Direct current screen suspension device

Abstract

The utility model discloses a direct current screen suspension device, which relates to the technical field of direct current screen installation and comprises an outer frame, end triangular plates are integrally arranged at two ends of the outer frame, a spline shaft rod is movably connected between the two end triangular plates, and the inner side of the outer frame is movably connected with a direct current screen suspension bracket. The direct-current screen hanging frame comprises a shell front cover and a shell rear cover which are symmetrically arranged, a locking screw rod is fixedly connected between the shell front cover and the shell rear cover, a driving assembly is further movably connected between the shell front cover and the shell rear cover, and the spline shaft rod is in transmission connection with the driving assembly; according to the utility model, through the transmission cooperation between the driven worm gear and the driving worm, the transmission gear drives the meshing gear to rotate, and through the meshing between the meshing gear and the rack groove, the height of the direct current screen suspension bracket is adjusted, so that the suspension type direct current screen can be conveniently installed, a worker does not need to climb to install, and the safety is improved.

Description

Technical Field

[0001] This utility model specifically relates to the field of DC power supply installation technology, and more specifically to a DC power supply suspension device. Background Technology

[0002] A suspended DC power supply panel is a DC power system with a special installation method. It is mainly installed on a wall or other vertical support structure through a special suspension device. Compared with the traditional floor-standing DC power supply panel, the suspended DC power supply panel can effectively save ground space. This installation method is very practical in places with limited space, such as small substations, communication base stations or compact industrial control workshops.

[0003] The suspension system is usually composed of high-strength metal brackets (such as channel steel, angle steel, or special brackets), which are reliably fixed to the wall or supporting structure by means of expansion bolts.

[0004] However, in practice, it has been noted that installing a suspended DC power supply requires hoisting equipment to lift the power supply, and then workers need to climb ladders to install it. Because the installation requires climbing, tools need to be constantly retrieved, resulting in low installation efficiency. Furthermore, the DC power supply is prone to swaying during hoisting, which could easily touch the workers who have climbed, creating a safety hazard. Moreover, after installation, workers also need to climb to inspect and maintain the DC power supply, which is quite laborious. Utility Model Content

[0005] The purpose of this invention is to provide a DC power supply suspension device. Through the transmission mechanism in the drive assembly, the splined shaft drives the drive assembly to rotate. Then, through the meshing between the drive assembly and the rack groove, the front cover of the outer casing moves up and down. Combined with the connecting bracket, this facilitates the installation of the DC power supply at a low location, eliminating the need for climbing and improving safety. This addresses the technical problems mentioned in the background section.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A DC power supply suspension device includes an outer frame, with end triangular plates integrally provided at both ends of the outer frame, a splined shaft movably connected between the two end triangular plates, and a DC power supply suspension bracket movably connected to the inner side of the outer frame.

[0008] The DC power supply suspension bracket includes a symmetrically arranged front cover and a rear cover, with a locking screw fixedly connected between the front cover and the rear cover. A drive assembly is also movably connected between the front cover and the rear cover, and the spline shaft is connected to the drive assembly for transmission.

[0009] As a further technical scheme of the utility model, the rear cover of the shell comprises a slotted shell, bearing positioning columns in a rectangular array are integrally arranged in the slotted shell, a threaded locking hole is formed in each bearing positioning column, and the end of the locking screw penetrates through the front cover of the shell and is screwed with the threaded locking hole.

[0010] As a further technical scheme of the utility model, the drive assembly comprises meshing gears corresponding to the bearing positioning columns, a bearing is embedded in each meshing gear, and the inner ring of the bearing is interference-fitted with the bearing positioning column.

[0011] As a further technical scheme of the utility model, the drive assembly further comprises transmission gears symmetrically arranged, the transmission gears are located between the meshing gears, and each transmission gear is meshed with two meshing gears on the side.

[0012] As a further technical scheme of the utility model, an interference-fitted transmission shaft rod is arranged in each transmission gear, a limiting groove matched with the transmission shaft rod is formed in the slotted shell, and the end of the transmission shaft rod is inserted into the inner side of the limiting groove.

[0013] As a further technical scheme of the utility model, an interference-fitted driven worm wheel is arranged at the end of each transmission shaft rod away from the transmission gear, a drive worm is arranged between the two driven worm wheels, the drive worm is meshed with the driven worm wheels, and a spline fitting hole is formed in the drive worm.

[0014] As a further technical scheme of the utility model, the drive worm is movably connected with the front cover of the shell, the two ends of the drive worm respectively extend to the outer side of the front cover of the shell through the front cover of the shell, the spline shaft rod is inserted into the inner side of the spline fitting hole, and the spline fitting hole is slidingly matched with the spline shaft rod.

[0015] As a further technical scheme of the utility model, a rack groove is formed in the inner side of each side of the outer frame, the meshing gear is inserted into the rack groove on the side away from the rear cover of the shell, and the meshing gear and the rack groove are meshed with each other.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The utility model discloses, through the transmission cooperation between driven worm wheel and drive worm, makes transmission gear drive meshing gear rotate, adjusts the height of DC screen suspension frame again through the meshing between meshing gear and rack recess, and the convenient installation of suspension type DC screen is not needed worker to install in height, improves security, the utility model discloses, through the connection support of symmetric formula installation of shell rear cover outside, the suspension type DC screen is fixed to the side of shell rear cover with cooperation outer frame, and further facilitate worker to install and dismount to DC screen, the utility model discloses, through the mutual cooperation between spline shaft stem and spline cooperation hole, make spline shaft stem drive drive worm rotation simultaneously, drive worm can also make slide fit on the outside of spline shaft stem, thereby the height of DC screen suspension frame is adjusted conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the utility model use state structure schematic diagram.

[0019] Figure 2 It is the utility model Figure 1 Partial enlarged schematic diagram.

[0020] Figure 3 It is the utility model Figure 1 Partial enlarged schematic diagram.

[0021] Figure 4 It is the utility model DC screen suspension frame's three-dimensional structure schematic diagram.

[0022] Figure 5 It is another view of the utility model Figure 4 .

[0023] Figure 6 It is the internal structure schematic diagram of the utility model Figure 4 .

[0024] Figure 7 It is the three-dimensional structure schematic diagram of shell rear cover in the utility model.

[0025] In the drawing:

[0026] Outer frame-1, rack recess-11, end triangular plate-2, spline shaft stem-3, cooperation groove-31, shell front cover-4, shell rear cover-5, slotted shell-51, bearing positioning column-52, threaded locking hole-53, limit recess-54, drive assembly-6, meshing gear-61, transmission gear-62, transmission shaft rod-63, driven worm wheel-64, drive worm-65, spline cooperation hole-66, connection support-7, U type buckling frame-71, inclined extension frame-72, threaded hole plate-73, locking screw-8. DETAILED DESCRIPTION

[0027] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0028] Please refer to Figures 1-7 The utility model embodiment provides a DC screen suspension device, including outer frame 1, the both ends of outer frame 1 are integrally provided with end triangular plate 2, the spline shaft lever 3 is movably connected between two end triangular plates 2, and the inner side of outer frame 1 is movably connected with DC screen suspension frame;

[0029] The DC screen suspension frame comprises a front cover 4 and a rear cover 5 arranged symmetrically, a locking screw 8 is fixedly connected between the front cover 4 and the rear cover 5, a driving assembly 6 is movably connected between the front cover 4 and the rear cover 5, and the spline shaft lever 3 is in transmission connection with the driving assembly 6.

[0030] In the embodiment, the rear cover 5 comprises a slotted shell 51, a plurality of bearing positioning columns 52 in a rectangular array are integrally arranged in the slotted shell 51, a threaded locking hole 53 is formed in each bearing positioning column 52, and the end of the locking screw 8 penetrates through the front cover 4 and is in threaded connection with the threaded locking hole 53.

[0031] In the embodiment, the driving assembly 6 comprises a plurality of meshing gears 61 corresponding to the bearing positioning columns 52, a bearing is embedded in each meshing gear 61, and the inner ring of the bearing is in interference fit with the bearing positioning column 52.

[0032] Further, the driving assembly 6 further comprises a plurality of transmission gears 62 arranged symmetrically, the transmission gears 62 are located between the plurality of meshing gears 61, and each transmission gear 62 is in meshing engagement with two meshing gears 61 on the side.

[0033] In the embodiment, a transmission shaft 63 is in interference fit with each transmission gear 62, a limiting groove 54 matched with the transmission shaft 63 is formed in the slotted shell 51, and the end of the transmission shaft 63 is inserted into the inner side of the limiting groove 54.

[0034] Specifically, a driven worm gear 64 is in interference fit with the end of each transmission shaft 63 away from the transmission gear 62, a driving worm 65 is arranged between the two driven worm gears 64, the driving worm 65 is in meshing engagement with the driven worm gears 64, and a spline matching hole 66 is formed in the driving worm 65.

[0035] Specifically, the driving worm 65 is movably connected to the front cover 4 of the shell, and the two ends of the driving worm 65 extend to the outside of the front cover 4 of the shell, respectively. The spline shaft 3 is inserted into the inside of the spline matching hole 66, and the spline matching hole 66 and the spline shaft 3 are in sliding fit.

[0036] In the embodiment, the rack groove 11 is formed on both sides of the outer frame 1, and the engaging gear 61 is inserted into the rack groove 11 away from the rear cover 5 of the shell, and the engaging gear 61 and the rack groove 11 are in meshing engagement.

[0037] By adopting the above technical scheme, the spline shaft 3 is rotated by cooperating with the matching groove 31 by using a special tool, the spline shaft 3 and the spline matching hole 66 are in mutual cooperation, the driving worm 65 is driven to rotate, the transmission shaft 63 is coaxially arranged between the driven worm wheel 64 and the transmission gear 62, and the transmission gear 62 is driven to rotate by cooperating with the driving worm 65 and the driven worm wheel 64, the engaging gear 61 arranged in a rectangular array is synchronously rotated by the meshing between the transmission gear 62 and the engaging gear 61, and finally the DC screen hanging bracket is driven to move downward by the meshing between the engaging gear 61 and the rack groove 11, and then the DC screen is installed on the side of the DC screen hanging bracket, so that the DC screen can be installed at a low place, workers do not need to climb to install the DC screen, and the safety during installation of the DC screen is improved.

[0038] In the embodiment, the bolt hole plate is integrally arranged on both sides of the outer frame 1, and the outer frame 1 is fixed to the installation position by the bolt hole plate, and the DC screen hanging bracket can slide up and down on the side of the outer frame 1, so that workers can install the DC screen.

[0039] Further, the outside of the slotted shell 51 is fixedly connected with the connecting bracket 7 in a symmetrical manner, and the DC screen hanging bracket is fixed to the rear end of the DC screen by the connecting bracket 7.

[0040] In the embodiment, the connecting bracket 7 has a U-shaped buckling frame 71, the U-shaped buckling frame 71 is fixedly connected to both sides of the slotted shell 51, each U-shaped buckling frame 71 is integrally provided with an inclined extension frame 72 at both ends, and a threaded hole plate 73 is welded to the end of the inclined extension frame 72 away from the U-shaped buckling frame 71.

[0041] Specifically, the threaded hole plate 73 is fixedly connected to the rear end of the DC screen by a bolt, and the DC screen moves up and down, and the DC screen also moves up and down by the connecting bracket 7.

[0042] The utility model discloses a working principle is: when using, first use special tool and cooperation groove 31 cooperation, to spline shaft stem 3 is rotated, spline shaft stem 3 and spline cooperation hole 66 intercoordination, drive worm 65 rotation is driven, because driven worm 64 and transmission gear 62 between transmission axle 63 coaxial arrangement, again cooperation drive worm 65 and driven worm 64 between intermeshing, drive transmission gear 62 rotation, through the meshing between transmission gear 62 and meshing gear 61, make meshing gear 61 synchronous rotation that is arranged in rectangular array, finally through the meshing between meshing gear 61 and rack recess 11, drive DC screen suspension frame whole downward movement, then place DC screen to the side of DC screen suspension frame, with the bolt of installation is threaded through screw hole plate 73 and DC screen fixed connection, after installing DC screen in low place, control spline shaft stem 3 reverse, make DC screen suspension frame through connecting support 7 drive DC screen and move to the installation position of high place, need not worker to install DC screen from high place, to improve the safety when installing DC screen.

[0043] It is obvious to those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0044] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A DC screen suspension apparatus, characterized by: The utility model provides a kind of DC panel suspension frame, including outer frame (1), the two ends of outer frame (1) are integrally provided with end triangular plate (2), two described end triangular plate (2) between movable connection has spline shaft rod (3), the inside of outer frame (1) movable connection has DC panel suspension frame; DC panel suspension frame includes symmetrically arranged shell front cover (4) and shell rear cover (5), and shell front cover (4) and shell rear cover (5) are fixedly connected with locking screw (8), and shell front cover (4) and shell rear cover (5) are also movably connected with drive assembly (6), and spline shaft rod (3) is drivingly connected with drive assembly (6).

2. The DC panel hanger of claim 1, wherein: The shell rear cover (5) includes a slotted housing (51), a plurality of bearing positioning columns (52) are integrally arranged in the slotted housing (51) in a rectangular array, a threaded locking hole (53) is formed in each of the bearing positioning columns (52), and the end of the locking screw (8) penetrates the shell front cover (4) and is threadedly connected with the threaded locking hole (53).

3. The DC panel hanger of claim 2, wherein: The drive assembly (6) includes a plurality of meshing gears (61) corresponding to the bearing positioning columns (52), a bearing is embedded in each of the meshing gears (61), and the inner ring of the bearing is interference-fitted with the bearing positioning column (52).

4. The DC panel hanger of claim 3, wherein: The drive assembly (6) further includes a plurality of transmission gears (62) symmetrically arranged, the transmission gears (62) are located between the plurality of meshing gears (61), and each of the transmission gears (62) is meshed with two meshing gears (61) on the side.

5. The DC panel hanger of claim 4, wherein: An interference-fitted transmission shaft (63) is arranged in each of the transmission gears (62), a limiting groove (54) is formed in the slotted housing (51) and matched with the transmission shaft (63), and the end of the transmission shaft (63) is inserted into the inside of the limiting groove (54).

6. The DC panel hanger of claim 5, wherein: An interference-fitted driven worm gear (64) is arranged at the end of each of the transmission shafts (63) away from the transmission gear (62), a driving worm (65) is arranged between the two driven worm gears (64), and the driving worm (65) is meshed with the driven worm gears (64), and the driving worm (65) is provided with a spline matching hole (66).

7. The DC panel hanger of claim 6, wherein: The driving worm (65) is movably connected with the shell front cover (4), and the two ends of the driving worm (65) extend to the outside of the shell front cover (4) through the shell front cover (4), the spline shaft rod (3) is inserted into the inside of the spline matching hole (66), and the spline matching hole (66) is slidingly matched with the spline shaft rod (3).

8. The DC panel hanger of claim 7, wherein: The inside of the outer frame (1) is provided with a rack groove (11) on both sides, the meshing gear (61) away from the shell rear cover (5) is inserted into the rack groove (11), and the meshing gear (61) and the rack groove (11) are meshed with each other.

Images