CN220301414U - Anti-seizure structure for screw rod of hydraulic breaking hammer - Google Patents

Anti-seizure structure for screw rod of hydraulic breaking hammer Download PDF

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Publication number
CN220301414U
CN220301414U CN202321648238.6U CN202321648238U CN220301414U CN 220301414 U CN220301414 U CN 220301414U CN 202321648238 U CN202321648238 U CN 202321648238U CN 220301414 U CN220301414 U CN 220301414U
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China
Prior art keywords
cylinder body
seizing
breaking hammer
screw
gasket
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Active
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CN202321648238.6U
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Chinese (zh)
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吕宗辉
金宇轩
陈伟豪
陈伟力
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Zhejiang Lingde Heavy Industry Co ltd
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Zhejiang Lingde Heavy Industry Co ltd
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Abstract

The utility model provides an anti-seizing structure of a screw rod of a hydraulic breaking hammer, and belongs to the field of breaking hammers. The screw rod clamping device solves the problem that the screw rod is clamped in the installation process of the breaking hammer. The utility model provides a hydraulic breaking hammer lead screw anti-seizing structure, this hydraulic breaking hammer includes the breaking hammer cylinder body, and the breaking hammer cylinder body comprises well cylinder body, lower cylinder body and back cylinder body, has the mounting hole in the lower cylinder body, and the through-hole of intercommunication has been seted up to interior of lower cylinder body, well cylinder body and back cylinder body, wears to be equipped with the lead screw in the through-hole, and lead screw one end is fixed in the lower cylinder body through the installation nut, and the outside lock nut fastening that passes back cylinder body outside the lead screw other end, be equipped with the gasket between installation nut and the lower cylinder body inner chamber, and this gasket offsets with the lead screw tip and lean on and be used for preventing the lead screw to seize, has seted up the installation opening that supplies the installation nut to put into down cylinder body one side, and the mounting groove has been seted up to lower cylinder body individual corner. The screw rod has the advantages of being very convenient to replace or disassemble and capable of being recycled.

Description

Anti-seizure structure for screw rod of hydraulic breaking hammer
Technical Field
The utility model belongs to the field of breaking hammers, relates to a breaking hammer, and in particular relates to an anti-seizure structure of a screw rod of a hydraulic breaking hammer.
Background
The power source of the hydraulic breaking hammer is the pressure oil provided by the pump station of the excavator or loader, which can more effectively clean the floating stones and soil in the rock gaps in the action of excavating the foundation of the building. The principle of selecting the hydraulic breaking hammer is to select the most suitable hydraulic breaking hammer according to the model of the excavator and the working environment.
Because of the large impact force of the breaking hammer, the breaking hammer is widely used for mountain rock breaking, pavement cutting and the like. At present, the cylinder body and the lower cylinder body in the breaking hammer are connected through the screw rod, but the screw rod is screwed tightly to lean on the lower cylinder body in the installation process, so that the lower cylinder body is deformed, the screw rod is clamped on the lower cylinder body and cannot be pulled out, maintenance cannot be carried out, and the use of the breaking hammer is influenced.
Therefore, the internal structure of the hydraulic breaking hammer needs to be designed and modified, and the phenomenon that the hydraulic breaking hammer is inconvenient to maintain is prevented.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides an anti-seizure structure for a screw rod of a hydraulic breaking hammer.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a hydraulic breaking hammer lead screw anti-seize structure, this hydraulic breaking hammer includes the breaking hammer cylinder body, its characterized in that, the breaking hammer cylinder body constitute by well cylinder body, lower cylinder body and back cylinder body, lower cylinder body in have the mounting hole that is used for installing the hammer core, lower cylinder body, well cylinder body and back cylinder body inside set up the through-hole of intercommunication each other, the through-hole in wear to be equipped with the lead screw, lead screw one end is fixed in lower cylinder body through the installation nut, the other end of lead screw wears out the back cylinder body outside and fastens through the lock nut, be equipped with the gasket between installation nut and the lower cylinder body inner chamber, and this gasket offsets with the lead screw tip and lean on and be used for preventing the lead screw to seize, lower cylinder body one side set up the installation opening that supplies the installation nut to put into, the mounting groove of convenient installation nut installation usefulness has been seted up to lower cylinder body individual corner.
In the hydraulic breaking hammer screw anti-seizing structure, the gasket is made of nonmetal or metal aluminum or copper.
In the hydraulic breaking hammer screw anti-seizing structure, threads are arranged at two ends of the screw, the screw is cylindrical, and a step is arranged on the screw.
In the hydraulic breaking hammer screw rod anti-seizing structure, the gasket is a convex gasket formed by a first anti-seizing part and a second anti-seizing part, the first anti-seizing part and the second anti-seizing part are round, the outer diameter of the second anti-seizing part is larger than that of the first anti-seizing part, the first anti-seizing part is arranged in the mounting nut and is propped against the screw rod, and the second anti-seizing part is propped against the lower cylinder body.
In the hydraulic breaking hammer screw rod anti-seizing structure, the gasket is a sector gasket formed by a first anti-seizing part and a second anti-seizing part, the first anti-seizing part is circular, the second anti-seizing part is sector-shaped, the outer diameter of the second anti-seizing part is larger than that of the first anti-seizing part, the first anti-seizing part is arranged in the mounting nut and abuts against the screw rod, and the second anti-seizing part abuts against the lower cylinder body.
In the hydraulic breaking hammer screw rod anti-seizing structure, the gasket is a circular gasket formed by a first anti-seizing portion, the first anti-seizing portion is sleeved in the mounting nut, and two sides of the first anti-seizing portion respectively lean against the screw rod and the lower cylinder body.
In the hydraulic breaking hammer screw rod anti-seizing structure, the gasket is a square plastic pad formed by a first anti-seizing part, the first anti-seizing part is sleeved in the mounting nut, and two ends of the first anti-seizing part respectively lean against the screw rod and the lower cylinder body.
Compared with the prior art, the anti-seizing structure of the hydraulic breaking hammer screw rod has the advantages that the gasket for protection is arranged at the screw rod in the breaking hammer cylinder body, the seizing condition during the screw rod installation can be reduced, the screw rod is very convenient to replace or disassemble, and the hydraulic breaking hammer screw rod can be recycled.
Principle of operation
According to the utility model, the gasket is arranged in the breaking hammer, when the screw rod sequentially enters from the rear cylinder body and the middle cylinder body, one end of the screw rod is connected with the mounting nut and tightly abuts against the gasket, and the other end of the screw rod extends out of the rear cylinder body and is fixed through the locking nut; the lock nut rotates, the screw rod can rotate with the rotation, when the screw rod moves to the gasket, the gasket can generate elasticity to prevent the screw rod from slipping on the lower cylinder body due to overlarge rotating force, and the screw rod is convenient to detach and maintain.
Drawings
Fig. 1 is a schematic perspective view of an anti-seizing structure of a screw rod of a hydraulic breaking hammer.
Fig. 2 is a front view of the anti-seizing structure of the hydraulic breaking hammer screw.
Fig. 3 is a partial cross-sectional view of the hydraulic breaking hammer screw anti-seizing structure.
Fig. 4 is a front view of a convex gasket of the hydraulic breaking hammer screw anti-seizing structure.
Fig. 5 is a top view of a male spacer of the hydraulic breaking hammer screw anti-seize structure.
Fig. 6 is a front view of a fan-shaped gasket of the hydraulic breaking hammer screw anti-seizing structure.
Fig. 7 is a top view of a sector gasket of the hydraulic breaking hammer screw anti-seizing structure.
Fig. 8 is a front view of a circular gasket of the hydraulic breaking hammer screw anti-seizing structure.
Fig. 9 is a top view of a circular gasket of the hydraulic breaking hammer screw anti-seizing structure.
Fig. 10 is a front view of a square gasket of the hydraulic breaking hammer screw anti-seizing structure.
Fig. 11 is a top view of a square gasket of the hydraulic breaking hammer screw anti-seizing structure.
In the figure, 1, a breaking hammer cylinder body; 2. a mounting hole; 3. a lower cylinder; 4. a middle cylinder; 5. a rear cylinder; 6. a mounting opening; 7. installing a nut; 8. a gasket; 9. a through hole; 10. a screw rod; 11. a lock nut; 12. a thread; 13. a first bite-preventing portion; 14. a second anti-seize portion; 15. and a mounting groove.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10 and fig. 11, the hydraulic breaking hammer comprises a breaking hammer cylinder body 1, and is characterized in that the breaking hammer cylinder body 1 comprises a middle cylinder body 4, a lower cylinder body 3 and a rear cylinder body 5, a mounting hole 2 for mounting a hammer core is formed in the lower cylinder body 3, through holes 9 which are mutually communicated are formed in the lower cylinder body 3, the middle cylinder body 4 and the rear cylinder body 5, a screw rod 10 is penetrated in the through holes 9, one end of the screw rod 10 is fixed in the lower cylinder body 3 through a mounting nut 7, the other end of the screw rod 10 penetrates out of the rear cylinder body 5 and is fastened through a locking nut 11, a gasket 8 is arranged between the mounting nut 7 and an inner cavity of the lower cylinder body 3, the gasket 8 abuts against the end of the screw rod 10 and is used for preventing the screw rod from being bitten, a mounting opening 6 for placing the mounting nut 7 is formed in one side of the lower cylinder body 3, and mounting grooves 15 for mounting the mounting nut 7 are formed in corners of the lower cylinder body 3.
Further preferably, the gasket 8 is made of nonmetal or metal aluminum or copper. The nonmetallic material can be synthetic rubber or plastic or synthetic fiber.
Further preferably, threads 12 are provided at both ends of the screw rod 10, the screw rod 10 is cylindrical, and a step is provided on the screw rod 10.
In a first embodiment, as shown in fig. 4, the gasket 8 is a convex gasket formed by a first anti-seizing portion 13 and a second anti-seizing portion 14, the first anti-seizing portion 13 and the second anti-seizing portion 14 are both circular, the outer diameter of the second anti-seizing portion 14 is larger than the outer diameter of the first anti-seizing portion 13, the first anti-seizing portion 13 is arranged in the mounting nut 7 to be abutted against the screw rod 10, and the second anti-seizing portion 14 is abutted against the lower cylinder 3.
In the second embodiment, as shown in fig. 6, the gasket 8 is a fan-shaped gasket formed by a first anti-seizing portion 13 and a second anti-seizing portion 14, the first anti-seizing portion 13 is in a circular shape, the second anti-seizing portion 14 is in a fan shape, the outer diameter of the second anti-seizing portion 14 is larger than that of the first anti-seizing portion 13, the first anti-seizing portion 13 is arranged in the mounting nut 7 and abuts against the screw rod 10, and the second anti-seizing portion 14 abuts against the lower cylinder 3.
In the third embodiment, as shown in fig. 8, the gasket 8 is a circular gasket formed by a first anti-seizing portion 13, the first anti-seizing portion 13 is sleeved in the mounting nut 7, and two sides of the first anti-seizing portion 13 respectively lean against the screw rod 10 and the lower cylinder 3.
In a fourth embodiment, as shown in fig. 10, the gasket 8 is a square plastic pad composed of a first anti-seizing portion 13, the first anti-seizing portion 13 is sleeved in the mounting nut 7, and two ends of the first anti-seizing portion 13 respectively abut against the screw rod 10 and the lower cylinder 3.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although terms such as the breaking hammer cylinder 1, the mounting hole 2, the lower cylinder 3, the middle cylinder 4, the rear cylinder 5, the mounting opening 6, the mounting nut 7, the gasket 8, the through hole 9, the screw rod 10, the lock nut 11, the screw 12, the first bite preventing portion 13, the second bite preventing portion 14, the mounting groove 15 are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (7)

1. This hydraulic breaking hammer lead screw (10) prevent structure of seizing, this hydraulic breaking hammer include breaking hammer cylinder body (1), its characterized in that, breaking hammer cylinder body (1) constitute by well cylinder body (4), lower cylinder body (3) and back cylinder body (5), lower cylinder body (3) in have mounting hole (2) that are used for installing the hammer core, lower cylinder body (3), well cylinder body (4) and back cylinder body (5) inside offered through-hole (9) that communicate each other, through-hole (9) in wear to be equipped with lead screw (10), lead screw (10) one end is fixed in lower cylinder body (3) through installation nut (7), outside back cylinder body (5) are worn out to the lead screw (10) other end through lock nut (11) fastening, be equipped with gasket (8) between installation nut (7) and the lower cylinder body (3) inner chamber, and this gasket (8) lean on being used for preventing lead screw (10) to pitch, lower cylinder body (3) one side set up and supply installation nut (7) to put into installation opening (6), install corner (15) are set up with installation groove (3).
2. The hydraulic breaking hammer screw (10) anti-seizing structure according to claim 1, characterized in that the gasket (8) is made of non-metal or metal aluminum or copper.
3. The anti-seizure structure of a hydraulic breaking hammer screw (10) according to claim 1, characterized in that threads (12) are provided at both ends of the screw (10), the screw (10) is cylindrical, and a step is provided on the screw (10).
4. The hydraulic breaking hammer screw (10) anti-seizing structure according to claim 1, characterized in that the gasket (8) is a convex gasket (8) composed of a first anti-seizing portion (13) and a second anti-seizing portion (14), the first anti-seizing portion (13) and the second anti-seizing portion (14) are all round, the outer diameter of the second anti-seizing portion (14) is larger than the outer diameter of the first anti-seizing portion (13), the first anti-seizing portion (13) is arranged in the mounting nut (7) to be abutted against the screw (10), and the second anti-seizing portion (14) is abutted against the lower cylinder (3).
5. The hydraulic breaking hammer screw (10) anti-seizing structure according to claim 1, characterized in that the gasket (8) is a fan-shaped gasket (8) composed of a first anti-seizing portion (13) and a second anti-seizing portion (14), the first anti-seizing portion (13) is circular, the second anti-seizing portion (14) is fan-shaped, the outer diameter of the second anti-seizing portion (14) is larger than the outer diameter of the first anti-seizing portion (13), the first anti-seizing portion (13) is arranged in the mounting nut (7) and abuts against the screw (10), and the second anti-seizing portion (14) abuts against the lower cylinder body (3).
6. The hydraulic breaking hammer screw (10) anti-seizing structure according to claim 1, characterized in that the gasket (8) is a circular gasket (8) composed of a first anti-seizing portion (13), the first anti-seizing portion (13) is sleeved in the mounting nut (7), and two sides of the first anti-seizing portion (13) respectively lean against the screw (10) and the lower cylinder (3).
7. The hydraulic breaking hammer screw (10) anti-seizing structure according to claim 1, characterized in that the gasket (8) is a square plastic pad composed of a first anti-seizing portion (13), the first anti-seizing portion (13) is sleeved in the mounting nut (7), and two ends of the first anti-seizing portion (13) respectively lean against the screw (10) and the lower cylinder (3).
CN202321648238.6U 2023-06-26 2023-06-26 Anti-seizure structure for screw rod of hydraulic breaking hammer Active CN220301414U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321648238.6U CN220301414U (en) 2023-06-26 2023-06-26 Anti-seizure structure for screw rod of hydraulic breaking hammer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321648238.6U CN220301414U (en) 2023-06-26 2023-06-26 Anti-seizure structure for screw rod of hydraulic breaking hammer

Publications (1)

Publication Number Publication Date
CN220301414U true CN220301414U (en) 2024-01-05

Family

ID=89349420

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321648238.6U Active CN220301414U (en) 2023-06-26 2023-06-26 Anti-seizure structure for screw rod of hydraulic breaking hammer

Country Status (1)

Country Link
CN (1) CN220301414U (en)

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