Telescopic boom structure of belt type boom crane

Abstract

The utility model relates to the technical field of arm support structures, in particular to a telescopic arm support structure of a belt type arm support machine, which comprises a first arm support and a second arm support, arm beams are respectively arranged on the first arm support and the second arm support, a clamping groove is arranged at the bottom of the second arm support, and a guide rail movably clamped in the clamping groove is arranged at the bottom of the first arm support. A plurality of first belt transmission rollers are rotationally mounted on the first arm frame and the second arm frame respectively, a bottom frame is arranged at the bottom of the first arm frame, a second belt transmission roller is rotationally mounted on the bottom frame, and belts for conveying goods are in transmission connection with the first belt transmission rollers and the second belt transmission roller; a sliding block is arranged at the bottom of the clamping groove; a moving driving mechanism for driving the sliding block to horizontally move is arranged at the bottom of the first arm frame; after the height of the second arm frame is adjusted, the position of a horizontal falling point of goods can be adjusted by moving and stretching out and drawing back of the second arm frame, and therefore the goods conveying device is suitable for conveying goods on cargo ships with different heights.

Description

TECHNICAL FIELD

[0001] The utility model relates to arm support structure technical field, concretely is a telescopic arm support structure of belt type arm support machine. BACKGROUND

[0002] In recent years, ocean bulk cargo transportation is rapidly growing in the global range, and the sea transportation volume of bulk commodities such as iron ore, coal and food is greatly increased, and then the ocean bulk cargo transportation ship is continuously upgraded, the super large port capable of stopping and unloading these large ships is built, and the demand for bulk cargo handling equipment is continuously improved. Therefore, new challenges are put forward for the design and manufacture of bulk cargo handling equipment to adapt to the growing demand for bulk cargo transportation in the world. The bulk cargo ship loader is a continuous loading machine for bulk cargo loading operation, which is widely used in coastal ports and inland ports in China, and is mainly used for bulk goods such as coal, sand, ore and bulk grain. The ship loader is generally composed of running, rotating, pitching, telescopic working mechanism, arm support, portal structure and continuous conveyor on the machine. The material is conveyed to the arm support belt conveyor of the ship loader through the shore belt conveyor.

[0003] The bulk cargo has strong liquidity, and in the process of cargo passing through the arm support belt conveyor of the ship loader, the arm support belt conveyor is generally installed on the arm support, and the arm support is rotatably installed on the ship loader. Due to the different heights of the ship body, the arm support needs to be rotated to adjust the height of the arm support belt conveyor to adapt to the cargo conveying operation of the ship body of different heights, and after the rotation of the arm support belt conveyor, the position of the cargo vertically falling into the cargo hold of the cargo ship will change, and it is more troublesome to adjust the position of the cargo ship, which greatly increases the workload of the staff. Therefore, a telescopic arm support structure of belt type arm support machine is provided to solve the above-mentioned problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a telescopic arm support structure of belt type arm support machine to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A telescopic arm support structure of belt type arm support machine, comprising a first arm support and a second arm support, wherein the first arm support and the second arm support are respectively provided with an arm beam, characterized in that the bottom of the second arm support is provided with a clamping groove, the bottom of the first arm support is provided with a guide rail clamped movably in the clamping groove, a plurality of first belt driving rollers are rotatably installed on the first arm support and the second arm support respectively, a bottom frame is arranged at the bottom of the first arm support, a second belt driving roller is rotatably installed on the bottom frame, and a belt for conveying cargo is connected in transmission with the first belt driving roller and the second belt driving roller.

[0007] The bottom of the card slot is provided with a sliding block, and the first arm support is provided with a moving drive mechanism for driving the sliding block to move horizontally.

[0008] A groove is formed in the base frame, and a clamping block is movably clamped in the groove, wherein the two ends of the second belt drive roller are rotatably installed on the clamping block, and a spring is arranged between the clamping block and the inner top wall of the groove.

[0009] The sliding block and the clamping block are connected through a linkage structure, and the sliding block moves horizontally while driving the clamping block to slide up and down in the groove to drive the second belt drive roller to move up and down, thereby adjusting the tension of the belts on the first and second belt drive rollers by changing the position of the second belt drive roller.

[0010] The telescopic arm support structure of the belt type arm support machine is as described above: one end of the first arm support is rotatably installed with a hinge rod, and the first arm support is rotatably installed on the ship loader through the hinge rod.

[0011] The telescopic arm support structure of the belt type arm support machine is as described above: a plurality of first belt drive rollers are arranged at equal intervals on the first and second arm supports, wherein one first belt drive roller on one side of the first arm support is provided with a first motor fixed on the first arm support, and one end of the first belt drive roller is fixedly installed on the output end of the first motor and is driven to rotate by the first motor.

[0012] The telescopic arm support structure of the belt type arm support machine is as described above: the moving drive mechanism comprises a mounting frame fixed on the bottom of the first arm support, a lead screw rotatably arranged on the mounting frame, a limiting rod arranged on the mounting frame, a threaded hole in the sliding block in threaded transmission connection with the lead screw, and a limiting hole movably arranged on the limiting rod.

[0013] The telescopic arm support structure of the belt type arm support machine is as described above: one end of the lead screw is provided with a second motor fixed on the mounting frame, and the output end of the second motor is connected with the lead screw through a shaft coupling.

[0014] The telescopic arm support structure of the belt type arm support machine is as described above: the linkage structure comprises a sleeve fixed on the bottom of the sliding block, a rotating rod movably inserted into the sleeve, a swing arm arranged between the rotating rod and the second belt drive roller, and the two ends of the swing arm are respectively hinged with the rotating rod and the second belt drive roller.

[0015] The telescopic arm support structure of the belt type arm support machine is as described above: the outer periphery of the spring is provided with a limiting ring fixed on the base frame, and the spring is movably clamped in the limiting ring.

[0016] Compared with the prior art, the beneficial effects of the utility model are that: through setting first arm support, second arm support, using guide rail, card slot cooperation installation, can make first arm support and second arm support between telescopic, first arm support, second arm support on respectively rotating installation first belt drive roller, first arm support bottom chassis on rotating installation has second belt drive roller, first belt drive roller, second belt drive roller on transmission connection has belt, belt is used for conveying goods, first arm support is rotatably installed on the ship loader through the hinge rod, so that the first arm support is adjusted by the ship loader to meet the different ship body cargo warehouse height, the sliding block is driven to move horizontally through the mobile drive mechanism arranged at the bottom of the first arm support, the second arm support and the first arm support can be telescoped, so that the horizontal falling point position of goods can be adjusted by the second arm support height adjustment and mobile telescoping, so as to adapt to the goods conveying on the goods ship of different height, and the sliding block horizontal movement will drive the clamping block to slide up and down in the groove to drive the second belt drive roller to move up and down, so that the position of the second belt drive roller is changed synchronously to adjust the tension of the belt on the first belt drive roller and the second belt drive roller, so that the utility model can keep the belt tension at any time when the second arm support is telescoped, so as to meet the requirements of the belt conveying goods. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a first view angle structure schematic view of the telescopic arm support structure of a belt type arm support machine.

[0018] Figure 2 It is a second view angle structure schematic view of the telescopic arm support structure of a belt type arm support machine.

[0019] Figure 3 It is a structure schematic view of the mobile drive mechanism and linkage structure of the telescopic arm support structure of a belt type arm support machine.

[0020] Figure 4 It is a whole structure schematic view of the telescopic arm support structure of a belt type arm support machine.

[0021] Figure 5 It is a partial structure schematic view in Figure 4 .

[0022] Figure 6 It is a guide rail, card slot cooperation installation structure schematic view of the telescopic arm support structure of a belt type arm support machine.

[0023] In the figure: 1, first arm frame; 2, second arm frame; 3, arm beam; 4, guide rail; 5, clamping groove; 6, articulated rod; 7, base frame; 8, first belt drive roller; 9, second belt drive roller; 10, belt; 11, first motor; 12, mounting frame; 13, second motor; 14, screw rod; 15, sliding block; 16, threaded hole; 17, limiting rod; 18, limiting hole; 19, groove body; 20, clamping block; 21, spring; 22, swing arm; 23, sleeve; 24, rotating rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Please refer to Figures 1-6 As an embodiment of the utility model, a telescopic arm frame structure of a belt type arm frame machine comprises a first arm frame 1 and a second arm frame 2, and arm beams 3 are arranged on the first arm frame 1 and the second arm frame 2 respectively, characterized in that the bottom of the second arm frame 2 is provided with a clamping groove 5, the bottom of the first arm frame 1 is provided with a guide rail 4 movably clamped in the clamping groove 5, a plurality of first belt drive rollers 8 are rotatably arranged on the first arm frame 1 and the second arm frame 2 respectively, the bottom of the first arm frame 1 is provided with a base frame 7, the base frame 7 is rotatably provided with a second belt drive roller 9, and a belt 10 for conveying goods is movably connected on the first belt drive roller 8 and the second belt drive roller 9.

[0026] The bottom of the clamping groove 5 is provided with a sliding block 15, and the bottom of the first arm frame 1 is provided with a moving drive mechanism for driving the sliding block 15 to move horizontally.

[0027] The base frame 7 is provided with a groove body 19, and the groove body 19 movably clamps a clamping block 20, wherein the two ends of the second belt drive roller 9 are rotatably arranged on the clamping block 20, and the clamping block 20 is provided with a spring 21 between the inner side top wall of the groove body 19.

[0028] The sliding block 15 and the clamping block 20 are connected through a linkage structure, and the sliding block 15 moves horizontally at the same time, which drives the clamping block 20 to slide up and down in the groove body 19 to drive the second belt drive roller 9 to move up and down, so that the tension of the belt 10 on the first belt drive roller 8 and the second belt drive roller 9 is adjusted by changing the position of the second belt drive roller 9.

[0029] In the embodiment, the first arm support 1 and the second arm support 2 are arranged by setting the guide rail 4 and the clamping groove 5, the first arm support 1 and the second arm support 2 are telescopic, the first belt driving roller 8 is rotatably arranged on the first arm support 1 and the second arm support 2, the second belt driving roller 9 is rotatably arranged on the bottom frame 7 of the first arm support 1, the belt 10 is drivingly connected to the first belt driving roller 8 and the second belt driving roller 9, the belt 10 is used for conveying goods, the first arm support 1 is rotatably arranged on the ship loader through the hinge rod 6, the first arm support 1 is adjusted in rotation angle through the ship loader, the sliding block 15 is horizontally moved through the moving driving mechanism arranged at the bottom of the first arm support 1, the second arm support 2 is telescopic with the first arm support 1, the goods horizontal falling point position is adjusted through the height adjustment of the second arm support 2 and the telescopic movement, the goods on the goods ship of different heights are conveyed, the clamping block 20 is slid up and down in the groove 19 to drive the second belt driving roller 9 to move up and down when the sliding block 15 is horizontally moved, the position of the second belt driving roller 9 is changed synchronously to adjust the tension of the belt 10 on the first belt driving roller 8 and the second belt driving roller 9, the tension of the belt 10 is kept at any time when the second arm support 2 is telescopic, and the conveying requirement of the belt 10 to the goods is met.

[0030] As a further scheme of the utility model, the hinge rod 6 is rotatably arranged at one end of the first arm support 1, and the first arm support 1 is rotatably arranged on the ship loader through the hinge rod 6.

[0031] In the embodiment, the first arm support 1 is rotatably arranged on the ship loader, the height of one end of the second arm support 2 is adjusted when the first arm support 1 is rotated, the conveying angle of the belt 10 is adjusted, and the goods on the ship body of different heights are conveyed.

[0032] As a further scheme of the utility model, the first belt driving rollers 8 are equidistantly arranged on the first arm support 1 and the second arm support 2, the first motor 11 is arranged on one side of one first belt driving roller 8 on the first arm support 1, the output end of the first motor 11 is fixedly connected with one end of the first belt driving roller 8, and the first belt driving roller 8 is driven to rotate by the first motor 11.

[0033] In the embodiment, the first motor 11 is started, the first arm support 1 is driven to rotate by the first motor 11, the first belt driving roller 8, the second belt driving roller 9 and the belt 10 are driven to rotate through the driving connection of the first belt driving roller 8, the second belt driving roller 9 and the belt 10, and the goods are conveyed by the belt 10.

[0034] As a further scheme of the utility model, the mobile driving mechanism comprises a mounting frame 12 fixed at the bottom of the first arm support 1, a screw rod 14 rotatably arranged on the mounting frame 12, a limiting rod 17 arranged on the mounting frame 12, and a threaded hole 16 threadedly connected with the screw rod 14 and a limiting hole 18 movably sleeved on the limiting rod 17 formed in the sliding block 15.

[0035] In the embodiment, the screw rod 14 rotates, the threaded hole 16 on the sliding block 15 is threadedly connected with the screw rod 14, the sliding block 15 is horizontally moved, the clamping groove 5 at the top of the sliding block 15 is horizontally moved, the second arm support 2 is telescoped, the belt 10 on the second arm support 2 is horizontally moved, and the limiting hole 18 movably sleeved on the limiting rod 17 is used for limiting the movement of the sliding block 15.

[0036] As a further scheme of the utility model, the screw rod 14 is provided with a second motor 13 fixed on the mounting frame 12 at one end, and the output end of the second motor 13 is connected with the screw rod 14 through a shaft coupling.

[0037] In the embodiment, the second motor 13 is started, the second motor 13 can drive the screw rod 14 to rotate, the screw rod 14 rotates, the threaded hole 16 on the sliding block 15 is threadedly connected with the screw rod 14, the sliding block 15 is horizontally moved, and the clamping groove 5 at the top of the sliding block 15 is horizontally moved.

[0038] As a further scheme of the utility model, the linkage structure comprises a sleeve 23 fixed at the bottom of the sliding block 15, a rotating rod 24 movably inserted into the sleeve 23, a swing arm 22 arranged between the rotating rod 24 and the second belt transmission roller 9, and the swing arm 22 is hingedly connected with the rotating rod 24 and the second belt transmission roller 9 at both ends.

[0039] In the embodiment, the sliding block 15 is horizontally moved, the swing arm 22 is swung, the swing arm 22 is hingedly connected with the rotating rod 24 and the second belt transmission roller 9 at both ends, the clamping block 20 at one end of the swing arm 22 is slid up and down in the groove body 19, and the second belt transmission roller 9 rotatably arranged on the clamping block 20 is moved up and down for adjustment.

[0040] As a further scheme of the utility model, the outer periphery of the spring 21 is provided with a limiting ring fixed on the bottom frame 7, and the spring 21 is movably clamped in the limiting ring.

[0041] In the embodiment, the spring 21 is elastically stretched and contracted to always exert a downward force on the clamping block 20, the upward movement of the clamping block 20 is limited, the spring 21 is movably clamped in the limiting ring, the limiting ring is used for limiting the spring 21, and position deviation of the spring 21 is prevented when the spring 21 is compressed.

[0042] The utility model discloses a first arm support 1, second arm support 2 are set up, utilize the cooperation and installation of guide rail 4, card slot 5, can make the telescopic between first arm support 1 and second arm support 2, first arm support 1, first belt drive roller 8 is respectively installed on second arm support 2 and rotates, the second belt drive roller 9 is rotatably installed on the chassis 7 of first arm support 1 bottom, and the second belt drive roller 9 is drivenly connected with the belt 10 on first belt drive roller 8, and the belt 10 is used for conveying goods, and first arm support 1 is rotatably installed on the ship loader through the hinged link 6, thereby the angle of rotation of first arm support 1 is adjusted through the ship loader to satisfy different ship body cargo hold height, and the sliding block 15 is driven to move horizontally through the mobile drive mechanism arranged at the bottom of first arm support 1, can drive the telescopic between second arm support 2 and first arm support 1, thereby the horizontal falling point position of goods can be adjusted through the height adjustment of second arm support 2 and the telescopic movement of second arm support 2, thereby adapt to the goods conveying on the goods ship of different height, and the sliding block 15 horizontal movement will drive the clamping block 20 in the groove body 19 up and down sliding to drive the second belt drive roller 9 up and down movement, thereby the position of second belt drive roller 9 is changed synchronously to adjust the tension of the belt 10 on first belt drive roller 8, second belt drive roller 9, thereby the utility model can keep the tension of the belt 10 at all times when telescopic adjustment is carried out to second arm support 2, thereby satisfy the requirement of the belt 10 to the goods conveying.

[0043] The above examples are exemplary rather than limiting, and the technical solutions of the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model, which are all included in the utility model.

Claims

1. A telescopic boom structure of a belt-type boom machine, comprising a first boom (1) and a second boom (2), an arm beam (3) being provided on each of the first boom (1) and the second boom (2), characterized in that, The bottom of the second arm frame (2) is provided with a clamping groove (5), the bottom of the first arm frame (1) is provided with a guide rail (4) movably clamped in the clamping groove (5), a plurality of first belt driving rollers (8) are rotatably installed on the first arm frame (1) and the second arm frame (2) respectively, the bottom of the first arm frame (1) is provided with a chassis (7), the chassis (7) is rotatably provided with a second belt driving roller (9), and the first belt driving roller (8) and the second belt driving roller (9) are drivingly connected with a belt (10) for conveying goods. The bottom of the clamping groove (5) is provided with a sliding block (15), and the bottom of the first arm frame (1) is provided with a moving drive mechanism for driving the sliding block (15) to move horizontally. The chassis (7) is provided with a groove (19), and the groove (19) movably clamps a clamping block (20), wherein the two ends of the second belt driving roller (9) are rotatably installed on the clamping block (20), and the clamping block (20) and the inner top wall of the groove (19) are provided with a spring (21). The sliding block (15) and the clamping block (20) are connected through a linkage structure, and the sliding block (15) moves horizontally while driving the clamping block (20) to slide up and down in the groove (19) to drive the second belt driving roller (9) to move up and down, so as to adjust the tension of the belt (10) on the first belt driving roller (8) and the second belt driving roller (9) by changing the position of the second belt driving roller (9).

2. A belt line boom structure according to claim 1 wherein, One end of the first arm frame (1) is rotatably provided with a hinge rod (6), and the first arm frame (1) is rotatably installed on the ship loader through the hinge rod (6).

3. The belt line boom structure according to claim 1, wherein, A plurality of first belt driving rollers (8) are arranged at equal intervals on the first arm frame (1) and the second arm frame (2) respectively, wherein one first belt driving roller (8) on one side of the first arm frame (1) is provided with a first motor (11) fixed on the first arm frame (1), and one end of the first belt driving roller (8) is fixedly installed on the output end of the first motor (11) and is driven to rotate by the first motor (11).

4. The belt line structure of the telescopic boom of the belt line boom machine according to claim 1, wherein The moving drive mechanism comprises a mounting frame (12) fixed on the bottom of the first arm frame (1), a screw rod (14) rotatably arranged on the mounting frame (12), a limiting rod (17) arranged on the mounting frame (12), a threaded hole (16) threadedly connected with the screw rod (14) and a limiting hole (18) movably sleeved on the limiting rod (17) are arranged on the sliding block (15).

5. A belt line boom structure according to claim 4 wherein, One end of the screw rod (14) is provided with a second motor (13) fixed on the mounting frame (12), and the output end of the second motor (13) is connected with the screw rod (14) through a shaft coupling.

6. The belt line structure of the telescopic boom of the belt line boom machine according to claim 1, wherein The linkage structure comprises a sleeve (23) fixed on the bottom of the sliding block (15), a rotating rod (24) movably inserted into the sleeve (23), a swing arm (22) arranged between the rotating rod (24) and the second belt driving roller (9), and the swing arm (22) is hingedly connected with the rotating rod (24) and the second belt driving roller (9) at two ends.

7. The belt line boom structure of claim 1 wherein, The outer periphery of the spring (21) is provided with a limiting ring fixed on the chassis (7), and the spring (21) is movably clamped in the limiting ring.

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