CN116216488A - A hydraulic pulp bale automatic grabbing spreader - Google Patents

Abstract

A hydraulic pulp bag automatic grabbing lifting appliance relates to the field of loading and unloading and stacking equipment. The paper pulp bag grabbing mechanism aims at solving the problems that the existing paper pulp bag grabbing mechanism can only grab three paper pulp bags at most, so that the hoisting operation efficiency is low, the distance between two grabbing hooks in the grabbing mechanism is small, and the use is inconvenient. When the grabbing sling is used, one bag can be hung independently, two bags can be hung independently, three bags can be hung independently, four bags can be hung independently, five bags can be hung independently, the grabbing sling can be better adapted to complex and changeable field conditions, and the working efficiency is improved; utilize the grapple in the grabbing unit and main swing arm or the structure that auxiliary swing arm hinge is connected, at the in-process that snatchs the hoist whereabouts, grapple tip is along pulp package upper plane inward movement under the effect of grapple gravity and spring, can snatch the paper pulp package area that the diameter is 8mm, under the spacing effect of stopper, the grapple can not counter-rotating to the hoist can upward movement and hoist the pulp package. The invention is suitable for pulp bag hoisting operation.

Description

A hydraulic pulp bale automatic grabbing spreader

technical field

The invention relates to the field of loading, unloading and stacking equipment, in particular to a hydraulic pulp bale automatic grabbing hanger.

Background technique

At present, Sany Heavy Industry has similar products on the market. The disadvantage of the Sany grab is that it can grab more than 3 pulp bales, and the efficiency is low; the movement track of the grab is curved, and the grab effect is not ideal. Destroying the pulp bale; the three groups of grabbing hooks cannot be adjusted vertically, and the position of the pulp bale is strictly required. When the pulp bale is placed with a height difference, the grasping effect is not ideal. The synchronous mechanism is a guide wheel structure, and the grapple mechanism affects the reliability and is not convenient for production and processing.

Mortidock has a hydraulic pulp bale spreader, which has low operating efficiency; small hook spacing, which is not conducive to operation; large mass, which consumes the performance of the main engine; manual adjustment of the horizontal spacing is required; there are only two working conditions for lifting pulp bales , for two packs and four packs, with large restrictions.

In summary, the existing pulp bale grabbing mechanism can only grab three pulp bales at most, resulting in low lifting efficiency, and the distance between the two grabbing hooks in the grabbing mechanism is small, resulting in inconvenient use The problem.

Contents of the invention

The present invention solves the problem that the existing pulp bale grasping mechanism can only grasp three pulp bales at most, resulting in low hoisting efficiency, and the distance between the two grabbing hooks in the grasping mechanism is small, resulting in inconvenient use. To solve the problem, a hydraulic pulp bale automatic grabbing spreader is proposed.

A hydraulic pulp bale automatic grabbing hanger of the present invention, which consists of a power equipment connector 1, a shaft 2, a rotating motor 3, a slewing bracket 4, a slewing bearing 5, a main beam 6, an indicator needle 7, and a grabbing unit , beam connecting bracket 9, moving beam group 19, horizontal oil cylinder a20, horizontal oil cylinder b21 and roller group 22;

The upper surface of the outer ring of the slewing support 5 is provided with a slewing support 4, and the top of the slewing support 4 is connected to the power equipment connector 1 through the shaft 2, and the middle part of the upper surface of the slewing support 4 is provided with a rotating motor 3, and the output of the rotating motor 3 After the end passes through the middle part of the upper surface of the slewing support 4, it is connected with the inner hole of the slewing support 5, and the lower surface of the inner ring of the slewing support 5 is fixedly connected with the middle part of the upper surface of the main beam 6 through the beam connecting bracket 9, and the main beam 6 Rectangular frame, the inner two ends of the main beam 6 are respectively provided with two moving beam groups 19, each moving beam group 19 includes n moving beams, n is a positive integer, and a pair of roller sets are respectively arranged at the two ends of each moving beam 22. The end of the moving beam is slidably connected to the inner side of the main beam 6, and the lower surface of each moving beam is evenly provided with two grabbing units along the length direction, and an indicator is provided in the middle of the front top of each grabbing unit. Needle 7, a horizontal oil cylinder b21 is arranged between every two moving beams in the moving beam group 19, a horizontal oil cylinder a20 is respectively provided at both ends of the upper surface of the main beam 6, and the end of the telescopic rod of the horizontal oil cylinder a20 at one end of the main beam 6 It is hingedly connected with one of the moving beam groups 19, and the end of the horizontal oil cylinder a20 telescopic rod at the other end of the main beam 6 is hingedly connected with another moving beam group 19;

Further, the middle part of the main beam 6 is provided with a fixed beam, the lower surface of the fixed beam is uniformly provided with two grasping units along the length direction, and the two ends of the lower surface of the fixed beam are respectively provided with a limit bracket a10;

Further, in the moving beam group 19, the two ends of the lower surface of the moving beam close to the fixed beam are respectively provided with a limit bracket b11;

Further, the four corners of the upper surface of the fixed beam are respectively provided with a hinged connection seat;

Further, the beam connection bracket 9 is connected to the hinge joint seat on the upper surface of the fixed beam on the main beam 6 through the pin shaft 18;

Further, the number n of moving beams in the moving beam group 19, 2≤n≤10, and n is an even number;

Further, the grasping unit includes a grasping bracket 8, a grasping cylinder 12, a main swing arm 13, a connecting rod 14, a spring 15, a secondary swing arm 16 and a grabbing hook 17;

Two grasping brackets 8 are arranged parallel to each other, and a grabbing oil cylinder 12 is arranged between the top ends of the two grabbing brackets 8, and the bottom end of the grabbing oil cylinder 12 is hingedly connected with the grabbing brackets 8 through a rotating shaft. A pair of main swing arms 13 are arranged between one end of the bottom of the support 8, and the top middle part of the pair of main swing arms 13 is hingedly connected with the grab support 8 through a rotating shaft, and the end of the telescopic rod of the grab cylinder 12 is connected to a pair of main swing arms through a rotating shaft. The swing arms 13 are hingedly connected, and the bottoms of a pair of main swing arms 13 are hingedly connected with a pair of grabbing hooks 17 through a rotating shaft, and the sides of a pair of grabbing hooks 17 are connected with a pair of main swing arms 13 by a spring 15, and the two grabbing brackets 8. A pair of auxiliary swing arms 16 are arranged between the other ends of the bottom, and the pair of auxiliary swing arms 16 are hingedly connected with the grasping bracket 8 through a rotating shaft. 17 hinge connection, the side top of another pair of grapple hooks 17 is connected with the side middle part of a pair of auxiliary swing arms 16 by another spring 15, and a pair of main swing arms 13 is connected by a connecting rod 14 between the top ends of a pair of auxiliary swing arms 16. hinged connection;

Further, a limiting block 24 is provided at the middle edge of the inner surface of the secondary swing arm 16;

Further, a limiting block 24 is provided at the middle edge of the inner surface of the main swing arm 13;

Further, when in use, the gripper is connected to the matching grabbing machine, crane and other equipment by the power equipment connector 1; the cross shaft structure is formed by the shaft 2 and the connecting pin on the power equipment connector 1, The spreader can swing back and forth, left and right. The slewing mechanism is composed of the slewing motor 3, the slewing bracket 4, the slewing support 5 and the beam connecting bracket 9, which can make the main beam 6 and some parts below realize horizontal rotation;

Reutilize the inner two ends of the main crossbeam 6 to be respectively provided with two movable crossbeam groups 19, each movable crossbeam group 19 comprises an even number of movable crossbeams, and each two ends of each movable crossbeam are provided with a pair of roller sets 22 respectively, the end of the movable crossbeam The upper part is slidingly connected with the inner surface of the main beam 6, and the lower surface of each moving beam is evenly provided with two grabbing units along the length direction, and an indicator pin 7 is arranged in the middle of the front top of each grabbing unit, and the moving beam set In 19, a horizontal oil cylinder b21 is arranged between every two moving beams, and a horizontal oil cylinder a20 is respectively arranged at both ends of the upper surface of the main beam 6. 19 hinge connections, the end of the telescopic rod of the horizontal cylinder a20 at the other end of the main crossbeam 6 is hingedly connected with another moving crossbeam group 19; the position of the moving crossbeam group 19 on the main crossbeam 6 is adjusted by the horizontal cylinder a20, in fact, the moving The position of the moving beam close to the fixed beam in the beam group 19 is initially determined, and then according to the distance between every two pulp bales 23, the position of each moving beam in the moving beam group 19 is precisely adjusted by using the horizontal cylinder b21 , so that it can be applied to actual hoisting conditions, and then suitable for pulp bales of different sizes; and the side of the main beam 6 is provided with a plurality of bar marks, and the distribution positions of the marks are designed according to the interval of standard pulp bales. It is used in conjunction with the indicator pin 7 of the grabbing unit on each moving beam, so as to serve as a reference for the position of the moving beam; the distance between the spreader and the pulp bag is guaranteed by the limit bracket a10 and the limit bracket b11. The spreader descends, and when the lower end of the limit bracket touches the pulp bale, the spreader stops falling;

The main swing arm 13, the connecting rod 14 and the secondary swing arm 16 are adopted to form a synchronous link mechanism. When the telescopic rod of the grasping oil cylinder 12 stretches out, the main swing arm 13 rotates clockwise, and the secondary swing arm 16 rotates counterclockwise, so that The grapple 17 is closed to realize the grasping of the pulp bale, thereby completing the grasping and hoisting operation of the pulp bale;

And the grapple 17 in the present application can rotate on the main swing arm 13 or the auxiliary swing arm 16. When the spreader stop frame does not touch the pulp bale, the grapple 17 has just touched the pulp bale. Among them, the end of the grapple 17 moves inwardly along the upper plane of the pulp bale under the action of the gravity of the grapple itself and the effect of the spring 15, and can grab a pulp bale with a diameter of 8mm. Under the limit action of the limit block 24, The grapple 17 cannot be rotated in reverse so that the spreader can move upwards to lift the pulp bale. 17 The rotatable design of the grab hook can grab pulp bales of different heights.

Compared with the prior art, the present invention has the following beneficial effects:

The invention overcomes the disadvantages of the prior art. The upper surface of the outer ring adopting the slewing support is provided with a slewing bracket, and the top of the slewing bracket is connected with the connecting piece of power equipment through a shaft, and the middle part of the upper surface of the slewing bracket is provided with a rotating motor. After the output end of the motor passes through the middle part of the upper surface of the slewing support, it is connected with the inner hole of the slewing support, and the lower surface of the inner ring of the slewing support is fixedly connected with the middle part of the upper surface of the main beam through the beam connecting bracket; the power provided by the rotating motor can be Rotate and adjust the main beam;

Two moving beam groups are also used at both ends of the main beam, each of which includes an even number of moving beams, and a pair of roller sets are provided at both ends of each moving beam, and the ends of the moving beam are aligned with the main beam The inner surface of each moving beam is slidably connected, and the lower surface of each moving beam is uniformly provided with two grabbing units along the length direction, and an indicator pin is provided in the middle of the front top of each grabbing unit, and every two moving beams in the moving beam group There is a horizontal oil cylinder b between them, and a horizontal oil cylinder a is installed at both ends of the upper surface of the main beam. The end of the telescopic rod of cylinder a is hingedly connected with another moving beam group; adjusting the position of the moving beam group on the main beam through the horizontal oil cylinder a is actually a preliminary adjustment of the position of the moving beam close to the fixed beam in the moving beam group Determined, and then according to the distance between every two pulp bales, use the horizontal cylinder b to precisely adjust the position of each moving beam in the moving beam group, so that it can be applied to the actual hoisting conditions, and multiple pulp bales can be processed at the same time Simultaneous hoisting operation of bales, which is suitable for pulp bales of different sizes and specifications, and improves the efficiency of hoisting operations;

Moreover, the grabbing sling in this application can hang one pack alone, two packs alone, three packs alone, four packs alone, and five packs alone when in use, which can better adapt to complex and changeable The on-site conditions greatly increase the work efficiency. When one of the working conditions is selected, the rest of the grab hooks are automatically closed to prevent misuse;

Utilizing the structure in which the grapple in the catching unit is hinged to the main swing arm or the auxiliary swing arm, the grapple has already touched the pulp bale when the spreader limit frame does not touch the pulp bale, and when the spreader is falling, The end of the grapple moves inward along the upper plane of the pulp bale under the action of the gravity of the grapple itself and the action of the spring, and can grab the pulp bale tape with a diameter of 8mm. Under the limit action of the limit block, the grapple cannot reverse Rotate so that the spreader can move upwards to lift the pulp bales. With the rotatable design of the grabbing hook, the distance between the two grabbing hooks on the grabbing unit can be adjusted, so that it is suitable for pulp bales of different sizes, and it is easy to use and easy to operate.

Description of drawings

Fig. 1 is the front view of a kind of hydraulic pulp bale automatic grasping hanger of the present invention;

Fig. 2 is a three-dimensional structural schematic diagram of a hydraulic pulp bale automatic grabbing hanger according to the present invention;

Fig. 3 is a front view of a grab unit in a hydraulic pulp bale automatic grab spreader according to the present invention.

Detailed ways

Specific embodiment 1: This embodiment is described in conjunction with Fig. 1 and Fig. 2. A hydraulic pulp bale automatic grabbing spreader described in this embodiment includes a power equipment connector 1, a shaft 2, a rotating motor 3, Slewing bracket 4, slewing bearing 5, main beam 6, indicator needle 7, grabbing unit, beam connecting bracket 9, moving beam group 19, horizontal oil cylinder a20, horizontal oil cylinder b21 and roller group 22;

The upper surface of the outer ring of the slewing support 5 is provided with a slewing support 4, and the top of the slewing support 4 is connected to the power equipment connector 1 through the shaft 2, and the middle part of the upper surface of the slewing support 4 is provided with a rotating motor 3, and the output of the rotating motor 3 After the end passes through the middle part of the upper surface of the slewing support 4, it is connected with the inner hole of the slewing support 5, and the lower surface of the inner ring of the slewing support 5 is fixedly connected with the middle part of the upper surface of the main beam 6 through the beam connecting bracket 9, and the main beam 6 Rectangular frame, the inner two ends of the main beam 6 are respectively provided with two moving beam groups 19, each moving beam group 19 includes n moving beams, n is a positive integer, and a pair of roller sets are respectively arranged at the two ends of each moving beam 22. The end of the moving beam is slidably connected to the inner side of the main beam 6, and the lower surface of each moving beam is evenly provided with two grabbing units along the length direction, and an indicator is provided in the middle of the front top of each grabbing unit. Needle 7, a horizontal oil cylinder b21 is arranged between every two moving beams in the moving beam group 19, a horizontal oil cylinder a20 is respectively provided at both ends of the upper surface of the main beam 6, and the end of the telescopic rod of the horizontal oil cylinder a20 at one end of the main beam 6 It is hingedly connected with one of the moving beam groups 19, and the end of the horizontal oil cylinder a20 telescopic rod at the other end of the main beam 6 is hingedly connected with another moving beam group 19;

In this specific embodiment, when in use, the gripper is connected to the supporting equipment such as grabbers and cranes by the power equipment connector 1; the cross shaft is formed by the shaft 2 and the connecting pin on the power equipment connector 1 The structure can realize the front, rear, left, and right swings of the spreader. The slewing mechanism is composed of the slewing motor 3, the slewing bracket 4, the slewing support 5 and the beam connecting bracket 9, which can make the main beam 6 and some parts below realize horizontal rotation;

Reutilize the inner two ends of the main crossbeam 6 to be respectively provided with two movable crossbeam groups 19, each movable crossbeam group 19 comprises an even number of movable crossbeams, and each two ends of each movable crossbeam are provided with a pair of roller sets 22 respectively, the end of the movable crossbeam The upper part is slidingly connected with the inner surface of the main beam 6, and the lower surface of each moving beam is evenly provided with two grabbing units along the length direction, and an indicator pin 7 is arranged in the middle of the front top of each grabbing unit, and the moving beam set In 19, a horizontal oil cylinder b21 is arranged between every two moving beams, and a horizontal oil cylinder a20 is respectively arranged at both ends of the upper surface of the main beam 6. 19 hinge connections, the end of the telescopic rod of the horizontal cylinder a20 at the other end of the main crossbeam 6 is hingedly connected with another mobile crossbeam group 19; the position of the mobile crossbeam group 19 on the main crossbeam 6 is adjusted by the horizontal cylinder a20, which actually moves the The position of the moving beam close to the fixed beam in the beam group 19 is initially determined, and then according to the distance between every two pulp bales 23, the position of each moving beam in the moving beam group 19 is precisely adjusted by using the horizontal cylinder b21 , so that it can be applied to actual hoisting conditions, and then suitable for pulp bales of different sizes; and the side of the main beam 6 is provided with a plurality of bar marks, and the distribution positions of the marks are designed according to the interval of standard pulp bales. It is used in conjunction with the indicator pin 7 of the grabbing unit on each moving beam, so as to serve as a reference for the position of the moving beam; the distance between the spreader and the pulp bag is guaranteed by the limit bracket a10 and the limit bracket b11. The spreader descends, and when the lower end of the limit bracket touches the pulp bale, the spreader stops falling;

The main swing arm 13, the connecting rod 14 and the secondary swing arm 16 are adopted to form a synchronous link mechanism. When the telescopic rod of the grasping oil cylinder 12 stretches out, the main swing arm 13 rotates clockwise, and the secondary swing arm 16 rotates counterclockwise, so that The grapple 17 is closed to realize the grasping of the pulp bale, thereby completing the grasping and hoisting operation of the pulp bale;

And the grapple 17 in the present application can rotate on the main swing arm 13 or the auxiliary swing arm 16. When the spreader stop frame does not touch the pulp bale, the grapple 17 has just touched the pulp bale. Among them, the end of the grapple 17 moves inwardly along the upper plane of the pulp bale under the action of the gravity of the grapple itself and the effect of the spring 15, and can grab a pulp bale with a diameter of 8mm. Under the limit action of the limit block 24, The grapple 17 cannot be rotated in reverse so that the spreader can move upwards to lift the pulp bale. 17 The rotatable design of the grab hook can grab pulp bales of different heights.

Specific embodiment 2: This embodiment is described in conjunction with Fig. 1 and Fig. 2. This embodiment is a further limitation of the grab hanger described in Specific Embodiment 1. A hydraulic pulp bale automatic Grab the hanger, the middle part of the main beam 6 is provided with a fixed beam, the lower surface of the fixed beam is uniformly provided with two grasping units along the length direction, and the two ends of the lower surface of the fixed beam are respectively provided with a Limit bracket a10;

In this specific embodiment, a fixed beam is arranged in the middle of the main beam 6, and the lower surface of the fixed beam is uniformly provided with two grasping units along the length direction, and two ends of the lower surface of the fixed beam are respectively provided with a limiter. The bracket a10 uses the limit bracket a10 to ensure the distance between the grasping spreader and the pulp bale.

Specific embodiment three: This embodiment is described in conjunction with Fig. 1 and Fig. 2. This embodiment is a further limitation on the grasping spreader described in the second specific embodiment. A hydraulic pulp bale automatic Grabbing the spreader, the two ends of the lower surface of the moving beam close to the fixed beam in the moving beam group 19 are respectively provided with a limit bracket b11;

In this specific embodiment, the two ends of the lower surface of the movable beam close to the fixed beam in the moving beam group 19 are respectively provided with a limit bracket b11, and the limit bracket b11 is used to ensure the distance between the grasping spreader and the pulp bale.

Specific Embodiment 4: This embodiment is described in conjunction with Fig. 1 and Fig. 2. This embodiment is a further limitation on the grabbing hanger described in Specific Embodiment 3. A hydraulic pulp bale automatic Grab the spreader, and the four corners of the upper surface of the fixed beam are respectively provided with a hinged connection seat.

Embodiment 5: This embodiment is described in conjunction with Fig. 1 and Fig. 2. This embodiment is a further limitation on the grabbing hanger described in Embodiment 4. A hydraulic pulp bale automatic To grab the hanger, the beam connection bracket 9 is connected with the hinged seat on the main beam 6 to fix the upper surface of the beam through the pin shaft 18 .

Specific embodiment 6: This embodiment is described in conjunction with Fig. 1 and Fig. 2. This embodiment is a further limitation of the grab hanger described in Specific Embodiment 1. A hydraulic pulp bale automatic For grabbing the spreader, the number n of moving beams in the moving beam group 19 is 2≤n≤10, and n is an even number.

Specific Embodiment 7: This embodiment is described in conjunction with Fig. 1 to Fig. 3. This embodiment is a further limitation of the grab hanger described in Embodiment 1. A hydraulic pulp bale automatic Grab the spreader, the grabbing unit includes a grabbing bracket 8, a grabbing oil cylinder 12, a main swing arm 13, a connecting rod 14, a spring 15, a secondary swing arm 16 and a grabbing hook 17;

Two grasping brackets 8 are arranged parallel to each other, and a grabbing oil cylinder 12 is arranged between the top ends of the two grabbing brackets 8, and the bottom end of the grabbing oil cylinder 12 is hingedly connected with the grabbing brackets 8 through a rotating shaft. A pair of main swing arms 13 are arranged between one end of the bottom of the support 8, and the top middle part of the pair of main swing arms 13 is hingedly connected with the grab support 8 through a rotating shaft, and the end of the telescopic rod of the grab cylinder 12 is connected to a pair of main swing arms through a rotating shaft. The swing arms 13 are hingedly connected, and the bottoms of a pair of main swing arms 13 are hingedly connected with a pair of grabbing hooks 17 through a rotating shaft, and the sides of a pair of grabbing hooks 17 are connected with a pair of main swing arms 13 by a spring 15, and the two grabbing brackets 8. A pair of auxiliary swing arms 16 are arranged between the other ends of the bottom, and the pair of auxiliary swing arms 16 are hingedly connected with the grasping bracket 8 through a rotating shaft. 17 hinge connection, the side top of another pair of grapple hooks 17 is connected with the side middle part of a pair of auxiliary swing arms 16 by another spring 15, and a pair of main swing arms 13 is connected by a connecting rod 14 between the top ends of a pair of auxiliary swing arms 16. hinged connection;

In this specific embodiment, the structure in which the grapple in the catching unit is hinged to the main swing arm or the auxiliary swing arm is used. When the spreader limit frame does not touch the pulp bale, the grapple has already touched the pulp bale. During the falling process, the end of the grapple moves inward along the upper plane of the pulp bale under the action of the gravity of the grapple itself and the spring, and can grab the pulp bale belt with a diameter of 8mm. Under the limit action of the limit block, The grapple cannot be counter-rotated so that the spreader can move upwards to lift the pulp bales. With the rotatable design of the grabbing hook, the distance between the two grabbing hooks on the grabbing unit can be adjusted, so that it is suitable for pulp bales of different sizes, and it is easy to use and easy to operate.

Embodiment 8: This embodiment is described in conjunction with Fig. 1 to Fig. 3. This embodiment is a further limitation of the grab hanger described in Embodiment 7. A hydraulic pulp bale automatic To grab the sling, a limiting block 24 is provided at the middle edge of the inner side of the secondary swing arm 16 .

Specific Embodiment Nine: This embodiment is described in conjunction with Fig. 1 to Fig. 3. This embodiment is a further limitation on the grabbing hanger described in Embodiment 8. A hydraulic pulp bale automatic To grab the hanger, a limiting block 24 is provided at the middle edge of the inner surface of the main swing arm 13 .

working principle

When in use, the gripper is connected to the supporting grabbing machine, crane and other equipment by the power equipment connector 1; the cross shaft structure is formed by the shaft 2 and the connecting pin on the power equipment connector 1, which can realize lifting The tool swings back and forth. The slewing mechanism is composed of the slewing motor 3, the slewing bracket 4, the slewing support 5 and the beam connecting bracket 9, which can make the main beam 6 and some parts below realize horizontal rotation;

Reutilize the inner two ends of the main crossbeam 6 to be respectively provided with two movable crossbeam groups 19, each movable crossbeam group 19 comprises an even number of movable crossbeams, and each two ends of each movable crossbeam are provided with a pair of roller sets 22 respectively, the end of the movable crossbeam The upper part is slidingly connected with the inner surface of the main beam 6, and the lower surface of each moving beam is evenly provided with two grabbing units along the length direction, and an indicator pin 7 is arranged in the middle of the front top of each grabbing unit, and the moving beam set In 19, a horizontal oil cylinder b21 is arranged between every two moving beams, and a horizontal oil cylinder a20 is respectively arranged at both ends of the upper surface of the main beam 6. 19 hinge connections, the end of the telescopic rod of the horizontal cylinder a20 at the other end of the main crossbeam 6 is hingedly connected with another mobile crossbeam group 19; the position of the mobile crossbeam group 19 on the main crossbeam 6 is adjusted by the horizontal cylinder a20, which actually moves the The position of the moving beam close to the fixed beam in the beam group 19 is initially determined, and then according to the distance between every two pulp bales 23, the position of each moving beam in the moving beam group 19 is precisely adjusted by using the horizontal cylinder b21 , so that it can be applied to actual hoisting conditions, and then suitable for pulp bales of different sizes; and the side of the main beam 6 is provided with a plurality of bar marks, and the distribution positions of the marks are designed according to the interval of standard pulp bales. It is used in conjunction with the indicator pin 7 of the grabbing unit on each moving beam, so as to serve as a reference for the position of the moving beam; the distance between the spreader and the pulp bag is guaranteed by the limit bracket a10 and the limit bracket b11. The spreader descends, and when the lower end of the limit bracket touches the pulp bale, the spreader stops falling;

The main swing arm 13, the connecting rod 14 and the secondary swing arm 16 are adopted to form a synchronous link mechanism. When the telescopic rod of the grasping oil cylinder 12 stretches out, the main swing arm 13 rotates clockwise, and the secondary swing arm 16 rotates counterclockwise, so that The grapple 17 is closed to realize the grasping of the pulp bale, thereby completing the grasping and hoisting operation of the pulp bale;

And the grapple 17 in the present application can rotate on the main swing arm 13 or the auxiliary swing arm 16. When the spreader stop frame does not touch the pulp bale, the grapple 17 has just touched the pulp bale. Among them, the end of the grapple 17 moves inwardly along the upper plane of the pulp bale under the action of the gravity of the grapple itself and the effect of the spring 15, and can grab a pulp bale with a diameter of 8mm. Under the limit action of the limit block 24, The grapple 17 cannot be rotated in reverse so that the spreader can move upwards to lift the pulp bale. 17 The rotatable design of the grab hook can grab pulp bales of different heights.

Claims (9)

1. The utility model provides an automatic hoist that snatchs of fluid pressure type paper pulp package which characterized in that: the device comprises a power equipment connecting piece (1), a shaft (2), a rotary motor (3), a rotary support (4), a rotary support (5), a main beam (6), an indicating needle (7), a grabbing unit, a beam connecting support (9), a movable beam group (19), a horizontal oil cylinder a (20), a horizontal oil cylinder b (21) and a roller group (22);

the upper surface of the outer ring of the slewing bearing (5) is provided with a slewing bracket (4), the top of the slewing bracket (4) is connected with a power equipment connecting piece (1) through a shaft (2), the middle part of the upper surface of the slewing bracket (4) is provided with a rotary motor (3), the output end of the rotary motor (3) passes through the middle part of the upper surface of the slewing bracket (4) and then is connected with an inner hole of the slewing bearing (5), the lower surface of the inner ring of the slewing bearing (5) is fixedly connected with the middle part of the upper surface of a main beam (6) through a beam connecting bracket (9), the rectangular frame of the main beam (6), two movable beam groups (19) are respectively arranged at two ends of the inside of the main beam (6), each movable beam group (19) comprises n movable beams, n is a positive integer, two ends of each movable beam are respectively provided with a pair of roller groups (22), the end parts of the movable beams are slidably connected with the inner side surface of the main beam (6), the lower surface of each movable beam is uniformly provided with two grabbing units along the length direction, the middle part of each grabbing unit is provided with an indicating needle (7), the middle part of the top of the inner ring of each grabbing unit is fixedly connected with the upper surface of the main beam (20 a), one end of each movable beam (20 a) is respectively connected with one horizontal beam (20 a), the end part of the telescopic rod of the horizontal cylinder a (20) at the other end of the main beam (6) is hinged with the other movable beam group (19).

2. The hydraulic pulp bale automatic gripping sling as defined in claim 1, wherein: the middle part of the main beam (6) is provided with a fixed beam, the lower surface of the fixed beam is uniformly provided with two grabbing units along the length direction, and two ends of the lower surface of the fixed beam are respectively provided with a limiting bracket a (10).

3. The hydraulic pulp bale automatic gripping sling as defined in claim 2, wherein: two limiting brackets b (11) are respectively arranged at two ends of the lower surface of the movable cross beam close to the fixed cross beam in the movable cross beam group (19).

4. A hydraulic pulp bale automatic gripping sling according to claim 3, characterised in that: four corners of the upper surface of the fixed cross beam are respectively provided with a hinged connection seat.

5. The hydraulic pulp bale automatic gripping sling as defined in claim 4, wherein: the beam connecting bracket (9) is connected with a hinged connecting seat on the upper surface of the fixed beam on the main beam (6) through a pin shaft (18).

6. The hydraulic pulp bale automatic gripping sling as defined in claim 1, wherein: the number n of the movable cross beams in the movable cross beam group (19) is more than or equal to 2 and less than or equal to 10, and n is an even number.

7. The hydraulic pulp bale automatic gripping sling as defined in claim 1, wherein: the grabbing unit comprises a grabbing bracket (8), grabbing cylinders (12), a main swing arm (13), a connecting rod (14), a spring (15), an auxiliary swing arm (16) and a grabbing hook (17);

two snatch support (8) parallel relative settings, and be equipped with one between two snatch support (8) top one ends and snatch hydro-cylinder (12), and be equipped with a pair of main swing arm (13) between two snatch support (8) bottom one ends through pivot and snatch support (8) hinge connection, and the top middle part of a pair of main swing arm (13) is articulated through pivot and snatch support (8), the tip of snatch hydro-cylinder (12) telescopic link is articulated through pivot and a pair of main swing arm (13), be connected through pivot and a pair of grapple (17) hinge between a pair of main swing arm (13) bottom, and a pair of grapple (17) side is connected through spring (15) and a pair of main swing arm (13), be equipped with a pair of auxiliary swing arm (16) between two snatch support (8) bottom other ends, and be connected through pivot and snatch support (8) hinge connection through a pair of auxiliary swing arm (16) hinge connection through pivot and another pair of grapple (17) hinge connection between the bottom of auxiliary swing arm (16), another pair of grapple (17) side is connected through a pair of auxiliary swing arm (16) side and a pair of swing arm (16) hinge connection.

8. The hydraulic pulp bale automatic gripping sling as defined in claim 7, wherein: a limiting block (24) is arranged at the edge of the middle part of the inner side surface of the auxiliary swing arm (16).

9. The hydraulic pulp bale automatic gripping sling as defined in claim 8, wherein: a limiting block (24) is arranged at the edge of the middle part of the inner side surface of the main swing arm (13).

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