CN218476240U - Tower crane jib loading boom upper chord otic placode positioner - Google Patents
Tower crane jib loading boom upper chord otic placode positioner Download PDFInfo
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- CN218476240U CN218476240U CN202222055003.8U CN202222055003U CN218476240U CN 218476240 U CN218476240 U CN 218476240U CN 202222055003 U CN202222055003 U CN 202222055003U CN 218476240 U CN218476240 U CN 218476240U
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Abstract
The utility model discloses a tower crane jib loading boom upper chord otic placode positioner, include: the base is arranged on the workbench; the ear plate pressing components are symmetrically arranged on two sides of the surface of the base and comprise pressing plates which are movably arranged and used for pressing the side surfaces of the ear plates of the workpiece; the rotary pressing assembly is arranged on the surface of the base and comprises a first pressing block pressed on the surface of the workpiece; the centering and clamping assembly is arranged on one side of the base and comprises a pair of second pressing blocks which are arranged in a centering and moving mode and used for clamping one end of a workpiece; the lug plate positioning assembly is arranged on the base, comprises a block for blocking up a workpiece and a positioning block for positioning the lug plate of the workpiece, can realize high-precision positioning of the upper chord lug plate of the crane boom in various models by switching different blocks for blocking up, positioning blocks and positioning pins, and can realize the effect of quickly loading and unloading the workpiece through the rotary compression assembly and the centering and clamping assembly.
Description
Technical Field
The utility model belongs to the technical field of jib loading boom welding position, especially, jib loading boom upper chord otic placode positioner.
Background
The crane boom is an important device on a tower crane and is used for supporting the hoisting of a container and enabling a loading bridge to have certain hoisting height and width.
The cargo boom is commonly called as an arm support and a suspension arm, a bidirectional bending metal structural part for supporting a lifting rope, a fetching device or an amplitude variation trolley is supported on a rotary table or a tower body of the crane by a connecting pin shaft, a steel wire rope or a hydraulic cylinder, and for the cargo boom which can swing in a pitching way, the inclination angle of the cargo boom is changed by an amplitude variation mechanism so as to change the amplitude and the lifting height of the crane; the horizontal crane arm is changed in amplitude by the amplitude-variable trolley moving back and forth on the horizontal crane arm. The truss type lifting device is divided into a truss lifting arm and a box lifting arm according to different structures; the device is divided into a movable arm of a crane, a main cargo boom, an auxiliary cargo boom, a telescopic boom, a folding boom, a goose head frame and the like according to different functions.
The boom upper chord ear plate positioning device is a device which is suitable for playing a role in positioning when a boom is welded, is a common positioning device for welding the boom in the prior art, and has a basic structure that positioning blocks, positioning pins and the like are adopted to achieve the positioning effect of the upper chord ear plate, but the positioning mode generally lacks a workbench and is extremely inconvenient to produce; meanwhile, the repeated positioning precision of the product cannot be guaranteed, and positioning deviation can be generated in the long-term production process, so that the assembly state is unstable.
SUMMERY OF THE UTILITY MODEL
For solving above technical problem, the utility model provides a tower crane jib loading boom upper chord otic placode positioner through switching different bed hedgehopping piece, locating piece and locating pin, can realize the high accuracy location of the jib loading boom upper chord otic placode of multiple model, can realize the effect of piece about quick through rotatory pressing assembly and centering clamping assembly simultaneously.
The utility model adopts the following technical scheme:
a tower crane boom upper chord otic placode positioner includes: the base is arranged on the workbench; the ear plate pressing components are symmetrically arranged on two sides of the surface of the base and comprise pressing plates which are movably arranged and used for pressing the side surfaces of the ear plates of the workpiece; the rotary pressing assembly is arranged on the surface of the base and comprises a first pressing block pressed on the surface of the workpiece; the centering and clamping assembly is arranged on one side of the base and comprises a pair of second pressing blocks which are arranged in a centering and moving mode and are used for clamping one end of a workpiece; the lug plate positioning assembly is arranged on the base and comprises a heightening block for heightening a workpiece and a positioning block for positioning the lug plate of the workpiece.
Preferably, the positioning block is positioned between the two ear plates of the workpiece.
Preferably, the lug plate positioning assembly further comprises a positioning pin penetrating through the workpiece lug plate hole and a positioning shaft sleeve matched with the positioning pin.
Preferably, the ear plate pressing assembly further comprises: the mounting plate is arranged on the base; the screw rod is in threaded fit on the mounting plate, and one end of the screw rod is connected with the pressing plate; the guide shaft is arranged on the mounting plate, and one end of the guide shaft is connected with the pressing plate; the first hand wheel is arranged at the other end of the screw rod.
Preferably, a gasket is arranged between the adjusting handle and the mounting arm.
Preferably, the rotary pressing assembly includes: the rotary pressing support is arranged on the base; the rotating arm is arranged on the rotating pressing support; the pressing rod is movably matched on the rotating arm, and one end of the pressing rod is provided with a first pressing block; the rotating handle is arranged at the other end of the pressure rod.
Preferably, the centering and clamping assembly comprises: the supporting seat is arranged on the side surface of the base, and the middle part of the supporting seat is provided with a mounting hole; the centering screw rod is arranged in the mounting hole of the supporting seat; the pair of second pressing blocks are respectively arranged on two sections of the centering screw rod in different screw directions; and the second hand wheel is connected to one end of the centering screw rod and used for driving the centering screw rod to rotate so as to enable the second pressing block to perform centering movement.
Preferably, the device further comprises a guide strip, and the pair of second pressing blocks are in sliding fit on the guide strip.
Preferably, the centering screw rod further comprises a pair of sliding blocks, the second pressing block is connected to the sliding blocks, and the pair of sliding blocks are arranged on two sections of the centering screw rod in different screw directions.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model discloses a switch different bed hedgehopping piece, locating piece and locating pin, can realize the high accuracy location of the jib loading boom upper chord otic placode of multiple model, can compress tightly the effect that subassembly and centering clamping components realized piece about quick through the rotation simultaneously.
2. The utility model discloses a locating pin passes work piece otic placode pore pair work piece one end and fixes a position, uses the otic placode to compress tightly the subassembly and fixes a position work piece otic placode both sides, compresses tightly in the work piece upper surface through the rotation and fixes a position the work piece, carries out the centering through centering clamping component to the work piece other end and steps up the realization location, can realize the welding deformation of prevention work piece, can reach the effect of piece about quick simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a positioning device.
Fig. 2 is a top view of the positioning device.
Fig. 3 is a side view of the positioning device.
Fig. 4 is a schematic view of the ear plate compression assembly.
Fig. 5 is a schematic view of the centering and clamping assembly.
Fig. 6 is a schematic structural view of the rotary compressing assembly.
In the figure, a base 1, an ear plate pressing component 2, a pressing plate 21, a mounting plate 22, a screw rod 23, a guide shaft 24, a first hand wheel 25, a rotary pressing component 3, a first pressing block 31, a rotary pressing support 32, a rotary arm 33, a pressing rod 34, a rotary handle 35, a centering clamping component 4, a second pressing block 41, a support seat 42, a centering screw rod 43, a second hand wheel 44, a guide strip 45, a sliding block 46, a heightening block 5, a positioning block 6, a positioning pin 7 and a positioning shaft sleeve 8 are arranged.
Detailed Description
In order to facilitate understanding of the technical solutions of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1-6, a tower crane boom upper chord ear plate positioning device comprises:
the base 1 is arranged on the workbench;
as shown in fig. 4, the ear plate pressing assembly 2 is symmetrically disposed on two sides of the surface of the base 1, and includes:
the pressing plate 21 is movably arranged on the workbench and used for pressing the side surface of the workpiece ear plate;
the mounting plate 22 is connected with the base 1 through bolts;
a screw 23 which is in threaded fit with the mounting plate 22 and one end of which is connected with the pressing plate 21;
a guide shaft 24 which is arranged on the mounting plate 22 and one end of which is connected with the pressing plate 21;
a first hand wheel 25 arranged at the other end of the screw rod 23;
when the clamping device is in use, the first hand wheel 25 is rotated to drive the screw rod 23 to rotate, so that the pressing plate 21 is driven to move, the left pressing plate 21 and the right pressing plate 21 are matched to press the side face of the lug plate of the workpiece, and meanwhile, different block-up blocks 5, positioning blocks 6 and positioning pins 7 are switched, so that high-precision positioning of workpieces (upper chord lug plates of crane booms) of various types can be realized.
As shown in fig. 6, the rotating pressing component 3 is disposed on the surface of the base 1, and includes:
the first pressing block 31 is pressed on the upper surface of the workpiece to tightly press and position the workpiece;
the rotary pressing support 32 is arranged on the base 1;
a rotating arm 33, which is arranged on the rotating pressing support 32 and comprises a mounting arm extending outwards;
a pressure lever 34 movably fitted on the mounting arm of the rotating arm 33 and having a first pressure block 31 at one end;
a rotating handle 35 arranged at the other end of the pressure lever 34;
in use, the rotary handle 35 is rotated to adjust the height of the compression rod 34, so that the height of the first pressing block 31 is adjusted.
In the embodiment, the mounting arm is provided with a threaded hole, the pressing rod 34 is in threaded fit with the threaded hole, the height of the pressing rod 34 can be adjusted by rotating the pressing rod 34, the effects of quick clamping and loosening can be achieved, the pressing device is suitable for pressing of workpieces of various types, and manual loading and unloading are facilitated.
As shown in fig. 5, the centering and clamping assembly 4 is disposed on one side of the base 1, and includes:
the supporting seat 42 is fixedly arranged on the side surface of the base 1 through bolts, and the middle part of the supporting seat is provided with a mounting hole;
the centering screw rod 43 is arranged in the mounting hole of the supporting seat 42;
a pair of second press blocks 41 respectively arranged on two sections of the centering screw rod 43 in different screw directions;
the second wheel 44 is connected to one end of the centering screw rod 43 and is used for driving the centering screw rod 43 to rotate so as to enable the second pressing block 41 to perform centering movement;
the guide strip 45 is arranged in the mounting hole of the support seat 42;
the pair of sliding blocks 46 are connected to the second pressing block 41, and the pair of sliding blocks 46 are arranged on two sections of the centering screw rod 43 in different screw directions;
when the centering clamping device is used, the second hand wheel 44 is rotated, so that the pair of second pressing blocks 41 can be centered and moved, namely, the pair of second pressing blocks 41 simultaneously move inwards or outwards, thereby realizing the centering clamping of workpieces of various types without using a positioning surface for positioning.
The lug plate positioning assembly is arranged on the base 1 and comprises a heightening block 5 for heightening a workpiece and a positioning block 6 for positioning a lug plate of the workpiece, the heightening block 5 is arranged on the base 1, and the workpiece is arranged above the heightening block 5 to position the height of the workpiece; the workpiece is provided with two lug plates, the positioning block 6 is positioned between the two lug plates, the height between the two lug plates is ensured, and the positioning of the lug plates of the workpiece is realized.
The lug plate positioning assembly further comprises a positioning pin 7 and a positioning shaft sleeve 8, the positioning pin 7 penetrates through the hole of the workpiece lug plate to realize positioning of one end of the workpiece, and the positioning shaft sleeve 8 is located on the base 1 and matched with the positioning pin 7.
Wherein, base 1 side is equipped with the regulating block, can adjust base 1's position through the regulating block.
In one embodiment, the positioning block 6 has a U-shaped block structure.
In one embodiment, the mounting plate 22 is provided with an oilless bushing, and the guide shaft 24 is located in the oilless bushing to reduce friction during use.
The utility model discloses when using, at first pass work piece otic placode pore pair work piece one end through locating pin 7 and fix a position, reuse the otic placode and compress tightly subassembly 2 and fix a position work piece otic placode both sides, compress tightly subassembly 3 through the rotation and sticis and fix a position the work piece in the work piece upper surface, carry out the centering through centering clamping unit 4 and step up the realization location to the work piece other end, can realize the welding deformation of prevention work piece, can reach the effect of piece about quick simultaneously.
The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is defined by the scope defined by the claims, and a plurality of modifications and decorations made by those skilled in the art without departing from the spirit and scope of the present invention should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a tower machine cargo boom upper chord otic placode positioner which characterized in that includes:
the base (1) is arranged on the workbench;
the ear plate pressing components (2) are symmetrically arranged on two sides of the surface of the base (1) and comprise pressing plates (21) which are movably arranged and used for pressing the side surfaces of the ear plates of the workpiece;
the rotary pressing assembly (3) is arranged on the surface of the base (1) and comprises a first pressing block (31) pressed on the surface of a workpiece; the centering and clamping assembly (4) is arranged on one side of the base (1) and comprises a pair of second pressing blocks (41) which are arranged in a centering and moving mode and are used for clamping one end of a workpiece;
the lug plate positioning assembly is arranged on the base (1) and comprises a heightening block (5) for heightening a workpiece and a positioning block (6) for positioning the lug plate of the workpiece.
2. The tower crane boom upper chord ear plate positioning device according to claim 1, characterized in that the positioning block (6) is located between two ear plates of the workpiece.
3. The tower crane boom upper chord ear plate positioning device according to claim 1, characterized in that the ear plate positioning assembly further comprises a positioning pin (7) arranged through the work piece ear plate hole and a positioning bushing (8) engaged with the positioning pin (7).
4. The tower crane boom upper chord ear plate positioning device according to claim 1, characterized in that the ear plate pressing assembly (2) further comprises:
the mounting plate (22) is arranged on the base (1);
the screw rod (23) is in threaded fit with the mounting plate (22) and one end of the screw rod is connected with the pressing plate (21);
the guide shaft (24) is arranged on the mounting plate (22) and one end of the guide shaft is connected with the pressing plate (21);
and the first hand wheel (25) is arranged at the other end of the screw rod (23).
5. The tower crane boom upper chord ear plate positioning device according to claim 1, characterized in that the rotary compression assembly (3) comprises:
the rotary pressing support (32) is arranged on the base (1);
the rotating arm (33) is arranged on the rotating pressing support (32);
a pressure lever (34) movably fitted on the rotating arm (33) and having a first pressure block (31) at one end;
and the rotating handle (35) is arranged at the other end of the pressure lever (34).
6. The tower crane boom upper chord ear plate positioning device according to claim 1, characterized in that the centering clamping assembly (4) comprises:
the supporting seat (42) is arranged on the side surface of the base (1), and the middle part of the supporting seat is provided with an installation hole;
the centering screw rod (43) is arranged in the mounting hole of the supporting seat (42);
a pair of second pressing blocks (41) which are respectively arranged on two sections of the centering screw rod (43) in different screw directions;
and the second wheel (44) is connected to one end of the centering screw rod (43) and is used for driving the centering screw rod (43) to rotate so as to enable the second pressing block (41) to perform centering movement.
7. The tower crane boom upper chord ear plate positioning device according to claim 6, characterized by further comprising a guide strip (45), wherein the pair of second pressing blocks (41) are in sliding fit on the guide strip (45).
8. The tower crane boom upper chord ear plate positioning device according to claim 6, characterized by further comprising a pair of sliding blocks (46), the second pressing block (41) is connected to the sliding blocks (46), and the pair of sliding blocks (46) are arranged on two sections of the centering screw rod (43) with different screw directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222055003.8U CN218476240U (en) | 2022-08-05 | 2022-08-05 | Tower crane jib loading boom upper chord otic placode positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222055003.8U CN218476240U (en) | 2022-08-05 | 2022-08-05 | Tower crane jib loading boom upper chord otic placode positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218476240U true CN218476240U (en) | 2023-02-14 |
Family
ID=85166322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222055003.8U Active CN218476240U (en) | 2022-08-05 | 2022-08-05 | Tower crane jib loading boom upper chord otic placode positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218476240U (en) |
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2022
- 2022-08-05 CN CN202222055003.8U patent/CN218476240U/en active Active
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