CN214264528U

CN214264528U - Tower foot welding and positioning device of power transmission and transformation iron tower

Info

Publication number: CN214264528U
Application number: CN202120207615.7U
Authority: CN
Inventors: 黄本俊; 胡万华; 李亚军; 张贤
Original assignee: Changzhou Feihuang Steel Pole Co ltd
Current assignee: Changzhou Feihuang Steel Pole Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-09-24
Anticipated expiration: 2031-01-25

Abstract

The utility model relates to a tower foot welding position device of power transmission and transformation iron tower belongs to the field of power transmission and transformation iron tower, and it is including the base that is used for placing the tower foot and install a plurality of positioning fixture on the base, each positioning fixture includes the grip block of two relative settings and installs the locking structure on the base, each the grip block includes vertical grip block and horizontal grip block, vertical grip block is mutually perpendicular with the base, horizontal grip block vertical fixation is in the one end that vertical grip block is close to the base, horizontal grip block is close to the one side of base and the bottom plate laminating of tower foot, vertical grip block is connected with locking structure, locking structure is used for grip block and tower foot relatively fixed. This application has the welding straightness that hangs down that improves the column foot, reduces welding deformation for the more stable effect of structure of column foot.

Description

Tower foot welding and positioning device of power transmission and transformation iron tower

Technical Field

The application relates to the field of power transmission and transformation iron towers, in particular to a tower foot welding and positioning device of a power transmission and transformation iron tower.

Background

The power transmission and transformation iron tower is called as electric iron tower for short, and its various tower types are all space truss structure, and the rod member is mainly formed from single equilateral angle steel or combined angle steel, and the whole tower is formed from angle steel, connecting steel plate and bolt, and its individual components, such as tower foot, etc. are welded into an assembly by means of several steel plates. The tower foot of power transmission and transformation iron tower is the welding subassembly, is the main support component of whole power transmission and transformation iron tower structure, therefore its welding quality influences the structural stability and the life of whole power transmission and transformation circuit iron tower with the stability of its own structure.

Referring to fig. 1, the associated tower foot 1 comprises a base plate 11, a main plate 12, a first side plate 13 and a second side plate 14. Wherein, mainboard 12 vertical welding fixes in 11 middle parts of bottom plate, first curb plate 13 and second curb plate 14 are located the both sides of mainboard 12 respectively, first curb plate 13 and mainboard 12 and the equal vertical welding of bottom plate 11 are fixed, second curb plate 14 also all vertical welding fixed with mainboard 12 and bottom plate 11, mainboard 12, all offer a plurality of tower connecting holes 121 that are used for being connected with tower main material on first curb plate 13 and the second curb plate 14, the lower margin preformed hole 111 that is used for being connected with pre-buried base 2 is offered to four edges of bottom plate 11.

In view of the above-mentioned related technologies, the inventor believes that the welding perpendicularity is difficult to be ensured when the related tower legs are welded and spliced, so that the structural deviation of the tower legs is large, and the structural stability of the tower legs is affected.

SUMMERY OF THE UTILITY MODEL

In order to improve the column foot when the welding amalgamation, the welding straightness that hangs down is not high for the great problem of structural deviation of column foot, this application provides a power transmission and transformation iron tower's column foot welding position device.

The application provides a tower foot welding position device of power transmission and transformation iron tower adopts following technical scheme:

the utility model provides a tower foot welding position device of power transmission and transformation iron tower, is including the base that is used for placing the tower foot and install a plurality of positioning fixture on the base, each positioning fixture includes the grip block of two relative settings and installs the locking structure on the base, each the grip block includes vertical grip block and horizontal grip block, vertical grip block is mutually perpendicular with the base, horizontal grip block vertical fixation is close to the one end of base at vertical grip block, horizontal grip block is close to the one side of base and the laminating of bottom plate of tower foot, vertical grip block is connected with locking structure, locking structure is used for grip block and tower foot relatively fixed.

Through adopting above-mentioned technical scheme, when the staff is carrying out the welding amalgamation of tower foot, place the bottom plate laminating of tower foot on the base, fix the mainboard on the bottom plate through positioning fixture afterwards. The main board is placed between the two clamping blocks, so that each transverse clamping block is kept attached to the bottom board, the clamping blocks are fixed through the locking structures by the aid of the side wall butt of the vertical clamping block and the main board, and the transverse clamping blocks and the vertical clamping blocks are mutually perpendicular to each other, so that the main board and the bottom board are kept in a perpendicular state. And then, welding and fixing the main board and the bottom board by workers. Afterwards, the staff adopts same mode to carry out vertical location with first curb plate and second curb plate in proper order through positioning fixture to weld and fix, accomplish the welding concatenation of tower foot, effectively improve the welding straightness that hangs down of tower foot, reduce welding deformation, make the structure of tower foot more stable.

Optionally, the locking structure includes a bottom pillar, two first sliders and two locking screws, the bottom pillar is mounted on the base, a first chute matched with the first slider is formed in the side wall, close to the tower foot, of the bottom pillar along the length direction of the bottom pillar, the first sliders are located in the first chutes, the two locking screws penetrate through two ends of the bottom pillar in the length direction, the locking screws correspond to the first sliders one to one, one end, penetrating through the bottom pillar, of each locking screw is rotatably connected with the first slider close to the bottom pillar, the locking screws are in threaded connection with the bottom pillar, one side, close to the locking structure, of each vertical clamping block is connected with a connecting rod, and one end, far away from the vertical clamping block, of each connecting rod is fixedly connected with the first slider close to the vertical clamping block.

Through adopting above-mentioned technical scheme, the staff rotates the locking screw at both ends, makes two first sliders move in opposite directions, and then first slider passes through the connecting rod and drives two grip blocks move in opposite directions, makes two grip blocks all with the tower foot butt, and two grip blocks pass through the mutual butt of tower foot to realize relatively fixed, easy operation. Simultaneously, can adjust the position of grip block through the locking screw, then adjust the mounted position of the mainboard, first curb plate or the second curb plate of tower foot.

Optionally, each locking screw is provided with a through hole on the circumferential surface of the end far away from the first slider, a rotating rod is arranged in the through hole in a penetrating manner, and the rotating rod is connected with the locking screw in a sliding manner through the through hole.

Through adopting above-mentioned technical scheme, the screw rod is convenient for rotate in the setting of dwang to make things convenient for locking structure to the fixed of grip block. The dwang is through perforation and screw rod sliding connection to the relative position of adjustment dwang and screw rod, staff is difficult for appearing the dwang and the dead condition of card appears in the base when rotating the screw rod through the dwang.

Optionally, a second sliding groove is formed in the side wall, close to the connecting rod, of the vertical clamping block, the second sliding groove extends along the height direction of the vertical clamping block, a second sliding block is connected in the second sliding groove in a sliding mode, and one end, far away from the first sliding block, of the connecting rod is fixedly connected with the second sliding block.

Through adopting above-mentioned technical scheme, the grip block passes through second spout and second slider sliding connection for the grip block moves the adjustment on the direction of height, and then makes horizontal grip block and the bottom plate of tower foot keep laminating, thereby ensures positioning fixture's the tight location effect of clamp.

Optionally, a tip is formed on a side wall of each vertical clamping block, which is far away from the transverse clamping block, and the tip extends along the height direction of the vertical clamping block.

Through adopting above-mentioned technical scheme, the grip block is when welding the centre gripping fixed to the column foot, and most advanced and column foot butt become line contact by the face contact, effectively reduce the straightness error that hangs down that the plane unevenness caused, the straightness that hangs down when improving the welding of column foot and piecing together.

Optionally, a positioning pin matched with the foot margin preformed hole of the tower foot is fixedly arranged on the base.

Through adopting above-mentioned technical scheme, when the staff placed the bottom plate of column foot on the base, made the locating pin insert in the lower margin preformed hole of column foot, made things convenient for the installation location of the bottom plate of column foot, improved the convenience of column foot concatenation.

Optionally, each be provided with fixed knot on the locating pin constructs, fixed knot constructs and is used for being connected the bottom plate of tower foot with the base and fixes, fixed knot constructs including connecting screw, lock nut and briquetting, the locating pin is kept away from and is seted up the connection blind hole on the terminal surface of base, connecting screw passes through connection blind hole and locating pin threaded connection, the briquetting cover is established on connecting screw, the briquetting is close to the one end of base and has been seted up the recess, the locating pin is located the recess, lock nut is located the briquetting and keeps away from the one end of base, lock nut and connecting screw threaded connection.

Through adopting above-mentioned technical scheme, the staff will connecting screw and locating pin threaded connection, with the briquetting cover in the location, again with lock nut and connecting screw threaded connection, make the bottom plate butt of briquetting and tower foot through the lock nut of screwing to be connected fixedly with bottom plate and base, when carrying out the welding of tower foot, the bottom plate is difficult for removing.

Optionally, a rubber pad is bonded and fixed at one end of the pressing block close to the base.

Through adopting above-mentioned technical scheme, when the staff was connected fixedly through the briquetting to the bottom plate and the base of column foot, the rubber pad increased the bottom plate area of contact of briquetting and column foot, improved the fixed effect to the bottom plate to play the effect of protection to the bottom plate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the positioning clamp, the welding perpendicularity of the tower leg is effectively improved, the welding deformation is reduced, and the structure of the tower leg is more stable;

2. the positioning pins are arranged, so that the installation and the positioning of the bottom plate of the tower foot are facilitated, and the splicing convenience of the tower foot is improved;

3. through setting up fixed knot structure, be convenient for be connected the bottom plate of tower foot with the base and fix, make the tower foot when welding, the bottom plate is difficult for removing.

Drawings

Fig. 1 is a schematic view of an overall structure of a tower foot in the related art.

Fig. 2 is an overall structure schematic diagram of a tower foot welding and positioning device of a power transmission and transformation iron tower according to an embodiment of the present application.

Fig. 3 is a top view of a tower foot welding and positioning device of a power transmission and transformation tower according to an embodiment of the present application.

Fig. 4 is an exploded view of a fixed structure in an embodiment of the present application.

Fig. 5 is an exploded view of a positioning jig in the embodiment of the present application.

Description of reference numerals: 1. a tower foot; 11. a base plate; 111. reserving a hole for the anchor; 12. a main board; 121. connecting holes of the tower body; 13. a first side plate; 14. a second side plate; 2. a base; 21. a positioning structure; 211. positioning pins; 2111. connecting the blind holes; 22. a fixed structure; 221. connecting a screw rod; 222. locking the nut; 223. briquetting; 2231. a groove; 224. a rubber pad; 3. positioning a clamp; 31. a clamping block; 311. a vertical clamping block; 3111. a tip; 3112. a second chute; 312. a transverse clamping block; 32. a locking structure; 321. a bottom pillar; 3211. a first chute; 322. a connecting plate; 323. a first slider; 324. locking the screw rod; 325. rotating the rod; 326. a second slider; 327. a connecting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses power transmission and transformation iron tower's column foot welding position device. Referring to fig. 1 and 2, a tower foot welding and positioning device for a power transmission and transformation iron tower comprises a square base 2, a positioning structure 21 and four groups of positioning fixtures 3 arranged on the base 2. The positioning structure 21 is used for installing and positioning the bottom plate 11 of the tower foot 1. Four sets of positioning fixtures 3 are respectively located at four edges of the base 2. The positioning fixture 3 is used for clamping and fixing the main plate 12, the first side plate 13 or the second side plate 14 of the tower foot 1, so that the main plate 12, the first side plate 13 and the second side plate 14 are perpendicular to the bottom plate 11 of the tower foot 1.

Referring to fig. 3 and 4, the positioning structure 21 includes two positioning pins 211, the two positioning pins 211 are adapted to the anchor preformed holes 111 of the tower foot 1, and the positioning pins 211 are welded and fixed to the base 2. The positioning pin 211 is provided with a fixing structure 22 for connecting and fixing the bottom plate 11 and the base 2. The fixing structure 22 includes a connecting screw 221 and a pressing block 223. The surface of the positioning pin 211 away from the base 2 is provided with a blind connecting hole 2111. The connecting screw 221 is vertically inserted into the connecting blind hole 2111, and the connecting screw 221 is in threaded connection with the positioning pin 211 through the connecting blind hole 2111. The pressing block 223 is cylindrical, the pressing block 223 is sleeved on the connecting screw rod 221, a circular groove 2231 is formed in the bottom surface of the pressing block 223, and the positioning pin 211 is located in the groove 2231. The connecting screw 221 is threadedly connected with a locking nut 222 for locking a pressing block 223. When the bottom plate 11 is installed on the base 2, the positioning pins 211 are inserted into the anchor reserved holes 111, and the two positioning pins 211 are located at opposite corners of the bottom plate 11. When the bottom plate 11 and the base 2 are fixedly connected through the fixing structure 22, the connecting screw 221 is in threaded connection with the positioning pin 211, the pressing block 223 is sleeved on the connecting screw 221, the bottom end of the pressing block 223 is abutted to the bottom plate 11, then the pressing block 223 is locked by screwing the locking nut 222, and the bottom plate 11 and the base 2 can be fixedly connected. In order to prevent the bottom plate 11 from being scratched or deformed due to the pressing of the pressing block 223, a rubber pad 224 is bonded and fixed to one end of the pressing block 223 close to the base 2.

Referring to fig. 2 and 5, the positioning jig 3 includes a locking structure 32 and oppositely disposed clamping blocks 31 connected to the locking structure 32, and each clamping block 31 includes a vertical clamping block 311 and a horizontal clamping block 312. The vertical clamping block 311 is perpendicular to the base 2, and the horizontal clamping block 312 is integrally formed with one end of the vertical clamping block 311 close to the base 2. The lateral wall outer wall protrusion that horizontal clamping block 312 was kept away from to vertical clamping block 311 forms pointed end 3111, and the cross section of pointed end 3111 is isosceles triangle, and pointed end 3111 extends the setting along the both ends of vertical clamping block 311.

Referring to fig. 2 and 5, each locking structure 32 includes a bottom pillar 321, a connecting plate 322 welded to one side wall of the bottom pillar 321 in the length direction, and the connecting plate 322 detachably connected to the base 2 by bolts. A first sliding groove 3211 is formed in the side wall of the bottom pillar 321 near the center of the base 2, the cross section of the first sliding groove 3211 is "T" shaped, and two first sliding blocks 323 are slidably connected in the first sliding groove 3211. The two ends of the bottom pillar 321 in the length direction are provided with locking screws 324, and each locking screw 324 penetrates through one end of the first sliding chute 3211 to be rotatably connected with the first sliding block 323 adjacent to the first sliding chute. A through hole is formed on the circumferential surface of one end of each locking screw 324 far away from the first slider 323, and a rotating rod 325 is slidably inserted in the through hole to facilitate the rotation of the locking screw 324. The two axial ends of the rotating rod 325 are integrally formed with spherical blocks, so that the rotating rod 325 is not easy to fall off from the through hole.

Referring to fig. 2 and 5, a second sliding groove 3112 is formed in one side of each vertical clamping block 311 close to the bottom pillar 321, the cross section of the second sliding groove 3112 is "T" shaped, and a second sliding block 326 is slidably connected in each second sliding groove 3112. And a connecting rod 327 is welded and fixed on one side of each second sliding block 326 far away from the vertical clamping block 311, and one end of the connecting rod 327 far away from the second sliding block 326 is welded and fixed with the first sliding block 323 close to the second sliding block 326. Through the locking screw 324 who rotates sill post 321 both ends, make two first sliders 323 move in opposite directions, then first slider 323 drives two grip blocks 31 through connecting rod 327 and moves in opposite directions, places mainboard 12, first curb plate 13 or the second curb plate 14 of tower foot 1 between two grip blocks 31, and two grip blocks 31 butt each other to the realization is to mainboard 12, first curb plate 13 or the fixed of second curb plate 14.

The implementation principle of the tower foot welding and positioning device of the power transmission and transformation iron tower is as follows: when welding and splicing the tower legs 1, a worker places the bottom plate 11 of the tower legs 1 on the base 2 in a fitting manner, inserts the positioning pins 211 into the anchor reserved holes 111 of the tower legs 1, and fixes the bottom plate 11 and the base 2 through the fixing structure 22. Subsequently, the worker mounts the positioning jig 3 on the base 2 as required. Then, the worker can first place the main board 12 between the two clamping blocks 31, and the lateral clamping block 312 slides downward under the action of its own gravity, so as to keep fit with the bottom board 11. Then, the worker fixes the vertical clamping block 311 to the side wall of the main board 12 by the locking structure 32, and the horizontal clamping block 312 and the vertical clamping block 311 are perpendicular to each other, so that the main board 12 and the bottom board 11 are kept in a perpendicular state. Subsequently, the worker welds and fixes the main board 12 and the bottom board 11. Afterwards, the staff adopts same mode to carry out vertical positioning with first curb plate 13 and second curb plate 14 in proper order through positioning fixture 3 to weld and fix, accomplish the welding concatenation of tower foot 1, effectively improve the welding straightness that hangs down of tower foot 1, reduce welding deformation, make the structure of tower foot 1 more stable.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a tower foot welding position device of power transmission and transformation iron tower which characterized in that: including base (2) and a plurality of positioning fixture (3) of installing on base (2) that are used for placing tower foot (1), each positioning fixture (3) include two relative grip block (31) that set up and install locking structure (32) on base (2), each grip block (31) include vertical grip block (311) and horizontal grip block (312), vertical grip block (311) are mutually perpendicular with base (2), horizontal grip block (312) vertical fixation is in the one end that vertical grip block (311) is close to base (2), one side that horizontal grip block (312) are close to base (2) is laminated with bottom plate (11) of tower foot (1), vertical grip block (311) are connected with locking structure (32), locking structure (32) are used for fixing grip block (31) and tower foot (1) relatively.

2. The tower foot welding and positioning device of the power transmission and transformation iron tower is characterized in that: the locking structure (32) comprises a bottom column (321), two first sliding blocks (323) and two locking screw rods (324), the bottom column (321) is installed on the base (2), the side wall of the bottom column (321) close to the tower foot (1) is provided with a first sliding groove (3211) matched with the first sliding blocks (323) along the length direction of the side wall, the first sliding blocks (323) are located in the first sliding grooves (3211), the two locking screw rods (324) are arranged at the two ends of the bottom column (321) in the length direction in a penetrating manner, the locking screw rods (324) are in one-to-one correspondence with the first sliding blocks (323), one end of each locking screw rod (324) penetrating into the bottom column (321) is rotatably connected with the first sliding block (323) close to the bottom column, the locking screw rods (324) are in threaded connection with the bottom column (321), one side of each vertical clamping block (311) close to the locking structure (32) is connected with a connecting rod (327), one end of each connecting rod (327) far away from the vertical clamping block (311) is fixedly connected with the first sliding block (323) close to the connecting rod.

3. The tower foot welding and positioning device of the power transmission and transformation iron tower is characterized in that: each locking screw (324) is kept away from and is seted up the perforation on the global of the one end of first slider (323), wear to be equipped with dwang (325) in the perforation, dwang (325) are through perforation and locking screw (324) sliding connection.

4. The tower foot welding and positioning device of the power transmission and transformation iron tower is characterized in that: vertical grip block (311) are close to and have been seted up second spout (3112) on the lateral wall of connecting rod (327), second spout (3112) extend the setting along the direction of height of vertical grip block (311), sliding connection has second slider (326) in second spout (3112), the one end and second slider (326) fixed connection of first slider (323) are kept away from in connecting rod (327).

5. The tower foot welding and positioning device of the power transmission and transformation iron tower is characterized in that: the side wall of each vertical clamping block (311) far away from the transverse clamping block (312) is provided with a tip (3111), and the tip (3111) extends along the height direction of the vertical clamping block (311).

6. The tower foot welding and positioning device of the power transmission and transformation iron tower is characterized in that: and the base (2) is fixedly provided with a positioning pin (211) matched with the foundation preformed hole (111) of the tower foot (1).

7. The tower foot welding and positioning device of the power transmission and transformation iron tower is characterized in that: the positioning pin (211) is provided with a fixing structure (22), the fixing structure (22) is used for connecting and fixing the bottom plate (11) of the tower leg (1) and the base (2), the fixing structure (22) comprises a connecting screw rod (221), a locking nut (222) and a pressing block (223), a connecting blind hole (2111) is arranged on the end surface of the positioning pin (211) far away from the base (2), the connecting screw rod (221) is in threaded connection with the positioning pin (211) through a connecting blind hole (2111), the pressing block (223) is sleeved on the connecting screw rod (221), one end of the pressing block (223) close to the base (2) is provided with a groove (2231), the positioning pin (211) is positioned in the groove (2231), the locking nut (222) is positioned at one end, far away from the base (2), of the pressing block (223), and the locking nut (222) is in threaded connection with the connecting screw rod (221).

8. The tower foot welding and positioning device of the power transmission and transformation iron tower, according to claim 7, is characterized in that: one end of the pressing block (223) close to the base (2) is fixedly bonded with a rubber pad (224).