Crawler-type fork machine structure

Abstract

The utility model relates to the technical field of tunnel construction, in particular to a crawler-type fork machine structure which comprises a crawler chassis, a base, a power system, an oil tank, a splitting rod hydraulic station, a cab, an inclined oil cylinder, a portal, a transverse moving frame, a propelling oil cylinder, fork teeth, a splitting rod, a lifting oil cylinder, a chain, a transverse moving oil cylinder, a propelling head, a limiting block and a limiting sliding column. The device is mainly used for being matched with a drilling machine in tunnel construction, the fork teeth of the device can be adjusted in the height direction and can also be adjusted in the horizontal direction, the splitting rod can be conveniently placed into drill holes with different heights according to requirements, the device replaces manual work to place the splitting rod into the holes, the construction efficiency is improved, and the labor intensity of workers is reduced. And meanwhile, the labor cost is saved, the purpose of safe construction is achieved, and wide market prospects and application value are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to a crawler type forklift structure. Background Art

[0002] In the process of tunnel construction, rock splitting is a crucial link, and a splitting rod is needed at this time. In the existing construction process, most of the splitting rods are manually placed in pre-drilled rock holes. It is not easy to place the splitting rods in high rock holes, and there are high safety risks. Especially in a closed environment such as tunnel construction, manual operation is often limited by space and is easily affected by adverse factors such as dust and noise, resulting in reduced work efficiency. At the same time, the labor intensity of workers is high and they are prone to fatigue, which may lead to safety accidents. Therefore, a crawler forklift structure is developed, which is specially used to place the splitting rods into rock holes, which has important practical value. Utility Model Content

[0003] The purpose of the utility model is to provide a crawler type forklift structure to solve the above-mentioned technical problems.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crawler forklift structure, including a crawler vehicle and a fork tooth assembly, the fork tooth assembly is installed at the front of the crawler vehicle, the fork tooth assembly includes a door frame, a transverse frame and forks, the bottom end of the door frame is hinged on the crawler vehicle through a pin shaft, two lifting cylinders are vertically installed at the bottom end of the door frame, sprockets are installed at the top of the two lifting cylinders, chains are respectively meshed on the two sprockets, a chain mounting seat is installed at one quarter of the door frame from top to bottom, a chain mounting seat is provided on the top of the transverse frame, two ends of the chain meshed on the sprocket are respectively fixedly connected to the chain mounting seats on the transverse frame and the door frame, and one side of the transverse frame A fork tine is fixedly installed, and cylinder seats are provided on one side of the transverse frame and the fork tine. A transverse cylinder is installed between the transverse frame and the cylinder seats of the fork tine, and the transverse cylinder is arranged parallel to the horizontal plane. The top and bottom of the transverse frame are horizontally fixedly connected with a limiting slide column, and a limit block with an arc groove is fixedly installed on one side of the crawler chassis close to the transverse frame. The limit slide column is slidably installed in the limit block. A propulsion cylinder seat is provided on the top of the fork tine, and a propulsion cylinder is installed on the cylinder seat. A propulsion head is installed on the end of the propulsion cylinder away from the propulsion cylinder seat, and cylinder mounting seats are welded on both sides of the portal frame that are parallel to each other. A tilt cylinder is hinged on the cylinder mounting seat, and the other end of the tilt cylinder is hinged on the crawler vehicle.

[0005] Preferably, the crawler vehicle is mainly composed of a crawler chassis, a base, a power system, a fuel tank, a hydraulic station and a cab. The crawler chassis is arranged at the bottom of the base, and the power system, the fuel tank, the hydraulic station and the cab are arranged on the top of the base.

[0006] Preferably, a sprocket seat is fixedly mounted on the top of the lifting cylinder, and a sprocket is rotatably mounted on the sprocket seat.

[0007] Preferably, a rail groove is provided on one side of the door frame, and a limit block adapted to the rail groove is fixedly provided on one side of the transverse frame, and the limit block is slidably installed in the rail groove.

[0008] Preferably, mounting beams are welded on both sides of the bottom end of the portal frame, and a mounting pin hole is provided at one end of the mounting beam. A protective cover is provided on the top of the fork teeth, which is placed in the splitting bar when the splitting bar is placed into the rock hole and the gravel falls and hits the splitting bar, which is beneficial to the protection of the splitting bar.

[0009] Preferably, the fork teeth are composed of two right-angled plates and a connecting plate, a connecting plate is welded between the two right-angled plates, the top surface of the connecting plate and the two sides of the two right-angled plates form a groove for placing the splitting rod, and two limit block mounting plates are welded on one side of the two right-angled plates, and a limit block is fixedly installed on each limit block mounting plate.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] The device of the utility model has a simple and ingenious structure, and is mainly used for supporting drilling rigs in tunnel construction. The fork teeth of the device can be adjusted in the height direction and the horizontal direction, so that the splitting rods can be placed in drill holes of different heights according to needs. The device replaces manual labor to place the splitting rods into the holes, which improves construction efficiency and saves labor costs at the same time, achieves the purpose of safe construction, and has broad market prospects and application value. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the first three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the three-dimensional structure of the fork tine assembly of the utility model;

[0014] Figure 3 This is a schematic diagram of the three-dimensional structure of the transverse frame of the utility model;

[0015] Figure 4 It is a schematic diagram of the second three-dimensional structure of the utility model.

[0016] In the figure: 1. crawler chassis; 2. base; 3. power system; 4. fuel tank; 5. splitting rod hydraulic station; 6. cab; 7. tilt cylinder; 8. gantry; 9. transverse frame; 10. thrust cylinder; 11. fork teeth; 12. splitting rod; 13. lifting cylinder; 14. chain; 15. transverse cylinder; 16. thrust head; 17. limit block; 18. limit slide column. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figures 1 to 4 The utility model provides a technical solution: a crawler forklift structure, including a crawler vehicle and a fork tooth assembly, the fork tooth assembly is installed at the front of the crawler vehicle, the fork tooth assembly includes a door frame 8, a transverse frame 9 and a fork tooth 11, the bottom end of the door frame 8 is hinged on the crawler vehicle through a pin shaft, two lifting cylinders 13 are vertically installed at the bottom of the door frame 8, sprockets are installed on the top of the two lifting cylinders 13, and a sprocket seat is fixedly installed on the top of the lifting cylinder 13. A sprocket is rotatably installed on the sprocket seat, and chains 14 are respectively meshed on the two sprockets. A chain mounting seat is installed at one quarter of the door frame 8 from top to bottom, and a chain mounting seat is arranged on the top of the transverse frame 9. The two ends of the chain 14 meshed on the sprocket are fixedly connected to the chain mounting seats on the transverse frame 9 and the door frame 8 respectively. A fork tine 11 is fixedly installed on the side, and cylinder seats are provided on one side of the transverse frame 9 and the fork tine 11. A transverse cylinder 15 is installed between the cylinder seats of the transverse frame 9 and the fork tine 11, and the transverse cylinder 15 is arranged parallel to the horizontal plane. The top and bottom of the transverse frame 9 are horizontally fixedly connected with a limiting slide 18. A limit block 17 with an arc groove is fixedly installed on the side of the crawler chassis 1 close to the transverse frame 9, and the limit slide 18 is slidably installed in the limit block 17. A propulsion cylinder seat is provided on the top of the fork tine 11, and a propulsion cylinder 10 is installed on the cylinder seat. A propulsion head 16 is installed on the end of the propulsion cylinder 10 away from the propulsion cylinder seat. Cylinder mounting seats are welded on both sides of the door frame 8 that are parallel to each other, and a tilt cylinder 7 is hinged on the cylinder mounting seat, and the other end of the tilt cylinder 7 is hinged on the crawler vehicle.

[0019] Preferably, the crawler vehicle is mainly composed of a crawler chassis 1, a base 2, a power system 3, a fuel tank 4, a hydraulic station 5 and a cab 6. The crawler chassis 1 is arranged at the bottom of the base 2, and the power system 3, the fuel tank 4, the hydraulic station 5 and the cab 6 are arranged on the top of the base 2. The crawler vehicle is a prior art and will not be described in detail. The main structure of the HM-CC1 type crawler forklift can be selected. The lifting cylinder 13 works, thereby driving the transverse frame 9 to rise and fall, and the limit block 17 on the fork tine 11 slides and engages with the limit slide column 18 of the transverse frame 9. When the transverse cylinder 15 in the transverse frame 9 works, it drives the fork tine 11 to move left and right, thereby adjusting the corresponding hole position, placing the splitting rod 12 on the fork tine 11, and pushing the cylinder 10 to work to push the splitting rod 12 into the hole. As the splitting rod hydraulic station is started, the splitting rod 12 works, thereby splitting the rock, replacing the manual placement of the splitting rod into the hole, improving the construction efficiency, saving labor costs, and also playing a safety role. It is mainly used in conjunction with drilling rigs in tunnel construction.

[0020] Furthermore, a rail groove is provided on one side of the portal frame 8, and a limit block adapted to the rail groove is fixedly provided on one side of the transverse frame 9. The limit block is slidably installed in the rail groove. Mounting beams are welded on both sides of the bottom end of the portal frame 8, and a mounting pin hole is provided at one end of the mounting beam. A protective cover is provided on the top of the fork tooth 11, which is placed in case that gravel falls and hits the splitting rod 12 when the splitting rod 12 is placed into the rock hole, which is beneficial to the protection of the splitting rod 12.

[0021] Furthermore, the fork teeth 11 are composed of two right-angled plates and a connecting plate. A connecting plate is welded between the two right-angled plates. The top surface of the connecting plate and the two sides of the two right-angled plates form a groove for placing the splitting rod 12, which is convenient for placing the splitting rod 12. Two limit block mounting plates are welded on one side of the two right-angled plates, and a limit block 17 is fixedly installed on each limit block mounting plate, which is convenient for better delivering the splitting rod 12 into the rock hole.

[0022] The above shows and describes the basic principle, main features and advantages of the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A crawler forklift structure, comprising a crawler vehicle and a fork assembly, wherein the fork assembly is mounted at the front of the crawler vehicle, and is characterized in that: The fork tooth assembly comprises a door frame (8), a transverse frame (9) and a fork tooth (11). The bottom end of the door frame (8) is hinged on the crawler vehicle through a pin shaft. Two lifting cylinders (13) are vertically installed at the bottom end of the door frame (8). Sprocket wheels are installed at the top ends of the two lifting cylinders (13). Chains (14) are respectively meshed on the two sprocket wheels. The two ends of the chains (14) meshed on the sprocket wheels are respectively fixedly connected to the chain mounting seats on the transverse frame (9) and the door frame (8). A fork tooth (11) is fixedly installed on one side of the transverse frame (9). Cylinder seats are provided on one side of the transverse frame (9) and the fork tooth (11). A transverse cylinder (11) is installed between the cylinder seats of the transverse frame (9) and the fork tooth (11). 5), the transverse cylinder (15) is arranged parallel to the horizontal plane, the top and bottom of the transverse frame (9) are horizontally fixedly connected with a limit slide (18), a limit block (17) with an arc groove is fixedly installed on the side of the crawler chassis (1) close to the transverse frame (9), and the limit slide (18) is slidably installed in the limit block (17), a propulsion cylinder seat is arranged on the top of the fork tooth (11), a propulsion cylinder (10) is installed on the cylinder seat, and a propulsion head (16) is installed at one end of the propulsion cylinder (10) away from the propulsion cylinder seat, and a cylinder mounting seat is welded on both sides of the door frame (8) parallel to each other, and a tilting cylinder (7) is hinged on the cylinder mounting seat, and the other end of the tilting cylinder (7) is hinged on the crawler vehicle.

2. The crawler forklift structure according to claim 1, characterized in that: The crawler vehicle mainly comprises a crawler chassis (1), a base (2), a power system (3), a fuel tank (4), a hydraulic station (5) and a cab (6); the crawler chassis (1) is arranged at the bottom of the base (2), and the power system (3), the fuel tank (4), the hydraulic station (5) and the cab (6) are arranged at the top of the base (2).

3. The crawler forklift structure according to claim 1, characterized in that: A sprocket seat is fixedly mounted on the top end of the lifting oil cylinder (13), and a sprocket is rotatably mounted on the sprocket seat.

4. The crawler forklift structure according to claim 1, characterized in that: A chain mounting seat is installed at one quarter of the door frame (8) from top to bottom, a chain mounting seat is arranged at the top of the transverse frame (9), a rail groove is arranged on one side of the door frame (8), and a limit block adapted to the rail groove is fixedly arranged on one side of the transverse frame (9), and the limit block is slidably installed in the rail groove.

5. The crawler forklift structure according to claim 1, characterized in that: Mounting beams are welded on both sides of the bottom end of the door frame (8), one end of the mounting beam is provided with a mounting pin hole, and a protective cover is provided on the top of the fork tine (11).

6. The crawler forklift structure according to claim 1, characterized in that: The fork teeth (11) are composed of two right-angle plates and a connecting plate, the connecting plate is welded between the two right-angle plates, two limit block mounting plates are welded on one side of the two right-angle plates, and a limit block (17) is fixedly mounted on each limit block mounting plate.

Images