CN113236312A - Sliding arm support and driving method thereof - Google Patents
Sliding arm support and driving method thereof Download PDFInfo
- Publication number
- CN113236312A CN113236312A CN202110591439.6A CN202110591439A CN113236312A CN 113236312 A CN113236312 A CN 113236312A CN 202110591439 A CN202110591439 A CN 202110591439A CN 113236312 A CN113236312 A CN 113236312A
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- Prior art keywords
- sliding
- pulley
- frame
- chain
- seat
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 33
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides a sliding arm support and a driving method thereof, and relates to the technical field of engineering machinery. The sliding arm support comprises a sliding frame (1), a sliding seat (2), a pulley I (4), a pulley II (5), a chain I (6), a chain II (7) and an arm support seat (8), wherein a hydraulic oil cylinder (3) is arranged at one end, close to the pulley I (4), of the sliding frame (1), the sliding seat (2) comprises a sliding seat frame (21), a pulley III (22) and a pulley IV (23), and the driving mode is that when a piston rod of the hydraulic oil cylinder (3) extends out, the sliding seat (2) is pulled by the chain I (6) to move towards the direction of the pulley II (5), and when the piston rod of the hydraulic oil cylinder (3) contracts, the sliding seat (2) is pulled by the chain II (7) to move towards the direction of the pulley I (4). The invention solves the technical problems of limited sliding space of the arm support, large mechanical energy consumption and higher manufacturing cost.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a sliding arm support and a driving method thereof.
Background
With the mechanized people changing and the implementation of automatic reduction regulations which are proposed and gradually popularized by the country in the field of engineering construction, an arch center mounting vehicle is important primary support equipment in railway and highway weak surrounding rock tunnel construction in China and gradually replaces a traditional rack vertical arch. At present, the arm support forms of the arch center mounting vehicle at home and abroad are divided into three types: 1, an arm support is fixedly arranged on an equipment chassis, and the arm support can deflect left and right through an oil cylinder, but the deflection angle is limited; 2, the arm support is fixedly arranged on the equipment chassis through a slewing bearing, and the arm support can realize 360-degree rotation; and 3, the arm support is arranged on the equipment chassis through a sliding mechanism, and the arm support can realize left-right deflection and front-back sliding. At present, the arch center mounting vehicle with the type 3 structure adopts a mode that a sliding mechanism drives a roller chain by a motor and a speed reducer, so that the mechanical energy consumption is large, and the manufacturing cost is higher. In patent CN201220010475.5, a boom connecting structure, a boom device and a boom-type engineering machine are disclosed, in which a first connecting rod and a second connecting rod connecting two hydraulic cylinders and two booms are connected in a hinged manner, and when the boom device is in a non-working state, the first connecting rod and the second connecting rod are folded together with the adjacent boom, so that the boom device has a more compact structure and can reduce the space occupation. But the hinge joint is not reliable.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a sliding arm support and a driving method thereof. The hydraulic oil cylinder is arranged to provide power output, and the movable pulley block is arranged to be used for force transmission, so that the whole mechanism is compact in arrangement, stable and reliable in operation and low in mechanical energy consumption, and the technical problems of limited sliding space of the arm support, high mechanical energy consumption and high manufacturing cost are solved.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a cantilever crane slides, includes the frame that slides, slides seat, pulley one, pulley two, chain one, chain two and cantilever crane seat, wherein:
the pulley II, the sliding frame and the pulley I are sequentially installed and fixed on an upper frame of the arch frame installation vehicle;
one end of the sliding frame, which is close to the pulley I, is provided with a hydraulic oil cylinder, and the top of the sliding frame is provided with a sliding groove;
the sliding seat is arranged in a sliding groove of the sliding frame and comprises a sliding seat frame, a third pulley and a fourth pulley;
one end of the first chain is fixed on one side, close to the hydraulic oil cylinder, of the sliding frame, and the first chain sequentially bypasses the third pulley and the first pulley and is fixed on one side, close to the hydraulic oil cylinder, of the arm support seat;
one end of the second chain is fixed on one side, away from the hydraulic oil cylinder, of the sliding frame, and the second chain is fixed on one side, away from the hydraulic oil cylinder, of the arm frame seat after sequentially passing around the fourth pulley and the second pulley.
Optionally or preferably, the hydraulic oil cylinder comprises a piston cylinder and a piston rod, wherein the piston cylinder is fixedly connected to the sliding frame, and the piston rod is hinged to the sliding seat.
Optionally or preferably, nylon sliding blocks are arranged on the left, right, upper and lower sides of the sliding seat frame, and the nylon sliding blocks are used as guides for sliding friction when the sliding seat moves left and right in the sliding frame.
Optionally or preferably, the connection ends of the first chain and the second chain and the arm support seat are adjusted by threaded screws, and the first chain and the second chain can be tensioned.
Optionally or preferably, the first pulley and the second pulley are both mounted on the upper frame through pin shafts.
Based on the technical scheme, the following technical effects can be generated:
the sliding arm support provided by the invention can be used for an arch center mounting vehicle for a tunnel. The hydraulic oil cylinder is arranged to provide power output, and the movable pulley block is arranged to transmit force, so that the acting space can be greatly saved. The invention has simple structure, easy manufacture, stable operation and high reliability, can be applied to the arch center mounting vehicle for the tunnel, can complete the operation in a limited space, and has low mechanical energy consumption. The invention solves the technical problems of limited sliding space of the arm support, large mechanical energy consumption and higher manufacturing cost.
The invention also provides a sliding arm support driving method, which is based on the sliding arm support and comprises the following implementation methods:
the hydraulic oil cylinder (3) provides power output, when a piston rod of the hydraulic oil cylinder (3) extends out, the sliding seat (2) moves towards the direction of the pulley II (5) under the action of the tension of the chain I (6), meanwhile, the sliding frame (1) moves towards the direction of the pulley I (4), and the moving distance of the arm frame seat (8) is twice the extending distance of the piston rod; when a piston rod of the hydraulic oil cylinder (3) contracts, under the action of the pulling force of the chain II (7), the sliding seat (2) moves towards the direction of the pulley I (4), meanwhile, the sliding frame (1) moves towards the direction of the pulley II (5), and the moving distance of the arm frame seat (8) is twice of the extending distance of the piston rod.
The driving method of the sliding arm support provided by the invention has the advantages that the friction force is small during sliding, the mechanical energy consumption is low, the operation is stable during driving, and the components of the equipment driven by the method are closely arranged, so that the occupied space is reduced.
Drawings
FIG. 1 is a schematic structural view (front view) of the present invention;
FIG. 2 is a schematic structural diagram of the sliding seat of the present invention;
in the figure: 1-a sliding frame, 2-a sliding seat, 3-a hydraulic oil cylinder, 4-a pulley I, 5-a pulley II, 6-a chain I, 7-a chain II, 8-an arm frame seat, 21-a sliding seat frame, 22-a pulley III and 23-a pulley IV.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
As shown in fig. 1-2:
the invention provides a sliding arm support, which comprises a sliding frame 1, a sliding seat 2, a first pulley 4, a second pulley 5, a first chain 6, a second chain 7 and an arm support seat 8, wherein:
the pulley II 5, the sliding frame 1 and the pulley I4 are sequentially installed and fixed on an upper frame of the arch center installation vehicle;
one end of the sliding frame 1, which is close to the first pulley 4, is provided with a hydraulic oil cylinder 3, and the top of the sliding frame 1 is provided with a sliding groove;
the sliding seat 2 is arranged in a sliding groove of the sliding frame 1, and the sliding seat 2 comprises a sliding seat frame 21, a pulley III 22 and a pulley IV 23;
one end of the first chain 6 is fixed on one side, close to the hydraulic oil cylinder 3, of the sliding frame 1, and is fixed on one side, close to the hydraulic oil cylinder 3, of the arm frame base 8 after sequentially passing around the third pulley 22 and the first pulley 4;
one end of the second chain 7 is fixed on one side, away from the hydraulic oil cylinder 3, of the sliding frame 1, and the second chain is fixed on one side, away from the hydraulic oil cylinder 3, of the arm frame seat 8 after sequentially passing around the fourth pulley 23 and the second pulley 5.
As an alternative or preferred embodiment, the hydraulic oil cylinder 3 comprises a piston cylinder and a piston rod, wherein the piston cylinder is fixedly connected to the sliding frame 1, and the piston rod is hinged to the sliding seat 2.
Alternatively or preferably, nylon sliders are mounted on the sliding seat frame 21 at the left, right, upper and lower sides thereof, and serve as a guide for sliding friction when the sliding seat 2 moves left and right in the sliding seat frame 1.
Alternatively or preferably, the connection ends of the first chain 6 and the second chain 7 and the arm support base 8 are adjusted by threaded screws, so that the first chain 6 and the second chain 7 can be tensioned.
Alternatively or preferably, the pulleys one 4 and two 5 are mounted on the upper frame through pin shafts.
The invention also provides a driving method of the sliding arm support, which is based on the sliding arm support and comprises the following steps:
the hydraulic oil cylinder 3 provides power output, when a piston rod of the hydraulic oil cylinder 3 extends out, the sliding seat 2 moves towards the direction of the pulley II 5 under the action of the pulling force of the chain I6, meanwhile, the sliding frame 1 moves towards the direction of the pulley I4, and the moving distance of the arm support seat 8 is twice of the extending distance of the piston rod; when a piston rod of the hydraulic oil cylinder 3 contracts, under the action of the pulling force of the second chain 7, the sliding seat 2 moves towards the direction of the first pulley 4, meanwhile, the sliding frame 1 moves towards the direction of the second pulley 5, and the moving distance of the arm support seat 8 is twice the extending distance of the piston rod.
Claims (6)
1. A kind of slipping arm support, characterized by: including sliding frame (1), sliding seat (2), pulley (4), pulley two (5), chain one (6), chain two (7) and cantilever crane seat (8), wherein:
the pulley II (5), the sliding frame (1) and the pulley I (4) are sequentially installed and fixed on an upper frame of the arch center installation vehicle;
one end of the sliding frame (1) close to the pulley I (4) is provided with a hydraulic oil cylinder (3), and the top of the sliding frame (1) is provided with a sliding groove;
the sliding seat (2) is arranged in a sliding groove of the sliding frame (1), and the sliding seat (2) comprises a sliding seat frame (21), a pulley III (22) and a pulley IV (23);
one end of the first chain (6) is fixed on one side, close to the hydraulic oil cylinder (3), of the sliding frame (1), and the first chain is fixed on one side, close to the hydraulic oil cylinder (3), of the arm frame seat (8) after sequentially passing around the third pulley (22) and the first pulley (4);
one end of the second chain (7) is fixed on one side, away from the hydraulic oil cylinder (3), of the sliding frame (1), and the second chain sequentially bypasses the fourth pulley (23) and the second pulley (5) and then is fixed on one side, away from the hydraulic oil cylinder (3), of the arm frame seat (8).
2. The sliding arm support according to claim 1, characterized in that: the hydraulic oil cylinder (3) comprises a piston cylinder and a piston rod, wherein the piston cylinder is fixedly connected to the sliding frame (1), and the piston rod is hinged to the sliding seat (2).
3. The sliding arm support according to claim 1, characterized in that: nylon sliding blocks are arranged on the left, right, upper and lower sides of the sliding seat frame (21), and when the sliding seat (2) moves left and right in the sliding frame (1), the nylon sliding blocks serve as guide of sliding friction.
4. The sliding arm support according to claim 1, characterized in that: the connecting ends of the first chain (6), the second chain (7) and the arm support seat (8) are adjusted through threaded lead screws, and the first chain (6) and the second chain (7) can be tensioned.
5. The sliding arm support according to claim 1, characterized in that: the pulley I (4) and the pulley II (5) are both mounted on the upper frame through pin shafts.
6. A method for driving a sliding arm support is based on the sliding arm support as claimed in claims 1-5,
the method is characterized in that:
the hydraulic oil cylinder (3) provides power output, when a piston rod of the hydraulic oil cylinder (3) extends out, the sliding seat (2) moves towards the direction of the pulley II (5) under the action of the tension of the chain I (6), meanwhile, the sliding frame (1) moves towards the direction of the pulley I (4), and the moving distance of the arm frame seat (8) is twice the extending distance of the piston rod; when a piston rod of the hydraulic oil cylinder (3) contracts, under the action of the pulling force of the chain II (7), the sliding seat (2) moves towards the direction of the pulley I (4), meanwhile, the sliding frame (1) moves towards the direction of the pulley II (5), and the moving distance of the arm frame seat (8) is twice of the extending distance of the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110591439.6A CN113236312A (en) | 2021-05-28 | 2021-05-28 | Sliding arm support and driving method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110591439.6A CN113236312A (en) | 2021-05-28 | 2021-05-28 | Sliding arm support and driving method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113236312A true CN113236312A (en) | 2021-08-10 |
Family
ID=77135584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110591439.6A Pending CN113236312A (en) | 2021-05-28 | 2021-05-28 | Sliding arm support and driving method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113236312A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116902876A (en) * | 2023-09-13 | 2023-10-20 | 中感(安徽)矿山技术有限公司 | Multifunctional vertical lifting installation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE788257A (en) * | 1970-09-22 | 1972-12-18 | Insituform Pipes & Structures | PIPE COATING |
| CN109026084A (en) * | 2018-08-06 | 2018-12-18 | 中国铁建重工集团有限公司 | Arch installs trolley and its sliding platform |
| CN110159321A (en) * | 2019-05-14 | 2019-08-23 | 中铁工程装备集团隧道设备制造有限公司 | A kind of tunnel arch fitting machine slipping mechanism |
-
2021
- 2021-05-28 CN CN202110591439.6A patent/CN113236312A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE788257A (en) * | 1970-09-22 | 1972-12-18 | Insituform Pipes & Structures | PIPE COATING |
| CN109026084A (en) * | 2018-08-06 | 2018-12-18 | 中国铁建重工集团有限公司 | Arch installs trolley and its sliding platform |
| CN110159321A (en) * | 2019-05-14 | 2019-08-23 | 中铁工程装备集团隧道设备制造有限公司 | A kind of tunnel arch fitting machine slipping mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116902876A (en) * | 2023-09-13 | 2023-10-20 | 中感(安徽)矿山技术有限公司 | Multifunctional vertical lifting installation device |
| CN116902876B (en) * | 2023-09-13 | 2023-12-08 | 中感(安徽)矿山技术有限公司 | Multifunctional vertical lifting installation device |
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