Footboard and through channel

Abstract

The invention discloses a pedal cab apron and a through channel with the pedal cab apron. The pedal cab apron comprises a cab apron body, a pedal and a connecting rod mechanism, and the connecting rod mechanism is provided with a lock pin connected with the cab apron body. The cab apron is provided with a window corresponding to the lock pin; the cover plate can seal and cover the window in a removable manner; the mounting piece is fixedly connected to the lower surface of the cab apron and is provided with a clamping channel which is communicated with the window and into which the lock pin can extend; the clamping piece is installed in the clamping channel through the window and provided with a shaft clamp which can be inserted into the lower portion of the shaft shoulder part of the lock pin to form a clamping opening after butt joint. An annular working area is formed on the outer wall of the coupling part of the clamping opening and the lock pin, so that the connecting rod mechanism moves conveniently, and the coupling part of the lock pin is linked in the annular working area and is in intermittent contact with the clamping opening to transmit acting force for driving the cab apron to transversely move and deflect. The pedal cab apron does not need to disassemble an inner decorative plate or an inner shed and is convenient to install, and meanwhile installation states are convenient to check when a passenger room is installed.

Description

Technical Field

[0001] The present invention relates to the technical field of rail transit vehicle components, and in particular to a step board and a through passage with the step board. Background Art

[0002] The gangway for rail transit vehicles is located at the connection between two carriages and is used to achieve connection and connection between the two carriages. It is an important dynamic component of rail vehicles. The gangway is generally composed of a mounting frame, a folding shed, a side guard plate, a top plate, a tread plate and other components. The tread plate of the gangway is installed on the plane of the floor cloth at the end of the vehicle to form a safe gangway floor channel. Among them, the three-piece tread plate structure mainly includes a gangway and two pedals. The two pedals are fixedly connected to the two carriages respectively, and a connecting rod mechanism is connected between the two pedals. The gangway is installed on the connecting rod mechanism with a locking mechanism. When the train is running, the gangway must withstand the train passing through horizontal curves, rolling, pitching, height difference and other working conditions. In the above working conditions, the gangway realizes deflection and lateral movement under the drive of the connecting rod, and under the action of the connecting rod mechanism, the gangway is always guaranteed to be located in the middle of the two pedals, thereby ensuring the closure and safety of the floor channel. Since the gangway and the pedal are affected by the vehicle operation conditions and there is relative movement during use, they need to be disassembled and installed regularly for daily maintenance;

[0003] When the traditional three-piece step board structure is disassembled, the locking mechanism needs to be operated on both sides of the board to disassemble the board. Therefore, the side guards on both sides of the folding shed need to be disassembled first, or when there is a folding shed interior (with a folding shed skirt), the folding shed skirt needs to be separated to both sides. Then, two operators extend their hands under the board to operate the locking mechanism, which has the problem of poor installation and disassembly convenience. Moreover, this operation mode is a blind operation, which is not only easy to hurt the hands, but also the locking pin of the locking mechanism on the connecting rod mechanism cannot be seen, and the installation status of the board cannot be effectively visually checked, which has a safety hazard. In addition, during the installation process, because the position status of the locking pin of the locking mechanism and the end mounting hole cannot be observed, it may take multiple alignments to put the locking pin of the locking mechanism into the mounting hole of the board, which seriously affects the installation efficiency.

[0004] In view of the above-mentioned problem of convenient disassembly, the three-piece floor in the prior art also has a structure with convenient installation and disassembly of the ferry plate, such as the ferry plate device for a through passage disclosed in Chinese patent CN113942531B, which includes a ferry plate, a ferry plate connecting rod mechanism and a locking mechanism, and an operation hole is provided in the functional area of ​​the ferry plate; the locking mechanism includes a locking member installed on the ferry plate connecting rod mechanism, a locking member installed on the bottom surface of the ferry plate, and a rotating assembly installed on the bottom surface of the ferry plate, and the rotating operating member of the rotating assembly drives the rotating member to rotate between a first position and a second position; a pulling member is connected between the rotating member and the locking member; an elastic locking member is connected between the locking member and the bottom surface of the ferry plate; when the rotating member rotates to the first position, the locking member engages and locks the locking member under the elastic force provided by the elastic locking member; when the rotating member rotates to the second position, the pulling member pulls the locking member to an unlocked state;

[0005] Although the installation and disassembly operations of the through-channel ferry device are carried out above the ferry, the operation is convenient and does not require the cooperation of multiple people, the locking mechanism still has the disadvantage of blind locking operation. The locking pin cannot be seen, and the locking state of the ferry locking mechanism cannot be visually checked. In addition, under the elastic force of the elastic locking member, the lock box of the locking member and the locking part of the locking member are always in contact in the working state, and the locking member is always subjected to the radial force transmitted by the locking member, which causes abnormal wear of the locking member and shortens the life cycle, thereby causing the ferry device to have a high failure rate and frequent repairs. Summary of the invention

[0006] The purpose of the present invention is to overcome the defects of the prior art and provide a treadle plate to at least solve the problem of abnormal wear of the locking pin due to continuous radial force.

[0007] In order to achieve the above object, the present invention provides the following technical solutions:

[0008] The step board disclosed in the present invention comprises:

[0009] A ferry board, a connecting rod mechanism arranged below the ferry board and connected to the pedal, wherein the connecting rod mechanism is provided with a locking pin connected to the ferry board;

[0010] The bridge plate is provided with a window corresponding to the position of the lock pin; and

[0011] A cover plate capable of covering the window in a removable form; and

[0012] A mounting member, which is fixedly connected to the lower surface of the ferry and is provided with a clamping channel which is communicated with the window and into which the locking pin can extend;

[0013] A card connector, which is installed in the card connection channel through the window, and the card connector has an axis card that can be inserted and connected under the axis shoulder of the lock pin to form a card interface;

[0014] Among them, the outer wall of the coupling part of the card interface and the locking pin forms an annular working area, so that the connecting rod mechanism moves, the coupling part of the locking pin is linked in the annular working area and intermittently contacts the card interface to transmit and drive the ferry plate to move horizontally and deflect.

[0015] Furthermore, the shaft clamp is formed on the locking pin side with a compensation section extending toward the bottom end of the coupling portion, and a clamping section formed at the end of the compensation section and extending toward the coupling portion;

[0016] An arc-shaped notch is provided at the end of the clamping section, so that after the clamping sections of the two shaft clamps are connected, the notch is combined to form the clamping interface, and after the compensation sections are connected, a receiving groove capable of accommodating the shaft shoulder is formed.

[0017] Furthermore, the clamping member also includes a connecting block, the upper portion of which is detachably fixedly connected to the shaft clamp away from the locking pin end via a positioning member, and the lower surface of the connecting block is fixedly connected to the mounting member.

[0018] Furthermore, the mounting member includes a mounting beam extending along the length direction of the ferry plate, the mounting beam is provided with the card connection channel corresponding to the locking pin position, and the mounting beam is formed with a groove structure corresponding to the window position, and the groove structure is connected to the card connection channel.

[0019] Furthermore, the mounting member also includes support beams symmetrically arranged on both sides of the mounting beam, and the support beams are formed with bearing surfaces in contact with the lower surface of the cover plate corresponding to the window position, and the bearing surfaces are fixedly connected to the cover plate via a disassembly structure.

[0020] Furthermore, the disassembly structure includes a connection hole and a connection piece provided on the support beam;

[0021] The cover plate is provided with mounting holes on both sides;

[0022] The connecting piece passes through the mounting hole and the window in sequence and is connected to the connecting hole.

[0023] Furthermore, the support beam is a hollow beam, and an inner beam of the same length is inserted inside the support beam, wherein a first through hole is opened on the upper surface of the support beam, and a second through hole is opened on the lower surface, the inner beam is opened with connecting holes corresponding to the positions of the first through hole and the second through hole, and a process hole is opened at one end of the inner beam.

[0024] Furthermore, one end of the support beam is fixedly connected to the mounting beam, and the other end extends along the width direction of the ferry board and forms a free end at the end, and both sides of the support beam are fixedly connected to the ferry board.

[0025] Furthermore, both ends of the connecting rod mechanism are connected to the pedals, and the pedals are located on the side of the ferry and are connected via hinges to a movable pedal that can be flipped over and can extend under the ferry and overlap the ferry.

[0026] The through passage disclosed in the present invention comprises: the tread plate mentioned above.

[0027] In the above technical solution, the present invention provides a step board and a through passage with the step board, which have the following beneficial effects:

[0028] Compared with the prior art, the step board designed by the present invention has a window at the lock pin position of the connecting rod mechanism corresponding to the step board, and a mounting piece is fixedly connected to the lower part of the step board, and the mounting piece has a clamping channel connected with the window and into which the lock pin can extend, and the clamping piece is installed in the clamping channel through the window, and the two shafts of the clamping piece are connected to form a clamping interface, and the outer wall of the coupling part of the clamping interface and the lock pin forms an annular working area, and the clamping piece and the lock pin are intermittently contacted through the annular working area to transmit the force driving the step board to move transversely to adjust the step board posture, which effectively solves the problem of abnormal wear of the lock pin caused by continuous radial force, and achieves the purpose of extending the service life of the lock pin and reducing the overall failure rate of the step board;

[0029] Secondly, not only can the lock pin be observed through the window, but also the shaft clamp of the card connector is installed in the card connector channel through the window. The entire installation process can be visually operated, and the locking state of the lock pin and the card connector can be intuitively observed above the ferry board, ensuring the successful installation of the ferry board and effectively eliminating safety hazards;

[0030] The through passage designed in the present invention has the above-mentioned tread plate, which has the same beneficial effects as the tread plate, and will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0032] Figure 1 It is an axonometric diagram of the step board disclosed in the present invention;

[0033] Figure 2 It is a front view of the step board disclosed by the present invention;

[0034] Figure 3 It is a partial enlargement of the position of the step board I disclosed in the present invention;

[0035] Figure 4 It is a front view of the step board disclosed in the present invention;

[0036] Figure 5 It is an enlarged view of the position of the ferry board II of the ferry board disclosed in the present invention;

[0037] Figure 6 It is a top view of the ferry board of the step ferry board disclosed by the present invention;

[0038] Figure 7 is an AA cross-sectional view of the treadmill disclosed in the present invention;

[0039] Figure 8 It is a cross-sectional view of another embodiment of the treadmill disclosed in the present invention;

[0040] Fig. 9 It is an axonometric drawing of the axle clamp of the step board disclosed in the present invention;

[0041] Fig.10 The utility model discloses an axonometric diagram of the inner beam of the step board disclosed by the present invention.

[0042] Description of reference numerals:

[0043] 1. ferry board; 11. window; 12. wing board;

[0044] 2. connecting rod mechanism; 21. locking pin; 211. shaft shoulder; 212. coupling part;

[0045] 3. Pedal; 311. Movable pedal;

[0046] 4. Cover plate; 41. Connector;

[0047] 5. Mounting piece; 51. Mounting beam; 511. Groove structure; 512. Clamping channel; 52. Support beam; 521. First through hole; 522. Second through hole; 53. Inner beam; 531. Connecting hole; 532. Process hole; 54. Connecting piece;

[0048] 6. Snap-fit ​​part; 61. Connecting block; 62. Shaft clamp; 621. Compensating section; 622. Snap-fit ​​section; 623. Notch; 63. Annular working area; 64. Accommodating groove; 65. Positioning part; 66. Top block; 67. Connecting part. DETAILED DESCRIPTION

[0049] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0050] See also Figure 1-3 As shown;

[0051] The invention discloses a pedal board, comprising: a pedal board 1, a connecting rod mechanism 2, and a pedal board 3;

[0052] The connecting rod mechanism 2 is arranged below the ferry board 1, the end of the connecting rod mechanism 2 is hinged to the pedal 3 through an axis, and a locking pin 21 connected to the ferry board 1 is installed in the middle of the connecting rod mechanism 2;

[0053] A window 11 is provided on the ferry plate 1 at a position corresponding to the lock pin 21; and

[0054] A cover plate 4, which can cover the window 11 in a removable manner; and

[0055] The mounting member 5 is fixedly connected to the lower surface of the ferry plate 1 and is provided with a clamping channel 512 which is communicated with the window 11 and into which the locking pin 21 can extend;

[0056] The clamping member 6 is installed in the clamping channel 512 through the window 11. The clamping member 6 has an axis clamp 62 that can be inserted and connected below the axis shoulder 211 of the lock pin 21 to form a clamping interface.

[0057] Among them, an annular working area 63 is formed on the outer wall of the coupling part 212 of the card interface and the locking pin 21, so that the connecting rod mechanism 2 moves, the coupling part 212 of the locking pin 21 is linked in the annular working area 63 and intermittently contacts the card interface to transmit the lateral movement and deflection force of the driving ferry 1.

[0058] For details, see Figure 3 As shown, the clamping member 6 has two shaft clamps 62, which are installed in the clamping channel 512 through the window 11. The two shaft clamps 62 are connected to form a clamping interface. The diameter of the clamping interface is smaller than the diameter of the shaft shoulder 211 of the lock pin 21, so as to prevent the clamping member 6 from being separated from the shaft shoulder 211 end of the lock pin 21. The inner wall of the clamping interface and the outer wall of the coupling portion 212 of the lock pin 21 form an annular working area 63.

[0059] In the working state, the connecting rod mechanism 2 is affected by the running condition of the train and generates movement and drives the lock pin 21 to transmit the force in linkage. When the train runs smoothly, the ferry board 1 is in the correct use position and is used. At this time, the coupling part 212 of the lock pin 21 can be linked in the annular working area 63 and does not contact the card interface, thereby reducing the wear between the lock pin 21 and the axle card 62, and extending the service life of the axle card 62 and the lock pin 21. When the train is in harsh working conditions such as horizontal curves, rolls, pitches, and height differences, the connecting rod mechanism 2 follows the movement of the train and contacts the outer wall of the coupling part 212 of the lock pin 21 with the inner wall of the card interface, thereby pushing the ferry board 1 to move horizontally and deflect to adjust its posture, so that it always maintains a safe through-channel floor channel;

[0060] In this structure, the ferry board 1 uses the mounting member 5 to provide a clamping channel 512 for installing the clamping member 6, so that the lock pin 21 is placed in the clamping channel 512, and the clamping interface formed by the shaft clamp 62 of the clamping member 6 and the outer wall of the coupling portion 212 of the lock pin 21 form an annular working area 63, and the clamping member 6 is used to intermittently contact with the lock pin 21 to transmit the force driving the ferry board 1 to adjust the posture of the ferry board 1, which effectively solves the problem of abnormal wear of the lock pin 21 caused by continuous radial force. In addition, the ferry board 1 is provided with a window 11 at the position corresponding to the lock pin 21, through which not only the lock pin 21 can be observed, but also the shaft clamp 62 of the clamping member 6 is installed in the clamping channel 512 through the window 11, and the locking state of the lock pin 21 and the clamping member 6 can be visually observed above the ferry board 1, ensuring that the ferry board 1 is successfully installed and eliminating safety hazards;

[0061] See also Figure 3 As shown:

[0062] The clamping member 6 is designed for redundancy to meet various working conditions during train operation. The axle clamp 62 is located on the side of the lock pin 21 and is formed with a compensation section 621 extending toward the bottom end of the coupling portion 212, and a clamping section 622 formed at the end of the compensation section 621 and extending toward the coupling portion 212. The end of the clamping section 622 is provided with a notch 623 (such as Fig. 9 As shown), the notch portion 623 of the two shaft clamps 62 is surrounded by a clamping interface after the clamping sections 622 are docked, and the compensation section 621 is docked to form a receiving groove 64 capable of accommodating the shaft shoulder portion 211, so as to avoid mechanical interference between the peripheral shoulder portion 211 and the shaft clamp 62 during movement. During operation, the shaft shoulder portion 211 can be close to the upper surface of the clamping section 622 or protrude from the upper surface of the shaft clamp 62, that is, the connecting rod mechanism 2 drives the locking pin 21 to float up and down.

[0063] See also Figure 4-7 As shown:

[0064] The clamping member 6 also includes a connecting block 61. The upper portion of the connecting block 61 is detachably fixedly connected to the end of the shaft clamp 62 away from the locking pin 21 through a positioning member 65. The lower surface of the connecting block 61 is fixedly connected to the mounting member 5. Figure 3As shown, during maintenance, the positioning piece 65 between the connecting block 61 and the shaft clamp 62 is removed, the connecting block 61 and the shaft clamp 62 are disassembled, the shaft clamp 62 is removed separately and the shaft clamp 62 is taken out through the window 11 of the ferry plate 1 to unlock the lock pin 21, which not only realizes the separation of the connecting rod mechanism 2 from the ferry plate 1 and the smooth disassembly of the ferry plate 1, but also the shaft clamp 62 is the smallest replaceable unit, and the shaft clamp 62 can be replaced separately when damaged. In this structure, the positioning piece 65 is a hexagon socket cylindrical head screw in the prior art, the connecting block 61 is provided with a threaded hole threadedly connected to the screw, and the rear end of the shaft clamp 62 is provided with a through hole through which the screw can pass, wherein a threaded hole is provided at the bottom of the connecting block 61, and the threaded hole is fixedly connected to the mounting member 5 through a connecting piece 67 so that it can be detachably assembled, and the connecting block 61 can be pre-assembled on the mounting member 5, and the connecting piece 67 is a hexagon socket countersunk screw.

[0065] See also Figure 8 As shown, another preferred embodiment is basically the same as the above embodiment, except that the clamping member 6 also includes a top block 66, the upper part of the connecting block 61 abuts against the lower surface of the end of the shaft clamp 62 away from the locking pin 21, the cover plate 4 is fixedly connected to the mounting member 5, one end of the top block 66 abuts against the upper surface of the shaft clamp 62, and the other end abuts against the cover plate 4, so that the shaft clamp 62 is fixed to the upper surface of the connecting block 61 by the top block 66, so that the shaft clamp 62 and the connecting block 61 can be disassembled while the cover plate 4 is removed.

[0066] See also Figure 3 As shown:

[0067] The mounting member 5 includes a mounting beam 51 extending along the length direction of the ferry 1. The mounting beam 51 is provided with a clamping channel 512 at a position corresponding to the locking pin 21. A groove structure 511 is formed in the horizontal projection coverage area of ​​the mounting beam 51 corresponding to the window 11. The clamping member 6 is installed through the groove structure 511. Figure 7 As shown, the mounting beam 51 is a hollow beam with a U-shaped or square cross-section. In order to lighten the ferry board 1, the mounting beam 51 is preferably a U-shaped hollow beam. The top of the U-shaped hollow beam is fixedly connected to the lower surface of the ferry board 1 by a welding process. The mounting beam 51 forms a groove structure 511 at the position of the window 11. The bottom wall of the groove structure 511 is provided with a clamping channel 512 so that the locking pin 21 can penetrate into the groove structure 511 and clamp with the clamping member 6.

[0068] See also Figure 7 As shown:

[0069] The mounting member 5 also includes support beams 52 symmetrically arranged on both sides of the mounting beam 51. The support beams 52 are formed with a bearing surface in contact with the lower surface of the cover plate 4 at the position corresponding to the window 11, and the bearing surface is fixedly connected to the cover plate 4 through a disassembly structure. In this structure, the mounting member 5 provides a mounting interface for the cover plate 4 through the support beams 52. The support beams 52 are in contact with the lower surface of the cover plate 4 through the bearing surface and are fixedly connected to the cover plate 4 through the disassembly structure, thereby ensuring the reliability of the installation of the cover plate 4. Moreover, the cover plate 4 is supported by the support beams 52 so that the upper surface of the cover plate 4 is coplanar with the upper surface of the ferry 1, thereby preventing the protrusion of the cover plate 4 from tripping people passing through the through passage and affecting the appearance. The structure of the cover plate 4 is adapted to the shape of the window 11. The shape of the window 11 can be rhombus, square, round, triangle, etc. The contour of the cover plate 4 is adapted to the shape of the window 11;

[0070] See also Figure 7 As shown:

[0071] Preferably, the disassembly structure includes a connecting hole 531 opened on the support beam 52, and a connecting member 41. Mounting holes are opened on both sides of the cover plate 4. The connecting member 41 passes through the mounting hole and the window 11 in sequence and is connected to the connecting hole 531, so that the cover plate 4 is fixedly connected to the support beam 52 to prevent the cover plate 4 from being lost during use. The connecting member 41 is a hexagon socket countersunk screw, and the connecting hole 531 is a threaded hole.

[0072] See also Figure 7 As shown:

[0073] The support beam 52 is a hollow beam, specifically a hollow square beam, and an inner beam 53 of the same length is inserted inside the support beam 52, wherein the upper surface of the support beam 52 is provided with a first through hole 521, and the lower surface is provided with a second through hole 522, and the inner beam 53 is provided with a connecting hole 531 corresponding to the first through hole 521 and the second through hole 522, and one end of the inner beam 53 is provided with a process hole 532 (such as Fig.10 As shown in the figure, the process hole 532 is a threaded hole, which is threadedly connected with a bolt, so that the inner beam 53 can be easily taken out from the support beam 52, and the inner beam 53 can be replaced in time. The inner beam 53 is the smallest detachable unit, and a connection hole 531 is provided on the inner beam 53 to provide a mounting interface for the cover plate 4, so as to avoid the problem that after the mounting interface of the cover plate 4 is damaged, it cannot be easily repaired on site, resulting in the problem of returning to the factory for cutting and replacement to increase the cost;

[0074] During assembly, the inner beam 53 is first assembled in the support beam 52, and the connecting piece 54 passes through the second through hole 522 of the support beam 52 to connect with the connecting hole 531 at the lower part of the inner beam 53. When the cover plate 4 is installed, the connecting piece 41 passes through the first through hole 521 to connect with the connecting hole 531 on the upper surface of the inner beam 53, so that the cover plate 4 is fixed on the inner beam 53. It should be noted that the connecting piece 54 is a hexagon socket countersunk screw. When the inner beam 53 needs to be replaced, the inner beam 53 is of the same length as the support beam 52. A bolt matching the process hole 532 at the end of the inner beam 53 is screwed into the process hole 532 and the inner beam 53 is pulled out to achieve replacement.

[0075] Of course, the disassembly structure can also be a magnet. A magnet is fixedly connected to the bearing surface of the support beam 52, and the cover plate 4 is fixed by adsorption of the magnet. The structure is simple and easy to disassemble and assemble. It should be noted that when the disassembly structure is a magnet, the connecting block 61 of the clamp 6 and the shaft clamp 62 are fixedly connected by a hexagon socket head screw.

[0076] See also Figure 7 As shown:

[0077] One end of the support beam 52 is fixedly connected to the mounting beam 51, and the other end extends along the width direction of the ferry board 1 and forms a free end at the end. Both sides of the support beam 52 are fixedly connected to the ferry board 1. In this structure, the support beam 52, the mounting beam 51 and the ferry board 1 are fixedly connected by welding. The fixed connection of one end of the support beam 52 to the mounting beam 51 not only makes the support beam 52 rooted on the mounting beam 51 to ensure the support reliability, but also the mounting beam 51 is fixedly connected to the ferry board 1 through the support beam 52, which effectively improves the connection strength between the mounting member 5 and the ferry board 1, and also improves the overall structural strength of the ferry board 1, which is conducive to extending the service life of the ferry board 1.

[0078] See also Figure 1 As shown:

[0079] Both ends of the connecting rod mechanism 2 are connected with pedals 3 through shafts. The pedal 3 is located on the side of the ferry board 1 and is connected with a movable pedal 31 that can be flipped and extended under the ferry board 1 through a hinge. The movable pedal 31 is overlapped with the ferry board 1, and both ends of the ferry board are hinged with flippable wing plates 12 through hinges.

[0080] The invention discloses a through passage, comprising: a mounting frame, a folding shed, a side guard plate, a top plate and the above-mentioned step board. The through passage is connected between two carriages through the folding shed to form a sealed passage. The lower part of the folding shed and the bottom plate of the vehicle end are flatly installed with the step board to form a through passage floor passage.

[0081] In the above technical solution, the step board and the step board installation method provided by the present invention are as follows:

[0082] Step 1: Prepare the ferry board 1, loosen the hexagon socket countersunk screws on both sides of the middle cover plate 4 of the ferry board 1, remove the two cover plates 4, loosen the hexagon socket cylindrical head screws on the shaft clamps 62, and take out the four shaft clamps 62 for standby use;

[0083] Step 2: Insert one side of the ferry board 1 obliquely into the lower part of the inner folding shed decorative skirt, leaning towards one end to facilitate the other end to be gradually leveled, push aside the decorative skirt at the bottom of the inner folding shed, and lay the ferry board 1 flat in the middle of the two pedals 3;

[0084] Step 3: Observe the position of the engaging channel 512 and the locking pin 21 on the lower mounting beam 21 through the window 11 on the ferry 1 , and adjust and position the locking pin 21 at the center of the engaging channel 512 .

[0085] Step 4: Install the previously removed shaft clamp 62 into the groove structure 511 of the mounting beam 51 and fix it to the connecting block 61 of the clamping member 6 through a hexagon socket head screw, a spring washer and a flat washer. At this time, the clamping section 622 of the shaft clamp 62 extends into the lower part of the peripheral shoulder 211 of the locking pin 21, the two shaft clamps 62 are butted, and the notch 623 forms a clamping interface. When the locking pin 21 transmits the force, the coupling portion 212 of the locking pin 21 intermittently contacts the shaft clamp 62 in the annular working area 63 of the clamping interface to transmit the force.

[0086] Step 5: Put the cover 4 back into the window 11 and fasten it with the hexagon socket countersunk screws. The installation is complete.

[0087] The tread plate provided by the present invention has a disassembly method which is the reverse process of the installation method and will not be described in detail here.

[0088] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. Step board, including: A ferry board (1), a connecting rod mechanism (2) arranged below the ferry board (1) and connected to a pedal (3), wherein the connecting rod mechanism (2) is provided with a locking pin (21) connected to the ferry board (1), It is characterized by: The ferry plate (1) is provided with a window (11) at a position corresponding to the lock pin (21); and A cover plate (4) capable of covering the window (11) in a removable form; and A mounting member (5) fixedly connected to the lower surface of the ferry (1) and provided with a clamping channel (512) communicating with the window (11) and into which the locking pin (21) can extend; A clamping member (6) is installed in the clamping channel (512) through the window (11), and the clamping member (6) has an axis clamp (62) that can be inserted and connected below the axis shoulder (211) of the locking pin (21) to form a clamping interface; The card interface and the outer wall of the coupling portion (212) of the locking pin (21) form an annular working area (63), so that when the connecting rod mechanism (2) moves, the coupling portion (212) of the locking pin (21) is linked in the annular working area (63) and intermittently contacts the card interface to transmit and drive the ferry (1) to move laterally and deflect.

2. The step board according to claim 1, characterized in that ； The shaft clamp (62) is located on the side of the lock pin (21) and is formed with a compensation section (621) extending toward the bottom end of the coupling portion (212), and a clamping section (622) formed at the end of the compensation section (621) and extending toward the coupling portion (212); A notch portion (623) with an arc-shaped structure is provided at the end of the clamping section (622), so that after the clamping sections (622) of the two shaft clamps (62) are docked, the notch portions (623) are combined to form the clamping interface, and after the compensation sections (621) are docked, a receiving groove (64) capable of accommodating the shaft shoulder portion (211) is formed.

3. The step board according to claim 2, characterized in that: The clamping member (6) further comprises a connecting block (61), the upper portion of which is detachably fixedly connected to the end of the shaft clamp (62) away from the locking pin (21) via a positioning member (65), and the lower surface of the connecting block (61) is fixedly connected to the mounting member (5).

4. The step board according to claim 1, characterized in that: The mounting member (5) comprises a mounting beam (51) extending along the length direction of the ferry (1); the mounting beam (51) is provided with the clamping channel (512) at a position corresponding to the locking pin (21); and the mounting beam (51) is formed with a groove structure (511) at a position corresponding to the window (11); the groove structure (511) and the clamping channel (512) are in communication.

5. The step board according to claim 4, characterized in that: The mounting member (5) further comprises support beams (52) symmetrically arranged on both sides of the mounting beam (51); the support beams (52) are provided with bearing surfaces in contact with the lower surface of the cover plate (4) at positions corresponding to the windows (11); the bearing surfaces are fixedly connected to the cover plate (4) via a disassembly structure.

6. The step board according to claim 5, characterized in that ； The disassembly structure comprises a connection hole (531) provided on the support beam (52), and a connection member (41); The cover plate (4) is provided with mounting holes on both sides; The connecting piece (41) passes through the mounting hole and the window (11) in sequence and is connected to the connecting hole (531).

7. The step board according to claim 6, characterized in that: The support beam (52) is a hollow beam, and an inner beam (53) of the same length as the support beam (52) is inserted inside the support beam (52), wherein the upper surface of the support beam (52) is provided with a first through hole (521), and the lower surface is provided with a second through hole (522), the inner beam (53) is provided with the connecting hole (531) at the position corresponding to the first through hole (521) and the second through hole (522), and one end of the inner beam (53) is provided with a process hole (532).

8. The step board according to claim 5, characterized in that: One end of the support beam (52) is fixedly connected to the mounting beam (51), and the other end extends along the width direction of the ferry board (1) and forms a free end at the end. Both sides of the support beam (52) are fixedly connected to the ferry board (1).

9. The step board according to claim 1, It is characterized by: Both ends of the connecting rod mechanism (2) are connected to the pedal (3), and the pedal (3) is located on the side of the ferry (1) and is connected to a movable pedal (31) through a hinge, which can be turned over and can extend under the ferry (1) and overlap the ferry (1).

10. A through passage, characterized in that: include: The tread plate according to any one of claims 1 to 9.

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