CN216970989U

CN216970989U - Rail connecting mechanism for trolley

Info

Publication number: CN216970989U
Application number: CN202123114944.6U
Authority: CN
Inventors: 李刚; 沈雷鸣; 傅如学
Original assignee: Zhejiang Mopper Environmental Technology Co Ltd
Current assignee: Zhejiang Mopper Environmental Technology Co Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-07-15
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a rail connecting mechanism for a trolley, which comprises a walking part and a rail connecting part, wherein the walking part is configured to be supported by a main body of a transposition trolley and moves along a transposition track on the ground; in the front-back direction, the length of the movable seat is smaller than that of the walking part, and the length of the track seat is larger than that of the walking part; the left side and the right side of the rail connecting part are provided with idler wheels which are matched with the walking part in a rolling way, the walking part is provided with an anti-tipping structure, and the anti-tipping structure is configured to prevent the idler wheels from separating from the walking part to enable the rail connecting part to incline; compare prior art, structural stability is higher with the stability in the work, prevents to connect the tip perk of rail portion, has guaranteed the security of work.

Description

Rail connecting mechanism for trolley

Technical Field

The utility model relates to the field of steel wire coil rust removal processing, in particular to a rail connecting mechanism for a trolley.

Background

The surface activity of the steel wire coil after rust removal processing is too strong and is easy to reoxidize, so that the steel wire coil needs to be subjected to anti-oxidation treatment; the steel wire is coiled after the rust removal processing is finished, and the steel wire is generally called as a steel wire coil; in the process of transporting steel wire coils, a moving platform can be switched among a plurality of stations, a discharging trolley for transporting steel wire coils is arranged on the moving platform, the discharging trolley enters the stations and must be engaged with a rail for the discharging trolley to move, and the rail engaging mechanism is required to be arranged on the moving platform.

The general dump car is provided with four wheels and needs two rails for bearing, the two rails are obviously unwise to be independently arranged on a moving platform, and because two sets of driving parts and moving parts are prepared, and how to ensure the synchronization of the two rails is also a problem, the two rails can be jointly arranged on a base; the size of the base affects the production cost and the overall stability, and the base is too large and high in cost and poor in stability when the mobile platform moves; the length of the track on the base also needs to be considered, the track is too short to realize rail connection, and the track is too long to influence the stability, when the dump car moves to the edge of the track on the moving platform, the track on the moving platform can be tilted, so that the dump car can be toppled over the ground; therefore, the rail connecting mechanism needs to complete rail connecting work and ensure that the discharging trolley can safely and smoothly move to a station.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a rail connecting mechanism for a trolley, which can ensure that a rail on a transposition trolley is in contact with rails of other stations and can ensure stable structure and stable work.

The technical scheme of the utility model is realized as follows:

a rail connecting mechanism for a trolley, comprising:

the walking part is configured to be supported by a main body of the transposition trolley and move along the transposition track on the ground; the walking part is provided with a hollow part;

the rail connecting part is movably arranged on the walking part, and the moving direction of the rail connecting part is vertical to the direction of the transposition track; the rail connecting part comprises a moving seat sinking in the hollow part and two rail seats protruding upwards from the walking part, and the rail seats are arranged on the moving seat at intervals;

in the front-back direction, the length of the movable seat is smaller than that of the walking part, and the length of the track seat is larger than that of the walking part;

the left side and the right side of the rail connecting part are provided with idler wheels which are matched with the walking part in a rolling way, the walking part is provided with an anti-tipping structure, and the anti-tipping structure is configured to prevent the idler wheels from separating from the walking part to enable the rail connecting part to incline.

The size of the movable seat is smaller than that of the walking part, so that the cost is reduced, the structural stability is improved, and in terms of function realization, the track seat and stations in front of and behind the walking part can be connected with the track, so that the length of the track seat cannot be too short, and in consideration of the problem of working efficiency, the moving distance of the track seat is required to be as short as possible, so that the length of the track seat is required to be close to or greater than that of the walking part; when the discharge trolley moves to one of the front end and the rear end of the rail seat, the rollers are locked by the anti-tipping structure and cannot be separated from the walking part, so that the other end of the rail connecting part cannot be tilted, and the working stability is improved.

Preferably, the anti-tipping structure is a wheel seat, and the wheel seat is arranged on the upper surface of the walking part; the roller is arranged on the rail seat and rolls on the roller seat; the wheel seat comprises a pressing plate, the pressing plate is arranged above the roller, and the pressing plate is configured to limit the roller in the wheel seat. The clamp plate is used for limiting the roller, prevents that the roller from leaving the wheel seat and lifting, just also prevents to connect the rail portion because of the unexpected emergence that the dump truck went to one side and the another side perk, has improved job stabilization nature, has ensured the security.

Preferably, a guide wheel with a vertical axis is arranged beside the roller, and the guide wheel abuts against the wheel seat. The guide wheel can provide a guide effect for the movement of the rail connecting part, so that the rail is more accurate in butt joint.

Preferably, the wheel seat comprises a long L-shaped plate, the L-shaped plate is provided with a vertical plate and a transverse plate, and the lower end of the vertical plate is fixed with one end of the transverse plate; the L-shaped plate is arranged towards the rail connecting part, the transverse plate is fixedly connected with the walking part, and the rollers are matched with the transverse plate in a rolling way; the pressing plate is arranged at the upper end of the vertical plate and is arranged in the front-rear direction, and the length of the pressing plate is smaller than that of the vertical plate; the guide wheel is in rolling fit with the vertical plate. The wheel seat is simple and stable in structure, can be used as a track of the roller wheel and a guide rail of the guide wheel, and is provided with the pressing plate to prevent the rail connecting part from tilting to cause danger.

Preferably, the guide wheel is provided at a lower end of an eccentric shaft configured to rotate the eccentric shaft to adjust a gap between the guide wheel and the wheel base. The eccentric shaft has two axes, one of which is a rotation axis, and when the eccentric shaft rotates, the other axis rotates around the rotation axis, so that the guide wheel is arranged on the other axis and rotates around the rotation axis, thereby changing the relative position with the wheel seat and adjusting the gap between the guide wheel and the wheel seat.

Preferably, the roller is arranged on the moving seat, the anti-tipping structure is a guide groove, and the guide groove is formed in the surface of the walking part facing the hollow part; the roller rolls in the guide groove and the guide groove restricts the movement of the roller in the vertical direction.

Preferably, the length of the movable seat in the front-back direction is smaller than that of the hollow part in the same direction, and when the rail connecting part moves, the movable seat moves in the hollow part at the same time.

The design starting point, the idea and the beneficial effects of the utility model adopting the technical scheme are as follows:

the utility model has the beneficial effects that: stable structure

1. The structure is stable, and the work is stable; the size of the movable seat and the arrangement of the sinking and hollow parts ensure that the whole structure is more compact and stable; the anti-tipping structure is used for limiting the idler wheel, preventing the idler wheel from leaving the wheel seat and lifting, and also preventing the rail connecting part from tilting due to the fact that the dump truck goes to one side and the other side of the dump truck is tilted, so that the dump truck is more stable in working, and the safety is improved.

2. The wheel seat is simple and stable in structure, can be used as a track of the roller wheel and a guide rail of the guide wheel, and is provided with the pressing plate to prevent the rail connecting part from tilting to cause danger.

Drawings

FIG. 1 is a schematic perspective view of a cart according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of an embodiment of the transposing cart according to the present invention;

FIG. 3 is a first cross-sectional view of an indexing cart according to an embodiment of the present invention;

FIG. 4 is a second cross-sectional view of the indexing cart in an embodiment of the present invention;

FIG. 5 is a side view of an indexing cart according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of an embodiment of a locating pin inserting positioning seat according to the present invention;

FIG. 7 is a sectional view of a dowel insertion nest in an embodiment of the present invention;

FIG. 8 is a cross-sectional view of a locating pin removed from the locating socket in an embodiment of the present invention;

FIG. 9 is a cross-sectional view of a guide fence and locating pin according to an embodiment of the present invention

The various reference numbers are: a discharge trolley 4; a transposition trolley 5; a traveling section 51; a hollow-out portion 51 a; a rail receiving portion 52; a rail base 53; a movable base 54; a roller 55; a wheel seat 56; a pressure plate 56 a; positioning pins 57; a positioning cylinder 58; a positioning cylinder block 59; positioning the cylinder rod 510; a rail connecting oil cylinder 511; a rail connecting cylinder base 512; a steel wire coil 6; a transposition track 12; a moving rail 13; a guide wheel 16; a guide mounting seat 17; an eccentric shaft 18; a positioning seat 19; a V-shaped groove 20; a transposition rack 21; a transposition gear 22; a wheel 23; a transposition motor 24; a guide coaming 9; a fixed plate 9 a; side coamings 9 b; a through hole 90; copper plate 91, L-shaped plate 560; a riser 56 b; a transverse plate 56 c.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more than one unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific embodiment of the utility model is as follows:

as shown in fig. 1-9, the utility model provides a rail connecting mechanism for a trolley, which is applied to a transposition trolley 5, wherein the transposition trolley 5 is applied to steel wire coil transportation equipment and is used for bearing a discharge trolley 4 and driving the discharge trolley 4 to switch among multiple stations; the rail connecting mechanism comprises a walking part 51 and a rail connecting part 52, wherein the walking part 51 is configured to be supported by the main body of the transposition trolley 5 and move along the transposition rail 12 on the ground; the traveling part 51 has a hollow part 51 a; the rail connecting part 52 is movably arranged on the traveling part 51, and the moving direction of the rail connecting part 52 is vertical to the direction of the transposition rail 12; the rail receiving portion 52 includes a moving base 54 sinking in the hollow portion 51a and two rail bases 53 protruding upward from the walking portion 51, and the rail bases 53 are disposed on the moving base 54 at intervals; in the front-rear direction, the length of the moving base 54 is smaller than that of the traveling part 51, and the length of the rail base 53 is larger than that of the traveling part 51; the rail receiving portion 52 is provided with rollers 55 on both left and right sides thereof, the rollers 55 are in rolling engagement with the traveling portion 51, and the traveling portion 51 is provided with an anti-tilt structure configured to prevent the rollers 55 from being detached from the traveling portion 51 to tilt the rail receiving portion 52.

In the present invention, the moving direction of the traveling unit 51 is set to the left and right, and the moving direction of the rail unit 52 is set to the front and back.

Specifically, as shown in fig. 1, two transposition rails 12 are arranged on the ground, and the transposition trolley 5 is movably arranged on the transposition rails 12 and aligned with the corresponding station when moving to the corresponding position; a moving rail 13 is arranged on a rail seat 53 of the rail connecting part 52, the discharging trolley 4 is arranged on the moving rail 13, the moving rail 13 is horizontal and vertical to the transposition rail 12, and a conveying rail for the discharging trolley 4 to move is also arranged on a station; when the transposition trolley 5 moves on the transposition track 12 and is aligned with any station, the discharge trolley 4 is also aligned with the transportation track on the station, and the discharge trolley 4 can move to the station and carry the steel wire coil 6.

In order to enable the transposition trolley 5 to move on the transposition track 12, a gap is inevitably reserved between the moving track 13 and the transportation track, and when the discharge trolley 4 moves from the moving track 13 to the transportation track, the two tracks need to be attached, so the transposition trolley 5 needs to have a track connection function; specifically, the method comprises the following steps:

as shown in fig. 2-5, the traveling part 51 is a part of the transposing trolley 5, two rail seats 53 are spaced and symmetrically arranged near the left and right edges of the upper surface of the moving seat 54, and the direction of the moving rail 13 is the same as the moving direction of the rail connecting part 52, and both are arranged along the front and rear direction; the walking part 51 is a frame with a hollow part 51a, the moving seat 54 is arranged in the hollow part 51a, and the track seat 53 protrudes out of the upper surface of the walking part 51; the left and right sides of the rail seat 53 are provided with rollers 55, the rollers 55 are in rolling fit with the walking part 51, and the rail connecting part 52 is driven by a rail connecting driving device arranged on the walking part 51; the rail engaging portion 52 is configured to selectively move toward a station aligned with the index carriage 5 and to engage the moving rail 13 with the transportation rail of the station.

The roller may also be mounted on the movable base, and the roller is optionally mounted on the rail base in this embodiment in consideration of convenience of assembly.

Further, as shown in fig. 2 and 4, a wheel seat 56 for accommodating a roller 55 is provided on the walking part 51, and the roller 55 is disposed in the wheel seat 56; the wheel seat 56 comprises a pressing plate 56a and a long L-shaped plate 560, the L-shaped plate 560 is provided with a vertical plate 56b and a horizontal plate 56c, the L-shaped plate 560 is arranged towards the rail receiving part 52, the horizontal plate 56c is fixedly connected with the walking part 51 through screws, the roller 55 is in rolling fit with the horizontal plate 56c, the pressing plate 56a is arranged at the upper end of the vertical plate 56b, and in the front-back direction, the length of the pressing plate 56a is smaller than that of the vertical plate 56 b; the pressing plate 56a is located above the roller 55 and the pressing plate 56a is configured to restrain the roller 55 in the wheel seat 56; the pressing plate 56a is arranged to limit the roller 55 from being lifted away from the wheel seat 56, so that the rail connecting part 52 is prevented from being tilted to one side due to the fact that the dump truck 4 moves to the other side, and the safety is improved; specifically, the length of the wheel seat 56 in the front-back direction is longer than that of the pressing plate 56a in the front-back direction because the rail connecting portion 52 does not need to have a long moving distance, so the pressing plate 56a does not need to have the same length as the wheel seat 56, and as shown in fig. 3, the guide wheel 16 with a vertical axis is arranged beside the roller 55, the guide wheel 16 is connected with the rail connecting portion 52 through a guide mounting seat 17, the guide wheel 16 abuts against the wheel seat 56 and is in rolling fit with the cross plate 56c to guide the movement of the rail connecting portion 52, and the pressing plate 56a is shorter than the wheel seat 56 in order to avoid the guide wheel 16 and the guide mounting seat 17; the guide mount 17 is provided with an eccentric shaft 18, and the guide wheel 16 is provided at a lower end of the eccentric shaft 18, and the eccentric shaft 18 is configured to rotate the eccentric shaft 18 to adjust a gap between the guide wheel 16 and the wheel base 56.

Further, as shown in fig. 2 and 5, the transposition trolley 5 cannot shift left and right when being connected with the transportation rail, so that the moving rail 13 on the transposition trolley 5 is required to be accurately aligned with the transportation rail, and the implementation manner is as follows: the transposition trolley 5 further comprises a positioning device which is arranged on the walking part 51 and is configured to position the transposition trolley 5 at a corresponding position of the transposition track 12; a plurality of positioning seats 19 are arranged on the bottom surface between the two transposition rails 12, the positioning device comprises a positioning pin 57 in insertion fit with one of the positioning seats 19, and the walking part 51 can be locked after the positioning pin 57 is in insertion fit with the positioning seat 19; as shown in fig. 6-8, the positioning pin 57 is arranged on a positioning oil cylinder 58 and driven by the positioning oil cylinder 58 to lift; the positioning oil cylinder 58 is arranged on a positioning oil cylinder seat 59, and the positioning oil cylinder seat 59 is fixedly connected with the walking part 51; specifically, the positioning cylinder 58 has a positioning cylinder rod 510, the upper end of the positioning pin 57 is connected with the positioning cylinder rod 510, and the lower end of the positioning pin 57 is a triangular prism; the positioning seat 19 is a V-shaped positioning seat 19 and comprises a V-shaped groove 20 matched with the shape of the lower end of the positioning pin 57; when the positioning pin 57 is misaligned with the V-shaped groove 20, the positioning cylinder rod 510 pushes the positioning pin 57 downwards, the inclined surface of the lower end of the positioning pin 57 slides relative to the groove wall of the V-shaped groove 20 until the lower end of the positioning pin 57 enters the V-shaped groove 20 and is aligned, and the walking part 51 moves along with the inclined surface and stays at a corresponding position; the positioning seat 19 is located at a position where the moving rail 13 can be aligned with the transportation rail just after the positioning pin 57 is completely matched with the positioning seat 19.

As shown in fig. 6-9, further, a lifting guide assembly is disposed on the positioning cylinder seat 59, and the lifting guide assembly provides a guide function for lifting and lowering the positioning pin 57, specifically, the lifting guide assembly includes a guide fence 9, the guide fence 9 includes a fixing plate 9a and two side fences 9b, the fixing plate 9a and the side fences 9b have the same length in the vertical direction, and both lengths of the fixing plate 9a and the side fences are smaller than the length of the positioning pin 57, the two side fences 9b are located at both sides of the positioning pin 57, the fixing plate 9a is perpendicular to the side fences 9b and faces the positioning cylinder seat 59, and the fixing plate 9a fixes the side fences 9b on the positioning cylinder seat 59 through bolts; a square through hole 90 is formed among the fixing plate 9a, the side wall plate 9b and the positioning oil cylinder base 59, the through hole 90 vertically penetrates through the fixing plate, the positioning pin 57 is inserted into the through hole 90, four inner walls of the through hole 90 (namely the inner wall of the fixing plate 9a, the inner wall of the side wall plate 9b and the surface of the positioning oil cylinder base 59 facing the fixing plate 9 a) are grooved, and a sliding plate with a smooth surface is arranged in the groove, wherein the sliding plate uses a copper plate 91; the copper plate 91 is positioned between the guide enclosing plate 9 and the positioning pin 57 and is in sliding fit with the positioning pin 57, and the positioning pin 57 and the guide enclosing plate 9 are separated by the copper plate 91, so that a gap exists between the positioning pin 57 and the guide enclosing plate 9, and thus, the friction force of the positioning pin 57 during lifting is reduced, and the clamping of the positioning pin 57 due to excessive friction force is avoided.

The rail connecting driving device is a rail connecting oil cylinder 511, the upper surface of the rail connecting part 52 and the upper surface of the traveling part 51 are both provided with a rail connecting oil cylinder seat 512, and two ends of the rail connecting oil cylinder 511 are hinged with the two rail connecting oil cylinder seats 512.

In addition, as shown in fig. 1 and 2, one side of one of the transposition rails 12 is provided with a transposition rack 21, the walking part 51 is provided with a wheel 23 and a transposition motor 24 for driving the wheel 23 to rotate, and a transposition gear 22 meshed with the transposition rack 21 is arranged beside the wheel 23, so that the transposition trolley 5 does not slip when moving; the guide wheel 16 is also arranged beside the wheel 23, the guide wheel 16 is the same as the guide wheel 16 and is arranged at the lower end of an eccentric shaft 18, and the guide wheel 16 is abutted against the side wall of the transposition track 12, so that the transposition trolley 5 can stably move on the transposition track 12 without shaking or deviating from the track.

Claims

1. A meet rail mechanism for dolly characterized by comprising:

the left side and the right side of the rail connecting part are provided with idler wheels which are matched with the walking part in a rolling manner, the walking part is provided with an anti-tipping structure, and the anti-tipping structure is configured to prevent the idler wheels from separating from the walking part to enable the rail connecting part to incline.

2. A rail connecting mechanism for a vehicle as claimed in claim 1, wherein: the anti-tipping structure is a wheel seat, and the wheel seat is arranged on the upper surface of the walking part; the roller is arranged on the rail seat and rolls on the roller seat; the wheel seat comprises a pressing plate, the pressing plate is arranged above the roller, and the pressing plate is configured to limit the roller in the wheel seat.

3. A rail attachment mechanism for trolleys according to claim 2, wherein: and guide wheels with vertical axes are arranged beside the idler wheels and are abutted against the wheel seats.

4. A rail connecting mechanism for a vehicle as claimed in claim 3, wherein: the wheel seat comprises a long L-shaped plate, the L-shaped plate is provided with a vertical plate and a transverse plate, and the lower end of the vertical plate is fixed with one end of the transverse plate; the L-shaped plate is arranged towards the rail connecting part, the transverse plate is fixedly connected with the walking part, and the rollers are matched with the transverse plate in a rolling manner; the pressing plate is arranged at the upper end of the vertical plate and is arranged in the front-rear direction, and the length of the pressing plate is smaller than that of the vertical plate; the guide wheel is matched with the vertical plate in a rolling way.

5. A rail attachment mechanism for trolleys according to claim 3, wherein: the guide wheel is arranged at the lower end of an eccentric shaft, and the eccentric shaft is configured to rotate the eccentric shaft so as to adjust the gap between the guide wheel and the wheel seat.

6. A rail connecting mechanism for a vehicle as claimed in claim 1, wherein: the roller is arranged on the moving seat, the anti-tipping structure is a guide groove, and the guide groove is formed in the surface of the walking part facing the hollow part; the roller rolls in the guide groove and the guide groove restricts the movement of the roller in the vertical direction.

7. A rail attachment mechanism for trolleys according to claim 1, wherein: the length of the movable seat in the front-back direction is smaller than that of the hollow part in the same direction, and when the rail connecting part moves, the movable seat moves in the hollow part simultaneously.