Automatic servo device for deep and large foundation pit steel support

Abstract

The utility model relates to the technical field of foundation pit steel supports, in particular to a deep and large foundation pit steel support automatic servo device which comprises a servo steel box body and a side support, one side of the servo steel box body is fixedly connected with a limiting hanging plate, the lower portion of the side support is fixedly connected with a triangular support, and the limiting hanging plate is fixedly connected with the triangular support. A servo adjustable head is arranged in the middle of one side of the servo steel box body, and a limiting base is fixedly connected to the lower middle position of the front end of the servo steel box body. According to the automatic servo device for the steel support of the deep and large foundation pit, when regular maintenance operation needs to be carried out, the servo steel box body provided with various important precise components can be quickly opened by quickly disassembling the top cover structure convenient to disassemble, so that a worker can conveniently carry out maintenance and detection operation on the servo steel box body, the maintenance time of the device is shortened, and the maintenance efficiency is improved. And later use of the device is accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit steel supports, in particular to an automatic servo device for deep and large foundation pit steel supports. Background Art

[0002] Generally, since most deep and large foundation pit projects are close to roads, buildings, subways, etc., various underground pipelines are densely distributed, the construction site is small, and the environmental protection requirements are high, the existing technology generally uses steel support servo systems for deep and large foundation pit support to monitor the axial force of steel supports and the deformation of foundation pit retaining structures in real time, greatly improving the safety of foundation pits, while effectively protecting surrounding buildings and the environment;

[0003] In the prior art, when using steel support automatic servo devices in deep and large foundation pit projects to provide stable support, considering that important precision components such as servo controllers and hydraulic pump stations inside the servo devices need regular maintenance and overhaul, the overall setting of the conventional device chassis is not convenient for quick disassembly, which will increase the difficulty of regular maintenance and overhaul of the device, prolong the maintenance time, and is not conducive to the rapid use of the device in the later stage. Therefore, in view of the above problems, an automatic servo device for steel supports of deep and large foundation pits is proposed. Utility Model Content

[0004] The utility model aims to provide an automatic servo device for steel supports of deep and large foundation pits, so as to solve the problem that when the automatic servo device for steel supports is used in the prior art as mentioned in the above background technology, the overall device chassis is not convenient to disassemble quickly.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A deep and large foundation pit steel support automatic servo device comprises a servo steel box and a side bracket, wherein a steel support body is fixedly connected to one side position of the servo steel box, a tripod is fixedly connected to the lower position of the side bracket, a servo active head is provided at the middle position of one side of the servo steel box, and a limiting base is fixedly connected to the middle and lower position of the front end of the servo steel box, a self-locking hydraulic cylinder is fixedly installed on the inner side of the limiting base, a steering buckle plate is provided directly above the self-locking hydraulic cylinder, and one end of the steering buckle plate is fixedly connected to a combined top cover, a driving power supply is fixedly connected to the middle position of the upper inner part of the combined top cover, side support plates are respectively provided at the upper and lower positions on both sides of the driving power supply, a telescopic rod is provided between a group of the side support plates, limiting plug plates are respectively fixedly connected to the inner two sides of the combined top cover, and a servo controller body is fixedly installed at the inner rear position of the servo steel box.

[0007] Preferably, the servo active head and the self-locking hydraulic cylinder are adjacent to each other in front and rear positions, and one side end of the servo active head is arranged in contact with the vertical end face of the side bracket, a supporting purlin is provided on the side of the side bracket away from the servo active head, and a foundation pit side wall is provided on the side of the supporting purlin away from the side bracket, and the movable end of the self-locking hydraulic cylinder is arranged in contact with the vertical end of the side bracket.

[0008] Preferably, a steel support body is provided at an upper position on one side of the servo steel box body that fits the side bracket, a sensor body is fixedly connected to an upper position on one side of the servo movable head, and the sensor body and the supporting purlin are overlapped.

[0009] Preferably, the steering gusset plate is symmetrically arranged along the vertical center axis of the combined top cover, and the steering gusset plate has an "L"-shaped structure, and the steering gusset plate is fixedly connected to the limiting base by bolts.

[0010] Preferably, a movable top seat is provided in the middle position of the top of the combined top cover, and a starting switch is movably installed on the top of the movable top seat, a combined cover is covered directly above the starting switch, and the combined cover and the movable top seat are threadedly connected, the starting switch and the driving power supply are electrically connected, a hole groove through which the telescopic rod passes is provided above the limiting plug plate, and slots that are engaged with the movable ends of the telescopic rod are provided above the inner sides of the combined top cover, and the telescopic rod passes through the outer wall of the servo steel box.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, by providing a combined top cover, steering buckle plate, limiting plug plate, driving power supply, side support plate and telescopic rod, the automatic servo device of the deep and large foundation pit steel support can be conveniently operated when regular maintenance operations are required. By quickly removing the detachable top cover structure composed of the combined top cover, steering buckle plate, limiting plug plate, driving power supply, side support plate and telescopic rod, the servo steel box body where various important precision components are installed can be quickly opened, so that the staff can perform convenient maintenance and inspection operations on it. At the same time, by being able to quickly disassemble the device chassis, the difficulty of maintenance and repair of the device can be reduced, the time for maintenance of the device can be shortened, and the later use of the device can be accelerated, thereby solving the technical problems raised in the background technology of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a left-side structural diagram of the interior of the servo steel box of the utility model;

[0015] Figure 3It is a schematic diagram of the combined top cover structure of the utility model.

[0016] In the figure: 1. servo steel box; 2. side bracket; 3. servo movable head; 4. limiting base; 5. self-locking hydraulic cylinder; 6. combined top cover; 7. steering buckle plate; 8. limiting plug plate; 9. driving power supply; 10. side support plate; 11. telescopic rod; 12. movable top seat; 13. starting switch; 14. combined cover; 15. servo controller body; 16. supporting purlin; 17. tripod; 18. side wall of foundation pit; 19. sensor body; 20. limiting hanging plate; 21. steel support body. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3 , the utility model provides a technical solution:

[0019] A deep and large foundation pit steel support automatic servo device comprises a servo steel box body 1 and a side bracket 2, wherein a steel support body 21 is fixedly connected to one side position of the servo steel box body 1, a tripod 17 is fixedly connected to the lower position of the side bracket 2, a servo active head 3 is provided at the middle position of one side of the servo steel box body 1, and a limiting base 4 is fixedly connected to the middle and lower position of the front end of the servo steel box body 1, a self-locking hydraulic cylinder 5 is fixedly installed on the inner side of the limiting base 4, a steering buckle plate 7 is provided just above the self-locking hydraulic cylinder 5, and a combined top cover 6 is fixedly connected to one end of the steering buckle plate 7, a driving power source 9 is fixedly connected to the middle position of the upper part of the combined top cover 6, side support plates 10 are respectively provided at the upper and lower positions on both sides of the driving power source 9, a telescopic rod 11 is provided between a group of side support plates 10, limiting plug plates 8 are respectively fixedly connected to the inner two sides of the combined top cover 6, and a servo controller body 15 is fixedly installed at the inner rear position of the servo steel box body 1.

[0020] like Figure 1As shown, the servo movable head 3 and the self-locking hydraulic cylinder 5 are adjacent to each other in front and back positions, and one side end of the servo movable head 3 is fitted with the vertical end face of the side bracket 2, a side position of the side bracket 2 away from the servo movable head 3 is provided with a supporting purlin 16, and a side position of the supporting purlin 16 away from the side bracket 2 is provided with a foundation pit side wall 18, the movable end of the self-locking hydraulic cylinder 5 is abutted against the vertical end of the side bracket 2, and as the entire steel support is installed inside the foundation pit, the servo movable head 3 will abut against the supporting purlin 16 in the state of being separated from the side bracket 2, and the servo movable head 3 is set at the side bracket 2. A group of self-locking hydraulic cylinders 5 at the front and rear ends of the servo active head 3 will play a role in assisting the entire steel support structure when the entire device is in operation; a steel support body 21 is provided at an upper position on one side of the servo steel box 1 that fits the side bracket 2, and a sensor body 19 is fixedly connected to an upper position on one side of the servo active head 3, and the sensor body 19 and the supporting purlin 16 are overlapped. Since the sensor body 19 is fitted with the side bracket 2, the setting of the sensor body 19 mainly assists the entire servo device in real-time monitoring of the deformation of the foundation pit.

[0021] like Figure 1 , Figure 2 and Figure 3 As shown in the figure, the steering gusset plate 7 is symmetrically arranged along the vertical center axis of the combined top cover 6, and the outer shape of the steering gusset plate 7 is an "L"-shaped structure. The steering gusset plate 7 and the limiting base 4 are fixedly connected by bolts. After completing the regular maintenance operation and reinstalling the combined top cover 6 to the top position of the servo steel box body 1, a set of steering gusset plates 7 will just cover the self-locking hydraulic cylinder 5 and provide it with external protection; a movable top seat 12 is provided at the middle position of the top of the combined top cover 6, and a starting switch 13 is movably installed at the top of the movable top seat 12, and the position directly above the starting switch 13 covers the self-locking hydraulic cylinder 5. It is covered with a combined cover 14, and the combined cover 14 and the movable top seat 12 are threadedly connected, the starting switch 13 and the driving power supply 9 are electrically connected, and a hole groove through which the telescopic rod 11 passes is provided at the upper position of the limiting plug plate 8, and slots that are engaged with the movable ends of the telescopic rod 11 are provided on the upper sides of the inner part of the combined top cover 6. The telescopic rod 11 passes through the outer wall of the servo steel box 1. Before the entire device uses the extension and retraction of a group of telescopic rods 11 to limit the combined top cover 6, the combined cover 14 can be opened in advance, and the groups of telescopic rods 11 can be quickly adjusted to the power-on operation state by operating the starting switch 13.

[0022] Working process: The electric energy required for the device in the utility model when starting operation comes from an external power supply, and a front and rear set of self-locking hydraulic cylinders 5 and a sensor body 19 are controlled by the servo controller body 15. When using the deep and large foundation pit steel support automatic servo device, under the support of the tripod 17, the servo steel box 1 and the steel support body 21 are pre-lifted to the inside of the deep and large foundation pit by the lifting equipment, and the servo active head 3 and the sensor body 19 are against the outer wall of the supporting purlin 16 through the side bracket 2, and the limiting hanging plate 20 will stably hook the supporting purlin 16 to ensure that the entire steel support structure remains horizontal and stable. After the entire servo device detects the deformation of the foundation pit through the sensor body 19 and transmits the real-time collected data to the servo controller body 15, the entire servo device will A group of self-locking hydraulic cylinders 5 are controlled to perform telescopic adjustment to automatically compensate for the deformation of the foundation pit, thereby realizing real-time monitoring and control of the steel support axial force. The above technology is a publicly available prior art. When it is necessary to perform positioning and maintenance operations on the control components inside the device, the bolt fixings that fix the steering buckle plate 7 can be first removed, and then the combined cover 14 is pre-screwed and removed, and the driving power supply 9 is turned on by pressing the start switch 13. Under the auxiliary support of the two groups of side support plates 10, a group of telescopic rods 11 will be stretched and adjusted toward the middle position of the combined top cover 6. After removing the penetration limitation on the servo steel box 1, the entire servo steel box 1 can be opened independently by simply pushing the combined top cover 6 upwards, so that the important control components inside it can be conveniently maintained later.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic servo device for steel support of a deep foundation pit, comprising a servo steel box (1) and a side support (2), characterized in that: A steel support body (21) is fixedly connected to one side of the servo steel box (1), a tripod (17) is fixedly connected to the lower position of the side bracket (2), a servo movable head (3) is provided at the middle position of one side of the servo steel box (1), and a limiting base (4) is fixedly connected to the middle and lower position of the front end of the servo steel box (1), a self-locking hydraulic cylinder (5) is fixedly installed on the inner side of the limiting base (4), a steering buckle plate (7) is provided directly above the self-locking hydraulic cylinder (5), and one end of the steering buckle plate (7) is fixedly connected to a combined top cover (6), a driving power source (9) is fixedly connected to the middle position of the upper part of the combined top cover (6), side support plates (10) are respectively provided at the upper and lower positions of both sides of the driving power source (9), and a telescopic rod (11) is provided between a group of the side support plates (10), and limiting plug plates (8) are respectively fixedly connected to the inner side of the combined top cover (6), and a servo controller body (15) is fixedly installed at the inner rear position of the servo steel box (1).

2. The automatic servo device for deep and large foundation pit steel support according to claim 1 is characterized by: The servo movable head (3) and the self-locking hydraulic cylinder (5) are arranged adjacent to each other in front and rear positions, and one side end of the servo movable head (3) is arranged in contact with the vertical end surface of the side bracket (2); a side position of the side bracket (2) away from the servo movable head (3) is provided with a supporting purlin (16), and a side position of the supporting purlin (16) away from the side bracket (2) is provided with a foundation pit side wall (18); and the movable end of the self-locking hydraulic cylinder (5) is arranged in contact with the vertical end of the side bracket (2).

3. The automatic servo device for deep and large foundation pit steel support according to claim 2 is characterized in that: A limiting hanging plate (20) is provided at an upper position on one side of the servo steel box (1) that fits the side bracket (2), a sensor body (19) is fixedly connected at an upper position on one side of the servo movable head (3), and the sensor body (19) and the supporting purlin (16) are overlapped.

4. The automatic servo device for deep and large foundation pit steel support according to claim 1 is characterized by: The steering gusset plate (7) is symmetrically arranged along the vertical center axis of the combined top cover (6), and the steering gusset plate (7) is arranged in an "L"-shaped structure. The steering gusset plate (7) and the limiting base (4) are fixedly connected by bolts.

5. The automatic servo device for deep and large foundation pit steel support according to claim 1 is characterized by: A movable top seat (12) is provided at the middle position of the top of the combined top cover (6), and a start switch (13) is movably installed at the top of the movable top seat (12); a combined cover (14) is covered directly above the start switch (13), and the combined cover (14) and the movable top seat (12) are threadedly connected; the start switch (13) and the drive power source (9) are electrically connected; a hole groove through which the telescopic rod (11) passes is provided above the limiting plug plate (8); slots that are engaged and connected with the movable end of the telescopic rod (11) are provided on the upper sides of the interior of the combined top cover (6); and the telescopic rod (11) passes through the outer wall of the servo steel box (1).

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