CN217132827U - Transformer resistance to compression testing arrangement - Google Patents
Transformer resistance to compression testing arrangement Download PDFInfo
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- CN217132827U CN217132827U CN202220622341.2U CN202220622341U CN217132827U CN 217132827 U CN217132827 U CN 217132827U CN 202220622341 U CN202220622341 U CN 202220622341U CN 217132827 U CN217132827 U CN 217132827U
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Abstract
The utility model discloses a transformer compression testing device, which comprises a main frame, a bearing platform, a pressure head, a pulley, a pressurizing unit, a rope and a protective cover, wherein the main frame is of a four-column frame structure, the bearing frame is arranged on a bottom plate of the main frame, the bearing platform is arranged at the top of the main frame, the end part of the pressurizing unit is arranged in the middle of a top plate of the main frame by a flange, the working end of the pressurizing unit is connected with the pressure head, and the pressure head faces to the lower bearing platform; the protective cover is cylindrical and is sleeved on the periphery of the bearing frame, the top end of the protective cover is connected with one end of a rope, the rope is connected to the back face of the pressure head after bypassing the pulley, and the pulley is arranged on a top plate of the main rack; at least two sets of pulleys and ropes are arranged symmetrically around the vertical axis of the pressing unit. The utility model discloses transformer resistance to compression testing arrangement adopts fixed plummer, has guaranteed sufficient bearing strength, and the guard shield is automatic to go upward when pressurizeing simultaneously and protects, and the security is good.
Description
Technical Field
The utility model relates to a transformer manufacturing technical field especially relates to a transformer resistance to compression testing arrangement.
Background
The transformer in some special working occasions needs to be subjected to pressure resistance test before leaving factory. The original utility model patent of applicant CN2019211157046.9 discloses a transformer resistance to compression testing arrangement convenient to regulated pressure, including chassis, pressure sensor and second hydraulic stretching pole, the inside of chassis is provided with the protection casing, pressure sensor installs the inside at the workstation, the spout has all been seted up to the inboard of base and workstation, be connected with the bracing piece between first armed lever and the second armed lever, the right side top of chassis is connected with the support, the below of second hydraulic stretching pole is provided with the roof, the left side of backup pad is provided with the stripper plate, and the bottom of stripper plate is connected with the top of roof, the below of roof is provided with the stripper plate, the top of sliding sleeve is provided with the spring. This transformer compressive capacity testing arrangement convenient to regulated pressure, the regulated pressure size of being convenient for, the transformer of equidimension not of being convenient for uses, is convenient for wrap up the transformer, avoids appearing the broken people that injure of transformer in the in-process that detects.
However, the whole structure of the device is complex, and the practicability is not good. In practical use, the lifting platform formed by the first arm rod and the second arm rod at the bottom is often insufficient in bearing capacity, and is easy to deform after repeated use.
Therefore, it is necessary to develop a transformer compression testing apparatus for the above-mentioned defects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a transformer resistance to compression testing arrangement adopts fixed plummer, has guaranteed sufficient bearing strength, and the guard shield is automatic to go upward when pressurizeing simultaneously and protects, and the security is good.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a transformer compression resistance testing device, including main frame, bearing frame, plummer, pressure head, pulley, pressurization unit, rope and guard shield, the main frame is four column type frame construction, the bearing frame sets up on the bottom plate of main frame and the top sets up the plummer, the flange mounting of pressurization unit tip is in the middle part of the main frame roof and the working end is connected the pressure head, the pressure head is towards the lower plummer; the protective cover is cylindrical and is sleeved on the periphery of the bearing frame, the top end of the protective cover is connected with one end of the rope, the rope is connected to the back of the pressure head after passing around the pulley, and the pulley is installed on the top plate of the main frame; the pulleys and the ropes are at least two sets and are symmetrically arranged around the vertical axis of the pressurizing unit.
Furthermore, the pressurizing unit adopts a hydraulic cylinder, an oil pressure sensor is arranged on a rodless cavity of the hydraulic cylinder and communicated with an oil path, and the oil pressure sensor is electrically connected to the electric cabinet.
Further, a pressure sensor is arranged between the bearing frame and the bearing table and electrically connected to the electric cabinet.
Furthermore, the device also comprises a guide rod, wherein a guide hole is formed in the side wall of the protective cover, and the guide rod is inserted in the guide hole in a sliding manner.
Furthermore, the shield is of a metal frame structure, and transparent plastic plates are embedded in hollow parts among the frame strips.
Further, the main frame comprises a proximity switch, and the proximity switch is installed on the main frame bottom plate through a bracket; the proximity switch is capable of detecting a drop signal of the shield, the proximity switch being electrically connected to an electric cabinet.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model relates to a transformer resistance to compression testing arrangement bears the setting of frame and plummer through fixed, and the transformer that needs the detection is placed and is tested on the plummer, and to original equipment, the movable part that has reduced lift platform has now improved support strength. Through pressure head and the guard shield that pulley and rope are connected, the pressure head is down to drive the guard shield and go upward right during the pressurization the transformer encloses the fender protection, has improved the security. The utility model discloses transformer compression testing arrangement adopts fixed plummer, has guaranteed sufficient bearing strength, and the guard shield is automatic to go upward when pressurizeing simultaneously and protects, and the security is good.
The oil pressure at the time of pressurization is measured by the oil pressure sensor, converted into an applied pressure, and then filled in a transformer compression resistance test report. Through the setting of pressure sensor, can directly measure the pressure that applies to the test transformer, the controller continues to pressurize or withdraw according to pressure feedback control pressurization unit in the electric cabinet. Through the slip is pegged graft and is in guide to the guard shield in the guiding hole, can carry out spacingly to the orbit of guard shield, avoid the guard shield to take place the beat under the rope is drawn, with the damage of scraping of the transformer that awaits measuring. The transparent plastic plate is arranged on the main body of the shield, so that the deformation condition of the transformer after being pressed can be observed conveniently. Through the setting of proximity switch, the signal of falling of feedback guard shield reaches the electric cabinet controller, and the control pressurization unit is not continuing to withdraw.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
Fig. 1 is a schematic view of the structure of the transformer compression testing device of the present invention;
FIG. 2 is a schematic view of a top view structure of the transformer compression testing apparatus of the present invention;
fig. 3 is the utility model discloses transformer resistance to compression testing arrangement pushes down state main view structure schematic diagram.
Description of reference numerals: 1. a main frame; 101. a column; 102. a steel wire rope is passed through a hole; 2. a carrier; 3. a bearing table; 4. a pressure head; 5. a pulley; 6. a pressurizing unit; 7. a rope; 8. a shield; 9. a pressure sensor; 10. a proximity switch.
Detailed Description
The core of the utility model is to provide a transformer compression testing arrangement adopts fixed plummer, has guaranteed sufficient bearing strength, and the guard shield is automatic to go upward when pressurizeing simultaneously and protects, and the security is good.
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to the drawings, fig. 1 is a schematic view of a transformer compression testing device according to the present invention; FIG. 2 is a schematic view of a top view structure of the transformer compression testing apparatus of the present invention; fig. 3 is the utility model discloses transformer resistance to compression testing arrangement pushes down state main view structure schematic diagram.
In one embodiment, as shown in fig. 1 to 3, a transformer compression testing apparatus includes a main frame 1, a bearing frame 2, a bearing table 3, a ram 4, a pulley 5, a compression unit 6, a rope 7 and a shield 8. The main frame 1 is a four-column frame structure, the top plate and the bottom plate are connected together through four upright posts 101 which are vertically arranged, and adjustable support legs for supporting are installed below the bottom plate. The bearing frame 2 is arranged on the bottom plate of the main frame 1, the bearing table 3 is arranged at the top of the bearing frame, and the pressurizing unit 6 is arranged in the middle of the top plate of the main frame 1 through an end flange. The working end of the pressurizing unit 6 is connected with a pressure head 4, and the pressure head 4 faces to the bearing platform 3 below. The transformer to be tested is placed on the bearing table 3, and the pressure head 4 applies the pressure set by the testing program to the transformer. The protective cover 8 is cylindrical and is sleeved on the periphery of the bearing frame 2, the top end of the protective cover 8 is connected with one end of the rope 7 through the hanging ring, the rope 7 bypasses the pulley 5 and then the other end of the rope is connected to the back face of the pressure head 4 through the hanging ring, the pulley 5 is installed on the top plate of the main frame 1, and a steel wire rope through hole is formed in the position, where the rope 7 penetrates, of the top plate of the corresponding main frame 1. The pulleys 5 and the ropes 7 are at least two sets and are arranged symmetrically around the vertical axis of the pressing unit 6.
Through the fixed setting that bears 2 and plummer 3, the transformer that needs the detection is placed and is tested on plummer 3, and to original equipment now, reduced lift platform's movable part, improved support intensity. Through pressure head 4 and guard shield 8 that pulley 5 and rope 7 are connected, 4 down drive guard shield 8 go upward right of pressure head during the pressurization the transformer encloses the fender protection, has improved the security. The utility model discloses transformer compression testing arrangement adopts fixed plummer, has guaranteed sufficient bearing strength, and the guard shield is automatic to go upward when pressurizeing simultaneously and protects, and the security is good.
In a specific embodiment of the present invention, as shown in fig. 1 and 3, the pressurizing unit 6 is a hydraulic cylinder, an oil pressure sensor is disposed on the rodless cavity communicating oil path of the hydraulic cylinder, and the oil pressure sensor is electrically connected to the electric cabinet.
And measuring the oil pressure during pressurization through the oil pressure sensor, converting the oil pressure into the applied pressure, and filling a transformer compression resistance test report.
In a specific embodiment of the present invention, as shown in fig. 1 and 3, a pressure sensor 9 is disposed between the bearing frame 2 and the bearing platform 3, and the pressure sensor 9 is electrically connected to the electric cabinet. The pressure sensors 9 are arranged in a plurality of uniformly distributed mode around the circumference of the central axis. The top of the bearing frame 2 and the bottom surface of the bearing table 3 are both provided with mounting clamping grooves matched with the pressure sensors 9.
Through the arrangement of the pressure sensor 9, the pressure applied to the test transformer can be directly measured, and the controller in the electric cabinet controls the pressurizing unit 6 to continue pressurizing or withdraw according to pressure feedback.
The utility model discloses an in the embodiment, as shown in fig. 1 and fig. 3, the utility model discloses transformer resistance to compression testing arrangement still includes the guide bar, has seted up the guiding hole on the 8 lateral walls of guard shield, the guide bar slides and pegs graft and is in lead to guard shield 8 in the guiding hole.
Specifically, the shield 8 is a metal frame structure, and a transparent plastic plate is embedded in a hollow part between adjacent frame strips.
Particularly, as shown in fig. 1 and fig. 3, the transformer compression testing apparatus of the present invention further includes a proximity switch 10, and the proximity switch 10 is mounted on the bottom plate of the main frame 1 through a bracket. The proximity switch 10 is capable of detecting a falling signal of the hood 8, and the proximity switch 10 is electrically connected to the electric cabinet.
Through the slip is pegged graft and is in guide to guard shield 8 in the guiding hole, can carry out spacingly to guard shield 8's orbit, avoid guard shield 8 to take place the beat under rope 7 pulls, scratch the injury with the transformer that awaits measuring. The deformation condition of the transformer after being pressed is convenient to observe by installing the transparent plastic plate on the main body of the shield 8. The falling signal of the shield 8 is fed back to the electric cabinet controller through the setting of the proximity switch 10, and the pressurizing unit 6 is controlled not to continue to retreat.
The utility model relates to a transformer compression testing arrangement during operation in the embodiment: in the initial state, the pressurizing unit 6 is retracted, the ram 4 is returned to the top position, and the shield 8 is at the lowest position. The transformer to be tested is placed on the bearing table 3 in the middle, the button is started, the electric cabinet controller controls the pressurizing unit 6 to eject out according to a test program, and the pressure head 4 presses the transformer. Meanwhile, the pressure head 4 pulls the rope 7, and the rope 7 pulls the shield 8 to be sleeved on the periphery of the transformer upwards for protection. After the set pressure value is reached, the electric cabinet controller controls the pressurizing unit 6 to return, the pressure head 4 returns, the protective cover 8 descends, the proximity switch 10 detects a falling signal of the protective cover 8, and the controller controls the pressurizing unit 6 to stop acting. Ready for the next compression test.
The utility model discloses transformer compression testing arrangement through the fixed setting that bears frame 2 and plummer 3, needs the transformer that detects to place and tests on plummer 3, and to original equipment, the movable part that has reduced lift platform has now improved support intensity. Through pressure head 4 and guard shield 8 that pulley 5 and rope 7 are connected, 4 down drive guard shield 8 go upward right of pressure head during the pressurization the transformer encloses the fender protection, has improved the security. The utility model discloses transformer compression testing arrangement adopts fixed plummer, has guaranteed sufficient bearing strength, and the guard shield is automatic to go upward when pressurizeing simultaneously and protects, and the security is good. The oil pressure at the time of pressurization is measured by the oil pressure sensor, converted into an applied pressure, and then filled in a transformer compression resistance test report. Through the arrangement of the pressure sensor 9, the pressure applied to the test transformer can be directly measured, and the controller in the electric cabinet controls the pressurizing unit 6 to continue pressurizing or withdraw according to pressure feedback. Through the slip is pegged graft and is in guide to guard shield 8 in the guiding hole, can carry out spacingly to guard shield 8's orbit, avoid guard shield 8 to take place the beat under rope 7 pulls, scratch the injury with the transformer that awaits measuring. The deformation condition of the transformer after being pressed is convenient to observe by installing the transparent plastic plate on the main body of the shield 8. The falling signal of the shield 8 is fed back to the electric cabinet controller through the setting of the proximity switch 10, and the pressurizing unit 6 is controlled not to continue to retreat.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. The utility model provides a transformer resistance to compression testing arrangement which characterized in that: the device comprises a main frame (1), a bearing frame (2), a bearing table (3), a pressure head (4), a pulley (5), a pressurizing unit (6), a rope (7) and a protective cover (8), wherein the main frame (1) is of a four-column frame structure, the bearing frame (2) is arranged on a bottom plate of the main frame (1), the bearing table (3) is arranged at the top of the bearing frame (2), a flange at the end part of the pressurizing unit (6) is arranged in the middle of a top plate of the main frame (1), the working end of the pressurizing unit (6) is connected with the pressure head (4), and the bearing table (3) faces downwards; the protective cover (8) is cylindrical and is sleeved on the periphery of the bearing frame (2), the top end of the protective cover (8) is connected with one end of the rope (7), the rope (7) is connected to the back of the pressure head (4) after passing around the pulley (5), and the pulley (5) is installed on a top plate of the main frame (1); the pulleys (5) and the ropes (7) are at least two sets and are symmetrically distributed around the vertical axis of the pressurizing unit (6).
2. The transformer compression testing device of claim 1, wherein: the pressurizing unit (6) adopts a hydraulic cylinder, an oil pressure sensor is arranged on a rodless cavity of the hydraulic cylinder and communicated with an oil path, and the oil pressure sensor is electrically connected to the electric cabinet.
3. The transformer compression testing device of claim 1, wherein: a pressure sensor (9) is arranged between the bearing frame (2) and the bearing table (3), and the pressure sensor (9) is electrically connected to the electric cabinet.
4. The transformer compression testing device of claim 1, wherein: the protective cover is characterized by further comprising a guide rod, wherein a guide hole is formed in the side wall of the protective cover (8), and the guide rod is inserted in the guide hole in a sliding mode.
5. The transformer compression testing device of claim 4, wherein: the shield (8) is of a metal frame structure, and transparent plastic plates are embedded in hollow parts among the frame strips.
6. The transformer compression testing device of claim 4 or 5, wherein: the device also comprises a proximity switch (10), wherein the proximity switch (10) is installed on a bottom plate of the main frame (1) through a bracket; the proximity switch (10) is capable of detecting a drop signal of the hood (8), the proximity switch (10) being electrically connected to an electric cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220622341.2U CN217132827U (en) | 2022-03-21 | 2022-03-21 | Transformer resistance to compression testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220622341.2U CN217132827U (en) | 2022-03-21 | 2022-03-21 | Transformer resistance to compression testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217132827U true CN217132827U (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220622341.2U Active CN217132827U (en) | 2022-03-21 | 2022-03-21 | Transformer resistance to compression testing arrangement |
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| CN (1) | CN217132827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054259A (en) * | 2023-09-27 | 2023-11-14 | 保定德利盛电器有限公司 | Impact-resistant testing system for strength of transformer shell |
-
2022
- 2022-03-21 CN CN202220622341.2U patent/CN217132827U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054259A (en) * | 2023-09-27 | 2023-11-14 | 保定德利盛电器有限公司 | Impact-resistant testing system for strength of transformer shell |
| CN117054259B (en) * | 2023-09-27 | 2024-03-22 | 保定德利盛电器有限公司 | Impact-resistant testing system for strength of transformer shell |
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