CN212016748U - Hurdle frame and hurdle training track adopting same - Google Patents

Abstract

The utility model belongs to a sports apparatus, in particular to a hurdle frame and a hurdle training track adopting the hurdle frame, which comprises a base, a telescopic rod and an air bag, wherein the telescopic rod comprises a basic sleeve and a telescopic sleeve which are mutually sleeved, the air bag is arranged at the end part of the telescopic sleeve, an inflating device for inflating and deflating the air bag is arranged in the base, the basic sleeve is arranged on the base in a sliding way, the base is sequentially provided with a connecting block and a fixed plate towards one side of the telescopic rod, the fixed plate is positioned in the telescopic rod, the telescopic rod is provided with a groove which corresponds to the connecting block and has a downward opening, the basic sleeve and the telescopic sleeve are internally provided with racks along the corresponding positions in the length direction, the fixed plate is provided with a driving device, the driving, the first motor drives the first gear and the elastic piece enables the first gear and the rack to be always meshed.

Description

Hurdle frame and hurdle training track adopting same

Technical Field

The utility model belongs to a sports apparatus, in particular to a hurdle frame and a hurdle training track adopting the hurdle frame.

Background

The hurdle running is a sprint item with strong technical performance, which strides over hurdles with specified height and quantity in a certain distance, and belongs to one of track and field sports. The international competition men are 110 m high hurdles, 106cm high hurdles and 10 hurdles; the girls are 100 meters in the low hurdle, 84 centimeters in the high hurdle and 10 hurdles.

The hurdle of striding arranges at present, need move the hurdle to corresponding runway, need measure the distance between each hurdle simultaneously, arrange process and loaded down with trivial details, seriously extravagant manpower and time cost, and the hurdle of striding that can arrange voluntarily that someone proposed at present has following shortcoming: 1, the arrangement device is arranged outside a runway, and the hurdle running of athletes is influenced. 2, the layout device is arranged on the surface of the runway and is difficult to remove, so that the runway can only be used for hurdling running and cannot be used for other sports.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can hide with the runway in, and the hurdle that strides that area occupied is little and adopt this hurdle of striding hurdle strides hurdle training course.

The utility model comprises a base, a telescopic rod and an air bag, wherein the telescopic rod comprises a base sleeve and a telescopic sleeve which are mutually sleeved, the air bag is arranged at the end part of the telescopic sleeve, an inflating device for inflating and deflating the air bag is arranged in the base, the basic sleeve is arranged on the base in a sliding way, the base is provided with a connecting block and a fixed plate in sequence towards one side of the telescopic rod, the fixed plate is positioned in the telescopic rod, the telescopic rod is provided with a groove which corresponds to the connecting block and has a downward opening, the base sleeve pipe and the telescopic sleeve pipe are internally provided with racks at corresponding positions along the length direction, the fixed plate is provided with a driving device for driving the telescopic sleeve pipe to move along the base sleeve pipe and the base sleeve pipe to move along the base, the driving device comprises a first gear arranged on the fixed plate, a first motor for driving the first gear and an elastic piece, and the elastic piece enables the first gear and the racks to be always kept meshed.

Furthermore, the driving device further comprises a driving rack arranged on the fixing plate, the elastic part is a telescopic wheel frame which is arranged on the driving rack and arranged towards the rack, the first gear is arranged on the driving rack through the telescopic wheel frame, a driving belt pulley is further arranged on the first gear output shaft, the first motor is arranged on the driving rack, a driving belt pulley is arranged on the output shaft, the first motor is connected with the first gear through a belt, and an elastic tensioning wheel is further arranged on the driving rack.

Furthermore, the first motor is slidably disposed on the fixing plate, the elastic member is a spring, one end of the spring is disposed on the first motor, and the other end of the spring is disposed on the fixing plate.

Furthermore, the telescopic sleeves are provided with 2 sections, and the length of the basic sleeve is more than or equal to that of each telescopic sleeve.

Furthermore, a rack leading-in portion is arranged on one side, close to the base sleeve, of the rack on the telescopic sleeve, and one end, away from the base sleeve, of the rack leading-in portion is flush with the rack and becomes thinner gradually towards the other end.

Furthermore, a limiting device is arranged between the sleeves of the telescopic rod and comprises positioning grooves arranged at the inner upper ends of the basic sleeve and the telescopic sleeve and elastic positioning blocks arranged at the outer lower ends of the telescopic sleeves and corresponding to the positioning grooves.

Furthermore, the lower end of the positioning groove is provided with a guide bevel edge.

The utility model also provides a hurdle training track, including the runway, runway one side is provided with a plurality of and strides the hurdle mounting groove, strides and is provided with in the hurdle mounting groove and strides the hurdle, strides the hurdle mounting groove including setting up the base mounting groove in the runway and set up in base mounting groove one side and run through the surface stride the hurdle hide the groove, strides the hurdle hide the groove unanimously with basic sleeve pipe cross sectional shape, strides the hurdle and hide the groove depth degree and be greater than basic sheathed tube length, still can dismantle on striding the hurdle mounting groove and be provided with the shop cover piece.

The utility model has the advantages that the cross frame is realized by the air bag, the basic sleeve is arranged on the base in a sliding way, the telescopic sleeve is arranged in the basic sleeve in a sliding way, the basic sleeve can be driven by a driving device to extend and contract relative to the base and the telescopic sleeve and between the telescopic sleeves, the runway with the hidden groove of the hurdle frame is designed in a matching way, the telescopic rod and the air bag can be well hidden in the runway, meanwhile, the hurdle frame is conveniently arranged on the runway, the basic sleeve and the telescopic sleeve are internally provided with racks, the driving device is arranged on the fixed plate, the complete extension and the complete hiding of the telescopic rod can be realized by the first motor, the control is convenient, simultaneously, because the driving device is arranged on the fixed plate, the fixed bottom plate is fixed by the connecting block base, the stability of the driving device is ensured, when the hurdle frame is arranged or hidden, drive arrangement's position all remains unchanged, improve drive arrangement's life, reduce the trouble production rate, all be provided with opening fluting down between basic sleeve pipe and each telescopic tube, the fluting cooperatees with the connecting block, both provide the space for concertina movement, provide spacing conduct when hiding for the telescopic frame simultaneously, and simultaneously, drive arrangement sets up in the telescopic link, but ensure to stride the cross-sectional area minimizing that hurdle hidden the groove, reduce the runway to the transformation size of hurdle, the telescopic link adopts basic sleeve pipe and telescopic tube, wherein telescopic tube can be for 1 section or multisection, very big reduction has shortened the required length of basic sleeve pipe, reduce the degree of depth of hurdle hiding the groove, further reduce the runway to the transformation of hurdle.

The elastic piece of the driving device is a telescopic wheel carrier which is arranged on the driving rack and faces the rack, so that the first gear can be always meshed with one of the first rack, the second rack and the third rack, meanwhile, the first motor and the first gear are in belt transmission, and the meshing of the belt is kept by matching with the elastic tensioning wheel, the meshing stability of the first gear and the rack is integrally guaranteed, the first motor is always in a stable state, the service life is prolonged, and the fault occurrence rate is reduced.

In another mode, the first motor is arranged on the fixing plate in a sliding mode, the elastic piece is a spring, one end of the spring is arranged on the first motor, the other end of the spring is arranged on the fixing plate, the structure is simple, and the first gear can be guaranteed to be meshed with one of the first rack, the second rack and the third gear all the time.

The telescopic tube is provided with 2 sections, and when the length of the basic tube is reduced as much as possible, the connection stability is ensured.

The rack on the telescopic tube is close to basic sleeve pipe one side and is provided with rack guide-in portion, rack guide-in portion deviates from basic sleeve pipe one end and rack parallel and level to towards basic sleeve pipe taper, guarantee first gear when basic sleeve pipe to telescopic tube transition or telescopic tube each section transition, the switching of first gear and each rack is smooth.

A limiting device is arranged between the sleeves of the telescopic rod, so that the sleeves can be positioned and fixed after being stretched, and the stretching and fixing are facilitated.

The utility model also provides a hurdle training track with the hurdle frame, one side of the runway is provided with a plurality of hurdle frame mounting grooves, a hurdle frame is arranged in each hurdle frame mounting groove, each hurdle frame mounting groove comprises a base mounting groove arranged in the runway and a hurdle frame hiding groove arranged on one side of the base mounting groove and penetrating through the surface of the runway, the hurdle frame can be automatically arranged and hidden by a driving device and an inflating device, when hidden setting is carried out, the whole hurdle frame is positioned in the hurdle frame mounting groove, the covering speed is arranged on the hurdle frame mounting groove, the runway can be recovered to be a common runway for other sports training, and because the upright post of the hurdle frame is arranged through the basic sleeve and the telescopic sleeve, and the telescopic tube is hidden in the basic sleeve, so that the depth of the hurdle hiding groove can be set shallow, and the runway hurdle is very convenient and quick to arrange and hide.

Drawings

Fig. 1 is a schematic structural view of the midspan hurdle of the present invention.

Fig. 2 is a schematic structural view of the middle moving frame and the driving device of the present invention.

Fig. 3 is a schematic structural diagram of the middle driving device of the present invention.

Fig. 4 is a front sectional view of the middle telescopic wheel frame of the present invention.

Fig. 5 is a close-up view (with the tensioner pulley hidden) at a of fig. 3.

Fig. 6 is a schematic view of a use state of the driving device of the present invention.

Fig. 7 is a left side view of the first sleeve of the present invention.

Fig. 8 is a sectional view taken along line B-B in fig. 7.

Fig. 9 is a partial enlarged view at C in fig. 8.

Fig. 10 is a cross-sectional view of a mid-span hurdle of the present invention.

Fig. 11 is a partial enlarged view of fig. 10 at D.

Fig. 12 is a partial enlarged view at E in fig. 10.

Fig. 13 is a schematic view of the contracted state of the midspan hurdle (hidden horizontal frame).

Fig. 14 is a schematic view of the usage state of the present invention.

Fig. 15 is a schematic view of the usage status of the hidden runway according to the present invention.

Fig. 16 is a top view of the runway according to the present invention.

Fig. 17 is a schematic view of the state that the midspan hurdle is hidden in the runway.

Fig. 18 is a front sectional view of the mid-span hurdle of the present invention hidden in the runway.

Fig. 19 is a partial enlarged view at F in fig. 18.

In the figure, 1, hurdle; 11. a base; 111. a frame body; 112. a guide block; 113. a second motor; 114. a second gear; 115. a side plate; 116. an opening; 117. an inflator; 118. a fixing plate; 119. connecting blocks; 12. a telescopic rod; 121. a base sleeve; 1211. a guide groove; 1212. a first slot; 1213. a limiting block; 1214. a fourth rack; 1215. a first rack; 122. a first telescopic tube; 1221. a second slot; 1222. a second rack; 123. a second telescopic tube; 1231. a third slot is formed; 1232. a third rack; 124. a rack introduction part; 125. positioning a groove; 1251. a hypotenuse guide; 126. an elastic positioning block; 13. a drive device; 131. a drive chassis; 132. a telescopic wheel carrier; 1321. a first wheel carrier; 1322. a second wheel carrier; 1323. a first spring positioning post; 1324. a first spring; 133. a first gear; 134. a drive pulley; 135. a first motor; 136. a drive pulley; 137. a guide wheel; 138. a tensioner pulley; 139. a chute; 1310. a wheel carrier; 1311. a sliding groove; 1312. a slider; 1313. a second spring positioning post; 1314. a second spring; 1315. a belt; 14. a cross frame; 141. a fixed head; 142. a third spring; 143. an air bag; 2. a runway; 21. a moving groove; 22. the hurdle frame hiding groove; 23. a limiting step; 24. paving a covering block; 3. a movable frame; 31. a roller; 311. a bottom roller; 312. a side roller; 32. a first wire rewinding device; 321. a take-up motor; 322. a take-up pulley; 323. a first rope; 4. a second wire rewinding device; 41. a second rope.

Detailed Description

As shown in fig. 1-19, the utility model provides a hurdle frame 1, including base 11, telescopic link 12 and crossbearer 14, telescopic link 12 includes basic sleeve 121 and the telescopic tube that cup joints each other, the telescopic tube can be 1 section or multisection, the utility model discloses in, the telescopic tube is provided with 2 sections, including the first telescopic tube 122 that cup joints with basic sleeve 121 and the second telescopic tube 123 that cup joints with first telescopic tube 122, 2 sections telescopic tube and the biggest expansion length of basic sleeve 121 are 100 plus 120cm, even if crossbearer 14 apart from 2 surface height of runway and standard hurdle frame height unanimity, man stride hurdle match hurdle height 106 cm; the girl is 84cm high. In this embodiment, the multiple sections of telescopic tubes can be retracted into the base tube 121, so as to ensure that the length of the base tube 121 is within 40-50cm, and reduce the depth of the hidden slot 22 of the hurdle frame of the runway 2, thereby ensuring that the hurdle frame 1 can be hidden in the runway 2 well, and ensuring that the modification of the hurdle frame 1 corresponding to the runway 2 is not too large, thereby reducing the manufacturing difficulty, wherein the base tube 121 is slidably disposed on the base 11, as shown in fig. 1 and 2, two sides of one side of the base 11 are provided with the guide blocks 112 in an extending manner, the opposite side of the outer wall of the base tube 121 is provided with the guide slot 1211 corresponding to the guide block 112, the base tube 121 can slide up and down along the guide slot 1211, and the guide slot 1211 is a trapezoidal slot or a dovetail slot to limit the freedom of movement of the base tube 121 in other directions, the telescopic rod 12 is internally provided with the driving device 13 for driving the telescopic tube to, the driving device 13 can ensure that the multiple telescopic pipes are completely contracted into the base pipe 121, the base pipe 121 descends along the base 11, so that the whole telescopic rod 12 is positioned at the lower end of the base 11, and can also ensure that the multiple telescopic pipes are completely expanded, the base pipe 121 ascends along the base 11, so that the whole telescopic rod 12 is positioned at the upper end of the base 11, further the cross frame 14 positioned on the tail telescopic pipe can be away from the surface of the runway 2 by a certain distance, so as to ensure the qualification of the hurdle frame, the driving device 13 is arranged on the fixing plate 118, the fixing plate 118 is fixedly connected with the base 11 through the connecting block 119, in the whole process of arranging and hiding the telescopic rods, the base 11 and the driving device 13 are in a position fixing state, the driving device 13 is positioned on the fixing plate 118, so as to reduce the fault rate of the driving device 13, and meanwhile, the positions of the base pipe 121, the first telescopic pipe 122 and the second telescopic pipe 122, The second slot 1221 and the third slot 1231 provide a space for the extension and retraction of the telescopic rod 12, and the top of the slot has a limiting function when the telescopic rod 12 is retracted, so as to prevent excessive downward movement and mutual detachment, the cross frame 14 includes a fixing head 141 disposed at the end of the telescopic tube and an air bag 143 connected to the fixing head 141, the base 11 is provided with an inflating device 117, the inflating device 117 is connected to the air bag 143 through an air tube for inflating and deflating the air bag 143, wherein the air tube is provided with an electromagnetic valve for closing the inflating device 117 after the air bag 143 is inflated, and controlling the electromagnetic valve to close the air tube to prevent air leakage after the air bag 143 is inflated, the utility model changes the traditional hurdle rod into the air bag 143, which can ensure that a sportsman has a certain reference object during hurdle training, determines whether the sportsman touches the hurdle rod, and is not likely to touch the hurdle rod by the sportsman, the whole hurdle frame is knocked down, so that the hurdle frame needing to be lifted up and toppled down in a reciprocating mode during training is avoided, meanwhile, the hurdle rod is arranged to be the air bag 143, the probability of stumbling of athletes can be reduced, and the safety of hurdle movement is improved.

A limiting device is arranged between the sleeves of the telescopic rod 12 to further ensure that the sleeves have a positioning and fixing effect after being extended, specifically, the limiting device comprises a positioning groove 125 at the inner upper end of the base sleeve 121 and the second telescopic sleeve 123, and an elastic positioning block 126 at the outer lower end of the first telescopic sleeve 122 and the second telescopic sleeve 123 corresponding to the positioning groove 125.

The utility model provides a hurdle frame 1, can be when the sportsman needs the training, expand the telescopic tube, and inflate gasbag 143, in order to accomplish to the arrangement of hurdle frame 1, when not needing the training, can be with gasbag 143 gassing, drive basic sleeve pipe 121 to the hurdle frame hidden groove of runway 2 through drive arrangement 13 at first, drive arrangement 13 continues work, shrink telescopic tube, fixed head 141 and gasbag 143 to basic sleeve pipe 121 in, hide the whole hurdle frame 1 with this, adopt the utility model, the modification of runway 2 corresponding hurdle frame 1 only needs to set up a hurdle frame hidden groove and base mounting groove that can hold basic sleeve pipe 121, its change is little, can not influence the structural strength of runway, simultaneously, hurdle frame 1 hides at runway 2 and only has taken up very little longitudinal space, and is suitable for indoor hurdle running, to the extension and the shrink of basic sleeve pipe 121 and telescopic tube, the device can be completed by only one driving device, and has simple structure and convenient control.

The utility model also provides a hurdle training track adopting the hurdle 1, which comprises a runway 2, a plurality of hurdle mounting grooves are arranged on the runway 2, the hurdle 1 is arranged in the hurdle mounting grooves, in the embodiment, 10 hurdle mounting grooves and the hurdle 1 are preferably arranged, the distance between the hurdle mounting grooves and the hurdle 1 is consistent with that of a standard hurdle, thereby facilitating the training of a trainer, the hurdle mounting grooves comprise a base mounting groove arranged in the runway and a hurdle hiding groove arranged on one side of the base mounting groove and penetrating through the surface of the runway, wherein the base mounting groove is preferably arranged on the runway 2 at a depth of 5-10cm from the surface, the hurdle hiding groove is consistent with the cross section shape of a basic sleeve 121, the depth of the hurdle hiding groove is larger than the length of the basic sleeve 121, in the embodiment, a power supply system and a control system which are electrically connected with a driving device 13 and an inflating device 117 of the hurdle 1, to control the driving device 13 to work, hide or open the hurdle frame 1. In order to guarantee to stride hurdle 1 when hidden state, its runway 2 can normal use, still can dismantle on the hurdle mounting groove and be provided with the spread block, spread block and the cross-section of striding hurdle hidden groove unanimously, can adopt the extruded mode to carry out demountable installation or other mechanical drive modes and carry out the setting that can open or close, the spread block can also avoid simultaneously striding hurdle 1 and drenching with the rain or insolate when hidden state, improves life.

The runway 2 adopting the hurdle frame 1 can only occupy a small longitudinal space of the runway, the hurdle frame 1 is arranged and hidden, when the hurdle frame 1 is arranged, the driving device 13 is driven to work through the control system, the second telescopic pipe 123, the first telescopic pipe 122 and the base pipe 121 are sequentially driven to move upwards, at the moment, the base 11 is located at the bottom position of the base pipe 121, the inflating device 117 is controlled to inflate the air bag 143, the arrangement is completed, when the hurdle frame 1 is hidden, the driving device 13 is controlled to work through the control system, the base pipe 121 is firstly driven to move downwards to the limit position along the guide block 112, the first telescopic pipe 122 and the second telescopic pipe 123 retract into the base pipe 121 sequentially to complete the hiding, and finally, the cover block is arranged on the hurdle frame mounting groove, so that the runway 2 can perform other movements and is recovered to a normal runway.

The utility model discloses a there is the rack in basic sleeve 121 and the telescopic sleeve that corresponds the position along length direction in setting up all, drive arrangement 13 is specifically the first gear 133 and the first motor 135 that set up in basic sleeve 121 bottom and rack mesh, in this embodiment, the rack includes first rack 1215, second rack 1222 on first telescopic sleeve 122 and the third rack 1232 on second telescopic sleeve 123 that set up on basic sleeve 121, first rack 1215, second rack 1222 and third rack 1232's specification is unanimous, lie in the same one side corresponding position of each sleeve respectively, in this embodiment, base 11 is provided with connecting block 119 and fixed plate 118 towards telescopic link 12 one side, fixed plate 118 is located telescopic link 12, and the outside cross sectional dimension of fixed plate 118 will be less than the minimum cross sectional dimension of telescopic link 12, be less than the inner chamber cross sectional dimension of second telescopic sleeve 123 promptly, corresponding, the telescopic rod 12 is provided with a slot corresponding to the connecting block 119 and having an opening facing downward, so as to avoid affecting the extension and retraction of the base sleeve 121, the first telescopic sleeve 122 and the second telescopic sleeve 123, the width of the slot is adapted to the width of the connecting block 119, when the driving device 13 drives the base sleeve 121 to be hidden in the hurdle frame hidden slot, the first slot 1212 moves downward along the connecting block 119, in order to ensure that the base sleeve 121 does not disengage from the guide block 112 when being arranged, the bottom of the first slot 1212 is provided with a stop block 1213 which can prevent the base sleeve 121 from disengaging from the guide block 112, when the driving device 13 drives the telescopic sleeve to be reset relative to the base sleeve 121, the second slot 1221 and the third slot 1231 respectively move downward along the connecting block 119 and are limited at the upper end of the slot by the connecting block 119, wherein the driving device 13 is disposed on the fixing plate 118, the driving device 13 includes a first gear 133 and a first motor 135 for driving the first gear 133 to rotate, wherein the first gear 133 is always engaged with one of the first rack 1215, the second rack 1222, and the third rack 1232 by an elastic member, in this embodiment, the first gear 133 or the first motor 135 is movable in the rack vertical direction by the elastic member and always maintains engagement with the rack.

As shown in fig. 2-6, when the first gear 133 can move along the vertical direction of the rack through the elastic member and is always engaged with the rack, the driving device 13 further includes a driving frame 131 disposed on the fixing plate 118, the elastic member is a retractable wheel frame 132 disposed on the driving frame 131 and facing the rack, the first gear 133 is disposed on the driving frame 131 through the retractable wheel frame 132, as shown in fig. 4, the retractable wheel frame 132 includes a first wheel frame 1321 and a second wheel frame 1322 fixedly connected to the first gear 133 and the driving frame 131, the first wheel frame 1321 and the second wheel frame 1322 are sleeved with each other and have a limiting structure to prevent from being disengaged from each other, the opposite end surfaces of the first wheel frame 1321 and the second wheel frame 1322 are respectively provided with a first spring positioning post 1323, 2 first spring positioning posts 1324 are sleeved on the first spring positioning posts 1323, and in an initial state, the elastic force of the first spring 1324 makes the first wheel frame 1321 always away from the second wheel frame 1322, so that the first gear 133 is always tightly attached to the rack, the first motor 135 is disposed on the driving frame 131, and drives the first gear 133 to rotate through the transmission of the belt pulley, specifically, the driving belt pulley 134 is disposed on the output shaft of the first gear 133, the driving belt pulley 136 is disposed on the output shaft of the first motor 135, the first motor 135 is connected to the first gear 133 through the belt 1315, the driving frame 131 is further disposed with an elastic tensioning pulley, when the first gear 133 is engaged with the second rack 1222 or the third rack 1232, the first wheel carrier 1321 breaks through the elastic force of the first spring 1324 and approaches the second wheel carrier 1322, at this time, the elastic tensioning pulley ensures that the belt 1315 can also be engaged with the driving belt pulley 134 and the driving belt pulley 136 for driving, the driving frame 131 is further disposed with 2 guiding wheels 137 located above the elastic tensioning pulley, and the belt 1315 is engaged with the elastic tensioning pulley through the 2 guiding wheels 137, as shown in fig. 3 and, the elastic tensioning wheel comprises a tensioning pulley 138, a sliding groove 139 arranged on the driving frame 131 and a wheel frame 1310 arranged in the sliding groove 139 in a sliding manner, the tensioning pulley 138 is rotatably arranged in the wheel frame 1310, the sliding direction of the sliding groove 139 is perpendicular to the line of the circle centers of the driving pulley 134 and the driving pulley 136, sliding grooves 1311 are arranged on two sides of the sliding groove 139, sliding blocks 1312 corresponding to the sliding grooves 1311 are arranged on two sides of the wheel frame 1310, it is ensured that the wheel frame 1310 can only slide along the sliding grooves 1311, a second spring 1314 is further arranged between the top of the sliding groove 139 and the top of the wheel frame 1310, the wheel frame 1310 is always away from the line of the circle centers of the driving pulley 134 and the driving pulley 136, and it is ensured that the belt 1315 is always meshed with the driving pulley 134 and the driving pulley 136.

When the hurdle frame 1 is arranged, as shown in part a of fig. 6 and fig. 13, the initial state of the driving device 13 is: the first wheel frame 1321 is retracted into the second wheel frame 1322, and the first gear 133 is engaged with the third rack 1232 of the second telescopic tube 123. During arrangement, the first motor 135 drives the first gear 133 to work through the belt 1315, at this time, the second telescopic tube 123 moves upwards along the first telescopic tube 122 until the elastic positioning block 126 at the outer lower end of the second telescopic tube 123 is matched with the positioning groove 125 at the inner lower end of the first telescopic tube 122, at this time, the first gear 133 goes through the rack guide-in part 124 on the third rack 1232 to be meshed with the second rack 1222 on the first telescopic tube 122, the second telescopic tube 123 is stretched, and the stretching state is maintained through the matching of the elastic positioning block 126 and the positioning groove 125; the first gear 133 continues to work to drive the first telescopic tube 122 to move upwards along the base tube 121 until the elastic positioning block 126 at the outer lower end of the first telescopic tube 122 is matched with the positioning slot 125 at the inner lower end of the base tube 121, at this time, the first gear 133 goes through the rack lead-in part 124 on the second rack 1222 to be meshed with the first rack 1215 on the base tube 121, the first telescopic tube 122 is stretched, and the stretching state is maintained through the matching of the elastic positioning block 126 and the positioning slot 125; the first gear 133 continues to work to drive the base sleeve 121 to move upwards along the guide block 112 until the bottom of the first rack 1215, the connecting block 119 contacts with the limiting block 1213 on the first slot 1212 to limit, the first motor 135 is turned off, and the base sleeve 121, the first telescopic sleeve 122 and the second telescopic sleeve 123 are all in the extended state. After the extension of the telescopic rod 12 is completed, the inflating device 117 is finally controlled to inflate the airbag 143, thereby completing the arrangement of the hurdle frame 1. When the first gear 133 transits from the third rack 1232 to the second rack 1222 and the second rack 1222 to the first rack 1215, the state of the driving device 13 is switched from the portion a to the portion b of fig. 6, and is always engaged with one of the first rack 1215, the second rack 1222 and the third rack 1232, thereby completing the arrangement of the hurdle 1.

As shown in fig. 12, in which the rack lead-in portion 124 is flush with the rack on the side of the rack away from the base sleeve 121 and becomes thinner toward the base sleeve 121, the rack lead-in portion 124 is also provided with teeth of the same size as the rack, so as to facilitate transition of the first gear 133.

When the hurdle frame 1 is hidden, as shown in fig. 10, the initial state of the driving device 13 is: the first wheel frame 1321 is unfolded from the second wheel frame 1322, and the first gear 133 is engaged with the first rack 1215 of the base sleeve 121. When hiding, firstly deflating the air bag 143, driving the first gear 133 by the first motor 135 through the belt 1315 to operate, at this time, the base sleeve 121 moves downward along the guide block 112 until the first gear 133 enters the second gear 1222 through the rack guide-in portion 124, at this time, the base sleeve 121 is located in the hurdle rack hiding groove, the top of the first groove 1212 of the base sleeve 121 contacts and limits the top of the connection block 119 on the base 11, ensuring the relative position of the base sleeve 121 and the base 11, after the first gear 133 is meshed with the second gear 1222, driving the first telescopic sleeve 122 to retract into the base sleeve 121, at this time, the top of the second groove 1221 on the first telescopic sleeve 122 contacts and limits the top of the connection block 119 on the base 11, and finally, the first gear 133 enters the third rack 1232 through the rack guide-in portion 124, retracting the second telescopic sleeve 123 into the first telescopic sleeve 122, at this time, the top of the third opening 1231 of the second telescopic tube 123 contacts with the top of the connecting block 119 of the base 11 and performs a position limitation, thereby completing the hiding of the hurdle frame 1. When the first gear 133 transits from the first rack 1215 to the second rack 1222, and from the second rack 1222 to the third rack 1232, the transition is performed through the rack introduction portion 124, and the state of the driving device 13 is switched from the portion b to the portion a in fig. 6, and is always engaged with one of the first rack 1215, the second rack 1222, and the third rack 1232, thereby completing the arrangement of the hurdle frame 1.

In order to facilitate the arrangement and hiding of the hurdle frame 1, the positioning groove 125 is further provided with a guiding bevel edge 1251, as shown in fig. 9, the lower end of the positioning groove 125 on the base sleeve 121 and the first telescopic sleeve 122 is provided with the guiding bevel edge 1251, which facilitates the engagement and the disengagement of the positioning groove 125 and the elastic positioning block 126 during the arrangement and hiding of the hurdle frame 1.

The utility model discloses a drive arrangement 13's another embodiment, drive arrangement 13 include first motor and first gear, and first motor slides towards the rack and sets up on fixed plate 118, the elastic component is the spring, and spring one end sets up on first motor, and the other end sets up on the fixed plate, and the spring makes first motor and first gear be close to the rack all the time and keep in mesh with one of first rack 1215, second rack 1222 and third rack 1232 all the time.

The utility model discloses the length more than or equal to each telescopic tube of length and more than or equal to terminal telescopic tube of basic sleeve 121 and the length sum of fixed head 141 ensure when hidden state, respectively can accomodate in basic sleeve 121 with telescopic tube and terminal telescopic tube on fixed head 141, in this embodiment, fixed head 141 sets up in the intraductal at second telescopic tube 123 top, the top of fixed block is parallel and level with the top of second telescopic tube 123, second telescopic tube 123 top still is provided with the fluting that can hold the gasbag 143 body after the gassing, the fluting can provide the position when gasbag 143 is in the inflation state, can provide the position of accomodating when the gassing state, ensure the effect of accomodating; the fixed head 141 can be further provided with a third spring 142, the air bag is matched with the fixed head 141 through the third spring 142, when the third spring 142 is provided, the hurdle frame mounting groove is provided with an opening corresponding to the third spring 142 and the air bag 143 after deflation, the third spring 142 is arranged, and the condition that the athlete cannot trip down after touching the air bag 143 is further ensured, and meanwhile, the hurdle frame 1 cannot be damaged.

As shown in fig. 2, the base 11 includes the support body 111 with the installation cavity, the guide block 112 is disposed on one side of the support body 111, and it is provided with 2 corresponding clamps, and the inflation device 117 is disposed in the cavity of the support body 111, and may be an air blower or other inflation devices, in this embodiment, the air outlet end of the inflation device 117 is communicated with the inside of the base sleeve 121 and the telescopic pipe, and is connected with the air bag 143 through the air pipe, and the side plate 115 of the support body 111 is provided with an air pipe connection hole communicated with the inside of the base sleeve 121, the utility model discloses the base 11 is disposed as the support body 111 with the installation cavity, and can ensure that the inflation device 117 is in the protection state, so as to improve the service life, wherein, an air inlet communicated with the air inlet.

As shown in fig. 14-19, the present invention further provides another hurdle training track, comprising a track 2, wherein a moving slot 21 is disposed on one side of the track 2, a plurality of hurdle frames 1 are disposed in the moving slot 21, a hurdle hiding slot 22 is disposed on one side of the moving slot 21, a moving frame 3 having the same number as the hurdle frames 1 is disposed in the moving slot 21, a base 11 of the hurdle frame 1 is fixedly disposed on the moving frame 3, a roller 31 is disposed on the moving frame 3, the width of the moving frame 3 is greater than the width of the hurdle hiding slot 22, as shown in fig. 19, the roller 31 comprises a bottom roller 311 disposed on both sides of the bottom of the moving frame 3 and a side roller 312 disposed on both sides of the hurdle hiding slot 3, so as to ensure the stability of the moving, wherein the space between the bottom rollers 311 on both sides of the bottom is greater than the width of the hurdle hiding slot 22, a cover block 24 is detachably disposed on the moving slot, during the hidden state, a plurality of hurdles 1 all lie in hurdles and hide groove 22 one side, wherein basic sleeve pipe 121 hides in hurdles hides groove 22, in this embodiment, removes to be provided with roller drive on the frame 3, can drive a plurality of hurdles 1 and remove along removal groove 21, carries out a plurality of hurdles 1's of striding arrangement. When in hiding, the movable frame 3 is driven by the control roller driving device to reset to the side of the hurdle hiding groove 22, and the telescopic rod 12 and the air bag 143 are hidden in the hurdle hiding groove 22 by the driving device 13. Through setting up shifting chute 21 and hurdle hiding groove 22, can concentrate a plurality of hurdles 1 and hide when hiding, and can arrange when arranging automatically, in this embodiment, the hiding of hurdle 1 is all being striden hurdle hiding groove 22 position and is going on with arranging, when arranging, treat that telescopic link 12 extends and gasbag 143 aerifys the back, each hurdle 1 of striding is arranged to rethread shifting chute 3 drive, in this embodiment, the electrical power generating system who strides hurdle 1 can be for setting up the battery in base 11 or, also or set up the power supply contact at shifting chute 21 side, set up the power supply contact who is connected with battery or drive arrangement 13 and aerating device 17 electricity on shifting chute.

In order to simplify the structural difficulty of automatic arrangement, as shown in fig. 15, a first wire rewinding device 32 is further disposed on the moving frame 3, the first wire rewinding device 32 includes a wire rewinding motor 321, a wire rewinding wheel 321, and a first rope 323 disposed on the wire rewinding wheel 321, the wire rewinding motor 321 drives the wire rewinding wheel 321 to rotate to rewind and rewind the first rope 323, an output end of the first wire rewinding device 32 is connected to another adjacent moving frame 3, the first moving frame 3 is fixedly connected to the moving slot 21 and is located at an end of the hurdle hiding slot 22, a second wire rewinding device 4 is disposed on a side of the moving slot 21 away from the hurdle hiding slot 22, an output end of the second wire rewinding device 4 is fixedly connected to the last moving frame 3, when automatic arrangement is performed, the first wire rewinding device 32 is in a relaxed state, the second wire rewinding device 4 tightens the second rope 41 to sequentially unfold the plurality of hurdle frames 1, a distance between the hurdle frames 1 is a stroke length of the first wire rewinding device 32, the stroke of the first money collector 32 is 8-10m, when automatic hiding is performed, the second money collector 4 is in a relaxed state, the first money collector 32 on the second hurdle frame 1 close to one side of the second money collector 4 works to the first hurdle frame 1 far from one side of the second money collector 4 in sequence, the first rope 323 is contracted, the hurdle frame 1 close to one side of the second money collector 4 is made to be close to the hurdle frame hiding groove 22 in sequence, as shown in fig. 17, finally, the base sleeve 121, the first telescopic sleeve 122 and the second telescopic sleeve 123 are contracted to the hurdle frame hiding groove 22 in sequence through the driving device 13 on each hurdle frame 1, as shown in fig. 18, in this embodiment, the two sides of the moving groove 21 are provided with the limiting steps 23, the limiting steps 23 are used for supporting the covering block 24, when the hurdle frame 1 is in a hidden state, the moving groove 21 can be covered by the covering block 24, so that the runway 2 can be applied to ordinary training, the limiting step 23 is arranged, so that the gravity or stress of the paving blocks 24 can be borne by the limiting step 23, and the structural strength of the runway 2 is improved.

The utility model discloses still can set up the auxiliary drive device that is used for assisting the motion of drive basic sleeve pipe 121 along base 11 on base 11, auxiliary drive device can be cylinder drive or rack and pinion drive, when auxiliary drive device adopted cylinder drive, the cylinder was set up towards base 11 lower extreme, its output piston was fixed with basic sleeve pipe 121, the stroke of output piston was unanimous with the stroke that basic sleeve pipe 121 moved down; when the auxiliary driving device adopts a rack and pinion, a fourth rack 1214 is arranged on the outer side of the base sleeve 121 along the length direction, a second motor 113 is arranged in the base 11, a second gear 114 meshed with the fourth rack 1214 is arranged at the output end of the second motor 113, the second motor 113 drives the second gear 114 to rotate, so as to drive the base sleeve 121 to move up and down along the guide block 112, in order to simplify the structure and control, the auxiliary driving device adopts rack and pinion driving, which ensures the driving effect, and has the advantages of simple structure and small occupied area, etc., when the auxiliary driving device works, the auxiliary driving device cooperates with the driving device 13, wherein the second motor 113 and the second gear 114 are arranged in the cavity of the frame body 111, the side plate 115 of the frame body 111 facing the base sleeve 121 is provided with an opening 116 corresponding to the second gear 114, so as to ensure that the second gear 114 can keep meshed with the fourth rack 1214, the auxiliary driving device is arranged, so that the contraction and extension of the base sleeve 121 relative to the base 11 and the positioning after the contraction and extension are further improved while the cross section area of the base sleeve 121 is not influenced, and the driving device 13 is matched to further improve the running stability of the device.

Claims (8)

1. The utility model provides a hurdle, characterized by, including base (11), telescopic link (12) and gasbag (143), telescopic link (12) are including basic sleeve pipe (121) and the telescopic tube that cup joints each other, gasbag (143) set up at the telescopic tube tip, are provided with aerating device (17) that are used for filling the gassing for gasbag (143) in base (11), and basic sleeve pipe (121) slide to set up on base (11), base (11) are provided with connecting block (119) and fixed plate (118) in proper order towards telescopic link (12) one side, and fixed plate (118) are located telescopic link (12), are provided with on telescopic link (12) and correspond and open slot down with connecting block (119) position, correspond the position along length direction in basic sleeve pipe (121) and the telescopic tube and all be provided with the rack, are provided with in fixed plate (118) and are used for driving telescopic tube along basic sleeve pipe (121) motion and basic sleeve pipe (121) along the drive arrangement of base (11) motion (13) The driving device (13) comprises a first gear (133) arranged on the fixing plate (118), a first motor (135) driving the first gear (133) and an elastic piece, wherein the elastic piece enables the first gear (133) and the rack to be always kept meshed.

2. The hurdle frame as claimed in claim 1, wherein the driving device (13) further comprises a driving frame (131) disposed on the fixing plate (118), the elastic member is a retractable wheel frame (132) disposed on the driving frame (131) and facing the rack, the first gear (133) is disposed on the driving frame (131) through the retractable wheel frame (132), a driving pulley (134) is further disposed on an output shaft of the first gear (133), the first motor (135) is disposed on the driving frame (131), the output shaft is provided with a driving pulley (136), the first motor (135) is connected to the first gear (133) through a belt (1315), and the driving frame (131) is further provided with an elastic tensioning wheel.

3. The hurdle according to claim 1, wherein the first motor is slidably disposed on the fixed plate (118), and the resilient member is a spring having one end disposed on the first motor and the other end disposed on the fixed plate (118).

4. A hurdle as claimed in any one of claims 1 to 3 wherein said telescoping tubes are provided in 2 sections and said base tube (121) has a length equal to or greater than the length of each telescoping tube.

5. The hurdle rack according to claim 4, wherein a rack guide-in portion (124) is arranged on one side, close to the base sleeve (121), of the rack on the telescopic sleeve, and one end, away from the base sleeve (121), of the rack guide-in portion (124) is flush with the rack and gradually becomes thinner towards the other end.

6. The hurdle rack according to claim 1, wherein a limiting device is arranged between the sleeves of the telescopic rod (12), and the limiting device comprises a positioning groove (125) arranged at the inner upper end of the base sleeve (121) and the telescopic sleeve and an elastic positioning block (126) corresponding to the positioning groove (125) at the outer lower end of each telescopic sleeve.

7. The hurdle support according to claim 6, wherein the lower end of the positioning groove (125) is provided with a beveled guide edge (1251).

8. The utility model provides a hurdle training track, characterized by, including the runway, runway one side is provided with a plurality of hurdle mounting groove of striding, is provided with hurdle (1) of striding as any one of claim 1-7 in the hurdle mounting groove of striding, strides hurdle mounting groove including the pedestal mounting groove that sets up in the runway and set up in pedestal mounting groove one side and run through the hurdle hidden groove on runway surface, strides hurdle hidden groove unanimous with basic sleeve pipe (121) cross sectional shape, strides hurdle hidden groove depth and is greater than the length of basic sleeve pipe (121), still can dismantle on the hurdle mounting groove and be provided with the shop cover piece.

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