Arm type hydraulic lifting machine

Abstract

The utility model relates to the technical field of lifting machines, and discloses an arm type hydraulic lifting machine which comprises a mounting frame, a side lug is fixed on the left side of the mounting frame, a left rotating block is fixed on the right side of the mounting frame, a right rotating block is rotatably arranged on the left rotating block through a rotating pin, a main arm is fixed on the right rotating block, and the main arm is fixed on the mounting frame. A hinge block is arranged on the mounting frame and the main arm, a main hydraulic rod is arranged on the hinge block, a first inner arm is arranged at the right end of the main arm, a first fixing base is fixed to the first inner arm, a second inner arm is arranged at the right end of the first inner arm, and a second fixing base is fixed to the second inner arm. A lower nose base is fixed to the right end of the second inner arm, and a lifting hook is arranged on the lower nose base. According to the arm type hydraulic lifting machine, the lifting height and the lifting distance of the lifting machine can be increased through the lifting arm composed of the main arm, the first inner arm and the second inner arm, and the lifting arm can be flexibly adjusted and used through the left rotating block and the right rotating block.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist technology field, concretely is a kind of arm type hydraulic hoist. BACKGROUND

[0002] Arm type hydraulic hoist basic arm is non-standard, can satisfy basic hoisting demand, is widely used in factory and mine, workshop, warehouse, ship, wharf;

[0003] Application No. CN201721687392.9 discloses a fixed frame, a lifting hook, the fixed frame rear end two sides are provided with fixed plate, the fixed plate lower end is provided with fixed pin hole, the fixed plate upper end is provided with fixed hook, the fixed frame outer surface upper end is provided with signal transceiver, the fixed frame outer surface lower end is provided with crossbeam, the crossbeam two sides are provided with inclined pull rod, the fixed frame upper end and the inclined pull rod contact place are provided with connecting plate, the crossbeam tail upper end is provided with fixed seat, the fixed seat is provided with hydraulic rod, the hydraulic rod tail part side wall is provided with solenoid valve, the hydraulic rod head is provided with hook seat, the hook seat below is provided with lifting hook, the crossbeam front end is provided with limit seat, the crossbeam front end upper side is provided with fixed ring, the crossbeam inside is provided with inner support arm;

[0004] The above-mentioned patent structure when in use, mainly through the hydraulic rod drive inner support arm stretch to reach the purpose of hoisting, but because crossbeam is fixed on fixed frame, therefore inner support arm can only stretch along the length direction of crossbeam, it is inconvenient to rotate and adjust in up-down direction, and flexibility is poor, and only through the stretch of inner support arm to adjust hoisting height and distance, so that hoisting height and distance are relatively small, and the strength of inner support arm is also low when hoisting, thereby reduce the practicability of arm type hydraulic hoist. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the deficiencies of prior art, the utility model provides an arm type hydraulic hoist, solve the problem that arm type hydraulic hoist when in use, flexibility is poor, hoisting height and distance are big.

[0007] (II) technical scheme

[0008] In order to realize the above-mentioned arm type hydraulic lifting machine in use, flexibility is higher, the purpose of lifting height and distance, the utility model provides the following technical scheme: an arm type hydraulic lifting machine, including the mounting frame, the left side of mounting frame is fixed with side ear, the right side of mounting frame is fixed with left rotation block, the left rotation block is rotated with right rotation block through the rotation pin, the right rotation block is fixed with main arm, the mounting frame and main arm are provided with hinged block, the hinged block is provided with main hydraulic rod, the right end of main arm is provided with first inner arm, the first inner arm is fixed with first fixed seat, the right end of first inner arm is provided with second inner arm, the second inner arm is fixed with second fixed seat, the right end of second inner arm is fixed with lower nose seat, the lower nose seat is provided with lifting hook,

[0009] The surface of main arm is fixed with first L-shaped support, the surface of first fixed seat is fixed with second L-shaped support, the first L-shaped support and second L-shaped support are fixed with adapter block, the first L-shaped support is rotated with first hydraulic rod through adapter block, the second L-shaped support is rotated with second hydraulic rod through adapter block, the top of mounting frame is fixed with three head frame, the three head frame is fixed with winch, the output end of winch is fixed with winding disc, the winding disc is provided with cable, the first L-shaped support and second L-shaped support are fixed with U-shaped frame, the U-shaped frame is rotated with guide roller through rotation pin, the upper nose seat is fixed on lower nose seat,

[0010] Preferably, the height of the winding disc is lower than the height of the guide roller, and the cable away from the winding disc end through the guide roller and is fixedly connected with the upper nose seat.

[0011] Preferably, the upper and lower ends of the first hydraulic rod are respectively connected with the first fixed seat and the first L-shaped support through the adapter block.

[0012] Preferably, the upper and lower ends of the second hydraulic rod are respectively connected with the second fixed seat and the second L-shaped support through the adapter block.

[0013] Preferably, the first L-shaped support and the second L-shaped support are symmetrically arranged on the upper and lower sides, and the first hydraulic rod and the second hydraulic rod are symmetrically arranged on the upper and lower sides.

[0014] Preferably, the upper and lower ends of the main hydraulic rod are respectively connected with the main arm and the mounting frame through the hinged block.

[0015] Preferably, the main arm is connected with the mounting frame through the left rotation block and the right rotation block.

[0016] Preferably, the main arm, the first inner arm and the second inner arm form a lifting arm.

[0017] Compared with the prior art, the utility model provides an arm type hydraulic lifting machine, which has the following beneficial effects:

[0018] 1. The arm type hydraulic hoist, through the main hydraulic rod, the main arm can be driven to rotate in the up-down direction, through the first hydraulic rod on both sides, the first inner arm can be driven to stretch or contract, through the second hydraulic rod on both sides, the second inner arm can be driven to stretch or contract, so as to form a hoisting arm through the main arm, the first inner arm and the second inner arm, and the height and distance of hoisting the goods can be improved, so as to be able to hoist the goods flexibly.

[0019] 2. The arm type hydraulic hoist, in the process of rotating the main arm in the up-down direction and stretching or contracting the first inner arm or the second inner arm, the cable can be wound or released through the winding disc, and the upper nose seat can be pulled up or released downward through the cable, so that the main arm, the first inner arm and the second inner arm are not always subjected to downward tension when hoisting the goods, thereby improving the use intensity of the main arm, the first inner arm and the second inner arm. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a left side view of the structure of the utility model;

[0021] Fig. 2 It is a right side view of the structure of the utility model;

[0022] Fig. 3 It is a front view of the structure of the utility model.

[0023] 1, mounting frame; 2, side ear; 3, left rotating block; 4, right rotating block; 5, main arm; 6, hinged block; 7, main hydraulic rod; 8, first inner arm; 9, first fixed seat; 10, second inner arm; 11, second fixed seat; 12, lower nose seat; 13, hoisting hook; 14, first L-shaped support; 15, second L-shaped support; 16, adapter block; 17, first hydraulic rod; 18, second hydraulic rod; 19, three-head frame; 20, winch; 21, winding disc; 22, cable; 23, U-shaped frame; 24, guide wheel; 25, upper nose seat. DETAILED DESCRIPTION

[0024] In the description of the utility model, it is necessary to explain that the orientation or positional relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or positional relation based on the orientation or positional relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model; the terms "first", "second" and "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense; for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer to Figs. 1-3 The utility model provides a kind of arm type hydraulic hoist, including mounting frame 1, the left side of mounting frame 1 is fixed with side ear 2, the right side of mounting frame 1 is fixed with left rotating block 3, left rotating block 3 is rotated with right rotating block 4 by rotating pin, right rotating block 4 is fixed with main arm 5, hinged block 6 is provided on mounting frame 1 and main arm 5, main hydraulic rod 7 is provided on hinged block 6, the right end of first inner arm 8 is provided with first fixed seat 9, the right end of first inner arm 8 is provided with second inner arm 10, second inner arm 10 is fixed with second fixed seat 11, the right end of second inner arm 10 is fixed with lower nose seat 12, hoisting hook 13 is provided on lower nose seat 12;

[0026] The surface of main arm 5 is fixed with first L-shaped support 14, the surface of first fixed seat 9 is fixed with second L-shaped support 15, adapter block 16 is fixed on first L-shaped support 14 and second L-shaped support 15, first hydraulic rod 17 is rotated with first L-shaped support 14 by adapter block 16, second hydraulic rod 18 is rotated with second L-shaped support 15 by adapter block 16, the top of mounting frame 1 is fixed with three-head frame 19, winch 20 is fixed on three-head frame 19, the output end of winch 20 is fixed with winding disc 21, cable 22 is provided on winding disc 21, U-shaped frame 23 is fixed on first L-shaped support 14 and second L-shaped support 15, guide pulley 24 is rotated with U-shaped frame 23 by rotating pin, upper nose seat 25 is fixed on lower nose seat 12, mounting frame 1 is connected with external turntable frame by side ear 2, can drive mounting frame 1 to rotate, when hoisting goods is needed, goods is hung on hoisting hook 13 by sling, therefore hoisting arm formed by main arm 5, first inner arm 8 and second inner arm 10 can drive goods to rotate, improve the flexibility of hoisting goods.

[0027] Further, the height of the winding disc 21 is lower than the height of the guide wheel 24, the cable 22 passes through the guide wheel 24 away from one end of the winding disc 21 and is fixedly connected with the upper nose seat 25, when the winding disc 21 winds or releases the cable 22, the cable 22 can be supported and moved through the guide wheel 24.

[0028] Further, the upper and lower ends of the first hydraulic rod 17 are respectively rotatably connected with the first fixed seat 9 and the first L-shaped support 14 through the adapter block 16, so that the first hydraulic rod 17 can drive the first inner arm 8 to stretch or contract through the adapter block 16.

[0029] Further, the upper and lower ends of the second hydraulic rod 18 are respectively rotatably connected with the second fixed seat 11 and the second L-shaped support 15 through the adapter block 16, so that the second hydraulic rod 18 can drive the second inner arm 10 to stretch or contract through the adapter block 16.

[0030] Further, the first L-shaped support 14 and the second L-shaped support 15 are symmetrically arranged on the upper and lower sides, and the first hydraulic rod 17 and the second hydraulic rod 18 are symmetrically arranged on the upper and lower sides, so that the first inner arm 8 can be simultaneously stretched or contracted through the first hydraulic rod 17 on the upper and lower sides, and the second inner arm 10 can be simultaneously stretched or contracted through the second hydraulic rod 18 on the upper and lower sides, thereby avoiding uneven stress on the first inner arm 8 and the second inner arm 10.

[0031] Further, the upper and lower ends of the main hydraulic rod 7 are rotatably connected with the main arm 5 and the mounting frame 1 through the hinge block 6, so that the main hydraulic rod 7 can drive the main arm 5 to rotate through the hinge block 6.

[0032] Further, the main arm 5 is rotatably connected with the mounting frame 1 through the left rotating block 3 and the right rotating block 4, so that the main arm 5 can be supported and rotated through the left rotating block 3 and the right rotating block 4.

[0033] Further, the main arm 5, the first inner arm 8 and the second inner arm 10 form a lifting arm, so that the lifting arm formed by the main arm 5, the first inner arm 8 and the second inner arm 10 can improve the height and distance of lifting the goods.

[0034] In use, the mounting frame 1 is connected with the external rotary frame through the side ears 2, and the mounting frame 1 can be driven to rotate, when the goods need to be lifted, the goods are hung on the lifting hook 13 through the lifting belt, the main arm 5 can be driven to rotate in the up-down direction through the main hydraulic rod 7, the first inner arm 8 can be driven to stretch or contract through the first hydraulic rod 17 on the upper and lower sides, the second inner arm 10 can be driven to stretch or contract through the second hydraulic rod 18 on the upper and lower sides, so that the lifting arm composed of the main arm 5, the first inner arm 8 and the second inner arm 10 can be obtained, and the height and distance of lifting the goods can be improved, so that the goods can be lifted flexibly, in addition, in the process of rotating the main arm 5 in the up-down direction and stretching or contracting the first inner arm 8 or the second inner arm 10, the winding disc 21 can be driven to rotate through the winch 20, so that the winding disc 21 can wind or release the cable 22, and the upper nose seat 25 can be pulled up or released downward through the cable 22, so that the main arm 5, the first inner arm 8 and the second inner arm 10 are not always subjected to downward tension when lifting the goods, so that the use strength of the main arm 5, the first inner arm 8 and the second inner arm 10 can be improved.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An arm type hydraulic crane comprising a mounting frame (1), characterized in that: The left side of the mounting frame (1) is fixed with a side lug (2), the right side of the mounting frame (1) is fixed with a left rotating block (3), the left rotating block (3) is rotatable with a right rotating block (4) through a rotating pin, the right rotating block (4) is fixed with a main arm (5), the mounting frame (1) and the main arm (5) are provided with a hinged block (6), the hinged block (6) is provided with a main hydraulic rod (7), the right end of the main arm (5) is provided with a first inner arm (8), the first inner arm (8) is fixed with a first fixed seat (9), the right end of the first inner arm (8) is provided with a second inner arm (10), the second inner arm (10) is fixed with a second fixed seat (11), the right end of the second inner arm (10) is fixed with a lower nose seat (12), the lower nose seat (12) is provided with a lifting hook (13). The surface of the main arm (5) is fixed with a first L-shaped support (14), the surface of the first fixed seat (9) is fixed with a second L-shaped support (15), the first L-shaped support (14) and the second L-shaped support (15) are fixed with an adapter block (16), the first L-shaped support (14) is rotatable with a first hydraulic rod (17) through the adapter block (16), the second L-shaped support (15) is rotatable with a second hydraulic rod (18) through the adapter block (16), the top end of the mounting frame (1) is fixed with a three-head frame (19), the three-head frame (19) is fixed with a winch (20), the output end of the winch (20) is fixed with a winding disc (21), the winding disc (21) is provided with a cable (22), the first L-shaped support (14) and the second L-shaped support (15) are fixed with a U-shaped frame (23), the U-shaped frame (23) is rotatable with a guide roller (24) through a rotating pin, the lower nose seat (12) is fixed with an upper nose seat (25).

2. An arm type hydraulic crane according to claim 1, characterized in that: The height of the winding disc (21) is lower than the height of the guide roller (24), one end of the cable (22) away from the winding disc (21) passes through the guide roller (24) and is fixedly connected with the upper nose seat (25).

3. An arm type hydraulic crane according to claim 1, characterized in that: The upper and lower ends of the first hydraulic rod (17) are rotatably connected with the first fixed seat (9) and the first L-shaped support (14) through the adapter block (16) respectively.

4. An arm type hydraulic crane according to claim 1, characterized in that: The upper and lower ends of the second hydraulic rod (18) are rotatably connected with the second fixed seat (11) and the second L-shaped support (15) through the adapter block (16) respectively.

5. An arm type hydraulic crane according to claim 1, characterized in that: The first L-shaped support (14) and the second L-shaped support (15) are symmetrically arranged on the upper and lower sides, and the first hydraulic rod (17) and the second hydraulic rod (18) are symmetrically arranged on the upper and lower sides.

6. An arm type hydraulic crane according to claim 1, characterized in that: The upper and lower ends of the main hydraulic rod (7) are rotatably connected with the main arm (5) and the mounting frame (1) through the hinged block (6) respectively.

7. An arm type hydraulic crane according to claim 1, characterized in that: The main arm (5) is rotatably connected with the mounting frame (1) through the left rotating block (3) and the right rotating block (4).

8. An arm type hydraulic crane according to claim 1, characterized in that: The main arm (5), the first inner arm (8) and the second inner arm (10) constitute a lifting arm.

Images