阅读说明：本技术 一种基于bim的建筑施工模拟的装置 (Building construction simulation device based on BIM ) 是由 唐小卫 陈州 夏夕虹 王燕 郁海军 于 2020-05-13 设计创作，主要内容包括：本申请提供了一种基于BIM的建筑施工模拟的装置,属于施工模拟装置技术领域。其技术方案为：一种基于BIM的建筑施工模拟的装置,包括支架,支架上端设置有开合机构,支架底部设置有粗调机构,粗调机构上设置有旋转机构,旋转机构上设置有精调机构。本申请的有益效果为：本申请可以在平台上对施工位置进行施工,当施工位置较高时,粗调机构与精调机构配合实现整个装置的升降,并且当对特殊位置进行施工时,不需要操作工人频繁的转身,提高了施工的安全性。(The application provides a building construction simulation's device based on BIM belongs to construction analogue means technical field. The technical scheme is as follows: the utility model provides a device of construction simulation based on BIM, includes the support, and the support upper end is provided with the mechanism that opens and shuts, and the support bottom is provided with coarse adjustment mechanism, is provided with rotary mechanism in the coarse adjustment mechanism, is provided with fine tuning on the rotary mechanism. The beneficial effect of this application does: this application can be under construction to the construction position on the platform, and when the construction position was higher, the lift of whole device was realized with the cooperation of fine tuning to coarse tuning to when being under construction to special position, do not need frequent turning of operation workman, improved the security of construction.)

1. A building construction simulation device based on BIM is characterized by comprising a support (1), wherein an opening and closing mechanism (2) is arranged at the upper end of the support (1), a coarse adjustment mechanism (3) is arranged at the bottom of the support (1), a rotating mechanism (4) is arranged on the coarse adjustment mechanism (3), and a fine adjustment mechanism (5) is arranged on the rotating mechanism (4);

the support (1) comprises an upper layer support (11) and a lower layer support (12), a platform (111) is arranged on the upper layer support (11), a channel (1111) is arranged in the middle of the platform (111), and the opening and closing mechanism (2) is arranged on the channel (1111);

the opening and closing mechanism (2) comprises a left door (21), a right door (22) and a gear and rack transmission mechanism (23), wherein the gear and rack transmission mechanism (23) controls the left door (21) and the right door (22) to move in opposite directions, so that the channel (1111) is opened and closed;

a bearing table (121) is arranged on a lower-layer support (12) of the support (1), the coarse adjustment mechanism (3) is arranged on the bearing table (121), the coarse adjustment mechanism (3) comprises a lower-layer support frame (31), an upper-layer lifting frame (32) and a worm and gear transmission mechanism (33), the worm and gear transmission mechanism (33) drives the upper-layer lifting frame (32) to move up and down along the lower-layer support frame (31), the upper-layer lifting frame (32) is provided with the rotating mechanism (4), and the rotating mechanism (4) drives the fine adjustment mechanism (5) to do circumferential rotation;

the fine adjustment mechanism (5) comprises a fixed seat (51), a first-stage lifting rod (52) is arranged in the fixed seat (51), a belt transmission mechanism (53) is arranged on the first-stage lifting rod (52), the belt transmission mechanism (53) is arranged in the fixed seat (51), a second-stage lifting rod (54) is arranged in the first-stage lifting rod (52), the second-stage lifting rod (54) is connected with the belt transmission mechanism (53), through holes are formed in two sides of the fixed seat (51), an extension plate (521) is arranged on the first-stage lifting rod (52), the extension plate (521) penetrates through the through holes and is arranged on the outer side of the fixed seat (51), an electric push rod (55) is arranged at the bottom of the extension plate (521), the electric push rod (55) drives the first-stage lifting rod (52) to drive the belt transmission mechanism (53) to vertically move along the fixed seat (51), and then the second-level lifting rod (54) is driven to do vertical lifting motion along the first-level lifting rod (52).

2. The BIM-based building construction simulation apparatus according to claim 1, wherein universal wheels (13) are provided at the bottom of the lower support (12).

3. The BIM-based building construction simulation device according to claim 1, wherein the channel (1111) is a square channel, and is close to the channel (1111) side provided with a guide rail (1112), the left side door (21) one end is provided with a connecting portion A (211), the connecting portion A (211) is provided with a through hole A, the guide rail (1112) is arranged in the through hole A in a penetrating way, the right side door (22) side is provided with a connecting portion B (221), the connecting portion B (221) is provided with a through hole B, and the guide rail (1112) is arranged in the through hole B in a penetrating way.

4. The BIM-based construction simulation apparatus of claim 3, the gear rack transmission mechanism (23) comprises a left side rack (231), a right side rack (232) and a gear (233), the left side rack (231) is fixed on the connecting part A (211) of the left side door (21), the right side rack (232) is fixed on the connecting part B (221) of the right side door (22), the gear (233) is arranged between the left rack (231) and the right rack (232), the platform (111) is provided with a shaft hole, a gear shaft is arranged in the shaft hole, the gear shaft penetrates through the platform (111), one end of the gear shaft is provided with a motor A (234), the other end of the gear shaft is provided with the gear (233), the gear (233) is engaged with the left-side rack (231), and the gear (233) is engaged with the right-side rack (232).

5. The BIM-based building construction simulation device according to claim 1, wherein a lightening hole is formed in the center of the bearing platform (121), the coarse adjustment mechanism (3) is bridged on the lightening hole, the lower layer support frame (31) comprises two bottom plates (311) which are symmetrically arranged in parallel, support rods (312) are arranged at two ends of each bottom plate (311), a hollow cylindrical tube (3111) is arranged in the center of each bottom plate (311), guard plates are arranged on two sides of each cylindrical tube (3111), a limit plate (313) is arranged at the upper end of each guard plate, a through hole C is formed in each limit plate (313), the through hole C is concentric with the cylindrical tube (3111), each limit plate (313) is arranged at the upper end of the cylindrical tube (3111), an extension part is arranged on one side of each guard plate, each extension part is provided with a fixing hole, the upper layer lifting frame (32) comprises a flat plate (321), the flat plate (321) is square, sleeves (322) are arranged at four corners of the bottom of the flat plate (321), the supporting rod (312) is sleeved in the sleeves (322), a cross arm (323) is arranged between two groups of sleeves (322) of the flat plate (321), a screw rod (324) is arranged on each cross arm (323), the screw rods (324) extend towards the direction of the bottom plate (311), the screw rods (324) penetrate through the through holes C and are arranged on the cylindrical tube (3111), the worm gear transmission mechanism (33) comprises a worm gear (331), a worm (332) and a motor B (333), the worm gear (331) is sleeved on the screw rods (324), internal threads corresponding to the external threads of the screw rods (3111) are arranged in the worm gear holes of the worm gear (331), the worm gear (331) is arranged at the upper end of the cylindrical tube (3111) and is arranged at the lower end of the limiting plate (313), worm wheel (331) one side sets up worm (332), worm (331) set up in the fixed orifices, worm (332) with worm wheel (331) meshing, one of them side be provided with motor B (333) on worm (332), be provided with between two worms (331) that the symmetry set up and pass through transmission shaft (334), transmission shaft (334) both ends with worm (332) pass through the coupling joint.

6. The BIM-based construction simulation apparatus of claim 5, the rotating mechanism (4) comprises a bull eye (41), a rotating shaft (42), a disc (43) and a motor C (44), a round counter bore (3211) is arranged at the top of the flat plate (321), a rotating shaft through hole is arranged in the round counter bore (3211), the rotating shaft (42) passes through the rotating shaft through hole, one end of the rotating shaft is provided with the motor C (44), the motor C (44) is arranged on a hanging rack (45), the hanging rack (45) is arranged at the bottom of the flat plate (321), the other end of the rotating shaft (42) is provided with the disc (43), the disc (43) is fixedly connected with the rotating shaft (42), the bull eyes (41) are arranged in the circular counter bore (3211), and the bull eyes (41) are uniformly arranged along the axis of the rotating shaft (42).

7. The BIM-based building construction simulation device according to claim 6, wherein the disc (43) is provided with the fixing base (51), the fixing base (51) is a hollow cylinder, the upper end of the fixing base (51) is open, the first-stage lifting rod (52) is arranged in the fixing base (51), the first-stage lifting rod (52) is a hollow cylinder with two open ends, one end of the first-stage lifting rod (52) is arranged in the fixing base (51) in a penetrating manner, the tail end of the first-stage lifting rod (52) arranged in the fixing base (51) in a penetrating manner is fixedly connected with the belt transmission mechanism (53), the belt transmission mechanism (53) comprises a belt wheel (533) wound on the belt wheel A (531) and the belt wheel B (532) between the belt wheel A (531) and the belt wheel B (532), and fixing plates (522) are symmetrically arranged on two sides of the tail end of the first-stage lifting rod (52), the belt pulley comprises a fixing plate (522), wherein an upper belt pulley hole and a lower belt pulley hole are formed in the fixing plate (522), a belt pulley A (531) and a belt pulley B (532) are arranged between the fixing plate (522), the belt pulley A (531) and the upper belt pulley hole are concentric, a pin shaft is arranged in the upper belt pulley hole, the belt pulley B (532) and the lower belt pulley hole are concentric, a pin shaft is also arranged in the lower belt pulley hole, the belt pulley A (531) and the belt pulley B (532) are tangent to the inner side surface of a fixing seat (51), a square through hole is formed between the fixing plate (522), a connecting block (534) is fixedly arranged on a belt (533), a secondary lifting rod (54) penetrates through the secondary lifting rod (52), an extending part is arranged on the secondary lifting rod (54) penetrating one end of the secondary lifting rod (52), and penetrates through the square through hole to be fixedly connected with the connecting block (534), the upper end of the secondary lifting rod arranged outside the primary lifting rod is provided with a top plate (56), and the size of the top plate (56) is equal to that of the channel (1111).

8. The BIM-based building construction simulation apparatus according to claim 7, wherein a push rod seat of the electric push rod (55) is fixedly connected with the disc (43), and a piston rod of the electric push rod (55) is fixedly connected with the extension plate (521).

Technical Field

The application relates to the technical field of construction simulation devices, in particular to a building construction simulation device based on BIM.

Background

The Building Information Modeling is a complete Information model, engineering Information, processes and resources of engineering projects at different stages in a full life cycle can be integrated into one model, and the Building Information Modeling is conveniently used by all engineering participants. The real information of the building is simulated through the three-dimensional digital technology, and information models which are coordinated with each other and have consistent interior are provided for engineering design and construction, so that the models achieve the integration of design and construction, and all specialties work together, thereby reducing the engineering production cost and ensuring that the engineering is finished on time according to quality.

With the continuous development of the times and the continuous progress of the BIM technology, the original building construction simulation device based on the BIM has simple structure and single function, and can not meet the normal requirements of users.

The device of original building construction simulation based on BIM not only lacks elevating system, can't carry out adjusting device's height according to actual conditions, although the device of building construction simulation that has elevating system has appeared on the market at present, for example, grant bulletin No. CN208281424U, the name is the Chinese utility model discloses a device based on BIM's building construction simulation, through pressing the spacing key of elasticity, make the spacing key of elasticity shrink to the inside of telescopic link and adjust the device's height, this open patent can realize the function of lift, but need the manual work to adjust, manual regulation work efficiency is low, waste time and energy.

The device of original building construction simulation based on BIM still lacks rotatory function, when operating personnel to local construction, often because the particularity of construction position, needs the frequent turning of staff, can cause danger slightly carelessly, has very big potential safety hazard.

Content of application

The utility model aims at providing a device of building construction simulation based on BIM has solved original device of building construction simulation based on BIM and can not go up and down and can not rotatory technical problem.

The method is realized by the following steps:

a building construction simulation device based on BIM comprises a support, wherein an opening and closing mechanism is arranged at the upper end of the support, a coarse adjustment mechanism is arranged at the bottom of the support, a rotating mechanism is arranged on the coarse adjustment mechanism, and a fine adjustment mechanism is arranged on the rotating mechanism;

the support comprises an upper layer support and a lower layer support, a platform is arranged on the upper layer support, a channel is arranged in the middle of the platform, and the opening and closing mechanism is arranged on the channel;

the opening and closing mechanism comprises a left door, a right door and a gear and rack transmission mechanism, and the gear and rack transmission mechanism controls the left door and the right door to move in opposite directions so as to open and close the channel;

a lower layer bracket of the bracket is provided with a bearing platform, the bearing platform is provided with the coarse adjustment mechanism, the coarse adjustment mechanism comprises a lower layer supporting frame, an upper layer lifting frame and a worm and gear transmission mechanism, the worm and gear transmission mechanism drives the upper layer lifting frame to move up and down along the lower layer supporting frame, the upper layer lifting frame is provided with the rotating mechanism, and the rotating mechanism drives the fine adjustment mechanism to do circumferential rotation movement;

the fine adjustment mechanism comprises a fixed seat, a first-stage lifting rod is arranged in the fixed seat, a belt transmission mechanism is arranged on the first-stage lifting rod, the belt transmission mechanism is arranged in the fixed seat, a second-stage lifting rod is arranged in the first-stage lifting rod, the second-stage lifting rod is connected with the belt transmission mechanism, perforations are formed in two sides of the fixed seat, an extension plate is arranged on the first-stage lifting rod and penetrates through the perforations, the outer side of the fixed seat is provided with an electric push rod at the bottom of the extension plate, the electric push rod drives the first-stage lifting rod to drive the belt transmission mechanism to move along the fixed seat in a vertical lifting motion mode, and then the second-stage lifting rod is driven to move along the first-stage lifting rod.

Furthermore, the bottom of the lower layer support is provided with universal wheels.

Further, the passageway is square passage, is close to passageway one side is provided with the guide rail, left side door one end is provided with connecting portion A, be provided with through-hole A on the connecting portion A, the guide rail is worn to establish in the through-hole A, right side door one side is provided with connecting portion B, be provided with through-hole B on the connecting portion B, the guide rail is worn to establish in the through-hole B.

Further, rack and pinion drive includes left side rack, right side rack and gear, the left side rack is fixed the left side door connecting portion A is last, the right side rack is fixed the right side door connecting portion B is last, the left side rack with set up between the rack of right side the gear, be provided with the shaft hole on the platform, be provided with the gear shaft in the shaft hole, the gear shaft passes the platform, one end are provided with motor A, and the other end sets up the gear, the gear with left side rack toothing, the gear with right side rack toothing.

Furthermore, a lightening hole is arranged at the center of the bearing platform, the coarse adjustment mechanism is bridged on the lightening hole, the lower layer support frame comprises two bottom plates which are symmetrically arranged in parallel, supporting rods are arranged at two ends of each bottom plate, a hollow cylindrical pipe is arranged at the center of each bottom plate, protective plates are arranged at two sides of each cylindrical pipe, a limiting plate is arranged at the upper end of each protective plate, a through hole C is formed in each limiting plate, the through hole C and the cylindrical pipe are concentrically arranged, the limiting plate is arranged at the upper end of the cylindrical pipe, an extending part is arranged at one side of each protective plate, each extending part is provided with a fixing hole, the upper layer lifting frame comprises a flat plate which is square, sleeves are arranged at four corners of the bottom of each flat plate, the supporting rods are sleeved in the sleeves, a cross arm is arranged between each two groups of, the lead screw to the bottom plate direction extends, the lead screw passes through-hole C sets up on the cylinder pipe, worm gear and worm drive mechanism includes worm wheel, worm and motor B, the worm wheel cup joints on the lead screw, be provided with in the worm wheel hole of worm wheel with the internal thread that the lead screw external screw thread corresponds, the worm wheel sets up cylinder pipe upper end, and set up the limiting plate lower extreme, worm wheel one side sets up the worm, the worm sets up in the fixed orifices, the worm with the worm wheel meshing, wherein one side be provided with motor B on the worm, be provided with the transmission axle between two worms that the symmetry set up, transmission axle both ends with the worm passes through the coupling joint.

Further, rotary mechanism includes bull's eye, rotation axis, disc and motor C, dull and stereotyped top is provided with circular counter bore, be provided with the rotation axis through-hole in the circular counter bore, the rotation axis passes the rotation axis through-hole, one end setting motor C, motor C sets up on the stores pylon, the stores pylon sets up dull and stereotyped bottom, the other end of rotation axis sets up the disc, the disc with rotation axis fixed connection, set up in the circular counter bore the bull's eye, the bull's eye is followed the axis of rotation axis evenly sets up.

Further, the disc is provided with the fixing seat which is a hollow cylinder, the upper end of the fixing seat is open, the fixing seat is internally provided with the first-stage lifting rod, the first-stage lifting rod is a hollow cylinder with two open ends, one end of the first-stage lifting rod is arranged in the fixing seat in a penetrating manner, the tail end of the first-stage lifting rod arranged in the fixing seat in a penetrating manner is fixedly connected with the belt transmission mechanism, the belt transmission mechanism comprises a belt wound on the belt wheel A and the belt wheel B between the belt wheel A and the belt wheel B, fixing plates are symmetrically arranged on two sides of the tail end of the first-stage lifting rod, an upper belt wheel hole and a lower belt wheel hole are arranged on the fixing plates, the belt wheel A and the belt wheel B are arranged between the fixing plates, the belt wheel A and the upper belt wheel hole are concentric, a pin shaft is arranged in the, just also be provided with the round pin axle down in the band pulley hole, band pulley A all is tangent with the fixing base medial surface with band pulley B, be provided with square through hole between the fixed plate, the fixed connecting block that sets up on the belt, the second grade lifter wears to establish in the second grade lifter, wear to establish second grade lifter one end be provided with the extension portion on the second grade lifter, the extension portion passes square through hole with connecting block fixed connection sets up the one-level lifter outside the upper end of second grade lifter is provided with the roof, the roof size equals the size of passageway.

Furthermore, a push rod seat of the electric push rod is fixedly connected with the disc, and a piston rod of the electric push rod is fixedly connected with the extension plate.

The beneficial effect of this application does:

1. the support has the effect of bearing, and the effect of upper strata support is in order to set up the mechanism that opens and shuts, and the effect of lower floor's support is in order to set up coarse adjustment mechanism, and left side door and right side door among the mechanism that opens and shuts are reverse motion under the effect of rack and pinion drive mechanism, realize closing or opening of passageway, and the rack and pinion bearing capacity is big, and transmission precision is higher, can reach 0.1mm, but unlimited length butt joint continuation, and transmission speed can be very high. When the height that needs to be under construction is unanimous with the height of platform, left side door and right side door are closed, the operation workman stands just can be under construction on the platform, when the height that needs to be under construction is greater than the height of platform, left side door and right side door are opened, roughly adjust the height of the device through coarse adjustment mechanism, then the accurate height of the exquisite regulation device of rethread fine adjustment mechanism, finally make the roof rise to suitable height, when needing to be under construction to the position that has the particularity, can start rotary mechanism, make the operation workman face construction department, the operation workman need not frequent turn round, operating personnel's personal safety has been guaranteed.

2. The function of the universal wheels is to move the device to a suitable construction location.

3. The square channel is similar to the structure of a door frame, accords with human inertia thinking, the guide rail has the functions of guiding and limiting, the connecting part A and the connecting part B have two functions, one is connected with the guide rail, and the other is used for installing a rack.

4. The left side rack, the right side rack and the gear are matched, the motor A provides a constant power source, and the gear rotates to drive the left side rack and the right side rack to move linearly in a reverse direction, so that the left side door and the right side door are pushed to move in a reverse direction.

5. The effect of lightening hole is in order to alleviate the weight of whole device, the removal of the whole device of being convenient for, lower floor's support frame has the effect of bearing and support, the bottom plate is used for erection bracing pole, hollow cylinder pipe is convenient for install the lead screw, the effect of limiting plate is in order to prevent that the worm wheel from taking place the drunkenness in vertical direction, the effect of extension is used for installing the worm, the worm and gear has great drive ratio, very compact structure, the transmission that can be steady, the noise is also very little, its self can use the performance of auto-lock, bracing piece and sleeve pipe cooperation, the bracing piece has the effect of direction, guarantee that whole upper crane is vertical direction's elevating movement, motor B provides invariable power source.

6. The effect of bull's eye is the hard friction of disc and flat board of preventing, and the effect of circular counter bore is for installing the bull's eye, and motor C provides invariable power source for the rotation, and the stores pylon can prevent that the motor from dropping, and the disc has the effect of bearing and rotation.

7. The effect of fixing base is in order to install one-level lifter and second grade lifter, and belt drive mechanism can be used to the great transmission of diaxon center distance, and the area has elasticity, can alleviate impact and vibration load, and the smooth operation, noiselessness when transshipping, the area skids on the wheel promptly, can prevent that other parts from damaging. The function of fixed plate is in order to fix belt drive mechanism, and the function of belt is used for fixing secondary drive pole. The top plate is sized to facilitate passage through the passageway.

8. The effect of electric putter promotes the motion of one-level lifter, and then drives belt drive mechanism and remove in the fixing base, because band pulley A and band pulley B are connected with the fixed plate, consequently band pulley A is rotatory with band pulley B, and consequently the belt is rotatory, and consequently when the belt is rotatory, the straight line concertina movement is done to the second grade lifter in one-level lifter.

9. This application can be under construction to the construction position on the platform, and when the construction position was higher, the lift of whole device was realized with the cooperation of fine tuning to coarse tuning to when being under construction to special position, do not need frequent turning of operation workman, improved the security of construction.

Drawings

Fig. 1 is a schematic structural diagram of the present application.

Fig. 2 is a schematic structural view of the bracket and the opening and closing mechanism.

Fig. 3 is a partially enlarged view of a portion a of fig. 2.

Fig. 4 is a schematic structural diagram of the coarse adjustment mechanism.

Fig. 5 is a schematic structural view of the lower support frame.

Fig. 6 is a schematic structural diagram of the upper layer lifting frame.

Fig. 7 is a schematic structural view of the coarse adjustment mechanism and the rotation mechanism.

Fig. 8 is a schematic structural view of the fine adjustment mechanism.

Fig. 9 is a schematic diagram of a mechanism for matching the primary lifting rod with the secondary lifting rod.

Fig. 10 is a partial enlarged view of fig. 9 at B.

Wherein the reference numerals are: 1. a support; 11. an upper layer bracket; 111. a platform; 1111. a channel; 1112. a guide rail; 12. a lower layer bracket; 121. a bearing table; 13. a universal wheel; 2. an opening and closing mechanism; 21. a left side door; 211. a connecting part A; 22. a right side door; 221. a connecting part B; 23. a rack and pinion transmission mechanism; 231. a left side gear; 232. a right rack; 233. a gear; 234. a motor A; 3. a coarse adjustment mechanism; 31. a lower layer support frame; 311. a base plate; 3111. a cylindrical tube; 312. a support bar; 313. a limiting plate; 32. an upper layer lifting frame; 321. a flat plate; 3211. a circular counter bore; 322. a sleeve; 323. a cross arm; 324. a screw rod; 33. a turbine worm drive; 331. a worm gear; 332. a worm; 333. a motor B; 334. a transmission shaft; 4. a rotation mechanism; 41. bulls eye; 42. a rotating shaft; 43. a disc; 44. a motor C; 45. a hanger; 5. a fine adjustment mechanism; 51. a fixed seat; 52. a primary lifter; 521. an extension plate; 522. a fixing plate; 53. a belt drive mechanism; 531. a pulley A; 532. a belt pulley B; 533. a belt; 534. connecting blocks; 54. a secondary lifting rod; 55. an electric push rod; 56. a top plate.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Referring to fig. 1 to 3, the present application is a building construction simulation apparatus based on BIM, including a support 1, the support 1 includes an upper support 11 and a lower support 12, a platform 111 is disposed on the upper support 11, a channel 1111 is disposed in the middle of the platform 111, and an opening and closing mechanism 2 is disposed on the channel 1111; the lower layer support 12 of the support 1 is provided with a bearing table 121, the bearing table 121 is provided with a coarse adjustment mechanism 3, and the bottom of the lower layer support 12 is provided with a universal wheel 13. Passageway 1111 is square passageway, is close to passageway 1111 one side and is provided with guide rail 1112, and left side door 21 one end is provided with connecting portion A211, is provided with through-hole A on the connecting portion A211, and guide rail 1112 wears to establish in through-hole A, and right side door 22 one side is provided with connecting portion B221, is provided with through-hole B on the connecting portion B221, and guide rail 1112 wears to establish in through-hole B.

The upper end of the bracket 1 is provided with an opening and closing mechanism 2, the opening and closing mechanism 2 comprises a left door 21, a right door 22 and a gear and rack transmission mechanism 23, and the gear and rack transmission mechanism 23 controls the left door 21 and the right door 22 to move in opposite directions so as to realize the opening and closing of the channel 1111; the rack and pinion transmission mechanism 23 includes a left rack 231, a right rack 232 and a gear 233, the left rack 231 is fixed on a connecting portion a211 of the left door 21, the right rack 232 is fixed on a connecting portion B221 of the right door 22, a gear 233 is arranged between the left rack 231 and the right rack 232, a shaft hole is arranged on the platform 111, a gear shaft is arranged in the shaft hole, the gear shaft penetrates through the platform 111, one end of the gear shaft is provided with a motor a234, the other end of the gear shaft is provided with a gear 233, the gear 233 is meshed with the left rack 231, and the gear 233 is meshed with.

Support 1 in this application has the effect of bearing, support 1 includes upper support 11 and lower floor's support 12, set up upper support 11 and lower floor's support 12 layering, be provided with platform 111 on upper support 11, set up passageway 1111 on the platform, passageway 1111 is used for fine tuning 5 to go up and down to platform 111 top from the passageway 1111 internal, the effect of passageway 1111 is convenient for fine tuning 5 to go up and down, it has direction and spacing effect to install guide rail 1112 on platform 111, install left side door 21 and right side door 22 on guide rail 1112, guarantee left side door 21 and right side door 22 antiport, the effect of connecting portion A211 and connecting portion B221 is convenient for install left side rack 231 and right side rack 232. The lower layer support 12 is provided with a bearing table 121, the bearing table 121 has a bearing function and also provides a mounting position for the coarse adjustment mechanism 3, and the universal wheels 13 are mounted on the lower layer support 12 to facilitate moving the whole device.

The operating principle of the opening and closing mechanism is as follows: when the motor a234 is started, the output shaft of the motor a234 rotates to drive the gear shaft to rotate, and the gear shaft rotates to drive the gear 233 to rotate, because the gear 233 is arranged between the left rack 231 and the right rack 232, and the gear 233 is meshed with the left rack 231 and the right rack 232, the gear 233 rotationally drives the left rack 231 to move away from or close to the right rack 232, so that two actions of opening or closing the door are realized.

When the construction height is within the range of the height of the platform plus the height of an operator, closing the channel, and standing the operator on the platform for construction;

when the height of construction is greater than the height of the platform and the height of an operator, the channel is opened, the coarse adjustment mechanism is started, the fine adjustment mechanism is started again, the top plate of the fine adjustment mechanism rises to a proper height, and the operator stands on the top plate for construction.

When the height of construction is less than the height of platform, need not open the passageway, the operation workman stands on the roof of fine adjustment mechanism, also stands between upper support and lower floor's support promptly, carries out the construction to the position that needs the construction.

See fig. 4-6: the bottom of the support 1 is provided with a coarse adjustment mechanism 3, the coarse adjustment mechanism 3 comprises a lower layer support frame 31, an upper layer lifting frame 32 and a worm and gear transmission mechanism 33, the worm and gear transmission mechanism 33 drives the upper layer lifting frame 32 to move up and down along the lower layer support frame 31, the upper layer lifting frame 32 is provided with a rotating mechanism 4, and the rotating mechanism 4 drives the fine adjustment mechanism 5 to do circumferential rotation movement;

specifically, a lightening hole is arranged at the center of the bearing table 121, the coarse adjustment mechanism 3 is bridged over the lightening hole, the lower layer support frame 31 comprises two bottom plates 311 which are symmetrically arranged in parallel, support rods 312 are arranged at two ends of the bottom plates 311, a hollow cylindrical tube 3111 is arranged at the center of the bottom plates 311, guard plates are arranged at two sides of the cylindrical tube 3111, a limit plate 313 is arranged at the upper end of the guard plate, a through hole C is arranged on the limit plate 313, the through hole C and the cylindrical tube 3111 are concentrically arranged, the limit plate 313 is arranged at the upper end of the cylindrical tube 3111, an extension part is arranged at one side of the guard plate, a fixing hole is arranged at the extension part, the upper layer lifting frame 32 comprises a flat plate 321, the flat plate 321 is square, sleeves 322 are arranged at four corners of the bottom of the flat plate 321, the support rods 312 are sleeved in the sleeves 322, a cross arm 323 is arranged between two groups of sleeves, the worm and gear transmission mechanism 33 comprises a worm wheel 331, a worm 332 and a motor B333, the worm wheel 331 is sleeved on the screw rod 324, an internal thread corresponding to the external thread of the screw rod 324 is arranged in a worm hole of the worm wheel 331, the worm wheel 331 is arranged at the upper end of the cylindrical tube 3111 and at the lower end of the limiting plate 313, the worm 332 is arranged on one side of the worm wheel 331, the worm 331 is arranged in the fixing hole, the worm 332 is meshed with the worm wheel 331, the motor B333 is arranged on the worm 332 on one side, a transmission shaft 334 is arranged between the two symmetrically arranged worms 331, and two ends of the transmission shaft 334 are connected with the worm 332.

The operating principle of the fine adjustment mechanism in the application is as follows: starter motor B, it is rotatory that motor B output shaft is rotatory to drive the worm, because worm and worm wheel meshing, consequently, it is rotatory to drive the worm wheel, again because the worm wheel is restricted at the limiting plate lower extreme, can prevent the worm wheel drunkenness about rotatory in-process, again because the downthehole internal thread that sets up with lead screw thread fit of worm wheel, therefore the worm wheel is rotatory, the drive worm rises or descends, again because the bracing piece sets up in the sleeve pipe, consequently bracing piece and sleeve pipe cooperation have spacing effect, prevent that whole platform from taking place axial rotation, only the restriction platform carries out elevating movement, because the worm rises or descends, consequently the sleeve pipe rises or descends along the direction of bracing piece, realize the regulation of whole coarse adjustment mechanism height.

Referring to fig. 7: the coarse adjustment mechanism 3 is provided with a rotating mechanism 4, the rotating mechanism 4 comprises a bull eye 41, a rotating shaft 42, a disc 43 and a motor C44, the top of the flat plate 321 is provided with a circular counter bore 3211, a rotating shaft through hole is arranged in the circular counter bore 3211, the rotating shaft 42 penetrates through the rotating shaft through hole, one end of the rotating shaft is provided with a motor C44, the motor C44 is arranged on a hanging rack 45, the hanging rack 45 is arranged at the bottom of the flat plate 321, the disc 43 is arranged at the other end of the rotating shaft 42, the disc 43 is fixedly connected with the rotating shaft 42, the bull eye 41 is arranged in the circular counter.

The operating principle of the rotating mechanism in the application is as follows: starting motor C, motor C's output shaft rotation drives the rotation axis rotation, and then drives the disc rotation, and wherein the effect of bull's eye is to prevent disc and dull and stereotyped hard friction, also for reducing frictional force. The circular counter bore is provided for the purpose of making the ball in the bull's eye tangent to the disk.

See fig. 8-10: the rotating mechanism 4 is provided with a fine adjustment mechanism 5; fine adjustment mechanism 5 includes fixing base 51, be provided with one-level lifter 52 in the fixing base 51, be provided with belt drive 53 on the one-level lifter 52, belt drive 53 sets up in fixing base 51, be provided with second grade lifter 54 in the one-level lifter 52, second grade lifter 54 is connected with belt drive 53, the fixing base 51 both sides are provided with the perforation, be provided with extension board 521 on the one-level lifter 52, extension board 521 passes the perforation setting in the fixing base 51 outside, extension board 521 bottom is provided with electric putter 55, electric putter 55 drives one-level lifter 52 and drives belt drive 53 and be vertical elevating movement along fixing base 51, and then drive second grade lifter 54 and be vertical elevating movement along one-level lifter 52.

Specifically, a fixing seat 51 is arranged on the disc 43, the fixing seat 51 is a hollow cylinder, the upper end of the fixing seat 51 is open, a first-stage lifting rod 52 is arranged in the fixing seat 51, the first-stage lifting rod 52 is a hollow cylinder with two open ends, one end of the first-stage lifting rod 52 is arranged in the fixing seat 51 in a penetrating manner, the tail end of the first-stage lifting rod 52 arranged in the fixing seat 51 in a penetrating manner is fixedly connected with a belt transmission mechanism 53, the belt transmission mechanism 53 comprises a belt wheel A531, a belt 533 arranged between the belt wheels B532 and wound on the belt wheel A531, the belt B532, fixing plates 522 are symmetrically arranged on two sides of the tail end of the first-stage lifting rod 52, an upper belt wheel hole and a lower belt wheel hole are arranged on the fixing plates 522, the belt wheel A531 and the belt wheel B532 are arranged between the fixing plates 522, the belt wheel A531 and the upper belt wheel hole are concentric, a pin shaft,

be provided with square through hole between the fixed plate 522, the fixed connecting block 534 that sets up on the belt 533, second grade lifter 54 wears to establish in second grade lifter 52, wears to establish and is provided with the extension portion on the second grade lifter 54 of second grade lifter 52 one end, and the extension portion passes square through hole and connecting block 534 fixed connection, and the upper end of setting at the second grade lifter in the one-level lifter outside is provided with roof 56, and the size of roof 56 equals the size of passageway 1111. The push rod seat of the electric push rod 55 is fixedly connected with the disc 43, and the piston rod of the electric push rod 55 is fixedly connected with the extension plate 521.

The operating principle of the fine adjustment mechanism in the application is as follows: the fixing seat is a hollow cylinder, the upper end of the fixing seat is open, and the aim is to install the primary lifting rod, a belt transmission mechanism is arranged on the inner side of the fixing seat, holes are formed in two sides of the fixing seat, specifically, fixing plates are symmetrically arranged on two sides of the tail end of the primary lifting rod, an extension plate is vertically arranged on the fixing plates, the extension plates are arranged on two sides of the fixing seat after penetrating through the holes of the fixing seat, an electric push rod is arranged at the bottom of two sides of the fixing seat, a piston rod of the electric push rod stretches and retracts to drive the primary lifting rod to stretch, and the belt transmission mechanism is arranged at the tail end of the primary lifting rod, so that the belt transmission mechanism moves in the fixing seat along with the stretching of the primary lifting rod, and a belt wheel A and a belt wheel B are tangent to the inner side surface of the fixing seat, the connecting block is arranged on the belt, so that the belt moves to drive the secondary lifting rod to move in a telescopic way. The second grade lifter in the fine tuning in this application is flexible along with the flexible of one-level lifter.

The technical features that are not described in the present application can be implemented by or using the prior art, and are not described herein again, of course, the above description is not limited to the present application, and the present application is not limited to the above examples, and variations, modifications, additions or substitutions that are made by a person of ordinary skill in the art within the spirit and scope of the present application should also belong to the protection scope of the present application.