Cast pipe carrying crane

Abstract

The utility model discloses a cast pipe carrying crane, which relates to the technical field of cranes and comprises a lifting appliance placing platform and two bases, a positioning component and a limiting component are respectively mounted on the lifting appliance placing platform, and the positioning component comprises a positioning placing ring welded on the inner bottom wall of the lifting appliance placing platform. A mounting seat is welded to the inner wall of the positioning placement ring, and a rotating rod is fixedly arranged on the mounting seat; by arranging a positioning placing ring, a carried cast pipe can be conveniently positioned and placed, two first electric telescopic rods drive two limiting seats to move forwards until the limiting seats abut against the outer wall of the cast pipe, at the moment, a sponge pad connected to a connecting rod abuts against the lower end of the cast pipe, a second electric telescopic rod drives a limiting block and the sponge pad to extend downwards, and the cast pipe can be conveniently placed. By arranging the left limiting assembly and the right limiting assembly which are separated from each other, the position of the cast pipe can be positioned and fixed more firmly, and potential safety hazards caused by falling of the cast pipe are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a cast pipe transporting crane. Background Art

[0002] Crane refers to a multi-action lifting machine that can lift and carry heavy objects vertically and horizontally within a certain range. It is also called overhead crane, overhead crane, and crane. Some lifting equipment has the working characteristic of intermittent movement, that is, the corresponding mechanisms of taking materials, moving, unloading, etc. work alternately in one working cycle. The development and use of cranes in the market are becoming more and more extensive.

[0003] At present, in the process of producing cast pipes, the cast pipes need to be transported between various working procedures. The existing method of transporting cast pipes is usually to set multiple sets of magnetic suction devices on the lifting device, and the cast pipes are adsorbed and fixed by the multiple sets of magnetic suction devices, and then lifted and transported. The position of the cast pipe is not positioned and fixed, because the shaking of the wire rope will cause the lifting device to shake, which will reduce the stability of the cast pipe during transportation, and there is a safety hazard of the cast pipe falling off. Utility Model Content

[0004] The utility model aims to provide a cast pipe handling crane to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cast pipe handling crane, comprising a sling placement platform and two bases, a positioning assembly and a limit assembly are respectively installed on the sling placement platform, the positioning assembly comprises a positioning placement ring welded to the inner bottom wall of the sling placement platform, a mounting seat is welded to the inner wall of the positioning placement ring, a rotating rod is fixed on the mounting seat, and an auxiliary pulley is rotatably connected to the rod body of the rotating rod;

[0006] The limiting assembly includes a first electric telescopic rod installed on the inner walls on both sides of the sling placement platform, the telescopic ends of the two first electric telescopic rods are welded with limiting seats, the inner bottom wall of the limiting seat is welded with a connecting rod, the limiting seat is installed with a second electric telescopic rod, and the telescopic end of the second electric telescopic rod is fixed with a limiting block.

[0007] Preferably, load-bearing columns are welded to the upper surfaces of the two bases, connecting blocks are fixedly connected to the outer walls on both sides of the base, supporting diagonal rods are welded between the two connecting blocks and the two side walls of the load-bearing columns, and counterweight balls are installed on the supporting diagonal rods.

[0008] Preferably, connecting seats are welded to the upper surfaces of the two load-bearing columns, a rotating shaft is rotatably connected between the two connecting seats, two groups of baffles are welded on the shaft body of the rotating shaft, and a lifting assembly is arranged on the shaft body of the rotating shaft.

[0009] Preferably, the lifting assembly includes two groups of steel wire ropes arranged on the shaft body of the rotating shaft, the two groups of steel wire ropes are respectively arranged between two groups of baffle plates, the lower ends of the two groups of steel wire ropes are fixedly connected with connecting balls, connecting steel ropes are installed on the two connecting balls, and the other ends of the two groups of connecting steel ropes are fixedly connected to the upper surface of the sling placement platform.

[0010] Preferably, universal wheels with brakes are installed on the lower surfaces of the base and the connecting block, and handrails are welded to the outer walls on both sides of the load-bearing column.

[0011] Preferably, a sponge pad is fixedly provided on the upper surface of the connecting rod and the lower surface of the limiting block.

[0012] Preferably, a controller is installed on one side outer wall of the load-bearing column, a motor is installed on the outer wall of the connecting seat, the output end of the motor is fixedly connected to the input end of the rotating shaft, and the motor is electrically connected to the controller.

[0013] Preferably, a rubber pad is embedded on the auxiliary pulley. Beneficial Effects

[0014] The utility model provides a cast pipe handling crane, which has the following beneficial effects:

[0015] 1. The cast pipe handling crane is convenient for positioning and placing the cast pipe to be transported by providing a positioning and placing ring. The two first electric telescopic rods drive the two limit seats to move forward until they abut against the outer wall of the cast pipe. At this time, the sponge pad connected to the connecting rod abuts against the lower end of the cast pipe. The second electric telescopic rod drives the limit block and the sponge pad to extend downward until they abut against the upper end of the cast pipe. By providing two sets of spaced left and right limit assemblies, the position of the cast pipe can be more firmly positioned and fixed to avoid the cast pipe falling off and causing safety hazards.

[0016] 2. The pipe handling crane increases the support range of the base by setting the connection block, the supporting diagonal rod and the counterweight ball, thereby effectively enhancing the stability of the device during use. The motor is turned on to drive the rotating shaft to rotate forward or reverse, so that the two sets of steel wire ropes extend downward or retract upward, thereby driving the lifting device placement platform to move downward or upward, which is convenient for lifting and handling the pipes placed on the lifting device placement platform. By setting two sets of connecting steel ropes, the stability of the device during lifting is further increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a three-dimensional schematic diagram Figure 1 ;

[0018] Figure 2 The utility model is a three-dimensional schematic diagram Figure 2 ;

[0019] Figure 3 for Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 4 for Figure 2 Enlarged structural diagram at B in the middle.

[0021] In the figure: 1. sling placement platform; 2. base; 3. positioning assembly; 301. positioning placement ring; 302. mounting seat; 303. rotating rod; 304. auxiliary pulley; 4. limiting assembly; 401. first electric telescopic rod; 402. limiting seat; 403. connecting rod; 404. second electric telescopic rod; 405. limiting block; 5. load-bearing column; 6. connecting block; 7. supporting diagonal rod; 8. counterweight ball; 9. connecting seat; 10. rotating shaft; 11. baffle plate; 12. lifting assembly; 1201. steel wire rope; 1202. connecting ball; 1203. connecting steel rope; 13. universal wheel with brake; 14. handrail; 15. sponge pad; 16. controller; 17. motor; 18. rubber pad. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4The utility model provides a technical solution: a cast pipe handling crane, comprising a sling placement platform 1 and two bases 2, a positioning assembly 3 and a limiting assembly 4 are respectively installed on the sling placement platform 1, the positioning assembly 3 comprises a positioning placement ring 301 welded to the inner bottom wall of the sling placement platform 1, a mounting seat 302 is welded to the inner wall of the positioning placement ring 301, a rotating rod 303 is fixed to the mounting seat 302, an auxiliary pulley 304 is rotatably connected to the rod body of the rotating rod 303, and a rubber pad 18 is embedded on the auxiliary pulley 304, the limiting assembly 4 comprises a first electric telescopic rod 401 installed on the inner walls of both sides of the sling placement platform 1, the telescopic ends of the two first electric telescopic rods 401 are welded to the limiting seats 402, the inner bottom wall of the limiting seat 402 is welded with a connecting rod 403, a second electric telescopic rod 404 is installed on the limiting seat 402, and the second electric telescopic rod 404 is installed on the limiting seat 402. A limit block 405 is fixedly provided at the telescopic end of the retracting rod 404, and a sponge pad 15 is fixedly provided on the upper surface of the connecting rod 403 and the lower surface of the limit block 405. By setting the positioning and placement ring 301, it is convenient to position and place the transported cast pipe, and by setting the auxiliary pulley 304, it is convenient to load and unload the cast pipe, thereby increasing the convenience of the device, opening the two first electric telescopic rods 401, driving the two limit seats 402 to move forward until they abut against the outer wall of the cast pipe. At this time, the sponge pad 15 connected to the connecting rod 403 abuts against the lower end of the cast pipe, opening the second electric telescopic rod 404, and then driving the limit block 405 and the sponge pad 15 to extend downward until they abut against the upper end of the cast pipe, and by setting two sets of left and right limit assemblies 4 separated from each other, the position of the cast pipe can be more firmly positioned and fixed to avoid the safety hazard caused by the cast pipe falling off.

[0024] Load-bearing columns 5 are welded to the upper surfaces of the two bases 2, and connecting blocks 6 are fixedly connected to the outer walls on both sides of the base 2. Support diagonal rods 7 are welded between the two connecting blocks 6 and the two side walls of the load-bearing columns 5, and counterweight balls 8 are installed on the support diagonal rods 7. By arranging the connecting blocks 6, the support diagonal rods 7 and the counterweight balls 8, the supporting range of the base 2 is increased, thereby effectively enhancing the stability of the device during use.

[0025] Universal wheels with brakes 13 are installed on the lower surfaces of the base 2 and the connecting block 6, and handrails 14 are welded to the outer walls of both sides of the load-bearing column 5. By providing universal wheels with brakes 13 and handrails 14, it is easy to move the device, thereby completing the transportation of the cast pipe.

[0026] The upper surfaces of the two load-bearing columns 5 are welded with connecting seats 9, a rotating shaft 10 is rotatably connected between the two connecting seats 9, two groups of baffle plates 11 are welded on the shaft body of the rotating shaft 10, a lifting assembly 12 is arranged on the shaft body of the rotating shaft 10, a controller 16 is installed on the outer wall of one side of the load-bearing column 5, a motor 17 is installed on the outer wall of the connecting seat 9, the output end of the motor 17 is fixedly connected to the input end of the rotating shaft 10, the motor 17 is electrically connected to the controller 16, the lifting assembly 12 includes two groups of steel wire ropes 1201 arranged on the shaft body of the rotating shaft 10, the two groups of steel wire ropes 1201 are respectively arranged between the two groups of baffle plates 11, and the two groups of The lower ends of the steel wire ropes 1201 are fixedly connected to connecting balls 1202, and connecting steel ropes 1203 are installed on the two connecting balls 1202. The other ends of the two groups of connecting steel ropes 1203 are fixedly connected to the upper surface of the sling placement platform 1. The motor 17 is turned on by the controller 16, which drives the rotating shaft 10 to rotate forward or reverse, so that the two groups of steel wire ropes 1201 extend downward or shrink upward, thereby driving the sling placement platform 1 to move downward or upward, which is convenient for lifting and transporting the cast pipes placed on the sling placement platform 1. By setting two groups of connecting steel ropes 1203, the stability of the device during lifting is further increased.

[0027] Working principle: When in use, the support range of the base 2 is increased by setting the connecting block 6, the supporting inclined rod 7 and the counterweight ball 8, thereby effectively enhancing the stability of the device when in use. The cast pipe is placed on the positioning and placement ring 301, which is convenient for positioning and placing the transported cast pipe. By setting the auxiliary pulley 304, it is convenient to load and unload the cast pipe, thereby increasing the convenience of the device. The two first electric telescopic rods 401 are turned on, and the two limit seats 402 are driven to move forward until they abut against the outer wall of the cast pipe. At this time, the sponge pad 15 connected to the connecting rod 403 abuts against the lower end of the cast pipe. The second electric telescopic rod 404 is turned on, thereby driving the limit block 405 and the sponge pad 15 to extend downward , until it abuts against the upper end of the cast pipe. By setting two sets of left and right limit assemblies 4 separated from each other, the position of the cast pipe can be more firmly positioned and fixed to avoid the cast pipe falling off and causing safety hazards. The controller 16 controls the start of the motor 17, which drives the rotating shaft 10 to rotate forward or reverse, so that the two sets of steel wire ropes 1201 extend downward or shrink upward, thereby driving the sling placement platform 1 to move downward or upward, which is convenient for lifting and transporting the cast pipe placed on the sling placement platform 1. By setting two sets of connecting steel ropes 1203, the stability of the device during lifting is further increased. By setting universal wheels 13 with brakes and handrails 14, it is convenient to move the device, thereby completing the transportation of the cast pipe.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cast pipe handling crane, comprising a sling placement platform (1) and two bases (2), characterized in that: A positioning assembly (3) and a limiting assembly (4) are respectively installed on the sling placement platform (1), the positioning assembly (3) comprising a positioning placement ring (301) welded to the inner bottom wall of the sling placement platform (1), a mounting seat (302) is welded to the inner wall of the positioning placement ring (301), a rotating rod (303) is fixedly arranged on the mounting seat (302), and an auxiliary pulley (304) is rotatably connected to the rod body of the rotating rod (303); The limiting assembly (4) comprises a first electric telescopic rod (401) installed on the inner walls of both sides of the sling placement platform (1), the telescopic ends of the two first electric telescopic rods (401) are welded with a limiting seat (402), the inner bottom wall of the limiting seat (402) is welded with a connecting rod (403), the limiting seat (402) is installed with a second electric telescopic rod (404), and the telescopic end of the second electric telescopic rod (404) is fixed with a limiting block (405).

2. A cast pipe handling crane according to claim 1, characterized in that: The upper surfaces of the two bases (2) are welded with load-bearing columns (5), the outer walls on both sides of the base (2) are fixedly connected with connecting blocks (6), and support diagonal rods (7) are welded between the two connecting blocks (6) and the two side walls of the load-bearing columns (5), and the support diagonal rods (7) are installed with counterweight balls (8).

3. A cast pipe handling crane according to claim 2, characterized in that: A connecting seat (9) is welded to the upper surface of the two load-bearing columns (5), a rotating shaft (10) is rotatably connected between the two connecting seats (9), two groups of baffle plates (11) are welded to the shaft body of the rotating shaft (10), and a lifting assembly (12) is arranged on the shaft body of the rotating shaft (10).

4. A cast pipe handling crane according to claim 3, characterized in that: The lifting assembly (12) comprises two groups of steel wire ropes (1201) arranged on the shaft body of the rotating shaft (10), the two groups of steel wire ropes (1201) are respectively arranged between two groups of baffle plates (11), the lower ends of the two groups of steel wire ropes (1201) are fixedly connected to connecting balls (1202), the two connecting balls (1202) are each installed with a connecting steel rope (1203), and the other ends of the two groups of connecting steel ropes (1203) are fixedly connected to the upper surface of the lifting device placement platform (1).

5. The cast pipe handling crane according to claim 2, characterized in that: Universal wheels (13) with brakes are installed on the lower surfaces of the base (2) and the connecting block (6), and handrails (14) are welded to the outer walls of both sides of the load-bearing column (5).

6. The cast pipe handling crane according to claim 1, characterized in that: The upper surface of the connecting rod (403) and the lower surface of the limiting block (405) are both fixedly provided with a sponge pad (15).

7. The cast pipe handling crane according to claim 3, characterized in that: A controller (16) is installed on an outer wall of one side of the load-bearing column (5), and a motor (17) is installed on an outer wall of the connecting seat (9). The output end of the motor (17) is fixedly connected to the input end of the rotating shaft (10), and the motor (17) is electrically connected to the controller (16).

8. The cast pipe handling crane according to claim 1, characterized in that: A rubber pad (18) is embedded on the auxiliary pulley (304).

Images