CN109596335B - Limiting mechanism and limiting method - Google Patents

Limiting mechanism and limiting method Download PDF

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Publication number
CN109596335B
CN109596335B CN201910065293.4A CN201910065293A CN109596335B CN 109596335 B CN109596335 B CN 109596335B CN 201910065293 A CN201910065293 A CN 201910065293A CN 109596335 B CN109596335 B CN 109596335B
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China
Prior art keywords
limiting
connecting seat
fixed
rod
seat
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CN109596335A (en
Inventor
徐吉民
幸坤涛
高向宇
郭小华
陈佳宇
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Central Research Institute of Building and Construction Co Ltd MCC Group
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Central Research Institute of Building and Construction Co Ltd MCC Group
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/04Chucks

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Transmission Devices (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

The invention relates to the technical field of building industry, and provides a limiting mechanism and a limiting method. The limiting mechanism comprises: the device comprises a connecting unit and a limiting unit; the limiting unit comprises a connecting rod, a limiting piece is arranged on the connecting rod, and the connecting unit is connected with the limiting piece; the connecting unit comprises a connecting seat and two connecting plates, one side of the connecting seat is connected with the limiting piece, the connecting plates are arranged on the other side of the connecting seat, and connecting grooves are formed between the adjacent connecting plates. According to the limiting mechanism, one side of the connecting seat is connected with the limiting piece, the connecting plate is arranged on the other side of the connecting seat, the to-be-limited mechanism is located in the symmetrically arranged connecting grooves, the to-be-limited mechanism is limited in the left-right direction through the limiting piece and the connecting seat, out-of-plane torsion instability of the to-be-limited mechanism can be prevented, and the stability is good.

Description

Limiting mechanism and limiting method
Technical Field
The invention relates to the technical field of building industry, in particular to a limiting mechanism capable of preventing a mechanism to be limited from lateral movement and a limiting method.
Background
With the continuous development of the building industry in China, the research on tests of various building structure forms is also increasing. Because of the site conditions and equipment limitations of each laboratory, experimental study cannot be performed on the whole building structure, a certain truss of the building structure is usually processed into a substructure expansion experimental study. In the test, as the substructure is usually a single structure, the out-of-plane rigidity is smaller, and the out-of-plane torsion instability phenomenon easily occurs when the substructure bears horizontal load, thereby leading to test failure. What is needed is a limiting mechanism which can ensure the stability in the plane of a test structure and is convenient to install.
The internal rigidity of the mold surface of the substructure in the static test research of the existing building structure is small, and the out-of-plane instability easily occurs when the substructure bears horizontal load, so that the test fails.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a limiting mechanism to solve the problems that the internal rigidity of the mold surface of a substructure in the static test research of the existing building structure is small, the out-of-plane instability is easy to occur when horizontal load is born, and the test fails.
Technical proposal
In order to solve the technical problems, the limiting mechanism provided by the invention comprises: the device comprises a connecting unit and a limiting unit;
the limiting unit comprises a connecting rod, a limiting piece is arranged on the connecting rod, and the connecting unit is connected with the limiting piece;
the connecting unit comprises a connecting seat and two connecting plates, one side of the connecting seat is connected with the limiting piece, the connecting plates are arranged on the other side of the connecting seat, and connecting grooves are formed between the adjacent connecting plates.
According to the limiting mechanism, one side of the connecting seat is connected with the limiting piece, the connecting plate is arranged on the other side of the connecting seat, the to-be-limited mechanism is located in the symmetrically arranged connecting grooves, the to-be-limited mechanism is limited in the left-right direction through the limiting piece and the connecting seat, out-of-plane torsion instability of the to-be-limited mechanism can be prevented, and the stability is good.
The connecting plate can be fixed through parts such as screws with waiting stop gear, and two connecting plates are first connecting plate and second connecting plate, are provided with the spread groove between first connecting plate and the second connecting plate, wait that stop gear both sides are fixed respectively in the spread groove of both sides.
In any of the above schemes, further, a pulley is arranged between the limiting piece and the connecting seat, and the connecting seat is connected with the limiting piece through the pulley.
In any of the above schemes, further, a fixing plate is arranged on the connecting seat corresponding to the pulley, and the pulley is arranged on the fixing plate.
In any of the above schemes, further, the connection seat slides relative to the pulley, and sliding limiting blocks are arranged on two sides of the fixing plate and used for limiting the connection seat to slide.
In any of the above schemes, further, the connecting rod is fixed on the fixed rod through a connecting piece;
the fixed rod comprises a first fixed rod and a second fixed rod which are correspondingly arranged, and the to-be-limited mechanism is located between the first fixed rod and the second fixed rod.
The connecting piece can be the connecting plate, and the connecting rod is provided with the connecting plate corresponding to the dead lever, and the connecting plate is connected with the dead lever through modes such as screw.
Two connecting plates can be arranged on two sides of the fixed rod, and the two connecting plates are fixed on the fixed rod through parts such as screws.
In any of the above schemes, further, the fixing rods are multiple, the connecting rods are connected with multiple fixing rods, and the fixing rods are uniformly distributed along the axis direction of the connecting rods.
In any of the above aspects, further, a plurality of the stoppers are provided along an axial direction of the connecting rod.
In any of the above schemes, further, a reinforcing plate is arranged between the connecting seat and the connecting plate.
In any of the above schemes, further, the connecting plate is provided with a lightening hole.
The invention also provides a limiting method, wherein the limiting mechanism is applied, and the specific steps are as follows:
one side of the connecting seat is connected with the limiting piece, the other side of the connecting seat is provided with a connecting plate for fixing the to-be-limited mechanism, and the connecting plate can prevent the to-be-limited mechanism from being left and right and up and down.
The limiting mechanism comprises a connecting rod, limiting pieces and connecting pieces, wherein the plurality of limiting pieces are arranged on the connecting rod, the limiting pieces are in contact with the connecting pieces through pulleys, the connecting pieces comprise connecting seats, a first connecting plate and a second connecting plate which are arranged on the connecting seats, and the limiting mechanism to be limited is positioned between the first connecting plate and the second connecting plate. The connecting piece is fixed with waiting stop gear, and a plurality of locating parts pass through pulley and connecting piece contact connection, can be provided with the fixed plate that is used for fixed pulley on the connecting seat as required. Experiments show that the limiting piece can increase and limit the limiting mechanism, the limiting mechanism is fixed relative to the fixed rod, and out-of-plane torsion instability of the limiting mechanism can be prevented.
Advantageous effects
According to the limiting mechanism, one side of the connecting seat is connected with the limiting piece, the connecting plate is arranged on the other side of the connecting seat, the to-be-limited mechanism is located in the symmetrically arranged connecting grooves, the to-be-limited mechanism is limited in the left-right direction through the limiting piece and the connecting seat, out-of-plane torsion instability of the to-be-limited mechanism can be prevented, and the stability is good.
Further, a pulley is arranged between the limiting piece and the connecting seat, and the connecting seat is connected with the limiting piece through the pulley.
Further, a fixing plate is arranged on the connecting seat corresponding to the pulley, and the pulley is arranged on the fixing plate.
Further, a plurality of the stoppers are provided along the axial direction of the connecting rod.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the invention and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a first view structure of a limiting mechanism and a frame according to a first embodiment of the present invention;
FIG. 2 is a top view of a spacing mechanism and frame provided in accordance with a first embodiment of the present invention;
fig. 3 is a schematic structural view of a connecting rod and a frame in a limiting mechanism according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of a limiting mechanism according to a first embodiment of the present invention;
fig. 5 is a top view of a limiting mechanism and a frame according to a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a limiting mechanism according to a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of a sliding stopper in a stopper mechanism according to a second embodiment of the present invention.
Reference numerals:
1-a connector; 2-connecting rods; 3-limiting parts;
4-pulleys; 5-connecting seats; 6-a first connection plate;
7-a second connecting plate; 9-a fixed rod; 10-fixing plates;
11-a mechanism to be limited; 12-sliding limiting block.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Fig. 1 is a schematic view of a first view structure of a limiting mechanism and a frame according to a first embodiment of the present invention; FIG. 2 is a top view of a spacing mechanism and frame provided in accordance with a first embodiment of the present invention; fig. 3 is a schematic structural view of a connecting rod and a frame in a limiting mechanism according to a first embodiment of the present invention; fig. 4 is a schematic structural diagram of a limiting mechanism according to an embodiment of the present invention.
As shown in fig. 1 to 4, the limiting mechanism provided by the present invention includes: the device comprises a connecting unit and a limiting unit;
the limiting unit comprises a connecting rod 2, a limiting piece 3 is arranged on the connecting rod 2, and the connecting unit is connected with the limiting piece 3;
the connecting unit comprises a connecting seat 5 and two connecting plates, one side of the connecting seat 5 is connected with the limiting piece 3, the connecting plates are arranged on the other side of the connecting seat 5, and connecting grooves are formed between the adjacent connecting plates.
In the limiting mechanism provided by the invention, one side of the connecting seat 5 is connected with the limiting piece 3, the connecting plate is arranged on the other side of the connecting seat 5, the to-be-limited mechanism 11 is positioned in the symmetrically arranged connecting grooves, and the to-be-limited mechanism 11 is limited in the left-right direction through the limiting piece 3 and the connecting seat 5, so that out-of-plane torsion instability of the to-be-limited mechanism 11 can be prevented, and the stability is good.
The connecting plate can be fixed through parts such as screws with waiting stop gear 11, and two connecting plates are first connecting plate 6 and second connecting plate 7, are provided with the spread groove between first connecting plate 6 and the second connecting plate 7, wait that stop gear 11 both sides are fixed respectively in the spread groove of both sides. As shown in fig. 1, the limiting mechanism can limit the left-right direction of the mechanism to be limited 11, and the mechanism to be limited 11 can slide in the direction perpendicular to the paper surface.
In any of the above schemes, further, a pulley 4 is disposed between the limiting member 3 and the connecting seat 5, and the connecting seat 5 is connected with the limiting member 3 through the pulley 4.
In any of the above solutions, further, the connecting rod 2 is fixed to the fixing rod 9 by the connecting member 1;
the fixed rod 9 comprises a first fixed rod 9 and a second fixed rod 9 which are correspondingly arranged, and the to-be-limited mechanism 11 is located between the first fixed rod 9 and the second fixed rod 9.
The connecting piece 1 can be a connecting plate, the connecting rod 2 is provided with a connecting plate corresponding to the fixed rod 9, and the connecting plate is connected with the fixed rod 9 by means of screws and the like.
Two connecting plates can be arranged on two sides of the fixed rod 9, and the two connecting plates are fixed on the fixed rod 9 through parts such as screws.
In any of the above embodiments, further, the plurality of fixing rods 9 may be provided, the connecting rod 2 may be connected to the plurality of fixing rods 9, and the plurality of fixing rods 9 may be uniformly distributed along the axial direction of the connecting rod 2.
One end of the connecting rod 2 is connected with a fixed rod 9 positioned at the front end, and the other end is connected with a fixed rod 9 positioned at the rear end.
The connecting seat 5 is contacted with the pulley 4, a certain acting force is arranged between the pulley 4 and the connecting seat 5, and the pulley 4 is prevented from being displaced relative to the connecting seat 5 in the up-down direction.
In any of the above, further, a plurality of the stoppers 3 are provided along the axial direction of the connecting rod 2.
In any of the above aspects, further, a reinforcing plate is disposed between the connection base 5 and the connection plate.
In any of the above schemes, further, the connecting plate is provided with a lightening hole. The shape of the lightening holes is not limited in order to reduce the weight of the connection plate.
The invention also provides a limiting method, wherein the limiting mechanism is applied, and the specific steps are as follows:
one side of the connecting seat is connected with the limiting piece, the other side of the connecting seat is provided with a connecting plate for fixing the to-be-limited mechanism, and the connecting plate can prevent the to-be-limited mechanism from being left and right and up and down.
Example two
Fig. 5 is a top view of a limiting mechanism and a frame according to a second embodiment of the present invention; fig. 6 is a schematic structural diagram of a limiting mechanism according to a second embodiment of the present invention.
As shown in fig. 5 to 7, in order to prevent the pulley 4 from sliding off the connection seat 5, in any of the above embodiments, a fixing plate 10 is further provided on the connection seat 5 corresponding to the pulley 4, and the pulley 4 is provided on the fixing plate 10.
In any of the above solutions, further, the connection seat 5 slides relative to the pulley 4, and two sides of the fixing plate 10 are provided with sliding limiting blocks 12, and the sliding limiting blocks 12 are used for limiting the connection seat 5 to slide.
The connecting seat 5 is communicated with the to-be-limited mechanism 11 to move relative to the limiting piece 3 and the pulley 4, but the moving range is limited by the sliding limiting block 12. The rest of the first embodiment is not described here again.
The limiting mechanism provided by the invention comprises a connecting rod 2, a plurality of limiting pieces 3 and a connecting unit, wherein the plurality of limiting pieces 3 are arranged on the connecting rod 2, the limiting pieces 3 are contacted with the connecting unit through pulleys 4, the connecting unit comprises a connecting seat 5, a first connecting plate 6 and a second connecting plate 7 which are arranged on the connecting seat 5, and the limiting mechanism 11 to be limited is positioned between the first connecting plate 6 and the second connecting plate 7. The connecting rod 2 is connected with the fixed rod 9 through the connecting piece 1, one end of the limiting mechanism is fixed with the to-be-limited mechanism 11, and the other end of the limiting mechanism is connected with the fixed rod 9. The limiting piece 3 is in contact connection with the connecting seat 5 through the pulley 4, and a fixing plate 10 for fixing the pulley 4 can be arranged on the connecting seat 5 according to the requirement. The to-be-limited mechanism 11 is fixed between the fixed rods 9 at two sides under the action of the two limiting mechanisms. Experiments show that the limiting piece 3 can increase and limit the limiting mechanism, the limiting mechanism is fixed relative to the fixed rod 9, and out-of-plane torsion instability of the limiting mechanism 11 can be prevented.
In summary, in the limiting mechanism provided by the invention, one side of the connecting seat is connected with the limiting piece, the connecting plate is arranged on the other side of the connecting seat, the to-be-limited mechanism is positioned in the symmetrically arranged connecting grooves, and the to-be-limited mechanism is limited in the left-right direction through the limiting piece and the connecting seat, so that out-of-plane torsion instability of the to-be-limited mechanism can be prevented, and the stability is good.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims below, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Claims (8)

1. The limiting mechanism is characterized by comprising a connecting unit and a limiting unit;
the limiting unit comprises a connecting rod, a limiting piece is arranged on the connecting rod, and the connecting unit is connected with the limiting piece;
the connecting unit comprises a connecting seat and two connecting plates, a pulley is arranged between the limiting piece and the connecting seat, one side of the connecting seat is connected with the limiting piece through the pulley, the connecting plates are arranged on the other side of the connecting seat, and a connecting groove is formed between the adjacent connecting plates;
the connecting rod is fixed on the fixed rod through a connecting piece; the fixed rod comprises a first fixed rod and a second fixed rod which are correspondingly arranged, and the to-be-limited mechanism is located between the first fixed rod and the second fixed rod.
2. The spacing mechanism of claim 1, wherein,
the connecting seat is provided with a fixed plate corresponding to the pulley, and the pulley is arranged on the fixed plate.
3. A spacing mechanism as claimed in claim 2, characterized in that,
the connecting seat slides relative to the pulley, the fixed plate both sides are provided with the slip stopper, the slip stopper is used for limiting the connecting seat slides.
4. The spacing mechanism of claim 1, wherein,
the fixed rods are multiple, the connecting rods are connected with the multiple fixed rods, and the multiple fixed rods are uniformly distributed along the axis direction of the connecting rods.
5. The spacing mechanism of claim 1, wherein,
the limiting pieces are arranged along the axial direction of the connecting rod.
6. The spacing mechanism of claim 1, wherein,
a reinforcing plate is arranged between the connecting seat and the connecting plate.
7. The spacing mechanism of claim 1, wherein,
and the connecting plate is provided with a lightening hole.
8. A limiting method, characterized in that the limiting mechanism according to any one of the preceding claims 1-7 is applied, comprising the following specific steps:
one side of the connecting seat is connected with the limiting piece, the other side of the connecting seat is provided with a connecting plate for fixing the to-be-limited mechanism, and the connecting plate can prevent the to-be-limited mechanism from being left and right and up and down.
CN201910065293.4A 2019-01-23 2019-01-23 Limiting mechanism and limiting method Active CN109596335B (en)

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CN109596335B true CN109596335B (en) 2024-03-08

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110108508B (en) * 2019-04-22 2021-09-24 东南大学 Bidirectional anti-torsion device for beam-column structure continuous collapse test

Citations (5)

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Publication number Priority date Publication date Assignee Title
CN207173357U (en) * 2017-08-29 2018-04-03 江苏力乐汽车部件股份有限公司 A kind of automotive seat folder position-limit mechanism
WO2018076823A1 (en) * 2016-10-27 2018-05-03 珠海格力电器股份有限公司 Air baffle assembly and thermantidote having same
CN207309429U (en) * 2017-09-18 2018-05-04 广州鑫娄山模具有限公司 Fast-positioning device and numerically controlled lathe
CN207386919U (en) * 2017-10-23 2018-05-22 重庆麦卡瑞机械制造有限公司 A kind of welding tooling of motorcycle electric part mounting bracket
CN209387265U (en) * 2019-01-23 2019-09-13 中冶建筑研究总院有限公司 A kind of position-limit mechanism and limiting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018076823A1 (en) * 2016-10-27 2018-05-03 珠海格力电器股份有限公司 Air baffle assembly and thermantidote having same
CN207173357U (en) * 2017-08-29 2018-04-03 江苏力乐汽车部件股份有限公司 A kind of automotive seat folder position-limit mechanism
CN207309429U (en) * 2017-09-18 2018-05-04 广州鑫娄山模具有限公司 Fast-positioning device and numerically controlled lathe
CN207386919U (en) * 2017-10-23 2018-05-22 重庆麦卡瑞机械制造有限公司 A kind of welding tooling of motorcycle electric part mounting bracket
CN209387265U (en) * 2019-01-23 2019-09-13 中冶建筑研究总院有限公司 A kind of position-limit mechanism and limiting device

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