CN201215922Y

CN201215922Y - Silicon steel sheet standing machine for large electricity generator stator

Info

Publication number: CN201215922Y
Application number: CNU2008200548389U
Authority: CN
Inventors: 李步凌
Original assignee: SHANGHAI MINHANG MECHANICAL ENGINEERING TECHNOLOGY INSTITUTE
Current assignee: SHANGHAI MINHANG MECHANICAL ENGINEERING TECHNOLOGY INSTITUTE
Priority date: 2008-01-18
Filing date: 2008-01-18
Publication date: 2009-04-01
Anticipated expiration: 2018-01-18

Abstract

The utility model discloses a standing press of electrical grade sheets of large-scale generator stators, which comprises a lower pressing seat, a drawing rod, an upper pressing seat and a hydraulic cylinder, and the drawing rod comprises a fixed drawing rod, 0-3 connecting rods and a long drawing rod which are orderly connected through a jointing sleeve, wherein the lower pressing seat is installed on the lower end of the fixed drawing rod, the upper pressing seat which is capable of sliding up and down along the long drawing rod and a hydraulic cylinder are orderly installed on the long drawing rod, and an outside thread and a limiting nut are arranged on the upper end of the long drawing rod. The standing press has simple structure and convenient installation and use, is fast and stably connected and especially satisfies the standing press requirements of the electrical grade sheets of the large-scale generator stators.

Description

High-rating generator stator silicon steel plate press

Technical field

The utility model belongs to the industrial machinery field, relates in particular to a kind of high-rating generator stator silicon steel plate press.

Background technology

The high-rating generator stator silicon steel plate of prior art laminates in the operation, generally to use the single pole press that the generator unit stator silicon steel sheet is compressed.But double bond structure is adopted in connecting between the present used single pole press design unreasonable structure, axle and axle sleeve, and this structure is relatively heavier, difficulty of processing is big, in actual use stretching resistance poor, break easily.

Summary of the invention

The purpose of this utility model is the deficiency at prior art, a kind of high-rating generator stator silicon steel plate press is provided, this is a kind of special processing equipment, it have simple in structure, handling ease, sturdy and durable, easy to use, laminate advantages such as quality is good, especially can satisfy the demand that laminates of high-rating generator stator silicon steel plate.

High-rating generator stator silicon steel plate press of the present utility model, it comprises down pressing seat, pull bar, upper pressure seat and hydraulic jack, it is characterized in that: described pull bar comprises successively by connecting steady brace that swivel nut connects, 0～3 extension bar and long draw, down pressing seat is installed in lower end at steady brace, the upper pressure seat and the hydraulic jack that can slide up and down along long draw are installed on long draw successively, and there are external screw thread and stop nut in the upper end of long draw.

One end of described connection swivel nut is full female end, and the other end is half female end, and half female end is that interior survey has the end of two sections radians less than 90 degree internal threads; With the steady brace, extension bar and the long draw that connect the swivel nut connection full male end and half male end that adapts arranged also, half male end all has lead set and two sections radians less than 90 external screw threads of spending in its end; In half female end that connects swivel nut the adjusting screw(rod) that there is ball on two tops, two sections circular arc helical pitch grooves on the lead set of adjusting screw(rod) correspondence position are installed axially.

Firm for steady brace, extension bar and long draw are connected, in the full female end that connects swivel nut nut bore and lock screw are arranged, in half female end that connects swivel nut nut bore and locking pin are arranged, in half male end pin hole is arranged simultaneously.

Described lead set is can be welded on half male end, also can be by screw on the fixed cover of half male end.

The advantage of the utility model high-rating generator stator silicon steel plate press is: 1, this machine mainly is made up of down pressing seat, pull bar, upper pressure seat and hydraulic jack etc., and is simple in structure, cheap for manufacturing cost, is a desirable special equipment that laminates stator silicon steel plate; 2,0～3 extension bar can be connected as required between described steady brace and the long draw, the demand that difference laminates height can be adapted to like this; 3, connect with connecting swivel nut between steady brace, extension bar and the long draw, the connecting mode of this structure has easy to install, connects firm stablizing, and meets to laminate job requirements.

Below in conjunction with the drawings and specific embodiments the utility model is described further.

Description of drawings

Fig. 1 is the utility model high-rating generator stator silicon steel plate press perspective view;

Fig. 2 is that the utility model connects swivel nut part-structure schematic diagram;

Fig. 3 is that the utility model connection swivel nut is analysed and observe perspective view;

Fig. 4 is the utility model lead set perspective view;

Fig. 5 is the utility model perspective view half male end can endwisely slip state with the connection swivel nut under;

Fig. 6 is the profile of Fig. 5 AA;

Fig. 7 is the utility model perspective view under half male end and connection swivel nut internal and external threads overlaying state;

Fig. 8 is the profile of Fig. 7 BB.

Number in the figure and component names are as follows: 1 down pressing seat, and 2 steady braces, 3 connect swivel nut, and 31 radians are less than 90 degree internal threads, 32 adjusting screw(rod)s, 33 nut bore, 34 locking pins, 35 nut bore, 36 lock screw, 37 full internal threads, 4 extension bars, 41 fixed covers, 42 radians are less than the external screw thread of 90 degree, 43 pin holes, 5 long draws, 51 full external screw threads, 6 upper pressure seats, 7 hydraulic jacks, 8 stop nuts, 9 lead sets, 91 circular arc helical pitch grooves.

Embodiment

Shown in Fig. 1～8, the utility model high-rating generator stator silicon steel plate press, it comprises down pressing seat 1, pull bar, upper pressure seat 6 and hydraulic jack 7, described pull bar comprises successively by connecting steady brace that swivel nut 3 connects 2, two extension bars 4 and long draws 5, down pressing seat 1 is installed in lower end at steady brace 2, the upper pressure seat 6 and the hydraulic jack 7 that can slide up and down along long draw 5 are installed on long draw 5 successively, and there are external screw thread and haff nut 8 in the upper end of long draw.One end of described connection swivel nut 3 is full internal thread 37 ends, and the other end is half internal thread, 31 ends, and half internal thread, 31 ends are that interior survey has the end of two sections radians less than 90 degree internal threads 31; With the steady brace 2, extension bar 4 and the long draw 5 that connect the swivel nut connection full male end 51 and half external screw thread, 42 ends that adapt are arranged also, half external screw thread, 42 ends all have lead set 9 and two sections radians less than 90 external screw threads 42 of spending in its end; At half internal thread, 31 ends that connect swivel nut 3 adjusting screw(rod) 32 that there is ball on two tops is installed axially, two sections circular arc helical pitch grooves 91 are arranged on the lead set 9 of adjusting screw(rod) 32 correspondence positions.At full internal thread 37 ends that connect swivel nut 3 nut bore 35 and lock screw 36 are arranged, nut bore 33 and locking pin 34 are arranged, at half external screw thread, 42 ends pin hole 43 is arranged simultaneously at half internal thread, 31 ends that connect swivel nut 3.Described lead set be by screw on the fixed cover 41 of half male end.

The course of work of the present utility model is:

1, load silicon steel sheet: the silicon steel sheet annulus that punch press is shaped stacks neatly and is placed in the stator.

2, connection pull bar: 1. will connect swivel nut 3 rotation earlier and be connected on the full male end 51, and tighten lock screw 36 in nut bore 35, and make connection swivel nut 3 fix and be locked on steady brace 2, extension bar 4 and the long draw 5; 2. half external screw thread, 42 ends are aimed at and connected swivel nut 3, the endwisely slipped state that half male end and connection swivel nut are in shown in Fig. 5,6 also inserts bottom rotation connection swivel nut, adjusting screw(rod) 32 slides to the other end from an end of the circular arc helical pitch groove 91 of lead set 9, make half male end and connect the swivel nut internal and external threads to be in overlaying state shown in Fig. 7,8, it is interior and extend in the pin hole 43 to nut bore 33 to tightly lock screw 34; 3. rotate the interval that haff nut 8 shortens upper pressure seat 6 and silicon steel sheet.

3, laminate silicon steel sheet: connected pull bar and confirmed that silicon steel sheet stacks neat back primer fluid compressing cylinder and laminates, silicon steel sheet is compressed.

4, unloading: unclamp and tightly lock screw 34 and make it in pin hole 43, to withdraw from, rotation connection swivel nut 3 adjusting screw(rod)s 32 slide to the other end from an end of the circular arc helical pitch groove 91 of lead set 9, make half male end and connect swivel nut to be in endwisely slipped state shown in Fig. 5,6, dismantle the silicon steel sheet that pull bar and unloading laminate.

Claims

1, a kind of high-rating generator stator silicon steel plate press, it comprises down pressing seat (1), pull bar (2,4,5), upper pressure seat (6) and hydraulic jack (7), it is characterized in that: described pull bar (2,4,5) comprises successively by connecting steady brace (2), 0～3 extension bar (4) and the long draw (5) that swivel nut (3) connects, down pressing seat (1) is installed in lower end at steady brace (2), the upper pressure seat (6) and the hydraulic jack (7) that can slide up and down along long draw are installed on long draw (5) successively, and there are external screw thread and stop nut (8) in the upper end of long draw (5).

2, according to the described high-rating generator stator silicon steel plate of claim 1 press, it is characterized in that: an end of described connection swivel nut (3) is full internal thread (a 37) end, the other end is half internal thread (a 31) end, and half female end is that interior survey has the end of two sections radians less than 90 degree internal threads (31); With the steady brace (2), extension bar (4) and the long draw (4) that connect swivel nut (3) connection full external screw thread (51) end and half external screw thread (42) end that adapts arranged also, half male end all has lead set (9) and two sections radians less than 90 external screw threads (42) of spending in its end; In half female end that connects swivel nut (3) adjusting screw(rod) (32) that there is ball on two tops is installed axially, on the lead set (9) of adjusting screw(rod) (32) correspondence position, two sections circular arc helical pitch grooves (91) is arranged.

3, according to the described high-rating generator stator silicon steel plate of claim 2 press, it is characterized in that: nut bore (35) and lock screw (36) are arranged at full internal thread (37) end that connects swivel nut (3), at half internal thread (31) end that connects swivel nut (3) nut bore (33) and locking pin (34) are arranged, in half male end pin hole (43) is arranged simultaneously.