CN217806940U - Frame motion platform turns to beat stop gear - Google Patents

Abstract

The utility model discloses a frame motion platform steering deflection limiting mechanism, which comprises a wheel linkage module and a steering deflection limiting module; the wheel linkage module comprises two linkage rods and a steel wire rope; the steering deflection limiting module comprises a guide rod, an angle deflection limiting part, a reset part, a rope guide rod, a frame driving rod and a guide supporting shaft, wherein the guide rod is installed on a frame through the guide supporting shaft, a cable guide rod is installed at one end of the guide rod, the angle deflection limiting rod is installed at the other end of the guide rod, an angle deflection limiting part is arranged below the angle deflection limiting rod, a special-shaped hole is formed in the angle deflection limiting part and comprises a limiting hole and a steering deflection hole which are communicated with each other, the angle deflection limiting hole is located in the special-shaped hole, and the universal wheels of the left side and the right side are switched between an angle deflection limiting state and a directional unable deflection state by controlling whether the angle deflection limiting rod is located in the limiting hole or the steering deflection hole.

Description

Frame motion platform turns to beat stop gear

Technical Field

The utility model relates to a frame motion platform field, concretely relates to frame motion platform turns to beat stop gear.

Background

The vehicle frame motion platform system comprises a vehicle frame motion platform 10, a cable 20, a power source device 40, a cable tensioning device 30 and a rail, as shown in fig. 1, the power source device 40 is started to drive the power cable 20 to move, the power cable 20 drives the vehicle frame motion platform 10 to move, and the vehicle frame motion platform 10 reciprocates within a certain distance. The frame motion platform 10 comprises a frame 11, four universal wheels 12 and a steering mechanism; at present, a steering mechanism is only started to work at a turning position of a track, so that the steering flexibility of the frame 11 is poor.

Disclosure of Invention

An object of the utility model is to provide a frame motion platform turns to beat stop gear, and this mechanism not only can realize that the frame turns to and provides the pivoted flexibility.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the frame motion platform steering deflection limiting mechanism comprises a wheel linkage module and a steering deflection limiting module, wherein the wheel linkage module and the steering deflection limiting module are arranged on a frame;

the wheel linkage module comprises two linkage rods and steel wire ropes, wherein mounting holes are formed in the middle parts of the two linkage rods and are connected with the wheels, and the two steel wire ropes are mounted at the two ends of the linkage rods to form a quadrangle;

the steering deflection limiting module comprises a guide rod, an angle deflection limiting part, a reset part, a rope guide rod, a frame driving rod and a guide supporting shaft, wherein the guide rod is installed on a frame through the guide supporting shaft, a cable guide rod is installed at one end of the guide rod, the angle deflection limiting rod is installed at the other end, an angle deflection limiting part is arranged below the angle deflection limiting rod, a special-shaped hole is formed in the angle deflection limiting part, the special-shaped hole comprises a limiting hole and a steering deflection hole which are communicated with each other, the angle deflection limiting hole is located in the special-shaped hole, the bottom of the angle deflection limiting part is provided with the frame driving rod and the reset part, the reset part comprises a sliding groove, a sliding block and a reset spring which are installed in the sliding groove, and a connecting rod connected with the angle deflection limiting part is installed at the top of the sliding block.

The utility model discloses following beneficial effect has:

(1) The steering angles of the two parallel wheels are consistent by arranging the wheel linkage module, so that the steering angles are ensured;

(2) Through setting up the spacing module of turning to beat, the carriage makes its front wheel internal rotation in certain extent in the in-process of traveling, and the rear wheel keeps the straight line, not only can satisfy straight line track, still satisfies the track of turning.

Drawings

Fig. 1 is a schematic structural diagram of a vehicle frame motion platform system.

Fig. 2 is a schematic structural diagram of the wheel linkage module of the present invention.

Fig. 3 is a schematic structural diagram of the wheel linkage module of the present invention.

Fig. 4 is a schematic view of the present invention installed on a vehicle frame.

Fig. 5 is an enlarged view of a portion a of fig. 4.

Fig. 6 is an enlarged view of part B of fig. 4.

The labels in the figure are: 10. a frame motion platform; 11. a frame; 12. a universal wheel; 13. a screw rod; 20. a cable; 30. a tensioning device; 40. a power source device; 50. a wheel linkage module; 51. a linkage rod; 52. a wire rope; 53. mounting holes; 60. a steering deflection limiting module; 61. a guide bar; 62. an angle deflection limiting rod; 63. an angle deflection limiting member; 64. a frame drive rod; 65. a cord guide bar; 66. a guide support shaft; 67. a reset member; 68. a chute; 69. a return spring; 70. a slider; 71. a limiting hole; 72. a steering deflection hole; 73. a special-shaped hole.

Detailed Description

As shown in fig. 2 to fig. 6, the vehicle frame motion platform steering and yawing limiting mechanism provided in this embodiment includes a wheel linkage module 50 and a steering and yawing limiting module 60 mounted on the vehicle frame 11, the wheel linkage module 50 is connected with the wheels, and the steering and yawing limiting module 60 is located in the middle of the wheel linkage module 50.

As shown in fig. 2, the wheel linkage module 50 includes two linkage rods 51 and steel wire ropes 52, wherein mounting holes 53 are formed in the middle portions of the two linkage rods 51, and the two steel wire ropes 52 are mounted at two ends of the linkage rods 51 to form a quadrangle, so as to ensure that the two wheels keep linkage with consistent deflection angles.

As shown in fig. 3, the steering and yawing limiting module 60 includes a guide rod 61, an angle yawing limiting rod 62, an angle yawing limiting member 63, a resetting member 67, a rope guide rod 65, a frame driving rod 64 and a guide supporting shaft 66, the guide rod 61 is mounted on the frame 11 through the guide supporting shaft 66, one end of the guide rod 61 is mounted with the cable guide rod 61, the other end is mounted with the angle yawing limiting rod 62, the angle yawing limiting member 63 is arranged below the angle yawing limiting rod 62, the angle yawing limiting member 63 is provided with a special-shaped hole 73, the special-shaped hole 73 includes a limiting hole 71 and a steering and yawing hole 72 which are communicated with each other, the angle yawing limiting hole 71 is positioned in the special-shaped hole 73, the bottom of the angle yawing limiting member 63 is provided with the frame 11 driving rod 64 and the resetting member 67, the resetting member 67 includes a sliding groove 68, and a sliding block 70 and a resetting spring 69 which are mounted in the sliding groove 68, and the top of the sliding block 70 is mounted with a connecting rod connected with the angle yawing limiting member 63; during the movement of the frame 11 moving platform 10, the switching of the two states of angle deflection limiting and directional non-deflection of the universal wheels 12 on the left side and the right side is realized by controlling whether the angle deflection limiting rod 62 is positioned in the limiting hole 71 or the steering deflection hole 72.

As shown in fig. 4 to 6, the frame motion platform steering and deflection limiting mechanisms are mounted on the front and rear universal wheels 12 of the frame 11, and the two frame motion platform steering and deflection limiting mechanisms are symmetrically arranged, and when the universal wheels 12 are mounted, the screw rods 13 penetrate through the frame 11 and are fixed in the mounting holes 53 in the middle of the linkage rods 51; the guide support shaft 66 and the sliding groove 68 are fixed in the middle of the frame 11, the cable guide rod 65 is located on the front side of the frame drive rod 64, the cable 20 passes through the cable guide rod 65 and the frame drive rod 64, the cable 20, the cable guide rod 65 and the frame drive rod 64 are in clearance fit, a dragging block is arranged on the cable 20, and the dragging block is located between the two frame 11 drive rods 64 and passes through the frame drive rod 64.

In an initial state, the angle deflection limiting rod 62 is positioned in the limiting hole 71, the power source equipment 40 is started to drive the cable 20 to move, so that a dragging block on the cable 20 moves, after the dragging block is between the driving rods 64 of the frame 11, the dragging block applies forward force to the guide rod 61 of the frame 11, so that the angle deflection limiting piece 63 moves forward, the angle deflection limiting rod 62 is separated from the limiting hole 71 and enters the steering deflection hole 72, and the reset spring 69 is in a compressed state; make two universal wheels 12 of front side can move in the beat angle that turns to beat hole 72, it is relevant that the beat angle specifically sets up the turn angle on the track, on the straight line track, because the rear wheel attitude is forward, the front wheel is because of dragging angle beat locating part 63 to the spacing one side of angle beat, it is spacing to realize the angle beat of guide bar 61, thereby it is spacing to realize the angle beat with two universal wheels 12, and then guarantee linear motion, the turning department, the front wheel has certain angle to deflect, make the front wheel follow orbital bend and rotate, and then realized the turn. After the cable 20 moves reversely, the dragging block moves backwards, the return spring 69 rebounds, and the angle deflection limiting rod 62 returns to the limiting hole 71, so that the front wheel and the rear wheel are changed, and reciprocating motion is realized.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.

Claims (1)

1. Frame motion platform turns to beat stop gear, its characterized in that: the device comprises a wheel linkage module (50) and a steering deflection limiting module (60) which are arranged on a frame (11), wherein the wheel linkage module (50) is connected with wheels, and the steering deflection limiting module (60) is positioned in the middle of the wheel linkage module (50);

the wheel linkage module (50) comprises two linkage rods (51) and steel wire ropes (52), mounting holes (53) are formed in the middle parts of the two linkage rods (51) and are formed in the wheels, and the two steel wire ropes (52) are mounted at the two ends of the linkage rods (51) to form a quadrangle;

the steering deflection limiting module (60) comprises a guide rod (61), an angle deflection limiting rod (62), an angle deflection limiting part (63), a reset part (67), a rope guide rod (65), a frame driving rod (64) and a guide supporting shaft (66), wherein the guide rod (61) is installed on a frame (11) through the guide supporting shaft (66), the cable guide rod (61) is installed at one end of the guide rod (61), the angle deflection limiting rod (62) is installed at the other end of the guide rod, the angle deflection limiting part (63) is arranged below the angle deflection limiting rod (62), a special-shaped hole (73) is formed in the angle deflection limiting part (63), the special-shaped hole (73) comprises a limiting hole (71) and a steering deflection hole (72) which are communicated with each other, the angle deflection limiting hole (71) is located in the special-shaped hole (73), the frame driving rod (64) and the reset part (67) are arranged at the bottom of the angle deflection limiting part (63), the reset part (67) comprises a sliding groove (68), a sliding block (70) and a reset spring (69) and a connecting rod (63) connected with the top of the deflection limiting part (63).

Images