CN218952363U

CN218952363U - Cast-in-place concrete trapezoidal open channel sliding mode trolley

Info

Publication number: CN218952363U
Application number: CN202223264016.2U
Authority: CN
Inventors: 孙良; 王鑫; 张文秀; 王正伟; 席倩; 杨玲秀; 张旭东
Original assignee: China Railway Beijing Engineering Group Co Ltd
Current assignee: China Railway Beijing Engineering Group Co Ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-05-02
Anticipated expiration: 2032-12-06

Abstract

The application relates to a trapezoidal open ditch slipform platform truck of cast in situ concrete, it includes the support, the both sides that the support deviate from each other are provided with the template, the template with be provided with first extensible member between the support, the both ends of first extensible member connect respectively in the template with the support. The method has the effect of reducing resource consumption during casting of the concrete trapezoid open trench.

Description

Cast-in-place concrete trapezoidal open channel sliding mode trolley

Technical Field

The application relates to the field of trapezoid open trench concrete technology, in particular to a cast-in-place concrete trapezoid open trench sliding formwork trolley.

Background

In the civil aviation airport cast-in-place concrete trapezoid open ditch construction process, the traditional method is that a complex wooden scaffold support system is required to be built on the wall of the open ditch, the time required for dismantling the scaffold system after concrete pouring is completed is long, material turnover is inconvenient, and various resources such as materials, manpower and the like are consumed more.

Disclosure of Invention

In order to reduce the resource consumption when pouring concrete trapezoid open trench, the application provides a cast-in-place concrete trapezoid open trench sliding mode trolley.

The application provides a trapezoidal open ditch slipform platform truck of cast in situ concrete adopts following technical scheme:

the utility model provides a trapezoidal open ditch slipform platform truck of cast in situ concrete, includes the support, the both sides that the support deviate from each other are provided with the template, the template with be provided with first extensible member between the support, the both ends of first extensible member connect respectively in the template with the support.

By adopting the technical scheme, before open trench construction, the relative position between the template and the support is adjusted by adjusting the length of the first telescopic piece, namely, the relative position between the template and the trench wall of the open trench is adjusted. And then pouring concrete between the template and the trench wall, wherein in the pouring process, the first telescopic piece forms a support for the template, so that the risk of template running is reduced. After the concrete is solidified, the length of the first telescopic piece is adjusted, the template is drawn and demoulded, then the bracket and the template are moved to the next working surface, and the operation steps are repeated. Compared with a wood scaffold system, the structure is simple, the disassembly and assembly are easy, the formwork supporting and disassembling processes are relatively simple, meanwhile, secondary assembly is not needed, material turnover is convenient, and resource consumption is reduced from various aspects. In addition, the length of the first telescopic piece can be adjusted to enable the template to be suitable for open ditches with different widths.

Optionally, the first telescopic piece comprises a first steel bar, a second steel bar and a first nut sleeve, one end of the first steel bar is connected with the template, the other end of the first steel bar is provided with a first screw rod, one end of the second steel bar is connected with the bracket, the end face of the other end of the second steel bar is provided with a first accommodating groove, and the first accommodating groove is used for the first screw rod to be inserted; the first nut sleeve is rotationally connected to the end face, far away from the support, of the second steel rod, and the internal thread of the first nut sleeve is used for matching with the external thread of the first screw rod.

Through adopting above-mentioned technical scheme, utilize the cooperation of first holding tank, first screw rod and first nut cover, realize the flexible function of first extensible member, simple structure, and have stronger bearing capacity, realize the stepless regulation of first extensible member length simultaneously.

Optionally, the template includes a plurality of daughter boards, and a plurality of the daughter boards are arranged along the length direction of open trench, and is adjacent the daughter board splices in proper order and forms the template, one the daughter board corresponds at least one first extensible member.

By adopting the technical scheme, on one hand, when the formwork is supported and disassembled, constructors can adjust the relative position between the whole formwork and the bracket by sequentially adjusting the relative position between each sub-board and the bracket, so that the construction difficulty is reduced; on the other hand, when the template is partially damaged, the daughter board at the damaged position is replaced or maintained, so that the resource consumption is further reduced.

Optionally, an end of the first telescopic member is hinged to the bracket.

By adopting the technical scheme, as the end part of the first telescopic piece is hinged with the bracket, the template has a tendency of rotating downwards relative to the bracket, and the bottom of the template is always abutted to the ditch bottom of the open ditch under the action of the gravity of the template, so that on one hand, the risk of leakage of concrete from a gap between the bottom of the template and the ditch bottom is reduced; on the other hand, the load from the template born by the first telescopic piece for a long time is reduced, and the service life of the first telescopic piece is prolonged.

Optionally, a second expansion piece is arranged between the support and the template, two ends of the second expansion piece are respectively connected to the lower part of the support and the lower part of the template, and an included angle is formed between the axial direction of the second expansion piece and the gravity of the support.

By adopting the technical scheme, when concrete is poured, the second telescopic piece mainly applies downward pressure to the lower part of the template, so that the bottom of the template is tilted upwards under the buoyancy action of the concrete, and the risk of concrete leakage is further caused; in addition, after the demolding, the second telescopic piece exerts a pulling force on the template in an inclined direction, a certain balance effect is achieved on the gravity of the template, and the pressure of the template on the bottom of the open trench is reduced, so that friction between the template and the bottom of the trench during moving the support is reduced, and abrasion between the bottom of the trench and the template is reduced.

Optionally, the first expansion piece is hinged with the template, the second expansion piece is fixedly connected with the bracket, and the second expansion piece is hinged with the template.

Through adopting above-mentioned technical scheme, because the one end and the support fixed connection of second extensible member, therefore the tie point of template and second extensible member only can follow the length direction motion of second extensible member to having the clearance between the bottom of template and the ditch bottom of open trench after making the drawing of patterns, reducing the friction between template and the ditch bottom in the next construction section removal in-process of support drive template, on the one hand makes the support remove more easily, on the other hand extension template's life.

Optionally, the device further comprises a moving member, wherein the moving member is used for moving the bracket.

By adopting the technical scheme, the moving part is utilized to complete the movement of the support and the template, so that the support and the template always move along the length direction of the open trench, the additional work when the support and the template are moved is reduced, and the resource waste is further reduced.

Optionally, the moving member comprises a pulley.

By adopting the technical scheme, the bracket is driven by the pulley, so that the bracket can be moved to the next working surface more easily.

Optionally, the moving member includes a driving part, and the driving part is used for driving the pulley to rotate.

Through adopting above-mentioned technical scheme, after the drawing of patterns, utilize drive division drive pulley to remove the support to the next construction section for the removal of support is more convenient.

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

1. and the templates and the supports are connected by utilizing a plurality of first telescopic members, the formwork supporting and the formwork removing are completed by adjusting the lengths of the first telescopic members, and the supports and the templates are moved to the next working face together after the formwork removing for continuous construction. Compared with the traditional wood scaffold system, the method does not need to frequently perform the actions of removing and supporting the mould, and is convenient for material turnover, thereby reducing the consumption of resources such as manpower, materials and the like;

2. the two ends of the first telescopic piece are respectively hinged to the bracket and the template, one end of the second telescopic piece is fixedly connected to the lower part of the bracket, and the other end of the second telescopic piece is hinged to the lower part of the template, so that a gap is reserved between the template and the ground after demolding, friction between the bracket and the second trench bottom of the template during movement of the template is reduced, and abrasion between the template and the trench bottom is reduced;

3. through setting up the moving part that is used for removing the support to make the moving part include pulley and drive division, make the support can be all the time along the length direction of open trench in the open trench and remove, convenient and fast and extra acting are less, further reduce the resource consumption in the open trench work progress.

Drawings

Fig. 1 is a schematic overall structure of embodiment 1 of the present application.

Fig. 2 is a schematic diagram for illustrating the positional relationship between the first telescopic member and the second telescopic member in embodiment 1 of the present application.

Fig. 3 is an enlarged schematic view of fig. 2 at a section a.

Fig. 4 is an enlarged schematic view of fig. 2 at section B.

Fig. 5 is a schematic overall structure of embodiment 2 of the present application.

Fig. 6 is a schematic overall structure of embodiment 3 of the present application.

Reference numerals illustrate: 1. a bracket; 2. a moving member; 21. a pulley; 3. a template; 31. a sub-board; 4. a first telescopic member; 41. a first steel bar; 42. a second steel bar; 421. a first accommodation groove; 43. a first nut sleeve; 44. a first screw; 5. a second telescopic member; 51. a third steel bar; 52. a fourth steel bar; 521. a second accommodation groove; 53. a second nut sleeve; 54. and a second screw.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a cast-in-place concrete trapezoidal open ditch sliding mode trolley.

Example 1

Referring to fig. 1, a cast-in-place concrete trapezoidal slip-form trolley comprises a support 1 and a moving part 2, wherein the support 1 is formed by splicing or welding H-shaped steel, templates 3 are arranged on two sides, deviating from each other, of the support 1, and the templates 3 are made of steel plates. The steel plate can be repeatedly used in multiple items, is durable, does not generate environmental garbage, and accords with the environment-friendly energy-saving construction concept.

Referring to fig. 1 and 2, a plurality of groups of first telescopic members 4 and a plurality of second telescopic members 5 are arranged between the template 3 and the bracket 1, and the plurality of groups of first telescopic members 4 are arranged at equal intervals along the length direction of the bracket 1. A plurality of first telescopic members 4 are arranged in each group of first telescopic members 4, the plurality of first telescopic members 4 are arranged at equal intervals along the height direction of the support 1, and the number of the first telescopic members 4 contained in one group depends on the height of the support 1 and the open trench. The axis of the first telescopic member 4 is perpendicular to the gravity direction, the first telescopic member 4 mainly exerts a pulling force on the template 3, and the component force generated on the template 3 in the vertical direction is smaller, so that the influence on the acting force between the template 3 and the open trench bottom is smaller while the template 3 is prevented from toppling over.

Referring to fig. 2, the second telescopic member 5 is located below the first telescopic member 4, an included angle is formed between an axial direction of the second telescopic member 5 and a gravity direction of the bracket 1, the second telescopic member 5 is used for applying downward oblique pressure to the template 3, and a plurality of second telescopic members 5 are arranged at equal intervals along a length direction of the bracket 1. The second telescopic piece 5 mainly exerts pressure on the template 3, so that the risk of warping of the lower part of the template 3 in the casting process is reduced, and the risk of leakage of concrete from a gap between the template 3 and the ditch bottom is reduced.

Specifically, referring to fig. 2 and 3, the first telescopic member 4 includes a first steel rod 41, a second steel rod 42 and a first nut sleeve 43, one end of the first steel rod 41 is connected to the formwork 3 through a high strength bolt, the other end is fixedly connected with a first screw 44, and the first screw 44 extends along the length direction of the first steel rod 41. One end of the second steel rod 42 is hinged to the bracket 1, and a first accommodating groove 421 is formed in the end face of the other end, and the first accommodating groove 421 is used for inserting the first screw 44. The first nut sleeve 43 is rotatably connected to the end surface of the second steel rod 42, which is far away from the bracket 1, and the internal thread of the first nut sleeve 43 is used for matching with the external thread of the first screw 44.

Referring to fig. 2 and 4, the second telescopic member 5 includes a third steel rod 51, a fourth steel rod 52 and a second nut sleeve 53, one end of the third steel rod 51 is connected to the formwork 3 through a high strength bolt, the other end is fixedly connected with a second screw 54, and the second screw 54 is extended along the length direction of the third steel rod 51. One end of the fourth steel bar 52 is hinged to the bracket 1, and a second accommodating groove 521 is formed in the end face of the other end, and the second accommodating groove 521 is used for inserting the second screw 54. The second nut sleeve 53 is rotatably connected to the end surface of the fourth steel rod 52 far away from the bracket 1, and the internal thread of the second nut sleeve 53 is used for matching with the external thread of the second screw 54. In other embodiments, the first telescopic member 4 and the second telescopic member 5 may be rod-like structures that can be telescopic, such as hydraulic rods.

Referring to fig. 2, the moving member 2 includes a pulley 21 and a driving part, the pulley 21 is used for supporting the bracket 1, the pulley 21 is mounted at the bottom of the bracket 1, in other embodiments, the pulley 21 may be mounted on a side wall of the bracket 1, and the mounting manner may be detachable connection or fixed connection. The driving part 22 is used for driving the bracket 1 to move relative to the open trench, and the driving part may be an engine mounted on the bracket 1 and used for driving the pulley 21 to rotate, or may be an external tractor, which is not limited in this application.

The implementation principle of the embodiment 1 is as follows: when the open trench concrete is constructed, the support 1 and the template 3 connected with the first telescopic piece 4 and the second telescopic piece 5 are prepared in advance, then the support 1 and the template 3 are conveyed to the inside of the open trench, after the support 1 is positioned at a preset position, the support 1 is prevented from rotating by stacking the cushion stones around the pulleys 21, then the first telescopic piece 4 and the second telescopic piece 5 are connected to the support 1, the connection of the template 3 and the support 1 is completed, and therefore the installation of the sliding-mode trolley is completed.

Pouring concrete between the template 3 and the open trench wall, and adjusting the lengths of the first telescopic piece 4 and the second telescopic piece 5 after the concrete is solidified, so that the template 3 moves towards the direction close to the bracket 1 to finish demoulding; and then removing the cushion stone, moving the bracket 1 and the template 3 to the next working surface together through the moving part 2, and repeating the steps.

The sliding formwork trolley is reasonable in structure, simple to operate, convenient to assemble, free of secondary lifting and assembling, capable of reducing labor cost and improving turnover rate of the formwork 3, and construction progress is effectively accelerated. In addition, the steel plate has large dead weight, can effectively resist concrete construction load and lateral pressure, avoid running and expanding the mould, and has good concrete forming effect.

Example 2

Referring to fig. 5, the difference between the present embodiment and embodiment 1 is that the form 3 includes a plurality of sub-boards 31, the plurality of sub-boards 31 are arranged along the length direction of the bracket 1, adjacent sub-boards 31 are spliced in sequence to form the form 3, and one sub-board 31 corresponds to a group of first telescopic members 4 and one second telescopic member 5. By means of the design, when the formwork is supported and disassembled, a plurality of constructors respectively adjust the first telescopic piece 4 and the second telescopic piece 5 corresponding to each sub-board 31, so that labor is saved, and operation is simpler. Meanwhile, when a certain sub-board 31 is damaged, only the sub-board 31 needs to be replaced or maintained independently, so that the resource utilization rate is further improved.

Referring to fig. 5, both ends of the first expansion member 4 are respectively hinged with the bracket 1 and the mold plate 3, one end of the second expansion member 5 is fixedly connected with the bracket 1 through a high strength bolt, and the other end is hinged with the mold plate 3. When demoulding, a gap is formed between the template 3 and the bottom of the open trench by controlling the length of the first telescopic piece 4, so that friction between the template 3 and the bottom of the open trench is reduced when the support 1 and the template 3 are moved, and abrasion between the template 3 and the bottom of the open trench is further reduced.

Example 3

Referring to fig. 6, the present embodiment is different from embodiment 2 in that both ends of the first expansion member 4 are fixedly connected to the bracket 1 and the form 3 through high strength bolts, respectively, and both ends of the second expansion member are hinged to the bracket 1 and the form 3, respectively. By using the link mode, the template 3 can only translate relative to the ditch bottom, and the inclination angle of the template 3 cannot be changed, so that the adjustment work in the same open ditch construction is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Cast in situ concrete trapezoidal open ditch slipform platform truck, its characterized in that: including support (1), the both sides that support (1) deviate from each other are provided with template (3), template (3) with be provided with first extensible member (4) between support (1), the both ends of first extensible member (4) connect respectively in template (3) with support (1).

2. The cast-in-place concrete trapezoidal open channel slip form trolley according to claim 1, wherein: the first telescopic piece (4) comprises a first steel bar (41), a second steel bar (42) and a first nut sleeve (43), one end of the first steel bar (41) is connected to the template (3), a first screw (44) is arranged at the other end of the first steel bar, one end of the second steel bar (42) is connected to the bracket (1), a first accommodating groove (421) is formed in the end face of the other end of the second steel bar, and the first accommodating groove (421) is used for the first screw (44) to be inserted; the first nut sleeve (43) is rotatably connected to the end face, far away from the bracket (1), of the second steel rod (42), and the internal thread of the first nut sleeve (43) is used for matching with the external thread of the first screw rod (44).

3. The cast-in-place concrete trapezoidal open channel slip form trolley according to claim 1, wherein: the template (3) comprises a plurality of sub-boards (31), the sub-boards (31) are arranged along the length direction of an open trench, adjacent sub-boards (31) are spliced in sequence to form the template (3), and one sub-board (31) corresponds to at least one first telescopic piece (4).

4. The cast-in-place concrete trapezoidal open channel slip form trolley according to claim 1, wherein: the end part of the first telescopic piece (4) is hinged to the bracket (1).

5. The cast-in-place concrete trapezoidal open channel slip form trolley of claim 4, wherein: the novel support is characterized in that a second telescopic piece (5) is arranged between the support (1) and the template (3), two ends of the second telescopic piece (5) are respectively connected to the lower part of the support (1) and the lower part of the template (3), and an included angle is formed between the axial direction of the second telescopic piece (5) and the gravity direction of the support (1).

6. The cast-in-place concrete trapezoidal open channel slip form trolley of claim 5, wherein: the first telescopic piece (4) is hinged with the template (3), the second telescopic piece (5) is fixedly connected with the support (1), and the second telescopic piece (5) is hinged with the template (3).

7. The cast-in-place concrete trapezoidal open channel slip form trolley according to claim 1, wherein: the device also comprises a moving piece (2), wherein the moving piece (2) is used for moving the bracket (1).

8. The cast-in-place concrete trapezoidal open channel slip form trolley of claim 7, wherein: the moving member (2) includes a pulley (21).

9. The cast-in-place concrete trapezoidal open channel slip form trolley of claim 8, wherein: the moving member (2) includes a driving portion for driving the pulley (21) to rotate.