Upper strand penetrating tool for prestressed construction of wind power concrete tower drum

Abstract

The utility model relates to the field of strand penetrating tools, in particular to an upper strand penetrating tool for prestress construction of a wind power concrete tower drum, which comprises an underframe, a winding machine, a positioning bolt, supporting legs, a pulley transmission component and a telescopic arm component. A positioning bolt is fixedly mounted in the center of the bottom frame, a winding machine is fixedly mounted on one side of the positioning bolt, a bundle penetrating cable is wound in the winding machine, a mounting groove is formed in the center of the positioning bolt, a pulley transmission assembly used for providing transmission for the cable is arranged above the positioning bolt, and the pulley transmission assembly comprises a first-stage round pipe, a second-stage round pipe and a positioning wheel. The lower end of the first-stage circular pipe extends to the bottom of the mounting groove, and two telescopic arm assemblies are symmetrically arranged at the outer end of the pulley transmission assembly. According to the utility model, through the telescopic arm assembly, when upper part strand pulling is carried out, adjustment can be carried out according to the sizes of different wind power concrete tower tubes, so that the applicability of the strand pulling tool is improved.

Description

Technical Field

[0001] The utility model relates to the field of bundle threading tooling, in particular to an upper bundle threading tooling for prestressed construction of a wind power concrete tower. Background Art

[0002] In the prestressed construction of wind turbine concrete towers, upper strand threading is one of the key links, which involves accurately inserting the prestressed steel strands into the preset channels inside the tower and applying prestress to enhance the structural performance of the tower.

[0003] In the process of threading the upper portion of the existing wind turbine concrete tower, a large number of workers are usually required to assist in the construction of the wind turbine concrete tower, which easily leads to a decrease in the efficiency of threading the upper portion of the wind turbine concrete tower.

[0004] Therefore, in order to solve the above problem that more workers are needed to assist in the construction of wind power concrete tower, a prestressed upper bundle threading tool for wind power concrete tower construction can be designed to facilitate solving the above problem. Utility Model Content

[0005] In order to overcome the problem that the existing wind power concrete tower requires more workers to assist in the construction of the wind power concrete tower during the upper bundle threading process, which easily leads to a problem that the efficiency of the upper bundle threading of the wind power concrete tower is reduced.

[0006] The technical solution of the utility model is: the upper bundle threading tooling of the prestressed construction of the wind power concrete tower includes a base frame, a winding machine, a positioning bolt, a support leg, a pulley transmission assembly and a telescopic arm assembly; the center of the base frame is fixedly installed with a positioning bolt, a winding machine is fixedly installed on one side of the positioning bolt, the interior of the winding machine is wound with a bundle threading cable, the center of the positioning bolt is provided with a mounting groove, and the upper part of the positioning bolt is provided with a pulley transmission assembly for providing transmission for the cable, the pulley transmission assembly includes a primary round tube, a secondary round tube and a positioning wheel, the lower end of the primary round tube extends to the bottom of the mounting groove, and the outer end of the pulley transmission assembly is symmetrically provided with two groups of telescopic arm assemblies, the telescopic arm assembly includes a primary square steel and a secondary square steel, and a support leg is provided below one end of the secondary square steel away from the primary square steel.

[0007] Preferably, compared with the existing wind power concrete tower, in the process of upper bundle threading, more staff are usually required to assist in the construction of the wind power concrete tower. The present application combines support legs, pulley transmission components, telescopic arm components and hoists, so that when the wind power concrete tower is transmitted to the upper part, the hoist can retract and extend the bundle threading cable, so that the bundle threading cable drives the bundle threading cable through the pulley group of the pulley transmission component to connect the prestressed steel bundle and directly lift the prestressed steel bundle to complete the bundle threading, which greatly reduces the number of people required for the upper bundle threading of the wind power concrete tower and improves the efficiency of the upper bundle threading of the wind power concrete tower. Through the telescopic arm component, when the upper bundle threading is performed, it can be adjusted according to the size of different wind power concrete towers, thereby improving the applicability of the bundle threading tooling, and providing support to the telescopic arm component through the support legs to ensure the safety of construction. At the same time, it has the advantages of easy disassembly and transportation, low cost of use, low noise, safety and environmental protection.

[0008] Preferably, a positioning block is fixedly installed above one end of the base frame, a positioning groove is provided in the center of the positioning block, a positioning hook is provided inside the positioning groove, a hanging ring is fixedly installed at the tail of the positioning hook, and support rods are provided on both sides of the positioning bolt. There are four groups of support rods, and the four groups of support rods are distributed on both sides of the positioning bolt.

[0009] Preferably, two sets of fixing frames are symmetrically provided at the lower end of the first-level circular tube, and two sets of fixed pulleys are symmetrically provided between the two sets of fixing frames.

[0010] Preferably, the secondary circular tube is located at the upper end of the primary circular tube, a secondary fixed plate is provided between the secondary circular tube and the primary circular tube, a primary fixed plate is provided at the upper end of the primary circular tube, four groups of primary wheel frames are symmetrically provided at the upper end center of the primary fixed plate, and two groups of primary pulleys are provided between the four groups of primary wheel frames.

[0011] Preferably, one end of the first-level square steel extends between the first-level fixed plate and the second-level fixed plate, an adjustment groove is provided inside the first-level square steel, one end of the second-level square steel extends to the inside of the adjustment groove, and a bundle passage is provided at one end of the second-level square steel away from the first-level square steel. Two sets of second-level wheel frames are symmetrically provided above the bundle passage, and a second-level pulley is provided in the center of the second-level wheel frame.

[0012] Preferably, a clamping structure is provided between the lower portion of one end of the secondary square steel away from the primary square steel and the support leg, and the secondary square steel and the support leg are connected via the clamping structure.

[0013] Preferably, one end of the bundled cable is connected to the winding machine, and the other end of the bundled cable passes through the hanging ring, fixed pulley, primary pulley, secondary pulley and bundled port in sequence and extends to the top of the positioning slot, and the other end of the bundled cable is provided with a hanging sleeve.

[0014] Beneficial effects of the utility model:

[0015] 1. The present application combines support legs, pulley transmission components, telescopic arm components and a hoist, so that when the wind turbine concrete tower is being transported upward, the hoist can retract and extend the bundle-threading cable, so that the bundle-threading cable drives the bundle-threading cable through the pulley group of the pulley transmission component to connect the prestressed steel bundle and directly lift the prestressed steel bundle to complete the bundle threading, which greatly reduces the number of people required for the bundle threading on the upper part of the wind turbine concrete tower and improves the efficiency of the bundle threading on the upper part of the wind turbine concrete tower. Through the telescopic arm component, it can be adjusted according to the size of different wind turbine concrete towers during the upper bundle threading, thereby improving the applicability of the bundle threading tooling, and providing support to the telescopic arm component through the support legs to ensure the safety of construction. At the same time, it has the advantages of easy disassembly and transportation, low cost of use, low noise, safety and environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a schematic diagram of the overall structure of the harness threading tool of the present invention;

[0017] Figure 2 Shown is a schematic diagram of the base frame and positioning bolt structure of the harness threading tool of the present invention;

[0018] Figure 3 Shown is a schematic diagram of the pulley transmission assembly structure of the harness threading tool of the present invention;

[0019] Figure 4 Shown is a schematic diagram of the structure of the telescopic arm assembly of the harness threading tooling of the present invention.

[0020] Explanation of the accompanying reference numerals: 1. Base frame; 2. Winding machine; 3. Positioning bolt; 4. Pulley transmission assembly; 5. Telescopic arm assembly; 6. Support leg; 7. Cable threading; 8. Positioning hook; 9. Hanging ring; 10. Hanging sleeve; 11. Mounting groove; 12. Support rod; 13. Positioning block; 14. Positioning groove; 15. Primary round tube; 16. Secondary round tube; 17. Fixed frame; 18. Fixed pulley; 19. Primary square steel; 20. Secondary square steel; 21. Adjusting groove; 22. Cable threading port; 23. Clamping structure; 24. Primary fixing plate; 25. Secondary fixing plate; 26. Primary wheel frame; 27. Primary pulley; 28. Secondary wheel frame; 29. ​​Secondary pulley. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] See also Figures 1-4The utility model provides an embodiment: a bundle threading tool for the upper part of the prestressed construction of a wind power concrete tower, comprising a base frame 1, a winding machine 2, a positioning bolt 3, a support leg 6, a pulley transmission assembly 4 and a telescopic arm assembly 5; a positioning bolt 3 is fixedly installed at the center of the base frame 1, a winding machine 2 is fixedly installed on one side of the positioning bolt 3, a bundle threading cable 7 is wound inside the winding machine 2, a mounting groove 11 is opened at the center of the positioning bolt 3, a pulley transmission assembly 4 for providing transmission for the cable is provided above the positioning bolt 3, the pulley transmission assembly 4 comprises a primary round tube 15, a secondary round tube 16 and a positioning wheel, the lower end of the primary round tube 15 extends to the bottom of the mounting groove 11, and two groups of telescopic arm assemblies 5 are symmetrically provided at the outer end of the pulley transmission assembly 4, the telescopic arm assembly 5 comprises a primary square steel 19 and a secondary square steel 20, and a support leg 6 is provided below one end of the secondary square steel 20 away from the primary square steel 19.

[0023] See also Figure 1-Figure 3 The locating block 13 of the present invention is fixedly installed on the upper side of one end of the base frame 1, and the center of the locating block 13 is provided with a locating groove 14. The interior of the locating groove 14 is provided with a locating hook 8, and the tail of the locating hook 8 is fixedly provided with a hanging ring 9. Support rods 12 are provided on both sides of the locating bolt 3. There are four groups of support rods 12. The four groups of support rods 12 are evenly distributed on both sides of the locating bolt 3. Through the combination of the locating block 13 and the locating groove 14, the locating groove 14 can play a certain positioning role for the prestressed steel bar bundle when the upper bundle is passed through, thereby facilitating the locating hook 8 to hook the prestressed steel bar bundle. The lower end of the primary circular tube 15 is symmetrically provided with two groups of fixing brackets 17, and two groups of fixed pulleys 18 are symmetrically provided between the two groups of fixing brackets 17. By combining the two groups of fixing brackets 17, the two groups of fixed pulleys 18 can be fixed on the lower end of the primary circular tube 15 to guide the bundled cables 7.

[0024] See also Figure 2-Figure 3In this embodiment, the secondary round tube 16 is located at the upper end of the primary round tube 15, and a secondary fixing plate 25 is sleeved between the secondary round tube 16 and the primary round tube 15. A primary fixing plate 24 is sleeved on the upper end of the primary round tube 15. Four groups of primary wheel frames 26 are symmetrically arranged on the upper end of the primary fixing plate 24. Two groups of primary pulleys 27 are set between the four groups of primary wheel frames 26. By combining the primary fixing plate 24 with the secondary fixing plate 25, the telescopic arm assembly 5 can be fixed on both sides of the pulley transmission assembly 4, and the pulley transmission assembly 4 is fixed above the positioning bolt 3. One end of the primary square steel 19 extends to the primary fixing plate 24. Between the fixed plate 24 and the secondary fixed plate 25, an adjustment groove 21 is opened inside the primary square steel 19, one end of the secondary square steel 20 extends into the inside of the adjustment groove 21, and a tie-through opening 22 is opened at the end of the secondary square steel 20 away from the primary square steel 19. Two groups of secondary wheel frames 28 are symmetrically arranged above the tie-through opening 22, and a secondary pulley 29 is set at the center of the secondary wheel frame 28. By combining the primary square steel 19, the secondary square steel 20 and the adjustment groove 21, the secondary square steel 20 can be adjusted to extend and retract through the adjustment groove 21, so that the telescopic arm assembly 5 can be adjusted according to the sizes of different wind power concrete towers.

[0025] See also Figure 3-Figure 4 In this embodiment, a clamping structure 23 is provided between the lower end of the secondary square steel 20 away from the primary square steel 19 and the support leg 6. The secondary square steel 20 and the support leg 6 are connected by the clamping structure 23. The support leg 6 can be quickly fixedly installed under one end of the secondary square steel 20 through the clamping structure 23. Through this quick clamping method, the bundle-threading tooling is easy to disassemble during transportation. One end of the bundle-threading cable 7 is connected to the winding machine 2, and the other end of the bundle-threading cable 7 passes through the hanging ring 9 and the fixed pulley in sequence. 18, the primary pulley 27, the secondary pulley 29 and the bundle insertion port 22 extend to the top of the positioning groove 14, and the other end of the bundle insertion cable 7 is provided with a hanging sleeve 10. Through the combination of the fixed pulley 18, the primary pulley 27 and the secondary pulley 29, the hanging ring 9 and the positioning hook 8 are respectively fixed to the head and tail of the prestressed steel bar bundle. The winding machine 2 can retract and release the bundle insertion cable 7, so that the bundle insertion cable 7 is driven by the pulley group composed of the fixed pulley 18, the primary pulley 27 and the secondary pulley 29 to lift the prestressed steel bar bundle to complete the bundle insertion.

[0026] During operation, the telescopic arm assembly 5 can be fixed on both sides of the pulley transmission assembly 4 by combining the primary fixing plate 24 and the secondary fixing plate 25 , and the pulley transmission assembly 4 is fixed above the positioning bolt 3 .

[0027] By combining the primary square steel 19 , the secondary square steel 20 and the adjustment slot 21 , the secondary square steel 20 can be adjusted to extend and retract through the adjustment slot 21 , so that the telescopic arm assembly 5 can be adjusted to different sizes of wind power concrete towers.

[0028] After the hanging ring 9 and the positioning hook 8 fix the head and tail of the prestressed steel bar bundle respectively, the winding machine 2 can retract and release the bundle threading cable 7, so that the bundle threading cable 7 drives the prestressed steel bar bundle to be lifted through the pulley group composed of the fixed pulley 18, the primary pulley 27 and the secondary pulley 29 to complete the bundle threading.

[0029] Through the above steps, the present application combines the support legs 6, the pulley transmission assembly 4, the telescopic arm assembly 5 and the hoist, so that when the wind power concrete tower is being transmitted upward, the hoist 2 can retract and extend the bundle-threading cable 7, so that the bundle-threading cable 7 drives the bundle-threading cable 7 through the pulley group of the pulley transmission assembly 4 to connect the prestressed steel bar bundle and directly lift the prestressed steel bar bundle to complete the bundle threading, which greatly reduces the number of people required for the bundle threading on the upper part of the wind power concrete tower and improves the efficiency of the bundle threading on the upper part of the wind power concrete tower. Through the telescopic arm assembly 5, when performing the upper bundle threading, it can be adjusted according to the size of different wind power concrete towers, thereby improving the applicability of the bundle threading tooling, and providing support to the telescopic arm assembly 5 through the support legs 6, ensuring the safety of construction, and at the same time having the advantages of easy disassembly and transportation, low cost of use, low noise, safety and environmental protection.

Claims

1. A prestressed upper bundle threading tool for wind power concrete tower construction, comprising a base frame (1); characterized in that: The invention also includes a winder (2), a positioning bolt (3), a support leg (6), a pulley transmission assembly (4) and a telescopic arm assembly (5); the center of the base frame (1) is fixedly installed with a positioning bolt (3), one side of the positioning bolt (3) is fixedly installed with a winder (2), the interior of the winder (2) is wound with a bundled cable (7), the center of the positioning bolt (3) is provided with a mounting groove (11), the upper part of the positioning bolt (3) is provided with a pulley transmission assembly (4) for providing transmission for the cable, the pulley transmission assembly (4) includes a primary round tube (15), a secondary round tube (16) and a positioning wheel, the lower end of the primary round tube (15) extends to the bottom of the mounting groove (11), the outer end of the pulley transmission assembly (4) is symmetrically provided with two groups of telescopic arm assemblies (5), the telescopic arm assembly (5) includes a primary square steel (19) and a secondary square steel (20), and a support leg (6) is provided below one end of the secondary square steel (20) away from the primary square steel (19).

2. The upper bundle threading tool for prestressed construction of wind power concrete tower according to claim 1 is characterized by: A positioning block (13) is fixedly installed above one end of the base frame (1), a positioning groove (14) is opened in the center of the positioning block (13), a positioning hook (8) is provided inside the positioning groove (14), a hanging ring (9) is fixedly installed at the tail of the positioning hook (8), and support rods (12) are provided on both sides of the positioning bolt (3). The support rods (12) are provided in four groups, and the four groups of support rods (12) are evenly distributed on both sides of the positioning bolt (3).

3. The upper bundle threading tool for prestressed construction of wind power concrete tower according to claim 1 is characterized by: Two groups of fixing frames (17) are symmetrically provided at the lower end of the primary circular tube (15), and two groups of fixed pulleys (18) are symmetrically provided between the two groups of fixing frames (17).

4. The upper bundle threading tool for prestressed construction of wind power concrete tower according to claim 3 is characterized by: The secondary circular tube (16) is located at the upper end of the primary circular tube (15), a secondary fixing plate (25) is sleeved between the secondary circular tube (16) and the primary circular tube (15), a primary fixing plate (24) is sleeved on the upper end of the primary circular tube (15), four groups of primary wheel frames (26) are symmetrically provided at the upper end center of the primary fixing plate (24), and two groups of primary pulleys (27) are provided between the four groups of primary wheel frames (26).

5. The upper bundle threading tool for prestressed construction of wind power concrete tower according to claim 4 is characterized by: One end of the first-level square steel (19) extends to between the first-level fixed plate (24) and the second-level fixed plate (25), an adjustment groove (21) is opened inside the first-level square steel (19), one end of the second-level square steel (20) extends to the inside of the adjustment groove (21), and an end of the second-level square steel (20) away from the first-level square steel (19) is opened with a beam-through opening (22), and two groups of second-level wheel frames (28) are symmetrically provided above the beam-through opening (22), and a second-level pulley (29) is provided at the center of the second-level wheel frame (28).

6. The upper bundle threading tool for prestressed construction of wind power concrete tower according to claim 5 is characterized by: A clamping structure (23) is provided between the lower portion of one end of the secondary square steel (20) away from the primary square steel (19) and the support leg (6), and the secondary square steel (20) and the support leg (6) are connected via the clamping structure (23).

7. The upper bundle threading tool for prestressed construction of a wind power concrete tower according to claim 6 is characterized by: One end of the bundle-threading cable (7) is connected to the winding machine (2), and the other end of the bundle-threading cable (7) passes through the hanging ring (9), the fixed pulley (18), the first pulley (27), the second pulley (29) and the bundle-threading opening (22) in sequence and extends to the top of the positioning groove (14). The other end of the bundle-threading cable (7) is provided with a hanging sleeve (10).

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