Welded pipe conveying trolley
By designing a welded pipe transport trolley, the problems of inconvenient transfer and safety hazards after spiral welded pipe welding were solved, achieving stable and efficient welded pipe transportation and improving equipment safety.
Patent Information
- Application Number
- CN202422709603.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-11-07
AI Technical Summary
In the existing technology, the transfer process of spiral welded pipes after welding is inconvenient and poses safety hazards.
Design a welded pipe conveying trolley, including components such as a left frame, a right frame, a connecting frame, an active wheel set, a passive wheel set, a drive shaft, a drive device, a lifting bracket, and a roller frame. Stable conveying is achieved through the active wheel set and the drive shaft, and the lifting bracket and guiding device are equipped to improve stability and safety.
This has enabled stable transport of welded pipes, improved transfer efficiency, and enhanced the safety and ease of use of the equipment.
Smart Images
Figure CN223480038U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel pipe processing equipment, and in particular to a welded pipe conveying trolley. Background Technology
[0002] The transportation of steel pipes is one of the important processes in steel pipe production. In the current technology, after the spiral welded pipes are welded, they are mostly transferred by overhead cranes or gantry cranes, which is very inconvenient and poses certain safety hazards. Utility Model Content
[0003] The purpose of this invention is to provide a welded pipe conveying trolley to solve the problems existing in the prior art.
[0004] The purpose of this utility model is achieved as follows: A welded pipe conveying trolley includes a left frame and a right frame, with a connecting frame between the left and right frames. Both the left and right frames have active wheel sets on their front sides and passive wheel sets on their rear sides. A drive shaft connects the active wheel sets and is connected to a drive unit. The rear side of the drive unit is connected to the side of the connecting frame. Both the left and right frames have lifting supports, with a roller frame mounted on top. The lifting support includes a support sleeve, a guide sleeve, a hydraulic cylinder, and guide columns on both sides of the hydraulic cylinder. The support sleeve includes a connecting plate and a guide support tube welded and fixed to the connecting plate. The connecting plate is connected to the top plate of the left and right frames. The hydraulic cylinder body is detachably connected to the connecting plate via a connecting ring. The guide sleeve is installed inside the guide support tube, and the guide columns are installed inside the guide sleeve. The telescopic end of the hydraulic cylinder and the upper end of the guide columns are detachably connected to the bottom plate of the roller frame. This welded pipe conveying trolley has the advantages of stable structure, convenient use, and high transfer efficiency.
[0005] As a further improvement of this utility model, a limiting groove is provided on the upper surface of the top plate of the frame, and the bottom of the connecting plate is inserted into the limiting groove, which facilitates installation and positioning, and improves the stability of the lateral movement and lifting movement of the conveying trolley.
[0006] As a further improvement of this utility model, the lower end of the guide support tube is inserted into the top plate of the vehicle frame, which further improves the structural stability.
[0007] As a further improvement of this utility model, a triangular reinforcing rib is provided between the upper surface of the guide support tube and the connecting plate to enhance the structural stability.
[0008] As a further improvement of this utility model, a guide rail is provided under the wheels of the active wheel assembly and the passive wheel assembly, and a reinforcing support is provided on the rear side of the guide rail. The reinforcing support and the guide rail are detachably connected by bolts that pass through laterally, which makes the connection convenient and the support reliable.
[0009] As a further improvement of this utility model, a cable chain groove is vertically provided below the connecting frame, and a cable chain is installed in the cable chain groove. The cable chain is connected to a trolley bus. The trolley bus includes power lines, signal lines, etc., that need to be connected to the trolley, thereby improving the safety of equipment operation.
[0010] As a further improvement of this utility model, limit switches are provided on the front and rear sides of the left or right frame to ensure the safety of the trolley's lateral movement. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the welded pipe conveying trolley of this utility model.
[0012] Figure 2 for Figure 1 Top view.
[0013] Figure 3 for Figure 1 Side view.
[0014] The components include: 1. Left frame; 2. Right frame; 3. Connecting frame; 4. Drive wheel assembly; 5. Driven wheel assembly; 6. Drive shaft; 7. Drive unit; 8. Lifting bracket; 801. Support sleeve; 801A. Connecting plate; 801B. Guide support tube; 802. Guide sleeve; 803. Hydraulic cylinder; 804. Guide column; 9. Roller frame; 10. Guide rail; 11. Reinforcing support; 12. Cable chain groove; 13. Cable chain; 14. Limit switch; 15. Frame top plate; 16. Connecting ring; 17. Triangular reinforcing rib. Detailed Implementation
[0015] like Figure 1-3 The welded pipe conveying trolley shown includes a left frame 1 and a right frame 2, with a connecting frame 3 between them. Both the left and right frames have active wheel sets 4 at their front and passive wheel sets 5 at their rear. A drive shaft 6 connects the active wheel sets 4, and the drive shaft 6 is connected to a drive unit 7. The rear of the drive unit 7 is connected to the side of the connecting frame 3. Both the left and right frames have lifting brackets 8, with roller frames 9 mounted on top of the lifting brackets 8. Guide rails 10 are located below the wheels of the active and passive wheel sets 4 and 5. Reinforcing supports 11 are located behind the guide rails 10, and these supports 11 are detachably connected to the guide rails 10 via transversely inserted bolts, ensuring convenient connection and reliable support. A drag chain groove 12 is vertically arranged below the connecting frame 3, containing a drag chain 13. A trolley bus is connected within the drag chain. The trolley bus includes power lines, signal lines, etc., that need to be connected to the trolley, improving the safety of equipment operation. Limit switches 14 are provided on the front and rear sides of the left frame 1 or the right frame 2 to ensure the safety of the trolley's lateral movement.
[0016] The lifting support 8 includes a support sleeve 801, a guide sleeve 802, a hydraulic cylinder 803, and guide columns 804 disposed on both sides of the hydraulic cylinder 803. The support sleeve 801 includes a connecting plate 801A and a guide support tube 801B welded and fixed to the connecting plate 801A. The connecting plate 801A is connected to the top plate 15 of the left frame 1 and the right frame 2. Specifically, the upper surface of the top plate 15 is provided with a limiting groove, and the bottom of the connecting plate 801A is inserted into the limiting groove for easy installation and positioning, and to improve the stability of the lateral and lifting movements of the conveyor trolley. The lower end of the guide support tube 801B is inserted into the top plate 15 of the frame, and a triangular reinforcing rib 17 is provided between the guide support tube 801B and the upper surface of the connecting plate 801A to enhance structural stability. The hydraulic cylinder 803 body is detachably connected to the connecting plate 801A via a connecting ring 16. The guide sleeve 802 is installed inside the guide support tube 801B, the guide column 804 is installed inside the guide sleeve 802, and the telescopic end of the hydraulic cylinder 803 and the upper end of the guide column 804 are detachably connected to the bottom plate of the roller frame 9.
[0017] The welded pipe conveying trolley in this embodiment has the advantages of stable structure, convenient use, and high transfer efficiency.
[0018] This utility model is not limited to the above embodiments. Based on the technical solutions disclosed in this utility model, those skilled in the art can make some substitutions and modifications to some of the technical features without creative labor, and these substitutions and modifications are all within the protection scope of this utility model.
Claims
1. A welded pipe conveying trolley, characterized in that: The vehicle includes a left frame and a right frame, with a connecting frame between them. Both the left and right frames have active wheel assemblies on their front sides and passive wheel assemblies on their rear sides. A drive shaft connects the active wheel assemblies and is connected to a drive unit. The rear side of the drive unit is connected to the side of the connecting frame. Both the left and right frames have lifting brackets, with a roller frame mounted on top. Each lifting bracket includes a support sleeve, a guide sleeve, a hydraulic cylinder, and guide columns on both sides of the cylinder. The support sleeve includes a connecting plate and a guide support tube welded to the connecting plate. The connecting plate is connected to the top plate of the left and right frames. The hydraulic cylinder body is detachably connected to the connecting plate via a connecting ring. The guide sleeve is installed inside the guide support tube, and the guide columns are installed inside the guide sleeve. The telescopic end of the hydraulic cylinder and the upper end of the guide columns are detachably connected to the bottom plate of the roller frame.
2. The welded pipe conveying trolley according to claim 1, characterized in that: The upper surface of the frame top plate is provided with a limiting groove, and the bottom of the connecting plate is inserted into the limiting groove.
3. The welded pipe conveying trolley according to claim 2, characterized in that: The lower end of the guide support tube is inserted into the top plate of the vehicle frame.
4. The welded pipe conveying trolley according to claim 3, characterized in that: The guide support tube is provided with triangular reinforcing ribs between the upper surface of the connecting plate and the upper surface of the plate.
5. The welded pipe conveying trolley according to any one of claims 1-4, characterized in that: The active wheel assembly and the passive wheel assembly are provided with guide rails below the wheels, and the guide rails are provided with reinforcing supports on the rear side. The reinforcing supports are detachably connected to the guide rails by bolts that pass through laterally.
6. The welded pipe conveying trolley according to any one of claims 1-4, characterized in that: A drag chain groove is vertically provided below the connecting frame, and a drag chain is provided in the drag chain groove. A trolley bus is connected in the drag chain.
7. The welded pipe conveying trolley according to any one of claims 1-4, characterized in that: Limit switches are provided on the front and rear sides of the left or right frame, respectively.