CN215249134U - Floating deviation-rectifying automatic wind-proof iron wedge brake for crane - Google Patents
Floating deviation-rectifying automatic wind-proof iron wedge brake for crane Download PDFInfo
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- CN215249134U CN215249134U CN202121403217.9U CN202121403217U CN215249134U CN 215249134 U CN215249134 U CN 215249134U CN 202121403217 U CN202121403217 U CN 202121403217U CN 215249134 U CN215249134 U CN 215249134U
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Abstract
The utility model discloses an automatic iron wedge stopper of preventing wind of rectifying that floats for hoist, including iron wedge stopper body, iron wedge stopper body lower part is provided with the clutch blocks, at the equal fixedly connected with baffle in iron wedge stopper body lower extreme both sides, two baffles are located the both sides of clutch blocks respectively, all are provided with on two baffles and compress tightly adjustment mechanism, compress tightly adjustment mechanism is the tightening bolt. The condition that the crane walking wheels roll on the rails due to the gap between the width of the crane rails and the width of the walking wheels or due to insufficient straightness of the rails can be effectively compensated. The technical problem that when the crane stops moving, the mutual positions of the bottom surface of the wedge-shaped friction block and the top surface of the rail are uncertain is solved. After improvement, 100% of the bottom surface of the iron wedge brake is placed on a rail running surface, the phenomenon of mutual error is prevented, and the requirement of wind-proof braking of a port crane is met.
Description
Technical Field
The utility model belongs to the technical field of the stopper, concretely relates to be applied to prevent wind iron wedge stopper of hoist.
Background
A brake is a device having a function of decelerating, stopping, or holding a stopped state of a moving member or a moving machine. The wind-proof iron wedge brake is a mechanical part for stopping or decelerating moving parts in machinery, is mainly applied to large-scale hoisting equipment in open fields such as ports and the like, particularly coastal cranes, and can effectively stabilize the equipment and prevent typhoon attack.
Traditional iron wedge stopper is as shown in fig. 1-2, including hydraulic drive cylinder 1 and propeller 2, hydraulic drive cylinder 1 sets up the top at propeller 2, be equipped with the piston in the propeller 2, swing joint has first actuating arm 4 on the drive wheel 3 of hydraulic drive cylinder 1, the other end of first actuating arm 4 and the fixed linking to each other in piston top of propeller 2, the piston bottom fixedly connected with driving block of propeller 2, the bottom swing joint of driving block has second actuating arm 5, the other end of second actuating arm 5 passes through fastening bolt fixedly connected with wedge clutch blocks 6. The braking member is typically a wedge shaped pad 6 which has a coefficient of friction with the rail which is not sufficiently stable in use. When the crane travelling wheel normally runs, the iron wedge brake is in a release state, and a certain distance is reserved between the bottom surface of the wedge-shaped friction block and the top of the rail. When stopped, the bottom of the wedge-shaped friction block presses against the top surface of the rail, braking is performed by friction. When the crane walking wheel center deviates from the center of the rail leftwards or rightwards in rainy and snowy weather or windy and sandy weather, the iron wedge brake installed on the end beam of the crane also deviates to the left side or the right side, and when the crane walking wheel center deviates from the center of the rail top surface, the center of the bottom surface of the wedge-shaped friction block also deviates from the center of the rail top surface, so that the bottom surface of the wedge-shaped friction block can not be well attached to the top surface of the rail, the effect of pressing friction is influenced, the braking effect is greatly reduced, and the braking effect of the crane is unstable.
The wedge-shaped friction block is centered with the center of each two rails when the existing iron wedge brake is installed statically, but when the crane stops moving along the rails, 100% of the bottom surface of the wedge-shaped friction block cannot be ensured to be on the top surface of the rails, so that the bottom surface of the iron wedge deviates from one side of the top surface of the rails, the crane is braked in such a state, the braking force is weakened, and the wind-proof capacity of the crane is reduced.
In addition, when the iron wedge brake is installed and debugged, the center line of the lower end beam in a static state of the crane is taken as a reference, and the center line of a rail is taken as a reference, so that the installation and debugging errors are increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic indisputable wedge stopper of preventing wind of floating of hoist rectifying ensures that 100% of indisputable wedge clutch blocks bottom surface of indisputable wedge stopper places on the walking face of rail top surface, prevents to have the phenomenon of staggering each other, satisfies the requirement that harbour hoist prevent wind the braking.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an automatic indisputable wedge stopper of preventing wind of rectifying that floats for hoist, includes indisputable wedge stopper body, and indisputable wedge stopper body lower part is provided with the clutch blocks, at the equal fixedly connected with baffle in indisputable wedge stopper body lower extreme both sides, two baffles are located the both sides of clutch blocks respectively, all are provided with on two baffles and compress tightly adjustment mechanism, compress tightly adjustment mechanism and be the tightening bolt.
The floating deviation-rectifying automatic wind-proof iron wedge brake for the crane is characterized in that the tightening bolts are a plurality of and are uniformly distributed on the same straight line.
The floating deviation-rectifying automatic wind-proof iron wedge brake for the crane is characterized in that friction plates are arranged at the end parts of the tightening bolts, and anti-skid particles or anti-skid teeth are uniformly distributed on the friction plates.
According to the automatic wind-proof iron wedge brake for the floating deviation rectification of the crane, the width of the friction plate is consistent with that of the baffle.
According to the automatic wind-proof iron wedge brake for the floating deviation correction of the crane, the two supporting plates are arranged at the upper end of the brake body, and the pin shaft is sleeved in the two supporting plates.
Adopt above-mentioned technical scheme, the utility model discloses there is following advantage:
the condition that the crane walking wheels roll on the rails due to the gap between the width of the crane rails and the width of the walking wheels or due to insufficient straightness of the rails can be effectively compensated. The technical problem that when the crane stops moving, the mutual positions of the bottom surface of the wedge-shaped friction block and the top surface of the rail are uncertain is solved. After improvement, 100% of the bottom surface of the iron wedge brake is placed on a rail running surface, the phenomenon of mutual error is prevented, and the requirement of wind-proof braking of a port crane is met.
When the iron wedge brake is convenient to install, centering is ensured by always taking the rail as a reference.
The utility model discloses simple structure, this function can be realized to former indisputable wedge stopper change part.
Drawings
Fig. 1 is a schematic structural diagram of a current iron wedge brake.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a left side view of fig. 3.
Fig. 5 is a schematic diagram of a second structure of the present invention.
Fig. 6 is a left side view of fig. 5.
Fig. 7 is an enlarged view of a portion a of fig. 5.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Traditional iron wedge stopper is as shown in fig. 1-2, including hydraulic drive cylinder 1 and propeller 2, hydraulic drive cylinder 1 sets up the top at propeller 2, be equipped with the piston in the propeller 2, swing joint has first actuating arm 4 on the drive wheel 3 of hydraulic drive cylinder 1, the other end of first actuating arm 4 and the fixed linking to each other in piston top of propeller 2, the piston bottom fixedly connected with driving block of propeller 2, the bottom swing joint of driving block has second actuating arm 5, the other end of second actuating arm 5 passes through fastening bolt fixedly connected with wedge clutch blocks 6. The braking member is typically a wedge shaped pad 6 which has a coefficient of friction with the rail which is not sufficiently stable in use. When the crane travelling wheel normally runs, the iron wedge brake is in a release state, and a certain distance is reserved between the bottom surface of the wedge-shaped friction block and the top of the rail. When stopped, the bottom of the wedge-shaped friction block presses against the top surface of the rail, braking is performed by friction. When the crane walking wheel center deviates from the center of the rail leftwards or rightwards in rainy and snowy weather or windy and sandy weather, the iron wedge brake installed on the end beam of the crane also deviates to the left side or the right side, and when the crane walking wheel center deviates from the center of the rail top surface, the center of the bottom surface of the wedge-shaped friction block also deviates from the center of the rail top surface, so that the bottom surface of the wedge-shaped friction block can not be well attached to the top surface of the rail, the effect of pressing friction is influenced, the braking effect is greatly reduced, and the braking effect of the crane is unstable.
The utility model discloses a structure is as shown in fig. 3 and fig. 4, an iron wedge stopper is prevent wind automatically to hoist floating of rectifying, including iron wedge stopper body, iron wedge stopper body lower part is provided with the clutch blocks, and these structures are the same with traditional iron wedge stopper, the following does the utility model discloses improve technical point on sensing iron wedge stopper: the two sides of the lower end of the iron wedge brake body are fixedly connected with baffle plates 8 respectively, the two baffle plates are located on the two sides of the friction block respectively, and the two baffle plates are provided with pressing adjusting mechanisms which are tightening bolts 9 respectively. When the crane travelling wheel 10 normally runs, the iron wedge brake is in a release state, and the distance between the two side surfaces of the rail 7 and the corresponding baffle plates 8 is consistent by adjusting the tightening bolt 9. When the travelling wheel of the crane deviates to the left side, the tightening bolt on the right baffle 8 is in contact with the right side surface of the rail 7, so that the wedge-shaped friction block is limited to continuously deviate to the left side, the bottom surface of the wedge-shaped friction block of the iron wedge brake is ensured to be 100% placed on the top surface of the rail, and the rolling phenomenon is avoided. Thereby ensuring a stable braking effect.
As shown in fig. 5, fig. 6 and fig. 7, the utility model discloses a hoist is with floating automatic iron wedge stopper of preventing wind of rectifying, its structure is further improved on the basis that fig. 3 and fig. 4 are shown, tightening bolt 9 is a plurality of, and the equipartition is on same straight line, and all is provided with friction plate 13 at tightening bolt's tip, equipartition anti-skidding granule 14 or antiskid tooth on the friction plate. When the crane travelling wheel 10 normally runs, the iron wedge brake is in a release state, and the distance between the two side surfaces of the rail 7 and the corresponding baffle plates 8 is consistent by adjusting the tightening bolt 9. When the traveling wheel of the crane deviates to the left, the friction plate on the right baffle 8 is in surface contact with the right side surface of the rail 7 to generate a thrust force to the right, so that the wedge-shaped friction block is limited to continuously deviate to the left, and 100% of the bottom surface of the wedge-shaped friction block of the iron wedge brake is ensured to be placed on the top surface of the rail, and the rolling phenomenon is avoided. Thereby ensuring a stable braking effect.
The crane floating deviation rectifying automatic wind-proof iron wedge brake has the more preferable scheme that the width of the friction plate is consistent with the degree of the baffle plate, the width of the baffle plate is d, the contact area between the baffle plate and a rail is increased, the positioning is accurate, and the wind deviation is prevented.
The heavy machine floating deviation-rectifying automatic wind-proof iron wedge brake is provided with a second-stage limit on the basis of a first-stage wind deviation-proof structure of the baffle, namely two support plates 12 are arranged at the upper end of the brake body, and a pin shaft 11 is sleeved in the two support plates. When the crane travelling wheel 10 normally runs, the iron wedge brake is in a release state, and the distance between the two side surfaces of the rail 7 and the corresponding baffle plates 8 is consistent by adjusting the tightening bolt 9. When the traveling wheel of the crane deviates to the left, the left side baffle 8 is in contact with the right side surface of the rail 7, the lower part of the brake is limited by the friction plate at the end part of the tightening bolt, and the wedge-shaped friction block is limited to continuously deviate to the left. When the crane travelling wheel deviates to the left side, the right baffle 8 is in contact with the right side surface of the rail 7 to generate a thrust force to the right side, so that the integral upper part of the iron wedge brake slides rightwards on the pin shaft 11, the upper part of the brake is limited, and 100% of the bottom surface of the wedge-shaped friction block of the iron wedge brake is ensured to be placed on the top surface of the rail, and the rolling phenomenon cannot be generated. Thereby ensuring a stable braking effect.
The utility model discloses can effectively compensate because of the clearance between hoist rail width and the walking wheel width, perhaps because of the straightness accuracy of rail is not enough, when leading to hoist walking wheel to make rolling motion on the rail, the situation of side-to-side deflection appears. The technical problem that when the crane stops moving, the mutual positions of the bottom surface of the wedge-shaped friction block and the top surface of the rail are uncertain is solved. After improvement, 100% of the bottom surface of the iron wedge brake is placed on a rail running surface, the phenomenon of mutual error is prevented, and the requirement of wind-proof braking of a port crane is met.
Claims (5)
1. The utility model provides an automatic iron wedge stopper of preventing wind of rectifying that floats for hoist, includes iron wedge stopper body, iron wedge stopper body lower part is provided with clutch blocks, its characterized in that: the two baffles are respectively positioned at the two sides of the friction block, and the two baffles are respectively provided with a pressing adjusting mechanism which is a tightening bolt.
2. The automatic deviation-rectifying wind-proof iron wedge brake for the crane according to claim 1, characterized in that: the tightening bolts are distributed on the baffle.
3. The automatic deviation-rectifying wind-proof iron wedge brake for the crane according to claim 1 or 2, characterized in that: the end parts of the tightening bolts are provided with friction plates, and anti-skid particles or anti-skid teeth are uniformly distributed on the friction plates.
4. The automatic deviation-rectifying wind-proof iron wedge brake for the crane according to claim 3, characterized in that: the width of the friction plate is consistent with the width between the two baffle plates.
5. The automatic deviation-rectifying wind-proof iron wedge brake for the crane according to claim 1, characterized in that: the upper end of the brake body is provided with two support plates, and the pin shaft is sleeved in the two support plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121403217.9U CN215249134U (en) | 2021-06-23 | 2021-06-23 | Floating deviation-rectifying automatic wind-proof iron wedge brake for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121403217.9U CN215249134U (en) | 2021-06-23 | 2021-06-23 | Floating deviation-rectifying automatic wind-proof iron wedge brake for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215249134U true CN215249134U (en) | 2021-12-21 |
Family
ID=79482579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121403217.9U Active CN215249134U (en) | 2021-06-23 | 2021-06-23 | Floating deviation-rectifying automatic wind-proof iron wedge brake for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215249134U (en) |
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2021
- 2021-06-23 CN CN202121403217.9U patent/CN215249134U/en active Active
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