CN220363910U - Machine frame capable of automatically leveling and straightening for self-moving tail of heading face - Google Patents
Machine frame capable of automatically leveling and straightening for self-moving tail of heading face Download PDFInfo
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- CN220363910U CN220363910U CN202321052799.XU CN202321052799U CN220363910U CN 220363910 U CN220363910 U CN 220363910U CN 202321052799 U CN202321052799 U CN 202321052799U CN 220363910 U CN220363910 U CN 220363910U
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 20
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000005065 mining Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The utility model relates to a frame capable of automatically leveling and straightening for a self-moving tail of a walking face, belonging to the technical field of self-moving tails; the front side and the rear side of the lower end face of the frame body are provided with two bottom lifting jacks, the rear side of the lower end face of the frame body is provided with two pulley assemblies, a piston rod of each bottom lifting jack is vertically downwards arranged, a sliding seat is hinged to the end part of the piston rod, a sliding frame is arranged between the two sliding seats, the upper end face of the sliding frame is fixedly provided with a bidirectional deviation adjusting jack, and the two piston rods of the bidirectional deviation adjusting jack face to the sliding seat on the same side and are hinged to the sliding seat on the same side; each pulley assembly comprises a pulley frame, a front pulley and a rear pulley are rotatably connected in the pulley frame, an opening is formed in the lower end face of the pulley frame, and a guide rail extends into the pulley frame through the opening; solves the problem of belt deviation caused by the inclination of the existing self-moving tail in the underground roadway with uneven height.
Description
Technical Field
The utility model belongs to the technical field of self-moving machine tails, and particularly relates to a machine frame capable of automatically leveling and straightening for a self-moving machine tail when a tunneling face steps.
Background
In the cutting process of the heading machine, most of time is consumed in supporting operations such as shed erecting, net laying, anchor rod punching, belt extending and the like under the stop condition of operators, and the frequent belt extending operation seriously interferes with normal transportation of coal and gangue, so that the continuous heading progress cannot be too large, and the heading efficiency is affected.
Along with the rapid development of automatic, intelligent and unmanned technologies of underground fully-mechanized coal mining face equipment, although the development of a self-moving tail of a tunneling face is carried out at present, various hidden dangers brought by pulling and moving a belt tail of a tunneling machine in the past are eliminated, but the problems that a self-moving tail tilts in the running process due to uneven underground roadways, a tail roller deviates from the longitudinal center line of a conveyor, belt deviation is caused and normal running of the belt machine is influenced are not solved.
Disclosure of Invention
The utility model overcomes the defects of the prior art and provides the machine frame which is used for the automatic leveling and straightening of the tail of the self-moving machine of the walking face; solves the problem of belt deviation caused by the inclination of the existing self-moving tail in the underground roadway with uneven height.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme.
The machine frame comprises a frame body, two bottom lifting jacks are symmetrically arranged on the front side of the lower end face of the frame body, two pulley assemblies are arranged on the rear side of the lower end face of the frame body, a piston rod of each bottom lifting jack is vertically downwards arranged, a sliding seat is hinged to the end part of the piston rod, a sliding frame is arranged between the two sliding seats, a bidirectional deviation adjusting jack is fixedly arranged on the upper end face of the sliding frame, and two piston rods of the bidirectional deviation adjusting jacks face to the sliding seats on the same side respectively and are hinged to the sliding seats on the same side; each pulley assembly comprises a pulley frame, a front pulley and a rear pulley are rotatably connected in the pulley frame, an opening is formed in the lower end face of the pulley frame, and a guide rail extends into the pulley frame through the opening.
Further, the slide is L-shaped structure, including a vertical section and a horizontal section, the lower extreme of vertical section is fixed connection with the outside one end of horizontal section, and the upper end of vertical section is articulated with the piston rod tip of lifting the end jack mutually, and the inboard one end of the horizontal section of two slides sets up relatively.
Furthermore, the pulley frame is of a square box body structure with the front end and the rear end open, and is fixedly arranged on the lower end face of the frame body.
Further, an opening at the lower end face of the pulley frame is communicated with the front end and the rear end of the pulley frame, and the width of the opening is smaller than the left width and the right width of the inside of the pulley frame.
Further, the width between the two bottom lifting jacks is smaller than the width between the two pulley assemblies.
Further, the guide rail is horizontally arranged front and back, the section of the guide rail is of an I-shaped structure, the horizontal section of the upper end of the guide rail is positioned in the pulley frame, the middle vertical section of the guide rail is positioned in the opening of the lower end face of the pulley frame, and the left wing and the right wing of the horizontal section of the upper end of the guide rail are positioned between the pulley and the lower end face of the pulley frame.
Further, the cylinder body of the bidirectional deviation adjusting jack is fixedly connected with the sliding frame, the piston rod on the left side of the bidirectional deviation adjusting jack is horizontally leftwards and hinged with one end of the inner side of the horizontal section of the sliding seat on the left side, and the piston rod on the right side of the bidirectional deviation adjusting jack is horizontally rightwards and hinged with one end of the inner side of the horizontal section of the sliding seat on the right side.
Compared with the prior art, the utility model has the following beneficial effects:
the frame capable of automatically leveling and straightening for the walking self-moving tail provided by the utility model can adjust the angle of the sliding frame by controlling the bottom lifting jack and the expansion and contraction of the leveling jack, so that the sliding frame is attached to the ground, the inclination phenomenon of the self-moving tail in the running process due to uneven underground roadway is effectively avoided, the belt deviation caused by the deviation of the tail roller from the central line of the conveyor is avoided, the normal running of the conveyor is influenced, and the problems that the bidirectional deviation adjusting jack can only basically center the tail roller and needs repeated operation through manual operation and open loop control are solved.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a front elevational view of the entirety of the present utility model;
FIG. 2 is a schematic diagram of the connection between the bottom lifting jack, the sliding seat, the sliding frame and the bidirectional deviation adjusting jack in the utility model;
FIG. 3 is a side view of the entirety of the present utility model;
wherein, 1 is the support body, 2 is the lifting jack, 3 is the slide, 4 is the balladeur train, 5 is two-way accent and inclines jack, 6 is the pulley yoke, 7 is the pulley, 8 is the guide rail.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail by combining the embodiments and the drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. The following describes the technical scheme of the present utility model in detail with reference to examples and drawings, but the scope of protection is not limited thereto.
As shown in fig. 1-3, the utility model provides a frame capable of automatically leveling and straightening for a self-moving tail of a heading face, wherein a plurality of frames are connected front and back to form the self-moving tail, and each frame comprises a frame body 1, a bottom lifting jack 2, a deflection adjusting mechanism, a pulley 7 assembly, a guide rail 8, a sliding frame 4 and a sliding seat 3.
Two bottom lifting jacks 2 are arranged at the front side of the lower end face of the frame body 1, and the two bottom lifting jacks 2 are symmetrically arranged left and right. The piston rod of each bottom lifting jack 2 is vertically downwards arranged, and the end part of the piston rod of each bottom lifting jack 2 is provided with a sliding seat 3. The sliding seat 3 is of an L-shaped structure and comprises a vertical section and a horizontal section, the lower end of the vertical section is fixedly connected with one end of the outer side of the horizontal section, the upper end of the vertical section is hinged with the end part of a piston rod of the bottom lifting jack 2, and one ends of the inner sides of the horizontal sections of the two sliding seats 3 are oppositely arranged.
Two pulley 7 assemblies are arranged on the rear side of the lower end face of the frame body 1, and the two pulley 7 assemblies are symmetrically arranged left and right. The pulley 7 assembly comprises a pulley frame 6 and two pulleys 7, wherein the pulley frame 6 is of a square box body structure with open front and rear ends, the square box body structure is fixedly arranged on the lower end face of the frame body 1, and the two pulleys 7 respectively rotate on the front side and the rear side of the inside of the pulley frame 6. The lower end face of the pulley frame 6 is provided with an opening, the opening is communicated with the front end and the rear end of the pulley frame 6, and the width of the opening is smaller than the left width and the right width of the inside of the pulley frame 6.
The width between the two lifting jacks 2 is smaller than the width between the two pulley 7 assemblies.
Each pulley frame 6 is internally provided with a guide rail 8, the guide rails 8 are horizontally arranged front and back, the section of each guide rail 8 is of an I-shaped structure, the upper horizontal section of each guide rail 8 is positioned in the pulley frame 6, the middle vertical section of each guide rail 8 is positioned in an opening of the lower end face of the pulley frame 6, and the left wing and the right wing of the upper horizontal section of each guide rail 8 are positioned between the pulley 7 and the lower end face of the pulley frame 6.
A horizontal sliding frame 4 is arranged between the left sliding seat 3 and the right sliding seat 3, a bidirectional deviation adjusting jack 5 is arranged on the upper end face of the sliding frame 4, a cylinder body of the bidirectional deviation adjusting jack 5 is fixedly connected with the sliding frame 4, a piston rod on the left side of the bidirectional deviation adjusting jack 5 is horizontally left and hinged with one end of the inner side of the horizontal section of the left sliding seat 3, and a piston rod on the right side of the bidirectional deviation adjusting jack 5 is horizontally right and hinged with one end of the inner side of the horizontal section of the right sliding seat 3.
When a plurality of frames are connected front and back, the frame bodies of the front and back two adjacent frames are hinged with each other, and the end parts of the two guide rails of the front and back two adjacent frames are hinged with each other.
Inside one of the frames of the self-moving tail, the rear ends of the two guide rails are fixedly connected with each other through a horizontal connecting piece, a pushing jack is arranged between the connecting piece and the frame body, and the frame body and the guide rails are driven to move mutually through the expansion and contraction of the pushing jack.
The working principle of the utility model is as follows:
when the two-conveyor belt conveyor moves from one end of a track of the self-moving tail to the other end of the track of the self-moving tail along with the heading machine, a pump station of the self-moving tail is started, the piston rod of the bottom lifting jack 2 is controlled to retract through the operating valve of the self-moving device, the whole frame body 1 is at the highest position, the frame body 1 drives the pulley frame 6 and the guide rail 8 to be in a suspended state, the sliding frame 4 is in contact with the ground, and the frame body 1 is supported through the sliding frame 4. Along with the retraction of the piston rods of the bottom lifting jacks 2 at the left side and the right side, the height of the frame body 1 gradually descends to drive the pulley yoke 6 and the guide rail 8 to descend, when the guide rail 8 contacts with the ground, the guide rail 8 does not descend any more, the pulley yoke 6 continues to descend, the left wing and the right wing of the horizontal section at the upper end of the guide rail 8 are separated from the lower end face of the pulley yoke 6 until the upper end face of the guide rail 8 contacts with the pulley 7, and the pulley yoke 6 and the frame body 1 cannot continue to descend. Along with the continuous shrinkage of the piston rod of the bottom lifting jack 2, the bottom lifting jack 2 drives the sliding frame 4 to ascend, and when the piston rod of the bottom lifting jack 2 is shrunk in place, the sliding frame 4 is in a suspended state.
The piston rod of the pushing jack is controlled to extend through the operating valve, and the guide rail 8 is contacted with the ground so as not to move, and the pushing jack drives the pulley 7 on the pulley frame 6 to roll on the guide rail 8, so that the frame body 1 is driven to move forwards integrally.
When the frame body 1 moves forwards, the operating valve controls the piston rod of the bottom lifting jack 2 to extend, the sliding frame 4 moves downwards to be in contact with the ground, the frame body 1 starts to rise along with the continuous extending of the piston rod of the bottom lifting jack 2, the pulley frame 6 synchronously rises along with the frame body 1, and at the moment, the pulley 7 is separated from contact with the upper end face of the guide rail 8. Along with the continuous rising of the pulley frame 6, the lower end surface of the pulley frame 6 is contacted with the lower end surfaces of the two wings of the horizontal section at the upper end of the guide rail 8, the lower end surface of the pulley frame 6 drives the guide rail 8 to rise, and the guide rail 8 is separated from the ground. Along with the extension of the piston rod of the bottom lifting jack 2, the frame body 1 is at the highest position, and the guide rail 8 is in a suspended state.
The piston rod of the pushing jack is controlled to shrink through the operating valve, and the sliding frame 4 is in contact with the ground, the guide rail 8 is in a suspended state, and the pushing jack drives the guide rail 8 to move forwards, so that the operation of moving forwards by one step distance is completed from the tail of the machine.
And repeating the operation to enable the two-conveyor belt to travel to the other end of the track of the self-moving tail, thereby completing the self-moving process of the self-moving tail for the belt conveyor.
The intelligent control monitoring system can monitor and regulate the relative position, the gesture and the running track of the self-moving tail of the tunneling surface and the belt conveyor, when the belt conveyor deflects in the running process, the intelligent control monitoring system carries out feedback adjustment on the bottom lifting jack 2 or the bidirectional deviation adjusting jack 5 with the deflection frame, so that the piston rod of the bottom lifting jack 2 or the bidirectional deviation adjusting jack 5 acts, and when the target value is reached, the adjustment is stopped, the sliding frame 4 is at a proper angle, the lower end face of the sliding frame 4 is guaranteed to be completely attached to the ground, and the automatic leveling and straightening function of the self-moving tail is realized.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A frame that is used for heading face to step by self-moving tail can make level certainly and look straight, a plurality of frames connect from beginning to end and form and step by self-moving tail, its characterized in that: each frame comprises a frame body (1), two lifting jacks (2) are symmetrically arranged on the front side and the right side of the lower end face of the frame body (1), and two pulley (7) assemblies are arranged on the rear side of the lower end face of the frame body (1); the piston rod of each bottom lifting jack (2) is vertically downwards arranged, a sliding seat (3) is hinged to the end part of the piston rod, a sliding frame (4) is arranged between the two sliding seats (3), a bidirectional deviation adjusting jack (5) is fixedly arranged on the upper end surface of the sliding frame (4), and the two piston rods of the bidirectional deviation adjusting jacks (5) face the sliding seats (3) on the same side respectively and are hinged to the sliding seats (3) on the same side; each pulley (7) component comprises a pulley frame (6), a front pulley (7) and a rear pulley (7) are rotatably connected in the pulley frame (6), an opening is formed in the lower end face of the pulley frame (6), and a guide rail (8) extends into the pulley frame (6) through the opening.
2. A machine frame for automatic leveling and straightening of a heading face stepping self-propelled tail according to claim 1, wherein: the sliding seat (3) is of an L-shaped structure and comprises a vertical section and a horizontal section, the lower end of the vertical section is fixedly connected with one end of the outer side of the horizontal section, the upper end of the vertical section is hinged with the end part of a piston rod of the bottom lifting jack (2), and one ends of the inner sides of the horizontal sections of the two sliding seats (3) are oppositely arranged.
3. A machine frame for automatic leveling and straightening of a heading face stepping self-propelled tail according to claim 1, wherein: the pulley frame (6) is of a square box body structure with the front end and the rear end open, and is fixedly arranged on the lower end face of the frame body (1).
4. A machine frame for automatic leveling and straightening of a heading face stepping self-propelled tail according to claim 3 and wherein: the opening at the lower end face of the pulley frame (6) is communicated with the front end and the rear end of the pulley frame (6), and the width of the opening is smaller than the left width and the right width of the inside of the pulley frame (6).
5. A machine frame for automatic leveling and straightening of a heading face stepping self-propelled tail according to claim 1, wherein: the width between the two lifting jacks (2) is smaller than the width between the two pulley (7) components.
6. A machine frame for automatic leveling and straightening of a heading face stepping self-propelled tail according to claim 1, wherein: the guide rail (8) is horizontally arranged front and back, the section of the guide rail (8) is of an I-shaped structure, the upper horizontal section of the guide rail (8) is positioned inside the pulley frame (6), the middle vertical section of the guide rail (8) is positioned inside the opening of the lower end face of the pulley frame (6), and the left wing and the right wing of the upper horizontal section of the guide rail (8) are positioned between the pulley (7) and the lower end face of the pulley frame (6).
7. A machine frame for automatic leveling and straightening of a heading face stepping self-propelled tail according to claim 2, wherein: the cylinder body of the bidirectional deviation adjusting jack (5) is fixedly connected with the sliding frame (4), a piston rod on the left side of the bidirectional deviation adjusting jack (5) is horizontally leftwards and hinged with one end of the inner side of the horizontal section of the sliding seat (3) on the left side, and a piston rod on the right side of the bidirectional deviation adjusting jack (5) is horizontally rightwards and hinged with one end of the inner side of the horizontal section of the sliding seat (3) on the right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321052799.XU CN220363910U (en) | 2023-05-05 | 2023-05-05 | Machine frame capable of automatically leveling and straightening for self-moving tail of heading face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321052799.XU CN220363910U (en) | 2023-05-05 | 2023-05-05 | Machine frame capable of automatically leveling and straightening for self-moving tail of heading face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220363910U true CN220363910U (en) | 2024-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321052799.XU Active CN220363910U (en) | 2023-05-05 | 2023-05-05 | Machine frame capable of automatically leveling and straightening for self-moving tail of heading face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220363910U (en) |
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2023
- 2023-05-05 CN CN202321052799.XU patent/CN220363910U/en active Active
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