CN215629794U - Gate telescopic pull rod - Google Patents
Gate telescopic pull rod Download PDFInfo
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- CN215629794U CN215629794U CN202121603467.7U CN202121603467U CN215629794U CN 215629794 U CN215629794 U CN 215629794U CN 202121603467 U CN202121603467 U CN 202121603467U CN 215629794 U CN215629794 U CN 215629794U
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- pull rod
- supporting
- gate
- spring
- rods
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- 239000004568 cement Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Abstract
The utility model discloses a gate telescopic pull rod which comprises a plurality of pull rods which are mutually nested and combined inside and outside, wherein each pull rod comprises an outer pull rod (41), a middle pull rod (42) and an inner pull rod (43), the outer pull rods (41) and the middle pull rods (42) are hollow rods, long sliding chutes (44) communicated with a middle cavity are symmetrically arranged on the side parts of the outer pull rods (41) and the middle pull rods (42), both the lower ends of the middle pull rods (42) and the inner pull rods (43) are provided with bearing beams (3), the bearing beams (3) are in sliding connection with the long sliding chutes (44) of the outer pull rods, and the lower ends of the outer pull rods (41) are provided with connectors (45) connected with gates. The utility model has the characteristics of simple use, short lifting operation time and small occupied space.
Description
Technical Field
The utility model relates to a gate pull rod, in particular to a gate telescopic pull rod.
Background
A pull rod type hydropower station maintenance gate is a common maintenance gate opening mode. The gate pull rod in the prior art is combined by a plurality of pull rods. The pull rod and the pull rod are connected section by section through a bearing or other forms. When the maintenance gate is required to be pulled up, the pull rod is pulled upwards by the portal crane, when the position of one section of pull rod is pulled up, the rest pull rod is required to be supported by the cross beam so as to prevent the gate from falling, the pulled pull rod is detached, and then each pull rod is sequentially pulled up until the gate is pulled up finally. The pull rod with the structure is complicated in use process, the pull rod needs to be disassembled, the whole time for lifting the gate and putting down the gate is long, a special place is needed for placing the pull rod, and the occupied space is large. Therefore, the existing gate pull rod has the problems of complicated use process, long operation time and large occupied space.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a telescopic pull rod of a gate. The utility model has the characteristics of simple use, short lifting operation time and small occupied space.
The technical scheme of the utility model is as follows: a gate telescopic pull rod comprises a plurality of pull rods which are mutually nested and combined; the pull rod comprises an outer pull rod, a middle pull rod and an inner pull rod, the outer pull rod and the middle pull rod are hollow rods, long chutes communicated with the middle cavity are symmetrically arranged on the lateral portions of the outer pull rod and the middle pull rod, bearing beams are arranged at the lower ends of the middle pull rod and the inner pull rod and are in sliding connection with the long chutes of the outer pull rod, and a connector connected with the gate is arranged at the lower end of the outer pull rod.
In the telescopic pull rod of the gate, the upper end of each pull rod is connected with the supporting plate through the upper pull head, and the inner supporting plate is positioned above the outer supporting plate.
In the gate telescopic pull rod, the supporting plate is provided with a pair of symmetrical stretching supports and supporting ribs, the stretching supports are matched and connected with a lifting hook of a crane, and the supporting ribs on the supporting plates adjacent to the inner layer and the outer layer are arranged up and down correspondingly.
In the telescopic pull rod of the gate, the upper pull heads of the middle pull rod and the outer pull rod respectively comprise annular main bodies, the centers of the annular main bodies are communicated with the middle cavity, the lower ends of the annular main bodies are provided with thread sections, a plurality of clamping grooves are uniformly formed in the peripheries of the annular main bodies, bearing bearings are installed in the clamping grooves through bearing shafts and are abutted to the pull rods on the inner layer, and cover plates covering the clamping grooves are arranged at the upper ends of the clamping grooves.
In the gate telescopic pull rod, cement bases are arranged on two sides of the pull rod, a gap for the pull rod to pass through is formed between the cement bases, and supporting beams for supporting the upper supporting plate of the outer pull rod are arranged on two sides of the upper portion of the gap.
In the gate telescopic pull rod, the supporting beam is connected with the cement base through the supporting shaft, the supporting shaft is sleeved with the first spring, one end of the first spring is connected with the cement base, and the other end of the first spring is connected with the supporting beam.
In the gate telescopic pull rod, the two sides of the supporting beam on the cement base are respectively provided with the base plate, the supporting beam is further provided with the fixing frame, the fixing frame is provided with the fixing shaft, the lower end of the fixing shaft is provided with the pulley abutted to the upper surface of the base plate through the wheel carrier, the fixing shaft is provided with the second spring, the upper end of the second spring is connected with the fixing frame, and the lower end of the second spring is connected with the wheel carrier.
Compared with the prior art, the telescopic pull rod structure is formed by nesting the pull rods inside and outside, the structure is simple, the manufacturing cost is low, the occupied space is small, the complex operation of disassembling/assembling the multi-section pull rod in the opening and closing process of the gate is avoided, the use is simple, and the time consumption is less;
in the stretching process, rolling friction is formed between the upper end of the pull rod and the bearing bearings of the supporting plate, sliding friction is formed between the lower end of the pull rod and the long sliding groove through the bearing beam, so that the friction force is small when the pull rod moves up and down, the phenomenon of jamming between the pull rods cannot occur, the stability is high, and the deviation is not easy.
Therefore, the utility model has the characteristics of simple use, short lifting operation time and small occupied space.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an exploded structure of the present invention;
FIG. 3 is a schematic view of the support plate structure of the center stay;
fig. 4 is a schematic structural view of a cement base.
The labels in the figures are: 1. a cement base; 11. a void; 12. a support beam; 13. a support shaft; 14. a first spring; 15. a substrate; 16. a fixed mount; 17. a fixed shaft; 171. a second spring; 18. a wheel carrier; 19. a pulley; 2. a support plate; 21. stretching the bracket; 22. a support edge; 3. a spandrel girder; 41. an outer pull rod; 42. a middle pull rod; 43. an inner pull rod; 44. a long chute; 45. a connector; 51. an annular body; 52. a card slot; 53. a load bearing; 54. and (7) a cover plate.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.
Example (b):
as shown in fig. 1 to 4, a gate telescopic pull rod comprises a plurality of pull rods which are embedded and combined with each other, the pull rods comprise an outer pull rod 41, a middle pull rod 42 and an inner pull rod 43, the outer pull rod 41 and the middle pull rod 42 are both hollow rods, long sliding grooves 44 communicated with the middle cavity are symmetrically arranged on the side portions of the outer pull rod 41 and the middle pull rod 42, load-bearing beams 3 are arranged at the lower ends of the middle pull rod 42 and the inner pull rod 43, the load-bearing beams 3 are connected with the long sliding grooves 44 of the outer pull rod in a sliding manner, and a connector 45 connected with a gate is arranged at the lower end of the outer pull rod 41.
The number of the middle pull rods 42 can be set according to actual requirements, the plurality of the middle pull rods 42 are nested inside and outside in sequence, and in the embodiment, four middle pull rods 42 are adopted.
The adjacent pull rods of the inner layer and the outer layer are distributed in a staggered way. The upper end of every pull rod all is equipped with backup pad 2 through last pull head, and inlayer backup pad 2 is located the top of outer backup pad 2, when drawing in, and the adjacent backup pad 2 butt each other from top to bottom in the inlayer.
The supporting plate 2 is provided with a pair of symmetrical stretching supports 21 and supporting ribs 22, the stretching supports 21 are matched and connected with a lifting hook of a crane, and the supporting ribs 22 on the supporting plates 2 adjacent to the inner layer and the outer layer are arranged up and down correspondingly. When the pull rod is folded, the supporting edges 22 on the upper and lower supporting plates 2 are abutted with each other. The support plate 2 is gradually reduced from bottom to top.
The upper sliders of the middle pull rod 42 and the outer pull rod 41 respectively comprise an annular main body 51, the center of the annular main body 51 is communicated with the middle cavity, the lower end of the annular main body 51 is provided with a threaded section connected with the pull rods, a plurality of clamping grooves 52 are uniformly arranged on the periphery of the annular main body 51, bearing bearings 53 are arranged in the clamping grooves 52 through bearing shafts, the bearing bearings 53 are abutted with the pull rods of the inner layers, and the upper end parts of the clamping grooves 52 are provided with cover plates 54 covering the clamping grooves 52.
The bearing 53 is arranged in the clamping groove 52 and covered by the cover plate 54, the bearing 53 is protected, the clamping stagnation phenomenon of the bearing 53 caused by pollution of external pollutants on the bearing 53 is reduced, and meanwhile, the bearing 53 is convenient to disassemble, replace and maintain.
And cement bases 1 are arranged on two sides of the pull rod, a gap 11 for the pull rod to pass through is formed between the cement bases 1, and supporting beams 12 for supporting the supporting plates 2 on the outer pull rod 41 are arranged on two sides of the upper part of the gap 11. The support beam 12 bears the weight of the tie rods and the gate.
The supporting beam 12 is connected with the cement base 1 through a supporting shaft 13, a first spring 14 is sleeved on the supporting shaft 13, one end of the first spring 14 is connected with the cement base 1, and the other end of the first spring 14 is connected with the supporting beam 12.
The cement base is characterized in that base plates 15 are arranged on two sides of a supporting beam 12 on the cement base 1, a fixing frame 16 is further arranged on the supporting beam 12, a fixing shaft 17 is arranged on the fixing frame 16, a pulley 19 abutted against the upper surface of the base plate 15 is arranged at the lower end of the fixing shaft 17 through a wheel carrier 18, a second spring 171 is arranged on the fixing shaft 17, the upper end of the second spring 171 is connected with the fixing frame 16, and the lower end of the second spring 171 is connected with the wheel carrier 18. The support beam 12 is arranged to play a role of tensile buffering.
The working principle is as follows: the inner pull rod 43, the middle pull rod 42 and the outer pull rod 41 are sequentially nested inside and outside, the inner pull rod 43 is positioned at the innermost layer, the outer pull rod 41 is positioned at the outermost layer, and the support beam of the inner pull rod extends into the long chute 44 of the outer pull rod; in the lifting process of the gate, a lifting hook of the crane is firstly connected with a stretching bracket of the innermost pull rod, the innermost pull rod is firstly lifted, and after one pull rod is lifted each time, the lifting hook of the crane is then connected with the stretching bracket of the outer pull rod, so that the outer pull rod is lifted again; in the pull rod lifting process, the supporting beam of the inner-layer pull rod moves up and down along the long sliding groove 44 on the outer-layer pull rod, meanwhile, the outer wall of the inner-layer pull rod is in contact with the bearing 53 on the outer-layer pull rod, rolling friction is formed, when the pull rod moves, the friction force is small, the phenomenon of jamming between the pull rods cannot occur, the lifting process is smooth, the stability is high, and the deviation is not prone to occurring.
Claims (7)
1. The utility model provides a gate telescopic pull rod which characterized in that: the pull rod comprises a plurality of inner and outer pull rods which are mutually nested and combined, the pull rod comprises an outer pull rod (41), a middle pull rod (42) and an inner pull rod (43), the outer pull rod (41) and the middle pull rod (42) are hollow rods, long sliding grooves (44) communicated with a middle cavity are symmetrically formed in the side portions of the outer pull rod (41) and the middle pull rod (42), the lower ends of the middle pull rod (42) and the inner pull rod (43) are respectively provided with a bearing beam (3), the bearing beam (3) is in sliding connection with the long sliding grooves (44) of the outer pull rod, and the lower end of the outer pull rod (41) is provided with a connector (45) connected with a gate.
2. The gate telescopic pull rod of claim 1, wherein: the upper end of each pull rod is connected with a supporting plate (2) through an upper pull head, and the inner supporting plate (2) is positioned above the outer supporting plate (2).
3. The gate telescopic pull rod of claim 2, wherein: the supporting plate (2) is provided with a pair of symmetrical stretching supports (21) and supporting ribs (22), the stretching supports (21) are matched and connected with a lifting hook of the crane, and the supporting ribs (22) on the supporting plates (2) adjacent to the inner layer and the outer layer are arranged up and down correspondingly.
4. The gate telescopic pull rod of claim 2, wherein: the upper pull heads of the middle pull rod (42) and the outer pull rod (41) respectively comprise an annular main body (51), the center of the annular main body (51) is communicated with the middle cavity, a thread section is arranged at the lower end of the annular main body (51), a plurality of clamping grooves (52) are uniformly formed in the periphery of the annular main body (51), bearing bearings (53) are installed in the clamping grooves (52) through bearing shafts, the bearing bearings (53) are abutted to the inner-layer pull rods, and cover plates (54) covering the clamping grooves (52) are arranged at the upper end portions of the clamping grooves (52).
5. The gate telescopic pull rod of claim 1, wherein: the two sides of the pull rod are provided with cement bases (1), a gap (11) for the pull rod to pass through is formed between the cement bases (1), and the two sides of the upper part of the gap (11) are provided with supporting beams (12) for supporting the supporting plates (2) on the outer pull rod (41).
6. The gate telescopic pull rod of claim 5, wherein: the supporting beam (12) is connected with the cement base (1) through a supporting shaft (13), a first spring (14) is sleeved on the supporting shaft (13), one end of the first spring (14) is connected with the cement base (1), and the other end of the first spring (14) is connected with the supporting beam (12).
7. The gate telescopic pull rod of claim 5, wherein: the concrete foundation is characterized in that base plates (15) are arranged on two sides of a supporting beam (12) on the concrete foundation (1), a fixing frame (16) is further arranged on the supporting beam (12), a fixing shaft (17) is arranged on the fixing frame (16), a pulley (19) abutted to the upper surface of the base plate (15) is arranged at the lower end of the fixing shaft (17) through a wheel frame (18), a second spring (171) is arranged on the fixing shaft (17), the upper end of the second spring (171) is connected with the fixing frame (16), and the lower end of the second spring (171) is connected with the wheel frame (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121603467.7U CN215629794U (en) | 2021-07-14 | 2021-07-14 | Gate telescopic pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121603467.7U CN215629794U (en) | 2021-07-14 | 2021-07-14 | Gate telescopic pull rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215629794U true CN215629794U (en) | 2022-01-25 |
Family
ID=79890045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121603467.7U Active CN215629794U (en) | 2021-07-14 | 2021-07-14 | Gate telescopic pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215629794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369832A (en) * | 2022-08-02 | 2022-11-22 | 国家电网有限公司 | Lifting system of hydropower station maintenance gate |
-
2021
- 2021-07-14 CN CN202121603467.7U patent/CN215629794U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369832A (en) * | 2022-08-02 | 2022-11-22 | 国家电网有限公司 | Lifting system of hydropower station maintenance gate |
| CN115369832B (en) * | 2022-08-02 | 2023-09-26 | 国家电网有限公司 | Lifting system for hydropower station overhaul gate |
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