CN216970988U

CN216970988U - A centering mechanism for tripper

Info

Publication number: CN216970988U
Application number: CN202123114926.8U
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 centering mechanism for a dump car, which comprises a chassis, a guide wheel, a limiting guide block and an eccentric shaft, wherein the guide wheel is arranged on the chassis; the chassis is configured as a main body support of the discharge trolley, a moving mechanism for driving the trolley to travel is arranged on the chassis, and the moving mechanism comprises wheels arranged at the bottom of the chassis and a power assembly for driving the wheels to roll; the guide wheel is arranged on the chassis, and the axis of the guide wheel is vertically arranged; the guide wheel is arranged beside the track where the discharge trolley is positioned, and is attached to the side surface of the guide wheel when the discharge trolley returns to the initial position, so that limiting and guiding are provided; the eccentric shaft is vertically arranged on the chassis, and the guide wheel is arranged at the lower end part of the eccentric shaft; the eccentric shaft is configured to rotate to adjust a gap between the guide wheel and the limit guide block; compared with the prior art, the left and right movement deviation of the discharging trolley moving each time is within a controllable range, and the influence of overlarge movement on loading and unloading of the steel wire coil is avoided.

Description

A centering mechanism for tripper

Technical Field

The utility model relates to the field of steel wire coil rust removal processing, in particular to a centering mechanism for a dump car.

Background

The steel wire is coiled after the rust removal processing is finished, and the steel wire is generally called as a steel wire coil; 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; in the process of transporting the steel wire coil, the steel wire coil can be carried by the discharge trolley, and the discharge trolley is driven by the transposition trolley to switch among different stations, so that the discharge trolley can leave and enter the transposition trolley for multiple times; the transposition trolley and each station are respectively provided with a track for the discharge trolley to move, the discharge trolley inevitably moves in the left-right direction when moving forwards and backwards, and if the discharge trolley moves too much, the discharge trolley is easy to deviate when entering the station, so that the steel wire coil is blocked when being loaded and unloaded, and even the discharge trolley collides with the station to cause equipment damage.

In order to ensure that the left and right movement deviation of the discharge trolley moving each time is within a controllable range, a centering mechanism is designed, so that the center line of the discharge trolley is positioned on the center line between the two rails when the discharge trolley returns to the transposition trolley each time.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a centering mechanism for a dump car, which utilizes a guide wheel and a limiting guide block to guide and limit the dump car, so that the center line of the dump car is superposed with the center line between two rails when the dump car returns to a transposition car every time, and the left and right movement generated by movement of the dump car when the dump car goes to a station every time is within a certain range.

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

a centering mechanism for a tripper car, comprising:

the chassis is configured as a main body support of the discharge trolley, a moving mechanism for driving the trolley to travel is arranged on the chassis, and the moving mechanism comprises wheels arranged at the bottom of the chassis and a power assembly for driving the wheels to roll;

the guide wheel is arranged on the chassis, and the axis of the guide wheel is vertically arranged;

the limiting guide block is arranged beside the track where the discharging trolley is positioned, and is attached to the side surface of the guide wheel when the discharging trolley returns to the initial position to provide limiting and guiding;

the eccentric shaft is vertically arranged on the chassis, and the guide wheel is arranged at the lower end part of the eccentric shaft; the eccentric shaft is configured to rotate the eccentric shaft to adjust a gap between the guide wheel and the limit guide block.

The transposition trolley is provided with a track for the discharge trolley to move, and the limiting guide block is arranged on the transposition trolley; the guide wheel and the limiting guide block guide and limit the unloading trolley, so that when the unloading trolley returns to the transposition trolley at each time, the central line of the unloading trolley coincides with the central line between the two rails, the centering when the unloading trolley returns is realized, and the unloading trolley moves in a certain range when going to a station at each time, and the phenomenon that the loading and unloading steel wire coil is influenced due to overlarge movement is avoided.

Preferably, the limit guide block has a side surface facing the guide wheel, and the side surface has a chamfered surface of front and rear portions in a traveling direction of the guide wheel, and the chamfered surface is configured to guide the guide wheel. The position deviation caused by left and right movement still exists on the unloading trolley when the unloading trolley returns to the transposition trolley, so that the guide wheel can contact the inclined tangent plane of the limiting guide block firstly, the position deviation of the unloading trolley is eliminated under the action of the inclined tangent plane, and the centering is realized finally.

Preferably, the limiting guide block comprises a middle part and guide parts positioned on the front side and the rear side of the middle part, and the inclined cutting plane is positioned on the guide parts; the guide portion is gradually reduced in thickness from a position near the middle portion to the end portion thereof.

Preferably, the eccentric shaft is mounted on the chassis through a shaft seat, the shaft seat comprises a base and a rod seat for mounting the eccentric shaft, the rod seat is transversely arranged on the side face of the base and fixed on the base through a bolt, the guide wheel is arranged below the rod seat, and the base is fixedly arranged on the chassis.

Preferably, the eccentric shaft comprises a connecting rod and an adjusting rod, and the adjusting rod is vertically inserted on the rod seat and is in running fit with the rod seat; the connecting rod is connected at the regulation pole lower extreme through a deflection dish, and connecting rod the central axis has the deviation with adjusting pole the central axis.

Preferably, the adjusting rod is mounted on the rod base by a deflection disc below the adjusting rod and an adjusting nut above the deflection disc, the adjusting nut being configured to rotate the adjusting rod to adjust the gap between the guide wheel and the limit guide block by loosening the adjusting nut. The eccentric shaft is adjusted to adjust the gap between the guide wheel and the limiting guide block, so that the eccentric shaft is prevented from rotating after long-time work, and the gap between the guide wheel and the limiting guide block is too large to lose the centering effect.

Preferably, a rubber gasket is arranged between the adjusting nut and the rod seat. The rubber gasket piece has elasticity, does not basically deform like the rod seat surface, and when the adjusting nut is screwed down, the rubber gasket compresses and plays a role in compensation, so that the adjusting nut is ensured to be screwed down, and the adjusting nut and the rod seat are also separated from each other, so that the adjusting nut and the rod seat can not be contacted.

Preferably, a boss is fixedly arranged on the side face of the base, and the rod seat and the boss are inserted through a wedge-shaped structure and are fixedly connected through a bolt; the boss is configured to project a guide wheel provided on the eccentric shaft to a side of the chassis. The length of the bolt which enters the base after penetrating through the rod seat can affect the stability of the rod seat, but the guide wheel is required to protrude out of the side face of the chassis for guiding, so that the lug boss is arranged to increase the transverse distance of the guide wheel; the wedge-shaped structure facilitates alignment of the rod seat with the screw hole in the boss.

Preferably, the guide wheel is positioned below the chassis and beside the wheel, and the position of the guide wheel is lower than the lowest point of the wheel. The position of the guide wheel can avoid the wheel, so that the wheel can pass through the position-limiting guide block without obstacle.

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

the utility model has the beneficial effects that:

1. the guide wheel and the limiting guide block guide and limit the unloading trolley, so that when the unloading trolley returns to the transposition trolley at each time, the central line of the unloading trolley coincides with the central line between the two rails, the centering when the unloading trolley returns is realized, and the unloading trolley moves in a certain range when going to a station at each time, and the phenomenon that the loading and unloading steel wire coil is influenced due to overlarge movement is avoided.

2. The position deviation caused by left and right movement still exists on the unloading trolley when the unloading trolley returns to the transposition trolley, so that the guide wheel can contact the inclined tangent plane of the limiting guide block firstly, the position deviation of the unloading trolley is eliminated under the action of the inclined tangent plane, and the centering is realized finally.

3. The eccentric shaft is adjusted to adjust the gap between the guide wheel and the limiting guide block, so that the eccentric shaft is prevented from rotating after long-time work, and the gap between the guide wheel and the limiting guide block is too large to lose the centering effect.

Drawings

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

FIG. 2 is a schematic perspective view of a steel wire coil transporting apparatus according to an embodiment of the present invention;

FIG. 3 is a first schematic perspective view of a dump truck according to an embodiment of the present invention;

fig. 4 is a schematic perspective view illustrating the opening of the movable swaging arm and the fixed swaging arm according to the embodiment of the present invention;

fig. 5 is a schematic perspective view illustrating a closed structure of the movable swaging arm and the fixed swaging arm according to the embodiment of the present invention;

fig. 6 is a schematic plan view illustrating switching between the opening and closing of the movable swaging arm and the fixed swaging arm according to the embodiment of the present invention;

FIG. 7 is a side view of the tripper car according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view of the timing drive assembly on the discharge car in an embodiment of the present invention;

FIG. 9 is a schematic perspective view of a discharge carriage according to an embodiment of the present invention;

FIG. 10 is a schematic perspective view of a position limiting guide mechanism according to an embodiment of the present invention;

fig. 11 is a cross-sectional view of a spacing guide mechanism in an embodiment of the utility model.

The figures are numbered: a material turning device 2; a discharging frame 3; a discharge trolley 4; a chassis 41; a lifting seat 42; a lift platform 42 a; lifting the vertical plate 42 b; a lift ramp 42 c; moving the swaging arm 43; a fixed swage arm 44; an opening and closing oil cylinder 45; a swing arm 46; the long arms 46 a; a short arm 46 b; a swaging action arm 47; the support arms 47 a; a push arm 47 b; a connecting pipe 48; a long tube 48 a; a short tube 48 b; a reinforcing plate 48 c; a spindle shaft 49; a guide rod 410; a rotating shaft seat 411; a movable cylinder block 412; a traveling cylinder 413; opening the limiting member 414; a closing stopper 415; a limit mount 416; a limit stay 417; a rubber gasket 417 a; a limit guide block 418 a; a brake motor 419; an avoidance slot 420; a transposition trolley 5; a rubber sheet 10; a moving rail 13; a guide wheel 16; an eccentric shaft 18; a wheel 23; a transposition motor 24; a lift cylinder 25; a piano cover 26; a guide post 27; a longitudinal rack 29; a moving gear 30; for the middle portion 31; a guide portion 32; a shaft seat 33; a base 331; a rod seat 332; a boss 333; a connecting rod 181; an adjustment lever 182; a deflection disc 183; an adjustment nut 184; a rubber gasket 185; connecting rod central axis 181 a; adjustment rod central axis 182 a; a chamfer 320.

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, taken in conjunction with the accompanying drawings and detailed description, is set forth below. 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:

the utility model provides a centering mechanism for a dump car, which is used on the dump car, wherein the dump car 4 is applied to steel wire coil transportation equipment and is used as a device for directly bearing and carrying a steel wire coil 6; the steel wire coil transportation equipment mainly comprises: the device comprises a carrying trolley for conveying a steel wire coil 6, a plurality of turning devices 2 serving as finish stations of steel wire coil rust removal processing and a plurality of discharging frames 3 serving as conveying stations convenient for forklift conveying, wherein the turning devices 2 and the discharging frames 3 are provided, the turning devices 2 are arranged side by side, the discharging frames 3 are also arranged side by side, and the carrying trolley is positioned between the turning devices 2 and the discharging frames 3 and can move to corresponding positions of the turning devices 2 and the discharging frames 3 to convey the steel wire coil 6; the carrying trolley comprises the unloading trolley 4 and a transposition trolley 5 for supporting the unloading trolley 4 to move among a plurality of stations, wherein the unloading trolley 4 is arranged on the transposition trolley 5, and the moving directions of the unloading trolley 4 and the transposition trolley are different; the working process of the equipment is simply as follows:

as shown in fig. 1 and 2, after the steel wire coil 6 is placed on the upender 2, the transposition trolley 5 moves to the upender 2, the dump trolley 4 moves towards the upender 2, after the dump trolley 4 is loaded with the steel wire coil 6, the dump trolley 4 returns to the transposition trolley 5, and the transposition trolley 5 moves towards the nearby idle discharge frame 3; after the transposition trolley 5 is aligned with the discharge frame 3, the discharge trolley 4 moves towards the discharge frame 3 and places the steel wire coil 6 on the discharge frame 3; after the unloading trolley 4 returns to the transposition trolley 5, the device starts to work in the next round.

When the dump car 4 travels in the front and the back, the left and right movement is inevitable, if the dump car 4 is too large in movement and is easy to deviate when entering a station, the loading and unloading steel wire coil 6 is blocked and even collides with the station to cause equipment damage, so that the dump car 4 can be positioned on a central axis between two tracks when returning to the reloading car 5 every time by using the centering mechanism, the movement error caused by running every time is compensated, and the left and right movement deviation of the dump car 4 moving every time is ensured to be within a controllable range.

Specifically, as shown in fig. 3, 4, 10 and 11, the centering mechanism includes a chassis 41, a guide wheel 16, a limit guide block 418a and an eccentric shaft 18; the chassis 41 is configured as a main body support of the discharge trolley 4, the chassis 41 is provided with a moving mechanism for driving the trolley to travel, and the moving mechanism comprises wheels 23 arranged at the bottom of the chassis 41 and a power assembly for driving the wheels 23 to roll; the guide wheel 16 is arranged on the chassis 41, and the axis of the guide wheel 16 is vertically arranged; the limiting guide block 418a is arranged on the side of the track where the discharging trolley 4 is located and is attached to the guide wheel 16 when the discharging trolley 4 returns to the initial position; the eccentric shaft 18 is vertically arranged on the chassis 41, and the guide wheel 16 is arranged at the lower end part of the eccentric shaft 18; the eccentric shaft 18 is configured to rotate the eccentric shaft 18 to adjust a gap between the guide wheel 16 and the limit guide block 418 a; the guide wheels 16 and the limit guide block 418a are configured to provide limiting and guiding when the dump car 4 returns to the initial position; the left side and the right side of the chassis 41 are both provided with guide wheels 16, the number of the guide wheels 16 on each side is set according to the situation, in the embodiment, each side of the chassis 41 is respectively provided with two guide wheels 16, and the number of the limit guide blocks 418a and the eccentric shafts 18 is the same as that of the guide wheels 16; a moving track 13 for the discharge trolley 4 to move is arranged on the transposition trolley 5, and the limit guide block 418a is arranged beside the moving track 13 on the transposition trolley 5; the guide wheel 16 and the limit guide block 418a guide and limit the discharging trolley 4, so that the discharging trolley 4 is positioned on a central axis between the two moving rails 13 when returning to the transposition trolley 5 each time, and the centering of the discharging trolley 4 when returning is realized, thus, the left and right movement generated by the movement is within a certain range when the discharging trolley 4 goes to a station each time, and the influence on the loading and unloading of the steel wire coil 6 due to overlarge movement is avoided; the guide wheel 16 is located below the chassis 41 and beside the wheel 23, and the guide wheel 16 is located below the lowest point of the wheel 23 to avoid the wheel 23, so that the wheel 23 can pass through the limit guide block 418a without obstacle.

As shown in fig. 10, the limiting guide block 418a has a side surface facing the guide wheel 16, and the side surface has a front-back chamfered surface 320 along the traveling direction of the guide wheel 16, and the chamfered surface 320 is configured to guide the guide wheel 16 to achieve the centering and returning of the dump truck 4, so that the dump truck 4 can smoothly enter without deviation after the next position changing; specifically, the limit guide block 418a includes a middle portion 31 and guide portions 32 located on the front and rear sides of the middle portion 31, and the chamfer surface 320 is located on the guide portions 32; the guide portion 32 is gradually reduced in thickness from a position near the middle portion 31 to the end portion thereof.

As shown in fig. 10 and 11, the eccentric shaft 18 is mounted on the chassis 41 through a shaft seat 33, the shaft seat 33 includes a base 331 and a rod seat 332 for mounting the eccentric shaft 18, the rod seat 332 is transversely disposed on the side of the base 331 and fixed on the base 331 through bolts, the guide wheel 16 is disposed below the rod seat 332, and the base 331 is fixedly disposed on the chassis 41; the eccentric shaft 18 comprises a connecting rod 181 and an adjusting rod 182, wherein the adjusting rod 182 is vertically inserted on the rod seat 332 and is in rotating fit with the rod seat 332; the connecting rod 181 is connected to the lower end of the adjusting rod 182 through a deflection plate 183, and the central axis 181a of the connecting rod deviates from the central axis 182a of the adjusting rod; the adjustment lever 182 is mounted to the lever base 332 by a deflection plate 183 therebelow and an adjustment nut 184 thereabove, the adjustment nut 184 being configured to loosen the adjustment nut 184 to rotate the adjustment lever 182 to adjust the gap between the guide wheel 16 and the limit guide block 418 a; a rubber gasket 185 is arranged between the adjusting nut 184 and the rod seat 332; the eccentric shaft 18 is adjusted to adjust the gap between the guide wheel 16 and the limit guide block 418a, so that the eccentric shaft 18 is prevented from rotating after long-time work, and the gap between the guide wheel 16 and the limit guide block 418a is too large to lose the centering effect; a boss 333 is fixedly arranged on the side surface of the base 331, and the rod seat 332 is inserted into the boss 333 through a wedge-shaped structure and is fixedly connected with the boss 333 through a bolt; the boss 333 is configured to project the guide wheel 16 provided on the eccentric shaft 18 to the side of the chassis 41; the length of the bolt which enters the base 331 after passing through the rod seat 332 affects the stability of the rod seat 332, but the guide wheel 16 needs to protrude out of the side surface of the chassis 41 for guiding, so that the lug boss 333 is arranged to increase the transverse distance of the guide wheel 16; the wedge-shaped configuration facilitates alignment of the rod holder 332 with the threaded bore in the boss 333.

As shown in fig. 3 to 9, the dump car 4 includes a lifting seat 42 and a pressing mechanism, the lifting seat 42 is arranged on the chassis 41 in a lifting manner and moves horizontally in synchronization with the chassis 41, and the lifting seat 42 is configured to place and support the steel wire coil 6; specifically, the lifting frame is connected with the chassis 41 through a lifting mechanism, the lifting mechanism comprises a lifting driving member and a plurality of guide assemblies, the lifting driving member is a lifting oil cylinder 25, the lifting oil cylinder 25 is installed on the chassis 41 and drives the lifting seat 42 to lift, the guide assemblies are four guide posts 27 sleeved with the organ sleeves 26, the guide posts 27 are configured to enable the lifting seat 42 to stably and vertically lift, the chassis 41 is provided with a corresponding number of guide holes 28, the guide posts 27 are slidably arranged in the guide holes 28, and the upper ends of the guide posts 27 are fixedly connected with the lifting seat 42.

The pressing mechanism is arranged on the lifting seat 42 and configured to press the steel wire coil 6 placed on the lifting seat 42, the pressing mechanism comprises two movable pressing arms 43 which can be opened and closed and have adjustable positions and two fixed pressing arms 44 which can be opened and closed synchronously with the movable pressing arms 43 and have fixed positions, and the two movable pressing arms 43 are arranged on the lifting seat 42 in a bilateral symmetry manner and selectively move along the length direction of the lifting seat 42, namely move along the front-back direction of the equipment; the fixed pressing arm 44 is close to the material turning device 2, and the movable pressing arm 43 is close to the discharging frame 3.

The working process of the material pressing mechanism is as follows: when the movable swaging arm 43 and the fixed swaging arm 44 are opened, the wire coil 6 can enter the lifting seat 42 between the movable swaging arm 43 and the fixed swaging arm 44; when the movable swaging arm 43 is folded with the fixed swaging arm 44 and the movable swaging arm 43 is close to the fixed swaging arm 44 along the length direction of the lifting seat 42, the back of the steel wire coil 6 is pressed and moves synchronously with the lifting seat 42; when the swage arm 43 is moved away from the fixed swage arm 44, the compressed wire coil 6 is released.

Furthermore, an opening and closing oil cylinder 45 for controlling the opening and closing of the two movable swaging arms 43 is arranged between the two movable swaging arms 43, and a synchronous transmission component is arranged between the movable swaging arm 43 and the fixed swaging arm 44 which are positioned on the same side of the lifting seat 42; specifically, the opening and closing oil cylinder 45 is connected with the movable swaging arm 43 through an L-shaped swing arm 46, the swing arm 46 comprises a long arm 46a and a short arm 46b, one end of the short arm 46b is hinged with the opening and closing oil cylinder 45, the other end of the short arm 46b is connected with the long arm 46a, and the long arm 46a is connected with the movable swaging arm 43; the movable pressing arm 43 and the fixed pressing arm 44 both comprise pressing action arms 47 and connecting pipes 48, and the pressing action arms 47 are arranged on the connecting pipes 48 and are higher than the lifting seats 42; the connecting pipe 48 of the movable pressing arm 43 is connected with the long arm 46a through a rotating shaft 49 and a guide rod 410, the rotating shaft 49 penetrates through the connecting pipe 48 and the long arm 46a and is arranged on a rotating shaft seat 411 in a penetrating way, and the guide rod 410 and the long arm 46a can synchronously rotate around the rotating shaft 49 as the guide rod 410 connects the long arm 46a with the connecting pipe 48; the rotating shaft seat 411 is fixedly connected with the lifting seat 42, and the long arm 46a is positioned between the rotating shaft seat 411 and the connecting pipe 48; the connection pipe 48 is made of a square pipe instead of a plate-like body in order to enhance the overall strength of the movable pressing arm 43 and the fixed pressing arm 44; the rotating shaft rod 49 and the guide rod 410 are long rods arranged along the front-back direction of the lifting seat 42, two ends of the rotating shaft rod 49 and two ends of the guide rod 410 are respectively connected with the movable swaging arm 43 and the fixed swaging arm 44, and the rotating shaft rod 49 and the guide rod 410 are the synchronous transmission components; when the opening and closing oil cylinder 45 is shortened, the two swing arms 46 rotate around the rotating shaft rod 49 and drive the two movable swaging arms 43 to open, and the fixed swaging arm 44 is driven by the guide rod 410 to open synchronously with the movable swaging arms 43; when the opening and closing oil cylinder 45 extends, the two swing arms 46 rotate around the rotating shaft rod 49 and drive the two movable pressing arms 43 to fold, and the fixed pressing arm 44 is driven by the guide rod 410 to fold synchronously with the movable pressing arms 43.

The rotating shaft rod 49 and the guide rod 410 are both provided with a movable oil cylinder seat 412, a movable oil cylinder 413 is arranged between the rotating shaft rod 49 and the guide rod 410, the movable oil cylinder 413 is installed on the movable oil cylinder seat 412, and the movable oil cylinder 413 is connected to the connecting pipe 48 of the movable swaging arm 43 and drives the movable swaging arm 43 to move along the length direction of the guide rod 410; when the movable swaging arm 43 and the fixed swaging arm 44 are both folded, the movable oil cylinder 413 drives the movable swaging arm 43 to move towards the fixed swaging arm 44 along the guide rod 410 and the rotating shaft rod 49, so as to tightly press the steel wire coil 6 on the lifting seat 42, and the steel wire coil 6 and the discharge trolley 4 can stably and synchronously move; moreover, the rubber plates 10 are arranged on the movable swaging arm 43 and the fixed swaging arm 44, so as to protect the steel wire coil 6 and increase friction, and further ensure the synchronous movement of the steel wire coil 6 and the dump car 4 after being compressed.

The fixed pressing arm 44 or the movable pressing arm 43 is provided with a limiting component, and the limiting component is configured to position the movable pressing arms 43 at two sides at the same opening and closing angle to realize symmetrical opening and closing; the limiting component is arranged on the connecting pipe 48 of the fixed pressing arm 44, and comprises an opening limiting part 414 and a closing limiting part 415; the opening-limiting part 414 and the closing-limiting part 415 have an included angle therebetween, and both are disposed substantially toward the lifting base 42; when the opening and closing oil cylinder 45 is shortened, the opening limit pieces 414 on the two sides sequentially abut against the lifting seat 42, and the two movable swaging arms 43 and the two fixed swaging arms 44 are completely separated; when the opening and closing cylinder 45 extends, the closing stoppers 415 on both sides sequentially abut against the lifting seat 42, and the two movable swaging arms 43 and the two fixed swaging arms 44 are completely closed.

Because the opening and closing oil cylinder 45 cannot control the two sides to simultaneously and uniformly stretch when stretching, a limiting component is arranged on the fixed swaging arm 44; for example, when the opening and closing cylinder 45 extends to drive the movable swaging arms 43 to close, the fixed swaging arms 44 also close synchronously, at this time, the fixed swaging arm 44 on one side rotates to enable the closing limiting piece 415 to abut against the lifting seat 42, and the closing limiting piece 415 on the fixed swaging arm 44 on the side closes to influence that the fixed swaging arm 44 cannot rotate continuously, so that only the fixed swaging arm 44 on the other side can rotate, and when the closing limiting pieces 415 of the fixed swaging arms 44 on both sides abut against the lifting seat 42, the opening and closing cylinder 45 also ends the extending action; in order to make the movable swaging arms 43 and the fixed swaging arms 44 symmetrical, the limiting components on the fixed swaging arms 44 are symmetrically arranged.

The closing limiting piece 415 and the opening limiting piece 414 both include a limiting mounting seat 416 and a limiting support rod 417, the limiting support rod 417 is mounted on the limiting mounting seat 416, a rubber gasket 417a is disposed at an end of the limiting support rod 417 facing the lifting seat 42, and when the closing limiting piece 415 or the opening limiting piece 414 abuts against the lifting seat 42, the rubber gasket 417a can be used for buffering and protecting the lifting seat 42 and the limiting piece from being damaged; the position limiting mount 416 is rotatably connected to the connecting tube 48, and the position limiting mount 416 is configured to rotate the position limiting mount 416 to adjust an included angle between the opening limiting member 414 and the closing limiting member 415.

The connecting pipe 48 is L-shaped, the connecting pipe 48 comprises a long pipe 48a and a short pipe 48b, the swaging action arm 47 is connected to one end of the short pipe 48b, a reinforcing plate 48c is arranged between the swaging action arm and the short pipe 48b, and the other end of the short pipe 48b is connected with the upper end of the long pipe 48 a; the short tubes 48b of the two connecting tubes 48 on the same side are arranged facing away from each other. The swaging action arm 47 comprises a supporting arm 47a and a pushing arm 47b, an included angle is formed between the supporting arm 47a and the pushing arm 47b to form an avoiding area for avoiding obstacles, specifically, when the two movable swaging arms 43 are in a folding state, the minimum distance between the two pushing arms 47b is smaller than the diameter of the steel wire coil 6, and swaging operation can be performed at this time; when two remove the pressure arm 43 and be in the open mode, the contained angle between support arm 47a and the push arm 47b is the obtuse angle to form the district of dodging that is used for dodging the barrier, tripper 4 can get into different stations without hindrance, more does benefit to and loads steel wire book 6, can dodge the barrier like this, can reduce the stroke of the driving piece that opens and shuts again, increases work efficiency.

The power assembly comprises a motor which is a brake motor 419, and when the dump car 4 stops at the initial position (namely on the transposition car 5), the brake motor 419 is powered off to brake the dump car 4; and the wheels 23 of the discharge trolley 4 are idler wheels, and the peripheral convex parts of the idler wheels can abut against the inner side surface of the movable track 13, so that the discharge trolley 4 can stably stay and cannot overturn when the transposition trolley 5 moves.

The longitudinal racks 29 are arranged on the same side of the tracks of the stations and the moving track 13, and the moving gear 30 meshed with the longitudinal racks 29 is arranged on the discharging trolley 4, so that the discharging trolley 4 cannot slip when moving on the tracks.

The section of the lifting seat 42 is approximately U-shaped, the lifting seat 42 comprises a lifting platform 42a and two lifting vertical plates 42b vertically arranged on the lifting platform 42a, the lifting vertical plates 42b are provided with lifting inclined planes 42c contacted with the steel wire coil 6, and the lifting inclined planes 42c are V-shaped inclined planes, so that the steel wire coil 6 can be stably left on the lifting seat 42. The rubber plate 10 is arranged on the lifting inclined plane 42c, the movable pressing arm 43 and the fixed pressing arm 44.

Claims

1. A centering mechanism for a tripper car, characterized by comprising:

2. The centering mechanism for a tripper car according to claim 1, characterized in that: the limiting guide block is provided with a side surface facing the guide wheel, the side surface is provided with a front oblique plane and a rear oblique plane along the traveling direction of the guide wheel, and the oblique planes are configured to guide the guide wheel.

3. The centering mechanism for a dump truck according to claim 2, wherein: the limiting guide block comprises a centering part and guide parts positioned on the front side and the rear side of the centering part, and the oblique plane is positioned on the guide parts; the guide portion is gradually reduced in thickness from a position near the middle portion to the end portion thereof.

4. The centering mechanism for a tripper car according to claim 1, characterized in that: the eccentric shaft is installed on the chassis through a shaft seat, the shaft seat comprises a base and a rod seat used for installing the eccentric shaft, the rod seat is transversely arranged on the side face of the base and fixed on the base through a bolt, the guide wheel is arranged below the rod seat, and the base is fixedly arranged on the chassis.

5. The centering mechanism for a tripper car according to claim 4, characterized in that: the eccentric shaft comprises a connecting rod and an adjusting rod, and the adjusting rod is vertically inserted on the rod seat and is in rotating fit with the rod seat; the connecting rod is connected at the lower end of the adjusting rod through a deflection disc, and the central axis of the connecting rod has deviation with the central axis of the adjusting rod.

6. The centering mechanism for a tripper car according to claim 5, characterized in that: the adjusting rod is mounted on the rod seat by a deflection disc below the adjusting rod and an adjusting nut above the adjusting rod, and the adjusting nut is configured to loosen the adjusting nut to rotate the adjusting rod so as to adjust the gap between the guide wheel and the limiting guide block.

7. The centering mechanism for a tripper car according to claim 6, characterized in that: a rubber gasket is arranged between the adjusting nut and the rod seat.

8. The centering mechanism for a tripper car according to claim 4, characterized in that: a boss is fixedly arranged on the side face of the base, and the rod seat and the boss are inserted through a wedge-shaped structure and are fixedly connected through a bolt; the boss is configured to project a guide wheel provided on the eccentric shaft to a side of the chassis.

9. The centering mechanism for a tripper car according to claim 1, characterized in that: the guide wheel is positioned below the chassis and beside the wheel, and the position of the guide wheel is lower than the lowest point of the wheel.