CN117046713B - Discrete multi-shaft horizontal elliptic screen - Google Patents
Discrete multi-shaft horizontal elliptic screen Download PDFInfo
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- CN117046713B CN117046713B CN202311297549.7A CN202311297549A CN117046713B CN 117046713 B CN117046713 B CN 117046713B CN 202311297549 A CN202311297549 A CN 202311297549A CN 117046713 B CN117046713 B CN 117046713B
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- 230000033001 locomotion Effects 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 68
- 238000003860 storage Methods 0.000 claims description 46
- 230000000712 assembly Effects 0.000 claims description 26
- 238000000429 assembly Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 18
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- 238000012216 screening Methods 0.000 abstract description 18
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/38—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens oscillating in a circular arc in their own plane; Plansifters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a discrete multi-shaft horizontal elliptic screen, and relates to the technical field of vibrating screens. The discrete multi-shaft horizontal elliptic screen comprises three asynchronous motors; the three asynchronous motors drag the first group of vibration exciter combinations, the second group of vibration exciter combinations and the third group of vibration exciter combinations, so that the screen mesh is driven to do elliptical motion; the hydraulic control device is arranged to enable the thin oil liquid level in the bearing to be smaller than half of the diameter of the bearing; and a filter device configured to collect metal debris within the bearing and to regulate a temperature within the bearing. This horizontal oval sieve of discrete multiaxis drives the material on the shale shaker and makes elliptical motion, promotes screening efficiency, makes the inside thin oil's of bearing liquid level highly be less than at half of bearing diameter, reduces the temperature rise of bearing under the circumstances of guaranteeing the good maintenance of bearing, collects the metal piece in the bearing, prolongs the life of bearing.
Description
Technical Field
The invention relates to the field of vibrating screens, in particular to a discrete multi-axis horizontal elliptic screen.
Background
The common characteristics of the conventional large-scale vibration screening equipment are that the common large-scale circular vibration screening, the equal-thickness banana screening and the like are that the required installation space is large, especially the height space, the screening effect of the screening equipment is affected, in order to improve the screening effect, the length of the lengthened vibration screening is adopted by a general mechanical factory to improve the screening efficiency, and the screening equipment is larger due to the reasons, so that the manpower, material resources and resource energy waste are caused.
In the prior art center, the designed horizontal elliptic screen is an intensive vibrating screen, the stress of a screen box of the vibrating screen is relatively concentrated, and a main transmission power mechanism also participates in vibration, so that the phenomena of gear damage, bearing heating and the like can occur frequently in the long-time working process, and a lot of unnecessary troubles are brought to the actual production on site. In order to solve the problems, a discrete multi-shaft strong vibration horizontal elliptic screen is specially designed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a discrete multi-shaft horizontal elliptic screen, wherein vibration exciter combinations are arranged at large intervals by multiple shafts, so that the forces formed by a plurality of groups of vibration exciters are uniformly distributed on a vibrating screen, so that the vibrating screen moves in an elliptic track, thereby driving materials on the vibrating screen to do elliptic motion, improving screening efficiency, enabling the liquid level of thin oil in a bearing to be less than half of the diameter of the bearing, reducing the temperature rise of the bearing under the condition of ensuring good maintenance of the bearing, collecting metal fragments in the bearing, and prolonging the service life of the bearing.
Technical proposal
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a discrete multi-axis horizontal elliptical screen comprising:
the three asynchronous motors are connected with an end forced driving device through a V-belt, a motor belt pulley and a large belt pulley;
the end forced driving device is connected with a plurality of universal transmission mechanisms, and the end forced driving device adopts an integral driving device or a scattered driving device which is connected by a coupling to form integral driving force;
the universal transmission mechanisms are connected with a first group of vibration exciter combinations, a second group of vibration exciter combinations and a third group of vibration exciter combinations through bearings, the universal transmission mechanisms drive the first group of vibration exciter combinations, the second group of vibration exciter combinations and the third group of vibration exciter combinations to rotate, and the first group of vibration exciter combinations, the second group of vibration exciter combinations and the third group of vibration exciter combinations are provided with two vibration exciters which are connected through universal transmission shafts;
the three asynchronous motors drag the first group of vibration exciter combinations, the second group of vibration exciter combinations and the third group of vibration exciter combinations, so that the screen mesh is driven to do elliptical motion, the outer side of the screen mesh is connected with a screen frame, and the lower parts of the two sides of the screen box are connected with supporting legs through springs.
In a further embodiment, the motor belt wheel is connected with the large belt wheel through a triangular belt, and the output ends of the three asynchronous motors sequentially drive the motor belt wheel, the triangular belt, the large belt wheel and the universal transmission mechanism.
In a further embodiment, further comprising: the hydraulic control device is arranged to enable the thin oil liquid level in the bearing to be smaller than half of the diameter of the bearing;
the hydraulic control device comprises:
the liquid storage box is connected with the side face of the top of the bearing through a first connecting plate, the bottom of the liquid storage box is connected with a liquid outlet pipe, the liquid storage box is placed on a supporting plate, and the supporting plate is connected with the side face of the middle of the bearing;
the liquid outlet pipe penetrates through the supporting plate, and a baffle is arranged in the liquid outlet pipe;
the side surface of the baffle is connected with the inner wall of the liquid outlet pipe;
the bottom of the baffle is provided with a plurality of holes, and the top wall of each hole is connected with a bottom plate through a spring;
a plurality of vertical plates are equidistantly distributed at the edge of the bottom plate in the direction of a virtual circle, and a limiting piece is arranged right below each bottom plate;
the liquid storage box is characterized in that the limiting piece is connected with a sealing piece, a sealing ring is connected to the side face of the lower portion of the sealing piece, the sealing piece is placed on the connecting plate, one side, away from the axis of the sealing piece, of the connecting plate is connected with the inner wall of the liquid outlet pipe, the top of the connecting plate is connected with a limiting rod, and the limiting rod sequentially penetrates through the sealing piece, the baffle and is connected with the top wall of the liquid storage box.
In a further embodiment, the diameter of the liquid outlet pipe is smaller than the width of the liquid outlet pipe, the height of the liquid outlet pipe is larger than the height of the liquid storage box, and the heights of the liquid outlet pipe and the liquid storage box are equal to the diameter of the bearing.
In a further embodiment, the baffle is an annular plate, the seal is in the shape of a circular truncated cone, the diameter of the top of the seal is smaller than the inner diameter of the baffle, the diameter of the top of the seal is larger than the inner diameter of the baffle, the seal can move along the longitudinal axis of the baffle under the action of buoyancy, and when the seal is in sealing connection with the baffle, the top of the seal is located below the transverse axis of the bearing.
In a further embodiment, the sealing ring is made of elastic material, and the outer diameter of the sealing ring is larger than the inner diameter of the baffle.
In a further embodiment, the limiting member has a cylindrical structure with vertical holes, and the liquid can flow out from the bottom of the limiting member.
In a further embodiment, further comprising: a filtering device configured to collect metal debris in the bearing and to regulate a temperature in the bearing;
the filtering device includes:
the inner wall of the upper and lower both sides of connecting pipe one end is connected with the filter through first heat-conducting plate, the other end intercommunication of connecting pipe has the dirty box of storage, first pore has been seted up to the bottom of dirty box one side of storage, the second pore has been seted up to one side that the dirty box of storage is close to the bearing, the dirty box of storage is linked together with the drain pipe through the second pore, the dirty box inner wall of storage is connected with two guide rails, two the one side that the guide rail is close to is connected through two second connecting plates, two the height of second connecting plates is the same with the opening height of guide rail, a second connecting plate is located same horizontal plane with guide rail open-ended top, another second connecting plate is located same horizontal plane with guide rail open-ended bottom, the internally connected with the sealing strip of guide rail, be provided with the slider in the sealing strip, the one end of guide rail is connected with the limiting plate, the both sides that the one end was kept away from to the slider is connected with the stopper, the slider passes the limiting plate and slides with the sealing strip, the inner wall of bearing is connected with the second heat-conducting plate, second heat-conducting plate and the bearing is worn out with the opening of the guide rail, the filter plate and the guide plate is provided with the inlet.
In a further embodiment, the connecting pipe and the dirt storage box are both made of heat conducting materials, the thickness of the plug sheet is reduced along the longitudinal axial direction of the sliding block, the distance between the thin ends of the two plug sheets is smaller than the length of the limiting plate, and the distance between the thick ends of the two plug sheets is larger than the length of the limiting plate.
Advantageous effects
The invention provides a discrete multi-axis horizontal elliptical screen. Compared with the prior art, the method has the following beneficial effects:
1. the vibration exciter assemblies are arranged at large intervals through multiple shafts, so that the force formed by the vibration exciter assemblies is uniformly distributed on the vibrating screen, the vibration exciter assemblies of the first group and the vibration exciter assemblies of the third group synchronously rotate clockwise, the vibration exciter assemblies of the second group rotate anticlockwise, the phase angles of the vibration exciter assemblies of the first group and the vibration exciter assemblies of the third group are consistent, the phase angles of the vibration exciter assemblies of the second group are clockwise selected and installed at 90-110 degrees relative to the phase angles of the vibration exciter assemblies of the first group, the vibrating screen moves in an elliptical track, and the screening efficiency is improved.
2. Through the hydraulic control device, the liquid level of the thin oil in the bearing is regulated and controlled by utilizing buoyancy, so that the liquid level of the thin oil in the bearing is smaller than half of the diameter of the bearing, the temperature rise of the bearing is reduced under the condition of ensuring good maintenance of the bearing, metal scraps in the bearing are collected, and the service life of the bearing is prolonged.
3. The filter device facilitates the collection and treatment of the scraps, and the temperature of the solution in the bearing can be reduced through heat transfer while the scraps are collected.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a rear perspective view of the present invention.
Fig. 3 is a left side perspective view.
Fig. 4 is a top perspective view.
Fig. 5 is a schematic structural view of a portion of the bearing.
Fig. 6 is a schematic view of the bearing of fig. 5 with the cover removed.
Fig. 7 is an exploded view of fig. 6.
Fig. 8 is a schematic view of the structure of fig. 7 with the bearing removed.
Fig. 9 is a schematic structural view of the hydraulic control device and the filtering device.
Fig. 10 is a schematic structural diagram of the hydraulic control device.
Fig. 11 is an exploded view of the hydraulic control device.
Fig. 12 is a schematic view of the structure of the baffle and seal.
Fig. 13 is an exploded view of fig. 12 and a front cross-sectional view of a seal.
Fig. 14 is an exploded view of the filter device.
Fig. 15 is an exploded view of the portion of the rail and slider.
Fig. 16 is a schematic structural view of the plug and the limiting plate.
The reference numerals in the figures are:
1 screen frame, 2 screen mesh, 3 damping springs and 4 support legs;
the device comprises a 51 three-phase asynchronous motor, a 52 motor belt wheel, a 53V-belt, a 54 large belt wheel, a 55 universal transmission mechanism, a 56 first group of vibration exciter combinations, a 57 second group of vibration exciter combinations, a 58 third group of vibration exciter combinations, a 59 end forced driving device and a 6 limiting rod;
7 hydraulic control device, 71 liquid storage box, 72 first connecting plate, 73 liquid outlet pipe, 74 baffle, 75 sealing element, 76 spring, 77 vertical plate, 78 bottom plate and 79 limiting element;
81 supporting plates, 82 sealing plugs, 83 holes, 84 first connecting plates, 85 sealing rings, 86 first pore passages, 87 second pore passages, 88 second connecting plates and 89 limiting plates;
9 filter device, 91 connecting pipe, 92 first heat-conducting plate, 93 filter, 94 dirt storage box, 95 handle, 96 guide rail, 97 sealing strip, 98 slider, 99 stopper, 10 bearing, 11 inlet, 12 second heat-conducting plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the application solves the problems that a discrete multi-shaft horizontal elliptical screen is an intensive vibrating screen, a vibrating screen box is relatively concentrated in stress and mainly transmits power mechanisms to participate in vibration, gear damage and bearing heating and the like frequently occur in a long-time working process, and when the vibration screen is used, the vibration screen is enabled to do elliptical track movement, so that materials on the vibration screen are driven to do elliptical movement, abrasion of gears is reduced, and bearing heating is reduced.
In the prior art, in the use process of the bearing, steel balls in the bearing are continuously rubbed with a bearing sleeve, and particularly under the condition that the thin oil quantity in the bearing is not in accordance with the specification, the oxidation resistance of the steel balls and the inner wall of the bearing is weakened, metal fragments are easy to generate, the friction resistance in the moving process of the steel balls can be increased by the metal fragments, the abrasion degree of the steel balls and the inner wall of the bearing is increased, and the service lives of the steel balls and the bearing are reduced;
in the prior art, a sealed bearing is mostly used for a horizontal elliptic screen, a certain amount of thin oil is added into the sealed bearing in order to improve the high-temperature oxidation resistance of the bearing, delay the aging of the bearing, reduce the accumulation of dissolved carbon in the bearing and prevent metal chips and oil collection, but after the thin oil exceeds fifty percent of the inner space of the bearing, the temperature rise of the sealed bearing is higher than that of an open bearing, and in the use process of the multi-shaft horizontal elliptic screen, the thin oil is quite common in a short period, but a worker can hardly accurately add the certain amount of thin oil, and the amount of the thin oil which is generally added exceeds fifty percent of the inner space of the bearing; and when the thin oil is replaced for the sealed bearing each time, the bearing needs to be opened, the thin oil is added, the work is complex, and the sealing performance of the bearing can be affected.
The technical scheme in the embodiment of the application aims to solve the technical problems, and the overall thought is as follows: the vibration exciter combination is arranged at a large distance through multiple shafts, so that the force formed by a plurality of groups of vibration exciters is uniformly distributed on the vibrating screen, the first group of vibration exciters and the third group of vibration exciters synchronously rotate clockwise, the second group of vibration exciters synchronously rotate anticlockwise, the phase angles of the first group of vibration exciters and the third group of vibration exciters are consistent, the phase angles of the second group of vibration exciters during assembly are 90-110 degrees clockwise relative to the first group of vibration exciters, the vibration screen can finally move in an elliptical track through force synthesis, materials on the vibration screen are driven to move in an elliptical mode, screening efficiency is improved, the liquid level of thin oil inside the bearing is regulated and controlled through a buoyancy device, the liquid level of the thin oil inside the bearing is smaller than half of the diameter of the bearing, temperature rise of the bearing is reduced under the condition of ensuring good maintenance of the bearing, metal chips inside the bearing are collected, the service life of the bearing is prolonged, the chips are convenient to collect and process, and meanwhile the temperature of the solution inside the bearing can be reduced through heat transfer.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1-16, a discrete multi-axis horizontal elliptical screen comprising:
three asynchronous motors, which are provided with an end forced driving device 59 connected with a V-belt 53, a motor belt pulley 52 and a large belt pulley 54;
the end forced driving device 59 is connected with a plurality of universal transmission mechanisms 55, and the end forced driving device 59 adopts an integral driving device or a dispersed driving device to form integral driving force through a coupling connection;
the universal transmission mechanism 55 is connected with a first group of vibration exciter combination 56, a second group of vibration exciter combination 57 and a third group of vibration exciter combination 58 through bearings 10, the universal transmission mechanism 55 drives the first group of vibration exciter combination 56, the second group of vibration exciter combination 57 and the third group of vibration exciter combination 58 to rotate, and the first group of vibration exciter combination 56, the second group of vibration exciter combination 57 and the third group of vibration exciter combination 58 are respectively provided with two vibration exciters which are connected through universal transmission shafts;
the multi-shaft driving improves the stress state of the screen frame 1, reduces the load of a single bearing 10, ensures that the stress of the side plates is uniform, reduces stress concentration points, improves the stress condition of the screen frame 1, improves the reliability and service life of the screen machine, and lays a theoretical foundation for the large-scale of the screen machine
The three asynchronous motors drag the first group of vibration exciter assemblies 56, the second group of vibration exciter assemblies 57 and the third group of vibration exciter assemblies 58 so as to drive the screen 2 to do elliptical motion, the outer side of the screen 2 is connected with the screen frame 1, and the lower parts of the two sides of the screen box are connected with the supporting legs 4 through springs 76.
The first group of vibration exciter combination 58 and the third group of vibration exciter combination 58 synchronously rotate clockwise, the second group of vibration exciter combination 57 rotates anticlockwise, wherein the phase angles of the first group of vibration exciter combination 58 and the third group of vibration exciter combination 58 are consistent, and the phase angle of the second group of vibration exciter combination 57 is 90-110 degrees clockwise relative to the first group of vibration exciter combination;
after the multiple groups of vibration exciters are installed, vibration exciter combinations are arranged at large intervals through multiple shafts, so that the force formed by the multiple groups of vibration exciters is uniformly distributed on the vibrating screen, the vibrating screen can move in an elliptical track, and therefore materials on the vibrating screen are driven to move in an elliptical track, and screening efficiency is improved;
the output of the elliptical vibrating screen can be improved by 1.3-2 times with the same screening area; the multi-shaft driving enables the sieving machine to generate ideal elliptical motion, has the advantages of a circular vibrating sieve and a linear vibrating sieve, has adjustable elliptical track and amplitude, can select a vibrating track according to actual material conditions, and has more advantages for materials difficult to sieve; the multi-shaft driving forced synchronous excitation can ensure that the screen machine obtains a stable working state, and is particularly beneficial to screening with high required treatment capacity
In a further embodiment, the motor belt wheel 52 is connected with the large belt wheel 54 through the V-belt 53, and the output ends of the three asynchronous motors drive the motor belt wheel 52, the V-belt 53, the large belt wheel 54 and the universal transmission mechanism 55 in sequence.
The three asynchronous motors, the universal transmission mechanism 55, the first group of vibration exciter assemblies 56, the second group of vibration exciter assemblies 57 and the third group of vibration exciter assemblies 58 are all horizontally arranged;
through horizontal installation, the height of the unit is effectively reduced, and the requirements of large and medium-sized mobile screening units can be well met;
in a further embodiment, further comprising: a hydraulic control device 7 arranged such that the thin oil level inside the bearing 10 is less than half the diameter of the bearing 10;
the hydraulic control device 7 includes:
the liquid storage box 71, the liquid storage box 71 is connected with the side surface of the top of the bearing 10 through a first connecting plate 8472, the bottom of the liquid storage box 71 is connected with a liquid outlet pipe 73, the liquid storage box 71 is placed on a supporting plate 81, and the supporting plate 81 is connected with the side surface of the middle of the bearing 10;
the liquid outlet pipe 73 passes through the supporting plate 81, and a baffle 74 is arranged inside the liquid outlet pipe 73;
the side surface of the baffle plate 74 is connected with the inner wall of the liquid outlet pipe 73;
the bottom of the baffle plate 74 is provided with a plurality of holes 83, and the top wall of each hole 83 is connected with a bottom plate 78 through a spring 76;
a plurality of vertical plates 77 are equidistantly distributed at the edge of the bottom plate 78 in the direction of a virtual circle, and a limiting member 79 is arranged right below each bottom plate 78;
the limiting piece 79 is connected with a sealing piece 75, a sealing ring 85 is connected to the side face of the lower portion of the sealing piece 75, the sealing piece 75 is placed on a connecting plate, one side, far away from the axis of the sealing piece 75, of the connecting plate is connected with the inner wall of the liquid outlet pipe 73, the top of the connecting plate is connected with a limiting rod 6, and the limiting rod 6 sequentially penetrates through the sealing piece 75, the baffle 74 and is connected with the top wall of the liquid storage box 71.
In a further embodiment, the diameter of the liquid outlet pipe 73 is smaller than the width of the liquid outlet pipe 73, the height of the liquid outlet pipe 73 is larger than the height of the liquid storage box 71, and the heights of the liquid outlet pipe 73 and the liquid storage box 71 are equal to the diameter of the bearing 10.
In a further embodiment, the baffle 74 is an annular plate, the seal 75 is a circular truncated cone, the diameter of the top of the seal 75 is smaller than the inner diameter of the baffle 74, the diameter of the top of the seal 75 is larger than the inner diameter of the baffle 74, the seal 75 can move along the longitudinal axis of the baffle 74 under the action of buoyancy, and when the seal 75 is in sealing connection with the baffle 74, the top of the seal 75 is located below the transverse axis of the bearing 10.
When the sealing element 75 is in sealing connection with the baffle 74, the top of the sealing element 75 is close to the transverse axis of the bearing 10, the liquid outlet pipe 73 is communicated with the bearing 10, and the liquid level of the liquid outlet pipe 73 is the same as the liquid level in the bearing 10 as known from the U-shaped hydraulic pipe;
the thin oil in the liquid storage box 71 continuously flows into the liquid outlet pipe 73 and the bearing 10, the liquid level in the liquid outlet pipe 73 rises, the sealing piece 75 rises under the action of buoyancy, and through the limit of the baffle plate 74, when the sealing piece 75 enters the baffle plate 74 and seals the baffle plate 74, the liquid level in the liquid outlet pipe 73 is close to the transverse axis of the bearing 10 but is not close to the transverse axis of the bearing 10, so that the liquid level in the bearing 10 is close to the height of the transverse axis of the bearing 10 but is less than the height of the transverse axis, and the thin oil in the bearing 10 is less than fifty percent of the inner space of the bearing 10;
in a further embodiment, the seal ring 85 is made of an elastic material, and the outer diameter of the seal ring 85 is larger than the inner diameter of the baffle 74.
The sealing ring 85 is a rubber ring, has good sealing performance, and is extruded and deformed after contacting the inner wall of the baffle 74, so that the sealing ring 85 is ensured to be in close contact with the inner wall of the baffle 74, and the sealing effect is improved.
In a further embodiment, the limiting member 79 has a cylindrical structure with a vertical hole 83, and the liquid can flow out from the bottom of the limiting member 79.
The inner diameter of the limiting member 79 is larger than the diameter of the bottom plate 78, the limiting member 79 moves upwards, the bottom plate 78 goes deep into the limiting member 79, the spring 76 is compressed, the limiting member 79 continues to move upwards along with the sealing member 75 and enters the hole 83, and when the sealing member 75 is in sealing connection with the baffle plate 74, the limiting member 79 is fully inserted into the hole 83;
along with the decrease of thin oil in the bearing 10, the liquid level of the liquid outlet pipe 73 also decreases along with the decrease of the thin oil in the bearing 10, at this time, the thin oil in the bearing 10 is lower than fifty percent of the inner space of the bearing 10 and continuously decreases, so that the friction loss of the bearing 10 is increased, the thin oil needs to be timely supplemented to the bearing 10, the thin oil has a certain viscosity, the sealing element 75 and the sealing plate are tightly connected, when the liquid level changes less, the quick response is difficult, and the spring 76 is required to restore the original state, the quick response can be performed on the decrease of the liquid level through the elasticity of the spring 76, and the sealing element 75 is pushed out from the sealing plate, so that the delay time is shortened;
in a further embodiment, further comprising: a filtering device 9 arranged to collect metal debris inside the bearing 10 and to regulate the temperature inside the bearing 10;
the filtering device 9 comprises:
the connecting pipe 91, the inner wall of the upper and lower both sides of connecting pipe 91 one end is connected with filter 93 through first heat-conducting plate 92, the other end intercommunication of connecting pipe 91 has a dirt storage box 94, first pore 86 has been seted up to the bottom of dirt storage box 94 one side, the second pore 87 has been seted up to one side that dirt storage box 94 is close to bearing 10, dirt storage box 94 is linked together through second pore 87 and drain pipe 73, dirt storage box 94 inner wall is connected with two guide rails 96, two the side that guide rails 96 are close to is connected through two second connecting plates 88, two the height of second connecting plates 88 is the same with the opening height of guide rails 96, one second connecting plates 88 is located same horizontal plane with the open-ended top of guide rails 96, another second connecting plates 88 is located same horizontal plane with the open-ended bottom of guide rails 96, the inside of guide rails 96 is connected with sealing strip 97, be provided with slider 98 in the guide rails 97, the one end of guide rails 96 is connected with limiting plate 89, slider 98 keeps away from the both sides of one end of bearing 10 and is connected with slider plate 99, two the height of guide rails 96 is the opening of guide rails 98 is the same with the opening of guide rails 96, the opening of guide rails 12, the second connecting plates 88 and the opening is provided with the sealing strip 11 and the sealing strip 11 is located at the opening of the first heat-conducting plate 11.
The slide block 98 may be made of metal, and the upper layer of the slide block 98 may be a magnet layer;
in a further embodiment, the connecting pipe 91 and the dirt storage box 94 are made of heat conductive materials, the thickness of the plug 99 is reduced along the longitudinal axial direction of the slider 98, the distance between the thin ends of the two plug 99 is smaller than the length of the limiting plate 89, and the distance between the thick ends of the two plug 99 is larger than the length of the limiting plate 89.
When the slide block 98 moves along the longitudinal axis direction of the limiting plate 89, the thick end of the plug piece 99 continuously penetrates into the gap between the limiting plate 89 and the slide block 98, so that the fixing of the slide block 98 and the limiting plate 89 is completed rapidly;
in the use process, the vibration exciter assemblies are arranged at large intervals through multiple shafts, so that the force formed by a plurality of groups of vibration exciters is uniformly distributed on the vibrating screen, the first group of vibration exciter assemblies 58 and the third group of vibration exciter assemblies 58 synchronously rotate clockwise, the second group of vibration exciter assemblies 57 rotate anticlockwise, the first group of vibration exciter assemblies 58 and the third group of vibration exciter assemblies 58 are consistent in optional phase angle, the second group of vibration exciter assemblies 57 are installed at 90-110 degrees clockwise relative to the first group of vibration exciter assemblies, and finally the vibrating screen can move in an elliptical track through force synthesis, so that materials on the vibrating screen are driven to move in an elliptical manner;
the thin oil in the liquid storage box 71 continuously flows into the liquid outlet pipe 73 and the bearing 10, the liquid level in the liquid outlet pipe 73 rises, the sealing piece 75 rises under the action of buoyancy, and the sealing piece 75 enters the baffle 74 and seals the baffle 74 through the limit of the baffle 74, so that the liquid level in the liquid outlet pipe 73 is close to the transverse axis of the bearing 10, and the thin oil in the bearing 10 is less than fifty percent of the internal space of the bearing 10;
the limiting member 79 moves upward, the bottom plate 78 goes deep into the limiting member 79, the spring 76 compresses, the limiting member 79 continues to move upward with the sealing member 75 and enters the hole 83, and when the sealing member 75 is in sealing connection with the baffle plate 74, the limiting member 79 is fully inserted into the hole 83;
along with the decrease of thin oil in the bearing 10, the liquid level of the liquid outlet pipe 73 also decreases along with the decrease of the thin oil in the bearing 10, at this time, the thin oil in the bearing 10 is lower than fifty percent of the inner space of the bearing 10 and continuously decreases, so that the friction loss of the bearing 10 is increased, the thin oil needs to be timely supplemented to the bearing 10, the thin oil has a certain viscosity, the sealing element 75 and the sealing plate are tightly connected, when the liquid level changes less, the quick response is difficult, and the spring 76 is required to restore the original state, the quick response can be performed on the decrease of the liquid level through the elasticity of the spring 76, and the sealing element 75 is pushed out from the sealing plate, so that the delay time is shortened;
the liquid in the bearing 10 turns up and down under the drive of the steel ball, so that the liquid level in the bearing 10 is different from the liquid level in the liquid outlet pipe 73, the thin oil in the bearing 10 and the thin oil in the liquid outlet pipe 73 are exchanged, the movement of the thin oil is increased, when the thin oil in the bearing 10 moves, the scraps in the bearing 10 can be driven to a filter plate, the filter holes 83 on the filter plate only can allow scraps to pass through, the scraps enter the sewage storage box 94 through the downwards bent connecting pipe 91, and the scraps are deposited at the bottom of the sewage storage box 94 under the action of gravity;
the handle is pulled outwards, the slide block 98 is completely drawn out, and the scraps also completely flow out along with the thin oil, so that the cleaning is convenient.
In summary, compared with the prior art, the method has the following beneficial effects: make the shale shaker do elliptical orbit's motion to drive the material on the shale shaker and do elliptical motion, promote screening efficiency, adjust and control the liquid level of the inside thin oil of bearing 10 through buoyancy device, make the liquid level of the inside thin oil of bearing 10 be less than at half of bearing 10 diameter, reduce the temperature rise of bearing 10 under the circumstances of guaranteeing the good maintenance of bearing 10, collect the metal chip in the bearing 10, prolong the life of bearing 10, and the piece is convenient for collect and handle, when collecting the piece, also accessible heat transfer reduces the temperature of the inside solution of bearing 10.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A discrete multi-axis horizontal elliptical screen, characterized by: comprising the following steps:
three asynchronous motors, which are connected with an end forced driving device (59) through a V-belt (53), a motor belt wheel (52) and a large belt wheel (54);
the end forced driving device (59) is connected with a plurality of universal transmission mechanisms (55), and the end forced driving device (59) adopts an integral driving device or a dispersed driving device to form integral driving force through a coupling;
the universal transmission mechanisms (55) are connected with a first group of vibration exciter combinations (56), a second group of vibration exciter combinations (57) and a third group of vibration exciter combinations (58) through bearings (10), the universal transmission mechanisms (55) drive the first group of vibration exciter combinations (56), the second group of vibration exciter combinations (57) and the third group of vibration exciter combinations (58) to rotate, and the first group of vibration exciter combinations (56), the second group of vibration exciter combinations (57) and the third group of vibration exciter combinations (58) are respectively provided with two vibration exciters, and the same group of vibration exciters are connected through universal transmission shafts;
the three asynchronous motors drag the first group of vibration exciter assemblies (56), the second group of vibration exciter assemblies (57) and the third group of vibration exciter assemblies (58) so as to drive the screen (2) to do elliptical motion, the outer side of the screen (2) is connected with the screen frame (1), and the lower parts of the two sides of the screen box are connected with the supporting legs (4) through springs (76);
a hydraulic control device (7) which is arranged to make the thin oil level inside the bearing (10) less than half the diameter of the bearing (10);
the hydraulic control device (7) comprises:
the liquid storage box (71), the liquid storage box (71) is connected with the side face of the top of the bearing (10) through a first connecting plate (84) (72), the bottom of the liquid storage box (71) is connected with a liquid outlet pipe (73), the liquid storage box (71) is placed on a supporting plate (81), and the supporting plate (81) is connected with the side face of the middle part of the bearing (10);
the liquid outlet pipe (73) penetrates through the supporting plate (81), and a baffle plate (74) is arranged in the liquid outlet pipe (73);
the side surface of the baffle plate (74) is connected with the inner wall of the liquid outlet pipe (73);
the bottom of the baffle plate (74) is provided with a plurality of holes (83), and the top wall of each hole (83) is connected with a bottom plate (78) through a spring (76);
a plurality of vertical plates (77) are equidistantly distributed at the edge of the bottom plate (78) in the direction of a virtual circle, and a limiting piece (79) is arranged right below each bottom plate (78);
the liquid storage box is characterized in that the limiting piece (79) is connected with a sealing piece (75), a sealing ring (85) is connected to the side face of the lower portion of the sealing piece (75), the sealing piece (75) is placed on the connecting plate, one side, far away from the axis of the sealing piece (75), of the connecting plate is connected with the inner wall of the liquid outlet pipe (73), the top of the connecting plate is connected with a limiting rod (6), and the limiting rod (6) sequentially penetrates through the sealing piece (75), the baffle plate (74) and is connected with the top wall of the liquid storage box (71).
2. A discrete multi-axis horizontal oval screen according to claim 1, wherein: the motor belt wheel (52) is connected with the large belt wheel (54) through the triangular belt (53), and the output ends of the three asynchronous motors sequentially drive the motor belt wheel (52), the triangular belt (53), the large belt wheel (54) and the universal transmission mechanism (55).
3. A discrete multi-axis horizontal oval screen according to claim 1, wherein: the diameter of the liquid outlet pipe (73) is smaller than the width of the liquid outlet pipe (73), the height of the liquid outlet pipe (73) is larger than the height of the liquid storage box (71), and the heights of the liquid outlet pipe (73) and the liquid storage box (71) are equal to the diameter of the bearing (10).
4. A discrete multi-axis horizontal oval screen according to claim 1, wherein: the baffle (74) is the annular plate, sealing member (75) is round platform shape, the diameter at sealing member (75) top is less than the internal diameter of baffle (74), the diameter at sealing member (75) top is greater than the internal diameter of baffle (74), sealing member (75) can follow the longitudinal axis motion of baffle (74) under the effect of buoyancy, works as sealing member (75) and baffle (74) sealing connection, the top of sealing member (75) is located the below of bearing (10) transverse axis.
5. A discrete multi-axis horizontal oval screen according to claim 1, wherein: the sealing ring (85) is made of elastic materials, and the outer diameter of the sealing ring (85) is larger than the inner diameter of the baffle plate (74).
6. A discrete multi-axis horizontal oval screen according to claim 1, wherein: the limiting piece (79) is of a cylindrical structure provided with a vertical hole (83), and liquid flows out from the bottom of the limiting piece (79).
7. A discrete multi-axis horizontal oval screen according to claim 1, wherein: further comprises: -a filtering device (9) arranged to collect metal debris inside the bearing (10) and to regulate the temperature inside the bearing (10);
the filtering device (9) comprises:
the connecting pipe (91), the inner wall of the upper and lower both sides of connecting pipe (91) one end is connected with filter (93) through first heat-conducting plate (92), the other end intercommunication of connecting pipe (91) has dirt storage box (94), first pore canal (86) have been seted up to the bottom of dirt storage box (94) one side, second pore canal (87) have been seted up to the one side that dirt storage box (94) is close to bearing (10), dirt storage box (94) are linked together with drain pipe (73) through second pore canal (87), dirt storage box (94) inner wall is connected with two guide rails (96), two one side that guide rails (96) are close to is connected through two second connecting plates (88), two the second connecting plates (88) highly the same with the opening height of guide rails (96), one second connecting plate (88) are located same horizontal plane with the open top of guide rails (96), and another second connecting plate (88) are located same horizontal plane with the open bottom of guide rails (96), the inside connection of guide rails (96) has two guide rails (97), one end (98) are kept away from in the slider (98), the sliding block (98) penetrates through the limiting plate (89) and is in sliding connection with the sealing strip (97), a second heat-conducting plate (12) is connected to the inner wall of the bearing (10), a liquid inlet (11) is formed in the second heat-conducting plate (12) and the bearing (10) in a penetrating mode, and the filter plate is arranged at the liquid inlet (11).
8. A discrete multi-axis horizontal oval screen as set forth in claim 7, wherein: the connecting pipe (91) and the dirt storage box (94) are made of heat conducting materials, the thickness of the plug sheet (99) is reduced along the longitudinal axial direction of the sliding block (98), the distance between the thin ends of the two plug sheets (99) is smaller than the length of the limiting plate (89), and the distance between the thick ends of the two plug sheets (99) is larger than the length of the limiting plate (89).
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| CN202311297549.7A CN117046713B (en) | 2023-10-09 | 2023-10-09 | Discrete multi-shaft horizontal elliptic screen |
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| CN202311297549.7A CN117046713B (en) | 2023-10-09 | 2023-10-09 | Discrete multi-shaft horizontal elliptic screen |
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| CN117046713A (en) | 2023-11-14 |
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