Foundation pit support device of house construction steel structure

Abstract

The utility model relates to the technical field of foundation pit support, in particular to a foundation pit support device of a house construction steel structure, which comprises two bases matched with each other, supporting rods are fixedly arranged on the bases, a plurality of mounting seats are respectively arranged on each supporting rod along the supporting rod, a connecting seat is rotatably arranged on the supporting rod above each mounting seat, and the connecting seats are fixedly arranged on the bases. A connecting groove is formed in the end face of the connecting base, detachable positioning bases are arranged in the connecting groove, transverse protection rods are fixedly arranged at the opposite ends of the two positioning bases at the same height respectively, and a plurality of mounting bases are fixedly arranged on the transverse protection rods in the axis direction of the transverse protection rods at equal intervals respectively. And a detachable longitudinal protection rod is arranged on the mounting seats in the same vertical direction. In the using process, the enclosure part can be conveniently and rapidly assembled, the enclosure part can be adjusted and installed in the horizontal direction or the longitudinal direction according to needs, and therefore the using efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit enclosure, in particular to a foundation pit enclosure device for a steel structure of a house construction. Background Art

[0002] Before building a house, it is necessary to excavate the foundation pit. The foundation pit is a soil pit excavated at the foundation design location according to the base elevation and foundation plane dimensions. After the foundation pit is excavated, the surrounding device will be used to effectively prevent the workers around the foundation pit from falling into the foundation pit.

[0003] The traditional foundation pit retaining device cannot be assembled or disassembled conveniently and quickly during use, which reduces the installation or transportation efficiency of the device; and in the process of assembling the retaining parts, the retaining parts cannot be adjusted and switched in the horizontal or longitudinal direction as needed, which reduces the scope of use of the device. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the enclosure cannot be installed or disassembled conveniently and quickly, and the enclosure cannot be adjusted and switched for installation in the horizontal or longitudinal direction according to installation requirements, resulting in reduced efficiency.

[0005] In order to solve the above problems, the technical solution of the utility model is: a foundation pit enclosure device for a steel structure of a house construction, comprising two mutually matched bases, a support rod is fixedly provided on the base, a plurality of mounting seats are fixedly provided on each of the support rods at equal distances along the axis direction thereof, a connecting seat is rotatably provided on the support rod above each of the mounting seats, a connecting groove is provided on the end surface of the connecting seat and a detachable positioning seat is provided in the connecting groove;

[0006] A transverse protection bar is fixedly provided at the opposite ends of the two positioning seats at the same height, a plurality of mounting seats 2 are fixedly provided at equal intervals along the axial direction of the plurality of transverse protection bars, and a detachable longitudinal protection bar is commonly provided on the plurality of mounting seats 2 in the same vertical direction.

[0007] Furthermore, a cavity is provided in the positioning seat and a wedge-shaped block that can move up and down is provided in the cavity, and mounting cavities are symmetrically provided in the positioning seat corresponding to the left and right ends of the wedge-shaped block, and a movable pin that can slide left and right is provided in the mounting cavity;

[0008] A pressure plate is fixedly provided on the movable pin near the bottom wall of the installation cavity, and a return spring is wound between the pressure plate and the bottom wall of the installation cavity. A pin hole matching the movable pin is opened on the connecting seat corresponding to the movable pin.

[0009] Furthermore, an adjusting screw is threadedly inserted into the top surface of the positioning seat at the central position of the wedge block, and a notch capable of inserting the adjusting screw is also provided on the connecting seat.

[0010] Furthermore, a cavity is provided in the connection seat near the support rod and a positioning pin which can move up and down is passed through the cavity, and positioning holes matching with the positioning pin are provided at positions spaced 90 degrees apart in the circumferential direction of the mounting seat corresponding to the positioning pin.

[0011] Furthermore, a second pressing plate is fixedly provided on the positioning pin close to the bottom wall of the cavity, and a second return spring is wound between the second pressing plate and the top wall of the cavity.

[0012] Furthermore, each of the second mounting seats is provided with an arc-shaped groove for placing the longitudinal protection rod, and a matching seat for positioning the longitudinal protection rod is also detachably provided on the second mounting seat.

[0013] Furthermore, the bottom of each longitudinal protective rod is respectively configured as a conical structure.

[0014] The advantages of the utility model compared with the existing technology are:

[0015] 1. Through the cooperation of the positioning seat and the connecting seat, and under the cooperation of the adjusting screw, the wedge block, the moving pin, the pressure plate, the return spring and the pin hole, the positioning seat can be inserted into the connecting seat first, and then the adjusting screw is rotated to drive the wedge block to move downward, and at the same time drive the moving pins at both ends to move back to each other, so that they cooperate with the pin holes, so that the positioning seat and the connecting seat are fixedly connected, and at the same time, the bottom wall of the nut on the adjusting screw is tightly abutted against the top surface of the connecting seat, which can ensure the stability of the two after connection;

[0016] 2. The rotatable connecting seat is set up and with the cooperation of the positioning pin and the positioning hole, the direction of the connecting seat can be adaptively adjusted in the horizontal or longitudinal direction according to the installation requirements of the enclosure. After the adjustment is completed, it is positioned by the cooperation of the positioning pin and the positioning hole, thereby improving the scope of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front structural diagram of the utility model.

[0018] Figure 2 It is a top view structural diagram of the utility model.

[0019] Figure 3 It is a structural diagram of the positioning seat and the connecting seat in the utility model.

[0020] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle.

[0021] Figure 5 It is an internal structure diagram of the positioning pin connection in the utility model.

[0022] As shown in the figure: 1. Base; 2. Support rod; 3. Mounting seat 1; 4. Connecting seat; 5. Connecting groove; 6. Positioning seat; 7. Horizontal protection rod; 8. Mounting seat 2; 9. Longitudinal protection rod; 10. Matching seat; 11. Cavity; 12. Positioning pin; 13. Pressure plate 2; 14. Reset spring 2; 15. Cavity; 16. Wedge block; 17. Mounting cavity; 18. Moving pin; 19. Pressure plate 1; 20. Reset spring 1; 21. Adjusting screw; 22. Notch. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] like Figure 1 to Figure 2 As shown, a foundation pit enclosure device for a steel structure of a house construction comprises two mutually matched bases 1, a support rod 2 is fixedly provided on the base 1, a plurality of mounting seats 3 are fixedly provided on each support rod 2 at equal intervals along its axial direction, a connecting seat 4 is rotatably provided on the support rod 2 above each mounting seat 3, and the enclosure can be adjusted horizontally or longitudinally installed as required by rotating the connecting seat 4 on the support rod 2, a connecting groove 5 is provided on the end surface of the connecting seat 4, and a detachable positioning seat 6 is provided in the connecting groove 5;

[0026] Transverse protective bars 7 are fixedly provided at the opposite ends of two positioning seats 6 at the same height, and multiple mounting seats 8 are fixedly provided on the multiple transverse protective bars 7 at equal intervals along the axial direction thereof. A detachable longitudinal protective bar 9 is commonly provided on the multiple mounting seats 8 in the same vertical direction, and the bottom of each longitudinal protective bar 9 is respectively provided with a conical structure. With the cooperation of the multiple transverse protective bars 7 and the longitudinal protective bars 9, effective enclosure operations are carried out on the foundation pit.

[0027] like Figure 3 and Figure 4As shown, a cavity 15 is provided in the positioning seat 6 and a wedge-shaped block 16 that can move up and down is provided in the cavity 15. Mounting cavities 17 are symmetrically provided in the positioning seat 6 corresponding to the left and right ends of the wedge-shaped block 16. A movable pin 18 that can slide left and right is provided in the mounting cavity 17, and the ends of the two movable pins 18 extending into the cavity 15 are provided with matching surfaces that match the wedge-shaped block 16.

[0028] A pressure plate 19 is fixedly provided on the movable pin 18 near the bottom wall of the installation cavity 17, and a return spring 20 is wound between the pressure plate 19 and the bottom wall of the installation cavity 17. A pin hole matching the movable pin 18 is opened on the connecting seat 4 corresponding to the movable pin 18.

[0029] like Figure 4 As shown, an adjusting screw 21 is threadedly inserted into the top surface of the positioning seat 6 at the central position of the wedge block 16, and the end of the adjusting screw 21 extending into the cavity 15 abuts against the top surface of the wedge block 16, and a slot 22 is also provided on the connecting seat 4 to which the adjusting screw 21 can be inserted.

[0030] like Figure 2 As shown, each mounting seat 2 8 is respectively provided with an arc groove for placing the longitudinal protective rod 9, and a detachable matching seat 10 for positioning the longitudinal protective rod 9 is also provided on the mounting seat 2 8, and the detachable connection between the matching seat 10 and the mounting seat 2 8 is achieved through the cooperation of the positioning screw and the internal thread.

[0031] Embodiment 2

[0032] Based on the first embodiment, Figure 1 and 5 As shown, the specific structure for positioning the connection seat 4 is as follows:

[0033] A cavity 11 is provided in the connecting seat 4 near the supporting rod 2, and a positioning pin 12 which can move up and down is passed through the cavity 11. Positioning holes which match the positioning pin 12 are provided at intervals of 90 degrees along the circumferential direction of the mounting seat 3 corresponding to the positioning pin 12. With the cooperation of the positioning pin 12 and the positioning hole, the connecting seat 4 is positioned after adjustment.

[0034] A second pressure plate 13 is fixedly provided on the positioning pin 12 near the bottom wall of the cavity 11, and a second return spring 14 is wound between the second pressure plate 13 and the top wall of the cavity 11. The cooperation between the second pressure plate 13 and the second return spring 14 can ensure the stability of the positioning pin 12 during the upward and downward movement adjustment process.

[0035] In specific use, firstly, the support rod 2 at one end is positioned and connected through the base 1, and the positioning seat 6 at one end of each transverse protection rod 7 is inserted into the connecting seat 4, and then the adjusting screw 21 is rotated. Under the action of the thread force, the wedge block 16 is driven to move downward. During the movement, the moving pins 18 at both ends are driven to move back to each other, so that they cooperate with the pin holes on the connecting seat 4 to connect and fix the two. At the same time, during the process of rotating and moving the adjusting screw 21 downward, the bottom wall of the nut on the adjusting screw 21 can be tightly abutted against the top surface of the connecting seat 4, so as to ensure the stability of the two after the connection, and then the other support rod 2 is connected to the other end of the transverse protection rod 7. Finally, under the action of the mounting seat 2 8 and the matching seat 10, the longitudinal protection rod 9 is connected, so that the enclosure device can be assembled conveniently and quickly;

[0036] During the assembly process, when it is necessary to install the transverse protective bar 7 in the longitudinal direction, first pull the positioning pin 12 upward to separate it from the positioning hole, then rotate the connecting seat 4 90 degrees, release the external force on the positioning pin 12, and under the action of the reset spring 14, the positioning pin 12 and the other positioning hole are matched and positioned, and multiple transverse protective bars 7 and longitudinal protective bars 9 are installed and connected in sequence, so that the transverse protective bars 7 and the longitudinal protective bars 9 can be adjusted and installed in the horizontal or longitudinal direction according to the installation requirements, thereby improving the scope of use of the device.

[0037] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A foundation pit enclosure device for a steel structure of a house, comprising two mutually matching bases (1), on which a support rod (2) is fixed, characterized in that: A plurality of mounting seats (3) are fixedly provided on each of the support rods (2) at equal intervals along the axial direction thereof, a connecting seat (4) is rotatably provided on the support rod (2) above each of the mounting seats (3), a connecting groove (5) is provided on the end surface of the connecting seat (4), and a detachable positioning seat (6) is provided in the connecting groove (5); A transverse protection rod (7) is fixedly provided at opposite ends of two positioning seats (6) at the same height, a plurality of mounting seats (8) are fixedly provided at equal intervals along the axial direction of the plurality of transverse protection rods (7), and a detachable longitudinal protection rod (9) is commonly provided on the plurality of mounting seats (8) in the same vertical direction.

2. The foundation pit protection device for steel structure of house construction according to claim 1 is characterized by: A cavity (15) is provided in the positioning seat (6), and a wedge-shaped block (16) which can move up and down is provided in the cavity (15); installation cavities (17) are symmetrically provided in the positioning seat (6) corresponding to the left and right ends of the wedge-shaped block (16); and a movable pin (18) which can slide left and right is provided in the installation cavity (17); A pressure plate (19) is fixedly provided on the movable pin (18) near the bottom wall of the installation cavity (17), and a return spring (20) is wound between the pressure plate (19) and the bottom wall of the installation cavity (17). A pin hole matching the movable pin (18) is provided on the connecting seat (4) corresponding to the movable pin (18).

3. The foundation pit protection device for a steel structure of a house construction according to claim 2, characterized in that: An adjusting screw (21) is threadedly inserted into the top surface of the positioning seat (6) at the central position of the wedge block (16), and a notch (22) capable of receiving the adjusting screw (21) is also provided on the connecting seat (4).

4. The foundation pit protection device for a steel structure of a house construction according to claim 1, characterized in that: A cavity (11) is provided in the connection seat (4) near the support rod (2), and a positioning pin (12) that can move up and down is inserted into the cavity (11). Positioning holes that match the positioning pin (12) are provided at positions spaced 90 degrees apart in the circumferential direction of the mounting seat (3) corresponding to the positioning pin (12).

5. The foundation pit protection device for steel structure of house construction according to claim 4 is characterized by: A second pressing plate (13) is fixedly arranged on the positioning pin (12) close to the bottom wall of the cavity (11), and a second return spring (14) is wound between the second pressing plate (13) and the top wall of the cavity (11).

6. The foundation pit protection device for steel structure of house construction according to claim 1, characterized in that: Each of the second mounting seats (8) is provided with an arc-shaped groove capable of accommodating a longitudinal protection rod (9), and a matching seat (10) for positioning the longitudinal protection rod (9) is also detachably provided on the second mounting seat (8).

7. The foundation pit protection device for steel structure of house construction according to claim 1, characterized in that: The bottom of each longitudinal protection rod (9) is respectively provided with a conical structure.

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