Support structure for electric power fuse

Abstract

The utility model relates to the technical field of fuse erection, and discloses a support structure for an electric power fuse, which comprises a first support semi-ring and a second support semi-ring, the front surfaces of the first support semi-ring and the second support semi-ring are provided with a split type installation mechanism, the split type installation mechanism comprises a splicing semi-ring, and the splicing semi-ring is provided with a splicing semi-ring. The splicing semi-ring is detachably connected to the front face of the first supporting semi-ring and the front face of the second supporting semi-ring, and a connecting sleeve is arranged on the outer surface of the splicing semi-ring. According to the utility model, through the integral design of the split type mounting mechanism, the first supporting semi-ring, the second supporting semi-ring and the splicing semi-ring can be firstly mounted, then the supporting inclined rod and the supporting cross rod are integrally mounted on the front surface of the splicing semi-ring through the connecting sleeve, and then the electric power fuse can be mounted at the bottom of the mounting table through the fuse seat; in this way, the split type installation function is achieved, the problems that the size and the weight are large due to integrated installation are solved, and the installation convenience and efficiency of an operator are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fuse erection, and specifically, to a bracket structure for an electric fuse. Background Art

[0002] The drop-out fuse is applicable to power systems with a frequency of 50HZ and a rated voltage of 35KV or below, and is installed on the high-voltage side of a distribution transformer or on the main distribution line. Its main functions include that in places where the protection performance requirements are not high, it can be used in combination with a disconnecting switch to replace an automatic air switch; it can also be used in combination with a load switch to replace an expensive circuit breaker. At the same time, it also has short-circuit protection, overload protection, and isolation of the circuit. During the erection process of the drop-out fuse, a bracket structure is required for installation.

[0003] The Chinese patent discloses an installation structure for a high-voltage drop-out fuse, with the publication number CN216648212U. The technical solution disclosed in this patent document is as follows: It includes a support plate, the bottom of the support plate is movably connected to a bottom plate, a moving groove is opened at the center of the bottom of the bottom plate, a limiting rod is fixedly connected inside the moving groove, springs are movably connected to the outer surfaces on both sides of the limiting rod, a moving block is fixedly connected to the side of the spring close to the center of the support plate, and a moving plate is fixedly connected to the bottom of the moving block.

[0004] In order to solve the problem that the supporting area of the metal connecting plate for the high-voltage drop-out fuse is small, the prior art is to use a structure combination of a limiting rod and a moving block for treatment, but there will still be inconvenient situations during the installation process. The support plate and other components of this structure are of an integral structure, and the fuse is mostly installed in the upper half of the electric pole. The integral structure has a large weight and volume, which is not convenient for the operator to carry out the installation work. Content of the Utility Model

[0005] The purpose of the utility model is to provide a bracket structure for an electric fuse to solve the problem of inconvenience during the installation process of the integral structure in the prior art.

[0006] The utility model provides the following technical solution: A bracket structure for an electric fuse includes a first support semi-ring and a second support semi-ring. A split-type installation mechanism is arranged on the front surfaces of the first support semi-ring and the second support semi-ring. The split-type installation mechanism includes a splicing semi-ring, the splicing semi-ring is detachably connected to the front surfaces of the first support semi-ring and the second support semi-ring, a connecting sleeve is arranged on the outer surface of the splicing semi-ring, a support cross-bar is arranged on the front surface of the connecting sleeve located below, a support diagonal bar is arranged on the front surface of the connecting sleeve located above, the support diagonal bar is welded to the top of the support cross-bar, through holes are opened on the side surfaces of the support diagonal bar and the support cross-bar, and an installation platform is fixedly installed on the front surface of the support cross-bar.

[0007] As a preference of the above technical solution, a connecting block is welded on the outer wall of the connecting sleeve, the connecting block is welded on the outer wall of the splicing half-ring, a plugging block is movably inserted into the inner cavity of the connecting sleeve, and the plugging block is fixedly installed on the back surfaces of the supporting inclined rod and the supporting cross rod.

[0008] As a preference of the above technical solution, pin grooves are formed on the sides of the connecting sleeve and the plugging block, a pin member is movably inserted into the inner cavity of the pin groove, a connecting plate is fixedly installed at the end of the pin member, a magnetic attraction block is fixedly installed on the inner wall of the connecting plate, and the side surface of the magnetic attraction block is magnetically connected with the side surface of the connecting sleeve.

[0009] As a preference of the above technical solution, a groove is formed on the top of the installation table, a mounting leg is detachably connected in the inner cavity of the groove, and a rain shield is fixedly installed on the top of the mounting leg.

[0010] As a preference of the above technical solution, a round hole is formed on the top of the installation table, a plugging rod is fixedly installed on the top of the inner wall of the rain shield, and the plugging rod is detachably connected in the inner cavity of the round hole.

[0011] As a preference of the above technical solution, a limiting frame is fixedly installed on the inner wall of the installation table, and a fuse holder is detachably connected to the bottom of the limiting frame.

[0012] As a preference of the above technical solution, a rotating member is rotatably connected to the top of the fuse holder, a limiting sleeve is fixedly sleeved on the outer wall of the rotating member, and the bottom of the limiting sleeve is movably connected with the top of the limiting frame.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] Through the overall design of the split-type installation mechanism of the present utility model, the supporting half-ring one, the supporting half-ring two and the splicing half-ring can be installed first, and then the supporting inclined rod and the supporting cross rod can be integrally installed on the front surface of the splicing half-ring through the connecting sleeve. Subsequently, the power fuse can be installed on the bottom of the installation table through the fuse holder, that is, the function of split-type installation is realized, avoiding the problems of large volume and weight of integral installation, and improving the convenience and efficiency of installation for the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional view of the present utility model;

[0016] Figure 2 is a schematic connection structure diagram of the connecting sleeve and the plugging block of the present utility model;

[0017] Figure 3 is a schematic connection structure diagram of the installation table and the rain shield of the present utility model;

[0018] Figure 4 For Figure 3 The enlarged view of the structure at position A in the figure.

[0019] In the figure: 1, the first support semi-ring; 11, the second support semi-ring; 2, the split mounting mechanism; 21, the splicing semi-ring; 22, the connecting sleeve; 221, the connecting block; 222, the inserting block; 223, the pin slot; 224, the pin; 225, the connecting plate; 226, the magnetic attraction block; 23, the support diagonal bar; 24, the support cross bar; 25, the through hole; 26, the mounting table; 261, the groove; 262, the mounting leg; 263, the rain shield; 264, the inserting rod; 265, the round hole; 266, the limiting frame; 267, the fuse holder; 268, the rotating part; 269, the limiting sleeve. Specific implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] As Figures 1-4 shown, the present invention provides a technical solution: a support structure for an electric fuse, including the first support semi-ring 1 and the second support semi-ring 11. A split mounting mechanism 2 is provided on the front surfaces of the first support semi-ring 1 and the second support semi-ring 11. The split mounting mechanism 2 includes a splicing semi-ring 21. The splicing semi-ring 21 is detachably connected to the front surfaces of the first support semi-ring 1 and the second support semi-ring 11. A connecting sleeve 22 is provided on the outer surface of the splicing semi-ring 21. A support cross bar 24 is provided on the front surface of the connecting sleeve 22 located below. A support diagonal bar 23 is provided on the front surface of the connecting sleeve 22 located above. The support diagonal bar 23 is welded to the top of the support cross bar 24. Through holes 25 are provided on the sides of the support diagonal bar 23 and the support cross bar 24. A mounting table 26 is fixedly installed on the front surface of the support cross bar 24. Through the overall design of the split mounting mechanism 2, the first support semi-ring 1, the second support semi-ring 11, and the splicing semi-ring 21 can be installed first, and then the support diagonal bar 23 and the support cross bar 24 can be integrally installed on the front surface of the splicing semi-ring 21 through the connecting sleeve 22. Then, the electric fuse can be installed on the bottom of the mounting table 26 through the fuse holder 267, that is, the function of split installation is realized, improving the convenience and efficiency of the operator's installation. Through the design of the through holes 25, the wind resistance of the support diagonal bar 23 and the support cross bar 24 can be reduced. Through the design of the support diagonal bar 23, the support stability of the support cross bar 24 for the mounting table 26 is improved. The first support semi-ring 1 and the splicing semi-ring 21, as well as the second support semi-ring 11 and the splicing semi-ring 21, are all connected by bolts.

[0022] As an implementation mode in this embodiment, as Figure 2As shown in the figure, a connecting block 221 is welded on the outer wall of the connecting sleeve 22. The connecting block 221 is welded on the outer wall of the splicing half-ring 21. An insertion block 222 is movably inserted into the inner cavity of the connecting sleeve 22. The insertion block 222 is fixedly installed on the back surfaces of the support diagonal rod 23 and the support cross rod 24. Pin slots 223 are formed on the sides of the connecting sleeve 22 and the insertion block 222. A pin member 224 is movably inserted into the inner cavity of the pin slot 223. A connecting plate 225 is fixedly installed at the end of the pin member 224. A magnetic attraction block 226 is fixedly installed on the inner wall of the connecting plate 225. The side surface of the magnetic attraction block 226 is magnetically connected to the side surface of the connecting sleeve 22. The insertion block 222 is inserted into the inside of the connecting sleeve 22, and then the pin member 224 is inserted into the inside of the pin slot 223. Immediately afterwards, the magnetic attraction block 226 can be magnetically connected to the side surface of the connecting sleeve 22 to position the pin member 224, that is, the functions of installing the support diagonal rod 23 and the support cross rod 24 on the front surface of the connecting sleeve 22 are realized, which is convenient for the operator to use.

[0023] As an implementation manner in this embodiment, as Figure 3 , Figure 4 shown, a groove 261 is formed at the top of the installation table 26. An installation leg 262 is detachably connected to the inner cavity of the groove 261. A rain shield 263 is fixedly installed at the top of the installation leg 262. A round hole 265 is formed at the top of the installation table 26. An insertion rod 264 is fixedly installed at the top of the inner wall of the rain shield 263. The insertion rod 264 is detachably connected to the inner cavity of the round hole 265. A limit frame 266 is fixedly installed on the inner wall of the installation table 26. A fuse holder 267 is detachably connected to the bottom of the limit frame 266. A rotating member 268 is rotatably connected to the top of the fuse holder 267. A limit sleeve 269 is fixedly sleeved on the outer wall of the rotating member 268. The bottom of the limit sleeve 269 is movably connected to the top of the limit frame 266. During the production process of the power fuse, the fuse holder 267 is connected to the power fuse. When installing the power fuse, the fuse holder 267 is inserted into the inner cavity of the installation table 26 and attached to the bottom of the limit frame 266. Then the limit sleeve 269 is rotated so that the bottom of the limit sleeve 269 is movably connected to the top of the limit frame 266 to complete the temporary locking of the power fuse. Immediately afterwards, the fuse holder 267 can be installed on the limit frame 266 by means of bolts. The installation leg 262 is inserted into the groove 261, and at the same time, the insertion rod 264 is inserted into the inside of the round hole 265. Then the installation leg 262 is installed in the groove 261 by means of bolts, that is, the installation process of the rain shield 263 is completed, and the rain shield 263 protects the power fuse from rain.

[0024] Working principle: During installation, the first supporting half-ring 1 and the splicing half-ring 21 are installed on the rod body through bolts, and then the second supporting half-ring 11 and the splicing half-ring 21 are installed on the rod body through bolts. Subsequently, the insertion block 222 is inserted into the connecting sleeve 22, and then the pin 224 is inserted into the pin slot 223 to complete the positioning of the installation platform 26. During the production process of the power fuse, the fuse holder 267 is connected to the power fuse. When installing the power fuse, the fuse holder 267 is inserted into the inner cavity of the installation platform 26 and attached to the bottom of the limiting frame 266. Subsequently, the limiting sleeve 269 is rotated to temporarily lock the power fuse, and then the fuse holder 267 is installed on the limiting frame 266 with bolts.

[0025] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it.

Claims

1. A support structure for a power fuse, comprising a first support half ring (1) and a second support half ring (11), characterized in that: The front sides of the supporting half rings (1) and (11) are provided with a split installation mechanism (2), the split installation mechanism (2) comprising a splicing half ring (21), the splicing half ring (21) being detachably connected to the front sides of the supporting half rings (1) and (11), a connecting sleeve (22) being provided on the outer surface of the splicing half ring (21), a supporting cross bar (24) being provided on the front side of the connecting sleeve (22) located at the bottom, and a supporting oblique rod (23) being provided on the front side of the connecting sleeve (22) located at the top, the supporting oblique rod (23) being welded to the top of the supporting cross bar (24), the side sides of the supporting oblique rod (23) and the supporting cross bar (24) are provided with through holes (25), and a mounting platform (26) is fixedly installed on the front side of the supporting cross bar (24).

2. A support structure for a power fuse according to claim 1, characterized in that: A connecting block (221) is welded on the outer wall of the connecting sleeve (22), the connecting block (221) is welded on the outer wall of the splicing half ring (21), a plug-in block (222) is movably plugged into the inner cavity of the connecting sleeve (22), and the plug-in block (222) is fixedly mounted on the back of the supporting oblique rod (23) and the supporting cross rod (24).

3. A support structure for a power fuse according to claim 2, characterized in that: The side surfaces of the connecting sleeve (22) and the plug-in block (222) are both provided with a pin groove (223), a pin member (224) is movably plugged into the inner cavity of the pin groove (223), a connecting plate (225) is fixedly mounted on the end of the pin member (224), a magnetic block (226) is fixedly mounted on the inner wall of the connecting plate (225), and a side surface of the magnetic block (226) is magnetically connected to a side surface of the connecting sleeve (22).

4. A support structure for a power fuse according to claim 1, characterized in that: A groove (261) is provided on the top of the mounting platform (26), a mounting leg (262) is detachably connected to the inner cavity of the groove (261), and a rain shield (263) is fixedly mounted on the top of the mounting leg (262).

5. A support structure for a power fuse according to claim 4, characterized in that: A circular hole (265) is provided on the top of the mounting platform (26), and a plug-in rod (264) is fixedly mounted on the top of the inner wall of the rain shield (263), wherein the plug-in rod (264) is detachably connected to the inner cavity of the circular hole (265).

6. A support structure for a power fuse according to claim 1, characterized in that: A limit frame (266) is fixedly mounted on the inner wall of the mounting platform (26), and a fuse holder (267) is detachably connected to the bottom of the limit frame (266).

7. A support structure for a power fuse according to claim 6, characterized in that: The top of the fuse holder (267) is rotatably connected to a rotating member (268), a limiting sleeve (269) is fixedly sleeved on the outer wall of the rotating member (268), and the bottom of the limiting sleeve (269) is movably connected to the top of the limiting frame (266).

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