CN115649213A - Train clamps loads and unloads platform convenient to it is fixed - Google Patents

Abstract

The invention discloses a train clamping and unloading platform convenient to fix, which comprises a fixing plate, wherein a platform plate is arranged at the top of the inner side of the fixing plate, the platform plate and the fixing plate form an up-and-down sliding structure, anti-skid grains are fixedly arranged at the top of the platform plate, a guide plate is arranged at the left end of the platform plate, and a clamping piece is arranged at the right end of the platform plate; the support rods are arranged at the bottom of the platform plate and fixedly connected with the bottom of the platform plate, the support rods are of telescopic structures, and three groups of support rods are arranged; the fixing block is fixed on the ground, and the fixing block is correspondingly arranged between the supporting rods. This train clamps platform of unloading convenient to it is fixed when the platform board surface is walked goods and is carried out the loading and unloading of goods, to the pressure of platform board when removing through equipment, drives the centre gripping of limiting plate to the fixed block to strengthen the goods loading and unloading in-process, whole loading and unloading platform's stability.

Description

A convenient fixed train card loading and unloading platform

technical field

The invention relates to the technical field of loading and unloading platforms, in particular to a conveniently fixed train card loading and unloading platform.

Background technique

When loading and unloading goods on train cards, it is usually necessary to use material handling equipment to load and unload bagged materials. This method not only has the characteristics of reliable grasping, flexible movement and neat placement, but also can reduce the loading and unloading intensity, thereby liberating manpower and making The production cost is reduced, thereby improving the loading and unloading efficiency, which has gradually become the main development trend of loading and unloading materials in my country's material handling industry, but the loading and unloading mechanical devices must use the loading and unloading auxiliary platform to enter and exit the train carriage;

For example, a mobile material loading and unloading auxiliary platform whose publication number is CN108033392B does not need an external power source, and only needs a single operation to realize the lifting work of the platform; The lifting working range of the platform; the use of four spiral legs of the mobile material handling auxiliary platform can not only adjust the position of the casters, but also increase the stability during work; the main mechanism plate of the mobile material handling auxiliary platform adopts steel bars Anti-slip, can improve the climbing performance of handling equipment;

However, in the actual use of the above-mentioned loading and unloading platform, because the loading and unloading platform is mobile, although the position of its casters can be adjusted, the loading and unloading equipment will inevitably squeeze the loading and unloading platform during the moving process, and the movable loading and unloading platform is stable. The performance is poor, and it may slide with the ground, resulting in dislocation and movement of the loading and unloading platform, affecting the normal movement of the loading and unloading equipment, and there are certain defects;

Another example is a kind of assembled train loading and unloading platform whose publication number is CN206888614U. Its ring beam adopts a light steel structure, and the steel consumption is less, and the construction period is short. The utility model adopts modular prefabrication, segmented assembly structure, high integration of equipment and pipeline installation, safe and fast construction, controllable and reliable quality. In the utility model, each module is prefabricated and assembled one by one in the factory, and after the pre-assembly is simulated on-site, the utility model is disassembled, transported to the construction site, and then each module is assembled and connected, and the modules are connected by bolts. On-site hot-fire welding ensures efficient and safe construction. The pipe racks, pipes and lighting threading pipes of the utility model are all laid under the ring beam, which can be well protected;

The above-mentioned loading and unloading platform adopts a fixed structure, but the loading and unloading platform of the fixed structure is not convenient for subsequent maintenance. At the same time, after the subsequent loading and unloading work is completed, the loading and unloading platform cannot be moved, so that when loading and unloading goods later, it can only go to a fixed location Carry out the loading and unloading of goods, use flexibility is relatively poor, not practical enough.

Therefore, we propose a convenient fixed train card loading and unloading platform, so as to solve the problems mentioned above.

Contents of the invention

The object of the present invention is to provide a kind of train card loading and unloading platform that is easy to fix, to solve the above-mentioned background technology, because the loading and unloading platform is mobile, although the position of its casters can be adjusted, the loading and unloading equipment will inevitably affect the loading and unloading during the moving process. The platform is squeezed, and the stability of the movable loading and unloading platform is poor, and it may slide with the ground, resulting in the dislocation of the loading and unloading platform and affecting the normal movement of the loading and unloading equipment.

In order to achieve the above object, the present invention provides the following technical solutions: a conveniently fixed train card loading and unloading platform, including a fixed plate, the inner top of the fixed plate is provided with a platform plate, and the platform plate and the fixed plate form an up and down sliding structure, The top of the platform board is fixedly equipped with anti-skid lines, and the left end of the platform board is provided with a guide plate, and the right end of the platform board is provided with a clamping piece;

Also includes:

The support rods are arranged at the bottom of the platform board, the support rods are fixedly connected to the bottom of the platform board, and the support rods are telescopic structures, the support rods are provided with three groups, and the diameter of the middle support rods is larger than the diameter of the support rods on both sides;

The fixed block is fixed on the ground, and the fixed block is correspondingly arranged between the support rods in the middle, the bottom of the platform board is fixedly connected with the fixed rod, and the left and right side walls of the fixed rod are meshed with the main gear , the side gear of the main gear away from the fixed rod is meshed with a side gear;

The main gear is connected with the inner wall bearings of the support rods at the front and rear ends through shaft rods, and the inner wall bearings of the support rods are connected with a rotating shaft, and the rotating shaft is fixedly connected with the side gears.

Preferably, the outer walls on both sides of the platform board are fixedly connected with sliders, and the inner wall of the fixed plate is provided with a chute, and the slider and the chute correspond to form an up and down sliding structure, and the top view of the slider and the chute All are "T" shaped structures.

By adopting the above technical solution, the slider chute of the "T" shape structure can be set, which can enhance the stability of the platform plate during the sliding process up and down.

Preferably, the front and rear sides of the rotating shaft are fixedly connected with fixed sleeves, the bottom of the fixed sleeve is fixedly connected with a connecting rod, the bottom of the connecting rod is fixedly connected with a limiting plate, and the inner wall of the limiting plate is fixed A clamping pad made of rubber is connected, and the inner wall of the limiting plate is attached to the outer wall of the fixed block.

By adopting the above technical solution, the rotation of the rotating shaft drives the movement of the limiting plate, so that the limiting plate and the fixed block are clamped, so that a gripping force is formed between the limiting plate and the fixed block.

Preferably, the bottom of the fixed rod is provided with a mounting rod, the front and rear ends of the mounting rod are fixedly connected to the inner wall of the support rod, the mounting rod is slidably connected to a pressure plate, and the bottom of the pressure plate Fitted with the top of the fixed block, and the bottom of the pressing plate is also fixedly installed with a rubber pad.

Preferably, the movable shafts on both sides of the bottom of the fixed rod are connected to connecting rods, and the end of the connecting rod far away from the fixed rod is connected to the movable shaft of the inner side wall of the pressing plate, and a return spring is sleeved on the mounting rod , the two ends of the return spring are respectively fixedly connected with the inner wall of the support rod and the outer wall of the pressing plate.

By adopting the above technical solution, the up and down movement of the fixed rod can squeeze the connection, so that the connecting rod expands, thereby driving the pressing plate to move on the top of the fixed block, so as to improve the stability of the fixed rod during the up and down movement.

Preferably, the clamping piece has a "匚"-shaped structure, and the clamping piece is correspondingly clamped with the train card. A clamping plate is provided on the inner bottom of the clamping piece, and the top of the clamping plate is sleeved There are rubber pads and the top of the clamping plate fits the bottom of the train card.

By adopting the above technical scheme, the clamping plate is used to clamp and limit the train card clamped inside the clip joint, so that the loading and unloading platform can be stably connected with the train card during the loading and unloading process, further improving the stability of the connection sex.

Preferably, a movable rod is fixedly connected to the center of the bottom of the clamping plate, the movable rod passes through the clamping piece, and the bottom of the movable rod is fixedly connected to a crossbar, and the movable shaft at the left end of the crossbar is connected to a vertical rod , the top of the vertical bar is fixedly connected to the bottom of the platform board.

By adopting the above technical scheme, when the goods pass through the platform board, the platform board is squeezed, the platform board is lowered, and the support rod is moved down, thereby squeezing the installation rod, so that the movable rod is moved up, and the clamping plate is driven It fits with the train card, so that the clamping piece can be stably connected with the train card during the loading and unloading process of the loading and unloading platform, which further improves the stability of the connection between the loading and unloading platform and the train card.

Preferably, the bottom of the platform board is provided with a reinforcing plate, the top of the reinforcing plate is provided with a card slot, the bottom of the platform board is fixedly connected with a card block, and the card block and the card slot correspond to form an engaging structure, And the bottom of the platform plate is connected with the top of the reinforcement plate through a compression spring;

By adopting the above technical solution, the effect of the compression spring can improve the cushioning force of the platform plate during the process of loading and unloading goods.

Preferably, a stabilizing layer is provided inside the reinforcing plate, a stabilizing plate is provided inside the stabilizing layer, the upper and lower ends of the stabilizing plate are fixedly connected with the inner wall of the reinforcing plate, and a honeycomb structure is formed between the stabilizing plates .

By adopting the above technical solutions, the honeycomb structure has strong stability, thereby enhancing the structural strength of the platform plate. At the same time, the interior of the honeycomb structure is hollowed out, which can not only reduce materials, save costs, but also reduce the weight of the loading and unloading platform, which is convenient Subsequent handling.

Compared with the prior art, the beneficial effect of the present invention is: the conveniently fixed train card loading and unloading platform, when loading and unloading goods on the surface of the platform plate, the pressure on the platform plate when the equipment moves drives the limit plate Clamp the fixed block to enhance the stability of the entire loading and unloading platform during the cargo loading and unloading process. The specific content is as follows:

(1) The train card loading and unloading platform that is easy to fix is equipped with a limit plate. During the loading and unloading process, the loading and unloading equipment moves on the platform plate, and the platform plate is squeezed by the gravity of the cargo and the loading and unloading equipment, so that the platform plate is fixed. The inner side of the plate moves up and down, driving the fixed rod to move up and down to drive the rotation of the main gear and the side gear, thereby driving the connecting rod to rotate, so that the limit plate at the bottom of the connecting rod clamps the side wall of the fixed block, and the entire loading and unloading platform The gripping force of the limit plate and the fixed block can enhance the stability of the loading and unloading platform during loading and unloading;

(2) The easy-to-fix train card loading and unloading platform is provided with clamping parts, which correspond to the bottom side of the train card, so that the bottom of the train card is clamped inside the clamping part of the "匚"-shaped structure. When the goods pass by on the platform board, the platform board is squeezed, so that the platform board descends, driving the support rod to move down, thereby squeezing the installation rod, making the movable rod move up, and driving the clamping board to fit the train card , so that the loading and unloading platform is stably connected with the train card during the loading and unloading process, further improving the stability of the connection;

(3) For the easy-to-fix train card loading and unloading platform, the bottom of the platform plate is provided with a reinforcing plate, and the inside of the reinforcing plate is provided with a stabilizing layer. The stabilizing plate inside the stabilizing layer forms a honeycomb structure, and the honeycomb structure has strong stability. Thereby, the structural strength of the platform board is enhanced. At the same time, the honeycomb structure is hollowed out, which can not only reduce the material consumption and cost, but also reduce the weight of the loading and unloading platform, which is convenient for subsequent handling.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention;

Fig. 2 is a schematic view of the top view structure of the present invention;

Fig. 3 is a schematic diagram of the main section structure of the present invention;

Fig. 4 is a schematic diagram of the main sectional structure of the clip connector of the present invention;

Fig. 5 is a schematic diagram of the side section structure of the platform plate of the present invention;

Fig. 6 is a schematic diagram of the main gear meshing with side gears according to the present invention;

Fig. 7 is a schematic diagram of the main section structure of the platform plate of the present invention;

Fig. 8 is a schematic plan view of the structure of the stabilizing layer according to the present invention.

In the figure: 1. Fixed plate; 2. Platform plate; 3. Anti-skid pattern; 4. Clamping piece; 5. Clamping plate; 6. Guide plate; 7. Slider; 8. Chute; 9. Support rod; 10, fixed block; 11, fixed rod; 12, side gear; 13, rotating shaft; 14, fixed sleeve; 15, connecting rod; 16, connecting rod; 20, limiting plate; 21, main gear; 22, reinforcing plate; 23, block; 24, slot; 25, compression spring; 26, stable layer; 27, stable plate; 28, cross bar; 29, movable bar 30, vertical bar.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-8, the present invention provides a technical solution: a train card loading and unloading platform that is easy to fix, including a fixed plate 1, a platform plate 2 is arranged on the inner top of the fixed plate 1, and the platform plate 2 and the fixed plate 1 are formed Up and down sliding structure, the top of the platform plate 2 is fixedly equipped with anti-skid lines 3, and the left end of the platform plate 2 is provided with a guide plate 6, and the right end of the platform plate 2 is provided with a clip 4;

As shown in Figure 1-6, it also includes: a support rod 9, which is arranged on the bottom of the platform board 2, and the support rod 9 is fixedly connected with the bottom of the platform board 2, and the support rod 9 is a telescopic structure, and the support rod 9 is provided with three groups, the middle one The diameter of the support rod 9 is greater than the diameter of the support rods 9 on both sides; the fixed block 10 is fixed on the ground, and the fixed block 10 is correspondingly arranged between the support rods 9 in the middle, and the bottom of the platform board 2 is fixedly connected with a fixed rod 11 , the left and right side walls of the fixed rod 11 are meshed with the main gear 21, and the side of the main gear 21 away from the fixed rod 11 is meshed with the side gear 12. When the surface of the platform plate 2 passes through the goods, the gravity of the platform plate 2 is driven. Move down, so that the fixed rod 11 moves down, driving the rotation of the main gear 21, and the rotation of the main gear 21 will drive the rotation of the side gear 12;

As shown in Fig. 2, the main gear 21 is connected with the inner wall bearings of the support rods 9 at the front and rear ends through shaft rods, and the inner wall bearings of the support rods 9 are connected with the rotating shaft 13, and the rotating shaft 13 is fixedly connected with the side gear 12. The outer walls on both sides of the platform plate 2 are fixedly connected with slide blocks 7, and the inner wall of the fixed plate 1 is provided with a chute 8, the slide block 7 and the chute 8 correspond to form an up and down sliding structure, and the top view of the slide block 7 and the chute 8 is uniform. It is a "T"-shaped structure, and the slider 7 of the "T"-shaped structure is provided with a chute 8, which can enhance the stability of the platform board 2 in the process of sliding up and down.

The front and rear sides of the rotating shaft 13 are fixedly connected with a fixed sleeve 14, the bottom of the fixed sleeve 14 is fixedly connected with a connecting rod 15, the bottom of the connecting rod 15 is fixedly connected with a limiting plate 20, and the inner wall of the limiting plate 20 is fixedly connected with a rubber material The clamping pad, and the inner wall of the limiting plate 20 is attached to the outer wall of the fixed block 10. During the loading and unloading process, the loading and unloading equipment moves on the platform plate 2. Squeeze, so that the platform plate 2 moves up and down on the inner side of the fixed plate 1, and drives the fixed rod 11 to move up and down to drive the rotation of the main gear 21 and the side gear 12, thereby driving the rotation of the connecting rod 15, so that the bottom of the connecting rod 15 The limiting plate 20 clamps the side wall of the fixed block 10, and the entire loading and unloading platform is subject to the gripping force of the limiting plate 20 and the fixing block 10, so that the loading and unloading platform is easy to fix, thereby enhancing the stability of the loading and unloading platform in the process of loading and unloading goods .

The bottom of fixed rod 11 is provided with mounting rod 18, and the front and rear ends of mounting rod 18 are all fixedly connected with the inner wall of support rod 9, and the mounting rod 18 is slidably connected with pressure plate 17, and the bottom of pressure plate 17 is connected with the top of fixed block 10. Fit together, and the bottom of the pressing plate 17 is also fixedly installed with a rubber pad. The movable shafts on both sides of the bottom of the fixed rod 11 are connected with the connecting rod 16, and the end of the connecting rod 16 away from the fixed rod 11 is connected with the movable shaft of the inner wall of the pressing plate 17. The two ends of the support rod 9 are fixedly connected with the inner wall of the support rod 9 and the outer wall of the pressure plate 17, and the fixed rod 11 can squeeze the connecting rod 16 in the process of moving up and down, so that the connecting rod 16 expands, thereby driving the pressure plate 17 in the process of moving up and down. The top of the fixed block 10 moves to improve the stability of the fixed rod 11 when moving up and down.

As shown in Figures 1 and 4, the clamping piece 4 is a "匚"-shaped structure, and the clamping piece 4 is correspondingly clamped with the train card. The inner bottom of the clamping piece 4 is provided with a clamping plate 5, and the top of the clamping plate 5 A rubber pad is sleeved, and the top of the clamping plate 5 is attached to the bottom of the train card. A movable rod 29 is fixedly connected to the center of the bottom of the clamping plate 5, and the movable rod 29 runs through the clip 4, and the bottom of the movable rod 29 is fixedly connected with a crossbar 28, and the left end movable shaft of the crossbar 28 is connected with a vertical rod 30, The top of the vertical bar 30 is fixedly connected to the bottom of the platform plate 2. When the loading and unloading platform is in use, the clamping part 4 can be corresponding to the bottom side of the train card, so that the bottom of the train card is clamped on the "匚" shaped structure. Inside the clamping piece 4, when the platform plate 2 passes through the goods, the platform plate 2 is squeezed by gravity, so that the platform plate 2 descends, and drives the vertical bar 30 to move down, thereby squeezing the cross bar 28 , so that the movable rod 29 moves up, driving the clamping plate 5 to fit the train card, so that the loading and unloading platform is stably connected with the train card during the loading and unloading process, further improving the stability of the connection.

As shown in Figures 7 and 8, the bottom of the platform board 2 is provided with a reinforcement plate 22, and the top of the reinforcement board 22 is provided with a card slot 24, and the bottom of the platform board 2 is fixedly connected with a card block 23, and the card block 23 and the card slot 24 correspond to form a card combined structure, and the bottom of the platform plate 2 is connected to the top of the reinforcing plate 22 through the compression spring 25, so that through the effect of the compression spring 25, the buffer force of the platform plate 2 can be improved in the process of loading and unloading goods, and at the same time through the trapezoidal structure The locking block 23 and the locking groove 24 are engaged with each other to improve the stability between the platform board 2 and the reinforcement board 22 .

The interior of the reinforcing plate 22 is provided with a stabilizing layer 26, and the interior of the stabilizing layer 26 is provided with a stabilizing plate 27. The upper and lower ends of the stabilizing plate 27 are fixedly connected with the inner wall of the reinforcing plate 22, and a honeycomb structure is formed between the stabilizing plates 27. The setting of the stable layer 26 of the honeycomb structure, the honeycomb structure has strong stability, thereby enhancing the structural strength of the platform plate 2, and the stable plates 27 inside the honeycomb structure are hollowed out, which can not only reduce the stability of the platform plate 2 Materials are used to save costs, and it can also reduce the overall weight of the loading and unloading platform, which is convenient for subsequent handling.

The working principle of this embodiment: when using the easy-to-fix train card loading and unloading platform, firstly, the support rod 9 in the middle of the bottom of the loading and unloading platform is correspondingly arranged at the fixing block 10, so as to facilitate the installation and fixing of the loading and unloading platform;

During the loading and unloading process, the platform board 2 is squeezed by the gravity of the cargo and the loading and unloading equipment, which drives the fixed rod 11 to move up and down, so that the limit plate 20 clamps the side wall of the fixed block 10, and the entire loading and unloading platform is limited. The gripping force of the bit plate 20 and the fixed block 10 makes the loading and unloading platform easy to fix, thereby enhancing the stability of the loading and unloading platform during loading and unloading;

And when the platform board 2 descends, it can also drive the vertical bar 30 to move down, thereby squeezing the cross bar 28, so that the movable bar 29 moves up, and drives the clamping plate 5 to fit the train card, so that the loading and unloading platform In the process of loading and unloading goods, make a stable connection with the train card;

Through the setting of the stable layer 26 of the honeycomb structure, the structural strength of the platform board 2 is enhanced. At the same time, the stable boards 27 inside the honeycomb structure are hollowed out, which can not only reduce the materials used for the platform board 2, save costs, but also reduce the cost. The overall weight of the loading and unloading platform is convenient for subsequent handling.

In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer" , "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should therefore not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral Ground connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the present invention, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present invention.

Claims (9)

1. A train card loading and unloading platform that is convenient to fix, comprising a fixed plate (1), the inner top of the fixed plate (1) is provided with a platform plate (2), and the platform plate (2) and the fixed plate (1) It constitutes an up and down sliding structure, the top of the platform board (2) is fixedly equipped with anti-skid lines (3), and the left end of the platform board (2) is provided with a guide plate (6), and the right end of the platform board (2) is provided with a Clamping piece (4); It is characterized in that it also includes: The support rod (9) is arranged on the bottom of the platform plate (2), the support rod (9) is fixedly connected with the bottom of the platform plate (2), and the support rod (9) is a telescopic structure, the There are three groups of support rods (9), and the diameter of the support rods (9) in the middle is greater than the diameter of the support rods (9) on both sides; The fixed block (10) is fixed on the ground, and the fixed block (10) is correspondingly arranged between the support rods (9) in the middle, and the bottom of the platform board (2) is fixedly connected with a fixed rod (11), The left and right side walls of the fixed rod (11) are meshed with a main gear (21), and the side of the main gear (21) away from the fixed rod (11) is meshed with a side gear (12); The main gear (21) is connected with the inner wall bearings of the support rods (9) at the front and rear ends through shaft rods, and the inner wall bearings of the support rods (9) are connected with a rotating shaft (13), and the rotating shaft (13) is connected to the inner wall bearing of the supporting rod (9). The side gear (12) runs through the fixed connection. 2. A convenient fixed train card loading and unloading platform according to claim 1, characterized in that: the outer walls on both sides of the platform plate (2) are fixedly connected with sliders (7), and the fixed plate (1) There is a chute (8) on the inner side wall of the chute, and the slider (7) and the chute (8) correspond to form an up and down sliding structure, and the top view of the slider (7) and the chute (8) are both "T" structure. 3. A kind of convenient fixed train card loading and unloading platform according to claim 1, characterized in that: the front and rear sides of the rotating shaft (13) are fixedly connected with fixed sleeves (14), and the fixed sleeves (14) ) is fixedly connected with a connecting rod (15), the bottom of the connecting rod (15) is fixedly connected with a limiting plate (20), and the inner wall of the limiting plate (20) is fixedly connected with a clamping pad made of rubber, And the inner wall of the limiting plate (20) is attached to the outer wall of the fixing block (10). 4. A convenient fixed train card loading and unloading platform according to claim 1, characterized in that: the bottom of the fixing rod (11) is provided with a mounting rod (18), and the front and rear sides of the mounting rod (18) Both ends are fixedly connected with the inner wall of the support rod (9), and a pressure plate (17) is slidably connected to the installation rod (18), and the bottom of the pressure plate (17) is connected to the top of the fixed block (10). fit, and the bottom of the pressure plate (17) is also fixedly equipped with a rubber pad. 5. A kind of train card loading and unloading platform that is convenient to fix according to claim 4 is characterized in that: the movable shafts on both sides of the bottom of the fixed rod (11) are connected with connecting rods (16), and the connecting rods ( 16) One end away from the fixed rod (11) is connected to the movable shaft of the inner side wall of the pressing plate (17), and the installation rod (18) is sleeved with a return spring (19), and the return spring (19) The two ends are respectively fixedly connected with the inner wall of the support rod (9) and the outer wall of the pressing plate (17). 6. A conveniently fixed train card loading and unloading platform according to claim 1, characterized in that: the clamping piece (4) is a "匚"-shaped structure, and the clamping piece (4) corresponds to the train card Clamping, the inner bottom of the clamping piece (4) is provided with a clamping plate (5), the top of the clamping plate (5) is covered with a rubber pad, and the top of the clamping plate (5) is in contact with the train The bottom of the card fits. 7. A convenient fixed train card loading and unloading platform according to claim 6, characterized in that: a movable rod (29) is fixedly connected to the center of the bottom of the clamping plate (5), and the movable rod (29) ) runs through the clip (4), and the bottom of the movable rod (9) is fixedly connected with a crossbar (28), and the left end movable shaft of the crossbar (28) is connected with a vertical rod (30), and the vertical rod ( 30) is fixedly connected to the bottom of the platform board (2). 8. A convenient fixed train card loading and unloading platform according to claim 1, characterized in that: the bottom of the platform board (2) is provided with a reinforcing plate (22), and the top of the reinforcing plate (22) is opened There is a card slot (24), the bottom of the platform board (2) is fixedly connected with a card block (23), and the card block (23) and the card slot (24) constitute a corresponding engaging structure, and the platform board (2) The bottom of the bottom is connected with the top of reinforcement plate (22) by compression spring (25). 9. A convenient fixed train card loading and unloading platform according to claim 8, characterized in that: a stabilizing layer (26) is arranged inside the reinforcing plate (22), and a stabilizing layer (26) is arranged inside the stabilizing layer (26) There are stabilizing plates (27), the upper and lower ends of the stabilizing plates (27) are fixedly connected with the inner walls of the uniform reinforcing plates (22), and a honeycomb structure is formed between the stabilizing plates (27).

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