Anti-collision device for land leveler

Abstract

The utility model discloses an anti-collision device for a land leveler, which belongs to the technical field of anti-collision of land levelers and comprises a cab, an engine, a connecting frame, a land leveling component and a front frame, the engine is positioned at the rear end of the cab, the connecting frame is mounted at the front end of the cab, the front frame is positioned at the front end of the connecting frame, and the land leveling component is mounted on the connecting frame and the front frame. A clamping cavity is formed in the front end of the front frame, a limiting hole is formed in the cavity wall of the clamping cavity, a limiting rod is installed in the limiting hole, the two ends of the limiting rod are connected with movable rods, a fixing block is installed on the side wall of the front frame, the movable rods are inserted into holes in the end face of the fixing block, and rod bodies of the movable rods are sleeved with reset springs. The clamping cavity and the limiting hole are formed in the front frame of the land leveler, the movable frame can be installed in the clamping cavity through the limiting rod, the reset spring and the movable rod, stretching and retracting of the movable frame can be achieved, resetting is achieved through the reset spring, the anti-collision rod and the buffering sleeve are arranged on the movable frame, and the anti-collision protection performance of equipment is improved through the anti-collision rod and the buffering sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-collision for graders, in particular to an anti-collision device for graders. Background Art

[0002] A motor grader is an earth-moving machine that uses a scraper to level the ground. It is the main machine used for shaping and leveling operations in earthwork projects.

[0003] The utility model with Chinese patent publication number CN216238703U discloses a grader anti-collision structure, including a base, two anti-collision structures are installed on the upper and lower sides of the front end of the base, and an early warning structure is installed in the middle part of the front end of the base; two anti-collision structures, one of which includes: two folded tubes, a connecting frame, an anti-collision plate, two rubber connecting blocks, a sponge filling layer, a plurality of airbags, a buffer component and two springs; two folded tubes are installed at the front end of the base, the two sides of the rear end of the connecting frame are plugged with the two folded tubes, the anti-collision plate is located at the front end of the connecting frame, one end of the two rubber connecting blocks is connected to the rear end of the anti-collision plate, and the other end is connected to the front end of the connecting frame, the sponge filling layer is arranged between the anti-collision plate and the connecting frame, the plurality of airbags are arranged inside the sponge filling layer, and one end of the buffer component One end is installed at the rear end of the connecting plate, and the other end is installed at the front end of the base. The two springs are respectively installed inside the two corrugated tubes, and the two springs are connected to the two sides of the rear end of the connecting frame. The technical solution adopts two anti-collision structures and an early warning structure. The early warning structure is used to send an early warning signal to the driver when the distance between the grader equipment and the obstacle is too close. At the same time, the two anti-collision structures can protect the grader equipment as a whole to prevent large-scale damage to the grader equipment and threats to the safety of the driver in the event of a collision. It has the advantages of simple operation and safe operation, and solves the problem in the prior art that the operator's line of sight is affected by the position of the cab when operating the grader, and the distance between the front and rear sides of the grader and the obstacle cannot be clearly observed.

[0004] The existing leveling assembly is installed at the front end of the cab, and the anti-collision mechanism is installed on the front end bracket of the cab. When the anti-collision mechanism is used, it is necessary to pay attention to the line of sight and the normal use of the anti-collision function. Utility Model Content

[0005] The main purpose of the utility model is to provide an anti-collision device for a grader, which can effectively solve the problems raised in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] An anti-collision device for a grader comprises a cab, an engine, a connecting frame, a grader assembly and a front frame, wherein the engine is located at the rear end of the cab, the connecting frame is installed at the front end of the cab, the front frame is located at the front end of the connecting frame, the grader assembly is installed on the connecting frame and the front frame, a clamping cavity is opened at the front end of the front frame, and a limit hole is opened on the cavity wall of the clamping cavity, a limit rod is installed in the limit hole, and movable rods are connected to both ends of the limit rod, a fixing block is installed on the side wall of the front frame, the movable rod is inserted into the end face opening of the fixing block, and a return spring is sleeved on the rod body of the movable rod;

[0008] The rod body of the limit rod is located in the clamping cavity and a movable frame is installed, and a waist hole is opened at the lower part of the side wall of the movable frame, an anti-collision rod is inserted into the hole of the waist hole, and the rod body of the anti-collision rod is covered with a buffer sleeve.

[0009] In a further preferred embodiment of the present application, the connecting frame and the front frame are integrally designed, and the front frame and the fixing block are fixed by welding, the movable frame is adapted to the clamping cavity, and the movable frame is arranged in an "L" shape;

[0010] In a further preferred embodiment of the present application, the limit rod is divided into a round rod portion and a side disc portion, the two side disc portions are mounted on the end of the round rod portion, the openings of the two side disc portions are directly opposite to the openings on the fixed block, the movable rod is fixed to the side disc portion, and a nut is provided on the rod head of the movable rod, the limit rod and the limit hole are smoothly arranged, and the movable rod and the fixed block are smoothly arranged;

[0011] In a further preferred embodiment of the present application, one end of the return spring is fixed to the fixed block by bolts, and the other end of the return spring is fixed to both ends of the limit rod by bolts;

[0012] In a further preferred embodiment of the present application, threads are arranged at both ends of the anti-collision rod, and nut limiting buffer sleeves are arranged at both ends of the anti-collision rod, and the anti-collision rod and the movable frame are smoothly arranged;

[0013] According to a further preferred embodiment of the present application, the buffer sleeve is provided in a cylindrical shape, and the buffer sleeve and the anti-collision rod are bonded and connected.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the utility model, a clamping cavity and a limiting hole are provided at the front frame of the grader, and a movable frame can be installed at the clamping cavity through a limiting rod, a reset spring and a movable rod, so that the movable frame can be extended and retracted and reset through the reset spring. An anti-collision rod and a buffer sleeve are arranged on the movable frame, and the anti-collision rod and the buffer sleeve are used to improve the anti-collision protection performance of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a display diagram of the connecting frame, front frame, ground-level assembly and movable frame of the utility model;

[0018] Figure 3 This is a display diagram of the front frame, movable frame and return spring of the utility model;

[0019] Figure 4 It is a schematic diagram of the movable frame, the anti-collision rod and the buffer sleeve of the utility model.

[0020] In the figure: 1. cab; 2. engine; 3. connecting frame; 4. leveling assembly; 5. front frame; 6. limiting hole; 7. movable frame; 8. fixing block; 9. limiting rod; 10. return spring; 11. movable rod; 12. waist hole; 13. anti-collision rod; 14. buffer sleeve; 15. clamping cavity. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1 - Figure 4 As shown, an anti-collision device for a grader includes a cab 1, an engine 2, a connecting frame 3, a grader assembly 4 and a front frame 5. The engine 2 is located at the rear end of the cab 1, the connecting frame 3 is installed at the front end of the cab 1, the front frame 5 is located at the front end of the connecting frame 3, the grader assembly 4 is installed on the connecting frame 3 and the front frame 5, wheels are installed at the cab 1 and the engine 2, and the equipment can be moved by the wheels. The grader assembly 4 is installed on the connecting frame 3 and the front frame 5 by fasteners, and the grader assembly 4 uses a scraper to level the ground.

[0023] A clamping cavity 15 is provided at the front end of the front frame 5, and a limit hole 6 is provided on the cavity wall of the clamping cavity 15. A limit rod 9 is installed in the limit hole 6, and movable rods 11 are connected to both ends of the limit rod 9. A fixing block 8 is installed on the side wall of the front frame 5. The limit rod 9 is divided into a round rod portion and a side plate portion. The two side plate portions are installed at the end of the round rod portion. The openings of the two side plate portions are opposite to the openings on the fixing block 8. The movable rod 11 is fixed to the side plate portion, and a nut is provided on the rod head of the movable rod 11. The connecting frame 3 and the front frame 5 are designed as an integrated whole. The front frame 5 and the fixing block 8 are welded and fixed. The movable rod 11 is inserted into the end surface opening of the fixing block 8, and the rod body of the movable rod 11 is provided with Reset spring 10; one end of the reset spring 10 is fixed to the fixed block 8 by bolts, and the other end of the reset spring 10 is fixed to the two ends of the limit rod 9 by bolts; the limit rod 9 and the limit hole 6 are smoothly arranged, and the movable rod 11 is smoothly arranged with the fixed block 8. During installation, the limit rod 9 is inserted into the limit hole 6, the movable rod 11 and the limit rod 9 are fixedly connected, and the other end of the movable rod 11 is inserted into the end surface opening of the fixed block 8. The rod head of the movable rod 11 is sleeved with a nut to realize the limiting of the rod, the reset spring 10 is sleeved on the movable rod 11, the limit rod 9 is inserted into the end surface opening of the movable frame 7, and the movable frame 7 is installed in the clamping cavity 15;

[0024] The rod body of the limit rod 9 is located in the clamping cavity 15 and a movable frame 7 is installed. The movable frame 7 is adapted to the clamping cavity 15, and the movable frame 7 is set in an "L" shape; a waist hole 12 is opened at the lower part of the side wall of the movable frame 7, and an anti-collision rod 13 is inserted into the hole of the waist hole 12, and a buffer sleeve 14 is provided on the rod body of the anti-collision rod 13; threads are set at both ends of the anti-collision rod 13, and nuts are set at both ends of the anti-collision rod 13 to limit the buffer sleeve 14, and the anti-collision rod 13 and the movable frame 7 are smoothly set; the buffer sleeve 1 4 is arranged in a cylindrical shape, and the buffer sleeve 14 and the anti-collision rod 13 are bonded and connected; in actual use, the movable frame 7 is compressed, and the movable frame 7 moves toward the clamping cavity 15, thereby driving the limit rod 9 to move toward the fixed block 8. At this time, the reset spring 10 is compressed. When the movable frame 7 is compressed, the anti-collision at this place is effectively achieved. Since the anti-collision rod 13 and the buffer sleeve 14 are arranged at the front end of the movable frame 7, the buffer sleeve 14 and the anti-collision rod 13 can be used to further improve the anti-collision performance at this place.

[0025] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. However, the terms "include", "comprises" or any other variations are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or include elements that are inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device that includes the elements.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An anti-collision device for a grader, comprising a cab (1), an engine (2), a connecting frame (3), a grader assembly (4) and a front frame (5), wherein the engine (2) is located at the rear end of the cab (1), the connecting frame (3) is mounted at the front end of the cab (1), the front frame (5) is located at the front end of the connecting frame (3), and the grader assembly (4) is mounted on the connecting frame (3) and the front frame (5), characterized in that: The front end of the front frame (5) is provided with a clamping cavity (15), and the cavity wall of the clamping cavity (15) is provided with a limit hole (6), a limit rod (9) is installed in the limit hole (6), and both ends of the limit rod (9) are connected to movable rods (11), a fixing block (8) is installed on the side wall of the front frame (5), the movable rod (11) is inserted into the end surface opening of the fixing block (8), and the rod body of the movable rod (11) is sleeved with a return spring (10); A movable frame (7) is installed on the rod body of the limit rod (9) and is located in the clamping cavity (15), and a waist hole (12) is opened at the lower part of the side wall of the movable frame (7), an anti-collision rod (13) is inserted into the hole of the waist hole (12), and a buffer sleeve (14) is provided on the rod body of the anti-collision rod (13).

2. The anti-collision device for a motor grader according to claim 1, characterized in that: The connecting frame (3) and the front frame (5) are designed as an integral whole, and the front frame (5) and the fixing block (8) are fixed by welding. The movable frame (7) is adapted to the clamping cavity (15), and the movable frame (7) is arranged in an "L" shape.

3. The anti-collision device for a motor grader according to claim 2, characterized in that: The limiting rod (9) is divided into a round rod portion and a side disc portion, the two side disc portions are mounted on the ends of the round rod portion, the openings of the two side disc portions are directly opposite to the openings on the fixing block (8), the movable rod (11) is fixed to the side disc portions, and a nut is provided on the rod head of the movable rod (11), the limiting rod (9) and the limiting hole (6) are smoothly arranged, and the movable rod (11) and the fixing block (8) are smoothly arranged.

4. The anti-collision device for a motor grader according to claim 3, characterized in that: One end of the return spring (10) is fixed to the fixing block (8) by means of bolts, and the other end of the return spring (10) is fixed to both ends of the limit rod (9) by means of bolts.

5. The anti-collision device for a motor grader according to claim 4, characterized in that: Threads are arranged at both ends of the anti-collision rod (13), and nut limiting buffer sleeves (14) are sleeved at both ends of the anti-collision rod (13), and the anti-collision rod (13) and the movable frame (7) are smoothly arranged.

6. The anti-collision device for a motor grader according to claim 5, characterized in that: The buffer sleeve (14) is provided in a cylindrical shape, and the buffer sleeve (14) and the anti-collision rod (13) are bonded and connected.

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