CN110202527B - Device and method for disassembling and assembling upper frame of single-cylinder hydraulic cone crusher - Google Patents
Device and method for disassembling and assembling upper frame of single-cylinder hydraulic cone crusher Download PDFInfo
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- CN110202527B CN110202527B CN201910515215.XA CN201910515215A CN110202527B CN 110202527 B CN110202527 B CN 110202527B CN 201910515215 A CN201910515215 A CN 201910515215A CN 110202527 B CN110202527 B CN 110202527B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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Abstract
The invention discloses an upper frame dismounting device and method of a single-cylinder hydraulic cone crusher, comprising an upper frame flange, a lower frame flange, dismounting nuts, a screw, a positioning tool and a hydraulic wrench, wherein a positioning groove is formed in the outer side of a screw hole of the lower frame flange; the screw is connected with the lower part of the upper frame flange, the outside of the screw of the upper frame flange is provided with a guide groove, the positioning tool comprises a hanging part and a supporting part, the hanging part of the positioning tool is positioned in the guide groove of the upper frame flange and hung on the lower frame flange, the dismounting nut is fixed in the sleeve of the hydraulic wrench, the dismounting nut is in threaded connection with the screw, the screw penetrates through the screw hole of the lower frame flange, and the speed sensor is arranged on the supporting part of the positioning tool. According to the invention, the dismounting nuts are installed and positioned through the positioning tool, the hydraulic spanner is driven through the hydraulic station, the dismounting nuts are rotated, and the screw rod is driven to move up and down, so that the separation and the matching of the upper frame flange and the lower frame flange are completed, and the cost of personnel and time for dismounting the upper frame is greatly reduced.
Description
Technical Field
The invention relates to the technical field of crushers, in particular to a rack dismounting device of a single-cylinder hydraulic cone crusher.
Background
The single-cylinder hydraulic cone crusher can be widely applied to the industrial fields of black, colored, nonmetallic mines, sand stones and the like. The characteristics of large crushing force, high production efficiency, lamination crushing, uniform finished product grain, low consumption of consumable parts, low running cost and the like make the single-cylinder hydraulic cone crusher play an indispensable important role in the crushing industry. The principle is that a pair of meshed gears drive an eccentric mechanism to do a rotary swing motion, so as to squeeze and crush materials in a crushing cavity.
Because of the working principle, strict requirements are applied to the matching of the upper and lower frames of the hydraulic cone crusher, the upper and lower frames of the common single-cylinder hydraulic cone crusher are assembled together in a threaded matching mode, interference fit is required to be added, and due to the relation between the frame structure and the installation space, the cost of personnel and time consumed in the process of installing and detaching the upper frame is relatively high, and the common detaching modes are as follows: 1. and (5) manually uniformly and circularly screwing the peripheral jackscrews, and jacking up the upper rack. 2. Wedge openings are added at the matching position of the upper frame and the lower frame, and the upper frame is ejected out by a method of wedging wedges to the peripheral wedge openings. 3. And simultaneously, the two functions together. 4. The steel plate is welded on the upper frame, then the upper frame is jacked up by using a jack, the welded steel plate is required to be cut by flame cutting after the disassembly is completed, and the upper frame is easy to be damaged. All the modes are manually operated, four sides are required to be simultaneously and uniformly applied with force, so that the labor cost and the time cost are consumed, the machine frame cannot be used when the upper machine frame is detached, and the field production efficiency is affected.
Four holes are dug on the flange surface of the lower frame and used for installing jacks, the upper frame is directly jacked up, the strength weakening degree of the upper frame and the lower frame cannot be used when the upper frame and the lower frame are installed, the overlength of the using time of the crusher is not considered, the adhesive force of the upper flange surface and the lower flange surface is unevenly distributed, and the flange surface of the upper frame and the lower frame is damaged by forced jacking up.
The disassembly and assembly modes proposed in the patent 'a compound single-cylinder hydraulic cone crusher' (201710042434.1) use a piston rod to drive the disassembly and assembly of the upper and lower frames, and still have the following 2 point defects: 1. the equipment may have rusting conditions during use, resulting in different disassembly forces required for each side during disassembly, and if the sides are disassembled with the same force, the flange of the upper frame may deform such that the host is entirely tilted or the disassembly device itself is damaged. 2. The disassembly condition cannot be monitored and fed back in the disassembly process.
Disclosure of Invention
In order to solve the problems, the invention provides a device for disassembling and assembling an upper frame of a single-cylinder hydraulic cone crusher, by adopting the device, the cost of personnel and time for disassembling and assembling the upper frame is greatly reduced, a power source is a hydraulic station which is conveniently equipped for equipment, and the power source can be automatically regulated through a feedback system during disassembly, so that the whole process is stable, and the space and the cost are saved.
The invention is realized by the following technical scheme. The dismounting device comprises an upper frame flange, a lower frame flange, dismounting nuts, a screw, a positioning tool and a hydraulic wrench, wherein a positioning groove is formed in the outer side of a screw hole of the lower frame flange; the hydraulic wrench is characterized in that a screw is connected to the lower portion of the upper frame flange, a guide groove is formed in the outer side of the screw of the upper frame flange, the hydraulic wrench is fixed to a positioning tool, the positioning tool comprises a hanging portion and a supporting portion, the hanging portion is parallel to the supporting portion, the hanging portion is connected with the supporting portion through an intermediate connecting portion, the hanging portion of the positioning tool is located in the guide groove of the upper frame flange and is hung on the lower frame flange, a sleeve is arranged on the head of the hydraulic wrench, a dismounting nut is mounted in the sleeve of the hydraulic wrench and is fixed to the dismounting nut, the screw penetrates through a screw hole of the lower frame flange, the dismounting nut is in threaded connection with the screw, the screw penetrates through a screw hole of the lower frame flange, a speed sensor is mounted on the supporting portion of the positioning tool, a reflecting point is arranged at the dismounting nut or the sleeve, a probe of the speed sensor is aligned with the reflecting point, an oil inlet and an oil return port of the hydraulic wrench is connected with a hydraulic station, and the hydraulic wrench, the speed sensor and the hydraulic station are connected with an electric cabinet and a controller. The dismounting nut is rotated through the sleeve of the hydraulic wrench to dismount the upper rack, the rotating speed of the dismounting nut is measured through the speed sensor, and the lifting height of the screw rod is judged through the rotating number of turns of the dismounting nut.
Further preferably, a boss is machined on the surface of the hanging part matched with the lower frame flange, and the boss is matched with a positioning groove on the lower frame flange to finish the installation and positioning of the positioning tool.
Further preferably, the hydraulic wrench tail is provided with a mounting plate, the head is provided with a replaceable sleeve, the hydraulic wrench is fixedly connected with the positioning tool through the mounting plate, and the sleeve of the hydraulic wrench is arranged above the positioning circular groove of the supporting part.
Further preferably, the lower end of the dismounting nut is provided with a thrust bearing, the thrust bearing is arranged in a positioning circular groove of the supporting part, the upper end of the dismounting nut is provided with a wear-resistant gasket, and the wear-resistant gasket is arranged between the dismounting nut and the upper frame flange, so that friction force is reduced, and the upper frame is protected from being worn.
Further preferably, an oil inlet and oil return port of the hydraulic wrench is connected with a proportional speed regulating valve, the proportional speed regulating valve is connected with a load sensitive variable pump, the load sensitive variable pump is connected with a hydraulic station, and the proportional speed regulating valve and the load sensitive variable pump are connected with the hydraulic station. The hydraulic oil station uses a load sensitive variable pump and a proportional speed regulating valve, and after receiving signals transmitted by a speed sensor, the controller adjusts the current of the proportional speed regulating valve corresponding to the appointed hydraulic wrench to change the flow input by the hydraulic wrench, thereby adjusting the dismounting force or the mounting force.
The invention also provides a disassembling and assembling method of the upper frame of the single-cylinder hydraulic cone crusher, in the disassembling and assembling process of the upper frame, a hydraulic wrench and a disassembling nut are positioned and installed through a positioning tool, the screw rod is guided and ensured to move along the direction vertical to the flange surface of the upper frame through the positioning tool, the axial movement of the disassembling nut is limited through the positioning tool and the lower frame, the upper frame is enabled to receive an upward or downward force, the disassembling and assembling nut is driven to rotate through controlling an oil path of the hydraulic wrench, the disassembling and assembling of the interference part of the upper frame and the lower frame are completed, the same flow of the hydraulic wrench is provided for the periphery of the upper frame, the speed of the disassembling nut is monitored through a speed sensor to monitor the lifting and closing speed and the required force of each side of the flange of the upper frame when the upper frame is disassembled and closed, the flow of hydraulic oil is increased when the number of turns of the disassembling nut at a certain position is smaller, and the flow of hydraulic oil is reduced when the number of turns of the disassembling nut at a certain position is quicker, and the disassembling and assembling nut disassembling force around is adjusted to enable the upper frame to be disassembled and assembled stably.
Speed of lifting of upper frame = rotational speed of dismounting nut x lead of screw, rotational speed of dismounting nut is expressed by:
wherein: v (V) Dismounting nut -rotational speed k of the dismounting nut-loss factor F Driving force Driving force μ of hydraulic wrench-friction factor F on screw and nut Up and down -the disassembly resistance m between the upper and lower frames Quality of dismounting nut -mass t of dismounting nut Unit time of -unit time of operation.
According to the invention, the positioning tool is used for installing, positioning, disassembling and assembling nuts. The hydraulic spanner is driven by the hydraulic station, the electric cabinet and the controller control forward and reverse rotation, the dismounting nut is rotated, and the screw rod is driven to move up and down, so that the separation and the matching of the upper frame flange and the lower frame flange are completed.
The traditional hydraulic single-cylinder cone crusher only manually screws the jackscrews around by using a wrench, the interference fit parts of the upper frame and the lower frame are jacked up, or a jack is used, so that the hydraulic single-cylinder cone crusher is time-consuming and labor-consuming, the upper frame is easily injured, and the hydraulic single-cylinder cone crusher cannot be used when the upper frame is installed. The invention saves manpower, can be used when being disassembled and assembled, has a balance feedback regulating system in the whole process, can be completed by operating the controller and the electric cabinet, has simple and convenient operation, and greatly saves the assembly personnel and the time cost.
Description of the drawings:
fig. 1 is a schematic view of an upper frame dismounting device according to the invention.
Fig. 2 is a schematic structural view of the upper frame.
FIG. 3 is a schematic diagram of the positioning tooling and sensor configuration.
Fig. 4 is a schematic structural view of a hydraulic wrench.
Fig. 5 is a schematic diagram of a combination of a positioning tool and a hydraulic wrench.
Fig. 6 is a schematic view of a sleeve bottom mounted reflection point.
Fig. 7 is a schematic diagram of the cross-sectional results of the upper housing assembly and disassembly apparatus.
Fig. 8 is a general schematic of the present invention.
Fig. 9 is a schematic diagram of a hydraulic system.
Fig. 10 is a feedback flow chart.
In the figure: 1. a lower frame; 11. a lower frame flange; 12. a positioning groove; 2. an upper frame; 21. a guide groove; 22. an upper frame flange; 3. positioning a tool; 31. a hanging part; 32. a support part; 33. positioning the round groove; 4. a hydraulic wrench; 41. a mounting plate; 42. a sleeve; 5. a speed sensor; 6. a thrust bearing; 7. disassembling and assembling the nut; 8. wear-resistant gaskets; 9. a screw; 10. a set of connecting bolts; 13. a proportional speed regulating valve; 14. a load-sensitive variable pump; 15. a hydraulic station; 16. electric cabinet and controller.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-7, an upper frame dismounting device of a single-cylinder hydraulic cone crusher comprises a dismounting nut 7, a screw rod 9, a positioning tool 3 and a hydraulic wrench 4, wherein a lower frame 1 is provided with a lower frame flange 11, the outer side of a screw rod hole of the lower frame flange 11 is provided with a positioning groove 12, an upper frame 2 is provided with an upper frame flange 22, the lower part of the upper frame flange 22 is connected with the screw rod 9, and the outer side of the screw rod 9 of the upper frame flange 22 is provided with a guide groove 21.
As shown in fig. 3, the positioning tool 3 includes a hanging portion 31 and a supporting portion 32, the hanging portion 31 and the supporting portion 32 are parallel to each other, the hanging portion 31 and the supporting portion 32 are connected through an intermediate connection portion, and the supporting portion 32 is provided with a positioning circular groove 33. The supporting part 32 is provided with the speed sensor 5, a boss is processed on the surface of the hanging part 31 matched with the lower frame flange 11, and the boss is matched with the positioning groove 12 on the lower frame flange 11 to finish the installation and positioning of the positioning tool 3.
The structure of the hydraulic wrench 4 is shown in fig. 4, the tail of the hydraulic wrench 4 is provided with a mounting plate 41, the head of the hydraulic wrench 4 is provided with a replaceable sleeve 42, the hydraulic wrench 4 is fixedly connected with the positioning tool 3 through the mounting plate 41, the sleeve 42 of the hydraulic wrench 4 is arranged above the positioning circular groove 33 of the supporting part 32, the dismounting nut 7 is arranged in the sleeve 42, the lower end of the dismounting nut 7 is provided with a thrust bearing 6 in a pad manner, the thrust bearing 6 is arranged in the positioning circular groove 33 of the supporting part 32, the upper end of the dismounting nut 7 is provided with a wear-resistant gasket 8, the wear-resistant gasket 8 is arranged between the dismounting nut 7 and the upper frame flange 22, friction force is reduced to protect the upper frame 2 from being worn, and the dismounting nut 7 is in threaded connection with the screw 9. As shown in fig. 6, a reflection point is installed below the sleeve 42, and the probe of the speed sensor 5 is opposite to the reflection point of the sleeve 42 for measuring the number of rotations of the dismounting nut 7. The speed sensor 5 is a common photoelectric sensor, emits light signals to the reflection points through the probe, and counts once every time the electric signals on the speed sensor 5 receive the reflection signals of the reflection points, so that the speed measurement is completed. Of course, the reflection point may be provided at the bottom of the dismounting nut 7, so that the influence of slipping of the sleeve 42 and the dismounting nut 7 can be reduced. The degree sensor 5 can be a gear speed sensor.
As shown in fig. 8 and 9, the positioning tool 3 is hung at the guide groove 21 after being assembled, an oil inlet and an oil return port of the hydraulic wrench 4 are connected with the hydraulic station 15, the hydraulic wrench 4, the speed sensor 5 and the hydraulic station 15 are all connected with the electric cabinet and the controller 16, fig. 8 is a schematic diagram of a hydraulic system, the oil inlet and the oil return port of the hydraulic wrench 4 are connected with the proportional speed regulating valve 13, the proportional speed regulating valve 13 is connected with the load sensitive variable pump 14, the load sensitive variable pump 14 is connected with the hydraulic station 15, and the proportional speed regulating valve 13 and the load sensitive variable pump 14 are connected with the hydraulic station 15. In the whole disassembly and assembly process, after receiving the signals of the speed sensor 5, the proportional speed regulating valve 13 obtains different electric signals, so that the load sensitive variable pump 14 outputs appointed flow to the appointed hydraulic wrench 4, and each hydraulic wrench 4 outputs different forces, so that the lifting speeds of all sides of the upper frame 2 are the same, and the hydraulic wrench can stably ascend.
The guide groove 21 firstly plays a role of avoiding the positioning tool 3 in the working process. In the process of disassembling the upper frame 1, the guide groove 21 and the positioning tool 3 are matched to play a role in guiding, and the guide groove 21 around the upper frame flange 22 is matched with the positioning tool 3 around the upper frame flange 22 at the same time, so that the upper frame flange 22 can be ensured to be parallel to the lower frame flange 11 all the time, and the screw 9 can be prevented from being subjected to radial force to play a role in protection.
Fig. 10 shows a schematic diagram of a peripheral dismounting force feedback system, wherein the dismounting force required by each side of the frame is adjusted by feedback of peripheral speed sensors 5.
The utility model provides a frame dismouting method on single cylinder hydraulic cone crusher, in the frame dismouting process, fix a position installation hydraulic wrench and dismouting nut through the location frock, and guide through the location frock and ensure that the screw rod moves along the direction of perpendicular frame flange face, and restrict the axial displacement of dismouting nut through location frock and lower frame, make the frame receive an ascending or decurrent force, drive the rotation of dismouting nut through control hydraulic wrench oil circuit, accomplish the disassembly and the cooperation of frame and lower frame interference part, the same flow of hydraulic wrench around the frame of going up, monitor the dismouting nut rotational speed through speed sensor and monitor the speed and the required power of lifting and closure on each limit of frame flange when the frame of going up is taken apart and is closed, then increase the flow of hydraulic oil when the number of turns that the dismouting nut of a position rotated is less, then reduce the flow of hydraulic oil when the number of turns that the dismouting nut of a position rotated is quicker, adjust the dismouting nut disassembly power all around so make the frame can be steadily dismantled and installed.
Speed of lifting of upper frame = rotational speed of dismounting nut x lead of screw, rotational speed of dismounting nut is expressed by:
wherein: v (V) Dismounting nut -rotational speed k of the dismounting nut-loss factor F Driving force Driving force μ of hydraulic wrench-friction factor F on screw and nut Up and down -the disassembly resistance m between the upper and lower frames Quality of dismounting nut -mass t of dismounting nut Unit time of -unit time of operation.
The adjusting process comprises the following steps:
(1) during the disassembly process, the peripheral joint surfaces of the equipment are corroded and deformed during the use process of the equipment, and the main shaft is reversed to one side of the machine in the stop state, which can lead to F Up and down Different, mu among all the dismounting structures around are also different after the four-around use for a period of time, the loss coefficient k of energy is also inconsistent, and V is finally displayed Dismounting nut And will not be uniform.
(2) After the speed sensor receives the rotating speed signals of the dismounting nuts,
(3) and according to different speeds, different electric signals are given to the load-sensitive pump, different flow rates given to the surrounding hydraulic spanners are regulated, and the regulation of the rotating speed of the surrounding hydraulic spanners is completed.
The disassembly process comprises the following steps:
(1) and stopping and detaching the surrounding connecting bolt assembly 10.
(2) The electric control box and the controller 16 control the hydraulic wrench 4 around the host to work, the dismounting nut 7 is driven to rotate forward slowly at a constant speed, the screw 9 is driven to move upwards, and the upper frame 2 receives upward thrust around.
(3) The upper frame 2 and the lower frame 1 are dividedThe distance is b (a is the depth of interference fit between the upper and lower frames of different types, b is the depth of fit between the dismounting nut 7 and the screw 9, and b is more than or equal to a) max ) The upper frame 2 can be lifted by a lifting device.
The installation process comprises the following steps:
(1) the lifting device lifts the upper frame 2 to the upper side of the lower frame 1, and the main shaft of the crusher passes through the arm support hole.
(2) The guide groove of the upper frame 2 is aligned with the positioning tool 3, so that the screw rod 9 and the dismounting nut 7 can be matched;
(3) the upper frame 2 is slowly put down until the screw 9 and the screw thread of the dismounting nut 7 start to be attached.
(4) The hoisting ropes are loosened slightly.
(5) The electric control box and the controller 16 control the hydraulic wrench 4 around the host to work, the dismounting nut 7 is driven to rotate reversely at a constant speed, the screw 9 is driven to move downwards, and the upper frame is subjected to downward tension around.
(6) The upper frame 2 starts to descend steadily, pauses immediately, and releases the hoisting device completely.
(7) After the upper frame flange 22 and the lower frame flange 11 are completely tightly attached, the hydraulic wrench 4 is stopped due to the self-locking of the upper frame flange 22 and the lower frame flange 11 of the upper frame and the lower frame.
(8) At this time, the connecting bolt group 10 of the upper frame 2 and the lower frame 1 is screwed up, and the installation is completed.
Claims (7)
1. The dismounting device comprises an upper frame flange, a lower frame flange, dismounting nuts, a screw, a positioning tool and a hydraulic wrench, wherein a positioning groove is formed in the outer side of a screw hole of the lower frame flange; the hydraulic wrench is characterized in that a screw is connected to the lower portion of the upper frame flange, a guide groove is formed in the outer side of the screw of the upper frame flange, the hydraulic wrench is fixed to a positioning tool, the positioning tool comprises a hanging portion and a supporting portion, the hanging portion is parallel to the supporting portion, the hanging portion is connected with the supporting portion through an intermediate connecting portion, the hanging portion of the positioning tool is located in the guide groove of the upper frame flange and is hung on the lower frame flange, a sleeve is arranged on the head of the hydraulic wrench, a dismounting nut is mounted in the sleeve of the hydraulic wrench and is fixed to the dismounting nut, the screw penetrates through a screw hole of the lower frame flange, the dismounting nut is connected with the screw in a threaded mode, a speed sensor is mounted on the supporting portion of the positioning tool, a reflecting point is arranged at the dismounting nut or the sleeve, a probe of the speed sensor is aligned with the reflecting point, an oil inlet and an oil return port of the hydraulic wrench is connected with a hydraulic station, and the hydraulic wrench, the speed sensor and the hydraulic station are connected with an electric cabinet and a controller.
2. The upper frame dismounting device of a single-cylinder hydraulic cone crusher according to claim 1, characterized in that: a boss is machined on the surface of the hanging part, which is matched with the lower frame flange, and the boss is matched with a positioning groove on the lower frame flange to finish the installation and positioning of the positioning tool.
3. The upper frame dismounting device of a single-cylinder hydraulic cone crusher according to claim 1, characterized in that: the hydraulic wrench is characterized in that a mounting plate is arranged at the tail of the hydraulic wrench, a replaceable sleeve is arranged at the head of the hydraulic wrench, the hydraulic wrench is fixedly connected with a positioning tool through the mounting plate, and the sleeve of the hydraulic wrench is arranged above the positioning circular groove of the supporting part.
4. The upper frame dismounting device of a single-cylinder hydraulic cone crusher according to claim 1, characterized in that: the lower end pad of dismouting nut establishes footstep bearing, and footstep bearing locates in the location circular slot of supporting part, and the upper end pad of dismouting nut has wear pad, and wear pad is placed between dismouting nut and the upper frame flange.
5. The upper frame dismounting device of a single-cylinder hydraulic cone crusher according to claim 1, characterized in that: the oil inlet and return port of the hydraulic wrench is connected with a proportional speed regulating valve, the proportional speed regulating valve is connected with a load sensitive variable pump, the load sensitive variable pump is connected with a hydraulic station, and the proportional speed regulating valve and the load sensitive variable pump are connected with the hydraulic station.
6. A method for disassembling and assembling an upper frame of a single-cylinder hydraulic cone crusher is based on the disassembling and assembling device of the upper frame of the single-cylinder hydraulic cone crusher, in the disassembling and assembling process of the upper frame, a hydraulic wrench and a disassembling nut are positioned and assembled through a positioning tool, a screw rod is guided and ensured to move along the direction vertical to the flange surface of the upper frame through the positioning tool, the axial movement of the disassembling nut is limited through the positioning tool and a lower frame, the upper frame is enabled to bear an upward or downward force, the disassembling and assembling of the disassembling nut is driven through controlling an oil way of the hydraulic wrench, the disassembling and assembling of the interference part of the upper frame and the lower frame are completed, the same flow of the hydraulic wrench is provided for the periphery of the upper frame, the lifting and closing speed and the required force of each side of the flange of the upper frame are monitored through a speed sensor for monitoring the disassembling and assembling nut rotating speed, the flow of hydraulic oil is increased when the disassembling and assembling nut at a certain position rotates, the flow of hydraulic oil is reduced when the rotating number of the disassembling nut at a certain position is faster, and the disassembling force of the surrounding disassembling nut is adjusted, and the disassembling and assembling of the upper frame can be stably disassembled and assembled.
7. The method for dismounting the upper frame of the single-cylinder hydraulic cone crusher according to claim 6, wherein the method comprises the following steps: speed of lifting of upper frame = rotational speed of dismounting nut x lead of screw, rotational speed of dismounting nut is expressed by:
wherein: v (V) Dismounting nut -rotational speed k of the dismounting nut-loss factor F Driving force Driving force μ of hydraulic wrench-friction factor F on screw and nut Up and down -the disassembly resistance m between the upper and lower frames Quality of dismounting nut -mass t of dismounting nut Unit time of -unit time of operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515215.XA CN110202527B (en) | 2019-06-14 | 2019-06-14 | Device and method for disassembling and assembling upper frame of single-cylinder hydraulic cone crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515215.XA CN110202527B (en) | 2019-06-14 | 2019-06-14 | Device and method for disassembling and assembling upper frame of single-cylinder hydraulic cone crusher |
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| Publication Number | Publication Date |
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| CN110202527A CN110202527A (en) | 2019-09-06 |
| CN110202527B true CN110202527B (en) | 2023-06-16 |
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| CN111774131B (en) * | 2020-07-21 | 2023-05-05 | 南昌矿机集团股份有限公司 | Device and method for disassembling, locking and fixing upper and lower frames of single-cylinder cone crusher |
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| CN205834681U (en) * | 2016-07-18 | 2016-12-28 | 北京海拓斯特机电技术有限公司 | A kind of wind turbine gearbox lock sleeve fastener for bolt |
| CN106732910A (en) * | 2017-01-20 | 2017-05-31 | 河南黎明重工科技股份有限公司 | A kind of compound single-cylinder hydro cone-crusher |
| CN106914749A (en) * | 2017-04-30 | 2017-07-04 | 李倩 | A kind of tooth processed sets the auto lock provision for disengagement of stored workpiece clamping locking nut |
| CN107877437A (en) * | 2017-10-26 | 2018-04-06 | 国电联合动力技术(保定)有限公司 | A kind of wind power hub pitch variable bearings automatic screwing down apparatus |
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| CN207462719U (en) * | 2017-11-08 | 2018-06-08 | 鄂州市德标机械有限公司 | A kind of ratio injection device |
| CN207628475U (en) * | 2017-11-16 | 2018-07-20 | 南昌矿山机械有限公司 | Multicylinder hydraulic spindle breaker drive ring limiting device |
| CN207643047U (en) * | 2017-11-24 | 2018-07-24 | 兰州西固热电有限责任公司 | A kind of flange bolt dismounting auxiliary device |
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