Adjusting device and system for stretching and retracting of inner cavity template

Abstract

The embodiment of the utility model provides an adjusting device and system for expansion and contraction of an inner cavity template, and relates to the technical field of bridge construction equipment, the adjusting device for expansion and contraction of the inner cavity template is provided with at least one group of expansion and contraction parts, each group of expansion and contraction parts comprises two wheel rotating devices and a comb plate, the two wheel rotating devices are symmetrically arranged on the inner cavity templates on the two sides, the two wheel rotating devices are rotationally connected with the comb plate, the corresponding wheel rotating device on the inner cavity template to be adjusted is rotated, and the wheel rotating devices drive the inner cavity template to be adjusted to transversely move through the comb plate. The telescopic component is connected with the inner cavity formworks on the two sides, so that the inner cavity formworks on the two sides form a whole, the supporting stress on the two sides is improved, and the requirement for different thicknesses of the inner cavity web of the box girder is met by transversely moving the inner cavity formworks.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction equipment, in particular to an adjusting device and system for the telescopic of an inner cavity formwork. Background Technique

[0002] In bridge construction, under the action of dead and live loads, the negative moment at the support generated by the continuous beam unloads the positive moment at the mid-span, making the internal force state more uniform and reasonable. It increases the clearance under the bridge compared with general bridges, and the continuous beam also has the characteristics of material saving, good integrity, high stiffness, etc. Therefore, continuous beams are widely used when the bridge span is large and the terrain and construction environment under the bridge are poor.

[0003] Due to the structural characteristics of the continuous beam, the thickness of the box girder section and the continuous beam web will gradually change, and large-area lateral adjustment of the inner cavity formwork connected to the continuous beam web is required to meet the different thickness requirements of the inner cavity web of the continuous beam. In the prior art, during adjustment, the two side formworks of the box girder inner formwork are disassembled, and formwork sections or local members are replaced. Frequent disassembly and shelving will affect the structural dimensions and appearance linearity, resulting in deformation of the formwork. Content of the Utility Model

[0004] The embodiment of the utility model provides an adjusting device and system for the telescopic of an inner cavity formwork to solve the technical problem of cumbersome operation during the adjustment of the inner cavity formwork of a continuous beam in the related art.

[0005] In a first aspect, the embodiment of the utility model provides an adjusting device for the telescopic of an inner cavity formwork, including at least one set of telescopic components, and each set of the telescopic components includes:

[0006] Two rotators, which are symmetrically arranged on the inner cavity formworks on both sides;

[0007] A comb-shaped plate, and both of the two rotators are rotatably connected to the comb-shaped plate;

[0008] Rotate the corresponding rotator on the inner cavity formwork to be adjusted, and the rotator drives the inner cavity formwork to be adjusted to move horizontally through the comb-shaped plate.

[0009] In some embodiments, each rotator includes:

[0010] Two connecting splints, which are respectively arranged on both sides of the comb-shaped plate;

[0011] An arc-shaped rail plate, and both sides of the arc-shaped rail plate are fixedly connected to the two connecting splints respectively;

[0012] A circular rail plate, the center of the circular rail plate is located on the central axis of the convex side of the arc-shaped rail plate, and both sides of the circular rail plate are fixedly connected to the two connecting splints respectively;

[0013] A rotating wheel grip, one end of the rotating wheel grip is fixedly connected to the outer side of one of the connecting clamping plates, and the rotating wheel grip is used to connect the inner cavity template.

[0014] In some embodiments, each of the comb plates includes:

[0015] A comb plate body;

[0016] A plurality of arc-shaped grooves, the plurality of arc-shaped grooves are spaced apart and arranged at the lower part of the comb plate body, and the arc-shaped grooves are attached to the protruding side of the arc-shaped rail plate;

[0017] U-shaped grooves corresponding to the plurality of arc-shaped grooves one by one, the plurality of U-shaped grooves are spaced apart and arranged at the lower part of the comb plate body, and the concave part of the U-shaped groove is attached to the circular rail plate.

[0018] In some embodiments, the distance from the axis of each U-shaped groove to the central axes of two adjacent arc-shaped grooves is equal.

[0019] In some embodiments, the arc-shaped rail plate and the connecting clamping plate are connected by plug welding.

[0020] In some embodiments, the circular rail plate and the connecting clamping plate are connected by plug welding.

[0021] In some embodiments, it further includes:

[0022] A fastening nut, the fastening nut is arranged on the rotating wheel grip, and the fastening nut is used to connect the rotator and the inner cavity template.

[0023] In some embodiments, the distance between the inner sides of the two connecting clamping plates is equal to the thickness of the comb plate.

[0024] In some embodiments, each rotator is detachably connected to the cross bar of the inner cavity template.

[0025] In a second aspect, a regulating system for the telescopic movement of the inner cavity template is provided, including the aforementioned regulating device for the telescopic movement of the inner cavity template.

[0026] The beneficial effects brought by the technical solution provided by the present utility model include:

[0027] The embodiment of the utility model provides an adjustment device and system for the expansion and contraction of the inner cavity template. The adjustment device for the expansion and contraction of the inner cavity template is provided with at least one group of expansion and contraction components. Each group of expansion and contraction components includes two rotators and comb plates. The two rotators are symmetrically arranged on the inner cavity templates on both sides. The two rotators are rotatably connected to the comb plates. The corresponding rotators on the inner cavity template to be adjusted are rotated, and the rotators drive the inner cavity template to be adjusted to move horizontally through the comb plates. The expansion and contraction components of the utility model connect the inner cavity templates on both sides, so that the inner cavity templates on both sides form a whole, improve the support force on both sides, and meet the different thickness requirements of the inner cavity web of the box beam by moving the inner cavity template horizontally. Brief Description of the Figures

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 An overall schematic diagram of an adjustment device for the expansion and contraction of an inner cavity template provided by an embodiment of the utility model;

[0030] Figure 2 A front view of a rotary device for adjusting the extension and retraction of an inner cavity template provided by an embodiment of the utility model;

[0031] Figure 3 A side view of a rotary device for adjusting the extension and retraction of an inner cavity template provided by an embodiment of the utility model;

[0032] Figure 4 A diagram showing the first adjustment step of an adjustment device for the expansion and contraction of an inner cavity template provided by an embodiment of the utility model;

[0033] Figure 5 A diagram of the second adjustment step of an adjustment device for the expansion and contraction of an inner cavity template provided by an embodiment of the utility model;

[0034] Figure 6 This is a diagram of the third adjustment step of an adjustment device for the expansion and contraction of an inner cavity template provided by an embodiment of the utility model.

[0035] Reference Numbers:

[0036] 1. telescopic component; 11. rotary device; 111. connecting splint; 112. arc-shaped rail plate; 1121. convex side; 113. circular rail plate; 114. rotary wheel handle; 12. comb plate; 121. comb plate body; 122. arc-shaped groove; 123. U-shaped groove; 1231. concave part;

[0037] 2. Inner cavity template; 21. Cross bar;

[0038] 3. Tightening nut. Specific implementation manner

[0039] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0040] The embodiments of the present utility model provide an adjusting device and system for the telescopic movement of an inner cavity template, which can solve the technical problem of cumbersome operation in adjusting the existing inner cavity template of a continuous beam in the related art.

[0041] See Figure 1 As shown, an adjusting device for the telescopic movement of an inner cavity template provided by the embodiments of the present utility model includes at least one set of telescopic components 1. Each set of the telescopic components 1 is provided with two rotators 11 and a comb-shaped plate 12. The two rotators 11 are respectively arranged on the inner cavity templates 2 on both sides, and the rotator 11 and the inner cavity template 2 on one side are symmetrical with the rotator 11 and the inner cavity template 2 on the other side. The two ends of the comb-shaped plate 12 are respectively clamped into the two rotators 11. The two rotators 11 are on the same horizontal line, so that the comb-shaped plate 12 connected to the two rotators 11 is horizontal, and the two rotators 11 are rotatably connected to the comb-shaped plate 12. Rotate the rotator 11 corresponding to the inner cavity template 2 to be adjusted, and the rotator 11 drives the inner cavity template 2 to move along the direction of the comb-shaped plate 12. When disassembling and assembling the construction support template of the continuous beam, after the inner cavity templates 2 on both sides are installed, the comb-shaped plate 12 is clamped into the two rotators 11. The clamping surface shapes of the comb-shaped plate 12 and the two rotators 11 are adapted to each other, and are smoothly joined to avoid jamming. The comb-shaped plate 12 forms an integral body of the inner cavity templates 2 on both sides, improves the support force on both sides, rotates the rotator 11 to move the inner cavity template 2 to adjust the thickness of the inner cavity web, with simple operation and reduced deformation of the inner cavity template caused by frequent disassembly of the inner cavity template.

[0042] The adjusting device for the telescopic movement of the inner cavity template provided by the embodiment of the present utility model is provided with at least one set of telescopic components. Each set of telescopic components is provided with two rotators and a comb plate. The two rotators are connected to the two sides of the inner cavity template to be adjusted. The two ends of the comb plate are respectively clamped into the two rotators. The comb plate forms an integral body of the two sides of the inner cavity template. By rotating the rotator, the inner cavity template moves along the comb plate to adjust the thickness of the inner cavity web plate connected to the two sides of the inner cavity template. The adjusting device is easy to use, reduces the time consumption, and reduces the deformation of the inner cavity template caused by frequent dismantling and shelving.

[0043] As an optional implementation manner, in an embodiment of the utility model, refer to Figure 2 and Figure 3 As shown, each rotator 11 includes two connecting clamping plates 111, an arc-shaped rail plate 112, a circular rail plate 113 and a rotator grip 114. The arc-shaped rail plate 112 is arranged at the upper part of the two connecting clamping plates 111. The two sides of the arc-shaped rail plate 112 are respectively attached to the inner sides of the two connecting clamping plates 111. The circular rail plate 113 is arranged at the lower part of the two connecting clamping plates 111. The two sides of the circular rail plate 113 are respectively attached to the inner sides of the two connecting clamping plates 111. The opening of the arc-shaped rail plate 112 faces the circular rail plate 113, and the central axes of the circular rail plate 113 and the arc-shaped rail plate 112 coincide. One end of the rotator grip 114 is fixedly connected to the outer side of a connecting clamping plate 111. The rotator grip 114 is used to connect the inner cavity template 2. A round hole is opened on the inner cavity template 2 corresponding to the installation position of the rotator 11 for installing the rotator 11. The position on the rotator grip 114 close to the inner cavity template 2 with a length of 3 - 4 cm is threaded for installing the fastening nut 3. By tightening the fastening nut 3, the rotator grip 114 and the inner cavity template 2 are fixedly connected. In this embodiment, the connecting clamping plate 111 is in a symmetric pendulum shape. The upper edges of the two connecting clamping plates 111 are parallel to the arc-shaped rail plate 112, and the lower edges of the two connecting clamping plates 111 are parallel to the circular rail plate 113. The rotator 11 has upper and lower track plates. The comb plate 12 is provided with two kinds of grooves with corresponding shapes. In this embodiment, the upper track plate of the rotator 11 is the arc-shaped rail plate 112, and the lower track plate is the circular rail plate 113. The comb plate 12 is correspondingly provided with an arc-shaped groove 122 and a U-shaped groove 123 with corresponding shapes, so that the clamping surfaces are smoothly connected to avoid jamming. The structure of the rotator is simple, and the contact surface with the comb plate is smooth, which is convenient for adjustment.

[0044] As an optional implementation manner, in an embodiment of the utility model, refer to Figure 1 and Figure 4As shown, each comb tooth plate 12 is provided with a comb tooth plate body 121, a plurality of arc grooves 122, and U-shaped grooves 123 corresponding to the plurality of arc grooves 122 one by one. The plurality of arc grooves 122 are spaced apart and provided at the lower part of the comb tooth plate body 121. During the adjustment process, the arc grooves 122 are in contact with the protruding side 1121 of the arc track plate 112. The plurality of U-shaped grooves 123 are spaced apart and provided at the lower part of the comb tooth plate body 121. The concave part 1231 of the U-shaped groove 123 is in contact with the circular track plate 113. The distance D from the center of the concave part 1231 of the U-shaped groove 123 to the bottom end of the U-shaped groove 123 is adapted to the size of the rotary device 11, which is convenient for adjustment. See Figure 4 , Figure 5 and Figure 6 During the adjustment process of ,

[0045] , the arc groove 122 is in contact with the protruding side 1121 of the arc track plate 112. By rotating the rotary wheel grip 114 to rotate the rotary device 11 ninety degrees to one side, the circular track plate 113 reaches the bottom of the U-shaped groove 123, and then by rotating the rotary wheel grip 114, the circular track plate 113 is in contact with the concave part 1231 of the U-shaped groove 123. During this process, the comb tooth plate 12 translates in the opposite direction of the rotation, driving the inner cavity template 2 to move. Adjustments are made sequentially according to the adjustment direction and size requirements of each inner cavity template 2 to meet the different thickness requirements of the inner cavity web of the box girder.

[0045] As an optional implementation manner, in a utility model embodiment, see Figure 5 As shown, the distance L from the axis of each U-shaped groove 123 to the central axes of two adjacent arc grooves 122 is equal. L is equal to the distance D from the center of the concave part 1231 of the U-shaped groove 123 to the bottom end of the U-shaped groove 123, and is adapted to the distance from the center of the circular track plate 113 to the arc track plate 112 of the rotary device 11, which is convenient for adjusting the size.

[0046] As an optional implementation manner, in a utility model embodiment, see Figure 3 As shown, the arc track plate 112 and the connecting splint 111 are connected by plug welding to ensure that the contact surface between the arc track plate 112 and the comb tooth plate 12 is smooth and flat, improving the adjustment efficiency of the adjustment device.

[0047] As an optional implementation manner, in a utility model embodiment, see Figure 3 As shown, the circular track plate 113 and the connecting splint 111 are connected by plug welding to ensure that the contact surface between the connecting splint 111 and the comb tooth plate 12 is smooth and flat, improving the adjustment efficiency of the adjustment device.

[0048] As an optional implementation manner, in a utility model embodiment, see Figure 3As shown, a fastening nut 3 is also provided, and the fastening nut 3 is provided on the rotating wheel handle 114. The fastening nut 3 is used to connect the rotating device 11 and the inner cavity template 2. When in the adjustment state, the fastening nut 3 should be removed. When in the connection state, the two fastening nuts 3 are used for transverse fastening and locking to ensure the safety and reliability of the structure.

[0049] As an optional implementation, in a utility model embodiment, see Figure 3 As shown in FIG. 1 , the inner distance between the two connecting splints 111 is equal to the thickness of the comb plate 12, so as to improve the rotation stability of the two rotators 11 and the comb plate 12 during the adjustment process.

[0050] As an optional implementation, in a utility model embodiment, each of the rotators 11 is detachably connected to the crossbar 21 of the inner cavity template 2, and the entire device is light and easy to disassemble, meeting the requirements of construction efficiency, simplicity and convenience.

[0051] An embodiment of the present invention also provides an adjustment system for the extension and retraction of an inner cavity template, comprising an adjustment device for the extension and retraction of an inner cavity template, wherein the adjustment device comprises at least one group of telescopic components 1, each group of telescopic components 1 being provided with two rotators 11 and a comb plate 12, the two rotators 11 being respectively provided on the inner cavity template 2 on both sides, and the rotators 11 and the inner cavity template 2 on one side are symmetrical with the rotators 11 and the inner cavity template 2 on the other side, the two ends of the comb plate 12 are respectively engaged with the two rotators 11, the two rotators 11 are on the same horizontal line, the comb plate 12 connected to the two rotators 11 are horizontal, and the two rotators 11 are rotatably connected to the comb plate 12, the rotator 11 corresponding to the inner cavity template 2 to be adjusted is rotated, and the rotator 11 drives the inner cavity template 2 to move along the direction of the comb plate 12. When disassembling and assembling the construction support formwork of the continuous beam, after the inner cavity formwork 2 on both sides is installed, the comb plate 12 is clamped into the two rotators 11. The comb plate 12 forms the inner cavity formwork 2 on both sides into a whole, improves the support force on both sides, and rotates the rotator 11 to move the inner cavity formwork 2 to meet the different thickness requirements of the inner cavity web of the box beam. The operation is simple and the deformation of the inner cavity formwork caused by frequent disassembly of the inner cavity formwork is reduced.

[0052] ​​In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. Unless otherwise clearly specified and defined, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0053] It should be noted that in the present utility model, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0054] The above is only the specific implementation manners of the present utility model, enabling those skilled in the art to understand or implement the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to these embodiments shown herein, but rather should be accorded the widest scope consistent with the principles and novel features of the present utility model.

Claims

1. An adjustment device for the expansion and contraction of an inner cavity template, characterized in that: The invention comprises at least one group of telescopic components (1), each group of telescopic components (1) comprising: Two rotators (11), the two rotators (11) being symmetrically arranged on the inner cavity template (2) at two sides; A comb plate (12), both of the two rotators (11) being rotatably connected to the comb plate (12); The rotator (11) corresponding to the inner cavity template (2) to be adjusted is rotated, and the rotator (11) drives the inner cavity template (2) to be adjusted to move horizontally via the comb plate (12).

2. The adjusting device for the expansion and contraction of the inner cavity template according to claim 1, characterized in that: Each of the rotators (11) comprises: Two connecting clamping plates (111), the two connecting clamping plates (111) being respectively arranged on both sides of the comb plate (12); An arc-shaped rail plate (112), two sides of which are respectively fixedly connected to the two connecting clamping plates (111); A circular rail plate (113), the center of which is located on the central axis of the convex side (1121) of the arc-shaped rail plate (112), and two sides of the circular rail plate (113) are respectively fixedly connected to the two connecting clamping plates (111); A rotating wheel handle (114), one end of which is fixedly connected to the outer side of one of the connecting clamps (111), and the rotating wheel handle (114) is used to connect to the inner cavity template (2).

3. The adjusting device for the expansion and contraction of the inner cavity template according to claim 2, characterized in that: Each of the comb plates (12) comprises: Comb plate body (121); A plurality of arc-shaped grooves (122), wherein the plurality of arc-shaped grooves (122) are arranged at intervals on the lower part of the comb plate body (121), and the arc-shaped grooves (122) are fitted with the protruding side (1121) of the arc-shaped rail plate (112); A U-shaped groove (123) corresponding one to the plurality of arc-shaped grooves (122) is provided at intervals at the lower portion of the comb plate body (121), and a recessed portion (1231) of the U-shaped groove (123) is fitted with the circular rail plate (113).

4. The adjusting device for the expansion and contraction of the inner cavity template according to claim 3, characterized in that: The distance between the axis of each U-shaped groove (123) and the central axes of two adjacent arc-shaped grooves (122) is equal.

5. The adjusting device for the expansion and contraction of the inner cavity template according to claim 2, characterized in that: The arc-shaped rail plate (112) and the connecting clamping plate (111) are connected by plug welding.

6. The adjusting device for the expansion and contraction of the inner cavity template according to claim 2, characterized in that: The circular rail plate (113) and the connecting clamping plate (111) are connected by plug welding.

7. The adjusting device for the expansion and contraction of the inner cavity template according to claim 2, characterized in that: Also includes: A fastening nut (3), wherein the fastening nut (3) is arranged on the rotary handle (114), and the fastening nut (3) is used to connect the rotary device (11) and the inner cavity template (2).

8. The adjusting device for the expansion and contraction of the inner cavity template according to claim 2, characterized in that: The inner distance between the two connecting clamping plates (111) is equal to the thickness of the comb plate (12).

9. The adjusting device for the expansion and contraction of the inner cavity template according to claim 1, characterized in that: Each of the rotators (11) is detachably connected to the crossbar (21) of the inner cavity template (2).

10. An adjustment system for the expansion and contraction of an inner cavity template, characterized in that: It comprises the adjusting device for the extension and retraction of the inner cavity template as described in any one of claims 1-9.

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