CN221220526U - Retractable telescopic rack and conveying equipment - Google Patents
Retractable telescopic rack and conveying equipment Download PDFInfo
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- CN221220526U CN221220526U CN202322971262.XU CN202322971262U CN221220526U CN 221220526 U CN221220526 U CN 221220526U CN 202322971262 U CN202322971262 U CN 202322971262U CN 221220526 U CN221220526 U CN 221220526U
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Abstract
The utility model discloses a retractable telescopic rack and conveying equipment, which comprises: the first stepping mechanism is arranged at the head end of the retractable frame; the second stepping mechanism is arranged at the tail end of the retracting telescopic frame towards the tail of the self-moving machine, and a propelling device and a jacking device are respectively arranged on the first stepping mechanism and the second stepping mechanism: the flexible rail is used for being paved on the ground of a roadway, and two ends of the flexible rail are respectively and fixedly connected with the first stepping mechanism and the second stepping mechanism; the middle sliding frame is arranged on the flexible track and is arranged between the first stepping mechanism and the second stepping mechanism, and the first stepping mechanism, the middle sliding frame and the second stepping mechanism are sequentially connected; the bridge is arranged between the middle sliding frame and the second stepping mechanism, and two ends of the bridge are respectively connected with the middle sliding frame and the second stepping mechanism.
Description
Technical Field
The utility model relates to the technical field of coal mining equipment, in particular to a retractable frame and conveying equipment.
Background
In the existing coal mining process, the coal seam on two sides of a roadway can be stoped only after the roadway is excavated, and when stoping is carried out, the self-moving tail can be retreated continuously every time the self-moving tail is retreated for a certain distance, namely, the belt conveyor support is required to be dismantled for a certain length, so that time and labor are wasted, and the efficiency is low.
In addition, the working condition of the coal mine tunnel is complex, the fluctuation of the gradient of the tunnel is large, the posture of one coal face needs to be continuously adjusted in the stoping process, the traditional framework type telescopic frame is difficult to adjust the posture of the framework type telescopic frame when the framework type telescopic frame is stepped, and the framework type telescopic frame is blocked due to the fact that the fluctuation of the ground of the tunnel is uneven, so that the resistance of the framework type telescopic frame is too large when the framework is stepped, the requirement on the working condition is too high, the repairing maintenance cost is high, and the coal mining production efficiency is affected.
Disclosure of utility model
The utility model provides a retractable frame and conveying equipment, which are used for solving the technical problem that the recovery efficiency is affected by the existing frame dismantling operation.
The technical scheme adopted by the utility model is as follows:
a retractable telescopic frame for use with a delivery apparatus, comprising:
the first stepping mechanism is arranged at the head end of the retractable frame;
the second stepping mechanism is arranged at the tail end of the retracting telescopic frame towards the self-moving tail, and a propelling device and a jacking device are respectively arranged on the first stepping mechanism and the second stepping mechanism:
the flexible rail is used for being paved on the ground of a roadway, and two ends of the flexible rail are respectively and fixedly connected with the first stepping mechanism and the second stepping mechanism;
The middle sliding frame is arranged on the flexible track and is arranged between the first stepping mechanism and the second stepping mechanism, and the first stepping mechanism, the middle sliding frame and the second stepping mechanism are sequentially connected;
The bridge is arranged between the middle sliding frame and the second stepping mechanism, and two ends of the bridge are respectively connected with the middle sliding frame and the second stepping mechanism.
As a further improvement of the above technical solution, the retractable and telescopic frame includes a plurality of drag chains with preset lengths, which are used for respectively connecting the adjacent first stepping mechanism and the intermediate sliding frame, the adjacent two intermediate sliding frames, and the adjacent intermediate sliding frames and the bridge frame.
As a further improvement of the above technical solution, the number of intermediate carriages and the length of the towing chain are matched to the retraction distance.
As a further improvement of the technical scheme, the bridge is provided with an adjusting mechanism for adjusting the span and/or the height of the bridge.
As a further improvement of the technical scheme, the first stepping mechanism comprises a supporting sliding shoe and a middle support used as a support, two ends of the propelling device are respectively connected with the supporting sliding shoe and the middle support, and the jacking device is arranged on the middle support.
As a further improvement of the technical scheme, the jacking devices are respectively arranged at two sides of the middle bracket; the support sliding shoes are respectively arranged on two sides of the middle support, and each support sliding shoe is correspondingly provided with one propelling device.
As a further improvement of the technical scheme, the jacking device comprises jacking oil cylinders which are respectively arranged on two sides of the middle bracket.
As a further improvement of the above technical solution, the middle bracket is provided with an offset adjusting mechanism for correspondingly adjusting the posture of the first stepping mechanism so as to adjust the stepping direction of the first stepping mechanism or for correspondingly adjusting the posture of the second stepping mechanism so as to adjust the stepping direction of the second stepping mechanism.
As a further improvement of the technical scheme, the first stepping mechanism is provided with a pump station for respectively providing power for the propulsion device and the jacking device.
On the other hand, a conveying device is also provided, and the retracting telescopic rack is applied to any one of the above.
The utility model has the following beneficial effects: the head end and the tail end of the retractable frame are respectively provided with a stepping mechanism, a plurality of middle sliding frames are arranged between the two stepping mechanisms, a bridge is arranged between the middle sliding frames and the second stepping mechanism, and the adaptation of the frame to the fluctuation of the roadway ground is realized through the bridge; when special equipment of a coal mine carries out coal mine stoping, firstly, a self-moving tail of conveying equipment moves under the self power of the self-moving tail, the pushing devices act to enable the weights of a first stepping mechanism and a second stepping mechanism to be concentrated to a track so as to be tightly pressed on the ground, thus preventing the track from moving, a pushing device of the second stepping mechanism stretches out to push a bridge frame and a middle sliding frame to move on a flexible track to realize back-off, the space between the middle sliding frames is compressed, the pushing devices of the second stepping mechanism retract to enable the bottom of the second stepping mechanism to tightly support the ground and enable the tail end of the flexible track to leave the ground, and the pushing device of the second stepping mechanism retracts to realize the stepping movement of the second stepping mechanism and drive the flexible track to move towards the head, so that the stepping is realized and the requirement of non-stop coal mining is met; when the telescopic frame is retracted to the extreme limit (namely, no compression space exists between the middle sliding frames), the normal machine body of the conveying equipment is dismantled for a certain length of belt conveyor support, enough space is vacated, the first stepping mechanism steps and moves, the distance between the middle sliding frames is pulled back again, the condition that the telescopic frame is retracted again and the tail of the telescopic frame is retracted continuously is met, the first stepping mechanism and the second stepping mechanism are matched in a circulating action mode, the coal mining is carried out without stopping under the preset distance, and the efficiency is improved to a large extent.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The utility model will be described in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the construction of a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the pullback limit distance of a preferred embodiment of the present utility model;
FIG. 3 is a schematic view showing an extended state of the jack of the first swing mechanism according to the preferred embodiment of the present utility model;
FIG. 4 is a schematic view showing a retracted state of the jack of the first swing mechanism according to the preferred embodiment of the present utility model;
FIG. 5 is a schematic view of the first swing mechanism of the preferred embodiment of the present utility model in an extended condition;
1. The device comprises a first stepping mechanism 2, an intermediate sliding frame 3, a flexible track 4, a dragging chain 5, a bridge 6, a second stepping mechanism 7, a jacking device 8, a propelling device 9, an intermediate bracket 10, a supporting sliding shoe 11, a deviation adjusting mechanism 12 and a pump station.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 to 5, a preferred embodiment of the present utility model provides a retracting telescopic frame applied to a conveying apparatus such as a belt conveyor, comprising:
the first stepping mechanism 1 is arranged at the head end of the retractable telescopic frame;
The second stepping mechanism 6 is arranged at the tail end of the retracting telescopic frame towards the tail of the self-moving machine, and a pushing device 8 and a jacking device 7 are respectively arranged on the first stepping mechanism 1 and the second stepping mechanism 6:
the flexible track 3 is used for being laid on the ground of a roadway, and two ends of the flexible track 3 are fixedly connected with the first stepping mechanism 1 and the second stepping mechanism 6 respectively;
the middle sliding frame 2 is arranged on the flexible track 3 and is arranged between the first stepping mechanism 1 and the second stepping mechanism 6, and the first stepping mechanism 1, the middle sliding frame 2 and the second stepping mechanism 6 are connected in sequence;
the bridge 5 is arranged between the middle sliding frame 2 and the second stepping mechanism 6, and two ends of the bridge 5 are respectively connected with the middle sliding frame 2 and the second stepping mechanism 6.
Wherein the propulsion device 8 and the jacking device 7 are respectively realized by one group or a plurality of groups of telescopic cylinders;
It can be understood that the head end and the tail end of the retractable telescopic frame are respectively provided with a stepping mechanism, a plurality of middle sliding frames 2 are arranged between the two stepping mechanisms, a bridge frame 5 is arranged between the middle sliding frames 2 and a second stepping mechanism 6, and the adaptation of the frame to the fluctuation of the roadway ground is realized through the bridge frame 5; when special equipment of a coal mine carries out coal mine stoping, firstly, a self-moving tail of conveying equipment moves under the self power of the self-moving tail, each propping device 7 acts to enable the weight of a first stepping mechanism 1 and a second stepping mechanism 6 to be concentrated to a track so as to be tightly pressed on the ground to prevent the track from moving, a pushing device 8 of the second stepping mechanism 6 stretches out to push a bridge frame 5 and a middle sliding frame 2 to move on a flexible track 3 to realize backward withdrawal, the space between the middle sliding frames 2 is compressed, the propping device 7 of the second stepping mechanism 6 retracts to enable the bottom of the second stepping mechanism 6 to prop the ground and enable the tail end of the flexible track 3 to leave the ground, and the pushing device 8 of the second stepping mechanism 6 retracts to enable the second stepping mechanism 6 to move and drive the flexible track 3 to move towards the head so as to realize stepping and meet the requirement of continuous coal mining; when the telescopic frame is retracted to the extreme position (namely, no compression space exists between the middle sliding frames 2), the normal machine body of the conveying equipment is dismantled for a certain length of belt conveyor support, enough space is vacated, the first stepping mechanism 1 performs stepping movement, the distance between the middle sliding frames 2 is pulled back again, the repeated retraction of the telescopic frame and the continuous retraction of the self-moving tail are met, the first stepping mechanism 1 and the second stepping mechanism 6 perform cyclic action matching, the non-stop coal mining under the preset distance is realized, and the efficiency is improved to a large extent.
Wherein the action principle of the first stepping mechanism 1 refers to the second stepping mechanism 6;
In this embodiment, the retractable and telescopic frame comprises a plurality of drag chains 4 with preset lengths for respectively connecting the adjacent first stepping mechanism 1 and the intermediate sliding frame 2, the adjacent two intermediate sliding frames 2 and the adjacent intermediate sliding frames 2 and the bridge frame 5,
In this embodiment, the number of intermediate sliding frames 2 and the length of the dragging chain 4 are matched with the retraction distance, the preset limit distance of retraction is about 20 meters, and under the working condition of coal mining in the prior art, the time mining amount of one shift is far less than 20 meters, so that the retraction telescopic frame of this embodiment can select shift change time to disassemble the belt conveyor support to meet the retraction of the telescopic frame during field operation, and further the efficiency of coal mining is not affected.
In this embodiment, the bridge 5 is provided with an adjusting mechanism for adjusting the span and/or the height of the bridge 5, so as to adapt to the tunnel undulating ground.
In this embodiment, the first stepping mechanism 1 includes a supporting shoe 10 and a middle bracket 9 for supporting, two ends of a pushing device 8 are respectively connected to the supporting shoe 10 and the middle bracket 9, a pushing device 7 is arranged on the middle bracket 9, when the pushing device 7 of the second stepping mechanism 6 stretches out, the supporting shoe 10 leaves the ground, the pushing device 8 stretches out to enable the supporting shoe 10 to stretch out and push the bridge 5 and the middle sliding frame 2 to move, the pushing device 7 retracts to enable the supporting shoe 10 to be supported on the ground, and the pushing device 8 retracts to enable the middle bracket 9 to move, so that stepping is realized;
The jacking devices 7 are respectively arranged at two sides of the middle bracket 9, so that the lifting state is ensured to be stable; the supporting sliding shoes 10 are respectively arranged at two sides of the middle bracket 9, each supporting sliding shoe 10 is correspondingly provided with a propelling device 8, and the propelling devices 8 at two sides synchronously act to step.
It will be appreciated that the jacking means 7 comprises jacking cylinders mounted on either side of the intermediate frame 9, and that the propulsion means 8 comprises propulsion cylinders.
In this embodiment, the middle bracket 9 is provided with a deviation adjusting mechanism 11 for adjusting the posture of the first stepping mechanism 1 so as to adjust the stepping direction, the deviation adjusting mechanism 11 is a transverse deviation adjusting cylinder, and the deviation caused by the deviation of the posture due to the incomplete consistent stroke of the pushing cylinders at the two sides of the stepping mechanism is avoided by adjusting the stepping direction in a telescopic manner, so that the device is suitable for the complex topography of a roadway.
In this embodiment, the first swing mechanism 1 is provided with a pump station 12 for respectively powering the propulsion device 8 and the tightening device 7.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A retractable frame for use with a conveyor, comprising:
The first stepping mechanism (1) is arranged at the head end of the retractable frame;
The second stepping mechanism (6) is arranged at the tail end of the retracting telescopic frame towards the tail of the self-moving machine, and a propelling device (8) and a jacking device (7) are respectively arranged on the first stepping mechanism (1) and the second stepping mechanism (6):
the flexible track (3) is used for being laid on the ground of a roadway, and two ends of the flexible track (3) are respectively and fixedly connected with the first stepping mechanism (1) and the second stepping mechanism (6);
The middle sliding frame (2) is arranged on the flexible track (3) and is arranged between the first stepping mechanism (1) and the second stepping mechanism (6), and the first stepping mechanism (1), the middle sliding frame (2) and the second stepping mechanism (6) are sequentially connected;
The bridge frame (5) is arranged between the middle sliding frame (2) and the second stepping mechanism (6), and two ends of the bridge frame (5) are respectively connected with the middle sliding frame (2) and the second stepping mechanism (6).
2. The retraction frame according to claim 1, characterized in that it comprises a plurality of dragging chains (4) of preset length for respectively connecting adjacent first stepping mechanisms (1) and intermediate sliding frames (2), adjacent two intermediate sliding frames (2) and adjacent intermediate sliding frames (2) and bridge frame (5).
3. The retraction frame according to claim 2, characterized in that the number of intermediate carriages (2) and the length of the towing chain (4) are matched to the retraction distance.
4. The retractable frame according to claim 1, characterized in that said bridge (5) is provided with an adjustment mechanism for adjusting the span and/or the height of said bridge (5).
5. The retractable frame according to claim 1, wherein the first stepping mechanism (1) comprises a supporting sliding shoe (10) and an intermediate bracket (9) for supporting, two ends of the pushing device (8) are respectively connected with the supporting sliding shoe (10) and the intermediate bracket (9), and the jacking device (7) is arranged on the intermediate bracket (9).
6. The retractable frame according to claim 5, characterized in that said tightening means (7) are respectively arranged on both sides of said intermediate support (9); the supporting sliding shoes (10) are respectively arranged at two sides of the middle bracket (9), and each supporting sliding shoe (10) is correspondingly provided with one propelling device (8).
7. The retracting telescopic frame according to claim 6, wherein the tightening device (7) comprises tightening cylinders respectively mounted on both sides of the intermediate bracket (9).
8. The retractable frame according to claim 5, wherein the middle bracket (9) is provided with a deviation adjusting mechanism (11) for correspondingly adjusting the posture of the first stepping mechanism (1) so as to adjust the stepping direction of the first stepping mechanism (1) or for correspondingly adjusting the posture of the second stepping mechanism (6) so as to adjust the stepping direction of the second stepping mechanism (6).
9. A retracting telescopic frame according to any of claims 5-8, characterized in that the first swing mechanism (1) is provided with a pump station (12) for powering the propulsion means (8) and the tightening means (7), respectively.
10. A conveyor apparatus, characterized in that a retracting telescopic frame according to any one of claims 1-9 is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322971262.XU CN221220526U (en) | 2023-11-03 | 2023-11-03 | Retractable telescopic rack and conveying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322971262.XU CN221220526U (en) | 2023-11-03 | 2023-11-03 | Retractable telescopic rack and conveying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221220526U true CN221220526U (en) | 2024-06-25 |
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ID=91577547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322971262.XU Active CN221220526U (en) | 2023-11-03 | 2023-11-03 | Retractable telescopic rack and conveying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221220526U (en) |
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2023
- 2023-11-03 CN CN202322971262.XU patent/CN221220526U/en active Active
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