Single-beam crane

Abstract

The utility model discloses a single-beam crane which comprises a main beam, the main beam is provided with an electric hoist main body, the electric hoist main body is provided with an access cover, the access cover is provided with a connecting mechanism used for locking the installation position of the access cover, and the connecting mechanism comprises an extrusion cylinder, a fixing column, a connecting frame and a positioning column. The access cover and the extrusion cylinder are both slidably arranged outside the fixing column, the extrusion cylinder is used for extruding the installation position of the access cover, the fixing column is used for installing and positioning the access cover, the connecting frame is located on the extrusion cylinder, the positioning column is slidably arranged on the fixing column, and the connecting frame is used for supporting the installation position of the extrusion cylinder. The maintenance cover, the extrusion cylinder, the fixing column, the connecting frame, the positioning column and the operation plate are matched with one another, the maintenance cover is positioned during installation through the fixing column, the position of the extrusion cylinder is supported through the connecting frame and the fixing column, and therefore the maintenance cover can be conveniently installed and detached, and the maintenance cover can be conveniently and directly taken down from the electric hoist body.

Description

Technical Field

[0001] The utility model relates to the field of single-beam cranes, in particular to a single-beam crane. Background Art

[0002] A single-beam crane is usually a device that uses one main beam to lift objects, and there are various types of single-beam cranes.

[0003] The single-beam crane in the prior art usually includes a main beam, a mobile trolley, an electric hoist body and a hook, etc. The electric hoist body is connected to the main beam through the mobile trolley, and the hook is located on the electric hoist body, so that the hook can be dropped, and then the hook is hooked with the hoisted object, and then the object is hoisted.

[0004] An electric hoist usually includes an electric hoist body and an inspection cover. The inspection cover is covered on the electric hoist body, and the inspection cover is locked on the electric hoist body with multiple bolts. When inspecting the internal components of the electric hoist body, the bolts need to be unscrewed. However, when performing high-altitude inspections, this method requires the staff to lift the bolt tightening tool by hand and then unscrew the bolts one by one. The disassembly is cumbersome and affects the inspection efficiency of the internal components of the electric hoist body. It is not convenient to directly remove the inspection cover, and there are certain limitations. Utility Model Content

[0005] The purpose of the utility model is to provide a single-beam crane to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a single-beam crane, comprising:

[0007] A main beam, the bottom of which is provided with an electric hoist body, and the side of which is provided with an inspection cover;

[0008] The inspection cover is provided with a connection mechanism for locking the installation position of the inspection cover, and the connection mechanism includes:

[0009] An extrusion cylinder and a fixed column, wherein the inspection cover and the extrusion cylinder are both slidably arranged outside the fixed column, the extrusion cylinder is used to extrude the installation position of the inspection cover, and the fixed column is used to position the installation of the inspection cover;

[0010] A connecting frame and a positioning column, wherein the connecting frame is located on the extrusion cylinder, the positioning column is slidably arranged on the fixing column, the connecting frame is used to support the installation position of the extrusion cylinder, and the positioning column is used to lock the relative position of the connecting frame and the fixing column.

[0011] Preferably, one end of the fixing column is fixedly connected to the electric hoist body, the side of the inspection cover is symmetrically provided with mounting grooves, the side inside the mounting groove is provided with through holes, the fixing column is slidably and interlacedly connected with the mounting groove, the through hole and the inner cavity of the extrusion cylinder, and the side of the positioning column is fixedly connected with an operating panel.

[0012] Preferably, the side of the extrusion cylinder is fixedly connected to the connecting frame, the fixing column is slidably connected to the inner cavities of the extrusion cylinder and the connecting frame, a slot is provided on the outside of the fixing column, and the positioning column is slidably connected to the inner cavity of the slot.

[0013] Preferably, a first slide groove is opened at the bottom end of the connecting frame, a second slide groove is opened on the side of the inner wall of the first slide groove, the positioning column is slidably and interlacedly connected with the inner cavities of the first slide groove and the second slide groove, and the outside of the positioning column is fixedly and interlacedly connected with a movable plate for driving the positioning column to move vertically.

[0014] Preferably, a through groove is provided on the side of the inner wall of the first slide groove, a support frame is slidably inserted and connected inside the through groove, the positioning column is slidably inserted and connected to the inner cavity of the support frame, the side of the support frame is fixedly connected to a mounting plate, the side of the connecting frame is fixedly connected to a threaded column, the outer wall of the threaded column is slidably inserted and connected to the mounting plate, the outer wall of the threaded column is threadedly inserted and connected to a mounting ring, the side of the positioning column is fixedly connected to a sliding plate, and a sliding groove matching the sliding plate is provided on the side of the inner wall of the first slide groove.

[0015] Preferably, a fixing rod is fixedly connected to the side of the movable plate, and the fixing rod is slidably and interlacedly connected with the inner cavity of the supporting frame. The outer wall of the fixing rod is provided with a spring for pushing the movable plate to move vertically, one end of the spring is in contact with the supporting frame, and the other end of the spring is in contact with the movable plate.

[0016] Technical effects and advantages of the utility model:

[0017] The utility model utilizes the mutual cooperation of the inspection cover, the extrusion cylinder, the fixed column, the connecting frame, the positioning column and the operating panel. The fixed column positions the installation of the inspection cover, the connecting frame and the fixed column support the position of the extrusion cylinder, and the operating panel drives the positioning column to limit the relative position of the fixed column and the connecting frame, which is beneficial to the installation and disassembly of the inspection cover and makes it easy to remove the inspection cover directly from the electric hoist body for convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0020] Figure 3 It is a front sectional structural diagram of the connection frame of the utility model.

[0021] In the figure: 1. main beam; 2. electric hoist body; 3. inspection cover; 4. connecting mechanism; 41. extrusion cylinder; 42. fixing column; 43. connecting frame; 44. positioning column; 45. moving plate; 46. bearing frame; 47. fixing rod; 48. spring; 49. sliding plate; 410. operating plate; 411. mounting plate; 412. mounting ring. 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] The utility model provides Figure 1-3 A single-beam crane shown includes a main beam 1, an electric hoist body 2 is arranged at the bottom of the main beam 1, and an inspection cover 3 is arranged on the side of the electric hoist body 2, which is conducive to internal inspection of the electric hoist body 2.

[0024] Furthermore, the inspection cover 3 is provided with a connecting mechanism 4 for locking the installation position of the inspection cover 3, and the connecting mechanism 4 includes an extrusion cylinder 41, a fixing column 42, a connecting frame 43 and a positioning column 44. The extrusion cylinder 41 is conducive to extruding the inspection cover 3, which is convenient for installing the inspection cover 3, and the fixing column 42 is conducive to connecting with the inspection cover 3, and then is conducive to positioning and installing the inspection cover 3, which is convenient for installing the inspection cover 3, and the connecting frame 43 is conducive to supporting the extrusion cylinder 41, which is convenient for operating the extrusion cylinder 41, and the positioning column 44 is conducive to limiting the relative position of the connecting frame 43 and the fixing column 42, and then is conducive to installing and disassembling the inspection cover 3, and is convenient for directly removing the inspection cover 3 to improve the disassembly efficiency of the inspection cover 3, and the inspection cover 3 and the extrusion cylinder 41 are both slidably arranged on the outside of the fixing column 42, the extrusion cylinder 41 is used to extrude the installation position of the inspection cover 3, and the fixing column 42 is used to The cover 3 is installed and positioned, the connecting frame 43 is located on the extrusion cylinder 41, and the positioning column 44 is slidably arranged on the fixing column 42. The connecting frame 43 is used to support the installation position of the extrusion cylinder 41. The positioning column 44 is used to lock the relative position of the connecting frame 43 and the fixing column 42. One end of the fixing column 42 is fixedly connected to the electric hoist body 2. The side of the inspection cover 3 is symmetrically provided with installation grooves, and the side inside the installation groove is provided with through holes. The fixing column 42 is slidably inserted and connected with the installation groove, the through hole and the inner cavity of the extrusion cylinder 41. The side of the positioning column 44 is fixedly connected with an operating plate 410, which is conducive to pulling the positioning column 44 and facilitating the connection or disconnection of the positioning column 44 with the fixing column 42. The side of the extrusion cylinder 41 is fixedly connected to the connecting frame 43. The fixing column 42 is slidably inserted and connected with the inner cavity of the extrusion cylinder 41 and the connecting frame 43. A card slot is provided on the outside of the fixing column 42, and the positioning column 44 is slidably inserted and connected with the inner cavity of the card slot.

[0025] Specifically, a first slide groove is provided at the bottom end of the connecting frame 43, and a second slide groove is provided on the side of the inner wall of the first slide groove. The positioning column 44 is slidably inserted and connected with the inner cavities of the first slide groove and the second slide groove. The outer part of the positioning column 44 is fixedly inserted and connected with a movable plate 45 for driving the positioning column 44 to move vertically, which is conducive to driving the positioning column 44 to move and is convenient for pulling the positioning column 44. A through groove is provided on the side of the inner wall of the first slide groove, and a supporting frame 46 is slidably inserted and connected inside the through groove. The supporting frame 46 is U-shaped, and the supporting frame 46 is conducive to compressing the spring 48. The supporting frame 46 is conducive to slidingly guiding the fixing rod 47 and the positioning column 44. The positioning column 44 is slidably inserted and connected with the inner cavity of the supporting frame 46. The side of the supporting frame 46 is fixedly connected with a mounting plate 411, which is conducive to supporting the supporting frame 46 and facilitating the installation of the supporting frame 46. The side of the connecting frame 43 is fixedly connected with a threaded column, which is conducive to sliding connection with the mounting plate 411, and then It is convenient for the mounting plate 411 to be installed The outer wall of the threaded column is slidably and interlacedly connected with the mounting plate 411, and the outer wall of the threaded column is threadedly and interlacedly connected with a mounting ring 412, which is conducive to limiting the relative position of the positioning column 44 and the mounting plate 411, and then facilitating the installation of the carrier 46. The side of the positioning column 44 is fixedly connected with a sliding plate 49, which is conducive to sliding and guiding the positioning column 44. The side of the inner wall of the first slide groove is provided with a sliding groove that matches the sliding plate 49. The side of the movable plate 45 is fixedly connected with a fixing rod 47, which is conducive to guiding the deformation of the spring 48. The fixing rod 47 is slidably and interlacedly connected with the inner cavity of the carrier 46. The outer wall of the fixing rod 47 is sleeved with a spring 48 for pushing the movable plate 45 to move vertically. The elastic force of the spring 48 is conducive to pushing the movable plate 45 to move, so that the movable plate 45 and the positioning column 44 can be restored to their original positions after movement, so as to facilitate repeated operation of the positioning column 44. One end of the spring 48 is in contact with the carrier 46, and the other end of the spring 48 is in contact with the movable plate 45.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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. A single-beam crane, comprising: A main beam (1), wherein an electric hoist body (2) is arranged at the bottom of the main beam (1), and an inspection cover (3) is arranged on the side of the electric hoist body (2); It is characterized in that the inspection cover (3) is provided with a connection mechanism (4) for locking the installation position of the inspection cover (3), and the connection mechanism (4) comprises: An extrusion cylinder (41) and a fixing column (42), wherein the inspection cover (3) and the extrusion cylinder (41) are both slidably arranged outside the fixing column (42), the extrusion cylinder (41) is used to extrude the installation position of the inspection cover (3), and the fixing column (42) is used to install and position the inspection cover (3); A connecting frame (43) and a positioning column (44), wherein the connecting frame (43) is located on the extrusion cylinder (41), and the positioning column (44) is slidably arranged on the fixing column (42). The connecting frame (43) is used to support the installation position of the extrusion cylinder (41), and the positioning column (44) is used to lock the relative position of the connecting frame (43) and the fixing column (42).

2. A single beam crane according to claim 1, characterized in that: One end of the fixing column (42) is fixedly connected to the electric hoist body (2); a mounting groove is symmetrically provided on the side of the inspection cover (3); a through hole is provided on the side inside the mounting groove; the fixing column (42) is slidably connected to the mounting groove, the through hole and the inner cavity of the extrusion cylinder (41); and an operating panel (410) is fixedly connected to the side of the positioning column (44).

3. A single beam crane according to claim 1, characterized in that: The side of the extrusion cylinder (41) is fixedly connected to the connection frame (43), the fixing column (42) is slidably connected to the inner cavities of the extrusion cylinder (41) and the connection frame (43), a slot is provided on the outside of the fixing column (42), and the positioning column (44) is slidably connected to the inner cavity of the slot.

4. A single beam crane according to claim 1, characterized in that: A first slide groove is provided at the bottom end of the connection frame (43), a second slide groove is provided on the side of the inner wall of the first slide groove, the positioning column (44) is slidably connected with the inner cavities of the first slide groove and the second slide groove, and a movable plate (45) is fixedly connected to the outside of the positioning column (44) for driving the positioning column (44) to move vertically.

5. A single beam crane according to claim 4, characterized in that: A through groove is provided on the side of the inner wall of the first slide groove, and a support frame (46) is slidably inserted and connected inside the through groove. The positioning column (44) is slidably inserted and connected to the inner cavity of the support frame (46). The side of the support frame (46) is fixedly connected to a mounting plate (411). The side of the connecting frame (43) is fixedly connected to a threaded column. The outer wall of the threaded column is slidably inserted and connected to the mounting plate (411). The outer wall of the threaded column is threadedly inserted and connected to a mounting ring (412). The side of the positioning column (44) is fixedly connected to a sliding plate (49). A sliding groove matching the sliding plate (49) is provided on the side of the inner wall of the first slide groove.

6. A single beam crane according to claim 5, characterized in that: A fixing rod (47) is fixedly connected to the side of the movable plate (45), and the fixing rod (47) is slidably connected to the inner cavity of the supporting frame (46). The outer wall of the fixing rod (47) is provided with a spring (48) for pushing the movable plate (45) to move vertically, one end of the spring (48) is in contact with the supporting frame (46), and the other end of the spring (48) is in contact with the movable plate (45).

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