Supporting pier column template

Abstract

The embodiment of the invention provides a support pier column template. The supporting pier column formwork comprises sleeves, spiral protrusions extending in the axial direction of the sleeves are arranged on the wall faces of the sleeves, the multiple sleeves are sequentially arranged in a sleeved mode, and every two adjacent sleeves can stretch out and draw back in the axial direction of the sleeves. According to the supporting pier column formwork, every two adjacent sleeves can relatively move in the axial direction of the sleeves, so that the multiple sleeves are telescopic, transportation is facilitated when the multiple sleeves are in the retracted state, and when the multiple sleeves are in the extended state, concrete is poured into inner cavities of the multiple sleeves to form a supporting pier column; the spiral protrusions arranged on the casing pipes ensure that the casing pipes have high strength, the multiple casing pipes have high strength when in the stretching state, and therefore it is ensured that concrete is poured smoothly, and the strength of the formed supporting pier column is improved.

Description

Technical Field

[0001] The invention relates to the field of support, and in particular to a support pier column template. Background Art

[0002] A pier is a lower load-bearing structure used to support the upper structure in civil engineering. In mines such as coal mines, support piers are required to be installed along the gob and through the gob to avoid stress concentration and large deformation of the surrounding rock. However, the support piers in the related technology are difficult to transport and install. Summary of the invention

[0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent.

[0004] To this end, an embodiment of the present invention provides a supporting pier column template.

[0005] The supporting pier column template of the embodiment of the present invention comprises:

[0006] The sleeve has a wall surface provided with a spiral protrusion extending along the axial direction of the sleeve. The sleeve is a plurality of sleeves which are sleeved in sequence, and two adjacent sleeves can move relatively along the axial direction of the sleeve.

[0007] The supporting pier column formwork of the embodiment of the present invention is such that two adjacent sleeves can move relative to each other along the axial direction of the sleeves, so that the multiple sleeves can be retracted and retracted, and are convenient for transportation when the multiple sleeves are in a retracted state. When the multiple sleeves are in an extended state, they are used to pour concrete into the inner cavities of the multiple sleeves to form supporting pier columns. The spiral protrusions arranged on the sleeves ensure that the sleeves have high strength, so that the multiple sleeves have high strength when they are in an extended state, thereby ensuring smooth concrete pouring and improving the strength of the formed supporting pier columns.

[0008] In some embodiments, in two adjacent sleeves, the axial first end of the sleeve located on the outer side is provided with a first limiting portion protruding inward, and the axial second end of the sleeve located on the inner side is provided with a second limiting portion protruding outward, and when the sleeve located on the inner side is extended to the extreme position by the sleeve located on the outer side, the first limiting portion and the second limiting portion are abutted against each other.

[0009] In some embodiments, the spiral protrusion is arranged on the outer peripheral wall surface of the sleeve. In two adjacent sleeves, there is a spacing space between the first limiting portion of the sleeve located on the outer side and the outer peripheral wall surface of the sleeve located on the inner side, so that the spiral protrusion of the sleeve located on the inner side can pass through.

[0010] In some embodiments, the first limiting portion and the second limiting portion are both annular in shape around the axial direction of the sleeve.

[0011] In some embodiments, among the plurality of sleeves, the first end of the innermost sleeve is provided with a connecting portion, and the connecting portion is used to connect to a driving device to extend the plurality of sleeves.

[0012] In some embodiments, the driving device includes a telescopic cylinder, and the connecting portion protrudes outward from the innermost sleeve to be supported on the telescopic cylinder.

[0013] In some embodiments, the driving device includes a lifting device, and the connecting portion includes a lifting hole for connecting the lifting device.

[0014] In some embodiments, the connecting portion further includes a hanging plate, which protrudes outward from the innermost sleeve, and is annularly arranged along the circumference of the sleeve, and is provided with a plurality of the hanging holes arranged at intervals along the circumference of the sleeve, or, the hanging plate is a plurality of the hanging plates arranged at intervals along the circumference of the sleeve, and each of the hanging plates is provided with the hanging holes.

[0015] In some embodiments, the width W of the spiral protrusion is 0.5 mm to 1.5 mm, the spiral protrusion is arranged in multiple circles around the sleeve, the spacing L between adjacent spiral protrusions along the axial direction of the sleeve is 10 cm to 15 cm, and the spiral angle α of the spiral protrusion is 70° to 80°.

[0016] In some embodiments, the supporting pier column formwork also includes a flexible mold bag, and the inner cavity of the plurality of sleeves after extension is used for pouring concrete. The flexible mold bag is arranged in the inner cavity of the plurality of sleeves after extension and is located on the top of the concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of a supporting pier column template according to an embodiment of the present invention;

[0018] Figure 2 yes Figure 1 AA section view of the middle support pier formwork;

[0019] Figure 3 yes Figure 2 A magnified schematic diagram of part B;

[0020] Figure 4 yes Figure 2 A magnified schematic diagram of part C;

[0021] Figure 5 It is a top view of the supporting pier column formwork according to an embodiment of the present invention.

[0022] Reference numerals:

[0023] 1. Sleeve; 2. Spiral protrusion; 3. First limiting portion; 4. Second limiting portion; 5. Spacing space; 6. Connecting portion; 61. Hanging plate; 62. Hanging hole. DETAILED DESCRIPTION

[0024] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0025] Reference below Figure 1-Figure 5 A retaining pier column formwork according to an embodiment of the present invention is described.

[0026] like Figure 1-Figure 5 As shown, the supporting pier column template of the embodiment of the present invention includes a sleeve 1.

[0027] The wall surface of the sleeve 1 is provided with a spiral protrusion 2 extending along the axial direction of the sleeve 1. The sleeves 1 are multiple and are arranged in sequence. Two adjacent sleeves 1 can move relative to each other along the axial direction of the sleeve 1. For example, Figure 1 and Figure 2 As shown, the sleeve 1 is arranged in the vertical direction, and the inner wall surface and / or the outer wall surface of the sleeve 1 is provided with a spiral protrusion 2 extending in the vertical direction. The sleeve 1 is a plurality of sleeves arranged in sequence from the inside to the outside, and two adjacent sleeves 1 can move relative to each other in the vertical direction, so that the plurality of sleeves 1 can be telescopic.

[0028] When the supporting pier column formwork is used, it will first be in a retracted state (such as Figure 1 The multiple casings 1 in the state shown in the figure are transported to the installation position such as the gob-side tunnel and the gob-through tunnel by a rubber-wheeled vehicle such as a mine. The multiple casings 1 in the retracted state are preferably transported by the rubber-wheeled vehicle in a horizontal position. The rubber-wheeled vehicle can transport multiple groups of casings 1 at the same time. When the multiple casings 1 are transported to the installation position, the multiple casings 1 are unloaded from the rubber-wheeled vehicle and placed vertically, and then the multiple casings 1 are stretched so that the multiple casings 1 are in an elongated state. At this time, the multiple casings 1 in the elongated state are connected between the bottom surface and the top surface of the tunnel. After that, concrete is poured into the inner cavity of the multiple casings 1 in the elongated state, and the concrete forms a supporting pier after solidification.

[0029] It should be noted that, in the retracted state, of the two adjacent sleeves 1, the inner sleeve 1 may be completely located inside the outer sleeve 1, or a small part may be located outside the outer sleeve 1, for example Figure 1In the example shown, the top of the inner casing 1 is located outside the top of the outer casing 1. In the extended state, the relative movement distance of two adjacent casings 1 is related to the tunnel height, and the relative movement distance of each two adjacent casings 1 can be the same or different. In other words, each two adjacent casings 1 can have the same relative movement distance, or some of the two adjacent casings 1 can have relative movement, while the other two adjacent casings 1 can have no relative movement.

[0030] The supporting pier column formwork of the embodiment of the present invention is such that two adjacent sleeves can move relative to each other along the axial direction of the sleeves, so that the multiple sleeves can be retracted and retracted, and are convenient for transportation when the multiple sleeves are in a retracted state. When the multiple sleeves are in an extended state, they are used to pour concrete into the inner cavities of the multiple sleeves to form supporting pier columns. The spiral protrusions arranged on the sleeves ensure that the sleeves have high strength, so that the multiple sleeves have high strength when they are in an extended state, thereby ensuring smooth concrete pouring and improving the strength of the formed supporting pier columns.

[0031] In some embodiments, the width W of the spiral protrusion 2 is 0.5 mm to 1.5 mm. In other words, the dimension of the spiral protrusion 2 along the axial direction of the sleeve 1 is 0.5 mm to 1.5 mm. Figure 3 shown.

[0032] The spiral protrusion 2 is arranged to be multiple turns around the sleeve 1. Along the axial direction of the sleeve 1, the spacing L between adjacent spiral protrusions 2 is 10 cm to 15 cm. In other words, the spiral protrusion 2 extends multiple turns along the circumference of the sleeve 1. Figure 1 and Figure 2 In the vertical direction shown, the spacing L between adjacent spiral protrusions 2 is 10 cm to 15 cm. Figure 2 shown.

[0033] The helical angle α of the spiral protrusion 2 is 70° to 80°. In other words, the angle between the tangent direction of the spiral protrusion 2 and the axial direction of the sleeve 1 is 70° to 80°. Figure 1 shown.

[0034] The width W, the spacing L and the helix angle α of the spiral protrusions 2 cooperate to make the sleeve 1 have higher strength.

[0035] In some embodiments, in two adjacent sleeves 1, the axial first end of the sleeve 1 located on the outside is provided with a first limiting portion 3 protruding inward, and the axial second end of the sleeve 1 located on the inside is provided with a second limiting portion 4 protruding outward. When the sleeve 1 located on the inside is extended to the extreme position by the sleeve 1 located on the outside, the first limiting portion 3 and the second limiting portion 4 are abutted against each other.

[0036] like Figure 2-Figure 4As shown, in two adjacent sleeves 1, the top end of the outer sleeve 1 is provided with a first limiting portion 3 protruding inward, and the bottom end of the inner sleeve 1 is provided with a second limiting portion 4 protruding outward, the first limiting portion 3 and the second limiting portion 4 are arranged opposite to each other, in the retracted state, the first limiting portion 3 and the second limiting portion 4 are arranged at intervals in the vertical direction, in the extended state, and when the inner sleeve 1 is extended upward from the outer sleeve 1 to the extreme position, the first limiting portion 3 and the second limiting portion 4 are abutted. Preferably, the top of the innermost sleeve 1 does not have the first limiting portion 3, and the bottom plate of the outermost sleeve 1 does not have the second limiting portion 4.

[0037] When the supporting pier column formwork is used, multiple sleeves 1 in a retracted state are placed vertically at the installation position, and then the innermost sleeve 1 is driven to extend upward, and the first limiting portion 3 of the second sleeve 1 from the inside to the outside is pulled upward by the second limiting portion 4 of the innermost sleeve 1, thereby driving the second sleeve 1 from the inside to the outside to extend upward, thereby driving the other sleeves 1 except the outermost sleeve 1 from the inside to the outside to extend upward in sequence until they are in an extended state.

[0038] Therefore, the first limiting portion 3 and the second limiting portion 4 play a role of linkage, and also play a role in preventing two adjacent sleeves 1 from separating during stretching.

[0039] Preferably, the number and axial height of the sleeves 1 are set according to the height of the tunnel. In the extended state, in every two adjacent sleeves 1, the second limiting portion 4 of the inner sleeve 1 abuts against the first limiting portion 3 of the outer sleeve 1.

[0040] Preferably, the overall axial length of the plurality of sleeves 1 in the retracted state is 1 m to 1.2 m, and the overall axial length of the plurality of sleeves 1 in the extended state is 3 m to 4 m.

[0041] In some embodiments, the spiral protrusion 2 is provided on the outer peripheral wall surface of the sleeve 1. In two adjacent sleeves 1, there is a spacing space 5 between the first limiting portion 3 of the sleeve 1 located on the outer side and the outer peripheral wall surface of the sleeve 1 located on the inner side, so that the spiral protrusion 2 of the sleeve 1 located on the inner side can pass through.

[0042] like Figure 3 As shown, the outer circumferential wall of the sleeve 1 is provided with a spiral protrusion 2, and the inner circumferential wall of the sleeve 1 is smoothly arranged. In two adjacent sleeves 1, there is a spacing space 5 between the first limiting portion 3 of the outer sleeve 1 and the outer circumferential wall of the inner sleeve 1. The radial dimension of the spacing space 5 along the sleeve 1 is greater than or equal to the radial dimension of the spiral protrusion 2 along the sleeve 1. In other words, the outer diameter of the spacing space 5 is greater than or equal to the outer diameter of the spiral protrusion 2, so that when the inner sleeve 1 extends upward relative to the outer sleeve 1, the spiral protrusion 2 of the inner sleeve 1 can pass through the spacing space 5, ensuring that the two adjacent sleeves 1 can move relative to each other.

[0043] In some embodiments, the first limiting portion 3 and the second limiting portion 4 are both ring-shaped around the axial direction of the sleeve 1 .

[0044] like Figure 2-Figure 4 As shown, the first limiting portion 3 and the second limiting portion 4 are both ring-shaped around the vertical direction to ensure that the relatively arranged first limiting portion 3 and the second limiting portion 4 can offset each other. At the same time, the first limiting portion 3 is arranged in a ring shape to better cooperate with the corresponding spiral protrusion 2.

[0045] Preferably, the first limiting portion 3 and the second limiting portion 4 are flanges.

[0046] In some embodiments, among the multiple sleeves 1, the first end of the innermost sleeve 1 is provided with a connecting portion 6, and the connecting portion 6 is used to connect a driving device (not shown in the figure) to extend the multiple sleeves 1.

[0047] like Figure 1-Figure 3 As shown, a connection portion 6 is provided at the top end of the innermost sleeve 1, and a driving device is connected to the connection portion 6 to drive the innermost sleeve 1 to extend and move upward, thereby driving multiple sleeves 1 to extend and move upward in sequence.

[0048] In some embodiments, the driving device includes a telescopic cylinder, and the connecting portion 6 protrudes outward from the innermost sleeve 1 and is used to be supported on the telescopic cylinder.

[0049] like Figure 1 As shown, the driving device can be a telescopic cylinder such as a hydraulic cylinder (not shown in the figure), and the connecting part 6 protrudes outward from the innermost sleeve 1, and is preferably but not limited to an annular plate around the vertical direction. The connecting part 6 is supported on the top of the telescopic cylinder, and the telescopic cylinder extends and moves to drive the connecting part 6 to move upward, thereby driving the innermost sleeve 1 to extend and move upward.

[0050] In some embodiments, the driving device includes a lifting device, and the connecting portion 6 includes a lifting hole 62 for connecting the lifting device.

[0051] like Figure 1 and Figure 5 As shown, the driving device can also adopt a lifting device such as a boom device or a hook, a sling, etc. arranged on the top of the tunnel. The connecting part 6 includes a lifting hole 62 arranged at the top of the innermost casing 1, and the lifting hole 62 is connected to the lifting device, and the innermost casing 1 is driven to extend and move upward through the lifting device.

[0052] In some embodiments, the connecting portion 6 also includes a hanging plate 61, which protrudes outward from the innermost casing 1. The hanging plate 61 is annularly arranged along the circumference of the casing 1, and is provided with a plurality of hanging holes 62 arranged at intervals along the circumference of the casing 1. Alternatively, the hanging plate 61 is a plurality of hanging plates arranged at intervals along the circumference of the casing 1, and each hanging plate 61 is provided with a hanging hole 62.

[0053] like Figure 1 and Figure 5 As shown, the connection part 6 also includes a hanging plate 61, which is arranged at the top end of the innermost sleeve 1 and protrudes outward, and is preferably but not limited to an annular plate around the vertical direction. The annular plate serving as the hanging plate 61 is provided with a plurality of hanging holes 62, and the plurality of hanging holes 62 are arranged at intervals around the vertical direction, preferably evenly distributed, so as to facilitate the connection of the lifting device and ensure that the inner sleeve 1 moves upward stably under the drive of the lifting device.

[0054] It is understandable that, in other embodiments, the hanging plate 61 may be provided in plurality, and the plurality of hanging plates 61 are arranged at intervals around the vertical direction, preferably evenly distributed, and each hanging plate 61 is provided with a corresponding hanging hole 62 .

[0055] It should be noted that the hanging plate 61 is not limited to being connected to the lifting device. When used to support the pier column formwork, the hanging plate 61 can also be carried on a telescopic cylinder to drive the innermost sleeve 1 to extend and move upward through the telescopic cylinder.

[0056] In some embodiments, the supporting pier column formwork of the embodiment of the present invention also includes a flexible mold bag (not shown in the figure), and the inner cavity of the multiple sleeves 1 after the extension movement is used for pouring concrete. The flexible mold bag is arranged in the inner cavity of the multiple sleeves 1 after the extension movement and is located on the top of the concrete.

[0057] Specifically, when the multiple casings 1 are in an extended state, the inner cavities of the multiple casings 1 are connected in sequence in the vertical direction, and concrete is poured into the inner cavities of the multiple casings 1. The flexible mold bag floats on the top of the concrete and is located at the top of the inner cavity of the innermost casing 1. The flexible mold bag is used to abut the top of the tunnel to prevent concrete from overflowing from the top of the innermost casing 1.

[0058] In the description of the present invention, it is to be understood that the terms “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0059] In addition, the terms "first" and "second" are only used for distinction, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0060] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0062] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0063] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A supporting pier column formwork, characterized in that: include: A sleeve (1), wherein the wall surface of the sleeve (1) is provided with a spiral protrusion (2) extending along the axial direction of the sleeve (1), and the sleeve (1) is a plurality of sleeves which are sequentially sleeved, and two adjacent sleeves (1) can move relative to each other along the axial direction of the sleeve (1).

2. The supporting pier column formwork according to claim 1, characterized in that: In the two adjacent sleeves (1), the first axial end of the sleeve (1) located on the outside is provided with a first limiting portion (3) protruding inwardly, and the second axial end of the sleeve (1) located on the inside is provided with a second limiting portion (4) protruding outwardly, and when the sleeve (1) located on the inside is extended to the limit position by the sleeve (1) located on the outside, the first limiting portion (3) and the second limiting portion (4) are abutted.

3. The supporting pier column formwork according to claim 2, characterized in that: The spiral protrusion (2) is arranged on the outer peripheral wall surface of the sleeve (1), and in two adjacent sleeves (1), there is a spacing space (5) between the first limiting portion (3) of the sleeve (1) located on the outer side and the outer peripheral wall surface of the sleeve (1) located on the inner side, so as to allow the spiral protrusion (2) of the sleeve (1) located on the inner side to pass through.

4. The supporting pier column formwork according to claim 2, characterized in that: The first limiting portion (3) and the second limiting portion (4) are both annular in shape around the axial direction of the sleeve (1).

5. The supporting pier column formwork according to claim 2, characterized in that: Among the multiple sleeves (1), the first end of the innermost sleeve (1) is provided with a connecting portion (6), and the connecting portion (6) is used to connect a driving device to extend the multiple sleeves (1).

6. The supporting pier column formwork according to claim 5, characterized in that: The driving device comprises a telescopic cylinder, and the connecting portion (6) protrudes outward from the innermost sleeve (1) and is used to be supported on the telescopic cylinder.

7. The supporting pier column formwork according to claim 5, characterized in that: The driving device comprises a lifting device, and the connecting portion (6) comprises a lifting hole (62) for connecting the lifting device.

8. The supporting pier column formwork according to claim 7, characterized in that: The connecting portion (6) further comprises a hanging plate (61), the hanging plate (61) protruding outward from the innermost sleeve (1), the hanging plate (61) being annularly arranged along the circumference of the sleeve (1), and being provided with a plurality of hanging holes (62) arranged at intervals along the circumference of the sleeve (1), or the hanging plate (61) being a plurality of hanging plates arranged at intervals along the circumference of the sleeve (1), and each of the hanging plates (61) being provided with the hanging hole (62).

9. The supporting pier column formwork according to claim 1, characterized in that: The width W of the spiral protrusion (2) is 0.5 mm to 1.5 mm, the spiral protrusion (2) is arranged to be multiple turns around the sleeve (1), the spacing L between adjacent spiral protrusions (2) along the axial direction of the sleeve (1) is 10 cm to 15 cm, and the spiral angle α of the spiral protrusion (2) is 70° to 80°.

10. The supporting pier column formwork according to any one of claims 1 to 9, characterized in that: It also comprises a flexible mold bag. The inner cavity of the plurality of sleeves (1) after extension is used for pouring concrete. The flexible mold bag is arranged in the inner cavity of the plurality of sleeves (1) after extension and is located on the top of the concrete.

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