CN107504343A - Stand transformer base leveling device - Google Patents

Abstract

The present invention relates to stand transformer base leveling device, including support, the top of support is provided with cross-arm position-limit mechanism, the adjustable setting in position in the horizontal direction of support of cross-arm position-limit mechanism, the bottom of support is provided with arrangement for adjusting height, and arrangement for adjusting height includes expansion link and motor-driven jack, and the top of expansion link is connected with support, the bottom of expansion link is connected with the piston rod of motor-driven jack, and 220V/380V power supplys are connected with motor-driven jack；Advantages of the present invention：The fast positioning of cross-arm is realized by cross-arm position-limit mechanism, and height regulation is carried out to support by arrangement for adjusting height, the sedimentation realized to stand of energy express delivery, which tilts, to be adjusted, changing in the past must be first to line outage, the cumbersome flow that the huge tools such as crane are flattened to tilting transformer on bar, the work such as raise is reused, operating efficiency is improved, ensure that power supply reliability, labor intensity is significantly reduced, improves working efficiency.

Description

Bench transformer base level adjustment device

technical field

The invention relates to a level adjustment device for a platform transformer base.

Background technique

In recent years, due to the convenient installation, operation and maintenance of bench-type distribution transformers, more bench-type equipment is selected for new or replaced distribution transformers in the transformation and upgrading of rural power grids. With more and more outdoor bench-type transformers, the settlement problem of bench-type transformers has become more and more prominent, which has seriously affected the safe and stable operation of the distribution network.

At present, the subsidence of the bench-type transformer can be roughly divided into two types: 1. The displacement of the pole relative to the ground; 2. The displacement of the cross arm relative to the pole. Both of these situations can cause changes in the position of the transformer, causing many safety problems and affecting the reliability of power supply.

In the daily operation of equipment management, on the basis of strengthening the inspection of bench-type transformer equipment, there are currently two conventional methods for dealing with the settlement of bench-type transformers: 1. Use a crane to lift the transformer and re-tighten the cross-arm screws ;2. Use the wire tensioner to lift the transformer and re-tighten the cross-arm screws; these two methods require high manpower and material resources, and the settlement method is cumbersome and consumes a lot of manpower and material resources. It is difficult to cope with the rapid growth of bench-type transformers. The growing problem of transformer settlement.

Contents of the invention

The technical problem to be solved by the present invention is to provide a level adjustment device for the base of the stand transformer, so as to solve the problem of time-consuming and labor-intensive adjustment of the existing subsidence transformer.

In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical proposals: the horizontal adjustment device for the transformer base of the bench includes a bracket, the top of the bracket is provided with a cross-arm limiting mechanism, and the position of the cross-arm limiting mechanism in the horizontal direction of the bracket Adjustable setting, the bottom end of the bracket is equipped with a height adjustment device, the height adjustment device includes a telescopic rod and an electric jack, the top of the telescopic rod is connected with the bracket, the bottom end of the telescopic rod is connected with the piston rod of the electric jack, and the electric jack is connected with 220V/380V power supply.

Preferably, the support includes a horizontal part and a vertical part, the top of the vertical part is set at the center of the horizontal part, the bottom of the vertical part is connected with the top of the telescopic rod, and the cross arm limit mechanism is arranged on the horizontal part, the connection is reliable , easy to install and disassemble, and can realize the overall height adjustment of the bracket.

Preferably, the vertical part is provided with reinforcing ribs supporting the horizontal part, which improves the support strength of the horizontal part, reduces damage to the horizontal part, increases service life, and improves safety performance during use.

Preferably, the cross-arm limiting mechanism includes a fine-tuning mechanism and a positioning plate arranged on the fine-tuning mechanism. The positioning plate is provided with a limiting groove for fixing the cross-arm. The position on the horizontal part is adjustable, easy to adjust, quick to install and disassemble, and can quickly adjust the position of the positioning plate according to the needs of the site. safety performance when

Preferably, the horizontal part is provided with a horizontal through groove, and the vertical direction of the horizontal part is provided with a strip hole communicating with the horizontal through groove. reliable.

Preferably, the fine-tuning mechanism includes a stud, a stop washer and a nut, the top of the stud is fixedly connected to the positioning plate, the bottom of the stud passes through the horizontal part and is locked by the nut, and the stop washer is arranged on the stud. And the stop washer is set in the horizontal channel, the connection is reliable, the setting of the stop washer can reduce the looseness of the stud, improve the connection strength of the fine-tuning mechanism, so as to ensure the support strength of the cross-arm limit mechanism, and avoid The cross-arm limit mechanism produces a deviation, which is conducive to the rapid positioning of the cross-arm.

Preferably, the telescopic rod includes an upper support tube, a lower support tube and a latch, the lower support tube is sleeved on the upper support tube, and both the upper support tube and the lower support tube are provided with fixing holes for fixing the latch, which is convenient for adjustment and reliable in connection. It can ensure the stability of the telescopic rod and improve the supporting strength of the telescopic rod.

Preferably, a storage battery is connected to the electric jack, which can ensure the normal operation of the electric jack in the event of a power outage on site, thereby improving the practicability of the site.

Preferably, the storage battery and the electric jack are arranged in a separate structure, which improves the portability of the device, is easy to carry, and reduces damage to the storage battery.

In summary, the advantages of the present invention: 1. The rapid positioning of the cross-arm is realized by the cross-arm limit mechanism, and the height of the support is adjusted by the height adjustment device, which can realize the adjustment of the settlement and inclination of the stand quickly. It has changed the tedious process of first powering off the line first, and then using large tools such as cranes to level and raise the tilted transformer on the pole, which improves work efficiency, ensures power supply reliability, greatly reduces labor intensity, and improves Work efficiency, and overcome the shortcomings of using cranes and wire tensioners that require high operating requirements and consume a lot of manpower and material resources;

2. The cross-arm limit mechanism is set to be adjustable in the horizontal direction of the bracket, which can be accurately adjusted according to the position of the cross-arm in different distribution transformer stands, which improves the practical performance;

3. The height adjustment device is set as a structure of a telescopic rod and an electric jack, and the height of the height adjustment device can be flexibly adjusted according to the position of the bench at different heights on site, so as to improve the operation efficiency, realize precise adjustment, reduce the investment of manpower, material and financial resources, and save The cost increases the breadth of practical application on site; the setting of the electric jack can achieve fast and accurate adjustment without manual operation by personnel, which minimizes the safety risks caused by personnel climbing on the pole, and the adjustment speed of the electric jack is controllable. Can achieve precise adjustment;

4. The 220V/380V power supply realizes the power supply to the electric jack, which can realize rapid assembly on site, ensure the stability of power supply, optimize the structure of the overall electric jack, improve the portability of the device, and be easy to carry.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is the structural schematic diagram of the horizontal adjustment device of the platform transformer base of the present invention;

Fig. 2 is a partially enlarged view of I in Fig. 1 .

detailed description

As shown in Figure 1 and Figure 2, the horizontal adjustment device of the transformer base of the bench includes a bracket 1, and the top of the bracket 1 is provided with a cross-arm limiting mechanism 2, and the position of the cross-arm limiting mechanism 2 is adjustable in the horizontal direction of the bracket 1 Setting, the bottom end of the support 1 is provided with a height adjustment device 3, the height adjustment device 3 includes a telescopic rod 4 and an electric jack 5, the top of the telescopic rod 4 is connected with the support 1, and the bottom end of the telescopic rod 4 is connected with the piston rod of the electric jack 5 Connected, the electric jack 5 is connected with a 220V/380V power supply 6.

The support 1 includes a horizontal part 11 and a vertical part 12, the top of the vertical part 12 is arranged at the center of the horizontal part 11, the bottom of the vertical part 12 is connected with the top of the telescopic rod 4, and the cross arm limit mechanism 2 is arranged on the horizontal On the part 11, the connection is reliable, the installation and disassembly are convenient, and the overall height adjustment of the bracket can be realized. The vertical part 12 is provided with a reinforcing rib 13 supporting the horizontal part 11, which improves the support strength of the horizontal part, reduces the damage of the horizontal part, and improves Long service life, improve safety performance during use.

The cross-arm limiting mechanism 2 includes a fine-tuning mechanism 21 and a positioning plate 22 arranged on the fine-tuning mechanism 21. The positioning plate 22 is provided with a limiting groove 23 for fixing the cross-arm. The position of the fine-tuning mechanism 21 on the horizontal part 11 is adjustable. The fine-tuning mechanism realizes the adjustable position of the positioning plate on the horizontal part, which is convenient to adjust, fast to install and disassemble, and can quickly adjust the position of the positioning plate according to the needs of the site. Vibration improves the safety performance during adjustment.

The horizontal part 11 is provided with a horizontal through-slot 14, and the vertical direction of the horizontal part 11 is provided with a strip-shaped hole 15 communicating with the horizontal through-slot 14, and the fine-tuning mechanism 21 is arranged in the strip-shaped hole 15, which can realize the quick adjustment of the fine-tuning mechanism. Installation and disassembly, reliable connection, the fine-tuning mechanism 21 includes a stud 24, a stop washer 25 and a nut 26, the top of the stud 24 is fixedly connected on the positioning plate 22, and the bottom of the stud 24 passes through the horizontal part 11 and passes through the nut 26 is locked, the stop washer 25 is arranged on the stud 24 and the stop washer 24 is arranged in the horizontal through groove 14, the connection is reliable, the setting of the stop washer can reduce the loosening of the stud, and improve the fine-tuning mechanism. The connection strength ensures the support strength of the cross-arm limit mechanism, which can avoid the deviation of the cross-arm limit mechanism, and is conducive to the rapid positioning of the cross-arm.

The telescopic rod 4 comprises an upper support tube 41, a lower support tube 42 and a latch 43, the lower support tube 42 is sleeved on the upper support tube 41, and the upper support tube 41 and the lower support tube 42 are all provided with fixing holes 44 for fixing the latch 43 , easy to adjust, reliable connection, can ensure the stability of the telescopic rod, improve the support strength of the telescopic rod.

The electric jack 5 is also connected with a battery 7, which can ensure the normal operation of the electric jack in the case of a power outage on site, and improves the practicality of the site. The electric jack in this embodiment adopts an electrohydraulic jack with a stroke of 200mm and a maximum load capacity of 50T , so that it meets the adjustment requirements of the bench, the battery 7 and the electric jack 5 are arranged in a separate structure, which improves the portability of the device, is easy to carry, and reduces the damage of the battery.

When in use, adjust the position of the cross-arm limit mechanism 2 on the bracket 1 according to the actual situation on site, so that the limit groove 23 on the positioning plate 22 can be quickly and accurately aligned with the cross-arm of the transformer base of the bench, and then according to the The installation position of the transformer, adjust the height of the telescopic rod 4, and then connect the 220V/380V power supply at the transformer to the electric jack 5, so that the electric jack 5 works to lift the tilting platform, thereby realizing the tilting of the platform. Fast adjustment improves work efficiency. During adjustment, the adjustment speed of the electric jack can be adjusted. When the mains power fails, the battery 7 is connected to the electric jack 5 to ensure continuous stability of work.

Except above-mentioned preferred embodiment, the present invention also has other embodiments, and those skilled in the art can make various changes and deformations according to the present invention, as long as they do not depart from the spirit of the present invention, all should belong to the scope defined in the appended claims of the present invention scope.

Claims (9)

1. The horizontal adjustment device for the base of the bench transformer is characterized in that: it comprises a support (1), and the top of the support (1) is provided with a cross-arm limiting mechanism (2), and the cross-arm limiting mechanism (2) is mounted on the support (1) The position can be adjusted in the horizontal direction. The bottom end of the bracket (1) is provided with a height adjustment device (3). The height adjustment device (3) includes a telescopic rod (4) and an electric jack (5). The telescopic rod (4) The top links to each other with the support (1), and the bottom end of the telescopic rod (4) links to each other with the piston rod of the electric jack (5), which is connected with a 220V/380V power supply (6) on the electric jack (5). 2. The leveling device of the platform transformer base according to claim 1, characterized in that: the support (1) includes a horizontal part (11) and a vertical part (12), and the top of the vertical part (12) is set at the level The center of the part (11), the bottom end of the vertical part (12) links to each other with the top of the telescopic rod (4), and the cross arm limit mechanism (2) is arranged on the horizontal part (11). 3. The device for leveling the transformer base of the bench according to claim 2, characterized in that: the vertical part (12) is provided with reinforcing ribs (13) supporting the horizontal part (11). 4. The horizontal adjustment device of the bench transformer base according to claim 2, characterized in that: the cross-arm limit mechanism (2) includes a fine-tuning mechanism (21) and a positioning plate (22) arranged on the fine-tuning mechanism (21) , the positioning plate (22) is provided with a limit groove (23) for fixing the cross arm, and the position of the fine-tuning mechanism (21) is adjustable on the horizontal part (11). 5. The device for leveling the transformer base of a bench according to claim 4, characterized in that: the horizontal part (11) is provided with a horizontal through groove (14), and the vertical direction of the horizontal part (11) is provided with a horizontal channel. The bar-shaped hole (15) communicated with the through groove (14), and the fine-tuning mechanism (21) is arranged in the bar-shaped hole (15). 6. The device for leveling the transformer base of a stand transformer according to claim 5, characterized in that: the fine-tuning mechanism (21) includes a stud (24), a stop washer (25) and a nut (26), and the stud (24 ) is fixedly connected on the positioning plate (22), the bottom end of the stud (24) passes through the horizontal part (11) and is locked by the nut (26), and the stop washer (25) is arranged on the stud (24 ) and the stop washer (24) is set in the horizontal slot (14). 7. The horizontal adjustment device of the platform transformer base according to claim 1, characterized in that: the telescopic rod (4) includes an upper support tube (41), a lower support tube (42) and a latch (43), and the lower support tube ( 42) be sleeved on the upper support pipe (41), the upper support pipe (41) and the lower support pipe (42) are all provided with the fixing holes (44) of the fixed bolt (43). 8. The device for leveling the transformer base of the bench according to claim 1, characterized in that: the electric jack (5) is also connected to a storage battery (7). 9. The device for leveling the transformer base of the bench according to claim 8, characterized in that the storage battery (7) and the electric jack (5) are arranged in a separate structure.