CN217897929U - Three soft coal seam tunnel end support - Google Patents
Three soft coal seam tunnel end support Download PDFInfo
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- CN217897929U CN217897929U CN202222308046.2U CN202222308046U CN217897929U CN 217897929 U CN217897929 U CN 217897929U CN 202222308046 U CN202222308046 U CN 202222308046U CN 217897929 U CN217897929 U CN 217897929U
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- end support
- coal seam
- soft coal
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Abstract
The utility model discloses a three-soft coal seam roadway end support, which comprises an offset traction frame, an offset end support and a pushing jack, wherein the offset traction frame and the offset end support both comprise a main frame and an auxiliary frame, a machine passing channel is arranged between the main frame and the auxiliary frame, and a pedestrian channel is arranged in the main frame; the offset end bracket comprises a front bracket, a middle bracket and a rear bracket, wherein the front bracket is connected with the offset traction bracket through a pushing jack; the offset traction frame, the front frame and the rear frame are respectively provided with an anti-skid device; the offset type traction frame, the front frame, the middle frame and the rear frame are respectively provided with an anti-falling device, one end of the anti-falling device is connected with the top beam of the main frame, and the other end of the anti-falling device is connected with the top beam of the auxiliary frame; the offset traction frame, the front frame, the middle frame and/or the rear frame are/is provided with a protection component respectively. It is visible, the utility model discloses an end support can adapt to three soft coal seam tunnels, has guaranteed the normal operating of working face.
Description
Technical Field
The utility model relates to an ore deposit machine equipment technical field especially relates to a three soft coal seam tunnel end support.
Background
The three-soft coal seam refers to a soft bottom coal seam, a soft coal seam and a soft top coal seam, and is generally mined in a top coal caving mode. Therefore, the requirement on the roadway support is higher, and the higher requirement on the stability of the roadway end support is provided. The existing end bracket is difficult to meet the requirements of three soft coal beds, and the problems of side slipping, frame falling, roadway rib caving and the like are easy to occur.
In view of the above technical problems, there is a need for an end bracket designed to meet the requirements of three-soft coal seams.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough, the utility model discloses the technical problem that will solve is: the three-soft coal seam roadway end support is provided, and the normal operation of a working face is guaranteed.
In order to solve the technical problem, the technical scheme of the utility model is that:
a three-soft coal seam roadway end support comprises an offset type traction frame, an offset type end support and a pushing jack, wherein the offset type traction frame and the offset type end support respectively comprise a main frame and an auxiliary frame, a machine passing channel is arranged between the main frame and the auxiliary frame, and a pedestrian channel is arranged in the main frame; the offset end support comprises a front frame, a middle frame and a rear frame, and the front frame is connected with the offset traction frame through the pushing jack; the offset traction frame, the front frame, the middle frame and the rear frame respectively comprise top beams, upright columns and bases; anti-skid devices are respectively arranged on the offset traction frame, the front frame and the rear frame and are arranged between the corresponding main frame and the base of the auxiliary frame; the offset type traction frame, the front frame, the middle frame and the rear frame are respectively provided with an anti-falling device, and the anti-falling devices are arranged between the corresponding top beams of the main frame and the auxiliary frame; and the offset traction frame, the front frame, the middle frame and/or the rear frame are/is provided with a protection component respectively.
Preferably, the antiskid device comprises an antiskid jack, two ends of the antiskid jack are respectively hinged with a connecting plate, one connecting plate is fixed on the corresponding main frame base, and the other connecting plate is fixed on the corresponding auxiliary frame base.
Preferably, the tilting prevention device comprises a tilting prevention jack, two ends of the tilting prevention jack are respectively hinged with a connecting assembly, and the connecting assembly comprises a tilting prevention connector, a tilting prevention rotating shaft and a tilting prevention barrel; prevent down connector one end with prevent that the one end of falling the jack is articulated to be connected, prevent down the connector still the cover establish prevent down the outside of rotation axis, prevent down the rotation axis and deviate from prevent down one side of connector with prevent down a section of thick bamboo and connect, prevent down the vertical setting of a section of thick bamboo, just prevent down the top of a section of thick bamboo and fix corresponding on the back timber.
Preferably, the protection assembly comprises a top beam side guard plate and a base side guard plate; the top beam side guard plates are arranged on all the top beams of the offset type end bracket; and all the bases of the offset type end head support are provided with the base side guard plates.
Preferably, the protection assembly further comprises a short top protection plate, and the short top protection plate is arranged on the inner sides of the top beams of the main frame and the auxiliary frame.
Preferably, the protection assembly further comprises a long side protection plate, and the long side protection plates are arranged on the outer sides of all the main frames of the offset end supports.
Preferably, the front frame further comprises an upper connecting rod and a lower connecting rod, one end of the upper connecting rod is hinged to the top beam of the front frame, the other end of the upper connecting rod is hinged to one end of the lower connecting rod, and the other end of the lower connecting rod is hinged to the base of the front frame.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because the three-soft coal seam roadway end support comprises the offset type traction frame, the offset type end support and the pushing jack, the offset type traction frame and the offset type end support both comprise the main frame and the auxiliary frame, the machine passing channel is arranged between the main frame and the auxiliary frame, and the pedestrian channel is arranged in the main frame; the offset end bracket comprises a front bracket, a middle bracket and a rear bracket, wherein the front bracket is connected with the offset traction bracket through a pushing jack; the offset traction frame, the front frame, the middle frame and the rear frame respectively comprise top beams, upright posts and a base; anti-skid devices are respectively arranged on the offset traction frame, the front frame and the rear frame and are arranged between the corresponding main frame and the base of the auxiliary frame; the offset traction frame, the front frame, the middle frame and the rear frame are respectively provided with an anti-falling device, and the anti-falling devices are arranged between the top beams of the corresponding main frame and the auxiliary frame and connected with the top beams; the offset traction frame, the front frame, the middle frame and/or the rear frame are/is provided with a protection component. It is visible, the utility model discloses can adapt to three soft coal seam tunnels, guarantee the normal operating of working face.
Because antiskid includes anti-skidding jack, and anti-skidding jack's both ends articulate respectively has the connecting plate, and one of them connecting plate is fixed on corresponding body frame base, and another connecting plate is fixed on corresponding subframe base, and anti-skidding jack connects body frame and subframe reliably, prevents that offset type traction frame and offset type end support from taking place to sideslip.
The anti-falling device comprises an anti-falling jack, two ends of the anti-falling jack are respectively hinged with a connecting assembly, and the connecting assembly comprises an anti-falling connector, an anti-falling rotating shaft and an anti-falling cylinder; prevent down connector one end and prevent down the one end of jack and articulate and be connected, prevent down the connector and still overlap and establish in the outside of preventing down the pivot, prevent down the pivot and deviate from one side of preventing down the connector and be connected with preventing down a section of thick bamboo, prevent down a vertical setting of section of thick bamboo, and prevent down the top of a section of thick bamboo and fix on the back timber that corresponds, reliably connect body frame and subframe, prevent down the frame.
The protective assembly comprises a top beam side protective plate and a base side protective plate; a top beam side guard plate is arranged on all top beams of the offset type end bracket; all bases of the offset end supports are provided with base side guard plates, so that the area of a hollow top is reduced, and roof coal gangue is prevented from falling into the inner space of the supports.
Because the protection assembly further comprises short protection top plates, the short protection top plates are arranged on the inner sides of the top beams of all the main frames and the top beams of the auxiliary frames, the top protection area is increased, and the tunnel top plates are prevented from caving.
Because the protection assembly also comprises a long side protection plate, the outer sides of all the main frames of the offset type end supports are provided with the long side protection plates, and the roadway is prevented from being inclined to the side.
Because the front frame also comprises an upper connecting rod and a lower connecting rod, one end of the upper connecting rod is hinged with the top beam of the front frame, the other end of the upper connecting rod is hinged with one end of the lower connecting rod, and the other end of the lower connecting rod is hinged with the base of the front frame, the front frame is prevented from deviating.
Drawings
Fig. 1 is a schematic structural view of a medium-three soft coal seam roadway end support of the utility model;
FIG. 2 is a schematic structural diagram of an end support of a roadway of a three-soft coal seam in the embodiment;
fig. 3 is a top view of the medium-three soft coal seam roadway end support of the present invention;
fig. 4 is a top view of the end support of the three-soft coal seam roadway with 4.2 m roadway of the utility model;
FIG. 5 is a schematic structural diagram of a front frame in a 3.6 m roadway three-soft coal seam roadway end support;
FIG. 6 is a schematic structural view of a middle frame in a 3.6 m roadway three-soft coal seam roadway end support;
FIG. 7 is a schematic structural view of a rear frame in a 3.6 m roadway three-soft coal seam roadway end support;
FIG. 8 is a schematic structural view of an offset type traction frame in a 3.6 m roadway three-soft coal seam roadway end support;
FIG. 9 is an enlarged partial schematic view of FIG. 3 at A;
FIG. 10 is an enlarged partial schematic view of FIG. 5 at B;
in the figure: 1-offset traction frame, 2-offset end bracket, 20-front frame, 21-middle frame, 22-rear frame, 3-antiskid device, 30-antiskid jack, 31-connecting plate, 4-falling prevention device, 40-falling prevention jack, 41-falling prevention cylinder, 42-falling prevention rotating shaft, 43-falling prevention connecting head, 5-pedestrian passage, 6-aircraft passage, 70-main frame, 71-auxiliary frame, 9-top beam, 10-base, 11-upright column, 120-top beam side protection plate, 121-base side protection plate, 122-short top protection plate, 130-upper connecting rod and 131-lower connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 10, the triple-soft coal seam roadway end support comprises an offset type traction frame 1, an offset type end support 2 and a pushing jack, wherein the offset type traction frame 1 and the offset type end support 2 both comprise a main frame 70 and an auxiliary frame 71, a machine passing channel 6 is arranged between the main frame 70 and the auxiliary frame 71, and a pedestrian passageway 5 is arranged in the main frame 70.
The offset end bracket 2 comprises a front bracket 20, an intermediate bracket 21 and a rear bracket 22, wherein the front bracket 20 adopts an offset structure, the front bracket 20 is connected with the offset traction bracket 1 through a pushing jack, the front end of a top beam 9 of the intermediate bracket 21 is hinged with the top beam 9 of the front bracket 20, the rear end of the top beam 9 of the intermediate bracket 21 is hinged with the top beam 9 of the rear bracket 22, the upright posts 11 provide moving power for the top beam 9 of the bracket, the rear bracket 22 is a two-post shield hydraulic bracket structure, the top beam 9 of the rear bracket 22 is hinged with the top beam 9 of the intermediate bracket 21, the base 10 of the rear bracket 22 is hinged on a pushing rod, and the other end of the pushing rod is hinged with the base 10 of the intermediate bracket 21; the offset traction frame 1, the front frame 20, the middle frame 21 and the rear frame 22 respectively comprise top beams 9, upright columns 11 and a base 10; the offset traction frame 1, the front frame 20 and the rear frame 22 are respectively provided with an anti-skid device 3, and the anti-skid devices 3 are arranged between the bases 10 of the corresponding main frame 70 and the corresponding auxiliary frame 71; the offset traction frame 1, the front frame 20, the middle frame 21 and the rear frame 22 are respectively provided with an anti-falling device 4, and the anti-falling device 4 is arranged between the top beams 9 of the corresponding main frame 70 and the auxiliary frame 71; the offset traction frame 1, the front frame 20, the middle frame 21 and/or the rear frame 22 are respectively provided with a protection component.
The utility model discloses an end support through setting up offset type traction frame 1 and offset type end support 2, can adapt to three soft coal seam tunnels, guarantees the normal operating of working face. In order to prevent the conditions of sideslip and frame falling, the anti-skid device 3 and the anti-falling device 4 are arranged, so that the running reliability is improved, and the stability is good.
As shown in fig. 3, 4 and 9, the antiskid device 3 includes an antiskid jack 30, and both ends of the antiskid jack 30 are respectively hinged with a connecting plate 31. The antiskid device 3 is arranged between the main frame 70 and the auxiliary frame 71 of the offset traction frame 1, specifically, one connecting plate 31 is fixed on the base 10 of the main frame 70 of the offset traction frame 1, the other connecting plate 31 is fixed on the base 10 of the auxiliary frame 71 of the offset traction frame 1, the antiskid device 3 increases the contact area of the base 10 and the bottom plate, and the base 10 is prevented from sinking. The antiskid device 3 is also arranged on the front frame 20 and the rear frame 22 of the offset end bracket 2, specifically, one connecting plate 31 is fixed on the base 10 of the main frame 70 of the front frame 20, and the other connecting plate 31 is fixed on the base 10 of the auxiliary frame 71 of the front frame 20; one connecting plate 31 is fixed to the base 10 of the main frame 70 of the rear frame 22, and the other connecting plate 31 is fixed to the base 10 of the sub-frame 71 of the rear frame 22. The whole three-soft coal seam roadway end support is provided with three groups of anti-skidding devices 3 in total, so that the condition of side slipping is prevented.
As shown in fig. 10, the tilting prevention device 4 includes a tilting prevention jack 40, two ends of the tilting prevention jack 40 are respectively hinged with a connecting assembly, and the connecting assembly includes a tilting prevention connector 43, a tilting prevention rotating shaft 42 and a tilting prevention cylinder 41; prevent down connector 43 one end and prevent down the one end of jack 40 and articulate and be connected, prevent down connector 43 still overlap and establish in the outside of preventing down pivot 42, prevent down pivot 42 and deviate from the one side of preventing down connector 43 and be connected with preventing down a section of thick bamboo 41, prevent down the vertical setting of a section of thick bamboo 41, and prevent down the top of a section of thick bamboo 41 and fix on corresponding back timber 9.
As shown in fig. 8, a set of anti-falling devices 4 are arranged between the main frame 70 and the sub-frame 71 of the offset traction frame 1, specifically, anti-falling cylinders 41 of two connecting assemblies are respectively fixed on the top beam 9 of the main frame 70 and the top beam 9 of the sub-frame 71, and an anti-falling jack 40 is hinged between the two connecting assemblies.
As shown in fig. 5, at least one set of anti-falling devices 4 is arranged between the main frame 70 and the sub frame 71 of the front frame 20 of the offset type end bracket 2, specifically, the anti-falling cylinders 41 of the two connecting assemblies of each set of anti-falling devices 4 are respectively fixed on the top beam 9 of the main frame 70 and the top beam 9 of the sub frame 71, and the anti-falling jacks 40 are hinged between the two connecting assemblies.
As shown in fig. 6, at least one set of anti-falling devices 4 is arranged between the main frame 70 and the sub frame 71 of the intermediate frame 21 of the offset type end bracket 2, specifically, the anti-falling cylinders 41 of the two connecting assemblies of each set of anti-falling devices 4 are respectively fixed on the top beam 9 of the main frame 70 and the top beam 9 of the sub frame 71, and the anti-falling jacks 40 are hinged between the two connecting assemblies.
As shown in fig. 7, at least one set of anti-falling devices 4 is arranged between the main frame 70 and the sub-frame 71 of the rear frame 22 of the offset type end bracket 2, specifically, the anti-falling cylinders 41 of the two connecting assemblies of each set of anti-falling devices 4 are respectively fixed on the top beam 9 of the main frame 70 and the top beam 9 of the sub-frame 71, and the anti-falling jacks 40 are hinged between the two connecting assemblies.
The arrangement of the anti-falling device 4 prevents the offset traction frame 1 and the offset end bracket 2 from arriving at home
As shown in fig. 2, the protective assembly includes a top beam skirt 120, a base skirt 121, a short top protective panel 122 and a long side protective panel; a top beam side guard plate 120 is arranged on all top beams 9 of the offset type end bracket 2; all the bases 10 of the offset end bracket 2 are provided with base side guard plates 121; specifically, a base side guard plate 121 and a top beam side guard plate 120 are arranged on one side close to a working surface and are in contact with a common hydraulic support, so that the area of a vacant top is reduced, and the coal gangue on the top plate is prevented from falling into the inner space of the support; short top protection plates 122 are arranged on the inner sides of the top beams 9 of all the main frames 70 and the auxiliary frames 71; due to the arrangement of the short roof protection plate 122, for the roof of the three-soft coal seam roadway, the roof protection area is increased, and the roof of the roadway is prevented from caving; long side protection plates are arranged on the outer sides of all the main frames 70 of the offset end supports 2, and the arrangement of the long side protection plates prevents roadway side deviation. In addition, the base 10 of the front frame 20 is connected with the base 10 of the rear frame 22 through a pushing rod, a machine passing space is arranged above a pushing rod of the auxiliary frame 71, and a long side protection plate is arranged on the outer side of a roadway of the pushing rod of the main frame 70, so that the unsupported area of the roadway side is reduced.
As shown in fig. 1, the front frame 20 further includes an upper link 130 and a lower link 131, one end of the upper link 130 is hinged to the top beam 9 of the front frame 20, the other end of the upper link 130 is hinged to one end of the lower link 131, and the other end of the lower link 131 is hinged to the base 10 of the front frame 20, so as to prevent the front frame 20 from deviating.
To sum up, the utility model discloses a three soft coal seam tunnel end support through setting up offset type traction frame 1, offset type end support 2, prevent turning down device 4 and antiskid 3, adapts to three soft coal seam tunnels, guarantees the normal operating of working face to antiskid has promoted stability.
The above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and any modification made within the spirit and principle of the present invention, such as an improvement of the support for the roadway end of the three-soft coal seam, should be included in the protection scope of the present invention.
Claims (7)
1. The three-soft coal seam roadway end support is characterized by comprising an offset type traction frame, an offset type end support and a pushing jack, wherein the offset type traction frame and the offset type end support respectively comprise a main frame and an auxiliary frame, a machine passing channel is arranged between the main frame and the auxiliary frame, and a pedestrian channel is arranged in the main frame;
the offset end support comprises a front frame, a middle frame and a rear frame, and the front frame is connected with the offset traction frame through the pushing jack;
the offset traction frame, the front frame, the middle frame and the rear frame respectively comprise top beams, upright columns and bases;
anti-skid devices are respectively arranged on the offset traction frame, the front frame and the rear frame and are arranged between the corresponding main frame and the base of the auxiliary frame;
the offset type traction frame, the front frame, the middle frame and the rear frame are respectively provided with an anti-falling device, and the anti-falling devices are arranged between the corresponding top beams of the main frame and the auxiliary frame;
and the offset traction frame, the front frame, the middle frame and/or the rear frame are/is provided with a protection component respectively.
2. The three-soft coal seam roadway end support of claim 1, wherein the anti-slip device comprises anti-slip jacks, two ends of each anti-slip jack are respectively hinged with a connecting plate, one connecting plate is fixed on the corresponding main frame base, and the other connecting plate is fixed on the corresponding auxiliary frame base.
3. The three-soft coal seam roadway end support of claim 1, wherein the anti-fall device comprises an anti-fall jack, two ends of the anti-fall jack are respectively hinged with a connecting assembly, and the connecting assembly comprises an anti-fall connector, an anti-fall rotating shaft and an anti-fall barrel;
prevent down connector one end with prevent that the one end of falling the jack is articulated to be connected, prevent down the connector still the cover establish prevent down the outside of rotation axis, prevent down the rotation axis and deviate from prevent down one side of connector with prevent down a section of thick bamboo and connect, prevent down the vertical setting of a section of thick bamboo, just prevent down the top of a section of thick bamboo and fix corresponding on the back timber.
4. The triple soft coal seam roadway end support of claim 1, wherein the protective assembly comprises a top beam side guard plate and a base side guard plate;
the top beam side guard plates are arranged on all the top beams of the offset type end bracket;
all the bases of the offset end bracket are provided with the base side guard plates.
5. The three-soft coal seam roadway end support of claim 4, wherein the protective assembly further comprises a short top protection plate, and the short top protection plate is arranged on the inner sides of the top beams of the main frame and the auxiliary frame.
6. The triple-soft coal seam roadway end support according to claim 4, wherein the protective assembly further comprises a long side guard plate, and the long side guard plate is arranged on the outer side of all the main frames of the offset end support.
7. The three-soft coal seam roadway end support of any one of claims 1 to 6, wherein the front frame further comprises an upper connecting rod and a lower connecting rod, one end of the upper connecting rod is hinged with the top beam of the front frame, the other end of the upper connecting rod is hinged with one end of the lower connecting rod, and the other end of the lower connecting rod is hinged with the base of the front frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222308046.2U CN217897929U (en) | 2022-08-29 | 2022-08-29 | Three soft coal seam tunnel end support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222308046.2U CN217897929U (en) | 2022-08-29 | 2022-08-29 | Three soft coal seam tunnel end support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217897929U true CN217897929U (en) | 2022-11-25 |
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ID=84107746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222308046.2U Active CN217897929U (en) | 2022-08-29 | 2022-08-29 | Three soft coal seam tunnel end support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217897929U (en) |
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2022
- 2022-08-29 CN CN202222308046.2U patent/CN217897929U/en active Active
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