CN217296988U - Crane matrix type bearing, pulling, embedding and load balancing structure - Google Patents

Abstract

The utility model discloses a crane matrix type bearing, pulling, pre-burying and load balancing structure, which comprises a lower pre-burying part and an upper connecting part, wherein the lower pre-burying part comprises a pre-burying fixing plate, a pre-burying positioning plate, a lower pre-burying screw, a washer and a nut, the pre-burying fixing plate is connected with the lower part of the lower pre-burying screw through a bolt, and the lower pre-burying positioning plate is connected with the upper part of the lower pre-burying screw; the upper connecting part comprises a load balancing structure, a fastening cross beam, an upper bearing screw, a washer, a nut and a long nut, the lower part of the upper bearing screw is connected with the lower embedded screw through the long nut, the upper part of the upper bearing screw is connected with the fastening cross beam, and the load balancing structure is arranged on the fastening cross beam. The utility model discloses a matrix holds and draws pre-buried and all carry the structure and carry out the load transmission, reduces concentrated atress, practices thrift the basis expense, and the precision is high, and the transition is swift, and the outward appearance is compact, succinct, smooth.

Description

Crane matrix type bearing, pulling, embedding and load balancing structure

Technical Field

The utility model relates to a hoist matrix holds and draws pre-buried and load balancing structure belongs to the hoisting machinery field.

Background

When the crane works with load, the forward tilting moment is large, so that the rear pull rod can generate large upward pulling force, and in order to ensure the hoisting process and the stability of the whole crane, the crane needs to be connected with the embedded bearing structure to prevent the equipment from tipping.

The existing crane embedded bearing structure has large single-point load, concentrated stress, high cost for locally reinforcing concrete and large difficulty; the embedded part is a large steel beam, which is not beneficial to the full pouring of concrete, and the large steel beam is poured into the concrete foundation, so that the embedded part cannot be repeatedly used, is not economical and is not environment-friendly. Most of the existing cranes rely on the ballast weight to ensure the stability of the cranes, and the ballast weight of the ballast weight type foundation is large in size, so that the appearance is influenced; in addition to the foundation being treated, additional concrete or steel weights need to be made, which is less economical.

Disclosure of Invention

The utility model aims to solve the technical problem that to the defect that prior art exists, provide a hoist matrix type holds and draws pre-buried and load balancing structure, can realize swiftly changing over, practice thrift the basis expense.

In order to solve the technical problem, the utility model provides a crane matrix type bearing pre-buried and load balancing structure, which comprises a lower pre-buried part and an upper connecting part, wherein the lower pre-buried part comprises a pre-buried fixing plate, a pre-buried positioning plate, a lower pre-buried screw rod, a gasket and a nut, the pre-buried fixing plate is connected with the lower part of the lower pre-buried screw rod through a bolt, and the lower pre-buried positioning plate is connected with the upper part of the lower pre-buried screw rod; the upper connecting part comprises a load balancing structure, a fastening cross beam, an upper bearing screw, a washer, a nut and a long nut, the lower part of the upper bearing screw is connected with the lower embedded screw through the long nut, the upper part of the upper bearing screw is connected with the fastening cross beam, and the load balancing structure is arranged on the fastening cross beam; in the concrete reinforcing mesh weaving process, a pre-embedded fixing plate is pre-arranged in a foundation pit of a concrete foundation, two lower pre-embedded screws are fixed on the pre-embedded fixing plate through gaskets and nuts, the position accuracy of the lower pre-embedded screws is adjusted, then the lower pre-embedded screws and the pre-embedded positioning plate are fixed together through the gaskets and the nuts, a fastening cross beam, two upper bearing screws, three lower pre-embedded screws, one pre-embedded fixing plate, one pre-embedded positioning plate and connecting pieces of the pre-embedded positioning plate form a matrix unit, a plurality of matrix units form a matrix system, each unit is firmly fixed with a reinforcing mesh, and concrete can be poured; when the concrete strength meets the installation requirement, an upper connecting part is installed, a basic plane is leveled at first, a load balancing structure is installed right above a pre-embedded positioning plate on the upper surface of a wharf and is symmetrically arranged front and back and left and right relative to the pre-embedded positioning plate, a fastening cross beam is installed on the upper surface of the load balancing structure, a connecting bolt hole of the fastening cross beam is right opposite to a bolt hole of the pre-embedded positioning plate, a lower pre-embedded screw and an upper bearing screw are connected through a long nut, the position precision is adjusted, two upper bearing screws are connected with the fastening cross beam through a gasket and a nut, and a plurality of same matrix units finally form a matrix distribution bearing system.

The load balancing structure comprises concentrated load pulling plates, one-level load transfer structures, two-level load transfer structures and three-level load transfer structures, the three-level load transfer structures are arranged in parallel, the two-level load transfer structures are vertically arranged between the two three-level load transfer structures, the one-level load transfer structures are arranged between the two-level load transfer structures, and the concentrated load pulling plates are arranged on the one-level load transfer structures.

The upper bearing screw and the lower embedded screw are both of stud structures with threads at two ends, the two screws are different in length, and the rest parameters are the same; the embedded fixed plate and the embedded positioning plate are identical in structural shape and different in plate thickness.

Has the beneficial effects that: the utility model breaks up the whole concentrated load into parts, and five-stage load transmission is carried out through the matrix bearing pre-embedding and the load balancing structure thereof, so that the concentrated stress is reduced, the foundation design and the field treatment are simpler, the foundation cost is saved, and the cost is reduced; the embedded beams of the large-scale steel structure are reduced, and the concrete and the embedded parts can be fully fused when the concrete is poured; the uniform load structure is machined and manufactured in a factory, and the precision is higher than that of the on-site boring of the embedded beam; the transition is fast, and the original foundation is not damaged; the utility model discloses a remove the design of ballast formula, the outward appearance is compact, succinct, smooth.

Drawings

FIG. 1 is a schematic axial view of the structure of the present invention;

FIG. 2 is an axial view of the load balancing structure of the present invention;

fig. 3 is an axial view of the fastening beam of the present invention;

FIG. 4 is a shaft measuring view of the upper bearing screw and the lower embedded screw of the present invention;

fig. 5 is an axial direction diagram of the pre-buried fixing plate and the pre-buried positioning plate of the present invention;

fig. 6 is an axial view of the long nut of the present invention.

In the figure: 1. a load balancing structure; 2. fastening a cross beam; 3. an upper bearing screw; 4. a gasket; 5. a nut; 6. pre-burying a fixing plate; 7. pre-burying a positioning plate; 8. a long nut; 9. a screw is embedded at the lower part; 11. a concentrated load tie plate; 12. a primary load transfer structure; 13. a secondary load transfer structure; 14. three-stage load transfer structure.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-6, the utility model provides a pre-buried and load-sharing structure is drawn to hoist matrix, including lower part pre-buried part and upper portion coupling part, the pre-buried part of lower part includes pre-buried fixed plate 6, pre-buried locating plate 7, lower part pre-buried screw 9 and packing ring 4 and nut 5, and pre-buried fixed plate 6 passes through bolted connection with lower part pre-buried screw 9 lower part, and lower part pre-buried locating plate 7 is connected with lower part pre-buried screw 9 upper portion, and at the preliminary stage of foundation preparation, the pre-buried part of lower part needs to be pre-buried along with the preparation of basis; the upper connecting part comprises a load balancing structure 1, a fastening cross beam 2, an upper bearing screw 3, a washer 4, a nut 5 and a long nut 8, the lower part of the upper bearing screw 3 is connected with a lower embedded screw 9 through the long nut 8, the upper part of the upper bearing screw 3 is connected with the fastening cross beam 2, the load balancing structure 1 is arranged on the fastening cross beam 2, and the fastening cross beam 2 distributes the force of the load balancing structure 1 again; in the concrete reinforcing mesh weaving process, the pre-embedded fixing plate 6 is pre-arranged to a corresponding position, two lower pre-embedded screws 9 are fixed on the pre-embedded fixing plate 6 through gaskets 4 and nuts 5, the position accuracy of the lower pre-embedded screws 9 is adjusted, then the lower pre-embedded screws 9 and the pre-embedded positioning plates 7 are fixed together through the gaskets 4 and the nuts 5, a fastening cross beam 2, two upper bearing screws 3, three lower pre-embedded screws 9, one pre-embedded fixing plate 6, one pre-embedded positioning plate 7 and connecting pieces of the pre-embedded positioning plates 7 form a matrix unit, a plurality of matrix units form a matrix system, each unit and the reinforcing mesh are fixed firmly, and concrete can be poured; when the concrete strength meets the installation requirement, the upper connecting part is installed, the basic plane is leveled, the load balancing structure 1 is installed right above the embedded positioning plate 7 on the upper surface of the wharf and is symmetrically arranged front and back and left and right relative to the embedded positioning plate 7, the fastening cross beam 2 is installed on the upper surface of the load balancing structure 1, the connecting bolt hole of the fastening cross beam 2 is right opposite to the bolt hole of the embedded positioning plate 7, the lower embedded screw 9 and the upper bearing screw 3 are connected through the long nut 8, the position precision is adjusted, the two upper bearing screws 3 are connected with the fastening cross beam 2 through the washer 4 and the nut 5, and a plurality of identical matrix units finally form a matrix-distributed bearing system.

The load balancing structure comprises a concentrated load pulling plate 11, a first-level load transfer structure 12, a second-level load transfer structure 13 and three-level load transfer structures 14, the two third-level load transfer structures 14 are arranged in parallel, the plurality of second-level load transfer structures 13 are vertically arranged between the two third-level load transfer structures 14, the first-level load transfer structure 12 is arranged between the two second-level load transfer structures 13, and the concentrated load pulling plate 11 is arranged on the first-level load transfer structure 12.

When the system is stressed, concentrated force is transmitted to a first-stage load transmission structure 12, a second-stage load transmission structure 13 and a third-stage load transmission structure 14 in sequence through a concentrated load pull plate 11 of a load balancing structure 1, then the force is transmitted to a fourth-stage load transmission structure fastening cross beam 2, then the force is transmitted to a fifth-stage lower embedded part through the fastening cross beam 2 and an upper bearing screw 3, a matrix system is formed through a plurality of matrix units, the whole upper concentrated load is divided into parts and transmitted to each matrix unit, and concentrated stress is reduced through five-stage load transmission, so that the basic design and field processing are simpler, and the cost of the foundation is effectively reduced; the upper bearing screw 3 and the lower embedded screw 9 are connected through the long nut 8, so that the whole equipment is fast in transition, and the original foundation cannot be damaged.

The upper bearing screw 3 and the lower embedded screw 9 are both of stud structures with threads at two ends, the two screws are different in length, and the other parameters are the same; the embedded fixed plate 6 and the embedded positioning plate 7 have the same structural shape and different plate thicknesses.

The pre-buried method of pre-buried and load balancing structure is held to hoist matrix include following step:

1) in the concrete reinforcing mesh weaving process, the pre-embedded fixing plate 6 is pre-arranged in a foundation pit of a concrete foundation, and two lower pre-embedded screws 9 are fixed on the pre-embedded fixing plate 6 through the gasket 4 and the nut 5;

2) adjusting the position accuracy of the lower embedded screw 9, and fixing the lower embedded screw 9 and the embedded positioning plate 7 together through the gasket 4 and the nut 5;

3) the matrix units formed in the steps 1) and 2) are firmly fixed with the reinforcing mesh, and concrete can be poured;

4) when the concrete strength meets the installation requirement, installing an upper connecting part, firstly leveling a base plane, installing the uniform load structure 1 right above the embedded positioning plate 7 on the upper surface of the wharf, symmetrically arranging the uniform load structure in a front-back and left-right manner relative to the embedded positioning plate 7, then installing the fastening cross beam 2 on the upper surface of the uniform load structure 1, wherein a connecting bolt hole of the fastening cross beam 2 is over against a bolt hole of the embedded positioning plate 7;

5) the lower embedded screw 9 and the upper bearing screw 3 are connected through the long nut 8, the position accuracy is well adjusted, the two upper bearing screws 9 are connected with the fastening cross beam 2 through the gasket 4 and the nut 5, and a plurality of same matrix units finally form a bearing system distributed in a matrix mode, so that the upward pulling force of the equipment during working is resisted.

The utility model adopts the pressure-reducing design, the load-balancing structure of the upper connecting part transmits the force to the fastening beam of the fourth stage through the internal three-stage load transmission, and then transmits the force to the lower embedded part of the fifth stage through the fastening beam and the upper bearing screw rod, so as to break the concentrated load into parts, and through the five-stage load transmission, the concentrated stress is reduced, the basic design and the field treatment are simpler, the cost of the foundation is effectively reduced, and the appearance is compact, concise and smooth; the embedded beams of the steel structure are reduced, and the concrete and the embedded parts can be fully fused when the concrete is poured; the uniform load structure can be processed and manufactured in a factory, and the precision is higher than that of on-site boring of the embedded beam.

The above embodiments of the present invention are only examples, not only, and all changes within the scope of the present invention or the same range of the present invention are all encompassed by the present invention.

Claims (3)

1. The utility model provides a hoist matrix type holds draws pre-buried and load balancing structure which characterized in that: the lower embedded part comprises an embedded fixing plate (6), an embedded positioning plate (7), a lower embedded screw (9), a gasket (4) and a nut (5), the embedded fixing plate (6) is connected with the lower part of the lower embedded screw (9) through a bolt, and the lower embedded positioning plate (7) is connected with the upper part of the lower embedded screw (9); the upper connecting part comprises a load balancing structure (1), a fastening cross beam (2), an upper bearing screw (3), a gasket (4), a nut (5) and a long nut (8), the lower part of the upper bearing screw (3) is connected with a lower embedded screw (9) through the long nut (8), the upper part of the upper bearing screw (3) is connected with the fastening cross beam (2), and the load balancing structure (1) is arranged on the fastening cross beam (2); the device comprises a fastening cross beam (2), two upper bearing screw rods (3), three lower embedded screw rods (9), an embedded fixing plate (6), an embedded positioning plate (7) and connecting pieces thereof to form a matrix unit, and a plurality of matrix units form a matrix system.

2. The crane matrix type bearing, pulling, embedding and load balancing structure of claim 1, wherein: load balancing structure (1) is including concentrated load arm-tie (11), one-level load transmission structure (12), second grade load transmission structure (13) and tertiary load transmission structure (14), two tertiary load transmission structure (14) parallel arrangement, a plurality of second grade load transmission structure (13) set up perpendicularly between two tertiary load transmission structure (14), one-level load transmission structure (12) set up between two second grade load transmission structure (13), concentrated load arm-tie (11) set up on one-level load transmission structure (12).

3. The crane matrix type bearing, pulling, embedding and load balancing structure of claim 1 or 2, wherein: the upper bearing screw (3) and the lower embedded screw (9) are both of stud structures with threads at two ends, the two screws are different in length, and the rest parameters are the same; the embedded fixing plate (6) and the embedded positioning plate (7) are identical in structural shape and different in plate thickness.

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