Adjustable lifting tool

Abstract

The utility model relates to an adjustable hoisting tool, belongs to the technical field of hoisting tools, and solves the technical problems of long consumed time, low efficiency, larger abrasion to a motor, low safety coefficient of operation of workers and the like in the conventional motor hoisting process. According to the solution, the adjustable lifting tool comprises a cross beam, a first lifting ring, two first seamless pipes, two second seamless pipes, two third seamless pipes and two lead screws; the cross beam comprises a rectangular part and a trapezoidal part; a through hole is formed in the center of the trapezoidal part; the two first seamless pipes, the two second seamless pipes and the two third seamless pipes are symmetrically arranged on the cross beam from near to far along the center line of the rectangular part. The two lead screws are embedded in the two first seamless pipes or the two second seamless pipes or the two third seamless pipes, and the lead screws can slide up and down along the first seamless pipes or the second seamless pipes or the third seamless pipes. Compared with the prior art, the lifting device has the advantages of being suitable for lifting circulating pump motors of different specifications, simple in structure, rapid, efficient, high in safety coefficient and the like, and the abrasion degree of the motors is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting tools, and in particular relates to an adjustable lifting tool. Background Art

[0002] The production and actual use of circulating pump motors will more or less encounter the problem of hoisting motors. The existing motor hoisting is generally carried out manually or by lifting with a lifting chain and a wire rope. Manual handling is time-consuming and inefficient; when lifting with a lifting chain and a wire rope, the motor housing is greatly worn during the lifting process, which is easy to damage the motor heat sink, and the operation process is easy to cause great impact on the personal safety of workers, such as hitting feet, squeezing hands, and bumping. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art and solve the technical problems of the prior art hoisting of motors, such as long time consumption, low efficiency, large wear on the motors, and low safety factor for workers, the utility model provides an adjustable lifting tool.

[0004] The utility model is implemented through the following technical solutions.

[0005] The utility model provides an adjustable lifting tool, comprising a crossbeam, a first lifting ring, two first seamless tubes, two second seamless tubes, two third seamless tubes and two screw rods;

[0006] The crossbeam includes a rectangular portion and a trapezoidal portion, the trapezoidal portion is arranged at the middle end of the top of the rectangular portion, a through hole is arranged at the center of the trapezoidal portion, a first lifting ring is installed at the through hole, and the first lifting ring is used to connect a lifting chain;

[0007] The two first seamless tubes, the two second seamless tubes and the two third seamless tubes are symmetrically arranged on the crossbeam from near to far along the center line of the rectangular portion;

[0008] The two screw rods are embedded in the two first seamless tubes or the two second seamless tubes or the two third seamless tubes, and the screw rod can slide up and down along the first seamless tube or the second seamless tube or the third seamless tube; a screw rod nut is provided between the top end of the first seamless tube or the top end of the second seamless tube or the top end of the third seamless tube and the screw rod, and the bottom ends of the two screw rods are fixedly connected with an iron chain, and the bottom end of the iron chain is connected with a second lifting ring, and the second lifting ring is used to fixedly connect the circulating pump motor.

[0009] Furthermore, the crossbeam is a steel plate.

[0010] Furthermore, the first lifting ring and the second lifting ring are both U-shaped lifting rings.

[0011] Furthermore, a gasket is provided between the top end of the first seamless tube, the top end of the second seamless tube, or the top end of the third seamless tube and the screw nut.

[0012] Furthermore, the width between the two first seamless pipes is 50 cm, which is suitable for lifting a 45KW circulating pump motor.

[0013] Furthermore, the width between the two second seamless pipes is 75 cm, which is suitable for lifting 55KW and 75KW circulating pump motors.

[0014] Furthermore, the width dimension between the two third seamless pipes is 90 cm, which is suitable for lifting 90KW and 110KW circulating pump motors.

[0015] Furthermore, the length of the screw rod is 50 cm, and the strength of the screw rod is level 12.9.

[0016] The beneficial effects achieved by the utility model are as follows: the utility model selects a first seamless tube, a second seamless tube and a third seamless tube, the first seamless tube is suitable for lifting a 45KW circulating pump motor, the second seamless tube is suitable for lifting a 55KW, 75KW circulating pump motor, the third seamless tube is suitable for lifting a 90KW, 110KW circulating pump motor, and finally the lifting of circulating pump motors suitable for different specifications is achieved; a screw rod and a screw rod nut are selected, the screw rod can slide up and down along the first seamless tube or the second seamless tube or the third seamless tube according to the height dimensions of circulating pump motors of different specifications, thereby avoiding collisions on the top of the circulating pump motor, and finally the circulating pump motor can be freely rotated and laid flat for maintenance, thereby reducing the risk factor of workers' operations; in addition, the utility model has a simple structure, is fast and efficient.

[0017] Compared with the prior art, the utility model has the advantages of being suitable for lifting circulating pump motors of different specifications, reducing motor wear, having a simple structure, being fast and efficient, and having a high safety factor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] In the figure: 1, cross beam; 2, first lifting ring; 3, first seamless tube; 4, second seamless tube; 5, third seamless tube; 6, screw rod; 7, rectangular part; 8, trapezoidal part; 9, through hole; 10, screw rod nut; 11, iron chain; 12, second lifting ring; 13, gasket. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] like Figure 1 As shown, an adjustable lifting tool includes a crossbeam 1, a first lifting ring 2, two first seamless tubes 3, two second seamless tubes 4, two third seamless tubes 5 and two screw rods 6.

[0022] The cross beam 1 is a steel plate, and the design of the steel plate enhances the strength of the cross beam 1. The cross beam 1 includes a rectangular portion 7 and a trapezoidal portion 8, wherein the trapezoidal portion 8 is disposed at the middle end of the top of the rectangular portion 7, and a through hole 9 is disposed at the center of the trapezoidal portion 8, wherein a first lifting ring 2 is installed at the through hole 9, and the first lifting ring 2 is a U-shaped lifting ring, which is convenient for connecting a lifting chain. The first lifting ring 2 is used to connect a lifting chain, and a worker pulls up the lifting chain to pull up the first lifting ring 2, thereby driving the cross beam 1 to rise.

[0023] The two first seamless tubes 3, the two second seamless tubes 4 and the two third seamless tubes 5 are symmetrically arranged on the crossbeam 1 from near to far along the center line of the rectangular portion 7. The first seamless tube 3, the second seamless tube 4 and the third seamless tube 5 are all DN25 seamless tubes. The width dimension between the two first seamless tubes 3 is 50cm, which is suitable for lifting 45KW circulating pump motors. The width dimension between the two second seamless tubes 4 is 75cm, which is suitable for lifting 55KW and 75KW circulating pump motors. The width dimension between the two third seamless tubes 5 is 90cm, which is suitable for lifting 90KW and 110KW circulating pump motors. The arrangement of the first seamless tube 3, the second seamless tube 4 and the third seamless tube 5 ultimately achieves the lifting of circulating pump motors suitable for different specifications.

[0024] The two screw rods 6 are embedded in the two first seamless tubes 3 or the two second seamless tubes 4 or the two third seamless tubes 5, and the screw rods 6 can slide up and down along the first seamless tube 3 or the second seamless tube 4 or the third seamless tube 5, so that the screw rods 6 can slide up and down along the first seamless tube 3 or the second seamless tube 4 or the third seamless tube 5 according to the height size of the circulating pump motor of different specifications, thereby avoiding collision on the top of the circulating pump motor, and finally the circulating pump motor can be freely rotated and laid flat for maintenance, thereby reducing the risk factor of workers' operations. The length of the screw rod 6 is 50cm, and the strength of the screw rod 6 is 12.9 grade, so that there is enough strength to support the lifting of the circulating pump motor. A screw nut 10 is provided between the top of the first seamless tube 3 or the top of the second seamless tube 4 or the top of the third seamless tube 5 and the screw rod 6, and a gasket 13 is provided between the top of the first seamless tube 3 or the top of the second seamless tube 4 or the top of the third seamless tube 5 and the screw nut 10, and the setting of the gasket 13 can reduce the looseness between the screw nut 10 and the first seamless tube 3 or the second seamless tube 4 or the third seamless tube 5. The bottom ends of the two screw rods 6 are fixedly connected with iron chains 11, and the bottom ends of the iron chains 11 are connected with second lifting rings 12, which are used to fix the circulating pump motor. The second lifting rings 12 are all U-shaped lifting rings, which are convenient for connecting the circulating pump motor.

[0025] The working process of the utility model is as follows:

[0026] Lifting the circulating pump motor:

[0027] Select the first seamless tube 3, the second seamless tube 4 or the third seamless tube 5 according to the specifications of the circulating pump motor;

[0028] Place the circulating pump motor on the ground, the second lifting ring 12 is fixedly connected to the circulating pump motor, and the iron chain 11 is connected to the bottom end of the screw rod 6;

[0029] Insert the screw rod 6 into the first seamless tube 3 or the second seamless tube 4 or the third seamless tube 5, tighten the screw rod nut 10 according to the height size of the circulating pump motor, and fix the first lifting ring 2 to the lifting chain;

[0030] The worker pulls the lifting chain, thereby driving the first lifting ring 2 to rise and finally lifting the circulating pump motor.

[0031] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above implementation modes. The implementation modes can still be changed within the knowledge scope of ordinary technicians in the field. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable lifting tool, characterized in that: It comprises a crossbeam (1), a first hanging ring (2), two first seamless tubes (3), two second seamless tubes (4), two third seamless tubes (5) and two screw rods (6); The crossbeam (1) comprises a rectangular portion (7) and a trapezoidal portion (8), wherein the trapezoidal portion (8) is arranged at the middle end of the top of the rectangular portion (7), a through hole (9) is arranged at the center of the trapezoidal portion (8), a first lifting ring (2) is installed at the through hole (9), and the first lifting ring (2) is used to connect a lifting chain; The two first seamless tubes (3), the two second seamless tubes (4) and the two third seamless tubes (5) are symmetrically arranged on the crossbeam (1) from near to far along the center line of the rectangular portion (7); The two screw rods (6) are embedded in the two first seamless tubes (3) or the two second seamless tubes (4) or the two third seamless tubes (5), and the screw rods (6) can slide up and down along the first seamless tubes (3) or the second seamless tubes (4) or the third seamless tubes (5); a screw rod nut (10) is provided between the top of the first seamless tube (3) or the top of the second seamless tube (4) or the top of the third seamless tube (5) and the screw rod (6), and the bottom ends of the two screw rods (6) are fixedly connected with an iron chain (11), and the bottom end of the iron chain (11) is connected with a second lifting ring (12), and the second lifting ring (12) is used for fixedly connecting the circulating pump motor.

2. An adjustable lifting tool according to claim 1, characterized in that: The crossbeam (1) is a steel plate.

3. An adjustable lifting tool according to claim 1, characterized in that: The first lifting ring (2) and the second lifting ring (12) are both U-shaped lifting rings.

4. An adjustable lifting tool according to claim 1, characterized in that: A gasket (13) is provided between the top end of the first seamless tube (3) or the top end of the second seamless tube (4) or the top end of the third seamless tube (5) and the screw nut (10).

5. The adjustable lifting tool according to claim 1, characterized in that: The width between the two first seamless pipes (3) is 50 cm, which is suitable for lifting a 45KW circulating pump motor.

6. An adjustable lifting tool according to claim 1, characterized in that: The width between the two second seamless pipes (4) is 75 cm, which is suitable for lifting 55KW and 75KW circulating pump motors.

7. An adjustable lifting tool according to claim 1, characterized in that: The width between the two third seamless pipes (5) is 90 cm, which is suitable for lifting 90KW and 110KW circulating pump motors.

8. An adjustable lifting tool according to claim 1, characterized in that: The length of the screw rod (6) is 50 cm, and the strength of the screw rod (6) is grade 12.9.

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