CN209786426U - GGD low-voltage switchgear - Google Patents

Abstract

The utility model relates to a GGD low-voltage switch cabinet, which comprises a cabinet body frame, wherein the cabinet body frame comprises longitudinal beams arranged at two sides, a first side beam used for installing a bus frame, an inner stand column and a second side beam which is connected with the inner stand column and transversely arranged; the first side cross beam divides the upper space of the cabinet frame into a bus chamber, and the inner upright post and the second side cross beam divide the lower space of the cabinet frame into a cable chamber, a switch chamber and a circuit protection chamber. The utility model discloses to set up generating line room top into opening the form, set up traditional cabinet body generating line mounting means into embedded by the formula of wearing into, be applicable to many cabinet bodies and piece together the cabinet installation, avoided in traditional mounting means perforating at the cabinet body and the defect that penetrates the generating line one by one, make the female system of arranging of mechanical hoist and mount installation become reality, promoted the convenience and the efficiency of installation, make things convenient for the equipment maintenance.

Description

GGD low-voltage switchgear

Technical Field

The utility model belongs to the technical field of the low-voltage switchgear, especially, relate to a GGD low-voltage switchgear.

Background

The low-voltage switch cabinet is responsible for completing the work of control, protection, measurement, conversion, distribution and the like of electric energy in a low-voltage power supply system. Referring to fig. 1, in a conventional GGD switchgear commonly used at present, a lateral upper beam 3 is arranged between a bus chamber 1 and a bus chamber top cover plate 2, when a bus is installed in the bus chamber, penetrating installation is adopted, the bus needs to penetrate through cabinets one by one from the last cabinet body, the bus cannot be fixed in the installation process, and installation is inconvenient and inefficient.

Referring to fig. 2, when the conventional GGD switch cabinet is insufficient in installation space, the side upper cross beam 3 needs to be removed, the bus bar is installed, the "bolt 61-flat pad 62" penetrates through the side cross beam 4 and the longitudinal beam 5, the "flat pad 62-spring washer 63" is installed, the bus bar is fastened by the nut 64, and the bus bar roof cover plate 2 is covered to complete installation. The parts operated by the installation mode are complex, a large amount of manual tedious operations are required, and the production efficiency is low.

Because, aiming at the defects of the existing low-voltage switch cabinet, the structure of the existing GGD low-voltage switch cabinet needs to be improved, so that the existing GGD low-voltage switch cabinet can adopt machinery to replace manual labor to complete production operation, and can adopt robot operation during mass production.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that above-mentioned current low-voltage switchgear exists, provide a novel GGD low-voltage switchgear, set up to open the form with generating line room top, set up traditional cabinet body generating line mounting means into embedded by the formula of wearing into, promoted the convenience and the installation effectiveness of installation, made things convenient for the equipment maintenance.

In order to achieve the purpose, the utility model provides a GGD low-voltage switch cabinet, which comprises a cabinet body frame, wherein the cabinet body frame comprises longitudinal beams arranged at two sides, a first side beam used for installing a bus frame, an inner upright post and a second side beam which is connected with the inner upright post and transversely arranged, two ends of the first side beam are respectively welded on the longitudinal beams, and two ends of the second side beam are fixedly connected on the longitudinal beams through self-locking screws; the first side cross beam divides the upper space of the cabinet body frame into a bus chamber, and the inner upright post and the second side cross beam divide the lower space of the cabinet body frame into a cable chamber, a switch chamber and a circuit protection chamber.

Preferably, the second side cross beam is arranged to be multiple, and comprises a second side cross beam main beam connected with two ends of the inner upright post and a second side cross beam supporting beam connected with the middle of the inner upright post.

Preferably, the longitudinal beam is provided with a plurality of first connecting holes along the height direction, each second side cross beam is provided with a plurality of module holes capable of being clamped with floating nuts along the length direction, and a self-locking screw penetrates through the first connecting holes and is matched with the floating nuts in the module holes at the two ends of the second side cross beam, so that the second side cross beam is fixed on the longitudinal beam.

Preferably, a plurality of second connecting holes are formed in the inner upright column in the height direction, and self-locking screws penetrate through the second connecting holes and are matched with floating nuts clamped in the module holes of the second side cross beam, so that the second side cross beam is fixed on the inner upright column.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model provides a GGD low-voltage switchgear, generating line room structural style sets up generating line room top for opening the form for detaching traditional GGD low-voltage switchgear's side entablature, sets up traditional cabinet body generating line mounting means into embedded by the formula of wearing into, is applicable to many cabinet bodies and pieces together the cabinet installation, has avoided perforating at the cabinet body and the defect that penetrates the generating line one by one in traditional mounting means. Meanwhile, the bus can be directly fixedly installed after being embedded, the defect that the bus cannot be fixed in the traditional bus installation process is overcome, the structure is simple, the installation of the bus system by mechanical hoisting is realized, the installation convenience and the installation efficiency are improved, and the equipment maintenance is facilitated.

Meanwhile, the first side cross beam provided with the bus frame is directly welded to the longitudinal beam, so that the rigidity of the whole cabinet body structure is ensured; the second side cross beam is arranged on the longitudinal beam and the inner upright post through the self-locking screw, the self-locking screw replaces complex parts such as original bolts, flat pads, spring gaskets and nuts, the self-locking screw can be driven into the self-locking screw by using a pneumatic gun, the production efficiency is improved, the manufacture, the installation and the maintenance are convenient, and the operation, the maintenance, the upgrading and the transformation in future are convenient.

Drawings

FIG. 1 is a diagram of a conventional GGD low-voltage switchgear cabinet;

FIG. 2 is a partial enlarged view of a conventional GGD low-voltage switch cabinet;

The bus bar comprises a bus bar chamber 1, a bus bar chamber top cover plate 2, a side upper cross beam 3, a side cross beam 4, a side longitudinal beam 5, a bolt 61, a flat pad 62, a spring gasket 63 and a nut 64;

Fig. 3 is a structure diagram of the GGD low-voltage switchgear of the present invention;

Fig. 4 is a partially enlarged view of the GGD low-voltage switchgear of the present invention;

The bus bar comprises 1-longitudinal beam, 11-first connecting hole, 2-first side cross beam, 3-inner upright post, 31-second connecting hole, 4-second side cross beam, 41-second side cross beam main beam, 42-second side cross beam supporting beam, 43-modulus hole, 5-self-locking screw, 51-floating nut, 6-bus chamber, 61-bus frame and 7-bus chamber top cover.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are partial embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the drawings described above, are intended to cover non-exclusive inclusions. For example, a process, method, or system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order.

Referring to fig. 3 and 4, the utility model provides a GGD low-voltage switchgear, including cabinet body frame, cabinet body frame is including setting up in longeron 1 of both sides, the first side rail 2, the inner column 3 that are used for installing the bus frame and connecting inner column 3 and the horizontal second side rail 4 that sets up. The two ends of the first side cross beam 2 are respectively welded on the longitudinal beams 1 at the two sides, so that the rigidity of the whole cabinet body structure is ensured. The two ends of the second side cross beam 4 are fixedly connected to the longitudinal beams 1 on the two sides through self-locking screws 5, and the second side cross beams 4 are arranged to be multiple and comprise second side cross beam main beams 41 connected with the two ends of the inner upright 3 and second side cross beam supporting beams 42 connected with the middle of the inner upright 3. The first side cross member 2 partitions the upper space of the cabinet frame into a bus bar room 6, and the inner column 3 and the second side cross member 4 partition the lower space of the cabinet frame into a cable room, a switch room, a circuit protection room, and the like.

Wherein, longerons 1 of both sides is provided with a plurality of first connecting holes 11 along the direction of height, and each second side crossbeam 4 both ends are provided with the module hole 43 that can joint floating nut, and self-locking screw 5 passes first connecting hole 11 and cooperatees with the floating nut 51 of card setting in second side crossbeam 4 both ends module hole 43, makes second side crossbeam 4 fix on longerons 1 of both sides. A plurality of second connecting holes 31 are arranged on the inner upright post 3 along the height direction, and the self-locking screw 5 passes through the second connecting holes 31 of the inner upright post 3 and is matched with a floating nut 51 clamped in a modulus hole 43 of the second side cross beam 4, so that the second side cross beam 4 is fixed on the inner upright post 3. During installation, the modulus holes 43 on the second side cross beam 4 are aligned with the first connecting holes 11 on the longitudinal beams 1 and the second connecting holes 31 of the inner upright posts 3, self-locking screws 5 are driven into the holes by using a pneumatic gun, two ends of the second side cross beam 4 are installed on the front and rear longitudinal beams 1, and the second side cross beam 4 is fixed on the inner upright posts 3. In the embodiment, the M8 pan head triangular tooth self-locking screw is adopted to replace the original complex parts such as a bolt, a flat pad, a spring gasket and a nut, and the self-locking screw is installed at one time by using an electric tool. M8 pan head triangle tooth self-locking screw is newly-increased series product in GB/T6560-2014, and this screw thread makes the normal force that contacts produced between the screw thread and the bolt axle become 60 jiaos owing to the angle change of profile of tooth, makes normal pressure be greater than fastening pressure far away, and the locking frictional force greatly increased that produces has improved the installation fastness of second side crossbeam. And the maintenance is convenient, the manufacturing process is simplified, the whole production time of the GGD switch cabinet is shortened, the manufacturing cost is reduced, and the installation efficiency is improved.

In this embodiment, the longitudinal beams 1 and the inner upright posts 3 on the two sides of the cabinet body are provided with a series of connecting holes along the height direction, the second side cross beam 4 is provided with a series of module holes 43 matched in size along the length direction, and the floating nuts can be clamped on the module holes 43. The processing in connecting hole and modulus hole can not harm interior pillar, longeron and second side crossbeam, and second side crossbeam 4 matches through self-locking screw 5 and card and establishes on longeron 1 and the interior pillar 3 that is fixed in both sides in the floating nut 51 in modulus hole, and this makes second side crossbeam 4 can be quick, firm be fixed in interior pillar 3 and longeron 1 on, makes interior pillar 3 and longeron 1 can not receive the harm. Simultaneously, many second side rails 4 that set up according to actual need can follow the arbitrary high installation of longeron 1, and the interior post 3 can be installed on the arbitrary length direction of second side rail 4 along, and interior post 3 separates the cabinet body frame lower part space left and right sides with second side rail 4 and establishes into sufficient space, can set up to a plurality of rooms according to actual need, adjusts the size of each room, and easy to assemble and dismantlement practice thrift GGD cabinet space. This embodiment is satisfying under the condition that cabinet body installation required, the mounting means of this kind of structure, and the connection is simple, and installation space is big, makes things convenient for preparation and installation maintenance, and simple structure, compactness are firm, safe convenient and practical to be convenient for operation maintenance and upgrading transformation from now on.

meanwhile, as shown in fig. 1 and fig. 3, the conventional GGD lateral upper cross beam is removed in the embodiment, the first lateral cross beam 2 for installing the bus frame 61 is directly welded to the longitudinal beams 1 on the two sides, the bus frame is directly provided with an open bus chamber structure above, when the bus bar system is installed, only the bus chamber top cover 7 needs to be opened, the bus bar is embedded into the bus chamber in the cabinet body, the defects that the cabinet body is perforated and the bus bar penetrates through the cabinet body one by one in the conventional installation mode are overcome, the installation of the bus bar by mechanical hoisting is realized, and the installation efficiency of the bus bar system is improved.

To sum up, the utility model discloses a GGD low-voltage switchgear sets up traditional cabinet body generating line mounting means to embedded by the formula of wearing into, is applicable to many cabinet bodies and pieces together the cabinet installation, assembles the completion back between the cabinet body and the cabinet body, installer only need with the generating line room top cap of all cabinet bodies open, with generating line embedding cabinet internal generating line room can, avoided in traditional mounting means perforating at the cabinet body and the defect that penetrates the generating line one by one. Meanwhile, the bus can be directly fixedly installed after being embedded, the defect that the bus cannot be fixed in the traditional bus installation process is overcome, the installation convenience and the installation efficiency are improved, and the equipment maintenance is facilitated.

Claims (4)

1. The GGD low-voltage switch cabinet comprises a cabinet body frame and is characterized in that the cabinet body frame comprises longitudinal beams arranged on two sides, a first side cross beam used for installing a bus frame, an inner upright post and a second side cross beam which is connected with the inner upright post and transversely arranged, wherein two ends of the first side cross beam are respectively welded on the longitudinal beams, and two ends of the second side cross beam are fixedly connected to the longitudinal beams through self-locking screws; the first side cross beam divides the upper space of the cabinet body frame into a bus chamber, and the inner upright post and the second side cross beam divide the lower space of the cabinet body frame into a cable chamber, a switch chamber and a circuit protection chamber.

2. The GGD low-voltage switch cabinet according to claim 1, wherein the second side beams are arranged in a plurality of strips and comprise second side beam main beams connected with two ends of the inner upright column and second side beam support beams connected with the middle of the inner upright column.

3. The GGD low-voltage switch cabinet according to claim 2, wherein the longitudinal beam is provided with a plurality of first connecting holes along the height direction, each second side beam is provided with a plurality of modulus holes capable of clamping floating nuts along the length direction, and self-locking screws penetrate through the first connecting holes and are matched with the floating nuts clamped in the modulus holes at two ends of the second side beam, so that the second side beam is fixed on the longitudinal beam.

4. The GGD low-voltage switch cabinet according to claim 3, wherein a plurality of second connecting holes are formed in the inner upright column in the height direction, and self-locking screws penetrate through the second connecting holes and are matched with floating nuts clamped in the module holes of the second side beam, so that the second side beam is fixed on the inner upright column.