CN214656043U - Quick disassembling equipment for tamping pick of tamping device and tamping device thereof - Google Patents
Quick disassembling equipment for tamping pick of tamping device and tamping device thereof Download PDFInfo
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- CN214656043U CN214656043U CN202022933512.7U CN202022933512U CN214656043U CN 214656043 U CN214656043 U CN 214656043U CN 202022933512 U CN202022933512 U CN 202022933512U CN 214656043 U CN214656043 U CN 214656043U
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- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000010720 hydraulic oil Substances 0.000 description 11
- 239000003921 oil Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- 238000000844 transformation Methods 0.000 description 1
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Abstract
The utility model provides a quick dismounting device for a tamping pick of a tamping device and the tamping device thereof, wherein a waist-shaped through hole communicated with a conical hole of a pick arm is arranged in the middle of the pick arm, and the waist-shaped through hole is positioned at the tail end of the conical hole of the pick arm of the tamping pick; the periphery of a waist-shaped through hole of the pick arm is provided with a base through a connecting block, and a driving mechanism is arranged on the base and pushes a wedge arranged in the base to enter the waist-shaped through hole; a component force vertical to the axis of the wedge is generated by the inclined plane of the insertion end of the wedge to push the tamping pick in the pick arm. The utility model discloses utilize hydro-cylinder liquid drive mode to dismantle the tamping pick, optimize traditional dismantlement mode, make full use of the structure of pick arm and the assembly relation between pick arm and tamping pick. The design scheme structure of this application is ingenious, can accomplish the dismantlement of tamping pick with the help of the hydro-cylinder alone, reduces intensity of labour by a wide margin, avoids simultaneously causing the risk of damage because of the tamping device assembly that strikes and arouses.
Description
Technical Field
The utility model relates to a quick dismounting device, especially a quick dismounting device of tamping unit taper shank carbide tamping pick and tamping unit thereof belong to construction preparation maintenance technical field.
Background
When the tamping device is constructed, the vibrating force is transmitted to the ballast through the tamping pick, the ballast is driven to vibrate to flow to the bottom of the sleeper, and the compactness of the ballast is improved, so that the stability of the track is enhanced. At present, the hard alloy tamping pickaxe is favored by various railway large machine construction units due to the durable service life. Due to the fact that the service life of the tamping pick is prolonged, the tamping pick taper shank has self-locking performance, the CDC-16 tamping device is used for frequently inserting the tamping pick downwards, the tamping pick taper shank and the tamping pick arm are matched to be more and more tight under the action of a reaction force, the conventional knocking operation mode basically cannot realize the dismounting and the replacement of the tamping pick, the time for replacing the tamping pick can be greatly prolonged even if the tamping pick is manually knocked to finish the dismounting, and the work efficiency is reduced. Particularly, when the pickaxe is broken, the pickaxe handle remained in the pickaxe arm hole cannot be taken out, and the broken pickaxe and the pickaxe arm can only be replaced together, so that unnecessary economic loss is caused.
Through retrieval, the Chinese patent application number is 201720901937.5, and a combined hydraulic pickaxe unloading device is disclosed, pickaxe unloading is carried out through a manual hydraulic cylinder 1 and a hydraulic cylinder 2 which are symmetrical, the mechanism is complex, the device is external equipment, a tamping device cannot be fully utilized to complete the disassembly of the pickaxe, and the popularization and the use are inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to the technical problem that above-mentioned provided, provide a quick dismantlement equipment for tamping device tamping pick and tamping device thereof, through the improvement to tamping device structure, not only can make things convenient for taking out of the disconnected pick handle of tamping pick, maneuverability is strong moreover, and the period of disassembling is short, and greatly reduced is because of the pick arm disability rate that disconnected pick arouses to reduce operator's intensity of labour.
The utility model provides a quick disassembling device for tamping tool tamping pick, which comprises a tamping pick arm, a driving mechanism, a base, a wedge and a tamping pick arranged in the tamping pick arm, wherein the middle part of the tamping pick arm is provided with a disassembling waist-shaped hole communicated with a conical hole of the tamping pick arm, and the disassembling waist-shaped hole is positioned at the tail end of the conical hole of the tamping pick arm;
the periphery of a disassembly waist-shaped hole of the pick arm is provided with a base through a connecting block, the driving mechanism is arranged on the base, and an inclined wedge arranged in the base is pushed to enter the disassembly waist-shaped hole; and a component force vertical to the axis of the wedge is generated by the inclined plane of the insertion end of the wedge to push the tamping pick in the pick arm.
In a further limited technical solution of the present invention, in the aforementioned quick disassembling apparatus for a tamping pick of a tamping device, the base has three concentric stepped through holes in a vertical direction; the three-step stepped through hole is sequentially provided with an internal thread hole, a cylindrical hole and a through waist-shaped through hole, the internal thread hole is connected with an external ring thread matched with the driving mechanism, and the waist-shaped through hole is matched with the shape of the wedge; the connecting end of the base and the pickaxe arm is provided with grooves matched with the connecting block, and the grooves are two rectangular grooves which are symmetrically distributed with the central line of the base. The groove and the connecting block are provided with pin holes and are fixedly connected through the positioning pins, and the pin holes with larger diameters on the connecting block are internally embedded with bushings with the inner diameters consistent with the diameters of the smaller pin holes, so that the diameters of the two positioning pins and the pin holes on the two sides of the base are consistent.
The quick dismounting device for the tamping pick of the tamping device is characterized in that the driving mechanism is a hydraulic oil cylinder, a high-pressure oil pipe joint is arranged on the hydraulic oil cylinder, a hydraulically driven piston rod is arranged at the bottom of the hydraulic oil cylinder, and outer ring threads are arranged at the bottom of the hydraulic oil cylinder and connected and fixed with the base.
According to the quick dismounting device for the tamping device tamping pick, the connecting blocks are symmetrically arranged and used for dismounting the lifting lugs on two sides of the waist-shaped hole, two pin holes with different sizes are respectively arranged on the two lifting lugs, and the bushing is embedded in the pin hole with the large size.
The quick dismounting device for the tamping device tamping pick comprises a wedge, a driving mechanism and a wedge, wherein the wedge is a cylinder with an oval cross section, an insertion end of the wedge is provided with an inclined surface structure, and the upper end surface of the wedge, which is in contact with the driving mechanism, is a plane.
According to the quick dismounting device for the tamping pick of the tamping device, the end part of the tamping pick inserted into the pick arm taper hole is of a flat square structure, and the locking stopper of the tamping pick in the pick arm taper hole is of a taper shank structure.
A tamping device for quickly disassembling a tamping pick is characterized in that the pick arm of the tamping device is provided with the quick disassembling equipment.
The utility model discloses beneficial effect is, the utility model discloses utilize hydro-cylinder liquid drive mode to dismantle the tamping pickaxe, optimize traditional dismantlement mode, make full use of the structure of pick arm and the assembly relation between pick arm and tamping pickaxe. The design scheme has the advantages that the structure is ingenious, the tamping pickaxe can be disassembled by one person through the oil cylinder, the labor intensity is greatly reduced, and meanwhile, the risk of damage to a tamping device assembly caused by knocking is avoided; the operability is enhanced, the replacement of the tamping pick or the removal of a broken pick handle can be efficiently and quickly completed on the tamping construction site, the disassembly period is shortened, and the method has important significance for ensuring the smooth implementation of the site construction plan; the pick handle of the broken pick can be quickly removed, the problem of scrapping of the pick arm caused by the fact that the pick handle cannot be removed is effectively avoided, the repair cost of the tamping device is saved, and the tamping device has good economic benefits.
Drawings
The present invention will be described in further detail with reference to the following embodiments, which are illustrated in the accompanying drawings.
FIG. 1 is a schematic perspective view of the structure of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the cylinder of FIG. 1;
FIG. 4 is a front view of the base of FIG. 1;
FIG. 5 is a schematic structural view of the locating pin of FIG. 1;
FIG. 6 is a schematic view of the bushing of FIG. 2;
FIG. 7 is a schematic view of the construction of the wedge of FIG. 2;
fig. 8 is a schematic structural view of the pick arm of fig. 2;
fig. 9 is a schematic structural view of the tamping pick of fig. 2.
Detailed Description
Example 1:
the embodiment provides a quick dismounting device for a tamping pick of a tamping device, which is structurally shown in fig. 1 to 9 and comprises a pick arm 7, a hydraulic oil cylinder 1, a base 2, a wedge 6 and a tamping pick 8 arranged in the pick arm 7, wherein the hydraulic oil cylinder is provided with a high-pressure oil pipe joint 1-1, the bottom of the hydraulic oil cylinder is provided with a hydraulically-driven piston rod 1-2, and the bottom of the hydraulic oil cylinder is provided with an outer ring thread 1-3 which is fixedly connected with the base 2; the wedge 6 is a column with an oval cross section, the insertion end of the wedge 6 is provided with an inclined plane 6-3 structure, and the upper end surface 6-1 of the wedge 6, which is contacted with the hydraulic oil cylinder 1, is a plane. The end part of the tamping pick 8 inserted in the pick arm taper hole 7-1 is of a flat square structure 8-1, and the locking stopper of the tamping pick 8 in the pick arm taper hole 7-1 is of a taper shank structure 8-2.
The middle part of the pick arm 7 is provided with a disassembly waist-shaped hole 7-3 communicated with the pick arm taper hole 7-1, and the disassembly waist-shaped hole 7-3 is positioned at the tail end of the tamping pick 8 at the pick arm taper hole 7-1; the periphery of a disassembly waist-shaped hole 7-3 of the pick arm 7 is provided with the base 2 through a connecting block 7-6, the hydraulic oil cylinder 1 is arranged on the base 2, and the wedge 6 arranged in the base 2 is pushed to enter the disassembly waist-shaped hole 7-3; the tamping pick 8 in the pick arm 7 is pushed by a component force perpendicular to the wedge axis generated by the insertion end inclined surface 6-3 of the wedge 6.
The base 2 of the embodiment is provided with three concentric step through holes in the vertical direction; the three-step stepped through hole is sequentially provided with an internal thread hole 2-1, a cylindrical hole 2-2 and a through waist-shaped through hole 2-3, the internal thread hole 2-1 is connected with an external ring thread 1-3 matched with the hydraulic oil cylinder, and the waist-shaped through hole 2-3 is matched with the wedge 6 in shape; the connecting end of the base 2 and the pickaxe arm 7 is provided with a groove matched with the connecting block 7-6, the groove and the connecting block are provided with pin holes and are fixedly connected through a positioning pin, and the groove is two rectangular grooves which are symmetrically distributed with the central line of the base 2. The connecting blocks 7-6 are symmetrically arranged on the two sides of the detachable kidney-shaped hole 7-3, two pin holes with different sizes are respectively arranged on the two lifting lugs, and the bushing 5 is embedded in the pin hole with the large size, so that the diameters of the two positioning pins 3 and 4 and the pin holes 2-7 on the two sides of the base are consistent in pairs. The first grade of third grade ladder through-hole is the screw hole, with hydro-cylinder outer loop screw-thread fit, realizes being connected of hydro-cylinder and base, and the second grade is the cylinder hole for hold the piston rod that stretches out during the operation, and the third grade is waist type through-hole, with the slide wedge cooperation, has improved the stability when axial displacement after slide wedge 6 inserts.
Example 2:
the embodiment provides a tamping device for quickly disassembling a tamping pick, which comprises a pick arm of the tamping device, and the quick disassembling equipment is installed on the pick arm of the tamping device.
In the embodiment, the disassembly process of the hard alloy tamping pick of the CDC-16 tamping device is as follows:
before disassembly, the tamping pick 8 taper shank 8-2 is locked in the pick arm taper hole 7-1 of the pick arm 7. Firstly, inserting a wedge 6 into a disassembly waist-shaped hole 7-3 of a pickaxe arm 7, wherein the inclined surface 6-3 of the wedge 6 props against the end surface of a flat square 8-1 of a tamping pickaxe 8; secondly, the bushing 5 is placed into a larger pin hole 7-4 of the pickaxe arm 7; then, aligning the waist-shaped through hole 2-3 of the base 2 with the wedge 6, ensuring that the lifting lug rib beam where the two pin holes 7-2 and 7-4 of the connecting block 7-6 on the pickaxe arm 7 are positioned is placed in the two rectangular grooves 2-4 and 2-5 of the base 2, and flatly attaching the lower end surface 2-6 of the base 2 to the upper end surface 7-5 of the pickaxe arm 7. At the moment, a round through hole 2-7 is arranged in the direction vertical to the rectangular groove and aligned with the two pin holes 7-2 and 7-4 of the connecting block 7-6 on the pickaxe arm 7, and the two positioning pins 3 and 4 are inserted, so that the end surfaces 3-1 and 4-1 of the positioning pins 3 and 4 respectively abut against the wedge 6. As shown in figure 7, the middle cylinder plane 6-2 of the wedge 6 is abutted against the detachable kidney-shaped hole 7-3 and the kidney-shaped through hole 2-3 of the base 2 to realize limiting, the overturning prevention is mainly realized by the fact that the lower end face of the base is attached to the upper end face of the pickaxe arm, and the wedge 6 is basically not stressed and is only guided through the kidney-shaped through hole 2-3 on the base 2. Then, screwing the outer ring thread 1-3 at the bottom of the oil cylinder 1 into the inner thread hole 2-1 of the base 2; and finally, connecting the high-pressure pipe joint 1-1 of the oil cylinder 1 with a hydraulic pump, providing a driving force through hydraulic pressure, enabling the piston rod 1-2 of the oil cylinder 1 to extend out of the cylinder body to prop against the upper end surface 6-1 of the wedge 6, and pushing the wedge 6 to move along the waist-shaped through hole 2-3 of the base 2 and the dismounting waist-shaped hole 7-3 of the pickaxe arm 7. At the moment, the inclined wedge 6 provides a component force to the tamping pick 8 along the axial direction of the taper shank 8-2, so that the tamping pick 8 is separated from the taper hole 7-1 of the pick arm 7, and the disassembly of the tamping pick 8 is completed.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (9)
1. The utility model provides a quick disassembling equipment for tamping unit tamping pick, includes pick arm (7), actuating mechanism (1), base (2), slide wedge (6) and sets up tamping pick (8) in pick arm (7), its characterized in that:
the middle part of the pick arm (7) is provided with a disassembly waist-shaped hole (7-3) communicated with a pick arm taper hole (7-1), and the disassembly waist-shaped hole (7-3) is positioned at the tail end of the tamping pick (8) at the pick arm taper hole (7-1);
the periphery of a dismounting waist-shaped hole (7-3) of the pick arm (7) is provided with a base (2) through a connecting block (7-6), the driving mechanism (1) is arranged on the base (2) and pushes a wedge (6) arranged in the base (2) to enter the dismounting waist-shaped hole (7-3); and a component force vertical to the axis of the wedge is generated by the inclined plane of the insertion end of the wedge (6) to push the tamping pickaxe (8) in the pickaxe arm (7).
2. The quick dismantling device for the tamping pick of a tamping unit according to claim 1, characterized in that said base (2) has three concentric stepped through holes in vertical direction; the three-gear stepped through hole is sequentially provided with an internal threaded hole (2-1), a cylindrical hole (2-2) and a through waist-shaped through hole (2-3), the internal threaded hole (2-1) is connected with an external annular thread (1-3) matched with the driving mechanism, and the waist-shaped through hole (2-3) is matched with the wedge (6) in shape; the connecting end of the base (2) and the pickaxe arm (7) is provided with a groove matched with the connecting block (7-6), and the groove and the connecting block are provided with pin holes and are fixedly connected through a positioning pin.
3. The quick disassembling equipment for the tamping pick of the tamping device according to claim 2, wherein the driving mechanism is a hydraulic cylinder, the hydraulic cylinder is provided with a high-pressure oil pipe joint (1-1), the bottom of the hydraulic cylinder is provided with a hydraulically driven piston rod (1-2), and the bottom of the hydraulic cylinder is provided with an external ring thread (1-3) which is fixedly connected with the base (2).
4. A quick-release apparatus for a tamping tool, as claimed in claim 2, wherein said connecting block has a pin hole in which a bushing (5) is inserted.
5. The quick dismantling device for a tamping tool, according to claim 4, characterized in that said connecting block (7-6) is a pair of lifting lugs symmetrically disposed on both sides of said dismantling kidney-shaped hole (7-3), and two pin holes of different sizes are respectively disposed on said two lifting lugs, and said bushing (5) is embedded in the pin hole of large size.
6. The quick disassembling equipment for the tamping pick of the tamping device according to claim 1, wherein the wedge (6) is a cylinder with an oval cross section, the inserting end of the wedge (6) is provided with a bevel (6-3) structure, and the upper end surface (6-1) of the wedge (6) contacting with the driving mechanism (1) is a plane.
7. The quick disassembling equipment for the tamping pick of the tamping device according to claim 1, wherein the end of the tamping pick (8) inserted into the pick arm taper hole (7-1) is of a flat square structure (8-1), and the locking stopper of the tamping pick (8) in the pick arm taper hole (7-1) is of a taper shank structure (8-2).
8. The quick disassembling equipment for the tamping pick of the tamping device according to claim 2, wherein the two grooves are rectangular grooves symmetrically distributed with respect to the center line of the base (2).
9. A tamping unit for rapid disassembly of a tamping pick, characterized in that a quick-disassembly apparatus according to any of claims 1 to 8 is mounted on the pick arm (7) of the tamping unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022933512.7U CN214656043U (en) | 2020-12-08 | 2020-12-08 | Quick disassembling equipment for tamping pick of tamping device and tamping device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022933512.7U CN214656043U (en) | 2020-12-08 | 2020-12-08 | Quick disassembling equipment for tamping pick of tamping device and tamping device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN214656043U true CN214656043U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022933512.7U Active CN214656043U (en) | 2020-12-08 | 2020-12-08 | Quick disassembling equipment for tamping pick of tamping device and tamping device thereof |
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| Country | Link |
|---|---|
| CN (1) | CN214656043U (en) |
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2020
- 2020-12-08 CN CN202022933512.7U patent/CN214656043U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213011 No.99, Wuyi Road, Changzhou City, Jiangsu Province Patentee after: Changzhou CRRC Ruitai Equipment Technology Co.,Ltd. Country or region after: China Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: 213011 No.99, Wuyi Road, Changzhou City, Jiangsu Province Patentee before: Changzhou Ruitai Construction Machinery Co.,Ltd. Country or region before: China Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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| CP03 | Change of name, title or address |