CN218082544U - Puller device - Google Patents
Puller device Download PDFInfo
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- CN218082544U CN218082544U CN202222610306.1U CN202222610306U CN218082544U CN 218082544 U CN218082544 U CN 218082544U CN 202222610306 U CN202222610306 U CN 202222610306U CN 218082544 U CN218082544 U CN 218082544U
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- pull
- threaded hole
- screw
- cross beam
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Abstract
The utility model discloses a puller device, which comprises a screw rod, a cross beam, pull rods, pull claws, a longitudinal fixing screw and a transverse fixing screw, wherein the screw rod is arranged on the cross beam through a screw hole on the cross beam; one end of each pull rod is provided with a square hole, the cross beam is inserted into the square hole of each pull rod, and the distance between the two pull rods is adjusted through movement of the cross beam in the square holes. The utility model discloses a draw horse device can adjust the pull rod interval and conveniently change and draw claw, safe and reliable.
Description
Technical Field
The utility model relates to a dismounting device field, concretely relates to draws horse device.
Background
In the process of maintaining and disassembling equipment, the two-jaw puller is a frequently-used tool, is mainly used for axially disassembling target components such as a bearing, a belt pulley, a gear and the like from a shaft and can be used as an internal puller or an external puller. At present, the tradition that equipment maintenance process used draws horse device draws the claw to belong to nonadjustable fixed form, and this type draws the horse to have the defect that application range is little, and under the narrow and small or improper condition of impetus in operating space, there is the problem that can't dismantle or damage by the piece of disassembling to seriously influence equipment maintenance efficiency and quality.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model discloses a puller device, which comprises a screw rod, a cross beam, pull rods, pull claws, a longitudinal fixing screw and a transverse fixing screw, wherein the screw rod is arranged on the cross beam through a screw hole on the cross beam;
a square hole is formed in one end of each pull rod, the cross beam is inserted into the square hole of each pull rod, and the distance between the two pull rods is adjusted through the movement of the cross beam in the square holes;
the other end of the pull rod is provided with an end threaded hole and a side threaded hole, the pull claw is provided with a bottom threaded hole and a side protruding threaded hole, and the pull claw is provided with a bottom threaded hole and a side protruding threaded hole
The longitudinal fixing screw is inserted into the end threaded hole and the bottom threaded hole, and the transverse fixing screw is inserted into the side threaded hole and the side protruding threaded hole;
the pull rod is characterized in that a side groove is formed in the side of the other end of the pull rod, a side threaded hole is formed in the side groove and penetrates through the side groove, a side protrusion is arranged on the side of the pull claw and penetrates through the side protrusion, a side protrusion threaded hole penetrates through the side protrusion, and the side protrusion is inserted into the side groove.
The threaded hole of crossbeam is located the center of crossbeam, two pull rods are relative the screw rod symmetry sets up.
The thickness of the middle part of the cross beam is larger than the thickness of the two ends of the cross beam.
The thickness of one end of the pull rod connected with the cross beam is larger than that of the other end of the pull rod.
And the cross section of the end part of the cross beam is rectangular along the direction of inserting the screw rod into the cross beam, and the long side of the rectangle of the cross section of the end part of the cross beam is parallel to the direction of inserting the screw rod into the cross beam.
The cross beam is inserted into the square hole along the direction, the cross section of the pull rod is rectangular, and the long edge of the rectangular cross section of the pull rod is perpendicular to the direction in which the cross beam is inserted into the square hole.
The longitudinal fixing screw and the transverse fixing screw are the same in type.
The longitudinal fixing screw is inserted into the end threaded hole of the pull rod along the bottom threaded hole of the pull claw.
The transverse fixing screw is inserted into the side threaded hole of the pull rod along the side protruding threaded hole of the pull claw.
The longitudinal fixing screw completely enters the bottom threaded hole, and a nut of the longitudinal fixing screw is positioned in the bottom threaded hole; the transverse fixing screw completely enters the side part convex threaded hole, a nut of the transverse fixing screw is located in the side part convex threaded hole, and the nut of the transverse fixing screw does not enter the side part convex.
The utility model provides a draw horse device possesses following advantage:
1. the pull claw can be suitable for different models and can be quickly replaced.
2. The distance between the pull rods is adjustable.
3. The lateral grooves of the pull rod are matched with the lateral protrusions of the pull claws, so that the firmness of the combination of the pull rod and the pull claws is improved, and the relative shaking between the pull rod and the pull claws is prevented; because the side part of the pull claw and the side part of the pull rod are the parts with the largest stress in the whole puller structure, the groove is matched with the protrusion, the binding force between the pull rod and the pull claw can be dispersed, the abrasion of a screw at a threaded hole is reduced, and the reliability and the durability of equipment are improved.
Description of the drawings:
in order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings used in the description of the embodiment will be briefly introduced below.
Fig. 1 is a schematic view of the overall structure of the puller device of the present invention.
Fig. 2 is a schematic view of the structure of the pull rod of the present invention.
Fig. 3 is a front view of the pulling claw structure of the present invention.
Fig. 4 is a top view of the pulling claw structure of the present invention.
Fig. 5 is a left side view of the structure of the puller of the present invention.
In the figure: 1 screw rod, 2 cross beams, 3 pull rods, 4 pull claws, 5 longitudinal fixing screws, 6 transverse fixing screws, 31 pull rod main bodies, 32 side grooves, 33 side threaded holes, 34 end threaded holes, 35 square holes, 41 pull claw side parts, 42 side protruding threaded holes, 43 bottom threaded holes, 44 pull claw bottoms, 45 grabbing parts and 46 side protrusions.
Detailed Description
The following will clearly and completely describe in conjunction with the technical solutions of the embodiments of the present invention;
as shown in fig. 1-5, in order to solve the problems in the prior art, the present invention discloses a puller device, which comprises a screw rod 1, a cross beam 2, a pull rod 3, a pull claw 4, a longitudinal fixing screw 5, and a transverse fixing screw 6, wherein the screw rod 1 is installed on the cross beam 2 through a screw hole on the cross beam 2, the puller device comprises two pull rods 3 and two pull claws 4, both of the pull rods 3 are detachably connected with the cross beam 2, one of the pull claws 4 is detachably connected with one end of one of the pull rods 3, and the other of the pull claws 4 is detachably connected with one end of the other pull rod 3;
a square hole 35 is formed in one end of each pull rod 3, the cross beam 2 is inserted into the square hole 35 of each pull rod 3, and the distance between the two pull rods 3 is adjusted through the movement of the cross beam 2 in the square hole 35;
the other end of the pull rod 3 is provided with an end threaded hole 34 and a side threaded hole 33, the pull claw 4 is provided with a bottom threaded hole 43 and a side protruding 46 threaded hole 42, and the pull claw is connected with the screw rod
The longitudinal fixing screw 5 is inserted into the end threaded hole 34 and the bottom threaded hole 43, and the transverse fixing screw 6 is inserted into the side threaded hole 33 and the side projection 46 threaded hole 42;
the side part of the other end of the pull rod 3 is provided with a side groove 32, the side threaded hole 33 is positioned in the side groove 32 and penetrates through the side groove 32, the side part of the pull claw 4 is provided with a side protrusion 46, the threaded hole 42 of the side protrusion 46 penetrates through the side protrusion 46, and the side protrusion 46 is inserted into the side groove 32.
The threaded hole of the cross beam 2 is located in the center of the cross beam 2, and the two pull rods 3 are symmetrically arranged relative to the screw rod 1.
The thickness of the middle part of the cross beam 2 is larger than the thickness of the two ends of the cross beam 2.
The thickness of one end of the pull rod 3 connected with the cross beam 2 is larger than that of the other end of the pull rod 3.
Along the direction that screw rod 1 inserts crossbeam 2, crossbeam 2 tip cross-section is the rectangle, the long limit of the rectangle of crossbeam 2 tip cross-section is on a parallel with screw rod 1 inserts the direction of crossbeam 2.
Follow crossbeam 2 inserts square hole 35 direction, the 3 cross-sections of pull rod are the rectangle, the long limit perpendicular to of the 3 cross-sectional rectangle of pull rod crossbeam 2 inserts square hole 35 direction.
The longitudinal fixing screws 5 are the same type as the transverse fixing screws 6.
The longitudinal fixing screw 5 is inserted into the end threaded hole 34 of the draw bar 3 along the bottom threaded hole 43 of the draw claw 4.
The transverse fixing screw 6 is inserted into the side threaded hole 33 of the pull rod 3 along the side projection 46 threaded hole 42 of the pull pawl 4.
The longitudinal fixing screw 5 completely enters the bottom threaded hole 43, and the nut of the longitudinal fixing screw 5 is positioned in the bottom threaded hole 43; the transverse fixing screw 6 is fully inserted into the threaded hole 42 of the lateral projection 46, and the nut of the transverse fixing screw 6 is located in the threaded hole 42 of the lateral projection 46, and the nut of the transverse fixing screw 6 is not inserted into the lateral projection 46.
The utility model provides a draw horse device possesses following advantage:
1. the pull claw 4 can be suitable for different models, and the pull claw 4 can be quickly replaced.
2. The distance between the pull rods 3 is adjustable.
3. The lateral groove 32 of the pull rod 3 is matched with the lateral bulge 46 of the pull claw 4, so that the firmness of the combination of the pull rod 3 and the pull claw 4 is improved, and the relative shaking between the pull rod 3 and the pull claw 4 is prevented; because the side part of the pull claw 4 and the side part of the pull rod 3 are the parts with the largest stress in the whole puller structure, and the groove is matched with the protrusion, the binding force between the pull rod and the pull claw can be dispersed, the abrasion of a screw at a threaded hole is reduced, and the reliability and the durability of equipment are improved.
Claims (10)
1. A puller device is characterized by comprising a screw, a cross beam, pull rods, pull claws, a longitudinal fixing screw and a transverse fixing screw, wherein the screw is installed on the cross beam through a screw hole in the cross beam;
a square hole is formed in one end of each pull rod, the cross beam is inserted into the square hole of each pull rod, and the distance between the two pull rods is adjusted through the movement of the cross beam in the square holes;
the other end of the pull rod is provided with an end threaded hole and a side threaded hole, the pull claw is provided with a bottom threaded hole and a side protruding threaded hole, the longitudinal fixing screw is inserted into the end threaded hole and the bottom threaded hole, and the transverse fixing screw is inserted into the side threaded hole and the side protruding threaded hole;
the pull rod comprises a pull claw and is characterized in that a side groove is formed in the side of the other end of the pull rod, a side threaded hole is formed in the side groove and penetrates through the side groove, a side protrusion is arranged on the side of the pull claw, a side protrusion threaded hole penetrates through the side protrusion, and the side protrusion is inserted into the side groove.
2. The puller device according to claim 1, wherein the threaded hole of the cross beam is located at the center of the cross beam, and the two pull rods are symmetrically arranged relative to the screw rod.
3. A puller device as set forth in claim 2 wherein said cross member has a central portion of greater thickness than said ends of said cross member.
4. A puller device as set forth in claim 3 wherein said tie rod has a greater thickness at one end thereof connected to said cross member than at the other end thereof.
5. A puller device as set forth in claim 4 wherein said cross-beam end section is rectangular in shape in the direction of insertion of said threaded rod into said cross-beam, the long sides of the rectangle of said cross-beam end section being parallel to the direction of insertion of said threaded rod into said cross-beam.
6. The puller device according to claim 5, wherein the cross section of the pull rod is rectangular along the direction of inserting the cross beam into the square hole, and the long side of the rectangular cross section of the pull rod is perpendicular to the direction of inserting the cross beam into the square hole.
7. A puller device as set forth in claim 6 wherein said longitudinal set screw is the same size as said transverse set screw.
8. A puller device as set forth in claim 7 wherein said longitudinal set screw is inserted into said threaded end bore of said pull rod along said threaded bottom bore of said pull jaw.
9. The puller device according to claim 8, wherein said transverse set screw is inserted into said side threaded bore of said pull rod along said side protruding threaded bore of said pull pawl.
10. The puller device according to claim 9, wherein said longitudinal set screw is fully received in said bottom threaded bore and a nut of said longitudinal set screw is received in said bottom threaded bore; the transverse fixing screw completely enters the side part convex threaded hole, a nut of the transverse fixing screw is located in the side part convex threaded hole, and the nut of the transverse fixing screw does not enter the side part convex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222610306.1U CN218082544U (en) | 2022-09-30 | 2022-09-30 | Puller device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222610306.1U CN218082544U (en) | 2022-09-30 | 2022-09-30 | Puller device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218082544U true CN218082544U (en) | 2022-12-20 |
Family
ID=84454757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222610306.1U Active CN218082544U (en) | 2022-09-30 | 2022-09-30 | Puller device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218082544U (en) |
-
2022
- 2022-09-30 CN CN202222610306.1U patent/CN218082544U/en active Active
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