CN211821679U

CN211821679U - Butter filling device for quartering hammer

Info

Publication number: CN211821679U
Application number: CN201922425790.9U
Authority: CN
Inventors: 林雨才
Original assignee: Taizhou Belite Machinery Co ltd
Current assignee: Taizhou Belite Machinery Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-30
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a butter filling device for quartering hammer belongs to quartering hammer technical field. It has solved the unable problem that is suitable for on the quartering hammer of current butter filling device. According to the grease filling device for the quartering hammer, the hydraulic oil cavity, the main oil cavity and the transition oil cavity are sequentially spaced along the axial direction of the valve body, the bottom surface of the valve body is provided with a hydraulic oil hole communicated with the hydraulic oil cavity, the side wall of the valve seat is provided with a first oil inlet hole communicated with the main oil cavity, the side wall of the valve body is provided with a second oil inlet hole communicated with the first oil inlet hole, and the bottom surface of the valve body is provided with an oil outlet hole communicated with the transition oil cavity; the grease filling device further comprises a push rod arranged on the valve seat in a sliding mode, one end of the push rod extends into the main oil cavity, a first spring enabling the other end of the push rod to abut against the end portion of the valve body is arranged on the push rod, and a one-way valve capable of controlling the on-off of the main oil cavity and the transition oil cavity is arranged in the valve body. The butter filling device of this structure is applicable to on the quartering hammer.

Description

Butter filling device for quartering hammer

Technical Field

The utility model belongs to the technical field of the quartering hammer, a butter filling device for quartering hammer is related to.

Background

The breaking hammer is usually installed on an excavator, a loader or a power station for use, has the advantages of large impact force, convenient use, good maneuverability, high efficiency and the like, and is mainly used for the work of breaking, dismantling, excavating hard layers and the like in building construction. The existing breaking hammer generally comprises a front cylinder body, a middle cylinder body, a rear cylinder body, a drill rod and a piston, wherein the drill rod is arranged in the front cylinder body, the piston is arranged in the middle cylinder body, and the piston reciprocates along the axial direction of the middle cylinder body and strikes the drill rod. Because the drill rod produces the friction between drill rod and the interior outer tube in the in-process of cylinder body reciprocating motion in the front for drill rod and interior outer tube wear easily, consequently, all have the butter filling opening on the preceding cylinder body of quartering hammer, the user injects the butter into the cylinder body with the manual butter every two hours for the butter is filled and is wasted time and energy.

In order to improve the convenience of grease filling of the breaking hammer, the chinese patent network discloses an automatic lubricating system for the breaking hammer of an excavator [ grant No.: CN208503907U, including butter filling machine, switching-over valve, quartering hammer, the quartering hammer is equipped with working hydraulic fluid port A and working hydraulic fluid port B, and working hydraulic fluid port A connects into oil pipe, and working hydraulic fluid port A still connects first working hydraulic fluid port F of switching-over valve and the control hydraulic fluid port G of switching-over valve, and working hydraulic fluid port B connects back oil pipe, and the second working hydraulic fluid port H of switching-over valve connects the control end J of butter filling machine, and the working hydraulic fluid port K of butter filling machine passes through the butter filling pipe and connects the butter filling port C of quartering hammer. In the process that the piston reciprocates in the middle cylinder body, the grease filling machine is driven to fill grease through hydraulic power on the breaking hammer, and the convenience of grease filling is improved.

Firstly, the patent does not disclose the specific structure inside the butter filling machine; the power part of the hydraulic grease machine in the prior art generally comprises a cylinder, a piston and an oil pump, wherein the piston divides the inside of the cylinder of the grease machine into a front oil cavity and a rear oil cavity, the front oil cavity and the rear oil cavity are respectively connected with oil pipes, one of the oil pipes is connected to an oil inlet of the oil pump, the other oil pipe is connected to an oil outlet of the oil pump, when the grease needs to be filled, the oil pump works to enable the front oil cavity to discharge oil and the rear oil cavity to feed oil, the piston moves forwards, after the grease is filled, the oil pump rotates reversely to enable the rear oil cavity to discharge oil and the front oil cavity to feed oil, and the piston moves backwards to reset.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a butter filling device for quartering hammer, the utility model aims to solve the technical problem that: how to design a butter filling device suitable for being used on a breaking hammer.

The purpose of the utility model can be realized by the following technical proposal:

a grease filling device for a quartering hammer comprises a valve body and a valve seat arranged in the valve body, and is characterized in that the valve seat divides the interior of the valve body into a hydraulic oil cavity and a transition oil cavity, the middle part of the valve seat is provided with a main oil cavity, the hydraulic oil cavity, the main oil cavity and the transition oil cavity are sequentially spaced along the axial direction of the valve body, the bottom surface of the valve body is provided with a hydraulic oil hole communicated with the hydraulic oil cavity, the side wall of the valve seat is provided with a first oil inlet hole communicated with the main oil cavity, the side wall of the valve body is provided with a second oil inlet hole communicated with the first oil inlet hole, and the bottom surface of the valve body is provided with an; the butter filling device further comprises a push rod arranged on the valve seat in a sliding mode, one end of the push rod extends into the main oil cavity, the other end of the push rod is abutted against a first spring on the end portion of the valve body, a one-way valve capable of controlling the on-off of the main oil cavity and the transition oil cavity is arranged in the valve body, and when the push rod moves towards the side of the transition oil cavity, the one-way valve is in an open state.

The grease filling device is arranged on a breaking hammer for use, a hydraulic oil hole is communicated with a reversing valve on the breaking hammer, an oil outlet hole is communicated with a grease filling port on the breaking hammer, a grease barrel or a grease tank is connected with an oil inlet hole II, grease enters a main oil cavity through the oil inlet hole II and the oil inlet hole I, the hydraulic oil enters a hydraulic oil cavity through the hydraulic oil hole by the reversing valve in the working process of the breaking hammer, the hydraulic oil drives a push rod to move towards the side of a transition oil cavity by overcoming the acting force of a spring I, the push rod extrudes the grease in the main oil cavity towards the side of the transition oil cavity, the one-way valve is in an open state at the moment, the grease enters the transition oil cavity through the reversing valve and then enters the breaking hammer through the oil outlet hole, parts in the breaking hammer are lubricated, the hydraulic oil in the hydraulic oil hammer flows back to the breaking hammer through the hydraulic oil hole along with the reduction of, the one-way valve is closed.

In foretell butter filling device for quartering hammer, the push rod is located one of hydraulic oil intracavity and is connected with the piston, the outer border of a terminal surface of piston has and is annular fender edge, should keep off along can leaning on with a tip counterbalance in the valve body, keep off and set up jaggedly on following, the one end of spring one is supported and is leaned on the disk seat, the other end supports and leans on the piston. When no high-pressure oil exists in the hydraulic oil cavity, the blocking edge abuts against one end portion in the valve body, an oil groove is formed between the blocking edge and the valve body, after the hydraulic oil enters the hydraulic oil cavity, the hydraulic oil enters the blocking edge through the notch, namely the hydraulic oil enters the oil groove, the high-pressure oil acts on the end face of the piston, the piston is pushed to move towards the side of the transition oil cavity, the push rod is further driven to move towards the side of the transition oil cavity, the force bearing area of the push rod is increased due to the arrangement of the piston, and the push rod is pushed to move by the hydraulic oil.

In the grease filling device for the quartering hammer, one end part of the valve body corresponding to the hydraulic oil cavity is connected with the first plug, and the blocking edge can abut against the first plug. Through the setting of this structure, keep off along the side counterbalance back of leaning on with the stifled head, the side of stifled head, keep off along and the terminal surface of piston constitute an oil groove, and the breach is used for the oil feed of oil groove.

In the grease filling device for the quartering hammer, the push rod is provided with the sliding sleeve which is arranged on the valve seat in a sliding mode, and one end, located in the main oil cavity, of the sliding sleeve is provided with the thickened portion which expands outwards in the radial direction. Through the setting of this structure, the setting of sliding sleeve is kept apart push rod and disk seat on the one hand, avoids the push rod to produce wearing and tearing, and thickening portion on the other hand sliding sleeve has improved the area of push rod terminal surface, and when the push rod removed towards transition oil chamber side, thickening portion's terminal surface and the terminal surface of push rod extrude the butter jointly, and the check valve is in the open mode this moment, guarantees that the butter can be crowded to transition oil intracavity.

In foretell butter filling device for quartering hammer, the check valve is including setting up the valve barrel in the transition oil chamber, the one end of valve barrel extends the main oil intracavity, and the other end is connected with the tip of valve body, the oil extraction hole has been seted up on the outer peripheral face of valve barrel, be provided with the ball in the valve barrel and can make the ball roll towards main oil chamber side and the spring two of the port of shutoff valve barrel. Through the setting of this structure, when the push rod extrudees the butter towards transition oil pocket side, the butter extrudees the ball towards oil discharge hole side for the effort that the ball was overcome spring two moves towards oil discharge hole side, and then makes the port of valve barrel be in the open mode, and the butter enters into in the valve barrel, and the butter enters into the transition oil pocket from oil discharge hole.

In the grease filling device for the quartering hammer, one end of the valve body, corresponding to the transition oil cavity, is connected with the second plug, one end of the valve sleeve is open, and the end of the valve sleeve is connected with the second plug. Through the arrangement of the structure, the valve sleeve is arranged on the second plug, one end of the second spring is abutted against the second plug, and the other end of the second spring is abutted against the ball.

In the grease filling device for the breaking hammer, the inner wall of the valve body is provided with a step surface, the step surface is positioned on the side of the transition oil cavity, one end of the valve seat abuts against the step surface, and the valve seat and the valve body are positioned through the lock pin. Through the arrangement of the structure, the valve seat and the valve body are connected together through the lock pin, and when grease is filled, the valve seat is extruded towards the side of the transition oil cavity by hydraulic oil, so that the valve seat is pressed on the step surface, and the valve seat is prevented from displacing in the grease filling process.

In the butter filling device for the quartering hammer, the second oil inlet hole is connected with the connector. Through the setting of this structure, the convenient external oil drum of connector or oil tank or oil pipe.

In the butter filling device for the quartering hammer, a first connecting hole communicated with the transition oil cavity is formed in the bottom surface of the valve body, a second connecting hole communicated with the first connecting hole and the oil outlet hole is formed in one side surface of the valve body, and a third plug is arranged at the outer ends of the first connecting hole and the second connecting hole. Through the arrangement of the structure, the transition oil cavity is communicated with the oil outlet hole through the arrangement of the first connecting hole and the second connecting hole, the first connecting hole and the second connecting hole are processing holes, and the third plug plugs the outer end of the processing hole to avoid oil leakage.

Compared with the prior art, the utility model discloses a butter filling device for quartering hammer has following advantage: this butter filling device utilizes the piston of quartering hammer to change the realization at the oil pressure of reciprocating motion in-process and provide hydraulic power to it, drives butter filling machine and annotates the butter, has improved the convenience that the butter was annotated, and this butter filling device's structural design makes it be applicable to and uses on the quartering hammer.

Drawings

Fig. 1 is one of the schematic sectional structural diagrams of the present invention.

Fig. 2 is a second schematic cross-sectional view of the present invention.

Fig. 3 is a schematic perspective view of the push rod, the sliding sleeve and the piston of the present invention.

Fig. 4 is a schematic perspective view of the present invention.

In the figure, 1, a valve body; 1a, a hydraulic oil hole; 1b, an oil inlet hole II; 1c, oil outlet holes; 1d, step surfaces; 1e, connecting a hole I; 1f, connecting a hole II; 2. a valve seat; 2a, an oil inlet hole I; 3. a hydraulic oil chamber; 4. a transition oil cavity; 5. a main oil chamber; 6. a push rod; 7. a first spring; 8. a one-way valve; 81. a valve housing; 81a, an oil drain hole; 81b, a cone-shaped opening; 82. a ball bearing; 83. a second spring; 9. a piston; 91. blocking edges; 92. a notch; 10. a first plug; 11. a sliding sleeve; 11a, a thickened portion; 12. a second plug; 13. a lock pin; 14. a connector; 15. a third plug; 16. a butter tank.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figures 1 and 2, the grease filling device for the quartering hammer comprises a valve body 1 and a valve seat 2 arranged in the valve body 1, wherein the valve seat 2 divides the interior of the valve body 1 into a hydraulic oil cavity 3 and a transition oil cavity 4, a main oil cavity 5 is arranged in the middle of the valve seat 2, the hydraulic oil cavity 3, the main oil cavity 5 and the transition oil cavity 4 are sequentially spaced along the axial direction of the valve body 1, a hydraulic oil hole 1a communicated with the hydraulic oil cavity 3 is formed in the bottom surface of the valve body 1, an oil inlet hole one 2a communicated with the main oil cavity 5 is formed in the side wall of the valve seat 2, an oil inlet hole two 1b communicated with the oil inlet hole one 2a is formed in the side wall of the valve body 1, a connector 14 is connected to the oil inlet hole two 1b, an oil outlet hole 1c communicated with the transition oil cavity 4 is formed in the bottom surface of the valve body 1, a connecting hole one 1e communicated with the oil outlet hole 1c is formed in the bottom surface, and the outer ends of the connecting hole I1 e and the connecting hole II 1f are respectively provided with a plug III 15. The grease filling device is installed on a breaking hammer for use, the hydraulic oil hole 1a is communicated with a reversing valve on the breaking hammer, the oil outlet hole 1c is communicated with a grease filling port on the breaking hammer, the oil inlet hole II 1b is connected with a grease barrel or a grease tank 16, and grease enters the main oil cavity 5 through the oil inlet hole II 1b and the oil inlet hole I2 a.

As shown in fig. 1, 2 and 3, the grease filling device further includes a push rod 6 slidably disposed on the valve seat 2, one end of the push rod 6 extends into the main oil chamber 5, a first spring 7 is sleeved on the push rod 6, one end of the push rod 6 located in the hydraulic oil chamber 3 is connected with a piston 9, an outer edge of one end surface of the piston 9 has an annular blocking edge 91, one end portion of the valve body 1 corresponding to the hydraulic oil chamber 3 is connected with a first plug 10, a notch 92 is formed in the blocking edge 91, one end of the first spring 7 abuts against the valve seat 2, the other end of the first spring abuts against the piston 9, the blocking edge 91 abuts against a side wall of the first plug 10, a sliding sleeve 11 slidably disposed on the valve seat 2 is disposed on the push rod 6, and one end of the sliding sleeve 11 located in the main oil chamber 5 has a thickened portion 11 a. In the working process of the breaking hammer, the piston continuously moves in a reciprocating mode, the oil pressure at the upper portion of the piston is converted from high pressure to low pressure, the piston is converted from high pressure to low pressure in a reciprocating mode once, high-pressure oil continuously enters the hydraulic oil cavity 3 through the hydraulic oil hole 1a, the blocking edge 91, the side wall of the first plug 10 and the end face of the piston 9 form an oil groove, when the high-pressure oil enters the hydraulic oil cavity 3, the hydraulic oil enters the blocking edge 91 through the notch 92, namely the hydraulic oil enters the oil groove, the high-pressure oil acts on the end face of the piston 9 and pushes the piston 9 to move towards the side of the transition oil cavity 4, the push rod 6 is driven to move towards the side of the transition oil cavity 4, the stress area of the push rod 6 is increased due; in the process that the push rod 6 moves towards the transitional oil cavity 4 side, the end surface of the push rod 6 and the end surface of the thickened part 11a jointly press grease in the main oil cavity 5 towards the transitional oil cavity 4; when the high pressure oil is converted into the low pressure oil, the piston 9 is restored by the elastic force of the spring 7.

As shown in fig. 1 and 2, a check valve 8 capable of controlling on-off of the main oil chamber 5 and the transition oil chamber 4 is arranged in the valve body 1, the check valve 8 includes a valve sleeve 81 arranged in the transition oil chamber 4, one end of the valve body 1 corresponding to the transition oil chamber 4 is connected with a second plug 12, one end of the valve sleeve 81 is open and is connected with the second plug 12, one end of the valve sleeve 81 extends into the main oil chamber 5, an oil discharge hole 81a is formed in the outer peripheral surface of the valve sleeve 81, a ball 82 and a second spring 83 are arranged in the valve sleeve 81, the inner diameter of the valve sleeve 81 is larger than the diameter of the ball 82, one end of the second spring 83 abuts against the second plug 12, the other end of the second spring 83 abuts against the ball 82, a port of the valve sleeve 81 located in the main oil chamber 5 is a tapered port 81b, and the ball. The end surface of the push rod 6 and the end surface of the thickened portion 11a jointly squeeze grease in the main oil cavity 5 towards the transition oil cavity 4, the grease pushes the ball 82 away, the ball 82 moves in the direction away from the conical port 81b against the action force of the spring II 83, so that the port of the valve sleeve 81 is in an open state, the grease enters the valve sleeve 81 from the conical port 81b, the grease in the valve sleeve 81 enters the transition oil cavity 4 through the oil discharge hole 81a, and the grease in the transition oil cavity 4 enters the breaking hammer through the connecting hole I1 e, the connecting hole II 1f and the oil discharge hole 1 c.

As shown in fig. 1 and 2, the inner wall of the valve body 1 has a step surface 1d, the step surface 1d is located on the transition oil chamber 4 side, one end of the valve seat 2 abuts on the step surface 1d, and the valve seat 2 and the valve body 1 are positioned by a lock pin 13. The valve seat 2 and the valve body 1 are connected together by the lock pin 13, and when grease is filled, the valve seat 2 is extruded towards the transition oil cavity 4 side by hydraulic oil, so that the valve seat 2 is pressed on the step surface 1d, and the valve seat 2 is prevented from displacing in the grease filling process.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A grease filling device for a breaking hammer comprises a valve body (1) and a valve seat (2) arranged in the valve body (1), it is characterized in that the valve seat (2) divides the interior of the valve body (1) into a hydraulic oil chamber (3) and a transition oil chamber (4), the middle part of the valve seat (2) is provided with a main oil cavity (5), the hydraulic oil cavity (3), the main oil cavity (5) and the transition oil cavity (4) are sequentially spaced along the axial direction of the valve body (1), the bottom surface of the valve body (1) is provided with a hydraulic oil hole (1a) communicated with the hydraulic oil cavity (3), the side wall of the valve seat (2) is provided with a first oil inlet hole (2a) communicated with the main oil cavity (5), the side wall of the valve body (1) is provided with a second oil inlet hole (1b) communicated with the first oil inlet hole (2a), an oil outlet (1c) communicated with the transition oil cavity (4) is formed in the bottom surface of the valve body (1); this butter filling device is still including sliding push rod (6) that sets up on disk seat (2), the one end of push rod (6) extends in main oil pocket (5), be provided with on push rod (6) and enable the other end of push rod (6) to lean on spring (7) on valve body (1) tip, be provided with in valve body (1) and control main oil pocket (5) and transition oil pocket (4) check valve (8) of break-make, when push rod (6) move towards transition oil pocket (4) side, check valve (8) are in the open mode.

2. The grease filling device for the quartering hammer is characterized in that a piston (9) is connected to one end, located in the hydraulic oil chamber (3), of the push rod (6), an annular blocking edge (91) is arranged on the outer edge of one end face of the piston (9), the blocking edge (91) can abut against one end portion in the valve body (1), a notch (92) is formed in the blocking edge (91), one end of the first spring (7) abuts against the valve seat (2), and the other end of the first spring abuts against the piston (9).

3. A grease filling device for a demolition hammer as claimed in claim 2, characterized in that a first plug (10) is connected to an end of the valve body (1) corresponding to the hydraulic oil chamber (3), and the retaining edge (91) can abut against the first plug (10).

4. A grease filling device for a demolition hammer as claimed in claim 1, characterized in that the push rod (6) is provided with a sliding sleeve (11) which is slidably arranged on the valve seat (2), the end of the sliding sleeve (11) located in the main oil chamber (5) having a radially outwardly enlarged thickening (11 a).

5. The grease filling device for the quartering hammer as claimed in claim 1, wherein the check valve (8) comprises a valve housing (81) disposed in the transition oil chamber (4), one end of the valve housing (81) extends into the main oil chamber (5), the other end is connected to the end of the valve body (1), an oil discharge hole (81a) is disposed on the outer circumferential surface of the valve housing (81), and a ball (82) and a second spring (83) which can roll the ball (82) toward the main oil chamber (5) and block the port of the valve housing (81) are disposed in the valve housing (81).

6. A grease filling device for a demolition hammer as claimed in claim 5, characterized in that a second plug (12) is connected to an end of the valve body (1) corresponding to the transition oil chamber (4), and the valve sleeve (81) is open at one end and is connected to the second plug (12).

7. A grease filling apparatus for a demolition hammer as claimed in claim 1, wherein the valve body (1) has a step surface (1d) on the inner wall thereof, the step surface (1d) is located on the transition oil chamber (4) side, one end of the valve seat (2) abuts on the step surface (1d), and the valve seat (2) and the valve body (1) are positioned by a lock pin (13).

8. A grease filling apparatus for a demolition hammer as claimed in claim 1, wherein the second oil inlet (1b) is connected with a connector (14).

9. The grease filling device for the quartering hammer according to claim 1, wherein a first connecting hole (1e) communicated with the transition oil cavity (4) is formed in the bottom surface of the valve body (1), a second connecting hole (1f) communicated with the first connecting hole (1e) and the oil outlet hole (1c) is formed in one side surface of the valve body (1), and a third plug (15) is arranged at each of the outer ends of the first connecting hole (1e) and the second connecting hole (1 f).