CN222540258U - A new type of automatic rail hanger - Google Patents

Abstract

The invention discloses a novel automatic rail hoist, comprising a shell, with openings at both ends, and a clearance groove at the bottom of the shell; a main shaft is arranged in the shell, and a dust cover is arranged between the main shaft and the shell; two connecting rods are hinged on the rear side of the main shaft, and a hook is hinged on the lower end of each of the two connecting rods, and the middle parts of the two hooks are hinged to each other and provided with a hinge shaft, which is fixed to the rear side wall of the shell by bolts, and when the main shaft slides upward, the lower ends of the two hooks grasp toward the middle, and a rectangular block is fixed to the front end of the hinge shaft between the two hooks; a shaft sleeve is fixed to the lower end of the main shaft, and a lower lock core is arranged in the shaft sleeve, and the lower lock core can slide up and down in the shaft sleeve without being separated from the shaft sleeve, and a square rod is fixed to the lower end of the lower lock core, and an upper lock core is arranged above the lower lock core, and the upper lock core is fixed to the main shaft. The invention solves the problems that the existing automatic hoist is prone to rust and jamming, and the main shaft and the rotary lock must be replaced synchronously.

Description

Novel automatic lifting appliance for steel rail

Technical Field

The utility model belongs to the field of hoisting equipment, and particularly relates to a novel automatic steel rail hoisting tool.

Background

The steel rail is single in shape, the steel rail is easy to deflect during hoisting, if the lifting hook is fixed manually, the hoisting speed is reduced, accidents are easy to occur, an automatic hoisting tool comprising an opening and closing mechanism is adopted at the present stage, the lower hook claw is controlled to be opened and closed by means of the vertical sliding of the main shaft, and simultaneously the hook claw is locked by matching with the locking hook, so that the hoisting speed can be improved, the condition that a worker is dangerous under the hoisting tool Fang Yifa is avoided, the main shaft of the existing automatic hoisting tool is not protected, rust and clamping stagnation are easy to occur during long-time use in an outdoor scene, the lock cylinder cannot normally rotate, the hoisting effect and the production efficiency are influenced, in addition, the traditional rotary lock and the main shaft are designed into a whole, and once the main shaft or the main shaft is worn to a mechanical limit, the main shaft and the rotary lock are required to be replaced completely, so that the time is wasted, and the maintenance cost is increased.

Disclosure of Invention

The utility model aims to solve the problems that the existing automatic lifting appliance is easy to generate rusting clamping stagnation and a main shaft and a rotary lock are required to be replaced synchronously.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A novel automatic steel rail lifting appliance comprises a shell, wherein the upper end and the lower end of the shell are provided with openings, and the bottom of the shell is provided with a front-back transparent abdication groove; the vertical spindle is arranged in the shell, the upper end of the spindle extends out of the shell, a dust cover is arranged between the spindle and the upper end of the shell, two connecting rods are hinged to the rear side of the spindle in the shell, one hook claw is hinged to the lower ends of the two connecting rods respectively, the middle parts of the two hook claws are hinged to each other and provided with a hinge shaft, the hinge shafts are fixed with the rear side wall of the shell through bolts, when the spindle slides upwards, the lower ends of the two hook claws are clamped inwards, a rectangular block is fixed at the front end of the hinge shaft between the two hook claws, a limiting groove is formed in the upper end of the rectangular block, a shaft sleeve is fixed at the lower end of the spindle, a lower lock cylinder is arranged in the shaft sleeve, can slide up and down in the shaft sleeve and is not separated from the shaft sleeve, a horizontal square rod is fixed at the lower end of the lower lock cylinder, an upper lock cylinder is arranged above the lower lock cylinder, the upper lock cylinder is fixed with the spindle, the upper lock cylinder can enable the lower lock cylinder to rotate by 90 DEG, and the square rod and the rectangular block are switched between the lock cylinder and the lock cylinder when the lower lock cylinder rotates.

As a further description of the above technical solution:

The shell upper end be fixed with the roof, open at the roof middle part has the through-hole, is equipped with linear bearing between main shaft and the through-hole, linear bearing can reduce the friction when the main shaft reciprocates, extension main shaft's life, the dust cover lower extreme be fixed with the roof, the upper end is fixed with the main shaft of roof top, avoid dust or rainwater to fall into in the shell and lead to the main shaft to rust, guarantee main shaft's normal operating environment.

As a further description of the above technical solution:

The front side and the rear side of the main shaft are respectively provided with a connecting rod and a hook claw, the connecting rods at the front side and the rear side are arranged in a front-rear symmetrical mode, the front end and the rear end of the rectangular block are respectively fixed with the hinge shafts at the front side and the rear side, the stress on one side of the main shaft is avoided, the stability of the device in use is improved, and the sleeve is fixedly connected with the lower end of the main shaft through the flange plate.

As a further description of the above technical solution:

The upper lock cylinder comprises a disc, a round hole is coaxially formed in the disc, threaded holes are coaxially formed in the lower end face of a spindle, the disc is coaxially fixed to the bottom of the spindle through bolts, four push rods are uniformly distributed at the lower end of the disc along the circumference, one side, close to the round hole, of each push rod is fixedly provided with a cylindrical block, the lower lock cylinder comprises a cylindrical sliding block, the sliding block is coaxial with the disc, four arc plates are fixedly arranged at the upper end of the sliding block, the four arc plates are connected end to form a circular ring, the upper end face of each arc plate is an inclined face with high left and low right, a circular shaft is arranged between the four arc plates, the outer edge face of the circular shaft is fixed with the inner wall of the arc plate, four wedge blocks are uniformly distributed on the outer edge face of the circular shaft along the circumference, the right side of each wedge block is hinged with a flat plate, the right end of each flat plate is located above the arc plate, when the upper lock cylinder and the lower lock cylinder are mutually close to each other, the cylindrical block can jack the flat plate upwards and separate from the lower lock cylinder when the upper end face of the upper lock cylinder and the lower lock cylinder are mutually far away from each other.

As a further description of the above technical solution:

The bottom of the sliding block is coaxially fixed with a round rod, the diameter of the round rod is smaller than that of the sliding block, the bottom of the shaft sleeve is fixed with a retainer ring, the inner diameter of the retainer ring is larger than that of the round rod and smaller than that of the sliding block, the lower lock cylinder can slide up and down in the shaft sleeve without separating from the shaft sleeve, the square rod is positioned at the lower end of the round rod, the diameter of the round rod is equal to the width of the square rod and smaller than the length of the square rod, the limit groove is a circular sinking groove, the diameter length of the sinking groove is larger than that of the square rod, two arched baffles are fixed at the upper end of the sinking groove, the arc surfaces of the two baffles are attached to the side wall of the sinking groove, the distance between the two baffles is larger than that of the square rod and smaller than that of the square rod, and the two baffles enable the square rod to enter the limit groove only at an angle of the axis along the front and rear directions, and the square rod and the rectangular block can be switched between locking and unlocking of the lower lock cylinder during rotation.

As a further description of the above technical solution:

The bottom of spacing groove be equipped with a plurality of balls to reduce the resistance of lower lock core when rotating, slider lower extreme and baffle upper end all are fixed with face gear, can prevent that lower lock core from taking place to rotate relative axle sleeve when two face gears meshing.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

(1) According to the utility model, the dust cover is added between the shell and the main shaft, so that dust or rainwater can be effectively reduced from entering the shell, the development of the rust condition of internal components can be greatly delayed even if the device is used for a long time in an outdoor scene, the continuity of the device in use and the smoothness in use are improved, the maintenance frequency is reduced, and the labor cost is saved.

(2) The utility model designs the main shaft, the upper lock cylinder and the lower lock cylinder in a split way, only one part is needed to be replaced when a certain part is excessively worn, the main shaft and the lock cylinder are not needed to be replaced integrally, the maintenance cost is reduced, the linear bearing is arranged between the main shaft and the top plate, and the ball is arranged at the bottom of the sinking groove, so that the abrasion of the side wall and the abrasion between the upper lock cylinder and the lower lock cylinder caused by the vertical sliding of the main shaft are greatly reduced, the main shaft, the upper lock cylinder and the lower lock cylinder are more durable, and the smoothness of the movement of each part is improved when the main shaft, the upper lock cylinder and the lower lock cylinder are used.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a left side view of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model without clamping;

FIG. 4 is a front cross-sectional view of the present utility model when clipped;

fig. 5 is a detail view of the upper cylinder 13 of the present utility model;

Fig. 6 is a detail view of the lower lock cylinder 11 of the present utility model;

fig. 7 is a detail view of the rectangular block 8 of the present utility model.

The illustration is 1, a shell, 2, a yielding groove, 3, a main shaft, 4, a dust cover, 5, a connecting rod, 6, a hook claw, 7, a hinge shaft, 8, a rectangular block, 9, a limit groove, 10, a shaft sleeve, 11, a lower lock cylinder, 12, a square rod, 13, an upper lock cylinder, 14, a top plate, 15, a linear bearing, 16, a disc, 17, a push rod, 18, a cylindrical block, 19, a sliding block, 20, an arc plate, 21, a round shaft, 22, a wedge block, 23, a flat plate, 24, a round rod, 25, a retainer ring, 26 and a baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the utility model provides a technical scheme of a novel steel rail automatic lifting appliance:

A novel automatic steel rail lifting tool comprises a shell 1, wherein the upper end and the lower end of the shell 1 are provided with openings, the bottom of the shell 1 is provided with a front-back transparent yielding groove 2, a vertical main shaft 3 is arranged in the shell 1, the upper end of the main shaft 3 extends out of the shell 1, a dust cover 4 is arranged between the main shaft 3 and the upper end of the shell 1, a top plate 14 is fixed at the upper end of the shell 1, a through hole is formed in the middle of the top plate 14, a linear bearing 15 is arranged between the main shaft 3 and the through hole, friction can be reduced when the main shaft 3 moves up and down by the linear bearing 15, the service life of the main shaft 3 is prolonged, the upper end of the top plate 14 is fixedly provided with the dust cover 4, the upper end of the dust cover 4 is fixedly connected with the main shaft 3 above the top plate 14, dust or rainwater is prevented from falling into the shell 1 to cause the main shaft 3 to rust, and the normal working environment of the main shaft 3 is ensured;

The rear side of the main shaft 3 is hinged with two connecting rods 5, the lower ends of the two connecting rods 5 are respectively hinged with one hook claw 6, the middle parts of the two hook claws 6 are hinged with each other, the hinge shaft 7 is fixed with the rear side wall of the shell 1, when two hinge points between the two connecting rods 5 and the two hook claws 6 are close to each other, the lower ends of the hook claws 6 are gripped towards the middle, the front ends of the hinge shafts 7 between the two hook claws 6 are fixed with rectangular blocks 8, the upper ends of the rectangular blocks 8 are provided with limit grooves 9, the front side and the rear side of the main shaft 3 are respectively provided with the connecting rods 5 and the hook claws 6, the connecting rods 5 and the hook claws 6 on the front side and the rear side are symmetrically arranged, the front end and the rear end of the rectangular blocks 8 are respectively fixed with the hinge shafts 7 on the front side and the rear side, so that the stress on one side of the main shaft 3 is avoided, and the stability of the device in use is improved;

The lower end of the main shaft 3 is fixedly provided with a shaft sleeve 10, the bottom surface of the main shaft 3 in the shaft sleeve 10 is fixedly provided with an upper lock cylinder 13, the upper lock cylinder 13 comprises a disc 16, the disc 16 is coaxially provided with a round hole, the lower end surface of the main shaft 3 is coaxially provided with a threaded hole, the disc 16 is coaxially fixed at the bottom of the main shaft 3 through bolts, four push rods 17 are uniformly distributed at the lower end of the disc 16 along the circumference, and one side of each push rod 17 close to the round hole is fixedly provided with a cylindrical block 18; the lower lock cylinder 11 is arranged in the shaft sleeve 10, the lower lock cylinder 11 comprises a columnar slide block 19, the slide block 19 is coaxial with the circular disc 16, four arc plates 20 are fixed at the upper end of the slide block 19, the four arc plates 20 are connected end to form a circular ring, the upper end face of each arc plate 20 is a slope with left high and right low, a circular shaft 21 is arranged between the four arc plates 20, the outer edge face of the circular shaft 21 is fixed with the inner wall of the arc plate 20, four wedge blocks 22 are uniformly distributed on the outer edge face of the circular shaft 21 along the circumference, the right side of each wedge block 22 is hinged with a flat plate 23, the right end of each flat plate 23 is positioned above the arc plate 20, when the upper lock cylinder 13 and the lower lock cylinder 11 are close to each other, the cylindrical block 18 can slide from the upper end face of the wedge block 22 to the rightmost end of the upper end face of the arc plate 20 through the flat plate 23, and when the upper lock cylinder 13 and the lower lock cylinder 11 are far away from each other, the cylindrical block 18 can jack up the flat plate 23 and be separated from the lower lock cylinder 11; a round rod 24 is coaxially fixed at the bottom of the slide block 19, the diameter of the round rod 24 is smaller than that of the slide block 19, a check ring 25 is fixed at the bottom of the shaft sleeve 10, the inner diameter of the check ring 25 is larger than that of the round rod 24 and smaller than that of the slide block 19, so that the lower lock cylinder 11 can slide up and down in the shaft sleeve 10 without separating from the shaft sleeve 10, and the lower end of the slide block 19 and the upper end of the check ring 25 are both fixed with face gears, when the two face gears are meshed, the lower lock cylinder 11 can be prevented from rotating relative to the shaft sleeve 10;

The lower end of the round rod 24 extends out of the shaft sleeve 10 and is fixedly provided with a horizontal square rod 12, the diameter of the round rod 24 is equal to the width of the square rod 12 and is smaller than the length of the square rod 12, the limit groove 9 is a circular sinking groove, a plurality of balls are arranged at the bottom of the sinking groove so as to reduce the resistance of the lower lock cylinder 11 during rotation, the diameter length of the sinking groove is larger than the length of the square rod 12, two arched baffles 26 are fixed at the upper end of the sinking groove, the arc surfaces of the two baffles 26 are attached to the side wall of the sinking groove, the distance between the two baffles 26 is larger than the width of the square rod 12 and smaller than the length of the square rod 12, the two baffles 26 enable the square rod 12 to enter the limit groove 9 only at an angle of an axis along the front-back direction, and further the lower lock cylinder 11 can be switched between locking and unlocking of the square rod 12 and the rectangular block 8 during rotation.

Working principle:

Before the utility model is used, two hinging shafts 7 are taken out from the front side and the rear side of a shell 1, a top plate 14 is removed to lift a main shaft 3 from the upper end of the shell 1, then a lower lock cylinder 11 is pushed upwards to separate two face gears between the lower lock cylinder 11 and a retainer ring 25, the lower lock cylinder 11 is rotated to enable the axis of a square rod 12 to be along the front-rear direction, a rectangular block 8 is lifted upwards, the square rod 12 can penetrate through a sinking groove from between two baffles 26, the lower lock cylinder 11 is rotated again to enable the axis of the square rod 12 to be along the left-right direction, then the lower lock cylinder 11 is loosened, the two face gears are meshed to enable the lower lock cylinder 11 to be unable to rotate in a shaft sleeve 10, the shaft sleeve 10 is removed from the lower end of the main shaft 3, the angles of four arc plates 20 and flat plates 23 are observed, the upper lock cylinder 13 is reinstalled and fixed, the four cylindrical blocks 18 on the upper lock cylinder 13 are aligned with the four flat plates 23 of the lower lock cylinder 11, finally the shaft sleeve 10 is reinstalled at the lower end of the main shaft 3, the main shaft 3 is put into the shell 1, and the two hinging shafts 7, the top plate 14 and the dust cover 4 are installed;

when the device is used, a lifting rope of the crane is fixedly connected with a main shaft 3 at the upper end of a dust cover 4, because a square rod 12 is positioned in a limit groove 9, the joint between two connecting rods 5 and the main shaft 3 and the joint distance between two hooking claws 6 are minimum, the lower ends of the two hooking claws 6 are in an open state, the crane is driven to hoist a steel rail, when the device contacts the steel rail from top to bottom, the upper end of the steel rail enters the shell 1 from the position of the abdicating groove 2 and is positioned between the two hooking claws 6, the device continuously moves downwards, a rectangular block 8 is firstly contacted with the upper end of the steel rail, then a cylindrical block 18 of an upper lock cylinder 13 is contacted with a flat plate 23, the upper lock cylinder 13 pushes a lower lock cylinder 11 to rotate due to the fact that the bottom of a sinking groove is provided with balls, the upper lock cylinder 18 slides to the rightmost end of an arc-shaped plate 20, and at the moment, the lower cylinder block 18 rotates 90 degrees in a total from the upper end of the flat plate 23, the axis of the square rod 12 is changed from the left direction to the right direction to the front direction, the upper end of the steel rail is controlled to lift the main shaft 3, the square rod 12 is firstly contacted with the upper end of the steel rail, then the square rod 12 is separated from the two rectangular blocks 26 from the two lower ends of the square blocks 6, and the two hooking claws 6 are gradually pulled up to the upper end of the steel rail 6, and the steel rail is continuously clamped, and the lower end of the steel rail is pulled down;

When the steel rail is moved to a designated position and put down, the main shaft 3 moves downwards relative to the steel rail, the distance between the hinge point of the main shaft 3 and the connecting rod 5 and the hinge point of the two hook claws 6 is reduced, the lower ends of the two hook claws 6 are separated to two sides, the rectangular block 8 is contacted with the upper end of the steel rail again, the main shaft 3 continues to move downwards, the square rod 12 enters the limiting groove 9 again, then the upper lock cylinder 13 enables the lower lock cylinder 11 to rotate 90 degrees again, the axis of the square rod 12 is changed into a state in the left-right direction, the device is restored to the state before clamping the steel rail, and finally the main shaft 3 is lifted up, and the device is separated from the steel rail;

In the use, the ball of heavy groove bottom has greatly reduced the frictional force between lower lock core 11 and the rectangular piece 8, just also reduced the frictional force between upper lock core 13 and the lower lock core 11 when upper lock core 13 promotes lower lock core 11 rotation, make upper lock core 13 and lower lock core 11 more durable, and the linear bearing 15 between main shaft 3 and roof 14 also can reduce the friction between main shaft 3 and the roof 14, reduce the change frequency of main shaft 3, dust cover 4 of roof 14 top can prevent dust or rainwater entering casing 1 simultaneously, can not take place the corrosion jamming also in outdoor long-time use, the smooth nature of device when having improved the use.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and those skilled in the art should appreciate that the technical scheme and the inventive concept according to the present utility model are equivalent or changed within the scope of the present utility model.

Claims (6)

1. The novel automatic steel rail lifting appliance is characterized by comprising a shell (1), wherein the upper end and the lower end of the shell (1) are provided with openings, and the bottom of the shell (1) is provided with a front-back transparent abdication groove (2); a vertical main shaft (3) is arranged in the shell (1), the upper end of the main shaft (3) extends out of the shell (1), a dust cover (4) is arranged between the main shaft (3) and the upper end of the shell (1), two connecting rods (5) are hinged at the rear side of the main shaft (3) in the shell (1), one hook claw (6) is hinged at the lower ends of the two connecting rods (5), a hinging shaft (7) is arranged at the middle parts of the two hook claws (6) in a hinging manner, the hinging shaft (7) is fixed with the rear side wall of the shell (1) through bolts, when the main shaft (3) slides upwards, the lower ends of the two hook claws (6) are clamped inwards, a rectangular block (8) is fixed at the front end of the hinging shaft (7) between the two hook claws (6), a limiting groove (9) is formed in the upper end of the rectangular block (8), a shaft sleeve (10) is fixed at the lower end of the main shaft (3), a lower lock cylinder (11) is arranged in the shaft sleeve (10), the lower lock cylinder (11) can slide up and down in the shaft sleeve (10) without separating from the shaft sleeve (10), the lower end of the lower lock cylinder (11) extends out of the shaft sleeve (10) and is provided with a horizontal rod (12), an upper lock cylinder (13) is arranged above the lower lock cylinder (11), the upper lock cylinder (13) is fixed with the main shaft (3), the upper lock cylinder (13) can enable the lower lock cylinder (11) to rotate by taking 90 degrees as a unit, and the square rod (12) and the rectangular block (8) are switched between locking and unlocking when the lower lock cylinder (11) rotates.

2. The novel automatic steel rail lifting appliance according to claim 1, wherein a top plate (14) is fixed at the upper end of the shell (1), a through hole is formed in the middle of the top plate (14), a linear bearing (15) is arranged between the main shaft (3) and the through hole, the lower end of the dust cover (4) is fixed with the top plate (14), and the upper end of the dust cover is fixed with the main shaft (3) above the top plate (14).

3. The novel automatic steel rail lifting appliance according to claim 1, wherein the front side and the rear side of the main shaft (3) are respectively provided with a connecting rod (5) and a hook claw (6), the connecting rods (5) and the hook claws (6) on the front side and the rear side are arranged in a front-rear symmetrical mode, the front end and the rear end of the rectangular block (8) are respectively fixed with the hinge shafts (7) on the front side and the rear side, and the shaft sleeve (10) is fixedly connected with the lower end of the main shaft (3) through a flange plate.

4. The novel automatic steel rail lifting appliance according to claim 1 is characterized in that the upper lock cylinder (13) comprises a disc (16), round holes are coaxially formed in the disc (16), threaded holes are coaxially formed in the lower end face of a main shaft (3), the disc (16) is coaxially fixed to the bottom of the main shaft (3) through bolts, four push rods (17) are uniformly distributed at the lower end of the disc (16) along the circumference, one side, close to the round holes, of each push rod (17) is fixedly provided with a cylindrical block (18), the lower lock cylinder (11) comprises a cylindrical slide block (19), the slide block (19) is coaxial with the disc (16), four arc plates (20) are fixedly connected end to form a circular ring, the upper end face of each arc plate (20) is an inclined face with the left side high and the right side low, a circular shaft (21) is arranged between the four arc plates (20), four wedge blocks (22) are uniformly distributed on the outer edge face of each circular shaft (21) along the circumference, and each wedge block (22) is uniformly distributed on the right side of each wedge plate (23).

5. The novel automatic steel rail lifting appliance according to claim 4 is characterized in that a round rod (24) is coaxially fixed at the bottom of the sliding block (19), the diameter of the round rod (24) is smaller than that of the sliding block (19), a retainer ring (25) is fixed at the bottom of the shaft sleeve (10), the inner diameter of the retainer ring (25) is larger than that of the round rod (24) and smaller than that of the sliding block (19), the square rod (12) is located at the lower end of the round rod (24), the diameter of the round rod (24) is equal to the width of the square rod (12) and smaller than the length of the square rod (12), the limit groove (9) is a circular sinking groove, the diameter length of the sinking groove is larger than that of the square rod (12), two arched baffles (26) are fixed at the upper end of the sinking groove, the circular arc surfaces of the two baffles (26) are attached to the side walls of the sinking groove, the distance between the two baffles (26) is larger than the width of the square rod (12) and smaller than the length of the square rod (12), and the two baffles (26) can only enable the square rod (12) to enter the limit groove (9) in the front-rear direction along the axis direction.

6. The novel automatic steel rail lifting appliance according to claim 5, wherein a plurality of balls are arranged at the bottom of the limiting groove (9), and face gears are fixed at the lower end of the sliding block (19) and the upper end of the retainer ring (25).