A drop-out fuse auxiliary installation device

Abstract

The application discloses an auxiliary installation device for a drop-out fuse, which comprises a handle, a fixing ring fixed to the handle is arranged at the lower end of the handle, a fixing rod is arranged on the outer cylindrical surface of the fixing ring, and a connecting mechanism for connecting a connecting ring at the bottom of the fuse is arranged at the outer side of one end of the fixing rod. When the fuse is installed, the connecting ring at the lower end of the fuse is connected through the connecting mechanism, so that the shaking and slipping of the fuse tube can be prevented, the average success rate of installation using the auxiliary device is 100%, and the average operation time is 18s. The success rate of installation is improved, and the operation time is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power facility installation, in particular to an auxiliary installation device for a drop-out fuse. BACKGROUND

[0002] When installing a drop-out fuse, a clamp rod is usually used to install the fuse tube, and the average success rate is 58%, and the average operation time is 42s.

[0003] If the equipment connection is aged or deformed, the success rate of installing the fuse tube with the clamp rod is low; if the operation is performed on the ground, the fuse tube is easy to fall off the top end of the clamp rod if it is not installed in place; if the equipment installation position is high, the installation success rate is also low, and the operation time of the operator on the rod is long. The above situations will all cause the equipment to fall and be damaged, and the fuse in the fallen fuse tube will be broken again; and the high-altitude falling object will form a safety hazard to the ground workers. SUMMARY

[0004] The purpose of the present application is to solve the above problems, and to provide an auxiliary installation device for a drop-out fuse, which can prevent the fuse tube from shaking and slipping off, improve the installation success rate, and reduce the operation time.

[0005] The technical solution adopted by the present application to solve the technical problems is:

[0006] An auxiliary installation device for a drop-out fuse, comprising a handle, a fixed ring fixed to the handle is arranged at the lower end of the handle, a fixed rod is arranged on the outer cylindrical surface of the fixed ring, and a connecting mechanism connected with the connecting ring at the bottom of the fuse is arranged at one end of the outer side of the fixed rod.

[0007] Further, the fixed ring is spliced by two semicircular rings, one end of the two semicircular rings is rotationally connected, and the other end is connected by a bolt.

[0008] Further, the connecting mechanism comprises a slot arranged at one end of the outer side of the fixed rod, a limiting rod rotationally connected with the inner wall of the slot at the middle position in the slot, and a driving rod rotationally connected with the inner wall of the slot at the middle position in the slot, the upper end of the limiting rod is matched with the upper end of the connecting ring, the upper end of the driving rod is movably connected with the lower end of the limiting rod, the lower end of the driving rod is matched with the lower end of the connecting ring, and a first elastic sheet for positioning the rotation angle of the driving rod is arranged in the slot.

[0009] Further, a long hole is arranged at the lower end of the limiting rod, and a driving wheel matched with the long hole is arranged at the upper end of the driving rod.

[0010] Further, the angle of left inclination of the driving rod is greater than the angle of left inclination of the limiting rod.

[0011] Further, the driving rod upper side is provided with a first positioning head, the first positioning head upper end is provided with a first positioning slot, and the first elastic sheet lower end is provided with a first bend matched with the first positioning slot.

[0012] Further, the connecting mechanism comprises limiting supports symmetrically arranged on the upper and lower ends of the connecting ring and limiting slots matched with the limiting support bottoms and arranged on the upper and lower ends of the fixing rod, the limiting support upper side is provided with a second positioning head, the second positioning head upper end is provided with a second positioning slot, the connecting ring upper and lower ends are symmetrically provided with second elastic sheets, and the second elastic sheet lower end is provided with a second bend matched with the second positioning slot.

[0013] Further, the limiting slot left end is provided with an inclined surface.

[0014] Further, the limiting support bottom is provided with a horizontal rod.

[0015] The present application has the following beneficial effects:

[0016] 1. The present application comprises a handle, the handle lower end is provided with a fixing ring fixed on the handle, the fixing ring outer cylindrical surface is provided with a fixing rod, and the fixing rod outer side one end is provided with a connecting mechanism connected with the connecting ring at the bottom of the fuse. When installing the fuse, the connecting mechanism is connected with the connecting ring at the lower end of the fuse, which can prevent the fuse tube from shaking and slipping off, the average success rate of installation using the auxiliary device is 100%, and the average operation time is 18s. The success rate of installation is improved, and the operation time is reduced.

[0017] 2. The connecting mechanism in the present application comprises a slot arranged on the fixing rod outer side one end, a limiting rod arranged in the slot and rotationally connected with the slot inner wall at the middle position, and a driving rod arranged in the slot and rotationally connected with the slot inner wall at the middle position, the limiting rod upper end is matched with the connecting ring upper end, the driving rod upper end is movably connected with the limiting rod lower end, the driving rod lower end is matched with the connecting ring lower end, and the slot is provided with a first elastic sheet for positioning the driving rod rotation angle. When installing the fuse, the fixing rod is deeply inserted into the connecting ring, the connecting ring is in contact with the limiting rod, the limiting rod is counterclockwise rotated, at this time, the connecting ring upper end is located at the limiting rod left end, the connecting ring lower end is located at the driving rod right end, and the first elastic sheet presses the driving rod, so that the connection of the connecting ring is realized. When it is needed to separate the connecting ring, the fixing rod is moved to the right by a small distance, the driving rod is clockwise rotated, the driving rod upper end drives the limiting rod to continue counterclockwise rotation, the first elastic sheet lower end fixes the driving rod, so that the connecting ring and the fixing rod are separated. The operation is simple and convenient, the connection or separation of the connecting rod is realized through the mechanical structure, the cost is low, and the reliability is good. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the technical solutions in the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, those skilled in the art can obtain other drawings according to these drawings without any creative effort.

[0019] Figure 1 Structure schematic diagram of the first embodiment of the present application;

[0020] Figure 2 Structure schematic diagram of the connecting mechanism of the first embodiment of the present application;

[0021] Figure 3 Sectional view of the connecting mechanism of the first embodiment of the present application;

[0022] Figure 4 Sectional view of the connecting mechanism of the second embodiment of the present application;

[0023] Figure 5 Structure schematic diagram of the limiting frame of the second embodiment of the present application.

[0024] In the drawings: handle 1, fixed ring 2, fixed rod 3, connecting ring 4, slotted hole 5, limiting rod 6, driving rod 7, first elastic sheet 8, long hole 9, driving wheel 10, first positioning head 11, first positioning groove 12, first bending 13, limiting frame 14, limiting groove 15, second positioning head 16, second positioning groove 17, second elastic sheet 18, second bending 19, cross rod 20. DETAILED DESCRIPTION

[0025] In order to make the technical solutions in the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, those skilled in the art can obtain other drawings according to these drawings without any creative effort.

[0026] Embodiment one:

[0027] As Figure 1As shown in the figure, an auxiliary installation device for a drop-out fuse includes a handle 1, the upper end of which is connected to the upper end of the fuse, which is not shown in the figure and is easily thought of by those skilled in the art and is not described here, the lower end of the handle 1 is provided with a fixing ring 2 fixed on the handle 1, the outer cylindrical surface of the fixing ring 2 is provided with a fixing rod 3, and the outer side of one end of the fixing rod 3 is provided with a connecting mechanism connected with the connecting ring 4 at the bottom of the fuse. When installing the fuse, the connecting ring 4 at the lower end of the fuse is connected through the connecting mechanism, which can prevent the fuse tube from shaking and slipping off, and the average success rate of installation using the auxiliary device is 100%, and the average operation time is 18s. The success rate of installation is improved, and the operation time is reduced.

[0028] As shown in the figure, Figure 2 The fixing ring 2 is spliced by two semicircular rings, one end of which is rotatably connected, and the other end is connected by a bolt.

[0029] As shown in the figure, Figure 2 And Figure 3 The connecting mechanism includes a slot 5 provided at the outer side of one end of the fixing rod 3, a limiting rod 6 provided in the slot 5 and rotatably connected with the inner wall of the slot 5 at the middle position, and a driving rod 7 provided in the slot 5 and rotatably connected with the inner wall of the slot 5 at the middle position, the upper end of the limiting rod 6 is matched with the upper end of the connecting ring 4, the upper end of the driving rod 7 is movably connected with the lower end of the limiting rod 6, the lower end of the driving rod 7 is matched with the lower end of the connecting ring 4, a first elastic sheet 8 for positioning the rotation angle of the driving rod 7 is arranged in the slot 5, and the limiting rod 6 is arranged above the driving rod 7. When installing the fuse, the fixing rod 3 is deeply inserted into the connecting ring 4, the connecting ring 4 is in contact with the limiting rod 6, the limiting rod 6 is counterclockwise rotated, at this time, the upper end of the connecting ring 4 is located at the left end of the limiting rod 6, the lower end of the connecting ring 4 is located at the right end of the driving rod 7, and the first elastic sheet 8 presses the driving rod 7, so as to realize the connection of the connecting ring 4. When it is needed to separate the connecting ring 4, the fixing rod 3 is moved to the right by a small distance, the driving rod 7 is clockwise rotated, the upper end of the driving rod 7 drives the limiting rod 6 to continue counterclockwise rotating, the lower end of the first elastic sheet 8 fixes the driving rod 7, so as to facilitate the separation of the connecting ring 4 from the fixing rod 3. The operation is simple and convenient, the connection or separation of the connecting rod is realized through the mechanical structure, the cost is low, and the reliability is good.

[0030] The lower end of the limiting rod 6 is provided with a long hole 9, the upper end of the driving rod 7 is provided with a driving wheel 10 matched with the long hole 9, and the limiting rod 6 is rotated under the action of the driving wheel 10 and the long hole 9 when the driving rod 7 is clockwise rotated.

[0031] The angle of leftward inclination of the driving rod 7 is greater than the angle of leftward inclination of the limiting rod 6.

[0032] The driving rod 7 is provided with a first positioning head 11 on the upper side, the first positioning head 11 is provided with a first positioning slot 12 on the upper end, the first elastic sheet 8 is provided with a first bending 13 on the lower end, the first bending 13 is matched with the first positioning slot 12, when the driving rod 7 rotates clockwise, the first bending 13 is clamped into the first positioning slot 12, so as to fix the rotating angle of the driving rod 7.

[0033] Embodiment two:

[0034] As shown in Figure 2 and Figure 3 The connecting mechanism comprises a limiting frame 14 symmetrically arranged on the upper and lower ends of the connecting ring 4 and a limiting slot 15 arranged on the upper and lower ends of the fixed rod 3 and matched with the bottom of the limiting frame 14, the limiting frame 14 is provided with a second positioning head 16 on the upper side, the second positioning head 16 is provided with a second positioning slot 17 on the upper end, the connecting ring 4 is symmetrically provided with a second elastic sheet 18 on the upper and lower ends, the second elastic sheet 18 is provided with a second bending 19 on the lower end, the second bending 19 is matched with the second positioning slot 17. When installing the fuse, the fixed rod 3 is deeply arranged into the connecting ring 4, the lower end of the limiting frame 14 is matched with the limiting slot 15, the second elastic sheet 18 presses the limiting frame 14, so as to connect the connecting ring 4. When the connecting ring 4 is separated, the fixed rod 3 is pushed to the right for a distance, the limiting frame 14 is opened, the second bending 19 is matched with the second positioning slot 17, so as to separate the lower end of the limiting frame 14 from the limiting slot 15, when the fixed rod 3 is separated from the connecting ring 4, the limiting frame 14 cannot be locked with the limiting slot 15, so as to facilitate the separation of the connecting ring 4 from the fixed rod 3.

[0035] The left end of the limiting slot 15 is provided with an inclined surface, when the fixed rod 3 moves to the right, the lower end of the limiting frame 14 cannot be locked under the action of the inclined surface, the limiting frame 14 can be opened and separated from the limiting slot 15.

[0036] The bottom of the limiting frame 14 is provided with a horizontal rod 20.

[0037] In the description of the present application, it should be noted that the terms "left", "right", "upper", "lower" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0038] In the description of the application, it should be noted that unless specifically stated and limited otherwise, the terms "mounting", "connection", "connecting" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For those skilled in the art, the specific meanings of the above terms in the application can be understood according to specific circumstances.

Claims

1. A drop-out fuse auxiliary installation device, comprising a handle (1), characterized in that: The lower end of the handle (1) is provided with a fixing ring (2) fixed to the handle (1), the outer cylindrical surface of the fixing ring (2) is provided with a fixing rod (3), and one outer end of the fixing rod (3) is provided with a connecting mechanism connected to a connecting ring (4) at the bottom of the fuse; The connecting mechanism comprises a slot (5) provided at one end of the outer side of the fixing rod (3), a limiting rod (6) provided in the slot (5) and rotatably connected to the inner wall of the slot (5) at a middle position, and a driving rod (7) provided in the slot (5) and rotatably connected to the inner wall of the slot (5) at a middle position, wherein the upper end of the limiting rod (6) is matched with the upper end of the connecting ring (4), the upper end of the driving rod (7) is movably connected to the lower end of the limiting rod (6), and the lower end of the driving rod (7) is matched with the lower end of the connecting ring (4), and a first elastic piece (8) for positioning the rotation angle of the driving rod (7) is provided in the slot (5).

2. The auxiliary installation device for a drop-out fuse according to claim 1, characterized in that: The fixing ring (2) is formed by splicing two semicircular rings, one end of the two semicircular rings is rotatably connected, and the other end is connected by bolts.

3. The auxiliary installation device for a drop-out fuse according to claim 2, characterized in that: The lower end of the limiting rod (6) is provided with a long hole (9), and the upper end of the driving rod (7) is provided with a driving wheel (10) that matches the long hole (9).

4. The auxiliary installation device for a drop-out fuse according to claim 2, characterized in that: The leftward tilt angle of the driving rod (7) is greater than the leftward tilt angle of the limiting rod (6).

5. The auxiliary installation device for a drop-out fuse according to claim 2, characterized in that: A first positioning head (11) is provided on the upper side of the driving rod (7), a first positioning groove (12) is provided on the upper end of the first positioning head (11), and a first bend (13) that cooperates with the first positioning groove (12) is provided on the lower end of the first elastic piece (8).

6. The auxiliary installation device for a drop-out fuse according to claim 1, characterized in that: The connecting mechanism comprises a limiting frame (14) symmetrically arranged at the upper and lower ends of the connecting ring (4) and a limiting groove (15) arranged at the upper and lower ends of the fixing rod (3) and matched with the bottom of the limiting frame (14); a second positioning head (16) is provided on the upper side of the limiting frame (14); a second positioning groove (17) is provided at the upper end of the second positioning head (16); a second elastic sheet (18) is symmetrically provided at the upper and lower ends of the connecting ring (4); a second bend (19) is provided at the lower end of the second elastic sheet (18) and matched with the second positioning groove (17).

7. The auxiliary installation device for a drop-out fuse according to claim 6, characterized in that: The left end of the limiting groove (15) is provided with an inclined surface.

8. The auxiliary installation device for a drop-out fuse according to claim 6, characterized in that: A crossbar (20) is provided at the bottom of the limiting frame (14).

Images