CN210068186U - Concrete sprayer - Google Patents
Concrete sprayer Download PDFInfo
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- CN210068186U CN210068186U CN201920363205.4U CN201920363205U CN210068186U CN 210068186 U CN210068186 U CN 210068186U CN 201920363205 U CN201920363205 U CN 201920363205U CN 210068186 U CN210068186 U CN 210068186U
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Abstract
A concrete sprayer is formed by hinging a front frame and a rear frame of a chassis assembly in the middle, and an axle floating device is arranged on a front axle or a rear axle connected with the frames, so that the working condition of a rugged road surface in a construction site can be met; the power system adopts a dual-power mode of an engine pump set and a vertical motor pump set, the vertical motor pump set is arranged at one side corner of the rear frame, which is close to the front frame, and the side edge of the rear frame is also provided with an integrated air compressor set. The front frame and the rear frame of the concrete sprayer are connected in a hinged manner, so that individual requirements of customers in the mine field can be met; by adopting the arrangement form of the integrated air compressor unit structure and the vertical motor pump unit, the arrangement of the components of the whole machine can be more matched with the appearance of the chassis frame, the compactness of the equipment is greatly improved, and the overall dimension of the whole machine is reduced. The concrete sprayer has compact overall dimension, small articulated steering turning radius and wide spraying range, can meet the working requirement of the tunnel with small section size, and is particularly suitable for mine roadway construction operation.
Description
Technical Field
The utility model relates to a concrete sprayer.
Background
The traditional concrete spraying technology is a dry spraying technology or a handheld wet spraying machine, workers need to hold a spray head for operation, and the problems of large dust, high resilience and unstable concrete quality exist, so that the supporting quality cannot be guaranteed, and the operators are seriously injured due to the body. With the attention of national environmental regulations and occupational disease prevention and treatment, concrete spraying is changed from dry spraying to wet spraying, the wet spraying technology has been applied to a certain range in tunnel construction, and except some special occasions, the wet spraying technology needs to be replaced completely in the future.
At present, the wet spraying machines applied to more railway and highway tunnel construction mostly adopt an integral frame structure, have the problems of large overall dimension and overlarge turning radius, are not provided with air compressors or adopt split air compressor systems, and almost all wet spraying machines adopt horizontal pump motors to be arranged in the middle of a rear frame. Due to the arrangement design, the equipment has larger structure size and cannot be well applied to the field of tunnels with small sections and mine roadways. Therefore, a small wet spraying machine suitable for a tunnel with a small section and a mine roadway is urgently needed in the market.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a concrete sprayer suitable for small cross-section tunnel and mine tunnel etc. to the not enough of above-mentioned prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a concrete sprayer comprises a chassis assembly, a spraying arm assembly, a power system, a pumping system and a gas circuit system; the chassis assembly comprises a front frame and a rear frame, the spray arm assembly comprises a telescopic arm and a plurality of hydraulic oil cylinders mounted on the telescopic arm, the power system comprises an engine pump set, a motor pump set, a front axle and a rear axle, the pumping system comprises a pumping mechanism and a pumping oil cylinder, and the gas circuit system comprises an air compressor set; the method is characterized in that: the front frame and the rear frame are hinged through the middle; the front axle or the rear axle is provided with an axle floating device, the axle floating device consists of two swinging seats and two limiting blocks, the two swinging seats are respectively positioned outside the circular bosses at the two ends of the front axle or the rear axle, are coaxially connected with the circular bosses and are fixed on the front frame or the rear frame so that the front axle can swing around the shaft of the circular bosses relative to the front frame or the rear axle relative to the rear frame, and the two limiting blocks are respectively fixed at the bottom ends of the two ends of the front frame or the rear frame so that the front axle or the rear axle is limited by the limiting blocks when swinging; the motor-pump unit is a vertical motor-pump unit and is arranged on one side of the rear frame, which is close to the front frame; the engine pump set is connected with a plurality of hydraulic oil cylinders of the jet arm assembly and pumping oil cylinders of the pumping system so as to drive the hydraulic oil cylinders and the pumping oil cylinders of the telescopic arm to act when sudden power failure occurs or the vertical motor pump set fails; the air compressor unit is an integrated air compressor unit and is installed on the rear frame.
And an air outlet of the integrated air compressor is provided with an air volume regulating valve.
The concrete sprayer (wet spraying machine) of the utility model can realize the steering of the whole truck by swinging the front frame and the rear frame at the hinged part, and can meet the individual requirements of customers in the mine field; the front axle or the rear axle is provided with the axle floating device, so that the floating range of a certain angle is realized, and the working condition of a rugged and uneven road surface in a construction field can be met; the power system adopts a dual-power mode of an engine pump set and a vertical motor pump set, so that the relevant actions of the injection arm assembly and the pumping system can be realized through the engine pump set under the emergency condition that sudden power failure occurs on the site or the vertical motor fails to work; by adopting the arrangement form of the integrated air compressor unit and the vertical motor pump unit, the arrangement of the components of the whole machine can be more matched with the appearance of the chassis frame, the compactness of the equipment is greatly improved, and the overall dimension of the whole machine is reduced. The jet machine has compact overall dimension, small articulated steering turning radius and wide jet range, can meet the working requirement of the tunnel with small section dimension, and is particularly suitable for the construction operation of mine roadways.
Drawings
Fig. 1 is a schematic structural diagram of the injection machine of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic diagram of the axle floating device of the present invention.
Fig. 4 is a sectional view taken along line a-a of fig. 3.
Fig. 5 is a state diagram of the axle floating device in use.
In the present invention, since many structures are the prior art, some parts are not shown and marked on the drawings, but do not affect the implementation of the present invention.
Detailed Description
The utility model relates to a concrete sprayer, which is an improvement on the existing concrete sprayer (wet sprayer), and also comprises a chassis assembly, a spray arm assembly, a power system, a pumping system, an additive system, a gas circuit system, a hydraulic system, an electric control system, a cleaning system and the like; see fig. 1 and 2 in combination, wherein:
the chassis assembly 1 comprises a front frame 11, a rear frame 12, a cab 13 and supporting legs 14; the utility model discloses an improvement part lies in, changes the frame around with current into integral frame structure: the front frame 11 and the rear frame 12 are hinged through the middle part, so that the front frame and the rear frame swing through the hinged part to realize the steering of the whole vehicle;
the spray arm assembly 2 comprises a rotary seat 21, a telescopic arm 22 and a spray head 23; the rotary seat 21 is arranged in the middle of the front end of the front frame 11, and the rotary seat 21 is provided with a rotary driving device to drive the concrete sprayer to rotate within a design range; a hydraulic oil cylinder is arranged between the telescopic arm 22 and the rotary seat 21 so as to drive the telescopic arm to pitch within a design range; the telescopic arm 22 adopts a multi-section arm support structure form, and the telescopic arm is driven to realize telescopic action through a hydraulic oil cylinder arranged in the telescopic arm; the spray head 23 is connected with the telescopic arm 22, and can realize actions such as horizontal rotation, vertical rotation, small-angle brushing and the like. The designed injection range is finally achieved through the combination of the degree of freedom actions, which are all the prior art and are not described again;
the power system 3 comprises an engine-pump group 31, a motor-pump group, a front axle 33, a rear axle 34, tires 35 and the like; the engine-pump unit 31 is arranged in the middle of the rear end of the front frame 11 and mainly realizes the walking of the whole vehicle and the telescopic action of the supporting legs 14; the motor-pump set mainly realizes the action of the spray arm assembly, the work of the pumping system and the like, the structures of the parts and the connection with other parts are the same as the prior art, and the details are not repeated; the utility model discloses an improvement part lies in: the front axle 33 or the rear axle 34 is provided with an axle floating device, and the axle floating device has a certain angle floating range and can meet the working condition of a rugged road surface in a construction site; for example, referring to fig. 3-4, the axle floating device is composed of two swing seats 36 and two limit blocks 37, the two swing seats 36 are respectively located outside circular bosses 38 at two ends of the front axle 33, are coaxially connected with the circular bosses 38, and are fixed on the front frame 11, so that the front axle 33 can swing around the shaft (not shown) of the circular bosses 38 relative to the front frame 11, the two limit blocks 37 are respectively fixed at the bottom ends of the two ends of the front frame 11, and are limited by the limit blocks 37 when the front axle 33 swings, so that the swing angle range of the front axle 33 can be limited by the limit blocks 37, see fig. 5 in combination. The utility model also changes the existing motor-pump set (horizontal motor-pump set) into the vertical motor-pump set 32, and installs the vertical motor-pump set at a side angle of the rear frame 12 close to the front frame 11; meanwhile, the engine pump unit 31 is connected with the hydraulic oil cylinder of the injection arm assembly 2 and the pumping oil cylinder of the pumping system 4, and when sudden power failure occurs or the vertical motor pump unit 32 fails and cannot work in emergency, the hydraulic oil cylinder of the injection arm assembly 2 and the pumping oil cylinder of the pumping system 4 can be driven by the engine pump unit 31 to realize the relevant actions of the injection arm assembly 2 and the pumping system 4, so that a dual-power mode of the engine pump unit and the vertical motor pump unit is realized;
the pumping system 4 comprises a hopper 41 and a concrete delivery line 42; the pumping system is integrally fixed on the frame, the concrete cylinder is continuously pushed by the pumping oil cylinder, and the concrete is conveyed to the injection head 23 from the concrete conveying pipeline 42 through the swinging pipe of the hopper 41 arranged at the rear end of the rear frame 12 to realize injection; these are all prior art and are not described herein again;
the additive system 5 comprises an additive storage tank 51, a delivery pump and an additive delivery pipeline 52; an additive storage tank 51 and a delivery pump of the additive system are both arranged on the front frame 11, a medium-free protection device is arranged on an additive delivery pipeline 52, the additive system is provided with relevant electrical elements, and the self-adaption of the additive flow and the pumping injection amount can be realized through a corresponding electrical control method; these are all prior art and are not described herein again;
the air path system 6 comprises an air compressor unit and an air pipeline, the air compressor is connected with the injection head 23 through the air pipeline, and the prior art is adopted; the utility model discloses an improvement part lies in: the existing air compressor set (split air compressor set) is modified into an integrated air compressor set 61, and the integrated air compressor set 61 is arranged on the frame, in this embodiment, the rear frame 12; an air volume adjusting valve (not shown) is arranged at an air outlet (not shown) of the integrated air compressor unit 61, so that the air output of the outlet of the integrated air compressor unit can be adjusted in real time according to the pumping injection volume during working, and the optimal air volume required by working can be matched;
the cleaning system 7 is arranged on one side of the front end of the front frame 11 and is adjacent to the rotary seat 21, and comprises a water tank, a high-pressure cleaning machine, a pipe coiling device and a pipeline, which are the prior art and are not described again;
the electric control system 8 comprises an electric control cabinet 81, a cable drum 82 and the like, which are prior art and will not be described in detail herein.
Claims (2)
1. A concrete sprayer comprises a chassis assembly (1), a spray arm assembly (2), a power system (3), a pumping system (4) and a gas circuit system (6); the chassis assembly (1) comprises a front frame (11) and a rear frame (12), the injection arm assembly (2) comprises a telescopic arm (22) and a plurality of hydraulic oil cylinders arranged on the telescopic arm, the power system (3) comprises an engine pump set (31), a motor pump set, a front axle (33) and a rear axle (34), the pumping system (4) comprises a pumping mechanism and a pumping oil cylinder, and the gas circuit system (6) comprises an air compressor unit; the method is characterized in that:
the front frame (11) and the rear frame (12) are hinged through the middle;
the front axle (33) or the rear axle (34) is provided with an axle floating device, the axle floating device consists of two swinging seats (36) and two limiting blocks (37), the two swinging seats (36) are respectively positioned outside circular bosses (38) at two ends of the front axle (33) or the rear axle (34), are coaxially connected with the circular bosses (38), and are fixed on the front frame (11) or the rear frame (12) so that the front axle (33) can swing around the shafts of the circular bosses (38) relative to the front frame (11) or the rear axle (34) relative to the rear frame (12), and the two limiting blocks (37) are respectively fixed at the bottom ends of two ends of the front frame (11) or the rear frame (12) so that the front axle (33) or the rear axle (34) is limited by the limiting blocks (37) when swinging;
the motor-pump unit is a vertical motor-pump unit (32) and is arranged on one side, close to the front frame (11), of the rear frame (12); the engine pump set (31) is connected with a plurality of hydraulic oil cylinders of the injection arm assembly (2) and pumping oil cylinders of the pumping system (4) so as to drive the hydraulic oil cylinders and the pumping oil cylinders of the telescopic arm to act when the power is suddenly cut off or the vertical motor pump set (32) fails;
the air compressor unit is an integrated air compressor unit (61) and is mounted on the rear frame (12).
2. A concrete sprayer according to claim 1, characterized in that the air outlet of said integrated air compressor unit (61) is provided with an air quantity regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920363205.4U CN210068186U (en) | 2019-03-21 | 2019-03-21 | Concrete sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920363205.4U CN210068186U (en) | 2019-03-21 | 2019-03-21 | Concrete sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210068186U true CN210068186U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920363205.4U Active CN210068186U (en) | 2019-03-21 | 2019-03-21 | Concrete sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210068186U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832821A (en) * | 2021-03-04 | 2021-05-25 | 淮北市平远软岩支护工程技术有限公司 | Fracture surface supporting method based on high pressure water fault fracture zone rheological research |
| CN113586093B (en) * | 2021-08-26 | 2023-11-24 | 江西鑫通机械制造有限公司 | Mining concrete wet spraying machine |
-
2019
- 2019-03-21 CN CN201920363205.4U patent/CN210068186U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832821A (en) * | 2021-03-04 | 2021-05-25 | 淮北市平远软岩支护工程技术有限公司 | Fracture surface supporting method based on high pressure water fault fracture zone rheological research |
| CN112832821B (en) * | 2021-03-04 | 2022-07-12 | 淮北市平远软岩支护工程技术有限公司 | Fracture surface supporting method based on high pressure water fault fracture zone rheological research |
| CN113586093B (en) * | 2021-08-26 | 2023-11-24 | 江西鑫通机械制造有限公司 | Mining concrete wet spraying machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A concrete spraying machine Effective date of registration: 20230307 Granted publication date: 20200214 Pledgee: China Construction Bank Corporation Liuyang sub branch Pledgor: CHANGSHA KEDA INTELLIGENT EQUIPMENTS INCORPORATED CO. Registration number: Y2023980034336 |