 康力电梯股份有限公司
Priority date: 2017-11-10
Filing date: 2017-11-27
Publication date: 2019-05-16
Also published as: CN107673285A

Abstract

A hydraulic telescopic rod structure of a floor plate, pertaining to the technical field of escalators. The structure has a floor plate (1). A truss (3) used for fixing the floor plate is disposed below the floor plate. Mounting supports (4) are disposed on the truss. A rotating shaft (5) is disposed on each mounting support. A hydraulic telescopic rod (6) is connected to the mounting support. A fixing support (8) connected to the hydraulic telescopic rod is provided on the floor plate. Fixing bolts (31) are detachably connected to the floor plate. A fixing plate (2) is fixedly connected to the truss via a hinge connection at one side of the floor plate. A limit switch (10) is disposed between the fixing bolts. The hydraulic telescopic rod has a hydraulic cylinder (11) connected to a control system (12). The hydraulic telescopic rod will slowly push the floor plate upwards automatically after screws on the floor plate are removed, such that a worker can directly enter a machine room to perform maintenance without needing to move a heavy floor plate. The limit switch prevents the telescopic rod from being activated when the floor plate is closed.

Description

Hydraulic telescopic rod structure of floor board

Technical field

The invention relates to a hydraulic telescopic rod structure of a floor panel, belonging to the technical field of escalators.

Background technique

The floor board of the escalator covers the upper part of the upper and lower machine room. Before the maintenance, it is necessary to open the floor board and enter the machine room. The heavy floor board is used to consume a lot of physical strength of the maintenance personnel. In order to improve the efficiency of maintenance and reduce the labor intensity of maintenance personnel, it is necessary to redesign the switch structure of the floor panel.

Summary of the invention

The technical problem to be solved by the present invention is to provide a hydraulic telescopic rod structure for a floor panel which improves the maintenance efficiency of the equipment in the equipment room and saves manpower.

In view of the above technical problems, the present invention relates to a hydraulic telescopic rod structure for a floor panel, which has a floor panel, and a truss for fixing the floor panel is disposed under the floor panel, and a mounting bracket is arranged on the truss, and a rotation is arranged on the mounting bracket. A shaft, a hydraulic telescopic rod is connected to the mounting bracket, and a fixing bracket for connecting the hydraulic telescopic rod is arranged on the floor panel, and a fixing bolt for fixing the floor panel to the truss is detachably connected to the floor panel at the floor. One side of the board is connected with a fixing plate fixedly connected to the truss by a hinge, and a limit switch for connecting the floor board and the truss is further arranged between the fixing bolts, the hydraulic telescopic rod has a hydraulic cylinder, and the hydraulic cylinder is connected with the limit position. Switching communication control system.

By adopting the limit switch provided by the invention, the spring rod is not used, and the problem that the spring rod fails after a long time of use does not occur. Moreover, the technology of the limit switch is quite mature, and there are many known limit switches available on the market, and the reliability is high.

Preferably, the floor panel is provided with a fixing hole for fixing the floor panel to the truss by means of a fixing bolt, and the number of the fixing holes is two, corresponding to the lower truss, and corresponding connecting holes are also formed on the truss. The fixing bolt is detachably fixed to the truss through the fixing hole and the connecting hole.

Preferably, the fixing bracket is disposed at the bottom of the floor panel, and the fixing bracket is provided with a connecting shaft for connecting the telescopic rod. The hydraulic telescopic rod rotates along the fixing bracket during the telescopic process, and the hydraulic telescopic rod is oppositely adjusted by the rotation during the telescopic process. The angle of the board.

Preferably, the fixing plate is fixed on the truss by bolts, and the left side of the fixing plate fixes the floor panel by a hinge. During the process of stretching, the floor panel rotates along the hinge axis of the hinge to realize the adjustment of the position of the floor panel, which is convenient and quick, and reduces the maintenance. The intensity of the work of the staff,

Preferably, the limit switch comprises a switch body and a switch insert that cooperate with each other, one of the switch body and the switch insert is disposed on a back side of the floor panel, and the other is disposed on the upper part of the truss, the switch One of the main body and the switch insert is connected to the control system, and the hydraulic cylinder is controlled by the control system when the switch main body and the switch insert are separated, and the hydraulic telescopic rod starts to move, and the floor panel is jacked up.

Preferably, the switch block is provided with a guiding block, and correspondingly, the switch body is provided with a guiding groove that cooperates with the guiding block.

Preferably, the limit switch is a mechanical contact switch.

Preferably, the limit switch is a non-contact switch.

Compared with the prior art, the invention has the advantages that: only need to screw off the screws on the floor board, the hydraulic telescopic rod will automatically lift the floor board slowly, and the maintenance personnel can directly enter the machine room to maintain the protection. When working with heavy floor panels, the use of limit switches prevents the telescopic rods from starting when the floor panels are closed.

DRAWINGS

The invention will now be further described with reference to the accompanying drawings.

Figure 1 is a schematic structural view of a floor panel closed state;

2 is a schematic structural view of a floor panel open state;

Figure 3 is an enlarged structural view of the limit switch;

Figure 4 is a schematic view of the floor panel structure;

Figure 5 is a schematic diagram of the connection structure of the control system.

In the figure: 1, floor board; 2, fixed board; 3, truss; 31, fixing bolts; 32, fixing holes; 4, mounting brackets; 5, rotating shaft; 6, hydraulic telescopic rod; 8, fixed bracket; Connecting shaft; 10, limit switch; 101, switch body; 1011, guiding groove; 102, switch insert; 1021, guiding block; 11, hydraulic cylinder;

Detailed ways

The invention relates to a hydraulic telescopic rod structure of a floor panel, as shown in FIG. 1, FIG. 2, FIG. 3, FIG. 4 and FIG. 5, comprising a floor panel 1 and a fixing plate 2 connected to the right side of the floor panel 1 by a hinge. And a truss 3 for fixing the floor panel 1 and the fixing panel 2, and the floor panel 1 is provided with fixing bolts 31 for connecting the floor panel 1 and the truss 3, and the floor panel 1 is provided with a fixing for the fixing bolt 31 The number of the holes 32 and the fixing holes 32 is two, symmetrically disposed on the side of the back surface of the floor panel 1 away from the fixing plate 2, and the fixing bracket 8 and the limit switch 10 are disposed on the back surface of the floor panel 1, and the fixing bracket 8 passes through The connecting shaft 9 is connected to a hydraulic telescopic rod 6 to which a mounting bracket 4 having a rotating shaft 5 is attached, and the mounting brackets 4 are all disposed on the truss 3, and the hydraulic telescopic rod 6 further has a hydraulic cylinder 11.

Preferably, as shown in FIGS. 1 and 2, the fixing bracket 8 is disposed at the bottom of the floor panel 1, and the fixing bracket 8 is provided with a connecting shaft 9 for connecting the hydraulic telescopic rod 6, and the hydraulic telescopic rod 6 is fixed along the process of expansion and contraction. The connecting shaft 9 on the bracket rotates, and the angle of the hydraulic telescopic rod 6 relative to the floor panel 1 is automatically adjusted by rotation during the telescopic process.

Preferably, as shown in FIG. 1 and FIG. 2, the fixing plate 2 is fixed on the truss 3 by bolts, and the left side of the fixing plate 2 is fixed to the floor panel 1 by a hinge, and the floor panel 1 is rotated along the hinge axis of the hinge during the expansion and contraction process. The adjustment of the position of the floor panel 1 is convenient and quick, and the work intensity of the maintenance personnel is reduced.

Preferably, the limit switch 10 shown in FIG. 1 , FIG. 2 and FIG. 3 includes a switch main body that cooperates with each other. The body 101 and the switch insert block 102, one of the switch main body 101 and the switch insert block 102 are disposed on the back surface of the floor panel 1, and the other is disposed on the upper portion of the truss 3, and one of the switch main body 101 and the switch insert block 102 is connected. On the control system 12, when the switch main body 101 and the switch insert block 102 are separated, the hydraulic cylinder 11 is controlled by the control system 12, the hydraulic telescopic rod 6 starts to operate, and the floor panel 1 is jacked up, and the switch block 102 is provided with a guide block 1021. Correspondingly, the switch body 101 is provided with a guiding groove 1011 that cooperates with the guiding block 1021.

In the maintenance process, the fixing bolt 31 fixed between the floor panel 1 and the truss 3 is first fixed, and then a corner of the floor panel 1 is manually lifted, and the switch body 101 and the switch insert block 102 of the limit switch 10 are separated from each other, and the limit is limited. The switch 10 sends a signal to the control system 12, and the control system 12 controls the movement of the hydraulic cylinder 11 in the first telescopic rod 6 and the second telescopic rod 7, and drives the first telescopic rod 6 to move the floor panel 1 along the hinge axis of the hinge until When the floor panel 1 is completely jacked up, the maintenance personnel can enter the machine room to maintain the escalator. After the maintenance is completed, the hydraulic cylinder 11 is gradually stopped by the control system 12, and the floor panel 1 is slowly dropped until reset, and then the fixing bolt 32 is used. Tightening the floor panel 1.

It should be emphasized that the above description and description of the present invention are not intended to limit the present invention in any way, and any simple modifications, equivalent changes and modifications to the above embodiments in accordance with the technical spirit of the present invention, All still fall within the scope of the technical solution of the present invention.

Claims

A hydraulic telescopic rod structure of a floor panel, having a floor panel (1), characterized in that: below the floor panel (1), a truss (3) for fixing the floor panel (1) is provided, the truss (3) A mounting bracket (4) is disposed thereon, and a rotating shaft (5) is disposed on the mounting bracket (4), and a hydraulic telescopic rod (6) is connected to the mounting bracket (4) on the floor panel (1) There is a fixing bracket (8) for connecting the hydraulic telescopic rod (6), and a fixing bolt for fixing the floor panel (1) to the truss (3) is detachably connected to the floor panel (1) ( 31), on one side of the floor panel (1), a fixing plate (2) fixedly connected to the truss (3) is connected by a hinge, and a fixing floor plate (31) is further provided for connecting the floor panel (1) And a limit switch (10) of the truss (3), the hydraulic telescopic rod (6) hydraulic cylinder (11), and the hydraulic cylinder (11) is connected with a control system that communicates with the limit switch (10) ( 12).
The hydraulic telescopic rod structure of a floor panel according to claim 1, characterized in that: the floor panel (1) is provided with a fixing bolt (31) for fixing the floor panel (1) to the truss (3). Fixed hole (32).
The hydraulic telescopic rod structure of a floor panel according to claim 1, wherein the fixing bracket (8) is disposed at a bottom of the floor panel (1), and the fixing bracket (8) is provided with a telescopic rod (6) Connect the shaft (9).
A hydraulic telescopic rod structure for a floor panel according to claim 1, characterized in that the fixing plate (2) is fixed to the truss (3) by bolts.
A hydraulic telescopic rod structure for a floor panel according to claim 1, wherein said limit switch (10) includes a switch body (101) and a switch insert block (102) that cooperate with each other, said switch body (101) One of the switch inserts (102) is disposed on the back of the floor panel (1), and the other is disposed on the upper portion of the truss (3).
A hydraulic telescopic rod structure for a floor panel according to claim 5, wherein said opening A guide block (1021) is disposed on the switch block (102), and a corresponding guide groove (1011) that cooperates with the guide block (1021) is disposed on the switch body (101).
The hydraulic telescopic rod structure of a floor panel according to claim 1, wherein the limit switch (10) is a mechanical contact switch.
The hydraulic telescopic rod structure of a floor panel according to claim 1, wherein the limit switch (10) is a non-contact switch.