Steel casing positioning device

Abstract

The utility model relates to the technical field of pile foundation construction, and discloses a steel casing positioning device which comprises a circular plate, a supporting plate, an air cylinder, a moving plate, a spring, a first support, a first supporting roller, a second support and a second supporting roller. In the using process, after the steel casing penetrates through the circular holes of the circular plate from top to bottom, the multiple air cylinders are controlled to work, and then the multiple movable plates can be driven to move. And finally, the multiple first supporting rollers and the multiple second supporting rollers can be driven to move towards the center line of the circular plate till the multiple first supporting rollers and the multiple second supporting rollers abut against the steel casing. Therefore, the steel casing is positioned, and the position accuracy of the embedded steel casing is ensured. In the whole process, manual adjustment is not needed, and the device can be suitable for steel casings with different diameter sizes. The operation is simple, and the construction efficiency is improved. Before the second supporting rollers abut against the steel casing, the first supporting rollers abut against the steel casing firstly, so that the springs are compressed, and the buffering effect is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of pile foundation construction, for example, to a steel casing positioning device. Background Art

[0002] At present, during the construction of bridges, steel casings are buried, and a positioning device is used to ensure the accurate position of the buried steel casings. A steel casing positioning device is disclosed in the related art (publication number: CN219586730U), including a support frame and a positioning assembly. The support frame is formed with an escape space for the steel casing to pass through. The positioning assembly includes a plurality of positioning units, and the plurality of positioning units are arranged on the support frame, and the plurality of positioning units are arranged at intervals along the circumference of the steel casing. Each positioning unit includes an outer box fixedly arranged on the support frame, an inner box movably arranged in the outer box, a positioning wheel connected to the inner box, and a screw for adjusting the position of the inner box. The outer wall of the inner box is guided and matched with the inner wall of the outer box, the positioning wheel is connected to the side of the inner box close to the steel casing, and the positioning wheel is used to position and match with the steel casing, and a screw hole is provided on the side of the outer box away from the steel casing, and the screw is passed through the screw hole and used to abut against the inner box.

[0003] In the process of implementing the above embodiments, it is found that there are at least the following problems in the related art:

[0004] When the above-mentioned steel casing positioning device is in use, the steel casing can be first passed through the avoidance space of the support frame from top to bottom. After that, the multiple positioning units are adjusted so that the position of the buried steel casing is accurate under the action of the positioning wheels of the multiple positioning units. Finally, the steel casing can be inserted into place using the inserter. However, when adjusting the multiple positioning units, the screw of each positioning unit needs to be screwed separately to adjust the position of the multiple positioning wheels. And when burying steel casings of different diameters, the positions of the multiple positioning wheels need to be adjusted again. Therefore, the operation is more troublesome, which affects the construction efficiency.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0007] The disclosed embodiment provides a steel casing positioning device to improve construction efficiency.

[0008] In some embodiments, a steel casing positioning device comprises: a circular plate, the circular plate comprising a circular hole at the center thereof, the circular hole being used for passing the steel casing; a support plate connected to the circular plate and evenly distributed around the circular hole; a cylinder, respectively installed on each of the support plates along the radial direction of the circular plate, the moving end of each of the cylinders facing the center of the circular plate; a moving plate, respectively installed on the moving end of each of the cylinders, the plane where each of the moving plates is located is perpendicular to the plane where the circular plate is located; a spring, one end of the spring is respectively connected to each of the moving plates; a first support, respectively connected to the other end of each of the springs; a first support roller, respectively rotatably installed on each of the first supports; a second support, respectively installed on each of the moving plates; a second support roller, respectively rotatably installed on each of the second supports; wherein, when the moving ends of the plurality of cylinders are in an extended state, the plurality of the first support rollers and the plurality of the second support rollers are all against the steel casing, and the plurality of the springs are all in a compressed state.

[0009] Optionally, it also includes: a first guide shaft, which is slidably disposed on each of the support plates, and one end of each of the first guide shafts is connected to the adjacent movable plate; wherein the axial direction of each of the first guide shafts is the same as the movement direction of the movable end of the adjacent cylinder.

[0010] Optionally, it further includes: a first limiting plate, which is respectively connected to the other end of each of the first guide shafts and is used for limiting.

[0011] Optionally, it also includes: a first linear bearing, which is slidably mounted on each of the first guide shafts and is respectively installed on adjacent support plates.

[0012] Optionally, it also includes: a second guide shaft, which is slidably arranged on each of the movable plates, one end of each of the second guide shafts is connected to the adjacent first support, and each of the springs is mounted on the adjacent second guide shaft; wherein the axial direction of each of the second guide shafts is the same as the movement direction of the movable end of the adjacent cylinder.

[0013] Optionally, it also includes: a second limiting plate, which is respectively connected to the other end of each of the second guide shafts and is used for limiting.

[0014] Optionally, it also includes: a second linear bearing, which is slidably mounted on each of the second guide shafts and is respectively installed on adjacent movable plates.

[0015] Optionally, each of the support plates includes: a through hole, and the through hole is used to pass the adjacent second guide shaft and the second linear bearing.

[0016] Optionally, it also includes: a reinforcing plate, which is respectively fixed to the bending position of each of the support plates.

[0017] The steel casing positioning device provided in the embodiment of the present disclosure can achieve the following technical effects:

[0018] A steel casing positioning device provided by an embodiment of the present disclosure includes a circular plate, a support plate, a cylinder, a movable plate, a spring, a first support, a first support roller, a second support and a second support roller. The circular plate includes a circular hole located at the center thereof, and the circular hole is used to pass the steel casing and serves as an escape space for the steel casing to pass through. The support plates are connected to the circular plate and are evenly distributed around the circular hole, and are respectively used to support and install the cylinders. The cylinders are respectively installed on each support plate along the radial direction of the circular plate, and are used to provide driving force. The movable plates are respectively installed on the movable end of each cylinder, and move toward the center line of the circular plate under the drive of multiple cylinders. One end of the spring is respectively connected to each movable plate, and is used to play a buffering role. The first support is respectively connected to the other end of each spring, and is respectively used to support and install a rotatable first support roller. The first support roller is rotatably installed on each first support, and is used to abut against the steel casing. The second support is respectively installed on each movable plate, and is respectively used to support and install a rotatable second support roller. The second support rollers are rotatably mounted on each second support and are used to abut against the steel casing. When the moving ends of the cylinders are in an extended state, the first support rollers and the second support rollers abut against the steel casing, and the springs are in a compressed state.

[0019] During use, after the steel casing passes through the circular hole of the circular plate from top to bottom, the multiple cylinders are controlled to work, which can drive the multiple moving plates to move. Finally, the multiple first support rollers and the multiple second support rollers can be driven to move toward the center line of the circular plate until the multiple first support rollers and the multiple second support rollers are against the steel casing. In this way, the steel casing is positioned to ensure the accurate position of the buried steel casing. During the whole process, there is no need for manual adjustment, and it can be applied to steel casings of different diameters. It has the advantages of simple operation and improves construction efficiency. At the same time, before the multiple second support rollers are against the steel casing, the multiple first support rollers will first be against the steel casing, so that the multiple springs are compressed. It can play a buffering role, thereby reducing the instantaneous impact force on the steel casing and reducing the instantaneous reaction force on the moving ends of the multiple cylinders.

[0020] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0022] Figure 1 It is a schematic diagram of the main structure of a steel casing positioning device provided by an embodiment of the present disclosure;

[0023] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure at AA in the middle;

[0024] Figure 3 is a schematic diagram of a top view of a steel casing positioning device provided in an embodiment of the present disclosure;

[0025] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure at point B in the middle.

[0026] Reference numerals:

[0027] 1: circular plate; 2: supporting plate; 3: cylinder; 4: moving plate; 5: spring; 6: first support; 7: first supporting roller; 8: second support; 9: second supporting roller; 10: first guide shaft; 11: first limiting plate; 12: first linear bearing; 13: second guide shaft; 14: second limiting plate; 15: second linear bearing; 16: reinforcing plate. DETAILED DESCRIPTION

[0028] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0029] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0030] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0031] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0032] Unless otherwise stated, the term "plurality" means two or more.

[0033] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0034] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0036] Combination Figures 1 to 4As shown, the embodiment of the present disclosure provides a steel casing positioning device, including a circular plate 1, a support plate 2, a cylinder 3, a movable plate 4, a spring 5, a first support 6, a first support roller 7, a second support 8 and a second support roller 9. The circular plate 1 includes a circular hole located at the center thereof, and the circular hole is used to pass the steel casing. The support plate 2 is connected to the circular plate 1 and is evenly distributed around the circular hole. The cylinder 3 is respectively installed on each support plate 2 along the radial direction of the circular plate 1, and the moving end of each cylinder 3 faces the center of the circular plate 1. The movable plate 4 is respectively installed on the moving end of each cylinder 3, and the plane where each movable plate 4 is located is perpendicular to the plane where the circular plate 1 is located. One end of the spring 5 is respectively connected to each movable plate 4. The first support 6 is respectively connected to the other end of each spring 5. The first support roller 7 is respectively rotatably installed on each first support 6. The second support 8 is respectively installed on each movable plate 4. The second support roller 9 is respectively rotatably installed on each second support 8. When the moving ends of the multiple cylinders 3 are in an extended state, the multiple first support rollers 7 and the multiple second support rollers 9 are all against the steel casing, and the multiple springs 5 ​​are all in a compressed state.

[0037] A steel casing positioning device provided by an embodiment of the present disclosure includes a circular plate 1, a support plate 2, a cylinder 3, a movable plate 4, a spring 5, a first support 6, a first support roller 7, a second support 8 and a second support roller 9. The circular plate 1 includes a circular hole located at the center thereof, and the circular hole is used to pass the steel casing as an escape space for the steel casing to pass through. The support plate 2 is connected to the circular plate 1 and is evenly distributed around the circular hole, and is respectively used to support and install the cylinder 3. The cylinder 3 is respectively installed on each support plate 2 along the radial direction of the circular plate 1, and is used to provide a driving force. The movable plate 4 is respectively installed on the movable end of each cylinder 3, and moves toward the center line of the circular plate 1 under the drive of multiple cylinders 3. One end of the spring 5 is respectively connected to each movable plate 4, and is used to play a buffering role. The first support 6 is respectively connected to the other end of each spring 5, and is respectively used to support and install a rotatable first support roller 7. The first support roller 7 is rotatably installed on each first support 6, and is used to resist the steel casing. The second support 8 is respectively installed on each movable plate 4, and is respectively used to support and install the rotatable second support roller 9. The second support roller 9 is respectively rotatably installed on each second support 8, and is used to abut against the steel casing. When the moving ends of the multiple cylinders 3 are in the extended state, the multiple first support rollers 7 and the multiple second support rollers 9 are abutted against the steel casing, and the multiple springs 5 ​​are in the compressed state.

[0038] During use, after the steel casing passes through the circular hole of the circular plate 1 from top to bottom, the multiple cylinders 3 are controlled to work, and the multiple movable plates 4 can be driven to move. Finally, the multiple first support rollers 7 and the multiple second support rollers 9 can be driven to move toward the center line of the circular plate 1 until the multiple first support rollers 7 and the multiple second support rollers 9 are against the steel casing. Thereby, the steel casing is positioned to ensure the accurate position of the buried steel casing. The whole process does not require manual adjustment, and it can be applied to steel casings of different diameters. It has the advantages of simple operation and improves construction efficiency. At the same time, before the multiple second support rollers 9 are against the steel casing, the multiple first support rollers 7 will first be against the steel casing, so that the multiple springs 5 ​​are compressed. It can play a buffering role, thereby reducing the instantaneous impact force on the steel casing, and at the same time reducing the instantaneous reaction force on the moving ends of the multiple cylinders 3.

[0039] Optionally, combined Figure 1 , Figure 3 and Figure 4 As shown, it also includes a first guide shaft 10. The first guide shaft 10 is slidably arranged on each support plate 2, and one end of each first guide shaft 10 is connected to the adjacent moving plate 4. The axial direction of each first guide shaft 10 is the same as the movement direction of the moving end of the adjacent cylinder 3.

[0040] In the embodiment disclosed in the present invention, there are also first guide shafts 10 which are slidably disposed through each support plate 2 and one end of which is respectively connected to the adjacent moving plates 4. The plurality of first guide shafts 10 are used to serve as guide supports to improve the stability of the plurality of moving plates 4 during movement and reduce the radial force on the moving ends of the plurality of cylinders 3.

[0041] Optionally, combined Figure 1 , Figure 3 and Figure 4 As shown, it also includes a first limiting plate 11. The first limiting plates 11 are respectively connected to the other end of each first guide shaft 10 and are used for limiting.

[0042] In the embodiment of the present disclosure, a first limiting plate 11 is further included which is connected to the other end of each first guide shaft 10. The first limiting plates 11 are used to limit the position of the first guide shafts 10 to prevent them from falling off from the support plates 2.

[0043] Optionally, combined Figure 1 , Figure 3 and Figure 4 As shown, it also includes a first linear bearing 12. The first linear bearing 12 is slidably mounted on each first guide shaft 10 and is installed on adjacent support plates 2.

[0044] In the disclosed embodiment, first linear bearings 12 are also included, which are slidably mounted on each first guide shaft 10 and respectively installed on adjacent support plates 2. The plurality of first linear bearings 12 are respectively used to reduce the friction force on the plurality of first guide shafts 10 and improve the movement accuracy of the plurality of first guide shafts 10.

[0045] Optionally, combined Figures 1 to 4 As shown, the second guide shaft 13 is also included. The second guide shaft 13 is slidably arranged on each movable plate 4, one end of each second guide shaft 13 is connected to the adjacent first support 6, and each spring 5 is sleeved on the adjacent second guide shaft 13. The axial direction of each second guide shaft 13 is the same as the movement direction of the movable end of the adjacent cylinder 3.

[0046] In the disclosed embodiment, a second guide shaft 13 is further included, which is slidably disposed through each movable plate 4 and one end of which is respectively connected to the adjacent first support 6. The plurality of first guide shafts 10 are all used to play the role of guide support, so that the plurality of springs 5 ​​can only be compressed, thereby improving the stability of the plurality of first supports 6 when moving.

[0047] Optionally, combined Figures 1 to 4 As shown, the second limiting plate 14 is also included. The second limiting plate 14 is respectively connected to the other end of each second guide shaft 13 and is used for limiting.

[0048] In the embodiment of the present disclosure, a second limiting plate 14 is further included which is connected to the other end of each second guide shaft 13. The plurality of second limiting plates 14 are used to limit the position to prevent the plurality of second guide shafts 13 from falling off the plurality of moving plates 4.

[0049] Optionally, combined Figures 1 to 4 As shown, the second linear bearing 15 is also included. The second linear bearing 15 is slidably mounted on each second guide shaft 13 and is installed on the adjacent moving plates 4.

[0050] In the disclosed embodiment, second linear bearings 15 are also included, which are slidably mounted on each second guide shaft 13 and respectively installed on adjacent movable plates 4. The plurality of second linear bearings 15 are respectively used to reduce the friction force on the plurality of second guide shafts 13 and improve the movement accuracy of the plurality of second guide shafts 13.

[0051] Optionally, combined Figures 1 to 4 As shown, each support plate 2 includes a through hole, which is used to pass the adjacent second guide shaft 13 and the second linear bearing 15 .

[0052] In the disclosed embodiment, each support plate 2 includes a through hole. The plurality of through holes are respectively used to pass adjacent second guide shafts 13 and second linear bearings 15, so as to improve the compactness between the components of the device and reduce the space occupied by the device.

[0053] Optionally, combined Figure 1 As shown, it also includes a reinforcing plate 16. The reinforcing plate 16 is fixed to the bending position of each supporting plate 2 respectively.

[0054] In the embodiment of the present disclosure, a reinforcing plate 16 is further included which is fixed to the bend of each support plate 2. The reinforcing plate 16 is used to improve the structural strength to prevent the plurality of support plates 2 from breaking or deforming under the action of external force.

[0055] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A steel casing positioning device, characterized in that: include: A circular plate, the circular plate comprising a circular hole at the center thereof, the circular hole being used for passing the steel casing; Support plates, connected to the circular plate and evenly distributed around the circular hole; A cylinder is installed on each of the support plates along the radial direction of the circular plate, and the moving end of each of the cylinders faces the center of the circular plate; A movable plate is respectively installed at the movable end of each of the cylinders, and the plane where each movable plate is located is perpendicular to the plane where the circular plate is located; a spring, one end of which is respectively connected to each of the moving plates; A first support, connected to the other end of each of the springs; A first support roller is rotatably mounted on each of the first supports; A second support is mounted on each of the movable plates; A second support roller is rotatably mounted on each of the second supports; Wherein, when the moving ends of the plurality of cylinders are in an extended state, the plurality of the first support rollers and the plurality of the second support rollers are all against the steel casing, and the plurality of the springs are all in a compressed state.

2. A steel casing positioning device according to claim 1, characterized in that: Also includes: A first guide shaft is slidably disposed through each of the support plates, and one end of each of the first guide shafts is connected to an adjacent movable plate; Wherein, the axial direction of each of the first guide shafts is the same as the movement direction of the movable end of the adjacent cylinder.

3. A steel casing positioning device according to claim 2, characterized in that: Also includes: The first limiting plates are respectively connected to the other end of each of the first guide shafts and are used for limiting.

4. A steel casing positioning device according to claim 2, characterized in that: Also includes: The first linear bearings are slidably mounted on each of the first guide shafts and are installed on adjacent support plates.

5. A steel casing positioning device according to claim 1, characterized in that: Also includes: A second guide shaft is slidably disposed on each of the movable plates, one end of each of the second guide shafts is connected to the adjacent first support, and each of the springs is sleeved on the adjacent second guide shaft; Wherein, the axial direction of each of the second guide shafts is the same as the movement direction of the movable end of the adjacent cylinder.

6. A steel casing positioning device according to claim 5, characterized in that: Also includes: The second limiting plates are respectively connected to the other end of each of the second guide shafts and are used for limiting.

7. A steel casing positioning device according to claim 5, characterized in that: Also includes: The second linear bearings are slidably mounted on each of the second guide shafts and are installed on adjacent moving plates.

8. A steel casing positioning device according to claim 7, characterized in that: Each of the support plates comprises: A through hole is used to pass the adjacent second guide shaft and the second linear bearing.

9. A steel casing positioning device according to any one of claims 1 to 8, characterized in that: Also includes: The reinforcing plates are respectively fixed at the bending positions of each of the supporting plates.

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