Core-grouting assembly type concrete shear wall component
By using adjustable sleeve components and inclined sliding connections in prefabricated concrete shear wall structures, the problems of time-consuming and labor-intensive methods and difficulties in sleeve rotation in traditional methods have been solved, achieving efficient and precise elevation adjustment and improving construction efficiency.
Patent Information
- Application Number
- CN202522491236.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-25
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-11-25
AI Technical Summary
In existing prefabricated concrete shear wall structures, traditional methods for adjusting the installation elevation of precast concrete vertical components are labor-intensive, time-consuming, prone to large deviations, or difficult to rotate the sleeves, thus affecting construction efficiency.
An adjustable sleeve assembly is adopted, including a base, a grouting sleeve, an adjusting block, and an adjusting bolt. The height of the grouting sleeve can be adjusted through a sloping sliding connection. Combined with the positioning structure and venting groove design, the adjustment accuracy and efficiency are improved.
It achieves efficient and precise elevation adjustment, improves construction efficiency, avoids problems such as difficulty in sleeve rotation and positioning deviation, and enhances the stability and efficiency of construction.
Smart Images

Figure CN223805734U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building construction technical field especially is a kind of core filling assembly type concrete shear wall component. BACKGROUND
[0002] With the acceleration of "building industrialization, residential industrialization" process of our country, the application of assembly integral type concrete structure in housing construction becomes the current research hotspot.
[0003] In order to make prefabricated concrete vertical component accurate installation positioning, the existing assembly type concrete shear wall structure needs to adjust the installation elevation of prefabricated concrete vertical component, and the traditional adjusting method mostly adopts the mode of steel shim, which is time-consuming and inefficient and has large deviation;Currently, grouting sleeve and base threaded connection method are also used to adjust height, but when the grouting sleeve is loaded into the concrete prefabricated shear wall, the rotation of the sleeve is very difficult, and the positioning difficulty is large, so it is time-consuming and laborious to adjust, thereby affecting construction efficiency. SUMMARY
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a kind of core filling assembly type concrete shear wall component to solve the problems raised in the above background art. To achieve the above purpose, the utility model adopts the following technical solutions:
[0005] The core filling assembly type concrete shear wall component, including prefabricated shear wall body, the shear wall body is provided with a plurality of hollow holes along its height direction, an adjustable sleeve assembly is arranged in each hollow hole, the adjustable sleeve assembly includes a base, a grouting sleeve, an adjusting block and an adjusting bolt, the bottom of the grouting sleeve is sleeved with the base, and the bottom end of the grouting sleeve is provided with an adjusting platform, the bottom end of the adjusting platform is provided with a first inclined surface, the adjusting block is arranged in the base and can slide along the radial direction of the base, and the top surface of the adjusting block is provided with a second inclined surface, the first inclined surface and the second inclined surface are slidably connected, and the adjusting bolt is rotatably arranged in the base along the radial direction of the base and is threadedly connected with the adjusting block.
[0006] Optionally, the inner wall of the base is symmetrically provided with two positioning bosses, the outer wall of the grouting sleeve is symmetrically provided with two positioning grooves, and the two positioning grooves and the two positioning bosses are one-to-one corresponding and slidably connected.
[0007] Optionally, the outer wall of the base is symmetrically provided with two positioning columns, and the inner wall of the hollow hole is symmetrically provided with two positioning clamping grooves, and the two positioning columns and the two positioning clamping grooves are one-to-one corresponding and clamped.
[0008] Optionally, the base has two positioning plates arranged radially inside it, forming a receiving groove between the two positioning plates, and the adjusting block is located in the receiving groove and is slidably connected to the receiving groove.
[0009] Optionally, a first grouting channel is provided between the receiving groove and the inner wall of the base.
[0010] Optionally, a second grouting channel is provided between the adjusting platform and the inner wall of the grouting sleeve, and the second grouting channel is connected to the first grouting channel and the receiving groove respectively.
[0011] Optionally, the inner wall of the grouting sleeve is spirally provided with an exhaust groove along its length.
[0012] Optionally, each of the hollow holes has an anti-shear sliding keyway spirally arranged on its inner wall along its length.
[0013] Optionally, the sidewall of the precast shear wall is provided with an adjustment hole corresponding to each of the adjustment bolts.
[0014] Optionally, the cross-section of the hollow hole is polygonal, and a third grouting channel is formed between the hollow hole and the grouting sleeve.
[0015] Compared with the prior art, the beneficial effect of the above solution is that the present invention connects the grouting sleeve and the base, sets an adjustment platform at the bottom of the grouting sleeve, sets an adjustment block in the base, and drives the adjustment block to slide through the adjustment bolt. The height adjustment of the grouting sleeve is realized through the sliding connection of the first inclined surface and the second inclined surface. This solves the problems of traditional steel shim adjustment being labor-intensive and time-consuming, having large deviations, and the difficulty in rotating and positioning the sleeve with threaded connection, thus greatly improving construction efficiency. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the adjustable sleeve assembly structure of this utility model;
[0018] Figure 3 This is an exploded structural diagram of the adjustable sleeve assembly of this utility model;
[0019] Figure 4 This is a schematic diagram of the bottom structure of the precast shear wall of this utility model;
[0020] Figure 5 This is a schematic diagram of the internal structure of the base of this utility model;
[0021] Figure 6 This is a schematic diagram of the bottom structure of the grouting sleeve of this utility model;
[0022] Figure 7 The overall structure of the utility model is shown in the top view;
[0023] Mark 1, prefabricated shear wall; 2, hollow hole; 3, adjustable sleeve assembly; 4, base; 5, grouting sleeve; 6, adjusting block; 7, adjusting bolt; 8, adjusting platform; 9, stirrup; 10, steel bar; 81, first inclined surface; 61, second inclined surface; 41, positioning boss; 51, positioning groove; 21, positioning slot; 42, positioning column; 43, positioning plate; 44, containing groove; 45, first grouting flow channel; 82, second grouting flow channel; 52, exhaust groove; 22, shear slip key groove; 11, adjusting hole; 23, third grouting flow channel. DETAILED DESCRIPTION
[0024] In order to facilitate the understanding of the present application, the present application will be described in more detail below in conjunction with the drawings and specific embodiments; the preferred embodiments of the present application are shown in the drawings; however, the present application can be implemented in many different forms, and is not limited to the embodiments described in the specification; on the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive.
[0025] It should be noted that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements; for those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances; in the embodiments shown in the drawings, the directions such as up, down, left, right, front and back are used to explain the structure and movement of various elements, which are not absolute but relative. When these elements are in the position shown in the drawings, these descriptions are appropriate. If the position of these elements changes, the directions of these indications also change accordingly.
[0026] At the same time, it should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence; it should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.
[0027] Unless otherwise defined, all technical and scientific terms used in the specification are the same as those commonly understood by those skilled in the art of the technology to which the present application belongs, and the terms used in the specification of the present application are only for the purpose of describing the specific embodiments and are not used to limit the present application.
[0028] As Figures 1-3 shown, one embodiment of the utility model is this core filling assembly type concrete shear wall component, including prefabricated shear wall body 1, the hollow hole 2 that is set through along its height direction in shear wall body, every hollow hole 2 all is provided with adjustable sleeve assembly 3, adjustable sleeve assembly 3 includes base 4, grouting sleeve 5, adjusting block 6 and adjusting bolt 7, grouting sleeve 5 bottom is into base 4, and grouting sleeve 5 bottom end is provided with adjusting platform 8, adjusting platform 8 can be integrally formed with grouting sleeve 5, also can be welded separately, adjusting platform 8 bottom end is provided with first inclined plane 81, adjusting block 6 sets up in base 4, and can slide along the radial direction of base 4, adjusting block 6 top surface is provided with second inclined plane 61, first inclined plane 81 and second inclined plane 61 sliding connection, adjusting bolt 7 is rotationally arranged in base 4 along the radial direction of base 4, and is threadedly connected with adjusting block 6, the end of adjusting bolt 7 extends base 4, can be rotated by external tool.
[0029] When using, base 4 is loaded into hollow hole 2 bottom end, grouting sleeve 5 is loaded from hollow hole 2 top end, makes grouting sleeve 5 bottom end into base 4, when prefabricated shear wall body 1 is in vertical state, rotating adjusting bolt 7, adjusting block 6 slides along the radial direction of base 4, through the relative sliding of first inclined plane 81 and second inclined plane 61, the horizontal displacement of adjusting block 6 is converted into the vertical displacement of grouting sleeve 5, when adjusting block 6 slides to one side, inclined plane jacks grouting sleeve 5 to rise, when sliding to the other side, grouting sleeve 5 drops under self-weight, realize the elevation adjustment of grouting sleeve 5, and the contact area of inclined plane is larger than that of threaded connection, the force transmission is more uniform, the bearing stability is stronger, the precision is higher, need not rotate grouting sleeve 5, avoid the interference of sleeve and prefabricated wall body, improve the adjustment efficiency.
[0030] The application is connected by grouting sleeve 5 and base 4, adjusting platform 8 is arranged at the bottom of grouting sleeve 5, adjusting block 6 is arranged in base 4, adjusting block 6 is slid by adjusting bolt 7, the height adjustment of grouting sleeve 5 is realized by the sliding connection of first inclined plane 81 and second inclined plane 61, the problems of traditional steel gasket adjustment time-consuming and laborious, large deviation and difficult rotation and positioning of threaded connection sleeve are solved, and the construction efficiency is greatly improved.
[0031] In one embodiment, as Figure 3As shown, the inner wall of the base 4 is symmetrically provided with two elongated positioning protrusions 41 that extend vertically, and the outer wall of the grouting sleeve 5 is symmetrically provided with two positioning grooves 51. The two positioning grooves 51 correspond one-to-one with the two positioning protrusions 41 and are slidably connected. In use, the positioning protrusions 41 are embedded in the positioning grooves 51 and form a sliding fit. During the adjustment process, the relative circumferential rotation of the grouting sleeve 5 and the base 4 is constrained, so that the grouting sleeve 5 only moves up and down vertically, making the grouting sleeve 5 move up and down more smoothly and avoiding jamming.
[0032] In one embodiment, such as Figure 4 , Figure 5 As shown, two cylindrical positioning posts 42 are symmetrically arranged on the outer wall of the base 4 along its radial direction, and two positioning slots 21 are symmetrically arranged on the inner wall of the bottom end of the hollow hole 2. The two positioning posts 42 correspond one-to-one with the two positioning slots 21 and are engaged. The base 4 and the hollow hole 2 of the precast shear wall 1 are circumferentially locked, preventing the base 4 from rotating synchronously with the bolt when the adjusting bolt 7 rotates. The engaging structure is easy to install, requires no additional fasteners, and improves construction efficiency.
[0033] In one embodiment, such as Figure 5 As shown, two parallel positioning plates 43 are arranged radially inside the base 4. The distance between the two positioning plates 43 matches the width of the adjusting block 6, forming a receiving groove 44. The adjusting block 6 is located in the receiving groove 44 and can slide along the radial direction of the base 4. The receiving groove 44 provides a sliding guide for the adjusting block 6. By rotating the adjusting bolt 7, the adjusting block 6 can slide in the receiving groove 44 along the radial direction of the base 4. At the same time, the two positioning plates 43 can serve as reinforcing ribs of the base 4, improving the overall strength of the base 4.
[0034] In one embodiment, such as Figure 5 As shown, a first grouting channel 45 is provided between the receiving groove 44 and the inner wall of the base 4. The first grouting channel 45 is connected to the grouting sleeve 5. It can be understood that the two positioning plates 43 form two first grouting channels 45 between themselves and the base 4. The grouting material can enter the first grouting channel 45 through the grouting sleeve 5 and fill the base 4, so that the sleeve and the base 4 form a whole.
[0035] In one embodiment, such as Figure 5 , Figure 6 As shown, a second grouting channel 82 is provided between the adjusting platform 8 and the inner wall of the grouting sleeve 5. The bottom end of the second grouting channel 82 is connected to the first grouting channel 45 and the receiving groove 44 respectively, and its top end is connected to the inside of the grouting sleeve 5, so that the grouting material enters the first grouting channel 45 and the receiving groove 44 from the grouting sleeve 5 along the second grouting channel 82, so that the base 4, the grouting sleeve 5, the adjusting block 6 and the adjusting bolt 7 are solidified into a whole, and the adjusted elevation position is completely locked.
[0036] In one embodiment, such asFigure 2 As shown, the inner wall of the grouting sleeve 5 is helically provided with an exhaust groove 52 along the length direction thereof, the exhaust groove 52 extends from the top end to the bottom end of the grouting sleeve 5, during grouting, the air in the sleeve is discharged to the top end along the helical exhaust groove 52, avoiding the air bag problem of the traditional straight wall sleeve during grouting, at the same time, the spiral exhaust groove 52 increases the engagement area of the grouting material and the inner wall of the sleeve, and improves the bonding strength.
[0037] In one embodiment, as shown in Figure 1 , Figure 4 The inner wall of each hollow hole 2 is helically provided with a shear slip key groove 22 along the length direction thereof, respectively, after the core concrete is filled, the concrete in the key groove forms a mechanical engagement with the prefabricated wall body, resisting the relative slip of the prefabricated wall body and the core layer under horizontal load, the spiral design disperses the shear transmission path, avoiding cracking caused by local stress concentration.
[0038] In one embodiment, as shown in Figure 1 , Figure 4 The side wall of the prefabricated shear wall body 1 is provided with an adjusting hole 11 corresponding to each adjusting bolt 7, respectively, the hole position is aligned with the end of the adjusting bolt 7, a wrench or other tools can be inserted into the adjusting hole 11 to rotate the bolt, the adjusting hole 11 is in communication with the hollow hole 2, and is plugged by grouting material after the adjustment is completed, the adjusting hole 11 provides an external operation channel for the adjusting bolt 7, without the need to disassemble or pry the prefabricated wall body to complete the elevation adjustment.
[0039] In one embodiment, as shown in Figure 7 The cross section of the hollow hole 2 is a polygon, in this embodiment, a regular hexagon, a third grouting flow channel 23 is formed between the hollow hole 2 and the grouting sleeve 5, during grouting, the grouting material flows to the peripheral side of the base 4 through the third grouting flow channel 23, solidifying the outside of the base 4, at the same time, the polygonal hollow hole 2 increases the contact area of the core concrete and the prefabricated shear wall body 1, the shear force and axial force are transmitted through the concrete in the third grouting flow channel 23, and it is beneficial to exhaust during grouting.
[0040] In one embodiment, as shown in Figure 7 The prefabricated shear wall body 1 is provided with a plurality of horizontally distributed stirrups 9 and vertically distributed steel bars 10 inside, the stirrups 9 and the vertical steel bars 10 are bound to form a whole, enhancing the bending and shear strength of the prefabricated wall body itself, resisting external load as the skeleton of the wall body.
[0041] It should be noted that the above technical features continue to combine to form various embodiments not listed above, which are considered to be within the scope of the description of the present application; and for those skilled in the art, the above description can be improved or changed, and all these improvements and changes shall belong to the protection scope of the appended claims of the present application.
Claims
1. A core-filled precast concrete shear wall component, comprising a precast shear wall body, wherein a plurality of hollow holes are provided through the shear wall body along its height direction, and each hollow hole is provided with an adjustable sleeve assembly, characterized in that, The adjustable sleeve assembly comprises a base, a grouting sleeve, an adjusting block and an adjusting bolt, the bottom of the grouting sleeve is sleeved with the base, the bottom end of the grouting sleeve is provided with an adjusting platform, the bottom end of the adjusting platform is provided with a first inclined surface, the adjusting block is arranged in the base and can slide in the radial direction of the base, the top surface of the adjusting block is provided with a second inclined surface, the first inclined surface and the second inclined surface are in sliding connection, and the adjusting bolt is arranged in the base in the radial direction of the base and is in threaded connection with the adjusting block.
2. The cast-in-place concrete shear wall component of claim 1, wherein, The inner wall of the base is symmetrically provided with two positioning bosses, the outer wall of the grouting sleeve is symmetrically provided with two positioning grooves, and the two positioning grooves correspond to the two positioning bosses in a one-to-one manner and are in sliding connection.
3. The cast-in-place concrete shear wall component of claim 1, wherein, The outer wall of the base is symmetrically provided with two positioning columns, and the inner wall of the hollow hole is symmetrically provided with two positioning clamping grooves, the two positioning columns correspond to the two positioning clamping grooves in a one-to-one manner and are clamped.
4. The cast-in-place concrete shear wall segment of claim 1, wherein, The base is internally provided with two positioning plates in the radial direction thereof, a containing groove is formed between the two positioning plates, the adjusting block is located in the containing groove and is in sliding connection with the containing groove.
5. The cast-in-place concrete shear wall segment of claim 4, wherein, A first grouting flow channel is arranged between the containing groove and the inner wall of the base.
6. The cast-in-place concrete shear wall segment of claim 5, wherein, A second grouting flow channel is arranged between the adjusting platform and the inner wall of the grouting sleeve, and the second grouting flow channel is in communication with the first grouting flow channel and the containing groove, respectively.
7. The cast-in-place concrete shear wall component of Claim 1, wherein, An exhaust groove is spirally arranged on the inner wall of the grouting sleeve in the length direction thereof.
8. The cast-in-place concrete shear wall component of Claim 1, wherein, A shear slip resisting key groove is spirally arranged on the inner wall of each hollow hole in the length direction thereof.
9. The cast-in-place concrete shear wall component of Claim 1, wherein, An adjusting hole is formed in the side wall of the prefabricated shear wall body corresponding to each adjusting bolt.
10. The cast-in-place concrete shear wall component of Claim 1, wherein, The cross section of the hollow hole is polygonal, and a third grouting flow channel is formed between the hollow hole and the grouting sleeve.