Strong-lifting electric roller bracket
By adding a transmission belt and annular groove protrusion structure to the roller bracket, combined with gear drive, the problem of slippage between the roller and the rotor is solved, achieving more stable assembly and disassembly operations and reducing maintenance costs.
Patent Information
- Application Number
- CN202422853494.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-22
AI Technical Summary
During the lateral assembly and disassembly of the rotor and stator of nuclear power generation equipment, slippage between the rollers and the rotor is easy, making the assembly and disassembly operation difficult.
A high-lift electric roller bracket was designed, which uses a transmission belt and annular groove protrusion structure to enhance the friction between the roller and the rotor, and uses gears to drive the roller to reduce slippage.
It effectively improves the friction between the roller and the rotor, reduces slippage, enhances the stability and efficiency of assembly and disassembly operations, and reduces equipment maintenance costs.
Smart Images
Figure CN223514723U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to nuclear power generation equipment field especially relates to a roller bracket. BACKGROUND
[0002] The rotor and stator of large generator are generally adopted horizontal assembling and disassembling method when assembling and disassembling in small space workshop, horizontal assembling and disassembling can be carried out in the space of limited height, avoids the complex operation needing vertical lifting, is suitable for the environment of limited space.
[0003] When the rotor is hoisted and then inserted into the stator in horizontal assembling and disassembling, the rotor needs to be rotated by roller to detect whether the rotor and stator are matched, but the surface of roller and rotor is smooth, and the roller and rotor are easy to slip when the rotor of nuclear power generation equipment is rotated. UTILITY MODEL CONTENTS
[0004] In view of the problems existing in the prior art, the utility model is provided.
[0005] To solve the above technical problems, the utility model provides the following technical scheme.
[0006] The strong lifting electric roller bracket, including base, the lower part of base is equipped with motor, the top of base is equipped with two rollers, the motor drive connection roller;
[0007] It further includes a transmission belt, the transmission belt is tensioned on the two rollers;The outer side wall of the roller is provided with an annular groove with an outward opening, the inner side wall of the transmission belt is provided with an annular protrusion protruding inward, the annular protrusion is connected with the annular groove, and the plane where the annular groove is located is perpendicular to the central axis of the roller.
[0008] The utility model adds transmission belt on the roller of strong lifting electric roller bracket, which can effectively improve the friction between the roller and the rotor and reduce the slip between them. The utility model adds an annular groove on the roller and an annular protrusion in the transmission belt, which can effectively limit the rolling direction of the transmission belt and avoid displacement and deviation of the transmission belt during rolling.
[0009] Preferably, the cross section of the annular groove is isosceles trapezoidal, the groove bottom of the annular groove is provided with an anti-skid protrusion;The cross section of the annular protrusion is isosceles trapezoidal, the top of the annular protrusion is provided with an anti-skid groove, the anti-skid protrusion is connected with the anti-skid groove, and the extension direction of the anti-skid protrusion is parallel to the central axis of the roller.
[0010] Preferably, the annular grooves opened on the same roller are at least four, and gaps are arranged between two adjacent annular grooves; the transmission belt tightened on the roller is at least two, and at least two annular protrusions are arranged on any one transmission belt.
[0011] Preferably, the transmission belt is embedded with two metal nets, which are a first metal net and a second metal net, the first metal net is located inside the transmission belt, and the outer side wall of the second metal net is flush with the outer side wall of the transmission belt.
[0012] Preferably, the mesh of the first metal net is larger than the mesh of the second metal net. Thus, by using the inconsistency of the mesh, the mesh of the first metal net and the second metal net is staggered more, so as to ensure the strength of the transmission belt.
[0013] Preferably, the first metal net and the second metal net are connected through equidistantly arranged springs. In production, the springs play a role of positioning and supporting, and can limit the distance between the first metal net and the second metal net. In use, the springs play a role of buffering and supporting, and can effectively increase the strength of the transmission belt.
[0014] Preferably, the base is isosceles trapezoidal, the center axis of the roller is located on the top surface of the base, and the center axis of the motor is located on the axisymmetric surface of the base.
[0015] Preferably, the motor shaft of the motor extends out of the base, and a first gear is sleeved on the motor shaft;
[0016] The roller shaft of the roller extends out of the base, and a second gear is sleeved on the roller shaft;
[0017] The first gear engages the second gear. The motor of the utility model drives the roller through the gear, which can effectively reduce the transmission components and reduce the maintenance cost of the equipment. The gear of the utility model is located outside the base, which is convenient for maintenance and replacement. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without paying the creative labor. Among them:
[0019] Figure 1 The overall structure schematic view of the strong lifting electric roller bracket provided by one embodiment of the utility model;
[0020] Figure 2The side view structural schematic diagram of the strong-lifting electric roller bracket is provided in an embodiment of the utility model.
[0021] Figure 3 The roller and transmission belt structural schematic diagram of the strong-lifting electric roller bracket is provided in an embodiment of the utility model.
[0022] Figure 4 The roller internal structural schematic diagram of the strong-lifting electric roller bracket is provided in an embodiment of the utility model. DETAILED DESCRIPTION
[0023] In order to make the above objects, features and advantages of the utility model more apparent, the specific embodiments of the utility model will be described in detail below with reference to the accompanying drawings.
[0024] In the following description, a lot of specific details are set forth in order to facilitate a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.
[0025] Secondly, the utility model is described in detail in combination with the schematic diagram, when the embodiments of the utility model are described in detail, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual manufacture.
[0026] Thirdly, the "one embodiment" or "embodiment" referred to herein can include specific features, structures or characteristics in less than one implementation of the utility model. In this specification, "in one embodiment" does not refer to the same embodiment, nor is it an embodiment that is independent of or selectively excludes other embodiments.
[0027] Embodiment 1
[0028] Referring to Figures 1-4 The strong-lifting electric roller bracket comprises a base 1, a motor 4 is arranged at the lower part of the base 1, two rollers 2 are arranged at the top of the base 1, and the motor 4 is drivingly connected with the rollers 2.
[0029] The utility model also comprises a transmission belt 3, the transmission belt 3 is taut on two rollers 2, the outer side wall of roller 2 is equipped with the annular recess 21 outwardly opening, the inner side wall of transmission belt 3 is equipped with the annular protrusion 31 inwardly protruding, the annular protrusion 31 is clamped the annular recess 21, the plane where the annular recess 21 is located is perpendicular to the central axis of roller 2.
[0030] The section of annular recess 21 is isosceles trapezoidal, and the groove bottom of annular recess 21 is provided with an anti-skid protrusion; the section of annular protrusion 31 is isosceles trapezoidal, and the top of annular protrusion 31 is provided with an anti-skid groove, the anti-skid protrusion is clamped with the anti-skid groove, and the extension direction of the anti-skid protrusion is parallel to the central axis of roller 2.
[0031] The annular recess 21 opened on the same roller 2 is at least four, and a gap is arranged between the two adjacent annular recesses 21; the transmission belt 3 taut on the roller 2 is at least two, and at least two annular protrusions 31 are arranged on any one transmission belt 3.
[0032] The transmission belt 3 is embedded with two metal nets, which are a first metal net 32 and a second metal net 33; the first metal net 32 is located inside the transmission belt, and the outer side wall of the second metal net 33 is flush with the outer side wall of the transmission belt.
[0033] The mesh of the first metal net 32 is larger than that of the second metal net 33, so that the meshes of the first metal net 32 and the second metal net 33 are more staggered by virtue of the inconsistency of the meshes, to ensure the strength of the transmission belt.
[0034] The first metal net 32 and the second metal net 33 are connected through the springs 34 arranged at equal intervals. During production, the springs 34 play a positioning and supporting role, and can limit the distance between the first metal net 32 and the second metal net 33. During use, the springs 34 play a buffering and supporting role, and can effectively increase the strength of the transmission belt 3.
[0035] When in use, the roller 2 is additionally provided with a transmission belt 3, the transmission belt 3 is clamped in the annular groove 21 of the roller 2 through two annular protrusions 31, the annular groove 21 and the annular protrusion 31 can effectively limit the rolling direction of the transmission belt 3, avoiding the transmission belt from moving and deviating in the rolling process, two metal nets are embedded in the transmission belt 3, the first metal net 32 and the second metal net 33 are connected through the equidistantly arranged springs 34, the springs 34 play a buffering and supporting role, which can effectively increase the strength of the transmission belt 3, the outer side wall of the second metal net 33 is flush with the outer side wall of the transmission belt, which can improve the friction condition of the roller 2 and the rotor and reduce the slip between the two.
[0036] Embodiment 2
[0037] Refer to Figure 1 and Figure 2 , the second embodiment of the utility model, this embodiment is based on the last embodiment.
[0038] The base 1 is isosceles trapezoidal, the center axis of the roller 2 is located on the top surface of the base 1, and the center axis of the motor 4 is located on the symmetry axis surface of the base 1.
[0039] The motor 4 shaft of the motor 4 extends out of the base 1, and the first gear 41 is sleeved on the motor 4 shaft; the roller shaft 42 of the roller 2 extends out of the base 1, and the second gear 22 is sleeved on the roller shaft 42; the first gear 41 engages with the second gear 22. The motor 4 of the utility model drives the roller 2 through the gear, which can effectively reduce the transmission component and reduce the maintenance cost of the equipment. The gear of the utility model is located outside the base 1, which is convenient for overhaul and replacement.
[0040] When in use, the base 1 is isosceles trapezoidal, which improves the stability of the base 1, the motor 4 drives the first gear 41 to rotate, the first gear 41 is engaged with the second gear 22 on the roller shaft 42, so that the first gear 41 drives the two rollers 2 to rotate together, the transmission belt tightened on the two rollers 2 also starts to rotate with the rolling roller 2, the rotor is placed between the two rollers 2, the rolling roller 2 and the moving transmission belt drive the rotor to rotate, so that the rotor can rotate stably and check whether it is matched with the stator.
[0041] It should be noted that the above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A high-lift electric roller bracket, comprising a base, a motor disposed at the lower part of the base, and two rollers disposed at the top of the base, the motor driving and connecting the rollers, characterized in that: It also includes a drive belt tensioned on two rollers; The outer side wall of the roller is provided with an annular groove with an outward opening, and the inner side wall of the transmission belt is provided with an annular protrusion with an inward protrusion. The annular protrusion engages with the annular groove, and the plane of the annular groove is perpendicular to the central axis of the roller.
2. The high-lift electric roller bracket according to claim 1, characterized in that: The cross-section of the annular groove is in the shape of an isosceles trapezoid, and the bottom of the annular groove is provided with anti-slip protrusions; The cross-section of the annular protrusion is in the shape of an isosceles trapezoid, and the top of the annular protrusion is provided with an anti-slip groove. The anti-slip protrusion engages with the anti-slip groove, and the extension direction of the anti-slip protrusion is parallel to the central axis of the roller.
3. The high-lift electric roller bracket according to claim 2, characterized in that: There are at least four annular grooves on the same roller, and there is a gap between two adjacent annular grooves; there are at least two transmission belts tensioned on the roller, and each transmission belt has at least two annular protrusions.
4. The high-lift electric roller bracket according to claim 1, characterized in that: The transmission belt is embedded with two metal meshes, namely a first metal mesh and a second metal mesh. The first metal mesh is located inside the transmission belt, and the outer wall of the second metal mesh is flush with the outer wall of the transmission belt.
5. The high-lift electric roller bracket according to claim 4, characterized in that: The mesh size of the first metal mesh is larger than that of the second metal mesh.
6. The high-lift electric roller bracket according to claim 4, characterized in that: The first metal mesh and the second metal mesh are connected by springs arranged at equal intervals.
7. The high-lift electric roller bracket according to claim 1, characterized in that: The base is in the shape of an isosceles trapezoid, the central axis of the roller is located on the top surface of the base, and the central axis of the motor is located on the plane of symmetry of the base.
8. The high-lift electric roller bracket according to claim 7, characterized in that: The motor shaft of the motor extends out of the base, and a first gear is sleeved on the motor shaft; The roller shaft extends out of the base, and a second gear is fitted on the roller shaft; The first gear meshes with the second gear.