CN112729943A

CN112729943A - Vehicular sampling device, automatic sampling car

Info

Publication number: CN112729943A
Application number: CN202011605593.6A
Authority: CN
Inventors: 龚伟业; 张孝亮; 张旭; 喻季红
Original assignee: Hunan Yicheng Intelligent Technology Co ltd
Current assignee: Hunan Yicheng Intelligent Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-04-30

Abstract

The invention discloses a vehicle-mounted sampling device which is used for collecting materials in a carriage and comprises a lifting arm assembly which is vertically arranged on a mobile vehicle, wherein the lifting arm assembly is provided with a transversely-arranged telescopic arm assembly, the telescopic end of the telescopic arm assembly is provided with a bucket assembly, the telescopic arm assembly is also provided with a hopper receiving assembly, the telescopic arm assembly is used for extending out and extending the bucket assembly into the carriage for sampling and then retracting the bucket assembly so that the retracted bucket assembly is positioned above the hopper receiving assembly for discharging, and the lifting arm assembly is used for driving the telescopic arm assembly to descend so that the extended bucket assembly falls on a sampling point for sampling and driving the telescopic arm assembly to ascend after sampling so that the bucket assembly retracts from the carriage to the upper part of the hopper receiving assembly. The invention also discloses an automatic sampling vehicle. The invention has the advantages of simple and compact structure, easy manufacture and maintenance, high automation degree, greatly reduced labor intensity and working cost, greatly improved labor efficiency, safety and environmental protection.

Description

Vehicular sampling device, automatic sampling car

Technical Field

The invention mainly relates to the field of coal sample sampling equipment, in particular to a vehicle-mounted sampling device and an automatic sampling vehicle.

Background

In the production process, enterprises such as harbors, power plants and mine smelting can purchase a large amount of block or powder mineral resources as production raw materials, such as commercial coal and the like. This type of bulk coal is mainly purchased in bulk by using trains or heavy trucks as transportation means.

The commercial coal sample is a coal sample representing the average quality of commercial coal, and the supplier and the demander can know the quality of the outsourced or received coal according to the test result and use the quality as the basis for settlement and quality dispute handling of the supplier and the demander, so the adoption of the commercial coal sample is the most basic link for obtaining reliable quality data. For a long time, the surface sampling of the train is carried out in a mode of manually loading the surface sampling into a sample bag through a sampling shovel, and the following technical problems exist:

firstly, operational environment is abominable, and current train surface sampling needs the workman outdoor, the solarization is drenched, exposes for a long time and operates under dust and noise environment, and operational environment is abominable, and the probability that suffers from occupational disease is also great.

Secondly, intensity of labour is big, and the operating efficiency is low: the sampling is carried out manually by adopting the traditional tool, the working efficiency is low, and the sampling labor intensity is high. And owing to need a plurality of carriages to sample in succession, also need gather many bags of samples in succession, this makes not only the process inefficiency of gathering the sample, and the process of carrying out the bagging-off to the sample after gathering also is inefficiency to the bagging-off in-process causes the raise dust easily, not only the polluted environment, makes the sample bag outside be stained with the buggy moreover, is not convenient for follow-up transportation, the development of system appearance chemical examination.

Thirdly, the sampling shovel is greatly interfered by manual work, samples are randomly sampled in a train carriage by manually taking the sampling shovel, the sampling amount is insufficient, the representativeness of the collected samples is poor due to different selections of positions, angles, depths, quality and the like of sub-sampling points, and the fairness and fairness of coal trade are influenced to a great extent.

Fourthly, the potential safety hazard is large, the sampling is carried out on a train side or a sampling vehicle, and particularly, the potential safety hazard is large when the sampling operation is carried out at night, in rainy and snowy days and in severe winter.

And fifthly, in the existing sampling operation workshops, various pipelines and facilities are arranged above some workshops, namely the space above the train carriage is narrow, so that the sampling is not convenient for people to stand on the carriage or a large-sized truss vehicle is used for sampling above the carriage. And if a large-scale train surface sampling device is adopted, the sampling device is high in cost and large in occupied space, and the operation cost of an enterprise is greatly improved.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a vehicle-mounted sampling device which has the advantages of simple and compact structure, easiness in manufacturing and maintenance, high automation degree, capability of greatly reducing labor intensity and working cost, greatly improving labor efficiency, safety and environmental friendliness, and also provides an automatic sampling vehicle.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a vehicular sampling device for gather the material in the carriage, including being used for the vertical lift arm subassembly of installing on the locomotive, be equipped with transverse arrangement's telescopic arm subassembly on the lift arm subassembly, telescopic arm subassembly's flexible end is equipped with the scraper bowl subassembly, telescopic arm subassembly is last still to be equipped with and connects the hopper subassembly, telescopic arm subassembly is used for stretching out to stretch out the scraper bowl subassembly and samples the back in extending the carriage and retract again to make the scraper bowl subassembly after the retraction be in and connect hopper subassembly top to unload, lift arm subassembly is used for driving telescopic arm subassembly to descend so that the scraper bowl subassembly after stretching out falls to sample in the sampling point and drive telescopic arm subassembly after the sampling and rise so that the scraper bowl subassembly retracts to connect hopper subassembly top from the carriage.

As a further improvement of the invention, the telescopic arm assembly comprises a large arm and a small arm, the large arm is mounted on the lifting arm assembly, the small arm is telescopically and limitedly mounted on the large arm, the bucket assembly is mounted on the small arm, a telescopic driving cylinder is arranged on the large arm along the telescopic direction, and the driving shaft end of the telescopic driving cylinder is connected with the small arm to drive the small arm to telescope on the large arm.

As a further improvement of the present invention, the bucket assembly includes a bucket, a bucket driving cylinder, a connecting rod and a rocker, the bucket is hinged to the arm, one end of the rocker is hinged to the bucket, the other end of the rocker is hinged to the connecting rod, the other end of the connecting rod is hinged to the arm, the hinged position of the rocker and the bucket is also hinged to the driving shaft end of the bucket driving cylinder, so that when the bucket driving cylinder is driven to extend and retract, the rocker and the connecting rod drive the bucket to implement digging, shoveling or discharging operation.

As a further improvement of the invention, the small arm is sleeved in the large arm in a limiting manner, a moving groove is formed in the large arm along the extending direction, a convex mounting seat is arranged in the moving groove on the small arm, and the tail end of the bucket driving cylinder is mounted on the small arm through the mounting seat.

As a further improvement of the invention, the hopper receiving assembly comprises a hopper, a mounting plate and a plurality of connecting pieces, wherein the tail end of the mounting plate is used for being fixed on the telescopic arm assembly, the head end of the mounting plate is provided with two extending mounting rod parts, the hopper is suspended below the mounting rod parts through the plurality of vertical connecting pieces, and an accommodating space is formed between the two mounting rod parts and is used for enabling the retracted bucket assembly to be located in the accommodating space above the hopper for discharging.

As a further improvement of the invention, the connecting piece is an elastic piece so as to flexibly suspend the hopper on the mounting plate.

As a further improvement of the present invention, the lifting arm assembly includes a main arm and a lifting driving cylinder, the telescopic arm assembly is hinged to the main arm through a rotating shaft, the tail end of the lifting driving cylinder is mounted to the main arm, and a driving shaft end is hinged to the telescopic arm assembly for lifting or lowering through the telescopic driving telescopic arm assembly with the rotating shaft as a fulcrum.

As a further improvement of the invention, the bottom of the lifting arm assembly is mounted on the mobile vehicle through a swing mechanism, and the swing mechanism is used for driving the lifting arm assembly to rotate so as to enable the bucket assembly to sample at different sampling points in the compartment.

As a further improvement of the invention, the device is also provided with a material receiving sealing mechanism, the material receiving sealing mechanism comprises a material receiving box and a bagging frame which are matched, the top opening part of the material receiving box is communicated with the discharge opening of the material receiving box assembly through a communicating pipe, the material receiving box is provided with a side opening part for the bagging frame to enter and then butt joint with the top opening part, the bagging frame is hollow, so that a sample bag is arranged in the bagging frame and enters and exits the material receiving box along with the bagging frame, and a sealing assembly is arranged below the top opening part in the material receiving box and used for enabling the top opening part and the sample bag to form sealing connection and then material receiving after the bagging frame enters.

As a further improvement of the present invention, the top of the bag-sleeving frame is provided with a mouth edge portion, so that the top of the sample bag installed in the bag-sleeving frame extends out of the mouth edge portion and then turns over outwards, the sealing assembly comprises a sealing plate, the sealing plate is fixed on a top plate of the material-receiving box through a plurality of elastic fixing members in a manner of being capable of being squeezed up and down, a circle of first sealing edge protruding upwards is arranged at a middle opening of the sealing plate and is used for being connected with the top opening portion, and when the bag-sleeving frame enters the material-receiving box and squeezes the sealing plate upwards, the sealing plate is pressed downwards to the mouth edge portion to form a sealing connection, so that the sample transmitted by the communicating pipe sequentially enters the sample bag through the top.

As a further improvement of the invention, each elastic fixing piece comprises a limiting rod vertically fixed on a top plate of the material receiving box downwards, the lower end of the limiting rod penetrates through the sealing plate to limit, so that the sealing plate can only move up and down along the limiting rod, and a compression spring is sleeved on the limiting rod and used for extruding the sealing plate moving upwards.

As a further improvement of the invention, more than two guide rods which are arranged upwards are also arranged on the sealing plate, more than two linear bearings which are matched with the guide rods are also arranged on the top plate of the material receiving box, and the guide rods penetrate through the top plate of the material receiving box upwards and then are connected with the linear bearings so as to limit the sealing plate which moves up and down.

As a further improvement of the invention, a circle of connecting pipe part is arranged at the top opening part and used for being connected with the communicating pipe, a circle of sealing pipe part is nested outside the connecting pipe part so as to form a circle of inserting groove part between the connecting pipe part and the sealing pipe part, the top end of the inserting groove part is sealed, and the bottom end of the inserting groove part is opened so that the first sealing edge can movably extend into the inserting groove part.

As a further improvement of the invention, the bottom of the bag sheathing frame is provided with a plurality of movable wheels, and one end of the sealing plate close to the side opening part is provided with a guide edge which is obliquely arranged upwards and is used for contacting the bag sheathing frame and forming guide when the bag sheathing frame is pushed in.

The utility model provides an automatic change sampling car, includes mobilizable automobile body, install as above arbitrary on the automobile body vehicular sampling device.

As a further improvement of the invention, the vehicle body is also provided with an operating platform and a control cabinet.

Compared with the prior art, the invention has the advantages that:

firstly, mechanical automation sampling has avoided prior art's manual station completely in the condition of train carriage surface sampling, and the workman no longer has the condition of outdoor, the rain that shines, exposes operation under dust and the noise environment for a long time, and operational environment is better, and the probability of suffering from the occupational disease is also lower. Greatly reduces the labor intensity and greatly improves the working efficiency.

Secondly, mechanical automation sampling, the factor of receiving the manual disturbance greatly reduced, and through the modes such as the removal of locomotive, the different flexible length of telescopic arm subassembly, can take the sample in a plurality of different places in the carriage, the sample volume is more. More importantly, because the different elevating height of lift arm subassembly and the different flexible length's of flexible arm subassembly matched with mode, make the scraper bowl subassembly can adapt to the not coal sample of co-altitude in the train carriage (the coal sample in the carriage is not necessarily all smooth), also the sampling (through going up and down) that the scraper bowl subassembly not only can select the different degree of depth, and mechanical sampling can gather the sample of different quality (artifical sampling because the strength is limited, can only gather shallowly, lighter sample), so the representativeness of this device collection sample is more comprehensive, subsequent test result's comprehensiveness and accuracy have been guaranteed greatly, coal trade fair and fair at to a great extent has been improved.

Thirdly, safety ring protects, and the workman no longer need walk and carry out the sampling on the train bus group or the sampling car, greatly reduced the potential safety hazard. And telescopic arm subassembly, scraper bowl subassembly, the special cooperation that connects the hopper subassembly for can be through connecing hopper subassembly and pipeline directly, quick completion sample collection after the sampling, greatly reduced the raise dust, avoid environmental pollution makes the sample bag outside can not be stained with the buggy moreover, the follow-up transportation of being convenient for extremely, the development of system appearance chemical examination.

Fourthly, the adaptability is better. In the existing sampling operation workshop, various pipelines and facilities are arranged above some workshops, namely the space above the train carriage is narrow, so that people can not stand on the carriage conveniently for sampling or a large-scale truss vehicle is used for sampling above the carriage. And if use this device, just can make the scraper bowl subassembly stretch into the carriage and accomplish the sampling and return and unload through going up and down certain height, adaptability improves greatly. The device has simple and compact structure and small occupied space, can be quickly arranged on the existing mobile vehicle bodies such as pickup trucks and the like, has low equipment cost, and greatly reduces the operation cost of enterprises.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of the vehicle-mounted sampling device in sampling according to the present invention.

Fig. 2 is a schematic diagram of the three-dimensional structure of the vehicle-mounted sampling device of the invention when the sampling device is not used for sampling.

Fig. 3 is a schematic diagram of a partial three-dimensional structure of the vehicle-mounted sampling device of the present invention.

Fig. 4 is a schematic view of a partial structure of fig. 2.

Fig. 5 is a schematic diagram of the front view structure of the vehicle-mounted sampling device in the invention during sampling.

Fig. 6 is a schematic diagram of the front view structure of the vehicle-mounted sampling device of the invention when the vehicle-mounted sampling device is not used for sampling.

FIG. 7 is a schematic perspective view of the bucket assembly of the present invention when not extended.

FIG. 8 is a schematic perspective view of the bucket assembly of the present invention as it is extended for sampling.

FIG. 9 is a schematic perspective view of the bucket assembly of the present invention as it retracts after sampling.

FIG. 10 is a schematic perspective view of the bucket assembly of the present invention discharging after retraction.

Fig. 11 is a schematic diagram of the three-dimensional structure of the receiving box of the invention.

Fig. 12 is a schematic perspective view of the bag frame according to the present invention.

Fig. 13 is a schematic front view of the bag frame of the present invention when loaded with a sample bag.

Fig. 14 is a schematic view of the partial structure of the receiving box of the invention when it is not pushed into the bag frame.

Fig. 15 is a schematic view of the partial structure of the receiving box according to the invention when it has been pushed into the sack frame.

Fig. 16 is a schematic perspective view of the seal assembly of the present invention.

The reference numerals in the figures denote:

1. a lift arm assembly; 11. a main arm; 12. a lift drive cylinder; 13. a rotating shaft; 2. a telescopic arm assembly; 21. a large arm; 211. a moving groove; 22. a small arm; 23. a telescopic driving cylinder; 3. a bucket assembly; 31. a bucket; 32. a bucket drive cylinder; 33. a connecting rod; 34. a rocker; 35. a mounting seat; 4. a receiving hopper assembly; 41. a hopper; 42. mounting a plate; 421. a tail end portion; 422. installing a rod part; 43. a connecting member; 5. a swing mechanism; 6. a material receiving sealing mechanism; 61. a material receiving box; 611. a top opening portion; 612. a side opening part; 613. a pipe receiving part; 614. a sealing tube portion; 615. a slot section; 616. a linear bearing; 62. a bagging frame; 621. a mouth edge portion; 622. a movable wheel; 63. a communicating pipe; 64. a seal assembly; 641. a sealing plate; 6411. the middle part is opened; 6412. a first sealing edge; 6413. a guide bar; 6414. a guide edge; 642. an elastic fixing member; 6421. a limiting rod; 6422. compressing the spring.

Detailed Description

The invention will be described in further detail below with reference to the drawings and specific examples.

As shown in fig. 1 to 16, the present invention provides a vehicle-mounted sampling device for collecting materials in a car, such as a railway car E shown in fig. 1, 5 and 6. Including being used for vertical installation in the lift arm subassembly 1 on the locomotive, the height of lift arm subassembly 1 is between 0.5 meters to 10 meters, and 1 bottom of lift arm subassembly is equipped with fixed subassembly in order to be used for fixed mounting on the locomotive. In the present embodiment, the vehicle is an automobile F shown in fig. 1, 5, and 6. Of course, in other embodiments, the mobile vehicle may be a rail car installed on one side of the carriage, or other vehicle body structures as long as the vehicle-mounted sampling device can be driven to move along the carriage for sampling. Be equipped with transverse arrangement's telescopic arm subassembly 2 on the lifting arm subassembly 1, telescopic arm subassembly 2's flexible end is equipped with scraper bowl subassembly 3, telescopic arm subassembly 2 is last still to be equipped with and connects hopper subassembly 4, telescopic arm subassembly 2 is used for stretching out to stretch out and extends scraper bowl subassembly 3 and withdraw after sampling in extending the carriage again, so that scraper bowl subassembly 3 after the withdrawal is located and connects hopper subassembly 4 top and unload, lifting arm subassembly 1 is used for driving telescopic arm subassembly 2 to descend so that the scraper bowl subassembly 3 after stretching out falls to put on the sampling point and samples, and drive telescopic arm subassembly 2 after the sampling and rise so that scraper bowl subassembly 3 retracts to connect hopper subassembly 4 top in following the carriage. The specific implementation principle is as follows:

as shown in fig. 1, when the mobile vehicle is driven to the vicinity of the compartment to be sampled, the lifting arm assembly 1 first drives the telescopic arm assembly 2 to ascend, so that the compartment wall does not form an obstacle to the bucket assembly 3 to be extended. Then the telescopic arm assembly 2 extends out towards the interior of the carriage and is used for extending the bucket assembly 3 to a sampling point in the carriage; then the lifting arm component 1 drives the telescopic arm component 2 to descend so that the extended bucket component 3 falls on a sampling point for sampling; after sampling the bucket assembly 3 remains hooked (as shown in fig. 9) and the lifting arm assembly 1 again lifts the telescopic arm assembly 2 so that the walls of the car do not obstruct the bucket assembly 3 to be retracted. The telescopic arm assembly 2 is then retracted and the retracted bucket assembly 3 is returned to above the hopper assembly 4 (as shown in figure 2), and the bucket assembly 3 is then turned upside down for discharge (as shown in figure 10), tilting the collected sample entirely within the hopper assembly 4 below.

When a plurality of different sampling points in the carriage need to be sampled, the following mode can be adopted, firstly, the moving vehicle is kept still, but the extending lengths of the telescopic arm assemblies 2 are different each time, and samples of a plurality of different points in the width direction in the carriage can be collected; or the moving vehicle moves forwards or backwards for a certain distance after the sampling is finished, so that the telescopic arm assembly 2 can sample a plurality of samples at different points along the length direction of the carriage; or a combination of the two approaches described above, so that samples at more different points can be collected. Or in the embodiment described below, a swing mechanism 5 is also provided, the swing mechanism 5 being used to drive the lifting arm assembly 1 to rotate so as to sample the bucket assembly 3 at different sampling points in the car.

With respect to the bucket assembly 3, after collecting samples, the samples can be bagged and collected by matching with a material receiving sealing mechanism 6 on a moving vehicle as described below, and the bucket assembly can also be directly butted with a collecting barrel and a collecting bag on the ground through a pipeline, so that the samples obliquely entering the material receiving bucket assembly 4 are bagged quickly. In the present embodiment, an operation console and a control cabinet mounted on the mobile vehicle are further provided for controlling the components such as the lifting arm assembly 1 and the telescopic arm assembly 2, but in other embodiments, a remote control operation console may be provided in a laboratory to control the components on the mobile vehicle to sample in a wireless communication manner, for example, a plurality of cameras may be further mounted on the mobile vehicle to monitor the operation conditions of the components in real time. After the collection in the carriage is finished, the movable vehicle can move forward or backward to the position near the next carriage to be collected, then the carriage is sampled according to the mode, and the working efficiency is extremely high. Through the special scientific design, the method has the following technical advantages:

Secondly, mechanical automation sampling, the factor of receiving the manual disturbance is greatly reduced, and through the modes such as the removal of locomotive, the different flexible length of telescopic arm subassembly 2, can take the sample in a plurality of different places in the carriage, the sample volume is more. More importantly, because the different elevating height of lift arm subassembly 1 and the different flexible length's of telescopic arm subassembly 2 matched mode for make scraper bowl subassembly 3 can adapt to the coal sample of the interior not co-altitude of train carriage (the coal sample in the carriage is not necessarily all smooth), also the sampling (through going up and down) that the different degree of depth not only can be selected to scraper bowl subassembly 3, and mechanical sampling can gather the sample of different quality (artifical sampling is limited because the strength, only can gather shallowly, lighter sample), so the representativeness of this device collection sample is more comprehensive, subsequent test result's comprehensiveness and accuracy have been guaranteed greatly, coal trade fair and equitable has been improved to a great extent.

Thirdly, safety ring protects, and the workman no longer need walk and carry out the sampling on the train bus group or the sampling car, greatly reduced the potential safety hazard. And telescopic arm subassembly 2, scraper bowl subassembly 3, the special cooperation that connects hopper subassembly 4 for can be through connecing hopper subassembly 4 and the direct, quick completion sample collection of pipeline after the sampling, greatly reduced the raise dust, avoid environmental pollution, make the sample bag outside can not be stained with the buggy moreover, the follow-up transportation of being convenient for extremely, the development of system appearance chemical examination.

Fourthly, the adaptability is better. In the existing sampling operation workshop, various pipelines and facilities are arranged above some workshops, namely the space above the train carriage is narrow, so that people can not stand on the carriage conveniently for sampling or a large-scale truss vehicle is used for sampling above the carriage. And if using this device, just can make scraper bowl subassembly 3 stretch into the carriage and accomplish the sampling and return and unload through going up and down certain height, adaptability improves greatly. The device has simple and compact structure and small occupied space, can be quickly arranged on the existing mobile vehicle bodies such as pickup trucks and the like, has low equipment cost, and greatly reduces the operation cost of enterprises.

As shown in fig. 1 to 10, further, in the preferred embodiment, the telescopic arm assembly 2 includes a large arm 21 and a small arm 22, the large arm 21 is mounted on the lifting arm assembly 1, the small arm 22 is telescopically mounted on the large arm 21, the bucket assembly 3 is mounted on the small arm 22, a telescopic driving cylinder 23 is arranged on the large arm 21 along the telescopic direction, and a driving shaft end of the telescopic driving cylinder 23 is connected with the small arm 22 for driving the small arm 22 to telescope on the large arm 21. In this embodiment, the telescopic driving cylinder 23 is an oil cylinder, and is installed on the side surface of the large arm 21, and the small arm 22 is disposed in the large arm 21 in a limiting sleeve manner, so that the small arm 22 can be extended from the large arm 21 or retracted into the large arm 21 under the driving of the oil cylinder. And the receiving hopper assembly 4 is mounted on the large arm 21, i.e. the bucket assembly 3 on the small arm 22 before extension is just above the receiving hopper assembly 4, so when the bucket assembly 3 is retracted, it is just above the receiving hopper assembly 4 again to complete the discharge.

Of course, in other embodiments, the telescopic arm assembly 2 may have other configurations, for example in the form of a multi-link: the tail end of the multi-connecting rod is fixed on the lifting arm component 1, the bucket component 3 is installed at the head end of the multi-connecting rod, and the receiving hopper component 4 is installed at the tail end of the multi-connecting rod. And shall also fall within the scope of the present invention.

As shown in fig. 1 to 10, further, in the preferred embodiment, the bucket assembly 3 includes a bucket 31, a bucket driving cylinder 32, a connecting rod 33 and a rocker 34, the bucket 31 is hinged to the small arm 22, one end of the rocker 34 is hinged to the bucket 31, the other end of the rocker is hinged to the connecting rod 33, the other end of the connecting rod 33 is hinged to the small arm 22, the hinged portion of the rocker 34 to the bucket 31 is also hinged to the driving shaft end of the bucket driving cylinder 32, so that the bucket 31 is driven by the rocker 34 and the connecting rod 33 to perform digging and shoveling or discharging operations when the bucket driving cylinder 32 is driven to extend and retract. The structure is simple and compact, and has high structural strength and convenient and flexible operation. So that the bucket assembly 3 can perform the excavating and discharging work stably on the arm 22. It is contemplated that if bucket assembly 3 is complex and heavy, which would tend to affect the weight bearing and extension of boom 22, the sampling operation will not be addressed.

As shown in fig. 1 to 10, further, in the preferred embodiment, the small arm 22 is disposed inside the large arm 21 in a position-limiting manner, a moving slot 211 is formed on the large arm 21 along the extending direction, a protruding mounting seat 35 is disposed in the moving slot 211 on the small arm 22, and the tail end of the bucket driving cylinder 32 is mounted on the small arm 22 through the mounting seat 35. When the small arm 22 retracts, the small arm and the large arm 21 retract as much as possible, so that the space occupation of the device can be reduced as much as possible, and the rapid collecting operation can be realized, so that the receiving hopper assembly 4 can form a short-distance connection with a ground collecting device or a receiving sealing mechanism 6 which is described below without a long conveying pipeline, but a bucket driving cylinder 32 which moves telescopically along with the small arm 22 must be arranged on the small arm 22. In order to solve the technical problem, the invention is provided with a moving groove 211 on the large arm 21 along the extending direction, so that when the small arm 22 extends and contracts, the bucket driving cylinder 32 arranged on the small arm 22 is not limited by the large arm 21, and the bucket driving cylinder can flexibly move back and forth in the moving groove 211 of the large arm 21 through the mounting seat 35. The technical goal of extending the small arm 22 as far as possible and simultaneously overlapping the large arm 21 as much as possible when retracted is well solved.

As shown in fig. 1 to 10, further, in the preferred embodiment, the hopper receiving assembly 4 includes a hopper 41, a mounting plate 42 and a plurality of connecting members 43, a rear end 421 of the mounting plate 42 is used for being fixed to the telescopic arm assembly 2, a front end of the mounting plate 42 is provided with two extending mounting rod portions 422, the hopper 41 is suspended below the mounting rod portions 422 through the plurality of vertical connecting members 43, and a receiving space is formed between the two mounting rod portions 422 for discharging the retracted bucket assembly 3 in the receiving space above the hopper 41. The structure is simple and compact, and easy to manufacture and maintain, and simultaneously well solves the technical problem that the hopper 41 is matched with the bucket assembly 3 retracted from the upper part to receive materials.

Further, in the preferred embodiment, the coupling member 43 is a resilient member to flexibly suspend the hopper 41 from the mounting plate 42. In the present embodiment, the connecting member 43 is a plurality of extension springs. The special design is that firstly, the hopper 41 can have a certain sinking allowance when unloading, namely a certain buffer is formed for the hopper 41, materials cannot be hard hit on the hopper 41 and accumulated and blocked, and the unloading is smoother. Secondly, the hopper 41 is suspended on the mounting plate 42 through the extension spring, and the hopper 41 can always keep a vertical state to form a flexible vertical body, so that the sample can be better prevented from leaking during discharging.

As shown in fig. 1 to 10, further, in the preferred embodiment, the lifting arm assembly 1 includes a main arm 11 and a lifting driving cylinder 12, the telescopic arm assembly 2 is hinged to the main arm 11 through a rotating shaft 13, the tail end of the lifting driving cylinder 12 is mounted to the main arm 11, and the driving shaft end is hinged to the telescopic arm assembly 2 for lifting or lowering by telescopically driving the telescopic arm assembly 2 with the rotating shaft 13 as a fulcrum. Of course, in other embodiments, other lifting mechanisms may be provided, and are within the scope of the present invention.

Further, in the preferred embodiment, the bottom of the lift arm assembly 1 is mounted to the mobile cart by a swing mechanism 5, and the swing mechanism 5 is used to drive the lift arm assembly 1 to rotate so as to sample the bucket assembly 3 at different sampling points in the car. This makes when needs gather the different points, can not need to move the locomotive, only need drive lift arm subassembly 1 and rotate can make telescopic arm subassembly 2 move to different positions and sample. Simultaneously, before the sampling, lift arm subassembly 1 can rotate back and keep the same direction with the axletree of locomotive to for the locomotive occupation space is littleer when moving. The moving vehicle only needs to move to the edge of the carriage, then the lifting arm assembly 1 is driven to ascend, and the lifting arm assembly 1 is driven to rotate so that the telescopic arm assembly 2 can move to the carriage. More importantly, the hopper 41 is flexibly suspended on the mounting plate 42 through the extension spring, and because the connecting flexible hose is arranged between the hopper 41 and the ground collecting device or the material receiving sealing mechanism 6 which is described below, and the height of the working site is limited, the height of the lifting arm assembly 1 is limited, so that the angle between the connecting flexible hose and the horizontal plane is small, when a sample cannot smoothly slide down from the hose, the lifting arm assembly 1 can rotate by a certain angle to adjust the position of the telescopic arm assembly 2, and the angle between the hose and the horizontal plane meets the requirement of smoothly unloading the sample. In the rotation adjustment process, no matter what angle the telescopic arm component 2 forms with the horizontal plane, the hopper 41 suspended by the extension spring can be in a vertical state, and the sample can be conveniently and smoothly unloaded.

As shown in fig. 1, 2, 11 to 16, further, in a preferred embodiment, a material receiving sealing mechanism 6 is further provided, the material receiving sealing mechanism 6 includes a material receiving box 61 and a bag covering frame 62 which are matched, a top opening 611 of the material receiving box 61 is communicated with a discharge opening of the material receiving box assembly 4 through a communication pipe 63, the material receiving box 61 is provided with a side opening 612 for the bag covering frame 62 to enter and then be abutted with the top opening 611, the bag covering frame 62 is hollow so that a sample is arranged in the bag covering frame 62 and enters and exits the material receiving box 61 along with the bag covering frame 62, a sealing assembly 64 is arranged below the top opening 611 in the material receiving box 61 and is used for forming a sealed connection between the top opening 611 and the sample bag to receive the material after the bag covering frame 62 enters.

In this embodiment, the receiving box 61 is also mounted on the mobile vehicle, and before sampling, a sample bag (a is a sample bag shown in fig. 13) is mounted in the bag housing frame 62 and pushed into the receiving box 61 together with the bag housing frame 62, and the sealing assembly 64 in the receiving box 61 makes the top opening portion 611 and the sample bag form a sealed connection. At this time, sampling is performed such that the sample discharged from the hopper 41 passes through the communication pipe 63, the top opening portion 611, and the seal unit 64 in this order, and enters the sample bag in the bag housing frame 62. When the sample is collected, the bag frame 62 is pulled out, and the sample bag containing the sample is taken out for packaging. Then, a new sample bag is loaded into the bag-holding frame 62 again and pushed into the material-receiving box 61 along with the bag-holding frame 62 to receive the next material. Through this design for no longer need the manual work to hold the sample bag and connect the material, sample automatic acquisition, automatic filling, not only work efficiency is high, low in labor strength can not cause the raise dust in addition during the sample bagging-off, can not the polluted environment, and make the sample bag outside can not be stained with the buggy, the follow-up transportation of being convenient for extremely, the development of system appearance chemical examination.

As shown in fig. 11 to 16, further, in a preferred embodiment, the top of the bag frame 62 is provided with a rim 621 so that the top of the sample bag mounted in the bag frame 62 is folded outwards after extending from the rim 621 (as shown in the state of fig. 13), the sealing assembly 64 includes a sealing plate 641, the sealing plate 641 is fixed on the top plate of the material receiving box 61 by a plurality of elastic fixing members 642 in a manner of being capable of being pressed upwards and downwards, a ring of first sealing edge 6412 protruding upwards is provided at the central opening 6411 of the sealing plate 641 for forming a connection with the top opening 611 (the first sealing edge 6412 can be connected with the top opening 611 in a nesting manner as described below, or can be directly connected with the top opening 611 by a hose), when the bag frame 62 enters the material receiving box 61 and presses the sealing plate 641 upwards, the sealing plate 641 further presses the elastic fixing members 642 and presses downwards to form a sealing connection with the rim 621 under the resilience of the elastic fixing members 642, So that the sample transmitted from the communicating tube 63 enters the sample bag through the top opening portion 611 and the middle opening 6411 in sequence. This can not cause the raise dust when making the sample bagging-off, can not the polluted environment to make the sample bag outside can not be stained with the buggy, the development of follow-up transportation, system appearance chemical examination of being convenient for extremely.

As shown in fig. 11 to 16, further, in the preferred embodiment, each elastic fixing element 642 includes a limiting rod 6421 vertically fixed to the top plate of the material receiving box 61 downward, the lower end of the limiting rod 6421 passes through the sealing plate 641 to limit the position so that the sealing plate 641 can only move up and down along the limiting rod 6421, and the limiting rod 6421 is sleeved with a compression spring 6422 for compressing the sealing plate 641 moving upward.

As shown in fig. 11 to 16, in a preferred embodiment, the sealing plate 641 is further provided with more than two guide rods 6413 disposed upward, the top plate of the material receiving box 61 is further provided with more than two linear bearings 616 engaged with the guide rods 6413, and the guide rods 6413 pass through the top plate of the material receiving box 61 upward and are connected with the linear bearings 616 to limit the sealing plate 641 moving up and down. This has further guaranteed the spacing of closing plate 641 up-and-down motion, and the motion is very accurate, can not take place the displacement of left and right sides direction, and then has effectively guaranteed that closing plate 641 compresses tightly down and forms sealing connection on mouthful along portion 621.

As shown in fig. 11 to 16, further, in the preferred embodiment, a ring of connecting pipe portion 613 is disposed at the top opening portion 611 for connecting with the connecting pipe 63, a ring of sealing pipe portion 614 is nested outside the connecting pipe portion 613 to form a ring of inserting groove portion 615 between the connecting pipe portion 613 and the sealing pipe portion 614, the top end of the inserting groove portion 615 is sealed, and the bottom end is opened for enabling the first sealing edge 6412 to movably extend into the inserting groove portion 615. This structure forms a nested labyrinth structure design, so that the sealing plate 641 can move up and down, but is always nested with the connecting pipe 613 and the sealing pipe 614, the sealing performance is excellent, and the sample does not leak or spill.

As shown in fig. 11 to 16, further, in the preferred embodiment, the bottom of the bag frame 62 is provided with a plurality of movable wheels 622, which allows the bag frame 62, i.e., the sample bag, to be easily removed even if the sample bag is filled with a certain weight. The sealing plate 641 is provided at an end thereof near the side opening portion 612 with a guide edge 6414 inclined upward for guiding the bag frame 62 by coming into contact with the bag frame 62 first when the bag frame 62 is pushed in. This makes the insertion of the bag housing frame 62 easier without causing a jam with the sealing plate 641.

As shown in fig. 1, the present invention further provides an automatic sampling vehicle, which includes a movable vehicle body, for example, a pickup truck body design in the prior art, and the vehicle-mounted sampling device as described above is mounted on the vehicle body.

Further, in the preferred embodiment, the car body is also provided with an operation table and a control cabinet (shown as B in figure 1). The operation platform is arranged in the cockpit, and can directly operate and control the vehicle-mounted sampling device on the vehicle.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims

1. A vehicle-mounted sampling device for collecting materials in a carriage, characterized in that it comprises a lifting arm assembly (1) for being vertically installed on a moving vehicle, and the lifting arm assembly (1) is provided with a lifting arm assembly (1). A horizontally arranged telescopic arm assembly (2), the telescopic end of the telescopic arm assembly (2) is provided with a bucket assembly (3), and the telescopic arm assembly (2) is further provided with a hopper assembly (4), so The telescopic arm assembly (2) is used for extending the bucket assembly (3) into the carriage for sampling and then retracting, so that the retracted bucket assembly (3) is above the hopper assembly (4) for performing Unloading, the lifting arm assembly (1) is used to drive the telescopic arm assembly (2) to descend so that the extended bucket assembly (3) is placed at the sampling point for sampling, and drives the telescopic arm assembly (3) after sampling. 2) Raise to facilitate retraction of the bucket assembly (3) from the carriage to over the hopper assembly (4).

2. The vehicle-mounted sampling device according to claim 1, wherein the telescopic arm assembly (2) comprises a large arm (21) and a small arm (22), and the large arm (21) is mounted on the lifting arm On the assembly (1), the small arm (22) is telescopically limited and installed on the large arm (21), the bucket assembly (3) is installed on the small arm (22), and the large arm (21) ) is provided with a telescopic drive cylinder (23) along the telescopic direction, and the drive shaft end of the telescopic drive cylinder (23) is connected with the small arm (22) for driving the small arm (22) on the big arm (21) telescopic.

3 . The vehicle-mounted sampling device according to claim 2 , wherein the bucket assembly ( 3 ) comprises a bucket ( 31 ), a bucket driving cylinder ( 32 ), a connecting rod ( 33 ) and a rocker ( 3 . 34), the bucket (31) is hingedly mounted on the forearm (22), one end of the rocker (34) is hinged with the bucket (31), and the other end is hinged with the connecting rod (33). The other end of the connecting rod (33) is hingedly mounted on the forearm (22), and the hinged joint between the rocker (34) and the bucket (31) is also hinged with the drive shaft end of the bucket driving cylinder (32), When the bucket driving cylinder (32) is telescopically driven, the bucket (31) is driven by the rocker (34) and the connecting rod (33) to realize digging, shoveling or unloading operations.

4 . The vehicle-mounted sampling device according to claim 3 , wherein the small arm ( 22 ) is limitedly sleeved in the big arm ( 21 ), and the big arm ( 21 ) is provided with A moving groove (211), the arm (22) is provided with a protruding mounting seat (35) in the moving groove (211), and the rear end of the bucket driving cylinder (32) passes through the mounting seat (35). 35) Installed on the forearm (22).

5. The vehicle-mounted sampling device according to claim 1, wherein the hopper assembly (4) comprises a hopper (41), a mounting plate (42) and a plurality of connecting pieces (43), the mounting plate The tail end portion (421) of (42) is used to be fixed on the telescopic arm assembly (2), and the head end of the mounting plate (42) is provided with two protruding mounting rod portions (422). 41) A plurality of vertical connecting pieces (43) are suspended below the mounting rods (422), and an accommodation space is formed between the two mounting rods (422) for retracting the bucket assembly (3) The accommodating space above the hopper (41) is used for discharging.

6 . The vehicle-mounted sampling device according to claim 5 , wherein the connecting member ( 43 ) is an elastic member, so that the hopper ( 41 ) is flexibly suspended on the mounting plate ( 42 ). 7 .

7. The vehicle-mounted sampling device according to claim 1, wherein the lift arm assembly (1) comprises a main arm (11) and a lift drive cylinder (12), and the telescopic arm assembly (2) is rotated by rotating The shaft (13) is hingedly mounted on the main arm (11), the rear end of the lift drive cylinder (12) is mounted on the main arm (11), and the drive shaft end is hinged with the telescopic arm assembly (2) for passing through The telescopic drive telescopic arm assembly (2) is lifted or lowered with the rotating shaft (13) as a fulcrum.

8. The vehicle-mounted sampling device according to claim 1, characterized in that: the bottom of the lifting arm assembly (1) is mounted on the moving vehicle through a slewing mechanism (5), and the slewing mechanism (5) is used for driving The lift arm assembly (1) rotates to make the bucket assembly (3) take samples at different sampling points in the cabin.

9. The vehicle-mounted sampling device according to claim 1, characterized in that: a material receiving and sealing mechanism (6) is further provided, and the material receiving and sealing mechanism (6) comprises a matching material receiving box (61) and a sleeve A bag frame (62), the top opening (611) of the receiving box (61) communicates with the discharge port of the receiving hopper assembly (4) through a communication pipe (63), and the receiving box (61) is provided with a side surface The opening portion (612) allows the bagging frame (62) to enter and then butt with the top opening (611). The bagging frame (62) goes into and out of the receiving box (61) together, and a sealing assembly (64) is provided in the receiving box (61) below the top opening (611), which is used as the bagging frame (62) ) after entering, make the top opening (611) and the sample bag form a sealed connection and then join the material.

10. The vehicle-mounted sampling device according to claim 9, characterized in that: the top of the bagging frame (62) is provided with a brim (621), so that the bag installed in the bagging frame (62) is provided with a mouth edge (621). The top of the sample bag protrudes from the rim portion (621) and then is folded outwards, the sealing assembly (64) includes a sealing plate (641), and the sealing plate (641) can be moved up and down through a plurality of elastic fixing members (642). The sealing plate (641) is fixed on the top plate of the receiving box (61) in an extruding motion, and a first sealing edge (6412) protruding upward is provided at the middle opening (6411) of the sealing plate (641) for connecting with the top of the sealing plate (641). The opening portion (611) forms a connection, and when the bagging frame (62) enters the material receiving box (61) and presses the sealing plate (641) upwardly, the sealing plate (641) is pressed downward against the mouth rim (621). ), so that the sample transferred from the communication tube (63) enters the sample bag sequentially through the top opening (611) and the middle opening (6411).

11. The vehicle-mounted sampling device according to claim 10, wherein each of the elastic fixing members (642) comprises a limit rod that is vertically downwardly fixed on the top plate of the receiving box (61). (6421), the lower end of the limit rod (6421) passes through the sealing plate (641) and is limited, so that the sealing plate (641) can only move up and down along the limit rod (6421), and the limit rod ( 6421) is sleeved with a compression spring (6422) for pressing the sealing plate (641) moving upward.

12. The vehicle-mounted sampling device according to claim 11, characterized in that: the sealing plate (641) is further provided with two or more guide rods (6413) arranged upward, and the material receiving box (61) The top plate is also provided with two or more linear bearings (616) matched with the guide rods (6413), and the guide rods (6413) are connected to the linear bearings (616) after passing through the top plate of the material receiving box (61) upward, so as to It is used to limit the sealing plate (641) that moves up and down.

13 . The vehicle-mounted sampling device according to claim 10 , characterized in that: the top opening part ( 611 ) is provided with a ring pipe part ( 613 ) for connecting with the communication pipe ( 63 ), and the pipe part is 13 . (613) is also nested with a ring of sealing tube part (614) to form a ring of slot parts (615) between the nozzle part (613) and the sealing tube part (614), the slot part (615) The top end is sealed, and the bottom end is open for allowing the first sealing edge (6412) to movably extend into the slot portion (615).

14. The vehicle-mounted sampling device according to claim 10, characterized in that: the bottom of the bagging frame (62) is provided with a plurality of movable wheels (622), and the sealing plate (641) is close to the side opening (641). One end of 612) is provided with an upwardly inclined guide edge (6414) for firstly contacting the bagging frame (62) and forming a guide when the bagging frame (62) is pushed in.

15. An automated sampling vehicle, characterized in that it comprises a movable vehicle body on which the vehicle-mounted sampling device according to any one of claims 1 to 14 is mounted.

16 . The automated sampling vehicle according to claim 15 , wherein: an operation console and a control cabinet are further installed on the vehicle body. 17 .