CN114991773A - Loop chain transmission device for shaft boring machine - Google Patents
Loop chain transmission device for shaft boring machine Download PDFInfo
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- CN114991773A CN114991773A CN202210782094.7A CN202210782094A CN114991773A CN 114991773 A CN114991773 A CN 114991773A CN 202210782094 A CN202210782094 A CN 202210782094A CN 114991773 A CN114991773 A CN 114991773A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 80
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 239000003638 chemical reducing agent Substances 0.000 claims description 37
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000004062 sedimentation Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
- E21D1/06—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with shaft-boring cutters
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Geochemistry & Mineralogy (AREA)
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- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention relates to the field of shaft construction equipment, in particular to a loop chain transmission device for a shaft development machine, which comprises a pipeline transmission frame body, a loop chain transmission device positioned above the pipeline transmission frame body, a supporting component positioned below the loop chain transmission device and fixedly arranged above the pipeline transmission frame body, and a detection unit fixedly arranged on one side of the supporting component, wherein the loop chain transmission device and the detection unit can be intensively fixed above the supporting component for working through the supporting component, so that the space of an external platform can be saved, the phenomenon that the safety is difficult to ensure because the pipeline transmission frame body is too large is reduced, when the loop chain transmission device carries out loop chain transmission, the detection unit measures the rotating speed of the loop chain transmission device, and deduces the transmission length of the loop chain transmission device to the loop chain through signal feedback, and controls the working state of the loop chain transmission device, thereby ensuring that the heading machine can settle with proper pipeline length.
Description
Technical Field
The invention relates to the field of shaft construction equipment, in particular to a chain transmission device for a shaft heading machine.
Background
At present, shaft heading machines are increasingly used in shaft projects in China, and a sedimentation type shaft heading machine belongs to one of emerging shaft heading equipment, and has the characteristics of simple construction, short period, high safety factor and the like compared with the traditional shaft heading equipment;
the sinking type vertical shaft heading machine is provided with various electric and hydraulic systems, is constructed in a well for a long time, is generally communicated with electric and hydraulic equipment on the ground through a pipeline, and is usually hoisted through a loop chain, and the output length of the loop chain is accurately transmitted through a loop chain transmission device, so that the hoisted pipeline can sink towards the inside of the well synchronously along with the heading machine in a stepping manner;
however, the pipeline filled with the medium is heavy, redundant and various, and the sinking speed of the heading machine is low, so that the torque output by the endless chain transmission device is high, and the speed is low, so that a large speed reducer with a high transmission ratio is required to complete the transmission work of the endless chain, and in most cases, the endless chain transmission device is positioned at a high altitude of more than ten meters, and the maintenance space is reserved, so that the large speed reducer occupies a large amount of space, the pipeline conveying frame is too large, and potential safety hazards exist.
Disclosure of Invention
The technical problem to be improved by the invention is as follows: the pipeline filled with the medium is heavy in mass, complicated and various, and the sinking speed of the heading machine is low, so that the torque output by the endless chain transmission device is large, and the speed is low, therefore, a large speed reducer with a large transmission ratio is required to complete the transmission work of the endless chain, and the endless chain transmission device is positioned at a high altitude of more than ten meters under most conditions, and the maintenance space is reserved, so that the large speed reducer occupies a large amount of space, the pipeline conveying frame is too large, and potential safety hazards exist.
The invention provides a loop chain transmission device for a shaft boring machine, which comprises a pipeline conveying frame body and also comprises:
the chain transmission device is positioned above the pipeline conveying frame body and is used for transmitting a chain;
the supporting assembly is positioned below the ring chain transmission device, is arranged above the pipeline conveying frame body and is used for supporting and fixing the ring chain transmission device;
and the detection unit is arranged on one side of the support component and is used for monitoring the pipeline conveying distance and controlling the working state of the endless chain transmission device.
Preferably, the support assembly comprises:
the bottom plate is arranged on the upper surface of the pipeline conveying frame body;
the first supporting piece is installed at one end of the upper surface of the bottom plate, the middle position of the upper end of the first supporting piece is a first semicircular surface, a first annular through hole is formed in the center of the first semicircular surface, and an unthreaded hole is formed in the side wall of the first semicircular surface; two sides of the upper end of the first supporting piece are rectangular surfaces;
the second supporting piece is arranged at the other end of the upper surface of the bottom plate;
the supporting plates are positioned between the first supporting piece and the second supporting piece and are fixedly connected with the first supporting piece, the second supporting piece and the bottom plate;
the pressure seat is located first support piece top and bottom both sides and all is connected with the rectangular surface, press the seat central point to put and set up to No. two semicircular faces, No. two semicircular face central point puts and has seted up No. two annular through-holes, No. two semicircular faces and the same and the unthreaded hole has been seted up to a semicircular face diameter.
Preferably, the endless chain transmission device includes:
the shell rotating speed reducer is positioned on one side of the first supporting piece, and the fixed ends are placed in the first annular through hole and the second annular through hole;
the first flange is fixedly arranged on the outer surface of the fixed end, and a threaded hole is formed in the surface of the first flange;
the second flange is fixedly arranged at the output end of the shell rotation speed reducer, and the surface of the second flange is provided with a unthreaded hole;
the rotating drum is positioned between the first supporting piece and the second supporting piece, the inner diameter of the rotating drum is larger than the outer diameter of the shell rotating speed reducer body, a third flange is installed on one side of the rotating drum close to the first supporting piece, and a fourth flange is installed on one side of the rotating drum close to the second supporting piece;
the first chain wheel is positioned between the first supporting piece and the third flange, and the surface of the first chain wheel is provided with a unthreaded hole;
and the second chain wheel is positioned between the second support piece and the fourth flange, and the surface of the second chain wheel is provided with a unthreaded hole.
Preferably, unthreaded holes are formed in the peripheries of the third flange and the fourth flange, and threaded holes are formed in the inner peripheries of the unthreaded holes and the fourth flange.
Preferably, the top end of the second support member is connected with an auxiliary support, and a third through hole is formed in the center of the auxiliary support; a bearing is arranged in the third through hole and is installed at the top end of the second supporting piece; an output shaft is rotatably connected inside the bearing, a fifth flange is installed at one end, far away from the bearing, of the output shaft, and a unthreaded hole is formed in the surface of the fifth flange.
Preferably, one side of the fixed end of the shell rotation speed reducer is connected with a power source.
Preferably, the outer circumferential surfaces of the first chain wheel and the second chain wheel are provided with grooves.
Preferably, the detection unit includes:
the encoder bracket is positioned on one side of the second supporting piece, the upper end of the encoder bracket is arranged on the auxiliary bracket, the lower end of the encoder bracket is arranged on the second supporting piece, and a circular hole is formed in the surface of the encoder bracket;
the encoder is installed on one side of the encoder bracket.
Preferably, the input shaft of the encoder passes through the circular hole and is fixedly connected with the output shaft.
Preferably, a protective cover is installed on one side of the encoder support, and the protective cover wraps the encoder inside.
The invention has the following beneficial effects:
1. the invention provides a loop chain transmission device for a shaft boring machine, which realizes large output torque of the loop chain transmission device through a first chain wheel and a second chain wheel, and meanwhile, a shell-rotating speed reducer is placed in a rotary drum, so that the external space occupied by the shell-rotating speed reducer is reduced, the high-altitude area of a pipeline conveying frame body is further reduced, and the safety is improved.
2. The invention provides a loop chain transmission device for a shaft boring machine, which is characterized in that an input shaft of a coder is fixedly connected with an output shaft, so that the coder can measure the rotating speed of the output shaft, then the transmission length of a first chain wheel and a second chain wheel to a loop chain is calculated through signal feedback, and the working state of a power source is controlled, so that the shaft boring machine has proper pipeline length for settlement.
3. The invention provides a loop chain transmission device for a shaft boring machine, which is characterized in that the gravity center of the loop chain transmission device is close to the inner sides of a first chain wheel and a second chain wheel, so that a pipeline conveying device is more stable and safer, and the loop chain transmission device is simple in structure and high in practicability.
4. The invention provides a loop chain transmission device for a shaft boring machine, which can realize the hoisting of pipelines by a loop chain through the loop chain transmission device, reduce the disordered arrangement of the pipelines on a platform and the winding phenomenon between the pipelines when the pipelines are hoisted by the loop chain, and further improve the stability and the safety of the pipelines during the transportation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a perspective view of the support assembly of the present invention;
FIG. 5 is a perspective view of the bowl of the present invention;
FIG. 6 is a flow chart of the present invention sprocket in operation;
in the figure: the pipeline conveying frame comprises a pipeline conveying frame body 1, a bottom plate 21, a first supporting piece 22, a first semicircular surface 221, a first annular through hole 222, a second supporting piece 23, a supporting plate 24, a pressing seat 25, a second semicircular surface 251, a second annular through hole 252, a shell rotation speed reducer 31, a fixed end 311, a first flange 32, a second flange 33, a rotating cylinder 34, a third flange 35, a fourth flange 36, a first chain wheel 37, a second chain wheel 38, an auxiliary support 41, a third through hole 411, a bearing 42, an output shaft 43, a fifth flange 44, a power source 5, an encoder support 61, a round hole 611, an encoder 62, an input shaft 621 and a protective cover 63.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that the terms "central", "longitudinal", "transverse", "upper", "lower", and "longitudinal", "transverse",
the directional or positional relationships "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are indicative of those directions or positional relationships illustrated in the drawings, merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be understood that the terms "mounted" and "phase" are used herein unless otherwise specifically defined or limited
The connection and the connection are to be understood in a broad sense, and for example, the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the drawings and the specific embodiments;
the invention provides a loop chain transmission device for a shaft boring machine, which comprises a pipeline conveying frame body 1 and further comprises:
the chain transmission device is positioned above the pipeline conveying frame body 1 and is used for transmitting a chain;
the supporting assembly is positioned below the ring chain transmission device, is fixedly arranged above the pipeline conveying frame body 1 and is used for supporting and fixing the ring chain transmission device;
the detection unit is fixedly arranged on one side of the support assembly and is used for monitoring the pipeline conveying distance and controlling the working state of the endless chain transmission device;
in most cases, when the pipeline conveying frame body 1 works, the height of the pipeline conveying frame body 1 is 15-20 meters relative to the ground, so that the supporting component is fixedly arranged above the pipeline conveying frame body 1, the supporting component can be used for supporting and fixing the loop chain transmission device, and the detection unit is fixedly arranged on one side of the supporting component, so that the loop chain transmission device and the detection unit can be intensively fixed above the supporting component for working, the space of an external platform can be saved, and the phenomenon that the safety is difficult to ensure because the pipeline conveying frame body 1 is too large is reduced;
when the loop chain transmission device carries out pipeline conveying, the detection unit measures the rotating speed of the loop chain transmission device at the moment, calculates the conveying length of the loop chain transmission device to the pipeline through signal feedback, and controls the working state of the loop chain transmission device, namely controls the loop chain transmission device to start working or stop working, so that the sinking of the heading machine has proper pipeline length;
in addition, the pipeline is guided and hung by the loop chain through the loop chain transmission device, and when the pipeline is hung and taken by the loop chain, the phenomenon that the pipeline is disorderly arranged on a platform and is wound between pipelines is reduced, so that the stability and the safety of the pipeline during conveying can be improved;
compare in current shaft entry driving machine:
firstly, the loop chain transmission device and the detection unit can be fixed above the support assembly in a centralized manner to work, so that the space of an external platform can be saved, and the phenomenon that the safety is not easy to guarantee because the pipeline conveying frame body 1 is too large is reduced;
secondly, the detecting unit is used for measuring and controlling the endless chain transmission device, so that the sinking of the heading machine has proper pipeline length;
thirdly, the guide conveying of the pipelines by using the endless chain transmission device reduces the phenomenon that the pipelines are disorderly arranged on the platform and are wound;
as an embodiment of the present invention, the support assembly includes: the bottom plate 21 is fixedly arranged on the upper surface of the pipeline conveying frame body 1; the first support member 22 is fixedly installed at one end of the upper surface of the bottom plate 21, the middle position of the upper end of the first support member 22 is provided with a first semicircular surface 221, the center position of the first semicircular surface 221 is provided with a first annular through hole 222, and the side wall of the first semicircular surface 221 is provided with a light hole; two sides of the upper end of the first supporting piece 22 are rectangular surfaces; the second supporting piece 23 is fixedly arranged at the other end of the upper surface of the bottom plate 21; the plurality of support plates 24 are positioned between the first support 22 and the second support 23, and are all fixedly connected with the first support 22, the second support 23 and the bottom plate 21; the pressing seat 25 is positioned above the first supporting piece 22, two sides of the bottom end of the pressing seat 25 are in threaded connection with the rectangular surface, the center of the pressing seat 25 is provided with a second semicircular surface 251, the center of the second semicircular surface 251 is provided with a second annular through hole 252, the diameters of the second semicircular surface 251 and the first semicircular surface 221 are the same, and the side wall of the second semicircular surface 251 is provided with a unthreaded hole;
as an embodiment of the present invention, the endless chain transmission device includes: the shell-rotating speed reducer 31 is positioned on one side of the first support member 22, and the fixed end 311 is placed inside the first annular through hole 222 and the second annular through hole 252; the first flange 32 is fixedly installed on the outer surface of the fixed end 311, and the surface of the first flange is provided with a unthreaded hole; the second flange 33 is fixedly installed at the output end of the shell rotation speed reducer 31, and a threaded hole is formed in the surface of the second flange; the rotating cylinder 34 is positioned between the first support 22 and the second support 23, the inner diameter of the rotating cylinder is larger than the outer diameter of the body of the shell rotation speed reducer 31, a third flange 35 is fixedly installed on one side of the rotating cylinder 34 close to the first support 22, and a fourth flange 36 is fixedly installed on one side close to the second support 23; the first chain wheel 37 is positioned between the first support member 22 and the third flange 35, and the surface of the first chain wheel is provided with a unthreaded hole;
the second chain wheel 38 is positioned between the second supporting piece 23 and the fourth flange 36, and the surface of the second chain wheel is provided with a unthreaded hole;
as an embodiment of the present invention, the third flange 35 and the fourth flange 36 are both provided with unthreaded holes on the outer peripheries thereof, and are both provided with threaded holes on the inner peripheries thereof;
as an embodiment of the present invention, an auxiliary bracket 41 is screwed to the top end of the second supporting member 23, and a third through hole 411 is formed in the center of the auxiliary bracket 41; a bearing 42 is arranged in the third through hole 411, and the bearing 42 is fixedly arranged at the top end of the second supporting piece 23; an output shaft 43 is rotatably connected inside the bearing 42, a fifth flange 44 is fixedly installed at one end, far away from the bearing 42, of the output shaft 43, and a unthreaded hole is formed in the surface of the fifth flange 44;
by screwing the pressing base 25 and the upper part of the first support 22, on one hand, the first annular through hole 222 and the second annular through hole 252 form a circular hole, on the other hand, the first semicircular surface 221 and the second semicircular surface 251 form a full circular surface, and then the fixed end 311 of the shell-to-shell speed reducer 31 is placed inside the circular hole, namely, the fixed end 311 of the shell-to-shell speed reducer 31 is placed inside the first annular through hole 222 and the second annular through hole 252;
after the placement is completed, the first flange 32 is in threaded connection with the full-circle surface through the threaded hole, that is, the first flange 32 is in threaded connection with the first semicircular surface 221 and the second semicircular surface 251, so that the fixed end 311 of the shell-to-rotor speed reducer 31 is fixedly installed inside the first annular through hole 222 and the second annular through hole 252, that is, the shell-to-rotor speed reducer 31 is fixedly installed on the first support member 22;
after the shell-rotation speed reducer 31 is installed, the inner diameter of the rotary drum 34 is larger than the outer diameter of the body of the shell-rotation speed reducer 31, the rotary drum 34 is sleeved on the outer surface of the output end of the shell-rotation speed reducer 31, the second flange 33 and the third flange 35 are in threaded connection with the inner peripheral threaded hole, so that the rotary drum 34 is fixedly connected with the output end of the shell-rotation speed reducer 31, and the first chain wheel 37 and the unthreaded hole on the outer periphery of the third flange 35 are in threaded connection, so that the first chain wheel 37 and the rotary drum 34 are fixedly connected;
then, the fifth flange 44 is in threaded connection with the threaded hole in the inner periphery of the fourth flange 36, and the output shaft 43 is in rotational connection with the inside of the bearing 42, so that the rotary drum 34 can rotate relative to the second support 23, and meanwhile, the second chain wheel 38 is in threaded connection with the unthreaded hole in the outer periphery of the fourth flange 36, so that the second chain wheel 38 is fixedly connected with the rotary drum 34;
before the shaft excavation is ready, a ring chain tower is connected to the inner parts of grooves in the outer circumferential surfaces of a first chain wheel 37 and a second chain wheel 38, then the shell rotation speed reducer 31 is driven in the forward direction, so that the output end of the shell rotation speed reducer 31 drives a third flange 35 to rotate forward, the forward rotating third flange 35 drives a rotating drum 34 to rotate forward and the first chain wheel 37 to rotate forward, the forward rotating drum 34 drives the second chain wheel 38 and an output shaft 43 to rotate forward, and therefore, a pipeline hung by the ring chain can be conveyed into the shaft through the synchronous forward rotating first chain wheel 37 and the second chain wheel 38;
when the maintenance of the heading machine or the heading of the whole shaft is completed, the shell rotation speed reducer 31 is driven reversely, so that the output end of the shell rotation speed reducer 31 drives the third flange 35 to rotate reversely, the reverse third flange 35 drives the rotary drum 34 to rotate reversely and the first chain wheel 37 to rotate reversely, the reverse rotary drum 34 drives the second chain wheel 38 and the output shaft 43 to rotate reversely, and therefore, the pipeline hung by the circular chain can be recovered reversely to the outside of the shaft through the synchronous reverse first chain wheel 37 and the second chain wheel 38;
the output torque of the endless chain transmission device is large through the first chain wheel 37 and the second chain wheel 38; meanwhile, the shell-rotating speed reducer 31 is placed inside the rotating drum 34, so that the external space occupied by the shell-rotating speed reducer 31 is reduced, the high-altitude area of the pipeline conveying frame body 1 is further reduced, and the safety is improved;
in addition, the gravity center of the endless chain transmission device is close to the inner sides of the first chain wheel 37 and the second chain wheel 38, so that the pipeline conveying is more stable and safer.
As an embodiment of the present invention, a power source 5 is fixedly connected to the fixed end 311 side of the shell-rotation speed reducer 31;
when the pipeline is ready to be conveyed, the main control room sends a starting signal to the power source 5 to enable the power source 5 to work, and the power source 5 enables the shell-to-shell speed reducer 31 to rotate forwards during working, so that the pipeline is conveyed;
when the pipeline is conveyed to a proper length, the detection unit sends a feedback signal to the power source 5, so that the power source 5 stops working, the shell rotation speed reducer 31 stops rotating, and the pipeline is stopped to be conveyed.
As an embodiment of the present invention, the first sprocket 37 and the second sprocket 38 have grooves formed on their outer circumferential surfaces;
when the pipeline is conveyed, the loop chain for hoisting the pipeline can be clamped in the groove through the groove, the phenomenon that the pipeline extending into a vertical shaft falls off from the outer circumferential surface of the first chain wheel 37 or the second chain wheel 38 due to too many pipelines is avoided, and meanwhile, when the pipeline is conveyed or coiled, the phenomenon that the pipeline and the pipeline are wound can be reduced by utilizing the drainage of the groove.
As an embodiment of the present invention, the detection unit includes: the encoder 62 bracket 61 is positioned at one side of the second support member 23, the upper end of the encoder 62 bracket 61 is fixedly installed on the auxiliary support member 41, the lower end of the encoder 62 bracket is fixedly installed on the second support member 23, and a circular hole 611 is formed in the surface of the encoder 62 bracket 61; the encoder 62 is fixedly arranged on one side of the encoder 62 bracket 61; the protective cover 63 is fixedly arranged on one side of the bracket 61 of the encoder 62 and wraps the encoder 62;
as an embodiment of the present invention, the input shaft 621 of the encoder 62 passes through the circular hole 611 and is fixedly connected with the output shaft 43;
when the output shaft 43 rotates along with the shell rotation speed reducer 31, the input shaft 621 of the encoder 62 is fixedly connected with the output shaft 43, so that the encoder 62 can measure the rotating speed of the output shaft 43, then the conveying length of the first chain wheel 37 and the second chain wheel 38 to the pipeline is calculated through signal feedback, and the working state of the power source 5 is controlled, so that the shaft boring machine has proper pipeline length for settlement.
As an embodiment of the present invention, a protective cover is fixedly installed at one side of the encoder bracket, and the protective cover wraps the encoder;
the encoder 62 can be protected by the protective cover 63, so that the encoder 62 can be protected from rain or dust.
The working principle is as follows: the supporting assembly is fixedly arranged above the pipeline conveying frame body 1, the supporting assembly can be used for supporting and fixing the chain transmission device, and the detection unit is fixedly arranged on one side of the supporting assembly, so that the chain transmission device and the detection unit can be intensively fixed above the supporting assembly to work, the space of an external platform can be saved, and the phenomenon that the safety is difficult to guarantee due to the fact that the pipeline conveying frame body 1 is too large is reduced;
when the loop chain transmission device carries out pipeline conveying, the detection unit measures the rotating speed of the loop chain transmission device, calculates the conveying length of the loop chain transmission device to the pipeline through signal feedback, and controls the working state of the loop chain transmission device, namely controls the loop chain transmission device to start working or stop working, so that the sinking of the heading machine has proper pipeline length.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a shaft is endless chain transmission for entry driving machine, includes pipeline carriage body (1), its characterized in that: further comprising:
the chain transmission device is positioned above the pipeline conveying frame body (1) and used for transmitting a chain;
the supporting component is positioned below the endless chain transmission device, is arranged above the pipeline conveying frame body (1), and is used for supporting and fixing the endless chain transmission device;
and the detection unit is arranged on one side of the support component and is used for monitoring the conveying distance of the endless chain and controlling the working state of the endless chain transmission device.
2. The endless chain transmission device for a shaft boring machine according to claim 1, characterized in that: the support assembly includes:
the bottom plate (21), the said bottom plate (21) is installed on the upper surface of the pipeline carriage body (1);
the first support piece (22) 012 is installed at one end of the upper surface of the bottom plate (21), the middle position of the upper end of the first support piece (22) is provided with a first semicircular surface (221), the center position of the first semicircular surface (221) is provided with a first annular through hole (222), and the side wall of the first semicircular surface (221) is provided with a light hole; two sides of the upper end of the first supporting piece (22) are rectangular surfaces;
a second support member (23) 014, wherein the second support member (23) is installed at the other end of the upper surface of the bottom plate (21);
the supporting plates (24) are positioned between the first supporting piece (22) and the second supporting piece (23), and are fixedly connected with the first supporting piece (22), the second supporting piece (23) and the bottom plate (21);
the pressing base (25) is located above the first supporting piece (22) and two sides of the bottom end of the pressing base (25) are connected with the rectangular surface, the center of the pressing base (25) is provided with a second semicircular surface (251), the center of the second semicircular surface (251) is provided with a second annular through hole (252), the second semicircular surface (251) and the first semicircular surface (221) are the same in diameter, and the side wall of the second semicircular surface is provided with a unthreaded hole.
3. The endless chain transmission device for a shaft boring machine according to claim 1, characterized in that: the endless chain transmission device includes:
the shell-rotating speed reducer (31), the shell-rotating speed reducer (31) is positioned on one side of the first supporting piece (22), and the fixed end (311) is placed inside the first annular through hole (222) and the second annular through hole (252);
the first flange (32) is fixedly arranged on the outer surface of the fixed end (311), and a threaded hole is formed in the surface of the first flange (32);
the second flange (33) is fixedly mounted at the output end of the shell rotation speed reducer (31), and the surface of the second flange (33) is provided with a unthreaded hole;
the rotating drum (34) is positioned between the first supporting piece (22) and the second supporting piece (23), the inner diameter of the rotating drum (34) is larger than the outer diameter of the body of the shell-rotating speed reducer (31), a third flange (35) is installed on one side, close to the first supporting piece (22), of the rotating drum (34), and a fourth flange (36) is installed on one side, close to the second supporting piece (23);
the first chain wheel (37) is positioned between the first supporting piece (22) and the third flange (35), and the surface of the first chain wheel (37) is provided with a unthreaded hole;
and the second chain wheel (38) is positioned between the second supporting piece (23) and the fourth flange (36), and the surface of the second chain wheel (38) is provided with a unthreaded hole.
4. The endless chain transmission device for a shaft boring machine according to claim 3, characterized in that: unthreaded holes are formed in the peripheries of the third flange (35) and the fourth flange (36), and threaded holes are formed in the inner peripheries of the third flange and the fourth flange.
5. A chain drive for a shaft boring machine according to claim 2 or 3, wherein: the top end of the second supporting piece (23) is connected with an auxiliary support (41), and a third through hole (411) is formed in the center of the auxiliary support (41); a bearing (42) is arranged in the third through hole (411), and the bearing (42) is installed at the top end of the second supporting piece (23); an output shaft (43) is rotatably connected inside the bearing (42), a fifth flange (44) is installed at one end, far away from the bearing (42), of the output shaft (43), and a unthreaded hole is formed in the surface of the fifth flange (44).
6. The endless chain transmission device for a shaft boring machine according to claim 3, characterized in that: one side of the fixed end (311) of the shell rotating speed reducer (31) is connected with a power source (5).
7. A chain drive for a shaft boring machine according to claim 3 wherein: the outer circumferential surfaces of the first chain wheel (37) and the second chain wheel (38) are provided with grooves.
8. The endless chain transmission device for a shaft boring machine according to claim 1, characterized in that: the detection unit includes:
the encoder (62) support (61), the encoder (62) support (61) is located on one side of the second support (23), the upper end of the encoder (62) support is installed on the auxiliary support (41), the lower end of the encoder (62) support is installed on the second support (23), and a round hole (611) is formed in the surface of the encoder (62) support (61);
and the encoder (62), wherein the encoder (62) is arranged on one side of the bracket (61) of the encoder (62).
9. The endless chain transmission device for a shaft boring machine according to claim 5, wherein: an input shaft (621) of the encoder (62) penetrates through the circular hole (611) and is fixedly connected with the output shaft (43).
10. The endless chain transmission device for a shaft boring machine according to claim 8, characterized in that: protective cover (63) are installed to encoder (62) support (61) one side, inside encoder (62) are being wrapped up in protective cover (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210782094.7A CN114991773B (en) | 2022-07-05 | 2022-07-05 | Ring chain transmission device for shaft development machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210782094.7A CN114991773B (en) | 2022-07-05 | 2022-07-05 | Ring chain transmission device for shaft development machine |
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| Publication Number | Publication Date |
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| CN114991773A true CN114991773A (en) | 2022-09-02 |
| CN114991773B CN114991773B (en) | 2024-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210782094.7A Active CN114991773B (en) | 2022-07-05 | 2022-07-05 | Ring chain transmission device for shaft development machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116291469A (en) * | 2023-03-24 | 2023-06-23 | 中国铁建重工集团股份有限公司 | Drive system for caisson shaft boring machines |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB802988A (en) * | 1955-06-03 | 1958-10-15 | Raydon Ayers Lines | Improvements in or relating to tunnelling machines |
| DE19528850A1 (en) * | 1995-08-05 | 1997-02-06 | Ruhrkohle Ag | Tension force regulation system for chain-driven mining plant - detects vibration or operating noise of chain drive or force acting on chain wheel bearing for comparison with reference values for tension regulation. |
| WO2015139679A1 (en) * | 2014-03-18 | 2015-09-24 | Tiefenbach Control Systems Gmbh | Longwall face support in an underground mine |
| WO2019128920A1 (en) * | 2017-12-25 | 2019-07-04 | 中铁工程装备集团有限公司 | New split-type shaft boring machine |
-
2022
- 2022-07-05 CN CN202210782094.7A patent/CN114991773B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB802988A (en) * | 1955-06-03 | 1958-10-15 | Raydon Ayers Lines | Improvements in or relating to tunnelling machines |
| DE19528850A1 (en) * | 1995-08-05 | 1997-02-06 | Ruhrkohle Ag | Tension force regulation system for chain-driven mining plant - detects vibration or operating noise of chain drive or force acting on chain wheel bearing for comparison with reference values for tension regulation. |
| WO2015139679A1 (en) * | 2014-03-18 | 2015-09-24 | Tiefenbach Control Systems Gmbh | Longwall face support in an underground mine |
| WO2019128920A1 (en) * | 2017-12-25 | 2019-07-04 | 中铁工程装备集团有限公司 | New split-type shaft boring machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116291469A (en) * | 2023-03-24 | 2023-06-23 | 中国铁建重工集团股份有限公司 | Drive system for caisson shaft boring machines |
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| Publication number | Publication date |
|---|---|
| CN114991773B (en) | 2024-10-22 |
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