CN211470438U - Overload-prevention lifting device - Google Patents
Overload-prevention lifting device Download PDFInfo
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- CN211470438U CN211470438U CN201922427406.9U CN201922427406U CN211470438U CN 211470438 U CN211470438 U CN 211470438U CN 201922427406 U CN201922427406 U CN 201922427406U CN 211470438 U CN211470438 U CN 211470438U
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- shaped connecting
- connecting seat
- cage
- lifting device
- overload
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Abstract
The utility model discloses a prevent elevating gear that overloads belongs to elevating gear technical field. The overload-prevention lifting device comprises a driving mechanism, a suspension cage, a U-shaped connecting seat, a suspension cage connecting seat, a U-shaped connecting piece and a pressure type sensor. The U-shaped connecting seat is connected with the output end of the driving mechanism; the suspension cage connecting seat is connected to the suspension cage; the U-shaped connecting piece is buckled with the U-shaped connecting seat and is connected with the suspension cage connecting seat; the pressing type sensor is arranged between the U-shaped connecting seat and the U-shaped connecting piece. The utility model discloses in, be connected through the mode of the mutual left-hand thread of U-shaped connecting piece and U-shaped connecting seat between actuating mechanism and the cage, pressure formula sensor is located between the two, when realizing load measurement, guarantees the connection structure's between actuating mechanism and the cage intensity, and then improves the whole security of preventing overload elevating gear.
Description
Technical Field
The utility model relates to a elevating gear technical field especially relates to a prevent elevating gear that overloads.
Background
The construction lifter is used as a vertical lifting type hoisting and transporting device, is largely applied to the construction and maintenance of high-rise buildings and high-rise industrial equipment, greatly reduces the construction cost and greatly improves the efficiency. With the development of society, the safety requirements on lifting equipment are higher and higher, and national standards of construction elevators for both people and goods with vertically-guided suspension cages and construction elevators for goods both require that an overload measuring device is installed on the lifting equipment so as to control the loading capacity of the equipment and operate within the required safety range.
The overload measuring device of the existing elevator generally adopts the connection mode of the ear plate and the hollow pin shaft, and the resistance type stress strain gauge is pasted in the deep part inside the hollow pin shaft so as to measure the load capacity, the structure of the hollow pin shaft can ensure that the connection strength of the structure can not be ensured, if the hollow pin shaft is locally unstable or sheared, the safety of the lifting equipment can be directly endangered, and the problems of higher structure cost, unsuitability for industrial production, unstable quality, easy failure and the like exist in the connection mode.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent elevating gear that overloads can effectively prevent the overload phenomenon to guarantee whole elevating gear's security.
In order to realize the purpose, the following technical scheme is provided:
an overload-preventing lifting device comprises a driving mechanism and a suspension cage, and further comprises:
the U-shaped connecting seat is connected to the output end of the driving mechanism;
the suspension cage connecting seat is connected to the suspension cage;
the U-shaped connecting piece is buckled with the U-shaped connecting seat and is connected with the suspension cage connecting seat;
and the pressure type sensor is arranged between the U-shaped connecting seat and the U-shaped connecting piece.
As the utility model discloses a prevent elevating gear that overloads preferred scheme still includes fastening components, fastening components will the U-shaped connecting piece with the cage connecting seat is connected.
As the utility model discloses a prevent elevating gear that overloads preferred scheme, fastening components includes solid round pin axle and locking piece, the one end of solid round pin axle is equipped with backstop portion, and the other end runs through and stretches out the U-shaped connecting piece with the cage connecting seat, solid round pin axle runs through the U-shaped connecting piece with the one end of cage connecting seat be equipped with the axial of solid round pin axle is the through hole of contained angle, the locking piece is located in the through hole.
As the utility model discloses a prevent elevating gear that overloads preferred scheme, solid round pin axle runs through the U-shaped connecting piece with the one end tip of cage connecting seat is frustum shape.
As the utility model discloses a prevent elevating gear that overloads preferred scheme, the cage connecting seat includes the lug of two relative settings.
As the utility model discloses a prevent elevating gear that overloads preferred scheme, two are located to the U-shaped connecting piece card the outside of lug, or two are located to the U-shaped connecting piece clamp between the lug.
As the utility model discloses a prevent elevating gear that overloads, two be equipped with the sleeve between the lug, solid round pin axle wears to locate in the sleeve.
As the preferred scheme of the overload protection lifting device of the present invention, the fastening component is a bolt and nut combination.
As the preferred scheme of the overload protection lifting device of the utility model, the U-shaped connecting seat is connected with the output end of the driving mechanism in a welding manner.
As the utility model discloses a prevent elevating gear that overloads preferred scheme, the cage connecting seat with cage welded connection.
The utility model has the advantages that:
the utility model provides an among the anti-overload elevating gear, be connected through the mode of the mutual left-hand thread of U-shaped connecting piece and U-shaped connecting seat between actuating mechanism and the cage, pressure formula sensor is located between the two, when realizing load measurement, guarantees the connection structure's between actuating mechanism and the cage intensity, and then improves whole anti-overload elevating gear's security.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention 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 the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a first schematic view illustrating a connection between a driving mechanism and a cage in an overload prevention lifting device according to an embodiment of the present invention;
fig. 2 is a schematic view showing a connection between a driving mechanism and a cage in the overload prevention lifting device according to the embodiment of the present invention;
fig. 3 is a partial cross-sectional view of a connection portion between a driving mechanism and a cage in the overload protection lifting device provided by the embodiment of the present invention.
Reference numerals:
10-a drive mechanism; 20-hanging a cage;
1-a U-shaped connecting seat; 2-a suspension cage connecting seat; 3-U-shaped connecting pieces; 4-a pressure sensor; 5-a fastening component;
21-lifting lugs; 22-a sleeve;
51-solid pin; 52-a lock;
511-a stopper.
Detailed Description
In order to make the technical problems, technical solutions adopted and technical effects achieved by the present invention clearer, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element 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 the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, the present embodiment provides an overload lifting apparatus including a driving mechanism 10 and a cage 20. The cage 20 is used to contain people and/or cargo. The output end of the driving mechanism 10 is connected to the cage 20, so as to drive the cage 20 and the people and/or goods therein to lift and lower. The overload-prevention lifting device further comprises a U-shaped connecting seat 1, a suspension cage connecting seat 2, a U-shaped connecting piece 3 and a pressure type sensor 4.
The opening end of the U-shaped connecting seat 1 is connected to the output end of the driving mechanism 10, the suspension cage connecting seat 2 is connected to the suspension cage 20, the opening directions of the U-shaped connecting piece 3 and the U-shaped connecting seat 1 are opposite, the U-shaped connecting piece and the U-shaped connecting seat are buckled with each other, the U-shaped connecting seat 1 is connected with the suspension cage connecting seat 2 at the same time, and therefore the connection between the output end of the driving mechanism 10 and the suspension cage 20 is achieved. The pressing type sensor 4 is arranged between the U-shaped connecting seat 1 and the U-shaped connecting piece 3. The weight of people or goods in the cage 20 and the self weight of the cage 20 are transmitted to the pressure type sensor 4 through the cage connecting seat 2, the U-shaped connecting piece 3 and the U-shaped connecting seat 1, so that the lifting weight is measured in real time. The pressure type sensor 4 is fixed on the U-shaped connecting piece 3 or the U-shaped connecting seat 1 through bolts. It should be noted that the weight measurement of the pressure sensor 4 belongs to the prior art, and is not described herein again.
In the overload protection lifting device of the embodiment, the driving mechanism 10 and the suspension cage 20 are connected with each other in a buckling mode through the U-shaped connecting piece 3 and the U-shaped connecting seat 1, the pressure type sensor 4 is arranged between the driving mechanism 10 and the suspension cage 20, the strength of the connecting structure between the driving mechanism 10 and the suspension cage 20 is ensured while load measurement is realized, and the safety of the whole overload protection lifting device is further improved.
Further, the overload prevention lifting device further comprises a fastening assembly 5, and the fastening assembly 5 connects the U-shaped connecting member 3 and the cage connecting seat 2. The suspension cage connecting seat 2 comprises two oppositely arranged lifting lugs 21, the U-shaped connecting piece 3 is clamped at the outer sides of the two lifting lugs 21, and the fastening assembly 5 is connected with the U-shaped connecting piece 3 and the two lifting lugs 21 in a penetrating way. Obviously, in other embodiments, the U-shaped connecting element 3 may be sandwiched between two lifting lugs 21.
Specifically, the fastening assembly 5 comprises a solid pin 51 and a locking member 52, wherein the solid pin 51 penetrates through the U-shaped connecting member 3 and the two lifting lugs 21 and is limited by the locking member 52. One end of the solid pin shaft 51 is provided with a stopping part 511, the other end of the solid pin shaft penetrates through and extends out of the U-shaped connecting piece 3 and the suspension cage connecting seat 2, a through hole forming an included angle with the axial direction of the solid pin shaft 51 is formed in the end of the solid pin shaft, and the locking piece 52 is arranged in the through hole and used for limiting the solid pin shaft 51 in the axial direction. Preferably, the through hole is perpendicular to the axial direction of the solid pin shaft 51, so that the limiting precision is improved. Compare in the current hollow round pin hub connection that adopts, this embodiment adopts solid round pin 51 to connect, improves joint strength, improves the security of preventing overload elevating gear.
For convenient installation, the end part of the solid pin shaft 51 penetrating through the U-shaped connecting piece 3 and the suspension cage connecting seat 2 is frustum-shaped.
In order to improve the connection strength between the U-shaped connecting piece 3 and the suspension cage connecting seat 2, a sleeve 22 is arranged between the two lifting lugs 21, and the solid pin shaft 51 is arranged in the sleeve 22 in a penetrating mode, so that the bending resistance and the shearing resistance of the solid pin shaft 51 are improved.
It should be noted that, under the condition that the hoisting weight is not too large, the fastening component 5 can also be a bolt and nut combination, the material is easy to obtain, the installation is convenient, and the connection is firm.
Besides the fastening component 5, the U-shaped connecting piece 3 and the suspension cage connecting seat 2 can be connected by welding.
Preferably, U-shaped connecting seat 1 and actuating mechanism 10's output welded connection, construction convenience, intensity is high, and structural safety is high. Similarly, the cage connecting seat 2 is welded with the cage 20, the connecting strength is high, and the structural safety is high.
In addition, the U-shaped connecting seat 1 and the U-shaped connecting piece 3 can be respectively of an integrated structure and formed by hot bending or welded by profile steel.
With current elevating gear that adopts, directly adopt hollow pin hub connection between actuating mechanism 10 and the cage 20, at hollow pin hub arrangement load measuring device's mode, among the elevating gear that prevents overloading of this embodiment, connect through the mode of U-shaped connecting piece 3 and the mutual buckleing of U-shaped connecting seat 1 between actuating mechanism 10 and the cage 20, pressure formula sensor 4 locates between the two, when realizing load measurement, guarantee the intensity of the connection structure between actuating mechanism 10 and the cage 20, and then improve whole elevating gear that prevents overloading's security.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An overload prevention lifting device comprises a driving mechanism (10) and a suspension cage (20), and is characterized by further comprising:
the U-shaped connecting seat (1) is connected to the output end of the driving mechanism (10);
the suspension cage connecting seat (2) is connected to the suspension cage (20);
the U-shaped connecting piece (3) is buckled with the U-shaped connecting seat (1) and is connected with the suspension cage connecting seat (2);
and the pressure type sensor (4) is arranged between the U-shaped connecting seat (1) and the U-shaped connecting piece (3).
2. The overload protection lifting device according to claim 1, further comprising a fastening assembly (5), wherein the fastening assembly (5) connects the U-shaped connecting member (3) and the cage connecting seat (2).
3. The overload prevention lifting device according to claim 2, wherein the fastening assembly (5) comprises a solid pin shaft (51) and a locking member (52), a stopping portion (511) is disposed at one end of the solid pin shaft (51), the other end of the solid pin shaft penetrates through and extends out of the U-shaped connecting member (3) and the cage connecting seat (2), a through hole which forms an included angle with the axial direction of the solid pin shaft (51) is disposed at one end of the solid pin shaft (51), which penetrates through the U-shaped connecting member (3) and the cage connecting seat (2), and the locking member (52) is disposed in the through hole.
4. The overload prevention lifting device as recited in claim 3, wherein the solid pin shaft (51) has a frustum shape at one end penetrating through the U-shaped connecting member (3) and the cage connecting seat (2).
5. The overload protection lifting device according to claim 3, wherein the cage attachment seat (2) comprises two oppositely arranged lifting lugs (21).
6. The overload prevention lifting device as recited in claim 5, wherein the U-shaped connecting member (3) is clamped outside the two lifting lugs (21), or the U-shaped connecting member (3) is clamped between the two lifting lugs (21).
7. The overload prevention lifting device as recited in claim 5, wherein a sleeve (22) is disposed between the two lifting lugs (21), and the solid pin shaft (51) is inserted into the sleeve (22).
8. The overload protection lifting device according to claim 2, wherein the fastening assembly (5) is a bolt and nut combination.
9. The overload lifting device according to any one of claims 1 to 8, wherein the U-shaped connecting base (1) is connected to the output of the driving mechanism (10) by welding.
10. Overload lifting device according to any one of claims 1-8, characterised in that the cage attachment sockets (2) are welded to the cage (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922427406.9U CN211470438U (en) | 2019-12-30 | 2019-12-30 | Overload-prevention lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922427406.9U CN211470438U (en) | 2019-12-30 | 2019-12-30 | Overload-prevention lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211470438U true CN211470438U (en) | 2020-09-11 |
Family
ID=72361764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922427406.9U Active CN211470438U (en) | 2019-12-30 | 2019-12-30 | Overload-prevention lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211470438U (en) |
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2019
- 2019-12-30 CN CN201922427406.9U patent/CN211470438U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 121, Furong Zhongyi Road, Xishan Economic Development Zone, Wuxi City, Jiangsu Province, 214192 Patentee after: Shenxi Machinery Group Co.,Ltd. Address before: No. 121, Furong Zhongyi Road, Xishan Economic Development Zone, Wuxi City, Jiangsu Province, 214192 Patentee before: SHENXI MACHINERY Co.,Ltd. |