Main beam of light and small crane

Abstract

The utility model belongs to the technical field of light and small cranes, and discloses a main beam of a light and small crane, which comprises a main beam body and a mounting frame, a sliding groove is arranged on the upper end face of the main beam body, a sliding block is slidably connected in the sliding groove, a mounting block is mounted on the upper end face of the sliding block, and a pair of first grooves is arranged on the bottom end face of the mounting block. A second groove is formed in the top of the pair of first grooves in the mounting block, a right-hand and left-hand threaded lead screw is rotationally connected into the second groove, a pair of threaded blocks are connected to the two ends of the right-hand and left-hand threaded lead screw in a threaded mode, the bottom ends of the pair of threaded blocks penetrate through the pair of first grooves correspondingly and are provided with mounting plates, and clamping blocks are mounted on the opposite sides of the lower ends of the pair of mounting plates correspondingly; the two sides of the mounting block are connected with a pair of anti-collision mechanisms through bolts, and a moving trolley is mounted at the lower end of the main beam body. According to the device, when the mobile vehicle moves on the main beam main body, the winch is effectively prevented from shaking along with the mobile vehicle, so that goods are effectively prevented from colliding with workers or other articles, and the workers are prevented from being injured or the goods are prevented from being damaged.

Description

Technical Field

[0001] The utility model belongs to the technical field of light and small cranes, and more specifically, relates to a main beam of a light and small crane. Background Art

[0002] A light crane is a type of lifting equipment designed specifically for handling smaller or lighter items. They are usually smaller and more flexible than large cranes and are suitable for environments with limited space.

[0003] The main beam of some light and small cranes nowadays is prone to shaking when transporting goods. The winch hung on the lower end of the mobile vehicle by a hook during the transportation of goods, which may cause the goods to hit the staff or other objects, causing injuries to the staff or damage to the goods.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a main beam of a light and small crane is provided, in order to achieve the purpose of having more practical value. Utility Model Content

[0005] In order to solve the above technical problems, the present invention provides a main beam of a light and small crane, which is achieved by the following specific technical means:

[0006] The cam is provided with a plurality of sliding grooves, the plurality of sliding grooves are provided with a plurality of sliding grooves, the plurality of sliding grooves are provided with a plurality of sliding grooves, and the plurality of sliding grooves are provided with a plurality of sliding grooves.

[0007] Furthermore, a motor is installed on one side of the mounting block, and one end of the forward and reverse threaded screw rod passes through one side of the mounting block and is connected to the output end of the motor.

[0008] Furthermore, the upper end surface of the main beam body is provided with a pair of limiting grooves on both sides of the slide groove.

[0009] Furthermore, a pair of limiting blocks are installed on the bottom end surface of the mounting block on both sides of the sliding block, and the limiting blocks are movably connected to the limiting grooves.

[0010] Furthermore, a rubber pad is installed on opposite sides of a pair of clamping blocks.

[0011] Furthermore, the anti-collision mechanism includes a mounting seat and a second rubber pad, and the second rubber pad is installed on one side of the mounting seat.

[0012] Furthermore, a support block is installed on the top of a pair of mounting frames, and opposite sides of the pair of support blocks are respectively connected to the two ends of the main beam body.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] By using the motor, forward and reverse threaded screws, threaded blocks, mounting plates and clamping blocks in coordination, the motor is started, the motor drives the forward and reverse threaded screws to rotate, the forward and reverse threaded screws drive a pair of threaded blocks to move toward the middle, the pair of threaded blocks drive a pair of mounting plates to move toward the middle, the pair of mounting plates drive a pair of clamping blocks to move toward the middle and clamp the winch, so that when the mobile vehicle moves on the main beam, the winch can be effectively prevented from shaking, and the cargo can be effectively prevented from hitting the staff or other objects, avoiding injuries to the staff or damage to the cargo.

[0015] By using the mounting seat and the second rubber pad in conjunction, when the mobile vehicle moves to one end of the main beam body, the second rubber pad will first collide with the support block, thereby being able to play a certain buffering and anti-collision role. When the anti-collision mechanism is damaged, the staff will unscrew the bolts to disassemble the mounting seat, and then install a new anti-collision mechanism according to the above steps, thereby achieving the effect of quickly and conveniently replacing the anti-collision mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model.

[0017] Figure 2 It is a side sectional schematic diagram of the present utility model.

[0018] Figure 3 This utility model Figure 1 A is an enlarged schematic diagram.

[0019] Figure 4 This utility model Figure 2 A magnified schematic diagram of B.

[0020] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0021] 1. Main beam body; 101. Slide groove; 102. Limiting groove; 2. Mounting frame; 201. Support block; 3. Mounting block; 301. Slider; 302. Groove 1; 303. Groove 2; 4. Forward and reverse threaded screw; 401. Threaded block; 5. Mounting plate; 6. Clamping block; 601. Rubber pad 1; 7. Motor; 8. Limiting block; 9. Anti-collision mechanism; 901. Mounting seat; 902. Rubber pad 2; 10. Mobile vehicle; 11. Winch. DETAILED DESCRIPTION

[0022] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0023] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0025] Example:

[0026] As attached Figure 1 To the attached Figure 4 As shown:

[0027] The utility model provides a main beam of a light and small crane, comprising a main beam body 1 and a mounting frame 2, a slide groove 101 is provided on the upper end surface of the main beam body 1, a slider 301 is slidably connected in the slide groove 101, a mounting block 3 is installed on the upper end surface of the slider 301, a pair of grooves 1 302 are provided on the bottom end surface of the mounting block 3, a groove 2 303 is provided on the top of the pair of grooves 1 302 in the mounting block 3, a forward and reverse threaded screw rod 4 is rotatably connected in the groove 2 303, a pair of threaded blocks 401 are threadedly connected at both ends of the forward and reverse threaded screw rod 4, the bottom ends of the pair of threaded blocks 401 respectively pass through the pair of grooves 1 302 and are installed with mounting plates 5, clamping blocks 6 are installed on opposite sides of the lower ends of the pair of mounting plates 5, a pair of anti-collision mechanisms 9 are connected to the two sides of the mounting block 3 by bolts, a moving vehicle 10 is installed at the lower end of the main beam body 1, and a winch 11 is connected to the lower end of the moving vehicle 10.

[0028] Among them, a motor 7 is installed on one side of the mounting block 3, and one end of the forward and reverse threaded screw rod 4 passes through one side of the mounting block 3 and is connected to the output end of the motor 7, and the motor 7 drives the forward and reverse threaded screw rod 4 to rotate.

[0029] The upper end surface of the main beam body 1 is provided with a pair of limiting grooves 102 on both sides of the sliding groove 101 .

[0030] Among them, a pair of limit blocks 8 are installed on both sides of the slider 301 on the bottom end surface of the mounting block 3. The limit blocks 8 are movably connected to the limit groove 102. When the mounting block 3 moves on the main beam body 1, the limit block 8 moves in the limit groove 102, which can activate the limiting function.

[0031] Among them, a rubber pad 601 is installed on the opposite side of a pair of clamping blocks 6. The rubber material is relatively soft and can avoid wear on the surface of the winch 11 due to excessive clamping force when the winch 11 is clamped and fixed.

[0032] The anti-collision mechanism 9 includes a mounting seat 901 and a second rubber pad 902 . The second rubber pad 902 is mounted on one side of the mounting seat 901 . The second rubber pad 902 can play a certain role in buffering and anti-collision.

[0033] Among them, a pair of mounting frames 2 are both equipped with support blocks 201 at their top ends, and opposite sides of the pair of support blocks 201 are respectively connected to the two ends of the main beam body 1 , so that the support blocks 201 can support the main beam body 1 .

[0034] The working principle of this embodiment is as follows:

[0035] Start the motor 7, the motor 7 drives the forward and reverse threaded screw 4 to rotate, the forward and reverse threaded screw 4 drives a pair of threaded blocks 401 to move toward the middle, the pair of threaded blocks 401 drives a pair of mounting plates 5 to move toward the middle, the pair of mounting plates 5 drives a pair of clamping blocks 6 to move toward the middle and clamp the winch 11, so that when the mobile vehicle 10 moves on the main beam body 1, it can effectively prevent the winch 11 from shaking, and thus can effectively prevent the cargo from hitting the staff or other objects, avoiding injury to the staff or damage to the cargo. When the mobile vehicle 10 moves to one end of the main beam body 1, the rubber pad 2 902 will first collide with the support block 201, thereby playing a certain buffering and anti-collision role. When the anti-collision mechanism 9 is damaged, the staff will unscrew the bolts to disassemble the mounting seat 901, and then install a new anti-collision mechanism 9 according to the above steps.

[0036] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A main beam for a light crane, comprising a main beam body (1) and a mounting frame (2), characterized in that: The upper end surface of the main beam body (1) is provided with a slide groove (101), a slider (301) is slidably connected in the slide groove (101), a mounting block (3) is installed on the upper end surface of the slider (301), a pair of grooves (302) are provided on the bottom end surface of the mounting block (3), a groove (303) is provided on the top of the pair of grooves (302) in the mounting block (3), a forward and reverse threaded screw rod (4) is rotatably connected in the groove (303), and the forward and reverse threaded screw rod ( 4) are threadedly connected to a pair of threaded blocks (401) at both ends, the bottom ends of the pair of threaded blocks (401) respectively penetrate a pair of grooves (302) and are installed with mounting plates (5), the lower ends of the pair of mounting plates (5) are respectively installed with clamping blocks (6) on the opposite sides, the two sides of the mounting blocks (3) are connected with a pair of anti-collision mechanisms (9) by bolts, the lower end of the main beam body (1) is installed with a moving vehicle (10), and the lower end of the moving vehicle (10) is connected with a winch (11).

2. The main beam of the light crane according to claim 1, characterized in that: A motor (7) is installed on one side of the mounting block (3), and one end of the forward and reverse threaded screw rod (4) passes through one side of the mounting block (3) and is connected to the output end of the motor (7).

3. The main beam of the light crane according to claim 1, characterized in that: The upper end surface of the main beam body (1) is provided with a pair of limiting grooves (102) on both sides of the sliding groove (101).

4. The main beam of the light crane according to claim 3, characterized in that: A pair of limiting blocks (8) are installed on the bottom end surface of the installation block (3) on both sides of the slider (301), and the limiting blocks (8) are movably connected to the limiting groove (102).

5. The main beam of the light crane according to claim 1, characterized in that: A rubber pad (601) is installed on opposite sides of a pair of clamping blocks (6).

6. The main beam of the light crane according to claim 1, characterized in that: The anti-collision mechanism (9) comprises a mounting seat (901) and a second rubber pad (902), wherein the second rubber pad (902) is mounted on one side of the mounting seat (901).

7. The main beam of the light crane according to claim 1, characterized in that: A support block (201) is installed on the top end of a pair of mounting frames (2), and opposite sides of the pair of support blocks (201) are respectively connected to two ends of the main beam body (1).

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