CN210738584U - Space rigid frame trolley suitable for existing line crossing construction - Google Patents
Space rigid frame trolley suitable for existing line crossing construction Download PDFInfo
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- CN210738584U CN210738584U CN201921567235.3U CN201921567235U CN210738584U CN 210738584 U CN210738584 U CN 210738584U CN 201921567235 U CN201921567235 U CN 201921567235U CN 210738584 U CN210738584 U CN 210738584U
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Abstract
The utility model provides a space rigid frame platform truck suitable for stride existing line construction, including portal and template system, the inner formword of template system passes through the lead screw and connects on the portal, and the portal is equipped with centre form demoulding mechanism that is used for the inner formword drawing of patterns, and jack and walking mechanism are installed to the floorbar bottom of portal, and the inboard bottom of portal is packaged with the packaging system, and the packaging system includes by interior outer cover mould layer and the insulation sheet layer that distributes. The utility model provides a space rigid frame platform truck suitable for stride existing line construction can adopt the off-line mode of assembling, whole hoist and mount on the line target in place, can realize platform truck position fine setting after reacing existing line construction department, carries out the platform truck after the construction of current construction highway section and wholly walks to next construction highway section, and the formwork erection takes out fast, the precision is high, can improve the construction speed and the construction quality of stride line rigid frame bridge greatly to can encapsulate the isolation with railway contact net, guarantee construction safety.
Description
Technical Field
The utility model relates to a space rigid frame platform truck suitable for stride existing line construction belongs to tunnel construction machinery technical field.
Background
With the rapid development of the country, the construction of tracks and roads is more and more, and the construction brings great convenience to the life and production of people. On the basis of the existing construction, cross-line construction is often required, for example, the existing Mongolian iron road Du gosha down line cross-coke willow line super bridge is positioned in the third measurement section of coal transport railways in Mongolian western to China, mainly spans G207, plan 216 and coke willow railways, a concrete rigid frame bridge structure cross-coke willow railway is arranged at the line DGXDK-515.6-DGXDK-584, and the rigid frame bridge is a reinforced concrete structure in the form of an open culvert with more than 130 meters. The construction of traditional open culvert generally adopts the mode of steel form plus scaffold frame to be under construction. The construction method has the advantages of low mold erecting speed, poor precision and high construction safety risk. Particularly, for the construction of the project across the existing line, the passing density of the train is high, the traditional construction method is adopted, firstly, the site construction field cannot meet the requirement of scaffold erection, secondly, the scaffold construction has great potential safety hazard to the passing of the train, thirdly, the construction efficiency is low, and the requirement of the construction period cannot be met.
The existing trolley for constructing the open culvert also has a trolley special for constructing the open culvert, but the current situation of construction of crossing the existing line is not considered by the trolley, a turnover type demoulding mechanism is usually adopted for demoulding a template, however, in the actual construction process of crossing the existing line, due to the influence of a railway contact network and a guardrail, the distance between an inner side mould and a portal stand column of the template system is required to be short, the length of the side mould is long, the turnover demoulding cannot be adopted, the portal is usually in an open structure, and potential safety hazards exist when the distance between the portal and the existing line contact network is too short, so that the existing trolley for constructing the open culvert is difficult to meet the construction requirement of crossing the existing line rigid frame.
Disclosure of Invention
In order to solve the not enough of prior art, the utility model provides a space rigid frame platform truck suitable for stride existing line construction can adopt the off-line to assemble, the mode that whole hoist and mount put in place on the line, can realize platform truck position fine setting after reacing existing line construction department, carry out the platform truck after the construction of current construction highway section and wholly walk to next construction highway section, it is fast to found the mould form removal, the precision is high, can improve the construction speed and the construction quality of stride line rigid frame bridge greatly, and can encapsulate the isolation with railway contact net, guarantee construction safety.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a space rigid frame trolley suitable for striding existing line construction, including portal and template system that the cross section is pi shape respectively, the portal includes the crossbeam of top, the stand of crossbeam lower part and the floorbar of stand bottom, the template system is located the periphery of portal, the inner formword of template system passes through the lead screw and connects on the portal, the portal is equipped with the interior mould demoulding mechanism that is used for the inner formword drawing of patterns, interior mould demoulding mechanism includes the drawing of patterns hydro-cylinder, the bracket of being connected with the portal, install connecting rod on the bracket and be used for the longeron of being connected with the inner formword, the rear portion of bracket is equipped with two relative otic placodes, install the left-hand thread wheel between two otic placodes, the hydro-cylinder seat of drawing of patterns hydro-cylinder is fixed in between two otic placodes, the connecting rod is located the below drawing of patterns hydro-cylinder, the rear end of connecting rod is installed in the, the upper part of the rear end of the connecting rod is in contact with the lower part of the back-buckling wheel, the upper part of the front end of the connecting rod is connected with a telescopic rod of the demoulding oil cylinder, the lower part of the front end of the connecting rod is supported by a supporting wheel arranged on the bracket, the longitudinal beam is arranged at the front end of the connecting rod, the bottom of the bottom beam of the portal frame is provided with a jack and a walking mechanism, the bottom of the inner side of the portal frame is packaged with a packaging system, and the packaging system comprises a mould sealing layer and an insulating plate.
And a transverse moving lifting mechanism is arranged at the bottom of the bottom beam of the portal frame.
The transverse moving mechanism comprises an upper lifting part and a lower transverse moving part, the lifting part comprises a lifting seat fixed on the bottom beam, a lifting oil cylinder connected with the lifting seat and a supporting square tube connected with the lifting oil cylinder, the transverse moving part comprises an upper transverse moving seat, a lower transverse moving seat arranged below the upper transverse moving seat and provided with a transverse moving oil cylinder and a hinged support fixed at the bottom of the lower transverse moving seat, the upper transverse moving seat rolls on the lower transverse moving seat through wheels arranged at the bottom of the upper transverse moving seat, the upper transverse moving seat is connected with a telescopic rod of the transverse moving oil cylinder, the lower transverse moving seat is connected with an oil cylinder seat of the transverse moving oil cylinder, and the upper transverse moving seat transversely moves when a telescopic rod.
The running mechanism comprises a driving running mechanism and a driven running mechanism.
The driving running mechanism and the driven running mechanism are distributed at intervals.
An auxiliary mechanism is arranged on the side portion of the door frame and comprises a ladder stand and a platform.
The utility model discloses based on the beneficial effect that its technical scheme had lies in:
(1) the utility model provides a space rigid frame trolley suitable for existing line crossing construction, which is provided with an inner mold demolding mechanism capable of realizing translational sliding demolding aiming at the characteristics of existing line crossing construction, can adapt to the conditions that the distance between the inner mold and a portal stand column is short, the side mold length is long and the overturning demolding mode cannot be adopted, and is convenient and rapid to demold;
(2) the utility model provides a space rigid frame trolley suitable for striding existing line construction is provided with the packaging system to railway line, can guarantee that construction environment and existing line are relatively closed, has reduced construction and train current degree of mutual influence, guarantees that the train normally passes, carries out insulation protection to trolley crossbeam lower part contact network region simultaneously, guarantees construction safety;
(3) the utility model provides a space rigid frame trolley suitable for construction across the existing line is provided with a traveling mechanism, which is convenient for prolonging the movement of the construction line and improving the construction efficiency;
(4) the utility model provides a pair of space rigid frame platform truck suitable for stride existing line construction can set up sideslip hoisting mechanism, realizes the whole lifting of platform truck through the lifting cylinder, realizes through the sideslip hydro-cylinder that the platform truck is whole to remove about, can accomplish through whole lifting by crane to the construction position after position fine setting at the platform truck equipment, improves construction precision and efficiency of construction.
Drawings
Fig. 1 is the utility model provides a pair of space rigid frame platform truck's that is applicable to stride existing line construction main view structure sketch map.
Fig. 2 is a side view schematic diagram of a space rigid frame trolley suitable for crossing existing line construction.
FIG. 3 is a schematic view of the structure of the active running gear.
FIG. 4 is a schematic view of the driven running gear.
Fig. 5 is a schematic view of a gantry structure.
Fig. 6 is a front view of the inner mold stripping mechanism.
Fig. 7 is a side view of the inner mold stripping mechanism.
Fig. 8 is a schematic view of a screw structure.
Fig. 9 is a front view structural schematic diagram of the traverse lifting mechanism.
Fig. 10 is a side view of the traverse hoist.
In the figure: 1-running mechanism, 101-driving running mechanism, 102-driven running mechanism, 2-gantry, 201-cross beam, 202-upright post, 203-bottom beam, 204-connecting beam, 205-diagonal beam, 3-internal mold demoulding mechanism, 301-demoulding oil cylinder, 302-longitudinal beam, 303-reverse buckling wheel, 304-limiting steel groove, 305-bracket, 306-supporting wheel, 307-connecting rod, 4-lead screw, 5-template system, 6-auxiliary mechanism, 7-packaging system, 8-transverse lifting mechanism, 801-lifting oil cylinder, 802-lifting seat, 803-supporting square tube, 804-upper transverse moving seat, 805-transverse moving oil cylinder, 806-lower transverse moving seat and 807-hinged seat.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model provides a space rigid frame platform truck suitable for stride existing line construction, refer to fig. 1 to 10, including portal 2 and template system 5 that the cross section is pi shape respectively, portal 2 includes crossbeam 201 at top, stand 202 and the floorbar 203 of stand 202 bottom of crossbeam 201 lower part, the portal is the main atress part of whole platform truck, crossbeam, stand and floorbar pass through the bolt hookup, connect through tie-beam 204 and diagonal draw bar 205 between each crossbeam and the stand, crossbeam 201, stand 202 are welded into the I-shaped cross section by the steel sheet; the bottom beam 203 adopts a box-shaped section; because portal 2 is high, in order to guarantee rigidity, intensity and the stability of whole portal 2, can set up the pressure roof beam and be used for carrying out wind load and train impact load protection under platform truck founds the mould state.
The template system 5 is positioned at the periphery of the portal frame 2, and the template system 5 is mainly divided into an inner template, an outer template, a ventilation window template and an end template. Because the trolley is constructed across the existing line, the splicing seams of the inner template are reduced as much as possible on the premise of meeting the requirements, and the inner template plate pair and the outer template plate pair can be 2.5 m. The inner template of the template system is connected to the portal 2 through a screw rod 4, and the portal 2 is provided with an inner template demoulding mechanism 3 for demoulding the inner template.
The internal mold demoulding mechanism 3 comprises a demoulding oil cylinder 301, a bracket 305 connected with the portal frame 2, a connecting rod 307 arranged on the bracket 305 and a longitudinal beam 302 used for being connected with the internal mold plate, wherein two lug plates which are opposite in position are arranged at the rear part of the bracket 305, a reverse buckling wheel 303 is arranged between the two lug plates, an oil cylinder seat of the demoulding oil cylinder 301 is fixed between the two lug plates, the connecting rod 307 is positioned below the demoulding oil cylinder 301, the rear end of the connecting rod 307 is arranged in a mounting groove between the two lug plates, the tail end of the mounting groove is provided with a limiting steel groove 304 used for preventing the connecting rod 307 from being released from the mounting groove, the upper part of the rear end of the connecting rod 307 is contacted with the lower part of the reverse buckling wheel 303, the upper part of the front end of the connecting rod 307 is connected with a telescopic rod of the demoulding oil cylinder 301, the lower part of the front end of the connecting rod 307 is supported by a supporting wheel, And the side die is long and cannot be demoulded by adopting a turnover demoulding way.
The jack and the walking mechanism 1 are installed at the bottom of the bottom beam 203 of the gantry 2, the walking mechanism 1 comprises a driving walking mechanism 101 and a driven walking mechanism 102, wherein the driving walking mechanism is 4 groups, the driven walking mechanism is 4 groups, and the driving walking mechanism 101 and the driven walking mechanism 102 can be distributed at intervals. The walking motor of the active walking mechanism is provided with a brake, so that the whole machine can still be safely braked on a ramp, the wide walking wheels are adopted, the 7316E bearings and the 32A chains are matched to ensure the use safety of the trolley, and the influence of track jumping, deformation, chain breakage, slipping and the like on the building construction is avoided.
The bottom of the inner side of the portal 2 is packaged with a packaging system 7, the packaging system comprises a die sealing layer and an insulating plate layer which are distributed from inside to outside and used for sealing the space at the lower part of the portal and carrying out insulating protection on the contact net area at the lower part of the trolley beam so as to ensure the construction safety.
The bottom of the bottom beam 203 of the gantry 2 is provided with a transverse moving hoisting mechanism 8. The traverse lifting mechanism 8 comprises an upper lifting part and a lower traverse part, the lifting part comprises a lifting seat 802 fixed on the bottom beam 203, a lifting oil cylinder 801 connected with the lifting seat 802 and a supporting square pipe 803 connected with the lifting oil cylinder 801, the traverse part comprises an upper traverse seat 804, a lower traverse seat 806 arranged below the upper traverse seat 804 and provided with a traverse oil cylinder 805 and a hinged seat 807 fixed at the bottom of the lower traverse seat 806, the upper traverse seat 804 rolls on the lower traverse seat 806 through wheels arranged at the bottom of the upper traverse seat 804, the upper traverse seat 804 is connected with a telescopic rod of the traverse oil cylinder 805, the lower traverse seat 806 is connected with the oil cylinder seat of the traverse oil cylinder 805, and the upper traverse seat 804 transversely moves when the telescopic rod of the traverse oil cylinder 805 extends and contracts.
An auxiliary mechanism 6 is arranged on the side portion of the portal frame 2, and comprises a crawling ladder and a platform and is used for a constructor to get on and off the trolley and install the trolley.
The utility model provides a pair of space rigid frame platform truck suitable for stride existing line construction can adopt the off-line mode of assembling, whole hoist and mount on the line target in place, can realize platform truck position fine setting after reacing existing line construction department, carries out the platform truck after the construction of current construction highway section and wholly walks to next construction highway section, and the formwork erection is demolished fastly, the precision is high, can improve the construction speed and the construction quality of stride line rigid frame bridge greatly to can encapsulate with railway contact net and keep apart, guarantee construction safety.
Claims (6)
1. The utility model provides a space rigid frame platform truck suitable for stride existing line construction, includes that the cross section is portal (2) and template system (5) of pi shape respectively, and portal (2) are including crossbeam (201) at top, stand (202) of crossbeam (201) lower part and floorbar (203) of stand (202) bottom, and template system (5) are located the periphery of portal (2), its characterized in that: an inner template of the template system (5) is connected to a portal (2) through a screw rod (4), the portal (2) is provided with an inner template demoulding mechanism (3) for demoulding the inner template, the inner template demoulding mechanism (3) comprises a demoulding oil cylinder (301), a bracket (305) connected with the portal (2), a connecting rod (307) arranged on the bracket (305) and a longitudinal beam (302) connected with the inner template, the rear part of the bracket (305) is provided with two lug plates with opposite positions, a reverse buckling wheel (303) is arranged between the two lug plates, an oil cylinder seat of the demoulding oil cylinder (301) is fixed between the two lug plates, the connecting rod (307) is positioned below the demoulding oil cylinder (301), the rear end of the connecting rod (307) is arranged in a mounting groove between the two lug plates, the tail end of the mounting groove is provided with a limiting steel groove (304) for preventing the connecting rod (307) from being released from the mounting groove, the upper part of the rear end of the connecting rod (307) is, the upper part of the front end of a connecting rod (307) is connected with a telescopic rod of the demoulding oil cylinder (301), the lower part of the front end of the connecting rod (307) is supported by a supporting wheel (306) arranged on a bracket (305), a longitudinal beam (302) is arranged at the front end of the connecting rod (307), a jack and a walking mechanism (1) are arranged at the bottom of a bottom beam (203) of the portal (2), an encapsulating system (7) is encapsulated at the bottom of the inner side of the portal (2), and the encapsulating system comprises a mould sealing layer and an insulating plate layer which are distributed from inside to outside.
2. The spatial rigid frame trolley suitable for construction across an existing line according to claim 1, wherein: the bottom of the bottom beam (203) of the gantry (2) is provided with a transverse moving hoisting mechanism (8).
3. The spatial rigid frame trolley suitable for construction across an existing line according to claim 2, wherein: the transverse moving lifting mechanism (8) comprises a lifting part at the upper part and a transverse moving part at the lower part, the lifting part comprises a lifting seat (802) fixed on the bottom beam (203), a lifting oil cylinder (801) connected with the lifting seat (802) and a supporting square tube (803) connected with the lifting oil cylinder (801), the transverse moving part comprises an upper transverse moving seat (804), a lower transverse moving seat (806) which is positioned below the upper transverse moving seat (804) and is provided with a transverse moving oil cylinder (805) and a hinged seat (807) fixed at the bottom of the lower transverse moving seat (806), the upper transverse moving seat (804) rolls on the lower transverse moving seat (806) through wheels arranged at the bottom of the upper transverse moving seat, the upper transverse moving seat (804) is connected with an expansion link of the transverse moving oil cylinder (805), the lower transverse moving seat (806) is connected with an oil cylinder seat of the transverse moving oil cylinder (805), and the upper transverse moving seat (804) moves.
4. The spatial rigid frame trolley suitable for construction across an existing line according to claim 1, wherein: the running mechanism (1) comprises a driving running mechanism (101) and a driven running mechanism (102).
5. The spatial rigid frame trolley suitable for construction across an existing line according to claim 4, wherein: the driving running mechanism (101) and the driven running mechanism (102) are distributed at intervals.
6. The spatial rigid frame trolley suitable for construction across an existing line according to claim 1, wherein: an auxiliary mechanism (6) is arranged on the side part of the portal frame (2), and comprises a ladder stand and a platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921567235.3U CN210738584U (en) | 2019-09-20 | 2019-09-20 | Space rigid frame trolley suitable for existing line crossing construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921567235.3U CN210738584U (en) | 2019-09-20 | 2019-09-20 | Space rigid frame trolley suitable for existing line crossing construction |
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| Publication Number | Publication Date |
|---|---|
| CN210738584U true CN210738584U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921567235.3U Active CN210738584U (en) | 2019-09-20 | 2019-09-20 | Space rigid frame trolley suitable for existing line crossing construction |
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| CN (1) | CN210738584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438900A (en) * | 2022-03-07 | 2022-05-06 | 山东高速路桥国际工程有限公司 | Adjustable movable support portal system for bridge construction |
-
2019
- 2019-09-20 CN CN201921567235.3U patent/CN210738584U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438900A (en) * | 2022-03-07 | 2022-05-06 | 山东高速路桥国际工程有限公司 | Adjustable movable support portal system for bridge construction |
| CN114438900B (en) * | 2022-03-07 | 2022-08-26 | 山东高速路桥国际工程有限公司 | Adjustable movable support portal system for bridge construction |
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