CN210757505U - Pin puller of bridge girder erection machine - Google Patents
Pin puller of bridge girder erection machine Download PDFInfo
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- CN210757505U CN210757505U CN201921630848.7U CN201921630848U CN210757505U CN 210757505 U CN210757505 U CN 210757505U CN 201921630848 U CN201921630848 U CN 201921630848U CN 210757505 U CN210757505 U CN 210757505U
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- blind rivet
- pin shaft
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Abstract
The utility model discloses a pin puller of a bridge girder erection machine, which comprises a pin shaft and a pin pulling mechanism, wherein the pin shaft is fixedly arranged inside a flat plate, and a blind rivet is arranged inside one end of the pin shaft; the utility model discloses to sell axle and blind rivet and pass through screw thread fixed connection, then through the flexible length of holding of hydraulic pump adjustment pneumatic cylinder, remove the first backup pad of support along dull and stereotyped side, until blind rivet bottle opener and blind rivet cooperation joint, then pass first through-hole and second screw hole threaded connection through first bolt and fix first backup pad in the dull and stereotyped outside, at this moment, drive the pneumatic cylinder shrink through hydraulic pump work, be about to sell axle and blind rivet whole and extract from dull and stereotyped inside, by hydraulic pressure station as power, hydraulic cylinder is as the actuator, the pulling force of production reaches 15 tons, can wide application in bridge girder erection machine, the crane, in the maintenance operation of large-scale equipment such as railway, and overall operation is simple, the wide application in the actual operation of being convenient for.
Description
Technical Field
The utility model relates to a bridge girder erection machine auxiliary assembly field specifically is a pin puller of bridge girder erection machine.
Background
The pin shaft is a standardized fastener, can be fixedly connected statically, can also move relative to a connected piece, is mainly used at the hinged part of two parts to form hinged connection, is usually locked by a cotter pin, and has reliable work and convenient disassembly; and the pin puller is mainly applied to pulling out the pin shaft.
The size of a pin shaft of the existing bridge girder erection machine is often very large, and various problems exist in the use process, such as corrosion of the pin shaft and the pin shaft hole after long-time use; the pin shaft hole is deformed and meshed with the pin shaft, and the pin shaft is difficult to disassemble and assemble by using simple tools such as a sledge hammer, a crow bar and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pin puller of a bridge girder erection machine, which aims to overcome the defects that the size of a pin shaft of the existing bridge girder erection machine is often very large, and various problems exist in the use process, such as corrosion with the pin shaft hole after long-time use; the pin shaft hole is deformed and meshed with the pin shaft, and the problems lead to the technical problem that the pin shaft is extremely difficult to disassemble and assemble by using simple tools such as a sledge hammer, a crowbar and the like.
The purpose of the utility model can be realized by the following technical scheme:
a pin puller of a bridge girder erection machine comprises a pin shaft and a pin pulling mechanism, wherein the pin shaft is fixedly arranged in a flat plate, and a blind rivet is arranged in one end of the pin shaft;
the pin pulling mechanism is installed in the dull and stereotyped outside, the pin pulling mechanism includes support, blind rivet bottle opener and pneumatic cylinder, support one end is installed at dull and stereotyped surface, and is located the round pin axle outside, the pneumatic cylinder is installed to the support other end, the blind rivet bottle opener is installed to the flexible end of pneumatic cylinder.
As a further aspect of the present invention: the first threaded hole is formed in the center of the outer end of the pin shaft, the outer side of one end of the blind rivet is provided with an external thread, and the pin shaft is fixedly connected with the blind rivet through threads.
As a further aspect of the present invention: the support includes first backup pad, connecting rod and second backup pad, and first backup pad is the U template, and the second backup pad shape is triangle-shaped, the second backup pad passes through three connecting rod fixed connection with first backup pad, and three connecting rods become triangular distribution.
As a further aspect of the present invention: a plurality of second threaded holes are formed in the outer side of the flat plate and located around the pin shaft, first through holes are formed in the outer side of the first supporting plate, and the first bolt penetrates through the first through holes to be in threaded connection with the second threaded holes to fix the first supporting plate on the outer side of the flat plate.
As a further aspect of the present invention: the outer side of one end of the hydraulic cylinder is provided with a connecting ring, the outer side of the connecting ring and the outer side of the second supporting plate are correspondingly provided with second through holes, and the connecting ring and the second supporting plate penetrate through the second through holes through bolts to be fixedly connected with the nuts through threads.
As a further aspect of the present invention: and the two ends of the outer side of the hydraulic cylinder are respectively provided with an oil inlet and an oil outlet, and the oil inlet and the oil outlet are respectively in conduction connection with the hydraulic pump.
As a further aspect of the present invention: the blind rivet driver is connected with the blind rivet in a matching way.
The utility model has the advantages that: the utility model has reasonable structural design, the pin shaft and the blind rivet are fixedly connected through screw threads, then the length of the telescopic end of the hydraulic cylinder is adjusted through the hydraulic pump, the first supporting plate of the bracket is moved along the side surface of the flat plate until the blind rivet driver and the blind rivet are matched and clamped, then the first supporting plate is fixed outside the flat plate through the threaded connection of the first bolt passing through the first through hole and the second threaded hole, at the moment, the hydraulic cylinder is driven to shrink through the work of the hydraulic pump, namely the pin shaft and the blind rivet are integrally pulled out from the interior of the flat plate, when the bolt is inserted, the blind rivet driver is clamped in the groove of the blind rivet, the bracket is fixed on the flat plate, the pin shaft can be inserted after the hydraulic cylinder is ejected out, the hydraulic station is used as power, the hydraulic cylinder is used as an actuator, the generated pulling force reaches 15 tons, the hydraulic cylinder, is convenient for wide application in practical operation.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an explosion diagram of the structure of the present invention.
In the figure: 1. a pin shaft; 2. pulling nails; 3. a support; 4. a pulling and driving tool; 5. a hydraulic cylinder; 6. a nut; 7. a bolt; 8. and (4) flat plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, a pin puller of a bridge girder erection machine comprises a pin shaft 1 and a pin pulling mechanism, wherein the pin shaft 1 is fixedly arranged inside a flat plate 8, and a blind rivet 2 is arranged inside one end of the pin shaft 1;
the pin pulling mechanism is installed in 8 outsides of dull and stereotyped, and pin pulling mechanism includes support 3, blind rivet bottle opener 4 and pneumatic cylinder 5, and 3 one ends of support are installed at 8 surfaces of dull and stereotyped, and are located the 1 outsides of round pin axle, and pneumatic cylinder 5 is installed to the 3 other ends of support, and blind rivet bottle opener 4 is installed to the flexible end of pneumatic cylinder 5.
A first threaded hole is formed in the center of the outer end of the pin shaft 1, an external thread is formed in the outer side of one end of the blind rivet 2, the pin shaft 1 and the blind rivet 2 are fixedly connected through threads, and the pin shaft 1 and the blind rivet 2 are fixedly connected conveniently.
Dull and stereotyped 8 outsides and lie in round pin axle 1 and seted up a plurality of second screw hole all around, first through-hole has been seted up in the first backup pad outside, and first bolt passes first through-hole and second screw hole threaded connection and fixes first backup pad in dull and stereotyped 8 outsides, is convenient for install support 3 in dull and stereotyped 8 outsides through first backup pad.
The connecting ring is arranged on the outer side of one end of the hydraulic cylinder 5, the second through hole is correspondingly formed in the outer side of the connecting ring and the outer side of the second supporting plate, the connecting ring and the second supporting plate penetrate through the second through hole through the bolt 7 and are fixedly connected with the nut 6 in a threaded mode, and the hydraulic cylinder 5 is convenient to install and fix on the outer side of the second supporting plate of the support 3.
The two ends of the outer side of the hydraulic cylinder 5 are respectively provided with an oil inlet and an oil outlet, the oil inlet and the oil outlet are respectively in conduction connection with the hydraulic pump, power is provided for the hydraulic cylinder 5 through the hydraulic pump, and normal stretching of the hydraulic cylinder 5 is guaranteed.
The blind rivet driver 4 is connected with the blind rivet 2 in a matching way, so that the blind rivet driver 4 is matched with the blind rivet 2 in a clamping way, and the operation and the use are convenient.
The utility model discloses a theory of operation: during the pin pulling, at first the length of the flexible end of hydraulic pump adjustment pneumatic cylinder 5, remove the first backup pad of support 3 along dull and stereotyped 8 sides, until blind rivet bottle opener 4 and blind rivet 2 cooperation joints, then pass first through-hole and second screw hole threaded connection through first bolt and fix first backup pad in dull and stereotyped 8 outsides, at this moment, drive pneumatic cylinder 5 shrink through hydraulic pump work, be about to sell axle 1 and blind rivet 2 whole from dull and stereotyped 8 inside extraction, during the bolt, 4 cards of blind rivet bottle opener in the recess of blind rivet 2, support 3 fixes on dull and stereotyped 8, pneumatic cylinder 5 is ejecting can insert round pin axle 1.
The utility model has reasonable structural design, the pin shaft 1 and the blind rivet 2 are fixedly connected through screw threads, then the length of the telescopic end of the hydraulic cylinder 5 is adjusted through the hydraulic pump, the first supporting plate of the bracket 3 is moved along the side surface of the flat plate 8 until the blind rivet driver 4 and the blind rivet 2 are matched and clamped, then the first supporting plate is fixed outside the flat plate 8 through the threaded connection of the first bolt passing through the first through hole and the second threaded hole, at the moment, the hydraulic cylinder 5 is driven to shrink through the hydraulic pump work, namely the pin shaft 1 and the blind rivet 2 are integrally pulled out from the interior of the flat plate 8, when the bolt is inserted, the blind rivet driver 4 is clamped in the groove of the blind rivet 2, the bracket 3 is fixed on the flat plate 8, the pin shaft 1 can be inserted after the hydraulic cylinder 5 is ejected out, the hydraulic cylinder is used as power, the hydraulic cylinder is used as an actuator, the generated pulling force reaches 15 tons, and the whole operation is simple, and the method is convenient for wide application in practical operation.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The pin puller of the bridge girder erection machine is characterized by comprising a pin shaft (1) and a pin pulling mechanism, wherein the pin shaft (1) is fixedly arranged inside a flat plate (8), and a blind rivet (2) is arranged inside one end of the pin shaft (1);
the pin pulling mechanism is installed in dull and stereotyped (8) outside, the pin pulling mechanism includes support (3), blind rivet bottle opener (4) and pneumatic cylinder (5), support (3) one end is installed at dull and stereotyped (8) surface, and is located round pin axle (1) outside, pneumatic cylinder (5) are installed to the support (3) other end, blind rivet bottle opener (4) are installed to the flexible end of pneumatic cylinder (5).
2. The pin puller of the bridge girder erection machine according to claim 1, wherein a first threaded hole is formed in the center of the outer end of the pin shaft (1), an external thread is formed on the outer side of one end of the blind rivet (2), and the pin shaft (1) and the blind rivet (2) are fixedly connected through the threads.
3. The pin puller of the bridge girder erection machine according to claim 1, wherein the support (3) comprises a first support plate, a connecting rod and a second support plate, the first support plate is a U-shaped plate, the second support plate is triangular, the second support plate is fixedly connected with the first support plate through three connecting rods, and the three connecting rods are triangularly distributed.
4. The pin puller of the bridge girder erection machine according to claim 1, wherein a plurality of second threaded holes are formed in the outer side of the plate (8) and around the pin shaft (1), a first through hole is formed in the outer side of the first support plate, and the first bolt penetrates through the first through hole and is in threaded connection with the second threaded holes to fix the first support plate to the outer side of the plate (8).
5. The pin puller of the bridge erecting machine according to claim 1, wherein a connecting ring is arranged on the outer side of one end of the hydraulic cylinder (5), second through holes are correspondingly formed on the outer side of the connecting ring and the outer side of the second support plate, and the connecting ring and the second support plate are fixedly connected with a nut (6) through a bolt (7) penetrating through the second through hole.
6. The pin puller of the bridge girder erection machine according to claim 1, wherein an oil inlet and an oil outlet are respectively arranged at two ends of the outer side of the hydraulic cylinder (5), and the oil inlet and the oil outlet are respectively connected with a hydraulic pump in a conduction manner.
7. A pin puller of a bridge erecting machine according to claim 1, wherein said pull nail driver (4) and pull nail (2) are in mating connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921630848.7U CN210757505U (en) | 2019-09-27 | 2019-09-27 | Pin puller of bridge girder erection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921630848.7U CN210757505U (en) | 2019-09-27 | 2019-09-27 | Pin puller of bridge girder erection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210757505U true CN210757505U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921630848.7U Active CN210757505U (en) | 2019-09-27 | 2019-09-27 | Pin puller of bridge girder erection machine |
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| Country | Link |
|---|---|
| CN (1) | CN210757505U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580059A (en) * | 2021-06-18 | 2021-11-02 | 江苏徐工工程机械研究院有限公司 | Rapid pin shaft dismounting mechanism, dismounting tool and dismounting method |
| CN115488619A (en) * | 2022-10-13 | 2022-12-20 | 山东科技大学 | Novel hydraulic support round pin axle automatic positioning dismouting mechanism |
-
2019
- 2019-09-27 CN CN201921630848.7U patent/CN210757505U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580059A (en) * | 2021-06-18 | 2021-11-02 | 江苏徐工工程机械研究院有限公司 | Rapid pin shaft dismounting mechanism, dismounting tool and dismounting method |
| CN113580059B (en) * | 2021-06-18 | 2023-10-03 | 江苏徐工工程机械研究院有限公司 | Quick assembly and disassembly pin shaft mechanism, assembly and disassembly tool and assembly and disassembly method |
| CN115488619A (en) * | 2022-10-13 | 2022-12-20 | 山东科技大学 | Novel hydraulic support round pin axle automatic positioning dismouting mechanism |
| CN115488619B (en) * | 2022-10-13 | 2023-08-15 | 山东科技大学 | Novel automatic positioning, dismounting and mounting mechanism for hydraulic support pin shaft |
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