CN219428111U - Fixing structure of narrow space device - Google Patents

Abstract

The utility model belongs to the field of rail transit, in particular to a fixing structure of a device in a narrow space, which comprises a power module and an output contactor assembly, wherein the power module is connected with the output contactor assembly; the power module and the output contactor assembly are both arranged on the cabinet body, and the output contactor assembly comprises a large mounting plate, a first mounting assembly and a second mounting assembly; the first mounting assembly comprises a sensor mounting plate and a voltage sensor, and the voltage sensor is mounted on the sensor mounting plate; the second installation component comprises a first installation component and a support frame, and the first installation component is fixedly installed on the support frame; the second mounting assembly is mounted at the bottom of the large mounting plate. Compared with the prior art, the device is provided with the split type connection mode, the device which cannot be integrally dismantled originally is installed on the large component in the form of the small component, and the device is quickly and integrally disassembled and reasonably utilized in space in the form of less bolt fixing.

Description

Fixing structure of narrow space device

Technical Field

The utility model belongs to the field of rail transit, and particularly relates to a fixing structure of a device in a narrow space.

Background

At present, the field of rail transit (subway) is very compact in structural layout, so that the design problem is that the device which is frequently overhauled or vulnerable is considered to realize independent disassembly and maintenance, namely when the vulnerable device at a certain position is disassembled, the vulnerable part can be disassembled by reducing other parts as much as possible, the purpose of independent maintenance and disassembly is achieved, and most of the workload is reduced.

The conventional design is characterized in that the operation is performed by manually fumbling in a blind area in a narrow installation environment, so that the operation process is troublesome and complex, and the efficiency is low; in addition, when the vulnerable part is installed, the position away from the original area to be accessed is far away from the vulnerable part, and the connected lead wires are lengthened and connected, so that the wiring is inconvenient, and the problems of mutual interference among parts and the like are easily caused by the mode.

Disclosure of Invention

The utility model aims to provide a fixing structure of a device in a narrow space, so as to meet the requirements of installing and detaching parts in a narrow installation environment, simplify the installation and detachment procedures, avoid the mutual interference among the parts, improve the efficiency and the like.

The technical solution for realizing the purpose of the utility model is as follows: a fixing structure of a narrow space device comprises a power module and an output contactor assembly; the power module and the output contactor assembly are both arranged on the cabinet body, and the output contactor assembly comprises a large mounting plate, a first mounting assembly and a second mounting assembly; the first mounting assembly comprises a sensor mounting plate and a voltage sensor, and the voltage sensor is mounted on the sensor mounting plate; the second installation component comprises a first installation component and a support frame, and the first installation component is fixedly installed on the support frame; the second mounting assembly is mounted at the bottom of the large mounting plate.

Further, the support frame is provided with a rectangular hole.

Further, the bending edge of the sensor mounting plate is provided with a boss, the boss is matched with the rectangular hole of the support frame for mounting, positioning is formed, and meanwhile, effective mutual wrapping and limiting are formed.

Further, the output contactor assembly further includes a current sensor mounted on an upper portion of the large mounting plate.

Compared with the prior art, the utility model has the remarkable advantages that: through setting up split type connected form, with the device that can't wholly demolish originally, install on the big subassembly through the minor constituent form to through the fixed form of less bolt, realized the rational utilization of quick whole dismouting and space of device.

Drawings

FIG. 1 is a block diagram of an output contactor assembly;

FIG. 2 is a structural exploded view of the output contactor assembly;

FIG. 3 is a side elevational view of the output contactor assembly;

FIG. 4 is an internal block diagram of the output contactor assembly;

FIG. 5 is a block diagram of the output contactor assembly mounting environment;

FIG. 6 is an enlarged view of a portion of the output contactor assembly mounting environment;

FIG. 7 is a side view of the cabinet with the removable cover removed;

FIG. 8 is a diagram of a disassembly process 1 of a voltage sensor;

FIG. 9 is a diagram of a disassembly process 2 of the voltage sensor;

FIG. 10 is a diagram of a disassembly process 3 of the voltage sensor;

fig. 11 is a diagram of a disassembly process 4 of the voltage sensor.

In the figure: 1-cabinet, 2-power module, 3-output contactor subassembly, 3-1-big mounting panel, 3-2-support frame, 3-2-1-rectangular hole, 3-3-sensor mounting panel, 3-3-1-boss, 3-4-voltage sensor, 3-5-current sensor, 3-6-sensor fastening bolt.

Detailed Description

The utility model is further described with reference to the drawings and specific embodiments. The utility model provides a fixing structure of a device in a narrow space, which comprises a power module 2 and an output contactor assembly 3; the power module 2 and the output contactor 3 are both mounted on the cabinet 1.

1-3, wherein the output contactor assembly 3 includes a large mounting plate 3-1, a first mounting assembly and a second mounting assembly, a current sensor 3-5, a sensor fastening bolt 3-6; the first mounting assembly comprises a sensor mounting plate 3-3 and a voltage sensor 3-4, and the voltage sensor 3-4 is mounted on the sensor mounting plate 3-3; the second installation component comprises a first installation component and a support frame 3-2, and the first installation component is fixedly installed on the support frame 3-2; the second mounting assembly is mounted at the bottom of the large mounting plate 3-1.

As shown in fig. 4, the supporting frame 3-2 is provided with a rectangular hole 3-2-1, and the bending edge of the sensor mounting plate 3-3 is provided with a boss 3-3-1, so that the sensor mounting plate 3-2 can be positioned with the rectangular hole 3-2-1 of the supporting frame 3-2, and then effective mutual wrapping and limiting are formed, so that when the sensor mounting plate 3-3 is connected with the supporting frame 3-2, the sensor mounting plate is connected only through 2 combined bolts, and the effects of fixation and vibration resistance can be realized.

The power module 2 is arranged on the cabinet body 1, the output contactor assembly 3 is arranged at the corner inside the cabinet body 1, the left side of the output contactor assembly is the power module 2, the right side of the output contactor assembly is the skin of the cabinet body 1, and after wiring of the output contactor assembly is completed, the position of the space of the output contactor assembly 3 is limited by fixing wires and wiring binding.

Typically, if the current sensor 3-5 is to be removed, the mounting associated with the current sensor 3-5 need only be removed in the upper region of the output contactor assembly 3 for replacement. The installation position of the voltage sensor 3-4 is retracted inside the bottom of the large installation plate 3-1, the voltage sensor 3-4 is fastened through the sensor fastening bolt 3-6, the sensor fastening bolt 3-6 needs to be removed when the voltage sensor 3-4 is removed, the installation position of the sensor fastening bolt 3-6 can be blocked by a binding post at the output end of the voltage sensor 3-4, and normally, the voltage sensor 3-4 cannot be removed normally due to the limitation and the blocking of the space position and needs to be moved to a visible and operable area for operation, for example, the voltage sensor 3-4 is removed by using a tool such as an open spanner.

Therefore, the fixing structure of the narrow space device designed by the utility model is characterized in that the mounting structure is disassembled, the voltage sensor 3-4 is firstly mounted on the sensor mounting plate 3-3 through the sensor fastening bolt 3-6, then is mounted on the support frame 3-2 as a whole through 2 combined bolts, and then the output contactor assembly 3 is fixed in the cabinet body 1 through bolts, nuts and the like.

Under normal conditions, the vulnerable parts can be independently removed and installed, and maintenance can be performed only by removing a stack of parts in a large range;

in practical application, the present utility model is installed in a fixed structure of a device in a small space (in a case where the power module 2 is already installed), as follows, referring to fig. 5 to 11:

s1: mounting the electric components of the upper region, the current sensor 3-5, the bus bar, the support base and the like on the upper region of the large mounting plate 3-1;

s2: installing the supporting frame 3-2, and installing the supporting frame 3-2 in the bottom area of the large mounting plate 3-1 through combined screws;

s3: installing a voltage sensor, namely firstly fastening 5 voltage sensors 3-4 on a sensor mounting plate 3-3 through sensor fastening bolts 3-6, then plugging the voltage sensors into the inner area of a large mounting plate 1, fastening the voltage sensors with a support frame 3-2 through 2 combined bolts, and installing a movable cover plate on the side face of a cabinet body 1;

s4: the output contact assembly 3 is installed, the output contact assembly 3 is integrally placed into the cabinet body 1 to be fastened, and all wiring is completed at the same time.

Furthermore, in practical application, the disassembly operation of the fixing structure of the device in the narrow space is as follows:

upon removal of the voltage sensor 3-4,

s1: removing the wiring, firstly removing the wiring (the wiring terminals of input and output) on the sensor in the cabinet through a tool,

s2: after the corresponding movable cover plate outside the cabinet body 1 is removed, a tool is extended into the cabinet body 1 from a maintenance port on the side surface of the cabinet body 1, and 2 combined bolts are removed, as shown in fig. 7;

s3: the voltage sensors 3-4 at the sensor mounting plates 3-3 and 5 are pushed out of the large mounting plate 3-1 to the left, then the whole is obliquely outwards, finally upwards pulled out, and finally the whole is taken out of the cabinet body 1, as shown in fig. 8-11;

s4: the voltage sensor 3-4 is removed by means of a tool for maintenance and replacement.

The structure effectively utilizes the lower space of the large mounting plate 3-1, and under the condition that other parts are not dismantled, the tool cannot be unfolded, and under the split design, 2 combined bolts are used for fixing, so that the device in a narrow space is mounted and dismounted.

Claims (4)

1. A fixing structure of a narrow space device comprises a power module and an output contactor assembly; the power module and the output contactor assembly are both arranged on the cabinet body, and the output contactor assembly comprises a large mounting plate, a first mounting assembly and a second mounting assembly;

the first mounting assembly comprises a sensor mounting plate and a voltage sensor, and the voltage sensor is mounted on the sensor mounting plate;

the second installation component comprises a first installation component and a support frame, and the first installation component is fixedly installed on the support frame; the second mounting assembly is mounted at the bottom of the large mounting plate.

2. The small space device fixing structure according to claim 1, wherein the supporting frame is provided with a rectangular hole.

3. The fixing structure of the small space device according to claim 2, wherein the bending edge of the sensor mounting plate is provided with a boss, and the boss is matched with the rectangular hole of the supporting frame to form positioning, and meanwhile effective mutual wrapping and limiting are formed.

4. The small space device fixing structure of claim 1, wherein the output contactor assembly further comprises a current sensor mounted on an upper portion of the large mounting plate.