CN214978857U

CN214978857U - Stator base welding positioning device

Info

Publication number: CN214978857U
Application number: CN202121082483.6U
Authority: CN
Inventors: 王珑; 赵天瑜; 程东生
Original assignee: Sinohydro Engineering Bureau 4 Co Ltd
Current assignee: Sinohydro Engineering Bureau 4 Co Ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-12-03
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a stator base welding position device, including foundation ditch and stator base, the stator base joint is installed the foundation ditch top, the foundation ditch is inside to be close to stator base position department is provided with righting mechanism, righting mechanism includes hydraulic pump group, drive connecting rod, supports the side lever, cushions pillar, supporting spring and fixed angle seat, hydraulic pump group sets up foundation ditch central point puts department, the fixed cover of drive connecting rod is established hydraulic pump group top. The utility model discloses by fixed angle seat to being connected of drive connecting rod and stator base inner wall, carry out the level (l) ing to the position of transferring of stator base to the support of strutting the side lever is strutted with supporting spring to cooperation buffering pillar, can strut the side lever through two and adjust supplementary the strutting of stator base bottom both sides, thereby realized transferring the automatically regulated of butt joint in-process horizontal position at the foundation ditch top to stator base, reduced rocking of stator base bottom when adjusting.

Description

Stator base welding positioning device

The technical field is as follows:

the utility model relates to a power station construction equipment technical field specifically is a stator base welding position device.

Background art:

the stator lower line has an important position in the construction process of a hydropower station, the efficiency of the stator lower line influences the construction progress, and the quality of the stator lower line is related to the safe operation of a generator. If the stator offline tool cannot adapt to site construction, the construction quality and progress are greatly influenced, so that a proper stator offline tool must be arranged at the initial construction stage, the stator offline is guaranteed to be smoothly performed, in the existing engineering, the stator offline construction is mainly completed outside a machine pit and then hoisted into the machine pit, and the offline two modes are completed in the machine pit, wherein when the offline operation is completed in the machine pit, a positioning device is required to be used for positioning a stator base and a foundation pit before welding.

But the process of inserting the line of current stator exists and can not realize the automatically regulated of stator base at the foundation ditch top and transfer the butt joint in-process horizontal position, and rocking of stator base bottom when adjusting leads to the security of stator base when the off-line and the relatively poor problem of stability.

The utility model has the following contents:

an object of the utility model is to provide a stator base welding position device to solve the existing stator and roll off the production line process and exist and can not realize transferring the automatically regulated of butt joint in-process horizontal position to stator base at the foundation ditch top, rocking of stator base bottom when adjusting leads to the relatively poor problem of security and stability of stator base when the production line.

The utility model discloses by following technical scheme implement: the utility model provides a stator base welding position device, includes foundation ditch and stator base, the stator base joint is installed the foundation ditch top, the foundation ditch is inside to be close to stator base position department is provided with righting mechanism, it is right to right the mechanism is used for the stator base supports at the foundation ditch top and rights, righting mechanism includes hydraulic pump group, drive connecting rod, strut side lever, buffering pillar, supporting spring and fixed angle seat, hydraulic pump group sets up foundation ditch central point department of putting, the fixed cover of drive connecting rod is established the hydraulic pump group top, strut side lever articulated rotation and install drive connecting rod top one side, buffering pillar embedding movable mounting strut side lever tip one side with between the drive connecting rod top, supporting spring cup joints and installs the buffering pillar is outside.

Preferably, the fixed angle seat is fixedly clamped between the top of the hydraulic pump set and the bottom end of the outer wall of the stator base, and a rubber cushion sleeve is sleeved at the position, close to the outer wall of the stator base, of the top of the supporting side rod.

As preferred, the equal welding of foundation ditch top both sides has the hoist and mount ear, foundation ditch bottom both sides correspond hoist and mount ear department is provided with spacing stabilizer blade, the fixed slot has evenly been seted up at the foundation ditch top, the internal diameter of fixed slot equals the external diameter of spacing stabilizer blade, just the inside symmetry of fixed slot is provided with the screw.

As preferred, the foundation ditch inner wall corresponds stator base top position department is provided with positioning mechanism, positioning mechanism is used for right the stator base is in the foundation ditch top is fixed a position the direction, positioning mechanism is including grafting loop bar, automatically controlled box, infrared emitter, infrared receiver and bee calling organ, one the grafting loop bar joint is in hoist and mount ear outer wall bottom one side, another the grafting loop bar joint is in the foundation ditch inner wall is close to fixed slot one side, infrared emitter embedding is installed one inside the grafting loop bar, infrared receiver embedding is installed another inside the grafting loop bar.

Preferably, the electric control box is fixedly clamped at the top of the hydraulic pump set, the buzzer is embedded and clamped at the top of the driving connecting rod, and the power input ends of the infrared transmitter, the infrared receiver and the buzzer are electrically connected with the power output end of the electric control box.

Preferably, the side length of the bottom of the stator base is one fourth of that of the top of the foundation pit, and the foundation pit is uniformly provided with a ventilation fan and a dehumidifier.

The utility model has the advantages that:

1. the utility model discloses be provided with righting mechanism, by fixed corner seat to being connected of drive connecting rod and stator base inner wall, the position of transferring to stator base carries out level (l) ing, and support of pole side lever is being strutted to cooperation buffering pillar and supporting spring, it can be strutted stator base bottom both sides adjusting the assistance to strut through two, thereby realized transferring the automatically regulated of butt joint in-process horizontal position to stator base at the foundation ditch top, the rocking of stator base bottom when adjusting has been reduced, whole stable safety of righting process has been guaranteed, stator base later stage assembly welded convenient performance has been improved.

2. The utility model discloses be provided with positioning mechanism, install infrared emitter and infrared receiver at the stator base top respectively and correspond spacing stabilizer blade department and foundation ditch inner wall and correspond fixed slot department through the loop bar of pegging graft, when infrared emitter and infrared receiver are located the perpendicular line, it is accurate to explain the stator base location of inserting the line, when infrared receiver can not receive infrared emitter's infrared ray, carry out the early warning through automatically controlled box control infrared emitter, and control hydraulic pump group triggers, thereby the real time monitoring to stator base location of inserting the line has been realized, stator base location of inserting the line accuracy and stator base right the promptness of adjusting have been guaranteed.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the device of the present invention;

fig. 2 is a schematic structural view of the centering mechanism of fig. 1 according to the present invention;

FIG. 3 is a schematic structural view of the positioning mechanism of FIG. 1 according to the present invention;

fig. 4 is a schematic top view of the whole device of the present invention.

In the figure: 1. a foundation pit; 2. a stator base; 3. a righting mechanism; 301. a hydraulic pump unit; 302. A drive link; 303. supporting a side rod; 304. a cushion strut; 305. a support spring; 306. Fixing the corner seat; 4. hoisting the lug; 5. fixing grooves; 6. limiting support legs; 7. a positioning mechanism; 701. inserting a sleeve rod; 702. an electronic control box; 703. an infrared emitter; 704. an infrared receiver; 705. a buzzer.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-4: a stator base welding and positioning device comprises a foundation pit 1 and a stator base 2, wherein the stator base 2 is installed at the top of the foundation pit 1 in a clamping mode, a righting mechanism 3 is arranged at a position, close to the stator base 2, inside the foundation pit 1, and comprises a hydraulic pump set 301, a driving connecting rod 302, a supporting side rod 303, a buffering support column 304, a supporting spring 305 and a fixed angle seat 306, the hydraulic pump set 301 is arranged at the central position of the foundation pit 1, the driving connecting rod 302 is fixedly sleeved at the top of the hydraulic pump set 301, the supporting side rod 303 is hinged and rotatably installed at one side of the top of the driving connecting rod 302, the buffering support column 304 is embedded and movably installed between one side of the end part of the supporting side rod 303 and the top of the driving connecting rod 302, the supporting spring 305 is sleeved and installed outside the buffering support column 304, the fixed angle seat 306 is fixedly clamped between the top of the hydraulic pump set 301 and the bottom end of the outer wall of the stator base 2, and when the stator base 2 is hung at the top of the foundation pit 1 through an electric hoist to be placed downwards, the hydraulic pump set 301 is started to drive the driving connecting rod 302 to rotate, the driving connecting rod 302 is connected with the inner wall of the stator base 2 through the fixed angle seat 306, the lowering position of the stator base 2 is horizontally adjusted, and the two sides of the bottom of the stator base 2 can be supported with the aid of adjustment through the two supporting side rods 303 by matching with the supporting of the supporting side rods 303 by the buffer support columns 304 and the supporting springs 305, thereby realizing the automatic adjustment of the horizontal position of the stator base 2 in the process of putting down and butting the top of the foundation pit 1, reducing the bottom shake of the stator base 2 during adjustment, ensuring the stability and safety of the whole righting process, improving the convenience of later assembly and welding of the stator base 2, in order to reduce the pressure of stator base 2 bottom to strutting the contact department in side bar 303 top, avoid strutting the impaired deformation of side bar 303, it is equipped with the rubber pad cover to strut side bar 303 top and be close to stator base 2 outer wall department cover.

All the welding of 1 top both sides of foundation ditch has hoist and mount

ear

4, and 1 bottom both sides of foundation ditch correspond hoist and mount ear 4 department and be provided with spacing stabilizer blade 6, and fixed slot 5 has evenly been seted up at 1 top of foundation ditch, and the internal diameter of fixed slot 5 equals the external diameter of spacing stabilizer blade 6, and the inside symmetry of fixed slot 5 is provided with the screw, and through the assembly butt joint between spacing stabilizer blade 6 of 2 bottoms of stator base and 1 top fixed slot 5 of foundation ditch to can carry out welded fastening through the screw.

The position of the inner wall of the foundation pit 1 corresponding to the top of the stator base 2 is provided with a positioning mechanism 7, the positioning mechanism 7 comprises an inserting sleeve rod 701, an electric control box 702, an infrared transmitter 703, an infrared receiver 704 and a buzzer 705, one inserting sleeve rod 701 is connected to one side of the bottom end of the outer wall of the hoisting lug 4 in a clamping manner, the other inserting sleeve rod 701 is connected to one side of the inner wall of the foundation pit 1 close to the fixing groove 5 in a clamping manner, the infrared transmitter 703 is embedded and installed inside one inserting sleeve rod 701, the infrared receiver 704 is embedded and installed inside the other inserting sleeve rod 701, the electric control box 702 is fixedly connected to the top of the hydraulic pump set 301 in a clamping manner, the buzzer 705 is embedded and connected to the top of the driving connecting rod 302 in a clamping manner, the power input ends of the infrared transmitter 703, the infrared receiver 704 and the buzzer 705 are electrically connected with the power output end of the electric control box 702, the infrared transmitter 703 and the infrared receiver 704 are respectively installed at the position corresponding to the position of the limiting support leg 6 at the top of the stator base 2 and the fixing groove 6 corresponding to the inner wall of the foundation pit 1 through the inserting sleeve rod 701 5 department, when infrared emitter 703 and infrared receiver 704 are in the perpendicular line, it is accurate to explain stator base 2 off-line location, when infrared receiver 704 can not receive infrared emitter 703's infrared ray, through automatically controlled box 702 control infrared emitter 703 and carry out the early warning to control hydraulic pump group 301 and trigger, thereby realized the real time monitoring to stator base 2 off-line location, guaranteed stator base 2 off-line location's accuracy and stator base 2 and right the promptness of adjusting.

In order to improve the air permeability and humidity of a working environment of a constructor at the position of a foundation pit 1 and improve the comfort, the side length of the bottom of the stator base 2 is one fourth of that of the top of the foundation pit 1, and the foundation pit 1 is uniformly provided with a ventilation fan and a dehumidifier.

The utility model discloses when using, install infrared emitter 703 and infrared receiver 704 respectively at 2 tops of stator base corresponding spacing stabilizer blade 6 departments and foundation ditch 1 inner wall and correspond fixed slot 5 departments through grafting loop bar 701, when infrared emitter 703 and infrared receiver 704 are in the perpendicular line, it is accurate to explain 2 off-line location of stator base, when infrared receiver 704 can not receive infrared emitter 703's infrared ray, carry out the early warning through automatically controlled box 702 control infrared emitter 703, and control hydraulic pump group 301 and trigger, the real time monitoring to 2 off-line location of stator base has been realized.

Then, when the stator base 2 is lifted at the top of the foundation pit 1 through an electric hoist to be placed, the hydraulic pump set 301 is started to drive the driving connecting rod 302 to rotate, the driving connecting rod 302 is connected with the inner wall of the stator base 2 through the fixed angle seat 306, the placing position of the stator base 2 is horizontally adjusted, the buffering support column 304 and the supporting spring 305 are matched to support the supporting side rods 303, two sides of the bottom of the stator base 2 can be supported in an adjusting assisting mode through the two supporting side rods 303, and the automatic adjustment of the horizontal position in the process of placing and butting the stator base 2 at the top of the foundation pit 1 is achieved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stator base welding and positioning device comprises a foundation pit (1) and a stator base (2), wherein the stator base (2) is clamped and installed at the top of the foundation pit (1), and the stator base (2) is internally provided with a righting mechanism (3) close to the position of the stator base (2), the righting mechanism (3) is used for supporting and righting the stator base (2) at the top of the foundation pit (1), the righting mechanism (3) comprises a hydraulic pump set (301), a driving connecting rod (302), a supporting side rod (303), a buffering support column (304), a supporting spring (305) and a fixed angle seat (306), the hydraulic pump set (301) is arranged at the central position of the foundation pit (1), the driving connecting rod (302) is fixedly sleeved at the top of the hydraulic pump set (301), the supporting side rod (303) is hinged and rotatably installed at one side of the top of the driving connecting rod (302), the buffer support column (304) is embedded and movably mounted between one side of the end part of the support side rod (303) and the top of the driving connecting rod (302), and the supporting spring (305) is sleeved and mounted outside the buffer support column (304).

2. The stator base welding positioning device of claim 1, wherein: fixed joint of fixed angle seat (306) is in hydraulic pump group (301) top with between stator base (2) outer wall bottom, it is close to strut side lever (303) top stator base (2) outer wall department cover is equipped with the rubber pad cover.

3. The stator base welding positioning device of claim 2, wherein: hoist and mount ear (4) have all been welded to foundation ditch (1) top both sides, foundation ditch (1) bottom both sides correspond hoist and mount ear (4) department is provided with spacing stabilizer blade (6), fixed slot (5) have evenly been seted up at foundation ditch (1) top, the internal diameter of fixed slot (5) equals the external diameter of spacing stabilizer blade (6), just fixed slot (5) inside symmetry is provided with the screw.

4. The stator base welding positioning device of claim 3, wherein: foundation ditch (1) inner wall corresponds stator base (2) top position department is provided with positioning mechanism (7), positioning mechanism (7) are used for right stator base (2) are in foundation ditch (1) top is fixed a position the direction, positioning mechanism (7) are including grafting loop bar (701), automatically controlled box (702), infrared emitter (703), infrared receiver (704) and bee calling organ (705), one grafting loop bar (701) joint is in hoist and mount ear (4) outer wall bottom one side, another grafting loop bar (701) joint is in foundation ditch (1) inner wall is close to fixed slot (5) one side, infrared emitter (703) embedding is installed one inside grafting loop bar (701), infrared receiver (704) embedding is installed another inside grafting loop bar (701).

5. The stator base welding positioning device of claim 4, wherein: the electric control box (702) is fixedly clamped at the top of the hydraulic pump set (301), the buzzer (705) is embedded and clamped at the top of the driving connecting rod (302), and the power input ends of the infrared transmitter (703), the infrared receiver (704) and the buzzer (705) are electrically connected with the power output end of the electric control box (702).

6. The stator base welding positioning device of claim 1, wherein: the side length of the bottom of the stator base (2) is one fourth of the side length of the top of the foundation pit (1), and the foundation pit (1) is uniformly provided with a ventilation fan and a dehumidifier.