CN214870188U - Dismounting device of piston - Google Patents
Dismounting device of piston Download PDFInfo
- Publication number
- CN214870188U CN214870188U CN202120459430.5U CN202120459430U CN214870188U CN 214870188 U CN214870188 U CN 214870188U CN 202120459430 U CN202120459430 U CN 202120459430U CN 214870188 U CN214870188 U CN 214870188U
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- connecting plate
- piston
- support frame
- nut
- screw rod
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Abstract
The utility model discloses a piston dismounting device, which comprises a support frame with one end connected with the end part of a piston cylinder, the other end of the supporting frame is provided with a connecting plate, the middle part of the connecting plate is provided with a through hole, a pulling screw rod penetrates through the through hole, one end of the pulling screw rod is connected with the end part of the piston rod, the other end of the pulling screw rod is provided with a nut which is positioned outside the supporting frame, one end surface of the nut close to the piston rod is tightly attached to the connecting plate, the side surface of the support frame is provided with an opening, the position of the piston cylinder is fixed by the support frame, one end of the pulling screw rod is connected with the end part of the piston rod, the nut arranged on the pulling screw rod is propped against the connecting plate, the nut is rotated to enable the screw rod to generate axial movement, thereby slowly pull out the piston rod, through this technical scheme, can be convenient dismantle piston rod smoothly among the hydraulic transmission device.
Description
Technical Field
The utility model relates to a mechanical piston maintenance of equipment field especially relates to a dismounting device of piston.
Background
The hydraulic transmission is more and more widely applied to the modern heavy mechanical equipment industry due to the advantages of large transmission thrust, torque, stepless speed regulation and the like. However, the high sealing performance required by hydraulic devices makes the contact surfaces of the components very tight, and especially under the condition that no special tool is arranged on a construction site, the piston rod is difficult to disassemble and maintain or overhaul in the piston cylinder.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides a dismounting device of piston has the advantage of piston rod among the convenient to detach hydraulic transmission device.
The technical scheme of the utility model is that:
the utility model provides a dismounting device of piston, includes that one end is connected at the support frame of piston cylinder tip, be equipped with the connecting plate on the other end of support frame, the middle part of connecting plate has a through-hole, and it has a pulling screw rod to pass in this through-hole, the tip at the piston rod is connected to the one end of pulling screw rod, the other end of pulling screw rod is equipped with the nut, the nut is located the outside of support frame, a terminal surface that the nut is close to the piston rod is hugged closely in the connecting plate, the side of support frame has the trompil.
The working principle of the technical scheme is as follows:
utilize the position of support frame fixed piston cylinder, connect the tip at the piston rod with the one end of pulling screw rod, utilize the nut that sets up on the pulling screw rod, the nut top is on the connecting plate, rotates the nut, makes the screw rod produce the ascending motion of axial to slowly pull out the piston rod, through this technical scheme, can be convenient dismantle smoothly with hydraulic transmission well piston rod.
In a further technical scheme, a supporting plate is arranged in the middle of the inside of the supporting frame and is arranged in parallel with the connecting plate, and the ratio of the distance between the supporting plate and the connecting plate to the distance between the supporting plate and the end part of the supporting frame is 2: 1.
In a further technical scheme, the connecting plate is of a triangular structure, three vertexes of the connecting plate are respectively provided with a support frame, the support frames are L-shaped, and the end portions of the support frames are fixed to the end portions of the piston cylinders through connecting bolts.
In a further technical scheme, gaps are formed among the three support frames on the connecting plate, and the shape of the support plate is the same as that of the connecting plate.
The utility model has the advantages that:
1. the position of the piston cylinder is fixed by the support frame, one end of the pulling screw rod is connected to the end part of the piston rod, the nut arranged on the pulling screw rod is pressed against the connecting plate, and the nut is rotated to enable the screw rod to move axially, so that the piston rod is pulled out slowly, and the piston rod in the hydraulic transmission device can be conveniently and smoothly detached by the technical scheme;
2. the strength of the support frame is enhanced by adding the support plate;
3. the distance is arranged between the support frames, so that the nut is convenient to rotate;
4. the three support frames are arranged, so that the strength when the piston rod is pulled is improved.
Drawings
Fig. 1 is a schematic structural diagram of a piston dismounting device according to the present invention;
fig. 2 is a schematic top view of a piston dismounting device according to the present invention;
fig. 3 is a schematic cross-sectional view a-a of fig. 2.
Description of reference numerals:
1. a piston cylinder; 2. a piston rod; 3. a connecting bolt; 4. a support frame; 5. a connecting plate; 6. a nut; 7. pulling the screw rod.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example (b):
as shown in fig. 1-3, a piston dismounting device, including support frame 4, connecting plate 5, pulling screw 7 and nut 6, hydraulic transmission device includes piston cylinder 1 and piston rod 2, support frame 4 is "L" style of calligraphy, the one end of support frame 4 passes through connecting bolt 3 fixed connection at the tip of piston cylinder 1, be equipped with connecting plate 5 on the other end of support frame 4, the middle part of connecting plate 5 has a through-hole, a pulling screw 7 has passed on the through-hole, the one end of pulling screw 7 is connected on the tip of piston rod 2, be equipped with a nut 6 on the other end of pulling screw 7, nut 6 is located the outside of support frame 4, the one end that nut 6 is close to piston rod 2 is hugged closely in a side of connecting plate 5, the trompil has on the side of support frame 4, utilize the trompil can operate nut 6.
When the piston rod pulling device is used, one end of the pulling screw rod 7 is fixed at the end part of the piston rod 2 in a threaded connection mode, the nut 6 is installed at the other end of the pulling screw rod 7, the position of the piston cylinder 1 is fixed through the support frame 4, the nut 6 arranged on the pulling screw rod 7 is utilized, the nut 6 abuts against the connecting plate 5, the nut 6 is rotated, the screw rod is enabled to move in the axial direction, the piston rod 2 is slowly pulled out, and the piston rod 2 in the hydraulic transmission device can be conveniently and smoothly detached through the technical scheme.
In another embodiment:
as shown in fig. 1 and 3, a support plate is arranged in the middle of the support frame 4, a hole with a diameter equal to that of the through hole in the middle of the connecting plate 5 is arranged in the middle of the support plate, the pulling screw 7 simultaneously penetrates through the through hole in the support plate and the hole in the middle of the connecting plate 5, the plate surface of the support plate and the plate surface of the connecting plate 5 are parallel to each other, the distance between the support plate and the connecting plate 5 is La, the distance between the support plate and one end of the support frame 4, which is connected with the piston cylinder 1, of the support plate and the support frame 4 is Lb, the ratio of La to Lb is 2:1, the strength of the support frame 4 is enhanced by the support plate, the distance between the support plate and the end of the support frame 4 is set at the same time, Lb needs to ensure that the piston rod 2 pulled out of 2/3 is not blocked, and the distance La needs to meet the space height of the operator for twisting the nut 6 construction.
In another embodiment:
as shown in fig. 2, connecting plate 5 and backup pad all are the triangle-shaped structure, are equipped with a support frame 4 on the three summit of connecting plate 5 respectively, and the tip of support frame 4 passes through connecting bolt 3 to be fixed at the tip of piston cylinder 1, all has the clearance between the three support frame 4 on the connecting plate 5, and the shape of backup pad is the same with the shape of connecting plate 5, sets up three support frame 4, increases the intensity when pulling piston rod 2, through set up the interval between support frame 4, is convenient for to the rotation of nut 6.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (4)
1. The utility model provides a dismounting device of piston, its characterized in that, includes that one end is connected at the support frame of piston cylinder tip, be equipped with the connecting plate on the other end of support frame, the middle part of connecting plate has a through-hole, and it has a pulling screw rod to pass in this through-hole, the tip at the piston rod is connected to the one end of pulling screw rod, the other end of pulling screw rod is equipped with the nut, the nut is located the outside of support frame, the terminal surface that the nut is close to the piston rod is hugged closely in the connecting plate, the side of support frame has the trompil.
2. The piston dismounting device according to claim 1, wherein a support plate is arranged in the middle of the support frame, the support plate is arranged in parallel with the connecting plate, and the ratio of the distance between the support plate and the connecting plate to the distance between the support plate and the end of the support frame is 2: 1.
3. The piston dismounting device according to claim 1, wherein the connecting plate is of a triangular structure, three vertexes of the connecting plate are respectively provided with a support frame, the support frames are L-shaped, and the end portions of the support frames are fixed to the end portions of the piston cylinders through connecting bolts.
4. The piston dismounting device according to claim 2, wherein the three support frames on the connecting plate have gaps therebetween, and the shape of the support plate is the same as that of the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120459430.5U CN214870188U (en) | 2021-03-03 | 2021-03-03 | Dismounting device of piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120459430.5U CN214870188U (en) | 2021-03-03 | 2021-03-03 | Dismounting device of piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214870188U true CN214870188U (en) | 2021-11-26 |
Family
ID=78856148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120459430.5U Active CN214870188U (en) | 2021-03-03 | 2021-03-03 | Dismounting device of piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214870188U (en) |
-
2021
- 2021-03-03 CN CN202120459430.5U patent/CN214870188U/en active Active
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