Generator rotor bearing assembling device

Abstract

The utility model relates to the technical field of generator production equipment, in particular to a generator rotor bearing assembling device which comprises an assembling table and further comprises a centering device, the centering device comprises a fixing plate, a centering rod, an installation cylinder, a connecting assembly and a pushing assembly, the fixing plate is fixedly installed on the assembling table, a bearing hole is formed in the fixing plate, and the centering rod is arranged in the bearing hole. The centering rod is slidably mounted on the fixing plate and close to the bearing hole, the mounting cylinder is mounted on the centering rod through the connecting assembly and located at the end, away from the fixing plate, of the centering rod, the pushing assembly is mounted on the assembling table, a bearing is embedded into the bearing hole, a rotor shaft penetrates through the mounting cylinder, and the mounting cylinder and the rotor shaft are pushed through the pushing assembly. The mounting cylinder moves through the sliding fit of the centering rod and the fixing plate, and the rotor shaft is extruded into the bearing, so that the rotor shaft and the bearing are prevented from deviating during assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to generator production equipment technical field especially relates to a generator rotor bearing assembly device. BACKGROUND

[0002] At present, the assembly of generator rotor bearing is usually operated manually, but manual assembly is slow and has low productivity.

[0003] The existing patent CN208445444U generator rotor bearing assembly device, including the bottom plate, the bottom plate top fixed with the middle plate, the middle plate top fixed with the top plate, the top plate lower end fixed with the telescopic rod towards the telescopic cylinder downwards, the telescopic cylinder telescopic rod lower end fixed with the lifting disc with its same axis, the lifting disc lower end fixed with the electric chuck with its same axis, the lifting disc on the left and right sides of the electric chuck all are slidably provided with the vertical slide rod, the slide rod penetrates the lifting disc, the slide rod lower end all are fixed with the lower retaining ring, the slide rod between the lower retaining ring and the lifting disc all are sleeved with the upper spring, the slide rod upper end is fixed with the upper retaining ring, the middle plate is provided with the stabilizing device of stabilizing bearing, this device can reduce the manufacturing cost, improve the working efficiency, reduce the labor intensity of workers.

[0004] But in the process of using the above-mentioned mode, the fixing of the bearing is realized by the extrusion of the stabilizing rod, but if the initial positions of the stabilizing rods on both sides are inconsistent, the stabilizing rod will drive the bearing to deviate when the jackscrew pushes the stabilizing rod, and then the bearing and the rotor shaft are eccentric, so that the correct assembly cannot be carried out. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of generator rotor bearing assembly device, solve the fixing of the bearing of the foregoing device is realized by the extrusion of stabilizing rod, but if the initial positions of the stabilizing rods on both sides are inconsistent, the stabilizing rod will drive the bearing to deviate when the jackscrew pushes the stabilizing rod, and then the bearing and the rotor shaft are eccentric, so that the correct assembly cannot be carried out.

[0006] To achieve the above object, the utility model provides a kind of generator rotor bearing assembly device, including assembly table, still including centring device, the centring device includes fixed plate, centring rod, installation cylinder, connecting assembly and pusher assembly, the fixed plate is fixedly installed on the assembly table, the fixed plate is equipped with bearing hole, the centring rod is slidably installed on the fixed plate and is close to the bearing hole, the installation cylinder is installed on the centring rod by the connecting assembly and is located at the end of the centring rod away from the fixed plate, the pusher assembly is installed on the assembly table.

[0007] The connecting assembly comprises a fixing sleeve and a connecting plate, the fixing sleeve is fixedly installed on the centering rod, and the connecting plate is fixedly installed on the fixing sleeve and fixedly connected with the mounting cylinder.

[0008] The pushing assembly comprises a pushing disc, a mounting seat and a guide member, the mounting seat is fixedly installed on the assembling table, and the pushing disc is installed on the mounting seat through the guide member.

[0009] The guide member comprises a guide rod and a connecting block, the guide rod is slidingly installed on the mounting seat, and the connecting block is fixedly installed on the guide rod and fixedly connected with the pushing disc.

[0010] The centering device further comprises a reset assembly, the reset assembly comprises a reset spring and a limiting ring, the limiting ring is fixedly installed on the centering rod, the reset spring is sleeved on the centering rod, and two ends of the reset spring are fixedly connected with the limiting ring and the fixed plate respectively.

[0011] The utility model discloses a generator rotor bearing assembly device, when using, embedding the bearing in the bearing hole on the fixed plate, then passing through the installation cylinder, through the push of electric push rod, make the pushing disc under the guidance of the guide rod and the connecting block, push the installation cylinder and rotor shaft, make the installation cylinder and rotor shaft move towards the direction of fixed plate, finally rotor shaft will extrude into the bearing, thereby complete the assembly of rotor shaft and bearing, and under the cooperation of the centering rod and the connecting assembly, make the rotor shaft in the installation cylinder and the bearing in the bearing hole always be in the same axis, avoid the deviation of rotor shaft and bearing when assembling. ACCURACY OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description.

[0013] Figure 1 It is the whole structure schematic diagram of the utility model discloses a generator rotor bearing assembly device.

[0014] Figure 2 It is the structure schematic diagram of the reset assembly of the utility model.

[0015] In the drawing: 101 - assembling table, 102 - fixed plate, 103 - centering rod, 104 - installation cylinder, 105 - bearing hole, 106 - fixing sleeve, 107 - connecting plate, 108 - pushing disc, 109 - mounting seat, 110 - guide rod, 111 - connecting block, 112 - reset spring, 113 - limiting ring. DETAILED DESCRIPTION

[0016] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, the embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0017] Embodiments of the present application are:

[0018] Please refer to Figures 1-2 , Figure 1 is a whole structure schematic view of a generator rotor bearing assembly device of the present application, Figure 2 is a structure schematic view of a reset assembly of the present application.

[0019] The present application provides a kind of generator rotor bearing assembly device: including assembly table 101, still include centring device, the centring device includes fixed plate 102, centring rod 103, installation cylinder 104, connecting assembly and push assembly, the connecting assembly includes fixed sleeve 106 and connecting plate 107, the push assembly includes push disc 108, mounting seat 109 and guide member, the guide member includes guide rod 110 and connecting block 111, the centring device further include reset assembly, the reset assembly includes reset spring 112 and limit ring 113, the foregoing scheme solves the fixation of the foregoing device to bearing is realized by the extrusion of stabilizing rod, but if the initial position of stabilizing rod on both sides is inconsistent, when push rod is pushed to stabilizing rod, stabilizing rod will drive bearing to produce deviation, in turn make bearing and rotor shaft eccentric, then cannot be correctly assembled, the foregoing scheme can be used in the scene of generator rotor bearing assembly.

[0020] In the present embodiment, under the cooperation of the centring rod 103 and the connecting assembly, the rotor shaft in the installation cylinder 104 is always on the same axis line with the bearing in the bearing hole 105, avoiding the deviation of the rotor shaft and the bearing during assembly.

[0021] The fixed plate 102 is fixedly installed on the assembly table 101, the bearing hole 105 is arranged on the fixed plate 102, the centering rod 103 is slidably installed on the fixed plate 102 and is close to the bearing hole 105, the mounting cylinder 104 is installed on the centering rod 103 through the connecting assembly and is located at one end of the centering rod 103 away from the fixed plate 102, the pushing assembly is installed on the assembly table 101, the fixed plate 102 is welded on the assembly table 101, the centering rod 103 is provided with three groups and is annularly distributed along the bearing hole 105, the mounting cylinder 104 coincides with the axis of the bearing hole 105, the middle part of the mounting cylinder 104 is a through structure, the connecting assembly can connect the centering rod 103 and the mounting cylinder 104, and the pushing assembly can push the mounting cylinder 104.

[0022] Secondly, the fixed sleeve 106 is fixedly installed on the centering rod 103, the connecting plate 107 is fixedly installed on the fixed sleeve 106 and is fixedly connected with the mounting cylinder 104, one group of the connecting assembly is arranged on each group of the centering rod 103, the fixed sleeve 106 is welded at the end of the centering rod 103, the connecting plate 107 is welded between the fixed sleeve 106 and the mounting cylinder 104, and the fixed sleeve 106 and the connecting plate 107 are matched, so that the connection between the centering rod 103 and the mounting cylinder 104 is facilitated.

[0023] Thirdly, the mounting seat 109 is fixedly installed on the assembly table 101, the pushing disc 108 is installed on the mounting seat 109 through the guide member, the mounting seat 109 is welded on the assembly table 101, the pushing disc 108 is in a disc structure, the pushing disc 108 is driven by the electric push rod, and the pushing disc 108 can push the mounting cylinder 104 under the driving of the electric push rod.

[0024] Again, the guide rod 110 is slidingly installed on the mounting seat 109; the connecting block 111 is fixedly installed on the guide rod 110 and fixedly connected with the push disc 108, the number of the guide rod 110 and the connecting block 111 is two groups, and they are arranged on the two sides of the push disc 108, the connecting block 111 is welded on the push disc 108, the guide rod 110 is a cylindrical structure, and the sliding cooperation of the guide rod 110 and the mounting seat 109 can realize the guiding effect of the push disc 108.

[0025] Finally, the limiting ring 113 is fixedly installed on the centering rod 103; the reset spring 112 is sleeved on the centering rod 103, and the two ends of the reset spring 112 are fixedly connected with the limiting ring 113 and the fixed plate 102 respectively, one group of the reset assembly is arranged on each group of the centering rod 103, the reset spring 112 is coincident with the axis of the centering rod 103, and the limiting ring 113 is welded on the end portion of the centering rod 103; through the cooperation of the reset spring 112 and the limiting ring 113, the centering rod 103 can be reset after movement.

[0026] In the embodiment, in use, the bearing is embedded in the bearing hole 105 on the fixed plate 102, then the rotor shaft is inserted into the mounting cylinder 104, the push disc 108 is pushed by the electric push rod, the mounting cylinder 104 and the rotor shaft are pushed under the guidance of the guide rod 110 and the connecting block 111, the mounting cylinder 104 and the rotor shaft move towards the fixed plate 102, and finally the rotor shaft is pressed into the bearing, so that the assembly of the rotor shaft and the bearing is completed, and under the cooperation of the centering rod 103 and the connecting assembly, the rotor shaft in the mounting cylinder 104 and the bearing in the bearing hole 105 are always on the same axis, so that the deviation of the rotor shaft and the bearing during assembly is avoided.

[0027] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of the application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope of the application.

Claims

1. A generator rotor bearing assembly device, comprising an assembly table, characterized in that, It also includes a centering device; The centering device includes a fixed plate, a centering rod, a mounting cylinder, a connecting assembly, and a pushing assembly. The fixed plate is fixedly mounted on the assembly table and has a bearing hole. The centering rod is slidably mounted on the fixed plate and close to the bearing hole. The mounting cylinder is mounted on the centering rod through the connecting assembly and is located at the end of the centering rod away from the fixed plate. The pushing assembly is mounted on the assembly table.

2. The generator rotor bearing assembly device as described in claim 1, characterized in that, The connecting assembly includes a fixing sleeve and a connecting plate. The fixing sleeve is fixedly installed on the centering rod; the connecting plate is fixedly installed on the fixing sleeve and is fixedly connected to the mounting cylinder.

3. The generator rotor bearing assembly device as described in claim 1, characterized in that, The pushing assembly includes a pushing disk, a mounting base, and a guide member. The mounting base is fixedly mounted on the assembly table, and the pushing disk is mounted on the mounting base via the guide member.

4. The generator rotor bearing assembly device as described in claim 3, characterized in that, The guiding component includes a guide rod and a connecting block. The guide rod is slidably mounted on the mounting base. The connecting block is fixedly mounted on the guide rod and is fixedly connected to the push plate.

5. The generator rotor bearing assembly device as described in claim 1, characterized in that, The centering device further includes a reset assembly, which includes a reset spring and a limiting ring. The limiting ring is fixedly installed on the centering rod. The reset spring is sleeved on the centering rod, and its two ends are fixedly connected to the limiting ring and the fixing plate, respectively.

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