CN113336104A - Comprehensive pipe gallery integrated light movable portal frame system - Google Patents
Comprehensive pipe gallery integrated light movable portal frame system Download PDFInfo
- Publication number
- CN113336104A CN113336104A CN202110683701.XA CN202110683701A CN113336104A CN 113336104 A CN113336104 A CN 113336104A CN 202110683701 A CN202110683701 A CN 202110683701A CN 113336104 A CN113336104 A CN 113336104A
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- Prior art keywords
- gantry
- portal
- fixing
- hole
- baffle
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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
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
- B66C19/02—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries collapsible
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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
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/20—Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/26—Other details, e.g. housings
Abstract
The invention provides an integrated light movable portal system of a comprehensive pipe gallery, which comprises a plurality of portal units arranged in parallel, wherein each portal unit comprises two portal upright posts arranged oppositely, the upper ends of the two portal upright posts are connected through a portal cross beam, and the lower ends of the portal upright posts are fixedly arranged on longitudinal beams; a reinforcing unit is arranged between every two portal units and comprises a plurality of first shearing supports and second shearing supports which are arranged oppositely, the first shearing supports are arranged at the tops of the portal units in a crossed mode, and the second shearing supports are symmetrically arranged on two sides of the portal units; the reinforcing unit further comprises two opposite gantry connecting rods and two fixing rods, the gantry connecting rods are arranged in the middle of the gantry unit and located on the outer side of the gantry unit, the fixing rods are arranged at the top of the gantry unit in parallel, and the fixing rods are connected with the first shearing support. The template transportation device is convenient to manufacture and use, and can improve the template transportation efficiency, accelerate the construction progress and reduce the construction risk. Meanwhile, the construction cost is reduced, and the economic benefit is remarkable.
Description
Technical Field
The invention relates to the technical field of underground comprehensive pipe gallery construction, in particular to an integrated light movable portal system of a comprehensive pipe gallery.
Background
In the cast-in-place major structure work progress of utility tunnel open cut, plank sheathing, aluminum alloy template and plastic formwork generally adopt the manpower to carry, and a small part adopts machinery to transport, directly adopts the manpower transport to need invest into more manpower. The majority of the shaped steel templates are transported by manual matching machines, and the manual matching machine transportation usually comprises a plurality of processes of template stacking, template bundling and mechanical hoisting.
There are a great deal of problems in the transportation of utility tunnel open cut cast-in-place method construction template: more manpower and machines are invested, the template transportation is slow, and the construction progress and the use efficiency of the template are seriously influenced; the construction site is higher in requirement by adopting machinery for carrying, and more potential safety hazards exist in the template carrying process; the cost of transporting the template manually and mechanically is relatively high.
Chinese patent document CN 212957656U describes an underground utility tunnel wall form mounting and dismounting transportation special vehicle, which detaches the form through a module coupler and then transports the form through wheels, and in actual construction, because of the construction environment, the equipment is more, the use of space is nervous, the weight of the form is larger, the requirement on the walking road surface is higher in the transportation process, the transportation safety cannot be guaranteed, and the vehicle has defects in use, so the improvement is needed.
Disclosure of Invention
The invention provides an integrated light movable portal system of a comprehensive pipe gallery, which solves the problems of low speed, low template use efficiency, high transportation cost, high safety risk, high requirement on transportation equipment and incapability of adjusting the hoisting position in time in template transportation of the comprehensive pipe gallery.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a comprehensive pipe gallery integrated light movable portal system comprises a plurality of portal units arranged in parallel, wherein each portal unit comprises two portal upright posts arranged oppositely, the upper ends of the two portal upright posts are connected through a portal cross beam, and the lower ends of the portal upright posts are fixedly arranged on longitudinal beams;
a reinforcing unit is arranged between every two portal units and comprises a plurality of first shearing supports and second shearing supports which are arranged oppositely, the first shearing supports are arranged at the tops of the portal units in a crossed mode, and the second shearing supports are symmetrically arranged on two sides of the portal units;
the reinforcing unit further comprises two opposite gantry connecting rods and two fixed rods, the gantry connecting rods are arranged in the middle of the gantry unit and are positioned on the outer side of the gantry unit, the fixed rods are arranged at the top of the gantry unit in parallel, and the fixed rods are connected with the first shearing support;
a gantry inclined strut is further arranged between the gantry upright stanchion and the gantry beam, a plurality of suspension devices are sleeved on the gantry beam, and a hand-operated hoist and a support rod are detachably arranged on each suspension device;
the bottom of the longitudinal beam is symmetrically provided with a plurality of walking wheels, and the walking wheels are arranged on the walking track in a sliding manner.
In the preferred scheme, the second shearing and supporting middle part is provided with a node fixing plate, and the first shearing and supporting middle part is provided with a node fixing plate.
In the preferred scheme, the portal upright stanchion is also provided with a bearing bracket, the bearing bracket is positioned on the inner side of the portal unit, and the bearing bracket is used for supporting the bottom of the external template.
In a preferred scheme, the bearing bracket comprises a supporting pipe, one side of the supporting pipe is fixedly connected with a portal upright rod, a sliding groove is arranged in the supporting pipe, a sliding pipe is arranged in the sliding groove in a sliding manner, a first threaded hole is formed in one side of the supporting pipe, a plurality of second threaded holes are arranged in parallel in one side of the sliding pipe, the diameters of the first threaded holes and the second threaded holes are equal, and the supporting pipe is connected with the sliding pipe through a locking nail;
the upper part of the sliding groove is provided with a straight groove, the upper part of the sliding pipe is provided with a convex block, the appearance of the convex block is matched with that of the straight groove, one side of the sliding pipe is provided with a clamping table, and the height of the clamping table is higher than that of the top of the supporting pipe.
In the preferred scheme, slide tube one side is equipped with the blind hole, is equipped with the spring in the blind hole, and spring one side is equipped with the depression bar, and the depression bar is worn to establish in the blind hole, and the last articulated backup plate that has of ka tai runs through on one side of the backup plate and is equipped with the opening, and opening one side is equipped with spacing groove, spacing groove and blind hole sliding connection.
In the preferred scheme, linkage is equipped with the fixing base including two relative baffles that set up between two baffles, and threaded connection has the curb plate on the baffle, runs through on the curb plate and is equipped with first through-hole, is equipped with the movable groove on the baffle, and the movable groove is located curb plate one side, and the picture peg is worn to be equipped with in the movable groove, runs through on the picture peg and is equipped with the second through-hole, second through-hole size and first through-hole size phase-match, and the picture peg passes through third screw and curb plate connection, and one side of keeping away from the fixing base on the baffle is equipped with the third through-hole.
In a preferable scheme, a second screw is further arranged on the baffle plate, and the second screw is in threaded connection with the baffle plate.
In the preferred scheme, limiting plates are symmetrically arranged on two sides of the third through hole and are connected with the baffle through first screws.
In the preferred scheme, the fixing base includes connecting portion and contact site, wears to be equipped with the connecting axle in the connecting portion, is equipped with the screw thread on the connecting axle, and the connecting axle passes through the nut and the baffle is connected, and the bottom size of contact site is greater than the overall dimension of connecting portion, and the contact site bottom supports and leans on the up end at the portal crossbeam, and fixing base upper portion still threaded connection has the staple, and the staple is used for spacing fixedly to the connecting axle.
In a preferable scheme, the top of the portal frame unit is also provided with a safety guardrail.
The invention has the beneficial effects that: through quick equipment portal, the efficiency of construction has been promoted by a wide margin, the inconvenient problem of narrow and small space inner formword transport in the utility tunnel construction has been successfully solved, can full play its light in the utility tunnel construction, swift advantage, improve template conveying efficiency, accelerate the construction progress and reduce the construction risk, in the process of template transportation, can adjust and can guarantee that the template is fixed firm according to the template thickness, owing to set up linkage, the volume of rocking of having guaranteed the template during hoist and mount is little, hoist and mount point can not remove, hoist and mount more steadily, the safety of construction has been ensured. Meanwhile, the invention reduces the investment of personnel and machinery, improves the automation level of construction, reduces the construction cost and has obvious economic benefit.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic right view of the present invention;
FIG. 4 is a schematic view of the overall construction of the suspension of the present invention;
FIG. 5 is an exploded view of the suspension of the present invention;
FIG. 6 is a schematic view of the overall structure of the load-bearing corbel of the present invention;
FIG. 7 is an exploded view of a load-bearing corbel of the present invention;
FIG. 8 is a schematic right view of a load-bearing corbel of the present invention;
figure 9 is a schematic cross-sectional view a-a of the load bearing corbel of the present invention.
In the figure: a traveling rail 1; a traveling wheel 2; a load-bearing corbel 3; a support tube 301; a sliding tube 302; a backup plate 303; a pressure lever 304; a locking pin 305; a pin 306; a first threaded hole 307; a second threaded hole 308; a chute 309; a straight groove 310; a bump 311; a chuck 312; an opening 313; a limiting groove 314; a blind hole 315; a spring 316; a longitudinal beam 4; a gantry upright 5; a gantry connecting rod 6; a gantry diagonal brace 7; a suspension device 8; a baffle 801; a fixed base 802; side plates 803; a plug board 804; a limiting plate 805; a first screw 806; a second screw 807; a third screw 808; a fourth screw 809; a fixing nail 810; a first via 811; a second via 812; a third through hole 813; a movable slot 814; a connecting portion 815; a contact portion 816; a connecting shaft 817; a nut 818; a gantry beam 9; a chain block 10; a safety barrier 11; a support rod 12; a wear-resistant layer 13; a first shear support 14; a second shear support 15; a node fixing plate 16; a fixing rod 17; a gantry unit 18; an outer formwork 19; a spud pile 20; a round bar 21.
Detailed Description
As shown in fig. 1-9, a comprehensive pipe gallery integrated light movable portal system comprises a plurality of portal units 18 arranged in parallel, wherein each portal unit 18 comprises two portal uprights 5 arranged oppositely, the upper ends of the two portal uprights 5 are connected through a portal cross beam 9, and the lower ends of the portal uprights 5 are fixedly arranged on longitudinal beams 4;
a reinforcing unit is arranged between every two gantry units 18 and comprises a plurality of first shearing supports 14 and second shearing supports 15 which are arranged oppositely, the first shearing supports 14 are arranged at the tops of the gantry units 18 in a crossed mode, and the second shearing supports 15 are symmetrically arranged on two sides of the gantry units 18;
the reinforcing unit further comprises two opposite gantry connecting rods 6 and two fixing rods 17, the gantry connecting rods 6 are arranged in the middle of the gantry unit 18, the gantry connecting rods 6 are located on the outer side of the gantry unit 18, the fixing rods 17 are arranged at the top of the gantry unit 18 in parallel, and the fixing rods 17 are connected with the first shear braces 14;
a gantry inclined strut 7 is further arranged between the gantry upright stanchion 5 and the gantry beam 9, a plurality of suspension devices 8 are sleeved on the gantry beam 9, and a hand-operated block 10 and a support rod 12 are detachably arranged on the suspension devices 8;
the bottom of longeron 4 is equipped with a plurality of walking wheels 2 of symmetry, and walking wheel 2 establishes on walking track 1.
Longeron 4 adopts the channel-section steel, and portal connecting rod 6 adopts the angle steel, and the portal crossbeam adopts the I-steel, structure from this to make the facility of drawing materials, it is convenient to make simultaneously, and is guaranteeing that overall structure is stable, and the bearing capacity is better, and the quantity of portal unit 18 can be adjusted according to the demand of using, and linkage 8 is fixed to bracing piece 12, can place the template installation part on the bracing piece 12, make full use of headspace.
In a preferred scheme, a node fixing plate 16 is arranged in the middle of the second shear support 15, and a node fixing plate 16 is arranged in the middle of the first shear support 14. With the structure, the connection is firmer, the node fixing plate 16 ensures more balanced stress, and stress concentration is avoided.
In a preferable scheme, the gantry upright stanchion 5 is further provided with a bearing bracket 3, the bearing bracket 3 is positioned on the inner side of the gantry unit 18, and the bearing bracket 3 is used for supporting the bottom of the outer formwork 19. 19 one side of exterior sheathing is equipped with spud pile 20, and 19 upper ends of exterior sheathing hoist and mount to the design position after, connect spud pile 20 and portal pole setting 5 fixedly through the rope, structure from this to make the safety of 19 transports of exterior sheathing, avoid exterior sheathing 19 because rock and cause the holistic unstability of portal in the transportation.
In a preferable scheme, the bearing bracket 3 comprises a supporting tube 301, one side of the supporting tube 301 is fixedly connected with a gantry upright stanchion 5, a sliding groove 309 is arranged in the supporting tube 301, a sliding tube 302 is arranged in the sliding groove 309 in a sliding manner, a first threaded hole 307 is arranged at one side of the supporting tube 301, a plurality of second threaded holes 308 are arranged at one side of the sliding tube 302 in parallel, the diameters of the first threaded hole 307 and the second threaded holes 308 are equal, and the supporting tube 301 is connected with the sliding tube 302 through a locking nail 305;
the upper part of the sliding groove 309 is provided with a straight groove 310, the upper part of the sliding tube 302 is provided with a convex block 311, the shape of the convex block 311 is matched with that of the straight groove 310, one side of the sliding tube 302 is provided with a clamping table 312, and the height of the clamping table 312 is higher than that of the top of the supporting tube 301. From this structure to make through the position that changes slide tube 302, can change the contact length of bearing bracket 3, the height of lug 311 is the same with the top surface height of stay tube 301, when having guaranteed to support exterior sheathing 19, area of contact is big, and pressure is little, and is whole more steady, and the card platform 312 then can play the effect of spacing locking to exterior sheathing 19.
In a preferable scheme, a blind hole 315 is formed in one side of the sliding tube 302, a spring 316 is arranged in the blind hole 315, a compression bar 304 is arranged on one side of the spring 316, the compression bar 304 is arranged in the blind hole 315 in a penetrating manner, a backup plate 303 is hinged to the clamping table 312, an opening 313 is arranged on one side of the backup plate 303 in a penetrating manner, a limiting groove 314 is arranged on one side of the opening 313, and the limiting groove 314 is in sliding connection with the blind hole 315. Backup plate 303 is connected through round pin axle 306 and ka tai 312, and the tip cross-section of backup plate 303 is circular-arc, from this structure to make backup plate 303 play the spacing effect of auxiliary stay in the top of stay tube 301 to cope match-plate pattern 19, the change of multi-angle can be adapted to the circular arc tip of backup plate 303, and is more firm to cope match-plate pattern 19 overall fixation, and can adapt to the cope match-plate pattern 19 of different thickness, and the commonality is good.
In a preferred scheme, the suspension device 8 comprises two oppositely-arranged baffle plates 801, a fixing seat 802 is arranged between the two baffle plates 801, a side plate 803 is connected to the baffle plates 801 in a threaded manner, a first through hole 811 is arranged on the side plate 803 in a penetrating manner, a movable groove 814 is arranged on the baffle plate 801, the movable groove 814 is positioned on one side of the side plate 803, an inserting plate 804 is arranged in the movable groove 814 in a penetrating manner, a second through hole 812 is arranged on the inserting plate 804 in a penetrating manner, the size of the second through hole 812 is matched with that of the first through hole 811, the inserting plate 804 is connected with the side plate 803 through a third screw 808, and a third through hole 813 is arranged on one side, far away from the fixing seat 802, of the baffle plate 801. Inboard detachable of baffle 801 is equipped with wearing layer 13, from this structure, so that laminating that linkage 8 can be complete is in the outside of portal crossbeam 9, prevented in the hoist and mount in-process, the displacement that produces because the atress is unbalanced slides, shakiness when having avoided hoist and mount, adjust the width that the distance between two baffles 801 adapts to different portal crossbeams 9, adjustment picture peg 804 and curb plate 803 distance can adapt to the thickness of different portal crossbeams 9, wearing layer 13 plays the guard action to portal crossbeam 9 simultaneously, the quick wearing and tearing in the portal crossbeam 9 outside have been avoided, therefore, the commonality is good, wide application scope.
In a preferred embodiment, a second screw 807 is further disposed on the baffle 801, and the second screw 807 is in threaded connection with the baffle 801. With the structure, the position of the second screw 807 can be adjusted, the end part of the second screw 807 is abutted against the side wall of the gantry beam 9, the auxiliary limiting effect is achieved, and the suspension device 8 is prevented from moving relative to the gantry beam 9.
In a preferable scheme, limiting plates 805 are symmetrically arranged on two sides of the third through hole 813, and the limiting plates 805 are connected with the baffle 801 through first screws 806. When the supporting rod 12 is installed, the supporting rod 12 is installed in the third through hole 813, limiting holes are formed in two sides of the supporting rod 12, and a fourth screw 809 penetrates through the limiting holes, so that the fourth screw 809 limits the supporting rod 12; when installing chain block 10, installation round bar 21 in third through hole 813, round bar 21 structure and bracing piece 12 are the same, round bar 21 both sides are equipped with spacing hole, spacing fixing in third through hole 813 through fourth screw 809, then establish the couple cover of chain block 10 on round bar 21, structure from this, so that convenient to use, third through hole 813 can adapt to the installation of chain block 10 and bracing piece 12 simultaneously, the efficiency of construction is high, and the whole maintenance is with low costs, it is convenient to replace.
In a preferred scheme, the fixing seat 802 comprises a connecting portion 815 and a contact portion 816, a connecting shaft 817 penetrates through the connecting portion 815, threads are arranged on the connecting shaft 817, the connecting shaft 817 is connected with the baffle 801 through a nut 818, the bottom size of the contact portion 816 is larger than the external size of the connecting portion 815, the bottom of the contact portion 816 abuts against the upper end face of the gantry beam 9, a fixing nail 810 is further connected to the upper portion of the fixing seat 802 in a threaded mode, and the fixing nail 810 is used for limiting and fixing the connecting shaft 817. From this structure to make fixing base 802 and portal crossbeam 9 fully laminate, guaranteed holistic stability, and lifting surface is bigger, and the weight that can bear is bigger, and overall stability is better.
In a preferred scheme, a safety barrier 11 is further arranged at the top of the portal unit 18. The structure ensures safe use and guarantees the overhaul and operation of personnel.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a light-duty removal portal system of utility tunnel integration, characterized by: the gantry device comprises a plurality of gantry units (18) which are arranged in parallel, wherein each gantry unit (18) comprises two gantry vertical rods (5) which are arranged oppositely, the upper ends of the two gantry vertical rods (5) are connected through a gantry beam (9), and the lower ends of the gantry vertical rods (5) are fixedly arranged on longitudinal beams (4);
a reinforcing unit is arranged between every two gantry units (18), the reinforcing unit comprises a plurality of first shearing supports (14) and second shearing supports (15) which are arranged oppositely, the first shearing supports (14) are arranged at the tops of the gantry units (18) in a crossed mode, and the second shearing supports (15) are symmetrically arranged on two sides of the gantry units (18);
the reinforcing unit further comprises two portal connecting rods (6) and two fixing rods (17), wherein the two portal connecting rods (6) and the two fixing rods (17) are oppositely arranged, the portal connecting rods (6) are arranged in the middle of the portal unit (18), the portal connecting rods (6) are located on the outer side of the portal unit (18), the fixing rods (17) are arranged at the top of the portal unit (18) in parallel, and the fixing rods (17) are connected with the first shearing brace (14);
a gantry inclined strut (7) is further arranged between the gantry upright stanchion (5) and the gantry beam (9), a plurality of suspension devices (8) are sleeved on the gantry beam (9), and a manual hoist (10) and a support rod (12) are detachably arranged on each suspension device (8);
the bottom of the longitudinal beam (4) is symmetrically provided with a plurality of walking wheels (2), and the walking wheels (2) are arranged on the walking track (1).
2. The utility tunnel integrated light-duty movable portal system of claim 1, characterized in that: the middle part of the second shearing support (15) is provided with a node fixing plate (16), and the middle part of the first shearing support (14) is provided with a node fixing plate (16).
3. The utility tunnel integrated light-duty movable portal system of claim 1, characterized in that: the gantry upright stanchion (5) is further provided with a bearing bracket (3), the bearing bracket (3) is positioned on the inner side of the gantry unit (18), and the bearing bracket (3) is used for supporting the bottom of the external template (19).
4. The utility tunnel integrated light-duty moving gantry system of claim 3, characterized in that: the bearing bracket (3) comprises a supporting pipe (301), one side of the supporting pipe (301) is fixedly connected with a gantry upright stanchion (5), a sliding groove (309) is arranged in the supporting pipe (301), a sliding pipe (302) is arranged in the sliding groove (309), a first threaded hole (307) is arranged on one side of the supporting pipe (301), a plurality of second threaded holes (308) are arranged in parallel on one side of the sliding pipe (302), the diameters of the first threaded hole (307) and the second threaded hole (308) are equal, and the supporting pipe (301) is connected with the sliding pipe (302) through a locking nail (305);
a straight groove (310) is arranged at the upper part of the sliding groove (309), a convex block (311) is arranged at the upper part of the sliding pipe (302), the shape of the convex block (311) is matched with that of the straight groove (310), a clamping table (312) is arranged at one side of the sliding pipe (302), and the height of the clamping table (312) is higher than that of the top of the supporting pipe (301).
5. The utility tunnel integrated light-duty moving gantry system of claim 4, characterized in that: the sliding tube (302) is provided with a blind hole (315) on one side, a spring (316) is arranged in the blind hole (315), a compression rod (304) is arranged on one side of the spring (316), the compression rod (304) penetrates through the blind hole (315), a backup plate (303) is hinged to a clamping table (312), an opening (313) is arranged on one side of the backup plate (303) in a penetrating mode, a limiting groove (314) is arranged on one side of the opening (313), and the limiting groove (314) is connected with the blind hole (315) in a sliding mode.
6. The utility tunnel integrated light-duty movable portal system of claim 1, characterized in that: hanging device (8) are including two baffle (801) of relative setting, be equipped with fixing base (802) between two baffle (801), threaded connection has curb plate (803) on baffle (801), it is equipped with first through-hole (811) to run through on curb plate (803), be equipped with activity groove (814) on baffle (801), activity groove (814) are located curb plate (803) one side, picture peg (804) are worn to be equipped with in activity groove (814), it is equipped with second through-hole (812) to run through on picture peg (804), second through-hole (812) size and first through-hole (811) size phase-match, picture peg (804) are connected through third screw (808) and curb plate (803), the one side of keeping away from fixing base (802) on baffle (801) is equipped with third through-hole (813).
7. The utility tunnel integrated light-duty moving gantry system of claim 6, characterized in that: the baffle (801) is further provided with a second screw (807), and the second screw (807) is in threaded connection with the baffle (801).
8. The utility tunnel integrated light-duty moving gantry system of claim 6, characterized in that: limiting plates (805) are symmetrically arranged on two sides of the third through hole (813), and the limiting plates (805) are connected with the baffle (801) through first screws (806).
9. The utility tunnel integrated light-duty movable portal system of claim 1, characterized in that: the fixing seat (802) comprises a connecting portion (815) and a contact portion (816), a connecting shaft (817) penetrates through the connecting portion (815), threads are arranged on the connecting shaft (817), the connecting shaft (817) is connected with a baffle (801) through a nut (818), the bottom size of the contact portion (816) is larger than the overall dimension of the connecting portion (815), the bottom of the contact portion (816) abuts against the upper end face of a gantry beam (9), a fixing nail (810) is further connected to the upper portion of the fixing seat (802) through threads, and the fixing nail (810) is used for limiting and fixing the connecting shaft (817).
10. The utility tunnel integrated light-duty movable portal system of claim 1, characterized in that: and a safety guardrail (11) is further arranged at the top of the portal unit (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110683701.XA CN113336104B (en) | 2021-06-18 | 2021-06-18 | Integrated light movable door frame system of comprehensive pipe rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110683701.XA CN113336104B (en) | 2021-06-18 | 2021-06-18 | Integrated light movable door frame system of comprehensive pipe rack |
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| Publication Number | Publication Date |
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| CN113336104A true CN113336104A (en) | 2021-09-03 |
| CN113336104B CN113336104B (en) | 2023-06-06 |
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| CN202110683701.XA Active CN113336104B (en) | 2021-06-18 | 2021-06-18 | Integrated light movable door frame system of comprehensive pipe rack |
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| DE10241051A1 (en) * | 2002-08-30 | 2004-03-11 | Demag Cranes & Components Gmbh | Hoist, especially chain hoist, has pulley, weight-carrier, and two-part housing containing motor connected to drive-gear, with tensioning-pieces, seals ad separate motor-chamber |
| CN102261051A (en) * | 2011-06-03 | 2011-11-30 | 中交第二航务工程局有限公司 | Gantry for casting breast wall and construction process thereof |
| CN202544854U (en) * | 2011-12-09 | 2012-11-21 | 中国建筑第八工程局有限公司 | Lining trolley for subway station |
| CN202415008U (en) * | 2011-12-23 | 2012-09-05 | 中铁二局股份有限公司 | Fine-adjustment gantry crane for fine adjustment and positioning of CRTS (china railway track system) type-III track slabs |
| CN203794484U (en) * | 2013-12-18 | 2014-08-27 | 金川集团股份有限公司 | Transferring device for copper anode plates |
| CN103967050A (en) * | 2014-01-29 | 2014-08-06 | 广州机施建设集团有限公司 | Construction system of subway station |
| CN105569692A (en) * | 2016-01-29 | 2016-05-11 | 黄高飞 | Trolley for welding tunnel waterproof board hanging cloth |
| WO2020114838A1 (en) * | 2018-12-03 | 2020-06-11 | Robel Bahnbaumaschinen Gmbh | Maintenance system and method for maintaining a track |
| CN112744718A (en) * | 2019-10-29 | 2021-05-04 | 湖南双环纤维成型设备有限公司 | Small-sized gantry crane for mechanical equipment transportation |
| CN212924170U (en) * | 2020-08-28 | 2021-04-09 | 中交第二航务工程局有限公司 | Light door machine system for mounting prefabricated panel of wharf |
| CN213265442U (en) * | 2021-04-23 | 2021-05-25 | 河南省天桥重型机械有限公司 | Movable assembled gantry crane |
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| CN113336104B (en) | 2023-06-06 |
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