CN211490335U - Device for quickly positioning and installing crankshaft and engine body - Google Patents
Device for quickly positioning and installing crankshaft and engine body Download PDFInfo
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- CN211490335U CN211490335U CN201922404841.XU CN201922404841U CN211490335U CN 211490335 U CN211490335 U CN 211490335U CN 201922404841 U CN201922404841 U CN 201922404841U CN 211490335 U CN211490335 U CN 211490335U
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Abstract
The utility model discloses a device for quickly positioning and installing a crankshaft and a machine body, which comprises a crankshaft positioning device and a crankshaft clamping and installing device; the crankshaft positioning device comprises a machine body main bearing seat clamping assembly and a crankshaft positioning expansion assembly; the crankshaft clamping and mounting device comprises a crankshaft transfer guide rail sliding block assembly and a clamping cylinder. Adopt the utility model has the advantages of the location installation is accurate, reliable, good reproducibility.
Description
Technical Field
The utility model relates to a bent axle automatic assembly technical field, concretely relates to device of quick location installation of bent axle and organism.
Background
At present, when an engine is installed on a production line, a crankshaft needs to be installed on an engine body, manual positioning and installation are needed when the crankshaft is installed on the engine body, the working efficiency is low, meanwhile, because a crankshaft of a diesel engine is heavy, such as a crankshaft for a large diesel engine like a generator, when the crankshaft is installed manually, an operator needs to lift the crankshaft, then a control button is used for aligning and pressing the crankshaft into the engine body, the process needs a skilled technician to slowly adjust the pressing-in, because one is not careful, one shaking can cause the high-quality crankshaft to collide with the engine body, once a slight collision happens, the engine is likely to be damaged because the weight of the crankshaft is large, and even a cylinder body is scrapped. Although some automatic crankshaft assembling devices are also currently available, the control based on the adoption is too complex, the failure probability is obviously increased, and especially, the deviation occurs in positioning, because the mechanical assembling process cannot be adjusted in time like manual work, serious damage can be directly caused to scrap, and if the deviation is not large, the inner wall of a crankcase is scraped, the crankshaft is difficult to find after the crankshaft is assembled, the disaster of the whole production line product can be caused, and therefore, the device with low design failure rate and simple, accurate and reliable control is particularly important.
The above background disclosure is only provided to aid in understanding the concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, and it should not be used to assess the novelty and inventive step of the present application without explicit evidence that the above content has been disclosed at the filing date of the present patent application.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for above-mentioned technical problem realize automatic positioning installation bent axle, have the advantage that the location installation is accurate, reliable, good reproducibility.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a device for quickly positioning and installing a crankshaft and a machine body comprises a crankshaft positioning device and a crankshaft clamping and installing device; the crankshaft positioning device comprises a machine body main bearing seat clamping assembly and a crankshaft positioning expansion assembly; the machine body main bearing seat clamping assembly is distributed below the crankshaft positioning expansion assembly; the machine body main bearing seat clamping assembly comprises a clamping translation cylinder and two machine body main bearing seat clamping blocks correspondingly combined at the lower part of the clamping translation cylinder; the crankshaft positioning expansion assembly comprises an expansion translational cylinder and two crankshaft positioning expansion blocks correspondingly combined on the upper part of the expansion translational cylinder;
the crankshaft clamping and mounting device comprises a crankshaft transfer guide rail sliding block assembly and a clamping cylinder;
the transfer sliding blocks of the crankshaft transfer guide rail sliding block assembly can be movably distributed in the front and back directions through the left guide rail and the right guide rail; the left side and the right side of the transfer sliding block are respectively combined with a left suspension arm and a right suspension arm; the middle parts of the left suspension arm and the right suspension arm are respectively combined with an upper telescopic oil cylinder and a lower telescopic oil cylinder, the inner sides of the lower ends of the left suspension arm and the right suspension arm are respectively combined with the clamping cylinder, and the telescopic rods of the clamping cylinders are correspondingly combined with crankshaft clamping sleeves; the cylinder barrels of the two clamping cylinders are communicated with each other through a communicating pipe, and electric control valves are correspondingly arranged at two ends of the communicating pipe.
Furthermore, the crankshaft positioning device also comprises a vertical lifting guide rail sliding block assembly, the lateral projection of a sliding block of the vertical lifting guide rail sliding block assembly is L-shaped, and the sliding block can be movably distributed up and down through a left vertical guide rail and a right vertical guide rail; a left supporting arm and a right supporting arm are arranged corresponding to the two vertical guide rails; positioning clamping bases are distributed at the front ends of the left supporting arm and the right supporting arm; the positioning and clamping base is provided with sliding grooves along the left and right directions; floating blocks are distributed in the sliding grooves; the floating block can move left and right through the floating block guide shaft; the upper part of the floating block is combined with the crankshaft positioning expansion assembly; the clamping translation cylinder is combined at the middle lower part of the floating block.
Further, the lifting device also comprises a horizontal guide rail sliding block assembly, wherein the horizontal guide rail sliding block assembly comprises an L-shaped horizontal sliding seat, and the front part of the L-shaped horizontal sliding seat is combined with the vertical lifting guide rail sliding block assembly.
Further, the crankshaft clamping sleeve comprises a front journal inserted rod sleeve and a rear journal clamping sleeve which are arranged corresponding to a front journal and a rear journal of the crankshaft.
The utility model has the advantages of compared with the prior art: adopt the utility model discloses structure and operation control are simple, and the key link adopts the cylinder to press to the end (adopts whole section stroke displacement control) to improve the degree of accuracy, is showing and is reducing the fault rate, the utility model discloses a device design structure is reasonable, and is transporting, timing bent axle process complete equipment operation is stable, the location is accurate reliable, excellent in use effect.
Drawings
Fig. 1 is a schematic structural view of the crankshaft positioning device of the present invention;
fig. 2 is a schematic front projection structure view of the crankshaft positioning device of the present invention;
FIG. 3 is a schematic structural view of the crankshaft clamping and mounting device of the present invention;
fig. 4 is a schematic view of a partial structure of the positioning and clamping base of the present invention.
Detailed Description
As shown in FIGS. 1 to 4, a device for quickly positioning and mounting a crankshaft and a machine body comprises a crankshaft positioning device and a crankshaft clamping and mounting device; the crankshaft positioning device comprises a horizontal guide rail sliding block assembly, a vertical lifting guide rail sliding block assembly, a machine body main bearing seat clamping assembly and a crankshaft positioning expansion assembly; the horizontal guide rail sliding block assembly comprises a horizontal slide rail 11, an air cylinder 12 and an L-shaped horizontal sliding seat 8, the horizontal slide rail 11 is distributed on a T-shaped fixed block base 10 and is distributed in the front-back direction, and the front part of the L-shaped horizontal sliding seat 8 is combined with the vertical lifting guide rail sliding block assembly; the L-shaped horizontal sliding base 8 is provided with a back-and-forth movement power by the air cylinder 12. When the engine body tray is installed, the tracks for correspondingly conveying the engine body tray are distributed, namely the engine body tray is linearly conveyed to the right front of the crankshaft positioning device from the left to the right through the tracks, and the distance between the engine body tray and the front and back positions of the crankshaft positioning device only needs to lock and limit the front and back positions of the engine body and the tray thereof, so that the front and back positions of the engine body can be positioned without any more; however, the left and right directions are transmitted from left to right, the brake is carried out after the movement, the accurate positioning control is carried out on the engine body based on factors such as large inertia, the cost is high, the stability is not high under the high-vibration and high-pollution environment of a heavy-duty mechanical production line, the technical scheme only needs to ensure that the engine body is roughly positioned and conveyed into an assembly area in the left and right directions, and the stability and the repeatability of the positioning with the precision within 5cm are not necessarily problems.
The lateral projection of the sliding block 7 of the sliding block component of the vertical lifting guide rail is L-shaped, and the sliding block can be movably distributed up and down through a left vertical guide rail 9 and a right vertical guide rail 9 and a lifting cylinder 13; a left supporting arm and a right supporting arm are arranged corresponding to the two vertical guide rails 9; the front ends of the left supporting arm and the right supporting arm are distributed with positioning clamping bases 4; the positioning and clamping base 4 is provided with sliding grooves 4-1 along the left and right directions; floating blocks 3 are distributed in the sliding groove 4-1; the floating blocks 3 are distributed through the floating block guide shafts 5 and can move left and right; the upper part of the floating block 3 is combined with the crankshaft positioning expansion assembly. The machine body main bearing seat clamping assembly comprises a clamping translation cylinder 2 and two machine body main bearing seat clamping blocks 1 correspondingly combined at the lower part of the clamping translation cylinder 2; the clamping translation cylinder 2 is combined at the middle lower part of the floating block 3; certainly, the lower part of the positioning and clamping base 4 is correspondingly provided with a notch, which is convenient for the telescopic movement of the two machine body main bearing seat clamping blocks 1. The crankshaft positioning expansion assembly comprises an expansion translational cylinder 3-1 and two crankshaft positioning expansion blocks 6 correspondingly combined on the upper part of the expansion translational cylinder; the crankshaft clamping and mounting device comprises a crankshaft transfer guide rail sliding block assembly and a clamping cylinder 16/19; the transfer sliding blocks of the crankshaft transfer guide rail sliding block assembly can be movably distributed in the front-back direction through the left guide rail 14 and the right guide rail 14, and the left guide rail 14 and the right guide rail 14 are also installed according to the size during installation, so that when the transfer sliding blocks of the crankshaft transfer guide rail sliding block assembly move to the tail end, a crankshaft to be installed is transferred to the position right above the expansion translation cylinder, and the crankshaft to be installed does not need to be repositioned in the front-back direction. The left side and the right side of the transfer sliding block are respectively combined with a left suspension arm 21 and a right suspension arm; the middle parts of the left suspension arm 21 and the right suspension arm are respectively combined with an upper telescopic oil cylinder 15 and a lower telescopic oil cylinder 15, the inner sides of the lower ends of the left suspension arm and the right suspension arm are respectively combined with the clamping cylinder 16/19, and the telescopic rod of the clamping cylinder 16/19 is correspondingly combined with a crankshaft clamping sleeve; the crankshaft clamping sleeve comprises a front journal rod inserting sleeve 20 and a rear journal clamping sleeve 17 which are arranged corresponding to a front journal and a rear journal of the crankshaft. The cylinders of the two clamping cylinders 16/19 are communicated with each other through a communication pipe 18, and two ends of the communication pipe 18 are correspondingly provided with electric control valves.
The method for positioning and installing the crankshaft by using the device for quickly positioning and installing the crankshaft and the machine body comprises the following steps:
(1) installing the device according to the specified size;
(2) conveying the crankshaft to be installed to a feeding frame (a placement frame with a Y-shaped frame on the left and right sides) of a crankshaft clamping and installing device, wherein the crankshaft to be installed is not accurately positioned in the left and right directions based on the needed transfer placement process; conveying the tray of the engine body into an assembly area of the crankshaft positioning device through a rail, wherein the front and back positions of the engine body relative to the crankshaft positioning device are positioned, but the left and right positions are only roughly positioned, and the positioning of the left and right positions only needs to keep the precision within 5 cm;
(3) starting the horizontal guide rail sliding block assembly to promote the L-shaped horizontal sliding seat to slide to the front tail end of the guide rail;
(4) starting the vertical lifting guide rail sliding block assembly to enable the sliding block of the vertical lifting guide rail sliding block assembly to slide to the lowest end;
(5) starting the clamping translation cylinder to enable the two clamping blocks of the main bearing seat of the machine body to clamp the main bearing seat of the machine body, driving the floating block to move leftwards/rightwards in the process, and enabling the expanding translation cylinder to be located at the center of the main bearing seat of the machine body;
(6) starting the crankshaft clamping and mounting device, enabling the upper telescopic oil cylinder and the lower telescopic oil cylinder to extend downwards (which can be defined as a stroke extending to the lowest end), and sleeving the front journal inserted rod sleeve 20 and the rear journal clamping sleeve 17 into two ends of a crankshaft to be mounted by using a clamping cylinder and pressing the two ends; then the upper and lower telescopic oil cylinders contract upwards, the transfer slide block of the crankshaft transfer guide rail slide block assembly moves to the tail end, the crankshaft to be installed is transferred to the position right above the expansion translation air cylinder, and then the upper and lower telescopic oil cylinders extend downwards to enable the two crankshaft positioning expansion blocks (in a combined state) to be inserted between the two cranks of the crankshaft to be installed;
(7) starting the expansion translational air cylinder to enable the two crankshaft positioning expansion blocks to expand, simultaneously opening the two electric control valves of the crankshaft clamping and mounting device, communicating the two clamping air cylinders, and shifting the two crankshaft positioning expansion blocks to enable the crankshaft to be mounted to realize left and right direction movement calibration (namely, the two clamping air cylinders are equivalently extended and contracted after communicating with each other, so that the front journal inserted rod sleeve 20 and the rear journal clamping sleeve 17 are ensured to tightly sleeve the two ends of the crankshaft to be mounted to prevent accidental sliding off) and then closing the two electric control valves;
(8) the two crankshaft positioning expansion blocks are combined, the crankshaft clamping and mounting device contracts upwards and gives way, the vertical lifting guide rail sliding block assembly also contracts and returns, and then the crankshaft clamping and mounting device stably loads the crankshaft to be mounted into a crankcase of the engine body.
Claims (4)
1. The utility model provides a device of quick location installation of bent axle and organism which characterized in that: comprises a crankshaft positioning device and a crankshaft clamping and mounting device; the crankshaft positioning device comprises a machine body main bearing seat clamping assembly and a crankshaft positioning expansion assembly; the machine body main bearing seat clamping assembly is distributed below the crankshaft positioning expansion assembly; the machine body main bearing seat clamping assembly comprises a clamping translation cylinder and two machine body main bearing seat clamping blocks correspondingly combined at the lower part of the clamping translation cylinder; the crankshaft positioning expansion assembly comprises an expansion translational cylinder and two crankshaft positioning expansion blocks correspondingly combined on the upper part of the expansion translational cylinder;
the crankshaft clamping and mounting device comprises a crankshaft transfer guide rail sliding block assembly and a clamping cylinder; the transfer sliding blocks of the crankshaft transfer guide rail sliding block assembly can be movably distributed in the front and back directions through the left guide rail and the right guide rail; the left side and the right side of the transfer sliding block are respectively combined with a left suspension arm and a right suspension arm; the middle parts of the left suspension arm and the right suspension arm are respectively combined with an upper telescopic oil cylinder and a lower telescopic oil cylinder, the inner sides of the lower ends of the left suspension arm and the right suspension arm are respectively combined with the clamping cylinder, and the telescopic rods of the clamping cylinders are correspondingly combined with crankshaft clamping sleeves; the cylinder barrels of the two clamping cylinders are communicated with each other through a communicating pipe, and electric control valves are correspondingly arranged at two ends of the communicating pipe.
2. The device for quickly positioning and installing the crankshaft and the machine body as claimed in claim 1, wherein: the crankshaft positioning device further comprises a vertical lifting guide rail sliding block assembly, the lateral projection of a sliding block of the vertical lifting guide rail sliding block assembly is L-shaped, and the sliding block can be movably distributed up and down through a left vertical guide rail and a right vertical guide rail; a left supporting arm and a right supporting arm are arranged corresponding to the two vertical guide rails; positioning clamping bases are distributed at the front ends of the left supporting arm and the right supporting arm; the positioning and clamping base is provided with sliding grooves along the left and right directions; floating blocks are distributed in the sliding grooves; the floating block can move left and right through the floating block guide shaft; the upper part of the floating block is combined with the crankshaft positioning expansion assembly; the clamping translation cylinder is combined at the middle lower part of the floating block.
3. The device for quickly positioning and installing the crankshaft and the machine body as claimed in claim 2, wherein: the horizontal guide rail sliding block assembly comprises an L-shaped horizontal sliding seat, and the front part of the L-shaped horizontal sliding seat is combined with the vertical lifting guide rail sliding block assembly.
4. The device for quickly positioning and installing the crankshaft and the machine body as claimed in claim 1, wherein: the crankshaft clamping sleeve comprises a front journal inserted bar sleeve and a rear journal clamping sleeve which are arranged corresponding to a front journal and a rear journal of the crankshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922404841.XU CN211490335U (en) | 2019-12-27 | 2019-12-27 | Device for quickly positioning and installing crankshaft and engine body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922404841.XU CN211490335U (en) | 2019-12-27 | 2019-12-27 | Device for quickly positioning and installing crankshaft and engine body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211490335U true CN211490335U (en) | 2020-09-15 |
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ID=72420809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922404841.XU Active CN211490335U (en) | 2019-12-27 | 2019-12-27 | Device for quickly positioning and installing crankshaft and engine body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211490335U (en) |
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2019
- 2019-12-27 CN CN201922404841.XU patent/CN211490335U/en active Active
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