Stretching field temporary anchor outgoing line ladder stand

Abstract

The utility model discloses a stretching field temporary anchor outgoing line ladder stand which comprises a hanging pulley assembly, a bearing lock assembly and a folding ladder stand arranged in the vertical direction, a support connected with the folding ladder stand in a sliding mode is arranged at the upper end of the folding ladder stand, the hanging pulley assembly is fixedly connected with the upper end of the support, and a bearing lock is rotationally connected with the support located below the hanging pulley assembly. The hooking pulley assembly is installed on a guide rope or a wire of a wire outlet of the stretching machine. The traction field temporary anchor outgoing line ladder stand moves along the line through rolling of the hanging pulley assembly, the traction field temporary anchor outgoing line ladder stand is fastened to a guide rope or a wire through the gravity lever effect of the folding ladder stand and the bearing lock assembly, labor intensity is reduced, the installation efficiency and construction efficiency of a wire clamping device are improved, and meanwhile the traction field temporary anchor outgoing line ladder stand is fixed to the guide rope or the wire. The temporary anchor outgoing line ladder stand for the distraction field has the advantages of being reliable in connection and high in protection performance, plays a role in protecting high-altitude operation personnel, prevents the falling risk, and has profound comprehensive significance.

Description

Technical Field

[0001] The utility model relates to the technical field of traction field equipment, in particular to a temporary anchor outgoing line climbing ladder for a tension and traction field. Background Technique

[0002] According to the relevant regulations of the State Grid Corporation, the tension stringing method must be adopted for the stringing of conductors with a voltage level of 220 kV and above. It is necessary to first pass the primary guiding rope for stringing, and then tow other high-level towing ropes to achieve it. During the stringing process of conductors, ground wires, etc., it is necessary to replace the wire reels, so it is necessary to temporarily anchor the guiding ropes or conductors that have been strung in the air.

[0003] Due to the layout of the tension and traction field and the tension and traction machine, the conductors or guiding ropes that have been strung in the air have a certain elevation angle, and the operator cannot directly install the wire clamping device for anchoring. The high-altitude personnel need to climb from the outlet of the tension and traction machine along the outgoing line direction of the guiding rope or conductor to the corresponding position to tighten the wire clamping device. This method has low outgoing line efficiency, and there is a certain risk of falling for high-altitude personnel.

[0004] Therefore, it is necessary to design a temporary anchor outgoing line climbing ladder for a tension and traction field. Content of the Utility Model

[0005] In view of this, the utility model provides a temporary anchor outgoing line climbing ladder for a tension and traction field to solve the problems existing in the prior art.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0007] A temporary anchor outgoing line climbing ladder for a tension and traction field includes a hanging pulley assembly, a load-bearing lock assembly, and a folding climbing ladder arranged vertically. The upper end of the folding climbing ladder is provided with a bracket slidably connected thereto. The hanging pulley assembly is fixedly connected to the upper end of the bracket, and the load-bearing lock assembly is rotatably connected to the bracket below the hanging pulley assembly. The hanging pulley assembly is installed on the guiding rope or conductor at the outgoing line opening of the tension and traction machine. The temporary anchor outgoing line climbing ladder for a tension and traction field is fixed on the guiding rope or conductor through the hanging pulley assembly and the load-bearing lock assembly, so that the operator can carry out the outgoing line operation through the temporary anchor outgoing line climbing ladder for a tension and traction field, improving safety and construction efficiency.

[0008] Preferably, the hanging pulley assembly includes two pulleys and two connecting rods arranged horizontally outside the two pulleys. The middle parts of the two connecting rods are fixedly connected by a round steel. At the upper end of the bracket on one side of one of the connecting rods, a support rod for supporting the two connecting rods is arranged vertically. The two ends of the two connecting rods are respectively connected to the pulleys through central axis fixing bolts, and the pulleys are rotatably connected to the central axis fixing bolts. The sliding grooves on the pulleys are installed on the guiding ropes or wires at the wire outlet of the tensioner. The pulleys are connected to the bracket through the connecting rods, and the temporary anchor outlet ladder of the tensioning field is installed on the guiding ropes or wires at the wire outlet of the tensioner through the sliding grooves on the pulleys, and the pulleys can be slid to the wire outlet operation position for wire outlet operation.

[0009] Preferably, the load-bearing lock assembly includes two load-bearing lock plates arranged horizontally, a first connecting rod arranged horizontally, and a second connecting rod arranged vertically. The middle parts of the two load-bearing lock plates are respectively rotatably connected to the bracket. The two ends of the first connecting rod are respectively rotatably connected to one end of the load-bearing lock plates. The upper end of the second connecting rod is fixedly connected to the middle part of the first connecting rod. The bracket is slidably connected to the upper end of the folding ladder through the lower end of the second connecting rod. After a person climbs on the folding ladder, due to gravity, the folding ladder moves downward relative to the bracket, so that the load-bearing lock plates rotate on the bracket, and then the hanging pulley assembly is tightly connected to the guiding rope or wire, thereby improving safety.

[0010] Preferably, a connecting piece for enabling the folding ladder to be folded in half is arranged in the middle of the folding ladder, and the folding ladder can be adjusted according to the working height, so that the temporary anchor outlet ladder of the tensioning field can adapt to more working scenarios.

[0011] Preferably, the lower end of the second connecting rod penetrates through the bottom of the bracket and is hinged to the upper end of the folding ladder. A plug for preventing the folding ladder from rotating is arranged at the lower end of the bracket, and the bracket is rotatably connected to the plug. Through the plug, the folding ladder and the second connecting rod can slide relative to each other without rotating, effectively realizing the control and fixation of the vertical direction of the ladder, and the perpendicularity of the ladder to the ground horizontal plane can also be adjusted according to the elevation angle state of the guiding rope or wire, improving the stability of the temporary anchor outlet ladder of the tensioning field.

[0012] Preferably, a moving ring is arranged on the bracket, and a towing rope is arranged on the moving ring. By manually dragging the towing rope, the temporary anchor outlet ladder of the tensioning field is moved to the corresponding position for operation, and the anchoring control rope is anchored.

[0013] Preferably, a spring is arranged on the second connecting rod above the bottom of the bracket, and the two load-bearing lock plates are reset through the spring.

[0014] Preferably, the width of the slide groove on the pulley is 78 mm, ensuring that the pulley can be installed on conductors with specifications of 1250 and below, thereby achieving versatility in the construction of transmission lines of various voltage levels.

[0015] Preferably, the load-bearing lock assembly also includes two safety hooks arranged in one-to-one correspondence with the pulleys, the lower ends of the safety hooks are rotatably connected to the upper ends of the brackets located on one side of the other connecting rod, and the upper ends of the safety hooks are clamped with one end of the central axis fixing bolt located on the outside of the other connecting rod, and the support rod and one side of the pulley are closed to prevent the guide rope or wire from slipping from this side of the pulley. By providing a rotatable safety hook, the other side of the pulley is also closed to prevent the guide rope or wire from slipping from the other side of the pulley, thereby improving the stability of the temporary anchor line ladder in the tensioning field.

[0016] It can be seen from the above technical solution that the utility model provides a temporary anchoring line ladder for tensioning field, and its beneficial effects compared with the prior art are:

[0017] The utility model realizes the movement of the temporary anchor wire ladder along the tensioning field by rolling the hanging pulley assembly, and fastens the temporary anchor wire ladder to the guide rope or wire through the gravity lever action of the folding ladder and the load-bearing lock assembly. The temporary anchor wire ladder can avoid personnel working along the guide rope or wire, reduce labor intensity, and improve the installation efficiency and construction efficiency of the wire clamp. At the same time, the temporary anchor wire ladder has the advantages of reliable connection and strong protection, which protects personnel working at high altitudes and prevents the risk of falling, and has far-reaching comprehensive significance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view of a temporary anchoring line ladder for tensioning field according to Embodiment 1 of the utility model.

[0019] Figure 2 It is a front view of a temporary anchoring line ladder for tensioning field according to Embodiment 2 of the utility model.

[0020] Figure 3 It is a front view of a temporary anchoring line ladder for tensioning field according to Embodiment 3 of the present utility model.

[0021] In the figure: 1-hook pulley assembly, 11-connecting rod, 12-pulley, 13-safety hook, 2-load-bearing lock assembly, 21-load-bearing lock plate, 22-first connecting rod, 23-second connecting rod, 3-latch, 4-movable ring, 5-spring, 6-folding ladder, 7-bracket. DETAILED DESCRIPTION

[0022] The technical scheme and technical effects of the embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings of the present invention. Example 1

[0023] Please refer to Figure 1 , the present utility model provides a climbing ladder for the temporary anchor outlet of the tension field, which includes a hanging pulley assembly 1, a load-bearing lock assembly 2, and a folding ladder 6 arranged vertically. A bracket 7 slidably connected to the upper end of the folding ladder 6 is provided at the upper end of the folding ladder 6. The hanging pulley assembly 1 is fixedly connected to the upper end of the bracket 7, and the load-bearing lock assembly 2 is rotatably connected to the bracket 7 below the hanging pulley assembly 1. The hanging pulley assembly 1 is installed on the guiding rope or wire at the outlet of the tension machine;

[0024] The hanging pulley assembly 1 includes two pulleys 12 and two connecting rods 11 arranged horizontally and on the outer sides of the two pulleys 12. The middle parts of the two connecting rods 11 are fixedly connected by a round steel. A support rod for supporting the two connecting rods 11 is provided vertically at the upper end of the bracket 7 on one side of one of the connecting rods 11. The two ends of the two connecting rods 11 are respectively connected to the pulley 12 through a central axis fixing bolt, and the pulley 12 is rotatably connected to the central axis fixing bolt. The chute on the pulley 12 is installed on the guiding rope or wire at the outlet of the tension machine;

[0025] The load-bearing lock assembly 2 includes two load-bearing lock pieces 21 arranged horizontally, a first connecting rod 22 arranged horizontally, and a second connecting rod 23 arranged vertically. The middle parts of the two load-bearing lock pieces 21 are respectively rotatably connected to the bracket 7. The two ends of the first connecting rod 22 are respectively rotatably connected to one end of the load-bearing lock piece 21. The upper end of the second connecting rod 23 is fixedly connected to the middle part of the first connecting rod 22. The bracket 7 is slidably connected to the upper end of the folding ladder 6 through the lower end of the second connecting rod 23;

[0026] A connecting piece for enabling the folding ladder 6 to be folded in half is provided in the middle of the folding ladder 6. The connecting piece is composed of an upper connecting piece and a lower connecting piece. The upper connecting piece is connected to the upper half of the folding ladder 6, and the lower connecting piece is connected to the lower half of the folding ladder 6. The upper connecting piece and the lower connecting piece are rotatably connected;

[0027] A moving ring 4 is provided on the bracket 7, and a towing rope is provided on the moving ring 4;

[0028] The lower end of the second connecting rod 23 penetrates through the bottom of the bracket 7 and is hinged to the upper end of the folding ladder 6. A pin 3 for preventing the second connecting rod 23 from rotating is provided at the lower end of the bracket 7. The bracket 7 is rotatably connected to the pin 3. The pin 3 is provided with an external thread, and a threaded hole is provided on the bracket 7. By rotating the pin 3, the pin 3 can be moved to contact the second connecting rod 23, and the verticality of the folding ladder 6 can also be locked through the pin 3, so that the folding ladder 6 is perpendicular to the ground horizontal plane, which is convenient for personnel to climb and ensures stability;

[0029] The use process of the present utility model is as follows:

[0030] During the tension stringing construction, when replacing the lead rope reel or crimping the conductor, the operator hangs the temporary anchor outgoing line ladder of the tensioning yard on the lead rope or conductor being unreeled at the outlet of the tensioning equipment through the pulley 12. By manually dragging the traction rope connected to the moving ring 4, the folding ladder 6 is moved to the corresponding position for the outgoing line operation, and the traction rope is anchored to ensure the position of the folding ladder 6. After the operator correctly wears personal protective equipment, the safety rope is connected to the folding ladder 6 for climbing operation. When the personnel climb through the folding ladder 6, due to the gravity of the personnel, the load-bearing lock assembly 2 causes the second connecting rod 23 to move downward, pulling the first connecting rod 22, making the load-bearing lock piece 21 rotate around the bracket under force. The upper end of the load-bearing lock piece 21 moves upward to contact the lead rope or conductor, making the temporary anchor outgoing line ladder of the tensioning yard tightly connected to the lead rope or conductor. After climbing to the corresponding height, the wire clamping device is hung, and the wire clamping device is pushed along the outgoing line direction to connect the guy wire, thus realizing the anchoring function of the lead rope and the conductor. Embodiment 2

[0031] Basically the same as Embodiment 1, the difference is that, as Figure 2 shown, a spring 5 is provided on the second connecting rod 23 above the bottom of the bracket 7; when the personnel perform the operation, the second connecting rod 23 moves downward, causing the spring 5 to be compressed at the bottom of the bracket 7. When the personnel complete the outgoing line operation and are not on the folding ladder 6, the spring 5 rebounds to drive the second connecting rod 23 to move upward, causing the load-bearing lock piece 21 to reset and no longer clamp the lead rope or conductor, facilitating the removal of the temporary anchor outgoing line ladder of the tensioning yard from the lead rope or conductor. Embodiment 3

[0032] Basically the same as Embodiment 1, the difference is that the width of the chute on the pulley 12 is 78 mm, ensuring that the pulley 12 can be installed on conductors with a specification of 1250 and below. Embodiment 4

[0033] Basically the same as Embodiment 1, the difference is that, as Figure 3 shown, the load-bearing lock assembly 2 further includes two safety hooks 13 provided corresponding to the pulleys 12 one by one. The lower end of the safety hook 13 is rotatably connected to the upper end of the bracket 7 on one side of another connecting rod 11, and the upper end of the safety hook 13 is clamped to one end of the central axis fixing bolt outside another connecting rod 11;

[0034] The support rod forms a closed loop with one side of the pulley 12, and the other side of the pulley 12 is open. The pulley 12 is placed on the lead rope or conductor unreeled from the open side, and then the safety hook 13 is rotated so that the upper end of the safety hook 13 is clamped to one end of the central axis fixing bolt on the open side, making the safety hook 13 also form a closed loop with the other side of the pulley 12, preventing the lead rope or conductor from slipping off the pulley 12 during the personnel operation.

[0035] The above-disclosed is only the preferred embodiment of the present utility model. Of course, it cannot be used to limit the scope of rights of the present utility model. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present utility model still fall within the scope covered by the utility model.

Claims

1. A temporary anchoring ladder for tensioning field, characterized in that: The invention comprises a hanging pulley assembly (1), a load-bearing lock assembly (2), and a folding ladder (6) arranged in a vertical direction, wherein the upper end of the folding ladder (6) is provided with a bracket (7) slidably connected thereto, the hanging pulley assembly (1) is fixedly connected to the upper end of the bracket (7), the load-bearing lock assembly (2) is rotatably connected to the bracket (7) located below the hanging pulley assembly (1), and the hanging pulley assembly (1) is mounted on a guide rope or a conductor at a wire outlet of a tensioning machine.

2. A tensioning field anchoring ladder as claimed in claim 1, characterized in that: The hanging pulley assembly (1) comprises two pulleys (12) and two connecting rods (11) arranged in a horizontal direction and outside the two pulleys (12); the middle parts of the two connecting rods (11) are fixedly connected by round steel; the upper end of the bracket (7) located on one side of one of the connecting rods (11) is provided with a support rod for supporting the two connecting rods (11) in a vertical direction; the two ends of the two connecting rods (11) are respectively connected to the pulley (12) by a central axis fixing bolt; the pulley (12) is rotatably connected to the central axis fixing bolt; and the slide groove on the pulley (12) is installed on the guide rope or conductor of the tensioning machine outlet.

3. A tensioning field temporary anchoring line ladder as claimed in claim 1, characterized in that: The load-bearing lock assembly (2) comprises two load-bearing lock plates (21) arranged in the horizontal direction, a first connecting rod (22) arranged in the horizontal direction, and a second connecting rod (23) arranged in the vertical direction. The middle parts of the two load-bearing lock plates (21) are respectively rotatably connected to the bracket (7), the two ends of the first connecting rod (22) are respectively rotatably connected to one end of the load-bearing lock plates (21), the upper end of the second connecting rod (23) is fixedly connected to the middle part of the first connecting rod (22), and the bracket (7) is slidably connected to the upper end of the folding ladder (6) through the lower end of the second connecting rod (23).

4. A tensioning field temporary anchoring line ladder as claimed in claim 1, characterized in that: A connecting piece is provided in the middle of the folding ladder (6) so that the folding ladder (6) can be folded in half.

5. A tensioning field temporary anchoring line ladder as claimed in claim 3, characterized in that: The lower end of the second connecting rod (23) passes through the bottom of the bracket (7) and is hinged to the upper end of the folding ladder (6). The lower end of the bracket (7) is provided with a latch (3) for preventing the folding ladder (6) from rotating. The bracket (7) is rotatably connected to the latch (3).

6. A tensioning field temporary anchoring ladder as claimed in claim 1, characterized in that: A moving ring (4) is provided on the bracket (7), and a traction rope is provided on the moving ring (4).

7. A tensioning field temporary anchoring line ladder as claimed in claim 1, characterized in that: A spring (5) is provided on the second connecting rod (23) located above the bottom of the bracket (7).

8. A tensioning field temporary anchoring line ladder as claimed in claim 2, characterized in that: The width of the slide groove on the pulley (12) is 78 mm.

9. A tensioning field temporary anchoring line ladder as claimed in claim 2, characterized in that: The load-bearing lock assembly (2) further comprises two safety hooks (13) arranged one-to-one in correspondence with the pulleys (12), the lower ends of the safety hooks (13) being rotatably connected to the upper ends of the brackets (7) located on one side of the other connecting rod (11), and the upper ends of the safety hooks (13) being clamped to one end of a central axis fixing bolt located on the outside of the other connecting rod (11).

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