CN215518440U - Box culvert template trolley - Google Patents

Abstract

The utility model provides a box culvert template trolley, which comprises a base frame, a top plate mould frame, two side plate mould frames and two groups of second telescopic support rod groups, wherein the bottom of the base frame is provided with a wheel group and a first telescopic support rod group, the top plate mould frame is fixedly arranged at the top of the base frame, the top plate mould frame comprises a top plate mould plate and a sealing unit, the top plate mould plate is provided with a window, the window penetrates through the top plate mould plate along the height direction, the sealing unit is positioned at the inner side of the top plate mould plate, the sealing unit comprises a cover plate and a locking member, the cover plate is hinged with the top plate mould plate, the window can be sealed by the cover plate, the locking member is arranged on the top plate mould plate, the locking member can lock the cover plate when the window is sealed by the cover plate, the two side plate mould frames are distributed on two opposite sides of the base frame along the width direction of the base frame, the side plate mould frame is hinged with the top plate mould frame, one group of second telescopic support rod groups are connected between one side plate mould frame and the base frame, the box culvert template trolley has the advantages that the construction time can be shortened, Simplify box culvert construction process and guarantee the advantage of box culvert structural integrity.

Description

Box culvert template trolley

Technical Field

The utility model relates to the technical field of box culvert construction, in particular to a box culvert template trolley.

Background

At present, the construction of box culverts generally adopts a cast-in-place method, which mainly comprises the steps of firstly arranging a bottom layer in an excavated groove, and usually pouring a concrete cushion layer; binding the bottom plate reinforcing steel bars and the reinforcing steel bars at the lower parts of the side walls, supporting the bottom plate template and the side wall template, and pouring the bottom plate and the side wall lower parts; and then binding the steel bars on the upper part of the side wall and the top plate, supporting the template on the upper part of the side wall and the template on the top plate, and finally pouring the upper part of the side wall and the top plate. However, in the construction process of the box culvert, the lower parts of the bottom plate and the side walls are poured firstly, and after the concrete strength of the lower parts of the bottom plate and the side walls reaches the design requirement, the upper parts and the top plates of the side walls are poured, so that the pouring time of the box culvert is longer, and the pouring speed of the top plates of the box culvert is limited by the solidification period of the concrete of the bottom plate and the side walls of the box culvert, so that the whole construction time of the box culvert is greatly prolonged; in addition, when the upper part of the side wall of the box culvert and the top plate are constructed, the side wall is cast twice, so that the seam position of the side wall needs to be treated by arranging a steel edge water stop, roughening and the like, the construction process is complicated, and the casting quality and the waterproof quality of the seam position of the side wall are greatly reduced.

Disclosure of Invention

In order to solve the problems, the utility model mainly aims to provide a box culvert template trolley which can shorten the construction time, simplify the box culvert construction process and ensure the structural integrity of the box culvert.

In order to achieve the main object of the utility model, the utility model provides a box culvert template trolley, which comprises a base frame, a top plate template, two side plate templates and two groups of second telescopic support rod groups, wherein the bottom of the base frame is provided with a wheel group and a first telescopic support rod group, the first telescopic support rod group comprises a plurality of first telescopic support rods, the first telescopic support rods are parallel to the height direction of the base frame, the top plate template is fixedly arranged at the top of the base frame, the top plate template comprises a top plate template and a sealing unit, the top plate template is provided with a window, the window penetrates through the top plate template along the height direction, the sealing unit is positioned at the inner side of the top plate template, the sealing unit comprises a cover plate and a locking member, the cover plate is hinged with the top plate template, the cover plate can seal the window, the locking member is arranged on the top plate template, when the cover plate seals the window, the cover plate can lock the cover plate, the two side plate templates are distributed on two opposite sides of the base frame along the width direction of the base frame, the side plate die carrier is hinged with the top plate die carrier, and the group of second telescopic supporting rod groups is connected between one side plate die carrier and the base frame.

From top to bottom, through the structural design to box culvert template platform truck, make when carrying out the box culvert construction, can accomplish the back at bottom plate reinforcing bar and side wall reinforcement, will hang box culvert template platform truck earlier and go into the position, carry out the ligature of roof reinforcing bar again, prop up the side wall external mold after that, carry out the monolithic casting shaping to the box culvert afterwards, in order to avoid the side wall to have the seam and need not to carry out the setting of steel limit waterstop in seam crossing, processing such as chisel hair, the use of steel limit waterstop has both been saved, guarantee the wholeness of the box culvert of pouring again. The first telescopic support rod group is used for adjusting the base frame, a top plate mould frame and a side plate mould frame on the base frame to be integrally lifted so as to facilitate demoulding of the box culvert template trolley and a poured box culvert; the second telescopic support rod group is used for limiting the side plate formwork when the box culvert is poured, so that the forming quality and forming precision of the side wall are guaranteed, and the second telescopic support rod group is used for releasing the limitation on the side plate formwork when demoulding is carried out, so that the side plate formwork and the side wall of the box culvert can be conveniently demoulded; the window on the top plate template is used for enabling a concrete pipeline to extend into the box culvert template trolley in the box culvert pouring process, so that a worker can pour the bottom plate of the box culvert conveniently, and the pouring requirement of the integral box culvert is further met; the closed unit is used for sealing the window when the box culvert roof is poured so as to ensure the forming quality of the box culvert roof and prevent the concrete of the formed box culvert roof from flowing into the box culvert template trolley from the window, and plays a role in protecting the forming of the box culvert bottom plate.

One preferred scheme is, the apron has closing part and first eaves portion, and first eaves portion is located the circumferencial direction of closing part, and when the apron closed the window, the closing part was located the window and closed the window, and the roof template is laminated to first eaves portion.

From top to bottom, through the structural design to the apron for the sealing can carry out reliable closure to the window, and first eaves portion then is used for preventing the apron from rotating outward towards the roof template, and prevents to a certain extent in concrete or moisture infiltration box culvert template platform truck.

The further scheme is that a sealing cushion layer is arranged on the first eaves part, and when the window is sealed by the cover plate, the sealing cushion layer is adjacent to the top plate template.

From top to bottom, the setting of seal cushion layer can be better prevent in concrete or the moisture infiltration box culvert template platform truck.

Another preferred solution is that the cover plate is plate-shaped, and when the cover plate closes the window, the cover plate is located in the window.

Therefore, the structure design not only enables the cover plate to reliably seal the window, but also can simplify the structure of the cover plate.

The further proposal is that when the cover plate closes the window, the top surface of the cover plate is flush with the top surface of the top plate template.

It is from top to bottom seen, there is the position of uplift or sunken position in the medial surface that above-mentioned design can avoid the box culvert roof that the shaping was out, and then guarantees the shaping quality and the shaping precision of box culvert.

The other preferred scheme is that the locking part comprises a rotating shaft and a limiting pressure rod, the rotating shaft is parallel to the height direction, the rotating shaft is rotatably connected with the top plate template around the axis of the rotating shaft, the limiting pressure rod is fixedly arranged on the rotating shaft, the limiting pressure rod is provided with a pressing section, the pressing section extends along the radial direction of the rotating shaft, and when the locking part locks the cover plate, the pressing section is pressed on the cover plate; or the locking member includes a locking ring and a latch lock, one of the locking ring and the latch lock is mounted on the cover plate, the other is mounted on the top plate formwork, and a latch of the latch lock is insertable into the locking ring.

It is from top to bottom that the retaining member is used for carrying on spacingly to the apron when apron closed window to guarantee the apron to window confined reliability, prevent that the box culvert from pouring the in-process concrete and leaking inside the box culvert template platform truck from the window.

Another preferred scheme is that, in the width direction, step faces are formed at two oppositely arranged edges of the top plate template, a second eaves part is arranged at the hinged position of the side plate die carrier and the top plate die carrier, when the box culvert template trolley is in an unfolded state, the second eaves part of one side plate die carrier is lapped on one step face of the top plate template, and the top face of the second eaves part is flush with the top face of the top plate template.

It is from top to bottom visible, above-mentioned structural design can enough avoid the curb plate die carrier excessively to rotate dorsad the bed frame, can guarantee the plane degree of the medial surface of the box culvert roof of pouring again, and then guarantees the shaping quality and the shaping precision of box culvert.

Another preferred scheme is that the box culvert template trolley further comprises a third telescopic support rod group, and the third telescopic support rod group is positioned above the second telescopic support rod group; the third telescopic supporting rod is arranged on the base frame, two ends of the third telescopic supporting rod group are respectively connected with the two side plate die sets, or the number of the third telescopic supporting rod group is two groups, and the third telescopic supporting rod group is connected between one side plate die set and the base frame.

It is from top to bottom visible, add that third flexible bracing piece group can be good just pour the in-process at the box culvert and carry on spacingly to prevent that the box culvert from pouring in-process curb plate die carrier from taking place the skew, and then guarantee the shaping quality and the shaping precision of box culvert.

Another preferred scheme is, box culvert template platform truck still includes two sets of curb plates and supports spacing unit, a set of curb plate supports spacing unit and installs on a curb plate die carrier and is located the inboard of this curb plate die carrier, the curb plate supports spacing unit and includes the flexible bracing piece group of fourth and backup pad, the flexible bracing piece group of fourth includes the flexible bracing piece of many fourth, the flexible bracing piece of fourth is installed on the curb plate die carrier and is on a parallel with the direction of height, the backup pad extends along the length direction of bed frame, the backup pad is connected with the flexible bracing piece of many fourth, the flexible bracing piece of fourth can drive the backup pad and remove in the direction of height.

It is from top to bottom visible, curb plate support spacing unit is used for guaranteeing the box culvert and pours the shaping quality and the shaping precision of the corner between in-process box culvert bottom plate and the lateral wall to can further play support, spacing effect to the curb plate die carrier, prevent that the curb plate die carrier from pouring the in-process at the box culvert and taking place the skew.

The further scheme is that the number of the windows is more than two, the more than two windows are distributed along the length direction of the base frame, the number of the closed units is equal to that of the windows, and one closed unit is arranged corresponding to one window.

As can be seen from the above, the number of the windows can be adaptively set along with the length of the box culvert template trolley, so that the bottom plate can be well and smoothly poured, and the integrity of the poured box culvert can be better ensured; the number of the closed units needs to be equal to that of the windows, so that each window can be reliably closed when the box culvert top plate is poured.

Drawings

Fig. 1 is a schematic structural view of a box culvert template trolley in a first embodiment of the utility model.

Fig. 2 is a partial structural view of the box culvert template trolley at a first view angle after partial components are omitted according to the first embodiment of the utility model.

Fig. 3 is a partial structural schematic view of the box culvert template trolley in a second view angle after partial components are omitted in the first embodiment of the utility model.

Figure 4 is a first partial structural schematic view of a box culvert template trolley according to a first embodiment of the utility model.

Figure 5 is a second partial structural schematic view of the box culvert template trolley of the first embodiment of the utility model.

Fig. 6 is an enlarged view at a in fig. 1.

Figure 7 is a schematic view of a partial structure of a second embodiment of the box culvert template trolley of the utility model.

Figure 8 is a schematic view of a part of the structure of a third embodiment of the box culvert template trolley.

The utility model is further explained with reference to the drawings and the embodiments.

Detailed Description

First embodiment of box culvert template trolley

Referring to fig. 1, a box culvert template trolley 100 includes a base frame 1, a roof formwork 2, a side panel formwork 3, a second telescopic support rod group 4, a third telescopic support rod group 5, and a side panel support limit unit 6.

The middle part of bed frame 1 has operation space 10 for constructor can get into operation space 10 of bed frame 1 and carry out construction, operation, if carry out pouring, the vibration etc. of box culvert bottom plate. The bottom of bed frame 1 is provided with wheelset 11 and first flexible bracing piece group 12, and wheelset 11 includes a plurality of walking wheels, and the walking wheel is used for and lays the rail connection on the bottom plate reinforcing bar to make box culvert template platform truck 100 can follow rail movement. The quantity of first flexible bracing piece group 12 is preferred two sets ofly, and two sets of first flexible bracing piece group 12 distribute side by side along the width direction X of box culvert template trolley 100, and the first flexible bracing piece group 12 of every group includes many first flexible bracing pieces, and first flexible bracing piece is on a parallel with the direction of height Z of box culvert template trolley 100, and many first flexible bracing pieces distribute in the bottom of bed frame 1 along the length direction Y of box culvert template trolley 100. The first telescopic support rod can be a first telescopic adjusting screw rod, and one end of the first telescopic adjusting screw rod is fixedly connected with the base frame 1; of course, in other embodiments, the first telescopic supporting rod may also be an electric push rod, a hydraulic cylinder or an air cylinder.

Preferably, the base frame 1 further comprises a plurality of supporting cushion blocks 13, the plurality of supporting cushion blocks 13 are distributed along the length direction Y, and the number of the plurality of supporting cushion blocks 13 is equal to the number of the first telescopic supporting rods. The supporting cushion blocks 13 extend along the width direction X, each supporting cushion block 13 is connected with one first telescopic supporting rod of the two groups of first telescopic supporting rod groups 12 respectively, the first telescopic supporting rods can drive the supporting cushion blocks 13 to move in the height direction Z, and further when the box culvert template trolley 100 is installed on a track, the first telescopic supporting rods can drive the supporting cushion blocks 13 to move towards the track until the supporting cushion blocks abut against the track, so that the box culvert template trolley 100 is limited to move along the track, and the accuracy of the position of the box culvert template trolley 100 in the box culvert construction process is guaranteed. In addition, the setting of lip block 13 can avoid producing too big pressure to the track when first flexible bracing piece is direct with the track contact, and then prevents that the track is impaired.

The top plate die carrier 2 is fixedly installed at the top of the base frame 1, and the top plate die carrier 2 is used as a top plate inner die of the box culvert. Combine fig. 2 and fig. 3, roof die carrier 2 includes roof template 21 and closed cell 22, is provided with window 211 on the roof template 21, and window 211 runs through roof template 21 along direction of height Z, and window 211 is used for supplying concrete pipe to stretch into to box culvert template trolley 100 in the box culvert pouring in-process to the workman pours the bottom plate of box culvert, and then satisfies the demand of pouring of whole box culvert. The number of the windows 211 may be specifically set according to the length of the box culvert template trolley 100, for example, the number of the windows 211 may be set to be two, three, or more than four, and when the number of the windows 211 is more than two, the more than two windows 211 are distributed along the length direction Y; and the number of windows 211 is set according to the length of the box culvert template trolley 100, so that the bottom plate can be perfectly and smoothly calibrated, and the integrity of the poured box culvert is better ensured.

The number of the closed cells 22 is equal to the number of the windows 211, and one closed cell 22 is provided corresponding to one window 211. The sealing unit 22 is located on the inner side of the roof formwork 21, and the sealing unit 22 is used for sealing the window 211 when the box culvert roof is poured, so that concrete is prevented from flowing into the box culvert formwork trolley 100 from the window 211, and the forming quality of the bottom plate and the whole box culvert is guaranteed.

Referring to fig. 4 and 5, the closing unit 22 includes a cover plate 221, a locker 222, and a hinge 223, and the cover plate 221 is hinged to the top plate mold 21 by the hinge 223 such that the cover plate 221 can be rotated with respect to the top plate mold 21 by the hinge 223 to open or close the window 211. The cover 221 includes a closing portion 2211 and a first flange 2212, the cross section of the closing portion 2211 is identical to the cross section of the window 211, and the first flange 2212 is located in the circumferential direction of the closing portion 2211. When the window 211 is closed by the cover plate 221, the closing portion 2211 is located in the window 211 and closes the window 211, and the top surface of the closing portion 2211 is preferably flush with the top surface of the top plate template 21, so as to avoid the raised portion or the depressed portion on the inner side surface of the top plate of the box culvert formed, thereby ensuring the forming quality and the forming precision of the box culvert, and the first eaves portion 2212 is attached to the inner side surface of the top plate template 21. By the structural design of the cover 221, the window 211 can be reliably closed, and the first eaves 2212 is used to prevent the cover 221 from rotating toward the outside of the roof form 21 and to some extent prevent the gap between the concrete or moisture seal 2211 and the window 211 from penetrating into the culvert form. Preferably, the first eaves 2212 is provided with a sealing pad 2213, when the cover 221 closes the window 211, the sealing pad 2213 is abutted between the first eaves 2212 and the roof form 21, and the sealing pad 2213 is provided to further prevent concrete or moisture from penetrating into the culvert form trolley 100 from a gap between the cover 221 and the roof form 21.

A locking member 222 is mounted on the top plate mold 21, and the locking member 222 is used to lock the cover plate 221 when the cover plate 221 closes the window 211, to prevent the cover plate 221 from releasing the closing of the window 211. Specifically, in this embodiment, the locking member 222 includes a rotating shaft 2221 and a limiting pressure lever 2222, the rotating shaft 2221 is parallel to the height direction Z, and the rotating shaft 2221 is rotatably connected to the top plate template 21 around its axis, the limiting pressure lever 2222 is fixedly mounted on the rotating shaft 2221, the limiting pressure lever 2222 has a pressing section 2223 and a bending section 2224, the pressing section 2223 extends in the radial direction of the rotating shaft 2221, and when the cover plate 221 closes the window 211, the pressing section 2223 can rotate around the axis of the rotating shaft 2221 to abut against the cover plate 221 so as to press the cover plate 221 against the top plate template 21, so as to prevent the cover plate 221 from closing the window 211, and thus locking the cover plate 221 is achieved. In the height direction Z, there is a gap between the bending section 2224 and the inner side surface of the top plate template 21, which is at least enough to accommodate fingers of a constructor, wherein the bending section 2224 can be used as a handle, so that the constructor can conveniently control the rotation of the limiting pressure bar 2222 around the rotating shaft 2221, thereby enabling the limiting pressure bar 2222 to compress the cover plate 221 or release the compression of the cover plate 221.

The side plate die carriers 3 are used as inner templates of the side walls of the box culvert, the number of the side plate die carriers 3 is two, the two side plate die carriers 3 are distributed on two opposite sides of the base frame 1 along the width direction X, and the side plate die carriers 3 are hinged to the top plate die carriers 2, so that the side plate die carriers 3 can rotate relative to the top plate die carriers 2. Preferably, referring to fig. 6, in the width direction X, step surfaces 212 are formed at two opposite edges of the top plate formwork 21, and a hinge joint of each side plate formwork 3 and the top plate formwork 2 is provided with a second eaves 31, and the second eaves 31 protrude toward the top plate formwork 2. When the culvert formwork trolley 100 is in the unfolded state, the second eaves 31 of one side panel formwork 3 overlaps on one step surface 212 of the roof formwork 21, and the top surface of the second eaves 31 is preferably flush with the top surface of the roof formwork 21. Set up step surface 212 on roof template 21 and set up second eaves portion 31 on curb plate die carrier 3 and can enough avoid curb plate die carrier 3 excessively to rotate dorsad bed frame 1, can guarantee again to pour the roughness of the medial surface of box culvert roof, and then guarantee the shaping quality and the shaping precision of box culvert.

The second telescopic support rod group 4 is used for limiting the side plate formwork 3 when the box culvert formwork trolley 100 is in an unfolded state so as to prevent the position of the side plate formwork 3 from deviating and ensure the forming quality and the forming precision of the box culvert side wall. The number of the second telescopic supporting rod groups 4 is two, and the second telescopic supporting rod groups 4 are connected between one side plate die carrier 3 and the base frame 1. Each group of second telescopic support rod group 4 comprises a plurality of second telescopic support rods, the second telescopic support rods are parallel to the width direction X, the plurality of second telescopic support rod groups 4 are distributed along the length direction Y, and the second telescopic support rods can be second telescopic adjusting screw rods. It should be noted that, in other embodiments, the second telescopic supporting rod may also be an electric push rod, a hydraulic cylinder or an air cylinder. Wherein, the connection mode between the second telescopic support rod and the side plate mould frame 3 and the base frame 1 can comprise the following four types:

firstly, the second telescopic support rod is detachably connected with the side plate formwork 3 and the base frame 1 respectively, namely when the box culvert formwork trolley 100 is in an unfolded state, the second telescopic support rod is placed between the side plate formwork 3 and the base frame 1, and then the second telescopic support rod is adjusted to extend until two ends of the second telescopic support rod are abutted to the side plate formwork 3 and the base frame 1 respectively; and when the box culvert template trolley 100 is demolded, the second telescopic support rod is adjusted firstly to shorten, and then the second telescopic support rod is taken down from between the side plate mould frame 3 and the base frame 1.

Secondly, fixedly connecting a first end of a second telescopic support rod with the base frame 1, and adjusting the second telescopic support rod to extend until a second end of the second telescopic support rod is abutted against the side plate formwork 3 when the box culvert formwork trolley 100 is in an unfolded state; and when the box culvert template trolley 100 is demolded, the second telescopic support rod is adjusted to be shortened, so that the side plate mould frame 3 can rotate relative to the top plate mould frame 2.

Thirdly, fixedly connecting a first end of a second telescopic support rod with the side plate formwork 3, and adjusting the second telescopic support rod to extend until a second end of the second telescopic support rod is abutted against the base frame 1 when the box culvert formwork trolley 100 is in an unfolded state; and when the box culvert template trolley 100 is demolded, the second telescopic support rod is adjusted to be shortened, so that the side plate mould frame 3 can rotate relative to the top plate mould frame 2.

Fourthly, two ends of a second telescopic supporting rod are respectively hinged with the side plate formwork 3 and the base frame 1, and when the box culvert formwork trolley 100 needs to be unfolded, the second telescopic supporting rod is adjusted to be stretched until the side plate formwork 3 is unfolded in place; when the box culvert template trolley 100 is demolded, the second telescopic support rod is adjusted to be shortened, so that the side plate mould frame 3 can rotate relative to the top plate mould frame 2.

The third telescopic support rod group 5 is located above the second telescopic support rod group 4, in this embodiment, the third telescopic support rod group 5 includes a plurality of third telescopic support rods, the third telescopic support rods are parallel to the width direction X, and the plurality of third telescopic support rods are distributed along the length direction Y, the third telescopic support rods are fixedly installed on the base frame 1, and both ends of the third telescopic support rod group 5 can be respectively connected with the two side plate mold frames 3, that is, when the box culvert formwork trolley 100 is in the unfolded state, the third telescopic support rods are adjusted to extend until both ends of the third telescopic support rods are respectively abutted to the side plate mold frames 3 and the base frame 1; and when the box culvert template trolley 100 is demolded, the third telescopic support rod is adjusted to be shortened, so that the side plate mould frame 3 can rotate relative to the top plate mould frame 2. In other embodiments, the number of the third telescopic supporting rod groups 5 may be two, one group of the third telescopic supporting rod group is connected between one side plate formwork 3 and the base frame 1, and at this time, the connection manner of the third telescopic supporting rod with the side plate formwork 3 and the base frame 1 is the same as the connection manner of the second telescopic supporting rod with the side plate formwork 3 and the base frame 1, so that repeated description is not provided herein. The third telescopic supporting rod can be a third telescopic adjusting screw rod; of course, in other embodiments, the second telescopic supporting rod may also be an electric push rod, a hydraulic cylinder or an air cylinder.

The number of the side plate supporting and limiting units 6 is two, and one group of the side plate supporting and limiting units 6 is installed on one side plate die carrier 3 and is positioned on the inner side of the side plate die carrier 3. The side plate supporting limiting unit 6 comprises a fourth telescopic supporting rod group 61 and a supporting plate 62, the fourth telescopic supporting rod group 61 comprises a plurality of fourth telescopic supporting rods, the fourth telescopic supporting rods are installed on the side plate die carrier 3 and are parallel to the height direction Z, the supporting plate 62 extends along the length direction Y of the base frame 1, and the supporting plate 62 is connected with the plurality of fourth telescopic supporting rods, so that the fourth telescopic supporting rods can drive the supporting plate 62 to move in the height direction Z. The side plate supporting and limiting unit 6 is used for guaranteeing the forming quality and the forming precision of corners between a box culvert bottom plate and side walls in the box culvert pouring process, can further play a role in supporting and limiting the side plate die carrier 3, and prevents the side plate die carrier 3 from shifting in the box culvert pouring process.

When box culvert construction is required, firstly, supporting a bottom plate external mold, and binding bottom plate steel bars and side wall steel bars; after the binding of the bottom plate steel bars and the side wall steel bars is finished, hoisting the box culvert template trolley 100 into place; and then, binding the steel bars of the top plate, supporting the outer mold of the side wall, and then integrally pouring and molding the box culvert. In other embodiments, during box culvert construction, the external mold of the bottom plate can be firstly supported, and the steel bars of the bottom plate and the steel bars at the lower part of the side wall can be bound; after the binding of the bottom plate steel bars and the side wall lower steel bars is finished, hoisting the box culvert template trolley 100 into place; and then, binding the steel bars on the upper parts of the side plates and the steel bars on the top plate, supporting the outer mold of the side walls, and then integrally pouring and molding the box culvert.

Therefore, the box culvert construction by adopting the box culvert template trolley provided by the utility model can avoid the existence of seams on the side walls and avoid the need of steel edge water stops, roughening and other treatments at the seams, thereby saving the use of the steel edge water stops and ensuring the integrity of the poured box culvert.

Second embodiment of box culvert template trolley

Referring to fig. 7, the present embodiment is different from the first embodiment of the box culvert formwork trolley in the structure of the cover plate, specifically, in the present embodiment, the cover plate 71 has a plate shape, when the cover plate 71 closes the window 721 of the roof formwork 72, the cover plate 71 is located in the window 721, and the top surface of the cover plate 7 is preferably flush with the top surface of the roof formwork 72. The structural design of the cover plate 71 in this embodiment not only enables the cover plate 71 to reliably seal the window 721, but also simplifies the structure of the cover plate 71.

Third embodiment of box culvert template trolley

Referring to fig. 8, the present embodiment is different from the above-described embodiments in the structure of the locking member, specifically, in the present embodiment, the locking member 81 includes a locking ring 811 and a latch lock 812, the locking ring 811 is mounted on the cover plate 83, the latch lock 812 is mounted on the top plate mold plate 82, and when the cover plate 83 closes the window 821, the latch 8121 of the latch lock 812 can be inserted into the locking ring 811. Of course, in other embodiments, catch 811 may be mounted on top plate template 82 and latch lock 812 may be mounted on cover plate 83.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the utility model are possible to those skilled in the art, without departing from the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a box culvert template platform truck which characterized in that includes:

the wheel set and the first telescopic support rod group are arranged at the bottom of the base frame, the first telescopic support rod group comprises a plurality of first telescopic support rods, and the first telescopic support rods are parallel to the height direction of the base frame;

the top plate die carrier is fixedly installed at the top of the base frame and comprises a top plate template and a closed unit, the top plate template is provided with a window, the window penetrates through the top plate template along the height direction, the closed unit is located on the inner side of the top plate template and comprises a cover plate and a locking member, the cover plate is hinged with the top plate template, the window can be closed by the cover plate, the locking member is installed on the top plate template, and when the cover plate closes the window, the locking member can lock the cover plate;

the two side plate die frames are distributed on two opposite sides of the base frame along the width direction of the base frame and are hinged with the top plate die frame;

and one group of second telescopic supporting rod groups are connected between one side plate die carrier and the base frame.

2. The box culvert template trolley of claim 1, characterized in that:

the cover plate is provided with a closed part and a first brim part, and the first brim part is positioned on the circumferential direction of the closed part;

the apron seals during the window, the seal part is located in the window and seals the window, first eaves portion laminating the roof template.

3. The box culvert template trolley of claim 2, characterized in that:

be provided with the seal cushion layer on the first eaves portion the apron seals when the window, the seal cushion layer with the roof template borders on.

4. The box culvert template trolley of claim 1, characterized in that:

the cover plate is plate-shaped, and when the cover plate seals the window, the cover plate is positioned in the window.

5. The box culvert template trolley of any one of claims 2 to 4, characterized in that:

when the cover plate closes the window, the top surface of the cover plate is flush with the top surface of the top plate template.

6. The box culvert template trolley of claim 1, characterized in that:

the locking piece comprises a rotating shaft and a limiting pressure rod, the rotating shaft is parallel to the height direction, the rotating shaft is rotatably connected with the top plate template around the axis of the rotating shaft, the limiting pressure rod is fixedly arranged on the rotating shaft, the limiting pressure rod is provided with a pressing section, the pressing section extends along the radial direction of the rotating shaft, and when the cover plate is locked by the locking piece, the pressing section is pressed on the cover plate; or

The locking member includes a locking ring and a latch lock, one of the locking ring and the latch lock being mounted on the cover plate and the other being mounted on the top plate formwork, a latch of the latch lock being insertable into the locking ring.

7. The box culvert template trolley of claim 1, characterized in that:

step surfaces are formed at two oppositely arranged edges of the top plate template in the width direction;

the curb plate die carrier with the articulated department of roof die carrier is provided with second eaves portion when the box culvert template platform truck is in the expansion state, one the curb plate die carrier the second eaves portion overlap joint be in one of roof template on the step face, just the top surface of second eaves portion with the top surface of roof template flushes.

8. The box culvert template trolley of claim 1, characterized in that:

the box culvert template trolley also comprises a third telescopic support rod group, and the third telescopic support rod group is positioned above the second telescopic support rod group;

the third telescopic supporting rod is arranged on the base frame, and two ends of the third telescopic supporting rod group are respectively connected with the two side plate die frames, or

The number of the third telescopic supporting rod groups is two, and one group of the third telescopic supporting rod groups is connected between one side plate mould frame and the base frame.

9. The box culvert template trolley of claim 1, characterized in that:

the box culvert template trolley further comprises two sets of side plate supporting and limiting units, one set of side plate supporting and limiting units are installed on one side plate mould base and located on the inner side of the side plate mould base, and each side plate supporting and limiting unit comprises:

the fourth telescopic support rod group comprises a plurality of fourth telescopic support rods, and the fourth telescopic support rods are arranged on the side plate die carrier and are parallel to the height direction;

the backup pad, the backup pad is followed the length direction of bed frame extends, the backup pad with many the fourth flexible bracing piece is connected, the flexible bracing piece of fourth can drive the backup pad is in the direction of height removes.

10. The box culvert template trolley of any one of claims 1-4, 6-9, wherein:

the number of the windows is more than two, and the more than two windows are distributed along the length direction of the base frame;

the number of the closed units is equal to that of the windows, and one closed unit is arranged corresponding to one window.

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