CN110667320A - Double-roller type wheel mounting machine for heavy mining dump truck - Google Patents
Double-roller type wheel mounting machine for heavy mining dump truck Download PDFInfo
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- CN110667320A CN110667320A CN201910968505.XA CN201910968505A CN110667320A CN 110667320 A CN110667320 A CN 110667320A CN 201910968505 A CN201910968505 A CN 201910968505A CN 110667320 A CN110667320 A CN 110667320A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
- B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
- B60C25/05—Machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
- B62D65/12—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being suspensions, brakes or wheel units
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Abstract
The invention provides a double-roller type heavy mining dump truck wheel mounting machine which comprises a driving wheel system, a truck body system, a roller clamp system and an electric control system, wherein the electric control system is connected with the driving wheel system; 4 driving wheel systems are respectively installed at 4 corner points of the lower surface of a U-shaped vehicle body of the vehicle body system, and a connecting plate of each driving wheel system is fixedly connected with the lower surface of the U-shaped vehicle body; the rolling guide rail sliding seat A and the rolling guide rail sliding seat B of the vehicle body system are respectively and fixedly connected to the same side surfaces of the two upright posts of the square frame of the pressure supporting roller system; a lifting screw rod of the vehicle body system is inserted into a vertical cylindrical hole of the square frame of the pressure supporting and pressing roller system and is matched with the lifting nut to form a thread pair; the electric control system is arranged on the upper surface of the U-shaped vehicle body. The invention can realize the mechanization of the assembly of the heavy mine car tire, reduce the labor cost and reduce the labor intensity of workers; the tire assembling efficiency is improved, and the consistency and the production rhythm of the mounting quality are ensured.
Description
Technical Field
The invention relates to a wheel mounting machine of a double-roller type heavy mining dump truck.
Background
The difficulty in mounting the wheels on the assembly line of the heavy mining dump truck is very high because: 1) the weight of the wheel is large, and the weight of a single wheel reaches 6.25 t; 2) the wheel is large in size, the diameter is 3650mm, and the thickness is 1254 mm; 3) the production beat requirement is strict: the installation time of a single wheel is within 15 min; 4) the outer contour of the wheel tire is a spherical surface, and the positioning is difficult.
The prior heavy-duty mining dump truck wheel on-line installation mostly adopts the installation of an overhead traveling crane and an auxiliary tool, and has the defects that: 1) the labor cost is high, and generally 6 installation workers are needed; 2) control of installation tact is difficult; 3) the labor intensity of workers is high; 4) the uniformity of the mounting quality is poor.
Disclosure of Invention
According to the technical problems that the wheel installation difficulty on the assembly line of the heavy mining dump truck is very high, the labor cost is high, the installation beat is difficult to control, the labor intensity is high, the installation quality consistency is poor and the like due to the fact that the crown block and the auxiliary tool are installed in the on-line installation mode, and the wheel installation machine of the double-supporting-roller heavy mining dump truck is provided. The wheel mounting machine mainly utilizes the mutual matching of the driving wheel system, the vehicle body system, the carrier roller clamp system and the electric control system, so that the wheel mounting machine has the functions of moving in any direction and rotating in various radiuses, has the function of rotating the wheels of the heavy mining dump truck, and has the function of lifting the wheels of the heavy mining dump truck, thereby realizing the mechanization of the assembly of the tires of the heavy mining dump truck.
The technical means adopted by the invention are as follows:
a double-carrier roller type heavy mining dump truck wheel mounting machine comprises a driving wheel system, a truck body system, a carrier roller clamp system and an electric control system;
the driving wheel system mainly comprises a worm box body, a turntable bearing, a connecting plate, a worm wheel shaft, a U-shaped supporting frame, a servo motor A, a speed reducer A, a rolling bearing, a traveling wheel, a transmission shaft, a worm, a servo motor B and a speed reducer B;
the vehicle body system mainly comprises a U-shaped vehicle body, a gantry frame, a rolling guide rail sliding seat A, a rolling guide rail A, a lifting screw rod, a suspension beam, a lifting servo motor, a lifting speed reducer, a rolling guide rail B, a rolling guide rail sliding seat B and a thrust roller bearing;
the carrier roller clamp system mainly comprises a carrier roller A, a square frame, a hinge A, a swing arm A, a pin shaft A, an electric cylinder A, a hinge B, a lifting nut, a hinge C, a swing arm B, a pin shaft B, a carrier roller B, a hinge D, an electric cylinder B, a servo motor C, a speed reducer C, a rolling bearing, a compression roller supporting shaft A, a compression roller A, a servo motor D, a speed reducer D, a compression roller supporting shaft B and a compression roller B;
the U-shaped support frame is composed of a first cross beam and two vertical plates positioned on two sides below the first cross beam; the two vertical plates are respectively provided with a cylindrical through hole, the two cylindrical through holes are coaxial and have the same diameter, a rolling bearing A and a rolling bearing B are respectively arranged in the two cylindrical through holes, and inner ring inner holes of the two rolling bearings are connected with the transmission shaft in a matching manner; the middle part of the transmission shaft is connected with the travelling wheel in a matching way; one end of the transmission shaft is fixedly connected with an output shaft of the speed reducer A, a shell of the speed reducer A is fixedly connected to the outer side surface of the vertical plate, an input shaft of the speed reducer A is fixedly connected with an output shaft of the servo motor A, and a shell of the servo motor A is fixedly connected with the shell of the speed reducer A; the worm wheel shaft is a stepped shaft, and one end of a large-diameter shaft section of the worm wheel shaft is connected to the central point of the upper surface of the first cross beam; the middle part of the large-diameter shaft section of the worm wheel shaft is connected with an inner hole of the worm wheel in a matching way, and the worm wheel is connected with the worm in a meshing way; the small-diameter shaft section of the worm wheel shaft is inserted into an inner ring inner hole of the turntable bearing and is connected with the inner ring inner hole in a matching manner, and the outer ring end face of the turntable bearing is fixed on one side end face of the connecting plate; the end face of the other side of the connecting plate is connected with the worm box body, the worm box body is a rectangular box body, two box plates in the length direction of the worm box body are respectively provided with a cylindrical through hole, the two cylindrical through holes are coaxial and have the same diameter, and a rolling bearing C and a rolling bearing D are respectively arranged in the two cylindrical through holes; the worm is composed of three sections of cylinders, two ends of the worm are equal-diameter cylinder sections, the two equal-diameter cylinder sections are respectively connected with inner ring inner holes of the rolling bearing C and the rolling bearing D in a matching mode, and the middle cylinder section of the worm is connected with the turbine in a meshing mode; one end of the worm is fixedly connected with an output shaft of the speed reducer B, a shell of the speed reducer B is fixedly connected to the outer box wall of the worm box body, an input shaft of the speed reducer B is fixedly connected with an output shaft of the servo motor B, and a shell of the servo motor B is fixedly connected with the shell of the speed reducer B; a rectangular hole is formed in one side box plate of the worm box body, and the worm wheel penetrates through the rectangular hole to enter the worm box body and is meshed and connected with the worm;
the U-shaped vehicle body and the gantry frame are both of U-shaped structures, and the U-shaped structures are formed by a bottom beam and two edge beams; the end surfaces of two edge beams of the gantry frame are respectively and fixedly connected to the upper surface of the bottom beam of the U-shaped vehicle body; the suspension beam is fixedly connected to the middle part of the outer side surface of the bottom beam of the gantry frame and extends out of the gantry frame in a suspension manner, a lead vertical cylindrical hole is formed in the suspension position of the suspension beam, a first thrust roller bearing and a second thrust roller bearing are mounted in the cylindrical hole, and the lifting screw rod is inserted into inner ring inner holes of the two thrust roller bearings and is connected with the inner ring inner holes in a matching manner; one end part of the lifting screw is fixedly connected with an output shaft of the lifting speed reducer, a shell of the lifting speed reducer is fixedly connected with the upper surface of the suspension beam, an input shaft of the lifting speed reducer is fixedly connected with an output shaft of the lifting servo motor, and the shell of the lifting servo motor is fixedly connected to the shell of the lifting speed reducer; the rolling guide rail A and the rolling guide rail B are fixedly connected to the same side faces of the two edge beams of the gantry frame respectively, the rolling guide rail A is provided with the rolling guide rail sliding seat A in a sliding manner, and the rolling guide rail B is provided with the rolling guide rail sliding seat B in a sliding manner;
the square frame consists of two second cross beams and two upright posts; two cylindrical through holes are respectively arranged at two corner points in the horizontal direction below the square frame, and two rolling bearings are respectively arranged in the two cylindrical through holes; the carrier roller A and the carrier roller B are both composed of a section of cylinder and two sections of cones, and the two sections of cones are V-shaped in an axial section; the cylindrical body of the carrier roller A is inserted into inner ring inner holes of the two rolling bearings and stretches out of the square frame, wherein the end part of the cylindrical body of the carrier roller A is fixedly connected with an output shaft of the speed reducer D, a shell of the speed reducer D is fixedly connected to the square frame, an input shaft of the speed reducer D is fixedly connected with an output shaft of the servo motor D, and a shell of the servo motor D is fixedly connected to the shell of the speed reducer D; the cylinder of the carrier roller B is inserted into inner ring inner holes of the two rolling bearings and stretches out of the square frame, wherein the end part of the cylinder of the carrier roller B is fixedly connected with an output shaft of the speed reducer C, a shell of the speed reducer C is fixedly connected to the square frame, an input shaft of the speed reducer C is fixedly connected with an output shaft of the servo motor C, and a shell of the servo motor C is fixedly connected to the shell of the speed reducer C; the pin shaft A and the pin shaft B are fixedly connected to two angular points in the horizontal direction above the square-shaped frame respectively, the pin shaft A and the pin shaft B are stepped shafts, each stepped shaft is composed of a section of small-diameter cylinder and a section of large-diameter cylinder, and the end faces of the small-diameter cylinders of the pin shaft A and the pin shaft B are connected with the two angular points respectively; the extending directions of the pin shaft A and the pin shaft B are the same as the extending directions of the carrier roller A and the carrier roller B; the swing arm A is a cuboid, a cylindrical through hole in the middle of the swing arm A is sleeved in the small-diameter cylinder of the pin shaft A and forms clearance fit with the small-diameter cylinder, one end face of the large-diameter cylinder of the pin shaft A is attached to one side face of the swing arm A and forms clearance fit, and the outer surface of the square frame forms clearance fit with the other side face of the swing arm A; the swing arm B is a cuboid, a cylindrical through hole in the middle of the swing arm B is sleeved in the small-diameter cylinder of the pin shaft B and forms clearance fit with the small-diameter cylinder, one end face of the large-diameter cylinder of the pin shaft B is attached to one side face of the swing arm B and forms clearance fit, and the outer surface of the square frame forms clearance fit with the other side face of the swing arm B;
the end part of a piston rod of the electric cylinder A is rotatably connected with the hinge A, the end part of a cylinder body of the electric cylinder A is rotatably connected with the hinge B, the hinge A is connected with the end part of the side surface of the swing arm A, and the hinge B is connected with the square-shaped frame; the end part of a piston rod of the electric cylinder B is rotatably connected with the hinge D, the end part of a cylinder body of the electric cylinder B is rotatably connected with the hinge C, the hinge D is connected with the end part of the side surface of the swing arm B, and the hinge C is connected with the square-shaped frame; the compression roller supporting shaft B is a stepped shaft, the end face of a large-diameter shaft section of the compression roller supporting shaft B is fixedly connected to the end part of the swing arm A, the compression roller B is of a sleeve structure, the inner surface of the compression roller B is a cylindrical hole, the outer surface of the compression roller B is composed of two outer conical surfaces, the axial cross sections of the two outer conical surfaces are V-shaped, two rolling bearings are installed in the cylindrical hole of the compression roller B, and the small-diameter shaft section of the compression roller supporting shaft B is inserted into inner ring inner holes of the; the compression roller supporting shaft A is a stepped shaft, the end face of a large-diameter shaft section of the compression roller supporting shaft A is fixedly connected to the end part of the swing arm B, the compression roller A is of a sleeve structure, the inner surface of the compression roller A is a cylindrical hole, the outer surface of the compression roller A is composed of two outer conical surfaces, the axial cross sections of the two outer conical surfaces are V-shaped, two rolling bearings are installed in the cylindrical hole of the compression roller A, and the small-diameter shaft section of the compression roller supporting shaft A is inserted into inner ring inner holes of the;
a vertical cylindrical hole with the diameter larger than that of the threaded hole of the lifting nut is arranged at the midpoint of the second cross beam above the square frame, the lifting nut is fixedly connected to the upper surface of the square frame, and the threaded hole of the lifting nut is coaxial with the vertical cylindrical hole of the square frame;
4 driving wheel systems are respectively installed at 4 corner points of the lower surface of the U-shaped vehicle body of the vehicle body system, and a connecting plate of each driving wheel system is fixedly connected with the lower surface of the U-shaped vehicle body; the rolling guide rail sliding seat A and the rolling guide rail sliding seat B of the vehicle body system are respectively and fixedly connected to the same side surfaces of the two upright posts of the square frame of the pressure supporting roller system; a lifting screw rod of the vehicle body system is inserted into a vertical cylindrical hole of the square frame of the pressure supporting and pressing roller system and is matched with the lifting nut to form a thread pair; the electric control system is arranged on the upper surface of the U-shaped vehicle body.
Further, the V-shaped intersection points of the pressing roller A, the pressing roller B, the carrier roller A and the carrier roller B are located in the same plane.
Further, the wheel mounting machine of the double-roller type heavy mining dump truck has the functions of moving in any direction and rotating in various radiuses:
1) moving in the direction of the datum line (axis of the tyre)
Starting 4 servo motors B, driving 4 transmission shafts and 4 travelling wheels to rotate to 4 travelling wheel axes through 4 speed reducers B, 4 worms, 4 worm wheels, 4 worm wheel shafts and 4U-shaped support frames to be vertical to the datum line, simultaneously starting 4 servo motors A, driving 4 travelling wheels to simultaneously rotate at the same speed through 4 speed reducers A and 4 transmission shafts, and moving the double-roller type heavy mining dumper wheel mounting machine integrally along the datum line (tire axis);
2) moving in a direction perpendicular to the reference line
Starting 4 servo motors B, driving 4 transmission shafts and 4 travelling wheels to rotate to 4 travelling wheel axes parallel to the datum line through 4 speed reducers B, 4 worms, 4 worm wheels, 4 worm wheel shafts and 4U-shaped support frames, simultaneously starting 4 servo motors A, driving 4 travelling wheels to simultaneously rotate at the same speed through 4 speed reducers A and 4 transmission shafts, and moving the double-roller-supporting type heavy-duty mining dumper wheel mounting machine integrally along the direction vertical to the datum line;
3) turn at minimum radius
When the two travelling wheels on the left side drive the roller type heavy mining dump truck wheel mounting machine to move forwards integrally, and the two travelling wheels on the right side drive the double roller type heavy mining dump truck wheel mounting machine to move backwards integrally, the double roller type heavy mining dump truck wheel mounting machine rotates in situ with the minimum radius integrally; when the two traveling wheels on the left side drive the wheel mounting machine of the double-roller type heavy mining dump truck to integrally move backwards, and the two traveling wheels on the right side drive the wheel mounting machine of the double-roller type heavy mining dump truck to integrally move forwards, the wheel mounting machine of the double-roller type heavy mining dump truck integrally rotates reversely in situ with the minimum radius;
4) moving in an oblique direction
When starting 4 servo motor B, through 4 reduction gears B, 4 worms, 4 worm wheels, 4 worm wheel axles and 4U-shaped support frames drive 4 transmission shafts and 4 walking wheels rotate 4 walking wheel axes and all become a certain angle with the datum line, 4 servo motor A is started simultaneously, drive 4 walking wheels through 4 reduction gears A and 4 transmission shafts and rotate with fast simultaneously, the whole certain angle direction removal of following with the datum line of following of heavy mining dump truck wheel mounting plate of two bearing roller formula, two heavy mining dump truck wheel mounting plates of bearing roller formula still have the slant function of moving promptly.
Further, the wheel mounting machine of the double-roller type heavy mining dump truck has the wheel rotating function of the heavy mining dump truck:
the servo motor D drives the carrier roller A to rotate through the speed reducer D; the servo motor C drives the B to rotate through the speed reducer C; when the servo motor D and the servo motor C are started at the same speed in the same direction, the carrier roller A and the carrier roller B simultaneously drive the wheels of the heavy mining dump truck to rotate, the wheels of the heavy mining dump truck drive the compression roller A and the compression roller B to rotate, and the compression roller A and the compression roller B rotate passively.
Furthermore, the wheel mounting machine of the double-roller type heavy mining dump truck has the functions of lifting and lowering the wheels of the heavy mining dump truck:
and starting a lifting servo motor, and driving the supporting and pressing roller system, namely the wheels of the heavy mining dump truck to lift together through a lifting speed reducer and a lifting nut.
Further, the servo motor A, the servo motor B, the lifting servo motor, the servo motor C, the servo motor D, the electric cylinder A and the electric cylinder B are all electrically connected with the electric control system.
Furthermore, the servo motor A, the servo motor B, the lifting servo motor, the servo motor C and the servo motor D are all internally provided with encoders and are provided with band-type brakes.
Compared with the prior art, the invention has the following advantages:
1. according to the wheel mounting machine of the double-carrier roller type heavy mining dump truck, the driving wheel system, the truck body system, the carrier roller clamp system and the electric control system are matched with one another, so that the wheel mounting machine has the functions of moving in any direction and rotating in various radiuses, has the function of rotating wheels of the heavy mining dump truck, has the function of lifting wheels of the heavy mining dump truck, and achieves mechanization of tire assembly of the heavy mining dump truck.
2. The wheel mounting machine of the double-roller type heavy mining dump truck provided by the invention can reduce the labor cost and the labor intensity of workers.
3. The wheel mounting machine of the double-roller type heavy mining dump truck provided by the invention can improve the tire mounting efficiency and ensure the consistency of the mounting quality and the production beat.
In conclusion, the technical scheme of the invention can solve the problems that in the prior art, the wheel installation difficulty on the assembly line of the heavy mining dump truck is very high, and the online installation adopts the crown block and the auxiliary tool to install, so that the labor cost is high, the installation beat is difficult to control, the labor intensity is high, and the installation quality consistency is poor.
Based on the reason, the invention can be widely popularized in the industrial fields of mounting wheels on a heavy-duty mining dump truck assembly line by using a wheel mounting machine and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of the wheel mounting machine of the double-roller type heavy mining dump truck of the invention.
Fig. 2 is a left side view of fig. 1.
FIG. 3 is a front view of a driving wheel system in the wheel mounting machine of the double-roller type heavy mining dump truck of the invention.
Fig. 4 is a sectional view a-a of fig. 3.
FIG. 5 is a front view of a vehicle body system in the wheel mounting machine of the double-roller type heavy mining dump truck of the invention.
Fig. 6 is a left side view of fig. 5.
Fig. 7 is a top view of fig. 5.
FIG. 8 is a front view of a supporting and pressing roller system in the wheel mounting machine of the double-supporting roller type heavy mining dump truck of the invention.
Fig. 9 is a top view of fig. 8.
Fig. 10 is a sectional view B-B of fig. 8.
Fig. 11 is a cross-sectional view C-C of fig. 8.
In the figure: 100. a drive wheel system; 200. a vehicle body system; 300. a carrier roller clamp system; 400. an electronic control system; 101. a worm box body; 102. a turntable bearing; 103. a connecting plate; 104. a worm gear; 105. a worm gear shaft; 106. a U-shaped support frame; 107. a servo motor A; 108. a reducer A; 109. a rolling bearing A; 110. a traveling wheel; 111. a rolling bearing B; 112. a drive shaft; 113. a worm; 114. a rolling bearing C; 115. a servo motor B; 116. a reducer B; 117. a rolling bearing D;
201. a U-shaped vehicle body; 202. a gantry frame; 203. a rolling guide rail slide carriage A; 204. a rolling guide rail A; 205. lifting a screw rod; 206. hanging the beam; 207. a lifting servo motor; 208. a lifting speed reducer; 209. a rolling guide rail B; 210. a rolling guide rail slide B; 211. a first thrust roller bearing; 212. a second thrust roller bearing;
301. a carrier roller A; 302. a square frame; 303. a hinge A; 304. a swing arm A; 305. a pin shaft A; 306. an electric cylinder A; 307. a hinge B; 308. a lifting nut; 309. a hinge C; 310. a swing arm B; 311. a pin B; 312. a carrier roller B; 313. a hinge D; 314. an electric cylinder B; 315. a servo motor C; 316. a reducer C; 317. a rolling bearing E; 318. a rolling bearing F; 319. a press roll supporting shaft A; 320. a rolling bearing G; 321. a rolling bearing H; 322. pressing a roller A; 323. a rolling bearing I; 324. a rolling bearing J; 325. a servo motor D; 326. a reducer D; 327. a press roll supporting shaft B; 328. a rolling bearing K; 329-rolling bearing L; 330. and a press roller B.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
Example 1
As shown in fig. 1 to 11, the invention provides a wheel mounting machine for a double-carrier roller type heavy mining dump truck, which mainly comprises 4 systems of a driving wheel system 100, a truck body system 200, a carrier roller clamp system 300 and an electric control system 400. The driving wheel system 100 mainly includes a worm box 101, a turntable bearing 102, a connecting plate 103, a worm wheel 104, a worm wheel shaft 105, a U-shaped support frame 106, a servo motor a107, a reducer a108, a rolling bearing, a road wheel 110, a transmission shaft 112, a worm 113, a servo motor B115 and a reducer B116. The vehicle body system mainly comprises a U-shaped vehicle body 201, a gantry frame 202, a rolling guide rail slide carriage A203, a rolling guide rail A204, a lifting screw 205, a suspension beam 206, a lifting servo motor 207, a lifting reducer 208, a rolling guide rail B209, a rolling guide rail slide carriage B210 and a thrust roller bearing. The carrier roller clamp system mainly comprises a carrier roller A301, a square frame 302, a hinge A303, a swing arm A304, a pin shaft A305, an electric cylinder A306, a hinge B307, a lifting nut 308, a hinge C309, a swing arm B310, a pin shaft B311, a carrier roller B312, a hinge D313, an electric cylinder B314, a servo motor C315, a speed reducer C316, a rolling bearing, a pressing roller supporting shaft A319, a pressing roller A322, a servo motor D325, a speed reducer D326, a pressing roller supporting shaft B327 and a pressing roller B330.
Example 2
As shown in fig. 3-4, the U-shaped supporting frame 106 is composed of a first cross beam and two vertical plates located at two sides below the first cross beam. Two vertical plates of the U-shaped support frame 106 are respectively provided with a cylindrical through hole, the two cylindrical through holes are coaxial and have the same diameter, a rolling bearing A109 and a rolling bearing B111 which have the same structure are respectively arranged in the two cylindrical through holes, inner ring inner holes of the two rolling bearings are connected with a transmission shaft 112 in a matching manner, and the transmission shaft 112 is inserted into inner ring inner holes of the rolling bearing A109 and the rolling bearing B111. The middle of the transmission shaft 112 is connected with the traveling wheel 110 in a matching manner, one end face of the transmission shaft 112 is fixedly connected with an output shaft of the speed reducer A108, a shell of the speed reducer A108 is fixedly connected to the side face of a vertical plate of the U-shaped support frame 106, an output shaft of the servo motor A107 is fixedly connected with an input shaft of the speed reducer A108, and a shell of the servo motor A107 is fixedly connected with a shell of the speed reducer B108.
The worm wheel shaft 105 is a stepped shaft, and one end face of a large-diameter shaft section thereof is fixedly connected to a central point of the upper surface of a first cross member of the U-shaped support frame 106. The middle part of the large-diameter shaft section of the worm wheel shaft 105 is inserted into the inner hole of the worm wheel 104 and fixedly connected with the inner hole of the worm wheel, and the worm wheel 104 is meshed with the worm 113. The small diameter shaft section of the worm wheel shaft 105 is inserted into the inner ring inner hole of the turntable bearing 102 and fixedly connected with the inner ring inner hole, and the outer ring end face of the turntable bearing 102 is fixedly connected with the right lower end face of the connecting plate 103. The left lower end face of the connecting plate 103 is connected with a worm box body 101, the worm box body 101 is a rectangular box body, two box plates in the length direction of the worm box body are respectively provided with a cylindrical through hole, the two cylindrical through holes are coaxial and have the same diameter, and a rolling bearing C114 and a rolling bearing D117 which have the same structure are respectively arranged in the two cylindrical through holes.
The worm 113 is composed of three sections of cylinders, two ends of the worm 113 are equal-diameter cylinder sections, the middle cylinder section is a worm section in meshed connection with the turbine, and the equal-diameter cylinder sections at the two ends of the worm 113 are respectively inserted into inner ring inner holes of the rolling bearing C114 and the rolling bearing D117. One end face of the worm 113 is fixedly connected with an output shaft of a reducer B116, a housing of the reducer B116 is fixedly connected to an outer box wall of the worm box 101, an output shaft of a servo motor B115 is fixedly connected with an input shaft of the reducer B116, and a housing of the servo motor B115 is fixedly connected with a housing of the reducer B116. The worm box 101 is fixedly connected to the left lower end face of the connecting plate 103, wherein a rectangular hole is formed in one side box plate of the worm box 101, and the worm wheel 104 penetrates through the rectangular hole to enter the worm box 101 and mesh with the worm 113.
As shown in fig. 5-7, the U-shaped car body 201 and the gantry frame 202 are both U-shaped structures, i.e. each is composed of a bottom beam and two side beams. The end surfaces of two side beams of the gantry frame 202 are respectively and fixedly connected to the upper surface of the bottom beam of the U-shaped vehicle body 201, and the overhanging beam 206 is fixedly connected to the middle part of the outer side surface of the bottom beam of the gantry frame 202 and overhangs out of the gantry frame 202. A vertical cylindrical hole of lead is formed in the overhanging position of the overhanging beam 206, a first thrust roller bearing 211 and a second thrust roller bearing 212 which are of the same structure are coaxially arranged in the cylindrical hole, and the lifting screw 205 is inserted into inner ring inner holes of the first thrust roller bearing 211 and the second thrust roller bearing 212 and is fixedly connected with the inner ring inner holes. One end of the lifting screw 205 is fixedly connected with an output shaft of the lifting reducer 208, a housing of the lifting reducer 208 is fixedly connected with the upper surface of the suspension beam 206, an output shaft of the lifting servo motor 207 is fixedly connected with an input shaft of the lifting reducer 208, and a housing of the lifting servo motor 207 is fixedly connected with the housing of the lifting reducer 208. The same side surfaces of the two side beams of the gantry frame 202 are respectively and fixedly connected with a rolling guide rail A204 and a rolling guide rail B209, a rolling guide rail sliding seat A203 is installed on the rolling guide rail A204 in a sliding mode, and a rolling guide rail sliding seat B210 is installed on the rolling guide rail B209 in a sliding mode.
As shown in fig. 8-11, the square frame 302 is formed of two second beams and two columns. Two cylindrical through holes are respectively arranged near two angular points in the horizontal direction below the square frame 302, two rolling bearings are respectively arranged in the two cylindrical through holes, wherein a rolling bearing I323 and a rolling bearing J324 which have the same structure are coaxially arranged in the cylindrical through hole on one side, and a rolling bearing E317 and a rolling bearing F318 which have the same structure are coaxially arranged in the cylindrical through hole on the other side. The carrier roller A301 and the carrier roller B312 are respectively composed of a section of cylinder and two sections of cones, the two sections of cones are V-shaped in an axial section, the cylinder of the carrier roller A301 is inserted into inner ring inner holes of a rolling bearing I323 and a rolling bearing J324 and extends out of an outlet-shaped frame 302, the end part of the cylinder of the carrier roller A301 is fixedly connected with an output shaft of a speed reducer D326, a shell of the speed reducer D326 is fixedly connected to the outlet-shaped frame 302, an output shaft of a servo motor D325 is fixedly connected with an input shaft of the speed reducer D326, and the shell of the servo motor D325 is fixedly connected to the shell of the speed reducer D. The cylindrical body of the carrier roller B312 is inserted into inner ring inner holes of a rolling bearing E317 and a rolling bearing F318 and is suspended outside the square frame 302, the cylindrical end part of the carrier roller B312 is fixedly connected with an output shaft of a speed reducer C316, a shell of the speed reducer C316 is fixedly connected to the square frame 302, an output shaft of a servo motor C315 is fixedly connected with an input shaft of the speed reducer C316, and a shell of the servo motor C315 is fixedly connected to the shell of the speed reducer C316.
The pin shaft A305 and the pin shaft B311 are fixedly connected to two corners of the square frame in the horizontal direction, the pin shaft A305 and the pin shaft B311 are stepped shafts, namely, the stepped shafts are formed by a section of small-diameter cylinder and a section of large-diameter cylinder, and the end faces of the small-diameter cylinders of the pin shaft A305 and the pin shaft B311 are fixedly connected to the positions near the other two corners of the square frame 302 in the horizontal direction. The extending directions of the pin shaft A305 and the pin shaft B311 are the same as the extending directions of the carrier roller A301 and the carrier roller B312.
The swing arm a304 is a cuboid, a cylindrical through hole in the middle of the swing arm a304 is sleeved in the small-diameter cylinder of the pin shaft a305 and forms clearance fit with the small-diameter cylinder, as shown in fig. 11, one end face of the large-diameter cylinder of the pin shaft a305 fits with the right side face of the swing arm a304, the outer surface of the square frame 302 forms clearance fit with the left side face of the swing arm a304, and the end face of the large-diameter cylinder of the pin shaft a305 forms clearance fit with the right side face of the swing arm a 304. The swing arm B310 is a cuboid, a cylindrical through hole in the middle of the swing arm B310 is sleeved in the small-diameter cylinder of the pin B311 and forms clearance fit with the small-diameter cylinder, as shown in fig. 10, one end face of the large-diameter cylinder of the pin B311 is fitted with the right side face of the swing arm B310, the outer surface of the square frame 302 forms clearance fit with the left side face of the swing arm B310, and the end face of the large-diameter cylinder of the pin B311 forms clearance fit with the right side face of the swing arm B310.
The end of a piston rod of the electric cylinder A306 is rotatably connected with a hinge A303, the end of a cylinder body of the electric cylinder A306 is rotatably connected with a hinge B307, the hinge A303 is connected with one side end of the swing arm A304, and the hinge B307 is connected with the square frame 302. The end of the piston rod of the electric cylinder B314 is rotatably connected with a hinge D313, the end of the cylinder body of the electric cylinder B314 is rotatably connected with a hinge C309, the hinge D313 is connected with one side end of the swing arm B310, and the hinge C309 is connected with the square-shaped frame 302.
The press roller supporting shaft B327 is a stepped shaft, the end face of a large-diameter shaft section of the press roller supporting shaft B327 is fixedly connected to the end portion of the swing arm A304, the press roller B330 is a sleeve, the inner surface of the press roller B330 is a cylindrical hole, the outer surface of the press roller B is composed of two sections of outer conical surfaces, the axial cross sections of the two sections of outer conical surfaces are V-shaped, a rolling bearing K328 and a rolling bearing L329 which have the same structure are coaxially installed in the cylindrical hole of the press roller B330, and the small-diameter shaft section of the press roller supporting shaft B327. The press roller supporting shaft A319 is a stepped shaft, the end face of a large-diameter shaft section of the press roller supporting shaft A319 is fixedly connected to the end portion of the swing arm B310, the press roller A322 is a sleeve, the inner surface of the press roller A322 is a cylindrical hole, the outer surface of the press roller A322 is composed of two outer conical surfaces, the axial cross sections of the two outer conical surfaces are V-shaped, a rolling bearing G320 and a rolling bearing H321 which are of the same structure are coaxially installed in the cylindrical hole of the press roller A322, and the small-diameter shaft section of the press roller supporting shaft A319 is inserted.
A vertical cylindrical hole with the diameter larger than that of a threaded hole of the lifting nut 308 is formed in the middle point of a second cross beam of the square frame 302, the lifting nut 308 is fixedly connected to the upper surface of the square frame 302, and the threaded hole of the lifting nut 308 is coaxial with the vertical cylindrical hole of the square frame 302.
4 driving wheel systems 100 are respectively installed at 4 corner points of the lower surface of the U-shaped vehicle body 201 of the vehicle body system 200, namely, the connecting plate 103 of each driving wheel system 100 is fixedly connected with the lower surface of the U-shaped vehicle body 201. The rolling guide slide A203 and the rolling guide slide B210 of the vehicle body system 200 are respectively and fixedly connected to the same side surfaces of two upright posts of a square frame 302 of the pressure supporting roller system 300. The elevation screw 205 of the vehicle body system 200 is inserted into a vertical cylindrical hole of the square frame 302 of the pressure roller system 300, and is engaged with the elevation nut 308 to form a screw pair. The electronic control system 400 is mounted on the upper surface of the U-shaped vehicle body 201.
In this embodiment, the V-shaped intersections of the pressure roller a322, the pressure roller B330, the idler a301, and the idler B312 are located in the same plane.
The wheel mounting machine of the double-roller type heavy mining dump truck has the functions of moving in any direction and rotating in various radiuses:
1) moving in the direction of the datum line (axis of the tyre)
Starting 4 servo motors B115, driving 4 transmission shafts 112 and 4 travelling wheels 110 to rotate to 4 travelling wheel 110 axes which are vertical to a reference line through 4 speed reducers B116, 4 worms 113, 4 worm wheels 104, 4 worm wheel shafts 105 and 4U-shaped support frames 106, simultaneously starting 4 servo motors A107, driving 4 travelling wheels 110 to rotate at the same speed through 4 speed reducers A108 and 4 transmission shafts 112, and moving the whole wheel mounting machine of the roller-type heavy-duty mining dump truck along the direction of the reference line (tire axis);
2) moving in a direction perpendicular to the reference line
Starting 4 servo motors B115, driving 4 transmission shafts 112 and 4 travelling wheels 110 to rotate to 4 travelling wheel 110 axes which are parallel to a reference line through 4 speed reducers B116, 4 worms 113, 4 worm wheels 104, 4 worm wheel shafts 105 and 4U-shaped support frames 106, simultaneously starting 4 servo motors A107, driving 4 travelling wheels 110 to rotate at the same speed through 4 speed reducers A108 and 4 transmission shafts 112, and moving the whole double-roller type heavy mining dump truck wheel mounting machine along the direction vertical to the reference line;
3) turn at minimum radius
When the two traveling wheels on the left side drive the wheel mounting machine of the double-roller type heavy mining dump truck to move forwards integrally, and the two traveling wheels on the right side drive the wheel mounting machine of the double-roller type heavy mining dump truck to move backwards integrally, the wheel mounting machine of the double-roller type heavy mining dump truck rotates in situ with the minimum radius integrally; when the two traveling wheels on the left side drive the wheel mounting machine of the double-roller type heavy mining dump truck to integrally move backwards, and the two traveling wheels on the right side drive the wheel mounting machine of the double-roller type heavy mining dump truck to integrally move forwards, the wheel mounting machine of the double-roller type heavy mining dump truck integrally rotates reversely in situ with the minimum radius;
4) moving in an oblique direction
When 4 servo motors B115 are started, 4 transmission shafts 112 and 4 traveling wheels 110 are driven by 4 speed reducers B116, 4 worms 113, 4 worm wheels 104, 4 worm wheel shafts 105 and 4U-shaped support frames 106 to rotate to the axes of the 4 traveling wheels 110, which form a certain angle with a reference line, and 4 servo motors A107 are started simultaneously, 4 traveling wheels 110 are driven by 4 speed reducers A108 and 4 transmission shafts 112 to rotate at the same speed simultaneously, the double-roller heavy-duty mining dump truck wheel mounting machine integrally moves along the direction forming a certain angle with the reference line, namely, the double-roller heavy-duty mining dump truck wheel mounting machine also has an oblique movement function.
The wheel mounting machine of the double-roller type heavy mining dump truck has the functions of rotating the wheels of the heavy mining dump truck:
the servo motor D325 drives the carrier roller A301 to rotate through the speed reducer D326; the servo motor C315 drives the B312 to rotate through a speed reducer C316; when the servo motor D325 and the servo motor C315 are started at the same speed in the same direction, the carrier roller A301 and the carrier roller B312 drive wheels of the heavy mining dump truck to rotate at the same time, and the wheels of the heavy mining dump truck drive the pressing roller A322 and the pressing roller B330 to rotate, namely, the rotation of the pressing roller A322 and the pressing roller B330 is passive.
The wheel mounting machine of the double-roller type heavy mining dump truck has the following functions of lifting wheels of the heavy mining dump truck:
the lifting servo motor 207 is started, and the supporting roller system 300, namely the wheels of the heavy mining dump truck, can be driven to lift together through the lifting reducer 208 and the lifting nut 308.
In this embodiment, the servo motor a107, the servo motor B115, the lifting servo motor 207, the servo motor C315, the servo motor D325, the electric cylinder a306, and the electric cylinder B314 are electrically connected to the electric control system 400.
In this embodiment, the servo motor a107, the servo motor B115, the lifting servo motor 207, the servo motor C315, and the servo motor D325 are provided with built-in encoders and band brakes.
The working process of the invention is as follows:
referring to the attached drawings 1-11, firstly, the electric cylinder a306 and the electric cylinder B314 are started simultaneously to retract piston rods of the two electric cylinders, then the swing arm a304 and the swing arm B310 are opened towards two sides together with other components connected with the swing arm a and the swing arm B310, the overhead traveling crane is used for hoisting wheels of the heavy mining dump truck to a carrier roller a301 and a carrier roller B312 of a wheel mounting machine of the double-carrier roller type heavy mining dump truck, the axes of the wheels of the heavy mining dump truck are in a horizontal state in a mode of overhead traveling crane and manual assistance, meanwhile, the electric cylinder a306 and the electric cylinder B314 are started to enable the piston rods of the two electric cylinders to extend outwards, then the swing arm a304 and the swing arm B310 are swung inwards together with other components connected with the swing arm a and the other components connected with the. The carrier roller A301, the carrier roller B312, the compression roller A322 and the compression roller B330 are all V-shaped in shape, so that the wheels of the heavy mining dump truck are just clamped and cannot move axially.
Starting the integral moving and rotating functions of the wheel mounting machine of the double-roller type heavy mining dump truck to enable the wheels of the heavy mining dump truck to reach the position close to the mounting position, and starting to accurately adjust the wheel position of the heavy mining dump truck: the wheels of the heavy mining dump truck reach the correct mounting position through the integral rotation and transverse movement of the wheel mounting machine of the double-roller type heavy mining dump truck and the lifting and rotation of the wheels of the heavy mining dump truck, the wheels of the heavy mining dump truck are sent to the mounting position, after a plurality of connecting nuts are screwed up manually, the wheel mounting machine of the double-roller type heavy mining dump truck is withdrawn integrally, and the mounting process of the wheels of the heavy mining dump truck is finished.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. A double-roller type heavy mining dump truck wheel mounting machine is characterized by comprising a driving wheel system, a truck body system, a roller clamp system and an electric control system;
the driving wheel system mainly comprises a worm box body, a turntable bearing, a connecting plate, a worm wheel shaft, a U-shaped supporting frame, a servo motor A, a speed reducer A, a rolling bearing, a traveling wheel, a transmission shaft, a worm, a servo motor B and a speed reducer B;
the vehicle body system mainly comprises a U-shaped vehicle body, a gantry frame, a rolling guide rail sliding seat A, a rolling guide rail A, a lifting screw rod, a suspension beam, a lifting servo motor, a lifting speed reducer, a rolling guide rail B, a rolling guide rail sliding seat B and a thrust roller bearing;
the carrier roller clamp system mainly comprises a carrier roller A, a square frame, a hinge A, a swing arm A, a pin shaft A, an electric cylinder A, a hinge B, a lifting nut, a hinge C, a swing arm B, a pin shaft B, a carrier roller B, a hinge D, an electric cylinder B, a servo motor C, a speed reducer C, a rolling bearing, a compression roller supporting shaft A, a compression roller A, a servo motor D, a speed reducer D, a compression roller supporting shaft B and a compression roller B;
the U-shaped support frame is composed of a first cross beam and two vertical plates positioned on two sides below the first cross beam; the two vertical plates are respectively provided with a cylindrical through hole, the two cylindrical through holes are coaxial and have the same diameter, a rolling bearing A and a rolling bearing B are respectively arranged in the two cylindrical through holes, and inner ring inner holes of the two rolling bearings are connected with the transmission shaft in a matching manner; the middle part of the transmission shaft is connected with the travelling wheel in a matching way; one end of the transmission shaft is fixedly connected with an output shaft of the speed reducer A, a shell of the speed reducer A is fixedly connected to the outer side surface of the vertical plate, an input shaft of the speed reducer A is fixedly connected with an output shaft of the servo motor A, and a shell of the servo motor A is fixedly connected with the shell of the speed reducer A; the worm wheel shaft is a stepped shaft, and one end of a large-diameter shaft section of the worm wheel shaft is connected to the central point of the upper surface of the first cross beam; the middle part of the large-diameter shaft section of the worm wheel shaft is connected with an inner hole of the worm wheel in a matching way, and the worm wheel is connected with the worm in a meshing way; the small-diameter shaft section of the worm wheel shaft is inserted into an inner ring inner hole of the turntable bearing and is connected with the inner ring inner hole in a matching manner, and the outer ring end face of the turntable bearing is fixed on one side end face of the connecting plate; the end face of the other side of the connecting plate is connected with the worm box body, the worm box body is a rectangular box body, two box plates in the length direction of the worm box body are respectively provided with a cylindrical through hole, the two cylindrical through holes are coaxial and have the same diameter, and a rolling bearing C and a rolling bearing D are respectively arranged in the two cylindrical through holes; the worm is composed of three sections of cylinders, two ends of the worm are equal-diameter cylinder sections, the two equal-diameter cylinder sections are respectively connected with inner ring inner holes of the rolling bearing C and the rolling bearing D in a matching mode, and the middle cylinder section of the worm is connected with the turbine in a meshing mode; one end of the worm is fixedly connected with an output shaft of the speed reducer B, a shell of the speed reducer B is fixedly connected to the outer box wall of the worm box body, an input shaft of the speed reducer B is fixedly connected with an output shaft of the servo motor B, and a shell of the servo motor B is fixedly connected with the shell of the speed reducer B; a rectangular hole is formed in one side box plate of the worm box body, and the worm wheel penetrates through the rectangular hole to enter the worm box body and is meshed and connected with the worm;
the U-shaped vehicle body and the gantry frame are both of U-shaped structures, and the U-shaped structures are formed by a bottom beam and two edge beams; the end surfaces of two edge beams of the gantry frame are respectively and fixedly connected to the upper surface of the bottom beam of the U-shaped vehicle body; the suspension beam is fixedly connected to the middle part of the outer side surface of the bottom beam of the gantry frame and extends out of the gantry frame in a suspension manner, a lead vertical cylindrical hole is formed in the suspension position of the suspension beam, a first thrust roller bearing and a second thrust roller bearing are mounted in the cylindrical hole, and the lifting screw rod is inserted into inner ring inner holes of the two thrust roller bearings and is connected with the inner ring inner holes in a matching manner; one end part of the lifting screw is fixedly connected with an output shaft of the lifting speed reducer, a shell of the lifting speed reducer is fixedly connected with the upper surface of the suspension beam, an input shaft of the lifting speed reducer is fixedly connected with an output shaft of the lifting servo motor, and the shell of the lifting servo motor is fixedly connected to the shell of the lifting speed reducer; the rolling guide rail A and the rolling guide rail B are fixedly connected to the same side faces of the two edge beams of the gantry frame respectively, the rolling guide rail A is provided with the rolling guide rail sliding seat A in a sliding manner, and the rolling guide rail B is provided with the rolling guide rail sliding seat B in a sliding manner;
the square frame consists of two second cross beams and two upright posts; two cylindrical through holes are respectively arranged at two corner points in the horizontal direction below the square frame, and two rolling bearings are respectively arranged in the two cylindrical through holes; the carrier roller A and the carrier roller B are both composed of a section of cylinder and two sections of cones, and the two sections of cones are V-shaped in an axial section; the cylindrical body of the carrier roller A is inserted into inner ring inner holes of the two rolling bearings and stretches out of the square frame, wherein the end part of the cylindrical body of the carrier roller A is fixedly connected with an output shaft of the speed reducer D, a shell of the speed reducer D is fixedly connected to the square frame, an input shaft of the speed reducer D is fixedly connected with an output shaft of the servo motor D, and a shell of the servo motor D is fixedly connected to the shell of the speed reducer D; the cylinder of the carrier roller B is inserted into inner ring inner holes of the two rolling bearings and stretches out of the square frame, wherein the end part of the cylinder of the carrier roller B is fixedly connected with an output shaft of the speed reducer C, a shell of the speed reducer C is fixedly connected to the square frame, an input shaft of the speed reducer C is fixedly connected with an output shaft of the servo motor C, and a shell of the servo motor C is fixedly connected to the shell of the speed reducer C; the pin shaft A and the pin shaft B are fixedly connected to two angular points in the horizontal direction above the square-shaped frame respectively, the pin shaft A and the pin shaft B are stepped shafts, each stepped shaft is composed of a section of small-diameter cylinder and a section of large-diameter cylinder, and the end faces of the small-diameter cylinders of the pin shaft A and the pin shaft B are connected with the two angular points respectively; the extending directions of the pin shaft A and the pin shaft B are the same as the extending directions of the carrier roller A and the carrier roller B; the swing arm A is a cuboid, a cylindrical through hole in the middle of the swing arm A is sleeved in the small-diameter cylinder of the pin shaft A and forms clearance fit with the small-diameter cylinder, one end face of the large-diameter cylinder of the pin shaft A is attached to one side face of the swing arm A and forms clearance fit, and the outer surface of the square frame forms clearance fit with the other side face of the swing arm A; the swing arm B is a cuboid, a cylindrical through hole in the middle of the swing arm B is sleeved in the small-diameter cylinder of the pin shaft B and forms clearance fit with the small-diameter cylinder, one end face of the large-diameter cylinder of the pin shaft B is attached to one side face of the swing arm B and forms clearance fit, and the outer surface of the square frame forms clearance fit with the other side face of the swing arm B;
the end part of a piston rod of the electric cylinder A is rotatably connected with the hinge A, the end part of a cylinder body of the electric cylinder A is rotatably connected with the hinge B, the hinge A is connected with the end part of the side surface of the swing arm A, and the hinge B is connected with the square-shaped frame; the end part of a piston rod of the electric cylinder B is rotatably connected with the hinge D, the end part of a cylinder body of the electric cylinder B is rotatably connected with the hinge C, the hinge D is connected with the end part of the side surface of the swing arm B, and the hinge C is connected with the square-shaped frame; the compression roller supporting shaft B is a stepped shaft, the end face of a large-diameter shaft section of the compression roller supporting shaft B is fixedly connected to the end part of the swing arm A, the compression roller B is of a sleeve structure, the inner surface of the compression roller B is a cylindrical hole, the outer surface of the compression roller B is composed of two outer conical surfaces, the axial cross sections of the two outer conical surfaces are V-shaped, two rolling bearings are installed in the cylindrical hole of the compression roller B, and the small-diameter shaft section of the compression roller supporting shaft B is inserted into inner ring inner holes of the; the compression roller supporting shaft A is a stepped shaft, the end face of a large-diameter shaft section of the compression roller supporting shaft A is fixedly connected to the end part of the swing arm B, the compression roller A is of a sleeve structure, the inner surface of the compression roller A is a cylindrical hole, the outer surface of the compression roller A is composed of two outer conical surfaces, the axial cross sections of the two outer conical surfaces are V-shaped, two rolling bearings are installed in the cylindrical hole of the compression roller A, and the small-diameter shaft section of the compression roller supporting shaft A is inserted into inner ring inner holes of the;
a vertical cylindrical hole with the diameter larger than that of the threaded hole of the lifting nut is arranged at the midpoint of the second cross beam above the square frame, the lifting nut is fixedly connected to the upper surface of the square frame, and the threaded hole of the lifting nut is coaxial with the vertical cylindrical hole of the square frame;
4 driving wheel systems are respectively installed at 4 corner points of the lower surface of the U-shaped vehicle body of the vehicle body system, and a connecting plate of each driving wheel system is fixedly connected with the lower surface of the U-shaped vehicle body; the rolling guide rail sliding seat A and the rolling guide rail sliding seat B of the vehicle body system are respectively and fixedly connected to the same side surfaces of the two upright posts of the square frame of the pressure supporting roller system; a lifting screw rod of the vehicle body system is inserted into a vertical cylindrical hole of the square frame of the pressure supporting and pressing roller system and is matched with the lifting nut to form a thread pair; the electric control system is arranged on the upper surface of the U-shaped vehicle body.
2. The wheel mounting machine for the double-roller type heavy mining dump truck according to claim 1, wherein V-shaped intersections of the pressing roller a, the pressing roller B, the carrier roller a and the carrier roller B are located in the same plane.
3. The wheel mounting machine for the double-roller type heavy mining dump truck according to claim 1, wherein the servo motor A, the servo motor B, the lifting servo motor, the servo motor C, the servo motor D, the electric cylinder A and the electric cylinder B are electrically connected with the electric control system.
4. The wheel mounting machine for the double-roller type heavy mining dump truck according to claim 1 or 3, wherein the servo motor A, the servo motor B, the lifting servo motor, the servo motor C and the servo motor D are all internally provided with encoders and band-type brakes.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111421495A (en) * | 2020-04-02 | 2020-07-17 | 武汉市研华智造环保科技有限公司 | Remove tool of supplementary fan spiral case installation |
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| CN111421495A (en) * | 2020-04-02 | 2020-07-17 | 武汉市研华智造环保科技有限公司 | Remove tool of supplementary fan spiral case installation |
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