Cross brace supporting structure of enclosing purlin

Abstract

The utility model provides a cross brace supporting structure of an enclosing purlin, which belongs to the technical field of foundation pit supporting, and comprises a supporting main body, the supporting main body comprises a supporting plate and a connecting plate, the connecting plate and the supporting plate are connected to form an L-shaped structure, and the supporting plate is provided with an adjusting hole in a penetrating manner; the sliding structure comprises a threaded rod arranged on the inner side of the connecting plate, the threaded rod is sleeved with a hexagonal nut in threaded fit with the threaded rod, and a mounting plate is arranged on the top side of the hexagonal nut; the jacking structure comprises a cylindrical rod arranged on the top side of the mounting plate, the cylindrical rod is provided with a right-hand thread and a left-hand thread, the right-hand thread and the left-hand thread are in threaded fit with a first nut and a second nut respectively, a first connecting rod is hinged to the top side of the first nut, and a second connecting rod is hinged to the top side of the second nut; the top side of the first connecting rod and the top side of the second connecting rod are jointly hinged to the same bearing piece. The position of the cross brace can be adjusted, a lifting machine is not needed, and the device is more convenient and practical.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a horizontal bracing support structure of a surrounding purlin. Background Art

[0002] During the construction of underground sewage pipes, it is necessary to excavate a foundation pit (a foundation pit is an earth pit excavated at the foundation design location according to the base elevation and foundation plane dimensions. Before excavation, the excavation plan should be determined based on geological and hydrological data and the conditions of nearby buildings on site, and waterproofing and drainage work should be done.) At the same time, in order to ensure construction safety, foundation pit purlin cross bracing will be used to ensure the stability of the foundation pit structure.

[0003] Figures in the specification Figure 1 This is a schematic diagram of the existing foundation pit purlin cross bracing structure. During actual construction, the purlin is installed in the foundation pit, with the supporting structure on the purlin facing the inside of the foundation pit, and the cross bracing is hoisted on the above-mentioned supporting structure by a crane. In order to ensure that the cross bracing is aligned with the installation point on the purlin, it is necessary to repeatedly hoist the cross bracing by the crane, which wastes time and energy and has the technical problem of low installation efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a transverse bracing support structure for a perimeter purlin, aiming to solve the technical problems in the above-mentioned background technology.

[0005] The utility model is achieved in this way:

[0006] The technical solution of this application provides a horizontal bracing support structure for a purlin, comprising:

[0007] A supporting body, the supporting body comprising a support plate for supporting the cross brace and a connecting plate for connecting the purlin, the connecting plate and the support plate being connected to form an L-shaped structure, and the support plate being provided with an adjustment hole;

[0008] The sliding structure includes a threaded rod provided on the inner side of the connecting plate, the threaded rod being able to rotate on the connecting plate and parallel to the supporting plate, a hexagonal nut being sleeved on the threaded rod and mating with the thread thereof, one side of the hexagonal nut being in contact with the side of the connecting plate, and a mounting plate being provided on the top side of the hexagonal nut, which can drive the mounting plate to slide along the axis direction of the threaded rod when the threaded rod rotates;

[0009] The jacking structure includes a cylindrical rod arranged on the top side of the above-mentioned mounting plate, the above-mentioned cylindrical rod can rotate on the above-mentioned mounting plate, and the above-mentioned cylindrical rod is parallel to the above-mentioned support plate, and the above-mentioned cylindrical rod is provided with positive thread and negative thread, the above-mentioned positive thread and the above-mentioned negative thread are respectively threadedly matched with the first nut and the second nut, the above-mentioned first nut and the above-mentioned second nut are both slidingly matched with the above-mentioned mounting plate, the top side of the above-mentioned first nut is hinged with the first connecting rod, the top side of the above-mentioned second nut is hinged with the second connecting rod, the top side of the above-mentioned first connecting rod and the top side of the above-mentioned second connecting rod are jointly hinged with the same supporting member, and when the above-mentioned cylindrical rod rotates, it can drive the above-mentioned supporting member to pass through the above-mentioned adjustment hole.

[0010] A further technical solution is that two first rotating seats are spaced apart on the inner side of the connecting plate, and any one of the first rotating seats is rotatably matched with the threaded rod.

[0011] A further technical solution is that two second rotating seats are arranged at intervals on the above-mentioned mounting plate, and any one of the above-mentioned second rotating seats is rotationally matched with the above-mentioned cylindrical rod.

[0012] A further technical solution is that the first rotating seat and the threaded rod, and the second rotating seat and the cylindrical rod are rotatably connected via bearings.

[0013] A further technical solution is that the mounting plate is provided with a guide slot, the first nut and the second nut are both provided with a guide block, and the guide block and the guide slot are slidably matched.

[0014] A further technical solution is that a rectangular sleeve is provided at one end of the cylindrical rod and the threaded rod.

[0015] A further technical solution is that the top side of the supporting member is concave.

[0016] Compared with the prior art, the technical solution of the present invention has at least the following advantages or beneficial effects:

[0017] When the supporting body of the utility model is positioned on the purlin, the connecting plate is fitted against the side of the purlin, and the supporting plate is located above the connecting plate and is perpendicular to the side of the purlin; when the cross brace is hoisted on the supporting plate by a crane, if the cross brace is not aligned with the installation position of the purlin, first adjust the sliding structure to slide, so that the threaded rod rotates, driving the mounting plate to slide along the axial direction of the threaded rod until the supporting member is directly under the cross brace; then adjust the jacking structure to rotate the cylindrical rod, and the first nut and the second nut on the cylindrical rod approach each other. Through the jacking action of the first connecting rod and the second connecting rod, the supporting member passes through the adjusting hole and supports the cross brace to rise (a gap is formed between the cross brace and the supporting plate); then adjust the sliding structure to slide again, so that the mounting plate of the sliding structure drives the cross brace to slide above the above-mentioned installation position; finally adjust the jacking structure to make the supporting member descend until the cross brace is placed on the supporting plate. At this time, the cross brace is facing the above-mentioned installation position, and the installation and positioning of the cross brace can be carried out. During the use of the present invention, the position of the cross brace can be adjusted through the cooperation of the sliding structure and the jacking structure without the need for a crane, which is more convenient and practical and helps to improve installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the existing foundation pit purlin cross bracing structure;

[0020] Figure 2 This is a front view of a horizontal bracing support structure for a purlin provided by an embodiment of the present utility model;

[0021] Figure 3 This is a cross-sectional view of a horizontal bracing support structure of a purlin provided in an embodiment of the present utility model;

[0022] Figure 4 yes Figure 3 A partial enlarged view of middle A;

[0023] Figure 5 It is a structural diagram of the supporting body of an embodiment of the utility model.

[0024] Icon: 1-support body, 101-support plate, 102-connecting plate, 2-rectangular sleeve, 3-hexagonal nut, 4-first rotating seat, 5-threaded rod, 6-mounting plate, 7-second rotating seat, 8-cylindrical rod, 9-first nut, 10-first connecting rod, 11-second nut, 12-second connecting rod, 13-supporting member, 14-guide groove, 15-guide block, 16-adjustment hole. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Example

[0026] Reference Figure 2-Figure 5 This embodiment provides a horizontal bracing support structure for a purlin, comprising:

[0027] The support body 1 includes a support plate 101 for supporting the cross brace and a connecting plate 102 for connecting the purlin. The connecting plate 102 and the support plate 101 are connected to form an L-shaped structure. The support plate 101 is provided with an adjustment hole 16;

[0028] Sliding structure, the sliding structure includes a threaded rod 5 provided on the inner side of the connecting plate 102, the threaded rod 5 can rotate on the connecting plate 102, and the threaded rod 5 is parallel to the supporting plate 101, and the threaded rod 5 is sleeved with a hexagonal nut 3 that matches its thread, one side of the hexagonal nut 3 is in contact with the side of the connecting plate 102, and the top side of the hexagonal nut 3 is provided with a mounting plate 6, when the threaded rod 5 rotates, it can drive the mounting plate 6 to slide along the axial direction of the threaded rod 5;

[0029] The jacking structure includes a cylindrical rod 8 arranged on the top side of the above-mentioned mounting plate 6, the above-mentioned cylindrical rod 8 can rotate on the above-mentioned mounting plate 6, and the above-mentioned cylindrical rod 8 is parallel to the above-mentioned support plate 101, and the above-mentioned cylindrical rod 8 is provided with positive thread and negative thread, and the above-mentioned positive thread and the above-mentioned negative thread are respectively threadedly matched with the first nut 9 and the second nut 11, and the above-mentioned first nut 9 and the above-mentioned second nut 11 are both slidably matched with the above-mentioned mounting plate 6, the top side of the above-mentioned first nut 9 is hinged with the first connecting rod 10, and the top side of the above-mentioned second nut 11 is hinged with the second connecting rod 12, the top side of the above-mentioned first connecting rod 10 and the top side of the above-mentioned second connecting rod 12 are jointly hinged with the same supporting member 13, and when the above-mentioned cylindrical rod 8 rotates, it can drive the above-mentioned supporting member 13 to pass through the above-mentioned adjustment hole 16.

[0030] When the supporting body 1 of the present invention is positioned on the purlin, the connecting plate 102 is fitted on the side of the purlin, and the supporting plate 101 is located above the connecting plate 102 and is perpendicular to the side of the purlin; when the cross brace is hoisted on the supporting plate 101 by a crane, if the cross brace is not aligned with the installation position of the purlin, first adjust the sliding structure to slide, so that the threaded rod 5 rotates, and drives the mounting plate 6 to slide along the axial direction of the threaded rod 5 until the supporting member 13 is located directly below the cross brace; then adjust the lifting structure to rotate the cylindrical rod 8, and the first The first nut 9 and the second nut 11 are brought close to each other, and through the lifting action of the first connecting rod 10 and the second connecting rod 12, the supporting member 13 passes through the adjustment hole 16 and supports the cross brace to rise (a gap is formed between the cross brace and the support plate 101); then the sliding structure is adjusted again to slide, so that the mounting plate 6 of the sliding structure drives the cross brace to slide above the above-mentioned installation position; finally, the lifting structure is adjusted to lower the supporting member 13 until the cross brace is placed on the support plate 101. At this time, the cross brace is facing the above-mentioned installation position, and the installation and positioning of the cross brace can be carried out. During the use of the utility model, the position of the cross brace can be adjusted through the cooperation of the sliding structure and the lifting structure, without the need for a crane, which is more convenient and practical, and helps to improve installation efficiency.

[0031] In some embodiments of the present invention, two first rotating seats 4 are spaced apart on the inner side of the connecting plate 102 , and any one of the first rotating seats 4 is rotatably matched with the threaded rod 5 .

[0032] In the above embodiment, the two first rotating seats 4 realize common support of the threaded rod 5 , which can improve the stability of the threaded rod 5 rotating on the connecting plate 102 .

[0033] In some embodiments of the present invention, the mounting plate 6 is provided with two second rotating seats 7 at intervals, and any one of the second rotating seats 7 is rotatably engaged with the cylindrical rod 8 .

[0034] In the above embodiment, the two second rotating seats 7 realize the common support of the cylindrical rod 8, which can improve the rotation stability of the cylindrical rod 8. The cylindrical rod 8 is located above the threaded rod 5, and the cylindrical rod 8 and the threaded rod 5 are arranged in parallel.

[0035] In some embodiments of the present invention, the first rotating seat 4 and the threaded rod 5 , and the second rotating seat 7 and the cylindrical rod 8 are rotatably connected via bearings.

[0036] In the above embodiment, the design of the bearing can reduce the friction between the first rotating seat 4 and the above-mentioned threaded rod 5, and between the second rotating seat 7 and the above-mentioned cylindrical rod 8, making the threaded rod 5 and the cylindrical rod 8 easier to rotate and convenient for adjustment.

[0037] In some embodiments of the present invention, the mounting plate 6 is provided with a guide slot 14 , the first nut 9 and the second nut 11 are both provided with a guide block 15 , and the guide block 15 and the guide slot 14 are slidably fitted.

[0038] In the above embodiment, the guide groove 14 is arranged along the axial direction of the threaded rod 5 or the cylindrical rod 8. When the cylindrical rod 8 rotates, the first nut 9 and the second nut 11 can only slide in a directional manner on the cylindrical rod 8 and cannot rotate, thereby realizing jacking adjustment through the first connecting rod 10 and the second connecting rod 12.

[0039] In some embodiments of the present invention, a rectangular sleeve 2 is provided at one end of the cylindrical rod 8 and the threaded rod 5 .

[0040] In the above embodiment, a crowbar is inserted into the rectangular sleeve 2. One end of the crowbar is rectangular and can be plugged into the rectangular sleeve 2. The crowbar makes it easier to adjust the rotation of the cylindrical rod 8 and the threaded rod 5.

[0041] In some embodiments of the present invention, the top side of the supporting member 13 is concave.

[0042] In the above embodiment, the top side of the supporting member 13 is concave. When the cross brace is placed on the concave surface, the stability of the cross brace can be improved.

[0043] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A horizontal bracing support structure for a purlin, characterized in that: include: A supporting body (1), the supporting body (1) comprising a supporting plate (101) for supporting a transverse brace, and a connecting plate (102) for connecting the purlin, the connecting plate (102) and the supporting plate (101) being connected to form an L-shaped structure, and an adjustment hole (16) being provided through the supporting plate (101); A sliding structure, wherein the sliding structure includes a threaded rod (5) arranged on the inner side of the connecting plate (102), the threaded rod (5) can rotate on the connecting plate (102), and the threaded rod (5) is parallel to the supporting plate (101), and a hexagonal nut (3) is sleeved on the threaded rod (5) and matched with its thread, one side of the hexagonal nut (3) is connected to the side of the connecting plate (102), and a mounting plate (6) is provided on the top side of the hexagonal nut (3), and when the threaded rod (5) rotates, it can drive the mounting plate (6) to slide along the axial direction of the threaded rod (5); A lifting structure, the lifting structure includes a cylindrical rod (8) arranged on the top side of the mounting plate (6), the cylindrical rod (8) can rotate on the mounting plate (6), and the cylindrical rod (8) is parallel to the support plate (101), the cylindrical rod (8) is provided with a positive thread and a negative thread, the positive thread and the negative thread are respectively threadedly matched with a first nut (9) and a second nut (11), the first nut (9) and the second nut (11) are both slidably matched with the mounting plate (6), the top side of the first nut (9) is hinged with a first connecting rod (10), the top side of the second nut (11) is hinged with a second connecting rod (12), the top sides of the first connecting rod (10) and the second connecting rod (12) are jointly hinged with the same supporting member (13), and when the cylindrical rod (8) rotates, it can drive the supporting member (13) to pass through the adjustment hole (16).

2. A lateral bracing support structure for a purlin according to claim 1, characterized in that: Two first rotating seats (4) are arranged at intervals on the inner side of the connecting plate (102), and any one of the first rotating seats (4) is rotatably matched with the threaded rod (5).

3. A lateral bracing support structure for a purlin according to claim 2, characterized in that: The mounting plate (6) is provided with two second rotating seats (7) at intervals, and any one of the second rotating seats (7) is rotatably matched with the cylindrical rod (8).

4. A lateral bracing support structure for a purlin according to claim 3, characterized in that: The first rotating seat (4) and the threaded rod (5), as well as the second rotating seat (7) and the cylindrical rod (8) are rotatably connected via bearings.

5. The horizontal bracing support structure of a purlin according to claim 1, characterized in that: The mounting plate (6) is provided with a guide slot (14), the first nut (9) and the second nut (11) are both provided with a guide block (15), and the guide block (15) and the guide slot (14) are slidably matched.

6. The horizontal bracing support structure of a purlin according to claim 1, characterized in that: One end of each of the cylindrical rod (8) and the threaded rod (5) is provided with a rectangular sleeve (2).

7. The horizontal bracing support structure of a purlin according to claim 1, characterized in that: The top side of the supporting member (13) is concave.

Images