CN211143080U

CN211143080U - Deep foundation pit up-down stairs

Info

Publication number: CN211143080U
Application number: CN201921500366.XU
Authority: CN
Inventors: 罗雅惠; 徐秀娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-07-31
Anticipated expiration: 2029-09-10

Abstract

The utility model relates to a construction technical field, and a deep basal pit stairs from top to bottom is disclosed, including the foundation ditch body, the bottom fixed mounting of foundation ditch body has the reference column of vertical setting and the bottom plate that the level set up, the top of bottom plate is equipped with connection platform, and be connected through regulation and control mechanism between connection platform and the bottom plate, connection platform's tip is connected with the last stair and the lower stair that the symmetry set up through pivot rotation, go up the equal fixedly connected with movable block of one end that connection platform was kept away from to stair and lower stair, the reference column corresponds the position department of movable block and sets up the logical groove of matching, and movable block and logical groove swing joint, the spout has been seted up to the symmetry on the inner wall that leads to the groove, the slider that symmetrical fixedly connected with and spout matched on the lateral wall. The utility model discloses the convenience is carried out high regulation and control to stair according to the degree of depth of foundation ditch, effectively improves its suitability.

Description

Deep foundation pit up-down stairs

Technical Field

The utility model relates to a construction technical field especially relates to a deep basal pit stairs from top to bottom.

Background

In recent years, with the rapid development of national market economy, the progress of urbanized roads is accelerated, the land resources are reduced day by day, the number of high-rise and super high-rise buildings in cities is increased day by day, and the number of underground supermarkets, garages and the like is also increased day by day. The excavation of the foundation ditch in the building construction process is deeper and deeper, and the effect of the temporary stair of going up people that is set up at the foundation ditch edge is also more and more important.

Among the prior art, deep basal pit stairs up and down are fixed overlap joint structure mostly, can only adapt to the foundation ditch of a degree of depth, and inconvenient height control according to the foundation ditch degree of depth carries out, and the suitability is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that deep foundation pit stairs up and down are inconvenient to carry out height regulation and control as required in the prior art, adaptability is low, and the deep foundation pit stairs up and down are provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a deep foundation pit stair ascending and descending comprises a foundation pit body, wherein a vertically arranged positioning column and a horizontally arranged bottom plate are fixedly installed at the bottom of the foundation pit body, a connecting platform is arranged above the bottom plate, the connecting platform is connected with the bottom plate through a regulating mechanism, the end part of the connecting platform is rotatably connected with a symmetrically arranged stair ascending and stair descending through a rotating shaft, one ends of the stair ascending and stair descending, which are far away from the connecting platform, are fixedly connected with movable blocks, matched through grooves are formed in positions, corresponding to the movable blocks, of the positioning column, the movable blocks are movably connected with the through grooves, sliding grooves are symmetrically formed in the inner walls of the through grooves, sliding blocks matched with the sliding grooves are symmetrically and fixedly connected to the side walls of the movable blocks, and the sliding blocks are in sliding connection with;

regulation and control mechanism includes the support column of fixed connection in the connection platform bottom, the other end fixedly connected with T type slider of support column, the T type spout that matches with T type slider is seted up to the upper surface of bottom plate, and T type slider and T type spout sliding connection, the upper surface fixedly connected with fixed block that the bottom plate is close to the tip, it is connected with the lead screw to rotate through the bearing on the lateral wall of fixed block, the other end of lead screw runs through the support column setting, and lead screw and support column threaded connection.

Preferably, one side fixedly connected with threaded rod that connection platform was kept away from to the movable block, and threaded connection has the lock nut who matches on the threaded rod, and lock nut offsets with the lateral wall of reference column and sets up.

Preferably, a ball groove is formed in one side, close to the bottom of the T-shaped sliding groove, of the T-shaped sliding block, matched balls are connected in the ball groove in a rolling mode, one end, far away from the bottom of the ball groove, of each ball penetrates through a groove opening of each ball groove and extends outwards, and the balls are connected to the bottom of the T-shaped sliding groove in a rolling mode.

Preferably, one end of the screw rod, which is far away from the fixing block, is fixedly connected with an adjusting rotating handle.

Preferably, reinforcing rods are symmetrically and fixedly connected between the connecting platform and the supporting columns.

Preferably, a matched locking washer is fixedly connected to the side wall, close to the positioning column, of the locking nut.

Compared with the prior art, the utility model provides a deep basal pit stairs from top to bottom possesses following beneficial effect:

1. this deep basal pit stairs from top to bottom, through setting up connection platform, regulation and control mechanism, go up stairs, go down stairs, the movable block, lead to the groove, spout and slider, regulation and control mechanism conveniently regulates and control connection platform's horizontal position as required, when connection platform takes place horizontal displacement, go up stairs and the angle between the stairs and the connection platform will take place to deflect down, and make the movable block that corresponds slide along leading to the groove, and simultaneously, it slides along the spout to drive the slider, go up stairs and when the stairs takes place the angle deflection down (the deflection angle accords with the construction requirement, do not influence the construction climbing), will adapt to the foundation ditch of the different degree of depth, thereby the convenience carries out high regulation and control to stair according to the degree of depth of foundation ditch.

2. This deep basal pit stairs from top to bottom through setting up movable block, leading to groove, threaded rod and lock nut, when the movable block slided to suitable position along leading to the groove, screwed up the lock nut on the threaded rod, made lock nut support tightly with the lateral wall of reference column, conveniently carried out the position locking to the movable block to improve device overall structure's stability.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the convenience is carried out high regulation and control to stair according to the degree of depth of foundation ditch, effectively improves its suitability.

Drawings

Fig. 1 is a schematic structural view of going up and down stairs of a deep foundation pit according to the present invention;

FIG. 2 is a schematic structural view of a connecting portion between a deep foundation pit stair-climbing movable block and a through groove provided by the utility model;

fig. 3 is an enlarged view of a portion a in fig. 1.

In the figure: the foundation pit comprises a foundation pit body 1, positioning columns 2, a bottom plate 3, a connecting platform 4, stairs 5, stairs 6, a movable block 7, a through groove 8, a sliding groove 9, a sliding block 10, a supporting column 11, a sliding block 12T, a sliding groove 13T, a fixed block 14, a screw rod 15, a threaded rod 16, a locking nut 17, a ball groove 18, balls 19, an adjusting rotating handle 20 and a reinforcing rod 21.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only for convenience of description and 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.

Referring to fig. 1-3, a deep foundation pit stair ascending and descending comprises a foundation pit body 1, wherein a vertically arranged positioning column 2 and a horizontally arranged bottom plate 3 are fixedly installed at the bottom of the foundation pit body 1, a connecting platform 4 is arranged above the bottom plate 3, the connecting platform 4 is connected with the bottom plate 3 through a regulating mechanism, the end part of the connecting platform 4 is rotatably connected with an ascending stair 5 and a descending stair 6 which are symmetrically arranged through a rotating shaft, a movable block 7 is fixedly connected to one end of each of the ascending stair 5 and the descending stair 6 far away from the connecting platform 4, a matched through groove 8 is formed in the position, corresponding to the movable block 7, of the positioning column 2, the movable block 7 is movably connected with the through groove 8, sliding grooves 9 are symmetrically formed in the inner wall of the through groove 8, sliding blocks 10 matched with the sliding grooves 9 are symmetrically and fixedly connected to the side wall of the movable;

the regulating mechanism comprises a supporting column 11 fixedly connected to the bottom of the connecting platform 4, the other end of the supporting column 11 is fixedly connected with a T-shaped sliding block 12, the upper surface of the bottom plate 3 is provided with a T-shaped sliding groove 13 matched with the T-shaped sliding block 12, the T-shaped sliding block 12 is in sliding connection with the T-shaped sliding groove 13, the upper surface of the bottom plate 3 close to the end part is fixedly connected with a fixed block 14, the side wall of the fixed block 14 is rotatably connected with a lead screw 15 through a bearing, the other end of the lead screw 15 penetrates through the supporting column 11, the lead screw 15 is in threaded connection with the supporting column 11, the lead screw 15 rotatably connected with the fixed block 14 is rotated, the supporting column 11 in threaded connection drives the T-shaped sliding block 12 to slide along the T-shaped sliding groove 13 on the bottom plate 3, so as to drive the connecting platform 4 to horizontally move, and make the movable block 7 that corresponds slide along logical groove 8, simultaneously, drive slider 10 and slide along spout 9, go up when stair 5 and downstairs 6 take place the angle and deflect (the deflection angle accords with the construction requirement, does not influence the construction climbing), will adapt to the foundation ditch of the different degree of depth to the convenience is carried out high regulation and control to stair according to the degree of depth of foundation ditch, effectively improves its suitability.

One side fixedly connected with threaded rod 16 of connection platform 4 is kept away from to movable block 7, and threaded connection has the lock nut 17 that matches on the threaded rod 16, and lock nut 17 offsets the setting with the lateral wall of reference column 2, and when movable block 7 slided to suitable position along logical groove 8, screwed up lock nut 17 on the threaded rod 16, make lock nut 17 support tightly with the lateral wall of reference column 2, conveniently carry out the position locking to movable block 7 to improve device overall structure's stability.

The T-shaped sliding block 12 is provided with a ball groove 18 at one side close to the bottom of the T-shaped sliding groove 13, a matched ball 19 is connected in the ball groove 18 in a rolling mode, one end, far away from the bottom of the ball groove 18, of the ball 19 penetrates through a notch of the ball groove 18 and extends outwards, the ball is connected to the bottom of the T-shaped sliding groove 13 in a rolling mode, and friction force between the T-shaped sliding block 12 and the T-shaped sliding groove 13 is reduced.

One end of the screw rod 15 far away from the fixed block 14 is fixedly connected with an adjusting rotating handle 20, so that the rotation of the screw rod 15 is conveniently controlled.

Symmetrical fixedly connected with stiffener 21 between connection platform 4 and support column 11 improves the stability of support.

The locking nut 17 is close to the side wall of the positioning column 2 and is fixedly connected with a matched locking washer, so that the positioning stability of the locking nut 17 is ensured.

In the utility model, the screw rod 15 connected with the fixed block 14 in a rotating way is rotated, the support column 11 connected with the screw thread drives the T-shaped slide block 12 to slide along the T-shaped sliding groove 13 on the bottom plate 3, thereby driving the connecting platform 4 to move horizontally, when the connecting platform 4 generates horizontal displacement, the angle between the upstairs stairs 5 and the downstairs 6 and the connecting platform 4 will deflect, and the corresponding movable block 7 will slide along the through groove 8, and simultaneously, the slide block 10 is driven to slide along the sliding groove 9, when the upstairs stairs 5 and the downstairs 6 generate angle deflection (the deflection angle accords with the construction requirement, does not influence the construction climbing), the foundation pit with different depths can be adapted, thereby the height of the stairs can be conveniently regulated according to the depth of the foundation pit, and the applicability; when the movable block 7 slides to a proper position along the through groove 8, the locking nut 17 on the threaded rod 16 is screwed down, so that the locking nut 17 is abutted against the outer side wall of the positioning column 2, the movable block 7 is conveniently locked in position, and the stability of the whole structure of the device is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A deep foundation pit up-down stair comprises a foundation pit body (1) and is characterized in that a vertically arranged positioning column (2) and a horizontally arranged bottom plate (3) are fixedly installed at the bottom of the foundation pit body (1), a connecting platform (4) is arranged above the bottom plate (3), the connecting platform (4) is connected with the bottom plate (3) through a regulating mechanism, the end part of the connecting platform (4) is rotatably connected with an upper stair (5) and a lower stair (6) which are symmetrically arranged through a rotating shaft, one ends of the upper stair (5) and the lower stair (6) far away from the connecting platform (4) are both fixedly connected with movable blocks (7), through grooves (8) matched with each other are formed in positions of the positioning column (2) corresponding to the movable blocks (7), the movable blocks (7) are movably connected with the through grooves (8), and sliding grooves (9) are symmetrically formed in the inner wall of the through grooves (8), the side wall of the movable block (7) is symmetrically and fixedly connected with sliding blocks (10) matched with the sliding grooves (9), and the sliding blocks (10) are in sliding connection with the sliding grooves (9);

regulation and control mechanism includes support column (11) of fixed connection in connection platform (4) bottom, the other end fixedly connected with T type slider (12) of support column (11), T type spout (13) that match with T type slider (12) are seted up to the upper surface of bottom plate (3), and T type slider (12) and T type spout (13) sliding connection, bottom plate (3) are close to the last fixed surface of tip and are connected with fixed block (14), it is connected with lead screw (15) to rotate through the bearing on the lateral wall of fixed block (14), the other end of lead screw (15) runs through support column (11) and sets up, and lead screw (15) and support column (11) threaded connection.

2. The deep foundation pit stair ascending and descending according to claim 1, wherein a threaded rod (16) is fixedly connected to one side, away from the connecting platform (4), of the movable block (7), a matched locking nut (17) is connected to the threaded rod (16) in a threaded mode, and the locking nut (17) abuts against the side wall of the positioning column (2).

3. The deep foundation pit upstairs and downstairs as claimed in claim 1, wherein a ball groove (18) is formed in one side of the T-shaped sliding block (12) close to the bottom of the T-shaped sliding groove (13), a matched ball (19) is connected in the ball groove (18) in a rolling manner, one end, far away from the bottom of the ball groove (18), of the ball (19) penetrates through the notch of the ball groove (18) and extends outwards, and the ball is connected to the bottom of the T-shaped sliding groove (13) in a rolling manner.

4. The deep foundation pit upstairs and downstairs as claimed in claim 1, wherein an adjusting handle (20) is fixedly connected to one end of the screw rod (15) far away from the fixing block (14).

5. The deep foundation pit upstairs and downstairs as claimed in claim 1, wherein reinforcing rods (21) are symmetrically and fixedly connected between the connecting platform (4) and the supporting columns (11).

6. The deep foundation pit upstairs and downstairs as claimed in claim 2, wherein the side wall of the locking nut (17) close to the positioning column (2) is fixedly connected with a matched locking washer.