CN216971343U - Opening and closing mechanism for material pressing of discharging trolley - Google Patents

Abstract

The utility model discloses an opening and closing mechanism for discharging trolley material pressing, which comprises a lifting seat, a movable material pressing arm and an opening and closing driving piece, wherein the lifting seat is configured to place and support a steel wire coil; the movable material pressing arm is rotatably arranged at the front end part or the rear end part of the lifting seat and protrudes upwards out of the lifting seat, and the rotating connection point of the movable material pressing arm and the lifting seat is positioned in the middle of the movable material pressing arm; the two movable swaging arms are arranged on the lifting seat in a bilateral symmetry manner; the opening and closing driving piece is horizontally arranged between the two movable swaging arms, and two ends of the opening and closing driving piece are respectively and rotatably connected with the lower ends of the movable swaging arms on two sides and control the opening and closing movement of the movable swaging arms; the opening and closing driving piece selectively performs telescopic motion; compared with the prior art, when the movable swaging arms are opened, the distance between the movable swaging arms is larger than the diameter of the steel wire coil, the steel wire coil can be avoided horizontally, and the discharging trolley enters a loading and unloading station; when the movable swaging arms are closed, the distance between the swaging arms is smaller than the diameter of the steel wire coil, and the swaging arms can act on the steel wire coil to tightly press the steel wire coil.

Description

Opening and closing mechanism for material pressing of discharging trolley

Technical Field

The utility model relates to the field of steel wire coil rust removal processing, in particular to an opening and closing mechanism for discharging trolley material pressing.

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 order to facilitate production line transportation, a steel wire coil subjected to rust removal processing is generally sleeved on a material collecting frame, and then the steel wire coil is transported by carrying the material collecting frame, or the steel wire coil is directly transported to an anti-oxidation treatment station by a forklift.

The method of a common manufacturer is that a steel wire coil is transported between a derusting processing finishing station and a transportation station convenient for transportation by a forklift; in order to stably retain the steel wire coil on the discharging trolley in the moving process of the discharging trolley, the steel wire coil which is originally loose and unstable is pressed tightly, the distance between every two circles of steel wires after the length of the steel wire coil is compressed is reduced, and the steel wire coil is even tightly attached to each other, so that the steel wire coil becomes compact and stable, and the steel wire coil is more stable during transportation.

The other problem is caused by the idea that if the steel wire coil is pressed tightly, a material pressing arm is needed, the existence of the material pressing arm can influence the work of the unloading trolley for loading and unloading the steel wire coil, the steel wire coil can be loaded and unloaded only by lifting because the distance between the material pressing arms is smaller than the diameter of the steel wire coil, the steel wire coil cannot be horizontally avoided when the steel wire coil is loaded and unloaded at the small distance, the steel wire coil can be loaded or unloaded only by lifting, the working efficiency can be greatly influenced, the unloading trolley is required to have a large lifting stroke, and other stations can be matched to provide enough lifting space for the unloading trolley.

Therefore, how to enable the pressing arms to act on the steel wire coil (the distance between the pressing arms is smaller than the diameter of the steel wire coil) and horizontally avoid the steel wire coil (the distance between the pressing arms is larger than the diameter of the steel wire coil) is a problem to be solved urgently.

Disclosure of Invention

In order to solve the technical problem, the utility model provides an opening and closing mechanism for material pressing of a dump truck, wherein two movable material pressing arms can perform opening and closing movement, the distance between the movable material pressing arms is larger than the diameter of a steel wire coil when the dump truck is opened, the steel wire coil can be horizontally avoided, and the dump truck enters a loading and unloading station; when the folding is carried out, the distance between the pressing arms is smaller than the diameter of the steel wire coil, and the pressing arms can act on the steel wire coil to press the steel wire coil tightly.

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

the utility model provides an opening and shutting mechanism for tripper material is pressed, includes:

the lifting seat is configured to be a part for placing and supporting the steel wire coil on the discharging trolley;

the movable pressing arm is rotatably arranged at the front end part or the rear end part of the lifting seat and protrudes upwards out of the lifting seat, and the rotating connection point of the movable pressing arm and the lifting seat is positioned in the middle of the movable pressing arm; the two movable pressing arms are arranged on the lifting seat in a bilateral symmetry manner;

the opening and closing driving piece is horizontally arranged between the two movable pressing arms, and the left end and the right end of the opening and closing driving piece are respectively in rotating connection with the lower ends of the movable pressing arms on the left side and the right side and control the opening and closing movement of the two movable pressing arms; the opening and closing driving piece selectively performs telescopic motion, when the opening and closing driving piece extends, the upper end parts of the two movable pressing arms are close to each other, the lower end parts of the two movable pressing arms are far away from each other, the minimum distance between the upper end parts of the two movable pressing arms is smaller than the diameter of the steel wire coil, and the two movable pressing arms are in a closed state; when the opening and closing driving piece is shortened, the upper end parts of the two movable pressing arms are far away from and the lower end parts of the two movable pressing arms are close to each other, the maximum distance between the upper end parts of the two movable pressing arms is larger than the diameter of the steel wire coil, and the two movable pressing arms are in an opening state.

The movable pressing arms are driven by the opening and closing driving piece to perform opening and closing movement, when the movable pressing arms are in an opening state, the distance between the upper end parts of the two movable pressing arms is larger than the diameter of the steel wire coil, and at the moment, the discharging trolley can avoid the steel wire coil to smoothly move to a station in the horizontal direction; when the movable swaging arms are in a folding state, the distance between the upper end parts of the two movable swaging arms is smaller than the diameter of the steel wire coil, and the movable swaging arms can act on the steel wire coil, so that subsequent swaging work can be realized.

Preferably, the movable pressing arm comprises a pressing action arm, the pressing action arm comprises a supporting arm and a pushing arm, and an included angle is formed between the supporting arm and the pushing arm; when the two movable swaging arms are in a folding state, the minimum distance between the two pushing arms is smaller than the diameter of the steel wire coil; when the two movable pressing arms are in an opening state, an avoiding area for avoiding obstacles is formed between the supporting arm and the pushing arm. When the steel wire coil is compressed, only the push arm is in contact with the steel wire coil and compresses the steel wire coil; an included angle is formed between the supporting arm and the pushing arm, so that the pressing arm has the capability of horizontally avoiding obstacles, and the steel wire coil is more favorably assembled and disassembled.

Preferably, the opening and closing driving piece is an opening and closing oil cylinder.

Preferably, the automatic lifting device further comprises two fixed pressing arms which are arranged at the other end of the lifting seat in a bilateral symmetry mode, and a synchronous transmission assembly is arranged between the movable pressing arm and the fixed pressing arm which are located on the same side of the lifting seat. The movable swaging arm acts on one end of the steel wire coil, and the fixed swaging arm acts on the other end of the steel wire coil, so that the steel wire coil can be pressed tightly when the movable swaging arm moves towards the fixed swaging arm; the synchronous transmission component enables the movable pressing arm and the fixed pressing arm to synchronously open and close, so that only one opening and closing oil cylinder is needed to control the opening and closing of the pressing arm, the cost is saved, and the production and assembly of the trolley are simplified.

Preferably, an L-shaped swing arm is arranged between the opening and closing driving piece and the two movable swaging arms respectively, the opening and closing driving piece is connected with the two movable swaging arms through the two swing arms, each swing arm comprises a long arm and a short arm, one end of each short arm is hinged with the opening and closing driving piece, the other end of each short arm is connected with the long arm, and the long arm is connected with the movable swaging arms; the movable pressing arm comprises a pressing action arm and a connecting pipe, and the pressing action arm is arranged on the connecting pipe and is higher than the lifting seat; the connecting pipe of the movable material pressing arm is connected with the long arm through a rotating shaft and a guide rod, the rotating shaft penetrates through the connecting pipe and the long arm and penetrates through a rotating shaft seat, the rotating shaft seat is fixedly connected with the lifting seat, and the movable material pressing arm is rotatably arranged on the lifting seat through the rotating shaft and the rotating shaft seat; when the opening and closing driving piece is shortened, the two swing arms rotate around the rotating shaft and drive the two movable material pressing arms to open; when the opening and closing driving piece extends, the two swing arms rotate around the rotating shaft and drive the two movable pressing arms to close. The movable pressing arm is connected with the oil cylinder and connected with the support lifting seat through the rotating shaft and the rotating shaft seat, and two purposes are achieved at one stroke.

Preferably, the connecting pipe is L-shaped, the connecting pipe comprises a long pipe and a short pipe, the material pressing action arm is connected to one end of the short pipe, a reinforcing rib is arranged between the material pressing action arm and the short pipe, and the other end of the short pipe is connected with the upper end of the long pipe; the short pipe is horizontal and arranged along the front-back direction, and the material pressing action arm is positioned at one end of the short pipe far away from the middle part of the lifting seat in the front-back direction. The pressing action arm is positioned at one end of the short pipe far away from the middle part of the lifting seat, so that the length of a steel wire coil which can be borne by the lifting seat is longer, and the application range is wider.

Preferably, the movable pressing arm limits the rotation angle through a limiting component, and the limiting component is configured to position the movable pressing arms on two sides at the same opening and closing angle. The pressing arms on the two sides do not need to move synchronously, but in order to ensure the stability when the steel wire coil is pressed, the pressing arms on the two sides are kept symmetrical under the state of stopping, so that the pressing arms apply force uniformly, and the pressing work can be effectively and stably carried out.

Preferably, the limiting assembly is arranged on the connecting pipe of the movable pressing arm and comprises an opening limiting part and a closing limiting part; an included angle is formed between the opening limiting part and the closing limiting part, and the opening limiting part and the closing limiting part are approximately arranged towards the lifting seat; when the opening and closing driving piece is shortened, the opening limiting pieces on the two sides sequentially abut against the lifting seat, and the two movable pressing arms are completely separated; when the opening and closing driving piece extends, the closing limiting pieces on the two sides sequentially abut against the lifting seat, and the two movable pressing arms are completely closed.

Preferably, the opening limiting part and the closing limiting part both comprise limiting installation seats, the limiting installation seats are rotatably connected to the connecting pipe, and the limiting installation seats are configured to rotate the limiting installation seats so as to adjust an included angle between the opening limiting part and the closing limiting part. The included angle between the opening limiting part and the closing limiting part is adjusted so as to change the angle of the pressing arm in the opening and closing state.

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:

1. the opening and closing movement of the movable pressing arm enables the discharging trolley to selectively avoid the steel wire coil in the horizontal direction, so that the steel wire coil can smoothly come to a station where the steel wire coil is located, the discharging trolley does not need to be lifted in a large stroke, the working efficiency is improved, and the cost of a required driving piece is also reduced; other stations do not need to provide space for the lifting of the discharging trolley, and the excessive consideration is not needed in design.

2. The opening and closing movement of the movable swaging arms enables the movable swaging arms to selectively limit the steel wire coil, when the movable swaging arms are in a closed state, the distance between the upper end parts of the two movable swaging arms is smaller than the diameter of the steel wire coil, and the steel wire coil is limited by the swaging arms from the front and back direction and cannot fall off from the direction; thereby being matched with the subsequent material pressing work to ensure that the steel wire coil is stably left on the discharge trolley.

3. The opening and closing movement of the movable pressing arm can enable the pushing arm of the movable pressing arm to selectively enter or leave a horizontal area where the steel wire coil is located, and the supporting arm and the pushing arm are designed on the basis, so that obstacles can be avoided, the stroke of the opening and closing driving piece can be reduced, and the working efficiency is improved.

Drawings

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

fig. 2 is a schematic perspective view of the movable swaging arm and the fixed swaging arm when the swaging arms are opened according to the embodiment of the present invention;

fig. 3 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. 4 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. 5 is a side view of a tripper car according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of the timing drive assembly on the discharge car in an embodiment of the present invention;

FIG. 7 is a schematic perspective view of a discharge carriage according to an embodiment of the present invention;

FIG. 8 is a schematic perspective view of a position limiting guide mechanism according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of a spacing guide mechanism in an embodiment of the utility model.

The figures are numbered: 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 rotating shaft rod 49; a guide rod 410; a rotating shaft seat 411; a movable cylinder block 412; a traveling cylinder 413; opening the limit stop 414; a closing stopper 415; a limit mount 416; a limit stay 417; a rubber gasket 417 a; a limit guide mechanism 418; a limit guide block 418 a; a brake motor 419; an avoidance slot 420; a steel wire coil 6; a guide wheel 16; a guide mounting seat 17; an eccentric shaft 18; a wheel 23; a lift cylinder 25; a piano cover 26; and a guide post 27.

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:

the utility model provides an opening and closing mechanism for the material pressing of a discharge trolley, which is applied to a material pressing mechanism of a discharge trolley 4, wherein the discharge trolley 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 opening and closing mechanism comprises a lifting seat 42, a movable material pressing arm 43 and an opening and closing driving piece, wherein the lifting seat 42 is configured to be a part for placing and supporting the steel wire coil 6 on the discharging trolley 4; the movable pressing arm 43 is rotatably arranged at the front end part or the rear end part of the lifting seat 42 and protrudes upwards out of the lifting seat 42, and the rotating connection point of the movable pressing arm 43 and the lifting seat 42 is positioned in the middle of the movable pressing arm 43; the number of the movable material pressing arms 43 is two, and the two movable material pressing arms 43 are arranged on the lifting seat 42 in a bilateral symmetry manner; the opening and closing driving piece is horizontally arranged between the two movable swaging arms 43, and the left end and the right end of the opening and closing driving piece are respectively and rotatably connected with the lower ends of the movable swaging arms 43 on the left side and the right side and control the opening and closing movement of the two movable swaging arms 43; the opening and closing driving piece selectively moves telescopically.

When the opening and closing driving piece extends, the upper end parts of the two movable swaging arms 43 are close to each other, the lower end parts of the two movable swaging arms 43 are far away from each other, the minimum distance between the upper end parts of the two movable swaging arms 43 is smaller than the diameter of the steel wire coil 6, and the two movable swaging arms 43 are in a closed state; when the opening and closing driving piece is shortened, the upper end parts of the two movable swaging arms 43 are far away and the lower end parts of the two movable swaging arms 43 are close to each other until the maximum distance between the upper end parts of the two movable swaging arms 43 is larger than the diameter 6 of the steel wire coil, and the two movable swaging arms 43 are in an opening state; the movable material pressing arms 43 are driven by the opening and closing driving piece to perform opening and closing movement, when the movable material pressing arms 43 are in an opening state, the distance between the upper end parts of the two movable material pressing arms 43 is larger than the diameter 6 of the steel wire coil, and at the moment, the discharge trolley 4 can smoothly move to a station in the horizontal direction while avoiding the steel wire coil 6; when the movable swaging arms 43 are in a closed state, the distance between the upper end parts of the two movable swaging arms 43 is smaller than the diameter of the steel wire coil 6, and at the moment, the movable swaging arms 43 can act on the steel wire coil 6, so that the subsequent swaging work can be realized; the discharge trolley 4 can avoid the steel wire coil 6 in the horizontal direction, so that the discharge trolley 4 does not need to be lifted by a large stroke, the working efficiency is improved, and the cost of a required driving piece is reduced; other stations do not need to provide space for the lifting of the discharging trolley 4, and the design does not need to be considered too much.

In this embodiment, the opening and closing driving member is an opening and closing oil cylinder 45; the length direction of the dump car 4 is taken as the front-back direction.

Specifically, as shown in fig. 1 to 7, the dump car 4 further includes a chassis 41 and a material pressing mechanism, the chassis 41 is configured as a main body support of the dump car 4, the chassis 41 is provided with a moving mechanism for driving the car to travel, and the moving mechanism includes wheels 23 arranged at the bottom of the chassis 41 and a power assembly for driving the wheels 23 to roll; the lifting seat 42 is arranged on the chassis 41 in a lifting manner and moves horizontally synchronously with the chassis 41; specifically, as shown in fig. 7, the lifting frame is connected to the chassis 41 through a lifting mechanism, the lifting mechanism includes a lifting driving member and a plurality of guide assemblies, the lifting driving member is a lifting cylinder 25, the lifting cylinder 25 is installed on the chassis 41 and drives the lifting seat 42 to lift, the guide assemblies are guide posts 27 provided with the musical instrument cover 26, and there are four guide posts 27, the guide posts 27 are configured to enable the lifting seat 42 to stably lift vertically, the chassis 41 is provided with a corresponding number of guide holes (not shown), the guide posts 27 are slidably disposed in the guide holes, and the upper ends of the guide posts 27 are fixedly connected to 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 and two fixed pressing arms 44 which are synchronously opened and closed with the movable pressing arms 43 and are fixed in position, and the positions of the movable pressing arms 43 are adjustable, namely 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 (front-back direction) of the lifting seat 42; the movable pressing arm 43 is located at the rear end of the lifting seat 42, and the fixed pressing arm 44 is located at the front end of the lifting seat 42.

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 approaches the fixed swaging arm 44 along the length direction of the lifting seat 42, the steel wire coil 6 is pressed and can move 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.

Further, as shown in fig. 2-4, the opening and closing cylinder 45 is disposed between the two movable swaging arms 43, and a synchronous transmission assembly is disposed between the movable swaging arm 43 and the fixed swaging arm 44 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.

As shown in fig. 5 and 6, the rotating shaft 49 and the guide rod 410 are both provided with a movable cylinder base 412, a movable cylinder 413 is arranged between the rotating shaft 49 and the guide rod 410, the movable cylinder 413 is mounted on the movable cylinder base 412, and the movable 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.

As shown in fig. 4, a limiting component is arranged on the fixed swaging arm 44 or the movable swaging arm 43, and the limiting component is configured to position the movable swaging arms 43 at two sides at the same opening and closing angle to realize symmetrical opening and closing; the movable swaging arm 43 and the fixed swaging arm 44 rotate synchronously, so that the movable swaging arm can be arranged on the fixed swaging arm 44 which is not connected with the opening and closing oil cylinder 45, and enough space is provided for facilitating installation; the limiting component 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 parts 414 at two sides are sequentially abutted 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 material pressing 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, the closing limiting piece 415 of the fixed swaging arm 44 on the side is closed, so that the fixed swaging arm 44 on the other side cannot rotate continuously, 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 pressing arms 43 on the two sides and the fixed pressing arms 44 on the two sides symmetrical, the limiting components on the fixed pressing arms 44 on the two sides are symmetrically arranged.

The closing limiting piece 415 and the opening limiting piece 414 respectively comprise a limiting installation base 416 and a limiting support rod 417, the limiting support rod 417 is installed on the limiting installation base 416, a rubber gasket 417a is arranged at the end part of the limiting support rod 417 facing the lifting base 42, and when the closing limiting piece 415 or the opening limiting piece 414 abuts against the lifting base 42, the rubber gasket 417a can be used for buffering and protecting the lifting base 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.

As shown in fig. 1-3, 8 and 9, a limiting and guiding mechanism 418 is disposed beside the wheel 23, and the limiting and guiding mechanism 418 is configured to provide limiting and guiding when the dump car 4 returns to the initial position; the limiting and guiding mechanism 418 comprises an eccentric shaft 18 and a limiting and guiding block 418a, the lower end of the eccentric shaft 18 is provided with a guide wheel 16, and the limiting and guiding block 418a is arranged on the ground and attached to the guide wheel 16 when the discharging trolley 4 returns to the initial position; 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 limiting guide block 418a is provided with a front oblique plane and a rear oblique plane, and the oblique planes are configured to guide the guide wheels 16, so that the unloading trolley 4 is returned and centered, and the unloading trolley 4 can smoothly drive in without deviation after next transposition; the power assembly comprises a motor, the motor is a brake motor 419, and when the dump car 4 stops, the brake motor 419 is powered off to brake the dump car 4; and the wheels 23 of the dump car 4 are idler wheels, and the circumferential convex parts of the idler wheels can abut against the inner side surface of the movable track 13, so that the dump car 4 cannot fall off the track when moving.

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 closed 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 the moment; 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.

As shown in fig. 4, the cross section of the lifting seat 42 is substantially U-shaped, the lifting seat 42 includes a lifting platform 42a and two lifting risers 42b vertically disposed on the lifting platform 42a, the lifting risers 42b have lifting inclined surfaces 42c contacting the wire coil 6, and the two lifting inclined surfaces 42c form a V-shaped inclined surface, so that the wire coil 6 can be stably retained on the lifting seat 42. The rubber plate 10 is arranged on the lifting inclined plane 42c, the movable swaging arm 43 and the fixed swaging arm 44.

Claims (9)

1. The utility model provides a mechanism that opens and shuts that is used for tripper to press material which characterized in that includes:

the lifting seat is configured to be a part for placing and supporting the steel wire coil on the discharging trolley;

the movable pressing arm is rotatably arranged at the front end part or the rear end part of the lifting seat and protrudes upwards out of the lifting seat, and the rotating connection point of the movable pressing arm and the lifting seat is positioned in the middle of the movable pressing arm; the two movable pressing arms are arranged on the lifting seat in a bilateral symmetry manner;

the opening and closing driving piece is horizontally arranged between the two movable pressing arms, and the left end and the right end of the opening and closing driving piece are respectively in rotating connection with the lower ends of the movable pressing arms on the left side and the right side and control the opening and closing movement of the two movable pressing arms; the opening and closing driving piece selectively performs telescopic motion, when the opening and closing driving piece extends, the upper end parts of the two movable swaging arms are close to each other, the lower end parts of the two movable swaging arms are far away from each other, the minimum distance between the upper end parts of the two movable swaging arms is smaller than the diameter of the steel wire coil, and the two movable swaging arms are in a closed state; when the opening and closing driving piece is shortened, the upper end parts of the two movable pressing arms are far away from and the lower end parts of the two movable pressing arms are close to each other, the maximum distance between the upper end parts of the two movable pressing arms is larger than the diameter of the steel wire coil, and the two movable pressing arms are in an opening state.

2. The opening and closing mechanism for pressing of the discharging trolley according to claim 1 is characterized in that: the movable pressing arm comprises a pressing action arm, the pressing action arm comprises a supporting arm and a pushing arm, and an included angle is formed between the supporting arm and the pushing arm; when the two movable swaging arms are in a folding state, the minimum distance between the two pushing arms is smaller than the diameter of the steel wire coil; when the two movable pressing arms are in an opening state, an avoiding area for avoiding obstacles is formed between the supporting arm and the pushing arm.

3. The opening and closing mechanism for pressing of the discharging trolley according to claim 1 is characterized in that: the opening and closing driving piece is an opening and closing oil cylinder.

4. The opening and closing mechanism for pressing of the discharging trolley according to claim 1 is characterized in that: the lifting device is characterized by further comprising two fixed pressing arms which are arranged at the other end of the lifting seat in a bilateral symmetry mode, and a synchronous transmission assembly is arranged between the movable pressing arm and the fixed pressing arm which are located on the same side of the lifting seat.

5. The opening and closing mechanism for pressing of the discharging trolley according to claim 1 is characterized in that: an L-shaped swing arm is arranged between the opening and closing driving piece and the two movable pressing arms respectively, the opening and closing driving piece is connected with the two movable pressing arms through the two swing arms, each swing arm comprises a long arm and a short arm, one end of each short arm is hinged with the opening and closing driving piece, the other end of each short arm is connected with the long arm, and the long arm is connected with the movable pressing arms; the movable pressing arm comprises a pressing action arm and a connecting pipe, and the pressing action arm is arranged on the connecting pipe and is higher than the lifting seat; the connecting pipe of the movable material pressing arm is connected with the long arm through a rotating shaft and a guide rod, the rotating shaft penetrates through the connecting pipe and the long arm and penetrates through a rotating shaft seat, the rotating shaft seat is fixedly connected with the lifting seat, and the movable material pressing arm is rotatably arranged on the lifting seat through the rotating shaft and the rotating shaft seat; when the opening and closing driving piece is shortened, the two swing arms rotate around the rotating shaft and drive the two movable material pressing arms to open; when the opening and closing driving piece extends, the two swing arms rotate around the rotating shaft and drive the two movable pressing arms to close.

6. The opening and closing mechanism for pressing of the discharging trolley as claimed in claim 5, characterized in that: the connecting pipe is L-shaped and comprises a long pipe and a short pipe, the material pressing action arm is connected to one end of the short pipe, a reinforcing rib is arranged between the material pressing action arm and the short pipe, and the other end of the short pipe is connected with the upper end of the long pipe; the short pipe is horizontal and arranged along the front-back direction, and the material pressing action arm is positioned at one end of the short pipe far away from the middle part of the lifting seat in the front-back direction.

7. The opening and closing mechanism for pressing of the discharging trolley according to claim 1 is characterized in that: the movable pressing arms limit the rotation angle through a limiting component, and the limiting component is configured to position the movable pressing arms on two sides at the same opening and closing angle.

8. The opening and closing mechanism for material pressing of the discharging trolley according to claim 7 is characterized in that: the limiting assembly is arranged on the connecting pipe of the movable pressing arm and comprises an opening limiting part and a closing limiting part; an included angle is formed between the opening limiting part and the closing limiting part, and the opening limiting part and the closing limiting part are approximately arranged towards the lifting seat; when the opening and closing driving piece is shortened, the opening limiting pieces on the two sides sequentially abut against the lifting seat, and the two movable swaging arms are completely separated; when the opening and closing driving piece extends, the closing limiting pieces on the two sides abut against the lifting seat in sequence, and the two movable pressing arms are completely closed.

9. The opening and closing mechanism for material pressing of the discharging trolley according to claim 8 is characterized in that: the opening limiting part and the closing limiting part respectively comprise a limiting installation seat, the limiting installation seat is rotatably connected to the connecting pipe, and the limiting installation seat is configured to rotate the limiting installation seat so as to adjust an included angle between the opening limiting part and the closing limiting part.

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