WO2017121407A1

WO2017121407A1 - Impact device for wearproof sealing protective sleeve of tooth rack of mining machine

Info

Publication number: WO2017121407A1
Application number: PCT/CN2017/071325
Authority: WO
Inventors: 刘素华
Original assignee: 刘素华
Priority date: 2016-01-15
Filing date: 2017-01-16
Publication date: 2017-07-20
Also published as: CN106979009A; CN106979009B

Abstract

Provided is an impact device for a wearproof sealing protective sleeve of a tooth rack of a mining machine, wherein the wearproof sealing protective sleeve (2) for the tooth rack is arranged at a rear part of an impact tooth rack (1); the wearproof sealing protective sleeve (2) for the tooth rack is of an integral sealing protective sleeve for the tooth rack or a split sealing protective sleeve for the tooth rack; the split sealing protective sleeve for the tooth rack comprises a split external wearproof sealing protective sleeve (68); the split external wearproof sealing protective sleeve (68) is arranged outside a protective cover (3) for a box body guide rod; a protective sleeve sealing part (9) for the tooth rack is arranged between the wearproof sealing protective sleeve (2) for the tooth rack and the protective cover (3) for the box body guide rod; the protective sleeve sealing part (9) for the tooth rack is an annularly closed protective sleeve sealing part for the tooth rack and/or an open protective sleeve sealing part for the tooth rack; when the wearproof sealing protective sleeve (2) for the tooth rack is arranged outside the protective cover (3) for the box body guide rod, a wearproof face (17) of an inner cavity of the tooth rack sealing sleeve is fitted with the protective sleeve sealing part (9) for the tooth rack in a sealing manner; and the distance between a front end face (8) of a protective cover of the box body guide rod and an end face (10), towards the protective cover of the box body guide rod, of the wearproof sealing protective sleeve (2) for the tooth rack is greater than the reciprocating impact stroke. The device ensures the long-period cleanness of a lubricating medium in a power box body (6) and prolongs the service life of the reciprocating impact type mining machine.

Description

Mining machine rack wear-resistant sealing sheath impact device

Technical field

The invention relates to the field of mining machinery, in particular to a wear-resistant sealing sheath impact device of a mining machine rack.

Background technique

The punching frame of the reciprocating impact mining machine is arranged at the front part of the reciprocating impact guiding rod, and the material which is flushed by the reciprocating impact mining machine is caused to accumulate between the reciprocating impact guiding rod and the tooth frame. Increasing the extrusion strength between the materials, so that the material can easily enter the box seal between the reciprocating impact guide rod and the power box, so that the tank seal damage and oil leakage cannot cool the power system in the power box body. If the impact power system is not working properly due to overheating, the casing seal will be damaged when the mining machine is impacted for several hours. The replacement of the seal must remove the punch frame from the reciprocating impact guide rod and then seal it. The parts are taken out and replaced, and the replacement time is difficult. It is more difficult to clean the remaining materials in the power box. It takes at least four hours to replace the box seals and it is extremely difficult to replace them at the mining site. In order to avoid the box seals being Damage also reduces the increase in the length of the reciprocating impact guide bar by providing multiple seals on the reciprocating impact guide bar. Problems in direct contact with the seal material is easily damaged, to solve the problem gland, seal replacement difficult to remove, the present invention provides a mining machine abradable seal tooth-carrier sheath percussion device.

Summary of the invention

The invention is realized by the following technical solutions: the wear-resistant sealing sheath impact device of the mining machine rack comprises a punching frame, a box guard rod cover, a rack wear-resistant sealing sheath, an impact guide frame and a power box body, etc. The impact guide frame is disposed in the power box body, and a box seal member is disposed between the impact guide frame and the power box body, the box body guide rod cover is fixedly connected with the power box body, and the impact guide frame includes an impact guide rod, etc., impact guiding The end of the rod is disposed at the casing guard rod cover outside the power box, the rear wear frame of the tooth frame is provided with a wear-resistant sealing sheath of the rack, and the wear-resistant sealing sheath of the rack includes an integral rack sealing sheath or a split body. The toothed frame sealing sheath, etc., the split tooth frame sealing sheath includes a split outer sheath wear-resistant sealing sheath or a split built-in wear-resistant sealing sheath, etc., the split outer wear-resistant sealing sheath is set in the box guard rod cover Externally, the split inner wear-resistant sealing sheath is disposed inside the box guard cover, the rear of the punch frame is connected with the impact guide rod, and the rack wear-resistant sealing sheath is disposed inside the box guard cover or set On the outside of the box guard cover, the rack wear-resistant sealing sheath A rack cover seal is arranged between the box guard rod cover, and the rack cover seal comprises a ring closed rack cover seal and an open rack cover seal, etc., when the rack wear seal protection When the sleeve is disposed outside the box guard cover, the wear surface of the rack seal sleeve is arranged on the rack wear seal sleeve or the rack seal seal groove is arranged on the rack wear seal sleeve The wear-resistant surface of the inner cavity of the rack seal sleeve is matched with the seal of the rack sleeve, and the wear-resistant sealing sheath of the rack includes the seal sleeve facing the front end surface of the guide rod cover, and the front end surface of the box guard rod cover and the rack wear-resistant The distance of the sealing sheath toward the end face of the box guard rod cover is greater than the reciprocating impact stroke, or when the rack wear-resistant sealing sheath is disposed inside the box guard rod cover When the toothed frame wear-resistant sealing sheath is provided with a sheath wear-resistant sealing surface or a rack-seal sealing groove is arranged on the rack wear-resistant sealing sheath, the rack guard seal groove is provided on the rack seal The sealing member, the carrier sheath sealing member and the inner cavity of the box guard rod cover are matched and sealed, and the carrier sheath sealing member prevents the material dust from entering the box guard rod cover, preventing the material from damaging the box sealing member, the carrier The wear-resistant sealing sheath and the tooth frame are integrally or separately connected. When the toothed frame wear-resistant sealing sheath and the tooth frame are connected separately, the rear of the tooth frame is provided with a wear-resistant sealing sheath of the frame. The anti-return or the rack wear-resistant sealing sheath and the tooth frame are screwed back or the rack wear-resistant sealing sheath and the tooth frame are fixed by the taper or fixed at the joint of the impact guide rod and the rack The rack seal sleeve groove prevents the rack wear-resistant sealing sheath from falling off, or when the fixed rack seal sleeve groove is used to fix the rack wear-resistant sealing sheath, the guide rod bracket is sealed at the front of the impact guide rod The sleeve is correspondingly provided with a rack seal sleeve on the wear-resistant sealing sheath of the rack, and the rear of the rack The end surface of the toothed frame is fixed with a sealing sleeve, and the sealing sleeve of the toothed frame is provided with a sealing sleeve matched with the end surface of the toothed frame, and the sealing sleeve is arranged on the end surface of the fixed sealing sleeve of the toothed frame, and the punching frame is further provided with a toothed frame. The gear holder retaining sleeve is detached, and the punching frame is fixed on the impact guiding rod, so that the guiding rod retaining frame sealing sheathing block prevents the rack sealing sleeve from moving toward the power box, and the rack wear-resistant sealing sheath The wear-resistant sealing surface of the rack is matched with the rack seal seal, and the fixed rack seal sleeve groove formed by the punch frame and the impact guide rod makes the rack wear-resistant sealing surface of the rack wear-resistant sealing sheath Always fit with the rack seal seal, the length of the overlapping section of the rack wear-resistant seal sheath and the box guard rod cover is greater than the impact stroke of the reciprocating impact of the rack, and the rack guard during the reciprocating impact of the rack The sleeve seal is located in the overlapping section of the rack wear-resistant sealing sheath and the box guard rod cover. Or when using the rack wear-resistant sealing sheath to stop the retracting member, the rack wear-resistant sealing sheath retaining member includes a nut retaining member, a screw retaining member, a retaining ring retaining member, a pin retaining member, and a sticking member. Stop the return, the card slot stop, the circlip stop, the up-and-down stop, the top wire hole stop or the key stop.

The rack seal sleeve block includes a circular surface of the fixed rack seal sleeve block, and the corresponding impact guide rod is provided with a fixed rack seal sleeve outer circular surface, and the fixed rack seal sleeve inner round surface and The outer surface of the fixed frame seal sleeve block prevents the axial wear-resistant sealing sleeve from swaying in the axial direction, or the sealing sleeve cooperates with the end surface of the rack and the end surface of the fixed sealing sleeve of the rack to prevent the axial wear of the rack wear sleeve , or the inner circular surface of the fixed rack seal sleeve is matched with the outer circular surface of the fixed rack seal sleeve block, and the sealing sleeve cooperates with the end surface of the rack bracket and the end surface of the rack fixed seal sheath to prevent the wear resistant seal sleeve of the rack from being guided along the impact The rod is rocked left and right in the axial direction.

A sheath guard is arranged at the rear of the tooth frame, and the sheath guards are arranged at the rear of the tooth frame. The shape of the sheath guard does not form an extrusion surface with the end surface of the box guard rod cover to prevent the material from being sheathed. The guard member and the box guard rod cover are stacked, and the sheath guard member prevents the material from being damaged and damages the rack wear-resistant sealing sheath.

The punch frame includes an upper punch frame and a lower punch frame, and the punch frame includes a single punch frame or a multi-punch frame, and the multi-punch frame includes an upper frame connection sleeve and a lower punch. a rack connecting sleeve and a toothed rack connecting member, etc., one end of the punching frame connecting member is disposed on the upper punch frame connecting sleeve, and the other end is disposed on the lower punch frame connecting sleeve, and the punch frame connecting member connects the upper punch frame Set and The lower punch frame connecting sleeve is integrally connected, and the upper punch frame connecting sleeve and the lower punch frame connecting sleeve are respectively engaged with the upper punch frame and the lower punch frame, and the impact guiding rod includes an upper impact guiding rod and a lower impact guiding The rod, etc., the multi-punch tooth frame fastens the upper impact guide rod and the lower impact guide rod into an integral type.

The rear part of the tooth frame is provided with a rack wear-resistant sealing sheath to remove the top wire hole and/or the rack wear-resistant sealing sheath is provided with a disassembling wire hole and the like.

The tooth frame and the impact guide rod are fixedly connected by a taper surface or the tooth frame and the impact guide rod are screwed or the impact frame is fixedly connected with the impact guide rod through the card slot or the impact frame and the impact guide rod are passed through the tooth holder. Fixed connection such as returning parts, or when the toothed frame is fixedly connected with the impact guide rod cone surface, the impact frame taper sleeve is arranged on the impact tooth frame, and the impact guide cone rod is arranged on the impact guide rod, and is set on the impact guide cone rod The guide rod retaining frame seals the sheathing platform, and the toothed frame retaining sleeve is disposed on the punching frame, and the guiding rod fixed sealing sleeve is arranged on the front end of the guiding rod bracket sealing and sheathing platform to fix the guiding rod The round surface of the sealing sleeve is fastened with the inner surface of the fixed bracket sealing sleeve, so that the axial wear-resistant sealing sheath of the rack is axially aligned with the impact guiding rod, and the guiding bracket and the tooth are arranged on the guiding rod bracket A thrust stroke inner stroke section is arranged between the frame seal sleeve block or a pusher frame inner push stroke section is arranged between the rack stop seal sleeve offset and the rack seal sleeve stop, and the reciprocating impact reaction force will be punched When the frame is pushed toward the power box along the impact guide rod The rear end of the rack moves to the space of the inward stroke of the punching frame, ensuring that the punching frame and the impact guiding cone are tightly tapered, and the length of the wear-resistant sealing sheath of the rack is greater than the length of the reciprocating impact stroke plus the inward stroke of the punching frame. Therefore, the rack wear-resistant sealing sheath and the rack sheath seal are always in a tightly sealed state.

The pressing frame of the pressing frame is set in the pushing stroke section of the punching frame, and the elastic member of the pressing frame sealing sleeve is placed on the sealing frame of the guiding frame and the other end of the frame is placed on the carrier. When the seal sleeve is pressed, the elastic force of the elastic part of the rack seal sleeve is pressed tightly. The rack seal stop is tightened on the rack stop sleeve off table or when the end of the compression bracket seal sleeve elastic part is at the top When the other end of the rack retaining sleeve is off the top of the rack seal sleeve, the elastic force of the rack seal sleeve elastic member is pressed tightly. The rack seal stop is tightened on the guide rod bracket to seal the sheath table. On the upper side, the rack seal sleeve is prevented from being moved, so that the rack wear-resistant sealing sheath is always sealed with the rack seal seal, and when the strong impact reaction force is made, the cone is tightly pressed on the impact guide rod. When the direction of the power box moves, the elastic part of the pressure-retaining frame sealing sleeve is contracted to ensure that the tapered surface of the punching frame and the impact guiding rod are tapered.

The inner end sealing surface of the cavity outer sealing surface composed of the rack wear-resistant sealing sheath, the rack sheath sealing member and the box guard rod cover, and the box sealing member, the power box body and the impact guiding rod A rack-sheath sealing cavity is formed between the impact guide frame, including a power crankshaft, a connecting rod, etc., and two or more connecting rods are disposed on the power crankshaft, and two or more connecting rods are disposed around the power crankshaft in a dislocation position or set at 180 degrees. The connecting rod includes a left connecting rod and a right connecting rod, etc., the impact guiding frame includes a left impact guiding frame and a right impact guiding frame, etc., the left connecting rod drives the left impact guiding frame to reciprocate impact, and the right connecting rod drives the right impact guiding frame to reciprocate impact, impact The guide bar includes a left impact guide bar and a right impact guide bar, and the punch frame includes a left tooth frame and a right tooth frame, and the left tooth The frame is disposed on the left impact guide bar, the right impact frame is disposed on the right impact guide bar, the left impact guide bar is disposed at the front of the left impact guide frame, and the right impact guide bar is disposed at the front of the right impact guide frame. When the left impact guide rod is retracted backward, the right impact guide rod is forwardly impacted, and the power box body is provided with a box left guard rod cover and a box right guard rod cover, etc., the rack wear seal sheath includes the left tooth Shelf seal jacket and right rack seal jacket, etc., rack seals include left rack guard seal and right rack guard seal, etc., the box seal includes left case seal and right case Body seals, etc., the left guard sleeve cover and the left rack seal sheath, the left rack seal seal, the left box seal, the left impact guide rod, etc. form a left rack seal cavity, the box The right guard sleeve cover and the right bracket sealing sheath, the right bracket sheath seal, the right box seal, the right impact guide rod, etc. form a right bracket sheath sealing cavity, in the left box seal and A left row of pressure holes is provided on the left case guard rod cover between the left carrier sheath seals, and the right case seal is provided A right row of pressure holes is arranged on the right casing guard rod cover between the right carrier sheath seals, so that the left row pressure hole and the right row pressure hole are connected, and when the left impact guide rod drives the left tooth frame to strike forward When the right toothed rack is sealed, the lubricating body and the gas enter the left bracket heat sealing body through the right row pressure hole and the left row pressure hole, and the right impact guide rod drives the right tooth frame to retract backward. The lubricating body and gas in the rack seal cavity are pressed into the left rack sheath sealing cavity through the right row pressure hole and the left row pressure hole, and the left punch frame and the right side are used by the left row pressure hole and the right row pressure hole. The pressure and suction generated by the reciprocating impact of the tooth frame are complementary to avoid damage to the rack seal and the box seal.

When the rack cover seal is disposed on the outer end surface of the box guard rod cover, the inner cavity of the rack wear-resistant seal sheath is provided with a seal end surface of the rack cover sealed with the rack seal seal, in the tooth A guard frame sheath block material is disposed between the inner seal end surface of the rack outer sleeve and the outer end surface of the box guard rod cover, and the guard rack sheath block material member is the rack shield A space between the inner sealing end surface and the outer end surface of the casing guard rod cover is filled or a protective sleeve collision gap is formed between the outer end surface of the guard frame sheath block material and the inner sealing end surface of the rack bracket, and the protective sleeve collides The gap is less than or equal to the maximum compressive deformation of the rack seal, so as to prevent the bulk material from entering the seal end surface of the rack cover and the outer end surface of the box guard cover to damage the rack seal.

The guard frame sheath block material includes a hard sheath block material or an elastomeric sheath block material.

The wear-resistant sealing sheath of the rack is provided with the outer guide surface of the rack outer sheath, and the outer guide surface of the rack outer sheath is used to guide the material accumulated on the outer mouth of the wear-resistant sealing sheath of the rack to prevent the material from being pushed into the rack. The gap between the wear-resistant sealing sheath and the casing guard rod cover.

The tooth frame comprises a fixed wear-resistant sealing sheath structure, and the fixed wear-resistant sealing sheath structure comprises a bracket fixing sheath boss or a bracket fixing jacket groove or a bracket fixing sheath end surface, etc., the rack is resistant The wear sealing sheath also includes an outer wear-resistant sealing sheath, etc., the outer wear-resistant sealing sheath is disposed outside the box guard rod cover, and the outer wear-resistant sealing sheath includes an integral outer wear-resistant sealing sheath or a split outer wear-resistant Sealing sheath, etc., outer wear-resistant sealing sheath and bracket fixing jacket boss fastening or outer wear-resistant sealing sheath and bracket fixing sheath groove fastening or fixing fixed outer sheathing parts to make outer casing resistant The wear sealing sheath is attached to the end surface of the fixed bracket of the rack, and the outer wear-resistant sealing sheath is provided with an outer sleeve inner cylinder sealing surface or an outer wear sealing seal The outer sleeve is provided with an inner cylinder seal groove, and the outer wear-resistant sealing sheath and the bracket fixed sleeve groove are fastened with a sealing outer sheath and a bracket member or an outer wear-resistant sealing sheath and a bracket fixed protection The groove end face is fastened and tightly sealed, and the rear end of the split outer wear-resistant sealing sheath is provided with a sheath fastening groove anti-swaying platform which is engaged with the groove fixing sleeve groove, and the sheath fastening groove is prevented. The swaying table is fastened in the groove of the fixed bracket of the rack, the groove of the rack is fixed, and the recess of the bracket is tightly held by the sleeve. The anti-swaying platform prevents the wear-resistant sealing sheath of the rack from swaying, and the outer wear-resistant sealing sheath is separated. Including the left split outer sealing seal sheath and the right split outer sheath sealing sheath, etc., the split outer wear wear seal sheath includes a left split sheath side fastening end face and a right split sheath side fastening end face, etc. The body sheath side fastening end face and the right split sheath side fastening end face are tightly sealed by the two fastening faces or the left split sheath side fastening end face and the right split sheath side fastening end face are disposed between the left and right sides. Socket side seal seal, right split outer envelope seal sheath including right split sheath side groove or including right split sheath plane or including locking Right split sheath hoop, etc., when using the right split sheath side groove, the left split outer sheath sealing boss is disposed on the left split outer sheath side boss, the right split sheath side groove and the left split sheath The side boss fastening prevents the left split outer sealing seal sheath and the right split outer sheath sealing jacket from being buckled by the reciprocating impact reaction force and the lateral force splitting, or when the locking left and right split sheath hoop is used, The locking left and right split sheath hoops are arranged to be locked at the outer end faces of the left split outer sheath sealing sheath and the right split outer sheath sealing sheath, preventing cracking of the left split outer envelope sealing sheath and the right split outer sheath sealing sheath.

The outer wear-resistant sealing sheath includes a fixed outer sheathing member, and the outer covering sheathing member includes a nut fixing member, a screw fixing member, a pin fixing member, an adhesive fixing member, a rising pin fixing member, a cylindrical pin fixing member, and a tapered pin fixing. Parts, circlip fixing members, card slot fixing members, retaining ring fixing members or top wire hole pin fixing members. When the screw fixing member is used, a rack fixing sheath groove is arranged at the rear of the tooth frame or a rack fixing sheath boss is arranged at the rear of the tooth frame, and the rack fixing sheath groove includes a polygonal fixing sheath concave. Slot or round fixed sheath groove, etc. When using a circular fixed sheath groove, a circular fixed sheath groove is set at the center of the impact guide rod axis at the end of the punch frame toward the box body, The rear end of the left split outer envelope sealing sheath and the right split outer sheath sealing sheath are fastened and fastened in the circular fixed sheath groove on the other side of the punch frame opposite to the circular fixed sheath groove Providing a screw fixing piece hole, and providing a threaded hole corresponding to the screw fixing piece hole on the left side outer covering sealing sheath and the right split outer sealing sealing sheath and the circular fixing sheath groove fitting end surface Screw the screw fixing member through the screw fixing plate hole into the sheath thread hole to tighten the left split outer sealing seal sheath and the right split outer sealing seal sheath, etc., and set a screw locking member on the screw fixing member to prevent the screw fixing Loosen the parts or tighten the screw fixings to prevent the screw fixings from loosening.

The beneficial effects of the invention are:

1. The end of the impact guiding rod is arranged at the casing guard rod cover outside the power box, the toothed frame wear-resistant sealing sheath is arranged at the rear of the punching frame, and the rack wear-resistant sealing sheath is arranged in the box shielding The inside of the rod cover is disposed outside the cover of the box guard rod, and the rack seal seal is arranged between the rack wear seal sleeve and the box guard rod cover, and the wear surface of the rack seal sleeve inner cavity is provided Cooperating with the rack seal seal, the front end surface of the box guard rod cover and the wear-resistant sealing sheath of the rack are facing the end face of the box guard rod cover more than the reciprocating impact stroke, the rack seal and the box body The inner cover of the guard rod cover is matched with the seal, and the rack cover seal prevents material dust Enter the cover of the box guard rod to prevent the material from damaging the seal of the box. The rear part of the rack is provided with a wear-resistant seal of the rack. The retaining piece of the bracket is retracted or the wear-resistant sealing sheath of the rack is screwed with the punch frame. The anti-retraction or the rack wear-resistant sealing sheath and the punch frame are retracted by the tapered surface or the fixed rack sealing sleeve groove is arranged at the joint of the impact guiding rod and the punch frame to prevent the rack wear-resistant sealing sheath from falling off, or when When the fixed rack is used to seal the sheath and the wear-resistant sealing sheath of the rack is fixed, the end surface of the sealing sleeve and the rack is disposed on the end surface of the fixed sealing sleeve of the rack, and the punch frame is fixed on the impact guiding rod to make the guiding rod block The rack sealing sheath block prevents the rack seal sleeve from moving toward the power box body, and the rack wear-resistant sealing sheath is provided with a rack wear-resistant sealing surface matched with the rack seal seal, the punch frame and The fixed bracket sealing sleeve groove formed by the impact guiding rod makes the rack wear-resistant sealing surface of the rack wear-resistant sealing sheath always fit and seal with the rack sheath sealing member, the rack wear-resistant sealing sheath and the box shielding The length of the overlap of the rod cover overlap is greater than the impact stroke of the reciprocating impact of the rack When the toothed frame reciprocates, the rack seal is in the overlapping section of the rack wear-resistant sealing sheath and the box guard rod cover, and the rack wear-resistant sealing sheath is arranged at the rear of the rack. The box seal is damaged and the increase of the length of the reciprocating impact guide rod on the reciprocating impact guide rod is reduced, and the disadvantage of increasing the weight and volume of the impact portion due to the lengthening of the impact guide rod is avoided, and the box is solved. The problem that the body seal is in direct contact with the material is easy to be damaged, and the problem that the sealing sleeve and the sealing member are difficult to be disassembled and replaced is solved. By setting the rack wear-resistant sealing sheath, the punching frame is solved by the reciprocating impact mining machine pushing the mining material forward. The falling material accumulates between the reciprocating impact guiding rod and the tooth frame, and the extrusion strength between the materials is continuously increased, so that the material can easily enter the box sealing member between the reciprocating impact guiding rod and the power box body, resulting in The damage of the tank seal is not able to cool the power system in the power box. The impact power system cannot be operated normally due to overheating. When the sheath changes the material of the mining machine for several hours, the damage of the box seal will occur, avoiding the difficulty of frequently changing the seal of the box, and ensuring the long-term cleaning of the lubricating medium in the power box. Ten times the service life of the reciprocating impact mining machine has been increased.

2. The inner circular surface of the fixed rack seal sleeve and the outer circular surface of the fixed rack seal sleeve block prevent the axial wear-resisting sleeve of the rack from swaying in the axial direction, or the seal sleeve is matched with the end of the rack and the bracket is fixed and sealed. The end face fits to prevent the axial wear-resistant sealing sleeve from swaying axially to the left or right, or the inner circular surface of the fixed bracket sealing sleeve is matched with the outer circular surface of the fixed bracket sealing sleeve and the sealing sleeve cooperates with the end surface of the bracket and the fixed sealing of the carrier The end face fit prevents the wear-resistant sealing sheath of the rack from swaying left and right along the axial direction of the impact guiding rod, and the inner circular surface and the outer circular surface are mutually coherent, and the wear-resistant sealing sheath of the rack is matched with the rack seal sealing member. stability.

3. The sheath guards are arranged at the rear of the tooth frame, and the shape of the sheath guard does not form an extrusion surface with the end surface of the box guard rod cover, preventing the material from being in the sheath guard and the box guard rod cover. During the accumulation, the sheath guard prevents the material from impacting and damaging the rack wear-resistant sealing sheath.

4. The rack wear-resistant sealing sheath is removed from the top wire hole and/or the rack wear-resistant sealing sheath is provided with a disassembling wire hole, which is beneficial to remove the wear-resistant sealing sheath of the rack from the punch frame.

5. When the punching frame is fixedly connected with the impact guide rod taper surface, the guide rod fixed sealing sleeve stop surface and the fixed bracket are sealed. The inner surface of the sleeve is fastened, so that the axial direction of the wear-resistant sealing sheath of the rack is consistent with the axial direction of the impact guide rod, and a punch frame is arranged between the seal sleeve of the guide rod bracket and the seal sleeve of the rack holder. The inward stroke section or the inward stroke section of the toothed frame is arranged between the rack stop sleeve offset and the rack seal sleeve stop, and the reciprocating impact reaction force pushes the tooth carriage along the impact guide rod toward the power box body. The rear end of the tooth frame is moved to the inner space of the toothing frame to ensure that the tooth frame and the impact guide cone are tightly tapered. The length of the wear-resistant sealing sheath of the frame is greater than the reciprocating impact stroke plus the inward stroke of the tooth frame. The length of the rack wear-resistant sealing sheath and the rack-sheath seal are always in close contact with each other to prevent the bracket from being sealed and sealed due to the short stroke of the rack wear-resistant seal. The material enters the rack seal.

6. When the end of the elastic part of the pressure bracket seal sleeve is placed on the guide bracket and the other end of the guide sleeve is placed on the rack seal sleeve, the elastic force of the spring seal of the rack seal sleeve is pressed. The rack seal stop is tightened on the rack stop sleeve off table or when the compression rack seal sleeve end of the elastic member is placed on the rack stop seal off the table and the other end is on the rack seal sleeve Pressing the elastic force of the elastic seal of the rack seal sleeve on the upper side to tighten the rack seal stop on the guide bracket of the guide rod stop gear, preventing the rack seal sleeve from swaying and making the rack wear-resistant seal The sleeve is always sealed with the rack seal seal. When the strong impact reaction force causes the cone to be tightened on the impact guide rod, the punch frame is contracted toward the power box, and the elastic sleeve of the rack seal sleeve is contracted. Make sure that the cone and impact guide rod taper are tighter and tighter. By using the clamping member of the pressing frame to prevent the elastic member from being larger than the wear-resistant sealing sheath of the supporting frame, the use of the reciprocating impact reaction force of the toothed frame is not only correcting the wear-resistant sealing sheath of the carrier but also facilitating the toothing. The cone and the impact guide rod are tapered more and more tightly.

7. Two or more connecting rods are arranged around the power crankshaft in a dislocation setting or 180 degrees. The left link drives the left impact guide frame to reciprocate impact, the right link drives the right impact guide frame to reciprocate impact, and the left thrust frame is set to the left impact guide. On the rod, the right punch frame is disposed on the right impact guide rod, the left impact guide rod is disposed at the front of the left impact guide frame, and the right impact guide rod is disposed at the front of the right impact guide frame, when the left impact guide rod is rearward When retracting, the right impact guide rod is forwardly impacted, and the left tank pressure guide hole is disposed on the left tank guard rod cover between the left box seal and the left rack seal, in the right box seal and right A right row of pressure holes is arranged on the right casing guard rod cover between the rack jacket seals, so that the left row pressure holes are connected with the right row pressure holes, and when the left impact guide rod drives the left frame to impact forward The lubricating body and gas in the sealed cavity of the right rack are inserted into the left bracket heat sealing hole through the right row pressure hole and the left row pressure hole, and the right tooth is driven when the right impact guide rod drives the right punch frame to retract backward. The casing seals the lubricating body inside the cavity, and the gas passes through the right row of pressure holes. The pressure hole and the suction force generated by the reciprocating impact of the left and right tooth frames are complemented by the left and right pressure holes, and the pressure and suction force generated by the reciprocating impact of the left and right tooth frames are complemented by the left and right pressure holes, thereby avoiding the cavity and the cavity. The pressure is damaged to the carrier sheath seal and the box seal.

8. Between the sealing end face of the rack cover outside the rack cover seal and the outer end surface of the box guard rod cover, a guard frame sheath block material is arranged, and the guard frame sheath block material will be The space between the inner sealing end surface of the rack cover and the outer end surface of the box guard rod cover is filled or the outer end surface of the guard frame sheath block material and the inner end surface of the rack housing are provided with a protective sleeve collision gap. , protective cover collision room The gap is less than or equal to the maximum compressive deformation of the rack seal, avoiding the bulk material entering between the seal end surface of the rack jacket and the outer end surface of the box guard rod cover, damaging the rack seal seal and the rack guard The inner sealing end face is made of an elastic body sheath block member to avoid hard collision damage with the guard frame sheath block material when the toothed frame wear-resistant sealing sheath is shaken left and right.

9. The outer guide surface of the rack jacket guides the material accumulated on the outer mouth of the rack wear-resistant sealing sheath to prevent the material from being squeezed into the gap between the rack wear-resistant sealing sheath and the box guard rod cover. To avoid material accumulation on the surface of the power box to form a cushion and then push the damage to the rack wear-resistant sealing sheath.

10. The outer wear-resistant sealing sheath is arranged outside the box guard rod cover, and the outer wear-resistant sealing sheath is fastened with the bracket fixing sheath boss or the outer wear-resistant sealing sheath and the bracket fixing jacket groove Fastening or setting the outer sheathing member to make the outer wear-resistant sealing sheath and the end surface of the rack fixing sheath are fixed and fixed, and the outer wear-resistant sealing sheath and the bracket fixing sleeve groove end face are provided with a sealing outer cover The sleeve is fastened to the end of the toothed frame or the outer wear-resistant sealing sheath and the groove of the fixed bracket of the bracket, and the sleeve-fastening groove anti-swaying frame is fastened in the groove of the fixed bracket of the rack, the rack The fixed sheath groove holds the sheath buckle groove anti-sway table to prevent the wear-resistant sealing sheath of the rack from swaying, and the left split sheath side fastening end surface and the right split sheath side fastening end surface pass the two fastening surfaces The left and right sheath side seals are sealed between the close-fitting seal or the left split sheath side fastening end face and the right split sheath side fastening end face, and the left split outer cover is used when the right split sheath side groove is used. The sealing sheath is provided with a left split sheath side boss, and the right split sheath side groove is fastened to the left split sheath side boss to prevent the left After the body outer sealing seal and the right split outer sealing seal are fastened, the reciprocating impact reaction force and the lateral force splitting, or when the left and right split sheath hoops are locked, the left and right split sheath hoops are locked. The outer surface of the left split outer sealing sealing sheath and the right split outer sealing sealing sheath are locked to prevent the left split outer sealing sealing sheath and the right split outer sealing sealing sheath from cracking, and the split outer wear wear sealing sheath is set. And the use of the open rack sheath seals completely solves the problem that the toothed rack must be removed from the reciprocating impact guide rod due to the replacement of the rack seal seal and the rack wear seal sleeve, and then the rack support The sealing member and the rack wear-resistant sealing sheath are taken out and replaced, and the replacement time is difficult, and the replacement of the tank sealing member takes at least four hours or more, and the replacement at the mining site is extremely difficult, thereby improving the maintenance efficiency. Easy to operate, save time and labor.

11. Set the bracket fixing sleeve groove at the rear of the tooth frame or the tooth frame fixing sheath boss at the rear of the tooth frame, at the end of the punch frame toward the box end, with the impact guide rod axis as the center Set the circular fixed sheath groove, and fasten the left split outer sealing seal sheath and the right split outer sheath sealing sheath end to the circular fixed sheath groove, and fix the sheath groove with the circular A screw fixing plate hole is arranged on the other side of the opposite tooth frame, and the screw fixing piece is arranged on the left split outer sealing sealing sheath and the right split outer sealing sealing sheath and the circular fixed sheath groove end surface The corresponding threaded hole of the hole of the hole, screw the screw fixing member through the hole of the screw fixing member into the threaded hole of the sheath, and tighten the left split outer sealing sealing sheath and the right split outer sealing sealing sheath, and set on the screw fixing member The screw locking member prevents the screw fixing member from loosening or tightens the screw fixing member to prevent the screw fixing member from loosening. When the cleaning of the split outer wear-resistant sealing sheath is required, the screw fixing member is removed, that is, the split outer casing is resistant. Grinding seal jacket After cleaning, the left split outer sheath sealing sheath, the right split outer sheath sealing sheath, the rack sheath seal, and the box seal are cleaned, and the lubricating medium is installed into the split outer wear-resistant sealing sheath and then fixed by screws. The parts are fixed, which realizes the maintenance of the toothed frame without disassembly, improves the efficiency and reduces the cost, reduces the maintenance workload of the on-site workers, and improves the service life of the reciprocating mining machine.

BRIEF DESCRIPTION OF THE DRAWINGS:

1 is a schematic structural view of a wear-resistant sealing sheath impact device of a mining machine rack according to Embodiment 1;

2 is a schematic structural view of a wear-resistant sealing sheath impact device of a mining machine rack according to Embodiment 2;

3 is a schematic structural view of a wear-resistant sealing sheath impact device of a mining machine rack according to Embodiment 2;

4 is a schematic structural view of a wear-resistant sealing sheath impact device of a mining machine rack according to Embodiment 3;

5 is a schematic structural view of a wear-resistant sealing sheath impact device of a mining machine rack according to Embodiment 3;

6 is a schematic structural view of a wear-resistant sealing sheath impact device of a mining machine rack according to Embodiment 4;

7 is a schematic structural view of a wear-resistant sealing sheath impact device of a mining machine rack according to Embodiment 5;

8 is a schematic structural view of a wear-resistant sealing sheath impact device of a mining machine rack according to Embodiment 6;

9 is a schematic structural view of a wear-resistant sealing sheath impact device of a mining machine rack according to Embodiment 7;

Figure 10 is a partial structural schematic view showing the impact device of the wear-resistant sealing sheath of the mining machine rack of the embodiment 8;

Figure 11 is a partial structural view showing the impact device of the wear-resistant sealing sheath of the mining machine rack in the embodiment 9;

12 is a schematic structural view of a wear-resistant sealing sheath impact device of a mining machine rack according to Embodiment 10;

Figure 13 is a partial structural schematic view showing the impact device of the wear-resistant sealing sheath of the mining machine rack of the embodiment 11;

Figure 14 is a partial structural view showing the impact device of the wear-resistant sealing sheath of the mining machine frame in the embodiment 12;

Figure 15 is a partial structural view showing the impact device of the wear-resistant sealing sheath of the mining machine frame in the thirteenth embodiment;

Figure 16 is a cross-sectional view taken along line A-A of Figure 15;

Figure 17 is a partial structural view showing the impact device of the wear-resistant sealing sheath of the mining machine rack of the embodiment 14;

Figure 18 is a cross-sectional view of the outer wear-resistant sealing sheath of the embodiment 14;

Figure 19 is a cross-sectional view taken along line A-A of Figure 18;

20 is a schematic structural view of an outer wear-resistant sealing sheath in Embodiment 15;

In the figure: 1, the tooth frame; 2, the rack wear-resistant sealing sheath; 3, the box guard rod cover; 4, the impact guide rod; 5, the impact guide frame; 6, the power box; 7, the box Sealing member; 8, front end face of the box guard rod cover; 9, rack mounting seal; 10, sealing sleeve facing the front end surface of the guide rod cover; 11, guide rod retaining frame sealing sheath table; 12, fixed teeth Sheath seal jacket groove; 13, rack seal sleeve block; 14, rack stop seal sleeve off; 15, the bracket fixed seal sheath end; 16, seal sleeve with the rack end; 17, rack seal Inner cavity wear surface; 18, sheath wear-resistant sealing surface; 19, box floating seal; 20, pin stop; 21, rack seal seal groove; 22, rack wear-resistant seal sheath Outer round surface; 23, fixed rack seal sleeve The inner surface of the block; 24, the outer ring surface of the fixed frame seal sleeve; 25, the sheath guard; 26, the upper frame connection sleeve; 27, the upper impact guide rod; 28, the tooth frame connection; 29, multi-punch frame; 30, lower frame; 31, lower frame connection sleeve; 32, upper frame; 33, disassemble wire hole; 34, lower impact guide bar; 35, rack block Sealing sleeve falling off; 36, impact frame taper sleeve; 37, guide rod fixed sealing sleeve stop round surface; 38, impact guiding cone rod; 39, punching frame inner pushing stroke section; 40, pressing rack sealing sleeve Table elastic member; 41, left rack sheath sealing cavity; 42, left box seal; 43, left impact guide rod; 44, left link; 45, left impact guide; 46, power crank; Right impact guide frame; 48, right link; 49, connecting rod; 50, right impact guide rod; 51, right box seal; 52, right rack seal cavity; 53, right guard guide Cover; 54, right carrier sheath seal; 55, right carrier seal sheath; 56, right punch frame; 57, left row pressure hole; 58, right row pressure hole; 59, left tooth frame; Left bracket seal Set; 61, rack seal cavity; 62, box left guard rod cover; 63, left rack sheath seal; 64, guard frame sheath block material; 65, rack support Inner sealing end face; 66, outer guide surface of the rack outer sheath; 67, bracket fixed sheath boss; 68, outer wear-resistant sealing sheath; 69, fixed wear-resistant sealing jacket structure; 70, fixed outsourcing Kit; 71, cylindrical pin fixing member; 72, outer sheathing inner cylinder sealing groove; 73, carrier fixing sheath groove; 74, sheath fastening groove anti-swaying table; 75, outer sheathing inner tube Sealing surface; 76, right split outer sheath sealing sheath; 77, screw fixing member; 78, left split outer sheath sealing sheath; 79, left split sheath side fastening end face; 80, right split sheath side buckle End face; 81, round fixed sheath groove; 82, screw fixing table hole; 83, screw locking member; 84, sheath threaded hole; 85, sealing outer sheath and carrier member; 86, left and right protection Sleeve side seal; 87, right split sheath side groove; 88, left split sheath side boss; 89, locking left and right split sheath hoop.

detailed description

The invention will be further described below in conjunction with the accompanying drawings.

Example 1

As shown in FIG. 1 , the impact device of the mining machine rack wear-resistant sealing sheath 2 comprises a punching frame 1, a box guard rod cover 3, a rack wear-resistant sealing sheath 2, an impact guiding frame 5 and a power box 6 and the like. The impact guide frame 5 is disposed in the power box body 6. The box body seal member 7 is disposed between the impact guide frame 5 and the power box body 6. The box body guard rod cover 3 is fixedly connected with the power box body 6, and the impact guide is provided. The frame 5 includes an impact guiding rod 4 and the like. The end of the impact guiding rod 4 is disposed at the box guard rod cover 3 outside the power box body 6, and the rear side of the punching frame 1 is provided with a rack wear-resistant sealing sheath 2, etc. The rear part of the tooth frame 1 is connected with the impact guiding rod 4, and the rack wear-resistant sealing sheath 2 is disposed outside the box guard rod cover 3, the rack wear-resistant sealing sheath 2 and the box guard rod cover 3 A rack seal seal 9 is arranged between the rack seal sleeves 2, and when the rack wear seals 2 are disposed outside the box guard caps 3, the rack seal sleeves are provided on the rack wear seals 2 The wear-resistant surface 17 and the like, the wear-resistant surface 17 of the rack seal sleeve and the rack-sheath seal 9 are matched and sealed, and the rack wear-resistant seal sheath 2 includes the seal sleeve facing the front end surface 10 of the guide rod cover, etc. Guide rod The front end surface 8 and tooth-carrier 2 toward the abradable casing jacket cover guard guide rod 3 from the end face is larger than the reciprocating impact stroke, when the tooth-resistant When the grinding seal sheath 2 and the punch frame 1 are connected separately, a fixed rack seal jacket groove 12 is provided at the joint portion of the impact guide rod 4 and the punch frame 1 to prevent the rack wear-resistant sealing sheath 2 from falling off when used. When the fixed rack seal sleeve groove 12 is fixed to the rack wear-resistant sealing sheath 2, a guide rod rack seal sealing platform 11 is arranged at the front of the impact guide rod 4, correspondingly on the rack wear-resistant sealing sheath 2 The rack seal sleeve 13 is arranged, the rear end of the rack 1 is provided with a bracket sealing end face 15 , and the rack wear sealing sheath 2 is provided with a sealing sleeve matched with the rack end face 16 , and the sealing sleeve is matched with the rack The end surface 16 is disposed on the end surface 15 of the rack fixed sealing sheath, and the tooth holder 1 is further provided with a rack stop seal sleeve releasing member 14, and the punch frame 1 is fixed on the impact guiding rod 4, so that the guide rod blocking bracket The sealing sheath table 11 prevents the rack sealing sleeve block 13 from moving toward the power box body 6. The rack wear-resistant sealing sheath 2 is provided with a rack wear-resistant sealing surface matched with the rack-sheath sealing member 9 The fixed rack sealing sleeve groove 12 formed by the rack 1 and the impact guiding rod 4 makes the rack wear-resistant sealing surface of the rack wear-resistant sealing sheath 2 always with the rack guard The sealing member 9 is matched and sealed, and the length of the overlapping portion of the rack wear-resistant sealing sheath 2 and the box guard rod cover 3 is greater than the impact stroke of the reciprocating impact of the punching frame 1 , and the rack supporting for the reciprocating impact of the punching frame 1 The sleeve seal 9 is located in the overlapping section of the rack wear-resistant sealing sheath 2 and the box guard rod cover.

The rack wear-resistant sealing sheath 2 is an integral rack sealing sheath, and the rack sheath seal 9 is a loop-closed rack sheath seal.

It is also possible that the rack wear-resistant sealing sheath 2 and the punch frame 1 are of an integral structure.

A carrier guard seal groove 21 can also be provided on the carrier wear seal jacket 2.

It is also possible to provide a toothed frame wear-resistant sealing sheath 2 at the rear of the tooth frame 1 or a wear-resistant sealing sheath 2 or a toothed frame wear-resistant sealing sheath 2 and a toothed frame 1 by a threaded connection or a rack wear-resistant sealing sheath 2 With the punch frame 1 through the tapered surface, etc.

The rack wear-resistant sealing sheath 2 is also a split rack sealing sheath, and the split rack sealing sheath comprises a split outer wear-resistant sealing sheath 68 or a split built-in wear-resistant sealing sheath, etc. The wear-resistant sealing sheath 68 is disposed outside the box guard rod cover 3, and the separate built-in wear-resistant sealing sheath is disposed inside the box guard rod cover 3.

It is also possible that the carrier guard seal 9 is an open carrier jacket seal.

Example 2

As shown in Fig. 2 and Fig. 3, a wear-resistant sealing sheath 2 impact device of the mining machine rack, the rack wear-resistant sealing sheath 2 is arranged inside the box guard rod cover 3, and the rack wear-resistant sealing sheath 2 is provided with a rack cover seal 9 between the box guard cover 3, and when the rack wear seal cover 2 is disposed inside the box guard cover 3, the rack wear seal is protected The sleeve 2 is provided with a sheath wear-resistant sealing surface 18, and the sheath wear-resistant sealing surface 18 is matched with the rack sheath seal 9 for sealing.

A rack seal seal groove 21 may also be disposed on the rack wear seal sleeve 2, and a rack guard seal 9 may be disposed on the rack seal seal groove 21, the rack cover seal 9 and the case The inner cavity of the guard rod cover 3 is matched and sealed, and the rack cover seal 9 prevents the material dust from entering the box guard cover 3, preventing the material from damaging the box seal 7.

The rack wear-resistant sealing sheath 2 retaining member is a pin retaining member 20.

Also, the rack wear-resistant sealing sheath 2 is a nut retaining member, a screw retaining member, a retaining ring retaining member, a bonding retaining member, a card slot retaining member, a retaining member, and a lifting pin. Stopper, top wire hole pin stop or key stop.

The rest are the same as in the first embodiment.

Example 3

As shown in FIG. 4 and FIG. 5 , an impact device for the wear-resistant sealing sheath 2 of the mining machine rack, the rack sealing sleeve 13 includes a circular surface 23 of the fixed rack sealing sleeve, and the corresponding impact guiding rod 4 is provided with a fixed toothed frame sealing sleeve outer circular surface 24, the fixed toothed frame sealing sleeve inner circular surface 23 and the fixed toothed carrier sealing sleeve outer circular surface 24 cooperate to prevent the toothed frame wear-resistant sealing sheath 2 along The impact guide rod 4 is rocked left and right in the axial direction.

The inner ring surface 23 of the fixed rack sealing sleeve can also be matched with the outer circular surface 24 of the fixed rack sealing sleeve block, and the sealing sleeve cooperates with the rack end surface 16 and the bracket fixed sealing sheath end surface 15 cooperates to prevent the rack from wearing a wear seal. The sheath 2 is rocked left and right along the axial direction of the impact guide rod 4.

Alternatively, the sealing sleeve can be matched with the rack end surface 16 and the rack fixing sealing sheath end surface 15 to prevent the rack wear-resistant sealing sheath 2 from swaying in the axial direction of the impact guiding rod 4.

The rest are the same as in the first embodiment.

Example 4

As shown in FIG. 6 , a mining machine rack wear-resistant sealing sheath 2 impact device is provided, and a sheath guard 25 is disposed at the rear of the punch frame 1 , and the sheath guard 25 is spaced apart at the rear of the punch frame 1 , and the sheath The shape of the guard 25 does not form an extrusion surface with the end surface of the box guard rod cover 3, preventing material from accumulating between the sheath guard 25 and the box guard cover 3, and the sheath guard 25 prevents material damage and damage. Wear-resistant sealing sheath 2.

The rest are the same as in the first embodiment.

Example 5

As shown in FIG. 7 , a mining machine rack wear-resistant sealing sheath 2 impact device, the punch frame 1 includes an upper punch frame 32 and a lower punch frame 30, and the punch frame 1 is a multi-punch frame 29, The multi-punch frame 29 includes an upper frame connecting sleeve 26, a lower frame connecting sleeve 31, a punching frame connecting member 28, and the like, and one end of the punching frame connecting member 28 is disposed on the upper punch frame connecting sleeve 26, The other end is disposed on the lower frame connecting sleeve 31, and the frame connecting member 28 connects the upper frame connecting sleeve 26 and the lower frame connecting sleeve 31 to one body, the upper frame connecting sleeve 26 and the lower punching teeth. The frame connecting sleeves 31 are respectively engaged with the upper punching frame 32 and the lower punching frame 30, and the impact guiding rod 4 includes an upper impact guiding rod 27 and a lower impact guiding rod 34, etc., and the multi-punch punching frame 29 will be an upper impact guiding rod. 27. The lower impact guide rod 34 is fastened in one piece.

The punch frame 1 can also be a single punch punch frame 1.

The rest are the same as in the first embodiment.

Example 6

As shown in FIG. 8 , a mining machine rack wear-resistant sealing sheath 2 impact device is provided, and the rack wear-resistant sealing sheath 2 is provided with a disassembling wire hole 33 and the like.

It is also possible to provide a rack wear-resistant sealing sheath 2 at the rear of the tooth frame 1 to remove the top wire hole and the like.

The rest is the same as in the embodiment 6.

Example 7

As shown in FIG. 9 , a mining machine rack wear-resistant sealing sheath 2 impact device, the punch frame 1 and the impact guide rod 4 are fixedly connected by a cone surface, and when the punch frame 1 is fixedly connected with the impact guide rod 4 When the impact frame cone 36 is disposed on the impact frame 1, an impact guide cone 38 is disposed on the impact guide rod 4, and a guide bar gear seal sealing platform 11 is disposed on the impact guide cone 38, on the impact frame. The rack stop seal sleeve falling platform 35 is disposed, and a guide rod fixed seal sleeve stop surface 37 is disposed at a front end of the guide rod stop rack seal sheath table 11 to seal the guide rod fixed seal sleeve stop surface 38 and the fixed bracket The inner surface 23 of the sleeve is fastened, so that the axial wear-resistant sealing sheath 2 of the rack is axially aligned with the impact guide rod 4, and the guide bracket block 11 and the rack seal sleeve 13 are When the reciprocating impact reaction force pushes the punching frame 1 along the impact guiding rod 4 toward the power box 6 when the reciprocating impact reaction force is pushed, the rear end of the punching frame 1 pushes the stroke portion 39 into the punching frame. Moving, ensuring that the toothed frame 1 and the impact guiding cone 38 are tightly tapered, the thrusting frame inner pushing stroke 39 is smaller than the reciprocating impact stroke, and the carrier is resistant 2 is greater than the length of the sheath is sealed reciprocating impact implementation process section 39 in the length of stroke of the tooth-carrier red plus the abradable seal tooth-carrier and tooth-carrier sheath 2 the sheath seal member 9 is always in close contact with each other in a sealed state.

The punching frame 1 and the impact guiding rod 4 can also be fixedly connected by screwing or the punching frame 1 and the impact guiding rod 4 can be fixedly connected by the card slot or the impact frame 1 and the impact guiding rod 4 can be fixedly connected by the toothed frame retaining member. .

A toothing frame inward stroke portion 39 may also be provided between the rack stop seal sleeve drop table 35 and the rack seal sleeve stop 13.

The rest are the same as in the first embodiment.

Example 8

As shown in FIG. 10, the pressing frame of the toothed frame is provided with a pressing frame seal sleeve elastic member 40, etc., and the one end of the elastic frame 40 of the pressure frame sealing sleeve is placed on the guide rod stop gear sealing protection. The other end of the sleeve 11 is pressed against the rack seal sleeve 13 to press the elastic force of the rack seal sleeve elastic member 40. The rack seal sleeve 13 is tightened on the rack stopper sleeve off table 35. The rack sealing sleeve 13 is prevented from being swayed so that the rack wear-resistant sealing sheath 2 is always sealed with the rack-sheath sealing member 9 when the strong impact reaction force causes the cone to be tightened on the impact guiding rod 4 When the frame 32 moves in the direction of the power box 6, the pressure-retaining frame seal sleeve elastic member 40 is contracted to ensure that the tapered surface of the punch frame 1 and the impact guide rod 4 are tapered.

The rest are the same as in the first embodiment.

Example 9

As shown in FIG. 11, the pressing frame inner pressing portion 39 is provided with a pressing frame sealing sleeve block elastic member 40, etc., and the pressing frame sealing cover block elastic member 40 is at one end of the tooth frame blocking sealing sleeve falling off table. The other end of the upper end of the 35 is pressed against the rack seal sleeve 13 to compress the elastic force of the rack seal sleeve elastic member 40. The rack seal sleeve 13 is tightened on the guide rod bracket seal sheath table 11 The rack sealing sleeve 13 is prevented from being swayed so that the rack wear-resistant sealing sheath 2 is always sealed with the rack-sheath sealing member 9 when the strong impact reaction force causes the cone to be tightened on the impact guiding rod 4 When the frame 32 moves in the direction of the power box 6, the pressure-retaining frame seal sleeve elastic member 40 is contracted to ensure that the tapered surface of the punch frame 1 and the impact guide rod 4 are tapered.

The rest are the same as in the first embodiment.

Example 10

As shown in FIG. 12, the external sealing surface of the cavity formed by the rack wear-resistant sealing sheath 2, the rack sheath seal 9 and the box guard rod cover 3, and the box seal 7, the power box 6 and A rack cover sealing cavity 61 is formed between the inner end sealing faces of the impact guiding rod 4 and the like. The impact guiding frame 5 includes a power crankshaft 46, a connecting rod 49, etc., and two or more connecting rods 49 are disposed on the power crankshaft 46. Etc., two or more connecting rods 49 are disposed offset or disposed at 180 degrees around the power crankshaft 46. The connecting rod 49 includes a left link 44 and a right link 48, etc., and the impact guide frame 5 includes a left impact guide frame 45 and a right impact guide. The frame 47 and the like, the left link 44 drives the left impact guide frame 45 to reciprocate impact, and the right link 48 drives the right impact guide frame 47 to reciprocate impact. The impact guide rod 4 includes a left impact guide rod 43 and a right impact guide rod 50, etc. The frame 1 includes a left frame 59 and a right frame 56, the left frame 59 is disposed on the left impact guide bar 43, the right frame 56 is disposed on the right impact guide bar 50, and the left impact guide bar 43 is disposed. At the front of the left impact guide 45, the right impact guide bar 50 is disposed at the front of the right impact guide 47, when left When the striker rod 43 is retracted backward, the right impact guide rod 50 is forwardly impacted, and the power box body 6 is provided with a box left guard rod cover 62 and a box right guard rod cover 53, etc., the rack wear seal protection The sleeve 2 includes a left carrier sealing sheath 60 and a right carrier sealing sheath 55, etc., and the carrier sheath sealing member 9 includes a left carrier sheath seal 63 and a right carrier sheath seal 54, etc., the cabinet seal The piece 7 includes a left case seal 42 and a right case seal 51, etc., a case left guard cover 62 and a left carrier seal cover 60, a left carrier cover seal 63, and a left case seal 42 The left impact guide rod 43 and the like form a left rack seal cavity 41, a box right guard rod cover 53 and a right rack seal sheath 55, a right rack cover seal 54, and a right case seal 51. The right impact guide rod 50 and the like form a right carrier sheath sealing cavity 52, and a left row pressure is disposed on the left casing guard rod cover 3 between the left casing seal 42 and the left carrier sheath seal 63. The hole 57 and the like, a right row of pressure holes 58 and the like are disposed on the right case guard rod cover 3 between the right case seal 51 and the right frame cover seal 54 to make the left row of pressure holes 57 and the right row of pressure Hole 58 is connected, when When the left impact guide rod 43 drives the left tooth frame 59 to impact forward, the lubricating body, gas, and the like in the right carrier sheath sealing cavity 52 enter the left carrier sheath sealing cavity through the right row pressure hole 58 and the left row pressure hole 57. The body 41, when the right impact guide rod 50 drives the right tooth frame 56 to retract backward, the lubricating body, the gas, etc. in the right rack sheath sealing cavity 52 pass through the right row of pressure holes 58 and The left row pressure hole 57 is pressed into the left rack boot cavity 41, and the pressure and suction generated by the reciprocating impact of the left and right racks 59 and the right rack 56 are used by the left row of pressure holes 57 and the right row of pressure holes 58. Complementary, avoiding damage to the carrier sheath seal 9 and the case seal 7 in the cavity.

The rest are the same as in the first embodiment.

Example 11

As shown in FIG. 13, the rack cover seal 9 is disposed on the outer end surface of the box guard rod cover 3, and the inner cavity of the rack wear seal sleeve 2 is provided with a rack that is sealed with the rack guard seal 9 The inner sealing end surface 65 of the sheath, the guard ring sheath end piece 64 and the outer end surface of the box guard rod cover 3 are disposed between the outer end surface 65 of the rack outer cover of the rack guard seal 9 and the outer end surface of the box guard rod cover 3, The guard frame sheath block member 64 fills the space between the inner seal end face 65 of the rack cover and the outer end face of the case guard cover 3 or the outer end face and teeth of the guard frame sheath block member 64 There is a protective sleeve collision gap between the sealing end faces 65 of the frame sheath, and the collision gap of the protective sleeve is less than or equal to the maximum compression deformation amount of the rack sealing member 9 to prevent the bulk material from entering the sealing end surface 65 of the rack jacket and The carrier guard seal 9 is damaged between the outer end faces of the box guard rod cover 3.

The rack wear-resistant sealing sheath 2 is provided with a rack-sheath outer-side guide surface 66, etc., and the rack-sheath outer-port guide surface 66 leads out the material accumulated on the outer mouth of the rack wear-resistant sealing sheath 2, preventing The material is squeezed into the gap between the rack wear-resistant sealing sheath 2 and the box guard rod cover 3.

The rest are the same as in the first embodiment.

Example 12

As shown in FIG. 14, the tooth frame 1 includes a fixed wear-resistant sealing sheath structure 69, and the fixed wear-resistant sealing sheath structure 69 includes a rack-fixing sheath boss 67, etc., and the rack wear-resistant sealing sheath 2 includes an outer package. The wear-resistant sealing sheath 68 and the like, the outer wear-resistant sealing sheath 68 is disposed outside the box guard rod cover 3, and the outer wear-resistant sealing sheath 68 includes the whole outer-wearing wear-resistant sealing sheath 68, etc., the outer wear-resistant sealing sheath 68 is fastened to the bracket fixing boss boss 67, and the outer wear-resistant sealing sheath 68 is provided with the outer sheath inner cylinder seal groove 72 and the like.

The outer wear-resistant sealing sheath 68 includes a fixed outer sheathing member 70 and the like, and the fixed outer sheathing member 70 includes a cylindrical pin fixing member 71, and may also be a nut fixing member, a screw fixing member 77, a pin fixing member, an adhesive fixing member, The pin fixing member, the cylindrical pin fixing member 71, the taper pin fixing member or the top wire hole pin fixing member, and the like.

The rest are the same as in the first embodiment.

Example 13

As shown in FIGS. 15 to 16, the punch frame 1 includes a fixed wear-resistant sealing sheath structure 69, etc., and the fixed wear-resistant sealing sheath structure 69 includes a bracket fixing sheath groove 73, etc., the rack wear-resistant sealing sheath 2 Including the outer wear-resistant sealing sheath 68, etc., the outer wear-resistant sealing sheath 68 is disposed outside the box guard rod cover 3, and the outer wear-resistant sealing sheath 68 includes a split outer wear-resistant seal guard The sleeve 68 and the like, the outer wear-resistant sealing sheath 68 is fastened and fixed with the rack fixing sheath groove 73, the outer wear-resistant sealing sheath 68 is provided with the outer sheath inner cylinder sealing surface 75, and the outer wear-resistant sealing sheath 68 and The end of the bracket fixing sleeve groove 73 is fastened and tightly sealed, and the rear end of the split outer wear-resistant sealing sheath 68 is provided with a sheath fastening groove anti-swaying platform 74 that is engaged with the rack fixing sheath groove 73. Etc., the sheath fastening groove anti-swaying table 74 is fastened in the rack fixing sheath groove 73, and the rack fixing sheath groove 73 holds the sheath fastening groove anti-swaying table 74 to prevent the rack from wearing wear. The sealing sheath 2 is swayed, and the split outer wear-resistant sealing sheath 68 includes a left split outer sealing seal 78 and a right split outer sealing seal 76, and the split outer wear-resistant sealing sheath 68 includes a left split sheath. The side cover side end face 79 and the right split case side pinch end face 80 and the like, and the left split case side fastening end face 79 and the right split sheath side fastening end face 80 are tightly sealed by the two engaging faces.

The outer wear-resistant sealing sheath 68 includes a fixed outer sheathing member 70 and the like, and the fixed outer sheathing member 70 includes a cylindrical pin fixing member 71, and may also be a nut fixing member, a screw fixing member 77, a pin fixing member, an adhesive fixing member, Up-pin fixing parts, taper pin fixing parts, circlip fixing parts, card slot fixing parts, retaining ring fixing parts or top wire hole pin fixing parts.

The rest are the same as in the first embodiment.

Example 14

As shown in FIGS. 17 to 19, the outer wear-resistant sealing sheath 68 includes a split outer wear-resistant sealing sheath 68, etc., and the outer wear-resistant sealing sheath 68 and the bracket fixing sheath groove 73 are fastened with a sealing outer surface. The sheath and the rack member 85 and the like, the split outer wear seal seal 68 includes a left split outer seal seal 78 and a right split outer seal seal 76, etc., the split outer wear seal seal 68 includes a left branch The body sheath side fastening end surface 79 and the right split sheath side fastening end surface 80 and the like, and the left and right sheath sheath side fastening end faces 79 and the right split sheath side fastening end face 80 are provided with a left and right sheath side seal. The member 86 is sealed or the like, the right split outer sheath sealing sheath 76 includes a right split sheath side groove 87, and the left split outer sheath sealing sheath 78 is provided with a left split sheath side boss 88, etc., and the right split sheath side The groove 87 is fastened to the left split sheath side boss 88 to prevent the left split outer sealing seal 78 and the right split outer seal seal 76 from being engaged by the reciprocating impact reaction force and the lateral force splitting.

The outer wear-resistant sealing sheath 68 includes a fixed outer sheathing member 70 and the like, and the fixed outer sheathing member 70 includes a screw fixing member 77, etc., and a bracket fixing sheath groove 73 is provided at the rear of the punching frame 1 to fix the bracket The sleeve groove 73 includes a circular fixed sheath groove 81 and the like. At the end of the punch frame 1 facing the box body, a circular fixed sheath groove 81 is arranged at the center of the axis of the impact guide rod 4, and the left split body is outsourced. The rear end of the sealing sheath 78 and the right split outer sealing seal 76 are snugly engaged in the circular fixed sheath groove 81 on the other side of the punch frame 1 opposite to the circular fixed sheath groove 81. The screw fixing member hole 82 and the like are disposed, and the left split outer covering sealing sheath 78 and the right split outer sealing sealing sheath 76 are disposed on the end surface of the circular fixed sheath groove 81 to correspond to the screw fixing member hole 82. The jacket threaded hole 84 or the like, and then the screw fixing member 77 is screwed through the screw fixing member hole 82 into the sheath threaded hole 84 to tighten the left split outer sealing seal 78 and the right split outer sealing seal 76. The screw locking member 83 is provided on the screw fixing member 77 to prevent the screw fixing member 77 from being loosened.

The carrier fixing sheath groove 73 may also be a polygonal fixed sheath groove or the like.

The fixed outer sheathing member 70 may also be a nut fixing member, a pin fixing member, an adhesive fixing member, a rising pin fixing member, a cylindrical pin fixing member 71, a tapered pin fixing member, a circlip fixing member, a card slot fixing member, and a retaining ring. Fixing parts or top wire hole pin fixing parts, etc.

The rest is the same as in Example 13.

Example 15

As shown in FIG. 20, the right split outer envelope sealing sheath 76 includes a locking left and right split sheath collar 89, etc., and the left and right split sheath collars 89 are disposed on the left split outer sheath seal jacket 78 and the right split outer jacket. The outer face of the sealing sheath 76 is locked to prevent the left split outer sealing seal 78 and the right split outer sealing seal 76 from cracking.

The rest is the same as in Example 14.

Claims

The mining machine rack wear-resistant sealing sheath impact device is characterized in that it comprises a punching frame, a box guard rod cover, a rack wear-resistant sealing sheath, an impact guiding frame and a power box body, and the impact guiding frame is arranged in the power Inside the box body, a box sealing member is arranged between the impact guiding frame and the power box body, and the box body guiding rod cover is fixedly connected with the power box body, the impact guiding frame comprises an impact guiding rod, and the end of the impact guiding rod is arranged in the power box The outer casing guard rod cover is provided with a rack wear-resistant sealing sheath at the rear of the punch frame, and the rack wear-resistant sealing sheath, including the integral rack seal sheath or the split rack seal sheath, The body frame sealing sheath comprises a split outer sheath wear-resistant sealing sheath or a split built-in wear-resistant sealing sheath, and the split outer wear-resistant sealing sheath is arranged outside the box guard rod cover, and the split built-in wear-resistant seal protector The sleeve is disposed on the inner side of the box guard cover, the rear part of the rack is connected with the impact guide rod, and the rack wear seal is disposed inside the box guard cover or outside the box guard cover a rack is provided between the rack wear-resistant sealing sheath and the box guard rod cover a sleeve seal, the rack seal seal comprising a ring closure carrier jacket seal and/or an open rack jacket seal, when the rack wear seal jacket is disposed outside the tank guard cover Providing a wear-resistant surface of the inner cavity of the rack seal sleeve on the wear-resistant sealing sheath of the rack or providing a rack-sheath seal groove on the wear-resistant sealing sheath of the rack, the wear-resistant surface of the rack seal sleeve and the rack The sheath seal is matched and sealed, and the rack wear-resistant sealing sheath comprises a sealing sleeve facing the front end surface of the guide rod cover, and the front end surface of the box guard rod cover and the wear-resistant sealing sheath of the rack facing the end surface of the box guard rod cover Greater than the reciprocating impact stroke, or when the rack wear-resistant sealing sheath is disposed inside the box guard rod cover, the sheath wear-resistant sealing surface or the wear-resistant seal on the rack is provided outside the rack wear-resistant sealing sheath A rack cover seal groove is arranged on the sheath, a rack cover seal is arranged on the slot of the rack seal seal, the rack cover seal is matched with the inner cavity of the box guard rod cover, and the rack cover is sealed. The seal prevents the material dust from entering the box guard cover, preventing the material from damaging the box seal, and the rack is resistant. The sealing sheath and the tooth frame are integrally or separately connected. When the toothed frame wear-resistant sealing sheath and the tooth frame are connected separately, the rear of the tooth frame is provided with a wear-resistant sealing sheath of the frame. The retracting or toothed frame wear-resistant sealing sheath and the toothed frame are screwed back or the toothed frame wear-resistant sealing sheath and the toothed frame are stopped by the tapered surface or the fixed tooth frame is arranged at the joint of the impact guiding rod and the toothed frame The sealing sheath groove prevents the wear-resistant sealing sheath of the rack from falling off, or when the fixed rack is used to seal the sheath groove to fix the rack wear-resistant sealing sheath, a guide rod bracket sealing sheath platform is arranged at the front of the impact guiding rod Correspondingly, a rack seal sleeve is arranged on the wear-resistant sealing sheath of the rack, and a rear end of the rack is provided with a sealing sleeve end face of the rack, and a wear sleeve of the rack is provided with a sealing sleeve and a rack. The end face, the sealing sleeve and the end surface of the toothed rack are arranged on the end surface of the fixed sealing sleeve of the rack, and the tooth holder is also provided with the falling part of the toothed frame sealing sleeve, and the punching frame is fixed on the impact guiding rod, so that the guiding rod blocks the tooth The frame sealing jacket prevents the carrier seal sleeve from moving toward the power box, and the carrier is resistant The sealing sheath is provided with a rack wear-resistant sealing surface matched with the rack sheath sealing member, and the fixed rack sealing sleeve groove formed by the punching frame and the impact guiding rod makes the rack of the rack wear-resistant sealing sheath resistant The grinding sealing surface is always matched with the rack seal sealing member, and the length of the overlapping section of the rack wear-resistant sealing sheath and the box guard rod cover overlaps the impact stroke of the reciprocating impact of the tooth frame, and the reciprocating impact of the tooth frame The carrier sheath seal is in the rack wear-resistant sealing sheath It overlaps with the box guard cover.
The wearer seal wear impact device of the mining machine rack according to claim 1, wherein the rack seal sleeve comprises a circular inner surface of the fixed rack seal sleeve, and the corresponding impact guide rod is disposed. The outer surface of the fixed rack sealing sleeve block, the inner circular surface of the fixed rack sealing sleeve and the outer circular surface of the fixed rack sealing sleeve block prevent the axial wear-resistant sealing sleeve of the rack from swaying in the axial direction, or the sealing sleeve is matched with the tooth The end face of the frame and the end face of the fixed sealing sleeve of the rack prevent the axial wear of the toothed frame from the left and right sides of the rack, or the inner surface of the fixed rack seal sleeve cooperates with the outer surface of the fixed rack seal sleeve and the sealing sleeve cooperates The end face of the rack and the end face of the fixed sealing sleeve of the rack prevent the wear-resistant sealing sleeve of the rack from swaying left and right along the axial direction of the impact guiding rod.
The wear-resistant sealing sheath impact device of the mining machine rack according to claim 1 is characterized in that: a sheath guard is arranged at the rear of the punch frame, and the sheath guards are arranged at intervals behind the punch frame, and the sheath protection The shape of the piece does not form an extrusion surface with the end surface of the box guard rod cover, preventing material from accumulating between the sheath guard and the box guard rod cover, and the sheath guard prevents material impact damage to the rack wear-resistant sealing sheath .
The wear-resistant sealing sheath impact device of the mining machine rack according to claim 1 is characterized in that: the rear part of the punching frame is provided with a rack wear-resistant sealing sheath to remove the top wire hole and/or the rack wear-resistant sealing guard. The sleeve is provided with a disassembled wire hole.
The wearer seal wear-resisting impact device of the mining machine rack according to claim 1, wherein the punch frame and the impact guide rod are fixedly connected by a taper surface or the punch frame and the impact guide rod are fixedly connected or punched. The frame and the impact guide rod are fixedly connected through the card slot or the impact frame is fixedly connected with the impact guide rod through the toothed frame stop member, or when the punch frame is fixedly connected with the impact guide rod cone surface, the punch frame is set on the punch frame The impact frame taper sleeve is provided with an impact guide cone rod on the impact guide rod, and a guide rod stop gear seal sheath platform is arranged on the impact guide cone rod, and a rack stop seal sleeve off platform is arranged on the punch frame, in the guide rod block The front end of the rack seal sheathing platform is provided with a guide rod to fix the round surface of the sealing sleeve, so that the round surface of the guiding rod fixed sealing sleeve is fastened with the circular surface of the fixed rack sealing sleeve, so that the rack wear-resistant sealing sheath The axial direction is consistent with the axial direction of the impact guiding rod, and the pushing stroke section of the punching frame is arranged between the sealing bracket of the guiding rod bracket and the sealing sleeve of the rack holder or the falling frame of the rack retaining sleeve and the rack are sealed. Set the thrust stroke of the toothed frame between the sets When the reciprocating impact reaction force pushes the tooth frame along the impact guiding rod toward the power box body, the rear end of the tooth frame moves toward the inner stroke of the tooth frame, ensuring that the tooth frame and the impact guiding cone are tight, the teeth The length of the wear-resistant sealing sheath is greater than the length of the reciprocating impact stroke plus the thrust stroke of the toothed frame, so that the wear-resistant sealing sheath of the rack and the rack seal of the rack are always in a tightly sealed state.
The wear-resistant sealing sheath impact device of the mining machine rack according to claim 5, wherein: the pressing frame of the pressing frame is provided with a pressing part of the sealing frame sealing sleeve, and when the sealing frame is pressed One end of the elastic member of the stop is placed on the guide bar When the other end of the rack seal sheath is placed on the rack seal sleeve, the elastic force of the rack seal sleeve elastic member is pressed tightly, and the rack seal stop is tightened on the rack stop sleeve off platform or when The end of the elastic part of the pressure-retaining frame seal sleeve is placed on the off-stand of the rack-stop seal sleeve and the other end is placed on the rack seal sleeve. When the end of the rack seal sleeve is elastic, the elastic force of the rack is sealed. The top of the table is tightly placed on the guide sleeve of the guide rod stop gear, preventing the rack seal sleeve from being swayed, so that the wear-resistant sealing sheath of the rack is always sealed with the rack seal seal, when strong impact reaction force When the cone is tightly pressed on the impact guiding rod, the tooth holder is pressed toward the power box, and the elastic member of the rack sealing sleeve is contracted to ensure that the tapered surface of the punching frame and the impact guiding rod are tapered.
The wearer seal wear-resisting impact device of the mining machine rack according to claim 1, characterized in that: the outer end seal of the cavity formed by the rack wear-resistant sealing sheath, the rack sheath seal and the box guard rod cover The rack seal sealing cavity is formed between the surface and the sealing surface of the cavity formed by the box sealing member, the power box body and the impact guiding rod. The impact guiding frame comprises a power crankshaft and a connecting rod, and more than two are arranged on the power crankshaft. Connecting rod, two or more connecting rods are arranged around the power crankshaft in a dislocation setting or 180 degrees, the connecting rod comprises a left connecting rod and a right connecting rod, the impact guiding frame comprises a left impact guiding frame and a right impact guiding frame, and the left connecting rod drives the left The impact guide frame reciprocates, the right link drives the right impact guide frame to reciprocate impact. The impact guide bar includes a left impact guide bar and a right impact guide bar. The punch frame includes a left and a right tooth frame, and the left frame is set. On the left impact guide bar, the right punch frame is disposed on the right impact guide bar, the left impact guide bar is disposed at the front of the left impact guide frame, and the right impact guide bar is disposed at the front of the right impact guide frame, when the left impact is Guide rod When retracting backward, the right impact guide rod is forwardly impacted, and the power box body is provided with a box left guard rod cover and a box right guard rod cover, and the rack wear seal cover includes a left rack seal sheath and The right carrier sealing sheath, the carrier sheath sealing member comprises a left carrier sheath seal and a right bracket sheath seal, the box seal comprises a left box seal and a right box seal, the box left The guard rod cover and the left rack sealing sheath, the left rack sheath seal, the left box seal, the left impact guide rod form a left rack sheath sealing cavity, the box right guard rod cover and the right tooth The frame sealing sheath, the right carrier sheath seal, the right casing seal, and the right impact guide rod form a right bracket sheath sealing cavity between the left casing seal and the left carrier sheath seal A left row of pressure holes is arranged on the left box guard rod cover, and a right row of pressure holes is arranged on the right box body guide rod cover between the right box body seal and the right rack guard seal to make the left row of pressure holes Connected with the right row of pressure holes, when the left impact guide rod drives the left tooth frame to impact forward, the right bracket protects the body of the lubricating body and the gas passage The right row pressure hole and the left row pressure hole enter the left rack sheath sealing cavity, and when the right impact guide rod drives the right tooth frame to retract backward, the right bracket will seal the cavity body lubricating body and gas through the right row The pressure hole and the left row pressure hole are pressed into the left toothed frame sheath sealing cavity, and the pressure and suction generated by the reciprocating impact of the left and right tooth frames are complemented by the left and right pressure holes, thereby avoiding The pressure inside the chamber is damaged by the carrier seal and the case seal.
The wear-resistant sealing sheath impact device of the mining machine rack according to claim 1, wherein the rack is densely sheathed The sealing member is disposed on the outer end surface of the casing guard rod cover, and the inner cavity of the rack wear-resistant sealing sheath is provided with a sealing end surface of the rack sheath sealed with the rack sheath sealing member, outside the rack sheath sealing member The guard ring sheath end piece is arranged between the inner sealing end surface of the rack frame and the outer end surface of the box guard rod cover, and the guard frame sheath block material piece seals the inner end surface of the rack frame and the box body. A space between the outer end faces of the guard rod cover is filled or a protective sleeve collision gap is formed between the outer end surface of the guard frame sheath block and the inner end surface of the rack cover, and the guard sleeve collision gap is less than or equal to the rack The maximum compressive deformation of the sheath seal prevents the bulk material from entering the seal end face of the inner frame of the rack and the outer end surface of the case guard cover to damage the rack seal.
The wearer rack wear-resistant sealing sheath impact device according to claim 8, wherein the guard frame sheath block material comprises a hard sheath block material or an elastomer sheath block member. .
The wear-resistant sealing sheath impact device of the mining machine rack according to claim 1 is characterized in that: the wear-resistant sealing sheath of the rack is provided with a guide surface of the outer sheath of the rack, and the outer guide of the rack sheath The material is discharged from the outer mouth of the rack wear-resistant sealing sheath to prevent the material from being squeezed into the gap between the rack wear-resistant sealing sheath and the box guard rod cover.
The wear-resistant sealing sheath impact device of the mining machine rack according to claim 1, wherein the punching frame comprises a fixed wear-resistant sealing sheath structure, and the fixed wear-resistant sealing sheath structure comprises a bracket fixing sheath boss. Or include a bracket fixing sleeve groove or a bracket fixing sleeve end surface, the rack wear sealing jacket further includes an outer wear-resistant sealing sheath, and the outer wear-resistant sealing sheath is disposed outside the box guard rod cover, The outer wear-resistant sealing sheath includes an integral outer wear-resistant sealing sheath or a split outer-wearing wear-resistant sealing sheath, and the outer-wearing wear-resistant sealing sheath and the bracket fixing sheath boss fast-fixing or outer-wearing wear-resistant sealing sheath and teeth The fixed sheath sleeve is fastened or fixed, and the outer sheathing member is fixed to make the outer wear-resistant sealing sheath and the end surface of the rack fixed sheath fixed, and the outer wear-resistant sealing sheath is provided with the outer sleeve sealing surface or outsourcing. The wear-resistant sealing sheath is provided with an outer sleeve inner cylinder seal groove, and the outer wear-resistant sealing sheath and the bracket fixed jacket groove fastening end surface are provided with a sealed outer sheath and a bracket member or an outer wear-resistant sealing sheath and Rack fixing sheath groove end buckle Closely sealed, the outer end of the split outer wear-resistant sealing sheath is provided with a sheath-fastening groove anti-swaying platform that is fastened to the groove of the rack fixing sheath, and the sheath-fastening groove anti-swaying platform is fastened In the groove of the rack fixed jacket, the bracket fixed sleeve groove holds the jacket buckle groove anti-sway table to prevent the rack wear-resistant sealing sheath from shaking, and the split outer wear-resistant seal sheath includes left split outsourcing The sealing sheath and the right split outer sheath sealing sheath, the split outer sheath wear-resistant sealing sheath comprises a left split sheath side fastening end face and a right split sheath side fastening end face, and a left split sheath side fastening end face The right side of the right side of the sheath is fastened to the side by the two fastening surfaces or the left side of the left side of the sheath and the right side of the right side of the sheath are sealed. The split outer sealing seal includes a right split sheath side groove or includes a right split sheath plane or includes a locking left and right split sheath hoop, and when the right split sheath side groove is used, the left split outer seal is sealed The sheath is provided with a left split sheath side boss and a right split sheath side The slot and the left split sheath side boss are fastened to prevent the left split outer sheath sealing sheath and the right split outer sheath sealing sheath from being buckled by the reciprocating impact reaction force and the lateral force splitting, or when the locking is used When the body sheathing hoop is used, the locking left and right split sheathing hoops are arranged on the left outer body outer sealing sealing sheath and the right outer body outer sealing sealing sheath front outer end surface locking, preventing the left outer body outer sealing sealing sheath and the right side The outer envelope sealing sheath is cracked.
The wear-resistant sealing sheath impact device of the mining machine rack according to claim 11, wherein the outer wear-resistant sealing sheath comprises a fixed outer sheathing member, and the fixed outer sheathing member comprises a nut fixing member, a screw fixing member, Pin fixing member, bonding fixing member, rising pin fixing member, cylindrical pin fixing member, tapered pin fixing member, circlip fixing member, card slot fixing member, retaining ring fixing member or top wire hole pin fixing member, when fixing with screws In the case of the workpiece, a rack fixing jacket groove is arranged at the rear of the tooth frame, or a rack fixing sheath boss is arranged at the rear of the tooth frame, and the rack fixing jacket groove comprises a polygonal fixed sheath groove or a circle. Fixing the sheath groove, when using the circular fixed sheath groove, at the end of the punch frame toward the box body, a circular fixed sheath groove is set at the center of the impact guide rod axis, and the left split body is sealed and sealed. The rear end of the sheath and the right split outer sheath sealing sheath are fastened and fastened in the circular fixing sheath groove, and the screw fixing table hole is arranged on the other side of the punching frame opposite to the circular fixing sheath groove , in the left split outer sealing seal and right split outer seal a sleeve threaded hole corresponding to the screw fixing piece hole is arranged on the end surface of the circular fixing sheath groove, and the screw fixing member is screwed through the screw fixing piece hole into the sheath thread hole to tighten the left side body The outer sealing sealing sheath and the right split outer sealing sealing sheath, and the screw locking member on the screw fixing member prevents the screw fixing member from loosening or tightening the screw fixing member to prevent the screw fixing member from loosening.