An assembly tool for disc-shaped suspension insulator

Abstract

The present invention relates to the technical field of disc-shaped suspension insulator production, and specifically to an assembly tool for disc-shaped suspension insulators, including a base, a positioning cylinder and a positioning mechanism, and also a cantilever, the cantilever including: a collar, a column is arranged at the center of the collar, the column is vertically fixed on the base and is arranged away from the positioning cylinder, and the collar is rotatably connected to the column; a horizontal rod, one end of the horizontal rod is fixed on the collar, and the horizontal rod rotates horizontally with the collar; a clamping assembly, the clamping assembly is arranged at one end of the horizontal rod away from the collar, when the horizontal rod is above the positioning cylinder, the clamping assembly is used to vertically clamp the cylindrical part of the steel foot, when the horizontal rod is staggered with the positioning cylinder, the clamping assembly releases the steel foot; a positioning pin, the positioning pin is used to fix the collar when the horizontal rod rotates to above the positioning cylinder. The present invention fixes the steel foot at a position that coincides with the center of the insulator through the cantilever so that the steel foot and the insulator are centered.

Description

Technical Field

[0001] The invention relates to the technical field of disc-shaped suspension insulator production, and in particular to an assembly tool for a disc-shaped suspension insulator. Background Art

[0002] Disc suspension insulators are used in high-voltage transmission lines. They are mainly assembled by insulators, steel legs and steel caps through high-strength cement bonding. The quality of the assembly of insulators, steel legs and steel caps is directly related to the performance of insulators in high-voltage transmission power grids. The assembly quality of insulators is high. For example, the center lines of the insulator, steel legs and steel legs are in a straight line, and the coaxiality is less than 0.5mm. Since the insulator is used to separate the conductivity of the steel legs and steel caps, the insulator is a disc-shaped structure, and the steel legs and steel caps are located on both sides of the insulator, the coaxiality of the steel legs and steel caps needs to be positioned by assembly tooling so that the cement between the insulator and the steel legs and between the insulator and the steel cap can be maintained after the cement is filled and bonded, waiting for the cement to solidify.

[0003] A Chinese patent document with authorization announcement number CN212782898U discloses a metal accessory positioning tool for a suspension insulator, including a frame, a fixing mechanism for centering and fixing an insulator blank, and a pressing mechanism for pressing the ball socket of the insulator blank into a metal steel cap. The fixing mechanism and the pressing mechanism are both arranged on the frame, and the pressing mechanism is located above the fixing mechanism. A support block is provided in the middle of the fixing mechanism, and a fixing hole for cooperating with the metal steel cap is opened in the middle of the support block. The fixing mechanism is a three-jaw chuck, and an L-shaped clamping block is fixed on the jaws of the three-jaw chuck. When in use, first clamp the metal steel cap in the fixing hole in the middle of the supporting block, with the open end of the metal steel cap facing upwards, and pour cement into the metal steel cap. Then place the insulator blank on the metal steel cap, operate the three-jaw chuck, and move the three jaws toward the insulator blank at the same time, so as to center and clamp the insulator blank so that the center position of the insulator blank coincides with the center position of the metal steel cap. Add cement into the ball socket of the insulator blank, and then put in the steel foot. Operate the pressing mechanism to press the ball socket of the insulator blank and the steel foot into the metal steel cap.

[0004] However, when the steel foot is placed in the cement in the ball socket of the insulator, the center position of the steel foot cannot be accurately coincided with the center of the insulator based on the rough judgment of the staff. At the same time, the position of the steel foot needs to be positioned to stabilize the steel foot in the cement, so as to ensure that the center line of the steel foot and the center line of the metal steel cap are on the same straight line during the solidification of the cement. Summary of the invention

[0005] The invention provides an assembly tool for a disc-shaped suspension insulator, aiming to solve the problem in the related art that a steel foot cannot be accurately aligned when it is placed in the center position of an insulator.

[0006] The present invention provides an assembly tool for a disc-shaped suspension insulator, comprising a base, a positioning cylinder and a positioning mechanism installed on the positioning cylinder for positioning a steel cap, the positioning cylinder is vertically fixedly installed on the base for positioning the insulator, and also comprises a cantilever for positioning a steel foot, the cantilever comprising: a collar, a column is arranged at the center of the collar, the column is vertically fixed on the base and is arranged offset from the positioning cylinder, and the collar is rotatably connected to the column; a horizontal rod, one end of the horizontal rod is fixed on the collar, the horizontal rod rotates horizontally with the collar, and is above the positioning cylinder or at a position offset from the positioning cylinder; a clamping assembly, the clamping assembly is arranged at one end of the horizontal rod away from the collar, when the horizontal rod is above the positioning cylinder, the clamping assembly is used to vertically clamp the cylindrical part of the steel foot, when the horizontal rod is offset from the positioning cylinder, the clamping assembly releases the steel foot; a positioning pin, the positioning pin is used to fix the collar when the horizontal rod rotates to above the positioning cylinder.

[0007] The positioning mechanism is used to position the steel cap so that the center of the steel cap coincides with the center of the positioning cylinder. The positioning cylinder then positions the center of the insulator so that the center of the insulator coincides with the center of the positioning cylinder. The horizontal rod is then rotated to move the clamping assembly to the top of the positioning cylinder along with the horizontal rod. At the same time, the clamping assembly clamps the steel foot, and the center line of the steel foot coincides with the center line of the positioning cylinder. Thus, the steel cap, insulator and steel foot are in a centered position, and the state of the steel cap, insulator and steel foot can be maintained after cement filling.

[0008] The horizontal rod is rotatably connected to the column through a sleeve ring, so that the horizontal rod can be rotated to the top of the insulator and can also be moved away from the top of the insulator. When the assembled insulator needs to be taken out, the top of the insulator can be vacated by rotating the horizontal rod to facilitate the removal of the insulator.

[0009] The positioning pin is used to fix the collar when the horizontal rod is rotated to above the positioning cylinder, so that the horizontal rod can be easily rotated when the positioning pin is taken out.

[0010] Preferably, the clamping assembly includes a first jaw and a second jaw; the first jaw and the second jaw are both slidably connected to the horizontal rod along the length direction of the horizontal rod, the first jaw and the second jaw form a U-shaped clamping opening, and the opening of the clamping opening is horizontally oriented and perpendicular to the horizontal rod, the clamping opening is used to place the steel foot, and the steel foot is clamped by the relative movement of the first jaw and the second jaw.

[0011] Preferably, a gear is rotatably provided on the horizontal rod, and racks are provided on the first clamping jaw and the second clamping jaw, and the two racks are meshed with the gear and are located on both sides of the gear.

[0012] A gear is rotatably arranged on the horizontal rod, and the first clamp and the second clamp are both slidably connected to the horizontal rod, so that the racks on the first clamp and the second clamp are meshed with the gear, so that the first clamp and the second clamp move simultaneously, and the center position of the U-shaped clamp remains unchanged, so that the center of the steel foot can automatically coincide with the center of the insulator after the first clamp and the second clamp clamp the steel foot.

[0013] Preferably, a reset spring is sleeved on the positioning pin, the positioning pin is fixed to the first clamp, and the force of the reset spring is used to clamp the first clamp and the second clamp, while the positioning pin is inserted into the pin hole of the column through a fixing ring.

[0014] The first clamping jaw is fixed to the positioning pin, so that when the first clamping jaw is opened, the positioning pin is also taken out from the pin hole, which is convenient for simultaneously releasing the restrictions on the steel foot and the horizontal rod. At the same time, when the positioning pin is inserted into the pin hole through the reset spring, the first clamping jaw and the second clamping jaw are clamped under the action of the reset spring, which is convenient for the installation of the steel foot.

[0015] The first clamping jaw is fixed to the positioning pin, and when the positioning pin is not connected to the pin hole, the first clamping jaw will automatically keep an open state.

[0016] Preferably, the insulator in the positioning tube is higher than the upper end surface of the positioning tube, and a clamping mechanism is provided at the upper end of the positioning tube. The clamping mechanism includes a pressing ring and a pressing block. The pressing ring is vertically slidably connected to the positioning tube, and the pressing ring is spaced apart from the upper end of the positioning tube. There are multiple pressing blocks and they are used to press against the upper edge of the insulator.

[0017] The pressure ring is spaced apart from the upper end of the positioning tube, and a plurality of pressure blocks on the pressure ring press against the upper edge of the insulator, so that when the insulator is placed unevenly, the center of the insulator can be automatically aligned with the center of the positioning tube by squeezing the pressure blocks, thereby facilitating the positioning of the insulator.

[0018] Preferably, a fixed edge is fixedly provided on the upper end of the positioning cylinder, a guide hole is opened on the fixed edge, a guide column is fixedly provided on the lower surface of the pressure ring, the guide column is slidably connected in the guide hole, a compression spring is sleeved on the guide column, one end of the compression spring abuts against the guide column, and the force of the compression spring on the guide column is used to press the pressure block down on the insulator.

[0019] A guide hole is provided on the fixed edge, and a guide column is fixed on the lower surface of the pressure ring, so that the force of the compression spring on the guide column is used to press the insulator down, so that the insulator can be maintained in the correct position. Even if the cement needs to be vibrated, the insulator can automatically restore its position.

[0020] Preferably, a synchronization ring is rotatably provided on the pressure ring, a pressure block is rotatably connected to the pressure ring, a shift block is provided on the pressure block, and a notch for connecting the shift block is provided on the synchronization ring.

[0021] When the synchronous ring rotates, the synchronous ring can drive multiple shifting blocks at the same time, and the multiple shifting blocks can rotate multiple pressing blocks at the same time, so that the pressing blocks are staggered from the top of the insulator, so that the assembled insulator can be easily taken out.

[0022] Preferably, an arc-shaped rack is rotatably arranged on the pressure ring, a support screw is vertically arranged on the pressure ring, the support screw passes through the pressure ring and is threadedly connected to the pressure ring, a spur gear is coaxially arranged on the support screw, and the arc-shaped rack meshes with the spur gear.

[0023] The arc-shaped rack meshes with the spur gear. By rotating the arc-shaped rack, the support screw can be quickly rotated so that the lower end of the support screw abuts against the fixed edge, thereby raising the height of the pressure ring so that the pressure block can be turned to the top of the insulator, and then the support screw is rotated in the opposite direction so that the pressure block abuts against the upper edge of the insulator.

[0024] Preferably, the positioning mechanism includes multiple positioning frames, one end of the positioning frame extends toward the center of the positioning cylinder, the positioning frame includes a guide sleeve, a moving rod and an adjusting rod, one end of the guide sleeve is fixed to the inner wall of the positioning cylinder, one end of the moving rod is slidably connected to the guide sleeve, and the other end is provided with a support wheel, the support wheel is used to abut against the outer wall of the steel cap, and the adjusting rod is rotatably connected in the guide sleeve and threadedly connected to the moving rod.

[0025] When the adjusting rod rotates, the adjusting rod can adjust the position of the supporting wheel so that the supporting wheel can abut the steel cap against the side wall of the insulator so that the insulator presses the steel cap to prevent the steel cap from moving and ensure that the center of the steel cap coincides with the center of the insulator.

[0026] Preferably, a plug hole is provided on the lower surface of the base, and the upper end of the column corresponds to the plug hole in the vertical direction.

[0027] When the assembled insulator needs to wait for the cement to solidify, a base can be plugged into the upper end of another column through the plug hole, so that multiple tools can be stacked to reduce space occupation.

[0028] The above technical solution is adopted. The present invention rotates the horizontal rod so that the clamping assembly moves with the horizontal rod to the top of the positioning tube. At the same time, the clamping assembly clamps the steel foot, and the center line of the steel foot coincides with the center line of the positioning tube, so that the steel cap, the insulator and the steel foot are in a centered position. A gear is rotatably arranged on the horizontal rod, and the first clamping jaw and the second clamping jaw are both slidably connected to the horizontal rod, so that the racks on the first clamping jaw and the second clamping jaw are meshed with the gear, so that the first clamping jaw and the second clamping jaw move at the same time, and the center position of the U-shaped clamp remains unchanged. When the insulator is placed unevenly, the center of the insulator can be automatically overlapped with the center of the positioning tube by squeezing the pressing block, which is convenient for positioning the insulator. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a schematic structural diagram of a disc-shaped suspension insulator in an embodiment of the present invention;

[0030] Figure 2 This is a diagram showing the use status of an assembly tool for a disc-shaped suspension insulator according to an embodiment of the present invention;

[0031] Figure 3 It is a cross-sectional view of an assembly tool for a disc-shaped suspension insulator in an embodiment of the present invention;

[0032] Figure 4 is a schematic structural diagram of a cantilever in an embodiment of the present invention;

[0033] Figure 5 is a structural schematic diagram of a clamping mechanism in an embodiment of the present invention;

[0034] Figure 6 Detailed description of the invention Figure 2 is an exploded view of the clamping mechanism in an embodiment of the present invention.

[0035] Reference numerals:

[0036] 11. Steel cap; 12. Insulator; 13. Steel foot; 14. Core; 2. Base; 21. Plug-in hole; 3. Positioning cylinder; 31. Fixed edge; 4. Positioning frame; 41. Guide sleeve; 42. Moving rod; 43. Adjusting rod; 44. Support wheel; 5. Cantilever; 51. Ring; 52. Horizontal rod; 53. Clamping assembly; 531. First clamping jaw; 532. Second clamping jaw; 533. Slider; 534. Clamping mouth; 535. Gear; 536. Rack; 54. Positioning pin; 55. Reset spring; 6. Column; 61. Pin hole; 7. Clamping mechanism; 71. Pressing ring; 72. Pressing block; 73. Guide column; 74. Compression spring; 8. Synchronous ring; 81. Fixed frame; 82. Notch; 83. Shifting block; 91. Support screw; 92. Arc rack; 93. Handle. DETAILED DESCRIPTION

[0037] Combine the following Figures 1 to 6 Embodiments of the present invention are described in detail, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0038] refer to Figure 1The disc-shaped suspension insulator includes a steel cap 11, an insulator 12 and a steel leg 13. One end of the steel cap 11 is open, and the outer wall of the steel cap 11 has a tapered portion whose diameter gradually increases toward the open end. The insulator 12 is a disc-shaped structure, and the side of the insulator 12 facing the steel cap 11 is an arc surface. The center of the insulator 12 is a nest 14 protruding into the steel cap 11. The middle part of the steel leg 13 is a cylindrical outer wall, and one end of the steel leg 13 is used to be inserted into the inside of the nest 14. Cement is filled in the steel cap 11, and cement is also filled in the nest 14. The steel leg 13, the insulator 12 and the steel cap 11 are fixed by cement, and the center lines of the steel leg 13, the insulator 12 and the steel cap 11 should coincide.

[0039] Combine the following Figures 2 to 6 The present invention describes an assembly tool for a disc-shaped suspension insulator, which is used to assemble the above disc-shaped insulator, including a base 2, a positioning cylinder 3 and a positioning mechanism for positioning a steel cap 11. An insulator 12 is placed in the positioning cylinder 3, and the center of the insulator 12 is positioned by the positioning cylinder 3. The positioning cylinder 3 is fixed to the upper surface of the base 2, and the positioning mechanism is installed on the positioning cylinder 3. The center line of the steel cap 11 is coincident with the center line of the insulator 12 by the positioning mechanism; a cantilever 5 for positioning a steel foot 13 is also provided above the positioning cylinder 3, and a column 6 is provided at one end of the cantilever 5, and the column 6 is fixed to the base 2. The steel foot 13 is vertically installed on the cantilever 5, so that the center line of the steel foot 13 coincides with the center line of the insulator 12, thereby ensuring that the steel foot 13, the insulator 12 and the steel cap 11 are on the same straight line.

[0040] refer to Figure 2 and Figure 3 The upper end of the column 6 is set to be square, and a plug hole 21 is opened on the lower surface of the base 2. When the disc-shaped insulator is waiting for the cement to solidify, the base 2 of one assembly tool is matched with the upper end of the column 6 of another assembly tool through the plug hole 21, so that multiple assembly tools can be stacked and placed to reduce space occupation. The upper end of the column 6 can also be set to be round. The column 6 with a square upper end is mainly used for the position where the column 6 is located at the edge of the base 2, so that multiple assembly tools are more stable when stacked.

[0041] In this embodiment, the positioning cylinder 3 is configured to be cylindrical or conical with a center positioning function. The center line of the positioning cylinder 3 is vertically arranged. The lower end of the positioning cylinder 3 is fixed to the upper surface of the base 2. The diameter of the upper end of the positioning cylinder 3 should be smaller than the diameter of the insulator 12 and the inner side of the upper end of the positioning cylinder 3 should abut against the arc surface of the insulator 12. After the insulator 12 is placed on the upper end of the positioning cylinder 3, the shape of the insulator 12 can automatically make the center of the insulator 12 coincide with the center of the positioning cylinder 3, and the insulator 12 is higher than the upper end surface of the positioning cylinder 3. In order to make the insulator 12 stably located on the positioning cylinder 3, a clamping mechanism 7 is also arranged at the upper end of the positioning cylinder 3. The clamping mechanism 7 is used to press the insulator 12 onto the positioning cylinder 3.

[0042] refer to Figure 3 The positioning mechanism includes multiple positioning frames 4, which are evenly arranged on the peripheral wall of the positioning tube 3, one end of the positioning frame 4 extends toward the center of the positioning tube 3, and the multiple positioning frames 4 extend to the center of the positioning tube 3 The length of the positioning frames 4 extending to the center of the positioning tube 3 is the same, the opening of the steel cap 11 is facing upward, and the steel cap 11 is placed in the middle position of the multiple positioning frames 4, so that the conical part of the steel cap 11 abuts against the end of the multiple positioning frames 4, and then the multiple positioning frames 4 make the center of the steel cap 11 coincide with the center of the positioning tube 3.

[0043] The positioning frame 4 extends from the inner wall of the positioning cylinder 3 to the center of the positioning cylinder 3 and is gradually tilted upward. The positioning frame 4 includes a guide sleeve 41, a moving rod 42 and an adjusting rod 43. The length directions of the guide sleeve 41, the moving rod 42 and the adjusting rod 43 are all arranged in parallel. One end of the guide sleeve 41 is fixed on the inner wall of the positioning cylinder 3. The cross section of the moving rod 42 is square. The moving rod 42 is slidably inserted in the inside of the guide sleeve 41. The adjusting rod 43 is rotatably connected to the side wall of the positioning cylinder 3, and one end of the adjusting rod 43 extends out from the positioning cylinder 3. The adjusting rod 43 is located at the center of the guide sleeve 41, so that one end of the adjusting rod 43 is inserted into the inside of the moving rod 42 and is threadedly connected with the moving rod 42. One end of the adjusting rod 43 located outside the guide sleeve 41 is rotatably connected to a support wheel 44, which abuts against the outer wall of the steel cap 11 through the support wheel 44, thereby reducing the wear of the positioning frame 4 on the outer wall of the steel cap 11, and also facilitating the removal of the steel cap 11 from the middle of multiple positioning frames 4 after the cement solidifies. When the adjusting rod 43 is rotated at the same time, the position of the moving rod 42 can be adjusted to adjust the depth of the steel cap 11 in the positioning tube 3, so that the upper end of the steel cap 11 is just in contact with the outer wall of the insulator 12, ensuring the accurate positioning of the upper and lower positions of the steel cap 11 and the insulator 12. At the same time, the insulator 12 presses the steel cap 11 to stabilize the position of the steel cap 11. In addition, the squeezing of the steel cap 11 by the insulator 12 can also restore the deflected steel cap 11 to a vertical state.

[0044] refer to Figure 3 and Figure 4The cantilever 5 includes a collar 51, a horizontal rod 52, a clamping assembly 53 and a positioning pin 54. The collar 51 is used to be rotatably connected to the column 6. One end of the horizontal rod 52 is fixed to the collar 51 so that the horizontal rod 52 can rotate around the column 6 along with the collar 51. The clamping assembly 53 is arranged at one end of the horizontal rod 52 away from the collar 51. The clamping assembly 53 is used to vertically clamp the steel foot 13. The positioning pin 54 is connected to the horizontal rod 52, and one end of the positioning pin 54 penetrates from the side wall of the collar 51. At the same time, a pin hole 61 is opened on the side wall of the column 6. When the horizontal rod 52 rotates to the top of the positioning cylinder 3 and the steel foot 13 clamped by the clamping assembly 53 is at the center of the positioning cylinder 3, the end of the positioning pin 54 corresponds to the pin hole 61, and the positioning pin 54 is inserted into the pin hole 61, so that the center of the steel foot 13 coincides with the center of the positioning cylinder 3.

[0045] The positioning pin 54 is slidably connected to the horizontal rod 52, and the length direction of the positioning pin 54 is parallel to the length direction of the horizontal rod 52. A reset spring 55 is sleeved on the positioning pin 54, and one end of the reset spring 55 is used to abut against the positioning pin 54, so that the positioning pin 54 has a tendency to move toward the column 6, so that when the horizontal rod 52 is rotated horizontally, the positioning pin 54 on the horizontal rod 52 coincides with the center of the steel foot 13 and the positioning cylinder 3, and the positioning pin 54 is automatically inserted into the pin hole 61 under the action of the reset spring 55. When the positioning pin 54 is pulled out from the pin hole 61, the horizontal rod 52 can be rotated to one side of the positioning cylinder 3, so that the assembled insulator can be easily taken out from the positioning cylinder 3.

[0046] refer to Figure 4The clamping assembly 53 includes a first clamping jaw 531 and a second clamping jaw 532. The first clamping jaw 531 is connected to a slider 533. The first clamping jaw 531 and the second clamping jaw 532 form a U-shaped clamping opening 534. The U-shaped clamping opening 534 is oriented horizontally and perpendicular to the horizontal rod 52, so that when the horizontal rod 52 rotates, the steel leg 13 can be taken out from the opening of the clamping opening 534. The positions of the first clamping jaw 531 and the second clamping jaw 532 for clamping the steel leg 13 are both set to arc-shaped surfaces, so that the first clamping jaw 531 and the second clamping jaw 532 are clamped on the side wall of the steel leg 13. The second clamping jaw 532 is connected to the horizontal rod 52 by sliding along the length direction of the horizontal rod 52. At the same time, the first clamping jaw 531 is fixed on the slider 533. The slider 533 is sleeved on the horizontal rod 52 and slides along the length direction of the horizontal rod 52. In order to make the center position of the clamping opening 534 relatively stable, a gear 535 is rotatably connected to the horizontal rod 52, and racks 536 are provided on the first clamping jaw 531 and the second clamping jaw 532. The two racks 536 are meshed with the gear 535 and are located on both sides of the gear 535, so that when the first clamping jaw 531 and the second clamping jaw 532 move along the horizontal rod 52, the center position of the clamping opening 534 remains unchanged. At the same time, the first clamping jaw 531 is connected to the positioning pin 54. When the positioning pin 54 is inserted into the pin hole 61 under the action of the reset spring 55, the positioning pin 54 will drive the first clamping jaw 531 to move in the clamping direction, and the second clamping jaw 532 will also move at the same time under the action of the gear 535, so that the positioning of the steel foot 13 can be relatively convenient.

[0047] In order to ensure that the first clamping jaw 531 and the second clamping jaw 532 can clamp the steel foot 13 , the positioning pin 54 is not inserted to the bottom of the pin hole 61 , that is, the force of the return spring 55 is used to clamp the first clamping jaw 531 and the second clamping jaw 532 on the steel foot 13 . When installing the steel foot 13, the steel foot 13 can be placed in the center 14 of the insulator 12 first, and then the horizontal rod 52 can be rotated to make the steel foot 13 enter the clamping opening 534. When the positioning pin 54 is inserted into the pin hole 61, the reset spring 55 automatically clamps the clamping assembly 53 on the steel foot 13, and the first clamping jaw 531 and the second clamping jaw 532 automatically make the center of the steel foot 13 coincide with the center of the insulator 12. When removing the insulator, first pull the first clamping jaw 531, and the first clamping jaw 531 simultaneously drives the positioning pin 54 to be removed from the pin hole 61, and at the same time opens the clamping assembly 53, so that the horizontal rod 52 can be rotated horizontally, so that the steel foot 13 is moved out of the opening of the clamping opening 534, so that the horizontal rod 52 and the insulator are misaligned, and then the assembled insulator can be removed.

[0048] refer to Figure 5 and Figure 6 The clamping mechanism 7 includes a pressing ring 71 and a pressing block 72, combined with Figure 3A fixed edge 31 is fixedly provided on the outer wall of the upper end of the positioning cylinder 3, and a plurality of vertical guide holes are opened on the fixed edge 31. The pressure ring 71 is located above the fixed edge 31 and a gap is left between the pressure ring 71 and the pressure ring 71. A plurality of guide posts 73 are fixedly provided at the lower part of the pressure ring 71. The guide posts 73 are vertically arranged. A plurality of guide posts 73 can be evenly arranged along the circumference of the pressure ring 71. The guide posts 73 are slidably fitted in the guide holes, and a compression spring 74 is sleeved on the guide posts 73. One end of the compression spring 74 abuts on the guide post 73, and the other end abuts on the lower surface of the fixed edge 31. The compression spring 74 is used to make the guide post 73 have a tendency to move downward. The pressure block 72 is rotatably connected to the pressure ring 71. The diameter of the center of the pressure ring 71 is larger than the diameter of the insulator 12. The pressure block 72 is located on the upper surface of the pressure ring 71. The pressing block 72 is located at the edge position of the inner side of the pressing ring 71. The pressing block 72 is eccentrically arranged on the pressing ring 71, so that the pressing block 72 can be rotated to the inner side of the pressing ring 71. The pressing block 72 is used to press against the upper edge of the insulator 12. A plurality of pressing blocks 72 are evenly arranged around the center of the pressing ring 71. The plurality of pressing blocks 72 squeeze the insulator 12, so that the insulator 12 can be placed in a horizontal state through the action of the compression spring 74, so that the center line of the insulator 12 is vertical and coincides with the center of the positioning tube 3. Even if the insulator 12 is in an inclined state when placed in the positioning tube 3, the insulator 12 can still be restored to a horizontal state through the plurality of pressing blocks 72, so that the placement of the insulator 12 is relatively convenient and the center of the insulator 12 is accurately coincident with the center of the positioning tube 3.

[0049] In this embodiment, in order to facilitate the simultaneous rotation of multiple pressing blocks 72, a synchronization ring 8 is provided on the upper surface of the pressing ring 71, and a fixing frame 81 is provided on the inner side of the synchronization ring 8. The synchronization ring 8 is rotatably connected to the pressing ring 71 through the fixing frame 81. At the same time, a notch 82 is provided on the inner side of the synchronization ring 8 at a position corresponding to each pressing block 72. A shifting block 83 is fixedly provided on the pressing block 72, and the shifting block 83 is inserted into the notch 82. When the synchronization ring 8 is rotated, the multiple pressing blocks 72 are driven by the shifting blocks 83 in the notch 82, so that the insulator 12 can be quickly fixed or released.

[0050] After the pressure block 72 is offset from the top of the insulator 12, the compression spring 74 automatically moves the pressure ring 71 downward and against the fixed edge 31, making it inconvenient to lift the pressure ring 71 again and press the pressure block 72 onto the insulator 12. Therefore, a support screw 91 is provided on the pressure ring 71. The support screw 91 is threadedly connected to the pressure ring 71, and the support screw 91 vertically penetrates the pressure ring 71. The lower end of the support screw 91 is used to abut against the upper surface of the fixed edge 31. In this embodiment, in order to facilitate the rotation of the support screw 91, a spur gear is coaxially arranged on the side wall of the support screw 91, and an arc-shaped rack 92 is rotatably connected to the pressure ring 71, so that the spur gear is engaged with the arc-shaped rack 92. By rotating the arc-shaped rack 92 with a handle 93 arranged on the arc-shaped rack 92, the support screw 91 can be conveniently rotated multiple times to allow the support screw 91 to rotate quickly and complete the lifting of the pressure ring 71. After the pressure block 72 is rotated to the top of the insulator 12, the support screw 91 is rotated in the opposite direction to loosen the support screw 91 from abutting the fixed edge 31.

[0051] Assembly process of insulators:

[0052] First, rotate the steel cap 11 into the positioning tube 3, with the opening of the steel cap 11 facing upward. The steel cap 11 is located at the center of the positioning tube 3 under the action of multiple positioning frames 4; then add cement into the steel cap 11, and then rotate the insulator 12 at the opening at the upper end of the positioning tube 3, insert the core 14 of the insulator 12 into the steel cap 11, and rotate the synchronizer ring 8 at the same time to make the multiple pressure blocks 72 above the edge of the insulator 12, and then loosen the support screw 91, and use the force of the compression spring 74 to make the multiple pressure blocks 72 abut against the insulator 12. At this time, the insulator 12 is in a horizontal state, and then add cement into the core 14 of the insulator 12, and then insert the steel foot 13 into the core 14, and rotate the horizontal rod 52 horizontally so that the clamping assembly 53 on the horizontal rod 52 clamps the cylindrical part of the steel foot 13, so that the center of the steel foot 13 coincides with the center of the insulator 12, and maintain the position of the steel foot 13 to wait for the cement to solidify. When the insulator is assembled, the first clamp 531 is pulled again, so that the first clamp 531 drives the positioning pin 54 to be taken out from the pin hole 61 at the same time, and the horizontal rod 52 is rotated horizontally so that the steel foot 13 can be taken out from the clamp 534. The horizontal rod 52 is displaced from the top of the insulator 12, and then the multiple pressure blocks 72 are displaced from the top of the insulator 12 through the synchronization ring 8. At this time, the insulator can be taken out upward from the positioning tube 3.

[0053] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0054] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0055] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. An assembly tool for a disc-shaped suspension insulator, comprising a base, a positioning cylinder and a positioning mechanism mounted on the positioning cylinder for positioning a steel cap, wherein the positioning cylinder is vertically fixedly mounted on the base for positioning the insulator, and characterized in that: Also included is a cantilever for positioning the steel foot, the cantilever comprising: The collar has a column at its center, the column is vertically fixed on the base and is offset from the positioning tube, and the collar is rotatably connected to the column; A horizontal rod, one end of which is fixed on the collar, and the horizontal rod rotates horizontally with the collar, and is located above the positioning cylinder or at a position offset from the positioning cylinder; The clamping assembly is arranged at one end of the horizontal rod away from the collar. When the horizontal rod is above the positioning cylinder, the clamping assembly is used to vertically clamp the cylindrical part of the steel foot. When the horizontal rod is offset from the positioning cylinder, the clamping assembly releases the steel foot. A positioning pin, which is used to fix the collar when the horizontal rod is rotated to above the positioning cylinder; The clamping assembly comprises a first clamping jaw and a second clamping jaw; the first clamping jaw and the second clamping jaw are both slidably connected to the horizontal rod along the length direction of the horizontal rod, the first clamping jaw and the second clamping jaw form a U-shaped clamping opening, and the opening of the clamping opening is arranged horizontally and perpendicular to the horizontal rod, the clamping opening is used to place the steel foot, and the steel foot is clamped by the relative movement of the first clamping jaw and the second clamping jaw; A gear is rotatably arranged on the horizontal rod, and racks are arranged on the first clamping jaw and the second clamping jaw. The two racks are meshed with the gear and are located on both sides of the gear.

2. The assembly tool for a disc-shaped suspension insulator according to claim 1, characterized in that: A return spring is sleeved on the positioning pin, and the positioning pin is fixed to the first clamping jaw. The force of the return spring is used to clamp the first clamping jaw and the second clamping jaw, and at the same time, the positioning pin is inserted into the pin hole of the column to fix the collar.

3. The assembly tool for a disc-shaped suspension insulator according to claim 1, characterized in that: The insulator in the positioning tube is higher than the upper end surface of the positioning tube. A clamping mechanism is provided at the upper end of the positioning tube. The clamping mechanism includes a pressing ring and a pressing block. The pressing ring is vertically slidably connected to the positioning tube, and the pressing ring is spaced apart from the upper end of the positioning tube. There are multiple pressing blocks and they are used to press against the upper edge of the insulator.

4. The assembly tool for a disc-shaped suspension insulator according to claim 3, characterized in that: A fixed edge is fixedly provided on the upper end of the positioning cylinder, a guide hole is opened on the fixed edge, a guide column is fixedly provided on the lower surface of the pressure ring, the guide column is slidably connected in the guide hole, a compression spring is sleeved on the guide column, one end of the compression spring abuts against the guide column, and the force of the compression spring on the guide column is used to press the pressure block to press the insulator down.

5. The assembly tool for disc-shaped suspension insulator according to claim 4, characterized in that: A synchronous ring is rotatably arranged on the pressure ring, a pressure block is rotatably connected to the pressure ring, a shift block is arranged on the pressure block, and a notch for connecting the shift block is opened on the synchronous ring.

6. The assembly tool for disc-shaped suspension insulator according to claim 5, characterized in that: An arc-shaped rack is rotatably arranged on the pressure ring, a support screw is vertically arranged on the pressure ring, the support screw passes through the pressure ring and is threadedly connected with the pressure ring, a spur gear is coaxially arranged on the support screw, and the arc-shaped rack is meshed with the spur gear.

7. The assembly tool for a disc-shaped suspension insulator according to claim 1, characterized in that: The positioning mechanism includes multiple positioning frames, one end of which extends toward the center of the positioning cylinder. The positioning frame includes a guide sleeve, a moving rod and an adjusting rod. One end of the guide sleeve is fixed to the inner wall of the positioning cylinder, one end of the moving rod is slidably connected to the guide sleeve, and the other end is provided with a supporting wheel. The supporting wheel is used to abut against the outer wall of the steel cap. The adjusting rod is rotatably connected in the guide sleeve and is threadedly connected to the moving rod.

8. The assembly tool for disc-shaped suspension insulator according to claim 1, characterized in that: A plugging hole is provided on the lower surface of the base, and the upper end of the column corresponds to the plugging hole in the vertical direction.

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