CN217681820U - Onboard temporary supporting device of heading machine - Google Patents
Onboard temporary supporting device of heading machine Download PDFInfo
- Publication number
- CN217681820U CN217681820U CN202221380642.5U CN202221380642U CN217681820U CN 217681820 U CN217681820 U CN 217681820U CN 202221380642 U CN202221380642 U CN 202221380642U CN 217681820 U CN217681820 U CN 217681820U
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- connecting piece
- arm
- transverse
- supporting
- top frame
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- 230000005641 tunneling Effects 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000011435 rock Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses an onboard temporary support device of a heading machine, which is formed by connecting a top frame and a folding lifting frame, and is characterized in that the top frame is of a grid structure and is formed by welding longitudinal beams and transverse beams, the transverse beams at the rear position of the top frame and the transverse beam at the front end are provided with a left connecting piece and a right connecting piece, and the left connecting piece and the right connecting piece are provided with transverse connecting holes and are connected with the folding lifting frame through the transverse connecting holes; by controlling different extension lengths of the left and right support cylinders and the angle adjusting cylinder, four angular positions of the top frame can be lifted independently under the action of the connecting piece, so that the adjustment of any inclination angle is realized; the supporting posture can be adjusted at will to adapt to the top plates in various inclined conditions when the anchor rod is driven after tunneling.
Description
Technical Field
The utility model belongs to colliery tunnelling temporary support technique, concretely relates to entry driving machine carries temporary support device.
Background
The machine-mounted temporary support is always a mode of underground temporary support, and is an important component of underground tunneling, anchoring and supporting integration. The structure of the support mainly comprises a cantilever type structure and a hinge connecting rod type structure, the support strength difference of the two support structures is relatively poor, the support posture is relatively fixed when a complex top plate and an inclined roadway are supported, and the support is forcedly supported to easily cause the fracture of a support connecting pin shaft. Further improvements are therefore desirable.
Disclosure of Invention
To the weak point among the prior art, the utility model relates to a can support novel machine of gesture according to roof inclination adjustment and carry temporary support device.
In order to achieve the above purpose, the utility model discloses technical scheme as follows:
a machine-mounted temporary supporting device of a heading machine is formed by connecting a top frame and a folding lifting frame; the folding lifting frame is characterized in that the top frame is of a grid structure and is formed by welding a longitudinal beam and a transverse beam, a support anchor rod can be arranged on the top plate through meshes on the top frame, a left connecting piece and a right connecting piece are arranged on the transverse beam close to the rear position of the top frame and the transverse beam at the front end of the top frame, transverse connecting holes are arranged on the left connecting piece and the right connecting piece, and the folding lifting frame is connected with the top frame through the transverse connecting holes; the folding lifting frame comprises a left supporting arm and a right supporting arm which are obliquely arranged, wherein the left arm is of a whole structure, and the right arm is of a telescopic structure; the top surface of each supporting arm is hinged with an angle adjusting oil cylinder, and the bottom surface of each supporting arm is hinged with a supporting oil cylinder; the bottom ends of the left arm and the right arm and the bottom ends of the two supporting oil cylinders form four symmetrical supporting points, and the four supporting points are respectively connected to four hinged supports on the top surface of the tunneling arm of the tunneling machine through hinged shafts; the top ends of the left arm and the right arm and the top ends of the two angle adjusting oil cylinders are respectively provided with a transverse connecting hole, and the transverse connecting holes are correspondingly hinged with the four connecting pieces of the top frame, so that a Z-shaped up-and-down folding mechanism is formed together.
In order to adapt to the requirement of supporting and protecting an inclined roadway top plate, the connecting structure of the connecting piece and the cross beam is characterized in that the left connecting piece is sleeved on the cross beam, and a rubber roller is arranged in the left connecting piece, so that the left connecting piece can slide laterally on the cross beam along with the lifting of one side of the top frame; the right connecting piece is upwards clamped on the cross beam, and the right connecting piece and the cross beam are provided with longitudinal connecting holes which correspond to each other and can swing left and right after being connected with the cross beam by a pin shaft; by controlling different extension lengths of the left and right supporting oil cylinders and the angle adjusting oil cylinder, four angular positions of the top frame can be independently lifted to different heights under the action of the connecting piece, so that the adjustment of any inclination angle is realized.
The positions of the left and right connecting pieces are not limited to the left and right sides, and the positions can be interchanged.
The above-mentioned "front, rear, left, and right" are merely for convenience of description, and are not limited thereto.
The utility model discloses beneficial effect: when the top frame is used, the top frame is arranged on a tunneling arm of a tunneling machine and contracted when tunneling rocks, the top frame is lifted through the extension of the supporting oil cylinder and the angle adjusting oil cylinder when an anchor rod is drilled after tunneling, the supporting posture can be adjusted randomly through different extension lengths to adapt to inclined top plates with different inclination angles, the upper plane of the top frame can be close to the top plates at any time no matter the top plates are inclined front and back or left and right, and the supporting area and the supporting strength are ensured. Because two connecting pieces with different connecting structures are designed, the arbitrary inclination angle of the top frame can be flexibly adjusted.
Drawings
The present invention will be further explained with reference to the accompanying drawings
Fig. 1 is a schematic structural perspective view of an onboard temporary support device of a heading machine according to an embodiment.
Fig. 2 is a front view of the left connecting member in the embodiment, fig. 3 is a perspective view of the left connecting member, and fig. 4 is a schematic view of an application state of the left connecting member.
Fig. 5 is a front view of a right connecting member in the embodiment, fig. 6 is a perspective view of the right connecting member, and fig. 7 is a schematic view of an application state of the right connecting member.
Fig. 8 is a schematic view of a state in which the temporary support device mounted on the heading machine supports the inclined roof in the embodiment.
In the figure 1, 1-hinged support, 2-supporting oil cylinder, 3-top frame, 3.1-beam near the back position, 3.2-front end beam, 4-supporting arm, 5-angle-adjusting oil cylinder, 6-right connecting piece, 6.1-longitudinal connecting hole, 6.2-right transverse connecting hole, 7-left connecting piece, 7.1-rubber roller and 7.2-left transverse connecting hole.
Detailed Description
As shown in fig. 1, the onboard temporary support device of the development machine is formed by connecting a top frame 3 and a folding lifting frame; the folding top frame is characterized in that the top frame 3 is of a grid structure and is formed by welding longitudinal beams and transverse beams, anchor rods can be supported on the top plate through meshes on the top frame 3, a left connecting piece 7 shown in figures 2 and 3 and a right connecting piece 6 shown in figures 5 and 6 are arranged on the transverse beam 3.1 at the position close to the rear part of the top frame 3 and the transverse beam 3.2 at the front end of the top frame 3, transverse connecting holes are formed in the left connecting piece 7 and the right connecting piece 6, a right transverse connecting hole 6.2 is formed in the right connecting piece 6 shown in figure 2, a left transverse connecting hole 7.2 is formed in the left connecting piece 7 shown in figure 5, and the top frame 3 is connected with the folding lifting frame through the transverse connecting holes; the folding lifting frame comprises a left supporting arm and a right supporting arm 4 which are obliquely arranged, wherein the left arm is of a whole structure, and the right arm is of a telescopic structure; the top surface of each supporting arm 4 is hinged with an angle adjusting oil cylinder 5, and the bottom surface is hinged with a supporting oil cylinder 2; the bottom ends of the left arm and the right arm and the bottom ends of the two supporting oil cylinders 2 form four symmetrical supporting points, and the four supporting points are respectively connected to four hinged supports 1 on the top surface of the tunneling arm of the tunneling machine through pin shafts; the top ends of the left arm and the right arm (supporting arm 4) and the top ends of the two angle-adjusting oil cylinders 5 are also provided with transverse connecting holes, and the transverse connecting holes are hinged with a connecting piece 6 and a connecting piece 7, so that a Z-shaped up-and-down folding mechanism is formed together.
In order to meet the requirement of supporting an inclined roadway roof, the two left connecting pieces 7 are respectively sleeved on the left sides of the front end beam 3.2 and the rear cross beam 3.1, rubber rollers 7.1 are arranged in the left connecting pieces 7, so that the two left connecting pieces 7 can respectively slide laterally on the respective cross beams along with the lifting of one side of the roof rack 3, the connecting structure is shown in fig. 4, and fig. 4 takes the left connecting piece 7 on the front end beam 3.2 as an example; the right connecting piece 6 and the corresponding cross beam are provided with longitudinal connecting holes corresponding to each other, and can swing left and right after being connected with the cross beam by a pin shaft, as shown in fig. 7, the right connecting piece 6 on the cross beam 3.1 is taken as an example in fig. 7; when the angle adjusting device is used, the four angle positions of the top frame can be independently lifted to different heights under the action of the connecting piece 7 by controlling different extension lengths of the left and right supporting oil cylinders 2 and the angle adjusting oil cylinder 5, so that the adjustment of any inclination angle is realized, and the requirements of various top plate inclination conditions are met as shown in fig. 8.
The positions of the left and right connecting pieces are not limited to the left and right sides, and the positions can be interchanged.
When the supporting roof rack is used, the supporting roof rack is arranged on a tunneling arm of a tunneling machine, when rock is tunneled, the supporting roof rack is contracted, when a supporting anchor rod is drilled after tunneling, the supporting roof rack 3 is lifted by adjusting the extension of the supporting oil cylinder 2 and the angle adjusting oil cylinder 5, the supporting posture can be adjusted at will by different extension lengths of the supporting roof rack to adapt to different inclination angles of a roof, as shown in fig. 8, when the left lifting height is h, the left connecting piece 7 slides laterally on a cross beam along with the lifting of the top rack 3, and the sliding distance is a; therefore, the upper plane of the top frame can be close to the top plate constantly no matter the top plate inclines forwards and backwards or leftwards and rightwards, the supporting area and the supporting strength are ensured, and any inclination angle of the top frame can be adjusted flexibly.
Claims (2)
1. A machine-mounted temporary supporting device of a heading machine is formed by connecting a top frame and a folding lifting frame; the folding lifting frame is characterized in that the top frame is of a grid structure and is formed by welding a longitudinal beam and a transverse beam, the transverse beam at the position close to the rear of the top frame and the transverse beam at the front end are both provided with a left connecting piece and a right connecting piece, the left connecting piece and the right connecting piece are both provided with transverse connecting holes, and the folding lifting frame is connected with the transverse connecting holes; the folding lifting frame comprises a left supporting arm and a right supporting arm which are obliquely arranged, wherein the left arm is of a whole structure, and the right arm is of a telescopic structure; the top surface of each supporting arm is hinged with an angle adjusting oil cylinder, and the bottom surface of each supporting arm is hinged with a supporting oil cylinder; the bottom ends of the left arm and the right arm and the bottom ends of the two supporting oil cylinders form four symmetrical supporting points, and the four supporting points are respectively connected to four hinged supports on the top surface of the tunneling arm of the tunneling machine through hinged shafts; the top ends of the left arm and the right arm and the top ends of the two angle-adjusting oil cylinders are respectively provided with a transverse connecting hole, and the transverse connecting holes are correspondingly hinged with the four connecting pieces of the top frame, so that a Z-shaped up-and-down folding mechanism is formed together; the connecting structure of the connecting piece and the cross beam is characterized in that the left connecting piece is sleeved on the cross beam, and a rubber roller is arranged in the left connecting piece, so that the left connecting piece can slide laterally on the cross beam along with the lifting of one side of the top frame; the right connecting piece is upwards clamped on the cross beam, and the right connecting piece and the cross beam are provided with longitudinal connecting holes which correspond to each other and can swing left and right after being connected with the cross beam by a pin shaft; by controlling different extension lengths of the left and right support cylinders and the angle adjusting cylinder, the four angular positions of the top frame can be lifted independently under the action of the connecting piece, so that the adjustment of any inclination angle is realized.
2. A temporary support means on board a heading machine as claimed in claim 1 wherein the left and right connectors are interchangeable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221380642.5U CN217681820U (en) | 2022-06-06 | 2022-06-06 | Onboard temporary supporting device of heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221380642.5U CN217681820U (en) | 2022-06-06 | 2022-06-06 | Onboard temporary supporting device of heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217681820U true CN217681820U (en) | 2022-10-28 |
Family
ID=83705176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221380642.5U Expired - Fee Related CN217681820U (en) | 2022-06-06 | 2022-06-06 | Onboard temporary supporting device of heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217681820U (en) |
-
2022
- 2022-06-06 CN CN202221380642.5U patent/CN217681820U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |