CN203864928U - Lifting mast - Google Patents
Lifting mast Download PDFInfo
- Publication number
- CN203864928U CN203864928U CN201420274039.8U CN201420274039U CN203864928U CN 203864928 U CN203864928 U CN 203864928U CN 201420274039 U CN201420274039 U CN 201420274039U CN 203864928 U CN203864928 U CN 203864928U
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- CN
- China
- Prior art keywords
- rod
- dowel pin
- locating dowel
- positioning
- positioning seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Electric Cable Installation (AREA)
Abstract
The utility model relates to a lifting mast which comprises a plurality of mast bodies arranged from top to bottom. As for every two adjacent mast bodies, the upper mast body is inserted into the lower mast body, the upper end of the lower mast body is sleeved with a positioning sleeve, the lower end of the upper mast body is provided with a piston, the positioning sleeve is provided with a positioning base and a positioning pin, the positioning base is fixedly connected with the positioning sleeve, the positioning pin is inserted into the positioning base, a compression spring is arranged between the positioning base and the positioning pin, the inner side end of the positioning pin extends into the lower mast body to abut against the outer wall of the upper mast body, a plurality of positioning grooves into which the positioning pin slides are formed in the axial direction of the side wall of the piston, the outer side end of the positioning pin extends out of the positioning base, and the outer side end of the positioning pin is provided with a control part. By the adoption of the technical scheme, as for every two adjacent mast bodies, the upper mast body can be locked only by rotating the upper mast body after the upper mast body extends out of the lower mast body, positioning is firm and reliable, and operation is convenient.
Description
Technical field
The utility model relates to a kind of elevation mast.
Background technology
Existing elevation mast, generally comprise the some pole bodies that arrange from top to bottom, the body of rod that is positioned at upside in described adjacent two bodies of rod is plugged in the flexible cooperation of the adjacent body of rod of body of rod formation of downside, the body of rod sidewall that is positioned at downside in adjacent two bodies of rod is provided with dowel bolt, by the body of rod of upside from the downside body of rod stretches out, dowel bolt is conflicted the upside body of rod is positioned with the outer wall of the upside body of rod that is positioned at the downside body of rod, but, the elevation mast of this structure, inconvenient operation, it is not firm to locate.
Summary of the invention
The purpose of this utility model: in order to overcome the defect of prior art, the utility model provides a kind of elevation mast, only needs to rotate the upside body of rod and can lock the upside body of rod at the upside body of rod from the downside body of rod stretches out, and it is firm to locate, easy to operate.
The technical solution of the utility model: a kind of elevation mast, include the some pole bodies that arrange from top to bottom, the body of rod that is positioned at upside in described adjacent two bodies of rod is plugged in the body of rod of downside, it is characterized in that: the body of rod upper end that is positioned at downside in adjacent two bodies of rod is arranged with locating bush, the body of rod lower end that is positioned at upside is provided with piston, described locating bush is provided with positioning seat, locating dowel pin, described positioning seat is fixedly connected with locating bush, described locating dowel pin is plugged in positioning seat, between described positioning seat and locating dowel pin, be provided with Compress Spring, described locating dowel pin medial extremity extends in the downside body of rod and conflicts with upside body of rod outer wall, on described piston side wall, be axially arranged with multiple positioning grooves that slip into for locating dowel pin around it, described locating dowel pin external side end extends to outside positioning seat, locating dowel pin external side end is provided with control piece.
Adopt technique scheme, the upside body of rod in adjacent two bodies of rod is from the downside body of rod stretches out, rotate the upside body of rod locating dowel pin can be slipped in the positioning groove on piston smoothly, now, the upside body of rod is locked, therefore, the elevation mast of this structure, only needs to rotate the upside body of rod and can lock the upside body of rod at the upside body of rod from the downside body of rod stretches out, it is firm, easy to operate to locate; The control piece arranging can conveniently pull out locating dowel pin in positioning groove, thereby the upside body of rod is inserted in the downside body of rod, more convenient to operate.
Further setting of the present utility model: described locating dowel pin is provided with shoulder rank, described positioning seat is provided with groove, positioning seat upper end is provided with through hole, described locating dowel pin external side end extends to outside positioning seat through groove, through hole, described Compress Spring is set on locating dowel pin, conflict in Yu Jian rank, Compress Spring one end, the other end and bottom portion of groove are conflicted.
Adopt above-mentioned further setting, the Compress Spring locate mode of this structure, it is firm to locate, and spring can not produce skew, thereby ensures its stable work in work.
Further setting more of the present utility model: the body of rod upper end that is positioned at top side is inserted with wire outlet seat, the body of rod screw thread of described wire outlet seat and top side is fixed, described wire outlet seat one side is provided with line outlet, one end that described wire outlet seat is plugged in the body of rod of top side is provided with incoming line, described incoming line and line outlet conducting, in described incoming line, be provided with orienting sleeve, described orienting sleeve and wire outlet seat screw thread are fixed.
Adopt above-mentioned further setting again, because line outlet is positioned at wire outlet seat one side, the orienting sleeve arranging by the incoming line at wire outlet seat, can prevent that wire from blocking between wire outlet seat and the top side body of rod, thereby ensures that circuit is unimpeded.
Further setting more of the present utility model: the external side end of described locating dowel pin is provided with outside thread, and described control piece is provided with tapped bore, described control piece and locating dowel pin screw thread fit.
Adopt above-mentioned further setting again, the control piece mounting means of this structure, easy for installation, convenient disassembly, it is firm to locate.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model specific embodiment;
Fig. 2 is I part partial enlarged drawing in Fig. 1;
Fig. 3 is J part partial enlarged drawing in Fig. 1;
Fig. 4 is piston structure schematic diagram in the utility model specific embodiment.
Detailed description of the invention
As Figure 1-4, a kind of elevation mast, include the four pole bodies 1 that arrange from top to bottom, 2, 3, 4, the body of rod that is positioned at upside in described adjacent two bodies of rod is plugged in the body of rod of downside, the body of rod upper end that is positioned at downside in adjacent two bodies of rod is arranged with locating bush 5, the body of rod lower end that is positioned at upside is provided with piston 6, described locating bush 5 is provided with positioning seat 7, locating dowel pin 8, described positioning seat 7 is fixedly connected with locating bush 5, described locating dowel pin 8 is plugged in positioning seat 7, between described positioning seat 7 and locating dowel pin 8, be provided with Compress Spring 9, described locating dowel pin 8 medial extremitys extend in the downside body of rod and conflict with upside body of rod outer wall, on described piston 6 sidewalls, be axially arranged with multiple positioning grooves 61 that slip into for locating dowel pin 8 around it, described locating dowel pin 8 external side ends extend to outside positioning seat 7, locating dowel pin 8 external side ends are provided with control piece 10.The upside body of rod in adjacent two bodies of rod is from the downside body of rod stretches out, rotating the upside body of rod can slip in the positioning groove 61 on piston 6 locating dowel pin 8 smoothly, now, the upside body of rod is locked, therefore, and the elevation mast of this structure, at the upside body of rod from the downside body of rod stretches out, only need to rotate the upside body of rod and can lock the upside body of rod, it is firm to locate, easy to operate; The control piece 10 arranging can be conveniently by locating dowel pin 8 from the interior pull-out of positioning groove 61, thereby the upside body of rod is inserted in the downside body of rod, more convenient to operate.
In the utility model specific embodiment, described locating dowel pin 8 is provided with shoulder rank 81, described positioning seat 7 is provided with groove 71, positioning seat 7 upper ends are provided with through hole 72, described locating dowel pin 8 external side ends extend to outside positioning seat 7 through groove 71, through hole 72, described Compress Spring 9 is set on locating dowel pin 8, conflicts in Compress Spring 9 Yu Jian rank, one end 81, conflicts in the other end and groove 71 bottoms.Compress Spring 9 locate modes of this structure, it is firm to locate, and spring can not produce skew, thereby ensures its stable work in work.
In the utility model specific embodiment, the body of rod 1 upper end that is positioned at top side is inserted with wire outlet seat 11, described wire outlet seat 11 is fixed with the body of rod 1 screw thread of top side, described wire outlet seat 11 1 sides are provided with line outlet 111, one end that described wire outlet seat 11 is plugged in the top side body of rod 1 is provided with incoming line 112, described incoming line 112 and line outlet 111 conductings, be provided with orienting sleeve 12 in described incoming line 112, and described orienting sleeve 12 is fixed with wire outlet seat 11 screw threads.Because line outlet 111 is positioned at wire outlet seat 11 1 sides, the orienting sleeve 12 arranging by the incoming line 112 at wire outlet seat 11, can prevent that wire from blocking between wire outlet seat 11 and the top side body of rod 1, thereby ensures that circuit is unimpeded.
In the utility model specific embodiment, the external side end of described locating dowel pin 8 is provided with outside thread, and described control piece 10 is provided with tapped bore 101, described control piece 10 and locating dowel pin 8 screws thread fit.The control piece mounting means of this structure, easy for installation, convenient disassembly, it is firm to locate.
Claims (4)
1. an elevation mast, include the some pole bodies that arrange from top to bottom, the body of rod that is positioned at upside in described adjacent two bodies of rod is plugged in the body of rod of downside, it is characterized in that: the body of rod upper end that is positioned at downside in adjacent two bodies of rod is arranged with locating bush, the body of rod lower end that is positioned at upside is provided with piston, described locating bush is provided with positioning seat, locating dowel pin, described positioning seat is fixedly connected with locating bush, described locating dowel pin is plugged in positioning seat, between described positioning seat and locating dowel pin, be provided with Compress Spring, described locating dowel pin medial extremity extends in the downside body of rod and conflicts with upside body of rod outer wall, on described piston side wall, be axially arranged with multiple positioning grooves that slip into for locating dowel pin around it, described locating dowel pin external side end extends to outside positioning seat, locating dowel pin external side end is provided with control piece.
2. elevation mast according to claim 1, it is characterized in that: described locating dowel pin is provided with shoulder rank, described positioning seat is provided with groove, positioning seat upper end is provided with through hole, described locating dowel pin external side end extends to outside positioning seat through groove, through hole, described Compress Spring is set on locating dowel pin, conflicts in Yu Jian rank, Compress Spring one end, and the other end and bottom portion of groove are conflicted.
3. elevation mast according to claim 1 and 2, it is characterized in that: the body of rod upper end that is positioned at top side is inserted with wire outlet seat, the body of rod screw thread of described wire outlet seat and top side is fixed, described wire outlet seat one side is provided with line outlet, one end that described wire outlet seat is plugged in the body of rod of top side is provided with incoming line, described incoming line and line outlet conducting, be provided with orienting sleeve in described incoming line, and described orienting sleeve and wire outlet seat screw thread are fixed.
4. elevation mast according to claim 3, is characterized in that: the external side end of described locating dowel pin is provided with outside thread, and described control piece is provided with tapped bore, described control piece and locating dowel pin screw thread fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274039.8U CN203864928U (en) | 2014-05-26 | 2014-05-26 | Lifting mast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274039.8U CN203864928U (en) | 2014-05-26 | 2014-05-26 | Lifting mast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203864928U true CN203864928U (en) | 2014-10-08 |
Family
ID=51645909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420274039.8U Expired - Lifetime CN203864928U (en) | 2014-05-26 | 2014-05-26 | Lifting mast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203864928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818884A (en) * | 2015-05-14 | 2015-08-05 | 中山市默拜尔网络科技有限公司 | Lifting adjustment type communication launching tower |
| CN112859105A (en) * | 2020-12-31 | 2021-05-28 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Compact mast shaft-penetrating type liftable photoelectric heel searching system |
-
2014
- 2014-05-26 CN CN201420274039.8U patent/CN203864928U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818884A (en) * | 2015-05-14 | 2015-08-05 | 中山市默拜尔网络科技有限公司 | Lifting adjustment type communication launching tower |
| CN112859105A (en) * | 2020-12-31 | 2021-05-28 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Compact mast shaft-penetrating type liftable photoelectric heel searching system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |