Foundation trench supporting device capable of being automatically adjusted

Abstract

The utility model discloses an automatically adjustable foundation trench support device which comprises a portal frame, a support mechanism and a controller, the support mechanism comprises two groups of sliding blocks and telescopic mechanisms which are transversely arranged, a plurality of groups of adjusting mechanisms which are vertically arranged and two groups of support plates, and the two sliding blocks are transversely connected to the top of the portal frame in a sliding mode. The two sets of telescopic mechanisms are vertically and slidably connected to the two sliding blocks respectively and can automatically and vertically slide on the sliding blocks through a motor, the multiple sets of adjusting structures are vertically and fixedly connected between the two sets of telescopic mechanisms, and the supporting plate is fixedly installed on the lower portions of the telescopic mechanisms; when the foundation trench supporting device is used for supporting the foundation trench, only the device needs to be moved to the ground above the foundation trench, the supporting plates can extend downwards into the foundation trench through the telescopic mechanism, then the distance between the two supporting plates is adjusted through the adjusting mechanism, and the supporting plates abut against the inner wall of the foundation trench for supporting the foundation trench, so that the operation is convenient, and the practicability is high. And the supporting resistance force can be monitored, and the construction quality and efficiency of foundation trench supporting are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, in particular to a foundation trench supporting device which can be adjusted automatically. Background Art

[0002] In construction projects, foundation trench excavation and support are key construction links, and their quality and safety directly affect the safety and stability of the entire project. At present, there are some foundation trench support devices on the market, but most of them require manual installation and adjustment, which is inefficient and has certain safety hazards in manual operation; in addition, some existing support devices have insufficient flexibility and unstable support effects when adapting to different geological conditions and foundation trench shapes. Utility Model Content

[0003] The purpose of the utility model is to provide an automatically adjustable foundation trench supporting device to solve the problems raised by the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatically adjustable foundation trench support device, comprising a gantry, a support mechanism and a controller, wherein the support mechanism is laterally slidably connected to the gantry, the support mechanism comprises two groups of sliders and telescopic mechanisms arranged laterally, multiple groups of adjustment mechanisms arranged vertically, and two groups of support plates, the two sliders are laterally slidably connected to the top of the gantry, each group of the telescopic mechanisms comprises a telescopic rod, a rack, a motor, and a driving gear, and the telescopic rods are respectively vertically slidably connected to the two sliders, and the upper ends of the telescopic rods are fixedly connected to the racks. The motor is fixedly connected to the slider, the driving gear is fixedly connected to the rotating shaft of the motor, and the driving gear is meshed with the rack. The multiple groups of adjustment mechanisms are vertically fixedly connected between the two groups of telescopic mechanisms. The adjustment mechanism includes an electric hydraulic jack and an axial force sensor respectively fixedly connected to the two telescopic rods, and the telescopic end of the electric hydraulic jack is fixedly connected to the axial force sensor. The two groups of support plates are respectively fixedly connected to the outer surfaces of the lower parts of the two telescopic rods. The motor, the electric hydraulic jack, and the axial force sensor are connected to the controller through a circuit.

[0005] Furthermore, an I-beam is laterally arranged on the top of the gantry, four chambers are arranged inside the slider, and a sliding wheel is rotatably connected to each chamber through a rotating shaft, the slider is clamped on the lower bottom surface of the I-beam, and the sliding wheel is rollingly connected to the lower bottom surface of the I-beam.

[0006] By connecting the roller inside the slider, the friction of the slider sliding on the gantry is reduced, ensuring smooth extension and retraction of the electric hydraulic jack.

[0007] Furthermore, a guide groove is provided on the outer arm of the slider, the upper end of the telescopic rod is inserted into the guide groove, a vertical guide rail is provided inside the guide groove, and a guide strip matching the guide rail is provided on the telescopic rod.

[0008] The telescopic rod is limited by the guide groove to ensure the effective meshing of the driving gear and the rack, thereby reducing the failure rate of the telescopic rod being extended and retracted by the motor.

[0009] Furthermore, a limit pin is fixedly provided on the top of the telescopic rod.

[0010] A limit pin is provided to prevent the telescopic rod from being separated from the slide block.

[0011] Furthermore, the supporting mechanism is provided in multiple groups along a direction perpendicular to its sliding direction.

[0012] Multiple groups of support mechanisms are set up as needed to support larger foundation pits and ensure the stability of the support.

[0013] Furthermore, an electric wheel is provided at the bottom of the gantry, and the electric wheel is electrically connected to the controller.

[0014] Electric wheels are provided to facilitate movement and transportation of the device.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model is provided with a telescopic mechanism and an adjusting mechanism. When foundation trench support is needed, the device only needs to be moved to the ground above the foundation trench, and the telescopic mechanism can be controlled by a controller to extend the support plate down into the foundation trench. The electric hydraulic jack is then extended and retracted to adjust the distance between the two support plates, and the support plates are pressed against the inner wall of the foundation trench to support the foundation trench. The operation is convenient, and the axial force sensor can be used to monitor the size of the support resistance force, so that the appropriate support force can be selected, thereby improving the construction quality and efficiency of the foundation trench support. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the support of the automatically adjustable foundation trench support device provided by the embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall structure of the automatically adjustable foundation trench support device provided by the embodiment of the utility model;

[0019] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 It is a schematic diagram of the connection structure of the telescopic mechanism provided in an embodiment of the utility model;

[0021] In the figure, 1-gantry, 2-support mechanism, 3-base groove, 11-I-beam, 12-electric wheel, 21-slider, 22-telescopic mechanism, 23-adjustment mechanism, 24-support plate, 211-sliding wheel, 212-guide groove, 213-guide rail, 221-telescopic rod, 222-motor, 223-rack, 224-driving gear, 225-limiting pin, 231-axial force sensor, 232-electric hydraulic jack, 2211-guide strip. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-Figure 4 The utility model provides a technical solution: an automatically adjustable foundation trench support device, including a gantry 1, a support mechanism 2 and a controller, an I-beam 11 is transversely arranged on the top of the gantry 1, the support mechanism 2 is transversely slidably connected to the I-beam 11, an electric wheel 12 is arranged at the bottom of the gantry 1, and the electric wheel 12 is electrically connected to the controller.

[0024] The support mechanism 2 includes two sets of sliders 21 and telescopic mechanisms 22 arranged horizontally, multiple sets of adjustment mechanisms 23 arranged vertically, and two sets of support plates 24;

[0025] Four chambers are arranged inside the two sliders 21, and a sliding wheel 211 is rotatably connected in each chamber through a rotating shaft. The sliders 21 are clamped on the lower bottom surface of the I-beam 11, and the sliding wheel 211 is rollingly connected with the lower bottom surface of the I-beam 11;

[0026] Each telescopic mechanism 22 includes a telescopic rod 221, a rack 223, a motor 222, and a driving gear 224, and the telescopic rod 221 is respectively vertically slidably connected to the two sliders 21, and the upper end of the telescopic rod 221 is fixedly connected to the rack 223, the motor 222 is fixedly connected to the slider 21, and the driving gear 224 is fixedly connected to the rotating shaft of the motor 222, and the driving gear 224 is meshed with the rack 223, and the driving gear 224 is driven by the motor 222, thereby driving the telescopic rod 221 to move upward or downward;

[0027] A plurality of adjustment structures 23 are vertically fixedly connected between the two groups of telescopic mechanisms 22. The adjustment mechanism 23 includes an electric hydraulic jack 232 and an axial force sensor 231 respectively fixedly connected to the two telescopic rods 221, and the telescopic end of the electric hydraulic jack 232 is fixedly connected to the axial force sensor 231. The two groups of support plates 24 are respectively fixedly connected to the outer surfaces of the lower parts of the two telescopic rods 221. The motor 222, the electric hydraulic jack 232, and the axial force sensor 231 are connected to the controller through the circuit. During the extension of the electric hydraulic jack 232, the telescopic rod 221 moves along the sliding direction of the slider 21, so that the distance between the two support plates 24 gradually increases, thereby pressing the support plates 24 against the inner wall of the base groove 3 for support, and the size of the support force can be monitored through the axial force sensor 231, so that the appropriate base groove 3 support strength can be selected according to needs.

[0028] In the specific implementation process, in order to prevent the telescopic rod 221 from being misplaced and affecting the engagement of the driving gear 222 with the rack 223, a guide groove 212 is provided on the outer arm of the slider 21, and the upper end of the telescopic rod 221 is inserted into the guide groove 212, and a vertical guide rail 213 is provided inside the guide groove 212. A guide bar 2211 matching the guide rail 213 is provided on the telescopic rod 221, and in order to prevent the telescopic rod 221 from being disengaged from the guide groove 212, a limit pin 225 is fixedly provided on the top of the telescopic rod 221.

[0029] In the specific implementation process, when a larger foundation trench 3 needs to be supported, multiple groups of support mechanisms 2 can be arranged in a direction perpendicular to the sliding direction of the support mechanism 2 as needed. The multiple groups of mechanisms work together to support and avoid the situation where the support area is large and the support is insufficient or unstable when one group of support mechanisms 2 is used for support.

[0030] It should be noted that the motor 222, the electric hydraulic jack 232, the axial force sensor 231, the electric wheel 12, and the controller are all commercial components purchased on the market, and their specific models and specifications need to be selected and determined according to the actual specifications of the device, and the selection calculation method adopts the existing technology in this field, so it will not be described in detail. The power supply and connection principle of the controller are clear to those skilled in the art and will not be described in detail here.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatically adjustable foundation trench support device, characterized in that: It includes a gantry, a support mechanism and a controller. The support mechanism is laterally slidably connected to the gantry. The support mechanism includes two groups of sliders and telescopic mechanisms arranged laterally, multiple groups of adjustment mechanisms arranged vertically, and two groups of support plates. The two sliders are laterally slidably connected to the top of the gantry. Each group of the telescopic mechanisms includes a telescopic rod, a rack, a motor, and a driving gear. The telescopic rods are respectively vertically slidably connected to the two sliders, and the upper end of the telescopic rod is fixedly connected to the rack. The motor is fixedly connected to the slider, the driving gear is fixedly connected to the rotating shaft of the motor, and the driving gear is meshed with the rack. The multiple groups of adjustment mechanisms are vertically fixedly connected between the two groups of telescopic mechanisms. The adjustment mechanism includes an electric hydraulic jack and an axial force sensor respectively fixedly connected to the two telescopic rods, and the telescopic end of the electric hydraulic jack is fixedly connected to the axial force sensor. The two groups of support plates are respectively fixedly connected to the outer sides of the lower parts of the two telescopic rods. The motor, the electric hydraulic jack, and the axial force sensor are connected to the controller through a circuit.

2. The automatically adjustable foundation trench support device according to claim 1, characterized in that: An I-beam is horizontally arranged on the top of the gantry, four chambers are arranged inside the slider, and a sliding wheel is rotatably connected to each chamber through a rotating shaft, the slider is clamped on the lower bottom surface of the I-beam, and the sliding wheel is rollingly connected to the lower bottom surface of the I-beam.

3. The automatically adjustable foundation trench support device according to claim 2, characterized in that: A guide groove is arranged on the outer arm of the slider, the upper end of the telescopic rod is inserted into the guide groove, a vertical guide rail is arranged inside the guide groove, and a guide bar matching the guide rail is arranged on the telescopic rod.

4. The automatically adjustable foundation trench support device according to claim 3 is characterized in that: A limit pin is fixedly arranged on the top of the telescopic rod.

5. The automatically adjustable foundation trench support device according to claim 1, characterized in that: The supporting mechanism is provided in multiple groups along a direction perpendicular to the sliding direction thereof.

6. The automatically adjustable foundation trench support device according to claim 1, characterized in that: An electric wheel is arranged at the bottom of the gantry, and the electric wheel is electrically connected to the controller.

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