Novel bulldozer trolley frame structure

Abstract

The utility model relates to the technical field of engineering machinery, and discloses a novel bulldozer trolley frame structure which comprises a trolley frame body, a hinge seat is fixedly connected to the upper side of the trolley frame body, a mounting beam is rotatably connected to the interior of the hinge seat, and a mounting rod is arranged in the mounting beam and the mounting rod in a penetrating mode. A quick release assembly is mounted in the mounting rod; and the quick release assembly comprises a limiting rod, two clamping blocks and a second spring, the two ends of the limiting rod are fixedly connected to the interior of the mounting rod, and the two clamping blocks are slidably connected to the outer wall of the limiting rod. According to the utility model, the mounting rod penetrates through the hinge seat and the mounting beam to fixedly mount the mounting beam, and during dismounting and washing, a handle is pulled to enable an L-shaped connecting plate to extrude a clamping block, so that the clamping block retracts into the mounting rod to extrude a telescopic rod and a spring III while the clamping block slides on the outer wall of a limiting rod in a limiting manner; and therefore, the effect of efficiently mounting and dismounting the bogie frame body is achieved, and the practicability of the structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering machinery technical field especially relates to a novel bulldozer trolley frame structure. BACKGROUND

[0002] The bulldozer is an important earthwork machine widely used in road construction, mine exploitation, water conservancy engineering and building construction fields, mainly through large shovel to push soil, sand, coal and other materials, complete leveling, landfill and obstacle removal and other operations, with high operation efficiency, complex terrain adaptability characteristics. The traditional bulldozer trolley frame structure has the problems of insufficient strength, easy deformation and short service life, which is difficult to meet the operation demand under heavy load and harsh working conditions. Adopting the novel bulldozer trolley frame structure can effectively improve the overall rigidity and carrying capacity, optimize the gravity distribution, enhance the stability and safety, reduce the stress concentration, reduce the failure rate and maintenance cost, and prolong the service life of the equipment. At the same time, the novel structure supports modular design, meets the multifunctional construction demand, has good adaptability and flexibility, and takes into account light weight and environmental protection performance, which meets the trend of modern engineering machinery high efficiency, durability and green development.

[0003] Through the search, the novel installation structure of bulldozer balance beam and trolley frame is disclosed in the announcement number: CN207228192U, the installation seat is arranged on the trolley frame, the pin shaft is arranged at both ends of the balance beam, the installation groove is formed in the middle of the installation seat, the shaft hole A matched with the pin shaft is formed on both sides of the installation seat, the shaft hole B matched with the pin shaft is formed on the cover plate, the end of the balance beam is arranged in the installation groove, the pin shaft is embedded between the semicircular shaft hole A and the semicircular shaft hole B, and the cover plate is fixed on the installation seat through the fastener. The utility model has the beneficial effects: the connection mode of the balance beam pin shaft and the trolley frame installation seat is optimized, the pin shaft installation seat is designed as two parts, and is fixed by bolts, so that the processing of related parts is facilitated, the assembly accuracy is improved, and the disassembly difficulty is significantly reduced. Only the cover plate mounting bolt is loosened, the balance beam can be disassembled as a whole, without separately disassembling the oil seal, bearing and pin shaft, which has very practical significance for reducing enterprise production cost, improving product quality and production efficiency;

[0004] However, the prior art uses bolt pretightening force to ensure the connection rigidity, and sets reinforcing ribs at the key stress position to improve the overall carrying performance. In the technical scheme, the assembly of the trolley frame and the matching parts needs to rely on special tools to fasten step by step, and the bolt loosening is prevented by the lock washer; however, the bolt connection mode adopted by the prior art needs to loosen the bolts one by one during disassembly and maintenance, which is time-consuming and laborious in the operation process, especially in the field operation or emergency repair scene, which is low in efficiency. In addition, repeated disassembly and assembly easily lead to bolt thread wear, affect the connection reliability, and increase the maintenance cost, so a novel bulldozer trolley frame structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a novel bulldozer trolley frame structure, aims at improving the simple connection mode, the cumbersome dismounting mode in prior art, and further leads to the effect that it is inconvenient to maintain in the emergency maintenance scene.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a novel bulldozer trolley frame structure, including trolley frame body, the upper side fixedly connected with the hinged seat of trolley frame body, the inside rotationally connected with the mounting beam of hinged seat, the inside through -walled mounting rod of mounting beam and mounting rod, the inside installation of mounting rod has quick -release assembly,

[0007] The quick -release assembly includes the limiting rod, two clamping blocks and spring two, both ends of the limiting rod are fixedly connected in the inside of the mounting rod, both clamping blocks are slidably connected on the outer wall of the limiting rod, the outer wall of the limiting rod is sleeved with spring two, the outer wall of the telescopic rod is fixedly connected between the two clamping blocks, the telescopic rod is sleeved with spring three, the inside of the mounting rod is slidably connected with the left and right symmetrical L-shaped connecting plate, the outer wall of both L-shaped connecting plates is fixedly connected with the sleeve ring, and one end of both L-shaped connecting plates is fixedly connected with the handle.

[0008] Further, the connecting rod is fixedly connected on one side of the inner wall of the mounting rod.

[0009] Further, the sliding plate is fixedly connected between the two L-shaped connecting plates, and the sliding plate is slidably connected on the outer wall of the connecting rod.

[0010] Further, the outer wall of the connecting rod is sleeved with spring one, one end of spring one is fixedly connected on one side of the inner wall of the mounting rod, and the other end of spring one is fixedly connected on one side of the outer wall of the sliding plate.

[0011] Further, the inner diameter of the sleeve ring is greater than the outer diameter of the mounting rod, and the inner wall of the sleeve ring is slidably connected on the outer wall of the mounting rod and abuts on the outer wall of the clamping block.

[0012] Further, the outer wall of the hinged seat is abutted with the positioning ring one on one side, the positioning ring two is fixedly connected on the opposite side of the positioning ring one, the positioning ring two is fixedly connected on one side of the fixed block, and the positioning ring one and the positioning ring two are arranged at the circumferential edges of the hinged seat and the fixed block respectively.

[0013] Further, the inner wall of the positioning ring one is fixedly connected with the sleeve, the inner wall of the sleeve is slidably connected with the positioning ring one, and one end of the positioning ring one is fixedly connected on the inner wall of the positioning ring two.

[0014] Further, the outer wall of the sleeve and the sliding rod is sleeved with spring four, one end of spring four is fixedly connected on the inner wall of the positioning ring one, and the other end of spring four is fixedly connected on the inner wall of the positioning ring two.

[0015] The utility model has the advantages of the following:

[0016] 1. In the utility model, the mounting beam is fixedly installed through the installation rod penetrating the hinge seat and the mounting beam. When disassembling and washing, the L-shaped connecting plate extrudes the clamping block by pulling the handle, so that the clamping block is extruded into the inside of the installation rod while being limitedly slid on the outer wall of the limiting rod, and the telescopic rod and the spring three are extruded, thereby realizing the effect of efficiently installing and disassembling the trolley frame body, and improving the practicability of the structure.

[0017] 2. In the utility model, the L-shaped connecting plate outer wall sleeve ring is quickly reset through the reaction force of the spring one, so that the effect of facilitating next work is realized. The sleeve and the sliding rod are cooperatively telescoped through the reaction force of the spring four, so that the effect of facilitating quick pushing of the fixing block to quickly separate the installation rod from the inside of the mounting beam and further realize quick disassembly is realized, and the practicability of the structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A three-dimensional structure schematic view of a novel bulldozer trolley frame structure is provided for the utility model;

[0019] Figure 2 An installation beam partial structure schematic view of a novel bulldozer trolley frame structure is provided for the utility model;

[0020] Figure 3 An installation rod partial structure schematic view of a novel bulldozer trolley frame structure is provided for the utility model;

[0021] Figure 4 A zoomed-in view of A in the utility model. Figure 2

[0022] Legend:

[0023] 1. Trolley frame body; 2. Hinge seat; 3. Mounting beam; 4. Installation rod; 5. Connecting rod; 6. Positioning block; 7. Sliding plate; 8. L-shaped connecting plate; 9. Handle; 10. Spring one; 11. Sleeve ring; 12. Limiting rod; 13. Clamping block; 14. Spring two; 15. Telescopic rod; 16. Spring three; 17. Fixing block; 18. Positioning ring one; 19. Sleeve; 20. Sliding rod; 21. Spring four; 22. Positioning ring two. DETAILED DESCRIPTION

[0024] ​Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] With reference to Figure 1 , Figure 2 and Figure 3 , the present application provides an embodiment: a novel bulldozer trolley frame structure, comprising a trolley frame body 1, the trolley frame body 1 as a main bearing structure, the upper side of the trolley frame body 1 is fixedly connected with a hinged seat 2, the hinged seat 2 is used for realizing the rotary connection of a mounting beam 3, the hinged seat 2 is rotatably connected with the mounting beam 3 inside, the mounting beam 3 is used for supporting and fixing other components, the mounting beam 3 and a mounting rod 4 are provided with the mounting rod 4 inside, the mounting rod 4 is used for realizing the quick disassembly and assembly function, the mounting rod 4 is internally provided with a quick release assembly;

[0026] The quick release assembly comprises a limiting rod 12, two clamping blocks 13 and a spring 14, the limiting rod 12 is used for limiting the movement track of the clamping block 13, the two clamping blocks 13 are used for realizing the quick locking function, the spring 14 is used for providing the reset elastic force of the clamping block 13, the limiting rod 12 is fixedly connected at both ends inside the mounting rod 4, the two clamping blocks 13 are slidably connected to the outer wall of the limiting rod 12, the limiting rod 12 is provided with the spring 14 outside, the two clamping blocks 13 are fixedly connected with a telescopic rod 15, the telescopic rod 15 is used for keeping the synchronous movement of the two clamping blocks 13, the telescopic rod 15 is provided with a spring 16 outside, the spring 16 is used for assisting the reset of the clamping block 13, the mounting rod 4 is slidably connected with a left-right symmetrical L-shaped connecting plate 8 inside, the L-shaped connecting plate 8 is used for transmitting operating force, the outer wall of the two L-shaped connecting plates 8 is fixedly connected with a sleeve ring 11, the sleeve ring 11 is used for pushing the clamping block 13 to move, one end of the two L-shaped connecting plates 8 is fixedly connected with a handle 9, the handle 9 is used for manual operation.

[0027] Specifically, the present application provides a main bearing function through the trolley frame body 1, the hinged seat 2 realizes the rotary connection of the mounting beam 3, the mounting rod 4 and the quick release assembly realize the quick disassembly and assembly function. Among them, the limiting rod 12 limits the movement track of the clamping block 13, the spring 14 and the spring 16 provide the reset elastic force, the telescopic rod 15 keeps the synchronous movement of the clamping block 13, the L-shaped connecting plate 8 and the sleeve ring 11 transmit the operating force, and the handle 9 is convenient for manual operation. The structure realizes the quick disassembly and assembly of the bulldozer trolley frame, improves the maintenance efficiency, and at the same time ensures the reliability and stability of the connection.

[0028] With reference to Figure 1 , Figure 2 and Figure 4The utility model provides another embodiment provided by the utility model discloses: the one side fixed connection of installing pole 4 inner wall has connecting rod 5, and connecting rod 5 is used to provide guiding support effect, and the one end fixed connection of connecting rod 5 has locating block 6, and locating block 6 is used to ensure that the installation position is accurate, and the fixed connection of the sliding plate 7 that has between two L shape connecting plates 8, and sliding plate 7 is used to deliver operating force and keep synchronous movement, and sliding plate 7 inside slidingly connects in the outer wall of connecting rod 5, and the outer wall of connecting rod 5 is equipped with spring no.

[0029] Specifically, the utility model discloses through connecting rod 5 and locating block 6 ensure that the installation position is accurate, and sliding plate 7 realizes the transmission and synchronous movement of operating force, and spring no. 10 provides reset elastic force, and sleeve ring 11 promotes the movement of clamping block 13 and realizes locking function, and locating ring no. 18 and locating ring no. 22 cooperate to realize accurate positioning, and sleeve 19 and sliding rod 20 provide guiding effect, and spring no. 21 ensures quick reset, the structure realizes the quick disassembly and assembly function of bulldozer trolley frame, improves maintenance efficiency, and guarantees the reliability and stability of connection simultaneously.

[0030] Working principle: when the need to install the trolley frame structure, first insert the mounting rod 4 in the hinge seat 2 and mounting beam 3 inside through the cooperation of telescopic rod 15 and spring three 16, so as to achieve the push block 13 unfolding so that the block 13 in contact with one side of the hinge seat 2 to achieve fixed, and then through the positioning ring one 18 in contact with one side of the hinge seat 2 to achieve the effect of further fixed mounting rod 4, when the need to disassemble the trolley frame body 1, at this time by pulling the handle 9 so that the L-shaped connecting plate 8 driven sliding plate 7 and sleeve ring 11 synchronous movement, at this time through the sliding plate 7 in the connecting rod 5 outer wall sliding extrusion spring one 10, and then through the sleeve ring 11 in contact with the block 13 so that the block 13 extrusion telescopic rod 15 and spring three 16 shrink at the same time in the limiting rod 12 outer wall sliding extrusion block 13 effect, when the block 13 into the mounting rod 4 inside, through the spring four 21 of the reaction force, so as to achieve the driven fixed block 17 so that the mounting rod 4 quickly from the hinge seat 2 and mounting beam 3 inside, so as to achieve the effect of quick disassembly of the trolley frame body 1.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A new bulldozer carriage frame structure comprising a carriage frame body (1), characterized in that: The trolley frame body (1) upper side is fixedly connected with a hinge seat (2), the hinge seat (2) inside is rotatably connected with a mounting beam (3), the mounting beam (3) and mounting rod (4) inside are provided with the mounting rod (4) through, the mounting rod (4) inside is installed with quick release assembly; The quick release assembly includes a limiting rod (12), two clamping blocks (13) and spring two (14), the limiting rod (12) both ends are fixedly connected in the mounting rod (4) inside, two the clamping block (13) are all slidably connected on the outer wall of the limiting rod (12), the limiting rod (12) outer wall is provided with spring two (14), the clamping block (13) between the two is fixedly connected with telescopic rod (15), the telescopic rod (15) outer wall is provided with spring three (16), the mounting rod (4) inside is slidably connected with the left and right symmetrical L-shaped connecting plate (8), the outer wall of two the L-shaped connecting plate (8) is all fixedly connected with the sleeve ring (11), two the L-shaped connecting plate (8) one end is fixedly connected with the handle (9).

2. A new bulldozer carrier frame structure according to claim 1, characterized in that: The connecting rod (5) one end is fixedly connected with the positioning block (6).

3. A new bulldozer carrier frame structure according to claim 2, characterized in that: The connecting rod (5) one end is fixedly connected with the positioning block (6).

4. The novel bulldozer carrier frame structure according to claim 3, characterized in that: The connecting rod (5) one end is fixedly connected with the positioning block (6).

5. A new bulldozer carrier frame structure according to claim 4, characterized in that: The sleeve ring (11) inner diameter is greater than the mounting rod (4) outer diameter, the sleeve ring (11) inner wall is slidably connected on the mounting rod (4) outer wall and is in contact with the clamping block (13) outer wall.

6. A new bulldozer carrier frame structure according to claim 1, characterized in that: The hinge seat (2) outer wall one side is in contact with the positioning ring one (18), the positioning ring one (18) opposite side is fixedly connected with the positioning ring two (22), the positioning ring two (22) one side is fixedly connected in the fixed block (17) one side, the positioning ring one (18) and the positioning ring two (22) are arranged at the circumferential edge of the hinge seat (2) and the fixed block (17) respectively.

7. A new bulldozer carrier frame structure according to claim 6, characterized in that: The sleeve ring (11) inner diameter is greater than the mounting rod (4) outer diameter, the sleeve ring (11) inner wall is slidably connected on the mounting rod (4) outer wall and is in contact with the clamping block (13) outer wall.

8. A new bulldozer carrier frame structure according to claim 7, characterized in that: The sleeve (19) and the sliding rod (20) outer wall are provided with spring four (21), the spring four (21) one end is fixedly connected in the positioning ring one (18) inner wall, the spring four (21) other end is fixedly connected in the positioning ring two (22) inner wall. The sleeve (19) and the sliding rod (20) outer wall are provided with spring four (21), the spring four (21) one end is fixedly connected in the positioning ring one (18) inner wall, the spring four (21) other end is fixedly connected in the positioning ring two (22) inner wall.

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