CN1693632A - Vehicle-mounted multifunctional concrete construction equipment - Google Patents
Vehicle-mounted multifunctional concrete construction equipment Download PDFInfo
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- CN1693632A CN1693632A CN 200510040221 CN200510040221A CN1693632A CN 1693632 A CN1693632 A CN 1693632A CN 200510040221 CN200510040221 CN 200510040221 CN 200510040221 A CN200510040221 A CN 200510040221A CN 1693632 A CN1693632 A CN 1693632A
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- 238000010276 construction Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000005086 pumping Methods 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims description 32
- 239000002994 raw material Substances 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 230000008439 repair process Effects 0.000 description 10
- 238000005507 spraying Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
Description
技术领域technical field
本发明涉及一种混凝土施工设备，特别是一种车载式多功能混凝土施工设备，主要适用于某些工程抢修(尤其是某些军事工程抢修)施工中的喷射支护与少量混凝土浇注。The invention relates to a concrete construction equipment, in particular to a vehicle-mounted multifunctional concrete construction equipment, which is mainly suitable for spray support and a small amount of concrete pouring in the construction of some emergency repairs (especially some military engineering emergency repairs).
背景技术Background technique
水泥混凝土施工设备常规品种有混凝土搅拌机(以下简称搅拌机)、混凝土搅拌输送车(以下简称搅拌输送车)、混凝土输送泵(以下简称输送泵)、混凝土喷射机等(以下简称喷射机)。上述各种设备功能分工明确，即搅拌机生产混凝土，搅拌输送车运送混凝土，输送泵将混凝土泵送到浇注面，喷射机将混凝土喷射到喷砌面。Conventional types of cement concrete construction equipment include concrete mixers (hereinafter referred to as mixers), concrete mixer trucks (hereinafter referred to as mixer trucks), concrete delivery pumps (hereinafter referred to as delivery pumps), concrete sprayers, etc. (hereinafter referred to as sprayers). The functions of the above-mentioned equipment are clearly divided, that is, the mixer produces concrete, the mixer truck transports the concrete, the delivery pump pumps the concrete to the pouring surface, and the sprayer sprays the concrete to the sprayed surface.
输送泵一般采用S管形摆阀结构，料斗内设有二次搅拌装置；其工作特点是以橡胶活塞将混凝土通过管路挤压出去，具有泵送距离长的特点。The conveying pump generally adopts S-tube pendulum valve structure, and the hopper is equipped with a secondary stirring device; its working feature is that the rubber piston squeezes the concrete out through the pipeline, and has the characteristics of long pumping distance.
喷射机一般为气送式，即将压缩空气通入喷射机配气机构内，将混凝土以稀薄流形式沿管路吹送出去。气送式喷射机主要缺点输送距离短(一般不超过30米)；实用新型专利ZL00235151.X“湿式泵送混凝土喷射设备”公开一种解决方案，即在输送泵输送管路出口连接一喷头装置，可实现泵送与喷射两种功能，喷射距离可延伸至50米以上，该型喷射机称为泵送型喷射机。The jetting machine is generally of the pneumatic type, that is, the compressed air is passed into the gas distribution mechanism of the jetting machine, and the concrete is blown out along the pipeline in the form of a thin flow. The main disadvantage of the air-supply spraying machine is that the conveying distance is short (generally no more than 30 meters); the utility model patent ZL00235151.X "wet pumping concrete spraying equipment" discloses a solution, that is, a nozzle device is connected to the outlet of the conveying pump conveying pipeline , can realize two functions of pumping and spraying, and the spraying distance can be extended to more than 50 meters. This type of jetting machine is called pumping jetting machine.
喷射机一般为拖行式，工地转移不够方便；实用新型专利号为ZL01240475.6的“自行式混凝土喷射机”公开了一种解决方案，即将喷射机(气送式)安装在汽车底盘上，实现工地转移快捷，但其料斗安装伸出汽车尾部且明显低于汽车大梁上平面，不能满足正常越野行驶要求。The sprayer is generally towed type, and the site transfer is not convenient enough; the utility model patent No. ZL01240475.6 "self-propelled concrete sprayer" discloses a solution, which is to install the sprayer (pneumatic type) on the chassis of the car, The construction site transfer is quick and easy, but the hopper installation protrudes from the rear of the car and is obviously lower than the upper plane of the car frame, which cannot meet the requirements of normal off-road driving.
上述喷射机均不带搅拌机功能，对于某些工程抢修，尤其是某些军事工程抢修施工，难以满足需求；该类工程抢修施工需要泵送与喷射混凝土，其工程特点是：交通偏远、路况很差、场地狭小、抢修时间紧急。None of the above-mentioned jetting machines has the function of a mixer, and it is difficult to meet the demand for some emergency repairs of some projects, especially some military projects; Poor, small site, emergency repair time.
上述工程特点要求将搅拌机、压缩空气装置与泵送型喷射机集成安装与一中小型底盘上，能实现全速越野行驶，并在到达现场后短时间准备即能开始工作。The above-mentioned engineering characteristics require that the mixer, compressed air device and pumping jet machine be integrated and installed on a small and medium-sized chassis, which can realize full-speed off-road driving, and can start working after a short time of preparation at the site.
实现上述要求存在如下困难：1)其搅拌机原料提升机构空间尺寸大，车载行驶安装不便；2)由于搅拌机原料提升机构须安装在底盘侧面，因此搅拌机侧置对整车重心布置带来困难；3)整车重量需大幅压缩：4)由于工作装置动力源取自底盘，因此需有效减少工作装置动力需求；5)由于工作装置多，操作复杂化。There are the following difficulties in realizing the above requirements: 1) The raw material lifting mechanism of the mixer has a large space size, and it is inconvenient to install on the vehicle; 2) Since the raw material lifting mechanism of the mixer must be installed on the side of the chassis, it is difficult to arrange the center of gravity of the vehicle when the mixer is placed on the side; 3 ) The weight of the whole vehicle needs to be greatly reduced: 4) Since the power source of the working device is taken from the chassis, it is necessary to effectively reduce the power demand of the working device; 5) Due to the large number of working devices, the operation is complicated.
发明内容Contents of the invention
为了弥补现有技术中混凝土施工设备的不足，本发明提供一种车载式多功能混凝土施工设备，该设备要解决的问题是为满足某些工程抢修施工(尤其是某些军事工程抢修)要求，具体说该设备应具有下述特点：In order to make up for the deficiency of concrete construction equipment in the prior art, the present invention provides a vehicle-mounted multifunctional concrete construction equipment. The problem to be solved by this equipment is to meet the requirements of some emergency repair constructions (especially some military engineering emergency repairs), Specifically, the device should have the following characteristics:
1)集搅拌机、输送泵、喷射机等多种相关功能于一车；1) Integrating various related functions such as mixer, conveying pump, jet machine, etc. into one vehicle;
2)重量轻，体积小，重心合理，离去角大，抗震动，适应中小型车载越野行驶；2) Light weight, small size, reasonable center of gravity, large departure angle, anti-vibration, suitable for off-road driving of small and medium-sized vehicles;
3)消耗功率小，从底盘取力即满足动力需求；3) The power consumption is small, and the power demand can be met by taking power from the chassis;
4)施工准备简短，操作简明。4) The construction preparation is short and the operation is simple.
上述发明目的是这样实现的：一种车载式多功能混凝土施工设备，安装在汽车底盘上，汽车底盘上安装有泵送型喷射机的泵送机构、喷射枪与速凝剂装置以及压缩空气装置；其特征在于：1)汽车底盘上还安装有搅拌机，包括其原料提升机构、搅拌机构、液压动力装置与电控装置；2)设有与汽车发动机联结的380V发电机，所述的液压动力装置、压缩空气装置等的电机与发电机电路连接；3)所述的原料提升机构采用可折叠式导轨，工作时导轨下折段从车厢侧面伸出，上折段从车厢天窗伸出；行使时将导轨下折段折叠上翻以拉杆锁住，将导轨上折段撑杆放下，从而保证车载通过性要求；4)搅拌筒横跨安装在泵送机构上方并且搅拌筒轴线与泵送机构推送油缸垂直，使整车重心得到有效整合；5)所述的泵送型喷射机的料斗直接安装搅拌筒卸料口下方而使搅拌筒出料直接卸入喷射机料斗内。该设备将混凝土的原料提升、搅拌、泵送、喷射、等相关功能有机集成在一起，安装在越野车底盘上，从而能够实现在无其它配套设备的情况下独立完成混凝土搅拌、泵送、喷射施工。The purpose of the above-mentioned invention is achieved in this way: a vehicle-mounted multifunctional concrete construction equipment is installed on the chassis of the automobile, and the pumping mechanism of the pumping type jet machine, the spray gun, the accelerator device and the compressed air device are installed on the chassis of the automobile. It is characterized in that: 1) a mixer is also installed on the chassis of the car, including its raw material lifting mechanism, stirring mechanism, hydraulic power unit and electric control device; 2) a 380V generator connected with the car engine is provided, and the hydraulic power The motors of the device, the compressed air device, etc. are connected to the generator circuit; 3) the material lifting mechanism adopts a foldable guide rail, and the lower folded section of the guide rail stretches out from the side of the carriage during work, and the upper folded section stretches out from the skylight of the carriage; Fold the lower folded section of the guide rail up and lock it with the pull rod, and put down the support rod of the upper folded section of the guide rail to ensure the vehicle passability requirements; 4) The mixing drum is installed across the pumping mechanism and the axis of the mixing drum is in line with the pumping mechanism The push oil cylinder is vertical, so that the center of gravity of the whole vehicle is effectively integrated; 5) The hopper of the pumping type jet machine is directly installed under the discharge port of the mixing drum so that the output of the mixing drum is directly discharged into the jet machine hopper. The equipment organically integrates concrete raw material lifting, mixing, pumping, spraying, and other related functions, and is installed on the chassis of an off-road vehicle, so that concrete mixing, pumping, and spraying can be independently completed without other supporting equipment. construction.
以上所述的技术方案可以在多方面作出进一步的改进，优化改进方案有：The technical scheme described above can be further improved in many aspects, and the optimized improvement scheme has:
1、汽车底盘上还设有供水泵与折叠水囊；附带供水泵与折叠水囊可从工地附近水源向水囊输水，以供本设备搅拌混凝土。1. There is also a water supply pump and a folding water bag on the chassis of the car; the attached water supply pump and folding water bag can deliver water from the water source near the construction site to the water bag for the equipment to mix concrete.
2、所述的汽车底盘采用越野车底盘。2. The chassis of the car adopts an off-road vehicle chassis.
3、所述设备的原料提升、搅拌、卸料、泵送等动作均采用液压驱动，且共用一套液压动力装置，液压动力装置采用一个电机与一个双联齿轮泵。3. The raw material lifting, mixing, unloading, pumping and other actions of the equipment are all driven by hydraulic pressure, and share a set of hydraulic power device. The hydraulic power device uses a motor and a double gear pump.
4、所述的原料提升机构导轨与地面之间采用可调式支承。4. An adjustable support is used between the guide rail of the raw material lifting mechanism and the ground.
5、所述的搅拌机构采用单卧轴强制搅拌型式，以倾翻搅拌筒方式实现卸料；设置搅拌筒复位传感器，防止在搅拌桶倾翻卸料后未复位状态下提料斗向搅拌筒装卸原材料。5. The mixing mechanism adopts a single-horizontal shaft forced stirring type, and realizes unloading by tilting the mixing drum; a reset sensor for the mixing drum is set to prevent the lifting hopper from loading and unloading the mixing drum in the unreset state after the mixing drum is tilted and unloaded raw materials.
6、所述搅拌机构的搅拌筒，采用高强度钢板卷制。6. The mixing drum of the stirring mechanism is made of high-strength steel plate.
搅拌筒采用高强度钢板卷制以后，其内壁可以不装传统的耐磨衬板，从而大幅减轻重量(也可以采用仍然装设耐磨衬板的方案)。After the mixing drum is rolled with high-strength steel plate, the traditional wear-resistant liner may not be installed on the inner wall, so as to greatly reduce the weight (the solution of still installing the wear-resistant liner can also be adopted).
7、所述设备配带混凝土输送胶管，行驶时安装在车厢底板的专用箱体内。进一步改进，该混凝土输送管路采用分段胶管以便于车载，各段胶管端部预埋连接环，以快换卡箍连接。7. The equipment is equipped with a concrete conveying hose, which is installed in a special box on the floor of the carriage when driving. As a further improvement, the concrete conveying pipeline adopts segmented rubber hoses to facilitate the vehicle, and the connecting rings are pre-embedded at the ends of each segment of the rubber hoses, and are connected by quick-change clamps.
8、所述的压缩空气装置采用螺杆式空压机，配50～60米空气胶管，空气胶管以自动卷盘卷绕。8. The compressed air device adopts a screw air compressor, equipped with a 50-60-meter air hose, and the air hose is wound by an automatic reel.
9、所述的速凝剂装置采用塑料壳体的隔膜式计量泵输送液态速凝剂，配带50米输送胶管，胶管以自动卷盘卷绕，胶管末端带单向阀以防止空气倒灌。9. The quick-setting agent device uses a diaphragm-type metering pump with a plastic shell to transport the liquid quick-setting agent, and is equipped with a 50-meter delivery hose, which is wound by an automatic reel. The end of the hose is equipped with a one-way valve to prevent air backflow.
10、所述的电控装置采用可编程控制器，原料提升、搅拌、卸料、泵送与喷射等动作均通过可编程控制器控制，可按设定程序自动运行，实现操作自动化。10. The electric control device adopts a programmable controller. Raw material lifting, stirring, unloading, pumping and spraying are all controlled by the programmable controller, which can automatically run according to the set program to realize automatic operation.
11、该设备喷射枪进气口设置有三通快换接头，分别连接空气管路与速凝剂管路，以保证速凝剂进入喷射枪之前先与空气混合；喷射枪进气口处设置放气口，以便喷射枪喷嘴处堵塞清理时放掉残余气体，以确保安全操作。11. The air inlet of the spray gun of the equipment is equipped with a three-way quick-change joint, respectively connected to the air pipeline and the accelerator pipeline, so as to ensure that the accelerator is mixed with air before entering the spray gun; The air port is used to let off the residual gas when the nozzle of the spray gun is blocked and cleared, so as to ensure safe operation.
12、该设备将所有工作装置安置在满足军用标准的车厢内，达到越野车行使要求与军用标准的防护要求。12. The equipment places all the working devices in the compartment that meets the military standards, meeting the requirements of off-road vehicles and the protection requirements of the military standards.
本发明能够满足某些工程抢修施工的要求，尤其适用于某些军事工程抢修。该设备具有如下特点：The invention can meet the requirements of some engineering emergency repair constructions, and is especially suitable for some military engineering emergency repairs. The device has the following characteristics:
1)集搅拌机、输送泵、喷射机、灌浆泵等多种相关功能于一车；1) Integrates various related functions such as mixer, conveying pump, jet machine, grouting pump, etc. in one vehicle;
2)重量轻，体积小，重心合理，离去角大，抗震动，适应中小型车载越野行驶；2) Light weight, small size, reasonable center of gravity, large departure angle, anti-vibration, suitable for off-road driving of small and medium-sized vehicles;
3)消耗功率小，从底盘取力即满足动力需求；3) The power consumption is small, and the power demand can be met by taking power from the chassis;
4)施工准备简短，操作简明。4) The construction preparation is short and the operation is simple.
该设备车载各工作装置也可采用380V外部电源。Each working device in the vehicle of this equipment can also use 380V external power supply.
附图说明Description of drawings
图1为实施例1整体结构侧视(车厢右侧)示意图；Fig. 1 is the schematic diagram of the side view (the right side of the compartment) of the overall structure of Embodiment 1;
图2实施例1整体结构后视(车厢后侧)示意图；Figure 2 is a schematic diagram of the rear view (rear side of the compartment) of the overall structure of Embodiment 1;
图3为现有技术动力系统传递图；Fig. 3 is a prior art power system transfer diagram;
图4为本发明动力系统传递图；Fig. 4 is a transmission diagram of the power system of the present invention;
图5为现有技术搅拌机与提升机构结构示意图；Fig. 5 is the structure schematic diagram of prior art mixer and lifting mechanism;
图6为本发明搅拌机构与原料提升机构工作状态结构示意图；Fig. 6 is a schematic structural diagram of the working state of the stirring mechanism and the raw material lifting mechanism of the present invention;
图7为本发明搅拌机构与原料提升机构行驶状态结构示意图。Fig. 7 is a schematic structural diagram of the driving state of the stirring mechanism and the raw material lifting mechanism of the present invention.
具体实施方式Detailed ways
实施例1，车载式多功能混凝土施工设备，参照图1与图2，搅拌机构1、原料提升机构2、车厢3、汽车底盘4、发电机5、压缩空气装置6、液压动力装置7、速凝剂装置8、电控装置9、泵送机构10、供水泵与折叠水囊11、输送管路12、喷射枪13等，均安装在汽车底盘上。汽车底盘采用载重3.5吨越野车底盘，配套35KW发电机；压缩空气装置采用15KW电机；液压动力系统采用11KW电机驱动双联齿轮泵。Embodiment 1, vehicle-mounted multifunctional concrete construction equipment, referring to Figure 1 and Figure 2, mixing mechanism 1, raw material lifting mechanism 2, carriage 3, automobile chassis 4, generator 5, compressed air device 6, hydraulic power device 7, speed Coagulant device 8, electric control device 9, pumping mechanism 10, water supply pump and folding water bag 11, delivery pipeline 12, spray gun 13 etc. are all installed on the automobile chassis. The chassis of the car adopts an off-road vehicle chassis with a load of 3.5 tons, and it is equipped with a 35KW generator; the compressed air device uses a 15KW motor; the hydraulic power system uses a 11KW motor to drive a double gear pump.
将混凝土的原料提升、搅拌、泵送、喷射与灌浆等功能有机集成在一起，安装在越野车底盘上，从而能够实现在不需外部提供混凝土的情况下独立完成混凝土泵送与喷射施工。The functions of concrete raw material lifting, mixing, pumping, spraying and grouting are organically integrated, and installed on the chassis of the off-road vehicle, so that the concrete pumping and spraying construction can be independently completed without the need for external concrete supply.
基本工作过程是：向原料提升机构之提料斗内加装规定配比的原料；提升机构将提料斗沿导轨提升至搅拌筒上方并倒入搅拌筒内；搅拌轮转动搅拌；适时添加适量的水与外加剂并搅拌均匀后，搅拌筒倾翻将混凝土卸入泵送机构的料斗内；泵送机构将混凝土通过管路输送到浇注点；若需喷射施工则将喷射枪接入混凝土管路末端，将压缩空气通入喷射枪将混凝土喷射出去；上述动作在可编程控制器控制下，均可自动进行。The basic working process is: add raw materials with a specified ratio to the hopper of the raw material lifting mechanism; the lifting mechanism lifts the hopper to the top of the mixing drum along the guide rail and pours it into the mixing drum; the stirring wheel rotates and stirs; After mixing with the admixture evenly, the mixing drum tilts to discharge the concrete into the hopper of the pumping mechanism; the pumping mechanism transports the concrete to the pouring point through the pipeline; if spraying construction is required, connect the spray gun to the end of the concrete pipeline , the compressed air is passed into the spray gun to spray the concrete; the above actions can be carried out automatically under the control of the programmable controller.
本发明设备到达现场后，需作如下施工准备工作：1)打开车厢门与天窗；2)打开折叠水囊，以供水泵从附近水源向水囊泵水；3)将混凝土胶管抽出布置，以快换卡箍将各段胶管连接；4)将空气胶管与速凝剂胶管从自动卷盘上拉出，接到喷射枪的快换接头上；5)将提升机构导轨上折段撑起并销住，将导轨下折段放下并销住，根据地面高度调节可调支承；上述几项工作准备完毕，即可开始混凝土作业。After the equipment of the present invention arrives at the site, the following construction preparations need to be done: 1) open the compartment door and the skylight; The quick-change clamps connect each section of hose; 4) Pull the air hose and quick-setting agent hose out of the automatic reel, and connect them to the quick-change joint of the spray gun; 5) Support the upper folded section of the guide rail of the lifting mechanism and Pin it, put down the lower folded section of the guide rail and pin it, and adjust the adjustable support according to the height of the ground; after the above-mentioned preparations are completed, the concrete work can be started.
参照图3，现有技术的提升机构、搅拌机构、喷射机与速凝剂装置均采用机械传动，即电机通过变速箱将动力传递给各动作执行元件，其缺点是：重量体积大、过载保护困难、不便操作自动化。Referring to Figure 3, the lifting mechanism, stirring mechanism, injection machine and accelerator device of the prior art all adopt mechanical transmission, that is, the motor transmits power to each action actuator through the gearbox, and its disadvantages are: large weight and volume, overload protection Difficult and inconvenient to operate automation.
参照图4，本发明的动力系统均不采用变速箱传动，提升、搅拌、卸料、泵送均采用液压传动，提升、搅拌、卸料共用一个油泵A，油泵A与油泵B共用一个主电机，使重量体积大幅减小，过载保护简单，为实现操作自动化提供基础。Referring to Fig. 4, the power system of the present invention does not use gearbox transmission, and hydraulic transmission is used for lifting, stirring, unloading, and pumping. Lifting, stirring, and unloading share one oil pump A, and oil pump A and oil pump B share one main motor , so that the weight and volume are greatly reduced, and the overload protection is simple, which provides the basis for realizing operation automation.
参照图5，现有技术的提升机构导轨1均与搅拌筒2轴线垂直，无法满足车载布置要求；提升机构导轨在整个长度方向为刚性连接而不可折叠，导轨下端与地面之间无可调式支承，因而无法实现车载抢修施工准备的快速性要求。Referring to Fig. 5, the guide rail 1 of the lifting mechanism in the prior art is perpendicular to the axis of the mixing drum 2, which cannot meet the vehicle layout requirements; the guide rail of the lifting mechanism is rigidly connected in the entire length direction and cannot be folded, and there is no adjustable support between the lower end of the guide rail and the ground , thus the rapidity requirement of construction preparation for vehicle-mounted emergency repair cannot be realized.
参照图6与图7，本发明的提升机构导轨1与搅拌筒2轴向不垂直，而与搅拌筒水平径线垂直，使搅拌筒轴线与泵送机构推送油缸垂直，从而可以横跨安装在泵送机构上方，使整车重心与空间布置的难题得以解决。提升机构导轨可折叠，导轨下端与地面之间设置可调式支承3，因而可满足抢修施工准备的快速性要求；行使时将导轨下折段4折叠上翻以拉杆锁住，将导轨上折段1撑杆放下销住，从而保证车载通过性要求。Referring to Figure 6 and Figure 7, the guide rail 1 of the lifting mechanism of the present invention is not perpendicular to the axial direction of the mixing drum 2, but perpendicular to the horizontal diameter of the mixing drum, so that the axis of the mixing drum is perpendicular to the pushing cylinder of the pumping mechanism, so that it can be installed across the Above the pumping mechanism, the problem of the center of gravity and space layout of the vehicle can be solved. The guide rail of the lifting mechanism can be folded, and an adjustable support 3 is set between the lower end of the guide rail and the ground, so that it can meet the rapidity requirements for emergency repair construction preparation; when in motion, fold the lower folded section 4 of the guide rail up and lock it with the pull rod, and lock the upper folded section of the guide rail 1. The struts are put down and pinned to ensure vehicle passability requirements.
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| CN2813774Y (en) * | 2005-05-25 | 2006-09-06 | 中国人民解放军后勤工程学院 | Vehicular multifunction concrete construction equipment |
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Address after: 79 zip code of Yuzhou Road, Chongqing: 400041 Co-patentee after: Xuzhou Handler Special Vehicle Co., Ltd. Patentee after: Logistical Engineering University of PLA Address before: 79 zip code of Yuzhou Road, Chongqing: 400041 Co-patentee before: Xuzhou Highranger Construction Machinery Co., Ltd. Patentee before: Logistical Engineering University of PLA |
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