CN204758323U

CN204758323U - Go into ascending device of coal sampler of factory drill bit automatic protection

Info

Publication number: CN204758323U
Application number: CN201520349496.3U
Authority: CN
Inventors: 刘森
Original assignee: Datang Anyang Power Plant
Current assignee: Datang Anyang Power Plant
Priority date: 2015-05-27
Filing date: 2015-05-27
Publication date: 2015-11-11
Anticipated expiration: 2025-05-27

Abstract

The utility model discloses a go into ascending device of coal sampler of factory drill bit automatic protection belongs to coal sampler equipment technical field. The device includes that two longmen of sampler both sides erect the frame, and longmen is erected a frame lower extreme and is passed through the rail wheel setting on the guide rail, two longmen of both sides erect the frame and go up to connect to be provided with and hang oneself from a beam, the both ends of hanging oneself from a beam pass through direction activity setting about the guide pillar, be connected with the crossbeam on the portal frame of the top of hanging oneself from a beam erects the frame, be provided with pressure spring at the crossbeam between the upper surface with hanging oneself from a beam, the rotatory connection with elevating gear of sampling head lateral shifting device and sampling head sets up on hanging oneself from a beam, fixes being provided with mechanical trigger switch under the crossbeam above hanging oneself from a beam, mechanical trigger switch is connected to sampler control system. This device is used and can guarantee the success rate of taking a sample on coal sampler, reduces the emergence of sample turkey.

Description

Coal as received sampler drill bit protects riser automatically

Technical field

The utility model relates to a kind of sampler protective device, and particularly a kind of coal as received sampler drill bit protects riser automatically, belongs to coal sampler equipment technical field.

Background technology

The cost of fuel-burning power plant is a greater part of comes from fire coal, so the quality control of fire coal and efficiency utilization are one of important channels of thermal power generation energy efficiency.Current each thermal power plant all has strict coal-fired supplied materials sampling and checkout equipment and inspection management system accordingly, next process is entered to control defective fire coal from source, in coal-fired quality control, coal-fired sampling is an important link, how to sample science, stop human factor and carry out a large amount of research work, the coal as received transport of thermal power plant adopts automobile or train mostly, the full-automatic sampler that can realize full-automatic grab sample has been developed at present for coordinating therewith, this sampler is mostly gantry structure at present, track crop rotation is had to be longitudinal motion mechanism below gantry structure, the crossbeam of gantry structure configures transverse moving mechanism and reciprocating mechanism, reciprocating mechanism common are screw and fluid pressure type formula, reciprocating mechanism connects sampling head, sampling head have common are drilling pipe formula with drop-bottom, whole system adopts PLC automatically to control, in three-dimensional moving mechanism, there is counting assembly, only need to click mouse, the three-dimensional motion mechanism of sampler will complete sampling automatically according to the point of Operation system setting, this sampler achieves the science of sampling to a great extent, objectivity, avoid artificial interference, but in supplied materials, often have the rock class material that hardness is higher, or the position of sampling is just in time positioned at the reinforcement of vehicle tank, side board or other more firmly locate, at this moment when bit contact is to these article, drill bit cannot decline, but this situation of control system None-identified, make reciprocating mechanism still to the downward acting force of drill bit, at this moment drill bit can head on hard object whole portal frame is risen, serious meeting causes the derailing of sampler entirety and other security incident, such as make haulage vehicle impaired, injure personnel etc., also bit damage can be caused, there is person skilled to develop drill bit at present and encountered side board, the intelligent apparatus that the metal objects such as reinforcement rise automatically, as Chinese Patent Application No. 201410330362.7, a kind of have the automobile coal Sampling Machine of evading compartment lacing wire function and disclose a kind of technical scheme, the program adopts circuit theory, sampling head encounters side board, a circuit is triggered during the metallic conduction class article such as reinforcement, trigger circuit provide the signal that protection drill bit rises, this technical scheme overcomes to a certain extent and solves this problem, but when drill bit encounters nonmetal harder object, this technical scheme can not realize effective operation, in China's thermal power generation coal sampler, need a kind of reliable sampler drill bit comprehensively automatically to protect riser.

Summary of the invention

The purpose of this utility model is to overcome the defect in above existing coal Sampling Machine, provides a kind of coal as received sampler drill bit automatically to protect riser.

For realizing the purpose of this utility model, the technical scheme that the utility model adopts is: coal as received sampler drill bit protects riser automatically, comprise two gantry vertical frames of sampler both sides, vertical frame lower end, gantry is arranged on guide rail by rail wheel, two gantry vertical frames of described both sides are connected with overarm, described overarm two ends are arranged by the activity of guide pillar above-below direction, portal frame vertical frame above overarm is connected with crossbeam, holddown spring is provided with between crossbeam and overarm upper surface, sampling head horizontal mobile device and sampling head rotate to be connected with jacking gear and are arranged in overarm, mechanical trigger switch is fixedly installed under crossbeam above overarm, mechanical trigger switch is connected to sampler control system, during normal sampling, the descending reacting force upwards of overarm of giving of sampling head makes its length compress within the specific limits, when sampling head gets harder objuct body by drilling, the descending limited meeting of sampling head makes overarm Compress Spring move up to the larger reacting force upwards of overarm, overarm moves up and touches mechanical trigger switch, the signal that control system receives mechanical trigger switch controls to exchange sampling point for after drill bit rises automatically, further, overarm below is provided with overarm lower caging device, described guide pillar above-below direction is connected to the crossbeam of portal frame and hangs oneself from a beam on lower caging device, holddown spring is located on guide pillar, further, described overarm lower caging device is a position limiting structure part, the side of this position limiting structure part is fixedly connected in vertical frame, guide pillar lower end is connected on position limiting structure part, further, be connected to above crossbeam by nut above described guide pillar, anti-biasing spring is provided with between described nut and beam surface upper, further, mechanical trigger switch, holddown spring, anti-biasing spring is symmetrical arranged two respectively along portal frame center line.

The positive beneficial effect that the utility model has is: in the utility model no matter bit contact to object be metal or nonmetal, only be greater than corresponding hardness, capital causes overarm to be risen, overarm is risen all can Crush trigger trigger switch, control system is made to obtain signal timely, automatic adjustment sampling spot, on both sides, all mechanical trigger switch is set, the triggering of arbitrary mechanical trigger switch all can send signal, sampling head upwards system None-identified of causing of bias voltage overarm side when side can be prevented, realize system response without blind spot, guide pillar upper and lower side is located by nut, can also adjust the snap-in force of holddown spring, elasticity coefficient due to spring is certain, when stressed, its decrement can be calculated, so can calculate during the position of mechanical trigger switch, certainly also its accurate trigger position can be obtained by test completely.The utility model structure is simple, is easy to realize, and is applied on coal sampler and can ensures to sample success ratio, reduce the generation of sampling turkey and accident.

Accompanying drawing explanation

Fig. 1 is this novel schematic diagram.

Embodiment

In order to explain enforcement of the present utility model more fully, provide embodiment of the present utility model.These embodiments are only to elaboration of the present utility model, do not limit scope of the present utility model.

Direction in the utility model is defined as: guide rail wheel forward-reverse direction is for longitudinal, and crossbeam length direction is laterally, and left and right is to define during Graph-Oriented 1.

The utility model is described in more detail by reference to the accompanying drawings, is respectively labeled as in accompanying drawing: 1: left rail is taken turns, 2: left gantry vertical frame, 3: crossbeam, 4: left mechanical trigger switch, 5: left guide pillar top nut, 6: left anti-biasing spring, 7: left holddown spring, 8: left limit structural member, 9: left guide pillar, 10: left guide pillar lower nut, 11: overarm, 12: sampling head horizontal mobile device, 13: sampling head rotates and jacking gear, 14: sampling head, 15: right mechanical trigger switch, as shown in drawings, coal as received sampler drill bit protects riser automatically, sampler is gantry structure, comprise two gantry vertical frames of sampler both sides, 2 are depicted as left gantry vertical frame, vertical frame 2 lower end, left gantry is arranged on guide rail by left rail wheel 1, guide rail is set to longitudinal direction, two gantry vertical frames of both sides are connected with overarm 11, hang oneself from a beam 11 two ends by guide pillar above-below direction activity setting, overarm lower caging device is provided with below overarm 11, guide pillar above-below direction is connected to the crossbeam of portal frame and hangs oneself from a beam on lower caging device, overarm lower caging device is a position limiting structure part, 8 are depicted as left limit structural member, the side of this position limiting structure part is fixedly connected in vertical frame, left guide pillar 9 lower end is connected on left limit structural member 8, left holddown spring 7 is located on left guide pillar 9, left guide pillar lower end is spacing by left guide pillar lower nut 10 above-below direction, right guide pillar and left guide pillar are symmetrical arranged about portal frame center line, right guide pillar does not mark in the drawings, gantry vertical frame above overarm 11 is connected with crossbeam, holddown spring is provided with between crossbeam 3 and overarm 11 upper surfaces, 7 are depicted as left holddown spring, sampling head horizontal mobile device and sampling head rotate to be connected with jacking gear and are arranged in overarm 11, crossbeam above overarm 11 is fixedly installed mechanical trigger switch 3 times, 4 be depicted as left side arrange left mechanical trigger switch, 15 are depicted as by mechanical trigger switch, mechanical trigger switch is connected to sampler control system, more optimize, be connected to above crossbeam by nut above guide pillar, in figure, spacing above crossbeam 3 by left guide pillar top nut 5 above left guide pillar 9, left anti-biasing spring 6 is provided with between left guide pillar top nut 5 and crossbeam 3 upper surface, shown mechanical trigger switch, holddown spring, anti-biasing spring is symmetrical arranged two respectively along portal frame center line, merely illustrate right mechanical trigger switch in the drawings, other right side parts do not illustrate in the drawings, it is symmetrical about portal frame center line that gantry structure overarm of the present utility model comprises overarm with upper part, the left side has the structure right side and all has, in order to, make not produce mechanical stuck phenomenon between overarm and guide pillar, the diameter in the guide pillar hole that overarm is offered can be made to be greater than the diameter certain value of guide pillar own, in the case in order to make overarm not offset on lateral attitude, can overarm two end faces and two gantry vertical frames of both sides between arrange two horizontal directions to retainer spring, when there is skew in the horizontal when hanging oneself from a beam, retainer spring is had an effect and overarm is automatically reset.During normal sampling, the descending reacting force upwards of overarm of giving of sampling head makes its length compress within the specific limits, when sampling head gets harder objuct body by drilling, the descending limited meeting of sampling head makes overarm Compress Spring move up to the larger reacting force upwards of overarm, overarm moves up and touches mechanical trigger switch, the signal that control system receives mechanical trigger switch controls to exchange sampling point for after drill bit rises automatically, and control system can adopt PLC to control.In the utility model no matter bit contact to object be the metal of conduction or nonconducting nonmetal, only be greater than corresponding hardness, capital causes overarm to be risen, overarm is risen all can Crush trigger trigger switch, control system is made to obtain signal timely, automatic adjustment sampling spot, on both sides, all mechanical trigger switch is set, the triggering of arbitrary mechanical trigger switch all can send signal, sampling head upwards system None-identified of causing of bias voltage when side can be prevented, realize system response without blind spot, guide pillar upper and lower side is located by nut, can also adjust the snap-in force of holddown spring, elasticity coefficient due to spring is certain, when stressed, its decrement can be calculated, the upper limit that overarm occurs to top offset is exactly that whole gantry structure is pushed up the amount of spring compression being from guide rail, so can calculate during the position of mechanical trigger switch, certainly also its accurate trigger position can be obtained by test completely.The utility model structure is simple, is easy to realize, and is applied on coal sampler and can ensures to sample success ratio, reduce the generation of sampling turkey and accident.

After detailed description embodiment of the present utility model, the personage being familiar with this technology can be well understood to, do not departing under above-mentioned claim and spirit and can carry out various change and amendment, all above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all belong to the scope of technical solutions of the utility model, and the utility model is not also limited to the embodiment of example in instructions.

Claims

1. coal as received sampler drill bit protects riser automatically, comprise two gantry vertical frames of sampler both sides, vertical frame lower end, gantry is arranged on guide rail by rail wheel, it is characterized in that: two gantry vertical frames of described both sides are connected with overarm, described overarm two ends are arranged by the activity of guide pillar above-below direction, gantry vertical frame above overarm is connected with crossbeam, holddown spring is provided with between crossbeam and overarm upper surface, sampling head horizontal mobile device and sampling head rotate to be connected with jacking gear and are arranged in overarm, mechanical trigger switch is fixedly installed under crossbeam above overarm, mechanical trigger switch is connected to sampler control system, during normal sampling, the descending reacting force upwards of overarm of giving of sampling head makes its length compress within the specific limits, when sampling head gets harder objuct body by drilling, the descending limited meeting of sampling head makes overarm Compress Spring move up to the larger reacting force upwards of overarm, overarm moves up and touches mechanical trigger switch, the signal that control system receives mechanical trigger switch controls to exchange sampling point for after drill bit rises automatically.

2. coal as received sampler drill bit according to claim 1 protects riser automatically; it is characterized in that: overarm below is provided with overarm lower caging device; described guide pillar above-below direction is fixedly connected on the crossbeam of portal frame and hangs oneself from a beam on lower caging device, and holddown spring is located on guide pillar.

3. coal as received sampler drill bit according to claim 2 protects riser automatically; it is characterized in that: described overarm lower caging device is a position limiting structure part; the side of this position limiting structure part is fixedly connected in vertical frame, and guide pillar lower end is connected on position limiting structure part.

4. coal as received sampler drill bit according to claim 2 protects riser automatically, it is characterized in that: be connected to above crossbeam by nut above described guide pillar, is provided with anti-biasing spring between described nut and beam surface upper.

5. the coal as received sampler drill bit according to the arbitrary claim of Claims 1-4 protects riser automatically, it is characterized in that: mechanical trigger switch, holddown spring, anti-biasing spring are symmetrical arranged two respectively along portal frame center line.