Double-roller winching groove-disengaging-preventing device for power transmission line engineering
By setting up anti-groove assembly in the double-roller bend grinding device, the problem of easy dislodging of the wire rope is solved, effectively preventing the wire rope from detaching, extending the service life, and improving construction safety and efficiency.
Patent Information
- Application Number
- CN202421665467.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-07-15
AI Technical Summary
In transmission line projects, the wire ropes are prone to detachment during double roller grinding, resulting in weak construction safety management and personal injury and economic losses.
A double roller twisted anti-groove device including a first anti-groove assembly and a second anti-groove assembly is designed, which is arranged on the inlet and outlet sides of the grinder, and is connected by a plurality of groove wheels and insert shafts to ensure that the wire rope is subjected to uniform force in the drum groove.
Effectively prevent the wire rope from being released from the beaded drum, reduce the damage to the wire rope, extend the service life, improve construction efficiency and safety factor, and reduce the labor intensity of people.
Smart Images
Figure CN222922820U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of double-drum winches, in particular to an anti-derailing device for a double-drum winch used in transmission line projects. Background Art
[0002] With the progress of power engineering, the double-drum winch technology has been widely adopted, but it still faces challenges in safety management. In recent years, there have been many incidents of wire ropes derailing from the winch drums in transmission line projects. The frequent derailing of wire ropes during the use of double-drum winches has always threatened the safety of engineering construction, causing personal injuries to construction workers and bringing huge economic losses to enterprises.
[0003] During the erection of transmission line project iron towers and the construction of wire stringing, winch devices are widely used. They are an indispensable and irreplaceable tool. During the operation of the winch device, the wire ropes in the first four grooved wheels at the incoming line end can work well in the wheel grooves. At the outgoing line end, due to the use of manual pulling of the tail rope of the winch, the wire ropes are less stressed in the wheel grooves and are extremely prone to derailing. Moreover, due to reasons such as inadequate management, lack of responsibility, and seeking convenience, it has always been a weak link in the safety management of the construction site. However, the derailing of wire ropes causes great harm to the personnel pulling the tail rope of the winch, and the frequent handling during the construction operation takes a long time, seriously affecting the overall progress. Content of the Utility Model
[0004] Aiming at the above defects, the purpose of the utility model is to provide an anti-derailing device for a double-drum winch used in transmission line projects to solve the problem that wire ropes are easily derailed from the winch drums.
[0005] To achieve the above purpose, the utility model provides an anti-derailing device for a double-drum winch used in transmission line projects, including a first anti-derailing component and a second anti-derailing component. The first anti-derailing component is arranged on the incoming line side of the winch, and the second anti-derailing component is arranged on the outgoing line side of the winch.
[0006] A first wire rope drum is arranged on the incoming line side of the winch, and a second wire rope drum is arranged on the outgoing line side of the winch. The first anti-derailing component is located below the incoming line side of the first wire rope drum, and the first anti-derailing component is higher than the lowest end of the first wire rope drum. The second anti-derailing component is located below the outgoing line side of the second wire rope drum, and the second anti-derailing component is higher than the lowest end of the second wire rope drum.
[0007] As a preferred technical solution, both the first anti-derailing component and the second anti-derailing component include an anti-derailing part and a support part. The anti-derailing part is detachably installed on the support part, and the support part is detachably installed on the winch base.
[0008] As a preferred technical solution, the anti - detachment part includes a plurality of grooved pulleys. The plurality of grooved pulleys are connected in series through a plug shaft. The plurality of grooved pulleys can rotate on the plug shaft through bearings, and both ends of the plug shaft are fixed on the support part;
[0009] The support part includes two symmetrically arranged brackets, and each bracket is provided with a jack for inserting the plug shaft.
[0010] As a preferred technical solution, both the first wire rope drum and the second wire rope drum include a plurality of drum grooves for conveying the wire rope; the groove pitch of the grooved pulley is the same as the groove pitch of the drum grooves on the first wire rope drum and / or the second wire rope drum.
[0011] As a preferred technical solution, six drum grooves are provided on both the first wire rope drum and the second wire rope drum. The first anti - detachment groove assembly is provided with three grooved pulleys, and the three grooved pulleys of the first anti - detachment groove assembly correspond to the three outermost drum grooves on the first wire rope drum; the second anti - detachment groove assembly is provided with six grooved pulleys, and the six grooved pulleys of the second anti - detachment groove assembly correspond to the drum grooves on the second wire rope drum.
[0012] As a preferred technical solution, the support part is detachably installed on the winch base through a fixing part; the fixing part includes an upper base and a lower base. The two brackets of the support part are connected to the upper base; long slots are provided at the four top corners of the upper base, and base bolts are fixedly connected at the four top corners of the lower base. The base bolts on the lower base correspond to the positions of the long slots on the upper base and are inserted and connected.
[0013] As a preferred technical solution, the upper base, the lower base and the plug shaft are all made of Q345 carbon steel.
[0014] As a preferred technical solution, one side of the first wire rope drum and the second wire rope drum is installed on the side plate, and the side plate is connected to the winch base; the other side of the first wire rope drum and the second wire rope drum is installed on the winch base through a support frame.
[0015] As a preferred technical solution, the support frame includes a first rotating arm and a second rotating arm. A support rod is arranged between the first rotating arm and the second rotating arm. The support rod is connected with a drum fixing plate, and the drum fixing plate cooperates with the side plate to support the first wire rope drum and the second wire rope drum.
[0016] As a preferred technical solution, the tops of the first rotating arm and the second rotating arm are both provided with clamping protrusions, wherein the clamping protrusion located at the top of the first rotating arm is provided with a rotatable clamping and fixing part; when the two clamping protrusions located at the tops of the first rotating arm and the second rotating arm are located at the clamping and fixing part, the clamping and fixing part is clamped and fixed by tightening the screw.
[0017] The utility model provides a double-drum capstan grinding anti-slipping device for power transmission line engineering, which can effectively prevent the steel wire rope from slipping out of the drum groove of the double-drum capstan grinding, reduce the damage of the steel wire rope caused by frequent slipping out of the groove and squeezing of the steel wire rope, thereby extending the service life of the steel wire rope, improving construction efficiency and safety factor, reducing labor intensity of personnel, and ensuring the safety of personnel pulling the tail rope of the mill; the utility model has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the installation position of the double-drum capstan grinding anti-slip groove device for power transmission line engineering of the utility model;
[0019] Figure 2 is a top view of the first anti-slip groove assembly;
[0020] Figure 3 is a top view of the second anti-slip groove assembly;
[0021] Figure 4 is a side view of the second anti-slip groove assembly;
[0022] In the figure: 1-groove wheel; 2-insertion shaft; 3-base; 4-insertion shaft nut; 5-upper base; 6-lower base; 7-bracket; 8-base bolt; 9-base nut; 10-long hole; 11-first wire rope drum; 12-second wire rope drum; 13-support frame; 131-first rotating arm; 132-second rotating arm; 133-support rod; 134-clamping and fixing part; 14-side plate; 100-first anti-slip groove assembly; 200-second anti-slip groove assembly. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in combination with the embodiments below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.
[0024] Embodiment 1:
[0025] See also Figures 1 to 3 The utility model provides a double-drum capstan anti-slip groove device for power transmission line engineering, comprising a first anti-slip groove component 100 and a second anti-slip groove component 200, wherein the first anti-slip groove component 100 is arranged on the incoming line side of the capstan, and the second anti-slip groove component 200 is arranged on the outgoing line side of the capstan.
[0026] A first wire rope drum 11 is disposed on the inlet side of the capstan, and a second wire rope drum 12 is disposed on the outlet side of the capstan. The first wire rope drum 11 and the second wire rope drum 12 each include a plurality of drum grooves for conveying wire ropes.
[0027] One side of the first and second wire rope drums 11 and 12 is mounted on a side plate 14, and the side plate 14 is connected to a capstan base 15; the other side of the first and second wire rope drums 11 and 12 is mounted on the capstan base 15 through a support frame 13. The support frame 13 includes a first rotating arm 131 and a second rotating arm 132, and a support rod 133 is arranged between the first and second rotating arms 131 and 132, and a drum fixing plate is connected to the support rod 133, and the drum fixing plate cooperates with the side plate 14 to support the first and second wire rope drums 11 and 12. The tops of the first and second rotating arms 131 and 132 are both provided with clamping protrusions, wherein the clamping protrusions located at the top of the first rotating arm 131 are provided with a rotatable clamping and fixing portion 134, and when the two clamping protrusions located at the tops of the first and second rotating arms 131 and 132 are located at the clamping and fixing portion 134, the clamping and fixing portion 134 can be clamped and fixed by tightening the screw. By providing the support frame 13, when the first wire rope drum 11 and / or the second wire rope drum 12 need to be replaced, disassembly and assembly are convenient and easy to operate.
[0028] The first anti-slip groove assembly 100 is located below the incoming line side of the first wire rope drum 11, and the first anti-slip groove assembly 100 is slightly higher than the bottom end of the first wire rope drum 11. The second anti-slip groove assembly 200 is located below the outgoing line side of the second wire rope drum 12, and the second anti-slip groove assembly 200 is slightly higher than the bottom end of the second wire rope drum 12.
[0029] The first anti-slip groove assembly 100 and the second anti-slip groove assembly 200 both include an anti-slip portion and a supporting portion. The anti-slip portion is detachably mounted on the supporting portion, and the supporting portion is detachably mounted on the capstan base 15 .
[0030] The anti-slip part includes a plurality of sheaves 1, which are connected in series through an insert shaft 2. The plurality of sheaves 1 can rotate on the insert shaft 2 through bearings, and both ends of the insert shaft 2 are fixed to the support part through an insert shaft nut 4. The groove pitch of the sheave 1 is the same as the groove pitch of the drum groove on the first wire rope drum 11 and / or the second wire rope drum 12. The groove pitch of the sheave 1 can be set according to the needs, so as to be convenient for adapting to wire ropes of various specifications, and is easy to disassemble and assemble, and has a wide range of adaptability.
[0031] Among them, six drum grooves are provided on both the first wire rope drum 11 and the second wire rope drum 12. The first anti - detachment groove assembly 100 is provided with three sheave wheels 1, and the three sheave wheels 1 of the first anti - detachment groove assembly 100 correspond to the outermost three drum grooves on the first wire rope drum 11. The second anti - detachment groove assembly 200 is provided with six sheave wheels 1, and the six sheave wheels 1 of the second anti - detachment groove assembly 200 correspond to the drum grooves on the second wire rope drum 12.
[0032] The support part includes two symmetrically arranged brackets 7, and each bracket 7 is provided with an insertion hole for inserting the insertion shaft 2.
[0033] See Figure 4 , in order to further adjust the distance between the first anti - detachment groove assembly 100 and the first wire rope drum 11, and between the second anti - detachment groove assembly 200 and the second wire rope drum 12, the support part can be installed on the fixing part, and the fixing part can be installed on the base of the winch grinder 15. Specifically, the fixing part includes an upper base 5 and a lower base 6. The two brackets 7 of the support part are connected to the upper base 5 by welding. Long - slot holes 10 are provided at the four top corners of the upper base 5, and base bolts 8 are fixedly connected at the four top corners of the lower base 6. The base bolts 8 on the lower base 6 correspond to the positions of the long - slot holes 10 on the upper base 5. The position of the base bolts 8 in the long - slot holes 10 can be adjusted according to requirements to increase or decrease the distance between the first anti - detachment groove assembly and the core of the winch grinder. After the position adjustment is completed, the base bolts 8 cooperate with the base nuts 9 to clamp and fix the upper base 5 and the lower base 6.
[0034] The upper base 5, the lower base 6 and the insertion shaft 2 are all made of Q345 carbon steel.
[0035] The anti - detachment groove device for a double - drum winch in the transmission line project of the utility model, when cooperating with the first wire rope drum 11 and the second wire rope drum 12, can be applicable to wire ropes with a maximum diameter of 18 mm. The pitch of the groove of the sheave wheel 1 is 29 mm, the depth of the groove is 5 mm, and the bottom diameter of the groove is 80 mm; the inner diameter of the bearing embedded in the sheave wheel 1 is 20 mm and the outer diameter is 72 mm; the diameter of the insertion shaft 2 is 20 mm and the length is 300 mm; the insertion shaft nut 4 is an M20 nut with a thickness of 15.3 mm. The upper base 5 has a thickness of 10 mm, a width of 150 mm, a length of 300 mm, and the hole diameter at 4 positions is 20 mm; the lower base 6 has a thickness of 10 mm, a width of 150 mm, and a length of 300 mm. The thickness of the bracket 7 is 10 mm, the width is 50 mm, and the length is 100 mm.
[0036] Installation of the inlet end: First, weld the bracket 7 to the upper base 5 in advance; then, insert bearings into the multiple sheave wheels 1 in the first anti - detachment groove assembly 100, and then connect the multiple sheave grooves 1 in series through the insertion shaft 2. Insert both ends of the insertion shaft 2 into the bracket 7 and fasten them with the insertion shaft nuts 4. Secondly, adjust the distance between the sheave wheel 1 in the first anti - detachment groove assembly 100 and the first wire rope drum 11. Fix the upper base 5 and the lower base 6 with the base bolts 8 and base nuts 9, and install the lower base 6 on the winch base 15. Finally, adjust the distance between the sheave wheel 1 in the first anti - detachment groove assembly 100 and the winch core: horizontally, adjust the position of the base bolt 8 in the long - slot hole 10; vertically, adjust the position of the upper base 5 moving up and down along the base bolt 8.
[0037] Installation of the outlet end: Except that the number of sheave grooves 1 in the second anti - detachment groove assembly 200 is different from that in the first anti - detachment groove assembly 100, the installation method is exactly the same, so it will not be described in detail.
[0038] The utility model provides an anti - detachment groove device for a double - drum winch used in transmission line projects, which can be applicable to different models of motorized winches, effectively prevent wire ropes of various specifications from slipping out of the drum grooves of the double - drum winch, reduce the damage to the wire ropes caused by the frequent slipping and extrusion of the wire ropes, thereby prolong the service life of the wire ropes, improve the construction efficiency and safety factor, reduce the labor intensity of personnel, ensure the safety of the personnel pulling the tail rope of the winch; the structure is simple and the use is convenient.
[0039] Certainly, the utility model can also have many other embodiments. Without departing from the spirit and essence of the utility model, those skilled in the art can make various corresponding changes and deformations according to the utility model. However, these corresponding changes and deformations should all fall within the protection scope of the appended claims of the utility model.
Claims
1. A double-drum capstan anti-slip device for power transmission line engineering, characterized in that: It comprises a first anti-slip groove assembly (100) and a second anti-slip groove assembly (200), wherein the first anti-slip groove assembly (100) is arranged on the line inlet side of the capstan, and the second anti-slip groove assembly (200) is arranged on the line outlet side of the capstan; A first wire rope drum (11) is provided on the line inlet side of the capstan, and a second wire rope drum (12) is provided on the line outlet side of the capstan, the first anti-slip groove assembly (100) is located below the line inlet side of the first wire rope drum (11), and the first anti-slip groove assembly (100) is higher than the bottom end of the first wire rope drum (11), and the second anti-slip groove assembly (200) is located below the line outlet side of the second wire rope drum (12), and the second anti-slip groove assembly (200) is higher than the bottom end of the second wire rope drum (12).
2. A double-drum capstan anti-slip device for power transmission line engineering according to claim 1, characterized in that: The first anti-slip groove assembly (100) and the second anti-slip groove assembly (200) both comprise an anti-slip portion and a support portion, the anti-slip portion is detachably mounted on the support portion, and the support portion is detachably mounted on the capstan base (15).
3. A double-drum capstan grinding anti-slip groove device for power transmission line engineering according to claim 2, characterized in that: The anti-slip portion comprises a plurality of sheaves (1), the plurality of sheaves (1) are connected in series via an insertion shaft (2), the plurality of sheaves (1) can rotate on the insertion shaft (2) via bearings, and both ends of the insertion shaft (2) are fixed on the support portion; The support portion comprises two symmetrically arranged brackets (7), each bracket (7) being provided with an insertion hole, and the insertion hole is used for inserting the insertion shaft (2).
4. A double-drum capstan grinding anti-slip groove device for power transmission line engineering according to claim 3, characterized in that: The first wire rope drum (11) and the second wire rope drum (12) both comprise a plurality of drum grooves, wherein the drum grooves are used to convey the wire rope; the groove pitch of the groove wheel (1) is the same as the groove pitch of the drum grooves on the first wire rope drum (11) and / or the second wire rope drum (12).
5. A double-drum capstan anti-slip device for power transmission line engineering according to claim 4, characterized in that: The first wire rope drum (11) and the second wire rope drum (12) are both provided with six drum grooves, the first anti-slip groove assembly (100) is provided with three groove wheels (1), and the three groove wheels (1) of the first anti-slip groove assembly (100) correspond to the three outermost drum grooves on the first wire rope drum (11); the second anti-slip groove assembly (200) is provided with six groove wheels (1), and the six groove wheels (1) of the second anti-slip groove assembly (200) correspond to the drum grooves on the second wire rope drum (12).
6. A double-drum capstan anti-slip device for power transmission line engineering according to claim 3, characterized in that: The support part is detachably mounted on the winch base (15) through the fixing part; the fixing part comprises an upper base (5) and a lower base (6); the two brackets (7) of the support part are connected to the upper base (5); four top corners of the upper base (5) are provided with elongated holes (10); four top corners of the lower base (6) are fixedly connected with base bolts (8); the base bolts (8) on the lower base (6) correspond to the positions of the elongated holes (10) on the upper base (5) and are plug-in connected.
7. A double-drum capstan anti-slip device for power transmission line engineering according to claim 6, characterized in that: The upper base (5), the lower base (6) and the insertion shaft (2) are all made of Q345 carbon steel.
8. The double-drum capstan anti-slip device for power transmission line engineering according to claim 1, characterized in that: One side of the first steel rope drum (11) and the second steel rope drum (12) is mounted on a side plate (14), and the side plate (14) is connected to a capstan base (15); the other side of the first steel rope drum (11) and the second steel rope drum (12) is mounted on the capstan base (15) via a support frame (13).
9. A double-drum capstan grinding anti-slip groove device for power transmission line engineering according to claim 8, characterized in that: The support frame (13) comprises a first rotating arm (131) and a second rotating arm (132); a support rod (133) is arranged between the first rotating arm (131) and the second rotating arm (132); the support rod (133) is connected to a roller fixing plate; the roller fixing plate cooperates with the side plate (14) to support the first wire rope drum (11) and the second wire rope drum (12).
10. A double-drum capstan grinding anti-slip groove device for power transmission line engineering according to claim 9, characterized in that: The tops of the first rotating arm (131) and the second rotating arm (132) are both provided with clamping protrusions, wherein the clamping protrusion located at the top of the first rotating arm (131) is provided with a rotatable clamping fixing portion (134); when the two clamping protrusions located at the tops of the first rotating arm (131) and the second rotating arm (132) are located at the clamping fixing portion (134), the clamping fixing portion (134) is clamped and fixed by tightening the screw.