CN211889753U - Fan rotor bearing tears open and pulls out device - Google Patents
Fan rotor bearing tears open and pulls out device Download PDFInfo
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- CN211889753U CN211889753U CN202020494475.1U CN202020494475U CN211889753U CN 211889753 U CN211889753 U CN 211889753U CN 202020494475 U CN202020494475 U CN 202020494475U CN 211889753 U CN211889753 U CN 211889753U
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- electric push
- push rod
- arm
- rotor bearing
- fan rotor
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Abstract
The utility model belongs to the technical field of the pull-out of fan rotor bearing, the utility model discloses a pull-out device of fan rotor bearing, the fixed disc is fixed and arranged at the left bottom position of a portable handle, and the fixed disc is used for fixedly installing an electric push rod; the number of the electric push rods is three, the electric push rods are arranged at the bottom of the fixed disc in a triangular mode in the circumferential direction, telescopic rods of the electric push rods are fixedly connected with the upper portion of the connecting disc, and the upper portion of each electric push rod is fixedly connected with the bottom of the fixed disc; the square grooves are fixedly arranged at the left side and the right side of the connecting disc; the disassembling and pulling devices are symmetrically and fixedly arranged in the square grooves respectively. The dismounting and pulling device for the fan rotor bearing greatly improves dismounting and pulling efficiency of the fan rotor bearing, reduces labor intensity, shortens time period for replacing the bearing, improves force application uniformity in the process of dismounting and pulling the fan rotor bearing, reduces scratches on a fan rotor, and reduces noise of a fan in the operation process.
Description
Technical Field
The utility model belongs to the technical field of pull out of tearing open of fan rotor bearing, concretely relates to device is pulled out in tearing open of fan rotor bearing.
Background
In the locomotive maintenance process, the maintenance of the locomotive air exchange system fan is a necessary item, which is beneficial to improving the stability of the locomotive air supply and exchange system. The locomotive air supply fan is important equipment of a locomotive air exchange system, and plays an important role in air exchange inside the locomotive, so that the locomotive needs to perform work during inspection and maintenance of the air supply fan in the maintenance process. The HXD1 locomotive air supply fan is for confirming the piece, in the test process is repaiied to C6, and the trouble that air supply fan noise is big often appears after the air conditioner starts to operate, needs to rework and change air supply fan again. In the locomotive test process, all the parts of the cab are installed in place, and related equipment needs to be removed when the air supply fan is removed and installed, so that the rework amount is extremely large, and the response of a locomotive user is more difficult to explain or process. Through condition analysis during maintenance, the main cause high probability of causing the noise of the air supply fan is the mechanical noise. The mechanical noise is mainly caused by the fact that the bearing clearance is increased in the long-term operation process of the air supply fan, and is bound to the long-term use of the locomotive, namely the key is determined to solve the bearing problem.
Analyzing the cause of the noise of the air supply fan, and manufacturing a tool for replacing a bearing after secondary disassembly of an air supply fan motor according to the bearing clearance; in order to disassemble the bearing of the fan, the coil of the rotor of the fan needs to be disassembled first, and then the bearing on the rotor needs to be disassembled.
However, in the prior art, the volume of the majority of the disassembling and pulling tools for the upper bearing of the fan rotor is large, the disassembling and pulling of the bearing of the fan rotor cannot be adapted to, the bearing of the fan rotor needs to be disassembled and pulled manually, and the main existing problem of the bearing of the fan rotor is disassembled and pulled manually: 1. the working efficiency of the fan rotor bearing is low by adopting a manual mode, the labor intensity is high, and the time period for replacing the bearing is prolonged; 2. the wind turbine rotor bearing is disassembled and pulled out manually, and due to uneven force application in the disassembling and pulling process, scratches are easily caused on the surface of the rotor, and the noise in the working process of the wind turbine is increased; the inventor develops a device for disassembling and pulling a fan rotor bearing based on the defects in the prior art, and can well solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a device for disassembling and pulling a fan rotor bearing, which has simple design structure, scientific and reasonable structure, convenient operation and small volume; the utility model can solve the problems that the fan rotor bearing is manually pulled and disassembled in the prior art, the working efficiency is low, the labor intensity is high, and the time period for replacing the bearing is prolonged; meanwhile, the problems that due to the fact that the force is not uniform when a rotor bearing of the fan is disassembled and pulled out in a manual mode, scratches are easily caused on the surface of the rotor, and the noise of the fan in the working process is increased are solved.
The utility model adopts the technical proposal that: a fan rotor bearing dismounting device comprises a portable handle, a connecting wire, an electric push rod switch and a fixed disc; the electric push rod switch is fixedly arranged at the bottom of the right side of the handle and used for controlling the opening and closing of the electric push rod so as to realize the extending or retracting action of the electric push rod; the fixed disc is fixedly arranged at the bottom of the left side of the portable handle and is used for fixedly mounting the electric push rod; the number of the electric push rods is three, the electric push rods are arranged at the bottom of the fixed disc in a triangular mode in the circumferential direction, telescopic rods of the electric push rods are fixedly connected with the upper portion of the connecting disc, and the upper portion of each electric push rod is fixedly connected with the bottom of the fixed disc; the square grooves are fixedly arranged at the left side and the right side of the connecting disc; the detachable arm is symmetrically and fixedly arranged in the square groove respectively, the detachable device comprises a detachable arm which is L-shaped, a detachable plate is fixedly arranged at one side of the bottom of the detachable arm, a hinge hole is fixedly arranged at the right end of the upper portion of the detachable arm, the upper portion of the detachable arm is sleeved in the square groove, and a hinge shaft penetrates through the hinge hole and the square groove and is fixedly connected with the front side and the rear side of the square groove.
The connecting wire is connected with a socket at a power end through a plug in a plugging mode and is used for providing power needed by work for the electric push rod.
And the conducting wire coming out of the electric push rod switch penetrates through the middle positions of the lower parts of the hand-held handle and the fixed disc and is fixedly communicated with the electric push rod respectively.
The square groove is mirror symmetry about the position is about in the connection pad, and the front and back position of square groove about through the fixed setting of articulated shaft is pulled out to two of bilateral symmetry settings, pulls out the arm and realizes through the articulated shaft the horizontal hunting in the square groove.
The use process of the dismounting device for the fan rotor bearing comprises the following steps: when the bearing in the fan needs to be disassembled and pulled by the disassembling and pulling device for the fan rotor bearing, firstly, an operator inserts and energizes a connecting wire with a socket of a power supply through a plug, then, the operator holds the upper position of the right side of the handle and aligns with the upper part of the fan (a coil on a rotor in the fan is disassembled in advance through a special tool, only the bearing is left on the rotor of the fan at the moment), at the moment, the operator moves the disassembling and pulling device for the fan rotor bearing downwards, and simultaneously, the operator presses an electric push rod switch at the bottom position of the handle to extend a telescopic rod of an electric push rod, and the disassembling and pulling plates at the bottoms of disassembling and pulling arms in the disassembling and pulling device which are symmetrical left and right are tightly buckled at the bottom positions of the left side and the right side of the bearing by utilizing a gap between the rotor and a stator; after the telescopic link of electric putter stretches out, press the electric putter switch once more, utilize the retracting action of electric putter's telescopic link of electric putter switch control, when electric putter's telescopic link withdrawal, drive connection pad and pull out the tearing open of pulling out the device and pull out arm and pull out board rebound to finally pull out the bearing. The process is the using process of the dismounting device for the fan rotor bearing.
The portable handle is of an L-shaped structure, a connecting wire penetrates through the upper part of the right side of the portable handle and is fixedly communicated with the electric push rod switch, and the connecting wire is plugged and electrified with a socket at a power supply end through a plug and is used for supplying power required by work to the electric push rod; the main purpose of setting like this is through the setting of connecting wire, on the one hand for the electric putter switch provides the power of control electric putter flexible action, on the other hand provides the power supply that is used for flexible action for electric putter.
The fixed disc is fixedly arranged at the bottom of the left side of the portable handle and is used for fixedly mounting the electric push rod; the number of the electric push rods is three, the electric push rods are arranged at the bottom of the fixed disc in a triangular mode in the circumferential direction, telescopic rods of the electric push rods are fixedly connected with the upper portion of the connecting disc, and the upper portion of each electric push rod is fixedly connected with the bottom of the fixed disc; the main objective that sets up like this is triangle-shaped's setting through electric putter, has improved the pulling force that pulls out is torn open to the bearing on the one hand, and on the other hand can improve the homogeneity of power when pulling out is torn open to the bearing, reduces the mar to fan rotor surface, plays the effect that reduces the fan noise.
The square grooves are fixedly arranged at the left side and the right side of the connecting disc; the disassembling and pulling arms are respectively and symmetrically fixedly arranged in the square grooves, the disassembling and pulling device comprises disassembling and pulling arms, the disassembling and pulling arms are L-shaped, a disassembling and pulling plate is fixedly arranged at one side of the bottoms of the disassembling and pulling arms, a hinge hole is fixedly arranged at the right end of the upper part of each disassembling and pulling arm, the upper parts of the disassembling and pulling arms are sleeved in the square grooves, and a hinge shaft penetrates through the hinge holes to be fixedly connected with the front side and the rear side of each square groove; the main purposes of this arrangement are: the dismounting arm can swing left and right, so that the flexibility of the dismounting arm entering between the fan stator and the rotor is improved, the dismounting plate is conveniently and quickly fastened at the bottom of the bearing, and a stable fastening and fixing effect is provided for dismounting and mounting the bearing; on the other hand, the contact area of the bearing buckle is increased through the arrangement of the pulling plate, and the stability of upward pulling force of the bearing is improved.
The square groove is in left-right mirror symmetry at the left and right positions of the connecting plate, two pulling arms which are arranged in left-right symmetry are fixedly arranged at the front and rear positions in the left and right square grooves through hinge shafts, and the pulling arms swing left and right in the square groove through the hinge shafts; the main purpose that sets up like this is that the realization is torn open and is pulled out the arm and can the horizontal hunting, has improved and has torn open and pull out the flexibility that the arm entered into between fan stator and the rotor, conveniently tears the bottom position of pulling out the board fast, conveniently and tightly detaining at the bearing.
Under the combined action of the electric push rod and the dismounting device, the bearing on the fan rotor can be dismounted fast, the dismounting efficiency of the fan rotor bearing is improved, the labor intensity is reduced, and the time period for replacing the bearing is shortened.
The combined action of the two technical characteristics of the electric push rod and the dismounting device is inseparable, and technical support is provided for dismounting and mounting the fan rotor bearing.
The utility model has the advantages that: the utility model provides a dismounting device for a fan rotor bearing, which has simple design structure, scientific and reasonable structure, convenient operation and small volume; the efficiency of tearing open and drawing fan rotor bearing is greatly improved, intensity of labour is reduced, the time period of changing the bearing is shortened, the uniformity of exerting oneself in the process of tearing open and drawing fan rotor bearing is improved, the scratch to the fan rotor is reduced, and the noise of fan in the operation process is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the pulling arm of the present invention;
FIG. 3 is a diagram illustrating the usage of the present invention;
the labels in the figure are: 1. the portable handle, 2, connecting wire, 3, electric putter switch, 4, fixed disc, 5, electric putter, 6, connection pad, 7, square groove, 8, tear the device open, 801, tear the arm open, 802, tear the board open, 803, hinge hole, 804, articulated shaft, 9, fan, 10, stator, 11, rotor, 12, bearing.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in the figure, the dismounting device for the fan rotor bearing comprises a portable handle 1, a connecting wire 2, an electric push rod switch 3 and a fixed disc 4; the portable handle 1 is of an L-shaped structure, the connecting wire 2 penetrates through the upper part of the right side of the portable handle 1 and is fixedly communicated with the electric push rod switch 3, and the electric push rod switch 3 is fixedly arranged at the bottom position of the right side of the portable handle 1 and is used for controlling the opening and closing of the electric push rod 5 so as to realize the extending or retracting action of the electric push rod 5; the fixed disc 4 is fixedly arranged at the bottom of the left side of the portable handle 1, and the fixed disc 4 is used for fixedly mounting an electric push rod 5; the number of the electric push rods 5 is three, the electric push rods 5 are arranged at the bottom of the fixed disc 4 in a triangular mode in the circumferential direction, telescopic rods of the electric push rods 5 are fixedly connected with the upper portion of the connecting disc 6, and the upper portion of the electric push rods 5 is fixedly connected with the bottom of the fixed disc 4; the square grooves 7 are fixedly arranged at the left side and the right side of the connecting disc 6; tear and pull out arm 8 symmetry respectively and fixedly set up in square groove 7, tear open and pull out device 8 and including tearing open and pull out arm 801, tear open and pull out arm 801 and be the L type, tear open and pull out the fixed bottom one side position that sets up tearing open and pull out arm 801 of board 802, hinge hole 803 is fixed to be set up in the upper portion right-hand member position of tearing open and pull out arm 801, the upper portion suit of tearing open and pull out arm 801 is in square groove 7 to lead to articulated shaft 804 and pass hinge hole 803 and square groove 7 both sides fixed connection around.
The connecting wire 2 is plugged and electrified with a socket at a power end through a plug and is used for providing power required by work for the electric push rod.
The conducting wires from the electric push rod switch 3 penetrate through the middle positions of the lower parts of the handle 1 and the fixed disc 5 and are respectively fixedly communicated with the electric push rod 5.
The square groove 7 is in left-right mirror symmetry at the left-right position of the connecting disc 6, two dismounting arms 801 which are in left-right symmetry are fixedly arranged at the front and rear positions in the left-right square groove 7 through hinge shafts 804, and the dismounting arms 801 swing left and right in the square groove 7 through the hinge shafts 804.
The use process of the dismounting device for the fan rotor bearing comprises the following steps: when the bearing 12 in the fan 9 needs to be disassembled by using the disassembling and pulling device for the fan rotor bearing, firstly, an operator inserts and energizes the connecting wire 2 with a socket of a power supply through a plug, then, the operator holds the upper position of the right side of the handle 1 by hand and aligns with the upper part of the fan 9 (a coil on a rotor 11 in the fan 9 is disassembled in advance through a special tool, only the bearing 12 is left on the rotor 11 of the fan 9 at the moment), at the moment, the operator moves the disassembling and pulling device for the fan rotor bearing downwards, simultaneously, the operator presses the electric push rod switch 3 at the bottom position of the handle 1 to extend the telescopic rod of the electric push rod 5, and the disassembling and pulling plates 802 at the bottoms of the disassembling and pulling arms 801 in the disassembling and pulling device 8 which is symmetrical left and right are tightly buckled at the bottom positions of the left side and the right side of the bearing 12 by utilizing a gap between the rotor 11 and a stator; after the telescopic rod of the electric push rod 5 is extended, the electric push rod switch 3 is pressed again, the electric push rod switch 3 is used for controlling the retraction action of the telescopic rod of the electric push rod 5, and when the telescopic rod of the electric push rod 5 is retracted, the connecting disc 6 and the pulling arm 801 and the pulling plate 802 of the pulling device 8 are driven to move upwards, so that the bearing 12 is finally pulled out. The process is the using process of the dismounting device for the fan rotor bearing.
Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A fan rotor bearing dismounting device comprises a portable handle, a connecting wire, an electric push rod switch and a fixed disc; the electric push rod switch is fixedly arranged at the bottom of the right side of the handle and used for controlling the opening and closing of the electric push rod so as to realize the extending or retracting action of the electric push rod; the method is characterized in that: the fixed disc is fixedly arranged at the bottom of the left side of the portable handle and is used for fixedly mounting the electric push rod; the number of the electric push rods is three, the electric push rods are arranged at the bottom of the fixed disc in a triangular mode in the circumferential direction, telescopic rods of the electric push rods are fixedly connected with the upper portion of the connecting disc, and the upper portion of each electric push rod is fixedly connected with the bottom of the fixed disc; the square groove is fixedly arranged at the left side and the right side of the connecting disc; tear open and draw the arm and respectively the symmetry fixed setting in square groove, tear open and draw the device and including tearing open and draw the arm, tear open and draw the arm and be the L type, tear open and draw the fixed bottom one side position that sets up in tearing open and draw the arm of board, the fixed upper portion right-hand member position that sets up in tearing open and draw the arm of hinge hole, tear open the upper portion suit that draws the arm in square groove to lead to the articulated shaft and pass both sides fixed connection around hinge hole and square groove.
2. The dismounting device for the rotor bearing of the blower fan according to claim 1, characterized in that: the connecting wire is plugged and electrified with a socket at the power end through a plug and is used for providing power required by work for the electric push rod.
3. The dismounting device for the rotor bearing of the blower fan according to claim 1, characterized in that: the conducting wire from the electric push rod switch passes through the middle positions of the lower parts of the hand-held handle and the fixed disc and is respectively fixedly communicated with the electric push rod.
4. The dismounting device for the rotor bearing of the blower fan according to claim 1, characterized in that: the square groove is mirror symmetry about the position is about in the connection pad, and the front and back position that square groove was around fixed setting through the articulated shaft to two of bilateral symmetry settings is torn open and is pulled out the arm, tears open and pull out the arm and realize the horizontal hunting in square groove through the articulated shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020494475.1U CN211889753U (en) | 2020-04-08 | 2020-04-08 | Fan rotor bearing tears open and pulls out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020494475.1U CN211889753U (en) | 2020-04-08 | 2020-04-08 | Fan rotor bearing tears open and pulls out device |
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| Publication Number | Publication Date |
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| CN211889753U true CN211889753U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020494475.1U Active CN211889753U (en) | 2020-04-08 | 2020-04-08 | Fan rotor bearing tears open and pulls out device |
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| CN (1) | CN211889753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230452A (en) * | 2020-04-08 | 2020-06-05 | 中车洛阳机车有限公司 | Fan rotor bearing tears open and pulls out device |
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2020
- 2020-04-08 CN CN202020494475.1U patent/CN211889753U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230452A (en) * | 2020-04-08 | 2020-06-05 | 中车洛阳机车有限公司 | Fan rotor bearing tears open and pulls out device |
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