CN206753608U - Rock tunnel(ling) machine joist mechanism - Google Patents
Rock tunnel(ling) machine joist mechanism Download PDFInfo
- Publication number
- CN206753608U CN206753608U CN201720555100.XU CN201720555100U CN206753608U CN 206753608 U CN206753608 U CN 206753608U CN 201720555100 U CN201720555100 U CN 201720555100U CN 206753608 U CN206753608 U CN 206753608U
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- extensible canopy
- ling
- bracket
- joist
- rock tunnel
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Abstract
The utility model belongs to tunneling equipment technical field.A kind of rock tunnel(ling) machine joist mechanism, extensible canopy on rock tunnel(ling) machine cutting units support body, the flexible actuating unit that driving extensible canopy acts are arranged on including pivot joint, are pivotally connected the lifting drive push rod being arranged in the middle part of extensible canopy between cutting units support body and the joist frame component for being arranged on extensible canopy movable end, pedestal, the bracket that is arranged on pedestal of pivot joint and the counterweight for being arranged on bracket base that the joist frame component includes being fixedly connected with extensible canopy, it is provided with two blocks on the pedestal of the bracket both sides, two blocks limitation bracket swings amplitude.Bracket of the present utility model passes through lower end itself counterweight, so as to realize the free plumbness after joist, and prevent girder steel from tumbling by the block of rotary pin shaft or so, and freely swinging in effective range can be realized, and the free plumbness in normal range of operation is not influenceed, its fault rate simple in construction is low.
Description
Technical field
The utility model belongs to tunneling equipment technical field, and in particular to a kind of rock tunnel(ling) machine joist mechanism.
Background technology
With the extensive application of domestic rock tunnel(ling) machine, in tunnel excavating process rock tunnel(ling) machine can be tunneled simultaneously and
The demand of multinomial less important work is more and more stronger, so if can realize tunnel piercing simultaneously on rock tunnel(ling) machine and set a roof beam in place same
Shi Zuoye, the operating efficiency of rock tunnel(ling) machine will be greatly improved, reduce the job costs of tunnel piercing, the joist of original development machine
Mechanism does not possess Telescopic substantially, and its joist is limited in scope, and itself does not possess elevating function, it is necessary to by tunneling machine cutting
The lifting of itself is realized in the lifting in portion, and use range is limited.
Utility model content
The purpose of this utility model is to be directed to above-mentioned problem and shortage, there is provided a kind of rock tunnel(ling) machine joist machine
Structure, its is reasonable in design, can realize and freely swing within the specific limits, and free perpendicularity, failure are ensured after lifting
Rate is low, and stability is good.
To reach above-mentioned purpose, adopted the technical scheme that：
A kind of rock tunnel(ling) machine joist mechanism, including pivot joint be arranged on extensible canopy on rock tunnel(ling) machine cutting units support body,
The lifting drive that the flexible actuating unit of driving extensible canopy action, pivot joint are arranged in the middle part of extensible canopy between cutting units support body pushes away
Bar and the joist frame component for being arranged on extensible canopy movable end, the joist frame component include the base being fixedly connected with extensible canopy
Seat, the bracket being arranged on pedestal and the counterweight for being arranged on bracket base are pivotally connected, two are provided with the pedestal of the bracket both sides
Block, two blocks limitation bracket swing amplitude.
The extensible canopy includes matching and slides the flexible inner arm being arranged and flexible outer arm.
It is provided with the cutting units support body and corresponding with extensible canopy flexibly supports pad.
The angle that swings of the bracket is 30 ° ~ 60 °.
Two groups of lifting drive push rods, two groups of lifting drive push rod difference are provided between extensible canopy and the cutting units support body
It is symmetricly set on the both sides of extensible canopy, and two groups of lifting drive push rod synchronization actions.
The flexible actuating unit is hydraulic jack, or/and flexible actuating unit includes steel wire rope, drive and elevator
Machine.
The lifting drive push rod is hydraulic jack.
The U-shaped channel-shaped in pallet top section, and pallet top is provided with arc groove.
Using above-mentioned technical proposal, acquired beneficial effect is：
For the utility model when flexible stroke is relatively short, it is that telescopic oil cylinder is flexible to realize by flexible actuating unit
Beam stretches, and when flexible stroke is relatively long, it realizes the flexible of extensible canopy by the structure type of steel wire rope and hoist engine,
Its is simple in construction, convenient maintenance, and stability is good；
Bracket of the present utility model so as to realize the free plumbness after joist, and is passed through by lower end itself counterweight
The block of rotary pin shaft or so prevents girder steel from tumbling, and can realize freely swinging in effective range, and does not influence normal
Free plumbness in working range, its fault rate simple in construction are low.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 overlooking the structure diagram.
Fig. 3 is the structural representation of joist frame component.
Fig. 4 is Fig. 3 left view structural representation.
Sequence number in figure：10 it is cutting units support body, 20 be extensible canopy, 201 be flexible actuating unit, 202 is that lifting drive pushes away
Bar, 203 for flexible inner arm, 204 are flexible outer arm, 205 are resilient support pad, 30 are joist frame component, 301 are pedestal, 302
It is counterweight for bracket, 303,304 be block, 305 is arc groove.
Embodiment
Specific embodiment of the present utility model is elaborated below in conjunction with accompanying drawing.
Referring to Fig. 1-Fig. 4, a kind of rock tunnel(ling) machine of the utility model joist mechanism, including pivot joint are arranged on tunnel piercing
Extensible canopy 20, the flexible actuating unit 201 of the driving action of extensible canopy 20, pivot joint are arranged on extensible canopy 20 on machine cutting units support body 10
Lifting drive push rod 202 between middle part and cutting units support body 10 and the joist frame component 30 for being arranged on extensible canopy movable end,
In the present embodiment, extensible canopy 20 includes matching and slides the flexible inner arm 203 and flexible outer arm 204 being arranged, lifting drive push rod 202
For hydraulic jack, when flexible stroke is relatively short, its flexible actuating unit 201 is telescopic oil cylinder to realize stretching for extensible canopy
Contracting, when flexible stroke is relatively long, it realizes stretching for extensible canopy by the structure type of steel wire rope, drive and hoist engine
Contracting, its is simple in construction, and convenient maintenance, stability is good, in the application can a kind of independent supporting flexible actuating unit therein,
Can simultaneously supporting two kinds of flexible actuating units.
Joist frame component 30 include be fixedly connected with flexible inner arm 203 pedestal 301, pivot joint be arranged on pedestal 301
Bracket 302 and the counterweight 303 for being arranged on the bottom of bracket 302, two blocks 304, two gears are provided with the pedestal of the bracket both sides
Block limitation bracket 302 swings amplitude, and the angle that swings of its bracket 302 is 30 ° ~ 60 °, the top cross-section of bracket 302
U-shaped channel-shaped, and the top of bracket 302 is provided with arc groove 305.
Bracket so as to realize the free plumbness after joist, and passes through rotation by lower end itself counterweight in the application
The block of bearing pin or so prevents girder steel from tumbling, and can realize freely swinging in effective range, and does not influence normal work
In the range of free plumbness, its fault rate simple in construction is low.
For the ease of the stable placement of static support of extensible canopy, it is provided with cutting units support body 10 and flexible outer arm 204
Corresponding resilient support pad 205；In order to improve the stability of extensible canopy lifting, between extensible canopy 20 and cutting units support body 10
Two groups of lifting drive push rods 202 are provided with, two groups of lifting drive push rods 202 are symmetrically arranged at the both sides of extensible canopy 20, and
Two groups of synchronization actions of lifting drive push rod 202.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is the present invention
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its
Equivalent defines.
Claims (8)
- A kind of 1. rock tunnel(ling) machine joist mechanism, it is characterised in that：Rock tunnel(ling) machine cutting units support body is arranged on including pivot joint Upper extensible canopy, the flexible actuating unit of driving extensible canopy action, pivot joint are arranged in the middle part of extensible canopy between cutting units support body Lifting drive push rod and the joist frame component for being arranged on extensible canopy movable end, the joist frame component include consolidating with extensible canopy Surely bracket that the pedestal that connects, pivot joint are arranged on pedestal and the counterweight for being arranged on bracket base, the pedestal of the bracket both sides On be provided with two blocks, two blocks limitation bracket swings amplitude.
- 2. rock tunnel(ling) machine according to claim 1 joist mechanism, it is characterised in that：The extensible canopy includes matching and slided The dynamic flexible inner arm being arranged and flexible outer arm.
- 3. rock tunnel(ling) machine according to claim 1 joist mechanism, it is characterised in that：Set on the cutting units support body Have and corresponding with extensible canopy flexibly support pad.
- 4. rock tunnel(ling) machine according to claim 1 joist mechanism, it is characterised in that：The angle that swings of the bracket Spend for 30 ° ~ 60 °.
- 5. rock tunnel(ling) machine according to claim 1 joist mechanism, it is characterised in that：The extensible canopy and cutting units frame Two groups of lifting drive push rods are provided between body, two groups of lifting drive push rods are symmetrically arranged at the both sides of extensible canopy, and two Group lifting drive push rod synchronization action.
- 6. rock tunnel(ling) machine according to claim 1 joist mechanism, it is characterised in that：The flexible actuating unit is liquid Compressing cylinder, or/and flexible actuating unit include steel wire rope, drive and hoist engine.
- 7. rock tunnel(ling) machine according to claim 1 joist mechanism, it is characterised in that：The lifting drive push rod is liquid Compressing cylinder.
- 8. rock tunnel(ling) machine according to claim 1 joist mechanism, it is characterised in that：The pallet top section is in U Type groove shape, and pallet top is provided with arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720555100.XU CN206753608U (en) | 2017-05-18 | 2017-05-18 | Rock tunnel(ling) machine joist mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720555100.XU CN206753608U (en) | 2017-05-18 | 2017-05-18 | Rock tunnel(ling) machine joist mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206753608U true CN206753608U (en) | 2017-12-15 |
Family
ID=60619614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720555100.XU Active CN206753608U (en) | 2017-05-18 | 2017-05-18 | Rock tunnel(ling) machine joist mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN206753608U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024530A1 (en) * | 2021-08-24 | 2023-03-02 | 三一重型装备有限公司 | Beam supporting device and heading machine |
| RU2804966C1 (en) * | 2021-08-24 | 2023-10-09 | Сани Хэви Эквипмент Ко., Лтд | Beam support device and roadheader |
-
2017
- 2017-05-18 CN CN201720555100.XU patent/CN206753608U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024530A1 (en) * | 2021-08-24 | 2023-03-02 | 三一重型装备有限公司 | Beam supporting device and heading machine |
| RU2804966C1 (en) * | 2021-08-24 | 2023-10-09 | Сани Хэви Эквипмент Ко., Лтд | Beam support device and roadheader |
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