CN219384445U - Bucket screen lifting device - Google Patents
Bucket screen lifting device Download PDFInfo
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- CN219384445U CN219384445U CN202222548366.5U CN202222548366U CN219384445U CN 219384445 U CN219384445 U CN 219384445U CN 202222548366 U CN202222548366 U CN 202222548366U CN 219384445 U CN219384445 U CN 219384445U
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Abstract
The utility model discloses a bucket screen hoisting device, relates to the technical field of building hoisting, and aims to solve the problem that in the prior art, when the instantaneous tension is large, the structure of the connecting part of a bucket screen and a steel chain is easy to deform or the steel chain is easy to separate from the bucket screen, so that hoisting accidents are caused. The bucket screen hoisting equipment comprises at least two hoisting devices and at least two tension buffer devices, wherein each hoisting device is used for being connected with a pavement structure of a venue, and each hoisting device is provided with a lifting end; the number of the tension buffering devices is greater than or equal to that of the lifting devices, the lifting end of each lifting device is connected with the first end of the corresponding tension buffering device, and the second end of each tension buffering device is used for being connected with the bucket screen. The bucket screen hoisting equipment is used for preventing structural deformation of the connection part of the bucket screen and the steel chain caused by excessive instantaneous tension in the bucket screen hoisting process, and preventing the steel chain from being separated from the bucket screen caused by excessive instantaneous tension.
Description
Technical Field
The utility model relates to the technical field of building hoisting, in particular to bucket screen hoisting equipment.
Background
Along with the continuous acceleration of the development speed of the economy in China, the electronic competition gradually enters the field of vision of people as an emerging industry, and has a global development trend. The engineering quality of an electronic contest stadium also indirectly represents the electronic contest strength level of a country. In the construction of large electronic competition venues, the screens are an indispensable part of the venues as important media for conveying media information to audiences.
The existing bucket screen hoisting equipment mainly comprises a hoisting block fixed on a horse way structure of a steel beam, a steel chain of the hoisting block is directly connected with a bucket screen, and the hoisting block controls the steel chain to move so as to drive the bucket screen to move upwards.
However, when the steel chain of the hoist is directly connected with the bucket screen to hoist the bucket screen, in the hoisting process, under the condition of too fast acceleration and large instantaneous tension, the structure of the connection part of the bucket screen and the steel chain is easy to deform or the steel chain and the bucket screen are separated due to the too large instantaneous tension, so that the hoisting accident is caused.
Disclosure of Invention
The utility model aims to provide a bucket screen hoisting device which is used for preventing structural deformation of a connecting part of a bucket screen and a steel chain caused by excessive instantaneous tension in the process of hoisting the bucket screen and preventing the steel chain from being separated from the bucket screen caused by excessive instantaneous tension.
In order to achieve the above object, the present utility model provides the following technical solutions:
a bucket screen lifting apparatus comprising:
at least two lifting devices, each of which is used for being connected with the pavement structure of the venue, and each lifting device is provided with a lifting end;
the number of the tension buffering devices is larger than or equal to that of the lifting devices, the lifting end of each lifting device is connected with the first end of the corresponding tension buffering device, and the second end of each tension buffering device is used for being connected with the bucket screen.
Compared with the prior art, after hoisting accessory starts, when its lift end upward movement, produce ascending acceleration, in the moment of start, acceleration is great, hoisting accessory's lift end can have great pulling force to pulling force buffer's first end effect, pulling force buffer passes through modes such as structural deformation, reduce pulling force buffer's second end's acceleration, reduce the effort that transmits to pulling force buffer's second end promptly, pulling force buffer's second end is connected with fighting the screen, will be passed to fighting the screen through pulling force buffer's effort after reducing, drive fighting the screen and upward move with less initial acceleration. Based on this, compared with the prior art, the instantaneous pulling force to the screen when having reduced hoisting accessory and started through pulling force buffer device, avoid leading to the structural deformation of the junction of screen and steel chain because of instantaneous pulling force is too big, simultaneously, avoid steel chain and screen to break away from because of instantaneous pulling force is too big.
Optionally, in the bucket screen hoisting device, the tension buffering device includes:
the buffer piece is used for buffering the tensile force born by the bucket screen;
the buffer piece, the lifting end of the lifting device and the bucket screen are connected with the connecting assembly, and the buffer piece is respectively connected with the lifting end of the lifting device and the bucket screen through the connecting assembly.
Optionally, in the bucket screen hoisting device, the connecting assembly includes:
the first end of the first connecting piece is fixedly connected with the first end of the buffer piece, and the second end of the first connecting piece is connected with the lifting end of the lifting device;
the first end of the second connecting piece is fixedly connected with the second end of the buffer piece, and the second end of the second connecting piece is used for being connected with the bucket screen.
Optionally, in the bucket screen hoisting device, the buffer member is a pressure spring, an elastic buffer rope or a hydraulic buffer.
Optionally, in the bucket screen hoisting device, the buffer member is a compression spring, and the connecting assembly includes:
the first connecting piece is connected with the lifting end of the lifting device and is provided with a connecting hole;
the second connecting piece comprises a connecting rod and an abutting disc, the abutting disc and the buffer piece are arranged in the first connecting piece, the first end of the connecting rod is fixedly connected with the abutting disc, and the second end of the connecting rod sequentially penetrates through the compression spring and the connecting hole to be connected with the bucket screen; the first end of the compression spring is abutted with the abutting disc, and the second end of the compression spring is abutted with the first connecting piece.
Optionally, in the bucket screen hoisting device, each group of hoisting devices includes:
the ear plate is fixedly connected with the horse way structure;
the first end of the loop chain electric hoist is connected with the lug plate, and the second end of the loop chain electric hoist is connected with the tension buffer device.
Optionally, in the bucket screen hoisting device, the endless chain electric hoist comprises a driving mechanism, a first lifting hook, an annular zipper and a second lifting hook;
the driving mechanism is fixedly connected with the first lifting hook and connected with the lug plate through the first lifting hook, and is in driving connection with the annular zipper and used for driving the annular zipper to move;
the annular zipper is fixedly connected with the second lifting hook, and the annular zipper is connected with the tension buffer device through the second lifting hook.
Optionally, in the bucket screen hoisting device, the number of the tension buffer devices and the number of the hoisting devices are 10-14.
Optionally, in the bucket screen hoisting device, the bucket screen hoisting device further includes:
the tension detection alarm device is arranged between the bucket screen and the tension buffer device, and can send out an alarm signal.
Optionally, in the bucket screen hoisting device, the tension detection alarm device includes a tension detection sensor, a comparison circuit and an alarm;
the tension detection sensor and the alarm are electrically connected with the comparison circuit;
the tension detection sensor is connected with the bucket screen and used for detecting tension applied to the bucket screen, the tension is converted into an electric signal through the signal conversion module of the tension detection sensor and then transmitted to the comparison circuit, the comparison circuit is used for comparing the electric signal with a preset electric signal, and when the electric signal is larger than the preset electric signal, the comparison circuit is conducted, so that the alarm gives out an alarm signal.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic view of a prior art bucket screen hoisting apparatus;
fig. 2 is a schematic hoisting diagram of a bucket screen hoisting device according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a bucket screen hoisting device according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of another bucket screen hoisting device according to an embodiment of the present utility model.
Reference numerals:
1-a lifting device; 2-a tension buffer device; 21-a buffer; 22-a connection assembly; 221-first connector; 222-a second connector; 2221-connecting rod; 2222-abutment disc; 3-horse road structure; 4-bucket screen.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model 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 for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices 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 utility model.
In the description of the present utility model, 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 communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, the existing bucket screen hoisting device is mainly a hoisting block fixed on a pavement structure 3 of a steel beam, a steel chain of the hoisting block is directly connected with a bucket screen 4, and the hoisting block controls the steel chain to move so as to drive the bucket screen 4 to move upwards. However, when the steel chain of the hoist is directly connected with the bucket screen 4 to hoist the bucket screen 4, in the hoisting process, when the acceleration is too fast and the instantaneous tension is large, the structure of the connection part of the bucket screen 4 and the steel chain is easy to deform or the steel chain and the bucket screen 4 are separated due to the excessive instantaneous tension, so that the hoisting accident is caused.
Referring to fig. 2, 3 and 4, a bucket screen hoisting device provided by an embodiment of the present utility model includes: at least two hoisting devices 1 and at least two tension buffers 2, each hoisting device 1 being adapted to be connected to a pavement structure 3 of a venue, each hoisting device 1 having a lifting end; the number of the tension buffer devices 2 is greater than or equal to the number of the lifting devices 1, the lifting end of each lifting device 1 is connected with the first end of the corresponding tension buffer device 2, and the second end of each tension buffer device 2 is used for being connected with the bucket screen 4.
In the hoisting process of the bucket screen 4, each hoisting device 1 is connected with the pavement structure 3 of the venue, the lifting end of each hoisting device 1 is connected with the first end of the tension buffer device 2, the second end of the tension buffer device 2 is connected with the bucket screen 4, the hoisting device 1 provides upward force, the lifting end of the hoisting device 1 moves upward to drive the tension buffer device 2 to move upward, and then the bucket screen 4 is driven to move upward to finish hoisting of the bucket screen 4.
Through the structure of the bucket screen hoisting equipment and the bucket screen 4 hoisting process, after the hoisting device 1 is started, when the lifting end of the hoisting device moves upwards, upward acceleration is generated, at the moment of starting, the acceleration is large, the lifting end of the hoisting device 1 can act on the first end of the tension buffer device 2 with large tension, the tension buffer device 2 reduces the acceleration of the second end of the tension buffer device 2 through structural deformation and the like, namely, the acting force transmitted to the second end of the tension buffer device 2 is reduced, the second end of the tension buffer device 2 is connected with the bucket screen 4, the acting force reduced by the tension buffer device 2 is transmitted to the bucket screen 4, and the bucket screen 4 is driven to move upwards with small initial acceleration. Compared with the prior art, the instant pulling force generated to the bucket screen 4 when the lifting device 1 is started is reduced through the pulling force buffer device 2, structural deformation of the connecting part of the bucket screen 4 and the steel chain caused by overlarge instant pulling force is avoided, and meanwhile, separation of the steel chain and the bucket screen 4 caused by overlarge instant pulling force is avoided.
Specifically, in some embodiments, in the above-mentioned bucket screen hoisting device, the tension buffering device 2 includes a buffering element 21 and a connecting assembly 22, where the buffering element 21 is used to buffer the tension applied to the bucket screen 4; the buffer piece 21, the lifting end of the lifting device 1 and the bucket screen 4 are connected with the connecting component 22, and the buffer piece 21 is respectively connected with the lifting end of the lifting device 1 and the bucket screen 4 through the connecting component 22. The position of the buffer member 21 is fixed by the connecting assembly 22, and the instantaneous pulling force exerted on the instantaneous bucket screen 4 when the lifting device 1 lifts is reduced by the buffer member 21.
As an alternative, referring to fig. 3, in the above-mentioned bucket screen hoisting device, the connection assembly 22 includes a first connection member 221 and a second connection member 222; a first end of the first connecting piece 221 is fixedly connected with a first end of the buffer piece 21, and a second end of the first connecting piece 221 is connected with a lifting end of the lifting device 1; the first end of the second connecting piece 222 is fixedly connected with the second end of the buffer piece 21, and the second end of the second connecting piece 222 is used for being connected with the bucket screen 4. The buffer 21 is illustratively a pressure spring, an elastic buffer cord or a hydraulic buffer. The buffer member 21 is connected to the lifting end of the lifting device 1 through a first connecting member 221, and connected to the bucket screen 4 through a second connecting member 222, so that the buffer member 21 is disposed between the lifting end of the lifting device 1 and the bucket screen 4.
As another alternative, referring to fig. 4, in the bucket screen hoisting device, the buffer member 21 is a compression spring, the connecting assembly 22 includes a first connecting member 221 and a second connecting member 222, the first connecting member 221 is connected to the lifting end of the hoisting device 1, and a connecting hole is provided on the first connecting member 221; the second connecting piece 222 comprises a connecting rod 2221 and an abutting disc 2222, the abutting disc 2222 and the buffer piece 21 are arranged in the first connecting piece 221, a first end of the connecting rod 2221 is fixedly connected with the abutting disc 2222, and a second end of the connecting rod 2221 sequentially penetrates through the compression spring and the connecting hole to be connected with the bucket screen 4; the first end of the compression spring abuts against the abutment plate 2222, and the second end of the compression spring abuts against the first link 221. So set up, bolster 21 is connected with hoisting accessory 1's lift end through first connecting piece 221, is connected with fight screen 4 through second connecting piece 222, when hoisting accessory 1's lift end upward movement, drives first connecting piece 221 upward movement, is in the compression spring between butt dish 2222 and first connecting piece 221 and produces deformation because of inertia, offsets a part pulling force after, drives fight screen 4 upward movement through connecting rod 2221, guarantees that fight screen 4 receives the pulling force in the twinkling of an eye can not be too big.
In some embodiments, in the bucket screen hoisting device, each group of hoisting devices 1 comprises an ear plate and a loop chain electric hoist, and the ear plate is fixedly connected with the pavement structure 3; the first end of the loop chain electric hoist is connected with the lug plate, and the second end of the loop chain electric hoist is connected with the tension buffer device 2. Through the otic placode with the road structure 3 fixed connection, with endless chain electric hoist fixed connection on the road structure 3, guarantee the stability of fighting screen 4 hoist and mount in-process.
Optionally, in the bucket screen hoisting device, the endless chain electric hoist comprises a driving mechanism, a first lifting hook, an annular zipper and a second lifting hook; the driving mechanism is fixedly connected with the first lifting hook and connected with the lug plate through the first lifting hook, and is in driving connection with the annular zipper and used for driving the annular zipper to move; the annular zipper is fixedly connected with the second lifting hook, and the annular zipper is connected with the tension buffer device 2 through the second lifting hook. The annular zipper is driven to move through the driving mechanism, and then the bucket screen 4 is driven to move through the tension buffer device 2, so that the bucket screen 4 is hoisted.
Preferably, in the bucket screen hoisting device, the number of the tension buffer devices 2 and the number of the hoisting devices 1 are 10-14; the number of the tension buffer devices 2 and the hoisting devices 1 is, for example, 10, 11, 12, 13, 14, etc. So set up, under the condition of saving the cost as far as possible, through a plurality of hoisting accessory 1 and pulling force buffer 2, the effort that disperses the local part of fighting screen 4 received avoids fighting screen 4 local effort too big, leads to fighting screen 4 to produce deformation.
In some embodiments, the bucket screen hoisting device further includes a tension detection alarm device, where the tension detection alarm device is disposed between the bucket screen 4 and the tension buffer device 2, and the tension detection alarm device can send an alarm signal. When the tensile force received by the bucket screen 4 is greater than a preset value, the tensile force detection alarm device can send out an alarm signal, and accordingly, a worker can judge whether the tensile force received by the bucket screen 4 exceeds a certain value, so that whether the tensile force received by the bucket screen 4 is overlarge is primarily judged, and further, more lifting devices 1 are additionally arranged to reduce the tensile force.
Specifically, in the bucket screen hoisting equipment, the tension detection alarm device comprises a tension detection sensor, a comparison circuit and an alarm; the tension detection sensor and the alarm are electrically connected with the comparison circuit; the tension detection sensor is connected with the bucket screen 4 and is used for detecting tension applied to the bucket screen 4, the tension detection sensor is converted into an electric signal through the signal conversion module of the tension detection sensor and then transmitted to the comparison circuit, the comparison circuit is used for comparing the electric signal with a preset electric signal, and when the electric signal is larger than the preset electric signal, the comparison circuit is conducted, so that the alarm gives out an alarm signal.
In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. Bucket screen lifting device, characterized by, include:
at least two lifting devices, wherein each lifting device is used for being connected with a pavement structure of a venue, and each lifting device is provided with a lifting end;
the number of the tension buffering devices is larger than or equal to that of the lifting devices, the lifting end of each lifting device is connected with the corresponding first end of the tension buffering device, and the second end of each tension buffering device is used for being connected with the bucket screen.
2. The hopper screen hoisting device of claim 1 wherein the tension buffering means comprises:
the buffer piece is used for buffering the tensile force born by the bucket screen;
the buffer piece, the lifting end of the lifting device and the bucket screen are connected with the connecting assembly, and the buffer piece is respectively connected with the lifting end of the lifting device and the bucket screen through the connecting assembly.
3. The bucket screen hoisting device of claim 2 wherein the connection assembly comprises:
the first end of the first connecting piece is fixedly connected with the first end of the buffer piece, and the second end of the first connecting piece is connected with the lifting end of the lifting device;
the first end of the second connecting piece is fixedly connected with the second end of the buffer piece, and the second end of the second connecting piece is used for being connected with the bucket screen.
4. A bucket screen hoisting device as claimed in claim 3, wherein the cushioning member is a pressure spring, an elastic cushioning rope or a hydraulic cushion.
5. The hopper screen hoisting device of claim 2 wherein the buffer is a compression spring and the connection assembly comprises:
the first connecting piece is connected with the lifting end of the lifting device, and a connecting hole is formed in the first connecting piece;
the second connecting piece comprises a connecting rod and an abutting disc, the abutting disc and the buffer piece are arranged in the first connecting piece, a first end of the connecting rod is fixedly connected with the abutting disc, and a second end of the connecting rod sequentially penetrates through the compression spring and the connecting hole to be connected with the bucket screen; the first end of the compression spring is abutted with the abutting disc, and the second end of the compression spring is abutted with the first connecting piece.
6. The bucket screen hoisting device of claim 1 wherein each set of hoisting devices comprises:
the ear plate is fixedly connected with the horse way structure;
the first end of the loop chain electric hoist is connected with the lug plate, and the second end of the loop chain electric hoist is connected with the tension buffer device.
7. The hopper screen hoisting device of claim 6 wherein the endless chain electric hoist comprises a drive mechanism, a first hook, an endless zipper, and a second hook;
the driving mechanism is fixedly connected with the first lifting hook and is connected with the lug plate through the first lifting hook, and the driving mechanism is in driving connection with the annular zipper and is used for driving the annular zipper to move;
the annular zipper is fixedly connected with the second lifting hook, and the annular zipper is connected with the tension buffer device through the second lifting hook.
8. The bucket screen hoisting device of claim 1, wherein the number of the tension buffering device and the hoisting device is 10-14.
9. The bucket screen hoisting device of claim 1, further comprising:
the tension detection alarm device is arranged between the bucket screen and the tension buffer device and can send out an alarm signal.
10. The bucket screen hoisting device of claim 9 wherein the tension detection alarm device comprises a tension detection sensor, a comparison circuit and an alarm;
the tension detection sensor and the alarm are electrically connected with the comparison circuit;
the tension detection sensor is connected with the bucket screen and is used for detecting tension borne by the bucket screen, the tension detection sensor is converted into an electric signal through the signal conversion module of the tension detection sensor and then transmitted to the comparison circuit, the comparison circuit is used for comparing the electric signal with a preset electric signal, and when the electric signal is larger than the preset electric signal, the comparison circuit is conducted, so that the alarm sends an alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222548366.5U CN219384445U (en) | 2022-09-26 | 2022-09-26 | Bucket screen lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222548366.5U CN219384445U (en) | 2022-09-26 | 2022-09-26 | Bucket screen lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219384445U true CN219384445U (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222548366.5U Active CN219384445U (en) | 2022-09-26 | 2022-09-26 | Bucket screen lifting device |
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|---|---|
| CN (1) | CN219384445U (en) |
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- 2022-09-26 CN CN202222548366.5U patent/CN219384445U/en active Active
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