Marking post arrangement device for snakelike running

Abstract

The utility model discloses a sign post arrangement device for snakelike running, which belongs to the technical field of sports goods and instruments and comprises a post body, a base is arranged at one end of the post body, a plurality of range finders are arranged on the base, and the range finders are uniformly distributed on the periphery of the base in the circumferential direction; a top plate is arranged at the other end of the rod body, a gradienter and seven fixed-point laser lamps are arranged on the top plate, the light emitting directions of the seven fixed-point laser lamps are arranged obliquely downwards, and the arrangement angles and directions of the seven fixed-point laser lamps are fixed, so that the seven fixed-point laser lamps irradiate ground points to correspond to the arrangement positions of the marking rods. According to the arrangement device for the sign posts for snakelike running, arrangement of seven sign posts can be achieved at a time, the mode that when conventional sign posts are arranged, all point positions are measured and determined separately is avoided, and the arrangement efficiency and accuracy of the sign posts can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of sports goods and instruments, and particularly relates to a sign pole arrangement device for a snake-shaped race. BACKGROUND

[0002] The 30m x 2 snake-shaped race requires two parallel lines with an interval of 30m to be drawn on a flat site as a starting and ending line and a turnaround line. One sign pole is arranged at a position 5m apart from the two 2.5m-interval raceway dividing lines in a straight line, and a total of 7 sign poles are arranged, with the height of the sign poles being not less than 1.8m.

[0003] At present, the arrangement mode of the 30m x 2 snake-shaped race site mainly adopts a traditional manual and tape combination arrangement mode. Firstly, a reference object is used to mark a starting and ending line and a turnaround line, and then a sign pole placement line perpendicular to the starting and ending line and the turnaround line is drawn according to a 2.5m interval width. Then, according to the arrangement method of sign poles left 4 and right 3, a mark is made on the left side sign pole placement line every 10m, and marks are made on the right side sign pole placement line every 5m, 10m and 15m in sequence. Finally, the 7 disc base sign poles are placed according to the mark points, the starting and ending line mark is reserved, and finally the other sign lines are erased. The existing manual arrangement mode is time-consuming and labor-consuming, and manual measurement and arrangement are required, which is low in efficiency. UTILITARIAN CONTENT

[0004] In view of one or more of the above defects or improvement requirements of the prior art, the utility model provides a sign pole arrangement device for a snake-shaped race to solve the problem that the existing snake-shaped sign poles need to be manually measured and arranged and are low in efficiency.

[0005] To achieve the above object, the utility model provides a sign pole arrangement device for a snake-shaped race, which comprises:

[0006] A pole body is provided with a base at one end, and a plurality of distance meters are arranged on the base, the distance meters are evenly distributed around the base, and the distance signals of the distance meters are transmitted in the horizontal direction.

[0007] The other end of the pole body is provided with a top plate, the top plate is provided with a level and seven fixed-point laser lamps, the light-emitting directions of the seven fixed-point laser lamps are arranged obliquely downward, and the arrangement angles and positions of the seven fixed-point laser lamps are fixed, so that the ground points irradiated by the seven fixed-point laser lamps correspond to the arrangement positions of the sign poles.

[0008] As a further improvement of the utility model, the pole body comprises a first pole body and a second pole body arranged in two parts, the second pole body is arranged in a cylindrical shape, the first pole body is at least partially arranged in the second pole body, the base is arranged at one end of the second pole body away from the first pole body, and the top plate is arranged at one end of the first pole body away from the second pole body.

[0009] As a further improvement of the utility model, at least one notch is formed on the side wall of the first rod body, a clamping block is arranged in the notch, and the clamping block is connected to the inner wall of the notch through a first spring.

[0010] As a further improvement of the utility model, a first tooth groove is arranged on the side wall of the first rod body, a mounting hole is formed on the side wall of the second rod body, a rack is slidably arranged in the mounting hole, and the rack is engaged with the first tooth groove.

[0011] As a further improvement of the utility model, a second tooth groove is arranged on the first rod body along the axial direction, the first tooth groove is arranged at one end of the first rod body away from the top plate, and the second tooth groove is arranged at one end of the first rod body adjacent to the top plate.

[0012] As a further improvement of the utility model, a mounting groove is arranged on the second rod body at the mounting hole, the rack is slidably arranged in the mounting groove, a handle is further arranged in the mounting groove, the handle is connected with the rack through a second spring, the handle is slidably arranged in the mounting groove, and the handle and the inner wall of the mounting groove have sliding damping.

[0013] As a further improvement of the utility model, a plurality of supporting rods are further connected to the circumferential side wall of one end of the rod body towards the base, one end of the plurality of supporting rods is rotatably connected to the side wall of the rod body, and the other end of the plurality of supporting rods is swingably arranged.

[0014] As a further improvement of the utility model, an abutting rod is further arranged between the plurality of supporting rods and the rod body, one end of each abutting rod is rotatably connected to the side wall of the supporting rod, and the other end of each abutting rod is slidably arranged on the side wall of the rod body.

[0015] As a further improvement of the utility model, a positioning hole is further arranged on the side wall of the rod body, and the positioning hole is located on the sliding track of the abutting rod on the side wall of the rod body.

[0016] As a further improvement of the utility model, a plurality of display screens are further arranged on the base, and the plurality of display screens are electrically connected with the plurality of range finders one by one.

[0017] The above improvement technical features can be combined with each other as long as they do not conflict with each other.

[0018] Overall, compared with the prior art, the above technical scheme conceived by the utility model has the following beneficial effects:

[0019] (1) The utility model discloses a sign pole arrangement device for serpentine running, which is arranged on the site to be arranged by using a range finder to obtain the distance from the arrangement device to the surrounding boundary, so as to determine whether the site to be arranged meets the requirement of the serpentine running site, and a level is used to determine the overall flatness of the site, so as to ensure that the indication light emitted by the upper fixed-point laser lamp can accurately mark the arrangement position of the sign pole after the arrangement device is placed in place, and then the staff can insert the sign pole at the irradiation position of the fixed-point laser lamp to complete the arrangement of the serpentine running site, and the arrangement device can one-time realize the arrangement of seven sign poles, avoids the mode of respectively measuring and determining each point during the conventional arrangement of the sign pole, and greatly improves the arrangement efficiency and accuracy of the sign pole.

[0020] (2) The utility model discloses a sign pole arrangement device for serpentine running, which is arranged on the site to be arranged by using a range finder to obtain the distance from the arrangement device to the surrounding boundary, so as to determine whether the site to be arranged meets the requirement of the serpentine running site, and a level is used to determine the overall flatness of the site, so as to ensure that the indication light emitted by the upper fixed-point laser lamp can accurately mark the arrangement position of the sign pole after the arrangement device is placed in place, and then the staff can insert the sign pole at the irradiation position of the fixed-point laser lamp to complete the arrangement of the serpentine running site, and the arrangement device can one-time realize the arrangement of seven sign poles, avoids the mode of respectively measuring and determining each point during the conventional arrangement of the sign pole, and greatly improves the arrangement efficiency and accuracy of the sign pole. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall structure schematic diagram of the sign pole arrangement device for serpentine running in the utility model embodiment.

[0022] Figure 2 It is the overhead structure schematic diagram of the sign pole arrangement device for serpentine running in the utility model embodiment.

[0023] In all the drawings, same reference signs represent same technical features, specifically:

[0024] 1, first pole body;2, second pole body;3, base;4, range finder;5, top plate;6, level;7, fixed-point laser lamp;8, clamping block;9, first spring;10, first tooth groove;11, rack;12, second tooth groove;13, mounting groove;14, handle;15, second spring;16, support rod;17, abutment rod;18, positioning hole;19, display screen. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0026] In the description of the utility model, it is understood that, unless otherwise specified, the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0027] In addition, unless otherwise specified, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0028] In the utility model, unless otherwise specifically specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] In the utility model, unless otherwise specifically specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be indirectly contacted through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0030] Embodiment:

[0031] Please refer to Figure 1 , Figure 2The utility model discloses the snake shape of preferred embodiment's sign pole arrangement device for running includes the pole body, is equipped with the base 3 at the one end of pole body, and is provided with a plurality of range finders 4 on base 3, and a plurality of range finders 4 are evenly distributed in the circumference around base 3, and the ranging signal of a plurality of range finders 4 is transmitted along the horizontal direction, second, sets up the roof 5 at the other end of pole body, and is equipped with level 6 and seven fixed point laser lamps 7 on roof 5, and the light emitting direction of seven fixed point laser lamps 7 is arranged obliquely downward, and the arrangement angle and the position of seven fixed point laser lamps 7 are fixed, so that seven fixed point laser lamps 7 irradiate to the ground point position and the arrangement position of sign pole correspond.

[0032] The utility model discloses the sign pole arrangement device for running of snake shape, through the device of being arranged on the place to be arranged, first utilizes range finder 4 to obtain the distance of arrangement device to the distance of surrounding boundary, to determine whether the arrangement place meets the place requirement of snake shape for running, and utilizes level 6 to determine the overall flatness of place, ensures that after the arrangement device is placed in place, the indicating light of the upper fixed point laser lamp 7 of it can accurately mark the arrangement position of sign pole, so that the staff can be according to the irradiation position of fixed point laser lamp 7 and insert sign pole, to complete the arrangement of snake shape running ground. The sign pole arrangement device for running of snake shape in the application can arrange seven sign poles at a time, avoid the mode of respectively measuring and determining each point in the conventional sign pole arrangement, can improve the arrangement efficiency and accuracy of sign pole greatly.

[0033] It is worth noting that the arrangement angle and the position of fixed point laser lamp 7 in the application are determined according to the standard snake shape running arrangement place. That is, first, place the sign pole arrangement device for running of snake shape at the sign pole arrangement place for running of snake shape, adjust the position and angle of seven fixed point laser lamps 7, so that the light source of seven fixed point laser lamps 7 irradiates the bottom end of seven sign poles, then fix the position of seven fixed point laser lamps 7. When the sign pole arrangement device for running of snake shape is placed on the place, the indicating light irradiation ground position of seven fixed point laser lamps 7 is the insertion position of sign pole.

[0034] Optionally, the range finder 4 in the application can be an optoelectronic range finder or an acoustic range finder. In a conventional use, before setting up the marker post, the staff can determine whether the site meets the layout requirements through visual judgment. The layout distance of the serpentine run is 30 m. When the layout device is located in the middle area, the distance between the two ends of the layout device along the length direction is greater than 15 m, and the layout of the serpentine run site can be completed. Generally, as long as the distance feedback from the two oppositely arranged range finders 4 to the boundary is greater than 15 m, it can be determined that the site meets the layout of the serpentine run site. When the visual layout site length is about 30 m, the distance of the site boundary can be obtained through the range finder 4, and the specific length of the site is obtained to determine whether the site meets the layout requirements of the serpentine run site. When the layout site is too large, obstacles can be placed outside 15 m, such as 20 m~30 m, and when the range finder 4 tests the distance of the obstacle to be greater than 15 m, it represents that the site meets the requirements.

[0035] Further, as a preferred embodiment of the utility model, the rod body in the application includes a first rod body 1 and a second rod body 2 arranged in a split manner, wherein the second rod body 2 is arranged in a cylindrical shape, and the first rod body 1 is at least partially arranged in the second rod body 2 in a sliding manner, the base 3 is arranged at one end of the second rod body 2 away from the first rod body 1, and the top plate 5 is arranged at one end of the first rod body 1 away from the second rod body 2. The length of the conventional marker post is not less than 1.8 m, which is relatively inconvenient in actual carrying and storage. Based on this, the rod body is arranged in a split manner of the first rod body 1 and the second rod body 2 in the application, and the two are arranged in an extendable manner, so as to greatly reduce the carrying difficulty and storage difficulty of the layout device. When needed, the first rod body 1 is pulled out of the second rod body 2 to form a marker post layout device of a set length for a serpentine run, so as to ensure the accuracy of the marker post indicating position.

[0036] Further, as a preferred embodiment of the utility model, at least one notch is formed in the side wall of the first rod body 1, and a clamping block 8 is arranged in the notch. The clamping block 8 is connected to the inner wall of the notch through a first spring 9. A slot is formed in the inner wall of the second rod body 2, and the clamping block 8 can be clamped in the slot. Since the orientation and angle of the fixed-point laser lamp 7 are fixed, whether the height at which the fixed-point laser lamp 7 is located is accurate determines the accuracy of the marker post layout position. In order to ensure the stability of the first rod body 1 and the second rod body 2 in the extended state, the first spring 9 and the clamping block 8 are arranged on the first rod body 1, and the slot is formed on the second rod body 2. When the first rod body 1 slides to a set position, the clamping block 8 corresponds to the slot, the first spring 9 pops out the clamping block 8, the clamping block 8 is clamped into the slot, the first rod body 1 and the second rod body 2 are relatively locked, and the two remain relatively stable.

[0037] Preferably, in order to ensure the relative fixation and separation of the first rod body 1 and the second rod body 2, the clamping block 8 is a spherical structure, the caliber of the slot is smaller than the diameter of the clamping block 8, so that when the clamping block 8 falls into the slot, the clamping block 8 is partially in the slot, realizing the relative stability of the first rod body 1 and the second rod body 2; when it is needed to separate the first rod body 1 and the second rod body 2, force is applied along the axial direction of the rod body, the first spring 9 is compressed, the clamping block 8 is separated from the slot, and the first rod body 1 and the second rod body 2 are separated.

[0038] Further, as a preferred embodiment of the utility model, the first rod body 1 is further provided with a first tooth groove 10 on the side wall, the second rod body 2 is provided with a mounting hole on the side wall, a rack 11 is slidably arranged in the mounting hole, and the rack 11 can be interlocked with the first tooth groove 10. Although the cooperation of the clamping block 8 and the slot can realize the relative fixation of the first rod body 1 and the second rod body 2, the two are not stably connected. Based on this, the first tooth groove 10 is arranged correspondingly, and the mounting hole is arranged on the second rod body 2, when the first rod body 1 slides to the set position, the rack 11 slides along the mounting hole towards the first rod body 1, and matches with the first tooth groove 10 on the first rod body 1, the rack 11 and the first tooth groove 10 match to form an interlocking structure, the first rod body 1 and the second rod body 2 are further interlocked and locked, ensuring the connection stability of the first rod body 1 and the second rod body 2.

[0039] Further preferably, the first rod body 1 in the application is further provided with a second tooth groove 12 along the axial direction, and the first tooth groove 10 is arranged at one end of the first rod body 1 away from the top plate 5, and the second tooth groove 12 is arranged at one end of the first rod body 1 adjacent to the top plate 5. The first tooth groove 10 can only ensure the locking of the first rod body 1 and the second rod body 2 in the elongated state, in order to avoid the random sliding of the first rod body 1 in the second rod body 2 during carrying or storage, the second tooth groove 12 is arranged correspondingly, when the first rod body 1 is collected in the second rod body 2, the rack 11 is locked with the second tooth groove 12, so as to facilitate the carrying and storage of the snake-shaped running sign pole arrangement device.

[0040] Further preferably, the second rod body 2 in the application is provided with a mounting groove 13 at the mounting hole, the rack 11 is slidingly arranged in the mounting groove 13, and the mounting groove 13 is further provided with a handle 14, the handle 14 is connected with the rack 11 through a second spring 15, and the handle 14 is slidingly arranged in the mounting groove 13, and the handle 14 and the inner wall of the mounting groove 13 have sliding damping. The handle 14 itself can facilitate the carrying of the snake-shaped running sign pole arrangement device. When it is needed to fix the first rod body 1 and the second rod body 2 to form a set length, the handle 14 is pulled out along the mounting groove 13, the second spring 15 is elongated, the rack 11 moves in a direction away from the first tooth groove 10, and the first rod body 1 is normally pulled out. When the first rod body 1 and the second rod body 2 are combined to form a set length, the handle 14 is pressed towards the axial position of the second rod body 2, the second spring 15 is compressed, the rack 11 moves towards the second tooth groove 12, the rack 11 and the second tooth groove 12 are mutually engaged, the first rod body 1 and the second rod body 2 are mutually locked to form a set length of the snake-shaped running sign pole arrangement device. The sliding damping is to facilitate the positioning of the handle 14 at a set position of the mounting groove 13, so as to avoid the handle 14 being bounced away by the second spring 15, and to cause the rack 11 and the first tooth groove 10 or the second tooth groove 12 to fail to form a locking structure.

[0041] Further, as a preferred embodiment of the application, the circumferential side wall of the rod body towards the base 3 is further connected with a plurality of supporting rods 16, one end of the plurality of supporting rods 16 is rotationally connected with the side wall of the rod body, and the other end is swingingly arranged. It is difficult to simply use the base 3 to fix the rod body, in order to ensure the stability of the snake-shaped running sign pole arrangement device during use, the application correspondingly provides a plurality of supporting rods 16, which form a supporting structure around the rod body, so as to ensure the use stability of the snake-shaped running sign pole arrangement device.

[0042] Further preferably, the plurality of supporting rods 16 and the rod body are further provided with abutting rods 17, one end of each abutting rod 17 is rotationally connected with the side wall of the supporting rod 16, and the other end is slidingly arranged on the side wall of the rod body. The abutting rod 17, the supporting rod 16 and the rod body can form a triangular supporting structure, so as to ensure the stable support of the supporting rod 16 to the snake-shaped running sign pole arrangement device.

[0043] Further preferably, the side wall of the rod body is further provided with a positioning hole 18, and the positioning hole 18 is arranged on the sliding track of the abutting rod 17 on the side wall of the rod body. When the supporting rod 16 is opened to a set angle, the abutting rod 17 is slidingly clamped into the positioning hole 18, the triangular structure of the abutting rod 17, the supporting rod 16 and the rod body is locked, so that the snake-shaped running sign pole arrangement device can be stably erected on the track.

[0044] As an optional embodiment of the present application, the base 3 is further provided with a plurality of display screens 19, which are electrically connected with the plurality of range finders 4 one by one. The display screen 19 is used to display the distance measured by the range finder 4, so as to determine whether the site meets the layout requirements of the snake-shaped running site, and facilitate the staff to arrange the marker poles.

[0045] The snake-shaped running marker pole arrangement device in the utility model is used as follows: the snake-shaped running marker pole arrangement device is carried to a designated site, it is judged whether the site meets the arrangement requirement by visual observation, the site flatness is determined by preliminary visual observation, under the premise that the arrangement requirement is basically met, the supporting pole 16 is unfolded, the base 3 is placed on the ground, the supporting pole 16 is unfolded to a set angle, the abutting rod 17 is clamped into the positioning hole 18, the second pole body 2 is stably placed on the ground, the handle 14 is pulled, the rack 11 is separated from the second tooth groove 12, the first pole body 1 is drawn along the second pole body 2; when the first pole body 1 is pulled to a set position, the clamping block 8 is clamped into the slot under the action of the first spring 9; the handle 14 is pressed, the second spring 15 is pressed into the first tooth groove 10, the first pole body 1 and the second pole body 2 are locked with each other. The snake-shaped running marker pole arrangement device is taken as the center, the obstacles are arranged at a range of 20~30m from the arrangement device, the distance of the obstacles is fed back through the range finder 4, whether the site meets the arrangement requirement is determined according to the site range, the obstacles and the position of the snake-shaped running marker pole arrangement device. When the site meets the requirement, the flatness at the place of the arrangement device is determined through the level 6, when the flatness meets the standard, the seven fixed-point laser lamps 7 emit indicating light, seven marker points are formed on the site, the seven marker poles are inserted at the seven marker points by the staff, the snake-shaped running site arrangement is completed, the fixed-point laser lamp 7 is turned off, and the snake-shaped running marker pole arrangement device is taken away from the arrangement site.

[0046] Those skilled in the art can easily understand that the above description is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A serpentine raceway sign pole arrangement comprising: The utility model relates to a kind of sign poles, including: Rod body, the one end of the rod body is equipped with base, and the base is equipped with multiple range finders, and multiple range finders are evenly distributed around the periphery of the base; The other end of the rod body is equipped with top plate, and the top plate is equipped with level and seven fixed-point laser lights, and the light-emitting direction of seven fixed-point laser lights is arranged obliquely downward, and the arrangement angle and position of seven fixed-point laser lights are fixed, so that seven fixed-point laser lights irradiate to ground point position and the arrangement position of sign pole correspond.

2. A serpentine sign post arrangement according to claim 1, characterised in that, The rod body includes a first rod body and a second rod body arranged separately, the second rod body is arranged in a cylindrical shape, the first rod body is at least partially arranged in the second rod body, the base is arranged at one end of the second rod body away from the first rod body, and the top plate is arranged at one end of the first rod body away from the second rod body.

3. A serpentine sign post arrangement according to claim 2, c h a r a c t e r i z e d in that At least one notch is formed in the side wall of the first rod body, a clamping block is arranged in the notch, and the clamping block is connected to the inner wall of the notch by a first spring.

4. A serpentine sign post arrangement according to claim 2, characterised in that, A first tooth groove is arranged on the side wall of the first rod body, a mounting hole is formed in the side wall of the second rod body, a rack is slidably arranged in the mounting hole, and the rack can be engaged with the first tooth groove.

5. A serpentine raceway marker post arrangement according to claim 4, characterised in that, The first rod body is further provided with a second tooth groove in the axial direction, the first tooth groove is arranged at one end of the first rod body away from the top plate, and the second tooth groove is arranged at one end of the first rod body adjacent to the top plate.

6. A serpentine sign post arrangement according to claim 4, characterised in that, The second rod body is provided with a mounting groove at the mounting hole, the rack is slidably arranged in the mounting groove, a handle is further arranged in the mounting groove, the handle is connected with the rack by a second spring, the handle is slidably arranged in the mounting groove, and the handle and the inner wall of the mounting groove have sliding damping.

7. A bollard arrangement according to any one of claims 1 to 6, wherein, A plurality of supporting rods are further connected to the circumferential side wall of the rod body towards the base, one end of each supporting rod is rotatably connected to the side wall of the rod body, and the other end of each supporting rod is swingably arranged.

8. A serpentine sign post arrangement according to claim 7, characterised in that, A plurality of abutting rods are further arranged between the supporting rods and the rod body, one end of each abutting rod is rotatably connected to the side wall of the supporting rod, and the other end of each abutting rod is slidably arranged on the side wall of the rod body.

9. A serpentine sign post arrangement according to claim 8, characterised in that, A positioning hole is further arranged on the side wall of the rod body, and the positioning hole is located on the sliding track of the abutting rod on the side wall of the rod body.

10. A bollard arrangement as claimed in any one of claims 1 to 6, wherein, A plurality of display screens are further arranged on the base, and each display screen is electrically connected with one range finder.

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