Roller repair assisting device
By designing auxiliary equipment for roll maintenance, and utilizing hydraulic drive and supply devices, the roll bearings can be quickly and stably disassembled and assembled. This solves the problem of low disassembly and assembly efficiency of roll bearings in the existing technology, improves maintenance efficiency, and reduces production losses.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGSHAN 666 INTELLIGENT EQUIP CO LTD
- Filing Date
- 2025-05-14
- Publication Date
- 2026-06-02
Smart Images

Figure CN224309281U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of rolling mill repair equipment technology, and in particular to an auxiliary equipment for rolling mill repair. Background Technology
[0002] Rolls are the main working parts and tools on a rolling mill that cause continuous plastic deformation of metal. Rolls mainly consist of the roll body, roll diameter, and bearing head.
[0003] During roll maintenance, rolls typically need to be removed from the mill for inspection, maintenance, or replacement. This often involves removing the roll bearings. However, current maintenance methods lack convenient and efficient roll bearing disassembly and assembly equipment, which not only fails to improve maintenance efficiency but also significantly extends maintenance time, increasing production line downtime. Therefore, those skilled in the art urgently need to develop auxiliary equipment for roll maintenance to enable faster and more stable disassembly and assembly of roll bearings, thereby shortening maintenance time and reducing production losses. Utility Model Content
[0004] The main objective of this application is to provide an auxiliary device for roll maintenance, which aims to solve the aforementioned technical problems.
[0005] To achieve the above objectives, this application proposes an auxiliary device for roll maintenance, comprising:
[0006] Base;
[0007] A hydraulically driven rotating device is located in the middle of the base and is used to hold and drive the rollers to rotate.
[0008] A left hydraulic disassembly and assembly trolley is located on the left side of the base and can move left and right along the lateral direction of the base for disassembling and assembling the left bearing on the roll.
[0009] A right hydraulic disassembly and assembly trolley is located on the right side of the base and can move left and right along the lateral direction of the base for disassembling and assembling the right bearing on the roll.
[0010] A hydraulic oil supply device is provided on the base and is connected to the hydraulic drive rotating device, the left hydraulic disassembly trolley, and the right hydraulic disassembly trolley, for supplying hydraulic oil to the hydraulic drive rotating device, the left hydraulic disassembly trolley, and the right hydraulic disassembly trolley.
[0011] The roll maintenance auxiliary equipment described above further includes:
[0012] A left hydraulic drive unit is located inside the base on the left side, and its right end is connected to the left hydraulic disassembly and assembly trolley, which is used to drive the left hydraulic disassembly and assembly trolley to move left and right.
[0013] The right hydraulic drive unit is located inside the base on the right side, and its left end is connected to the right hydraulic disassembly and assembly trolley, which is used to drive the right hydraulic disassembly and assembly trolley to move left and right.
[0014] As described above, in the auxiliary equipment for roll maintenance, the left hydraulic disassembly and assembly trolley and the right hydraulic disassembly and assembly trolley are arranged symmetrically on the left and right sides;
[0015] The left hydraulic drive group and the right hydraulic drive group are arranged symmetrically on the left and right sides.
[0016] The left hydraulic disassembly and assembly trolley in the roll maintenance auxiliary equipment described above includes:
[0017] The vehicle body has its left side connected to the right end of the left hydraulic drive unit, and a wheel assembly is provided on its lower side;
[0018] A lifting platform is located on the upper side of the vehicle body;
[0019] A hydraulic lifting drive unit is located in the middle of the vehicle body along the vertical direction of the vehicle body, and its upper end is connected to the lower side of the lifting platform, for driving the lifting platform to move up and down.
[0020] There are multiple guide columns, which are distributed around the lifting drive group. The lower side of each guide column is slidably connected to the vehicle body, and the upper end of each guide column is connected to the lower side of the lifting platform.
[0021] A connecting plate is located on the upper side of the lifting platform;
[0022] A front disassembly assembly is located on the front side of the connecting plate;
[0023] The rear disassembly assembly is located on the rear side of the connecting plate and cooperates with the front disassembly assembly to disassemble and assemble the left bearing on the roller.
[0024] A front pad, which is located on the rear side of the front disassembly assembly;
[0025] The rear pad is located behind the front pad and in front of the rear disassembly assembly, and cooperates with the front pad to pad the left bearing on the roller.
[0026] As described above, in the auxiliary equipment for roll maintenance, the front disassembly and assembly group and the rear disassembly and assembly group are arranged symmetrically front to back;
[0027] The front pad and the rear pad are arranged symmetrically front to back.
[0028] As described above, the auxiliary equipment for roll maintenance includes a front disassembly assembly and a front disassembly rod. The front disassembly rod is arranged on the upper side of the front support along the longitudinal direction of the front support, and its rear end can be moved backward to the rear side of the front support for engaging with the right side of the left bearing on the roll.
[0029] The connecting plate in the roll maintenance auxiliary equipment described above includes:
[0030] A front connecting plate is slidably connected to the upper front side of the lifting platform;
[0031] The rear connecting plate is slidably connected to the upper rear side of the lifting platform;
[0032] The front pad is disposed on the upper side of the front connecting plate; the rear pad is disposed on the upper side of the rear connecting plate;
[0033] The left hydraulic disassembly and assembly trolley also includes:
[0034] A front hydraulic adjustment drive unit is located between the front connecting plate and the lifting platform, and is used to drive and adjust the specific position of the front connecting plate.
[0035] The rear hydraulic adjustment drive unit is located between the rear connecting plate and the lifting platform and is used to drive and adjust the specific position of the rear connecting plate.
[0036] The hydraulically driven rotating device in the roll maintenance auxiliary equipment described above includes:
[0037] Active wheel assembly;
[0038] The driven wheel assembly is located behind the driving wheel assembly;
[0039] A hydraulic drive motor is located on the front side of the drive wheel assembly;
[0040] A sprocket drive assembly is located between the drive wheel assembly and the hydraulic drive motor.
[0041] Compared with the prior art, the above application has the following advantages:
[0042] The auxiliary equipment for roll maintenance in this application supplies hydraulic oil to the hydraulically driven rotating device, the left hydraulic disassembly trolley, and the right hydraulic disassembly trolley via the supply device, thereby ensuring the stable operation of the entire equipment. Subsequently, the hydraulically driven rotating device, the left hydraulic disassembly trolley, and the right hydraulic disassembly trolley can cooperate to disassemble and assemble the bearings on the rolls. This allows for faster and more stable completion of the disassembly and assembly of the roll bearings, shortens maintenance time, reduces production losses, significantly reduces the labor intensity of maintenance personnel, and reduces the occurrence of maintenance accidents. Attached Figure Description
[0043] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0044] Figure 1 This is a perspective view of the auxiliary equipment for roll maintenance in this application.
[0045] Figure 2 This is a perspective view of the auxiliary equipment for roll maintenance in this application, after the base and the hydraulic oil supply device are hidden.
[0046] Figure 3 This is a front view of the auxiliary equipment for roll maintenance in this application, after the base and the hydraulic oil supply device are hidden.
[0047] Figure 4 This is a perspective view of the left hydraulic disassembly and assembly trolley described in the auxiliary equipment for roll maintenance in this application.
[0048] Figure 5 This is another perspective view of the left hydraulic disassembly and assembly trolley described in the auxiliary equipment for roll maintenance in this application.
[0049] Figure 6 This is a cross-sectional view of the left hydraulic disassembly and assembly trolley described in the auxiliary equipment for roll maintenance in this application.
[0050] Figure 7 This is a perspective view of the hydraulically driven rotating device described in the auxiliary equipment for roll maintenance of this application, installed on the base. Detailed Implementation
[0051] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.
[0052] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0053] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.
[0054] like Figures 1 to 7 As shown, a roll maintenance auxiliary device includes a base 1, a hydraulic drive rotation device 2, a left hydraulic disassembly and assembly trolley 3, a right hydraulic disassembly and assembly trolley 4, and a hydraulic oil supply and delivery device 5.
[0055] Specifically, the hydraulic drive rotating device 2 is located in the middle of the base 1 and is used to load and drive the roll 100 to rotate; the left hydraulic disassembly trolley 3 is located on the left side of the base 1 and can move left and right along the lateral direction of the base 1, and is used to disassemble and assemble the left bearing on the roll 100; the right hydraulic disassembly trolley 4 is located on the right side of the base 1 and can move left and right along the lateral direction of the base 1, and is used to disassemble and assemble the right bearing on the roll 100; the hydraulic oil supply device 5 is located on the base 1 and is connected to the hydraulic drive rotating device 2, the left hydraulic disassembly trolley 3, and the right hydraulic disassembly trolley 4, and is used to supply hydraulic oil to the hydraulic drive rotating device 2, the left hydraulic disassembly trolley 3, and the right hydraulic disassembly trolley 4.
[0056] The auxiliary equipment for roll maintenance in this application supplies hydraulic oil to the hydraulic drive rotating device 2, the left hydraulic disassembly trolley 3, and the right hydraulic disassembly trolley 4 through the supply device 5, thereby ensuring the stable operation of the entire equipment. Subsequently, the hydraulic drive rotating device 2, the left hydraulic disassembly trolley 3, and the right hydraulic disassembly trolley 4 can cooperate to disassemble and assemble the bearings on the roll 100. This allows for faster and more stable disassembly and assembly of the roll 100 bearings, shortens maintenance time, reduces production losses, significantly reduces the labor intensity of maintenance personnel, and reduces the occurrence of maintenance accidents.
[0057] Furthermore, the roll maintenance auxiliary equipment also includes a left hydraulic drive group 6 and a right hydraulic drive group 7;
[0058] The left hydraulic drive unit 6 is located inside the base 1 on the left side, and its right end is connected to the left hydraulic disassembly and assembly trolley 3, which is used to drive the left hydraulic disassembly and assembly trolley 3 to move left and right.
[0059] The right hydraulic drive unit 7 is located inside the base 1 on the right side, and its left end is connected to the right hydraulic disassembly and assembly trolley 4, which is used to drive the right hydraulic disassembly and assembly trolley 4 to move left and right.
[0060] The left hydraulic drive group 6 and the right hydraulic drive group 7 are symmetrically arranged, and both are hydraulic drive cylinders, which meet the requirements of hydraulic drive.
[0061] Furthermore, the left hydraulic disassembly trolley 3 and the right hydraulic disassembly trolley 4 are arranged symmetrically on the left and right sides;
[0062] The left hydraulic disassembly and assembly trolley 3 includes a trolley body 31, a lifting platform 32, a hydraulic lifting drive group 33, a guide column 34, a connecting plate 35, a front disassembly and assembly group 36, a rear disassembly and assembly group 37, a front pad block 38, and a rear pad block 39.
[0063] The left side of the vehicle body 31 is connected to the right end of the left hydraulic drive assembly 6, and a wheel assembly 311 is provided on its lower side; the lifting platform 32 is located on the upper side of the vehicle body 31; the hydraulic lifting drive assembly 33 is located in the middle of the vehicle body 31 along the vertical direction of the vehicle body 31, and its upper end is connected to the lower side of the lifting platform 32 for driving the lifting platform 32 to move up and down; there are multiple guide columns 34, which are distributed around the lifting drive assembly 33, and the lower side of each guide column 34 is slidably connected to the vehicle body 31. The upper end of 34 is connected to the lower side of the lifting platform 32; the connecting plate 35 is located on the upper side of the lifting platform 32; the front disassembly assembly 36 is located on the front side of the connecting plate 35; the rear disassembly assembly 37 is located on the rear side of the connecting plate 35 and cooperates with the front disassembly assembly 36 to disassemble and assemble the left bearing on the roller 100; the front pad 38 is located on the rear side of the front disassembly assembly 36; the rear pad 39 is located on the rear side of the front pad 38, on the front side of the rear disassembly assembly 37, and cooperates with the front pad 38 to pad the left bearing on the roller 100.
[0064] The front disassembly assembly 36 and the rear disassembly assembly 37 are arranged symmetrically front to back; the front pad 38 and the rear pad 39 are arranged symmetrically front to back.
[0065] The left hydraulic disassembly trolley 3 described in this application drives the lifting platform 32 and the linkage connecting plate 35 to move up and down via the hydraulic lifting drive group 33, so as to meet the adaptation requirements of the left bearing on the roll 100. During this process, the guide columns 34 distributed around the hydraulic lifting drive group 33 ensure the stable lifting and moving of the lifting platform 32, further improving the safety and accuracy of the operation. Subsequently, the rear disassembly group 37 and the front disassembly group 36 cooperate to engage the right side of the left bearing on the roll 100. That is, when the left hydraulic disassembly trolley 3 is driven to the left by the left hydraulic drive group 6, the disassembly of the left bearing on the roll 100 can be completed. Conversely, the left hydraulic disassembly trolley 3 can be driven to the right by the left hydraulic drive group 6, and with the cooperation of the hydraulic drive rotation device 2, the roll 100 is driven to rotate, completing the installation of the left bearing on the roll 100.
[0066] Furthermore, the front disassembly assembly 36 includes a front bracket 361 and a front disassembly rod 362. The front disassembly rod 362 is disposed on the upper side of the front bracket 361 along the longitudinal direction of the front bracket 361, and its rear end can be moved backward to the rear side of the front bracket 361 for engaging with the right side of the left bearing on the roll 100.
[0067] Furthermore, the connecting plate 35 includes a front connecting plate 351 and a rear connecting plate 352; the front connecting plate 351 is slidably connected to the upper front side of the lifting platform 32; the rear connecting plate 352 is slidably connected to the upper rear side of the lifting platform 32.
[0068] The front disassembly assembly 36 and the front pad 38 are located on the upper side of the front connecting plate 351; the rear disassembly assembly 37 and the rear pad 39 are located on the upper side of the rear connecting plate 352;
[0069] The left hydraulic disassembly and assembly trolley 3 also includes a front hydraulic adjustment drive group 301 and a rear hydraulic adjustment drive group 302; the front hydraulic adjustment drive group 301 is located between the front connecting plate 351 and the lifting platform 32, and is used to drive and adjust the specific position of the front connecting plate 351; the rear hydraulic adjustment drive group 302 is located between the rear connecting plate 352 and the lifting platform 32, and is used to drive and adjust the specific position of the rear connecting plate 352.
[0070] This application can drive the front connecting plate 351 to move the front disassembly assembly 36 back and forth via the front hydraulic adjustment drive group 301, and drive the rear connecting plate 352 to move the rear disassembly assembly 37 back and forth via the rear hydraulic adjustment drive group 302, thereby satisfying the disassembly and assembly work of roll 100 bearings of different sizes and specifications, and further improving the flexibility and applicability of this application.
[0071] Furthermore, the hydraulically driven rotating device 2 includes a drive wheel assembly 21, a driven wheel assembly 22, a hydraulic drive motor 23, and a sprocket transmission assembly 24;
[0072] The driven wheel assembly 22 is located behind the driving wheel assembly 21; the hydraulic drive motor 23 is located in front of the driving wheel assembly 21; and the sprocket drive assembly 24 is located between the driving wheel assembly 21 and the hydraulic drive motor 23. Its purpose is to drive the rotation of the roll 100, thereby ensuring that the left hydraulic disassembly trolley 3 and the right hydraulic disassembly trolley 4 can smoothly and efficiently complete the disassembly and assembly of the roll 100 bearings through the coordinated operation of the hydraulic drive rotation device 2.
[0073] The above description is one implementation method provided in conjunction with specific content, and does not imply that the specific implementation of this application is limited to these descriptions. Any methods or structures that are similar to or identical to those of this application, or any technical deductions or substitutions made based on the concept of this application, should be considered within the scope of protection of this application.
Claims
1. A roll repair aid comprising a base (1), characterised in that, Also include: Hydraulic drive rotating device (2), which is provided in the middle of the base (1), for loading and driving roll rotation; Left hydraulic disassembly trolley (3), which is provided on the left side of the base (1), and can move left and right along the transverse direction of the base (1), for disassembling the left bearing on the roll; Right hydraulic disassembly trolley (4), which is provided on the right side of the base (1), and can move left and right along the transverse direction of the base (1), for disassembling the right bearing on the roll; Hydraulic oil supply device (5), which is provided on the base (1), and is connected with the hydraulic drive rotating device (2) and the left hydraulic disassembly trolley (3), the right hydraulic disassembly trolley (4), for supplying hydraulic oil to the hydraulic drive rotating device (2) and the left hydraulic disassembly trolley (3), the right hydraulic disassembly trolley (4).
2. The roll repair aid of claim 1, wherein, The roll maintenance auxiliary equipment also includes: Left hydraulic drive group (6), which is provided on the left side of the base (1), and its right end is connected with the left hydraulic disassembly trolley (3), for driving the left hydraulic disassembly trolley (3) to move left and right; Right hydraulic drive group (7), which is provided on the right side of the base (1), and its left end is connected with the right hydraulic disassembly trolley (4), for driving the right hydraulic disassembly trolley (4) to move left and right.
3. The roll repair aid of claim 2, wherein, The left hydraulic disassembly trolley (3) and the right hydraulic disassembly trolley (4) are arranged symmetrically left and right; The left hydraulic drive group (6) and the right hydraulic drive group (7) are arranged symmetrically left and right.
4. The roll repair aid of claim 3, wherein, The left hydraulic disassembly trolley (3) includes: Trolley body (31), which is connected with the right end of the left hydraulic drive group (6) on the left side, and is provided with a wheel group (311) on the lower side; Lifting platform (32), which is provided on the upper side of the trolley body (31); Hydraulic lifting drive group (33), which is provided in the middle of the trolley body (31) along the vertical direction of the trolley body (31), and is connected with the lower side of the lifting platform (32) on the upper end, for driving the lifting platform (32) to move up and down; Guide column (34), which has multiple, is provided on the side of the lifting drive group (33), each guide column (34) is slidingly connected with the trolley body (31) on the lower side, and each guide column (34) is connected with the lower side of the lifting platform (32) on the upper end; Connecting plate (35), which is provided on the upper side of the lifting platform (32); Front disassembly group (36), which is provided on the front side of the connecting plate (35); Rear disassembly group (37), which is provided on the rear side of the connecting plate (35), and cooperates with the front disassembly group (36) to disassemble the left bearing on the roll; Front pad (38), which is provided on the rear side of the front disassembly group (36); Rear pad (39), which is provided on the rear side of the front pad (38), located on the front side of the rear disassembly group (37), and cooperates with the front pad (38) to pad the left bearing on the roll.
5. The roll repair aid of claim 4, wherein, The front disassembly group (36) and the rear disassembly group (37) are arranged symmetrically front and rear; The front pad (38) and the rear pad (39) are arranged symmetrically front and rear.
6. The roll repair aid of claim 5, wherein, The front dismounting group (36) comprises a front support (361) and a front dismounting rod (362), the front dismounting rod (362) is arranged on the upper side of the front support (361) along the longitudinal direction of the front support (361), and the rear end of the front dismounting rod (362) can be moved to the rear side of the front support (361) rearward, and is used for clamping the right side of the left side bearing on the roll.
7. The roll repair aid of claim 6, wherein, The connecting plate (35) comprises: a front connecting plate (351) which is slidingly connected to the front upper side of the lifting platform (32); a rear connecting plate (352) which is slidingly connected to the rear upper side of the lifting platform (32); The front pad (38) is arranged on the upper side of the front connecting plate (351), and the rear pad (39) is arranged on the upper side of the rear connecting plate (352); The left hydraulic dismounting trolley (3) further comprises: a front hydraulic adjustment driving group (301) which is arranged between the front connecting plate (351) and the lifting platform (32) and is used for driving and adjusting the specific position of the front connecting plate (351); a rear hydraulic adjustment driving group (302) which is arranged between the rear connecting plate (352) and the lifting platform (32) and is used for driving and adjusting the specific position of the rear connecting plate (352).
8. The roll repair assist apparatus of claim 1, wherein, The hydraulic drive rotating device (2) comprises: a driving wheel group (21); a driven wheel group (22) which is arranged on the rear side of the driving wheel group (21); a hydraulic drive motor (23) which is arranged on the front side of the driving wheel group (21); a chain wheel transmission group (24) which is arranged between the driving wheel group (21) and the hydraulic drive motor (23).