CN210850085U - Upper frame dismounting device of single-cylinder hydraulic cone crusher - Google Patents
Upper frame dismounting device of single-cylinder hydraulic cone crusher Download PDFInfo
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- CN210850085U CN210850085U CN201920894939.5U CN201920894939U CN210850085U CN 210850085 U CN210850085 U CN 210850085U CN 201920894939 U CN201920894939 U CN 201920894939U CN 210850085 U CN210850085 U CN 210850085U
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Abstract
The utility model discloses a last frame dismouting device of single cylinder hydraulic pressure cone crusher, including dismouting nut, screw rod, location frock and hydraulic wrench, hydraulic wrench is together fixed with the location frock, the location frock includes linkage portion and supporting part, and linkage portion and supporting part are parallel to each other, and linkage portion and supporting part link to each other through intermediate junction portion, the linkage portion of location frock is located the guide slot of last frame flange and hangs on the lower frame flange, and the dismouting nut is packed into in hydraulic wrench's the sleeve and is fixed, dismouting nut and screw rod threaded connection, screw rod and last frame flange link to each other and pass the screw rod hole of lower frame flange. The utility model discloses a location frock installation location dismouting nut through hydraulic pressure station drive hydraulic spanner, through electric cabinet and controller control positive and negative rotation, rotates the dismouting nut, orders about the screw rod up-and-down motion to accomplish frame flange and lower frame flange separation and cooperation, the personnel and the time cost of dismouting upper ledge frame reduce by a wide margin.
Description
Technical Field
The utility model relates to a breaker technical field, concretely relates to single cylinder hydraulic cone crusher frame dismouting device.
Background
The single-cylinder hydraulic cone crusher can be widely applied to the industrial fields of black, non-ferrous and non-metallic mines, sandstone materials and the like. The characteristics of large crushing force, high production efficiency, lamination crushing, uniform grain shape of a finished product, less consumption of consumable parts, low operation cost and the like enable the single-cylinder hydraulic cone crusher to play an indispensable important role in the crushing industry. The principle is that a pair of meshed gears drives an eccentric mechanism to do a rotary swing motion to extrude and crush materials in a crushing cavity.
Just because such theory of operation has strict requirement to the cooperation of its upper and lower frame, so the upper and lower frame of common single cylinder hydraulic cone crusher still need increase interference fit when adopting the cooperation mode assembly of screw thread often, because the relation of rack construction itself and installation space, the personnel and the time cost of frame in-process consumption are higher in the installation with dismantling, and common dismantlement mode has following 4: 1. the surrounding jackscrews are screwed up evenly and circularly by manpower, and the upper frame is jacked open. 2. And a wedge opening is added at the matching part of the upper frame and the lower frame, and the upper frame is ejected out by a method of beating wedge blocks to the wedge openings on the periphery. 3. Simultaneously, the two components act together. 4. The steel plate is welded on the upper frame, then the steel plate is placed on the supporting frame through the jack, the upper frame is jacked open, the welded steel plate needs to be cut open through flame cutting after the steel plate is disassembled, and the upper frame is easy to be damaged. Above several kinds of modes are manual operation, need all around simultaneously, even application of force consumes personnel's cost and time cost, and can't use when last frame is dismantled, influence on-the-spot production efficiency.
Four holes are dug on the flange surface of a lower frame for mounting a jack, and the upper frame is directly jacked open, the strength weakening degree of the lower frame is too large in the form, the lower frame cannot be used when the upper frame and the lower frame are mounted, the overlong service time of the crusher is not considered, the adhesive force of the upper flange surface and the lower flange surface is not uniformly distributed all around, and the upper frame and the lower frame are damaged by forced jacking open, wherein the four holes are provided in a hydraulic cone crusher dismounting structure (201220715992.2).
The dismounting mode proposed in the patent "a combined type single cylinder hydraulic cone crusher" (201710042434.1), the mode of using the piston rod to drive the dismounting and mounting of the upper and lower frames still has the following 2 defects: the equipment can be rusted in the using process, so that the required disassembling force on each side is different in the disassembling process, and if the sides are disassembled by using the same force, the flange of the upper frame can be deformed to enable the whole main machine to incline or damage the disassembling device. 2. The disassembly condition can not be monitored and fed back in the disassembly process.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists, the utility model provides a frame dismouting device on single cylinder hydraulic cone crusher adopts the device, and the personnel and the time cost of dismouting frame reduce by a wide margin, and the power supply is the hydraulic pressure station that equipment itself just was equipped with, accessible feedback system automatically regulated during the dismouting for whole process reaches steadily, saves space and cost.
The utility model discloses a following technical scheme realizes. The utility model provides a last frame dismouting device of single cylinder hydraulic cone crusher, includes dismouting nut, screw rod, location frock and hydraulic wrench, hydraulic wrench is together fixed with the location frock, the location frock includes linkage portion and supporting part, and linkage portion and supporting part are parallel to each other, and linkage portion and supporting part link to each other through intermediate junction portion, the linkage portion of location frock is located the guide slot of last frame flange and hangs on the lower frame flange, and the dismouting nut is packed into hydraulic wrench's sleeve and is fixed, dismouting nut and screw rod threaded connection, and the screw rod links to each other with last frame flange and passes the screw rod hole of lower frame flange.
Further preferably, the screw jacking device further comprises a speed sensor, wherein the speed sensor is mounted on the supporting portion of the positioning tool, reflection points are arranged at the dismounting nut or the sleeve, a probe of the speed sensor is aligned with the reflection points, the rotating speed of the dismounting nut is measured through the speed sensor, and the screw jacking height is judged through the number of rotating turns of the dismounting nut.
Further preferably, the locating groove is formed in the outer side of the screw hole of the lower frame flange, a boss is machined on the surface, matched with the lower frame flange, of the hanging portion, and the boss is matched with the locating groove in the lower frame flange to complete installation and location of the locating tool.
Further preferably, the tail of the hydraulic wrench is provided with a mounting plate, the head of the hydraulic wrench 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.
Preferably, the lower end of the dismounting nut is padded 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 padded with a wear-resistant gasket, and the wear-resistant gasket is placed 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 return port of the hydraulic wrench is connected with a hydraulic station, and the hydraulic wrench, the speed sensor and the hydraulic station are all connected with an electric cabinet and a controller.
Preferably, an oil inlet and an oil return port of the hydraulic wrench are 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. A load sensitive variable pump and a proportional speed regulating valve are used in the hydraulic oil station, and after a controller receives a signal transmitted by a speed sensor, the current of the proportional speed regulating valve corresponding to a designated hydraulic wrench is adjusted to change the input flow of the hydraulic wrench, so that the disassembly force or the installation force is adjusted.
The utility model discloses a location frock installation location dismouting nut. The hydraulic wrench is driven by the hydraulic station, the electric cabinet and the controller are used for controlling forward and reverse rotation, the dismounting nut is rotated, and the screw rod is driven to move up and down, so that the upper frame flange and the lower frame flange are separated and matched.
Traditional hydraulic pressure single cylinder cone crusher is only artifical and twists jackscrew all around with the spanner, will go up lower frame interference fit part and push up, perhaps uses the jack, wastes time and energy, injures the frame easily, and can't use when going up the frame installation. The utility model discloses it is all available when using manpower sparingly and dismouting, there is balanced feedback governing system in whole in-process still, and operation controller and electric cabinet can accomplish, and easy operation is convenient, has practiced thrift the personnel and the time cost of assembly greatly.
In the process of disassembling and assembling the upper frame, the nut is driven to rotate through hydraulic pressure, and the axial movement of the nut is limited by the positioning tool and the lower frame, so that the upper frame is subjected to an upward or downward force to disassemble and cooperate with an interference part of the upper frame and the lower frame. The same flow of the hydraulic wrenches around the upper frame is given, the lifting speed and the closing speed of each side of the flange of the upper frame and the required force when the upper frame is opened and closed are monitored by monitoring the rotating speed of the dismounting nut through a speed sensor, and the dismounting force around the upper frame is adjusted to ensure that the upper frame can be stably dismounted and mounted.
Description of the drawings:
fig. 1 is a schematic view of the upper frame dismounting device of the present invention.
Fig. 2 is a schematic structural view of the upper frame.
Fig. 3 is a schematic structural view of the positioning tool and the sensor.
Fig. 4 is a schematic structural view of the hydraulic wrench.
Fig. 5 is a schematic view of the combination of the positioning tool and the hydraulic wrench.
Fig. 6 is a schematic view of the reflection point mounted at the bottom of the sleeve.
FIG. 7 is a schematic cross-sectional view of the upper frame mounting/dismounting device.
Fig. 8 is a general schematic diagram of the present invention.
Fig. 9 is a schematic diagram of a hydraulic system.
In the figure: 1. a lower frame; 11. a lower frame flange; 12. positioning a 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 portion; 33. positioning the circular groove; 4. a hydraulic wrench; 41. mounting a plate; 42. a sleeve; 5. a speed sensor; 6. a thrust bearing; 7. disassembling and assembling the nut; 8. a wear resistant pad; 9. a screw; 10. a set of connection bolts; 13. a proportional speed regulating valve; 14. a load-sensitive variable displacement pump; 15. a hydraulic station; 16. electric cabinet and controller.
Detailed Description
The embodiments of the present invention will be further explained in detail with reference to the accompanying drawings.
As shown in fig. 1-7, the dismounting device for the upper frame of the single-cylinder hydraulic cone crusher comprises a dismounting nut 7, a screw 9, a positioning tool 3 and a hydraulic wrench 4, wherein the lower frame 1 is provided with a lower frame flange 11, a positioning groove 12 is arranged on the outer side of a screw hole of the lower frame flange 11, the 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 9, and a guide groove 21 is arranged on the outer side of the screw 9 of the upper frame flange 22.
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 by an intermediate connecting 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 complete the installation and positioning of the positioning tool 3.
The structure of hydraulic spanner 4 is as shown in fig. 4, hydraulic spanner 4 afterbody is equipped with mounting panel 41, the head has removable sleeve 42, as shown in fig. 5 and fig. 6, hydraulic spanner 4 passes through mounting panel 41 and location frock 3 fixed connection, hydraulic spanner 4's sleeve 42 sets up the location circular slot 33 top at supporting part 32, assembly and disassembly nut 7 sets up in sleeve 42, and thrust bearing 6 is established to the lower extreme pad of assembly and disassembly nut 7, thrust bearing 6 locates in the location circular slot 33 of supporting part 32, the upper end pad of assembly and disassembly nut 7 has wear pad 8, wear pad 8 places between assembly and disassembly nut 7 and upper frame flange 22, it is protected upper frame 2 not worn and torn to reduce frictional force, assembly and disassembly nut 7 and screw 9 threaded connection. 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 and used for measuring the rotation number of the dismounting nut 7. The speed sensor 5 is a common photoelectric sensor, and transmits a light signal to a reflection point through a probe, and the electric signal on the speed sensor 5 counts once every time the electric signal receives a reflection signal of the reflection point, so that the measurement of the speed is completed. Of course, the reflection point may be provided at the bottom of the mounting nut 7, which may also reduce the effect of slipping between the sleeve 42 and the mounting nut 7. The degree sensor 5 can be a gear speed measuring sensor.
As shown in fig. 8 and 9, the positioning tool 3 is suspended at the guide groove 21 after being assembled, an oil inlet and oil return port of the hydraulic wrench 4 is 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 oil return port of the hydraulic wrench 4 is 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 dismounting process, after receiving the signal of the speed sensor 5, the proportional speed regulating valve 13 obtains different electric signals, so that the load sensitive variable pump 14 outputs the specified flow to the specified hydraulic wrench 4, and each hydraulic wrench 4 outputs different forces, so that the lifting speeds of the edges of the upper frame 2 are the same, and the upper frame is stably lifted.
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 is matched with the positioning tool 3 to play a role in guiding, and the upper frame flange 22 can be ensured to be parallel to the lower frame flange 11 all the time through the matching of the guide groove 21 on the periphery of the upper frame flange 22 and the positioning tool 3 on the periphery, so that the screw rod 9 can be prevented from being subjected to radial force, and a protection effect is achieved.
The required dismounting force of each side of the frame is adjusted through the feedback of the peripheral speed sensors 5.
In the process of disassembling and assembling the upper frame, a positioning tool is used for positioning and installing a hydraulic wrench and a nut for disassembling and assembling, the positioning tool is used for guiding and ensuring that a screw rod moves along the direction vertical to the flange surface of the upper frame, the axial movement of the nut for disassembling and assembling is limited by the positioning tool and the lower frame, the upper frame is forced to move upwards or downwards, the oil circuit of the hydraulic wrench is controlled to drive the nut for disassembling and assembling to rotate, the interference part of the upper frame and the lower frame is disassembled and matched, the same flow of the hydraulic wrench around the upper frame is given, the rotating speed of the nut for disassembling and assembling is monitored by 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 nut for disassembling and assembling at a certain position is smaller, and the flow, the disassembly force of the disassembly and assembly nuts on the periphery is adjusted in such a way that the upper frame can be stably disassembled and assembled.
The speed of the upper frame lifting is equal to the rotation speed of the nut dismounting × screw lead, and the rotation speed of the nut dismounting is represented by the following formula:
wherein: vDismounting nutRotational speed k of dismounting nut-loss factor
FDriving forceDriving force mu of a Hydraulic wrench-Friction factor on screw and nut
FUp and downDetachment resistance m between upper and lower framesQuality of dismounting nutQuality of the dismounting nut
tUnit time-unit time of operation.
The adjusting process comprises the following steps:
① during disassembly, F is caused by the corrosion and deformation of the peripheral joint surface of the equipment during the use of the equipment and the situation that the main shaft falls to one side of the machine in a stop stateUp and downWill be different, after a period of use around, the mu between each disassembly and assembly structure around will also be different, the loss coefficient k of energy will also be inconsistent, the V that finally shows outDismounting nutMay also be inconsistent.
② when the speed sensor receives the rotation speed signal of each nut,
③ according to the different speeds, different electric signals are given to the load sensitive pump, different flow rates are given to the surrounding hydraulic wrenches, and the adjustment of the rotating speed of the surrounding hydraulic wrenches is completed.
The disassembling process comprises the following steps:
① are shut down and the surrounding set of attachment bolts 10 are removed.
② the hydraulic spanners 4 around the main frame are controlled by the electric control box and the controller 16 to work, the dismounting nut 7 is driven to rotate forwards slowly at a constant speed, the screw rod 9 is driven to move upwards, and the upper frame 2 is pushed upwards around.
③ the separation distance between the upper frame 2 and the lower frame 1 reaches b (a is the interference fit depth of the upper and lower frames of different models, b is the fit depth of the dismounting nut 7 and the screw 9, and b is more than or equal to amax) The upper frame 2 can be lifted by the lifting device.
The installation process comprises the following steps:
① the hoisting device hoists the upper frame 2 to the upper part of the lower frame 1, and the crusher main shaft 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 9 can be matched with the dismounting nut 7;
③ the upper frame 2 is slowly lowered until the screw 9 and the dismounting nut 7 start to be jointed.
④ will cause the hoist rope to loosen slightly.
⑤ the electric control box and the controller 16 control the hydraulic spanners 4 around the main machine to work, drive the dismounting nut 7 to slowly rotate reversely at a constant speed, drive the screw rod 9 to move downwards, and the upper frame is pulled downwards around, ⑥ the upper frame 2 starts to stably descend, and is suspended immediately, and the hoisting device is completely released.
⑦ the upper frame flange 22 and the lower frame flange 11 are completely attached tightly, the hydraulic wrench 4 is stopped because the upper frame flange 22 and the lower frame flange 11 of the upper and lower frames are self-locked.
⑧ at this time, the upper frame 2 and the lower frame 1 are screwed tightly by the connecting bolt group 10, and the installation is completed.
Claims (7)
1. The utility model provides a frame dismouting device on single cylinder hydraulic cone crusher, includes dismouting nut, screw rod, location frock and hydraulic wrench, characterized by: the hydraulic wrench is fixed together with the location frock, the location frock includes linkage portion and supporting part, and linkage portion and supporting part are parallel to each other, and linkage portion pass through intermediate junction portion with the supporting part, the linkage portion of location frock is located the guide slot of upper frame flange and hangs on the lower frame flange, and the dismouting nut is packed into hydraulic wrench's sleeve and is fixed, dismouting nut and screw rod threaded connection, and the screw rod links to each other with the upper frame flange and passes the screw rod hole of lower frame flange.
2. The single cylinder hydraulic cone crusher upper frame dismounting device according to claim 1, characterized in that: the speed sensor is arranged on a supporting part of the positioning tool, a reflection point is arranged at the position of the dismounting nut or the sleeve, and a probe of the speed sensor is aligned with the reflection point.
3. The single cylinder hydraulic cone crusher upper frame dismounting device according to claim 1, characterized in that: the screw rod hole outside of lower frame flange is equipped with the constant head tank, processing has the boss on linkage and the lower frame flange complex face, boss and the lower frame flange go up the constant head tank cooperation.
4. The single cylinder hydraulic cone crusher upper frame dismounting device 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 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.
5. The single cylinder hydraulic cone crusher upper frame dismounting device according to claim 1, characterized in that: the lower end of the dismounting nut is padded 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 padded with a wear-resistant gasket, and the wear-resistant gasket is placed between the dismounting nut and the upper frame flange.
6. The single cylinder hydraulic cone crusher upper frame dismounting device according to claim 1, characterized in that: an oil inlet and 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 all connected with an electric cabinet and a controller.
7. The single cylinder hydraulic cone crusher upper frame dismounting device according to claim 6, characterized in that: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920894939.5U CN210850085U (en) | 2019-06-14 | 2019-06-14 | Upper frame dismounting device of single-cylinder hydraulic cone crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920894939.5U CN210850085U (en) | 2019-06-14 | 2019-06-14 | Upper frame dismounting device of single-cylinder hydraulic cone crusher |
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| Publication Number | Publication Date |
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| CN210850085U true CN210850085U (en) | 2020-06-26 |
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| CN201920894939.5U Active CN210850085U (en) | 2019-06-14 | 2019-06-14 | Upper frame dismounting device of single-cylinder hydraulic cone crusher |
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| CN (1) | CN210850085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202527A (en) * | 2019-06-14 | 2019-09-06 | 南昌矿山机械有限公司 | Single-Cylinder Hydraulic Cone Crusher upper spider attaching/detaching apparatus and method |
-
2019
- 2019-06-14 CN CN201920894939.5U patent/CN210850085U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202527A (en) * | 2019-06-14 | 2019-09-06 | 南昌矿山机械有限公司 | Single-Cylinder Hydraulic Cone Crusher upper spider attaching/detaching apparatus and method |
| CN110202527B (en) * | 2019-06-14 | 2023-06-16 | 南昌矿机集团股份有限公司 | Device and method for disassembling and assembling upper frame of single-cylinder hydraulic cone crusher |
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Address after: 330004 No. 300, Hongwan Avenue, Wanli District, Nanchang City, Jiangxi Province Patentee after: Nanchang Mining Machinery Group Co.,Ltd. Address before: 330004 No. 300, Hongwan Avenue, Wanli District, Nanchang City, Jiangxi Province Patentee before: NANCHANG MINERAL SYSTEMS Co.,Ltd. |