CN113914233A - Large-span steel construction cantilever construction is with drawing frame - Google Patents
Large-span steel construction cantilever construction is with drawing frame Download PDFInfo
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- CN113914233A CN113914233A CN202110853590.2A CN202110853590A CN113914233A CN 113914233 A CN113914233 A CN 113914233A CN 202110853590 A CN202110853590 A CN 202110853590A CN 113914233 A CN113914233 A CN 113914233A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 238000010276 construction Methods 0.000 title claims abstract description 38
- 230000003139 buffering effect Effects 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 19
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
Abstract
The invention discloses a pulling frame for construction of a large-span steel structure cantilever, which comprises: the pull frame device comprises a first pull frame and a second pull frame, wherein the first pull frame is internally connected with an extension steel plate, one side of the extension steel plate is connected with the second pull frame, one side of the first pull frame is provided with a fixing plate, and one side of the fixing plate is connected with a first fixing supporting rod. Operating personnel need extend the length that draws the frame, because of supporting first fixed branch at the supporting shoe, make it act as the ground and assume the cantilever, there is first frame that draws through fixed plate threaded connection on the top of first fixed branch, make first frame that draws conveniently install fixedly, be connected with the extension steel sheet through the activity groove in the inside of first frame that draws, and the second frame that draws has been cup jointed on the surface that extends the steel sheet, the second draws the surface of frame to install fixedly through fixing bolt, conveniently install flexible, thereby reached and be convenient for draw the frame to stretch out and draw back, and be convenient for carry out the effect of fixing.
Description
Technical Field
The invention relates to the technical field of cantilever construction, in particular to a pulling frame for large-span steel structure cantilever construction.
Background
The cantilever construction method is a construction method that working platforms are arranged on two sides of a pier, beam sections are cast or assembled to a span centre cantilever section by section in a balanced manner until a bridge span structure is closed, and can be divided into two types of cantilever casting and cantilever assembly.
A large-span steel construction cantilever construction is with drawing frame among the prior art, during the use, operating personnel need carry out certain support connection with the drawing frame of device, but the length of drawing the frame is comparatively fixed for most of, the inconvenient use that carries out multiple cantilever. Therefore, there is a need for a pulling frame for construction of a large-span steel structure cantilever, so as to at least partially solve the problems in the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
In order to at least partially solve the above problems, the present invention provides a tension frame for construction of a large-span steel structure cantilever, comprising: draw the frame device, draw the frame device to draw the frame including first drawing frame, second, the internal connection that first draws the frame has the extension steel sheet, and one side of extending the steel sheet is connected with the second and draws the frame, first one side that draws the frame is provided with the fixed plate, one side of fixed plate is connected with first fixed branch, first fixed branch's bottom is passed through the fixed block and is connected in the bracer, and be provided with a plurality of L type branches of invering on the fixed block, L type branch with first fixed branch connects.
According to the pulling frame for the construction of the large-span steel structure cantilever, one side of the second pulling frame is provided with the rope blocking mechanism, the rope blocking mechanism comprises the rope blocking plate, the motor box, the fixing ring, the servo motor, the winding rod and the rough steel wire rope, the motor box is connected to the middle of one side of the rope blocking plate, the fixing ring is arranged on one side of the inner wall of the motor box, the servo motor is arranged inside the fixing ring, the output end of the servo motor is connected with the rotating rod, the surface of the rotating rod is connected with the winding rod through the friction block, the rough steel wire rope is connected to one side of the surface of the winding rod, and the limiting insertion hole is formed in the winding rod.
According to the pulling frame for the construction of the large-span steel structure cantilever, the surface of the rotating rod is provided with the installation disc, one side of the surface of the installation disc is connected with the pressing plate, one side of the pressing plate is provided with the fixed connecting plate, one side of the fixed connecting plate is provided with the limiting insertion plate, one side of the fixed connecting plate is connected with the compression spring, the compression spring is located on one side of the limiting insertion plate, the installation disc is internally provided with the connecting groove, and the limiting insertion plate is matched with the limiting insertion hole.
According to the pulling frame for the construction of the large-span steel structure cantilever, the installation inserting box is arranged on one side of the surface of the first fixing support rod, the steel beam is arranged inside the installation inserting box, the second fixing support rod is arranged on one side of the steel beam through the inserting box, and the reinforcing rod is arranged at the top end of the second fixing support rod.
According to the pulling frame for the construction of the large-span steel structure cantilever, the surface of the steel beam is provided with the movable operation frame through the sleeve ring, and the top of the movable operation frame is provided with the transparent glass.
According to the pulling frame for the construction of the large-span steel structure cantilever, the mounting bracket is arranged on one side of the surface of the movable operation frame, and the operation plate is arranged on the inner bottom wall of the movable operation frame.
According to the pulling frame for the construction of the large-span steel structure cantilever, one side of the mounting bracket is provided with the mounting plate, and one side of the surface of the mounting plate is provided with the anti-skid sleeve plate.
According to the pull frame for construction of the large-span steel structure cantilever, the support block is internally provided with the buffer module, the buffer module is connected with the bottom of the fixed block, the buffer module comprises a first flat base plate, a second flat base plate, a middle vertical cylinder, a middle buffer mechanism and a third fixed plate, the second flat base plate is arranged on the first flat base plate, the middle vertical cylinder is arranged on the second flat base plate, the third fixed plate is arranged on the middle vertical cylinder, the first flat base plate is provided with a first guide hole, the second flat base plate is provided with a second guide hole corresponding to the first guide hole, the middle buffer mechanism comprises an upper fixed rod, a middle plate, a lower fixed rod and a middle buffer part, the lower fixed rod is arranged at the bottom of the middle plate and extends into the first guide hole through the first guide sleeve in the second guide hole, the upper fixing rod is arranged at the top of the middle plate, penetrates out of the third fixing plate and is connected with the bottom of the fixing block, the middle buffering part comprises a first spring, a second spring, a plurality of spring supporting pipes and a plurality of elastic disc pieces, the first spring and the second spring are sequentially sleeved outside the lower fixing rod, the upper end of the first spring and the upper end of the second spring are propped against two upper clamping grooves at the bottom of the middle plate, the lower end of the first spring and the lower end of the second spring are propped against two lower clamping grooves at the top of the second flat base plate, the spring supporting pipes and the elastic disc pieces are sequentially sleeved on the lower fixing rod and are positioned in the second spring, the elastic disc pieces are clamped between the two adjacent spring supporting pipes and comprise a first disc inner pipe, a second disc inner pipe and a first disc body, the first disc inner tube and the second disc inner tube are respectively arranged at the upper end and the lower end of the first disc body and are sleeved in the spring supporting tube, and a plurality of third guide holes are formed in the first disc body.
According to the pulling frame for the construction of the large-span steel structure cantilever, a plurality of gun-preventing blocks are arranged on the middle plate, a first auxiliary buffer part and a plurality of second auxiliary buffer parts are arranged at the bottom of the third fixing plate, the first auxiliary buffer part is arranged on the upper fixing rod and comprises an upper disc inner tube, a lower disc inner tube, a middle ring piece and two second disc bodies, the upper disc inner tube is arranged at the bottom of the third fixing plate, a gun-preventing groove corresponding to the gun-preventing blocks is arranged at the bottom of the lower disc inner tube, the two second disc bodies are connected through the middle ring piece and are respectively connected with the upper disc inner tube and the lower disc inner tube, a plurality of fourth guide holes are arranged on the second disc bodies, and a plurality of second auxiliary buffer parts are uniformly distributed outside the first auxiliary buffer part, the auxiliary buffering portion of the second comprises an auxiliary buffering rod and a third spring, an upper rod groove is formed in the bottom of a third fixing plate, a lower convex hole is formed in the middle plate, the upper end of the auxiliary buffering rod is connected to the inner side of the upper rod groove, the lower end of the auxiliary buffering rod penetrates out of the second guide sleeve in the lower convex hole in a sliding mode, the third spring is sleeved on the auxiliary buffering rod, the upper end of the third spring is located in the upper rod groove, and the lower end of the third spring is located in the lower convex hole.
According to the pull frame for construction of the large-span steel structure cantilever, the middle vertical cylinder is provided with the plurality of hollow windows, the hollow windows are internally provided with the blocking pore plates, and the inner walls of the hollow windows are provided with the clamping strip grooves corresponding to the blocking pore plates;
the first flat backing plate is provided with a convex plate, two dovetail plates and two first fixing holes, and the second flat backing plate is provided with a middle groove corresponding to the convex plate, a dovetail groove corresponding to the dovetail plates and a second fixing hole corresponding to the first fixing holes.
Compared with the prior art, the invention at least comprises the following beneficial effects:
the invention provides a pulling frame for construction of a large-span steel structure cantilever, which comprises the following components: draw a device, draw a device including first drawing frame, the second draws the frame, concretely, during the use, operating personnel need extend the length that draws the frame, because of supporting first fixed branch at the supporting shoe, make it act as the ground and assume the cantilever, there is first drawing frame on the top of first fixed branch through fixed plate threaded connection, make first drawing frame conveniently install fixedly, be connected with the extension steel sheet through the activity groove in the inside of first drawing frame, and the second has been cup jointed on the surface that extends the steel sheet and has drawn the frame, the surface that the second drawn the frame is installed fixedly through fixing bolt, conveniently carry out the flexible of device, thereby reached and be convenient for draw the frame to stretch out and draw back, and be convenient for carry out fixed effect.
Other advantages, objects, and features of the present invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the present invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a servo motor according to the present invention.
FIG. 3 is a schematic view of the structure of the elongated steel sheet according to the present invention.
Fig. 4 is a schematic structural view of a compression spring according to the present invention.
Fig. 5 is an enlarged schematic view of a portion a of fig. 4 according to the present invention.
Fig. 6 is a schematic structural diagram of a buffer module according to the present invention.
Fig. 7 is a schematic view of the internal structure of the buffer module of the present invention.
Fig. 8 is an enlarged structural view of the portion B of fig. 7 according to the present invention.
Fig. 9 is an enlarged view of the portion C of fig. 7 according to the present invention.
Fig. 10 is an exploded view of the buffer module of the present invention.
Fig. 11 is an exploded view of the intermediate damping mechanism according to the present invention.
FIG. 12 is a schematic view of the construction of the intermediate cylinder according to the present invention.
Fig. 13 is a partial structural view of the intermediate damping mechanism according to the present invention.
Fig. 14 is a schematic structural view of the elastic disc member of the present invention.
Fig. 15 is a schematic structural view of the first auxiliary buffer portion in the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 5, the present invention provides a tension frame for construction of a large-span steel structure cantilever, comprising: draw a device, draw a device to include that first draw frame 1, second draw frame 2, the internal connection that first draw frame 1 extends steel sheet 4, and the one side that extends steel sheet 4 is connected with the second and draws frame 2, first one side that draws frame 1 is provided with fixed plate 5, one side of fixed plate 5 is connected with first fixed branch 51, fixed block 52 is passed through to first fixed branch 51's bottom and connects in supporting shoe 7, and be provided with the L type branch 8 of a plurality of inversions on the fixed block 52, L type branch 8 with first fixed branch 51 is connected.
The working principle and the beneficial effects of the technical scheme are as follows: the invention provides a pulling frame for construction of a large-span steel structure cantilever, which comprises the following components: the device comprises a first pulling frame 1 and a second pulling frame 2, and specifically, when the device is used, an operator needs to extend the length of the pulling frame, and the first fixing support rod 51 is supported by a support block 7 to serve as a foundation to perform a hypothetical cantilever, wherein a fixed block 52 is arranged at the bottom of the first fixing support rod 51, a plurality of inverted L-shaped support rods 8 are arranged on the fixed block 52, and the L-shaped support rods 8 are connected with the first fixing support rod 51 to increase the fixed connection between the first fixing support rod 51 and the fixed block 52; there is first pull frame 1 on the top of first fixed branch 51 through 5 threaded connection of fixed plate for first pull frame 1 conveniently installs fixedly, be connected with extension steel sheet 4 through the movable groove in first pull frame 1's inside, and cup jointed the second on the surface that extends steel sheet 4 and pull frame 2, and the second pulls the surface of frame 2 and installs fixedly through fixing bolt, conveniently carry out the flexible of device, thereby reached and be convenient for pull the frame and stretch out and draw back, and be convenient for carry out the effect of fixing.
In one embodiment, one side of second stretcher 2 is provided with the rope blocking mechanism, the rope blocking mechanism includes rope blocking plate 3, motor box 9, solid fixed ring 10, servo motor 11, winding pole 13 and crude wire rope 14, the middle part of rope blocking plate 3 one side is connected with motor box 9, one side of motor box 9 inner wall is provided with solid fixed ring 10, solid fixed ring 10's inside is provided with servo motor 11, servo motor 11's output is connected with dwang 12, the surface of dwang 12 is connected with winding pole 13 through the clutch blocks, one side on winding pole 13 surface is connected with crude wire rope 14, spacing jack has been seted up to the inside of winding pole 13.
The working principle and the beneficial effects of the technical scheme are as follows: in this embodiment, one side of the second pull frame 2 is provided with a rope blocking mechanism, the rope blocking mechanism comprises a rope blocking plate 3, a motor box 9, a fixing ring 10, a servo motor 11, a winding rod 13 and a rough steel wire rope 14, the rough steel wire rope 14 can be collected and released, specifically, the middle part of one side of the rope blocking plate 3 is connected with the motor box 9 through an inserting rod thread, when in specific use, an operator needs to automatically wind and pay off the rough steel wire rope 14, because the rope blocking plate 3 is installed on one side of the second fixed pull frame 2, the motor box 9 is installed on one side of the rope blocking plate 3, the servo motor 11 is installed in the motor box 9 through the fixing ring 10, the operator switches on the servo motor 11, the output end of the servo motor 11 drives the rotating rod 12 to rotate, and the inner end surface of the rotating rod 12 is connected with the winding rod 13 through a friction block, so that the rotating rod 12 drives the winding rod 13 to rotate, the surface of the winding rod 13 is wound and connected with the rough steel wire rope 14, so that the rough steel wire rope 14 can be automatically wound and paid off through the rotation of the winding rod 13, the automatic winding and paying off effects can be conveniently carried out by an operator, and the effect of conveniently winding and paying off the rough steel wire rope 14 is achieved.
In one embodiment, a mounting disc 15 is arranged on the surface of the rotating rod 12, a pressing plate 16 is connected to one side of the surface of the mounting disc 15, a fixing connecting plate 17 is arranged on one side of the pressing plate 16, a limiting insertion plate 18 is arranged on one side of the fixing connecting plate 17, a compression spring 19 is connected to one side of the fixing connecting plate 17, the compression spring 19 is located on one side of the limiting insertion plate 18, a connecting groove is formed in the mounting disc 15, and the limiting insertion plate 18 is matched with the limiting insertion hole.
The working principle and the beneficial effects of the technical scheme are as follows: through installation disc 15, press plate 16, fixed fishplate bar 17, plugboard 18 and compression spring 19's setting, in use, operating personnel need carry out certain installation twine pole 13 with installation disc 15, be connected with press plate 16 because of the surface at installation disc 15, operating personnel will press according to press plate 16, press plate 16 drives fixed fishplate bar 17 and compresses to inside, compress the compression spring 19 of fixed fishplate bar 17 with one side again, make fixed fishplate bar 17 drive plugboard 18 and carry out inside withdrawal, reinsert twine pole 13's inside again, make twine pole 13 and dwang 12 fix, otherwise can dismantle, thereby reached and be convenient for install the effect of dismantling twine pole 13.
In one embodiment, one side of the surface of the first fixing strut 51 is provided with a mounting insert box 20, a steel beam 21 is arranged inside the mounting insert box 20, one side of the steel beam 21 is provided with a second fixing strut 22 through the insert box, and the top end of the second fixing strut 22 is provided with a reinforcing rod 23.
Further, a movable operation frame 24 is arranged on the surface of the steel beam 21 through a sleeving ring, and transparent glass 25 is arranged at the top of the movable operation frame 24; the mobile operation frame 24 refers to various supports that are erected at a construction site for workers to operate and solve vertical and horizontal transportation.
Further, a mounting bracket 26 is provided at one side of the surface of the moving operation frame 24, and an operation panel 27 is provided at the inner bottom wall of the moving operation frame 24.
Further, a mounting plate 28 is provided on one side of the mounting bracket 26, and an anti-slip sheathing plate 29 is provided on one side of the surface of the mounting plate 28.
As shown in fig. 6 to 15, in one embodiment, a buffer module 6 is disposed in the supporting block 7, the buffer module 6 is connected to the bottom of the fixed block 52, the buffer module 6 includes a first flat backing plate 601, a second flat backing plate 602, an intermediate upright tube 603, an intermediate buffer mechanism, and a third fixed plate 605, the second flat backing plate 602 is disposed on the first flat backing plate 601, the intermediate upright tube 603 is disposed on the second flat backing plate 602, the third fixed plate 605 is disposed on the intermediate upright tube 603, a first guide hole 606 is disposed on the first flat backing plate 601, a second guide hole 607 corresponding to the first guide hole 606 is disposed on the second flat backing plate 602, the intermediate buffer mechanism includes an upper fixed rod 608, an intermediate plate 609, a lower fixed rod 610, and an intermediate buffer portion, the lower fixed rod 610 is disposed at the bottom of the intermediate plate 609 and extends into the first guide hole 606 through a first guide sleeve 611 in the second guide hole 607, the upper fixing rod 608 is disposed on the top of the middle plate 609, penetrates through the third fixing plate 605, and is connected to the bottom of the fixing block 52, the middle buffering portion includes a first spring 612, a second spring 613, a plurality of spring supporting tubes 614, and a plurality of elastic disc pieces, the first spring 612 and the second spring 613 are sequentially sleeved outside the lower fixing rod 610, the upper end of the first spring 612 and the upper end of the second spring 613 are abutted against two upper slots 615 at the bottom of the middle plate 609, the lower end of the first spring 612 and the lower end of the second spring 613 are abutted against two lower slots 616 at the top of the second flat plate 602, the spring supporting tubes 614 and the elastic disc pieces are sequentially sleeved on the lower fixing rod 610 and are located in the second spring 613, the elastic disc pieces are clamped between two adjacent spring supporting tubes 614, and the elastic disc pieces include a first inner tube 616, a second inner tube 616, and a disc pieces, The inner tube 616 and the inner tube 617 are respectively disposed at the upper end and the lower end of the first disc body 618 and are sleeved in the spring supporting tube 614, and the first disc body 618 is provided with a plurality of third guiding holes 619.
The working principle and the beneficial effects of the technical scheme are as follows: a receiving cavity is provided in the supporting block 7, a buffer module 6 is installed in the receiving cavity, the buffer module 6 is connected with the bottom of the fixed block 52, the structure of the buffer module 6 is provided in this embodiment, the buffer module 6 of this structure comprises a first flat base plate 601, a second flat base plate 602, a middle vertical cylinder 603, a middle buffer mechanism and a third fixed plate 605, wherein the first flat base plate 601 is fixedly installed in the mounting frame 2, the second flat base plate 602 is installed on the first flat base plate 601, a first guide hole 606 and a second guide hole 607 are respectively designed on the first flat base plate 601 and the second flat base plate 602, the middle vertical cylinder 603 is installed on the second flat base plate 602, the third fixed plate 605 is installed on the middle vertical cylinder 603, the middle buffer mechanism is installed in the middle vertical cylinder 603, the middle buffer mechanism comprises an upper fixed rod 608, a middle plate 609, a lower fixed rod 610 and a middle buffer part, the upper fixing rod 608 and the lower fixing rod 610 are respectively installed at the upper end and the lower end of the middle plate 609, the middle buffer part is installed on the lower fixing rod 610 and is propped against between the middle plate 609 and the second flat backing plate 602, and the upper end of the upper fixing rod 608 is connected and fixedly connected with the bottom of the fixing block 52, so when the buffer module 6 is extruded, the middle plate 609 and the lower fixing rod 610 are also extruded downwards by the upper fixing rod 608, the lower end of the lower fixing rod 610 penetrates into the first guide hole 606 and the second guide hole 607, wherein the first guide sleeve 611 is designed in the second guide hole 607, so that the lower fixing rod 610 can conveniently move up and down in the second guide hole 607;
the middle plate 609 presses the middle buffer part, which includes a first spring 612, a second spring 613, a plurality of spring supporting tubes 614 and a plurality of elastic disc members, specifically, the first spring 612 and the second spring 613 are sequentially sleeved outside the lower fixing rod 610, in order to fix the first spring 612 and the second spring 613, the upper ends of the first spring 612 and the second spring 613 are both pressed against two upper slots 615 at the bottom of the middle plate 609, and the lower ends of the first spring 612 and the second spring 613 are pressed against two lower slots 616 at the top of the second flat backing plate 602, so that the first spring 612 and the second spring 613 can provide elastic buffer for the buffer module 6 better through the concentric design, and the plurality of spring supporting tubes 614 and the plurality of elastic disc members are sequentially sleeved on the lower fixing rod 610 and located in the second spring 613, and the uppermost spring supporting tube 614 is located in the upper pressing slot 642 of the middle plate 609, the lowermost spring supporting tube 614 is located in the lower pressing groove 643 of the second flat backing plate 602, so that when the middle plate 609 presses the spring supporting tube 614 downwards, the spring supporting tube 614 presses the first disc body 618, and a plurality of third guide holes 619 are designed on the first disc body 618, so that the air inside the first disc body 618 is quickly discharged outwards through the third guide holes 619 after the first disc body 618 is pressed, thereby preventing the external foreign particles from being stuck on the first spring 612 and the second spring 613 to cause corrosion damage.
In one embodiment, a plurality of gun-preventing blocks 620 are disposed on the middle plate 609, a first auxiliary buffer portion and a plurality of second auxiliary buffer portions are disposed at the bottom of the third fixing plate 605, the first auxiliary buffer portion is disposed on the upper fixing rod 608, the first auxiliary buffer portion includes an upper disc inner tube 621, a lower disc inner tube 622, a middle ring 623 and two second disc bodies 624, the upper disc inner tube 621 is disposed at the bottom of the third fixing plate 605, the bottom of the lower disc inner tube 622 is disposed with gun-preventing grooves 625 corresponding to the gun-preventing blocks 620, the two second disc bodies 624 are connected by the middle ring 623 and are respectively connected with the upper disc inner tube 621 and the lower disc inner tube 622, a plurality of fourth guide holes 626 are disposed on the second disc bodies 624, and a plurality of second auxiliary buffer portions are uniformly distributed outside the first auxiliary buffer portion, the second auxiliary buffering part comprises an auxiliary buffering rod 627 and a third spring 628, an upper rod groove 629 is arranged at the bottom of the third fixing plate 605, a lower convex hole 630 is arranged on the middle plate 609, the upper end of the auxiliary buffering rod 627 is connected in the upper rod groove 629, the lower end of the auxiliary buffering rod 627 slidingly penetrates through the second guide sleeve in the lower convex hole 630, the third spring 628 is sleeved on the auxiliary buffering rod 627, the upper end of the third spring is positioned in the upper rod groove 629, and the lower end of the third spring is positioned in the lower convex hole 630.
The working principle and the beneficial effects of the technical scheme are as follows: in this embodiment, a first auxiliary buffer portion and a plurality of second auxiliary buffer portions are disposed at the bottom of the third fixing plate 605, wherein the first auxiliary buffer portion is disposed on the upper fixing rod 608, and the plurality of second auxiliary buffer portions are uniformly distributed outside the first auxiliary buffer portion; specifically, the first auxiliary buffer portion includes an upper disc inner tube 621, a lower disc inner tube 622, a middle ring 623 and two second disc bodies 624, the upper disc inner tube 621 is installed at the bottom of the third fixing plate 605, the bottom of the lower disc inner tube 622 is provided with a gun-preventing groove 625, correspondingly, a plurality of gun prevention blocks 620 are arranged on the middle plate 609, so that the inner tube 622 of the lower disc can be arranged on the gun prevention blocks 620 through gun prevention grooves 625, and the two second disc bodies 624 are connected through the middle ring 623, and is connected with the upper disc inner tube 621 and the lower disc inner tube 622, respectively, and a plurality of fourth guide holes 626 are formed on the second disc body 624, and the second auxiliary buffer portion includes an auxiliary buffer rod 627 and a tension spring 628, the upper fixing plate 608 presses the middle plate 609 to move the middle plate 609 downward along the auxiliary buffering rod 627, and the second guide sleeve 641 in the lower convex hole 630 facilitates the movement of the auxiliary buffering rod 627; the tension springs 628 are disposed in the upper bar groove 629 and the lower convex hole 630, and correspondingly, the auxiliary buffer rods 627 are also disposed in the upper bar groove 629 and the lower convex hole 630, so that the auxiliary buffer rods 627 play a role in guiding, the tension springs 628 prevent the first spring 612 and the second spring 613 from being excessively compressed, thereby enhancing a buffering effect, and moreover, the first auxiliary buffer part can be compressed or reset, so that air in the first auxiliary buffer part is discharged through the fourth guide hole 626, thereby preventing external foreign particles from being adhered to the tension springs 628 to cause corrosion damage.
In one embodiment, a plurality of hollow windows 631 are disposed on the middle vertical cylinder 603, a flow guide hole plate 632 is disposed in each hollow window 631, and a clamping strip groove 634 corresponding to the flow guide hole plate 632 is disposed on an inner wall of each hollow window 631;
the first flat shim plate 601 is provided with a convex plate 635, two dovetail plates 636 and two first fixing holes 637, and the second flat shim plate 602 is provided with a middle groove 638 corresponding to the convex plate 635, a dovetail groove 639 corresponding to the dovetail plates 636 and second fixing holes 640 corresponding to the first fixing holes 637.
The working principle of the technical scheme is as follows: in this embodiment, a plurality of hollow windows 631 are disposed on the middle upright tube 603, a flow guide hole plate 632 is designed in each hollow window 631, and a strip clamping groove 634 is disposed on an inner wall of each hollow window 631, so that the flow guide hole plate 632 can be inserted into the strip clamping groove 634, and the flow guide hole plate 632 facilitates air flow;
further, the first flat base plate 601 is provided with a convex plate 635, two dovetail plates 636 and two first fixing holes 637, and correspondingly, the second flat base plate 602 is provided with a middle groove 638 corresponding to the convex plate 635, a dovetail groove 639 corresponding to the dovetail plate 636 and a second fixing hole 640 corresponding to the first fixing hole 637, so that the first flat base plate 601 and the second flat base plate 602 can be firmly connected to avoid the occurrence of dislocation and displacement.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a large-span steel construction cantilever construction is with drawing frame which characterized in that includes: the pull frame device comprises a first pull frame (1) and a second pull frame (2), wherein an extension steel plate (4) is connected to the inside of the first pull frame (1), one side of the extension steel plate (4) is connected with the second pull frame (2), a fixing plate (5) is arranged on one side of the first pull frame (1), a first fixing support rod (51) is connected to one side of the fixing plate (5), the bottom of the first fixing support rod (51) is connected to the inside of a supporting block (7) through a fixing block (52), a plurality of inverted L-shaped support rods (8) are arranged on the fixing block (52), and the L-shaped support rods (8) are connected with the first fixing support rod (51).
2. The pulling frame for the construction of the large-span steel structure cantilever according to claim 1, a rope blocking mechanism is arranged on one side of the second pull frame (2), the rope blocking mechanism comprises a rope blocking plate (3), a motor box (9), a fixing ring (10), a servo motor (11), a winding rod (13) and a rough steel wire rope (14), the middle part of one side of the rope baffle plate (3) is connected with a motor box (9), one side of the inner wall of the motor box (9) is provided with a fixing ring (10), a servo motor (11) is arranged in the fixed ring (10), the output end of the servo motor (11) is connected with a rotating rod (12), the surface of the rotating rod (12) is connected with a winding rod (13) through a friction block, one side on winding pole (13) surface is connected with crude wire rope (14), spacing jack has been seted up to the inside of winding pole (13).
3. The pulling frame for the large-span steel structure cantilever construction according to claim 2, wherein a mounting disc (15) is arranged on the surface of the rotating rod (12), a pressing plate (16) is connected to one side of the surface of the mounting disc (15), a fixing connecting plate (17) is arranged on one side of the pressing plate (16), a limiting insertion plate (18) is arranged on one side of the fixing connecting plate (17), a compression spring (19) is connected to one side of the fixing connecting plate (17), the compression spring (19) is located on one side of the limiting insertion plate (18), a connecting groove is formed in the mounting disc (15), and the limiting insertion plate (18) is matched with the limiting insertion hole.
4. The pulling frame for the construction of the large-span steel structure cantilever according to claim 1, wherein one side of the surface of the first fixing support rod (51) is provided with an installation inserting box (20), a steel beam (21) is arranged inside the installation inserting box (20), one side of the steel beam (21) is provided with a second fixing support rod (22) through the inserting box, and the top end of the second fixing support rod (22) is provided with a reinforcing rod (23).
5. The pulling frame for the construction of the large-span steel structure cantilever according to claim 4, wherein the surface of the steel beam (21) is provided with a movable operation frame (24) through a sleeve ring, and the top of the movable operation frame (24) is provided with a transparent glass (25).
6. The pulling frame for the construction of the large-span steel structure cantilever according to claim 5, wherein a mounting bracket (26) is provided at one side of the surface of the movable operating frame (24), and an operating plate (27) is provided at the inner bottom wall of the movable operating frame (24).
7. The pulling frame for the construction of the large-span steel structure cantilever according to claim 6, wherein a mounting plate (28) is arranged on one side of the mounting bracket (26), and an anti-skid sleeve plate (29) is arranged on one side of the surface of the mounting plate (28).
8. The pull frame for the construction of the large-span steel structure cantilever according to claim 1, wherein a buffer module (6) is arranged in the supporting block (7), the buffer module (6) is connected with the bottom of the fixed block (52), the buffer module (6) comprises a first flat backing plate (601), a second flat backing plate (602), an intermediate vertical cylinder (603), an intermediate buffer mechanism and a third fixed plate (605), the second flat backing plate (602) is arranged on the first flat backing plate (601), the intermediate vertical cylinder (603) is arranged on the second flat backing plate (602), the third fixed plate (605) is arranged on the intermediate vertical cylinder (603), the first flat backing plate (601) is provided with a first guide hole (606), the second flat backing plate (602) is provided with a second guide hole (607) corresponding to the first guide hole (606), the middle buffer mechanism comprises an upper fixing rod (608), a middle plate (609), a lower fixing rod (610) and a middle buffer part, the lower fixing rod (610) is arranged at the bottom of the middle plate (609) and passes through a first guide sleeve (611) in a second guide hole (607) to extend into a first guide hole (606), the upper fixing rod (608) is arranged at the top of the middle plate (609), penetrates through the third fixing plate (605) and is connected with the bottom of a fixing block (52), the middle buffer part comprises a first spring (612), a second spring (613), a plurality of spring supporting tubes (614) and a plurality of elastic disc pieces, the first spring (612) and the second spring (613) are sequentially sleeved outside the lower fixing rod (610), the upper end of the first spring (612) and the upper end of the second spring (613) are abutted against two upper clamping grooves (615) at the bottom of the middle plate (609), the lower ends of the first spring (612) and the second spring (613) abut against two lower clamping grooves (616) at the top of the second flat base plate (602), the spring supporting tube (614) and the elastic disc piece are sequentially sleeved on the lower fixing rod (610) and positioned in the second spring (613), the elastic disc piece is clamped between the two adjacent spring supporting tubes (614), the elastic disc piece comprises a first disc inner tube (616), a second disc inner tube (617) and a first disc body (618), the first disc inner tube (616) and the second disc inner tube (617) are respectively arranged at the upper end and the lower end of the first disc body (618) and sleeved in the spring supporting tube (614), and a plurality of third guide holes (619) are arranged on the first disc body (618).
9. The pulling frame for the construction of the large-span steel structure cantilever according to claim 8, wherein a plurality of gun-proof blocks (620) are arranged on the middle plate (609), the bottom of the third fixing plate (605) is provided with a first auxiliary buffer part and a plurality of second auxiliary buffer parts, the first auxiliary buffer part is arranged on the upper fixing rod (608), the first auxiliary buffer part comprises an upper disc inner tube (621), a lower disc inner tube (622), a middle ring piece (623) and two second disc bodies (624), the upper disc inner tube (621) is arranged at the bottom of the third fixing plate (605), the bottom of the lower disc inner tube (622) is provided with gun-proof grooves (625) corresponding to the gun-proof blocks (620), and the two second disc bodies (624) are connected through the middle ring piece (623) and are respectively connected with the upper disc inner tube (621), The lower disc inner tube (622) is connected, the second disc body (624) is provided with a plurality of fourth guide holes (626), a plurality of second auxiliary buffering parts are uniformly distributed outside the first auxiliary buffering part, each second auxiliary buffering part comprises an auxiliary buffering rod (627) and a third spring (628), the bottom of the third fixing plate (605) is provided with an upper rod groove (629), the middle plate (609) is provided with a lower convex hole (630), the upper end of each auxiliary buffering rod (627) is connected into the upper rod groove (629), the lower end of each auxiliary buffering rod (627) penetrates through the second guide sleeve (641) in the lower convex hole (630) in a sliding manner, the third spring (628) is sleeved on the auxiliary buffering rod (627), the upper end of each auxiliary buffering rod (627) is positioned in the upper rod groove (629), and the lower end of each auxiliary buffering rod (624) is positioned in the lower convex hole (630).
10. The pull frame for the construction of the large-span steel structure cantilever according to claim 8, wherein a plurality of hollow windows (631) are arranged on the middle vertical cylinder (603), a blocking hole plate (632) is arranged in each hollow window (631), and a clamping strip groove (634) corresponding to the blocking hole plate (632) is arranged on the inner wall of each hollow window (631);
the first flat backing plate (601) is provided with a convex plate (635), two dovetail plates (636) and two first fixing holes (637), and the second flat backing plate (602) is provided with a middle groove (638) corresponding to the convex plate (635), a dovetail groove (639) corresponding to the dovetail plates (636) and a second fixing hole (640) corresponding to the first fixing hole (637).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110853590.2A CN113914233A (en) | 2021-07-28 | 2021-07-28 | Large-span steel construction cantilever construction is with drawing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110853590.2A CN113914233A (en) | 2021-07-28 | 2021-07-28 | Large-span steel construction cantilever construction is with drawing frame |
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| Publication Number | Publication Date |
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| CN113914233A true CN113914233A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110853590.2A Pending CN113914233A (en) | 2021-07-28 | 2021-07-28 | Large-span steel construction cantilever construction is with drawing frame |
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Application publication date: 20220111 |