CN211874488U - Guide shoe and guide shoe assembly - Google Patents
Guide shoe and guide shoe assembly Download PDFInfo
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- CN211874488U CN211874488U CN201921736550.4U CN201921736550U CN211874488U CN 211874488 U CN211874488 U CN 211874488U CN 201921736550 U CN201921736550 U CN 201921736550U CN 211874488 U CN211874488 U CN 211874488U
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Abstract
The utility model relates to a guide slipper and a guide slipper assembly, wherein the guide slipper comprises a guide slipper body and a gland, the through holes on one side or two sides of the front ear and the back ear of the guide slipper body are gland mounting holes, the gland is mounted on the guide slipper body from the outside and is detachably and fixedly connected with the guide slipper body, and the middle part of the gland is provided with the through hole; the guide sliding shoe assembly comprises a connecting shaft and the guide sliding shoe, the cross section of a shaft section, matched with the through hole in the gland, on the connecting shaft is in an oblate shape, in an initial installation state, the upper parallel plane and the lower parallel plane of the oblate shaft section of the connecting shaft are respectively in direct contact with the hole walls of the upper parallel plane and the lower parallel plane of the kidney-shaped hole of the gland, and the left and right maximum linear sizes of the kidney-shaped hole of the gland are larger than the diameter of the cylindrical surface of the oblate shaft section of the connecting shaft. Adopt the utility model discloses, wearing parts such as direction piston shoes and walking wheel are dismantled conveniently, and maintenance efficiency is high, overhauls intensity of labour and reduces by a wide margin, and the walking adaptability is good.
Description
Technical Field
The utility model relates to a direction piston shoes that uses on coal-winning machine and direction piston shoes subassembly that contains this direction piston shoes belongs to coal mining equipment technical field.
Background
With the increasing degree of mechanization and intelligence of the coal face and the deepening of the people-oriented idea, the labor force for safely and efficiently producing and releasing underground workers is more and more emphasized by various coal mine enterprises.
The coal mining machine is used as working face coal mining equipment, and the reliable and safe operation of the coal mining machine is guaranteed, so that the coal mining machine is of great importance to the production of an ore side. The coal cutting machine has two states of straight-line coal cutting and inclined cutting feed coal cutting, particularly in the inclined cutting feed state, if the guide sliding shoes are not designed in place, the blocking phenomenon can often occur, and in severe cases, the guide sliding shoes can be broken, so that the production of a mine is influenced.
The guide sliding shoes and the travelling wheels are used as wearing parts of the whole coal mining machine and need to be replaced frequently. The underground wet and large dust easily enters a gap between the walking box and the connecting shaft, the joint of the walking box shell and the connecting shaft is also easily rusted, and in addition, the underground disassembling operation space is limited, so that the walking part guide sliding shoes and the walking wheels are difficult to disassemble due to a series of factors, and can be replaced by one to two shifts often, the labor intensity of workers is increased, and the production of a coal mine is delayed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a direction piston shoes and direction piston shoes subassembly, the installation of its relative walking case is dismantled and is all made things convenient for high-efficient, can effectively alleviate workman intensity of labour, improves and maintains work efficiency, satisfies the high yield efficient needs in colliery.
The utility model discloses a main technical scheme has:
the utility model provides a direction piston shoe, includes direction piston shoe body and gland, the through-hole in one side or two side ears in the front and back ear of direction piston shoe body is the gland mounting hole, the gland can dismantle fixed connection from the outside on installing the direction piston shoe body and with the direction piston shoe body, the middle part of gland is equipped with the through-hole, and this through-hole is the non-round hole, and when the through-hole in only one side ears was the gland mounting hole, this side ears was nearly pool side ear, the surface of lateral surface around the inside surface of ear was the direct contact walking case casing.
The through hole on the gland is preferably a waist-shaped hole, and the hole walls of the upper and lower parallel planes of the waist-shaped hole are in horizontal positions in an initial installation state.
The external diameter of gland can be for the big-outside stepped shaft structure of little-inside, the gland mounting hole of the corresponding ear of direction piston shoes body can be for the big-outside and little-inside ladder hole structure that link up, the external diameter of gland with the stepped hole cooperation of the corresponding ear of direction piston shoes body, the gland is fixed through arranging a plurality of screws of circumferencial direction equipartition on its outside terminal surface on the direction piston shoes body.
The direction boots body can be for whole casting structure or forge welding structure, and when for the forge welding structure, it includes front bezel, back plate and coupling shaft three, and front bezel and back plate are through running through coupling shaft fixed connection, the ear is located the upper portion of front bezel and back plate respectively around the direction boots.
The inside surface of the front ear and the back ear of the guide slipper body is preferably set into two bilaterally symmetrical inclined plane structures with the middle part protruding out of the body, and the inclined planes and the vertical plane extending leftwards and rightwards form an included angle beta.
The left end and the right end of the lower part of the outer side surface of the guide sliding shoe body close to the coal wall are preferably set to be inclined planes, the end parts of the inclined planes are close to the old pond side, and the middle parts of the inclined planes are close to the coal wall side.
Or the inner side surfaces of the front and rear ear parts of the guide slipper body are arranged into two bilaterally symmetrical inclined plane structures with the middle parts protruding out of the body, the inclined planes and a vertical plane extending leftwards and rightwards form an included angle beta, and the left and right ends of the lower part of the outer side surface of the guide slipper body close to the coal wall are arranged into inclined planes with the end parts close to the old pond side and the middle parts close to the coal wall side.
The utility model provides a direction slipper subassembly, includes connecting axle and aforementioned direction slipper, on the connecting axle with on the gland the cross section of through-hole matched with shaft section personally submits the oblate, under the initial installation state, the upper and lower two parallel planes of the oblate shaft section of connecting axle respectively with the upper and lower two parallel plane pore wall direct contact in the waist shape hole of gland, just the biggest linear dimension is greater than about the waist shape hole of gland the face of cylinder diameter of the oblate shaft section of connecting axle, works as only one side ear is installed in the ear around the direction slipper body during the gland, the through-hole direct contact on one end of connecting axle and the gland, the through-hole direct contact on the other end and the ear of no gland one side.
And at least one end of the connecting shaft, which is close to the old pond side, is provided with a threaded hole.
The guide sliding shoe assembly can further comprise a traveling wheel assembly, a wheel shaft hole of the traveling wheel assembly is matched with a shaft hole in the middle of the connecting shaft, and the diameter of the shaft section of the gland in sleeved connection with the connecting shaft is smaller than that of the shaft section of the guide sliding shoe in sleeved connection with the gland.
The utility model has the advantages that:
through setting up the detachable gland, make the direction piston shoes realize that the outsourcing becomes possible in the mounting means of walking case casing, and realize that connecting axle and direction piston shoes body rotate in step through this intermediate medium of gland, the implementation can be more nimble various, and in case demolish the gland, can conveniently remove the relation of being connected between direction piston shoes body and the connecting axle again, in addition, because the gland mounting hole on the direction piston shoes body is far greater than the biggest axle footpath of the axle footpath of connecting axle, when the gland is not installed on the direction piston shoes body, the access way of connecting axle can provide convenience on bigger radial space when the gland mounting hole is as the installation and dismantles the connecting axle. It is visible to adopt the utility model discloses an installation of its relative walking case casing of direction piston shoes is dismantled all convenient and fast more, can obviously alleviate operating personnel's the working strength who installs and removes direction piston shoes, improves work efficiency, improves the rate of opening of coal-winning machine.
Adopt the utility model discloses can change the fixed connection relation between connecting axle and walking case casing into relative rotation connection relation among traditional direction piston shoes and walking case casing mounting structure for when dismantling vulnerable parts such as direction piston shoes and connecting axle from the walking case casing, dismantle the degree of difficulty and reduce by a wide margin, embody in time, dismantle one set of direction piston shoes and connecting axle more than 8 hours consuming time on average under the traditional structure, and adopt the utility model discloses a after the structure, dismantle one set of direction piston shoes and connecting axle and can shorten to about 4 hours consuming time on average, the on-the-spot change maintenance work efficiency is than improving one time toward the structure.
Because supply on the gland the hole that the connecting axle passed from adopts waist shape hole, the connecting axle passes the transversal oblate of personally submitting of shaft section of gland utilizes two parallel planes of oblate shaft section and the direct contact transmission direction piston shoes holding power in two corresponding planes in waist shape hole and drives the connecting axle and rotate, utilizes the unilateral biggest space distance L3 of waist shape hole and oblate shaft section, keeps the unilateral small-size swing space of connecting axle on the horizontal plane. And by combining L3, the horizontal angle beta of the binding surface of the guide sliding shoe and the walking box and the sizes L1 and L2 of the guide opening of the guide sliding shoe, the advancing resistance of the coal mining machine is effectively reduced, the coal mining machine is ensured to smoothly pass through a scraper conveyor without blockage in the straight-line coal cutting and beveling feed states, and the adaptability of the guide sliding shoe and the walking part is improved.
The utility model discloses a set the tip to be close to old pond side, the slope plane S that the middle part is close to the coal wall side to both ends about the nearly coal wall side lateral surface of direction slipper shoe, reduce the area of contact of direction slipper shoe and float coal, further reduce the coal-winning machine resistance of marcing, improve the adaptability of walking portion.
Drawings
Fig. 1 is a schematic structural view of an embodiment of an assembly structure formed by a guide shoe assembly and a walking box according to the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a top view of one embodiment of the guide shoe of the present invention;
fig. 4 is a coal wall side elevation view of another embodiment of the guide shoe of the present invention.
Description of reference numerals:
1. a walking box housing; 2. a connecting shaft; 3. a gland; 4. a guide shoe body; 5. a traveling wheel assembly; 6. a screw; a. a back plate; b. a coupling shaft; c. a front plate.
Detailed Description
The utility model discloses a direction piston shoes, as shown in fig. 1-4, it includes direction piston shoes body 4 and gland 3, the through-hole in one side or two side ears in the front and back ear of direction piston shoes body is the gland mounting hole, the gland is installed on the direction piston shoes body from the outside of direction piston shoes body, imbeds corresponding ear promptly to can dismantle fixed connection with the direction piston shoes body, the middle part of gland is equipped with the through-hole, and this through-hole is used for with 2 direct contact of connecting axle and cooperation. When the through hole on only one side ear is a gland mounting hole, the side ear is a side ear close to the old pond.
In the embodiment shown in the drawing, the front ear part and the rear ear part of the guide slipper body are respectively provided with a gland.
When the traditional guide sliding boots are installed, the front ear parts and the rear ear parts of the guide sliding boots are respectively attached to the inner sides of the front side wall and the rear side wall of the walking box shell, two ends of the connecting shaft 2 are fixed on the walking box shell, and through holes in the front ear parts and the rear ear parts of the guide sliding boots are directly contacted with the connecting shaft and can rotate relative to the connecting shaft.
And when the guide sliding shoes are installed on the walking box shell, as shown in fig. 1, the front and rear ears are sleeved on the front and rear outer side surfaces of the walking box shell 1 from bottom to top, namely the guide sliding shoes are wrapped on the walking box shell. The two ends of the connecting shaft 2 and the guide sliding shoes do not rotate relatively, and the connecting shaft 2 can rotate relative to the walking box shell under the drive of the guide sliding shoes. Not only will hold walking wheel subassembly 5 between the ear around the direction boots, still hold the direction boots installation department of walking case casing lower part, therefore the span is great around. The connecting shaft horizontally penetrates through the walking box shell and the guide sliding shoes, and the walking wheel assemblies are coaxially mounted on the connecting shaft and located in the cavities of the walking box shell. The guide sliding shoe is contacted with the pin row of the scraper conveyor to play a role in supporting and guiding. The traveling wheel assembly is directly meshed with the pin row to drive the coal mining machine to move along the direction of the working surface.
The detachable gland is arranged, so that the installation mode of the guide slipper to wrap the traveling box shell is possible, the synchronous rotation of the connecting shaft 2 and the guide slipper body 4 is realized through the intermediary of the gland, the implementation mode can be more flexible and diversified, once the gland is detached, the connection relation between the guide slipper body and the connecting shaft can be conveniently released, in addition, as the gland installation hole on the guide slipper body is far larger than the shaft diameter (usually in the middle part) of the maximum shaft diameter of the connecting shaft, when the gland is not installed on the guide slipper body, the gland installation hole is used as an inlet and outlet channel of the connecting shaft when the connecting shaft is installed and detached, not only can no obstacle be formed, but also convenience can be provided in a larger radial space, and even if the plastic deformation occurs at the matching part of the traveling wheel assembly and the connecting shaft due to large stress, the traveling wheel assembly and the connecting shaft can, the disassembly time is saved. It is visible to adopt the utility model discloses an installation of its relative walking case casing of direction piston shoes is dismantled all convenient and fast more, can obviously alleviate operating personnel's the working strength who installs and removes direction piston shoes, improves work efficiency, improves the rate of opening of coal-winning machine.
The through hole on the gland is preferably a non-circular hole so that the gland can drive the connecting shaft to synchronously rotate, and the through hole on the gland is preferably a waist-shaped hole in the embodiment. In the initial installation state, the hole walls of the upper and lower parallel planes of the waist-shaped hole are in horizontal positions.
The external diameter of gland can set to the big-outside little stepped shaft structure in, the gland mounting hole of the corresponding ear of direction boots body then sets to the big-outside little-inside through stepped hole structure, the external diameter of gland with the gland mounting hole cooperation of the corresponding ear of direction boots body. During installation, the guide sliding shoes, the walking box shell and the walking wheel assembly are assembled together through the connecting shafts, and finally the pressing covers are arranged between the connecting shafts and the lug parts of the guide sliding shoe body and fixed on the guide sliding shoe body. To realize the sleeve connection between the gland and the guide shoe body, other structural forms than the stepped shaft hole fit are not excluded, and for example, the fit of a conical surface and a cylindrical surface can also be adopted.
The gland can be fixed with the ear part on the corresponding side of the guide slipper body by adopting various existing modes. The embodiment shown in the attached drawings is fixed by uniformly distributing a plurality of screws 6 on the end surface of the outer side of the gland in the circumferential direction, and the screws 6 are used for providing enough coupling force to ensure that the gland is reliably connected with the guide slipper body. When the connecting shaft is disassembled, the gland 3 and the guide sliding shoe body 4 can be separated only by disassembling the screw 6, and the axial constraint on the connecting shaft is relieved. Because the connecting shaft and the walking box shell are always kept in a relative rotation state during normal work, namely a certain gap is reserved between the connecting shaft and the walking box shell, the connecting shaft can be pulled out by applying a certain pulling force from the old pond side, so that the guide sliding shoe and the walking wheel component are separated from the connecting shaft, the guide sliding shoe and the walking wheel component are conveniently detached, and the labor intensity of underground operators is greatly saved.
The guide sliding shoe body can be an integral casting structural part or a forge welding structural part, when the guide sliding shoe body is a forge welding structural part, the guide sliding shoe body can comprise a front plate c, a rear plate a and a connecting shaft b, the front plate and the rear plate are fixedly connected through penetrating through the connecting shaft, and the front ear part and the rear ear part of the guide sliding shoe body are respectively positioned on the upper parts of the front plate and the rear plate.
The walking box shell plays a supporting role and can be made into a type with an idler wheel component or a type without the idler wheel component according to requirements.
As shown in fig. 3, the inner side surfaces of the front and rear ear portions of the guide shoe body (i.e., the two inner side surfaces facing each other and abutting the front and rear outer side surfaces of the chassis housing) are preferably arranged in a bilaterally symmetrical two inclined plane structure with the middle portion protruding outward of the body, and the inclined planes form an included angle β with a vertical plane extending in the left and right directions. By arranging the inclined plane, the guide sliding shoe and the walking part of the coal mining machine can adapt to the horizontal deflection angle of the chute of the scraper conveyor when walking on the scraper conveyor. By optimizing the parameter L3, the horizontal angle beta of the binding surface of the guide sliding shoe body and the walking box and the sizes L1 and L2 of the guide opening of the guide sliding shoe, the advancing resistance of the coal mining machine can be effectively reduced, the coal mining machine is ensured to smoothly pass through a scraper conveyor without blockage in the straight-line coal cutting and beveling feed states, and the adaptability of the guide sliding shoe and the walking part is improved.
As shown in fig. 4, the left and right ends of the lower portion of the outer side surface of the guide shoe body near the coal wall are preferably set to be inclined planes S with the end portions near the old pond side and the middle portion near the coal wall side. The plane can be in a triangular shape or other polygonal shapes, so that the contact area between the guide sliding shoe and float coal can be reduced, the advancing resistance of the coal mining machine is effectively reduced, and the adaptability of the walking part is improved.
The utility model also discloses a direction piston shoes subassembly, as shown in fig. 1, including connecting axle 2 and aforementioned direction piston shoes, on the connecting axle with on the gland the transversal oblate of personally submitting of through-hole matched with shaft part. In an initial installation state, the upper and lower parallel planes of the oblate shaft section of the connecting shaft are respectively in direct contact with the hole walls of the upper and lower parallel planes of the waist-shaped hole of the gland, and the left and right maximum linear sizes of the waist-shaped hole of the gland are larger than the diameter of the cylindrical surface of the oblate shaft section of the connecting shaft. In a centered state, the distance between the waist-shaped hole and the unilateral maximum gap in the left-right direction of the oblate shaft section is L3, so that the connecting shaft has a small swing margin on the horizontal plane, on one hand, the guide sliding shoes are ensured to drive the connecting shaft 2 to rotate synchronously with the connecting shaft, on the other hand, only the guide sliding shoes and the connecting shaft are allowed to swing slightly in the horizontal plane, and the guide sliding shoes can adapt to the horizontal deflection angle of the chute of the scraper conveyor.
When only one side ear is installed in the front and back ear of direction boots body during the gland, the through-hole direct contact on the one end of connecting axle and the gland, the other end and the through-hole direct contact on the ear of no gland one side.
At least one end of the connecting shaft close to the old pond side can be provided with a threaded hole for installing a tool for drawing the connecting shaft, so that the connecting shaft is convenient to disassemble.
The guide sliding shoe assembly can further comprise a traveling wheel assembly 5, and a shaft hole matching relation exists between a wheel shaft hole of the traveling wheel assembly and the middle of the connecting shaft. The diameter of the shaft section of the sleeve gland of the connecting shaft is usually set to be smaller than that of the shaft section of the sleeve guide slipper, and the gland can be axially positioned by utilizing a shaft shoulder between the two shaft sections.
Adopt the utility model discloses can change the fixed connection relation between connecting axle and walking case casing into relative rotation connection relation among traditional direction piston shoes and walking case casing mounting structure for when dismantling vulnerable parts such as direction piston shoes and connecting axle from the walking case casing, dismantle the degree of difficulty and reduce by a wide margin, embody in time, dismantle one set of direction piston shoes and connecting axle more than 8 hours consuming time on average under the traditional structure, and adopt the utility model discloses a after the structure, dismantle one set of direction piston shoes and connecting axle and can shorten to about 4 hours consuming time on average, the on-the-spot change maintenance work efficiency is than improving one time toward the structure.
The terms top, bottom, left, right, and left herein refer to the top, bottom, left, and right in the perspective of fig. 4.
Claims (10)
1. A guide shoe, comprising: including direction piston shoe body and gland, the through-hole in one side or two side ears in the front and back ears of direction piston shoe body is the gland mounting hole, the gland can dismantle fixed connection from the outside on installing the direction piston shoe body and with the direction piston shoe body, the middle part of gland is equipped with the through-hole, and this through-hole is the non-round hole, and when the through-hole in only one side ears was the gland mounting hole, this side ears was nearly old pool side ears, the inboard surface of front and back ears was the surface of lateral surface around the direct contact walking box casing.
2. The guide shoe of claim 1, wherein: the through hole on the gland is a waist-shaped hole, and the hole walls of the upper and lower parallel planes of the waist-shaped hole are in horizontal positions in an initial installation state.
3. The guide shoe of claim 2, wherein: the external diameter of gland is big-outside little-inside stepped shaft structure, the gland mounting hole of the corresponding ear of direction piston shoes body is big-outside little-inside's the ladder hole structure that link up, the external diameter of gland with the stepped hole cooperation of the corresponding ear of direction piston shoes body, the gland is fixed through arranging a plurality of fix with screws of circumferencial direction equipartition on its outside terminal surface on the direction piston shoes body.
4. The guide shoe of claim 1, wherein: the guide slipper body is a whole casting structural part or a forge welding structural part, and when the guide slipper body is a forge welding structural part, the guide slipper body comprises a front plate, a rear plate and a connecting shaft, wherein the front plate and the rear plate are fixedly connected through the connecting shaft, and front and rear lugs of the guide slipper body are respectively positioned on the upper parts of the front plate and the rear plate.
5. The guide shoe of claim 1, 2, 3 or 4, wherein: the inside surface of ear sets up to two inclined plane structures of middle part to the entity external convex bilateral symmetry around the direction boots body, inclined plane forms contained angle beta with the vertical plane of controlling the extension.
6. The guide shoe of claim 1, 2, 3 or 4, wherein: the left end and the right end of the lower part of the outer side surface of the guide sliding shoe body close to the coal wall are set to be inclined planes, the end parts of the inclined planes are close to the old pond side, and the middle parts of the inclined planes are close to the coal wall side.
7. The guide shoe of claim 1, 2, 3 or 4, wherein: the inner side surfaces of the front and rear ear parts of the guide slipper body are arranged into two bilaterally symmetrical inclined plane structures with the middle parts protruding out of the body, the inclined planes and a vertical plane extending leftwards and rightwards form an included angle beta, and the left and right ends of the lower part of the outer side surface of the guide slipper body close to the coal wall are arranged into inclined planes with the end parts close to the old pond side and the middle parts close to the coal wall side.
8. A guide shoe assembly, comprising: the guide slipper comprises a connecting shaft and the guide slipper as claimed in any one of claims 2 to 6, wherein the cross section of a shaft section matched with the through hole on the gland on the connecting shaft is oblate, the upper and lower parallel planes of the oblate shaft section of the connecting shaft are respectively in direct contact with the hole walls of the upper and lower parallel planes of the oval hole of the gland in an initial installation state, the left and right maximum linear sizes of the oval hole of the gland are larger than the cylindrical surface diameter of the oblate shaft section of the connecting shaft, when the gland is installed on only one side ear part in the front and rear ear parts of the guide slipper body, one end of the connecting shaft is in direct contact with the through hole on the gland, and the other end of the connecting shaft is in direct contact with the through hole on the ear part on one side without the.
9. The guide shoe assembly of claim 8, wherein: and at least one end of the connecting shaft, which is close to the old pond side, is provided with a threaded hole.
10. The guide shoe assembly of claim 9, wherein: still include the walking wheel subassembly, the axle hole of walking wheel subassembly with there is the shaft hole fit relation in the middle part of connecting axle, cup joint of connecting axle the diameter of the shaft part of gland is less than the diameter of the shaft part of cup jointing the direction piston shoes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921736550.4U CN211874488U (en) | 2019-10-16 | 2019-10-16 | Guide shoe and guide shoe assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921736550.4U CN211874488U (en) | 2019-10-16 | 2019-10-16 | Guide shoe and guide shoe assembly |
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| CN211874488U true CN211874488U (en) | 2020-11-06 |
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| CN201921736550.4U Active CN211874488U (en) | 2019-10-16 | 2019-10-16 | Guide shoe and guide shoe assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566202A (en) * | 2019-10-16 | 2019-12-13 | 天地科技股份有限公司上海分公司 | Guide shoe and guide shoe assembly |
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2019
- 2019-10-16 CN CN201921736550.4U patent/CN211874488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566202A (en) * | 2019-10-16 | 2019-12-13 | 天地科技股份有限公司上海分公司 | Guide shoe and guide shoe assembly |
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