Assembly type hoist running trolley frame

Abstract

The utility model relates to an assembly type hoist operation trolley frame which is characterized by comprising a transverse pipe assembly and stand column assemblies, the stand column assemblies comprise the first stand column assembly and the second stand column assembly, the transverse pipe assembly is located between the first stand column assembly and the second stand column assembly, and the two ends of the transverse pipe assembly are in bolt connection with the first stand column assembly and the second stand column assembly respectively. The first stand column assembly and the second stand column assembly are of a symmetrical structure. According to the assembly type trolley frame structure, part of holes can be machined at the same time in the welding process, and hole machining does not need to be conducted after all welding work is completed. The simple assembling and disassembling processes are achieved through the connecting modes of the positioning pin shafts, the screws and the like. The stand column and the transverse pipe assembly can be stored separately, and the size of the assemblies is relatively small, so that the storage space can be greatly saved, and the management cost is reduced. If holes in a certain assembly are machined wrongly, the whole assembly does not need to be scrapped.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to an assembled hoist running trolley frame. Background Art

[0002] The common structure of electric hoist operating devices on the market today includes two trolley frames, support tubes, positioning screws, operating drives, running wheels, and a drive shaft assembly. Specifically, the two support tubes serve the key role of connecting and securing the two trolley frames, each of which is equipped with two running wheels. The operating drive, through the drive shaft assembly, drives the running wheels along the track, thus enabling the entire device to operate.

[0003] In order to ensure the smooth operation of the electric hoist operating device, the four running wheels must be strictly kept in the same plane. Therefore, traditional trolley frame designs mostly adopt a structure formed by welding two vertical tubes and a horizontal tube, and the mounting holes of the support tube, wheel axle, etc. are processed after welding. However, this method of processing holes after welding has many shortcomings. On the one hand, the deformation caused by the welding process may cause the four running wheels to be not in the same plane after assembly, which in turn causes problems such as vibration and abnormal noise. On the other hand, due to the large welded structure, a large gantry milling machine is required to process the holes, which not only has high processing costs, but also a relatively cumbersome clamping process. Utility Model Content

[0004] The purpose of the utility model is to provide an assembled hoist running trolley frame to solve the problem of difficult processing and installation in the prior art.

[0005] The utility model is realized by adopting the following technical scheme: an assembled hoist running trolley frame, characterized in that it includes a cross tube assembly and a column assembly, the column assembly includes a column assembly 1 and a column assembly 2, the cross tube assembly is located between the column assembly 1 and the column assembly 2, and the two ends are respectively bolted to the column assembly 1 and the column assembly 2, and the column assembly 1 and the column assembly 2 are symmetrical structures.

[0006] Furthermore, the column assembly includes a vertical tube and a positioning plate, the positioning plate is arranged on one side of the vertical tube, a pin hole 1 is processed on the positioning plate, and two through holes 2 are processed on the upper and lower sides of the pin hole 1 respectively.

[0007] Furthermore, the cross tube assembly includes a cross tube and a connecting plate. Two connecting plates are respectively arranged at both ends of the cross tube. A second pin hole is processed on the connecting plate. Two threaded holes are respectively processed on the upper and lower sides of the second pin hole.

[0008] Furthermore, it also includes an installation screw, an installation spring washer and an installation positioning pin shaft, the installation positioning pin shaft is inserted into pin hole one and pin hole two at the same time, the installation spring washer is sleeved on the installation screw, and the installation screw passes through through hole two and the threaded hole to realize threaded connection.

[0009] Furthermore, the vertical tube and positioning plate in the column assembly are connected by welding, and the holes are machined with the end face of the vertical tube and the outer surface of the positioning plate as reference planes to ensure the horizontal and vertical positions of the holes on the column, as well as the relative positions of the holes.

[0010] Furthermore, the cross tube and the connecting plate in the cross tube assembly are connected by welding, and the remaining holes and the mounting surfaces are processed with the two end faces of the cross tube as reference planes. During processing, the two pin holes are required to be coaxial. By controlling the length of the cross tube, the horizontal distance between the holes with the same function on the two column assemblies is ensured, thereby indirectly ensuring the coaxiality of the holes with the same function on the two trolley frames.

[0011] Furthermore, the vertical tube is also processed with a through hole 1 which is coaxial with the through hole 2.

[0012] The beneficial effects of the assembled hoist running trolley frame described in the utility model include:

[0013] Improved production efficiency: The assembled trolley frame structure of this utility model allows for the simultaneous processing of some holes during the welding process, without having to wait for all welding work to be completed before processing the holes. This greatly shortens production time and improves production efficiency.

[0014] Simplified assembly process: By adopting connection methods such as positioning pins and screws, a simple assembly and disassembly process is achieved. This not only reduces the assembly difficulty but also improves the assembly efficiency.

[0015] Save storage space: The column and cross tube components can be stored separately. Since these components are relatively small in size, they can greatly save storage space and reduce management costs.

[0016] Improved tolerance: If a hole is machined incorrectly on a component, the entire part doesn't have to be scrapped. Other components can be made based on the incorrect component, thus avoiding waste. This high tolerance makes the production process more flexible and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. The drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the electric hoist operating device;

[0019] Figure 2 This is a schematic diagram of an assembled hoist running trolley frame;

[0020] Figure 3 It is a partial schematic diagram of the connection of the trolley frame;

[0021] Figure 4 Schematic diagram of the vertical pipe structure;

[0022] Figure 5 Schematic diagram of the cross tube structure;

[0023] In the figure, 1-trolley frame, 2-running wheel, 3-running drive, 4-support tube, 5-positioning screw, 6-drive shaft assembly, 7-column assembly one, 8-cross tube assembly, 9-column assembly two, 10-mounting screw, 11-mounting spring washer, 12-mounting positioning pin, 7-1-vertical tube, 7-2-positioning plate, 7-3-through hole one, 7-4-through hole two, 7-5-pin hole one, 7-6-reference plane one, 7-7-reference plane two, 8-1-cross tube, 8-2-connecting plate, 8-3-threaded hole, 8-4-pin hole two, 8-5-reference plane three. DETAILED DESCRIPTION

[0024] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0026] like Figure 1As shown, the electric hoist operating device mainly consists of two trolley frames 1, two support tubes 4, positioning screws 5, a running drive 3, running wheels 2, and a transmission shaft assembly 6. The support tubes 4 connect and fix the two trolley frames 1, and each trolley frame 1 is equipped with two running wheels 2. The running drive 3 drives the running wheels 2 on the track through the transmission shaft assembly 6. For smooth operation, the four running wheels must be in the same plane. Therefore, the trolley frame is mostly made of two vertical tubes and a horizontal tube welded together, and then the mounting holes for the support tubes, wheel axles, etc. are machined. If the holes are machined in advance and then welded, due to significant welding deformation, the four running wheels will not be in the same plane after assembly, resulting in vibration and abnormal noise during operation.

[0027] like Figure 2-5 As shown, an assembled hoist running trolley frame includes a column assembly 7, a cross tube assembly 8 and a column assembly 2 9. The cross tube assembly 8 is located between the column assembly 1 7 and the column assembly 2 9, and its two ends are respectively bolted to the column assembly 1 7 and the column assembly 2 9.

[0028] The column assembly 1 7 and the column assembly 2 9 are symmetrical structures. The column assembly includes a vertical pipe 7-1 and a positioning plate 7-2, and the positioning plate 7-2 is welded to one side of the vertical pipe 7-1. The cross pipe assembly 8 includes a cross pipe 8-1 and a connecting plate 8-2, and two connecting plates 8-2 are welded to both ends of the cross pipe 8-1.

[0029] The positioning plate 7-2 is machined with a pin hole 7-5, with two through holes 7-4 machined on the upper and lower sides of the pin hole 7-5. The connecting plate 8-2 is machined with a pin hole 8-4, with two threaded holes 8-3 machined on the upper and lower sides of the pin hole 8-4. The column assembly 7 and the column assembly 9 are also machined with a through hole 7-3 coaxial with the through hole 7-4. The column assembly 7, the cross tube assembly 8, and the column assembly 9 are connected by mounting screws 10, mounting spring washers 11, and mounting locating pins 12. The mounting locating pins 12 are inserted into both the pin hole 7-5 and the pin hole 8-4. The mounting spring washers 11 are mounted on the mounting screws 10, and the mounting screws 10 pass through the through hole 7-4 and the threaded holes 8-3 to achieve a threaded connection.

[0030] During installation, first weld the vertical tube 7-1 and positioning plate 7-2 in the column assembly. Then, use datum plane 1 7-6 and datum plane 2 7-7 to machine the holes, ensuring the horizontal and vertical positions of the holes on the column, as well as their relative positions. Similarly, weld the horizontal tube 8-1 and connecting plate 8-2 in the cross tube assembly 8. Then, use datum plane 3 8-5 to machine the remaining holes and mounting surface. During machining, the two pin holes must be coaxial. By controlling the length of cross tube 8-1 in the cross tube assembly 8, the horizontal distance between the holes with the same function on the two column assemblies is guaranteed, indirectly ensuring the coaxiality of the holes with the same function on the two trolley frames. Finally, connect column assembly 1 7 and column assembly 2 9 to the cross tube assembly 8 using locating pins 12 and two mounting screws 10.

[0031] The above embodiments describe the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Without departing from the spirit and scope of the present invention, modifications and variations made by those skilled in the art without departing from the spirit and scope of the present invention should be within the scope of protection of the appended claims.

Claims

1. An assembled hoist running trolley frame, characterized in that: The utility model comprises a cross tube assembly (8) and a column assembly, wherein the column assembly comprises a column assembly 1 (7) and a column assembly 2 (9), the cross tube assembly (8) is located between the column assembly 1 (7) and the column assembly 2 (9), and the two ends are respectively bolted to the column assembly 1 (7) and the column assembly 2 (9), and the column assembly 1 (7) and the column assembly 2 (9) are symmetrical structures.

2. The assembled hoist running trolley frame according to claim 1, characterized in that: The column assembly comprises a vertical tube (7-1) and a positioning plate (7-2), wherein the positioning plate (7-2) is arranged on one side of the vertical tube (7-1), a pin hole 1 (7-5) is processed on the positioning plate (7-2), and two through holes 2 (7-4) are processed on the upper and lower sides of the pin hole 1 (7-5), respectively.

3. The assembled hoist running trolley frame according to claim 2, characterized in that: The cross tube assembly (8) comprises a cross tube (8-1) and a connecting plate (8-2). The connecting plate (8-2) has two connecting plates respectively arranged at both ends of the cross tube (8-1). A second pin hole (8-4) is machined on the connecting plate (8-2). Two threaded holes (8-3) are respectively machined on the upper and lower sides of the second pin hole (8-4).

4. The assembled hoist running trolley frame according to claim 3, characterized in that: It also includes a mounting screw (10), a mounting spring washer (11) and a mounting positioning pin (12), wherein the mounting positioning pin (12) is inserted into the first pin hole (7-5) and the second pin hole (8-4) at the same time, the mounting spring washer (11) is sleeved on the mounting screw (10), and the mounting screw (10) passes through the second through hole (7-4) and the threaded hole (8-3) to achieve threaded connection.

5. The assembled hoist running trolley frame according to claim 2, characterized in that: The vertical tube (7-1) and the positioning plate (7-2) in the column assembly are connected by welding, and the holes are machined with the end surface of the vertical tube (7-1) and the outer surface of the positioning plate (7-2) as reference planes to ensure the positions of the holes on the column in the horizontal and vertical directions, as well as the relative positions of the holes.

6. The assembled hoist running trolley frame according to claim 3, characterized in that: The cross tube (8-1) and the connecting plate (8-2) in the cross tube assembly (8) are connected by welding, and the remaining holes and the mounting surface are machined with the two end surfaces of the cross tube (8-1) as reference surfaces. During the machining, the two pin holes are required to be coaxial. By controlling the length of the cross tube (8-1), the distance in the horizontal direction between the holes with the same function on the two column assemblies is guaranteed, thereby indirectly ensuring the coaxiality of the holes with the same function on the two trolley frames.

7. The assembled hoist running trolley frame according to claim 2, characterized in that: The vertical pipe (7-1) is also provided with a first through hole (7-3) coaxial with the second through hole (7-4).

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