CN113074001A - Multifunctional operation rack suitable for tunnel construction - Google Patents
Multifunctional operation rack suitable for tunnel construction Download PDFInfo
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- CN113074001A CN113074001A CN202110417814.5A CN202110417814A CN113074001A CN 113074001 A CN113074001 A CN 113074001A CN 202110417814 A CN202110417814 A CN 202110417814A CN 113074001 A CN113074001 A CN 113074001A
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- jumbolter
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- 238000010276 construction Methods 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 108
- 239000010959 steel Substances 0.000 claims abstract description 108
- 239000004567 concrete Substances 0.000 claims abstract description 27
- 238000005553 drilling Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 62
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 12
- 230000010354 integration Effects 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000007723 transport mechanism Effects 0.000 description 3
- 239000004035 construction material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004258 portal system Anatomy 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 238000003466 welding 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
- 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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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
- 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
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a multifunctional operation rack suitable for tunnel construction, which comprises a movable portal frame, wherein a concrete guniting device, a jumbolter device and a steel arch assembling device are arranged on the movable portal frame. According to the invention, the steel arch assembling device is arranged on the movable portal frame, so that the assembling process of the steel arch is mechanized, the anchor rod drilling machine device and the guniting device are integrated, the system integration level is high, the collaborative high-efficiency operation can be realized, the working efficiency is improved, the arch support is timely, the support efficiency is high, the quality is more stable, and the safety of tunnel construction is improved.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a multifunctional operation rack suitable for tunnel construction.
Background
In the tunnel constructed by the drilling and blasting method and the step method, primary support is required, the stability of surrounding rocks is improved, and collapse is prevented. The primary support generally adopts a steel arch, and is matched with a steel bar mesh, an anchor rod and sprayed concrete to reinforce the support.
At present, an independent steel arch mounting vehicle, a concrete injection vehicle and an anchor rod drill carriage exist, a construction procedure is that a cantilever excavator or explosive is adopted to crush rocks, then the cantilever excavator retreats to the rear, the concrete injection vehicle advances to the front to inject concrete for preliminary supporting, then the concrete injection vehicle retreats to the rear, the anchor rod drill carriage moves to the front to support an anchor rod, then the anchor rod drill carriage retreats to the rear, the steel arch mounting vehicle moves to the front to mount the steel arch, and as the narrow and small operation environment and functions of a tunnel are respectively carried on respective engineering vehicles, only one operation procedure can be carried out at each step, the working process is complicated, the efficiency is low, and the danger coefficient is high.
In addition, under unfavorable geological conditions, the initial concrete spraying, a large number of bolting machines and steel arch supports are needed in time, and if the concrete and the arch supports are not in time, the support efficiency is low or the quality is unstable, the safety of tunnel construction is seriously affected. Therefore, reasonable design and function set of the supporting system are important factors for improving the tunnel construction safety and the construction efficiency.
The Chinese patent invention with publication number CN111456772A of 2020.07.28 discloses an intelligent support robot with multiple functions of arch erection, guniting and welding, which comprises a moving vehicle body, wherein at least two rotary supports are arranged on the moving vehicle body, a manipulator is arranged on each rotary support, and a grabbing mechanism and/or a guniting mechanism and/or a measuring mechanism and/or a support mechanism are arranged on each manipulator. However, no channel is reserved in the moving vehicle body of the robot, and the device occupies a large area, so that the robot can block the passage of other equipment and the transportation of materials after being placed in a tunnel. And the robot has a complex structure and high failure rate.
Disclosure of Invention
Aiming at the technical problems, the invention provides a multifunctional operation rack suitable for tunnel construction, which is used for solving the problems of complex structure and high failure rate of a tunnel supporting construction device in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a multi-functional operation rack suitable for tunnel construction, is equipped with concrete whitewashing device, roofbolter device and steel bow member assembly device including moving the portal on the removal portal. According to the invention, the steel arch assembling device is arranged on the movable portal frame, so that the assembling process of the steel arch is mechanized, the anchor rod drilling machine device and the guniting device are integrated, the system integration level is high, the collaborative high-efficiency operation can be realized, the working efficiency is improved, the arch support is timely, the support efficiency is high, the quality is more stable, and the safety of tunnel construction is improved. And the operation rack has simple structure and low failure rate, and can save production cost.
Furthermore, in order to realize mechanized assembly of the steel arch, the steel arch assembling device comprises a hoisting mechanism for hoisting the steel arch, a transportation mechanism for transporting the steel arch and a splicing mechanism for splicing the steel arch, wherein the hoisting mechanism is matched with the transportation mechanism, and the transportation mechanism is matched with the splicing mechanism.
Furthermore, in order to facilitate assembly after the steel arch centering on the ground is hoisted, the hoisting mechanism comprises a hoisting winch and a suspension arm which are connected to the moving gantry, a pulley is arranged on the suspension arm, and a steel wire rope of the hoisting winch is in sliding fit with the pulley.
Furthermore, in order to convey the steel arch lifted to a high position to a proper position to facilitate the assembly process of the steel arch, the conveying mechanism comprises a moving track arranged on the moving portal and a conveying table arranged on the moving track, the conveying table is connected with the moving track through a conveying moving driving piece, one end of the moving track corresponds to the lifting mechanism, and the other end of the moving track corresponds to the splicing mechanism; and the transportation table is provided with a lifting support member for supporting the steel arch frame.
Furthermore, in order to take off the steel arch from the hoisting mechanism, the lifting support member comprises a steel arch supporting table and a lifting driving member for driving the steel arch supporting table to lift, one end of the lifting driving member is connected with the steel arch supporting table, and the other end of the lifting driving member is connected with the transportation table.
Furthermore, in order to facilitate the assembling process of the steel arch to realize mechanical assembling more smoothly and more quickly, the assembling mechanism comprises an arc-shaped grooved rail for bearing the steel arch, an assembling winch for moving the steel arch and a grabbing manipulator for grabbing the steel arch, and the arc-shaped grooved rail, the assembling winch and the grabbing manipulator are all connected to the moving gantry; the steel wire rope of the splicing winch is arranged in the arc-shaped groove rail and is in sliding fit with the arc-shaped groove rail, and the steel wire rope of the splicing winch is provided with a hook connected with the steel arch frame; the grabbing manipulator corresponds to the arc-shaped groove rail.
Further, in order to facilitate simultaneous operation on two sides of the arched steel arch frame to be spliced, the arc-shaped grooved rails, the splicing winch and the grabbing mechanical arm are respectively provided with two groups, and the two groups of arc-shaped grooved rails, the splicing winch and the grabbing mechanical arm are symmetrically arranged on the movable portal frame.
Furthermore, in order to grab and fix the rear steel arch centering at the corresponding position for the assembling process, the grabbing manipulator comprises a telescopic arm and a clamping jaw hinged at the front end of the telescopic arm, and the clamping jaw is connected with the telescopic arm through an elastic piece; an opening and closing driving piece for driving the clamping jaw to open and close is arranged in the telescopic arm; the telescopic arm comprises a large arm and a small arm partially accommodated in the large arm, the small arm is connected with the large arm in a sliding manner, and the small arm is connected with the large arm through a telescopic driving piece.
Furthermore, in order to facilitate the opening and closing of the clamping jaw, the opening and closing driving piece is a pushing oil cylinder, a fixed end of the pushing oil cylinder is fixedly connected with the small arm, and a telescopic end of the pushing oil cylinder is provided with a wedge block, and the wedge block is matched with the tail end of the clamping jaw to drive the clamping jaw to open and close.
Further, in order to facilitate the extension and the shortening of the telescopic arm, the telescopic driving piece is a telescopic oil cylinder, and the fixed end of the telescopic oil cylinder is fixedly connected with the large arm and the telescopic end is fixedly connected with the small arm.
Further, in order to make the movable portal possess the multifunctionality, be convenient for improve the efficiency of construction, the movable portal includes door type frame, and the top of door type frame is equipped with moving platform, the bottom is equipped with moving mechanism, still is equipped with operation platform on the door type frame.
Furthermore, in order to facilitate the ascending and descending of constructors, a ladder stand is arranged on one side of the operation platform and/or the moving platform.
Furthermore, in order to enable the concrete guniting assembly to be movable on the operation rack so as not to influence the work of other parts when not in work, the concrete guniting device comprises a guniting platform movably connected to the movable door rack, and the concrete guniting assembly is arranged on the guniting platform; the movable gantry is provided with a guniting movable driving assembly for driving the guniting platform to move, and the guniting movable driving assembly is connected with the guniting platform.
Further, for the convenience of controlling the moving process of the guniting platform, the guniting moving driving assembly comprises a guniting groove rail, a guniting chain and a guniting moving motor which are arranged on a moving portal, the guniting platform is in sliding connection with the guniting groove rail and is connected with the guniting chain, and the guniting moving motor is connected with the guniting chain and is used for driving the guniting chain to move so as to drive the guniting platform to move on the guniting groove rail.
Further, in order to enable the jumbolter assembly to be movable on the operation rack so as not to influence the work of other parts when not working, the jumbolter device comprises a jumbolter platform movably connected to the movable portal frame, and the jumbolter platform is provided with the jumbolter assembly; and a drilling machine moving driving assembly for driving the jumbolter platform to move is arranged on the moving gantry and is connected with the jumbolter platform.
Further, in order to control the moving process of the jumbolter platform conveniently, the drilling machine moving driving assembly comprises a drilling machine groove rail, a drilling machine chain and a drilling machine moving motor which are arranged on a moving portal, the jumbolter platform is connected with the drilling machine groove rail in a sliding mode, the jumbolter platform is connected with the drilling machine chain, and the drilling machine moving motor is connected with the drilling machine chain and used for driving the drilling machine chain to move so as to drive the jumbolter platform to move on the drilling machine groove rail.
Furthermore, in order to control the working angle of the jumbolter assembly and withdraw the angle after the movable portal, the jumbolter assembly is hinged to the jumbolter platform, and the jumbolter assembly is further connected with the jumbolter platform through a pushing oil cylinder.
The invention has the following beneficial effects:
1. according to the invention, the steel arch assembling device is arranged on the movable portal, so that the assembling process of the steel arch is mechanized, the anchor rod drilling machine device and the guniting device are integrated, the system integration level is high, the equipment can realize the cooperative high-efficiency operation of multiple steps through the operation frame, the working efficiency is improved, and the multiple devices can synchronously move along with the movable portal, so that the construction progress is accelerated, the construction process is simplified, the construction site is cleaner and cleaner, and mistakes are not easy to occur; in addition, the primary support of concrete and the reinforcing support of the steel arch frame can be more timely, the support efficiency is higher, the overall quality of the support structure is more stable, and the safety of tunnel construction is improved; the operation rack is simple in structure, low in failure rate and capable of saving production cost;
2. the operation rack is arranged into a door-shaped structure, and the lower part of the rack is provided with the channel, so that the construction space is saved, the construction personnel and other equipment can conveniently pass through the operation rack, and the construction materials can be conveniently transported;
3. the hoisting mechanism, the conveying mechanism and the splicing mechanism are matched to complete hoisting and conveying of the steel arch frame in proper positions in sequence and then assemble the steel arch frame, so that the assembling height of the steel arch frame is mechanized, the process is smoother, the assembling quality is improved, the supporting quality is improved, the assembling efficiency is improved, and the labor cost is saved;
4. the arc-shaped grooved rail is matched with the splicing winch, so that the arc-shaped steel arch is convenient to slide to a corresponding position along the arc-shaped grooved rail, the steel arch which is moved in place is grabbed and fixed through the grabbing manipulator, then splicing, connecting and fixing are carried out, the segmented steel arches are connected to form an integral steel arch, and the steel arch can be supported and fixed at a corresponding supporting position in a tunnel by utilizing the movable portal frame;
5. the jumbolter platform and the pushing oil cylinder are connected with the jumbolter assembly, so that the jumbolter assembly can move and rotate by an angle, and the jumbolter assembly can extend and retract conveniently;
6. through set up the platform that removes at the removal portal top, moving platform can remove to tunnel the place ahead, conveniently carries out steel bow member to one-level step when the tunnel adopts the step method to be under construction and strut.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a third schematic structural view of the present invention;
FIG. 4 is a schematic view of a mechanical gripper according to the present invention;
fig. 5 is a cross-sectional view of a mechanical grabber hand of the present invention.
In the figure: 1-a travelling gantry, 11-a portal frame, 12-a travelling platform, 13-a travelling mechanism, 14-an operating platform, 15-a ladder, 2-a concrete guniting device, 21-a concrete guniting assembly, 22-a guniting platform, 23-a guniting groove rail, 24-a guniting chain, 25-a guniting driving motor, 3-a jumbolter device, 31-a jumbolter assembly, 32-a thrust cylinder, 33-a jumbolter platform, 34-a jumbolter groove rail, 35-a jumbolter chain, 36-a jumbolter driving motor, 4-a hoisting mechanism, 41-a hoisting winch, 42-a boom, 5-a transport mechanism, 51-a travelling rail, 52-a transport platform, 53-a lifting support, 531-a steel arch support platform, 532-lifting driving piece, 6-splicing mechanism, 61-arc grooved rail, 62-splicing winch, 63-grabbing manipulator, 631-clamping jaw, 6311-tail end of clamping jaw, 632-elastic piece, 633-opening and closing driving piece, 634-big arm, 635-small arm, 636-telescopic driving piece, 637-hinged shaft and 638-wedge block.
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 inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1: as shown in fig. 1 to 5, the multifunctional operation rack suitable for tunnel construction includes a movable portal 1, and a movable portal system is a main bearing part of the operation rack. The movable portal frame 1 comprises a portal frame 11, the portal frame 11 comprises strut supports on two sides, a beam support on the top and a top plate paved on the beam support, a channel is formed at the lower part of the portal frame 11, and a cantilever excavator can pass through; the operation rack saves the construction space, facilitates the passing of constructors and other equipment, and also facilitates the transportation of construction materials; the movable portal frame 1 is provided with a concrete guniting device 2, a jumbolter device 3 and a steel arch assembling device, the concrete guniting device 2 is used for spraying concrete to a tunnel wall to carry out primary support, the jumbolter device 3 is used for anchor bolt support, and the steel arch assembling device is used for mounting and supporting the steel arch. The concrete guniting device 2, the anchor rod drilling machine device 3 and the steel arch assembling device can sequentially and orderly work from front to back and are relatively independent, supporting efficiency is improved, devices do not interfere with each other, and construction speed and construction quality are improved.
Further, as shown in fig. 1, a moving platform 12 is arranged at the top of the gate-shaped frame 11, the moving platform 12 includes a platform plate movably connected to the top of the gate-shaped frame 11, and a guardrail is arranged around the platform plate; the top plate is provided with the platform rail, the platform plate is connected with the platform rail through the platform moving driving piece, the platform moving driving piece is arranged at the bottom of the platform plate, the bottom of the platform plate is provided with the traveling wheel connected with the platform moving driving piece, the traveling wheel is matched with the platform rail, and the platform moving driving piece drives the traveling wheel to rotate on the platform rail so as to drive the moving platform 12 to move; the movable platform 12 can move towards the front of the tunnel, and steel arch support can be conveniently carried out on the first step when the tunnel is constructed by a step method. The bottom of the gate frame 11 is provided with a moving mechanism 13. In this embodiment, the moving mechanism 13 includes four crawler chassis respectively disposed at the bottom of the portal frame 11, so as to facilitate the overall movement of the moving portal 1; a double-layer operating platform 14 is further arranged on the side face of the door-shaped frame 11, so that operation of constructors is facilitated; in other embodiments, the number and the number of layers of the operating platform are set as required. In addition, one side of operation platform and moving platform is equipped with cat ladder 15, the upper and lower of constructor of being convenient for.
Example 2: as shown in fig. 1, the steel arch assembling device comprises a lifting mechanism 4 for lifting the steel arch, a transporting mechanism 5 for transporting the steel arch and a splicing mechanism 6 for splicing the steel arch, wherein the lifting mechanism 4 is matched with the transporting mechanism 5, and the transporting mechanism 5 is matched with the splicing mechanism 6. The steel arch centering on the ground is lifted to the upper side of the movable portal 1 through the lifting mechanism 4, then the lifted steel arch centering is moved to the position corresponding to the splicing mechanism 6 through the conveying mechanism 5, and then the steel arch centering is spliced through the splicing mechanism 6, so that the steel arch centering is convenient to support and install, and the supporting efficiency and quality are improved.
Further, as shown in fig. 2, the hoisting mechanism 4 includes a hoisting winch 41 and a boom 42, the boom 42 is connected to the rear end of the top of the moving gantry 1, a pulley is disposed at the rear end of the boom 42, and the hoisting winch 41 is fixed at a position close to the boom 42 on the top of the moving gantry 1, so that a steel wire rope of the hoisting winch 41 can be in sliding fit with the pulley. The suspension arm 42 comprises a vertical supporting arm and a horizontal supporting arm, the pulley is arranged at the rear end of the horizontal supporting arm, the front end of the horizontal supporting arm is hinged to the vertical supporting arm, and the horizontal supporting arm is further connected with the vertical supporting arm through a lifting oil cylinder, so that the horizontal supporting arm can rotate, and the steel arch centering is convenient to move from the lifting mechanism 4 to the conveying mechanism 5. In this embodiment, the two suspension arms 42 and the two hoisting winches 41 are provided, so as to ensure the balance of the steel arch frame in the hoisting process.
Further, as shown in fig. 1, the transportation mechanism 5 includes a moving track 51 disposed on the moving gantry 1 and a transportation table 52 disposed on the moving track 51, the transportation table 52 is connected to the moving track 51 through a transportation moving driving member, the transportation moving driving member is disposed at the bottom of the transportation table 52, and a traveling wheel connected to the transportation moving driving member is disposed at the bottom of the transportation table 52, the traveling wheel is engaged with the moving track 51, and the traveling wheel is driven to rotate on the platform track by the transportation moving driving member so as to move the transportation table 52. The rear end of the moving track 51 extends out of the rear end of the platform plate and extends to a position between the two suspension arms 42 of the hoisting mechanism 4, so that a steel arch on the hoisting winch 41 can be conveniently moved to the transportation table 52; the front end part of the moving track 51 extends to the lower part of the splicing mechanism 6 to correspond to the splicing mechanism 6, so that the transportation table 52 can move the steel arch to the splicing mechanism 6 conveniently. The transport table 52 is provided with a lifting support member 53 for supporting the steel arch, the lifting support member 53 lifts the hoisting winch 41 to lift the steel arch at the top of the movable portal, the steel arch is transferred to the transport mechanism 5, then the transport table 52 drives the steel arch to move to the position of the splicing mechanism 6, and the steel arch is placed on the splicing mechanism 6 through the descending of the lifting support member 53.
Further, as shown in fig. 1 and 2, the lifting support 53 includes a steel arch support 531 and a lifting driving member 532 for driving the steel arch support 531 to lift, and one end of the lifting driving member 532 is connected to the steel arch support and the other end is connected to the transportation table 51. The steel arch support 531 is of a U-shaped structure, and the steel arch is transferred to the lifting support 53 and then prevented from falling off due to the U-shaped structure. In this embodiment, the lift driving member 532 is a lift cylinder.
Example 3: as shown in fig. 1, the splicing mechanism 6 includes an arc-shaped grooved rail 61, a splicing winch 62 and a grabbing manipulator 63, the arc shape of the arc-shaped grooved rail 61 matches with the arc shape of the steel arch, and the arc-shaped grooved rail 61 is used for bearing the steel arch and providing a rail for the steel arch to slide towards two sides. The steel arch is transported to a position right above the arc-shaped groove rail 61 by the transport table 52, the steel arch is placed on the splicing mechanism 6 through descending of the lifting support piece 53 of the transport mechanism 5, the steel arch made of I-steel is supported on the outer side of the arc-shaped groove rail 61 and slides along the arc-shaped groove rail 61, and a grabbing manipulator 63 can grab the steel arch conveniently; the splicing winch 62 is arranged at the lower end of the arc-shaped grooved rail 61, a steel wire rope of the splicing winch 62 is matched with the arc-shaped grooved rail 61, specifically, the section of the arc-shaped grooved rail 61 is of a U-shaped structure, the steel wire rope of the splicing winch 62 is conveniently arranged in the arc-shaped grooved rail 61 and is in sliding fit with the arc-shaped grooved rail 61, and a hook for connecting a steel arch is arranged on the steel wire rope of the splicing winch 62 and is used for connecting the steel arch and driving the steel arch to slide to the lower parts of two sides on the arc-shaped grooved rail 61 to the corresponding positions; snatch manipulator 63 and set up in the side of removing portal 1, snatch the end of snatching of manipulator 63 and outwards stretch out and correspond with arc grooved rail 61, be convenient for snatch fixedly with steel bow member on the arc grooved rail 61, fixed back, alright splice fixed work, strut the construction after the concatenation again.
As shown in fig. 1, because the steel arch is of a symmetrical structure, two sets of the arc-shaped grooved rail 61, the splicing winch 62 and the grabbing manipulator 63 are arranged, and the two sets of the arc-shaped grooved rail 61, the splicing winch 62 and the grabbing manipulator 63 are symmetrically arranged on the moving gantry, so that two symmetrical parts of the steel arch to be spliced can be simultaneously operated conveniently. In addition, each group of grabbing mechanical arm 63 contains a plurality of grabbing mechanical arms 63, and the number of grabbing mechanical arms 63 can be set according to the number of steel arches that need to grab.
Further, as shown in fig. 4 and 5, the grabbing manipulator 63 includes a telescopic arm, the telescopic arm includes a large arm 634 and a small arm 635 partially accommodated in the large arm 634, the small arm 635 is slidably connected to the large arm 634, and the small arm 635 is connected to the large arm 634 through a telescopic driving member 636. The front end of the telescopic arm is symmetrically provided with two clamping jaws 631, the two clamping jaws 631 are hinged with the telescopic arm through a hinge shaft 637, and the clamping jaws 631 are further connected with the telescopic arm through an elastic piece 632, in this embodiment, the elastic piece 632 is a spring, so that the clamping jaws 631 are in an outward-opened state when not in operation; an opening and closing driving piece 633 for driving the clamping jaw 631 to open and close is arranged in the telescopic arm; specifically, the opening/closing driving member 633 is a pushing cylinder, a fixed end of the pushing cylinder is fixedly connected to the small arm 635, a wedge block is disposed at a telescopic end of the pushing cylinder, and the wedge block is engaged with the tail end 6311 of the clamping jaw. The tail end 6311 of the clamping jaw, that is, the end of the clamping jaw 631 far from the clamping position, is located at both ends of the hinge shaft 637, so that the single clamping jaw 631 is of a lever structure, and the tail end 6311 of the clamping jaw tilts inward, so that when the wedge block jacks up the tail end 6311 of the clamping jaw outward, the clamping position of the clamping jaw 631 clamps the steel arch inward.
Example 4: as shown in fig. 3, the concrete guniting device 2 comprises a guniting platform 22 movably connected to the movable gantry 1, and a concrete guniting assembly 21 is arranged on the guniting platform 22; the movable gantry 1 is provided with a guniting movable driving assembly for driving the guniting platform 22 to move, and the guniting movable driving assembly is connected with the guniting platform 22. Specifically, whitewashing removes drive assembly including whitewashing groove rail 23, whitewashing chain 24 and whitewashing removal motor 25, whitewashing groove rail 23 transversely sets up at the top of moving portal 1 and is located the roof downside along the fore-and-aft direction, whitewashing removal motor 25 sets up the rear end at whitewashing groove rail 23, whitewashing chain 24 is connected with whitewashing removal motor 25's output, and whitewashing chain 24 is close to whitewashing groove rail 23 along the extending direction of whitewashing groove rail 23 and sets up and cooperate with whitewashing groove rail 23. Whitewashing platform 22 and 23 sliding connection of whitewashing groove rail, whitewashing platform 22 is connected with whitewashing chain 24 simultaneously, thereby whitewashing mobile motor 25 work drive whitewashing chain 24 removes and drives whitewashing platform 22 and remove on whitewashing groove rail 23, the concrete whitewashing assembly 21 of being convenient for that stretches out of controlling concrete gunning device 2 carries out the whitewashing operation, after the operation, whitewashing mobile motor 25 work drive whitewashing chain 24 removes and withdraws concrete gunning device 2.
Further, as shown in fig. 2, the jumbolter device 3 comprises a jumbolter platform 33 movably connected to the movable gantry 1, and a jumbolter assembly 31 is arranged on the jumbolter platform 33; and a drilling machine moving driving assembly for driving the jumbolter platform 33 to move is arranged on the movable gantry 1, and the drilling machine moving driving assembly is connected with the jumbolter platform 33. Specifically, the drill moving driving assembly comprises a drill groove rail 34, a drill chain 35 and a drill moving motor 36, the drill groove rail 34 is transversely arranged at the top of the moving gantry 1 at the position below the top plate along the front-back direction, and the drill groove rail 34 and the guniting groove rail 23 are separated by a certain distance, so that the jumbolter device 3 and the concrete guniting device 2 do not interfere with each other. The drill moving motor 36 is arranged at the rear end of the drill groove rail 34, the drill chain 35 is connected with the output end of the drill moving motor 36, and the drill chain 35 is arranged close to the drill groove rail 34 along the extending direction of the drill groove rail 34 to be matched with the drill groove rail 34. Jumbolter platform 33 and rig groove rail 34 sliding connection, jumbolter platform 33 is connected with rig chain 35, rig removal motor 36 is connected with rig chain 35 and is used for driving rig chain 35 to remove thereby drive jumbolter platform 33 and move on rig groove rail 34, thereby control the stretching out of jumbolter device 3 and be convenient for jumbolter assembly 31 to carry out the jumbolter operation, after the operation, jumbolter platform 33 work drives rig chain 35 and moves and withdraws jumbolter device 3.
Further, as shown in fig. 2, the jumbolter assembly 31 is hinged to the jumbolter platform 33, and the jumbolter assembly 31 is further connected to the jumbolter platform 33 by a push cylinder 32. The working angle of the jumbolter assembly 31 can be controlled and the angle after moving the mast 1 can be retracted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (11)
1. The utility model provides a multi-functional operation rack suitable for tunnel construction, its characterized in that, is equipped with concrete guniting device (2), roofbolter device (3) and steel bow member assembly device including moving portal (1) on moving portal (1).
2. The multifunctional work bench suitable for tunnel construction according to claim 1, wherein the steel arch assembling device comprises a hoisting mechanism (4), a transportation mechanism (5) and an assembling mechanism (6), the hoisting mechanism (4) is matched with the transportation mechanism (5), and the transportation mechanism (5) is matched with the assembling mechanism (6).
3. The multifunctional working platform for tunnel construction according to claim 2, wherein the hoisting mechanism (4) comprises a hoisting winch (41) and a boom (42) connected to the moving gantry (1), the boom (42) is provided with a pulley, and a steel wire rope of the hoisting winch (41) is in sliding fit with the pulley.
4. The multifunctional working platform frame suitable for tunnel construction according to claim 2 or 3, wherein the transportation mechanism (5) comprises a moving track (51) arranged on the moving gantry (1) and a transportation platform (52) arranged on the moving track (51), the transportation platform (52) is connected with the moving track (51) through a transportation moving driving piece, one end of the moving track (51) corresponds to the hoisting mechanism (4) and the other end of the moving track corresponds to the splicing mechanism (6); and a lifting support piece (53) for supporting the steel arch is arranged on the transportation table (52).
5. The multifunctional work bench adapted for tunnel construction according to claim 4, wherein the lifting support member (53) comprises a steel arch brace (531) and a lifting driving member (532) for driving the steel arch brace (531) to be lifted, and one end of the lifting driving member (532) is connected to the steel arch brace and the other end is connected to the transportation platform (51).
6. The multifunctional working platform applicable to tunnel construction according to claim 5, wherein the splicing mechanism (6) comprises an arc-shaped grooved rail (61) for bearing the steel arch, a splicing winch (62) for moving the steel arch and a grabbing manipulator (63) for grabbing the steel arch, and the arc-shaped grooved rail (61), the splicing winch (62) and the grabbing manipulator (63) are all connected to the moving gantry (1); a steel wire rope of the splicing winch (62) is arranged in the arc-shaped groove rail (61) and is in sliding fit with the arc-shaped groove rail (61), and a hook for connecting a steel arch is arranged on the steel wire rope of the splicing winch (62); the grabbing manipulator (63) corresponds to the arc-shaped groove rail (61).
7. The multifunctional work bench adapted for tunnel construction according to claim 6, wherein the gripping robot (63) comprises a telescopic arm and a jaw (631) hinged at the front end of the telescopic arm, and the jaw (631) is connected with the telescopic arm through an elastic member (632); an opening and closing driving piece (633) for driving the clamping jaw (631) to open and close is arranged in the telescopic arm; the telescopic arm comprises a large arm (634) and a small arm (635) partially accommodated in the large arm (634), the small arm (635) is connected with the large arm (634) in a sliding mode, and the small arm (635) is connected with the large arm (634) through a telescopic driving piece (636).
8. The multifunctional working platform applicable to tunnel construction according to any one of claims 1 to 3 and 5 to 7, wherein the movable portal (1) comprises a portal frame (11), a movable platform (12) is arranged at the top of the portal frame (11), a movable mechanism (13) is arranged at the bottom of the portal frame (11), and an operating platform (14) is further arranged on the portal frame (11).
9. The multifunctional work bench suitable for tunnel construction according to claim 8, wherein the concrete guniting device (2) comprises a guniting platform (22) movably connected to the moving gantry (1), and a concrete guniting assembly (21) is arranged on the guniting platform (22); the movable gantry (1) is provided with a guniting movable driving assembly for driving the guniting platform (22) to move, and the guniting movable driving assembly is connected with the guniting platform (22).
10. A multifunctional work bench suitable for tunnel construction according to claim 1 or 9, characterised in that the jumbolter device (3) comprises a jumbolter platform (33) movably connected to the mobile portal (1), the jumbolter platform (33) being provided with a jumbolter assembly (31); and a drilling machine moving driving assembly for driving the jumbolter platform (33) to move is arranged on the moving gantry (1), and the drilling machine moving driving assembly is connected with the jumbolter platform (33).
11. A multi-function work bench suitable for tunnel construction according to claim 10, characterised in that the jumbolter assembly (31) is articulated to the jumbolter platform (33), the jumbolter assembly (31) being further connected to the jumbolter platform (33) by means of a push cylinder (32).
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| CN114294031A (en) * | 2021-11-25 | 2022-04-08 | 中国煤炭科工集团太原研究院有限公司 | Anchor spraying operation mechanism |
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