阅读说明：本技术 一种工程建设施工用防护装置 (Protector is used in engineering construction ) 是由 刘洋 于 2021-09-05 设计创作，主要内容包括：本发明涉及工程施工防护技术领域,具体的说是一种工程建设施工用防护装置,包括固定机构,与电梯井口连接的所述固定机构上连接有第二固定杆,所述固定机构上安装有支撑机构,所述第二固定杆上设有与支撑机构连接的调节机构,所述支撑机构上安装有防护机构,所述支撑机构上安装有加固机构,所述第二固定杆上安装有警示机构；固定机构上安装有支撑机构,且第二固定杆上安装有与支撑机构连接的调节机构,将支撑机构安装到固定机构上后可以旋转调节机构对支撑机构进行下降,直到支撑机构的末端与电梯井内部墙壁抵触,不需要多个工作员配合安装,且可以控制支撑机构倾斜的速度,操作简单,利于安装。(The invention relates to the technical field of engineering construction protection, in particular to a protection device for engineering construction, which comprises a fixing mechanism, wherein a second fixing rod is connected to the fixing mechanism connected with an elevator wellhead, a supporting mechanism is installed on the fixing mechanism, an adjusting mechanism connected with the supporting mechanism is arranged on the second fixing rod, a protection mechanism is installed on the supporting mechanism, a reinforcing mechanism is installed on the supporting mechanism, and a warning mechanism is installed on the second fixing rod; install supporting mechanism on the fixed establishment, and install the adjustment mechanism who is connected with supporting mechanism on the second dead lever, can rotate adjustment mechanism and descend supporting mechanism after installing supporting mechanism on the fixed establishment, conflict with the inside wall of elevartor shaft up to supporting mechanism's end, do not need the cooperation of a plurality of staff to install, and can control the speed of supporting mechanism slope, easy operation does benefit to the installation.)

1. The protection device for engineering construction is characterized by comprising a fixing mechanism (1), wherein a second fixing rod (7) is connected to the fixing mechanism (1) connected with an elevator shaft opening, a supporting mechanism (5) is installed on the fixing mechanism (1), an adjusting mechanism (2) connected with the supporting mechanism (5) is arranged on the second fixing rod (7), a protection mechanism (4) is installed on the supporting mechanism (5), a reinforcing mechanism (6) is installed on the supporting mechanism (5), and a warning mechanism (3) is installed on the second fixing rod (7);

the supporting mechanism (5) comprises two fixed shells (510), two fixed shells (510) are fixed on the second fixed rod (7), two rotating shafts (507) with inner sides in a hexagonal structure are rotatably connected to the two fixed shells (510), two gears (508) are fixedly connected to the two rotating shafts (507), a fixed box (505) is fixed on the fixed mechanism (1), two main beams (501) are arranged between the two fixed boxes (505) and the fixed shells (510), first inserted bars (502) embedded into the inner sides of the rotating shafts (507) are fixed on the two main beams (501), second inserted bars (503) embedded into the fixed boxes (505) are slidably connected to the two main beams (501), a pressure spring (509) is clamped between the main beams (501) and the second inserted bars (503), and a plurality of bearing plates (506) are fixed on the two main beams (501), second inserted bar (503) is cylindrical structure, adjustment mechanism (2) include two slide plates (202), slide on second dead lever (7) and have slide plate (202) on two fixed boxes of embedding (505), two equal fixedly connected with and rack (204) of gear (508) meshing on slide plate (202), two fixed plate (205) of threaded connection between equal fixedly connected with and lead screw (203) on slide plate (202), two rotate between lead screw (203) and the second dead lever (7) and be connected.

2. The protection device for engineering construction according to claim 1, characterized in that: the supporting mechanism (5) further comprises two poking plates (504), the two main beams (501) are connected with the poking plates (504) in a sliding mode, the two poking plates (504) are fixed with the two second inserted rods (503) respectively, and the two poking plates (504) are connected with the two main beams (501) in a sliding mode respectively.

3. The protection device for engineering construction according to claim 1, characterized in that: the adjusting mechanism (2) further comprises a crank (201), and the two screw rods (203) are fixedly connected with the crank (201).

4. The protection device for engineering construction according to claim 1, characterized in that: the fixing mechanism (1) comprises a screw rod (102), two screw rods (102) are fixed on the second fixing rod (7), a first fixing rod (101) is arranged on each screw rod (102), the first fixing rod (101) is connected with the second fixing rod (7) through the screw rod (102) in a matched nut mode, and the first fixing rod (101) is equal to the second fixing rod (7) in length.

5. The protection device for engineering construction according to claim 1, characterized in that: the warning mechanism (3) comprises a containing cavity (302), two containing cavities (302) are horizontally arranged on the second fixing rod (7), two fixing columns (303) located in the containing cavities (302) are fixed on the second fixing rod (7), two inner rods (306) are respectively connected to the two fixing columns (303) in a sliding manner, a first spring (307) is clamped between the two inner rods (306) and the fixing columns (303), two sliding plates (202) are respectively fixedly connected with push plates (305) with side surfaces in an inverted L-shaped structure, the two push plates (305) are arranged corresponding to the inner rods (306), warning boards (301) are respectively and fixedly connected to the two inner rods (306), grooves (309) are respectively formed in the two warning boards (301), two limit blocks (304) clamped with the grooves (309) are arranged on the second fixing rod (7) in a sliding manner, a second spring (308) is clamped between the limiting block (304) with the end part in an arc-shaped structure and the second fixing rod (7).

6. The protection device for engineering construction according to claim 1, characterized in that: protection machanism (4) are including fixed frame (401), two impartial distance is equipped with a plurality of fixed frames (401) on girder (501), and is a plurality of equal fixedly connected with protection network (402) on fixed frame (401), two all be fixed with chassis (403) on girder (501), on chassis (403), a plurality of all seted up a plurality of slots (405), a plurality of all be fixed with a plurality of picture peg (404), adjacent two on fixed frame (401) cooperate slot (405) to connect, and one of them picture peg (404) on fixed frame (401) insert slot (405) on chassis (403), bearing plate (506) are contradicted with fixed frame (401).

7. The protection device for engineering construction according to claim 6, characterized in that: the reinforcing mechanism (6) is characterized in that reinforcing plates (603) arranged in a side inclined mode are connected to the two main beams (501) in a sliding mode, a driving plate (605) is connected to the two main beams (501) in a rotating mode, a third spring (604) is clamped between the driving plate (605) and the reinforcing plates (603), a top frame (601) with an inverted L-shaped structure in cross section is connected to the main beams (501) in a sliding mode, the top frame (601) is embedded into a slot (405) in one of the fixing frames (401), a connecting rod (606) is connected between the driving plate (605) and the top frame (601) in a rotating mode, two pressing blocks (607) arranged in a side inclined mode are fixedly connected to the top frame (601), and nuts (608) abutted to the pressing blocks (607) are connected to the main beams (501) in a threaded mode.

8. The protection device for engineering construction according to claim 7, characterized in that: the reinforcing mechanism (6) further comprises rubber pads (602), and the two reinforcing plates (603) are respectively bonded with the rubber pads (602).

9. The protection device for engineering construction according to claim 4, characterized in that: the section of the first fixing rod (101) is of a U-shaped structure, and the fixing box (505) is positioned at one half of the surface of the first fixing rod (101).

10. The protection device for engineering construction according to claim 4, characterized in that: the height of the fixed shell (510) is larger than that of the first fixing rod (101), and the distance from the first inserted rod (502) embedded in the fixed shell (510) to the first fixing rod (101) is larger than the distance from the first inserted rod (502) to the bottom end of the main beam (501).

Technical Field

The invention relates to the technical field of engineering construction protection, in particular to a protection device for engineering construction.

Background

Engineering construction is according to the requirement of construction engineering design file, carries out newly-built, extension, the activity of rebuilding to construction engineering, and engineering construction protection mainly is to the protection of people, has safety helmet protective clothing, protection network etc. so can be to the inside construction of elevartor shaft when the building construction, can build the one deck guard plate when constructing the elevartor shaft, and constructor stands on the guard plate and constructs to elevartor shaft inside.

However, when the conventional elevator shaft construction protection device is installed, the fixing frame is fixed on two sides of a wall at an elevator shaft inlet, then one end of the main beam is connected to the fixing frame, the other end of the main beam is abutted against the inner wall of the elevator shaft, when the main beam is built, another worker needs to drag and drag the main beam through a pull rod tool and then abuts against the inner wall of the elevator shaft, when one worker builds, one worker needs to hold the main beam close to one end of the fixing frame, then the main beam is put down to abut against the wall, the falling speed of the main beam is difficult to control, and the building of the main beam is not facilitated; and the position that is only a line after girder and wall are supported contradicts with the wall, and area of contact is few, does not consolidate between girder and the wall, and when the weight on the bearing plate was stirred great, the girder can take place to rock, poor stability.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a protection device for engineering construction.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a protector is used in engineering construction, includes fixed establishment, is connected with the elevator well head be connected with the second dead lever on the fixed establishment, the last supporting mechanism that installs of fixed establishment, be equipped with the adjustment mechanism who is connected with supporting mechanism on the second dead lever, the last protection machanism that installs of supporting mechanism, the last strengthening mechanism that installs of supporting mechanism, install warning mechanism on the second dead lever.

The supporting mechanism comprises two fixed shells, two fixed shells are fixed on the second fixed rod, a rotating shaft with the inner side in a hexagonal structure is rotatably connected on the two fixed shells, a gear is fixedly connected on the two rotating shafts, a fixed box is fixed on the fixed mechanism, two main beams are arranged between the two fixed boxes and the fixed shells, a first inserted bar embedded into the inner side of the rotating shaft is fixed on the two main beams, a second inserted bar embedded into the fixed boxes is slidably connected on the two main beams, a pressure spring is clamped between the main beams and the second inserted bar, a plurality of bearing plates are fixed on the two main beams, the second inserted bar is in a cylindrical structure, the adjusting mechanism comprises two sliding plates, two sliding plates embedded into the fixed boxes are slidably connected on the second fixed rod, and racks meshed with the gear are fixedly connected on the two sliding plates, and the two sliding plates are fixedly connected with fixing plates in threaded connection with the screw rods, and the screw rods are rotatably connected with the second fixing rods.

The supporting mechanism further comprises two shifting plates, the two main beams are connected with the shifting plates in a sliding mode, the two shifting plates are fixed with the two second inserting rods respectively, and the two shifting plates are connected with the two main beams in a sliding mode respectively.

Specifically, the adjusting mechanism further comprises a crank, and the two screw rods are fixedly connected with the cranks.

Specifically, the fixing mechanism comprises a screw rod, two screw rods are fixed on the second fixing rod, a first fixing rod is arranged on each screw rod, the first fixing rod and the second fixing rod are connected through screw rod matching nuts, and the length of the first fixing rod is equal to that of the second fixing rod.

The warning mechanism comprises a containing cavity, two containing cavities are horizontally formed in the second fixing rod, two fixing columns located at the containing cavities are fixed on the second fixing rod, two inner rods are connected to the fixing columns in a sliding mode, a first spring is clamped between each inner rod and each fixing column, two push plates with side faces being of an inverted L-shaped structure are fixedly connected to the sliding plate, the push plates correspond to the inner rods in a sliding mode and are arranged, two warning boards are fixedly connected to the inner rods in a sliding mode, grooves are formed in the warning boards, two limiting blocks clamped with the grooves are arranged on the second fixing rod in a sliding mode, and the second spring is clamped between the limiting blocks with arc-shaped structures at the end portions and the second fixing rod.

The protection mechanism comprises a fixed frame and two, a plurality of fixed frames and a plurality of fixed frames are uniformly arranged on the main beam, the fixed frame is fixedly connected with a protective net, the main beam is fixedly provided with a bottom frame, the bottom frame is provided with a plurality of slots, and the fixed frame is provided with a plurality of inserting plates and two adjacent inserting plates.

Specifically, the strengthening mechanism is two equal sliding connection has the gusset plate that the slope of side set up on the girder, two equal rotation is connected with the drive plate on the girder, the centre gripping has the third spring between drive plate and the gusset plate, sliding connection has the roof-rack that the cross-section is "L" shape structure on the girder, on the slot on one of them fixed frame of roof-rack embedding, rotate between drive plate and the roof-rack and be connected with connecting rod, two the briquetting that fixedly connected with slope of side set up on the roof-rack, threaded connection has the nut of contradicting with the briquetting on the girder.

Specifically, the reinforcing mechanism further comprises rubber pads, and the rubber pads are bonded on the two reinforcing plates.

Specifically, the cross section of the first fixing rod is of a U-shaped structure, and the fixing box is positioned at one half of the surface of the first fixing rod.

Specifically, the height of the fixed shell is greater than that of the first fixed rod, and the distance between the first inserted bar embedded into the fixed shell and the first fixed rod is greater than the distance between the first inserted bar and the bottom end of the main beam.

The invention has the beneficial effects that:

(1) according to the protective device for engineering construction, the supporting mechanism is mounted on the fixing mechanism, the adjusting mechanism connected with the supporting mechanism is mounted on the second fixing rod, the supporting mechanism can be rotated to descend after the supporting mechanism is mounted on the fixing mechanism until the tail end of the supporting mechanism is abutted against the inner wall of the elevator shaft, a plurality of workers are not required to be mounted in a matched mode, the tilting speed of the supporting mechanism can be controlled, the operation is simple, and the mounting is facilitated; namely: after a wall at an elevator shaft inlet is clamped by a first fixing rod and a second fixing rod, a worker takes a main beam, a poking plate on the main beam slides, a pressure spring contracts at the moment, a second inserting rod contracts into the main beam, the first inserting rod is inserted into a rotating shaft, the poking plate is loosened, the pressure spring is reset, the second inserting rod slides out of the main beam, the second inserting rod is inserted into a fixing box, the main beam is pre-installed at the moment, the main beam and the first fixing rod are in a vertical state, a crank is rotated to rotate a lead screw, the sliding plate is driven to move in a direction deviating from the second fixing rod, the gear rotates clockwise due to meshing between a rack and the gear, the first inserting rod is of a hexagonal prism-shaped structure, the rotating shaft drives the first inserting rod to rotate, and the main beam rotates along with the rotation of the gear, the end of the main beam is abutted against the wall inside the elevator shaft, the main beam is locked by the screw rod, and the other main beam is installed according to the method, so that the two main beams are obliquely installed inside the elevator shaft mouth, the main beams are installed without cooperation of a plurality of workers, the descending speed of the main beams can be controlled, and the main beams are favorably installed and detached.

(2) According to the protective device for engineering construction, the two warning mechanisms are mounted on the second fixed rod, the adjusting mechanisms are abutted with the warning mechanisms while the adjusting mechanisms control the supporting mechanisms to abut against the wall inside the elevator shaft, so that the warning mechanisms can slide out of the second fixed rod, a worker can stand the warning mechanisms after leaving the elevator shaft to warn non-workers not to enter the device, the warning mechanisms can be stored in the second fixed rod when the supporting mechanisms are disassembled, and the occupied space area is reduced; namely: realized the slope to the girder when two slides deviate from the second dead lever gliding, realized when the girder installation is accomplished that the push pedal on the slide conflicts the inside interior pole of second dead lever, the distance that also is girder commentaries on classics equals the distance between push pedal to the interior pole, when interior pole from the inside of accomodating the chamber release back first spring shrink, the inside roll-off of warning sign from accomodating the chamber, if can conflict the side of warning sign and second dead lever when the construction, need not stand the warning sign, can stand two warning signs after the staff leaves the elevartor shaft, can warn the inside that non-working personnel will not enter into the elevartor shaft.

(3) According to the protective device for engineering construction, the reinforcing mechanism is mounted on the supporting mechanism, and after the protective mechanism is connected, the reinforcing mechanism can be rotated, so that the reinforcing mechanism is fixed on the protective mechanism, the reinforcing mechanism is abutted against a wall inside an elevator shaft, the contact area between the reinforcing mechanism and the elevator shaft is increased, and the integral structure is prevented from shaking; namely: rotate the nut that is located the girder with the spanner after accomplishing a plurality of fixed frame installations, the bottom and the briquetting of nut have been realized contradict, there is the slope setting with the lateral wall of briquetting, when the nut descends, realized that the roof-rack slides on the girder, and the inside of slot on the fixed frame is removed to the roof-rack, realized once only fixed to a plurality of fixed frames, good stability, the rocking of fixed frame has been avoided, it removes to have driven the connecting rod when the roof-rack is gliding, the connecting rod has driven the drive plate and has rotated, and then realized that the drive plate contradicts the gusset plate, and then realized that the gusset plate removes to the wall department on the elevartor shaft, and rubber pad and wall are contradicted, the area of contact between girder and the wall has been increased, avoid the girder to rock.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic overall structure diagram of a protection device for engineering construction according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is an enlarged view of the structure of the portion B shown in FIG. 1;

FIG. 4 is an enlarged view of the structure of the portion C shown in FIG. 1;

FIG. 5 is a schematic view of the connection structure of the first fixing rod, the second fixing rod, the screw, the fixing plate, the sliding plate and the screw according to the present invention;

FIG. 6 is an enlarged view of the structure of the portion D shown in FIG. 5;

FIG. 7 is a schematic view of the connection structure of the first fixing rod, the main beam, the sliding plate, the fixing box, the fixing shell, the first insertion rod and the second insertion rod of the present invention;

FIG. 8 is a schematic view of a connection structure of a main beam, an underframe and a fixed frame protective screening of the invention;

fig. 9 is a schematic view of a connection structure of the main beam, the nut and the top frame of the present invention.

In the figure: 1. a fixing mechanism; 101. a first fixing lever; 102. a screw; 2. an adjustment mechanism; 201. a crank; 202. a slide plate; 203. a screw rod; 204. a rack; 205. a fixing plate; 3. a warning mechanism; 301. a warning board; 302. a receiving cavity; 303. fixing a column; 304. a limiting block; 305. pushing the plate; 306. an inner rod; 307. a first spring; 308. a second spring; 309. a groove; 4. a protection mechanism; 401. a fixing frame; 402. a protective net; 403. a chassis; 404. inserting plates; 405. a slot; 5. a support mechanism; 501. a main beam; 502. a first plunger; 503. a second plunger; 504. a poking plate; 505. a fixing box; 506. a bearing plate; 507. a rotating shaft; 508. a gear; 509. a pressure spring; 510. a stationary case; 6. a reinforcement mechanism; 601. a top frame; 602. a rubber pad; 603. a reinforcing plate; 604. a third spring; 605. a drive plate; 606. a connecting rod; 607. briquetting; 608. a nut; 7. and a second fixing rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 9, the protection device for engineering construction according to the present invention includes a fixing mechanism 1, a second fixing rod 7 is connected to the fixing mechanism 1 connected to an elevator shaft opening, a supporting mechanism 5 is installed on the fixing mechanism 1, an adjusting mechanism 2 connected to the supporting mechanism 5 is installed on the second fixing rod 7, a protection mechanism 4 is installed on the supporting mechanism 5, a reinforcing mechanism 6 is installed on the supporting mechanism 5, and a warning mechanism 3 is installed on the second fixing rod 7.

The supporting mechanism 5 comprises two fixed shells 510, two fixed shells 510 are fixed on the second fixed rod 7, two rotating shafts 507 with inner sides in a hexagonal structure are rotatably connected to the two fixed shells 510, gears 508 are fixedly connected to the two rotating shafts 507, a fixed box 505 is fixed on the fixed mechanism 1, two main beams 501 are arranged between the two fixed boxes 505 and the fixed shells 510, first inserting rods 502 embedded into the inner sides of the rotating shafts 507 are fixed on the two main beams 501, second inserting rods 503 embedded into the fixed boxes 505 are slidably connected to the two main beams 501, a pressure spring 509 is clamped between the main beams 501 and the second inserting rods 503, a plurality of bearing plates 506 are fixed on the two main beams 501, the second inserting rods 503 are in a cylindrical structure, the supporting mechanism 5 further comprises a poking plate 504, and poking plates 504 are slidably connected to the two main beams 501, the two poking plates 504 are respectively fixed with two second insertion rods 503, the two poking plates 504 are respectively connected with the two main beams 501 in a sliding way, the cross section of the first fixing rod 101 is in a U-shaped structure, the fixing box 505 is positioned at one half of the surface of the first fixing rod 101, the height of the fixing shell 510 is larger than that of the first fixing rod 101, the distance between the first insertion rod 502 embedded in the fixing shell 510 and the first fixing rod 101 is larger than that between the first insertion rod 502 and the bottom end of the main beam 501, the adjusting mechanism 2 comprises two sliding plates 202, the second fixing rod 7 is provided with two sliding plates 202 embedded in the fixing box 505 in a sliding way, the two sliding plates 202 are respectively and fixedly connected with a rack 204 engaged with a gear 508, the two sliding plates 202 are respectively and fixedly connected with a fixing plate 205 in threaded connection with a screw rod 203, and the two screw rods 203 are rotatably connected with the second fixing rod 7, the adjusting mechanism 2 further comprises a crank 201, the two screw rods 203 are fixedly connected with the crank 201, after the wall at the entrance of the elevator shaft is clamped by the first fixing rod 101 and the second fixing rod 7, a worker takes one main beam 501, slides the toggle plate 504 on the main beam 501, at this time, the compression spring 509 is contracted, the second insertion rod 503 is further contracted into the main beam 501, the first insertion rod 502 is inserted into the rotating shaft 507, the toggle plate 504 is released, the compression spring 509 is reset, the second insertion rod 503 is further slid out from the main beam 501, the second insertion rod 503 is further inserted into the fixing box 505, at this time, the main beam 501 is pre-installed, the main beam 501 and the first fixing rod 101 are in a vertical state, the crank 201 is rotated, so that the screw rods 203 are rotated, thereby moving the sliding plate 202 away from the second fixing rod 7, and due to the engagement between the rack 204 and the gear 508, the gear 508 is rotated clockwise, due to the hexagonal prism structure of the first inserted rod 502, the rotation shaft 507 drives the first inserted rod 502 to rotate, and finally the inclination of the main beam 501 along with the rotation of the gear 508 is realized until the end of the main beam 501 is abutted against the wall inside the elevator shaft, and the lead screw 203 locks the main beam 501, the other main beam 501 is installed according to the method, so that the two main beams 501 are obliquely installed inside the elevator well head, a plurality of workers are not required to install the main beams 501 in a matching way, and the descending speed of the main beam 501 can be controlled, which is beneficial to the installation and the disassembly of the main beam 501.

Specifically, the fixing mechanism 1 includes screws 102, two screws 102 are fixed on the second fixing rod 7, first fixing rods 101 are arranged on the two screws 102, the first fixing rods 101 are connected with the second fixing rod 7 through the screws 102 and nuts, the first fixing rods 101 are as long as the second fixing rod 7, the second fixing rod 7 penetrates through the two screws 102 first during installation, the second fixing rod 7 is limited through the nuts, when the thickness of the wall of the elevator shaft is adjusted to be almost the same as that of the wall of the elevator shaft, the first fixing rod 101 and the second fixing rod 7 clamp the wall of the elevator shaft, and the first fixing rod 101 and the second fixing rod 7 are clamped by tightening the nuts on the two screws 102.

Specifically, the warning mechanism 3 includes a receiving cavity 302, two receiving cavities 302 are horizontally formed in the second fixing rod 7, two fixing columns 303 located in the receiving cavities 302 are fixed on the second fixing rod 7, two inner rods 306 are slidably connected to the two fixing columns 303, a first spring 307 is clamped between the two inner rods 306 and the fixing column 303, two push plates 305 with side surfaces in an inverted L-shaped structure are fixedly connected to the two sliding plates 202, the two push plates 305 are arranged corresponding to the inner rods 306, warning boards 301 are fixedly connected to the two inner rods 306, grooves 309 are formed in the two warning boards 301, two limit blocks 304 engaged with the grooves 309 are slidably arranged on the second fixing rod 7, a second spring 308 is clamped between the limit blocks 304 with end portions in an arc-shaped structure and the second fixing rod 7, and when the two sliding plates 202 slide away from the second fixing rod 7, the inclination of the main beam 501 is realized, when the main beam 501 is installed, the push plate 305 on the sliding plate 202 abuts against the inner rod 306 inside the second fixing rod 7, that is, the distance of rotation of the main beam 501 is equal to the distance between the push plate 305 and the inner rod 306, when the inner rod 306 is pushed out from the inside of the accommodating cavity 302, the first spring 307 contracts, the warning board 301 slides out from the inside of the accommodating cavity 302, if the warning board 301 can abut against the side surface of the second fixing rod 7 during construction, the warning board 301 does not need to be erected, and when a worker leaves the elevator hoistway, the two warning boards 301 can be erected, so that a non-worker can be warned not to enter the inside of the elevator hoistway.

Specifically, protection machanism 4 is including fixed frame 401, two impartial distance is equipped with a plurality of fixed frames 401 on the girder 501, and is a plurality of equal fixedly connected with protection network 402 on the fixed frame 401, two all be fixed with chassis 403 on the girder 501, on chassis 403, a plurality of slots 405 have all been seted up on the fixed frame 401, and is a plurality of all be fixed with a plurality of picture pegs 404 on the fixed frame 401, adjacent two fixed frame 401 cooperates slot 405 through picture peg 404 to connect, and one of them picture peg 404 on the fixed frame 401 inserts on the slot 405 on the chassis 403, bearing plate 506 contradicts with fixed frame 401, and after two girder 501 installation is accomplished, with a plurality of two are placed to fixed frame 401 on the girder 501, and first on the fixed frame 401 picture peg 404 insert two on the chassis 403 the inside of slot 405, and all the other fixed frame 401 passes through picture peg 404 cooperation the slot 405 is connected, and is a plurality of bearing plate 506 has realized right fixed frame 401's support avoids not being finally fixed frame 401 rocks, and the staff can walk on the protection network 402 when the construction.

Specifically, two main beams 501 of the reinforcing mechanism 6 are slidably connected with reinforcing plates 603 with inclined side surfaces, two main beams 501 are rotatably connected with driving plates 605, a third spring 604 is clamped between the driving plates 605 and the reinforcing plates 603, the main beams 501 are slidably connected with top frames 601 with inverted-L-shaped cross sections, the top frames 601 are embedded into slots 405 on one of the fixing frames 401, a connecting rod 606 is rotatably connected between the driving plates 605 and the top frames 601, two pressing blocks 607 with inclined side surfaces are fixedly connected to the two top frames 601, nuts 608 which are abutted against the pressing blocks 607 are screwed on the main beams 501, the reinforcing mechanism 6 further comprises rubber pads 602, rubber pads 602 are respectively bonded on the two reinforcing plates 603, and the nuts 608 which are positioned on the main beams 501 are rotated by a wrench after the fixing frames 401 are installed, the bottom of the nut 608 is abutted to the pressing block 607, the nut 608 is obliquely arranged with the side wall of the pressing block 607, when the nut 608 descends, the top frame 601 slides on the main beam 501, the top frame 601 moves into the slot 405 in the fixing frame 401, one-time fixing of the fixing frames 401 is achieved, stability is good, shaking of the fixing frame 401 is avoided, the connecting rod 606 is driven to move when the top frame 601 slides, the connecting rod 606 drives the driving plate 605 to rotate, the driving plate 605 is abutted to the reinforcing plate 603, the reinforcing plate 603 is further moved to the wall of the elevator shaft, the rubber pad 602 is abutted to the wall, the contact area between the main beam 501 and the wall is increased, and shaking of the main beam 501 is avoided.

When the elevator fixing device is used, firstly, the second fixing rod 7 penetrates through the two screw rods 102 firstly during installation, the second fixing rod 7 is limited through the nuts, when the thickness of the second fixing rod is adjusted to be almost the same as that of the wall of an elevator shaft, the first fixing rod 101 and the second fixing rod 7 clamp the wall of the elevator shaft, and the nuts on the two screw rods 102 are screwed to clamp the first fixing rod 101 and the second fixing rod 7 in a fastening mode; then, after the first fixing rod 101 and the second fixing rod 7 clamp the wall at the entrance of the elevator shaft, a worker takes one main beam 501, the toggle plate 504 on the main beam 501 slides, at the moment, the pressure spring 509 contracts, the second inserting rod 503 contracts into the main beam 501, the first inserting rod 502 is inserted into the rotating shaft 507, the toggle plate 504 is loosened, the pressure spring 509 is reset, the second inserting rod 503 slides out of the main beam 501 further, the second inserting rod 503 is inserted into the fixing box 505, at the moment, the main beam 501 is pre-installed, the main beam 501 and the first fixing rod 101 are in a vertical state, the crank 201 is rotated to rotate the screw rod 203, the sliding plate 202 is driven to move away from the second fixing rod 7, due to the meshing between the rack 204 and the gear 508, the gear 508 rotates clockwise, and the first inserting rod 502 is in a hexagonal prism structure, furthermore, the rotating shaft 507 drives the first inserted rod 502 to rotate, the main beam 501 is finally inclined along with the rotation of the gear 508 until the tail end of the main beam 501 is abutted against the wall in the elevator shaft, the main beam 501 is locked by the screw rod 203, and the other main beam 501 is installed according to the method, so that the two main beams 501 are obliquely installed in the elevator shaft mouth, a plurality of workers are not required to install the main beams 501 in a matched manner, the descending speed of the main beams 501 can be controlled, and the main beams 501 can be installed and detached conveniently; when the two sliding plates 202 slide away from the second fixing rod 7, the main beam 501 is inclined, when the main beam 501 is installed, the push plate 305 on the sliding plates 202 abuts against the inner rod 306 inside the second fixing rod 7, namely the rotating distance of the main beam 501 is equal to the distance between the push plate 305 and the inner rod 306, when the inner rod 306 is pushed out from the accommodating cavity 302, the first spring 307 contracts, the warning board 301 slides out from the accommodating cavity 302, if the warning board 301 can abut against the side surface of the second fixing rod 7 during construction, the warning board 301 does not need to be erected, and when workers leave the elevator shaft, the two warning boards 301 can be erected, so that non-workers can be warned not to enter the elevator shaft; then, after the two main beams 501 are installed, a plurality of fixing frames 401 are placed on the two main beams 501, the insertion plate 404 on the first fixing frame 401 is inserted into the two insertion slots 405 on the bottom frame 403, the rest fixing frames 401 are connected by the insertion plate 404 matching with the insertion slots 405, the plurality of bearing plates 506 support the fixing frames 401, the fixing frames 401 which are not finally fixed are prevented from shaking, and workers can walk on the protection net 402 during construction; finally, the nuts 608 on the main beam 501 are rotated by a wrench after the plurality of fixing frames 401 are installed, the bottoms of the nuts 608 are abutted to the pressing blocks 607, the nuts are obliquely arranged with the side walls of the pressing blocks 607, when the nuts 608 descend, the top frame 601 slides on the main beam 501, the top frame 601 moves into the slots 405 on the fixing frames 401, one-time fixing of the plurality of fixing frames 401 is realized, stability is good, shaking of the fixing frames 401 is avoided, the connecting rod 606 is driven to move when the top frame 601 slides, the connecting rod 606 drives the driving plate 605 to rotate, then the driving plate 605 is abutted to the reinforcing plate 603, further the reinforcing plate 603 is moved to the wall on the elevator shaft, the rubber pads 602 are abutted to the wall, the contact area between the main beam 501 and the wall is increased, and shaking of the main beam 501 is avoided.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.