CN209907216U - Multifunctional operation platform for top of high tower column - Google Patents

Abstract

The utility model discloses a multifunctional operation platform on top of a high tower column tower, which is characterized in that a wedge block and a limiting groove are clamped inside a hollow cylinder, so that the corrosion of rainwater to a spring of the wedge block is reduced, the clamping strength between the wedge block and the limiting groove is enhanced, the connection stability between adjacent protective guards is enhanced, and the safety protection of the protective guards against constructors is improved when the constructors perform tower crane operation; meanwhile, the guard rail and the main tower are detachably connected through the long-strip-shaped angle steel, so that the guard rail and the main tower are convenient to install and detach, and the operation is simple, convenient and quick.

Description

Multifunctional operation platform for top of high tower column

Technical Field

The utility model relates to a maintenance construction technical field of cable-stay bridge cable system, more specifically say, it relates to a multi-functional operation platform in high pylon top of the tower.

Background

Cable-stay bridge comprises main axle body, main tower and bridge cushion cap etc. usually, and when constructor carried out the tower crane operation at main tower top, generally can be at the top of the tower installation loop wheel machine, but the loop wheel machine volume is great, often can demolish the loop wheel machine after the construction of top of the tower is accomplished, because the volume of loop wheel machine is great, so installation and the dismantlement engineering volume at the loop wheel machine are great, so adopt the electric hoist to lift by crane the heavy object of main tower bottom more at present stage.

Because the main tower has certain height apart from ground, so constructor when carrying out the tower crane operation, often can set up the rail guard at main tower top installation, plays certain guard action to constructor, reduces the potential safety hazard. Generally, the guard rails are fixed by directly locking the screw threads through the screws, but the screws are exposed outside for a long time and are often influenced by external factors, for example, the joints between the screws and the guard rails are prone to rusting due to corrosion of rainwater, the connection strength between the adjacent guard rails is weakened through the rusted screws, the protection effect of the guard rails on constructors is weakened, the safety of the constructors in tower crane operation is reduced, and therefore space is also improved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a multi-functional operation platform in high column top of the tower has the connection stability between the reinforcing rail guard, and the reinforcing rail guard is to constructor's guard action, the advantage of the security of reinforcing constructor when carrying out the tower crane operation.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a high column top of tower multi-functional operation platform, is including installing in a plurality of demountable installation's of main tower top circumference rail guard, and is a plurality of the rail guard all is equipped with the connecting piece of being connected with main tower lateral wall, and its one is parallel to each other the rail guard both ends are equipped with hollow cylinder, and another is parallel to each other the both ends of rail guard be equipped with hollow cylinder pegs graft complex inserted bar, the inside cavity of inserted bar forms the slot, the inserted bar lateral wall seted up with the spacing groove of slot intercommunication, be equipped with in the hollow cylinder with the spacing groove joint is adjacent the fixed and locating part of rail guard locking, the slot rotates and is connected with the deblocking piece, the deblocking piece is equipped with the drive the deblocking piece makes the locating part with the driving piece that the spacing groove breaks away from, the driving piece with the junction of deblocking.

By adopting the technical scheme, the adjacent guard railings are connected through the insertion connection between the insertion rods and the hollow cylinders, the locking and fixing between the adjacent guard railings are realized through the clamping and matching between the limiting parts and the limiting grooves, and compared with the situation that the adjacent guard railings are directly locked and fixed through the screws, the limiting parts are clamped with the limiting grooves in the hollow cylinders, namely the clamping and fixing between the adjacent guard railings are realized, the situation that the screws rust due to long-term exposure outside to cause the looseness between the adjacent guard railings is reduced, and the safety factor of the guard railings is improved; through the arrangement of the elastic waterproof sealing piece, water is further reduced from entering the hollow cylinder or the slot from the connecting gap of the driving piece and the unlocking piece, so that the dry environment inside the hollow cylinder and the slot is ensured, the rusting of the limiting piece or the unlocking piece is reduced, and the connecting stability between adjacent protective guards is enhanced; meanwhile, the guard rail is arranged on the side wall of the top of the main tower, so that when a constructor performs tower crane operation on the top of the main tower, the guard rail plays a role in protecting the constructor operating on the operating platform, and a safe operating environment is provided for the constructor; the separation between the limiting piece and the limiting groove is realized through the arrangement of the locking piece, so that the protective guard is convenient to disassemble by operators, and the operation is simple, convenient and quick; meanwhile, adjacent guard rails are inserted into the hollow cylinder through the insertion rods, so that the looseness between the adjacent guard rails is reduced, the connection stability between the guard rails is enhanced, and the safety factor of the guard rails is improved; realize dismantling through the connecting piece and be connected between rail guard and the main tower, and then accomplish the back at main tower top tower crane engineering, can dismantle the rail guard, can install and carry out the tower crane operation at the top of next main tower, and then saved the material to a certain extent.

The utility model discloses further set up to: the hollow cylinder inner wall is inwards concave and is provided with a groove, the locating part comprises an elastic part and a wedge block, one end of the elastic part is connected with the groove bottom of the groove, and the other end of the elastic part is connected with the wedge block.

By adopting the technical scheme, when the inserted rod is inserted into the hollow cylinder, the inserted rod extrudes the wedge-shaped guide surface of the wedge-shaped block, the wedge-shaped block extrudes the elastic piece to move towards the bottom of the groove, when the limiting groove is aligned with the notch of the groove, the wedge-shaped block moves towards the direction far away from the bottom of the groove under the action of the elastic piece, and the wedge-shaped block is clamped with the limiting groove, so that the adjacent guard rails can be installed, and the operation is simple, convenient and quick compared with the locking and fixing of the adjacent guard rails by bolts or screws; because the wedge-shaped block and the elastic piece are arranged in the hollow cylinder, the hollow cylinder plays a certain protection role on the wedge-shaped block and the elastic piece, the corrosion of external factors such as rainwater on the wedge-shaped block and the elastic piece is reduced, and the connection stability between adjacent protective guards is enhanced.

The utility model discloses further set up to: the unlocking piece comprises a lead screw and a guide rod, wherein the lead screw is connected with the inserted bar in a rotating mode, the guide rod is fixedly connected with the inserted bar, and the lead screw is connected with a guide block which penetrates through the guide rod in a threaded mode.

By adopting the technical scheme, the guide block moves towards one end close to the wedge-shaped block along the length direction of the screw rod by rotating the screw rod, and when the guide block is abutted against the wedge-shaped guide surface of the wedge-shaped block, the wedge-shaped block extrudes the elastic piece to move towards the direction close to the bottom of the groove under the action of the guide block, so that the adjacent guard rails are disassembled, and the operation is simple, convenient and quick; meanwhile, the connection stability between the guide block and the screw rod is enhanced through the threaded connection between the guide block and the screw rod; meanwhile, the screw rod plays a role in driving the guide block, and the guide rod plays a role in limiting the guide block, so that the guide block moves along the length direction of the screw rod, and the axial rotary motion of the guide block along the screw rod is limited.

The utility model discloses further set up to: the driving piece is a driving handle, and the driving handle is fixedly connected with one end of the screw rod.

Through adopting above-mentioned technical scheme, through rotating the actuating handle, actuating handle drives the lead screw and rotates, and the guide block moves along the length direction of lead screw under lead screw pivoted effect, and when the guide block along lead screw length direction towards the direction motion that is close to the wedge, the wedge spigot of guide block extrusion wedge, wedge extrusion elastic component realize the separation between wedge and the spacing groove, realize the dismantlement between the adjacent rail guard promptly, easy operation convenient and fast.

The utility model discloses further set up to: and an inclined angle is arranged on one side of the wedge block, which is far away from the bottom of the groove, and the inclined angle is opposite to the orientation of the wedge-shaped guide surface of the wedge block.

By adopting the technical scheme, the wedge block extrudes the elastic piece to move towards the direction close to the bottom of the groove under the extrusion action of the guide block, the inserted rod has certain wall thickness, the inclined angle has certain guide action, the inserted rod is lifted upwards along the vertical direction, and the inclined angle is extruded by the limiting groove, so that the wedge block is completely separated from the limiting groove, the adjacent guard railings are disassembled, and the operation is simple, convenient and quick; the inclination angle is opposite to the orientation of the wedge-shaped guide surface, so that the wedge-shaped block can be completely separated from the limiting groove, and the adjacent guard rails can be detached.

The utility model discloses further set up to: the connecting piece comprises a long-strip-shaped angle steel, one side face of the long-strip-shaped angle steel is connected with the protective guard, and a first fastener for locking and fixing the long-strip-shaped angle steel and the side wall of the main tower is arranged on the other side face of the long-strip-shaped angle steel in a penetrating mode.

By adopting the technical scheme, the strip-shaped angle steel plays a role in connection between the protective guard and the side wall of the main tower, and the strip-shaped angle steel and the side wall of the main tower are locked and fixed through the first fastener, so that the connection stability between the protective guard and the main tower is enhanced, and the safety of construction operation of an operator on the protective guard platform is enhanced.

The utility model discloses further set up to: the connecting piece is provided with a plurality of obliquely arranged reinforcing rods along the length direction.

By adopting the technical scheme, the reinforcing rods are obliquely arranged and are equivalent to reinforcing ribs to support the protective guard, and the two ends of the reinforcing rods and the two side surfaces of the long-strip-shaped angle steel are connected to form a triangular structure.

The utility model discloses further set up to: and a plurality of connecting plates which are mutually matched in an inserted manner are arranged on one side face, which is attached to the side wall of the main tower, of the guard rail, and second fasteners for locking and fixing the guard rail and the side wall of the main tower are arranged on the connecting plates in a penetrating manner.

By adopting the technical scheme, the connecting plate is arranged and is locked and fixed with the side wall of the main tower through the second fastener, so that the contact area between the protective guard and the side wall of the main tower is increased through the connecting plate, the connection stability between the protective guard and the main tower is enhanced, and the safety of operators in the construction process on the protective guard is further enhanced; meanwhile, due to the fact that the connecting plates are mutually inserted, looseness between adjacent connecting plates is reduced, connection stability between the adjacent connecting plates is enhanced, connection stability between the adjacent protective guards is further guaranteed, and safety of constructors in the construction process on the protective guards is further guaranteed.

To sum up, the utility model discloses following beneficial effect has:

1. the adjacent guard rails are connected through the insertion connection between the insertion rods and the hollow cylinders, the adjacent anti-skid rails are locked and fixed through the clamping connection between the wedge blocks and the limiting grooves, the situation that the wedge blocks rust when meeting water is reduced due to the fact that the wedge blocks are installed inside the hollow cylinders, and the connection stability between the adjacent guard rails is further guaranteed;

2. as the constructor carries out tower crane operation on the top of the main tower, the height between the top of the tower column and the ground is larger, and the guard rail which is detachably connected is arranged on the top of the main tower, on one hand, a safe operation environment is provided for the tower crane operation of the constructor, and on the other hand, the detachable connection of the guard rail embodies the effects of recycling and material saving to a certain extent;

3. the installation between the adjacent guard rails is realized through the clamping connection between the wedge-shaped block and the limiting groove, the driving handle is rotated to drive the screw rod to rotate, the wedge-shaped guide surface of the wedge-shaped block is extruded by the guide block along the length direction of the screw rod, the separation between the wedge-shaped block and the limiting groove is realized, namely the disassembly between the adjacent guard rails is realized, and the operation is simple, convenient and rapid;

4. because the elastic sealing element is arranged at the joint of the driving element and the unlocking element, water flows into the hollow cylinder or the slot from the joint gap of the driving element and the unlocking element, so that rustiness of the wedge-shaped block, the spring or the wire guide rod is reduced, the service life of the protective guard is prolonged, and the connection stability between adjacent protective guards is enhanced.

Drawings

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

fig. 2 is a schematic structural view of a guard rail;

FIG. 3 is a schematic structural diagram of a card slot;

FIG. 4 is a schematic view of a reinforcement bar;

fig. 5 is a schematic view of the internal structure of the hollow cylinder and the plunger.

Reference numerals: 1. protecting the fence; 11. a steel plate; 12. a guard rail; 13. a clamping block; 14. a card slot; 2. a connecting member; 21. a connecting plate; 22. a first fastener; 23. a second fastener; 24. a reinforcing bar; 31. a hollow cylinder; 32. inserting a rod; 33. a slot; 34. a groove; 35. a limiting groove; 4. a limiting member; 41. an elastic member; 42. a wedge block; 43. an inclination angle; 5. unlocking the lock; 51. a screw rod; 52. a guide bar; 53. a guide block; 6. a drive member; 7. an elastomeric water-tight seal.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A multifunctional operating platform for the top of a high tower column comprises four detachably mounted guard rails 1 which are mounted on the periphery of the top of a main tower, wherein the radial section of the top of the main tower is square; the installation is fixed with five electric hoists that are used for lifting by crane the heavy object on the platform of main tower top, the electric hoist passes through support frame and top of the tower bottom surface fixed connection, rail guard 1 is equipped with 1 fixed locating part 4 of locking adjacent rail guard, rail guard 1 still is equipped with the deblocking spare 5 with 1 unblock of adjacent rail guard, rail guard 1 is equipped with the driving piece 6 that drives deblocking spare 5 motion and realize 1 unblock of adjacent rail guard, the junction of driving piece 6 and deblocking spare 5 is equipped with elasticity waterproof sealing member 7 (not marked in the figure).

The four electric hoists are positioned in the middle of the four edges of the top of the main tower and used for hoisting a heavy object at the bottom of the main tower, the center of the top of the main tower is provided with a through hole, and the rest electric hoist is arranged in the through hole in a penetrating manner and used for hoisting the heavy object in the main tower.

As shown in fig. 2 to 4, each guard rail 1 includes a steel plate 11 having a rectangular structural shape, and a bar of the guard rail 1 is fixed to one side of the steel plate 11 in a vertical direction along a length direction thereof.

Two ends of two steel plates 11 which are arranged in parallel are provided with clamping blocks 13 which are outwards protruded along the length direction, and two ends of one side surface of the other two steel plates 11 which are arranged in parallel are inwards recessed and provided with clamping grooves 14 which are matched with the clamping blocks 13 in an inserting mode.

One side of the steel plate 11 close to the ground is provided with a connecting piece 2 connected with the side wall of the main tower, the connecting piece 2 is a strip-shaped angle steel, and the length of the strip-shaped angle steel along the length direction is the same as that of the steel plate 11 along the length direction.

One side surface of the long-strip-shaped angle steel penetrates through a first fastener 22 for fixedly connecting the long-strip-shaped angle steel with one side surface, close to the ground, of the steel plate 11, and the other side surface of the long-strip-shaped angle steel also penetrates through the first fastener 22 for fixedly connecting the long-strip-shaped angle steel with the side wall of the main tower.

Each long-strip-shaped angle steel is provided with a plurality of obliquely arranged reinforcing rods 24 along the length direction of the long-strip-shaped angle steel, one end of each reinforcing rod 24 is fixedly connected with one end face of the long-strip-shaped angle steel, and the other end of each reinforcing rod 24 is fixedly connected with the other end face of the long-strip-shaped angle steel.

A connecting plate 21 is fixedly welded on one side surface, attached to the side wall of the main tower, of each steel plate 11 along the length direction of the steel plate, a plurality of second fasteners 23 for locking and fixing the connecting plate 21 and the side wall of the main tower are arranged in each connecting plate 21 in a penetrating mode, the second fasteners 23 in the embodiment can be bolts, and the second fasteners 23 in other embodiments can be foundation bolts, hexagon socket head bolts and the like.

As shown in fig. 5, the rods of one guard rail 1 at the two end portions of the parallel guard rail 1 are hollow cylinders 31, the rods of the other guard rail 1 at the two end portions of the parallel guard rail 1 are insertion rods 32 inserted into the hollow cylinders 31, and the adjacent guard rails 1 are connected by the insertion rods 32 inserted into the hollow cylinders 31.

The inner wall of the hollow cylinder 31 is inwards provided with a groove 34; the inner part of the inserted link 32 is hollow to form a slot 33, and the side wall of the inserted link 32 is provided with a limit groove 35 communicated with the slot 33; when the insert rod 32 is inserted into the hollow cylinder 31, the grooves 34 correspond to the limit grooves 35 one by one and are located at the same horizontal height.

A limiting piece 4 which locks and fixes the adjacent guard rail 1 and is clamped with the limiting groove 35 is arranged in the groove 34, and the limiting piece 4 comprises a wedge-shaped block 42 and an elastic piece 41; the wedge block 42 has a wedge-shaped guide surface which is arranged facing away from the ground; the elastic member 41 is a spring, one end of the spring is fixedly connected with the wedge block 42, and the other end of the spring is fixedly connected with the bottom of the groove 34.

The end of the wedge 42 remote from the base of the groove 34 has an angle of inclination 43, the angle of inclination 43 facing away from the wedge-shaped guide surface.

An unlocking piece 5 actively connected with the inserting rod 32 is arranged in the inserting groove 33, the unlocking piece 5 comprises a screw rod 51 and a guide rod 52 which are arranged along the vertical direction, the screw rod 51 is positioned in the inserting groove 33, two ends of the screw rod 51 are rotatably connected with the inside of the inserting rod 32, the guide rod 52 is also positioned in the inserting groove 33, and two ends of the guide rod 52 are fixedly connected with the inside of the inserting rod 32; the unlocking piece 5 further comprises a guide block 53 which penetrates through the guide rod 52 and is in threaded connection with the screw rod 51, the radial section of the guide block 53 is in a circular shape, and the radial section area of the guide block 53 is the same as that of the inner wall of the slot 33.

One end of the screw rod 51 penetrating through the inserted link 32 is fixed with a driving piece 6 for driving the screw rod 51 to rotate, and the driving piece 6 is a driving handle; the elastic waterproof sealing piece 7 is fixed at the joint of the driving handle and the screw rod 51, the elastic waterproof sealing piece 7 is an elastic waterproof rubber pad, the structural shape of the elastic waterproof rubber pad is 'circular', the radial cross-sectional area of the elastic waterproof rubber pad is the same as that of the hollow cylinder 31, and the elastic waterproof rubber pad is clamped and covered at the end of the hollow cylinder 31.

The concrete working principle and the beneficial effects of the embodiment are as follows:

the working principle is as follows:

the installation process comprises the following steps: firstly, the guard rails 1 are spliced, one end face of the long-strip-shaped angle steel of the bolt piece of the first fastening piece 22 is fixedly connected with the steel plate 11, then the adjacent guard rails 1 are mutually spliced with the clamping grooves 14 through the clamping blocks 13, the inserted rod 32 is inserted into the hollow cylinder 31, the wedge-shaped guide surface of the wedge-shaped block 42 is stressed to extrude the spring to enable the wedge-shaped block 42 to move towards the direction close to the bottom of the groove 34, when the notch of the groove 34 is aligned with the limiting groove 35, the wedge block 42 moves towards the direction close to the notch of the limiting groove 35 under the action of the elastic force of the spring, so that the wedge block 42 is clamped with the limiting groove 35, the installation between the adjacent protective railings 1 is further realized, then, the other end face of the long-strip-shaped angle steel is fixedly connected with the side wall of the main tower through a first fastener 22, a second fastener 23 is inserted into the connecting plate 21 through a bolt, and the connection between the steel plate 11 and the side wall of the main tower is strengthened.

The disassembling process comprises the following steps: constructors rotate the driving handle by means of the driving handle, the driving handle drives the screw rod 51 connected with the driving handle to rotate, the guide block 53 moves towards the direction close to the wedge-shaped block 42 along the length direction of the screw rod 51, the guide block 53 extrudes the wedge-shaped guide surface of the wedge-shaped block 42, the wedge-shaped block 42 extrudes the spring to move towards the direction close to the bottom of the groove 34, when the wedge-shaped block 42 retreats out of the limiting groove 35, constructors sequentially disassemble the bolts of the first fastening piece 22 and the bolts of the second fastening piece 23 correspondingly, and then the guard rails 1 are vertically and upwards lifted up to realize the disassembly between the adjacent guard rails 1.

Has the advantages that:

through the grafting between inserted bar 32 and the hollow cylinder 31, realize the connection between the adjacent rail guard 1 to through the joint between wedge 42 and the spacing groove 35, realize that locking between the adjacent rail guard 1 is fixed, wedge 42 installs and has reduced the rusty condition of wedge 42 meeting water in the inside of hollow cylinder 31, and then has guaranteed the connection stability between the adjacent rail guard 1.

Because constructor carries out the tower crane operation at main tower top, the high great between the tower top apart from ground, through can dismantle rail guard 1 of connection in main tower top installation, on the one hand provides safe operation environment to constructor's tower crane operation, and on the other hand rail guard 1's the connection of dismantling has embodied cyclic utilization to a certain extent, the effect of save material.

Through the arrangement of the reinforcing rods 24 which are obliquely arranged, the reinforcing rods 24 play a certain supporting role on the guard rail 1 as reinforcing ribs, and two ends of each reinforcing rod 24 are connected with two side faces of each long-strip-shaped angle steel to form a triangular structure.

Because the triangular structure has good stability, the structural strength of the long-strip-shaped angle steel is enhanced, the connection stability between the guard rail 1 and the main tower is enhanced, and the construction operation safety of operators on the guard rail 1 is ensured.

The installation between the adjacent guard rails 1 is realized through the clamping between the wedge-shaped block 42 and the limiting groove 35, and the driving handle is rotated to drive the screw rod 51 to rotate, so that the guide block 53 extrudes the wedge-shaped guide surface of the wedge-shaped block 42 along the length direction of the screw rod 51, the separation between the wedge-shaped block 42 and the limiting groove 35 is realized, namely, the disassembly between the adjacent guard rails 1 is realized, and the operation is simple, convenient and rapid.

Due to the fact that the elastic sealing piece is arranged at the connecting position of the driving piece 6 and the unlocking piece 5, water is prevented from flowing into the hollow cylinder 31 or the slot 33 from the connecting gap of the driving piece 6 and the unlocking piece 5, rusting of the wedge-shaped block 42, the spring or the wire guide rod 52 is reduced, the service life of the guard rail 1 is prolonged, and the connecting stability between the adjacent guard rails 1 is enhanced.

The wedge-shaped block 42 extrudes the elastic piece 41 to move towards the direction close to the bottom of the groove 34 under the extrusion action of the guide block 53, and the inserted rod 32 has a certain wall thickness, and the inclined angle 43 has a certain guiding action, so that the inserted rod 32 is lifted upwards along the vertical direction, the inclined angle 43 is extruded by the limiting groove 35, the wedge-shaped block 42 is completely separated from the limiting groove 35, the adjacent guard rails 1 are disassembled, and the operation is simple, convenient and quick.

Due to the fact that the inclination angle 43 is opposite to the orientation of the wedge-shaped guide surface, the wedge-shaped block 42 can be completely separated from the limiting groove 35, and the adjacent protective guard 1 can be detached.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a multi-functional operation platform in high column top of tower which characterized in that: the protective guard comprises a plurality of detachably mounted protective guards (1) which are arranged on the circumferential direction of the top of a main tower, wherein each of the plurality of protective guards (1) is provided with a connecting piece (2) connected with the side wall of the main tower, the two ends of one of the protective guards (1) which are parallel to each other are provided with hollow cylinders (31), the two ends of the other protective guard (1) which is parallel to each other are provided with insertion rods (32) which are in insertion connection with the hollow cylinders (31), the inside of each insertion rod (32) is hollow to form a slot (33), the side wall of each insertion rod (32) is provided with a limiting groove (35) which is communicated with the slot (33), a limiting piece (4) which is connected with the limiting groove (35) in a clamping manner and is adjacent to the protective guard (1) in a locking manner is arranged in each hollow cylinder (31), each slot (33) is rotatably connected with an unlocking piece (5), each unlocking piece (5) is provided with a driving, the joint of the driving piece (6) and the unlocking piece (5) is provided with an elastic waterproof sealing piece (7).

2. The high column overhead multi-functional operating platform of claim 1, wherein: the hollow cylinder (31) inner wall is inwards concave and is equipped with recess (34), locating part (4) include elastic component (41) and wedge (42), elastic component (41) one end with recess (34) tank bottom is connected, the elastic component (41) other end with wedge (42) are connected.

3. The high column overhead multi-functional operating platform of claim 2, wherein: unlocking piece (5) including with inserted bar (32) rotate lead screw (51) of being connected and with inserted bar (32) fixed connection's guide bar (52), lead screw (51) threaded connection has and wears to locate guide block (53) of guide bar (52).

4. The high column overhead multi-functional operating platform of claim 3, wherein: the driving piece (6) is a driving handle, and the driving handle is fixedly connected with one end of the screw rod (51).

5. The high column overhead multi-functional operating platform of claim 4, wherein: the side of the wedge-shaped block (42) far away from the groove bottom of the groove (34) is provided with an inclined angle (43), and the inclined angle (43) is opposite to the wedge-shaped guide surface of the wedge-shaped block (42).

6. The high column overhead multi-functional operating platform of claim 1, wherein: the connecting piece (2) comprises a long-strip-shaped angle steel, one side face of the long-strip-shaped angle steel is connected with the protective guard (1), and a first fastener (22) for locking and fixing the long-strip-shaped angle steel and the side wall of the main tower is arranged on the other side face of the long-strip-shaped angle steel in a penetrating mode.

7. The high column overhead multi-functional operating platform of claim 6, wherein: the connecting piece (2) is provided with a plurality of obliquely arranged reinforcing rods (24) along the length direction.

8. The high column overhead multi-functional operating platform of claim 1, wherein: a plurality of side faces, attached to the side walls of the main tower, of the guard rails (1) are provided with connecting plates (21) which are matched with each other in an inserted mode, and second fasteners (23) for locking and fixing the guard rails (1) and the side walls of the main tower are arranged on the connecting plates (21) in a penetrating mode.

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