CN113579902B

CN113579902B - Wear repairing device for tooth tip meshing surface of opening gear of hydraulic clamp

Info

Publication number: CN113579902B
Application number: CN202111139451.XA
Authority: CN
Inventors: 杜颖
Original assignee: Xuzhou Tie Shou Hardware Tools Manufacturing Co ltd
Current assignee: Xuzhou Tie Shou Hardware Tools Manufacturing Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2021-12-17
Anticipated expiration: 2041-09-28
Also published as: CN113579902A

Abstract

The invention discloses a wear repairing device for a tooth tip meshing surface of an opening gear of a hydraulic clamp, relates to the technical field of gear repairing devices, and solves the problems that grinding fluid is easy to splash and scatter, equipment is polluted and waste is generated due to the fact that the existing gear wear repairing device supplies liquid in an interval spraying mode. A wear repairing device for a tooth tip meshing surface of a split gear of a hydraulic clamp comprises a base; the base comprises a three-jaw supporting frame and positioning rings, the base is of a circular structure, the top end of the base is fixedly welded with the three-jaw supporting frame, the top end of the three-jaw supporting frame and the middle position of the inner space are provided with two positioning rings at intervals in a vertical welding mode, and a vertical six-edge sliding shaft penetrates through and slides on the two positioning rings; six long water inlet grooves are formed in the top end section of the liquid outlet pipe in a surrounding mode. The liquid outlet pipe of the invention is linked to drive the liquid outlet pipe to lift and slide through the opening gear, which can save special matching driving force for the liquid outlet pipe, is beneficial to reducing weight of equipment and reducing power consumption and manufacturing cost.

Description

Wear repairing device for tooth tip meshing surface of opening gear of hydraulic clamp

Technical Field

The invention relates to the technical field of gear repairing devices, in particular to a wear repairing device for a tooth tip meshing surface of a split gear of a hydraulic clamp.

Background

The opening gear of the hydraulic tong can be abraded to cause the tooth point meshing surface to be sunken or burr flash to appear in the long-time use process, the tooth point meshing surface needs to be polished and repaired for ensuring the normal use of the hydraulic tong, and the gear abrasion repairing device can be used.

For example, patent No. CN201921035847.8 discloses a polishing device for repairing abrasion of a gear rack of a fiber conversion valve, which comprises a workbench, wherein a cavity is formed in the workbench, a polishing mechanism is fixedly connected in the cavity, two symmetrically distributed supporting blocks are fixedly connected to the upper surface of the workbench, pneumatic clamps are fixedly connected to opposite sides of the two supporting blocks, a clamping plate is fixedly connected to one end of each pneumatic clamp far away from the supporting block, a first sliding block is fixedly connected to the bottom of the clamping plate, and a first sliding groove in matching connection with the first sliding block is formed in the upper surface of the workbench; the grinding mechanism comprises a telescopic cylinder fixedly connected with the side wall of the cavity, and one end of the telescopic cylinder is fixedly connected with a push block. The gear rack polishing device can conveniently and effectively polish the gear and the repaired gear rack, improves polishing efficiency and polishing quality, and can conveniently adjust the distance between two polishing sheets and the application range.

The optimal design of the grinding fluid discharge mechanism of the conventional gear wear repairing device is not reasonable enough, the grinding fluid is mostly normally-open injected, the excessive discharge of the grinding fluid is wasted, and in addition, because the discharge assembly (namely a spray pipe) of the grinding fluid is mostly not in direct contact with the tooth plates of the gears, the fluid is supplied in an interval injection mode, the grinding fluid is easy to splash and scatter, the equipment is dirtied and the waste is generated.

Disclosure of Invention

The invention aims to provide a wear repairing device for a tooth tip meshing surface of an opening gear of a hydraulic clamp, which aims to solve the problems that grinding fluid is easy to splash and scatter, equipment is polluted and waste is generated due to the fact that the liquid is supplied in an interval spraying mode in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a wear repairing device for a tooth tip meshing surface of a split gear of a hydraulic clamp comprises a base; the base comprises a three-jaw supporting frame and positioning rings, the base is of a circular structure, the top end of the base is fixedly welded with the three-jaw supporting frame, the top end of the three-jaw supporting frame and the middle position of the inner space are provided with the two positioning rings at intervals in a vertical welding mode, the two positioning rings are provided with a vertical six-edge sliding shaft in a penetrating and sliding mode, and a rectangular grinding fluid box is welded above the top end of the three-jaw supporting frame; six long water inlet grooves are formed in the top end section of the liquid outlet pipe in a surrounding mode, and the bottom opening of the liquid outlet pipe is vertically opposite to the outer ring toothed sheet of the opening gear; the sand strip keeps a distance with the opening gear in the initial sliding state, the sand strip is made by mixing diamond and resin, and the tooth surface of the opening gear slides upwards to be in frictional contact with the sand strip; the top end of the rear half part of the base is provided with a motor in a locking way; a hexagonal sliding shaft; the six-edge sliding shaft comprises a supporting ring, the supporting ring is horizontally welded on the top end section of the six-edge sliding shaft, a positioning column is welded and supported at the center of the top end of the supporting ring, a notch on the opening gear is matched and clamped with the positioning column, and the opening gear abuts against and is supported at the top end of the supporting ring; the base also comprises a mounting frame, and the top end of the three-jaw supporting frame is provided with two U-shaped mounting frames which are welded and supported at intervals up and down; the vertical support mounting plates are welded in the middle positions of the two mounting frames, one sand bar is tightly mounted on each vertical support mounting plate, and the vertical support mounting plates provide convenience for locking and mounting the sand bars; the base further comprises a water receiving disc, the top end of the inner space of the three-jaw support frame is supported and welded with a round water receiving disc, the water receiving disc is located at the bottom of the support ring at intervals, a shaft sleeve is welded and supported at the center of the support ring and matched with the hexagonal sliding shaft in a penetrating and sleeving manner, and the water receiving disc can contain grinding fluid dropping from the opening gear, so that the water receiving disc is convenient to recycle and can avoid short circuit and burnout caused by the fact that the grinding fluid drops on the motor; the hexagonal sliding shaft comprises a driving strip, the bottommost part of the hexagonal sliding shaft is horizontally welded with the driving strip, and the driving strip is provided with a sliding groove in a penetrating manner; the top pressing piece is welded and supported at the topmost end of the hexagonal sliding shaft, and a top pressing piece is sleeved on the threaded column in a meshing manner; the motor comprises a rotating wheel, the rotating shaft of the motor is sleeved with the rotating wheel, a shifting shaft is supported and welded on the circumferential outer ring of the rotating wheel and is correspondingly matched with a sliding groove in the driving strip in an inserting manner, and the motor can rotatably drive the six-edge sliding shaft and the opening gear to slide up and down to be in contact with the sand strip for grinding and repairing the tooth surface and the tooth tip through the power transmission of the rotating wheel and the shifting shaft on the rotating wheel; the grinding fluid box comprises a sleeve, and the middle position of the bottom of the grinding fluid box is welded and communicated with the sleeve; the inner part of the sleeve is provided with a liquid outlet pipe in a penetrating and sliding way through a spring pushing; the grinding fluid box also comprises a circular baffle, the top end of the liquid outlet pipe is fixedly welded with the circular baffle, and the circular baffle slides downwards to abut against the top end opening of the sleeve; the whole top pressure piece comprises a bottom pressure ring, a top thread ring and six L-shaped supporting plates welded between the two ring bodies in a surrounding mode, wherein the bottom pressure ring is pushed by the threads to slide downwards to be in abutting contact with the opening gear, and the top pressure piece can be used for pressing and fixing the opening gear to be used for grinding.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the sleeve can be blocked and sealed when the liquid outlet pipe slides downwards and resets through the circular baffle, so that the leakage of grinding fluid is avoided, and convenience is provided for the normal implementation of the intermittent liquid supply function of the liquid outlet pipe;

2. when the open gear slides upwards, the open gear can be abutted against and contacted with the liquid outlet pipe and driven to move upwards, the liquid outlet pipe moves upwards to drive the top end section of the liquid outlet pipe to slide upwards and separate from the sleeve, and at the moment, grinding fluid can be introduced into the six long water inlet grooves, so that the grinding fluid is discharged downwards along the liquid outlet pipe and is guided out of the outer ring tooth sheet of the open gear, and further the liquid outlet pipe can be driven to lift and slide by utilizing the sliding grinding force of the open gear to intermittently supply liquid, so that the waste of the grinding fluid is favorably reduced compared with the conventional repairing device for normally-open liquid spraying;

3. the liquid outlet pipe is driven to lift and slide by the linkage of the opening gear, so that special matched driving force for the liquid outlet pipe can be saved, the weight of equipment is reduced, and the power consumption and the manufacturing cost are reduced;

4. the liquid outlet pipe starts to discharge the grinding liquid when the liquid outlet pipe is abutted against and contacted with the opening gear, so that the grinding liquid can directly flow and contact with the tooth plate of the opening gear, and compared with a traditional non-contact spraying liquid supply mode, the liquid splashing can be avoided, equipment is kept relatively clean, and splashing waste is avoided;

5. the spacing between the sand bars and the opening gear can facilitate the sliding disassembly and assembly of the opening gear.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the rear three-dimensional structure of the present invention;

FIG. 3 is a schematic bottom three-dimensional structure of the present invention;

FIG. 4 is a schematic structural view of a six-sided sliding shaft according to the present invention;

FIG. 5 is a schematic view of the structure of the runner of the present invention;

FIG. 6 is a schematic view of a cutaway internal structure of the grinding fluid tank of the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 8 is a schematic view of the structure of the drain pipe of the present invention;

FIG. 9 is an enlarged view of portion B of FIG. 8 according to the present invention;

FIG. 10 is a schematic view of the half-section internal structure of the casing according to the present invention;

in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 101. a three-jaw support frame; 102. installing a frame; 103. a vertical support mounting plate; 104. a positioning ring; 105. a water pan; 2. a hexagonal sliding shaft; 201. a drive bar; 202. a ring; 203. a jacking member; 3. a motor; 301. a rotating wheel; 4. a shedding gear; 5. sand strip; 6. a grinding fluid tank; 601. a sleeve; 602. a liquid outlet pipe; 603. a circular baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 7, according to a first embodiment of the present invention: a wear repairing device for a tooth tip meshing surface of a split gear of a hydraulic clamp comprises a base 1; the base 1 comprises a three-jaw supporting frame 101 and positioning rings 104, the base 1 is of a circular structure, the top end of the base 1 is fixedly welded with the three-jaw supporting frame 101, the top end of the three-jaw supporting frame 101 and the middle position of the inner space are provided with two positioning rings 104 at intervals in a vertical welding mode, the two positioning rings 104 penetrate through and slide a vertical hexagonal sliding shaft 2, and a rectangular grinding fluid box 6 is welded above the top end of the three-jaw supporting frame 101; a space is kept between the sand strip 5 and the opening gear 4 in the initial sliding state, the sand strip 5 is made by mixing diamond and resin, and the tooth surface of the opening gear 4 slides upwards to be in frictional contact with the sand strip 5; the spacing between the sand bars 5 and the opening gear 4 can facilitate the sliding assembly and disassembly of the opening gear 4; the top end of the rear half part of the base 1 is provided with a motor 3 in a locking way; a hexagonal sliding shaft 2; the hexagonal sliding shaft 2 comprises a supporting ring 202, the supporting ring 202 is horizontally welded on the top end section of the hexagonal sliding shaft 2, a positioning column is welded and supported at the center of the top end of the supporting ring 202, a notch on the opening gear 4 is matched and clamped with the positioning column, and the opening gear 4 is abutted against and supported at the top end of the supporting ring 202; the hexagonal sliding shaft 2 comprises a driving strip 201, the bottommost part of the hexagonal sliding shaft 2 is horizontally welded with the driving strip 201, and the driving strip 201 is provided with a sliding groove in a penetrating manner; the top pressing piece 203 is formed by welding and supporting a threaded column at the topmost end of the hexagonal sliding shaft 2, and the top pressing piece 203 is sleeved on the threaded column in a meshing manner; the whole jacking piece 203 consists of a bottom compression ring, a top thread ring and six L-shaped supporting plates which are circumferentially welded between the two ring bodies, wherein the bottom compression ring threads push the lower slide to be in abutting contact with the opening gear 4; the base 1 also comprises a mounting frame 102, and the top end of the three-jaw supporting frame 101 is welded and supported with two U-shaped mounting frames 102 at intervals up and down; the middle positions of the two mounting frames 102 are welded with one vertical support mounting plate 103, and a sand bar 5 is tightly mounted on the vertical support mounting plate 103.

Further, the base 1 further comprises a water receiving tray 105, the top end position of the inner space of the three-jaw support frame 101 is supported and welded with a round water receiving tray 105, the water receiving trays 105 are arranged at the bottom of the support ring 202 at intervals, a shaft sleeve is welded and supported at the center of the support ring 202, and the shaft sleeve is in fit with the hexagonal sliding shaft 2 in a penetrating manner; the motor 3 comprises a rotating wheel 301, the rotating shaft of the motor 3 is sleeved with the rotating wheel 301, a poking shaft is supported and welded on the outer circle of the circumference of the rotating wheel 301, and the poking shaft is correspondingly matched with the sliding groove in the driving strip 201 in an inserting mode.

Furthermore, six long water inlet grooves are arranged on the top end section of the liquid outlet pipe 602 in a surrounding manner, the bottom opening of the liquid outlet pipe 602 is opposite to the outer ring teeth of the opening gear 4 up and down, the opening gear 4 can be abutted against the liquid outlet pipe 602 and drives the liquid outlet pipe to move upwards when sliding upwards, the liquid outlet pipe 602 moves upwards to drive the top end section of the liquid outlet pipe to slide upwards and separate from the sleeve 601, grinding liquid can be introduced into the six long water inlet grooves, the grinding liquid is discharged out of the outer ring teeth of the opening gear 4 along the liquid outlet pipe 602, and therefore the liquid outlet pipe 602 can drive lifting sliding to perform intermittent liquid supply by utilizing the sliding grinding force of the opening gear 4, compared with the conventional repairing device for normally-open liquid spraying, waste of the grinding liquid is reduced, the liquid outlet pipe 602 drives lifting sliding by the linkage of the opening gear 4, a special driving force for the liquid outlet pipe 602 is omitted, weight reduction of the device is facilitated, and power consumption and cost are reduced, in addition, the liquid outlet pipe 602 starts to discharge the grinding liquid when abutting against and contacting with the opening gear 4, so that the grinding liquid can directly flow and contact with the tooth sheets of the opening gear 4, and compared with a traditional non-contact spraying liquid supply mode, the liquid splashing can be avoided, equipment is kept relatively clean, and splashing waste is avoided.

Referring to fig. 8 to 9, a second embodiment of the present invention: the wear repairing device for the tooth tip meshing surface of the opening gear of the hydraulic clamp comprises a grinding fluid box 6, wherein the grinding fluid box 6 comprises a sleeve 601, and the middle position of the bottom of the grinding fluid box 6 is welded and communicated with the sleeve 601; the liquid outlet pipe 602 is slidably mounted inside the sleeve 601 through spring pushing, the liquid outlet pipe 602 is used for discharging grinding fluid, and a spring on the liquid outlet pipe 602 can automatically rebound, push and move down to reset after the opening gear 4 slides downwards to be separated from the liquid outlet pipe 602.

Referring to fig. 10, a third embodiment of the present invention: the utility model provides a wear repair device of opening gear tooth point mating surface of hydraulic tong, still include grinding fluid case 6, grinding fluid case 6 still includes circular baffle 603, the top welded fastening of drain pipe 602 has a circular baffle 603, this circular baffle 603 gliding supports on the top opening in sleeve pipe 601, through circular baffle 603, drain pipe 602 can support sleeve pipe 601 to keep off when gliding to reset and seal down, avoid the grinding fluid leakage, this provides convenience for the normal implementation of drain pipe 602 intermittent type nature confession liquid function.

The working principle is as follows: firstly, matching and clamping a notch on the split gear 4 with a positioning column at the top end of the hexagonal sliding shaft 2 and abutting against and supporting the top end of the supporting ring 202, and pressing and fixing the split gear 4 through a pressing piece 203; through the power transmission of the rotating wheel 301 and the shifting shaft thereon, the motor 3 can rotate to drive the six-edge sliding shaft 2 and the opening gear 4 to slide up and down to be in contact with the sand bars 5 for grinding and repairing the tooth surface and the tooth tips, the opening gear 4 can be abutted against and contacted with the liquid outlet pipe 602 and drive the opening gear to move up when sliding up, the liquid outlet pipe 602 moves up to drive the top end section of the liquid outlet pipe to slide up and separate from the sleeve 601, at the moment, the six long strip water inlet grooves can be filled with grinding liquid, so that the grinding liquid is discharged downwards along the liquid outlet pipe 602 and is guided out of the outer ring tooth sheet of the opening gear 4, and the liquid outlet pipe 602 can drive the lifting sliding to perform intermittent liquid supply by utilizing the sliding grinding force of the opening gear 4;

the spring on the liquid outlet pipe 602 can automatically rebound, push and move downwards to reset the liquid outlet pipe 602 after the opening gear 4 slides downwards and is separated from the liquid outlet pipe 602, and the liquid outlet pipe 602 can abut and seal the sleeve 601 through the circular baffle 603 when sliding downwards to reset, so that the leakage of grinding fluid is avoided.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a wear repair device of opening gear tooth point engaging surface of hydraulic tong which characterized in that: a wear repair device comprising: a base (1); the base (1) comprises a three-jaw supporting frame (101) and positioning rings (104), the base (1) is of a circular structure, the top end of the base is fixedly welded with the three-jaw supporting frame (101), the top end of the three-jaw supporting frame (101) and the middle position of an inner space are provided with the two positioning rings (104) in an up-and-down interval welding mode, the two positioning rings (104) are provided with a vertical six-edge sliding shaft (2) in a penetrating and sliding mode, and a rectangular grinding fluid box (6) is welded above the top end of the three-jaw supporting frame (101); the top end of the rear half part of the base (1) is provided with a motor (3) in a locking way; a hexagonal sliding shaft (2); the six-edge sliding shaft (2) comprises a supporting ring (202), the supporting ring (202) is horizontally welded on the top end section of the six-edge sliding shaft (2), a positioning column is welded and supported at the center of the top end of the supporting ring (202), a notch on the opening gear (4) is matched and clamped with the positioning column, and the opening gear (4) abuts against and is supported at the top end of the supporting ring (202);

the base (1) further comprises: the top end of the three-jaw supporting frame (101) is provided with two U-shaped mounting frames (102) which are welded and supported at intervals up and down; the vertical support mounting plate (103) is welded in the middle of the two mounting frames (102), and a sand bar (5) is tightly mounted on the vertical support mounting plate (103);

the base (1) further comprises a water receiving disc (105), the top end of the inner space of the three-jaw support frame (101) is supported and welded with a round water receiving disc (105), the water receiving discs (105) are located at the bottom of the support ring (202) at intervals, the center of the support ring (202) is welded and supported with a shaft sleeve, and the shaft sleeve is matched with the hexagonal sliding shaft (2) in a penetrating and sleeving manner;

the hexagonal sliding shaft (2) includes: the bottommost part of the hexagonal sliding shaft (2) is horizontally welded with a driving strip (201), and the driving strip (201) is provided with a sliding groove in a penetrating mode; the top pressing piece (203), the topmost end of the hexagonal sliding shaft (2) is welded and supported with a threaded column, and the threaded column is engaged and sleeved with the top pressing piece (203);

the whole jacking member (203) is composed of a bottom compression ring, a top thread ring and six L-shaped supporting plates which are circumferentially welded between the two ring bodies, wherein the bottom compression ring threads push the lower slide to be in abutting contact with the opening gear (4);

the motor (3) comprises a rotating wheel (301), the rotating shaft of the motor (3) is sleeved with the rotating wheel (301), a shifting shaft is welded on the circumferential outer ring of the rotating wheel (301) in a supporting mode, and the shifting shaft is correspondingly matched with a sliding groove in the driving strip (201) in an inserting mode;

the grinding fluid tank (6) comprises: the middle position of the bottom of the grinding fluid box (6) is welded and communicated with a sleeve (601); the liquid outlet pipe (602) is arranged in the sleeve (601) in a penetrating and sliding manner through a spring pushing manner;

the grinding fluid box (6) further comprises a circular baffle (603), the top end of the liquid outlet pipe (602) is fixedly welded with the circular baffle (603), and the circular baffle (603) slides downwards to abut against the top end opening of the sleeve (601);

six long water inlet grooves are formed in the top end section of the liquid outlet pipe (602) in a surrounding mode, and the bottom opening of the liquid outlet pipe (602) is vertically opposite to the outer ring toothed sheet of the opening gear (4);

the sand strip (5) keeps a distance with the opening gear (4) in the initial sliding state, the sand strip (5) is made by mixing diamond and resin, and the tooth surface of the opening gear (4) slides upwards to be in frictional contact with the sand strip (5).