CN216180194U - Hydraulic pulling device for internal thread positioning pin - Google Patents
Hydraulic pulling device for internal thread positioning pin Download PDFInfo
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- CN216180194U CN216180194U CN202122499414.1U CN202122499414U CN216180194U CN 216180194 U CN216180194 U CN 216180194U CN 202122499414 U CN202122499414 U CN 202122499414U CN 216180194 U CN216180194 U CN 216180194U
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- internal thread
- hydraulic
- positioning pin
- hydraulic cylinder
- pulled out
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- 239000007788 liquid Substances 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000000605 extraction Methods 0.000 claims 4
- 230000002787 reinforcement Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a hydraulic pulling device for an internal thread positioning pin, which comprises a separated hydraulic jack, a bolt and a pressing block, wherein the separated hydraulic jack is connected with the bolt; the separated hydraulic jack comprises a hydraulic cylinder and a manual pump which are separated from each other, and a liquid inlet hole of the hydraulic cylinder is connected with an oil outlet hole of the manual pump through a flexible hydraulic pipe; the bolt is used for penetrating through the pressing block and is in threaded connection with the internal thread positioning pin to be pulled out, and the hydraulic cylinder is clamped between the pressing block and a carrier component of the internal thread positioning pin to be pulled out; the manual pump supplies pressure to the hydraulic cylinder, and a piston rod of the hydraulic cylinder is ejected out, so that the distance between the pressing block and the carrier component of the internal thread positioning pin to be pulled out is increased, and the bolt drives the internal thread positioning pin to be pulled out; this technical scheme is rational in infrastructure, and convenient operation can provide the withdrawal force for the internal thread locating pin through manual control hand pump, and the reinforcement is steady, has effectively avoided the impact force to the harm that the locating pin brought.
Description
Technical Field
The utility model relates to the technical field of positioning pin pulling, in particular to a hydraulic pulling device for an internal thread positioning pin.
Background
The internal thread positioning pin is a positioning element commonly used in machinery, and is generally used in a position where the pin hole is a blind hole, and is used for maintaining the positioning of a component and playing a role of the positioning pin.
The internal thread locating pin comprises an internal thread hole, and the internal thread hole is used for disassembling the locating pin, screwing in a screw and pulling out the locating pin.
The common disassembling method of the internal thread positioning pin is as follows: screwing the screw into the inner threaded hole of the positioning pin, and pulling out the screw through the pulling hammer; however, if the positioning pin is tightly fitted with the pin hole, when the hammer is difficult to pull out, the hammer is generally used to knock the hammer, and the impact force is generated by the rapid movement of the hammer, so that the positioning pin is pulled out from the pin hole.
The pulling-up mode of the positioning pin has the following defects: the hammer is knocked and pulled out through the manual work, and the dynamics is limited, and is difficult to pull out to the locating pin that the specification is bigger than normal, and easily destroys the interior screw hole of locating pin moreover.
Disclosure of Invention
The utility model aims to solve the technical problem of making up the defects of the prior art and provides a hydraulic pulling device for an internal thread positioning pin.
To solve the technical problems, the technical scheme of the utility model is as follows:
a hydraulic pulling device for an internal thread positioning pin comprises a separated hydraulic jack, a bolt and a pressing block; the separated hydraulic jack comprises a hydraulic cylinder and a manual pump which are separated from each other, and a liquid inlet hole of the hydraulic cylinder is connected with an oil outlet hole of the manual pump through a flexible hydraulic pipe; the bolt is used for penetrating through the pressing block and is in threaded connection with the internal thread positioning pin to be pulled out, and the hydraulic cylinder is clamped between the pressing block and a carrier component of the internal thread positioning pin to be pulled out; the manual pump supplies pressure to the hydraulic cylinder, and a piston rod of the hydraulic cylinder is ejected out, so that the distance between the pressing block and the carrier component of the internal thread positioning pin to be pulled out is increased, and the bolt drives the internal thread positioning pin to be pulled out.
Furthermore, the hydraulic cylinder is an annular hydraulic cylinder, and the bolt sequentially penetrates through the pressing block and the hydraulic cylinder and is in threaded connection with the positioning pin of the internal thread to be pulled out.
Furthermore, the number of the hydraulic cylinders is 2, and liquid inlet holes of the 2 hydraulic cylinders are connected with an oil outlet hole of the manual pump through a three-way joint and a flexible hydraulic pipe; the mounting plate is of a 'n' -shape and comprises a top plate, 2 side plates and 2 shoulder plates; the 2 hydraulic cylinders are respectively fixed on the 2 shoulder plates of the mounting plate and are positioned on the same side of the shoulder plates with the top plate; the pressing block is located in the groove of the mounting plate, and the bolt sequentially penetrates through the pressing block and the top plate of the mounting plate and is in threaded connection with the positioning pin with the internal thread to be pulled out.
Further, the extending end face of the piston rod of the hydraulic cylinder faces the positioning pin with the internal thread to be pulled out.
Furthermore, a magnet block is arranged on the extending end face of the piston rod of the hydraulic cylinder and is used for being magnetically connected with a carrier component of the positioning pin with the internal thread to be pulled out.
Further, still include and increase the piece, increase the piece and set up between the carrier component of pneumatic cylinder and the internal thread locating pin of waiting to extract for increase the working face of pneumatic cylinder.
The utility model can achieve the following beneficial effects: the structure is reasonable, the operation is convenient, the pull-out force can be provided for the internal thread positioning pin by manually operating the manual pump, the force is increased stably, and the damage to the positioning pin caused by impact force is effectively avoided; the pulling-up of the positioning pin within a certain specification range can be met by replacing the pressing block.
Drawings
FIG. 1 is a front sectional view showing an initial state of use of embodiment 1 of the present invention;
FIG. 2 is a front sectional view showing a state of use termination in example 1 of the present invention;
FIG. 3 is a main sectional view showing a final state of pulling up a positioning pin of a long gauge according to example 1 of the present invention;
FIG. 4 is a front sectional view showing a state of use termination in example 2 of the present invention;
FIG. 5 is an exploded view of embodiment 2 of the present invention;
FIG. 6 is a front sectional view showing an initial state of use of embodiment 3 of the present invention;
FIG. 7 is a schematic perspective view of embodiment 3 of the present invention;
FIG. 8 is a front sectional view showing a state of use termination of embodiment 3 of the present invention;
in the figure: 1-bolt, 2-briquetting, 3-hydraulic cylinder, 301-end cover, 302-piston rod, 303-cylinder body, 304-liquid inlet hole and 305-pressure relief hole; 4-heightening block, 5-magnet block, 6-mounting plate, 601-top plate, 602-side plate, 603-shoulder plate and 7-internal thread positioning pin.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
A hydraulic lifting device for an internal thread positioning pin comprises a separated hydraulic jack, a bolt 1, a pressing block 2 and a magnet block 5.
The separated hydraulic jack comprises a hydraulic cylinder 3 and a manual pump which are separated from each other, and a liquid inlet hole 304 of the hydraulic cylinder 3 is connected with an oil outlet hole of the manual pump through a flexible hydraulic pipe; the hydraulic cylinder 3 comprises a cylinder body 303, a piston rod 302, an end cover 301, a liquid inlet hole 304 and a pressure relief hole 305, and the hydraulic cylinder 3 in the embodiment is selected to be an annular hydraulic cylinder.
The bolt 1 is used for sequentially penetrating through the pressing block 2, the hydraulic cylinder 3 and the magnet block 5 and is in threaded connection with the internal thread positioning pin 7 to be pulled out, and the extending end face of the piston rod 302 of the hydraulic cylinder 3 faces the internal thread positioning pin 7 to be pulled out.
The magnet block 5 is fixed on the extended end face of the piston rod 302 of the hydraulic cylinder 3 for magnetic connection with the carrier member of the positioning pin 7 with the internal thread to be pulled out.
Use of this example:
(1) the magnet block 5 is fixedly connected to the projecting end of the piston rod 302 of the hydraulic cylinder 3.
(2) The hole of the hydraulic cylinder 3 is aligned with the internal thread positioning pin 7, and the magnet block 5 is adsorbed on the carrier component of the internal thread positioning pin 7 to be pulled out through magnetic force.
(3) The bolt 1 sequentially penetrates through the pressing block 2, the hydraulic cylinder 3 and the magnet block 5 to be in threaded connection with the positioning pin 7 with the internal thread to be pulled out, as shown in figure 1.
(4) The manual pump is manually operated to supply pressure to the hydraulic cylinder 3, the piston rod 302 of the hydraulic cylinder 3 is ejected out, the distance between the pressing block 2 and the carrier component of the internal thread positioning pin 7 to be pulled out is increased, and therefore the bolt 1 drives the internal thread positioning pin 7 to be pulled out, as shown in fig. 2.
In addition, briquetting 2 can set up the specification of multiple different trompil sizes according to the different diameters of bolt 1 to the locating pin of different diameters is adapted to.
Example 2
After the specification of the hydraulic cylinder 3 in example 1 is selected, the maximum length of the positioning pin which can be pulled out is a fixed value, and when the length of the positioning pin exceeds the stroke of the hydraulic cylinder 3, the positioning pin cannot be pulled out by using example 1, as shown in fig. 3.
This embodiment is the same as embodiment 1 except that a heightening block 4 is added to embodiment 1.
The heightening block 4 is arranged between the hydraulic cylinder 3 and a carrier component of the positioning pin 7 with the internal thread to be pulled out and is used for heightening the working surface of the hydraulic cylinder 3.
In the use of the present embodiment:
(1) the heightening block 4 is fixedly connected to the extending end of the piston rod 302 of the hydraulic cylinder 3, and the magnet block 5 is fixedly connected to the end of the heightening block 4.
(2) The hole of the hydraulic cylinder 3 is aligned with the internal thread positioning pin 7, and the magnet block 5 is adsorbed on the carrier component of the internal thread positioning pin 7 to be pulled out through magnetic force.
(3) The bolt 1 sequentially penetrates through the pressing block 2, the hydraulic cylinder 3, the heightening block 4 and the magnet block 5 to be in threaded connection with the positioning pin 7 with the internal thread to be pulled out, as shown in figure 4.
(4) The manual pump is manually operated to supply pressure to the hydraulic cylinder 3, the piston rod 302 of the hydraulic cylinder 3 is ejected out, the distance between the pressing block 2 and the carrier component of the internal thread positioning pin 7 to be pulled out is increased, and therefore the bolt 1 drives the internal thread positioning pin 7 to be pulled out, as shown in fig. 2.
Example 3
A hydraulic lifting device for an internal thread positioning pin comprises a separated hydraulic jack, a bolt 1, a pressing block 2, an installation plate 6 and a magnet block 5.
The separated hydraulic jack comprises hydraulic cylinders 3 and manual pumps which are separated from each other, the number of the hydraulic cylinders 3 is 2, and the liquid inlet holes 304 of the 2 hydraulic cylinders 3 are connected with the oil outlet hole of the manual pump through a three-way joint and a flexible hydraulic pipe; the hydraulic cylinder 3 includes a cylinder 303, a piston rod 302, an end cover 301, a liquid inlet hole 304, and a pressure relief hole 305.
The mounting plate 6 is of a 'n' shape and comprises a top plate 601, 2 side plates 602 and 2 shoulder plates 603; the 2 hydraulic cylinders 3 are respectively fixed on the 2 shoulder plates 603 of the mounting plate 6 and are positioned on the same side of the shoulder plates 603 as the top plate 601, and the extending end surfaces of the piston rods 302 of the hydraulic cylinders 3 face the positioning pins 7 of the internal threads to be pulled out; a magnet block 5 is fixed on the extending end face of a piston rod 302 of the hydraulic cylinder 3 and is used for being magnetically connected with a carrier component of the positioning pin 7 with the internal thread to be pulled out; the pressing block 2 is located in a groove of the mounting plate 6, and the bolt 1 sequentially penetrates through the pressing block 2 and a top plate 601 of the mounting plate 6 to be in threaded connection with the positioning pin 7 with the internal thread to be pulled out.
Use of this example:
(1) the magnet block 5 is fixedly connected to the projecting end of the piston rod 302 of the hydraulic cylinder 3.
(2) The hole on the top plate 601 of the mounting plate 6 is aligned with the internal thread positioning pin 7, and the magnet block 5 is attracted to the carrier member from which the internal thread positioning pin 7 is to be pulled out by magnetic force.
(3) The bolt 1 sequentially penetrates through the pressing block 2 and the top plate 601 of the mounting plate 6 to be in threaded connection with the positioning pin 7 with the internal thread to be pulled out, as shown in fig. 6.
(4) The manual pump is manually operated to supply pressure to the hydraulic cylinder 3, the piston rod 302 of the hydraulic cylinder 3 is ejected out, the distance between the pressing block 2 and the carrier component of the internal thread positioning pin 7 to be pulled out is increased, and therefore the bolt 1 drives the internal thread positioning pin 7 to be pulled out, as shown in fig. 8.
In the description of the present invention, words such as "inner", "outer", "upper", "lower", "front", "rear", etc., indicating orientations or positional relationships, are used for convenience in describing the present invention, and do not indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The above description is only one embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the spirit of the present invention.
Claims (6)
1. The utility model provides a hydraulic pressure pull-out device for internal thread locating pin, characterized by: comprises a separated hydraulic jack, a bolt (1) and a pressing block (2); the separated hydraulic jack comprises a hydraulic cylinder (3) and a manual pump which are separated from each other, and a liquid inlet hole (304) of the hydraulic cylinder (3) is connected with an oil outlet hole of the manual pump through a flexible hydraulic pipe; the bolt (1) is used for penetrating through the pressing block (2) to be in threaded connection with the positioning pin (7) with the internal thread to be pulled out, and the hydraulic cylinder (3) is clamped between the pressing block (2) and a carrier component of the positioning pin (7) with the internal thread to be pulled out; the manual pump supplies pressure to the hydraulic cylinder (3), a piston rod (302) of the hydraulic cylinder (3) is ejected out, so that the distance between the pressing block (2) and a carrier component of the internal thread positioning pin (7) to be pulled out is increased, and the bolt (1) drives the internal thread positioning pin (7) to be pulled out.
2. The hydraulic extraction device for the internally threaded dowel of claim 1, wherein: the hydraulic cylinder (3) is an annular hydraulic cylinder, and the bolt (1) sequentially penetrates through the pressing block (2) and the hydraulic cylinder (3) and is in threaded connection with the internal thread positioning pin (7) to be pulled out.
3. The hydraulic extraction device for the internally threaded dowel of claim 1, wherein: the number of the hydraulic cylinders (3) is 2, and liquid inlet holes (304) of the 2 hydraulic cylinders (3) are connected with an oil outlet hole of the manual pump through a three-way joint and a flexible hydraulic pipe; the mounting plate (6) is of a 'n' shape and comprises a top plate (601), 2 side plates (602) and 2 shoulder plates (603); the 2 hydraulic cylinders (3) are respectively fixed on the 2 shoulder plates (603) of the mounting plate (6), and are positioned on the same side of the shoulder plates (603) with the top plate (601); the pressing block (2) is located in a groove of the mounting plate (6), and the bolt (1) sequentially penetrates through the pressing block (2) and a top plate (601) of the mounting plate (6) and is in threaded connection with the positioning pin (7) with the internal thread to be pulled out.
4. The hydraulic extraction device for the internally threaded dowel of claim 1, wherein: the extending end face of a piston rod (302) of the hydraulic cylinder (3) faces the positioning pin (7) with the internal thread to be pulled out.
5. The hydraulic pulling device for the internally threaded locating pin as set forth in claim 4, wherein: and a magnet block (5) is arranged on the extending end face of a piston rod (302) of the hydraulic cylinder (3), and the magnet block (5) is magnetically connected with a carrier component of the internal thread positioning pin (7) to be pulled out.
6. The hydraulic extraction device for the internally threaded dowel of claim 1, wherein: the lifting device is characterized by further comprising a lifting block (4), wherein the lifting block (4) is arranged between the hydraulic cylinder (3) and a carrier component of the internal thread positioning pin (7) to be pulled out and used for lifting the working surface of the hydraulic cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122499414.1U CN216180194U (en) | 2021-10-18 | 2021-10-18 | Hydraulic pulling device for internal thread positioning pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122499414.1U CN216180194U (en) | 2021-10-18 | 2021-10-18 | Hydraulic pulling device for internal thread positioning pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216180194U true CN216180194U (en) | 2022-04-05 |
Family
ID=80883251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122499414.1U Expired - Fee Related CN216180194U (en) | 2021-10-18 | 2021-10-18 | Hydraulic pulling device for internal thread positioning pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216180194U (en) |
-
2021
- 2021-10-18 CN CN202122499414.1U patent/CN216180194U/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 |
Granted publication date: 20220405 |