Transformer convenient to install
Technical Field
The invention belongs to the field of transformers, and particularly relates to a transformer convenient to install.
Background
A transformer is a stationary electrical device used to transform ac voltage, current and transmit ac power. The electric energy transmission is realized according to the principle of electromagnetic induction. The transformer can be classified into a power transformer, a test transformer, an instrument transformer and a transformer for special purposes.
When an existing transformer is installed, due to the fact that the weight of the transformer is large, the installation process is very complex, the installation frame is installed on two telegraph poles, then the installation frame is hung on a transformer main body through auxiliary construction of a crane, then fixed installation is conducted, the construction mode is troublesome, the engineering quantity is large, and a lot of manpower and material resources are needed.
Disclosure of Invention
The invention aims to provide a transformer which is simple to operate and can be installed quickly.
In order to achieve the purpose, the invention provides the following technical scheme: a transformer convenient to mount comprises a transformer body, a cross frame and a hook assembly, wherein the hook assembly comprises lower hook members fixedly mounted at two ends of the cross frame and upper hook members fixedly mounted on telegraph poles at two sides; the lower hook piece comprises lower clamping blocks which are positioned in the avoidance groove and positioned on two sides of the telegraph pole, each lower clamping block is arranged on the cross frame through a lower bolt, and two ends of each lower bolt respectively penetrate through the limiting sliding grooves and are provided with limiting nuts; the upper end of each lower clamping block is provided with a lower connecting hook assembly, each upper hook piece comprises upper clamping blocks positioned on two sides of the telegraph pole, and the two upper clamping blocks are clamped and fixed on the telegraph pole through upper bolts; the lower end of each upper clamping block is provided with an upper connecting hook component matched with the lower connecting hook component.
Further, the lower connecting hook component comprises a lower hook body, the upper end of each lower clamping block is provided with a lower mounting groove, the upper end of each lower clamping block is provided with lower convex plates on two sides of the lower mounting groove, and the lower hook body is arranged between the two lower convex plates through a lower hinge shaft; a lower sliding groove communicated with the lower mounting groove is formed in each lower clamping block along the axial direction of the lower hinge shaft, a lower locking block and a lower spring for forcing the lower locking block to press the lower hook body are arranged in each lower sliding groove, a lower convex rod extending out of the lower clamping block extends from the side surface of each lower locking block far away from the lower spring, and the lower convex rod is pressed to push the lower locking block to compress the lower spring; every coupler body all is equipped with down the locked groove in the side that is close to down the spring down, the tip that the locking piece is being close to the spring down is equipped with down the locking lever, be equipped with down locating component down in the lower flange, when the coupler body rotates to the primary importance down, lower locking lever gets into down the locked groove under the spring action down, and the coupler body is locked motionlessly down, and when the coupler body rotated to the second place down, locating component will be down the coupler body location motionless.
Furthermore, the upper connecting hook component comprises an upper hook body, the lower end of each upper clamping block is provided with an upper mounting groove, the lower end of each upper clamping block is provided with upper convex plates on two sides of the upper mounting groove, and the upper hook body is arranged between the two upper convex plates through an upper hinge shaft; an upper chute communicated with the upper mounting groove is formed in each upper clamping block along the axial direction of the upper hinge shaft, an upper locking block and an upper spring used for forcing the upper locking block to press the upper hook body are arranged in each upper chute, an upper convex rod extending out of the upper clamping block extends from the side face of each upper locking block far away from the upper spring, and the upper convex rod is pressed to push the upper locking block to compress the upper spring; every goes up the coupler body and all is equipped with the locked groove in the side that is close to the spring, go up the locking piece and be equipped with the locking lever at the tip that is close to the spring, go up the flange and be equipped with locating component, when last coupler body changes to the primary importance, go up the locking lever and get into the locked groove under last spring action, go up the coupler body and be locked motionless, when last coupler body changes to the second place, go up locating component and will go up the coupler body location motionless.
Furthermore, the lower positioning component comprises a lower positioning ball, a lower mounting hole is formed in one lower convex plate along the axial direction of the lower hinge shaft, a lower positioning hole is formed in the side face of the lower hook body, the lower positioning ball is located in the lower mounting hole, a lower positioning spring used for forcing the lower positioning ball to press the side face of the lower hook body is arranged in the lower mounting hole, and when the lower hook body rotates to the second position, the lower positioning ball enters the lower positioning hole.
Furthermore, the upper positioning component comprises an upper positioning ball, an upper mounting hole is formed in one of the upper convex plates along the axial direction of the upper hinge shaft, an upper positioning hole is formed in the side face of the upper hook body, the upper positioning ball is located in the upper mounting hole, an upper positioning spring used for forcing the upper positioning ball to be pressed on the side face of the upper hook body is arranged in the upper mounting hole, and when the upper hook body rotates to the second position, the upper positioning ball enters the upper positioning hole.
Advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. by using the structures of the lower hook and the upper hook as well as the lower hook and the cross frame, workers can finish work only by installing the upper hook on the telegraph pole, so that labor is saved;
2. by using the structure of the lower hook piece and the upper hook piece, the lower hook piece and the upper hook piece can be butted to complete installation, and the installation is convenient and simple;
3. through the structure of using lower hook piece and upper hook piece to and the connection structure of lower hook piece and crossbearer for the workman just can accomplish the fixed of transformer on ground, borrows hoisting device again and totally promotes transformer and crossbearer and target in place just can accomplish work, easy operation.
Drawings
FIG. 1 is a front view of a transformer and cross-frame of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a sectional view taken along line B-B of FIG. 1 in accordance with the present invention;
FIG. 4 is a cross-sectional view of the present invention after the cross frame has been installed;
FIG. 5 is an enlarged view taken at I of FIG. 4 in accordance with the present invention;
FIG. 6 is a cross-sectional view taken along line C-C of FIG. 4 in accordance with the present invention;
FIG. 7 is a cross-sectional view of the lower and upper connecting hook members of the present invention open;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 7 in accordance with the present invention;
fig. 9 is a sectional view taken along the line E-E in fig. 7 according to the present invention.
Detailed Description
Referring to fig. 1-9, a transformer convenient to mount comprises a transformer body 1, a cross frame 21 and a hook assembly, wherein the hook assembly comprises lower hook members fixedly mounted at two ends of the cross frame 21 and upper hook members fixedly mounted on telegraph poles 1a at two sides; two ends of the transverse frame 21 are respectively provided with an avoiding groove 21a for placing the telegraph pole 1a, and two side walls of the avoiding groove 21a are respectively provided with a limiting sliding groove 211 along the length direction; the lower hook piece comprises lower clamping blocks 22 which are positioned in the avoidance groove 21a and positioned on two sides of the telegraph pole 1a, each lower clamping block 22 is installed on the cross frame 21 through a lower bolt 23, and two ends of each lower bolt 23 respectively penetrate through the limiting sliding grooves 211 and are provided with limiting nuts; the upper end of each lower clamping block 22 is provided with a lower connecting hook assembly, the upper hook assembly comprises upper clamping blocks 24 positioned on two sides of the telegraph pole 1a, and the two upper clamping blocks 24 are clamped and fixed on the telegraph pole 1a through upper bolts 2 a; the lower end of each upper clamping block 24 is provided with an upper connecting hook component matched with the lower connecting hook component.
The lower connecting hook component comprises a lower hook body 223, the upper end of each lower clamping block 22 is provided with a lower mounting groove 22a, the upper end of each lower clamping block 22 is provided with lower convex plates 22b on two sides of the lower mounting groove 22a, and the lower hook body 223 is arranged between the two lower convex plates 22b through a lower hinge shaft 22 d; a lower chute 22c communicated with the lower mounting groove 22a is formed in each lower clamping block 22 along the axial direction of the lower hinge shaft 22d, a lower locking block 222 and a lower spring 224 for forcing the lower locking block 222 to press the lower hook body 223 are formed in each lower chute 22c, a lower convex rod 222a extending out of the lower clamping block 22 extends from the side surface of each lower locking block 222 away from the lower spring 224, and the lower convex rod 222a is pressed to push the lower locking block 222 to compress the lower spring 224; every lower coupler body 223 all is equipped with down the locked groove in the side that is close to spring 224 down, lock piece 222 is equipped with down locking lever 221 down in the tip that is close to the spring down, be equipped with down locating component down in the flange 22b, when lower coupler body 223 rotated to the first position, lower locking lever 221 got into down the locked groove under spring 224 effect down, and lower coupler body 223 is locked motionless, and when lower coupler body 223 rotated to the second position, lower locating component was with lower coupler body 223 location motionless.
The upper connecting hook assembly comprises an upper hook body 243, the lower end of each upper clamping block 24 is provided with an upper mounting groove 24a, the lower end of each upper clamping block 24 is provided with upper convex plates 24b on two sides of the upper mounting groove 24a, and the upper hook body 243 is arranged between the two upper convex plates 24b through an upper hinge shaft 24 d; an upper sliding groove 24c communicated with the upper mounting groove 24a is formed in each upper clamping block 24 along the axial direction of the upper hinge shaft 24d, an upper locking block 242 and an upper spring 244 for forcing the upper locking block 242 to press the upper hook body 243 are arranged in each upper sliding groove 24c, an upper protruding rod 242a protruding out of the upper clamping block 24 extends from the side surface of each upper locking block 242 far away from the upper spring 244, and the upper protruding rod 242a is pressed to push the upper locking block 242 to compress the upper spring 244; each upper hook body 243 is provided with an upper locking groove on the side surface close to the upper spring 244, the end part of the upper locking block 242 close to the spring is provided with an upper locking rod 241, an upper positioning component is arranged in the upper convex plate 24b, when the upper hook body 243 rotates to the first position, the upper locking rod 241 enters the upper locking groove under the action of the upper spring 244, the upper hook body 243 is locked and cannot move, and when the upper hook body 243 rotates to the second position, the upper positioning component fixes the upper hook body 243.
The lower positioning component comprises a lower positioning ball 225, wherein a lower mounting hole 227 is formed in one lower convex plate 22b along the axial direction of the lower hinge shaft 22d, a lower positioning hole 223a is formed in the side surface of the lower hook body 223, the lower positioning ball 225 is positioned in the lower mounting hole 227, a lower positioning spring 226 for forcing the lower positioning ball 225 to press against the side surface of the lower hook body 223 is arranged in the lower mounting hole 227, and when the lower hook body 223 rotates to the second position, the lower positioning ball 225 enters the lower positioning hole 223 a; the upper positioning assembly comprises an upper positioning ball 245, wherein an upper mounting hole 247 is formed in one upper convex plate 24b along the axial direction of an upper hinge shaft 24d, an upper positioning hole 243a is formed in the side surface of the upper hook body 243, the upper positioning ball 245 is positioned in the upper mounting hole 247, an upper positioning spring 246 for forcing the upper positioning ball 245 to press the side surface of the upper hook body 243 is arranged in the upper mounting hole 247, and when the upper hook body 243 rotates to the second position, the upper positioning ball 245 enters the upper positioning hole 243 a.
When the transformer convenient to install is used, the method comprises the following steps:
s1, manually mounting the transformer body 1 on the cross frame 21 and placing it on the lifting device, and then placing the lifting device and the cross frame 21 between the two utility poles 1 a; when the cross frame 21 is placed between the two utility poles 1a, the utility poles 1a are respectively positioned in the escape grooves 21a at both ends of the cross frame 21;
s2, respectively buckling two lower hook members on the telegraph pole 1a and fixing the two lower hook members at two ends of a cross frame 21, and climbing the telegraph pole 1a by workers to fixedly install the upper hook members on the telegraph pole 1 a;
s3, controlling the lifting device to drive the cross frame 21 to move upwards, connecting the lower hook piece with the upper hook piece, controlling the lifting device to descend and taking out the lower hook piece from the lower part of the cross frame 21
In the above S2, the two lower clamping blocks 22 at the two ends of the cross frame 21 are fastened to the utility pole 1a and fixed to the cross frame 21 by the lower bolts 23, the lower protrusion 222a is pressed to push the lower locking block 222 to compress the lower spring 224, the lower locking block 222 drives the lower lock rod 221 to leave the lower lock groove, the lower hook 223 is controlled to rotate to the second position, the lower positioning ball 225 enters the lower positioning hole 223a under the action of the lower positioning spring 226 to position the lower hook 223 (as shown in fig. 7), after the installation of the lower hook is completed, the worker climbs the utility pole 1a to install the two upper clamping blocks 24 on a certain height of the utility pole 1a and clamp and fix the utility pole 1a on the utility pole 1a by the upper bolts 2a, the upper locking block 242 is pushed by the upper pressing of the upper protrusion 242a to compress the upper spring 244, the upper locking block 242 drives the upper lock rod 243 to leave the upper lock groove 243, the upper hook is controlled to rotate to the second position, the upper positioning ball 245 acts in the upper positioning spring 246 to enter the upper positioning hole 243 to realize the upper hook entering the upper And positioning (as shown in fig. 7) to complete the installation of the upper hook.
In the above step S3, the lifting device lifts the transformer 1 to a desired position, and after the lower hook 223 and the upper hook 243 are touched, they are pushed to rotate to a second position, at this time, under the action of the lower spring 224, the lower lock block 222 drives the lower lock rod 221 to enter the lower lock groove, and at the same time, under the action of the upper spring 244, the upper lock block 242 drives the upper lock rod 241 to enter the upper lock groove, the upper hook 243 and the lower hook 223 are hooked together (as shown in fig. 6), and after the upper hook and the lower hook are mounted in place, the lifting device is controlled to descend to complete the transformer mounting.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.