CN217105969U - Bottom connecting device of steel structure elevator shaft - Google Patents

Abstract

The utility model discloses a bottom connecting device of steel construction elevator well, including reserving the well, and reserve the well and include a reference surface wall at least, the well bottom is equipped with prefabricated base in the aforesaid reservation, be equipped with the installation clearance between above-mentioned prefabricated base lateral wall and the reference surface wall, put into the backup pad in the above-mentioned installation clearance, above-mentioned backup pad is used for laminating and fixes on the reference surface wall, be equipped with more than one between above-mentioned backup pad and the prefabricated base and prop the head device, above-mentioned prop head device both ends and contradict backup pad and prefabricated base respectively, above-mentioned prop the head device and be used for exerting thrust to the backup pad, be difficult for the calibration with the reference surface that expects to improve current elevartor shaft bottom structure bottom, make follow-up correction and the longer problem of measuring cycle.

Description

Bottom connecting device of steel structure elevator shaft

Technical Field

The utility model relates to an elevartor shaft connection structure, concretely relates to bottom connecting device of steel construction elevator well.

Background

The elevator shaft is a relatively closed space, and due to the limitation of the shaft wall surface, when the lift car ascends and descends in the shaft, the lift car descends up and down to generate specific pressure change, which is reflected by that the windward end of the lift car is subjected to airflow resistance, so that the dynamic pressure is reduced, and the static pressure is increased to generate positive pressure; on the contrary, the leeward end of the car can generate local vortex, so that the static pressure is reduced to generate negative pressure, and the piston effect is generated.

In general, in order to avoid the influence of a piston effect occurring in a hoistway on the normal operation of a car, a frame structure is generally adopted in the hoistway building process and is matched with a ventilation system in a building, so that air exhausted when the car reciprocates in the hoistway needs to flow around the car, a sufficient gap needs to be ensured between the car and a hoistway wall, and the gap can be built through the structure of the frame. The steel structure elevator mainly adopts the assembled steel construction to build, and the stability of building the structure is through post structure cooperation plate structure constitution frame, combines bearing diagonal structure to carry out load transfer simultaneously and improves stability.

In the actual process of building, need pay attention to the installation of basic node on the one hand, ensure the stability after the structure installation, on the other hand needs to find accurate benchmark to reduce the deviation at the in-process of building, because the deviation is too big, probably lead to building the back bearing load factor of safety and be on the low side. The current steel frame structure is built gradually from the bottom, and reworking may occur due to reference deviation in the building process, so that multiple correction and measurement are needed at present, the construction efficiency is objectively influenced, and therefore, how to optimally build and calibrate the bottom of the hoistway is worth researching.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bottom connecting device of steel construction elevator well to expect that the reference surface that improves current elevartor shaft substructure bottom is difficult for the calibration, makes follow-up correction and the longer problem of measuring cycle.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a bottom connecting device of steel construction elevator well, is including reserving the well, and reserves the well and include a reference surface wall at least, the well bottom is reserved to the aforesaid, is equipped with prefabricated base, is equipped with the installation clearance between above-mentioned prefabricated base lateral wall and the reference surface wall, puts into the backup pad in the above-mentioned installation clearance, and above-mentioned backup pad is used for the laminating and fixes on the reference surface wall, is equipped with more than one between above-mentioned backup pad and the prefabricated base and props the head device, and the above-mentioned backup pad and the prefabricated base of propping are contradicted respectively at first device both ends, and the above-mentioned head device that props is used for exerting thrust to the backup pad.

Preferably, the head supporting device comprises a hollow sleeve, a screw shaft is arranged in the sleeve, a screw nut matched with the screw shaft is arranged at an opening of the sleeve, and the screw nut is used for rotating in the sleeve and driving the screw shaft to move; be equipped with first contact plate on the above-mentioned sleeve, be equipped with the second contact plate on the above-mentioned screw shaft, above-mentioned first contact plate is parallel to each other with the second contact plate, and above-mentioned first contact plate is contradicted backup pad and prefabricated base respectively with the second contact plate.

The technical scheme is that a guide sleeve is arranged on the first contact plate, the guide sleeve is hollow, a guide pillar is arranged in the guide sleeve, the head end of the guide pillar is connected with the second contact plate, and the guide pillar is used for moving in the guide sleeve.

The further technical scheme is that the guide pillar and the guide sleeve are respectively provided with a graduated scale, the outer wall of the screw nut is provided with a socket, and the socket is used for inserting a lever and rotating the screw nut.

The technical scheme is that the first contact plate and the second contact plate are rectangular, a first level meter for detecting longitudinal level is arranged on the first contact plate, and a second level meter for detecting transverse level is arranged at the upper end of the sleeve.

A further technical scheme is that anti-slip layers are arranged on the first contact plate and the second contact plate and are used for contacting the support plate and the prefabricated base.

Preferably, the upper end of the prefabricated base is provided with a groove, a drainage channel is arranged in the prefabricated base, a pipeline is arranged at the upper end of the drainage channel, two ends of the pipeline are respectively communicated with the groove and the drainage channel, and a sand filter screen is arranged in the groove.

Preferably, a support is arranged on the supporting plate and used for being connected with the embedded steel frame, a mounting hole corresponding to the embedded steel frame is formed in the support, and a locking bolt is inserted into the mounting hole.

Compared with the prior art, the beneficial effects of the utility model are one of following at least:

the utility model discloses a backup pad carries out the basis and builds, utilizes prefabricated base to form the loading end, applys thrust to the backup pad through the chaplet device to make backup pad laminating reference surface wall, thereby the backup pad is as the first construction structure of putting up of bottom, can improve the benchmark nature of putting up, also easily rectifies and measures. Use simultaneously the utility model discloses a cost that the structure was built is relatively lower, can not influence original well structural distribution yet.

The utility model discloses a prop first device and pass through the screw shaft and lead screw nut adjusts the clearance between first contact plate and the second contact plate, utilize guide pin bushing and guide pillar to guarantee that the stroke relatively stable of screw shaft at the removal in-process, ensure that the distance of first contact plate and second contact plate is more directly perceived through the scale, after carrying out batch setting, to local slope risk relatively controllable.

The utility model discloses with the setting of returning the spirit level, whether placing of confirming the chaplet device inclines easily, the staff of being convenient for adjusts the chaplet device, makes the thrust relative level that the chaplet device was applyed to the backup pad. The utility model discloses still through the socket design, the staff of being convenient for uses the lever to adjust the stay head device, and the skid resistant course can increase the coefficient of friction of stay head device and backup pad and prefabricated base, avoids adjusting in the use and props the random slope of head.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the head expanding device of the present invention.

Fig. 3 is the installation schematic diagram of the support plate of the present invention.

Description of reference numerals:

1-datum plane wall, 2-prefabricated base, 3-installation gap, 4-support plate, 5-support head device, 6-guide sleeve, 7-, 8-graduated scale, 9-socket, 10-first level gauge, 11-second level gauge, 12-anti-slip layer, 13-support, 14-locking bolt, 201-groove, 202-drainage channel, 203-pipeline, 204-sandstone filter screen, 501-sleeve, 502-lead screw shaft, 503-lead screw nut, 504-first contact plate and 505-second contact plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, an embodiment of the present invention is a bottom connection device of a steel-structured elevator shaft, including a reserved shaft, wherein, the reserved shaft is a reserved structure for installing the elevator, is usually formed by a building body and at least comprises a reference surface wall 1, wherein the reference surface wall 1 is a bearing wall body which is relatively vertical, the bottom of the reserved shaft is provided with a prefabricated base 2, wherein the prefabricated base 2 is an existing steel pier supporting unit, a first-layer steel column is installed through the prefabricated base 2, after the first-layer steel column is built, in order to ensure the stability of the steel frame structure, concrete is required to be used for burying and reinforcing the prefabricated base 2 in the follow-up process, wherein prefabricated base 2 lower extreme has the buttress, is connected with this body of building through the buttress for prefabricated base 2 can stably fix in reservation well bottom.

Be equipped with installation clearance 3 between 2 lateral walls of above-mentioned prefabricated base and the reference face wall 1, put into backup pad 4 in the above-mentioned installation clearance 3, above-mentioned backup pad 4 is used for laminating and fixes on reference face wall 1, is equipped with more than one between above-mentioned backup pad 4 and the prefabricated base 2 and props first device 5, and above-mentioned prop first device 5 both ends and contradict backup pad 4 and prefabricated base 2 respectively, and above-mentioned prop first device 5 is used for exerting thrust to backup pad 4.

Wherein, backup pad 4 is as the basic strength nature structure of elevator steelframe, considers prefabricated base 2 and backup pad 4 need carry out the load transmission, treats that the support head device 5 adjusts the back to the laminating nature of backup pad 4, fixes backup pad 4 on datum plane wall 1 through the bolt, later through pouring muddy earth to installation clearance 3 for installation clearance 3 between backup pad 4 and the prefabricated base 2 has reinforced effect. The welding operation of the steel frame structure assembled on the supporting plate 4 and the steel column pier on the prefabricated base 2 in the building process is facilitated, and the welding seam is a full penetration one-level welding seam.

The elevator shaft frame is characterized in that an elevator shaft frame is arranged on a shaft frame, and the shaft frame is connected with a car frame through a connecting part; therefore, the support plate 4 is attached to the reference surface wall 1 and constitutes a support point, which is advantageous for stable construction of the whole.

Based on the above embodiment, referring to fig. 1 and fig. 2, an embodiment of the present invention is that the above supporting head device 5 includes a sleeve 501, wherein the sleeve 501 is supported by existing steel, the above sleeve 501 is hollow, a screw shaft 502 is disposed in the above sleeve 501, and a space for accommodating the screw shaft 502 is disposed in the hollow of the sleeve 501.

A screw nut 503 matched with the screw shaft 502 is arranged at an opening of the sleeve 501, and the screw nut 503 and the screw shaft 502 are the existing commodities; the screw shaft 502 can move forward or backward by rotating the screw nut 503 on the sleeve 501, and the screw nut 503 is used for rotating in the sleeve 501 and driving the screw shaft 502 to move.

The sleeve 501 is provided with a first contact plate 504, the screw shaft 502 is provided with a second contact plate 505, wherein the first contact plate 504 and the second contact plate 505 are fixed by welding, the first contact plate 504 and the second contact plate 505 are parallel to each other, so that when the screw shaft 502 moves, the distance between the first contact plate 504 and the second contact plate 505 is controllable, and the first contact plate 504 and the second contact plate 505 respectively contact the support plate 4 and the prefabricated base 2. The tension exerted by the first contact plate 504 and the second contact plate 505 ensures that the support plate 4 is adapted to be attached to the reference surface wall 1, whereafter the support plate 4 is secured by bolting.

Further, in order to ensure the stability of the distance change between the first contact plate 504 and the second contact plate 505, a guide sleeve 6 is disposed on the first contact plate 504, the guide sleeve 6 is hollow, a guide post 7 is disposed in the guide sleeve 6, wherein an outer diameter of the guide post 7 is matched with an inner diameter of the guide sleeve 6, a head end of the guide post 7 is connected to the second contact plate 505, the guide post 7 is configured to move in the guide sleeve 6, and the guide post 7 is matched with the guide sleeve 6 to restrain the movement of the screw shaft 502 and the second contact plate 505.

Based on the above-mentioned embodiment, refer to fig. 1 and fig. 2, an embodiment of the present invention is that, all be equipped with scale 8 on above-mentioned guide pillar 7 and guide pin bushing 6, and the initial point on scale 8 is close to first contact plate 504 and second contact plate 505 respectively, wherein, scale 8 on the guide pin bushing 6 records that the initial scale contains first contact plate 504 thickness, and scale 8 on its guide pillar 7 records that the initial scale contains second contact plate 505 thickness.

The outer wall of the screw nut 503 is provided with a socket 9, and the socket 9 is used for inserting a lever and rotating the screw nut 503. The insertion of the lever is facilitated through the insertion opening 9, and the screw nut 503 is rotated by the worker through the lever, and it is noted that although the support plate 4 is made of steel, the support plate 4 can be installed in an auxiliary manner through a hoisting device, so that the worker can completely use the support head device 5 through the insertion opening 9.

Based on the above embodiment, referring to fig. 1 and fig. 2, in an embodiment of the present invention, the first contact plate 504 and the second contact plate 505 are rectangular, the first contact plate 504 is provided with a first level gauge 10 for detecting a vertical level, and the upper end of the sleeve 501 is provided with a second level gauge 11 for detecting a horizontal level. The first contact plate 504 and the second contact plate 505 are rectangular, so that the upper surfaces of the first contact plate 504 and the second contact plate 505 are convenient for installing the level, and meanwhile, the visual horizontal observation of a worker through the level is facilitated.

Wherein, first spirit level 10 and second spirit level 11 are current drop spirit levels, because backup pad 4 laminating datum plane wall 1 back, can fix backup pad 4, consequently, accomplish fixed back at backup pad 4, can take out and prop first device. By using the first level gauge 10 and the second level gauge 11 in cooperation, the worker can completely confirm whether the heading device 5 is at a relative level, so that the heading device 5 has a reference correcting function.

Further, the first contact plate 504 and the second contact plate 505 are both provided with an anti-slip layer 12, and the anti-slip layer 12 is used for contacting the support plate 4 and the prefabricated base 2.

Wherein, skid resistant course 12 is current anti-skidding frosting, makes first contact board 504 and second contact board 505 contact backup pad 4 and prefabricated base 2 back through skid resistant course 12 after, has sufficient coefficient of friction, avoids the staff to use lever operation to influence chaplet device 5.

Based on above-mentioned embodiment, refer to fig. 1 and 2 and show, an embodiment of the utility model is, for the cooperation construction progress, above-mentioned prefabricated base 2 upper end is equipped with recess 201, and above-mentioned prefabricated base 2 is inside to be equipped with drainage channel 202, and above-mentioned drainage channel 202 upper end is equipped with pipeline 203, and above-mentioned pipeline 203 both ends communicate recess 201 and drainage channel 202 respectively, are equipped with grit filter screen 204 in the above-mentioned recess 201. Because the installation flow of part elevartor shaft is generally that the foundation construction is carried out earlier after the design is prepared, just can carry out the steel pier welding after the foundation construction finishes, returns to carry out bottom layer post installation again, the installation of stand, bearing diagonal, mainboard afterwards. Generally, during foundation construction, water seepage may occur, so the prefabricated base 2 is prefabricated in a factory to form a steel frame structure and is laid and embedded on the site, and after embedding, the water seepage condition may also occur, so the groove 201 and the drainage channel 202 are arranged to cope with the water seepage event which may occur. The sand filter screen 204 is mainly paved construction sand, and is used for filtering solid garbage which may appear on one hand, and preventing the solid garbage in the construction environment from blocking the drainage channel 202 and the pipeline 203.

Based on above-mentioned embodiment, refer to fig. 1 and 2 and show, an embodiment of the utility model is that, be equipped with support 13 in the above-mentioned backup pad 4, above-mentioned support 13 is used for connecting pre-buried steelframe, and its support 13 can be current mainboard truss, is equipped with the mounting hole that corresponds with pre-buried steelframe on above-mentioned support 13, and inserts locking bolt 14 in the mounting hole. The embedded steel frame can be an upright post serving as a supporting component, and the support 13 and the upright post are connected into a stable structure force transmission system through the locking bolt 14.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (8)

1. The utility model provides a bottom connecting device of steel construction elevator well, is including reserving the well, and reserves the well and include a reference face wall (1) at least, its characterized in that: reserve the well bottom and be equipped with prefabricated base (2), be equipped with installation clearance (3) between prefabricated base (2) lateral wall and the reference surface wall (1), put into backup pad (4) in installation clearance (3), backup pad (4) are used for laminating and fix on reference surface wall (1), be equipped with more than one between backup pad (4) and prefabricated base (2) and prop first device (5), prop first device (5) both ends and contradict backup pad (4) and prefabricated base (2) respectively, prop first device (5) and be used for applying thrust to backup pad (4).

2. The bottom connection device of a steel structure elevator hoistway of claim 1, wherein: the head supporting device (5) comprises a sleeve (501), the sleeve (501) is hollow, a screw shaft (502) is arranged in the sleeve (501), a screw nut (503) matched with the screw shaft (502) is arranged at an opening of the sleeve (501), and the screw nut (503) is used for rotating in the sleeve (501) and driving the screw shaft (502) to move; the screw shaft is characterized in that a first contact plate (504) is arranged on the sleeve (501), a second contact plate (505) is arranged on the screw shaft (502), the first contact plate (504) and the second contact plate (505) are parallel to each other, and the first contact plate (504) and the second contact plate (505) respectively abut against the supporting plate (4) and the prefabricated base (2).

3. The bottom connection device of a steel structure elevator hoistway of claim 2, wherein: the contact device is characterized in that a guide sleeve (6) is arranged on the first contact plate (504), the guide sleeve (6) is hollow, a guide pillar (7) is arranged in the guide sleeve (6), the head end of the guide pillar (7) is connected with the second contact plate (505), and the guide pillar (7) is used for moving in the guide sleeve (6).

4. The bottom connection device of a steel structure elevator hoistway of claim 3, wherein: the guide post (7) and the guide sleeve (6) are both provided with graduated scales (8), the outer wall of the screw nut (503) is provided with a socket (9), and the socket (9) is used for inserting a lever and rotating the screw nut (503).

5. The bottom connection device of a steel structure elevator hoistway of claim 2, wherein: the first contact plate (504) and the second contact plate (505) are rectangular, a first level gauge (10) for detecting longitudinal level is arranged on the first contact plate (504), and a second level gauge (11) for detecting transverse level is arranged at the upper end of the sleeve (501).

6. The steel structure elevator hoistway bottom connection apparatus of claim 5, wherein: and anti-skid layers (12) are arranged on the first contact plate (504) and the second contact plate (505), and the anti-skid layers (12) are used for contacting the support plate (4) and the prefabricated base (2).

7. The bottom connection device of a steel structure elevator hoistway of claim 1, wherein: prefabricated base (2) upper end is equipped with recess (201), prefabricated base (2) inside is equipped with drainage channel (202), drainage channel (202) upper end is equipped with pipeline (203), pipeline (203) both ends communicate recess (201) and drainage channel (202) respectively, be equipped with grit filter screen (204) in recess (201).

8. The bottom connection device of a steel structure elevator hoistway of claim 1, wherein: the supporting plate (4) is provided with a support (13), the support (13) is used for being connected with an embedded steel frame, the support (13) is provided with a mounting hole corresponding to the embedded steel frame, and a locking bolt (14) is inserted into the mounting hole.

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