CN114489345B - Running gear based on VR equipment - Google Patents
Running gear based on VR equipment Download PDFInfo
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- CN114489345B CN114489345B CN202210173281.5A CN202210173281A CN114489345B CN 114489345 B CN114489345 B CN 114489345B CN 202210173281 A CN202210173281 A CN 202210173281A CN 114489345 B CN114489345 B CN 114489345B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses a running gear based on VR equipment, which comprises a rotating support unit, wherein an exchange unit for resetting is arranged on the rotating support unit, a first running platform unit and a second running platform unit are rotatably arranged on the exchange unit, the rotating axis of the first running platform unit is overlapped with the rotating axis of the rotating support unit, the rotating axis of the second running platform unit is parallel to the rotating axis of the rotating support unit, a blowing unit is arranged on the rotating support unit, and an air outlet of the blowing unit corresponds to a VR equipment wearer. The VR equipment wearer who keeps moving through first walking platform unit removes in the spot, and when turning, the rotation supporting unit rotates and drives second walking platform unit and move the pivoted direction, and VR equipment wearer will walk on the second walking platform unit, realizes turning, and exchange unit drives second walking platform unit and first walking platform unit exchange position realization and resets, and the wind that the removal was brought is simulated in the unit start-up of blowing.
Description
Technical Field
The invention relates to the field of VR equipment, in particular to a running gear based on VR equipment.
Background
The virtual reality technology, abbreviated as VR technology, utilizes computer simulation to generate a virtual world with three-dimensional space, provides a sense simulation of the user about vision, hearing and the like, and enables the user to experience things in the three-dimensional space like the user's environment. When a scene or a person in the VR equipment needs to be moved, the walking platform is required to ensure that a VR equipment wearer maintains a certain position, so that the VR equipment wearer can continuously move in a limited space. The current running gear is through the removal of universal treadmill or ball control VR equipment wearer and turn to, universal treadmill is owing to be by following X, Y pivoted big, little conveyer belt is constituteed, although can realize the turning to of VR equipment wearer, but owing to little conveyer belt is installed on big conveyer belt, will have certain clearance between the unavoidable little conveying, the existence in clearance will be experienced to certain probability when VR equipment wearer walks, the experience of VR equipment has been reduced, ball running gear is felt because VR equipment wearer stands on the ball, it is felt differently with the experience that the people stands on ground, will reduce the experience of VR equipment.
Disclosure of Invention
The invention aims to provide a running gear based on VR equipment, which is used for simulating running and steering of a VR equipment wearer, so that VR experience of the VR equipment wearer is improved.
The object of the invention is achieved by such a solution, which comprises a first walking platform unit, a second walking platform unit and a rotation support unit;
the rotary support unit is provided with an exchange unit for exchanging the positions of the first walking platform unit and the second walking platform unit, the exchange unit is rotatably provided with the first walking platform unit and the second walking platform unit, the rotation axis of the first walking platform unit is coincident with the rotation axis of the rotary support unit, and the rotation axis of the second walking platform unit is parallel to the rotation axis of the rotary support unit;
the rotary supporting unit is also provided with a blowing unit which moves annularly around the rotary axis of the rotary supporting unit, and an air outlet of the blowing unit corresponds to a VR equipment wearer on the first walking platform unit or the second walking platform unit.
Preferably, the rotary supporting unit comprises a barrel-shaped base, a first motor, a belt, a sleeve, a rotating shaft, an arc-shaped groove, a pushing block and a first supporting plate;
The barrel-shaped base rotation is provided with the axis of rotation, the axis of rotation coincides with the axis of barrel-shaped base, the axis of rotation up end is provided with first backup pad, be provided with the exchange unit in the first backup pad, the arc wall has been seted up to the axis of rotation outer wall, the centre of a circle of the arc cross-section of arc groove is located the axis of rotation, there is the impeller in the arc groove, the arc length of arc groove is greater than the length of impeller, the impeller stretches out the arc groove and connects on the sleeve, the sleeve rotates the cover and establishes at the axis of rotation outer wall, be provided with first motor in the barrel-shaped base, connect the transmission through the belt between first motor and the sleeve.
Preferably, the exchange unit comprises a second motor, a second support plate, a first through hole, a first rotating column, a second rotating column, a first mounting column, a second mounting column, a first locking groove and a first locking block;
the upper end face of the first supporting plate is provided with a second motor, the axis of an output shaft of the second motor is parallel to the axis of the rotating shaft, the upper end face of the second motor is provided with a first locking block, the first locking block corresponds to a first locking groove, the first locking groove is formed in the lower end face of the second supporting plate, the second supporting plate is located above the first supporting plate, a first rotating column is arranged between the first supporting plate and the second supporting plate, a first through hole penetrating through the upper end face and the lower end face of the first rotating column is formed in the rotating shaft, and the lower end face of the first rotating column rotatably penetrates through the upper end face and the lower end face of the first supporting plate and penetrates through the first through hole in a rotating mode and is connected with the inner bottom wall of the barrel-shaped base;
The axis of the first rotating column is coincident with the axis of the rotating shaft, a second rotating column is arranged above the first rotating column, the first rotating column is connected with the second rotating column through a first locking assembly, the upper end face of the second rotating column penetrates through the upper end face and the lower end face of the second supporting plate and is rotationally connected with the second supporting plate, and the axis of the first rotating column can be coincident with the axis of the second rotating column;
the first mounting column is arranged on the first supporting plate, the axis of the first mounting column is parallel to the axis of the first rotating column, a second mounting column is arranged above the first mounting column, the first mounting column is connected with the second mounting column through a second locking assembly, the second mounting column is connected to the bottom end face of the second supporting plate, the axis of the output shaft of the second motor, the axis of the first mounting column and the axis of the first rotating column are arranged on the same vertical plane, and the distance between the axis of the output shaft of the second motor and the axis of the first mounting column is equal to the distance between the axis of the output shaft of the second motor and the axis of the first rotating column;
the first walking platform unit and the second walking platform unit are rotatably arranged on the second supporting plate.
Preferably, the first locking component and the second locking component comprise a hydraulic cylinder, a groove, a second locking block, a rotating shaft, a sliding block, a torsion spring, a sliding rod, a sliding groove and a spring;
the first rotating column of the first locking component and the upper end face of the first mounting column of the second locking component are both provided with grooves, a hydraulic cylinder is arranged in each groove, a rotating shaft is arranged at the telescopic end of each hydraulic cylinder, the axis of each rotating shaft is perpendicular to the axis of each first rotating column, the second rotating column is rotationally connected with the rotating shaft of the first locking component, the second mounting column is rotationally connected with the rotating shaft of the second locking component, a second locking block is rotationally arranged on each rotating shaft, a torsion spring is sleeved on each rotating shaft, one end of each torsion spring of the first locking component is connected with the corresponding first rotating column, the other end of each torsion spring of the second locking component is connected with the corresponding second rotating column, and one end of each torsion spring of the second locking component is connected with the corresponding first mounting column;
the second rotating column of the first locking assembly and the lower end face of the second mounting column of the second locking assembly are respectively provided with a second locking groove, a second locking block can be inserted into the second locking groove and can slide in the second locking groove, sliding grooves are respectively formed in the second rotating column of the first locking assembly and the second mounting column of the second locking assembly, sliding rods are arranged in the sliding grooves in a sliding manner, springs are arranged in the sliding grooves, one ends of the springs are connected with the sliding grooves, the other ends of the springs are connected with the sliding rods, the sliding rods can penetrate through the sliding grooves and the second locking grooves in a sliding manner and extend into the second locking grooves, and the extending sections of the second locking grooves of the sliding rods are provided with sliding blocks which are arranged in the second locking grooves in a sliding manner;
The sliding direction of the sliding block is perpendicular to the axial direction of the rotating shaft and perpendicular to the axial direction of the second rotating column, and the sliding block is positioned on one side of the second locking block, which is close to the second motor;
the distance between the second locking block of the first locking assembly and the axis of the second motor is equal to the distance between the second locking block of the second locking assembly and the axis of the second motor;
when the second locking block is not inserted into the second locking groove, the distance between the sliding block and the side wall of the second locking groove, which is far away from the sliding groove, is a, the width of the second locking block along the sliding direction of the sliding block is b, and a is more than or equal to b.
Preferably, the device further comprises a first round supporting plate, a second through hole, a third through hole and a fourth through hole;
a first circular support plate which is parallel to the second support plate is arranged above the second support plate, the outer wall of the first circular support plate can be attached to the inner side wall of the barrel-shaped base, a second through hole penetrating through the upper end face and the lower end face of the first circular support plate is formed in the first circular support plate, the second circular support plate is rotatably arranged in the second through hole, and the axis of the second through hole is overlapped with the axis of an output shaft of the second motor;
The second round supporting plate is provided with a third through hole and a fourth through hole which penetrate through the upper end face and the lower end face of the second round supporting plate, the axis of the third through hole coincides with the axis of the second rotating column, the axis of the fourth through hole coincides with the axis of the second mounting column, the walking end of the first walking platform unit is rotationally connected in the third through hole, and the walking end of the second walking platform unit is rotationally connected in the fourth through hole.
Preferably, the first walking platform unit and the second walking platform unit each comprise a third motor, a third supporting plate, a fifth through hole, a conveyor belt, a conveying motor, a fourth supporting plate, a third circular supporting plate, a first pressure sensor and a second pressure sensor;
the third motor of the first walking platform unit is arranged on the upper end surface of the second rotating column, the axis of the output shaft of the third motor of the first walking platform unit is coincident with the axis of the second rotating column, the third motor of the second walking platform unit is arranged on the upper end surface of the second supporting plate, and the axis of the output shaft of the third motor of the second walking platform unit is coincident with the axis of the second mounting column;
the output shaft of the third motor is provided with a third supporting plate, the third supporting plate is provided with a conveying belt for supporting a VR equipment wearer to walk, the conveying direction of the conveying belt is perpendicular to the axis direction of the output shaft of the third motor, the conveying belt is powered by the conveying motor, a fourth supporting plate for supporting the upper surface of the conveying belt is arranged between the conveying belts, the fourth supporting plate is connected to the third supporting plate, and the upper end face of the fourth supporting plate is attached to the lower end face of the conveying belt;
The upper surface of the conveyor belt is positioned in a fifth through hole, the fifth through hole is formed in a third round supporting plate and penetrates through the upper end surface and the lower end surface of the third round supporting plate, the upper end surface of the conveyor belt is level with the upper end surface of the third round supporting plate, and the third round supporting plate is connected to a fourth supporting plate;
the upper end face of the fourth supporting plate is provided with a plurality of first pressure sensors for collecting pressure distribution on the conveyor belt, the signal input ends of the first pressure sensors are in contact with the lower end face of the conveyor belt, the signal output ends of the first pressure sensors are electrically connected with the signal input ends of the first controller, and the signal output ends of the first controller are electrically connected with the signal input ends of the conveying motor;
the upper end face of the third round supporting plate is embedded with a plurality of second pressure sensors for collecting pressure distribution on the third round supporting plate, the signal input ends of the second pressure sensors correspond to VR equipment wearers on the third round supporting plate, the signal output ends of the second pressure sensors are electrically connected with the signal input ends of the second controller, the first signal output ends of the second controller are electrically connected with the signal input ends of the first motor, the second signal output ends of the second controller are electrically connected with the signal input ends of the second motor, the third signal output ends of the second controller are electrically connected with the signal input ends of the third motor, the third round supporting plate of the first walking platform unit is rotatably connected in a third through hole, and the third round supporting plate of the second walking platform unit is rotatably connected in a fourth through hole;
The maximum distance between the second pressure sensor and the fifth through hole is c, the length of the sole of the VR equipment wearer is d, and c is more than or equal to d;
when the VR equipment wearer is not standing in the traveling device, the conveying direction of the conveying belt of the first traveling platform unit is coincident with the conveying direction of the conveying belt of the second traveling platform unit.
Preferably, the conveyor belt comprises a first transmission shaft, a second transmission shaft and a conveyor belt;
the first transmission shaft and the second transmission shaft are both rotatably arranged on the third support plate, a transmission adhesive tape used for supporting a VR equipment wearer to walk is connected between the first transmission shaft and the second transmission shaft, the lower end face of the transmission adhesive tape is attached to the upper end face of the fourth support plate, the upper end face of the transmission adhesive tape is flush with the upper end face of the third circular support plate, and the lower end face of the transmission adhesive tape is in contact with the signal input end of the first pressure sensor;
the first transmission shaft is arranged on an output shaft of the transmission motor, and the axis of the output shaft of the transmission motor is perpendicular to the axis of the output shaft of the third motor.
Preferably, when the second locking block is not inserted into the second locking groove, a distance between the upper end surface of the first circular support plate and the upper end surface of the barrel-shaped base is greater than zero.
Preferably, the blowing unit comprises an annular chute, a self-propelled sliding block, a sliding rail, a sliding frame, an air port, a blower and an electric telescopic rod;
the outer wall of the barrel-shaped base is provided with an annular sliding groove, a self-propelled sliding block is slidably arranged in the annular sliding groove, the annular central axis of the annular sliding groove is coincident with the central axis of the barrel-shaped base, a sliding rail is arranged on the self-propelled sliding block, the guiding direction of the sliding rail is parallel to the central axis of the barrel-shaped base, a sliding frame which slides up and down is arranged on the sliding rail, an air opening is arranged on the sliding frame, the air outlet end of the air opening corresponds to a VR equipment wearer, the air inlet end of the air opening is communicated with the air outlet of an air blower through a pipeline, and the air blower is arranged on the self-propelled sliding block;
the self-propelled sliding block is characterized in that an electric telescopic rod is further arranged on the self-propelled sliding block, the telescopic end of the electric telescopic rod is connected to the sliding frame, the telescopic direction of the electric telescopic rod is parallel to the guiding direction of the sliding rail, an image sensor for collecting data of the moving speed of a VR equipment wearer is further arranged on one side of the sliding rail, and the signal output end of the image sensor is electrically connected with the signal input end of the air blower.
After adopting the structure, compared with the prior art, the invention has the following advantages:
1. according to the method, the first support plate is arranged to rotate, when a VR device wearer moves forwards, moves backwards, rotates left or rotates right, the conveyor belt of the second walking platform unit can be driven to rotate to the direction in which the VR device wearer needs to rotate, the rotation of the VR device wearer on a picture and the rotation of a body can be synchronously carried out, and the steering experience of the VR device is improved;
2. according to the VR device, the rotating second supporting plate is arranged, so that when a VR device wearer walks to the conveyor belt of the second walking platform unit, the conveyor belt of the second walking platform unit is rotated to the position of the conveyor belt of the first walking platform unit, the position of the VR device wearer is reset, and the VR device wearer can continue to steer left and right and move back and forth;
3. according to the method, the hydraulic cylinder is arranged to realize locking of the second locking groove and the second locking block, so that connection and separation of the second supporting plate and the first supporting plate are realized, switching of a steering mode and a resetting mode of a VR equipment wearer is realized, and meanwhile, the lifting of the hydraulic cylinder can simulate jolt conditions of the VR equipment wearer;
4. This application is through setting up two pneumatic cylinders, can be after ejecting barrel-shaped base with first circular backup pad, continue the jacking through starting one of them pneumatic cylinder, makes first circular backup pad be the incline condition to realize the simulation of ramp state.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The drawings of the present invention are described below.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view at A-A of the present invention;
FIG. 4 is a partial enlarged view at B of the present invention;
FIG. 5 is an enlarged view of a portion of the present invention at C;
FIG. 6 is a partial enlarged view at D of the present invention;
FIG. 7 is a schematic illustration of the connection of the hydraulic cylinder, the shaft and the second lock block of the present invention;
FIG. 8 is a schematic view of the conveyor belt and conveyor motor of the present invention;
FIG. 9 is a schematic view of a first rotating shaft according to the present invention;
fig. 10 is a schematic structural view of a blower unit according to the present invention.
In the figure: 1. a barrel-shaped base; 2. a first motor; 3. a belt; 4. a sleeve; 5. a rotating shaft; 6. an arc-shaped groove; 7. a pushing block; 8. a first support plate; 9. a second motor; 10. a second support plate; 11. a first through hole; 12. a first rotating column; 13. a second rotating column; 14. a first mounting post; 15. a second mounting post; 16. a first locking groove; 17. a first lock block; 18. a hydraulic cylinder; 19. a groove; 20. a second locking groove; 21. a second lock block; 22. a rotating shaft; 23. a slide block; 24. a torsion spring; 25. a slide bar; 26. a chute; 27. a spring; 28. a first circular support plate; 29. a second circular support plate; 30. a second through hole; 31. a third through hole; 32. a fourth through hole; 33. a third motor; 34. a third support plate; 35. a fifth through hole; 36. a conveyor belt; 37. a conveying motor; 38. a fourth support plate; 39. a third circular support plate; 40. a first pressure sensor; 41. a second pressure sensor; 42. a first drive shaft; 43. a second drive shaft; 44. a transfer tape; 45. an annular chute; 46. a self-propelled slide block; 47. a slide rail; 48. a carriage; 49. an air port; 50. a blower; 51. an electric telescopic rod; 52. an image sensor.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 to 10, a walking device based on VR equipment includes a first walking platform unit, a second walking platform unit, and a rotation support unit;
the rotary support unit is provided with an exchange unit for exchanging the positions of the first walking platform unit and the second walking platform unit, the exchange unit is rotatably provided with the first walking platform unit and the second walking platform unit, the rotation axis of the first walking platform unit is coincident with the rotation axis of the rotary support unit, and the rotation axis of the second walking platform unit is parallel to the rotation axis of the rotary support unit;
the rotary supporting unit is also provided with a blowing unit which moves annularly around the rotary axis of the rotary supporting unit, and an air outlet of the blowing unit corresponds to a VR equipment wearer on the first walking platform unit or the second walking platform unit.
The rotary supporting unit comprises a barrel-shaped base 1, a first motor 2, a belt 3, a sleeve 4, a rotating shaft 5, an arc-shaped groove 6, a pushing block 7 and a first supporting plate 8;
the barrel-shaped base 1 rotation is provided with axis of rotation 5, the axis of rotation 5 coincides with the axis of barrel-shaped base 1 mutually, the axis of rotation 5 up end is provided with first backup pad 8, be provided with the exchange unit on the first backup pad 8, arc wall 6 has been seted up to the axis of rotation 5 outer wall, the centre of a circle of the arc cross-section of arc wall 6 is located the axis of rotation 5, there is pushing block 7 in the arc wall 6, the arc length of arc wall 6 is greater than pushing block 7's length, pushing block 7 stretches out arc wall 6 and connects on sleeve 4, sleeve 4 rotates the cover and establishes at axis of rotation 5 outer wall, be provided with first motor 2 in the barrel-shaped base 1, connect the transmission through belt 3 between first motor 2 and the sleeve 4.
The exchange unit comprises a second motor 9, a second support plate 10, a first through hole 11, a first rotating column 12, a second rotating column 13, a first mounting column 14, a second mounting column 15, a first locking groove 16 and a first locking block 17;
the upper end face of the first supporting plate 8 is provided with a second motor 9, the axis of an output shaft of the second motor 9 is parallel to the axis of the rotating shaft 5, the upper end face of the second motor 9 is provided with a first locking block 17, the first locking block 17 corresponds to a first locking groove 16, the first locking groove 16 is formed in the lower end face of the second supporting plate 10, the second supporting plate 10 is positioned above the first supporting plate 8, a first rotating column 12 is arranged between the first supporting plate 8 and the second supporting plate 10, a first through hole 11 penetrating through the upper end face and the lower end face of the first rotating column 12 is formed in the rotating shaft 5, and the lower end face of the first rotating column 12 rotatably penetrates through the upper end face and the lower end face of the first supporting plate 8 and penetrates through the first through hole 11 and is connected with the inner bottom wall of the barrel-shaped base 1;
the axis of the first rotating column 12 coincides with the axis of the rotating shaft 5, a second rotating column 13 is arranged above the first rotating column 12, the first rotating column 12 and the second rotating column 13 are connected through a first locking assembly, the upper end surface of the second rotating column 13 penetrates through the upper end surface and the lower end surface of the second supporting plate 10 and is in rotating connection with the second supporting plate 10, and the axis of the first rotating column 12 can coincide with the axis of the second rotating column 13;
The first mounting column 14 is arranged on the first supporting plate 8, the axis of the first mounting column 14 is parallel to the axis of the first rotating column 12, a second mounting column 15 is arranged above the first mounting column 14, the first mounting column 14 and the second mounting column 15 are connected through a second locking assembly, the second mounting column 15 is connected to the bottom end surface of the second supporting plate 10, the axis of the output shaft of the second motor 9, the axis of the first mounting column 14 and the axis of the first rotating column 12 are on the same vertical plane, and the distance between the axis of the output shaft of the second motor 9 and the axis of the first mounting column 14 is equal to the distance between the axis of the output shaft of the second motor 9 and the axis of the first rotating column 12;
the second support plate 10 is rotatably provided with a first walking platform unit and a second walking platform unit.
The first locking component and the second locking component comprise a hydraulic cylinder 18, a groove 19, a second locking groove 20, a second locking block 21, a rotating shaft 22, a sliding block 23, a torsion spring 24, a sliding rod 25, a sliding chute 26 and a spring 27;
the first rotating column 12 of the first locking component and the first mounting column 14 of the second locking component are both provided with grooves 19, a hydraulic cylinder 18 is arranged in each groove 19, the telescopic end of each hydraulic cylinder 18 is provided with a rotating shaft 22, the axis of each rotating shaft 22 is perpendicular to the axis of each first rotating column 12, each second rotating column 13 is rotationally connected with the corresponding rotating shaft 22 of the corresponding first locking component, each second mounting column 15 is rotationally connected with the corresponding rotating shaft 22 of the corresponding second locking component, each rotating shaft 22 is rotationally provided with a second locking block 21, each rotating shaft 22 is sleeved with a torsion spring 24, one end of each torsion spring 24 of each first locking component is connected with the corresponding first rotating column 12, the other end of each torsion spring 24 of each second locking component is connected with the corresponding second rotating column 13, and one end of each torsion spring 24 of each second locking component is connected with the corresponding first mounting column 14 and the other;
The lower end surfaces of the second rotating column 13 of the first locking assembly and the second mounting column 15 of the second locking assembly are respectively provided with a second locking groove 20, a second locking block 21 can be inserted into the second locking groove 20 and can slide in the second locking groove 20, sliding grooves 26 are respectively formed in the second rotating column 13 of the first locking assembly and the second mounting column 15 of the second locking assembly, sliding rods 25 are arranged in the sliding grooves 26 in a sliding manner, springs 27 are arranged in the sliding grooves 26, one ends of the springs 27 are connected with the sliding grooves 26, the other ends of the springs 27 are connected with the sliding rods 25, the sliding rods 25 can penetrate through the sliding grooves 26 and the second locking groove 20 in a sliding manner and extend into the second locking groove 20, the extending sections of the second locking grooves 20 of the sliding rods 25 are provided with sliding blocks 23, and the sliding blocks 23 are arranged in the second locking grooves 20 in a sliding manner;
the sliding direction of the sliding block 23 is perpendicular to the axial direction of the rotating shaft 22 and perpendicular to the axial direction of the second rotating column 13, and the sliding block 23 is positioned on one side of the second locking block 21 close to the second motor 9;
the distance between the second lock block 21 of the first lock assembly and the axis of the second motor 9 is equal to the distance between the second lock block 21 of the second lock assembly and the axis of the second motor 9;
When the second locking block 21 is not inserted into the second locking groove 20, the distance between the sliding block 23 and the side wall of the second locking groove 20 away from the sliding groove 26 is a, the width of the second locking block 21 along the sliding direction of the sliding block 23 is b, and a is greater than or equal to b.
The device also comprises a first round supporting plate 28, a second round supporting plate 29, a second through hole 30, a third through hole 31 and a fourth through hole 32;
a first circular support plate 28 parallel to the second support plate 10 is arranged above the second support plate 10, the outer wall of the first circular support plate 28 can be attached to the inner side wall of the barrel-shaped base 1, a second through hole 30 penetrating through the upper end face and the lower end face of the first circular support plate 28 is formed in the first circular support plate 28, a second circular support plate 29 is rotatably arranged in the second through hole 30, and the axis of the second through hole 30 coincides with the axis of the output shaft of the second motor 9;
the second circular support plate 29 is provided with a third through hole 31 and a fourth through hole 32 penetrating through the upper end surface and the lower end surface of the second circular support plate, the axis of the third through hole 31 coincides with the axis of the second rotating column 13, the axis of the fourth through hole 32 coincides with the axis of the second mounting column 15, the traveling end of the first traveling platform unit is rotationally connected in the third through hole 31, and the traveling end of the second traveling platform unit is rotationally connected in the fourth through hole 32.
The first walking platform unit and the second walking platform unit comprise a third motor 33, a third supporting plate 34, a fifth through hole 35, a conveying belt 36, a conveying motor 37, a fourth supporting plate 38, a third circular supporting plate 39, a first pressure sensor 40 and a second pressure sensor 41;
the third motor 33 of the first traveling platform unit is arranged on the upper end surface of the second rotating column 13, the axis of the output shaft of the third motor 33 of the first traveling platform unit coincides with the axis of the second rotating column 13, the third motor 33 of the second traveling platform unit is arranged on the upper end surface of the second supporting plate 10, and the axis of the output shaft of the third motor 33 of the second traveling platform unit coincides with the axis of the second mounting column 15;
the output shaft of the third motor 33 is provided with a third support plate 34, the third support plate 34 is provided with a conveyor belt 36 for supporting the VR equipment wearer to walk, the conveying direction of the conveyor belt 36 is perpendicular to the axis direction of the output shaft of the third motor 33, the conveyor belt 36 is powered by the conveying motor 37, a fourth support plate 38 for supporting the upper surface of the conveyor belt 36 is arranged between the conveyor belts 36, the fourth support plate 38 is connected to the third support plate 34, and the upper end surface of the fourth support plate 38 is attached to the lower end surface of the conveyor belt 36;
The upper surface of the conveyor belt 36 is located in a fifth through hole 35, the fifth through hole 35 is formed in a third circular support plate 39 and penetrates through the upper end surface and the lower end surface of the third circular support plate 39, the upper end surface of the conveyor belt 36 is level with the upper end surface of the third circular support plate 39, and the third circular support plate 39 is connected to a fourth support plate 38;
the upper end surface of the fourth support plate 38 is provided with a plurality of first pressure sensors 40 for collecting pressure distribution on the conveyor belt 36, a signal input end of each first pressure sensor 40 is in contact with the lower end surface of the conveyor belt 36, a signal output end of each first pressure sensor 40 is electrically connected with a signal input end of a first controller, and a signal output end of each first controller is electrically connected with a signal input end of the corresponding conveyor motor 37;
the upper end face of the third circular support plate 39 is embedded with a plurality of second pressure sensors 41 for collecting pressure distribution on the third circular support plate 39, a signal input end of each second pressure sensor 41 corresponds to a VR equipment wearer on the third circular support plate 39, a signal output end of each second pressure sensor 41 is electrically connected with a signal input end of a second controller, a first signal output end of each second controller is electrically connected with a signal input end of the first motor 2, a second signal output end of each second controller is electrically connected with a signal input end of the second motor 9, a third signal output end of each second controller is electrically connected with a signal input end of the third motor 33, the third circular support plate 39 of each first walking platform unit is rotatably connected in the third through hole 31, and the third circular support plate 39 of each second walking platform unit is rotatably connected in the fourth through hole 32;
The maximum distance between the second pressure sensor 41 and the fifth through hole 35 is c, the length of the sole of the wearer of the VR device is d, and c is more than or equal to d;
when the VR equipment wearer is not standing in the walking device, the conveying direction of the conveying belt 36 of the first walking platform unit coincides with the conveying direction of the conveying belt 36 of the second walking platform unit.
The conveyor belt 36 comprises a first transmission shaft 42, a second transmission shaft 43 and a conveyor belt 44;
the first transmission shaft 42 and the second transmission shaft 43 are both rotatably arranged on the third support plate 34, a transmission adhesive tape 44 for supporting the VR device wearer to walk is connected between the first transmission shaft 42 and the second transmission shaft 43, the lower end surface of the transmission adhesive tape 44 is attached to the upper end surface of the fourth support plate 38, the upper end surface of the transmission adhesive tape 44 is flush with the upper end surface of the third circular support plate 39, and the lower end surface of the transmission adhesive tape 44 is in contact with the signal input end of the first pressure sensor 40;
the first transmission shaft 42 is disposed on an output shaft of the transmission motor 37, and an axis of the output shaft of the transmission motor 37 is perpendicular to an axis of the output shaft of the third motor 33.
When the second locking block 21 is not inserted into the second locking groove 20, the distance between the upper end surface of the first circular support plate 28 and the upper end surface of the barrel-shaped base 1 is greater than zero.
The blowing unit comprises an annular chute 45, a self-propelled sliding block 46, a sliding rail 47, a sliding frame 48, an air port 49, a blower 50, an electric telescopic rod 51 and an image sensor 52;
the outer wall of the barrel-shaped base 1 is provided with an annular sliding groove 45, a self-propelled sliding block 46 is slidably arranged in the annular sliding groove 45, an annular central axis of the annular sliding groove 45 is overlapped with a central axis of the barrel-shaped base 1, a sliding rail 47 is arranged on the self-propelled sliding block 46, the guiding direction of the sliding rail 47 is parallel to the central axis of the barrel-shaped base 1, a sliding frame 48 which slides up and down is arranged on the sliding rail 47, an air opening 49 is arranged on the sliding frame 48, the air outlet end of the air opening 49 corresponds to a VR equipment wearer, the air inlet end of the air opening 49 is communicated with an air outlet 49 of an air blower 50 through a pipeline, and the air blower 50 is arranged on the self-propelled sliding block 46;
the self-propelled sliding block 46 is further provided with an electric telescopic rod 51, the telescopic end of the electric telescopic rod 51 is connected to the sliding frame 48, the telescopic direction of the electric telescopic rod 51 is parallel to the guiding direction of the sliding rail 47, one side of the sliding rail 47 is further provided with an image sensor 52 for acquiring data of the moving speed of a VR equipment wearer, and the signal output end of the image sensor 52 is electrically connected with the signal input end of the blower 50.
Working principle: when the VR device is needed to be used, the VR device wearer stands on the transfer tape 44 on the first walking platform unit and faces the transfer direction of the transfer tape 44, and wears the VR device at the same time, the VR device wearer walks on the transfer tape 44, and controls the transfer motor 37 to start through the control of the first controller due to the pressure change of the plurality of first pressure sensors 40 on the fourth support plate 38, when the forward path in the VR picture needs to be turned, one foot of the VR device wearer changes direction and steps on the third circular support plate 39, at this time, the pressure distribution of the plurality of first pressure sensors 40 changes, so that the transfer motor 37 is controlled to be turned off by the first controller, the VR device wearer continues to walk in the direction to be turned, and the other foot steps on the third circular support plate 39 on the first walking platform unit, the second pressure sensor 41 collects the pressure distribution of the foot of the VR equipment wearer in the direction of the direction, thereby the second controller controls the first motor 2 to rotate, the sleeve 4 is driven to rotate through the belt 3, the pushing block 7 moves in the arc-shaped groove 6 when the sleeve 4 rotates, when the sleeve 4 rotates by a certain angle, the pushing block 7 is attached to the side wall of the arc-shaped groove 6, the rotating shaft 5 is driven to rotate, thereby the first supporting plate 8 is driven to rotate, thereby the second walking platform unit, the second circular supporting plate 29 and the first circular supporting plate 28 are driven to rotate around the axis of the rotating shaft 5, the transmission direction of the conveying adhesive tape 44 of the second walking platform unit coincides with the direction to be turned by the VR equipment wearer, the VR equipment wearer continues to walk on the conveying adhesive tape 44 of the second walking platform unit, simultaneously the hydraulic cylinder 18 of the first locking component and the hydraulic cylinder 18 of the second locking component are started and retracted, the second locking block 21 is driven to move downwards out of the second locking groove 20, so that the first mounting column 14, the second mounting column 15 and the first rotating column 12 and the second rotating column 13 are unlocked, the second motor 9 is started to drive the second supporting plate 10 to rotate through the cooperation of the first locking groove 16 and the first locking block 17, so that the second walking platform unit moves to the position above the first rotating column 12, the third motor 33 is started, the conveying adhesive tape 44 of the second walking platform unit is driven to rotate to the conveying adhesive tape 44 of the VR equipment wearer facing the first walking platform unit, the reset of the VR equipment wearer can be realized, and meanwhile, the first pressure sensor 40 of the second walking platform unit is controlled to be started through the first controller 37, so that the VR equipment wearer can move on the conveying adhesive tape 44 of the second walking platform unit;
When jolting is required to be simulated, the hydraulic cylinder 18 of the first locking assembly and the hydraulic cylinder 18 of the second locking assembly are started to drive the second locking block 21 to extend into the second locking groove 20, and the hydraulic cylinder 18 is alternately started to ascend and descend, so that a VR equipment wearer on the conveying adhesive tape 44 can be driven to jolt up and down;
when the ramp needs to be simulated, the hydraulic cylinder 18 of the first locking assembly and the hydraulic cylinder 18 of the second locking assembly are started to drive the second supporting plate 10 to ascend, so that the first round supporting plate 28 is driven to ascend out of the upper end surface of the barrel-shaped base 1, the hydraulic cylinder 18 of the first locking assembly or the hydraulic cylinder 18 of the second locking assembly is continuously started, the first round supporting plate 28 can be driven to turn, and the ramp simulation of a VR equipment wearer is realized;
when the VR equipment wearer moves on the conveying adhesive tape 44 of the first walking platform unit or the second walking platform unit, the self-walking sliding block 46 and the electric telescopic rod 51 are started, the air port 49 is driven to correspond to the VR equipment wearer, the image sensor 52 collects the moving speed of the VR equipment wearer, the blower 50 is started, generated wind is blown out from the air port 49 to the VR equipment wearer, simulation of wind generated when the VR equipment wearer moves is achieved, and the image sensor 52 collects the moving speed of the VR equipment wearer to control the blower 50 so as to achieve adjustment of wind speed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (8)
1. The walking device based on the VR equipment is characterized by comprising a first walking platform unit, a second walking platform unit and a rotating support unit;
the rotary support unit is provided with an exchange unit for exchanging the positions of the first walking platform unit and the second walking platform unit, the exchange unit is rotatably provided with the first walking platform unit and the second walking platform unit, the rotation axis of the first walking platform unit is coincident with the rotation axis of the rotary support unit, and the rotation axis of the second walking platform unit is parallel to the rotation axis of the rotary support unit;
the rotating support unit is also provided with a blowing unit which moves annularly around the rotating axis of the rotating support unit, and an air outlet of the blowing unit corresponds to a VR equipment wearer on the first walking platform unit or the second walking platform unit;
The rotary supporting unit comprises a barrel-shaped base (1), a first motor (2), a belt (3), a sleeve (4), a rotating shaft (5), an arc-shaped groove (6), a pushing block (7) and a first supporting plate (8);
the novel barrel-shaped base comprises a barrel-shaped base body (1), and is characterized in that a rotating shaft (5) is arranged in the barrel-shaped base body (1) in a rotating mode, the axis of the rotating shaft (5) is coincident with the axis of the barrel-shaped base body (1), a first supporting plate (8) is arranged on the upper end face of the rotating shaft (5), an arc-shaped groove (6) is formed in the outer wall of the rotating shaft (5), the circle center of the arc-shaped section of the arc-shaped groove (6) is located the axis of the rotating shaft (5), a pushing block (7) is arranged in the arc-shaped groove (6), the arc length of the arc-shaped groove (6) is larger than the length of the pushing block (7), the pushing block (7) extends out of the arc-shaped groove (6) to be connected to a sleeve (4), the sleeve (4) is rotatably sleeved on the outer wall of the rotating shaft (5), and a first motor (2) is arranged in the barrel-shaped base body (1), and the first motor (2) is connected with the sleeve (4) through a belt (3).
2. The running gear based on VR device according to claim 1, wherein the exchanging unit comprises a second motor (9), a second supporting plate (10), a first through hole (11), a first rotating column (12), a second rotating column (13), a first mounting column (14), a second mounting column (15), a first locking groove (16), and a first locking block (17);
The upper end face of the first supporting plate (8) is provided with a second motor (9), the axis of an output shaft of the second motor (9) is parallel to the axis of the rotating shaft (5), the upper end face of the second motor (9) is provided with a first locking block (17), the first locking block (17) corresponds to a first locking groove (16), the first locking groove (16) is formed in the lower end face of the second supporting plate (10), the second supporting plate (10) is located above the first supporting plate (8), a first rotating column (12) is arranged between the first supporting plate (8) and the second supporting plate (10), a first through hole (11) penetrating through the upper end face and the lower end face of the rotating shaft (5) is formed in the rotating shaft (5), and the lower end face of the first rotating column (12) rotatably penetrates through the upper end face and the lower end face of the first supporting plate (8) and penetrates through the first through hole (11) in a rotating mode and is connected with the inner bottom wall of the barrel-shaped base (1).
The axis of the first rotating column (12) coincides with the axis of the rotating shaft (5), a second rotating column (13) is arranged above the first rotating column (12), the first rotating column (12) and the second rotating column (13) are connected through a first locking assembly, the upper end surface of the second rotating column (13) penetrates through the upper end surface and the lower end surface of the second supporting plate (10) and is rotationally connected with the second supporting plate (10), and the axis of the first rotating column (12) can coincide with the axis of the second rotating column (13);
The first mounting column (14) is arranged on the first supporting plate (8), the axis of the first mounting column (14) is parallel to the axis of the first rotating column (12), a second mounting column (15) is arranged above the first mounting column (14), the first mounting column (14) and the second mounting column (15) are connected through a second locking assembly, the second mounting column (15) is connected to the bottom end face of the second supporting plate (10), the axis of the output shaft of the second motor (9), the axis of the first mounting column (14) and the axis of the first rotating column (12) are on the same vertical plane, and the distance between the axis of the output shaft of the second motor (9) and the axis of the first mounting column (14) is equal to the distance between the axis of the output shaft of the second motor (9) and the axis of the first rotating column (12);
the second supporting plate (10) is rotatably provided with a first walking platform unit and a second walking platform unit.
3. The running gear based on VR device of claim 2, wherein the first locking component and the second locking component each comprise a hydraulic cylinder (18), a groove (19), a second locking groove (20), a second locking block (21), a rotating shaft (22), a sliding block (23), a torsion spring (24), a sliding rod (25), a sliding groove (26) and a spring (27);
The first rotating column (12) of the first locking assembly and the first mounting column (14) of the second locking assembly are provided with grooves (19), a hydraulic cylinder (18) is arranged in each groove (19), a rotating shaft (22) is arranged at the telescopic end of each hydraulic cylinder (18), the axis of each rotating shaft (22) is perpendicular to the axis of each first rotating column (12), each second rotating column (13) is rotationally connected with the corresponding rotating shaft (22) of the corresponding first locking assembly, each second mounting column (15) is rotationally connected with the corresponding rotating shaft (22) of the corresponding second locking assembly, each rotating shaft (22) is rotationally provided with a second locking block (21), each rotating shaft (22) is sleeved with a torsion spring (24), one end of each torsion spring (24) of the corresponding first locking assembly is connected with the corresponding first rotating column (12), the other end of each torsion spring (24) of the corresponding second locking assembly is connected with the corresponding second mounting column (15);
the second rotating column (13) of the first locking assembly and the second mounting column (15) of the second locking assembly are provided with second locking grooves (20), second locking blocks (21) can be inserted into the second locking grooves (20) and can slide in the second locking grooves (20), sliding grooves (26) are formed in the second rotating column (13) of the first locking assembly and the second mounting column (15) of the second locking assembly, sliding rods (25) are arranged in the sliding grooves (26) in a sliding mode, springs (27) are arranged in the sliding grooves (26), one ends of the springs (27) are connected with the sliding grooves (26), the other ends of the springs (27) are connected with the sliding rods (25), the sliding rods (25) can penetrate through the sliding grooves (26) and the second locking grooves (20) in a sliding mode, sliding blocks (23) are arranged on the extending sections of the second locking grooves (20) of the sliding rods (25), and the sliding blocks (23) are arranged in the second locking grooves (20) in a sliding mode;
The sliding direction of the sliding block (23) is perpendicular to the axial direction of the rotating shaft (22) and perpendicular to the axial direction of the second rotating column (13), and the sliding block (23) is positioned on one side of the second locking block (21) close to the second motor (9);
the distance between the second locking block (21) of the first locking assembly and the axis of the second motor (9) is equal to the distance between the second locking block (21) of the second locking assembly and the axis of the second motor (9);
when the second locking block (21) is not inserted into the second locking groove (20), the distance between the sliding block (23) and the side wall of the second locking groove (20) far away from the sliding groove (26) is a, the width of the second locking block (21) along the sliding direction of the sliding block (23) is b, and a is more than or equal to b.
4. A VR-device-based walking apparatus as set forth in claim 3, further comprising a first circular support plate (28), a second circular support plate (29), a second through hole (30), a third through hole (31), and a fourth through hole (32);
a first round supporting plate (28) parallel to the second supporting plate (10) is arranged above the second supporting plate, the outer wall of the first round supporting plate (28) can be attached to the inner side wall of the barrel-shaped base (1), a second through hole (30) penetrating through the upper end face and the lower end face of the first round supporting plate is formed in the first round supporting plate (28), a second round supporting plate (29) is rotationally arranged in the second through hole (30), and the axis of the second through hole (30) coincides with the axis of an output shaft of the second motor (9);
The second round supporting plate (29) is provided with a third through hole (31) and a fourth through hole (32) which penetrate through the upper end face and the lower end face of the second round supporting plate, the axis of the third through hole (31) coincides with the axis of the second rotating column (13), the axis of the fourth through hole (32) coincides with the axis of the second mounting column (15), the traveling end of the first traveling platform unit is rotationally connected in the third through hole (31), and the traveling end of the second traveling platform unit is rotationally connected in the fourth through hole (32).
5. The VR-device-based running gear of claim 4, wherein the first and second running platform units each include a third motor (33), a third support plate (34), a fifth through hole (35), a conveyor belt (36), a conveyor motor (37), a fourth support plate (38), a third circular support plate (39), a first pressure sensor (40), and a second pressure sensor (41);
the third motor (33) of the first walking platform unit is arranged on the upper end surface of the second rotating column (13), the axis of the output shaft of the third motor (33) of the first walking platform unit is coincident with the axis of the second rotating column (13), the third motor (33) of the second walking platform unit is arranged on the upper end surface of the second supporting plate (10), and the axis of the output shaft of the third motor (33) of the second walking platform unit is coincident with the axis of the second mounting column (15);
The output shaft of the third motor (33) is provided with a third supporting plate (34), the third supporting plate (34) is provided with a conveying belt (36) for supporting a VR equipment wearer to walk, the conveying direction of the conveying belt (36) is perpendicular to the axial direction of the output shaft of the third motor (33), the conveying belt (36) is powered by the conveying motor (37), a fourth supporting plate (38) for supporting the upper surface of the conveying belt (36) is arranged between the conveying belts (36), the fourth supporting plate (38) is connected to the third supporting plate (34), and the upper end surface of the fourth supporting plate (38) is attached to the lower end surface of the conveying belt (36);
the upper surface of the conveyor belt (36) is positioned in a fifth through hole (35), the fifth through hole (35) is formed in a third round supporting plate (39) and penetrates through the upper end face and the lower end face of the third round supporting plate, the upper end face of the conveyor belt (36) is level with the upper end face of the third round supporting plate (39), and the third round supporting plate (39) is connected to a fourth supporting plate (38);
the upper end face of the fourth supporting plate (38) is provided with a plurality of first pressure sensors (40) for collecting pressure distribution on the conveyor belt (36), the signal input end of each first pressure sensor (40) is in contact with the lower end face of the conveyor belt (36), the signal output end of each first pressure sensor (40) is electrically connected with the signal input end of a first controller, and the signal output end of each first controller is electrically connected with the signal input end of the corresponding conveyor motor (37);
The upper end face of the third round supporting plate (39) is embedded with a plurality of second pressure sensors (41) for collecting pressure distribution on the third round supporting plate (39), the signal input ends of the second pressure sensors (41) correspond to VR equipment wearers on the third round supporting plate (39), the signal output ends of the second pressure sensors (41) are electrically connected with the signal input ends of a second controller, the first signal output ends of the second controller are electrically connected with the signal input ends of a first motor (2), the second signal output ends of the second controller are electrically connected with the signal input ends of a second motor (9), the third signal output ends of the second controller are electrically connected with the signal input ends of a third motor (33), the third round supporting plate (39) of the first walking platform unit is rotatably connected in a third through hole (31), and the third round supporting plate (39) of the second walking platform unit is rotatably connected in a fourth through hole (32);
the maximum distance between the second pressure sensor (41) and the fifth through hole (35) is c, the length of the sole of the VR equipment wearer is d, and c is more than or equal to d;
When the VR equipment wearer is not standing in the traveling device, the conveying direction of the conveying belt (36) of the first traveling platform unit is overlapped with the conveying direction of the conveying belt (36) of the second traveling platform unit.
6. The VR-based equipment walking apparatus of claim 5 wherein said conveyor belt (36) comprises a first drive shaft (42), a second drive shaft (43), and a conveyor belt (44);
the first transmission shaft (42) and the second transmission shaft (43) are both rotatably arranged on the third support plate (34), a conveying adhesive tape (44) for supporting a VR equipment wearer to walk is connected between the first transmission shaft (42) and the second transmission shaft (43), the lower end surface of the conveying adhesive tape (44) is attached to the upper end surface of the fourth support plate (38), the upper end surface of the conveying adhesive tape (44) is flush with the upper end surface of the third circular support plate (39), and the lower end surface of the conveying adhesive tape (44) is in contact with the signal input end of the first pressure sensor (40);
the first transmission shaft (42) is arranged on an output shaft of the transmission motor (37), and the axis of the output shaft of the transmission motor (37) is perpendicular to the axis of the output shaft of the third motor (33).
7. The VR-based walking apparatus of claim 6, characterized in that the distance between the upper end surface of said first circular support plate (28) and the upper end surface of the barrel-shaped base (1) is greater than zero when said second locking block (21) is not inserted into the second locking groove (20).
8. The VR-device-based walking apparatus of claim 7, wherein the blowing unit comprises an annular chute (45), a self-propelled slider (46), a slide rail (47), a slide frame (48), a tuyere (49), a blower (50), an electric telescopic rod (51), and an image sensor (52);
an annular sliding groove (45) is formed in the outer wall of the barrel-shaped base (1), a self-propelled sliding block (46) is slidably arranged in the annular sliding groove (45), the annular central axis of the annular sliding groove (45) coincides with the central axis of the barrel-shaped base (1), a sliding rail (47) is arranged on the self-propelled sliding block (46), the guiding direction of the sliding rail (47) is parallel to the central axis of the barrel-shaped base (1), a sliding frame (48) sliding up and down is arranged on the sliding rail (47), an air opening (49) is formed in the sliding frame (48), the air outlet end of the air opening (49) corresponds to a VR equipment wearer, the air inlet end of the air opening (49) is communicated with the air outlet (49) of a blower (50) through a pipeline, and the blower (50) is arranged on the self-propelled sliding block (46);
The self-propelled sliding block (46) is further provided with an electric telescopic rod (51), the telescopic end of the electric telescopic rod (51) is connected to the sliding frame (48), the telescopic direction of the electric telescopic rod (51) is parallel to the guiding direction of the sliding rail (47), one side of the sliding rail (47) is further provided with an image sensor (52) for acquiring data of the moving speed of a VR equipment wearer, and the signal output end of the image sensor (52) is electrically connected with the signal input end of the air blower (50).
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