CN113681089B

CN113681089B - Grinding device for tooth tip meshing surface of opening gear of hydraulic clamp

Info

Publication number: CN113681089B
Application number: CN202111244478.5A
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: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-02-08
Anticipated expiration: 2041-10-26
Also published as: CN113681089A

Abstract

The invention discloses a polishing device for a tooth point meshing surface of an opening gear of a hydraulic clamp, which comprises a repairing box, wherein the bottom of the repairing box is fixedly connected with a supporting rack, a polishing opening is arranged on the right end face of the repairing box, a polishing mechanism is arranged on the repairing box, an automatic locking component is arranged between the polishing mechanism and the repairing box, the grinding mechanism comprises a grinding tool, a tooth socket, a tooth tip, an opening gear, a resisting roller, a control groove, a movable block and a hydraulic cylinder, after the opening gear extends into the control groove, the grinding tool is lifted upwards by the pull rod, the clamping plate extends into the clamping groove, the tooth tips of the open gear extend into the tooth grooves at the moment, the hydraulic cylinder is started, so that the hydraulic rod drives the movable block to move up and down, thereby make the prong on the opening gear on the control groove of movable block constantly up-and-down reciprocating motion, thereby the prong constantly rubs with the sand cover and is polished, adopts this kind of mode of polishing to avoid the problem that the size error that efficiency was slow and polished when traditional manual emery wheel polished is difficult to control.

Description

Grinding device for tooth tip meshing surface of opening gear of hydraulic clamp

Technical Field

The invention relates to the technical field of hydraulic tongs, in particular to a polishing device for a tooth point meshing surface of a split gear of a hydraulic tong.

Background

The hydraulic pliers refer to a special hydraulic tool which is specially used for crimping cables and wiring terminals in electric power engineering. Including integrated, split, motorized, manual, etc.

The split gear of the hydraulic pliers generally has the service life of about 6 months, belongs to a part easy to damage and consume, and in the long-term use process, the tooth tip of the split gear is often required to be repaired and welded, the split gear is required to be preheated before repair and welding, heat treatment is required to be carried out in time after welding, the welded tooth tip is required to be polished after heat treatment is completed, the traditional method is that polishing is carried out through a manual grinding wheel, but the polishing efficiency of the manual grinding wheel is low, and the polishing size error is difficult to control.

Therefore, a grinding device for the tooth tip engaging surface of the shedding gear of the hydraulic clamp is provided.

Disclosure of Invention

The invention aims to provide a polishing device for a tooth tip meshing surface of a shedding gear of a hydraulic clamp, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a grinding device for an opening gear tooth tip meshing surface of hydraulic pliers comprises a repairing box, wherein the bottom of the repairing box is fixedly connected with a supporting rack, a grinding opening is formed in the right end surface of the repairing box, a grinding mechanism is arranged on the repairing box, and an automatic locking assembly is arranged between the grinding mechanism and the repairing box;

grinding machanism includes grinding apparatus, tooth's socket, supports roller, control groove, movable block, pneumatic cylinder, the opening part swing joint that polishes of restoreing case right-hand member face has the grinding apparatus, the grinding apparatus left side sets up to indent groove, and this indent inslot equidistance is arc distribution and has seted up a plurality of tooth's sockets, tooth's socket and tooth point meshing, tooth point fixed connection is on the opening gear, the opening gear stretches into and supports roller and sliding connection, support the eccentric fixed connection of roller inside the control groove, the control groove is seted up in the movable block, the laminating of movable block right-hand member is repairing incasement surface left end lateral wall and sliding connection, fixed connection hydraulic stem of terminal surface center department under the movable block, and hydraulic stem lower extreme fixed connection is on the pneumatic cylinder, pneumatic cylinder fixed connection is in restoreing incasement surface bottom.

Preferably, the inner wall of the tooth socket is bonded with a sand sleeve, and a plurality of grinding gravels are densely distributed on the outer surface of the sand sleeve.

Preferably, a set of spacing groove has been seted up respectively to restoration incasement surface both sides, a set of gag lever post of symmetry fixedly connected with respectively in the grinding apparatus both sides, every group the gag lever post stretches into a set of gag lever post and swing joint, grinding apparatus bottom fixedly connected with limiting plate, the limiting plate stretches into a set of slide opening and sliding connection, the slide opening is seted up at restoration bottom of the case portion right-hand member, the draw-in groove has been seted up in the limiting plate, the draw-in groove has stretched into the cardboard, the draw-in groove one end is kept away from to the cardboard runs through and stretches out slide opening and sliding connection, grinding apparatus lateral surface fixedly connected with pull rod.

Preferably, the automatic dead subassembly of locking is including locking storehouse, pinion rack, reset spring, half gear, L board, a set of lock storehouse has been seted up respectively to the front side and the rear side of movable block, and is two sets of the internal surface of one side that the lock storehouse is close to mutually runs through and stretches out and sliding connection has the pinion rack, pinion rack left end face fixedly connected with connecting plate, and fixedly connected with reset spring on the connecting plate, reset spring upper end fixed connection is at the internal surface top of one side is kept away from mutually in two sets of lock storehouses, a plurality of racks of pinion rack right-hand member equidistance fixedly connected with, and a plurality of rack toothing are connected with half gear, half gear runs through and rotates and is connected with the bull stick, and bull stick fixed connection is at locking storehouse inner wall, half gear does not have tooth department fixedly connected with L board, L board runs through and stretches out lock storehouse right-hand member and swing joint.

Preferably, be provided with the battery in the movable block, seted up the wind storehouse in the movable block, fixedly connected with fan in the wind storehouse, communicate through the wire between fan and the battery, the exhaust vent has been seted up on the wind storehouse right side, exhaust vent and fan central point put correspondingly, and the exhaust vent faces the tooth point of the split gear.

Preferably, a power supply bin is arranged in the moving block, a storage battery is placed in the power supply bin, and a cover plate is movably connected to the power supply bin.

Preferably, the control storehouse has been seted up to the movable block, control storehouse and control flume are adjacent to be set up, and the first conducting strip of control storehouse internal surface left side fixedly connected with, first conducting strip passes through the fixed intercommunication of wire on the battery, first conducting strip contact has the second conducting strip, second conducting strip right-hand member face fixedly connected with insulating block, the insulating block right-hand member runs through and stretches out the control storehouse and contact with the opening gear, second conducting strip right-hand member fixedly connected with insulating spring, insulating spring fixed connection is in the control storehouse, the second conducting strip passes through wire and battery fixed connection, and the second conducting strip is through the fixed intercommunication of another group wire and fan.

Preferably, a liquid tank is arranged in the side wall of the repair box, a liquid inlet is formed in the liquid tank, a rubber plug is plugged in the liquid inlet, a filtrate hole is formed in the bottom of the inner surface of the liquid tank, a filter arc piece is fixedly connected in the filtrate hole, and a plurality of pores are formed in the filter arc piece.

Preferably, the filtrating hole upper end is seted up flutedly, and the downthehole sliding connection of filtrating has a piston, three link rods of piston fixedly connected with, cistern and sliding connection are stretched out to three link rod one end, the triple rod other end runs through to stretch into restores case and sliding connection, restore two sets of backup pads of fixedly connected with on the case up end, and is two sets of swing joint has the loose axle between the backup pad, the quarter butt in the middle of three link rods is run through and is passed through torsional spring torsion connection, every group a set of rectangular channel has been seted up in the backup pad, a set of rectangular channel and sliding connection are stretched into respectively at the loose axle both ends.

Preferably, a plurality of groups of flow guide holes are formed in the upper end face of the grinding tool, one ends of the plurality of groups of flow guide holes extend out of the tooth sockets and are fixedly connected with the tooth sockets, a plurality of groups of round holes are formed in the sand sleeve, and each group of round holes corresponds to one end of each group of flow guide holes extending out of the tooth sockets.

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

1. according to the invention, by designing the grinding mechanism, when the grinding mechanism works, after the opening gear extends into the control groove, the grinding tool is lifted upwards through the pull rod, the clamping plate extends into the clamping groove, the tooth tip of the opening gear extends into the tooth groove at the moment, the sand sleeve is convenient to replace due to the design of bonding of the sand sleeve on the tooth groove, the hydraulic cylinder is started, so that the hydraulic rod drives the movable block to move up and down, the tooth tip on the opening gear on the control groove of the movable block continuously moves up and down in a reciprocating manner, and the tooth tip continuously rubs with the sand sleeve to be ground, and the problems of low efficiency and difficulty in control of grinding dimensional errors during grinding of the traditional manual grinding wheel are solved by adopting the grinding mode; according to the invention, the hydraulic cylinder is designed to stop working, the clamping plate is taken down, and the pull rod is pulled manually to enable the grinding tool to move up and down continuously, so that the sand sleeve on the tooth socket in the grinding tool continuously rubs with the tooth tip of the opening gear, thereby grinding the tooth tip.

Drawings

FIG. 1 is an overall cross-sectional view of the present invention;

FIG. 2 is a right side view of the present invention;

FIG. 3 is an overall structural view of the shedding gear of the present invention;

FIG. 4 is a top cross-sectional view of the motion block of the present invention;

FIG. 5 is a top view of an abrasive article of the present invention;

FIG. 6 is an overall structural view of the resist roller of the present invention;

FIG. 7 is an enlarged view of A of FIG. 4 in accordance with the present invention;

FIG. 8 is an enlarged view of B of FIG. 1 in accordance with the present invention;

FIG. 9 is an enlarged view of C of FIG. 1 in accordance with the present invention;

FIG. 10 is an enlarged view of D of FIG. 5 of the present invention;

fig. 11 is an enlarged view of E of fig. 1 of the present invention.

In the figure:

1. repairing the box; 2. a polishing mechanism; 21. an abrasive article; 22. a tooth socket; 23. a tooth tip; 24. a shedding gear; 25. a roller is abutted; 26. a control slot; 27. a moving block; 28. a hydraulic cylinder; 3. sand sheathing; 4. a limiting groove; 41. a limiting rod; 42. a limiting plate; 43. a slide hole; 44. a card slot; 45. clamping a plate; 46. a pull rod; 5. an auto-locking assembly; 51. locking the bin; 52. a toothed plate; 53. a return spring; 54. a half gear; 55. an L plate; 6. a storage battery; 61. a wind bin; 62. a fan; 63. an air outlet; 601. a power supply bin; 602. a cover plate; 7. a control cabin; 71. a first conductive sheet; 72. a second conductive sheet; 73. an insulating block; 74. an insulating spring; 8. a liquid bath; 81. a filtrate well; 83. arc filtering sheets; 9. a groove; 91. a piston; 92. a triple link; 93. a support plate; 931. a rectangular groove; 100. and (4) flow guide holes.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 11, the present invention provides a technical solution:

a grinding device for a tooth point meshing surface of an opening gear of a hydraulic clamp comprises a repairing box 1, wherein the bottom of the repairing box 1 is fixedly connected with a supporting rack, a grinding opening is formed in the right end face of the repairing box 1, a grinding mechanism 2 is arranged on the repairing box 1, and an automatic locking assembly 5 is arranged between the grinding mechanism 2 and the repairing box 1; the grinding mechanism 2 comprises a grinding tool 21, a tooth groove 22, a resisting roller 25, a control groove 26, a movable block 27 and a hydraulic cylinder 28, a grinding tool 21 is movably connected with a grinding opening on the right end face of the repair box 1, the left side of the grinding tool 21 is provided with an inner concave groove, and a plurality of tooth sockets 22 are distributed in the inner concave groove in an arc shape at equal intervals, the tooth sockets 22 are meshed with the tooth tips 23, the tooth tip 23 is fixedly connected to a shedding gear 24, the shedding gear 24 extends into a roller 25 and is connected in a sliding manner, the resisting roller 25 is eccentrically and fixedly connected inside a control groove 26, the control groove 26 is arranged in a movable block 27, the right end of the movable block 27 is attached to the left side wall of the inner surface of the repair box 1 and is connected with the left side wall in a sliding manner, the center of the lower end surface of the movable block 27 is fixedly connected with a hydraulic rod, and the lower end of the hydraulic rod is fixedly connected to a hydraulic cylinder 28, and the hydraulic cylinder 28 is fixedly connected to the bottom of the inner surface of the repair box 1.

As an embodiment of the present invention, as shown in fig. 10, a sand sleeve 3 is adhered to an inner wall of the tooth slot 22, and a plurality of grinding grits are densely distributed on an outer surface of the sand sleeve 3.

During operation, the design of the sand sleeve 3 is convenient for polishing the opening gear 24, and the design of bonding the sand sleeve 3 on the tooth grooves 22 is convenient for replacing the sand sleeve 3.

As an embodiment of the invention, as shown in fig. 1 and fig. 2, two sides of an inner surface of the repair box 1 are respectively provided with a set of limiting grooves 4, two sides of the grinding tool 21 are respectively and symmetrically and fixedly connected with a set of limiting rods 41, each set of limiting rods 41 extends into one set of limiting grooves 4 and is movably connected, the bottom of the grinding tool 21 is fixedly connected with a limiting plate 42, the limiting plate 42 extends into a set of sliding holes 43 and is connected in a sliding manner, the sliding holes 43 are arranged at the right end of the bottom of the repair box 1, a clamping groove 44 is arranged in the limiting plate 42, the clamping groove 44 extends into a clamping plate 45, one end of the clamping plate 45, which is far away from the clamping groove 44, penetrates through the sliding holes 43 and is connected in a sliding manner, and the outer side surface of the grinding tool 21 is fixedly connected with a pull rod 46.

The during operation, pneumatic cylinder 28 stop work, take off cardboard 45, thereby it constantly reciprocates to make grinding apparatus 21 through manual pulling pull rod 46, thereby make the continuous tooth point 23 friction with opening gear 24 of sand cover 3 on the tooth's socket 22 in the grinding apparatus 21, thereby polish tooth point 23, adopt this kind of mode need not to consume the energy and use electrical apparatus, it is more energy-concerving and environment-protective, and the problem that the size error of efficiency is slow and polishing is difficult to control when still can having avoided traditional manual emery wheel to polish, and adopt this kind of mode can be applicable to the country that voltage grade and frequency that foreign and china used use are different, thereby be convenient for the device's popularization.

As an embodiment of the present invention, as shown in fig. 4 and 7, the automatic dead-locking assembly 5 includes a lock chamber 51, a toothed plate 52, a return spring 53, a half gear 54, and an L plate 55, wherein a set of lock chambers 51 are respectively disposed on the front side and the rear side of the moving block 27, inner surfaces of the two sets of lock chambers 51 close to each other extend through and are slidably connected with the toothed plate 52, a connecting plate is fixedly connected to a left end surface of the toothed plate 52, the return spring 53 is fixedly connected to the connecting plate, an upper end of the return spring 53 is fixedly connected to tops of inner surfaces of the two sets of lock chambers 51 far from each other, a plurality of racks are fixedly connected to a right end surface of the toothed plate 52 at equal intervals, the plurality of racks are engaged with the half gear 54, the half gear 54 is rotatably connected to a rotating rod through the half gear 54, the rotating rod is fixedly connected to an inner wall of the lock chamber 51, the L plate 55 is fixedly connected to a non-tooth position of the half gear 54, the L-shaped plate 55 penetrates out of the right end of the lock cabin 51 and is movably connected with the lock cabin.

During operation, in the process that opening gear 24 stretches into control groove 26, opening gear 24's side extrusion pinion rack 52, pinion rack 52 is extrudeed and is slided to lock storehouse 51, the half gear 54 of pinion rack 52 meshing rotates, thereby make L board 55 use the half gear 54 axle center to carry out the arc and move as the axle, when opening gear 24 left end supports at the movable block 27 inner wall, two sets of L boards 55 just support in opening gear 24 both sides this moment, thereby can effectively prevent to take place lateral displacement when receiving pressure to opening gear 24, and also can share the effort that receives when relative slip is polished between grinding apparatus 21 and the prong 23 of opening gear 24.

As an embodiment of the present invention, as shown in fig. 1 and 8, a storage battery 6 is disposed in the movable block 27, a wind chamber 61 is disposed in the movable block 27, a fan 62 is fixedly connected in the wind chamber 61, the fan 62 is communicated with the storage battery 6 through a wire, a wind outlet 63 is disposed at the right side of the wind chamber 61, the wind outlet 63 corresponds to the center of the fan 62, and the wind outlet 63 faces the tooth tip 23 of the opening gear 24.

In operation, the battery 6 supplies power to the fan 62, and the fan 62 operates to rotate to generate wind energy which is blown to the tooth tip 23 of the split gear 24 and the grinding tool 21 through the air outlet 63, so that the heat generated by the tooth tip 23 of the split gear 24 being ground and the residual heat after the split gear 24 is repaired and welded are gradually cooled, and delayed cracks generated by the repair-welded tooth tip 23 of the split gear 24 are avoided, and the quality of the repair-welded tooth tip 23 on the split gear 24 is improved.

As an embodiment of the present invention, as shown in fig. 1, a power supply bin 601 is disposed in the moving block 27, a storage battery 6 is disposed in the power supply bin 601, and a cover plate 602 is movably connected to the power supply bin 601.

In operation, the storage battery 6 can be replaced in time by opening the cover plate 602.

As an embodiment of the present invention, as shown in fig. 1 and 9, the moving block 27 is provided with a control cabin 7, the control cabin 7 is disposed adjacent to the control groove 26, a first conducting strip 71 is fixedly connected to the left side of the inner surface of the control cabin 7, the first conducting strip 71 is fixedly connected to the battery 6 through a wire, the first conducting strip 71 contacts a second conducting strip 72, the right end surface of the second conducting strip 72 is fixedly connected to an insulating block 73, the right end of the insulating block 73 extends out of the control cabin 7 and contacts with the opening gear 24, the right end of the second conducting strip 72 is fixedly connected to an insulating spring 74, the insulating spring 74 is fixedly connected to the control cabin 7, the second conducting strip 72 is fixedly connected to the battery 6 through a wire, and the second conducting strip 72 is fixedly connected to the fan 62 through another group of wires.

During operation, when the left end of the opening gear 24 just abuts against the inner wall of the moving block 27, the insulating block 73 is extruded by the opening gear 24 and moves in the control cabin 7, so that the second conducting strip 72 and the first conducting strip 71 which are fixedly connected with the insulating block 73 are attached and contacted, and an electrifying loop between the storage battery 6 and the fan 62 is switched on, so that the storage battery 6 supplies power to the fan 62 in time.

As an embodiment of the present invention, as shown in fig. 11, a liquid tank 8 is disposed in an upper side wall of the repair box 1, a liquid inlet is disposed on the liquid tank 8, a rubber plug is plugged on the liquid inlet, a filtrate hole 81 is disposed at a bottom of an inner surface of the liquid tank 8, a filter arc piece 83 is fixedly connected in the filtrate hole 81, and a plurality of pores are disposed on the filter arc piece 83.

During operation, open the plug, to injecting the liquid of polishing into cistern 8, thereby the liquid of polishing slowly sees through the pore on the arc piece 83 of straining to get into in the tooth's socket 22, be convenient for polish of the prong 23 of opening gear 24.

As an embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 11, a groove 9 is formed at an upper end of the filtrate hole 81, a piston 91 is slidably connected in the filtrate hole 81, a triple link 92 is fixedly connected to the piston 91, one end of the triple link 92 extends out of the liquid tank 8 and is slidably connected, the other end of the triple link 92 penetrates into the repair box 1 and is slidably connected, two sets of support plates 93 are fixedly connected to an upper end surface of the repair box 1, a movable shaft is movably connected between the two sets of support plates 93, a short rod in the middle of the triple link 92 is penetrated by the movable shaft and is torsionally connected through a torsion spring, a set of rectangular grooves 931 is formed in each set of support plates 93, and two ends of the movable shaft respectively extend into a set of rectangular grooves 931 and are slidably connected.

The during operation reciprocates at opening gear 24, thereby the polishing solution that the extrusion flows down from recess 9, thereby the polishing solution is spout through straining pore on arc piece 83 when receiving the extrusion, thereby increase the blowout efficiency of polishing solution, thereby through the outflow speed of hand pressure three link 92 control polishing solution, thereby the design of rectangular channel 931 makes when three link 92 moves, the loose axle slides in the rectangular channel, thereby offset the interference of loose axle when three link 92 moves

As an embodiment of the present invention, as shown in fig. 10, a plurality of sets of guiding holes 100 are formed in an upper end surface of the grinding tool 21, one ends of the plurality of sets of guiding holes 100 extend out of the tooth sockets 22 and are fixedly connected, a plurality of sets of circular holes are formed in the sand sleeve 3, and each set of circular holes corresponds to one end of each set of guiding holes 100 extending out of the tooth sockets 22.

During operation, thereby the polishing solution is after the blowout through the pore on straining the arc piece 83 when receiving the extrusion, and the part drips in tooth's socket 22 between the polishing solution of part spun, and the part drips in grinding apparatus 21 up end, thereby the water conservancy diversion hole 100 of grinding apparatus 21 up end design makes and drips and get into water conservancy diversion hole 100 and follow water conservancy diversion hole 100 and get into in tooth's socket 22 at grinding apparatus 21 up end, thereby increase the availability factor of polishing solution with the better polishing performance who improves prong 23.

The working principle is as follows: when in work, after the tooth tip 23 on the open gear 24 is repaired and welded and heat treated, the clamping plate 45 is pulled out, the limit plate 42 moves downwards due to the gravity of the limit plate and the grinding tool 21 fixedly connected above the limit plate, wherein the support frame gives a space for the limiting plate 42 to move downward, the grinder 21 moves downward to expose the moving block 27, the shedding gear 24 is inserted into the control groove 26, when the shedding gear 24 extends into the control groove 26, the side surface of the shedding gear 24 presses the toothed plate 52, the toothed plate 52 is pressed to slide towards the lock bin 51, the half gear 54 meshed with the toothed plate 52 rotates, so that the L plate 55 moves in an arc shape by taking the axle center of the half gear 54 as an axis, when the left end of the shedding gear 24 abuts against the inner wall of the moving block 27, two sets of L-shaped plates 55 just abut against the two sides of the shedding gear 24, thereby effectively preventing the side displacement when the split gear 24 is pressed and sharing the acting force when the grinding tool 21 and the tooth tip 23 of the split gear 24 slide relatively and grind; when the left end of the split gear 24 just abuts against the inner wall of the moving block 27, the insulating block 73 is squeezed by the split gear 24 to move into the control cabin 7, so that the second conducting strip 72 and the first conducting strip 71 which are fixedly connected with the insulating block 73 are in contact with each other, a power-on loop between the storage battery 6 and the fan 62 is switched on, the storage battery 6 can supply power to the fan 62, the fan 62 works to rotate to generate wind energy and blow the wind energy to the tooth tips 23 of the split gear 24 and the grinding tool 21 through the air outlet 63, so that heat generated by the tooth tips 23 of the split gear 24 which is being ground and residual heat generated after the split gear 24 is repaired and welded are slowly cooled, delayed cracks of the split gear 24 in repairing and welding the tooth tips 23 on the split gear 24 are avoided, and the quality of the repaired and welded tooth tips 23 on the split gear 24 is improved; after the open gear 24 extends into the control groove 26, the grinding tool 21 is pulled upwards through the pull rod 46, the clamping plate 45 extends into the clamping groove 44, the tooth tip 23 of the open gear 24 extends into the tooth groove 22 at the moment, the sand sleeve 3 is convenient to replace due to the bonding design of the sand sleeve 3 on the tooth groove 22, the hydraulic cylinder 28 is started, so that the hydraulic rod drives the movable block 27 to move up and down, the tooth tip 23 on the open gear 24 on the control groove 26 of the movable block 27 continuously moves up and down in a reciprocating mode, and the tooth tip 23 continuously rubs with the sand sleeve 3 to be ground; the rubber plug is opened, polishing liquid is injected into the liquid tank 8, when the opening gear 24 moves up and down, the polishing liquid flowing down from the groove 9 is extruded, and the polishing liquid is sprayed out through the fine holes in the arc filtering sheets 83 when being extruded, so that the polishing liquid enters the tooth grooves 22, and the tooth tips 23 of the opening gear 24 are polished conveniently; after the grinding liquid is extruded through the fine holes in the arc filtering sheets 83, part of the extruded grinding liquid drops into the tooth grooves 22, and part of the extruded grinding liquid drops onto the upper end surface of the grinding tool 21, and the guide holes 100 are designed on the upper end surface of the grinding tool 21, so that the grinding liquid dropping onto the upper end surface of the grinding tool 21 flows into the guide holes 100 and enters the tooth grooves 22 along the guide holes 100, and the use efficiency of the grinding liquid is improved to better improve the grinding performance of the tooth tips 23; pneumatic cylinder 28 stop work, take off cardboard 45, thereby make grinding apparatus 21 constantly reciprocate through manual pulling pull rod 46, thereby make the continuous tooth point 23 friction with opening gear 24 of sand cover 3 on the tooth's socket 22 in the grinding apparatus 21, thereby polish tooth point 23, adopt this kind of mode need not to consume the energy and use electrical apparatus, it is more energy-concerving and environment-protective, and the problem that the size error of efficiency is slow and polishing is difficult to control when still can having avoided traditional manual emery wheel to polish, and adopt this kind of mode can be applicable to the country that voltage grade and frequency that foreign and china used use are different, thereby be convenient for the device's popularization.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grinding device of opening gear tooth point mating surface of hydraulic tong, is including restoreing case (1), its characterized in that: the bottom of the repairing box (1) is fixedly connected with a supporting rack, a polishing opening is formed in the right end face of the repairing box (1), a polishing mechanism (2) is arranged on the repairing box (1), and an automatic locking assembly (5) is arranged between the polishing mechanism (2) and the repairing box (1); grinding machanism (2) include grinding apparatus (21), tooth's socket (22), support roller (25), control groove (26), movable block (27), pneumatic cylinder (28), the opening part swing joint of polishing of restoreing case (1) right-hand member face has grinding apparatus (21), grinding apparatus (21) left side sets up to indent type groove, and this indent type inslot equidistance be arc distribution and seted up a plurality of tooth's socket (22), tooth's socket (22) and prong (23) meshing, prong (23) fixed connection is on opening gear (24), opening gear (24) stretch into support roller (25) and sliding connection, support roller (25) eccentric fixed connection inside control groove (26), control groove (26) are seted up in movable block (27), movable block (27) right-hand member laminating is restoreing case (1) internal surface left end lateral wall and sliding connection, terminal surface center department fixed connection hydraulic stem under movable block (27), and the lower end of the hydraulic rod is fixedly connected to a hydraulic cylinder (28), and the hydraulic cylinder (28) is fixedly connected to the bottom of the inner surface of the repair box (1).

2. The grinding device for the tooth tip engaging surface of the shedding gear of the hydraulic tong as set forth in claim 1, wherein: the tooth's socket (22) inner wall bonds has sand cover (3), sand cover (3) surface densely distributed has a plurality of gravel of polishing.

3. The grinding device for the tooth tip engaging surface of the shedding gear of the hydraulic tong as set forth in claim 1, wherein: repair case (1) internal surface both sides and seted up a set of spacing groove (4) respectively, grinding apparatus (21) both sides symmetry fixedly connected with a set of gag lever post (41) respectively, every group gag lever post (41) stretch into a set of spacing groove (4) and swing joint, grinding apparatus (21) bottom fixedly connected with limiting plate (42), limiting plate (42) stretch into a set of draw-in hole (43) and sliding connection, draw-in hole (43) are seted up at repair case (1) bottom right-hand member, draw-in groove (44) have been seted up in limiting plate (42), draw-in groove (44) stretch into have cardboard (45), draw-in groove (44) one end is kept away from in cardboard (45) and is run through and stretch out draw-in hole (43) and sliding connection, grinding apparatus (21) lateral surface fixedly connected with pull rod (46).

4. The grinding device for the tooth tip engaging surface of the shedding gear of the hydraulic tong as set forth in claim 1, wherein: the automatic locking assembly (5) comprises a locking bin (51), a toothed plate (52), a reset spring (53), a half gear (54) and an L plate (55), wherein the front side and the rear side of the moving block (27) are respectively provided with a group of locking bins (51), the inner surfaces of the two groups of locking bins (51) close to each other are penetrated, stretched and slidably connected with the toothed plate (52), the left end face of the toothed plate (52) is fixedly connected with a connecting plate, the reset spring (53) is fixedly connected onto the connecting plate, the upper end of the reset spring (53) is fixedly connected onto the tops of the inner surfaces of the two groups of locking bins (51) far away from each other, a plurality of racks are fixedly connected onto the right end face of the toothed plate (52) at equal intervals, the plurality of racks are meshed and connected with the half gear (54), the half gear (54) is penetrated and rotatably connected with a rotating rod, the rotating rod is fixedly connected onto the inner wall of the locking bins (51), the L plate (55) is fixedly connected onto the toothless part of the half gear (54), the L-shaped plate (55) penetrates through the right end of the lock bin (51) and is movably connected with the lock bin.

5. The grinding device for the tooth tip engaging surface of the shedding gear of the hydraulic tong as set forth in claim 1, wherein: be provided with battery (6) in movable block (27), wind storehouse (61) have been seted up in movable block (27), fixedly connected with fan (62) in wind storehouse (61), communicate through the wire between fan (62) and battery (6), exhaust vent (63) have been seted up on wind storehouse (61) right side, exhaust vent (63) and fan (62) central point put correspondingly, and exhaust vent (63) are facing to prong (23) of opening gear (24).

6. The grinding device for the tooth tip engaging surface of the shedding gear of the hydraulic tong as set forth in claim 5, wherein: a power supply bin (601) is arranged in the movable block (27), a storage battery (6) is placed in the power supply bin (601), and a cover plate (602) is movably connected to the power supply bin (601).

7. The grinding device for the tooth tip engaging surface of the shedding gear of the hydraulic tong as set forth in claim 5, wherein: the moving block (27) is provided with a control bin (7), the control bin (7) and the control groove (26) are adjacently arranged, and the left side of the inner surface of the control cabin (7) is fixedly connected with a first conducting strip (71), the first conducting strip (71) is fixedly communicated on the storage battery (6) through a lead, the first conducting strip (71) is contacted with a second conducting strip (72), the right end face of the second conducting strip (72) is fixedly connected with an insulating block (73), the right end of the insulating block (73) penetrates through the control cabin (7) and contacts with the opening gear (24), the right end of the second conducting strip (72) is fixedly connected with an insulating spring (74), the insulating spring (74) is fixedly connected in the control bin (7), the second conducting strip (72) is fixedly connected with the storage battery (6) through a lead, and the second conductive sheet (72) is fixedly communicated with the fan (62) through another group of wires.

8. The grinding device for the tooth tip engaging surface of the shedding gear of the hydraulic tong as set forth in claim 1, wherein: it has offered cistern (8) to restore case (1) side wall in, the inlet has been seted up on cistern (8), and has plugged the plug on the inlet, filtrating hole (81) have been seted up to cistern (8) internal surface bottom, fixedly connected with arc piece (83) in filtrating hole (81), a plurality of pores have been seted up on arc piece (83).

9. The grinding device for the tooth tip engaging surface of the split gear of the hydraulic tong as set forth in claim 8, wherein: recess (9) have been seted up to filtrating hole (81) upper end, and sliding connection has piston (91) in filtrating hole (81), three link rod (92) of piston (91) fixedly connected with, cistern (8) and sliding connection are stretched out to three link rod (92) one end, three link rod (92) other end runs through to stretch into and restores case (1) and sliding connection, restore two sets of backup pad (93) of fixedly connected with on case (1) up end, two sets of swing joint has the loose axle between backup pad (93), the quarter butt in the centre of three link rod (92) is run through by the loose axle and is twisted round through the torsional spring and connect, every group seted up a set of rectangular channel (931) on backup pad (93), a set of rectangular channel (931) and sliding connection are stretched into respectively to the loose axle both ends.

10. The grinding device for the tooth tip engaging surface of the shedding gear of the hydraulic tong as set forth in claim 2, wherein: a plurality of groups of guide holes (100) are formed in the upper end face of the grinding tool (21), one ends of the guide holes (100) extend out of the tooth grooves (22) and are fixedly connected with the tooth grooves, a plurality of groups of round holes are formed in the sand sleeve (3), and one end of each group of round holes corresponds to one end of each group of guide holes (100) extending out of the tooth grooves (22).