CN116299067A

CN116299067A - Transformer detection device

Info

Publication number: CN116299067A
Application number: CN202310593506.7A
Authority: CN
Inventors: 陈大伟; 仙永峰; 刘兴贵
Original assignee: Shandong Institute for Product Quality Inspection
Current assignee: Shandong Institute for Product Quality Inspection
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-06-23

Abstract

The utility model provides a transformer detection device, relates to transformer technical field, includes the frame, the frame top is equipped with the annular rail, be connected with detection mechanism on the annular rail, the inside elevating system that is equipped with of frame, the elevating system top is equipped with the clamping assembly that is used for fixed transformer; the lifting mechanism comprises a bottom plate, a lifter is arranged at the top of the bottom plate, and buffer plates are rotatably connected to two sides of a lifting platform at the top of the lifter; the lifting platform is characterized by further comprising a folding oil cylinder, wherein one end of the folding oil cylinder is connected to the bottom of the lifting platform, and the other end of the folding oil cylinder is connected to the bottom of the buffer plate; according to the utility model, the buffer plates with slopes are arranged on the two sides of the lifting platform, the transformer is transferred onto the lifting platform by using the traction equipment, and the lifting mechanism drives the transformer to rise to the detection range for voiceprint vibration detection, so that the transformer is prevented from being carried in a lifting mode, and the damage to the detection device and personnel caused by incorrect lifting mode or misoperation is avoided.

Description

Transformer detection device

Technical Field

The utility model relates to the technical field of transformers, in particular to a transformer detection device.

Background

A transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer) and the like. The transformer is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like.

When the transformer is used, the transformer is easy to be influenced by foreign objects, and then the deformation and other phenomena of the transformer are caused, so that the normal use of the transformer is influenced. In recent two years, research on the voiceprint vibration technology of the transformer is focused in China, the characteristic quantity of the voiceprint vibration of the transformer after winding deformation is changed, and related faults can be diagnosed by monitoring the voiceprint vibration.

The utility model discloses a transformer detection device, which is disclosed in Chinese patent publication No. CN215988328U, and is named as a transformer voiceprint vibration detection device, and comprises a transformer body, wherein a fixed plate is arranged at the bottom end of the transformer body, a connecting block is arranged at the bottom end of the fixed plate, a support is fixedly connected with the bottom end of the connecting block, a track is fixedly arranged on the support, a support is slidably arranged at the top end of the track, a vertical rod is fixedly arranged at the top end of the support, a solar cell panel is fixedly arranged at the top end of the vertical rod, a mounting plate is slidably arranged at one side of the vertical rod, which is close to the transformer body, an ICP sensor is fixedly arranged at one side of the mounting plate, which is close to the transformer body, and a PLC (programmable logic controller) and an alarm are fixedly arranged at one side of the vertical rod, which is far away from the transformer body. The beneficial effects of the utility model are as follows: through having set up ICP sensor and siren, when using, rotate through motor drive pivot, thereby make the pivot drive rotation gear rotate, at this moment, rotation gear passes through gear bar drive U type frame and motor one and moves on the track, thereby it moves to drive the support through U type frame, thereby make the support drive ICP sensor through riser and mounting panel and remove, simultaneously drive the screw rod through motor two and rotate, thereby make the screw rod drive slider carry out vertical ascending upper and lower removal in spout two, thereby drive the mounting panel through the slider and remove, and then drive ICP sensor through the mounting panel and remove, thereby can detect the voiceprint to the transformer body through the ICP sensor and with signal transmission to the PLC controller in, when the transformer body breaks down, can report to the police through the PLC controller at this moment, the utility model is simple in structure, and is convenient to use, can conveniently carry out voiceprint vibration detection to the transformer, simultaneously effectually reduced workman's intensity of labour. Although the utility model realizes the voiceprint vibration detection of the transformer, reduces the labor intensity, certain defects are also present: when the device is used for detecting voiceprint vibration of a medium-sized or medium-sized transformer, the device is generally placed on a fixed plate in a hoisting mode, and the transformer is easily fallen off due to incorrect hoisting mode or misoperation in the hoisting process, so that the detection equipment and personnel are damaged.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a transformer detection device which can solve the technical problems in the background art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the transformer detection device comprises a frame, wherein an annular track is arranged at the top of the frame, a detection mechanism is connected to the annular track, a lifting mechanism is arranged in the frame, and a clamping assembly for fixing a transformer is arranged at the top of the lifting mechanism; the lifting mechanism comprises a bottom plate, a lifter is arranged at the top of the bottom plate, a lifting platform is arranged at the top of the lifter, and buffer plates are rotatably connected to two sides of the lifting platform; the lifting platform is characterized by further comprising a folding oil cylinder, wherein one end of the folding oil cylinder is connected to the bottom of the lifting platform, and the other end of the folding oil cylinder is connected to the bottom of the buffer plate; the lifting platform is characterized in that a clamping assembly is arranged on the top surface of the lifting platform and comprises a fixed clamping plate and a movable clamping plate, the fixed clamping plate and the movable clamping plate are arranged along the length direction of the lifting platform, a sliding block is arranged at the bottom of the movable clamping plate, a sliding chute matched with the sliding block is formed in the top surface of the lifting platform, and one side, away from the fixed clamping plate, of the movable clamping plate is connected with an air cylinder.

Preferably, the number of the sliding blocks is two, the two sliding blocks are symmetrically arranged at the bottom of the movable clamping plate, and the number of the sliding grooves is matched with the number of the sliding blocks.

Preferably, the slider adopts an inverted T-shaped structure.

Preferably, the detection mechanism comprises a sliding trolley, the sliding trolley moves along an annular track, a vertical plate is connected to the top of the sliding trolley, and a voiceprint detection probe is arranged on a side plate surface of the vertical plate opposite to the lifting platform.

Preferably, the cavity is formed in the vertical plate, a threaded rod is arranged in the cavity, two ends of the threaded rod are fixedly supported through bearings respectively, a sliding block is connected to the threaded rod in a threaded mode, one side of the sliding block is connected with a mounting plate, and a voiceprint detection probe is arranged on the mounting plate.

Preferably, the motor is further included, and an output shaft of the motor is connected with the threaded rod through a coupler.

Preferably, the two side walls in the riser cavity are also provided with slide ways, and the mounting plate is in sliding connection in the slide ways.

Preferably, a controller and an alarm are further arranged on a side plate surface of the vertical plate, which is far away from the voiceprint detection probe.

Preferably, the four corners of the bottom of the frame are provided with adjustable support legs.

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

according to the utility model, the buffer plates with slopes are arranged on the two sides of the lifting platform, the transformer with the universal wheels is transferred onto the lifting platform by using traction equipment or manually, and the lifting mechanism drives the transformer to rise to the detection range for voiceprint vibration detection, so that the transformer is prevented from being carried in a lifting mode, and the damage to a detection device and personnel due to incorrect lifting mode or misoperation is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a front view of a transformer detection device according to the present utility model;

fig. 2 is a schematic diagram of a clamping assembly in a transformer detection device according to the present utility model;

fig. 3 is a schematic structural diagram of a detection mechanism in a transformer detection device according to the present utility model.

Reference numerals illustrate:

1-frame, 2-circular track, 3-transformer, 4-bottom plate, 5-lift, 6-buffer board, 7-folding hydro-cylinder, 8-fixed grip block, 9-movable grip block, 10-slider, 11-spout, 12-cylinder, 13-sliding trolley, 14-riser, 15-voiceprint detection probe, 16-threaded rod, 17-slider, 18-mounting plate, 19-motor, 20-controller, 21-alarm, 22-adjustable stabilizer blade.

Detailed Description

The utility model will now be described in detail, by way of example, with reference to the accompanying drawings, wherein it is evident that the embodiments described are only some, but not all, of the embodiments of the utility model.

As shown in fig. 1, 2 and 3, the utility model provides a transformer detection device, which comprises a frame 1, wherein adjustable support legs 22 are arranged at four corners of the bottom of the frame 1, and the height adjustment of a compensation lifting mechanism is facilitated by arranging the adjustable support legs 22, so that the transformer detection device is particularly suitable for cabinet type transformers with higher overall height. The top of the frame 1 is provided with an annular track 2, the annular track 2 is connected with a detection mechanism, a lifting mechanism is arranged in the frame 1, and the top of the lifting mechanism is provided with a clamping assembly for fixing the transformer 3; specifically:

further, in this embodiment, the lifting mechanism includes a base plate 4, a lifter 5 is disposed on top of the base plate 4, and a scissor-type lifter is adopted for the lifter 5; a lifting platform is arranged at the top of the lifter 5, and buffer plates 6 are rotatably connected to two sides of the lifting platform; the folding hydraulic lifting device further comprises folding hydraulic cylinders 7, wherein the folding hydraulic cylinders 7 are symmetrically arranged on two sides of the lifting machine 5, one end of each folding hydraulic cylinder 7 is connected with the bottom of the lifting platform, and the other end of each folding hydraulic cylinder 7 is connected with the bottom of the buffer plate 6;

first embodiment (left side up and down): when the device is used, the left folding oil cylinder 7 acts to drive the left buffer plate 6 to extend out to be in contact with the ground, the transformer 3 is pulled to the lifting platform from the left through the traction equipment, the lifting machine 5 drives the transformer 3 to lift to the detection range to detect the transformer 3, after detection, the lifting machine 5 descends until the slope bottom of the left buffer plate 6 is in contact with the ground again, and at the moment, the transformer 3 can be removed from the left buffer plate 6.

Second embodiment (right side up and down): when the device is applied, the right folding oil cylinder 7 acts to drive the right buffer plate 6 to extend out to contact with the ground, the transformer 3 is pulled to the lifting platform from the right through the traction equipment, the lifting machine 5 drives the transformer 3 to lift up to the detection range to detect the transformer 3, after detection, the lifting machine 5 descends until the slope bottom of the right buffer plate 6 contacts with the ground again, and at the moment, the transformer 3 can be removed from the right buffer plate 6.

Third embodiment (upper left right lower): when the device is used, the left folding oil cylinder 7 acts to drive the left buffer plate 6 to extend to be in contact with the ground, the transformer 3 is pulled to the lifting platform, the lifting machine 5 ascends to drive the transformer 3 to be detected within the detection range, after the detection is finished, the lifting machine 5 descends, the right folding oil cylinder 7 acts to drive the right buffer plate 6 to extend in the descending process, and after the right folding oil cylinder 7 descends to the lowest position, the slope bottom of the right buffer plate 6 is in contact with the ground, and at the moment, the transformer 3 can be removed from the right buffer plate 6.

Fourth embodiment (upper right, lower left): when the device is applied, the right folding oil cylinder 7 acts to drive the right buffer plate 6 to extend out to be in contact with the ground, the transformer 3 is pulled onto the lifting platform, the lifting machine 5 ascends to drive the transformer 3 to be detected within the detection range, after the detection is finished, the lifting machine 5 descends, the left folding oil cylinder 7 acts to drive the left buffer plate 6 to extend out in the descending process, and after the left folding oil cylinder 7 descends to the lowest position, the slope bottom of the left buffer plate 6 is in contact with the ground, and at the moment, the transformer 3 can be removed from the left buffer plate 6.

In the testing process, when the left side buffer plate 6 or the right side buffer plate 6 is not used, the left side buffer plate 6 or the right side buffer plate can be stored to the bottom of the lifting platform through the corresponding folding oil cylinder 7, so that space occupation can be reduced on one hand, and on the other hand, workers can be prevented from being injured by the impact.

Fifth embodiment (upper and lower as desired): when the device is applied, the folding oil cylinders 7 on two sides simultaneously act to drive the buffer plates 6 on two sides to extend out to be in contact with the ground, after the transformer 3 is pulled to the lifting platform, the lifting machine 5 drives the transformer 3 to rise to the detection range, and in the rising process, the two folding oil cylinders 7 can be contracted, so that the buffer plates 6 on two sides are driven to be stored to the bottom of the lifting platform, and the occupied space is reduced; after the detection is finished, the lifter 5 descends, and the folding oil cylinders 7 at the two sides simultaneously act again in the descending process to drive the buffer plates 6 at the two sides to extend out until the buffer plates are contacted with the ground, and the transformer 3 is removed at the moment.

Through all setting up buffer board 6 in lift 5 both sides, not only can realize about transformer 3 unilateral, can also realize about two side alternately, not receive transformer 3 position restriction, the flexibility ratio is higher.

Further, in this embodiment, be equipped with the clamping assembly on the lift platform top surface, the clamping assembly includes fixed grip block 8 and activity grip block 9, fixed grip block 8 and activity grip block 9 set up along lift platform length direction, activity grip block 9 bottom is equipped with slider 10, slider 10 adopts the T type structure of inversion, set up on the lift platform top surface with slider 10 cooperatees gliding spout 11, one side that fixed grip block 8 was kept away from to activity grip block 9 is connected with cylinder 12.

During clamping, the air cylinder 12 acts to drive the movable clamping plate 9 to move along the sliding groove 11 towards the fixed clamping plate 8, so that the transformer 3 with the universal wheels is fixed, and the movable clamping plate 9 is arranged to facilitate clamping of the transformers 3 with different sizes, so that the practicability is high.

Further, in this embodiment, the number of the sliding blocks 10 is two, the two sliding blocks 10 are symmetrically disposed at the bottom of the movable clamping plate 9, and the number of the sliding grooves 11 is matched with the number of the sliding blocks 10, so as to facilitate ensuring the stability of the movable clamping plate 9 during moving.

Further, in this embodiment, the detection mechanism includes a sliding trolley 13, the sliding trolley 13 moves along the circular track 2, a riser 14 is connected to the top of the sliding trolley 13, and a voiceprint detection probe 15 is disposed on a side plate surface of the riser 14 opposite to the lifting platform. During detection, the sliding trolley 13 moves on the annular track 2 to drive the voiceprint detection probe 15 to detect the transformer 3.

Further, in this embodiment, the inside cavity that has seted up of riser 14, be equipped with threaded rod 16 in the cavity, threaded rod 16 both ends are respectively through bearing fixed support, threaded rod 16 is last threaded connection has slider 17, slider 17 one side is connected with mounting panel 18, be equipped with voiceprint detection probe 15 on the mounting panel 18, still include motor 19, be connected with threaded rod 16 through the shaft coupling on the output shaft of motor 19.

Through setting up cavity, threaded rod 16, sliding block 17 and motor 19, motor 19 drive threaded rod 16 rotates, and then drives sliding block 17 and voiceprint detection probe 15 up-and-down motion, does benefit to the realization and detects transformer 3 different positions, and the detection precision is high.

Further, in this embodiment, the two side walls in the cavity of the riser 14 are further provided with a slide rail, the mounting plate 18 is slidably connected in the slide rail, and the slide rail is configured to facilitate guiding the up-and-down movement of the mounting plate 18.

Further, in this embodiment, a controller 20 and an alarm 21 are further disposed on a side surface of the riser 14 away from the voiceprint detection probe 15. In application, the voiceprint detection probe 15 transmits detection signals to the controller 20, and when the transformer 3 fails, the controller 20 controls the alarm 21 to alarm.

Working principle: the medium-sized or medium-sized transformer 3 is pulled to the lifting platform through the traction equipment, the air cylinder 12 acts to drive the movable clamping plate 9 to move towards the fixed clamping plate 8, and then the clamping and fixing of the transformer 3 are realized; after the transformer 3 is fixed, the lifter 5 is lifted, the transformer 3 is lifted to the detection area, the position of the voiceprint detection probe 15 is adjusted, the voiceprint detection probe 15 is driven by the sliding trolley 13 to detect the transformer 3, detection signals are transmitted to the controller 20, and when the transformer 3 breaks down, the controller 20 controls the alarm 21 to alarm. After the detection is finished, the lifter 5 drives the transformer 3 to descend, and finally the transformer 3 is removed from the lifting platform.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, shall cover the scope of the present utility model by equivalent substitution or modification according to the technical scheme of the present utility model and the application concept thereof.

Claims

1. The utility model provides a transformer detection device, includes frame (1), frame (1) top is equipped with annular rail (2), be connected with detection mechanism on annular rail (2), its characterized in that: a lifting mechanism is arranged in the frame (1), and a clamping assembly for fixing the transformer (3) is arranged at the top of the lifting mechanism;

the lifting mechanism comprises a bottom plate (4), a lifter (5) is arranged at the top of the bottom plate (4), a lifting platform is arranged at the top of the lifter (5), and buffer plates (6) are rotatably connected to two sides of the lifting platform;

the lifting platform further comprises a folding oil cylinder (7), one end of the folding oil cylinder (7) is connected to the bottom of the lifting platform, and the other end of the folding oil cylinder is connected to the bottom of the buffer plate (6);

the lifting platform is characterized in that a clamping assembly is arranged on the top surface of the lifting platform, the clamping assembly comprises a fixed clamping plate (8) and a movable clamping plate (9), the fixed clamping plate (8) and the movable clamping plate (9) are arranged along the length direction of the lifting platform, a sliding block (10) is arranged at the bottom of the movable clamping plate (9), a sliding chute (11) matched with the sliding block (10) is formed in the top surface of the lifting platform, and one side, away from the fixed clamping plate (8), of the movable clamping plate (9) is connected with an air cylinder (12).

2. A transformer testing device according to claim 1, wherein: the number of the sliding blocks (10) is two, the two sliding blocks (10) are symmetrically arranged at the bottom of the movable clamping plate (9), and the number of the sliding grooves (11) is matched with the number of the sliding blocks (10).

3. A transformer detection apparatus as claimed in claim 2, wherein: the sliding block (10) adopts an inverted T-shaped structure.

4. A transformer testing device according to claim 1, wherein: the detection mechanism comprises a sliding trolley (13), the sliding trolley (13) moves along the annular track (2), a vertical plate (14) is connected to the top of the sliding trolley (13), and a voiceprint detection probe (15) is arranged on one side plate surface, opposite to the lifting platform, of the vertical plate (14).

5. A transformer testing device according to claim 4, wherein: the novel voice-print detection device is characterized in that a cavity is formed in the vertical plate (14), a threaded rod (16) is arranged in the cavity, two ends of the threaded rod (16) are fixedly supported through bearings respectively, a sliding block (17) is connected to the threaded rod (16) in a threaded mode, one side of the sliding block (17) is connected with a mounting plate (18), and a voice-print detection probe (15) is arranged on the mounting plate (18).

6. A transformer testing device according to claim 5, wherein: the motor (19) is further included, and an output shaft of the motor (19) is connected with the threaded rod (16) through a coupler.

7. The transformer detection device of claim 6, wherein: slide ways are further arranged on two side walls in the cavity of the vertical plate (14), and the mounting plate (18) is connected in the slide ways in a sliding mode.

8. A transformer testing device according to claim 4, wherein: a controller (20) and an alarm (21) are further arranged on a side surface, far away from the voiceprint detection probe (15), of the vertical plate (14).

9. A transformer testing device according to claim 1, wherein: the four corners of the bottom of the frame (1) are provided with adjustable supporting legs (22).