Front rack of small carry-scraper
By designing a front frame structure of multiple sheet welded forming, the problem of insufficient load capacity of traditional structures is solved, and a more stable and efficient front frame of the shovel is achieved, meeting the usage requirements.
Patent Information
- Application Number
- CN202420273267.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-02
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-02-02
AI Technical Summary
The front frame of the traditional small shoveler has a simple structure and poor load-bearing capacity, which cannot meet the usage requirements.
A front frame of the shovel machine including a door frame-shaped main bracket, welded left and right wall panels, lower hinge plates, upper hinge plates and reinforced structures was designed. The box-type structure was formed by welding multiple plates, and the box-type structure was added. The support point and stress area are enhanced, and the stability and bearing capacity of the structure are enhanced.
A more stable and high load-bearing capacity of the hopper front frame structure is achieved, which is easy to make and install, and improves the overall performance of the equipment.
Smart Images
Figure CN222295129U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a front frame of a small scraper loader and belongs to the technical field of structural design of the front frame of the scraper loader. Background Art
[0002] Small scraper is an important mechanical equipment for underground mining operations, and its front frame is the main load-bearing component of the small scraper. The front frame of the small scraper needs to be installed with the front drive axle, lifting cylinder, big arm, dump cylinder, rear frame and steering cylinder. When the small scraper is working normally, its front frame becomes the main force-bearing component, so the stability and reliability of its structure is very important. The traditional front frame structure of small scraper is relatively simple, with poor load-bearing capacity, and cannot meet the use requirements well. Utility Model Content
[0003] In view of the above deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a small front frame of a scraper with a strong bearing capacity and easy to manufacture.
[0004] The front frame of the small scraper loader described in the utility model comprises a door frame-type main bracket, a lifting cylinder support is welded on the front side of the main bracket, a lifting cylinder reinforcement sleeve is fixedly connected to the lifting cylinder support, a left wall panel and a right wall panel are respectively welded on the left and right sides of the main bracket, a left bridge panel and a right bridge panel are respectively fixed on the left wall panel and the right wall panel, the left bridge panel corresponds to the right bridge panel on the left and right sides, a lower hinged plate is welded on the bottom of the main bracket, the left and right sides of the lower hinged plate are respectively welded to the left wall panel and the right wall panel, an upper hinged plate is welded on the rear side of the main bracket, a steering cylinder reinforcement sleeve is connected to the upper hinged plate, the upper hinged plate and the lower hinged plate are correspondingly connected to the rear frame reinforcement sleeve, a small side plate of a dump bucket cylinder is welded on the top of the upper hinged plate, a large side plate of a dump bucket cylinder is welded between the upper hinged plate and the main bracket, the large side plate of the dump bucket cylinder and the small side plate of the dump bucket cylinder are correspondingly connected to the dump bucket cylinder reinforcement sleeve, and the large side plate of the dump bucket cylinder and the left wall plate are correspondingly connected to the big arm reinforcement sleeve.
[0005] Preferably, a slot is provided at the rear end of the main bracket, and the large side plate of the bucket cylinder is clamped in the slot. The edge of the slot is welded to the two side walls of the large side plate of the bucket cylinder, which can increase the structural strength of the upper hinged plate and the large side plate of the bucket cylinder and improve the load-bearing capacity of the two.
[0006] Preferably, the left wall panel and the right wall panel are both welded with lifting ears to facilitate the lifting of the utility model.
[0007] Preferably, mudguards are welded on the left wall panel and the right wall panel to play a protective role.
[0008] Preferably, a left wall panel reinforcement plate is welded on the left wall panel, and a right wall panel reinforcement plate is welded on the right wall panel. The left wall panel reinforcement plate can increase the stress-bearing area of the left bridge plate, prevent stress concentration between the left bridge plate and the left wall panel, and improve the bearing capacity of the left bridge plate; the right wall panel reinforcement plate can increase the stress-bearing area of the right bridge plate, prevent stress concentration between the right bridge plate and the right wall panel, and improve the bearing capacity of the right bridge plate.
[0009] Preferably, the lower end of the front side wall of the main bracket is bent forward, and a reinforcing steel pipe is welded at the corresponding corner. The lifting cylinder support is provided with a bayonet corresponding to the reinforcing steel pipe, and the edge of the bayonet is welded to the reinforcing steel pipe. The provision of the reinforcing steel pipe can increase the force-bearing area of the lifting cylinder support and improve the bearing capacity of the lifting cylinder support.
[0010] Preferably, a plurality of reinforcing ribs are welded at the corresponding bends on the front side of the main bracket, and a triangular force-bearing structure is formed between the reinforcing ribs and the front side wall of the main bracket, which can ensure the stability of the front end structure of the main bracket and improve the bearing capacity of the front end of the main bracket.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] The front frame of the small scraper loader described in the utility model is formed into a box-type structure by welding the main bracket, the left wall panel, the right wall panel and the lower hinged plate. The overall stability of the structure is good and the bearing capacity is strong. It is easy to manufacture by welding a plurality of plates. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model;
[0014] Figure 2 It is a structural schematic diagram of the main bracket of the utility model.
[0015] In the figure: 1. Main bracket; 2. Boom reinforcement sleeve; 3. Large side plate of bucket cylinder; 4. Small side plate of bucket cylinder; 5. Reinforcement sleeve of bucket cylinder; 6. Upper hinge plate; 7. Reinforcement sleeve of steering cylinder; 8. Reinforcement sleeve of rear frame; 9. Lower hinge plate; 10. Right wall panel; 11. Reinforcement plate of right wall panel; 12. Right bridge plate; 13. Reinforced steel pipe; 14. Reinforcement rib plate; 15. Lifting cylinder support; 16. Reinforcement sleeve of lifting cylinder; 17. Left wall panel; 18. Left bridge plate; 19. Reinforcement plate of left wall panel; 20. Lifting ear; 21. Fender; 22. Slot; 23. Bayonet. DETAILED DESCRIPTION
[0016] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings:
[0017] Embodiment 1:
[0018] like Figure 1 , Figure 2 As shown, the front frame of the small scraper described in the utility model includes a door frame-type main bracket 1, a lifting cylinder support 15 is welded to the front side of the main bracket 1, and a lifting cylinder reinforcement sleeve 16 is fixedly connected to the lifting cylinder support 15. The left and right sides of the main bracket 1 are respectively welded with a left wall panel 17 and a right wall panel 10, and the left wall panel 17 and the right wall panel 10 are respectively fixed with a left bridge panel 18 and a right bridge panel 12, and the left bridge panel 18 corresponds to the right bridge panel 12 on the left and right sides. The bottom of the main bracket 1 is welded with a lower hinged plate 9, and the left and right sides of the lower hinged plate 9 are respectively connected to The left wall panel 17 and the right wall panel 10 are welded, and an upper hinged plate 6 is welded to the rear side of the main bracket 1, and a steering cylinder reinforcement sleeve 7 is connected to the upper hinged plate 6, and a rear frame reinforcement sleeve 8 is correspondingly connected to the upper hinged plate 6 and the lower hinged plate 9, and a small side plate 4 of the bucket cylinder is welded to the top of the upper hinged plate 6, and a large side plate 3 of the bucket cylinder is welded between the upper hinged plate 6 and the main bracket 1, and a bucket cylinder reinforcement sleeve 5 is correspondingly connected to the large side plate 3 of the bucket cylinder and the small side plate 4 of the bucket cylinder, and a large arm reinforcement sleeve 2 is correspondingly connected to the large side plate 3 of the bucket cylinder and the left wall panel 17.
[0019] When in use, the left bridge plate 18 and the right bridge plate 12 are used to install and fix the front drive axle, and the force of the front drive axle is transmitted to the main bracket 1 through the left bridge plate 18 and the right bridge plate 12; the lifting cylinder reinforcement sleeve 16 is used to install the lifting cylinder, and the force of the lifting cylinder is transmitted to the main bracket 1 through the lifting cylinder reinforcement sleeve 16 and the lifting cylinder support 15; the boom reinforcement sleeve 2 is used to install the boom, and the force of the boom is transmitted to the main bracket 1 through the boom reinforcement sleeve 2, the large side plate 3 of the dump bucket cylinder and the left wall plate 17; The strengthening sleeve 5 is used to install the bucket cylinder, and the force of the bucket cylinder is transmitted to the main bracket 1 through the bucket cylinder reinforcement sleeve 5, the large side plate 3 of the bucket cylinder and the small side plate 4 of the bucket cylinder; the rear frame reinforcement sleeve 8 is used to install the rear frame, and the force of the rear frame is transmitted to the main bracket 1 through the rear frame reinforcement sleeve 8, the upper hinged plate 6 and the lower hinged plate 9; the steering cylinder reinforcement sleeve 7 is used to install the steering cylinder, and the force of the steering cylinder is transmitted to the main bracket 1 through the steering cylinder reinforcement sleeve 7, the upper hinged plate 6 and the large side plate 3 of the bucket cylinder.
[0020] The front frame of the small scraper loader described in the utility model is a box-type structure formed by welding the main bracket 1, the left wall panel 17, the right wall panel 10 and the lower hinged plate 9. The overall structural stability is good and the bearing capacity is strong. It is easy to manufacture by welding a plurality of plates.
[0021] Embodiment 2:
[0022] like Figure 1 , Figure 2 As shown, based on Example 1,
[0023] Preferably, a slot 22 is provided at the rear end of the main bracket 1, and the large side plate 3 of the bucket cylinder is clamped in the slot 22. The edge of the slot 22 is welded to the two side walls of the large side plate 3 of the bucket cylinder, which can increase the structural strength of the upper hinge plate 6 and the large side plate 3 of the bucket cylinder and improve the bearing capacity of the two.
[0024] Preferably, the left wall panel 17 and the right wall panel 10 are both welded with lifting ears 20 to facilitate the lifting of the utility model;
[0025] Preferably, mud guards 21 are welded on the left wall panel 17 and the right wall panel 10 to play a protective role;
[0026] Preferably, a left wall panel reinforcement plate 19 is welded on the left wall panel 17, and a right wall panel reinforcement plate 11 is welded on the right wall panel 10. The left wall panel reinforcement plate 19 can increase the stress-bearing area of the left bridge plate 18, prevent stress concentration between the left bridge plate 18 and the left wall panel 17, and improve the bearing capacity of the left bridge plate 18; the right wall panel reinforcement plate 11 can increase the stress-bearing area of the right bridge plate 12, prevent stress concentration between the right bridge plate 12 and the right wall panel 10, and improve the bearing capacity of the right bridge plate 12;
[0027] Preferably, the lower end of the front side wall of the main bracket 1 is bent forward, and a reinforcing steel pipe 13 is welded at the corresponding corner. A bayonet 23 corresponding to the reinforcing steel pipe 13 is provided on the lifting cylinder support 15, and the edge of the bayonet 23 is welded to the reinforcing steel pipe 13. The arrangement of the reinforcing steel pipe 13 can increase the force-bearing area of the lifting cylinder support 15 and improve the bearing capacity of the lifting cylinder support 15;
[0028] Preferably, a plurality of reinforcing ribs 14 are welded at the corresponding bending parts on the front side of the main bracket 1, and a triangular force-bearing structure is formed between the reinforcing ribs 14 and the front side wall of the main bracket 1, which can ensure the stability of the front end structure of the main bracket 1 and improve the bearing capacity of the front end of the main bracket 1.
[0029] It is particularly noted that in the description of the present invention, the terms "left", "right", "up", "down", etc., which indicate directions or positional relationships, are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
Claims
1. A front frame of a small scraper, characterized in that: The invention comprises a door frame-type main bracket (1), a lifting cylinder support (15) is welded to the front side of the main bracket (1), a lifting cylinder reinforcement sleeve (16) is fixedly connected to the lifting cylinder support (15), a left wall panel (17) and a right wall panel (10) are respectively welded to the left and right sides of the main bracket (1), a left bridge panel (18) and a right bridge panel (12) are respectively fixed to the left wall panel (17) and the right wall panel (10), the left bridge panel (18) and the right bridge panel (12) correspond to each other on the left and right sides, a lower hinged plate (9) is welded to the bottom of the main bracket (1), and the left and right sides of the lower hinged plate (9) are respectively connected to the left wall panel (17) and the right wall panel (10). 0) welding, an upper hinged plate (6) is welded to the rear side of the main bracket (1), a steering cylinder reinforcement sleeve (7) is connected to the upper hinged plate (6), a rear frame reinforcement sleeve (8) is correspondingly connected to the upper hinged plate (6) and the lower hinged plate (9), a small side plate (4) of the bucket cylinder is welded to the top of the upper hinged plate (6), a large side plate (3) of the bucket cylinder is welded between the upper hinged plate (6) and the main bracket (1), a bucket cylinder reinforcement sleeve (5) is correspondingly connected to the large side plate (3) of the bucket cylinder and the small side plate (4) of the bucket cylinder, and a large arm reinforcement sleeve (2) is correspondingly connected to the large side plate (3) of the bucket cylinder and the left wall plate (17).
2. The front frame of the small scraper according to claim 1 is characterized in that: The rear end of the main bracket (1) is provided with a slot (22), the large side plate (3) of the bucket cylinder is clamped in the slot (22), and the edge of the slot (22) is welded to the two side walls of the large side plate (3) of the bucket cylinder.
3. The front frame of the small scraper according to claim 1, characterized in that: The left wall panel (17) and the right wall panel (10) are both welded with lifting ears (20).
4. The front frame of the small scraper according to claim 1 is characterized in that: The left wall panel (17) and the right wall panel (10) are both welded with mud guards (21).
5. The front frame of the small scraper according to claim 1 is characterized in that: A left wall panel reinforcement plate (19) is welded to the left wall panel (17), and a right wall panel reinforcement plate (11) is welded to the right wall panel (10).
6. The front frame of the small scraper according to any one of claims 1 to 5, characterized in that: The lower end of the front side wall of the main bracket (1) is bent forward, and a reinforcing steel pipe (13) is welded at the corresponding corner. A bayonet (23) corresponding to the reinforcing steel pipe (13) is provided on the lifting cylinder support (15), and the edge of the bayonet (23) is welded to the reinforcing steel pipe (13).
7. The front frame of the small scraper according to claim 6, characterized in that: A plurality of reinforcing rib plates (14) are welded at the corresponding bending positions on the front side of the main bracket (1).