Adjustable foundation pit supporting device

Abstract

The utility model discloses an adjustable foundation pit supporting device, which belongs to the technical field of foundation pit supporting and comprises a bottom plate, a plurality of positioning pins mounted below the bottom plate, a supporting column arranged above the bottom plate, a connecting component mounted above the supporting column, and a driving component mounted at the top of the connecting component. Side supporting plate assemblies are arranged on the two sides of the connecting assembly, and the connecting assembly is connected with the two side supporting plate assemblies through two inclined lifting devices; according to the utility model, the inclined lifting device is arranged, so that a worker can adjust the inclination degree of the side supporting plate assembly to a certain degree through the cooperation of structures such as a fixed shaft and a rotating block when needed; and a worker can adjust the heights of the two side supporting plate assemblies to a certain degree through cooperation of a supporting plate, a second screw rod and other structures when needed, so that the working requirements of different foundation pits are better met, and the working capacity of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of foundation pit support, and specifically relates to an adjustable foundation pit support device. Background Art

[0002] The foundation pit is a pit dug 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, and waterproofing and drainage work should be done.

[0003] Chinese patent application No. 202222059545.2 discloses a deep foundation pit narrow road support device, including a support shell, a double-sided distance adjustment support mechanism is arranged in the support shell, a support column is arranged at the middle position of the bottom of the support shell, a bottom plate is fixed under the support column, and the double-sided distance adjustment support mechanism includes a threaded rod, a threaded collar, a driving gear, a transmission gear and a side support plate. The utility model belongs to the technical field of deep foundation pit support, specifically refers to a deep foundation pit narrow road support device that is easy to adjust the length, so as to perfectly adapt to the narrow road for support, can extend into the bottom of the deep foundation pit for support, thereby preventing the support device from sliding downward due to its own gravity and causing the support to loosen.

[0004] 1. The above-mentioned disclosed patent has the problem that the inclination of the side support plate cannot be adjusted according to the conditions of the foundation pit and the height of the two side support plates cannot be adjusted separately, thereby reducing the working capacity of the device; 2. The above-mentioned disclosed patent has the problem of inconvenience in movement, thereby reducing the practicality of the device. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides an adjustable foundation pit supporting device, which has the characteristics of high working capacity and strong practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable foundation pit support device, comprising a base plate, a plurality of positioning pins are installed under the base plate, a support column is arranged above the base plate, a connecting assembly is installed above the support column, a driving assembly is installed on the top of the connecting assembly, side support plate assemblies are arranged on both sides of the connecting assembly, the connecting assembly and the two side support plate assemblies are connected by two inclined lifting devices, and the base plate and the support column are connected by a movable connecting device.

[0007] Preferably, the tilt lifting device includes a connecting frame, a fixed shaft, a rotating block, a connecting plate and a lifting assembly, two connecting frames are installed at the bottom of the connecting assembly, a fixed shaft is installed on the inner side of the bottom of the connecting frame, a rotating block is installed on the outer side of the fixed shaft through a bearing, a connecting plate is installed on the side of the side support plate assembly close to the rotating block, and the connecting plate and the rotating block are connected through the lifting assembly.

[0008] Preferably, the tilt lifting device also includes a first knob, a first screw and a threaded hole, a plurality of threaded holes are opened on the outer side of the rotating block, a first screw is threadedly installed on the connecting frame and located on the side of the rotating block away from the side support plate assembly, and a first knob is installed on the side of the first screw away from the rotating block.

[0009] Preferably, the lifting assembly includes a support plate, a second screw and a second knob. The support plate is installed on the rotating block and above the connecting plate. The second screw is installed above the connecting plate and inside the support plate through a bearing. The second knob is installed above the second screw.

[0010] Preferably, the movable connecting device includes a support frame, a third knob, a third screw and a brake wheel. The support frame is installed on the side of the support column close to the base plate, and a plurality of brake wheels are installed below the support frame and at a position outside the base plate. Two third screws are installed on the side of the base plate close to the support frame through bearings, and a third knob is installed above the third screw.

[0011] Preferably, the support frame is designed to be an inverted U-shaped design, and the inner length of the support frame is equal to the outer length of the base plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides an inclined lifting device so that the staff can adjust the inclination of the side support plate assembly to a certain extent through the cooperation of structures such as a fixed shaft and a rotating block when necessary, and the staff can adjust the height of the two side support plate assemblies to a certain extent through the cooperation of structures such as a support plate and a second screw rod when necessary, so as to better meet the working needs of different foundation pits and thus improve the working capacity of the device.

[0014] 2. The utility model provides a mobile connection device, so that the staff can move the position of the device to a certain extent through each brake wheel when necessary, thereby reducing the difficulty of moving the device, alleviating the labor burden of the staff, and further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a three-dimensional cutaway view of the utility model;

[0017] Figure 3 It is a three-dimensional cutaway view of the tilting lifting device of the utility model;

[0018] Figure 4It is a three-dimensional cutaway view of the mobile connection device of the utility model.

[0019] In the figure: 1. connecting assembly; 2. tilt lifting device; 21. connecting frame; 22. first knob; 23. first screw; 24. fixed axis; 25. rotating block; 26. connecting plate; 27. lifting assembly; 271. support plate; 272. second screw; 273. second knob; 28. threaded hole; 3. side support plate assembly; 4. mobile connecting device; 41. support frame; 42. third knob; 43. third screw; 44. brake wheel; 5. positioning pin; 6. bottom plate; 7. support column; 8. driving assembly. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: an adjustable foundation pit support device, including a bottom plate 6, a plurality of positioning pins 5 are installed below the bottom plate 6, a support column 7 is arranged above the bottom plate 6, a connecting component 1 is installed above the support column 7, a driving component 8 is installed on the top of the connecting component 1, side support plate components 3 are arranged on both sides of the connecting component 1, the connecting component 1 and the two side support plate components 3 are connected by two inclined lifting devices 2, and the bottom plate 6 and the support column 7 are connected by a movable connecting device 4.

[0023] Specifically, the tilt lifting device 2 includes a connecting frame 21, a fixed shaft 24, a rotating block 25, a connecting plate 26 and a lifting assembly 27. Two connecting frames 21 are installed at the bottom of the connecting assembly 1, a fixed shaft 24 is installed on the inner side of the bottom of the connecting frame 21, and a rotating block 25 is installed on the outer side of the fixed shaft 24 through a bearing. A connecting plate 26 is installed on the side of the side support plate assembly 3 close to the rotating block 25, and the connecting plate 26 and the rotating block 25 are connected through the lifting assembly 27.

[0024] By adopting the above technical solution, the staff can adjust the inclination of the side support plate assembly 3 to a certain extent through the cooperation of structures such as the fixed shaft 24 and the rotating block 25 when necessary, so as to better meet the working needs of different foundation pits.

[0025] Specifically, the tilt lifting device 2 also includes a first knob 22, a first screw 23 and a threaded hole 28. A plurality of threaded holes 28 are provided on the outer side of the rotating block 25. The first screw 23 is threadedly installed on the connecting frame 21 at a position on the side of the rotating block 25 away from the side support plate assembly 3. The first knob 22 is installed on the side of the first screw 23 away from the rotating block 25.

[0026] By adopting the above technical solution, the staff can fix the relative position between the rotating block 25 and the connecting frame 21 through the cooperation of the first screw 23 and the threaded hole 28 when necessary, thereby preventing the rotating block 25 from rotating accidentally.

[0027] Specifically, the lifting assembly 27 includes a support plate 271, a second screw rod 272 and a second knob 273. The support plate 271 is installed on the rotating block 25 and at a position above the connecting plate 26. The second screw rod 272 is installed above the connecting plate 26 and at a position inside the support plate 271 through a bearing. The second knob 273 is installed above the second screw rod 272.

[0028] By adopting the above technical solution, the staff can adjust the height of the two side support plate assemblies 3 by cooperating with the support plate 271 and the second screw rod 272 when necessary, so as to better meet the working needs of different foundation pits.

[0029] When the present embodiment is used, when the device is needed to support the foundation pit, the worker fixes the device in the foundation pit through the positioning pins 5 under the bottom plate 6, adjusts the height of the support column 7, and then rotates the two side support plate assemblies 3 respectively, thereby driving the two side support plate assemblies 3 and the rotating blocks 25 in the two tilt lifting devices 2 to rotate around the fixed shaft 24 to the required inclination, and then the worker rotates the two first knobs 22 respectively, thereby driving the two first screws 23 to connect with the corresponding threaded holes 28, and then the worker rotates the second knobs 273 in the two lifting assemblies 27 respectively, thereby The two second screw rods 272 are driven to rotate, the second screw rods 272 and the support plate 271 are threadedly connected, the second screw rods 272 and the connecting plate 26 are bearing-connected, and the support plate 271 is close to the side support plate assembly 3 on the connecting plate 26, so the two second screw rods 272 respectively drive the two connecting plates 26 and the side support plate assemblies 3 thereon to move, thereby adjusting the height of the two side support plate assemblies 3, and then operate the driving assembly 8 to drive the connecting frame 21 and other structures to move through the connecting assembly 2, thereby adjusting the position of the two side support plate assemblies 3, and then the two side support plate assemblies 3 can be used to support the foundation pit.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that the mobile connecting device 4 includes a support frame 41, a third knob 42, a third screw 43 and a brake wheel 44, the support frame 41 is installed on the side of the support column 7 close to the base plate 6, a plurality of brake wheels 44 are installed below the support frame 41 and at a position outside the base plate 6, two third screws 43 are installed on the side of the base plate 6 close to the support frame 41 through bearings, and the third knob 42 is installed above the third screw 43.

[0032] By adopting the above technical solution, the staff can move the position of the device to a certain extent through each brake wheel 44 when necessary, thereby reducing the difficulty of moving the device and alleviating the labor burden of the staff.

[0033] Specifically, the support frame 41 is designed to be an inverted U-shaped design, and the inner length of the support frame 41 is equal to the outer length of the bottom plate 6 .

[0034] By adopting the above technical solution, the staff can put the bottom plate 6 and the positioning pins 5 thereunder into the support frame 41 when needed, so as to prevent them from affecting the normal movement of the device, thus better meeting the work needs.

[0035] When this embodiment is in use, when the device needs to be moved, the staff can simultaneously rotate the two third knobs 42 in the mobile connecting device 4, thereby driving the two third screws 43 to rotate. The two third screws 43 are connected to the base plate 6 by bearings, and the two third screws 43 are threadedly connected to the support frame 41, so the two third screws 43 drive the base plate 6 and the positioning pins 5 thereunder to move until the base plate 6 and the positioning pins 5 enter the support frame 41, and then push the device to move the position of the device through the brake wheels 44.

[0036] The structure and principle of the connecting assembly 1 composed of a supporting shell, a threaded rod, a threaded collar, a transmission gear and a lifting ring, the side support plate assembly 3 composed of a side support plate and a plug rod, the positioning pin 5, the support column 7, and the driving assembly 8 composed of a driving gear and a knob in the utility model have been disclosed in the deep foundation pit narrow road support device disclosed in Chinese patent application No. 202222059545.2. Its working principle is that when in use, according to the depth of the deep foundation pit, the length of the support column is adjusted so that the bottom plate is supported at the bottom of the deep foundation pit, and the positioning pin can be inserted into the soil at the bottom of the deep foundation pit to support the support device. Support the whole body, then turn the knob, the knob drives the driving gear to rotate, the driving gear drives the two sets of transmission gears to rotate, the transmission gear drives the threaded rod to rotate, the threaded collar converts the rotary motion of the threaded rod into linear reciprocating motion, and the threaded collar drives the side support plate to move through the connecting rod, so that the side support plates on both sides are fitted on the two side walls of the deep foundation pit, and the plug rods on the upper and lower sides of the side support plates are inserted into the two side walls of the deep foundation pit, to achieve a more stable support effect, convenient for adjusting the length of the support, so as to perfectly adapt to the narrow road for support, and prevent the support device from sliding downward due to its own gravity and causing the support to loosen.

[0037] The working principle and use process of the utility model are as follows: when the device is needed to support the foundation pit, the staff fixes the device in the foundation pit through the positioning pins 5 under the bottom plate 6, adjusts the height of the support column 7, and then rotates the two side support plate assemblies 3 respectively, thereby driving the two side support plate assemblies 3 and the rotating blocks 25 in the two tilt lifting devices 2 to rotate around the fixed axis 24 to the required inclination, and then the staff rotates the two first knobs 22 respectively, thereby driving the two first screws 23 to connect with the corresponding threaded holes 28, and then the staff rotates the second knobs 273 in the two lifting assemblies 27 respectively, thereby driving the two second screws 272 to rotate, the second screw 272 is threadedly connected to the support plate 271, the second screw 272 is bearing-connected to the connecting plate 26, and the support plate 271 is tightly attached to the side support plate assembly 3 on the connecting plate 26, so The two second screw rods 272 respectively drive the two connecting plates 26 and the side support plate assemblies 3 thereon to move, thereby adjusting the heights of the two side support plate assemblies 3, and then operate the driving assembly 8 to drive the connecting frame 21 and other structures to move through the connecting assembly 2, thereby adjusting the positions of the two side support plate assemblies 3, and then the two side support plate assemblies 3 can be used to support the foundation pit; when the device needs to be moved, the staff can simultaneously rotate the two third knobs 42 in the mobile connecting device 4, thereby driving the two third screw rods 43 to rotate, the two third screw rods 43 are connected to the base plate 6 by bearings, and the two third screw rods 43 are threadedly connected to the support frame 41, so the two third screw rods 43 drive the base plate 6 and the positioning pins 5 thereunder to move until the base plate 6 and the positioning pins 5 enter the support frame 41, and then push the device to move the position of the device through each brake wheel 44.

[0038] Although the 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 adjustable foundation pit support device, comprising a bottom plate, characterized in that: A plurality of positioning pins are installed below the base plate, a support column is arranged above the base plate, a connecting assembly is installed above the support column, a driving assembly is installed on the top of the connecting assembly, side support plate assemblies are arranged on both sides of the connecting assembly, the connecting assembly and the two side support plate assemblies are connected by two tilting and lifting devices, and the base plate and the support column are connected by a movable connecting device.

2. The adjustable foundation pit support device according to claim 1, characterized in that: The tilt lifting device includes a connecting frame, a fixed shaft, a rotating block, a connecting plate and a lifting assembly. Two connecting frames are installed at the bottom of the connecting assembly. A fixed shaft is installed on the inner side of the bottom of the connecting frame. A rotating block is installed on the outer side of the fixed shaft through a bearing. A connecting plate is installed on the side of the side support plate assembly close to the rotating block. The connecting plate and the rotating block are connected through the lifting assembly.

3. The adjustable foundation pit support device according to claim 2, characterized in that: The tilt lifting device also includes a first knob, a first screw and a threaded hole. A plurality of threaded holes are provided on the outer side of the rotating block. A first screw is threadedly installed on the connecting frame at a position on the side of the rotating block away from the side support plate assembly. A first knob is installed on the side of the first screw away from the rotating block.

4. The adjustable foundation pit support device according to claim 2, characterized in that: The lifting assembly includes a support plate, a second screw and a second knob. The support plate is installed on the rotating block and above the connecting plate. The second screw is installed above the connecting plate and inside the support plate through a bearing. The second knob is installed above the second screw.

5. The adjustable foundation pit supporting device according to claim 1, characterized in that: The movable connection device includes a support frame, a third knob, a third screw and a brake wheel. The support frame is installed on the side of the support column close to the base plate, and multiple brake wheels are installed below the support frame and at a position outside the base plate. Two third screws are installed on the side of the base plate close to the support frame through bearings, and the third knob is installed above the third screw.

6. The adjustable foundation pit supporting device according to claim 5, characterized in that: The support frame is designed to be an inverted U-shaped design, and the inner length of the support frame is equal to the outer length of the base plate.

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