CN201713238U - Engineering vehicle and arm-frame adjusting device thereof - Google Patents
Engineering vehicle and arm-frame adjusting device thereof Download PDFInfo
- Publication number
- CN201713238U CN201713238U CN2010202593494U CN201020259349U CN201713238U CN 201713238 U CN201713238 U CN 201713238U CN 2010202593494 U CN2010202593494 U CN 2010202593494U CN 201020259349 U CN201020259349 U CN 201020259349U CN 201713238 U CN201713238 U CN 201713238U
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- arm tube
- arm
- control apparatus
- slide block
- jib
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Abstract
The utility model discloses an arm-frame adjusting device, which is used for adjusting distance between adjacent arm tubes for the arm frame of the engineering vehicle. The arm-frame adjusting device comprises a sliding block (3) arranged between a first arm tube (1) and a second arm tube (2) which are adjacent, and a supporting component moving relative to the first arm tube (1) and the second arm tube (2); and the supporting component (4) is fixedly connected with the sliding block (3). The arm-frame adjusting device can not only effectively reduce the adjusting difficulty between the arm tubes and increase the convenience for adjusting position, but also improve the reliability of the engineering vehicle and the arm frame. The utility model further discloses an engineering vehicle containing the above arm-frame adjusting device.
Description
Technical field
The utility model relates to the engineering truck field, particularly relates to a kind of jib control apparatus that is used for engineering truck.In addition, the utility model also relates to a kind of engineering truck that comprises above-mentioned jib control apparatus.
Background technology
Along with the fast development of China's economic construction, market for engineering truck particularly the demand of large-tonnage engineering truck increase day by day.Therefore engineering truck commonly used just develops towards the direction that maximizes; Maximization is an important design goal of engineering truck.
With elevating fire truck or aerial platform is example, and jib class fire extinguishing tanker and large-sized aerial work car are equipped with mechanisms such as fire-fighting bubble or workplatform on the jib top, can realize functions such as water spray, rescue, aloft work.Along with the continuous development in market, rice is counted the aloft work vehicle higher demand.
When engineering truck needed work, each saved arm and need stretch out successively; When end-of-job need be cut to, each saved arm indentation successively.Can relatively move between the arm tube of adjacent segments arm and the arm tube in the said process, smooth and easy for guaranteeing its relative motion, between two adjacent arm tubes, be provided with the jib control apparatus.
Jib control apparatus of the prior art comprises the slide block that pad forms, and comes the thickness of adjusting slider by the quantity that increases and reduce pad, and adjusts distance between the adjacent two arm tubes according to the thickness of slide block.
With the elevating fire truck is example, and the jib control apparatus of telescopic boom has following defective on the elevating fire truck at present:
1. the gap adjustment between the alternate arm tube realizes that by the quantity of bearing cap shim after assembling the arm tube, the fixed thickness of slide block can't increase or reduce pad again, and maintenance difficulties is big.
2. after long-time the use, slider wear causes believing the gap increase between the arm tube, and jib is easy to generate vibration in flexible process, influence the reliability of engineering truck and jib thereof.
3. if jib generation infinitesimal deformation in the time of need reducing the thickness of slide block, needs machinework to realize, its difficulty is bigger.
Therefore, how improving the maintainability of jib control apparatus, improve the reliability of engineering truck and jib thereof, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of jib control apparatus that is used for engineering truck, this jib control apparatus can effectively reduce the difficulty of position adjustments between each arm tube, improve the convenience of position adjustments, and utilize this jib control apparatus can effectively improve the reliability of engineering truck and jib thereof.Another purpose of the present utility model provides a kind of engineering truck that comprises above-mentioned jib control apparatus.
For achieving the above object, the utility model provides a kind of jib control apparatus, be used for regulating the distance between the engineering vehicle arm rest alternate arm tube, comprise the slide block of being located between the adjacent the first arm tube and the second arm tube, also comprise the supporting component that can move relative to described the first arm tube and the described second arm tube, this supporting component is captiveed joint with described slide block.
Preferably, described supporting component comprises the screw rod that matches with described the first arm tube, and the free end of this screw rod is vertically captiveed joint with described slide block.
Preferably, described the first arm tube has the mount pad that cooperates with described screw rod, and the bearing of trend of tapped bore is vertical with the barrel direction of its cooresponding described second arm tube in this mount pad.
Preferably, described supporting component also comprises the bolt of rear end plate that penetrates described mount pad sidewall, and the bearing of trend of this bolt of rear end plate is radially consistent with described screw rod, and the sidewall of its end and described screw rod offsets.
Preferably, described supporting component also comprises the limiting component with blind hole, and the free end of described screw rod matches with described blind hole; Described limiting component has first section and diameter greater than described first section second section, and described slide block has the connecting bore with described first section interference fit.
Preferably, also comprise the baffle plate of being located between described second section and the described slide block, the size of this baffle plate equates with the size of described slide block, and captives joint with described first section.
The invention also discloses a kind of engineering truck, its telescopic jib comprises the first arm tube and the second arm tube, comprises that also as above-mentioned each described jib control apparatus, the slide block of this jib control apparatus is located between described the first arm tube and the described second arm tube.
Preferably, described jib control apparatus is horizontally disposed with symmetrically along the vertical axis of described the first arm tube.
Preferably, described jib control apparatus is located at the below of the described second arm tube, to the described second arm tube of upper support.
Jib control apparatus provided by the utility model, be used for regulating the distance between the engineering vehicle arm rest alternate arm tube, comprise the slide block of being located between the adjacent the first arm tube and the second arm tube, with the supporting component that can move relative to described the first arm tube and the described second arm tube, this supporting component is captiveed joint with described slide block.Supporting component is when the first arm tube and the second arm tube move, and can driving with it, the slide block of captive joint moves relative to the first arm tube and the second arm tube.Therefore, when jib is installed, when if the gap between slide block and the first arm tube and/or the second arm tube is improper, can regulate the relative position between supporting component and the first arm tube and the second arm tube, make it to drive slide block, adjust the relative position of slide block and the first arm tube and the second arm tube, make it to arrive desirable position, guarantee that the first arm tube and the second arm tube can normally stretch out and withdraw.
In addition,, when making the first arm tube or the second arm tube, cause jib vibration when stretching out, to occur, influence the reliability of engineering truck and jib thereof with respect to the gap increase between the slide block when wearing and tearing appear in slide block.Drive slide block by supporting component and move relative to the first arm tube or the second arm tube this moment, and the vibration of jib can be effectively reduced in the gap between adjusting slider and the first arm tube or the second arm tube, improves the reliability of engineering truck and jib thereof.
Equally,, can make the position relative arm tube attenuation of slide block by adjusting the position of bracing or strutting arrangement equally, guarantee that jib is normally flexible when arm tube generation infinitesimal deformation, in the time of need reducing the thickness of slide block.By jib control apparatus provided by the utility model, can effectively reduce the difficulty of position adjustments between each arm tube, improve the convenience of position adjustments; Improve the reliability of engineering truck and jib thereof simultaneously.
A kind of preferred embodiment in, described supporting component comprises the screw rod that matches with described the first arm tube, the free end of this screw rod is vertically captiveed joint with described slide block.Be that screw rod is connected with the first arm tube, the free end of screw rod is captiveed joint with slide block, by relatively moving between screw rod and the first arm tube, adjusts the relative distance between slide block and the first arm tube.Screw rod is a kind of workpiece commonly used of maturation, and cooperates closely, the reliability height, and price is lower, can reduce the productive costs of jib control apparatus on the basis of satisfying the supporting component requirement.
In another preferred embodiment, described the first arm tube has the mount pad that cooperates with described screw rod, and the bearing of trend of tapped bore is vertical with the barrel direction of its cooresponding described second arm tube in this mount pad.Screw rod is installed on the first arm tube by mount pad, and the direction of screw rod is vertical with the barrel direction of the second arm tube, barrel direction adjustment that can the vertical second arm tube when making screw rod drive slide block makes slide block parallel with the second arm tube, supports the second arm tube better and stretches out or withdraw.
On the basis that above-mentioned jib control apparatus is provided, the utility model also provides a kind of engineering truck that comprises above-mentioned jib control apparatus; Because the jib control apparatus has above-mentioned technique effect, the engineering truck with this jib control apparatus also has the corresponding techniques effect.
Description of drawings
Fig. 1 is the structural representation of jib that the utility model provides and a kind of specific embodiment of control apparatus thereof;
Fig. 2 provides the structural representation of a kind of specific embodiment of jib control apparatus for utility model;
Fig. 3 provides support the explosive view of a kind of specific embodiment of assembly for the utility model.
The specific embodiment
Core of the present utility model provides a kind of jib control apparatus that is used for engineering truck, this jib control apparatus can effectively reduce the difficulty of position adjustments between each arm tube, improve the convenience of position adjustments, and utilize this jib control apparatus can effectively improve the reliability of engineering truck and jib thereof.Another core of the present utility model provides a kind of engineering truck that comprises above-mentioned jib control apparatus.
The noun of locality such as upper and lower, inside and outside that this paper is related, be with engineering truck be in the transition state, to close be that benchmark defines in the position of each assembly when jib was in contraction state.The noun of locality that should be appreciated that herein to be adopted should not limit the protection domain of this patent.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of jib that the utility model provides and a kind of specific embodiment of control apparatus thereof; Fig. 2 provides the structural representation of a kind of specific embodiment of jib control apparatus for utility model.
Jib control apparatus provided by the utility model, be used for regulating the distance between the engineering vehicle arm rest alternate arm tube, comprise the slide block of being located between the adjacent the first arm tube 1 and the second arm tube 23, with the supporting component 4 that can move relative to the first arm tube 1 and the second arm tube 2, this supporting component 4 is captiveed joint with slide block 3.Supporting component 4 is when the first arm tube 1 and the second arm tube 2 move, and can driving with it, the slide block 3 of captive joint moves relative to the first arm tube 2 and the second arm tube 2.Therefore, when jib is installed, when if the gap between slide block 3 and the first arm tube 1 and/or the second arm tube 2 is improper, can regulate the relative position between supporting component 4 and the first arm tube 1 and the second arm tube 2, make it to drive slide block 3, adjust the relative position of slide block 3 and the first arm tube 1 and the second arm tube 2, make it to arrive desirable position, guarantee that the first arm tube 1 and the second arm tube 2 can normally stretch out and withdraw.
In addition,, when making the first arm tube 1 or the second arm tube 2, cause jib vibration when stretching out, to occur easily, influence the reliability of engineering truck and jib thereof with respect to the gap increase between the slide block 3 when wearing and tearing appear in slide block 3.Drive slide block 3 by supporting component 4 and move relative to the first arm tube 1 and/or the second arm tube 2 this moment, and the vibration of jib can be effectively reduced in the gap between adjusting slider 3 and the first arm tube 1 and/or the second arm tube 2, improves the reliability of engineering truck and jib thereof.
Equally,, can make the position relative arm tube attenuation of slide block 3 by adjusting the position of bracing or strutting arrangement 4 equally, guarantee that jib is normally flexible when arm tube generation infinitesimal deformation, in the time of need reducing the thickness of slide block 3.By jib control apparatus provided by the utility model, can effectively reduce the difficulty of position adjustments between each arm tube, improve the convenience of position adjustments; Improve the reliability of engineering truck and jib thereof simultaneously.
In a kind of concrete embodiment, supporting component 4 comprises the screw rod 41 that matches with the first arm tube 1, and the free end of this screw rod 41 is vertically captiveed joint with slide block 3.Be that screw rod 41 is connected with the first arm tube 1, the free end of screw rod 41 is captiveed joint with slide block 3, by relatively moving between screw rod 41 and the first arm tube 1, adjusts the relative distance between slide block 3 and the first arm tube 1.Screw rod is a kind of workpiece commonly used of maturation, not only cooperates closely, and the connection reliability height, and also cheap, can on the basis of satisfying supporting component 4 requirements, reduce the productive costs of jib control apparatus.
Obviously, supporting component 4 can also be other structure.For example can on the first arm tube 1 axle sleeve be set, supporting component 4 is a bearing pin, and slide block 3 is captiveed joint with the end of bearing pin.Bearing pin can move in axle sleeve, along its axial direction slotted hole is set at axle sleeve, by with the radially consistent screw rod of bearing pin or the anchor shaft that penetrates bearing pin bearing pin being fixed in the axle sleeve.And when adjusting relative position, unclamp by needs.Such structure also can satisfy needs of the present utility model.
Preferred embodiment, the first arm tube 1 has the mount pad 11 that cooperates with screw rod 41, and the bearing of trend of tapped bore is vertical with the barrel direction of its cooresponding second arm tube 2 in this mount pad 11.Screw rod 41 is installed on the first arm tube 1 by mount pad 11, and the direction of screw rod 41 is vertical with the barrel direction of the second arm tube 2, barrel direction adjustment that can the vertical second arm tube 2 when making screw rod 41 drive slide blocks 3, make slide block 3 parallel, support the second arm tube 2 better and stretch out or withdraw with the second arm tube 2.
Above-mentioned supporting component 4 can also comprise the bolt of rear end plate 42 that penetrates mount pad 11 sidewalls, and the bearing of trend of this bolt of rear end plate is radially consistent with screw rod 41, and the sidewall of its end and screw rod 41 offsets.Be after slide block 3 arrives the ideal operation position, can fix the relative position of mount pad 11 and screw rod 41 by bolt of rear end plate 41, make the position of slide block 3 more firm, jib structure is more reliable.
Can above-mentioned jib control apparatus be further improved.
Please refer to Fig. 3, Fig. 3 provides support the explosive view of a kind of specific embodiment of assembly for the utility model.
The slide block 3 general abrasion resistant nylon materials that adopt form, too dark in order to prevent that screw rod 41 from entering slide block 3, limiting component 43 can be set at the free end of screw rod 41, this limiting component 43 has the screw rod of holding 41 free-ended blind holes, obviously, the hardness of limiting component 43 can adopt metal to make and form greater than slide block.The free end of screw rod 41 cooperates with blind hole, and it is dark excessively effectively to avoid the free end of screw rod 41 to enter the degree of depth of slide block 3, improves the reliability of jib control apparatus.
Simultaneously, limiting component 43 can have first section 431 and second sections 432, and second section 432 diameter forms step-like greater than first section 431 diameter.Slide block 3 has the connecting bore 31 with first section 431 interference fit, makes first section 431 and captives joint with slide block 3, and by the degree of depth that second section 432 restriction screw rod 41 enters 2 li of slide blocks, make screw rod 41 be connected more reliable with slide block 3.
In further technical scheme, can also between second section 432 and slide block 3, baffle plate 44 be set, and the size of this baffle plate 44 can be more than or equal to the size of slide block 3, baffle plate 44 is captiveed joint with first section 431.Baffle plate 44 can adopt hardness to form greater than the material of slide block 3 hardness, makes when rubbing between the slide block 3 and second jib 2, and its intensity and hardness are guaranteed.
Except above-mentioned jib control apparatus, the utility model also provides a kind of engineering truck that comprises above-mentioned jib control apparatus, the telescopic jib of this project vehicle comprises the first arm tube 1 and the second arm tube 2, and the slide block 3 of jib control apparatus is located between the first arm tube 1 and the second arm tube 2.The structure of other each several parts of engineering truck please refer to prior art, and this paper repeats no more.
Particularly, above-mentioned engineering truck can be the machinery that elevating fire truck, aerial platform etc. have telescopic jib.
In a kind of concrete embodiment, the jib control apparatus can be horizontally disposed with symmetrically along the vertical axis of the first arm tube 1.Promptly in the axis both sides of second jib 2, level and common symmetrically clamping second jib 2 make second jib 2 can be steadily stressed, prevent second jib, 2 lateral deviations jointly.
Further, the jib control apparatus can be located at the below of the second arm tube 2, to the upper support second arm tube 2.As shown in Figure 1, can be at the downside of the first arm tube 1 along vertical axes to two jib control apparatuss are set symmetrically, make two jib control apparatuss jointly to the upper support second arm tube 2, prevent that the second arm tube 2 in use is subjected to the bent distortion of the downward lateral bending of gravity effect.
Obviously, the jib control apparatus of being located at the second arm tube, 2 belows can be one, is located on the vertical axis of the second arm tube 2; Perhaps can be a plurality of, be arranged at the below of the second arm tube 2 equably, all, make the structure of jib more reliable, stretch out or to occur the possibility of vibration when withdrawing littler to the upper support second arm tube 2.
Need to prove, only mention the first arm tube 1 and the second arm tube 2 herein, mean in the jib of engineering truck and include but not limited to two arm tubes, engineering truck provided by the utility model can comprise the single oil cylinder tube, and in adjacent any two joint arms, one is the first arm tube 1, and another is the second arm tube 2.Simultaneously, among the embodiment that provides in the accompanying drawing of this specification sheets, all be that supporting component 4 is installed on the first arm tube 1, the second arm tube 2 is sleeved on the inside of the first arm tube 1, and supporting component 4 is stretched into the inside of the first arm tube 2 by the outside of the first arm tube 1.Obviously, if supporting component 4 is protruding by the inside of the second arm tube 2 in the said structure, still between the first arm tube 1 and the second arm tube 2, such structure also can satisfy requirement of the present utility model to slide block.Therefore, the first arm tube 1 is general and relative notions with the second arm tube 2, should not be subjected to the restriction of this Figure of description.
More than engineering truck provided by the utility model and jib control apparatus thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. jib control apparatus, be used for regulating the distance between the engineering vehicle arm rest alternate arm tube, comprise the slide block of being located between the adjacent the first arm tube (1) and the second arm tube (2) (3), it is characterized in that, also comprise the supporting component (4) that can move relative to described the first arm tube (1) and the described second arm tube (1), this supporting component (4) is captiveed joint with described slide block (3).
2. jib control apparatus according to claim 1 is characterized in that, described supporting component (4) comprises the screw rod (41) that matches with described the first arm tube (1), and the free end of this screw rod (41) is vertically captiveed joint with described slide block (3).
3. jib control apparatus according to claim 2, it is characterized in that, described the first arm tube (1) has the mount pad (11) that cooperates with described screw rod (41), and the bearing of trend of tapped bore is vertical with the barrel direction of its cooresponding described second arm tube (2) in this mount pad (11).
4. jib control apparatus according to claim 3, it is characterized in that, described supporting component (4) also comprises the bolt of rear end plate (42) that penetrates described mount pad (11) sidewall, the bearing of trend of this bolt of rear end plate (42) is radially consistent with described screw rod (41), and the sidewall of its end and described screw rod (41) offsets.
5. according to each described jib control apparatus of claim 2 to 4, it is characterized in that described supporting component (4) also comprises the limiting component (43) with blind hole, the free end of described screw rod (41) matches with described blind hole; Described limiting component (43) has first section (431) and diameter second section (432) greater than described first section (431), and described slide block (3) has the connecting bore (31) with described first section (431) interference fit.
6. jib control apparatus according to claim 5, it is characterized in that, also comprise the baffle plate of being located between described second section (432) and the described slide block (3) (44), the size of this baffle plate (44) equates with the size of described slide block (3), and captives joint with described first section (431).
7. engineering truck, its telescopic jib comprises the first arm tube (1) and the second arm tube (2), it is characterized in that, comprise also that as each described jib control apparatus of claim 1 to 6 slide block of this jib control apparatus (3) is located between described the first arm tube (1) and the described second arm tube (2).
8. engineering truck according to claim 7 is characterized in that, described jib control apparatus is horizontally disposed with symmetrically along the vertical axis of described the first arm tube (1).
9. engineering truck according to claim 8 is characterized in that, described jib control apparatus is located at the below of the described second arm tube (2), to the described second arm tube (2) of upper support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202593494U CN201713238U (en) | 2010-07-08 | 2010-07-08 | Engineering vehicle and arm-frame adjusting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202593494U CN201713238U (en) | 2010-07-08 | 2010-07-08 | Engineering vehicle and arm-frame adjusting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201713238U true CN201713238U (en) | 2011-01-19 |
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ID=43459238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202593494U Expired - Fee Related CN201713238U (en) | 2010-07-08 | 2010-07-08 | Engineering vehicle and arm-frame adjusting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201713238U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285597A (en) * | 2011-07-28 | 2011-12-21 | 长沙中联重工科技发展股份有限公司 | Method and structure for inter-arm positioning of crane jib, crane jib and crane |
| CN103342297A (en) * | 2013-07-08 | 2013-10-09 | 徐州重型机械有限公司 | Sliding type counterweight mounting rack and crane |
| CN109607395A (en) * | 2018-12-12 | 2019-04-12 | 航天重型工程装备有限公司 | A kind of mechanical arm |
| CN110902582A (en) * | 2019-12-04 | 2020-03-24 | 太原重工股份有限公司 | Telescopic boom and crane comprising same |
-
2010
- 2010-07-08 CN CN2010202593494U patent/CN201713238U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285597A (en) * | 2011-07-28 | 2011-12-21 | 长沙中联重工科技发展股份有限公司 | Method and structure for inter-arm positioning of crane jib, crane jib and crane |
| CN103342297A (en) * | 2013-07-08 | 2013-10-09 | 徐州重型机械有限公司 | Sliding type counterweight mounting rack and crane |
| CN103342297B (en) * | 2013-07-08 | 2016-07-06 | 徐州重型机械有限公司 | A kind of slidingtype balance weight installing rack and crane |
| CN109607395A (en) * | 2018-12-12 | 2019-04-12 | 航天重型工程装备有限公司 | A kind of mechanical arm |
| CN110902582A (en) * | 2019-12-04 | 2020-03-24 | 太原重工股份有限公司 | Telescopic boom and crane comprising same |
| CN110902582B (en) * | 2019-12-04 | 2021-07-09 | 太原重工股份有限公司 | Telescopic boom and crane comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170213 Address after: 221004 Jiangsu Province, Xuzhou City Yunlong District No. 165 Patentee after: Xugong fire safety equipment Co. Ltd. Address before: 221004 Xuzhou, Zhejiang Province, Jiangsu Road No. 165 Patentee before: Xuzhou Heavy Machinery Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20170708 |