CN211889729U - Crankcase bearing cap horizontal bolt wrench degree instrument - Google Patents
Crankcase bearing cap horizontal bolt wrench degree instrument Download PDFInfo
- Publication number
- CN211889729U CN211889729U CN202020343155.6U CN202020343155U CN211889729U CN 211889729 U CN211889729 U CN 211889729U CN 202020343155 U CN202020343155 U CN 202020343155U CN 211889729 U CN211889729 U CN 211889729U
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- crankcase
- bolt
- bearing cap
- dial
- post
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Abstract
The utility model relates to a crankcase bearing cap horizontal bolt degree of pulling instrument belongs to crankcase appurtenance's technical field, and it includes the layer board through couple fixed mounting at crankcase lateral wall top, the both sides of layer board are fixed to be set up and crankcase side bolt assorted pulls the post, and two distances of pulling the post are the same with distance on the crankcase between the bolt, the tip setting of pulling the post is with crankcase bolt size assorted recess, pull the post and keep away from crankcase tip and rotate the installation calibrated scale, it is provided with the spanner to pull the tip that the post stretches out the calibrated scale, twists the spanner through the spanner and adjusts the elasticity of crankcase bolt. The utility model discloses have and reduce the operating error, improve the bolt tightening precision, reduce the bolt tightening operating time, make convenient operation, simple and easy effect.
Description
Technical Field
The utility model relates to a crankcase bearing cap horizontal bolt throw degree instrument belongs to crankcase appurtenance's technical field.
Background
The crankcase is a key part of the diesel engine, the processing quality of the crankcase has fatal influence on the diesel engine, and in order to ensure the processing quality of a crankshaft hole, a bearing cover is required to be processed together after being installed on the crankcase. In order to ensure the installation quality of the bearing cover on the crankcase, the tightening of the horizontal bolt of the bearing cover is required, and the tightening and twice-angle tightening are carried out.
The existing tightening mode is as follows: when an operator tightens the horizontal bolt, the angle is tightened in a manual marking mode, namely, after the bolt is tightened in advance according to the torque requirement, a marking pen is used for marking on the hexagon head of the bolt, then, the corresponding position of the crankcase is marked according to the tightening angle, and then the bolt is screwed to align the marking, so that the installation of the bearing cap is completed. The prior art has the following defects: 1. the operation error is large, and the requirement of high precision cannot be met. 2. The operation is inconvenient, the time is long, and the tightening efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a crankcase bearing cap horizontal bolt throw degree instrument has the effect that reduces the operating error, improves the bolt tightening precision, reduces the bolt tightening operating time, makes convenient operation, simple and easy.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a crankcase bearing cap horizontal bolt degree of pulling instrument, includes the layer board through couple fixed mounting at crankcase lateral wall top, the both sides of layer board are fixed to be set up and are pulled the post with crankcase side bolt assorted, and the distance that two pulled the post is the same with the distance between the bolt on the crankcase, pull the tip of post and set up the recess with crankcase bolt size assorted, pull the post and keep away from crankcase tip rotation installation calibrated scale, pull the tip that the post stretches out the calibrated scale and be provided with the wrench, twist the degree of tightness that the wrench adjusted the crankcase bolt through the spanner.
The utility model discloses technical scheme's further improvement lies in: a butterfly nut is installed on the hook, and threads are arranged on the hook.
The utility model discloses technical scheme's further improvement lies in: the wrench head is sleeved with a check ring, and the check ring is arranged between the dial and the wrench.
The utility model discloses technical scheme's further improvement lies in: the check ring is fixedly arranged on the dial disc through a countersunk head screw.
The utility model discloses technical scheme's further improvement lies in: the hook is L-shaped and is clamped and fixed at the upper end of the crankcase by screwing the butterfly nut.
The utility model discloses technical scheme's further improvement lies in: and a pressure spring and a steel ball for zeroing the dial are arranged at the position, corresponding to the dial, in the pulling column.
Since the technical scheme is used, the utility model discloses the technological effect who gains has:
the utility model discloses a board degree instrument for bolt is screwed up to crankcase carries out bolt angle through utilizing the calibrated scale and screws up, and the error of operation is little, and the precision of screwing up of bolt is high, changes the traditional manual mode of screwing up of ruling, and it is few to have the operating time of screwing up, convenient operation, simple effect.
The utility model discloses set up the retaining ring between spanner and calibrated scale, the retaining ring is made for elastic material, can prevent that the spanner from carrying out the wearing and tearing loss to the calibrated scale, avoids the digit on the calibrated scale to be worn off.
The utility model discloses a set up butterfly nut and couple and come whole plate degree instrument to install on the tank wall of crankcase, simple structure, convenient operation, convenient to detach.
The utility model discloses a countersunk screw with retaining ring fixed mounting on the calibrated scale, hang when pulling the head at the spanner, can tightly laminate the retaining ring and rotate.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a front view of a part of the structure of the present invention.
The device comprises a base, a wrench, a spanner, a column, a dial, a check ring, a spanner head, a pressure spring, a steel ball, a hook, a butterfly nut, a spanner, a butterfly nut, a spanner and a pull column, wherein the spanner comprises a base, a countersunk head screw, a support plate, a.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments:
the crankcase is a key part of the diesel engine, and in order to ensure the installation quality of the bearing cover on the crankcase, the tightening of a horizontal bolt of the bearing cover is required, and the tightening is carried out by adopting a mode of pre-tightening and twice angle tightening. The existing tightening mode is as follows: when an operator tightens the horizontal bolt, the angle is tightened in a manual marking mode, namely, after the bolt is tightened in advance according to the torque requirement, a marking pen is used for marking on the hexagon head of the bolt, then, the corresponding position of the crankcase is marked according to the tightening angle, and then the bolt is screwed to align the marking, so that the installation of the bearing cap is completed. As shown in fig. 1-2, the present invention provides a crankcase bearing cap horizontal bolt flatness tool.
The utility model discloses a board degree instrument includes a layer board 2, and layer board 2 is annular spanner structure, and integrated into one piece has semi-circular arch in the centre of layer board 2, installs couple 8 in the arch, and couple 8 is L shape, deviates from the one end fixed mounting butterfly nut 9 at the turning at couple 8. In a specific embodiment, the specification that thumb nut 9 can choose is M8X 1.25, makes couple 8 not drop from protruding, is provided with the screw thread simultaneously on couple 8, can adjust couple 8 flexible through twisting thumb nut 9 for fix layer board 2 with crankcase upper end portion tank wall.
Bolts are fixedly installed at the upper ends of two sides of the crankcase, a pulling column 11 is fixedly installed at the position, corresponding to the two bolts, of the supporting plate 2, the pulling column 11 and the bolts are arranged in the same direction, the pulling column 11 is of a cylindrical structure, a regular hexagon groove matched with the bolts is formed in the surface, corresponding to the bolts on the crankcase, of the pulling column 11, the pulling column 11 is sleeved on the bolts, and a circular boss concentric with the pulling column 11 is arranged between the pulling column 11 and the supporting plate 2 and used for clamping the pulling column 11 and preventing the pulling column 11 from moving longitudinally; the part of the plate column 11 extending out of the supporting plate 2 is sleeved with a dial 3, the dial 3 and the plate column 11 can rotate relatively, a pressure spring 6 and a steel ball 7 are installed in the position, corresponding to the dial 3, in the plate column 11 along the radial direction of the plate column 11, the size of the pressure spring 6 is 0.5 multiplied by 4.5 multiplied by 15, the size of the steel ball 7 is phi 6 and is used for carrying out zero setting operation on the dial 3 and ensuring the accuracy of the dial, a plurality of opposite circular grooves are arranged at the position, corresponding to the steel ball 7, of the inner wall of the dial 3, and the steel ball 7 is clamped into the circular grooves for adjustment.
The wrench is characterized in that a wrench head 5 is arranged on the wrench post 11 and extends out of the dial 3 through welding or integrated forming, the wrench head 5 and the wrench post 11 are coaxially arranged, the wrench head 5 is of a regular hexagonal prism structure, a wrench 10 is sleeved on the wrench head 5 to rotate to screw a bolt on a crankcase, a check ring 4 is arranged between the dial 3 and the wrench 10, the check ring 4 is made of a circular elastic material, the check ring 4 is fixedly installed on the dial 3 through three M4 multiplied by 8 countersunk head screws 1, and the wrench 10 is placed to rub the loss of the dial 3.
The specific implementation manner of this embodiment: when using, behind the crankcase pretension bolt, will the utility model discloses a plate degree instrument pull post 11 cover at the head of bolt to through twisting butterfly nut 9 and make 8 the couple hang on the tank wall of crankcase, make whole instrument with bent week case keep the stationary state. At this time, the pulling columns 11 are perpendicular to the curved box side wall. The scale on the dial 3 is adjusted to zero, namely the steel ball 7 is clamped into the circular groove on the inner wall of the dial 3, and then the tightening operation is carried out according to the scale.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape, principle and the like of the invention are covered by the protection scope of the invention.
Claims (6)
1. The utility model provides a crankcase bearing cap horizontal bolt throw instrument which characterized in that: the bolt adjusting device is characterized by comprising a supporting plate (2) fixedly installed at the top of the side wall of a crankcase through a hook (8), wherein two sides of the supporting plate (2) are fixedly provided with a pulling column (11) matched with a bolt on the side face of the crankcase, the distance between the two pulling columns (11) is the same as the distance between bolts on the crankcase, the end part of each pulling column (11) is provided with a groove matched with the size of the bolt on the crankcase, the pulling column (11) is far away from the end part of the crankcase and is rotatably provided with a dial (3), the end part of each pulling column (11) extending out of the dial (3) is provided with a wrench head (5), and the wrench head (5) is screwed through a.
2. A crankcase bearing cap horizontal bolt wrenching tool as claimed in claim 1, wherein: a butterfly nut (9) is installed on the hook (8), and threads are arranged on the hook (8).
3. A crankcase bearing cap horizontal bolt wrenching tool as claimed in claim 1, wherein: the wrench head (5) is sleeved with a retaining ring (4), and the retaining ring (4) is arranged between the dial (3) and the wrench (10).
4. A crankcase bearing cap horizontal bolt wrenching tool according to claim 3, wherein: the retainer ring (4) is fixedly arranged on the dial (3) through a countersunk head screw (1).
5. A crankcase bearing cap horizontal bolt wrenching tool as claimed in claim 2, wherein: the hook (8) is L-shaped and is clamped and fixed at the upper end of the crankcase by screwing the butterfly nut (9).
6. A crankcase bearing cap horizontal bolt wrenching tool as claimed in claim 1, wherein: and a pressure spring (6) and a steel ball (7) for zeroing the dial are arranged at the position, corresponding to the dial (3), in the pulling column (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020343155.6U CN211889729U (en) | 2020-03-18 | 2020-03-18 | Crankcase bearing cap horizontal bolt wrench degree instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020343155.6U CN211889729U (en) | 2020-03-18 | 2020-03-18 | Crankcase bearing cap horizontal bolt wrench degree instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211889729U true CN211889729U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020343155.6U Active CN211889729U (en) | 2020-03-18 | 2020-03-18 | Crankcase bearing cap horizontal bolt wrench degree instrument |
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| Country | Link |
|---|---|
| CN (1) | CN211889729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203697A (en) * | 2020-03-18 | 2020-05-29 | 河北华北柴油机有限责任公司 | Crankcase bearing cap horizontal bolt wrench degree instrument |
-
2020
- 2020-03-18 CN CN202020343155.6U patent/CN211889729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203697A (en) * | 2020-03-18 | 2020-05-29 | 河北华北柴油机有限责任公司 | Crankcase bearing cap horizontal bolt wrench degree instrument |
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