CN223316343U

CN223316343U - Frequency converter tipping arrangement

Info

Publication number: CN223316343U
Application number: CN202422720239.8U
Authority: CN
Inventors: 马靖
Original assignee: Siemens Rail Transit Equipment Tianjin Co ltd
Current assignee: Siemens Rail Transit Equipment Tianjin Co ltd
Priority date: 2024-11-07
Filing date: 2024-11-07
Publication date: 2025-09-09
Anticipated expiration: 2034-11-07

Abstract

The utility model provides a frequency converter overturning device. The turnover equipment comprises a supporting frame, a turnover driving mechanism and a lifting driving mechanism, wherein the turnover driving mechanism drives the gearbox to rotate so as to drive the turnover driving shaft to rotate, the turnover driving shaft drives the turnover frame to turn over, the lifting hand-operated wheel is connected with and drives a lifting chain, a matched rotating shaft arranged on the lifting fixing frame is also connected to the turnover frame, the lifting hand-operated wheel drives the lifting chain to rotate so as to drive a gear matched with the lifting chain, and the lifting fixing frame is driven to lift through the matching of a lead screw meshed with the gear. The technical scheme of the embodiment of the utility model can improve the efficiency of disassembling and installing the reactor, reduce the labor intensity of personnel, put an end to potential safety hazard and improve the product quality.

Description

Frequency converter tipping arrangement

Technical Field

The utility model relates to the field of rail transit, in particular to frequency converter overturning equipment.

Background

When the frequency converter is maintained, the reactor needs to be disassembled and assembled back after being subjected to cleaning test, the reactor mounting hole is formed in the bottom of the frequency converter, the turnover and the installation cannot be realized by manpower under the condition of not using turnover equipment, and if single manpower can cause potential safety hazards and simultaneously influence the product quality.

Disclosure of Invention

In order to achieve the above purpose, the utility model provides a frequency converter overturning device, which is used for improving the efficiency of disassembling and installing a reactor, reducing the labor intensity of personnel, avoiding potential safety hazards and improving the product quality.

The frequency converter turnover equipment comprises a supporting frame, a turnover driving mechanism, a matching rotating shaft and a hand shaking wheel, wherein the supporting frame comprises a bottom frame and two longitudinal frames, at least one guide limiting rod and a screw rod are arranged on each longitudinal frame, the turnover frame comprises at least one frequency converter fixing arm, the turnover driving mechanism comprises a turnover fixing frame, the guide limiting rod and the screw rod are arranged on the longitudinal frame in a penetrating mode, the speed changing box is arranged on the turnover fixing frame in a penetrating mode, the turnover driving shaft is connected to the speed changing box turnover shaking wheel and the turnover driving shaft, the turnover driving shaft is fixedly connected to the turnover frame and drives the speed changing box to further drive the turnover driving shaft to rotate, the turnover driving shaft drives the turnover frame to turn over, the lifting driving mechanism comprises a lifting fixing frame, a lifting wheel, the lifting wheel is arranged on the lifting fixing frame in a penetrating mode, the lifting chain is connected and drives the lifting fixing frame, the matching rotating shaft is arranged on the lifting fixing frame, the matching rotating shaft is connected to the turnover driving shaft and the lifting driving gear is matched with the lifting driving gear to lift the lifting fixing frame in a matching mode. The efficiency of dismantling and installing the reactor can be improved, the labor intensity of personnel is reduced, the potential safety hazard is stopped, and the product quality is improved.

Drawings

The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model.

Wherein, the

Fig. 1 is a schematic structural diagram of a frequency converter turnover device according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a frequency converter turnover device according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a tilting drive mechanism according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a lift driving mechanism according to an embodiment of the present utility model.

Fig. 5 is a schematic diagram of a structure after a frequency converter is installed according to an embodiment of the present utility model.

Fig. 6 is a partially enlarged schematic construction of a frequency converter according to an embodiment of the present utility model.

The reference numerals are explained as follows:

Numbering device	Meaning of
		100	Frequency converter tipping arrangement
101	Supporting frame
		1011	Bottom frame
1012	Longitudinal frame
		1013	Guiding limit rod
1014	Screw rod
		1015	Cross beam
1016	Movable wheel
		102	Roll-over stand
1021	Frequency converter fixing arm
		1022	Counterweight for vehicle
1023	Jack (Jack)
		1024	Fixing hole
103	Turnover driving mechanism
		1031	Gear box
1032	Turnover hand-operated wheel
		1033	Turnover fixing frame
1034	Turnover driving shaft
		1035	Positioning block
1036	Positioning pin
		104	Lifting driving mechanism
1041	Lifting fixing frame
		1042	Lifting chain
1043	Matched rotary shaft

Detailed Description

For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than as described herein, and therefore the present utility model is not limited to the specific embodiments disclosed below.

As used in the specification and in the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus.

The overturning and the installation can not be realized by manpower without the help of overturning equipment, and if the single manpower can cause potential safety hazard and simultaneously influence the product quality. The weight of the installed reactor is 300 kg, the reactor can not be installed by the turnover frequency converter by manpower, and serious potential safety hazards can be caused by the installation of people from the bottom of the frequency converter, meanwhile, the product quality is influenced, and the working hours are wasted.

Thus, a more efficient inverter flip device is provided.

As shown in fig. 1 to 6, a frequency converter turning apparatus includes:

the support frame 101 comprises a bottom frame 1011 and two longitudinal frames 1012, wherein each longitudinal frame is provided with at least one guiding limit rod 1013 and a screw 1014.

The roll-over stand 102 includes at least one inverter fixing arm 1021.

The turnover driving mechanism 103 comprises a turnover fixing frame 1033 penetrating through the guide limit rod 1013 and the screw rod 1014 on one side of the longitudinal frame, a gearbox 1031 arranged on the turnover fixing frame and connected to a turnover hand-operated wheel 1032 and a turnover driving shaft 1034 of the gearbox 1031, wherein the turnover driving shaft 1034 is fixedly connected to the turnover frame 102, the turnover hand-operated wheel 1032 drives the gearbox 1031 to drive the turnover driving shaft 1034 to rotate, and the turnover driving shaft 1034 drives the turnover frame 102 to turn.

The lifting driving mechanism comprises a lifting fixing frame 1041 penetrating through the guiding limit rod 1013 and the screw rod 1014 on the longitudinal frame on the other side, a lifting hand wheel arranged on the lifting fixing frame 1041, a lifting chain 1042 connected with and driven by the lifting hand wheel, and a matched rotating shaft arranged on the lifting fixing frame 1041 and connected to the roll-over stand 102, wherein the lifting hand wheel drives the lifting chain 1042 to drive a gear matched with the lifting chain 1042 in a rotating manner, and then drives the lifting fixing frame 1041 to lift through the matching of the screw rod meshed with the gear.

In one embodiment, the two longitudinal frames are fixedly connected by a cross beam 1015.

In one embodiment, the bottom frame 1011 has a moving wheel 1016 mounted on the bottom thereof.

In one embodiment, the roll-over stand 102 is fitted with a counterweight 1022.

In one embodiment, the lifting frame 1041 is provided with a positioning block 1035 and a positioning pin 1036.

In one embodiment, the roll-over stand 102 is provided with a jack 1023, and the jack 1023 is matched with the positioning block 1035 and the positioning pin 1036 to fix the roll-over stand 102.

In one embodiment, the inverter fixing arm 1021 is provided with a fixing hole 1024 for fixing the inverter 200 with a fixing component.

Specifically, can turn to the horizontal position with the roll-over stand, push to the case converter body above, align and fasten the fastening point of box hanging beam and roll-over stand, the last removal wheel lock that needs tipping arrangement is dead. The assembly personnel need hand lifting hand wheel, rise the box, hand upset platform overturn 180 with the box, the ascending position of reactor to insert the locating pin and lock and die, prevent the box slope. When the reactor is disassembled and assembled, one person can stand on the ladder, and the overhead travelling crane is matched with the ladder. After the work is finished, reversely overturning to an initial position, placing the wood pier to a bearing position point, manually shaking the wood pier by the overturning frame, dismantling the screw rod, and removing the overturning equipment.

It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model. Those skilled in the art will be able to adapt them to a particular application without departing from the principles of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

As used herein, directional terms such as "front", "front side", "front", "rear side", and "rear" are used with reference to the fore-aft direction of a vehicle in which components are mounted to the vehicle. As referred to herein, "longitudinal", "longitudinal section" are referenced to the fore-and-aft direction of the component after installation in a vehicle, while "transverse", "cross section" are referenced to the longitudinal direction.

It should be understood that although the present disclosure has been described in terms of various embodiments, not every embodiment is provided with a separate technical solution, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the technical solutions in the various embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent alterations, modifications and combinations thereof will be effected by those skilled in the art without departing from the spirit and principles of this utility model, and it is intended to be within the scope of the utility model.

Claims

1. A frequency converter flipping apparatus (100), characterized in that the flipping apparatus comprises:

The support frame (101) comprises a bottom frame (1011) and two longitudinal frames (1012), wherein each longitudinal frame is provided with at least one guiding limiting rod (1013) and a lead screw (1014);

a roll-over stand (102) comprising at least one inverter fixing arm (1021);

The turnover driving mechanism (103) comprises a turnover fixing frame (1033) penetrating through the guide limit rod (1013) and the screw rod (1014) on one side of the longitudinal frame, a gearbox (1031) arranged on the turnover fixing frame, and a turnover hand wheel (1032) and a turnover driving shaft (1034) connected to the gearbox (1031), wherein the turnover driving shaft (1034) is fixedly connected to the turnover frame (102), the turnover hand wheel (1032) rotationally drives the gearbox (1031) and further drives the turnover driving shaft (1034) to rotate, and the turnover driving shaft (1034) drives the turnover frame (102) to turn;

The lifting driving mechanism comprises a lifting fixing frame (1041) penetrating through the guiding limit rod (1013) and the screw rod (1014) on the longitudinal frame on the other side, lifting hand wheels arranged on the lifting fixing frame (1041), lifting chains (1042) connected and driven by the lifting hand wheels, and a matched rotating shaft arranged on the lifting fixing frame (1041) and further connected to the roll-over frame (102), wherein the lifting hand wheels rotationally drive the lifting chains (1042) to further drive gears matched with the lifting chains (1042), and the lifting fixing frame (1041) is driven to lift through the matching of the screw rods meshed with the gears.

2. The apparatus of claim 1, wherein the two longitudinal frames are fixedly connected by a cross member (1015).

3. The apparatus of claim 1, wherein the bottom frame (1011) has a moving wheel (1016) mounted to the bottom thereof.

4. The apparatus according to claim 1, characterized in that the roll-over stand (102) is fitted with a counterweight (1022).

5. The apparatus of claim 1, wherein the lifting fixture (1041) is fitted with a positioning block (1035) and a positioning pin (1036).

6. The apparatus of claim 5, wherein the roll-over stand (102) is provided with a jack (1023), and the jack (1023) is matched with the positioning block (1035) and the positioning pin (1036) for fixing the roll-over stand (102).

7. The apparatus of claim 1, wherein the inverter fixing arm (1021) is provided with a fixing hole (1024) for fixing the inverter (200) with a fixing assembly.