Quick dismounting device for conical roller sleeve

By using the support mechanism, the claw mechanism and the oil circuit distributor in combination, the conical roller sleeve can be removed efficiently, which solves the problem of time-consuming and labor-intensive removal of the conical roller sleeve in the Loesche vertical mill, and improves production efficiency and equipment maintenance efficiency.

CN223656937UActive Publication Date: 2025-12-12GUANGXI JINCHUAN NONFERROUS METAIS CO LTD
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Patent Information

Application Number
CN202423057475.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-12-12
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Removing the conical roller sleeve from the Loesche vertical mill is time-consuming and labor-intensive, affecting production efficiency and equipment maintenance efficiency.

Method used

Design a rapid removal device that includes a support mechanism, a claw mechanism, and an oil circuit distributor. Utilize a crane and a hydraulic system to work together to achieve efficient removal of the tapered roller sleeve.

Benefits of technology

Significantly reduce operation time and manpower requirements, improve demolition efficiency, ensure operational safety and equipment versatility, and simplify maintenance processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick dismounting device for a conical roller sleeve. The quick dismounting device comprises a supporting mechanism and a clamping jaw mechanism, a lifting lug is arranged at the top of the supporting mechanism, an oil way distributor and a jacking sleeve oil cylinder are fixedly installed at the bottom of the supporting mechanism, and a piston cylinder of the jacking sleeve oil cylinder can stretch out and draw back. And the oil way distributor is communicated with the top sleeve oil cylinder through an arranged oil way pipe. The supporting mechanism, the clamping jaw mechanism, the oil way distributor and the jacking sleeve oil cylinder are used in cooperation, the efficient and labor-saving automatic dismantling process is achieved, the operation time is greatly shortened, the manpower requirement is greatly reduced, and follow-up hoisting can be facilitated; the operation safety is ensured by adopting a crane hoisting and hydraulic driving mode, the risk of equipment damage caused by improper operation is reduced, the overall structure is compact and flexible in design, the device is suitable for conical roller sleeves of different sizes and specifications, the universality and adaptability of the device in practical application are enhanced, and the device is suitable for popularization and application. And meanwhile, the daily maintenance process is simplified.
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Description

TECHNICAL FIELD

[0001] The utility model relates to leque vertical mill conical roller sleeve technical field, concretely relates to a conical roller sleeve quick dismantling device. BACKGROUND

[0002] In smelting production, leque vertical mill as high -efficient grinding equipment, can significantly improve the efficiency and economy of raw material preparation link. Fine grinding of ore, coal and other materials is the basis for the smooth progress of subsequent smelting process, not only reduces energy consumption, also reduces production cost, and because its compact design reduces the floor area, and simplifies the maintenance process, its sealing design effectively controls dust emission, meets modern environmental protection requirement, in addition, it can flexibly adjust production parameters, adapts to the demand of different smelting process, ensures product quality stability, thereby promotes the technical progress and sustainable development of smelting industry as a whole.

[0003] Leque vertical mill is the main equipment of grinding and drying of metallurgical materials, and enterprises use it as the main production process equipment, the running state of leque vertical mill directly restricts the normal production rate of the whole enterprise, and the speed of leque vertical mill overhaul plays a crucial role in the production organization of the whole production system, in the overhaul link of leque vertical mill conical roller sleeve dismantling, because the roller sleeve size is big, and tonnage is heavy, therefore, it is very time-consuming and laborious to dismantle the conical roller sleeve, so it is necessary to design a dismantling device to improve the dismantling efficiency of the conical roller sleeve in this link. SUMMARY

[0004] In view of the above-mentioned leque vertical mill conical roller sleeve dismantling time-consuming and laborious, the utility model provides a conical roller sleeve quick dismantling device with simple structure, efficient and efficient.

[0005] To achieve the above object, the technical scheme of the utility model is as follows:

[0006] A kind of conical roller sleeve quick dismantling device, including support mechanism and jaw mechanism;The support mechanism top is equipped with lug, bottom fixed mounting has oil distribution and top sleeve oil cylinder, wherein the piston cylinder of top sleeve oil cylinder can be telescopic;The oil distribution is communicated with top sleeve oil cylinder by the oil passage pipe of being equipped with.

[0007] Further, the support mechanism comprises a support frame, a support frame reinforcing beam and a top sleeve oil cylinder bottom plate, the support frame is composed of six connecting rods which are evenly distributed in a ring shape, one end of which is fixedly connected together, and the other end extends outward, the connecting rod end is further provided with a support beam, and a support frame reinforcing beam is further installed between every two connecting rods; the top of the top sleeve oil cylinder bottom plate is connected with the support frame, and the side surface is further fixedly connected with the support beam, and the bottom of the top sleeve oil cylinder bottom plate is connected with the top sleeve oil cylinder; the claw mechanism is rotatably installed on the support beam. The support mechanism composed of the support frame, the support frame reinforcing beam and the top sleeve oil cylinder bottom plate constructs a stable and reliable structure frame with strong bearing capacity, which can not only withstand large external force impact and ensure the balance and stability in the lifting process, but also further enhance the overall rigidity and bearing capacity through the reinforcing beam to avoid deformation or damage under heavy load conditions; the design of the top sleeve oil cylinder bottom plate optimizes the stress distribution, uniformly disperses the thrust of the oil cylinder during work to the entire support frame, prevents local stress concentration, improves the durability of the system, and the claw mechanism is rotatably installed on the support beam to realize flexible position adjustment and ensure accurate hooking of the conical roller sleeve, and facilitates disassembly and maintenance.

[0008] Further, the support beam center is provided with an oil way distributor fixing bolt hole, and the oil way distributor is fixedly connected with the support beam through bolts.

[0009] Further, the top sleeve oil cylinder is fixedly connected with the top sleeve oil cylinder bottom plate through bolts; and the lifting lug is welded on the support frame reinforcing beam. The bolt connection can facilitate disassembly, replacement or maintenance of the top sleeve oil cylinder, and can effectively reduce the maintenance cost, and the lifting lug is connected with the support frame reinforcing beam in a welding manner, which is stable and reliable in structure.

[0010] Further, the claw mechanism comprises a conical roller sleeve claw, a claw reinforcing plate and a claw connecting pin, wherein the top of the conical roller sleeve claw is rotatably connected with the support beam through the connecting pin, and the outer side of the conical roller sleeve claw is fixedly connected with the claw reinforcing plate. The top of the conical roller sleeve claw is rotatably connected with the support beam through the connecting pin, so that the claw can be flexibly adjusted in angle according to the actual working condition, and the lower surface of the conical roller sleeve is accurately hooked, the claw reinforcing plate enhances the overall rigidity and stability of the claw structure, prevents deformation or fracture when bearing heavy load or external force, and ensures the safety of the disassembly process, the structure design not only facilitates installation and disassembly, but also simplifies the maintenance process and improves the work efficiency.

[0011] Further, the oil path distributor side wall is provided with an oil inlet pipe joint and an oil return pipe joint. The oil inlet pipe joint and the oil return pipe joint are connected with an oil outlet and an oil return of a factory pump station respectively, and the oil inlet and outlet are controlled by the pump station when needed, and then the oil path distributor distributes oil to each top sleeve oil cylinder to control the piston to extend or retract, thereby completing the disassembly of the conical roller set. By providing the oil inlet pipe joint and the oil return pipe joint on the oil path distributor side wall and connecting them with the oil outlet and the oil return of the factory pump station, the accurate control of oil inlet and outlet is realized, the management of the hydraulic system is simplified, and the operation precision is improved. The operator can remotely control the flow direction and pressure of the oil through the pump station, and then accurately control the piston of each top sleeve oil cylinder to extend or retract, thereby ensuring the safety and efficiency of the conical roller set disassembly process. The design not only reduces the complexity of the hydraulic pipeline, facilitates management and maintenance, and reduces the failure rate, but also enhances the flexibility and response speed of the system, so that the operator can quickly adjust the oil supply according to the actual situation and flexibly cope with the needs of different working conditions.

[0012] The use method of the utility model discloses:

[0013] In use, the crane hooks the lifting lug of the disassembly device, hoists the disassembly device to the conical roller set of the vertical mill conical roller set assembly to be disassembled, and then the crane controls the disassembly device to slowly descend. During the descending process, the claw mechanism slides downward along the outer periphery of the conical roller set by using its own gravity, and hooks the lower surface of the conical roller set. This process completes the matching connection of the disassembly device and the conical roller set. After the disassembly device and the conical roller set, when the conical roller set is disassembled, the oil path distributor is connected with the hydraulic station of the factory. The hydraulic station delivers oil to the oil path distributor, and then the oil path pipe of the oil path distributor distributes oil to the top sleeve oil cylinder. The piston cylinder of the top sleeve oil cylinder extends and tightly contacts the top of the vertical mill conical roller set assembly. Then the piston cylinder of the top sleeve oil cylinder continues to extend, pushes the assembly of the vertical mill conical roller set downward, and at the same time, the conical roller set claw is extruded. The conical roller set is disengaged from the vertical mill conical roller set assembly, and the disassembly of the conical roller set is completed. After the conical roller set is disassembled, the crane hoists it to an open space through the device lifting lug.

[0014] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0015] 1.The utility model discloses a supporting mechanism, a clamping jaw mechanism, an oil path distributor and a top sleeve oil cylinder are used in cooperation, realize the high -efficient, laborsaving automatic dismantling process, reduce the operation time and manpower demand greatly, and can be convenient subsequent hoisting, adopt the hoist hoisting and the hydraulic drive mode to ensure the safety of operation, and reduce the risk of equipment damage due to improper operation, the compact and flexible design of overall structure makes the device applicable to different size specifications of conical roller sleeve, enhances its versatility and adaptability in practical application, and also simplifies the daily maintenance process.

[0016] 2.The support mechanism formed by the supporting frame, the supporting frame reinforcing beam and the top sleeve oil cylinder bottom plate constructs a stable and reliable structure frame with strong bearing capacity, not only can withstand greater external force impact, ensure the balance and stability in the hoisting process, and further enhance the overall rigidity and bearing capacity through the reinforcing beam, avoid deformation or damage under heavy load conditions, through setting the oil inlet pipe joint and the oil return pipe joint on the side wall of the oil path distributor, and connecting with the oil outlet and the oil return of the factory pump station, realize the accurate control of oil in and out, simplify the hydraulic system management at the same time improve the operation precision. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic diagram of a conical roller sleeve quick dismantling device.

[0018] Figure 2 It is a whole structure schematic diagram of a conical roller sleeve quick dismantling device from the perspective of the bottom view.

[0019] Figure 3 It is a structure schematic diagram of a conical roller sleeve quick dismantling device in use.

[0020] The drawings show that 1 is a supporting frame, 2 is a supporting frame reinforcing beam, 3 is a conical sleeve clamping jaw, 4 is a clamping jaw reinforcing plate, 5 is a clamping jaw connecting pin shaft, 6 is a device lifting lug, 7 is a top sleeve oil cylinder, 8 is a top sleeve oil cylinder bottom plate, 9 is an oil path distributor, 10 is an oil path pipe, 11 is an oil inlet pipe joint, 12 is an oil return pipe joint, 13 is a conical roller sleeve, and 14 is a vertical mill. DETAILED DESCRIPTION

[0021] The utility model will be further described in connection with the drawings.

[0022] Embodiment 1: a conical roller sleeve quick dismantling device, including supporting mechanism and clamping jaw mechanism, the supporting mechanism top is equipped with the lifting lug 6, and the bottom fixed mounting has the oil path distributor 9 and the top sleeve oil cylinder 7, wherein the piston cylinder of top sleeve oil cylinder 7 can be telescopic, the oil path distributor 9 is communicated with top sleeve oil cylinder 7 through the oil path pipe 10 of being equipped with.

[0023] In use, the crane hooks the lifting lug 6 of the dismounting device, and hoists the dismounting device to the top of the conical roller sleeve 13 of the conical roller sleeve assembly 14 of the vertical mill to be dismounted, and then the crane controls the dismounting device to slowly descend, during which the claw mechanism slides downward along the outer periphery of the conical roller sleeve 13 by its own gravity and hooks the lower surface of the conical roller sleeve 13, thus completing the connection of the dismounting device with the conical roller sleeve 13; after the dismounting device is connected with the conical roller sleeve 13, the oil distribution device 9 is connected with the hydraulic station of the factory when the conical roller sleeve 13 is dismounted, the hydraulic station delivers oil to the oil distribution device 9, and then the oil distribution device 9 distributes the oil to the oil cylinder 7 through the oil pipe 10, the piston cylinder of the oil cylinder 7 extends to tightly contact the top of the conical roller sleeve assembly 14 of the vertical mill, and then the piston cylinder of the oil cylinder 7 continues to extend to push the conical roller sleeve assembly of the vertical mill downward, while the conical roller sleeve claw 3 is extruded to pull up the conical roller sleeve 13 of the vertical mill, and at the same time, the conical roller sleeve assembly 14 of the vertical mill is pushed downward, so that the conical roller sleeve 13 is separated from the conical roller sleeve assembly 14 of the vertical mill, and the dismounting of the conical roller sleeve 13 is completed; after the conical roller sleeve 13 is dismounted, the crane hoists it to an open space through the lifting lug 6.

[0024] In example 2, the differences from example 1 are that the support mechanism comprises a support frame 1, a support frame reinforcing beam 2 and a top sleeve oil cylinder bottom plate 8, the support frame 1 is composed of six connecting rods which are evenly distributed in a ring shape, one end of each connecting rod is fixedly connected together, the other end extends outward, a support beam is arranged at the end of each connecting rod, and a support frame reinforcing beam 2 is arranged between every two connecting rods; the top sleeve oil cylinder bottom plate 8 is connected with the support frame 1 at the top, and is fixedly connected with the support beam at the side, and the bottom of the top sleeve oil cylinder bottom plate 8 is connected with the top sleeve oil cylinder 7; the claw mechanism is rotatably arranged on the support beam. The support mechanism composed of the support frame 1, the support frame reinforcing beam 2 and the top sleeve oil cylinder bottom plate 8 forms a stable and reliable structure frame with strong bearing capacity, which can not only withstand large external force impact and ensure the balance and stability during hoisting, but also further enhance the overall rigidity and bearing capacity through the reinforcing beam to avoid deformation or damage under heavy load conditions; the design of the top sleeve oil cylinder bottom plate 8 optimizes the stress distribution, uniformly disperses the thrust of the oil cylinder during work to the entire support frame, prevents local stress concentration, improves the durability of the system, and the claw mechanism is rotatably arranged on the support beam to realize flexible position adjustment and ensure accurate hooking of the conical roller sleeve 13, and facilitate dismounting and maintenance.

[0025] Further, the claw mechanism comprises a conical roller sleeve claw 3, a claw reinforcing plate 4 and a claw connecting pin 5, wherein the top of the conical roller sleeve claw 3 is rotatably connected with the support beam through the connecting pin, and the outer side of the conical roller sleeve claw 3 is fixedly connected with the claw reinforcing plate 4. The top of the conical roller sleeve claw 3 is rotatably connected with the support beam through the connecting pin, so that the claw can be flexibly adjusted in angle according to the actual working condition, the lower surface of the conical roller sleeve 13 is accurately hooked, the claw reinforcing plate 4 enhances the overall rigidity and stability of the claw structure, prevents deformation or fracture when heavy load or external force is borne, and ensures the safety of the dismounting process. The structure design is not only convenient for installation and dismounting, but also simplifies the maintenance process and improves the working efficiency.

[0026] Embodiment 3: Different from embodiment 2, the support beam 1 is provided with an oil distribution device 9 fixed bolt hole at the center, and the oil distribution device 9 is fixedly connected with the support beam 1 through bolts.

[0027] The top sleeve oil cylinder 7 is fixedly connected with the top sleeve oil cylinder bottom plate 8 through bolts; and the lifting lug 6 is welded on the support frame reinforcing beam 2. The bolt connection can facilitate dismounting, replacement or maintenance of the top sleeve oil cylinder 7, and can effectively reduce the maintenance cost. The lifting lug 6 is connected with the support frame reinforcing beam 2 in a welding mode, and the structure is stable and reliable.

[0028] The oil distribution device 9 is provided with an oil inlet pipe joint 11 and an oil return pipe joint 12 on the side wall. The oil inlet pipe joint 11 and the oil return pipe joint 12 are connected with the oil outlet and the oil return of the factory pump station respectively, and the oil inlet and outlet are controlled by the pump station when needed. Then the oil distribution device 9 distributes the oil to each top sleeve oil cylinder 7, controls the piston to extend or retract, and completes the dismounting of the conical roller sleeve 13. Through the arrangement of the oil inlet pipe joint 11 and the oil return pipe joint 12 on the side wall of the oil distribution device 9 and the connection with the oil outlet and the oil return of the factory pump station, the accurate control of the oil inlet and outlet is realized, the hydraulic system management is simplified, and the operation accuracy is improved. The operator can remotely control the flow direction and pressure of the oil through the pump station, and then accurately control the piston of each top sleeve oil cylinder 7 to extend or retract, so as to ensure the safety and efficiency of the dismounting process of the conical roller sleeve 13. The design not only reduces the complexity of the hydraulic pipeline, facilitates management and maintenance, reduces the failure rate, but also enhances the flexibility and response speed of the system, so that the operator can quickly adjust the oil supply according to the actual situation and flexibly cope with the needs of different working conditions.

[0029] In the specification of the utility model, a large number of specific details are explained. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail, so as not to obscure the understanding of the specification.

[0030] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A cone pulley quick release device characterized by: Including support mechanism and claw mechanism;The support mechanism top is equipped with lifting lug (6), and bottom fixed mounting has oil line distributor (9) and top cover oil cylinder (7), wherein the piston cylinder of top cover oil cylinder (7) can be telescopic;The oil line distributor (9) is communicated with top cover oil cylinder (7) by the oil line pipe (10) of being equipped with.

2. A quick removal device for a conical roller shell as claimed in claim 1, characterized in that: The support mechanism includes support frame (1), support frame reinforcing beam (2) and top cover oil cylinder bottom plate (8), the support frame (1) is composed of six connecting rods, six connecting rods are evenly distributed in annular, one end is fixedly connected together, the other end extends outward, the connecting rod end is further provided with support beam, and one support frame reinforcing beam (2) is further installed between two connecting rods;The top cover oil cylinder bottom plate (8) is connected with support frame (1) at top, and is further fixedly connected with support beam at side, and the top cover oil cylinder bottom plate (8) is connected with top cover oil cylinder (7) at bottom;The claw mechanism is rotatably installed on the support beam.

3. A quick removal device for a conical roller shell as claimed in claim 2, characterized in that: The support frame (1) is provided with oil line distributor (9) fixing bolt hole at the center, and the oil line distributor (9) is fixedly connected with support frame (1) by bolt.

4. A quick removal device for a conical roller shell as set forth in claim 2, characterized in that: The top cover oil cylinder (7) is fixedly connected with top cover oil cylinder bottom plate (8) by bolt;The lifting lug (6) is welded on support frame reinforcing beam (2).

5. A quick removal device for a conical roller shell as claimed in any one of claims 1 to 4, characterized in that: The claw mechanism includes conical roller sleeve claw (3), claw reinforcing plate (4) and claw connecting pin (5), wherein the top of conical roller sleeve claw (3) is rotatably connected with support beam through connecting pin, and the outside of conical roller sleeve claw (3) is fixedly connected with claw reinforcing plate (4).

6. A quick removal device for a conical roller shell as claimed in any one of claims 1 to 4, characterized in that: The oil line distributor (9) side wall is provided with oil inlet pipe joint (11) and oil return pipe joint (12).