Observation platform

Abstract

The utility model belongs to the technical field of urban rail transit, and particularly relates to an observation platform which comprises a pre-buried frame and a supporting assembly, the supporting assembly comprises a main supporting column and a lifting supporting column, the main supporting column is installed at the top end of the pre-buried frame, and two regulation and control assemblies are arranged on the side wall of the lifting supporting column. The regulation and control assembly comprises lifting rings and rotating rings, annular grooves are formed in the side walls of the lifting rings, the rotating rings are rotationally connected to the inner walls of the corresponding annular grooves, and a bearing frame is arranged between the two lifting rings; the height and the angle of the bearing frame can be adjusted in time according to the condition of a construction site by controlling the rotating ring to slide up and down and rotate and adjust along with the lifting ring, the flexibility is improved, the size of the observation platform is reduced by using the main supporting column and the lifting supporting column, and the operation space occupied by the observation platform is reduced. And the influence on normal operation of other construction activities is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the urban rail transit technical field, concretely relates to an observation platform. BACKGROUND

[0002] With the development of society, traffic is increasingly developed, and the subway can effectively divert the pressure of ground traffic and reduce the number of vehicles on the road. The construction of the subway cannot be separated from the observation platform, which provides a stable, specific height and angle observation position, so that the measuring instrument can accurately obtain the relevant data of the construction area. However, the current observation platform has a large volume, which occupies more valuable operation space in the construction site, which may affect the normal operation of other construction activities, such as limiting the material stacking area or the passing route of the construction vehicle, and is relatively fixed, which is not convenient to adjust the height and angle, so that the observation flexibility is not high. UTILITY MODEL CONTENT

[0003] The utility model provides an observation platform, which has the characteristics of reducing the space occupation of the observation platform and improving the use flexibility.

[0004] The utility model provides the following technical scheme: including pre -buried frame and support component, support component includes main support column and lifting support column, main support column is installed in pre -buried frame top, lifting support column lateral wall is provided with two control components, control component includes lifting ring and rotary ring, two lifting ring all are connected in sliding in control component lateral wall, the lateral wall of lifting ring is opened with annular groove, rotary ring is connected in rotation in corresponding annular groove inner wall, the bearing frame is set up between two lifting ring, bearing frame is installed in one side of two rotary rings, lifting support column lateral wall is opened with four sliding slots, wherein two sliding slot inner walls all are connected with lead screw in rotation, another two sliding slot inner walls are fixedly connected with limiting rod, the inner side of lifting ring is fixedly connected with four sliding blocks, the lead screw is connected with corresponding sliding block inner wall in screw, the limiting rod is connected with corresponding sliding block inner wall in sliding.

[0005] Wherein, two lead screws all penetrate lifting support column top, two lead screw top all are fixedly connected with pulley, and synchronous rotation transmission belt is arranged between two pulleys.

[0006] Wherein, the inner wall of rotary ring is rotatably connected with a gear, the gear is meshingly connected with the inner wall of the annular groove, and a plurality of spherical rolling bodies are arranged between the rotary ring and the annular groove.

[0007] Wherein, the main support column and the lifting support column are both provided with a hollow groove, and a hydraulic telescopic machine is installed in the lower hollow groove.

[0008] The main support column top end is fixedly connected with a plurality of connecting rods, and the plurality of connecting rods are inserted into the inner wall of the lifting support column.

[0009] The utility model discloses the beneficial effect is: through the control rotation ring follows the up and down sliding of lifting ring and rotation adjustment, makes the height and angle of bearing frame can according to the construction site condition in time adjustment, and the flexibility improves, and, through the use of main support column and lifting support column, makes the observation platform volume reduces, reduces the occupation of observation platform to operation space, reduces the influence to other construction activities normal.

[0010] The part not involved in the device is same as the prior art or can be realized by using the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0012] Figure 2 It is Figure 1 It is the enlarged schematic diagram of A part in the middle;

[0013] Figure 3 It is the overhead section enlarged structure schematic diagram of the utility model;

[0014] Figure 4 It is Figure 3 It is the enlarged schematic diagram of B part in the middle;

[0015] Figure 5 It is the overhead structure schematic diagram of pre-buried frame and main support column in the utility model.

[0016] In the drawing: 1, pre-buried frame; 2, support assembly; 21, main support column; 22, lifting support column; 23, sliding slot; 231, screw rod; 232, limiting rod; 233, belt pulley; 234, synchronous rotation transmission belt; 24, hollow groove; 25, hydraulic telescopic machine; 26, connecting rod; 3, regulation and control assembly; 31, lifting ring; 311, annular groove; 32, rotation ring; 321, spherical rolling body; 33, sliding block; 34, gear; 4, bearing frame. DETAILED DESCRIPTION

[0017] Please refer to Figures 1-5The utility model provides following technical scheme: including pre -buried frame 1 and support component 2, support component 2 includes main support column 21 and lifting support column 22, main support column 21 is installed at pre -buried frame 1 top, and the lateral wall of lifting support column 22 is provided with two control components 3, and control component 3 includes lifting ring 31 and rotary ring 32, two lifting rings 31 are all slidingly connected in control component 3 lateral wall, and the lateral wall of lifting ring 31 is provided with annular groove 311, and rotary ring 32 is rotatably connected in the inner wall of corresponding annular groove 311, and the lateral wall of lifting support column 22 is provided with four sliding slots 23, and the inner wall of two sliding slots 23 is rotatably connected with screw rod 231, and the inner wall of other two sliding slots 23 is fixedly connected with limiting rod 232, and the inner side of lifting ring 31 is fixedly connected with four sliding blocks 33, and screw rod 231 is threadedly connected with the inner wall of corresponding sliding block 33, and limiting rod 232 is slidingly connected with the inner wall of corresponding sliding block 33.

[0018] In the embodiment: pre -buried frame 1 supports each component of device, and pre -buried frame 1 is pre -buried in the construction site of ditt, and main support column 21 supports lifting support column 22, and lifting ring 31 supports rotary ring 32, and lifting support column 22 provides sliding guide and limit for two lifting rings 31, so that two lifting rings 31 and two rotary rings 32 can keep stable route and slide up and down, and lifting support column 22 limits and slidingly guides sliding block 33 through sliding slot 23, and when the rotation of screw rod 231 in two sliding slots 23 can drive corresponding two sliding blocks 33 to slide in the up and down direction, and sliding block 33 drives lifting ring 31 to slide up and down, and lifting ring 31 drives rotary ring 32 to slide up and down, and limiting rod 232 limits corresponding sliding block 33, so that sliding block 33 and lifting ring 31 can keep more stable state when sliding in the up and down direction, prevent lifting ring 31 from tilting, and lifting ring 31 limits rotary ring 32 through annular groove 311, so that rotary ring 32 can be stably connected with lifting ring 31, prevent rotary ring 32 from separating from lifting ring 31, and two rotary rings 32 support bearing frame 4, so that bearing frame 4 can be adjusted in the up and down direction along two rotary rings 32, thereby enabling the device to observe at different heights, by controlling the rotation of rotary ring 32 on lifting ring 31, so that bearing frame 4 can change angle, thereby enabling the height and angle of bearing frame 4 to be adjusted in time according to the construction site, improve flexibility, and, by using main support column 21 and lifting support column 22, the volume of observation platform is reduced, the occupation of observation platform to working space is reduced, and the influence on other construction activities is reduced.

[0019] Both of the two lead screws 231 pass through the top end of the lifting support column 22, the top end of both of the two lead screws 231 is fixedly connected with a belt pulley 233, a synchronous rotation transmission belt 234 is arranged between the two belt pulleys 233; the two lead screws 231 are symmetrically distributed, the two limiting rods 232 are also symmetrically distributed, the lead screw 231 supports the belt pulley 233, the sliding groove 23 is driven to rotate by the motor in the lifting support column 22, the sliding groove 23 drives the lead screw 231 to rotate, the lead screw 231 drives the corresponding belt pulley 233 to rotate, the belt pulley 233 drives the other belt pulley 233 to rotate through the synchronous rotation transmission belt 234, so that the two lead screws 231 can rotate synchronously, and the lifting control of the two lead screws 231 on the sliding block 33 is more stable.

[0020] The inner wall of the rotating ring 32 is rotationally connected with a gear 34, the gear 34 is meshingly connected to the inner wall of the corresponding annular groove 311, and a plurality of spherical rolling bodies 321 are arranged between the rotating ring 32 and the annular groove 311; the gear 34 is driven to rotate by the motor in the rotating ring 32, the annular groove 311 has a meshing tooth groove corresponding to the gear 34, and when the gear 34 rotates, the rotating ring 32 can be driven to rotate around the lifting ring 31 through the meshing tooth groove in the annular groove 311, so that the rotating ring 32 can drive the bearing frame 4 to rotate.

[0021] The hollow grooves 24 are arranged in the main support column 21 and the lifting support column 22, the hydraulic telescopic machine 25 is mounted in the lower hollow groove 24, and the output end of the hydraulic telescopic machine 25 is detachably connected to the bottom end of the lifting support column 22; the hollow grooves 24 realize the internal cavities of the main support column 21 and the lifting support column 22, reduce the self-weight of the device, the hollow groove 24 on the main support column 21 accommodates the hydraulic telescopic machine 25, the output end of the hydraulic telescopic machine 25 supports the lifting support column 22, so that the lifting support column 22 can be lifted, and the adjustable range of the bearing frame 4 is expanded.

[0022] The main support column 21 is fixedly connected with a plurality of connecting rods 26, and the plurality of connecting rods 26 are inserted into the inner wall of the lifting support column 22; the main support column 21 supports the plurality of connecting rods 26, when the hydraulic telescopic machine 25 adjusts the height of the lifting support column 22, the lifting support column 22 slides relative to the plurality of connecting rods 26, the connecting rod 26 limits the lifting support column 22, and prevents the lifting support column 22 from tilting and deviating.

[0023] The utility model discloses a working principle and use flow: device uses, control motor drives the rotation of sliding slot 23, and sliding slot 23 is driven rotation through the inside motor of elevating support column 22, and sliding slot 23 drives the rotation of screw rod 231, and screw rod 231 drives the rotation of corresponding belt pulley 233, and belt pulley 233 drives another belt pulley 233 rotation through synchronous rotation transmission belt 234, to make two screw rods 231 can carry out synchronous rotation, and screw rod 231 can drive corresponding two sliding blocks 33 to slide in the up-down direction when rotating, make sliding block 33 can drive elevating ring 31, rotating ring 32 and the descent of bearing frame 4 to low -level, personnel go up and down the device, drive gear 34 rotation through control motor, and gear 34 can drive rotating ring 32 around elevating ring 31 rotation through the meshing tooth groove in annular recess 311 when rotating, and then make rotating ring 32 can drive bearing frame 4 rotation, and then make the height and angle of bearing frame 4 can be adjusted in time according to the construction site condition, and the flexibility improves, and, through the use of main support column 21 and elevating support column 22, make the volume of observation platform reduce, reduce the occupation of observation platform to the operation space, reduce the influence to other construction activities normal.

Claims

1. An observatory characterized by: Including pre-bury frame (1) and support assembly (2), the support assembly (2) includes main support column (21) and lifting support column (22), the main support column (21) is installed to the top end of the pre-bury frame (1), the lifting support column (22) side wall is provided with two control components (3), the control component (3) includes lifting ring (31) and rotating ring (32), two the lifting ring (31) is slidably connected to the side wall of the control component (3), the lifting ring (31) side wall is provided with annular groove (311), the rotating ring (32) is rotatably connected to the inner wall of the corresponding annular groove (311), two the lifting ring (31) is provided with a bearing frame (4) between, the bearing frame (4) is installed to one side of two the rotating ring (32), the lifting support column (22) side wall is provided with four slide grooves (23), wherein two the slide groove (23) inner wall is rotatably connected with screw rod (231), the other two slide grooves (23) inner wall is fixedly connected with limit rod (232), the lifting ring (31) inboard is fixedly connected with four sliding blocks (33), the screw rod (231) is screw-connected to the inner wall of the corresponding sliding block (33), the limit rod (232) is slidably connected to the inner wall of the corresponding sliding block (33).

2. An observation deck according to claim 1, wherein: Two the screw rod (231) all penetrate the top end of the lifting support column (22), and two the screw rod (231) top is fixedly connected with pulley (233), and two the pulley (233) is provided with synchronous rotation transmission belt (234) between.

3. An observation deck according to claim 1, wherein: The rotating ring (32) inner wall is rotatably connected with gear (34), the gear (34) is rotatably connected to the inner wall of the corresponding annular groove (311), and a plurality of spherical rolling bodies (321) are arranged between the rotating ring (32) and the annular groove (311).

4. An observation deck according to claim 1, wherein: The main support column (21) and the lifting support column (22) are provided with hollow grooves (24) in the lifting support column (22), wherein the lower hollow groove (24) is provided with a hydraulic telescopic machine (25), and the output end of the hydraulic telescopic machine (25) is detachably connected to the bottom end of the lifting support column (22).

5. An observation deck according to claim 1, wherein: The main support column (21) top is fixedly connected with a plurality of connecting rods (26), and a plurality of connecting rods (26) are inserted into the inner wall of the lifting support column (22).

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