CN218092871U

CN218092871U - Multi-functional deep basal pit construction cat ladder

Info

Publication number: CN218092871U
Application number: CN202222070870.9U
Authority: CN
Inventors: 王巨腾; 朱建平; 苏井高; 欧阳禄龙; 赵健春
Original assignee: China Construction Civil Engineering Co Ltd
Current assignee: China Construction Civil Engineering Co Ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-20
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a multi-functional deep basal pit construction cat ladder, include: the device comprises two fixed frames which are distributed in parallel, a row of first square climbing rods which are distributed at equal intervals is fixedly connected between the two fixed frames, the fixed frames are both connected with movable frames in a sliding manner, a row of second square climbing rods which are distributed at equal intervals is fixedly connected between the two movable frames, a telescopic adjusting mechanism for adjusting the synchronous telescopic of the two movable frames is arranged between the fixed frames and the movable frames, the upper ends of the fixed frames are hinged with U-shaped clamping pieces, and one side wall of each U-shaped clamping piece, far away from the fixed frames, is in threaded connection with a fastening button; the utility model discloses can regard as the deep basal pit pedestrian cat ladder to use, easy dismounting can have enough to meet the need the use in a flexible way, can carry out corresponding length adjustment according to the foundation ditch degree of depth, can be applicable to the steel sheet pile foundation ditch of multiple degree of depth.

Description

Multi-functional deep basal pit construction cat ladder

Technical Field

The utility model belongs to the technical field of the construction, especially, relate to a multi-functional deep basal pit construction cat ladder.

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 persons with low excavation depth can use the method of putting side slope to make the earth slope stable, and the size of the slope is determined according to the relevant construction project. When a building is excavated deeply and nearby, a foundation pit wall supporting method, a concrete-sprayed wall protecting method, a large foundation pit and even an underground continuous wall and a column type cast-in-situ bored pile interlocking method and the like can be used, and some deep foundation pits are supported by steel sheet piles, which can be divided into hot-rolled/drawn steel sheet piles and cold-bent steel sheet piles according to different processing and manufacturing processes.

The existing bearing platform foundation pit construction adopts a mode of a safety ladder cage or a welding ladder stand. However, the ladder cage construction process has low flexibility and is troublesome in mounting and dismounting; the welding ladder stand has length fixed, can not carry out corresponding length adjustment according to the foundation ditch degree of depth, and the use is wasted time and energy and economic benefits is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multi-functional deep basal pit construction cat ladder to there is the flexibility ratio low in solving ladder cage work progress, and the process is dismantled in ann is troublesome, and there is length fixed in the welding cat ladder, can not be adapted to the technical problem of multiple degree of depth foundation ditch.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a multi-functional deep basal pit construction cat ladder, its includes two mounts that distribute side by side, two the first square of one row of equidistance of fixedly connected with distributes between the mount climbs the pole, the equal sliding connection of mount has the adjustable shelf, two the second square that one row of equidistance of fixedly connected with distributes between the adjustable shelf climbs the pole, be equipped with the flexible adjustment mechanism who is used for adjusting two adjustable shelves synchronous telescope between mount and the adjustable shelf, the mount upper end all articulates there is U type fastener, a lateral wall threaded connection that U type fastener kept away from the mount has the fastening button, be equipped with inclination adjustment mechanism between U type fastener and the mount, one side difference fixedly connected with first square of U type fastener and second square of fixing guardrail are kept away from to mount and adjustable shelf, the pole setting on first square of guardrail and the second square of square is all the equidistance and distributes, be equipped with telescopic chute mechanism between first square of guardrail and the second square of guardrail.

The utility model adopts the above be used for multi-functional deep basal pit construction cat ladder, it is further: the telescopic adjusting mechanism comprises a rotating shaft and a positive and negative motor, the rotating shaft is located in a first direction climbing rod at the bottom of the fixing frame, two ends of the rotating shaft respectively extend into the fixing frames on two sides and are connected with the fixing frame in a rotating mode, two rotating shaft fixedly connected with gears are respectively located in the two fixing frames, the gears are all meshed with racks and two movable frames fixedly connected with each other, and one end of the rotating shaft extends to the outside of one fixing frame and is provided with a first driving mechanism between the fixing frames.

The utility model adopts the above be used for multi-functional deep basal pit construction cat ladder, it is further: the first driving mechanism comprises a positive and negative motor, the positive and negative motor is fixedly connected with the outer wall of the fixing frame, a worm is fixedly connected with an output shaft of the positive and negative motor, the worm is meshed with a worm wheel, and the worm wheel and the rotating shaft extend to one end of the fixing frame outside in a fixed connection mode.

The utility model adopts the above be used for multi-functional deep basal pit construction cat ladder, it is further: inclination adjustment mechanism includes C type pole, a lateral wall fixed connection that C type pole one end and U type fastener are close to the mount, the inboard sliding connection of C type pole has the slider, the slider articulates there is the movable rod, the one end that the slider was kept away from to the movable rod is articulated with the one end that the U type fastener was kept away from to the mount, be equipped with second actuating mechanism between slider and the C type pole.

The utility model adopts the above be used for multi-functional deep basal pit construction cat ladder, it is further: the second driving mechanism comprises a hydraulic cylinder, the outer wall of the cylinder body of the hydraulic cylinder is fixedly connected with a fixing sleeve, the fixing sleeve is fixedly connected with a C-shaped rod, the hydraulic cylinder is parallel to the C-shaped rod, and the telescopic end of the hydraulic cylinder is fixedly connected with a sliding block.

The utility model adopts the above be used for multi-functional deep basal pit construction cat ladder, it is further: the telescopic chute mechanism comprises a first chute and a second chute, the outer wall of the first chute is connected with the inner wall of the second chute in a sliding mode, the first extension plates are fixedly connected to the two sides of the first chute, one row of first inserting ribs are fixedly connected to one side, close to the outer wall of the first chute, of the first extension plates, the two rows of second inserting ribs are fixedly connected to the two sides of the second chute, and one row of second inserting ribs are fixedly connected to one side, close to the outer wall of the second chute, of the second extension plates.

The utility model adopts the above be used for multi-functional deep basal pit construction cat ladder, it is further: the interval of two adjacent dowel bars is the same with the interval of two adjacent pole settings on the first side leads to the guardrail, first dowel bar can be pegged graft with the pole setting on the first side leads to the guardrail.

The utility model adopts the above be used for multi-functional deep basal pit construction cat ladder, it is further: the distance between every two adjacent second joint bars is the same as the distance between every two adjacent vertical rods on the second square tube guardrail, and the second joint bars can be spliced with the vertical rods on the second square tube guardrail.

The beneficial effects of the utility model are that:

1. the utility model discloses can regard as deep basal pit pedestrian's cat ladder to use, easy dismounting can have enough to meet the need the use in a flexible way, can carry out corresponding length adjustment according to the foundation ditch degree of depth, can be applicable to the steel sheet pile foundation ditch of multiple degree of depth, and can adjust the whole inclination of this cat ladder through inclination adjustment mechanism to it is more convenient that staff's upper and lower crawling.

2. The utility model discloses can regard as foundation ditch concrete placement's chute, can the length of foundation ditch degree of depth adjustment shrinkage formula chute mechanism, and can adjust the inclination of telescopic chute mechanism through inclination adjustment mechanism to telescopic chute mechanism can accurate alignment pour the point.

Drawings

The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:

FIG. 1 is a schematic view of the general structure of the multifunctional deep foundation pit construction ladder according to the embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a schematic structural diagram of a top view section of the multifunctional deep foundation pit construction ladder and a telescopic adjusting mechanism;

FIG. 5 is an enlarged view of a portion of FIG. 4 at C;

FIG. 6 is a schematic view of a top view section of the multifunctional deep foundation pit construction ladder and a connection relation between a telescopic chute mechanism and a first square tube guardrail and a second square tube guardrail;

fig. 7 is a partially enlarged view of fig. 6 at D.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a fixed mount; 2. a first square climbing pole; 3. a movable frame; 4. the second square climbing pole; 5. a U-shaped clamping piece; 6. fastening the button; 7. the first square through guardrail; 8. a second square tube guardrail; 9. a rotating shaft; 10. a gear; 11. a rack; 12. a worm gear; 13. a worm; 14. a positive and negative motor; 15. a C-shaped rod; 16. a slider; 17. a movable rod; 18. a hydraulic cylinder; 19. a first chute; 20. a second chute; 21. a first epitaxial plate; 22. a first dowel; 23. a second epitaxial plate; 24. and a second dowel.

Detailed Description

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other embodiments that are obvious based on the disclosure of the claims and the specification herein, including those that employ any obvious substitutions and modifications to the embodiments described herein.

The drawings attached to the present specification are schematic views for assisting the explanation of the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

Fig. 1-7 show the utility model relates to a multi-functional deep basal pit construction cat ladder of embodiment, it includes: two mount 1 that distribute side by side, two the first square tube pole-climbing 2 that one row of equidistance of fixedly connected with distributes between the mount 1, 1 equal sliding connection of mount has the adjustable shelf 3, two the second square tube pole-climbing 4 that one row of equidistance of fixedly connected with distributes between the adjustable shelf 3, be equipped with the flexible adjustment mechanism who is used for adjusting two adjustable shelves 3 synchronous retractions between mount 1 and the adjustable shelf 3, 1 upper end of mount all articulates there is U type fastener 5, a lateral wall threaded connection that mount 1 was kept away from to U type fastener 5 has fastening button 6, be equipped with inclination adjustment mechanism between U type fastener 5 and the mount 1, one side that U type fastener 5 was kept away from to mount 1 and adjustable shelf 3 is fixedly connected with first square tube guardrail 7 and second square tube guardrail 8 respectively, the pole setting on first square tube guardrail 7 and the second square tube guardrail 8 all is the equidistance and distributes, be equipped with telescopic chute mechanism between first square tube guardrail 7 and the second square tube guardrail 8.

The telescopic adjusting mechanism comprises a rotating shaft 9 and a positive and negative motor 14, the rotating shaft 9 is located in a first square climbing rod 2 at the bottom of the fixed frame 1, two ends of the rotating shaft 9 respectively extend into the fixed frame 1 at two sides and are rotationally connected with the fixed frame 1, two gears 10 respectively located in the two fixed frames 1 are fixedly connected with the rotating shaft 9, the gears 10 are all meshed with racks 11 and two racks 11 respectively and are fixedly connected with two movable frames 3, one end of the rotating shaft 9 extends to the outside of one fixed frame 1 and is provided with a first driving mechanism between the fixed frames 1, the first driving mechanism comprises the positive and negative motor 14, the positive and negative motor 14 is fixedly connected with the outer wall of the fixed frame 1, an output shaft of the positive and negative motor 14 is fixedly connected with a worm 13, the worm 13 is meshed with a worm wheel 12, and the worm wheel 12 and the rotating shaft 9 extend to one end of the outside of the fixed frame 1.

Inclination adjustment mechanism includes

C type pole

15, 15 one end of C type pole and a lateral wall fixed connection that U type fastener 5 is close to mount 1, the inboard sliding connection of C type pole has slider 16, slider 16 articulates there is movable rod 17, the one end that slider 16 was kept away from to movable rod 17 is articulated with the one end that U type fastener 5 was kept away from to mount 1, be equipped with second actuating mechanism between slider 16 and the C type pole 15, second actuating mechanism includes

pneumatic cylinder

18, 18 cylinder body outer wall fixedly connected with of pneumatic cylinder fixes the cover, fixed cover and 15 fixed connection of C type pole, pneumatic cylinder 18 is parallel with

C type pole

15, 18 flexible end and the 16 fixed connection of slider of pneumatic cylinder 18.

Telescopic chute mechanism includes first chute 19 and second chute 20, the outer wall of first chute 19 and the inner wall sliding connection of second chute 20, the equal first epitaxial plate 21 of fixedly connected with in both sides of first chute 19, first epitaxial plate 21 is close to one side fixedly connected with one row of equidistance first dowel steel 22 that distributes of first chute 19 outer wall, the equal fixedly connected with second epitaxial plate 23 in both sides of second chute 20, one side fixedly connected with one row of equidistance second dowel steel 24 that distributes that second epitaxial plate 23 is close to second chute 20 outer wall, adjacent two the interval of two adjacent pole settings on first dowel steel 22 and the first square tube guardrail 7 is the same, first dowel steel 22 can peg graft with the pole setting on the first square tube guardrail 7, adjacent two the interval of two adjacent pole settings on second dowel steel 24 and the second square tube guardrail 8 is the same, second dowel steel 24 can peg graft with the pole setting on the second square tube guardrail 8.

The working principle is as follows:

when the utility model is used for the pedestrian ladder of the deep foundation pit, the telescopic chute mechanism is taken down firstly; hoisting the ladder to a mounting point by hoisting equipment, putting down the ladder, clamping the U-shaped clamping piece 5 at the top of the foundation pit steel sheet pile, and screwing the tight fixing button 6 to fix the ladder on the foundation pit steel sheet pile; then the ladder stand is adjusted to a proper inclination angle through the inclination angle adjusting mechanism so as to facilitate the up-and-down crawling of the working personnel; specifically, the hydraulic cylinder 18 is started, the hydraulic cylinder 18 pushes the sliding block 16 to slide along the C-shaped rod 15, and the sliding block 16 pushes the fixed frame 1 through the movable rod 17, so that the fixed frame 1 is turned over until the fixed frame 1 is turned over by a proper angle, and the inclination angle of the ladder stand is adjusted; finally, the movable frame 3 is lowered to the bottom of the foundation pit through the telescopic adjusting mechanism; specifically, the positive and negative motor 14 is started, the positive and negative motor 14 drives the worm 13 to rotate through an output shaft of the positive and negative motor, the worm 13 drives the worm wheel 12 to rotate, the worm wheel 12 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the gear 10 to rotate, and the gear 10 drives the movable frame 3 to slide along the fixed frame 1 through the rack 11 until the movable frame 3 slides down to the bottom of the foundation pit.

When the device is used for a concrete pouring chute, the crawling ladder is hoisted to a mounting point through hoisting equipment, put down and clamp the U-shaped clamping piece 5 at the top of a foundation pit steel sheet pile, and the crawling ladder is fixed on the foundation pit steel sheet pile by screwing the fastening button 6; then the retractable chute mechanism is installed; specifically, a first dowel bar 22 on the first chute 19 is aligned with and inserted into the upper port of the upright rod of the first square tube guardrail 7, and a second dowel bar 24 on the second chute 20 is aligned with and inserted into the upper port of the upright rod of the second square tube guardrail 8, so that the installation of the telescopic chute mechanism is realized; then the ladder stand is adjusted to a proper inclination angle through the inclination angle adjusting mechanism so that the bottom end of the telescopic chute mechanism is aligned with a pouring point, and the concrete process is the same as the above; make the bottom of second chute 20 near the point of pouring through flexible adjustment mechanism at last to pour more accurately, because second chute 20 is fixed through second dowel 24 and second square tube guardrail 8 on the adjustable shelf 3, so concrete process is the same as above.

To sum up, the utility model can be used as a pedestrian ladder for deep foundation pits, is convenient to disassemble and assemble, can be flexibly recycled, can perform corresponding length adjustment according to the depth of the foundation pit, can be suitable for steel sheet pile foundation pits with various depths, and can adjust the integral inclination angle of the ladder through an inclination angle adjusting mechanism, so that the climbing up and down of workers is more convenient; the utility model discloses can regard as foundation ditch concrete placement's chute, can the length of foundation ditch degree of depth adjustment shrinkage formula chute mechanism, and can adjust the inclination of telescopic chute mechanism through inclination adjustment mechanism to telescopic chute mechanism can accurate alignment pour the point.

The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.

Claims

1. The utility model provides a multi-functional deep basal pit construction cat ladder, its characterized in that includes: two mount (1) that distribute side by side, two first square tube pole climbing (2) that one row of equidistance of fixedly connected with distributes between mount (1), equal sliding connection has adjustable shelf (3) in mount (1), two second square tube pole climbing (4) that one row of equidistance of fixedly connected with distributes between adjustable shelf (3), be equipped with between mount (1) and adjustable shelf (3) and be used for adjusting two adjustable shelf (3) synchronous flexible telescopic adjustment mechanism, mount (1) upper end all articulates there is U type fastener (5), a lateral wall threaded connection that mount (1) was kept away from in U type fastener (5) has fastening button (6), be equipped with inclination adjustment mechanism between U type fastener (5) and mount (1), one side difference fixedly connected with first square tube guardrail (7) and second square tube guardrail (8) of U type fastener (5) are fixed guardrail (7) and second square tube guardrail (8) in mount (1) and adjustable shelf (3), the pole setting on first square tube guardrail (7) and the second square tube guardrail (8) all is the equidistance and distributes, be equipped with telescopic chute mechanism between guardrail (7).

2. The multifunctional ladder stand for deep foundation pit construction according to claim 1, wherein the telescopic adjusting mechanism comprises a rotating shaft (9) and a positive and negative motor (14), the rotating shaft (9) is located in a first square climbing rod (2) at the bottom of the fixed frame (1), two ends of the rotating shaft (9) extend into the fixed frame (1) at two sides respectively and are rotatably connected with the fixed frame (1), the rotating shaft (9) is fixedly connected with two gears (10) located in the two fixed frames (1) respectively, the gears (10) are meshed with racks (11), the two racks (11) are fixedly connected with the two movable frames (3) respectively, one end of the rotating shaft (9) extends to the outside of one fixed frame (1) and a first driving mechanism is arranged between the fixed frames (1).

3. The multifunctional deep foundation pit construction ladder stand according to claim 2, wherein the first driving mechanism comprises a positive and negative motor (14), the positive and negative motor (14) is fixedly connected with the outer wall of the fixing frame (1), an output shaft of the positive and negative motor (14) is fixedly connected with a worm (13), the worm (13) is meshed with a worm wheel (12), and the worm wheel (12) is fixedly connected with one end of the rotating shaft (9) extending to the outside of the fixing frame (1).

4. The multifunctional deep foundation pit construction ladder stand according to claim 1, wherein the inclination angle adjusting mechanism comprises a C-shaped rod (15), one end of the C-shaped rod (15) is fixedly connected with one side wall, close to the fixed frame (1), of the U-shaped clamping piece (5), a sliding block (16) is connected to the inner side of the C-shaped rod (15) in a sliding mode, the sliding block (16) is hinged to a movable rod (17), one end, far away from the sliding block (16), of the movable rod (17) is hinged to one end, far away from the U-shaped clamping piece (5), of the fixed frame (1), and a second driving mechanism is arranged between the sliding block (16) and the C-shaped rod (15).

5. The multifunctional deep foundation pit construction ladder stand as claimed in claim 4, wherein the second driving mechanism comprises a hydraulic cylinder (18), a fixed sleeve is fixedly connected to the outer wall of the cylinder body of the hydraulic cylinder (18), the fixed sleeve is fixedly connected with a C-shaped rod (15), the hydraulic cylinder (18) is parallel to the C-shaped rod (15), and the telescopic end of the hydraulic cylinder (18) is fixedly connected with a sliding block (16).

6. The multifunctional deep foundation pit construction ladder stand according to claim 1, wherein the telescopic chute mechanism comprises a first chute (19) and a second chute (20), the outer wall of the first chute (19) is slidably connected with the inner wall of the second chute (20), both sides of the first chute (19) are fixedly connected with a first extension plate (21), one side, close to the outer wall of the first chute (19), of the first extension plate (21) is fixedly connected with a row of first insertion ribs (22) distributed at equal intervals, both sides of the second chute (20) are fixedly connected with a second extension plate (23), and one side, close to the outer wall of the second chute (20), of the second extension plate (23) is fixedly connected with a row of second insertion ribs (24) distributed at equal intervals.

7. The multifunctional deep foundation pit construction ladder stand as claimed in claim 6, wherein the distance between two adjacent first steel dowels (22) is the same as the distance between two adjacent vertical rods on the first square through guardrail (7), and the first steel dowels (22) can be spliced with the vertical rods on the first square through guardrail (7).

8. The multifunctional deep foundation pit construction ladder stand as claimed in claim 6, wherein the distance between two adjacent second steel dowels (24) is the same as the distance between two adjacent vertical rods on the second square tube guardrail (8), and the second steel dowels (24) can be spliced with the vertical rods on the second square tube guardrail (8).