CN112922448A

CN112922448A - Ice rink boundary wall

Info

Publication number: CN112922448A
Application number: CN202110097000.8A
Authority: CN
Inventors: 董文礼
Original assignee: China Sports Facilities Construction Co ltd
Current assignee: China Sports Facilities Construction Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-06-08
Anticipated expiration: 2041-01-25
Also published as: CN112922448B

Abstract

The application relates to a boundary wall of an ice rink, which comprises a plurality of boundary wall units, wherein the boundary wall units are divided into a linear boundary wall unit and an arc boundary wall unit, and the linear boundary wall units and the arc boundary wall units are spliced into a closed ring; a plurality of embedded parts used for fixing the linear boundary wall unit or the circular-arc boundary wall unit are also embedded in the ground of the ice rink; the embedded parts are embedded in a plurality of areas, so that the straight boundary wall unit and the arc boundary wall unit are assembled into closed rings with various specifications. This application has the convenient ice rink boundary wall mounted position of adjusting to make the ice rink adapt to the effect that multiple specification required.

Description

Ice rink boundary wall

Technical Field

The application relates to the field of ice rink construction, in particular to an ice rink boundary wall.

Background

The boundary wall is also called as "board wall". Is a protective device in the ice hockey sport field. Made of wood or plastic material. The boundary wall is arranged around the outer side of the ice rink, and one surface of the boundary wall facing the ice rink is a smooth plane or a cambered surface. The ice rink boundary is defined, meanwhile, the sporter is protected, and the condition that the sporter is injured when the sporter is out of the ice rink is reduced.

The ice rinks are generally divided into two specifications of 30m × 60m and 26m × 60m according to different competition regulations, and correspondingly, the ice rink boundary walls also need to be constructed according to the specifications. The boundary wall in the related art needs to be driven into the concrete ground below with the spud pile when being under construction, then installs ice dam, and guard plate on the spud pile in proper order.

The ice rink boundary wall is not easy to detach due to the installation mode, so that the ice rink meets the competition requirements of various field specifications.

Disclosure of Invention

In order to conveniently adjust the installation position of the ice rink boundary wall, so that the ice rink is suitable for various specification requirements, the ice rink boundary wall is provided.

The application provides a technical scheme that ice rink boundary wall adopts as follows:

a boundary wall of an ice rink comprises a plurality of boundary wall units, wherein the boundary wall units are divided into straight line boundary wall units and arc boundary wall units, and the straight line boundary wall units and the arc boundary wall units are spliced into a closed ring; a plurality of embedded parts used for fixing the linear boundary wall unit or the circular-arc boundary wall unit are also embedded in the ground of the ice rink; the embedded parts are embedded in a plurality of areas, so that the straight boundary wall unit and the arc boundary wall unit are assembled into closed rings with various specifications.

By adopting the technical scheme, the boundary wall units are installed on the embedded parts, so that the boundary wall units are fixed to the ground, the boundary wall units are further installed on different embedded parts, boundary wall boundaries with different sizes can be spliced between the boundary wall units, the ice rink size specifications can be adjusted, the ice rink can change the stadium specifications according to different competition requirements, and the applicability of the ice rink is improved.

Optionally, the embedded parts are divided into two wide side groups arranged along the width direction of the field, a long side group arranged along the length direction of the field, and a mirror image group arranged along the length direction of the field and the long side group in a mirror image mode according to the installation positions; the long edge group is positioned between the two wide edge groups and comprises a straight line section and circular arc sections arranged at two ends of the straight line section; the long edge groups are at least provided with two groups along the width direction of the field.

Through adopting above-mentioned technical scheme, when the ice rink boundary wall is when changing big or small specification, the boundary wall unit position of installing on the broadside group is fixed, and through the mounted position who changes long limit group and mirror image group to regulation place specification that can be convenient provides the convenience when changing the boundary wall specification.

Optionally, the embedded part includes the fixed block, and a holding tank has been seted up to the upper surface of fixed block, has in the holding tank one be used for with straight line boundary wall unit or circular arc boundary wall unit reciprocal anchorage's T type bolt, the holding tank is close to and respectively offers a screens strip with T type bolt head cooperation screens on the open-ended both sides wall, and screw-thread fit has a fixation nut on the T type bolt.

Through adopting above-mentioned technical scheme, the head of T type bolt is inlayed and is established in the holding tank and with the mutual screens of screens strip, and T type bolt is worn to establish in the boundary wall unit. Therefore, the boundary wall unit is fixed on the embedded part through the threaded fit of the T-shaped bolt and the fixing nut. The convenience of adjusting the position of the boundary wall unit is improved. The embedded part is level with the concrete floor on the upper surface when not installing T type bolt to do not influence the planarization of ice surface itself, thereby made things convenient for the normal use in ice rink.

Optionally, the boundary wall unit includes the ice dam that sets up towards ground and sets up the protective wall in ice dam top, ice dam includes two lower pipes of mutual parallel arrangement, is provided with a plurality of connecting plates between two lower pipes, still is provided with a mounting plate between two lower pipes, and the mounting plate cover is established on T type bolt and is blocked mutually with the connecting plate.

By adopting the technical scheme, the threads between the fixing nut and the T-shaped bolt are screwed, so that the fastening plate is tightly pressed above the connecting plate, the ice dam and the ground are tightly pressed, and the ice dam is fixedly connected with the ground. The T-shaped bolt is matched with the fastening plate, the structure is simple, and the installation is rapid and convenient. The independent setting of mounting plate, when the mounting plate takes place to warp because long-time the use, the staff can only change the mounting plate to maintenance cost has been reduced.

Optionally, one end of the fastening plate is abutted to the connecting plate, and the other end of the fastening plate is bent towards the ground to form a bent end attached to the ground.

Through adopting above-mentioned technical scheme, the end of buckling supports each other with supporting on ground, has improved the stability when mounting plate compresses tightly the connecting plate.

Optionally, the protective wall includes the frame of rigid coupling on ice dam and sets up the guard plate inboard at the frame, the frame is provided with the fixed subassembly with ice dam quick fixation, fixed subassembly wears to be equipped with a connecting rod including setting up the screens board on the frame on the screens board, and the connecting rod has a cardboard towards the one end rigid coupling of ice dam, is provided with the spanner that is used for promoting the connecting rod on the connecting rod, and the rigid coupling has a fixed plate on corresponding ice dam, offers the card hole with cardboard cooperation screens on the fixed plate.

Through adopting above-mentioned technical scheme, when the protecting wall was installed with the ice dam, the staff can place the frame in ice dam top to make the cardboard pass the card hole, rotate the connecting rod after the pressure move the spanner, thereby the cardboard upwards promotes, cardboard and the mutual screens in card hole border, and then fixed frame and ice dam reciprocal anchorage. The arrangement of the fixing assembly improves the convenience of mounting and dismounting the fixing frame and the ice dam.

Optionally, the connecting rod is sleeved with an installation plate, each fixed connection on two opposite side walls of the installation plate is provided with a rotating shaft, the wrench is rotatably connected on the installation plate, the side wall of the wrench is abutted against the clamping plate, the connecting rod is provided with external threads, and each threaded sleeve on two sides of the connecting rod, which is located on the installation plate, is provided with a clamping nut.

Through adopting above-mentioned technical scheme, the mounting panel cover is established on the connecting rod to the mounting panel is fixed by the centre gripping of two upper and lower clamping nuts, thereby has improved the holistic stability of mounting panel, and the staff can also revolve and twist two clamping nuts soon, thereby adjusts the position of two clamping nuts on the connecting rod, and then changes the position of mounting panel, adjusts the elasticity degree of cardboard and the mutual screens in card hole border. The installation of the frame and the ice dam is more stable.

Optionally, a connecting assembly is arranged between adjacent boundary wall units, the connecting assembly comprises a base plate fixedly connected to one side of the frame, a pressing handle is hinged to the base plate, a hanging ring is arranged on the pressing handle, a locking piece is fixedly connected to the other side of the frame, and a hook matched with the hanging ring on the adjacent boundary wall unit is arranged on the locking piece.

By adopting the technical scheme, after the boundary wall units and the embedded parts are fixed with each other, a worker can use the connecting assembly to fix the adjacent boundary wall units with each other, rotate the pressing handle and hook and tighten the hanging rings on the hooks; thereby tighten up two boundary wall units fixedly, improve the holistic stability of boundary wall.

Optionally, the base plate is connected with an inserting plate in a sliding manner, one end, facing the pressing handle, of the inserting plate is hinged with a hinged plate, one end, far away from the inserting plate, of the hinged plate is hinged with the pressing handle, and the frame locking piece is provided with a positioning hole for accommodating the inserting plate of the adjacent boundary wall unit.

By adopting the technical scheme, the arrangement of the positioning hole can push the inserting plate to slide towards the positioning hole when the pressing handle rotates to tighten the hanging ring and the hook, and the inserting plate is inserted into the positioning hole, so that the overall stability of the junction of the boundary wall unit is improved.

Optionally, an auxiliary assembly is further arranged between the two boundary wall units, the auxiliary assembly comprises a fixed cylinder fixedly connected with one side wall of the frame, a bolt is inserted into the fixed cylinder, and the bolt is inserted into the frame of the adjacent boundary wall unit.

Through adopting above-mentioned technical scheme, the bolt is inserted simultaneously and is established on the frame of two boundary wall units to supplementary fixed is carried out to a boundary wall unit even, has improved the holistic stability of boundary wall.

In summary, the present application includes at least one of the following beneficial technical effects:

1. due to the arrangement of the embedded parts, the boundary wall units can be detachably arranged on the embedded parts, and when workers build the ice rink, the embedded parts are arranged according to various specifications, so that the boundary wall units can be arranged on different embedded parts, the specification of the ice rink is changed, and the adaptability of the ice rink to various competition specification requirements is improved;

2. the ice dam and the protective wall are convenient to mount and dismount due to the arrangement of the fixing assembly, so that convenience in mounting and dismounting the boundary wall unit is improved.

Drawings

FIG. 1 is a schematic overall structure diagram of an ice rink boundary wall according to an embodiment of the present application;

FIG. 2 is a schematic view of the overall structure of an embedment;

FIG. 3 is a schematic structural diagram of the ice rink of 60m × 30m converted into 60m × 26m, and illustrates the installation positions of the boundary wall unit and the embedded parts arranged below the boundary wall unit;

FIG. 4 is a schematic view of the connection of an embedment to an ice dam;

FIG. 5 is a schematic view showing the connection between the protective wall and the ice dam;

FIG. 6 is a schematic structural diagram showing a connecting assembly and an auxiliary assembly;

fig. 7 is a sectional view of the internal structure of the connecting assembly.

Description of reference numerals: 1. embedding parts; 10a, a broadside group; 10b, long side group; 10b1, straight line segment; 10b2, arc segment; 10c, mirror image group; 11. a fixed block; 12. accommodating grooves; 13. a clamping strip; 14. a T-bolt; 141. a positioning groove; 15. fixing a nut; 16. anchoring the bolts; 17. aligning edges; 2. ice dams; 21. a lower tube; 22. a connecting plate; 23. a fastening plate; 231. bending the end; 232. a bar hole; 24. a buffer plate; 25. a fixing plate; 251. a clamping hole; 252. a jack; 3. a protective wall; 31. a frame; 32. a protection plate; 33. arranging a square pipe; 331. inserting a block; 34. a column; 4. a fixing assembly; 41. a clamping plate; 42. a connecting rod; 43. mounting a plate; 44. a rotating shaft; 45. a wrench; 46. clamping the nut; 47. clamping a plate; 5. a connecting assembly; 51. a substrate; 52. pressing the handle; 53. hanging a ring; 54. a locking member; 55. hooking; 56. inserting plates; 57. a hinge plate; 58. positioning holes; 6. an auxiliary component; 61. a fixed cylinder; 62. a bolt; 63. a positioning cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses an ice rink boundary wall. Referring to fig. 1, the ice field boundary wall includes a plurality of boundary wall units, the boundary wall units are divided into straight line boundary wall units and arc boundary wall units according to different shapes, and the straight line boundary wall units and the arc boundary wall units are spliced with each other and enclose a closed ring. An embedded part 1 for fixing a boundary wall unit is embedded on the ground of the ice rink during construction.

As shown in fig. 2, the embedment 1 includes a fixing block 11, the fixing block 11 is buried on the ground and an upper surface of the fixing block 11 is flush with the ground. An holding tank 12 has been seted up downwards to 11 upper surfaces of fixed block, and 12 both sides walls of holding tank respectively are provided with a screens strip 13 near open-ended position, are provided with a T type bolt 14 in the holding tank 12, and the head of T type bolt 14 can be followed and inserted in holding tank 12 between two screens strips 13, and after T type bolt 14 rotated around self axial in holding tank 12, the head of T type bolt 14 was blocked each other with screens strip 13. The T-bolt 14 is further provided with a fixing nut 15 which is in threaded fit with the T-bolt 14. An anchor 16 is fixedly connected to one surface of the fixing block 11, which is far away from the opening of the accommodating groove 12.

When the worker is constructing the ice field, the worker buries the embedded part 1 in the concrete layer of the ground. After the concrete layer is solidified, the working personnel can fix the boundary wall unit above the embedded part 1.

As shown in fig. 3, fig. 3 is a top view of the boundary wall units in the ice field specification conversion of 26m × 60m or 30m × 60m, and the embedded parts 1 are installed below each boundary wall unit. In order to make the specification of the ice field be suitable for the competition requirements of various occasions, the boundary wall units can be spliced into closed rings with different sizes, such as 26m × 60m or 30m × 60m, in the ice field, and in order to adapt to the field requirements of the specifications, the embedded part 1 is embedded with multiple sections according to the set requirements when being installed. Specifically, the two groups of wide sides 10a are provided along the field width direction. A long side group 10b is arranged between the two wide side groups 10a, and the long side group 10b comprises a straight line section 10b1 arranged in parallel with the length direction of the field and circular arc sections 10b2 arranged at two ends of the straight line section 10b 1. Arc segment 10b2 is located in a quarter of an arc and arc segment 10b2 is tangent to straight segment 10b1 and broadside group 10a, respectively. The long side group 10b is provided with a plurality of (two in this embodiment) wide side groups 10a, a mirror group 10c is further provided between the two wide side groups 10a, the mirror group 10c corresponds to the long side group 10b one by one, and the mirror group 10c and the long side group 10b are mirror-symmetrical along the length direction of the field. Since the plurality of long side groups 10b are arranged in the width direction of the field, the distance between each pair of long side groups 10b and the mirror image group 10c is different. In the embodiment, the distances between the two pairs of mirror groups 10c and the long side groups 10b are respectively 26m and 30m, so that the space requirements of 26m × 60m and 30m × 60m are adapted. The staff can install the boundary wall unit on different section built-in fittings 1 to the size in place is adjusted according to the requirement of match, has improved the suitability of ice rink to multiple match.

As shown in fig. 4, the boundary wall unit includes an ice dam 2 disposed near the ground and a protective wall 3 installed above the ice dam 2. The ice dam 2 and the protective wall 3 in the straight boundary wall unit are linear, and the ice dam 2 and the protective wall 3 in the arc boundary wall unit are arc-shaped. The straight line bounding wall unit and the arc bounding wall unit have the same structure except the shape, and the straight line bounding wall unit is taken as an example for explanation.

The ice dam 2 comprises two lower pipes 21 which are arranged in parallel, a connecting plate 22 is arranged between the two lower pipes 21, and two side walls of the connecting plate 22 are fixedly connected with the corresponding lower pipes 21 respectively. A fastening plate 23 which is matched with the T-shaped bolt 14 in the embedded part 1 is further arranged between the two lower pipes 21, and one end of the fastening plate 23 is bent by ninety degrees to form a bent end 231. When the fastening plate 23 and the upper surface of the connecting plate 22 abut against each other, the bent end 231 and the ground abut against each other. The surface of the fastening plate 23 is further provided with a bar hole 232, and the T-shaped bolt 14 passes through the bar hole 232 and is in threaded fit with the fixing nut 15. So that the ice dam 2 is fixed to the embedment 1 by a pressure when the fixing nut 15 is screwed with the T-bolt 14.

As shown in fig. 2 and 4, a positioning rib 17 is further fixed to one end of the positioning bar 13 facing the head of the T-shaped bolt 14, the cross section of the positioning rib 17 is triangular, and the length direction of the positioning rib 17 is arranged along the length direction of the positioning bar 13. The head of the T-shaped bolt 14 is provided with a positioning groove 141 for accommodating the positioning rib 17 to be clamped on the side wall of the clamping strip 13, when the T-shaped bolt 14 is in threaded fit with the fixing nut 15 and the fastening plate 23 is fixed, the positioning rib 17 is clamped in the positioning groove 141, so that the positioning rib 17 limits the rotation of the T-shaped bolt 14, the fixing nut 15 is convenient for workers to screw, and the stability of the T-shaped bolt 14 for fixing the ice dam 2 is improved.

As shown in fig. 4, a buffer plate 24 is further disposed between the protection wall 3 and the ice dam 2, and the buffer plate 24 is made of an acrylic material and is used for buffering the connection between the protection wall 3 and the ice dam 2, reducing the hard extrusion between the ice dam 2 and the protection wall 3, protecting the ice dam 2 and the protection wall 3, and improving the pretightening force during the interconnection between the ice dam 2 and the protection wall 3.

As shown in fig. 5, the protective wall 3 includes a frame 31 and a protective plate 32 installed inside the frame 31. The frame 31 is mainly composed of an upper pipe 33 disposed above the lower pipe 21 and a vertical column 34 fixedly connected to the upper pipe 33, and specifically, the protection plate 32 and the vertical column 34 may be connected to each other by bolts. The upper pipe 33 is provided with two and two upper pipes 33 are arranged at intervals, a plurality of inserting blocks 331 are fixedly connected between the two upper pipes 33, and the lower ends of the inserting blocks 331 protrude out of the lower surface of the lower pipe 21. The upper surfaces of the two lower pipes 21 are also simultaneously provided with a fixing plate 25, the fixing plate 25 is positioned below the buffer plate 24, a bolt (not shown in the figure) penetrates downwards from the buffer plate 24, and the bolt penetrates through the fixing plate 25 and is in threaded connection with the lower pipes 21, so that the mounting plate 43 and the fixing plate 25 are detachably fixed on the lower pipes 21. The fixing plate 25 is formed with an insertion hole 252, and when the frame 31 is mounted on the ice dam 2, the insertion block 331 is inserted into the insertion hole 252 and is engaged with the inner wall of the insertion hole 252.

As shown in fig. 3 and 4, a fixing component 4 for fixing the protection wall 3 and the ice dam 2 is arranged in the protection wall 3, the fixing component 4 includes a clamping plate 41 fixedly connected between the two upper pipes 33, a connecting rod 42 penetrates through the clamping plate 41, an installation plate 43 is sleeved on the connecting rod 42, a rotating shaft 44 is fixedly connected to two opposite side walls of the installation plate 43, and a wrench 45 is rotatably connected to the two rotating shafts 44. The distance from the end surface of one end of the wrench 45 in the length direction to the rotating shaft 44 is smaller than the distance from the side wall of one end of the wrench 45 in the width direction to the rotating shaft 44. When the wrench 45 rotates about the rotary shaft 44, the side wall of the wrench 45 and the mounting plate 43 abut against each other, thereby lifting the connecting rod 42. The circumferential surface of the connecting rod 42 is provided with threads, the upper surface and the lower surface of the mounting plate 43 are respectively provided with a clamping nut 46, the clamping nut 46 is sleeved on the connecting rod 42 and is in threaded fit with the connecting rod 42, and therefore the mounting plate 43 is clamped and fixed by the two connecting rods 42. The lower end of the connecting rod 42 is fixedly connected with a clamping plate 47, a clamping hole 251 which is used for accommodating the clamping plate 47 to pass through and mutually clamped with the clamping plate 47 is formed in the corresponding fixing plate 25, and the clamping plate 47 and the clamping hole 251 are both long-strip-shaped.

When cardboard 47 inserts in calorie hole 251, the staff can rotate connecting rod 42 for cardboard 47 and calorie hole 251 length direction mutually perpendicular, then personnel press wrench 45 for wrench 45 rotates to being on a parallel with mounting panel 43, thereby wrench 45 is with connecting rod 42 lifting, and makes the card strip and the mutual screens of calorie hole 251. The setting of fixed subassembly 4 has improved the convenience that the staff installed protective wall 3 on ice dam 2 to convenient to detach between ice dam 2 and the protective wall 3 has improved the convenience of staff when adjusting the ice rink size.

As shown in fig. 6 and 7, a connecting assembly 5 is further disposed between two adjacent boundary wall units, the connecting assembly 5 includes a base plate 51 fixedly connected to the upright column 34 on one side of the boundary wall unit, a pressing handle 52 is disposed on the base plate 51, and one end of the pressing handle 52 is hinged to the base plate 51. The pressing handle 52 is also provided with a hanging ring 53, and the hanging ring 53 is hinged with the pressing handle 52; the side wall of the upright column 34 at the other side of the boundary wall unit is also provided with a locking piece 54, and the locking piece 54 is provided with a hook 55 which is matched with the hanging ring 53 on the adjacent boundary wall unit. After two adjacent boundary wall units are spliced with each other, a worker can rotate the pressing handle 52, the hanging ring 53 is sleeved on the hook 55, then the worker rotates the pressing handle 52 to one side far away from the hook 55, the hanging ring 53 is tightened on the hook 55, and the two adjacent protective walls 3 are fixed with each other. An inserting plate 56 is also connected to the base plate 51 in a sliding manner, one end of the inserting plate 56, which faces away from the center of the protective wall 3, is hinged to a hinged plate 57, the other end of the hinged plate 57 is hinged to the pressing handle 52, when the two protective walls 3 are connected with each other, the pressing handle 52 rotates, the hanging ring 53 is tightened on the hook 55, the inserting plate 56 slides towards the direction of the locking piece 54 under the driving of the hinged plate 57, the locking piece 54 is further provided with a positioning hole 58 for accommodating the locking piece 54 to be inserted, and the inserting plate 56 is inserted into the positioning hole 58, so that the two protective walls 3 are further fixed with each. The setting of fixed subassembly 4 connects gradually the boundary wall unit fixedly to improve the holistic structural strength of ice rink boundary wall, and then improved the anti-collision performance of ice rink boundary wall, protection sportsman that can be better. Meanwhile, the arrangement of the fixing component 4 also facilitates the disassembly of the boundary wall, so that the convenience of operation of workers is improved when the specification of the ice rink is changed.

As shown in fig. 6, an auxiliary assembly 6 is further disposed between two boundary wall units, the auxiliary assembly 6 includes a fixing cylinder 61 fixedly connected to the upright column 34 on one side of the frame 31, a bolt 62 penetrates through the fixing cylinder 61 in the fixing cylinder 61, a positioning cylinder 63 is mounted on the upright column 34 of the adjacent frame 31, the bolt 62 slides in the fixing cylinder 61 and is inserted into the positioning cylinder 63, so that the bolt 62 assists in fixing the adjacent boundary wall units, installation of the boundary wall by a worker is facilitated, and mutual alignment of the hanging ring 53 and the hook 55, and the inserting plate 56 and the positioning hole 58 in the fixing assembly 4 is facilitated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an ice rink boundary wall which characterized in that: the device comprises a plurality of boundary wall units, wherein the boundary wall units are divided into straight line boundary wall units and arc boundary wall units, and the straight line boundary wall units and the arc boundary wall units are spliced into a closed ring; a plurality of embedded parts (1) for fixing the straight line boundary wall unit or the arc boundary wall unit are also embedded in the ground of the ice rink; the embedded parts (1) are embedded in a plurality of areas, so that the straight boundary wall unit and the arc boundary wall unit are assembled into closed rings with various specifications.

2. An ice rink monument according to claim 1, characterized in that: the embedded parts (1) are divided into two wide side groups (10a) arranged along the width direction of the field, a long side group (10b) arranged along the length direction of the field and a mirror image group (10c) arranged along the length direction of the field in a mirror image mode with the long side group (10b) according to installation positions; the long side group (10b) is positioned between the two wide side groups (10a) and comprises a straight line section (10b1) and circular arc sections (10b2) arranged at two ends of the straight line section (10b 1); the long edge groups (10b) are at least provided with two groups along the width direction of the field.

3. An ice rink monument according to claim 1 or 2, characterized in that: the embedded part (1) comprises a fixed block (11), an accommodating groove (12) is formed in the upper surface of the fixed block (11), a T-shaped bolt (14) used for being fixed with a straight line boundary wall unit or an arc boundary wall unit is arranged in the accommodating groove (12), clamping strips (13) matched with the head of the T-shaped bolt (14) for clamping are respectively formed in the two side walls, close to the opening, of the accommodating groove (12), and a fixing nut (15) is matched with the T-shaped bolt (14) in a threaded mode.

4. An ice rink monument according to claim 3, characterized in that: the boundary wall unit comprises an ice dam (2) and a protective wall (3), wherein the ice dam (2) is arranged towards the ground, the protective wall (3) is arranged above the ice dam (2), the ice dam (2) comprises two lower pipes (21) which are arranged in parallel, a plurality of connecting plates (22) are arranged between the two lower pipes (21), a fastening plate (23) is further arranged between the two lower pipes (21), and the fastening plate (23) is sleeved on a T-shaped bolt (14) and is mutually clamped with the connecting plates (22).

5. An ice rink monument wall according to claim 4, characterized in that: one end of the fastening plate (23) is mutually abutted against the connecting plate (22), and the other end is bent towards the ground to form a bending end (231) attached to the ground.

6. An ice rink monument wall according to claim 4, characterized in that: protective wall (3) include frame (31) of rigid coupling on ice dam (2) and set up at inboard guard plate (32) of frame (31), frame (31) are provided with fixed subassembly (4) with ice dam (2) quick fixation, fixed subassembly (4) are including setting up screens board (41) on frame (31), wear to be equipped with connecting rod (42) on screens board (41), and connecting rod (42) are equipped with a cardboard (47) towards the one end rigid coupling of ice dam (2), are provided with spanner (45) that are used for promoting connecting rod (42) on connecting rod (42), and the rigid coupling is equipped with a fixed plate (25) on corresponding ice dam (2), offers on fixed plate (25) with cardboard (47) cooperation screens card hole (251).

7. An ice rink monument wall as claimed in claim 6, characterized in that: the cover is equipped with an mounting panel (43) on connecting rod (42), each rigid coupling has a pivot (44) on the relative both sides wall of mounting panel (43), and spanner (45) rotate to be connected on mounting panel (43) and the lateral wall and the screens board (41) of spanner (45) are each other butt, have seted up the external screw thread on connecting rod (42) to each threaded sleeve in the both sides that lie in mounting panel (43) on connecting rod (42) is equipped with a clamping nut (45).

8. An ice rink monument wall as claimed in claim 6, characterized in that: be provided with coupling assembling (5) between adjacent boundary wall unit, coupling assembling (5) are including base plate (51) of rigid coupling in frame (31) one side, and articulated on base plate (51) have one to press handle (52), are provided with a link (53) on pressing handle (52), and the opposite side rigid coupling of frame (31) has a locking piece (54), be provided with on locking piece (54) one with adjacent boundary wall unit on link (53) cooperation couple (55).

9. An ice rink monument according to claim 8, characterized in that: an inserting plate (56) is connected to the base plate (51) in a sliding mode, a hinged plate (57) is hinged to one end, facing the pressing handle (52), of the inserting plate (56), one end, far away from the inserting plate (56), of the hinged plate (57) is hinged to the pressing handle (52), and a positioning hole (58) for accommodating the inserting plate (56) of the adjacent boundary wall unit is formed in a locking piece (54) of the frame (31).

10. An ice rink monument wall as claimed in claim 6, characterized in that: still be provided with auxiliary assembly (6) between two boundary wall units, auxiliary assembly (6) are including rigid coupling frame (31) a lateral wall fixed cylinder (61), and fixed cylinder (61) interpolation is equipped with a bolt (62), and bolt (62) insert in adjacent boundary wall unit frame (31).