CN104863618A - Small concrete sprayer - Google Patents
Small concrete sprayer Download PDFInfo
- Publication number
- CN104863618A CN104863618A CN201510319524.1A CN201510319524A CN104863618A CN 104863618 A CN104863618 A CN 104863618A CN 201510319524 A CN201510319524 A CN 201510319524A CN 104863618 A CN104863618 A CN 104863618A
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- CN
- China
- Prior art keywords
- arm
- jib
- guard shield
- small concrete
- spraying machine
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
Abstract
The invention provides a small concrete sprayer. The small concrete sprayer comprises a machine frame and a rotary telescopic arm frame assembly arranged on the machine frame, wherein the rotary telescopic arm frame assembly comprises a fixed arm and a plurality of arm frames which sleeve one another from the outside in, the inner diameters of the plurality of the arm frames are sequentially decreased, an arm frame protection device is arranged on the outer surface of the rotary telescopic arm frame assembly, the arm frame protection device comprises a plurality of protection covers which sleeve one another from the outside in, the inner diameters of the plurality of the protection covers are sequentially decreased, the plurality of the protection covers are arranged correspondingly to the plurality of the arm frames, the minimum inner diameter of each protection cover is slightly larger than the maximum inner diameter of each arm frame, the protection covers are fixed on the corresponding arm frames through U-shaped supports, the U-shaped supports are arranged at free ends of the protection covers, each outer layer protection cover correspondingly slides on the outer surface of the adjacent inner layer protection cover through a slide block, and the outer layer protection layers are not connected with the fixed arm. According to the small concrete sprayer, the arm frame protection device installed on the outer surface of a spray arm is designed, not only can the arm frames be protected, but also the slide blocks on the arm frame protection device can scrape concrete which falls on the arm frame protection device off during the work process of the arm frames, and normal work of the arm frames is effectively guaranteed.
Description
Technical field
The present invention relates to concrete ejection technical field, especially, relate to a kind of small concrete spraying machine of constructing tunnel.
Background technology
Existing spraying machine is the pumping of employing collection, sprays, walks in one, but its jib structure is collapsible more piece jib, and when causing its work, the space needed for jib launches increases, and usefully can not descend the spraying operation of minitunnel.Further, operationally, jib external surface inevitably can be infected with concrete, is then difficult to cleaning, and jib can be caused normally not stretch after concrete setting of long duration.
Summary of the invention
The object of the invention is to provide a kind of small concrete spraying machine, is difficult to technical problem clean in time to solve jib external surface.
For achieving the above object, the invention provides a kind of small concrete spraying machine, comprise vehicle frame and be located at the rotary telescopic boom frame assembly on vehicle frame, described jib assembly comprise fixed arm and comprise mutual sheathing from outside to inside, several jibs that internal diameter reduces successively, the external surface of described jib assembly is provided with jib protector;
Described jib protector comprises: several guard shields of reducing successively of mutual sheathing, internal diameter from outside to inside, correspondingly with several jibs arranges, and the minimum diameter of guard shield is slightly larger than the maximum outside diameter size of jib; Guard shield is fixed on the jib of hold-down arm by U-shaped support, and hold-down arm can be arbitrary jib; Described U-shaped support can be arranged on the free end of guard shield;
When described jib and guard shield stretch, the minimum guard shield of internal diameter is arranged on the periphery of the jib that external diameter is maximum in the jib surrounded by guard shield, and the maximum guard shield of internal diameter is arranged on the periphery of the jib that external diameter is minimum in the jib surrounded by guard shield;
Outer guard shield is slided at adjacent internal layer guard shield external surface by slide block, and described outer guard shield is other guard shields be not connected with fixed arm.
Preferably, every layer of guard shield is slided at adjacent internal layer guard shield external surface by four slide blocks.
Preferably, U-shaped support is bolted on corresponding jib external surface and guard shield medial surface.
Preferably, the length of outermost layer guard shield is greater than the length of hold-down arm.
Preferably, described jib assembly comprises four mechanical arms, is respectively by first arm of hinge on panoramic table, by second arm of hinge on the first arm, is built in the 3rd arm of the second arm, is built in the 4th arm of the 3rd arm.
Preferably, the revolving bed on described jib assembly comprises the one-level rotating disk of horizontal rotation and vertical pivotal secondary rotating disk, and between secondary rotating disk and one-level rotating disk, shape has angle.
Preferably, the scope of described angle is 60-150 °, is preferably 85-95 °.
Preferably, described U-shaped Bracket setting is at the free end of guard shield.
Preferably, the minimum diameter of described guard shield is greater than the maximum outside diameter 3-20mm of jib.
The present invention has following beneficial effect:
The present invention devises the jib protector be arranged on spray arm external surface; not only jib can be protected; and in the jib course of work, the concrete fallen on protector can scrape by the sliding shoe on protector, the normal work of available protecting jib.
Further, pumping mechanism, additive system, compressed air system, high pressure water system and lubricating system are integrated on vehicle frame by the present invention, therefore make complete machine have multiple functional feature, can meet conveniently spraying operation.Simultaneously rational deployment in design, makes complete machine under the function meeting spraying operation, reduce the volume and weight of complete machine, can meet the concrete ejection operation of underground engineering tunnel construction.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the concrete spraying machine side structure schematic diagram of the preferred embodiment of the present invention;
Fig. 2 is that face structural representation overlooked by the concrete spraying machine of the preferred embodiment of the present invention;
Fig. 3 is the jib protective device structure schematic diagram of the preferred embodiment of the present invention;
Fig. 4 is the A-A sectional plane schematic diagram of Fig. 3;
Fig. 5 is the B-B sectional plane schematic diagram of Fig. 3;
Wherein, 1, vehicle frame, 2, walking mechanism, 3, revolving bed, 4, jib assembly, 5, jib protector, 6, shower head mechanism, 7, pumping mechanism, 8, accelerating admixture system, 9, high pressure water system, 10, walking dynamical system, 11, pumping dynamical system, the 12, first guard shield, the 13, second guard shield, 14, the 3rd guard shield, the 15, the 4th guard shield, 16, slide block, 17, the first support, the 18, second support, the 19, the 3rd support.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can limit according to claim and cover is implemented.
See Fig. 3 to Fig. 5, a kind of small concrete spraying machine, the rotary telescopic boom frame assembly 4 comprising vehicle frame 1 and be located on vehicle frame 1, described jib assembly 4 comprise fixed arm and comprise mutual sheathing from outside to inside, several jibs that internal diameter reduces successively, the external surface of described jib assembly 4 is provided with jib protector 5.The jib being provided with the minimum jib protector of internal diameter is hold-down arm, and hold-down arm can be any one jib.
Several guard shields that described jib protector 5 comprises mutual sheathing from outside to inside, internal diameter reduces successively, as shown in Figure 3, comprise the first guard shield 12, second guard shield 13, the 3rd guard shield 14, the 4th guard shield 15 successively.The shape of cross section of guard shield can be circle, square or polygon.
The length of adjacent guard shield can be identical or not identical, does not affect the realization of the embodiment of the present invention.The length of guard shield changes with oil cylinder stroke, and when adjacent oil cylinder stroke length is identical, then the length of adjacent guard shield is also just identical.
Several guard shields can correspondingly with several jibs be arranged, and the minimum diameter of guard shield, slightly larger than the maximum outside diameter size of (number range slightly larger than being 3-20mm) corresponding jib, can be coated on outside whole jib.When jib and guard shield stretch, the minimum guard shield of internal diameter is arranged on the periphery of the jib that external diameter is maximum in the jib surrounded by guard shield, and the maximum guard shield of internal diameter is arranged on the periphery of the jib that external diameter is minimum in the jib surrounded by guard shield.Such as, be arranged on that internal diameter reduces successively when guard shield second and third, the outside of four arms time, the minimum guard shield of internal diameter is arranged on the periphery of the second arm, and the maximum guard shield of internal diameter is arranged on the periphery of the 4th arm.
The length of outermost layer guard shield can be greater than hold-down arm length, to be included in jib protector by jib entire infrastructure.The hold-down arm fixing this jib protector changes according to actual conditions, may be the fixed arm of jib assembly, also may be the second arm of jib assembly or less jib.
Guard shield is fixed on corresponding jib by U-shaped support.Such as, guard shield is followed successively by from the inside to the outside: the first guard shield 12, second guard shield 13, the 3rd guard shield 14, the 4th guard shield 15, jib from the inside to the outside successively: the 4th arm, the 3rd arm, the second arm and the first arm.As shown in Figure 4 and Figure 5, be connected with the first arm by the first support 17 between first guard shield 12, be connected with the second arm by the second support 18 between second guard shield 13, be connected with the 3rd arm by the 3rd support 19 between the 3rd guard shield 14, be fixedly connected with the 4th arm between the 4th guard shield 15.The upper surface of jib assembly 4 and left and right side are wrapped in a closed space by jib protector 5 completely, and described jib assembly 4 is played a good protection in the course of work.
Described U-shaped support can be arranged on the free end of guard shield, under the prerequisite not hindering adjacent guard shield to slide, connects with corresponding jib, makes guard shield follow corresponding boom frame telescopic.The U-shaped medial surface of U-shaped support is towards the installation end of guard shield, and the free end of guard shield is generally positioned near the flexible head of mechanical arm.
Outer guard shield is slided at corresponding jib external surface by slide block 16, and described outer guard shield is other guard shields be not connected with fixed arm.The guard shield be connected with the fixed arm fixing this jib protector is fixedly connected with, and without the need to sliding, but this jib can be fixed arm or travelling arm.
Slide block 16 not only can help guard shield to slide, and when guard shield moves, can also scrape the concrete on guard shield external surface in passing.
In addition, every layer of guard shield slides at corresponding jib external surface by four slide blocks.Four slide blocks can be arranged on four faces, also can arrange on opposite sides between two.
In addition, the small concrete spraying machine of the application forms primarily of vehicle frame 1, walking mechanism 2, revolving bed 3, jib 4, jib protector 5, shower head mechanism 6, pumping mechanism 7.
Described walking mechanism 2 is creeper undercarriage and is positioned at described vehicle frame 1 lower bottom part, and walking mechanism 2 is driven separately by described walking dynamical system 10, and adopts diesel engine to be power input, ensures that the hoofing part of complete machine is not by environmental limit.And described walking mechanism 2 adopts creeper undercarriage, the climbing capacity of complete machine is strong, adaptable to road environment in tunnel.
Described revolving bed 3 is positioned at described vehicle frame 1 upper surface one end, described jib assembly 4 by hinge on described revolving bed 3.Revolving bed comprises the one-level rotating disk of horizontal rotation and vertical pivotal secondary rotating disk, and between secondary rotating disk and one-level rotating disk, shape has angle.
Described jib assembly 4 can comprise four mechanical arms, and wherein the first arm is fixed arm, and its one end and revolving bed 3 are installed by hinge, its other end also by bearing pin and second arm one end hinged, the 3rd arm is built in the second arm, and the 4th arm is built in the 3rd arm.One oil cylinder is installed between the first arm and the second arm, realize the pitching motion of jib assembly 4, the one-level that one oil cylinder realizes jib assembly 4 is installed between second arm and the 3rd arm stretch, the second level that an oil cylinder realizes jib assembly 4 is installed between the 3rd arm and the 4th arm and stretches.Jib protector can follow the second arm, the 3rd arm, the 4th arm motion by slide block structure, prevents concrete in course of injection from falling into jib.
Walking mechanism and boom system all can adopt straighforward operation, easy to operate, safe and reliable.
Described shower head mechanism 6 is arranged on jib assembly 4, described shower head mechanism is provided with shower nozzle, jet nozzle, rotary actuator and rotary motor, and two motors can realize swinging up and down and left and right revolute function of shower nozzle.The bottom of jet nozzle is connected with the front end of described jib assembly, to utilize jib assembly, shower nozzle is delivered to assigned address.
Described pumping mechanism 7 and air compressing press system are positioned at vehicle frame 1 upper surface two ends, described high pressure water system 9 and accelerating admixture system 8, and walking dynamical system 10, jib assembly 4 and pumping dynamical system 11 are positioned at vehicle frame 1 upper surface centre position.
High pressure water system 9 can to the cleaning of complete machine and pumping mechanism after convenient construction, and increase work efficiency, be wherein provided with water tank, water tank is positioned at central frame beam.
Accelerating admixture system 8 comprises additive delivery device, and on vehicle frame, is provided with snap joint to facilitate external additive, eliminates additive bucket and reduces machine volume.
Pumping dynamical system 11 is made up of air compressor machine and annex thereof and pipeline, and output high-pressure gas can facilitate robot work, reduces construction plant restriction, improves its compliance.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a small concrete spraying machine, it is characterized in that, comprise vehicle frame and be located at the rotary telescopic boom frame assembly on vehicle frame, described jib assembly comprises: several jibs that fixed arm and from outside to inside mutual sheathing, internal diameter reduce successively, and the external surface of described jib assembly is provided with jib protector;
Described jib protector comprises: several guard shields of reducing successively of mutual sheathing, internal diameter from outside to inside, correspondingly with several jibs arranges, and the minimum diameter of guard shield is greater than the maximum outside diameter of jib; Guard shield is fixed on outside the jib of hold-down arm by U-shaped support and places; Hold-down arm is arbitrary jib;
When described jib and guard shield stretch, the minimum guard shield of internal diameter is arranged on the periphery of the jib that external diameter is maximum in the jib surrounded by guard shield, and the maximum guard shield of internal diameter is arranged on the periphery of the jib that external diameter is minimum in the jib surrounded by guard shield;
Outer guard shield is slided at adjacent internal layer guard shield external surface by slide block, and described outer guard shield is the guard shield be not connected with the hold-down arm of jib protector.
2. a kind of small concrete spraying machine according to claim 1, is characterized in that, every layer of guard shield is slided at adjacent internal layer guard shield external surface by four slide blocks.
3. a kind of small concrete spraying machine according to claim 1, is characterized in that, U-shaped support is bolted on corresponding jib external surface and guard shield medial surface.
4. a kind of small concrete spraying machine according to claim 1, is characterized in that, the length of outermost layer guard shield is greater than the length of hold-down arm.
5. a kind of small concrete spraying machine according to claim 1, it is characterized in that, described jib assembly comprises four mechanical arms, is respectively by first arm of hinge on panoramic table, by second arm of hinge on the first arm, is built in the 3rd arm of the second arm, is built in the 4th arm of the 3rd arm.
6. a kind of small concrete spraying machine according to any one of claim 1 to 5, is characterized in that, the revolving bed on described jib assembly comprises the one-level rotating disk of horizontal rotation and vertical pivotal secondary rotating disk, and between secondary rotating disk and one-level rotating disk, shape has angle.
7. a kind of small concrete spraying machine according to claim 6, is characterized in that, the scope of described angle is 60-150 °.
8. a kind of small concrete spraying machine according to claim 7, is characterized in that, the scope of described angle is 85-95 °.
9. a kind of small concrete spraying machine according to claim 1, is characterized in that, described U-shaped Bracket setting is at the free end of guard shield.
10. a kind of small concrete spraying machine according to claim 1, is characterized in that, the minimum diameter of described guard shield is greater than the maximum outside diameter 3-20mm of jib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510319524.1A CN104863618A (en) | 2015-06-11 | 2015-06-11 | Small concrete sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510319524.1A CN104863618A (en) | 2015-06-11 | 2015-06-11 | Small concrete sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104863618A true CN104863618A (en) | 2015-08-26 |
Family
ID=53909741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510319524.1A Pending CN104863618A (en) | 2015-06-11 | 2015-06-11 | Small concrete sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104863618A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010090541A (en) * | 2008-10-03 | 2010-04-22 | Ohbayashi Corp | Concrete spraying apparatus |
| CN202731310U (en) * | 2012-09-04 | 2013-02-13 | 湖南五新重型装备有限公司 | Extension arm structure of shotcrete machine |
| CN202755981U (en) * | 2012-08-13 | 2013-02-27 | 中联重科股份有限公司 | Retractable structure |
| CN203189035U (en) * | 2013-04-28 | 2013-09-11 | 中国铁建重工集团有限公司 | Boom of concrete spraying machine |
| CN203783596U (en) * | 2014-02-26 | 2014-08-20 | 徐州徐工施维英机械有限公司 | Shotcreting manipulator |
| CN204691788U (en) * | 2015-06-11 | 2015-10-07 | 中国铁建重工集团有限公司 | A kind of small concrete spraying machine |
-
2015
- 2015-06-11 CN CN201510319524.1A patent/CN104863618A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010090541A (en) * | 2008-10-03 | 2010-04-22 | Ohbayashi Corp | Concrete spraying apparatus |
| CN202755981U (en) * | 2012-08-13 | 2013-02-27 | 中联重科股份有限公司 | Retractable structure |
| CN202731310U (en) * | 2012-09-04 | 2013-02-13 | 湖南五新重型装备有限公司 | Extension arm structure of shotcrete machine |
| CN203189035U (en) * | 2013-04-28 | 2013-09-11 | 中国铁建重工集团有限公司 | Boom of concrete spraying machine |
| CN203783596U (en) * | 2014-02-26 | 2014-08-20 | 徐州徐工施维英机械有限公司 | Shotcreting manipulator |
| CN204691788U (en) * | 2015-06-11 | 2015-10-07 | 中国铁建重工集团有限公司 | A kind of small concrete spraying machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150826 |