Pole tower auxiliary support for electric power engineering and manufacturing method of pole tower auxiliary support

Abstract

The invention relates to a pole tower auxiliary support for electric power engineering and a manufacturing method thereof.The pole tower auxiliary support comprises a support pipe and a pole tower, an elbow is fixedly connected to the top of the support pipe, a connecting block is fixedly connected to the bottom of the support pipe, a pedal support is arranged on the surface of the support pipe, a cross arm is installed on the side edge of the pole tower, and a hoop is installed on the surface of the pole tower and located below the cross arm; a groove is formed in the top of the elbow, a positioning block is fixedly connected to the bottom of the cross arm, the positioning block is connected with the groove in an inserted mode, a plurality of fixing bolts are arranged at the bottom of the elbow, penetrate through the elbow and are connected into the positioning block, and the fixing bolts are connected with the hoop and the connecting block at the same time. The two fixing bolts penetrate through the elbows to be connected into the positioning blocks respectively, the tops of the elbows are fixed, the connecting blocks are connected with the front hoop and the rear hoop, the support pipes are also fixedly installed, cross arm supports are additionally arranged on the support pipes on the side edges of the tower, maintenance and construction of lines are facilitated, manpower is saved, and safety is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power engineering, and in particular to a pole tower auxiliary support for electric power engineering and a manufacturing method thereof. Background Art

[0002] The power industry has higher and higher requirements for line maintenance, and maintenance equipment is constantly being innovated, and the switching between different equipment is becoming more and more frequent. The patent with application number: CN201320222385.7 discloses a pole tower operating bracket, including a support frame hinged to a pole fastening fixture or a tower fastening fixture at one end, and a brace bar hinged to the pole fastening fixture or the tower fastening fixture at one end, the other end of the support frame is connected to the other end of the brace bar, the support frame and the brace bar are connected in a hinged connection, the support frame is an aluminum alloy tube, the brace bar is two aluminum alloy tubes, located on both sides of the end of the support frame, the support frame and the brace bar are bolted, and the angle is 30 degrees to 60 degrees. However, this device is only suitable for temporary use during maintenance and construction, and installation and removal are troublesome and time-consuming, and long-term shelving will cause waste of resources. Summary of the invention

[0003] The present invention aims to solve the problems existing in the above-mentioned prior art and provides a pole tower auxiliary bracket for power engineering and a manufacturing method thereof, which can be fixed on the side of the pole tower for a long time to increase cross arm support, provide a foothold to facilitate line maintenance and construction, save manpower and improve safety.

[0004] The technical solution adopted by the present invention to solve its technical problems is as follows: this kind of pole tower auxiliary support for power engineering and its manufacturing method include a support tube and a pole tower, the top of the support tube is fixedly connected with an elbow, the bottom of the support tube is fixedly connected with a connecting block, a foot support is arranged on the surface of the support tube, a cross arm is installed on the side of the pole tower, a clamp is installed on the surface of the pole tower, the clamp is below the cross arm, a groove is arranged on the top of the elbow, a positioning block is fixedly connected to the bottom of the cross arm, the positioning block and the groove are plugged into each other, a fixing bolt is arranged at the bottom of the elbow, the fixing bolt passes through the elbow and is connected to the inside of the positioning block, there are multiple fixing bolts, and the fixing bolt is connected to the clamp and the connecting block at the same time, the support tube is obtained, the groove at the top of the elbow and the positioning block at the bottom of the cross arm are plugged into each other, two fixing bolts are obtained, the two fixing bolts respectively pass through the elbow and are connected to the inside of the positioning block, the top of the elbow is fixed, and the pole tower surface is suitable for When the clamp is installed in position, the clamp has front and rear petals, which fit the surface of the pole tower. The front and rear petals of the clamp hold the connecting block at the bottom of the bracket pipe on the left side at the same time. Get a fixing bolt and pass it through the front petal clamp, the connecting block and the rear petal clamp in turn. Use a nut to thread the fixing bolt. The connecting block is connected to the front and rear petals of the clamp together. Get another fixing bolt and pass it through the front petal clamp and the rear petal clamp on the right side in turn. Use a nut to thread the fixing bolt. Tighten the two nuts with the two fixing bolts. The clamp is fixed and installed, and the bracket pipe is also fixed and installed. The bracket pipe is fixed to the side of the pole tower for a long time to increase the cross arm support. When the operating personnel need to inspect and construct the line, the operating personnel step on the foot support to operate, providing a foot fulcrum to facilitate the inspection and construction of the line, saving manpower and improving safety.

[0005] In order to further improve, the surface of the bracket tube is fixedly connected with a mounting block, a side of the mounting block is provided with an insertion groove, a threaded groove is provided inside the insertion groove, an insertion block is clamped inside the insertion groove, the insertion block is connected to the foot pedal bracket, a threaded hole is provided on the side of the insertion block, a fixing bolt is connected to the threaded hole and the threaded groove, the insertion block is clamped into the insertion groove to achieve pre-positioning of the foot pedal bracket, the fixing bolt is threadedly connected with the threaded hole and the threaded groove in turn to achieve installation and fixation of the foot pedal bracket, and when the fixing bolt is disengaged from the threaded groove and the threaded hole, it is convenient to remove and replace the foot pedal bracket.

[0006] For further improvement, the pedal bracket is connected to two embedded blocks, and a convex pattern is arranged on the top of the pedal bracket. The two embedded blocks effectively support the pedal bracket, and the convex pattern increases the friction on the top of the pedal bracket to avoid slipping when the foot is applied.

[0007] Further improvement, there are multiple mounting blocks, and the interval distance between each two adjacent mounting blocks is equal. Multiple mounting blocks facilitate the adjustment of the number and distance of footrests to meet the actual operation needs of different operators, making line maintenance and construction more convenient.

[0008] For further improvement, a first connecting hole is opened inside the groove, and the fixing bolt passes through the first connecting hole. There are two first connecting holes, and the two first connecting holes are preset in advance. The first connecting hole facilitates the fixing bolt to pass through the elbow, and a threaded groove is also provided at the bottom of the positioning block, which facilitates the connection between the fixing bolt and the positioning block.

[0009] For further improvement, a second connecting hole is opened inside the connecting block, and the second connecting hole corresponds to the original connecting hole of the clamp. The fixing bolt passes through the second connecting hole and the original connecting hole of the clamp, and the fixing bolt is connected and tightened with the nut, so that the connecting block and the clamp are connected together, and the bracket tube and the clamp are connected and fixed.

[0010] Further improvement, the thread groove is located at the center of the insertion groove, the thread groove extends from the mounting block to the bracket tube, the depth of the thread groove is extended, and the fixing bolt is effectively connected to the mounting block and the bracket tube at the same time, thereby enhancing the fixing effect.

[0011] A method for manufacturing a tower auxiliary support for electric power engineering comprises the following steps:

[0012] S1. Main component forming: the bracket tube, the pedal bracket and the mounting block are all made of metal materials. The bracket tube is manufactured by selecting raw material pipes, bending and hot stamping to obtain the main component of the bracket tube. The part connected to the bracket tube includes an elbow and a connecting block. The pedal bracket is manufactured by selecting raw materials, high-temperature smelting and casting to obtain the main component of the pedal bracket. The part connected to the pedal bracket includes an insert block and a convex pattern. The mounting block is manufactured by selecting raw materials, high-temperature smelting and casting to obtain the main component of the mounting block. The insert groove and the mounting block are obtained at the same time.

[0013] S2. Welding the mounting block: Place the bracket tube on the operating table, adjust the position of the bracket tube, clamp and fix the bracket tube, mark the welding positions of multiple mounting blocks on the surface of the bracket tube, and the intervals between the multiple marks are equal. Obtain a mounting block, and the side of the mounting block that is not placed in the groove fits the surface of the bracket tube. Adjust the position of the mounting block, and accurately match the marked position of the mounting block. Use a welding tool to weld the mounting block to the surface of the bracket tube. The mounting block is fixed on the surface of the bracket tube. According to this operation, the welding and fixing of multiple mounting blocks are completed one after another;

[0014] S3. Setting hole grooves and threads: clamp and fix the bracket tube on a drilling machine, and perform operation processing on multiple mounting blocks by using a drilling machine and a drill bit. The drill bit drills through the mounting block at the center position inside the insertion groove, and drills an inner groove on the surface of the bracket tube, and then taps the hole and the inner groove by a tap to complete the processing setting of a threaded groove, loosen the bracket tube in time, adjust the position of the bracket tube and clamp and fix the bracket tube to complete the processing setting of multiple threaded grooves, and then continue to adjust the position of the bracket tube and clamp and fix the bracket tube, the drill bit drills two first connecting holes in the groove of the elbow, and the drill bit drills a second connecting hole in the connecting block, clamp and fix the foot pedal bracket on another drilling machine, and perform operation processing on the two insertion blocks by using a drilling machine and a drill bit, a large-sized drill bit drills two inner grooves in the two insertion blocks, switches to a small-sized drill bit to drill through the two inner grooves, and the two insertion blocks obtain two holes with steps, and then taps the two holes by a tap to complete the processing setting of two threaded holes;

[0015] S4. Surface treatment: Use grinding tools to grind the entire bracket tube, the welding part of the mounting block and the entire footrest bracket to remove excess burrs and make them smooth for easy assembly and application. After the grinding is completed, clean, dry and spray anti-corrosion paint as needed.

[0016] The beneficial effects of the present invention are:

[0017] 1. By obtaining the support pipe, the groove at the top of the elbow and the positioning block at the bottom of the cross arm are plugged into each other, and two fixing bolts are obtained. The two fixing bolts pass through the elbow and are connected to the inside of the positioning block respectively. The top of the elbow is fixed, and the clamp is installed at an appropriate position on the surface of the pole tower. The clamp has front and rear petals. The front and rear petals of the clamp fit the surface of the pole tower. The front and rear petals of the clamp clamp clamp the connecting block at the bottom of the support pipe on the left side at the same time. A fixing bolt is obtained and passed through the front petal clamp, the connecting block and the rear petal clamp in turn. The nut is used to thread the fixing bolt. The connecting block is connected to the front and rear petals of the clamp together. Another fixing bolt is obtained and passed through the front petal clamp and the rear petal clamp on the right side in turn. The nut is used to thread the fixing bolt. The two nuts are tightened with the two fixing bolts. The clamp is fixed and installed, and the support pipe is also fixed and installed. The support pipe is fixed on the side of the pole tower for a long time to increase the cross arm support. When the operating personnel need to inspect and construct the line, the operating personnel step on the foot support to operate, providing a foot fulcrum to facilitate the inspection and construction of the line, saving manpower and improving safety.

[0018] 2. The footrest bracket is pre-positioned by snapping the insertion block into the insertion groove. The fixing bolt is threadedly connected with the threaded hole and the threaded groove in turn to realize the installation and fixation of the footrest bracket. When the fixing bolt is disengaged from the threaded groove and the threaded hole, it is convenient to remove and replace the footrest bracket. Multiple installation blocks facilitate the adjustment of the number and distance of the footrest brackets, meet the actual operation needs of different operators, and make line maintenance and construction more convenient.

[0019] 3. The main body of the bracket tube is manufactured by selecting raw material pipes, bending and hot stamping, and the main body of the footrest bracket and the mounting block is manufactured by selecting raw materials, high-temperature smelting and casting. Multiple mounting blocks are welded on the surface of the bracket tube, and a first connecting hole and a second connecting hole are obtained by a drill bit. A drill bit and a tap are used to obtain a threaded groove and a threaded hole. The bracket tube, the footrest bracket and the mounting block are polished by a polishing tool, and then the entire bracket tube and the mounting block are cleaned, dried and sprayed with anti-corrosion paint as needed. Multiple main parts are easy to obtain and simple to manufacture, and are convenient to process and quick to handle, which are suitable for large-scale production to improve efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the support tube structure of the present invention;

[0021] Figure 2 For the present invention Figure 1 Enlarged view of point A in the middle;

[0022] Figure 3 For the present invention Figure 1 Enlarged view of point B in the middle;

[0023] Figure 4 It is a schematic diagram of the structure of the footrest bracket of the present invention;

[0024] Figure 5 This is a diagram showing the installation of the support tube of the present invention;

[0025] Figure 6 For the present invention Figure 5 Enlarged view of point C in the middle;

[0026] Figure 7 This is a diagram showing the elbow connection of the present invention;

[0027] Figure 8 For the present invention Figure 5 Enlarged view of point D in the middle;

[0028] Fig. 9 This is a diagram showing the connection of the connection block of the present invention.

[0029] Explanation of the accompanying drawings: 1. Support tube; 2. Pole tower; 3. Elbow; 4. Connecting block; 5. Footrest bracket; 6. Cross arm; 7. Clamp; 8. Groove; 9. Positioning block; 10. Fixing bolt; 11. Mounting block; 12. Insert groove; 13. Threaded groove; 14. Insert block; 15. Threaded hole; 16. Relief; 17. First connecting hole; 18. Second connecting hole. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-9 This embodiment is further described:

[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown: In this embodiment, an auxiliary support for a pole tower for power engineering and a manufacturing method thereof include a support tube 1 and a pole tower 2, an elbow 3 is fixedly connected to the top of the support tube 1, a connecting block 4 is fixedly connected to the bottom of the support tube 1, a foot support 5 is arranged on the surface of the support tube 1, a cross arm 6 is installed on the side of the pole tower 2, a clamp 7 is installed on the surface of the pole tower 2, the clamp 7 is below the cross arm 6, a groove 8 is arranged on the top of the elbow 3, a positioning block 9 is fixedly connected to the bottom of the cross arm 6, the positioning block 9 and the groove 8 are plugged into each other, a fixing bolt 10 is arranged at the bottom of the elbow 3, the fixing bolt 10 passes through the elbow 3 and is connected to the inside of the positioning block 9, there are multiple fixing bolts 10, and the fixing bolt 10 is connected to the clamp 7 and the connecting block 4 at the same time, a first connecting hole 17 is opened in the groove 8, the fixing bolt 10 passes through the first connecting hole 17, a second connecting hole 18 is opened in the connecting block 4, and the second connecting hole 18 corresponds to the original connecting hole of the clamp 7.

[0032] like Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown: a mounting block 11 is fixedly connected to the surface of the bracket tube 1, a placement groove 12 is provided on the side of the mounting block 11, a threaded groove 13 is provided inside the placement groove 12, an placement block 14 is clamped inside the placement groove 12, the placement block 14 is connected to the pedal bracket 5, a threaded hole 15 is provided on the side of the placement block 14, a fixing bolt 10 is connected to the threaded hole 15 and the threaded groove 13, the pedal bracket 5 is connected to two placement blocks 14, a convex pattern 16 is provided on the top of the pedal bracket, there are multiple mounting blocks 11, the spacing distance between each adjacent two mounting blocks 11 is equal, the threaded groove 13 is located at the center of the placement groove 12, and the threaded groove 13 extends from the mounting block 11 to the bracket tube 1.

[0033] A method for manufacturing a tower auxiliary support for electric power engineering comprises the following steps:

[0034] S1. Main body forming: the bracket tube 1, the pedal bracket 5 and the mounting block 11 are all made of metal materials. The bracket tube 1 is manufactured by selecting raw material pipes, bending and hot stamping, etc. to obtain the main body of the bracket tube 1. The part connected to the bracket tube 1 includes an elbow 3 and a connecting block 4. The pedal bracket 5 is manufactured by selecting raw materials, high-temperature smelting and casting to obtain the main body of the pedal bracket 5. The part connected to the pedal bracket 5 includes an insert block 14 and a convex pattern 16. The mounting block 11 is manufactured by selecting raw materials, high-temperature smelting and casting to obtain the main body of the mounting block 11. The insert groove 12 and the mounting block 11 are obtained at the same time;

[0035] S2. Welding the mounting block 11: placing the bracket tube 1 on the operating table, adjusting the position of the bracket tube 1, clamping and fixing the bracket tube 1, marking the welding positions of multiple mounting blocks 11 on the surface of the bracket tube 1, with the spacing between the multiple marks being equal, obtaining a mounting block 11, the side of the mounting block 11 that is not placed in the groove 12 is attached to the surface of the bracket tube 1, adjusting the position of the mounting block 11, accurately matching the position of the mark, using a welding tool to weld the mounting block 11 to the surface of the bracket tube 1, the mounting block 11 is fixed on the surface of the bracket tube 1, and according to this operation, the welding and fixing of multiple mounting blocks 11 are completed successively;

[0036] S3. Setting the hole groove and thread: Clamp and fix the bracket tube 1 on the drilling machine, and use the drilling machine and the drill bit to process the multiple mounting blocks 11. The drill bit drills through the mounting block 11 at the center position of the insertion groove 12, and drills the inner groove on the surface of the bracket tube 1. Then, the hole and the inner groove are tapped by a tap to complete the processing and setting of a thread groove 13. The bracket tube 1 is loosened at an appropriate time, and the position of the bracket tube 1 is adjusted and then the bracket tube 1 is clamped and fixed. After the processing and setting of multiple thread grooves 13 are completed, the position of the bracket tube 1 is adjusted and then clamped and fixed. The bracket tube 1, the drill bit drills two first connection holes 17 in the groove 8 of the elbow 3, and the drill bit drills a second connection hole 18 in the connection block 4, the footrest bracket 5 is clamped and fixed on another drilling machine, and the two insertion blocks 14 are processed by the drilling machine and the drill bit, the large-sized drill bit drills two inner grooves in the two insertion blocks 14, and the small-sized drill bit is switched to drill through the two inner grooves, and the two insertion blocks 14 obtain two holes with steps, and then the two holes are tapped by a tap to complete the processing setting of the two threaded holes 15;

[0037] S4. Surface treatment: Use grinding tools to grind the entire bracket tube 1, the welding part of the mounting block 11 and the entire footrest bracket 5 to remove excess burrs and smooth them for easy assembly and application. After the grinding is completed, clean, dry and spray anti-corrosion paint as needed.

[0038] When the present invention is in use: obtain the bracket tube 1, the two insertion blocks 14 of the footrest bracket 5 are snapped into the two insertion grooves 12 to achieve pre-positioning of the footrest bracket 5, and the two fixing bolts 10 are threadedly connected with the threaded hole 15 and the threaded groove 13 in turn to achieve installation and fixation of the footrest bracket 5. There are multiple mounting blocks 11, and multiple mounting blocks 11 are convenient for adjusting the number and distance of the footrest brackets 5 to meet the actual operation needs of different operators. The groove 8 at the top of the elbow 3 and the positioning block 9 at the bottom of the cross arm 6 are plugged into each other, and two fixing bolts 10 are obtained. The two fixing bolts 10 are respectively passed through the elbow 3 and connected to the inside of the positioning block 9, and the top of the elbow 3 is fixed, and the clamp 7 is installed at an appropriate position on the surface of the pole tower 2. The clamp 7 has front and rear two petals, and the front and rear two petals of the clamp 7 fit the surface of the pole tower 2. The front and rear two petals The clamp 7 on the left side simultaneously clamps the connecting block 4 at the bottom of the support tube 1, obtains a fixing bolt 10 and passes through the front petal clamp 7, the connecting block 4 and the rear petal clamp 7 in sequence, uses a nut and the fixing bolt 10 to be threadedly connected, the connecting block 4 is connected to the front and rear petal clamps 7 together, obtains another fixing bolt 10, passes through the front petal clamp 7 and the rear petal clamp 7 on the right side in sequence, uses a nut and the fixing bolt 10 to be threadedly connected, the two nuts are tightened with the two fixing bolts 10, the clamp 7 is fixedly installed, and the support tube 1 is also fixedly installed. The support tube 1 is fixed to the side of the pole tower for a long time to increase the cross arm support. When the operating personnel need to inspect and construct the line, the operating personnel step on the foot support 5 to operate, providing a foot fulcrum to facilitate the inspection and construction of the line, save manpower and improve safety.

[0039] Although the present invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A pole tower auxiliary support for power engineering and a manufacturing method thereof, comprising a support tube (1) and a pole tower (2), characterized in that: The top of the support tube (1) is fixedly connected with an elbow (3), the bottom of the support tube (1) is fixedly connected with a connecting block (4), the surface of the support tube (1) is provided with a pedal bracket (5), the side of the pole tower (2) is provided with a cross arm (6), the surface of the pole tower (2) is provided with a clamp (7), the clamp (7) is below the cross arm (6), the top of the elbow (3) is provided with a groove (8), the bottom of the cross arm (6) is fixedly connected with a positioning block (9), the positioning block (9) and the groove (8) are plugged into each other, the bottom of the elbow (3) is provided with a fixing bolt (10), the fixing bolt (10) passes through the elbow (3) and is connected to the inside of the positioning block (9), there are a plurality of fixing bolts (10), and the fixing bolts (10) are connected to the clamp (7) and the connecting block (4) at the same time.

2. The auxiliary support for a power tower used in an electric power engineering project and a method for manufacturing the same according to claim 1, characterized in that: The surface of the bracket tube (1) is fixedly connected with a mounting block (11), a side of the mounting block (11) is provided with an insertion groove (12), a threaded groove (13) is provided inside the insertion groove (12), an insertion block (14) is clamped inside the insertion groove (12), the insertion block (14) is connected to the pedal bracket (5), a threaded hole (15) is provided on the side of the insertion block (14), and a fixing bolt (10) is connected to the threaded hole (15) and the threaded groove (13).

3. The auxiliary support for a pole tower for electric power engineering and the manufacturing method thereof according to claim 2, characterized in that: The footrest bracket (5) is connected to two insertion blocks (14), and a convex pattern (16) is arranged on the top of the footrest bracket (5).

4. The auxiliary support for a pole tower for electric power engineering and the manufacturing method thereof according to claim 2, characterized in that: There are a plurality of mounting blocks (11), and the spacing between any two adjacent mounting blocks (11) is equal.

5. The auxiliary support for a pole tower used in an electric power engineering project and the manufacturing method thereof according to claim 1 is characterized in that: A first connecting hole (17) is provided inside the groove (8), and the fixing bolt (10) passes through the first connecting hole (17).

6. The auxiliary support for a pole tower for electric power engineering and the manufacturing method thereof according to claim 1, characterized in that: A second connection hole (18) is provided inside the connection block (4), and the second connection hole (18) corresponds to an original connection hole of the clamp (7).

7. The auxiliary support for a pole tower for electric power engineering and the manufacturing method thereof according to claim 2, characterized in that: The thread groove (13) is located at the center of the insertion groove (12), and the thread groove (13) extends from the mounting block (11) to the bracket tube (1).

8. A method for manufacturing a tower auxiliary support according to any one of claims 1 to 7, comprising the following steps: S1. Main component forming: the bracket tube (1), the pedal bracket (5) and the mounting block (11) are all made of metal materials. The bracket tube (1) is manufactured by selecting raw material pipes, bending and hot stamping to obtain the main component of the bracket tube (1). The part connected to the bracket tube (1) includes an elbow (3) and a connecting block (4). The pedal bracket (5) is manufactured by selecting raw materials, high-temperature smelting and casting to obtain the main component of the pedal bracket (5). The part connected to the pedal bracket (5) includes an insert block (14) and a convex pattern (16). The mounting block (11) is manufactured by selecting raw materials, high-temperature smelting and casting to obtain the main component of the mounting block (11). The insert groove (12) and the mounting block (11) are obtained at the same time. S2. Welding the mounting block (11): placing the support tube (1) on the operating table, adjusting the position of the support tube (1), and clamping and fixing the support tube (1), marking the welding positions of multiple mounting blocks (11) on the surface of the support tube (1), and the spacing between the multiple marks is equal, obtaining a mounting block (11), and the side of the mounting block (11) that is not placed in the groove (12) is attached to the surface of the support tube (1), adjusting the position of the mounting block (11), and the position of the mounting block (11) accurately matches the marked position, and using a welding tool to weld the mounting block (11) to the surface of the support tube (1), and the mounting block (11) is fixed on the surface of the support tube (1), and according to this operation, the welding and fixing of multiple mounting blocks (11) are completed successively; S3. Setting the hole groove and thread: The support tube (1) is clamped and fixed on the drilling machine, and the plurality of mounting blocks (11) are processed by the drilling machine and the drill bit. The drill bit drills through the mounting block (11) at the center position of the insertion groove (12), and drills an inner groove on the surface of the support tube (1). The hole and the inner groove are then tapped by a tap to complete the processing and setting of a thread groove (13). The support tube (1) is loosened at an appropriate time, and the position of the support tube (1) is adjusted and then the support tube (1) is clamped and fixed to complete the processing and setting of the plurality of thread grooves (13). The position of the support tube (1) is further adjusted and then the support tube (1) is clamped and fixed. The support tube (1) is drilled with a drill bit to form two first connection holes (17) in the groove (8) of the elbow (3), and a drill bit is drilled with a drill bit to form a second connection hole (18) in the connection block (4). The pedal support (5) is clamped and fixed on another drilling machine, and two insertion blocks (14) are processed by the drilling machine and the drill bit. A large-sized drill bit is used to drill two inner grooves in the two insertion blocks (14), and a small-sized drill bit is used to drill through the two inner grooves. Two holes with steps are obtained in the two insertion blocks (14), and then the two holes are tapped by a tap to complete the processing and setting of the two threaded holes (15); S4. Surface treatment: Use a grinding tool to grind the entire support tube (1), the welding part of the mounting block (11) and the entire foot support (5) to remove excess burrs and smoothen them for easy assembly and application. After the grinding is completed, clean, dry and spray anti-corrosion paint as needed.

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