Telescopic hydraulic boom crane

Abstract

The invention discloses a telescopic hydraulic arm crane and relates to the technical field of cranes, the crane comprises a supporting frame, a stand column and a supporting seat, a moving seat is arranged on the upper surface of the supporting frame, the stand column is arranged above the moving seat, driving seats are arranged on the front end face and the rear end face of the moving seat, and the supporting seat is arranged on the front end face of each driving seat. Connecting grooves are formed in the front end face and the rear end face of the supporting frame correspondingly, a driving wheel is arranged in the driving base, the driving base is slidably connected in the connecting grooves through the driving wheel, fixing frames are arranged at the front end and the rear end of the bottom of the supporting frame correspondingly, fixing grooves are formed in the fixing frames, and fixing screws are installed in the fixing grooves. According to the scheme, the problems that in the prior art, due to the fact that a crane is too large in size, the flexibility and the application range of the crane are low, the construction range of the crane is limited, and the practicability and the working efficiency of the crane are affected are solved.

Description

Technical Field

[0001] The invention relates to the technical field of cranes, in particular to a telescopic hydraulic arm crane. Background Art

[0002] Crane refers to a multi-action lifting machine that can lift and carry heavy objects vertically and horizontally within a certain range. The principle of telescopic hydraulic arm crane mainly relies on the hydraulic system to realize the telescopic function. The hydraulic telescopic arm drives the telescopic cylinder through the hydraulic oil pressure, thereby pushing the telescopic rod to slide along the telescopic guide rail to adjust the arm length.

[0003] For example, the Chinese authorized patent with announcement number CN108657962B (an electric single-beam crane structure): includes three components: a main beam, an end beam and an electric hoist arranged on the main beam, wherein the main beam includes a main beam body, a trolley device is arranged at both ends of the main beam body, a trolley motor is arranged at the lower end of the trolley, the trolley device is connected to the end beam, the main beam body is a support frame structure, the support frame adopts a "U"-shaped groove structure, wherein the end beam is a symmetrical structure, and an end beam motor A and an end beam motor B are arranged on the end beam, and the end beam motor A and the end beam motor B adopt It is controlled by a synchronous controller, and limit rods are arranged at both ends of the end beam, a guide rail is arranged at the lower end of the end beam, a guide rail groove is arranged in the guide rail, the movement of the main beam is facilitated by the guide rail groove, a support plate is arranged in the guide rail groove, the support plate is made of steel plate, the electric hoist comprises an electric hoist body, a hanging structure is arranged on the electric hoist body, and is connected with the running trolley through the hanging, and a conical rotor motor is arranged in the electric hoist body. The present invention provides an electric single-beam crane structure with compact structural design, convenient lifting, stable operation, high safety factor and wide application range.

[0004] However, the crane in the above-mentioned prior art has low flexibility and scope of application due to its excessively large size, which limits its construction scope and affects its practicality and work efficiency; therefore, it does not meet the existing needs. In this regard, we propose a telescopic hydraulic arm crane. Summary of the invention

[0005] The purpose of the present invention is to provide a telescopic hydraulic arm crane to solve the problem that the crane in the prior art proposed in the above background technology has low flexibility and scope of application due to its excessively large size, thereby limiting its construction scope and affecting its practicability and work efficiency.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a telescopic hydraulic arm crane, comprising a support frame, a column and a support seat, the upper surface of the support frame is provided with a moving seat, the upper part of the moving seat is provided with a column, the front and rear end surfaces of the moving seat are provided with a driving seat, the front end surface of the driving seat is provided with a supporting seat, the front and rear end surfaces of the support frame are provided with connecting grooves, the interior of the driving seat is provided with a driving wheel, the driving seat is slidably connected in the connecting groove through the driving wheel, the front and rear ends of the bottom of the support frame are provided with fixing frames, the interior of the fixing frame is provided with a fixing groove, and the interior of the fixing groove is installed with fixing screws.

[0007] Preferably, a turntable is provided at the bottom of the column, a fixed plate is provided at the bottom of the turntable, a first connecting seat is provided below the fixed plate, fixing screws are installed on all four sides of the upper surface of the fixing plate, the fixing plate is fixedly connected to the first connecting seat by the fixing screws, and the turntable is rotatably connected to the column.

[0008] Preferably, a first connecting frame is disposed on the top of the column, a first connecting block is disposed inside the first connecting frame, and the first connecting block is rotatably connected to the inside of the first connecting frame.

[0009] Preferably, a second connecting frame is arranged on the top of the first connecting block, a second connecting block is arranged inside the top end of the second connecting frame, and the second connecting block is rotatably connected to the top end of the second connecting frame.

[0010] Preferably, a telescopic arm is provided on the top of the second connecting block, a first extension arm is provided inside the upper surface of the telescopic arm, a second extension arm is provided inside the upper surface of the first extension arm, the first extension arm is slidably connected to the inside of the telescopic arm, and the second extension arm is slidably connected to the inside of the first extension arm.

[0011] Preferably, a lifting device is installed on one side end surface of the second extension arm, a retracting wheel is installed inside the lifting device, a cable is wound around the retracting wheel, and the bottom of the cable passes through the lifting device and extends to the bottom of the lifting device.

[0012] Preferably, a second connecting seat is provided at the bottom of the cable, a hook is provided at the bottom of the second connecting seat, the top of the hook is connected to the internal thread of the bottom end of the second connecting seat, and a groove is provided on the inner surface of the hook.

[0013] Preferably, a rotating frame is provided at the rear end of the support seat, and the rear end surface of the support seat is rotatably connected to the inside of the rotating frame.

[0014] Preferably, a cylinder is provided on the upper surface of the support seat, a second telescopic rod is provided on the bottom of the support seat, and a supporting foot is installed on the bottom of the second telescopic rod.

[0015] Preferably, a support plate is provided on one side end surface of the second connecting frame, a first telescopic rod is provided on the support plate, and a top of the first telescopic rod is connected to a lower surface of the telescopic arm.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] (1) The present invention sets a support frame, and the column is set above the support frame through a movable seat. The support frame is fixedly connected to the rear bucket of the vehicle body by the fixing frames at the front and rear ends of the bottom of the support frame, and then the driving seats at the front and rear ends of the movable seat are used to drive it to move on the support frame. The upper and lower ends of the second connecting frame are rotatably connected to the column and the telescopic arm respectively, and the upper and lower ends of the first extension arm are slidably connected to the telescopic arm and the second extension arm respectively. Then, the object to be hoisted is placed on the hook, and the lifting device drives the cable to move the hook up and down, thereby ensuring its flexibility and convenience during use. It can integrate the lifting and transportation functions, has high mobility and the ability to quickly transfer, can quickly reach the work site, and improve work efficiency. It solves the problem that the crane in the prior art has low flexibility and low application range due to its excessively large size, thereby limiting its construction scope and affecting its practicality and work efficiency.

[0018] (2) Support bases are arranged on the front and rear end surfaces of the moving base. During operation, the support base is rotated with the rotating frame to make it 90 degrees with the moving base. Then the cylinder drives the second telescopic rod to extend and retract so that the supporting feet at the bottom are in contact with the ground, thereby ensuring stability during lifting. When not in use, the second telescopic rod can be directly retracted by the cylinder, and the support base can be rotated to a position parallel to the moving base, which is convenient for operation. With its adjustable support base and flexible arm system, it can easily cope with various complex environments, including narrow spaces and rugged terrain.

[0019] (3) A turntable is arranged at the bottom of the column, and the turntable is fixedly connected to the first connecting seat by installing screws on the fixing plate at the bottom, so as to facilitate the disassembly, assembly and fixation of the entire lifting equipment. At the same time, the turntable can drive the column to rotate, so as to facilitate the angle conversion during lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the telescopic hydraulic arm crane of the present invention;

[0021] Figure 2 It is an enlarged schematic diagram of the support frame structure of the present invention;

[0022] Figure 3 It is an enlarged schematic diagram of the column structure of the present invention;

[0023] Figure 4It is an enlarged schematic diagram of the support base structure of the present invention;

[0024] Figure 5 It is an enlarged schematic diagram of the structure of the telescopic hydraulic arm crane at position A of the present invention;

[0025] In the figure: 1. support frame; 2. column; 3. support seat; 4. movable seat; 5. connecting groove; 6. driving seat; 7. fixed frame; 8. first connecting seat; 9. fixed plate; 10. first connecting frame; 11. first connecting block; 12. second connecting frame; 13. second connecting block; 14. telescopic arm; 15. first extension arm; 16. second extension arm; 17. lifting device; 18. support plate; 19. first telescopic rod; 20. second telescopic rod; 21. cylinder; 22. rotating frame; 23. supporting foot; 24. cable; 25. second connecting seat; 26. hook; 27. groove; 28. turntable. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] See also Figure 1-5An embodiment of the present invention is as follows: a telescopic hydraulic arm crane comprises a support frame 1, a column 2 and a support seat 3. A moving seat 4 is arranged on the upper surface of the support frame 1, a column 2 is arranged above the moving seat 4, a driving seat 6 is arranged on the front and rear end surfaces of the moving seat 4, a support seat 3 is arranged on the front end surface of the driving seat 6, a connecting groove 5 is arranged on the front and rear end surfaces of the support frame 1, a driving wheel is arranged inside the driving seat 6, and the driving seat 6 is slidably connected inside the connecting groove 5 through the driving wheel, a fixing frame 7 is arranged on the front and rear ends of the bottom of the support frame 1, a fixing groove is arranged inside the fixing frame 7, and a fixing screw is installed inside the fixing groove, the support frame 1 is fixedly connected to the rear bucket of the vehicle body by using the fixing frames 7 at the front and rear ends of the bottom thereof, and then the driving seats at the front and rear ends of the moving seat 4 are used. 6 drives it to move on the support frame 1, the upper and lower ends of the second connecting frame 12 are rotatably connected with the column 2 and the telescopic arm 14 respectively, the upper and lower ends of the first extension arm 15 are slidably connected with the telescopic arm 14 and the second extension arm 16 respectively, and then the object to be hoisted is placed on the hook 26, and the lifting device 17 drives the cable 24 to move the hook 26 up and down, ensuring its flexibility and convenience when used, and can integrate the lifting and transportation functions into one, with high mobility and rapid transfer capabilities, can quickly reach the work site, improve work efficiency, and solve the problem that the crane in the prior art has low flexibility and low application range due to its excessively large size, thereby limiting its construction range and affecting its practicability and work efficiency. By arranging the support base 3 on the front and rear end surfaces of the moving base 4, during operation, the support base 3 is rotated with the rotating frame 22 to make it 90 degrees with the moving base 4, and then the cylinder 21 drives the second telescopic rod 20 to extend and retract, so that the supporting foot 23 at the bottom is in contact with the ground, ensuring stability during lifting. When not in use, the second telescopic rod 20 can be directly retracted by the cylinder 21, and the support base 3 can be rotated to a position parallel to the moving base 4, which is convenient for operation. With its adjustable support base 3 and flexible arm system, it can easily cope with various complex environments, including narrow spaces and rugged terrain. By arranging a turntable 28 at the bottom of the column 2, the turntable 28 is fixedly connected to the first connecting seat 8 by installing screws on the fixing plate 9 at the bottom, so as to facilitate the disassembly, assembly and fixation of the entire lifting equipment. At the same time, the turntable 28 can drive the column 2 to rotate, so as to facilitate the angle conversion during lifting. When the operator manually starts the telescopic movement of the telescopic mechanism, the high-pressure hydraulic oil enters the telescopic cylinder, pushing the piston and the telescopic rod to produce relative movement, thereby realizing the telescopic movement of the telescopic arm 14. When the telescopic arm 14 is fully extended or retracted, the end position sensor of the telescopic mechanism transmits the status back to the operating console so that the operator can perform related operations.

[0028] See also Figure 1-Figure 5A turntable 28 is provided at the bottom of the column 2, a fixed plate 9 is provided at the bottom of the turntable 28, a first connecting seat 8 is provided below the fixed plate 9, fixing screws are installed around the upper surface of the fixing plate 9, the fixing plate 9 is fixedly connected to the first connecting seat 8 by fixing screws, the turntable 28 is rotatably connected to the column 2, and the turntable 28 is fixedly connected to the first connecting seat 8 by installing screws on the fixing plate 9 at the bottom, which facilitates the disassembly, assembly and fixation of the entire lifting equipment. At the same time, the turntable 28 can drive the column 2 to rotate, which is convenient for the angle conversion during lifting.

[0029] See also Figure 1-Figure 5 A first connecting frame 10 is provided on the top of the column 2, and a first connecting block 11 is provided inside the first connecting frame 10. The first connecting block 11 is rotatably connected to the inside of the first connecting frame 10. The support frame 1 is fixedly connected to the rear bucket of the vehicle body by the fixing frame 7 at the front and rear ends of the bottom, and then the driving seat 6 at the front and rear ends of the moving seat 4 is used to drive it to move on the support frame 1. The upper and lower ends of the second connecting frame 12 are rotatably connected to the column 2 and the telescopic arm 14 respectively, and the upper and lower ends of the first extension arm 15 are slidably connected to the telescopic arm 14 and the second extension arm 16 respectively. Then, the object to be hoisted is placed on the hook 26, and the lifting device 17 drives the cable 24 to move the hook 26 up and down to ensure that it is The utility model has the advantages of flexibility and convenience in use, can integrate lifting and transportation functions, has high mobility and the ability of rapid transfer, can quickly reach the work site, improve work efficiency, and solve the problem that the crane in the prior art has low flexibility and low application scope due to its excessively large size, thereby limiting its construction scope and affecting its practicality and work efficiency. When the operator manually starts the telescopic movement of the telescopic mechanism, high-pressure hydraulic oil enters the telescopic cylinder, pushing the piston and the telescopic rod to produce relative movement, thereby realizing the telescopic movement of the telescopic arm 14. When the telescopic arm 14 is fully extended or retracted, the end position sensor of the telescopic mechanism transmits the status back to the control panel so that the operator can perform relevant operations.

[0030] See also Figure 1-Figure 5 A second connecting frame 12 is disposed on the top of the first connecting block 11 , a second connecting block 13 is disposed inside the top of the second connecting frame 12 , and the second connecting block 13 is rotatably connected to the top of the second connecting frame 12 .

[0031] See also Figure 1-Figure 5A telescopic arm 14 is provided on the top of the second connecting block 13, and a first extension arm 15 is provided inside the upper surface of the telescopic arm 14, and a second extension arm 16 is provided inside the upper surface of the first extension arm 15, the first extension arm 15 is slidably connected to the inside of the telescopic arm 14, and the second extension arm 16 is slidably connected to the inside of the first extension arm 15, and the support frame 1 is fixedly connected to the rear bucket of the vehicle body by the fixing frame 7 at the front and rear ends of the bottom thereof, and then the driving seat 6 at the front and rear ends of the moving seat 4 is used to drive it to move on the support frame 1, and the upper and lower ends of the second connecting frame 12 are respectively rotatably connected to the column 2 and the telescopic arm 14, and the upper and lower ends of the first extension arm 15 are respectively slidably connected to the telescopic arm 14 and the second extension arm 16, and then the objects to be hoisted are placed on the hook 26, and the lifting device 17 drives the cable 24 to make the hook 26 move up and down, thereby ensuring its flexibility and convenience during use, and can integrate the lifting and transportation functions, and has high maneuverability and the ability of rapid transfer, and can It can quickly reach the work site and improve work efficiency. It solves the problem that the crane in the prior art has low flexibility and application scope due to its large size, which limits its construction scope and affects its practicality and work efficiency. When the operator manually starts the telescopic movement of the telescopic mechanism, high-pressure hydraulic oil enters the telescopic cylinder, pushing the piston and the telescopic rod to produce relative movement, thereby realizing the telescopic movement of the telescopic arm 14. When the telescopic arm 14 is fully extended or retracted, the end position sensor of the telescopic mechanism transmits the state back to the control console so that the operator can perform relevant operations. The telescopic hydraulic arm crane can realize complex and delicate lifting operations through the control of the hydraulic system, and can accurately adjust the lifting position and angle to meet different work requirements. This flexibility allows the telescopic hydraulic arm crane to operate easily in a narrow construction environment. The telescopic hydraulic arm crane can withstand large loads and maintain stable operation under load, which is suitable for the handling and lifting of various heavy goods. In addition, the telescopic hydraulic arm crane is equipped with various safety protection devices, such as overload protection, anti-overwinding, etc., which can effectively protect the safety of operators and equipment.

[0032] See also Figure 1-Figure 5A lifting device 17 is installed on one side end face of the second extension arm 16, and a retracting wheel is installed inside the lifting device 17. A cable 24 is wound around the retracting wheel. The bottom of the cable 24 passes through the lifting device 17 and extends to the bottom of the lifting device 17. During operation, the support seat 3 is rotated with the rotating frame 22 to make it 90 degrees with the moving seat 4. Then the cylinder 21 drives the second telescopic rod 20 to retract so that the supporting foot 23 at its bottom contacts the ground, ensuring stability during lifting. When not in use, the second telescopic rod 20 is directly retracted by the cylinder 21, and the support seat 3 is rotated to a position parallel to the moving seat 4, which is convenient for operation. With its adjustable support seat 3 and flexible arm system, it can easily cope with various complex environments, including narrow spaces and rugged terrain. The telescopic hydraulic arm crane is controlled by a hydraulic system to achieve complex and delicate lifting operations, and can accurately adjust the lifting position and angle to meet different work requirements. This flexibility enables the telescopic hydraulic arm crane to easily operate in a narrow construction environment.

[0033] See also Figure 1-Figure 5 A second connecting seat 25 is provided at the bottom of the cable 24, a hook 26 is provided at the bottom of the second connecting seat 25, the top of the hook 26 is connected to the internal thread of the bottom end of the second connecting seat 25, and a groove 27 is provided on the inner surface of the hook 26. The telescopic hydraulic arm crane can withstand a large load and maintain stable operation under load. It is suitable for the handling and lifting of various heavy goods. In addition, the telescopic hydraulic arm crane is equipped with various safety protection devices, such as overload protection, anti-overwinding, etc., which can effectively protect the safety of operators and equipment.

[0034] See also Figure 1-Figure 5A rotating frame 22 is provided at the rear end of the support seat 3, and the rear end surface of the support seat 3 is rotatably connected to the inside of the rotating frame 22. A cylinder 21 is provided on the upper surface of the support seat 3, and a second telescopic rod 20 is provided at the bottom of the support seat 3. A supporting foot 23 is installed at the bottom of the second telescopic rod 20. During operation, the support seat 3 is rotated with the rotating frame 22 to make it 90 degrees with the moving seat 4, and then the cylinder 21 drives the second telescopic rod 20 to extend and retract, so that the supporting foot 23 at the bottom of the second telescopic rod 20 contacts the ground, ensuring stability during lifting. When not in use, the second telescopic rod 20 is directly retracted by the cylinder 21, and the support seat 3 is rotated to It can be placed in a position parallel to the moving seat 4 for easy operation. With its adjustable support seat 3 and flexible arm system, it can easily cope with various complex environments, including narrow spaces and rugged terrains. The telescopic hydraulic arm crane is controlled by a hydraulic system to achieve complex and delicate lifting operations, and can accurately adjust the lifting position and angle to meet different work requirements. This flexibility allows the telescopic hydraulic arm crane to operate easily in a small construction environment. The telescopic hydraulic arm crane is responsive and quick in action, and can quickly and stably perform lifting, rotation, and telescoping actions to improve work efficiency.

[0035] See also Figure 1-Figure 5 A support plate 18 is provided on one side end face of the second connecting frame 12, and a first telescopic rod 19 is provided on the support plate 18. The top of the first telescopic rod 19 is connected to the lower surface of the telescopic arm 14. The telescopic hydraulic arm crane is controlled by a hydraulic system and can realize complex and delicate lifting operations. It can accurately adjust the lifting position and angle to meet different work requirements. This flexibility enables the telescopic hydraulic arm crane to operate easily in a narrow construction environment. The telescopic hydraulic arm crane is sensitive to response and quick in action. It can quickly and stably perform lifting, rotation, and telescoping actions to improve work efficiency.

[0036] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A telescopic hydraulic arm crane, comprising a support frame (1), a column (2) and a support base (3), characterized in that: The upper surface of the support frame (1) is provided with a movable seat (4), a column (2) is provided above the movable seat (4), the front and rear end surfaces of the movable seat (4) are provided with a driving seat (6), the front end surface of the driving seat (6) is provided with a supporting seat (3), the front and rear end surfaces of the support frame (1) are provided with a connecting groove (5), a driving wheel is provided inside the driving seat (6), and the driving seat (6) is slidably connected inside the connecting groove (5) through the driving wheel, and the front and rear ends of the bottom of the support frame (1) are provided with a fixing frame (7), a fixing groove is provided inside the fixing frame (7), and a fixing screw is installed inside the fixing groove.

2. A telescopic hydraulic arm crane according to claim 1, characterized in that: A turntable (28) is provided at the bottom of the column (2), a fixing plate (9) is provided at the bottom of the turntable (28), a first connecting seat (8) is provided below the fixing plate (9), fixing screws are installed around the upper surface of the fixing plate (9), the fixing plate (9) is fixedly connected to the first connecting seat (8) by the fixing screws, and the turntable (28) is rotatably connected to the column (2).

3. A telescopic hydraulic arm crane according to claim 2, characterized in that: A first connecting frame (10) is arranged on the top of the column (2), a first connecting block (11) is arranged inside the first connecting frame (10), and the first connecting block (11) is rotatably connected to the inside of the first connecting frame (10).

4. A telescopic hydraulic arm crane according to claim 3, characterized in that: A second connecting frame (12) is arranged on the top of the first connecting block (11), a second connecting block (13) is arranged inside the top of the second connecting frame (12), and the second connecting block (13) is rotatably connected to the top of the second connecting frame (12).

5. A telescopic hydraulic arm crane according to claim 4, characterized in that: A telescopic arm (14) is arranged on the top of the second connecting block (13); a first extension arm (15) is arranged inside the upper surface of the telescopic arm (14); a second extension arm (16) is arranged inside the upper surface of the first extension arm (15); the first extension arm (15) is slidably connected to the inside of the telescopic arm (14); and the second extension arm (16) is slidably connected to the inside of the first extension arm (15).

6. A telescopic hydraulic arm crane according to claim 5, characterized in that: A lifting device (17) is installed on one end surface of the second extension arm (16), a retracting wheel is installed inside the lifting device (17), a cable (24) is wound around the retracting wheel, and the bottom of the cable (24) passes through the lifting device (17) and extends to the bottom of the lifting device (17).

7. A telescopic hydraulic arm crane according to claim 6, characterized in that: A second connecting seat (25) is provided at the bottom of the cable (24), a hook (26) is provided at the bottom of the second connecting seat (25), the top of the hook (26) is connected to the internal thread of the bottom end of the second connecting seat (25), and a groove (27) is provided on the inner surface of the hook (26).

8. The telescopic hydraulic arm crane according to claim 7, characterized in that: A rotating frame (22) is provided at the rear end of the support seat (3), and the rear end surface of the support seat (3) is rotatably connected to the inside of the rotating frame (22).

9. A telescopic hydraulic arm crane according to claim 8, characterized in that: The upper surface of the support seat (3) is provided with a cylinder (21), the bottom of the support seat (3) is provided with a second telescopic rod (20), and the bottom of the second telescopic rod (20) is installed with a supporting foot (23).

10. A telescopic hydraulic arm crane according to claim 9, characterized in that: A support plate (18) is provided on one end surface of the second connecting frame (12), a first telescopic rod (19) is provided on the support plate (18), and the top of the first telescopic rod (19) is connected to the lower surface of the telescopic arm (14).

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