Large lamination pressure maintaining hydraulic equipment
By adopting a combination design of hydraulic columns and push rods in large-scale stacking and pressure-holding hydraulic equipment, the problem of uneven force during the stacking and compaction process is solved, and uniform extrusion and compaction of the stacked sheets are achieved.
Patent Information
- Application Number
- CN202423297782.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing large motor stator and rotor laminations suffer from uneven stress during the compaction process, resulting in poor compaction and easy occurrence of protrusions.
Hydraulic columns are movably mounted on the support plate. By independently adjusting the distribution and position of the hydraulic columns, pressure uniformity at each location is ensured. Precise extrusion is achieved through the cooperation of push rods and limit plates.
It achieves uniform extrusion of the stacked sheets, improves the compaction effect, makes the stacked sheets more compact and stable, and avoids the problem of bulging caused by uneven pressure.
Smart Images

Figure CN223666200U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to generator technical field especially relates to a large -scale lamination pressure -maintaining hydraulic equipment. BACKGROUND
[0002] The large -scale motor stator and rotor lamination pressure system can be orderly stacked on the rotor or stator assembly through similar rotor lamination action, and finally press the whole or part of the assembled rotor or stator. It is relatively fast and convenient, and the fan-shaped sheet can be detected during the stacking process, and whether the fan-shaped sheet has an angle is detected.
[0003] The existing fan-shaped lamination is assembled layer by layer, and the assembled fan-shaped lamination needs to be pressed tightly, so that the placed fan-shaped laminations are more compact. Since the number of assembled fan-shaped laminations is large, the middle pressure is large and the two sides are small during the whole compaction, so that the overall pressure is uneven during the extrusion process, and the compaction effect is poor, which easily leads to the convex condition on the two sides. UTILITY MODEL CONTENT
[0004] The utility model discloses a large -scale lamination pressure -maintaining hydraulic equipment, solve the problem that the existing fan-shaped lamination is unevenly stressed during the whole compaction.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A large -scale lamination pressure -maintaining hydraulic equipment, comprising,
[0007] Fixed support and,
[0008] The compaction platform is fixedly arranged on the fixed support, and the compaction platform comprises a bearing plate and a hydraulic column, the bearing plate is fixed on the fixed support, and the hydraulic column is movably arranged on the bearing plate, and a plurality of hydraulic columns are uniformly arranged on the bearing plate, so that the hydraulic column can adjust the extrusion according to the shape of the extruded lamination.
[0009] Preferably, the fixed support comprises a lower support base, a connecting rod and an upper support base, the two ends of the connecting rod are fixedly connected with the lower support base and the upper support base respectively, and then a four-side open bearing platform is formed by combination, which is used for bearing the combined fan-shaped lamination assembly.
[0010] Preferably, the bearing plate is fixedly arranged on the upper support base, and a sliding groove is formed on the surface of the bearing plate corresponding to the hydraulic column, and two sliding grooves are arranged corresponding to each hydraulic column.
[0011] Preferably, the hydraulic column is fixed with a limiting plate near one end of the bearing plate, the limiting plate is provided with a sliding block near one end of the bearing plate corresponding to the sliding groove, and the sliding block is slidingly embedded in the sliding groove.
[0012] Preferably, the bearing plate is fixed with a pushing rod corresponding to the hydraulic column at both ends in the width direction, and two pushing rods are arranged in the width direction of the bearing plate for each hydraulic column.
[0013] Preferably, the bottom of the upper support seat is provided with an adjusting groove corresponding to the hydraulic column, and a pressure rod of the hydraulic column is penetratingly arranged in the adjusting groove, and the pressure rod works in abutment with one end of the placed assembled laminations.
[0014] The utility model has the following beneficial effects:
[0015] Through the hydraulic column and the bearing plate, the hydraulic column is movably arranged on the bearing plate, and a plurality of hydraulic columns are arranged on the bearing plate, and each hydraulic column can work independently, so that when the laminations are placed in the fixed support, the distribution of the hydraulic column is adjusted according to the shape of the combined laminations, and the laminations are extruded as a whole, and since each hydraulic column works independently, the pressure of each part of the combined laminations is the same during extrusion, so that the overall extrusion is more uniform, and the extruded laminations are more compact and stable. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0017] Figure 1 It is the overall structure schematic diagram of the utility model;
[0018] Figure 2 It is the overall front view of the utility model;
[0019] Figure 3 It is the overall top view of the utility model;
[0020] Figure 4 It is Figure 1 The enlarged view of A in the figure;
[0021] Figure 5 It is the overall bottom structure schematic diagram of the utility model.
[0022] In the figure:
[0023] 1, fixed support;
[0024] 10, lower support seat; 11, connecting rod; 12, upper support seat; 120, adjusting groove;
[0025] 2, compaction platform;
[0026] 20, bearing plate; 201, sliding groove;
[0027] 21, hydraulic column; 210, limiting plate; 211, pressure rod; 212, sliding block;
[0028] 22, push rod. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.
[0030] Referring to Figures 1-5 A large laminated pressure maintaining hydraulic equipment, comprising a fixed support 1, wherein the fixed support 1 is combined by a lower support seat 10, a connecting rod 11 and an upper support seat 12, the lower support seat 10 and the upper support seat 12 are fixedly connected at both ends of the connecting rod 11, and four connecting rods 11 are arranged between the lower support seat 10 and the upper support seat 12, so that the upper support seat 12 and the lower support seat 10 after connection are in a parallel state, and since the fixed support 1 after connection has no shielding around, the fixed support 1 forms a four-side open bearing platform, which is used for bearing the combined laminations conveyed through the moving workbench, and the combined laminations are placed above the fixed support 1, which is convenient for subsequent extrusion.
[0031] Referring to Figure 1 and Figure 4, further optimization is, the compaction platform 2 is combined by bearing plate 20 and hydraulic column 21, and the bearing plate 20 is fixedly arranged on the surface of the upper support 12, and the hydraulic column 21 is movably arranged on the bearing plate 20, a sliding groove 201 is formed on the side of the bearing plate 20 close to the hydraulic column 21, so that the hydraulic column 21 can move along the sliding groove 201, and the sliding groove 201 is arranged on the bearing plate 20 below each hydraulic column 21, so that the movement of each hydraulic column 21 is independent and does not interfere with each other, and the limiting plate 210 is arranged at the bottom of the hydraulic column 21, and the sliding block 212 (not shown in the figure) is arranged on the limiting plate 210, and the sliding block 212 can be a square block or a "cross" block, and the square block is selected, the sliding block 212 is slidably embedded in the sliding groove 201, so that the movement of the hydraulic column 21 can only be horizontal up and down, so that the position of each hydraulic column 21 is adjusted, and the push rod 22 is fixedly arranged on the bearing plate 20 at the two ends of the bearing plate 20 along the width direction corresponding to the hydraulic column 21, and the push rod 22 is preferably an electric telescopic rod, and the edge of the limiting plate 210 at the bottom of the hydraulic column 21 is abutted by the telescopic rod of the electric telescopic rod.
[0032] In specific implementation, according to the shape of the combined laminates placed on the fixed support 1, the overall shape of the hydraulic system formed by the hydraulic column 21 is adjusted, and the shape can be adjusted to be arc-shaped and suitable for the shape of the laminates, and the adjustment is realized by sliding the limiting plate 210 in the sliding groove 201 by the push rod 22, thereby driving the hydraulic column 21 to move forward and backward in the horizontal plane, so as to adjust the position of the hydraulic column 21, and each hydraulic column 21 is adjusted independently during adjustment, so that the shape formed is better adapted to the shape of the laminates, after the hydraulic rod is moved to the determined position, the two push rods 22 are fixed on the edge of the limiting plate 210 below the hydraulic column 21, and the hydraulic column 21 is abutted and fixed, so that the hydraulic column 21 is more stable after adjustment, and the laminates are not deviated during extrusion, so that the force on each position of the laminates is the same during extrusion, and the force is more uniform.
[0033] Reference Figure 5As shown, further optimization is that a plurality of adjusting grooves 120 are arranged at the bottom of the upper support base 12 corresponding to the hydraulic columns 21 respectively, and the length of the adjusting grooves 120 is same with the length of the sliding grooves 201, so that the pressure rod 211 can be adjusted and moved when the hydraulic column 21 is moved, thereby facilitating the adjustment of the pressure rod 211, and after the adjustment of the pressure rod 211, one end of the pressure rod 211 abuts against the placed laminations, thereby better facilitating the extrusion of each part of the laminations by each hydraulic column 21 when extruding, so that the stress is more uniform, and the overall use effect is better improved, the extrusion is more stable, and the laminations are more firmly fixed after extrusion, and one end of the pressure rod 211 is provided with a pressure head, the pressure head is cylindrical and extends out of the adjusting groove 120, and the diameter of the pressure head is greater than the width of the adjusting groove 120, so that the hydraulic column 21 cannot be separated from the upper support base 12 when moving, thereby improving the stability.
[0034] In specific implementation, when the hydraulic column 21 is pushed and moved by the push rod 22, the pressure rod 211 on the hydraulic column 21 also moves in the adjusting groove 120, so that the pressure rod 211 abuts against the laminations, and when the hydraulic column 21 is started to extrude, the pressure rod 211 can more accurately extrude one end of the laminations, so that the one end of the laminations abuts against each other, the overall extrusion effect is better improved, the extrusion is more accurate and stable, and the misalignment and deviation are avoided, and secondly, the extrusion is more uniform, so that the stress of each part is same, the laminations are more tightly fixed after extrusion, and the overall extrusion effect is better improved.
[0035] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.
Claims
1. A large-scale stacked plate pressure-holding hydraulic device, characterized in that: include, Fixed bracket (1); and, The compaction platform (2) is fixedly installed on the fixed support (1). The compaction platform (2) includes a bearing plate (20) and a hydraulic column (21). The bearing plate (20) is fixed on the fixed support (1), and the hydraulic column (21) is movably installed on the bearing plate (20). At the same time, several hydraulic columns (21) are evenly arranged on the bearing plate (20), so that the hydraulic column (21) can be adjusted and compressed according to the shape of the extruded stack.
2. The large-scale stacked plate pressure-holding hydraulic equipment according to claim 1, characterized in that, The fixed bracket (1) includes a lower support (10), a connecting rod (11) and an upper support (12). The two ends of the connecting rod (11) are fixedly connected to the lower support (10) and the upper support (12) respectively, thereby forming a four-sided open bearing platform for bearing the assembled fan-shaped stacked assembly.
3. A large-scale stacked plate pressure-holding hydraulic device according to claim 2, characterized in that, The bearing plate (20) is fixedly mounted on the upper support base (12). The surface of the bearing plate (20) is provided with sliding grooves (201) corresponding to the hydraulic column (21). Each hydraulic column (21) is provided with two sliding grooves (201).
4. A large-scale stacked plate pressure-holding hydraulic device according to claim 3, characterized in that, A limiting plate (210) is fixedly installed at one end of the hydraulic column (21) near the bearing plate (20). A sliding block (212) is provided at one end of the limiting plate (210) near the bearing plate (20) corresponding to the sliding groove (201). The sliding block (212) is slidably embedded in the sliding groove (201).
5. A large-scale stacked plate pressure-holding hydraulic device according to claim 1, characterized in that, Push rods (22) are fixedly installed at both ends of the bearing plate (20) along the width direction corresponding to the hydraulic columns (21), and each hydraulic column (21) is provided with two push rods (22) along the width direction of the bearing plate (20).
6. A large-scale stacked plate pressure-holding hydraulic device according to claim 2, characterized in that, The bottom of the upper support base (12) is provided with an adjustment groove (120) through which the hydraulic column (21) passes. A pressure rod (211) of the hydraulic column (21) passes through the adjustment groove (120). When the pressure rod (211) is working, it abuts against one end of the assembled stack.