Steel enclosing purlin supporting device for municipal engineering deep foundation pit construction

Abstract

The utility model belongs to the technical field of municipal engineering construction equipment, and particularly relates to a steel enclosing purlin supporting device for municipal engineering deep foundation pit construction, which comprises a bottom plate, a moving structure mounted on the bottom surface of the bottom plate, stabilizing structures mounted on the left side and the right side of the moving structure, and a supporting structure mounted on the bottom surface of the bottom plate. The supporting structure comprises an adjusting unit and a supporting unit, the supporting unit comprises a supporting rod, a supporting plate is mounted in the middle of the left side of the supporting rod, a mounting hole is formed in the middle of the left side of the supporting rod, a transverse rod is mounted in the mounting hole, and an abutting block is mounted at the end, away from the supporting rod, of the transverse rod; inclined rods are installed in the middles of the connecting pieces. According to the steel enclosing purlin supporting device for municipal engineering deep foundation pit construction, through installation of the supporting structure, abutting connection between the abutting connection blocks and the outer surfaces of the waist beams and the steel enclosing purlin and abutting connection between the inclined rods and the supporting plates, extra supporting force can be provided for the supporting structure, the supporting structure is supported in an auxiliary mode, and the supporting structure is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal engineering construction equipment, in particular to a steel surrounding purlin supporting device for deep foundation pit construction of municipal engineering. Background Art

[0002] With the rapid development of my country's economic construction, the construction of subways and integrated pipe corridors has gradually risen in my country. In order to protect the safety of underground main structure construction and the surrounding environment of the foundation pit, temporary support, reinforcement, protection and groundwater control measures are adopted for the foundation pit. The more mature support structures include composite soil nail wall, double-row pile structure, steel cement soil wall, bored interlocking pile, bored post-grouting continuous wall, bored pile, rotary jet pile combined with retaining structure, etc.

[0003] These traditional reinforced concrete internal supports have the disadvantages of long construction period, non-reusable materials, lack of environmental protection, and difficulty in demolition. Moreover, some support structures are not suitable for tunnel-type foundation pits.

[0004] As disclosed in Chinese patent CN216339587U, a foundation pit support purlin structure is proposed, in which the first support plate and the second support plate are respectively fixed on the tunnel walls on both sides of the tunnel-type foundation pit, so that the fixing nails are embedded in the ground. Then loosen the fastening bolts at the intersection of the first support arm and the second support arm, and adjust the telescopic arm to unfold, and make the card slot clamp the reinforcing ribs on the first support plate and the second support plate. Finally, tighten all the fastening bolts. In the above method, multiple support devices are set between the first support plate and the second support plate. The support device connects the first support plate and the second support plate on both sides, so that the whole forms a frame to support the walls on both sides of the tunnel-type foundation pit.

[0005] However, in the prior art, many steel purlins, waist beams and other structures are usually used in the protective structure of the construction pit. For construction safety, the waist beams and other structures need to be supported to improve the stability of the protective structure. However, in the existing structure, the waist beam steel purlins and other supporting structures are not easy to disassemble and transport.

[0006] For this reason, we urgently need to provide a steel purlin support device for deep foundation pit construction of municipal engineering. Utility Model Content

[0007] The purpose of the utility model is to provide a steel perimeter purlin support device for deep foundation pit construction of municipal engineering, so as to solve the problem that in the prior art proposed in the above-mentioned background technology, a number of steel perimeter purlin waist beams and other structures are usually used in the protective structure of the construction pit. For the sake of construction safety, the waist beams and other structures need to be supported to improve the stability of the protective structure. However, in the existing structure, the supporting structures such as waist beams and steel perimeter purlins are not easy to disassemble and transport.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel purlin support device for deep foundation pit construction of municipal engineering, comprising a base plate, a movable structure is installed on the bottom surface of the base plate, stable structures are installed on the left and right sides of the movable structure, and a supporting structure is installed on the bottom surface of the base plate.

[0009] The supporting structure includes an adjusting unit and a supporting unit.

[0010] The support unit includes a support rod, a support plate is installed in the middle of the left side of the support rod, a mounting hole is opened in the middle of the left side of the support rod, a cross bar is installed inside the mounting hole, an abutment block is installed at one end of the cross bar away from the support rod, a connecting piece is installed in the middle of the bottom surface of the cross bar, and an inclined rod is installed in the middle of the connecting piece.

[0011] Preferably, the adjustment unit includes an asynchronous motor, the output end of the asynchronous motor is connected to a transmission member, support members are installed at the left and right ends of the transmission member, and a mounting cylinder is installed at the top of the middle part of the transmission member.

[0012] Preferably, a mounting groove is provided in the middle of the top surface of the mounting tube, the bottom end of the outer surface of the support rod is detachably connected to the inside of the mounting groove provided in the middle of the top surface of the mounting tube, and the end of the inclined rod away from the connecting piece is in contact with the middle of the top surface of the support plate. Threaded holes are provided on the left side of the mounting tube and the left side of the bottom of the support rod, the mounting tube and the bottom of the support rod are detachably connected by bolts, and an anti-slip layer is provided at the top of the abutment block that abuts against the waist beam and the outer surface of the steel purlin.

[0013] Preferably, the movable structure includes a supporting leg, a slide cylinder is installed in the middle of the bottom surface of the supporting leg, a slide column is slidably connected to the bottom end of the slide cylinder, a spring is connected to the bottom end of the slide cylinder, and a universal wheel is installed at the bottom end of the slide column.

[0014] Preferably, the top of the support leg is fixedly connected to the bottom surface of the base plate, the end of the spring away from the slide is fixedly connected to the top of the universal wheel. The inner wall of the slide is sealed and slidably connected to the outer surface of the slide column, and the top of the slide is sealed and fixedly connected to the bottom surface of the base plate.

[0015] Preferably, the stabilizing structure comprises a connecting plate, a lifting member is fixedly mounted on the middle of the bottom surface of the connecting plate, a mounting plate is fixedly mounted on the bottom end of the lifting member, and anti-slip spikes are fixedly mounted on the middle of the bottom surface of the mounting plate.

[0016] Preferably, the connecting plates are installed on the front and back ends of the left and right sides of the bottom plate, and the anti-slip rings are fixedly installed on the outer surfaces of the anti-slip spikes. There are four groups of stable structures, two groups on each side of the bottom plate, and the anti-slip rings are tilted upward at a certain angle.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The steel purlin support device for deep foundation pit construction of the municipal engineering project can provide additional support force to the support structure through the installation of the support structure, by utilizing the abutment between the abutment block and the waist beam, the outer surface of the steel purlin, and the abutment between the diagonal rod and the support plate, so as to assist in supporting the support structure and make it more stable.

[0019] 2. The steel purlin support device for deep foundation pit construction of municipal engineering can provide a stable structure, and during use, the device can insert anti-slip nails into the ground using a lifting piece, so as to provide a stable support effect and prevent sliding when the device is used to support it. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0021] Figure 2 This is an enlarged view of the support structure of the utility model;

[0022] Figure 3 This is an enlarged view of the adjustment structure of the utility model;

[0023] Figure 4 It is an enlarged view of the mobile support structure of the utility model.

[0024] In the figure: 1, bottom plate; 101, supporting leg; 102, slide cylinder; 103, slide column; 104, spring; 105, universal wheel; 201, connecting plate; 202, lifting member; 203, mounting plate; 204, anti-slip spike; 301, asynchronous motor; 302, transmission member; 303, supporting member; 304, mounting cylinder; 305, supporting rod; 306, supporting plate; 307, cross bar; 308, abutment block; 309, connecting member; 310, diagonal rod. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 4 , the utility model provides a technical solution: Embodiment 1

[0027] A steel purlin support device for deep foundation pit construction of municipal engineering comprises a base plate 1, a movable structure is installed on the bottom surface of the base plate 1, stable structures are installed on the left and right sides of the movable structure, and a supporting structure is installed on the bottom surface of the base plate 1.

[0028] The support structure includes an adjustment unit and a support unit. The support unit includes a support rod 305. A support plate 306 is installed in the middle of the left side of the support rod 305. A mounting hole is opened in the middle of the left side of the support rod 305. A cross bar 307 is installed inside the mounting hole. An abutment block 308 is installed at one end of the cross bar 307 away from the support rod 305. A connecting piece 309 is installed in the middle of the bottom surface of the cross bar 307. An inclined rod 310 is installed in the middle of the connecting piece 309. The adjustment unit includes an asynchronous motor 301. The output end of the asynchronous motor 301 is connected to a transmission member 302. Support members 303 are installed at the left and right ends of the transmission member 302. A mounting cylinder 304 is installed at the top of the middle of the transmission member 302.

[0029] An installation groove is provided in the middle of the top surface of the installation cylinder 304 , and the bottom end of the outer surface of the support rod 305 is detachably connected to the inside of the installation groove provided in the middle of the top surface of the installation cylinder 304 . The end of the inclined rod 310 away from the connecting piece 309 abuts against the middle of the top surface of the support plate 306 .

[0030] By installing the supporting structure, utilizing the abutment between the abutment block 308 and the waist beam and the outer surface of the steel purlin, and the abutment between the diagonal rod 310 and the supporting plate 306, additional supporting force can be provided to assist in supporting the supporting structure and make it more stable.

[0031] When in use, after the anti-slip nail 204 is inserted into the ground by using the lifting member 202, the bottom plate 1 is raised to a suitable height by using the lifting member 202, and then the support rod 305 is inserted into the installation tube 304, and fixed by bolts, and the cross bar 307 is inserted into the through hole opened on the left side of the support rod 305, and then the asynchronous motor 301 is started to drive the transmission member 302 to rotate, and the transmission member 302 includes a threaded rod and a slider. The asynchronous motor 301 drives the threaded rod to rotate, and the threaded connection between the slider and the threaded rod can drive the installation tube 304 to move, thereby driving the abutment block 308 to abut against the waist beam and the steel purlin, and can provide auxiliary support for the force they bear, wherein the support members installed at both ends of the transmission member 302 include bearings and bearing plates, and the bottom end of the inclined rod 310 is abutted against the top surface of the support plate 306 by the movable connection between the inclined rod 310 and the connecting member 309, and the supporting force of the cross bar 307 is simultaneously provided with auxiliary support. Embodiment 2

[0032] On the basis of the first embodiment, the mobile structure includes a support leg 101, a slide cylinder 102 is installed in the middle of the bottom surface of the support leg 101, a slide column 103 is slidably connected to the bottom end of the slide cylinder 102, a spring 104 is connected to the bottom end of the slide cylinder 102, and a universal wheel 105 is installed at the bottom end of the slide column 103. The top of the support leg 101 is fixedly connected to the bottom surface of the base plate 1, and the end of the spring 104 away from the slide cylinder 102 is fixedly connected to the top of the universal wheel 105.

[0033] The stabilizing structure includes a connecting plate 201, a lifting member 202 is fixedly installed in the middle of the bottom surface of the connecting plate 201, a mounting plate 203 is fixedly installed at the bottom end of the lifting member 202, and an anti-slip spike 204 is fixedly installed in the middle of the bottom surface of the mounting plate 203. The connecting plate 201 is installed on the front and back ends of the left and right sides of the bottom plate 1, and an anti-slip ring is fixedly installed on the outer surface of the anti-slip spike 204.

[0034] By setting up the stable structure, the anti-slip nails 204 can be inserted into the ground using the lifting member 202 during use of the device, which can provide a stable support effect and prevent sliding when the device is used to support it.

[0035] The entire device can be moved by installing the universal wheel 105. After moving to a suitable position, the lifting member 202 is started to drive the mounting plate 203 to descend. The lifting member 202 includes a hydraulic cylinder and a hydraulic rod. Starting the hydraulic cylinder can drive the hydraulic rod to extend and retract, thereby pushing the mounting plate 203 down and inserting the anti-slip spikes 204 into the ground. The anti-slip ring on the outer surface of the anti-slip spikes 204 can stabilize them.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A steel purlin support device for deep foundation pit construction in municipal engineering, comprising a bottom plate (1), characterized in that: A movable structure is installed on the bottom surface of the base plate (1), a stabilizing structure is installed on the left and right sides of the movable structure, and a supporting structure is installed on the bottom surface of the base plate (1); The supporting structure comprises an adjusting unit and a supporting unit; The support unit comprises a support rod (305), a support plate (306) is installed in the middle of the left side of the support rod (305), a mounting hole is opened in the middle of the left side of the support rod (305), a cross bar (307) is installed inside the mounting hole, an abutment block (308) is installed at one end of the cross bar (307) away from the support rod (305), a connecting piece (309) is installed in the middle of the bottom surface of the cross bar (307), and an inclined rod (310) is installed in the middle of the connecting piece (309).

2. The steel purlin support device for deep foundation pit construction of municipal engineering according to claim 1 is characterized in that: The regulating unit comprises an asynchronous motor (301), the output end of the asynchronous motor (301) is connected to a transmission member (302), support members (303) are installed at the left and right ends of the transmission member (302), and a mounting cylinder (304) is installed at the top of the middle part of the transmission member (302).

3. The steel purlin support device for deep foundation pit construction of municipal engineering according to claim 2 is characterized by: A mounting groove is provided in the middle of the top surface of the mounting tube (304); the bottom end of the outer surface of the support rod (305) is detachably connected to the inside of the mounting groove provided in the middle of the top surface of the mounting tube (304); and the end of the inclined rod (310) away from the connecting piece (309) is in contact with the middle of the top surface of the support plate (306).

4. The steel purlin support device for deep foundation pit construction of municipal engineering according to claim 1 is characterized by: The mobile structure comprises a supporting leg (101), a slide cylinder (102) is installed in the middle of the bottom surface of the supporting leg (101), a slide column (103) is slidably connected to the bottom end of the slide cylinder (102), a spring (104) is connected to the bottom end of the slide cylinder (102), and a universal wheel (105) is installed at the bottom end of the slide column (103).

5. The steel purlin support device for deep foundation pit construction of municipal engineering according to claim 4 is characterized by: The top end of the support leg (101) is fixedly connected to the bottom surface of the base plate (1), and the end of the spring (104) away from the slide cylinder (102) is fixedly connected to the top end of the universal wheel (105).

6. The steel purlin support device for deep foundation pit construction of municipal engineering according to claim 1, characterized in that: The stabilizing structure comprises a connecting plate (201), a lifting member (202) is fixedly mounted in the middle of the bottom surface of the connecting plate (201), a mounting plate (203) is fixedly mounted at the bottom end of the lifting member (202), and an anti-slip spike (204) is fixedly mounted in the middle of the bottom surface of the mounting plate (203).

7. A steel purlin support device for deep foundation pit construction in municipal engineering according to claim 6, characterized in that: The connecting plate (201) is mounted on the front and back ends of the left and right sides of the bottom plate (1), and an anti-slip ring is fixedly mounted on the outer surface of the anti-slip spike (204).

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