CN216043824U - Self-moving type withdrawing shield hydraulic support - Google Patents
Self-moving type withdrawing shield hydraulic support Download PDFInfo
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- CN216043824U CN216043824U CN202121249124.5U CN202121249124U CN216043824U CN 216043824 U CN216043824 U CN 216043824U CN 202121249124 U CN202121249124 U CN 202121249124U CN 216043824 U CN216043824 U CN 216043824U
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Abstract
The utility model discloses a self-moving type withdrawing shield hydraulic support which comprises a front beam (1), a front beam jack (2), a top beam (3), six upright posts (4), a shield beam (5), a front connecting rod (6), a rear connecting rod (7), a middle top beam (8), a right upper baffle (9), a left upper baffle (10), a right lower baffle (11), a left lower baffle (12), a base (13), a pushing jack (14) and a middle base (15); the utility model has the advantages of high supporting strength, convenient movement, good safety performance, high efficiency and the like, so the utility model can be widely applied to the field of mechanical engineering.
Description
Technical Field
The utility model relates to the field of mechanical engineering, in particular to a self-moving type retracting shield hydraulic support.
Background
After the mining of the underground working face of the coal mine is finished, the working face and two lane equipment need to be dismantled and removed as soon as possible, and the working face and the two lane equipment need to be transported to a new working face. The hydraulic support is large-scale supporting equipment for a working surface under a coal mine, more than 100 pieces of equipment are arranged on one working surface, and each piece of hydraulic support needs to be sequentially pulled out from one end of the working surface, rotated by 90 degrees and then transported to a new working surface. A triangular area formed when the support is retracted does not have proper supporting equipment, and a single hydraulic support is usually matched with an I-shaped steel to support a top plate of the triangular area, namely 7-9 rows of single supports are supported in the triangular area, each row of 3 supports has a row spacing of 800 millimeters and a spacing of 750 millimeters, and the top of each single support is supported by a cantilever beam. The single prop and the cantilever beam need to be operated manually, and the single prop and the I-steel in the rear row need to be continuously detached and moved to the empty top in the front for re-supporting after the support is continuously withdrawn. The mode has the problems of high labor intensity, low supporting strength, multiple potential safety hazards, low efficiency, slow progress and the like, and can not meet the requirement of withdrawal progress. A supporting device with high supporting strength, convenient movement, good safety performance and high efficiency is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a self-moving type withdrawing shield hydraulic support which comprises a front beam, a front beam jack, a top beam, six stand columns, a shield beam, a front connecting rod, a rear connecting rod, a middle top beam, a right upper baffle, a left upper baffle, a right lower baffle, a left lower baffle, a base, a pushing jack and a middle base, wherein the front end of the top beam is hinged with the front beam, two ends of the front beam jack are respectively hinged with the other end of the front beam and the other end of the top beam, the upper end of the shield beam is hinged with the top beam, the lower end of the shield beam is sequentially hinged with the front connecting rod and the rear connecting rod, and the other end of the rear connecting rod is hinged with the base;
the both ends of advancing jack respectively with the base with well base is articulated, six arbitrary two in the stand well back timber with well base is constituteed well support, belongs to two of well support the both ends of stand respectively with well back timber with well base is connected, six remaining four in the stand the back timber with the main support is constituteed to the base, the upper right baffle with the upper left baffle is respectively through bolted connection in the both sides of back timber, the baffle under the right side with the baffle is respectively through bolted connection under the left side the both sides of base.
Furthermore, the middle part of the base is provided with a guide groove and an upper limit and a lower limit, and the middle base can slide or float in the guide groove in the middle part of the base.
Furthermore, the middle part of the top beam is provided with a guide groove and an upper limit and a lower limit, and the middle top beam can slide or float in the guide groove in the middle part of the top beam.
Furthermore, the opening size of the front beam is larger than the width size of the middle top beam, the front beam and the top beam are hinged through two cylindrical pins, and the middle top beam can freely slide when the front beam swings.
Further, gaps are arranged between the right upper baffle and the right lower baffle and between the left upper baffle and the left lower baffle.
By adopting the technical scheme, the utility model has the technical effects of high supporting strength, convenient movement, good safety performance and high efficiency, and can better meet the supporting requirements of a triangular area.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a front beam structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a top beam configuration according to an embodiment of the present invention;
FIG. 4 is a schematic view of a shield beam according to an embodiment of the present invention;
FIG. 5 is a schematic view of a base structure according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a top beam structure according to an embodiment of the present invention;
FIG. 7 is a schematic view of a base structure according to an embodiment of the present invention;
FIG. 8 is a schematic view of a bracket structure according to an embodiment of the present invention;
as shown in the figure:
1-front beam, 2-front beam jack, 3-top beam, 4-upright post, 5-shield beam, 6-front connecting rod, 7-rear connecting rod, 8-middle top beam, 9-right upper baffle, 10-left upper baffle, 11-right lower baffle, 12-left lower baffle, 13-base, 14-pushing jack, 15-middle base.
Detailed Description
In order to better explain the utility model, the utility model will be further described with reference to the following examples, which should be construed as merely illustrative and not limitative of the remainder of the disclosure;
example one
As shown in fig. 1 to 8, a self-moving type retracting shield hydraulic support comprises a front beam 1, a front beam jack 2, a top beam 3, six upright columns 4, a shield beam 5, a front connecting rod 6, a rear connecting rod 7, a middle top beam 8, a right upper baffle 9, a left upper baffle 10, a right lower baffle 11, a left lower baffle 12, a base 13, a pushing jack 14 and a middle base 15;
the front end of the top beam 3 is hinged with the front beam 1, two ends of the front beam jack 2 are respectively hinged with the other end of the front beam 1 and the other end of the top beam 3, the upper end of the shield beam 5 is hinged with the top beam 3, the lower end of the shield beam 5 is sequentially hinged with the front connecting rod 6 and the rear connecting rod 7, and the other end of the rear connecting rod 7 is hinged with the base 13;
two ends of a pushing jack 14 are respectively hinged with a base 13 and a middle base 15, any two of six upright posts 4, a middle top beam 8 and the middle base 15 form a middle support, two ends of the two upright posts 4 belonging to the middle support are respectively connected with the middle top beam 8 and the middle base 15, the rest four of the six upright posts 4, the top beams 3 and the base 13 form a main support, a right upper baffle plate 9 and a left upper baffle plate 10 are respectively connected with two sides of the top beams 3 through bolts, and a right lower baffle plate 11 and a left lower baffle plate 12 are respectively connected with two sides of the base 13 through bolts;
the middle part of the base 13 is provided with a guide groove and an upper limit and a lower limit, and the middle base 15 can slide or float in the guide groove in the middle part of the base 13.
The middle part of the top beam 3 is provided with a guide groove and an upper limit and a lower limit, and the middle top beam 8 can slide or float in the guide groove in the middle part of the top beam 3.
The opening size of the front beam 1 is larger than the width size of the middle top beam 8, the front beam 1 is hinged with the top beam 3 through two cylindrical pins, and the middle top beam 8 can freely slide when the front beam 1 swings.
Gaps are arranged between the right upper baffle 9 and the right lower baffle 11 and between the left upper baffle 10 and the left lower baffle 12;
in order to realize the self-moving function and ensure the smooth operation in the moving driving process, guide sliding grooves in the horizontal length direction and upper and lower limit positions are arranged between the top beam 3 and the middle top beam 8 and between the base 13 and the middle base 15;
the middle top beam 8 on the middle frame can slide back and forth in the guide groove of the top beam 3 on the main frame and can float up and down by about 160 mm in order to adapt to the unevenness of the top plate of the working surface; when the support needs to move, the movable columns of the two upright columns 4 on the middle frame are locked back by about 120 mm, the middle top beam 8 is separated from the working face top plate, the movable columns of the pushing jack 14 extend out by a stroke (about 800 mm or 1200 mm), the middle frame is pushed forward by a stroke, then the 2 upright columns 4 on the middle frame are lifted to the top plate and tightly pushed to working pressure, then the movable columns of the 4 upright columns 4 on the main frame are locked back by about 120 mm, the top beam 3 is separated from the working face top plate, the movable columns of the pushing jack 14 retract by a stroke (about 800 mm or 1200 mm), the main frame is pulled forward by a stroke, and the support finishes moving forward by a step distance. If the support needs to move forwards continuously, the operation is repeated, and the self-moving function of the support can be realized;
in order to facilitate underground transportation and reduce the maximum length and size of the components, the front beam 1 and the top beam 3 are designed into foldable mechanisms;
the utility model can flexibly set the quantity of the utility model according to the size of the space, and the utility model can be used in parallel arrangement.
The above embodiments are only illustrative of the present invention, and the present invention is not limited to the embodiments described above.
Claims (5)
1. A self-moving type retracting shield hydraulic support comprises a front beam (1), a front beam jack (2), a top beam (3), six upright posts (4), a shield beam (5), a front connecting rod (6), a rear connecting rod (7), a middle top beam (8), a right upper baffle (9), a left upper baffle (10), a right lower baffle (11), a left lower baffle (12), a base (13), a pushing jack (14) and a middle base (15), characterized in that the front end of the top beam (3) is hinged with the front beam (1), two ends of the front beam jack (2) are respectively hinged with the other end of the front beam (1) and the other end of the top beam (3), the upper end of the shield beam (5) is hinged with the top beam (3), the lower end of the shield beam (5) is sequentially hinged with the front connecting rod (6) and the rear connecting rod (7), and the other end of the rear connecting rod (7) is hinged with the base (13);
the both ends of advancing jack (14) respectively with base (13) with well base (15) are articulated, six arbitrary two in stand (4) well back timber (8) with well base (15) are constituteed well support, belong to well two of support the both ends of stand (4) respectively with well back timber (8) with well base (15) are connected, six surplus four in stand (4) back timber (3) with base (13) are constituteed, upper right baffle (9) with upper left baffle (10) are respectively through bolted connection in the both sides of back timber (3), baffle (11) under the right side with baffle (12) are respectively through bolted connection under the left side the both sides of base (13).
2. The self-moving type retracting shield hydraulic support according to claim 1, wherein the middle part of the base (13) is provided with a guide groove and upper and lower limit positions, and the middle base (15) can slide or float in the guide groove of the middle part of the base (13).
3. The self-moving type retracting shield hydraulic support according to claim 1, characterized in that the middle part of the top beam (3) is provided with a guide groove and upper and lower limit positions, and the middle top beam (8) can slide or float in the guide groove of the middle part of the top beam (3).
4. A self-moving retracting shield hydraulic support according to claim 1, characterized in that the opening size of the front beam (1) is larger than the width size of the middle top beam (8), the front beam (1) is hinged with the top beam (3) by two cylindrical pins, and the middle top beam (8) can slide freely when the front beam (1) swings.
5. A self-advancing retracting shield hydraulic support according to claim 1, characterized in that a gap is provided between the upper right baffle (9) and the lower right baffle (11) and between the upper left baffle (10) and the lower left baffle (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121249124.5U CN216043824U (en) | 2021-06-05 | 2021-06-05 | Self-moving type withdrawing shield hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121249124.5U CN216043824U (en) | 2021-06-05 | 2021-06-05 | Self-moving type withdrawing shield hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216043824U true CN216043824U (en) | 2022-03-15 |
Family
ID=80614620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121249124.5U Active CN216043824U (en) | 2021-06-05 | 2021-06-05 | Self-moving type withdrawing shield hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216043824U (en) |
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2021
- 2021-06-05 CN CN202121249124.5U patent/CN216043824U/en active Active
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