Maintenance frame for bridge crane

Abstract

The utility model discloses a bridge crane maintenance frame which comprises supporting assemblies, a foldable connecting assembly convenient to store and transport is arranged between the supporting assemblies, a bearing assembly used for adjusting the supporting height is arranged at the tops of the supporting assemblies, and the connecting assembly comprises two symmetrical first supporting rods. A connecting base is fixedly arranged at the bottom of the first supporting rod, a rotating shaft is rotationally arranged in the middle of the connecting base, and two second supporting rods are symmetrically and fixedly arranged on one side of the rotating shaft. The bearing columns on the two sides rotate around the rotating shafts, folding is achieved, the space needed for storage is reduced, and loading, unloading and transportation are convenient; during stacking use, reinforcing steel bars are inserted into the sleeves and the mounting holes to connect the upper and lower bearing columns, and fine adjustment is performed by controlling the depth of the insertion rods in the sleeves, so that the supporting height is convenient to adjust, and the use is more flexible; the height of each bearing column can be independently adjusted through threaded connection between the non-slip mats and the bearing columns, and the overall stability can still be kept when the ground is uneven.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge cranes, in particular to a bridge crane maintenance frame. Background Art

[0002] A bridge crane is a type of lifting equipment that is horizontally mounted above a workshop, warehouse, or material yard to lift materials. Because its two ends are located on tall concrete columns or metal brackets, it is shaped like a bridge and is the most widely used and most numerous type of lifting machinery. A bridge crane maintenance rack is mainly used to provide a stable working platform for workers when repairing, inspecting, and installing bridge cranes. This maintenance rack is usually made of steel and has high strength and stability.

[0003] After searching, a bridge crane maintenance frame with the patent announcement number of "CN 215798327 U" includes a bottom plate, a steel chisel placement groove is arranged on the top of the bottom plate, wheels are arranged on the bottom of the bottom plate, an electric push rod is arranged on the top of the bottom plate, the end of the electric push rod away from the bottom plate is fixedly connected to a workbench, a fence is arranged on the top of the workbench, and both ends of the bottom plate are fixedly connected to a fixing mechanism, the fixing mechanism includes a side plate, a mounting plate is arranged at the bottom of the side plate, the side plate is fixedly connected to the bottom plate through the mounting plate arranged at the bottom, a card slot matching the bottom plate is arranged inside the mounting plate, and a slide groove is arranged inside the side plate. The bridge crane maintenance frame, through the coordinated use of the slider and the limit plate, enables the operator to adjust the height of the slider as needed, and then installs a fixed steel chisel inside the fixing hole to fix the position of the fixing plate, so that the position of the device is fixed, thereby effectively enhancing the stability of the device.

[0004] The above technical features have the following shortcomings: when supported and fixed, the load is borne by the connecting plates on both sides, the load-bearing capacity is limited and the stability is poor when the ground is uneven. Although wheels are provided at the bottom, the maintenance frame is overall bulky and cannot be quickly assembled and disassembled according to actual needs. It is not convenient to carry and transport. Therefore, it is urgent to design a bridge crane maintenance frame to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a bridge crane maintenance frame to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A bridge crane maintenance frame includes a support assembly, a foldable connecting assembly for easy storage and transportation is arranged between the support assemblies, and a load-bearing assembly for adjusting the support height is arranged on the top of the support assembly; the connecting assembly includes two symmetrical No. 1 support rods, a connecting seat is fixedly arranged at the bottom of the No. 1 support rod, a rotating shaft is rotatably arranged in the middle of the connecting seat, and two No. 2 support rods are symmetrically fixedly arranged on one side of the rotating shaft.

[0008] Preferably, the support assembly includes two symmetrical load-bearing columns, a sleeve is provided on the top of the load-bearing column, a connecting hole is provided on the top of the sleeve, a limiting groove is provided on the bottom of the load-bearing column, and a horizontal bar is provided between the limiting grooves.

[0009] Preferably, the No. 1 support rod and the No. 2 support rod are respectively welded to the load-bearing column, and the connecting seat is connected to the rotating shaft bearing.

[0010] Preferably, the cross bar is plug-in connected to the load-bearing column, a mounting hole is provided below the load-bearing column, a No. 1 screw is provided in the middle of the mounting hole, and an anti-slip pad is provided at the bottom of the No. 1 screw.

[0011] Preferably, the bearing assembly includes a workbench, four plug-in rods are fixedly arranged at the four corners of the bottom of the workbench, a number of through holes are evenly opened on the plug-in rods, a No. 2 screw is arranged in the through hole, and a number of through slots are evenly opened on the workbench.

[0012] Preferably, the plug-in rod is plug-in connected to the sleeve.

[0013] Preferably, the plug-in rod has the same outer diameter as the No. 1 screw rod.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, the load-bearing columns on both sides rotate around the rotating shaft to achieve folding and folding, reducing the space required for storage and facilitating loading and unloading and transportation;

[0016] 2. In the utility model, when stacked, the upper and lower load-bearing columns are connected by inserting the steel bars into the sleeves and the mounting holes, and then the depth of the plug-in rod in the sleeves is controlled for fine adjustment, so that the support height can be adjusted easily and the use is more flexible;

[0017] 3. In the present invention, the height of each load-bearing column can be adjusted independently through the threaded connection between the anti-slip pad and the load-bearing column, and the overall stability can still be maintained when the ground is uneven. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a bridge crane maintenance frame described in the utility model;

[0019] Figure 2 It is a partial cross-sectional view of a support assembly of a bridge crane maintenance frame described in the utility model;

[0020] Figure 3 It is a partial enlarged view of a load-bearing component of a bridge crane maintenance frame described in the utility model;

[0021] Figure 4 It is a partial enlarged view of a support assembly of a bridge crane maintenance frame described in the utility model.

[0022] In the accompanying drawings: 1. Support assembly; 101. Load-bearing column; 102. Sleeve; 103. Connecting hole; 104. Limiting groove; 105. Cross bar; 106. Mounting hole; 107. No. 1 screw; 108. Anti-slip pad; 2. Connecting assembly; 201. No. 1 support rod; 202. Connecting seat; 203. Rotating shaft; 204. No. 2 support rod; 3. Load-bearing assembly; 301. Workbench; 302. Plug rod; 303. Through hole; 304. No. 2 screw; 305. Through groove. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-Figure 4 A bridge crane maintenance frame includes a support assembly 1, a foldable connecting assembly 2 for easy storage and transportation is arranged between the support assemblies 1, and a load-bearing assembly 3 for adjusting the support height is arranged on the top of the support assembly 1.

[0025] In this embodiment, the support assembly 1 includes two symmetrical load-bearing columns 101, a sleeve 102 is provided on the top of the load-bearing column 101, a connecting hole 103 is provided on the top of the sleeve 102, a limiting groove 104 is provided on the bottom of the load-bearing column 101, a cross bar 105 is provided between the limiting grooves 104, the cross bar 105 is plug-in connected to the load-bearing column 101, a mounting hole 106 is provided below the load-bearing column 101, and a No. 1 screw 107 is provided in the middle of the mounting hole 106. 07 The bottom is provided with an anti-skid pad 108. Insert the horizontal bar 105 into the limiting groove 104 to make the four load-bearing columns 101 stand upright on the ground. The initial installation of the maintenance rack is completed. The horizontal bar 105 supports the bottom of the load-bearing column 101, and the workbench 301 supports the top of the load-bearing column 101. The maintenance rack is fully supported and built. If the ground is uneven, rotate the No. 1 screw 107 to move up and down along the installation hole 106, driving the anti-skid pad 108 to rise and fall to fit the ground to maintain overall stability;

[0026] In this embodiment: the connection assembly 2 includes two symmetrical No. 1 support rods 201, a connection seat 202 is fixedly provided at the bottom of the No. 1 support rod 201, a rotating shaft 203 is rotatably provided in the middle of the connection seat 202, and two No. 2 support rods 204 are symmetrically fixedly provided on one side of the rotating shaft 203. The No. 1 support rod 201 and the No. 2 support rod 204 are respectively welded to the load-bearing column 101, and the connection seat 202 is connected to the rotating shaft 203 bearing. Pull the No. 1 support rod 201 and the No. 2 support rod 204 to rotate the connection seat 202 around the rotating shaft 203 until the No. 1 support rod 201 and the No. 2 support rod 204 are in the same plane, and the expansion of the load-bearing column 101 is completed;

[0027] In this embodiment: the bearing component 3 includes a workbench 301, four plug-in rods 302 are fixedly arranged at the four corners of the bottom of the workbench 301, a number of through holes 303 are evenly arranged on the plug-in rods 302, a No. 2 screw 304 is arranged in the middle of the through hole 303, and a number of through slots 305 are evenly arranged on the workbench 301. The plug-in rods 302 are connected to the support component 1 by plugging and unplugging. The plug-in rods 302 have the same outer diameter as the No. 1 screw 107. The four plug-in rods 302 are inserted into the corresponding sleeves 102. The height of the workbench 301 is changed by plugging and unplugging the plug-in rods 302, and then the No. 2 screw 304 is screwed into the through hole 303 and the connecting hole 103 to complete the fixation of the workbench 301, and the weight of the bearing component 3 is reduced by opening the through slots 305.

[0028] Working principle: When in use, pull the No. 1 support rod 201 and the No. 2 support rod 204 to rotate the connecting seat 202 around the rotating shaft 203 until the No. 1 support rod 201 and the No. 2 support rod 204 are in the same plane, the load-bearing column 101 is unfolded, the cross bar 105 is inserted into the limit groove 104, the load-bearing column 101 is upright on the ground, the four plug-in rods 302 are inserted into the corresponding sleeves 102, the height of the workbench 301 is changed by plugging and unplugging the plug-in rods 302, and then the No. 2 screw 304 is screwed into the through hole 303 and the connecting hole In 103, the workbench 301 is fixed. At this time, the horizontal bar 105 supports the bottom of the load-bearing column 101, and the workbench 301 supports the top of the load-bearing column 101. The maintenance frame is fully supported and built. When the ground is uneven, rotate the No. 1 screw 107 to make it move up and down along the installation hole 106, driving the anti-slip pad 108 to rise and fall to fit the ground. The weight of the bearing component 3 is reduced by opening the through groove 305. When stacked for use, the upper and lower load-bearing columns 101 are connected by inserting the steel bar into the sleeve 102 and the installation hole 106, which reduces the difficulty of installation.

[0029] 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 bridge crane maintenance frame, comprising a support assembly (1), characterized in that: A foldable connecting component (2) is provided between the support components (1) for easy storage and transportation, and a bearing component (3) for adjusting the support height is provided on the top of the support component (1); The connection assembly (2) comprises two symmetrical No. 1 support rods (201), a connection seat (202) being fixedly arranged at the bottom of the No. 1 support rod (201), a rotating shaft (203) being rotatably arranged in the middle of the connecting seat (202), and two No. 2 support rods (204) being symmetrically fixedly arranged on one side of the rotating shaft (203).

2. The bridge crane maintenance frame according to claim 1, characterized in that: The support assembly (1) comprises two symmetrical load-bearing columns (101), a sleeve (102) is arranged at the top of the load-bearing column (101), a connecting hole (103) is arranged at the top of the sleeve (102), a limiting groove (104) is arranged at the bottom of the load-bearing column (101), and a horizontal bar (105) is arranged between the limiting grooves (104).

3. The bridge crane maintenance frame according to claim 2, characterized in that: The first support rod (201) and the second support rod (204) are respectively welded to the load-bearing column (101), and the connecting seat (202) is connected to the bearing of the rotating shaft (203).

4. The bridge crane maintenance frame according to claim 2, characterized in that: The cross bar (105) is plug-in connected to the load-bearing column (101), a mounting hole (106) is arranged below the load-bearing column (101), a No. 1 screw rod (107) is arranged in the middle of the mounting hole (106), and an anti-slip pad (108) is arranged at the bottom of the No. 1 screw rod (107).

5. The bridge crane maintenance frame according to claim 4, characterized in that: The bearing assembly (3) comprises a workbench (301), four plug-in rods (302) are fixedly arranged at the four corners of the bottom of the workbench (301), a number of through holes (303) are evenly arranged on the plug-in rods (302), a number two screw rod (304) is arranged in the through hole (303), and a number of through slots (305) are evenly arranged on the workbench (301).

6. The bridge crane maintenance frame according to claim 5, characterized in that: The plug-in rod (302) is plug-in-plug connected to the sleeve (102).

7. The bridge crane maintenance frame according to claim 5, characterized in that: The plug-in rod (302) has the same outer diameter as the No. 1 screw rod (107).

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