CN214994227U

CN214994227U - Nut anti-loosening structure of breaking hammer

Info

Publication number: CN214994227U
Application number: CN202121436856.5U
Authority: CN
Inventors: 林丽霞; 李军; 赵艳玲
Original assignee: Yantai Xinren Electromechanical Equipment Co ltd
Current assignee: Shandong Bethel Heavy Industry Co ltd
Priority date: 2021-06-26
Filing date: 2021-06-26
Publication date: 2021-12-03
Anticipated expiration: 2031-06-26

Abstract

The application discloses quartering hammer nut anti loosening structure relates to the field of quartering hammer, and it includes the drill rod and strikes the cylinder body, the drill rod includes chisel head, steel pole and drill rod handle, it is equipped with the impact piston pole in the cylinder body to strike, the one end that strikes the cylinder body and keep away from the chisel head is equipped with grafting portion, grafting portion is connected with the impact piston pole, the drill rod handle is worn to locate in the grafting portion, just the drill rod handle is equipped with fastening screw, fastening screw threaded connection has fastening nut, it is equipped with the loop bar to strike the cylinder body, be equipped with pressure spring in the loop bar, pressure spring's one end and loop bar are connected, pressure spring's the other end and fastening nut are connected. The nut loosening possibility can be reduced.

Description

Nut anti-loosening structure of breaking hammer

Technical Field

The application relates to the technical field of quartering hammers, especially, relate to a quartering hammer nut anti loosening structure.

Background

The hydraulic breaking hammer is called as the breaking hammer or the breaker for short, the power source of the hydraulic breaking hammer is the pressure provided by an excavator, a loader or a pump station, and the hydraulic breaking hammer can effectively break stones and rocks in engineering construction and improve the working efficiency.

The related art can refer to the chinese utility model patent that the grant bullets is CN207878541U, it discloses a quartering hammer, including the drill rod, strike cylinder body and guide sleeve, the drill rod includes the chisel head, steel pole and drill rod handle, one side that the chisel head kept away from the pointed end is equipped with circular draw-in groove, and the one end of steel pole be equipped with circular draw-in groove assorted circular snap ring, be equipped with the impact chamber in the impact cylinder body, the fixed grafting portion that is equipped with in impact cylinder body front side, the grafting portion is equipped with the grafting cavity, impact chamber and grafting cavity switch-on mutually, the drill rod handle is pegged graft in the grafting cavity, and the drill rod handle is through the three fastening screw spiro union of the last circular arrangement of grafting portion, the impact intracavity is equipped with the piston, the right side of impacting the cylinder body be equipped with piston assorted piston rod.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the long-term use process of the breaking hammer, the normal use of the breaking hammer can be influenced by the loosening of the nut.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that the nut is not hard up, the application provides a quartering hammer nut anti loosening structure.

The application provides a pair of quartering hammer nut anti loosening structure adopts following technical scheme:

the utility model provides a quartering hammer nut anti loosening structure, includes the drill rod and strikes the cylinder body, the drill rod includes chisel head, steel pole and drill rod handle, it is equipped with the impact piston pole in the cylinder body to strike, the one end of striking the cylinder body and keeping away from the chisel head is equipped with grafting portion, grafting portion is connected its characterized in that with the impact piston pole: the drill rod handle is arranged in the inserting part in a penetrating mode, a fastening screw rod is arranged on the drill rod handle, a fastening nut is connected with the fastening screw rod in a threaded mode, a loop bar is arranged on the impact cylinder body, a compression spring is arranged in the loop bar, one end of the compression spring is connected with the loop bar, and the other end of the compression spring is connected with the fastening nut.

By adopting the technical scheme, when an operator uses the breaking hammer, the drill rod handle and the inserting part can be fixed through the screw rod, after the screw rod is fixed, the sleeve rod sleeve is sleeved on the impact cylinder body by the operator, the fastening nut can be limited through the arrangement of the compression spring, and the possibility of loosening of the fastening nut is reduced.

Optionally, a pressing block is arranged at one end, close to the fastening nut, of the pressing spring, the pressing block is arranged in a hollow mode, the pressing block is sleeved on the fastening nut, and when the pressing spring is in a natural state, one end, far away from the pressing spring, of the pressing block is abutted to the insertion part.

By adopting the technical scheme, when an operator utilizes the compression spring to limit the fastening nut, the compression block sleeves the fastening nut, so that the contact area between the compression spring and the fastening nut can be increased, and the possibility of looseness of the fastening nut is further reduced.

Optionally, the compressing block is close to one end inserting piece of the fastening nut, the inserting portion is provided with a slot matched with the inserting piece, the inserting piece is located in the slot, and the inserting portion is provided with a locking assembly used for fixing the inserting piece and the slot.

Through adopting above-mentioned technical scheme, the compact heap cover is established on fastening nut after, and the inserted sheet can wear to locate in the slot, can be fixed inserted sheet and slot through locking Assembly, realizes the fixed purpose with the compact heap, reduces the not hard up possibility of compact heap, and then reduces the not hard up possibility of fastening nut.

Optionally, the locking assembly includes a locking rod, the locking rod is fixedly connected with the insertion part, the locking rod is provided with a locking screw, and the locking screw penetrates through the locking rod and is in threaded connection with the pressing block.

Through adopting above-mentioned technical scheme, the compact heap is with the spacing back of fastening nut, and the operator wears to locate the check lock lever with locking screw, and with locking screw and compact heap threaded connection, realizes the fixed purpose with the compact heap, reduces the not hard up possibility of compact heap, and then reduces the not hard up possibility of fastening nut.

Optionally, the inserting part is provided with a telescopic rod, the compression spring is sleeved on the telescopic rod, the telescopic rod comprises a thick rod and a thin rod, the thick rod is sleeved on the thin rod and is connected with the thin rod in a sliding manner, one end of the thick rod, far away from the thin rod, is connected with the inner wall of the sleeve rod, and one end of the thin rod, far away from the thick rod, is connected with the compression block

Through adopting above-mentioned technical scheme, when pressure spring is flexible, the setting of telescopic link can provide the direction for pressure spring's flexible, reduces the pressure spring and at the flexible in-process possibility of warping to can ensure pressure spring's normal use.

Optionally, the outer wall of the thin rod is provided with a sliding block, the sliding block extends along the length direction of the thin rod, and the inner wall of the thick rod is provided with a sliding groove matched with the sliding block.

Through adopting above-mentioned technical scheme, pressure spring is at flexible in-process, and thick pole can slide, and thick pole is at the slip in-process, and the setting of slider and spout can make the slip of thick pole more steady.

Optionally, the chisel head is detachably connected with the steel rod.

Through adopting above-mentioned technical scheme, the chisel head is in long-term use, when the chisel head appears damaging, the operator only need with the chisel head follow steel pole dismantle can, the operator maintenance of being convenient for need not to dismantle whole steel pole, reduces artifical intensity of labour.

Optionally, a reinforcing ring is arranged at one end, close to the steel rod, of the chisel head, one side of the reinforcing ring is connected with the steel rod through a bolt, and the other side of the reinforcing ring is fixedly connected with the chisel head.

Through adopting above-mentioned technical scheme, when the operator need change the chisel head, dismantle the bolt, can realize the purpose of dismantling the reinforcing ring, through dismantling the reinforcing ring, realize the purpose of dismantling the chisel head, the operator of being convenient for changes or maintains the chisel head.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when an operator uses the breaking hammer, the drill rod handle and the inserting part can be fixed through the screw rod, after the screw rod is fixed, the sleeve rod is sleeved on the impact cylinder body by the operator, and the fastening nut can be limited through the arrangement of the compression spring, so that the possibility of loosening of the fastening nut is reduced;

2. when an operator limits the fastening nut by using the compression spring, the compression block is sleeved on the fastening nut, so that the contact area between the compression spring and the fastening nut can be increased, and the possibility of loosening of the fastening nut is further reduced;

3. after the compact heap cover was established on fastening nut, the inserted sheet can wear to locate in the slot, can be fixed inserted sheet and slot through locking Assembly, realizes the fixed purpose with the compact heap, reduces the not hard up possibility of compact heap, and then reduces the not hard up possibility of fastening nut.

Drawings

Fig. 1 is an overall structural schematic diagram of a nut anti-loosening structure of a breaking hammer according to an embodiment of the present application.

Fig. 2 is a sectional view showing a positional relationship between a pressing block and a pressing spring in the nut looseness prevention structure of the breaking hammer according to the embodiment of the present application.

Fig. 3 is a schematic diagram illustrating a position relationship between a thick rod and a thin rod of a nut anti-loose structure of a breaking hammer according to an embodiment of the present disclosure.

Description of reference numerals:

1. impacting the cylinder body; 11. an impulse piston rod; 12. a plug-in part; 14. a drill rod; 141. chiseling a head; 1411. reinforcing rings; 142. a steel rod; 143. a shank; 2. a loop bar; 21. clamping a hoop; 22. a compression spring; 23. a compression block; 24. a locking assembly; 241. locking the screw rod; 242. a locking lever; 25. inserting sheets; 251. a slot; 3. fastening a screw rod; 31. fastening a nut; 4. a telescopic rod; 41. a thick rod; 411. a chute; 42. a thin rod; 421. a slide block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses quartering hammer nut anti loosening structure.

Referring to fig. 1 and 2, the anti-loose structure of the nut of the breaking hammer comprises a drill rod 14 and an impact cylinder 1, wherein the drill rod 14 comprises a chisel head 141, a steel rod 142 and a drill rod shank 143, the chisel head 141 is connected with the steel rod 142, and one end of the steel rod 142, which is far away from the chisel head 141, is connected with the drill rod shank 143; an impact piston rod 11 is arranged in the impact cylinder 1, an insertion part 12 is arranged at one end, close to a drill rod handle 143, of the impact piston rod 11, the insertion part 12 is fixedly connected with the impact piston rod 11, one end, far away from the steel rod 142, of the drill rod handle 143 penetrates through the insertion part 12, and a locking mechanism for fixing the drill rod handle 143 and the insertion part 12 is arranged on the impact cylinder 1. In the use process of the breaking hammer, the aim of driving the chisel head 141 to move is achieved through the movement of the steel rod 142 and the drill rod handle 143, and therefore the aim of breaking objects needing to be broken is achieved.

Referring to fig. 1, the chisel head 141 has a tapered shape, and the chisel head 141 is detachably connected to the steel bar 142. When the chisel head 141 is damaged after long-term use, an operator only needs to detach the chisel head 141 from the steel rod 142, so that the maintenance or replacement of the operator is facilitated, and the labor intensity of the operator in replacing the whole steel rod 142 is reduced.

Referring to fig. 1, a reinforcing ring 1411 is arranged at one end of the chisel head 141 close to the steel rod 142, the diameter of the reinforcing ring 1411 is larger than that of the steel rod 142, the reinforcing ring 1411 is sleeved at one end of the steel rod 142 close to the chisel head 141, the reinforcing ring 1411 is connected with the steel rod 142 through a bolt, and one surface of the reinforcing ring 1411 far away from the steel rod 142 is fixedly connected with the chisel head 141. When the chisel head 141 needs to be replaced or repaired, an operator detaches the bolt, so that the reinforcing ring 1411 can be detached from the steel rod 142, and the purpose of detaching the chisel head 141 is achieved.

Referring to fig. 2, the locking mechanism includes a fastening screw 3, the fastening screw 3 is located at one end of the drill rod shank 143 far away from the steel rod 142, the fastening screw 3 penetrates through the drill rod shank 143 and the insertion part 12, two ends of the fastening screw 3 are connected through a fastening nut 31, and the purpose of fixing the drill rod shank 143 and the insertion part 12 is achieved through the fastening screw 3.

Referring to fig. 1 and 2, the impact cylinder 1 is provided with a loop bar 2, the loop bar 2 comprises two half rings, the two half rings are hinged, the free ends of the two half rings are fixed through a hoop 21, a compression spring 22 is arranged in the loop bar 2, one end of the compression spring 22 is fixedly connected with the loop bar 2, the other end of the compression spring 22 is abutted against a fastening nut 31, the purpose of limiting the fastening nut 31 is achieved through the compression spring 22, and the possibility of loosening the fastening nut 31 is reduced.

Referring to fig. 2 and 3, the impact cylinder 1 is provided with an expansion link 4, the expansion link 4 comprises a thick rod 41 and a thin rod 42, the diameter of the thick rod 41 is larger than that of the thin rod 42, the thick rod 41 is sleeved on the thin rod 42, the thick rod 41 is slidably connected with the thin rod 42 along the length direction of the thin rod 42, one end of the thick rod 41 far away from the thin rod 42 is fixedly connected with the loop bar 2, one end of the thin rod 42 far away from the thick rod 41 is connected with the fastening nut 31, and the compression spring 22 is sleeved on the expansion link 4. The compression spring 22 is at flexible in-process, and the setting of telescopic link 4 can provide the direction for compression spring 22's flexible to reduce compression spring 22 in the flexible in-process possibility of buckling deformation, thereby ensure compression spring 22's normal use, extension compression spring 22's service life.

Referring to fig. 3, the outer wall of the thin rod 42 is provided with a sliding block 421, the sliding block 421 extends along the length direction of the thin rod 42, the inner wall of the thick rod 41 is provided with a sliding slot 411 adapted to the sliding block 421, and the sliding block 421 is located in the sliding slot 411. When the thick rod 41 slides, the slide block 421 and the slide slot 411 are arranged to provide a guide for the sliding of the thick rod 41, so that the thick rod 41 can slide stably, and the possibility of the rotation of the thick rod 41 in the sliding process is reduced.

Referring to fig. 2 and 3, a pressing block 23 is arranged at one end of the pressing spring 22 far away from the loop bar 2, the pressing block 23 is fixedly connected with the pressing spring 22, the pressing block 23 is arranged in a hollow manner, the pressing block 23 is sleeved on the fastening nut 31, and when the pressing spring 22 is in a natural state, one end of the pressing block 23 far away from the pressing spring 22 is abutted to the insertion part 12. The clamp nut 31 can be limited by the clamp spring 22, and the contact area between the clamp spring 22 and the clamp nut 31 can be increased by the clamp block 23, so that the possibility of loosening of the clamp nut 31 is further reduced.

Referring to fig. 2, the pressing block 23 is close to the insertion piece 25 at one end of the fastening nut 31, the insertion piece 25 is fixedly connected with the pressing block 23, the insertion portion 12 is provided with a slot 251 matched with the insertion piece 25, when the pressing block 23 is sleeved on the fastening nut 31, the insertion piece 25 is located in the slot 251, the insertion portion 12 is provided with a locking component 24 for fixing the insertion piece 25, the insertion piece 25 can be fixed through the locking component 24, and therefore the pressing block 23 is further fixed.

Referring to fig. 2, the locking assembly 24 includes a locking rod 242, a length direction of the locking rod 242 is perpendicular to a length direction of the insertion portion 12, the locking rod 242 is fixedly connected to the insertion portion 12, the insertion portion 12 is provided with a locking screw 241, a length direction of the locking screw 241 is perpendicular to a length direction of the locking rod 242, and the locking screw 241 penetrates through the locking rod 242 and is in threaded connection with the pressing block 23. Through the setting of locking screw 241, can further fix compact heap 23, reduce the not hard up possibility of compact heap 23, and then reduce the not hard up possibility of fastening nut 31.

The implementation principle of the nut anti-loosening structure of the breaking hammer in the embodiment of the application is as follows: the operator sleeves the pressing block 23 on the fastening nut 31, fixes the pressing block 23 by using the locking screw 241, fixes the pressing block 23, and after the pressing block 23 is fixed, the operator fixes the pressing block 23 by using the loop bar 2, and provides buffering for the pressing block 23 by using the abutting of the pressing spring 22 and the pressing block 23, so that the purpose of fixing the fastening nut 31 is realized, and the possibility of looseness of the fastening nut 31 is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a quartering hammer nut anti loosening structure, includes drill rod (14) and strikes cylinder body (1), drill rod (14) are equipped with impact piston rod (11) including chisel head (141), steel pole (142) and drill rod handle (143) in striking cylinder body (1), the one end that strikes cylinder body (1) and keep away from chisel head (141) is equipped with grafting portion (12), grafting portion (12) are connected with impact piston rod (11), its characterized in that: the drill rod handle (143) penetrates through the insertion part (12), a fastening screw rod (3) is arranged on the drill rod handle (143), a fastening nut (31) is connected to the fastening screw rod (3) in a threaded mode, a sleeve rod (2) is arranged on the impact cylinder body (1), a compression spring (22) is arranged in the sleeve rod (2), one end of the compression spring (22) is connected with the sleeve rod (2), and the other end of the compression spring (22) is connected with the fastening nut (31).

2. The anti-loosening structure for the nut of the breaking hammer as claimed in claim 1, wherein: one end, close to the fastening nut (31), of the compression spring (22) is provided with a compression block (23), the compression block (23) is arranged in a hollow mode, the compression block (23) is sleeved on the fastening nut (31), and when the compression spring (22) is in a natural state, one end, far away from the compression spring (22), of the compression block (23) is abutted to the insertion part (12).

3. The anti-loosening structure for the nut of the breaking hammer as claimed in claim 2, wherein: the pressing block (23) is close to one end inserting piece (25) of the fastening nut (31), the inserting portion (12) is provided with a slot (251) matched with the inserting piece (25), the inserting piece (25) is located in the slot (251), and the inserting portion (12) is provided with a locking component (24) used for fixing the inserting piece (25) and the slot (251).

4. The anti-loosening structure for the nut of the breaking hammer as claimed in claim 3, wherein: locking Assembly (24) include check lock lever (242), check lock lever (242) and grafting portion (12) fixed connection, check lock lever (242) are equipped with locking screw (241), locking screw (241) wear to locate check lock lever (242), and with compact heap (23) threaded connection.

5. The anti-loosening structure for the nut of the breaking hammer as claimed in claim 1, wherein: inserting part (12) are equipped with telescopic link (4), compression spring (22) cover is established on telescopic link (4), telescopic link (4) are including thick pole (41) and thin pole (42), thick pole (41) cover is established on thin pole (42), and with thin pole (42) sliding connection, thick pole (41) keep away from the one end of thin pole (42) and the interior wall connection of loop bar (2), the one end that thick pole (41) were kept away from to thin pole (42) is connected with compact heap (23).

6. The anti-loosening structure for the nut of the breaking hammer as claimed in claim 5, wherein: the outer wall of thin pole (42) is equipped with slider (421), slider (421) extend the setting along the length direction of thin pole (42), the inner wall of thick pole (41) is equipped with spout (411) with slider (421) adaptation.

7. The anti-loosening structure for the nut of the breaking hammer as claimed in claim 1, wherein: the chisel head (141) is detachably connected with the steel rod (142).

8. The anti-loosening structure for the nut of the breaking hammer as claimed in claim 7, wherein: one end, close to the steel rod (142), of the chisel head (141) is provided with a reinforcing ring (1411), one face of the reinforcing ring (1411) is connected with the steel rod (142) through a bolt, and the other face of the reinforcing ring (1411) is fixedly connected with the chisel head (141).