CN204434221U - A kind of aerial lift device and transmission device thereof - Google Patents
A kind of aerial lift device and transmission device thereof Download PDFInfo
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- CN204434221U CN204434221U CN201420764583.0U CN201420764583U CN204434221U CN 204434221 U CN204434221 U CN 204434221U CN 201420764583 U CN201420764583 U CN 201420764583U CN 204434221 U CN204434221 U CN 204434221U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 38
- 230000008602 contraction Effects 0.000 claims abstract description 6
- 230000000630 rising effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
This application discloses a kind of transmission device, comprise the mobile link block being fixedly connected with and block and thread rod being provided with nut, it also comprises at described nut and to be describedly fixedly connected with between block, and is compressed with the described block that is fixedly connected with by described nut, the elastic component in contraction state.In the utility model, by the tension force that elastic component applies, just can make chain be fixed all the time contiguous block tension, thus avoid there will be relaxation during chain initial launch, to make between different chain or uniform force between same chain different parts, solve telescopic boom run the starting stage occur run the asynchronous and problems such as shake of creeping, further increase the functional reliability of high-altitude operation platform.The utility model additionally provides a kind of a kind of aerial lift device with above-mentioned transmission device.
Description
Technical field
The utility model relates to technical field of high-altitude operation equipment, more particularly, relates to a kind of transmission device, also relates to a kind of aerial lift device with this transmission device.
Background technology
Along with the fast development of China's economic construction, market increases day by day for the demand of aerial lift device.In aerial lift device, widely used one is high-altitude operation platform.High-altitude operation platform refers to the aerial lift device for mobilitys such as equipment installation, debugging and maintenance in every profession and trade.No matter be in engineering construction, or in public fire protection field, let us can see the figure of high-altitude operation platform.
High-altitude operation platform comprises and supporting and the brace table allowing operating personal to stand thereon, drives the telescopic boom that this brace table is elevated, and the actuating device driving telescopic boom flexible and transmission device.For the high-altitude operation platform with three joints and above telescopic boom, the transmission device that its different telescopic boom synchronization telescope motion adopts telescopic oil cylinder to add chain or steel rope usually realizes.As depicted in figs. 1 and 2, telescopic boom comprises basic arm 01, is set in the first segment arm 02 inside basic arm 01, is set in the second section arm 03 inside first segment arm 02, be set in Section of three arm 04 inside second section arm 03, be set in Section of four arm 05 inside Section of three arm 04 ...Wherein, first segment arm 02 by oil cylinder Direct driver, second section and being driven by chain with upper arm.For driving the chain of second section arm 03, one end is fixedly mounted on basic arm 01 head, and the other end is fixed on the afterbody of second section arm 03 after walking around the pulley 06 being fixedly installed on first segment arm 02 head; For driving the chain of Section of three arm 04, one end is fixedly mounted on the head of first segment arm 02, after the other end walks around the pulley 07 being fixedly installed on second section arm 03 head, is fixed on the afterbody of Section of three arm 04; For driving the chain of Section of four arm 05, one end is fixedly mounted on the head of second section arm 03, after the other end walks around the pulley 08 being fixedly installed on Section of three arm 04 head, is fixed on the afterbody of Section of four arm 05; If there be Section of five arm, the set-up mode of its chain by that analogy.Telescopic boom is in the process of work, basic arm 01 maintains static, first segment arm 02 rises under the driving of oil cylinder, the pulley 06 being meanwhile fixed on first segment arm 02 head together rises in company with first segment arm 02, and then draws high around the chain on pulley 06, and chain is slided thereon, one end due to chain is arranged on basic arm 01, and maintain static, so its other end be connected with second section arm 03 rising under the pulling of pulley 06, thus drive the second section arm 03 be connected with chain to rise.Section three, the rising of arm 04 is because the pulley 07 be arranged on second section arm 03 pulls the chain of Section of three arm 04, thus realize the rising of Section of three arm 04, section four, the rising of arm 05 is also because the pulley 08 be arranged on Section of three arm 04 pulls the chain of Section of four arm 05, thus realizes the rising of Section of four arm 05.
In above-mentioned transmission device, as shown in Figure 3, the head of different chain and different telescopic boom is all by being fixedly connected with block 09 and mobile link block 010 realizes connecting.Wherein, be fixedly connected with the head that block 09 is fixedly installed on telescopic boom, be provided with two connecting through holes be arranged in parallel.Mobile link block 010 is connected with chain by bearing pin, mobile link block 08 is provided with two away from one end of chain and be arranged in parallel and outstanding thread rod 011, when connecting, two thread rods 011 are each passed through two connecting through holes be fixedly connected with on block 09, a nut 012 is all set in the end of each thread rod 011 through connecting through hole and tightens again, thus the connection of achieve a fixed connection block 09 and mobile link block 010.
But, in the working process of reality, contriver finds, there is certain defect in above-mentioned type of drive: telescopic boom is when stretching out or retracting operation, due to friction between different telescopic boom, resistance, gravity is different, and the mounting hole working accuracy of different pulley inconsistent time, backlass is there will be in the motion starting stage, cause there will be relaxation during chain initial launch, to cause between different chain or unbalance stress between same chain different parts, the telescopic boom operation starting stage is caused to occur running the asynchronous and problems such as shake of creeping, have impact on the functional reliability of high-altitude operation platform.
Therefore, how improving the functional reliability of high-altitude operation platform, is current those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, the utility model provides a kind of transmission device, and compared to traditional transmission device, it can improve the functional reliability of high-altitude operation platform further.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of transmission device, comprises the mobile link block being fixedly connected with and block and thread rod being provided with nut, and it also comprises at described nut and to be describedly fixedly connected with between block, and is compressed with the described block that is fixedly connected with by described nut, the elastic component in contraction state.
Preferably, in above-mentioned transmission device, described elastic component is Compress Spring.
Preferably, in above-mentioned transmission device, described Compress Spring is set in the outside of described thread rod.
Preferably, in above-mentioned transmission device, the outside of each described thread rod is all arranged with described Compress Spring.
Based on above-mentioned transmission device, the utility model additionally provides a kind of aerial lift device, comprise multiple telescopic boom and drive many sets of transmission mechanism of each described telescopic boom respectively, and this transmission device is transmission device described above.
The transmission device that the utility model provides, comprise and be fixedly connected with block and mobile link block, and mobile link block is realized and the connection being fixedly connected with block with nut by thread rod, on this basis, also be provided with elastic component, this elastic component is at nut and be fixedly connected with between block, and be pressed in nut all the time and be fixedly connected with between block and present contraction state, such elastic component just can all the time to nut be fixedly connected with block apply tension force, namely to nut be fixedly connected with block apply make both away from thrust, thus make both be in the state of tensioning or pretension all the time.Because nut is arranged on thread rod, thread rod is connected on mobile link block, mobile link block connects chain, so the tension force applied by elastic component, just can make chain be fixed all the time contiguous block tension, thus avoid there will be relaxation during chain initial launch, to make between different chain or uniform force between same chain different parts, solve telescopic boom run the starting stage occur run the asynchronous and problems such as shake of creeping, further increase the functional reliability of high-altitude operation platform.The utility model additionally provides a kind of a kind of aerial lift device with above-mentioned transmission device.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of the telescopic boom of prior art high and medium job platform;
Fig. 2 is the partial isometric of Fig. 1;
Fig. 3 is the partial enlarged drawing of Fig. 2;
The axonometric drawing of the telescopic boom of the aerial lift device that Fig. 4 provides for the utility model embodiment;
Fig. 5 is the partial enlarged drawing of Fig. 4.
In above Fig. 1-Fig. 5:
Basic arm 01, first segment arm 02, second section arm Section of 03, three arm Section of 04, four arm 05, pulley 06,07,08, is fixedly connected with block 09, mobile link block 010, thread rod 011, nut 012;
Be fixedly connected with block 1, thread rod 2, nut 3, elastic component 4, mobile link block 5.
Detailed description of the invention
The utility model provides a kind of transmission device, and compared to traditional transmission device, it can improve the functional reliability of high-altitude operation platform further.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 4 and Figure 5, the transmission device that the utility model embodiment provides, comprise the mobile link block 5 being fixedly connected with and block 1 and thread rod 2 being provided with nut 3, it also comprises at nut 3 and is fixedly connected with between block 1, and by nut 3 be fixedly connected with block 1 and compress, the elastic component 4 in contraction state.
The transmission device that the present embodiment provides, comprise and be fixedly connected with block 1 and mobile link block 5, and mobile link block 5 is realized and the connection being fixedly connected with block 1 with nut 3 by thread rod 2, on this basis, also be provided with elastic component 4, this elastic component 4 is at nut 3 and be fixedly connected with between block 1, and be pressed in nut 3 all the time and be fixedly connected with between block 1 and present contraction state, such elastic component 4 just can all the time to nut 3 be fixedly connected with block 1 and apply tension force, namely to nut 3 be fixedly connected with block 1 apply make both away from thrust, thus make both be in the state of tensioning or pretension all the time.
Because nut 3 is arranged on thread rod 2, thread rod 2 is connected on mobile link block 5, mobile link block 5 connects chain, so the tension force applied by elastic component 4, the chain contiguous block 1 that is fixed all the time just can be made to strain, thus avoid there will be relaxation during chain initial launch, to make between different chain or uniform force between same chain different parts, solve telescopic boom run the starting stage occur run the asynchronous and problems such as shake of creeping, further increase the functional reliability of high-altitude operation platform.The utility model additionally provides a kind of a kind of aerial lift device with above-mentioned transmission device.
In order to further optimization technique scheme, in the transmission device that the present embodiment provides, elastic component 4 is Compress Spring.In the present embodiment, the effect of elastic component 4 be exactly to nut 3 be fixedly connected with block 1 and apply tension force, make to be in tensioning or Pre strained state all the time between the two, thus strain the chain be connected with mobile link block 5 by nut 3, thread rod 2, concrete, this elastic component 4 is preferably Compress Spring, because Compress Spring is elastic component 4 the most common in actual production, is easy to the realization of technical scheme.
Preferably, Compress Spring is set in the outside of thread rod 2.Compress Spring is set in the outside of thread rod 2, for a kind of preferred arrangement, what this kind of set-up mode can make raising Compress Spring arranges reliability, avoid Compress Spring because bearing compressive force from nut 3 and to be fixedly connected with between block 1 unexpected deviate from phenomenon occur, improve the functional reliability of Compress Spring.Further, the thrust that this kind of set-up mode also can make nut 3 be subject to is more even, avoids stressed concentrating and impacts the connection between nut 3 and thread rod 2.Certainly, under the prerequisite meeting job requirement, Compress Spring also can not be set on thread rod 2, does not limit at this.
In the present embodiment, the outside of each thread rod 2 is all arranged with Compress Spring.Because each mobile link block 5 is all coordinated with two nuts 3 respectively by two thread rods 2 be fixedly connected with block 1 and be connected, in order to farthest improve its functional reliability, the present embodiment is all sheathed Compress Spring on each thread rod 2 preferably, i.e. each nut 3 and be fixedly connected with between block 1 and be provided with Compress Spring, to improve pretensioning effect further.
Based on the transmission device provided in above-described embodiment, the utility model embodiment still provides a kind of aerial lift device, and this aerial lift device has the transmission device provided in above-described embodiment.
Because this aerial lift device have employed the transmission device that above-described embodiment provides, so the beneficial effect that this aerial lift device is brought by transmission device please refer to corresponding part in above-described embodiment, do not repeat them here.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a transmission device, comprise the mobile link block being fixedly connected with and block and thread rod being provided with nut, it is characterized in that, also comprise at described nut and be describedly fixedly connected with between block, and compressed with the described block that is fixedly connected with by described nut, the elastic component in contraction state.
2. transmission device according to claim 1, is characterized in that, described elastic component is Compress Spring.
3. transmission device according to claim 2, is characterized in that, described Compress Spring is set in the outside of described thread rod.
4. the transmission device of aerial lift device according to claim 3, is characterized in that, the outside of each described thread rod is all arranged with described Compress Spring.
5. an aerial lift device, comprise multiple telescopic boom and drive many sets of transmission mechanism of each described telescopic boom respectively, it is characterized in that, described transmission device is the transmission device in the claims 1-4 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764583.0U CN204434221U (en) | 2014-12-08 | 2014-12-08 | A kind of aerial lift device and transmission device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764583.0U CN204434221U (en) | 2014-12-08 | 2014-12-08 | A kind of aerial lift device and transmission device thereof |
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| Publication Number | Publication Date |
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| CN204434221U true CN204434221U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420764583.0U Active CN204434221U (en) | 2014-12-08 | 2014-12-08 | A kind of aerial lift device and transmission device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002380A (en) * | 2019-04-09 | 2019-07-12 | 湖南星邦重工有限公司 | A kind of elevating mechanism and the aerial work platform using the elevating mechanism |
-
2014
- 2014-12-08 CN CN201420764583.0U patent/CN204434221U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002380A (en) * | 2019-04-09 | 2019-07-12 | 湖南星邦重工有限公司 | A kind of elevating mechanism and the aerial work platform using the elevating mechanism |
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Address after: 410600, 128, Jinzhou Avenue East, Jinzhou new district, Changsha, Hunan, Ningxiang Patentee after: Hunan Xingbang Intelligent Equipment Co., Ltd Address before: 410600, 128, Jinzhou Avenue East, Jinzhou new district, Changsha, Hunan, Ningxiang Patentee before: Hunan Sinoboom Heavy Industry Co., Ltd. |