CN216428386U - Lower cylinder body structure for breaking hammer and breaking hammer - Google Patents
Lower cylinder body structure for breaking hammer and breaking hammer Download PDFInfo
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- CN216428386U CN216428386U CN202220708146.1U CN202220708146U CN216428386U CN 216428386 U CN216428386 U CN 216428386U CN 202220708146 U CN202220708146 U CN 202220708146U CN 216428386 U CN216428386 U CN 216428386U
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- lug plate
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Abstract
The utility model discloses a lower cylinder structure and quartering hammer for the lower cylinder structure of quartering hammer includes: the lower cylinder barrel comprises a through hole which is arranged in the middle of the lower cylinder barrel and is used for accommodating the drill rod; the lower lug plate structure is detachably connected to the lower cylinder barrel and comprises a connecting structure and a first sub lug plate and a second sub lug plate which are arranged oppositely, and the connecting structure is detachably connected with the first sub lug plate and the second sub lug plate so that the first sub lug plate and the second sub lug plate can be wrapped from the outer side and tightly clamped to the lower cylinder barrel. The utility model discloses a lower cylinder structure welding volume for quartering hammer is few, easily assembles.
Description
Technical Field
The utility model relates to a broken operation instrument field, in particular to lower cylinder structure and quartering hammer for quartering hammer.
Background
The breaking hammer is an important construction tool, plays an increasingly important role in the mining process of mines at present, can be divided into an upper cylinder body, a middle cylinder body, a lower cylinder body and a hydraulic control system thereof according to the structure, and the lower cylinder body bears the largest force in the actual working process and is an important part thereof. At present, the structure of cylinder body adopts the welding form under the prior art to the quartering hammer usually, and traditional welded structure form exists that the welding volume is big, welding quality is relatively poor, production and processing cycle is long, the dismouting is inconvenient scheduling problem in actual welding process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a welding volume is few, the easy lower cylinder structure that is used for the quartering hammer of assembly and the quartering hammer of applied this lower cylinder structure.
The utility model discloses a first aspect discloses a lower cylinder structure for quartering hammer, include:
the lower cylinder barrel comprises a through hole which is arranged in the middle of the lower cylinder barrel and is used for accommodating the drill rod;
the lower lug plate structure is detachably connected to the lower cylinder barrel and comprises a connecting structure and a first sub lug plate and a second sub lug plate which are arranged oppositely, and the connecting structure is detachably connected with the first sub lug plate and the second sub lug plate so that the first sub lug plate and the second sub lug plate can be wrapped from the outer side and tightly clamped to the lower cylinder barrel.
In some embodiments, the first sub lug plate includes a first connection portion and a second connection portion located at opposite sides of the lower cylinder, and the second sub lug plate includes a third connection portion connected to the first connection portion and a fourth connection portion connected to the second connection portion.
In some embodiments, the connection structure includes a U-shaped plate and a first connection bolt, the first connection portion and the third connection portion are located in a U-shaped groove of the U-shaped plate, and the first connection bolt penetrates through the U-shaped plate, the first connection portion and the third connection portion to fixedly connect the first connection portion and the third connection portion.
In some embodiments, the second connection portion includes a first boss protruding toward the fourth connection portion, the fourth connection portion includes a second boss protruding toward the second connection portion and contacting the first boss, and the connection structure includes a second connection bolt fixedly connecting the second connection portion and the fourth connection portion.
In some embodiments, an arc-shaped groove is formed in the outer surface of the lower cylinder barrel, and the first sub lug plate and the second sub lug plate are respectively provided with a first arc-shaped surface and a second arc-shaped surface which are matched with the arc-shaped groove.
In some embodiments, the demolition hammer comprises an upper cylinder housing a hammer block for hammering a drill rod, one end of the lower cylinder housing being adapted for fixed connection with one end of the upper cylinder, the lower lug structure being adapted for fixed connection of an outer surface of the lower cylinder housing with the upper cylinder.
In some embodiments, the breaking hammer is configured to be mounted on a working arm of a working machine, and the lower ear plate structure is provided with a fixed connection portion configured to be fixedly connected with the working arm of the working machine.
The utility model discloses a quartering hammer is disclosed in the second aspect, including arbitrary a lower cylinder structure for the quartering hammer.
In some embodiments, the drill bit further comprises an upper cylinder for accommodating a hammer block for hammering a drill rod, one end of the lower cylinder is fixedly connected with one end of the upper cylinder, and the lower lug plate structure is fixedly connected between the outer surface of the lower cylinder and the outer surface of the upper cylinder.
In some embodiments, the hydraulic cylinder further comprises a piston cylinder, a piston rod of the piston cylinder is fixedly connected with the hammer block, one end of the upper cylinder body is connected with the lower cylinder barrel through a threaded structure, the upper cylinder body comprises an upper cylinder body and a middle cylinder body located between the upper cylinder body and the lower cylinder barrel, a control valve used for controlling the piston rod of the piston cylinder to stretch and retract is accommodated in the upper cylinder body, and the hammer block is arranged in the middle cylinder body.
Based on the utility model provides a lower cylinder structure for quartering hammer, through setting up the first sub-otic placode of mutual disposition and the sub-otic placode of second and can dismantle the connection structure who connects first sub-otic placode and the sub-otic placode of second, through making first sub-otic placode and the sub-otic placode parcel of second press from both sides tight lower cylinder, can make and realize conveniently between first sub-otic placode and the sub-otic placode of second and the lower cylinder, can dismantle the connection reliably, the welding volume of lower cylinder structure has been reduced, be convenient for realize the dismouting maintenance of lower cylinder structure etc..
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a breaking hammer of the prior art of the inventor;
fig. 2 is a schematic structural diagram of a lower cylinder structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a lower cylinder of the lower cylinder structure shown in FIG. 2;
FIG. 4 is a schematic view of a second sub-lug of the lower cylinder block structure shown in FIG. 2;
fig. 5 is a structural view showing a part of the structure of the coupling structure of the lower cylinder structure shown in fig. 2.
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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1, the breaking hammer of the prior art known to the inventor comprises an upper cylinder 13 and a lower cylinder 4 connected to the lower end of the upper cylinder 13, wherein the lower cylinder 4 comprises a lower cylinder 41, and one end of a lower lug plate structure 42 is welded and fixed on the lower cylinder 41. One end of the drill rod 5 is arranged in the lower cylinder 41, an actuating mechanism for hammering the drill rod 5 is arranged in the upper cylinder 13, and the actuating mechanism comprises a hammer block for hammering the drill rod, a piston cylinder for controlling the movement of the hammer block and a control valve 2 for controlling the action of the piston cylinder. The lower lug plate structure 42 of the breaking hammer is welded and fixed with the lower cylinder 41, and the lower lug plate structure is not convenient to replace and maintain.
The orientations of "up", "down", "upper", "lower", "above", "below", "upper" and "lower" in this application are all with reference to the orientation of the hammer when operating in the direction of gravity, as shown in fig. 1, with the hammer in a generally vertical orientation with the drill rod 5 at the lower end of the upper barrel 13.
As shown in fig. 2 to 5, the lower cylinder structure for a breaking hammer of the present embodiment includes a lower cylinder 41 and a lower lug structure 42.
The lower cylinder 41 is provided at its middle with a through hole in which one end of the drill rod 5 is accommodated.
The lower ear plate structure 42 is detachably connected to the lower cylinder 41, and the lower ear plate structure 42 includes a connecting structure and a first sub-ear plate 421 and a second sub-ear plate 422 arranged oppositely. The connecting structure detachably connects the first sub ear plate 421 and the second sub ear plate 422 so that the first sub ear plate 421 and the second sub ear plate 422 wrap around and clamp the lower cylinder 41 from the outside of the lower cylinder 41. First sub-otic placode 421 and second sub-otic placode 422 mutually support and form a accommodation space who holds lower cylinder 41, and first sub-otic placode 421 and second sub-otic placode 422 are wrapped up and are pressed from both sides tight lower cylinder 41 from the outside of lower cylinder 41, help improving the joint strength of lower otic placode structure and lower cylinder 41, make the shock resistance of lower otic placode structure higher.
The lower cylinder structure for quartering hammer of this embodiment, through setting up the relative arrangement first sub-otic placode 421 and the sub-otic placode 422 of second and can dismantle the connection structure who connects first sub-otic placode 421 and the sub-otic placode 422 of second, through making first sub-otic placode 421 and the sub-otic placode 422 parcel of second press from both sides cylinder 41 down, can make and realize conveniently between first sub-otic placode 421 and the sub-otic placode 422 of second and the lower cylinder 41, can dismantle the connection reliably, the welding volume of lower cylinder structure has been reduced, be convenient for realize lower cylinder structure's dismouting maintenance etc..
In some embodiments, as shown in fig. 2 and 4, the first sub ear plate 421 includes a first connection portion 4211 and a second connection portion 4212 located at opposite sides of the lower cylinder 41, and the second sub ear plate 422 includes a third connection portion 4221 connected to the first connection portion 4211 and a fourth connection portion 4222 connected to the second connection portion 4212. The first coupling portion 4211 and the third coupling portion 4221 are coupled, and the second coupling portion 4212 and the fourth coupling portion 4222 are coupled, so that a space for accommodating the lower cylinder 41 is formed between the first coupling portion 4211, the second coupling portion 4212, the third coupling portion 4221 and the fourth coupling portion 4222, and thus the lower cylinder 41 can be stably and reliably wrapped and clamped.
In some embodiments, as shown in fig. 2 and 5, the connection structure includes a U-shaped plate 431 and a first connection bolt 432, the first connection portion 4211 and the third connection portion 4221 are located in a U-shaped groove of the U-shaped plate 431, and the first connection bolt 432 passes through the U-shaped plate 431, the first connection portion 4211 and the third connection portion 4221 to fixedly connect the first connection portion 4211 and the third connection portion 4221. As shown in fig. 5, the U-shaped plate 431 includes a first flap 4311 and a second flap 4312 at two sides, the first flap 4311 and the second flap 4312 are respectively provided with a connecting hole, and when connecting, the first connecting bolt 432 passes through the connecting hole of the first flap 4311, the first connecting portion 4211, the third connecting portion 4221 and the through hole of the second flap 4312 to fixedly connect the first connecting portion 4211 and the third connecting portion 4221. When fixedly coupled, the first flap 4311 and the second flap 4312 have a certain elasticity and are elastically deformed in a direction approaching each other by a small amount.
In some embodiments, as shown in fig. 2 and 4, the second coupling part 4212 includes a first boss protruding toward the fourth coupling part 4222, the fourth coupling part 4222 includes a second boss protruding toward the second coupling part 4212 and contacting the first boss, and the coupling structure includes a second coupling bolt 433 fixedly coupling the second coupling part 4212 and the fourth coupling part 4222. When in connection, the second connecting bolt passes through the first boss and the second boss so as to fixedly connect the first boss and the second boss. This arrangement can maintain a suitable interval between the first sub-ear plate 421 and the second sub-ear plate 422, and contributes to an improvement in the connection strength between the second connection portion 4212 and the fourth connection portion 4222 by connecting the first boss and the second boss in contact with each other.
In some embodiments, as shown in fig. 3, the outer surface of the lower cylinder 41 is provided with an arc-shaped slot 411, and the first sub-lug 421 and the second sub-lug 422 are respectively provided with a first arc-shaped surface and a second arc-shaped surface which are matched with the arc-shaped slot 411. This arrangement helps to better conform the first and second sub-lug plates 421 and 422 to the lower cylinder 41, making the connection of the lug plate structure to the lower cylinder 41 more efficient and reliable.
In some embodiments, the demolition hammer comprises an upper cylinder 13 housing a hammer block for hammering a drill rod, one end of a lower cylinder 41 for fixed connection with one end of the upper cylinder 13, and a lower lug structure 42 for fixed connection of an outer surface of the lower cylinder 41 with the upper cylinder 13. The lower ear plate structure can directly fixedly connect the outer surface of the lower cylinder 41 and the outer surface of the upper cylinder 13 at two ends, and in some embodiments, referring to fig. 1, by providing the upper ear plate structure 31 on the upper cylinder 13, the lower ear plate structure 42 can be detachably connected with the upper ear plate structure 31, and indirectly, the fixed connection with the upper cylinder 13 is realized. The breaking hammer with the structure is applied, the outer surface of the lower cylinder 41 is fixedly connected with the upper cylinder 13 through the lower lug plate structure, the breaking hammer can work normally, when a hammer block hammer drills a drill rod, impact force can be divided through the lower lug plate structure, the impact force received by a connecting device (for example, an upper flange 412 is arranged on the lower cylinder 41, the connecting device comprises a bolt structure for connecting the lower flange of the upper cylinder 13 and the upper flange 412 of the lower cylinder 41) of the upper cylinder 13 and the lower cylinder 41 can be reduced, the connection of the upper cylinder 13 and the lower cylinder 41 is more stable and reliable, and the breaking hammer works more safely and effectively.
In some embodiments, as shown in fig. 2, the lower ear plate structure 42 is provided with a fixing connection portion 423 for fixedly connecting with a working arm of the construction machine. This setting is when installing the quartering hammer to the work arm through fixed connection portion 423, and when the quartering hammer normally worked, when the hammer block hammer drill rod, the impact force can be shunted to the work arm through fixed connection portion 423, further reduces the impact force that the connecting device of upper barrel 13 and lower cylinder 41 received.
Also disclosed in some embodiments is a demolition hammer including any of the above described lower cylinder arrangements for a demolition hammer.
In some embodiments, the demolition hammer further comprises an upper cylinder 13 housing a hammer block for hammering the drill rod 5, one end of the lower cylinder being fixedly connected to one end of the upper cylinder 13, and a lower lug structure 42 being fixedly connected between an outer surface of the lower cylinder 41 and an outer surface of the upper cylinder 13.
In some embodiments, the breaking hammer further comprises a piston cylinder, a piston rod of the piston cylinder is fixedly connected with the hammer block, one end of the upper cylinder 13 is connected with the lower cylinder through a threaded structure, the upper cylinder 13 comprises an upper cylinder 1 and a middle cylinder 3 positioned between the upper cylinder 1 and the lower cylinder, a control valve 2 for controlling the extension and contraction of the piston rod of the piston cylinder is accommodated in the upper cylinder 1, and the hammer block is arranged in the middle cylinder 3.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. A lower cylinder structure for a demolition hammer, comprising:
the lower cylinder barrel comprises a through hole which is arranged in the middle of the lower cylinder barrel and is used for accommodating the drill rod;
the lower lug plate structure is detachably connected to the lower cylinder barrel and comprises a connecting structure and a first sub lug plate and a second sub lug plate which are arranged oppositely, and the connecting structure is detachably connected with the first sub lug plate and the second sub lug plate so that the first sub lug plate and the second sub lug plate can be wrapped from the outer side and tightly clamped to the lower cylinder barrel.
2. The lower cylinder structure for a demolition hammer as set forth in claim 1 wherein the first sub lug plate includes a first connecting portion and a second connecting portion on opposite sides of the lower cylinder, and the second sub lug plate includes a third connecting portion connected to the first connecting portion and a fourth connecting portion connected to the second connecting portion.
3. The lower cylinder structure for a demolition hammer as set forth in claim 2 wherein the connection structure includes a U-shaped plate and a first connection bolt, the first connection portion and the third connection portion being located in a U-shaped groove of the U-shaped plate, the first connection bolt passing through the U-shaped plate, the first connection portion and the third connection portion to fixedly connect the first connection portion and the third connection portion.
4. The lower cylinder structure for a demolition hammer as set forth in claim 2 wherein the second connecting portion includes a first boss protruding toward the fourth connecting portion, the fourth connecting portion includes a second boss protruding toward the second connecting portion and contacting the first boss, and the connecting structure includes a second connecting bolt fixedly connecting the second connecting portion and the fourth connecting portion.
5. The lower cylinder structure for a demolition hammer as set forth in claim 2 wherein the lower cylinder has an arcuate slot on an outer surface thereof, and the first and second sub-lugs have first and second arcuate surfaces, respectively, that engage the arcuate slot.
6. A lower cylinder block arrangement for a demolition hammer as claimed in any one of claims 1 to 5, which demolition hammer comprises an upper cylinder housing a hammer block for a hammer drill rod, one end of the lower cylinder being adapted for fixed connection with one end of the upper cylinder, characterized in that the lower lug arrangement is adapted for fixed connection of the outer surface of the lower cylinder with the upper cylinder.
7. The lower cylinder structure for a demolition hammer as claimed in any one of claims 1 to 5, which is intended to be mounted on a working arm of a working machine, characterized in that the lower lug structure is provided with a fixed connection for fixed connection with the working arm of the working machine.
8. A breaking hammer characterized by comprising a lower cylinder structure for a breaking hammer as claimed in any one of claims 1 to 7.
9. A demolition hammer as set forth in claim 8 further including an upper barrel housing a hammer block for a hammer drill rod, one end of the lower barrel fixedly connected to one end of the upper barrel, the lower lug structure fixedly connected between an outer surface of the lower barrel and an outer surface of the upper barrel.
10. The breaking hammer according to claim 9, further comprising a piston cylinder, wherein a piston rod of the piston cylinder is fixedly connected with the hammer block, one end of the upper cylinder is connected with the lower cylinder through a threaded structure, the upper cylinder comprises an upper cylinder body and a middle cylinder body located between the upper cylinder body and the lower cylinder, a control valve for controlling the piston rod of the piston cylinder to stretch and retract is accommodated in the upper cylinder body, and the hammer block is arranged in the middle cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220708146.1U CN216428386U (en) | 2022-03-30 | 2022-03-30 | Lower cylinder body structure for breaking hammer and breaking hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220708146.1U CN216428386U (en) | 2022-03-30 | 2022-03-30 | Lower cylinder body structure for breaking hammer and breaking hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216428386U true CN216428386U (en) | 2022-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220708146.1U Active CN216428386U (en) | 2022-03-30 | 2022-03-30 | Lower cylinder body structure for breaking hammer and breaking hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216428386U (en) |
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2022
- 2022-03-30 CN CN202220708146.1U patent/CN216428386U/en active Active
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Effective date of registration: 20230518 Address after: 221004 39 Gaoxin Road, Xuzhou economic and Technological Development Zone, Xuzhou, Jiangsu Patentee after: XCMG EXCAVATOR MACHINERY Co.,Ltd. Patentee after: Dalian Ruida Machinery Manufacturing Co.,Ltd. Address before: 221004 39 Gaoxin Road, Xuzhou economic and Technological Development Zone, Xuzhou, Jiangsu Patentee before: XCMG EXCAVATOR MACHINERY Co.,Ltd. |