Electric hoisting device for electrified installation of micro power distribution switch

Abstract

The invention discloses an electric hoisting device for electrified installation of a micro power distribution switch, which comprises a supporting cross beam, a hand-cranking winch frame, a manual winch, a hand-cranking handle, a remote control electric winch frame, an electric drive winch and a limiting block, and is characterized in that the supporting cross beam is fixedly connected with a first mounting seat and a second mounting seat respectively; the bottom of the second mounting seat is fixedly connected with a first fixed hanging ring and a hand-cranking capstan frame, and a manual capstan is arranged in the hand-cranking capstan frame; according to the device, the limiting rod is rotated around the rotating shaft, the limiting rod is clamped into the groove of the second bottom hook and fixed through the pin shaft, the second movable hanging ring cannot be unhooked in strenuous vibration, and potential safety hazards are eliminated; when stopping is needed in the midway, the sliding rod is pressed and then rotated to move the limiting block out of the limiting groove of the fixing disc, finally the sliding rod is pulled upwards, the clamping block which is not limited by the sliding rod pops up under the action of the first spring to clamp the hand crank, stopping can be carried out in the midway, and dealing with sudden accidents is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of electric hoisting, and particularly to an electric hoisting device for live installation of a micro power distribution switch. Background Art

[0002] The use of an electric hoisting device for live installation of a micro power distribution switch can not only significantly improve the safety and accuracy of operation, but also effectively improve work efficiency and reduce the impact on normal power supply; the electric hoisting device can achieve precise control of the hoisting process through an electronic control system, ensuring the safety and accuracy of the hoisting operation; the highly automated electric hoisting device can quickly and accurately complete the hoisting task, reducing the time of manual operation and improving the efficiency of the entire live installation work; different specifications and configurations of electric hoisting devices can be selected according to different installation requirements to meet the requirements under various complex working conditions; however, the commonly used electric hoisting devices for live installation of micro power distribution switches on the market at present have relatively large defects: firstly, the locking hook may unhook during severe vibration, posing a safety hazard; secondly, the manual wheel cannot stop midway, which is inconvenient to use; therefore, it is very necessary to design an electric hoisting device for live installation of a micro power distribution switch. Summary of the Invention

[0003] The purpose of the present invention is to provide an electric hoisting device for live installation of a micro power distribution switch to solve the problems raised in the above background art.

[0004] To achieve the above object, the present invention provides the following technical solutions: An electric hoisting device for live installation of a micro power distribution switch, comprising a support cross beam, a manual winch frame, a manual winch, a hand crank, a remote control electric winch frame, an electric drive winch, a fixed disk, a sliding rod, a clamping block, a limiting rod, a rotating shaft and a limiting block. The support cross beam is fixedly connected with a first mounting seat and a second mounting seat respectively. The bottom of the second mounting seat is fixedly connected with a first fixed hanging ring and a manual winch frame. A manual winch is arranged inside the manual winch frame. The support cross beam is arranged in a box body, and the box body is fixedly connected to a load-bearing device. The load-bearing device is slidably connected to a cross arm, and the cross arm is fixedly connected to a utility pole. A fixed electric winch frame and a manual winch frame are fixedly connected to the utility pole respectively. A fixed disk is fixedly connected to the manual winch frame. One end of a first spring is fixedly connected to a groove formed inside the fixed disk, and the other end of the first spring is fixedly connected to a clamping block. One end of a second spring is fixedly connected to a groove formed inside the fixed disk, and the other end of the second spring is closely attached to a limiting block. The limiting block is fixedly connected to the sliding rod. A hand crank is fixedly connected to the manual winch frame. A first winch rope is arranged on the manual winch, and the first winch rope is connected to a first bottom hook. A first movable hanging ring is arranged on the first bottom hook, and one end of a first nylon rope is fixedly connected to the first movable hanging ring. The other end of the first nylon rope is fixedly connected to a first movable frame. A first clamp and a second clamp are fixedly connected to the support cross beam, and an induction identifier is fixedly connected to the box body.

[0005] As a further technical solution of the present invention, a limiting block and a clamping block are slidably connected to a groove formed inside the fixed disk. A sliding rod is clamped in a groove formed on the clamping block, and the sliding rod is rotatably connected to a hole formed inside the fixed disk.

[0006] As a further technical solution of the present invention, a first movable pulley and a second movable pulley are rotatably connected to the first movable frame. The first movable pulley and the second movable pulley are closely attached to the first nylon rope. The first nylon rope is closely attached to a first fixed pulley and a second fixed pulley. The first fixed pulley and the second fixed pulley are rotatably connected to a first fixed frame, and the first fixed frame is fixedly connected to a first fixed hook. The first fixed hook is arranged on the first fixed hanging ring.

[0007] As a further technical solution of the present invention, the left side of the manual winch penetrates through the inside of the left side of the manual winch frame and is fixed with a turntable. Lock holes are respectively formed inside the top end of the left side of the turntable and the top end of the left side of the manual winch frame, and a lock rod is threadedly rotated and connected to the inside of the lock hole.

[0008] As a further technical solution of the present invention, a second fixed hanging ring and a remote control electric winch frame are fixedly connected to the bottom of the first mounting seat. An electric drive winch is arranged on the remote control electric winch frame. A second winch rope is arranged on the electric drive winch, and the second winch rope is wound around the fixed electric winch frame. A special induction sheet is arranged on the second winch rope.

[0009] As a further technical solution of the present invention, the second rope is fixedly connected to the second bottom hook, the second bottom hook is fixedly connected to a fixed block, the fixed block is rotatably connected to a rotating shaft, the rotating shaft is fixedly connected to a limiting rod, and a pin is clamped in the through hole opened in the limiting rod.

[0010] As a further technical solution of the present invention, a second movable hanging ring is sleeved on the second bottom hook, one end of a second nylon rope is fixedly connected to the second movable hanging ring, and the other end of the second nylon rope is fixedly connected to the second movable frame.

[0011] As a further technical solution of the present invention, the second movable frame is rotatably connected to a third movable pulley and a fourth movable pulley, the third movable pulley and the fourth movable pulley are closely attached to the second nylon rope, and the second movable frame is fixedly connected to a hook.

[0012] As a further technical solution of the present invention, a second fixed hook is sleeved on the second fixed hanging ring, the second fixed hook is fixedly connected to the second fixed frame, and the third fixed pulley and the fourth fixed pulley are rotatably connected to the second fixed frame.

[0013] As a further technical solution of the present invention, the third fixed pulley and the fourth fixed pulley are in close contact with the second nylon rope.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the electric lifting device for the live installation of a micro distribution switch is covered with insulating material through the box body, and the induction identifier can sense the special induction sheet, thereby limiting the length of the second rope passing through, thereby achieving the limiting effect, and by rotating the limiting rod 43 around the rotating shaft 46, the limiting rod 43 is clamped into the groove of the second bottom hook 33, and fixed with a pin shaft 44, the second movable hanging ring 32 will not be unhooked during severe vibration, eliminating safety hazards; the fixed electric winch frame pulls the second rope, thereby driving the electric drive winch 36 to rotate, pulling the second bottom hook 33 upward, and then driving the second movable frame 29 and the lifting rope through the third fixed pulley 24, the fourth fixed pulley 26, the third movable pulley 28 and the fourth movable pulley 30. The hook 31 moves upward to achieve the purpose of hoisting, which can be remotely controlled and does not require manual pulling; the hand crank 10 is turned to drive the manual winch 9 to rotate, pulling the first rope 11, and then pulling the first bottom hook 12 upward, and then the first movable frame 16 is stretched upward through the first nylon rope 14, the first movable pulley 15, the second movable pulley 17, the first fixed pulley 19 and the second fixed pulley 20 to complete the manual pulling and hoisting. When it is necessary to stop halfway, the sliding rod 41 is pressed and then rotated to move the limiting block 47 out of the limiting groove of the fixed plate 40, and finally the sliding rod 41 is pulled upward. The clamping block 42 that loses the restriction of the sliding rod 41 pops out under the action of the first spring 2 and clamps the hand crank 10, which can stop halfway, which is beneficial for dealing with emergencies. Brief Description of the Drawings

[0015] Figure 1 is a schematic diagram of the overall structure of the present invention

[0016] Figure 2 is a partial cross-sectional view of the present invention;

[0017] Figure 3 is Figure 2 a partial enlarged view of area A in

[0018] Figure 4 is a top view of the overall structure of the present invention;

[0019] Figure 5 is a three-dimensional schematic diagram of the fixed disk of the present invention;

[0020] Figure 6 is a three-dimensional schematic diagram of the limiting rod of the present invention;

[0021] Figure 7 is a partial cross-sectional view of the sliding rod of the present invention;

[0022] Figure 8 is a three-dimensional schematic diagram of the limiting block of the present invention.

[0023] In the figure: 1, support crossbeam; 2, first spring; 3, first mounting seat; 4, second mounting seat; 5, first fixed hanging ring; 6, hand winch frame; 7, first clamp; 8, second clamp; 9, manual winch; 10, hand crank; 11, first winch rope; 12, first bottom hook; 13, first movable hanging ring; 14, first nylon rope; 15, first movable pulley; 16, first movable frame; 17, second movable pulley; 18, first fixed frame; 19, first fixed pulley; 20, second fixed pulley; 21, first fixed hook; 22, second fixed hanging ring; 23, second fixed hook; 24, third fixed pulley; 25, second fixed frame; 26, fourth fixed pulley; 27, second nylon rope; 28, third movable pulley; 29, second movable frame; 30, fourth movable pulley; 31, hook; 32, second movable hanging ring; 33, second bottom hook; 34, remote control electric winch frame; 35, second winch rope; 36, electric drive winch; 37, turntable; 38, lock hole; 39, lock rod; 40, fixed disk; 41, sliding rod; 42, clamping block; 43, limiting rod; 44, pin shaft; 45, fixed block; 46, rotating shaft; 47, limiting block; 48, second spring; 49, special induction sheet; 50, fixed electric winch frame; 51, manual winch frame; 52, electric pole; 53, cross arm; 54, load-bearing device; 55, box body; 56, induction identifier. Detailed Description of the Invention

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to the attached Figure 1 - attached Figure 8, an embodiment provided by the present invention: an electric hoisting device for live installation of a micro power distribution switch, comprising a support cross beam 1, a manual winch frame 6, a manual winch 9, a hand crank 10, a remote control electric winch frame 34, an electric winch 36, a fixed disk 40, a sliding rod 41, a clamping block 42, a limiting rod 43, a rotating shaft 46 and a limiting block 47. The support cross beam 1 is fixedly connected with a first mounting seat 3 and a second mounting seat 4 respectively. The bottom of the second mounting seat 4 is fixedly connected with a first fixed hanging ring 5 and a manual winch frame 6. The manual winch 9 is arranged inside the manual winch frame 6. The support cross beam 1 is arranged in a box body 55, and the box body 55 is fixedly connected to a load-bearing device 54. The load-bearing device 54 is slidably connected to a cross arm 53, and the cross arm 53 is fixedly connected to a utility pole 52. A fixed electric winch frame 50 and a manual winch frame 51 are fixedly connected to the utility pole 52 respectively. A fixed disk 40 is fixedly connected to the manual winch frame 51. One end of a first spring 2 is fixedly connected to a groove formed inside the fixed disk 40, and the other end of the first spring 2 is fixedly connected to the clamping block 42. One end of a second spring 48 is fixedly connected to a groove formed inside the fixed disk 40, and the other end of the second spring 48 is closely attached to the limiting block 47. The limiting block 47 is fixedly connected to the sliding rod 41. A hand crank 10 is fixedly connected to the manual winch frame 51. A first winch rope 11 is arranged on the manual winch 9. The first winch rope 11 is connected to a first bottom hook 12. A first movable hanging ring 13 is arranged on the first bottom hook 12. One end of a first nylon rope 14 is fixedly connected to the first movable hanging ring 13, and the other end of the first nylon rope 14 is fixedly connected to a first movable frame 16. A first clamp 7 and a second clamp 8 are fixedly connected to the support cross beam 1. An induction identifier 56 is fixedly connected to the box body 55. The limiting block 47 and the clamping block 42 are slidably connected to a groove formed inside the fixed disk 40. The sliding rod 41 is clamped in a groove formed on the clamping block 42, and the sliding rod 41 is rotatably connected to a hole formed inside the fixed disk 40. A first movable pulley 15 and a second movable pulley 17 are rotatably connected to the first movable frame 16. The first movable pulley 15 and the second movable pulley 17 are closely attached to the first nylon rope 14. The first nylon rope 14 is closely attached to a first fixed pulley 19 and a second fixed pulley 20. The first fixed pulley 19 and the second fixed pulley 20 are rotatably connected to a first fixed frame 18, and the first fixed frame 18 is fixedly connected to a first fixed hook 21. The first fixed hook 21 is arranged on the first fixed hanging ring 5. The left side of the manual winch 9 penetrates through the left side inside the manual winch frame 6 and is fixed with a turntable 37. Lock holes 38 are respectively formed inside the left top end of the turntable 37 and the left top end of the manual winch frame 6, and a lock rod 39 is in threaded rotation connection inside the lock holes 38. The lock holes 38 and the lock rod 39 are used for locking the manual winch frame 6;The bottom of the first mounting seat 3 is fixedly connected to a second fixed hanging ring 22 and a remote control electric winch frame 34, and the remote control electric winch frame 34 is provided with an electric drive winch 36, and the electric drive winch 36 is provided with a second rope 35, and the second rope 35 is wound on the fixed electric winch frame 50, and a special sensor sheet 49 is provided on the second rope 35; the second rope 35 is fixedly connected to the second bottom hook 33, and the second bottom hook 33 is fixedly connected to a fixed block 45, and the fixed block 45 is rotatably connected to a rotating shaft 46, and the rotating shaft 46 is fixedly connected to a limiting rod 43, and a pin 44 is clamped in the through hole provided in the limiting rod 43, and the pin 44 is used to clamp the limiting rod 43; the second bottom hook 33 is sleeved with a second movable The second movable hanging ring 32 is fixedly connected to one end of the second nylon rope 27, and the other end of the second nylon rope 27 is fixedly connected to the second movable frame 29. The third movable pulley 28 and the fourth movable pulley 30 are rotatably connected to the second movable frame 29, and the third and fourth movable pulleys 28 and 30 are closely attached to the second nylon rope 27. The second movable frame 29 is fixedly connected to a hook 31. The second fixed hanging ring 22 is sleeved with a second fixed hook 23, and the second fixed hook 23 is fixedly connected to the second fixed frame 25. The third and fourth fixed pulleys 24 and 26 are rotatably connected to the second fixed frame 25. The third and fourth fixed pulleys 24 and 26 are closely attached to the second nylon rope 27.

[0026] Working principle: When in use, the box body 55 is covered with insulating material to prevent electric shock. The induction identifier 56 can sense the special induction sheet 49, thereby limiting the length of the second rope 35 passing through, achieving the limiting effect. By rotating the limiting rod 43 around the rotating shaft 46, the limiting rod 43 is clamped into the groove of the second bottom hook 33, and fixed with the pin 44. The second movable hanging ring 32 will not be unhooked during severe vibration, eliminating safety hazards; the fixed electric winch frame 50 pulls the second rope 35, thereby driving the electric winch 36 to rotate, pulling the second bottom hook 33 upward, and then driving the second movable frame 29 and the hook 31 to move upward through the third fixed pulley 24, the fourth fixed pulley 26, the third movable pulley 28 and the fourth movable pulley 30. To achieve the purpose of lifting, it can be remotely controlled without manual pulling; turn the hand crank 10, thereby driving the manual winch 9 to rotate, pulling the first rope 11, and then pulling the first bottom hook 12 upward, and then through the first nylon rope 14, the first movable pulley 15, the second movable pulley 17, the first fixed pulley 19 and the second fixed pulley 20 to stretch the first movable frame 16 upward to complete the manual pulling lifting. When it is necessary to stop halfway, press the sliding rod 41 and then rotate the sliding rod 41 to move the limiting block 47 out of the limiting groove of the fixed plate 40, and finally pull the sliding rod 41 upward. The clamping block 42 that loses the restriction of the sliding rod 41 pops out under the action of the first spring 2 and clamps the hand crank 10, which can stop halfway, which is beneficial for dealing with emergencies.

[0027] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claimed invention.

Claims

1. An electric hoisting device for live installation of a micro power distribution switch, comprising a support cross beam (1), a hand winch frame (6), a manual winch (9), a hand crank (10), a remote control electric winch frame (34), an electric drive winch (36), a fixed disk (40), a sliding rod (41), a clamping block (42), a limiting rod (43), a rotating shaft (46) and a limiting block (47), characterized in that: A first mounting seat (3) and a second mounting seat (4) are respectively and fixedly connected to the support crossbeam (1). A first fixed hanging ring (5) and a manual winch frame (6) are fixedly connected to the bottom of the second mounting seat (4). A manual winch (9) is arranged inside the manual winch frame (6). The support crossbeam (1) is arranged in a box body (55), and the box body (55) is fixedly connected to a load-bearing device (54). The load-bearing device (54) is slidably connected to a cross arm (53), and the cross arm (53) is fixedly connected to a telegraph pole (52). A fixed electric winch frame (50) and a manual winch frame (51) are respectively and fixedly connected to the telegraph pole (52). A fixed disk (40) is fixedly connected to the manual winch frame (51). One end of a first spring (2) is fixedly connected to a groove formed inside the fixed disk (40), and the other end of the first spring (2) is fixedly connected to a clamping block (42). One end of a second spring (48) is fixedly connected to a groove formed inside the fixed disk (40), and the other end of the second spring (48) is closely attached to a limiting block (47). The limiting block (47) is fixedly connected to a sliding rod (41). A hand crank (10) is fixedly connected to the manual winch frame (51). A first winch rope (11) is arranged on the manual winch (9). The first winch rope (11) is connected to a first bottom hook (12). A first movable hanging ring (13) is arranged on the first bottom hook (12). One end of a first nylon rope (14) is fixedly connected to the first movable hanging ring (13), and the other end of the first nylon rope (14) is fixedly connected to a first movable frame (16). A first clamp (7) and a second clamp (8) are fixedly connected to the support crossbeam (1). An induction identifier (56) is fixedly connected to the box body (55).

2. The electric hoisting device for live installation of the micro power distribution switch according to claim 1, characterized in that: A limiting block (47) and a clamping block (42) are slidably connected to a groove formed inside the fixed disk (40). A sliding rod (41) is clamped in a groove formed on the clamping block (42), and the sliding rod (41) is rotatably connected to a hole formed inside the fixed disk (40).

3. The electric hoisting device for live installation of the micro power distribution switch according to claim 1, characterized in that: A first movable pulley (15) and a second movable pulley (17) are rotatably connected to the first movable frame (16). The first movable pulley (15) and the second movable pulley (17) are closely attached to the first nylon rope (14). The first nylon rope (14) is closely attached to a first fixed pulley (19) and a second fixed pulley (20). The first fixed pulley (19) and the second fixed pulley (20) are rotatably connected to a first fixed frame (18), and the first fixed frame (18) is fixedly connected to a first fixed hook (21). The first fixed hook (21) is arranged on the first fixed hanging ring (5).

4. The electric hoisting device for live installation of the micro power distribution switch according to claim 1, characterized in that: The left side of the manual winch (9) penetrates through the inside of the left side of the manual winch frame (6) and is fixed with a turntable (37). Lock holes (38) are respectively formed inside the top end of the left side of the turntable (37) and the top end of the left side of the manual winch frame (6), and a lock rod (39) is in threaded rotation connection with the inside of the lock hole (38).

5. The electric hoisting device for live installation of a micro power distribution switch according to claim 1, characterized in that: The bottom of the first mounting seat (3) is fixedly connected with a second fixed hanging ring (22) and a remote control electric winch frame (34). An electric winch (36) is arranged on the remote control electric winch frame (34). A second winch rope (35) is arranged on the electric winch (36). The second winch rope (35) is wound around a fixed electric winch frame (50). A special induction sheet (49) is arranged on the second winch rope (35).

6. The electric hoisting device for live installation of a micro power distribution switch according to claim 5, characterized in that: The second winch rope (35) is fixedly connected to a second bottom hook (33). A fixed block (45) is fixedly connected to the second bottom hook (33). A rotating shaft (46) is rotatably connected to the fixed block (45). A limiting rod (43) is fixedly connected to the rotating shaft (46). A pin shaft (44) is clamped in a through hole formed in the limiting rod (43).

7. An electric hoisting device for live installation of a micro power distribution switch according to claim 6, characterized in that: A second movable hanging ring (32) is sleeved on the second bottom hook (33). One end of a second nylon rope (27) is fixedly connected to the second movable hanging ring (32). The other end of the second nylon rope (27) is fixedly connected to a second movable frame (29).

8. An electric hoisting device for live installation of a micro power distribution switch according to claim 7, characterized in that: A third movable pulley (28) and a fourth movable pulley (30) are rotatably connected to the second movable frame (29). The third movable pulley (28) and the fourth movable pulley (30) are in close contact with the second nylon rope (27). A hook (31) is fixedly connected to the second movable frame (29).

9. The electric hoisting device for live installation of a micro power distribution switch according to claim 5, characterized in that: A second fixed hook (23) is sleeved on the second fixed hanging ring (22). A second fixed frame (25) is fixedly connected to the second fixed hook (23). A third fixed pulley (24) and a fourth fixed pulley (26) are rotatably connected to the second fixed frame (25).

10. An electric hoisting device for live installation of a micro power distribution switch according to claim 9, characterized in that: The third fixed pulley (24) and the fourth fixed pulley (26) are in close contact with the second nylon rope (27).

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