CN202353400U

CN202353400U - Special clamp for fixing rotor pack stack and front and rear end plates onto motor shaft

Info

Publication number: CN202353400U
Application number: CN 201120493069
Authority: CN
Inventors: 谢伟; 杨旌
Original assignee: Dongming Mechanical and Electrical (Shenzhen) Co Ltd
Current assignee: Dongming Shenzhen Electromechanical Ltd By Share Ltd
Priority date: 2011-11-30
Filing date: 2011-11-30
Publication date: 2012-07-25
Anticipated expiration: 2021-11-30

Abstract

The utility model discloses a special clamp for fixing a rotor pack stack and front and rear end plates onto a motor shaft. The special clamp comprises a pressure head, a base, a pedestal fixed on the base, and two clamping columns adaptive to a tooth socket of a rotor pack stack to be assembled; a central shaft hole which is slightly bigger than a rear end sleeve of a rear end plate to be assembled is formed in the base below the upper end face of the base, and the two clamping columns are symmetrically fixed at two sides of the central shaft hole of the upper end face of the pedestal; and a central hole which slightly bigger than a front end sleeve of a front end plate to be assembled is formed in the pressure head above the lower end face of the pressure head, the equal-diameter depth of the central hole is equal to a stipulated distance from the front end face of a motor shaft to be assembled to the front end plate to be assembled, two vertical avoiding slots are symmetrically arranged at two sides of the pressure head, and when the pressure head moves downwards, the two vertical avoiding slots guarantee that the two clamping columns adaptively slide up and down in the vertical avoiding slots. The special clamp disclosed by the utility model has the advantages of small number, broad universality, simple structure, lower cost and high efficiency.

Description

Rotor pack heap and forward and backward end plate all are fixed to the special fixture on the motor shaft

[technical field]

The utility model relates to method or the equipment that is exclusively used in manufacturing, assembling, maintenance or repairing motor; Particularly relate to and make special fixture small-sized and micromachine, the rotor pack heap and the forward and backward end plate that relate in particular to series excitation or direct current machine all are fixed to the special fixture on the motor shaft.

[background technology]

Referring to Fig. 8 to Figure 10; The small-power series machine of prior art AC/DC universal and rotor DC machine laminated stack 110 are to be fixed on the motor shaft 120 by multi-disc core stamping poststack, are close to rotor pack and pile and also be fixed with forward and backward end plate 130,140 on the motor shaft 120 at 110 two ends.After fixing, must meet following specification requirement: motor shaft 120 front end faces 121 are to the distance L size up to specification of front end-plate 130; Each teeth groove of forward and backward end plate 130,140 aligns respectively with each teeth groove 111 of rotor pack heap 110, not dislocation and twisting; Forward and backward end plate 130,140 is piled 110 front and rear ends with rotor pack respectively and is close to, and is very close to each other.Prior art is in two steps rotor pack heap 110 to be fixed on the motor shaft 120 with forward and backward end plate 130,140 at least, and this mode has following weak point:

1, used anchor clamps are many, and cost is higher, are unfavorable for management and preservation;

2, station is many, and man-hour is many, and efficient is low, and cost of labor is high.

[utility model content]

The technical problem that the utility model will solve is to avoid the weak point of above-mentioned prior art and provides a kind of rotor pack heap and forward and backward end plate all are fixed to the special fixture on the motor shaft; This exclusive clamps prodigiosin is disposable all to be fixed on rotor pack heap and forward and backward end plate on the motor shaft, said special fixture quantity is few, versatility is wide, simple in structure, cost is lower and efficient is high.

The technical scheme that the utility model solve the technical problem employing is:

Provide a kind of rotor pack heap and forward and backward end plate all are fixed to the special fixture on the motor shaft, comprise pressure head, base and be fixed on the pedestal on the said base, and the two piece screens posts adaptive with the teeth groove of rotor pack heap to be assembled; Said pedestal upper surface is toward having than the bigger central shaft hole of end cover after the end plate to be assembled, and said two screens post symmetries are fixed on the both sides of arbor hole among the said pedestal upper surface; Said pressure head lower surface up is provided with the centre bore more bigger than the front end sleeve of front end-plate to be assembled; The equal diameter degree of depth of this centre bore equals the predetermined distance of motor shaft front end face to be assembled to front end-plate to be assembled; Be provided with to this pressure head bilateral symmetry two vertical slots to make way; When said pressure head moved downward, these two vertical slots to make way guaranteed that said two screens posts slide up and down adaptedly within it.

Said special fixture also comprises set screw; Said pressure head upper surface is toward having a screwed hole of centre adaptive with said set screw, and the internal diameter of this screwed hole of centre is more than or equal to the internal diameter of the centre bore of said pressure head, and is connected with this centre bore.

Said set screw upper surface supplies hexagonal head wrench to embed the interior hexagonal blind hole of pulling toward having.

Said set screw lower surface is the nick curved surface.

Compare with prior art, the utility model is the beneficial effect that rotor pack heap and forward and backward end plate all are fixed to the special fixture on the motor shaft:

1, can disposablely all be fixed on rotor pack heap and forward and backward end plate on the motor shaft; Used anchor clamps are few, and cost is lower, convenient management and preservation; Station is few, and man-hour is few, and efficient is high, and cost of labor is low;

2, be provided with set screw; Said pressure head upper surface is toward having the screwed hole of centre adaptive with said set screw; So just can regulate the degree of depth of the centre bore of said pressure head; Make said special fixture can be suitable for the assembling of rotor pack heap with forward and backward end plate and the motor shaft of same type and similar type, the rotor pack of same type and similar type is piled and forward and backward end plate and motor shaft are done one pair of special fixture no longer respectively when assembling separately, thereby also reduced the quantity of said special fixture; It is easy correspondingly to manage said special fixture, and cost has also reduced.

In sum, the utility model special fixture quantity is few, versatility is wide, simple in structure, cost is lower and efficient is high.

[description of drawings]

Fig. 1 is that the utility model special fixture all is fixed to the axonometric projection sketch map on the motor shaft with rotor pack heap and forward and backward end plate, and figure rotor laminated stack 110 has been fixed on the motor shaft 120 with forward and backward end plate 130,140;

Fig. 2 is the axonometric projection sketch map of said special fixture at decomposing state, and the rotor pack heap 110 among the figure also is not fixed on the motor shaft 120 with forward and backward end plate 130,140;

Fig. 3 is the axonometric projection sketch mapes of base 300, pedestal 400 and two screens posts 500 of said special fixture when being assembled together;

Fig. 4 is the axonometric projection sketch map of the pressure head 200 of said special fixture;

Fig. 5 is the orthographic projection elevational schematic view of the set screw 600 of said special fixture;

Fig. 6 is the main sketch map of looking of the orthographic projection of set screw 600 shown in Figure 5;

Fig. 7 is the orthographic projection schematic top plan view of set screw 600 shown in Figure 6;

Fig. 8 is that rotor pack heap 110, front end-plate 130 and the end plate 140 of series excitation or direct current machine has been fixed to

Axonometric projection sketch map on the motor shaft 120;

Fig. 9 is the main sketch map of looking of the orthographic projection of Fig. 8;

Figure 10 is the orthographic projection schematic top plan view of Fig. 9.

[embodiment]

Below in conjunction with each accompanying drawing the utility model is done further explain.

Referring to Fig. 1 to Figure 10; A kind of rotor pack heap and forward and backward end plate all are fixed to the special fixture on the motor shaft; Comprise pressure head 200, base 300 and be fixed on the pedestal 400 on the said base 300, and the two piece screens posts 500 adaptive with the teeth groove of rotor pack to be assembled heap 110 111; Said pedestal 400 upper surfaces are toward having the central shaft hole 410 more bigger than end cover after the end plate to be assembled 140 141, and said two screens posts, 500 symmetries are fixed on the both sides of arbor hole 410 among said pedestal 400 upper surfaces; Said pressure head 200 lower surfaces up are provided with the centre bore 210 more bigger than the front end sleeve of front end-plate 130 to be assembled 131; The equal diameter degree of depth of this centre bore 210 equals the predetermined distance L of motor shaft 120 front end faces 121 to be assembled to front end-plate 130 to be assembled; Be provided with to these pressure head 200 bilateral symmetry two vertical slots to make way 230; When said pressure head 200 moved downward, these two vertical slots to make way 230 guaranteed that said two screens posts 500 slide up and down adaptedly within it.

Referring to Fig. 1, Fig. 2 and Fig. 4 to Fig. 7, said special fixture also comprises set screw 600; Said pressure head 200 upper surfaces are toward having the screwed hole of centre 220 adaptive with said set screw 600, and the internal diameter of this screwed hole of centre 220 is more than or equal to the internal diameter of the centre bore 210 of said pressure head 200, and are connected with this centre bore 210.

Referring to Fig. 6 and Fig. 7, said set screw 600 upper surfaces supply hexagonal head wrench to embed the interior hexagonal blind hole of pulling 610 toward having.

Referring to Fig. 5 and Fig. 6, said set screw 600 lower surfaces are nick curved surfaces 620.

Referring to Fig. 1 to Figure 10, describe below and use the utility model special fixture that rotor pack heap and forward and backward end plate all are fixed to the step on the motor shaft:

One, the utility model special fixture is installed on the manual or pneumatic equipment of exerting pressure:

1. the head 290 with said pressure head 200 is fixed on the manual or pneumatic equipment of exerting pressure;

2. said base 300 is fixed on the workbench of this manual or pneumatic equipment of exerting pressure, tightens after for example passing the strip hole 310 of said base 300 both sides with screw.

Two, adjustable range:

Embed within the set screw 600 of the screwed hole of centre 220 be positioned at said pressure head 200 upper surfaces hexagonal blind hole 610 pulls this set screw 600 and rotates with hexagonal head wrench; This set screw 600 lower surfaces of make suring equal the predetermined distance L of motor shaft 120 front end faces 121 to be assembled to front end-plate 130 to be assembled to the distance of said pressure head 200 lower surfaces, and the degree of depth of the centre bore 210 of just said pressure head 200 equals the predetermined distance L of motor shaft 120 front end faces 121 to be assembled to front end-plate 130 to be assembled.

Three, assembling:

1. end cover 141 after the end plate 140 is put into the central shaft hole 410 of said pedestal 400;

2. the lower end of motor shaft 120 is inserted the endoporus of end plate 140;

3. the endoporus with rotor pack heap 110 is inserted in from the upper end of motor shaft 120;

4. the endoporus with front end-plate 130 is inserted in from the upper end of motor shaft 120;

5. operate the said manual or pneumatic equipment of exerting pressure; Making the said manual or pneumatic equipment of exerting pressure carry said pressure head 200 moves downward; The front end sleeve of front end-plate 130 inserts in the central blind hole 210 of this pressure head 200; Said two screens posts 500 insert respectively in two vertical slots to make way 230 of said pressure head 200; Said pressure head 200 continues to move downward, and with till set screw 600 lower surfaces contact, just be fixed to position suitable on the motor shaft 120 with rotor pack heap 110, front end-plate 130 and end plate 140 this moment up to the front end face 121 of said motor shaft 120;

6. operate the said manual or pneumatic equipment of exerting pressure, make the said manual or pneumatic equipment of exerting pressure carry said pressure head 200 and move upward, take out the not rotor assembly of coiling that comprises rotor pack heap 110, front end-plate 130, end plate 140 and motor shaft 120 that assembles.

The above embodiment has only expressed the preferred implementation of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim; Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection range of the utility model; Therefore, all equivalents and modifications of being done with the utility model claim scope all should belong to the covering scope of the utility model claim.

Claims

1. one kind all is fixed to the special fixture on the motor shaft with rotor pack heap and forward and backward end plate, it is characterized in that:

Comprise pressure head (200), base (300) and be fixed on the pedestal (400) on the said base (300), and pile the adaptive two screens posts (500) of teeth groove (111) of (110) with rotor pack to be assembled; The bigger central shaft hole (410) of cover (141) is held afterwards toward having than end plate to be assembled (140) in said pedestal (400) upper surface, and said two screens post (500) symmetries are fixed on the both sides of arbor hole (410) among said pedestal (400) upper surface; Said pressure head (200) lower surface up is provided with the centre bore (210) more bigger than the front end sleeve (131) of front end-plate to be assembled (130); The equal diameter degree of depth of this centre bore (210) equals the predetermined distance (L) of motor shaft to be assembled (120) front end face (121) to front end-plate to be assembled (130); Be provided with to this pressure head (200) bilateral symmetry two vertical slots to make way (230); Said pressure head (200) is when moving downward, and these two vertical slots to make way (230) guarantee that said two screens posts (500) slide up and down adaptedly within it.

2. according to claim 1 rotor pack heap and forward and backward end plate all are fixed to the special fixture on the motor shaft, it is characterized in that:

Also comprise set screw (600); Said pressure head (200) upper surface is toward having a screwed hole of centre (220) adaptive with said set screw (600), and the internal diameter of this screwed hole of centre (220) is more than or equal to the internal diameter of the centre bore (210) of said pressure head (200), and is connected with this centre bore (210).

3. according to claim 2 rotor pack heap and forward and backward end plate all are fixed to the special fixture on the motor shaft, it is characterized in that:

Said set screw (600) upper surface supplies hexagonal head wrench to embed the interior hexagonal blind hole of pulling (610) toward having.

4. described rotor pack heap and forward and backward end plate all are fixed to the special fixture on the motor shaft according to claim 2 or 3, it is characterized in that:

Said set screw (600) lower surface is nick curved surface (620).