CN114476988A - Anti-tipping equipment of suspension crane - Google Patents

Abstract

The invention discloses tipping prevention equipment for a suspension crane, which comprises a base and a support pillar positioned on the base, wherein the upper surface of the support pillar is symmetrically provided with two first sliding rails, the upper limit positions of the two first sliding rails are connected with a first fixed seat in a sliding manner, the first fixed seat is fixedly connected with the support pillar through a bolt, the support pillar is fixedly arranged on the first fixed seat, and the upper surface of the support pillar is provided with a protection mechanism for preventing the support pillar from tipping; protection mechanism includes that the symmetry sets up two fixing bases two near the support column both sides on the base, is provided with fixed block one on two fixing bases two respectively, and two fixed block one are close to the equal symmetry of opposite side of support column and are provided with two limiting plates, and two limiting plate surfaces have been seted up the spacing groove and have the bracing piece through the spacing sliding connection of this spacing groove, and the one end that the limiting plate was kept away from to the bracing piece is provided with the supporting shoe. The invention has the advantages of good protection effect and convenient adjustment, and solves the problems in the background technology.

Description

A suspension crane anti-overturning device

technical field

The invention relates to the technical field of cranes, in particular to an anti-overturning device for a suspension crane.

Background technique

Suspension cranes are composed of suspension devices, rails, turnouts, walking trolleys, electric hoists, mobile power supply devices and control devices. Since the suspension crane can realize the direct transportation of materials in the air with only simple installation, it is widely used in material transportation links or systems in all walks of life.

When the existing suspension crane is stretched up and down by the electric hoist, the upper end of the suspension crane is easy to lose its balance in harsh environments such as strong wind, resulting in overturning, causing construction accidents and affecting the construction progress. Therefore, we propose a suspension crane to prevent overturning. equipment.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an anti-overturning device for a suspended crane, which has the advantages of good protection effect and convenient adjustment, and solves the problems raised in the background art.

In order to achieve the above purpose, the present invention provides the following technical solution: an anti-overturning device for a hanging crane, comprising a base and a support column located on the base, and two sliding rails are symmetrically arranged on the upper surface of the support column, and the two The first upper position of the sliding rail is slidably connected with a fixing seat 1, the fixing seat 1 is fixedly connected with the support column through bolts, and a protection mechanism to prevent the support column from tipping is arranged on the base;

The protection mechanism includes two fixed seats 2 symmetrically arranged on the base and close to both sides of the support column, the two fixed seats 2 are respectively provided with a fixed block 1, and the two fixed blocks 1 are close to the opposite sides of the support column. There are two limit plates symmetrically arranged, and a limit slot is set on the surface of the two limit plates, and a support rod is connected to the limit sliding through the limit groove, and the end of the support rod away from the limit plate is provided with a support block , the support block is provided with a groove matching the outer contour of the support column, and the groove on the support block is in contact with the outer contour of the support column.

Preferably, sliding grooves are formed on the lower surfaces of the two fixing bases, and are connected to the sliding rail in a limited position through the sliding grooves, and no less than ten sets of threaded holes are formed on the upper surfaces of the supporting columns, The four corners of the upper surface of the second fixing seat are provided with threaded holes that cooperate with the supporting column, and the second fixing seat and the supporting column are fixedly connected by bolts.

Preferably, the first fixed block is provided with an adjustment mechanism for controlling the support block, the adjustment mechanism includes the second fixed block fixedly connected with the upper surface of the first fixed block, and the second fixed block is movably connected with a hydraulic Cylinder 1, the telescopic end of the hydraulic cylinder 1 is fixedly connected with a connecting head 2, the support rod is provided with a connecting head 1, and the connecting head 2 and the connecting head 1 are movably connected by a plug.

Preferably, the adjustment mechanism further includes a hydraulic cylinder 2, the upper surface of the fixed seat 2 is located between the two limit plates, and a through groove is formed at one end of the support rod away from the support block, and a movable connection is rotatably connected through the through groove. The telescopic end of the second hydraulic cylinder is movably connected with the movable shaft, and the support rod is connected with the limiting slot on the surface of the limiting plate to limit the sliding connection through the movable shaft.

Preferably, a mounting seat is fixedly connected to the side of the base close to the support column, the mounting seat is provided with a bearing platform for storing load-bearing objects, and two connecting blocks are symmetrically arranged on the upper surface of the bearing platform. The column is provided with two connecting blocks two that cooperate with the two connecting blocks one, and the surfaces of the two connecting blocks and the first connecting block are provided with through holes for fixing the ropes.

Preferably, two sliding rails 2 are symmetrically arranged on the upper surface of the mounting base, and two limit grooves are provided on the lower surface of the load-bearing platform to limit sliding with the sliding rails 2, and the two sliding rails 2 are T shape.

Preferably, two mounting plates are symmetrically arranged on the upper surface of the mounting seat, through holes are formed on the surfaces of the two mounting plates and are rotatably connected with the screw rods through the through holes, and threaded holes are formed on the bearing platform and pass through the through holes. The threaded hole is screwed with the screw, the end of the mounting plate away from the base is fixedly mounted with a motor, and the output shaft of the motor is fixedly connected with the screw.

Preferably, two sets of electric push rods are symmetrically arranged on both sides of the load-bearing platform, and the telescopic ends of the two sets of electric push rods penetrate through the load-bearing platform and are fixedly connected with two sets of push plates.

Compared with the prior art, the beneficial effects of the present invention are as follows:

1. In the present invention, the grooves on the support block are arranged to counteract the outer contour of the support column, and the support column is supported by the support block to prevent the two sides in contact with the support block from tipping over.

2. The contact position between the support block and the support column can be adjusted by the provision of the second hydraulic cylinder, which can be adjusted adaptively according to the height of the support column;

3. When the mounting seat is moved on the second sliding rail, the first connecting block on the mounting seat can pull the rope, and the second connecting block at the other end of the rope can be pulled. By setting the second sliding rail to be T-shaped, the pulling can be prevented. Excessive force will cause the mounting seat to separate from the sliding rail 2 and cause damage to the device body.

Description of drawings

Fig. 1 is three-dimensional structure schematic diagram one of the present invention;

Fig. 2 is the side view structure schematic diagram of Fig. 1 of the present invention;

Fig. 3 is the front view structure schematic diagram of Fig. 1 of the present invention;

4 is a schematic structural diagram of a protection mechanism of the present invention;

Fig. 5 is the three-dimensional structure schematic diagram two of the present invention;

FIG. 6 is a schematic diagram of the cross-sectional structure of the bearing platform of the present invention.

In the figure: 1. Support column; 2. Base; 3. Fixed seat 1; 4. Sliding rail 1; 5. Fixed seat 2; 6. Fixed block 1; 7. Support block; 8. Mounting seat; Two; 10, bearing platform; 11, connecting block one; 12, electric push rod; 13, hydraulic cylinder two; 14, push plate; 15, mounting plate; 16, motor; 17, connecting block two; 18, support rod; 19. Limit plate; 20. Hydraulic cylinder 1; 21. Fixed block 2; 22. Connector 1; 23. Connector 2; 24. Active shaft; 25. Screw.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIGS. 1 to 6 , the present invention provides a technical solution: an anti-overturning device for a suspended crane, comprising a base 2 and a support column 1 located on the base 2 , and two sliding rails are symmetrically arranged on the upper surface of the support column 1 One 4, the upper position of the two sliding rails one 4 is slidably connected with a fixed seat one 3, the fixed seat one 3 is fixedly connected with the support column 1 through bolts, and the base 2 is provided with a protection mechanism to prevent the support column 1 from tipping over;

The protection mechanism includes two fixed seats 2 5 symmetrically arranged on both sides of the base 2 close to the support column 1 , the two fixed seats 2 5 are respectively provided with a fixed block 1 6 , and the two fixed blocks 1 6 are close to the opposite sides of the support column 1 . Two limit plates 19 are symmetrically arranged on both sides. The surfaces of the two limit plates 19 are provided with limit grooves, and a support rod 18 is slidably connected through the limit grooves. The end of the support rod 18 away from the limit plate 19 is provided with a The support block 7 is provided with a groove matching the outer contour of the support column 1 , and the groove on the support block 7 is in contact with the outer contour of the support column 1 .

By arranging the grooves on the support block 7 to be in contact with the outer contour of the support column 1 , the support column 1 is supported by the support block 7 to prevent the two sides in contact with the support block 7 from tipping over.

The lower surfaces of the two fixed bases 5 are provided with sliding grooves and are connected to the sliding rail 1 4 through the sliding grooves. The upper surface of the support column 1 is provided with no less than ten sets of threaded holes. The four corners of the upper surface are provided with threaded holes that cooperate with the support column 1, and the fixing base 2 5 and the support column 1 are fixedly connected by bolts.

The distance between the second fixed seat 5 and the support column 1 can be adjusted through the sliding connection between the second fixed seat 5 and the sliding rail 1 4, and then no less than ten sets of threaded holes are opened on the upper surface of the support column 1, and bolts can be used to pass the bolts. The specific position of the second fixing seat 5 is fixed.

The fixing block 16 is provided with an adjustment mechanism for controlling the support block 7. The adjustment mechanism includes a fixing block 2 21 fixedly connected with the upper surface of the fixing block 1 6. The fixing block 21 is movably connected with a hydraulic cylinder 1 20 through a plug. A connecting head 23 is fixedly connected to the telescopic end of the hydraulic cylinder 1 20 , and a connecting head 1 22 is provided on the support rod 18 .

By setting the adjustment mechanism to adjust the support block 7, when the telescopic head of the hydraulic cylinder 1 20 is controlled to move and expand to the side of the fixed block 2 21, the support block 7 that is in close contact with the support block 7 can be separated from the support column 1. When the telescopic head of the hydraulic cylinder 1 20 is controlled to move and expand to the side away from the fixed block 2 21, it can make close contact with the outer contour of the support block 7 and the support column 1, and support the support column 1 to prevent the support column 1 from tilting. turn.

The adjusting mechanism also includes the second hydraulic cylinder 13 whose upper surface of the fixed seat 5 is located between the two limit plates 19 , and the end of the support rod 18 away from the support block 7 is provided with a through slot through which the movable shaft 24 is rotatably connected. , the telescopic end of the second hydraulic cylinder 13 is movably connected with the movable shaft 24 , and the support rod 18 is connected with the limiting groove on the surface of the limiting plate 19 through the movable shaft 24 to limit the sliding connection.

By arranging the second hydraulic cylinder 13, when the telescopic end of the second hydraulic cylinder 13 moves upward, the movable shaft 24 can be moved vertically upward in the limiting groove of the limiting plate 19, and the movable shaft 24 can move vertically upward through the limiting plate 19 in the vertical direction. The upward movement can make the end of the movable shaft 24 away from the support block 7 to move upward in the vertical direction, and the contact position between the support block 7 and the support column 1 can be adjusted by the provision of the second hydraulic cylinder 13 , which can be adapted according to the height of the support column 1 Sexual regulation.

The side of the base 2 close to the support column 1 is fixedly connected with a mounting seat 8, and a load-bearing platform 10 for storing load-bearing objects is arranged on the mounting seat 8. The upper surface of the bearing platform 10 is symmetrically provided with two connecting blocks 11. There are two connecting blocks 17 that cooperate with the two connecting blocks 11. The surfaces of the connecting blocks 2 17 and the first connecting block 11 are provided with through holes for fixing ropes.

By placing a load on the mounting seat 8, connecting the first connecting block 11 on the mounting seat 8 with the second connecting block 17 through the rope, and pulling the second connecting block 17 on the support column 1 through the rope, the supporting The force of the column 1 is more stable, preventing the support column 1 from overturning.

Two sliding rails 2 9 are symmetrically arranged on the upper surface of the mounting base 8 , and two limiting grooves are provided on the lower surface of the bearing platform 10 to limit sliding with the sliding rails 2 9 , and the two sliding rails 9 are T-shaped.

Through the limited sliding connection between the mounting seat 8 and the second sliding rail 9, when the mounting seat 8 moves on the second sliding rail 9, the connecting block one 11 on the mounting seat 8 can pull the rope, and the connecting block two 17 on the other end of the rope can be pulled. For pulling, by setting the second sliding rail 9 to be T-shaped, it can prevent the mounting base 8 from being separated from the second sliding rail 9 due to excessive pulling force and causing damage to the device body.

Two mounting plates 15 are symmetrically arranged on the upper surface of the mounting seat 8. The surfaces of the two mounting plates 15 are provided with through holes and are rotatably connected with the screw rods 25 through the through holes. The motor 16 is fixedly mounted on one end of the mounting plate 15 away from the base 2 , and the output shaft of the motor 16 is fixedly connected with the screw rod 25 .

By controlling the rotation of the motor 16, the screw 25 fixedly connected to the output shaft of the motor 16 can be rotated. When the screw 25 rotates, the bearing platform 10 is provided with a threaded hole and is screwed with the screw 25 through the threaded hole, and is connected to the sliding rail 29. With the cooperation of the two, the bearing platform 10 can be moved on the sliding rail 2 9, and the connecting block 2 17 on the support column 1 can be pulled by the rope, so that the force of the support column 1 can be more stable.

Two sets of electric push rods 12 are symmetrically arranged on both sides of the load-bearing platform 10 .

By controlling the telescoping of the electric push rod 12, when the telescopic end of the electric push rod 12 pushes the push plate 14 to contact the load on the mounting seat 8, the load can be fixed, preventing the mounting seat 8 from moving on the mounting seat 8. Due to the shaking of the load, it will slide down and cause damage to the device body.

Working principle: The suspension crane anti-overturning equipment, before use, fix the fixed seat 1 3 on the base 2 by bolts, place the fixed seat 2 5 on the sliding rail 1 4, and push the fixed seat 5 on the sliding rail 1 by pushing the fixed seat 2 5 on the sliding rail 1. The position of the protection mechanism is adjusted by limited sliding on the 4, and then the fixing base 2 5 and the base 2 are fixed by bolts.

Then support the support block 7 manually, adjust the support block 7 by setting the adjustment mechanism, and set the hydraulic cylinder 2 13, when the telescopic end of the hydraulic cylinder 2 13 moves upward, the movable shaft 24 can be moved on the limit plate 19. The vertical upward movement is carried out in the limit slot of the locus, and the end of the movable shaft 24 away from the support block 7 can be moved vertically upward by the upward movement of the limit plate 19 in the vertical direction. Adjusting the contact position between the support block 7 and the support column 1 can be adjusted adaptively according to the height of the support column 1 .

When the telescopic head of the control hydraulic cylinder 1 20 moves to the side away from the fixed block 2 21, it can make close contact with the outer contour of the support block 7 and the support column 1, and support the support column 1, and vice versa. The support block 7 that is in close contact with the block 7 is separated from the support column 1. When the telescopic head of the control hydraulic cylinder one 20 moves and expands to the side away from the fixed block two 21, the support block 7 is separated from the support column 1. By setting the hydraulic cylinder one 20 The support block 7 can be controlled to be separated from the support column 1 or be in contact with each other to support both sides of the support column 1 to prevent the support column 1 from tipping over.

By placing the load on the mounting seat 8 and controlling the telescopic end of the electric push rod 12, when the telescopic end of the electric push rod 12 pushes the push plate 14 to contact the load on the mounting seat 8, the load can be fixed to prevent the installation When the seat 8 is moving, the load on the mounting seat 8 shakes, which causes the device body to slip and cause damage, and the connecting block one 11 on the mounting seat 8 is connected with the connecting block two 17 through the rope. By controlling the motor 16 The rotation can make the screw 25 fixedly connected with the output shaft of the motor 16 to rotate. When the screw 25 rotates, the bearing platform 10 is provided with a threaded hole and is screwed with the screw 25 through the threaded hole, and under the cooperation of the sliding rail 29, The bearing platform 10 can be moved on the sliding rail 2 9, and the connecting block 2 17 on the support column 1 can be pulled by the rope, so that when the support column 1 lifts the object, the support column 1 can be more stressed. Stable to prevent the support column 1 from tipping over.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. An anti-overturning device for a suspension crane, comprising a base (2) and a support column (1) positioned on the base (2), characterized in that: the upper surface of the support column (1) is symmetrically provided with two sliding rails One (4), the two sliding rails one (4) are slidably connected to the upper position with a fixed seat one (3), the fixed seat one (3) is fixedly connected to the support column (1) by bolts, and the base ( 2) There is a protection mechanism to prevent the support column (1) from tipping over; The protection mechanism includes two fixed seats (5) symmetrically arranged on the base (2) on both sides of the support column (1), and two fixed seats (5) are respectively provided with a fixed block one (6). ), two limit plates (19) are symmetrically arranged on opposite sides of the two fixed blocks one (6) close to the support column (1), and limit slots are provided on the surfaces of the two limit plates (19). A support rod (18) is connected in a limited and slidable manner through the limit groove, and a support block (7) is provided at the end of the support rod (18) away from the limit plate (19), and the support block (7) is provided with a support block (7). A groove is adapted to the outer contour of the support column (1), and the groove on the support block (7) is in contact with the outer contour of the support column (1). 2. The anti-overturning device for a suspension crane according to claim 1, characterized in that: the lower surfaces of the two fixed bases (5) are provided with sliding grooves and are limited by the sliding grooves and the first sliding rail (4). The upper surface of the support column (1) is provided with no less than ten sets of threaded holes, and the four corners of the upper surface of the fixed seat two (5) are provided with threaded holes that cooperate with the support column (1). The second fixed seat (5) is fixedly connected with the support column (1) by means of bolts. 3. The anti-overturning device for a suspension crane according to claim 2, characterized in that: the first fixing block (6) is provided with an adjustment mechanism for controlling the support block (7), and the adjustment mechanism includes a fixed The second block (21) is fixedly connected to the upper surface of the block one (6), the second block (21) is movably connected with a hydraulic cylinder (20) through a plug, and the telescopic end of the hydraulic cylinder (20) is fixed A second connector (23) is connected, the support rod (18) is provided with a first connector (22), and the second connector (23) and the first connector (22) are movably connected through a plug. 4. The anti-overturning device for a suspended crane according to claim 3, wherein the adjustment mechanism further comprises a second hydraulic cylinder, the upper surface of which is located between the two limit plates (19) of the second fixed seat (5). (13), one end of the support rod (18) away from the support block (7) is provided with a through slot and a movable shaft (24) is rotatably connected through the through slot. The telescopic end of the second hydraulic cylinder (13) is connected to the movable shaft (24). The shaft (24) is movably connected, and the support rod (18) is connected with a limit slot on the surface of the limit plate (19) through the movable shaft (24) to limit the sliding connection. 5. The anti-overturning device for a suspended crane according to claim 1, wherein a mounting seat (8) is fixedly connected to the side of the base (2) close to the support column (1), and the mounting seat (8) ) is provided with a load-bearing platform (10) for storing load-bearing objects, the upper surface of the load-bearing platform (10) is symmetrically provided with two connection blocks one (11), and the support column (1) is provided with two connection blocks. One (11) two connecting blocks (17) that cooperate with each other, the surfaces of the connecting block two (17) and the connecting block one (11) are provided with through holes for fixing ropes. 6. The anti-overturning device for a suspended crane according to claim 5, characterized in that: two sliding rails (9) are symmetrically arranged on the upper surface of the mounting base (8); The lower surface is provided with two limiting grooves for limiting sliding with the second sliding rails (9), and the two sliding rails (9) are T-shaped. 7 . The anti-overturning device for a suspended crane according to claim 6 , wherein two mounting plates ( 15 ) are symmetrically arranged on the upper surface of the mounting base ( 8 ), and the surfaces of the two mounting plates ( 15 ) are symmetrical. 8 . A through hole is provided and is rotatably connected with the screw (25) through the through hole, the bearing platform (10) is provided with a threaded hole and is screwed with the screw (25) through the threaded hole, and the mounting plate (15) is far away from A motor (16) is fixedly mounted on one end of the base (2), and the output shaft of the motor (16) is fixedly connected with the screw rod (25). 8 . The anti-overturning device for a suspension crane according to claim 5 , wherein two sets of electric push rods ( 12 ) are symmetrically arranged on both sides of the load-bearing platform ( 10 ), and two sets of the electric push rods ( 12 ). ) The telescopic end penetrates through the bearing platform (10) and is fixedly connected with two sets of push plates (14).

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