CN211992742U - Positioning pin puller - Google Patents
Positioning pin puller Download PDFInfo
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- CN211992742U CN211992742U CN201922350209.1U CN201922350209U CN211992742U CN 211992742 U CN211992742 U CN 211992742U CN 201922350209 U CN201922350209 U CN 201922350209U CN 211992742 U CN211992742 U CN 211992742U
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- hole
- screw rod
- unit
- supporting seat
- puller
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Abstract
The utility model provides a locating pin puller, including bearing, hydraulic jack, intermediate junction spare, clamp plate, screw rod, nut and unit locating pin, be equipped with first through-hole on the bearing, the lower terminal surface of bearing is faced the first through-hole and is equipped with a support section of thick bamboo, still be equipped with hydraulic jack respectively on the bearing of first through-hole both sides, the last clamp plate that is equipped with of hydraulic jack, the clamp plate is faced the first through-hole and is equipped with the second through-hole, unit locating pin and screw rod pass through first through-hole and second through-hole respectively and through intermediate junction spare threaded connection, the screw rod passes through the nut to be fixed on the clamp plate; the middle connecting piece is arranged, so that the unit positioning pin and the screw rod are fixedly connected, and the unit positioning pin is pulled out through the operation of the hydraulic jack, the operation is simple, the pulling operation is quick and reliable, and the working efficiency of the pulling operation is improved; the supporting cylinder is arranged, so that the contact surface between the supporting seat and the unit is reduced, the supporting seat is kept in horizontal balance, and the drawing operation is favorably and smoothly carried out.
Description
Technical Field
The utility model belongs to the technical field of the locating pin technique of drawing and specifically relates to a ware is drawn to locating pin.
Background
The positioning pin of the large-scale unit fixes the two large covers, so that the two large covers reach the same reference surface when being installed, the installation position of the unit is ensured, and the unit can safely operate for a long period at a certain position. However, in the maintenance process of the unit, the positioning pin needs to be pulled out first, and the unit can be smoothly disassembled and repaired. Because the unit operation time is longer, and operating temperature is higher, the unit locating pin produces certain deformation and corrosion along with the different operating mode of unit operation, brings very big difficulty for dismantling.
The existing disassembling method utilizes the nut and the jacking sleeve, if the positioning pin is deformed and rusted greatly, the nut is easy to slip and buckle in the stress process, the positioning pin cannot be pulled out, the condition can seriously block the overhaul progress of the unit, and the overhaul period of the unit is influenced, so that a drawing tool which is quick to disassemble and convenient to operate is needed.
SUMMERY OF THE UTILITY MODEL
Need a problem of dismantling swift, convenient operation's drawing tool to the aforesaid now, the utility model provides a locating pin puller.
In order to achieve the above purpose, the utility model discloses a realize through following technical scheme:
a positioning pin puller comprises a supporting seat, hydraulic jacks, an intermediate connecting piece, pressing plates, a screw rod, a nut and a unit positioning pin, wherein a first through hole is formed in the supporting seat, a supporting cylinder is arranged on the lower end face of the supporting seat, which faces the first through hole, the hydraulic jacks are respectively arranged on the supporting seat on two sides of the first through hole, the pressing plates are arranged on the two hydraulic jacks, a second through hole is formed in the pressing plates, which faces the first through hole, the unit positioning pin and the screw rod respectively penetrate through the first through hole and the second through hole and are in threaded connection through the intermediate connecting piece, and the screw rod is fixed on the pressing plates through the nut.
Furthermore, a support rod is welded between the support cylinder and the support seat; the supporting seat is more stable during operation.
Furthermore, internal threads are arranged inside the middle connecting piece, and external threads matched and connected with the internal threads are arranged on the outer surfaces of the screw rod and one end, close to the middle connecting piece, of the unit positioning pin; the unit locating pin with the screw rod with intermediate junction spare threaded connection is convenient for firm connection and dismantlement.
Furthermore, the first through hole and the second through hole are respectively arranged in the centers of the supporting seat and the pressing plate; the supporting seat and the pressing plate are balanced in stress during drawing operation, so that the drawing operation is facilitated and the pressing plate is not easy to damage.
Further, the supporting seat and the pressing plate are made of hard metal materials; the problem that the support seat and the pressing plate are fragile and easy to crush due to materials is prevented from influencing drawing operation.
Further, the inner diameters of the supporting cylinder and the first through hole are larger than the outer diameter of the unit positioning pin; the machine set positioning pin can be rapidly installed into the supporting cylinder and the first through hole, and the drawing operation efficiency is improved.
Further, the outer diameter of the nut is larger than the inner diameter of the second through hole; the screw rod is fixed on the pressing plate conveniently by the nut.
The utility model has the advantages that: the middle connecting piece is arranged, so that the unit positioning pin is fixedly connected with the screw rod and is pulled out through the operation of the hydraulic jack, the operation is simple, the pulling operation is quick and reliable, and the working efficiency of the pulling operation is improved; the supporting cylinder is arranged, so that the contact surface between the supporting seat and the unit is reduced, the supporting seat is kept in horizontal balance, and the smooth drawing operation is facilitated.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a supporting seat; 2. a hydraulic jack; 3. an intermediate connecting member; 4. pressing a plate; 5. A screw; 6. a nut; 7. a support cylinder; 8. a support bar; 9. a unit; 10. unit locating pin.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1, a locating pin puller comprises a supporting seat 1, hydraulic jacks 2, an intermediate connecting piece 3, a pressing plate 4, a screw rod 5, a nut 6 and a unit locating pin 10, wherein a first through hole is formed in the supporting seat 1, a supporting cylinder 7 is arranged on the lower end face of the supporting seat 1, which faces the first through hole, the hydraulic jacks 2 are respectively arranged on the supporting seat 1 on two sides of the first through hole, the pressing plates 4 are arranged on the two hydraulic jacks 2, a second through hole is arranged on the pressing plate 4, which faces the first through hole, the unit locating pin 10 and the screw rod 5 respectively pass through the first through hole and the second through hole and are in threaded connection through the intermediate connecting piece 3, and the screw rod 5 is fixed on the pressing.
A support rod 8 is welded between the support cylinder 7 and the support seat 1; so that the bearing block 1 is more stable during operation.
The inner part of the middle connecting piece 3 is provided with internal threads, and the outer surfaces of the screw rod 5 and one end of the unit positioning pin 10 close to the middle connecting piece 3 are provided with external threads which are matched and connected with the internal threads; the positioning pin 10 and the screw rod 5 of the machine set are in threaded connection with the middle connecting piece 3, so that stable connection and disassembly are facilitated.
The first through hole and the second through hole are respectively arranged in the centers of the supporting seat 1 and the pressing plate 4; the bearing seat 1 and the pressing plate 4 are stressed in a balanced manner when drawing operation is carried out, so that the drawing operation is convenient and not easy to damage.
The supporting seat 1 and the pressing plate 4 are both made of hard metal materials; the drawing operation is prevented from being affected by the problem that the support base 1 and the pressing plate 4 are fragile and easy to crush.
The inner diameters of the supporting cylinder 7 and the first through hole are larger than the outer diameter of the unit positioning pin 10; make unit locating pin 10 can be quick the installation advance support section of thick bamboo 7 and the inside of first through-hole, improved the efficiency of drawing the operation.
The outer diameter of the nut 6 is larger than the inner diameter of the second through hole; so that the nut 6 fixes the screw 5 on the pressure plate 4.
The utility model discloses a theory of operation does:
as shown in fig. 1, a unit positioning pin 10 needing to be disassembled and drawn on a unit 9 is placed on a supporting seat 1 through a supporting cylinder 7 and a first through hole, the unit positioning pin 10 is in threaded connection with an intermediate connecting piece 3, a screw 5 penetrates through a second through hole and is in threaded connection with the intermediate connecting piece 3, the screw 5 is fixed on a pressing plate 4 through a nut 6, and finally the pressing plate 4, the screw 5, the intermediate connecting piece 3 and the unit positioning pin 10 move upwards together through the operation of a hydraulic jack 2, so that the unit positioning pin 10 can be pulled out, and the one-time drawing operation is completed.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
the middle connecting piece 3 is arranged, so that the unit positioning pin 10 is fixedly connected with the screw 5, and the unit positioning pin 10 is pulled out through the operation of the hydraulic jack 2, the operation is simple, the pulling operation is quick and reliable, and the working efficiency of the pulling operation is improved; the supporting cylinder 7 is arranged, so that the contact surface between the supporting seat 1 and the unit 9 is reduced, the supporting seat 1 is kept in horizontal balance, and the smooth drawing operation is facilitated.
The above is only the preferred embodiment of the present invention, and not the patent protection scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings of the present invention can be directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (7)
1. A locating pin puller comprises a supporting seat, a hydraulic jack, an intermediate connecting piece, a pressing plate, a screw rod, a nut and a unit locating pin, and is characterized in that a first through hole is formed in the supporting seat, a supporting cylinder is arranged on the lower end face of the supporting seat, which faces the first through hole, the hydraulic jack is arranged on the supporting seat on two sides of the first through hole respectively, the pressing plate is arranged on the hydraulic jack, a second through hole is arranged on the pressing plate, which faces the first through hole, the unit locating pin and the screw rod penetrate through the first through hole and the second through hole respectively and are in threaded connection through the intermediate connecting piece, and the screw rod is fixed on the pressing plate through the nut.
2. The dowel puller of claim 1, wherein a support rod is welded between the support cylinder and the support block.
3. The positioning pin puller according to claim 1, wherein an internal thread is formed inside the middle connecting piece, and an external thread which is matched and connected with the internal thread is formed on the outer surfaces of the screw rod and one end of the unit positioning pin, which is close to the middle connecting piece.
4. The dowel puller of claim 1, wherein the first and second through holes are centrally located in the bearing block and the pressure plate, respectively.
5. The dowel puller of claim 1, wherein said backup shoe and said pressure plate are both hard metallic materials.
6. The dowel puller of claim 1, wherein the support cylinder has an inner diameter greater than an outer diameter of the block dowel.
7. The dowel puller of claim 1, wherein the outer diameter of the nut is greater than the inner diameter of the second through bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922350209.1U CN211992742U (en) | 2019-12-24 | 2019-12-24 | Positioning pin puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922350209.1U CN211992742U (en) | 2019-12-24 | 2019-12-24 | Positioning pin puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211992742U true CN211992742U (en) | 2020-11-24 |
Family
ID=73409048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922350209.1U Active CN211992742U (en) | 2019-12-24 | 2019-12-24 | Positioning pin puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211992742U (en) |
-
2019
- 2019-12-24 CN CN201922350209.1U patent/CN211992742U/en active Active
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