CN113236312B - Sliding arm support and driving method thereof - Google Patents
Sliding arm support and driving method thereof Download PDFInfo
- Publication number
- CN113236312B CN113236312B CN202110591439.6A CN202110591439A CN113236312B CN 113236312 B CN113236312 B CN 113236312B CN 202110591439 A CN202110591439 A CN 202110591439A CN 113236312 B CN113236312 B CN 113236312B
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- China
- Prior art keywords
- sliding
- pulley
- frame
- chain
- seat
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 25
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 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
- 238000009434 installation Methods 0.000 description 2
- 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
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
-
- 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
Landscapes
- 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 the sliding frame (1) is arranged at one end, close to the pulley I (4), of the sliding frame, a hydraulic oil cylinder (3) is arranged, the sliding seat (2) comprises a sliding seat frame (21), a pulley III (22) and a pulley IV (23), the driving mode is that when a piston rod of the hydraulic oil cylinder (3) stretches out, the chain I (6) pulls the sliding seat (2) to move towards the direction where the pulley II (5) is located, and when the piston rod of the hydraulic oil cylinder (3) contracts, the chain II (7) pulls the sliding seat (2) to move towards the direction where the pulley I (4) is located. The invention solves the technical problems of limited sliding space of the arm support, high 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
Along with the mechanized replacement of people proposed and gradually popularized in the field of engineering construction by China, the implementation of automatic personnel reduction regulations is carried out, and in the construction of railway and highway weak surrounding rock tunnels in China, an arch frame mounting vehicle is important primary support equipment and gradually replaces the traditional stand vertical arch. The arm support forms of the arch frame mounting vehicles at home and abroad at present are divided into three types: 1, a cantilever crane is fixedly arranged on an equipment chassis, and the cantilever crane 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 slewing; and 3, the arm support is arranged on the equipment chassis through a sliding mechanism, and the arm support can deflect left and right and slide back and forth. At present, the arch centering installation vehicle in the 3 rd type structural form adopts a mode of driving a roller chain by a motor and a speed reducer, so that the mechanical energy consumption is high, and the manufacturing cost is high. In the cantilever crane connecting structure, a first connecting rod and a second connecting rod for connecting two hydraulic cylinders and two cantilever cranes are connected in a hinged mode, and when the cantilever crane device is in a non-working state, the first connecting rod and the second connecting rod are mutually folded along with the adjacent cantilever cranes, so that the cantilever crane device structure is more compact, and the occupation of space can be reduced. But the articulation is not reliable enough.
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 transmit force, 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 boom sliding space, high mechanical energy consumption and high manufacturing cost are solved.
The aim of the invention is achieved by the following technical scheme:
The utility model provides a slide arm support, includes slide frame, slide seat, pulley one, pulley two, chain one, chain two and arm frame seat, wherein:
the second pulley, the sliding frame and the first pulley are sequentially arranged and fixed on an upper frame of the arch frame mounting vehicle;
the sliding frame is provided with a hydraulic cylinder at one end close to the pulley I, and a sliding groove is formed in the top of the sliding frame;
The sliding seat is arranged in a sliding groove of the sliding frame and comprises a sliding seat frame, a pulley III and a pulley IV;
one end of the first chain is fixed on one side of the sliding frame, which is close to the hydraulic oil cylinder, and the first chain is fixed on one side of the arm frame seat, which is close to the hydraulic oil cylinder, after the first chain and the third chain are sequentially wound around the pulley;
one end of the second chain is fixed on one side, far away from the hydraulic oil cylinder, of the sliding frame, and the second chain is fixed on one side, far away from the hydraulic oil cylinder, of the arm frame seat after bypassing the fourth pulley and the second pulley in sequence.
Optionally or preferably, the hydraulic 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 with the sliding seat.
Alternatively or preferably, nylon sliding blocks are arranged on the left and right sides and the upper and lower sides of the sliding seat frame, and serve as a guide for sliding friction when the sliding seat moves left and right in the sliding frame.
Optionally or preferably, the connecting ends of the first chain and the second chain and the arm frame seat are threaded screw rods for adjustment, and the first chain and the second chain can be tensioned.
Optionally or preferably, the pulley one and the pulley two are both mounted on the upper frame through a pin shaft.
Based on the technical scheme, the following technical effects can be produced:
The sliding arm support provided by the invention can be used for an arch frame mounting vehicle for a tunnel. According to the invention, 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, is applied to the arch frame mounting vehicle for the tunnel, can finish 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, high mechanical energy consumption and higher manufacturing cost.
The invention also provides a sliding arm support driving method based on the sliding arm support, which comprises the following implementation methods:
when a piston rod of the hydraulic oil cylinder (3) stretches 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), and meanwhile, the sliding frame (1) moves towards the direction of the pulley I (4), and the moving distance of the arm support seat (8) is twice the stretching distance of the piston rod; when the piston rod of the hydraulic oil cylinder (3) is contracted, under the action of the tension of the second chain (7), the sliding seat (2) moves towards the first pulley (4), meanwhile, the sliding frame (1) moves towards the second pulley (5), and the moving distance of the arm support seat (8) is twice the extending distance of the piston rod.
The driving method of the sliding arm support has the advantages of small friction force during sliding, low mechanical energy consumption, stable operation during driving, compact arrangement of all components of equipment driven by the method and reduction of occupied space.
Drawings
Fig. 1 is a schematic view (front view) of the structure of the present invention;
FIG. 2 is a schematic diagram of a sliding seat according to the present invention;
in the figure: the device comprises a 1-sliding frame, a 2-sliding seat, a 3-hydraulic cylinder, a 4-pulley I, a 5-pulley II, a 6-chain I, a 7-chain II, an 8-arm frame seat, a 21-sliding seat, a 22-pulley III and a 23-pulley IV.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the scope of the present 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 pulley I4, a pulley II 5, a chain I6, a chain II 7 and an arm support seat 8, wherein:
The pulley II 5, the sliding frame 1 and the pulley I4 are sequentially arranged and fixed on an upper frame of the arch centering installation vehicle;
a hydraulic oil cylinder 3 is arranged at one end of the sliding frame 1, which is close to the pulley I4, and a sliding groove is formed in the top of the sliding frame 1;
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 at one side of the sliding frame 1 close to the hydraulic oil cylinder 3, and sequentially bypasses the third pulley 22 and the first pulley 4 and then is fixed at one side of the arm frame seat 8 close to the hydraulic oil cylinder 3;
one end of the second chain 7 is fixed on one side, far away from the hydraulic oil cylinder 3, of the sliding frame 1, and the second chain is fixed on one side, far away from the hydraulic oil cylinder 3, of the arm frame seat 8 after bypassing the fourth pulley 23 and the second pulley 5 in sequence.
As an alternative or preferred embodiment, the hydraulic 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 connected with the sliding seat 2 in a hinged manner.
As an alternative or preferred embodiment, nylon sliders are mounted on the left and right and up and down of the sliding seat frame 21, and serve as guides for sliding friction when the sliding seat 2 moves left and right in the sliding frame 1.
As an alternative or preferred embodiment, the connection ends of the first chain 6 and the second chain 7 with the arm rest 8 are screw threaded screw rods for adjustment, so that the first chain 6 and the second chain 7 can be tensioned.
As an alternative or preferred embodiment, the pulley one 4 and the pulley two 5 are both mounted on the upper frame through a pin.
The invention also provides a sliding arm support driving method based on the sliding arm support, which comprises the following steps:
when the piston rod of the hydraulic oil cylinder 3 stretches out, the sliding seat 2 moves towards the direction of the pulley II 5 under the action of the tension 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 the stretching distance of the piston rod; when the piston rod of the hydraulic oil cylinder 3 is contracted, the sliding seat 2 moves towards the direction of the pulley I4 under the action of the pulling force of the chain II 7, meanwhile, the sliding frame 1 moves towards the direction of the pulley II 5, and the moving distance of the arm support seat 8 is twice the extending distance of the piston rod.
Claims (2)
1. The utility model provides a slide arm support which characterized in that: including slide frame (1), slide seat (2), pulley one (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 arranged and fixed on an upper frame of the arch frame mounting vehicle;
A hydraulic oil cylinder (3) is arranged at one end, close to the pulley I (4), of the sliding frame (1), and a sliding groove is formed in the top of the sliding frame (1);
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 at one side of the sliding frame (1) close to the hydraulic oil cylinder (3), and sequentially bypasses the third pulley (22) and the first pulley (4) and then is fixed at one side of the arm frame seat (8) close to the hydraulic oil cylinder (3);
one end of the second chain (7) is fixed on one side, far away from the hydraulic oil cylinder (3), of the sliding frame (1), and the second chain is fixed on one side, far away from the hydraulic oil cylinder (3), of the arm frame seat (8) after bypassing the fourth pulley (23) and the second pulley (5) in sequence;
the hydraulic 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 with the sliding seat (2);
Nylon sliding blocks are arranged on the left and right sides and the upper and lower sides of the sliding seat frame (21), and serve as a guide of sliding friction when the sliding seat (2) moves left and right in the sliding frame (1); the connecting ends of the first chain (6) and the second chain (7) and the arm support seat (8) are screw thread screw rods for adjustment, and the first chain (6) and the second chain (7) can be tensioned; the pulley I (4) and the pulley II (5) are both arranged on the upper frame through pin shafts.
2. A method for driving a sliding arm support, based on the sliding arm support according to claim 1, characterized in that: when a piston rod of the hydraulic oil cylinder (3) stretches 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), and meanwhile, the sliding frame (1) moves towards the direction of the pulley I (4), and the moving distance of the arm support seat (8) is twice the stretching distance of the piston rod; when the piston rod of the hydraulic oil cylinder (3) is contracted, under the action of the tension of the second chain (7), the sliding seat (2) moves towards the first pulley (4), meanwhile, the sliding frame (1) moves towards the second pulley (5), and the moving distance of the arm support seat (8) is twice the extending distance of the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110591439.6A CN113236312B (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 CN113236312B (en) | 2021-05-28 | 2021-05-28 | Sliding arm support and driving method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113236312A CN113236312A (en) | 2021-08-10 |
| CN113236312B true CN113236312B (en) | 2024-09-03 |
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ID=77135584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110591439.6A Active CN113236312B (en) | 2021-05-28 | 2021-05-28 | Sliding arm support and driving method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113236312B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1340068A (en) * | 1970-09-22 | 1973-12-05 | Insituform Pipes & Structures | Lining of surfaces defining passageways |
| 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 |
-
2021
- 2021-05-28 CN CN202110591439.6A patent/CN113236312B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113236312A (en) | 2021-08-10 |
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