CN218543129U

CN218543129U - Idler structure for rocker arm assembly of coal mining machine

Info

Publication number: CN218543129U
Application number: CN202221558463.6U
Authority: CN
Inventors: 苏志东
Original assignee: Tianjin Jingyang Machinery Complete Equipment Co ltd
Current assignee: Tianjin Jingyang Machinery Complete Equipment Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2023-02-28
Anticipated expiration: 2032-06-21

Abstract

The utility model relates to an idler technical field, in particular to coal-winning machine is idler structure for rocking arm subassembly, including the rocking arm casing, a plurality of constant head tank has been seted up to the inside bottom side of rocking arm casing, the inner wall joint of constant head tank has the installation axle. The utility model has the advantages that: through constant head tank, installation axle, bearing, idler, locating hole, threaded rod, movable sleeve, clamp plate and positioning sleeve's cooperation setting is convenient for with the installation axle is installed on the rocker arm casing, makes the installation and dismantlement the operation of installation axle is comparatively simple and convenient, is also convenient for pull down equally the installation axle, bearing and idler fixed mounting are epaxial at the installation, thereby make the installation the operation of bearing and idler is comparatively simple and convenient, works as be convenient for pull down and change work when bearing and idler damage, reduced the change bearing or idler required time have reached the effect that improves change efficiency, and then have guaranteed the work efficiency of coal-winning machine.

Description

Idler structure for rocker arm assembly of coal mining machine

Technical Field

The utility model relates to an idler technical field, in particular to coal-winning machine is idler structure for rocking arm subassembly.

Background

The idle gear is a gear which is used for transmitting between two transmission gears which are not contacted with each other, and is meshed with the two gears, and is used for changing the rotation direction of the driven gear to be the same as that of the driving gear, and the idle gear is only used for changing the steering direction and cannot change the transmission ratio. The idler assembly needs to have an effective transmission force during operation to reduce energy loss. The coal mining machine is one of the main equipment of the fully mechanized complete equipment, the coal mining machine develops from the coal cutter, the coal mining machine is a large-scale complex system integrating machinery, electricity and hydraulic pressure into a whole, the working environment is severe, if a fault occurs, the whole coal mining work is interrupted, huge economic loss is caused, the main parts of the coal mining machine comprise a coal mining machine rocker arm, a left walking part and a right walking part, a left walking box and a right walking box, a coal mining machine shell, a left cutting part and a right cutting part, an electric control part, a left traction part and a right traction part, a coal mining machine roller and other parts, and an idler wheel structure is required to be used in the rocker arm assembly of the coal mining machine.

Present idler is generally installed in the pivot to be connected with the rocking arm casing through the both ends of pivot and install the idler on the rocking arm casing, the pivot is generally fixed mounting's mode after installing the pivot on the rocking arm casing, the pivot of not being convenient for dismantle, thereby be not convenient for change work when the idler damages, and then make the work of going on that the rocking arm subassembly can not be normal, the work efficiency of coal-winning machine has been reduced, consequently, need a coal-winning machine for rocking arm subassembly idler structure to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The purpose of the present invention is to solve at least one of the technical drawbacks.

Therefore, an object of the present invention is to provide an idler structure for a coal mining machine rocker arm assembly, so as to solve the problems mentioned in the background art and overcome the disadvantages existing in the prior art.

In order to realize the above-mentioned purpose, the embodiment of the utility model provides a coal-winning machine is idler structure for rocking arm subassembly, including the rocking arm casing, a plurality of constant head tank has been seted up to the inside bottom side of rocking arm casing, the inner wall joint of constant head tank has the installation axle, the bearing has been cup jointed to the surface on installation axle top, the external fixed surface of bearing is connected with the idler, the locating hole has been seted up to the middle part position on idler top, the inside top side fixedly connected with threaded rod of rocking arm casing, the external surface threaded connection of threaded rod has the removal sleeve, remove telescopic bottom fixedly connected with clamp plate, the one end fixedly connected with locating sleeve that removes the sleeve is kept away from to the clamp plate.

Preferred by above-mentioned arbitrary scheme, the top fixedly connected with a plurality of inlet tube of rocking arm casing, a plurality of shunt tubes of top fixedly connected with of inlet tube, a plurality of outlet pipe of the bottom fixedly connected with of rocking arm casing, a plurality of a back flow of bottom fixedly connected with of outlet pipe, first transfer passage has been seted up to one side of threaded rod, second transfer passage has been seted up to one side of clamp plate, the cooling chamber has been seted up to the inside of installation axle, third transfer passage has been seted up to the inner wall in cooling chamber.

By any of the above-mentioned scheme preferred, the annular seal groove has been seted up on the top of installation axle, one side fixedly connected with annular seal plate of clamp plate.

Adopt above-mentioned technical scheme: through annular seal board and annular seal groove make the sealing performance between clamp plate and the installation axle comparatively good, have avoided the coolant liquid to follow the condition that the clamp plate spills over with installation axle contact position.

The preferred by any one of the above schemes is that the mounting shaft is matched with the positioning groove in size, the positioning sleeve is clamped with the positioning hole, and the outer diameter of the positioning sleeve is equal to the diameter of the positioning hole.

Adopt above-mentioned technical scheme: can make the position sleeve card advances the inside of constant head tank, and then can be quick fix a position the clamp plate, and make sealing performance between position sleeve and the constant head tank is comparatively good.

Preferably, in any one of the above schemes, the water inlet pipe is communicated with the first conveying through hole, the water outlet pipe is communicated with the third conveying through hole, the second conveying through hole is communicated with the positioning sleeve, the positioning hole is communicated with the cooling cavity, and the position of the cooling cavity corresponds to the position of the bearing.

Adopt above-mentioned technical scheme: the cooling liquid can be conveyed to the interior of the first conveying through hole through the water inlet pipe, and the cooling liquid is conveyed to the interior of the cooling cavity under the action of the movable sleeve, the second conveying through hole and the positioning sleeve, thereby cooling the bearing and the idle wheel, and conveying the cooling liquid to the inside of the return pipe under the action of the third conveying through hole and the water outlet pipe, so that the cooling liquid is circulated and cooled.

By any of the above schemes, preferably, the annular sealing plate is clamped with the annular sealing groove, and the size of the annular sealing plate is matched with that of the annular sealing groove.

Adopt above-mentioned technical scheme: the annular sealing plate can be smoothly clamped into the annular sealing groove.

Compared with the prior art, the utility model has the advantages and beneficial effects do:

1. through constant head tank, installation axle, bearing, idler, locating hole, threaded rod, movable sleeve, clamp plate and positioning sleeve's cooperation setting is convenient for with the installation axle is installed on the rocker arm casing, makes installation and dismantlement the operation of installation axle is comparatively simple and convenient, is also convenient for pull down the installation axle equally, bearing and idler fixed mounting are on the installation axle, thereby make the installation the operation of bearing and idler is comparatively simple and convenient, works as be convenient for pull down and change work when bearing and idler damage, reduced the change bearing or idler required time have reached the effect that improves change efficiency, and then have guaranteed the work efficiency of coal-winning machine.

2. Through the cooperation setting of position sleeve, inlet tube, shunt tubes, outlet pipe, back flow, first delivery hole, second delivery hole, cooling chamber and third delivery hole, through inlet tube, shunt tubes, first delivery hole, second delivery hole and position sleeve can carry the inside to the cooling chamber with the coolant liquid, the cooling chamber is corresponding with the position of bearing, thereby can be right bearing and idler cool off, and pass through third delivery hole, outlet pipe and back flow can make the coolant liquid circulation flow, thereby can reduce the temperature of bearing and idler has been avoided the condition that the high temperature appears in idler and bearing has guaranteed the life of idler, bearing and rocking arm subassembly.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view according to the present invention;

fig. 2 is a schematic sectional structure according to the present invention;

fig. 3 is a schematic structural view of a traveling sleeve and its connecting member according to the present invention;

fig. 4 is a schematic sectional view of a traveling sleeve and its connecting member according to the present invention;

fig. 5 is a schematic view of the structure of the installation shaft according to the present invention;

fig. 6 is a schematic view of a sectional structure of the mounting shaft according to the present invention;

fig. 7 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

Wherein: 1-rocker arm shell, 2-positioning groove, 3-mounting shaft, 4-bearing, 5-idler wheel, 6-positioning hole, 7-threaded rod, 8-moving sleeve, 9-pressing plate, 10-positioning sleeve, 11-water inlet pipe, 12-shunt pipe, 13-water outlet pipe, 14-backflow pipe, 15-first conveying through hole, 16-second conveying through hole, 17-cooling cavity, 18-third conveying through hole, 19-annular sealing groove and 20-annular sealing plate.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-7, the utility model discloses an idler structure for coal-winning machine rocking arm subassembly of embodiment, including rocking arm casing 1, a plurality of constant head tank 2 has been seted up to the inside bottom side of rocking arm casing 1, the inner wall joint of constant head tank 2 has installation axle 3, the surface on installation axle 3 top has cup jointed bearing 4, bearing 4's external surface fixedly connected with idler 5, locating hole 6 has been seted up to the middle part position on idler 5 top, the inside top side fixedly connected with threaded rod 7 of rocking arm casing 1, the external surface threaded connection of threaded rod 7 has removal sleeve 8, the bottom fixedly connected with clamp plate 9 of removal sleeve 8, clamp plate 9 keeps away from the one end fixedly connected with locating sleeve 10 of removal sleeve 8, when installing installation axle 3 in the inside of rocking arm casing 1, at first with the bottom card of installation axle 3 enter the inside of constant head tank 2, then rotatory removal sleeve 8 makes and drive clamp plate 9 its downstream, locating sleeve 10 will also will move thereupon at this moment, make locating sleeve 10 block into the inside of locating hole 6, make annular seal plate 20 block into the inside of annular seal board 19, and make installation axle 9 closely laminate with installation axle 3, fix axle 3, thereby the installation axle 4 is fixed, thereby the operation of completion installation axle 5 and the bearing needs the idler 5 to move out as the operation of bearing, it to make installation axle 3 move out from the inside of annular seal groove when the removal sleeve 6, then make installation axle 2.

As an optional technical solution of the utility model: rocking arm casing 1's top fixedly connected with a plurality of inlet tube 11, shunt tubes 12 of the top fixedly connected with of a plurality of inlet tube 11, rocking arm casing 1's a plurality of outlet pipe 13 of bottom fixedly connected with, a back flow 14 of the bottom fixedly connected with of a plurality of outlet pipe 13, first transfer passage 15 has been seted up to one side of threaded rod 7, second transfer passage 16 has been seted up to one side of clamp plate 9, cooling chamber 17 has been seted up to installation axle 3's inside, third transfer passage 18 has been seted up to the inner wall in cooling chamber 17, shunt tubes 12 and outlet pipe 13 all are connected with the component that can let coolant liquid circulation circulate like the circulating pump etc..

As an optional technical solution of the utility model: annular seal groove 19 has been seted up on the top of installation axle 3, and one side fixedly connected with annular seal plate 20 of clamp plate 9 makes the sealing performance between clamp plate 9 and the installation axle 3 comparatively good through annular seal plate 20 and annular seal groove 19, has avoided the coolant liquid to spill over from clamp plate 9 and the condition of installing axle 3 contact position.

As an optional technical solution of the utility model: installation axle 3 and constant head tank 2's big or small looks adaptation, locating

sleeve

10 and 6 looks joints of locating hole, and the external diameter of locating sleeve 10 equals the diameter of locating hole 6, can make the inside that locating sleeve 10 blocks into constant head tank 2, and then can be quick fix a position clamp plate 9 to make the sealing performance between locating sleeve 10 and the constant head tank 2 comparatively good.

As an optional technical solution of the utility model: the water inlet pipe 11 is communicated with the first conveying through hole 15, the water outlet pipe 13 is communicated with the third conveying through hole 18, the second conveying through hole 16 is communicated with the positioning sleeve 10, the positioning hole 6 is communicated with the cooling cavity 17, the position of the cooling cavity 17 corresponds to the position of the bearing 4, cooling liquid can be conveyed to the inside of the first conveying through hole 15 through the water inlet pipe 11 and conveyed to the inside of the cooling cavity 17 under the action of the movable sleeve 8, the second conveying through hole 16 and the positioning sleeve 10, so that the bearing 4 and the idle wheel 5 can be cooled, and the cooling liquid can be conveyed to the inside of the return pipe 14 under the action of the third conveying through hole 18 and the water outlet pipe 13, so that the cooling liquid can be circularly cooled.

As an optional technical solution of the utility model: the annular sealing plate 20 is clamped with the annular sealing groove 19, and the annular sealing plate 20 is matched with the annular sealing groove 19 in size, so that the annular sealing plate 20 can be smoothly clamped into the annular sealing groove 19.

The utility model discloses an idler structure for coal-winning machine rocking arm subassembly, the theory of operation as follows:

when connecting installation axle 3 and rocker arm casing 1, at first with the bottom card of installation axle 3 entering the inside of constant head tank 2, then rotatory traveling sleeve 8 makes and drives clamp plate 9 its downstream, and positioning sleeve 10 will also remove thereupon this moment, makes positioning sleeve 10 card enter the inside of locating hole 6, makes annular seal plate 20 card enter the inside of annular seal groove 19, and makes clamp plate 9 and installation axle 3 laminate closely, fixed installation axle 3, thereby the operation of completion installation bearing 4 and idler 5.

Compared with the prior art, the utility model discloses for prior art have following beneficial effect:

1. through constant head tank 2, installation axle 3, bearing 4, idler 5, locating hole 6, threaded rod 7, movable sleeve 8, the cooperation setting of clamp plate 9 and locating sleeve 10, be convenient for install installation axle 3 on rocker arm housing 1, make the installation and dismantle the operation of installation axle 3 comparatively simple and convenient, install axle 3 of also being convenient for to pull down equally, bearing 4 and idler 5 fixed mounting are on installation axle 3, thereby make the operation of installation bearing 4 and idler 5 comparatively simple and convenient, be convenient for pull down and change work when bearing 4 and idler 5 damage, the time that change bearing 4 or idler 5 required has been reduced, the effect of changing efficiency has been reached and has been improved, and then the work efficiency of coal-winning machine has been guaranteed.

2. Through the cooperation setting of position sleeve 10, inlet tube 11, the shunt tubes 12, outlet pipe 13, the back flow pipe 14, first delivery hole 15, second delivery hole 16, cooling chamber 17 and third delivery hole 18, through inlet tube 11, shunt tubes 12, first delivery hole 15, second delivery hole 16 and position sleeve 10 can carry the inside to cooling chamber 17 with the coolant liquid, cooling chamber 17 is corresponding with the position of bearing 4, thereby can cool off bearing 4 and idler 5, and through third delivery hole 18, outlet pipe 13 and back flow pipe 14 can make the coolant liquid circulation flow, thereby can reduce the temperature of bearing 4 and idler 5, the condition that the temperature is too high has been avoided idler 5 and bearing 4, the life of idler 5, bearing 4 and rocking arm subassembly has been guaranteed.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be appreciated by persons skilled in the art that any combination of the elements of the invention, including the description and specific embodiments set forth in the foregoing description and illustrated in the accompanying drawings, is not to be construed as limiting the scope of the invention and that no single element or combination of elements or components is shown in the detail or detail order to avoid obscuring the description. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a coal-winning machine is idler structure for rocking arm subassembly which characterized in that: including rocker arm casing (1), a plurality of constant head tank (2) have been seted up to the inside bottom side of rocker arm casing (1), the inner wall joint of constant head tank (2) has installation axle (3), bearing (4) have been cup jointed to the surface on installation axle (3) top, the external fixed surface of bearing (4) is connected with idler (5), locating hole (6) have been seted up to the middle part position on idler (5) top, the inside top side fixedly connected with threaded rod (7) of rocker arm casing (1), the external surface threaded connection of threaded rod (7) has moving sleeve (8), the bottom fixedly connected with clamp plate (9) of moving sleeve (8), the one end fixedly connected with positioning sleeve (10) of moving sleeve (8) are kept away from in clamp plate (9).

2. The idler structure for the shearer loader arm assembly as set forth in claim 1, wherein: the utility model discloses a rocking arm casing (1) is including rocking arm casing (1) top fixedly connected with a plurality of inlet tube (11), a plurality of shunt tubes (12) of top fixedly connected with of inlet tube (11), a plurality of outlet pipe (13) of the bottom fixedly connected with of rocking arm casing (1), a plurality of reflux pipe (14) of the bottom fixedly connected with of outlet pipe (13), first transfer port (15) have been seted up to one side of threaded rod (7), second transfer port (16) have been seted up to one side of clamp plate (9), cooling chamber (17) have been seted up to the inside of installation axle (3), third transfer port (18) have been seted up to the inner wall of cooling chamber (17).

3. The idler structure for the shearer loader arm assembly as set forth in claim 2, wherein: an annular sealing groove (19) is formed in the top end of the mounting shaft (3), and an annular sealing plate (20) is fixedly connected to one side of the pressing plate (9).

4. The idler structure for the shearer loader arm assembly as set forth in claim 3, wherein: the size looks adaptation of installation axle (3) and constant head tank (2), location sleeve (10) and locating hole (6) looks joint, the external diameter of location sleeve (10) equals the diameter of locating hole (6).

5. The idler wheel structure for the shearer rocker arm assembly as set forth in claim 4, wherein: the water inlet pipe (11) is communicated with the first conveying through hole (15), the water outlet pipe (13) is communicated with the third conveying through hole (18), the second conveying through hole (16) is communicated with the positioning sleeve (10), the positioning hole (6) is communicated with the cooling cavity (17), and the position of the cooling cavity (17) corresponds to the position of the bearing (4).

6. The idler wheel structure for the shearer rocker arm assembly as set forth in claim 5, wherein: the annular sealing plate (20) is clamped with the annular sealing groove (19), and the annular sealing plate (20) is matched with the annular sealing groove (19) in size.