CN114955846A

CN114955846A - Gantry frame type carrier capable of being moved universally

Info

Publication number: CN114955846A
Application number: CN202210502408.3A
Authority: CN
Inventors: 王勇; 倪丽莎; 王丹; 刘柯
Original assignee: 32181 Troops of PLA
Current assignee: 32181 Troops of PLA
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-08-30

Abstract

The invention discloses a universally movable gantry frame type carrier which comprises a frame, wherein universal power steering wheels are uniformly arranged at the bottom of the frame, and a gantry frame is arranged on the frame; the gantry frame is provided with a transverse moving platform assembly which can stretch forwards along the horizontal direction, and the transverse moving platform assembly is provided with a winch. The bottom four corners of frame evenly are provided with universal bearing wheel. The gantry frame comprises a left base and a right base, two lifting stand columns are arranged on the left base in the front and back direction, and two lifting stand columns are arranged on the right base in the front and back direction. According to the technical scheme, the gantry frame can move left and right relative to the frame, the frame can move universally, the transverse moving platform assembly can move left and right, and the winch arranged on the transverse moving platform assembly can move in any direction, so that the gantry frame type carrier can move in any direction without turning to a shell, and the gantry frame type carrier has the advantages of labor saving, equipment saving, high flexibility, convenience in use and the like.

Description

Gantry frame type carrier capable of being moved universally

Technical Field

The invention relates to the field of mobile carrying equipment, in particular to a universally movable gantry frame type carrier.

Background

The storage of materials in the underground coal mine or in the cave depot belongs to a special environment, the transportation and placement of the materials have strict requirements, particularly the underground coal mine has the requirement of environmental explosion prevention, the difficulty of transporting and placing stacks of the materials is increased, and the requirement of transporting and placing the stacks of large overweight materials is more strict. Under the normal condition, when large overweight materials are stored in a coal mine or a cave depot, if the position for stacking the large overweight materials in the coal mine or the cave depot is far away from the ground or an exit of the cave depot, a loading and unloading and carrying device and a flat car in the mine or the cave depot are needed, the large overweight materials are firstly conveyed to the underground or the cave depot from the ground or outside the cave depot through the flat car, and then the large overweight materials are loaded, unloaded, carried and stacked to a specified position from the flat car through the loading and unloading and carrying device, so that the work of conveying and stacking the large overweight materials can be completed.

In order to reduce the number of equipment and improve the working efficiency, the flat car and the loading, unloading and carrying device are necessary to be made into two-in-one equipment, and the equipment has the integrated functions of loading, unloading, carrying and transporting underground or in a warehouse. Therefore, a lifting device which can move in multiple dimensions and is flexible in lifting is needed.

Therefore, how to design a lifting and carrying integrated device which can be applied to underground coal mines or caverns is a technical problem which needs to be solved by technical personnel in the field at present.

Disclosure of Invention

In order to solve the technical problems, the invention mainly aims to provide a universally movable gantry frame type carrier, so as to solve the technical problems that the carrier is not easy to turn around and needs a separate lifting device in the prior art.

In order to achieve the above object, the present invention adopts the following technical solutions.

The universally movable gantry frame type carrier is characterized by comprising a frame, universal power steering wheels are uniformly arranged at the bottom of the frame, and a gantry frame is arranged on the frame; the gantry frame is provided with a transverse moving platform assembly which can stretch forwards along the horizontal direction, and the transverse moving platform assembly is provided with a winch.

Furthermore, universal bearing wheels are uniformly arranged at four corners of the bottom of the frame.

Furthermore, the gantry frame comprises a left base and a right base, two liftable stand columns are arranged on the left base in the front and back direction, two liftable stand columns are arranged on the right base in the front and back direction, a front cross beam is arranged between the liftable stand column on the front side of the left base and the liftable stand column on the front side of the right base, a rear cross beam is arranged between the liftable stand column on the rear side of the left base and the liftable stand column on the rear side of the right base, the left end of the front cross beam is connected with the left end of the rear cross beam through a connecting rod, and the right end of the front cross beam is connected with the right end of the rear cross beam through a connecting rod; the transverse moving platform assembly is erected on the front cross beam and the rear cross beam, and the winch is arranged on the transverse moving platform assembly.

Furthermore, a pair of V-shaped groove assemblies extending in the front-back direction are horizontally arranged on the right side face of the left base and the left side face of the right base respectively, and each V-shaped groove assembly comprises an upper V-shaped groove with a downward opening and a lower V-shaped groove with an upward opening; the left side surface and the right side surface of the frame are provided with three V-shaped rollers matched with the upper V-shaped groove and the lower V-shaped groove which are on the same side; the left base and the right base are respectively provided with a connecting pin, and the left side surface and the right side surface of the frame are respectively provided with a pin hole matched with the left side surface and the right side surface of the frame.

Furthermore, the right side of the left base and the left side of the right base are respectively and horizontally provided with a third rack, the left side and the right side of the frame are respectively provided with a third gear motor, and an output shaft of each third gear motor is connected with a third gear meshed with the third rack.

Furthermore, the front end and the rear end of the lower surface of the left base are respectively provided with a lifting universal wheel, and the front end and the rear end of the lower surface of the right base are respectively provided with a lifting universal wheel.

Furthermore, the transverse moving platform assembly comprises two parallel transverse moving guide rails arranged along the front-back direction, a moving flat plate is arranged between the two transverse moving guide rails, first racks in the front-back direction are respectively arranged on the left side and the right side of the moving flat plate, and first gears meshed with the first racks are respectively arranged on the inner sides of the two transverse moving guide rails; the transverse moving guide rail is a hollow square tube, a first gear motor for driving the first gear to rotate is arranged in the transverse moving guide rail, and an output shaft of the first gear motor is connected with the first gear.

Further, a second rack with upward teeth is arranged at the bottom of the front side of the rear cross beam; a connecting plate is arranged between the two transverse moving guide rails, a second gear meshed with the second rack is arranged at the rear end of the connecting plate, a second speed reducing motor used for driving the second gear to rotate is arranged on the moving flat plate, and an output shaft of the second speed reducing motor is connected with the second gear.

Further, the lifting upright column comprises an inner column 3031 and an outer sleeve 3032 which can slide relatively, a lifting cylinder 3033 is arranged at the inner bottom of the outer sleeve 3032, a cylinder body of the lifting cylinder 3033 is fixedly connected with the bottom of the outer sleeve 3032, and a piston rod of the lifting cylinder 3033 is fixedly connected with the lower end surface of the inner column 3031.

Further, the winch comprises a winch motor, a rope pulley and a steel wire rope; the shell of the hoisting motor is fixedly connected to the tail of the movable flat plate, an output shaft of the hoisting motor is fixedly connected with a wheel shaft of the rope wheel, a fixed pulley is arranged at the front end of the movable flat plate, one end of the steel wire rope is fixedly connected to the rope wheel, and a hook is connected to the other end of the steel wire rope after the steel wire rope bypasses the fixed pulley.

Compared with the prior art, the technical scheme of the invention has the advantages that the gantry frame can move left and right relative to the frame, the frame can move universally, the transverse moving platform assembly can move front and back and left and right, and the winch arranged on the transverse moving platform assembly realizes the movement in any direction, so that the gantry frame type carrier can move in any direction without being turned to a shell, and the gantry frame type carrier has the advantages of manpower saving, equipment saving, high flexibility, convenience in use and the like.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a perspective view of a universally movable gantry frame truck according to the present invention;

FIG. 2 is a front view of the universally movable gantry frame truck of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic view of the traverse platform assembly of the universally movable gantry frame truck of the present invention with the traverse rails and the moving platen removed;

FIG. 5 is a schematic view of a portion of the details of the base and the column of the universally movable gantry frame truck of the present invention.

FIG. 6 is a perspective view of another perspective of one embodiment of the universally movable gantry frame cart of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at B;

in the above figures:

1, a frame; 2 universal power steering wheel;

3, a gantry frame; 301 a left base; 302 right base; 303, lifting columns; 304 a front cross beam; 305 a rear cross member; 306 a connecting rod;

4 traversing the platform assembly; 401 traversing the guide rails; 402 moving the plate; 403 a first rack; 404 a first gear; 405 a first reduction motor;

5, a winch; 501, a winding motor; 502 a sheave; 503 steel wire ropes; 504 a fixed pulley; 505 is hooked;

6 universal bearing wheels; a 7V-groove component; a V-shaped groove is arranged on the base 701; 702, arranging a V-shaped groove; 8V-shaped rollers; 9 connecting pins; 10 a third rack; 11 a third reduction motor; 12 a third gear; 13 a second rack; 14 a second gear; 15 a second reduction motor; 16 lifting universal wheels; and 17 connecting the plates.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1, 2 and 6, a universal movable gantry frame type truck includes a truck frame 1, universal power steering wheels 2 are uniformly arranged at the bottom of the truck frame 1, and a gantry frame 3 is arranged on the truck frame 1; the gantry frame 3 is provided with a transverse moving platform assembly 4 capable of stretching forwards along the horizontal direction, and the transverse moving platform assembly 4 is provided with a winch 5.

In the above embodiment, the universal power steering wheel 2 is arranged at the bottom of the frame 1, and can rotate to the same direction in the horizontal plane and rotate, the gantry frame 3 is arranged at the top of the universal frame 1, the gantry frame 3 can move back and forth in a telescopic manner, the frame 1 initially moves to the side of a heavy object, the transverse moving platform assembly 4 is started to move back and forth to the position right above the heavy object, and the winch 5 can hoist the heavy object and move the heavy object to the frame 1. Therefore, the universal movable gantry frame type carrier can realize the movement and lifting operation in any direction without turning the whole frame 1, and is very suitable for carrying heavy objects in a long and narrow space.

Furthermore, in order to reduce the pressure of the universal power steering wheel 2, four corners of the bottom of the frame 1 are uniformly provided with universal bearing wheels 6. The universal bearing wheel 6 follows up with the movement of the frame 1, and plays a role in sharing the pressure of the universal power steering wheel 2.

Further, referring to fig. 1, the gantry frame 3 includes a left base 301 and a right base 302, two liftable columns 303 are arranged on the left base 301 front and back, two liftable columns 303 are arranged on the right base 302 front and back, a front cross beam 304 is arranged between the liftable column 303 on the front side of the left base 301 and the liftable column 303 on the front side of the right base 302, a rear cross beam 305 is arranged between the liftable column 303 on the rear side of the left base 301 and the liftable column 303 on the rear side of the right base 302, the left end of the front cross beam 304 is connected with the left end of the rear cross beam 305 through a connecting rod 306, and the right end of the front cross beam 304 is connected with the right end of the rear cross beam 305 through a connecting rod 306; the traverse platform assembly 4 is erected on the front cross beam 304 and the rear cross beam 305, and the winch 5 is arranged on the traverse platform assembly 4.

In the above embodiment, the front beam 304 and the rear beam 305 of the gantry frame 3 are connected by the connecting rod 306, so that the structural stability of the gantry frame 3 is enhanced, and the gantry frame 3 can be effectively prevented from side-turning.

Further, referring to fig. 2 and 3, a pair of V-groove assemblies 7 extending in the front-rear direction are horizontally disposed on the right side surface of the left base 301 and the left side surface of the right base 302, respectively, and each V-groove assembly 7 includes an upper V-groove 701 with a downward opening and a lower V-groove 702 with an upward opening; the left side surface and the right side surface of the frame 1 are provided with three V-shaped rollers 8 matched with an upper V-shaped groove 701 and a lower V-shaped groove 702 on the same side; the left base 301 and the right base 302 are respectively provided with a connecting pin 9, and the left side surface and the right side surface of the frame 1 are respectively provided with a pin hole matched with the left side surface and the right side surface.

Further, referring to fig. 1, a third rack 10 is horizontally disposed on each of the right side surface of the left base 301 and the left side surface of the right base 302, third reduction motors 11 are disposed on each of the left side surface and the right side surface of the frame 1, and an output shaft of each third reduction motor 11 is connected to a third gear 12 engaged with the third rack 10.

In the above embodiment, the V-groove members 7 provided on the left base 301 and the right base 302 sandwich the V-wheels provided on the vehicle frame 1, and the stability of the carrier can be further improved. The frame 1 and the gantry frame 3 can move forward and backward in a relative staggered way, so that the gantry frame 3 moves above a heavy object.

Further, referring to fig. 2, the front and rear ends of the lower surface of the left base 301 are respectively provided with a liftable universal wheel 16, and the front and rear ends of the lower surface of the right base 302 are respectively provided with a liftable universal wheel 16.

In the above embodiment, when the gantry frame 3 moves above the heavy object in a staggered manner with respect to the frame 1 for lifting operation, the gantry frame 3 needs to be stably supported, so that the liftable universal wheels 16 are respectively disposed at the front and rear ends of the left base 301 and the right base 302, when the gantry frame 3 is lifted, the liftable universal wheels 16 extend to support the ground well, and when the lifting operation is finished, the liftable universal wheels 16 are retracted.

Further, referring to fig. 6 and 7, the traverse platform assembly 4 includes two parallel traverse rails 401 arranged in the front-rear direction, a moving plate 402 is arranged between the two traverse rails 401, first racks 403 in the front-rear direction are respectively arranged on the left and right sides of the moving plate 402, and first gears 404 engaged with the first racks 403 are respectively arranged on the inner sides of the two traverse rails 401; the traverse guide 401 is a hollow square tube, a first gear motor 405 for driving the first gear 404 to rotate is arranged in the traverse guide 401, and an output shaft of the first gear motor 405 is connected with the first gear 404.

In the above embodiment, how the moving plate 402 moves back and forth in the traverse platform assembly 4 is described in detail.

Further, referring to fig. 6 and 7, the front side bottom of the rear cross beam 305 is provided with a second rack 13 with upward teeth; a connecting plate 17 is arranged between the two traverse guide rails 401, a second gear 14 meshed with the second rack 13 is arranged at the rear end of the connecting plate 17, a second speed reducing motor 15 used for driving the second gear 14 to rotate is arranged on the moving flat plate 402, and an output shaft of the second speed reducing motor 15 is connected with the second gear 14.

In this embodiment, how the two traverse guide rails 401 in the traverse platform assembly 4 move left and right is specifically described. Through the two embodiments, the front, back, left and right movement of the transversely moving flat plate is realized. Thereby driving the hoist 5 mounted thereon to move back and forth and left and right.

Further, referring to fig. 5, the liftable column 303 includes an inner column 3031 and an outer sleeve 3032 which can slide relatively, a lifting cylinder 3033 is disposed at the inner bottom of the outer sleeve 3032, a cylinder body of the lifting cylinder 3033 is fixedly connected to the bottom of the outer sleeve 3032, and a piston rod of the lifting cylinder 3033 is fixedly connected to the lower end surface of the inner column 3031.

In the above embodiment, the liftable column 303 includes the inner column 3031 and the outer sleeve 3032 which can slide relatively, so as to realize the lifting and lowering of the gantry frame 3.

Further, referring to fig. 6 and 7, the hoist 5 includes a hoist motor 501, a sheave 502, and a wire rope 503; a housing of the hoisting motor 501 is fixedly connected to the tail of the movable flat plate 402, an output shaft of the hoisting motor 501 is fixedly connected to an axle of the rope sheave 502, a fixed pulley 504 is arranged at the front end of the movable flat plate 402, one end of the steel wire rope 503 is fixedly connected to the rope sheave 502, and the other end of the steel wire rope is connected to a hook 505 after passing around the fixed pulley 504.

Although the present invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention as claimed.

Claims

1. A universally movable gantry frame type carrier is characterized by comprising a frame (1), universal power steering wheels (2) are uniformly arranged at the bottom of the frame (1), and a gantry frame (3) is arranged on the frame (1); the gantry frame (3) is provided with a transverse moving platform assembly (4) capable of stretching forwards along the horizontal direction, and the transverse moving platform assembly (4) is provided with a winch (5).

2. The universally movable gantry frame truck according to claim 1, characterized in that universal bearing wheels (6) are evenly arranged at four corners of the bottom of the truck frame (1).

3. The universally movable gantry frame truck of claim 2, the gantry frame (3) comprises a left base (301) and a right base (302), the lifting device is characterized in that two lifting upright columns (303) are arranged on the left base (301) in the front-back direction, two lifting upright columns (303) are arranged on the right base (302) in the front-back direction, a front cross beam (304) is arranged between the lifting upright column (303) on the front side of the left base (301) and the lifting upright column (303) on the front side of the right base (302), a rear cross beam (305) is arranged between the lifting upright column (303) on the rear side of the left base (301) and the lifting upright column (303) on the rear side of the right base (302), the left end of the front cross beam (304) is connected with the left end of the rear cross beam (305) through a connecting rod (306), and the right end of the front cross beam (304) is connected with the right end of the rear cross beam (305) through the connecting rod (306); the transverse moving platform assembly (4) is erected on the front cross beam (304) and the rear cross beam (305), and the winch (5) is arranged on the transverse moving platform assembly (4).

4. The universally movable gantry frame type truck according to claim 3, wherein a pair of V-groove assemblies (7) extending in a front-rear direction are horizontally provided on a right side surface of the left base (301) and a left side surface of the right base (302), respectively, and the V-groove assemblies (7) include an upper V-groove (701) having a downward opening and a lower V-groove (702) having an upward opening; the left side surface and the right side surface of the frame (1) are provided with three V-shaped rollers (8) matched with an upper V-shaped groove (701) and a lower V-shaped groove (702) on the same side; the left base (301) and the right base (302) are respectively provided with a connecting pin (9), and the left side surface and the right side surface of the frame (1) are respectively provided with a pin hole matched with the left side surface and the right side surface.

5. The universally movable gantry frame truck according to claim 4, wherein a third rack (10) is horizontally disposed on each of the right side surface of the left base (301) and the left side surface of the right base (302), third reduction motors (11) are disposed on each of the left side surface and the right side surface of the truck frame (1), and a third gear (12) engaged with the third rack (10) is connected to an output shaft of each third reduction motor (11).

6. The gantry frame type truck capable of universal movement according to claim 5, wherein the left base (301) is provided with lifting universal wheels (16) at the front and rear ends of the lower surface thereof, and the right base (302) is provided with lifting universal wheels (16) at the front and rear ends of the lower surface thereof.

7. The gantry frame type truck of claim 6, wherein the traverse platform assembly (4) comprises two parallel traverse rails (401) arranged in a front-rear direction, a moving plate (402) is disposed between the two traverse rails (401), first racks (403) arranged in the front-rear direction are respectively disposed on left and right sides of the moving plate (402), and first gears (404) engaged with the first racks (403) are respectively disposed on inner sides of the two traverse rails (401); the transverse moving guide rail (401) is a hollow square tube, a first speed reducing motor (405) for driving the first gear (404) to rotate is arranged in the transverse moving guide rail (401), and an output shaft of the first speed reducing motor (405) is connected with the first gear (404).

8. The universally movable gantry frame truck according to claim 7, characterized in that the front side bottom of the rear cross beam (305) is provided with a second rack (13) toothed upwards; a connecting plate (17) is arranged between the two transverse moving guide rails (401), a second gear (14) meshed with the second rack (13) is arranged at the rear end of the connecting plate (17), a second speed reducing motor (15) used for driving the second gear (14) to rotate is arranged on the moving flat plate (402), and an output shaft of the second speed reducing motor (15) is connected with the second gear (14).

9. The gantry frame type truck capable of moving universally according to claim 8, wherein the liftable column (303) comprises an inner column (3031) and an outer sleeve (3032) which can slide relatively, a lifting cylinder (3033) is arranged at the inner bottom of the outer sleeve (3032), the cylinder body of the lifting cylinder (3033) is fixedly connected with the bottom of the outer sleeve (3032), and the piston rod of the lifting cylinder (3033) is fixedly connected with the lower end surface of the inner column (3031).

10. The universally movable gantry frame truck according to claim 1, wherein the hoist (5) comprises a hoist motor (501), a sheave (502), and a wire rope (503); the shell of the hoisting motor (501) is fixedly connected to the tail of the movable flat plate (402), an output shaft of the hoisting motor (501) is fixedly connected to an axle of the rope wheel (502), a fixed pulley (504) is arranged at the front end of the movable flat plate (402), one end of the steel wire rope (503) is fixedly connected to the rope wheel (502), and a hook (505) is connected to the other end of the steel wire rope after bypassing the fixed pulley (504).