CN111410151B - Special carrying device for large vehicle maintenance trench and use method thereof - Google Patents
Special carrying device for large vehicle maintenance trench and use method thereof Download PDFInfo
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- CN111410151B CN111410151B CN202010400849.3A CN202010400849A CN111410151B CN 111410151 B CN111410151 B CN 111410151B CN 202010400849 A CN202010400849 A CN 202010400849A CN 111410151 B CN111410151 B CN 111410151B
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- connecting rod
- trench
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- sliding
- baffle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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Abstract
The invention relates to the field of automobile repair equipment, in particular to a special trench carrying device for large vehicle maintenance and a using method thereof. According to the special carrying device for the trench for large vehicle maintenance and the using method thereof, the lifting box is driven by the lifting mechanism to carry people or goods between the ground and the inside of the trench, and the baffle is automatically opened or closed by the opening and closing mechanism, so that the maintenance personnel can conveniently operate up and down, automobile parts can be conveniently carried, and the carrying device is time-saving, labor-saving, safe and reliable.
Description
Technical Field
The invention relates to the field of automobile repair equipment, in particular to a special trench carrying device for large vehicle maintenance and a using method thereof.
Background
To the maintenance of oversize vehicle, because the vehicle is heavier, consequently current jacking equipment can't satisfy the lift requirement to oversize vehicle, even can satisfy the requirement, also very dangerous, consequently can use traditional trench structure often, because the trench is darker consequently not convenient for maintenance personal's operation from top to bottom, waste time and energy, the in-process safety about maintenance personal is not ensured, also be convenient for the delivery of automobile parts, intensity of labour is big, in addition, all be the step of piling up with the stone to traditional trench design, it is very inconvenient to use. Most importantly, when carrying heavy automobile parts, the automobile parts are easy to fall and dangerous.
Therefore, improvements are made to existing trench designs.
Disclosure of Invention
The invention aims to provide a special carrying device for a trench for large vehicle maintenance and a using method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the application provides a special carrying device of trench of oversize vehicle maintenance, including filling up the platform, fill up the platform and fix the left end bottom at trench inside, and trench left end upper portion is fixed with the apron, fill up the overhead lifting box that is provided with carrying people or thing on elevating system and the elevating system, the upper end opening of lifting box, and the right side is movable baffle, the last operating mechanism who is used for opening or closing the baffle that is provided with of elevating system, and operating mechanism can support the knot with filling up the platform and contact, be provided with on the lateral wall of trench left side and be used for putting the protection machanism that falls to the lifting box, and elevating system is connected with the protection machanism transmission.
Preferably, the cushion table is a three-step platform, the lifting mechanism comprises a first connecting rod and a third connecting rod, one ends of the first connecting rod and the third connecting rod are rotatably connected with the cushion table fixed shaft, the other ends of the first connecting rod and the third connecting rod are rotatably connected with the chassis fixed shaft, the chassis is fixedly connected to the bottom of the lifting box, and the opening and closing mechanism is arranged on the chassis.
Preferably, the lifting mechanism further comprises a hydraulic rod, one end of the first connecting rod is fixedly connected with the second connecting rod, the other end of the first connecting rod is rotatably connected with the fixed shaft of the end face of the left end of the trench, and the other end of the first connecting rod is hinged with one end, far away from the first connecting rod, of the second connecting rod.
Preferably, the first connecting rod and the third connecting rod are the same in length and are arranged in parallel, one end of the first connecting rod, which is rotatably connected with the cushion table fixed shaft, is positioned at the upper left side of one end of the third connecting rod, which is rotatably connected with the cushion table fixed shaft, and the bottom of the underframe is in abutting contact with the middle step surface of the cushion table when the first connecting rod and the third connecting rod are in a horizontal state.
Preferably, the starting and stopping mechanism includes that the dead axle rotates axostylus axostyle and the worm of connecting on the chassis, is fixed with the turbine on the axostylus axostyle, is fixed with the nose bar on the one end lateral wall of baffle, and nose bar and baffle mutually perpendicular, and the one end that the baffle was kept away from to the nose bar is fixed with the turbine, and the worm dead axle rotates to be connected on the chassis to the worm level is horizontal.
Preferably, the opening and closing mechanism further comprises a guide frame fixed on the bottom frame, the guide frame is connected to the rack in a sliding mode, the rack is arranged in the vertical direction, a top block is fixed to the lower end of the rack and can be abutted and buckled with the lower stepped surface of the cushion table, the top block is connected with the guide frame through a first spring, a gear is fixed to the left end of the worm, and the gear is meshed with the rack and connected with the gear.
Preferably, the protection mechanism comprises a circular arc-shaped guide groove formed in the side wall of the left side of the trench, the circle center of the guide groove is located at the position where the third connecting rod is rotatably connected with the fixed shaft of the cushion table, the radius of the guide groove is consistent with the length of the third connecting rod, and one end of a hinge shaft at the position where the third connecting rod is rotatably connected with the fixed shaft of the underframe is slidably connected into the guide groove.
Preferably, the left end of guide way is provided with circular shape recess, and the recess is seted up on the lateral wall of trench, and the dead axle rotates on the center axis in the recess and is connected with the pivot, is fixed with the take-up reel in the pivot, and is connected through the wind spring between pivot and the recess, and the winding has the stay cord on the take-up reel, and the one end of stay cord and the fixed connection of connecting rod three and chassis dead axle rotation junction.
Preferably, a plurality of first sliding barrels are fixed on the disc surface of the winding disc, the first sliding barrels are arranged at equal intervals along the circumferential direction of the winding disc, friction blocks are connected inside the first sliding barrels in a sliding mode, the friction blocks are connected with one ends, pointing to the rotating shaft, of the first sliding barrels through springs II, friction rings are fixed on the inner walls of the grooves and share the same central axis with the rotating shaft, the friction blocks can be in abutting and buckling contact with the inner walls of the friction rings, the outer side walls of the friction rings are fixedly connected with second sliding barrels, sealing columns are connected inside the second sliding barrels in a sliding mode, one ends, pointing to the insides of the friction rings, of the sealing columns penetrate through the side walls of the sealing rings and can slide on the sealing rings, one ends, pointing to the insides of the friction rings, of the sealing columns can be in abutting and buckling contact with the friction blocks, the sealing columns are connected with one ends, far away from the sealing rings, of the sliding barrels through springs III, drainage channels are formed inside the sealing columns, water inlets are formed in the side walls of the second sliding columns, the sealing column can seal the water inlet, and one end of the drainage channel can be communicated with the water inlet and the other end is communicated with the inside of the sealing ring.
Preferably, the water inlet is connected with the water tank through a water conveying pipe, and the water tank can be fixed on the inner wall of the trench.
In addition, the application also provides a use method of the special carrying device for the trench for large vehicle maintenance, which comprises the following steps:
the method comprises the following steps: the lifting box is driven by the lifting mechanism to carry people or goods from the ground to the interior of the trench, and the baffle is automatically opened by the opening and closing mechanism;
step two: the lifting box is driven by the lifting mechanism to carry people or goods from the inside of the trench to the ground, and the baffle is automatically closed by the opening and closing mechanism;
step three: the safety of the lifting box when the lifting mechanism is in accident is ensured through the protection mechanism.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the lifting box is driven by the lifting mechanism to carry people or goods between the ground and the inside of the trench, and the baffle is automatically opened or closed by the opening and closing mechanism, so that the lifting box is convenient for maintenance personnel to operate up and down, and is also convenient for carrying automobile parts, the operation is simple and convenient, the time and the labor are saved, and the safety of the lifting box when the lifting mechanism is in accident is ensured by the protection mechanism.
Drawings
FIG. 1 is a first schematic view of an assembly structure according to the present invention;
FIG. 2 is a second schematic view of the final assembly structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a first structural diagram of the fall-prevention mechanism of the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4;
FIG. 6 is a second structural diagram of the fall-prevention mechanism of the present invention;
FIG. 7 is an enlarged view of the structure at C in FIG. 6;
fig. 8 is a top view of the structure of the trench of fig. 1.
In the figure: 1-a cushion table; 2-a cover sheet; 3-a hydraulic rod; 4, connecting the first rod; 5-connecting rod two; 6-connecting rod III; 7-a lifting box; 8-a baffle plate; 9-opening and closing mechanism; 10-a guide groove; 11-a chassis; 12-a groove; 13-pulling a rope; 14-a shaft rod; 15-a turbine; 16-a worm; 17-a scaffold; 18-gear wheel; 19-a guide frame; 20-a rack; 21-spring one; 22-a top block; 23-a water tank; 24-a friction ring; 25-a rotating shaft; 26-a take-up reel; 27-a slide cylinder I; 28-a friction block; 29-spring two; 30-sliding cylinder II; 31-a sealing column; 32-a drainage channel; 33-spring three; 34-a water inlet; and 35-a water outlet pipe.
Detailed Description
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. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: a special carrying device for a trench for large vehicle maintenance and a using method thereof comprise a pad table 1, as shown in figures 1, 2 and 8, the pad table 1 is fixed at the bottom of the left end inside the trench, a covering plate 2 is fixed at the upper part of the left end of the trench, a lifting mechanism is arranged on the pad table 1, a lifting box 7 for carrying people or objects is arranged on the lifting mechanism, the upper end of the lifting box 7 is open, a baffle plate 8 which is movable is arranged on the right side, an opening and closing mechanism 9 for opening or closing the baffle plate 8 is arranged on the lifting mechanism, the opening and closing mechanism 9 can be in abutting-buckling contact with the pad table 1, a protection mechanism for placing falling down on the lifting box 7 is arranged on the side wall of the left side of the trench, and the lifting mechanism is in transmission connection with the protection mechanism.
In this embodiment, as shown in fig. 1 and 2, the cushion table 1 is a three-step platform, the lifting mechanism includes a first connecting rod 4 and a third connecting rod 6, one end of the first connecting rod 4 and one end of the third connecting rod 6 are both connected with the cushion table 1 in a fixed-axis rotation manner, the other end of the first connecting rod 4 and the other end of the third connecting rod 6 are both connected with the bottom frame 11 in a fixed-axis rotation manner, the bottom frame 11 is fixedly connected to the bottom of the lifting box 7, and the opening and closing mechanism 9 is arranged on the bottom frame 11.
In this embodiment, as shown in fig. 1 and 2, the lifting mechanism further includes a hydraulic rod 3, the hydraulic rod 3 is disposed under the covering plate 2, the covering plate 2 plays a role in placing other falling objects on the bottom surface to injure the hydraulic rod 3, and plays a role in protecting the hydraulic rod 3, the first connecting rod 4 is fixedly connected with the second connecting rod 5 through the fixed-axis rotation connection with the cushion table 1 at one end, one end of the hydraulic rod 3 is rotatably connected with the fixed-axis rotation of the end surface of the left end of the trench, and the other end is hinged with the second connecting rod 5 at the end far away from the first connecting rod 4.
In this embodiment, as shown in fig. 1 and 2, the first connecting rod 4 and the third connecting rod 6 have the same length and are arranged in parallel to each other, one end of the first connecting rod 4 rotatably connected to the cushion table 1 in a fixed axis manner is located on the upper left side of one end of the third connecting rod 6 rotatably connected to the cushion table 1 in a fixed axis manner, and the bottom of the bottom frame 11 is in abutting contact with the middle step surface of the cushion table 1 when the first connecting rod 4 and the third connecting rod 6 are in a horizontal state.
In this embodiment, the starting and stopping mechanism includes axostylus axostyle 14 and the worm 16 of dead axle rotation connection on chassis 11, is fixed with turbine 15 on the axostylus axostyle 14, is fixed with the nose bar on the one end lateral wall of baffle 8, and nose bar and baffle 8 mutually perpendicular, and the one end that the baffle 8 was kept away from to the nose bar is fixed with turbine 15, and worm 16 dead axle rotation is connected on chassis 11 to worm 16 level is horizontal.
In this embodiment, as shown in fig. 3, the opening and closing mechanism further includes a guide frame 19 fixed on the bottom frame 11, the guide frame 19 is slidably connected to a rack 20, the rack 20 is disposed in the vertical direction, a top block 20 is fixed at the lower end of the rack 20, the top block 20 can be in abutting contact with the lower stepped surface of the cushion table 1, the top block 20 is connected to the guide frame 19 through a first spring 21, a gear 18 is fixed at the left end of the worm 16, and the gear 18 is engaged with the rack 20.
In this embodiment, as shown in fig. 1 and 2, the protection mechanism includes a circular arc-shaped guide groove 10 formed in the left side wall of the trench, the center of the circle of the guide groove 10 is located at the fixed-axis rotational connection position of the third connecting rod 6 and the cushion table 1, the radius of the guide groove 10 is consistent with the length of the third connecting rod 6, and one end of a hinge shaft at the fixed-axis rotational connection position of the third connecting rod 6 and the bottom frame 11 is slidably connected in the guide groove 10.
In this embodiment, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, a circular groove 12 is provided at the left end of the guide groove 10, the groove 12 is provided on the side wall of the trench, a rotating shaft 25 is connected to the central axis in the groove 12 in a fixed-axis rotation manner, a winding reel 26 is fixed on the rotating shaft 25, the rotating shaft 25 is connected to the groove 12 through a coil spring, a pulling rope 13 is wound on the winding reel 26, and one end of the pulling rope 13 is fixedly connected to the fixed-axis rotation connection between the third connecting rod 6 and the bottom frame 11.
In this embodiment, as shown in fig. 4 and 5, a plurality of first sliding drums 27 are fixed on the disc surface of the winding roll 12, the plurality of first sliding drums 27 are arranged at equal intervals along the circumferential direction of the winding roll 12, a friction block 28 is connected inside the first sliding drums 27 in a sliding manner, the friction block 28 is connected with one end of the first sliding drum 27, which is directed to the rotating shaft 25, through a second spring 29, a friction ring 24 is fixed on the inner wall of the groove 12, the friction ring 24 and the rotating shaft 26 share a central axis, the friction block 28 can be in abutting contact with the inner wall of the friction ring 24, a second sliding drum 30 is fixedly connected with the outer side wall of the friction ring 24, a sealing column 31 is connected inside the second sliding drum 30 in a sliding manner, one end of the sealing column 31, which is directed to the inside of the friction ring 24, penetrates through the side wall of the sealing ring 24 and can slide on the sealing ring 24, one end of the sealing column 31, which is directed to the inside of the friction ring 24, can be in abutting contact with the friction block 28, the sealing column 31 is connected with one end of the second sliding drum 30, which is far away from the sealing ring 24, through a third spring 33, the inside drainage channel 32 of having seted up of sealed post 31, water inlet 34 has been seted up on the lateral wall of smooth cylinder two 30, sealed post 31 can be to water inlet 34 shutoff, and drainage channel 32 one end can be linked together the other end with water inlet 34 and the inside intercommunication of sealing ring 24, water inlet 34 passes through raceway 35 and connects water tank 23, water tank 23 can be fixed on the trench inner wall, do not cover the below of board 2, water tank 23 position height is higher than the height of recess 12, be convenient for like this utilize the water liquid potential energy in the water tank 23 to provide water supply pressure, also can set up water tank 23 in the trench outside, also be convenient for like this observe the height of water liquid in the water tank 23, avoid anhydrous in the water tank 23, can not play the effect of the cooling of friction ring 24.
The use method and the advantages of the invention are as follows: when the special carrying device for the trench for large vehicle maintenance is used, the special carrying device comprises the following steps:
the method comprises the following steps: as shown in fig. 1 and 2, when people or goods need to be carried from the ground to the inside of the trench, as shown in fig. 1, the baffle 8 blocks the right side of the lifting box 7 at this time, so that only the upper end of the lifting box 7 is open, the upper end opening of the lifting box 7 is flush with the cover plate 2, the depth of the lifting box 7 enables people to smoothly stride from the inside of the lifting box 7 to the cover plate 2, the lifting box 7 and the baffle 8 facilitate loading of the goods, and parts are prevented from falling and breaking during carrying;
after people or goods are loaded, the hydraulic rod 3 is started to work, the hydraulic rod 3 exerts pulling force on the lower end of the connecting rod II 5 by contracting the piston rod of the hydraulic rod 3, so that the connecting rod II 5 drives the connecting rod I4 to rotate clockwise around the connecting part of the connecting rod I4 and the cushion table 1, the connecting rod I4 and the connecting rod III 6 form a parallel four-bar mechanism, the connecting rod III 6 rotates clockwise around the connecting part of the connecting rod III 6 and the cushion table 1, the connecting rod III 6 drives the chassis 11 and the lifting box 7 to synchronously rotate clockwise around the connecting part of the connecting rod III 6 and the cushion table 1, the shape is kept unchanged while the chassis 11 and the lifting box 7 rotate clockwise around the connecting part of the connecting rod III 6 and the cushion table 1, namely, the upper end opening of the lifting box 7 is kept upward all the time, the stability of the people or the goods in the carrying process is ensured, when the chassis 11 is in buckling contact with the step surface in the middle of the cushion table 1, the work of the hydraulic rod 3 is stopped, and keep still, at this moment, link rod one 4 and link rod three 6 are in the horizontal state, as shown in fig. 2 and fig. 3, when the underframe 11 is in abutting contact with the step surface in the middle of the cushion table 1, the top block 22 is in abutting contact with the step surface in the lower part of the cushion table 1 and receives the upward reaction force applied to it by the cushion table 1, so that the top block 22 drives the rack 20 to move upwards under the guiding action of the guide frame 19, and at the same time, the top block 22 compresses the spring one 21 to obtain a downward restoring force, the upward movement of the rack 20 drives the gear 18 to rotate through the tooth transmission action between the rack 20 and the gear 18, so as to synchronously drive the worm 16 to rotate, and the worm 16 drives the turbine 15 and the shaft lever 14 to rotate clockwise around the central axis of the shaft lever 14, so that the turbine 15 drives the convex lever and the baffle 8 to rotate clockwise around the central axis of the shaft lever 14, so that the baffle 8 is attached to the step surface in the lower part of the cushion table 1, therefore, the right side of the lifting box 7 is automatically opened, people or goods can conveniently move into the trench from the inside of the lifting box 7, and the height difference between the bottom of the lifting box 7 and the baffle plate 8 is convenient for the people or goods to move or carry under the state, so that the people or goods can be carried into the trench from the ground, the operation is simple and convenient, and the time and the labor are saved;
step two: as shown in fig. 2 and fig. 1, when people or goods need to be carried to the ground from the inside of the trench, as shown in fig. 2, people or goods move or are carried to the inside of the lifting box 7, and the hydraulic rod 3 is started to work, the hydraulic rod 3 applies thrust to the lower end of the connecting rod two 5 by extending the piston rod thereof, so that the connecting rod two 5 drives the connecting rod one 4 to rotate anticlockwise around the joint of the connecting rod one 4 and the cushion table 1, so that the connecting rod three 6 rotates anticlockwise around the joint of the connecting rod three 6 and the cushion table 1, and the connecting rod three 6 drives the chassis 11 and the lifting box 7 to synchronously rotate anticlockwise around the joint of the connecting rod three 6 and the cushion table 1, and simultaneously the shapes of the chassis 11 and the lifting box 7 are kept unchanged, namely the upper end opening of the lifting box 7 is always kept upwards, so that the stability of people or goods during carrying is ensured, and after the stepped surface between the chassis 11 and the cushion table 1 is far away from contact, the top block 22 is far away from the stepped surface at the lower part of the cushion table 1 and is not contacted with the stepped surface, and the acting force of the cushion table 1 is not applied at the moment, so that under the action of the downward restoring force of the spring I21, the top block 22 drives the rack 20 to move downwards under the guiding action of the guide frame 19, the downward movement of the rack 20 drives the gear 18 to reversely rotate through the tooth transmission action between the rack 20 and the gear 18, so as to synchronously drive the worm 16 to reversely rotate, and the worm 16 drives the worm wheel 15 and the shaft lever 14 to anticlockwise rotate around the central axis of the shaft lever 14, so that the worm wheel 15 drives the convex rod and the baffle plate 8 to anticlockwise rotate around the central axis of the shaft lever 14, so that the baffle plate 8 automatically blocks the right side of the lifting box 7, thereby preventing people or goods in the lifting box 7 from sliding off, ensuring the safety and reliability of the carrying process of the lifting box 7, and because the worm wheel 15 and the worm 16 have the axial self-locking characteristic, therefore, the baffle 8 can be prevented from being mistakenly touched or being extruded and opened by goods in the lifting box 7, so that the safety is ensured, people or goods can be carried to the bottom surface from the inside of the trench, the operation is simple and convenient, and the time and the labor are saved;
step three: when the chassis 11 drives the lifting box 7 to carry the underground ditch, the chassis 11 applies a pulling force to the pulling rope 13 through one end of a hinge shaft at the fixed-shaft rotating connection part of the connecting rod three 6 and the chassis 11 so as to pull the pulling rope 13 out of the winding roll 26, and drives the winding roll 26 to rotate around the central axis of the rotating shaft 25, the rotation of the winding roll 26 synchronously drives the rotating shaft 25 to rotate and applies torque to the coil spring, so that the coil spring obtains a restoring force, when the chassis 11 drives the lifting box 7 to carry to the ground, the chassis 11 moves from the position in the figure 2 to the position in the figure 1 along the moving direction of the guide groove 10 from bottom to top, at this time, one end of the hinge shaft at the fixed-shaft rotating connection position of the connecting rod three 6 and the chassis 11 has no force effect on the pull rope 13, therefore, the pull rope 13 is automatically wound in the winding roll 26 under the action of the restoring force of the coil spring, the recovery of the pull rope 13 is convenient, and the disorder is avoided;
when the chassis 11 is broken during carrying, so that the chassis 11 moves down rapidly from top to bottom along the guide groove 10, at this time, the chassis 11 rapidly pulls the winding reel 26 to rotate through the pulling rope 13, as shown in fig. 4, 5, 6 and 7, the rotation of the winding reel 26 drives the first slide cylinder 27 to rotate around the rotating shaft 25, and the friction block 28 slides out of the first slide cylinder 27 under the action of centrifugal force, the friction block 28 stretches the second spring 29 during moving out of the first slide cylinder 27, so that the second spring 29 obtains a restoring force, the friction block 28 slides out of the first slide cylinder 27 and is in abutting contact with the inner wall of the friction ring 24, resistance is increased, the winding reel 26 is decelerated, the downward movement speed of the chassis 11 is slowed down through the pulling rope 13, danger is reduced, when the friction block 28 is in abutting contact with the sealing column 31 during rotation, force is applied to the sealing column 31, thereby the sealing column 31 slides towards the inside of the sliding cylinder II 30, and the spring III 33 is compressed, so that the spring III 33 obtains a restoring force, the drainage channel 32 is communicated with the water inlet 34 after the sealing column 31 slides towards the inside of the sliding cylinder II 30, further, water in the water tank 23 enters the drainage channel 32 through the water outlet pipe 35 and the water inlet 34, and then flows towards the inner wall of the sealing ring 24 from the inside of the drainage cylinder 32, the inner wall of the sealing ring 24 is cooled through the water, so that the sealing ring 24 is prevented from being heated too high and losing efficacy, thereby ensuring the safety protection effect on the bottom frame 11, after the friction block 28 is not buckled with the sealing column 31, the sealing column 31 is reset under the restoring force of the spring III 33, the drainage channel 32 is not communicated with the water inlet 34, the sealing column 31 is blocked against the water inlet 34, thereby preventing a large amount of water in the water tank 23 from flowing towards the inside of the sealing ring 24, and preventing the excessive water in the trench from being cleaned, after the friction block 28 is buckled with the sealing column 31 again, water is discharged from the water discharging channel 32 again, intermittent water discharging is achieved, water is saved, after the bottom frame 11 is slowly lowered to the cushion table 11, the rotating speed of the winding roll 26 is reduced and stopped, the friction block 28 is not affected by centrifugal force at the moment, and therefore the friction block slides towards the inside of the sliding cylinder 27 under the restoring force effect of the spring II 29 and automatically resets, manual operation is not needed, safety and reliability are achieved, and time and labor are saved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a special carrier of trench of oversize vehicle maintenance, is including filling up platform (1), fill up platform (1) and fix the left end bottom inside the trench, and trench left end upper portion is fixed with apron (2), its characterized in that: the cushion table (1) is provided with a lifting mechanism, the lifting mechanism is provided with a lifting box (7), the upper end of the lifting box (7) is open, the right side of the lifting box is provided with a movable baffle (8), the lifting mechanism is provided with an opening and closing mechanism (9) for opening or closing the baffle (8), the opening and closing mechanism (9) is in butt contact with the cushion table (1), the side wall at the left end of the trench is provided with a protection mechanism for preventing the lifting box (7) from falling, and the lifting mechanism is in transmission connection with the protection mechanism;
the cushion table (1) is a three-step platform, the lifting mechanism comprises a first connecting rod (4) and a third connecting rod (6), one ends of the first connecting rod (4) and the third connecting rod (6) are in fixed-axis rotation connection with the cushion table (1), the other ends of the first connecting rod (4) and the third connecting rod (6) are in fixed-axis rotation connection with the bottom frame (11), the bottom frame (11) is fixedly connected to the bottom of the lifting box (7), and the opening and closing mechanism (9) is arranged on the bottom frame (11);
the opening and closing mechanism (9) comprises a shaft rod (14) and a worm (16), wherein the shaft rod (14) and the worm (16) are fixedly connected to the bottom frame (11) in a rotating mode, a worm wheel (15) is fixed on the shaft rod (14), a convex rod is fixed on the side wall of one end of the baffle (8) and is perpendicular to the baffle (8), one end, far away from the baffle (8), of the convex rod is fixed with the worm wheel (15), the worm (16) is fixedly connected to the bottom frame (11) in a rotating mode, and the worm (16) is horizontally arranged;
opening and close mechanism (9) are still including fixing leading truck (19) on chassis (11), sliding connection is in rack (20) on leading truck (19), rack (20) vertical direction sets up, the lower extreme of rack (20) is fixed with kicking block (22), and kicking block (22) and the lower part ladder face butt contact of pad platform (1), kicking block (22) are connected with leading truck (19) through spring (21), the left end of worm (16) is fixed with gear (18), gear (18) and rack (20) meshing are connected.
2. The special trench carrying device for large vehicle maintenance according to claim 1, wherein: the lifting mechanism further comprises a hydraulic rod (3), the first connecting rod (4) is fixedly connected with a second connecting rod (5) in a fixed-axis rotating connection mode with the cushion table (1), one end of the hydraulic rod (3) is rotatably connected with the end face of the left end of the trench in a fixed-axis rotating mode, and the other end of the hydraulic rod is hinged to one end, far away from the first connecting rod (4), of the second connecting rod (5).
3. The special trench carrying device for large vehicle maintenance according to claim 2, wherein: one (4) of connecting rod and three (6) length of connecting rod are the same to mutual parallel arrangement, one end that connecting rod (4) and pad platform (1) dead axle rotate to be connected is located connecting rod three (6) and the upper left side that fills up platform (1) dead axle rotate the one end of being connected, the bottom of chassis (11) and the middle ladder face butt contact of pad platform (1) when connecting rod (4) and connecting rod three (6) are in the horizontality.
4. The special trench carrying device for large vehicle maintenance according to claim 1, wherein: protection machanism is including offering convex guide way (10) on trench left side lateral wall, and the centre of a circle of guide way (10) is located connecting rod three (6) and fills up the dead axle rotation junction of platform (1), and the radius of guide way (10) is unanimous with the length of connecting rod three (6), sliding connection that connecting rod three (6) and chassis (11) dead axle rotation junction is in guide way (10).
5. The special trench carrying device for large vehicle maintenance according to claim 4, wherein: a circular groove (12) is formed in the left end of the guide groove (10), the groove (12) is formed in the side wall of the trench, a rotating shaft (25) is connected to the central axis in the groove (12) in a fixed-shaft rotating mode, a winding roll (26) is fixed to the rotating shaft (25), the rotating shaft (25) is connected with the groove (12) through a coil spring, a pull rope (13) is wound on the winding roll (26), and one end of the pull rope (13) is fixedly connected with one end of a hinge shaft at the fixed-shaft rotating connection position of the connecting rod III (6) and the bottom frame (11); a plurality of first sliding drums (27) are fixed on the disc surface of the winding roll (26), the plurality of first sliding drums (27) are arranged at equal intervals along the circumferential direction of the winding roll (26), friction blocks (28) are connected inside the first sliding drums (27) in a sliding mode, and the friction blocks (28) are connected with one ends, pointing to the rotating shaft (25), of the first sliding drums (27) through springs (29);
a friction ring (24) is fixed on the inner wall of the groove (12), the friction ring (24) and the rotating shaft (25) share the central axis, the friction block (28) is in abutting contact with the inner wall of the friction ring (24), the outer side wall of the friction ring (24) is fixedly connected with a second sliding barrel (30), a sealing column (31) is connected inside the second sliding barrel (30) in a sliding manner, one end, pointing to the inside of the friction ring (24), of the sealing column (31) penetrates through the side wall of the friction ring (24) and can slide on the friction ring (24), one end, pointing to the inside of the friction ring (24), of the sealing column (31) can be in abutting contact with the friction block (28), the sealing column (31) is connected with one end, far away from the friction ring (24), of the second sliding barrel (30) through a third spring (33), a drainage channel (32) is formed inside the sealing column (31), and a water inlet (34) is formed in the side wall of the second sliding barrel (30), the sealing column (31) seals the water inlet (34), and one end of the drainage channel (32) is communicated with the water inlet (34) while the other end is communicated with the inside of the friction ring (24).
6. A special trench carrying device for large vehicle maintenance as claimed in claim 5, wherein said water inlet (34) is connected to the water tank (23) through a water pipe (35), and said water tank (23) is fixed on the inner wall of the trench.
7. The use method of the special trench carrying device for large vehicle maintenance according to claim 6, characterized in that: the method comprises the following steps:
the method comprises the following steps: the lifting box (7) is driven by the lifting mechanism to carry people or goods from the ground to the interior of the trench, and the baffle (8) is automatically opened by the opening and closing mechanism (9);
step two: the lifting box (7) is driven by the lifting mechanism to carry people or goods from the inside of the trench to the ground, and the baffle (8) is automatically closed by the opening and closing mechanism (9);
step three: the safety of the lifting box (7) when encountering accidents of the lifting mechanism is ensured through the protection mechanism.
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| CN111410151B true CN111410151B (en) | 2021-12-10 |
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| CN108751010B (en) * | 2018-05-25 | 2020-02-25 | 宋任菊 | Pit type automobile lifter |
| CN109231068A (en) * | 2018-08-07 | 2019-01-18 | 常州信息职业技术学院 | trench lifting device |
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| GB2411639A (en) * | 2004-03-04 | 2005-09-07 | Autoriser Ltd | A stairlift having a pair of pivoting parallel linkages |
| CN102889012A (en) * | 2012-10-25 | 2013-01-23 | 黄伍柔 | Foldable automobile hoisting rack |
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Effective date of registration: 20211124 Address after: 325200 Yunzhou street urban rural distribution center 525 (Qiaomao town), Ruian City, Wenzhou City, Zhejiang Province Applicant after: Zhejiang Zhizhuo industrial robot Co.,Ltd. Address before: 362200 room 113, building 8, No.3 Chengxin Road, Yonghe village, Yonghe Town, Jinjiang City, Quanzhou City, Fujian Province Applicant before: Jinjiang Chuangke Technology Co.,Ltd. |
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Application publication date: 20200714 Assignee: Wenzhou Ruizhi door & Window Co.,Ltd. Assignor: Zhejiang Zhizhuo industrial robot Co.,Ltd. Contract record no.: X2022330000220 Denomination of invention: A trench special carrier for large vehicle maintenance and its application method Granted publication date: 20211210 License type: Exclusive License Record date: 20220615 |
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