CN111622770B - Tunnel grooving machine - Google Patents
Tunnel grooving machine Download PDFInfo
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- CN111622770B CN111622770B CN202010500265.3A CN202010500265A CN111622770B CN 111622770 B CN111622770 B CN 111622770B CN 202010500265 A CN202010500265 A CN 202010500265A CN 111622770 B CN111622770 B CN 111622770B
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- 238000005520 cutting process Methods 0.000 claims abstract description 91
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000009471 action Effects 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance 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
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention provides a tunnel grooving machine, which comprises: a base; the rotating mechanism is arranged on the base, and the rotating axis of the rotating mechanism extends horizontally; the rotary arm is arranged on the rotary mechanism and used for generating 360-degree rotation under the action of the rotary mechanism; and the cutting device is arranged at the end part of the rotary arm and is used for grooving the inner wall of the tunnel. Has the advantages that: as the rotary axis of the rotary mechanism extends horizontally, the rotary arm is arranged on the rotary mechanism and can rotate 360 degrees under the action of the rotary mechanism, so that the cutting device at the end part can be driven to slot on the inner wall of the tunnel, the slot does not need to be stopped during the slot-forming process, the construction is continuous, and the use is more convenient and the construction efficiency is high.
Description
Technical Field
The invention relates to a tunnel grooving machine.
Background
In urban tunnel expansion joint construction, in the maintenance process, need use tunnel groover, for example, grant publication number CN 204457812U's the china utility model patent discloses a lining cutting steel bow member mounting groove groover for existing railway tunnel disease improvement, including installing the frame that can turn round and indulge on worm wheel gyration strutting arrangement, install flexible arm on the frame, flexible arm includes with frame articulated flexible arm frame, the flexible arm inside casing of suit in flexible arm frame, it has the pitch pneumatic cylinder to articulate between flexible arm frame and the frame. The grooving machine further comprises a triangular fork-shaped cutting swing arm, a cutting tool and a cutting swing arm driving mechanism, wherein the cutting tool is installed at the front end of the cutting swing arm, and the cutting swing arm driving mechanism comprises a right-angle side support rod vertically and fixedly connected to the side wall of the inner frame of the telescopic arm, a bevel side support rod with one end hinged to the front end of the inner frame of the telescopic arm and the other end hinged to the other end of the right-angle side support rod, and a swing hydraulic cylinder hinged to the hinged point of the right-angle side support rod and the bevel side support rod. The rear end of the cutting swing arm and the bevel edge support rod are hinged to the front end of the inner frame of the telescopic arm together through a hinge shaft, and the lower end of the cutting swing arm is hinged to the end portion of a piston rod of the swing hydraulic cylinder through a hinge shaft.
When the cutting device is used, the cutting swing arm and the cutting tool are driven by the inner frame of the telescopic arm to extend out along the tunnel radial direction and cut into a tunnel lining, and then the telescopic arm is driven by the pitching hydraulic cylinder to drive the telescopic arm to drive the cutting head to perform circumferential grooving operation on the top of the tunnel until the pitching hydraulic cylinder moves to the extreme position and then stops acting. And then operating the swing hydraulic cylinder to push the cutting swing arm to do swing motion towards the top of the tunnel and drive the cutter to continue grooving until the swing hydraulic cylinder moves to a designed limit position, and at the moment, the cutter just cuts the top of the tunnel, so that the grooving operation of the steel arch mounting groove on one side of the tunnel is completed. Then the grooving machine is reset to the initial state, the worm and worm wheel rotary supporting device drives the machine base to rotate for 180 degrees, and then grooving operation is carried out on the other side of the tunnel.
For the grooving machine, firstly, a pitching hydraulic cylinder needs to be started, then, a swinging hydraulic cylinder needs to complete grooving on one side, then, the grooving machine needs to be reset to an initial state, so that grooving on the other side can be completed, pause is accompanied in the middle, the whole grooving process is not continuous, the construction efficiency is influenced, and the grooving machine is inconvenient to use.
Disclosure of Invention
The invention aims to provide a tunnel grooving machine which is convenient to use and high in construction efficiency.
In order to achieve the purpose, the tunnel grooving machine adopts the following technical scheme:
a tunnel groover, comprising:
a base;
the rotating mechanism is arranged on the base, and the rotating axis of the rotating mechanism extends horizontally;
the rotary arm is arranged on the rotary mechanism and used for generating 360-degree rotation under the action of the rotary mechanism;
and the cutting device is arranged at the end part of the rotary arm and is used for grooving the inner wall of the tunnel.
The beneficial effects of the above technical scheme are that: the rotary axis of the rotary mechanism extends horizontally, the rotary arm is arranged on the rotary mechanism and can rotate 360 degrees under the action of the rotary mechanism, so that the cutting device at the end part can be driven to open a groove on the inner wall of the tunnel, the groove opening process does not need to be stopped, and the construction is continuous, so that the use is more convenient and the construction efficiency is high.
Furthermore, in order to conveniently adjust the grooving radius of the tunnel grooving machine and expand the application range of the tunnel grooving machine, the rotary arm comprises a fixed arm and a telescopic arm which can move relative to the fixed arm in a telescopic manner, the fixed arm is fixedly arranged on the rotary mechanism, and the cutting device is arranged at the end part of the telescopic arm.
Furthermore, for the convenience of manufacturing, assembling and telescopic matching of the fixed arm and the telescopic arm, the fixed arm and the telescopic arm are connected together through a telescopic hydraulic cylinder, the telescopic arm penetrates through the fixed arm and is arranged outside the fixed arm and the telescopic arm, one end of the telescopic hydraulic cylinder is connected with the fixed arm, and the other end of the telescopic hydraulic cylinder is connected with the telescopic arm.
Furthermore, in order to facilitate grooving, the telescopic arm floats to a certain extent, the adaptability of the telescopic arm is enhanced, and the telescopic hydraulic cylinder is connected with the fixed arm through the telescopic spring, so that the cutting device elastically pushes against the inner wall of the tunnel to cut.
Further, in order to increase the construction stability of the tunnel grooving machine, a supporting frame is installed on the base, telescopic support legs used for supporting the tunnel on the ground are installed on the supporting frame, and the rotary mechanism is installed on the supporting frame.
Further, for the transportation of convenient tunnel groover, install first connecting arm on the base, braced frame is articulated with first connecting arm, is connected with first pneumatic cylinder between first connecting arm and the braced frame, and first pneumatic cylinder is used for making braced frame rotatory around first connecting arm to make braced frame switch between vertical state and horizontality.
Furthermore, in order to adjust the height of the supporting frame conveniently, the gravity center of the tunnel grooving machine is further lowered, the supporting frame is convenient to transport, a second connecting arm is fixed on the base and hinged to the first connecting arm, a second hydraulic cylinder is connected between the second connecting arm and the first connecting arm, and the second hydraulic cylinder is used for enabling the first connecting arm to rotate around the second connecting arm so as to adjust the height of the supporting frame when the supporting frame is in a horizontal state.
Further, in order to ensure the grooving precision, the cutting device comprises a device frame, wherein a cutting tool and a guide wheel arranged on the front side in the advancing direction of the cutting tool are mounted on the device frame, and the guide wheel is embedded into a guide groove in the inner wall of the tunnel so as to guide the cutting track of the cutting tool.
Furthermore, in order to facilitate the guiding of the guide wheel, the cutting device comprises a guide rod connected with the guide wheel and a guide cylinder for guiding and installing the guide rod, the guide cylinder is fixed on the device frame, a floating spring is connected between the guide rod and the guide cylinder, and the guide wheel can be installed on the guide cylinder in a floating manner through the floating spring.
Furthermore, in order to conveniently control the cutting depth of the cutting tool, the cutting device further comprises an adjusting wheel arranged on the mounting frame, the adjusting wheel is arranged beside the cutting tool, the position of the adjusting wheel relative to the mounting frame is adjustable, the adjusting wheel is used for being in contact with the inner wall of the tunnel, the adjusting wheel and the cutting tool have a set dislocation distance in the cutting depth direction, and the dislocation distance is equal to the maximum cutting depth of the cutting tool.
Drawings
Fig. 1 is a schematic structural view of a tunnel groover (a support frame is in a vertical state) in the invention;
fig. 2 is a schematic structural view of the tunnel groover of the present invention (with the support frame in a horizontal position);
FIG. 3 is a schematic view of a tunnel grooving machine according to the present invention in a construction state in a tunnel;
FIG. 4 is a structural diagram of the cutting device shown in FIGS. 1 to 3;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a bottom view of FIG. 4;
FIG. 7 is a structural diagram of the swing arm shown in FIGS. 1 to 3;
FIG. 8 is an enlarged view of a portion of FIG. 7;
FIG. 9 is a structural diagram of the supporting frame shown in FIGS. 1 to 3;
fig. 10 is a left side view of fig. 9.
In the figure: 10-a base; 20-a support frame; 21-a frame body; 22-a third hydraulic cylinder; 23-telescopic legs; 24-a first guide plate; 25-installing a frame body of the slewing mechanism; 26-a first hydraulic cylinder connecting plate; 27-a first connecting arm connecting plate; 30-a swivel arm; 31-a fixed arm; 32-telescopic arm; 33-a mounting plate; 34-a connecting plate; 35-a telescopic hydraulic cylinder; 36-a telescoping spring; 37-a guide rod; 371-spring seat; 372-a bolt; 38-a second guide plate; 40-a cutting device; 41-a cutting tool; 42-a guide wheel; 43-a regulating wheel; 44-hydraulic motor mount; 45-fixing plate; 46-a device frame; 47-a guide bar; 48-a guide cylinder; 49-a floating spring; 50-a second connecting arm; 60-a first connecting arm; 70-a second hydraulic cylinder; 80-a first hydraulic cylinder; 90-a slewing mechanism; 100-inner wall of tunnel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
One embodiment of the tunnel grooving machine of the present invention is shown in fig. 1, and includes a base 10, where the base 10 is a crawler-type base, and includes components such as a driving wheel, a driven wheel, and a crawler, and the structure and the operation principle thereof belong to the prior art, and are not described in detail in the present invention.
The base 10 is fixedly provided with a second connecting arm 50 which is obliquely arranged, the bottom of the second connecting arm 50 is fixed on the base 10, the top of the second connecting arm 50 is hinged with a first connecting arm 60, a second hydraulic cylinder 70 is connected between the first connecting arm 60 and the second connecting arm 50, and the second hydraulic cylinder 70 can control the first connecting arm 60 to rotate around the second connecting arm 50 to change the pitching angle of the first connecting arm 60. The other end of the first link arm 60 is hinged to the support frame 20, and a first hydraulic cylinder 80 is connected between the first link arm 60 and the support frame 20, and the first hydraulic cylinder 80 can control the support frame 20 to rotate around the first link arm 60, so that the support frame 20 is switched between a vertical state (shown in fig. 1) and a horizontal state (shown in fig. 2).
The structure of the support frame 20 is as shown in fig. 9 and 10, the support frame 20 includes a frame main body 21, and telescopic legs 23 for supporting on the tunnel floor are respectively provided on the left and right sides of the frame main body 21. Specifically, a third hydraulic cylinder 22 is connected to the frame body 21 above the telescopic leg 23, one end of the third hydraulic cylinder 22 is hinged to the frame body 21, the other end of the third hydraulic cylinder 22 is hinged to the telescopic leg 23, in order to facilitate guiding movement of the telescopic leg 23, first guide plates 24 are respectively fixed to the left side and the right side of the frame body 21, and the telescopic leg 23 penetrates through the first guide plates 24.
In order to facilitate the connection between the support frame 20 and the first connection arm 60 and the first hydraulic cylinder 80, a first cylinder connection plate 26 and a first connection arm connection plate 27 are provided on the frame body 21. As shown in fig. 1 and 2, the tunnel groover further includes a swing mechanism 90, a swing mechanism mounting frame 25 for mounting the swing mechanism 90 is disposed on an upper portion of the frame body 21, a swing axis of the swing mechanism 90 extends horizontally and can output a swing power of 360 degrees, and the swing mechanism 90 may be a worm and gear swing mechanism, a swing mechanism with a gear engaged with a gear, or a swing mechanism with a gear engaged with a rack.
As shown in fig. 1, 2 and 3, the tunnel groover further includes a swing arm 30 mounted on the swing mechanism 90, and the swing arm 30 can make 360-degree rotation under the action of the swing mechanism 90. The structure of the swing arm 30 is shown in fig. 7 and 8, the swing arm 30 includes a fixed arm 31 and a telescopic arm 32 telescopically movable with respect to the fixed arm 31, and the fixed arm 31 is fixedly mounted on the swing mechanism 90 through a connecting plate 34. Specifically, the fixed arm 31 and the telescopic arm 32 are connected together through a telescopic hydraulic cylinder 35, the telescopic arm 32 is arranged to penetrate through the fixed arm 31, the telescopic hydraulic cylinder 35 is located outside the fixed arm 31 and the telescopic arm 32, one end of the telescopic hydraulic cylinder 35 is connected with the fixed arm 31, and the other end of the telescopic hydraulic cylinder 35 is connected with the telescopic arm 32.
The end of the telescopic arm 32 is provided with a mounting plate 33, the mounting plate 33 being adapted to mount a cutting device 40 (as shown in figures 1, 2 and 3), the cutting device 40 being adapted to cut a slot in the tunnel inner wall 100. As shown in fig. 7, a piston rod of the telescopic hydraulic cylinder 35 is connected to the telescopic arm 32, and the cylinder body is connected to the fixed arm 31 through a section of guide rod 37 and a telescopic spring 36, specifically, as shown in fig. 8, the telescopic spring 36 is sleeved outside the guide rod 37, a spring seat 371 is fixed on the guide rod 37, a second guide plate 38 is fixed on the fixed arm 31 by welding, an end of the guide rod 37 passes through the second guide plate 38, and a bolt 372 is connected to a penetrating end, the telescopic spring 36 is in a pre-compression state, one end of the telescopic spring is pressed against the spring seat 371, and the other end of the telescopic spring is pressed against the second guide plate 38. When the cutting device is used, the length of the rotary arm 30 is adjusted through the telescopic hydraulic cylinder 35, the cutting radius of the cutting device 40 is adjusted, and meanwhile, when the cutting device 40 is pressed against the tunnel inner wall 100, the telescopic arm 32, the telescopic hydraulic cylinder 35 and the guide rod 37 can integrally float to a certain extent under the action of the telescopic spring 36, namely the guide rod 37 can move relative to the second guide plate 38 and further compress the telescopic spring 36, so that elastic pressing cutting between the cutting device 40 and the tunnel inner wall 100 is realized.
The cutting device 40 is constructed as shown in fig. 4, 5 and 6, the cutting device 40 includes a device frame 46, a fixing plate 45 is fixed on the device frame 46, and the fixing plate 45 is used for fixedly connecting the whole cutting device 40 with the mounting plate 33 at the end of the telescopic arm 32. The cutting tool 41 and the guide wheels 42 arranged on the front side and the rear side in the advancing direction of the cutting tool 41 are mounted on the device frame 46, the cutting tool 41 is used for grooving the inner wall 100 of the tunnel, the cutting tool 41 is formed by overlapping a plurality of saw blades, the cutting tool 41 is driven by a hydraulic motor (not shown in the figure), and a hydraulic motor mounting seat 44 is arranged on the device frame 46.
The guide wheel 42 is inserted into the guide groove of the tunnel inner wall 100, so that a relatively narrow guide groove needs to be cut on the tunnel inner wall to assist the turning mechanism to guide the cutting track of the cutting tool 41. The guide wheels 42 are provided in two, and either clockwise rotary cutting or counterclockwise rotary cutting may be applied. Specifically, the cutting device 40 further comprises a guide rod 47 connected with the guide wheel 42, and a guide cylinder 48 for guiding and mounting the guide rod 47, wherein the guide cylinder 48 is fixed on the device frame 46, a floating spring 49 is connected between the guide rod 47 and the guide cylinder 48, and the guide wheel 42 is floatably mounted on the guide cylinder 48 through the floating spring 49.
In addition, the cutting device 40 further comprises an adjusting wheel 43 mounted on the mounting frame 46, the adjusting wheel 43 is arranged beside the cutting tool 41, a stud is arranged at the top of a wheel frame of the adjusting wheel 43, two nuts are connected to the stud, the adjusting wheel 43 is mounted on a connecting plate of the mounting frame 46 through the stud and the two nuts, and the two nuts are respectively located on two sides of the connecting plate, so that the position of the adjusting wheel 43 relative to the mounting frame 46 is adjustable. In use, the adjusting wheel 43 is in contact with the tunnel inner wall 100, and the adjusting wheel 43 and the cutting tool 41 have a set offset distance in the cutting depth direction, which is equal to the maximum cutting depth of the cutting tool 41, i.e. the adjusting wheel 43 can limit the maximum cutting depth of the cutting tool 41.
The working principle of the tunnel grooving machine is as follows:
the tunnel groover passes through the base 10 can be convenient remove to the tunnel in, through the rotatory vertical state that reaches of first pneumatic cylinder 80 control braced frame 20, then stretch out and support tunnel subaerial through the flexible landing leg 23 of third pneumatic cylinder 22 control, guarantee tunnel groover's construction stability. Then, the telescopic hydraulic cylinder 35 controls the telescopic arm 32 to stretch and retract, the grooving radius of the cutting tool 41 is adjusted, the swing mechanism 90 drives the swing arm 30 to rotate, the cutting tool 41 can groove on the tunnel inner wall 100 under the guiding action of the guide wheel 42 and the elastic pressing action of the telescopic spring 36, and the adjusting wheel 43 can control the maximum cutting depth of the cutting tool 41.
After the grooving is completed, the telescopic supporting legs 23 are controlled to be retracted by the third hydraulic cylinders 22, then the supporting frame 20 is controlled to rotate to the horizontal state by the first hydraulic cylinders 80, and then the first connecting arms 60 are controlled to rotate around the second connecting arms 50 by the second hydraulic cylinders 70, so that the supporting frame 20 and the rotary arms 30 connected with the first connecting arms 60 descend, the gravity center and the height of the tunnel grooving machine are reduced, and the supporting frame 20 and the rotary arms 30 are convenient to transport.
The tunnel grooving machine does not need to stop in the grooving process, and the construction is continuous, so the tunnel grooving machine is convenient to use and has high construction efficiency. Meanwhile, the length of the rotary arm 30 is adjustable, the grooving radius can be changed, and the application range of the tunnel grooving machine is expanded. The arrangement of the telescopic spring 36 on the rotary arm can ensure that the telescopic arm has certain floating, and the grooving operation can still be realized under the condition that the inner wall of the tunnel is not a regular circular inner wall. In addition, in the occasion that needs carry out the operation of pressing the waterstop, can take off cutting tool, change the layering wheel, at this moment under the gyration effect of revolving arm, can compress tightly the waterstop in the expansion joint of opening through the layering wheel, of course need not hydraulic motor drive layering wheel this moment and rotate, the layering wheel only need along with the removal of revolving arm rotation by oneself can.
In other embodiments of the tunnel grooving machine, a slotted hole can be provided in the device frame of the cutting device, the adjusting wheel is fixed on the slotted hole through a bolt, and the position of the adjusting wheel relative to the device frame is changed through the slotted hole.
In other embodiments of the tunnel slotter, the cutting apparatus may not include an adjustment wheel.
In other embodiments of the tunnel slotter, the guide wheels may be fixed, non-floatable, relative to the apparatus frame.
In other embodiments of the tunnel slotter, the cutting device may not include a guide wheel.
In other embodiments of the tunnel grooving machine, the second connecting arm is not fixed on the base, but only the first connecting arm is provided, and at this time, the first connecting arm can be directly hinged to the base, and the hydraulic cylinder is connected between the first connecting arm and the base to adjust the pitch angle of the first connecting arm, or the first connecting arm can also be directly fixed on the base, and the pitch angle of the first connecting arm is not adjustable.
In other embodiments of the tunnel grooving machine, an L-shaped connecting arm may be fixed on the base, a vertical side of the L-shaped connecting arm is fixed on the base, and a horizontal side is fixedly connected to the supporting frame, the supporting frame is not adjustable and only has a vertical state, or of course, a fixed frame may be fixed on the base, and the supporting frame is fixedly connected to the fixed frame.
In other embodiments of the tunnel grooving machine, the tunnel grooving machine does not include a support frame, but rather a fixed frame is fixed on the base, and the swing mechanism is mounted on the fixed frame, or a fixed column is fixed on the base, and the swing mechanism is mounted on the fixed column.
In other embodiments of the tunnel grooving machine, the telescopic hydraulic cylinder and the fixed arm may be rigidly connected, and the telescopic spring is not provided at this time.
In other embodiments of the tunnel grooving machine, the telescopic hydraulic cylinder can be arranged inside the fixed arm, and one end of the telescopic hydraulic cylinder is connected with the fixed arm and the other end of the telescopic hydraulic cylinder is connected with the telescopic arm.
In other embodiments of the tunnel grooving machine, the mechanism for controlling the telescopic movement of the telescopic arm relative to the fixed arm can also adopt an air cylinder, an electric push cylinder or a lead screw nut mechanism.
In other embodiments of the tunnel grooving machine, the rotary arm consists only of the fixed arm, the cutting device is directly mounted at the end of the fixed arm, and the length of the rotary arm is not adjustable.
In other embodiments of the tunnel grooving machine, the base may also be an automotive chassis base.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be covered by the scope of the present invention.
Claims (4)
1. A tunnel groover, comprising:
a base;
the rotary axis of the rotary mechanism extends horizontally;
the rotary arm is arranged on the rotary mechanism and used for generating 360-degree rotation under the action of the rotary mechanism;
the cutting device is arranged at the end part of the rotary arm and is used for grooving the inner wall of the tunnel;
the support frame is provided with telescopic support legs for supporting the tunnel ground, the swing mechanism is arranged on the support frame, the base is provided with a first connecting arm, the support frame is hinged with the first connecting arm, a first hydraulic cylinder is connected between the first connecting arm and the support frame, and the first hydraulic cylinder is used for enabling the support frame to rotate around the first connecting arm so as to enable the support frame to be switched between a vertical state and a horizontal state;
a second connecting arm is fixed on the base and hinged with the first connecting arm, and a second hydraulic cylinder is connected between the second connecting arm and the first connecting arm and used for enabling the first connecting arm to rotate around the second connecting arm so as to adjust the height of the supporting frame when the supporting frame is in a horizontal state;
the cutting device comprises a device frame, a cutting tool and a guide wheel arranged on the front side of the advancing direction of the cutting tool are mounted on the device frame, and the guide wheel is embedded into a guide groove in the inner wall of the tunnel to guide the cutting track of the cutting tool;
the cutting device comprises a guide rod connected with a guide wheel and a guide cylinder for guiding and installing the guide rod, the guide cylinder is fixed on the device frame, a floating spring is connected between the guide rod and the guide cylinder, and the guide wheel is installed on the guide cylinder in a floating manner through the floating spring;
the cutting device further comprises an adjusting wheel arranged on the device frame, the adjusting wheel is arranged beside the cutting tool, the position of the adjusting wheel relative to the device frame is adjustable, the adjusting wheel is used for being in contact with the inner wall of the tunnel, the adjusting wheel and the cutting tool have a set dislocation distance in the cutting depth direction, and the dislocation distance is equal to the maximum cutting depth of the cutting tool.
2. The tunnel groover of claim 1, wherein the swing arm comprises a fixed arm fixedly mounted on the swing mechanism and a telescoping arm telescopically movable relative to the fixed arm, the cutting device being mounted at an end of the telescoping arm.
3. The tunnel groover of claim 2, wherein the fixed arm and the telescoping arm are coupled together by a telescoping hydraulic cylinder, the telescoping arm disposed through the fixed arm, the telescoping hydraulic cylinder located outside of the fixed arm and the telescoping arm, the telescoping hydraulic cylinder connected at one end to the fixed arm and at another end to the telescoping arm.
4. The tunnel groover of claim 3, wherein the telescopic hydraulic cylinder is connected to the fixed arm by a telescopic spring so that the cutting device is elastically pressed against the inner wall of the tunnel to perform cutting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020104837720 | 2020-06-01 | ||
| CN202010483772 | 2020-06-01 |
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| CN111622770A CN111622770A (en) | 2020-09-04 |
| CN111622770B true CN111622770B (en) | 2022-05-27 |
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| CN202010500265.3A Active CN111622770B (en) | 2020-06-01 | 2020-06-04 | Tunnel grooving machine |
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| CN116025373B (en) * | 2023-03-28 | 2023-06-06 | 忻州市交通建设中心 | Tunnel grooving machine and method thereof |
| CN117868873B (en) * | 2024-03-13 | 2024-05-24 | 中铁电气化局集团有限公司 | Tunnel grooving machine and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104500107B (en) * | 2014-12-11 | 2016-07-20 | 中铁西南科学研究院有限公司 | A kind of existing railway Curing of Tunnel Diseases lining cutting steel arch-shelf mounting groove groover |
| CN108331054A (en) * | 2018-04-25 | 2018-07-27 | 中铁工程装备集团有限公司 | A kind of tunnel circumferential direction french drain excavation equipment |
| CN110053172B (en) * | 2019-04-23 | 2021-04-13 | 中铁十一局集团第五工程有限公司 | Cantilever type universal cutting mechanism, equipment and cutting method for tunnel |
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Address after: 450000 Zhengzhou area (Zhengdong), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee after: Henan Branch of China South to North Water Transfer group middle route Co.,Ltd. Patentee after: HENAN WATER CONSTRUCTION GROUP Co.,Ltd. Address before: 450000 Zhengguang North Street and Zhongwang Road West, Zhengzhou area (Zhengdong), Zhengzhou City, Henan Province Patentee before: HENAN BRANCH OF CONSTRUCTION AND ADMINISTRATION BUREAU OF SOUTH-TO-NORTH WATER DIVERSION MIDDLE ROUTE PROJECT Patentee before: HENAN WATER CONSTRUCTION GROUP Co.,Ltd. |
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