Special tool for disassembling tooth roller of tooth roller type crusher
By designing special tooling for tooth roller disassembly, and using wedge blocks and fixtures to remove the tooth roller sleeve without air cutting, the problems of difficulty in disassemblying and safety hazards in the prior art are solved, and an efficient and safe tooth roller replacement process is achieved.
Patent Information
- Application Number
- CN202420882545.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The existing tooth roller crushers require air cutting when disassembling the tooth roller, which leads to high disassembly difficulty and high safety hazards, and are prone to splashing the roller sleeve, affecting the replacement efficiency.
A special tool for disassembly of tooth rollers is designed. The roller sleeve is fixed on the roller core by using wedges and fixing devices. The air-free cutting is realized through the cooperation of bolts and jacks. The roller sleeve is taken out by lifting to improve the disassembly efficiency.
The disassembly process of tooth rollers is greatly simplified, the safety hazards of air cutting are avoided, the disassembly efficiency and convenience are improved, and the operation difficulty is reduced.
Smart Images
Figure CN222358553U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crusher disassembly, in particular to a special tool for disassembling a tooth roller of a tooth roller type crusher. Background Art
[0002] The toothed roller crusher is mainly used for crushing sticky materials, and can also be used to crush silty sandstone, shale, frozen soil and other similar materials with low compressive strength. As a crushing equipment for auxiliary raw materials in cement plants, this machine has a simpler process layout and reliable equipment performance compared to other equipment. It is the preferred model for crushing sticky and similar materials. The roller sleeve is an important part of the toothed roller crusher. Due to the wear of the guide roller sleeve over a long period of time, it is one of the commonly used vulnerable parts. It needs to be replaced when it is worn to a certain extent during daily inspections.
[0003] In the prior art, the long-term use of the crusher causes serious wear of the crusher's tooth roller, so the crusher's tooth roller needs to be replaced. At present, when replacing the crusher's tooth roller, gas cutting is generally used to cut and disassemble the roller sleeve until the roller sleeve is removed from the roller core after gas cutting, and finally the roller sleeve after gas cutting is disassembled. The entire disassembly is difficult. Since the roller sleeve is thick and difficult to cut, gas cutting splashes, etc., it is easy to cause safety accidents. Therefore, the present application provides a special tool for disassembling the tooth roller of a tooth roller type crusher to solve the above problems. Utility Model Content
[0004] In order to solve the above technical problems, the utility model uses wedge blocks on both sides to abut and fix the roller sleeve, so that the roller sleeve can be taken out after the wedge blocks are disassembled. The specific technical solution is as follows:
[0005] A special tool for disassembling the toothed roller of a toothed roller crusher is used to detachably install the roller sleeve on the roller core, including a wedge block, wherein the wedge block includes a second wedge block fixedly installed on the roller core and a first wedge block slidably installed on the roller core, and the roller sleeve is extruded and installed on the outside of the first wedge block and the second wedge block; a fixing device is used to detachably fix the first wedge block and the second wedge block.
[0006] Preferably, the fixing device is one of a bolt, a shaft, a rod or a pin.
[0007] Preferably, a material taking device is provided at one end of the roller sleeve, and the material taking device is used to take out the first wedge-shaped block from the end of the roller sleeve.
[0008] Preferably, the material taking device comprises a jack arranged at the first wedge-shaped block, and the output shaft of the jack is fixed to the first wedge-shaped block.
[0009] Preferably, the material picking device includes a mounting frame fixedly mounted on the outside of the first wedge block, a jack is fixedly mounted on the mounting frame, a fulcrum frame which is in contact with the output shaft of the jack passes through the middle of the mounting frame, and both ends of the fulcrum frame are respectively located at the end edges of the roller sleeve and the roller core.
[0010] It can be seen from the above technical solutions that the utility model has the following beneficial effects:
[0011] The first wedge block and the second wedge block press the inclined surface of the inner wall of the roller sleeve tightly together, and the first wedge block and the second wedge block are fixed by bolts, so that the roller sleeve is fixed on the roller core. When disassembling, it is only necessary to unscrew the nut at the end of the bolt between the first wedge block and the second wedge block, take out the bolt, and then pull the first wedge block outward from the end of the roller sleeve to ensure that the top of the roller sleeve is open, and the inclined surface of the second wedge block is limited against the bottom end of the roller sleeve, so that the roller sleeve can be taken out from the direction of the first wedge block by hoisting, avoiding the use of gas cutting disassembly, which greatly improves the efficiency of disassembly.
[0012] A jack is used to apply pressure to the fulcrum frame, which serves as a fulcrum. The mounting frame pulls the hanging ear to pull the first wedge block outward from the end of the roller sleeve. After the first wedge block is taken out, the fulcrum frame and the mounting frame are disassembled. Finally, the roller sleeve is taken out from the original direction of the first wedge block by hoisting. The detachable jack pulls out the first wedge block, which improves the convenience of pulling out the first wedge block. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a top view of the partial structure of the utility model;
[0014] Figure 2 This is a partial cross-sectional structural diagram of the utility model from the front.
[0015] In the figure: 1, hanging ear; 2, fixing device; 3, first wedge block; 4, fulcrum frame; 5, mounting frame; 6, roller sleeve; 7, roller core; 8, second wedge block; 9, jack. DETAILED DESCRIPTION
[0016] The following is a detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments. Before describing in detail the technical solutions of each embodiment of the present invention, the nouns and terms involved are explained. In this specification, components with the same name or the same number represent similar or identical structures and are only for illustrative purposes.
[0017] like Figure 1 and Figure 2As shown, a special tool for disassembling the toothed roller of a toothed roller crusher is used to detachably install the roller sleeve 6 on the roller core 7. The wedge block includes a second wedge block 8 fixedly installed on the roller core 7 and a first wedge block 3 slidably installed on the roller core 7. The roller sleeve 6 is extruded and installed on the outside of the first wedge block 3 and the second wedge block 8; the fixing device 2 is used to detachably fix the first wedge block 3 and the second wedge block 8.
[0018] The fixing device 2 is one of bolts, shafts, rods or pins. The outward inclined surface of the wedge block and the inner wall of the roller sleeve 6 are pressed against each other, so that the end of the roller sleeve 6 is pressed and fixed by the wedge block. Since one side of the wedge block is fixedly connected to the outside of the roller core 7, the other side of the wedge block can move along the axis of the roller core 7, and the two wedge blocks are fixed to each other by bolts, shafts, rods or pins. Bolts are preferably used to facilitate the removal of the bolts from between the two wedge blocks by twisting, thereby improving the efficiency of disassembly.
[0019] As an implementation method in this embodiment, a second wedge block 8 is fixedly installed on the outside of the roller core 7, and a first wedge block 3 is slidably provided on the end of the roller core 7 away from the second wedge block 8, and the roller sleeve 6 abuts against the first wedge block 3 and the second wedge block 8, wherein the first wedge block 3 and the second wedge block 8 are both annular, thereby improving the stability of the support at both ends of the roller sleeve 6, and the first wedge block 3 and the second wedge block 8 are clamped and positioned in an inclined manner on the inclined surface of the inner wall of the roller sleeve 6. In order to avoid relative movement between the first wedge block 3 and the second wedge block 8, which causes the roller sleeve 6 to loosen and fall off, bolts are passed through the first wedge block 3 and the second wedge block 8, and the ends of the bolts are tightened with nuts. At the same time, the first wedge block 3 and the second wedge block 8 abut against the inclined surface of the inner wall of the roller sleeve 6, thereby limiting the position between the first wedge block 3 and the second wedge block 8.
[0020] As an implementation method in this embodiment, a material taking device is provided at one end of the roller sleeve 6, and the material taking device is used to take out the first wedge block 3 from the end of the roller sleeve 6, thereby improving the convenience of disassembling the first wedge block 3.
[0021] As the first embodiment of the present application:
[0022] The material taking device includes a jack 9 arranged at the first wedge block 3, and the output shaft of the jack 9 is fixed to the first wedge block 3, wherein the jack 9 can be fixed to an external frame, and the bolts are removed from between the first wedge block 3 and the second wedge block 8. Secondly, the oil pressure in the jack 9 drives the piston rod to contract, and the piston rod drives the first wedge block 3 to be pulled out from the end of the roller sleeve 6. At this time, the roller sleeve 6 can be hoisted from the direction of the first wedge block 3.
[0023] As the second embodiment of this application:
[0024] The material taking device includes a mounting frame 5 fixedly mounted on the outside of the first wedge block 3, a jack 9 is fixedly mounted on the mounting frame 5, a fulcrum frame 4 that contacts the output shaft of the jack 9 runs through the middle of the mounting frame 5, and the two ends of the fulcrum frame 4 are respectively located at the end edges of the roller sleeve 6 and the roller core 7, and a hanging ear 1 fixed to the two ends of the mounting frame 5 is fixedly mounted on the outside of the first wedge block 3, wherein the hanging ear 1 is fixed to the first wedge block 3 by welding, and the two ends of the mounting frame 5 can be inserted into the hanging ear 1 by a pin shaft, so as to facilitate the subsequent removal of the end of the mounting frame 5 from the hanging ear 1, and the mounting frame 5 and the jack 9 are preferably welded together to prevent the jack 9 from being easily offset during movement. The fulcrum frame 4 is located in the middle of the mounting frame 5 and directly below the output shaft of the jack 9. When the oil pressure in the jack 9 drives the piston rod to extend, the piston rod squeezes the fulcrum frame 4, so that the jack 9 acts on the fulcrum frame 4, and the two ends of the fulcrum frame 4 are against the end of the roller sleeve 6 and the step of the roller core 7. Preferably, the step of the roller core 7 is at the same height as the end of the roller sleeve 6, which can ensure that the fulcrum frame 4 is in a horizontal state, so that the fulcrum frame 4 can maintain force balance when it is under pressure.
[0025] The number of the jacks 9 is preferably three and they are evenly arranged around the axis of the roller core 7. The load-bearing capacity of the jacks 9 is 50 tons.
[0026] When it is necessary to disassemble the roller sleeve 6, first remove the bolts from between the first wedge block 3 and the second wedge block 8, then evenly fix the end of the mounting frame 5 between the two adjacent hanging ears 1, and place the end of the fulcrum frame 4 to the step of the roller core 7 and the end of the roller sleeve 6, and the jack 9 applies pressure to the fulcrum frame 4. The fulcrum frame 4 serves as a fulcrum, and pulls the hanging ears 1 through the mounting frame 5 to pull the first wedge block 3 outward from the end of the roller sleeve 6. After the first wedge block 3 is taken out, the fulcrum frame 4 and the mounting frame 5 are disassembled, and finally the roller sleeve 6 is taken out from the original direction along the first wedge block 3 by hoisting.
[0027] When the roller sleeve 6 needs to be installed, firstly hoist the roller sleeve 6 and insert it into the roller core 7, and make the bottom end of the roller sleeve 6 fit with the inclined surface of the second wedge block 8. Then, insert the first wedge block 3 into the inclined surface of the top end of the roller sleeve 6 and fix it with bolts to complete the installation.
[0028] The above-described embodiments are merely descriptions of preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.
Claims
1. A special tool for disassembling the toothed roller of a toothed roller crusher, used for detachably mounting the roller sleeve (6) on the roller core (7), characterized in that: include: The wedge block comprises a second wedge block (8) fixedly mounted on the roller core (7) and a first wedge block (3) slidably mounted on the roller core (7), and the roller sleeve (6) is extruded and mounted on the outside of the first wedge block (3) and the second wedge block (8); The fixing device (2) is used for detachably fixing the first wedge block (3) and the second wedge block (8).
2. The special tooling for disassembling the toothed roller of a toothed roller crusher according to claim 1 is characterized in that: The fixing device (2) is one of a bolt, a shaft, a rod or a pin.
3. The special tooling for disassembling the toothed roller of a toothed roller crusher according to claim 1 is characterized in that: A material taking device is provided at one end of the roller sleeve (6), and the material taking device is used to take the first wedge block (3) out from the end of the roller sleeve (6).
4. The special tooling for disassembling the toothed roller of a toothed roller crusher according to claim 3 is characterized in that: The material taking device comprises a jack (9) arranged at the first wedge block (3), and an output shaft of the jack (9) is fixed to the first wedge block (3).
5. The special tooling for disassembling the toothed roller of a toothed roller crusher according to claim 3, characterized in that: The material taking device comprises a mounting frame (5) fixedly mounted on the outer side of the first wedge block (3), a jack (9) being fixedly mounted on the mounting frame (5), a fulcrum frame (4) which contacts the output shaft of the jack (9) passing through the middle of the mounting frame (5), and two ends of the fulcrum frame (4) are respectively located at the end edges of the roller sleeve (6) and the roller core (7).
6. The special tooling for disassembling the toothed roller of a toothed roller crusher according to claim 5, characterized in that: The outer side of the first wedge block (3) is fixedly mounted with hanging ears (1) fixed to the two ends of the mounting frame (5).