CN212683043U - Pin inserting and pulling device and engineering machinery - Google Patents
Pin inserting and pulling device and engineering machinery Download PDFInfo
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- CN212683043U CN212683043U CN202021541068.8U CN202021541068U CN212683043U CN 212683043 U CN212683043 U CN 212683043U CN 202021541068 U CN202021541068 U CN 202021541068U CN 212683043 U CN212683043 U CN 212683043U
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Abstract
The utility model provides a plug pin device and engineering machine tool relates to engineering machine tool technical field. The pin inserting and pulling device comprises a telescopic piece and a pin pulling rod, and the pin pulling rod is connected with the telescopic piece in a length-adjustable mode. The engineering machinery is provided with the plug pin device, the connecting length of the plug pin rod and the telescopic piece is adjusted, so that the plug pin device is suitable for pin shafts with different lengths, and the plug pin device can perform plug pin operation on the pin shafts with different lengths.
Description
Technical Field
The utility model relates to an engineering machine tool technical field especially relates to a plug pin device and engineering machine tool.
Background
In construction machines, pins are often used to connect larger components. For example, with the continuous progress of crane technology, the tonnage is also getting larger and larger, and in order to meet the driving requirement, the main arm and other parts are convenient to disassemble and assemble, and usually the parts are connected through a pin shaft.
The installation positions of some parts are higher, the installation positions of corresponding pin shafts are also higher, when the pin shafts are assembled and disassembled manually, operators often need to be conveyed to a high place by some lifting tools for pin inserting and pulling operation, and the operators can operate the pins greatly at the high place, so that the danger of the operators in high-altitude operation and the labor intensity of the operators are greatly increased. In the prior art, a pin pulling device and other tools are generally adopted to assemble and disassemble the pin shaft, particularly when the pin shaft is disassembled, one piece of pin pulling device is generally arranged on one piece of engineering machinery, and the length of the pin pulling bracket is configured according to the length of the pin shaft of the arm section and the width of the cross section of the arm section. The length of the pin shaft and the width of the section of the arm section of one engineering machine are various, so that a plurality of pin pulling brackets with different sizes are required, and the operation is complicated; or the pin pulling device with different specifications and types needs to be added, which causes the cost to be increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an insert pin device and engineering machine tool to solve among the prior art one pull pin device and can not satisfy the problem of the different length round pin axle dismouting of an engineering machine tool.
In order to solve the technical problem, the utility model also provides an insertion and extraction pin device is applied to engineering machine tool, including the extensible member and pull out the pin pole, pull out the pin pole adjustable length ground with the extensible member links to each other.
As a further improvement of the above technical solution:
in the above pin inserting and pulling device, the telescopic member further comprises a piston rod and a cylinder, and the pin pulling rod is connected with the piston rod in a length-adjustable manner.
In the above pin inserting and pulling device, the pin pulling rod is connected with the piston rod in a threaded fit manner.
The pin inserting and pulling device further comprises a pin shaft, wherein the pin pulling rod is provided with a plurality of first adjusting holes, the piston rod is of a tubular structure, the piston rod is provided with second adjusting holes, the pin pulling rod is inserted into the piston rod, and the pin shaft sequentially penetrates through the second adjusting holes and the different first adjusting holes so as to realize that the pin pulling rod is connected with the piston rod in a length-adjustable manner.
In the above pin inserting and pulling device, the pin inserting and pulling device further comprises a pin pulling support, and the end of the cylinder is connected with the pin pulling support.
The pin inserting and pulling device further comprises a supporting plate, and the pin pulling rod is supported and placed on the supporting plate.
The pin inserting and pulling device further comprises a connecting piece, one end of the connecting piece is connected with the pin pulling rod, and the other end of the connecting piece is used for being connected with the inserted pin.
The pin plugging and unplugging device is characterized in that the connecting piece comprises a limiting groove and a limiting piece, one end of the limiting piece is limited and fixed in the limiting groove, the limiting groove is connected with the pin plugging and unplugging rod, and the other end of the limiting piece is used for being connected with the plugged pin.
In order to achieve the above object, the utility model also provides an engineering machine, include:
the above-described plug pin device; and
the plug pin device is arranged on the machine body.
As a further improvement of the above technical solution:
in the above engineering machine, the telescopic member is further connected to a power unit of the engineering machine.
The utility model has the advantages that:
the utility model provides a pair of plug pin device and engineering machine tool, engineering machine tool install foretell plug pin device, and plug pin device includes the extensible member and pulls out the pin pole, pulls out the pin pole and links to each other with the extensible member with adjustable length ground. For the pin shafts with different lengths, the connecting length of the pin pulling rod and the telescopic piece only needs to be adjusted, so that the pin inserting and pulling device is suitable for the pin shafts with different lengths, the pin inserting and pulling operation can be carried out on the pin shafts with different lengths by the pin inserting and pulling device, the pin shafts with different lengths are prevented from needing the pin inserting and pulling devices with different specifications, and the purposes of multiple purposes and cost saving are achieved.
To sum up, the utility model discloses a plug pin device and engineering machine tool, it has above-mentioned a great deal of advantage and practical value to do not see in like product that there is similar method openly to publish or use and surely belong to the innovation, produced well-used and practical effect, had the multinomial efficiency of promoting than current technique, thereby comparatively be suitable for the practicality, and have extensive industrial value.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a pin insertion and extraction device according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a pin insertion and extraction device according to an embodiment of the present invention;
FIG. 3 shows an enlarged view of area A of FIG. 2;
fig. 4 is a schematic structural view of a plug pin device according to another embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a pin insertion and extraction device according to another embodiment of the present invention;
fig. 6 shows an enlarged view of the region B in fig. 5.
Description of the main element symbols:
100-a telescoping member; 110-a piston rod; 111-a second adjustment aperture; 120-a cylinder barrel; 121-ear plate
200-pulling the pin rod; 210-a first adjustment aperture;
300-a pin shaft;
400-a pin pulling bracket; 410-hanging hook;
500-a support plate;
600-a connector; 610-a limiting groove; 620-stop.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Example one
Referring to fig. 1, the present embodiment provides a pin plugging and unplugging device, which is applied to an engineering machine, so that the pin plugging and unplugging device is suitable for pins with different lengths, and the pin plugging and unplugging device can perform pin plugging and unplugging operations on the pins with different lengths. The pin inserting and pulling device provided by the present embodiment includes a telescopic member 100 and a pin pulling rod 200.
Specifically, one end of the pin pulling rod 200 is connected with the telescopic part 100 in a length-adjustable manner, the other end of the pin pulling rod 200 is connected with the pin shaft required to be plugged and unplugged, and the pin shaft required to be plugged and unplugged is conveniently plugged and unplugged by adapting the pin shaft required to be plugged and unplugged by adjusting the length of the one end of the pin pulling rod 200 connected with the telescopic part 100.
In some specific embodiments, the pin pulling rod 200 is cylindrical, the pin pulling rod 200 is made of steel, the telescopic member 100 is made of a first-stage telescopic hydraulic cylinder, the first-stage telescopic hydraulic cylinder includes a piston rod 110 and a cylinder barrel 120, the pin pulling rod 200 is connected to the piston rod 110 in an adjustable length manner, and the first-stage telescopic hydraulic cylinder performs plugging and unplugging operations on a pin shaft to be plugged and unplugged through the pin pulling rod 200, so that the plugging and unplugging of the pin shaft to be plugged and unplugged is completed.
Of course, it is understood that the pin puller rod 200 may also be other shapes, such as a prism, etc.; the pin pulling rod 200 may also be made of other materials, such as iron; the telescopic member 100 may also be a telescopic member with other structures, such as a telescopic cylinder, a linear motor, etc.; the pin pulling rod 200 may also be connected to the cylinder 120 with an adjustable length. The pin pulling rod 200 is cylindrical, the pin pulling rod 200 is made of steel, the telescopic piece 100 is made of a primary telescopic hydraulic oil cylinder, the primary telescopic hydraulic oil cylinder comprises a piston rod 110 and a cylinder barrel 120, and the pin pulling rod 200 is connected with the piston rod 110 in a length-adjustable manner, which is only a preferred technical scheme provided by the embodiment and does not cause unnecessary limitation on the protection range of the technical scheme of the application, and the pin pulling rods 200 in other shapes; pin levers 200 of other materials; other configurations of the telescoping member 100; it is within the scope of the present application for the deadbolt lever 200 to be adjustably connected in length to the cylinder barrel 120.
When the pin inserting and pulling device is used, the connecting length of the telescopic piece 100 and the pin pulling rod 200 is adjusted according to the length of a pin shaft required to be inserted and pulled, so that the pin inserting and pulling device is suitable for the pin shaft required to be inserted and pulled, the other end of the pin pulling rod 200 is fixedly connected with the end face of the pin shaft required to be inserted and pulled, the telescopic piece 100 is driven to stretch, and the pin shaft required to be inserted and pulled is inserted and pulled.
Example two
Referring to fig. 1 to 3, the present embodiment provides a pin plugging and unplugging device, which is applied to an engineering machine, so that the pin plugging and unplugging device is adapted to pins with different lengths, and the pin plugging and unplugging device can perform pin plugging and unplugging operations on the pins with different lengths. The improvement of some structures on the basis of the plug pin device provided by the first embodiment is specifically as follows compared with the plug pin device provided by the first embodiment:
in this embodiment, an external thread is disposed at one end of the pin pulling rod 200, an internal thread is disposed at the end of the piston rod 110, and the external thread is matched with the internal thread; or, one end of the pin pulling rod 200 is provided with an internal thread, the end of the piston rod 110 is provided with an external thread, and the internal thread is matched with the external thread.
The pin inserting and pulling device further comprises a pin pulling support 400, a support plate 500 and a connecting piece 600, wherein the pin pulling support 400 and the support plate 500 are fixedly arranged on the engineering machinery, the end part of the cylinder barrel 120 is connected with the pin pulling support 400, and the pin pulling rod 200 is supported and placed on the support plate 500. The connecting member 600 includes a limiting groove 610 and a limiting member 620, one end of the limiting member 620 is fixed in the limiting groove 610 in a limiting manner, the limiting groove 610 is connected to the pin pulling rod 200, and the other end of the limiting member 620 is used for connecting to a pin to be plugged.
In some specific embodiments, the pin pulling bracket 400 and the support plate 500 are welded and fixed to the engineering machine, the pin pulling bracket 400 is provided with a hook 410, the end portion of the cylinder barrel 120 is provided with a pair of ear plates 121, and a pin shaft is arranged between the ear plates 121, when in use, the pin shaft at the end portion of the cylinder barrel 120 is hung on the hook 410 of the pin pulling bracket 400, and the pin pulling rod 200 is supported and placed on the support plate 500. The limiting groove 610 of the connecting piece 600 is welded at the end of the pin pulling rod 200, the limiting piece 620 is a bolt, the nut of the bolt is clamped in the limiting groove 610 of the connecting piece 600, and the screw rod of the bolt is in threaded connection with the end face of the pin shaft to be plugged.
Of course, it is understood that the pin pulling bracket 400 and the supporting plate 500 may also be fixedly installed on the engineering machine in other forms, such as bolt fixing, etc.; the pin pulling bracket 400 can also be fixedly installed with the end of the cylinder barrel 120 in other forms; the end of the pin pulling rod 200 may also be connected to a pin shaft that is to be plugged or unplugged in other ways. The pin pulling bracket 400 and the support plate 500 are welded and fixed on the engineering machinery; the pin pulling support 400 is provided with a hook 410, the end part of the cylinder barrel 120 is provided with a pair of ear plates 121, and a pin shaft is arranged between the ear plates 121; the limit groove 610 of the connecting member 600 is welded at the end of the pin pulling rod 200, the limit member 620 is a bolt, the nut of the bolt is clamped in the limit groove 610 of the connecting member 600, and the screw rod of the bolt is in threaded connection with the end surface of the pin shaft to be plugged and unplugged, which is only a preferred technical scheme provided by the embodiment and does not cause unnecessary limitation to the protection range of the technical scheme of the present application, and the pin pulling bracket 400 and the support plate 500 are fixedly installed on the engineering machinery in other forms; a pin pulling bracket 400 fixedly installed with the end of the cylinder 120 in other forms; the pin pulling rod 200 connected with the pin shaft to be pulled and pulled in other forms is within the protection scope of the present application.
EXAMPLE III
Referring to fig. 4 to 6, the present embodiment provides a pin inserting and pulling device, which is applied to engineering machinery, so that the pin inserting and pulling device is suitable for pins with different lengths, and the pin inserting and pulling device can perform pin inserting and pulling operations on the pins with different lengths. On the basis of the plug pin device provided by the first embodiment or the second embodiment, some structural improvements are specifically as follows, compared with the plug pin device provided by the first embodiment or the second embodiment:
in this embodiment, the pin inserting and pulling device further includes a pin shaft 300, the pin pulling rod 200 is provided with a plurality of first adjusting holes 210, the piston rod 110 is of a tubular structure, the piston rod 110 is provided with a second adjusting hole 111, the pin pulling rod 200 is inserted into the piston rod 110, and the pin shaft 300 sequentially passes through the second adjusting hole 111 and the different first adjusting holes 210, so as to realize that the pin pulling rod 200 is connected with the piston rod 110 in a length-adjustable manner.
In some embodiments, the pin-pulling rod 200 is provided with 5 first adjusting holes 210 at 5mm intervals, the pin-pulling rod 200 is of a cylindrical structure, the piston rod 110 is of a circular tube structure, and the pin-pulling rod 200 is matched with the piston rod 110.
Of course, it is understood that other numbers of first adjustment holes 210 may be provided at other intervals on the pin-pulling lever 200; the pin puller rod 200 may also be of other configurations, e.g. rectangular parallelepiped, etc., and correspondingly, the piston rod 110 is provided as a corresponding square tubular configuration. The pin pulling rod 200 is provided with 5 first adjusting holes 210 at intervals of 5mm, the pin pulling rod 200 is of a cylindrical structure, the piston rod 110 is of a circular tubular structure, but the prior technical scheme provided by the embodiment is only a preferred technical scheme, and the protection range of the technical scheme of the application is not unnecessarily limited, and the pin pulling rod 200 is provided with other first adjusting holes 210 at other intervals; other configurations of the pin puller rod 200; other configurations of the piston rod 110 are within the scope of the present application.
Example four
The present embodiment provides a construction machine, and the construction machine is equipped with the plug pin device provided in the first embodiment, the second embodiment, or the third embodiment.
Specifically, the pin pulling bracket 400 and the support plate 500 of the pin inserting and pulling device provided in the first, second, or third embodiment are fixedly mounted on the engineering machine, and the telescopic member 100 is connected to a power device of the engineering machine.
During the use, the end of the cylinder 120 of the extensible member 100 is connected with the pin pulling support 400, the pin pulling rod 200 is connected with the piston rod 110 of the extensible member 100, the connection length between the pin pulling rod 200 and the piston rod 110 is adjusted according to the length of the pin shaft to be pulled out, the pin pulling rod 200 is supported and placed on the support plate 500, one end of the limiting member 620 is fixedly connected with the pin shaft to be pulled out, the other end of the limiting member 620 is clamped in the limiting groove 610 fixedly installed on the pin pulling rod 200, the extensible member 100 is connected with the power device of the engineering machinery, the power device of the engineering machinery is started, so that the extensible member 100 is extended, and the pin shaft to be pulled out and inserted is plugged.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The pin inserting and pulling device is characterized by being applied to engineering machinery and comprising a telescopic piece and a pin pulling rod, wherein the pin pulling rod is connected with the telescopic piece in a length-adjustable mode.
2. The bayonet device of claim 1, wherein said telescoping member includes a piston rod and a cylinder, said bayonet rod being adjustably connected to said piston rod.
3. The bayonet device of claim 2, wherein said bayonet rod is threadedly engaged with said piston rod.
4. The pin inserting and pulling device according to claim 2, further comprising a pin shaft, wherein the pin pulling rod is provided with a plurality of first adjusting holes, the piston rod is of a tubular structure, the piston rod is provided with a second adjusting hole, the pin pulling rod is inserted into the piston rod, and the pin shaft sequentially penetrates through the second adjusting holes and the different first adjusting holes so as to realize that the pin pulling rod is connected with the piston rod in a length-adjustable manner.
5. The apparatus of claim 2, further comprising a pin puller bracket, the end of the cylinder being connected to the pin puller bracket.
6. The bayonet device of claim 2, further comprising a support plate on which said bayonet rod is supported.
7. The deadbolt assembly of claim 1, further comprising a connector member, one end of the connector member being coupled to the deadbolt lever and the other end of the connector member being adapted to couple to the inserted pin.
8. The apparatus according to claim 7, wherein the connecting member comprises a limiting groove and a limiting member, one end of the limiting member is fixed in the limiting groove in a limiting manner, the limiting groove is connected with the pin pulling rod, and the other end of the limiting member is used for connecting with the inserted pin.
9. A work machine, comprising:
the plug pin device of any one of claims 1-8; and
the plug pin device is arranged on the machine body.
10. The work machine of claim 9, wherein the telescoping member is coupled to a power plant of the work machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541068.8U CN212683043U (en) | 2020-07-30 | 2020-07-30 | Pin inserting and pulling device and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541068.8U CN212683043U (en) | 2020-07-30 | 2020-07-30 | Pin inserting and pulling device and engineering machinery |
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| Publication Number | Publication Date |
|---|---|
| CN212683043U true CN212683043U (en) | 2021-03-12 |
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| CN202021541068.8U Active CN212683043U (en) | 2020-07-30 | 2020-07-30 | Pin inserting and pulling device and engineering machinery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997048A (en) * | 2021-11-19 | 2022-02-01 | 徐州建机工程机械有限公司 | Pin shaft installation device suitable for small space and use method |
| CN114799827A (en) * | 2022-05-30 | 2022-07-29 | 徐州徐工矿业机械有限公司 | Hydraulic pin shaft dismounting system, hydraulic pin shaft hinging system, hydraulic pin shaft dismounting method and engineering machinery |
| CN115030034A (en) * | 2022-03-18 | 2022-09-09 | 四川省交通建设集团股份有限公司 | Bolt device suitable for bridge girder erection machine landing leg |
-
2020
- 2020-07-30 CN CN202021541068.8U patent/CN212683043U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997048A (en) * | 2021-11-19 | 2022-02-01 | 徐州建机工程机械有限公司 | Pin shaft installation device suitable for small space and use method |
| CN115030034A (en) * | 2022-03-18 | 2022-09-09 | 四川省交通建设集团股份有限公司 | Bolt device suitable for bridge girder erection machine landing leg |
| CN114799827A (en) * | 2022-05-30 | 2022-07-29 | 徐州徐工矿业机械有限公司 | Hydraulic pin shaft dismounting system, hydraulic pin shaft hinging system, hydraulic pin shaft dismounting method and engineering machinery |
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