CN214935143U

CN214935143U - Prefabricated part for pit of elevator shaft

Info

Publication number: CN214935143U
Application number: CN202120943525.4U
Authority: CN
Inventors: 张伟刚
Original assignee: Jiangjin Construction Engineering Wuhan Co ltd
Current assignee: Jiangjin Construction Engineering Wuhan Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-30
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses an elevator well pit prefab, including pit base plate, connecting piece and prefab, the pit base plate is located the foundation ditch, pit base plate top is equipped with a plurality of the connecting piece, the connecting piece includes the fixed plate, the bottom of fixed plate run through to be connected fixedly with the reinforcing bar net in the pit base plate, the side middle part of fixed plate is equipped with the screw hole, the fixed plate top is equipped with torque spring, the top both sides of fixed plate just are located torque spring's top all is equipped with the sleeve, be equipped with the pivot in the sleeve, the middle part of pivot is equipped with the fly leaf, torque spring's tip with the extrusion is in the fly leaf is in the same place. Has the advantages that: through the design of stopper for the home range of fly leaf receives the restriction, and when the fly leaf got into the recess, the fly leaf was under the effect of torque spring and limiting plate, thereby the removal of restriction bottom plate, thereby makes pit base plate and bottom plate connect into a whole.

Description

Prefabricated part for pit of elevator shaft

Technical Field

The utility model relates to an elevartor shaft technical field particularly, relates to an elevator well pit prefab.

Background

Old district installs the elevator well additional, and civil engineering, existing building do not reserve the elevator well, and installs the elevator additional and need a strong point and foundation structure.

The elevartor shaft is the well of installation elevator, along with the development of society, make current well high-rise and bottom building, demand to the elevator increases day by day, when installing the elevator in elevator well bottom, need be at the bottom erection bracing frame of elevator well, but traditional support piece adopts to cast on the scene mostly and forms, not only the efficiency of construction is slower, influence the efficiency of construction, and also there is the problem that increases work load when pouring, be not convenient for use, also there is elevator well pit prefab on the existing market, install the bottom at the well with the prefab, though great improvement the progress of construction, but when installing the prefab, there is the problem of installation and dismantlement not convenient for, be not convenient for use.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides an elevator well pit prefab to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

an elevator well pit prefabricated part comprises a pit base plate, connecting pieces and a prefabricated part, wherein the pit base plate is positioned in a foundation pit, a plurality of connecting pieces are arranged at the top of the pit base plate, each connecting piece comprises a fixed plate, the bottom of each fixed plate penetrates into the pit base plate and is fixedly connected with a reinforcing mesh, a threaded hole is formed in the middle of the side edge of each fixed plate, a torque spring is arranged at the top of each fixed plate, sleeves are arranged on two sides of the top of each fixed plate and above the torque springs, a rotating shaft is arranged in each sleeve, a movable plate is arranged in the middle of each rotating shaft, the end part of each torque spring is extruded with the inner side of each movable plate, a limiting block is arranged at the top of each fixed plate, the outer surface of the top of each movable plate is in contact with the bottom of the limiting block, the prefabricated part comprises a box body and a bottom plate, and the box body consists of four raft plates, the interior bottom of bottom plate is equipped with a plurality of recess, the top of connecting piece extends to in the recess, the tip of fly leaf with the inner wall of recess contacts, in the recess bottom one side and with the same axis department of screw hole is equipped with and has preset the screw thread spare, recess surface one side and with the same axis department of screw hole is equipped with the through-hole, the through-hole runs through to in the recess, be equipped with the threaded rod in the through-hole, the threaded rod passes through the through-hole runs through the screw hole extends to in the screw thread spare, four tip at raft board top are equipped with an embedded part steel sheet respectively, the top of raft board just is located adjacent two all be equipped with between the embedded part steel sheet and lift by crane the lug, prefab one side is equipped with ground connection band steel lead wire.

Preferably, the top of the fixing plate is provided with a movable hole, a shaft rod is arranged in the movable hole, and the torque spring is sleeved on the shaft rod.

Preferably, the middle part of the outer surface of the sleeve is provided with a movable groove matched with the movable plate.

Preferably, a sliding groove is formed in one side, close to the outer surface of the fixed plate, of the movable plate, and the sliding groove is matched with the end portion of the torque spring.

Preferably, the fixing plate, the limiting block and the sleeve are of an integral structure, and the fixing plate, the limiting block and the sleeve are made of low alloy steel materials.

Preferably, both ends of the bottom of the limiting block are bevel edge structures, and the angle of each bevel edge is matched with the moving range of the movable plate.

The utility model has the advantages that: the movable range of the movable plate is limited through the design of the limiting block, when the movable plate enters the groove, the movable plate is under the action of the torque spring and the limiting plate, so that the movement of the bottom plate is limited, and the pit base plate and the bottom plate are connected into a whole; through the design of the sliding chute, the end part of the torque spring is convenient to move, and meanwhile, the abrasion between the torque spring and the movable plate is reduced; the safety risk of site construction molding is reduced, the quality of a foundation structure is improved, and the site construction period is shortened (environmental protection, reduction of disturbance to residents, improvement of production efficiency and reduction of construction period).

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a prefabricated member of an elevator hoistway pit prefabricated member according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an elevator hoistway pit preform according to an embodiment of the present invention in a front view;

fig. 3 is a schematic view of a connection structure between a bottom plate and a pit base plate of an elevator shaft pit prefabricated member according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a connection structure of an elevator hoistway pit preform according to an embodiment of the present invention;

fig. 5 is a torque spring structure schematic diagram of elevator well pit prefab according to the utility model discloses an embodiment.

In the figure:

1. a pit substrate; 2. a prefabricated member; 3. a fixing plate; 4. a limiting block; 5. a sleeve; 6. a rotating shaft; 7. a movable plate; 8. a chute; 9. a torque spring; 10. a raft plate; 11. a base plate; 12. a through hole; 13. a groove; 14. a threaded hole; 15. a threaded member; 16. a threaded rod; 17. a grounded flat steel lead; 18. an embedded part steel plate; 19. and lifting lugs.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an elevator well pit prefab.

Embodiment one, as shown in fig. 1 to 5, an elevator hoistway pit prefabricated member according to an embodiment of the present invention includes a pit base plate 1, a connecting member and a prefabricated member 2, wherein the pit base plate 1 is located in a pit, the top of the pit base plate 1 is provided with a plurality of the connecting members, the connecting member includes a fixed plate 3, the bottom of the fixed plate 3 penetrates into the pit base plate 1 and is connected and fixed with a reinforcing mesh, the middle of the side edge of the fixed plate 3 is provided with a threaded hole 14, the top of the fixed plate 3 is provided with a torque spring 9, sleeves 5 are arranged on both sides of the top of the fixed plate 3 and above the torque spring 9, a rotating shaft 6 is arranged in each sleeve 5, the middle of the rotating shaft 6 is provided with a movable plate 7, the end of the torque spring 9 is pressed together with the inner edge of the movable plate 7, the top of the fixed plate 3 is provided with a stopper 4, the outer surface of the top of the movable plate 7 is in contact with the bottom of the limit block 4, the prefabricated member 2 comprises a box body and a bottom plate 11, the box body is composed of four raft plates 10, a plurality of grooves 13 are formed in the inner bottom of the bottom plate 11, the top of the connecting piece extends into the grooves 13, the end of the movable plate 7 is in contact with the inner walls of the grooves 13, preset threaded pieces 15 are arranged on one side of the inner bottom of the grooves 13 and on the same axis with the threaded holes 14, through holes 12 are formed in one side of the outer surface of the grooves 13 and on the same axis with the threaded holes 14, the through holes 12 penetrate into the grooves 13, threaded rods 16 are arranged in the through holes 12, the threaded rods 16 penetrate through the threaded holes 12 and extend into the threaded pieces 15, and four end portions of the top of the raft plates 10 are respectively provided with embedded steel plates 18, the top of raft 10 just is located adjacent two all be equipped with between the built-in fitting steel sheet 18 and lift by

crane lug

19, 2 one side of prefab is equipped with ground connection band steel lead wire 17.

In the second embodiment, a movable hole is formed in the top of the fixing plate 3, a shaft rod is arranged in the movable hole, and the torque spring 9 is sleeved on the shaft rod. It is obvious from the above design that the design of the movable hole and the shaft lever is relatively conventional and therefore will not be described in detail.

In the third embodiment, a movable groove matched with the movable plate 7 is formed in the middle of the outer surface of the sleeve 5, a sliding groove 8 is formed in one side of the movable plate 7, which is close to the outer surface of the fixed plate 3, and the sliding groove 8 is matched with the end of the torque spring 9. As can be seen from the above design, through the design of the sliding groove 8, the end of the torque spring 9 can be moved conveniently, and the abrasion between the torque spring 9 and the movable plate 7 can be reduced.

In a fourth embodiment, the fixing plate 3, the limiting block 4 and the sleeve 5 are of an integrated structure, and the fixing plate 3, the limiting block 4 and the sleeve 5 are all made of low alloy steel material. It can be seen from the above design that the fixing plate 3, the limiting block 4 and the sleeve 5 are connected into a whole by the design of the integrated structure.

In the fifth embodiment, both ends of the bottom of the limiting block 4 are bevel edge structures, and the angle of the bevel edge is matched with the moving range of the movable plate 7. From the above design, it is easy to see that the design of the limiting block 4 limits the moving range of the movable plate 7, and when the movable plate 7 enters the groove 13, the movable plate 7 is under the action of the torque spring 9 and the limiting plate 4 to limit the movement of the bottom plate 11, so that the pit base plate 1 and the bottom plate 1 are connected into a whole.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In summary, with the above technical solution of the present invention, the prefabricated component 2 is lifted by the lifting device and the lifting lug 19, then the groove 13 at the bottom of the bottom plate 11 is aligned with the connecting member, then the bottom plate 11 is lowered, the connecting member enters the groove 13, the two movable plates 7 on the connecting member contact and press the inner wall of the groove 13, the movable plate 7 rotates (the torque spring 9 is gradually compressed) toward the fixed plate 3 with the rotating shaft 6 as a fulcrum, when the movable plate 7 moves to the top of the groove 13, the movable plate 7 is opened under the action of the torque spring 9, the side edge of the movable plate 7 is pressed with the inner wall of the groove 13, and the movable plate 7 is only opened to a certain angle under the action of the stopper 4, so that the movable plate 7 interacts with the groove 13, thereby the pit base plate 1 and the bottom plate 11 are connected into a whole, and then the threaded rod 16 is inserted into the threaded hole 14 through the through hole 12, the threaded rod 16 is connected with the threaded hole 14 and the threaded piece 15 by rotating the threaded rod 16, so that the threaded rod 16, the fixing plate 3 and the bottom plate 11 are connected into a whole, and the stability between the pit base plate 1 and the bottom plate 11 is improved.

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

Claims

1. The prefabricated part for the elevator hoistway pit is characterized by comprising a pit base plate (1), a connecting piece and a prefabricated part (2), wherein the pit base plate (1) is positioned in a foundation pit, the top of the pit base plate (1) is provided with a plurality of connecting pieces, each connecting piece comprises a fixing plate (3), the bottom of each fixing plate (3) penetrates through the bottom of the corresponding pit base plate (1) to be fixedly connected with a reinforcing mesh, the middle of the side edge of each fixing plate (3) is provided with a threaded hole (14), the top of each fixing plate (3) is provided with a torque spring (9), two sides of the top of each fixing plate (3) are positioned above the corresponding torque spring (9) and are provided with a sleeve (5), a rotating shaft (6) is arranged in each sleeve (5), the middle of each rotating shaft (6) is provided with a movable plate (7), the end part of each torque spring (9) is extruded together with the corresponding movable plate (7), the top of fixed plate (3) is equipped with stopper (4), the top surface of fly leaf (7) with the bottom of stopper (4) contacts, prefab (2) include with box and bottom plate (11), the box comprises four raft slabs (10), the interior bottom of bottom plate (11) is equipped with a plurality of recess (13), the top of connecting piece extends to in the recess (13), the tip of fly leaf (7) with the inner wall of recess (13) contacts, bottom one side in recess (13) and with screw hole (14) same axis department is equipped with preset threaded part (15), recess (13) surface one side and with screw hole (14) same axis department is equipped with through-hole (12), through-hole (12) run through to in the recess (13), be equipped with threaded rod (16) in through-hole (12), threaded rod (16) pass through-hole (12) run through screw hole (14) extend to in screw (15), four tip at raft board (10) top are equipped with one built-in fitting steel sheet (18) respectively, the top of raft board (10) just is located adjacent two all be equipped with between built-in fitting steel sheet (18) and lift by crane lug (19), prefab (2) one side is equipped with ground connection band steel lead wire (17).

2. The prefabricated member of the pit of the elevator shaft as claimed in claim 1, wherein a movable hole is formed at the top of the fixing plate (3), a shaft rod is arranged in the movable hole, and the torque spring (9) is sleeved on the shaft rod.

3. The prefabricated member of the pit of the elevator shaft as claimed in claim 1, wherein the sleeve (5) has a movable groove formed in the middle of the outer surface thereof for engaging with the movable plate (7).

4. An elevator shaft pit prefabricated member according to claim 1, characterized in that the movable plate (7) is provided with a sliding groove (8) at one side close to the outer surface of the fixed plate (3), and the sliding groove (8) is matched with the end of the torque spring (9).

5. An elevator hoistway pit prefabricated member according to claim 1, characterized in that the fixing plate (3) and the stopper (4) and the sleeve (5) are of an integral structure, and the fixing plate (3) and the stopper (4) and the sleeve (5) are made of low alloy steel material.

6. The prefabricated member of the pit of the elevator shaft as claimed in claim 1, wherein both ends of the bottom of the limiting block (4) are of a bevel edge structure, and the angle of the bevel edge is matched with the moving range of the movable plate (7).