CN218787297U - Rotary speed reducer and heliostat - Google Patents
Rotary speed reducer and heliostat Download PDFInfo
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- CN218787297U CN218787297U CN202222884299.4U CN202222884299U CN218787297U CN 218787297 U CN218787297 U CN 218787297U CN 202222884299 U CN202222884299 U CN 202222884299U CN 218787297 U CN218787297 U CN 218787297U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
Abstract
The utility model provides a rotary speed reducer and heliostat, rotary speed reducer includes: a first component; the second assembly is concentrically covered on the outer side of the first assembly, and the first assembly is connected with the second assembly through a rolling bearing; the driving module is used for driving the first assembly or the second assembly to enable the first assembly and the second assembly to rotate relatively; an adjustment module configured to enable adjustment of a preload of the rolling bearing without disassembly of the slew reducer. The utility model provides a rotary speed reducer can be after long-term operation, under the condition that need not disassemble rotary speed reducer, realizes adjusting rotary speed reducer's antifriction bearing's pretightning force, makes rotary speed reducer's rigidity remain at high level throughout, and does not influence the operation of heliostat when rotary speed reducer's rigidity is adjusted.
Description
Technical Field
The utility model relates to a rotary speed reducer technical field specifically relates to a rotary speed reducer and heliostat.
Background
The rotary speed reducer is a common rotary driving mechanism in the mechanical field, two components which can rotate relatively are generally connected through a rolling bearing in the conventional rotary speed reducer, and the rolling bearing can be worn and generate a gap after long-term operation, so that the rotary speed reducer obviously shakes during operation to influence the running stability of the rotary speed reducer.
The heliostat in the tower type solar thermal power generation realizes the function of gathering sunlight on the heat absorber, and generates high-temperature and high-pressure steam by heating a heat absorption or heat storage working medium in the heat absorber so as to drive a steam turbine to generate power. Because the position of the sun changes continuously in one day, correspondingly, the azimuth angle and the pitch angle of the reflecting surface of the heliostat are adjusted by the heliostat according to the change of the position of the sun, so that the reflected light can always emit to the heat absorber on the tower top without the deviation of the light, and the sun-following movement of the heliostat is realized.
The sun tracking function of the heliostat is realized by the rotation of the pitch angle and the azimuth angle of the reflecting surface. When the reflecting surface that adopts the rotation speed reducer drive heliostat carries out the corner adjustment, in order to satisfy the high accuracy operation of following the sun of heliostat under operating mode condition, the rotation speed reducer not only has very high transmission precision, still need to have very high structural rigidity, can guarantee the stability of heliostat under the wind-load condition work, current rotation speed reducer is in the use, antifriction bearing wherein after long-term operation, can take place wearing and tearing, can produce the condition that the rigidity reduces, and the amplitude of rocking when the rotation speed reducer rigidity reduces and can make the heliostat receive the wind load grow, make the facula offset surpass the designing requirement, can't satisfy the high accuracy operation of following the sun of heliostat.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a rotary speed reducer and heliostat, the utility model provides a rotary speed reducer can be after long-term operation, under the condition that need not disassemble rotary speed reducer, realize adjusting rotary speed reducer's antifriction bearing's pretightning force, make rotary speed reducer's rigidity remain throughout at high water level, and do not influence the operation of heliostat when rotary speed reducer's rigidity is adjusted.
The utility model discloses the first aspect provides a rotary speed reducer, include:
a first component;
the second assembly is concentrically covered on the outer side of the first assembly, and the first assembly is connected with the second assembly through a rolling bearing;
the driving module is used for driving the first assembly or the second assembly to enable the first assembly and the second assembly to rotate relatively;
an adjustment module configured to enable adjustment of a preload of the rolling bearing without disassembly of the slew reducer.
In an embodiment of the present invention, the adjusting module includes:
the external thread is arranged on the outer wall of the first assembly;
the adjusting piece is provided with a threaded hole matched with the external thread, and one surface of the adjusting piece facing the rolling bearing is in contact with the axial end face of the rolling bearing;
a connection module for selectively drivingly connecting or disconnecting the adjustment member to the second component;
when the adjusting piece is in transmission connection with the second assembly, the driving module drives the first assembly or the second assembly to drive the adjusting piece to move towards or away from the rolling bearing along the external thread so as to adjust the pretightening force of the rolling bearing.
The utility model discloses an in an embodiment, connection module is provided with at least two, connection module follows the circumference evenly distributed of regulating part.
In an embodiment of the present invention, at least one portion of the connection module is detachable and limited on the second component, and at least another portion of the connection module is detachable and limited on the adjusting member.
In an embodiment of the present invention, the connection module includes:
the transmission piece fixing part is arranged on the axial outer side wall of the adjusting piece;
the through hole is formed in the side wall of the second component and corresponds to the position of the transmission piece fixing part;
at least one part of the transmission piece is detachably limited in the through hole, and at least another part of the transmission piece penetrates through the through hole to be detachably limited on the transmission piece retaining part.
In an embodiment of the present invention, the connection module further includes a sealing member, and the sealing member is used for sealing the through hole when the transmission connection is released between the adjusting member and the second component.
The utility model discloses an in one embodiment, driving medium solid portion is for seting up in recess on the axial lateral wall of regulating part, the driving medium is the fixed pin, fixed pin one end card in the through-hole, the fixed pin other end passes the through-hole card in the recess.
In an embodiment of the present invention, the adjusting member is a round nut.
In an embodiment of the present invention, the second component is a box body;
the second assembly comprises a base, a worm wheel and a worm, the worm wheel is fixedly arranged on the base, two ends of the worm are connected to the box body through bearings, and the worm is in meshing transmission with the worm wheel;
the driving module is in transmission connection with the worm, and the worm performs circular motion around the periphery of the worm wheel or the worm drives the worm wheel to rotate around the central axis of the worm wheel.
In an embodiment of the present invention, the rolling bearing is a ball bearing or a roller bearing.
In an embodiment of the present invention, the rotary speed reducer further includes a shake limiting module configured to limit a relative shake amount between the first component and the second component.
In an embodiment of the present invention, the sloshing limiting module includes a sliding bearing;
the inner circle of the sliding bearing is sleeved on the axial outer side wall of the first component, the inner wall of the second component is provided with a limiting groove corresponding to the position of the outer circle of the sliding bearing, and the outer circle of the sliding bearing is in clearance fit with the limiting groove.
The utility model discloses the second aspect provides a heliostat, include as above rotary reducer, rotary reducer is used for the adjustment the corner of plane of reflection in the heliostat.
A third aspect of the present invention provides a heliostat field, comprising a heliostat as described above.
Compared with the prior art, the embodiment of the utility model has following beneficial effect:
1. the embodiment of the utility model provides a slewing reducer for heliostat, slewing reducer can be after long-term operation, under the condition that need not disassemble slewing reducer, realize adjusting the pretightning force of the antifriction bearing among the slewing reducer, make slewing reducer's rigidity remain throughout at high water level, and do not influence the operation of heliostat when slewing reducer's rigidity is adjusted.
2. The embodiment of the utility model provides a rotary speed reducer for heliostat is still including rocking the restriction module, and relative shaking amount between first subassembly and the second subassembly is restricted at the certain limit through rocking the restriction module, has improved the reliability of heliostat under wind load.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a heliostat provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a rotary speed reducer provided in an embodiment of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line D-D of FIG. 2;
fig. 5 is a schematic structural diagram of a round nut according to an embodiment of the present invention;
fig. 6 is a schematic view of a partial structure of a rotary speed reducer according to an embodiment of the present invention.
The correspondence between each mark and the part name is as follows:
the device comprises a rotary speed reducer 1, a heliostat mirror body 2, a stand column 3, a box body 4, a through hole 4-1, a sliding bearing 5, a worm wheel 6, an external thread 6-1, a round nut 7, a groove 7-1, a steel wire raceway bearing 8, a fastener 9, a base 10, a worm 11, a gear transmission mechanism 12 and a motor 13.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one of ordinary skill in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Example 1
The present embodiment provides a slewing speed reducer 1, including:
a first component;
the second assembly is concentrically covered on the outer side of the first assembly, and the first assembly and the second assembly are connected through a rolling bearing;
the driving module is used for driving the first assembly or the second assembly to enable the first assembly and the second assembly to rotate relatively;
an adjustment module configured to be able to adjust the pretensioning force of the rolling bearing without disassembling the rotary reduction gear 1.
The utility model realizes the adjustment of the overturning rigidity of the rotary speed reducer 1 by adjusting the pre-tightening force of the rolling bearing through the adjusting module, and the adjustment is implemented without disassembling the rotary speed reducer 1; the utility model provides a slewing reducer 1 adjusts slewing reducer 1's the rigidity of toppling through adjusting module at the long-term running in-process for slewing reducer 1's rigidity remains throughout at high water level, guarantees the stability of heliostat work under the wind-borne condition, guarantees that the facula offset does not surpass the designing requirement in the beginning and the end, in addition, does not influence the operation of heliostat when slewing reducer 1's rigidity is adjusted.
In one embodiment, the adjustment module includes:
the external thread 6-1 is arranged on the outer wall of the first component, and the external thread 6-1 is arranged on the outer wall of the first component;
the adjusting piece is provided with a threaded hole matched with the external thread 6-1, the adjusting piece is installed on the first assembly in a threaded mode, the adjusting piece is located above the rolling bearing, and one surface, facing the rolling bearing, of the adjusting piece is in contact with the axial end face of the rolling bearing; it should be noted that the adjusting part can also be positioned below the rolling bearing, and the up-and-down position relationship between the adjusting part and the rolling bearing is not limited in the invention as long as the adjusting part is installed on the external thread in a threaded manner, and one surface of the adjusting part facing the rolling bearing can be in contact with the axial end face of the rolling bearing;
the connecting module is used for selectively connecting or disconnecting the transmission between the adjusting piece and the second assembly; namely, the connecting module is used for changing and adjusting the transmission connection state and the contact state between the adjusting piece and the second assembly.
When the adjusting piece is in transmission connection with the second assembly, the driving module drives the first assembly and the second assembly to rotate relatively, and the adjusting piece is driven to move towards or away from the rolling bearing along the external thread 6-1 so as to adjust the pretightening force of the rolling bearing and change the overturning rigidity of the rotary speed reducer 1.
In one embodiment, at least two connecting modules are provided, and the at least two connecting modules are uniformly distributed along the circumferential direction of the adjusting piece. Through setting up a plurality of connection module, realize the stability of slewing reducer 1 overturning rigidity adjustment in-process.
In one embodiment, at least one part of the connection module is detachably limited on the second assembly, and at least another part of the connection module is detachably limited on the adjusting member, so that the rigidity of the rotary speed reducer 1 can be adjusted without disassembling the rotary speed reducer 1.
In one embodiment, a connection module includes:
the transmission piece fixing part is arranged on the axial outer side wall of the adjusting piece;
the through hole 4-1 is formed in the side wall of the second component, and the through hole 4-1 corresponds to the position of the transmission piece fixing part;
at least one part of the transmission piece is detachably limited in the through hole 4-1, and at least the other part of the transmission piece penetrates through the through hole 4-1 to be detachably limited on the transmission piece retaining part.
When the adjusting piece is in transmission connection with the second assembly, at least one part of the transmission piece is detachably limited in the through hole 4-1, and at least another part of the transmission piece penetrates through the through hole 4-1 and is detachably limited on the transmission piece fixing part; when the transmission connection between the adjusting piece and the second assembly is released, the transmission piece is detached from the transmission piece retaining part and the through hole 4-1, and the transmission connection between the adjusting piece and the second assembly is realized.
In one embodiment, the connecting module further comprises a sealing element, and when the transmission connection between the adjusting element and the second assembly is released, the sealing element is used for sealing the through hole 4-1, so that impurities such as dust in air are prevented from entering the second assembly to influence the service life of the rotary speed reducer 1. Wherein, the sealing element can be a screw plug, a sealing column and the like.
In one embodiment, the adjustment member is a round nut 7. The round nut 7 is in threaded connection with the external thread 6-1, and the axial end face of the round nut 7 is in contact with the axial end face of the rolling bearing.
Specifically, the transmission part retaining portion is a groove 7-1 formed in the axial outer side wall of the adjusting part, the transmission part is a fixing pin, one end of the fixing pin is clamped in the through hole 4-1, and the other end of the fixing pin penetrates through the through hole 4-1 and is clamped in the groove 7-1.
In one embodiment, the second component is a case 4; the first assembly comprises a base 10, a worm wheel 6 and a worm 11, the worm wheel 6 is fixedly arranged on the base 10, a through hole 4-1 structure is constructed on the box body 4, two ends of the worm 11 are arranged in the box body 4 through bearings, and the worm 11 is in meshing transmission with the worm wheel 6; the driving module is in transmission connection with the worm 11, the worm 11 makes circular motion around the periphery of the worm wheel 6 or the worm 11 drives the worm wheel 6 to rotate around the central axis of the worm wheel 6. In the embodiment, the box body 4 is in transmission connection with the base 10 through the worm wheel 6 and the worm 11, and the driving module drives the worm wheel and the worm mechanism, so that the first assembly and the second assembly rotate relatively. It should be noted that, the utility model discloses be connected between well box 4 and base 10 is not limited to above-mentioned selection, and the drive mechanism that can realize between first subassembly and the second subassembly that the transmission is connected, and can drive and take place relative rotation between first subassembly and the second subassembly under drive module's drive among the prior art all can be used for the utility model discloses be connected between well box 4 and the base 10.
In an embodiment of the present invention, the rolling bearing is a ball bearing or a roller bearing. The rolling bearing can be chosen in particular as a wire raceway bearing 8.
In the embodiment, the driving module drives the worm 11 to rotate, the worm wheel 6 is meshed with the worm 11, and the worm wheel 6 is fixed on the base 10, so that the first component and the second component are driven to rotate relatively; the relative movement between the worm 11 and the worm wheel 6 mainly includes the following two modes: (1) The worm 11 makes circular motion around the periphery of the worm wheel 6; (2) The worm 11 drives the worm wheel 6 to rotate around the central axis of the worm wheel 6.
Based on relative motion includes above two kinds of modes at least between worm 11 and the worm wheel 6, the utility model provides a when slewing reducer 1 specifically is used for heliostat azimuth to change, include following two kinds of embodiments at least: (1) The base 10 of the rotary speed reducer 1 is fixedly connected with the heliostat upright column 3, the upper end face of the box body 4 is fixedly connected with the heliostat transmission part, the driving module drives the worm 11 to rotate, the worm 11 is meshed with the worm wheel 6, and the worm wheel 6 is fixed, so that when the worm 11 rotates, the worm 11 makes circular motion around the periphery of the worm wheel 6, the whole box body 4 is driven to synchronously rotate, and the rotation of the azimuth angle of the heliostat is realized; (2) The box 4 of the rotary speed reducer 1 is fixedly connected with the heliostat upright column 3 in an installing mode, the base 10 of the rotary speed reducer 1 is connected with the heliostat transmission part in an installing mode, the worm 11 is driven by the driving module to rotate, the worm 11 is meshed with the worm wheel 6, the worm 11 drives the worm wheel 6 to rotate around the central axis of the worm wheel 6, and the base 10 rotates synchronously along with the worm wheel 6 to achieve rotation of the azimuth angle of the heliostat.
As shown in fig. 1, the slewing gear reducer 1 is mainly subjected to the following loads during operation: azimuth torque T, axial pressure F and overturning moment W; of these three loads, the impact of the overturning moment on the slewing reduction gear 1 is the largest. The overturning moment applied to the rotary speed reducer 1 is mainly borne by the rolling bearing, and during long-term operation of the rotary speed reducer 1, the rolling bearing is worn for a long time, so that the bearing clearance is increased, the overturning rigidity of the rotary speed reducer 1 is reduced, and the shaking amount of the heliostat under wind load is increased.
The utility model discloses when the transmission is connected between well regulating part and the second subassembly, drive module makes first subassembly and second subassembly take place relative rotation, round nut 7 is followed external screw thread 6-1 orientation antifriction bearing motion is rotated through round nut 7, adjusts round nut 7 to antifriction bearing's pretightning force, adjusts the antifriction bearing clearance simultaneously, makes the rocking volume of rotary speed reducer 13 reduce to improve rotary speed reducer 1's the rigidity of toppling.
Specifically, the utility model provides a connection module includes:
the transmission piece retaining part is arranged on the axial outer side wall of the round nut 7;
the through hole 4-1 is formed in the side wall of the box body 4, and the through hole 4-1 corresponds to the transmission piece fixing position;
at least one part of the transmission piece is detachably limited in the through hole 4-1, and at least another part of the transmission piece penetrates through the through hole 4-1 to be detachably limited on the transmission piece retaining part.
When the round nut 7 is in transmission connection with the box body 4, at least one part of the transmission piece is detachably limited in the through hole 4-1, and at least another part of the transmission piece passes through the through hole 4-1 and is detachably limited on the transmission piece retaining part; when the transmission connection between the round nut 7 and the box body 4 is released, the transmission piece is detached from the through hole 4-1 and the transmission piece fixing part, and the transmission connection between the round nut 7 and the box body 4 is released.
Referring to fig. 2, 3 and 4, the driving member retaining portion is a groove 7-1 formed in an outer wall of the round nut 7 in the circumferential direction, a center of the groove 7-1 and a center of the through hole 4-1 are located on the same plane, the driving member is a fixing pin, one end of the fixing pin is clamped in the through hole 4-1, and the other end of the fixing pin penetrates through the through hole 4-1 and is clamped in the groove 7-1. The clamping is a clamping form and a structure which can respectively fix two ends of a fixing pin in a through hole 4-1 and a groove 7-1 and release two ends of the fixing pin from the through hole 4-1 and the groove 7-1 in the prior art and can be used in the utility model; for example, the clamping can be clamped, one end of the fixing pin is clamped into the groove 7-1, the other end of the fixing pin is clamped into the through hole 4-1, and when the box body 4 and the round nut 7 need to be contacted, the fixing pin only needs to be pulled out; in addition, the clamping and fixing structure can also be an internal thread structure arranged in the groove 7-1 and the through hole 4-1 and external threads respectively arranged at two ends of the fixing pin, and the fixing pin is connected with the through hole 4-1 and the groove 7-1 through the internal threads and the external threads in a threaded manner, so that the fixing pin can be detached and limited, and further the transmission connection or the release of the transmission connection between the box body 4 and the round nut 7 is realized.
When the overturning rigidity of the rotary speed reducer 1 is reduced, the swinging amount of the heliostat under the wind load is larger, and therefore, further, the rotary speed reducer 1 for the heliostat in the utility model further comprises a swinging limiting module, and the swinging limiting module is configured to limit the relative swinging amount between the first component and the second component; the relative shaking amount between the first assembly and the second assembly is limited within a certain range through the shaking limiting module, and the reliability of the heliostat under wind load is further improved.
In one embodiment, the slosh limiting module includes a sliding bearing; the inner circle of the sliding bearing is sleeved on the axial outer side wall of the first component, the inner wall of the second component is provided with a limiting groove corresponding to the position of the outer circle of the sliding bearing, and the outer circle of the sliding bearing is in clearance fit with the limiting groove. The sliding bearing is located above the rolling bearing.
The second subassembly is box 4, and when the second subassembly included base 10, worm wheel 6 and worm 11, the circle cover is in slide bearing 5 on the axial outer wall of worm wheel 6, seted up on the 4 inner walls of box with the corresponding spacing groove in slide bearing 5 excircle position, slide bearing 5 excircle with spacing groove clearance fit. When the shaking amount of the box body 4 of the rotary speed reducer 1 or the whole structure formed by the worm wheel 6 and the base 10 reaches a certain degree, the sliding bearing 5 at the top of the worm wheel 6 is in contact with the box body 4, so that the shaking amount of the box body 4 of the rotary speed reducer 1 is limited within a certain range, and the reliability of the heliostat under wind load is improved.
Since the relative movement between the worm 11 and the worm wheel 6 includes two forms, that is, the shake limiting module is configured to limit the shake amount of the case 4 or the shake amount of the integrated structure of the worm wheel 6 and the base 10, the reliability of the heliostat under wind load is further improved.
Furthermore, the limiting groove is a circular limiting groove 7-1. When the heliostat normally operates, the outer circle of the sliding bearing 5 is not contacted with the limiting groove.
Specifically, the axial outer wall of the worm wheel 6 is sequentially provided with a sliding bearing 5, an external thread 6-1 and a steel wire raceway bearing 8.
Further, the utility model provides a drive module is motor 13, and motor 13 passes through gear 12 and is connected with worm 11.
Further, through fastener 9 fixed connection between worm wheel 6 and the base 10, fastener 9 can be the bolt, in addition, can also weld fixed connection between worm wheel 6 and the base 10, the utility model discloses in not specifically limit the connection structure between worm wheel 6 and the base 10.
The utility model provides a rotary speed reducer 1 includes following two kinds of using-way:
firstly, a base 10 of a rotary speed reducer 1 is fixedly connected with a heliostat upright column 3, the upper end surface of a box body 4 is fixedly connected with a heliostat transmission part, a driving module drives a worm 11 to rotate, the worm 11 is meshed with a worm wheel 6, and the worm wheel 6 is fixed, so that when the worm 11 rotates, the worm 11 makes circular motion around the periphery of the worm wheel 6, the whole box body 4 is driven to synchronously rotate along with the circular motion, and the rotation of the azimuth angle of the heliostat is realized; in the working process, when the overturning rigidity of the rotary speed reducer 1 needs to be adjusted, the concrete operation steps are as follows: (1) taking out the sealing element in the through hole 4-1; (2) One end of a fixing pin penetrates through the through hole 4-1 to be clamped into an external thread 6-1 on the outer wall of the round nut 7, the other end of the fixing pin is clamped in the through hole 4-1 on the box body 4, the driving module is controlled to rotate slowly, the box body 4 drives the round nut 7 to rotate while rotating, the round nut 7 is rotated and moves towards or away from the rolling bearing, the pre-tightening force of the round nut 7 on the rolling bearing can be adjusted, meanwhile, the rolling bearing clearance is adjusted, the shaking amount of the rotary speed reducer 1 is reduced, and therefore the overturning rigidity of the rotary speed reducer 1 is improved;
secondly, a box body 4 of the rotary speed reducer 1 is fixedly connected with a heliostat upright post 3, a base 10 of the rotary speed reducer 1 is fixedly connected with a heliostat transmission part, a driving module drives a worm 11 to rotate, the worm 11 is meshed with a worm wheel 6, the worm 11 drives the worm wheel 6 to rotate around the central axis of the worm wheel 6, and the base 10 synchronously rotates along with the worm wheel 6 to realize the rotation of the azimuth angle of the heliostat; in the using process, when the overturning rigidity of the rotary speed reducer 1 needs to be adjusted, the concrete operation steps are as follows: (1) taking out the sealing element in the through hole 4-1; (2) One end of a fixing pin penetrates through the through hole 4-1 to be clamped into the external thread 6-1 on the outer wall of the round nut 7, the other end of the fixing pin is clamped in the through hole 4-1 on the box body 4, the driving module is controlled to rotate slowly, when the worm wheel 6 and the base 10 rotate synchronously, the round nut 7 is rotated and moves towards or away from the rolling bearing, the pre-tightening force of the round nut 7 on the rolling bearing can be adjusted, meanwhile, the rolling bearing clearance is adjusted, the shaking amount of the rotary speed reducer 1 is reduced, and therefore the overturning rigidity of the rotary speed reducer 1 is improved.
Example 2
The embodiment provides a heliostat, referring to fig. 1, a base of a rotary speed reducer 1 is fixedly connected with a heliostat column 3, an upper end surface of a box 4 is connected with a heliostat transmission component, and the rotary speed reducer 1 is used for adjusting a corner of a reflection surface in the heliostat 2.
The embodiment also provides a heliostat field which comprises the heliostat.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (13)
1. A slewing reducer is characterized by comprising:
a first component;
the second assembly is concentrically covered on the outer side of the first assembly, and the first assembly is connected with the second assembly through a rolling bearing;
the driving module is used for driving the first assembly or the second assembly to enable the first assembly and the second assembly to rotate relatively;
an adjustment module configured to enable adjustment of a preload of the rolling bearing without disassembly of the slew reducer.
2. The slew reducer of claim 1, where the adjustment module comprises:
the external thread is arranged on the outer wall of the first assembly;
the adjusting piece is provided with a threaded hole matched with the external thread, and one surface of the adjusting piece facing the rolling bearing is in contact with the axial end face of the rolling bearing;
a connection module for selectively drivingly connecting or disconnecting the adjustment member to the second component;
when the adjusting piece is in transmission connection with the second assembly, the driving module drives the first assembly or the second assembly to drive the adjusting piece to move towards or away from the rolling bearing along the external thread so as to adjust the pretightening force of the rolling bearing.
3. The rotary reducer of claim 2, wherein the connecting modules are provided in at least two numbers, and the connecting modules are uniformly distributed along the circumferential direction of the adjusting member.
4. The rotary reducer of claim 2, wherein at least one portion of the connection module is detachably retained on the second member, and at least another portion of the connection module is detachably retained on the adjusting member.
5. The slew reducer of claim 4, where the connection module comprises:
the transmission piece fixing part is arranged on the axial outer side wall of the adjusting piece;
the through hole is formed in the side wall of the second component and corresponds to the position of the transmission piece fixing part;
at least one part of the transmission piece is detachably limited in the through hole, and at least another part of the transmission piece penetrates through the through hole to be detachably limited on the transmission piece retaining part.
6. The rotary reducer of claim 5, wherein the connection module further comprises a seal for sealing the through-hole when the adjustment member is disengaged from the second component.
7. The rotary speed reducer according to claim 5, wherein the transmission member retaining portion is a groove formed in an axially outer side wall of the adjusting member, the transmission member is a fixing pin, one end of the fixing pin is fastened in the through hole, and the other end of the fixing pin penetrates through the through hole and is fastened in the groove.
8. The rotary reducer of claim 5, wherein the adjustment member is a round nut.
9. The rotary reducer of claim 2, wherein the second component is a box;
the first assembly comprises a base, a worm wheel and a worm, the worm wheel is fixedly arranged on the base, two ends of the worm are connected to the box body through bearings, and the worm is in meshing transmission with the worm wheel;
the driving module is in transmission connection with the worm, and the worm performs circular motion around the periphery of the worm wheel or the worm drives the worm wheel to rotate around the central axis of the worm wheel.
10. The rotary reducer of claim 1, wherein the rolling bearing is a ball bearing or a roller bearing.
11. The rotary reduction machine of any one of claims 1 to 10, further comprising a slosh limiting module configured to limit a relative amount of slosh between the first component and the second component.
12. The slew reducer of claim 11, where the sway limitation module comprises a sliding bearing;
the inner circle of the sliding bearing is sleeved on the axial outer side wall of the first component, the inner wall of the second component is provided with a limiting groove corresponding to the position of the outer circle of the sliding bearing, and the outer circle of the sliding bearing is in clearance fit with the limiting groove.
13. A heliostat comprising the rotary reduction gear of any of claims 1-12 for adjusting the angle of rotation of a reflective surface in the heliostat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222884299.4U CN218787297U (en) | 2022-10-31 | 2022-10-31 | Rotary speed reducer and heliostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222884299.4U CN218787297U (en) | 2022-10-31 | 2022-10-31 | Rotary speed reducer and heliostat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218787297U true CN218787297U (en) | 2023-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222884299.4U Active CN218787297U (en) | 2022-10-31 | 2022-10-31 | Rotary speed reducer and heliostat |
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| Country | Link |
|---|---|
| CN (1) | CN218787297U (en) |
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2022
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