CN211699485U - Real estate building planning model sand table - Google Patents

Abstract

The utility model relates to the technical field of building planning, in particular to a sand table of a real estate building planning model; the LED floor model building device comprises a base, a building floor model, LED lamps, vertical rods and supporting legs, wherein guide wheels are arranged at the bottom ends of the supporting legs, telescopic cross rods are horizontally arranged at the top ends of the vertical rods, and spray heads are arranged on the telescopic cross rods; the base top left and right sides all is connected with the curb plate, be connected with the arch crossbeam between two sets of curb plate tops, still include the slide bar, slider and injecing the post, still include the dead lever, rotate the handle, the rotating turret, the rotation post, first bevel gear, second bevel gear and driven screw post, first logical inslot portion is rotatable to be fixed with first ball group, second logical inslot portion is rotatable to be fixed with second ball group, two sets of third logical inslot portion is rotatable respectively to be fixed with third ball group, first position circle inboard all is provided with first locating wheel group, two sets of second position circle inboards all are provided with second locating wheel group.

Description

Real estate building planning model sand table

Technical Field

The utility model relates to a building planning's technical field specifically is a real estate building planning model sand table.

Background

As is well known, a real estate building planning model sand table is an auxiliary device used for placing models in the real estate building planning process so as to better display building results, and is widely used in the field of building planning;

the present chinese utility model patent with application number "CN 201520726672.0" discloses "a building model sand table", which is roughly described as: the LED floor model building support comprises a base, a building floor model, LED lamps, vertical rods and support legs, wherein the support legs are arranged on the bottom side of the base, guide wheels are arranged at the bottom ends of the support legs, telescopic cross rods are horizontally arranged at the top ends of the vertical rods, and spray heads are arranged on the telescopic cross rods;

the utility model prevents the sand table from being corroded by the surface water through the supporting legs, the service life is influenced, the guide wheels facilitate the movement of the heavy sand table, time and labor are saved, the building floor model enables people to clearly and intuitively see the distribution condition of floors, and the influence on each floor when raining is simulated by adjusting the telescopic cross rods and the spray heads, so that people can intuitively see the condition of the building, and the building floor model is simple and convenient;

current portable engineering mapping tool case, its building floor model condition of being in the light each other can not conveniently observe to lead to its service function less, the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a mutual condition of being in the light of its building floor model can conveniently observe to increase its service function, improve the real estate building planning model sand table of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a real estate building planning model sand table comprises a base, a building floor model, LED lamps, vertical rods and supporting legs, wherein guide wheels are arranged at the bottom ends of the supporting legs, telescopic cross rods are horizontally arranged at the top ends of the vertical rods, and spray heads are arranged on the telescopic cross rods; the building floor model is installed on the top end of the base, the left side and the right side of the top end of the base are both connected with side plates, an arched beam is connected between the top ends of the two groups of side plates, the building floor model further comprises a slide rod, a slide block and a limiting column, the left side and the right side walls of the arched beam are respectively installed at the left end and the right end of the slide rod, the limiting column is installed at the bottom end of the slide block, an LED lamp is installed at the bottom end of the limiting column, the building floor model further comprises a fixed rod, a rotating handle, a rotating rack, a rotating column, a first bevel gear, a second bevel gear and a driven threaded column, the fixed rod is installed on the left side of the side plate on the left side, the rotating handle is rotatably installed at the bottom end of the rotating rack, the bottom end of the rotating column is connected with the rotating rack, the first bevel gear, the left end of the sliding rod passes through the first ball group and extends out to the left side of the limiting column, a second through groove is longitudinally arranged on the fixed rod, a second ball group is rotatably fixed in the second through groove, the top end of the rotating column passes through the second ball group and extends out to the upper part of the fixed rod, third through grooves are transversely arranged on the left side and the right side of the arched crossbeam, and rotatable third ball group that is fixed with respectively in two sets of third through slot insides, both ends pass two sets of third ball group respectively and all stretch out to the arch crossbeam outside from the screw post left and right sides, the fixed cover in the dead lever outside is equipped with two sets of first position circles, first position circle inboard all is provided with first location wheelset, two sets of first location wheelset paste tight contact with dead lever top and bottom respectively, from the fixed cover in the screw post outside is equipped with two sets of second position circles, two sets of second position circle inboard all is provided with second location wheelset, two sets of second location wheelset paste tight contact with the arch crossbeam left and right sides respectively.

Preferably, still include the bottom plate, four electric telescopic handle of group, accept the case, go up spacing circle and lower spacing circle, base and bottom plate four corners are connected to four electric telescopic handle of group, it installs on the bottom plate top to accept the case, it is provided with accepts the chamber to accept incasement portion, it is provided with the socket to accept the case top intercommunication, lower spacing circle suit is fixed in accepting case lateral wall top, it is in accepting case lateral wall top to go up spacing circle suit, go up spacing circle bottom and contact on lower spacing circle top, the intercommunication is provided with the waterlogging caused by excessive rainfall mouth group on the base, waterlogging caused by excessive rainfall mouth group lies in directly over the socket is inside, the.

Preferably, still include pivot and rotor plate, rotor plate bottom center is provided with rotates the groove, and the pivot top is provided with the rotor plate, and the rotor plate is located and rotates inslot portion, and the rotor plate can rotate the groove relatively and rotatory, and the pivot bottom is installed on the base top, and the montant is installed at rotor plate top center.

Preferably, the iron plate comprises four groups of upper connecting columns, four groups of sleeve springs, four groups of telescopic pipes, four groups of lower connecting columns, an annular iron plate and an annular iron-absorbing stone plate, wherein the annular iron-absorbing stone plate is arranged at the bottom end of the rotating plate, the top ends of the four groups of upper connecting columns are respectively arranged at the left front side, the right front side, the left rear side and the right rear side of the bottom end of the annular iron plate, one ends of the four groups of sleeve springs and the four groups of telescopic pipes are respectively connected with the four groups of upper connecting columns, the other ends of the four groups of sleeve springs and the four groups of telescopic pipes are respectively connected with the four groups of lower connecting columns, the four groups of sleeve springs are respectively sleeved at the outer sides of the four groups of telescopic pipes, the four groups of lower, and a fourth ball group is rotatably fixed on the inner side walls of the two groups of fourth through grooves, and the bottom end of the rotating shaft penetrates through the two groups of fourth ball groups and extends out to the lower part of the annular iron plate.

Preferably, still include two sets of pull rods and arm-tie, vertically be provided with two sets of fifth logical grooves on the base to all can rotate at two sets of fifth logical inslot lateral wall and be fixed with the fifth ball group, the top of two sets of pull rods is connected with the annular iron plate bottom left and right sides respectively, the bottom of two sets of pull rods passes two sets of fifth ball groups respectively and all stretches out to the base below and install respectively in the arm-tie top left and right sides, the arm-tie bottom is connected with the pull ring, the arm-tie top is provided with the bradyseism layer, the bradyseism layer contacts bottom side of the base.

(III) advantageous effects

Compared with the prior art, the utility model provides a real estate building planning model sand table possesses following beneficial effect: the LED lamp can imitate sunlight irradiation while illuminating, when in irradiation, the LED lamp can drive a first bevel gear on a rotating column to rotate by manually rotating a rotating handle, the first bevel gear and a second bevel gear are meshed to conveniently drive a driven threaded column to rotate, the design of matching with the slider screw installation is transversely restricted by a sliding rod, so that the slider slides left and right on the sliding rod, the LED lamp can be driven to conveniently imitate sunrise and sunset to finish irradiation in different directions, the practicability is improved, the manual rotation is more reliable and electricity is saved, the mutual light blocking condition of building floor models can be conveniently observed, the use function is increased, the practicability is improved, a limiting column slides more smoothly relative to the sliding rod through a first ball group, a rotating column rotates more smoothly through a second ball group, a driven threaded column rotates more smoothly through a third ball group, two groups of first positioning rings facilitate the rotating column to only rotate without longitudinal movement, two sets of second position circle convenience only rotate and lateral shifting from the driven screw thread post, and first location wheelset and second location wheelset conveniently rotate and improve the support effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is an enlarged view of a portion C of FIG. 1;

FIG. 5 is an enlarged view of a portion D of FIG. 1;

in the figure: 1. a base; 2. building floor models; 3. an LED lamp; 4. a vertical rod; 5. supporting legs; 6. a guide wheel; 7. a telescopic cross bar; 8. a spray head; 9. a side plate; 10. an arched beam; 11. a slide bar; 12. a slider; 13. defining a column; 14. fixing the rod; 15. rotating the handle; 16. a rotating frame; 17. rotating the column; 18. a first bevel gear; 19. a second bevel gear; 20. a driven threaded post; 21. a first positioning ring; 22. a first positioning wheel set; 23. a second positioning ring; 24. a second positioning wheel set; 25. a base plate; 26. an electric telescopic rod; 27. a receiving box; 28. an upper limiting ring; 29. a lower limit ring; 30. a draining port group; 31. a rotating shaft; 32. a rotating plate; 33. a rotating sheet; 34. a spring sleeve; 35. an annular iron plate; 36. an annular magnet stone plate; 37. a pull rod; 38. pulling a plate; 39. a pull ring; 40. and a shock absorption layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model relates to a real estate building planning model sand table, which comprises a base 1, a building floor model 2, LED lamps 3, vertical bars 4 and supporting legs 5, wherein the bottom ends of the supporting legs 5 are provided with guide wheels 6, the top ends of the vertical bars 4 are horizontally provided with telescopic cross bars 7, and the telescopic cross bars 7 are provided with spray heads 8; the building floor model 2 is arranged on the top end of a base 1, the left side and the right side of the top end of the base 1 are both connected with side plates 9, an arched beam 10 is connected between the top ends of two groups of side plates 9, the building floor model further comprises a slide rod 11, a slide block 12 and a limiting column 13, the left end and the right end of the slide rod 11 are respectively arranged on the left side wall and the right side wall in the arched beam 10, the limiting column 13 is arranged at the bottom end of the slide block 12, an LED lamp 3 is arranged at the bottom end of the limiting column 13, the building floor model further comprises a fixed rod 14, a rotating handle 15, a rotating frame 16, a rotating column 17, a first bevel gear 18, a second bevel gear 19 and a driven threaded column 20, the fixed rod 14 is arranged on the left side of the side plate 9, the rotating handle 15 is rotatably arranged at the bottom end of the, the slide block 12 is sleeved outside the driven threaded column 20 in a threaded manner, a first through groove is transversely arranged on the limiting column 13, a first ball group is rotatably fixed in the first through groove, the left end of the slide rod 11 penetrates through the first ball group and extends to the left side of the limiting column 13, a second through groove is longitudinally arranged on the fixing rod 14, a second ball group is rotatably fixed in the second through groove, the top end of the rotating column 17 penetrates through the second ball group and extends to the upper side of the fixing rod 14, third through grooves are transversely arranged on the left side and the right side of the arched beam 10, third ball groups are rotatably fixed in the two third through grooves respectively, the left end and the right end of the driven threaded column 20 penetrate through the two third ball groups respectively and extend to the outer side of the arched beam 10, two first positioning rings 21 are fixedly sleeved on the outer side of the fixing rod 14, a first positioning wheel group 22 is arranged on the inner side of the first positioning ring 21, and the two first positioning wheel groups 22 are respectively attached to and tightly contacted, two groups of second positioning rings 23 are fixedly sleeved outside the driven threaded column 20, the inner sides of the two groups of second positioning rings 23 are respectively provided with a second positioning wheel group 24, the two groups of second positioning wheel groups 24 are respectively attached to and closely contacted with the left side and the right side of the arched crossbeam 10, the LED lamp 3 can simulate sunlight irradiation while illuminating, the rotating handle 15 can be manually rotated to drive the first bevel gear 18 on the rotating column 17 to rotate during illumination, the first bevel gear 18 is meshed with the second bevel gear 19 to conveniently drive the driven threaded column 20 to rotate, the design matched with the screw installation of the sliding block 12 is transversely restricted by the sliding block 11, so that the sliding block 12 slides left and right on the sliding block 11, the LED lamp 3 can be driven to conveniently simulate sunrise and sunset to finish irradiation in different directions, the practicability is improved, the manual rotation is more reliable and electricity is saved, the mutual light blocking condition of the building floor model 2 can be conveniently observed, thereby, the practicality is improved, make the relative slide bar 11 of limit post 13 through first ball group and slide more in the same direction as smooth, second ball group makes the rotation post 17 rotate more in the same direction as smooth, third ball group makes driven screw post 20 rotate more in the same direction as smooth, two sets of first position circle 21 make things convenient for the rotation post 17 only to rotate and longitudinal movement not, two sets of second position circle 23 make things convenient for driven screw post 20 to only rotate and lateral movement not, first location wheelset 22 and the convenient rotation of second location wheelset 24 improve the supporting effect.

The electric height-adjustable multifunctional pedestal is characterized by further comprising a bottom plate 25, four groups of electric telescopic rods 26, a receiving box 27, an upper limiting ring 28 and a lower limiting ring 29, wherein the four groups of electric telescopic rods 26 are connected with four corners of the pedestal 1 and the bottom plate 25, the receiving box 27 is installed at the top end of the bottom plate 25, a receiving cavity is formed in the receiving box 27, a receiving opening is formed in the top end of the receiving box 27 in a communication mode, the lower limiting ring 29 is fixedly sleeved on the outer side wall of the receiving box 27, the upper limiting ring 28 is sleeved on the outer side wall of the receiving box 27, the bottom end of the upper limiting ring 28 is in contact with the top end of the lower limiting ring 29, a draining opening group 30 is arranged on the pedestal 1 in a communication mode, the draining opening group 30 is located right above the receiving opening, the supporting legs 5 are installed at the bottom side of the pedestal 1 and can be supported by the bottom plate 25, the four, when the device is bought for use, the device can be used only by being electrically connected according to the purchased instructions, and the connecting wires can be reasonably wired for work, so that the description is omitted, the draining port group 30 is convenient for draining water into the receiving box 27 after simulating raining so as to be convenient for subsequent treatment of water, the upper limiting ring 28 can be pulled out, a collecting bag is placed in the receiving box 27, the edge of the collecting bag extends out of the receiving box 27 and is sleeved in the upper limiting ring 28, so that the collecting bag is convenient to limit, the collecting bag can further facilitate the receiving and cleaning of the receiving box 27 when the water is discharged, the device also comprises a rotating shaft 31 and a rotating plate 32, a rotating groove is arranged in the center of the bottom end of the rotating plate 32, a rotating sheet 33 is arranged at the top end of the rotating shaft 31, the rotating sheet 33 is arranged in the rotating groove, and the rotating sheet 33 can rotate relative to the rotating groove, the bottom end of the rotating shaft 31 is arranged at the top end of, the vertical rod 4 is arranged at the center of the top end of the rotating plate 32 and can rotate by manually rotating the rotating plate 32, the angle of a spray head 8 on the rotating plate 32 can be conveniently rotated and adjusted according to the spraying requirement, and the spray head is more space-saving than that of the spray head arranged on one side, the whole volume is smaller, the spray head further comprises four groups of upper connecting columns, four groups of sleeve springs 34, four groups of telescopic pipes, four groups of lower connecting columns, an annular iron plate 35 and an annular iron-absorbing stone plate 36, the annular iron-absorbing stone plate 36 is arranged at the bottom end of the rotating plate 32, the top ends of the four groups of upper connecting columns are respectively arranged at the left front side, the right front side, the left rear side and the right rear side of the bottom end of the annular iron plate 35, one ends of the four groups of sleeve springs 34 and the four groups of telescopic pipes are respectively connected with the four groups of upper connecting columns, the other ends, the annular iron-absorbing stone plate 36 is adsorbed above the annular iron plate 35, the centers of the annular iron-absorbing stone plate 36 and the annular iron plate 35 are longitudinally provided with fourth through grooves, fourth ball groups can be rotatably fixed on the inner side walls of the two groups of fourth through grooves, the bottom end of the rotating shaft 31 penetrates through the two groups of fourth ball groups and extends to the lower side of the annular iron plate 35, the rotating plate 32 can be conveniently assisted and limited by mutual adsorption of the annular iron plate 35 and the annular iron-absorbing stone plate 36, when the rotating plate 32 rotates, the annular iron plate 35 is downwards extruded to compress the four groups of sleeve springs 34, so that the annular iron plate 35 and the annular iron-absorbing stone plate 36 are not mutually adsorbed, the rotating plate 32 is convenient to rotate, and in a normal state, the sleeve springs 34 drive the annular iron plate 35 to be adsorbed by the annular iron plate 36, so that the rotating plate 32 is fixed, the telescopic pipe auxiliary sleeve springs 34 are not easy to distort when supporting, the fourth ball groups assist the annular iron plate 35 to, also comprises two groups of pull rods 37 and pull plates 38, two groups of fifth through grooves are longitudinally arranged on the base 1, and the inner side walls of the two groups of fifth through grooves can be rotatably fixed with fifth ball groups, the top ends of the two groups of pull rods 37 are respectively connected with the left side and the right side of the bottom end of the annular iron plate 35, the bottom ends of the two groups of pull rods 37 respectively penetrate through the two groups of fifth ball groups and extend out to the lower part of the base 1 to be respectively installed on the left side and the right side of the top end of the pull plate 38, the bottom end of the pull plate 38 is connected with a pull ring 39, the top end of the pull plate 38 is provided with a shock absorption layer 40, it can make it drive two sets of pull rods 37 on the arm-tie 38 and carry out longitudinal movement through manual pulling pull ring 39, and the further convenient annular iron plate 35 of extrusion downwards and then four sets of cover springs 34 of compression, and the supplementary pull rod 37 of fifth ball group slides more smoothly, and the bradyseism layer 40 is convenient to carry out the bradyseism protection when arm-tie 38 is carelessly kick-backed greatly.

In the description, it should be noted that the installation manner, the connection manner, or the setting manner of all the above-mentioned components are all welding, riveting, or other common mechanical manners, wherein slidable/rotatable fixation means that the components do not fall off in a sliding/rotatable state, sealed communication means that two connecting pieces are communicated and simultaneously sealed, and the specific structures, models, and coefficient indexes of all the components are all self-contained technologies, as long as the beneficial effects can be achieved, all the above-mentioned power utilization modules and power utilization devices are common electric devices in the market, when the power utilization modules and the power utilization devices are bought for use, the power utilization modules and the power utilization devices can be used only by being electrically connected with each other according to the usage instruction purchased from the market, and the control module is a common self-contained module, so that the description is not repeated, and the terms "include", "include" or any other variants thereof are intended to cover non, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A real estate building planning model sand table comprises a base (1), a building floor model (2), LED lamps (3), vertical rods (4) and supporting legs (5), wherein guide wheels (6) are arranged at the bottom ends of the supporting legs (5), telescopic cross rods (7) are horizontally arranged at the top ends of the vertical rods (4), and spray heads (8) are arranged on the telescopic cross rods (7); the method is characterized in that: the building floor model (2) is arranged on the top end of a base (1), the left side and the right side of the top end of the base (1) are respectively connected with side plates (9), an arched crossbeam (10) is connected between the top ends of two groups of side plates (9), the building floor model further comprises a slide rod (11), a slide block (12) and a limiting column (13), the left end and the right end of the slide rod (11) are respectively arranged on the left side wall and the right side wall in the arched crossbeam (10), the limiting column (13) is arranged at the bottom end of the slide block (12), an LED lamp (3) is arranged at the bottom end of the limiting column (13), the building floor model further comprises a fixing rod (14), a rotating handle (15), a rotating frame (16), a rotating column (17), a first bevel gear (18), a second bevel gear (19) and a driven threaded column (20), the fixing rod (14) is arranged on the left side of the, a first bevel gear (18) is arranged at the top end of a rotating column (17), a second bevel gear (19) is arranged at the left end of a driven threaded column (20), the first bevel gear (18) is meshed with the second bevel gear (19), a sliding block (12) is sleeved outside the driven threaded column (20) in a threaded manner, a first through groove is transversely arranged on a limiting column (13), a first ball group is rotatably fixed in the first through groove, the left end of the sliding rod (11) penetrates through the first ball group and extends out to the left side of the limiting column (13), a second through groove is longitudinally arranged on a fixing rod (14), a second ball group is rotatably fixed in the second through groove, the top end of the rotating column (17) penetrates through the second ball group and extends out above the fixing rod (14), third through grooves are transversely arranged on the left side and the right side of an arched cross beam (10), and third ball groups are rotatably fixed in the two third through grooves respectively, two ends pass two sets of third ball group respectively and all stretch out to the arch crossbeam (10) outside about driven screw post (20), the fixed cover in dead lever (14) outside is equipped with two sets of first position circles (21), first position circle (21) inboard all is provided with first location wheelset (22), two sets of first location wheelset (22) paste tight contact with dead lever (14) top and bottom respectively, the fixed cover in driven screw post (20) outside is equipped with two sets of second position circles (23), two sets of second position circles (23) inboard all is provided with second location wheelset (24), two sets of second location wheelset (24) paste tight contact with the arch crossbeam (10) left and right sides respectively.

2. A real estate building planning model sand table as claimed in claim 1 wherein: still include bottom plate (25), four electric telescopic handle of group (26), accept case (27), go up spacing circle (28) and lower spacing circle (29), base (1) and bottom plate (25) four corners are connected in four electric telescopic handle of group (26), it installs on bottom plate (25) top to accept case (27), it accepts the chamber to accept case (27) inside being provided with, it is provided with the socket to accept case (27) top intercommunication, it fixes in accepting case (27) lateral wall top to go up spacing circle (28) suit, it contacts with lower spacing circle (29) top to go up spacing circle (28) bottom, the intercommunication is provided with drain mouth group (30) on base (1), drain mouth group (30) are located directly over the socket is inside, install in base (1) bottom side supporting leg (5).

3. A real estate building planning model sand table as claimed in claim 2 wherein: the novel rotary table is characterized by further comprising a rotary shaft (31) and a rotary plate (32), wherein a rotary groove is formed in the center of the bottom end of the rotary plate (32), a rotary sheet (33) is arranged on the top end of the rotary shaft (31), the rotary sheet (33) is located in the rotary groove, the rotary sheet (33) can rotate relative to the rotary groove, the bottom end of the rotary shaft (31) is installed on the top end of the base (1), and the vertical rod (4) is installed in the center of the top end of the rotary plate (32.

4. A real estate building planning model sand table as claimed in claim 3 wherein: the telescopic type iron plate comprises four groups of upper connecting columns, four groups of sleeve springs (34), four groups of telescopic pipes, four groups of lower connecting columns, an annular iron plate (35) and an annular iron-absorbing stone plate (36), wherein the annular iron-absorbing stone plate (36) is arranged at the bottom end of a rotating plate (32), the top ends of the four groups of upper connecting columns are respectively arranged at the left front side, the right front side, the left rear side and the right rear side of the bottom end of the annular iron plate (35), one ends of the four groups of sleeve springs (34) and the four groups of telescopic pipes are respectively connected with the four groups of upper connecting columns, the other ends of the four groups of sleeve springs (34) and the four groups of telescopic pipes are respectively connected with the four groups of lower connecting columns, the four groups of sleeve springs (34) are respectively sleeved at the outer sides of the four groups of telescopic pipes, the four groups of lower connecting columns are respectively arranged at the top end of a base (1, and a fourth ball group can be rotationally fixed on the inner side walls of the two groups of fourth through grooves, and the bottom end of the rotating shaft (31) penetrates through the two groups of fourth ball groups and extends out to the lower part of the annular iron plate (35).

5. A real estate building planning model sand table as claimed in claim 4 wherein: still include two sets of pull rod (37) and arm-tie (38), vertically be provided with two sets of fifth through grooves on base (1), and all be fixed with the fifth ball group at two sets of fifth through inslot lateral wall rotation, the top of two sets of pull rod (37) is connected with annular iron plate (35) bottom left and right sides respectively, the bottom of two sets of pull rod (37) is passed two sets of fifth ball group respectively and all is stretched out to base (1) below and installs respectively in arm-tie (38) top left and right sides, arm-tie (38) bottom is connected with pull ring (39), arm-tie (38) top is provided with bradyseism layer (40), bradyseism layer (40) and base (1) bottom side contact.

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