CN113236314A - Colliery tunnelling supporting device with regulatory function - Google Patents
Colliery tunnelling supporting device with regulatory function Download PDFInfo
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- CN113236314A CN113236314A CN202110689717.1A CN202110689717A CN113236314A CN 113236314 A CN113236314 A CN 113236314A CN 202110689717 A CN202110689717 A CN 202110689717A CN 113236314 A CN113236314 A CN 113236314A
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- 230000009711 regulatory function Effects 0.000 title description 2
- 230000005641 tunneling Effects 0.000 claims abstract description 54
- 239000003245 coal Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000009412 basement excavation Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 description 12
- 230000006872 improvement Effects 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
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Abstract
The invention discloses a coal mine tunneling support device with an adjusting function, which comprises a bottom frame, wherein a connecting seat is arranged above the bottom frame, a lifting device is arranged between the bottom frame and the connecting seat and used for driving the connecting seat to vertically slide, a supporting frame is fixedly arranged on the upper end surface of the connecting seat, a support plate is in a semicircular shape and arranged at the top of the supporting frame, the support plate comprises side plates on two sides and a top plate on the top, the top plate is fixedly arranged at the top of the supporting frame, the side plates are hinged with the top plate, and the side plates are kept connected with the supporting frame through a first hydraulic cylinder, a second hydraulic cylinder and a third hydraulic cylinder. The supporting device is reasonable in design, the underframe is fixed on the ground, the lifting device adjusts the height of the supporting plate to enable the supporting plate to be abutted against the top of a coal mine roadway, and the side plates on the two sides of the supporting plate can be contracted and expanded, so that the supporting device can be conveniently adjusted according to the width of the roadway, and the adjustability of the whole device is improved.
Description
Technical Field
The invention relates to the technical field of coal mine tunneling support, in particular to a coal mine tunneling support device with an adjusting function.
Background
Coal mines, which are reasonable spaces excavated by humans when excavating geological formations rich in coal, generally include tunnels, wells, excavation faces and the like, coal, which is one of the most important solid fuels, is a combustible organic rock, which is formed by natural coalification of large and luxurious plants growing in certain geological times, gradually piling up into thick layers in a suitable geological environment, burying the thick layers in water bottoms or silt, and having a carbon content of generally forty-six to ninety-seven percent, being brown to black, having dull to metallic luster, and involving the use of a coal mine excavation device when excavating the coal mines.
The invention application of application number CN201410345170.3 discloses a coal mine tunneling support device which is integrally of a door-type structure and comprises a main support, a support platform, a water detection drilling machine, an automatic net laying device and a hydraulic control system, wherein the main support can be divided into an odd-numbered support and an even-numbered support according to the installation sequence, the multiple groups of supports of the two types of supports are longitudinally arranged at intervals from a roadway tunneling working face to a tail of a belt transfer conveyor, and support longitudinal beams of the supports are arranged at the top of the support device and are transversely arranged at intervals; the supporting longitudinal beam of each bracket is hinged by the adjusting longitudinal beam, the adjusting longitudinal beam is of a telescopic structure, the respective supporting longitudinal beams of the two brackets are not influenced by each other, and when one bracket is moved, the adjacent brackets can be reliably supported by abutting against the top, so that the two brackets can be moved independently without mutual interference.
Application number CN 201821746722.1's utility model discloses a colliery tunnelling supporting device, including first U-shaped frame that falls, the front and back both ends of first U-shaped frame downside respectively with the left end fixed connection of two horizontal poles, the right-hand member of two horizontal poles respectively with the front and back both ends fixed connection of second U-shaped frame downside, the universal wheel is all installed at both ends about the horizontal pole lower surface, first U-shaped frame upper surface is fixed with three first jack along the fore-and-aft direction, the flexible end of three first jack passes through hinge rotation with the left end of three location arc lower surface respectively and is connected, second U-shaped frame upper surface is fixed with three second jack along the fore-and-aft direction.
Application number CN 202021678272.4's utility model provides a multi-functional colliery tunnelling supporting device of various regulation, it is including supporting support body and supporting mechanism, it includes roof and support column to support the support body, supporting mechanism includes integrated box, cylinder and supporting shoe, integrated box includes the ascending box body of opening and lid, the cylinder sets up in the box body, the cylinder is provided with a plurality ofly and follows the length direction of box body respectively, the equidistant array of two directions of width direction arranges, a plurality of cylinders closely set up, the supporting shoe is provided with a plurality ofly and arranges with the cylinder one-to-one, the supporting shoe is located the top of roof and with the flexible end fixed connection of cylinder, each cylinder can accept the air feed of air feeder and drive supporting shoe upward movement, the supporting shoe can the different height of self-adaptation rising according to the change of tunnel top shape.
With the increase of the demand of coal, the mining depth is increased or not reduced, the geological environment is degraded, with the increase of ground stress, the ground temperature is continuously increased, medium-frequency accidents occur during engineering, malignant accidents are increased, underground resources are mined smoothly, dangers and disasters are avoided, workers need to have the concept of mine production safety as the priority, in order to adapt to the production demand and the smooth operation of various works under the coal mine, a tunneling working face needs to be arranged frequently, temporary support equipment needs to be arranged on the tunneling working face to guarantee the construction safety, when the coal mine is tunneled, the coal mine tunneling support device is used, but most of the existing coal mine tunneling support devices are difficult to adjust, so that the normal use of the coal mine tunneling support device is influenced, and the use efficiency of the coal mine tunneling support device is reduced, thereby also reducing the work efficiency of the coal mine tunneling and supporting device.
Disclosure of Invention
Therefore, in order to solve the defects, the invention provides an adjustable coal mine tunneling support device with high reliability; when implementing after the improvement, remove strutting arrangement in the mine cave, the chassis is fixed subaerial, through controller control elevating gear work, drive the vertical slip of connecting seat, the supporting plate vertical slip thereupon, until supporting plate upper surface and the contact of mine cave top, and first pneumatic cylinder, second pneumatic cylinder and the linkage of third pneumatic cylinder, it rotates around its axis with the roof articulated shaft to drive the curb plate, order about the curb plate towards the inboard shrink of roof or to the expansion of roof outside, be convenient for adjust according to the width at tunnel top, make the supporting plate all the time with mine cave top butt, the adjustability of whole device has been increased.
The invention is realized by constructing a coal mine tunneling support device with an adjusting function; the tunneling support device comprises a bottom frame;
the tunneling support device also comprises a connecting seat which is arranged above the underframe;
the tunneling support device also comprises a lifting device which is arranged between the underframe and the connecting seats and is used for driving the connecting seats to vertically slide;
the tunneling support device further comprises a support frame, and the support frame is fixedly arranged on the upper end face of the connecting seat;
the tunneling support device also comprises a support guard plate which is in a semicircular shape and is arranged at the top of the support frame; the supporting plate comprises side plates on two sides and a top plate at the top, the top plate is fixedly installed at the top of the supporting frame and hinged to the top plate, and the side plates are connected with the supporting frame through a first hydraulic cylinder, a second hydraulic cylinder and a third hydraulic cylinder.
As an improvement of the technical scheme, the coal mine tunneling support device with the adjusting function; the lifting device comprises a driving device, a fixed column and a movable column, the driving device and the fixed column are fixedly arranged at the top of the frame body, one end of the movable column is fixedly connected with the bottom of the connecting seat, the other end of the movable column is movably connected with the fixed column, and the driving device drives the movable column to vertically slide; the supporting plate has the advantages that the driving device drives the movable column to vertically slide, the supporting plate slides along with the movable column, the operation is simple, and the height of the supporting plate is convenient to adjust.
As an improvement of the technical scheme, the coal mine tunneling support device with the adjusting function; the output end of the driving device is provided with a first commutator, the bottom of the fixed column is provided with a second commutator, and the first commutator is connected with the second commutator and the second commutator are kept connected through connecting shafts; the effect of the mechanism is to convert the power direction through a plurality of commutators, thereby facilitating the installation and layout of each mechanism.
As an improvement of the technical scheme, the coal mine tunneling support device with the adjusting function; a lead screw is rotationally connected in the fixed column, the lead screw is connected with the output end of the second reverser, and the movable column is in threaded connection with the lead screw; the automatic locking device has the advantages that the driving device drives the screw rod to rotate, the movable column in threaded connection with the screw rod is driven to vertically slide, the self-locking performance is good, and the movement is stable.
As an improvement of the technical scheme, the coal mine tunneling support device with the adjusting function; a telescopic rod is arranged between the connecting seat and the underframe; the effect is that the telescopic link rises or descends along with the connecting seat, stability when having improved the regulation the device.
As an improvement of the technical scheme, the coal mine tunneling support device with the adjusting function; a telescopic frame is arranged between the connecting seat and the underframe; the device has the function of improving the stability of workers in adjusting the device and the safety of construction.
As an improvement of the technical scheme, the coal mine tunneling support device with the adjusting function; when the tunneling support device is implemented, the support device is moved into a mine hole, the underframe is fixed on the ground, the lifting device is controlled to work through the controller, the connecting seat is driven to vertically slide, the support plate vertically slides along with the support plate until the upper surface of the support plate is contacted with the top of the mine hole, the first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder are linked, the side plate is driven to rotate around the axis of the top plate hinged shaft, the side plate is driven to contract towards the inner side of the top plate or expand towards the outer side of the top plate, the adjustment is convenient according to the width of the top of a roadway, the support plate is enabled to be always abutted against the top of the mine hole, and the adjustability of the whole device is improved.
The invention has the following advantages: the invention provides a coal mine tunneling support device with an adjusting function through improvement, and the coal mine tunneling support device has the following improvements and advantages;
the invention relates to a tunneling support device, which comprises a chassis; the tunneling support device also comprises a connecting seat which is arranged above the underframe; the tunneling support device also comprises a lifting device which is arranged between the underframe and the connecting seats and is used for driving the connecting seats to vertically slide; the tunneling support device further comprises a support frame, and the support frame 7 is fixedly arranged on the upper end face of the connecting seat; the tunneling support device also comprises a support guard plate which is in a semicircular shape and is arranged at the top of the support frame; the supporting plate comprises side plates on two sides and a top plate at the top, the top plate is fixedly installed at the top of the supporting frame and hinged to the top plate, and the side plates are connected with the supporting frame through a first hydraulic cylinder, a second hydraulic cylinder and a third hydraulic cylinder.
The supporting device is moved into the mine hole, the underframe is fixed on the ground, the lifting device is controlled by the controller to work, the connecting seat is driven to vertically slide, the supporting plate vertically slides along with the connecting seat until the upper surface of the supporting plate is contacted with the top of the mine hole, the first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder are linked to drive the side plate to rotate around the axis of the hinged shaft of the side plate and the top plate, and the side plate is driven to contract towards the inner side of the top plate or expand towards the outer side of the top plate, so that the supporting plate is conveniently adjusted according to the width of the top of the roadway, is always abutted against the top of the mine hole, and the adjustability of the whole device is improved.
The supporting device is reasonable in design, the underframe is fixed on the ground, the lifting device adjusts the height of the supporting plate to enable the supporting plate to be abutted against the top of a coal mine roadway, and the side plates on the two sides of the supporting plate can be contracted and expanded, so that the supporting device can be conveniently adjusted according to the width of the roadway, and the adjustability of the whole device is improved.
2, the lifting device comprises a driving device, a fixed column and a movable column, wherein the driving device and the fixed column are fixedly arranged at the top of the frame body, one end of the movable column is fixedly connected with the bottom of the connecting seat, the other end of the movable column is movably connected with the fixed column, and the driving device drives the movable column to vertically slide.
The output end of the driving device is provided with a first commutator, the bottom of the fixed column is provided with a second commutator, the first commutator and the second commutator are connected through connecting shafts, and the purpose of the arrangement is that the driving device is convenient to install and arrange each mechanism by switching the power directions through a plurality of commutators.
The purpose of the arrangement is that the screw rod is driven to rotate by the driving device to drive the movable column in threaded connection with the screw rod to vertically slide, the self-locking performance is good, and the movement is stable.
5, the telescopic rod is arranged between the connecting seat and the underframe, and the telescopic rod is arranged to ascend or descend along with the connecting seat, so that the stability of the device during adjustment is improved.
6, the telescopic frame is arranged between the connecting seat and the underframe, so that the stability of workers in adjusting the device is improved, and the construction safety is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
FIG. 5 is a schematic structural view of the lifting device;
FIG. 6 is a front view of the lifting device;
fig. 7 is a sectional view taken along line B-B in fig. 6.
Wherein: 1. a chassis; 2. a first hydraulic cylinder; 3. a telescopic rod; 4. a connecting seat; 5. supporting the guard plate; 5-1, side plates; 5-2, a top plate; 6. a telescopic frame; 7. a support frame; 8. a lifting device; 8-1, a driving device; 8-2, a first commutator; 8-3, a connecting shaft; 8-4, a second commutator; 8-5, fixing; 8-6, movable columns; 8-7, a screw rod; 9. a second hydraulic cylinder; 10. and a third hydraulic cylinder.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a coal mine tunneling support device with an adjusting function through improvement, as shown in figures 1-7, which can be implemented as follows; the tunneling support device comprises an underframe 1;
the tunneling support device also comprises a connecting seat 4 which is arranged above the underframe 1;
the tunneling support device further comprises a lifting device 8 which is arranged between the underframe 1 and the connecting seats 4 and is used for driving the connecting seats 4 to vertically slide;
the tunneling support device further comprises a support frame 7, and the support frame 7 is fixedly arranged on the upper end face of the connecting seat 4;
the tunneling support device also comprises a support guard plate 5 which is in a semicircular shape and is arranged at the top of the support frame 7; the supporting and protecting plate 5 comprises side plates 5-1 on two sides and a top plate 5-1 on the top, the top plate 5-1 is fixedly mounted on the top of a supporting frame 7, the side plates 5-1 are hinged with the top plate 5-2, and the side plates 5-1 are kept connected with the supporting frame 7 through a first hydraulic cylinder 2, a second hydraulic cylinder 9 and a third hydraulic cylinder 10.
During implementation, the supporting device is moved into a mine hole, the underframe 1 is fixed on the ground, the lifting device 8 is controlled by the controller to work, the connecting seat 4 is driven to vertically slide, the supporting plate 5 vertically slides along with the supporting plate until the upper surface of the supporting plate 5 is contacted with the top of the mine hole, the first hydraulic cylinder 2, the second hydraulic cylinder 9 and the third hydraulic cylinder 10 are linked to drive the side plate 5-1 to rotate around the axis of a hinged shaft of the side plate and the top plate 5-2, and the side plate 5-1 is driven to contract towards the inner side of the top plate 5-2 or expand towards the outer side of the top plate 5-2, so that adjustment is conveniently carried out according to the width of the top of a roadway, the supporting plate 5 is always abutted to the top of the mine hole, and the adjustability of the whole device is improved.
The supporting device is reasonable in design, the underframe is fixed on the ground, the lifting device adjusts the height of the supporting plate to enable the supporting plate to be abutted against the top of a coal mine roadway, and the side plates on the two sides of the supporting plate can be contracted and expanded, so that the supporting device can be conveniently adjusted according to the width of the roadway, and the adjustability of the whole device is improved.
The invention is embodied as shown in fig. 5-6; the lifting device 8 comprises a driving device 8-1, a fixed column 8-5 and a movable column 8-6, the driving device 8-1 and the fixed column 8-5 are fixedly installed at the top of the frame body 1, one end of the movable column 8-6 is fixedly connected with the bottom of the connecting seat 4, the other end of the movable column 8-6 is movably connected with the fixed column 8-5, the driving device 8-1 drives the movable column 8-6 to vertically slide, the purpose of the arrangement is that the driving device 8-1 drives the movable column 8-6 to vertically slide, and the supporting plate 5 slides along with the movable column, so that the operation is simple, and the height of the supporting plate 5 can be adjusted conveniently.
The invention is embodied as shown in fig. 5-6; the output end of the driving device 8-1 is provided with a first reverser 8-2, the bottom of the fixed column 8-5 is provided with a second reverser 8-4, the first reverser 8-2 and the second reverser 8-4 are connected with each other through a connecting shaft 8-3, and the arrangement aims to facilitate the installation and layout of each mechanism through the conversion of the plurality of reversers to the power direction.
The invention is embodied as shown in FIG. 7; the screw rod 8-7 is rotationally connected with the fixed column 8-5, the screw rod 8-7 is connected with the output end of the second reverser 8-4, the movable column 8-6 is in threaded connection with the screw rod 8-7, and the purpose of the arrangement is that the screw rod 8-7 is driven to rotate by the driving device 8-1 to drive the movable column 8-6 in threaded connection with the screw rod to vertically slide, so that the self-locking performance is good, and the movement is stable.
In the implementation of the invention, as shown in fig. 2-4, a telescopic rod 3 is arranged between the connecting seat 4 and the underframe 1, and the purpose of the arrangement is that the telescopic rod 3 ascends or descends along with the connecting seat 4, so that the stability of the device during adjustment is improved.
In the implementation of the invention, as shown in fig. 2-4, a telescopic frame 6 is arranged between the connecting seat 4 and the underframe 1, and the arrangement aims to improve the stability of workers when adjusting the device and improve the safety of construction.
The invention provides a coal mine tunneling support device with an adjusting function through improvement, and the coal mine tunneling support device has the following improvements and advantages;
the invention relates to a tunneling support device, which comprises an underframe 1; the tunneling support device also comprises a connecting seat 4 which is arranged above the underframe 1; the tunneling support device further comprises a lifting device 8 which is arranged between the underframe 1 and the connecting seats 4 and is used for driving the connecting seats 4 to vertically slide; the tunneling support device further comprises a support frame 7, and the support frame 7 is fixedly arranged on the upper end face of the connecting seat 4; the tunneling support device also comprises a support guard plate 5 which is in a semicircular shape and is arranged at the top of the support frame 7; the supporting and protecting plate 5 comprises side plates 5-1 on two sides and a top plate 5-1 on the top, the top plate 5-1 is fixedly mounted on the top of a supporting frame 7, the side plates 5-1 are hinged with the top plate 5-2, and the side plates 5-1 are kept connected with the supporting frame 7 through a first hydraulic cylinder 2, a second hydraulic cylinder 9 and a third hydraulic cylinder 10.
The implementation process of the invention is that the supporting device is moved into the mine hole, the underframe 1 is fixed on the ground, the lifting device 8 is controlled by the controller to work, the connecting seat 4 is driven to vertically slide, the supporting plate 5 vertically slides along with the vertical sliding until the upper surface of the supporting plate 5 is contacted with the top of the mine hole, and the first hydraulic cylinder 2, the second hydraulic cylinder 9 and the third hydraulic cylinder 10 are linked to drive the side plate 5-1 to rotate around the axis of the hinged shaft of the side plate 5-1 and the top plate 5-2, so that the side plate 5-1 is driven to contract towards the inner side of the top plate 5-2 or expand towards the outer side of the top plate 5-2, the adjustment is conveniently carried out according to the width of the top of the roadway, the supporting plate 5 is always abutted against the top of the mine hole, and the adjustability of the whole device is increased.
The supporting device is reasonable in design, the underframe is fixed on the ground, the lifting device adjusts the height of the supporting plate to enable the supporting plate to be abutted against the top of a coal mine roadway, and the side plates on the two sides of the supporting plate can be contracted and expanded, so that the supporting device can be conveniently adjusted according to the width of the roadway, and the adjustability of the whole device is improved.
2, the invention is embodied as shown in fig. 5-6; the lifting device 8 comprises a driving device 8-1, a fixed column 8-5 and a movable column 8-6, the driving device 8-1 and the fixed column 8-5 are fixedly installed at the top of the frame body 1, one end of the movable column 8-6 is fixedly connected with the bottom of the connecting seat 4, the other end of the movable column 8-6 is movably connected with the fixed column 8-5, the driving device 8-1 drives the movable column 8-6 to vertically slide, the purpose of the arrangement is that the driving device 8-1 drives the movable column 8-6 to vertically slide, and the supporting plate 5 slides along with the movable column, so that the operation is simple, and the height of the supporting plate 5 can be adjusted conveniently.
3, the invention is embodied as shown in fig. 5-6; the output end of the driving device 8-1 is provided with a first reverser 8-2, the bottom of the fixed column 8-5 is provided with a second reverser 8-4, the first reverser 8-2 and the second reverser 8-4 are connected with each other through a connecting shaft 8-3, and the arrangement aims to facilitate the installation and layout of each mechanism through the conversion of the plurality of reversers to the power direction.
FIG. 4, in the practice of the invention, is shown in FIG. 7; the screw rod 8-7 is rotationally connected with the fixed column 8-5, the screw rod 8-7 is connected with the output end of the second reverser 8-4, the movable column 8-6 is in threaded connection with the screw rod 8-7, and the purpose of the arrangement is that the screw rod 8-7 is driven to rotate by the driving device 8-1 to drive the movable column 8-6 in threaded connection with the screw rod to vertically slide, so that the self-locking performance is good, and the movement is stable.
And 5, as shown in fig. 2-4, when the invention is implemented, the telescopic rod 3 is arranged between the connecting seat 4 and the underframe 1, and the purpose of the arrangement is that the telescopic rod 3 ascends or descends along with the connecting seat 4, so that the stability of the device during adjustment is improved.
According to the invention, as shown in fig. 2-4, the telescopic frame 6 is arranged between the connecting seat 4 and the underframe 1, and the arrangement aims to improve the stability of workers when adjusting the device and improve the safety of construction.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A coal mine tunneling support device with an adjusting function is characterized in that the coal mine tunneling support device is provided with a support frame; the tunneling support device comprises a chassis (1);
the tunneling support device also comprises a connecting seat (4) which is arranged above the underframe (1);
the tunneling support device further comprises a lifting device (8) which is arranged between the underframe (1) and the connecting seats (4) and is used for driving the connecting seats (4) to vertically slide;
the tunneling support device further comprises a support frame (7), and the support frame (7) is fixedly arranged on the upper end face of the connecting seat (4);
the tunneling support device also comprises a support guard plate (5) which is in a semicircular shape and is arranged at the top of the support frame (7); the supporting and protecting plate (5) comprises side plates (5-1) on two sides and a top plate (5-1) on the top, the top plate (5-1) is fixedly mounted on the top of the supporting frame (7), the side plates (5-1) are hinged to the top plate (5-2), and the side plates (5-1) are connected with the supporting frame (7) through a first hydraulic cylinder (2), a second hydraulic cylinder (9) and a third hydraulic cylinder (10).
2. A coal mine excavation supporting device with an adjusting function according to claim 1, wherein; the lifting device (8) comprises a driving device (8-1), a fixed column (8-5) and a movable column (8-6), the driving device (8-1) and the fixed column (8-5) are fixedly mounted at the top of the frame body (1), one end of the movable column (8-6) is fixedly connected with the bottom of the connecting seat (4), the other end of the movable column is movably connected with the fixed column (8-5), and the driving device (8-1) drives the movable column (8-6) to vertically slide; the vertical sliding type supporting and protecting device has the advantages that the driving device (8-1) drives the movable column (8-6) to vertically slide, the supporting and protecting plate (5) slides along with the movable column, the operation is simple, and the height of the supporting and protecting plate (5) is convenient to adjust.
3. A coal mine excavation supporting device with an adjusting function according to claim 2, wherein; a first reverser (8-2) is installed at the output end of the driving device (8-1), a second reverser (8-4) is arranged at the bottom of the fixed column (8-5), and the first reverser (8-2) is connected with the second reverser (8-4) and the second reverser (8-4) through connecting shafts (8-3); the effect of the mechanism is to convert the power direction through a plurality of commutators, thereby facilitating the installation and layout of each mechanism.
4. A coal mine excavation supporting device with an adjusting function according to claim 3, wherein; a screw rod (8-7) is rotatably connected in the fixed column (8-5), the screw rod (8-7) is connected with the output end of the second reverser (8-4), and the movable column (8-6) is in threaded connection with the screw rod (8-7); the automatic locking device has the advantages that the driving device (8-1) drives the screw rod (8-7) to rotate, the movable column (8-6) in threaded connection with the screw rod is driven to vertically slide, the self-locking performance is good, and the movement is stable.
5. A coal mine excavation supporting device with an adjusting function according to claim 1, wherein; a telescopic rod (3) is arranged between the connecting seat (4) and the bottom frame (1); the function is to enable the telescopic rod (3) to ascend or descend along with the connecting seat (4), and the stability of the device during adjustment is improved.
6. A coal mine excavation supporting device with an adjusting function according to claim 1 or 5, wherein; a telescopic frame (6) is arranged between the connecting seat (4) and the bottom frame (1); the device has the function of improving the stability of workers in adjusting the device and the safety of construction.
7. A coal mine excavation supporting device with an adjusting function according to claim 1, wherein; when the tunneling support device is implemented, the support device is moved into a mine hole, the underframe (1) is fixed on the ground, the lifting device (8) is controlled by the controller to work, the connecting seat (4) is driven to vertically slide, the supporting plate (5) vertically slides along with the connecting seat until the upper surface of the supporting plate (5) is contacted with the top of the mine hole, the first hydraulic cylinder (2), the second hydraulic cylinder (9) and the third hydraulic cylinder (10) are linked to drive the side plate (5-1) to rotate around the axis of the hinged shaft of the side plate and the top plate (5-2), the side plate (5-1) is driven to contract towards the inner side of the top plate (5-2) or expand towards the outer side of the top plate (5-2), adjustment is facilitated according to the width of the top of a roadway, the supporting plate (5) is always abutted to the top of the mine hole, and the adjustability of the whole device is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110689717.1A CN113236314A (en) | 2021-06-22 | 2021-06-22 | Colliery tunnelling supporting device with regulatory function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110689717.1A CN113236314A (en) | 2021-06-22 | 2021-06-22 | Colliery tunnelling supporting device with regulatory function |
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| Publication Number | Publication Date |
|---|---|
| CN113236314A true CN113236314A (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110689717.1A Withdrawn CN113236314A (en) | 2021-06-22 | 2021-06-22 | Colliery tunnelling supporting device with regulatory function |
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| Country | Link |
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| CN (1) | CN113236314A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638753A (en) * | 2021-08-16 | 2021-11-12 | 哈尔滨学院 | Supporting construction is used in civil engineering construction |
| CN114060077A (en) * | 2021-11-09 | 2022-02-18 | 济宁学院 | Quick supporting device for coal mine tunnel fault crossing |
-
2021
- 2021-06-22 CN CN202110689717.1A patent/CN113236314A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638753A (en) * | 2021-08-16 | 2021-11-12 | 哈尔滨学院 | Supporting construction is used in civil engineering construction |
| CN113638753B (en) * | 2021-08-16 | 2024-01-05 | 哈尔滨学院 | Supporting construction for civil engineering construction |
| CN114060077A (en) * | 2021-11-09 | 2022-02-18 | 济宁学院 | Quick supporting device for coal mine tunnel fault crossing |
| CN114060077B (en) * | 2021-11-09 | 2023-12-22 | 济宁学院 | Quick supporting device for coal mine tunnel fault |
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Application publication date: 20210810 |