CN217701429U - Bolt hole drilling clamp for engine connecting rod - Google Patents
Bolt hole drilling clamp for engine connecting rod Download PDFInfo
- Publication number
- CN217701429U CN217701429U CN202221001160.4U CN202221001160U CN217701429U CN 217701429 U CN217701429 U CN 217701429U CN 202221001160 U CN202221001160 U CN 202221001160U CN 217701429 U CN217701429 U CN 217701429U
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- China
- Prior art keywords
- connecting rod
- upper die
- lower die
- die
- ring
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- 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.)
- Expired - Fee Related
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- 238000005553 drilling Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The clamp for drilling the bolt hole for the engine connecting rod comprises an upper die, a lower die and a fixed seat; a hinge for connection is arranged between the upper die and the lower die; the upper die and the lower die are rotationally connected through a hinge; the left side and the right side of the upper die are provided with inwards concave grooves; a plurality of through fixing bolts are arranged in the grooves in a matching manner; a positioning hole is arranged at the corresponding position of the lower die; the fixing bolt is inserted into the positioning hole and is in threaded fit connection with the positioning hole; mounting grooves are formed in the middle parts of the upper die and the lower die, and a raised limiting piece is arranged in the mounting groove of the upper die; the upper die is provided with a contact ring, and the contact ring is provided with a cylindrical bulge; a limiting ring is arranged in the mounting groove of the lower die; the lower end of the connecting rod is sleeved on the periphery of the limiting ring; the upper die and the lower die are both provided with clamping grooves; be provided with bellied setting element on the fixing base, during the setting element card goes into the draw-in groove, the utility model discloses can be convenient carry out the centre gripping installation to the connecting rod, keep vertical setting, conveniently drill and process.
Description
Technical Field
The utility model relates to an engine connecting rod processing technology field especially relates to engine connecting rod is with boring bolt hole anchor clamps.
Background
The connecting rod group comprises a connecting rod body, a connecting rod big end cover, a connecting rod small end bushing, a connecting rod big end bearing bush, a connecting rod bolt (or screw) and the like. The connecting rod group bears the action of gas force transmitted by the piston pin, the action of self swinging and reciprocating inertia force of the piston group, and the magnitude and the direction of the force are periodically changed. The connecting rod is subjected to alternating loads such as compression, tension and the like. The connecting rod must have sufficient fatigue strength and structural rigidity. The fatigue strength is insufficient, which often causes the fracture of the connecting rod body or the connecting rod bolt, and further causes the serious accident of the complete machine damage. If the rigidity is insufficient, bending deformation of the rod body and out-of-round deformation of the large end of the connecting rod can be caused, and eccentric wear of a piston, a cylinder, a bearing, a crank pin and the like can be caused; drilling holes at the end part of the connecting rod in the production and processing process; due to the particularity of the connecting rod structure, the connecting rod cannot be vertically installed for drilling; when drilling is carried out in the horizontal direction, the drilling tool is easy to deflect, the deviation of the hole diameter of the drilling tool is easy to occur, and the use is influenced.
In order to solve the problems, the application provides a bolt hole drilling clamp for an engine connecting rod.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides an engine connecting rod is with boring bolt hole anchor clamps, the utility model discloses can be convenient carry out the centre gripping installation to the connecting rod, keep vertical setting, conveniently drill and process.
(II) technical scheme
In order to solve the problems, the utility model provides a bolt hole drilling clamp for an engine connecting rod, which comprises an upper die, a lower die and a fixed seat;
a hinge for connection is arranged between the upper die and the lower die; the upper die and the lower die are rotationally connected through a hinge;
the left side and the right side of the upper die are provided with inwards concave grooves; a plurality of through fixing bolts are arranged in the grooves in a matching manner; a positioning hole is arranged at the corresponding position of the lower die; the fixing bolt is inserted into the positioning hole and is in threaded fit connection with the positioning hole;
mounting grooves are formed in the middle parts of the upper die and the lower die, and a raised limiting piece is arranged in each mounting groove of the upper die; the limiting piece is clamped with the groove body on the connecting rod; the upper die is provided with a contact ring, and the contact ring is provided with a cylindrical bulge; a limiting ring is arranged in the mounting groove of the lower die; the limiting ring and the contact ring are matched to keep magnetic attraction; the lower end of the connecting rod is sleeved on the periphery of the limiting ring; the bulge part is plugged into the hollow part of the limit ring;
the upper die and the lower die are both provided with clamping grooves; a raised positioning piece is arranged on the fixed seat and is clamped into the clamping groove.
Preferably, both side walls of the fixing base abut against the upper surface of the upper die and the lower surface of the lower die.
Preferably, the positioning hole is provided with a matched elastic split ring; when the fixing bolt is assembled with the positioning hole, the split ring carries out elastic support.
Preferably, the bottom of the lower die is provided with a through groove.
Preferably, the protrusion is an elastomer.
Preferably, the end of the connecting rod extends between the upper and lower dies.
Preferably, the fixing seat is provided with a concave part convenient for assembling the hinge.
The above technical scheme of the utility model has following profitable technological effect:
1. closing the upper die and the lower die; the convex part on the upper die is clamped into the limit ring, and the elastic convex part is clamped into the limit ring on the lower die, so that the whole limit ring can be elastically supported from the inner side of the limit ring; the small end of the connecting rod is ensured to be firmly installed with the limiting ring.
2. The positioning piece protruding from the fixed seat is inserted into the clamping grooves of the upper die and the lower die; the two side walls of the fixed seat limit the upper die and the lower die; and the hinge can be clamped into the concave part on the fixed seat, so that the assembly of the fixed seat and the upper die and the lower die is not influenced.
3. The bottom of lower mould is provided with the logical groove that runs through. When the lower die is transferred and transported, the lower die can be clamped into the through groove by using the clamping piece for limiting; the whole mould can not shake at this moment.
Drawings
Fig. 1 is the overall structure schematic diagram of the bolt hole drilling fixture for the engine connecting rod provided by the utility model.
Fig. 2 is the assembly structure diagram in the bolt hole drilling clamp for the engine connecting rod provided by the utility model.
Fig. 3 is the structure schematic diagram of the upper die and the lower die in the die sinking state in the drill bolt hole clamp for the engine connecting rod provided by the utility model.
Fig. 4 is a schematic structural view of the fixing seat in the bolt hole drilling fixture for the engine connecting rod according to the present invention.
Fig. 5 is a schematic structural view of a connecting rod in the bolt hole drilling clamp for the engine connecting rod according to the present invention.
Reference numerals: 1. an upper die; 11. a fixing bolt; 12. a groove; 13. a boss portion; 14. a contact ring; 15. a stopper; 2. a lower die; 21. positioning holes; 22. mounting grooves; 23. a limiting ring; 24. a through groove; 3. a hinge; 4. a connecting rod; 41. an end portion; 5. a card slot; 6. a fixed seat; 61. a positioning member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-5, the bolt hole drilling fixture for the engine connecting rod provided by the utility model comprises an upper die 1, a lower die 2 and a fixed seat 6;
a hinge 3 for connection is arranged between the upper die 1 and the lower die 2; the upper die 1 and the lower die 2 are rotationally connected through a hinge 3;
the left side and the right side of the upper die 1 are provided with inwards concave grooves 12; a plurality of through fixing bolts 11 are arranged in the groove 12 in a matching way; a positioning hole 21 is arranged at the corresponding position of the lower die 2; the fixing bolt 11 is inserted into the positioning hole 21 and is in threaded fit connection with the positioning hole 21;
mounting grooves 22 are formed in the middle of the upper die 1 and the lower die 2, and a raised limiting piece 15 is arranged in the mounting groove 22 of the upper die 1; the limiting piece 15 is clamped with the groove body on the connecting rod 4; a contact ring 14 is arranged on the upper die 1, and a cylindrical convex part 13 is arranged on the contact ring 14; a limiting ring 23 is arranged in the mounting groove 22 of the lower die 2; the limiting ring 23 is matched with the contact ring 14 to keep magnetic attraction; the lower end of the connecting rod 4 is sleeved on the periphery of the limiting ring 23; the boss 13 is inserted into the hollow part of the limit ring 23;
the upper die 1 and the lower die 2 are both provided with a clamping groove 5; the fixing seat 6 is provided with a raised positioning piece 61, and the positioning piece 61 is clamped in the clamping groove 5.
In an alternative embodiment, the two side walls of the fixing base 6 abut against the upper surface of the upper die 1 and the lower surface of the lower die 2. The fixing seat 6 is provided with a concave part convenient for assembling the hinge 3.
It should be noted that the positioning element 61 protruding from the fixing base 6 is inserted into the slot 5 of the upper die 1 and the lower die 2; the two side walls of the fixed seat 6 limit the upper die 1 and the lower die 2; and hinge 3 can block in the depressed part on fixing base 6, does not influence the assembly of fixing base 6 and last mould 1 and lower mould 2.
In an alternative embodiment, the positioning hole 21 is provided with a matched elastic split ring; when the fixing bolt 11 is assembled with the positioning hole 21, the split ring is elastically supported.
It should be noted that, when the fixing bolt 11 is assembled with the positioning hole 21, the elastic split ring performs elastic support; the upper die 1 and the lower die 2 are guaranteed not to shake after being assembled, and the stability is improved.
In an alternative embodiment, the bottom of the lower mold 2 is provided with a through slot 24 therethrough.
It should be noted that, when the lower die 2 is transferred and transported, the lower die can be clamped into the through groove 24 by using the clamping piece for limiting; the whole mould can not shake at this moment.
In an alternative embodiment, the boss 13 is an elastomer.
The elastic boss 13 is clamped into the limit ring 23 on the lower die 2, so that the whole limit ring 23 can be elastically supported from the inner side of the limit ring 23; the small end of the connecting rod 4 is ensured to be firmly installed with the limiting ring 23.
In an alternative embodiment, the end 41 of the tie rod 4 extends between the upper die 1 and the lower die 2.
It should be noted that the end 41 of the connecting rod 4 is kept in an extended state to facilitate drilling in cooperation with a drill.
In the utility model, the small end of the connecting rod 4 to be processed is sleeved in the limiting ring 23 of the lower die 2; the rod body of the connecting rod 4 is clamped in the mounting groove 22; then, the upper die 1 is rotated, and the upper die 1 and the lower die 2 are closed; the convex part 13 on the upper die 2 is clamped into the limiting ring 23, the elastic convex part 13 is clamped into the limiting ring 23 on the lower die 2, and the whole limiting ring 23 can be elastically supported from the inner side of the limiting ring 23; the small end of the connecting rod 4 is ensured to be firmly installed with the limiting ring 23; meanwhile, the limiting piece 15 on the upper die 1 can be in limiting installation with the groove part on the rod body 4; and then inserted into the positioning hole 21 using the fixing pin 11 to be screw-fitted. The positioning hole 21 is provided with a matched elastic split ring; when the fixing bolt 11 is assembled with the positioning hole 21, the split ring is elastically supported. When the fixing bolt 11 is assembled with the positioning hole 21, the elastic split ring carries out elastic support; the upper die 1 and the lower die 2 are guaranteed not to shake after being assembled, and the stability is improved. Then assembling the matched upper die 1 and lower die 2 with the fixed seat 6; the end part 41 of the connecting rod 4 is ensured to be vertically arranged upwards, so that the drilling tool can conveniently drill holes; both side walls of the fixing base 6 abut against the upper surface of the upper die 1 and the lower surface of the lower die 2. The fixing seat 6 is provided with a concave part convenient for assembling the hinge 3. The positioning piece 61 protruding on the fixed seat 6 is inserted into the clamping groove 5 on the upper die 1 and the lower die 2; the two side walls of the fixed seat 6 limit the upper die 1 and the lower die 2; and hinge 3 can block in the depressed part on fixing base 6, does not influence the assembly of fixing base 6 and last mould 1 and lower mould 2. The utility model discloses can be convenient carry out the centre gripping installation to connecting rod 4, keep vertical setting, conveniently drill processing.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. The clamp for drilling the bolt hole for the engine connecting rod is characterized by comprising an upper die (1), a lower die (2) and a fixed seat (6);
a hinge (3) for connection is arranged between the upper die (1) and the lower die (2); the upper die (1) and the lower die (2) are rotationally connected through a hinge (3);
the left side and the right side of the upper die (1) are provided with inwards concave grooves (12); a plurality of fixing bolts (11) which penetrate through the groove (12) are arranged in a matched manner; a positioning hole (21) is arranged at the corresponding position of the lower die (2); the fixing bolt (11) is inserted into the positioning hole (21) and is in threaded fit connection with the positioning hole (21);
mounting grooves (22) are formed in the middle parts of the upper die (1) and the lower die (2), and raised limiting pieces (15) are arranged in the mounting grooves (22) of the upper die (1); the limiting piece (15) is clamped with the groove body on the connecting rod (4); a contact ring (14) is arranged on the upper die (1), and a cylindrical bulge part (13) is arranged on the contact ring (14); a limiting ring (23) is arranged in the mounting groove (22) of the lower die (2); the limiting ring (23) is matched with the contact ring (14) to keep magnetic attraction; the lower head of the connecting rod (4) is sleeved on the periphery of the limiting ring (23); the bulge (13) is plugged into the hollow part of the limit ring (23);
the upper die (1) and the lower die (2) are both provided with a clamping groove (5); a raised positioning piece (61) is arranged on the fixed seat (6), and the positioning piece (61) is clamped in the clamping groove (5).
2. The jig for drilling bolt holes for an engine connecting rod according to claim 1, wherein both side walls of the fixing base (6) abut against the upper surface of the upper die (1) and the lower surface of the lower die (2).
3. The bolt hole drilling clamp for the engine connecting rod according to claim 1, characterized in that a matched elastic split ring is arranged on the positioning hole (21); when the fixing bolt (11) is assembled with the positioning hole (21), the split ring carries out elastic support.
4. The clamp for drilling bolt holes for the engine connecting rod according to claim 1, characterized in that the bottom of the lower die (2) is provided with a through groove (24) therethrough.
5. The engine connecting rod bolt hole drilling jig according to claim 1, characterized in that the boss portion (13) is an elastic body.
6. The drill bolt hole jig for engine connecting rod according to claim 1, characterized in that the end portion (41) of the connecting rod (4) protrudes from between the upper die (1) and the lower die (2).
7. The clamp for drilling bolt holes for the engine connecting rod is characterized in that the fixed seat (6) is provided with a concave part for facilitating the assembly of the hinge (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221001160.4U CN217701429U (en) | 2022-04-28 | 2022-04-28 | Bolt hole drilling clamp for engine connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221001160.4U CN217701429U (en) | 2022-04-28 | 2022-04-28 | Bolt hole drilling clamp for engine connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217701429U true CN217701429U (en) | 2022-11-01 |
Family
ID=83792416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221001160.4U Expired - Fee Related CN217701429U (en) | 2022-04-28 | 2022-04-28 | Bolt hole drilling clamp for engine connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217701429U (en) |
-
2022
- 2022-04-28 CN CN202221001160.4U patent/CN217701429U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221101 |