CN213419613U - Bushing type wear-resistant stop pin - Google Patents
Bushing type wear-resistant stop pin Download PDFInfo
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- CN213419613U CN213419613U CN202022381430.6U CN202022381430U CN213419613U CN 213419613 U CN213419613 U CN 213419613U CN 202022381430 U CN202022381430 U CN 202022381430U CN 213419613 U CN213419613 U CN 213419613U
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Abstract
The utility model discloses a wear-resisting backing pin of bushing type, including pin, steel sleeve, round pin lid, seal ring and first bolt hole, the steel sleeve has been cup jointed to the outer wall of pin, steel sleeve is cylinder hollow structure, two sets of seal ring have been cup jointed to the both ends outer wall of pin, and is two sets of seal ring butt respectively in the both ends nozzle of steel sleeve outer wall, the external screw thread has all been seted up to the both ends pole head outer wall of pin, the both ends of pin are equipped with two sets of round pin lids, and are two sets of the both ends pole head outer wall that the round pin lid was cup jointed in the pin is threaded respectively, first bolt hole has all been seted up to the both ends nozzle outer wall of steel sleeve, and is two sets of the round hole has all been seted up to the outer wall of seal ring, and is two sets of the second. This inlay wear-resisting backing pin of cover formula, the quick assembly disassembly and the replacement of part of being convenient for have improved the wearability when practicing thrift the cost, and the suitability is strong.
Description
Technical Field
The utility model belongs to the technical field of the quartering hammer accessory, concretely relates to wear-resisting backing pin of bushing type.
Background
The hydraulic breaking hammer is a mechanical equipment using hydrostatic pressure as power to drive a piston to reciprocate, the piston impacts a drill rod at high speed during stroke, the drill rod breaks ore or concrete, a stop pin is a fastening piece used in the hydraulic breaking hammer and is mainly used for fixing the drill rod, and the stop pin is classified into a flat pin and a round pin.
Because vibrations and friction are brought in the long-term work of the drill rod of hydraulic breaking hammer for its life greatly reduced of present backing pin, secondly, when hydraulic breaking hammer work, the backing pin receives that the hitting power of drill rod can last to take place to strike with the pinhole, and this surface that has just led to the backing pin is worn and torn seriously, needs often to change, therefore develops a set formula wear-resisting backing pin, becomes the technical problem who waits to solve urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wear-resisting backing pin of bushing type to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the sleeve-embedded type wear-resistant stop pin comprises a pin rod, a steel sleeve, pin covers, sealing washers and a first bolt hole, wherein the steel sleeve is sleeved on the outer wall of the pin rod, the steel sleeve is of a cylindrical hollow structure, two groups of sealing washers are sleeved on the outer walls of two ends of the pin rod, the two groups of sealing washers are respectively abutted against the outer walls of cylinder mouths at two ends of the steel sleeve, external threads are respectively arranged on the outer walls of rod heads at two ends of the pin rod, the two groups of pin covers are arranged at two ends of the pin rod, and the two groups of pin covers are respectively in threaded sleeve connection with the outer walls of the rod heads;
first bolt holes are formed in the outer walls of the cylinder openings at the two ends of the steel sleeve, circular holes are formed in the outer walls of the sealing washers, a second threaded hole is formed in one side of the circular outer wall of the pin cover in a penetrating mode, the second threaded hole is internally provided with a positioning rod in a threaded connection mode, and the screw ends of the positioning rods are arranged in the two first bolt holes of the outer walls of the cylinder openings at the two ends of the steel sleeve in a penetrating mode respectively.
Preferably, the arc-shaped outer wall of the pin rod is welded with a limiting block, the arc-shaped inner wall of the steel sleeve is provided with a limiting groove, and the limiting block on the arc-shaped outer wall of the pin rod is inserted into the groove opening of the limiting groove on the arc-shaped inner wall of the steel sleeve.
Preferably, two groups of second bolt holes are formed in the circular outer walls of the two ends of the pin rod.
Preferably, the outer wall of the inner ring opening of each group of sealing gaskets is provided with a rubber ring.
Preferably, four groups of oval grooves are arranged on the outer wall of the opening of one end of the steel sleeve in an annular array.
The utility model discloses a technological effect and advantage: according to the bushing type wear-resistant stop pin, the steel sleeve sleeved on the outer wall of the pin rod can be used as a protective sleeve, so that the surface of the pin rod is prevented from being worn, the service life of the pin rod is prolonged, and the pin rod can be independently taken down for replacement when the surface of the steel sleeve is damaged, so that the pin rod can be repeatedly used, and the cost is greatly saved; the round pin lid at round pin pole both ends can protect the round pin pole both ends, prevents that the round pin pole both ends from receiving wearing and tearing, and the round pin lid still can prevent the round pin pole both ends simultaneously and warp, has avoided the impaired problem that leads to unable steel sleeve of taking off in round pin pole both ends, reasonable in design, convenient to use.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic structural view of the pin rod, the pin cover and the sealing washer of the present invention;
fig. 3 is a schematic structural view of the pin rod and the steel sleeve of the present invention.
In the figure: 1 pin rod, 2 steel sleeves, 3 round cap, 4 seal ring, 5 first bolt holes, 6 round holes, 7 second screw holes, 8 locating rods, 9 external threads, 10 limiting blocks, 11 limiting grooves, 12 second bolt holes, 13 rubber rings and 14 grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a bushing type wear-resisting stop pin as shown in figures 1-3, including pin 1, steel sleeve 2, round pin lid 3, seal ring 4 and first bolt hole 5, the outer wall of pin 1 has cup jointed steel sleeve 2, steel sleeve 2 is the cylinder hollow structure, the both ends outer wall of pin 1 has cup jointed two sets of seal ring 4, two sets of seal ring 4 respectively the butt in the both ends cylinder mouth outer wall of steel sleeve 2, the both ends pole head outer wall of pin 1 has all seted up external screw thread 9, the both ends of pin 1 are equipped with two sets of round pin lids 3, two sets of round pin lid 3 is respectively the screw thread cup joint in the both ends pole head outer wall of pin 1;
Specifically, the arc outer wall welding of pin pole 1 has stopper 10, spacing groove 11 has been seted up to steel sleeve 2's arc inner wall, the stopper 10 of 1 arc outer wall of pin pole is pegged graft in the notch of 2 arc inner wall of steel sleeve 11, and 1 arc outer wall of pin pole is provided with stopper 10 and can prevents that steel sleeve 2 from rotating around the outer wall of pin pole 1, avoids 1 outer wall of pin pole to receive the friction and causes the damage.
Specifically, two sets of second bolt holes 12 have been seted up to the circular outer wall in both ends of pin pole 1, when the steel sleeve 2 of the circular outer wall in pin pole 1 outer wall was taken off to needs, can with a set of screw rod threaded connection in the arbitrary a set of second bolt hole 12 of the circular outer wall in pin pole 1 both ends, borrow the power through dragging the screw rod and take out pin pole 1 in the steel sleeve 2, make steel sleeve 2 and pin pole 1 separate.
Specifically, the outer wall of the inner ring opening of each group of sealing gaskets 4 is provided with a rubber ring 13, and the rubber ring 13 on the outer wall of the inner ring opening of each group of sealing gaskets 4 is respectively inserted into the inner wall of the cover opening of each group of pin covers 3, so that the sealing performance between the pin covers 3 and the rod heads of the pin rods 1 is improved.
Specifically, four groups of oval grooves 14 are arranged on the outer wall of the opening of one end of the steel sleeve 2 in an annular array mode, when the outer wall of the steel sleeve 2 deforms, tools such as sticks raising can be abutted to the grooves 14 on the outer wall of the opening of the steel sleeve 2, the steel sleeve 2 is taken down from the outer wall of the pin rod 1 through awl hammering, and the sticks raising are prevented from damaging the outer wall of the opening of the steel sleeve 2 to cause scratches or deformation, so that the sealing performance is prevented from being reduced.
Working principle, during the use, cup joint steel sleeve 2 at the outer wall of pin pole 1, then cup joint two sets of seal ring 4 respectively at the both ends of pin pole 1, secondly with two sets of pin lid 3 threaded connection at the both ends of pin pole 1, insert two sets of first bolt holes 5 of 3 outer walls of two sets of pin lids respectively with two sets of locating levers 8 at last, rotatory two sets of locating levers 8 of screwing up again, make respective screw rod end run through respectively and arrange in two sets of first bolt holes 5 of 2 both ends cylinder mouths outer walls of steel sleeve, accomplish the equipment promptly, steel sleeve 2 that the outer wall of pin pole 1 cup jointed can be done the lag and use, avoid 1 surface of pin pole to receive wearing and tearing, increase the life of pin pole 1, can take off alone when steel sleeve 2 surface is impaired simultaneously and replace, make pin pole 1 repeatedly usable, great saving the cost. The round pin lid 3 at round pin pole both ends can protect 1 both ends of round pin pole, prevents that 1 both ends of round pin pole from receiving wearing and tearing, and round pin lid 3 still can prevent 1 both ends of round pin pole and warp simultaneously, has avoided the impaired problem that leads to unable steel sleeve 2 of taking off in 1 both ends of round pin pole, reasonable in design, convenient to use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a wear-resisting backing pin of bushing type, includes pin pole (1), steel sleeve (2), round pin lid (3), seal ring (4) and first bolt hole (5), its characterized in that: the outer wall of the pin rod (1) is sleeved with a steel sleeve (2), the steel sleeve (2) is of a cylindrical hollow structure, two groups of sealing washers (4) are sleeved on the outer walls of two ends of the pin rod (1), the two groups of sealing washers (4) are respectively abutted against the outer walls of cylinder openings at two ends of the steel sleeve (2), external threads (9) are respectively arranged on the outer walls of rod heads at two ends of the pin rod (1), two groups of pin covers (3) are arranged at two ends of the pin rod (1), and the two groups of pin covers (3) are respectively sleeved on the outer walls of the rod heads at two ends of the pin rod (1) in a threaded manner;
first bolt hole (5) have all been seted up to the both ends nozzle of a barrel outer wall of steel sleeve (2), and are two sets of round hole (6) have all been seted up to the outer wall of seal ring (4), and are two sets of one side of the circular outer wall of round pin lid (3) all runs through and has seted up second screw hole (7), and is two sets of equal threaded connection has locating lever (8) in second screw hole (7), and is two sets of the screw rod end of locating lever (8) runs through respectively and arranges in two sets of first bolt hole (5) of steel sleeve (2) both ends nozzle of a barrel outer wall.
2. The bushing-type wear stop pin of claim 1, wherein: the limiting block (10) is welded on the arc-shaped outer wall of the pin rod (1), the limiting groove (11) is formed in the arc-shaped inner wall of the steel sleeve (2), and the limiting block (10) on the arc-shaped outer wall of the pin rod (1) is inserted into a notch of the limiting groove (11) on the arc-shaped inner wall of the steel sleeve (2).
3. The bushing-type wear stop pin of claim 1, wherein: two groups of second bolt holes (12) are formed in the circular outer walls of the two ends of the pin rod (1).
4. The bushing-type wear stop pin of claim 1, wherein: and the outer wall of the inner ring opening of each group of sealing gaskets (4) is provided with a rubber ring (13).
5. The bushing-type wear stop pin of claim 1, wherein: four groups of oval grooves (14) are arranged on the outer wall of a cylinder opening at one end of the steel sleeve (2) in an annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022381430.6U CN213419613U (en) | 2020-10-23 | 2020-10-23 | Bushing type wear-resistant stop pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022381430.6U CN213419613U (en) | 2020-10-23 | 2020-10-23 | Bushing type wear-resistant stop pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213419613U true CN213419613U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022381430.6U Active CN213419613U (en) | 2020-10-23 | 2020-10-23 | Bushing type wear-resistant stop pin |
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| CN (1) | CN213419613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114540798A (en) * | 2022-03-03 | 2022-05-27 | 江西汉可泛半导体技术有限公司 | Anti-falling device for silicon wafer coating |
-
2020
- 2020-10-23 CN CN202022381430.6U patent/CN213419613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114540798A (en) * | 2022-03-03 | 2022-05-27 | 江西汉可泛半导体技术有限公司 | Anti-falling device for silicon wafer coating |
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