CN209972412U - Manual rotary moving paired wheel control mechanism of carrying moving equipment - Google Patents

Abstract

A pair wheel control mechanism capable of manually rotating and moving a carrying moving device is applied to hoisting equipment, automobiles, rescue equipment, rehabilitation equipment and old-people assisting equipment. The mechanism comprises a main control mechanism, a lifting control mechanism, a walking control mechanism and a locking mechanism. The main control mechanism controls the lifting control mechanism and the walking control mechanism to realize the lifting, falling, translation and rotary walking of the loading mobile equipment through the up-and-down swinging of the handle; the lifting control mechanism adopts an oil cylinder and a tension spring to control the lifting and falling of the lifting and falling shaft; the walking control mechanism adopts a paired wheel and a ratchet wheel mechanism to control the rotation and the steering of a middle shaft; the locking mechanism is used for switching a safety protection mechanism for lifting and dropping the automobile and moving the automobile. In the case of automobiles, a walking control mechanism is adopted to enable the vehicles to move and rotate transversely; the lifting mechanism can reduce the pressure of the wheel when the vehicle is parked, thereby prolonging the service life of parts such as tires, hubs, axles and the like; the lifting mechanism also enables the fallen vehicle to be helped to escape.

Description

Manual rotary moving paired wheel control mechanism of carrying moving equipment

Technical Field

The utility model relates to a mechanical control mechanism, especially an use manual ability swivelling movement coupling wheel control mechanism at year thing mobile device.

Background

The object carrying moving equipment comprises object carrying moving equipment such as hoisting equipment, automobiles, rescue equipment, rehabilitation equipment, disabled and old-people assisting equipment and the like. The mechanism is a control mechanism applied to the carrying moving equipment and is a core mechanism of the carrying moving equipment. As for automobiles, at present, devices for transversely moving automobiles do not appear on the market, and the existing automobiles on the market also have no transversely moving devices, so that the automobiles are difficult to park and move; the prior art has the problems of complex structure, inconvenient operation and the like.

Disclosure of Invention

In order to solve the problem, the utility model provides a manual ability swivelling movement wheel control mechanism who carries thing mobile device. The mechanism can control the omnibearing automobile transverse moving device, solves the problem that the existing automobile can not be positioned in a small space, and can also transversely move out of the automobile when obstacles (including the automobile) are arranged at the front and the rear.

The utility model provides a technical scheme that its technical problem adopted is: a manual wheel pair rotating and moving control mechanism of a carrying moving device comprises a general control mechanism, a lifting control mechanism, a walking control mechanism and a locking mechanism. The mechanism is basically a symmetrical structure.

The main control mechanism consists of a frame body, a handle, a loop bar seat, a fixed pin, a rotating rod, a ratchet seat outer cover, a ratchet seat inner cover, a screw and a middle shaft; the frame body is in a hollow cuboid shape and is a supporting frame of the mechanism; the handle is composed of two T-shaped cylinders, the cylinder at the lower end of the handle is a circular tube which is sleeved on the loop bar, the upper part of the loop bar is a circular tube, the lower part of the loop bar is a loop bar seat, the front end and the rear end of the loop bar seat are fixedly provided with a ratchet seat by screws, the two sides of each ratchet seat are fixedly connected with a ratchet seat outer cover and a ratchet seat inner cover by a ratchet shaft, the ratchet seat outer cover and the ratchet seat inner cover are provided with circular holes which are matched and connected with a center shaft, the center shaft is arranged on the frame. The upper part of the rotating rod is a cylindrical pipe, and the lower part of the rotating rod is a cylindrical shaft. The upper part of the rotating rod is fixedly connected with the handle through a fixing pin, and the handle and the rotating rod can move up and down and rotate along the loop bar. The handle, the loop bar seat, the rotating bar and the ratchet wheel seat can swing up and down around the axis of the middle shaft.

The lifting control mechanism controls the falling (mechanism is lifted) and the lifting (mechanism falls) of the lifting shaft; the device consists of a loop bar, a loop bar seat support arm, a pulling and pressing shaft, an oil cylinder driving rod, an oil cylinder support arm, an oil cylinder rod, an oil cylinder ejecting shaft, a support rotating shaft, a tension spring and a lifting shaft. The oil cylinder is provided with an oil cylinder support arm, an oil cylinder driving rod, a pressure relief rod and an oil cylinder rod; the oil cylinder support arm is arranged on the middle shaft, and the oil cylinder can swing around the middle shaft; the sleeve rod seat is provided with a sleeve rod seat support arm, a pulling and pressing shaft is fixedly arranged on the sleeve rod seat support arm, the pulling and pressing shaft is arranged in a square frame of the oil cylinder drive rod, and the oil cylinder drive rod can move up and down in the oil cylinder and can drive the oil cylinder rod to extend; the right end of the oil cylinder rod is connected with an oil cylinder jacking shaft, two ends of the oil cylinder jacking shaft are respectively connected with a support, the supports are triangular plate-shaped and are connected to the support body through support rotating shafts, and the supports can rotate around the support rotating shafts. The lower end of the bracket is connected with a lifting shaft. The oil cylinder jacking shaft is connected with two tension springs, and the upper ends of the tension springs are connected to the frame body. When the lifting and falling shaft is required to fall down, the sleeve rod is driven by hands to swing up and down to drive the pulling and pressing shaft and the oil cylinder driving rod to move up and down, the oil cylinder rod is pushed out to extend, the support is driven to rotate clockwise around the support rotating shaft, the lifting and falling shaft can rotate to a low point to drive the lifting and falling shaft to fall down, and the tension spring is in a stretching state. When the lifting shaft is required to be lifted, the oil cylinder is in a pressure relief state, the oil cylinder rod loses oil pressure thrust, and the lifting shaft is pulled up under the tension of the tension spring.

The walking control mechanism controls the rotation and the steering of the middle shaft; the device consists of a rotating rod, a sliding sleeve, a pillar, a pin shaft, a pair wheel upper plate, a gear, a connecting pin, a pair wheel deflector rod, a pair wheel lower plate, a sleeve rod seat, a pawl, a ratchet shaft, a ratchet wheel, a pin, a ratchet wheel seat, a blocking sleeve, a nut, a chain wheel and a key. The cylindrical shaft at the lower end of the rotating rod is provided with two gears and two sliding sleeves, one gear is fixed on the rotating rod through a connecting pin, the sliding sleeves are arranged on the gears, circular pipes are symmetrically arranged at two ends of each sliding sleeve, circular holes are symmetrically arranged in the sleeve rod seats, the sliding sleeve circular pipes are inserted into the circular holes of the sleeve rod seats, and the sliding sleeves can move up and down in the circular holes of the sleeve rods along with the rotating rod; the inner hole of a round pipe of the sliding sleeve is connected with a small shaft section of a pin shaft, the pin shaft is a two-section stepped cylindrical shaft, the pin shaft is divided into a large shaft section and a small shaft section, the number of the pin shafts is two, the pin shafts are symmetrically placed on two sides of the rotating shaft in the front-back direction, a pair wheel upper plate, a pair wheel deflector rod and a pair wheel lower plate are sleeved on the large shaft sections of the two pin shafts, the pair wheel upper plate and the pair wheel lower plate are respectively one, the pair wheel upper plate and the pair wheel lower plate are identical in appearance and are symmetrical rhombuses, two large round holes and two small round holes are symmetrically arranged on the pair wheel upper plate and the pair wheel lower plate, the two large round holes are sleeved on the large shaft section of the pin shaft, two; the lower part of the loop bar seat is provided with a square frame, a cylindrical boss is arranged in the middle of a bottom frame of the square frame, the cylindrical boss is in clearance fit with a blind hole of the lower wheel plate, and the whole formed by connecting the upper wheel plate and the lower wheel plate can rotate around the rotating shaft; the two pair of wheel deflector rods are the same in shape and are in the shape of a sector gear, the other end of each gear tooth is a cylindrical rod, the sector gear is provided with a cylindrical hole, the cylindrical hole is sleeved on the large shaft section of the pin shaft, the pair of wheel deflector rods are arranged between the lower plate of the pair of wheels and the gear on the rotating shaft, the two sector gears are meshed with each other, and the cylindrical rods of the two pair of wheel deflector rods are inserted into the ratchet wheel seats on the two sides through square holes of the inner covers of the ratchet wheel seats respectively and; a gear is sleeved on one pin shaft and fixedly connected with a pair wheel deflector rod below the pin shaft into a whole, and the gear is meshed with the gear on the rotating shaft; the middle of the upper plate of the coupling is provided with inner gear teeth which are internally meshed with the gear on the rotating shaft; a ratchet wheel is sleeved on a middle shaft in the ratchet wheel seat, the ratchet wheel is fixed on the middle shaft through a pin, a ratchet shaft is arranged above the ratchet wheel, a pawl is sleeved on the ratchet shaft and can rotate around the ratchet shaft, ratchets are arranged on two sides of the lower end of the pawl, and the ratchets can clamp teeth of the ratchet wheel to limit the rotation direction of the ratchet wheel; the two sides of the pawl are provided with coil springs, the lower ends of the coil springs are fixed on the ratchet wheel seat, the coil springs are propped against the side surface of the pawl, only the acting forces of the two coil springs are considered, the pawl is required to keep a middle balance position, and the pawl is separated from the ratchet wheel. The middle shaft is a coaxial cylindrical shaft with two sections sleeved together and can rotate relatively, and the middle shaft is positioned on the frame body through a nut and a spring retainer ring and can only rotate on the frame body. The two sides of the middle shaft are provided with a blocking sleeve and a chain wheel, and the chain wheel is connected on the middle shaft through a key to form a key connection.

The locking mechanism is a switching mechanism of a walking operating mechanism and a lifting operating mechanism and is also a safety protection mechanism; the brake lever locking device comprises a locking handle, a locking screw, a locking frame, a locking brake lever, a locking pin shaft, a pressure relief lever, a locking spring, a brake lever head, a locking positioning pin and a positioning groove; hydro-cylinder upper portion is equipped with the locking frame, and the locking frame is as an organic whole with the hydro-cylinder, and the locking frame is the rectangle frame shape, is equipped with the pressure relief pole in the rectangle frame shape, and the pressure relief pole lower part is that the cylindric lock stretches into the hydro-cylinder in, is the switch of hydro-cylinder work, and the pressure relief pole can reciprocate and have two positions: the oil cylinder normally works when the pressure relief rod is pressed downwards to the bottom in the lower position, and the oil cylinder driving rod moves up and down to drive the oil cylinder rod to extend out; when the hydraulic cylinder is in an upper position, the pressure relief rod is lifted upwards, the hydraulic cylinder is in a pressure relief state, and the hydraulic cylinder driving rod loses the effect. A cuboid is arranged at the middle lower part of the pressure relief rod, an oblong groove is arranged in the cuboid, a brake rod head for locking the end part of the brake rod is placed in the oblong groove, and the brake rod head can slide in the oblong groove; the upper part of the pressure relief rod is a cylindrical rod, the upper end of the cylindrical rod is provided with a threaded hole, a locking handle is sleeved outside the cylindrical rod, a counter bore is formed in the locking handle, a locking screw is arranged in the counter bore, and the locking screw is screwed into the threaded hole of the pressure relief rod and connected with the pressure relief rod; the lower end of the locking handle is a cylindrical pipe, a locking positioning pin is arranged in the middle of the cylindrical pipe, the locking positioning pin is in a convex cylindrical shape, the cylindrical pipe of the locking handle can rotate around the pressure relief rod and can drive the pressure relief rod to move up and down, a semicircular positioning groove is formed in the upper end of the locking frame, when the pressure relief rod is pulled to the upper position, the pressure relief rod rotates clockwise by 90 degrees, the locking positioning pin is placed in the positioning groove, and the upper position of the pressure relief rod is locked; the locking brake rod is in a long rod shape and is hinged to the oil cylinder through a locking pin shaft, the locking brake rod can rotate around the locking pin shaft, a ratchet is arranged on the oil cylinder rod at the right end of the locking brake rod, and when the locking brake rod rotates clockwise to the ratchet on the locking brake rod and is overlapped with the ratchet on the oil cylinder rod, the oil cylinder rod is locked and cannot stretch out and draw back; thereby reach the lifting up and the purpose that falls of locking axle that falls, the cylinder outside cover of locking handle has the locking spring, and the locking spring is compression spring, and its lower extreme contacts with the cuboid of pressure relief pole 38 above, and the upper end top is on the diaphragm of locking frame, and pressure relief pole 38 can be pressed to the next position under the effect of locking spring.

The utility model has the advantages that: the mechanism is applied to the object carrying mobile equipment such as hoisting equipment, automobiles, rescue equipment, rehabilitation equipment, disabled and old-people assisting equipment and the like. For automobiles, a walking control mechanism is adopted to not only enable the vehicle or an object to move in a horizontal direction, but also enable the vehicle or the object to rotate; the lifting control mechanism is adopted to control the lifting shaft to lift and fall, the lifting and falling of the vehicle are solved, and the locking mechanism is adopted to control the walking control mechanism and the lifting control mechanism to respectively and independently work, so that the safety of the mechanism in application is realized.

Drawings

The present invention will be further described with reference to the following examples.

Fig. 1 is a perspective view showing an overall structure;

FIG. 2 is a front view, in full and partial cutaway;

FIG. 3 is a top view;

FIG. 4 is an enlarged view of a portion of FIG. 2;

FIGS. 5 and 8 are rotational sectional views along AA in FIG. 4, which is a partial sectional view;

FIG. 6 is an oblique sectional view taken along BB in FIG. 4, and is a partial half sectional view;

fig. 7, 12, and 13 are plan views taken along CC in fig. 5, and are partial half sectional views;

FIGS. 9, 10 and 11 are partial sectional views taken along DD in FIG. 5;

fig. 14 and 15 are stepped cross-sectional views taken along EE in fig. 8, and are partial half cross-sectional views;

FIG. 16 shows a perspective view of the overall structure of the lifting bar after it has been lifted;

fig. 17 shows a front view of the raised and lowered bars in full and partial cutaway.

In the figure, 1, a handle, 2, a sleeve rod, 3, a ratchet seat, 4, a chain wheel, 5, a nut, 6, a middle shaft, 7, a cylinder arm, 8, a tension spring, 9, a frame body, 10, a support rotating shaft, 11, a cylinder top shaft, 12, a support, 13, a lifting shaft, 14, a cylinder rod, 16, a locking brake rod, 17, a locking spring, 18, a locking positioning pin, 19, a locking screw, 20, a locking handle, 21, a pair of wheel lower plates, 22, a pair of wheel deflector rod, 23, a fixing pin, 24, a rotating rod, 25, a tension shaft, 26, a cylinder driving rod, 27, a brake rod head, 28, a cylinder, 29, a locking pin shaft, 30, a sleeve rod seat, 32, a ratchet inner cover seat, 33, a ratchet seat outer cover, 34, a sliding sleeve, 35, a support, 36, a pair of wheel upper plates, 37, a gear, 38, a pressure release rod, 39, a locking frame, 40, a connecting pin, 41, a blocking sleeve, 42, a screw, 45. pin, 46 key, 47 ratchet, 48 positioning groove, 49 pin, 50 coil spring, 51 bar seat support arm.

Detailed Description

Fig. 1 to 9 show the structural components of the mechanism and the connection and positional relationship of the components. Comprises a main control mechanism, a lifting control mechanism, a walking control mechanism and a locking mechanism. The mechanism is basically a symmetrical structure.

Fig. 1 to 5 show the structural components of the overall operating mechanism and the connection and positional relationship of the components. The general control mechanism consists of a frame body 9, a handle 1, a loop bar 2, a loop bar seat 30, a fixed pin 23, a rotating rod 24, a ratchet seat 3, a ratchet seat outer cover 33, a ratchet seat inner cover 32, a screw 42 and a middle shaft 6; the frame body 9 is in a hollow cuboid shape and is a supporting frame of the mechanism; the handle 1 is two cylinders of T-shape, the cylinder of the lower end of the handle 1 is a round tube, and is sleeved on the loop bar 2, the upper part of the loop bar 2 is a round tube, the lower part is a loop bar seat 30, the front end and the rear end of the loop bar seat 30 are fixedly provided with the ratchet seat 3 by screws 42, the two sides of each ratchet seat are fixedly connected with a ratchet seat outer cover 33 and a ratchet seat inner cover 32 by a ratchet shaft 44, the ratchet seat outer cover 33 and the ratchet seat inner cover 32 are provided with round holes to be matched and connected with the middle shaft 6, the middle shaft 6 is arranged on the frame body 9, and the middle shaft 6. The upper part of the rotating rod 24 is a cylindrical pipe, and the lower part is a cylindrical shaft. The upper part of the rotating rod 24 is fixedly connected with the handle 1 through a fixing pin 23, and the handle 1 and the rotating rod 24 can move up and down and rotate along the loop bar 2. The handle 1, the loop bar 2, the loop bar seat 30, the rotating rod 24 and the ratchet wheel seat 3 can swing up and down around the axis of the central shaft.

Figures 1 to 5 show the structural components of the landing gear and the connections and positional relationships of the parts. The lifting control mechanism consists of a loop bar 2, a loop bar seat 30, a loop bar seat support arm 51, a pulling and pressing shaft 25, an oil cylinder driving rod 26, an oil cylinder support arm 7, an oil cylinder 28, an oil cylinder rod 14, an oil cylinder top shaft 11, a support 12, a support rotating shaft 10, a tension spring 8 and a lifting shaft 13. The oil cylinder 28 is provided with an oil cylinder support arm 7, an oil cylinder driving rod 26, a pressure relief rod and an oil cylinder rod 14; the oil cylinder support arm 7 is arranged on the middle shaft, and the oil cylinder 28 can swing around the middle shaft 6; the sleeve rod seat 30 is provided with a sleeve rod seat support arm 51, the sleeve rod seat support arm 51 is fixedly provided with a tension and compression shaft 25, the tension and compression shaft 25 is arranged in a frame of the oil cylinder drive rod 26, and the oil cylinder drive rod 26 can move up and down in the oil cylinder 28 and can drive the extension of the oil cylinder rod 14; the right end of the oil cylinder rod 14 is connected with an oil cylinder top shaft 11, two ends of the oil cylinder top shaft 11 are respectively connected with a support 12, the supports 12 are triangular plate-shaped and are connected to a support body through support rotating shafts 10, and the supports 12 can rotate around the support rotating shafts 10. The lower end of the bracket 12 is connected with a lifting shaft 13. The oil cylinder jacking shaft 11 is connected with two tension springs 8, and the upper ends of the tension springs 8 are connected to the frame body. When the lifting shaft 13 is required to fall down, the sleeve rod 2 is driven by hands to swing up and down to drive the pulling and pressing shaft 25 and the oil cylinder driving rod 26 to move up and down, the oil cylinder rod 14 is pushed out to extend, the support 12 is driven to rotate clockwise around the support rotating shaft 10, the lifting shaft 13 can rotate to a low point to drive the lifting shaft 13 to fall down, and the tension spring 8 is in a stretching state. When the lifting shaft 13 needs to be lifted, the oil cylinder 28 is in a pressure relief state, the oil cylinder rod 14 loses the oil pressure thrust, and the lifting shaft 13 is pulled up under the tension of the tension spring 8.

Fig. 1 to 5, 7 and 9 show structural components of the walking control mechanism and connection and position relations of parts. The walking control mechanism controls the rotation and the steering of the middle shaft 6; the device comprises a rotating rod 24, a sliding sleeve 34, a support column 35, a pin shaft 49, a pair wheel upper plate 36, a gear 37, a connecting pin 40, a pair wheel shift rod 22, a pair wheel lower plate 21, a sleeve rod 2, a sleeve rod seat 30, a pawl 43, a ratchet shaft 44, a ratchet 47, a pin 45, a ratchet seat 3, a blocking sleeve 41, a nut 5, a chain wheel 4 and a key 46. A gear 37 and a sliding sleeve 34 are arranged on a cylindrical shaft at the lower end of the rotating rod 24, the number of the gears 37 is two, one gear 37 is fixed on the rotating rod 24 through a connecting pin 40, the sliding sleeve 34 is arranged on the gear 37, round pipes are symmetrically arranged at two ends of the sliding sleeve, round holes are symmetrically arranged in the sleeve rod seat 30, the round pipes of the sliding sleeve are inserted into the round holes of the sleeve rod seat 30, and the sliding sleeve 34 can move up and down in the round holes of the sleeve rod along with the rotating rod 24; the inner hole of a round tube of the sliding sleeve is connected with a small shaft section of a pin shaft 49, the pin shaft 49 is a two-section stepped cylindrical shaft, the pin shaft 49 is divided into a large shaft section and a small shaft section, the pin shafts 49 are two in number and are symmetrically placed at the two sides of the rotating rod 24 in the front-back direction, the large shaft sections of the two pin shafts 49 are sleeved with an upper wheel plate 36, a shift lever 22 and a lower wheel plate 21, the upper wheel plate 36 and the lower wheel plate 21 are respectively one, the upper wheel plate 36 and the lower wheel plate 21 are identical in appearance and are symmetrical rhombus, two symmetrical large round holes and two small round holes are formed in the upper wheel section and the lower wheel plate, the two large round holes are sleeved on the large shaft section of the pin shaft 49, two support columns 35 are arranged in the two small round holes, the upper wheel plate 36 and the; the lower part of the rod sleeving seat 30 is provided with a square frame, a cylindrical boss is arranged in the middle of a bottom frame of the square frame, the cylindrical boss is in clearance fit with a blind hole of the wheel lower plate 21, and the whole formed by connecting the wheel upper plate 36 and the wheel lower plate 21 can rotate around the rotating rod 24; the two pair of wheel shift levers 22 are identical in shape and are in the shape of sector gears, the other end of each gear tooth is a cylindrical rod, the sector gears are provided with cylindrical holes, the cylindrical holes are sleeved on the large shaft section of the pin shaft 49, the pair of wheel shift levers 22 are arranged between the pair of wheel lower plates 21 and the gears 37 on the rotating rod 24, the two sector gears are meshed with each other, and the cylindrical rods of the two pair of wheel shift levers 22 are inserted into the ratchet seats 3 on the two sides through square holes of the inner covers 32 of the ratchet seats respectively and are positioned above the pawls 43; a gear 37 is sleeved on a pin shaft 49 and fixedly connected with the pair wheel deflector rod 22 below the pin shaft 37 into a whole, and the gear 37 is meshed with the gear 37 on the rotating rod 24; the middle of the upper plate 36 of the wheel is provided with inner gear teeth which are engaged with the gear on the rotating rod 24; a ratchet wheel 47 is sleeved on the middle shaft 6 in the ratchet wheel seat, the ratchet wheel 47 is fixed on the middle shaft 6 through a pin 45, a ratchet shaft 44 is arranged above the ratchet wheel 47, a pawl 43 is sleeved on the ratchet shaft 44, the pawl 43 can rotate around the ratchet shaft 44, ratchets are arranged on two sides of the lower end of the pawl 43, and the ratchets can clamp teeth of the ratchet wheel 47 to limit the rotating direction of the ratchet wheel 47; coil springs 50 are arranged on two sides of the pawl 43, the lower ends of the coil springs 50 are fixed on the ratchet seat 3, the coil springs 50 are pressed against the side surfaces of the pawl 43, only the acting force of the two coil springs 50 is considered, the pawl 43 keeps a middle balance position, namely, the pawl 43 is separated from the ratchet wheel 47. The middle shaft 6 is a coaxial cylindrical shaft with two sections sleeved together and can rotate relatively, and the middle shaft 6 is positioned on the frame body through a nut 5 and a spring retainer ring and can only rotate on the frame body. The two sides of the middle shaft 6 are provided with a baffle sleeve 41 and a chain wheel 4, and the chain wheel 4 is connected with the middle shaft 6 by a key 46 to form a key connection.

Fig. 1 to 4 and 6 show structural components of the locking mechanism and connection and positional relationship of parts. The locking mechanism is a switching mechanism of a walking operating mechanism and a lifting operating mechanism and is also a safety protection mechanism; the locking device comprises a locking handle 20, a locking screw 19, a locking frame 39, a locking brake lever 16, a locking pin 29, a pressure relief lever 38, a locking spring 17, a brake lever head 27, a locking positioning pin 18 and a positioning groove 48; the upper portion of the oil cylinder 28 is provided with a locking frame 39, the locking frame 39 and the oil cylinder 28 are integrated, the locking frame 39 is in a rectangular frame shape, a pressure relief rod 38 is arranged in the rectangular frame shape, the lower portion of the pressure relief rod 38 is a cylindrical rod extending into the oil cylinder and is a switch for the operation of the oil cylinder, and the pressure relief rod 38 can move up and down to form two positions: when the pressure relief rod 38 is pressed downwards to the bottom in the lower position, the oil cylinder works normally, and the oil cylinder driving rod 26 moves up and down to drive the oil cylinder rod 14 to extend out; when the pressure relief rod 38 is lifted upwards in the up position, the oil cylinder 28 is in a pressure relief state, and the oil cylinder driving rod 26 is not in effect. A rectangular parallelepiped is arranged at the middle lower part of the pressure relief rod 38, an oblong groove is arranged in the rectangular parallelepiped, a brake rod head 27 at the end part of the locking brake rod 16 is arranged in the oblong groove, and the brake rod head 27 can slide in the oblong groove; the upper part of the pressure relief rod 38 is a cylindrical rod, a threaded hole is formed in the upper end of the cylindrical rod, a locking handle 20 is sleeved outside the cylindrical rod, a counter bore is formed in the locking handle 20, a locking screw 19 is installed in the counter bore, and the locking screw 19 is screwed into the threaded hole of the pressure relief rod 38 and connected with the pressure relief rod 38; the lower end of the locking handle 20 is a cylindrical pipe, the middle part of the cylindrical pipe is provided with a locking positioning pin 18, the locking positioning pin 18 is in a convex cylindrical shape, the cylindrical pipe of the locking handle 20 can rotate around the pressure relief rod 38 and can drive the pressure relief rod to move up and down, the upper end of the locking frame 39 is provided with a semicircular positioning groove 48, when the pressure relief rod 38 is pulled to the upper position, the locking positioning pin 18 rotates 90 degrees clockwise, the locking positioning pin 18 is placed in the positioning groove 48, and the upper position of the pressure relief rod is locked; the locking brake lever 16 is in a long rod shape and is hinged on the oil cylinder 28 through a locking pin shaft 29, the locking brake lever 16 can rotate around the locking pin shaft 29, a ratchet is arranged on the oil cylinder rod 14 at the right end of the locking brake lever 16, and when the locking brake lever 16 rotates clockwise until the ratchet on the locking brake lever 16 is coincident with the ratchet on the oil cylinder rod 14, the oil cylinder rod 14 is locked and cannot stretch out and draw back; therefore, the purpose of lifting and falling of the locking lifting and falling shaft 13 is achieved, the locking spring 17 is sleeved outside the cylindrical pipe of the locking handle 20, the locking spring 17 is a compression spring, the lower end of the compression spring is in contact with the upper surface of the cuboid of the pressure relief rod, the upper end of the compression spring is propped against the transverse plate of the locking frame 39, and the pressure relief rod 38 can be pressed to the lower position under the action of the locking spring 17.

In fig. 8, 10 to 17, an operation example of the present mechanism is shown. The operation of the mechanism is summarized into locking and loosening operation, lifting and falling operation, walking and steering operation.

Locking and unbinding operation: the locking operation is that the locking handle 20 is pulled up and rotated by 90 degrees, so that the locking positioning pin 18 is clamped in the positioning groove 48, the pressure relief rod 38 is pulled up, the oil cylinder 28 enters a pressure relief state, the ratchet at the right end of the locking brake rod 16 moves downwards to lock the ratchet on the oil cylinder rod 14, and the oil cylinder rod 14 is in a locking state and cannot stretch out and draw back. The unbinding operation is the reverse of the locking operation: the locking handle 20 is reversely rotated by 90 degrees and then released, the locking handle 20 and the pressure relief rod 38 are reset downwards under the action of the locking spring 17, and the ratchet at the right end of the locking brake rod 16 moves upwards and is separated from the ratchet on the oil cylinder rod 14.

Lifting and dropping operation: the lifting operation is to control the lifting and falling shaft 13 to fall down to lift the whole mechanism, and the falling operation is to control the lifting and falling shaft 13 to rise to fall the whole mechanism. When the lifting mechanism is in a loose binding state, the handle 1 is pulled up and down to drive the pressure rod shaft to move up and down in a reciprocating mode by hands, the oil cylinder rod 14 is pushed to extend out, the support 12 is driven to rotate clockwise around the support rotating shaft 10, and the lifting shaft 13 is driven to fall down. The lifting shaft 13 is lifted by slowly lifting the locking handle 20 to enable the oil cylinder 28 to be in a pressure relief state, and when the locking brake rod ratchet does not lock the oil cylinder rod ratchet, the lifting shaft 13 is lifted under the tension of the tension spring 8 on the frame body 11.

Walking and steering operations: the walking and steering are realized by controlling the rotating directions of the two chain wheels 4 on the central shaft 6. The two chain wheels 4 move in a translation mode when the rotation directions are the same, and the two chain wheels 4 move in a steering mode when the rotation directions are opposite. The position of the handle 1 has two states: the device comprises a lower position and an upper position, wherein the lower position is a walking position of the mechanism, and the upper position is a steering position of the mechanism.

As shown in fig. 5, when the handle 1 is pressed downwards to be in a walking position, small shaft sections of a pin shaft 49 are inserted into the cylindrical pipes at the two ends of the sliding sleeve 34, the gear 37 of the rotating rod 24 is meshed with the gear 37 on the pin shaft 49, the handle 1 is rotated to drive the gear 37 on the rotating rod 24 to rotate, the gear 37 on the pin shaft and the pair of wheel shift rods 22 to rotate, the pair of wheel shift rods 22 drives the other pair of wheel shift rods 22 to rotate, the two pair of wheel shift rods 22 rotate oppositely, the cylindrical rods on the two pair of wheel shift rods 22 simultaneously move forwards or backwards, the pawls 43 at the two sides are simultaneously rotated clockwise or anticlockwise, and the ratchet wheel 47 is clamped by the pawls 43 and can only rotate in the same direction; when the handle 1 is moved up and down, the two ratchet wheels 47 drive the central shaft 6 and the chain wheel 4 to rotate in the same direction respectively through the transmission, so that the moving and walking control is realized.

As shown in fig. 8, when the two cylindrical rods of the wheel shift lever 22 are in the coaxial position (as shown in fig. 12), the lifting handle 1 is in the steering position, so that the gear 37 on the rotating rod 24 is engaged with the internal teeth of the wheel upper plate 36, the cylindrical pipes at the two ends of the sliding sleeve 34 are disengaged from the small shaft segment of the pin shaft 49, the rotating handle 1 drives the wheel upper plate 36 to rotate, thereby driving the wheel upper plate 36, the two wheel shift levers 22 and the wheel lower plate 21 to rotate integrally, and the pawls 43 at the two sides of the two wheel shift levers 22 rotate in opposite directions (as shown in fig. 14 and 15). When the handle 1 is moved up and down, the two chain wheels 4 on the middle shaft 6 are opposite in rotation direction through the transmission, so that the rotation direction control is realized.

Fig. 7 is an embodiment in which the cylindrical rods of the two pairs of wheel levers are simultaneously rotated to the upper position in the figure.

Fig. 8 is the embodiment after the turn bar is pulled up.

Fig. 9 shows an embodiment of the wheel shift lever in a position to the left of the pawl in the drawing.

Fig. 10 shows an embodiment of the wheel shift lever in a neutral position of the detent in the drawing.

Fig. 11 shows an embodiment of the wheel shift lever in a position to the right of the pawl in the drawing.

FIG. 12 is an embodiment in which the cylindrical shafts of the two pairs of wheel levers are simultaneously rotated to the middle position in the figures.

FIG. 13 is an embodiment in which the cylindrical rods of the two pairs of wheel levers are simultaneously rotated to the lower position in the figures.

FIG. 14 is an embodiment of the cylindrical rods of the two pairs of wheel levers rotated simultaneously counterclockwise.

FIG. 15 is an embodiment of the simultaneous clockwise rotation of the cylindrical rods of the two pairs of wheel shifters.

Fig. 16 to 17 show an example in which the mechanism rising and falling shaft 13 is lifted.

Claims (1)

1. A manual rotary moving paired wheel control mechanism of a carrying moving device comprises a general control mechanism, a lifting control mechanism, a walking control mechanism and a locking mechanism, wherein the general control mechanism is basically of a symmetrical structure; the method is characterized in that: the main control mechanism consists of a frame body, a handle, a loop bar seat, a fixed pin, a rotating rod, a ratchet seat outer cover, a ratchet seat inner cover, a screw and a middle shaft; the frame body is in a hollow cuboid shape and is a supporting frame of the mechanism; the handle is composed of two T-shaped cylinders, the cylinder at the lower end of the handle is a circular tube which is sleeved on the loop bar, the upper part of the loop bar is a circular tube, the lower part of the loop bar is a loop bar seat, the front end and the rear end of the loop bar seat are fixedly provided with a ratchet seat by screws, the two sides of each ratchet seat are fixedly connected with a ratchet seat outer cover and a ratchet seat inner cover by a ratchet shaft, the ratchet seat outer cover and the ratchet seat inner cover are provided with circular holes which are matched and connected with a middle shaft, the middle shaft is arranged on the frame; the upper part of the rotating rod is a cylindrical pipe, and the lower part of the rotating rod is a cylindrical shaft; the upper part of the rotating rod is fixedly connected with the handle by a fixing pin, and the handle and the rotating rod can move up and down and rotate along the loop bar; the handle, the loop bar seat, the rotating bar and the ratchet wheel seat can swing up and down around the axis of the middle shaft; the lifting control mechanism consists of a loop bar, a loop bar seat support arm, a pulling and pressing shaft, an oil cylinder drive rod, an oil cylinder support arm, an oil cylinder rod, an oil cylinder top shaft, a bracket rotating shaft, a tension spring and a lifting shaft; the oil cylinder is provided with an oil cylinder support arm, an oil cylinder driving rod, a pressure relief rod and an oil cylinder rod; the oil cylinder support arm is arranged on the middle shaft, and the oil cylinder can swing around the middle shaft; the sleeve rod seat is provided with a sleeve rod seat support arm, a pulling and pressing shaft is fixedly arranged on the sleeve rod seat support arm, the pulling and pressing shaft is arranged in a square frame of the oil cylinder drive rod, and the oil cylinder drive rod can move up and down in the oil cylinder and can drive the oil cylinder rod to extend; the right end of the oil cylinder rod is connected with an oil cylinder top shaft, two ends of the oil cylinder top shaft are respectively connected with a bracket, the bracket is triangular plate-shaped and is connected to a bracket body through a bracket rotating shaft, and the bracket can rotate around the bracket rotating shaft; the lower end of the bracket is connected with a lifting shaft; the oil cylinder jacking shaft is connected with two tension springs, and the upper ends of the two tension springs are connected to the frame body; the walking control mechanism consists of a rotating rod, a sliding sleeve, a pillar, a pin shaft, a pair wheel upper plate, a gear, a connecting pin, a pair wheel deflector rod, a pair wheel lower plate, a sleeve rod seat, a pawl, a ratchet shaft, a ratchet wheel, a pin, a ratchet wheel seat, a blocking sleeve, a nut, a chain wheel and a key; the cylindrical shaft at the lower end of the rotating rod is provided with two gears and two sliding sleeves, one gear is fixed on the rotating rod through a connecting pin, the sliding sleeves are arranged on the gears, circular pipes are symmetrically arranged at two ends of each sliding sleeve, circular holes are symmetrically arranged in the sleeve rod seats, the sliding sleeve circular pipes are inserted into the circular holes of the sleeve rod seats, and the sliding sleeves can move up and down in the circular holes of the sleeve rods along with the rotating rod; the inner hole of a round pipe of the sliding sleeve is connected with a small shaft section of a pin shaft, the pin shaft is a two-section stepped cylindrical shaft, the pin shaft is divided into a large shaft section and a small shaft section, the number of the pin shafts is two, the pin shafts are symmetrically placed on two sides of the rotating shaft in the front-back direction, a pair wheel upper plate, a pair wheel deflector rod and a pair wheel lower plate are sleeved on the large shaft sections of the two pin shafts, the pair wheel upper plate and the pair wheel lower plate are respectively one, the pair wheel upper plate and the pair wheel lower plate are identical in appearance and are symmetrical rhombuses, two large round holes and two small round holes are symmetrically arranged on the pair wheel upper plate and the pair wheel lower plate, the two large round holes are sleeved on the large shaft section of the pin shaft, two; the lower part of the loop bar seat is provided with a square frame, a cylindrical boss is arranged in the middle of a bottom frame of the square frame, the cylindrical boss is in clearance fit with a blind hole of the lower wheel plate, and the whole formed by connecting the upper wheel plate and the lower wheel plate can rotate around the rotating shaft; the two pair of wheel deflector rods are the same in shape and are in the shape of a sector gear, the other end of each gear tooth is a cylindrical rod, the sector gear is provided with a cylindrical hole, the cylindrical hole is sleeved on the large shaft section of the pin shaft, the pair of wheel deflector rods are arranged between the lower plate of the pair of wheels and the gear on the rotating shaft, the two sector gears are meshed with each other, and the cylindrical rods of the two pair of wheel deflector rods are inserted into the ratchet wheel seats on the two sides through square holes of the inner covers of the ratchet wheel seats respectively and; a gear is sleeved on one pin shaft and fixedly connected with a pair wheel deflector rod below the pin shaft into a whole, and the gear is meshed with the gear on the rotating shaft; the middle of the upper plate of the coupling is provided with inner gear teeth which are internally meshed with the gear on the rotating shaft; a ratchet wheel is sleeved on a middle shaft in the ratchet wheel seat, the ratchet wheel is fixed on the middle shaft through a pin, a ratchet shaft is arranged above the ratchet wheel, a pawl is sleeved on the ratchet shaft and can rotate around the ratchet shaft, ratchets are arranged on two sides of the lower end of the pawl, and the ratchets can clamp teeth of the ratchet wheel to limit the rotation direction of the ratchet wheel; the two sides of the pawl are provided with coil springs, the lower ends of the coil springs are fixed on the ratchet seat, the coil springs are propped against the side surface of the pawl, only the acting forces of the two coil springs are considered, the pawl should keep a middle balance position, and the pawl is separated from the connection with the ratchet; the middle shaft is a coaxial cylindrical shaft with two sections sleeved together and can rotate relatively, and is positioned on the frame body by a nut and a spring retainer ring and can only rotate on the frame body; the two sides of the middle shaft are provided with a blocking sleeve and a chain wheel, and the chain wheel is connected on the middle shaft through a key to form a key connection; the locking mechanism consists of a locking handle, a locking screw, a locking frame, a locking brake lever, a locking pin shaft, a pressure relief lever, a locking spring, a brake lever head, a locking positioning pin and a positioning groove; hydro-cylinder upper portion is equipped with the locking frame, and the locking frame is as an organic whole with the hydro-cylinder, and the locking frame is the rectangle frame shape, is equipped with the pressure relief pole in the rectangle frame shape, and the pressure relief pole lower part is that the cylindric lock stretches into the hydro-cylinder in, is the switch of hydro-cylinder work, and the pressure relief pole can reciprocate and have two positions: the oil cylinder normally works when the pressure relief rod is pressed downwards to the bottom in the lower position, and the oil cylinder driving rod moves up and down to drive the oil cylinder rod to extend out; when the hydraulic cylinder is in an upper position, the pressure relief rod is lifted upwards, the hydraulic cylinder is in a pressure relief state, and the hydraulic cylinder driving rod loses the action; a cuboid is arranged at the middle lower part of the pressure relief rod, an oblong groove is arranged in the cuboid, a brake rod head for locking the end part of the brake rod is placed in the oblong groove, and the brake rod head can slide in the oblong groove; the upper part of the pressure relief rod is a cylindrical rod, the upper end of the cylindrical rod is provided with a threaded hole, a locking handle is sleeved outside the cylindrical rod, a counter bore is formed in the locking handle, a locking screw is arranged in the counter bore, and the locking screw is screwed into the threaded hole of the pressure relief rod and connected with the pressure relief rod; the lower end of the locking handle is a cylindrical pipe, a locking positioning pin is arranged in the middle of the cylindrical pipe, the locking positioning pin is in a convex cylindrical shape, the cylindrical pipe of the locking handle can rotate around the pressure relief rod and can drive the pressure relief rod to move up and down, a semicircular positioning groove is formed in the upper end of the locking frame, when the pressure relief rod is pulled to the upper position, the pressure relief rod rotates clockwise by 90 degrees, the locking positioning pin is placed in the positioning groove, and the upper position of the pressure relief rod is locked; the locking brake rod is in a long rod shape and is hinged to the oil cylinder through a locking pin shaft, the locking brake rod can rotate around the locking pin shaft, a ratchet is arranged on the oil cylinder rod at the right end of the locking brake rod, and when the locking brake rod rotates clockwise to the ratchet on the locking brake rod and is overlapped with the ratchet on the oil cylinder rod, the oil cylinder rod is locked and cannot stretch out and draw back; thereby reach the locking and rise lifting up and the purpose that falls of axle that falls, the cylinder outside cover of locking handle has the locking spring, and the locking spring is compression spring, and its lower extreme contacts above the cuboid with the pressure relief pole, and the upper end top is on the diaphragm of locking frame, and the pressure relief pole can be pressed the next position under the effect of locking spring.

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