CN108750967B - Excavation vertical lifting truck - Google Patents
Excavation vertical lifting truck Download PDFInfo
- Publication number
- CN108750967B CN108750967B CN201810792176.3A CN201810792176A CN108750967B CN 108750967 B CN108750967 B CN 108750967B CN 201810792176 A CN201810792176 A CN 201810792176A CN 108750967 B CN108750967 B CN 108750967B
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- China
- Prior art keywords
- telescopic
- lifting
- driving mechanism
- vertical frame
- suspension arm
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
- B66C23/86—Slewing gear hydraulically actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0641—Single levers, e.g. parallel links
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
Abstract
The invention discloses an excavation vertical lifting truck, which comprises a truck main body, a guide rail, a vertical bearing trolley, a telescopic platform, a jacking mechanism and a lifting device. The telescopic platform is arranged at the upper end of the vehicle main body in a telescopic manner, and is connected with a first telescopic driving mechanism capable of driving the telescopic platform to stretch; the jacking mechanism is connected to the telescopic platform and is used for jacking up the vertical frame above the telescopic platform; the lifting device is used for lifting the vertical frame and conveying the vertical frame to the vertical frame carrying trolley; the vertical frame bearing trolley is arranged on the guide rail and can transversely translate and convey the vertical frame along the guide rail, the vertical frame bearing trolley is connected with a translation driving mechanism, and the translation driving mechanism can drive the vertical frame placed on the vertical frame bearing trolley to transversely move and convey the vertical frame to the position above the lifting mechanism in a retraction state. This design integrated level is high, and installation automation degree is high, and the grudging post erects efficiently, reduces manual operation, reduces construction potential safety hazard.
Description
Technical Field
The invention relates to the field of vertical frame installation equipment, in particular to an excavation vertical frame sling cart.
Background
At present, in the excavation process of a tunnel, in order to prevent rocks on the upper wall of the tunnel from dropping or even collapsing, an arc-shaped stand is required to be erected on the tunnel while the tunnel is excavated to support the tunnel, due to the fact that a plurality of steps are arranged in the installation process of the stand, a plurality of machines are usually required to cooperate to complete the tunnel, the accurate cooperation among the machines is required for the handing-over of the stand among the plurality of machines, and due to the fact that the site of the tunnel excavation is relatively complex in topography, the accurate cooperation among the machines is difficult to a certain extent, the erection of the stand is quite troublesome, and in the process of erection, a plurality of workers are required to assist in installation, the installation efficiency is low, and the construction safety hidden danger is caused by excessive manual operation.
Disclosure of Invention
The present invention aims to solve the above technical problems at least to some extent. Therefore, the invention provides the high-efficiency excavation vertical frame sling cart capable of automatically moving and hoisting the vertical frames.
The technical scheme adopted for solving the technical problems is as follows: an excavation vertical lifting truck comprises a truck main body, guide rails, a vertical bearing trolley, a telescopic platform, a jacking mechanism and a lifting device. The bottom of the main body is provided with a rolling part, and the rolling part is connected with a rolling driving mechanism for driving the rolling part to roll; the telescopic platform is arranged at the upper end of the vehicle main body in a telescopic manner, and is connected with a first telescopic driving mechanism capable of driving the telescopic platform to stretch; the jacking mechanism is connected to the telescopic platform and is used for jacking up the vertical frame above the telescopic platform; the lifting device is used for lifting the vertical frame and conveying the vertical frame to the vertical frame carrying trolley; the guide rail is transversely and fixedly arranged on the base frame; the vertical frame bearing trolley is arranged on the guide rail and can transversely translate and convey the vertical frame along the guide rail, the vertical frame bearing trolley is connected with a translation driving mechanism, and the translation driving mechanism can drive the vertical frame placed on the vertical frame bearing trolley to transversely move and convey the vertical frame to the position above the lifting mechanism in a retraction state.
Further, climbing mechanism sliding connection is at flexible platform, climbing mechanism is connected with the slip actuating mechanism that can drive it and slide, climbing mechanism is including the lifting splint that is used for bearing the weight of the grudging post and connect the lift actuating mechanism at lifting splint lower extreme, lift actuating mechanism is used for driving lifting splint and grudging post and rises in order to realize the installation of grudging post.
Further, the bottom of the extending tail end of the telescopic platform is provided with a supporting oil cylinder, the bottom of the middle end of the telescopic platform is provided with telescopic supporting legs, and the supporting legs can be folded on the bottom surface of the telescopic platform.
Further, the lifting driving mechanism comprises a fixed part and a telescopic part which is connected with the fixed part and can stretch out and draw back, and the top end of the telescopic part is connected with the jacking clamping plate; the lifting mechanism further comprises a first limiting plate, a second connecting plate, a first telescopic oil cylinder and a limiting pin, wherein the limiting plate is arranged at the upper end of the fixing part, the first connecting plate is fixedly connected with the limiting plate, a limiting hole matched with the limiting pin is formed in the first connecting plate, the second connecting plate is composed of a connecting side plate and a connecting bottom plate, a yielding hole corresponding to the fixing part is formed in the connecting bottom plate, the yielding hole is inserted into the lower end of the fixing part, the bottom surface of the limiting plate is attached to the connecting bottom plate, a limiting groove corresponding to the limiting hole is formed in the connecting side plate, the limiting pin penetrates into the limiting groove and is connected with the limiting hole in a matched mode, one end of the first telescopic oil cylinder is connected with the second connecting plate, the other end of the first telescopic oil cylinder is connected with the limiting pin, and the lifting clamp plate can move along the limiting groove under the driving of the first telescopic oil cylinder.
Further, the car body comprises a base frame, two side frames and a bottom frame, wherein the two side frames are arranged below two sides of the base frame, the side frames are fixedly connected with the base frame, the bottom of the bottom frame is connected with the rolling part, the bottom frame is connected with the side frames through a second telescopic oil cylinder, and an auxiliary workbench is arranged on the outer sides of the two side frames.
Further, the auxiliary workbench comprises a bedplate and an auxiliary ladder, wherein a first supporting rod, a second supporting rod and a third telescopic oil cylinder are arranged on two sides of the bedplate; the top ends of the two third telescopic cylinders are connected through ladder support rods, and the bottom ends of the two third telescopic cylinders are hinged with the bedplate; one end of the auxiliary ladder is rotationally connected with the ladder supporting rod, and the other end of the auxiliary ladder is contacted with the upper surface of the bedplate; the first support rod one end is articulated with the platen, and the other end is articulated with the one end of second bracing piece, the other end and the ladder bracing piece of second bracing piece rotate to be connected, the flexible hydro-cylinder of third is provided with the first spout that extends along its flexible direction, first bracing piece and second bracing piece articulated department restrict and can remove along first spout under the drive of the flexible hydro-cylinder of third in first spout, the articulated department of flexible hydro-cylinder of third and platen and the articulated department of first bracing piece and platen set gradually along the outside direction of side bearer.
Further, the lifting device comprises a suspension arm and a suspension rope; the bottom end of the suspension arm is hinged on the base frame, the top end of the suspension arm can stretch to change the length of the suspension arm, the suspension arm is connected with a second stretching driving mechanism capable of driving the suspension arm to stretch, and the suspension arm is connected with a rotary driving mechanism capable of driving the suspension arm to rotate around the hinged position; the middle part of the lifting rope is wound at the upper end of the lifting arm, one end of the lifting rope extending vertically around the lifting arm is used for binding the vertical frame, the other end of the lifting rope is connected with a lifting rope retraction driving mechanism, the lifting arm comprises an outer lifting arm and an inner lifting arm, the outer lifting arm is hollow, the center of the outer lifting arm is provided with a center hole, the inner lifting arm is sleeved in the center hole of the outer lifting arm, and the second telescopic driving mechanism is a hydraulic telescopic oil cylinder; one end of the second telescopic driving mechanism is connected to the outer suspension arm, and the other end of the second telescopic driving mechanism is connected to the inner suspension arm.
Further, the rotary driving mechanism is a hydraulic telescopic oil cylinder, one end of the rotary driving mechanism is hinged with the base frame, and the other end of the rotary driving mechanism is movably connected with the outer suspension arm and can slide along the length direction of the outer suspension arm.
Further, the bottom of the outer suspension arm is connected with the base frame through a first hinging seat, the outer suspension arm is hinged with the first hinging seat, and a circle of bolt holes are uniformly formed in the bottom of the first hinging seat so as to be fixed on the base frame through bolts; the rotary driving mechanism is connected with the base frame through a second hinging seat, the rotary driving mechanism is hinged with the second hinging seat, the base frame is provided with an arc track arranged around the first hinging seat, and the second hinging seat is slidably connected on the arc track.
Further, the rolling part is a crawler, and the moving direction of the vertical frame bearing trolley, the telescopic direction of the telescopic platform, the sliding direction of the jacking mechanism and the rolling direction of the rolling part are all in the same direction.
The beneficial effects of the invention are as follows: the lifting device can convey the stand to the stand bearing trolley, the stand is conveyed to the upper part of the jacking mechanism under the action of the stand bearing trolley, the jacking mechanism and the stand are conveyed to the tunnel excavation position along with the extension of the telescopic platform, the stand is jacked up by the final jacking mechanism, the stand is installed on the tunnel upper wall, the whole movement and lifting of the stand are automatically completed by a machine, the stand is installed and fixed after reaching a designated position, the stand bearing trolley enables the lifting device to hoist at the first step of the stand at the tail of the head with abundant space, the stand is not required to hoist at the stand erection position of the head with narrow space, the design can complete all steps of the stand installation, the integration degree is high, the position between the mechanisms is relatively fixed, the degree of automation of the stand installation is high, the stand erection efficiency is high, the manual operation is reduced, and the construction safety hidden trouble is reduced.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a top view of the mounting structure of the present invention;
FIG. 3 is a sectional view taken along G-G of FIG. 2;
FIG. 4 is a right side view of the structure of the present invention;
FIG. 5 is an exploded view of the lift mechanism;
FIG. 6 is an enlarged view at A of FIG. 1;
FIG. 7 is an enlarged view at B of FIG. 1;
FIG. 8 is an enlarged view at C of FIG. 1;
fig. 9 is an enlarged view at D of fig. 1;
FIG. 10 is an enlarged view at E of FIG. 4;
FIG. 11 is another angular schematic view of the mounting structure of the present invention;
fig. 12 is an enlarged view at F of fig. 11.
Detailed Description
The invention will now be described in detail with reference to the drawings and examples.
Referring to fig. 1 to 12, the excavation stand sling cart of the present invention includes a cart body 1, a guide rail 2, a stand carrying cart 3, a telescopic platform 4, a lifting mechanism 5, and a lifting device.
The bottom of the main body 1 is provided with a rolling part 15, and the rolling part 15 is connected with a rolling driving mechanism for driving the rolling part to roll. In this embodiment, the rolling portion 15 adopts a track structure, the rolling driving mechanism is a motor, and the motor drives the track to roll so as to realize the forward or backward movement of the vehicle body 1, however, in other embodiments, the rolling portion 15 may also be a roller type structure, the track is only the preferred embodiment, and not particularly limited, the rolling mode of the track structure can adapt to the rugged road surface, and jolt is reduced, so that the whole device moves more stably.
The guide rail 2 is transversely and fixedly arranged on the vehicle body 1. In this embodiment, for the purpose of carrying and transporting the stand more stably, two guide rails 2 are provided, and the extending direction of the guide rails 2 is consistent with the moving direction of the vehicle body 1, that is, the laying direction of the guide rails 2 is along the extending and excavating direction of the tunnel.
The vertical frame carrying trolley 3 is arranged on the guide rail 2 and can horizontally translate along the guide rail 2 to convey the vertical frame, the vertical frame carrying trolley 3 is connected with a translation driving mechanism, and the translation driving mechanism can drive the vertical frame placed on the vertical frame carrying trolley 3 to horizontally move and convey the vertical frame to the position above the jacking mechanism 5 in a retracted state. Preferably, the main structure of the guide rail 2 is an I-steel, two rows of rollers are arranged at the bottom of the vertical frame bearing trolley 3, and the two rows of rollers are respectively embedded into grooves at two sides of the I-steel to slide. In this embodiment, preferably, the translation driving mechanism is a first hydraulic winch 31, each of the stand-up bearing trolleys 3 is correspondingly provided with a first hydraulic winch 31, two ends of the stand-up bearing trolleys 3 in the sliding direction are connected with first connecting lines, the two corresponding ends of the guide rail 2 are respectively provided with pulleys, the first connecting lines at two ends of the same stand-up bearing trolley 3 respectively bypass the corresponding pulleys and are finally connected to the same first hydraulic winch 31, and the first hydraulic winch 31 is installed on the trolley body 1. The forward and reverse rotation of the first hydraulic winch 31 can control the forward or reverse movement of the vertical carrier trolley 3. Specifically, the upper end of the stand bearing trolley 3 is provided with two vertically arranged first side plates perpendicular to the moving direction of the stand bearing trolley 3, one vertical passageway for placing the stand is formed by the two first side plates, the first side plates and the bottom surface of the passageway are connected with obliquely arranged backup plates, the backup plates are parallel to the vertical arrangement, the two obliquely arranged backup plates are used for bearing the stand, the two first side plates are provided with corresponding bolt holes, and the stand can be fixed in an auxiliary mode through the first side plate connecting bolts.
The telescopic platform 4 is arranged at the upper end of the vehicle main body 1 in a telescopic manner, the telescopic platform 4 is arranged between the two guide rails 2, and the telescopic platform 4 is connected with a first telescopic driving mechanism capable of driving the telescopic platform to stretch out and draw back; in this embodiment, preferably, the first telescopic driving mechanism is a second hydraulic winch 45, the second hydraulic winch 45 is installed on the vehicle body 1, corresponding pulleys are arranged at the front end and the rear end of the telescopic platform 4 of the vehicle body 1, the telescopic platform 4 is respectively connected with two second connecting wires, the two second connecting wires respectively bypass the pulleys at the two ends and are finally connected to the second hydraulic winch 45, and the forward and reverse rotation of the second hydraulic winch 45 can control the telescopic platform 4 to stretch out and draw back. In this embodiment, the connection position between the second connection line and the telescopic platform 4 is preferably in the rear half of the telescopic platform 4, that is, the rear half of the extending direction, but the connection position may be set according to the extending distance of the telescopic platform 4. In order to stabilize the stress of the telescopic platform 4 in the telescopic process, two groups of second hydraulic winches 45, second connecting lines and corresponding pulleys are arranged at intervals in the vertical direction and symmetrically arranged according to the central line of the telescopic platform 4, so that the telescopic stress of the telescopic platform 4 is more uniform. Specifically, the upper end of the vehicle body 1 is provided with two sliding track frames 115, the inner side of the sliding track frames 115 is provided with a row of rollers arranged along the telescopic direction, two sides of the telescopic platform 4 are provided with channel steels matched with the rollers, and the channel steels at two sides of the telescopic platform 4 are embedded on the rollers at two sides to realize movement. Of course, in other embodiments, there are many ways to connect the telescopic platform 4 and the main body 1, as long as the telescopic platform 4 is slidingly connected to the main body 1 to implement the telescopic function.
The jacking mechanism 5 is connected to the telescopic platform 4, and the jacking mechanism 5 is used for jacking up the vertical frame above the telescopic platform; the lifting device is used for lifting the vertical frame and conveying the vertical frame to the vertical frame carrying trolley 3. The retraction state of the jack mechanism 5 is the state from the time when the jack mechanism 5 slides to the left end shown in fig. 2 until the jack mechanism cannot slide.
The person only needs to tie up the grudging post to hoisting accessory, and hoisting accessory can send the grudging post to on the grudging post bears dolly 3, and the grudging post bears the dolly 3 under the effect of pushing up the mechanism 5, and pushing up mechanism 5 and grudging post send tunnel excavation department along with stretching out of flexible platform 4 again, and finally pushing up mechanism 5 jack up the grudging post, install the grudging post at the tunnel upper wall.
In order to support the telescopic platform 4 without external equipment, the bottom of the extending end of the telescopic platform 4 is provided with a support cylinder 41, that is, the support cylinder 41 is arranged at the bottom of the front end of the extending direction of the telescopic platform 4. The support cylinder 41 can be adjusted in height according to the distance from the ground and can bear a high load. In the present embodiment, the support cylinders 41 are provided in two, respectively provided on both sides. In order to make telescopic platform 4 support more steady, the atress is more even, telescopic supporting leg 42 is provided with in the bottom of telescopic platform 4 middle-end, and supporting leg 42 bottom is screw jack, can adjust height according to actual conditions, for supporting leg 42 does not hinder telescopic platform 4's the retract, supporting leg 42 is collapsible in telescopic platform 4 bottom surface, specifically, as shown in fig. 12, supporting leg 42 top is connected with telescopic platform 4, and the lateral part that supporting leg 42 top is close to telescopic platform 4 middle part is articulated with telescopic platform 4 through the hinge, and the supporting leg 42 top is provided with the bolt hole, and telescopic platform 4 is provided with corresponding bolt hole, and when supporting leg 42 struts, supporting leg 42 top butt is in telescopic platform 4 bottom surface, and the bolt hole aligns, can fix through the bolt of matching. When the telescopic platform is contracted, the bolts are disassembled again to retract the supporting legs 42, and the two supporting legs 42 are arranged on two sides of the telescopic platform 4 respectively. In this embodiment, in order to realize automatic contraction of the supporting leg 42, a tightener 43 is disposed at the bottom of the telescopic platform 4, the tightener 43 is connected with the bottom end of the supporting leg 42 through a contraction rope 44, and the tightener 43 can fold the supporting leg 42 on the bottom surface of the telescopic platform 4 by recovering the contraction rope 44.
When the telescopic platform 4 is extended, the supporting cylinder 41 and the supporting leg are not yet functional, and the telescopic platform 4 may be unstable due to the weight of one stand. In this embodiment, therefore, for smooth operation of the device, the lifting mechanism 5 is slidably connected to the telescopic platform 4, and the lifting mechanism 5 is connected to a sliding driving mechanism capable of driving the lifting mechanism to slide.
The sliding driving mechanism is a third hydraulic winch, and is connected with the third hydraulic winch by bypassing a third pulley arranged at two ends of the telescopic platform 4 through a third connecting line at two sides of the jacking mechanism 5 in a similar driving mode to the telescopic platform 4. And in order to balance and stabilize the conveying vertical frame, the third hydraulic winch, the third pulley and the third connecting line are provided with two groups and are arranged at intervals along the vertical direction.
Therefore, the lifting mechanism 5 can not lift up to bear the stand firstly, the telescopic platform 4 stretches to the designated position firstly, after the supporting oil cylinder 41 and the supporting leg 42 all start to act, the lifting mechanism 5 bears the stand above the lifting mechanism again and moves the stand to the corresponding position, and the load of the stand acts on the supporting oil cylinder 41 and the supporting leg 42, so that the stable stress of the device is realized, and the whole device works more stably. Specifically, the lifting mechanism 5 includes a lifting clamping plate 51 for carrying the vertical frame, and a lifting driving mechanism 52 connected to the lower end of the lifting clamping plate 51. The jacking splint 51 upper end is provided with two second curb plates and a swash plate constitution of matching grudging post, and two second curb plates are perpendicular and the interval sets up with the slip direction of climbing mechanism 5, and the swash plate slope sets up in the middle of two second curb plates and sets up perpendicularly with two second curb plates, and the grudging post bears on the swash plate of both sides and carries out supplementary fixing through the bolt of hole installation on the second curb plate, and in order for the swash plate to bear the gravity of grudging post, the swash plate below is plugged into has the skid, and swash plate and skid are provided with corresponding bolt hole in order to pass through the bolt fastening.
The lifting driving mechanism 52 is used for driving the lifting clamping plate 51 and the vertical frame to ascend so as to realize the installation of the vertical frame, the lifting driving mechanism 52 is a hydraulic cylinder, and for lifting the vertical frame more stably and applying force more uniformly, the lifting clamping plate 51 and the lifting driving mechanism 52 are provided with two lifting driving mechanisms, and the lifting driving mechanisms are respectively arranged on two sides of the lifting mechanism 5 in the sliding direction. Of course, due to the interference of the supporting oil cylinder 41, the telescopic platform 4 cannot fully retract onto the carriage main body 1, so that the guide rail 2 extends beyond the base frame 11 at the end corresponding to the extending end of the telescopic platform 4, i.e. the right end of fig. 2, so that the track of the carriage 3 and the track of the lifting mechanism 5 have an overlapping area to realize the connection of the stand.
Next, a specific structure of the jacking mechanism 5 will be described, as shown in fig. 5 and 8, the lifting driving mechanism 52 includes a fixing portion 522 and a telescopic portion 521 connected to the fixing portion 522 and capable of extending and retracting, the top end of the telescopic portion 521 is connected to the jacking clamping plate 51, the fixing portion 522 is an oil cylinder barrel of a hydraulic oil cylinder, and the telescopic portion 521 is an oil cylinder rod of the hydraulic oil cylinder; the jacking mechanism 5 further comprises a first connecting plate 57, a second connecting plate 53, a first telescopic oil cylinder 55 and a limiting pin 54, a limiting plate 522a is arranged at the upper end of the fixing portion 522, the first connecting plate 57 is fixedly connected with the limiting plates 522a on two sides, the limiting plates 522a are provided with two limiting holes 57a which are arranged at intervals in the sliding direction of the jacking mechanism 5 and are matched with the limiting pins 54 for structural balance, and each first connecting plate 57 is provided with a limiting hole 57a which is matched with the limiting pin 54. The second connecting plate 53 is composed of two connecting side plates and a connecting bottom plate, the two connecting side plates are arranged at intervals along the sliding direction of the jacking mechanism 5, the connecting bottom plate is provided with a yielding hole 53c corresponding to the fixing portion 522, the lower end of the fixing portion 522 is inserted into the yielding hole 53c, the bottom surface of the limiting plate 522a is attached to the connecting bottom plate, the size of the yielding hole 53c is smaller than that of the limiting plate 522a and larger than that of the fixing portion 522, the fixing portion 522 can move a certain distance in the yielding hole 53c, the two connecting side plates are provided with limiting grooves 53a corresponding to the limiting holes 57a, the limiting grooves 53a vertically extend, the two first connecting plates 57 are arranged in the middle of the two connecting side plates, the limiting pin 54 penetrates into the limiting grooves 53a and is connected with the limiting holes 57a in a matched mode, the first telescopic cylinder 55 is arranged in the middle of the two first connecting plates 57, one end of the first telescopic cylinder 55 is connected with the second connecting plate 53, and the other end of the first telescopic cylinder 55 is connected with the limiting pin 54, and specifically, the first telescopic cylinder 55 is hinged to the first hinge pair 53b on the second connecting plate 53. The telescopic direction of the first telescopic cylinder 55 is vertical. The two lifting driving mechanisms 52, the lifting clamping plates 51 and the two first connecting plates 57 are driven by the first telescopic oil cylinders 55 to vertically move so as to adjust the installation position of the stand. In addition, the pulley frames 56 are arranged on two sides of the lower end of the second connecting plate 53, the jacking rollers 56a are arranged on the inner sides of the two pulley frames 56 opposite to each other, and the jacking rollers 56a on two sides are embedded into the channel steel on two sides of the telescopic platform 4 to realize rolling movement. In this embodiment, in order to reduce the overall volume of the apparatus, it is preferable that the moving direction of the stand carriage 3, the extending and contracting direction of the extending and contracting platform 4, the sliding direction of the jack mechanism 5, and the rolling direction of the rolling portion 15 are all in the same direction.
The specific structure of the vehicle body 1 will be described with reference to fig. 1, 3 and 4, the vehicle body 1 includes a base frame 11, two side frames 12 disposed below two sides of the base frame 11, and a bottom frame 14, the side frames 12 are disposed at two sides of the base frame 11 in a moving direction relative to the rolling portion 15, the side frames 12 are fixedly connected to the base frame 11, the bottom of the bottom frame 14 is connected to the rolling portion 15, the telescopic platform 4 and the guide rail 2 are both disposed on the base frame 11, the base frame 11 is provided with a main working table 111 between the two guide rails 2, the bottom frame 14 and the side frames 12 are connected through a second telescopic cylinder 16, and in normal case, the second telescopic cylinder 16 does not act, and the bottom of the side frame 12 is in direct contact with the bottom frame 14 to transmit load. When the base frame 11 needs to be lifted to adapt to tunnels with different heights, the second telescopic oil cylinder 16 starts to act, so that the side frame 12 and the base frame 11 are lifted integrally. The outer sides of the two side frames 12 are fixedly provided with auxiliary work tables 13, and the two auxiliary work tables 13 can be used for adjusting, installing and fixing the parts on the two sides of the vertical frame by workers.
The preferred structure of the auxiliary workbench 13 is described below by way of fig. 3, 4, 9 and 10, the auxiliary workbench 13 comprising a bedplate 131 and an auxiliary ladder 135, a high platform 137 being provided above the bedplate 131, the high platform 137 and the bedplate 131 being connected by means of corresponding ladders. The bedplate 131 is provided with a first supporting rod 132, a second supporting rod 136 and a third telescopic oil cylinder 133 on two vertical sides; the top ends of the two third telescopic cylinders 133 are connected through ladder support rods 134, and the bottom ends of the two third telescopic cylinders are hinged with the bedplate 131; one end of the auxiliary ladder 135 is rotatably connected with the ladder support rod 134, and the other end is contacted with the upper surface of the bedplate 131; the first support rod 132 has one end hinged to the bedplate 131 and the other end hinged to one end of the second support rod 136, the other end of the second support rod 136 is rotatably connected to the ladder support rod 134, the third telescopic cylinder 133 is provided with a first sliding groove 1331 extending along the telescopic direction of the third telescopic cylinder 133, the hinged position of the first support rod 132 and the second support rod 136 is limited in the first sliding groove 1331 and can move along the first sliding groove 1331 under the driving of the third telescopic cylinder 133, and the hinged position of the third telescopic cylinder 133 and the bedplate 131 and the hinged position of the first support rod 132 and the bedplate 131 are sequentially arranged along the outward direction of the side frame 12, namely vertically. Specifically, the first support bar 132 is hinged with the second support bar 136 by a connection shaft which is inserted into the first sliding slot 1331 and can move along the first sliding slot 1331. The third telescopic cylinder 133 comprises an oil cylinder barrel and a telescopic cylinder rod, the first sliding chute 1331 is arranged on the oil cylinder barrel, the oil cylinder barrel is hinged with the bedplate 131, the cylinder rod is connected with the ladder supporting rod 134, and the bedplate 131 is provided with a yielding folding hole 1311 below the corresponding first supporting rod 132 and the third telescopic cylinder 133. When the third telescopic cylinder 133 stretches, the connecting shaft of the second support rod 136 and the first support rod 132 is driven to slide outwards along the first sliding groove 1331, the first support rod 132 is driven to rotate upwards, the third telescopic cylinder 133 is tilted upwards, the ladder support rod 134 is driven to lift upwards, the auxiliary ladder 135 is lifted obliquely, the angle of lifting of the auxiliary ladder can be controlled by the third telescopic cylinder 133, and the auxiliary ladder can be manually stood for completing the operation.
The preferred construction of the hoisting device comprising the boom 6 and the hoisting rope 9 is described in detail below from fig. 1, 3, 6 and 7; the bottom end of the suspension arm 6 is hinged on the base frame 11, and the suspension arm 6 is connected with a rotary driving mechanism 8 capable of driving the suspension arm to rotate around the hinged position; in order to realize more stress points and more uniform stress when the vertical frame is lifted, the two suspension arms 6 are arranged at two vertical intervals, and the two suspension arms 6 are respectively arranged on the two outer sides of the guide rail 2, namely, the two guide rails 2 are arranged between the two suspension arms 6. In order to better adjust the vertical position of the lifting arm 6, the top end of the lifting arm 6 can stretch to change the length of the lifting arm 6, and the lifting arm 6 is connected with a second stretching driving mechanism 7 capable of driving the lifting arm to stretch. Specifically, the suspension arm 6 includes an outer suspension arm 61 and an inner suspension arm 62, the outer suspension arm 61 is hollow with a central hole in the center, the inner suspension arm 62 is sleeved in the central hole of the outer suspension arm 61 and can stretch and retract along the length direction of the inner suspension arm 62, and the second stretching driving mechanism 7 is a hydraulic stretching cylinder; the second telescopic driving mechanism 7 has one end connected to the outer boom 61 and the other end connected to the inner boom 62, and the second telescopic driving mechanism 7 is connected to the upper end position of the inner boom 62 so that the inner boom 62 can be retracted more into the outer boom 61. The rotary driving mechanism 8 is a hydraulic telescopic cylinder, one end of the rotary driving mechanism 8 is hinged to the base frame 11, the other end of the rotary driving mechanism is movably connected with the outer boom 61 and can slide along the length direction of the outer boom 61, specifically, two steel plates provided with boom sliding grooves 612 are arranged on the side surface of the outer boom 61 at intervals, the extending direction of the boom sliding grooves 612 is the length direction of the boom 6, connecting holes are formed in the top ends of the rotary driving mechanism 8, the connecting holes are embedded in the middle of the two steel plates and aligned with the boom sliding grooves 612, pin rods are arranged in the connecting holes and the boom sliding grooves 612 in an inserted mode, the rotary driving mechanism 8 is fixedly connected with the pin rods or rotatably connected with the pin rods through the connecting holes, and the limiting rods can move in the sliding grooves to drive one ends of the rotary driving mechanism 8 to move along the sliding grooves. In order to adjust the boom 6 to a certain angle to adapt to the vertical frames with different specifications, the bottom of the outer boom 61 is connected with the base frame 11 through a first hinging seat 112, the outer boom 61 is hinged with the first hinging seat 112, and a circle of bolt holes are uniformly formed in the bottom of the first hinging seat 112 so as to be fixed on the base frame 11 through bolts; the rotary driving mechanism 8 is connected with the base frame 11 through a second hinging seat 113, the rotary driving mechanism 8 is hinged with the second hinging seat 113, the base frame 11 is provided with an arc-shaped track 114 arranged around the first hinging seat 112, the curvature center of the arc-shaped track 114 falls on the axis of the first hinging seat 112, and the second hinging seat 113 is slidably connected on the arc-shaped track 114. When the angle needs to be adjusted, the first hinge seat 112 can be fixed by bolts after being disassembled and rotated by a corresponding angle, the second hinge seat 113 can move on the arc-shaped track 114 to adapt to the first hinge seat 112 after the angle is adjusted, the first hinge seat 112 and the second hinge seat 113 are arranged at intervals along the moving direction of the vertical frame carrying trolley 3, and the second hinge seat 113 is arranged at a position close to the end part of the base frame 11, namely, the left end of fig. 3.
The middle part of the lifting rope 9 is wound on the upper end of the suspension arm 6, one end of the lifting rope 9 which extends vertically around the suspension arm 6 is used for being bound with a stand, and the other end of the lifting rope 9 is connected with a lifting rope winding and unwinding driving mechanism 91; for the lifting rope 9 to be more smoothly wound and unwound, the resistance is reduced, the upper end of the side wall of the inner suspension arm 62 is provided with a first pulley 624, the edge of the upper end of the side wall is provided with a first wire passing groove 622 corresponding to the first pulley 624, the edge of the upper end of the side wall opposite to the side wall is provided with a second wire passing groove 621 corresponding to the first wire passing groove 622, the lifting rope 9 sequentially bypasses the first pulley 624, the second wire passing groove 621 and the first wire passing groove 622 from the lifting rope winding and unwinding driving mechanism 91 and finally vertically extends to be used for connecting a vertical frame, a column 626 for reducing the friction resistance is further arranged between the second wire passing groove 621 and the first wire passing groove 622, and the column 626 is higher than the bottoms of the second wire passing groove 621 and the first wire passing groove 622. The lifting rope 9 is sequentially wound on the lifting rope winding and unwinding driving mechanism 91, the first pulley 624, the second wire passing groove 621 and the first wire passing groove 622, and the extending direction is along the rotation direction driven by the lifting arm 6 under the condition that the rotation driving mechanism 8 is contracted. In order to better reduce the resistance to the lifting rope 9, the lower end of the side of the outer boom 61 on the same side as the first pulley 624 is provided with a second pulley 611. In the present embodiment, the hoist rope winding and unwinding driving mechanism 91 is a hoist. The boom 6 can be matched with the lifting rope 9 and the winch under the action of the rotary driving mechanism 8 to convey the vertical frame to the vertical frame carrying trolley from the side lower part of the base frame 11, and the second telescopic driving mechanism 7 is only used for adjusting the alignment of the vertical frame carrying trolley more easily, and when the boom 6 is folded on the base frame 11 and is not used, the boom 6 does not protrude out of the base frame 11 and is hidden on the base frame 11.
The transverse direction is the extending direction of the guide rail, namely the left and right directions of the view angles of fig. 2 and 3, the vertical direction is the up and down direction of the view angle of fig. 2, and the vertical direction is perpendicular to the transverse direction and the plumb direction, namely the lifting direction. In this embodiment, the moving direction of the stand carriage 3, the telescopic direction of the telescopic platform 4, the sliding direction of the jack-up mechanism 5, and the rolling direction of the rolling portion 15 are all transverse.
The device is automatically controlled, and all power supply devices such as the motors, the driving mechanisms, the windlass, the oil cylinders, the hydraulic winch, the tightener and the like are all connected with a control system, and the control system controls the work of the whole machine by controlling the power device, so that the device has high automation degree.
The working principle of the device is as follows:
when the device is in an operation starting state, the vertical frame carrying trolley 3 is positioned at the left end of the guide rail 2 as shown in fig. 2, the rotary driving mechanism 8 is in a contracted state, the suspension arm 6 is also folded on the base frame 11, the suspension arm 6 is almost parallel to the horizontal plane, the second telescopic driving mechanism 7 is in an extended state, the top end of the suspension arm 6 exceeds the base frame 11 and the guide rail 2, the vertical frame is tied on the lifting rope 9, then the lifting rope winding and unwinding driving mechanism 91 drives the lifting rope 9 to contract, the vertical frame is lifted to a certain height, then the rotary driving mechanism 8 starts to stretch to prop up the suspension arm 6, the suspension arm 6 drives the vertical frame to rotate above the base frame 11, meanwhile, the second telescopic driving mechanism 7 also starts to contract, the vertical frame is aligned with the vertical frame carrying trolley 3 under the action of the rotary driving mechanism 8 and the second telescopic driving mechanism 7, then the lifting rope winding and unwinding driving mechanism 91 starts to unwind the lifting rope, the vertical frame is lowered onto the vertical frame carrying trolley 3, and then the rotary driving mechanism 8 and the second telescopic driving mechanism 7 are reset, and the suspension arm 6 is wound on the base frame 11. The stand carrying trolley 3 then drives the stand to move to the right. Until the stand moves above the jacking mechanism 5 in the retracted state, then the jacking mechanism 5 is not moved, the telescopic platform 4 stretches out, and the support cylinder 41 and the support leg 42 are spread to support the telescopic platform 4. Then the lifting clamp plate 51 is lifted a certain distance to receive the stand above the stand bearing trolley 3, when the stand is separated from the limitation of the stand bearing trolley 3, the lifting mechanism 5 integrally moves rightwards until reaching a designated installation position, the lifting clamp plate 51 starts to lift the stand to the inner wall of the tunnel, and then the telescopic platform 4 is manually standing to install and fix the top end position of the stand. It is not sufficient to install and fix only the top end position of the stand, and as the tunnel is extended, the constructor may stand up the auxiliary ladder 135 or the upper stage 137 to install and fix only the portions on both sides of the stand where the top end was previously installed and fixed.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present invention should be covered in the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides an excavation grudging post sling cart which characterized in that: comprises a main body (1), a guide rail (2), a vertical support trolley (3), a telescopic platform (4), a jacking mechanism (5) and a lifting device; the bottom of the main body (1) is provided with a rolling part (15), and the rolling part (15) is connected with a rolling driving mechanism for driving the rolling part to roll;
the telescopic platform (4) is arranged at the upper end of the vehicle main body (1) in a telescopic manner, and the telescopic platform (4) is connected with a first telescopic driving mechanism capable of driving the telescopic platform to stretch out and draw back;
the jacking mechanism (5) is connected to the telescopic platform (4), and the jacking mechanism (5) is used for jacking up the stand above the telescopic platform;
the lifting device is used for lifting the vertical frame and conveying the vertical frame to the vertical frame carrying trolley (3);
the guide rail (2) is transversely and fixedly arranged on the vehicle main body (1);
the vertical frame carrying trolley (3) is arranged on the guide rail (2) and can transversely translate and convey the vertical frame along the guide rail (2), the vertical frame carrying trolley (3) is connected with a translation driving mechanism, and the translation driving mechanism can drive the vertical frame arranged on the vertical frame carrying trolley (3) to transversely move and convey the vertical frame to the position above the jacking mechanism (5) in a retracted state;
the lifting mechanism (5) is connected to the telescopic platform (4) in a sliding manner, the lifting mechanism (5) is connected with a sliding driving mechanism capable of driving the lifting mechanism to slide, the lifting mechanism (5) comprises a lifting clamping plate (51) for bearing the vertical frame and a lifting driving mechanism (52) connected to the lower end of the lifting clamping plate (51), and the lifting driving mechanism (52) is used for driving the lifting clamping plate (51) and the vertical frame to ascend so as to realize the installation of the vertical frame;
the bottom of the extending tail end of the telescopic platform (4) is provided with a supporting oil cylinder (41), the bottom of the middle end of the telescopic platform (4) is provided with telescopic supporting legs (42), and the supporting legs (42) can be folded on the bottom surface of the telescopic platform (4);
the lifting driving mechanism (52) comprises a fixed part (522) and a telescopic part (521) which is connected with the fixed part (522) and can be telescopic, and the top end of the telescopic part (521) is connected with the jacking clamping plate (51); the lifting mechanism (5) further comprises a first connecting plate (57), a second connecting plate (53), a first telescopic oil cylinder (55) and a limiting pin (54), wherein the upper end of the fixing part (522) is provided with a limiting plate (522 a), the first connecting plate (57) is fixedly connected with the limiting plate (522 a), the first connecting plate (57) is provided with a limiting hole (57 a) matched with the limiting pin (54), the second connecting plate (53) is composed of a connecting side plate and a connecting bottom plate, the connecting bottom plate is provided with a yielding hole (53 c) corresponding to the fixing part (522), the lower end of the fixing part (522) is inserted into the yielding hole (53 c) and the bottom surface of the limiting plate (522 a) is attached to the connecting bottom plate, the connecting side plate is provided with a limiting groove (53 a) corresponding to the limiting hole (57 a), one end of the first telescopic oil cylinder (55) is connected with the second connecting plate (53) in a matched mode, the other end of the first telescopic oil cylinder (55) is connected with the limiting pin (54), and the first telescopic oil cylinder (55) can move along the limiting groove (51 a) under the lifting plate.
2. The excavation stand sling cart of claim 1, wherein: the vehicle body (1) comprises a base frame (11), two side frames (12) and a bottom frame (14), wherein the two side frames (12) and the bottom frame (14) are arranged below two sides of the base frame (11), the side frames (12) are fixedly connected with the base frame (11), the bottom of the bottom frame (14) is connected with a rolling part (15), the bottom frame (14) is connected with the side frames (12) through a second telescopic oil cylinder (16), and an auxiliary workbench (13) is arranged on the outer sides of the two side frames (12).
3. The excavation stand sling cart of claim 2, wherein: the auxiliary workbench (13) comprises a bedplate (131) and an auxiliary ladder (135), wherein a first supporting rod (132), a second supporting rod (136) and a third telescopic oil cylinder (133) are arranged on two sides of the bedplate (131); the top ends of the two third telescopic cylinders (133) are connected through ladder support rods (134), and the bottom ends of the two third telescopic cylinders are hinged with the bedplate (131); one end of the auxiliary ladder (135) is rotatably connected with the ladder supporting rod (134), and the other end of the auxiliary ladder is contacted with the upper surface of the bedplate (131); the first support rod (132) one end is articulated with platen (131), and the other end is articulated with the one end of second support rod (136), the other end and the ladder bracing piece (134) of second support rod (136) rotate to be connected, third flexible hydro-cylinder (133) are provided with first spout (1331) that extend along its flexible direction, first bracing piece (132) and second support rod (136) articulated department restrict in first spout (1331) and can follow first spout (1331) and remove under the drive of third flexible hydro-cylinder (133), third flexible hydro-cylinder (133) articulated department and first bracing piece (132) articulated department with platen (131) set gradually along the outside direction of side bearer (12).
4. A lifting sling cart for excavating a stand as defined in claim 3 wherein: the lifting device comprises a suspension arm (6) and a suspension rope (9); the bottom end of the suspension arm (6) is hinged on the base frame (11), the top end of the suspension arm (6) can stretch to change the length of the suspension arm (6), the suspension arm (6) is connected with a second stretching driving mechanism (7) capable of driving the suspension arm to stretch, and the suspension arm (6) is connected with a rotating driving mechanism (8) capable of driving the suspension arm to rotate around the hinged position; the middle part of the lifting rope (9) is wound at the upper end of the suspension arm (6), one end, which vertically extends, of the lifting rope (9) around the suspension arm (6) is used for binding a vertical frame, the other end is connected with a lifting rope winding and unwinding driving mechanism (91), the suspension arm (6) comprises an outer suspension arm (61) and an inner suspension arm (62), the outer suspension arm (61) is hollow, a central hole is formed in the center of the outer suspension arm (61), the inner suspension arm (62) is sleeved in the central hole of the outer suspension arm (61), and the second telescopic driving mechanism (7) is a hydraulic telescopic oil cylinder; one end of the second telescopic driving mechanism (7) is connected with the outer suspension arm (61), and the other end of the second telescopic driving mechanism is connected with the inner suspension arm (62).
5. The excavation stand sling cart of claim 4, wherein: the rotary driving mechanism (8) is a hydraulic telescopic oil cylinder, one end of the rotary driving mechanism (8) is hinged with the base frame (11), and the other end of the rotary driving mechanism is movably connected with the outer suspension arm (61) and can slide along the length direction of the outer suspension arm (61).
6. The excavation stand sling cart of claim 5, wherein: the bottom of the outer suspension arm (61) is connected with the base frame (11) through a first hinging seat (112), the outer suspension arm (61) is hinged with the first hinging seat (112), and a circle of bolt holes are uniformly formed in the bottom of the first hinging seat (112) so as to be fixed on the base frame (11) through bolts; the rotary driving mechanism (8) is connected with the base frame (11) through a second hinging seat (113), the rotary driving mechanism (8) is hinged with the second hinging seat (113), the base frame (11) is provided with an arc-shaped track (114) which is arranged around the first hinging seat (112), and the second hinging seat (113) is slidably connected on the arc-shaped track (114).
7. The excavation stand sling cart of claim 1, wherein: the rolling part (15) is a crawler, and the moving direction of the vertical frame bearing trolley (3), the telescopic direction of the telescopic platform (4), the sliding direction of the jacking mechanism (5) and the rolling direction of the rolling part (15) are all in the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792176.3A CN108750967B (en) | 2018-07-18 | 2018-07-18 | Excavation vertical lifting truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792176.3A CN108750967B (en) | 2018-07-18 | 2018-07-18 | Excavation vertical lifting truck |
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| CN108750967A CN108750967A (en) | 2018-11-06 |
| CN108750967B true CN108750967B (en) | 2023-08-15 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112661042A (en) * | 2020-12-16 | 2021-04-16 | 广东博智林机器人有限公司 | Hoisting device, transportation system and production line system |
| CN112984299B (en) * | 2021-02-05 | 2022-09-09 | 保利长大海外工程有限公司 | Construction machine table capable of moving stably |
| CN115612773B (en) * | 2022-10-31 | 2024-02-02 | 北京中冶设备研究设计总院有限公司 | Single-drive cover moving device |
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| CN108275579A (en) * | 2018-01-31 | 2018-07-13 | 中铁隧道集团二处有限公司 | Pipeline fast dismounting device in a kind of tunnel |
| CN208747510U (en) * | 2018-07-18 | 2019-04-16 | 湖南进军隧道智能装备有限公司 | A kind of excavation stand sling cart |
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| Publication number | Publication date |
|---|---|
| CN108750967A (en) | 2018-11-06 |
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