Lithium battery three-stage portal frame

Abstract

The utility model discloses a lithium battery three-stage gantry, which belongs to the technical field of engineering machinery and comprises a gantry structure, the gantry structure comprises an outer gantry, a middle gantry and an inner gantry, and moving wheels are rotatably mounted on the left and right side surfaces of the inner gantry and the left and right side surfaces of the middle gantry. The moving wheels on the inner door frame are attached to the inner wall of the middle door frame in a rolling mode, and the moving wheels on the middle door frame are attached to the inner wall of the outer door frame in a rolling mode. The outer door frame, the middle door frame and the inner door frame are arranged to be matched with the hydraulic middle cylinder and the single chain for use, lifting of the middle door frame and the inner door frame can be achieved through one single chain, the door frame is suitable for being used in a narrow space range, the overall structure needs to be more compact, and the occupied space of the door frame is reduced by reasonably arranging all components of the door frame; the forklift can more flexibly run and operate in a narrow channel, the height of goods can be accurately adjusted through the multi-stage lifting function of the three-stage portal frame, and parts can be conveniently placed on goods shelf layers with different heights.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of engineering machinery, concretely relates to a lithium electricity three-stage gantry. BACKGROUND

[0002] The engineering machinery industry needs various equipment in the working process, one of which is a forklift, the forklift is an industrial handling vehicle, which is a kind of various wheeled handling vehicles for loading, unloading, stacking and short-distance transporting of palletized goods. It is commonly used for transporting large objects in warehouses, and usually uses fuel engines or batteries. The technical parameters of the forklift are used to show the structural characteristics and working performance of the forklift. The main technical parameters are: rated lifting capacity, load center distance, maximum lifting height, gantry inclination angle, maximum travel speed, minimum turning radius, minimum ground clearance and wheelbase, etc. The forklift gantry is an important device on the forklift, and the forklift gantry is the main load-bearing structure of the forklift material taking device. The mechanism for lifting goods is also called a gantry, and the lifting of the gantry is realized by lithium battery power supply.

[0003] The existing forklift gantry has a relatively complicated overall structure, and is realized by multiple chains for lifting operation, which cannot be used in narrow space and has certain limitations in use. Therefore, we propose a lithium battery three-stage gantry. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a lithium battery three-stage gantry to solve the problem that the existing forklift gantry has a relatively complicated overall structure, is realized by multiple chains for lifting operation, and cannot be used in narrow space and has certain limitations in use.

[0005] To achieve the above object, the utility model provides the following technical scheme: a lithium battery three -level portal frame, including portal frame structure, the portal frame structure includes outer portal frame, middle portal frame and inner portal frame, the left and right two side surfaces of inner portal frame and the left and right two side surfaces of middle portal frame are rotatably installed with mobile wheel, the mobile wheel on inner portal frame rolls and is attached to the inner wall of middle portal frame, the mobile wheel on middle portal frame rolls and is attached to the inner wall of outer portal frame, the inner wall of inner portal frame is fixedly installed with middle cylinder joint and middle cylinder seat, single chain is arranged on middle cylinder seat, middle cylinder joint is installed below the hydraulic middle cylinder, the top of hydraulic middle cylinder is fixedly connected with one end of single chain, the side surface of middle portal frame is installed with gyro wheel, the gyro wheel is dynamically connected with connecting pipe, one end of connecting pipe is fixedly connected with middle cylinder joint, the other end of connecting pipe is fixedly connected with the speed limiting valve and transition steel pipe installed on the side surface of outer portal frame, the left and right two side surfaces of outer portal frame are fixedly installed with portal frame connecting seat, the side surface of middle portal frame is rotatably installed with sprocket, the sprocket is meshed with chain, and the both ends of chain are fixedly connected with outer portal frame and inner portal frame respectively, the side surface of inner portal frame is fixedly installed with goods blocking frame, two steel forks are arranged on goods blocking frame, and the other end of single chain is fixedly connected with goods blocking frame.

[0006] By setting outer portal frame, middle portal frame and inner portal frame in cooperation with hydraulic middle cylinder and single chain, the lifting of middle portal frame and inner portal frame can be realized by using one single chain, the overall structure needs to be more compact, the occupied space of the portal frame is reduced by reasonably arranging the components of the portal frame, the forklift can drive and work more flexibly in the narrow channel, and the multi-stage lifting function of the three-stage portal frame can accurately adjust the height of goods, so that the parts can be placed on the rack layer at different heights.

[0007] In the above scheme, it should be noted that the hydraulic middle cylinder is electrically connected with the lithium battery of the forklift.

[0008] As a preferred embodiment, the gyro wheel is provided with an annular groove, and a rubber tube is transmissionally connected in the annular groove.

[0009] By setting the rubber tube in cooperation with the annular groove on the gyro wheel, stable support of the outer portal frame, the inner portal frame and the middle portal frame can be realized, and the overall lifting stability is improved.

[0010] As a preferred embodiment, the side surface of the middle portal frame is fixedly installed with a wing plate, the side surface of the outer portal frame is fixedly installed with a clamping, and the wing plate is slidingly installed in the inner wall of the channel steel at the position.

[0011] By using the wing plate and the clamping portal frame in cooperation, the wing plate slides in the clamping when the middle portal frame lifts, and the overall stable lifting is realized by using the wing plate and the channel steel.

[0012] As a preferred implementation, the left and right sides of the outer gantry and the left and right sides of the middle gantry are turned to be provided with pulleys, the pulleys on the outer gantry are matched with the sides of the middle gantry, and the pulleys on the middle gantry are matched with the sides of the inner gantry.

[0013] By the above scheme, the pulleys are used in cooperation, so that the outer gantry, the middle gantry and the inner gantry have good sliding matching effect when sliding and lifting each other, and the sliding friction can effectively avoid friction loss.

[0014] As a preferred implementation, the blocking shelf is provided with a plurality of clamping holes, and the side surface of the steel fork is provided with a clamping seat matched with the clamping holes.

[0015] By the above scheme, the clamping seat on the steel fork is matched with the plurality of clamping holes on the fixed frame, so that the installation position of the steel fork can be adaptively adjusted according to needs, and the use universality is improved.

[0016] As a preferred implementation, the middle cylinder seat is provided with a middle cylinder chain wheel, and the middle cylinder chain wheel of the middle cylinder seat 6 is engaged with the single chain.

[0017] By the above scheme, the middle cylinder chain wheel on the middle cylinder seat is matched with the single chain, so that the engagement operation stability is improved.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The lithium battery three-stage gantry is matched with the hydraulic middle cylinder and the single chain through the outer gantry, the middle gantry and the inner gantry, one single chain can realize the lifting of the middle gantry and the inner gantry, is suitable for use in narrow space, the overall structure needs to be more compact, the occupied space of the gantry is reduced through the reasonable layout of the parts of the gantry, the forklift can more flexibly drive and work in the narrow channel, the multi-stage lifting function of the three-stage gantry can accurately adjust the height of goods, and the parts can be placed on the shelf layers at different heights. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a structural schematic view of the utility model;

[0021] Fig. 2 It is a structural schematic view of the utility model in three dimensions;

[0022] Fig. 3 It is a structural schematic view of the utility model in another angle in three dimensions.

[0023] In the figure: 1, outer portal; 2, middle portal; 3, inner portal; 4, roller; 5, connecting pipe; 6, middle cylinder base; 7, single chain; 8, speed limiting valve and transition steel pipe; 9, middle cylinder joint; 10, portal connecting seat; 11, chain wheel; 12, chain; 13, rubber tube; 14, clamping; 15, wing plate; 16, pulley; 17, moving wheel; 18, blocking shelf; 19, steel fork; 20, hydraulic middle cylinder. DETAILED DESCRIPTION

[0024] Please refer to Figs. 1-3 The utility model provides a lithium battery three -level portal, including portal structure, the portal structure includes outer portal 1, middle portal 2 and inner portal 3, the left and right two side surfaces of inner portal 3 and the left and right two side surfaces of middle portal 2 are rotatably installed with moving wheel 17, and the moving wheel 17 on the inner wall of middle portal 2 is rolled and adhered, the moving wheel 17 on the inner wall of middle portal 2 is rolled and adhered to the inner wall of outer portal 1, the inner wall of inner portal is fixedly installed with middle cylinder joint 9 and middle cylinder base 6, the middle cylinder base 6 is provided with single chain 7, the lower end of hydraulic middle cylinder 20 is installed with middle cylinder joint 9, the top end of hydraulic middle cylinder 20 is fixedly connected with one end of single chain 7, the side surface of middle portal 2 is installed with roller 4, the roller 4 is rotatably connected with connecting pipe 5, one end of connecting pipe 5 is fixedly connected with middle cylinder joint 9, the other end of connecting pipe 5 is fixedly connected with speed limiting valve and transition steel pipe 8 installed on the side surface of outer portal, the left and right two side surfaces of outer portal 1 are fixedly installed with portal connecting seat 10, the side surface of middle portal 2 is rotatably installed with chain wheel 11, the chain wheel 11 is meshed with chain 12, and the two ends of chain 12 are fixedly connected with outer portal 1 and inner portal 3 respectively, the side surface of inner portal 3 is fixedly installed with blocking shelf 18, the blocking shelf 18 is provided with two steel forks 19, and the other end of single chain 7 is fixedly connected with blocking shelf 18.

[0025] By setting outer portal 1, middle portal 2 and inner portal 3 cooperate with hydraulic middle cylinder 20 and single chain 7, the lifting of middle portal 2 and inner portal 3 can be realized by using a single chain 7, which is suitable for use in narrow space, and the overall structure needs to be more compact, by reasonably arranging the components of the portal, the occupied space of the portal is reduced, so that the forklift can drive and work more flexibly in the narrow channel, and the multi-stage lifting function of the three-stage portal can accurately adjust the height of the goods, so that the parts can be placed on the shelf layer of different heights.

[0026] The roller 4 is provided with an annular groove, and the annular groove is rotatably connected with the rubber tube 13, and the two ends of the rubber tube 13 are fixedly connected with the outer portal 1 and the inner portal 3 respectively, and the rubber tube 13 is used in cooperation with the annular groove on the roller 4, which can realize the stable support of the outer portal 1, the inner portal 3 and the middle portal 2, and improve the overall lifting stability.

[0027] The side of the middle door frame 2 is fixedly installed with a wing plate 15, the side of the outer door frame 1 is fixedly installed with a clamping 14, the wing plate 15 is slidingly installed in the inner wall of the channel steel at the corresponding position, the wing plate 15 and the channel steel are used in cooperation, so that the wing plate 15 slides in the channel steel when the middle door frame 2 is lifted, and the wing plate 15 and the channel steel are used in cooperation to realize stable lifting as a whole.

[0028] The left and right sides of the outer door frame 1 and the left and right sides of the middle door frame 2 are both provided with pulleys 16, the pulleys 16 on the outer door frame 1 are fitted with the sides of the middle door frame 2, the pulleys 16 on the middle door frame 2 are fitted with the sides of the inner door frame 3, the pulleys 16 are used in cooperation, so that the outer door frame 1, the middle door frame 2 and the inner door frame 3 have good sliding cooperation effect when they are lifted by sliding with each other, and the sliding friction can effectively avoid friction loss.

[0029] The blocking shelf 18 has a plurality of clamping holes, the side of the steel fork 19 has a clamping seat for cooperating with the clamping holes, the clamping seat on the steel fork 19 is used in cooperation with the plurality of clamping holes on the blocking shelf 18, so that the installation position of the steel fork 19 can be adaptively adjusted according to the needs, and the use universality is improved.

[0030] The middle cylinder seat 6 is provided with a middle cylinder chain wheel, the middle cylinder chain wheel of the middle cylinder seat 6 is used in meshing with the single chain 7, the middle cylinder chain wheel on the middle cylinder seat 6 is used in cooperation with the single chain 7, and the meshing operation stability is improved.

[0031] In use, the whole is installed on the forklift through the door frame connecting seat 10, the hydraulic middle cylinder 20 is electrically connected with the lithium battery of the forklift, when lifting is needed, the hydraulic middle cylinder 20 is started, the middle door frame 2 is driven to move upward through the single chain 7, and the three-level structure formed between the middle door frame 2 and the outer door frame 1 and the inner door frame 3 cooperates with the rollers 4 and the connecting pipes 5 to realize the upward movement of the inner door frame 3, so as to realize the lifting of the middle door frame 2 and the inner door frame 3.

Claims

1. A lithium battery three-stage gantry, characterized in that: The utility model provides a kind of movable door frame structure, including portal structure, the portal structure includes outer portal (1), middle portal (2) and inner portal (3), the left and right sides of the inner portal (3) and the left and right sides of the middle portal (2) are rotatably installed with mobile wheel (17), the mobile wheel (17) on the inner wall of the middle portal (2) of the inner portal (3) is rolled and is attached, the mobile wheel (17) on the inner wall of the outer portal (1) of the middle portal (2) is rolled and is attached, the inner wall of the inner portal (3) is fixedly installed with middle cylinder joint (9) and middle cylinder seat (6), single chain (7) is provided on the middle cylinder seat (6), middle cylinder (20) is installed with middle cylinder joint (9) below, the top end of the middle cylinder (20) is fixedly connected with one end of single chain (7), the side of the middle portal (2) is installed with roller (4), the roller (4) is movably connected with connecting pipe (5), one end of the connecting pipe (5) is fixedly connected with middle cylinder joint (9), the other end of the connecting pipe (5) is fixedly connected with speed limiting valve and transition steel pipe (8) installed on the side of the outer portal (1), the left and right sides of the outer portal (1) are fixedly installed with portal connecting seat (10), the side of the middle portal (2) is rotatably installed with sprocket (11), the sprocket (11) is meshingly provided with chain (12), the two ends of the chain (12) are fixedly connected with the outer portal (1) and the inner portal (3) respectively, the side of the inner portal (3) is fixedly installed with blocking goods shelf (18), two steel forks (19) are provided on the blocking goods shelf (18), the other end of the single chain (7) is fixedly connected with the blocking goods shelf (18).

2. The lithium battery three-stage gantry of claim 1, wherein: The roller (4) has an annular groove, and a rubber tube (13) is transmissionally connected in the annular groove.

3. The lithium battery tri-level gantry of claim 1, wherein: The side of the middle portal (2) is fixedly installed with a wing plate (15), the side of the outer portal (1) is fixedly installed with a clamping (14), and the wing plate (15) is slidingly installed in the inner wall of the channel steel at the corresponding position.

4. The lithium battery tri-level gantry of claim 1, wherein: The left and right sides of the outer portal (1) and the left and right sides of the middle portal (2) are rotatably installed with pulleys (16), the pulley (16) on the outer portal (1) is attached to the side of the middle portal (2), and the pulley (16) on the middle portal (2) is attached to the side of the inner portal (3).

5. The lithium battery tri-level gantry of claim 1, wherein: The blocking goods shelf (18) has a plurality of clamping openings, and the side of the steel fork (19) has a clamping seat matched with the clamping opening.

6. The lithium battery tri-level gantry of claim 1, wherein: The middle cylinder seat (6) is provided with a middle cylinder sprocket, and the middle cylinder sprocket of the middle cylinder seat (6) is meshingly used with the single chain (7).

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