Expressway construction and maintenance loading machine

Abstract

The invention discloses an expressway construction and maintenance loading machine which comprises a loading machine body, a movable arm is rotationally connected to the upper side of the loading machine body, a loading hopper is arranged on the front side of the movable arm, a power hydraulic rod is rotationally connected to the lower side of the movable arm, and a slicking structure is arranged on the front side of the loading machine body. A first assembly base is arranged on the upper side of the loader cab, and a power recovery structure is installed on the upper side of the first assembly base. The invention relates to the technical field of expressway construction equipment, an adjustable scraper structure is additionally arranged on the front side of a loader body, in the expressway construction process, scraping and repairing of a pavement base layer can be achieved, the multifunctionality and the working efficiency of the loader are improved, the scraper structure is integrally adjustable, the scraping efficiency is further improved, and the working efficiency is improved. And meanwhile, a third assembling base is arranged on the rear side of the assembling machine body, other structures can be installed, and the multifunctionality of the assembling frame body is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of highway construction, in particular to a highway construction and maintenance loader. Background Art

[0002] When a loader is working on a highway, the boom needs to be frequently raised and lowered. During this process, the engine is required to provide power. However, the boom's gravitational potential energy is easily wasted, which can easily lead to problems such as excessive fuel consumption.

[0003] At the same time, traditional loaders have a single structure. When performing maintenance operations on highways, hydraulic compaction, scraping and other operations need to be performed separately. The above operations require at least two devices to implement separately, which can easily slow down the construction progress and cause waste of resources. Summary of the Invention

[0004] The present invention provides a loader suitable for highway construction and maintenance, which has the characteristics of strong practicality and high energy transmission efficiency.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A highway construction and maintenance loader, comprising a loader body, a boom rotatably connected to the upper side of the loader body, a loading bucket provided at the front side of the boom, a power hydraulic rod rotatably connected to the lower side of the boom, a scraping structure provided at the front side of the loader body, a first assembly seat provided at the upper side of the loader cab, and a power recovery structure installed at the upper side of the first assembly seat;

[0006] The scraping structure includes a second assembly seat arranged on the front side of the loader body, the rear side of the second assembly seat is connected to the front side of the loader body by bolts, electric push rods are provided on both sides above the second assembly seat, a slide groove is provided on the upper side of the second assembly seat, a moving seat is slidably connected to the slide groove, limited parts are provided on both sides above the moving seat, and adjustable hydraulic push rods are provided on both sides below the moving seat, a lifting seat is provided on the lower side of the adjusting hydraulic push rod, and a main scraper is provided on the lower side of the lifting seat;

[0007] Expansion plates are rotatably connected on both sides of the lifting seat, side scrapers are provided on the lower side of the expansion plate, and a clamping frame corresponding to the limit part is provided on the upper side of the expansion plate. Guide grooves are provided on both sides below the second assembly seat, and guide plates slidably connected to the guide grooves are provided on both sides above the lifting seat. The rotatable connections between the two sides of the lifting seat and the expansion plate are equipped with movably removable limit frames, and multiple threaded holes are provided on both sides of the lifting seat and one side of the expansion plate. Fixing screws corresponding to the threaded holes are inserted on the upper side of the limit frame and the front and rear sides of the limit frame.

[0008] As a preferred embodiment of the above scheme, the power recovery structure includes a connecting seat installed on the upper side of the first assembly seat, an oil tank is provided in the middle part of the upper side of the connecting seat, rotating seats are symmetrically provided on both sides above the connecting seat, a connecting cylinder is provided on the upper side of the rotating seat, an end cover is provided on the upper side of the connecting cylinder, a first transmission rod is plugged into the upper side of the end cover, one end of the first transmission rod is connected to a movable plug, a fixed seat is provided on the inner side of the movable arm, and the other side of the first transmission rod is rotatably connected to the fixed seat;

[0009] An assembly block is provided on the outer surface of the connecting cylinder, a cavity is provided in the assembly block, a second transmission rod is inserted into the upper side of the cavity, a spring is provided on the lower side of the cavity, a pull block is provided on one side of the second transmission rod, the pull block is connected to the spring, and the other side of the first transmission rod is connected to the other side of the second transmission rod through a connecting piece;

[0010] A first connecting pipe is connected to the upper side of the connecting cylinder, and two symmetrically arranged oil chambers are provided inside the oil tank. Control valves corresponding to the oil chambers are provided on both sides above the oil tank. One side of the first connecting pipe is connected to the control valve through a hose. A second connecting pipe is provided on the lower side of the connecting cylinder, and one side of the second connecting pipe is connected to the inside of the oil chamber.

[0011] It is further preferred that the limiting portion includes a hinged seat arranged on one side above the movable seat, the upper side of the hinged seat is rotatably connected to a rotating frame, one end of the rotating frame is provided with a fixed cylinder, the outer end of the fixed cylinder is screwed with an adjusting screw, and the outer end of the adjusting screw is fixedly provided with a clamping disk.

[0012] In the above solution: first reinforcing ribs are provided on both sides above the first assembly seat.

[0013] In the above solution: the outer end of the side scraper is provided with an inclined scraper inclined forward.

[0014] In the above solution: two front and rear positioning holes are provided on the first assembly seat, and a positioning rod corresponding to the positioning holes is provided on the middle part of the upper side of the movable seat.

[0015] In the above solution: a third assembly seat is provided on the rear side of the assembly machine body.

[0016] In the above solution: second reinforcing ribs are provided on both sides below the first assembly seat.

[0017] In the above solution: a fixing frame is provided on the upper side of the assembly block and is sleeved on the outside of the first connecting pipe.

[0018] In the above solution: a rough layer is provided on the inner side of the clamping disk.

[0019] Beneficial effects of the present invention:

[0020] 1. By adding an adjustable scraper structure on the front side of the loader body, the road base can be leveled and repaired during highway construction, improving the loader's versatility and operating efficiency. The overall adjustable scraper structure further increases the leveling efficiency. At the same time, a third assembly seat is set on the rear side of the assembly machine body, which can also load other structures, further increasing the versatility of the assembly frame body.

[0021] 2. A power recovery structure is set on the upper side of the assembly machine body to recover and store the gravitational potential energy generated during the lowering of the boom, reducing energy loss. At the same time, it has a simple structure and high energy transmission efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the first three-dimensional structure of the present invention.

[0023] Figure 2 It is a schematic diagram of the second three-dimensional structure of the present invention.

[0024] Figure 3 It is a schematic diagram of the first three-dimensional structure of the scraping structure of the present invention.

[0025] Figure 4 It is a schematic diagram of the second three-dimensional structure of the scraping structure of the present invention.

[0026] Figure 5 For the present invention Figure 4 Enlarged view of point A in the middle.

[0027] Figure 6 It is a schematic diagram of the third three-dimensional structure of the scraping structure of the present invention.

[0028] Figure 7 It is a schematic diagram of the three-dimensional structure of the power recovery structure of the present invention.

[0029] Figure 8 This is a schematic cross-sectional view of the power recovery structure of the present invention.

[0030] In the figure: 1. Loader body, 2. Boom, 3. Loading bucket, 4. Power hydraulic rod, 5. First assembly seat, 6. Second assembly seat, 7. Electric push rod, 8. Moving seat, 9. Adjustment hydraulic push rod, 10. Lifting seat, 11. Main scraper, 12. Expansion plate, 13. Side scraper, 14. Bracket, 15. Guide groove, 16. Guide plate, 17. Limiting frame, 18. Connecting seat, 19. Fuel tank, 20. Rotating seat, 21. Connecting cylinder, 22. End cover, 23. First transmission rod, 24. Dynamic plug, 25, fixed seat, 26, assembly block, 27, cavity, 28, second transmission rod, 29, spring, 30, pull block, 31, first connecting pipe, 32, control valve, 33, hose, 34, second connecting pipe, 35, hinged seat, 36, rotating frame, 37, fixed cylinder, 38, positioning hole, 39, adjusting screw, 40, clamping plate, 41, first reinforcing rib, 42, inclined scraper, 43, positioning rod, 44, third assembly seat, 45, second reinforcing rib, 46, fixed frame. DETAILED DESCRIPTION

[0031] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0032] like Figure 1-8 As shown, a highway construction and maintenance loader includes a loader body 1, a boom 2 is rotatably connected to the upper side of the loader body 1, a loading bucket 3 is provided on the front side of the boom 2, a power hydraulic rod 4 is rotatably connected to the lower side of the boom 2, a leveling structure is provided on the front side of the loader body 1, a first assembly seat 5 is provided on the upper side of the loader cab, and a power recovery structure is installed on the upper side of the first assembly seat 5.

[0033] The scraping structure includes a second assembly seat 6 arranged on the front side of the loader body 1. The rear side of the second assembly seat 6 is connected to the front side of the loader body 1 by bolts. Electric push rods 7 are provided on both sides above the second assembly seat 6. A slide groove is provided on the upper side of the second assembly seat. The slide groove is slidably connected to a moving seat 8. Limiting parts are provided on both sides above the moving seat 8. Adjustable hydraulic push rods 9 are provided on both sides below the moving seat 8. A lifting seat 10 is provided on the lower side of the adjusting hydraulic push rod 9, and a main scraper 11 is provided on the lower side of the lifting seat 10.

[0034] Extension plates 12 are rotatably connected to both sides of the lifting base 10. Side scrapers 13 are provided on the lower side of the extension plates 12, and brackets 14 corresponding to the limiter portions are provided on the upper side of the extension plates 12. Guide grooves 15 are provided on both sides below the second assembly base 6, and guide plates 16 are provided on both sides above the lifting base 10, which are slidably connected to the guide grooves 15.

[0035] Removable and removable stoppers 17 are installed at the pivoting connection between the lifting base 10 and the expansion plate 12 on either side. Multiple threaded holes are provided on both sides of the lifting base 10 and one side of the expansion plate 12. Set screws corresponding to these holes are inserted into the top and front and back of the stoppers 17. The stoppers 17 are shaped like an "N" with the lower opening facing downward. They snap into place at the pivoting connection between the lifting base 10 and the expansion plate 12 from top to bottom, and the set screws prevent relative rotation between the two. When the expansion plate 12 needs to be rotated and folded upward, the stoppers 17 can be removed.

[0036] The limiting part includes an articulated seat 35 arranged on one side above the movable seat 8. The upper side of the articulated seat 35 is rotatably connected to a rotating frame 36. A fixed cylinder 37 is provided at one end of the rotating frame 36. An adjusting screw 39 is installed on the outer end of the fixed cylinder 37 through a threaded engagement. A clamping disk 40 is fixedly provided on the outer end of the adjusting screw 39.

[0037] The power recovery structure includes a connecting seat 18 installed on the upper side of the first assembly seat 5, an oil tank 19 is provided in the middle part of the upper side of the connecting seat 18, and rotating seats 20 are symmetrically provided on both sides above the connecting seat 18. A connecting cylinder 21 is provided on the upper side of the rotating seat 20, and an end cover 22 is provided on the upper side of the connecting cylinder 21. A first transmission rod 23 is inserted on the upper side of the end cover 22, and one end of the first transmission rod 23 is connected to a movable plug 24. A fixed seat 25 is provided on the inner side of the boom 2, and the other side of the first transmission rod 23 is rotatably connected to the fixed seat 25.

[0038] The outer sleeve of the connecting tube 21 is provided with an assembly block 26, and a cavity 27 is provided in the assembly block 26. The second transmission rod 28 is inserted into the upper side of the cavity 27, and a spring 29 is provided on the lower side of the cavity 27. A pull block 30 is provided on one side of the second transmission rod 28, and the pull block 30 is connected to the spring 29. The other side of the first transmission rod 23 is connected to the other side of the second transmission rod 28 through a connecting plate.

[0039] A first connecting pipe 31 is connected to the upper side of the connecting cylinder 21, and two symmetrically arranged oil chambers are provided inside the oil tank 19. Control valves 32 corresponding to the oil chambers are provided on both sides above the oil tank 19. One side of the first connecting pipe 31 is connected to the control valve 32 through a hose 33. A second connecting pipe 34 is provided on the lower side of the connecting cylinder 21, and one side of the second connecting pipe 34 is connected to the inside of the oil chamber.

[0040] It should be noted that: during the construction and maintenance of the highway, a loader body 1 is required. A second assembly seat 6 is installed on the front side of the loader body 1. When it is necessary to perform a smoothing and maintenance operation on the highway pavement, the electric push rod 7 can be controlled to operate, driving the moving seat 8 and the components located on the lower side of the moving seat 8 to move along the slide groove on the second assembly seat 6, and causing the lifting seat 10 and the components located on both sides of the lifting seat 10 to extend from the front side of the assembly machine body, so that the lifting seat 10 maintains a distance from the front wheel of the assembly machine body to prevent the two from interfering with each other in movement.

[0041] Then, the hydraulic push rod 9 is adjusted to drive the lifting seat 10 to descend, and the main scraper 11 located on the lower side of the lifting seat 10 is lowered to a specified height. Then, the operator can rotate the adjusting screw 39 to make the adjusting screw 39 drive the clamping plate 40 to rotate outward a certain distance, thereby loosening the inner plate of the clamping frame 14, and rotate the rotating frame 36 with the hinge seat 35 as the center of the circle to separate the clamping plate 40 from the clamping frame 14. Then, the operator rotates the expansion plate 12 and buckles it into the limit frame 17 to keep the expansion plate 12 horizontal. At this time, the side scraper 13, the inclined scraper 42 and the main scraper 11 are kept at the same level. Then, the loader body 1 can be controlled to perform the scraping and maintenance operation on the highway construction road surface.

[0042] The first reinforcing ribs 41 on both sides above the first assembly seat 5 and the second reinforcing ribs 45 on both sides below the first assembly seat 5 can increase the overall strength of the second assembly seat 6 to prevent the second assembly seat 6 from loosening due to uneven force during the scraping process. The outer end of the side scraper 13 is provided with a forward-inclined inclined scraper 42, which can enhance the road scraping effect by cooperating with the side scraper 13 and the main scraper 11.

[0043] The second assembly base 6 is provided with two front and rear positioning holes 38, corresponding to the extended position (working position) and retracted position for the scraping and curing operation. A positioning rod 43 corresponding to the positioning hole is provided in the upper middle portion of the movable base 8. After the position of the movable base 8 is adjusted, the operator can insert the positioning rod 43 into the positioning hole to fix the position of the movable base 8 and prevent it from shaking. The inner surface of the clamping plate 40 is provided with a rough layer to increase the friction between the clamping plate 40 and the bracket 14, thereby enhancing the fixing effect of the expansion plate 12.

[0044] After the scraping operation is completed, the operator can remove the limit frame 17 and reposition the expansion plate 12 through the limit portion. At this time, the movable seat 8 and other components are retracted to the front side of the loader body 1 without interfering with the loading bucket 3 and the boom 2 on the front side of the loader body 1.

[0045] When the power hydraulic rod 4 drives the boom 2 to descend, the boom 2 will pull the first transmission rod 23 through the fixed seat 25, and pull the second transmission rod 28 through the connecting piece. At this time, the second transmission rod 28 will stretch the spring 29 through the pulling block 30, so that the gravitational potential energy generated by the boom 2 at this time can be absorbed. At the same time, the interior of the connecting cylinder 21 is filled with hydraulic oil, and the connecting cylinder 21 is connected to the interior of the oil tank 19 through the first connecting pipe 31, the hose 33 and the second connecting pipe 34. Then, when the boom 2 pulls the first transmission rod 23, the hydraulic oil on the upper side of the movable plug 24 will be passed into the interior of the oil tank 19. At the same time, the hydraulic oil in the oil tank 19 will enter the lower side of the inner wall of the connecting cylinder 21 through the second connecting pipe 34. After the boom 2 completes the lifting operation, the operator can control the control valve 32 to close. At this time, the hydraulic oil is in a static state, and the energy absorbed by the spring 29 when it is stretched can be stored.

[0046] When the boom 2 needs to be raised, the control valve 32 can be controlled to open, and the energy stored in the spring 29 can be released, ultimately realizing the storage and utilization of energy and avoiding energy waste. At the same time, the above-mentioned components are connected to the first assembly seat 5 through the connecting seat 18, and the whole is detachable, which is convenient for operators to perform maintenance and other operations. The volume of components such as the assembly block 26 and the connecting tube 21 is small enough and will not cause obstruction or interference to the cab.

[0047] A third assembly seat 44 is provided at the rear side of the assembly machine body, and an operator can install structures with other functions on the third assembly seat 44 to further increase the multifunctionality of the loader body 1 .

[0048] A fixing bracket 46 is provided on the upper side of the assembly block 26 and is sleeved on the outside of the first connecting tube 31 for fixing the fixing bracket 46. At the same time, the hose 33 and the second connecting tube 34 also adopt deformable flexible tubes. When the connecting tube 21 rotates, the connecting tube 21 and the oil tank 19 will always be kept connected.

[0049] A rough layer is provided on the inner side of the clamping plate 40 to increase the friction between the clamping plate 40 and the bracket 14 , thereby increasing the fixing effect of the expansion plate 12 . The guide groove 15 cooperates with the guide piece 16 to further increase the stability of the lifting seat 10 .

[0050] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A highway construction and maintenance loader, comprising a loader body (1), characterized in that: The upper side of the loader body (1) is rotatably connected to a boom (2), a loading bucket (3) is provided on the front side of the boom (2), a power hydraulic rod (4) is rotatably connected to the lower side of the boom (2), a scraping structure is provided on the front side of the loader body (1), a first assembly seat (5) is provided on the upper side of the loader cab, and a power recovery structure is installed on the upper side of the first assembly seat (5); The scraping structure includes a second assembly seat (6) arranged on the front side of the loader body (1), the rear side of the second assembly seat (6) is connected to the front side of the loader body (1) by bolts, electric push rods (7) are arranged on both sides above the second assembly seat (6), a slide groove is opened on the upper side of the second assembly seat, and the slide groove is slidably connected to a moving seat (8), and limited parts are arranged on both sides above the moving seat (8), and adjusting hydraulic push rods (9) are arranged on both sides below the moving seat (8), and a lifting seat (10) is arranged on the lower side of the adjusting hydraulic push rod (9), and a main scraper (11) is arranged on the lower side of the lifting seat (10); The lifting seat (10) is rotatably connected to an expansion plate (12) on both sides, a side scraper (13) is provided on the lower side of the expansion plate (12), a clamping frame (14) corresponding to the limit portion is provided on the upper side of the expansion plate (12), and a guide groove (15) is provided on both sides below the second assembly seat (6). Guide plates (16) slidably connected to the guide groove (15) are provided on both sides above the lifting seat (10). The rotatable connection between the two sides of the lifting seat (10) and the expansion plate (12) is equipped with a movable and detachable limit frame (17). A plurality of threaded holes are provided on both sides of the lifting seat (10) and one side of the expansion plate (12), and fixing screws corresponding to the threaded holes are inserted into the upper side of the limit frame (17) and the front and rear sides of the limit frame (17).

2. A highway construction and maintenance loader according to claim 1, characterized in that: The power recovery structure comprises a connecting seat (18) mounted on the upper side of the first assembly seat (5), an oil tank (19) is provided on the middle part of the upper side of the connecting seat (18), rotating seats (20) are symmetrically provided on both sides above the connecting seat (18), a connecting cylinder (21) is provided on the upper side of the rotating seat (20), an end cover (22) is provided on the upper side of the connecting cylinder (21), a first transmission rod (23) is plugged into the upper side of the end cover (22), one end of the first transmission rod (23) is connected to a movable plug (24), a fixed seat (25) is provided on the inner side of the movable arm (2), and the other side of the first transmission rod (23) is rotatably connected to the fixed seat (25); The outer cover of the connecting cylinder (21) is provided with an assembly block (26), a cavity (27) is provided in the assembly block (26), a second transmission rod (28) is inserted into the upper side of the cavity (27), a spring (29) is provided in the lower side of the cavity (27), a pull block (30) is provided on one side of the second transmission rod (28), the pull block (30) is connected to the spring (29), and the other side of the first transmission rod (23) is connected to the other side of the second transmission rod (28) via a connecting piece; The upper side of the connecting cylinder (21) is connected to a first connecting pipe (31), and two symmetrically arranged oil chambers are provided inside the oil tank (19). Control valves (32) corresponding to the oil chambers are provided on both sides above the oil tank (19). One side of the first connecting pipe (31) is connected to the control valve (32) through a hose (33). A second connecting pipe (34) is provided on the lower side of the connecting cylinder (21), and one side of the second connecting pipe (34) is connected to the inside of the oil chamber.

3. A highway construction and maintenance loader according to claim 1, characterized in that: The limiting portion includes an articulated seat (35) arranged on one side above the movable seat (8); a rotating frame (36) is rotatably connected to the upper side of the articulated seat (35); a fixed cylinder (37) is provided at one end of the rotating frame (36); an adjusting screw (39) is installed on the outer end of the fixing cylinder (37) through threaded engagement; and a clamping disc (40) is fixedly provided on the outer end of the adjusting screw (39).

4. A highway construction and maintenance loader according to claim 1, characterized in that: First reinforcing ribs (41) are provided on both sides above the first assembly seat (5).

5. The highway construction and maintenance loader according to claim 1, characterized in that: The outer end of the side scraper (13) is provided with an inclined scraper (42) inclined forward.

6. A highway construction and maintenance loader according to claim 1, characterized in that: Two front and rear positioning holes (38) are provided on the first assembly seat (5), and a positioning rod (43) corresponding to the positioning hole (38) is provided on the middle portion of the upper side of the movable seat (8).

7. The highway construction and maintenance loader according to claim 1, characterized in that: A third assembly seat (44) is provided on the rear side of the assembly machine body.

8. The highway construction and maintenance loader according to claim 1, characterized in that: Second reinforcing ribs (45) are provided on both sides below the first assembly seat (5).

9. The highway construction and maintenance loader according to claim 1, characterized in that: A fixing frame (46) is provided on the upper side of the assembly block (26) and is sleeved on the outside of the first connecting pipe (31).

10. The highway construction and maintenance loader according to claim 1, characterized in that: A rough layer is provided on the inner side of the clamping disc (40).

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