Explosion-proof electric single-beam suspension crane

Abstract

The utility model discloses an anti-explosion electric single-beam suspension crane, which relates to the technical field of cranes and particularly comprises a base, a fixed block is fixedly connected above the base, a lifting groove is formed in one side of the fixed block, a first motor is fixedly connected above the fixed block, and a second motor is fixedly connected above the first motor. A first motor is arranged in the lifting groove, an output shaft of the first motor is fixedly connected with a threaded rod rotationally connected with the interior of the lifting groove, a hanging beam is slidably connected with the interior of the lifting groove, a threaded hole matched with the threaded rod is formed in the upper portion of the hanging beam, and a fixing groove is formed in one side of the hanging beam. According to the anti-explosion electric single-beam suspension crane, through cooperative arrangement of the first motor, the threaded rod, the suspension beam, the hydraulic rod and the positioning block, the height of the suspension beam can be changed through the first motor in the using process, so that the effect of adjusting the hoisting height of the crane to a certain degree is achieved; the purpose of improving the practicability of the crane is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to an explosion-proof electric single-beam suspension crane. Background Art

[0002] With the rapid development of economic construction, construction machinery has been widely used in the fields of construction, mining, etc. For example, cranes have become an indispensable lifting tool in the fields of freight, construction, mining, etc. In some special occasions such as those full of flammable dust, explosion-proof electric single-beam suspension cranes will be equipped. Explosion-proof electric single-beam suspension cranes are widely used in the market. Single-beam bridge cranes are lifting equipment that are horizontally mounted above workshops, warehouses and material yards for lifting materials. Because its two ends are located on tall concrete columns or metal supports, it is shaped like a bridge. The bridge of the single-beam bridge crane runs longitudinally along the tracks laid on the elevated structures on both sides, and can make full use of the space under the bridge to lift materials without being hindered by ground equipment. It is the most widely used and largest type of lifting machinery. Explosion-proof single-beam cranes are lifting devices used to carry heavier goods, and have explosion-proof functions to avoid the fall of goods due to machine failures during transportation and prevent accidents.

[0003] Most of the existing explosion-proof electric single-beam suspension cranes have fixed corresponding heights when in use. It is difficult to adjust the height of the explosion-proof single-beam suspension crane according to the needs of the user. The use effect is not very ideal. In addition, if the operator is not careful when using some explosion-proof electric single-beam suspension cranes, the electric hoist will collide with the bracket, causing a certain degree of damage to the bracket and the electric hoist. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an explosion-proof electric single-beam suspension crane, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: an explosion-proof electric single-beam suspension crane, comprising a base, a fixed block fixedly connected to the top of the base, a lifting groove provided on one side of the fixed block, a first motor fixedly connected to the top of the fixed block, a threaded rod fixedly connected to the lifting groove for rotation with the output shaft of the first motor, a suspension beam slidably connected to the inside of the lifting groove, a threaded hole matching the threaded rod provided on the top of the suspension beam, a fixed groove provided on one side of the suspension beam, a hydraulic rod fixedly connected to the inside of the fixed groove, a positioning block fixedly connected to the fixed groove for sliding, and a positioning groove matching the positioning block provided on one side of the lifting groove.

[0008] Optionally, a limiting groove is opened on one side of the positioning block, a first spring is fixedly connected inside the limiting groove, a limiting block slidably connected to the limiting groove is fixedly connected to one side of the first spring, a stop switch is arranged inside the limiting groove, and the stop switch is electrically connected to the hydraulic rod through a wire.

[0009] Optionally, a walking trolley is provided below the suspension beam, an explosion-proof motor is provided below the walking trolley, a traction rope is provided on one side of the explosion-proof motor, and a connecting plate is fixedly connected to one side of the walking trolley.

[0010] Optionally, a fixed plate is fixedly connected to the bottom of the suspension beam, one side of the fixed plate abuts against one side of the fixed block, one side of the fixed plate is fixedly connected to a second spring, and one side of the second spring is fixedly connected to a buffer plate slidably connected to the bottom of the suspension beam.

[0011] Optionally, an alarm switch is fixedly connected to the bottom of the suspension beam, an alarm is fixedly connected to one side of the fixed block, and the alarm switch is electrically connected to the alarm via a wire.

[0012] Optionally, a plurality of control switches are provided on one side of the fixed block, and the plurality of control switches are electrically connected to the first motor, the hydraulic rod, the traveling trolley and the explosion-proof motor through wires.

[0013] (III) Beneficial effects

[0014] The utility model provides an explosion-proof electric single-beam suspension crane, which has the following beneficial effects:

[0015] 1. This explosion-proof electric single-beam suspension crane, through the coordinated arrangement of a first motor, a threaded rod, a suspension beam, a hydraulic rod, and a positioning block, can change the height of the suspension beam through the first motor during use, thereby playing a role in adjusting the lifting height of the crane to a certain extent, thereby achieving the purpose of increasing the practicality of the crane.

[0016] 2. This explosion-proof electric single-beam suspension crane, through the coordinated arrangement of a fixed plate, a second spring, a buffer plate, an alarm switch, and an alarm, can sound an alarm when the trolley is about to touch the fixed block during use, thereby reminding the staff to pay attention to the operation and achieving the purpose of avoiding damage to the crane. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the utility model in front view section;

[0019] Figure 3 It is a schematic diagram of the structure of the fixed block part of the utility model in a top view;

[0020] Figure 4 For this utility model Figure 3 Schematic diagram of the structure enlarged at point A in the middle.

[0021] In the figure: 1. base; 2. fixing block; 3. first motor; 4. threaded rod; 5. suspension beam; 6. hydraulic rod; 7. positioning block; 8. first spring; 9. limit block; 10. stop switch; 11. walking trolley; 12. explosion-proof motor; 13. connecting plate; 14. fixing plate; 15. second spring; 16. buffer plate; 17. alarm switch; 18. alarm. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Example 1

[0024] See also Figures 1 to 4The utility model provides a technical solution: an explosion-proof electric single-beam suspension crane, comprising a base 1, a fixed block 2 is fixedly connected to the top of the base 1, a lifting groove is provided on one side of the fixed block 2, a first motor 3 is fixedly connected to the top of the fixed block 2, a threaded rod 4 rotatably connected to the lifting groove is fixedly connected to the output shaft of the first motor 3, a suspension beam 5 is slidably connected to the inside of the lifting groove, a threaded hole matching the threaded rod 4 is provided on the top of the suspension beam 5, a fixed groove is provided on one side of the suspension beam 5, a hydraulic rod 6 is fixedly connected to the inside of the fixed groove, and one end of the hydraulic rod 6 is fixed A positioning block 7 is connected to the fixed groove for sliding connection, a positioning groove matched with the positioning block 7 is opened on one side of the lifting groove, a limiting groove is opened on one side of the positioning block 7, a first spring 8 is fixedly connected to the inside of the limiting groove, a limiting block 9 slidably connected to the limiting groove is fixedly connected to one side of the first spring 8, a stop switch 10 is arranged inside the limiting groove, the stop switch 10 is electrically connected to the hydraulic rod 6 through a wire, a plurality of control switches are arranged on one side of the fixed block 2, and the plurality of control switches are electrically connected to the first motor 3, the hydraulic rod 6, the walking trolley 11 and the explosion-proof motor 12 through wires.

[0025] According to the needs of use, first control the hydraulic rod 6 to retract and retract the positioning block 7, then start the first motor 3, the first motor 3 drives the threaded rod 4 to rotate, and the threaded rod 4 drives the suspension beam 5 to rise and fall to a suitable position through the thread, and then start the hydraulic rod 6 to extend, and the hydraulic rod 6 drives the positioning block 7 into the positioning groove. When the limit block 9 squeezes the first spring 8 and touches the stop switch 10, the hydraulic rod 6 stops extending. At this time, the positioning block 7 is just located in the positioning groove to provide support for the suspension beam 5.

[0026] Example 2

[0027] See also Figure 2 The utility model provides a technical solution: an explosion-proof electric single-beam suspension crane, a walking trolley 11 is arranged below the suspension beam 5, an explosion-proof motor 12 is arranged below the walking trolley 11, a traction rope is arranged on one side of the explosion-proof motor 12, a connecting plate 13 is fixedly connected to one side of the walking trolley 11, a fixing plate 14 is fixedly connected to the bottom of the suspension beam 5, one side of the fixing plate 14 abuts against one side of the fixing block 2, a second spring 15 is fixedly connected to one side of the fixing plate 14, a buffer plate 16 slidably connected to the bottom of the suspension beam 5 is fixedly connected to one side of the second spring 15, an alarm switch 17 is fixedly connected to the bottom of the suspension beam 5, an alarm 18 is fixedly connected to one side of the fixed block 2, and the alarm switch 17 is electrically connected to the alarm 18 through a wire.

[0028] When in use, the traveling trolley 11 moves under the suspension beam 5. When the traveling trolley 11 moves to the side close to the fixed block 2, the connecting plate 13 on one side of the traveling trolley 11 touches the buffer plate 16 and squeezes the second spring 15. When the buffer plate 16 touches the alarm switch 17, the alarm switch 17 activates the alarm 18 to sound an alarm, reminding the operator to pay attention and avoid collision between the traveling trolley 11 and the fixed block 2.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An explosion-proof electric single-beam suspension crane, comprising a base (1), characterized in that: A fixing block (2) is fixedly connected to the top of the base (1), a lifting slot is provided on one side of the fixing block (2), a first motor (3) is fixedly connected to the top of the fixing block (2), a threaded rod (4) rotatably connected to the lifting slot is fixedly connected to the output shaft of the first motor (3), a suspension beam (5) is slidably connected to the inside of the lifting slot, a threaded hole matching the threaded rod (4) is provided on the top of the suspension beam (5), a fixing slot is provided on one side of the suspension beam (5), a hydraulic rod (6) is fixedly connected to the inside of the fixing slot, one end of the hydraulic rod (6) is fixedly connected to a positioning block (7) slidably connected to the fixing slot, and a positioning slot matching the positioning block (7) is provided on one side of the lifting slot.

2. The explosion-proof electric single-beam suspension crane according to claim 1, characterized in that: A limiting groove is provided on one side of the positioning block (7), a first spring (8) is fixedly connected inside the limiting groove, a limiting block (9) slidably connected to the limiting groove is fixedly connected on one side of the first spring (8), a stop switch (10) is provided inside the limiting groove, and the stop switch (10) is electrically connected to the hydraulic rod (6) via a wire.

3. The explosion-proof electric single-beam suspension crane according to claim 1, characterized in that: A walking trolley (11) is arranged below the suspension beam (5), an explosion-proof motor (12) is arranged below the walking trolley (11), a traction rope is arranged on one side of the explosion-proof motor (12), and a connecting plate (13) is fixedly connected to one side of the walking trolley (11).

4. The explosion-proof electric single-beam suspension crane according to claim 1, characterized in that: A fixing plate (14) is fixedly connected to the bottom of the suspension beam (5), one side of the fixing plate (14) abuts against one side of the fixing block (2), one side of the fixing plate (14) is fixedly connected to a second spring (15), and one side of the second spring (15) is fixedly connected to a buffer plate (16) slidably connected to the bottom of the suspension beam (5).

5. The explosion-proof electric single-beam suspension crane according to claim 1, characterized in that: An alarm switch (17) is fixedly connected below the suspension beam (5), an alarm (18) is fixedly connected to one side of the fixed block (2), and the alarm switch (17) is electrically connected to the alarm (18) via a wire.

6. The explosion-proof electric single-beam suspension crane according to claim 3, characterized in that: A plurality of control switches are provided on one side of the fixed block (2), and the plurality of control switches are electrically connected to the first motor (3), the hydraulic rod (6), the traveling trolley (11) and the explosion-proof motor (12) through wires.

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