Lining trolley for box culvert construction

Abstract

The utility model provides a lining trolley for box culvert construction, and relates to the technical field of box culvert construction. The outer mold trolley and the inner mold trolley can travel in the extending direction of the box culvert, before the box culvert is poured, the outer mold trolley supports an outer mold through a lead screw jacking support, the inner mold trolley supports an inner mold through a first telescopic supporting rod and a lead screw bottom support, a sealing cover is erected on a top gap of the inner mold, and a bottom gap of adjacent mold plates is blocked through a box culvert wall root. Box culvert pouring can be achieved by pouring concrete from the top of the lining trolley; after the box culvert is formed, the lead screw jacking support, the first telescopic supporting rod and the lead screw bottom support are shortened to achieve demolding of the outer mold and the inner mold, the inner mold wheels of the inner mold trolley fall on the inner mold guide rails, the outer mold trolley and the inner mold trolley are driven to travel to the next construction section in the extending direction of the box culvert, the lead screw jacking support, the first telescopic supporting rod and the lead screw bottom support are extended to complete mold erecting, and the box culvert is formed. Box culvert pouring can be carried out on the next construction section; the labor cost is reduced, the construction efficiency is improved, the formwork consistency is high, and the appearance quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of box culvert construction, in particular to a lining trolley for box culvert construction. Background Art

[0002] During the box culvert concrete construction process, it is necessary to set up scaffolding and formwork. The formwork is assembled from small formworks. After the concrete of the construction section is poured and solidified, the formwork and scaffolding must be removed and the formwork must be re-erected in the next construction section.

[0003] This type of box culvert concrete construction requires a large amount of manpower, is slow to construct, and takes a long time. In addition, the formwork assembly is done manually, and the formwork assembly is often uneven and misaligned, resulting in poor surface flatness of the concrete, which has a great impact on the appearance quality of the concrete and is difficult to guarantee. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a lining trolley for box culvert construction, which solves the problems of large manpower input, low efficiency and difficulty in ensuring appearance quality in box culvert concrete construction.

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] A lining trolley for box culvert construction, the lining trolley comprising: an outer mold trolley and a plurality of inner mold trolleys;

[0007] The outer mold trolley moves freely along the outer mold guide rail, and the inner mold trolley moves freely along the inner mold guide rail;

[0008] The outer mold guide rail and the inner mold guide rail both extend along the length direction of the box culvert;

[0009] The inner mold guide rail is arranged on the precast box culvert base, and the outer mold guide rail is arranged on the ground outside the box culvert base;

[0010] The outer mold trolley comprises: a truss and an outer mold;

[0011] The truss is connected to the outer mold through a screw support;

[0012] The inner mold trolley comprises: a left bracket, a right bracket, a connecting bracket and an inner mold;

[0013] The inner mold covers the outside of the left bracket and the right bracket;

[0014] The two sides of the connecting bracket are respectively connected to the left bracket and the right bracket in a transverse sliding manner;

[0015] A plurality of first telescopic support rods are arranged between the left bracket and the right bracket;

[0016] A screw rod bottom support is provided under the left bracket and the right bracket;

[0017] A sealing cover is arranged above the gap at the top of the inner mold.

[0018] Preferably, the box culvert base includes: a box culvert bottom plate and a box culvert wall root;

[0019] The bottom ends of the outer mold and the inner mold are both lower than the top surface of the box culvert wall root. In the formwork state, the bottom gaps between adjacent outer molds and inner molds and the bottom gaps between adjacent inner molds are blocked by the corresponding box culvert wall roots.

[0020] Preferably, the truss comprises: a horizontal beam and a vertical frame;

[0021] Both ends of the crossbeam are provided with vertical frames extending downwards;

[0022] The outer mold is connected with the vertical frame through a laterally extending lead screw support.

[0023] Preferably, the top end of the outer mold is connected to the crossbeam via a second telescopic support rod;

[0024] The top end of the outer mold is hingedly connected to the bottom end of the second telescopic support rod through an ear plate;

[0025] The cross beam is provided with a slide which slides freely along the cross beam, and the slide is hingedly connected to the top end of the second telescopic support rod through an ear plate.

[0026] Preferably, a climbing cone is pre-buried at the base of the box culvert wall, and the vertical frame is fixed to the climbing cone via a pull rod.

[0027] Preferably, a third telescopic support rod is provided at the bottom of the vertical frame, and the top end of the third telescopic support rod is hinged to the vertical frame.

[0028] Preferably, an outer mold wheel is provided at the bottom end of the vertical frame, and the outer mold wheel is located on the outer mold guide rail, and the outer mold trolley travels freely along the outer mold guide rail through the outer mold wheel;

[0029] The bottom ends of the left bracket and the right bracket are both provided with inner mold wheels. When the inner mold trolley is in the demoulding state, the inner mold wheels fall on the inner mold guide rails, and the inner mold trolley travels freely along the inner mold guide rails through the inner mold wheels.

[0030] Preferably, the first telescopic support rod, the second telescopic support rod and the third telescopic support rod have the same structure, and all adopt telescopic support rods; the telescopic support rod comprises: a connecting tube, a first screw rod and a second screw rod;

[0031] The thread directions of the first screw and the second screw are opposite;

[0032] The two ends of the connecting tube are respectively threadedly connected to the first screw rod and the second screw rod.

[0033] Preferably, the free ends of the first screw and the second screw are both provided with ear plates.

[0034] Preferably, a radially extending through hole is provided in the middle section of the connecting tube;

[0035] A plurality of handles are arranged on the outer wall of the middle section of the connecting tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1 This is a front view of the lining trolley in the embodiment of the utility model;

[0038] Figure 2 It is a side view of the lining trolley in the embodiment of the utility model;

[0039] Figure 3 This is a schematic diagram of the structure of the telescopic support rod in the embodiment of the utility model;

[0040] The reference numerals in the figure are set as: box culvert bottom plate 01, box culvert wall base 02, climbing cone 03, outer mold trolley 10, outer mold 11, screw top support 12, cross beam 13, vertical frame 14, second telescopic support rod 15, third telescopic support rod 16, outer mold wheel 17, inner mold trolley 20, left bracket 21, right bracket 22, connecting bracket 23, inner mold 24, screw bottom support 25, cover 26, inner mold wheel 27, first telescopic support rod 30, connecting tube 31, first screw 32, second screw 33, through hole 34, handle 35. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0042] The embodiment of the present application solves the problems of large manpower input, low efficiency and difficulty in ensuring appearance quality in box culvert concrete construction by providing a lining trolley for box culvert construction.

[0043] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0044] Example:

[0045] like Figure 1 , Figure 2 As shown, the utility model provides a lining trolley for box culvert construction, the lining trolley comprising: an outer mold trolley 10 and a plurality of inner mold trolleys 20;

[0046] The outer mold trolley 10 freely moves along the outer mold guide rail, and the inner mold trolley 20 freely moves along the inner mold guide rail;

[0047] The outer mold guide rail and the inner mold guide rail both extend along the length direction of the box culvert;

[0048] The inner mold guide rail is arranged on the precast box culvert base, and the outer mold guide rail is arranged on the ground outside the box culvert base;

[0049] The outer mold trolley 10 includes: a truss and an outer mold 11;

[0050] The truss is connected to the outer mold 11 through a screw support 12 to achieve support and position adjustment of the outer mold 11;

[0051] The inner mold trolley 20 includes: a left bracket 21, a right bracket 22, a connecting bracket 23 and an inner mold 24;

[0052] The inner mold 24 covers the left bracket 21 and the right bracket 22;

[0053] The two sides of the connecting bracket 23 are respectively connected to the left bracket 21 and the right bracket 22 in a transverse sliding manner;

[0054] A plurality of first telescopic support rods 30 are arranged between the left support 21 and the right support 22. During the casting process of the box culvert, the first telescopic support rods 30 provide lateral support force for the inner mold 24. After the box culvert is formed, the first telescopic support rods 30 are shortened to realize lateral demoulding of the inner mold 24.

[0055] A screw base support 25 is provided below the left bracket 21 and the right bracket 22. The screw base support 25 provides vertical support for the inner mold 24 during the casting process of the box culvert. After the box culvert is formed, the screw base support 25 is shortened to realize the top demoulding of the inner mold 24.

[0056] A cover 26 is provided above the gap at the top of the inner mold 24 to prevent concrete from leaking out of the gap at the top of the inner mold 24 .

[0057] like Figure 1 As shown, the box culvert base includes: a box culvert bottom plate 01 and a box culvert wall root 02;

[0058] The bottom ends of the outer mold 11 and the inner mold 24 are both lower than the top surface of the box culvert wall root 02. In the formwork state, the bottom gaps between adjacent outer molds 11 and inner molds 24 and the bottom gaps between adjacent inner molds 24 are blocked by the corresponding box culvert wall roots 02 to prevent concrete from leaking out of the bottom gaps of the formwork.

[0059] like Figure 1 As shown, the truss comprises: a horizontal beam 13 and a vertical frame 14;

[0060] Both ends of the crossbeam 13 are provided with vertical frames 14 extending downwards;

[0061] The outer mold 11 is connected to the vertical frame 14 through a laterally extending screw top support 12; during the casting process of the box culvert, the screw top support 12 provides lateral support for the outer mold 11, and after the box culvert is formed, the screw top support 12 is shortened to realize the demoulding of the outer mold 11.

[0062] like Figure 1 , Figure 2 As shown, the top end of the outer mold 11 is connected to the crossbeam 13 via a second telescopic support rod 15;

[0063] The top end of the outer mold 11 is hingedly connected to the bottom end of the second telescopic support rod 15 through an ear plate;

[0064] The cross beam 13 is provided with a slide that slides freely along the cross beam 13 , and the slide is hingedly connected to the top end of the second telescopic support rod 15 through an ear plate.

[0065] The second telescopic support rod 15 can be telescoped to vertically adjust the position of the outer mold 11 , and the slide bracket can slide along the crossbeam 13 to horizontally adjust the position of the outer mold 11 .

[0066] like Figure 1 As shown, a climbing cone 03 is pre-buried at the base of the box culvert wall 02 , and the vertical frame 14 is fixed to the climbing cone 03 by a pull rod to improve the stability of the outer mold 11 .

[0067] like Figure 1 As shown, a third telescopic support rod 16 is disposed at the bottom of the vertical frame 14 , the top end of the third telescopic support rod 16 is hinged to the vertical frame 14 , and the bottom end contacts the external environment structure, thereby improving the support stability of the vertical frame 14 .

[0068] like Figure 1 As shown, an outer mold wheel 17 is disposed at the bottom end of the vertical frame 14, and the outer mold wheel 17 is located on the outer mold guide rail. The outer mold trolley 10 freely travels along the outer mold guide rail through the outer mold wheel 17;

[0069] The bottom ends of the left bracket 21 and the right bracket 22 are both provided with inner mold wheels 27 . When the inner mold trolley 20 is in the demolding state, the inner mold wheel 27 falls on the inner mold guide rail, and the inner mold trolley 20 moves freely along the inner mold guide rail through the inner mold wheel 27 .

[0070] like Figure 3 As shown, the first telescopic support rod 30, the second telescopic support rod 15 and the third telescopic support rod 16 have the same structure, and all adopt telescopic support rods; the telescopic support rods include: a connecting tube 31, a first screw rod 32 and a second screw rod 33;

[0071] The thread directions of the first screw 32 and the second screw 33 are opposite;

[0072] The two ends of the connecting tube 31 are respectively threadedly connected to the first screw rod 32 and the second screw rod 33 , so that rotating the connecting tube 31 can drive the telescopic support rod to extend and retract.

[0073] like Figure 3 As shown, the free ends of the first screw rod 32 and the second screw rod 33 are both provided with ear plates, so as to facilitate the hinge connection of the two ends of the telescopic support rod with other structures;

[0074] A radially extending through hole 34 is provided in the middle of the connecting tube 31 to facilitate the insertion of a crowbar into the rotating connecting tube 31;

[0075] A plurality of handles 35 are provided on the outer wall of the middle section of the connecting tube 31 to further facilitate the rotation of the connecting tube 31 .

[0076] In summary, compared with the prior art, the present invention has the following beneficial effects:

[0077] In the embodiment of the utility model, the outer mold trolley and the inner mold trolley can travel along the extension direction of the box culvert. Before pouring the box culvert, the outer mold trolley supports the outer mold through the screw top support, and the inner mold trolley supports the inner mold through the first telescopic support rod and the screw bottom support. A cover is set up for the top gap of the inner mold, and the bottom gap of the adjacent mold is blocked by the root of the box culvert wall. The box culvert can be poured by pouring concrete from the top of the lining trolley; after the box culvert is formed, the screw top support, the first telescopic support rod and the screw bottom support are shortened to realize the demoulding of the outer mold and the inner mold, and the inner mold wheel of the inner mold trolley falls on the inner mold guide rail, driving the outer mold trolley and the inner mold trolley to travel along the extension direction of the box culvert to the next construction section, extending the screw top support, the first telescopic support rod and the screw bottom support to complete the formwork, and the box culvert can be poured for the next construction section; the labor cost is reduced, the construction efficiency is improved, and the template consistency is strong and the appearance quality is guaranteed.

[0078] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0079] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A lining trolley for box culvert construction, characterized in that: The lining trolley comprises: an outer mold trolley (10) and a plurality of inner mold trolleys (20); The outer mold trolley (10) moves freely along the outer mold guide rail, and the inner mold trolley (20) moves freely along the inner mold guide rail; The outer mold guide rail and the inner mold guide rail both extend along the length direction of the box culvert; The inner mold guide rail is arranged on the precast box culvert base, and the outer mold guide rail is arranged on the ground outside the box culvert base; The outer mold trolley (10) comprises: a truss and an outer mold (11); The truss is connected to the outer mold (11) via a screw support (12); The inner mold trolley (20) comprises: a left bracket (21), a right bracket (22), a connecting bracket (23) and an inner mold (24); The inner mold (24) covers the outside of the left bracket (21) and the right bracket (22); The two sides of the connecting bracket (23) are respectively connected to the left bracket (21) and the right bracket (22) in a transverse sliding manner; A plurality of first telescopic support rods (30) are arranged between the left support (21) and the right support (22); A screw rod base (25) is provided below the left bracket (21) and the right bracket (22); A sealing cover (26) is arranged above the gap at the top of the inner mold (24).

2. The lining trolley for box culvert construction according to claim 1, characterized in that: The box culvert base includes: a box culvert bottom plate (01) and a box culvert wall base (02); The bottom ends of the outer mold (11) and the inner mold (24) are both lower than the top surface of the box culvert wall root (02); in the formwork state, the bottom gaps between adjacent outer molds (11) and inner molds (24) and the bottom gaps between adjacent inner molds (24) are both blocked by the corresponding box culvert wall roots (02).

3. The lining trolley for box culvert construction according to claim 2, characterized in that: The truss comprises: a crossbeam (13) and a vertical frame (14); Both ends of the crossbeam (13) are provided with vertical frames (14) extending downwards; The outer mold (11) is connected to the vertical frame (14) via a laterally extending screw support (12).

4. The lining trolley for box culvert construction according to claim 3, characterized in that: The top end of the outer mold (11) is connected to the crossbeam (13) via a second telescopic support rod (15); The top end of the outer mold (11) is hingedly connected to the bottom end of the second telescopic support rod (15) via an ear plate; The cross beam (13) is provided with a slide which slides freely along the cross beam (13), and the slide is hingedly connected to the top end of the second telescopic support rod (15) through an ear plate.

5. The lining trolley for box culvert construction according to claim 3, characterized in that: A climbing cone (03) is pre-buried at the base of the box culvert wall (02), and the vertical frame (14) is fixed to the climbing cone (03) via a pull rod.

6. The lining trolley for box culvert construction according to claim 4, characterized in that: A third telescopic support rod (16) is arranged at the bottom of the vertical frame (14), and the top end of the third telescopic support rod (16) is hingedly connected to the vertical frame (14).

7. The lining trolley for box culvert construction according to claim 3, characterized in that: An outer mold wheel (17) is arranged at the bottom end of the vertical frame (14), and the outer mold wheel (17) is located on the outer mold guide rail, and the outer mold trolley (10) travels freely along the outer mold guide rail via the outer mold wheel (17); The bottom ends of the left bracket (21) and the right bracket (22) are both provided with inner mold wheels (27). When the inner mold trolley (20) is in a demoulding state, the inner mold wheel (27) falls on the inner mold guide rail, and the inner mold trolley (20) travels freely along the inner mold guide rail via the inner mold wheel (27).

8. The lining trolley for box culvert construction according to claim 6, characterized in that: The first telescopic support rod (30), the second telescopic support rod (15) and the third telescopic support rod (16) have the same structure and are all telescopic support rods; the telescopic support rods include: a connecting tube (31), a first screw rod (32) and a second screw rod (33); The thread directions of the first screw (32) and the second screw (33) are opposite; The two ends of the connecting tube (31) are respectively threadedly connected to the first screw rod (32) and the second screw rod (33).

9. The lining trolley for box culvert construction according to claim 8, characterized in that: The free ends of the first screw rod (32) and the second screw rod (33) are both provided with ear plates.

10. The lining trolley for box culvert construction according to claim 8, characterized in that: A radially extending through hole (34) is formed in the middle section of the connecting tube (31); A plurality of handles (35) are provided on the outer wall of the middle section of the connecting tube (31).

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