Anti-loosening bus duct

Abstract

The invention relates to an anti-loosening bus duct which comprises a lower shell, side plates and an upper shell. A plurality of conducting bars are arranged between the upper shell and the lower shell; the opposite faces of the upper shell and the lower shell are each provided with a bearing assembly. Each bearing assembly mainly comprises a plane pad, a flexible pad, a bearing shaft, a second bevel gear and a straight cylinder. A butt joint assembly is arranged at the butt joint position of the side plate and the upper shell and comprises a limiting channel, a first telescopic channel and a second telescopic channel. According to the bus duct structure, under the action of a straight cylinder, a limiting disc and a butt-joint gasket, after the upper shell is assembled, the bearing assembly can be pressed, at the moment, a clamping frame is in a storage state, when the upper shell is taken down, pressing of the limiting disc and the butt-joint gasket is cancelled, the bearing assembly can be lifted in a clamping state under the action of a second elastic piece, and therefore the bearing assembly is prevented from being damaged. Therefore, the highest point of the conducting bar protrudes out of the highest point of the side plate, and a maintainer only needs to take down a single conducting bar easily, so that the overall maintenance rate is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of bus ducts, and in particular relates to an anti-loosening bus duct. Background Art

[0002] Bus duct is a device used for power transmission and distribution, which has the advantages of strong current carrying capacity, simple and convenient installation, high safety and long service life;

[0003] The bus duct is usually composed of a metal plate protective shell (made of steel plate or aluminum alloy plate), a conductive bar, insulating materials and related accessories, and is a busbar trunk system;

[0004] However, the bus duct requires daily maintenance and regular inspection. The bus duct is generally assembled. This means that when the conductive bar is removed for inspection or replacement and maintenance, the conductive bar is located between the two side panels. This means that the maintenance personnel need to put their hands into the space between the two side panels when removing the conductive bar. This can easily scratch their hands. When the distance between the conductive bars is small, it is more cumbersome to remove the conductive bar. The conductive bars are separated by insulating pads. When the thickness of the conductive bars is different, there will be some looseness. Once the bus duct is installed as a whole, the conductive bar will become loose due to factors such as vibration, affecting its effect.

[0005] In view of this, an anti-loosening bus duct is proposed. Summary of the invention

[0006] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0007] In view of the following technical problems in the prior art: However, the bus duct requires daily maintenance and regular inspection, and the bus duct is generally assembled. This results in the conductive bar being removed for inspection or replacement maintenance. Since the conductive bar is between the two side panels, the maintenance personnel need to put their hands into the interior between the two side panels when taking out the conductive bar, which is easy to scratch the hands. When the spacing between the conductive bars is small, it is more cumbersome to remove the conductive bar. The conductive bars are separated by insulating pads. When the thickness of the conductive bars is different, there will be some looseness. Once the bus duct is installed as a whole, the conductive bar will become loose due to factors such as vibration, affecting its effect.

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions: an anti-loosening bus duct, comprising a lower shell, a side plate and an upper shell;

[0009] The lower shell is parallel to the upper shell, the side plate is perpendicular to the upper shell and the lower shell, and a number of conductive bars are arranged between the upper shell and the lower shell;

[0010] The upper shell and the lower shell are both provided with bearing components on the opposite surfaces. The bearing components on the lower shell are telescopically movable. The bearing components mainly include a plane pad, a flexible pad, a bearing shaft, a second bevel gear and a straight cylinder. The flexible pad is a protruding part of the plane pad. The bearing shaft is hinged in the plane pad. A bidirectional thread is milled on the bearing shaft.

[0011] The two sides of the bearing assembly are synchronously provided with docking gaskets, and the side of the upper shell facing the lower shell is provided with symmetrically distributed straight tubes, and the straight tubes are located on the inner edge of the side plate;

[0012] The lower shell and the upper shell are synchronously provided with a control component, the control component includes an operating cavity, a linkage shaft and a second protective seat, and the operating cavity is opened on the surface wall of the lower shell and the upper shell;

[0013] The joint of the side panel and the upper shell is provided with a docking assembly, the docking assembly comprising a limiting channel, a telescopic channel 1 and a telescopic channel 2, the limiting channel is reserved at a side of the side panel close to the upper shell, and the telescopic channel 1 is reserved at a part of the upper shell close to the side panel;

[0014] Storage chamber 1 and storage chamber 2 are milled on the upper position of the inner edge of the telescopic channel 1. The storage chamber 2 is located below the storage chamber 1. A locking bead is arranged in the storage chamber 2.

[0015] As an optimal technical solution for an anti-loosening busbar, the load-bearing shaft is sleeved with a threaded sleeve near the outside of the bidirectional thread, the threaded sleeve is threadedly transmitted with the bidirectional thread, the bevel gear 2 is fixedly connected to the outer peripheral wall of the threaded sleeve, the opposite ends of the two load-bearing shafts are connected with bevel gear 1, and the outer peripheral walls of the two bevel gears 1 are meshed and transmitted with bevel gear 2.

[0016] As an optimal technical solution for an anti-loosening bus duct, a limiting disk is arranged at one end of the straight tube close to the bearing assembly, the lower surface wall of the limiting disk abuts against the upper surface wall of the docking gasket, and a rotating shaft is hinged on the inner edge of the side plate.

[0017] As an optimal technical solution for an anti-loosening bus duct, a clamping frame is arranged on the rotating shaft, the clamping frame abuts against two sides of the bearing component, an elastic member 2 is arranged between the clamping frame and the side plate, and a storage cavity is milled on the upper surface wall of the lower shell.

[0018] As an optimal technical solution for an anti-loosening bus duct, the linkage shaft passes through the operating cavity, one end of the linkage shaft extending into the operating cavity continues to extend into the plane pad and dock with the second bevel gear, and the second protective seat is docked in the operating cavity.

[0019] As an optimal technical solution for an anti-loosening busbar, a spline cavity is milled around the operating cavity on the lower shell, a spline shaft is provided in the spline cavity for telescopic movement, and the linkage shaft passes through the spline shaft. Under the action of the spline cavity and the spline shaft, the linkage effect of the telescopic movement of the load-bearing components on the lower shell can be achieved.

[0020] As an optimal technical solution for an anti-loosening bus duct, the telescopic channel 1 has a linkage seat for telescopic movement, the two ends of the linkage seat have different widths, and the different widths are connected by an inclined surface with a slope, and the telescopic channel 2 is milled on the side of the telescopic channel 1.

[0021] As an optimal technical solution for an anti-loosening bus duct, a locking frame is provided for telescopic movement in the telescopic channel two, the bending part of the locking frame is treated with an inclined surface, the opposite surfaces of the locking frame and the linkage seat are in a mutual abutment relationship, the locking frame is in a telescopic and engaging connection relationship within the limited channel, an elastic member one is arranged between the locking frame and the telescopic channel one, a protective seat one is embedded in the telescopic channel two, and the lower end of the protective seat one abuts against the locking frame.

[0022] As an optimal technical solution for an anti-loosening bus duct, a semicircular cavity one and a semicircular cavity two are milled on the peripheral wall of the linkage seat, and directional channels are milled on the adjacent sides of the telescopic channel one and the telescopic channel two. The end of the linkage seat extending into the directional channel is butt-jointed with a directional seat, and the directional seat telescopes and moves in the directional channel. An L-frame is arranged on the end of the linkage seat away from the directional seat.

[0023] As an optimal technical solution for an anti-loosening bus duct, a guide channel three is reserved on the back of the upper shell, and the guide channel three is communicated with the telescopic channel one. The L frame telescopes in the guide channel three, and the position of the guide channel three is exposed on the outside of the side panel. A triangular pad is arranged at the joint between the lower shell, the upper shell and the side panel.

[0024] Beneficial effects of the present invention:

[0025] 1. The bus duct structure can drive the linkage seat by pulling the L frame. Under the characteristics of its shape and the action of the elastic member 1, the locking frame and the limited channel can no longer be connected, so that the upper shell can be quickly removed, further improving the overall maintenance rate. After the locking frame is embedded in the limited channel, the displacement of the linkage seat and the shape of its edge push the bent end of the locking frame into the limited channel, and the upper shell can be assembled accurately and quickly at this time;

[0026] 2. The bus duct structure, through the action of the straight tube, the limiting plate and the docking gasket, enables the upper shell to press the bearing assembly after being assembled. At this time, the clamping frame is in the storage state. When the upper shell is removed, the limiting plate and the docking gasket cancel the pressing, and the bearing assembly can be lifted up in a clamping position under the action of the elastic member 2, so that the highest point of the conductive bar protrudes from the highest point of the side plate, and the maintenance worker only needs to easily remove a single conductive bar, thereby improving the overall maintenance rate;

[0027] 3. The busbar structure enables the threaded sleeve to transmit the two-way thread through the action of the linkage shaft, bevel gear 2, bevel gear 1 and the load-bearing shaft. At this time, the bevel gear 2 inside the single flexible pad can move relative to each other. At this time, it can be suitable for conductive bars of different thicknesses, and can prevent the conductive bars from loosening due to shaking during use. It can also ensure that the spacing between the two conductive bars is the same;

[0028] 4. The bus duct structure uses the special shape of the triangular pad to ensure the airtightness of the side panels, upper shell and lower shell during assembly.

[0029] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0031] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0032] Figure 2 The present invention is schematically shown in FIG. Figure 1 .

[0033] Figure 3 For the present invention Figure 2 Local location diagram Figure 1 .

[0034] Figure 4 For the present invention Figure 2 Local location diagram Figure 2 .

[0035] Figure 5 The docking assembly structure of the present invention is schematically shown in FIG. Figure 1 .

[0036] Figure 6 The docking assembly structure of the present invention is schematically shown in FIG. Figure 2 .

[0037] Figure 7 The docking assembly structure of the present invention is schematically shown in FIG. Figure 3 .

[0038] Figure 8 The present invention is schematically shown in FIG. Figure 2 .

[0039] Fig. 9 For the present invention Figure 8 Schematic diagram looking up.

[0040] Reference numerals:

[0041] 100, lower shell; 200, side plate; 300, conductive bar; 400, upper shell;

[0042] 500, docking assembly; 501, guide channel three; 502, semicircular cavity two; 503, protective seat one; 504, telescopic channel one; 505, linkage seat; 506, telescopic channel two; 507, locking frame; 508, limited channel; 509, L frame; 510, directional seat; 511, directional channel; 512, elastic member one; 513, semicircular cavity one; 514, locking bead; 515, storage cavity one; 516, storage cavity two;

[0043] 600, bearing assembly; 601, plane pad; 602, flexible pad; 603, bearing shaft; 604, bidirectional thread; 605, threaded sleeve; 606, bevel gear 1; 607, bevel gear 2; 608, docking gasket;

[0044] 700, control component; 701, operating chamber; 702, linkage shaft; 703, second protective seat; 704, spline chamber; 705, spline shaft;

[0045] 800, straight tube; 801, limiting plate; 802, rotating shaft; 803, clamping frame; 804, storage cavity; 805, elastic member 2; 900, triangular pad. DETAILED DESCRIPTION

[0046] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0047] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0048] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0049] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0050] Example 1

[0051] Reference Figure 1 and 2 , which is the first embodiment of the present invention, provides an anti-loosening bus duct, comprising a lower shell 100, a side plate 200 and an upper shell 400; the lower shell 100 is parallel to the upper shell 400, the side plate 200 and the upper shell 400 and the lower shell 100 are vertically arranged, and a number of conductive bars 300 are arranged between the upper shell 400 and the lower shell 100;

[0052] Reference Figure 4The upper shell 400 and the lower shell 100 are both provided with a bearing assembly 600 on the opposite sides. The bearing assembly 600 on the lower shell 100 is telescopic. The bearing assembly 600 mainly includes a plane pad 601, a flexible pad 602, a bearing shaft 603, a bevel gear 607 and a straight cylinder 800. The flexible pad 602 is a protruding part of the plane pad 601. The bearing shaft 603 is hinged in the plane pad 601. A bidirectional thread 604 is milled on the bearing shaft 603. A threaded sleeve 605 is sleeved on the outside of the bearing shaft 603 near the bidirectional thread 604. The threaded sleeve 605 is threadedly driven with the bidirectional thread 604. The bevel gear 607 is fixedly connected to the outer peripheral wall of the threaded sleeve 605. The opposite ends of the bearing shaft 603 are connected with bevel gears 1 606, and the outer peripheral walls of the two bevel gears 1 606 are meshed with bevel gears 2 607. When the bevel gears 2 607 are actively controlled to rotate, the two bevel gears 1 606 can rotate synchronously under the relationship of meshing transmission. Under the relationship of thread transmission, the two bevel gears 2 607 in one group can move relative to each other, so that the flexible pad 602 can be bulged. At this time, the conductive bar 300 can be locked by the flexible pads 602 on both sides thereof, which can prevent the conductive bar 300 from loosening, and can keep the same spacing between several conductive bars 300, which improves the overall assembly rate.

[0053] Example 2

[0054] Reference Figure 4 and 8 , docking gaskets 608 are synchronously configured on both sides of the bearing assembly 600, and a symmetrically distributed straight tube 800 is configured on the side of the upper shell 400 facing the lower shell 100, and the straight tube 800 is located on the inner edge of the side plate 200. A limiting plate 801 is configured at one end of the straight tube 800 close to the bearing assembly 600, and the lower surface wall of the limiting plate 801 abuts against the upper surface wall of the docking gasket 608. The bearing assembly 600 on the lower shell 100 has a traction component with it, which can make the bearing assembly 600 on the lower shell 100 move vertically. A rotating shaft 802 is hinged on the inner edge of the side plate 200, and a clamping frame 80 is configured on the rotating shaft 802 3. The clamping frame 803 abuts against the two sides of the bearing assembly 600. An elastic member 805 is arranged between the clamping frame 803 and the side plate 200, wherein the elastic member 805 is of a torsion type. The upper surface wall of the lower shell 100 is milled with a storage cavity 804. After the clamping frame 803 is pressed, the lower surface wall of the bearing assembly 600 fits with the upper surface wall of the lower shell 100. The bending part of the clamping frame 803 is located in the storage cavity 804. At the same time, the bending part of the clamping frame 803 is located below the two sides of the bearing assembly 600. When the straight tube 800 is released from restriction, the bending part of the clamping frame 803 can lift the bearing assembly 600.

[0055] When the upper shell 400 is removed, the limiting disk 801 no longer applies pressure to the docking gasket 608. At this time, the second elastic member 805, under its own action, causes the clamping frame 803 to perform a fan-shaped circular motion around the rotating shaft 802 as the axis. When the two symmetrical clamping frames 803 move, they clamp the supporting assembly 600 in a vertical direction. At this time, the highest point of the conductive bar 300 protrudes from the highest point of the side plate 200. At this time, the convenience of the conductive bar 300 when being taken out for replacement or maintenance is greatly improved. At the same time, there is no need to insert the hand into the lower shell 100 when assembling the conductive bar 300, avoiding the risk of scratching the back of the hand.

[0056] Example 3

[0057] Reference Figure 4 The lower shell 100 and the upper shell 400 are synchronously provided with a control component 700, which includes an operating chamber 701, a linkage shaft 702 and a second protective seat 703. The operating chamber 701 is opened on the surface wall of the lower shell 100 and the upper shell 400, and the linkage shaft 702 runs through the operating chamber 701. One end of the linkage shaft 702 extending into the operating chamber 701 continues to extend into the plane pad 601 and docks with the bevel gear 607. The second protective seat 703 is docked in the operating chamber 701, and the second protective seat 703 can operate the linkage shaft 702. Protection, while ensuring the overall beauty, the linkage shaft 702 is controlled to rotate by a wrench or other suitable tools, at this time, the bevel gear 2 607 can be linked with the bevel gear 1 606 to rotate in different directions, the operating cavity 701 on the lower shell 100 is milled with a spline cavity 704 around it, and the spline cavity 704 has a spline shaft 705 for telescopic movement, and the linkage shaft 702 runs through the spline shaft 705. Under the action of the spline cavity 704 and the spline shaft 705, the linkage effect of the telescopic movement of the bearing assembly 600 on the lower shell 100 can be met;

[0058] Example 4

[0059] Reference Figure 3 , 5, 6 and 7, the docking part of the side plate 200 and the upper shell 400 is provided with a docking assembly 500, the docking assembly 500 includes a limiting channel 508, a telescopic channel 1 504 and a telescopic channel 2 506, the limiting channel 508 is reserved at a side of the side plate 200 close to the upper shell 400, the telescopic channel 1 504 is reserved at a part of the upper shell 400 close to the side plate 200, and a linkage seat 505 is provided in the telescopic channel 1 504 for telescopic movement, and the two ends of the linkage seat 505 are different in width, and the widths are different. The telescopic channel 2 506 is connected by a sloped inclined surface, and the telescopic channel 2 506 is milled on the side of the telescopic channel 1 504. The telescopic channel 2 506 has a locking frame 507 for telescopic movement. The bending part of the locking frame 507 is processed with an inclined surface, which can be easily embedded in the limited channel 508. The opposite surfaces of the locking frame 507 and the linkage seat 505 are in a mutual abutment relationship. Under the influence of the special edge contour of the linkage seat 505, the locking frame 507 can perform telescopic movement. The locking frame 507 is in the limited channel 508. In order to provide two connection relationships of telescopic and snap-fit, an elastic member 512 is arranged between the locking frame 507 and the telescopic channel 1 504, wherein the elastic member 512 is of a tension type, and a protective seat 503 is embedded in the telescopic channel 2 506. On the one hand, the protective seat 503 can have a limiting effect on the directional seat 510, and on the other hand, the protective seat 503 can have a protective and aesthetic effect. The lower end of the protective seat 503 abuts against the locking frame 507, and the protective seat 503 is removed, and the linkage seat 506 is 05 is pulled in the direction of the edge of the upper shell 400. At this time, when the corresponding position of the locking frame 507 and the linkage seat 505 changes from the larger width end of the linkage seat 505 to the smaller width end, under the characteristics of the elastic member 1 512, the locking frame 507 now telescopes in the limited channel 508. At this time, the bent end of the locking frame 507 corresponds to the vertically connected position of the limited channel 508. At this time, the upper shell 400 can be lifted up, which is convenient for the accurate and rapid assembly of the upper shell 400 and the side plate 200.

[0060] Reference Figure 1 , 3, 6, 7 and 9, a storage chamber 1 515 and a storage chamber 2 516 are milled at the upper position of the inner edge of the telescopic channel 1 504, and the storage chamber 2 516 is located below the storage chamber 1 515. A locking bead 514 is arranged in the storage chamber 2 516. A semicircular chamber 1 513 and a semicircular chamber 2 502 are milled on the peripheral wall of the linkage seat 505. When the linkage seat 505 is pulled and moved, the locking bead 514 enters the storage chamber 1 515 under the action of pressure. Under the action of the semicircular chamber 1 513 and the semicircular chamber 2 502, the linkage seat 505 has a limiting effect of two positions after being pulled and moved. A directional channel 511 is milled on the adjacent side of the telescopic channel 1 504 and the telescopic channel 2 506. The linkage seat 505 is extended. One end of the upper shell 400 that enters the directional channel 511 is connected with a directional seat 510, and the directional seat 510 telescopically moves in the directional channel 511, which can limit the movement range of the linkage seat 505. The end of the linkage seat 505 away from the directional seat 510 is provided with an L frame 509. The back of the upper shell 400 is reserved with a guide channel 3 501, and the guide channel 3 501 is communicated with the telescopic channel 1 504. The L frame 509 telescopically moves in the guide channel 3 501, and the position of the guide channel 3 501 is exposed at the external position of the side plate 200. The joint between the lower shell 100, the upper shell 400 and the side plate 200 is provided with a triangular pad 900, which improves the sealing performance of the upper shell 400 and the side plate 200 after assembly and docking;

[0061] When the locking frame 507 is embedded into the limited channel 508, the locking frame 507 will be compressed and enter the limited channel 508 under the action of the shape below the locking frame 507. At this time, the linkage seat 505 is pushed inward. At this time, under the shape of the edge of the linkage seat 505, the wide side of the linkage seat 505 will push the locking frame 507 into the limited channel 508 for locking, and further limited by the locking bead 514, the semicircular cavity 513 and the protective seat 503. At this time, the upper shell 400 can be assembled accurately and quickly.

[0062] It should be understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, without undue experimentation, the development effort will be a routine task of design, fabrication, and production.

[0063] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A loose-proof bus duct, characterized in that: It comprises a lower shell (100), a side plate (200) and an upper shell (400); The lower shell (100) and the upper shell (400) are arranged in parallel, the side plate (200) and the upper shell (400) and the lower shell (100) are arranged vertically, and a number of conductive bars (300) are arranged between the upper shell (400) and the lower shell (100); The upper shell (400) and the lower shell (100) are both provided with a bearing assembly (600) on the opposite surfaces. The bearing assembly (600) on the lower shell (100) is telescopically movable. The bearing assembly (600) mainly comprises a plane pad (601), a flexible pad (602), a bearing shaft (603), a second bevel gear (607) and a straight cylinder (800). The flexible pad (602) is a protruding portion of the plane pad (601). The bearing shaft (603) is hinged in the plane pad (601). A bidirectional thread (604) is milled on the bearing shaft (603). The two sides of the bearing assembly (600) are synchronously provided with docking gaskets (608); the side of the upper shell (400) facing the lower shell (100) is provided with symmetrically distributed straight tubes (800), and the straight tubes (800) are located on the inner edge of the side plate (200); The lower shell (100) and the upper shell (400) are synchronously provided with a control component (700), the control component (700) comprising an operating chamber (701), a linkage shaft (702) and a second protective seat (703), and the operating chamber (701) is opened on the surface walls of the lower shell (100) and the upper shell (400); A docking assembly (500) is disposed at the docking point of the side plate (200) and the upper shell (400), and the docking assembly (500) includes a limiting channel (508), a telescopic channel 1 (504), and a telescopic channel 2 (506), wherein the limiting channel (508) is reserved at a side of the side plate (200) close to the upper shell (400), and the telescopic channel 1 (504) is reserved at a portion of the upper shell (400) close to the side plate (200); A storage chamber 1 (515) and a storage chamber 2 (516) are milled on the upper inner edge of the telescopic channel 1 (504); the storage chamber 2 (516) is located below the storage chamber 1 (515); and a locking bead (514) is disposed in the storage chamber 2 (516).

2. The anti-loosening bus duct according to claim 1 is characterized in that: The bearing shaft (603) is sleeved with a threaded sleeve (605) near the outer portion of the bidirectional thread (604), and the threaded sleeve (605) is threadedly driven with the bidirectional thread (604). The second bevel gear (607) is fixedly connected to the outer peripheral wall of the threaded sleeve (605), and the opposite ends of the two bearing shafts (603) are both butt-jointed with the first bevel gear (606), and the outer peripheral walls of the two first bevel gears (606) are meshed and driven with the second bevel gear (607).

3. The anti-loosening bus duct according to claim 1 is characterized in that: The straight tube (800) is provided with a limiting disk (801) at one end close to the bearing assembly (600), the lower surface wall of the limiting disk (801) abuts against the upper surface wall of the docking gasket (608), and the inner edge of the side plate (200) is hinged with a rotating shaft (802).

4. The anti-loosening bus duct according to claim 3 is characterized in that: A clamping frame (803) is arranged on the rotating shaft (802), and the clamping frame (803) abuts against two sides of the bearing assembly (600). A second elastic member (805) is arranged between the clamping frame (803) and the side plate (200), and a storage cavity (804) is milled on the upper surface wall of the lower shell (100).

5. The anti-loosening bus duct according to claim 1 is characterized in that: The linkage shaft (702) passes through the operating cavity (701), and one end of the linkage shaft (702) extending into the operating cavity (701) continues to extend into the plane pad (601) to dock with the second bevel gear (607), and the second protective seat (703) docks in the operating cavity (701).

6. The anti-loosening bus duct according to claim 1 is characterized in that: A spline cavity (704) is milled around the periphery of the operating cavity (701) on the lower shell (100), a spline shaft (705) is provided in the spline cavity (704) for telescopic movement, and the linkage shaft (702) passes through the spline shaft (705). Under the action of the spline cavity (704) and the spline shaft (705), the linkage effect of the telescopic movement of the bearing component (600) on the lower shell (100) can be achieved.

7. The anti-loosening bus duct according to claim 1 is characterized in that: The telescopic channel 1 (504) has a linkage seat (505) for telescopic movement. The two ends of the linkage seat (505) have different widths, and the different widths are connected by an inclined surface with a slope. The telescopic channel 2 (506) is milled on the side of the telescopic channel 1 (504).

8. The anti-loosening bus duct according to claim 1, characterized in that: The telescopic channel (506) is provided with a locking frame (507) for telescopic movement. The bending part of the locking frame (507) is treated as an inclined surface. The opposite surfaces of the locking frame (507) and the linkage seat (505) are in a mutual abutment relationship. The locking frame (507) is in a telescopic and engaging connection relationship in the limited channel (508). An elastic member (512) is arranged between the locking frame (507) and the telescopic channel (504). A protective seat (503) is embedded in the telescopic channel (506). The lower end of the protective seat (503) abuts against the locking frame (507).

9. The anti-loosening bus duct according to claim 7, characterized in that: The peripheral wall of the linkage seat (505) is milled with a semicircular cavity 1 (513) and a semicircular cavity 2 (502); the adjacent edges of the telescopic channel 1 (504) and the telescopic channel 2 (506) are milled with an directional channel (511); one end of the linkage seat (505) extending into the directional channel (511) is butted with an directional seat (510); the directional seat (510) telescopically moves in the directional channel (511); and an L frame (509) is arranged at one end of the linkage seat (505) away from the directional seat (510).

10. The anti-loosening bus duct according to claim 1, characterized in that: A guide channel three (501) is reserved on the back of the upper shell (400), and the guide channel three (501) is communicated with the telescopic channel one (504). The L frame (509) telescopically moves in the guide channel three (501), and the position of the guide channel three (501) is exposed at the external position of the side plate (200). A triangular pad (900) is arranged at the joint between the lower shell (100), the upper shell (400) and the side plate (200).

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