CN217267504U

CN217267504U - Pit operation protection device for engineering construction

Info

Publication number: CN217267504U
Application number: CN202220147343.0U
Authority: CN
Inventors: 逯子豪; 齐荣贵; 赵鹏明; 赵建龙
Original assignee: Shanxi Branch Of China Coal First Bureau Group Co ltd
Current assignee: Shanxi Branch Of China Coal First Bureau Group Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-08-23
Anticipated expiration: 2032-01-19

Abstract

The utility model provides a pit operation protective device for engineering construction, which comprises a protective plate, wherein the outer walls of two sides of the protective plate are respectively and fixedly provided with a first supporting column and a second supporting column, cavities are respectively arranged in the first supporting column and the second supporting column, a positioning component for fixing the supporting columns for the second time is arranged in the cavities, a fixed pair is fixedly arranged on the outer wall of the first supporting column, and a connecting pair connected with the fixed pair arranged on the other protective device is fixedly arranged on the outer wall of the second supporting column; the protection plate is provided with a plurality of fixing components for fixing the protection plate. A pit operation protector for engineering construction structure nimble, the dismouting of being convenient for is used, convenient transportation and deposit, but reuse has reduced use cost, avoids causing the waste of resource.

Description

Engineering construction is with pit operation protector

Technical Field

The utility model belongs to engineering construction pit operation protection field especially relates to a pit operation protector for engineering construction.

Background

The deep foundation pit is a project with a base area not more than 27 square meters, a long edge of the base surface less than three times of a short edge, an excavation depth more than 5 meters (including 5 meters) or more than three layers (including three layers) of a basement, or a depth not more than 5 meters, but geological conditions, surrounding environments and underground pipelines are particularly complex, a foundation pit safety protection system is a temporary structure and is built in the foundation pit construction process, and the foundation pit safety protection system can be dismantled after construction is completed, and the safety of constructors is mainly guaranteed. In the prior art, in the deep foundation pit construction process, because the shared space of safety device is great, lead to influencing constructor and construct, reduce the efficiency of construction.

The above-mentioned problem is improved in the prior art, and chinese patent publication No. CN211228529U discloses a deep foundation pit supporting device, which includes: deep basal pit guard flap, it erects baffle and support horizontal baffle including supporting, and deep basal pit guard flap's top welded fastening has the horizontal baffle of support, and supports horizontal baffle and deep basal pit guard flap welded connection, and one side welding of deep basal pit guard flap has the support to erect the baffle, supports and erects baffle and deep basal pit guard flap welded connection, and deep basal pit guard flap's opposite side is provided with the support check dog, and supports check dog and deep basal pit guard flap welded connection. However, the device has the following problems that the connection between the deep foundation pit supporting device and the ground fixing part is not stable enough, the deep foundation pit supporting device is easy to collapse, soil layers collapse, the life safety and construction equipment of construction personnel are damaged, the use cost is high, all the parts are connected in a welding manner, the integral structure is integrated, the installation efficiency is low, the disassembly is inconvenient, and the improvement is needed; therefore, this patent application provides a pit operation protector for engineering construction.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an engineering construction is with pit operation protector to it is firm inadequately to solve to connect between deep basal pit supporting device and the ground fixed part, collapses easily, causes the soil layer to collapse, endangers constructor's life safety and construction equipment's problem.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a pit operation protection device for engineering construction comprises a protection plate, wherein a first support column and a second support column are fixedly arranged at two ends of the protection plate respectively, cavities are formed in the first support column and the second support column, a positioning assembly for fixing the support columns for the second time is arranged in each cavity, a fixing pair is fixedly arranged on the outer wall of the first support column, and a connecting pair connected with the fixing pair arranged on the other protection device is fixedly arranged on the outer wall of the second support column;

the protection plate is provided with a plurality of fixing components for fixing the protection plate on the inner wall of the pit.

Further, the first support column and the second support column are identical in structure, the first support column comprises a fixing portion, the bottom fixing portion of the fixing portion is provided with a connecting portion, the fixing portion and the connecting portion are of a square structure, cavities are arranged in the fixing portion and the connecting portion, the bottom of the fixing portion is provided with a communicating hole communicated with the cavities arranged in the connecting portion, and the bottom fixing portion of the connecting portion is provided with a first drill bit.

Furthermore, the positioning assembly comprises a first screw rod, the first screw rod is correspondingly arranged in the cavity, the top end of the first screw rod is rotatably connected with the top wall of the fixing part, the bottom end of the first screw rod is rotatably connected with the bottom end of the connecting part, and a driven bevel gear is fixedly arranged on the first screw rod positioned in the cavity of the fixing part;

a mounting hole is formed in one side wall of the fixing part, an operating rod is arranged in the mounting hole, a driving bevel gear is fixedly arranged at one end of the operating rod positioned in the cavity, the driving bevel gear is meshed with a driven bevel gear, and a rotating handle is fixedly arranged at the other end of the operating rod;

and a positioning mechanism is arranged on the first screw rod positioned in the cavity of the connecting part, and a through hole for the positioning mechanism to act is formed in the side wall of the connecting part.

Furthermore, the positioning mechanism comprises a fixed sleeve ring and a sliding ring, the sliding ring is positioned above the fixed sleeve ring, a through hole for the first screw rod to pass through is formed in the inner side of the fixed sleeve ring, the fixed sleeve ring is sleeved on the first screw rod, the outer wall of the fixed sleeve ring is fixedly connected with the inner wall of the connecting part, an internal thread matched with the external thread formed on the first screw rod is formed in the inner side of the sliding ring, and the sliding ring is in threaded connection with the first screw rod;

the outer wall of the fixed lantern ring is hinged with two groups of first connecting plates, the outer wall of the sliding ring is hinged with two groups of second connecting plates, and each group of second connecting plates are correspondingly hinged with the second connecting plates at the same side;

through holes for the first connecting plate and the second connecting plate to act are formed in two side walls of the connecting part.

Furthermore, a plurality of internal thread holes are formed in the protection plate, and each group of fixing assemblies are correspondingly arranged in the internal thread holes;

the structure of each group of fixed assemblies is the same, each fixed assembly comprises a second screw rod, the external threads on the second screw rods are in threaded connection with the internal thread holes in the protection plates, the end part of one end of the second screw rod is fixedly provided with a second drill bit, and the end part of the other end of the second screw rod is fixedly provided with a conical handle.

Furthermore, a positioning groove for installing the connecting pair is formed in the fixing pair, and a plurality of groups of penetrating connecting holes I are formed in the side wall of the fixing pair.

Furthermore, a plurality of groups of connecting holes II corresponding to the connecting holes I are arranged on the connecting pair, and the connecting pair is fixedly connected with a fixed pair arranged on the other protective device through bolts.

Compared with the prior art, a pit operation protector for engineering construction have following beneficial effect:

(1) the pit operation protection device for engineering construction is characterized in that support columns are respectively fixedly arranged on two sides of a protection plate, and the bottom of the protection plate can be fixed by arranging a positioning component in the inner cavity of each support column; the fixing assembly arranged on the side wall of the protection plate can be used for fixing the side part of the protection plate, so that the protection plate can support the side wall of the deep foundation pit, the device is stable in structure, the deep foundation pit is not prone to collapse, the safety of the deep foundation pit is improved, the normal work of workers is ensured, and the protection effect on the workers is improved;

(2) a deep pit operation protector for engineering construction structure nimble, the dismouting of being convenient for is used, convenient transportation and depositing, but reuse has reduced use cost, avoids causing the waste of resource.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of an overall structure of a pit operation protection device for engineering construction according to an embodiment of the present invention;

fig. 2 is a plan sectional view of a second supporting column and a positioning assembly according to an embodiment of the present invention;

fig. 3 is a front view of a fixing assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of an a-a section installation of a pit operation protection device for engineering construction according to an embodiment of the present invention.

Description of reference numerals:

1. a protection plate; 2. a first supporting column; 201. a fixed part; 202. a connecting portion; 203. a first drill bit; 3. a second supporting column; 4. a positioning assembly; 401. a first screw rod; 402. a driven bevel gear; 403. a joystick; 404. a drive bevel gear; 405. rotating the handle; 406. a fixed collar; 407. a slip ring; 408. a first connecting plate; 409. a second connecting plate; 5. a fixed pair; 501. a first connecting hole; 6. a connecting pair; 601. a second connecting hole; 7. a fixing assembly; 701. a second screw; 702. a second drill bit; 703. a tapered handle.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1, the pit operation protection device for engineering construction comprises a protection plate 1, wherein two ends of the protection plate 1 are respectively and fixedly provided with a first support column 2 and a second support column 3, cavities are respectively arranged in the first support column 2 and the second support column 3, a positioning assembly 4 for fixing the support columns for the second time is arranged in each cavity, a fixed pair 5 is fixedly arranged on the outer wall of the first support column 2, and a connecting pair 6 connected with the fixed pair 5 arranged on the other protection device is fixedly arranged on the outer wall of the second support column 3; the first supporting column 2 and the second supporting column 3 are arranged on the two sides of the protection plate 1, the bottom end of the protection plate 1 is fixed by using foreign objects, the positioning assemblies 4 are arranged in cavities of the first supporting column 2 and the second supporting column 3 respectively, an operator can operate the positioning assemblies 4 to realize secondary fixing of the first supporting column 2 and the second supporting column 3, and the fixing stability of the protection plate 1 is improved;

the protection plate 1 is provided with a plurality of fixing components 7 for fixing the protection plate on the inner wall of the pit; through set up fixed subassembly 7 on the lateral wall at guard plate 1, utilize fixed subassembly 7 to insert to the inner wall of deep basal pit on, realize guard plate 1 to the support of deep basal pit inner wall, make the deep basal pit be difficult for collapsing, improve the security of deep basal pit.

As shown in fig. 2, the first support pillar 2 and the second support pillar 3 have the same structure, the first support pillar 2 includes a fixing portion 201, a connecting portion 202 is fixedly disposed at the bottom end of the fixing portion 201, the fixing portion 201 and the connecting portion 202 are both square structures, the circumference of the fixing portion 201 is larger than that of the connecting portion 202, cavities are disposed in both the fixing portion 201 and the connecting portion 202, a communication hole communicated with the cavity disposed in the connecting portion 202 is disposed at the bottom end of the fixing portion 201, and a first drill bit 203 is fixedly disposed at the bottom end of the connecting portion 202; connecting portion 202 and fixed part 201 fixed connection form the cavity body that is used for holding locating component 4, and the bottom of fixed part 201 carries on spacingly to locating component 4, prevents in locating component 4 breaks away from the cavity of connecting portion 202, influences the normal stretching out in the through hole that locating component 4 was equipped with from connecting portion 202, sets up drill bit 203 in the bottom of connecting portion 202, can make things convenient for the support column bottom to insert to ground, the fixed of the guard plate 1 of being convenient for.

As shown in fig. 2, the positioning assembly 4 includes a first screw 401, the first screw 401 is correspondingly disposed in the cavity, the top end of the first screw 401 is rotatably connected to the top wall of the fixing portion 201 through a bearing, the bottom end of the first screw 401 is rotatably connected to the bottom end of the connecting portion 202 through a bearing, and a driven bevel gear 402 is fixedly disposed on the first screw 401 located in the cavity of the fixing portion 201;

a placing hole is formed in one side wall of the fixing part 201, an operating rod 403 is arranged in the placing hole, a driving bevel gear 404 is fixedly arranged at one end of the operating rod 403 positioned in the cavity, the driving bevel gear 404 is in meshed connection with a driven bevel gear 402, and a rotating handle 405 is fixedly arranged at the other end of the operating rod;

a positioning mechanism is arranged on a first screw 401 positioned in the cavity of the connecting part 202, and a through hole for the positioning mechanism to act is arranged on the side wall of the connecting part 202;

when an operator rotates the rotating handle 405 by using a foreign object, the driving bevel gear 404 drives the driven bevel gear 402 to drive the first screw 401 to rotate, so that the positioning mechanism acts.

The positioning mechanism comprises a fixed sleeve ring 406 and a sliding ring 407, the sliding ring 407 is positioned above the fixed sleeve ring 406, a through hole for the first screw rod 401 to pass through is formed in the inner side of the fixed sleeve ring 406, the fixed sleeve ring 406 is sleeved on the first screw rod 401, the outer wall of the fixed sleeve ring 406 is fixedly connected with the inner wall of the connecting part 202, an internal thread matched with the external thread formed on the first screw rod 401 is formed in the inner side of the sliding ring 407, and the sliding ring 407 is in threaded connection with the first screw rod;

two groups of first connecting plates 408 are hinged to the outer wall of the fixed lantern ring 406, two groups of second connecting plates 409 are hinged to the outer wall of the sliding ring 407, and each group of first connecting plates 408 are correspondingly hinged to the second connecting plates 409 at the same side position; in the technical scheme, the first connecting plate 408 and the second connecting plate 409 are made of high-strength connecting plates, and when the sliding ring 407 moves downwards along the screw rod and the connecting plates penetrate through the through holes and extend into soil, the situation that the connecting plates deform due to extrusion is avoided;

through holes for the action of the first connecting plate 408 and the second connecting plate 409 are formed in two side walls of the connecting part 202;

when the first screw 401 rotates, the sliding ring 407 can move up and down along the first screw 401, the fixed lantern ring 406 does not move up and down along with the rotation of the first screw 401, the first connecting plate 408 and the second connecting plate 409 are driven to move up and down at the moment, and the first connecting plate 408 and the second connecting plate 409 freely extend out of the through holes, so that secondary fixing of the first support column 2 and the second support column 3 is achieved.

A plurality of internal thread holes are formed in the protection plate 1, and each group of fixing assemblies 7 is correspondingly arranged in the internal thread holes;

as shown in fig. 3, each group of fixing assemblies 7 has the same structure, each fixing assembly 7 comprises a second screw 701, an external thread arranged on the second screw 701 is in threaded connection with an internal thread hole arranged on the protection plate 1, a second drill bit 702 is fixedly arranged at one end of the second screw 701, the diameter of the second drill bit 702 is larger than the diameter of the internal thread hole arranged on the protection plate 1, so that the fixing assembly 7 is always positioned in the internal thread hole arranged on the protection plate 1 in the assembling and disassembling process, the fixing assembly 7 is prevented from being lost in the assembling and disassembling process, and the other end of the second screw 701 is fixedly provided with a tapered handle 703;

through set up a plurality of screw holes on the lateral wall at guard plate 1, operating personnel can control toper handle 703 and realize that the drill bit runs through the screw hole and stretches into in the lateral wall of deep basal pit, realizes supporting the lateral wall of guard plate 1 to deep basal pit.

The fixed pair 5 is provided with a positioning groove for mounting the connecting pair 6, and the side wall of the fixed pair 5 is provided with a plurality of groups of penetrating connecting holes I501.

The connecting pair 6 is correspondingly arranged in a positioning groove arranged on the fixed pair 5, a plurality of groups of connecting holes II 601 corresponding to the connecting holes I501 are arranged on the connecting pair 6, and the connecting pair 6 is fixedly connected with the fixed pair 5 arranged on the other protective device through bolts;

when a plurality of pit operation protection devices for engineering construction are required to be connected side by side, the fixing pairs 5 on different protection plates 1 can be clamped and connected with the connecting pairs 6, the fixing pairs 5 are fixedly connected with the connecting pairs 6 through bolts, the operation is convenient, and the assembly and disassembly are rapid.

When the device is required to be installed in a deep foundation pit, as shown in fig. 4, the first drill bit 203 and the support column are inserted into the ground in the deep foundation pit through a foreign object, an operator rotates the rotating handle 405 through the foreign object to drive the driving bevel gear 404 to rotate, the driving bevel gear 404 drives the driven bevel gear 402 to rotate to drive the first screw 401 to rotate, at the moment, the sliding ring 407 moves up and down along the first screw 401 to push the two groups of first connecting plates 408 and second connecting plates 409 fixedly arranged on the sliding ring 407 to extend out of the through holes, so that secondary fixing of the support column is realized, and the bottom fixing support of the protection plate 1 is effectively improved; meanwhile, an operator operates the conical handle 703, and the second drill bit 702 is inserted into the inner wall of the deep foundation pit along the threaded hole, so that the support of the protection plate 1 on the side wall of the deep foundation pit can be effectively improved, the side wall of the deep foundation pit is prevented from collapsing, and the safety of the deep foundation pit is improved;

when the device is disassembled, the conical handle 703 of the fixing component 7 is rotated, the fixing component 7 is screwed out from the side wall of the deep foundation pit, then the rotating handle 405 is rotated to drive the first connecting plate 408 and the second connecting plate 409 to retract into the cavity from the through hole, and the first supporting column 2 and the second supporting column 3 are pulled out at the same time, so that the device can be disassembled;

if there are a plurality of sets of the devices connected with each other, the bolts on the fixing pair 5 and the connecting pair 6 of each device need to be detached firstly.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a deep pit operation protector for engineering construction which characterized in that: the protective device comprises a protective plate (1), wherein a first support column (2) and a second support column (3) are fixedly arranged at two ends of the protective plate (1) respectively, cavities are formed in the first support column (2) and the second support column (3), a positioning component (4) for fixing the support columns for the second time is arranged in the cavity, a fixing pair (5) is fixedly arranged on the outer wall of the first support column (2), and a connecting pair (6) connected with the fixing pair (5) arranged on the other protective device is fixedly arranged on the outer wall of the second support column (3);

the protection plate (1) is provided with a plurality of fixing components (7) for fixing the protection plate on the inner wall of the pit.

2. The pit operation protection device for engineering construction according to claim 1, wherein: the structure of the first support column (2) is the same as that of the second support column (3), the first support column (2) comprises a fixing portion (201), a connecting portion (202) is arranged at the bottom end of the fixing portion (201), the fixing portion (201) and the connecting portion (202) are of square structures, cavities are arranged in the fixing portion (201) and the connecting portion (202), communicating holes communicated with the cavities arranged in the connecting portion (202) are formed in the bottom end of the fixing portion (201), and a first drill bit (203) is arranged at the bottom end of the connecting portion (202).

3. The pit operation protection device for engineering construction according to claim 2, wherein: the positioning assembly (4) comprises a first screw (401), the first screw (401) is correspondingly arranged in the cavity, the top end of the first screw (401) is rotatably connected with the top wall of the fixing part (201), the bottom end of the first screw (401) is rotatably connected with the bottom end of the connecting part (202), and a driven bevel gear (402) is fixedly arranged on the first screw (401) in the cavity of the fixing part (201);

a placing hole is formed in one side wall of the fixing part (201), an operating rod (403) is arranged in the placing hole, a driving bevel gear (404) is fixedly arranged at one end of the operating rod (403) positioned in the cavity, the driving bevel gear (404) is meshed and connected with the driven bevel gear (402), and a rotating handle (405) is fixedly arranged at the other end of the operating rod;

a positioning mechanism is arranged on the first screw rod (401) positioned in the cavity of the connecting part (202), and a through hole for the positioning mechanism to act is formed in the side wall of the connecting part (202).

4. The pit operation protection device for engineering construction according to claim 3, wherein: the positioning mechanism comprises a fixed sleeve ring (406) and a sliding ring (407), the sliding ring (407) is located above the fixed sleeve ring (406), a through hole for the first screw (401) to pass through is formed in the inner side of the fixed sleeve ring (406), the fixed sleeve ring (406) is sleeved on the first screw (401), the outer wall of the fixed sleeve ring (406) is fixedly connected with the inner wall of the connecting part (202), an internal thread matched with the external thread formed on the first screw (401) is formed in the inner side of the sliding ring (407), and the sliding ring (407) is in threaded connection with the first screw;

two groups of first connecting plates (408) are hinged to the outer wall of the fixed lantern ring (406), two groups of second connecting plates (409) are hinged to the outer wall of the sliding ring (407), and each group of first connecting plates (408) are correspondingly hinged to the second connecting plates (409) at the same side position;

through holes for the action of the first connecting plate (408) and the second connecting plate (409) are arranged on two side walls of the connecting part (202).

5. The pit operation protection device for engineering construction according to claim 4, wherein: a plurality of internal thread holes are formed in the protection plate (1), and each group of fixing assemblies (7) is correspondingly arranged in the internal thread holes;

the structure of each group of fixing components (7) is the same, each fixing component (7) comprises a second screw rod (701), the external threads arranged on the second screw rods (701) are in threaded connection with the protection plate (1) through the internal thread holes, the end part of one end of each second screw rod (701) is fixedly provided with a second drill bit (702), and the end part of the other end of each second screw rod (701) is fixedly provided with a conical handle (703).

6. The pit operation protection device for engineering construction according to claim 1, wherein: the fixed pair (5) is provided with a positioning groove for mounting the connecting pair (6), and the side wall of the fixed pair (5) is provided with a plurality of groups of through connecting holes I (501).

7. The pit operation protection device for engineering construction according to claim 1, wherein: a plurality of groups of connecting holes II (601) corresponding to the connecting holes I (501) are arranged on the connecting pair (6), and the connecting pair (6) is fixedly connected with a fixing pair (5) arranged on the other protection device through a bolt.