CN214089541U

CN214089541U - Template bearing structure is contained to folded cascade case

Info

Publication number: CN214089541U
Application number: CN202022591583.3U
Authority: CN
Inventors: 覃辉煌; 付涛; 江蕾; 曾庆峰
Original assignee: Shenzhen Dongshen Engineering Co ltd
Current assignee: Shenzhen Dongshen Engineering Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-08-31
Anticipated expiration: 2030-11-10

Abstract

The application relates to a foldable box culvert template supporting structure, which comprises two trusses arranged at intervals along the vertical direction, a plurality of connecting devices arranged between the two trusses and a travelling mechanism arranged on the truss below the connecting devices; the connecting device comprises two connecting rods and a hinge rod arranged between the two connecting rods, the two connecting rods are respectively hinged with the two trusses, two ends of the hinge rod are respectively hinged with the two connecting rods, and the two connecting rods and the hinge rod are positioned on the same vertical line; hydraulic cylinders are arranged on the truss above and each connecting rod; the connecting device further comprises a driving mechanism which is arranged on the truss below and used for driving the hinge rod to rotate along the hinge joint of the connecting rod below and the truss below. This application has the effect that reduces box culvert template bearing structure volume, be convenient for transportation and transport.

Description

Template bearing structure is contained to folded cascade case

Technical Field

The application relates to the field of box culvert construction equipment, in particular to a foldable box culvert template supporting structure.

Background

The box culvert is a culvert built by reinforced concrete box-shaped pipes, and consists of one or more square or rectangular sections. When the box culvert is constructed, the inner formwork and the outer formwork are generally matched with each other to form a pouring space, and then concrete is poured into the pouring space to form the box culvert.

The supporting structure of the inner template is mainly provided with a plurality of hydraulic cylinders arranged on the frame, the inner template is arranged on the hydraulic cylinders, the hydraulic cylinders can drive the inner template to move, and meanwhile, the walking mechanism is arranged at the bottom of the frame, so that the whole supporting structure can move. When the formwork is erected, the inner formwork is erected in the direction far away from the framework by using the hydraulic cylinders, after the pouring is completed, the inner formwork is retracted by the hydraulic cylinders, and the whole supporting structure and the inner formwork are driven by the traveling mechanism to move forwards to the next pouring point.

In view of the above-mentioned related art, the inventor believes that the frame of the current inner formwork support structure is large in size and has the defect of being unfavorable for transportation and carrying.

Disclosure of Invention

In order to reduce box culvert template bearing structure's volume, this application provides a folded cascade box culvert template bearing structure.

The application provides a folded cascade box culvert template bearing structure adopts following technical scheme:

a foldable box culvert template comprises two trusses arranged at intervals in the vertical direction, a plurality of connecting devices arranged between the two trusses and a travelling mechanism arranged on the truss below the connecting devices;

the connecting device comprises two connecting rods and a hinge rod arranged between the two connecting rods, the two connecting rods are respectively hinged with the two trusses, two ends of the hinge rod are respectively hinged with the two connecting rods, and the two connecting rods and the hinge rod are positioned on the same vertical line; hydraulic cylinders are arranged on the truss above and each connecting rod;

the connecting device further comprises a driving mechanism which is arranged on the truss below and used for driving the hinge rod to rotate along the hinge joint of the connecting rod below and the truss below.

By adopting the technical scheme, the upper truss, the lower truss and the connecting device between the two trusses form a movable frame, when the box culvert is poured, the inner formworks are firstly installed on the plurality of hydraulic cylinders, the outer formworks are built, and finally the inner formworks and the outer formworks are spliced together by using the pull rods, so that a pouring space of the box culvert is formed; after the pouring work is finished, the inner formwork is detached, then the driving mechanism is started, the driving mechanism drives all the hinged rods to rotate towards one side of the truss below, the two connecting rods can be driven to rotate together with the hinged rods in the rotating process of the hinged rods, the included angle between the two connecting rods can be gradually reduced, and the truss above is gradually moved downwards until the two trusses are stacked together, so that the space occupied by the two trusses in height is reduced, the function of folding the supporting structure is realized, and the transportation and the carrying of the trusses are facilitated; on the contrary, when the driving mechanism is used for driving the plurality of hinged rods to rotate towards one side of the truss far away from the lower part, the two connecting rods can prop up the two trusses, and the operation process is simple and convenient.

Optionally, the driving mechanism includes a plurality of connecting shafts, each of the connecting shafts is rotatably connected to the hinge rod, and axes of the connecting shafts are parallel to each other;

each connecting shaft is rotatably connected with a rocker, an articulated shaft is fixedly arranged at one end of the rocker, which is far away from the connecting shaft, a plurality of articulated seats are fixedly arranged on the truss below the rocker, the articulated shaft is rotatably connected to the articulated seats, and the axis of the articulated shaft is superposed with the rotating axis of the connecting rod at the corresponding side;

the length of the plurality of rocking bars is equal and the rocking bars are parallel to each other, and the driving mechanism further comprises a linkage assembly for driving the plurality of rocking bars to rotate together.

Through adopting above-mentioned technical scheme, when folding two trusses, use the linkage subassembly to drive a plurality of rockers simultaneously and rotate, the rocker rotates truss one side below, and the rocker drives the hinge bar and rotates rather than together when pivoted to realize a plurality of hinge bar synchronous motion's function.

Optionally, the linkage assembly comprises a transmission shaft rotatably connected to the truss below and a driving motor arranged on the truss below, the transmission shaft is connected with the driving motor, and a gear set is arranged between the transmission shaft and each hinged shaft.

Through adopting above-mentioned technical scheme, driving motor drives the transmission shaft and rotates, and the transmission shaft drives a plurality of gear train functions simultaneously to realize the synchronous pivoted function of a plurality of rockers.

Optionally, a gear box is arranged at each group of gear sets of the truss below, and the gear sets are installed in the corresponding gear boxes.

By adopting the technical scheme: because the construction environment of box culvert is comparatively abominable, can contain a large amount of dust and raise dust, install the gear train in the gear box, play the guard action to the gear train, reduce the contact of dust and gear train.

Optionally, the transmission shaft includes a plurality of main shafts, and is a plurality of the axis coincidence of main shaft, and every adjacent two be provided with the shaft coupling between the main shaft.

Through adopting above-mentioned technical scheme, a plurality of main shafts pass through the shaft coupling concatenation and form the transmission shaft to can reduce the required processing length of whole transmission shaft, reduce the cost, simultaneously, its intensity of longer transmission shaft is also lower, uses the structural strength that a plurality of main shafts can also increase whole transmission shaft, guarantees the stability among the power transmission process.

Optionally, an air spring is further disposed between the upper connecting rod and the upper truss, a cylinder body of the air spring is hinged to the upper truss, and a piston rod of the air spring is hinged to the corresponding connecting rod after being inclined downwards.

Through adopting above-mentioned technical scheme, when the connecting rod of top removed, the flexible of drive air spring that can be corresponding, the air spring can also increase the joint strength between top connecting rod and the top truss, improves the holding power to the inner formword.

Optionally, the connecting device further comprises a fixing member disposed between the two connecting rods.

Through adopting above-mentioned technical scheme, the mounting can link together two connecting rods, improves the support intensity of two connecting rods to two trusses.

Optionally, the fixing member includes two clamping plates, a fixing block disposed between the two clamping plates, and a fixing bolt disposed on the two clamping plates and the fixing block; the both ends of fixed block respectively with two splint butts, fixed block and two splint pass through fixing bolt to be connected.

By adopting the technical scheme: after two connecting rods are connected and are vertical state, two splint also are the parallel state thereupon, place the fixed block between two splint this moment to use fixing bolt to link together two splint, can play the fixed action to two connecting rods, improve the joint strength of two connecting rods, corresponding improvement connecting device to the support strength of two trusses.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the function of adjusting the distance between the two trusses is realized by changing the included angle between the two connecting rods, and after the box culvert is poured, the upper truss is moved downwards to the lower truss, so that the occupied space of the whole supporting structure is reduced, and the supporting structure is convenient to transport and carry;

2. the driving mechanism realizes the rotation of the plurality of hinged rods through the common rotation of the plurality of rocking rods, and the plurality of rocking rods are driven by the rotation of the driving motor and the transmission shaft, so that the control mode is simple and convenient;

3. still be provided with the mounting between two connecting rods, make two connecting rods prop up two trusses and then be connected to improve the holding power to two trusses, guarantee whole bearing structure's stability.

Drawings

Fig. 1 is a schematic view of a support structure in an embodiment of the present application.

Fig. 2 is a sectional view showing the position of the drive mechanism.

Fig. 3 is a partial exploded view showing the structure of the gear train and the drive shaft.

Fig. 4 is a partial exploded view showing a connection relationship of an upper connecting rod, a lower connecting rod and a fixing member.

Description of reference numerals: 1. a traveling mechanism; 11. a transmission case; 12. a traveling wheel; 13. a traveling motor; 14. a guide rail; 15. a rail clamp; 2. a hydraulic cylinder; 3. an upper truss; 31. an upper cross beam; 32. an upper longitudinal beam; 4. a lower truss; 41. a lower cross beam; 42. a lower longitudinal beam; 5. a hinged lever; 6. an upper connecting rod; 61. a gas spring; 7. a lower connecting rod; 8. a drive mechanism; 81. a connecting shaft; 82. a rocker; 83. hinging a shaft; 84. a hinged seat; 85. a linkage assembly; 851. a drive shaft; 8511. a main shaft; 8512. a coupling; 852. a drive motor; 853. a gear set; 854. a gear case; 86. a guide bar; 9. a fixing member; 91. a splint; 92. a fixed block; 93. and (5) fixing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses folded cascade box culvert template bearing structure. Referring to fig. 1, the support structure includes two trusses, a plurality of connection devices disposed between the two trusses, a traveling mechanism 1 disposed on the trusses, and a plurality of hydraulic cylinders 2; the trusses comprise two cross beams and a plurality of longitudinal beams arranged between the two cross beams, two ends of each longitudinal beam are respectively fixedly connected with the two cross beams, the longitudinal beams are uniformly distributed at intervals along the length direction of the cross beams, the two trusses are arranged at intervals along the vertical direction, and the longitudinal beams in the two trusses are in one-to-one correspondence; for convenience of description, the truss located above is named as an upper truss 3, the truss located below is named as a lower truss 4, and the cross beams and the longitudinal beams in the upper truss 3 are named as an upper cross beam 31 and an upper longitudinal beam 32, respectively, and the cross beams and the longitudinal beams in the lower truss 4 are named as a lower cross beam 41 and a lower longitudinal beam 42, respectively. The plurality of connecting devices correspond to the plurality of upper longitudinal beams 32 and the plurality of lower longitudinal beams 42 one to one, so that one connecting device is arranged on each longitudinal beam on two sides of the cross beam; part of the hydraulic cylinders 2 are arranged on the upper longitudinal beam 32 and used for connecting the inner templates at the top, and the rest of the hydraulic cylinders 2 are respectively arranged on the connecting devices at the two sides of the longitudinal beam and used for supporting the inner templates at the two sides; the travelling mechanism 1 is arranged on the truss below and used for driving the whole supporting structure to move.

Referring to fig. 1, the connecting device includes a hinge rod 5 and two connecting rods respectively disposed at two ends of the hinge rod 5, the connecting rods and the hinge rod 5 are both disposed along a vertical direction, and two ends of the hinge rod 5 are respectively hinged to the two connecting rods; meanwhile, for convenience of description, a connecting rod located above the hinge lever 5 is named as an upper connecting rod 6, and a connecting rod located below the hinge lever 5 is named as a lower connecting rod 7; the one end that hinge bar 5 was kept away from to upper tie rod 6 is articulated with entablature 31, and the one end that hinge bar 5 was kept away from to lower tie rod 7 is articulated with bottom end rail 41, and the pneumatic cylinder 2 that is located both sides then equipartition is on upper tie rod 6 and lower tie rod 7. The connecting device further comprises a driving mechanism 8, and the driving mechanism 8 is used for driving all the hinge rods 5 to rotate along the hinge points of the corresponding lower connecting rods 7 and the lower cross beam 41.

Prop up the inner formword through a plurality of pneumatic cylinders 2, pour the work to the box culvert, after pouring the work and accomplish, can drive 5 side rotations of articulated mast to 4 one sides of truss down by actuating mechanism 8, the articulated mast 5 pivoted in-process drives and its two connecting rods of being connected also corresponding removal, along with the rotation of articulated mast 5, the contained angle of going up connecting rod 6 and lower connecting rod 7 diminishes gradually, make the interval of going up truss 3 and truss 4 down also diminish thereupon, reduce whole bearing structure's volume with this, be convenient for follow-up transportation and the transport to bearing structure.

Referring to fig. 1, a gas spring 61 is arranged between the upper cross beam 31 and each upper connecting rod 6, a cylinder body of the gas spring 61 is hinged on the upper cross beam 31, and a piston rod is hinged on the upper connecting rod 6; the gas spring 61 increases the coupling strength between the upper connecting rod 6 and the upper cross member 31, and when the upper connecting rod 6 moves, the gas spring 61 moves along with it without interfering with the movement of the upper connecting rod 6, and also can guide the movement of the upper connecting rod 6.

Referring to fig. 2 and 3, the driving mechanism 8 includes a plurality of connecting shafts 81, the plurality of connecting shafts 81 correspond to the plurality of longitudinal sills 42 one by one, the connecting shafts 81 are arranged along the length direction of the longitudinal sills 42, and both ends of the connecting shafts 81 along the axial direction thereof are respectively rotatably connected to the two corresponding hinge rods 5; the connecting shaft 81 is rotatably connected with a rocker 82 along the axial middle part, one end of the rocker 82, which is far away from the connecting shaft 81, vertically extends downwards to the upper part of the lower longitudinal beams 42, a hinge shaft 83 is fixedly arranged at the bottom end of the rocker 82, a hinge seat 84 is fixedly arranged on each lower longitudinal beam 42, the hinge shaft 83 is rotatably connected to the hinge seats 84, and the axis of the hinge shaft 83 coincides with the axis of a hinge joint of the lower connecting rod 7 and the lower cross beam 41; the driving mechanism 8 further comprises a linkage component 85 which drives the hinge shafts 83 to synchronously rotate, the linkage component 85 drives the rocker 82 to rotate, the rocker 82 drives the connecting shaft 81 and the hinge rod 5 connected with the connecting shaft 81 to rotate, and the function of downward moving and folding the upper truss 3 is realized.

Referring to fig. 2, the plurality of connecting shafts 81 are further provided with guide rods 86, the guide rods 86 are arranged along the length direction of the lower cross beam 41, and each connecting shaft 81 penetrates through the guide rods 86 to be rotatably connected with the guide rods 86, so that the guide rods 86 and the plurality of rocking bars 82 form a parallelogram, the rotation angle of each rocking bar 82 is kept consistent, and the stability of the upper truss 3 in the moving process is effectively guaranteed.

Referring to fig. 2 and 3, linkage assembly 85 includes a drive shaft 851 rotatably coupled to lower truss 4 and a drive motor 852 mounted to lower truss 4; the transmission shaft 851 is arranged along the length direction of the lower cross beam 41, the two ends of the transmission shaft 851 along the axial direction thereof are respectively connected with the upper parts of the two outermost side sills 42 in a rotating way, and the driving motor 852 is arranged on one of the side sills 42, so that the driving motor 852 can drive the transmission shaft 851 to rotate.

Referring to fig. 2 and 3, the transmission shaft 851 passes through each hinge shaft 83, and a gear set 853 is arranged between the transmission shaft 851 and each hinge shaft 83, because the axes of the hinge shafts 83 and the transmission shaft 851 are perpendicular to each other, the gear set 853 can select two bevel gears, or select the matching of a spur gear and a crown gear, or select other gear transmission forms of perpendicular transmission, when the transmission shaft 851 rotates, the function of driving the multiple hinge shafts 83 to rotate synchronously through the multiple gear sets 853 is realized, in this embodiment, the transmission between the transmission shaft 851 and the hinge shaft 83 is realized by selecting the mutual meshing of the two bevel gears.

Referring to fig. 3, each lower longitudinal beam 42 is fixedly provided with a gear box 854, a plurality of gear sets 853 are in one-to-one correspondence with the gear boxes 854, and the gear sets 853 are installed in the corresponding gear boxes 854; because the pouring site environment of the box culvert is severe, a large amount of dust and flying dust exist, the gear box 854 can effectively reduce the phenomenon that the external dust enters the gear set 853, and the stability of the operation of the linkage assembly 85 is ensured.

Referring to fig. 3, since the length of the entire cross beam is long, if the transmission shaft 851 is integrally formed, the transmission shaft 851 has a weak structural strength, is easily bent, and has a high manufacturing cost. In order to avoid these problems, the transmission shaft 851 comprises a plurality of main shafts 8511, a coupling 8512 is arranged between every two adjacent main shafts 8511, and the transmission shaft 851 is formed by matching the plurality of main shafts 8511 and the coupling 8512, so that the processing length of the transmission shaft 851 can be reduced, the processing cost can be reduced, and the overall structural strength of the transmission shaft 851 can be improved.

Further, referring to fig. 1, in order to improve the connection strength after the two trusses are supported by the two link rods, a fixing member 9 is further provided between the two link rods, and the fixing member 9 detachably connects the two link rods.

Referring to fig. 4, the fixing member 9 includes two clamping plates 91, the two clamping plates 91 correspond to the two connecting rods one by one, the clamping plates 91 are perpendicular to the connecting rods, and the two clamping plates 91 are parallel to each other; a fixing block 92 is arranged between the two clamping plates 91, and the upper end and the lower end of the fixing block 92 are respectively abutted against the two clamping plates 91; the fixing member 9 further includes a fixing bolt 93, and the fixing bolt 93 penetrates through the two clamping plates 91 and the fixing block 92 to connect the three together, so that the positions of the two connecting rods are fixed, and the supporting strength of the two trusses is improved.

Referring to fig. 1, the traveling mechanism 1 includes transmission cases 11 disposed at both ends of each lower beam 41, traveling wheels 12 rotatably connected to the transmission cases 11, and a traveling motor 13 disposed on the transmission cases 11, and the traveling motor 13 drives the traveling wheels 12 to rotate through the transmission cases 11; the travelling mechanism 1 further comprises a plurality of guide rails 14, the two guide rails 14 are respectively positioned below the two lower cross beams 41, and the travelling wheels 12 are abutted to the corresponding guide rails 14 to roll; two tracks of installation on the box culvert base now, place walking wheel 12 on the track that corresponds again, can drive walking wheel 12 through walking motor 13 and rotate, under the effect of frictional force, walking wheel 12 moves on the track, makes two trusses move on the track, realizes the removal function to the inner formword.

Referring to fig. 1, the walking structure further comprises a rail clamping device 15, and in the box culvert pouring process, the truss is fixed with the rail by the rail clamping device 15, so that the truss is prevented from moving on the rail under the action of external wind power and other factors, and the stability of the box culvert pouring process is guaranteed.

The implementation principle of the foldable box culvert template supporting structure provided by the embodiment of the application is as follows: when the box culvert is poured, firstly, installing two guide rails 14 on a high box culvert base which is poured in advance, and after hoisting two trusses by using devices such as a crane and the like, abutting the corresponding travelling wheels 12 to the corresponding tracks; installing an inner template and an outer template on the hydraulic cylinder 2 on the surface of the truss, and forming a pouring space between the inner template and the outer template so as to realize pouring of the box culvert; after the box culvert is poured and is accomplished, use actuating mechanism 8 to drive hinge bar 5 and remove, reduce the contained angle of two connecting rods, make the height reduction of last truss 3, until last truss 3 with 4 butts of truss down to this reduces whole bearing structure's occupation space, subsequent transportation and the transport work of being convenient for.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a folded cascade box culvert template bearing structure which characterized in that: comprises two trusses which are arranged at intervals along the vertical direction, a plurality of connecting devices which are arranged between the two trusses and a walking mechanism (1) which is arranged on the truss below;

the connecting device comprises two connecting rods and a hinge rod (5) arranged between the two connecting rods, the two connecting rods are respectively hinged with the two trusses, two ends of the hinge rod (5) are respectively hinged with the two connecting rods, and the two connecting rods and the hinge rod (5) are positioned on the same vertical line; hydraulic cylinders (2) are arranged on the truss above and each connecting rod;

the connecting device further comprises a driving mechanism (8) which is arranged on the truss below and used for driving the hinge rod (5) to rotate along the hinge joint between the connecting rod below and the truss below.

2. The foldable box culvert template support structure of claim 1, wherein: the driving mechanism (8) comprises a plurality of connecting shafts (81), each connecting shaft (81) is rotatably connected with the hinge rod (5), and the axes of the connecting shafts (81) are parallel to each other;

each connecting shaft (81) is rotatably connected with a rocker (82), one end, far away from the connecting shaft (81), of each rocker (82) is fixedly provided with a hinge shaft (83), the truss below the rocker is fixedly provided with a plurality of hinge seats (84), the hinge shafts (83) are rotatably connected to the hinge seats (84), and the axis of each hinge shaft (83) is superposed with the rotating axis of the corresponding connecting rod on one side;

the lengths of the rocking bars (82) are equal and are parallel to each other, and the driving mechanism (8) further comprises a linkage assembly (85) for driving the rocking bars (82) to rotate together.

3. The foldable box culvert template support structure of claim 2, wherein: the linkage assembly (85) comprises a transmission shaft (851) rotatably connected to the truss below and a driving motor (852) arranged on the truss below, the transmission shaft (851) is connected with the driving motor (852), and a gear set (853) is arranged between the transmission shaft (851) and each articulated shaft (83).

4. The foldable box culvert template support structure of claim 3, wherein: the truss below is provided with a gear box (854) at each gear set (853), and the gear sets (853) are installed in the corresponding gear boxes (854).

5. The foldable box culvert template support structure of claim 3, wherein: the transmission shaft (851) comprises a plurality of main shafts (8511), the axes of the main shafts (8511) are overlapped, and a coupling (8512) is arranged between every two adjacent main shafts (8511).

6. The foldable box culvert template support structure of claim 1, wherein: and a gas spring (61) is also arranged between the upper connecting rod and the upper truss, the cylinder body of the gas spring (61) is hinged on the upper truss, and the piston rod is hinged on the corresponding connecting rod after inclining downwards.

7. The foldable box culvert template support structure of claim 1, wherein: the connecting device also comprises a fixing piece (9) arranged between the two connecting rods.

8. The foldable box culvert template support structure of claim 7, wherein: the fixing piece (9) comprises two clamping plates (91), a fixing block (92) arranged between the two clamping plates (91) and fixing bolts (93) arranged on the two clamping plates (91) and the fixing block (92); the both ends of fixed block (92) respectively with two splint (91) butt, fixed block (92) and two splint (91) are connected through fixing bolt (93).