CN218093099U - Positive four-bar linkage area two transition caving coal hydraulic support that move about side guard plate - Google Patents
Positive four-bar linkage area two transition caving coal hydraulic support that move about side guard plate Download PDFInfo
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- CN218093099U CN218093099U CN202222103673.2U CN202222103673U CN218093099U CN 218093099 U CN218093099 U CN 218093099U CN 202222103673 U CN202222103673 U CN 202222103673U CN 218093099 U CN218093099 U CN 218093099U
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Abstract
The application discloses two transition caving coal hydraulic support of activity side guard plate in positive four-bar linkage area, relate to caving coal hydraulic support technical field, the on-line screen storage device comprises a base, the inner wall fixed mounting of base has the stand, the top fixed mounting of stand has the back timber, one side of back timber articulates there is the front-axle beam structure, the contact position fixed mounting of back timber and front-axle beam structure has the front-axle beam jack, the bottom of back timber articulates there is the sloping, the inner wall of sloping articulates there is the front connecting rod, the one end of sloping articulates there is the back connecting rod, the interior diapire fixed mounting of base has the lapse jack, the top fixed mounting of base has the running-board, the one end that the front-axle beam structure was kept away from to the back timber articulates there is the shield roof beam, the one end of shield roof beam articulates there is the tail boom, the inner wall fixed mounting of tail boom has the picture peg jack, the output fixedly connected with picture peg of picture peg jack, the one end of picture peg articulates there is the waste rock blocking board. This application has realized providing the purpose in people space between the stand satisfying supporting requirement, enlarges front end pedestrian space, makes things convenient for the pedestrian to pass through.
Description
Technical Field
The application relates to the technical field of caving coal hydraulic supports, in particular to a transition caving coal hydraulic support with a four-bar linkage and a double-movable side guard plate.
Background
The hydraulic support for caving top coal is developed on the basis of the hydraulic support for common long-wall working face, and the functions of controlling basic items, maintaining direct jacking, self-moving and pushing conveyors are the same, but the functions of a top coal caving mechanism, support stress, head-discharge support, dust fall and other aspects are different.
In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, the general structural reverse four-bar linkage structure of the existing transition support is characterized in that all the connecting rods of the structure are positioned between the front and rear upright posts, so that pedestrians can not pass between the front and rear upright posts and can only bypass from the front end of the support, and due to the existence of the motor and the speed reducer of the front scraper conveyor at the front end and the size limitation of the three machines of equipment, the space size of the pedestrians at the front end is narrow, the pedestrians are time-consuming and labor-consuming, the matching requirements can be met, meanwhile, the pedestrians between the front and rear upright posts and the design of the transition support in the form of the positive four-bar linkage structure is difficult.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that the space limitation is large and pedestrians can not pass through conveniently, the application provides the transitional caving coal hydraulic support with the four positive connecting rods and the double movable side guard plates.
The application provides a transition caving coal hydraulic support of two movable side shields in positive four-bar linkage area adopts following technical scheme:
a transition caving coal hydraulic support with a four-bar positive connecting rod and a double-movable side guard plate comprises a base, wherein an upright post is fixedly mounted on the inner wall of the base, a top beam is fixedly mounted at the top end of the upright post, a front beam structure is hinged to one side of the top beam, a front beam jack is fixedly mounted at the contact position of the top beam and the front beam structure, an oblique beam is hinged to the bottom of the top beam, a front connecting rod is hinged to the inner wall of the oblique beam, a rear connecting rod is hinged to one end of the oblique beam, a pushing jack is fixedly mounted on the inner bottom wall of the base, and a pedal plate is fixedly mounted at the top of the base;
the back timber is kept away from the one end of front-bearer constructs articulates there is the shield roof beam, the one end of shield roof beam articulates there is the tail boom, the inner wall fixed mounting of tail boom has the picture peg jack, the output fixedly connected with picture peg jack, the one end of picture peg articulates there is the waste rock board that keeps off, the contact position fixed mounting of shield roof beam and tail boom has the tail boom jack.
Based on above-mentioned technical scheme, sloping, preceding connecting rod, back connecting rod and base constitute positive four-bar linkage, have strengthened the support and have resisted horizontal force and antitorque torsional ability, through having add the front-axle beam structure, cover the roof beam, the tail boom and keep off the waste rock board, enlarged the supporting scope of device, connect cargo airplane and draw frame through advancing the jack, when satisfying supporting requirement, realized providing the purpose in space of passing people between the stand, enlarge front end pedestrian space, make things convenient for the pedestrian to pass through.
Optionally, a side pushing jack is fixedly mounted on the inner wall of the top beam, a spring is fixedly mounted at one end of the side pushing jack, and a movable side plate is fixedly mounted at the other end of the side pushing jack.
Based on above-mentioned technical scheme, the activity curb plate leans on tightly with the back timber under the effect of spring, can protect the back timber well to usable side pushes away the jack cooperation and falls the action and adjust the frame.
Optionally, a telescopic jack is fixedly mounted on the inner wall of the front beam structure, a telescopic beam is fixedly mounted at the output end of the telescopic jack, a supporting plate is hinged to the inner wall of the telescopic beam, a side protection plate is hinged to the inner wall of the telescopic beam, and a side protection jack is fixedly mounted on the inner wall of the side protection plate.
Based on above-mentioned technical scheme, the effect that the front beam structure is convenient for play the reinforcing and supports, and flexible roof beam plays the effect of in time strutting, and the side board is protected in flexible roof beam front end installation, plays the effect of protection coal wall, and the condition that the minimize coal cinder dropped to splash and injures people.
Optionally, one end of the front connecting rod and one end of the rear connecting rod are fixedly connected with the top end of the base through a pin shaft, and the oblique beam, the front connecting rod, the rear connecting rod and the base form a four-bar linkage structure.
Based on the technical scheme, the horizontal force and torsion resistance of the support is enhanced, and the change range of the distance between the beam end of the front beam structure of the support and the coal wall is not too large.
Optionally, a coupling shaft is fixedly mounted on one side of the base, one end of the coupling shaft is fixedly connected with a pull-back sliding jack, an output end of the pull-back sliding jack is fixedly connected with a connector, and a circular chain is fixedly mounted on the inner wall of the connector.
Based on above-mentioned technical scheme, be convenient for be connected through ring chain and conveyer, be convenient for pass anterior conveyer and draw the frame.
Optionally, the bottom fixed mounting of picture peg jack has the waste rock blocking jack, the output of waste rock blocking jack passes through the one end fixed connection of round pin axle with the waste rock blocking board.
Based on above-mentioned technical scheme, be convenient for enlarge the range of strutting, do benefit to the cargo airplane that the protection rear end is connected, guarantee certain coal passing height.
Optionally, a shield beam jack is fixedly mounted at the top of the base, and an output end of the shield beam jack is fixedly connected with one end of the shield beam through a pin shaft.
Based on above-mentioned technical scheme, drive the luffing motion of tail boom through the shield roof beam, be convenient for protect the cargo airplane of rear end, do benefit to the protectiveness of reinforcing means.
In summary, the present application includes at least one of the following advantages:
1. this application sloping, preceding connecting rod, back connecting rod and base constitute positive four-bar linkage, the horizontal force of the support resistance and antitorque commentaries on classics ability have been strengthened, through having add the front-axle beam structure, cover the roof beam, tail-boom and waste rock blocking plate, the range of strutting of device has been enlarged, through advancing the jack, draw back swift current jack and ring chain and connect the cargo airplane and draw the frame, when satisfying supporting requirement, the purpose that provides the space of passerby between the stand has been realized, enlarge front end pedestrian's space, make things convenient for the pedestrian to pass through.
2. This application is through the fore-beam structure that sets up, flexible jack, flexible roof beam, layer board, protect group's jack and protect group's board mutually supporting use, realizes taking the interim zero hour of flexible roof beam structure to strut the function, protects group's board and can overturn, and the contrast is in time strutted than broken coal-pushing or rock, plays the effect of preventing the rib as far as possible to the coal wall, has strengthened the flexibility of device.
3. This application is through the shield roof beam, the tail boom, the picture peg jack, the picture peg, keep off the waste board, keep off waste jack, tail boom jack and the use of mutually supporting of shield roof beam jack that set up, adds back timber, shield roof beam activity curb plate structure, and the adjacent frame of protection leaks the waste rock and leaks the effect of coal and corresponding accent frame, does benefit to the supporting scope that enlarges the shield roof beam, is convenient for protect rear end cargo airplane, guarantees certain coal passing height, has improved the protectiveness of device.
Drawings
FIG. 1 is a schematic front cross-sectional view of the present application as a whole;
FIG. 2 is a schematic front view of the present application as a whole;
FIG. 3 isbase:Sub>A schematic view of the structure of FIG. 2 of the present application at A-A;
FIG. 4 is a schematic view of the internal structure of the front beam structure of the present application;
fig. 5 is a schematic view of the connection structure of the pull-back jack and the base.
Description of reference numerals:
1. a base; 2. a column; 3. a top beam; 301. laterally pushing a jack; 302. a spring; 303. a movable side plate; 4. a front beam structure; 401. a telescopic jack; 402. a telescopic beam; 403. a pallet; 404. a side protection jack; 405. a side protection plate; 5. a front beam jack; 6. an oblique beam; 7. a front link; 8. a rear connecting rod; 9. pushing a jack; 10. a foot pedal; 11. a coupling shaft; 12. pulling and then sliding the jack; 13. a connector; 14. a circular chain; 15. covering the beam; 16. a tail boom; 17. a plate inserting jack; 18. inserting plates; 19. a waste rock blocking plate; 20. a gangue blocking jack; 21. a tail boom jack; 22. the beam-covering jack.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Referring to the attached drawings of the specification, fig. 1-3, the application provides a positive four-bar transition caving coal hydraulic support with a double-movable side guard plate, which comprises a base 1, wherein an upright column 2 is fixedly installed on the inner wall of the base 1, a top beam 3 is fixedly installed at the top end of the upright column 2, a side pushing jack 301 is fixedly installed on the inner wall of the top beam 3, a spring 302 is fixedly installed at one end of the side pushing jack 301, a movable side plate 303 is fixedly installed at the other end of the side pushing jack 301, the movable side plate 303 is tightly leaned against the top beam 3 under the action of the spring 302, the top beam 3 can be well protected, and the side pushing jack 301 can be used for adjusting the support by matching with the support descending action.
Referring to fig. 1 and 4 of the attached drawings of the specification, a front beam structure 4 is hinged to one side of a top beam 3, a telescopic jack 401 is fixedly mounted on the inner wall of the front beam structure 4, a telescopic beam 402 is fixedly mounted at the output end of the telescopic jack 401, a supporting plate 403 is hinged to the inner wall of the telescopic beam 402, a side protection plate 405 is hinged to the inner wall of the telescopic beam 402, a side protection jack 404 is fixedly mounted on the inner wall of the side protection plate 405, the front beam structure 4 is convenient to play a role of reinforcing and supporting, the telescopic beam 402 plays a role of supporting in time, and the side protection plate 405 is mounted at the front end of the telescopic beam 402 to play a role of protecting a coal wall and reduce the situation that a coal block falls and splashes to hurt a person as much as possible.
Referring to the attached drawings of the specification, fig. 1 and 2, a front beam jack 5 is fixedly installed at the contact position of a top beam 3 and a front beam structure 4, an oblique beam 6 is hinged to the bottom of the top beam 3, a front connecting rod 7 is hinged to the inner wall of the oblique beam 6, a rear connecting rod 8 is hinged to one end of the oblique beam 6, one end of the front connecting rod 7 and one end of the rear connecting rod 8 are fixedly connected with the top end of a base 1 through a pin shaft, the oblique beam 6, the front connecting rod 7, the rear connecting rod 8 and the base 1 form a four-bar structure, the horizontal force resistance and torsion resistance of a support are enhanced, and the change range of the distance between the beam end of the front beam structure 4 and a coal wall of the support is not too large.
Referring to fig. 1 and 5 of the attached drawings of the specification, a pushing jack 9 is fixedly installed on an inner bottom wall of a base 1, a pedal plate 10 is fixedly installed on the top of the base 1, a connecting shaft 11 is fixedly installed on one side of the base 1, a pulling backward sliding jack 12 is fixedly connected to one end of the connecting shaft 11, a connector 13 is fixedly connected to an output end of the pulling backward sliding jack 12, a circular ring chain 14 is fixedly installed on an inner wall of the connector 13, the connection with a conveyor through the circular ring chain 14 is facilitated, and the pushing of a front conveyor and a pulling frame are facilitated.
Referring to the attached drawings of the specification, fig. 1 and 2, one end of the top beam 3, which is far away from the front beam structure 4, is hinged with a shield beam 15, one end of the shield beam 15 is hinged with a tail beam 16, a shield beam jack 22 is fixedly installed at the top of the base 1, the output end of the shield beam jack 22 is fixedly connected with one end of the shield beam 15 through a pin shaft, and the shield beam 15 drives the tail beam 16 to swing up and down, so that a conveyor at the rear end is protected conveniently, and the protection performance of the device is enhanced.
Referring to the attached drawings of the specification, fig. 1 and 2, an inserting plate jack 17 is fixedly installed on the inner wall of a tail beam 16, an inserting plate 18 is fixedly connected to the output end of the inserting plate jack 17, a waste rock blocking plate 19 is hinged to one end of the inserting plate 18, a waste rock blocking jack 20 is fixedly installed at the bottom of the inserting plate jack 17, and the output end of the waste rock blocking jack 20 is fixedly connected with one end of the waste rock blocking plate 19 through a pin shaft, so that the supporting range is conveniently expanded, a conveyor connected at the rear end is protected, and a certain coal passing height is ensured. The contact position of the shield beam 15 and the tail beam 16 is fixedly provided with a tail beam jack 21.
The working principle is as follows:
the output end of a pushing jack 9 is connected with a conveyor and a pulling frame through a circular ring chain 14, the front-end conveyor and the rear-end conveyor are pushed through the pushing jack 9 and a rear-end sliding jack 12, the conveyor is protected and supported through a front beam structure 4, a shielding beam 15, a tail beam 16 and a waste rock blocking plate 19, a telescopic beam 402 is driven by a telescopic jack 401 to be adjusted and supported, a side wall protecting jack 404 drives a side wall protecting plate 405 to play a role in temporary support and protection of a coal wall, a front connecting rod 7 and a rear connecting rod 8 are respectively hinged with an inclined beam 6 and a base 1 to form a four-link mechanism, the flat force and torsion resistance of the support are enhanced, the range of distance between the beam end of the front beam structure 4 and the coal wall of the support is not too large, the matching requirement is met, the purpose of passing space between stand columns is achieved, pedestrians can pass through a pedal 10, the front-end space is enlarged, the pedestrians can pass through the front-end space is facilitated, meanwhile, the tail beam 15 and the tail beam 16 are driven by the jack 17 to swing up and down, the plug board adjusting device is driven by a plug board, the telescopic protection device, and the protection device is beneficial to enlarge the protection range of the protection device.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a transition caving coal hydraulic support of two movable side guards in positive four-bar linkage area, includes base (1), its characterized in that: the inner wall of the base (1) is fixedly provided with an upright post (2), the top end of the upright post (2) is fixedly provided with a top beam (3), one side of the top beam (3) is hinged with a front beam structure (4), the contact position of the top beam (3) and the front beam structure (4) is fixedly provided with a front beam jack (5), the bottom of the top beam (3) is hinged with an oblique beam (6), the inner wall of the oblique beam (6) is hinged with a front connecting rod (7), one end of the oblique beam (6) is hinged with a rear connecting rod (8), the inner bottom wall of the base (1) is fixedly provided with a pushing jack (9), and the top of the base (1) is fixedly provided with a pedal (10);
roof beam (3) are kept away from the one end of front beam structure (4) articulates there is shield roof beam (15), the one end of shield roof beam (15) articulates there is tail boom (16), the inner wall fixed mounting of tail boom (16) has picture peg jack (17), the output fixedly connected with picture peg (18) of picture peg jack (17), the one end of picture peg (18) articulates there is fender waste rock board (19), the contact position fixed mounting of shield roof beam (15) and tail boom (16) has tail boom jack (21).
2. The transition caving coal hydraulic support with the positive four-bar linkage and the double movable side guard plates as claimed in claim 1, is characterized in that: the inner wall fixed mounting of back timber (3) has side and pushes away jack (301), the one end fixed mounting of side and pushing away jack (301) has spring (302), the other end fixed mounting of side and pushing away jack (301) has movable curb plate (303).
3. The transition caving coal hydraulic support with the positive four-bar linkage and the double movable side guard plates as claimed in claim 1, is characterized in that: the inner wall of the front beam structure (4) is fixedly provided with a telescopic jack (401), the output end of the telescopic jack (401) is fixedly provided with a telescopic beam (402), the inner wall of the telescopic beam (402) is hinged with a supporting plate (403), the inner wall of the telescopic beam (402) is hinged with a side protection plate (405), and the inner wall of the side protection plate (405) is fixedly provided with a side protection jack (404).
4. The positive four-bar linkage hydraulic support for transitional caving coal with double movable side guard plates according to claim 1, which is characterized in that: one end of the front connecting rod (7) and one end of the rear connecting rod (8) are fixedly connected with the top end of the base (1) through a pin shaft, and the oblique beam (6), the front connecting rod (7), the rear connecting rod (8) and the base (1) form a four-bar structure.
5. The positive four-bar linkage hydraulic support for transitional caving coal with double movable side guard plates according to claim 1, which is characterized in that: a connecting shaft (11) is fixedly mounted on one side of the base (1), a pull backward sliding jack (12) is fixedly connected to one end of the connecting shaft (11), a connector (13) is fixedly connected to the output end of the pull backward sliding jack (12), and a circular ring chain (14) is fixedly mounted on the inner wall of the connector (13).
6. The positive four-bar linkage hydraulic support for transitional caving coal with double movable side guard plates according to claim 1, which is characterized in that: the bottom fixed mounting of picture peg jack (17) has waste rock blocking jack (20), the output of waste rock blocking jack (20) is through the one end fixed connection of round pin axle with waste rock blocking plate (19).
7. The positive four-bar linkage hydraulic support for transitional caving coal with double movable side guard plates according to claim 1, which is characterized in that: the top of the base (1) is fixedly provided with a beam covering jack (22), and the output end of the beam covering jack (22) is fixedly connected with one end of a covering beam (15) through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222103673.2U CN218093099U (en) | 2022-08-10 | 2022-08-10 | Positive four-bar linkage area two transition caving coal hydraulic support that move about side guard plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222103673.2U CN218093099U (en) | 2022-08-10 | 2022-08-10 | Positive four-bar linkage area two transition caving coal hydraulic support that move about side guard plate |
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| CN218093099U true CN218093099U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222103673.2U Active CN218093099U (en) | 2022-08-10 | 2022-08-10 | Positive four-bar linkage area two transition caving coal hydraulic support that move about side guard plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116066165A (en) * | 2023-03-15 | 2023-05-05 | 山西和信基业科技股份有限公司 | Automatic hydraulic support for underground opening |
-
2022
- 2022-08-10 CN CN202222103673.2U patent/CN218093099U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116066165A (en) * | 2023-03-15 | 2023-05-05 | 山西和信基业科技股份有限公司 | Automatic hydraulic support for underground opening |
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