CN211255001U - Adjustable assembled portal frame - Google Patents

Abstract

An adjustable assembled gantry includes four gantry supports, a first connecting rod, a connecting column and a second connecting rod; the gantry support includes a base, a fixing column, a fixing rod and a first sliding block; An opening bin with an upward opening is arranged; a chute for the first sliding block to slide is vertically arranged in the opening bin; the lifting device is arranged below the fixed rod; A rocking handle and a rotating shaft; a lifting tool is arranged at the intersection of the first connecting rod and the second connecting rod. Through the design of four gantry support parts, a first connecting rod, a connecting column, a second connecting rod and a lifting device, the utility model obtains a simple structure, which is easy to install and disassemble, can freely adjust the height of the gantry and has a stable structure. Gantry; has high practicability.

Description

An adjustable assembled gantry

technical field

The utility model relates to the technical field of gantry frames, in particular to an adjustable assembled gantry frame.

Background technique

The gantry (mobile hoisting small gantry) is a new type of small hoisting gantry developed according to the daily production needs of medium or small factories (companies) for handling equipment and warehouse in and out, lifting and repairing heavy equipment and material transportation needs. It is suitable for making molds, auto repair factories, mines, civil construction sites and occasions where lifting is required. The existing gantry frames are more or less fixed in height, the height of the gantry frame cannot be adjusted, and the use is not flexible enough. The space in the workshop is narrow, the lifting machinery cannot be used, the lifting height is limited, and there is no hoisting hole at the top of the workshop, which affects the use of the gantry.

Utility model content

(1) Purpose of utility model

In order to solve the technical problems existing in the background technology, the utility model proposes an adjustable assembling gantry, through the design of four gantry supports, a first connecting rod, a connecting column, a second connecting rod and a lifting device, the A gantry with simple structure, easy installation and disassembly, freely adjustable gantry height and stable structure, and high practicability.

(2) Technical solutions

In order to solve the above problems, the utility model provides an adjustable assembly gantry, which includes four gantry supports, a first connecting rod, a connecting column and a second connecting rod; the first connecting rod and the second connecting rod are connected by The columns are superimposed and cross-rotated; the connecting columns are arranged vertically through the first connecting rod and the second connecting rod in sequence from top to bottom; the two ends of the first connecting rod and the second connecting rod are respectively connected with the two gantry supports ;

The gantry support includes a base, a fixing column, a fixing rod and a first sliding block; the fixing column is vertically arranged on the top of the base; an opening bin with an upward opening is arranged on the fixing column; A chute for sliding the first sliding block is vertically arranged in the opening bin; one end of the first sliding block is set on the fixing rod, and the other end of the first sliding block is slidably set on the chute; The lifting device used to control the lifting and lowering of the fixed rod; the lifting device is arranged below the fixed rod;

The lifting device includes a second sliding block, a lifting rod, a plurality of clamping blocks, gears, a rocking handle and a rotating shaft; the lifting rod is vertically arranged in the opening bin; on the bottom; one end of the second sliding block is arranged on the lifting rod, and the other end of the second sliding block is slidably arranged on the chute; a plurality of clamping blocks are arranged in sequence on the lifting rod along the vertical direction; the gear is vertically arranged in the opening The gear is meshed with the clamping block; the rotating shaft is set horizontally, one end of the rotating shaft is horizontally inserted into the opening bin and connected with the gear, and the other end of the rotating shaft is connected with the rocker; the rocker is set outside the fixed column;

A lifting tool is provided at the intersection of the first connecting rod and the second connecting rod.

Preferably, a plug is included; the lifting rod is sequentially provided with a plurality of first jacks along the vertical direction; the fixing column is sequentially provided with a plurality of second jacks along the vertical direction; on the gantry support.

Preferably, the bottom of the base is provided with a plurality of universal wheels.

Preferably, the fixing rod is an inner hollow pipe.

Preferably, a rotary motor for driving the gear to rotate is arranged on the fixed column.

Preferably, a soft protective cover is arranged on the crank handle.

Preferably, a limit block is provided at the bottom of the lift rod.

In the utility model, when using the gantry support, firstly by moving the gantry support, the first connecting rod and the second connecting rod are in a crisscross shape, and at this time, the lifting tool is installed on the first connecting rod and the second connecting rod. The intersection of the connecting rods is sufficient. When the height of the gantry needs to be adjusted, the crank handle is rotated, and the crank handle drives the gear to rotate. Since the gear meshes with the block, the gear rotation drives the lift rod to rise or fall, and the lift rod rises or falls to drive the fixed rod to rise or fall. When the first connecting rod and the second connecting rod overlap each other in parallel, the gantry is retracted, which saves space and is easy to use. The device has a simple structure, is easy to install and disassemble, can freely adjust the height of the gantry, has a stable structure, and has high practicability.

In the utility model, when the gantry frame is adjusted to a suitable height, the gantry frame can be fixed through the use of the latch, which is convenient for use; a plurality of universal wheels are arranged at the bottom of the base to facilitate the movement of the device; the fixing rod is hollow inside Pipe fittings save materials and facilitate the lifting and lowering of the fixed rod; a rotating motor for driving the gear to rotate is set on the fixed column, and the lifting rod can be controlled to move up and down by controlling the rotating motor, automatic operation, and easy to use; The friction between the hand and the crank handle is easy to grasp and shake the crank handle; a limit block is set at the bottom of the lift rod to prevent the bottom of the lift rod from exceeding the range of the gear, making the device ineffective.

Description of drawings

FIG. 1 is a schematic three-dimensional structure diagram of an adjustable assembly gantry proposed by the utility model.

2 is a schematic structural diagram of a gantry support in an adjustable assembling gantry proposed by the present invention.

3 is a schematic side view of the structure of an adjustable assembly gantry proposed by the present invention.

Fig. 4 is a partial enlarged structural schematic diagram of an adjustable assembly gantry proposed by the utility model.

Reference numerals: 1. base; 2. universal wheel; 3. fixed column; 4. open bin; 5. fixed rod; 6. first sliding block; 7. chute; 8. lifting device; 9. first Connecting rod; 10. Gantry support; 11. Connecting column; 12. Lifting tool; 13. Second slider; 14. Lifting rod; 15. Block; 16. Gear; 17. Rocker; 18. Rotation shaft; 19, the first jack; 20, the second jack; 21, the pin; 22, the second connecting rod.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clear, the present utility model will be further described in detail below in conjunction with the specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present invention.

As shown in Figures 1-4, an adjustable assembled gantry proposed by the present utility model includes four gantry supports 10, a first connecting rod 9, a connecting column 11 and a second connecting rod 22; The connecting column 11 is arranged vertically through the first connecting rod 9 and the second connecting rod 22 from top to bottom in turn; the two ends of the first connecting rod 9 and the second connecting rod 22 are respectively connected with the two gantry frames. The supporting member 10 is connected and arranged;

The gantry support 10 includes a base 1, a fixed column 3, a fixed rod 5 and a first sliding block 6; the fixed column 3 is vertically arranged on the top of the base 1; the fixed column 3 is provided with an opening chamber 4 with an upward opening; One end of the first slider 6 is vertically inserted into the opening compartment 4 and is arranged on the fixing column 3; the opening compartment 4 is vertically arranged with a chute 7 for the first slider 6 to slide; one end of the first slider 6 is arranged on the fixing rod 5, and the first The other end of the sliding block 6 is slidably arranged on the chute 7; a lifting device 8 for controlling the lifting and lowering of the fixing rod 5 is arranged in the opening bin 4; the lifting device 8 is arranged below the fixing rod 5;

The lifting device 8 includes a second sliding block 13, a lifting rod 14, a plurality of clamping blocks 15, a gear 16, a rocker 17 and a rotating shaft 18; the lifting rod 14 is vertically arranged in the opening bin 4; the two ends of the lifting rod 14 are respectively Set on the bottom of the opening compartment 4 and the bottom of the fixed rod 5; one end of the second sliding block 13 is set on the lifting rod 14, and the other end of the second sliding block 13 is slidably set on the chute 7; The vertical direction is arranged in sequence on the lifting rod 14; the gear 16 is vertically arranged in the opening bin 4; the gear 16 is meshed with the clamping block 15; 16 is connected and set, and the other end of the rotating shaft 18 is connected with the rocker 17; the rocker 17 is set outside the fixed column 3;

A lifting tool 12 is provided at the intersection of the first connecting rod 9 and the second connecting rod 22 .

In the utility model, when using the gantry support, firstly by moving the gantry support, the first connecting rod and the second connecting rod are in a crisscross shape, and at this time, the lifting tool is installed on the first connecting rod and the second connecting rod. The intersection of the connecting rods is sufficient. When the height of the gantry needs to be adjusted, the crank handle is rotated, and the crank handle drives the gear to rotate. Since the gear meshes with the block, the gear rotation drives the lift rod to rise or fall, and the lift rod rises or falls to drive the fixed rod to rise or fall. When the first connecting rod and the second connecting rod overlap each other in parallel, the gantry is retracted, which saves space and is easy to use. The device has a simple structure, is easy to install and disassemble, can freely adjust the height of the gantry, has a stable structure, and has high practicability.

In an optional embodiment, a plug 21 is included; the lifting rod 14 is provided with a plurality of first sockets 19 in the vertical direction; the fixing column 3 is provided with a plurality of second sockets 20 in the vertical direction; the plug 21 is horizontal The second insertion hole 20 and the first insertion hole 19 are inserted in sequence and fixed on the gantry support member 10 .

It should be noted that, when the gantry frame is adjusted to a suitable height, the gantry frame can be fixed through the use of the latch, which is convenient for use.

In an optional embodiment, a plurality of universal wheels 2 are arranged at the bottom of the base 1 .

It should be noted that the bottom of the base is provided with a plurality of universal wheels to facilitate the movement of the device.

In an optional embodiment, the fixing rod 5 is a hollow tube inside.

It should be noted that the fixing rod is an inner hollow pipe, which saves materials and facilitates the lifting and lowering of the fixing rod.

In an optional embodiment, a rotary motor for driving the gear 16 to rotate is provided on the fixed column 3 .

It should be noted that a rotating motor for driving the rotation of the gear is arranged on the fixed column, and the lifting rod can be controlled to rise and fall by controlling the rotating motor, and the automatic operation is convenient for use.

In an optional embodiment, a soft protective cover is provided on the crank handle 17 .

It should be noted that a soft protective cover is provided on the crank handle, which improves the friction between the hands of the personnel and the crank handle, and facilitates the grasping and shaking of the crank handle.

In an optional embodiment, a limit block is provided at the bottom of the lift rod 14 .

It should be noted that the bottom of the lift rod is provided with a limit block to prevent the bottom of the lift rod from exceeding the range of the gear, making the device fail.

It should be understood that, the above-mentioned specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, but not to limit the present invention. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included within the protection scope of the present invention. Furthermore, the appended claims of this invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalents of such scope and boundaries.

Claims (7)

1. An adjustable assembled portal frame is characterized by comprising four portal frame supporting pieces (10), a first connecting rod (9), a connecting column (11) and a second connecting rod (22); the first connecting rod (9) and the second connecting rod (22) are arranged in a superposition, crossing and rotating mode through the connecting column (11); the connecting column (11) sequentially vertically penetrates through the first connecting rod (9) and the second connecting rod (22) from top to bottom; two ends of the first connecting rod (9) and the second connecting rod (22) are respectively connected with the two portal frame supporting pieces (10);

the portal frame supporting piece (10) comprises a base (1), a fixed column (3), a fixed rod (5) and a first sliding block (6); the fixing column (3) is vertically arranged at the top of the base (1); an opening bin (4) with an upward opening is arranged on the fixing column (3); one end of a fixed rod (5) is vertically inserted into the opening bin (4) and is arranged on the fixed column (3); a sliding groove (7) for the first sliding block (6) to slide is vertically arranged in the opening bin (4); one end of the first sliding block (6) is arranged on the fixed rod (5), and the other end of the first sliding block (6) is arranged on the sliding groove (7) in a sliding manner; a lifting device (8) for controlling the fixed rod (5) to lift is arranged in the open bin (4); the lifting device (8) is arranged below the fixed rod (5);

the lifting device (8) comprises a second sliding block (13), a lifting rod (14), a plurality of clamping blocks (15), a gear (16), a rocking handle (17) and a rotating shaft (18); the lifting rod (14) is vertically arranged in the opening bin (4); two ends of the lifting rod (14) are respectively arranged at the bottom of the opening bin (4) and the bottom of the fixing rod (5); one end of the second sliding block (13) is arranged on the lifting rod (14), and the other end of the second sliding block (13) is arranged on the sliding groove (7) in a sliding manner; a plurality of clamping blocks (15) are sequentially arranged on the lifting rod (14) along the vertical direction; the gear (16) is vertically arranged in the opening bin (4); the gear (16) is meshed with the clamping block (15); the rotating shaft (18) is horizontally arranged, one end of the rotating shaft (18) is horizontally inserted into the open bin (4) and is connected with the gear (16), and the other end of the rotating shaft (18) is connected with the rocking handle (17); the rocking handle (17) is arranged outside the fixed column (3);

a lifting tool (12) is arranged at the junction of the first connecting rod (9) and the second connecting rod (22).

2. An adjustable assembly portal frame according to claim 1, characterized by comprising a latch (21); the lifting rod (14) is sequentially provided with a plurality of first jacks (19) along the vertical direction; the fixing column (3) is sequentially provided with a plurality of second jacks (20) along the vertical direction; the bolt (21) is horizontally inserted into the second jack (20) and the first jack (19) in sequence and fixed on the portal frame supporting piece (10).

3. The adjustable assembly portal frame according to claim 1, wherein a plurality of universal wheels (2) are arranged at the bottom of the base (1).

4. The adjustable assembly portal frame according to claim 1, wherein the fixing rod (5) is a tube member with a hollow interior.

5. An adjustable assembly portal frame according to claim 1, characterized in that the fixed column (3) is provided with a rotating motor for driving the gear (16) to rotate.

6. The adjustable assembly portal frame of claim 1, wherein the rocking handle (17) is provided with a soft protective sleeve.

7. The adjustable assembly portal frame of claim 1, wherein the bottom of the lifting rod (14) is provided with a limiting block.

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