CN210255244U - Machining tool for machining center hole and end face of bearing seat of tower crane climbing frame - Google Patents
Machining tool for machining center hole and end face of bearing seat of tower crane climbing frame Download PDFInfo
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- CN210255244U CN210255244U CN201921353310.6U CN201921353310U CN210255244U CN 210255244 U CN210255244 U CN 210255244U CN 201921353310 U CN201921353310 U CN 201921353310U CN 210255244 U CN210255244 U CN 210255244U
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Abstract
The utility model discloses a processing tool for processing a central hole and an end face of a bearing seat of a tower crane climbing frame, which comprises a clamping base plate, a bearing seat base positioning mechanism and a bearing seat top pressing mechanism; the bottom surface of the bearing seat base is used for positioning, so that the position tolerance between the bottom surface of the bearing seat and a central hole (end surface and inner circle) of the bearing seat can be guaranteed, and meanwhile, the top of the bearing seat can be clamped by the pressing mechanism at the top of the bearing seat, so that the workpiece can be prevented from shaking and driving machining errors, and subsequent assembly work is facilitated.
Description
Technical Field
The utility model relates to a tower machine parts machining equipment field, concretely relates to tower machine climbing frame bearing processing centre bore and terminal surface's processing frock.
Background
After the base of bearing frame is processed, need to carry out the finish machining to the centre bore and the terminal surface of bearing frame, just so can guarantee the position tolerance of base and centre bore, like this when the installation, just can guarantee the normal operating of equipment, in the bearing frame of processing, need process the terminal surface of centre bore earlier, need guarantee the position tolerance of base and centre bore terminal surface at this time, need guarantee the position tolerance of centre bore and base when processing the centre bore, the centre bore of bearing frame can not receive the extrusion simultaneously, otherwise the centre bore can have great machining error, when current processing bearing frame centre bore, the substep processing of often adopting, the clamping is more troublesome like this, also produce the error that produces because location many times easily simultaneously, can lead to the precision not enough and influence the operation of equipment like this.
Disclosure of Invention
The utility model provides a tower machine climbing frame bearing processing centre bore and terminal surface's processing frock, the terminal surface and the interior circle that can simultaneous processing bearing frame centre bore through a clamping can reduce like this because the error that produces of location many times, can also reduce the work piece simultaneously in the degree of rocking of processing, guarantees the position error of base and centre bore terminal surface, centre bore.
In order to achieve the above purpose, the utility model discloses a scheme: a processing tool for processing a center hole and an end face of a bearing seat of a climbing frame of a tower crane comprises a clamping base plate, a bearing seat base positioning mechanism and a bearing seat top pressing mechanism, wherein a fixed column clamped through a lathe chuck is fixed on the back face of the clamping base plate, the front face of the clamping base plate is provided with the bearing seat base positioning mechanism and the bearing seat top pressing mechanism, the bearing seat base positioning mechanism is fixed at one end on the front face of the clamping base plate and comprises a positioning plate, a resisting bolt and a locking bolt, the positioning plate is a smooth flat plate, the positioning plate is provided with a plurality of through holes corresponding to the positions of bearing seat mounting holes, the locking bolt is inserted into the through holes and is inserted into the mounting holes of the bearing seat, a threaded sleeve is fixed on the outer side of each through hole and is positioned on the back face of the positioning plate, and is in threaded fit with the locking bolt, a resisting bolt is arranged on the positioning plate and is positioned on the edge of the positioning plate, an adjusting block is fixed at the front end part of the positioning plate, the resisting bolt penetrates through the adjusting block and is in threaded fit with the adjusting block, and the tail part of the resisting bolt is resisted on a base of the bearing seat; the clamping device comprises a clamping base plate, a bearing seat base positioning mechanism, a bearing seat top pressing mechanism, a pressing bolt and a pressing bolt, wherein the bearing seat top pressing mechanism is fixed at one end, away from the bearing seat base positioning mechanism, of the front side of the clamping base plate, the bearing seat top pressing mechanism comprises a fixing block and the pressing bolt, the fixing block is fixed on the clamping base plate, the pressing bolt penetrates through the fixing block and is in threaded fit with the fixing block, and the end part of the pressing bolt is in.
Preferably, the hold-down bolt is fixed with an arc plate attached to the outer circle of the bearing seat through a bearing, and the inner side of the arc plate is provided with anti-slip rubber.
Preferably, a pressing assembly and a supporting block are arranged on the clamping base plate, wherein the pressing mechanism is fixed on the supporting block and is located right above the supporting block, the seat body of the bearing seat is located right above the supporting block and is attached to the seat body of the bearing seat, the pressing mechanism is located above the seat body of the bearing seat and presses on the seat body of the bearing seat, the pressing assembly is a pressing bolt and is in threaded fit with the supporting block, and a nut of the pressing bolt is pressed on the seat body of the bearing seat.
Compared with the prior art, the utility model has the advantages of: 1. the bottom surface of the base of the bearing seat is used for positioning, so that the position tolerance between the bottom surface of the bearing seat and a central hole (end surface and inner circle) of the bearing seat can be ensured, and meanwhile, the top of the bearing seat can be clamped by the arranged top pressing mechanism of the bearing seat, so that the machining error caused by the shaking of a workpiece can be prevented, and the subsequent assembly work is facilitated; 2. the arc-shaped plate can form prepositioning on the workpiece, and can disperse the pressure applied on the bearing seat by the compression bolt, so that the bearing seat is prevented from deforming during processing, and the shaking of a part to be processed can be reduced; 3. the arranged pressing mechanism and the supporting block can more stably fix the bearing seat on the clamping base plate, so that the bearing seat is prevented from generating machining errors due to shaking in the machining process, and meanwhile, the bearing seat can be supported, and the bearing seat is prevented from being deformed (mainly used for reducing torque) due to the pressure of a cutter in the machining process; 4. the set abutting bolt enables the bearing seat to be attached to the tool more tightly.
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 left side view of the present invention.
Fig. 4 is a schematic view of the positioning mechanism of the bearing seat base of the present invention.
Fig. 5 is a schematic view of the pressing mechanism at the top of the bearing seat of the present invention.
Fig. 6 is a schematic view of the clamping bearing seat of the present invention.
Fig. 7 is a schematic view of the pressing bolt of the present invention with an arc plate.
Fig. 8 is a schematic view of the clamping and pressing assembly of the present invention.
Wherein, 1, clamping foundatin plate, 1.1, fixed column, 2, bearing frame base positioning mechanism, 2.1, locating plate, 2.2, support tight bolt, 2.3, regulating block, 2.4, locking bolt, 2.5, lock nut, 3, bearing frame top hold-down mechanism, 3.1, fixed block, 3.2, clamp bolt, 3.3, the arc, 3.4, anti-skidding rubber, 4, press the subassembly, 4.1, press the bolt, 4.2, the tray.
Detailed Description
The invention will now be further elucidated with reference to the accompanying drawings.
As shown in fig. 1-6; a processing tool for processing a center hole and an end face of a bearing seat of a climbing frame of a tower crane comprises a clamping base plate 1, a bearing seat base positioning mechanism 2 and a bearing seat top pressing mechanism 3, wherein a fixing column 1.1 clamped through a lathe chuck is fixed on the back face of the clamping base plate 1 in a welding mode, the center shaft of the fixing column 1.1 is coaxial with the center shaft of the center hole of the bearing seat, the bearing seat base positioning mechanism 2 and the bearing seat top pressing mechanism 3 are fixed on the front face of the clamping base plate 1 in a welding mode, the bearing seat base positioning mechanism 2 is fixed at the lower end part of the front face of the clamping base plate 1 in a welding mode, the bearing seat base positioning mechanism 2 comprises a positioning plate 2.1, a resisting bolt 2.2 and a locking bolt 2.4, the top face of the positioning plate 2.1 is a smooth flat plate, the top of the positioning plate 2.1 is contacted with the bottom of the bearing seat, so that the positioning plate 2, the bottom surface of the bearing seat is finely processed) and supported, a plurality of through holes corresponding to the positions of the bearing seat mounting holes (the bearing seat is fixed on the climbing frame through the mounting holes, the mounting holes on the bearing seat are the prior art) are arranged on the positioning plate 2.1, a locking bolt 2.4 is inserted into the through hole, the locking bolt 2.4 is inserted into the mounting hole of the bearing seat, a locking nut 2.5 for fixing is sleeved on the locking bolt 2.4, the operation mode is simple, the locking bolt 2.4 is directly inserted into the mounting hole and the pain from top to bottom, then the locking bolt 2.4 is directly screwed, the nut is sleeved on the bolt in the prior art, and meanwhile, the bolt and the nut are respectively fixed by two hands to screw the bolt, the fixing mode of the utility model is simple and convenient to operate, the abutting bolt 2.2 is fixed on the positioning plate 2.1 in a thread fit mode, and the abutting bolt 2.2 is positioned on the edge of the front end of the positioning plate 2.1, an adjusting block 2.3 perpendicular to the positioning plate 2.1 is fixed at the front end of the positioning plate 2.1 in a welding mode, a tightening bolt 2.2 penetrates through the adjusting block 2.3, the tightening bolt 2.2 is in threaded fit with the adjusting block 2.3, and the tail of the tightening bolt 2.2 is abutted against the base of the bearing seat, so that the bearing seat can be positioned more accurately (a bolt needs to be inserted into a mounting hole of a bearing, the aperture of the mounting hole needs to be larger than the diameter of the bolt due to the fit of a hole and a shaft, after the mounting is finished, a workpiece is easy to move due to the fact that the mounting hole is spaced from a locking bolt 2.4 in the machining process, so that the machining precision is reduced, the bearing seat is pushed to one side by the tightening bolt 2.2, the hole wall of the mounting hole is tightly attached to the locking bolt 2.4, so that the workpiece cannot move in the machining process, and the machining precision of the workpiece is ensured); the clamping base plate comprises a clamping base plate body, a bearing seat top pressing mechanism 3 is fixed to one end, which is located on the front side of the clamping base plate body 1 and is far away from a bearing seat base positioning mechanism 2, of the clamping base plate body in a welded mode, the bearing seat top pressing mechanism 3 comprises a fixing block 3.1 and a pressing bolt 3.2, the fixing block 3.1 is fixed to the right end of the clamping base plate body in a welded mode, the pressing bolt 3.2 penetrates through the fixing block 3.1, the pressing bolt 3.2 is in threaded fit with the fixing block 3.1, the end portion of the pressing bolt 3.2 is in contact with the top of the bearing seat, and the bottom and the top of the bearing seat are provided with fulcrums.
When in use, the clamping base plate 1 is fixed on a three-jaw chuck of a lathe through a fixing column 1.1, a bearing seat is placed on a clamping mechanism plate, the bottom of the bearing seat is contacted with a positioning plate 2.1, a locking bolt 2.4 is inserted into a mounting hole of the bearing seat and fixed on a locking nut 2.5 on the positioning plate 2.1, a fastening nut is abutted on the bearing seat, the fastening bolt 2.2 is screwed to push the bearing seat to move, when the fastening bolt 2.2 cannot push the bearing seat to move, the fastening bolt 2.2 is stopped being screwed, so that the bearing seat can be prevented from being displaced during processing, the processing precision of a workpiece can be ensured, the pressing bolt 4.1 is screwed simultaneously, the pressing bolt 4.1 presses the excircle of the bearing seat, so that the bottom and the top of the bearing seat are both fixed, the end face of a central hole of the bearing seat is processed through the lathe, and the end face of the bearing seat is processed, the pressing bolt 4.1 is loosened, and then the inner hole of the center hole of the bearing seat is subjected to finish machining through a lathe, so that the pressing bolt 4.1 can be prevented from pressing the bearing seat to generate machining errors.
Further, as shown in fig. 7: an arc-shaped plate 3.3 which is attached to the outer circle of the bearing seat is fixed on the pressing bolt 3.2 through a bearing (namely, a bearing is arranged between the tail part of the pressing bolt 3.2 and the arc-shaped plate 3.3, so that a space exists between the arc-shaped plate 3.3 and the bearing), an anti-slip rubber 3.4 is fixed on the inner side of the arc-shaped plate 3.3 in a sticking mode, the pressing bolt 3.2 directly presses the outer circle of the bearing seat, so that the contact area between the pressing bolt 3.2 and the bearing seat is small, if the force of the pressing bolt 3.2 acting on the bearing seat is small, the fixing effect cannot be achieved, if the force of the pressing bolt 3.2 acting on the bearing seat is large, the deformation can be generated due to the overlarge pressure, so that the pressure is reduced by increasing the contact area through the arc-shaped plate 3.3, the deformation of the bearing seat in the process of a central hole can be effectively prevented, and the displacement between the bearing seat and the, simultaneously arc 3.3 are not directly pressed on the bearing frame, can reduce the damage to bearing frame excircle surface like this, when processing the hole of bearing frame centre frame, can need not leave the bearing frame with arc 3.3, because arc 3.3 has shared pressure, the pressure on the bearing frame excircle is little like this, like this when processing, can not produce the bearing frame deformation.
Further, as shown in fig. 8: two pressing components 4 and two supporting blocks 4.2 are fixed on a clamping base plate 1 in a welding mode, wherein a pressing mechanism is fixed on the supporting blocks 4.2 in a welding mode and located right above the supporting blocks 4.2, the two supporting blocks 4.2 are located below two sides of a bearing seat, the seat body of the bearing seat is located right above the supporting blocks 4.2, the supporting blocks 4.2 are attached to the seat body of the bearing seat, the pressing mechanism is located above the seat body of the bearing seat and presses the pressing mechanism on the seat body of the bearing seat, the pressing components 4 are pressing bolts 4.1, the pressing bolts 4.1 are in threaded fit with the supporting blocks 4.2, and nuts of the pressing bolts 4.1 press on the seat body of the bearing seat, so that the torque of the bearing seat during machining can be reduced, the one end of the bearing seat to be machined is prevented from shaking, and the error generated during machining of the bearing seat is reduced.
Claims (3)
1. A processing tool for processing a center hole and an end face of a bearing seat of a climbing frame of a tower crane comprises a clamping base plate, a bearing seat base positioning mechanism and a bearing seat top pressing mechanism, and is characterized in that a fixing column clamped by a lathe chuck is fixed on the back face of the clamping base plate, the bearing seat base positioning mechanism and the bearing seat top pressing mechanism are arranged on the front face of the clamping base plate, the bearing seat base positioning mechanism is fixed at one end of the front face of the clamping base plate and comprises a positioning plate, a resisting bolt and a locking bolt, wherein the positioning plate is a smooth flat plate, a plurality of through holes corresponding to the positions of mounting holes of the bearing seat are formed in the positioning plate, the locking bolt is inserted into the through holes and is inserted into the mounting holes of the bearing seat, a threaded sleeve is fixed on the outer side of each through hole and is positioned on the back face of the positioning, the threaded sleeve is in threaded fit with the locking bolt, a resisting bolt is arranged on the positioning plate and is positioned on the edge of the positioning plate, an adjusting block is fixed at the front end part of the positioning plate, the resisting bolt penetrates through the adjusting block and is in threaded fit with the adjusting block, and the tail part of the resisting bolt is abutted against the base of the bearing block; the clamping device comprises a clamping base plate, a bearing seat base positioning mechanism, a bearing seat top pressing mechanism, a pressing bolt and a pressing bolt, wherein the bearing seat top pressing mechanism is fixed at one end, away from the bearing seat base positioning mechanism, of the front side of the clamping base plate, the bearing seat top pressing mechanism comprises a fixing block and the pressing bolt, the fixing block is fixed on the clamping base plate, the pressing bolt penetrates through the fixing block and is in threaded fit with the fixing block, and the end part of the pressing bolt is in.
2. The tooling for machining the central hole and the end face of the bearing seat of the climbing frame of the tower crane according to claim 1, wherein an arc-shaped plate which is attached to the outer circle of the bearing seat is fixed on the bolt through a bearing, and anti-skid rubber is arranged on the inner side of the arc-shaped plate.
3. The tooling for machining the central hole and the end face of the bearing seat of the climbing frame of the tower crane according to claim 2, wherein the clamping base plate is provided with a pressing assembly and a supporting block, the pressing mechanism is fixed on the supporting block and is positioned right above the supporting block, the seat body of the bearing seat is positioned right above the supporting block and is attached to the seat body of the bearing seat, the pressing mechanism is positioned above the seat body of the bearing seat and presses the pressing mechanism on the seat body of the bearing seat, the pressing assembly is a pressing bolt and is in threaded fit with the supporting block, and the nut of the pressing bolt presses the seat body of the bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921353310.6U CN210255244U (en) | 2019-08-20 | 2019-08-20 | Machining tool for machining center hole and end face of bearing seat of tower crane climbing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921353310.6U CN210255244U (en) | 2019-08-20 | 2019-08-20 | Machining tool for machining center hole and end face of bearing seat of tower crane climbing frame |
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| CN210255244U true CN210255244U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921353310.6U Active CN210255244U (en) | 2019-08-20 | 2019-08-20 | Machining tool for machining center hole and end face of bearing seat of tower crane climbing frame |
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| CN (1) | CN210255244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192272A (en) * | 2020-09-29 | 2021-01-08 | 张芸 | Intelligent robot produces part fixing device |
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2019
- 2019-08-20 CN CN201921353310.6U patent/CN210255244U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192272A (en) * | 2020-09-29 | 2021-01-08 | 张芸 | Intelligent robot produces part fixing device |
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