CN210549203U - Welding tool for lower support and connecting seat of tower crane - Google Patents
Welding tool for lower support and connecting seat of tower crane Download PDFInfo
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- CN210549203U CN210549203U CN201921372015.5U CN201921372015U CN210549203U CN 210549203 U CN210549203 U CN 210549203U CN 201921372015 U CN201921372015 U CN 201921372015U CN 210549203 U CN210549203 U CN 210549203U
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- lower support
- positioning
- connecting seat
- placing plate
- wedge
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Abstract
The utility model discloses a welding tool for a tower crane lower support and a connecting seat, which comprises a horizontal placing plate, a lower support positioning component and a connecting seat positioning component, wherein the horizontal placing plate is provided with the lower support positioning component, the lower support is positioned through the lower support positioning component, and the lower support positioning component comprises a positioning component and a locking component; the lower support positioning assembly and the connecting seat positioning assembly are arranged to support and position the lower support and the connecting seat, so that the position tolerance between the lower support and the connecting seat is ensured, and the current welding and the subsequent assembly are facilitated; the inclined plane that sets up on the locating plate can make the undersetting slide on the inclined plane of location like this and fix a position, can guarantee like this that the product difference that same welding frock processed out is little.
Description
Technical Field
The utility model relates to a tower machine parts machining equipment field, concretely relates to welding frock of tower machine undersetting and connecting seat.
Background
The connecting seat needs to be welded on the supporting leg of the lower support, the existing welding mode needs to hold the connecting seat by one person and then weld by one person, so that the labor intensity of workers is increased, the welding efficiency is low, meanwhile, in the welding process, due to the adoption of the manual splicing mode, the positioning precision is low, the difference between products is large, and the subsequent process of installing the lower support on the tower crane is not facilitated;
when the connecting seat and the lower support are welded, if the connecting seat and the lower support are spliced manually, workers are required to always support the connecting seat, so that the labor intensity is high, meanwhile, in the welding process, the position tolerance of the bottom of the connecting seat and the lower support is required to be ensured, the subsequent lower support is convenient to install, meanwhile, the welding seam between each connecting seat and the lower support is inconsistent in size, and the stability degree of each connecting seat and the lower support after welding is consistent;
meanwhile, the bottom of the existing welding tool is a flat plate placed on the ground, when the ground is uneven, the welding personnel need to stand on the flat plate to move, so that the whole welding tool is easy to shake, and the working efficiency of the welding personnel is affected (the welding is carried out after the welding is stopped by shaking).
Disclosure of Invention
The utility model provides a tower machine undersetting and welding frock of connecting seat is convenient for accelerate the welding efficiency of undersetting and connecting seat, the connecting seat of also guaranteeing simultaneously and the fixed degree of stability of undersetting, also reduced staff's intensity of labour simultaneously, can guarantee the position tolerance of connecting seat and undersetting, and subsequent assembly of being convenient for like this can not form the welding frock simultaneously and rock in welding process.
In order to achieve the above purpose, the utility model discloses a scheme: a welding tool for a lower support and a connecting seat of a tower crane comprises a horizontal placing plate, lower support positioning assemblies and connecting seat positioning assemblies, wherein the horizontal placing plate is provided with the lower support positioning assemblies, the lower support is positioned through the lower support positioning assemblies, each lower support positioning assembly comprises four positioning assemblies and a locking assembly, each positioning assembly is matched with four supporting legs of the lower support, the four positioning assemblies are centrosymmetric about a central axis of the horizontal placing plate, and each positioning assembly is provided with the locking assembly matched with the positioning assembly; place the board at the level be provided with four connecting seat locating component all around, every connecting seat locating component includes the stand, a supporting bench and fixing bolt, wherein the stand is fixed on the board is placed to the level, be fixed with a supporting bench and be fixed with the toper locating piece at the top of stand in the periphery of every stand, it has the through-hole to open on the stand, it has fixing bolt and fixing bolt to pass the stand to insert in the through-hole, fixing bolt passes the mounting hole of connecting seat simultaneously, it has the fixation nut with fixing bolt screw-thread fit to embolia to serve at fixing bolt keeps away from the nut.
Preferably, the locating component is formed by two locating plates are fixed, the two locating plates are vertically arranged and are perpendicular to each other, one surface, close to the lower support, of the two locating plates is a locating inclined plane, the locating inclined plane inclines towards the outer side from the bottom to the top, and the bottoms of the locating inclined planes on the two locating plates are attached to supporting legs of the lower support.
Preferably, the locking subassembly includes wedge and locking bolt, and the wedge is the L-shaped piece, and the lateral surface of wedge be with location inclined plane matched with inclined plane, be fixed with the otic placode on the terminal surface at wedge both ends, and it has the locking bolt and every locking bolt to insert on the locating plate and locking bolt and locating plate screw-thread fit to insert in the earhole of otic placode, when the medial surface of wedge and location inclined plane bottom parallel and level, the top of wedge and the top parallel and level of locating plate.
Preferably, one supporting screw is respectively arranged on four corners of the horizontal placing plate, each supporting screw penetrates through the horizontal placing plate to be in contact with the ground, and each supporting screw is in threaded fit with the horizontal placing plate.
Compared with the prior art, the utility model has the advantages of: 1. the lower support positioning assembly and the connecting seat positioning assembly are arranged to support and position the lower support and the connecting seat, so that the position tolerance between the lower support and the connecting seat is ensured, and the current welding and the subsequent assembly are facilitated; 2. the inclined surface is arranged on the positioning plate, so that the lower support can slide on the positioning inclined surface for positioning, and the product difference processed by the same welding tool can be ensured to be small; 3. the locking assembly can prevent the lower support from moving during welding and can assist in positioning the lower support; 4. the horizontal placing plate can be guaranteed to be not shaken in the welding process on the smooth ground and the uneven ground, and the welding efficiency is guaranteed.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a front view of the present invention.
Fig. 4 is a schematic view of the lower support positioning assembly of the present invention.
Figure 5 is the utility model discloses the contrast picture after the lower carriage supporting leg is placed on the locating component inclined plane and the lower carriage location is accomplished.
Fig. 6 is an exploded view of the locking assembly and the positioning plate of the present invention.
Fig. 7 is an exploded view of the connecting seat positioning assembly of the present invention.
Fig. 8 is a schematic view of the clamping lower support and the connecting seat of the present invention.
Wherein, 1, the board is placed to the level, 1.1, supporting screw, 2, lower support locating component, 2.1, locating component, 2.2, the locating plate, 2.3, the location inclined plane, 2.4, the locking subassembly, 2.5, the wedge, 2.6, the otic placode, 2.7, the locking bolt, 3, connecting seat locating component, 3.1, the stand, 3.2, the through-hole, 3.3, the brace table, 3.4, fixing bolt, 3.5, fixation nut.
Detailed Description
The present invention will now be further elucidated with reference to the accompanying drawings.
As shown in fig. 1-8, a welding fixture for a lower support and a connecting seat of a tower crane comprises a horizontal placing plate 1, a lower support positioning component 2 and a connecting seat positioning component 3, four corners of the horizontal placing plate 1 are respectively penetrated with a supporting screw rod 1.1, each supporting screw rod 1.1 penetrates through the horizontal placing plate 1 to be contacted with the ground, each supporting screw rod 1.1 is in threaded fit with the horizontal placing plate 1, before the lower support seat is welded with the connecting seat, the horizontal placing plate 1 is placed on the ground, the supporting screw rods 1.1 on the horizontal placing plate 1 are selected through observation, when the horizontal placing plate 1 is not attached to the ground, the horizontal supporting plate is supported by the supporting screw rod 1.1, in this way, the welding process cannot generate shaking, so that the welding efficiency is ensured, and the size of the support screw 1.1 has no fixed specification and is determined according to the quality of a workpiece to be welded; a lower support positioning component 2 is fixed on a horizontal placing plate 1 through a welding direction, the lower support is positioned through the lower support positioning component 2, the lower support positioning component 2 comprises a positioning component 2.1 and a locking component 2.4, the positioning components 2.1 are four, each positioning component 2.1 is matched with four supporting legs of the lower support, the four positioning components 2.1 are symmetrical about the center shaft of the horizontal placing plate 1, the positioning component 2.1 is formed by fixing two positioning plates 2.2 through a welding mode, the two positioning plates 2.2 are vertically arranged and mutually perpendicular, one surfaces of the two positioning plates 2.2, which are close to the lower support, are positioning inclined planes 2.3, the positioning inclined planes 2.3 are inclined from bottom to top, the bottoms of the upper positioning inclined planes 2.3 of the two positioning plates 2.2 are attached to the supporting legs of the lower support, the lower support is lifted to the upper side of the horizontal placing plate 1 through a truss truck, then the lower support is placed downwards and the supporting legs of the lower support are downwards, the supporting legs of the lower support are matched with the positioning assembly 2.1, namely the supporting legs are placed on the positioning inclined planes 2.3, and the lower support slides downwards along the positioning inclined planes 2.3 under the action of gravity in the lowering process of the lower support, so that the positioning is carried out in an inclined plane sliding mode, the positioning is convenient and quick (the lower support is positioned while being lowered, the positioning of the lower support is simple, and the processing consistency of products is ensured at the same time); each positioning component 2.1 is provided with a locking component 2.4 matched with the positioning component 2.1, each locking component 2.4 comprises a wedge block 2.5 and a locking bolt 2.7, each wedge block 2.5 is an L-shaped block, the outer side surface of each wedge block 2.5 is an inclined surface matched with the corresponding positioning inclined surface 2.3, the inner side surface of each wedge block 2.5 is a vertical surface, lug plates 2.6 are fixed on the end surfaces of the two ends of each wedge block 2.5 in a welding mode, the locking bolts 2.7 are inserted into lug holes of the lug plates 2.6, each locking bolt 2.7 is inserted into the corresponding positioning plate 2.2, the locking bolts 2.7 are in threaded fit with the corresponding positioning plates 2.2, when the inner side surfaces of the wedge blocks 2.5 are level with the bottoms of the corresponding positioning inclined surfaces 2.3, the tops of the wedge blocks 2.5 are level with the tops of the corresponding positioning plates 2.2, after the lower support is completely lowered, the wedge blocks 2.5 are embedded between the lower support and the positioning components 2.1, and the top surfaces of the corresponding positioning inclined surfaces of the corresponding positioning blocks 2.5 are level with the corresponding positioning components, if the supporting leg of the lower support is placed on the positioning inclined plane 2.3, the supporting leg of the lower support can be pushed downwards through the wedge-shaped block 2.5, so that the positioning of the lower support is completed, and meanwhile, when the wedge-shaped block 2.5 is fixed on the positioning assembly 2.1, the wedge-shaped block 2.5 can prevent the lower support from sliding along the positioning inclined plane 2.3 during the processing, and meanwhile, the wedge-shaped block 2.5 can also clamp the lower support, so that the positioning and the fixing of the lower support are completed, and the position tolerance during the processing is ensured; four connecting seat positioning components 3 are fixed on the periphery of a horizontal placing plate 1 in a welding mode, the four connecting seat positioning components 3 are symmetrical about the center axis of the horizontal placing plate 1, each connecting seat positioning component 3 comprises an upright post 3.1, a supporting table 3.3 and a fixing bolt 3.4, wherein the upright post 3.1 is fixed on the horizontal placing plate 1 in a welding mode, a quadrangular pyramid-shaped conical positioning block is fixed on the top of the upright post 3.1 in a welding mode, each upright post 3.1 is in clearance fit with a sleeve of a connecting seat, the supporting table 3.3 is fixed on the periphery of each upright post 3.1 in a welding mode, a through hole 3.2 is formed in the upright post 3.1, the through hole 3.2 is positioned on the upright post 3.1 above the supporting table 3.3, a fixing bolt 3.4 is inserted in the through hole 3.2, the fixing bolt 3.4 penetrates through the upright post 3.1, a nut 3.5 in threaded fit with the fixing bolt 3.4 is sleeved on one end of the fixing bolt 3.4, fixing bolts 3.4 are fixed on the upright posts 3.1 through fixing nuts 3.5, when in installation, sleeves of the connecting seats are sleeved on the upright posts 3.1, then the lower parts of the connecting seats are positioned along the conical positioning columns, then the sleeves of the connecting seats are sleeved on the upright posts 3.1, the bottoms of the connecting seats are placed on the connecting seats, so that the height tolerance between the bottom of the lower support and the bottom of the connecting seats is ensured, then the fixing bolts 3.4 penetrate through mounting holes of the connecting seats and through holes 3.2 in the upright posts 3.1, and meanwhile, the connecting seats and the upright posts 3.1 are locked through nuts, so that the position tolerance between the bottom of the lower support and the bottom of the connecting seats is ensured, after the lower support and the connecting seats are welded, the height tolerance and the position tolerance between the connecting seats are kept, so that the subsequent assembly is convenient, and simultaneously, the lower support and the connecting seats are positioned, so that the consistency of products after, subsequent assembly is facilitated; meanwhile, the positions of the lower support and the connecting seat cannot be changed during welding, so that the size of a welding seam between the lower support and the connecting seat is consistent, the consistency of a product is guaranteed, and subsequent assembly of a customer can be influenced if the consistency of the product is poor.
When in use, the supporting screw 1.1 on the horizontal placing plate 1 is firstly adjusted to ensure that the worker can not shake when stepping on the horizontal placing plate 1, then the lower support is hoisted to the upper part of the horizontal placing plate 1 through the truss vehicle, then the horizontal placing plate 1 is placed downwards, the positioning component 2.1 positions the lower support in the process of the horizontal placing plate 1 below, after the lower part of the lower support is finished, the wedge-shaped block 2.5 is embedded between the lower support and the positioning component 2.1, if the supporting leg of the lower support is placed on the positioning inclined plane 2.3, the top of the wedge-shaped block 2.5 can not be connected with the top of the positioning component 2.1, at this time, the wedge block 2.5 is pressed hard, the wedge block 2.5 extrudes the supporting leg of the lower support, the lower support is along the lower part of the positioning inclined plane 2.3 and is contacted with the horizontal placing plate 1, then the wedge block 2.5 is locked on the positioning component 2.1 through the locking bolt 2.7 to prevent the lower support from moving during machining; the sleeve of connecting seat is overlapped on stand 3.1, then passes the mounting hole and the through-hole 3.2 of connecting seat with locking bolt 2.7 to carry out the locking through the locking nut, then utilize welder to weld connecting seat and undersetting.
Claims (4)
1. A welding tool for a lower support and a connecting seat of a tower crane comprises a horizontal placing plate, lower support positioning assemblies and connecting seat positioning assemblies, and is characterized in that the lower support positioning assemblies are arranged on the horizontal placing plate and are used for positioning the lower support, each lower support positioning assembly comprises four positioning assemblies and a locking assembly, each positioning assembly is matched with four supporting legs of the lower support, the four positioning assemblies are centrosymmetric about a central axis of the horizontal placing plate, and each positioning assembly is provided with a locking assembly matched with the corresponding positioning assembly; place the board at the level be provided with four connecting seat locating component all around, every connecting seat locating component includes the stand, a supporting bench and fixing bolt, wherein the stand is fixed on the board is placed to the level, be fixed with a supporting bench and be fixed with the toper locating piece at the top of stand in the periphery of every stand, it has the through-hole to open on the stand, it has fixing bolt and fixing bolt to pass the stand to insert in the through-hole, fixing bolt passes the mounting hole of connecting seat simultaneously, it has the fixation nut with fixing bolt screw-thread fit to embolia to serve at fixing bolt keeps away from the nut.
2. The welding frock of tower machine undersetting and connecting seat of claim 1, characterized in that, locating component is formed by two locating plates are fixed, two locating plates vertical setting and mutually perpendicular, the one side that two locating plates are close to the undersetting is the location inclined plane, the slope of location inclines from supreme outside down, the bottom on the slope of location on two locating plates all laminates with the supporting legs of undersetting.
3. The welding tool for the lower support and the connecting seat of the tower crane according to claim 2, wherein the locking assembly comprises a wedge and a locking bolt, the wedge is an L-shaped block, the outer side surface of the wedge is an inclined surface matched with the positioning inclined surface, lug plates are fixed on the end surfaces of two ends of the wedge, the locking bolt is inserted into a lug hole of each lug plate, each locking bolt is inserted into the positioning plate, the locking bolt is in threaded fit with the positioning plate, and when the inner side surface of the wedge is level with the bottom of the positioning inclined surface, the top of the wedge is level with the top of the positioning plate.
4. The welding tool for the lower support and the connecting seat of the tower crane according to claim 3, wherein one supporting screw is respectively arranged at four corners of the horizontal placing plate, each supporting screw penetrates through the horizontal placing plate to be in contact with the ground, and each supporting screw is in threaded fit with the horizontal placing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921372015.5U CN210549203U (en) | 2019-08-22 | 2019-08-22 | Welding tool for lower support and connecting seat of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921372015.5U CN210549203U (en) | 2019-08-22 | 2019-08-22 | Welding tool for lower support and connecting seat of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210549203U true CN210549203U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921372015.5U Active CN210549203U (en) | 2019-08-22 | 2019-08-22 | Welding tool for lower support and connecting seat of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210549203U (en) |
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2019
- 2019-08-22 CN CN201921372015.5U patent/CN210549203U/en active Active
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