CN207311617U - Dynamic power machine - Google Patents

Abstract

A kind of dynamic power machine, with rack, in rack and the engine that can be accessed via hole and the access lid that can move between the closed position and the open position, the rack has hole formed therein, in closed position, access lid covering hole, in open position, engine can be accessed via hole for maintenance or attended operation.In the second bracket and pluggable first bracket and the second bracket that bolt lock mechanism is covered including the first bracket in rack, access the pin for being maintained at closed position is covered that will access.Second bracket has hole formed therein to receive lock so that when being locked into, interlocking dowel pin and the second bracket.

Description

Dynamic power machine

Technical field

The present invention relates to dynamic power machine.More specifically, this disclosure relates to selectively allow for accessing for dynamic power machine The tailgate of enging cabin on the dynamic power machine.Dynamic power machine for disclosure purpose includes generation power to complete specific Business or any kind of machinery of various tasks.The dynamic power machine of one type is working truck.Working truck generally has Such as equipment of lift arm (although some working trucks can have other equipments) from traveling vehicle, it is described Equipment can be manipulated to perform work functions.A few examples are only lifted, working truck includes loading machine, excavator, uses Way carrier loader, tractor and trench digger.

Background technology

Many working trucks, loading machine, tractor, excavator etc., often there is tailgate or other access to cover, with Selection for providing to enging cabin accesses.Under the common operation of working truck, access lid and be closed.However, at certain In the case of a little, it is advantageous to can open and access lid to perform maintenance and/or the attended operation of working truck.For some works The access lid of one type of industry vehicle is tailgate.Tailgate can be opened and closed at mechanical rear portion, be pacified with allowing to access It is attached to the engine at the machinery rear portion and relevant component.

The background technical information described above that provide only substantially, and be not intended to assist in claimed master Inscribe scope.

The content of the invention

Present document relates to the relevant new feature of access lid or tailgate for dynamic power machine.

In one embodiment, a kind of dynamic power machine is disclosed, dynamic power machine has rack, in rack and can The engine accessed via hole and the access lid that can be moved between the closed position and the open position, rack, which has, is formed in it In hole, in closed position, access lid covering hole, in open position, engine can be accessed via hole for safeguarding Or attended operation.Bolt lock mechanism includes the first bracket in rack, access the second bracket for covering and can be inserted into the first bracket and In second bracket the pin for being maintained at closed position is covered that will access.Second bracket has the hole formed wherein to receive lock, So that when being locked into, interlocking dowel pin and the second bracket.

In another embodiment, disclose another dynamic power machine, dynamic power machine have rack, in rack simultaneously And can be via the engine that hole accesses and the access lid that can be moved between the closed position and the open position, rack, which has, to be formed Hole wherein, in closed position, accesses lid covering hole, in open position, engine can be accessed via hole for Maintenance or attended operation.In the present embodiment, including for that will access the articulation piece for being pivotally mounted to rack is covered.Articulation piece With the first hinge bracket in rack, the second hinge bracket on tailgate and the first hinge bracket of connection and the second hinge bracket Pin.Each in first hinge bracket and the second hinge bracket has the hole extended therethrough with so that is moved when accessing lid When moving to open position, hole is aligned to receive the pin by each hole, will access lid and is maintained at open position.

Present invention and summary are provided to reduced form introduction to further being retouched in embodiment below The selection for the concept stated.The content of the invention is not intended to the key feature or substantive characteristics of the claimed theme of identification, also not purport In the supplementary means as the scope for determining claimed theme.

Brief description of the drawings

Fig. 1 is the block diagram for the function system for illustrating typical dynamic power machine, can be favourable on typical dynamic power machine Put into practice the embodiment of the present invention in ground.

Fig. 2-3 is illustrated as the perspective view of the typical dynamic power machine of the form of glide steering loader type, can be in cunning Move on loader and put into practice the tailgate of disclosed embodiment.

Fig. 4-5 illustrates the lock of the tailgate of the type for being used in Fig. 2-3 illustrate according to an illustrative embodiment.

Fig. 6 illustrates the articulation piece of the tailgate of the type for being used in Fig. 2-3 illustrate according to an illustrative embodiment.

Embodiment

Concept disclosed herein is described and illustrated with reference to exemplary embodiment.However, these concepts its using it is upper not The details for the construction being restricted in illustrative embodiment and the arrangement of component, and can be put into practice in a manner of various other or It is performed.Term herein is used to describe purpose and should be not to be considered as limiting.Such as " comprising ", " comprising " and Project that " having " and as used in this article wording of its change mean to include then to list, its equivalent and additionally Project.

Present document relates to the engine of the access lid in the cabin on dynamic power machine and working truck, such as receiving dynamic power machine Or those cabins of other primary operational components.These access lid be preferably easily opened to allow to safeguard when necessary and Repair engine or other associated components.

As will be described later, these concepts may be implemented within various dynamic power machines.Embodiment may be implemented within thereon Typical dynamic power machine be schematically illustrated in Fig. 1, and an example of the dynamic power machine is illustrated in Fig. 2-3 simultaneously It is and as described below before any embodiment is disclosed.For the sake of clarity, only one dynamic power machine is illustrated and discusses to be allusion quotation The dynamic power machine of type.However, as described above, following embodiments may be implemented within any one in multiple dynamic power machines on, bag Include and the different types of dynamic power machine of typical dynamic power machine shown in Fig. 2-3.For the ease of discussing, dynamic power machine includes machine Frame, at least one operation element and power source, power source can provide power to complete task to operation element.One class The dynamic power machine of type is from traveling working truck.It is the one kind for including rack, operation element and power source from traveling working truck Dynamic power machine, power source can provide power to operation element.At least one operation element is to be used to move power under power The launching system of machinery.

Fig. 1 be a diagram that the block diagram of the fundamental system of dynamic power machine 100, and dynamic power machine 100 can be multiple and different classes Any one in the dynamic power machine of type, embodiments discussed below can be desirably encased in the dynamic power machine.The side of Fig. 1 Block diagram shows the relation between the various systems on dynamic power machine 100 and various components and system.As described above, usually and Speech, for the ease of discussing, dynamic power machine includes rack, power source and operation element.Dynamic power machine 100 has rack 110, moves Power source 120 and operation element 130.Because the dynamic power machine 100 shown in Fig. 1 is from traveling working truck, dynamic power machine 100 Also there is traction element 14 and operator station 150, traction element 140 itself is configured to move engine on a support surface The operation element of tool, operator station 150 provide the operating position for the operation element for being used to control dynamic power machine.Control system 160 Be configured to other system interactions, be at least partially in response to operator offer control signal and perform various works Make task.

Some working trucks have the operation element for being able to carry out dedicated task.For example, some working trucks have lifting The instrument of arm, such as scraper bowl is such as attached on lift arm by pin connection device.Operation element, i.e. lift arm can be grasped It is vertical to become execution task and position instrument.In some instances, instrument can be such as by rotating scraper bowl relative to lift arm To be positioned relative to operation element, so as to further position instrument.Under the normal operating of the working truck, scraper bowl be intended to by It is attached and is used in lower section.Combined by extracting tool/operation element and reset another instrument to replace original scraper bowl, should Working truck can be so as to receive other instruments.However, other working trucks be intended to be used together with many instruments and Tool interface with all tool interfaces 170 as shown in Figure 1.In general, tool interface 170 is rack 110 or operation element Bindiny mechanism between 130 and instrument, bindiny mechanism can only be tie point, for instrument is connected directly to rack 110 or operation element 130 or more complicated instrument, as described below.

On some dynamic power machines, tool interface 170 can include instrument carrier, and instrument carrier is to be movably attached to The physical arrangement of operation element.Instrument carrier has engagement features and lock-in feature with by some any receivings in multiple instruments Be fixed to operation element.One characteristic of the instrument carrier is that, once instrument is attached to instrument carrier, instrument is fixed to work Has carrier (i.e. irremovable relative to instrument), and when instrument carrier is moved relative to operation element, instrument is carried with instrument Tool moves together." instrument carrier " is not only pivotal connection as used herein, the term, is to be intended in particular for connect on the contrary Receive and the special purpose device fixed to various different instruments.Instrument carrier itself can mount to the work of such as lift arm or rack 110 Make element 130.Tool interface 170 can also include one or more power sources for working to the one or more on instrument Element provides power.Some dynamic power machines can have the multiple operation elements for including tool interface, and each operation element can Still not necessarily, there is instrument carrier used to receive tools.Some other dynamic power machines can have include multiple works Has the operation element of interface so that single operation element can simultaneously receive multiple instruments.These each tool interfaces can With, but not necessarily, there is instrument carrier.

Rack 110 includes the physical arrangement that can support various other components, and various other components are attached in rack 110 Or it is positioned in rack 110.Rack 110 can include any number of single component.Some dynamic power machines have rigid Rack.That is, can be moved without a part for rack relative to another part of rack.Other dynamic power machines have can be opposite In at least one portion that another part of rack moves.For example, excavator can have relative to lower bearing bracket partial turn Upper frame portion.Other working trucks have articulated frame so that a part of rack relative to another part pivot with Complete turning function.

Rack 110 supports power source 120, and power source 120 is configured to including the one of one or more traction elements 140 A or multiple operation elements 130 provide power, and, in some instances, attached instrument is provided via tool interface 170 The power used.Power can be directly supplied to operation element 130, traction element 140 and tool interface from power source 120 Any one in 170.Alternatively, power can be provided to control system 160 with power source 120, and control system 160 is selected again Power is provided to the element that power can be used to perform work functions to selecting property.Power source for dynamic power machine normally includes The power-conversion system of the engine of such as internal combustion engine and such as mechanical driving device or hydraulic system, power-conversion system is by structure Cause the output from engine being converted into the available power form of operation element.Other types of power source can be mounted in dynamic In power machinery, including power supply or the commonly known as power source combination of hybrid power source.

Fig. 1 shows to be indicated as the single operation element of operation element 130, but various dynamic power machines can have arbitrarily The operation element of quantity.Operation element is normally attached to the rack of dynamic power machine and can be relative to when performing task Machine frame movement.In addition, traction element 140 is the dedicated box of operation element, the work functions of wherein traction element 140 are about Dynamic power machine 100 is moved on a support surface.Although not always such case, because many dynamic power machines have except traction member The extra work element of part, so traction element 140 is illustrated to separate with operation element 130.Dynamic power machine can have any The traction element of quantity, some or all of traction elements can receive power with thrust power machinery 100 from power source 120.Lead Draw element and may, for example, be track assembly, the wheel for being attached to axis etc..Traction element can be installed to rack and cause traction element Limitation of movement is pivotally mounted to machine in the rotation (so that be diverted through phorogenesis and realize) around axis or, alternatively Frame relative to rack pivot traction element to realize with by turning to.

Dynamic power machine 100 includes operator station 150, and operator station 150 includes operating position, and operator can be from operative position Put the operation of control dynamic power machine.In some dynamic power machines, operator station 150 by encapsulating or partly encapsulate driver's cabin and Limit.Some dynamic power machines that disclosed embodiment can be put into practice can be without driver's cabin or the driver's cabin of the above-mentioned type.For example, Hand-held loading machine can not have driver's cabin or cockpit, but with the operating position as operator station, from operator station Suitably operate dynamic power machine.In general, except the dynamic power machine of working truck can have not necessarily similar to operating position Operator station and aforesaid operations person's compartment.Further, some dynamic power machines of the grade of dynamic power machine 100, no matter its whether With operator's compartment or operator position, it can remotely operate and (be operated from the operator station of long range positioning), The neighbouring dynamic power machine of substitution or the operator station on dynamic power machine or in addition have neighbouring dynamic power machine or in power Operator station mechanically.This can include following application, wherein can be associated from the instrument with being connected to dynamic power machine Operating position operates at least some operator control functions of dynamic power machine.Alternatively, for some dynamic power machines, can set Remote control (i.e. away from dynamic power machine and its any instrument being connected to), remote control can control dynamic power machine On at least some operator control functions.

Fig. 2-3 illustrates loading machine 200, and loading machine 200 is an example of the dynamic power machine of the type of Fig. 1 diagrams, under The embodiment that text discusses may be advantageously used with the dynamic power machine.Loading machine 200 is glide steering loader, and glide steering fills Carrier aircraft is the loading machine with traction element (in this case, having four-wheel), and traction element is installed to dress via stiff shaft The rack of carrier aircraft.Herein, phrase " stiff shaft " represents following true, i.e., glide steering loader 200 can not be rotated or Turn to any traction element turned to contribute to loading machine to complete.Alternatively, glide steering loader has drive system, drives Dynamic system independently drives one or more traction elements of every side of loading machine so that by providing different tractions to every side Signal, machinery are readily able to slide on a support surface.These change leading for the side that signal even can include driving loading machine Draw element to move up loading machine forwards, and drive the traction element of the opposite side of loading machine with the opposite direction Movable loader so that loading machine will be turned to around the radius occupied in region to center in loading machine itself.Term " sliding Steering " usually represents the loading machine of the glide steering device with the wheel as described above as traction element.However, should Notice that many carloaders also realize steering by sliding, and be technically glide steering loader, even if they do not take turns.For Easy to discuss, except as otherwise shown, term " slide and turn to " should not be understood to this context being restricted to using wheel Those loading machines as traction element.

Loading machine 200 is an example of general illustration and above-mentioned dynamic power machine 100 in Fig. 1.For this purpose, such as The feature of the lower loading machine 200 includes being approximately similar to those reference numerals used in Fig. 1.For example, loading machine 200 Rack 210 is described as having, as dynamic power machine 100 has rack 110.Glide steering loader 200 is retouched herein State as in order to understand that an environment provides reference, the implementation for being related to track assembly as described below can be put into practice in this context Example and the installation elements for track assembly to be installed to dynamic power machine.Loading machine 200 should not be considered especially being restricted to this The description for the feature that the loading machine 200 of described in the text may have, feature are not necessary for disclosed embodiment, and because And may or may not be included in the dynamic power machine except loading machine 200, embodiments disclosed below can advantageously be put into practice On dynamic power machine.Unless being specifically illustrated in, otherwise embodiments disclosed below may be implemented within various dynamic power machines, wherein Loading machine 200 is only one in those dynamic power machines.For example, some or all of concepts hereafter may be implemented within it is many other On the working truck of type, such as various other loading machines, excavator, trench digger and bull-dozer, only list seldom show Example.

Loading machine 200 includes the rack 210 of support dynamical system 220, and dynamical system 220 can generate or in other ways Power is provided for the various functions on operation dynamic power machine.Dynamical system 220 is shown as block diagram form, but positions In rack 210.Rack 210 also supports into the operation element of the form of lift arm assemblies 230, and lift arm assemblies 230 are by power System 220 drives and can perform various tasks.Since loading machine 200 is working truck, so rack 210 also supports Trailer system 240, trailer system 240 also by dynamical system 220 drive and can on a support surface thrust power machinery. Lift arm assemblies 230 support tool interface 270 again, and tool interface 270 includes instrument carrier 272, and instrument carrier 272 can receive Various instruments and various instruments are fixed to loading machine 200 for performing various tasks.Loading machine 200, which includes limiting, to be grasped The driver's cabin 250 at work person station 255, operator can operate various control devices 260 from operator station 255 to promote dynamic power machine Perform various working performances.Driver's cabin 250 can surround extend through mounting 254 axis pivot return, with as needed for Safeguard and repair and access dynamical system component.Dynamical system component, tailgate can also be accessed by opening tailgate 280 280 behind end be pivotally mounted to the rack 210 of dynamic power machine.Tailgate 280 optionally covers the hole in rack, The dynamical system component of such as engine can be accessed and repaired by hole.Following article will be discussed in, and tailgate 280 has Bolt lock mechanism 290, operator may have access to bolt lock mechanism 290 to open and close tailgate.When tailgate 280 is in open position (tailgate 280 is illustrated in closed position in figure 3), operator or maintenance man can be accessed by hole in rack component with For safeguarding and repairing.In some vehicles including loading machine 200, operator can access fuel by opening tailgate 280 Filling member.

Operator station 255 includes operator's seat 258 and multiple operation input devices, and operation input device includes control and grasps Vertical pole 260, operator can operate control control stick 260 to control various mechanical functions.Operator's input unit can include Button, switch, control stick, sliding block, pedal etc., the button, switch, control stick, sliding block, pedal etc. can be stand-alone devices, Such as hand operating lever or foot pedal, or in handle or display board, including programmable input device.Operator's input unit Actuating can generate the signal of the form of electric signal, hydraulic pressure signal and/or mechanical signal.Generated in response to operator's input unit Signal be provided to the various components on dynamic power machine for control dynamic power machine on various functions.Via engine These controlled functions of operator's input unit on tool 100 include control traction element 219, lift arm assemblies 230, Instrument carrier 272 and any instrument offer signal to the instrument that can be operatively attached to.

Loading machine can include the man-machine interface with display device, and display device is arranged in driver's cabin 250 to use The form that operator can sense, such as the sense of hearing and/or visually indicate, provide the relevant information of the operation with dynamic power machine and refer to Show.Audible indication can be into buzzer, bell etc. or the form via verbal message.Visually indicating can be into curve map, lamp, figure The form of mark, instrument, character etc..Display can be exclusively used in providing special instruction, such as warning lamp or instrument, or dynamically To provide programmable information, including programmable display device, various sizes and ability are such as monitored.Display device can be provided and examined Disconnected information, repair fault message, configured information and contribute to operator to operate dynamic power machine or be connected to the instrument of dynamic power machine Various other types information.The other information useful to operator can also be provided.Other dynamic power machines, such as hand-held Loading machine, can not have driver's cabin, cockpit or seat.It is most suitable for operating operator's input unit generally relative to operator Position limits the operator position on the loading machine.

It can include embodiments discussed below and/or the various dynamic power machines with embodiments discussed below interaction There can be a variety of framing components for supporting various operation elements.The element of rack 210 described herein is provided For illustrative purpose, and rack 210 is not only that the class of rack used in the dynamic power machine of embodiment can be put into practice Type.The chassis or lower part 211 of the rack 210 of loading machine 200 including rack and by underframe support rack mainframe or on Part 212.In certain embodiments, the mainframe 212 of loading machine 200 is such as with fastener or by by welding of underframe to host Frame and be attached to chassis 211.Alternatively, mainframe and chassis may be integrally formed.Mainframe 212 includes a pair of of vertical portion 214A and 214B, a pair of of vertical portion 214A and 214B is positioned at either side and navigates to the rear portion of mainframe, and supports Lift arm assemblies 230 and pivotly attachment lift arm assemblies 230.Lift arm assemblies 230 illustratively pin connection to each Vertical portion 214A and 214B.For the ease of discussing, mounting characteristic and lift arm assemblies on vertical portion 214A and 214B 230 are commonly referred to as connector with the combination for installing hardware (including for pin by lift arm assemblies pin connection to mainframe 212) 216A and 216B (connector is positioned on one in vertical portion 214).Connector 216A and 216B is right along axis 218 It is accurate so that lift arm assemblies can be pivoted relative to rack 210 around axis 218, as described below.Other dynamic power machines can be with Do not include vertical portion in the either side of rack, or can there is no lift arm assemblies, lift arm assemblies can either side install to Vertical portion and the rear portion for being installed to rack.For example, some dynamic power machines can have installation to the side of dynamic power machine or The front end of dynamic power machine or the single arm of rearward end.Other machineries can have multiple operation elements, including multiple liftings Arm, each operation element are installed to machinery with the construction of their own.Rack 210 is also supported into wheel in the either side of loading machine 200 A pair of of traction element of the form of 219A-D.

Lift arm assemblies 230 shown in Fig. 2-3 are many different types of examples of lift arm assemblies, lift arm group Part can be attached to such as dynamic power machine of loading machine 200 or can put into practice other dynamic power machines of the embodiments herein.Lifting Arm component 230 is so-called radial lift arms, represents that lift arm assemblies 230 can be under the control of loading machine 200 relative to machine Frame 210 moves (that is, lift arm assemblies can be raised and reduced) along the lifting path 237 for forming approximately radial path.It is other Lift arm assemblies can have different geometry and the rack of loading machine can be connected in various manners, to provide Different from the lifting path of the radial path of lift arm assemblies 230.For example, some lifting paths on other loading machines provide and erect Straight or nearly vertical lifting path.Other lift arm assemblies can have part that is extendible or shrinking.Others are dynamic Power machinery can have the multiple lift arm assemblies for being attached to its rack, wherein each lift arm assemblies are carried independent of other Rise arm component.Unless otherwise specifically providing, inventive concept described herein is all not only restricted to be connected to specific dynamic The type or quantity of the lift arm assemblies of power machinery.

Lift arm assemblies 230 have a pair of of the lift arm 234 for being arranged on 210 opposite side of rack.When in drop as shown in Figure 2 When at lower position, the first end 232A of each lift arm 234 is pivotally coupled to dynamic power machine at connector 216, and The second end 232B of each lift arm is positioned at the front of rack 210.Connector 216 is positioned to the rear portion of loading machine 200 so that carrying Rise arm extending sideways along rack 210.As lift arm assemblies 230 move between minimum constructive height and maximum height, lifting Path 237 is limited by the travel path of the second end 232B of lift arm 234.

Each lift arm 234 is connected to each other via crossbeam 239, crossbeam 239 lift arm the second end 232A and 232B is nearby attached to each lift arm 234.Crossbeam 239 provides increased structural stability to lift arm assemblies 230.Loading A pair of of actuator 238 on machine 200 is hydraulic cylinder, and hydraulic cylinder is configured to receive pressure fluid from dynamical system 220, is filling The either side of carrier aircraft 200 is respectively pivotally coupled to rack 210 and lift arm at pivotable connector 238A and 238B 234.Actuator 238 is sometimes by respectively and commonly referred to as lift cylinder.The actuating (that is, extend and retract) of actuator 238 causes Lift arm assemblies 230 pivot around connector 216 and so as to raise and reduce along lifting path 237.Some lift arms, especially The lift arm that can also be on loading machine on ground excavator, can have can control so as to be pivoted relative to another section Part, rather than lift arm assemblies 230 as shown in Fig. 2 setly mobile (being moved along predefined paths).One A little dynamic power machines have the lift arm assemblies for including single lift arm, some loading machines and other power such as in excavator or even It is known in machinery.Other dynamic power machines can have multiple lift arm assemblies, and each lift arm assemblies are independent of it His lift arm assemblies.

Tool interface 270 is configured to the second end 232B close to lift arm assemblies 234.Tool interface 270 includes work Has carrier 272, instrument carrier 272 can receive a variety of instruments and a variety of instruments are fixed to lift arm 230.The instrument has the complementary mechanical interface for being configured to engagement instrument carrier 272.Instrument carrier 272 is pivotally mounted At the second end 232B of arm 234.Instrument carrier actuator 235 is operably connected lift arm assemblies 230 and instrument carrier 272, and can operate with relative to lift arm assemblies turning tool carrier.Instrument carrier actuator 235 is illustratively liquid Cylinder pressure and it is often referred to as hydraulic tilt cylinder.

By enabling instrument carrier to be attached to multiple and different instruments, can be relatively easy to achieve from an instrument to The change of another instrument.For example, the machinery with instrument carrier can set cause between instrument carrier and lift arm assemblies Dynamic device so that remove or fastening means does not include from instrument removal or connection actuator or removes or connect work from lift arm assemblies Tool.Instrument carrier 272 provides mounting structure for instrument is easily connected to lift arm (or other portions of dynamic power machine Point), the lift arm assemblies of no instrument carrier do not have the lift arm.

Such as it can make instrument by pin connection to the lift arm with tilt actuators, some dynamic power machines or be similar to The device of instrument is attached to instrument, and tilt actuators are also attached directly to the structure of instrument or tool types.Rotationally sell The Usual examples for being connected to the instrument of lift arm are scraper bowls, wherein one or more hydraulic tilt cylinders are attached to bracket, such as It is directly fixed to by welding or fastener, bracket on scraper bowl.The dynamic power machine does not have instrument carrier, on the contrary in lift arm Have between instrument and be directly connected to.

The description of above-mentioned dynamic power machine 100 and loading machine 200 for explanatory purposes, is discussed below with providing to put into practice Embodiment Illustrative environment.Although the embodiment discussed may be implemented within dynamic such as by what is shown in the block diagram of Fig. 1 Put into practice on the dynamic power machine that power machinery 100 substantially describes and more specifically and such as on the loading machine of track loaders 200, removing Non- to be otherwise noted, otherwise following concepts are not intended to is limited to above-mentioned specific environment in its application aspect.

Bolt lock mechanism 290 is illustrated in more detail in Fig. 4-5.Bolt lock mechanism 290 includes respectively being attached to rack 210 and tail A pair of of bracket 294 and 298 of plate 280.When in closed position, as illustrated in figures 4-5, bracket 294 and 298 is aligned so that pin 292 may be inserted into bracket 294 and 298 so that tailgate 280 is maintained at closed position.Pin 292 is that " L " shape pin to work as quilt During insertion, part pin is placed above bracket 298.In one embodiment, bracket 294, which has, vertically extends through support The hole of frame 294.As shown in figure 4, bracket 294 is attached to rack 210 to allow the angle material components of vertically elongated hole.Support Frame 298, which includes pin 292, can extend into a pair of of alignment hole 297 therein.

To open tailgate 280, operator only needs to remove pin 292, and tailgate can surround hinge (following institute State) to open tailgate.Bracket 298 further includes hole 296, and the lock of such as padlock 295 is inserted into 296.When padlock 295 in place When, padlock 295 engages bracket 298 and pin 292 so that cannot open tailgate 280 in the case where not removing pin 292 first.

Fig. 6 illustrates the articulation piece that tailgate 280 can be attached pivotally to rack according to an illustrative embodiment 282.Although Fig. 6 only shows an articulation piece, but it is to be understood that, any number of articulation piece can be used for pivotly solid The access lid of fixed such as tailgate 280.In loading machine 200, two articulation pieces are used.Articulation piece 282 includes respectively being fixed to A pair of of hinge bracket 284 and 286 of rack 210 and tailgate 280.Hinge bracket is via the pin for extending through each hinge bracket 283 are pivotally secured to each other.Bracket 284 and 286 has hole formed therein, and hole allows when being suitably aligned, pin Tailgate 280 is maintained at open position in 292 or another pin insertion holes.When attempting to perform maintenance operation, this is that especially have .In certain embodiments, it is all as shown in fig. 6, articulation piece 282 is not that can be maintained at tailgate at open or close position Bias articulation piece.Pin 292 be inserted into bracket 284 and 286 in thus favourable affirmative stop is provided.

Although the present invention has been described with reference to preferred embodiment, those skilled in the art will recognize that can be The change of form and details is carried out in the case of without departing from the scope of the invention.

Claims (4)

1. a kind of dynamic power machine, including：

Rack, the rack have hole formed therein；

Engine, the engine are installed in rack and can be accessed via hole；

Lid is accessed, the access lid can move between the closed position and the open position, in closed position, access lid covering Hole, in open position, engine can be accessed via hole for maintenance or maintenance operation；With

Bolt lock mechanism, including：

The first bracket in rack；

In the second bracket that access covers；With

Pin, the pin are inserted into the first bracket and the second bracket being maintained at closed position will access lid；

Wherein, the second bracket has hole formed therein to receive lock so that when being locked into, interlocking dowel pin and the second support Frame.

2. dynamic power machine according to claim 1, and further include：

Articulation piece, the articulation piece are used to access lid being pivotally mounted to rack, and the articulation piece includes：

The first hinge bracket in rack；

The second hinge bracket on tailgate；With

Pin, connects the first hinge bracket and the second hinge bracket.

3. dynamic power machine according to claim 2, wherein：

Each in first hinge bracket and the second hinge bracket has the hole extended therethrough with so that is moved when accessing lid When moving to open position, hole is aligned to receive the pin by each hole, will access lid and is maintained at open position.

4. a kind of dynamic power machine, including：

Rack, the rack have hole formed therein；

Engine, the engine are installed in rack and can be accessed via hole；

Lid is accessed, the access lid can move between the closed position and the open position, in closed position, access lid covering Hole, in open position, engine can be accessed via hole for maintenance or maintenance operation；With

Articulation piece, the articulation piece are used to access lid being pivotally mounted to rack, and the articulation piece includes：

The first hinge bracket in rack；

The second hinge bracket on tailgate；With

Pin, connects the first hinge bracket and the second hinge bracket, wherein each in the first hinge bracket and the second hinge bracket All there is the hole extended therethrough with so that when access lid is moved into open position, hole is aligned to receive by each The pin in hole, will access lid and is maintained at open position.