CN109235450B

CN109235450B - Supporting frame for foundation pit of arched balance beam structure

Info

Publication number: CN109235450B
Application number: CN201811206829.1A
Authority: CN
Inventors: 李慧; 聂瑞峰; 孔锁财; 吴腾
Original assignee: Qingdao Ruiyuan Engineering Group Co Ltd
Current assignee: Qingdao Ruiyuan Engineering Group Co Ltd
Priority date: 2018-10-17
Filing date: 2018-10-17
Publication date: 2021-06-08
Anticipated expiration: 2038-10-17
Also published as: CN109235450A

Abstract

The invention discloses a supporting frame for a foundation pit with an arch-shaped balance beam structure, which comprises a foundation soil layer, wherein a groove is formed in the foundation soil layer, a protection box is arranged in the groove, a fixed block is fixed at the upper end of the protection box, fixed boxes are fixed on four side walls of the fixed block, an L-shaped plate is fixed at one end of each fixed box, the upper ends of the four L-shaped plates are erected at the upper end of the groove, the fixed block and the lower ends of the four fixed boxes are jointly fixed with the protection box, a rotating device is arranged in the protection box, an adjusting device is arranged in the fixed boxes, the rotating device and the adjusting device are connected with each other, and a connecting rod is arranged at the lower end of. The invention solves the problems of low efficiency, slow speed and long time consumption when the support frame is installed and disassembled, and simultaneously solves the problem that the support frame cannot be stably fixed when used in foundation pits with different sizes, thereby improving the stability of the support frame and simultaneously improving the working efficiency.

Description

Supporting frame for foundation pit of arched balance beam structure

Technical Field

The invention relates to the technical field of support frames for foundation pits, in particular to a support frame for a foundation pit with an arch-shaped balance beam structure.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. The person who is not excavated can use the method of putting the side slope to stabilize the earth slope, and the size of the slope is determined according to the relevant construction regulations. When a deeper foundation pit and a building adjacent to the deeper foundation pit are excavated, a foundation pit wall supporting method, a concrete-sprayed wall protecting method and a large foundation pit are used, and even an underground continuous wall and a columnar column type bored pile are used for interlocking, so that an outer soil layer is prevented from collapsing; for those who have no influence on nearby buildings, the underground water level can be reduced by a well point method, and slope releasing open cut is adopted; in cold regions, natural cold freezing method can be adopted for excavation and the like.

At present, in the engineering work progress, often use foundation ditch and support frame, however, current support frame for foundation ditch simple structure, the practicality is poor, the support frame can't drop into use according to the size of foundation ditch to cause the engineering progress to delay, inefficiency, simultaneously, can't stabilize fixedly in the support frame use, lead to constructor to take place danger easily when carrying out the operation, the inconvenient installation of current support frame and dismantlement moreover, for this reason, we have proposed the support frame for foundation ditch of arch formula compensating beam structure and have solved above-mentioned problem.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a supporting frame for a foundation pit with an arch-shaped balance beam structure.

In order to achieve the purpose, the invention adopts the following technical scheme:

a supporting frame for a foundation pit with an arch-shaped balance beam structure comprises a foundation soil layer, wherein a groove is formed in the foundation soil layer, a protection box is arranged in the groove, a fixed block is fixed at the upper end of the protection box, the lower end of the fixed block is welded at the upper end of the protection box, fixed boxes are fixed on four side walls of the fixed block, an L-shaped plate is fixed at one end of each fixed box, the L-shaped plate is made of carbon steel, the upper ends of the four L-shaped plates are erected at the upper end of the groove, the lower ends of the fixed block and the four fixed boxes are jointly fixed with the protection box, a rotating device is arranged in the protection box and comprises a first rotating rod which is rotatably connected to the bottom in the protection box, the upper end of the first rotating rod penetrates through the bottoms of the protection box and the fixed block and extends to the upper end of the fixed block, the fixed cover of going up of first dwang is equipped with first gear, bottom in the protection box is rotated and is connected with four second dwang, and the upper end of four second dwang runs through the bottom of protection box and four fixed boxes respectively and extends to in the fixed box, the fixed cover of going up of second dwang is equipped with the second gear, first gear is located four second gear middle parts, and four second gears all intermesh with first gear, the upper end of second dwang is fixed with second bevel gear, and second bevel gear and adjusting device interconnect, be equipped with adjusting device in the fixed box, adjusting device includes four screw rods that rotate respectively and connect between the relative lateral wall in four fixed boxes, the top in the fixed box is equipped with the spout, install the slider in the spout, be equipped with the screw thread through-hole on the slider, and the screw rod runs through the screw thread through-hole, the screw rod is fixedly sleeved with first conical gears, the four first conical gears are respectively meshed with the four second conical gears, the upper end of each connecting rod is rotatably connected to the lower end of the corresponding sliding block, the rotating device and the adjusting device are connected with each other, the lower end of the adjusting device is provided with a connecting rod, the lower end of each fixing box is provided with an opening, the lower end of each connecting rod penetrates through the opening and extends to the lower end of the corresponding fixing box, one side of the lower end of each fixing box is rotatably connected with a vertical rod, the lower end of each vertical rod is fixedly provided with a rotating plate, the lower ends of the four connecting rods are respectively rotatably connected to one side of the four rotating plates, one side of each rotating plate is detachably connected with a protection plate, one side of each protection plate is abutted to one end side wall in the corresponding groove, the upper ends of the two, equidistant a plurality of horizontal poles of being fixed with between two guardrails, the upper end of guardrail is fixed with the lug, be equipped with four second through-holes in the backup pad, wherein the upper end of two fixed boxes all is equipped with two first screw thread blind holes that correspond with the second through-hole, run through in the second through-hole and be equipped with the second screw, the one end of second screw extends to in the first screw thread blind hole, be equipped with four first through-holes on the rotor plate, one side of backplate is equipped with four second screw thread blind holes that correspond with first through-hole, run through in the first through-hole and be equipped with first screw, the one end of first screw extends to in the second screw thread blind hole.

In the invention, when in use, the guardrail is lifted by using a lifting machine and the lifting lugs and then placed in the foundation soil layer, then four L-shaped plates are erected on the groove, then the rotating wheel is rotated, the rotating wheel drives the first rotating rod to rotate when rotating, the first rotating rod drives the first gear to rotate, the first gear drives the four second gears to rotate, the second gear drives the second rotating rod to rotate when rotating, the second rotating rod drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the first bevel gear drives the screw to rotate, the screw rotates to drive the sliding block to slide in the chute, the sliding block drives the connecting rod to move when moving, the connecting rod drives the rotating plate to move, the rotating plate drives the guard plate to move when moving, thereby conveniently adjusting the inclination angle of the guard plate and abutting the guard plate on the side wall in the groove, thereby the stability of the guardrail is achieved.

Compared with the prior art, the invention has the beneficial effects that:

1. the problem that the support cannot be stably fixed when the support frame is used in different foundation pits is solved through the matching of the L-shaped plate, the connecting rod, the rotating plate, the protective plate, the screw rod and the sliding block, the sliding block is driven to move by the movement of the screw rod, the connecting rod is driven to move by the movement of the sliding block, and the function of stably fixing the support frame is realized;

2. the first screw, the second screw and the support plate are matched, so that the problem that the support frame is inconvenient to mount and dismount is solved, the mounting and dismounting efficiency of the support frame is improved, and the time is saved;

in conclusion, the device has solved when carrying out support frame installation and dismantlement inefficiency, and speed is slow, problem of consuming time for a long time, has also solved simultaneously when using the support frame in the not foundation ditch of equidimension, can not stably fix the problem, has improved the stability of support frame, has also improved work efficiency simultaneously.

Drawings

Fig. 1 is a mounting state diagram of a support frame for a foundation pit of an arch-shaped balance beam structure according to the invention;

fig. 2 is a schematic view of an internal structure of a support frame for a foundation pit of an arch-shaped balance beam structure according to the present invention;

fig. 3 is an external structural schematic view of a support frame for a foundation pit of an arch-shaped balance beam structure according to the present invention;

fig. 4 is a schematic structural view of a first gear of a support frame for a foundation pit of an arch-shaped balance beam structure according to the present invention;

fig. 5 is a top view of a supporting frame fixing box for a foundation pit of an arch-shaped balance beam structure according to the present invention;

fig. 6 is a top view of a support frame guardrail for a foundation pit of an arch-shaped balance beam structure according to the invention;

fig. 7 is an enlarged view of a support frame for a foundation pit of an arch-shaped balance beam structure according to the present invention at a position a;

fig. 8 is an enlarged view of a support frame for a foundation pit of an arch-shaped balance beam structure according to the present invention at position B;

fig. 9 is an enlarged view of a support frame for a foundation pit of an arched balance beam structure according to the present invention at position C.

In the figure: the device comprises a lifting lug, a rotating wheel, a guardrail, a 4 fixing box, a 5L-shaped plate, a 6 vertical rod, a 7 rotating plate, a 8 connecting rod, a 9 protective plate, a 10 foundation layer, a 11 protecting box, a 12 fixing block, a 13 supporting plate, a 14 first rotating rod, a 15 screw rod, a 16 first gear, a 17 second gear, an 18 opening, a 19 sliding block, a 20 first conical gear, a 21 sliding groove, a 22 first through hole, a 23 first threaded blind hole, a 24 first screw, a 25 cross rod, a 26 second screw, a 27 second conical gear and a 28 groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-9, a supporting frame for foundation pit of arch type balance beam structure, comprising a foundation soil layer 10, a groove 28 arranged on the foundation soil layer 10, a protection box 11 arranged in the groove 28, a fixed block 12 fixed on the upper end of the protection box 11, a fixed box 4 fixed on the four side walls of the fixed block 12, an L-shaped plate 5 fixed on one end of the fixed box 4, and the upper ends of the four L-shaped plates 5 erected on the upper end of the groove 28, the protection box 11 erected on the groove 28 for easy installation and disassembly, the fixed block 12 and the lower ends of the four fixed boxes 4 jointly fixed with the protection box 11, a rotating device arranged in the protection box 11, an adjusting device arranged in the fixed box 4, and the rotating device and the adjusting device connected with each other, a connecting rod 8 arranged on the lower end of the adjusting device, an opening 18 arranged on the lower end of the fixed box 4, the lower end of the connecting rod 8, a vertical rod 6 is rotatably connected to one side of the lower end of the fixed box 4, a rotating plate 7 is fixed to the lower end of the vertical rod 6, the rotating plate 7 is driven to move by the movement of the vertical rod 6, the lower ends of the four connecting rods 8 are respectively rotatably connected to one side of the four rotating plates 7, the rotating device rotates to drive the adjusting device to move, the adjusting device moves to drive the connecting rods 8 to move, and the connecting rods 8 move to drive the vertical rod 6 to move, so that the angle of the rotating plate 7 is adjusted;

one side of rotor plate 7 can be dismantled and be connected with backplate 9, be convenient for protect and fixed, and one side of backplate 9 is contradicted on the one end lateral wall in recess 28, wherein two fixed boxes 4 and fixed block 12's upper end can be dismantled jointly and be connected with backup pad 13, play the effect of support, the upper end both sides of backup pad 13 all are fixed with guardrail 3, play the effect of protection, guardrail 3's upper end is fixed with lug 1, conveniently lift by crane, L template 5 adopts the carbon steel material to make, equidistant a plurality of horizontal poles 25 that are fixed with between two guardrails 3, the stability of guardrail 3 has been improved, the lower extreme welding of fixed block 12 is in the upper end of protection box 11, utilize backplate 9's removal, the convenience is fixed the position of protection box 11 in the recess 28 of equidimension.

In the invention, the rotating device comprises a first rotating rod 14 which is rotatably connected with the bottom in the protection box 11, the upper end of the first rotating rod 14 penetrates through the bottoms of the protection box 11 and the fixed block 12 and extends to the upper end of the fixed block 12, a rotating wheel 2 is fixed at the upper end of the first rotating rod 14, the rotating wheel 2 rotates to drive the first rotating rod 14 to rotate, a first gear 16 is fixedly sleeved on the first rotating rod 14, the first rotating rod 14 rotates to drive the first gear 16 to rotate, the bottom in the protection box 11 is rotatably connected with four second rotating rods, the upper ends of the four second rotating rods respectively penetrate through the bottoms of the protection box 11 and the four fixed boxes 4 and extend into the fixed boxes 4, a second gear 17 is fixedly sleeved on the second rotating rod, the second gear 17 rotates to drive the second rotating rod to rotate, the first gear 16 is positioned in the middle parts of the four second gears 17, and the four second gears 17 are all meshed with the first gear, the first gear 16 rotates to drive the second gear 17 to rotate, a second bevel gear 27 is fixed at the upper end of the second rotating rod, the second bevel gear 27 is connected with the adjusting device, the second rotating rod rotates to drive the second bevel gear 27 to rotate, the adjusting device is driven to move by the rotation of the second bevel gear 27, and therefore power is provided for the adjusting device.

In the invention, the adjusting device comprises four screw rods 15 which are respectively and rotatably connected between opposite side walls in four fixed boxes 4, a sliding groove 21 is arranged at the top in each fixed box 4, a sliding block 19 is arranged in each sliding groove 21, a threaded through hole is formed in each sliding block 19, each screw rod 15 penetrates through the threaded through hole, each screw rod 15 rotates to drive each sliding block 19 to move, first conical gears 20 are fixedly sleeved on the screw rods 15, the four first conical gears 20 are respectively and mutually meshed with four second conical gears 27, the upper end of each connecting rod 8 is rotatably connected to the lower end of each sliding block 19, each second conical gear 27 rotates to drive each first conical gear 20 to rotate, each first conical gear 20 rotates to drive each screw rod 15 to rotate, and further drives each sliding block 19 to move, and.

In the invention, four second through holes are arranged on the supporting plate 13, two first threaded blind holes 23 corresponding to the second through holes are respectively arranged at the upper ends of the two fixing boxes 4, second screws 26 penetrate through the second through holes, and one ends of the second screws 26 extend into the first threaded blind holes 23, so that the mounting and dismounting are convenient, and the mounting and dismounting efficiency is improved.

In the invention, the rotating plate 7 is provided with four first through holes 22, one side of the guard plate 9 is provided with four second threaded blind holes corresponding to the first through holes 22, the first through holes 22 are internally provided with first screws 24 in a penetrating way, and one ends of the first screws 24 extend into the second threaded blind holes, so that the tightness of the guard plate 9 and the rotating plate 7 is improved, and the time consumed in mounting and dismounting the guard plate 9 can be saved.

In the invention, when in use, a lifting machine and a lifting lug 1 are utilized to lift a guardrail 3, then the guardrail is placed in a foundation soil layer 10, then four L-shaped plates 5 are erected on a groove 28, then a rotating wheel 2 is rotated, the rotating wheel 2 drives a first rotating rod 14 to rotate when rotating, the first rotating rod 14 drives a first gear 16 to rotate, the first gear 16 drives four second gears 17 to rotate, the second gear 17 drives a second rotating rod to rotate when rotating, the second rotating rod drives a second bevel gear 27 to rotate, the second bevel gear 27 drives a first bevel gear 20 to rotate, the first bevel gear 20 drives a screw 15 to rotate, the screw 15 drives a sliding block 19 to slide in a sliding groove 21, the connecting rod 8 is driven to move when the sliding block 19 moves, the connecting rod 8 drives a rotating plate 7 to move, and the guard plate 9 is driven to move when the rotating plate 7 moves, thereby facilitating the adjustment of the angle of inclination of the guard plate 9 and the interference of the guard plate 9 against the side wall in the recess 28, and thus improving the stability of the guardrail 3.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a support frame for foundation ditch of arch formula compensating beam structure, includes foundation soil layer (10), its characterized in that: be equipped with recess (28) on basic soil layer (10), be equipped with protection box (11) in recess (28), the upper end of protection box (11) is fixed with fixed block (12), the lower extreme welding of fixed block (12) is in the upper end of protection box (11), all be fixed with fixed box (4) on four lateral walls of fixed block (12), the one end of fixed box (4) is fixed with L template (5), L template (5) adopt the carbon steel material to make, and the upper end of four L templates (5) all erects the upper end in recess (28), the lower extreme of fixed block (12) and four fixed boxes (4) is fixed with protection box (11) jointly, be equipped with rotating device in protection box (11), rotating device is including rotating first rotation pole (14) of connecting the bottom in protection box (11), the upper end of first rotation pole (14) runs through the bottom of protection box (11) and fixed block (12) and extends to fixed block (12) The upper end of (2), the upper end of first dwang (14) is fixed with rotates wheel (2), fixed cover is equipped with first gear (16) on first dwang (14), bottom in protection box (11) is rotated and is connected with four second dwang, and the upper end of four second dwang runs through the bottom of protection box (11) and four fixed boxes (4) respectively and extends to in fixed box (4), fixed cover is equipped with second gear (17) on the second dwang, first gear (16) are located four second gear (17) middle parts, and four second gear (17) all with first gear (16) intermeshing, the upper end of second dwang is fixed with second bevel gear (27), and second bevel gear (27) and adjusting device interconnect, be equipped with adjusting device in fixed box (4), adjusting device includes four screw rods (15) of rotating connection respectively between the relative lateral wall in four fixed boxes (4), the top in the fixed box (4) is provided with a sliding groove (21), a sliding block (19) is installed in the sliding groove (21), a thread through hole is formed in the sliding block (19), a screw rod (15) penetrates through the thread through hole, a first bevel gear (20) is fixedly installed on the screw rod (15), four first bevel gears (20) are meshed with four second bevel gears (27) respectively, the upper end of a connecting rod (8) is rotatably connected to the lower end of the sliding block (19), the rotating device is connected with an adjusting device, the lower end of the adjusting device is provided with a connecting rod (8), the lower end of the fixed box (4) is provided with an opening (18), the lower end of the connecting rod (8) penetrates through the opening (18) and extends to the lower end of the fixed box (4), one side of the lower end of the fixed box (4) is rotatably connected with a vertical rod (6), the lower end of the vertical rod (6) is fixed with, the lower ends of four connecting rods (8) are respectively rotatably connected to one side of four rotating plates (7), one side of each rotating plate (7) is detachably connected with a guard plate (9), one side of each guard plate (9) is abutted to one end side wall in a groove (28), the upper ends of two fixed boxes (4) and fixed blocks (12) are jointly detachably connected with a supporting plate (13), two sides of the upper end of the supporting plate (13) are respectively fixed with a guardrail (3), a plurality of cross rods (25) are fixed between the two guardrails (3) at equal intervals, the upper ends of the guardrails (3) are fixed with lifting lugs (1), the supporting plate (13) is provided with four second through holes, the upper ends of the two fixed boxes (4) are respectively provided with two first threaded blind holes (23) corresponding to the second through holes, second screws (26) penetrate through the second through holes, one ends of the second screws (26) extend into the first threaded blind holes (23), be equipped with four first through-holes (22) on rotor plate (7), one side of backplate (9) is equipped with four second screw thread blind holes that correspond with first through-hole (22), run through in first through-hole (22) and be equipped with first screw (24), the one end of first screw (24) extends to in the second screw thread blind hole.