Traffic environment vehicle on-line safety detection teaching experiment device

Abstract

The utility model relates to the technical field of vehicle safety detection teaching experiments, and provides a traffic environment vehicle on-line safety detection teaching experiment device, which comprises a vehicle main body, two bases symmetrically arranged below the vehicle main body, tracks arranged at the tops of the bases, and two groups of first through holes symmetrically arranged at the tops of the bases, a second through hole corresponding to the first through hole is formed in the rail. The rail can be fixed by connecting the bolt rod with the threaded sleeve, then the rotating shaft rod is rotated to drive the two magnetic strips to rotate, the positions of the two magnetic strips are exchanged, the two magnetic strips are magnetically repelled with the corresponding set of magnetic blocks respectively, and then the two sets of pin column rods extend out of the stepped grooves to move towards the outside of the bolt rod. And the pin rod located in the threaded sleeve abuts against the inner wall of the threaded sleeve, and the pin rod located outside protrudes to limit vertical movement of the bolt rod, so that the effect of reinforcing and preventing looseness of the bolt rod is achieved, and the installation effect and stability of the rail are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle detection teaching experiment technical field, concretely relates to a traffic environment vehicle online safety detection teaching experiment device. BACKGROUND

[0002] Traffic environment is the sum of all external influences and forces acting on road traffic participants. The current traffic subway vehicle is installed with information detection system according to relevant regulations, and the content of its detection includes traction, braking, auxiliary system and the like. Safety monitoring is carried out on vehicle operation, the state in the process of vehicle operation is grasped in time, and more accurate and reasonable mode is adopted to carry out system maintenance and ensure vehicle operation quality, which is necessary work for urban traffic development.

[0003] It is known that the authorized patent with application number CN202322857261.2 discloses a kind of urban rail vehicle online safety detection teaching experiment device, and its background technology proposes the problem that "most of the track in the existing rail vehicle online safety detection teaching experiment device is integrated structure, in turn, it leads to the whole device is relatively inconvenient when disassembling, and the practicability is poor", therefore, the technical scheme for solving this problem of the scheme is "including rail vehicle main body, the bottom side of rail vehicle main body is equipped with connecting seat, and the connecting seat is distributed with base below, the top of base is equipped with track, and the bottom side of track is equipped with slot, the bottom of slot is connected with threaded sleeve" and the like.

[0004] However, in the implementation of related technology, it is found that the above technical scheme has the following problems: although the technical scheme provided by it realizes the effect that track and base are conveniently disassembled, but it is inconvenient to reinforce and prevent loosening of threaded rod when in use, and it is installed through positioning structure cooperating with threaded rod and threaded sleeve, in the process of daily use, track will be subjected to vibration force generated by vehicle and transmitted to threaded rod, and long-term use can cause threaded rod to loosen, thereby reducing the installation effect and stability of track. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of urban rail vehicle online safety detection teaching experiment device, solve the problem of inconvenient to reinforce and prevent loosening of threaded rod in the related art.

[0006] The technical scheme of the utility model is as follows: a kind of urban rail vehicle online safety detection teaching experiment device, comprising: vehicle main body and the two bases symmetrically arranged below it, the top of base is symmetrically equipped with two groups of through holes one;

[0007] Track arranged on the top of base, through hole two corresponding with through hole one is opened on the track;

[0008] Two connecting seats symmetrically fixedly installed at the bottom of the vehicle body and slidingly matched with the rails;

[0009] A threaded sleeve fixedly installed in the through hole;

[0010] A bolt rod threadedly connected in the threaded sleeve, an inner cavity being formed in the bolt rod, and two groups of stepped slots being symmetrically formed in the inner wall of the inner cavity;

[0011] A pin rod slidingly connected in the stepped slots;

[0012] A rotating mechanism arranged in the inner cavity of the bolt rod and matched with the pin rod, the pin rod being telescopically moved by the rotating mechanism to extend into or out of the stepped slots.

[0013] Preferably, the rotating mechanism comprises a rotating shaft rod rotatably connected to the bottom wall of the inner cavity of the bolt rod, two magnetic strips symmetrically embedded on the surface of the rotating shaft rod and having opposite magnetic properties, two magnetic blocks embedded on the opposite ends of the two groups of pin rods and having opposite magnetic properties, and a limiting component arranged on the rotating shaft rod for limiting the rotation of the rotating shaft rod, the two magnetic blocks being respectively and magnetically connected with the two magnetic strips, and a recess being formed in the top of the rotating shaft rod.

[0014] Preferably, the limiting component comprises a spring one fixedly installed in the recess of the rotating shaft rod, a sliding block fixedly connected to the top end of the spring one and slidingly matched with the recess, a connecting rod fixedly connected to the top of the sliding block and penetrating through the bolt rod, and a rotating block fixedly connected to the top end of the connecting rod, a slot being formed in the top end of the bolt rod and matched with the rotating block, and a through slot being formed in the inner bottom wall of the slot and penetrating through the connecting rod.

[0015] Preferably, a positioning mechanism is arranged between the base and the rail, the positioning mechanism being used for aligning the through hole one and the through hole two.

[0016] Preferably, the positioning mechanism comprises a positioning column fixedly installed on the top of the base, and a locking component arranged on the rail and used for fixing the positioning column, an insertion hole being formed in the surface of the positioning column, and a plurality of positioning slots being formed in the bottom of the rail and matched with the positioning column, and a movable slot being formed in the inner wall of the positioning slot.

[0017] Preferably, the locking component comprises an insertion rod slidingly connected in one end of the inner wall of the movable slot and matched with the insertion hole, a limiting plate fixedly installed on the surface of the insertion rod, a spring two sleeved on the surface of the insertion rod and having two ends respectively connected with the limiting plate and the movable slot, and a pulling plate fixedly installed on one end of the plurality of insertion rods, the other end of the insertion rod being in arc shape.

[0018] Preferably, a buffer washer is sleeved on the surface of the bolt rod, the buffer washer being made of rubber material.

[0019] The working principle and beneficial effects of the utility model are as follows:

[0020] When in use, the rail can be fixed by connecting the bolt rod with the threaded sleeve, then the two magnetic strips are rotated by rotating the rotating shaft rod, the positions of the two magnetic strips are exchanged, the two magnetic strips repel each other, the two groups of pin column rods move out of the stepped grooves to the outside of the bolt rod, the pin column rods in the threaded sleeve abut against the inner wall, the pin column rods outside protrude to limit the vertical movement of the bolt rod, thus the bolt rod is reinforced to prevent loosening, the bolt rod is prevented from loosening due to vibration, the connection strength of the bolt rod and the threaded sleeve is ensured, and the installation effect and stability of the rail are effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be explained in further detail below in combination with the drawings and specific embodiments.

[0022] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0023] Figure 2 It is the sectional three-dimensional structure schematic diagram of the base of the utility model;

[0024] Figure 3 It is the sectional three-dimensional structure schematic diagram of the rail of the utility model;

[0025] Figure 4 It is the local three-dimensional structure schematic diagram of the bolt rod of the utility model;

[0026] Figure 5 It is the local three-dimensional structure schematic diagram of the bolt rod of the utility model; Figure 2

[0027] Figure 6 It is the local three-dimensional structure schematic diagram of the bolt rod of the utility model; Figure 2

[0028] Figure 7 It is the local three-dimensional structure schematic diagram of the bolt rod of the utility model; Figure 3

[0029] In the drawing: 1, vehicle main body; 2, base; 3, rail; 4, connecting seat; 5, threaded sleeve; 6, bolt rod; 7, pin column rod; 8, rotating shaft rod; 9, magnetic strip; 10, magnetic block; 11, spring one; 12, sliding block; 13, connecting rod; 14, rotating block; 15, positioning column; 16, plug-in rod; 17, limiting plate; 18, spring two; 19, pulling plate; 20, buffer washer. DETAILED DESCRIPTION

[0030] ​​​The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present application.

[0031] Embodiment one

[0032] Please refer to Figure 1 Figure 4 The utility model provides a kind of traffic environment vehicle online safety detection teaching experiment device, it include: vehicle main body 1 and the two pedestals 2 of symmetrically being arranged in its below, the top of pedestal 2 is symmetrically provided with two groups of through holes one;

[0033] Track 3 is arranged on the top of pedestal 2, and the through hole two corresponding with through hole one is opened in track 3;

[0034] Two connecting seats 4 of symmetrically fixed installation are slidably matched with track 3 in the bottom of vehicle main body 1;

[0035] Threaded sleeve 5 is fixedly installed in through hole one;

[0036] Bolt rod 6 is screw-connected in threaded sleeve 5, and the inner cavity is opened in bolt rod 6, and the inner wall of inner cavity is symmetrically provided with two groups of stepped grooves;

[0037] Pin column rod 7 is slidably connected in stepped groove;

[0038] And rotating mechanism is arranged in the inner cavity of bolt rod 6 and matched with pin column rod 7, and pin column rod 7 is made telescopic motion to extend or enter the inside of stepped groove by rotating mechanism.

[0039] Rotating mechanism includes rotating shaft rod 8 that is rotatably connected in the inner cavity of bolt rod 6, two magnetic strips 9 that are symmetrically embedded in the surface of rotating shaft rod 8 and opposite in magnetism, magnetic block 10 that is embedded in the opposite end of two groups of pin column rod 7 and opposite in magnetism, and limiting component for limiting the rotation of rotating shaft rod 8, two groups of magnetic blocks 10 are respectively magnetically connected with two magnetic strips 9, and the top of rotating shaft rod 8 is provided with recess.

[0040] ​The technical scheme provided by the embodiment is as follows: in use, the track 3 is installed on the base 2, then the vehicle body 1 is connected with the track 3 through the connecting seat 4, and the vehicle body 1 can move along the track 3 because the connecting seat 4 is internally provided with the rollers. When the track 3 is installed, the track 3 is placed on the base 2, the through hole one and the through hole two are aligned, and the two magnetic strips 9 are respectively adsorbed to the corresponding one group of magnetic blocks 10 on the two sides, so that the pin column rod 7 is received in the stepped groove table and is in contact with the rotating shaft rod 8, at this time, the outer wall of the bolt rod 6 is in a light rod state, so that the bolt rod 6 can be inserted into the through hole one and the through hole two, then the bolt rod 6 is connected with the threaded sleeve 5 by rotating, so that the track 3 can be fixed, after the bolt rod 6 and the threaded sleeve 5 are connected, the position angle of the bolt rod 6 is fixed, at this time, the rotating shaft rod 8 is released from the limiting of the limiting component, and the rotating shaft rod 8 is rotated by one hundred and eighty degrees to drive the two magnetic strips 9 to rotate, so that the positions of the two magnetic strips 9 are exchanged, after rotating, the rotating shaft rod 8 is limited by the limiting component again, at this time, the magnetic poles of the two magnetic strips 9 and the corresponding one group of magnetic blocks 10 are the same, so that, based on the principle that the same magnetic properties repel each other, the two groups of pin column rods 7 can be moved out of the stepped groove to the outside of the bolt rod 6, so that the pin column rod 7 in the threaded sleeve 5 is tightly pressed against the inner wall, and the pin column rod 7 outside is protruding to limit the vertical movement of the bolt rod 6, so that the effect of reinforcing and preventing loosening of the bolt rod 6 is realized, the loosening of the bolt rod 6 caused by vibration is avoided, the connection strength of the bolt rod 6 and the threaded sleeve 5 is ensured, and the installation effect and stability of the track 3 are effectively improved.

[0041] Further, the limiting component comprises a spring one 11 fixedly installed on the bottom wall of the groove of the rotating shaft rod 8, a sliding block 12 fixedly connected to the top end of the spring one 11 and sliding with the groove, a connecting rod 13 fixedly connected to the top of the sliding block 12 and penetrating through the bolt rod 6, and a rotating block 14 fixedly connected to the top end of the connecting rod 13, and the top end of the bolt rod 6 is provided with a slot groove matched with the rotating block 14 for clamping, and the inner bottom wall of the slot groove is provided with a through groove for the connecting rod 13 to penetrate through.

[0042] Specifically, when the rotating shaft rod 8 is rotated, the rotating block 14 is separated from the slot groove by moving upward, the sliding block 12 is driven to move upward by the connecting rod 13 to stretch the spring one 11, then the rotating block 14 is rotated by one hundred and eighty degrees, the rotating shaft rod 8 is driven to rotate by the connecting rod 13 and the sliding block 12, so that the positions of the two magnetic strips 9 are exchanged, the rotating block 14 is released after rotating, the sliding block 12 and the connecting rod 13 are reset by the spring one 11, so that the rotating block 14 is clamped into the slot groove to limit the rotating shaft rod 8, preventing the pin column rod 7 from accidentally rotating when locking the bolt rod 6, and facilitating the maintenance of the fastening effect.

[0043] Further, the base 2 and the track 3 are provided with a positioning mechanism, and the positioning mechanism is used to align the through hole one and the through hole two.

[0044] The positioning mechanism comprises a positioning column 15 fixedly installed on the top of the base 2, and a locking component arranged on the track 3 and used for fixing the positioning column 15, the surface of the positioning column 15 is provided with a insertion hole, the bottom of the track 3 is provided with a plurality of positioning grooves which are inserted with the positioning column 15, and the inner wall of the positioning groove is provided with a movable slot.

[0045] The locking component comprises an insertion rod 16 penetratingly connected with one end of the inner wall of the movable slot and inserted with the insertion hole, a limiting plate 17 fixedly installed on the surface of the insertion rod 16, a spring 18 sleeved on the surface of the insertion rod 16 and connected with the limiting plate 17 and the movable slot at two ends respectively, and a pulling plate 19 fixedly installed at one end of the plurality of insertion rods 16, and the other end of the insertion rod 16 is in an arc shape.

[0046] Specifically, when the track 3 is installed and positioned, the track 3 is butted with the base 2, the positioning column 15 is inserted into the positioning groove, the insertion rod 16 is contacted with and extruded by the positioning column 15, the insertion rod 16 is moved into the movable slot, the spring 18 is extruded by the limiting plate 17, the through hole one and the through hole two are aligned when the track 3 is butted with the base 2, the subsequent connecting bolt rod 6 is facilitated, the insertion rod 16 is aligned with the insertion hole and is reset into the insertion hole by the spring 18, the positioning column 15 is limited and fixed, the track 3 is preliminarily positioned and fixed, the track 3 is disassembled in the later period, the bolt rod 6 is disassembled, the insertion rod 16 is separated from the insertion hole by moving the pulling plate 19, and the track 3 is moved to separate the positioning column 15 from the positioning groove.

[0047] Embodiment two

[0048] Based on the embodiment one, in the embodiment, the surface of the bolt rod 6 is sleeved with a buffer washer 20, and the buffer washer 20 is made of rubber.

[0049] The technical scheme provided by the embodiment is that the buffer washer 20 is arranged, the buffer washer 20 is sleeved on the bolt rod 6 when the bolt rod 6 is connected, the buffer washer 20 is closely attached to the track 3 when the bolt rod 6 is connected with the threaded sleeve 5, the vibration force borne by the bolt rod 6 is buffered by the elasticity of the buffer washer 20, the influence of the vibration on the bolt rod 6 is reduced, the connection firmness and stability of the bolt rod 6 are ensured, and the installation effect of the track 3 is further improved.

[0050] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection range of the utility model.

Claims

1. A traffic environment vehicle online safety detection teaching experiment device, characterized in that, The utility model provides a vehicle body (1) and the two pedestals (2) of symmetry set below it, the top of the pedestal (2) symmetry is provided with two groups of through -hole one; The track (3) is arranged on the top of the pedestal (2), and the track (3) is provided with through -hole two corresponding to through -hole one; Two connecting seats (4) are symmetrically fixedly installed on the bottom of the vehicle body (1) and are matched with the track (3) to slide; The threaded sleeve (5) is fixedly installed in the through -hole one; The bolt rod (6) is screwed in the threaded sleeve (5), the inner cavity is formed in the bolt rod (6), the inner wall of the inner cavity is symmetrically provided with two groups of stepped grooves; The pin column rod (7) is slidably connected in the stepped groove; And the rotating mechanism is arranged in the inner cavity of the bolt rod (6) and is matched with the pin column rod (7), the pin column rod (7) is made to extend or retract into the stepped groove by the rotating mechanism to extend or retract. The rotating mechanism includes a rotating shaft rod (8) rotatably connected to the inner wall of the inner cavity of the bolt rod (6), two magnetic strips (9) symmetrically embedded on the surface of the rotating shaft rod (8) and magnetically opposite, magnetic blocks (10) embedded on the opposite ends of the two pin column rods (7) and magnetically opposite, and a limiting component arranged on the rotating shaft rod (8) for limiting the rotation thereof, the two magnetic blocks (10) are respectively magnetically connected with the two magnetic strips (9), and the top of the rotating shaft rod (8) is provided with a recess.

2. The traffic environment vehicle online safety detection teaching experiment device according to claim 1, characterized in that, The limiting component includes a spring one (11) fixedly installed on the bottom wall of the recess of the rotating shaft rod (8), a sliding block (12) fixedly connected to the top end of the spring one (11) and slidably connected with the recess, a connecting rod (13) fixedly connected to the top of the sliding block (12) and penetrating through the bolt rod (6), and a rotating block (14) fixedly connected to the top end of the connecting rod (13), the top end of the bolt rod (6) is provided with a slot matched with the rotating block (14), and the inner bottom wall of the slot is provided with a through groove for the connecting rod (13) to penetrate.

3. The traffic environment vehicle online safety detection teaching experiment device according to claim 2, characterized in that, The positioning mechanism is arranged between the pedestal (2) and the track (3), and is used for aligning the through -hole one and the through -hole two.

4. The traffic environment vehicle online safety detection teaching experiment device according to claim 1, characterized in that, The positioning mechanism includes a positioning column (15) fixedly installed on the top of the pedestal (2), and a locking component arranged on the track (3) for fixing the positioning column (15), the surface of the positioning column (15) is provided with a bushing, the bottom of the track (3) is provided with a plurality of positioning grooves matched with the positioning column (15), and the inner wall of the positioning groove is provided with a movable groove.

5. The traffic environment vehicle online safety detection teaching experiment device according to claim 4, characterized in that, The locking component includes a plug-in rod (16) slidably connected to one end of the inner wall of the movable groove and inserted into the bushing, a limiting plate (17) fixedly installed on the surface of the plug-in rod (16), a spring two (18) sleeved on the surface of the plug-in rod (16) and connected with the limiting plate (17) and the movable groove at both ends, and a pulling plate (19) fixedly installed on one end of the plurality of plug-in rods (16), the other end of the plug-in rod (16) is in the shape of a circular arc.

6. The traffic environment vehicle online safety detection teaching experiment device according to claim 5, characterized in that, The surface of the bolt rod (6) is sleeved with a buffer washer (20), and the buffer washer (20) is made of rubber material.

7. The traffic environment vehicle online safety detection teaching experiment device according to claim 1, characterized in that, ​

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