Iron tower angle steel lifting sliding rail system and lifting method thereof

Abstract

The invention relates to the technical field of electric power iron tower aerial work safety protection, in particular to an iron tower angle steel lifting sliding rail system and a lifting method.The iron tower angle steel lifting sliding rail system comprises a sliding guide rail used for being fixedly installed on an iron tower angle steel main material, a movable sliding platform is installed on the sliding guide rail, and a supporting arm is installed on the sliding platform; a matched locking mechanism is arranged between the sliding platform and the sliding guide rail; a traction motor is installed at the top of the sliding guide rail and connected with the sliding platform through a traction rope. The system is helpful for solving the problems of inconvenience in lifting and low safety of overhead working of the iron tower, and provides safety guarantee in the lifting process.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power tower high-altitude operation safety protection, and particularly relates to a tower angle steel lifting slide rail system and a lifting method thereof. BACKGROUND

[0002] With the continuous expansion of the power grid scale and the rapid growth of the transmission line mileage, the erection, maintenance and repair of the power tower, as a core facility of the power grid, are increasingly frequent.

[0003] At present, in the high-altitude operation of the power tower, the vertical transportation of personnel and materials mainly relies on manual climbing, which has the problems of low operation efficiency, high labor intensity, large physical consumption of personnel, difficult material hoisting, high safety risk and lack of effective anti-falling protection system.

[0004] The existing lifting equipment has obvious deficiencies in the application on the tower angle steel: first, there is a lack of special clamps, and the installation stability is poor, which is prone to looseness in adverse weather conditions such as strong wind; second, the lifting positioning is not accurate, and reliable mechanical locking cannot be achieved at any operation height, which has the risk of slipping; third, the running stability is insufficient, and the phenomena of jamming or derailment are prone to occur, and the safety protection is insufficient, and there is a lack of effective anti-falling mechanism. These problems seriously restrict the efficiency and safety of the tower operation. SUMMARY

[0005] The purpose of the present application is to provide a tower angle steel lifting slide rail system and a lifting method thereof, which helps to solve the problems of inconvenient lifting and low safety in the high-altitude operation of the tower, and provides safety protection during lifting.

[0006] The technical solution of the present application is as follows: a tower angle steel lifting slide rail system, comprising a sliding guide rail for fixed installation on the main material of the tower angle steel, a movable sliding platform is installed on the sliding guide rail, a support arm is installed on the sliding platform, and a locking mechanism is arranged between the sliding platform and the sliding guide rail; a traction motor is installed at the top of the sliding guide rail, and the traction motor is connected with the sliding platform through a traction rope.

[0007] Further, the sliding guide rail comprises a pair of guide rails arranged in parallel with the axis of the main material of the tower angle steel, and the pair of guide rails are fixed on the main material of the tower angle steel through a connecting clamp.

[0008] Further, the connecting clamp comprises a V-shaped base and a convex clamp, the V-shaped base is fixed with the guide rail and is provided with a V-shaped groove for supporting the angle steel, the convex clamp is provided with a clamping convex part matched with the V-shaped groove and used for clamping the angle steel, the convex clamp is hinged with one end of the V-shaped base through a hinge shaft, and the convex clamp is fastened with the other end of the V-shaped base through a locking bolt.

[0009] Further, the V-shaped groove angle of the V-shaped base is 90°, and the inner side surface of the V-shaped groove is attached to the outer corner surface of the tower angle steel main material.

[0010] Further, the two sides of the sliding platform are provided with a plurality of guide skids, the guide rail is a cylindrical steel rail, the inner contour of the guide skid is a C-shaped holding structure matched with the outer surface of the cylindrical steel rail, and the guide skid is slidably clamped on the cylindrical steel rail in an embracing manner.

[0011] Further, the locking mechanism includes a plurality of fixed clamping seats arranged at intervals along the length direction of the sliding guide rail, and the sliding platform is provided with a fixed pin that can be inserted into the fixed clamping seat to achieve mechanical fixation when the sliding platform operates to a specified position.

[0012] Further, the fixed pin includes an upper fixed pin for inserting into the upper part of the sliding platform and a lower fixed pin for inserting into the lower part of the sliding platform.

[0013] Further, the support arm includes an inclined support beam connected with the sliding platform and a protective net support beam connected with the inclined support beam, the protective net support beam is connected with the sliding platform, and the protective net support beam is provided with a hanging ring for connecting a load-bearing steel wire.

[0014] Further, the lower part of the sliding platform is provided with a hinged seat, one end of the inclined support beam extends into the hinged seat and is hingedly connected through a detachable pin shaft, the other end of the inclined support beam is hingedly connected with one end of the protective net support beam, and the other end of the protective net support beam is hingedly connected with another hinged seat on the sliding platform; or one end of the inclined support beam is welded with the lower part of the sliding platform, the other end of the inclined support beam is welded with one end of the protective net support beam, and the other end of the protective net support beam is welded with the sliding platform to form a triangular structure.

[0015] A lifting method applied to a tower angle steel lifting sliding rail system, comprising the following steps: 1) Installing sliding guide rails on four tower angle steel main materials respectively, and installing traction motors on the top of the sliding guide rails; 2) Installing a sliding platform on the sliding guide rails, and installing a support arm on the sliding platform, and connecting the traction rope of the traction motor with the sliding platform; 3) Starting the traction motor to lift the sliding platform and the support arm to a specified working height through the traction rope; 4) After the traction motor stops rotating, manually inserting the upper fixed pin and the lower fixed pin into the insertion hole of the sliding platform and clamping them into the corresponding fixed clamping seat; 5) After the work is completed, pulling out the upper fixed pin and the lower fixed pin, and controlling the traction motor to reverse to make the sliding platform descend.

[0016] Compared with the prior art, the present application has the following advantages: 1. The system is convenient to install and has strong adaptability. Through the special V-shaped base and convex clamps, it can adapt to different specifications of power tower angle steel main materials. The clamp design can be quickly and firmly clamped on the tower angle steel, and can adapt to various tower types, with strong universality.

[0017] 2. In terms of lifting stability, the system uses a cylindrical guide rail combined with a C-shaped gripping guide skid to provide a larger contact area and more uniform stress distribution, making the lifting process more stable and reliable. The C-shaped gripping structure provides full coverage, effectively preventing the sliding platform from slipping during lifting, ensuring stable lifting, and cooperating with the traction motor to achieve accurate positioning at any position.

[0018] 3. The safety and reliability of the system is achieved through a double fixed pin locking mechanism. When the sliding platform operates to the specified height, the upper and lower fixed pins can be inserted into the fixed seat respectively, forming a mechanical rigid connection, ensuring the absolute stability of the aerial work platform. This mechanical locking does not rely on electricity to maintain, even if power failure or other abnormal situations occur, it can still ensure the absolute stability of the work platform.

[0019] 4. The system components are easy to disassemble and assemble, significantly reducing the occupied space in the non-working state, facilitating portability, transportation and storage.

[0020] 5. The cylindrical guide rail and C-shaped guide skid cooperation structure has good self-centering characteristics, reducing the installation precision requirement, making the installation process more simple and fast.

[0021] 6. In addition, the support arm helps to provide safety net support, enhancing the applicability of the overall structure and improving the efficiency and safety of aerial work. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic diagram of the present application; Figure 2 is a sliding platform and support arm cooperation structure schematic diagram of the present application; Figure 3 is a sliding platform structure schematic diagram of the present application; Figure 4 is a sliding platform and sliding guide cooperation structure schematic diagram of the present application; Figure 5 is a traction motor structure partial enlarged view of the present application; Figure 6 is a power tower angle steel lifting rail system and a kind of use cooperation schematic diagram of tower of the present application; In the figure: 1 - traction motor; 2 - traction rope; 3 - guide rail; 4 - fixed clamping seat; 5 - V-shaped base; 51 - V-shaped groove; 6 - convex clamp; 61 - clamping convex part; 62 - locking bolt; 7 - guide skid; 8 - lower fixed pin; 9 - sliding platform; 10 - inclined support beam; 11 - protective net support beam; 12 - hinged seat; 13 - upper fixed pin. DETAILED DESCRIPTION

[0023] In order to make the above features and advantages of the present application more apparent, the following specific examples are described in detail below, together with the accompanying drawings, as follows, but the present application is not limited thereto.

[0024] REFERENCE Figures 1 to 6 A tower angle steel lifting slide rail system, comprising a sliding guide rail for fixedly mounting on a tower angle steel main material for providing a lifting path, a movable sliding platform 9 is mounted on the sliding guide rail, a support arm for carrying workers or protective facilities is mounted on the sliding platform 9, a locking mechanism is arranged between the sliding platform 9 and the sliding guide rail to realize locking of the sliding platform 9 at a specified position; a traction motor 1 (or a winch) for providing lifting power is mounted at the top of the sliding guide rail, and a traction rope 2 driven by the traction motor 1 is mounted on the traction motor 1, the traction motor 1 is connected to the upper end of the sliding platform 9 through the end of the traction rope 2, and the traction motor 1 is operated in forward and reverse rotation, and the sliding platform 9 is lifted or lowered along the sliding guide rail by winding and unwinding the traction rope 2.

[0025] In this embodiment, the sliding guide rail comprises a pair of guide rails 3 arranged in parallel with the axis of the tower angle steel main material, and the pair of guide rails 3 are fixed to the tower angle steel main material through a plurality of connecting clamps, and the traction motor 1 is mounted at the top of the pair of guide rails 3. The guide rail 3 is made of high-strength steel to ensure sufficient rigidity and guiding accuracy.

[0026] In this embodiment, the connecting clamp comprises a V-shaped base 5 and a convex clamp 6, the V-shaped base 5 is fixedly connected with the guide rail 3 and is provided with a V-shaped groove 51 for supporting the angle steel, the convex clamp 6 is provided with a clamping convex part 61 matched with the V-shaped groove 51 and used for clamping the angle steel, the convex clamp 6 and one end of the V-shaped base 5 are hinged through a hinge shaft, and the convex clamp 6 and the other end of the V-shaped base 5 are connected and fastened through a locking bolt 62.

[0027] In this embodiment, the angle of the V-shaped groove 51 of the V-shaped base 5 is 90°, and the inner side surface of the V-shaped groove 51 is fitted with the outer corner surface of the tower angle steel main material.

[0028] In this embodiment, the two sides of the sliding platform 9 are provided with a plurality of guide skids 7, the guide rail 3 is a cylindrical steel rail, the inner contour of the guide skid 7 is a C-shaped holding structure matched with the outer surface of the cylindrical steel rail, and the guide skid 7 is slidably clamped on the cylindrical steel rail in an embracing manner, thereby forming a sliding fit to ensure smooth and smooth lifting.

[0029] In this embodiment, the locking mechanism includes a plurality of fixed clamping seats 4 arranged at intervals along the length direction of the sliding guide rail, the fixed clamping seat 4 can be a pair of hook-shaped structures with upward opening, and the fixed clamping seat 4 is fixed on the V-shaped base 5. The sliding platform 9 is provided with a pin hole and is provided with a fixed pin which can be inserted into the pin hole. The fixed pin includes an upper fixed pin 13 for inserting into the upper pin hole of the sliding platform 9 and a lower fixed pin 8 for inserting into the lower pin hole of the sliding platform 9. When the sliding platform 9 runs to the specified height position, the operator inserts the upper fixed pin 13 and the lower fixed pin 8 into the corresponding pin holes respectively, so that the upper fixed pin 13 and the lower fixed pin 8 are clamped into the fixed clamping seat 4, thereby forming a mechanical fixed connection with the sliding platform 9.

[0030] In this embodiment, the support arm includes a diagonal support beam 10 connected with the sliding platform 9 and a protective net support beam 11 connected with the diagonal support beam 10 and used for hanging the safety protective net, and the protective net support beam 11 is connected with the sliding platform 9. The protective net support beam 11 is provided with a hanging ring for connecting the load-bearing steel wire, so as to hang the protective safety net.

[0031] Specifically, the lower part of the sliding platform 9 is provided with a hinged seat, one end of the diagonal support beam 10 extends into the hinged seat 12 and is hinged with the hinged seat 12 through a detachable pin shaft, the other end of the diagonal support beam 10 is hinged with one end of the protective net support beam 11, the other end of the protective net support beam 11 is hinged with another hinged seat fixed on the sliding platform 9, and the protective net support beam 11, the diagonal support beam 10 and the sliding platform cooperate to form a triangular structure. Thus, when the support arm is not in use, the support arm can be folded by detaching the detachable pin shaft.

[0032] Alternatively, one end of the diagonal support beam 10 is welded with the lower part of the sliding platform, the other end of the diagonal support beam 10 is welded with one end of the protective net support beam 11, and the other end of the protective net support beam 11 is welded with the sliding platform 9, and the protective net support beam 11, the diagonal support beam 10 and the sliding platform cooperate to form a triangular structure.

[0033] Working principle: the traction motor 1 drives the sliding platform 9 to ascend and descend along the guide rail 3 through the traction rope 2. When the sliding platform 9 runs to the specified working height, the upper fixed pin 13 and the lower fixed pin 8 can be inserted into the upper pin hole and the lower pin hole of the sliding platform 9 respectively and clamped on the corresponding fixed clamping seat, thereby forming a mechanical rigid connection.

[0034] A lifting method for a lifting slide rail system for angle steel of iron towers includes the following steps: 1) Before carrying out tower operations, check and prepare the four sets of sliding guide rails on the ground; 2) The workers wear safety protective equipment and install the four sets of sliding guide rails at the designated heights on the four main angle steel members of the iron tower, and install the traction motor 1 on the top of the sliding guide rails; 3) Install the sliding platform 9 on the sliding guide rail, install the support arm on the sliding platform 9, and connect the traction rope 2 of the traction motor 1 to the sliding platform 9; a protective net can be installed between the protective net support beams 11 of two adjacent support arms, or materials can be hung on the support arms; 4) Start the traction motor 1 and use the traction rope 2 to lift the sliding platform 9 and the support arm to the designated working height; 5) After the traction motor 1 stops, manually insert the upper fixing pin 13 and the lower fixing pin 8 into the socket of the sliding platform 9 and lock them into the corresponding fixing bracket 4 to complete the mechanical locking; 6) After the operation is completed, pull out the upper fixing pin 13 and the lower fixing pin 8, control the traction motor 1 to reverse, and make the sliding platform 9 descend.

[0035] The above description is only a preferred embodiment of the present invention. For those skilled in the art, designing different forms of tower angle steel lifting slide rail systems based on the teachings of the present invention does not require creative labor. All equivalent changes, modifications, substitutions and variations made in accordance with the scope of the patent application of the present invention without departing from the principles and spirit of the present invention shall be covered by the present invention.

Claims

1. A lifting slide rail system for iron tower angle steel, characterized in that, It includes a sliding guide rail for fixing and installing on the main angle steel of the tower. A movable sliding platform (9) is installed on the sliding guide rail. A support arm is installed on the sliding platform (9). A locking mechanism is provided between the sliding platform (9) and the sliding guide rail. A traction motor (1) is installed on the top of the sliding guide rail. The traction motor (1) is connected to the sliding platform (9) through a traction rope (2).

2. The tower angle steel lifting slide rail system according to claim 1, characterized in that, The sliding guide rail includes a pair of guide rails (3) whose axes are parallel to the main material of the tower angle steel. The pair of guide rails (3) are fixed to the main material of the tower angle steel by a connecting clamp. The traction motor (1) is installed on the top of the pair of guide rails (3).

3. The tower angle steel lifting slide rail system according to claim 2, characterized in that, The connecting clamp includes a V-shaped base (5) and a convex clamp (6). The V-shaped base (5) is fixed to the guide rail (3) and is provided with a V-shaped groove for supporting the angle steel. The convex clamp (6) is provided with a clamping protrusion that cooperates with the V-shaped groove and is used to clamp the angle steel. One end of the convex clamp (6) is hinged to the V-shaped base (5) via a hinge shaft, and the other end of the convex clamp (6) is connected and fastened to the V-shaped base (5) via a locking bolt.

4. The tower angle steel lifting slide rail system according to claim 3, characterized in that, The V-groove angle of the V-shaped base (5) is 90°, and the inner surface of the V-groove is in contact with the outer corner of the main material of the iron tower angle steel.

5. A lifting slide rail system for iron tower angle steel according to claim 2, 3 or 4, characterized in that, Several guide skids (7) are provided on both sides of the sliding platform (9). The guide rail (3) is a cylindrical steel rail. The inner contour of the guide skid (7) is a C-shaped gripping structure that is adapted to the outer surface of the cylindrical steel rail. The guide skid (7) is slidably mounted on the cylindrical steel rail in a circumferential manner.

6. A lifting slide rail system for iron tower angle steel according to claim 1, 2, 3 or 4, characterized in that, The locking mechanism includes multiple fixed brackets (4) spaced apart along the length of the sliding guide rail. The sliding platform (9) is provided with a fixing pin that can be inserted into the fixed bracket (4) to achieve mechanical fixation when the sliding platform (9) moves to a designated position.

7. The tower angle steel lifting slide rail system according to claim 6, characterized in that, The fixing pins include an upper fixing pin (13) for inserting into the upper part of the sliding platform (9) and a lower fixing pin (8) for inserting into the lower part of the sliding platform (9).

8. A lifting slide rail system for iron tower angle steel according to claim 1, 2, 3, 4 or 7, characterized in that, The support arm includes an inclined support beam (10) connected to the sliding platform (9) and a protective net support beam (11) connected to the inclined support beam (10). The protective net support beam (11) is connected to the sliding platform (9), and a hanging ring for connecting the load-bearing steel wire is provided on the protective net support beam (11).

9. A lifting slide rail system for iron tower angle steel according to claim 8, characterized in that, The lower part of the sliding platform (9) is provided with a hinge seat. One end of the inclined support beam (10) extends into the hinge seat and is hinged to it via a detachable pin. The other end of the inclined support beam (10) is hinged to one end of the protective net support beam (11). The other end of the protective net support beam (11) is hinged to another hinge seat on the sliding platform (9). Alternatively, one end of the inclined support beam (10) is welded to the lower part of the sliding platform, and the other end of the inclined support beam (10) is welded to one end of the protective net support beam (11). The other end of the protective net support beam (11) is welded to the sliding platform (9) to form a triangular structure.

10. A lifting method applied to the lifting slide rail system for iron tower angle steel as described in claim 7, characterized in that, Includes the following steps: 1) Install sliding guide rails on the four main angle steel members of the iron tower respectively, and install traction motors on the top of the sliding guide rails (1). 2) Install the sliding platform (9) on the sliding guide rail and install the support arm on the sliding platform (9), and connect the traction rope (2) of the traction motor (1) to the sliding platform (9); 3) Start the traction motor (1) and lift the sliding platform (9) and support arm to the designated working height using the traction rope (2); 4) After the traction motor (1) stops, manually insert the upper fixing pin (13) and the lower fixing pin (8) into the socket of the sliding platform (9) and lock them into the corresponding fixing bracket (4); 5) After the operation is completed, pull out the upper fixing pin (13) and the lower fixing pin (8), control the traction motor (1) to reverse, so that the sliding platform (9) descends.

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