CN204524950U - A kind of bearing block drilling clamp - Google Patents
A kind of bearing block drilling clamp Download PDFInfo
- Publication number
- CN204524950U CN204524950U CN201520220637.1U CN201520220637U CN204524950U CN 204524950 U CN204524950 U CN 204524950U CN 201520220637 U CN201520220637 U CN 201520220637U CN 204524950 U CN204524950 U CN 204524950U
- Authority
- CN
- China
- Prior art keywords
- locating piece
- pull bar
- bearing block
- oil cylinder
- cylinder seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Drilling And Boring (AREA)
Abstract
A kind of bearing block drilling clamp, comprises pedestal, and pedestal is provided with the bottom surface locating piece in the large face of positioning bearing seat one, and the top of bottom surface locating piece is provided with hold down gag, and the below of bottom surface locating piece is provided with side slat location-plate, hold down gag comprises the oil cylinder seat be fixed on pedestal, hydraulic jack is provided with in oil cylinder seat, the outer end of piston rod passes and is connected with pull bar from the axle sleeve in oil cylinder seat, pull bar is provided with pressure head successively under upper, dirt-proof boot, locating piece in point, pressure head, dirt-proof boot is fixed on pull bar, oil cylinder seat is provided with the spacer pin that restriction pressure head rotates, in point, locating piece and pull bar are slidably connected, divide in the upper end of middle locating piece and be provided with multiple butterfly spring along pull bar axial distribution, butterfly spring is encapsulated in point middle locating piece by dirt-proof boot, also comprise the drill bushing be fixed on oil cylinder seat.During work, bearing block is pressed on side slat location-plate by secondary compression by hold down gag, and cutting force is identical with clamping force direction, can not be subjected to displacement, and accurate positioning, clamping efficiency are high.
Description
Technical field
The utility model belongs to drilling clamp field, especially a kind of bearing block drilling clamp.
Background technology
The middle part of bearing block large end face is the circular arc notch of indent, and the middle part of bearing block small end face is the circular arc projection of indent; Existing bearing block drilling clamp structure is: comprise pedestal, and the top of pedestal one side is provided with positioner, and positioner positions the circular arc projection in the middle part of bearing block small end face; The below of pedestal one side is provided with the hold down gag corresponding with positioner; Operation principle is: bearing block is positioned the compression end of hold down gag by the circular arc notch in the middle part of its large end, hold down gag lifting axis bearing, bearing block small end face is positioned on positioner, and realizes compressing, finally to bearing block applying drill thrust from top to bottom.The cutting force of this device is contrary with clamping force, causes the problem of machining accuracy instability, thus can not ensure clamping efficiency when producing in enormous quantities.
Summary of the invention
The utility model provides a kind of bearing block drilling clamp, and object changes the cutting force of the existing fixture problem contrary with clamping force, solves the problem of machining accuracy instability, ensure clamping efficiency when producing in enormous quantities.
In order to solve the problems of the technologies described above, technical solutions of the utility model are: a kind of bearing block drilling clamp, comprise pedestal, pedestal is provided with the bottom surface locating piece in the large face of positioning bearing seat one, it is characterized in that: the top of bottom surface locating piece is provided with the hold down gag be fixed on pedestal, hold down gag is corresponding with the large end face of bearing block, and the below of bottom surface locating piece is provided with the side slat location-plate be fixed on pedestal, and side slat location-plate is corresponding with the small end face of bearing block, hold down gag comprises the oil cylinder seat be fixed on pedestal, hydraulic jack is provided with in oil cylinder seat, the below of hydraulic jack is provided with the axle sleeve be fixed in oil cylinder seat, the outer end of piston rod passes in axle sleeve, the outer end of piston rod is connected with pull bar, pull bar is provided with pressure head successively under upper, dirt-proof boot, locating piece in point, pressure head, dirt-proof boot is fixed on pull bar, oil cylinder seat is provided with the spacer pin that restriction pressure head rotates, in point, locating piece and pull bar are slidably connected, divide in the upper end of middle locating piece and be provided with multiple butterfly spring along pull bar axial distribution, butterfly spring is fixedly connected with pull bar, butterfly spring is encapsulated in point middle locating piece by dirt-proof boot, wherein pressure head is corresponding with the large end face of bearing block, in point, locating piece is corresponding with the circular arc notch of bearing block, also comprise drill bushing, symmetrical drill bushing is individually fixed in the both sides of oil cylinder seat, and the pilot hole in drill bushing is corresponding with the pre-drawbore place on bearing block large end face.
Beneficial effect: 1. realize drill thrust direction perpendicular on the contact surface of side slat location-plate and part, do not move after ensureing part stress; 2. the application point realizing drill thrust, on the contact surface of side slat location-plate and part, ensures that part stress is stablized; 3. realizing clamping force acts on the contact surface of side slat location-plate and part, ensures that part stress is stablized; 4. achieve drill thrust identical with the direction of clamping force, at this moment minimum needed for clamping force; 5. axle sleeve ensures that piston rod is without moving radially, and ensures that part divides middle locating piece accurate positioning; 6., in order to ensure part accurate positioning, anti-other strength phenomenon, in point, in locating piece, add butterfly spring; 7., in order to ensure that piston rod does not swing in radial direction, preventing setting element from radially wobbling, adding axle sleeve; 8. in a word behind part location, cutting force is identical with clamping force direction, and part can not be subjected to displacement under the effect of cutting force and clamping force, and accurate positioning, clamping efficiency are high; Add man-hour part deformation minimum simultaneously, make product quality more stable.
Accompanying drawing explanation
Fig. 1 is the utility model front view.
Fig. 2 is the utility model hold down gag structural representation.
Fig. 3 is the utility model left view.
Fig. 4 is the utility model using state figure.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of bearing block drilling clamp, comprise pedestal 1, pedestal 1 is provided with the bottom surface locating piece 3 in the large face of positioning bearing seat 2 one, bearing block 2 contacts with face for face with bottom surface locating piece 3, bottom surface locating piece 3 and pedestal 1 are screwed, and bottom surface locating piece 3 restrictive axes bearing 2 moves along Z axis, rotates around X-axis, rotates around Y-axis, the top of bottom surface locating piece 3 is provided with the hold down gag be fixed on pedestal 1, hold down gag is corresponding with the large end face of bearing block 2, the below of bottom surface locating piece 3 is provided with the side slat location-plate 4 be fixed on pedestal 1, side slat location-plate 4 and pedestal 1 are screwed, side slat location-plate 4 restrictive axes bearing 2 moves along Y-axis, rotates around Z axis, and the plane of orientation of side slat location-plate 4 is corresponding with the small end face of bearing block 2, hold down gag comprises the oil cylinder seat 5 be fixed on pedestal 1, the connected mode that oil cylinder seat 5 and pedestal 1 adopt one side two to sell is connected, hydraulic jack 6 is provided with in oil cylinder seat 5, the below of hydraulic jack 6 is provided with the axle sleeve 7 be fixed in oil cylinder seat 5, axle sleeve 7 is located by fixing structure and is threaded fixing, axle sleeve 7 is made up of copper product, piston rod outer end in hydraulic jack 6 is connected with axle sleeve 7, the outer end of piston rod passes in axle sleeve 7, axle sleeve 7 pairs of piston rods play the guiding role, the outer end of piston rod is connected with the threaded one end of pull bar 8, make piston rod and pull bar 8 coaxial line, pull bar 8 is provided with pressure head 9 successively under upper, dirt-proof boot 10, locating piece 11 in point, pressure head 9, dirt-proof boot 10 is fixed on pull bar 8, oil cylinder seat 5 is provided with the spacer pin 12 that restriction pressure head 9 rotates, spacer pin 12 is to prevent pressure head from rotating around pull bar 8, spacer pin 12 does not interfere the bearing block 2 in clamping, in point, locating piece 11 and pull bar 8 are slidably connected, namely middle locating piece 11 is divided can to slide along pull bar 8 above-below direction, divide in the upper end of middle locating piece 11 and be provided with multiple butterfly spring 13 along pull bar 8 axial distribution, butterfly spring 13 is fixedly connected with pull bar 8, butterfly spring 13 is encapsulated in point middle locating piece 11 by dirt-proof boot 10, namely the lower end of dirt-proof boot 10 stretches in point upper end of middle locating piece 11, dirt-proof boot 10 is slidably connected with a point middle locating piece 11, wherein pressure head 9 is corresponding with the large end face of bearing block 2, in point, locating piece 11 is corresponding with the circular arc notch of bearing block 8, and the arc groove mouth-shaped of point middle locating piece 11 shape and bearing block 2 large end face adapts, pressure head 9 and a point middle locating piece 11 restrictive axes bearing 2 move along X-axis, also comprise drill bushing 14, symmetrical drill bushing 14 is individually fixed in the both sides of oil cylinder seat 5, and the pilot hole in drill bushing 14 is corresponding with the pre-drawbore place on bearing block 2 large end face.
In order to warranty element divides middle locating piece to realize point middle location of Process for Bearing Seat, and coordinate with butterfly spring; When piston rod is advanced, the strength in point during locating piece firm engagement shaft bearing part is smaller, and under the effect of bearing block large end face circular arc notch, part left and right is removable, realizes point middle location of part.
In order to warranty element divides the position of middle locating piece accurate, clamping cylinder increases copper bush, and copper bush and piston rod are that small―gap suture coordinates, and ensure that piston rod can not radially wobble, thus a point middle locating piece can not be radially wobbled.
To facilitate understanding of the description the content in book, indicates X, Y, Z coordinate in the drawings.
Utility model works principle: 1. bearing block is placed on the locating piece of bottom surface, bearing block small end is positioned on side slat location-plate locating surface; 2. drive the pull bar on hydraulic jack promotion piston rod, pull bar promotes a point middle locating piece and contacts with bearing block large end circular arc notch cambered surface, and impeller-hub bearing, bearing block is pressed on side slat location-plate by a point middle locating piece, once compress, and completed point middle location, left and right; Pull bar continues to press down under hydraulic oil cylinder driving, in this time-division, locating piece is along pull rod shaft to upward sliding, make a point middle locating piece continue to apply pressure to bearing block by the active force of butterfly spring in sliding process, when pressure head is pressed on bearing block large end face, secondary compression completes; Last drilling tool is by the hole on drill bushing machining shaft bearing large end face.
Unspecified place in literary composition is technology well known in the art.
Claims (1)
1. a bearing block drilling clamp, comprise pedestal, pedestal is provided with the bottom surface locating piece in the large face of positioning bearing seat one, it is characterized in that: the top of bottom surface locating piece is provided with the hold down gag be fixed on pedestal, hold down gag is corresponding with the large end face of bearing block, the below of bottom surface locating piece is provided with the side slat location-plate be fixed on pedestal, and side slat location-plate is corresponding with the small end face of bearing block, hold down gag comprises the oil cylinder seat be fixed on pedestal, hydraulic jack is provided with in oil cylinder seat, the below of hydraulic jack is provided with the axle sleeve be fixed in oil cylinder seat, the outer end of piston rod passes in axle sleeve, the outer end of piston rod is connected with pull bar, pull bar is provided with pressure head successively under upper, dirt-proof boot, locating piece in point, pressure head, dirt-proof boot is fixed on pull bar, oil cylinder seat is provided with the spacer pin that restriction pressure head rotates, in point, locating piece and pull bar are slidably connected, divide in the upper end of middle locating piece and be provided with multiple butterfly spring along pull bar axial distribution, butterfly spring is fixedly connected with pull bar, butterfly spring is encapsulated in point middle locating piece by dirt-proof boot, wherein pressure head is corresponding with the large end face of bearing block, in point, locating piece is corresponding with the circular arc notch of bearing block, also comprise drill bushing, symmetrical drill bushing is individually fixed in the both sides of oil cylinder seat, and the pilot hole in drill bushing is corresponding with the pre-drawbore place on bearing block large end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220637.1U CN204524950U (en) | 2015-04-14 | 2015-04-14 | A kind of bearing block drilling clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220637.1U CN204524950U (en) | 2015-04-14 | 2015-04-14 | A kind of bearing block drilling clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204524950U true CN204524950U (en) | 2015-08-05 |
Family
ID=53739001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520220637.1U Withdrawn - After Issue CN204524950U (en) | 2015-04-14 | 2015-04-14 | A kind of bearing block drilling clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204524950U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234701A (en) * | 2015-10-26 | 2016-01-13 | 江苏吉鑫风能科技股份有限公司 | Special tool clamp for wind driven generator one-piece bearing pedestal casting and machining technology |
| CN106141746A (en) * | 2015-04-14 | 2016-11-23 | 湖北汽车工业学院 | A kind of bearing block drilling clamp |
| CN106695250A (en) * | 2015-11-13 | 2017-05-24 | 江苏吉鑫风能科技股份有限公司 | Machining technology for casting of combined base of wind driven generator |
-
2015
- 2015-04-14 CN CN201520220637.1U patent/CN204524950U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141746A (en) * | 2015-04-14 | 2016-11-23 | 湖北汽车工业学院 | A kind of bearing block drilling clamp |
| CN105234701A (en) * | 2015-10-26 | 2016-01-13 | 江苏吉鑫风能科技股份有限公司 | Special tool clamp for wind driven generator one-piece bearing pedestal casting and machining technology |
| CN105234701B (en) * | 2015-10-26 | 2017-05-24 | 江苏吉鑫风能科技股份有限公司 | Special tool clamp for wind driven generator one-piece bearing pedestal casting |
| CN106695250A (en) * | 2015-11-13 | 2017-05-24 | 江苏吉鑫风能科技股份有限公司 | Machining technology for casting of combined base of wind driven generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150805 Effective date of abandoning: 20171229 |
|
| AV01 | Patent right actively abandoned |